Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits)
  r8169: revert "r8169: read MAC address from EEPROM on init (2nd attempt)"
  r8169: use hardware auto-padding.
  igb: remove ASPM L0s workaround
  netxen: remove old flash check.
  mv643xx_eth: fix unicast address filter corruption on mtu change
  xfrm: Fix xfrm_state_find() wrt. wildcard source address.
  emac: Fix clock control for 405EX and 405EXr chips
  ixgbe: fix multiple unicast address support
  via-velocity: Fix DMA mapping length errors on transmit.
  qlge: bugfix: Pad outbound frames smaller than 60 bytes.
  qlge: bugfix: Move netif_napi_del() to common call point.
  qlge: bugfix: Tell hw to strip vlan header.
  qlge: bugfix: Increase filter on inbound csum.
  dnet: replace obsolete *netif_rx_* functions with *napi_*
  net: Add be2net driver.
  dnet: Fix warnings on 64-bit.
  dnet: Dave DNET ethernet controller driver (updated)
  ipv6:  Fix BUG when disabled ipv6 module is unloaded
  bnx2x: Using DMAE to initialize the chip
  bnx2x: Casting page alignment
  ...

MAINTAINERS

@@ -3876,6 +3876,15 @@ L:	linux-ide@vger.kernel.org
 T:	git kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git
 S:	Supported
 
+SERVER ENGINES 10Gbps NIC - BladeEngine 2 DRIVER
+P:	Sathya Perla
+M:	sathyap@serverengines.com
+P:      Subbu Seetharaman
+M:      subbus@serverengines.com
+L:      netdev@vger.kernel.org
+W:      http://www.serverengines.com
+S:      Supported
+
 SFC NETWORK DRIVER
 P:	Steve Hodgson
 P:	Ben Hutchings

drivers/net/Kconfig

@@ -1040,6 +1040,17 @@ config NI65
 	  To compile this driver as a module, choose M here. The module
 	  will be called ni65.
 
+config DNET
+	tristate "Dave ethernet support (DNET)"
+	depends on NET_ETHERNET
+	select PHYLIB
+	help
+	  The Dave ethernet interface (DNET) is found on Qong Board FPGA.
+	  Say Y to include support for the DNET chip.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called dnet.
+
 source "drivers/net/tulip/Kconfig"
 
 config AT1700
@@ -2619,6 +2630,8 @@ config QLGE
 
 source "drivers/net/sfc/Kconfig"
 
+source "drivers/net/benet/Kconfig"
+
 endif # NETDEV_10000
 
 source "drivers/net/tokenring/Kconfig"

drivers/net/Makefile

@@ -22,6 +22,7 @@ obj-$(CONFIG_GIANFAR) += gianfar_driver.o
 obj-$(CONFIG_TEHUTI) += tehuti.o
 obj-$(CONFIG_ENIC) += enic/
 obj-$(CONFIG_JME) += jme.o
+obj-$(CONFIG_BE2NET) += benet/
 
 gianfar_driver-objs := gianfar.o \
 		gianfar_ethtool.o \
@@ -231,6 +232,7 @@ obj-$(CONFIG_ENC28J60) += enc28j60.o
 
 obj-$(CONFIG_XTENSA_XT2000_SONIC) += xtsonic.o
 
+obj-$(CONFIG_DNET) += dnet.o
 obj-$(CONFIG_MACB) += macb.o
 
 obj-$(CONFIG_ARM) += arm/

drivers/net/benet/Kconfig

@@ -0,0 +1,7 @@
+config BE2NET
+	tristate "ServerEngines' 10Gbps NIC - BladeEngine 2"
+	depends on PCI && INET
+	select INET_LRO
+	help
+	This driver implements the NIC functionality for ServerEngines'
+	10Gbps network adapter - BladeEngine 2.

drivers/net/benet/Makefile

@@ -0,0 +1,7 @@
+#
+# Makefile to build the network driver for ServerEngine's BladeEngine.
+#
+
+obj-$(CONFIG_BE2NET) += be2net.o
+
+be2net-y :=  be_main.o be_cmds.o be_ethtool.o

