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- /* bnx2x_main.c: Broadcom Everest network driver.
- *
- * Copyright (c) 2007-2008 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation.
- *
- * Maintained by: Eilon Greenstein <eilong@broadcom.com>
- * Written by: Eliezer Tamir
- * Based on code from Michael Chan's bnx2 driver
- * UDP CSUM errata workaround by Arik Gendelman
- * Slowpath rework by Vladislav Zolotarov
- * Statistics and Link management by Yitchak Gertner
- *
- */
- #include <linux/module.h>
- #include <linux/moduleparam.h>
- #include <linux/kernel.h>
- #include <linux/device.h> /* for dev_info() */
- #include <linux/timer.h>
- #include <linux/errno.h>
- #include <linux/ioport.h>
- #include <linux/slab.h>
- #include <linux/vmalloc.h>
- #include <linux/interrupt.h>
- #include <linux/pci.h>
- #include <linux/init.h>
- #include <linux/netdevice.h>
- #include <linux/etherdevice.h>
- #include <linux/skbuff.h>
- #include <linux/dma-mapping.h>
- #include <linux/bitops.h>
- #include <linux/irq.h>
- #include <linux/delay.h>
- #include <asm/byteorder.h>
- #include <linux/time.h>
- #include <linux/ethtool.h>
- #include <linux/mii.h>
- #ifdef NETIF_F_HW_VLAN_TX
- #include <linux/if_vlan.h>
- #endif
- #include <net/ip.h>
- #include <net/tcp.h>
- #include <net/checksum.h>
- #include <net/ip6_checksum.h>
- #include <linux/workqueue.h>
- #include <linux/crc32.h>
- #include <linux/crc32c.h>
- #include <linux/prefetch.h>
- #include <linux/zlib.h>
- #include <linux/io.h>
- #include "bnx2x_reg.h"
- #include "bnx2x_fw_defs.h"
- #include "bnx2x_hsi.h"
- #include "bnx2x_link.h"
- #include "bnx2x.h"
- #include "bnx2x_init.h"
- #define DRV_MODULE_VERSION "1.45.23"
- #define DRV_MODULE_RELDATE "2008/11/03"
- #define BNX2X_BC_VER 0x040200
- /* Time in jiffies before concluding the transmitter is hung */
- #define TX_TIMEOUT (5*HZ)
- static char version[] __devinitdata =
- "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
- DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
- MODULE_AUTHOR("Eliezer Tamir");
- MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
- MODULE_LICENSE("GPL");
- MODULE_VERSION(DRV_MODULE_VERSION);
- static int disable_tpa;
- static int use_inta;
- static int poll;
- static int debug;
- static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
- static int use_multi;
- module_param(disable_tpa, int, 0);
- module_param(use_inta, int, 0);
- module_param(poll, int, 0);
- module_param(debug, int, 0);
- MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
- MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
- MODULE_PARM_DESC(poll, "use polling (for debug)");
- MODULE_PARM_DESC(debug, "default debug msglevel");
- #ifdef BNX2X_MULTI
- module_param(use_multi, int, 0);
- MODULE_PARM_DESC(use_multi, "use per-CPU queues");
- #endif
- enum bnx2x_board_type {
- BCM57710 = 0,
- BCM57711 = 1,
- BCM57711E = 2,
- };
- /* indexed by board_type, above */
- static struct {
- char *name;
- } board_info[] __devinitdata = {
- { "Broadcom NetXtreme II BCM57710 XGb" },
- { "Broadcom NetXtreme II BCM57711 XGb" },
- { "Broadcom NetXtreme II BCM57711E XGb" }
- };
- static const struct pci_device_id bnx2x_pci_tbl[] = {
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
- { 0 }
- };
- MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
- /****************************************************************************
- * General service functions
- ****************************************************************************/
- /* used only at init
- * locking is done by mcp
- */
- static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
- {
- pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
- pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
- pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
- PCICFG_VENDOR_ID_OFFSET);
- }
- static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
- {
- u32 val;
- pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
- pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
- pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
- PCICFG_VENDOR_ID_OFFSET);
- return val;
- }
- static const u32 dmae_reg_go_c[] = {
- DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
- DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
- DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
- DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
- };
- /* copy command into DMAE command memory and set DMAE command go */
- static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
- int idx)
- {
- u32 cmd_offset;
- int i;
- cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
- for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
- REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
- DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
- idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
- }
- REG_WR(bp, dmae_reg_go_c[idx], 1);
- }
- void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
- u32 len32)
- {
- struct dmae_command *dmae = &bp->init_dmae;
- u32 *wb_comp = bnx2x_sp(bp, wb_comp);
- int cnt = 200;
- if (!bp->dmae_ready) {
- u32 *data = bnx2x_sp(bp, wb_data[0]);
- DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
- " using indirect\n", dst_addr, len32);
- bnx2x_init_ind_wr(bp, dst_addr, data, len32);
- return;
- }
- mutex_lock(&bp->dmae_mutex);
- memset(dmae, 0, sizeof(struct dmae_command));
- dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
- DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
- DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
- #ifdef __BIG_ENDIAN
- DMAE_CMD_ENDIANITY_B_DW_SWAP |
- #else
- DMAE_CMD_ENDIANITY_DW_SWAP |
- #endif
- (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
- (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
- dmae->src_addr_lo = U64_LO(dma_addr);
- dmae->src_addr_hi = U64_HI(dma_addr);
- dmae->dst_addr_lo = dst_addr >> 2;
- dmae->dst_addr_hi = 0;
- dmae->len = len32;
- dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
- dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
- dmae->comp_val = DMAE_COMP_VAL;
- DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
- DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
- "dst_addr [%x:%08x (%08x)]\n"
- DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
- dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
- dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
- dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
- DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
- bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
- bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
- *wb_comp = 0;
- bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
- udelay(5);
- while (*wb_comp != DMAE_COMP_VAL) {
- DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
- if (!cnt) {
- BNX2X_ERR("dmae timeout!\n");
- break;
- }
- cnt--;
- /* adjust delay for emulation/FPGA */
- if (CHIP_REV_IS_SLOW(bp))
- msleep(100);
- else
- udelay(5);
- }
- mutex_unlock(&bp->dmae_mutex);
- }
- void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
- {
- struct dmae_command *dmae = &bp->init_dmae;
- u32 *wb_comp = bnx2x_sp(bp, wb_comp);
- int cnt = 200;
- if (!bp->dmae_ready) {
- u32 *data = bnx2x_sp(bp, wb_data[0]);
- int i;
- DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
- " using indirect\n", src_addr, len32);
- for (i = 0; i < len32; i++)
- data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
- return;
- }
- mutex_lock(&bp->dmae_mutex);
- memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
- memset(dmae, 0, sizeof(struct dmae_command));
- dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
- DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
- DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
- #ifdef __BIG_ENDIAN
- DMAE_CMD_ENDIANITY_B_DW_SWAP |
- #else
- DMAE_CMD_ENDIANITY_DW_SWAP |
- #endif
- (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
- (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
- dmae->src_addr_lo = src_addr >> 2;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
- dmae->len = len32;
- dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
- dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
- dmae->comp_val = DMAE_COMP_VAL;
- DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
- DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
- "dst_addr [%x:%08x (%08x)]\n"
- DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
- dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
- dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
- dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
- *wb_comp = 0;
- bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
- udelay(5);
- while (*wb_comp != DMAE_COMP_VAL) {
- if (!cnt) {
- BNX2X_ERR("dmae timeout!\n");
- break;
- }
- cnt--;
- /* adjust delay for emulation/FPGA */
- if (CHIP_REV_IS_SLOW(bp))
- msleep(100);
- else
- udelay(5);
- }
- DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
- bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
- bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
- mutex_unlock(&bp->dmae_mutex);
- }
- /* used only for slowpath so not inlined */
- static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
- {
- u32 wb_write[2];
- wb_write[0] = val_hi;
- wb_write[1] = val_lo;
- REG_WR_DMAE(bp, reg, wb_write, 2);
- }
- #ifdef USE_WB_RD
- static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
- {
- u32 wb_data[2];
- REG_RD_DMAE(bp, reg, wb_data, 2);
- return HILO_U64(wb_data[0], wb_data[1]);
- }
- #endif
- static int bnx2x_mc_assert(struct bnx2x *bp)
- {
- char last_idx;
- int i, rc = 0;
- u32 row0, row1, row2, row3;
- /* XSTORM */
- last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
- XSTORM_ASSERT_LIST_INDEX_OFFSET);
- if (last_idx)
- BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
- /* print the asserts */
- for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
- row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
- XSTORM_ASSERT_LIST_OFFSET(i));
- row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
- XSTORM_ASSERT_LIST_OFFSET(i) + 4);
- row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
- XSTORM_ASSERT_LIST_OFFSET(i) + 8);
- row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
- XSTORM_ASSERT_LIST_OFFSET(i) + 12);
- if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
- BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
- " 0x%08x 0x%08x 0x%08x\n",
- i, row3, row2, row1, row0);
- rc++;
- } else {
- break;
- }
- }
- /* TSTORM */
- last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
- TSTORM_ASSERT_LIST_INDEX_OFFSET);
- if (last_idx)
- BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
- /* print the asserts */
- for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
- row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
- TSTORM_ASSERT_LIST_OFFSET(i));
- row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
- TSTORM_ASSERT_LIST_OFFSET(i) + 4);
- row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
- TSTORM_ASSERT_LIST_OFFSET(i) + 8);
- row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
- TSTORM_ASSERT_LIST_OFFSET(i) + 12);
- if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
- BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
- " 0x%08x 0x%08x 0x%08x\n",
- i, row3, row2, row1, row0);
- rc++;
- } else {
- break;
- }
- }
- /* CSTORM */
- last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
- CSTORM_ASSERT_LIST_INDEX_OFFSET);
- if (last_idx)
- BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
- /* print the asserts */
- for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
- row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
- CSTORM_ASSERT_LIST_OFFSET(i));
- row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
- CSTORM_ASSERT_LIST_OFFSET(i) + 4);
- row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
- CSTORM_ASSERT_LIST_OFFSET(i) + 8);
- row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
- CSTORM_ASSERT_LIST_OFFSET(i) + 12);
- if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
- BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
- " 0x%08x 0x%08x 0x%08x\n",
- i, row3, row2, row1, row0);
- rc++;
- } else {
- break;
- }
- }
- /* USTORM */
- last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
- USTORM_ASSERT_LIST_INDEX_OFFSET);
- if (last_idx)
- BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
- /* print the asserts */
- for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
- row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
- USTORM_ASSERT_LIST_OFFSET(i));
- row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
- USTORM_ASSERT_LIST_OFFSET(i) + 4);
- row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
- USTORM_ASSERT_LIST_OFFSET(i) + 8);
- row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
- USTORM_ASSERT_LIST_OFFSET(i) + 12);
- if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
- BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
- " 0x%08x 0x%08x 0x%08x\n",
- i, row3, row2, row1, row0);
- rc++;
- } else {
- break;
- }
- }
- return rc;
- }
- static void bnx2x_fw_dump(struct bnx2x *bp)
- {
- u32 mark, offset;
- u32 data[9];
- int word;
- mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
- mark = ((mark + 0x3) & ~0x3);
- printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
- for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
- for (word = 0; word < 8; word++)
- data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
- offset + 4*word));
- data[8] = 0x0;
- printk(KERN_CONT "%s", (char *)data);
- }
- for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
- for (word = 0; word < 8; word++)
- data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
- offset + 4*word));
- data[8] = 0x0;
- printk(KERN_CONT "%s", (char *)data);
- }
- printk("\n" KERN_ERR PFX "end of fw dump\n");
- }
- static void bnx2x_panic_dump(struct bnx2x *bp)
- {
- int i;
- u16 j, start, end;
- bp->stats_state = STATS_STATE_DISABLED;
- DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
- BNX2X_ERR("begin crash dump -----------------\n");
- for_each_queue(bp, i) {
- struct bnx2x_fastpath *fp = &bp->fp[i];
- struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
- BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
- " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
- i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
- fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
- BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
- " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
- " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
- fp->rx_bd_prod, fp->rx_bd_cons,
- le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
- fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
- BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
- " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
- " *sb_u_idx(%x) bd data(%x,%x)\n",
- fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
- fp->status_blk->c_status_block.status_block_index,
- fp->fp_u_idx,
- fp->status_blk->u_status_block.status_block_index,
- hw_prods->packets_prod, hw_prods->bds_prod);
- start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
- end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
- for (j = start; j < end; j++) {
- struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
- BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
- sw_bd->skb, sw_bd->first_bd);
- }
- start = TX_BD(fp->tx_bd_cons - 10);
- end = TX_BD(fp->tx_bd_cons + 254);
- for (j = start; j < end; j++) {
- u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
- BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
- j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
- }
- start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
- end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
- for (j = start; j < end; j++) {
- u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
- struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
- BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
- j, rx_bd[1], rx_bd[0], sw_bd->skb);
- }
- start = RX_SGE(fp->rx_sge_prod);
- end = RX_SGE(fp->last_max_sge);
- for (j = start; j < end; j++) {
- u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
- struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
- BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
- j, rx_sge[1], rx_sge[0], sw_page->page);
- }
- start = RCQ_BD(fp->rx_comp_cons - 10);
- end = RCQ_BD(fp->rx_comp_cons + 503);
- for (j = start; j < end; j++) {
- u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
- BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
- j, cqe[0], cqe[1], cqe[2], cqe[3]);
- }
- }
- BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
- " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
- " spq_prod_idx(%u)\n",
- bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
- bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
- bnx2x_fw_dump(bp);
- bnx2x_mc_assert(bp);
- BNX2X_ERR("end crash dump -----------------\n");
- }
- static void bnx2x_int_enable(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
- u32 val = REG_RD(bp, addr);
- int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
- if (msix) {
- val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
- val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
- HC_CONFIG_0_REG_ATTN_BIT_EN_0);
- } else {
- val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
- HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
- HC_CONFIG_0_REG_INT_LINE_EN_0 |
- HC_CONFIG_0_REG_ATTN_BIT_EN_0);
- DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
- val, port, addr, msix);
- REG_WR(bp, addr, val);
- val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
- }
- DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
- val, port, addr, msix);
- REG_WR(bp, addr, val);
- if (CHIP_IS_E1H(bp)) {
- /* init leading/trailing edge */
- if (IS_E1HMF(bp)) {
- val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
- if (bp->port.pmf)
- /* enable nig attention */
- val |= 0x0100;
- } else
- val = 0xffff;
- REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
- REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
- }
- }
- static void bnx2x_int_disable(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
- u32 val = REG_RD(bp, addr);
- val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
- HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
- HC_CONFIG_0_REG_INT_LINE_EN_0 |
- HC_CONFIG_0_REG_ATTN_BIT_EN_0);
- DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
- val, port, addr);
- REG_WR(bp, addr, val);
- if (REG_RD(bp, addr) != val)
- BNX2X_ERR("BUG! proper val not read from IGU!\n");
- }
- static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
- {
- int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
- int i;
- /* disable interrupt handling */
- atomic_inc(&bp->intr_sem);
- if (disable_hw)
- /* prevent the HW from sending interrupts */
- bnx2x_int_disable(bp);
- /* make sure all ISRs are done */
- if (msix) {
- for_each_queue(bp, i)
- synchronize_irq(bp->msix_table[i].vector);
- /* one more for the Slow Path IRQ */
- synchronize_irq(bp->msix_table[i].vector);
- } else
- synchronize_irq(bp->pdev->irq);
- /* make sure sp_task is not running */
- cancel_work_sync(&bp->sp_task);
- }
- /* fast path */
- /*
- * General service functions
- */
- static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
- u8 storm, u16 index, u8 op, u8 update)
- {
- u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
- COMMAND_REG_INT_ACK);
- struct igu_ack_register igu_ack;
- igu_ack.status_block_index = index;
- igu_ack.sb_id_and_flags =
- ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
- (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
- (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
- (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
- DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
- (*(u32 *)&igu_ack), hc_addr);
- REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
- }
- static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
- {
- struct host_status_block *fpsb = fp->status_blk;
- u16 rc = 0;
- barrier(); /* status block is written to by the chip */
- if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
- fp->fp_c_idx = fpsb->c_status_block.status_block_index;
- rc |= 1;
- }
- if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
- fp->fp_u_idx = fpsb->u_status_block.status_block_index;
- rc |= 2;
- }
- return rc;
- }
- static u16 bnx2x_ack_int(struct bnx2x *bp)
- {
- u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
- COMMAND_REG_SIMD_MASK);
- u32 result = REG_RD(bp, hc_addr);
- DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
- result, hc_addr);
- return result;
- }
- /*
- * fast path service functions
- */
- /* free skb in the packet ring at pos idx
- * return idx of last bd freed
- */
- static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
- u16 idx)
- {
- struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
- struct eth_tx_bd *tx_bd;
- struct sk_buff *skb = tx_buf->skb;
- u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
- int nbd;
- DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
- idx, tx_buf, skb);
- /* unmap first bd */
- DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
- tx_bd = &fp->tx_desc_ring[bd_idx];
- pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
- BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
- nbd = le16_to_cpu(tx_bd->nbd) - 1;
- new_cons = nbd + tx_buf->first_bd;
- #ifdef BNX2X_STOP_ON_ERROR
- if (nbd > (MAX_SKB_FRAGS + 2)) {
- BNX2X_ERR("BAD nbd!\n");
- bnx2x_panic();
- }
- #endif
- /* Skip a parse bd and the TSO split header bd
- since they have no mapping */
- if (nbd)
- bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
- if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
- ETH_TX_BD_FLAGS_TCP_CSUM |
- ETH_TX_BD_FLAGS_SW_LSO)) {
- if (--nbd)
- bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
- tx_bd = &fp->tx_desc_ring[bd_idx];
- /* is this a TSO split header bd? */
- if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
- if (--nbd)
- bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
- }
- }
- /* now free frags */
- while (nbd > 0) {
- DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
- tx_bd = &fp->tx_desc_ring[bd_idx];
- pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
- BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
- if (--nbd)
- bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
- }
- /* release skb */
- WARN_ON(!skb);
- dev_kfree_skb(skb);
- tx_buf->first_bd = 0;
- tx_buf->skb = NULL;
- return new_cons;
- }
- static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
- {
- s16 used;
- u16 prod;
- u16 cons;
- barrier(); /* Tell compiler that prod and cons can change */
- prod = fp->tx_bd_prod;
- cons = fp->tx_bd_cons;
- /* NUM_TX_RINGS = number of "next-page" entries
- It will be used as a threshold */
- used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
- #ifdef BNX2X_STOP_ON_ERROR
- WARN_ON(used < 0);
- WARN_ON(used > fp->bp->tx_ring_size);
- WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
- #endif
- return (s16)(fp->bp->tx_ring_size) - used;
- }
- static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
- {
- struct bnx2x *bp = fp->bp;
- u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
- int done = 0;
- #ifdef BNX2X_STOP_ON_ERROR
- if (unlikely(bp->panic))
- return;
- #endif
- hw_cons = le16_to_cpu(*fp->tx_cons_sb);
- sw_cons = fp->tx_pkt_cons;
- while (sw_cons != hw_cons) {
- u16 pkt_cons;
- pkt_cons = TX_BD(sw_cons);
- /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
- DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
- hw_cons, sw_cons, pkt_cons);
- /* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
- rmb();
- prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
- }
- */
- bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
- sw_cons++;
- done++;
- if (done == work)
- break;
- }
- fp->tx_pkt_cons = sw_cons;
- fp->tx_bd_cons = bd_cons;
- /* Need to make the tx_cons update visible to start_xmit()
- * before checking for netif_queue_stopped(). Without the
- * memory barrier, there is a small possibility that start_xmit()
- * will miss it and cause the queue to be stopped forever.
- */
- smp_mb();
- /* TBD need a thresh? */
- if (unlikely(netif_queue_stopped(bp->dev))) {
- netif_tx_lock(bp->dev);
- if (netif_queue_stopped(bp->dev) &&
- (bp->state == BNX2X_STATE_OPEN) &&
- (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
- netif_wake_queue(bp->dev);
- netif_tx_unlock(bp->dev);
- }
- }
- static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
- union eth_rx_cqe *rr_cqe)
- {
- struct bnx2x *bp = fp->bp;
- int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
- int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
- DP(BNX2X_MSG_SP,
- "fp %d cid %d got ramrod #%d state is %x type is %d\n",
- FP_IDX(fp), cid, command, bp->state,
- rr_cqe->ramrod_cqe.ramrod_type);
- bp->spq_left++;
- if (FP_IDX(fp)) {
- switch (command | fp->state) {
- case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
- BNX2X_FP_STATE_OPENING):
- DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
- cid);
- fp->state = BNX2X_FP_STATE_OPEN;
- break;
- case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
- DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
- cid);
- fp->state = BNX2X_FP_STATE_HALTED;
- break;
- default:
- BNX2X_ERR("unexpected MC reply (%d) "
- "fp->state is %x\n", command, fp->state);
- break;
- }
- mb(); /* force bnx2x_wait_ramrod() to see the change */
- return;
- }
- switch (command | bp->state) {
- case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
- DP(NETIF_MSG_IFUP, "got setup ramrod\n");
- bp->state = BNX2X_STATE_OPEN;
- break;
- case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
- DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
- bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
- fp->state = BNX2X_FP_STATE_HALTED;
- break;
- case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
- DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
- bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
- break;
- case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
- case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
- DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
- bp->set_mac_pending = 0;
- break;
- case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
- DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
- break;
- default:
- BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
- command, bp->state);
- break;
- }
- mb(); /* force bnx2x_wait_ramrod() to see the change */
- }
- static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
- struct bnx2x_fastpath *fp, u16 index)
- {
- struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
- struct page *page = sw_buf->page;
- struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
- /* Skip "next page" elements */
- if (!page)
- return;
- pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
- BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
- __free_pages(page, PAGES_PER_SGE_SHIFT);
- sw_buf->page = NULL;
- sge->addr_hi = 0;
- sge->addr_lo = 0;
- }
- static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
- struct bnx2x_fastpath *fp, int last)
- {
- int i;
- for (i = 0; i < last; i++)
- bnx2x_free_rx_sge(bp, fp, i);
- }
- static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
- struct bnx2x_fastpath *fp, u16 index)
- {
- struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
- struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
- struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
- dma_addr_t mapping;
- if (unlikely(page == NULL))
- return -ENOMEM;
- mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
- PCI_DMA_FROMDEVICE);
- if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
- __free_pages(page, PAGES_PER_SGE_SHIFT);
- return -ENOMEM;
- }
- sw_buf->page = page;
- pci_unmap_addr_set(sw_buf, mapping, mapping);
- sge->addr_hi = cpu_to_le32(U64_HI(mapping));
- sge->addr_lo = cpu_to_le32(U64_LO(mapping));
- return 0;
- }
- static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
- struct bnx2x_fastpath *fp, u16 index)
- {
- struct sk_buff *skb;
- struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
- struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
- dma_addr_t mapping;
- skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
- if (unlikely(skb == NULL))
- return -ENOMEM;
- mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
- PCI_DMA_FROMDEVICE);
- if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
- dev_kfree_skb(skb);
- return -ENOMEM;
- }
- rx_buf->skb = skb;
- pci_unmap_addr_set(rx_buf, mapping, mapping);
- rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
- rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
- return 0;
- }
- /* note that we are not allocating a new skb,
- * we are just moving one from cons to prod
- * we are not creating a new mapping,
- * so there is no need to check for dma_mapping_error().
- */
- static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
- struct sk_buff *skb, u16 cons, u16 prod)
- {
- struct bnx2x *bp = fp->bp;
- struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
- struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
- struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
- struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
- pci_dma_sync_single_for_device(bp->pdev,
- pci_unmap_addr(cons_rx_buf, mapping),
- bp->rx_offset + RX_COPY_THRESH,
- PCI_DMA_FROMDEVICE);
- prod_rx_buf->skb = cons_rx_buf->skb;
- pci_unmap_addr_set(prod_rx_buf, mapping,
- pci_unmap_addr(cons_rx_buf, mapping));
- *prod_bd = *cons_bd;
- }
- static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
- u16 idx)
- {
- u16 last_max = fp->last_max_sge;
- if (SUB_S16(idx, last_max) > 0)
- fp->last_max_sge = idx;
- }
- static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
- {
- int i, j;
- for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
- int idx = RX_SGE_CNT * i - 1;
- for (j = 0; j < 2; j++) {
- SGE_MASK_CLEAR_BIT(fp, idx);
- idx--;
- }
- }
- }
- static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
- struct eth_fast_path_rx_cqe *fp_cqe)
- {
- struct bnx2x *bp = fp->bp;
- u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
- le16_to_cpu(fp_cqe->len_on_bd)) >>
- BCM_PAGE_SHIFT;
- u16 last_max, last_elem, first_elem;
- u16 delta = 0;
- u16 i;
- if (!sge_len)
- return;
- /* First mark all used pages */
- for (i = 0; i < sge_len; i++)
- SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
- DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
- sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
- /* Here we assume that the last SGE index is the biggest */
- prefetch((void *)(fp->sge_mask));
- bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
- last_max = RX_SGE(fp->last_max_sge);
- last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
- first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
- /* If ring is not full */
- if (last_elem + 1 != first_elem)
- last_elem++;
- /* Now update the prod */
- for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
- if (likely(fp->sge_mask[i]))
- break;
- fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
- delta += RX_SGE_MASK_ELEM_SZ;
- }
- if (delta > 0) {
- fp->rx_sge_prod += delta;
- /* clear page-end entries */
- bnx2x_clear_sge_mask_next_elems(fp);
- }
- DP(NETIF_MSG_RX_STATUS,
- "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
- fp->last_max_sge, fp->rx_sge_prod);
- }
- static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
- {
- /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
- memset(fp->sge_mask, 0xff,
- (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
- /* Clear the two last indices in the page to 1:
- these are the indices that correspond to the "next" element,
- hence will never be indicated and should be removed from
- the calculations. */
- bnx2x_clear_sge_mask_next_elems(fp);
- }
- static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
- struct sk_buff *skb, u16 cons, u16 prod)
- {
- struct bnx2x *bp = fp->bp;
- struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
- struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
- struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
- dma_addr_t mapping;
- /* move empty skb from pool to prod and map it */
- prod_rx_buf->skb = fp->tpa_pool[queue].skb;
- mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
- bp->rx_buf_size, PCI_DMA_FROMDEVICE);
- pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
- /* move partial skb from cons to pool (don't unmap yet) */
- fp->tpa_pool[queue] = *cons_rx_buf;
- /* mark bin state as start - print error if current state != stop */
- if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
- BNX2X_ERR("start of bin not in stop [%d]\n", queue);
- fp->tpa_state[queue] = BNX2X_TPA_START;
- /* point prod_bd to new skb */
- prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
- prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
- #ifdef BNX2X_STOP_ON_ERROR
- fp->tpa_queue_used |= (1 << queue);
- #ifdef __powerpc64__
- DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
- #else
- DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
- #endif
- fp->tpa_queue_used);
- #endif
- }
- static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
- struct sk_buff *skb,
- struct eth_fast_path_rx_cqe *fp_cqe,
- u16 cqe_idx)
- {
- struct sw_rx_page *rx_pg, old_rx_pg;
- struct page *sge;
- u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
- u32 i, frag_len, frag_size, pages;
- int err;
- int j;
- frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
- pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
- /* This is needed in order to enable forwarding support */
- if (frag_size)
- skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
- max(frag_size, (u32)len_on_bd));
- #ifdef BNX2X_STOP_ON_ERROR
- if (pages > 8*PAGES_PER_SGE) {
- BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
- pages, cqe_idx);
- BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
- fp_cqe->pkt_len, len_on_bd);
- bnx2x_panic();
- return -EINVAL;
- }
- #endif
- /* Run through the SGL and compose the fragmented skb */
- for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
- u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
- /* FW gives the indices of the SGE as if the ring is an array
- (meaning that "next" element will consume 2 indices) */
- frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
- rx_pg = &fp->rx_page_ring[sge_idx];
- sge = rx_pg->page;
- old_rx_pg = *rx_pg;
- /* If we fail to allocate a substitute page, we simply stop
- where we are and drop the whole packet */
- err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
- if (unlikely(err)) {
- bp->eth_stats.rx_skb_alloc_failed++;
- return err;
- }
- /* Unmap the page as we r going to pass it to the stack */
- pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
- BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
- /* Add one frag and update the appropriate fields in the skb */
- skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
- skb->data_len += frag_len;
- skb->truesize += frag_len;
- skb->len += frag_len;
- frag_size -= frag_len;
- }
- return 0;
- }
- static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
- u16 queue, int pad, int len, union eth_rx_cqe *cqe,
- u16 cqe_idx)
- {
- struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
- struct sk_buff *skb = rx_buf->skb;
- /* alloc new skb */
- struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
- /* Unmap skb in the pool anyway, as we are going to change
- pool entry status to BNX2X_TPA_STOP even if new skb allocation
- fails. */
- pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
- bp->rx_buf_size, PCI_DMA_FROMDEVICE);
- if (likely(new_skb)) {
- /* fix ip xsum and give it to the stack */
- /* (no need to map the new skb) */
- prefetch(skb);
- prefetch(((char *)(skb)) + 128);
- #ifdef BNX2X_STOP_ON_ERROR
- if (pad + len > bp->rx_buf_size) {
- BNX2X_ERR("skb_put is about to fail... "
- "pad %d len %d rx_buf_size %d\n",
- pad, len, bp->rx_buf_size);
- bnx2x_panic();
- return;
- }
- #endif
- skb_reserve(skb, pad);
- skb_put(skb, len);
- skb->protocol = eth_type_trans(skb, bp->dev);
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- {
- struct iphdr *iph;
- iph = (struct iphdr *)skb->data;
- iph->check = 0;
- iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
- }
- if (!bnx2x_fill_frag_skb(bp, fp, skb,
- &cqe->fast_path_cqe, cqe_idx)) {
- #ifdef BCM_VLAN
- if ((bp->vlgrp != NULL) &&
- (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
- PARSING_FLAGS_VLAN))
- vlan_hwaccel_receive_skb(skb, bp->vlgrp,
- le16_to_cpu(cqe->fast_path_cqe.
