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- /*
- * QLogic qlcnic NIC Driver
- * Copyright (c) 2009-2010 QLogic Corporation
- *
- * See LICENSE.qlcnic for copyright and licensing details.
- */
- #include "qlcnic.h"
- #include <linux/slab.h>
- #include <net/ip.h>
- #include <linux/bitops.h>
- #define MASK(n) ((1ULL<<(n))-1)
- #define OCM_WIN_P3P(addr) (addr & 0xffc0000)
- #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
- #define CRB_BLK(off) ((off >> 20) & 0x3f)
- #define CRB_SUBBLK(off) ((off >> 16) & 0xf)
- #define CRB_WINDOW_2M (0x130060)
- #define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
- #define CRB_INDIRECT_2M (0x1e0000UL)
- #ifndef readq
- static inline u64 readq(void __iomem *addr)
- {
- return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
- }
- #endif
- #ifndef writeq
- static inline void writeq(u64 val, void __iomem *addr)
- {
- writel(((u32) (val)), (addr));
- writel(((u32) (val >> 32)), (addr + 4));
- }
- #endif
- static const struct crb_128M_2M_block_map
- crb_128M_2M_map[64] __cacheline_aligned_in_smp = {
- {{{0, 0, 0, 0} } }, /* 0: PCI */
- {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */
- {1, 0x0110000, 0x0120000, 0x130000},
- {1, 0x0120000, 0x0122000, 0x124000},
- {1, 0x0130000, 0x0132000, 0x126000},
- {1, 0x0140000, 0x0142000, 0x128000},
- {1, 0x0150000, 0x0152000, 0x12a000},
- {1, 0x0160000, 0x0170000, 0x110000},
- {1, 0x0170000, 0x0172000, 0x12e000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {1, 0x01e0000, 0x01e0800, 0x122000},
- {0, 0x0000000, 0x0000000, 0x000000} } },
- {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
- {{{0, 0, 0, 0} } }, /* 3: */
- {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
- {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */
- {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */
- {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */
- {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {1, 0x08f0000, 0x08f2000, 0x172000} } },
- {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {1, 0x09f0000, 0x09f2000, 0x176000} } },
- {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {1, 0x0af0000, 0x0af2000, 0x17a000} } },
- {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
- {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
- {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
- {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
- {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
- {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
- {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
- {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
- {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
- {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
- {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
- {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
- {{{0, 0, 0, 0} } }, /* 23: */
- {{{0, 0, 0, 0} } }, /* 24: */
- {{{0, 0, 0, 0} } }, /* 25: */
- {{{0, 0, 0, 0} } }, /* 26: */
- {{{0, 0, 0, 0} } }, /* 27: */
- {{{0, 0, 0, 0} } }, /* 28: */
- {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
- {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
- {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
- {{{0} } }, /* 32: PCI */
- {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */
- {1, 0x2110000, 0x2120000, 0x130000},
- {1, 0x2120000, 0x2122000, 0x124000},
- {1, 0x2130000, 0x2132000, 0x126000},
- {1, 0x2140000, 0x2142000, 0x128000},
- {1, 0x2150000, 0x2152000, 0x12a000},
- {1, 0x2160000, 0x2170000, 0x110000},
- {1, 0x2170000, 0x2172000, 0x12e000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000},
- {0, 0x0000000, 0x0000000, 0x000000} } },
- {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
- {{{0} } }, /* 35: */
- {{{0} } }, /* 36: */
- {{{0} } }, /* 37: */
- {{{0} } }, /* 38: */
- {{{0} } }, /* 39: */
- {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
- {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
- {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
- {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
- {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
- {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
- {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
- {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
- {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
- {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
- {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
- {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
- {{{0} } }, /* 52: */
- {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
- {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
- {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
- {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
- {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
- {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
- {{{0} } }, /* 59: I2C0 */
- {{{0} } }, /* 60: I2C1 */
- {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
- {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
- {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */
- };
- /*
- * top 12 bits of crb internal address (hub, agent)
- */
- static const unsigned crb_hub_agt[64] = {
- 0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PS,
- QLCNIC_HW_CRB_HUB_AGT_ADR_MN,
- QLCNIC_HW_CRB_HUB_AGT_ADR_MS,
- 0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_SRE,
- QLCNIC_HW_CRB_HUB_AGT_ADR_NIU,
- QLCNIC_HW_CRB_HUB_AGT_ADR_QMN,
- QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1,
- QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2,
- QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3,
- QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q,
- QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR,
- QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4,
- QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGND,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3,
- 0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI,
- QLCNIC_HW_CRB_HUB_AGT_ADR_SN,
- 0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_EG,
- 0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PS,
- QLCNIC_HW_CRB_HUB_AGT_ADR_CAM,
- 0,
- 0,
- 0,
- 0,
- 0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR,
- 0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1,
- QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2,
- QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3,
- QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4,
- QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5,
- QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6,
- QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7,
- QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA,
- QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q,
- QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB,
- 0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8,
- QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9,
- QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0,
- 0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_SMB,
- QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1,
- 0,
- QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC,
- 0,
- };
- /* PCI Windowing for DDR regions. */
- #define QLCNIC_PCIE_SEM_TIMEOUT 10000
- int
- qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg)
- {
- int done = 0, timeout = 0;
- while (!done) {
- done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem)));
- if (done == 1)
- break;
- if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) {
- dev_err(&adapter->pdev->dev,
- "Failed to acquire sem=%d lock; holdby=%d\n",
- sem, id_reg ? QLCRD32(adapter, id_reg) : -1);
- return -EIO;
- }
- msleep(1);
- }
- if (id_reg)
- QLCWR32(adapter, id_reg, adapter->portnum);
- return 0;
- }
- void
- qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem)
- {
- QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem)));
- }
- static int
- qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter,
- struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
- {
- u32 i, producer, consumer;
- struct qlcnic_cmd_buffer *pbuf;
- struct cmd_desc_type0 *cmd_desc;
- struct qlcnic_host_tx_ring *tx_ring;
- i = 0;
- if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
- return -EIO;
- tx_ring = adapter->tx_ring;
- __netif_tx_lock_bh(tx_ring->txq);
- producer = tx_ring->producer;
- consumer = tx_ring->sw_consumer;
- if (nr_desc >= qlcnic_tx_avail(tx_ring)) {
- netif_tx_stop_queue(tx_ring->txq);
- smp_mb();
- if (qlcnic_tx_avail(tx_ring) > nr_desc) {
- if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
- netif_tx_wake_queue(tx_ring->txq);
- } else {
- adapter->stats.xmit_off++;
- __netif_tx_unlock_bh(tx_ring->txq);
- return -EBUSY;
- }
- }
- do {
- cmd_desc = &cmd_desc_arr[i];
- pbuf = &tx_ring->cmd_buf_arr[producer];
- pbuf->skb = NULL;
- pbuf->frag_count = 0;
- memcpy(&tx_ring->desc_head[producer],
- &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
- producer = get_next_index(producer, tx_ring->num_desc);
- i++;
- } while (i != nr_desc);
- tx_ring->producer = producer;
- qlcnic_update_cmd_producer(adapter, tx_ring);
- __netif_tx_unlock_bh(tx_ring->txq);
- return 0;
- }
- static int
- qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
- __le16 vlan_id, unsigned op)
- {
- struct qlcnic_nic_req req;
- struct qlcnic_mac_req *mac_req;
- struct qlcnic_vlan_req *vlan_req;
- u64 word;
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
- word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16);
- req.req_hdr = cpu_to_le64(word);
- mac_req = (struct qlcnic_mac_req *)&req.words[0];
- mac_req->op = op;
- memcpy(mac_req->mac_addr, addr, 6);
- vlan_req = (struct qlcnic_vlan_req *)&req.words[1];
- vlan_req->vlan_id = vlan_id;
- return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
- }
- static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr)
- {
- struct list_head *head;
- struct qlcnic_mac_list_s *cur;
- /* look up if already exists */
- list_for_each(head, &adapter->mac_list) {
- cur = list_entry(head, struct qlcnic_mac_list_s, list);
- if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0)
- return 0;
- }
- cur = kzalloc(sizeof(struct qlcnic_mac_list_s), GFP_ATOMIC);
- if (cur == NULL) {
- dev_err(&adapter->netdev->dev,
- "failed to add mac address filter\n");
- return -ENOMEM;
- }
- memcpy(cur->mac_addr, addr, ETH_ALEN);
- if (qlcnic_sre_macaddr_change(adapter,
- cur->mac_addr, 0, QLCNIC_MAC_ADD)) {
- kfree(cur);
- return -EIO;
- }
- list_add_tail(&cur->list, &adapter->mac_list);
- return 0;
- }
- void qlcnic_set_multi(struct net_device *netdev)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct netdev_hw_addr *ha;
- static const u8 bcast_addr[ETH_ALEN] = {
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
- };
- u32 mode = VPORT_MISS_MODE_DROP;
- if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
- return;
- qlcnic_nic_add_mac(adapter, adapter->mac_addr);
- qlcnic_nic_add_mac(adapter, bcast_addr);
- if (netdev->flags & IFF_PROMISC) {
- if (!(adapter->flags & QLCNIC_PROMISC_DISABLED))
- mode = VPORT_MISS_MODE_ACCEPT_ALL;
- goto send_fw_cmd;
- }
- if ((netdev->flags & IFF_ALLMULTI) ||
- (netdev_mc_count(netdev) > adapter->max_mc_count)) {
- mode = VPORT_MISS_MODE_ACCEPT_MULTI;
- goto send_fw_cmd;
- }
- if (!netdev_mc_empty(netdev)) {
- netdev_for_each_mc_addr(ha, netdev) {
- qlcnic_nic_add_mac(adapter, ha->addr);
- }
- }
- send_fw_cmd:
- if (mode == VPORT_MISS_MODE_ACCEPT_ALL) {
- qlcnic_alloc_lb_filters_mem(adapter);
- adapter->mac_learn = 1;
- } else {
- adapter->mac_learn = 0;
- }
- qlcnic_nic_set_promisc(adapter, mode);
- }
- int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
- {
- struct qlcnic_nic_req req;
- u64 word;
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- word = QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE |
- ((u64)adapter->portnum << 16);
- req.req_hdr = cpu_to_le64(word);
- req.words[0] = cpu_to_le64(mode);
- return qlcnic_send_cmd_descs(adapter,
- (struct cmd_desc_type0 *)&req, 1);
- }
- void qlcnic_free_mac_list(struct qlcnic_adapter *adapter)
- {
- struct qlcnic_mac_list_s *cur;
- struct list_head *head = &adapter->mac_list;
- while (!list_empty(head)) {
- cur = list_entry(head->next, struct qlcnic_mac_list_s, list);
- qlcnic_sre_macaddr_change(adapter,
- cur->mac_addr, 0, QLCNIC_MAC_DEL);
- list_del(&cur->list);
- kfree(cur);
- }
- }
- void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter)
- {
- struct qlcnic_filter *tmp_fil;
- struct hlist_node *tmp_hnode, *n;
- struct hlist_head *head;
- int i;
- for (i = 0; i < adapter->fhash.fmax; i++) {
- head = &(adapter->fhash.fhead[i]);
- hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode)
- {
- if (jiffies >
- (QLCNIC_FILTER_AGE * HZ + tmp_fil->ftime)) {
- qlcnic_sre_macaddr_change(adapter,
- tmp_fil->faddr, tmp_fil->vlan_id,
- tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL :
- QLCNIC_MAC_DEL);
- spin_lock_bh(&adapter->mac_learn_lock);
- adapter->fhash.fnum--;
- hlist_del(&tmp_fil->fnode);
- spin_unlock_bh(&adapter->mac_learn_lock);
- kfree(tmp_fil);
- }
- }
- }
- }
- void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter)
- {
- struct qlcnic_filter *tmp_fil;
- struct hlist_node *tmp_hnode, *n;
- struct hlist_head *head;
- int i;
- for (i = 0; i < adapter->fhash.fmax; i++) {
- head = &(adapter->fhash.fhead[i]);
- hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) {
- qlcnic_sre_macaddr_change(adapter, tmp_fil->faddr,
- tmp_fil->vlan_id, tmp_fil->vlan_id ?
- QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL);
- spin_lock_bh(&adapter->mac_learn_lock);
- adapter->fhash.fnum--;
- hlist_del(&tmp_fil->fnode);
- spin_unlock_bh(&adapter->mac_learn_lock);
- kfree(tmp_fil);
- }
- }
- }
- int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u8 flag)
- {
- struct qlcnic_nic_req req;
- int rv;
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- req.req_hdr = cpu_to_le64(QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK |
- ((u64) adapter->portnum << 16) | ((u64) 0x1 << 32));
- req.words[0] = cpu_to_le64(flag);
- rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
- if (rv != 0)
- dev_err(&adapter->pdev->dev, "%sting loopback mode failed\n",
- flag ? "Set" : "Reset");
- return rv;
- }
- int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
- {
- if (qlcnic_set_fw_loopback(adapter, mode))
- return -EIO;
- if (qlcnic_nic_set_promisc(adapter, VPORT_MISS_MODE_ACCEPT_ALL)) {
- qlcnic_set_fw_loopback(adapter, 0);
- return -EIO;
- }
- msleep(1000);
- return 0;
- }
- void qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter)
- {
- int mode = VPORT_MISS_MODE_DROP;
- struct net_device *netdev = adapter->netdev;
- qlcnic_set_fw_loopback(adapter, 0);
- if (netdev->flags & IFF_PROMISC)
- mode = VPORT_MISS_MODE_ACCEPT_ALL;
- else if (netdev->flags & IFF_ALLMULTI)
- mode = VPORT_MISS_MODE_ACCEPT_MULTI;
- qlcnic_nic_set_promisc(adapter, mode);
- msleep(1000);
- }
- /*
- * Send the interrupt coalescing parameter set by ethtool to the card.
- */
- int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter)
- {
- struct qlcnic_nic_req req;
- int rv;
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- req.req_hdr = cpu_to_le64(QLCNIC_CONFIG_INTR_COALESCE |
- ((u64) adapter->portnum << 16));
- req.words[0] = cpu_to_le64(((u64) adapter->ahw->coal.flag) << 32);
- req.words[2] = cpu_to_le64(adapter->ahw->coal.rx_packets |
- ((u64) adapter->ahw->coal.rx_time_us) << 16);
- req.words[5] = cpu_to_le64(adapter->ahw->coal.timer_out |
- ((u64) adapter->ahw->coal.type) << 32 |
- ((u64) adapter->ahw->coal.sts_ring_mask) << 40);
- rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
- if (rv != 0)
- dev_err(&adapter->netdev->dev,
- "Could not send interrupt coalescing parameters\n");
- return rv;
- }
- int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable)
- {
- struct qlcnic_nic_req req;
- u64 word;
- int rv;
- if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
- return 0;
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16);
- req.req_hdr = cpu_to_le64(word);
- req.words[0] = cpu_to_le64(enable);
- rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
- if (rv != 0)
- dev_err(&adapter->netdev->dev,
- "Could not send configure hw lro request\n");
- return rv;
- }
- int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
- {
- struct qlcnic_nic_req req;
- u64 word;
- int rv;
- if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable)
- return 0;
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING |
- ((u64)adapter->portnum << 16);
- req.req_hdr = cpu_to_le64(word);
- req.words[0] = cpu_to_le64(enable);
- rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
- if (rv != 0)
- dev_err(&adapter->netdev->dev,
- "Could not send configure bridge mode request\n");
- adapter->flags ^= QLCNIC_BRIDGE_ENABLED;
- return rv;
- }
- #define RSS_HASHTYPE_IP_TCP 0x3
- int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable)
- {
- struct qlcnic_nic_req req;
- u64 word;
- int i, rv;
- static const u64 key[] = {
- 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
- 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
- 0x255b0ec26d5a56daULL
- };
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16);
- req.req_hdr = cpu_to_le64(word);
- /*
- * RSS request:
- * bits 3-0: hash_method
- * 5-4: hash_type_ipv4
- * 7-6: hash_type_ipv6
- * 8: enable
- * 9: use indirection table
- * 47-10: reserved
- * 63-48: indirection table mask
- */
- word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
- ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
- ((u64)(enable & 0x1) << 8) |
- ((0x7ULL) << 48);
- req.words[0] = cpu_to_le64(word);
- for (i = 0; i < 5; i++)
- req.words[i+1] = cpu_to_le64(key[i]);
- rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
- if (rv != 0)
- dev_err(&adapter->netdev->dev, "could not configure RSS\n");
- return rv;
- }
- int qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, int cmd)
- {
- struct qlcnic_nic_req req;
- struct qlcnic_ipaddr *ipa;
- u64 word;
- int rv;
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
- req.req_hdr = cpu_to_le64(word);
- req.words[0] = cpu_to_le64(cmd);
- ipa = (struct qlcnic_ipaddr *)&req.words[1];
- ipa->ipv4 = ip;
- rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
- if (rv != 0)
- dev_err(&adapter->netdev->dev,
- "could not notify %s IP 0x%x reuqest\n",
- (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip);
- return rv;
- }
- int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, int enable)
- {
- struct qlcnic_nic_req req;
- u64 word;
- int rv;
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16);
- req.req_hdr = cpu_to_le64(word);
- req.words[0] = cpu_to_le64(enable | (enable << 8));
- rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
- if (rv != 0)
- dev_err(&adapter->netdev->dev,
- "could not configure link notification\n");
- return rv;
- }
- int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter)
- {
- struct qlcnic_nic_req req;
- u64 word;
- int rv;
- if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
- return 0;
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- word = QLCNIC_H2C_OPCODE_LRO_REQUEST |
- ((u64)adapter->portnum << 16) |
- ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ;
- req.req_hdr = cpu_to_le64(word);
- rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
- if (rv != 0)
- dev_err(&adapter->netdev->dev,
- "could not cleanup lro flows\n");
- return rv;
- }
- /*
- * qlcnic_change_mtu - Change the Maximum Transfer Unit
- * @returns 0 on success, negative on failure
- */
- int qlcnic_change_mtu(struct net_device *netdev, int mtu)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- int rc = 0;
- if (mtu < P3P_MIN_MTU || mtu > P3P_MAX_MTU) {
- dev_err(&adapter->netdev->dev, "%d bytes < mtu < %d bytes"
- " not supported\n", P3P_MAX_MTU, P3P_MIN_MTU);
- return -EINVAL;
- }
- rc = qlcnic_fw_cmd_set_mtu(adapter, mtu);
- if (!rc)
- netdev->mtu = mtu;
- return rc;
- }
- netdev_features_t qlcnic_fix_features(struct net_device *netdev,
- netdev_features_t features)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- if ((adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
- netdev_features_t changed = features ^ netdev->features;
- features ^= changed & (NETIF_F_ALL_CSUM | NETIF_F_RXCSUM);
- }
- if (!(features & NETIF_F_RXCSUM))
- features &= ~NETIF_F_LRO;
- return features;
- }
- int qlcnic_set_features(struct net_device *netdev, netdev_features_t features)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- netdev_features_t changed = netdev->features ^ features;
- int hw_lro = (features & NETIF_F_LRO) ? QLCNIC_LRO_ENABLED : 0;
- if (!(changed & NETIF_F_LRO))
- return 0;
- netdev->features = features ^ NETIF_F_LRO;
- if (qlcnic_config_hw_lro(adapter, hw_lro))
- return -EIO;
- if ((hw_lro == 0) && qlcnic_send_lro_cleanup(adapter))
- return -EIO;
- return 0;
- }
- /*
- * Changes the CRB window to the specified window.