drivers/net/benet/be.h

@@ -0,0 +1,327 @@
+/*
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+
+#ifndef BE_H
+#define BE_H
+
+#include <linux/pci.h>
+#include <linux/etherdevice.h>
+#include <linux/version.h>
+#include <linux/delay.h>
+#include <net/tcp.h>
+#include <net/ip.h>
+#include <net/ipv6.h>
+#include <linux/if_vlan.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/inet_lro.h>
+
+#include "be_hw.h"
+
+#define DRV_VER			"2.0.348"
+#define DRV_NAME		"be2net"
+#define BE_NAME			"ServerEngines BladeEngine2 10Gbps NIC"
+#define DRV_DESC		BE_NAME "Driver"
+
+/* Number of bytes of an RX frame that are copied to skb->data */
+#define BE_HDR_LEN 		64
+#define BE_MAX_JUMBO_FRAME_SIZE	9018
+#define BE_MIN_MTU		256
+
+#define BE_NUM_VLANS_SUPPORTED	64
+#define BE_MAX_EQD		96
+#define	BE_MAX_TX_FRAG_COUNT	30
+
+#define EVNT_Q_LEN		1024
+#define TX_Q_LEN		2048
+#define TX_CQ_LEN		1024
+#define RX_Q_LEN		1024	/* Does not support any other value */
+#define RX_CQ_LEN		1024
+#define MCC_Q_LEN		64	/* total size not to exceed 8 pages */
+#define MCC_CQ_LEN		256
+
+#define BE_NAPI_WEIGHT		64
+#define MAX_RX_POST 		BE_NAPI_WEIGHT /* Frags posted at a time */
+#define RX_FRAGS_REFILL_WM	(RX_Q_LEN - MAX_RX_POST)
+
+#define BE_MAX_LRO_DESCRIPTORS  16
+#define BE_MAX_FRAGS_PER_FRAME  16
+
+struct be_dma_mem {
+	void *va;
+	dma_addr_t dma;
+	u32 size;
+};
+
+struct be_queue_info {
+	struct be_dma_mem dma_mem;
+	u16 len;
+	u16 entry_size;	/* Size of an element in the queue */
+	u16 id;
+	u16 tail, head;
+	bool created;
+	atomic_t used;	/* Number of valid elements in the queue */
+};
+
+struct be_ctrl_info {
+	u8 __iomem *csr;
+	u8 __iomem *db;		/* Door Bell */
+	u8 __iomem *pcicfg;	/* PCI config space */
+	int pci_func;
+
+	/* Mbox used for cmd request/response */
+	spinlock_t cmd_lock;	/* For serializing cmds to BE card */
+	struct be_dma_mem mbox_mem;
+	/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
+	 * is stored for freeing purpose */
+	struct be_dma_mem mbox_mem_alloced;
+};
+
+#include "be_cmds.h"
+
+struct be_drvr_stats {
+	u32 be_tx_reqs;		/* number of TX requests initiated */
+	u32 be_tx_stops;	/* number of times TX Q was stopped */
+	u32 be_fwd_reqs;	/* number of send reqs through forwarding i/f */
+	u32 be_tx_wrbs;		/* number of tx WRBs used */
+	u32 be_tx_events;	/* number of tx completion events  */
+	u32 be_tx_compl;	/* number of tx completion entries processed */
+	u64 be_tx_jiffies;
+	ulong be_tx_bytes;
+	ulong be_tx_bytes_prev;
+	u32 be_tx_rate;
+
+	u32 cache_barrier[16];
+
+	u32 be_ethrx_post_fail;/* number of ethrx buffer alloc failures */
+	u32 be_polls;		/* number of times NAPI called poll function */
+	u32 be_rx_events;	/* number of ucast rx completion events  */
+	u32 be_rx_compl;	/* number of rx completion entries processed */
+	u32 be_lro_hgram_data[8];	/* histogram of LRO data packets */
+	u32 be_lro_hgram_ack[8];	/* histogram of LRO ACKs */
+	u64 be_rx_jiffies;
+	ulong be_rx_bytes;
+	ulong be_rx_bytes_prev;
+	u32 be_rx_rate;
+	/* number of non ether type II frames dropped where
+	 * frame len > length field of Mac Hdr */
+	u32 be_802_3_dropped_frames;
+	/* number of non ether type II frames malformed where
+	 * in frame len < length field of Mac Hdr */
+	u32 be_802_3_malformed_frames;
+	u32 be_rxcp_err;	/* Num rx completion entries w/ err set. */
+	ulong rx_fps_jiffies;	/* jiffies at last FPS calc */
+	u32 be_rx_frags;
+	u32 be_prev_rx_frags;
+	u32 be_rx_fps;		/* Rx frags per second */
+};
+
+struct be_stats_obj {
+	struct be_drvr_stats drvr_stats;
+	struct net_device_stats net_stats;
+	struct be_dma_mem cmd;
+};
+
+struct be_eq_obj {
+	struct be_queue_info q;
+	char desc[32];
+
+	/* Adaptive interrupt coalescing (AIC) info */
+	bool enable_aic;
+	u16 min_eqd;		/* in usecs */
+	u16 max_eqd;		/* in usecs */
+	u16 cur_eqd;		/* in usecs */
+
+	struct napi_struct napi;
+};
+
+struct be_tx_obj {
+	struct be_queue_info q;
+	struct be_queue_info cq;
+	/* Remember the skbs that were transmitted */
+	struct sk_buff *sent_skb_list[TX_Q_LEN];
+};
+
+/* Struct to remember the pages posted for rx frags */
+struct be_rx_page_info {
+	struct page *page;
+	dma_addr_t bus;
+	u16 page_offset;
+	bool last_page_user;
+};
+
+struct be_rx_obj {