- vlan_tag));
- else
- #endif
- netif_receive_skb(skb);
- } else {
- DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
- " - dropping packet!\n");
- dev_kfree_skb(skb);
- }
- /* put new skb in bin */
- fp->tpa_pool[queue].skb = new_skb;
- } else {
- /* else drop the packet and keep the buffer in the bin */
- DP(NETIF_MSG_RX_STATUS,
- "Failed to allocate new skb - dropping packet!\n");
- bp->eth_stats.rx_skb_alloc_failed++;
- }
- fp->tpa_state[queue] = BNX2X_TPA_STOP;
- }
- static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
- struct bnx2x_fastpath *fp,
- u16 bd_prod, u16 rx_comp_prod,
- u16 rx_sge_prod)
- {
- struct tstorm_eth_rx_producers rx_prods = {0};
- int i;
- /* Update producers */
- rx_prods.bd_prod = bd_prod;
- rx_prods.cqe_prod = rx_comp_prod;
- rx_prods.sge_prod = rx_sge_prod;
- for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
- REG_WR(bp, BAR_TSTRORM_INTMEM +
- TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
- ((u32 *)&rx_prods)[i]);
- DP(NETIF_MSG_RX_STATUS,
- "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
- bd_prod, rx_comp_prod, rx_sge_prod);
- }
- static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
- {
- struct bnx2x *bp = fp->bp;
- u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
- u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
- int rx_pkt = 0;
- #ifdef BNX2X_STOP_ON_ERROR
- if (unlikely(bp->panic))
- return 0;
- #endif
- /* CQ "next element" is of the size of the regular element,
- that's why it's ok here */
- hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
- if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
- hw_comp_cons++;
- bd_cons = fp->rx_bd_cons;
- bd_prod = fp->rx_bd_prod;
- bd_prod_fw = bd_prod;
- sw_comp_cons = fp->rx_comp_cons;
- sw_comp_prod = fp->rx_comp_prod;
- /* Memory barrier necessary as speculative reads of the rx
- * buffer can be ahead of the index in the status block
- */
- rmb();
- DP(NETIF_MSG_RX_STATUS,
- "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
- FP_IDX(fp), hw_comp_cons, sw_comp_cons);
- while (sw_comp_cons != hw_comp_cons) {
- struct sw_rx_bd *rx_buf = NULL;
- struct sk_buff *skb;
- union eth_rx_cqe *cqe;
- u8 cqe_fp_flags;
- u16 len, pad;
- comp_ring_cons = RCQ_BD(sw_comp_cons);
- bd_prod = RX_BD(bd_prod);
- bd_cons = RX_BD(bd_cons);
- cqe = &fp->rx_comp_ring[comp_ring_cons];
- cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
- DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
- " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
- cqe_fp_flags, cqe->fast_path_cqe.status_flags,
- cqe->fast_path_cqe.rss_hash_result,
- le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
- le16_to_cpu(cqe->fast_path_cqe.pkt_len));
- /* is this a slowpath msg? */
- if (unlikely(CQE_TYPE(cqe_fp_flags))) {
- bnx2x_sp_event(fp, cqe);
- goto next_cqe;
- /* this is an rx packet */
- } else {
- rx_buf = &fp->rx_buf_ring[bd_cons];
- skb = rx_buf->skb;
- len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
- pad = cqe->fast_path_cqe.placement_offset;
- /* If CQE is marked both TPA_START and TPA_END
- it is a non-TPA CQE */
- if ((!fp->disable_tpa) &&
- (TPA_TYPE(cqe_fp_flags) !=
- (TPA_TYPE_START | TPA_TYPE_END))) {
- u16 queue = cqe->fast_path_cqe.queue_index;
- if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
- DP(NETIF_MSG_RX_STATUS,
- "calling tpa_start on queue %d\n",
- queue);
- bnx2x_tpa_start(fp, queue, skb,
- bd_cons, bd_prod);
- goto next_rx;
- }
- if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
- DP(NETIF_MSG_RX_STATUS,
- "calling tpa_stop on queue %d\n",
- queue);
- if (!BNX2X_RX_SUM_FIX(cqe))
- BNX2X_ERR("STOP on none TCP "
- "data\n");
- /* This is a size of the linear data
- on this skb */
- len = le16_to_cpu(cqe->fast_path_cqe.
- len_on_bd);
- bnx2x_tpa_stop(bp, fp, queue, pad,
- len, cqe, comp_ring_cons);
- #ifdef BNX2X_STOP_ON_ERROR
- if (bp->panic)
- return -EINVAL;
- #endif
- bnx2x_update_sge_prod(fp,
- &cqe->fast_path_cqe);
- goto next_cqe;
- }
- }
- pci_dma_sync_single_for_device(bp->pdev,
- pci_unmap_addr(rx_buf, mapping),
- pad + RX_COPY_THRESH,
- PCI_DMA_FROMDEVICE);
- prefetch(skb);
- prefetch(((char *)(skb)) + 128);
- /* is this an error packet? */
- if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
- DP(NETIF_MSG_RX_ERR,
- "ERROR flags %x rx packet %u\n",
- cqe_fp_flags, sw_comp_cons);
- bp->eth_stats.rx_err_discard_pkt++;
- goto reuse_rx;
- }
- /* Since we don't have a jumbo ring
- * copy small packets if mtu > 1500
- */
- if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
- (len <= RX_COPY_THRESH)) {
- struct sk_buff *new_skb;
- new_skb = netdev_alloc_skb(bp->dev,
- len + pad);
- if (new_skb == NULL) {
- DP(NETIF_MSG_RX_ERR,
- "ERROR packet dropped "
- "because of alloc failure\n");
- bp->eth_stats.rx_skb_alloc_failed++;
- goto reuse_rx;
- }
- /* aligned copy */
- skb_copy_from_linear_data_offset(skb, pad,
- new_skb->data + pad, len);
- skb_reserve(new_skb, pad);
- skb_put(new_skb, len);
- bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
- skb = new_skb;
- } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
- pci_unmap_single(bp->pdev,
- pci_unmap_addr(rx_buf, mapping),
- bp->rx_buf_size,
- PCI_DMA_FROMDEVICE);
- skb_reserve(skb, pad);
- skb_put(skb, len);
- } else {
- DP(NETIF_MSG_RX_ERR,
- "ERROR packet dropped because "
- "of alloc failure\n");
- bp->eth_stats.rx_skb_alloc_failed++;
- reuse_rx:
- bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
- goto next_rx;
- }
- skb->protocol = eth_type_trans(skb, bp->dev);
- skb->ip_summed = CHECKSUM_NONE;
- if (bp->rx_csum) {
- if (likely(BNX2X_RX_CSUM_OK(cqe)))
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- else
- bp->eth_stats.hw_csum_err++;
- }
- }
- #ifdef BCM_VLAN
- if ((bp->vlgrp != NULL) &&
- (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
- PARSING_FLAGS_VLAN))
- vlan_hwaccel_receive_skb(skb, bp->vlgrp,
- le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
- else
- #endif
- netif_receive_skb(skb);
- next_rx:
- rx_buf->skb = NULL;
- bd_cons = NEXT_RX_IDX(bd_cons);
- bd_prod = NEXT_RX_IDX(bd_prod);
- bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
- rx_pkt++;
- next_cqe:
- sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
- sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
- if (rx_pkt == budget)
- break;
- } /* while */
- fp->rx_bd_cons = bd_cons;
- fp->rx_bd_prod = bd_prod_fw;
- fp->rx_comp_cons = sw_comp_cons;
- fp->rx_comp_prod = sw_comp_prod;
- /* Update producers */
- bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
- fp->rx_sge_prod);
- mmiowb(); /* keep prod updates ordered */
- fp->rx_pkt += rx_pkt;
- fp->rx_calls++;
- return rx_pkt;
- }
- static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
- {
- struct bnx2x_fastpath *fp = fp_cookie;
- struct bnx2x *bp = fp->bp;
- int index = FP_IDX(fp);
- /* Return here if interrupt is disabled */
- if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
- DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
- return IRQ_HANDLED;
- }
- DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
- index, FP_SB_ID(fp));
- bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
- #ifdef BNX2X_STOP_ON_ERROR
- if (unlikely(bp->panic))
- return IRQ_HANDLED;
- #endif
- prefetch(fp->rx_cons_sb);
- prefetch(fp->tx_cons_sb);
- prefetch(&fp->status_blk->c_status_block.status_block_index);
- prefetch(&fp->status_blk->u_status_block.status_block_index);
- netif_rx_schedule(&bnx2x_fp(bp, index, napi));
- return IRQ_HANDLED;
- }
- static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
- {
- struct net_device *dev = dev_instance;
- struct bnx2x *bp = netdev_priv(dev);
- u16 status = bnx2x_ack_int(bp);
- u16 mask;
- /* Return here if interrupt is shared and it's not for us */
- if (unlikely(status == 0)) {
- DP(NETIF_MSG_INTR, "not our interrupt!\n");
- return IRQ_NONE;
- }
- DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
- /* Return here if interrupt is disabled */
- if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
- DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
- return IRQ_HANDLED;
- }
- #ifdef BNX2X_STOP_ON_ERROR
- if (unlikely(bp->panic))
- return IRQ_HANDLED;
- #endif
- mask = 0x2 << bp->fp[0].sb_id;
- if (status & mask) {
- struct bnx2x_fastpath *fp = &bp->fp[0];
- prefetch(fp->rx_cons_sb);
- prefetch(fp->tx_cons_sb);
- prefetch(&fp->status_blk->c_status_block.status_block_index);
- prefetch(&fp->status_blk->u_status_block.status_block_index);
- netif_rx_schedule(&bnx2x_fp(bp, 0, napi));
- status &= ~mask;
- }
- if (unlikely(status & 0x1)) {
- schedule_work(&bp->sp_task);
- status &= ~0x1;
- if (!status)
- return IRQ_HANDLED;
- }
- if (status)
- DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
- status);
- return IRQ_HANDLED;
- }
- /* end of fast path */
- static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
- /* Link */
- /*
- * General service functions
- */
- static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
- {
- u32 lock_status;
- u32 resource_bit = (1 << resource);
- int func = BP_FUNC(bp);
- u32 hw_lock_control_reg;
- int cnt;
- /* Validating that the resource is within range */
- if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
- DP(NETIF_MSG_HW,
- "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
- resource, HW_LOCK_MAX_RESOURCE_VALUE);
- return -EINVAL;
- }
- if (func <= 5) {
- hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
- } else {
- hw_lock_control_reg =
- (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
- }
- /* Validating that the resource is not already taken */
- lock_status = REG_RD(bp, hw_lock_control_reg);
- if (lock_status & resource_bit) {
- DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
- lock_status, resource_bit);
- return -EEXIST;
- }
- /* Try for 5 second every 5ms */
- for (cnt = 0; cnt < 1000; cnt++) {
- /* Try to acquire the lock */
- REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
- lock_status = REG_RD(bp, hw_lock_control_reg);
- if (lock_status & resource_bit)
- return 0;
- msleep(5);
- }
- DP(NETIF_MSG_HW, "Timeout\n");
- return -EAGAIN;
- }
- static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
- {
- u32 lock_status;
- u32 resource_bit = (1 << resource);
- int func = BP_FUNC(bp);
- u32 hw_lock_control_reg;
- /* Validating that the resource is within range */
- if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
- DP(NETIF_MSG_HW,
- "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
- resource, HW_LOCK_MAX_RESOURCE_VALUE);
- return -EINVAL;
- }
- if (func <= 5) {
- hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
- } else {
- hw_lock_control_reg =
- (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
- }
- /* Validating that the resource is currently taken */
- lock_status = REG_RD(bp, hw_lock_control_reg);
- if (!(lock_status & resource_bit)) {
- DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
- lock_status, resource_bit);
- return -EFAULT;
- }
- REG_WR(bp, hw_lock_control_reg, resource_bit);
- return 0;
- }
- /* HW Lock for shared dual port PHYs */
- static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
- {
- u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
- mutex_lock(&bp->port.phy_mutex);
- if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
- (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
- bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
- }
- static void bnx2x_release_phy_lock(struct bnx2x *bp)
- {
- u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
- if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
- (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
- bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
- mutex_unlock(&bp->port.phy_mutex);
- }
- int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
- {
- /* The GPIO should be swapped if swap register is set and active */
- int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
- REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
- int gpio_shift = gpio_num +
- (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
- u32 gpio_mask = (1 << gpio_shift);
- u32 gpio_reg;
- if (gpio_num > MISC_REGISTERS_GPIO_3) {
- BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
- return -EINVAL;
- }
- bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
- /* read GPIO and mask except the float bits */
- gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
- switch (mode) {
- case MISC_REGISTERS_GPIO_OUTPUT_LOW:
- DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
- gpio_num, gpio_shift);
- /* clear FLOAT and set CLR */
- gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
- gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
- break;
- case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
- DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
- gpio_num, gpio_shift);
- /* clear FLOAT and set SET */
- gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
- gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
- break;
- case MISC_REGISTERS_GPIO_INPUT_HI_Z:
- DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
- gpio_num, gpio_shift);
- /* set FLOAT */
- gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
- break;
- default:
- break;
- }
- REG_WR(bp, MISC_REG_GPIO, gpio_reg);
- bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
- return 0;
- }
- static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
- {
- u32 spio_mask = (1 << spio_num);
- u32 spio_reg;
- if ((spio_num < MISC_REGISTERS_SPIO_4) ||
- (spio_num > MISC_REGISTERS_SPIO_7)) {
- BNX2X_ERR("Invalid SPIO %d\n", spio_num);
- return -EINVAL;
- }
- bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
- /* read SPIO and mask except the float bits */
- spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
- switch (mode) {
- case MISC_REGISTERS_SPIO_OUTPUT_LOW:
- DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
- /* clear FLOAT and set CLR */
- spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
- spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
- break;
- case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
- DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
- /* clear FLOAT and set SET */
- spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
- spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
- break;
- case MISC_REGISTERS_SPIO_INPUT_HI_Z:
- DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
- /* set FLOAT */
- spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
- break;
- default:
- break;
- }
- REG_WR(bp, MISC_REG_SPIO, spio_reg);
- bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
- return 0;
- }
- static void bnx2x_calc_fc_adv(struct bnx2x *bp)
- {
- switch (bp->link_vars.ieee_fc) {
- case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
- bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
- ADVERTISED_Pause);
- break;
- case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
- bp->port.advertising |= (ADVERTISED_Asym_Pause |
- ADVERTISED_Pause);
- break;
- case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
- bp->port.advertising |= ADVERTISED_Asym_Pause;
- break;
- default:
- bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
- ADVERTISED_Pause);
- break;
- }
- }
- static void bnx2x_link_report(struct bnx2x *bp)
- {
- if (bp->link_vars.link_up) {
- if (bp->state == BNX2X_STATE_OPEN)
- netif_carrier_on(bp->dev);
- printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
- printk("%d Mbps ", bp->link_vars.line_speed);
- if (bp->link_vars.duplex == DUPLEX_FULL)
- printk("full duplex");
- else
- printk("half duplex");
- if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) {
- if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) {
- printk(", receive ");
- if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
- printk("& transmit ");
- } else {
- printk(", transmit ");
- }
- printk("flow control ON");
- }
- printk("\n");
- } else { /* link_down */
- netif_carrier_off(bp->dev);
- printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
- }
- }
- static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
- {
- if (!BP_NOMCP(bp)) {
- u8 rc;
- /* Initialize link parameters structure variables */
- /* It is recommended to turn off RX FC for jumbo frames
- for better performance */
- if (IS_E1HMF(bp))
- bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
- else if (bp->dev->mtu > 5000)
- bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
- else
- bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
- bnx2x_acquire_phy_lock(bp);
- rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
- bnx2x_release_phy_lock(bp);
- if (bp->link_vars.link_up)
- bnx2x_link_report(bp);
- bnx2x_calc_fc_adv(bp);
- return rc;
- }
- BNX2X_ERR("Bootcode is missing -not initializing link\n");
- return -EINVAL;
- }
- static void bnx2x_link_set(struct bnx2x *bp)
- {
- if (!BP_NOMCP(bp)) {
- bnx2x_acquire_phy_lock(bp);
- bnx2x_phy_init(&bp->link_params, &bp->link_vars);
- bnx2x_release_phy_lock(bp);
- bnx2x_calc_fc_adv(bp);
- } else
- BNX2X_ERR("Bootcode is missing -not setting link\n");
- }
- static void bnx2x__link_reset(struct bnx2x *bp)
- {
- if (!BP_NOMCP(bp)) {
- bnx2x_acquire_phy_lock(bp);
- bnx2x_link_reset(&bp->link_params, &bp->link_vars);
- bnx2x_release_phy_lock(bp);
- } else
- BNX2X_ERR("Bootcode is missing -not resetting link\n");
- }
- static u8 bnx2x_link_test(struct bnx2x *bp)
- {
- u8 rc;
- bnx2x_acquire_phy_lock(bp);
- rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
- bnx2x_release_phy_lock(bp);
- return rc;
- }
- /* Calculates the sum of vn_min_rates.
- It's needed for further normalizing of the min_rates.
- Returns:
- sum of vn_min_rates
- or
- 0 - if all the min_rates are 0.
- In the later case fairness algorithm should be deactivated.
- If not all min_rates are zero then those that are zeroes will
- be set to 1.
- */
- static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
- {
- int i, port = BP_PORT(bp);
- u32 wsum = 0;
- int all_zero = 1;
- for (i = 0; i < E1HVN_MAX; i++) {
- u32 vn_cfg =
- SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
- u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
- FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
- if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
- /* If min rate is zero - set it to 1 */
- if (!vn_min_rate)
- vn_min_rate = DEF_MIN_RATE;
- else
- all_zero = 0;
- wsum += vn_min_rate;
- }
- }
- /* ... only if all min rates are zeros - disable FAIRNESS */
- if (all_zero)
- return 0;
- return wsum;
- }
- static void bnx2x_init_port_minmax(struct bnx2x *bp,
- int en_fness,
- u16 port_rate,
- struct cmng_struct_per_port *m_cmng_port)
- {
- u32 r_param = port_rate / 8;
- int port = BP_PORT(bp);
- int i;
- memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
- /* Enable minmax only if we are in e1hmf mode */
- if (IS_E1HMF(bp)) {
- u32 fair_periodic_timeout_usec;
- u32 t_fair;
- /* Enable rate shaping and fairness */
- m_cmng_port->flags.cmng_vn_enable = 1;
- m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
- m_cmng_port->flags.rate_shaping_enable = 1;
- if (!en_fness)
- DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
- " fairness will be disabled\n");
- /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
- m_cmng_port->rs_vars.rs_periodic_timeout =
- RS_PERIODIC_TIMEOUT_USEC / 4;
- /* this is the threshold below which no timer arming will occur
- 1.25 coefficient is for the threshold to be a little bigger
- than the real time, to compensate for timer in-accuracy */
- m_cmng_port->rs_vars.rs_threshold =
- (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
- /* resolution of fairness timer */
- fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
- /* for 10G it is 1000usec. for 1G it is 10000usec. */
- t_fair = T_FAIR_COEF / port_rate;
- /* this is the threshold below which we won't arm
- the timer anymore */
- m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
- /* we multiply by 1e3/8 to get bytes/msec.
- We don't want the credits to pass a credit
- of the T_FAIR*FAIR_MEM (algorithm resolution) */
- m_cmng_port->fair_vars.upper_bound =
- r_param * t_fair * FAIR_MEM;
- /* since each tick is 4 usec */
- m_cmng_port->fair_vars.fairness_timeout =
- fair_periodic_timeout_usec / 4;
- } else {
- /* Disable rate shaping and fairness */
- m_cmng_port->flags.cmng_vn_enable = 0;
- m_cmng_port->flags.fairness_enable = 0;
- m_cmng_port->flags.rate_shaping_enable = 0;
- DP(NETIF_MSG_IFUP,
- "Single function mode minmax will be disabled\n");
- }
- /* Store it to internal memory */
- for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
- REG_WR(bp, BAR_XSTRORM_INTMEM +
- XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
- ((u32 *)(m_cmng_port))[i]);
- }
- static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
- u32 wsum, u16 port_rate,
- struct cmng_struct_per_port *m_cmng_port)
- {
- struct rate_shaping_vars_per_vn m_rs_vn;
- struct fairness_vars_per_vn m_fair_vn;
- u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
- u16 vn_min_rate, vn_max_rate;
- int i;
- /* If function is hidden - set min and max to zeroes */
- if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
- vn_min_rate = 0;
- vn_max_rate = 0;
- } else {
- vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
- FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
- /* If FAIRNESS is enabled (not all min rates are zeroes) and
- if current min rate is zero - set it to 1.
- This is a requirement of the algorithm. */
- if ((vn_min_rate == 0) && wsum)
- vn_min_rate = DEF_MIN_RATE;
- vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
- FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
- }
- DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
- "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
- memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
- memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
- /* global vn counter - maximal Mbps for this vn */
- m_rs_vn.vn_counter.rate = vn_max_rate;
- /* quota - number of bytes transmitted in this period */
- m_rs_vn.vn_counter.quota =
- (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
- #ifdef BNX2X_PER_PROT_QOS
- /* per protocol counter */
- for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
- /* maximal Mbps for this protocol */
- m_rs_vn.protocol_counters[protocol].rate =
- protocol_max_rate[protocol];
- /* the quota in each timer period -
- number of bytes transmitted in this period */
- m_rs_vn.protocol_counters[protocol].quota =
- (u32)(rs_periodic_timeout_usec *
- ((double)m_rs_vn.
- protocol_counters[protocol].rate/8));
- }
- #endif
- if (wsum) {
- /* credit for each period of the fairness algorithm:
- number of bytes in T_FAIR (the vn share the port rate).
- wsum should not be larger than 10000, thus
- T_FAIR_COEF / (8 * wsum) will always be grater than zero */
- m_fair_vn.vn_credit_delta =
- max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
- (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
- DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
- m_fair_vn.vn_credit_delta);
- }
- #ifdef BNX2X_PER_PROT_QOS
- do {
- u32 protocolWeightSum = 0;
- for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
- protocolWeightSum +=
- drvInit.protocol_min_rate[protocol];
- /* per protocol counter -
- NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
- if (protocolWeightSum > 0) {
- for (protocol = 0;
- protocol < NUM_OF_PROTOCOLS; protocol++)
- /* credit for each period of the
- fairness algorithm - number of bytes in
- T_FAIR (the protocol share the vn rate) */
- m_fair_vn.protocol_credit_delta[protocol] =
- (u32)((vn_min_rate / 8) * t_fair *
- protocol_min_rate / protocolWeightSum);
- }
- } while (0);
- #endif
- /* Store it to internal memory */
- for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
- REG_WR(bp, BAR_XSTRORM_INTMEM +
- XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
- ((u32 *)(&m_rs_vn))[i]);
- for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
- REG_WR(bp, BAR_XSTRORM_INTMEM +
- XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
- ((u32 *)(&m_fair_vn))[i]);
- }
- /* This function is called upon link interrupt */
- static void bnx2x_link_attn(struct bnx2x *bp)
- {
- int vn;
- /* Make sure that we are synced with the current statistics */
- bnx2x_stats_handle(bp, STATS_EVENT_STOP);
- bnx2x_acquire_phy_lock(bp);
- bnx2x_link_update(&bp->link_params, &bp->link_vars);
- bnx2x_release_phy_lock(bp);
- if (bp->link_vars.link_up) {
- if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
- struct host_port_stats *pstats;
- pstats = bnx2x_sp(bp, port_stats);
- /* reset old bmac stats */
- memset(&(pstats->mac_stx[0]), 0,
- sizeof(struct mac_stx));
- }
- if ((bp->state == BNX2X_STATE_OPEN) ||
- (bp->state == BNX2X_STATE_DISABLED))
- bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
- }
- /* indicate link status */
- bnx2x_link_report(bp);
- if (IS_E1HMF(bp)) {
- int func;
- for (vn = VN_0; vn < E1HVN_MAX; vn++) {
- if (vn == BP_E1HVN(bp))
- continue;
- func = ((vn << 1) | BP_PORT(bp));
- /* Set the attention towards other drivers
- on the same port */
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
- (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
- }
- }
- if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
- struct cmng_struct_per_port m_cmng_port;
- u32 wsum;
- int port = BP_PORT(bp);
- /* Init RATE SHAPING and FAIRNESS contexts */
- wsum = bnx2x_calc_vn_wsum(bp);
- bnx2x_init_port_minmax(bp, (int)wsum,
- bp->link_vars.line_speed,
- &m_cmng_port);
- if (IS_E1HMF(bp))
- for (vn = VN_0; vn < E1HVN_MAX; vn++)
- bnx2x_init_vn_minmax(bp, 2*vn + port,
- wsum, bp->link_vars.line_speed,
- &m_cmng_port);
- }
- }
- static void bnx2x__link_status_update(struct bnx2x *bp)
- {
- if (bp->state != BNX2X_STATE_OPEN)
- return;
- bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
- if (bp->link_vars.link_up)
- bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
- else
- bnx2x_stats_handle(bp, STATS_EVENT_STOP);
- /* indicate link status */
- bnx2x_link_report(bp);
- }
- static void bnx2x_pmf_update(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- u32 val;
- bp->port.pmf = 1;
- DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
- /* enable nig attention */
- val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
- REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
- REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
- bnx2x_stats_handle(bp, STATS_EVENT_PMF);
- }
- /* end of Link */
- /* slow path */
- /*
- * General service functions
- */
- /* the slow path queue is odd since completions arrive on the fastpath ring */
- static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
- u32 data_hi, u32 data_lo, int common)
- {
- int func = BP_FUNC(bp);
- DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
- "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
- (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
- (void *)bp->spq_prod_bd - (void *)bp->spq), command,
- HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
- #ifdef BNX2X_STOP_ON_ERROR
- if (unlikely(bp->panic))
- return -EIO;
- #endif
- spin_lock_bh(&bp->spq_lock);
- if (!bp->spq_left) {
- BNX2X_ERR("BUG! SPQ ring full!\n");
- spin_unlock_bh(&bp->spq_lock);
- bnx2x_panic();
- return -EBUSY;
- }
- /* CID needs port number to be encoded int it */
- bp->spq_prod_bd->hdr.conn_and_cmd_data =
- cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
- HW_CID(bp, cid)));
- bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
- if (common)
- bp->spq_prod_bd->hdr.type |=
- cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
- bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
- bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
- bp->spq_left--;
- if (bp->spq_prod_bd == bp->spq_last_bd) {
- bp->spq_prod_bd = bp->spq;
- bp->spq_prod_idx = 0;
- DP(NETIF_MSG_TIMER, "end of spq\n");
- } else {
- bp->spq_prod_bd++;
- bp->spq_prod_idx++;
- }
- REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
- bp->spq_prod_idx);
- spin_unlock_bh(&bp->spq_lock);
- return 0;
- }
- /* acquire split MCP access lock register */
- static int bnx2x_acquire_alr(struct bnx2x *bp)
- {
- u32 i, j, val;
- int rc = 0;
- might_sleep();
- i = 100;
- for (j = 0; j < i*10; j++) {
- val = (1UL << 31);
- REG_WR(bp, GRCBASE_MCP + 0x9c, val);
- val = REG_RD(bp, GRCBASE_MCP + 0x9c);
- if (val & (1L << 31))
- break;
- msleep(5);
- }
- if (!(val & (1L << 31))) {
- BNX2X_ERR("Cannot acquire MCP access lock register\n");
- rc = -EBUSY;
- }
- return rc;
- }
- /* release split MCP access lock register */
- static void bnx2x_release_alr(struct bnx2x *bp)
- {
- u32 val = 0;
- REG_WR(bp, GRCBASE_MCP + 0x9c, val);
- }
- static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
- {
- struct host_def_status_block *def_sb = bp->def_status_blk;
- u16 rc = 0;
- barrier(); /* status block is written to by the chip */
- if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
- bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
- rc |= 1;
- }
- if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
- bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
- rc |= 2;
- }
- if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
- bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
- rc |= 4;
- }
- if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
- bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
- rc |= 8;
- }
- if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
- bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
- rc |= 16;
- }
- return rc;
- }
- /*
- * slow path service functions
- */
- static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
- {
- int port = BP_PORT(bp);
- u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
- COMMAND_REG_ATTN_BITS_SET);
- u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
- MISC_REG_AEU_MASK_ATTN_FUNC_0;
- u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
- NIG_REG_MASK_INTERRUPT_PORT0;
- u32 aeu_mask;
- if (bp->attn_state & asserted)
- BNX2X_ERR("IGU ERROR\n");
- bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
- aeu_mask = REG_RD(bp, aeu_addr);
- DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
- aeu_mask, asserted);
- aeu_mask &= ~(asserted & 0xff);
- DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
- REG_WR(bp, aeu_addr, aeu_mask);
- bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
- DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
- bp->attn_state |= asserted;
- DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
- if (asserted & ATTN_HARD_WIRED_MASK) {
- if (asserted & ATTN_NIG_FOR_FUNC) {
- /* save nig interrupt mask */
- bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
- REG_WR(bp, nig_int_mask_addr, 0);
- bnx2x_link_attn(bp);
- /* handle unicore attn? */
- }
- if (asserted & ATTN_SW_TIMER_4_FUNC)
- DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
- if (asserted & GPIO_2_FUNC)
- DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
- if (asserted & GPIO_3_FUNC)
- DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
- if (asserted & GPIO_4_FUNC)
- DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
- if (port == 0) {
- if (asserted & ATTN_GENERAL_ATTN_1) {
- DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
- }
- if (asserted & ATTN_GENERAL_ATTN_2) {
- DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
- }
- if (asserted & ATTN_GENERAL_ATTN_3) {
- DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
- }
- } else {
- if (asserted & ATTN_GENERAL_ATTN_4) {
- DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
- }
- if (asserted & ATTN_GENERAL_ATTN_5) {
- DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
- }
- if (asserted & ATTN_GENERAL_ATTN_6) {
- DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
- }
- }
- } /* if hardwired */
- DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
- asserted, hc_addr);
- REG_WR(bp, hc_addr, asserted);
- /* now set back the mask */
- if (asserted & ATTN_NIG_FOR_FUNC)
- REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
- }
- static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
- {
- int port = BP_PORT(bp);
- int reg_offset;
- u32 val;
- reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
- MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
- if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
- val = REG_RD(bp, reg_offset);
- val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
- REG_WR(bp, reg_offset, val);
- BNX2X_ERR("SPIO5 hw attention\n");
- switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
- case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
- case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
- /* Fan failure attention */
- /* The PHY reset is controlled by GPIO 1 */
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
- /* Low power mode is controlled by GPIO 2 */
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
- /* mark the failure */
- bp->link_params.ext_phy_config &=
- ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
- bp->link_params.ext_phy_config |=
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
- SHMEM_WR(bp,
- dev_info.port_hw_config[port].
- external_phy_config,
- bp->link_params.ext_phy_config);
- /* log the failure */
- printk(KERN_ERR PFX "Fan Failure on Network"
- " Controller %s has caused the driver to"
- " shutdown the card to prevent permanent"
- " damage. Please contact Dell Support for"
- " assistance\n", bp->dev->name);
- break;
- default:
- break;
- }
- }
- if (attn & HW_INTERRUT_ASSERT_SET_0) {
- val = REG_RD(bp, reg_offset);
- val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
- REG_WR(bp, reg_offset, val);
- BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
- (attn & HW_INTERRUT_ASSERT_SET_0));
- bnx2x_panic();
- }
- }
- static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
- {
- u32 val;
- if (attn & BNX2X_DOORQ_ASSERT) {
- val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
- BNX2X_ERR("DB hw attention 0x%x\n", val);
- /* DORQ discard attention */
- if (val & 0x2)
- BNX2X_ERR("FATAL error from DORQ\n");
- }
- if (attn & HW_INTERRUT_ASSERT_SET_1) {
- int port = BP_PORT(bp);
- int reg_offset;
- reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
- MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
- val = REG_RD(bp, reg_offset);
- val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
- REG_WR(bp, reg_offset, val);
- BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
- (attn & HW_INTERRUT_ASSERT_SET_1));
- bnx2x_panic();
- }
- }
- static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
- {
- u32 val;
- if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
- val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
- BNX2X_ERR("CFC hw attention 0x%x\n", val);
- /* CFC error attention */
- if (val & 0x2)
- BNX2X_ERR("FATAL error from CFC\n");
- }
- if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
- val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
- BNX2X_ERR("PXP hw attention 0x%x\n", val);
- /* RQ_USDMDP_FIFO_OVERFLOW */
- if (val & 0x18000)
- BNX2X_ERR("FATAL error from PXP\n");
- }
- if (attn & HW_INTERRUT_ASSERT_SET_2) {
- int port = BP_PORT(bp);
- int reg_offset;
- reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
- MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
- val = REG_RD(bp, reg_offset);
- val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
- REG_WR(bp, reg_offset, val);
- BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
- (attn & HW_INTERRUT_ASSERT_SET_2));
- bnx2x_panic();
- }
- }
- static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
- {
- u32 val;
- if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
- if (attn & BNX2X_PMF_LINK_ASSERT) {
- int func = BP_FUNC(bp);
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
- bnx2x__link_status_update(bp);
- if (SHMEM_RD(bp, func_mb[func].drv_status) &
- DRV_STATUS_PMF)
- bnx2x_pmf_update(bp);
- } else if (attn & BNX2X_MC_ASSERT_BITS) {
- BNX2X_ERR("MC assert!\n");
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
- bnx2x_panic();
- } else if (attn & BNX2X_MCP_ASSERT) {
- BNX2X_ERR("MCP assert!\n");
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
- bnx2x_fw_dump(bp);
- } else
- BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
- }
- if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
- BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
- if (attn & BNX2X_GRC_TIMEOUT) {
- val = CHIP_IS_E1H(bp) ?
- REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
- BNX2X_ERR("GRC time-out 0x%08x\n", val);
- }
- if (attn & BNX2X_GRC_RSV) {
- val = CHIP_IS_E1H(bp) ?
- REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
- BNX2X_ERR("GRC reserved 0x%08x\n", val);
- }
- REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
- }
- }
- static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
- {
- struct attn_route attn;
- struct attn_route group_mask;
- int port = BP_PORT(bp);
- int index;
- u32 reg_addr;
- u32 val;
- u32 aeu_mask;
- /* need to take HW lock because MCP or other port might also
- try to handle this event */
- bnx2x_acquire_alr(bp);
- attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
- attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
- attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
- attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
- DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
- attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
- for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
- if (deasserted & (1 << index)) {
- group_mask = bp->attn_group[index];
- DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
- index, group_mask.sig[0], group_mask.sig[1],
- group_mask.sig[2], group_mask.sig[3]);
- bnx2x_attn_int_deasserted3(bp,
- attn.sig[3] & group_mask.sig[3]);
- bnx2x_attn_int_deasserted1(bp,
- attn.sig[1] & group_mask.sig[1]);
- bnx2x_attn_int_deasserted2(bp,
- attn.sig[2] & group_mask.sig[2]);
- bnx2x_attn_int_deasserted0(bp,
- attn.sig[0] & group_mask.sig[0]);
- if ((attn.sig[0] & group_mask.sig[0] &
- HW_PRTY_ASSERT_SET_0) ||
- (attn.sig[1] & group_mask.sig[1] &
- HW_PRTY_ASSERT_SET_1) ||
- (attn.sig[2] & group_mask.sig[2] &
- HW_PRTY_ASSERT_SET_2))
- BNX2X_ERR("FATAL HW block parity attention\n");
- }
- }
- bnx2x_release_alr(bp);
- reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
- val = ~deasserted;
- DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
- val, reg_addr);
- REG_WR(bp, reg_addr, val);
- if (~bp->attn_state & deasserted)
- BNX2X_ERR("IGU ERROR\n");
- reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
- MISC_REG_AEU_MASK_ATTN_FUNC_0;
- bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
- aeu_mask = REG_RD(bp, reg_addr);
- DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
- aeu_mask, deasserted);
- aeu_mask |= (deasserted & 0xff);
- DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
- REG_WR(bp, reg_addr, aeu_mask);
- bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
- DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
- bp->attn_state &= ~deasserted;
- DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
- }
- static void bnx2x_attn_int(struct bnx2x *bp)
- {
- /* read local copy of bits */
- u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
- u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
- u32 attn_state = bp->attn_state;
- /* look for changed bits */
- u32 asserted = attn_bits & ~attn_ack & ~attn_state;
- u32 deasserted = ~attn_bits & attn_ack & attn_state;
- DP(NETIF_MSG_HW,
- "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
- attn_bits, attn_ack, asserted, deasserted);
- if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
- BNX2X_ERR("BAD attention state\n");
- /* handle bits that were raised */
- if (asserted)
- bnx2x_attn_int_asserted(bp, asserted);
- if (deasserted)
- bnx2x_attn_int_deasserted(bp, deasserted);
- }
- static void bnx2x_sp_task(struct work_struct *work)
- {
- struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
- u16 status;
- /* Return here if interrupt is disabled */
- if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
- DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
- return;
- }
- status = bnx2x_update_dsb_idx(bp);
- /* if (status == 0) */
- /* BNX2X_ERR("spurious slowpath interrupt!\n"); */
- DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
- /* HW attentions */
- if (status & 0x1)
- bnx2x_attn_int(bp);
- /* CStorm events: query_stats, port delete ramrod */
- if (status & 0x2)
- bp->stats_pending = 0;
- bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
- IGU_INT_NOP, 1);
- bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
- IGU_INT_NOP, 1);
- bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
- IGU_INT_NOP, 1);
- bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
- IGU_INT_NOP, 1);
- bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
- IGU_INT_ENABLE, 1);
- }
- static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
- {
- struct net_device *dev = dev_instance;
- struct bnx2x *bp = netdev_priv(dev);
- /* Return here if interrupt is disabled */
- if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
- DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
- return IRQ_HANDLED;
- }
- bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
- #ifdef BNX2X_STOP_ON_ERROR
- if (unlikely(bp->panic))
- return IRQ_HANDLED;
- #endif
- schedule_work(&bp->sp_task);
- return IRQ_HANDLED;
- }
- /* end of slow path */
- /* Statistics */
- /****************************************************************************
- * Macros
- ****************************************************************************/
- /* sum[hi:lo] += add[hi:lo] */
- #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
- do { \
- s_lo += a_lo; \
- s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
- } while (0)
- /* difference = minuend - subtrahend */
- #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
- do { \
- if (m_lo < s_lo) { \
- /* underflow */ \
- d_hi = m_hi - s_hi; \
- if (d_hi > 0) { \
- /* we can 'loan' 1 */ \
- d_hi--; \
- d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
- } else { \
- /* m_hi <= s_hi */ \
- d_hi = 0; \
- d_lo = 0; \
- } \
- } else { \
- /* m_lo >= s_lo */ \
- if (m_hi < s_hi) { \
- d_hi = 0; \
- d_lo = 0; \
- } else { \
- /* m_hi >= s_hi */ \
- d_hi = m_hi - s_hi; \
- d_lo = m_lo - s_lo; \
- } \
- } \
- } while (0)
- #define UPDATE_STAT64(s, t) \
- do { \
- DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
- diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
- pstats->mac_stx[0].t##_hi = new->s##_hi; \
- pstats->mac_stx[0].t##_lo = new->s##_lo; \
- ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
- pstats->mac_stx[1].t##_lo, diff.lo); \
- } while (0)
- #define UPDATE_STAT64_NIG(s, t) \
- do { \
- DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
- diff.lo, new->s##_lo, old->s##_lo); \
- ADD_64(estats->t##_hi, diff.hi, \
- estats->t##_lo, diff.lo); \
- } while (0)
- /* sum[hi:lo] += add */
- #define ADD_EXTEND_64(s_hi, s_lo, a) \
- do { \
- s_lo += a; \
- s_hi += (s_lo < a) ? 1 : 0; \
- } while (0)
- #define UPDATE_EXTEND_STAT(s) \
- do { \
- ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
- pstats->mac_stx[1].s##_lo, \
- new->s); \
- } while (0)
- #define UPDATE_EXTEND_TSTAT(s, t) \
- do { \
- diff = le32_to_cpu(tclient->s) - old_tclient->s; \
- old_tclient->s = le32_to_cpu(tclient->s); \
- ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
- } while (0)
- #define UPDATE_EXTEND_XSTAT(s, t) \
- do { \
- diff = le32_to_cpu(xclient->s) - old_xclient->s; \
- old_xclient->s = le32_to_cpu(xclient->s); \
- ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
- } while (0)
- /*
- * General service functions
- */
- static inline long bnx2x_hilo(u32 *hiref)
- {
- u32 lo = *(hiref + 1);
- #if (BITS_PER_LONG == 64)
- u32 hi = *hiref;
- return HILO_U64(hi, lo);
- #else
- return lo;
- #endif
- }
- /*
- * Init service functions
- */
- static void bnx2x_storm_stats_post(struct bnx2x *bp)
- {
- if (!bp->stats_pending) {
- struct eth_query_ramrod_data ramrod_data = {0};
- int rc;
- ramrod_data.drv_counter = bp->stats_counter++;
- ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
- ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
- rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
- ((u32 *)&ramrod_data)[1],
- ((u32 *)&ramrod_data)[0], 0);
- if (rc == 0) {
- /* stats ramrod has it's own slot on the spq */
- bp->spq_left++;
- bp->stats_pending = 1;
- }
- }
- }
- static void bnx2x_stats_init(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- bp->executer_idx = 0;
- bp->stats_counter = 0;
- /* port stats */
- if (!BP_NOMCP(bp))
- bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
- else
- bp->port.port_stx = 0;
- DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
- memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
- bp->port.old_nig_stats.brb_discard =
- REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
- bp->port.old_nig_stats.brb_truncate =
- REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
- REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
- &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
- REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
- &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
- /* function stats */
- memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
- memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
- memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
- memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
- bp->stats_state = STATS_STATE_DISABLED;
- if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
- bnx2x_stats_handle(bp, STATS_EVENT_PMF);
- }
- static void bnx2x_hw_stats_post(struct bnx2x *bp)
- {
- struct dmae_command *dmae = &bp->stats_dmae;
- u32 *stats_comp = bnx2x_sp(bp, stats_comp);
- *stats_comp = DMAE_COMP_VAL;
- /* loader */
- if (bp->executer_idx) {
- int loader_idx = PMF_DMAE_C(bp);
- memset(dmae, 0, sizeof(struct dmae_command));
- dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
- DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
- DMAE_CMD_DST_RESET |
- #ifdef __BIG_ENDIAN
- DMAE_CMD_ENDIANITY_B_DW_SWAP |
- #else
- DMAE_CMD_ENDIANITY_DW_SWAP |
- #endif
- (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
- DMAE_CMD_PORT_0) |
- (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
- dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
- dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
- dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
- sizeof(struct dmae_command) *
- (loader_idx + 1)) >> 2;
- dmae->dst_addr_hi = 0;
- dmae->len = sizeof(struct dmae_command) >> 2;
- if (CHIP_IS_E1(bp))
- dmae->len--;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- *stats_comp = 0;
- bnx2x_post_dmae(bp, dmae, loader_idx);
- } else if (bp->func_stx) {
- *stats_comp = 0;
- bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
- }
- }
- static int bnx2x_stats_comp(struct bnx2x *bp)
- {
- u32 *stats_comp = bnx2x_sp(bp, stats_comp);
- int cnt = 10;
- might_sleep();
- while (*stats_comp != DMAE_COMP_VAL) {
- if (!cnt) {
- BNX2X_ERR("timeout waiting for stats finished\n");
- break;
- }
- cnt--;
- msleep(1);
- }
- return 1;
- }
- /*
- * Statistics service functions
- */
- static void bnx2x_stats_pmf_update(struct bnx2x *bp)
- {
- struct dmae_command *dmae;
- u32 opcode;
- int loader_idx = PMF_DMAE_C(bp);
- u32 *stats_comp = bnx2x_sp(bp, stats_comp);
- /* sanity */
- if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
- BNX2X_ERR("BUG!\n");
- return;
- }
- bp->executer_idx = 0;
- opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
- DMAE_CMD_C_ENABLE |
- DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
- #ifdef __BIG_ENDIAN
- DMAE_CMD_ENDIANITY_B_DW_SWAP |
- #else
- DMAE_CMD_ENDIANITY_DW_SWAP |
- #endif
- (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
- (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
- dmae->src_addr_lo = bp->port.port_stx >> 2;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
- dmae->len = DMAE_LEN32_RD_MAX;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
- dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
- DMAE_LEN32_RD_MAX * 4);
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
- DMAE_LEN32_RD_MAX * 4);
- dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
- dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
- dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
- dmae->comp_val = DMAE_COMP_VAL;
- *stats_comp = 0;
- bnx2x_hw_stats_post(bp);
- bnx2x_stats_comp(bp);
- }
- static void bnx2x_port_stats_init(struct bnx2x *bp)
- {
- struct dmae_command *dmae;
- int port = BP_PORT(bp);
- int vn = BP_E1HVN(bp);
- u32 opcode;
- int loader_idx = PMF_DMAE_C(bp);
- u32 mac_addr;
- u32 *stats_comp = bnx2x_sp(bp, stats_comp);
- /* sanity */
- if (!bp->link_vars.link_up || !bp->port.pmf) {
- BNX2X_ERR("BUG!\n");
- return;
- }
- bp->executer_idx = 0;
- /* MCP */
- opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
- DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
- DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
- #ifdef __BIG_ENDIAN
- DMAE_CMD_ENDIANITY_B_DW_SWAP |
- #else
- DMAE_CMD_ENDIANITY_DW_SWAP |
- #endif
- (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
- (vn << DMAE_CMD_E1HVN_SHIFT));
- if (bp->port.port_stx) {
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = opcode;
- dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
- dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
- dmae->dst_addr_lo = bp->port.port_stx >> 2;
- dmae->dst_addr_hi = 0;
- dmae->len = sizeof(struct host_port_stats) >> 2;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- }
- if (bp->func_stx) {
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = opcode;
- dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
- dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
- dmae->dst_addr_lo = bp->func_stx >> 2;
- dmae->dst_addr_hi = 0;
- dmae->len = sizeof(struct host_func_stats) >> 2;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- }
- /* MAC */
- opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
- DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
- DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
- #ifdef __BIG_ENDIAN
- DMAE_CMD_ENDIANITY_B_DW_SWAP |
- #else
- DMAE_CMD_ENDIANITY_DW_SWAP |
- #endif
- (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
- (vn << DMAE_CMD_E1HVN_SHIFT));
- if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
- mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
- NIG_REG_INGRESS_BMAC0_MEM);
- /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
- BIGMAC_REGISTER_TX_STAT_GTBYT */
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = opcode;
- dmae->src_addr_lo = (mac_addr +
- BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
- dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
- BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- /* BIGMAC_REGISTER_RX_STAT_GR64 ..
- BIGMAC_REGISTER_RX_STAT_GRIPJ */
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = opcode;
- dmae->src_addr_lo = (mac_addr +
- BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
- offsetof(struct bmac_stats, rx_stat_gr64_lo));
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
- offsetof(struct bmac_stats, rx_stat_gr64_lo));
- dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
- BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
- mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
- /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = opcode;
- dmae->src_addr_lo = (mac_addr +
- EMAC_REG_EMAC_RX_STAT_AC) >> 2;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
- dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- /* EMAC_REG_EMAC_RX_STAT_AC_28 */
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = opcode;
- dmae->src_addr_lo = (mac_addr +
- EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
- offsetof(struct emac_stats, rx_stat_falsecarriererrors));
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
- offsetof(struct emac_stats, rx_stat_falsecarriererrors));
- dmae->len = 1;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = opcode;
- dmae->src_addr_lo = (mac_addr +
- EMAC_REG_EMAC_TX_STAT_AC) >> 2;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
- offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
- offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
- dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- }
- /* NIG */
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = opcode;
- dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
- NIG_REG_STAT0_BRB_DISCARD) >> 2;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
- dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = opcode;
- dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
- NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
- offsetof(struct nig_stats, egress_mac_pkt0_lo));
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
- offsetof(struct nig_stats, egress_mac_pkt0_lo));
- dmae->len = (2*sizeof(u32)) >> 2;
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
- DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
- DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
- #ifdef __BIG_ENDIAN
- DMAE_CMD_ENDIANITY_B_DW_SWAP |
- #else
- DMAE_CMD_ENDIANITY_DW_SWAP |
- #endif
- (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
- (vn << DMAE_CMD_E1HVN_SHIFT));
- dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
- NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
- dmae->src_addr_hi = 0;
- dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
- offsetof(struct nig_stats, egress_mac_pkt1_lo));
- dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
- offsetof(struct nig_stats, egress_mac_pkt1_lo));
- dmae->len = (2*sizeof(u32)) >> 2;
- dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
- dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
- dmae->comp_val = DMAE_COMP_VAL;
- *stats_comp = 0;
- }
- static void bnx2x_func_stats_init(struct bnx2x *bp)
- {
- struct dmae_command *dmae = &bp->stats_dmae;
- u32 *stats_comp = bnx2x_sp(bp, stats_comp);
- /* sanity */
- if (!bp->func_stx) {
- BNX2X_ERR("BUG!\n");
- return;
- }
- bp->executer_idx = 0;
- memset(dmae, 0, sizeof(struct dmae_command));
- dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
- DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
- DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
- #ifdef __BIG_ENDIAN
- DMAE_CMD_ENDIANITY_B_DW_SWAP |
- #else
- DMAE_CMD_ENDIANITY_DW_SWAP |
- #endif
- (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
- (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
- dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
- dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
- dmae->dst_addr_lo = bp->func_stx >> 2;
- dmae->dst_addr_hi = 0;
- dmae->len = sizeof(struct host_func_stats) >> 2;
- dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
- dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
- dmae->comp_val = DMAE_COMP_VAL;
- *stats_comp = 0;
- }
- static void bnx2x_stats_start(struct bnx2x *bp)
- {
- if (bp->port.pmf)
- bnx2x_port_stats_init(bp);
- else if (bp->func_stx)
- bnx2x_func_stats_init(bp);
- bnx2x_hw_stats_post(bp);
- bnx2x_storm_stats_post(bp);
- }
- static void bnx2x_stats_pmf_start(struct bnx2x *bp)
- {
- bnx2x_stats_comp(bp);
- bnx2x_stats_pmf_update(bp);
- bnx2x_stats_start(bp);
- }
- static void bnx2x_stats_restart(struct bnx2x *bp)
- {
- bnx2x_stats_comp(bp);
- bnx2x_stats_start(bp);
- }
- static void bnx2x_bmac_stats_update(struct bnx2x *bp)
- {
- struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
- struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
- struct regpair diff;
- UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
- UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
- UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
- UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
- UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
- UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
- UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
- UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
- UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
- UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
- UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
- UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
- UPDATE_STAT64(tx_stat_gt127,
- tx_stat_etherstatspkts65octetsto127octets);
- UPDATE_STAT64(tx_stat_gt255,
- tx_stat_etherstatspkts128octetsto255octets);
- UPDATE_STAT64(tx_stat_gt511,
- tx_stat_etherstatspkts256octetsto511octets);
- UPDATE_STAT64(tx_stat_gt1023,
- tx_stat_etherstatspkts512octetsto1023octets);
- UPDATE_STAT64(tx_stat_gt1518,
- tx_stat_etherstatspkts1024octetsto1522octets);
- UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
- UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
- UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
- UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
- UPDATE_STAT64(tx_stat_gterr,
- tx_stat_dot3statsinternalmactransmiterrors);
- UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
- }
- static void bnx2x_emac_stats_update(struct bnx2x *bp)
- {
- struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
- struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
- UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
- UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
- UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
- UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
- UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
- UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
- UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
- UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
- UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
- UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
- UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
- UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
- UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
- UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
- UPDATE_EXTEND_STAT(tx_stat_outxonsent);
- UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
- UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
- UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
- UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
- UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
- UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
- UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
- UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
- UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
- UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
- UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
- UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
- UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
- UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
- UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
- UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
- }
- static int bnx2x_hw_stats_update(struct bnx2x *bp)
- {
- struct nig_stats *new = bnx2x_sp(bp, nig_stats);
- struct nig_stats *old = &(bp->port.old_nig_stats);
- struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
- struct bnx2x_eth_stats *estats = &bp->eth_stats;
- struct regpair diff;
- if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
- bnx2x_bmac_stats_update(bp);
- else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
- bnx2x_emac_stats_update(bp);
- else { /* unreached */
- BNX2X_ERR("stats updated by dmae but no MAC active\n");
- return -1;
- }
- ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
- new->brb_discard - old->brb_discard);
- ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
- new->brb_truncate - old->brb_truncate);
- UPDATE_STAT64_NIG(egress_mac_pkt0,
- etherstatspkts1024octetsto1522octets);
- UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
- memcpy(old, new, sizeof(struct nig_stats));
- memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
- sizeof(struct mac_stx));
- estats->brb_drop_hi = pstats->brb_drop_hi;
- estats->brb_drop_lo = pstats->brb_drop_lo;
- pstats->host_port_stats_start = ++pstats->host_port_stats_end;
- return 0;
- }
- static int bnx2x_storm_stats_update(struct bnx2x *bp)
- {
- struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
- int cl_id = BP_CL_ID(bp);
- struct tstorm_per_port_stats *tport =
- &stats->tstorm_common.port_statistics;
- struct tstorm_per_client_stats *tclient =
- &stats->tstorm_common.client_statistics[cl_id];
- struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
- struct xstorm_per_client_stats *xclient =
- &stats->xstorm_common.client_statistics[cl_id];
- struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
- struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
- struct bnx2x_eth_stats *estats = &bp->eth_stats;
- u32 diff;
- /* are storm stats valid? */
- if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
- bp->stats_counter) {
- DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
- " tstorm counter (%d) != stats_counter (%d)\n",
- tclient->stats_counter, bp->stats_counter);
- return -1;
- }
- if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
- bp->stats_counter) {
- DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
- " xstorm counter (%d) != stats_counter (%d)\n",
- xclient->stats_counter, bp->stats_counter);
- return -2;
- }
- fstats->total_bytes_received_hi =
- fstats->valid_bytes_received_hi =
- le32_to_cpu(tclient->total_rcv_bytes.hi);
- fstats->total_bytes_received_lo =
- fstats->valid_bytes_received_lo =
- le32_to_cpu(tclient->total_rcv_bytes.lo);
- estats->error_bytes_received_hi =
- le32_to_cpu(tclient->rcv_error_bytes.hi);
- estats->error_bytes_received_lo =
- le32_to_cpu(tclient->rcv_error_bytes.lo);
- ADD_64(estats->error_bytes_received_hi,
- estats->rx_stat_ifhcinbadoctets_hi,
- estats->error_bytes_received_lo,
- estats->rx_stat_ifhcinbadoctets_lo);
- ADD_64(fstats->total_bytes_received_hi,
- estats->error_bytes_received_hi,
- fstats->total_bytes_received_lo,
- estats->error_bytes_received_lo);
- UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
- UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
- total_multicast_packets_received);
- UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
- total_broadcast_packets_received);
- fstats->total_bytes_transmitted_hi =
- le32_to_cpu(xclient->total_sent_bytes.hi);
- fstats->total_bytes_transmitted_lo =
- le32_to_cpu(xclient->total_sent_bytes.lo);
- UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
- total_unicast_packets_transmitted);
- UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
- total_multicast_packets_transmitted);
- UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
- total_broadcast_packets_transmitted);
- memcpy(estats, &(fstats->total_bytes_received_hi),
- sizeof(struct host_func_stats) - 2*sizeof(u32));
- estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
- estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
- estats->brb_truncate_discard =
- le32_to_cpu(tport->brb_truncate_discard);
- estats->mac_discard = le32_to_cpu(tport->mac_discard);
- old_tclient->rcv_unicast_bytes.hi =
- le32_to_cpu(tclient->rcv_unicast_bytes.hi);
- old_tclient->rcv_unicast_bytes.lo =
- le32_to_cpu(tclient->rcv_unicast_bytes.lo);
- old_tclient->rcv_broadcast_bytes.hi =
- le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
- old_tclient->rcv_broadcast_bytes.lo =
- le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
- old_tclient->rcv_multicast_bytes.hi =
- le32_to_cpu(tclient->rcv_multicast_bytes.hi);
- old_tclient->rcv_multicast_bytes.lo =
- le32_to_cpu(tclient->rcv_multicast_bytes.lo);
- old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
- old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
- old_tclient->packets_too_big_discard =
- le32_to_cpu(tclient->packets_too_big_discard);
- estats->no_buff_discard =
- old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
- old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
- old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
- old_xclient->unicast_bytes_sent.hi =
- le32_to_cpu(xclient->unicast_bytes_sent.hi);
- old_xclient->unicast_bytes_sent.lo =
- le32_to_cpu(xclient->unicast_bytes_sent.lo);
- old_xclient->multicast_bytes_sent.hi =
- le32_to_cpu(xclient->multicast_bytes_sent.hi);
- old_xclient->multicast_bytes_sent.lo =
- le32_to_cpu(xclient->multicast_bytes_sent.lo);
- old_xclient->broadcast_bytes_sent.hi =
- le32_to_cpu(xclient->broadcast_bytes_sent.hi);
- old_xclient->broadcast_bytes_sent.lo =
- le32_to_cpu(xclient->broadcast_bytes_sent.lo);
- fstats->host_func_stats_start = ++fstats->host_func_stats_end;
- return 0;
- }
- static void bnx2x_net_stats_update(struct bnx2x *bp)
- {
- struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
- struct bnx2x_eth_stats *estats = &bp->eth_stats;
- struct net_device_stats *nstats = &bp->dev->stats;
- nstats->rx_packets =
- bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
- bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
- bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
- nstats->tx_packets =
- bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
- bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
- bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
- nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
- nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
- nstats->rx_dropped = old_tclient->checksum_discard +
- estats->mac_discard;
- nstats->tx_dropped = 0;
- nstats->multicast =
- bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
- nstats->collisions =
- estats->tx_stat_dot3statssinglecollisionframes_lo +
- estats->tx_stat_dot3statsmultiplecollisionframes_lo +
- estats->tx_stat_dot3statslatecollisions_lo +
- estats->tx_stat_dot3statsexcessivecollisions_lo;
- estats->jabber_packets_received =
- old_tclient->packets_too_big_discard +
- estats->rx_stat_dot3statsframestoolong_lo;
- nstats->rx_length_errors =
- estats->rx_stat_etherstatsundersizepkts_lo +
- estats->jabber_packets_received;
- nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
- nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
- nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
- nstats->rx_fifo_errors = old_tclient->no_buff_discard;
- nstats->rx_missed_errors = estats->xxoverflow_discard;
- nstats->rx_errors = nstats->rx_length_errors +
- nstats->rx_over_errors +
- nstats->rx_crc_errors +
- nstats->rx_frame_errors +
- nstats->rx_fifo_errors +
- nstats->rx_missed_errors;
- nstats->tx_aborted_errors =
- estats->tx_stat_dot3statslatecollisions_lo +
- estats->tx_stat_dot3statsexcessivecollisions_lo;
- nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
- nstats->tx_fifo_errors = 0;
- nstats->tx_heartbeat_errors = 0;
- nstats->tx_window_errors = 0;
- nstats->tx_errors = nstats->tx_aborted_errors +
- nstats->tx_carrier_errors;
- }
- static void bnx2x_stats_update(struct bnx2x *bp)
- {
- u32 *stats_comp = bnx2x_sp(bp, stats_comp);
- int update = 0;
- if (*stats_comp != DMAE_COMP_VAL)
- return;
- if (bp->port.pmf)
- update = (bnx2x_hw_stats_update(bp) == 0);
- update |= (bnx2x_storm_stats_update(bp) == 0);
- if (update)
- bnx2x_net_stats_update(bp);
- else {
- if (bp->stats_pending) {
- bp->stats_pending++;
- if (bp->stats_pending == 3) {
- BNX2X_ERR("stats not updated for 3 times\n");
- bnx2x_panic();
- return;
- }
- }
- }
- if (bp->msglevel & NETIF_MSG_TIMER) {
- struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
- struct bnx2x_eth_stats *estats = &bp->eth_stats;
- struct net_device_stats *nstats = &bp->dev->stats;
- int i;
- printk(KERN_DEBUG "%s:\n", bp->dev->name);
- printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
- " tx pkt (%lx)\n",
- bnx2x_tx_avail(bp->fp),
- le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
- printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
- " rx pkt (%lx)\n",
- (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
- bp->fp->rx_comp_cons),
- le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
- printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
- netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
- estats->driver_xoff, estats->brb_drop_lo);
- printk(KERN_DEBUG "tstats: checksum_discard %u "
- "packets_too_big_discard %u no_buff_discard %u "
- "mac_discard %u mac_filter_discard %u "
- "xxovrflow_discard %u brb_truncate_discard %u "
- "ttl0_discard %u\n",
- old_tclient->checksum_discard,
- old_tclient->packets_too_big_discard,
- old_tclient->no_buff_discard, estats->mac_discard,
- estats->mac_filter_discard, estats->xxoverflow_discard,
- estats->brb_truncate_discard,
- old_tclient->ttl0_discard);
- for_each_queue(bp, i) {
- printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
- bnx2x_fp(bp, i, tx_pkt),
- bnx2x_fp(bp, i, rx_pkt),
- bnx2x_fp(bp, i, rx_calls));
- }
- }
- bnx2x_hw_stats_post(bp);
- bnx2x_storm_stats_post(bp);
- }
- static void bnx2x_port_stats_stop(struct bnx2x *bp)
- {
- struct dmae_command *dmae;
- u32 opcode;
- int loader_idx = PMF_DMAE_C(bp);
- u32 *stats_comp = bnx2x_sp(bp, stats_comp);
- bp->executer_idx = 0;
- opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
- DMAE_CMD_C_ENABLE |
- DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
- #ifdef __BIG_ENDIAN
- DMAE_CMD_ENDIANITY_B_DW_SWAP |
- #else
- DMAE_CMD_ENDIANITY_DW_SWAP |
- #endif
- (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
- (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
- if (bp->port.port_stx) {
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- if (bp->func_stx)
- dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
- else
- dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
- dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
- dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
- dmae->dst_addr_lo = bp->port.port_stx >> 2;
- dmae->dst_addr_hi = 0;
- dmae->len = sizeof(struct host_port_stats) >> 2;
- if (bp->func_stx) {
- dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
- dmae->comp_addr_hi = 0;
- dmae->comp_val = 1;
- } else {
- dmae->comp_addr_lo =
- U64_LO(bnx2x_sp_mapping(bp, stats_comp));
- dmae->comp_addr_hi =
- U64_HI(bnx2x_sp_mapping(bp, stats_comp));
- dmae->comp_val = DMAE_COMP_VAL;
- *stats_comp = 0;
- }
- }
- if (bp->func_stx) {
- dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
- dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
- dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
- dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
- dmae->dst_addr_lo = bp->func_stx >> 2;
- dmae->dst_addr_hi = 0;
- dmae->len = sizeof(struct host_func_stats) >> 2;
- dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
- dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
- dmae->comp_val = DMAE_COMP_VAL;
- *stats_comp = 0;
- }
- }
- static void bnx2x_stats_stop(struct bnx2x *bp)
- {
- int update = 0;
- bnx2x_stats_comp(bp);
- if (bp->port.pmf)
- update = (bnx2x_hw_stats_update(bp) == 0);
- update |= (bnx2x_storm_stats_update(bp) == 0);
- if (update) {
- bnx2x_net_stats_update(bp);
- if (bp->port.pmf)
- bnx2x_port_stats_stop(bp);
- bnx2x_hw_stats_post(bp);
- bnx2x_stats_comp(bp);
- }
- }
- static void bnx2x_stats_do_nothing(struct bnx2x *bp)
- {
- }
- static const struct {
- void (*action)(struct bnx2x *bp);
- enum bnx2x_stats_state next_state;
- } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
- /* state event */
- {
- /* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
- /* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
- /* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
- /* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
- },
- {
- /* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
- /* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
- /* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
- /* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
- }
- };
- static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
- {
- enum bnx2x_stats_state state = bp->stats_state;
- bnx2x_stats_stm[state][event].action(bp);
- bp->stats_state = bnx2x_stats_stm[state][event].next_state;
- if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
- DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
- state, event, bp->stats_state);
- }
- static void bnx2x_timer(unsigned long data)
- {
- struct bnx2x *bp = (struct bnx2x *) data;
- if (!netif_running(bp->dev))
- return;
- if (atomic_read(&bp->intr_sem) != 0)
- goto timer_restart;
- if (poll) {
- struct bnx2x_fastpath *fp = &bp->fp[0];
- int rc;
- bnx2x_tx_int(fp, 1000);
- rc = bnx2x_rx_int(fp, 1000);
- }
- if (!BP_NOMCP(bp)) {
- int func = BP_FUNC(bp);
- u32 drv_pulse;
- u32 mcp_pulse;
- ++bp->fw_drv_pulse_wr_seq;
- bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
- /* TBD - add SYSTEM_TIME */
- drv_pulse = bp->fw_drv_pulse_wr_seq;
- SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
- mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
- MCP_PULSE_SEQ_MASK);
- /* The delta between driver pulse and mcp response
- * should be 1 (before mcp response) or 0 (after mcp response)
- */
- if ((drv_pulse != mcp_pulse) &&
- (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
- /* someone lost a heartbeat... */
- BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
- drv_pulse, mcp_pulse);
- }
- }
- if ((bp->state == BNX2X_STATE_OPEN) ||
- (bp->state == BNX2X_STATE_DISABLED))
- bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
- timer_restart:
- mod_timer(&bp->timer, jiffies + bp->current_interval);
- }
- /* end of Statistics */
- /* nic init */
- /*
- * nic init service functions
- */
- static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
- {
- int port = BP_PORT(bp);
- bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
- USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
- sizeof(struct ustorm_status_block)/4);
- bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
- CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
- sizeof(struct cstorm_status_block)/4);
- }
- static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
- dma_addr_t mapping, int sb_id)
- {
- int port = BP_PORT(bp);
- int func = BP_FUNC(bp);
- int index;
- u64 section;
- /* USTORM */
- section = ((u64)mapping) + offsetof(struct host_status_block,
- u_status_block);
- sb->u_status_block.status_block_id = sb_id;
- REG_WR(bp, BAR_USTRORM_INTMEM +
- USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
- REG_WR(bp, BAR_USTRORM_INTMEM +
- ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
- U64_HI(section));
- REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
- USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
- for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
- REG_WR16(bp, BAR_USTRORM_INTMEM +
- USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
- /* CSTORM */
- section = ((u64)mapping) + offsetof(struct host_status_block,
- c_status_block);
- sb->c_status_block.status_block_id = sb_id;
- REG_WR(bp, BAR_CSTRORM_INTMEM +
- CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
- REG_WR(bp, BAR_CSTRORM_INTMEM +
- ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
- U64_HI(section));
- REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
- CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
- for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
- REG_WR16(bp, BAR_CSTRORM_INTMEM +
- CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
- bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
- }
- static void bnx2x_zero_def_sb(struct bnx2x *bp)
- {
- int func = BP_FUNC(bp);
- bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
- USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
- sizeof(struct ustorm_def_status_block)/4);
- bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
- CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
- sizeof(struct cstorm_def_status_block)/4);
- bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
- XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
- sizeof(struct xstorm_def_status_block)/4);
- bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
- TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
- sizeof(struct tstorm_def_status_block)/4);
- }
- static void bnx2x_init_def_sb(struct bnx2x *bp,
- struct host_def_status_block *def_sb,
- dma_addr_t mapping, int sb_id)
- {
- int port = BP_PORT(bp);
- int func = BP_FUNC(bp);
- int index, val, reg_offset;
- u64 section;
- /* ATTN */
- section = ((u64)mapping) + offsetof(struct host_def_status_block,
- atten_status_block);
- def_sb->atten_status_block.status_block_id = sb_id;
- bp->attn_state = 0;
- reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
- MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
- for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
- bp->attn_group[index].sig[0] = REG_RD(bp,
- reg_offset + 0x10*index);
- bp->attn_group[index].sig[1] = REG_RD(bp,
- reg_offset + 0x4 + 0x10*index);
- bp->attn_group[index].sig[2] = REG_RD(bp,
- reg_offset + 0x8 + 0x10*index);
- bp->attn_group[index].sig[3] = REG_RD(bp,
- reg_offset + 0xc + 0x10*index);
- }
- reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
- HC_REG_ATTN_MSG0_ADDR_L);
- REG_WR(bp, reg_offset, U64_LO(section));
- REG_WR(bp, reg_offset + 4, U64_HI(section));
- reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
- val = REG_RD(bp, reg_offset);
- val |= sb_id;
- REG_WR(bp, reg_offset, val);
- /* USTORM */
- section = ((u64)mapping) + offsetof(struct host_def_status_block,
- u_def_status_block);
- def_sb->u_def_status_block.status_block_id = sb_id;