- */
- /* Returns < 0 if off is not valid,
- * 1 if window access is needed. 'off' is set to offset from
- * CRB space in 128M pci map
- * 0 if no window access is needed. 'off' is set to 2M addr
- * In: 'off' is offset from base in 128M pci map
- */
- static int
- qlcnic_pci_get_crb_addr_2M(struct qlcnic_adapter *adapter,
- ulong off, void __iomem **addr)
- {
- const struct crb_128M_2M_sub_block_map *m;
- if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE))
- return -EINVAL;
- off -= QLCNIC_PCI_CRBSPACE;
- /*
- * Try direct map
- */
- m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)];
- if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) {
- *addr = adapter->ahw->pci_base0 + m->start_2M +
- (off - m->start_128M);
- return 0;
- }
- /*
- * Not in direct map, use crb window
- */
- *addr = adapter->ahw->pci_base0 + CRB_INDIRECT_2M + (off & MASK(16));
- return 1;
- }
- /*
- * In: 'off' is offset from CRB space in 128M pci map
- * Out: 'off' is 2M pci map addr
- * side effect: lock crb window
- */
- static int
- qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off)
- {
- u32 window;
- void __iomem *addr = adapter->ahw->pci_base0 + CRB_WINDOW_2M;
- off -= QLCNIC_PCI_CRBSPACE;
- window = CRB_HI(off);
- if (window == 0) {
- dev_err(&adapter->pdev->dev, "Invalid offset 0x%lx\n", off);
- return -EIO;
- }
- writel(window, addr);
- if (readl(addr) != window) {
- if (printk_ratelimit())
- dev_warn(&adapter->pdev->dev,
- "failed to set CRB window to %d off 0x%lx\n",
- window, off);
- return -EIO;
- }
- return 0;
- }
- int
- qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data)
- {
- unsigned long flags;
- int rv;
- void __iomem *addr = NULL;
- rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr);
- if (rv == 0) {
- writel(data, addr);
- return 0;
- }
- if (rv > 0) {
- /* indirect access */
- write_lock_irqsave(&adapter->ahw->crb_lock, flags);
- crb_win_lock(adapter);
- rv = qlcnic_pci_set_crbwindow_2M(adapter, off);
- if (!rv)
- writel(data, addr);
- crb_win_unlock(adapter);
- write_unlock_irqrestore(&adapter->ahw->crb_lock, flags);
- return rv;
- }
- dev_err(&adapter->pdev->dev,
- "%s: invalid offset: 0x%016lx\n", __func__, off);
- dump_stack();
- return -EIO;
- }
- u32
- qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off)
- {
- unsigned long flags;
- int rv;
- u32 data = -1;
- void __iomem *addr = NULL;
- rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr);
- if (rv == 0)
- return readl(addr);
- if (rv > 0) {
- /* indirect access */
- write_lock_irqsave(&adapter->ahw->crb_lock, flags);
- crb_win_lock(adapter);
- if (!qlcnic_pci_set_crbwindow_2M(adapter, off))
- data = readl(addr);
- crb_win_unlock(adapter);
- write_unlock_irqrestore(&adapter->ahw->crb_lock, flags);
- return data;
- }
- dev_err(&adapter->pdev->dev,
- "%s: invalid offset: 0x%016lx\n", __func__, off);
- dump_stack();
- return -1;
- }
- void __iomem *
- qlcnic_get_ioaddr(struct qlcnic_adapter *adapter, u32 offset)
- {
- void __iomem *addr = NULL;
- WARN_ON(qlcnic_pci_get_crb_addr_2M(adapter, offset, &addr));
- return addr;
- }
- static int
- qlcnic_pci_set_window_2M(struct qlcnic_adapter *adapter,
- u64 addr, u32 *start)
- {
- u32 window;
- window = OCM_WIN_P3P(addr);
- writel(window, adapter->ahw->ocm_win_crb);
- /* read back to flush */
- readl(adapter->ahw->ocm_win_crb);
- *start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
- return 0;
- }
- static int
- qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, u64 off,
- u64 *data, int op)
- {
- void __iomem *addr;
- int ret;
- u32 start;
- mutex_lock(&adapter->ahw->mem_lock);
- ret = qlcnic_pci_set_window_2M(adapter, off, &start);
- if (ret != 0)
- goto unlock;
- addr = adapter->ahw->pci_base0 + start;
- if (op == 0) /* read */
- *data = readq(addr);
- else /* write */
- writeq(*data, addr);
- unlock:
- mutex_unlock(&adapter->ahw->mem_lock);
- return ret;
- }
- void
- qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data)
- {
- void __iomem *addr = adapter->ahw->pci_base0 +
- QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM);
- mutex_lock(&adapter->ahw->mem_lock);
- *data = readq(addr);
- mutex_unlock(&adapter->ahw->mem_lock);
- }
- void
- qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data)
- {
- void __iomem *addr = adapter->ahw->pci_base0 +
- QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM);
- mutex_lock(&adapter->ahw->mem_lock);
- writeq(data, addr);
- mutex_unlock(&adapter->ahw->mem_lock);
- }
- #define MAX_CTL_CHECK 1000
- int
- qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter,
- u64 off, u64 data)
- {
- int i, j, ret;
- u32 temp, off8;
- void __iomem *mem_crb;
- /* Only 64-bit aligned access */
- if (off & 7)
- return -EIO;
- /* P3 onward, test agent base for MIU and SIU is same */
- if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET,
- QLCNIC_ADDR_QDR_NET_MAX)) {
- mem_crb = qlcnic_get_ioaddr(adapter,
- QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE);
- goto correct;
- }
- if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) {
- mem_crb = qlcnic_get_ioaddr(adapter,
- QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE);
- goto correct;
- }
- if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX))
- return qlcnic_pci_mem_access_direct(adapter, off, &data, 1);
- return -EIO;
- correct:
- off8 = off & ~0xf;
- mutex_lock(&adapter->ahw->mem_lock);
- writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
- writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
- i = 0;
- writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
- writel((TA_CTL_START | TA_CTL_ENABLE),
- (mem_crb + TEST_AGT_CTRL));
- for (j = 0; j < MAX_CTL_CHECK; j++) {
- temp = readl(mem_crb + TEST_AGT_CTRL);
- if ((temp & TA_CTL_BUSY) == 0)
- break;
- }
- if (j >= MAX_CTL_CHECK) {
- ret = -EIO;
- goto done;
- }
- i = (off & 0xf) ? 0 : 2;
- writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i)),
- mem_crb + MIU_TEST_AGT_WRDATA(i));
- writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i+1)),
- mem_crb + MIU_TEST_AGT_WRDATA(i+1));
- i = (off & 0xf) ? 2 : 0;
- writel(data & 0xffffffff,
- mem_crb + MIU_TEST_AGT_WRDATA(i));
- writel((data >> 32) & 0xffffffff,
- mem_crb + MIU_TEST_AGT_WRDATA(i+1));
- writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
- writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
- (mem_crb + TEST_AGT_CTRL));
- for (j = 0; j < MAX_CTL_CHECK; j++) {
- temp = readl(mem_crb + TEST_AGT_CTRL);
- if ((temp & TA_CTL_BUSY) == 0)
- break;
- }
- if (j >= MAX_CTL_CHECK) {
- if (printk_ratelimit())
- dev_err(&adapter->pdev->dev,
- "failed to write through agent\n");
- ret = -EIO;
- } else
- ret = 0;
- done:
- mutex_unlock(&adapter->ahw->mem_lock);
- return ret;
- }
- int
- qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter,
- u64 off, u64 *data)
- {
- int j, ret;
- u32 temp, off8;
- u64 val;
- void __iomem *mem_crb;
- /* Only 64-bit aligned access */
- if (off & 7)
- return -EIO;
- /* P3 onward, test agent base for MIU and SIU is same */
- if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET,
- QLCNIC_ADDR_QDR_NET_MAX)) {
- mem_crb = qlcnic_get_ioaddr(adapter,
- QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE);
- goto correct;
- }
- if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) {
- mem_crb = qlcnic_get_ioaddr(adapter,
- QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE);
- goto correct;
- }
- if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) {
- return qlcnic_pci_mem_access_direct(adapter,
- off, data, 0);
- }
- return -EIO;
- correct:
- off8 = off & ~0xf;
- mutex_lock(&adapter->ahw->mem_lock);
- writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
- writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
- writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
- writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
- for (j = 0; j < MAX_CTL_CHECK; j++) {
- temp = readl(mem_crb + TEST_AGT_CTRL);
- if ((temp & TA_CTL_BUSY) == 0)
- break;
- }
- if (j >= MAX_CTL_CHECK) {
- if (printk_ratelimit())
- dev_err(&adapter->pdev->dev,
- "failed to read through agent\n");
- ret = -EIO;
- } else {
- off8 = MIU_TEST_AGT_RDDATA_LO;
- if (off & 0xf)
- off8 = MIU_TEST_AGT_RDDATA_UPPER_LO;
- temp = readl(mem_crb + off8 + 4);
- val = (u64)temp << 32;
- val |= readl(mem_crb + off8);
- *data = val;
- ret = 0;
- }
- mutex_unlock(&adapter->ahw->mem_lock);
- return ret;
- }
- int qlcnic_get_board_info(struct qlcnic_adapter *adapter)
- {
- int offset, board_type, magic;
- struct pci_dev *pdev = adapter->pdev;
- offset = QLCNIC_FW_MAGIC_OFFSET;
- if (qlcnic_rom_fast_read(adapter, offset, &magic))
- return -EIO;
- if (magic != QLCNIC_BDINFO_MAGIC) {
- dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
- magic);
- return -EIO;
- }
- offset = QLCNIC_BRDTYPE_OFFSET;
- if (qlcnic_rom_fast_read(adapter, offset, &board_type))
- return -EIO;
- adapter->ahw->board_type = board_type;
- if (board_type == QLCNIC_BRDTYPE_P3P_4_GB_MM) {
- u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I);
- if ((gpio & 0x8000) == 0)
- board_type = QLCNIC_BRDTYPE_P3P_10G_TP;
- }
- switch (board_type) {
- case QLCNIC_BRDTYPE_P3P_HMEZ:
- case QLCNIC_BRDTYPE_P3P_XG_LOM:
- case QLCNIC_BRDTYPE_P3P_10G_CX4:
- case QLCNIC_BRDTYPE_P3P_10G_CX4_LP:
- case QLCNIC_BRDTYPE_P3P_IMEZ:
- case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS:
- case QLCNIC_BRDTYPE_P3P_10G_SFP_CT:
- case QLCNIC_BRDTYPE_P3P_10G_SFP_QT:
- case QLCNIC_BRDTYPE_P3P_10G_XFP:
- case QLCNIC_BRDTYPE_P3P_10000_BASE_T:
- adapter->ahw->port_type = QLCNIC_XGBE;
- break;
- case QLCNIC_BRDTYPE_P3P_REF_QG:
- case QLCNIC_BRDTYPE_P3P_4_GB:
- case QLCNIC_BRDTYPE_P3P_4_GB_MM:
- adapter->ahw->port_type = QLCNIC_GBE;
- break;
- case QLCNIC_BRDTYPE_P3P_10G_TP:
- adapter->ahw->port_type = (adapter->portnum < 2) ?