+	struct be_queue_info q;
+	struct be_queue_info cq;
+	struct be_rx_page_info page_info_tbl[RX_Q_LEN];
+	struct net_lro_mgr lro_mgr;
+	struct net_lro_desc lro_desc[BE_MAX_LRO_DESCRIPTORS];
+};
+
+#define BE_NUM_MSIX_VECTORS		2	/* 1 each for Tx and Rx */
+struct be_adapter {
+	struct pci_dev *pdev;
+	struct net_device *netdev;
+
+	/* Mbox, pci config, csr address information */
+	struct be_ctrl_info ctrl;
+
+	struct msix_entry msix_entries[BE_NUM_MSIX_VECTORS];
+	bool msix_enabled;
+	bool isr_registered;
+
+	/* TX Rings */
+	struct be_eq_obj tx_eq;
+	struct be_tx_obj tx_obj;
+
+	u32 cache_line_break[8];
+
+	/* Rx rings */
+	struct be_eq_obj rx_eq;
+	struct be_rx_obj rx_obj;
+	u32 big_page_size;	/* Compounded page size shared by rx wrbs */
+
+	struct vlan_group *vlan_grp;
+	u16 num_vlans;
+	u8 vlan_tag[VLAN_GROUP_ARRAY_LEN];
+
+	struct be_stats_obj stats;
+	/* Work queue used to perform periodic tasks like getting statistics */
+	struct delayed_work work;
+
+	/* Ethtool knobs and info */
+	bool rx_csum; 		/* BE card must perform rx-checksumming */
+	u32 max_rx_coal;
+	char fw_ver[FW_VER_LEN];
+	u32 if_handle;		/* Used to configure filtering */
+	u32 pmac_id;		/* MAC addr handle used by BE card */
+
+	struct be_link_info link;
+	u32 port_num;
+};
+
+extern struct ethtool_ops be_ethtool_ops;
+
+#define drvr_stats(adapter)		(&adapter->stats.drvr_stats)
+
+#define BE_SET_NETDEV_OPS(netdev, ops)	(netdev->netdev_ops = ops)
+
+static inline u32 MODULO(u16 val, u16 limit)
+{
+	BUG_ON(limit & (limit - 1));
+	return val & (limit - 1);
+}
+
+static inline void index_adv(u16 *index, u16 val, u16 limit)
+{
+	*index = MODULO((*index + val), limit);
+}
+
+static inline void index_inc(u16 *index, u16 limit)
+{
+	*index = MODULO((*index + 1), limit);
+}
+
+#define PAGE_SHIFT_4K		12
+#define PAGE_SIZE_4K		(1 << PAGE_SHIFT_4K)
+
+/* Returns number of pages spanned by the data starting at the given addr */
+#define PAGES_4K_SPANNED(_address, size) 				\
+		((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + 	\
+			(size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
+
+/* Byte offset into the page corresponding to given address */
+#define OFFSET_IN_PAGE(addr)						\
+		 ((size_t)(addr) & (PAGE_SIZE_4K-1))
+
+/* Returns bit offset within a DWORD of a bitfield */
+#define AMAP_BIT_OFFSET(_struct, field)  				\
+		(((size_t)&(((_struct *)0)->field))%32)
+
+/* Returns the bit mask of the field that is NOT shifted into location. */
+static inline u32 amap_mask(u32 bitsize)
+{
+	return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
+}
+
+static inline void
+amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
+{
+	u32 *dw = (u32 *) ptr + dw_offset;
+	*dw &= ~(mask << offset);
+	*dw |= (mask & value) << offset;
+}
+
+#define AMAP_SET_BITS(_struct, field, ptr, val)				\
+		amap_set(ptr,						\
+			offsetof(_struct, field)/32,			\
+			amap_mask(sizeof(((_struct *)0)->field)),	\
+			AMAP_BIT_OFFSET(_struct, field),		\
+			val)
+
+static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
+{
+	u32 *dw = (u32 *) ptr;
+	return mask & (*(dw + dw_offset) >> offset);
+}
+
+#define AMAP_GET_BITS(_struct, field, ptr)				\
+		amap_get(ptr,						\
+			offsetof(_struct, field)/32,			\
+			amap_mask(sizeof(((_struct *)0)->field)),	\
+			AMAP_BIT_OFFSET(_struct, field))
+
+#define be_dws_cpu_to_le(wrb, len)	swap_dws(wrb, len)
+#define be_dws_le_to_cpu(wrb, len)	swap_dws(wrb, len)
+static inline void swap_dws(void *wrb, int len)
+{
+#ifdef __BIG_ENDIAN
+	u32 *dw = wrb;
+	BUG_ON(len % 4);
+	do {
+		*dw = cpu_to_le32(*dw);
+		dw++;
+		len -= 4;
+	} while (len);
+#endif				/* __BIG_ENDIAN */
+}
+
+static inline u8 is_tcp_pkt(struct sk_buff *skb)
+{
+	u8 val = 0;
+
+	if (ip_hdr(skb)->version == 4)
+		val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
+	else if (ip_hdr(skb)->version == 6)
+		val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
+
+	return val;
+}
+
+static inline u8 is_udp_pkt(struct sk_buff *skb)
+{
+	u8 val = 0;
+
+	if (ip_hdr(skb)->version == 4)
+		val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
+	else if (ip_hdr(skb)->version == 6)
+		val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
+
+	return val;
+}
+
+#endif				/* BE_H */