- REG_WR(bp, BAR_USTRORM_INTMEM +
- USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
- REG_WR(bp, BAR_USTRORM_INTMEM +
- ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
- U64_HI(section));
- REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
- USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
- for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
- REG_WR16(bp, BAR_USTRORM_INTMEM +
- USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
- /* CSTORM */
- section = ((u64)mapping) + offsetof(struct host_def_status_block,
- c_def_status_block);
- def_sb->c_def_status_block.status_block_id = sb_id;
- REG_WR(bp, BAR_CSTRORM_INTMEM +
- CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
- REG_WR(bp, BAR_CSTRORM_INTMEM +
- ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
- U64_HI(section));
- REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
- CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
- for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
- REG_WR16(bp, BAR_CSTRORM_INTMEM +
- CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
- /* TSTORM */
- section = ((u64)mapping) + offsetof(struct host_def_status_block,
- t_def_status_block);
- def_sb->t_def_status_block.status_block_id = sb_id;
- REG_WR(bp, BAR_TSTRORM_INTMEM +
- TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
- REG_WR(bp, BAR_TSTRORM_INTMEM +
- ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
- U64_HI(section));
- REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
- TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
- for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
- REG_WR16(bp, BAR_TSTRORM_INTMEM +
- TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
- /* XSTORM */
- section = ((u64)mapping) + offsetof(struct host_def_status_block,
- x_def_status_block);
- def_sb->x_def_status_block.status_block_id = sb_id;
- REG_WR(bp, BAR_XSTRORM_INTMEM +
- XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
- REG_WR(bp, BAR_XSTRORM_INTMEM +
- ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
- U64_HI(section));
- REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
- XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
- for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
- REG_WR16(bp, BAR_XSTRORM_INTMEM +
- XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
- bp->stats_pending = 0;
- bp->set_mac_pending = 0;
- bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
- }
- static void bnx2x_update_coalesce(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- int i;
- for_each_queue(bp, i) {
- int sb_id = bp->fp[i].sb_id;
- /* HC_INDEX_U_ETH_RX_CQ_CONS */
- REG_WR8(bp, BAR_USTRORM_INTMEM +
- USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
- U_SB_ETH_RX_CQ_INDEX),
- bp->rx_ticks/12);
- REG_WR16(bp, BAR_USTRORM_INTMEM +
- USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
- U_SB_ETH_RX_CQ_INDEX),
- bp->rx_ticks ? 0 : 1);
- REG_WR16(bp, BAR_USTRORM_INTMEM +
- USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
- U_SB_ETH_RX_BD_INDEX),
- bp->rx_ticks ? 0 : 1);
- /* HC_INDEX_C_ETH_TX_CQ_CONS */
- REG_WR8(bp, BAR_CSTRORM_INTMEM +
- CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
- C_SB_ETH_TX_CQ_INDEX),
- bp->tx_ticks/12);
- REG_WR16(bp, BAR_CSTRORM_INTMEM +
- CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
- C_SB_ETH_TX_CQ_INDEX),
- bp->tx_ticks ? 0 : 1);
- }
- }
- static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
- struct bnx2x_fastpath *fp, int last)
- {
- int i;
- for (i = 0; i < last; i++) {
- struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
- struct sk_buff *skb = rx_buf->skb;
- if (skb == NULL) {
- DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
- continue;
- }
- if (fp->tpa_state[i] == BNX2X_TPA_START)
- pci_unmap_single(bp->pdev,
- pci_unmap_addr(rx_buf, mapping),
- bp->rx_buf_size,
- PCI_DMA_FROMDEVICE);
- dev_kfree_skb(skb);
- rx_buf->skb = NULL;
- }
- }
- static void bnx2x_init_rx_rings(struct bnx2x *bp)
- {
- int func = BP_FUNC(bp);
- int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
- ETH_MAX_AGGREGATION_QUEUES_E1H;
- u16 ring_prod, cqe_ring_prod;
- int i, j;
- bp->rx_buf_size = bp->dev->mtu;
- bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
- BCM_RX_ETH_PAYLOAD_ALIGN;
- if (bp->flags & TPA_ENABLE_FLAG) {
- DP(NETIF_MSG_IFUP,
- "rx_buf_size %d effective_mtu %d\n",
- bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
- for_each_queue(bp, j) {
- struct bnx2x_fastpath *fp = &bp->fp[j];
- for (i = 0; i < max_agg_queues; i++) {
- fp->tpa_pool[i].skb =
- netdev_alloc_skb(bp->dev, bp->rx_buf_size);
- if (!fp->tpa_pool[i].skb) {
- BNX2X_ERR("Failed to allocate TPA "
- "skb pool for queue[%d] - "
- "disabling TPA on this "
- "queue!\n", j);
- bnx2x_free_tpa_pool(bp, fp, i);
- fp->disable_tpa = 1;
- break;
- }
- pci_unmap_addr_set((struct sw_rx_bd *)
- &bp->fp->tpa_pool[i],
- mapping, 0);
- fp->tpa_state[i] = BNX2X_TPA_STOP;
- }
- }
- }
- for_each_queue(bp, j) {
- struct bnx2x_fastpath *fp = &bp->fp[j];
- fp->rx_bd_cons = 0;
- fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
- fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
- /* "next page" elements initialization */
- /* SGE ring */
- for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
- struct eth_rx_sge *sge;
- sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
- sge->addr_hi =
- cpu_to_le32(U64_HI(fp->rx_sge_mapping +
- BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
- sge->addr_lo =
- cpu_to_le32(U64_LO(fp->rx_sge_mapping +
- BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
- }
- bnx2x_init_sge_ring_bit_mask(fp);
- /* RX BD ring */
- for (i = 1; i <= NUM_RX_RINGS; i++) {
- struct eth_rx_bd *rx_bd;
- rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
- rx_bd->addr_hi =
- cpu_to_le32(U64_HI(fp->rx_desc_mapping +
- BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
- rx_bd->addr_lo =
- cpu_to_le32(U64_LO(fp->rx_desc_mapping +
- BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
- }
- /* CQ ring */
- for (i = 1; i <= NUM_RCQ_RINGS; i++) {
- struct eth_rx_cqe_next_page *nextpg;
- nextpg = (struct eth_rx_cqe_next_page *)
- &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
- nextpg->addr_hi =
- cpu_to_le32(U64_HI(fp->rx_comp_mapping +
- BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
- nextpg->addr_lo =
- cpu_to_le32(U64_LO(fp->rx_comp_mapping +
- BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
- }
- /* Allocate SGEs and initialize the ring elements */
- for (i = 0, ring_prod = 0;
- i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
- if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
- BNX2X_ERR("was only able to allocate "
- "%d rx sges\n", i);
- BNX2X_ERR("disabling TPA for queue[%d]\n", j);
- /* Cleanup already allocated elements */
- bnx2x_free_rx_sge_range(bp, fp, ring_prod);
- bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
- fp->disable_tpa = 1;
- ring_prod = 0;
- break;
- }
- ring_prod = NEXT_SGE_IDX(ring_prod);
- }
- fp->rx_sge_prod = ring_prod;
- /* Allocate BDs and initialize BD ring */
- fp->rx_comp_cons = 0;
- cqe_ring_prod = ring_prod = 0;
- for (i = 0; i < bp->rx_ring_size; i++) {
- if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
- BNX2X_ERR("was only able to allocate "
- "%d rx skbs\n", i);
- bp->eth_stats.rx_skb_alloc_failed++;
- break;
- }
- ring_prod = NEXT_RX_IDX(ring_prod);
- cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
- WARN_ON(ring_prod <= i);
- }
- fp->rx_bd_prod = ring_prod;
- /* must not have more available CQEs than BDs */
- fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
- cqe_ring_prod);
- fp->rx_pkt = fp->rx_calls = 0;
- /* Warning!
- * this will generate an interrupt (to the TSTORM)
- * must only be done after chip is initialized
- */
- bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
- fp->rx_sge_prod);
- if (j != 0)
- continue;
- REG_WR(bp, BAR_USTRORM_INTMEM +
- USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
- U64_LO(fp->rx_comp_mapping));
- REG_WR(bp, BAR_USTRORM_INTMEM +
- USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
- U64_HI(fp->rx_comp_mapping));
- }
- }
- static void bnx2x_init_tx_ring(struct bnx2x *bp)
- {
- int i, j;
- for_each_queue(bp, j) {
- struct bnx2x_fastpath *fp = &bp->fp[j];
- for (i = 1; i <= NUM_TX_RINGS; i++) {
- struct eth_tx_bd *tx_bd =
- &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
- tx_bd->addr_hi =
- cpu_to_le32(U64_HI(fp->tx_desc_mapping +
- BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
- tx_bd->addr_lo =
- cpu_to_le32(U64_LO(fp->tx_desc_mapping +
- BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
- }
- fp->tx_pkt_prod = 0;
- fp->tx_pkt_cons = 0;
- fp->tx_bd_prod = 0;
- fp->tx_bd_cons = 0;
- fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
- fp->tx_pkt = 0;
- }
- }
- static void bnx2x_init_sp_ring(struct bnx2x *bp)
- {
- int func = BP_FUNC(bp);
- spin_lock_init(&bp->spq_lock);
- bp->spq_left = MAX_SPQ_PENDING;
- bp->spq_prod_idx = 0;
- bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
- bp->spq_prod_bd = bp->spq;
- bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
- REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
- U64_LO(bp->spq_mapping));
- REG_WR(bp,
- XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
- U64_HI(bp->spq_mapping));
- REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
- bp->spq_prod_idx);
- }
- static void bnx2x_init_context(struct bnx2x *bp)
- {
- int i;
- for_each_queue(bp, i) {
- struct eth_context *context = bnx2x_sp(bp, context[i].eth);
- struct bnx2x_fastpath *fp = &bp->fp[i];
- u8 sb_id = FP_SB_ID(fp);
- context->xstorm_st_context.tx_bd_page_base_hi =
- U64_HI(fp->tx_desc_mapping);
- context->xstorm_st_context.tx_bd_page_base_lo =
- U64_LO(fp->tx_desc_mapping);
- context->xstorm_st_context.db_data_addr_hi =
- U64_HI(fp->tx_prods_mapping);
- context->xstorm_st_context.db_data_addr_lo =
- U64_LO(fp->tx_prods_mapping);
- context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
- XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
- context->ustorm_st_context.common.sb_index_numbers =
- BNX2X_RX_SB_INDEX_NUM;
- context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
- context->ustorm_st_context.common.status_block_id = sb_id;
- context->ustorm_st_context.common.flags =
- USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
- context->ustorm_st_context.common.mc_alignment_size =
- BCM_RX_ETH_PAYLOAD_ALIGN;
- context->ustorm_st_context.common.bd_buff_size =
- bp->rx_buf_size;
- context->ustorm_st_context.common.bd_page_base_hi =
- U64_HI(fp->rx_desc_mapping);
- context->ustorm_st_context.common.bd_page_base_lo =
- U64_LO(fp->rx_desc_mapping);
- if (!fp->disable_tpa) {
- context->ustorm_st_context.common.flags |=
- (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
- USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
- context->ustorm_st_context.common.sge_buff_size =
- (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
- context->ustorm_st_context.common.sge_page_base_hi =
- U64_HI(fp->rx_sge_mapping);
- context->ustorm_st_context.common.sge_page_base_lo =
- U64_LO(fp->rx_sge_mapping);
- }
- context->cstorm_st_context.sb_index_number =
- C_SB_ETH_TX_CQ_INDEX;
- context->cstorm_st_context.status_block_id = sb_id;
- context->xstorm_ag_context.cdu_reserved =
- CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
- CDU_REGION_NUMBER_XCM_AG,
- ETH_CONNECTION_TYPE);
- context->ustorm_ag_context.cdu_usage =
- CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
- CDU_REGION_NUMBER_UCM_AG,
- ETH_CONNECTION_TYPE);
- }
- }
- static void bnx2x_init_ind_table(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- int i;
- if (!is_multi(bp))
- return;
- DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
- for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
- REG_WR8(bp, BAR_TSTRORM_INTMEM +
- TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
- i % bp->num_queues);
- REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
- }
- static void bnx2x_set_client_config(struct bnx2x *bp)
- {
- struct tstorm_eth_client_config tstorm_client = {0};
- int port = BP_PORT(bp);
- int i;
- tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
- tstorm_client.statistics_counter_id = BP_CL_ID(bp);
- tstorm_client.config_flags =
- TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
- #ifdef BCM_VLAN
- if (bp->rx_mode && bp->vlgrp) {
- tstorm_client.config_flags |=
- TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
- DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
- }
- #endif
- if (bp->flags & TPA_ENABLE_FLAG) {
- tstorm_client.max_sges_for_packet =
- BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
- tstorm_client.max_sges_for_packet =
- ((tstorm_client.max_sges_for_packet +
- PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
- PAGES_PER_SGE_SHIFT;
- tstorm_client.config_flags |=
- TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
- }
- for_each_queue(bp, i) {
- REG_WR(bp, BAR_TSTRORM_INTMEM +
- TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
- ((u32 *)&tstorm_client)[0]);
- REG_WR(bp, BAR_TSTRORM_INTMEM +
- TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
- ((u32 *)&tstorm_client)[1]);
- }
- DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
- ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
- }
- static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
- {
- struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
- int mode = bp->rx_mode;
- int mask = (1 << BP_L_ID(bp));
- int func = BP_FUNC(bp);
- int i;
- DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
- switch (mode) {
- case BNX2X_RX_MODE_NONE: /* no Rx */
- tstorm_mac_filter.ucast_drop_all = mask;
- tstorm_mac_filter.mcast_drop_all = mask;
- tstorm_mac_filter.bcast_drop_all = mask;
- break;
- case BNX2X_RX_MODE_NORMAL:
- tstorm_mac_filter.bcast_accept_all = mask;
- break;
- case BNX2X_RX_MODE_ALLMULTI:
- tstorm_mac_filter.mcast_accept_all = mask;
- tstorm_mac_filter.bcast_accept_all = mask;
- break;
- case BNX2X_RX_MODE_PROMISC:
- tstorm_mac_filter.ucast_accept_all = mask;
- tstorm_mac_filter.mcast_accept_all = mask;
- tstorm_mac_filter.bcast_accept_all = mask;
- break;
- default:
- BNX2X_ERR("BAD rx mode (%d)\n", mode);
- break;
- }
- for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
- REG_WR(bp, BAR_TSTRORM_INTMEM +
- TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
- ((u32 *)&tstorm_mac_filter)[i]);
- /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
- ((u32 *)&tstorm_mac_filter)[i]); */
- }
- if (mode != BNX2X_RX_MODE_NONE)
- bnx2x_set_client_config(bp);
- }
- static void bnx2x_init_internal_common(struct bnx2x *bp)
- {
- int i;
- if (bp->flags & TPA_ENABLE_FLAG) {
- struct tstorm_eth_tpa_exist tpa = {0};
- tpa.tpa_exist = 1;
- REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
- ((u32 *)&tpa)[0]);
- REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
- ((u32 *)&tpa)[1]);
- }
- /* Zero this manually as its initialization is
- currently missing in the initTool */
- for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
- REG_WR(bp, BAR_USTRORM_INTMEM +
- USTORM_AGG_DATA_OFFSET + i * 4, 0);
- }
- static void bnx2x_init_internal_port(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
- REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
- REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
- REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
- }
- static void bnx2x_init_internal_func(struct bnx2x *bp)
- {
- struct tstorm_eth_function_common_config tstorm_config = {0};
- struct stats_indication_flags stats_flags = {0};
- int port = BP_PORT(bp);
- int func = BP_FUNC(bp);
- int i;
- u16 max_agg_size;
- if (is_multi(bp)) {
- tstorm_config.config_flags = MULTI_FLAGS;
- tstorm_config.rss_result_mask = MULTI_MASK;
- }
- tstorm_config.leading_client_id = BP_L_ID(bp);
- REG_WR(bp, BAR_TSTRORM_INTMEM +
- TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
- (*(u32 *)&tstorm_config));
- bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
- bnx2x_set_storm_rx_mode(bp);
- /* reset xstorm per client statistics */
- for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
- REG_WR(bp, BAR_XSTRORM_INTMEM +
- XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
- i*4, 0);
- }
- /* reset tstorm per client statistics */
- for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
- REG_WR(bp, BAR_TSTRORM_INTMEM +
- TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
- i*4, 0);
- }
- /* Init statistics related context */
- stats_flags.collect_eth = 1;
- REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
- ((u32 *)&stats_flags)[0]);
- REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
- ((u32 *)&stats_flags)[1]);
- REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
- ((u32 *)&stats_flags)[0]);
- REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
- ((u32 *)&stats_flags)[1]);
- REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
- ((u32 *)&stats_flags)[0]);
- REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
- ((u32 *)&stats_flags)[1]);
- REG_WR(bp, BAR_XSTRORM_INTMEM +
- XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
- U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
- REG_WR(bp, BAR_XSTRORM_INTMEM +
- XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
- U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
- REG_WR(bp, BAR_TSTRORM_INTMEM +
- TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
- U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
- REG_WR(bp, BAR_TSTRORM_INTMEM +
- TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
- U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
- if (CHIP_IS_E1H(bp)) {
- REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
- IS_E1HMF(bp));
- REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
- IS_E1HMF(bp));
- REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
- IS_E1HMF(bp));
- REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
- IS_E1HMF(bp));
- REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
- bp->e1hov);
- }
- /* Init CQ ring mapping and aggregation size */
- max_agg_size = min((u32)(bp->rx_buf_size +
- 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
- (u32)0xffff);
- for_each_queue(bp, i) {
- struct bnx2x_fastpath *fp = &bp->fp[i];
- REG_WR(bp, BAR_USTRORM_INTMEM +
- USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
- U64_LO(fp->rx_comp_mapping));
- REG_WR(bp, BAR_USTRORM_INTMEM +
- USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
- U64_HI(fp->rx_comp_mapping));
- REG_WR16(bp, BAR_USTRORM_INTMEM +
- USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
- max_agg_size);
- }
- }
- static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
- {
- switch (load_code) {
- case FW_MSG_CODE_DRV_LOAD_COMMON:
- bnx2x_init_internal_common(bp);
- /* no break */
- case FW_MSG_CODE_DRV_LOAD_PORT:
- bnx2x_init_internal_port(bp);
- /* no break */
- case FW_MSG_CODE_DRV_LOAD_FUNCTION:
- bnx2x_init_internal_func(bp);
- break;
- default:
- BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
- break;
- }
- }
- static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
- {
- int i;
- for_each_queue(bp, i) {
- struct bnx2x_fastpath *fp = &bp->fp[i];
- fp->bp = bp;
- fp->state = BNX2X_FP_STATE_CLOSED;
- fp->index = i;
- fp->cl_id = BP_L_ID(bp) + i;
- fp->sb_id = fp->cl_id;
- DP(NETIF_MSG_IFUP,
- "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
- bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
- bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
- FP_SB_ID(fp));
- bnx2x_update_fpsb_idx(fp);
- }
- bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
- DEF_SB_ID);
- bnx2x_update_dsb_idx(bp);
- bnx2x_update_coalesce(bp);
- bnx2x_init_rx_rings(bp);
- bnx2x_init_tx_ring(bp);
- bnx2x_init_sp_ring(bp);
- bnx2x_init_context(bp);
- bnx2x_init_internal(bp, load_code);
- bnx2x_init_ind_table(bp);
- bnx2x_int_enable(bp);
- }
- /* end of nic init */
- /*
- * gzip service functions
- */
- static int bnx2x_gunzip_init(struct bnx2x *bp)
- {
- bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
- &bp->gunzip_mapping);
- if (bp->gunzip_buf == NULL)
- goto gunzip_nomem1;
- bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
- if (bp->strm == NULL)
- goto gunzip_nomem2;
- bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
- GFP_KERNEL);
- if (bp->strm->workspace == NULL)
- goto gunzip_nomem3;
- return 0;
- gunzip_nomem3:
- kfree(bp->strm);
- bp->strm = NULL;
- gunzip_nomem2:
- pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
- bp->gunzip_mapping);
- bp->gunzip_buf = NULL;
- gunzip_nomem1:
- printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
- " un-compression\n", bp->dev->name);
- return -ENOMEM;
- }
- static void bnx2x_gunzip_end(struct bnx2x *bp)
- {
- kfree(bp->strm->workspace);
- kfree(bp->strm);
- bp->strm = NULL;
- if (bp->gunzip_buf) {
- pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
- bp->gunzip_mapping);
- bp->gunzip_buf = NULL;
- }
- }
- static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
- {
- int n, rc;
- /* check gzip header */
- if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
- return -EINVAL;
- n = 10;
- #define FNAME 0x8
- if (zbuf[3] & FNAME)
- while ((zbuf[n++] != 0) && (n < len));
- bp->strm->next_in = zbuf + n;
- bp->strm->avail_in = len - n;
- bp->strm->next_out = bp->gunzip_buf;
- bp->strm->avail_out = FW_BUF_SIZE;
- rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
- if (rc != Z_OK)
- return rc;
- rc = zlib_inflate(bp->strm, Z_FINISH);
- if ((rc != Z_OK) && (rc != Z_STREAM_END))
- printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
- bp->dev->name, bp->strm->msg);
- bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
- if (bp->gunzip_outlen & 0x3)
- printk(KERN_ERR PFX "%s: Firmware decompression error:"
- " gunzip_outlen (%d) not aligned\n",
- bp->dev->name, bp->gunzip_outlen);
- bp->gunzip_outlen >>= 2;
- zlib_inflateEnd(bp->strm);
- if (rc == Z_STREAM_END)
- return 0;
- return rc;
- }
- /* nic load/unload */
- /*
- * General service functions
- */
- /* send a NIG loopback debug packet */
- static void bnx2x_lb_pckt(struct bnx2x *bp)
- {
- u32 wb_write[3];
- /* Ethernet source and destination addresses */
- wb_write[0] = 0x55555555;
- wb_write[1] = 0x55555555;
- wb_write[2] = 0x20; /* SOP */
- REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
- /* NON-IP protocol */
- wb_write[0] = 0x09000000;
- wb_write[1] = 0x55555555;
- wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
- REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
- }
- /* some of the internal memories
- * are not directly readable from the driver
- * to test them we send debug packets
- */
- static int bnx2x_int_mem_test(struct bnx2x *bp)
- {
- int factor;
- int count, i;
- u32 val = 0;
- if (CHIP_REV_IS_FPGA(bp))
- factor = 120;
- else if (CHIP_REV_IS_EMUL(bp))
- factor = 200;
- else
- factor = 1;
- DP(NETIF_MSG_HW, "start part1\n");
- /* Disable inputs of parser neighbor blocks */
- REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
- REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
- REG_WR(bp, CFC_REG_DEBUG0, 0x1);
- REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
- /* Write 0 to parser credits for CFC search request */
- REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
- /* send Ethernet packet */
- bnx2x_lb_pckt(bp);
- /* TODO do i reset NIG statistic? */
- /* Wait until NIG register shows 1 packet of size 0x10 */
- count = 1000 * factor;
- while (count) {
- bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
- val = *bnx2x_sp(bp, wb_data[0]);
- if (val == 0x10)
- break;
- msleep(10);
- count--;
- }
- if (val != 0x10) {
- BNX2X_ERR("NIG timeout val = 0x%x\n", val);
- return -1;
- }
- /* Wait until PRS register shows 1 packet */
- count = 1000 * factor;
- while (count) {
- val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
- if (val == 1)
- break;
- msleep(10);
- count--;
- }
- if (val != 0x1) {
- BNX2X_ERR("PRS timeout val = 0x%x\n", val);
- return -2;
- }
- /* Reset and init BRB, PRS */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
- msleep(50);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
- msleep(50);
- bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
- bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
- DP(NETIF_MSG_HW, "part2\n");
- /* Disable inputs of parser neighbor blocks */
- REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
- REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
- REG_WR(bp, CFC_REG_DEBUG0, 0x1);
- REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
- /* Write 0 to parser credits for CFC search request */
- REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
- /* send 10 Ethernet packets */
- for (i = 0; i < 10; i++)
- bnx2x_lb_pckt(bp);
- /* Wait until NIG register shows 10 + 1
- packets of size 11*0x10 = 0xb0 */
- count = 1000 * factor;
- while (count) {
- bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
- val = *bnx2x_sp(bp, wb_data[0]);
- if (val == 0xb0)
- break;
- msleep(10);
- count--;
- }
- if (val != 0xb0) {
- BNX2X_ERR("NIG timeout val = 0x%x\n", val);
- return -3;
- }
- /* Wait until PRS register shows 2 packets */
- val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
- if (val != 2)
- BNX2X_ERR("PRS timeout val = 0x%x\n", val);
- /* Write 1 to parser credits for CFC search request */
- REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
- /* Wait until PRS register shows 3 packets */
- msleep(10 * factor);
- /* Wait until NIG register shows 1 packet of size 0x10 */
- val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
- if (val != 3)
- BNX2X_ERR("PRS timeout val = 0x%x\n", val);
- /* clear NIG EOP FIFO */
- for (i = 0; i < 11; i++)
- REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
- val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
- if (val != 1) {
- BNX2X_ERR("clear of NIG failed\n");
- return -4;
- }
- /* Reset and init BRB, PRS, NIG */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
- msleep(50);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
- msleep(50);
- bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
- bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
- #ifndef BCM_ISCSI
- /* set NIC mode */
- REG_WR(bp, PRS_REG_NIC_MODE, 1);
- #endif
- /* Enable inputs of parser neighbor blocks */
- REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
- REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
- REG_WR(bp, CFC_REG_DEBUG0, 0x0);
- REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
- DP(NETIF_MSG_HW, "done\n");
- return 0; /* OK */
- }
- static void enable_blocks_attention(struct bnx2x *bp)
- {
- REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
- REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
- REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
- REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
- REG_WR(bp, QM_REG_QM_INT_MASK, 0);
- REG_WR(bp, TM_REG_TM_INT_MASK, 0);
- REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
- REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
- REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
- /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
- /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
- REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
- REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
- REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
- /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
- /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
- REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
- REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
- REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
- REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
- /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
- /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
- if (CHIP_REV_IS_FPGA(bp))
- REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
- else
- REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
- REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
- REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
- REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
- /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
- /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
- REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
- REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
- /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
- REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
- }
- static int bnx2x_init_common(struct bnx2x *bp)
- {
- u32 val, i;
- DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
- bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
- if (CHIP_IS_E1H(bp))
- REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
- REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
- msleep(30);
- REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
- bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
- if (CHIP_IS_E1(bp)) {
- /* enable HW interrupt from PXP on USDM overflow
- bit 16 on INT_MASK_0 */
- REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
- }
- bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
- bnx2x_init_pxp(bp);
- #ifdef __BIG_ENDIAN
- REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
- REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
- REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
- REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
- REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
- REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
- /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
- REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
- REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
- REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
- REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
- #endif
- REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
- #ifdef BCM_ISCSI
- REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
- REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
- REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
- #endif
- if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
- REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
- /* let the HW do it's magic ... */
- msleep(100);
- /* finish PXP init */
- val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
- if (val != 1) {
- BNX2X_ERR("PXP2 CFG failed\n");
- return -EBUSY;
- }
- val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
- if (val != 1) {
- BNX2X_ERR("PXP2 RD_INIT failed\n");
- return -EBUSY;
- }
- REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
- REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
- bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
- /* clean the DMAE memory */
- bp->dmae_ready = 1;
- bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
- bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
- bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
- bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
- bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
- bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
- bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
- bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
- bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
- bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
- /* soft reset pulse */
- REG_WR(bp, QM_REG_SOFT_RESET, 1);
- REG_WR(bp, QM_REG_SOFT_RESET, 0);
- #ifdef BCM_ISCSI
- bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
- #endif
- bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
- REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
- if (!CHIP_REV_IS_SLOW(bp)) {
- /* enable hw interrupt from doorbell Q */
- REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
- }
- bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
- if (CHIP_REV_IS_SLOW(bp)) {
- /* fix for emulation and FPGA for no pause */
- REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
- REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
- REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
- REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
- }
- bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
- /* set NIC mode */
- REG_WR(bp, PRS_REG_NIC_MODE, 1);
- if (CHIP_IS_E1H(bp))
- REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
- bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
- bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
- bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
- bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
- if (CHIP_IS_E1H(bp)) {
- bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- } else { /* E1 */
- bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- }
- bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
- bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
- bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
- bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
- /* sync semi rtc */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
- 0x80000000);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
- 0x80000000);
- bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
- bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
- bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
- REG_WR(bp, SRC_REG_SOFT_RST, 1);
- for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
- REG_WR(bp, i, 0xc0cac01a);
- /* TODO: replace with something meaningful */
- }
- if (CHIP_IS_E1H(bp))
- bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
- REG_WR(bp, SRC_REG_SOFT_RST, 0);
- if (sizeof(union cdu_context) != 1024)
- /* we currently assume that a context is 1024 bytes */
- printk(KERN_ALERT PFX "please adjust the size of"
- " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
- bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
- val = (4 << 24) + (0 << 12) + 1024;
- REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
- if (CHIP_IS_E1(bp)) {
- /* !!! fix pxp client crdit until excel update */
- REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
- REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
- }
- bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
- REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
- bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
- bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
- /* PXPCS COMMON comes here */
- /* Reset PCIE errors for debug */
- REG_WR(bp, 0x2814, 0xffffffff);
- REG_WR(bp, 0x3820, 0xffffffff);
- /* EMAC0 COMMON comes here */
- /* EMAC1 COMMON comes here */
- /* DBU COMMON comes here */
- /* DBG COMMON comes here */
- bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
- if (CHIP_IS_E1H(bp)) {
- REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
- REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
- }
- if (CHIP_REV_IS_SLOW(bp))
- msleep(200);
- /* finish CFC init */
- val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
- if (val != 1) {
- BNX2X_ERR("CFC LL_INIT failed\n");
- return -EBUSY;
- }
- val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
- if (val != 1) {
- BNX2X_ERR("CFC AC_INIT failed\n");
- return -EBUSY;
- }
- val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
- if (val != 1) {
- BNX2X_ERR("CFC CAM_INIT failed\n");
- return -EBUSY;
- }
- REG_WR(bp, CFC_REG_DEBUG0, 0);
- /* read NIG statistic
- to see if this is our first up since powerup */
- bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
- val = *bnx2x_sp(bp, wb_data[0]);
- /* do internal memory self test */
- if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
- BNX2X_ERR("internal mem self test failed\n");
- return -EBUSY;
- }
- switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
- case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
- case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
- /* Fan failure is indicated by SPIO 5 */
- bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
- MISC_REGISTERS_SPIO_INPUT_HI_Z);
- /* set to active low mode */
- val = REG_RD(bp, MISC_REG_SPIO_INT);
- val |= ((1 << MISC_REGISTERS_SPIO_5) <<
- MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
- REG_WR(bp, MISC_REG_SPIO_INT, val);
- /* enable interrupt to signal the IGU */
- val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
- val |= (1 << MISC_REGISTERS_SPIO_5);
- REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
- break;
- default:
- break;
- }
- /* clear PXP2 attentions */
- REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
- enable_blocks_attention(bp);
- if (!BP_NOMCP(bp)) {
- bnx2x_acquire_phy_lock(bp);
- bnx2x_common_init_phy(bp, bp->common.shmem_base);
- bnx2x_release_phy_lock(bp);
- } else
- BNX2X_ERR("Bootcode is missing - can not initialize link\n");
- return 0;
- }
- static int bnx2x_init_port(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- u32 val;
- DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
- REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
- /* Port PXP comes here */
- /* Port PXP2 comes here */
- #ifdef BCM_ISCSI
- /* Port0 1
- * Port1 385 */
- i++;
- wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
- wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
- REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
- REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
- /* Port0 2
- * Port1 386 */
- i++;
- wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
- wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
- REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
- REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
- /* Port0 3
- * Port1 387 */
- i++;
- wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
- wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
- REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
- REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
- #endif
- /* Port CMs come here */
- /* Port QM comes here */
- #ifdef BCM_ISCSI
- REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
- REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
- bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
- func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
- #endif
- /* Port DQ comes here */
- /* Port BRB1 comes here */
- /* Port PRS comes here */
- /* Port TSDM comes here */
- /* Port CSDM comes here */
- /* Port USDM comes here */
- /* Port XSDM comes here */
- bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
- port ? TSEM_PORT1_END : TSEM_PORT0_END);
- bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
- port ? USEM_PORT1_END : USEM_PORT0_END);
- bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
- port ? CSEM_PORT1_END : CSEM_PORT0_END);
- bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
- port ? XSEM_PORT1_END : XSEM_PORT0_END);
- /* Port UPB comes here */
- /* Port XPB comes here */
- bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
- port ? PBF_PORT1_END : PBF_PORT0_END);
- /* configure PBF to work without PAUSE mtu 9000 */
- REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
- /* update threshold */
- REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
- /* update init credit */
- REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
- /* probe changes */
- REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
- msleep(5);
- REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
- #ifdef BCM_ISCSI
- /* tell the searcher where the T2 table is */
- REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
- wb_write[0] = U64_LO(bp->t2_mapping);
- wb_write[1] = U64_HI(bp->t2_mapping);
- REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
- wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
- wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
- REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
- REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
- /* Port SRCH comes here */
- #endif
- /* Port CDU comes here */
- /* Port CFC comes here */
- if (CHIP_IS_E1(bp)) {
- REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
- REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
- }
- bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
- port ? HC_PORT1_END : HC_PORT0_END);
- bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
- MISC_AEU_PORT0_START,
- port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
- /* init aeu_mask_attn_func_0/1:
- * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
- * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
- * bits 4-7 are used for "per vn group attention" */
- REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
- (IS_E1HMF(bp) ? 0xF7 : 0x7));
- /* Port PXPCS comes here */
- /* Port EMAC0 comes here */
- /* Port EMAC1 comes here */
- /* Port DBU comes here */
- /* Port DBG comes here */
- bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
- port ? NIG_PORT1_END : NIG_PORT0_END);
- REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
- if (CHIP_IS_E1H(bp)) {
- u32 wsum;
- struct cmng_struct_per_port m_cmng_port;
- int vn;
- /* 0x2 disable e1hov, 0x1 enable */
- REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
- (IS_E1HMF(bp) ? 0x1 : 0x2));
- /* Init RATE SHAPING and FAIRNESS contexts.