- QLCNIC_XGBE : QLCNIC_GBE;
- break;
- default:
- dev_err(&pdev->dev, "unknown board type %x\n", board_type);
- adapter->ahw->port_type = QLCNIC_XGBE;
- break;
- }
- return 0;
- }
- int
- qlcnic_wol_supported(struct qlcnic_adapter *adapter)
- {
- u32 wol_cfg;
- wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV);
- if (wol_cfg & (1UL << adapter->portnum)) {
- wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG);
- if (wol_cfg & (1 << adapter->portnum))
- return 1;
- }
- return 0;
- }
- int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
- {
- struct qlcnic_nic_req req;
- int rv;
- u64 word;
- memset(&req, 0, sizeof(struct qlcnic_nic_req));
- req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16);
- req.req_hdr = cpu_to_le64(word);
- req.words[0] = cpu_to_le64((u64)rate << 32);
- req.words[1] = cpu_to_le64(state);
- rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
- if (rv)
- dev_err(&adapter->pdev->dev, "LED configuration failed.\n");
- return rv;
- }
- /* FW dump related functions */
- static u32
- qlcnic_dump_crb(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry,
- u32 *buffer)
- {
- int i;
- u32 addr, data;
- struct __crb *crb = &entry->region.crb;
- void __iomem *base = adapter->ahw->pci_base0;
- addr = crb->addr;
- for (i = 0; i < crb->no_ops; i++) {
- QLCNIC_RD_DUMP_REG(addr, base, &data);
- *buffer++ = cpu_to_le32(addr);
- *buffer++ = cpu_to_le32(data);
- addr += crb->stride;
- }
- return crb->no_ops * 2 * sizeof(u32);
- }
- static u32
- qlcnic_dump_ctrl(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, u32 *buffer)
- {
- int i, k, timeout = 0;
- void __iomem *base = adapter->ahw->pci_base0;
- u32 addr, data;
- u8 opcode, no_ops;
- struct __ctrl *ctr = &entry->region.ctrl;
- struct qlcnic_dump_template_hdr *t_hdr = adapter->ahw->fw_dump.tmpl_hdr;
- addr = ctr->addr;
- no_ops = ctr->no_ops;
- for (i = 0; i < no_ops; i++) {
- k = 0;
- opcode = 0;
- for (k = 0; k < 8; k++) {
- if (!(ctr->opcode & (1 << k)))
- continue;
- switch (1 << k) {
- case QLCNIC_DUMP_WCRB:
- QLCNIC_WR_DUMP_REG(addr, base, ctr->val1);
- break;
- case QLCNIC_DUMP_RWCRB:
- QLCNIC_RD_DUMP_REG(addr, base, &data);
- QLCNIC_WR_DUMP_REG(addr, base, data);
- break;
- case QLCNIC_DUMP_ANDCRB:
- QLCNIC_RD_DUMP_REG(addr, base, &data);
- QLCNIC_WR_DUMP_REG(addr, base,
- (data & ctr->val2));
- break;
- case QLCNIC_DUMP_ORCRB:
- QLCNIC_RD_DUMP_REG(addr, base, &data);
- QLCNIC_WR_DUMP_REG(addr, base,
- (data | ctr->val3));
- break;
- case QLCNIC_DUMP_POLLCRB:
- while (timeout <= ctr->timeout) {
- QLCNIC_RD_DUMP_REG(addr, base, &data);
- if ((data & ctr->val2) == ctr->val1)
- break;
- msleep(1);
- timeout++;
- }
- if (timeout > ctr->timeout) {
- dev_info(&adapter->pdev->dev,
- "Timed out, aborting poll CRB\n");
- return -EINVAL;
- }
- break;
- case QLCNIC_DUMP_RD_SAVE:
- if (ctr->index_a)
- addr = t_hdr->saved_state[ctr->index_a];
- QLCNIC_RD_DUMP_REG(addr, base, &data);
- t_hdr->saved_state[ctr->index_v] = data;
- break;
- case QLCNIC_DUMP_WRT_SAVED:
- if (ctr->index_v)
- data = t_hdr->saved_state[ctr->index_v];
- else
- data = ctr->val1;
- if (ctr->index_a)
- addr = t_hdr->saved_state[ctr->index_a];
- QLCNIC_WR_DUMP_REG(addr, base, data);
- break;
- case QLCNIC_DUMP_MOD_SAVE_ST:
- data = t_hdr->saved_state[ctr->index_v];
- data <<= ctr->shl_val;
- data >>= ctr->shr_val;
- if (ctr->val2)
- data &= ctr->val2;
- data |= ctr->val3;
- data += ctr->val1;
- t_hdr->saved_state[ctr->index_v] = data;
- break;
- default:
- dev_info(&adapter->pdev->dev,
- "Unknown opcode\n");
- break;
- }
- }
- addr += ctr->stride;
- }
- return 0;
- }
- static u32
- qlcnic_dump_mux(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry,
- u32 *buffer)
- {
- int loop;
- u32 val, data = 0;
- struct __mux *mux = &entry->region.mux;
- void __iomem *base = adapter->ahw->pci_base0;
- val = mux->val;
- for (loop = 0; loop < mux->no_ops; loop++) {
- QLCNIC_WR_DUMP_REG(mux->addr, base, val);
- QLCNIC_RD_DUMP_REG(mux->read_addr, base, &data);
- *buffer++ = cpu_to_le32(val);
- *buffer++ = cpu_to_le32(data);
- val += mux->val_stride;
- }
- return 2 * mux->no_ops * sizeof(u32);
- }
- static u32
- qlcnic_dump_que(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry,
- u32 *buffer)
- {
- int i, loop;
- u32 cnt, addr, data, que_id = 0;
- void __iomem *base = adapter->ahw->pci_base0;
- struct __queue *que = &entry->region.que;
- addr = que->read_addr;
- cnt = que->read_addr_cnt;
- for (loop = 0; loop < que->no_ops; loop++) {