drivers/net/benet/be_cmds.c

@@ -0,0 +1,861 @@
+/*
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+
+#include "be.h"
+
+static int be_mbox_db_ready_wait(void __iomem *db)
+{
+	int cnt = 0, wait = 5;
+	u32 ready;
+
+	do {
+		ready = ioread32(db) & MPU_MAILBOX_DB_RDY_MASK;
+		if (ready)
+			break;
+
+		if (cnt > 200000) {
+			printk(KERN_WARNING DRV_NAME
+				": mbox_db poll timed out\n");
+			return -1;
+		}
+
+		if (cnt > 50)
+			wait = 200;
+		cnt += wait;
+		udelay(wait);
+	} while (true);
+
+	return 0;
+}
+
+/*
+ * Insert the mailbox address into the doorbell in two steps
+ */
+static int be_mbox_db_ring(struct be_ctrl_info *ctrl)
+{
+	int status;
+	u16 compl_status, extd_status;
+	u32 val = 0;
+	void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET;
+	struct be_dma_mem *mbox_mem = &ctrl->mbox_mem;
+	struct be_mcc_mailbox *mbox = mbox_mem->va;
+	struct be_mcc_cq_entry *cqe = &mbox->cqe;
+
+	memset(cqe, 0, sizeof(*cqe));
+
+	val &= ~MPU_MAILBOX_DB_RDY_MASK;
+	val |= MPU_MAILBOX_DB_HI_MASK;
+	/* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
+	val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
+	iowrite32(val, db);
+
+	/* wait for ready to be set */
+	status = be_mbox_db_ready_wait(db);
+	if (status != 0)
+		return status;
+
+	val = 0;
+	val &= ~MPU_MAILBOX_DB_RDY_MASK;
+	val &= ~MPU_MAILBOX_DB_HI_MASK;
+	/* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
+	val |= (u32)(mbox_mem->dma >> 4) << 2;
+	iowrite32(val, db);
+
+	status = be_mbox_db_ready_wait(db);
+	if (status != 0)
+		return status;
+
+	/* compl entry has been made now */
+	be_dws_le_to_cpu(cqe, sizeof(*cqe));
+	if (!(cqe->flags & CQE_FLAGS_VALID_MASK)) {
+		printk(KERN_WARNING DRV_NAME ": ERROR invalid mbox compl\n");
+		return -1;
+	}
+
+	compl_status = (cqe->status >> CQE_STATUS_COMPL_SHIFT) &
+				CQE_STATUS_COMPL_MASK;
+	if (compl_status != MCC_STATUS_SUCCESS) {
+		extd_status = (cqe->status >> CQE_STATUS_EXTD_SHIFT) &
+				CQE_STATUS_EXTD_MASK;
+		printk(KERN_WARNING DRV_NAME
+			": ERROR in cmd compl. status(compl/extd)=%d/%d\n",
+			compl_status, extd_status);
+	}
+
+	return compl_status;
+}
+
+static int be_POST_stage_get(struct be_ctrl_info *ctrl, u16 *stage)
+{
+	u32 sem = ioread32(ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
+
+	*stage = sem & EP_SEMAPHORE_POST_STAGE_MASK;
+	if ((sem >> EP_SEMAPHORE_POST_ERR_SHIFT) & EP_SEMAPHORE_POST_ERR_MASK)
+		return -1;
+	else
+		return 0;
+}
+
+static int be_POST_stage_poll(struct be_ctrl_info *ctrl, u16 poll_stage)
+{
+	u16 stage, cnt, error;
+	for (cnt = 0; cnt < 5000; cnt++) {
+		error = be_POST_stage_get(ctrl, &stage);
+		if (error)
+			return -1;
+
+		if (stage == poll_stage)
+			break;
+		udelay(1000);
+	}
+	if (stage != poll_stage)
+		return -1;
+	return 0;
+}
+
+
+int be_cmd_POST(struct be_ctrl_info *ctrl)
+{
+	u16 stage, error;
+
+	error = be_POST_stage_get(ctrl, &stage);
+	if (error)
+		goto err;
+
+	if (stage == POST_STAGE_ARMFW_RDY)
+		return 0;
+
+	if (stage != POST_STAGE_AWAITING_HOST_RDY)
+		goto err;
+
+	/* On awaiting host rdy, reset and again poll on awaiting host rdy */
+	iowrite32(POST_STAGE_BE_RESET, ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
+	error = be_POST_stage_poll(ctrl, POST_STAGE_AWAITING_HOST_RDY);
+	if (error)
+		goto err;
+
+	/* Now kickoff POST and poll on armfw ready */
+	iowrite32(POST_STAGE_HOST_RDY, ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
+	error = be_POST_stage_poll(ctrl, POST_STAGE_ARMFW_RDY);
+	if (error)
+		goto err;
+
+	return 0;
+err:
+	printk(KERN_WARNING DRV_NAME ": ERROR, stage=%d\n", stage);
+	return -1;
+}
+
+static inline void *embedded_payload(struct be_mcc_wrb *wrb)
+{
+	return wrb->payload.embedded_payload;
+}
+
+static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
+{
+	return &wrb->payload.sgl[0];
+}
+
+/* Don't touch the hdr after it's prepared */
+static void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
+				bool embedded, u8 sge_cnt)
+{
+	if (embedded)
+		wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
+	else
+		wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) <<
+				MCC_WRB_SGE_CNT_SHIFT;
+	wrb->payload_length = payload_len;
+	be_dws_cpu_to_le(wrb, 20);
+}
+
+/* Don't touch the hdr after it's prepared */
+static void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
+				u8 subsystem, u8 opcode, int cmd_len)
+{
+	req_hdr->opcode = opcode;
+	req_hdr->subsystem = subsystem;
+	req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
+}
+
+static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
+			struct be_dma_mem *mem)
+{
+	int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
+	u64 dma = (u64)mem->dma;
+
+	for (i = 0; i < buf_pages; i++) {
+		pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
+		pages[i].hi = cpu_to_le32(upper_32_bits(dma));
+		dma += PAGE_SIZE_4K;
+	}
+}
+
+/* Converts interrupt delay in microseconds to multiplier value */
+static u32 eq_delay_to_mult(u32 usec_delay)
+{
+#define MAX_INTR_RATE			651042
+	const u32 round = 10;
+	u32 multiplier;
+
+	if (usec_delay == 0)
+		multiplier = 0;
+	else {
+		u32 interrupt_rate = 1000000 / usec_delay;
+		/* Max delay, corresponding to the lowest interrupt rate */
+		if (interrupt_rate == 0)
+			multiplier = 1023;
+		else {
+			multiplier = (MAX_INTR_RATE - interrupt_rate) * round;
+			multiplier /= interrupt_rate;
+			/* Round the multiplier to the closest value.*/
+			multiplier = (multiplier + round/2) / round;
+			multiplier = min(multiplier, (u32)1023);
+		}
+	}
+	return multiplier;
+}
+
+static inline struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem)
+{
+	return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
+}
+
+int be_cmd_eq_create(struct be_ctrl_info *ctrl,
+		struct be_queue_info *eq, int eq_delay)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_eq_create *req = embedded_payload(wrb);
+	struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
+	struct be_dma_mem *q_mem = &eq->dma_mem;
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_EQ_CREATE, sizeof(*req));
+