- Initialize as if there is 10G link. */
- wsum = bnx2x_calc_vn_wsum(bp);
- bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
- if (IS_E1HMF(bp))
- for (vn = VN_0; vn < E1HVN_MAX; vn++)
- bnx2x_init_vn_minmax(bp, 2*vn + port,
- wsum, 10000, &m_cmng_port);
- }
- /* Port MCP comes here */
- /* Port DMAE comes here */
- switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
- case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
- case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
- /* add SPIO 5 to group 0 */
- val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
- val |= AEU_INPUTS_ATTN_BITS_SPIO5;
- REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
- break;
- default:
- break;
- }
- bnx2x__link_reset(bp);
- return 0;
- }
- #define ILT_PER_FUNC (768/2)
- #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
- /* the phys address is shifted right 12 bits and has an added
- 1=valid bit added to the 53rd bit
- then since this is a wide register(TM)
- we split it into two 32 bit writes
- */
- #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
- #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
- #define PXP_ONE_ILT(x) (((x) << 10) | x)
- #define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
- #define CNIC_ILT_LINES 0
- static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
- {
- int reg;
- if (CHIP_IS_E1H(bp))
- reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
- else /* E1 */
- reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
- bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
- }
- static int bnx2x_init_func(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- int func = BP_FUNC(bp);
- int i;
- DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
- i = FUNC_ILT_BASE(func);
- bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
- if (CHIP_IS_E1H(bp)) {
- REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
- REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
- } else /* E1 */
- REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
- PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
- if (CHIP_IS_E1H(bp)) {
- for (i = 0; i < 9; i++)
- bnx2x_init_block(bp,
- cm_start[func][i], cm_end[func][i]);
- REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
- REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
- }
- /* HC init per function */
- if (CHIP_IS_E1H(bp)) {
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
- REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
- REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
- }
- bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
- if (CHIP_IS_E1H(bp))
- REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
- /* Reset PCIE errors for debug */
- REG_WR(bp, 0x2114, 0xffffffff);
- REG_WR(bp, 0x2120, 0xffffffff);
- return 0;
- }
- static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
- {
- int i, rc = 0;
- DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
- BP_FUNC(bp), load_code);
- bp->dmae_ready = 0;
- mutex_init(&bp->dmae_mutex);
- bnx2x_gunzip_init(bp);
- switch (load_code) {
- case FW_MSG_CODE_DRV_LOAD_COMMON:
- rc = bnx2x_init_common(bp);
- if (rc)
- goto init_hw_err;
- /* no break */
- case FW_MSG_CODE_DRV_LOAD_PORT:
- bp->dmae_ready = 1;
- rc = bnx2x_init_port(bp);
- if (rc)
- goto init_hw_err;
- /* no break */
- case FW_MSG_CODE_DRV_LOAD_FUNCTION:
- bp->dmae_ready = 1;
- rc = bnx2x_init_func(bp);
- if (rc)
- goto init_hw_err;
- break;
- default:
- BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
- break;
- }
- if (!BP_NOMCP(bp)) {
- int func = BP_FUNC(bp);
- bp->fw_drv_pulse_wr_seq =
- (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
- DRV_PULSE_SEQ_MASK);
- bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
- DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
- bp->fw_drv_pulse_wr_seq, bp->func_stx);
- } else
- bp->func_stx = 0;
- /* this needs to be done before gunzip end */
- bnx2x_zero_def_sb(bp);
- for_each_queue(bp, i)
- bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
- init_hw_err:
- bnx2x_gunzip_end(bp);
- return rc;
- }
- /* send the MCP a request, block until there is a reply */
- static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
- {
- int func = BP_FUNC(bp);
- u32 seq = ++bp->fw_seq;
- u32 rc = 0;
- u32 cnt = 1;
- u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
- SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
- DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
- do {
- /* let the FW do it's magic ... */
- msleep(delay);
- rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
- /* Give the FW up to 2 second (200*10ms) */
- } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
- DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
- cnt*delay, rc, seq);
- /* is this a reply to our command? */
- if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
- rc &= FW_MSG_CODE_MASK;
- } else {
- /* FW BUG! */
- BNX2X_ERR("FW failed to respond!\n");
- bnx2x_fw_dump(bp);
- rc = 0;
- }
- return rc;
- }
- static void bnx2x_free_mem(struct bnx2x *bp)
- {
- #define BNX2X_PCI_FREE(x, y, size) \
- do { \
- if (x) { \
- pci_free_consistent(bp->pdev, size, x, y); \
- x = NULL; \
- y = 0; \
- } \
- } while (0)
- #define BNX2X_FREE(x) \
- do { \
- if (x) { \
- vfree(x); \
- x = NULL; \
- } \
- } while (0)
- int i;
- /* fastpath */
- for_each_queue(bp, i) {
- /* Status blocks */
- BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
- bnx2x_fp(bp, i, status_blk_mapping),
- sizeof(struct host_status_block) +
- sizeof(struct eth_tx_db_data));
- /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
- BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
- BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
- bnx2x_fp(bp, i, tx_desc_mapping),
- sizeof(struct eth_tx_bd) * NUM_TX_BD);
- BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
- BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
- bnx2x_fp(bp, i, rx_desc_mapping),
- sizeof(struct eth_rx_bd) * NUM_RX_BD);
- BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
- bnx2x_fp(bp, i, rx_comp_mapping),
- sizeof(struct eth_fast_path_rx_cqe) *
- NUM_RCQ_BD);
- /* SGE ring */
- BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
- BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
- bnx2x_fp(bp, i, rx_sge_mapping),
- BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
- }
- /* end of fastpath */
- BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
- sizeof(struct host_def_status_block));
- BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
- sizeof(struct bnx2x_slowpath));
- #ifdef BCM_ISCSI
- BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
- BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
- BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
- BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
- #endif
- BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
- #undef BNX2X_PCI_FREE
- #undef BNX2X_KFREE
- }
- static int bnx2x_alloc_mem(struct bnx2x *bp)
- {
- #define BNX2X_PCI_ALLOC(x, y, size) \
- do { \
- x = pci_alloc_consistent(bp->pdev, size, y); \
- if (x == NULL) \
- goto alloc_mem_err; \
- memset(x, 0, size); \
- } while (0)
- #define BNX2X_ALLOC(x, size) \
- do { \
- x = vmalloc(size); \
- if (x == NULL) \
- goto alloc_mem_err; \
- memset(x, 0, size); \
- } while (0)
- int i;
- /* fastpath */
- for_each_queue(bp, i) {
- bnx2x_fp(bp, i, bp) = bp;
- /* Status blocks */
- BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
- &bnx2x_fp(bp, i, status_blk_mapping),
- sizeof(struct host_status_block) +
- sizeof(struct eth_tx_db_data));
- bnx2x_fp(bp, i, hw_tx_prods) =
- (void *)(bnx2x_fp(bp, i, status_blk) + 1);
- bnx2x_fp(bp, i, tx_prods_mapping) =
- bnx2x_fp(bp, i, status_blk_mapping) +
- sizeof(struct host_status_block);
- /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
- BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
- sizeof(struct sw_tx_bd) * NUM_TX_BD);
- BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
- &bnx2x_fp(bp, i, tx_desc_mapping),
- sizeof(struct eth_tx_bd) * NUM_TX_BD);
- BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
- sizeof(struct sw_rx_bd) * NUM_RX_BD);
- BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
- &bnx2x_fp(bp, i, rx_desc_mapping),
- sizeof(struct eth_rx_bd) * NUM_RX_BD);
- BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
- &bnx2x_fp(bp, i, rx_comp_mapping),
- sizeof(struct eth_fast_path_rx_cqe) *
- NUM_RCQ_BD);
- /* SGE ring */
- BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
- sizeof(struct sw_rx_page) * NUM_RX_SGE);
- BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
- &bnx2x_fp(bp, i, rx_sge_mapping),
- BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
- }
- /* end of fastpath */
- BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
- sizeof(struct host_def_status_block));
- BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
- sizeof(struct bnx2x_slowpath));
- #ifdef BCM_ISCSI
- BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
- /* Initialize T1 */
- for (i = 0; i < 64*1024; i += 64) {
- *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
- *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
- }
- /* allocate searcher T2 table
- we allocate 1/4 of alloc num for T2
- (which is not entered into the ILT) */
- BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
- /* Initialize T2 */
- for (i = 0; i < 16*1024; i += 64)
- * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
- /* now fixup the last line in the block to point to the next block */
- *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
- /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
- BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
- /* QM queues (128*MAX_CONN) */
- BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
- #endif
- /* Slow path ring */
- BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
- return 0;
- alloc_mem_err:
- bnx2x_free_mem(bp);
- return -ENOMEM;
- #undef BNX2X_PCI_ALLOC
- #undef BNX2X_ALLOC
- }
- static void bnx2x_free_tx_skbs(struct bnx2x *bp)
- {
- int i;
- for_each_queue(bp, i) {
- struct bnx2x_fastpath *fp = &bp->fp[i];
- u16 bd_cons = fp->tx_bd_cons;
- u16 sw_prod = fp->tx_pkt_prod;
- u16 sw_cons = fp->tx_pkt_cons;
- while (sw_cons != sw_prod) {
- bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
- sw_cons++;
- }
- }
- }
- static void bnx2x_free_rx_skbs(struct bnx2x *bp)
- {
- int i, j;
- for_each_queue(bp, j) {
- struct bnx2x_fastpath *fp = &bp->fp[j];
- for (i = 0; i < NUM_RX_BD; i++) {
- struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
- struct sk_buff *skb = rx_buf->skb;
- if (skb == NULL)
- continue;
- pci_unmap_single(bp->pdev,
- pci_unmap_addr(rx_buf, mapping),
- bp->rx_buf_size,
- PCI_DMA_FROMDEVICE);
- rx_buf->skb = NULL;
- dev_kfree_skb(skb);
- }
- if (!fp->disable_tpa)
- bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
- ETH_MAX_AGGREGATION_QUEUES_E1 :
- ETH_MAX_AGGREGATION_QUEUES_E1H);
- }
- }
- static void bnx2x_free_skbs(struct bnx2x *bp)
- {
- bnx2x_free_tx_skbs(bp);
- bnx2x_free_rx_skbs(bp);
- }
- static void bnx2x_free_msix_irqs(struct bnx2x *bp)
- {
- int i, offset = 1;
- free_irq(bp->msix_table[0].vector, bp->dev);
- DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
- bp->msix_table[0].vector);
- for_each_queue(bp, i) {
- DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
- "state %x\n", i, bp->msix_table[i + offset].vector,
- bnx2x_fp(bp, i, state));
- if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
- BNX2X_ERR("IRQ of fp #%d being freed while "
- "state != closed\n", i);
- free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
- }
- }
- static void bnx2x_free_irq(struct bnx2x *bp)
- {
- if (bp->flags & USING_MSIX_FLAG) {
- bnx2x_free_msix_irqs(bp);
- pci_disable_msix(bp->pdev);
- bp->flags &= ~USING_MSIX_FLAG;
- } else
- free_irq(bp->pdev->irq, bp->dev);
- }
- static int bnx2x_enable_msix(struct bnx2x *bp)
- {
- int i, rc, offset;
- bp->msix_table[0].entry = 0;
- offset = 1;
- DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
- for_each_queue(bp, i) {
- int igu_vec = offset + i + BP_L_ID(bp);
- bp->msix_table[i + offset].entry = igu_vec;
- DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
- "(fastpath #%u)\n", i + offset, igu_vec, i);
- }
- rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
- bp->num_queues + offset);
- if (rc) {
- DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
- return -1;
- }
- bp->flags |= USING_MSIX_FLAG;
- return 0;
- }
- static int bnx2x_req_msix_irqs(struct bnx2x *bp)
- {
- int i, rc, offset = 1;
- rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
- bp->dev->name, bp->dev);
- if (rc) {
- BNX2X_ERR("request sp irq failed\n");
- return -EBUSY;
- }
- for_each_queue(bp, i) {
- rc = request_irq(bp->msix_table[i + offset].vector,
- bnx2x_msix_fp_int, 0,
- bp->dev->name, &bp->fp[i]);
- if (rc) {
- BNX2X_ERR("request fp #%d irq failed rc -%d\n",
- i + offset, -rc);
- bnx2x_free_msix_irqs(bp);
- return -EBUSY;
- }
- bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
- }
- return 0;
- }
- static int bnx2x_req_irq(struct bnx2x *bp)
- {
- int rc;
- rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
- bp->dev->name, bp->dev);
- if (!rc)
- bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
- return rc;
- }
- static void bnx2x_napi_enable(struct bnx2x *bp)
- {
- int i;
- for_each_queue(bp, i)
- napi_enable(&bnx2x_fp(bp, i, napi));
- }
- static void bnx2x_napi_disable(struct bnx2x *bp)
- {
- int i;
- for_each_queue(bp, i)
- napi_disable(&bnx2x_fp(bp, i, napi));
- }
- static void bnx2x_netif_start(struct bnx2x *bp)
- {
- if (atomic_dec_and_test(&bp->intr_sem)) {
- if (netif_running(bp->dev)) {
- if (bp->state == BNX2X_STATE_OPEN)
- netif_wake_queue(bp->dev);
- bnx2x_napi_enable(bp);
- bnx2x_int_enable(bp);
- }
- }
- }
- static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
- {
- bnx2x_int_disable_sync(bp, disable_hw);
- if (netif_running(bp->dev)) {
- bnx2x_napi_disable(bp);
- netif_tx_disable(bp->dev);
- bp->dev->trans_start = jiffies; /* prevent tx timeout */
- }
- }
- /*
- * Init service functions
- */
- static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
- {
- struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
- int port = BP_PORT(bp);
- /* CAM allocation
- * unicasts 0-31:port0 32-63:port1
- * multicast 64-127:port0 128-191:port1
- */
- config->hdr.length_6b = 2;
- config->hdr.offset = port ? 31 : 0;
- config->hdr.client_id = BP_CL_ID(bp);
- config->hdr.reserved1 = 0;
- /* primary MAC */
- config->config_table[0].cam_entry.msb_mac_addr =
- swab16(*(u16 *)&bp->dev->dev_addr[0]);
- config->config_table[0].cam_entry.middle_mac_addr =
- swab16(*(u16 *)&bp->dev->dev_addr[2]);
- config->config_table[0].cam_entry.lsb_mac_addr =
- swab16(*(u16 *)&bp->dev->dev_addr[4]);
- config->config_table[0].cam_entry.flags = cpu_to_le16(port);
- if (set)
- config->config_table[0].target_table_entry.flags = 0;
- else
- CAM_INVALIDATE(config->config_table[0]);
- config->config_table[0].target_table_entry.client_id = 0;
- config->config_table[0].target_table_entry.vlan_id = 0;
- DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
- (set ? "setting" : "clearing"),
- config->config_table[0].cam_entry.msb_mac_addr,
- config->config_table[0].cam_entry.middle_mac_addr,
- config->config_table[0].cam_entry.lsb_mac_addr);
- /* broadcast */
- config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
- config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
- config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
- config->config_table[1].cam_entry.flags = cpu_to_le16(port);
- if (set)
- config->config_table[1].target_table_entry.flags =
- TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
- else
- CAM_INVALIDATE(config->config_table[1]);
- config->config_table[1].target_table_entry.client_id = 0;
- config->config_table[1].target_table_entry.vlan_id = 0;
- bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
- U64_HI(bnx2x_sp_mapping(bp, mac_config)),
- U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
- }
- static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
- {
- struct mac_configuration_cmd_e1h *config =
- (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
- if (set && (bp->state != BNX2X_STATE_OPEN)) {
- DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
- return;
- }
- /* CAM allocation for E1H
- * unicasts: by func number
- * multicast: 20+FUNC*20, 20 each
- */
- config->hdr.length_6b = 1;
- config->hdr.offset = BP_FUNC(bp);
- config->hdr.client_id = BP_CL_ID(bp);
- config->hdr.reserved1 = 0;
- /* primary MAC */
- config->config_table[0].msb_mac_addr =
- swab16(*(u16 *)&bp->dev->dev_addr[0]);
- config->config_table[0].middle_mac_addr =
- swab16(*(u16 *)&bp->dev->dev_addr[2]);
- config->config_table[0].lsb_mac_addr =
- swab16(*(u16 *)&bp->dev->dev_addr[4]);
- config->config_table[0].client_id = BP_L_ID(bp);
- config->config_table[0].vlan_id = 0;
- config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
- if (set)
- config->config_table[0].flags = BP_PORT(bp);
- else
- config->config_table[0].flags =
- MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
- DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
- (set ? "setting" : "clearing"),
- config->config_table[0].msb_mac_addr,
- config->config_table[0].middle_mac_addr,
- config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
- bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
- U64_HI(bnx2x_sp_mapping(bp, mac_config)),
- U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
- }
- static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
- int *state_p, int poll)
- {
- /* can take a while if any port is running */
- int cnt = 500;
- DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
- poll ? "polling" : "waiting", state, idx);
- might_sleep();
- while (cnt--) {
- if (poll) {
- bnx2x_rx_int(bp->fp, 10);
- /* if index is different from 0
- * the reply for some commands will
- * be on the non default queue
- */
- if (idx)
- bnx2x_rx_int(&bp->fp[idx], 10);
- }
- mb(); /* state is changed by bnx2x_sp_event() */
- if (*state_p == state)
- return 0;
- msleep(1);
- }
- /* timeout! */
- BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
- poll ? "polling" : "waiting", state, idx);
- #ifdef BNX2X_STOP_ON_ERROR
- bnx2x_panic();
- #endif
- return -EBUSY;
- }
- static int bnx2x_setup_leading(struct bnx2x *bp)
- {
- int rc;
- /* reset IGU state */
- bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
- /* SETUP ramrod */
- bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
- /* Wait for completion */
- rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
- return rc;
- }
- static int bnx2x_setup_multi(struct bnx2x *bp, int index)
- {
- /* reset IGU state */
- bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
- /* SETUP ramrod */
- bp->fp[index].state = BNX2X_FP_STATE_OPENING;
- bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
- /* Wait for completion */
- return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
- &(bp->fp[index].state), 0);
- }
- static int bnx2x_poll(struct napi_struct *napi, int budget);
- static void bnx2x_set_rx_mode(struct net_device *dev);
- /* must be called with rtnl_lock */
- static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
- {
- u32 load_code;
- int i, rc;
- #ifdef BNX2X_STOP_ON_ERROR
- if (unlikely(bp->panic))
- return -EPERM;
- #endif
- bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
- /* Send LOAD_REQUEST command to MCP
- Returns the type of LOAD command:
- if it is the first port to be initialized
- common blocks should be initialized, otherwise - not
- */
- if (!BP_NOMCP(bp)) {
- load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
- if (!load_code) {
- BNX2X_ERR("MCP response failure, aborting\n");
- return -EBUSY;
- }
- if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
- return -EBUSY; /* other port in diagnostic mode */
- } else {
- int port = BP_PORT(bp);
- DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
- load_count[0], load_count[1], load_count[2]);
- load_count[0]++;
- load_count[1 + port]++;
- DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
- load_count[0], load_count[1], load_count[2]);
- if (load_count[0] == 1)
- load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
- else if (load_count[1 + port] == 1)
- load_code = FW_MSG_CODE_DRV_LOAD_PORT;
- else
- load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
- }
- if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
- (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
- bp->port.pmf = 1;
- else
- bp->port.pmf = 0;
- DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
- /* if we can't use MSI-X we only need one fp,
- * so try to enable MSI-X with the requested number of fp's
- * and fallback to inta with one fp
- */
- if (use_inta) {
- bp->num_queues = 1;
- } else {
- if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
- /* user requested number */
- bp->num_queues = use_multi;
- else if (use_multi)
- bp->num_queues = min_t(u32, num_online_cpus(),
- BP_MAX_QUEUES(bp));
- else
- bp->num_queues = 1;
- if (bnx2x_enable_msix(bp)) {
- /* failed to enable MSI-X */
- bp->num_queues = 1;
- if (use_multi)
- BNX2X_ERR("Multi requested but failed"
- " to enable MSI-X\n");
- }
- }
- DP(NETIF_MSG_IFUP,
- "set number of queues to %d\n", bp->num_queues);
- if (bnx2x_alloc_mem(bp))
- return -ENOMEM;
- for_each_queue(bp, i)
- bnx2x_fp(bp, i, disable_tpa) =
- ((bp->flags & TPA_ENABLE_FLAG) == 0);
- if (bp->flags & USING_MSIX_FLAG) {
- rc = bnx2x_req_msix_irqs(bp);
- if (rc) {
- pci_disable_msix(bp->pdev);
- goto load_error;
- }
- } else {
- bnx2x_ack_int(bp);
- rc = bnx2x_req_irq(bp);
- if (rc) {
- BNX2X_ERR("IRQ request failed, aborting\n");
- goto load_error;
- }
- }
- for_each_queue(bp, i)
- netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
- bnx2x_poll, 128);
- /* Initialize HW */
- rc = bnx2x_init_hw(bp, load_code);
- if (rc) {
- BNX2X_ERR("HW init failed, aborting\n");
- goto load_int_disable;
- }
- /* Setup NIC internals and enable interrupts */
- bnx2x_nic_init(bp, load_code);
- /* Send LOAD_DONE command to MCP */
- if (!BP_NOMCP(bp)) {
- load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
- if (!load_code) {
- BNX2X_ERR("MCP response failure, aborting\n");
- rc = -EBUSY;
- goto load_rings_free;
- }
- }
- bnx2x_stats_init(bp);
- bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
- /* Enable Rx interrupt handling before sending the ramrod
- as it's completed on Rx FP queue */
- bnx2x_napi_enable(bp);
- /* Enable interrupt handling */
- atomic_set(&bp->intr_sem, 0);
- rc = bnx2x_setup_leading(bp);
- if (rc) {
- BNX2X_ERR("Setup leading failed!\n");
- goto load_netif_stop;
- }
- if (CHIP_IS_E1H(bp))
- if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
- BNX2X_ERR("!!! mf_cfg function disabled\n");
- bp->state = BNX2X_STATE_DISABLED;
- }
- if (bp->state == BNX2X_STATE_OPEN)
- for_each_nondefault_queue(bp, i) {
- rc = bnx2x_setup_multi(bp, i);
- if (rc)
- goto load_netif_stop;
- }
- if (CHIP_IS_E1(bp))
- bnx2x_set_mac_addr_e1(bp, 1);
- else
- bnx2x_set_mac_addr_e1h(bp, 1);
- if (bp->port.pmf)
- bnx2x_initial_phy_init(bp);
- /* Start fast path */
- switch (load_mode) {
- case LOAD_NORMAL:
- /* Tx queue should be only reenabled */
- netif_wake_queue(bp->dev);
- bnx2x_set_rx_mode(bp->dev);
- break;
- case LOAD_OPEN:
- netif_start_queue(bp->dev);
- bnx2x_set_rx_mode(bp->dev);
- if (bp->flags & USING_MSIX_FLAG)
- printk(KERN_INFO PFX "%s: using MSI-X\n",
- bp->dev->name);
- break;
- case LOAD_DIAG:
- bnx2x_set_rx_mode(bp->dev);
- bp->state = BNX2X_STATE_DIAG;
- break;
- default:
- break;
- }
- if (!bp->port.pmf)
- bnx2x__link_status_update(bp);
- /* start the timer */
- mod_timer(&bp->timer, jiffies + bp->current_interval);
- return 0;
- load_netif_stop:
- bnx2x_napi_disable(bp);
- load_rings_free:
- /* Free SKBs, SGEs, TPA pool and driver internals */
- bnx2x_free_skbs(bp);
- for_each_queue(bp, i)
- bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
- load_int_disable:
- bnx2x_int_disable_sync(bp, 1);
- /* Release IRQs */
- bnx2x_free_irq(bp);
- load_error:
- bnx2x_free_mem(bp);
- bp->port.pmf = 0;
- /* TBD we really need to reset the chip
- if we want to recover from this */
- return rc;
- }
- static int bnx2x_stop_multi(struct bnx2x *bp, int index)
- {
- int rc;
- /* halt the connection */
- bp->fp[index].state = BNX2X_FP_STATE_HALTING;
- bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
- /* Wait for completion */
- rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
- &(bp->fp[index].state), 1);
- if (rc) /* timeout */
- return rc;
- /* delete cfc entry */
- bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
- /* Wait for completion */
- rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
- &(bp->fp[index].state), 1);
- return rc;
- }
- static int bnx2x_stop_leading(struct bnx2x *bp)
- {
- u16 dsb_sp_prod_idx;
- /* if the other port is handling traffic,
- this can take a lot of time */
- int cnt = 500;
- int rc;
- might_sleep();
- /* Send HALT ramrod */
- bp->fp[0].state = BNX2X_FP_STATE_HALTING;
- bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
- /* Wait for completion */
- rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
- &(bp->fp[0].state), 1);
- if (rc) /* timeout */
- return rc;
- dsb_sp_prod_idx = *bp->dsb_sp_prod;
- /* Send PORT_DELETE ramrod */
- bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
- /* Wait for completion to arrive on default status block
- we are going to reset the chip anyway
- so there is not much to do if this times out
- */
- while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
- if (!cnt) {
- DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
- "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
- *bp->dsb_sp_prod, dsb_sp_prod_idx);
- #ifdef BNX2X_STOP_ON_ERROR
- bnx2x_panic();
- #else
- rc = -EBUSY;
- #endif
- break;
- }
- cnt--;
- msleep(1);
- }
- bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
- bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
- return rc;
- }
- static void bnx2x_reset_func(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- int func = BP_FUNC(bp);
- int base, i;
- /* Configure IGU */
- REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
- REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
- REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
- /* Clear ILT */
- base = FUNC_ILT_BASE(func);
- for (i = base; i < base + ILT_PER_FUNC; i++)
- bnx2x_ilt_wr(bp, i, 0);
- }
- static void bnx2x_reset_port(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- u32 val;
- REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
- /* Do not rcv packets to BRB */
- REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
- /* Do not direct rcv packets that are not for MCP to the BRB */
- REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
- NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
- /* Configure AEU */
- REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
- msleep(100);
- /* Check for BRB port occupancy */
- val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
- if (val)
- DP(NETIF_MSG_IFDOWN,
- "BRB1 is not empty %d blocks are occupied\n", val);
- /* TODO: Close Doorbell port? */
- }
- static void bnx2x_reset_common(struct bnx2x *bp)
- {
- /* reset_common */
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
- 0xd3ffff7f);
- REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
- }
- static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
- {
- DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
- BP_FUNC(bp), reset_code);
- switch (reset_code) {
- case FW_MSG_CODE_DRV_UNLOAD_COMMON:
- bnx2x_reset_port(bp);
- bnx2x_reset_func(bp);
- bnx2x_reset_common(bp);
- break;
- case FW_MSG_CODE_DRV_UNLOAD_PORT:
- bnx2x_reset_port(bp);
- bnx2x_reset_func(bp);
- break;
- case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
- bnx2x_reset_func(bp);
- break;
- default:
- BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
- break;
- }
- }
- /* must be called with rtnl_lock */
- static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
- {
- int port = BP_PORT(bp);
- u32 reset_code = 0;
- int i, cnt, rc;
- bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
- bp->rx_mode = BNX2X_RX_MODE_NONE;
- bnx2x_set_storm_rx_mode(bp);
- bnx2x_netif_stop(bp, 1);
- if (!netif_running(bp->dev))
- bnx2x_napi_disable(bp);
- del_timer_sync(&bp->timer);
- SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
- (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
- bnx2x_stats_handle(bp, STATS_EVENT_STOP);
- /* Wait until tx fast path tasks complete */
- for_each_queue(bp, i) {
- struct bnx2x_fastpath *fp = &bp->fp[i];
- cnt = 1000;
- smp_rmb();
- while (BNX2X_HAS_TX_WORK(fp)) {
- bnx2x_tx_int(fp, 1000);
- if (!cnt) {
- BNX2X_ERR("timeout waiting for queue[%d]\n",
- i);
- #ifdef BNX2X_STOP_ON_ERROR
- bnx2x_panic();
- return -EBUSY;
- #else
- break;
- #endif
- }
- cnt--;
- msleep(1);
- smp_rmb();
- }
- }
- /* Give HW time to discard old tx messages */
- msleep(1);
- /* Release IRQs */
- bnx2x_free_irq(bp);
- if (CHIP_IS_E1(bp)) {
- struct mac_configuration_cmd *config =
- bnx2x_sp(bp, mcast_config);
- bnx2x_set_mac_addr_e1(bp, 0);
- for (i = 0; i < config->hdr.length_6b; i++)
- CAM_INVALIDATE(config->config_table[i]);
- config->hdr.length_6b = i;
- if (CHIP_REV_IS_SLOW(bp))
- config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
- else
- config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
- config->hdr.client_id = BP_CL_ID(bp);
- config->hdr.reserved1 = 0;
- bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
- U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
- U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
- } else { /* E1H */
- REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
- bnx2x_set_mac_addr_e1h(bp, 0);
- for (i = 0; i < MC_HASH_SIZE; i++)
- REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
- }
- if (unload_mode == UNLOAD_NORMAL)
- reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
- else if (bp->flags & NO_WOL_FLAG) {
- reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
- if (CHIP_IS_E1H(bp))
- REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
- } else if (bp->wol) {
- u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
- u8 *mac_addr = bp->dev->dev_addr;
- u32 val;
- /* The mac address is written to entries 1-4 to
- preserve entry 0 which is used by the PMF */
- u8 entry = (BP_E1HVN(bp) + 1)*8;
- val = (mac_addr[0] << 8) | mac_addr[1];
- EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
- val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
- (mac_addr[4] << 8) | mac_addr[5];
- EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
- reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
- } else
- reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
- /* Close multi and leading connections
- Completions for ramrods are collected in a synchronous way */
- for_each_nondefault_queue(bp, i)
- if (bnx2x_stop_multi(bp, i))
- goto unload_error;
- rc = bnx2x_stop_leading(bp);
- if (rc) {
- BNX2X_ERR("Stop leading failed!\n");
- #ifdef BNX2X_STOP_ON_ERROR
- return -EBUSY;
- #else
- goto unload_error;
- #endif
- }
- unload_error:
- if (!BP_NOMCP(bp))
- reset_code = bnx2x_fw_command(bp, reset_code);
- else {
- DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
- load_count[0], load_count[1], load_count[2]);
- load_count[0]--;
- load_count[1 + port]--;
- DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
- load_count[0], load_count[1], load_count[2]);
- if (load_count[0] == 0)
- reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
- else if (load_count[1 + port] == 0)
- reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
- else
- reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
- }
- if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
- (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
- bnx2x__link_reset(bp);
- /* Reset the chip */
- bnx2x_reset_chip(bp, reset_code);
- /* Report UNLOAD_DONE to MCP */
- if (!BP_NOMCP(bp))
- bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
- bp->port.pmf = 0;