- QLCNIC_WR_DUMP_REG(que->sel_addr, base, que_id);
- addr = que->read_addr;
- for (i = 0; i < cnt; i++) {
- QLCNIC_RD_DUMP_REG(addr, base, &data);
- *buffer++ = cpu_to_le32(data);
- addr += que->read_addr_stride;
- }
- que_id += que->stride;
- }
- return que->no_ops * cnt * sizeof(u32);
- }
- static u32
- qlcnic_dump_ocm(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry,
- u32 *buffer)
- {
- int i;
- u32 data;
- void __iomem *addr;
- struct __ocm *ocm = &entry->region.ocm;
- addr = adapter->ahw->pci_base0 + ocm->read_addr;
- for (i = 0; i < ocm->no_ops; i++) {
- data = readl(addr);
- *buffer++ = cpu_to_le32(data);
- addr += ocm->read_addr_stride;
- }
- return ocm->no_ops * sizeof(u32);
- }
- static u32
- qlcnic_read_rom(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry,
- u32 *buffer)
- {
- int i, count = 0;
- u32 fl_addr, size, val, lck_val, addr;
- struct __mem *rom = &entry->region.mem;
- void __iomem *base = adapter->ahw->pci_base0;
- fl_addr = rom->addr;
- size = rom->size/4;
- lock_try:
- lck_val = readl(base + QLCNIC_FLASH_SEM2_LK);
- if (!lck_val && count < MAX_CTL_CHECK) {
- msleep(10);
- count++;
- goto lock_try;
- }
- writel(adapter->ahw->pci_func, (base + QLCNIC_FLASH_LOCK_ID));
- for (i = 0; i < size; i++) {
- addr = fl_addr & 0xFFFF0000;
- QLCNIC_WR_DUMP_REG(FLASH_ROM_WINDOW, base, addr);
- addr = LSW(fl_addr) + FLASH_ROM_DATA;
- QLCNIC_RD_DUMP_REG(addr, base, &val);
- fl_addr += 4;
- *buffer++ = cpu_to_le32(val);
- }
- readl(base + QLCNIC_FLASH_SEM2_ULK);
- return rom->size;
- }
- static u32
- qlcnic_dump_l1_cache(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, u32 *buffer)
- {
- int i;
- u32 cnt, val, data, addr;
- void __iomem *base = adapter->ahw->pci_base0;
- struct __cache *l1 = &entry->region.cache;
- val = l1->init_tag_val;
- for (i = 0; i < l1->no_ops; i++) {
- QLCNIC_WR_DUMP_REG(l1->addr, base, val);
- QLCNIC_WR_DUMP_REG(l1->ctrl_addr, base, LSW(l1->ctrl_val));
- addr = l1->read_addr;
- cnt = l1->read_addr_num;
- while (cnt) {
- QLCNIC_RD_DUMP_REG(addr, base, &data);
- *buffer++ = cpu_to_le32(data);
- addr += l1->read_addr_stride;
- cnt--;
- }
- val += l1->stride;
- }
- return l1->no_ops * l1->read_addr_num * sizeof(u32);
- }
- static u32
- qlcnic_dump_l2_cache(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, u32 *buffer)
- {
- int i;
- u32 cnt, val, data, addr;
- u8 poll_mask, poll_to, time_out = 0;
- void __iomem *base = adapter->ahw->pci_base0;
- struct __cache *l2 = &entry->region.cache;
- val = l2->init_tag_val;
- poll_mask = LSB(MSW(l2->ctrl_val));
- poll_to = MSB(MSW(l2->ctrl_val));
- for (i = 0; i < l2->no_ops; i++) {
- QLCNIC_WR_DUMP_REG(l2->addr, base, val);
- if (LSW(l2->ctrl_val))
- QLCNIC_WR_DUMP_REG(l2->ctrl_addr, base,
- LSW(l2->ctrl_val));
- if (!poll_mask)
- goto skip_poll;
- do {
- QLCNIC_RD_DUMP_REG(l2->ctrl_addr, base, &data);
- if (!(data & poll_mask))
- break;
- msleep(1);
- time_out++;
- } while (time_out <= poll_to);
- if (time_out > poll_to) {
- dev_err(&adapter->pdev->dev,
- "Timeout exceeded in %s, aborting dump\n",
- __func__);
- return -EINVAL;
- }
- skip_poll:
- addr = l2->read_addr;
- cnt = l2->read_addr_num;
- while (cnt) {
- QLCNIC_RD_DUMP_REG(addr, base, &data);
- *buffer++ = cpu_to_le32(data);
- addr += l2->read_addr_stride;
- cnt--;
- }
- val += l2->stride;
- }
- return l2->no_ops * l2->read_addr_num * sizeof(u32);
- }
- static u32
- qlcnic_read_memory(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, u32 *buffer)
- {
- u32 addr, data, test, ret = 0;
- int i, reg_read;
- struct __mem *mem = &entry->region.mem;
- void __iomem *base = adapter->ahw->pci_base0;
- reg_read = mem->size;
- addr = mem->addr;
- /* check for data size of multiple of 16 and 16 byte alignment */
- if ((addr & 0xf) || (reg_read%16)) {
- dev_info(&adapter->pdev->dev,
- "Unaligned memory addr:0x%x size:0x%x\n",
- addr, reg_read);
- return -EINVAL;
- }
- mutex_lock(&adapter->ahw->mem_lock);
- while (reg_read != 0) {
- QLCNIC_WR_DUMP_REG(MIU_TEST_ADDR_LO, base, addr);
- QLCNIC_WR_DUMP_REG(MIU_TEST_ADDR_HI, base, 0);
- QLCNIC_WR_DUMP_REG(MIU_TEST_CTR, base,
- TA_CTL_ENABLE | TA_CTL_START);
- for (i = 0; i < MAX_CTL_CHECK; i++) {
- QLCNIC_RD_DUMP_REG(MIU_TEST_CTR, base, &test);
- if (!(test & TA_CTL_BUSY))
- break;
- }
- if (i == MAX_CTL_CHECK) {
- if (printk_ratelimit()) {
- dev_err(&adapter->pdev->dev,
- "failed to read through agent\n");
- ret = -EINVAL;
- goto out;
- }
- }
- for (i = 0; i < 4; i++) {