+	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
+
+	AMAP_SET_BITS(struct amap_eq_context, func, req->context,
+			ctrl->pci_func);
+	AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
+	/* 4byte eqe*/
+	AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
+	AMAP_SET_BITS(struct amap_eq_context, count, req->context,
+			__ilog2_u32(eq->len/256));
+	AMAP_SET_BITS(struct amap_eq_context, delaymult, req->context,
+			eq_delay_to_mult(eq_delay));
+	be_dws_cpu_to_le(req->context, sizeof(req->context));
+
+	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		eq->id = le16_to_cpu(resp->eq_id);
+		eq->created = true;
+	}
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr,
+			u8 type, bool permanent, u32 if_handle)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_mac_query *req = embedded_payload(wrb);
+	struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req));
+
+	req->type = type;
+	if (permanent) {
+		req->permanent = 1;
+	} else {
+		req->if_id = cpu_to_le16((u16)if_handle);
+		req->permanent = 0;
+	}
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status)
+		memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr,
+		u32 if_id, u32 *pmac_id)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_pmac_add *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req));
+
+	req->if_id = cpu_to_le32(if_id);
+	memcpy(req->mac_address, mac_addr, ETH_ALEN);
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
+		*pmac_id = le32_to_cpu(resp->pmac_id);
+	}
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_pmac_del *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req));
+
+	req->if_id = cpu_to_le32(if_id);
+	req->pmac_id = cpu_to_le32(pmac_id);
+
+	status = be_mbox_db_ring(ctrl);
+	spin_unlock(&ctrl->cmd_lock);
+
+	return status;
+}
+
+int be_cmd_cq_create(struct be_ctrl_info *ctrl,
+		struct be_queue_info *cq, struct be_queue_info *eq,
+		bool sol_evts, bool no_delay, int coalesce_wm)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_cq_create *req = embedded_payload(wrb);
+	struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
+	struct be_dma_mem *q_mem = &cq->dma_mem;
+	void *ctxt = &req->context;
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_CQ_CREATE, sizeof(*req));
+
+	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
+
+	AMAP_SET_BITS(struct amap_cq_context, coalescwm, ctxt, coalesce_wm);
+	AMAP_SET_BITS(struct amap_cq_context, nodelay, ctxt, no_delay);
+	AMAP_SET_BITS(struct amap_cq_context, count, ctxt,
+			__ilog2_u32(cq->len/256));
+	AMAP_SET_BITS(struct amap_cq_context, valid, ctxt, 1);
+	AMAP_SET_BITS(struct amap_cq_context, solevent, ctxt, sol_evts);
+	AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1);
+	AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id);
+	AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 0);
+	AMAP_SET_BITS(struct amap_cq_context, func, ctxt, ctrl->pci_func);
+	be_dws_cpu_to_le(ctxt, sizeof(req->context));
+
+	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		cq->id = le16_to_cpu(resp->cq_id);
+		cq->created = true;
+	}
+	spin_unlock(&ctrl->cmd_lock);
+
+	return status;
+}
+
+int be_cmd_txq_create(struct be_ctrl_info *ctrl,
+			struct be_queue_info *txq,
+			struct be_queue_info *cq)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_eth_tx_create *req = embedded_payload(wrb);
+	struct be_dma_mem *q_mem = &txq->dma_mem;
+	void *ctxt = &req->context;
+	int status;
+	u32 len_encoded;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_TX_CREATE,
+		sizeof(*req));
+
+	req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
+	req->ulp_num = BE_ULP1_NUM;
+	req->type = BE_ETH_TX_RING_TYPE_STANDARD;
+
+	len_encoded = fls(txq->len); /* log2(len) + 1 */
+	if (len_encoded == 16)
+		len_encoded = 0;
+	AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt, len_encoded);
+	AMAP_SET_BITS(struct amap_tx_context, pci_func_id, ctxt,
+			ctrl->pci_func);
+	AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1);
+	AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id);
+
+	be_dws_cpu_to_le(ctxt, sizeof(req->context));
+
+	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		struct be_cmd_resp_eth_tx_create *resp = embedded_payload(wrb);
+		txq->id = le16_to_cpu(resp->cid);
+		txq->created = true;
+	}
+	spin_unlock(&ctrl->cmd_lock);
+
+	return status;
+}
+
+int be_cmd_rxq_create(struct be_ctrl_info *ctrl,
+		struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
+		u16 max_frame_size, u32 if_id, u32 rss)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_eth_rx_create *req = embedded_payload(wrb);
+	struct be_dma_mem *q_mem = &rxq->dma_mem;
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_CREATE,
+		sizeof(*req));
+
+	req->cq_id = cpu_to_le16(cq_id);
+	req->frag_size = fls(frag_size) - 1;
+	req->num_pages = 2;
+	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
+	req->interface_id = cpu_to_le32(if_id);
+	req->max_frame_size = cpu_to_le16(max_frame_size);
+	req->rss_queue = cpu_to_le32(rss);
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
+		rxq->id = le16_to_cpu(resp->id);
+		rxq->created = true;
+	}
+	spin_unlock(&ctrl->cmd_lock);
+
+	return status;
+}
+
+/* Generic destroyer function for all types of queues */
+int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
+		int queue_type)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_q_destroy *req = embedded_payload(wrb);
+	u8 subsys = 0, opcode = 0;
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+
+	memset(wrb, 0, sizeof(*wrb));
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	switch (queue_type) {
+	case QTYPE_EQ:
+		subsys = CMD_SUBSYSTEM_COMMON;
+		opcode = OPCODE_COMMON_EQ_DESTROY;
+		break;
+	case QTYPE_CQ:
+		subsys = CMD_SUBSYSTEM_COMMON;
+		opcode = OPCODE_COMMON_CQ_DESTROY;
+		break;
+	case QTYPE_TXQ:
+		subsys = CMD_SUBSYSTEM_ETH;
+		opcode = OPCODE_ETH_TX_DESTROY;
+		break;
+	case QTYPE_RXQ:
+		subsys = CMD_SUBSYSTEM_ETH;
+		opcode = OPCODE_ETH_RX_DESTROY;
+		break;
+	default:
+		printk(KERN_WARNING DRV_NAME ":bad Q type in Q destroy cmd\n");
+		status = -1;