- /* Free SKBs, SGEs, TPA pool and driver internals */
- bnx2x_free_skbs(bp);
- for_each_queue(bp, i)
- bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
- bnx2x_free_mem(bp);
- bp->state = BNX2X_STATE_CLOSED;
- netif_carrier_off(bp->dev);
- return 0;
- }
- static void bnx2x_reset_task(struct work_struct *work)
- {
- struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
- #ifdef BNX2X_STOP_ON_ERROR
- BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
- " so reset not done to allow debug dump,\n"
- KERN_ERR " you will need to reboot when done\n");
- return;
- #endif
- rtnl_lock();
- if (!netif_running(bp->dev))
- goto reset_task_exit;
- bnx2x_nic_unload(bp, UNLOAD_NORMAL);
- bnx2x_nic_load(bp, LOAD_NORMAL);
- reset_task_exit:
- rtnl_unlock();
- }
- /* end of nic load/unload */
- /* ethtool_ops */
- /*
- * Init service functions
- */
- static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
- {
- u32 val;
- /* Check if there is any driver already loaded */
- val = REG_RD(bp, MISC_REG_UNPREPARED);
- if (val == 0x1) {
- /* Check if it is the UNDI driver
- * UNDI driver initializes CID offset for normal bell to 0x7
- */
- bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
- val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
- if (val == 0x7)
- REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
- bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
- if (val == 0x7) {
- u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
- /* save our func */
- int func = BP_FUNC(bp);
- u32 swap_en;
- u32 swap_val;
- BNX2X_DEV_INFO("UNDI is active! reset device\n");
- /* try unload UNDI on port 0 */
- bp->func = 0;
- bp->fw_seq =
- (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
- DRV_MSG_SEQ_NUMBER_MASK);
- reset_code = bnx2x_fw_command(bp, reset_code);
- /* if UNDI is loaded on the other port */
- if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
- /* send "DONE" for previous unload */
- bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
- /* unload UNDI on port 1 */
- bp->func = 1;
- bp->fw_seq =
- (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
- DRV_MSG_SEQ_NUMBER_MASK);
- reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
- bnx2x_fw_command(bp, reset_code);
- }
- REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
- HC_REG_CONFIG_0), 0x1000);
- /* close input traffic and wait for it */
- /* Do not rcv packets to BRB */
- REG_WR(bp,
- (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
- NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
- /* Do not direct rcv packets that are not for MCP to
- * the BRB */
- REG_WR(bp,
- (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
- NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
- /* clear AEU */
- REG_WR(bp,
- (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
- MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
- msleep(10);
- /* save NIG port swap info */
- swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
- swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
- /* reset device */
- REG_WR(bp,
- GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
- 0xd3ffffff);
- REG_WR(bp,
- GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
- 0x1403);
- /* take the NIG out of reset and restore swap values */
- REG_WR(bp,
- GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
- MISC_REGISTERS_RESET_REG_1_RST_NIG);
- REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
- REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
- /* send unload done to the MCP */
- bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
- /* restore our func and fw_seq */
- bp->func = func;
- bp->fw_seq =
- (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
- DRV_MSG_SEQ_NUMBER_MASK);
- }
- }
- }
- static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
- {
- u32 val, val2, val3, val4, id;
- u16 pmc;
- /* Get the chip revision id and number. */
- /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
- val = REG_RD(bp, MISC_REG_CHIP_NUM);
- id = ((val & 0xffff) << 16);
- val = REG_RD(bp, MISC_REG_CHIP_REV);
- id |= ((val & 0xf) << 12);
- val = REG_RD(bp, MISC_REG_CHIP_METAL);
- id |= ((val & 0xff) << 4);
- REG_RD(bp, MISC_REG_BOND_ID);
- id |= (val & 0xf);
- bp->common.chip_id = id;
- bp->link_params.chip_id = bp->common.chip_id;
- BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
- val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
- bp->common.flash_size = (NVRAM_1MB_SIZE <<
- (val & MCPR_NVM_CFG4_FLASH_SIZE));
- BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
- bp->common.flash_size, bp->common.flash_size);
- bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
- bp->link_params.shmem_base = bp->common.shmem_base;
- BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
- if (!bp->common.shmem_base ||
- (bp->common.shmem_base < 0xA0000) ||
- (bp->common.shmem_base >= 0xC0000)) {
- BNX2X_DEV_INFO("MCP not active\n");
- bp->flags |= NO_MCP_FLAG;
- return;
- }
- val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
- if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
- != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
- BNX2X_ERR("BAD MCP validity signature\n");
- bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
- bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
- BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
- bp->common.hw_config, bp->common.board);
- bp->link_params.hw_led_mode = ((bp->common.hw_config &
- SHARED_HW_CFG_LED_MODE_MASK) >>
- SHARED_HW_CFG_LED_MODE_SHIFT);
- val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
- bp->common.bc_ver = val;
- BNX2X_DEV_INFO("bc_ver %X\n", val);
- if (val < BNX2X_BC_VER) {
- /* for now only warn
- * later we might need to enforce this */
- BNX2X_ERR("This driver needs bc_ver %X but found %X,"
- " please upgrade BC\n", BNX2X_BC_VER, val);
- }
- if (BP_E1HVN(bp) == 0) {
- pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
- bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
- } else {
- /* no WOL capability for E1HVN != 0 */
- bp->flags |= NO_WOL_FLAG;
- }
- BNX2X_DEV_INFO("%sWoL capable\n",
- (bp->flags & NO_WOL_FLAG) ? "Not " : "");
- val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
- val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
- val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
- val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
- printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
- val, val2, val3, val4);
- }
- static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
- u32 switch_cfg)
- {
- int port = BP_PORT(bp);
- u32 ext_phy_type;
- switch (switch_cfg) {
- case SWITCH_CFG_1G:
- BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
- ext_phy_type =
- SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
- switch (ext_phy_type) {
- case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
- BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
- ext_phy_type);
- bp->port.supported |= (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_2500baseX_Full |
- SUPPORTED_TP |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
- BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
- ext_phy_type);
- bp->port.supported |= (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_TP |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- default:
- BNX2X_ERR("NVRAM config error. "
- "BAD SerDes ext_phy_config 0x%x\n",
- bp->link_params.ext_phy_config);
- return;
- }
- bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
- port*0x10);
- BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
- break;
- case SWITCH_CFG_10G:
- BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
- ext_phy_type =
- XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
- switch (ext_phy_type) {
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
- BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
- ext_phy_type);
- bp->port.supported |= (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_2500baseX_Full |
- SUPPORTED_10000baseT_Full |
- SUPPORTED_TP |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
- BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
- ext_phy_type);
- bp->port.supported |= (SUPPORTED_10000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
- BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
- ext_phy_type);
- bp->port.supported |= (SUPPORTED_10000baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
- BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
- ext_phy_type);
- bp->port.supported |= (SUPPORTED_10000baseT_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
- BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
- ext_phy_type);
- bp->port.supported |= (SUPPORTED_10000baseT_Full |
- SUPPORTED_2500baseX_Full |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
- BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
- ext_phy_type);
- bp->port.supported |= (SUPPORTED_10000baseT_Full |
- SUPPORTED_TP |
- SUPPORTED_Autoneg |
- SUPPORTED_Pause |
- SUPPORTED_Asym_Pause);
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
- BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
- bp->link_params.ext_phy_config);
- break;
- default:
- BNX2X_ERR("NVRAM config error. "
- "BAD XGXS ext_phy_config 0x%x\n",
- bp->link_params.ext_phy_config);
- return;
- }
- bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
- port*0x18);
- BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
- break;
- default:
- BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
- bp->port.link_config);
- return;
- }
- bp->link_params.phy_addr = bp->port.phy_addr;
- /* mask what we support according to speed_cap_mask */
- if (!(bp->link_params.speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
- bp->port.supported &= ~SUPPORTED_10baseT_Half;
- if (!(bp->link_params.speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
- bp->port.supported &= ~SUPPORTED_10baseT_Full;
- if (!(bp->link_params.speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
- bp->port.supported &= ~SUPPORTED_100baseT_Half;
- if (!(bp->link_params.speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
- bp->port.supported &= ~SUPPORTED_100baseT_Full;
- if (!(bp->link_params.speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
- bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
- SUPPORTED_1000baseT_Full);
- if (!(bp->link_params.speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
- bp->port.supported &= ~SUPPORTED_2500baseX_Full;
- if (!(bp->link_params.speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
- bp->port.supported &= ~SUPPORTED_10000baseT_Full;
- BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
- }
- static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
- {
- bp->link_params.req_duplex = DUPLEX_FULL;
- switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
- case PORT_FEATURE_LINK_SPEED_AUTO:
- if (bp->port.supported & SUPPORTED_Autoneg) {
- bp->link_params.req_line_speed = SPEED_AUTO_NEG;
- bp->port.advertising = bp->port.supported;
- } else {
- u32 ext_phy_type =
- XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
- if ((ext_phy_type ==
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
- (ext_phy_type ==
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
- /* force 10G, no AN */
- bp->link_params.req_line_speed = SPEED_10000;
- bp->port.advertising =
- (ADVERTISED_10000baseT_Full |
- ADVERTISED_FIBRE);
- break;
- }
- BNX2X_ERR("NVRAM config error. "
- "Invalid link_config 0x%x"
- " Autoneg not supported\n",
- bp->port.link_config);
- return;
- }
- break;
- case PORT_FEATURE_LINK_SPEED_10M_FULL:
- if (bp->port.supported & SUPPORTED_10baseT_Full) {
- bp->link_params.req_line_speed = SPEED_10;
- bp->port.advertising = (ADVERTISED_10baseT_Full |
- ADVERTISED_TP);
- } else {
- BNX2X_ERR("NVRAM config error. "
- "Invalid link_config 0x%x"
- " speed_cap_mask 0x%x\n",
- bp->port.link_config,
- bp->link_params.speed_cap_mask);
- return;
- }
- break;
- case PORT_FEATURE_LINK_SPEED_10M_HALF:
- if (bp->port.supported & SUPPORTED_10baseT_Half) {
- bp->link_params.req_line_speed = SPEED_10;
- bp->link_params.req_duplex = DUPLEX_HALF;
- bp->port.advertising = (ADVERTISED_10baseT_Half |
- ADVERTISED_TP);
- } else {
- BNX2X_ERR("NVRAM config error. "
- "Invalid link_config 0x%x"
- " speed_cap_mask 0x%x\n",
- bp->port.link_config,
- bp->link_params.speed_cap_mask);
- return;
- }
- break;
- case PORT_FEATURE_LINK_SPEED_100M_FULL:
- if (bp->port.supported & SUPPORTED_100baseT_Full) {
- bp->link_params.req_line_speed = SPEED_100;
- bp->port.advertising = (ADVERTISED_100baseT_Full |
- ADVERTISED_TP);
- } else {
- BNX2X_ERR("NVRAM config error. "
- "Invalid link_config 0x%x"
- " speed_cap_mask 0x%x\n",
- bp->port.link_config,
- bp->link_params.speed_cap_mask);
- return;
- }
- break;
- case PORT_FEATURE_LINK_SPEED_100M_HALF:
- if (bp->port.supported & SUPPORTED_100baseT_Half) {
- bp->link_params.req_line_speed = SPEED_100;
- bp->link_params.req_duplex = DUPLEX_HALF;
- bp->port.advertising = (ADVERTISED_100baseT_Half |
- ADVERTISED_TP);
- } else {
- BNX2X_ERR("NVRAM config error. "
- "Invalid link_config 0x%x"
- " speed_cap_mask 0x%x\n",
- bp->port.link_config,
- bp->link_params.speed_cap_mask);
- return;
- }
- break;
- case PORT_FEATURE_LINK_SPEED_1G:
- if (bp->port.supported & SUPPORTED_1000baseT_Full) {
- bp->link_params.req_line_speed = SPEED_1000;
- bp->port.advertising = (ADVERTISED_1000baseT_Full |
- ADVERTISED_TP);
- } else {
- BNX2X_ERR("NVRAM config error. "
- "Invalid link_config 0x%x"
- " speed_cap_mask 0x%x\n",
- bp->port.link_config,
- bp->link_params.speed_cap_mask);
- return;
- }
- break;
- case PORT_FEATURE_LINK_SPEED_2_5G:
- if (bp->port.supported & SUPPORTED_2500baseX_Full) {
- bp->link_params.req_line_speed = SPEED_2500;
- bp->port.advertising = (ADVERTISED_2500baseX_Full |
- ADVERTISED_TP);
- } else {
- BNX2X_ERR("NVRAM config error. "
- "Invalid link_config 0x%x"
- " speed_cap_mask 0x%x\n",
- bp->port.link_config,
- bp->link_params.speed_cap_mask);
- return;
- }
- break;
- case PORT_FEATURE_LINK_SPEED_10G_CX4:
- case PORT_FEATURE_LINK_SPEED_10G_KX4:
- case PORT_FEATURE_LINK_SPEED_10G_KR:
- if (bp->port.supported & SUPPORTED_10000baseT_Full) {
- bp->link_params.req_line_speed = SPEED_10000;
- bp->port.advertising = (ADVERTISED_10000baseT_Full |
- ADVERTISED_FIBRE);
- } else {
- BNX2X_ERR("NVRAM config error. "
- "Invalid link_config 0x%x"
- " speed_cap_mask 0x%x\n",
- bp->port.link_config,
- bp->link_params.speed_cap_mask);
- return;
- }
- break;
- default:
- BNX2X_ERR("NVRAM config error. "
- "BAD link speed link_config 0x%x\n",
- bp->port.link_config);
- bp->link_params.req_line_speed = SPEED_AUTO_NEG;
- bp->port.advertising = bp->port.supported;
- break;
- }
- bp->link_params.req_flow_ctrl = (bp->port.link_config &
- PORT_FEATURE_FLOW_CONTROL_MASK);
- if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
- !(bp->port.supported & SUPPORTED_Autoneg))
- bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
- " advertising 0x%x\n",
- bp->link_params.req_line_speed,
- bp->link_params.req_duplex,
- bp->link_params.req_flow_ctrl, bp->port.advertising);
- }
- static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- u32 val, val2;
- bp->link_params.bp = bp;
- bp->link_params.port = port;
- bp->link_params.serdes_config =
- SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
- bp->link_params.lane_config =
- SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
- bp->link_params.ext_phy_config =
- SHMEM_RD(bp,
- dev_info.port_hw_config[port].external_phy_config);
- bp->link_params.speed_cap_mask =
- SHMEM_RD(bp,
- dev_info.port_hw_config[port].speed_capability_mask);
- bp->port.link_config =
- SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
- BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
- KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
- " link_config 0x%08x\n",
- bp->link_params.serdes_config,
- bp->link_params.lane_config,
- bp->link_params.ext_phy_config,
- bp->link_params.speed_cap_mask, bp->port.link_config);
- bp->link_params.switch_cfg = (bp->port.link_config &
- PORT_FEATURE_CONNECTED_SWITCH_MASK);
- bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
- bnx2x_link_settings_requested(bp);
- val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
- val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
- bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
- bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
- bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
- bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
- bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
- bp->dev->dev_addr[5] = (u8)(val & 0xff);
- memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
- memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
- }
- static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
- {
- int func = BP_FUNC(bp);
- u32 val, val2;
- int rc = 0;
- bnx2x_get_common_hwinfo(bp);
- bp->e1hov = 0;
- bp->e1hmf = 0;
- if (CHIP_IS_E1H(bp)) {
- bp->mf_config =
- SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
- val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
- FUNC_MF_CFG_E1HOV_TAG_MASK);
- if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
- bp->e1hov = val;
- bp->e1hmf = 1;
- BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
- "(0x%04x)\n",
- func, bp->e1hov, bp->e1hov);
- } else {
- BNX2X_DEV_INFO("Single function mode\n");
- if (BP_E1HVN(bp)) {
- BNX2X_ERR("!!! No valid E1HOV for func %d,"
- " aborting\n", func);
- rc = -EPERM;
- }
- }
- }
- if (!BP_NOMCP(bp)) {
- bnx2x_get_port_hwinfo(bp);
- bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
- DRV_MSG_SEQ_NUMBER_MASK);
- BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
- }
- if (IS_E1HMF(bp)) {
- val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
- val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
- if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
- (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
- bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
- bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
- bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
- bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
- bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
- bp->dev->dev_addr[5] = (u8)(val & 0xff);
- memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
- ETH_ALEN);
- memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
- ETH_ALEN);
- }
- return rc;
- }
- if (BP_NOMCP(bp)) {
- /* only supposed to happen on emulation/FPGA */
- BNX2X_ERR("warning random MAC workaround active\n");
- random_ether_addr(bp->dev->dev_addr);
- memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
- }
- return rc;
- }
- static int __devinit bnx2x_init_bp(struct bnx2x *bp)
- {
- int func = BP_FUNC(bp);
- int rc;
- /* Disable interrupt handling until HW is initialized */
- atomic_set(&bp->intr_sem, 1);
- mutex_init(&bp->port.phy_mutex);
- INIT_WORK(&bp->sp_task, bnx2x_sp_task);
- INIT_WORK(&bp->reset_task, bnx2x_reset_task);
- rc = bnx2x_get_hwinfo(bp);
- /* need to reset chip if undi was active */
- if (!BP_NOMCP(bp))
- bnx2x_undi_unload(bp);
- if (CHIP_REV_IS_FPGA(bp))
- printk(KERN_ERR PFX "FPGA detected\n");
- if (BP_NOMCP(bp) && (func == 0))
- printk(KERN_ERR PFX
- "MCP disabled, must load devices in order!\n");
- /* Set TPA flags */
- if (disable_tpa) {
- bp->flags &= ~TPA_ENABLE_FLAG;
- bp->dev->features &= ~NETIF_F_LRO;
- } else {
- bp->flags |= TPA_ENABLE_FLAG;
- bp->dev->features |= NETIF_F_LRO;
- }
- bp->tx_ring_size = MAX_TX_AVAIL;
- bp->rx_ring_size = MAX_RX_AVAIL;
- bp->rx_csum = 1;
- bp->rx_offset = 0;
- bp->tx_ticks = 50;
- bp->rx_ticks = 25;
- bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
- bp->current_interval = (poll ? poll : bp->timer_interval);
- init_timer(&bp->timer);
- bp->timer.expires = jiffies + bp->current_interval;
- bp->timer.data = (unsigned long) bp;
- bp->timer.function = bnx2x_timer;
- return rc;
- }
- /*
- * ethtool service functions
- */
- /* All ethtool functions called with rtnl_lock */
- static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
- {
- struct bnx2x *bp = netdev_priv(dev);
- cmd->supported = bp->port.supported;
- cmd->advertising = bp->port.advertising;
- if (netif_carrier_ok(dev)) {
- cmd->speed = bp->link_vars.line_speed;
- cmd->duplex = bp->link_vars.duplex;
- } else {
- cmd->speed = bp->link_params.req_line_speed;
- cmd->duplex = bp->link_params.req_duplex;
- }
- if (IS_E1HMF(bp)) {
- u16 vn_max_rate;
- vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
- FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
- if (vn_max_rate < cmd->speed)
- cmd->speed = vn_max_rate;
- }
- if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
- u32 ext_phy_type =
- XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
- switch (ext_phy_type) {
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
- cmd->port = PORT_FIBRE;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
- cmd->port = PORT_TP;
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
- BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
- bp->link_params.ext_phy_config);
- break;
- default:
- DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
- bp->link_params.ext_phy_config);
- break;
- }
- } else
- cmd->port = PORT_TP;
- cmd->phy_address = bp->port.phy_addr;
- cmd->transceiver = XCVR_INTERNAL;
- if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
- cmd->autoneg = AUTONEG_ENABLE;
- else
- cmd->autoneg = AUTONEG_DISABLE;
- cmd->maxtxpkt = 0;
- cmd->maxrxpkt = 0;
- DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
- DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
- DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
- DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
- cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
- cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
- cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
- return 0;
- }
- static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
- {
- struct bnx2x *bp = netdev_priv(dev);
- u32 advertising;
- if (IS_E1HMF(bp))
- return 0;
- DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
- DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
- DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
- DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
- cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
- cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
- cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
- if (cmd->autoneg == AUTONEG_ENABLE) {
- if (!(bp->port.supported & SUPPORTED_Autoneg)) {
- DP(NETIF_MSG_LINK, "Autoneg not supported\n");
- return -EINVAL;
- }
- /* advertise the requested speed and duplex if supported */
- cmd->advertising &= bp->port.supported;
- bp->link_params.req_line_speed = SPEED_AUTO_NEG;
- bp->link_params.req_duplex = DUPLEX_FULL;
- bp->port.advertising |= (ADVERTISED_Autoneg |
- cmd->advertising);
- } else { /* forced speed */
- /* advertise the requested speed and duplex if supported */
- switch (cmd->speed) {
- case SPEED_10:
- if (cmd->duplex == DUPLEX_FULL) {
- if (!(bp->port.supported &
- SUPPORTED_10baseT_Full)) {
- DP(NETIF_MSG_LINK,
- "10M full not supported\n");
- return -EINVAL;
- }
- advertising = (ADVERTISED_10baseT_Full |
- ADVERTISED_TP);
- } else {
- if (!(bp->port.supported &
- SUPPORTED_10baseT_Half)) {
- DP(NETIF_MSG_LINK,
- "10M half not supported\n");
- return -EINVAL;
- }
- advertising = (ADVERTISED_10baseT_Half |
- ADVERTISED_TP);
- }
- break;
- case SPEED_100:
- if (cmd->duplex == DUPLEX_FULL) {
- if (!(bp->port.supported &
- SUPPORTED_100baseT_Full)) {
- DP(NETIF_MSG_LINK,
- "100M full not supported\n");
- return -EINVAL;
- }
- advertising = (ADVERTISED_100baseT_Full |
- ADVERTISED_TP);
- } else {
- if (!(bp->port.supported &
- SUPPORTED_100baseT_Half)) {
- DP(NETIF_MSG_LINK,
- "100M half not supported\n");
- return -EINVAL;
- }
- advertising = (ADVERTISED_100baseT_Half |
- ADVERTISED_TP);
- }
- break;
- case SPEED_1000:
- if (cmd->duplex != DUPLEX_FULL) {
- DP(NETIF_MSG_LINK, "1G half not supported\n");
- return -EINVAL;
- }
- if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
- DP(NETIF_MSG_LINK, "1G full not supported\n");
- return -EINVAL;
- }
- advertising = (ADVERTISED_1000baseT_Full |
- ADVERTISED_TP);
- break;
- case SPEED_2500:
- if (cmd->duplex != DUPLEX_FULL) {
- DP(NETIF_MSG_LINK,
- "2.5G half not supported\n");
- return -EINVAL;
- }
- if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
- DP(NETIF_MSG_LINK,
- "2.5G full not supported\n");
- return -EINVAL;
- }
- advertising = (ADVERTISED_2500baseX_Full |
- ADVERTISED_TP);
- break;
- case SPEED_10000:
- if (cmd->duplex != DUPLEX_FULL) {
- DP(NETIF_MSG_LINK, "10G half not supported\n");
- return -EINVAL;
- }
- if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
- DP(NETIF_MSG_LINK, "10G full not supported\n");
- return -EINVAL;
- }
- advertising = (ADVERTISED_10000baseT_Full |
- ADVERTISED_FIBRE);
- break;
- default:
- DP(NETIF_MSG_LINK, "Unsupported speed\n");
- return -EINVAL;
- }
- bp->link_params.req_line_speed = cmd->speed;
- bp->link_params.req_duplex = cmd->duplex;
- bp->port.advertising = advertising;
- }
- DP(NETIF_MSG_LINK, "req_line_speed %d\n"
- DP_LEVEL " req_duplex %d advertising 0x%x\n",
- bp->link_params.req_line_speed, bp->link_params.req_duplex,
- bp->port.advertising);
- if (netif_running(dev)) {
- bnx2x_stats_handle(bp, STATS_EVENT_STOP);
- bnx2x_link_set(bp);
- }
- return 0;
- }
- #define PHY_FW_VER_LEN 10
- static void bnx2x_get_drvinfo(struct net_device *dev,
- struct ethtool_drvinfo *info)
- {
- struct bnx2x *bp = netdev_priv(dev);
- u8 phy_fw_ver[PHY_FW_VER_LEN];
- strcpy(info->driver, DRV_MODULE_NAME);
- strcpy(info->version, DRV_MODULE_VERSION);
- phy_fw_ver[0] = '\0';
- if (bp->port.pmf) {
- bnx2x_acquire_phy_lock(bp);
- bnx2x_get_ext_phy_fw_version(&bp->link_params,
- (bp->state != BNX2X_STATE_CLOSED),
- phy_fw_ver, PHY_FW_VER_LEN);
- bnx2x_release_phy_lock(bp);
- }
- snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
- (bp->common.bc_ver & 0xff0000) >> 16,
- (bp->common.bc_ver & 0xff00) >> 8,
- (bp->common.bc_ver & 0xff),
- ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
- strcpy(info->bus_info, pci_name(bp->pdev));
- info->n_stats = BNX2X_NUM_STATS;
- info->testinfo_len = BNX2X_NUM_TESTS;
- info->eedump_len = bp->common.flash_size;
- info->regdump_len = 0;
- }
- static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
- {
- struct bnx2x *bp = netdev_priv(dev);
- if (bp->flags & NO_WOL_FLAG) {
- wol->supported = 0;
- wol->wolopts = 0;
- } else {
- wol->supported = WAKE_MAGIC;
- if (bp->wol)
- wol->wolopts = WAKE_MAGIC;
- else
- wol->wolopts = 0;
- }
- memset(&wol->sopass, 0, sizeof(wol->sopass));
- }
- static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
- {
- struct bnx2x *bp = netdev_priv(dev);
- if (wol->wolopts & ~WAKE_MAGIC)
- return -EINVAL;
- if (wol->wolopts & WAKE_MAGIC) {
- if (bp->flags & NO_WOL_FLAG)
- return -EINVAL;
- bp->wol = 1;
- } else
- bp->wol = 0;
- return 0;
- }
- static u32 bnx2x_get_msglevel(struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- return bp->msglevel;
- }
- static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
- {
- struct bnx2x *bp = netdev_priv(dev);
- if (capable(CAP_NET_ADMIN))
- bp->msglevel = level;
- }
- static int bnx2x_nway_reset(struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- if (!bp->port.pmf)
- return 0;
- if (netif_running(dev)) {
- bnx2x_stats_handle(bp, STATS_EVENT_STOP);
- bnx2x_link_set(bp);
- }
- return 0;
- }
- static int bnx2x_get_eeprom_len(struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- return bp->common.flash_size;
- }
- static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- int count, i;
- u32 val = 0;
- /* adjust timeout for emulation/FPGA */
- count = NVRAM_TIMEOUT_COUNT;
- if (CHIP_REV_IS_SLOW(bp))
- count *= 100;
- /* request access to nvram interface */
- REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
- (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
- for (i = 0; i < count*10; i++) {
- val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
- if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
- break;
- udelay(5);
- }
- if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
- DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
- return -EBUSY;
- }
- return 0;
- }
- static int bnx2x_release_nvram_lock(struct bnx2x *bp)
- {
- int port = BP_PORT(bp);
- int count, i;
- u32 val = 0;
- /* adjust timeout for emulation/FPGA */
- count = NVRAM_TIMEOUT_COUNT;
- if (CHIP_REV_IS_SLOW(bp))
- count *= 100;
- /* relinquish nvram interface */
- REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
- (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
- for (i = 0; i < count*10; i++) {
- val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
- if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
- break;
- udelay(5);
- }
- if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
- DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
- return -EBUSY;
- }
- return 0;
- }
- static void bnx2x_enable_nvram_access(struct bnx2x *bp)
- {
- u32 val;
- val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
- /* enable both bits, even on read */
- REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
- (val | MCPR_NVM_ACCESS_ENABLE_EN |
- MCPR_NVM_ACCESS_ENABLE_WR_EN));
- }
- static void bnx2x_disable_nvram_access(struct bnx2x *bp)
- {
- u32 val;
- val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
- /* disable both bits, even after read */
- REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
- (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
- MCPR_NVM_ACCESS_ENABLE_WR_EN)));
- }
- static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
- u32 cmd_flags)
- {
- int count, i, rc;
- u32 val;
- /* build the command word */
- cmd_flags |= MCPR_NVM_COMMAND_DOIT;
- /* need to clear DONE bit separately */
- REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
- /* address of the NVRAM to read from */
- REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
- (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
- /* issue a read command */
- REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
- /* adjust timeout for emulation/FPGA */
- count = NVRAM_TIMEOUT_COUNT;
- if (CHIP_REV_IS_SLOW(bp))
- count *= 100;
- /* wait for completion */
- *ret_val = 0;
- rc = -EBUSY;
- for (i = 0; i < count; i++) {
- udelay(5);
- val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
- if (val & MCPR_NVM_COMMAND_DONE) {
- val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
- /* we read nvram data in cpu order
- * but ethtool sees it as an array of bytes
- * converting to big-endian will do the work */
- val = cpu_to_be32(val);
- *ret_val = val;
- rc = 0;
- break;
- }
- }
- return rc;
- }
- static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
- int buf_size)
- {
- int rc;
- u32 cmd_flags;
- u32 val;
- if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
- DP(BNX2X_MSG_NVM,
- "Invalid parameter: offset 0x%x buf_size 0x%x\n",
- offset, buf_size);
- return -EINVAL;
- }
- if (offset + buf_size > bp->common.flash_size) {
- DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
- " buf_size (0x%x) > flash_size (0x%x)\n",
- offset, buf_size, bp->common.flash_size);
- return -EINVAL;
- }
- /* request access to nvram interface */
- rc = bnx2x_acquire_nvram_lock(bp);
- if (rc)
- return rc;
- /* enable access to nvram interface */
- bnx2x_enable_nvram_access(bp);
- /* read the first word(s) */
- cmd_flags = MCPR_NVM_COMMAND_FIRST;
- while ((buf_size > sizeof(u32)) && (rc == 0)) {
- rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
- memcpy(ret_buf, &val, 4);
- /* advance to the next dword */
- offset += sizeof(u32);
- ret_buf += sizeof(u32);
- buf_size -= sizeof(u32);
- cmd_flags = 0;
- }
- if (rc == 0) {
- cmd_flags |= MCPR_NVM_COMMAND_LAST;
- rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
- memcpy(ret_buf, &val, 4);
- }
- /* disable access to nvram interface */
- bnx2x_disable_nvram_access(bp);
- bnx2x_release_nvram_lock(bp);
- return rc;
- }