- QLCNIC_RD_DUMP_REG(MIU_TEST_READ_DATA[i], base, &data);
- *buffer++ = cpu_to_le32(data);
- }
- addr += 16;
- reg_read -= 16;
- ret += 16;
- }
- out:
- mutex_unlock(&adapter->ahw->mem_lock);
- return mem->size;
- }
- static u32
- qlcnic_dump_nop(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, u32 *buffer)
- {
- entry->hdr.flags |= QLCNIC_DUMP_SKIP;
- return 0;
- }
- struct qlcnic_dump_operations fw_dump_ops[] = {
- { QLCNIC_DUMP_NOP, qlcnic_dump_nop },
- { QLCNIC_DUMP_READ_CRB, qlcnic_dump_crb },
- { QLCNIC_DUMP_READ_MUX, qlcnic_dump_mux },
- { QLCNIC_DUMP_QUEUE, qlcnic_dump_que },
- { QLCNIC_DUMP_BRD_CONFIG, qlcnic_read_rom },
- { QLCNIC_DUMP_READ_OCM, qlcnic_dump_ocm },
- { QLCNIC_DUMP_PEG_REG, qlcnic_dump_ctrl },
- { QLCNIC_DUMP_L1_DTAG, qlcnic_dump_l1_cache },
- { QLCNIC_DUMP_L1_ITAG, qlcnic_dump_l1_cache },
- { QLCNIC_DUMP_L1_DATA, qlcnic_dump_l1_cache },
- { QLCNIC_DUMP_L1_INST, qlcnic_dump_l1_cache },
- { QLCNIC_DUMP_L2_DTAG, qlcnic_dump_l2_cache },
- { QLCNIC_DUMP_L2_ITAG, qlcnic_dump_l2_cache },
- { QLCNIC_DUMP_L2_DATA, qlcnic_dump_l2_cache },
- { QLCNIC_DUMP_L2_INST, qlcnic_dump_l2_cache },
- { QLCNIC_DUMP_READ_ROM, qlcnic_read_rom },
- { QLCNIC_DUMP_READ_MEM, qlcnic_read_memory },
- { QLCNIC_DUMP_READ_CTRL, qlcnic_dump_ctrl },
- { QLCNIC_DUMP_TLHDR, qlcnic_dump_nop },
- { QLCNIC_DUMP_RDEND, qlcnic_dump_nop },
- };
- /* Walk the template and collect dump for each entry in the dump template */
- static int
- qlcnic_valid_dump_entry(struct device *dev, struct qlcnic_dump_entry *entry,
- u32 size)
- {
- int ret = 1;
- if (size != entry->hdr.cap_size) {
- dev_info(dev,
- "Invalidate dump, Type:%d\tMask:%d\tSize:%dCap_size:%d\n",
- entry->hdr.type, entry->hdr.mask, size, entry->hdr.cap_size);
- dev_info(dev, "Aborting further dump capture\n");
- ret = 0;
- }
- return ret;
- }
- int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
- {
- u32 *buffer;
- char mesg[64];
- char *msg[] = {mesg, NULL};
- int i, k, ops_cnt, ops_index, dump_size = 0;
- u32 entry_offset, dump, no_entries, buf_offset = 0;
- struct qlcnic_dump_entry *entry;
- struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
- struct qlcnic_dump_template_hdr *tmpl_hdr = fw_dump->tmpl_hdr;
- if (fw_dump->clr) {
- dev_info(&adapter->pdev->dev,
- "Previous dump not cleared, not capturing dump\n");
- return -EIO;
- }
- /* Calculate the size for dump data area only */
- for (i = 2, k = 1; (i & QLCNIC_DUMP_MASK_MAX); i <<= 1, k++)
- if (i & tmpl_hdr->drv_cap_mask)
- dump_size += tmpl_hdr->cap_sizes[k];
- if (!dump_size)
- return -EIO;
- fw_dump->data = vzalloc(dump_size);
- if (!fw_dump->data) {
- dev_info(&adapter->pdev->dev,
- "Unable to allocate (%d KB) for fw dump\n",
- dump_size/1024);
- return -ENOMEM;
- }
- buffer = fw_dump->data;
- fw_dump->size = dump_size;
- no_entries = tmpl_hdr->num_entries;
- ops_cnt = ARRAY_SIZE(fw_dump_ops);
- entry_offset = tmpl_hdr->offset;
- tmpl_hdr->sys_info[0] = QLCNIC_DRIVER_VERSION;
- tmpl_hdr->sys_info[1] = adapter->fw_version;
- for (i = 0; i < no_entries; i++) {
- entry = (void *)tmpl_hdr + entry_offset;
- if (!(entry->hdr.mask & tmpl_hdr->drv_cap_mask)) {
- entry->hdr.flags |= QLCNIC_DUMP_SKIP;
- entry_offset += entry->hdr.offset;
- continue;
- }
- /* Find the handler for this entry */
- ops_index = 0;
- while (ops_index < ops_cnt) {
- if (entry->hdr.type == fw_dump_ops[ops_index].opcode)
- break;
- ops_index++;
- }
- if (ops_index == ops_cnt) {
- dev_info(&adapter->pdev->dev,
- "Invalid entry type %d, exiting dump\n",
- entry->hdr.type);
- goto error;
- }
- /* Collect dump for this entry */
- dump = fw_dump_ops[ops_index].handler(adapter, entry, buffer);
- if (dump && !qlcnic_valid_dump_entry(&adapter->pdev->dev, entry,
- dump))
- entry->hdr.flags |= QLCNIC_DUMP_SKIP;
- buf_offset += entry->hdr.cap_size;
- entry_offset += entry->hdr.offset;
- buffer = fw_dump->data + buf_offset;
- }
- if (dump_size != buf_offset) {
- dev_info(&adapter->pdev->dev,
- "Captured(%d) and expected size(%d) do not match\n",
- buf_offset, dump_size);
- goto error;
- } else {
- fw_dump->clr = 1;
- snprintf(mesg, sizeof(mesg), "FW_DUMP=%s",
- adapter->netdev->name);
- dev_info(&adapter->pdev->dev, "Dump data, %d bytes captured\n",
- fw_dump->size);
- /* Send a udev event to notify availability of FW dump */
- kobject_uevent_env(&adapter->pdev->dev.kobj, KOBJ_CHANGE, msg);
- return 0;
- }
- error:
- vfree(fw_dump->data);
- return -EINVAL;
- }
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