+		goto err;
+	}
+	be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req));
+	req->id = cpu_to_le16(q->id);
+
+	status = be_mbox_db_ring(ctrl);
+err:
+	spin_unlock(&ctrl->cmd_lock);
+
+	return status;
+}
+
+/* Create an rx filtering policy configuration on an i/f */
+int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 flags, u8 *mac,
+		bool pmac_invalid, u32 *if_handle, u32 *pmac_id)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_if_create *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req));
+
+	req->capability_flags = cpu_to_le32(flags);
+	req->enable_flags = cpu_to_le32(flags);
+	if (!pmac_invalid)
+		memcpy(req->mac_addr, mac, ETH_ALEN);
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		struct be_cmd_resp_if_create *resp = embedded_payload(wrb);
+		*if_handle = le32_to_cpu(resp->interface_id);
+		if (!pmac_invalid)
+			*pmac_id = le32_to_cpu(resp->pmac_id);
+	}
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 interface_id)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_if_destroy *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req));
+
+	req->interface_id = cpu_to_le32(interface_id);
+	status = be_mbox_db_ring(ctrl);
+
+	spin_unlock(&ctrl->cmd_lock);
+
+	return status;
+}
+
+/* Get stats is a non embedded command: the request is not embedded inside
+ * WRB but is a separate dma memory block
+ */
+int be_cmd_get_stats(struct be_ctrl_info *ctrl, struct be_dma_mem *nonemb_cmd)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_get_stats *req = nonemb_cmd->va;
+	struct be_sge *sge = nonembedded_sgl(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	memset(req, 0, sizeof(*req));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
+		OPCODE_ETH_GET_STATISTICS, sizeof(*req));
+	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+	sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
+	sge->len = cpu_to_le32(nonemb_cmd->size);
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		struct be_cmd_resp_get_stats *resp = nonemb_cmd->va;
+		be_dws_le_to_cpu(&resp->hw_stats, sizeof(resp->hw_stats));
+	}
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_link_status_query(struct be_ctrl_info *ctrl,
+			struct be_link_info *link)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_link_status *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req));
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
+		link->speed = resp->mac_speed;
+		link->duplex = resp->mac_duplex;
+		link->fault = resp->mac_fault;
+	} else {
+		link->speed = PHY_LINK_SPEED_ZERO;
+	}
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_get_fw_version *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_GET_FW_VERSION, sizeof(*req));
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
+		strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN);
+	}
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+/* set the EQ delay interval of an EQ to specified value */
+int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_modify_eq_delay *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
+
+	req->num_eq = cpu_to_le32(1);
+	req->delay[0].eq_id = cpu_to_le32(eq_id);
+	req->delay[0].phase = 0;
+	req->delay[0].delay_multiplier = cpu_to_le32(eqd);
+
+	status = be_mbox_db_ring(ctrl);
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id, u16 *vtag_array,
+			u32 num, bool untagged, bool promiscuous)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_vlan_config *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req));
+
+	req->interface_id = if_id;
+	req->promiscuous = promiscuous;
+	req->untagged = untagged;
+	req->num_vlan = num;
+	if (!promiscuous) {
+		memcpy(req->normal_vlan, vtag_array,
+			req->num_vlan * sizeof(vtag_array[0]));
+	}
+
+	status = be_mbox_db_ring(ctrl);
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl, u8 port_num, bool en)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_promiscuous_config *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
+		OPCODE_ETH_PROMISCUOUS, sizeof(*req));
+
+	if (port_num)
+		req->port1_promiscuous = en;
+	else
+		req->port0_promiscuous = en;
+
+	status = be_mbox_db_ring(ctrl);
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id, u8 *mac_table,
+			u32 num, bool promiscuous)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_mcast_mac_config *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req));
+
+	req->interface_id = if_id;
+	req->promiscuous = promiscuous;
+	if (!promiscuous) {
+		req->num_mac = cpu_to_le16(num);
+		if (num)
+			memcpy(req->mac, mac_table, ETH_ALEN * num);
+	}
+
+	status = be_mbox_db_ring(ctrl);
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_set_flow_control(struct be_ctrl_info *ctrl, u32 tx_fc, u32 rx_fc)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_set_flow_control *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req));
+
+	req->tx_flow_control = cpu_to_le16((u16)tx_fc);
+	req->rx_flow_control = cpu_to_le16((u16)rx_fc);
+
+	status = be_mbox_db_ring(ctrl);
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_get_flow_control(struct be_ctrl_info *ctrl, u32 *tx_fc, u32 *rx_fc)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_get_flow_control *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req));
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		struct be_cmd_resp_get_flow_control *resp =
+						embedded_payload(wrb);
+		*tx_fc = le16_to_cpu(resp->tx_flow_control);
+		*rx_fc = le16_to_cpu(resp->rx_flow_control);
+	}
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}
+
+int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num)
+{
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_cmd_req_query_fw_cfg *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->cmd_lock);
+
+	memset(wrb, 0, sizeof(*wrb));
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
+
+	status = be_mbox_db_ring(ctrl);
+	if (!status) {
+		struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
+		*port_num = le32_to_cpu(resp->phys_port);
+	}
+
+	spin_unlock(&ctrl->cmd_lock);
+	return status;
+}