- static int bnx2x_get_eeprom(struct net_device *dev,
- struct ethtool_eeprom *eeprom, u8 *eebuf)
- {
- struct bnx2x *bp = netdev_priv(dev);
- int rc;
- DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
- DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
- eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
- eeprom->len, eeprom->len);
- /* parameters already validated in ethtool_get_eeprom */
- rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
- return rc;
- }
- static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
- u32 cmd_flags)
- {
- int count, i, rc;
- /* build the command word */
- cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
- /* need to clear DONE bit separately */
- REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
- /* write the data */
- REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
- /* address of the NVRAM to write to */
- REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
- (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
- /* issue the write command */
- REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
- /* adjust timeout for emulation/FPGA */
- count = NVRAM_TIMEOUT_COUNT;
- if (CHIP_REV_IS_SLOW(bp))
- count *= 100;
- /* wait for completion */
- rc = -EBUSY;
- for (i = 0; i < count; i++) {
- udelay(5);
- val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
- if (val & MCPR_NVM_COMMAND_DONE) {
- rc = 0;
- break;
- }
- }
- return rc;
- }
- #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
- static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
- int buf_size)
- {
- int rc;
- u32 cmd_flags;
- u32 align_offset;
- u32 val;
- if (offset + buf_size > bp->common.flash_size) {
- DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
- " buf_size (0x%x) > flash_size (0x%x)\n",
- offset, buf_size, bp->common.flash_size);
- return -EINVAL;
- }
- /* request access to nvram interface */
- rc = bnx2x_acquire_nvram_lock(bp);
- if (rc)
- return rc;
- /* enable access to nvram interface */
- bnx2x_enable_nvram_access(bp);
- cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
- align_offset = (offset & ~0x03);
- rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
- if (rc == 0) {
- val &= ~(0xff << BYTE_OFFSET(offset));
- val |= (*data_buf << BYTE_OFFSET(offset));
- /* nvram data is returned as an array of bytes
- * convert it back to cpu order */
- val = be32_to_cpu(val);
- rc = bnx2x_nvram_write_dword(bp, align_offset, val,
- cmd_flags);
- }
- /* disable access to nvram interface */
- bnx2x_disable_nvram_access(bp);
- bnx2x_release_nvram_lock(bp);
- return rc;
- }
- static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
- int buf_size)
- {
- int rc;
- u32 cmd_flags;
- u32 val;
- u32 written_so_far;
- if (buf_size == 1) /* ethtool */
- return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
- if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
- DP(BNX2X_MSG_NVM,
- "Invalid parameter: offset 0x%x buf_size 0x%x\n",
- offset, buf_size);
- return -EINVAL;
- }
- if (offset + buf_size > bp->common.flash_size) {
- DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
- " buf_size (0x%x) > flash_size (0x%x)\n",
- offset, buf_size, bp->common.flash_size);
- return -EINVAL;
- }
- /* request access to nvram interface */
- rc = bnx2x_acquire_nvram_lock(bp);
- if (rc)
- return rc;
- /* enable access to nvram interface */
- bnx2x_enable_nvram_access(bp);
- written_so_far = 0;
- cmd_flags = MCPR_NVM_COMMAND_FIRST;
- while ((written_so_far < buf_size) && (rc == 0)) {
- if (written_so_far == (buf_size - sizeof(u32)))
- cmd_flags |= MCPR_NVM_COMMAND_LAST;
- else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
- cmd_flags |= MCPR_NVM_COMMAND_LAST;
- else if ((offset % NVRAM_PAGE_SIZE) == 0)
- cmd_flags |= MCPR_NVM_COMMAND_FIRST;
- memcpy(&val, data_buf, 4);
- rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
- /* advance to the next dword */
- offset += sizeof(u32);
- data_buf += sizeof(u32);
- written_so_far += sizeof(u32);
- cmd_flags = 0;
- }
- /* disable access to nvram interface */
- bnx2x_disable_nvram_access(bp);
- bnx2x_release_nvram_lock(bp);
- return rc;
- }
- static int bnx2x_set_eeprom(struct net_device *dev,
- struct ethtool_eeprom *eeprom, u8 *eebuf)
- {
- struct bnx2x *bp = netdev_priv(dev);
- int rc;
- DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
- DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
- eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
- eeprom->len, eeprom->len);
- /* parameters already validated in ethtool_set_eeprom */
- /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
- if (eeprom->magic == 0x00504859)
- if (bp->port.pmf) {
- bnx2x_acquire_phy_lock(bp);
- rc = bnx2x_flash_download(bp, BP_PORT(bp),
- bp->link_params.ext_phy_config,
- (bp->state != BNX2X_STATE_CLOSED),
- eebuf, eeprom->len);
- if ((bp->state == BNX2X_STATE_OPEN) ||
- (bp->state == BNX2X_STATE_DISABLED)) {
- rc |= bnx2x_link_reset(&bp->link_params,
- &bp->link_vars);
- rc |= bnx2x_phy_init(&bp->link_params,
- &bp->link_vars);
- }
- bnx2x_release_phy_lock(bp);
- } else /* Only the PMF can access the PHY */
- return -EINVAL;
- else
- rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
- return rc;
- }
- static int bnx2x_get_coalesce(struct net_device *dev,
- struct ethtool_coalesce *coal)
- {
- struct bnx2x *bp = netdev_priv(dev);
- memset(coal, 0, sizeof(struct ethtool_coalesce));
- coal->rx_coalesce_usecs = bp->rx_ticks;
- coal->tx_coalesce_usecs = bp->tx_ticks;
- return 0;
- }
- static int bnx2x_set_coalesce(struct net_device *dev,
- struct ethtool_coalesce *coal)
- {
- struct bnx2x *bp = netdev_priv(dev);
- bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
- if (bp->rx_ticks > 3000)
- bp->rx_ticks = 3000;
- bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
- if (bp->tx_ticks > 0x3000)
- bp->tx_ticks = 0x3000;
- if (netif_running(dev))
- bnx2x_update_coalesce(bp);
- return 0;
- }
- static void bnx2x_get_ringparam(struct net_device *dev,
- struct ethtool_ringparam *ering)
- {
- struct bnx2x *bp = netdev_priv(dev);
- ering->rx_max_pending = MAX_RX_AVAIL;
- ering->rx_mini_max_pending = 0;
- ering->rx_jumbo_max_pending = 0;
- ering->rx_pending = bp->rx_ring_size;
- ering->rx_mini_pending = 0;
- ering->rx_jumbo_pending = 0;
- ering->tx_max_pending = MAX_TX_AVAIL;
- ering->tx_pending = bp->tx_ring_size;
- }
- static int bnx2x_set_ringparam(struct net_device *dev,
- struct ethtool_ringparam *ering)
- {
- struct bnx2x *bp = netdev_priv(dev);
- int rc = 0;
- if ((ering->rx_pending > MAX_RX_AVAIL) ||
- (ering->tx_pending > MAX_TX_AVAIL) ||
- (ering->tx_pending <= MAX_SKB_FRAGS + 4))
- return -EINVAL;
- bp->rx_ring_size = ering->rx_pending;
- bp->tx_ring_size = ering->tx_pending;
- if (netif_running(dev)) {
- bnx2x_nic_unload(bp, UNLOAD_NORMAL);
- rc = bnx2x_nic_load(bp, LOAD_NORMAL);
- }
- return rc;
- }
- static void bnx2x_get_pauseparam(struct net_device *dev,
- struct ethtool_pauseparam *epause)
- {
- struct bnx2x *bp = netdev_priv(dev);
- epause->autoneg = (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
- (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
- epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
- BNX2X_FLOW_CTRL_RX);
- epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
- BNX2X_FLOW_CTRL_TX);
- DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
- DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
- epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
- }
- static int bnx2x_set_pauseparam(struct net_device *dev,
- struct ethtool_pauseparam *epause)
- {
- struct bnx2x *bp = netdev_priv(dev);
- if (IS_E1HMF(bp))
- return 0;
- DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
- DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
- epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
- bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
- if (epause->rx_pause)
- bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX;
- if (epause->tx_pause)
- bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX;
- if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
- bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
- if (epause->autoneg) {
- if (!(bp->port.supported & SUPPORTED_Autoneg)) {
- DP(NETIF_MSG_LINK, "autoneg not supported\n");
- return -EINVAL;
- }
- if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
- bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
- }
- DP(NETIF_MSG_LINK,
- "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
- if (netif_running(dev)) {
- bnx2x_stats_handle(bp, STATS_EVENT_STOP);
- bnx2x_link_set(bp);
- }
- return 0;
- }
- static int bnx2x_set_flags(struct net_device *dev, u32 data)
- {
- struct bnx2x *bp = netdev_priv(dev);
- int changed = 0;
- int rc = 0;
- /* TPA requires Rx CSUM offloading */
- if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
- if (!(dev->features & NETIF_F_LRO)) {
- dev->features |= NETIF_F_LRO;
- bp->flags |= TPA_ENABLE_FLAG;
- changed = 1;
- }
- } else if (dev->features & NETIF_F_LRO) {
- dev->features &= ~NETIF_F_LRO;
- bp->flags &= ~TPA_ENABLE_FLAG;
- changed = 1;
- }
- if (changed && netif_running(dev)) {
- bnx2x_nic_unload(bp, UNLOAD_NORMAL);
- rc = bnx2x_nic_load(bp, LOAD_NORMAL);
- }
- return rc;
- }
- static u32 bnx2x_get_rx_csum(struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- return bp->rx_csum;
- }
- static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
- {
- struct bnx2x *bp = netdev_priv(dev);
- int rc = 0;
- bp->rx_csum = data;
- /* Disable TPA, when Rx CSUM is disabled. Otherwise all
- TPA'ed packets will be discarded due to wrong TCP CSUM */
- if (!data) {
- u32 flags = ethtool_op_get_flags(dev);
- rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
- }
- return rc;
- }
- static int bnx2x_set_tso(struct net_device *dev, u32 data)
- {
- if (data) {
- dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
- dev->features |= NETIF_F_TSO6;
- } else {
- dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
- dev->features &= ~NETIF_F_TSO6;
- }
- return 0;
- }
- static const struct {
- char string[ETH_GSTRING_LEN];
- } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
- { "register_test (offline)" },
- { "memory_test (offline)" },
- { "loopback_test (offline)" },
- { "nvram_test (online)" },
- { "interrupt_test (online)" },
- { "link_test (online)" },
- { "idle check (online)" },
- { "MC errors (online)" }
- };
- static int bnx2x_self_test_count(struct net_device *dev)
- {
- return BNX2X_NUM_TESTS;
- }
- static int bnx2x_test_registers(struct bnx2x *bp)
- {
- int idx, i, rc = -ENODEV;
- u32 wr_val = 0;
- int port = BP_PORT(bp);
- static const struct {
- u32 offset0;
- u32 offset1;
- u32 mask;
- } reg_tbl[] = {
- /* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
- { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
- { HC_REG_AGG_INT_0, 4, 0x000003ff },
- { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
- { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
- { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
- { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
- { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
- { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
- { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
- /* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
- { QM_REG_CONNNUM_0, 4, 0x000fffff },
- { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
- { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
- { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
- { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
- { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
- { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
- { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
- { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
- /* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
- { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
- { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
- { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
- { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
- { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
- { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
- { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
- { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
- { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
- /* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
- { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
- { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
- { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
- { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
- { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
- { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
- { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
- { 0xffffffff, 0, 0x00000000 }
- };
- if (!netif_running(bp->dev))
- return rc;
- /* Repeat the test twice:
- First by writing 0x00000000, second by writing 0xffffffff */
- for (idx = 0; idx < 2; idx++) {
- switch (idx) {
- case 0:
- wr_val = 0;
- break;
- case 1:
- wr_val = 0xffffffff;
- break;
- }
- for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
- u32 offset, mask, save_val, val;
- offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
- mask = reg_tbl[i].mask;
- save_val = REG_RD(bp, offset);
- REG_WR(bp, offset, wr_val);
- val = REG_RD(bp, offset);
- /* Restore the original register's value */
- REG_WR(bp, offset, save_val);
- /* verify that value is as expected value */
- if ((val & mask) != (wr_val & mask))
- goto test_reg_exit;
- }
- }
- rc = 0;
- test_reg_exit:
- return rc;
- }
- static int bnx2x_test_memory(struct bnx2x *bp)
- {
- int i, j, rc = -ENODEV;
- u32 val;
- static const struct {
- u32 offset;
- int size;
- } mem_tbl[] = {
- { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
- { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
- { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
- { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
- { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
- { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
- { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
- { 0xffffffff, 0 }
- };
- static const struct {
- char *name;
- u32 offset;
- u32 e1_mask;
- u32 e1h_mask;
- } prty_tbl[] = {
- { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
- { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
- { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
- { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
- { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
- { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
- { NULL, 0xffffffff, 0, 0 }
- };
- if (!netif_running(bp->dev))
- return rc;
- /* Go through all the memories */
- for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
- for (j = 0; j < mem_tbl[i].size; j++)
- REG_RD(bp, mem_tbl[i].offset + j*4);
- /* Check the parity status */
- for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
- val = REG_RD(bp, prty_tbl[i].offset);
- if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
- (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
- DP(NETIF_MSG_HW,
- "%s is 0x%x\n", prty_tbl[i].name, val);
- goto test_mem_exit;
- }
- }
- rc = 0;
- test_mem_exit:
- return rc;
- }
- static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
- {
- int cnt = 1000;
- if (link_up)
- while (bnx2x_link_test(bp) && cnt--)
- msleep(10);
- }
- static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
- {
- unsigned int pkt_size, num_pkts, i;
- struct sk_buff *skb;
- unsigned char *packet;
- struct bnx2x_fastpath *fp = &bp->fp[0];
- u16 tx_start_idx, tx_idx;
- u16 rx_start_idx, rx_idx;
- u16 pkt_prod;
- struct sw_tx_bd *tx_buf;
- struct eth_tx_bd *tx_bd;
- dma_addr_t mapping;
- union eth_rx_cqe *cqe;
- u8 cqe_fp_flags;
- struct sw_rx_bd *rx_buf;
- u16 len;
- int rc = -ENODEV;
- if (loopback_mode == BNX2X_MAC_LOOPBACK) {
- bp->link_params.loopback_mode = LOOPBACK_BMAC;
- bnx2x_acquire_phy_lock(bp);
- bnx2x_phy_init(&bp->link_params, &bp->link_vars);
- bnx2x_release_phy_lock(bp);
- } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
- bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
- bnx2x_acquire_phy_lock(bp);
- bnx2x_phy_init(&bp->link_params, &bp->link_vars);
- bnx2x_release_phy_lock(bp);
- /* wait until link state is restored */
- bnx2x_wait_for_link(bp, link_up);
- } else
- return -EINVAL;
- pkt_size = 1514;
- skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
- if (!skb) {
- rc = -ENOMEM;
- goto test_loopback_exit;
- }
- packet = skb_put(skb, pkt_size);
- memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
- memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
- for (i = ETH_HLEN; i < pkt_size; i++)
- packet[i] = (unsigned char) (i & 0xff);
- num_pkts = 0;
- tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
- rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
- pkt_prod = fp->tx_pkt_prod++;
- tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
- tx_buf->first_bd = fp->tx_bd_prod;
- tx_buf->skb = skb;
- tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
- mapping = pci_map_single(bp->pdev, skb->data,
- skb_headlen(skb), PCI_DMA_TODEVICE);
- tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
- tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
- tx_bd->nbd = cpu_to_le16(1);
- tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
- tx_bd->vlan = cpu_to_le16(pkt_prod);
- tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
- ETH_TX_BD_FLAGS_END_BD);
- tx_bd->general_data = ((UNICAST_ADDRESS <<
- ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
- fp->hw_tx_prods->bds_prod =
- cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
- mb(); /* FW restriction: must not reorder writing nbd and packets */
- fp->hw_tx_prods->packets_prod =
- cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
- DOORBELL(bp, FP_IDX(fp), 0);
- mmiowb();
- num_pkts++;
- fp->tx_bd_prod++;
- bp->dev->trans_start = jiffies;
- udelay(100);
- tx_idx = le16_to_cpu(*fp->tx_cons_sb);
- if (tx_idx != tx_start_idx + num_pkts)
- goto test_loopback_exit;
- rx_idx = le16_to_cpu(*fp->rx_cons_sb);
- if (rx_idx != rx_start_idx + num_pkts)
- goto test_loopback_exit;
- cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
- cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
- if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
- goto test_loopback_rx_exit;
- len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
- if (len != pkt_size)
- goto test_loopback_rx_exit;
- rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
- skb = rx_buf->skb;
- skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
- for (i = ETH_HLEN; i < pkt_size; i++)
- if (*(skb->data + i) != (unsigned char) (i & 0xff))
- goto test_loopback_rx_exit;
- rc = 0;
- test_loopback_rx_exit:
- fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
- fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
- fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
- fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
- /* Update producers */
- bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
- fp->rx_sge_prod);
- mmiowb(); /* keep prod updates ordered */
- test_loopback_exit:
- bp->link_params.loopback_mode = LOOPBACK_NONE;
- return rc;
- }
- static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
- {
- int rc = 0;
- if (!netif_running(bp->dev))
- return BNX2X_LOOPBACK_FAILED;
- bnx2x_netif_stop(bp, 1);
- if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
- DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
- rc |= BNX2X_MAC_LOOPBACK_FAILED;
- }
- if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
- DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
- rc |= BNX2X_PHY_LOOPBACK_FAILED;
- }
- bnx2x_netif_start(bp);
- return rc;
- }
- #define CRC32_RESIDUAL 0xdebb20e3
- static int bnx2x_test_nvram(struct bnx2x *bp)
- {
- static const struct {
- int offset;
- int size;
- } nvram_tbl[] = {
- { 0, 0x14 }, /* bootstrap */
- { 0x14, 0xec }, /* dir */
- { 0x100, 0x350 }, /* manuf_info */
- { 0x450, 0xf0 }, /* feature_info */
- { 0x640, 0x64 }, /* upgrade_key_info */
- { 0x6a4, 0x64 },
- { 0x708, 0x70 }, /* manuf_key_info */
- { 0x778, 0x70 },
- { 0, 0 }
- };
- u32 buf[0x350 / 4];
- u8 *data = (u8 *)buf;
- int i, rc;
- u32 magic, csum;
- rc = bnx2x_nvram_read(bp, 0, data, 4);
- if (rc) {
- DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
- goto test_nvram_exit;
- }
- magic = be32_to_cpu(buf[0]);
- if (magic != 0x669955aa) {
- DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
- rc = -ENODEV;
- goto test_nvram_exit;
- }
- for (i = 0; nvram_tbl[i].size; i++) {
- rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
- nvram_tbl[i].size);
- if (rc) {
- DP(NETIF_MSG_PROBE,
- "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
- goto test_nvram_exit;
- }
- csum = ether_crc_le(nvram_tbl[i].size, data);
- if (csum != CRC32_RESIDUAL) {
- DP(NETIF_MSG_PROBE,
- "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
- rc = -ENODEV;
- goto test_nvram_exit;
- }
- }
- test_nvram_exit:
- return rc;
- }
- static int bnx2x_test_intr(struct bnx2x *bp)
- {
- struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
- int i, rc;
- if (!netif_running(bp->dev))
- return -ENODEV;
- config->hdr.length_6b = 0;
- config->hdr.offset = 0;
- config->hdr.client_id = BP_CL_ID(bp);
- config->hdr.reserved1 = 0;
- rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
- U64_HI(bnx2x_sp_mapping(bp, mac_config)),
- U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
- if (rc == 0) {
- bp->set_mac_pending++;
- for (i = 0; i < 10; i++) {
- if (!bp->set_mac_pending)
- break;
- msleep_interruptible(10);
- }
- if (i == 10)
- rc = -ENODEV;
- }
- return rc;
- }
- static void bnx2x_self_test(struct net_device *dev,
- struct ethtool_test *etest, u64 *buf)
- {
- struct bnx2x *bp = netdev_priv(dev);
- memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
- if (!netif_running(dev))
- return;
- /* offline tests are not supported in MF mode */
- if (IS_E1HMF(bp))
- etest->flags &= ~ETH_TEST_FL_OFFLINE;
- if (etest->flags & ETH_TEST_FL_OFFLINE) {
- u8 link_up;
- link_up = bp->link_vars.link_up;
- bnx2x_nic_unload(bp, UNLOAD_NORMAL);
- bnx2x_nic_load(bp, LOAD_DIAG);
- /* wait until link state is restored */
- bnx2x_wait_for_link(bp, link_up);
- if (bnx2x_test_registers(bp) != 0) {
- buf[0] = 1;
- etest->flags |= ETH_TEST_FL_FAILED;
- }
- if (bnx2x_test_memory(bp) != 0) {
- buf[1] = 1;
- etest->flags |= ETH_TEST_FL_FAILED;
- }
- buf[2] = bnx2x_test_loopback(bp, link_up);
- if (buf[2] != 0)
- etest->flags |= ETH_TEST_FL_FAILED;
- bnx2x_nic_unload(bp, UNLOAD_NORMAL);
- bnx2x_nic_load(bp, LOAD_NORMAL);
- /* wait until link state is restored */
- bnx2x_wait_for_link(bp, link_up);
- }
- if (bnx2x_test_nvram(bp) != 0) {
- buf[3] = 1;
- etest->flags |= ETH_TEST_FL_FAILED;
- }
- if (bnx2x_test_intr(bp) != 0) {
- buf[4] = 1;
- etest->flags |= ETH_TEST_FL_FAILED;
- }
- if (bp->port.pmf)
- if (bnx2x_link_test(bp) != 0) {
- buf[5] = 1;
- etest->flags |= ETH_TEST_FL_FAILED;
- }
- buf[7] = bnx2x_mc_assert(bp);
- if (buf[7] != 0)
- etest->flags |= ETH_TEST_FL_FAILED;
- #ifdef BNX2X_EXTRA_DEBUG
- bnx2x_panic_dump(bp);
- #endif
- }
- static const struct {
- long offset;
- int size;
- u32 flags;
- #define STATS_FLAGS_PORT 1
- #define STATS_FLAGS_FUNC 2
- u8 string[ETH_GSTRING_LEN];
- } bnx2x_stats_arr[BNX2X_NUM_STATS] = {
- /* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
- 8, STATS_FLAGS_FUNC, "rx_bytes" },
- { STATS_OFFSET32(error_bytes_received_hi),
- 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
- { STATS_OFFSET32(total_bytes_transmitted_hi),
- 8, STATS_FLAGS_FUNC, "tx_bytes" },
- { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
- 8, STATS_FLAGS_PORT, "tx_error_bytes" },
- { STATS_OFFSET32(total_unicast_packets_received_hi),
- 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
- { STATS_OFFSET32(total_multicast_packets_received_hi),
- 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
- { STATS_OFFSET32(total_broadcast_packets_received_hi),
- 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
- { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
- 8, STATS_FLAGS_FUNC, "tx_packets" },
- { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
- 8, STATS_FLAGS_PORT, "tx_mac_errors" },
- /* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
- 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
- { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
- 8, STATS_FLAGS_PORT, "rx_crc_errors" },
- { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
- 8, STATS_FLAGS_PORT, "rx_align_errors" },
- { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
- 8, STATS_FLAGS_PORT, "tx_single_collisions" },
- { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
- 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
- { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
- 8, STATS_FLAGS_PORT, "tx_deferred" },
- { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
- 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
- { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
- 8, STATS_FLAGS_PORT, "tx_late_collisions" },
- { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
- 8, STATS_FLAGS_PORT, "tx_total_collisions" },
- { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
- 8, STATS_FLAGS_PORT, "rx_fragments" },
- /* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
- 8, STATS_FLAGS_PORT, "rx_jabbers" },
- { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
- 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
- { STATS_OFFSET32(jabber_packets_received),
- 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
- { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
- 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
- { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
- 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
- { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
- 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
- { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
- 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
- { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
- 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
- { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
- 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
- { STATS_OFFSET32(etherstatspktsover1522octets_hi),
- 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
- /* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
- 8, STATS_FLAGS_PORT, "rx_xon_frames" },
- { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
- 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
- { STATS_OFFSET32(tx_stat_outxonsent_hi),
- 8, STATS_FLAGS_PORT, "tx_xon_frames" },
- { STATS_OFFSET32(tx_stat_outxoffsent_hi),
- 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
- { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
- 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
- { STATS_OFFSET32(mac_filter_discard),
- 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
- { STATS_OFFSET32(no_buff_discard),
- 4, STATS_FLAGS_FUNC, "rx_discards" },
- { STATS_OFFSET32(xxoverflow_discard),
- 4, STATS_FLAGS_PORT, "rx_fw_discards" },
- { STATS_OFFSET32(brb_drop_hi),
- 8, STATS_FLAGS_PORT, "brb_discard" },
- { STATS_OFFSET32(brb_truncate_hi),
- 8, STATS_FLAGS_PORT, "brb_truncate" },
- /* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
- 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
- { STATS_OFFSET32(rx_skb_alloc_failed),
- 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
- /* 42 */{ STATS_OFFSET32(hw_csum_err),
- 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
- };
- #define IS_NOT_E1HMF_STAT(bp, i) \
- (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
- static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
- {
- struct bnx2x *bp = netdev_priv(dev);
- int i, j;
- switch (stringset) {
- case ETH_SS_STATS:
- for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
- if (IS_NOT_E1HMF_STAT(bp, i))
- continue;
- strcpy(buf + j*ETH_GSTRING_LEN,
- bnx2x_stats_arr[i].string);
- j++;
- }
- break;
- case ETH_SS_TEST:
- memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
- break;
- }
- }
- static int bnx2x_get_stats_count(struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- int i, num_stats = 0;
- for (i = 0; i < BNX2X_NUM_STATS; i++) {
- if (IS_NOT_E1HMF_STAT(bp, i))
- continue;
- num_stats++;
- }
- return num_stats;
- }
- static void bnx2x_get_ethtool_stats(struct net_device *dev,
- struct ethtool_stats *stats, u64 *buf)
- {
- struct bnx2x *bp = netdev_priv(dev);
- u32 *hw_stats = (u32 *)&bp->eth_stats;
- int i, j;
- for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
- if (IS_NOT_E1HMF_STAT(bp, i))
- continue;
- if (bnx2x_stats_arr[i].size == 0) {
- /* skip this counter */
- buf[j] = 0;
- j++;
- continue;
- }
- if (bnx2x_stats_arr[i].size == 4) {
- /* 4-byte counter */
- buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
- j++;
- continue;
- }
- /* 8-byte counter */
- buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
- *(hw_stats + bnx2x_stats_arr[i].offset + 1));
- j++;
- }
- }
- static int bnx2x_phys_id(struct net_device *dev, u32 data)
- {
- struct bnx2x *bp = netdev_priv(dev);
- int port = BP_PORT(bp);
- int i;
- if (!netif_running(dev))
- return 0;
- if (!bp->port.pmf)
- return 0;
- if (data == 0)
- data = 2;
- for (i = 0; i < (data * 2); i++) {
- if ((i % 2) == 0)
- bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
- bp->link_params.hw_led_mode,
- bp->link_params.chip_id);
- else
- bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
- bp->link_params.hw_led_mode,
- bp->link_params.chip_id);
- msleep_interruptible(500);
- if (signal_pending(current))
- break;
- }
- if (bp->link_vars.link_up)
- bnx2x_set_led(bp, port, LED_MODE_OPER,
- bp->link_vars.line_speed,
- bp->link_params.hw_led_mode,
- bp->link_params.chip_id);
- return 0;
- }
- static struct ethtool_ops bnx2x_ethtool_ops = {
- .get_settings = bnx2x_get_settings,
- .set_settings = bnx2x_set_settings,
- .get_drvinfo = bnx2x_get_drvinfo,
- .get_wol = bnx2x_get_wol,
- .set_wol = bnx2x_set_wol,
- .get_msglevel = bnx2x_get_msglevel,
- .set_msglevel = bnx2x_set_msglevel,
- .nway_reset = bnx2x_nway_reset,
- .get_link = ethtool_op_get_link,
- .get_eeprom_len = bnx2x_get_eeprom_len,
- .get_eeprom = bnx2x_get_eeprom,
- .set_eeprom = bnx2x_set_eeprom,
- .get_coalesce = bnx2x_get_coalesce,
- .set_coalesce = bnx2x_set_coalesce,
- .get_ringparam = bnx2x_get_ringparam,
- .set_ringparam = bnx2x_set_ringparam,
- .get_pauseparam = bnx2x_get_pauseparam,
- .set_pauseparam = bnx2x_set_pauseparam,
- .get_rx_csum = bnx2x_get_rx_csum,
- .set_rx_csum = bnx2x_set_rx_csum,
- .get_tx_csum = ethtool_op_get_tx_csum,
- .set_tx_csum = ethtool_op_set_tx_hw_csum,
- .set_flags = bnx2x_set_flags,
- .get_flags = ethtool_op_get_flags,
- .get_sg = ethtool_op_get_sg,
- .set_sg = ethtool_op_set_sg,
- .get_tso = ethtool_op_get_tso,
- .set_tso = bnx2x_set_tso,
- .self_test_count = bnx2x_self_test_count,
- .self_test = bnx2x_self_test,
- .get_strings = bnx2x_get_strings,
- .phys_id = bnx2x_phys_id,
- .get_stats_count = bnx2x_get_stats_count,
- .get_ethtool_stats = bnx2x_get_ethtool_stats,
- };
- /* end of ethtool_ops */
- /****************************************************************************
- * General service functions
- ****************************************************************************/
- static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
- {
- u16 pmcsr;
- pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
- switch (state) {
- case PCI_D0:
- pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
- ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
- PCI_PM_CTRL_PME_STATUS));
- if (pmcsr & PCI_PM_CTRL_STATE_MASK)
- /* delay required during transition out of D3hot */
- msleep(20);
- break;
- case PCI_D3hot:
- pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
- pmcsr |= 3;
- if (bp->wol)
- pmcsr |= PCI_PM_CTRL_PME_ENABLE;
- pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
- pmcsr);
- /* No more memory access after this point until
- * device is brought back to D0.