drivers/net/benet/be_cmds.h

@@ -0,0 +1,688 @@
+/*
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+
+/*
+ * The driver sends configuration and managements command requests to the
+ * firmware in the BE. These requests are communicated to the processor
+ * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
+ * WRB inside a MAILBOX.
+ * The commands are serviced by the ARM processor in the BladeEngine's MPU.
+ */
+
+struct be_sge {
+	u32 pa_lo;
+	u32 pa_hi;
+	u32 len;
+};
+
+#define MCC_WRB_EMBEDDED_MASK	1 	/* bit 0 of dword 0*/
+#define MCC_WRB_SGE_CNT_SHIFT	3	/* bits 3 - 7 of dword 0 */
+#define MCC_WRB_SGE_CNT_MASK	0x1F	/* bits 3 - 7 of dword 0 */
+struct be_mcc_wrb {
+	u32 embedded;		/* dword 0 */
+	u32 payload_length;	/* dword 1 */
+	u32 tag0;		/* dword 2 */
+	u32 tag1;		/* dword 3 */
+	u32 rsvd;		/* dword 4 */
+	union {
+		u8 embedded_payload[236]; /* used by embedded cmds */
+		struct be_sge sgl[19];    /* used by non-embedded cmds */
+	} payload;
+};
+
+#define CQE_FLAGS_VALID_MASK 		(1 << 31)
+#define CQE_FLAGS_ASYNC_MASK 		(1 << 30)
+#define CQE_FLAGS_COMPLETED_MASK 	(1 << 28)
+#define CQE_FLAGS_CONSUMED_MASK 	(1 << 27)
+
+/* Completion Status */
+enum {
+	MCC_STATUS_SUCCESS = 0x0,
+/* The client does not have sufficient privileges to execute the command */
+	MCC_STATUS_INSUFFICIENT_PRIVILEGES = 0x1,
+/* A parameter in the command was invalid. */
+	MCC_STATUS_INVALID_PARAMETER = 0x2,
+/* There are insufficient chip resources to execute the command */
+	MCC_STATUS_INSUFFICIENT_RESOURCES = 0x3,
+/* The command is completing because the queue was getting flushed */
+	MCC_STATUS_QUEUE_FLUSHING = 0x4,
+/* The command is completing with a DMA error */
+	MCC_STATUS_DMA_FAILED = 0x5
+};
+
+#define CQE_STATUS_COMPL_MASK		0xFFFF
+#define CQE_STATUS_COMPL_SHIFT		0	/* bits 0 - 15 */
+#define CQE_STATUS_EXTD_MASK		0xFFFF
+#define CQE_STATUS_EXTD_SHIFT		0	/* bits 0 - 15 */
+
+struct be_mcc_cq_entry {
+	u32 status;		/* dword 0 */
+	u32 tag0;		/* dword 1 */
+	u32 tag1;		/* dword 2 */
+	u32 flags;		/* dword 3 */
+};
+
+struct be_mcc_mailbox {
+	struct be_mcc_wrb wrb;
+	struct be_mcc_cq_entry cqe;
+};
+
+#define CMD_SUBSYSTEM_COMMON	0x1
+#define CMD_SUBSYSTEM_ETH 	0x3
+
+#define OPCODE_COMMON_NTWK_MAC_QUERY			1
+#define OPCODE_COMMON_NTWK_MAC_SET			2
+#define OPCODE_COMMON_NTWK_MULTICAST_SET		3
+#define OPCODE_COMMON_NTWK_VLAN_CONFIG  		4
+#define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY		5
+#define OPCODE_COMMON_CQ_CREATE				12
+#define OPCODE_COMMON_EQ_CREATE				13
+#define OPCODE_COMMON_MCC_CREATE        		21
+#define OPCODE_COMMON_NTWK_RX_FILTER    		34
+#define OPCODE_COMMON_GET_FW_VERSION			35
+#define OPCODE_COMMON_SET_FLOW_CONTROL			36
+#define OPCODE_COMMON_GET_FLOW_CONTROL			37
+#define OPCODE_COMMON_SET_FRAME_SIZE			39
+#define OPCODE_COMMON_MODIFY_EQ_DELAY			41
+#define OPCODE_COMMON_FIRMWARE_CONFIG			42
+#define OPCODE_COMMON_NTWK_INTERFACE_CREATE 		50
+#define OPCODE_COMMON_NTWK_INTERFACE_DESTROY 		51
+#define OPCODE_COMMON_CQ_DESTROY        		54
+#define OPCODE_COMMON_EQ_DESTROY        		55
+#define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG		58
+#define OPCODE_COMMON_NTWK_PMAC_ADD			59
+#define OPCODE_COMMON_NTWK_PMAC_DEL			60
+
+#define OPCODE_ETH_ACPI_CONFIG				2
+#define OPCODE_ETH_PROMISCUOUS				3
+#define OPCODE_ETH_GET_STATISTICS			4
+#define OPCODE_ETH_TX_CREATE				7
+#define OPCODE_ETH_RX_CREATE            		8
+#define OPCODE_ETH_TX_DESTROY           		9
+#define OPCODE_ETH_RX_DESTROY           		10
+
+struct be_cmd_req_hdr {
+	u8 opcode;		/* dword 0 */
+	u8 subsystem;		/* dword 0 */
+	u8 port_number;		/* dword 0 */
+	u8 domain;		/* dword 0 */
+	u32 timeout;		/* dword 1 */
+	u32 request_length;	/* dword 2 */
+	u32 rsvd;		/* dword 3 */
+};
+
+#define RESP_HDR_INFO_OPCODE_SHIFT	0	/* bits 0 - 7 */
+#define RESP_HDR_INFO_SUBSYS_SHIFT	8 	/* bits 8 - 15 */
+struct be_cmd_resp_hdr {
+	u32 info;		/* dword 0 */
+	u32 status;		/* dword 1 */
+	u32 response_length;	/* dword 2 */
+	u32 actual_resp_len;	/* dword 3 */
+};
+
+struct phys_addr {
+	u32 lo;
+	u32 hi;
+};
+
+/**************************
+ * BE Command definitions *
+ **************************/
+
+/* Pseudo amap definition in which each bit of the actual structure is defined
+ * as a byte: used to calculate offset/shift/mask of each field */
+struct amap_eq_context {
+	u8 cidx[13];		/* dword 0*/
+	u8 rsvd0[3];		/* dword 0*/
+	u8 epidx[13];		/* dword 0*/
+	u8 valid;		/* dword 0*/
+	u8 rsvd1;		/* dword 0*/