- */
- break;
- default:
- return -EINVAL;
- }
- return 0;
- }
- /*
- * net_device service functions
- */
- static int bnx2x_poll(struct napi_struct *napi, int budget)
- {
- struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
- napi);
- struct bnx2x *bp = fp->bp;
- int work_done = 0;
- u16 rx_cons_sb;
- #ifdef BNX2X_STOP_ON_ERROR
- if (unlikely(bp->panic))
- goto poll_panic;
- #endif
- prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
- prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
- prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
- bnx2x_update_fpsb_idx(fp);
- if (BNX2X_HAS_TX_WORK(fp))
- bnx2x_tx_int(fp, budget);
- rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
- if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
- rx_cons_sb++;
- if (BNX2X_HAS_RX_WORK(fp))
- work_done = bnx2x_rx_int(fp, budget);
- rmb(); /* BNX2X_HAS_WORK() reads the status block */
- rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
- if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
- rx_cons_sb++;
- /* must not complete if we consumed full budget */
- if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
- #ifdef BNX2X_STOP_ON_ERROR
- poll_panic:
- #endif
- netif_rx_complete(napi);
- bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
- le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
- bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
- le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
- }
- return work_done;
- }
- /* we split the first BD into headers and data BDs
- * to ease the pain of our fellow microcode engineers
- * we use one mapping for both BDs
- * So far this has only been observed to happen
- * in Other Operating Systems(TM)
- */
- static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
- struct bnx2x_fastpath *fp,
- struct eth_tx_bd **tx_bd, u16 hlen,
- u16 bd_prod, int nbd)
- {
- struct eth_tx_bd *h_tx_bd = *tx_bd;
- struct eth_tx_bd *d_tx_bd;
- dma_addr_t mapping;
- int old_len = le16_to_cpu(h_tx_bd->nbytes);
- /* first fix first BD */
- h_tx_bd->nbd = cpu_to_le16(nbd);
- h_tx_bd->nbytes = cpu_to_le16(hlen);
- DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
- "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
- h_tx_bd->addr_lo, h_tx_bd->nbd);
- /* now get a new data BD
- * (after the pbd) and fill it */
- bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
- d_tx_bd = &fp->tx_desc_ring[bd_prod];
- mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
- le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
- d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
- d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
- d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
- d_tx_bd->vlan = 0;
- /* this marks the BD as one that has no individual mapping
- * the FW ignores this flag in a BD not marked start
- */
- d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
- DP(NETIF_MSG_TX_QUEUED,
- "TSO split data size is %d (%x:%x)\n",
- d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
- /* update tx_bd for marking the last BD flag */
- *tx_bd = d_tx_bd;
- return bd_prod;
- }
- static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
- {
- if (fix > 0)
- csum = (u16) ~csum_fold(csum_sub(csum,
- csum_partial(t_header - fix, fix, 0)));
- else if (fix < 0)
- csum = (u16) ~csum_fold(csum_add(csum,
- csum_partial(t_header, -fix, 0)));
- return swab16(csum);
- }
- static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
- {
- u32 rc;
- if (skb->ip_summed != CHECKSUM_PARTIAL)
- rc = XMIT_PLAIN;
- else {
- if (skb->protocol == ntohs(ETH_P_IPV6)) {
- rc = XMIT_CSUM_V6;
- if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
- rc |= XMIT_CSUM_TCP;
- } else {
- rc = XMIT_CSUM_V4;
- if (ip_hdr(skb)->protocol == IPPROTO_TCP)
- rc |= XMIT_CSUM_TCP;
- }
- }
- if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
- rc |= XMIT_GSO_V4;
- else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
- rc |= XMIT_GSO_V6;
- return rc;
- }
- /* check if packet requires linearization (packet is too fragmented) */
- static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
- u32 xmit_type)
- {
- int to_copy = 0;
- int hlen = 0;
- int first_bd_sz = 0;
- /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
- if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
- if (xmit_type & XMIT_GSO) {
- unsigned short lso_mss = skb_shinfo(skb)->gso_size;
- /* Check if LSO packet needs to be copied:
- 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
- int wnd_size = MAX_FETCH_BD - 3;
- /* Number of windows to check */
- int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
- int wnd_idx = 0;
- int frag_idx = 0;
- u32 wnd_sum = 0;
- /* Headers length */
- hlen = (int)(skb_transport_header(skb) - skb->data) +
- tcp_hdrlen(skb);
- /* Amount of data (w/o headers) on linear part of SKB*/
- first_bd_sz = skb_headlen(skb) - hlen;
- wnd_sum = first_bd_sz;
- /* Calculate the first sum - it's special */
- for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
- wnd_sum +=
- skb_shinfo(skb)->frags[frag_idx].size;
- /* If there was data on linear skb data - check it */
- if (first_bd_sz > 0) {
- if (unlikely(wnd_sum < lso_mss)) {
- to_copy = 1;
- goto exit_lbl;
- }
- wnd_sum -= first_bd_sz;
- }
- /* Others are easier: run through the frag list and
- check all windows */
- for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
- wnd_sum +=
- skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
- if (unlikely(wnd_sum < lso_mss)) {
- to_copy = 1;
- break;
- }
- wnd_sum -=
- skb_shinfo(skb)->frags[wnd_idx].size;
- }
- } else {
- /* in non-LSO too fragmented packet should always
- be linearized */
- to_copy = 1;
- }
- }
- exit_lbl:
- if (unlikely(to_copy))
- DP(NETIF_MSG_TX_QUEUED,
- "Linearization IS REQUIRED for %s packet. "
- "num_frags %d hlen %d first_bd_sz %d\n",
- (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
- skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
- return to_copy;
- }
- /* called with netif_tx_lock
- * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
- * netif_wake_queue()
- */
- static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- struct bnx2x_fastpath *fp;
- struct sw_tx_bd *tx_buf;
- struct eth_tx_bd *tx_bd;
- struct eth_tx_parse_bd *pbd = NULL;
- u16 pkt_prod, bd_prod;
- int nbd, fp_index;
- dma_addr_t mapping;
- u32 xmit_type = bnx2x_xmit_type(bp, skb);
- int vlan_off = (bp->e1hov ? 4 : 0);
- int i;
- u8 hlen = 0;
- #ifdef BNX2X_STOP_ON_ERROR
- if (unlikely(bp->panic))
- return NETDEV_TX_BUSY;
- #endif
- fp_index = (smp_processor_id() % bp->num_queues);
- fp = &bp->fp[fp_index];
- if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
- bp->eth_stats.driver_xoff++,
- netif_stop_queue(dev);
- BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
- return NETDEV_TX_BUSY;
- }
- DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
- " gso type %x xmit_type %x\n",
- skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
- ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
- /* First, check if we need to linearize the skb
- (due to FW restrictions) */
- if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
- /* Statistics of linearization */
- bp->lin_cnt++;
- if (skb_linearize(skb) != 0) {
- DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
- "silently dropping this SKB\n");
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
- }
- }
- /*
- Please read carefully. First we use one BD which we mark as start,
- then for TSO or xsum we have a parsing info BD,
- and only then we have the rest of the TSO BDs.
- (don't forget to mark the last one as last,
- and to unmap only AFTER you write to the BD ...)
- And above all, all pdb sizes are in words - NOT DWORDS!
- */
- pkt_prod = fp->tx_pkt_prod++;
- bd_prod = TX_BD(fp->tx_bd_prod);
- /* get a tx_buf and first BD */
- tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
- tx_bd = &fp->tx_desc_ring[bd_prod];
- tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
- tx_bd->general_data = (UNICAST_ADDRESS <<
- ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
- /* header nbd */
- tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
- /* remember the first BD of the packet */
- tx_buf->first_bd = fp->tx_bd_prod;
- tx_buf->skb = skb;
- DP(NETIF_MSG_TX_QUEUED,
- "sending pkt %u @%p next_idx %u bd %u @%p\n",
- pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
- if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
- tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
- tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
- vlan_off += 4;
- } else
- tx_bd->vlan = cpu_to_le16(pkt_prod);
- if (xmit_type) {
- /* turn on parsing and get a BD */
- bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
- pbd = (void *)&fp->tx_desc_ring[bd_prod];
- memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
- }
- if (xmit_type & XMIT_CSUM) {
- hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
- /* for now NS flag is not used in Linux */
- pbd->global_data = (hlen |
- ((skb->protocol == ntohs(ETH_P_8021Q)) <<
- ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
- pbd->ip_hlen = (skb_transport_header(skb) -
- skb_network_header(skb)) / 2;
- hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
- pbd->total_hlen = cpu_to_le16(hlen);
- hlen = hlen*2 - vlan_off;
- tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
- if (xmit_type & XMIT_CSUM_V4)
- tx_bd->bd_flags.as_bitfield |=
- ETH_TX_BD_FLAGS_IP_CSUM;
- else
- tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
- if (xmit_type & XMIT_CSUM_TCP) {
- pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
- } else {
- s8 fix = SKB_CS_OFF(skb); /* signed! */
- pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
- pbd->cs_offset = fix / 2;
- DP(NETIF_MSG_TX_QUEUED,
- "hlen %d offset %d fix %d csum before fix %x\n",
- le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
- SKB_CS(skb));
- /* HW bug: fixup the CSUM */
- pbd->tcp_pseudo_csum =
- bnx2x_csum_fix(skb_transport_header(skb),
- SKB_CS(skb), fix);
- DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
- pbd->tcp_pseudo_csum);
- }
- }
- mapping = pci_map_single(bp->pdev, skb->data,
- skb_headlen(skb), PCI_DMA_TODEVICE);
- tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
- tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
- nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
- tx_bd->nbd = cpu_to_le16(nbd);
- tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
- DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
- " nbytes %d flags %x vlan %x\n",
- tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
- le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
- le16_to_cpu(tx_bd->vlan));
- if (xmit_type & XMIT_GSO) {
- DP(NETIF_MSG_TX_QUEUED,
- "TSO packet len %d hlen %d total len %d tso size %d\n",
- skb->len, hlen, skb_headlen(skb),
- skb_shinfo(skb)->gso_size);
- tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
- if (unlikely(skb_headlen(skb) > hlen))
- bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
- bd_prod, ++nbd);
- pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
- pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
- pbd->tcp_flags = pbd_tcp_flags(skb);
- if (xmit_type & XMIT_GSO_V4) {
- pbd->ip_id = swab16(ip_hdr(skb)->id);
- pbd->tcp_pseudo_csum =
- swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
- ip_hdr(skb)->daddr,
- 0, IPPROTO_TCP, 0));
- } else
- pbd->tcp_pseudo_csum =
- swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
- &ipv6_hdr(skb)->daddr,
- 0, IPPROTO_TCP, 0));
- pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
- }
- for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
- skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
- tx_bd = &fp->tx_desc_ring[bd_prod];
- mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
- frag->size, PCI_DMA_TODEVICE);
- tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
- tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
- tx_bd->nbytes = cpu_to_le16(frag->size);
- tx_bd->vlan = cpu_to_le16(pkt_prod);
- tx_bd->bd_flags.as_bitfield = 0;
- DP(NETIF_MSG_TX_QUEUED,
- "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
- i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
- le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
- }
- /* now at last mark the BD as the last BD */
- tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
- DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
- tx_bd, tx_bd->bd_flags.as_bitfield);
- bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
- /* now send a tx doorbell, counting the next BD
- * if the packet contains or ends with it
- */
- if (TX_BD_POFF(bd_prod) < nbd)
- nbd++;
- if (pbd)
- DP(NETIF_MSG_TX_QUEUED,
- "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
- " tcp_flags %x xsum %x seq %u hlen %u\n",
- pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
- pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
- pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
- DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
- fp->hw_tx_prods->bds_prod =
- cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
- mb(); /* FW restriction: must not reorder writing nbd and packets */
- fp->hw_tx_prods->packets_prod =
- cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
- DOORBELL(bp, FP_IDX(fp), 0);
- mmiowb();
- fp->tx_bd_prod += nbd;
- dev->trans_start = jiffies;
- if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
- netif_stop_queue(dev);
- bp->eth_stats.driver_xoff++;
- if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
- netif_wake_queue(dev);
- }
- fp->tx_pkt++;
- return NETDEV_TX_OK;
- }
- /* called with rtnl_lock */
- static int bnx2x_open(struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- bnx2x_set_power_state(bp, PCI_D0);
- return bnx2x_nic_load(bp, LOAD_OPEN);
- }
- /* called with rtnl_lock */
- static int bnx2x_close(struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- /* Unload the driver, release IRQs */
- bnx2x_nic_unload(bp, UNLOAD_CLOSE);
- if (atomic_read(&bp->pdev->enable_cnt) == 1)
- if (!CHIP_REV_IS_SLOW(bp))
- bnx2x_set_power_state(bp, PCI_D3hot);
- return 0;
- }
- /* called with netif_tx_lock from set_multicast */
- static void bnx2x_set_rx_mode(struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- u32 rx_mode = BNX2X_RX_MODE_NORMAL;
- int port = BP_PORT(bp);
- if (bp->state != BNX2X_STATE_OPEN) {
- DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
- return;
- }
- DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
- if (dev->flags & IFF_PROMISC)
- rx_mode = BNX2X_RX_MODE_PROMISC;
- else if ((dev->flags & IFF_ALLMULTI) ||
- ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
- rx_mode = BNX2X_RX_MODE_ALLMULTI;
- else { /* some multicasts */
- if (CHIP_IS_E1(bp)) {
- int i, old, offset;
- struct dev_mc_list *mclist;
- struct mac_configuration_cmd *config =
- bnx2x_sp(bp, mcast_config);
- for (i = 0, mclist = dev->mc_list;
- mclist && (i < dev->mc_count);
- i++, mclist = mclist->next) {
- config->config_table[i].
- cam_entry.msb_mac_addr =
- swab16(*(u16 *)&mclist->dmi_addr[0]);
- config->config_table[i].
- cam_entry.middle_mac_addr =
- swab16(*(u16 *)&mclist->dmi_addr[2]);
- config->config_table[i].
- cam_entry.lsb_mac_addr =
- swab16(*(u16 *)&mclist->dmi_addr[4]);
- config->config_table[i].cam_entry.flags =
- cpu_to_le16(port);
- config->config_table[i].
- target_table_entry.flags = 0;
- config->config_table[i].
- target_table_entry.client_id = 0;
- config->config_table[i].
- target_table_entry.vlan_id = 0;
- DP(NETIF_MSG_IFUP,
- "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
- config->config_table[i].
- cam_entry.msb_mac_addr,
- config->config_table[i].
- cam_entry.middle_mac_addr,
- config->config_table[i].
- cam_entry.lsb_mac_addr);
- }
- old = config->hdr.length_6b;
- if (old > i) {
- for (; i < old; i++) {
- if (CAM_IS_INVALID(config->
- config_table[i])) {
- i--; /* already invalidated */
- break;
- }
- /* invalidate */
- CAM_INVALIDATE(config->
- config_table[i]);
- }
- }
- if (CHIP_REV_IS_SLOW(bp))
- offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
- else
- offset = BNX2X_MAX_MULTICAST*(1 + port);
- config->hdr.length_6b = i;
- config->hdr.offset = offset;
- config->hdr.client_id = BP_CL_ID(bp);
- config->hdr.reserved1 = 0;
- bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
- U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
- U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
- 0);
- } else { /* E1H */
- /* Accept one or more multicasts */
- struct dev_mc_list *mclist;
- u32 mc_filter[MC_HASH_SIZE];
- u32 crc, bit, regidx;
- int i;
- memset(mc_filter, 0, 4 * MC_HASH_SIZE);
- for (i = 0, mclist = dev->mc_list;
- mclist && (i < dev->mc_count);
- i++, mclist = mclist->next) {
- DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
- mclist->dmi_addr);
- crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
- bit = (crc >> 24) & 0xff;
- regidx = bit >> 5;
- bit &= 0x1f;
- mc_filter[regidx] |= (1 << bit);
- }
- for (i = 0; i < MC_HASH_SIZE; i++)
- REG_WR(bp, MC_HASH_OFFSET(bp, i),
- mc_filter[i]);
- }
- }
- bp->rx_mode = rx_mode;
- bnx2x_set_storm_rx_mode(bp);
- }
- /* called with rtnl_lock */
- static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
- {
- struct sockaddr *addr = p;
- struct bnx2x *bp = netdev_priv(dev);
- if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
- return -EINVAL;
- memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
- if (netif_running(dev)) {
- if (CHIP_IS_E1(bp))
- bnx2x_set_mac_addr_e1(bp, 1);
- else
- bnx2x_set_mac_addr_e1h(bp, 1);
- }
- return 0;
- }
- /* called with rtnl_lock */
- static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
- {
- struct mii_ioctl_data *data = if_mii(ifr);
- struct bnx2x *bp = netdev_priv(dev);
- int port = BP_PORT(bp);
- int err;
- switch (cmd) {
- case SIOCGMIIPHY:
- data->phy_id = bp->port.phy_addr;
- /* fallthrough */
- case SIOCGMIIREG: {
- u16 mii_regval;
- if (!netif_running(dev))
- return -EAGAIN;
- mutex_lock(&bp->port.phy_mutex);
- err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
- DEFAULT_PHY_DEV_ADDR,
- (data->reg_num & 0x1f), &mii_regval);
- data->val_out = mii_regval;
- mutex_unlock(&bp->port.phy_mutex);
- return err;
- }
- case SIOCSMIIREG:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- if (!netif_running(dev))
- return -EAGAIN;
- mutex_lock(&bp->port.phy_mutex);
- err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
- DEFAULT_PHY_DEV_ADDR,
- (data->reg_num & 0x1f), data->val_in);
- mutex_unlock(&bp->port.phy_mutex);
- return err;
- default:
- /* do nothing */
- break;
- }
- return -EOPNOTSUPP;
- }
- /* called with rtnl_lock */
- static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
- {
- struct bnx2x *bp = netdev_priv(dev);
- int rc = 0;
- if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
- ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
- return -EINVAL;
- /* This does not race with packet allocation
- * because the actual alloc size is
- * only updated as part of load
- */
- dev->mtu = new_mtu;
- if (netif_running(dev)) {
- bnx2x_nic_unload(bp, UNLOAD_NORMAL);
- rc = bnx2x_nic_load(bp, LOAD_NORMAL);
- }
- return rc;
- }
- static void bnx2x_tx_timeout(struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- #ifdef BNX2X_STOP_ON_ERROR
- if (!bp->panic)
- bnx2x_panic();
- #endif
- /* This allows the netif to be shutdown gracefully before resetting */
- schedule_work(&bp->reset_task);
- }
- #ifdef BCM_VLAN
- /* called with rtnl_lock */
- static void bnx2x_vlan_rx_register(struct net_device *dev,
- struct vlan_group *vlgrp)
- {
- struct bnx2x *bp = netdev_priv(dev);
- bp->vlgrp = vlgrp;
- if (netif_running(dev))
- bnx2x_set_client_config(bp);
- }
- #endif
- #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
- static void poll_bnx2x(struct net_device *dev)
- {
- struct bnx2x *bp = netdev_priv(dev);
- disable_irq(bp->pdev->irq);
- bnx2x_interrupt(bp->pdev->irq, dev);
- enable_irq(bp->pdev->irq);
- }
- #endif
- static const struct net_device_ops bnx2x_netdev_ops = {
- .ndo_open = bnx2x_open,
- .ndo_stop = bnx2x_close,
- .ndo_start_xmit = bnx2x_start_xmit,
- .ndo_set_multicast_list = bnx2x_set_rx_mode,
- .ndo_set_mac_address = bnx2x_change_mac_addr,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_do_ioctl = bnx2x_ioctl,
- .ndo_change_mtu = bnx2x_change_mtu,
- .ndo_tx_timeout = bnx2x_tx_timeout,
- #ifdef BCM_VLAN
- .ndo_vlan_rx_register = bnx2x_vlan_rx_register,
- #endif
- #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
- .ndo_poll_controller = poll_bnx2x,
- #endif
- };
- static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
- struct net_device *dev)
- {
- struct bnx2x *bp;
- int rc;
- SET_NETDEV_DEV(dev, &pdev->dev);
- bp = netdev_priv(dev);
- bp->dev = dev;
- bp->pdev = pdev;
- bp->flags = 0;
- bp->func = PCI_FUNC(pdev->devfn);
- rc = pci_enable_device(pdev);
- if (rc) {
- printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
- goto err_out;
- }
- if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
- printk(KERN_ERR PFX "Cannot find PCI device base address,"
- " aborting\n");
- rc = -ENODEV;
- goto err_out_disable;
- }
- if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
- printk(KERN_ERR PFX "Cannot find second PCI device"
- " base address, aborting\n");
- rc = -ENODEV;
- goto err_out_disable;
- }
- if (atomic_read(&pdev->enable_cnt) == 1) {
- rc = pci_request_regions(pdev, DRV_MODULE_NAME);
- if (rc) {
- printk(KERN_ERR PFX "Cannot obtain PCI resources,"
- " aborting\n");
- goto err_out_disable;
- }
- pci_set_master(pdev);
- pci_save_state(pdev);
- }
- bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
- if (bp->pm_cap == 0) {
- printk(KERN_ERR PFX "Cannot find power management"
- " capability, aborting\n");
- rc = -EIO;
- goto err_out_release;
- }
- bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
- if (bp->pcie_cap == 0) {
- printk(KERN_ERR PFX "Cannot find PCI Express capability,"
- " aborting\n");
- rc = -EIO;
- goto err_out_release;
- }
- if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
- bp->flags |= USING_DAC_FLAG;
- if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
- printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
- " failed, aborting\n");
- rc = -EIO;
- goto err_out_release;
- }
- } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
- printk(KERN_ERR PFX "System does not support DMA,"
- " aborting\n");
- rc = -EIO;
- goto err_out_release;
- }
- dev->mem_start = pci_resource_start(pdev, 0);
- dev->base_addr = dev->mem_start;
- dev->mem_end = pci_resource_end(pdev, 0);
- dev->irq = pdev->irq;
- bp->regview = pci_ioremap_bar(pdev, 0);
- if (!bp->regview) {
- printk(KERN_ERR PFX "Cannot map register space, aborting\n");
- rc = -ENOMEM;
- goto err_out_release;
- }
- bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
- min_t(u64, BNX2X_DB_SIZE,
- pci_resource_len(pdev, 2)));
- if (!bp->doorbells) {
- printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
- rc = -ENOMEM;
- goto err_out_unmap;
- }
- bnx2x_set_power_state(bp, PCI_D0);
- /* clean indirect addresses */
- pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
- PCICFG_VENDOR_ID_OFFSET);
- REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
- REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
- REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
- REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
- dev->watchdog_timeo = TX_TIMEOUT;
- dev->netdev_ops = &bnx2x_netdev_ops;
- dev->ethtool_ops = &bnx2x_ethtool_ops;
- dev->features |= NETIF_F_SG;
- dev->features |= NETIF_F_HW_CSUM;
- if (bp->flags & USING_DAC_FLAG)
- dev->features |= NETIF_F_HIGHDMA;
- #ifdef BCM_VLAN
- dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
- #endif
- dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
- dev->features |= NETIF_F_TSO6;
- return 0;
- err_out_unmap:
- if (bp->regview) {
- iounmap(bp->regview);
- bp->regview = NULL;
- }
- if (bp->doorbells) {
- iounmap(bp->doorbells);
- bp->doorbells = NULL;
- }
- err_out_release:
- if (atomic_read(&pdev->enable_cnt) == 1)
- pci_release_regions(pdev);
- err_out_disable:
- pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
- err_out:
- return rc;
- }
- static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
- {
- u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
- val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
- return val;
- }
- /* return value of 1=2.5GHz 2=5GHz */
- static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
- {
- u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
- val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
- return val;
- }
- static int __devinit bnx2x_init_one(struct pci_dev *pdev,
- const struct pci_device_id *ent)
- {
- static int version_printed;
- struct net_device *dev = NULL;
- struct bnx2x *bp;
- int rc;
- if (version_printed++ == 0)
- printk(KERN_INFO "%s", version);
- /* dev zeroed in init_etherdev */
- dev = alloc_etherdev(sizeof(*bp));
- if (!dev) {
- printk(KERN_ERR PFX "Cannot allocate net device\n");
- return -ENOMEM;
- }
- bp = netdev_priv(dev);
- bp->msglevel = debug;
- rc = bnx2x_init_dev(pdev, dev);
- if (rc < 0) {
- free_netdev(dev);
- return rc;
- }
- rc = register_netdev(dev);
- if (rc) {
- dev_err(&pdev->dev, "Cannot register net device\n");
- goto init_one_exit;
- }
- pci_set_drvdata(pdev, dev);
- rc = bnx2x_init_bp(bp);
- if (rc) {
- unregister_netdev(dev);
- goto init_one_exit;
- }
- netif_carrier_off(dev);
- bp->common.name = board_info[ent->driver_data].name;
- printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
- " IRQ %d, ", dev->name, bp->common.name,
- (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
- bnx2x_get_pcie_width(bp),
- (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
- dev->base_addr, bp->pdev->irq);
- printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
- return 0;
- init_one_exit:
- if (bp->regview)
- iounmap(bp->regview);
- if (bp->doorbells)
- iounmap(bp->doorbells);
- free_netdev(dev);
- if (atomic_read(&pdev->enable_cnt) == 1)
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
- return rc;
- }
- static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2x *bp;
- if (!dev) {
- printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
- return;
- }
- bp = netdev_priv(dev);
- unregister_netdev(dev);
- if (bp->regview)
- iounmap(bp->regview);
- if (bp->doorbells)
- iounmap(bp->doorbells);
- free_netdev(dev);
- if (atomic_read(&pdev->enable_cnt) == 1)
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
- }
- static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2x *bp;
- if (!dev) {
- printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
- return -ENODEV;
- }
- bp = netdev_priv(dev);
- rtnl_lock();
- pci_save_state(pdev);
- if (!netif_running(dev)) {
- rtnl_unlock();
- return 0;
- }
- netif_device_detach(dev);
- bnx2x_nic_unload(bp, UNLOAD_CLOSE);
- bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
- rtnl_unlock();
- return 0;
- }
- static int bnx2x_resume(struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2x *bp;
- int rc;
- if (!dev) {
- printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
- return -ENODEV;
- }
- bp = netdev_priv(dev);
- rtnl_lock();
- pci_restore_state(pdev);
- if (!netif_running(dev)) {
- rtnl_unlock();
- return 0;
- }
- bnx2x_set_power_state(bp, PCI_D0);
- netif_device_attach(dev);
- rc = bnx2x_nic_load(bp, LOAD_OPEN);
- rtnl_unlock();
- return rc;
- }
- static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
- {
- int i;
- bp->state = BNX2X_STATE_ERROR;
- bp->rx_mode = BNX2X_RX_MODE_NONE;
- bnx2x_netif_stop(bp, 0);
- del_timer_sync(&bp->timer);
- bp->stats_state = STATS_STATE_DISABLED;
- DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
- /* Release IRQs */
- bnx2x_free_irq(bp);
- if (CHIP_IS_E1(bp)) {
- struct mac_configuration_cmd *config =
- bnx2x_sp(bp, mcast_config);
- for (i = 0; i < config->hdr.length_6b; i++)
- CAM_INVALIDATE(config->config_table[i]);
- }
- /* Free SKBs, SGEs, TPA pool and driver internals */
- bnx2x_free_skbs(bp);
- for_each_queue(bp, i)
- bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
- bnx2x_free_mem(bp);
- bp->state = BNX2X_STATE_CLOSED;
- netif_carrier_off(bp->dev);
- return 0;
- }
- static void bnx2x_eeh_recover(struct bnx2x *bp)
- {
- u32 val;
- mutex_init(&bp->port.phy_mutex);
- bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
- bp->link_params.shmem_base = bp->common.shmem_base;
- BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
- if (!bp->common.shmem_base ||
- (bp->common.shmem_base < 0xA0000) ||
- (bp->common.shmem_base >= 0xC0000)) {
- BNX2X_DEV_INFO("MCP not active\n");
- bp->flags |= NO_MCP_FLAG;
- return;
- }
- val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
- if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
- != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
- BNX2X_ERR("BAD MCP validity signature\n");
- if (!BP_NOMCP(bp)) {
- bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
- & DRV_MSG_SEQ_NUMBER_MASK);
- BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
- }
- }
- /**
- * bnx2x_io_error_detected - called when PCI error is detected
- * @pdev: Pointer to PCI device
- * @state: The current pci connection state
- *
- * This function is called after a PCI bus error affecting
- * this device has been detected.
- */
- static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
- pci_channel_state_t state)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2x *bp = netdev_priv(dev);
- rtnl_lock();
- netif_device_detach(dev);
- if (netif_running(dev))
- bnx2x_eeh_nic_unload(bp);
- pci_disable_device(pdev);
- rtnl_unlock();
- /* Request a slot reset */
- return PCI_ERS_RESULT_NEED_RESET;
- }
- /**
- * bnx2x_io_slot_reset - called after the PCI bus has been reset
- * @pdev: Pointer to PCI device
- *
- * Restart the card from scratch, as if from a cold-boot.
- */
- static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2x *bp = netdev_priv(dev);
- rtnl_lock();
- if (pci_enable_device(pdev)) {
- dev_err(&pdev->dev,
- "Cannot re-enable PCI device after reset\n");
- rtnl_unlock();
- return PCI_ERS_RESULT_DISCONNECT;
- }
- pci_set_master(pdev);
- pci_restore_state(pdev);
- if (netif_running(dev))
- bnx2x_set_power_state(bp, PCI_D0);
- rtnl_unlock();
- return PCI_ERS_RESULT_RECOVERED;
- }
- /**
- * bnx2x_io_resume - called when traffic can start flowing again
- * @pdev: Pointer to PCI device
- *
- * This callback is called when the error recovery driver tells us that
- * its OK to resume normal operation.
- */
- static void bnx2x_io_resume(struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct bnx2x *bp = netdev_priv(dev);
- rtnl_lock();
- bnx2x_eeh_recover(bp);
- if (netif_running(dev))
- bnx2x_nic_load(bp, LOAD_NORMAL);
- netif_device_attach(dev);
- rtnl_unlock();
- }
- static struct pci_error_handlers bnx2x_err_handler = {
- .error_detected = bnx2x_io_error_detected,
- .slot_reset = bnx2x_io_slot_reset,
- .resume = bnx2x_io_resume,
- };
- static struct pci_driver bnx2x_pci_driver = {
- .name = DRV_MODULE_NAME,
- .id_table = bnx2x_pci_tbl,
- .probe = bnx2x_init_one,
- .remove = __devexit_p(bnx2x_remove_one),
- .suspend = bnx2x_suspend,
- .resume = bnx2x_resume,
- .err_handler = &bnx2x_err_handler,
- };
- static int __init bnx2x_init(void)
- {
- return pci_register_driver(&bnx2x_pci_driver);
- }
- static void __exit bnx2x_cleanup(void)
- {
- pci_unregister_driver(&bnx2x_pci_driver);
- }
- module_init(bnx2x_init);
- module_exit(bnx2x_cleanup);
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