+	u8 size;		/* dword 0*/
+	u8 pidx[13];		/* dword 1*/
+	u8 rsvd2[3];		/* dword 1*/
+	u8 pd[10];		/* dword 1*/
+	u8 count[3];		/* dword 1*/
+	u8 solevent;		/* dword 1*/
+	u8 stalled;		/* dword 1*/
+	u8 armed;		/* dword 1*/
+	u8 rsvd3[4];		/* dword 2*/
+	u8 func[8];		/* dword 2*/
+	u8 rsvd4;		/* dword 2*/
+	u8 delaymult[10];	/* dword 2*/
+	u8 rsvd5[2];		/* dword 2*/
+	u8 phase[2];		/* dword 2*/
+	u8 nodelay;		/* dword 2*/
+	u8 rsvd6[4];		/* dword 2*/
+	u8 rsvd7[32];		/* dword 3*/
+} __packed;
+
+struct be_cmd_req_eq_create {
+	struct be_cmd_req_hdr hdr;
+	u16 num_pages;		/* sword */
+	u16 rsvd0;		/* sword */
+	u8 context[sizeof(struct amap_eq_context) / 8];
+	struct phys_addr pages[8];
+} __packed;
+
+struct be_cmd_resp_eq_create {
+	struct be_cmd_resp_hdr resp_hdr;
+	u16 eq_id;		/* sword */
+	u16 rsvd0;		/* sword */
+} __packed;
+
+/******************** Mac query ***************************/
+enum {
+	MAC_ADDRESS_TYPE_STORAGE = 0x0,
+	MAC_ADDRESS_TYPE_NETWORK = 0x1,
+	MAC_ADDRESS_TYPE_PD = 0x2,
+	MAC_ADDRESS_TYPE_MANAGEMENT = 0x3
+};
+
+struct mac_addr {
+	u16 size_of_struct;
+	u8 addr[ETH_ALEN];
+} __packed;
+
+struct be_cmd_req_mac_query {
+	struct be_cmd_req_hdr hdr;
+	u8 type;
+	u8 permanent;
+	u16 if_id;
+} __packed;
+
+struct be_cmd_resp_mac_query {
+	struct be_cmd_resp_hdr hdr;
+	struct mac_addr mac;
+};
+
+/******************** PMac Add ***************************/
+struct be_cmd_req_pmac_add {
+	struct be_cmd_req_hdr hdr;
+	u32 if_id;
+	u8 mac_address[ETH_ALEN];
+	u8 rsvd0[2];
+} __packed;
+
+struct be_cmd_resp_pmac_add {
+	struct be_cmd_resp_hdr hdr;
+	u32 pmac_id;
+};
+
+/******************** PMac Del ***************************/
+struct be_cmd_req_pmac_del {
+	struct be_cmd_req_hdr hdr;
+	u32 if_id;
+	u32 pmac_id;
+};
+
+/******************** Create CQ ***************************/
+/* Pseudo amap definition in which each bit of the actual structure is defined
+ * as a byte: used to calculate offset/shift/mask of each field */
+struct amap_cq_context {
+	u8 cidx[11];		/* dword 0*/
+	u8 rsvd0;		/* dword 0*/
+	u8 coalescwm[2];	/* dword 0*/
+	u8 nodelay;		/* dword 0*/
+	u8 epidx[11];		/* dword 0*/
+	u8 rsvd1;		/* dword 0*/
+	u8 count[2];		/* dword 0*/
+	u8 valid;		/* dword 0*/
+	u8 solevent;		/* dword 0*/
+	u8 eventable;		/* dword 0*/
+	u8 pidx[11];		/* dword 1*/
+	u8 rsvd2;		/* dword 1*/
+	u8 pd[10];		/* dword 1*/
+	u8 eqid[8];		/* dword 1*/
+	u8 stalled;		/* dword 1*/
+	u8 armed;		/* dword 1*/
+	u8 rsvd3[4];		/* dword 2*/
+	u8 func[8];		/* dword 2*/
+	u8 rsvd4[20];		/* dword 2*/
+	u8 rsvd5[32];		/* dword 3*/
+} __packed;
+
+struct be_cmd_req_cq_create {
+	struct be_cmd_req_hdr hdr;
+	u16 num_pages;
+	u16 rsvd0;
+	u8 context[sizeof(struct amap_cq_context) / 8];
+	struct phys_addr pages[8];
+} __packed;
+
+struct be_cmd_resp_cq_create {
+	struct be_cmd_resp_hdr hdr;
+	u16 cq_id;
+	u16 rsvd0;
+} __packed;
+
+/******************** Create TxQ ***************************/
+#define BE_ETH_TX_RING_TYPE_STANDARD    	2
+#define BE_ULP1_NUM				1
+
+/* Pseudo amap definition in which each bit of the actual structure is defined
+ * as a byte: used to calculate offset/shift/mask of each field */
+struct amap_tx_context {
+	u8 rsvd0[16];		/* dword 0 */
+	u8 tx_ring_size[4];	/* dword 0 */
+	u8 rsvd1[26];		/* dword 0 */
+	u8 pci_func_id[8];	/* dword 1 */
+	u8 rsvd2[9];		/* dword 1 */
+	u8 ctx_valid;		/* dword 1 */
+	u8 cq_id_send[16];	/* dword 2 */
+	u8 rsvd3[16];		/* dword 2 */
+	u8 rsvd4[32];		/* dword 3 */
+	u8 rsvd5[32];		/* dword 4 */
+	u8 rsvd6[32];		/* dword 5 */
+	u8 rsvd7[32];		/* dword 6 */
+	u8 rsvd8[32];		/* dword 7 */
+	u8 rsvd9[32];		/* dword 8 */
+	u8 rsvd10[32];		/* dword 9 */
+	u8 rsvd11[32];		/* dword 10 */
+	u8 rsvd12[32];		/* dword 11 */
+	u8 rsvd13[32];		/* dword 12 */
+	u8 rsvd14[32];		/* dword 13 */
+	u8 rsvd15[32];		/* dword 14 */
+	u8 rsvd16[32];		/* dword 15 */
+} __packed;
+
+struct be_cmd_req_eth_tx_create {
+	struct be_cmd_req_hdr hdr;
+	u8 num_pages;
+	u8 ulp_num;
+	u8 type;
+	u8 bound_port;
+	u8 context[sizeof(struct amap_tx_context) / 8];
+	struct phys_addr pages[8];
+} __packed;
+
+struct be_cmd_resp_eth_tx_create {
+	struct be_cmd_resp_hdr hdr;
+	u16 cid;
+	u16 rsvd0;
+} __packed;
+
+/******************** Create RxQ ***************************/
+struct be_cmd_req_eth_rx_create {
+	struct be_cmd_req_hdr hdr;
+	u16 cq_id;
+	u8 frag_size;
+	u8 num_pages;
+	struct phys_addr pages[2];
+	u32 interface_id;
+	u16 max_frame_size;
+	u16 rsvd0;
+	u32 rss_queue;
+} __packed;
+
+struct be_cmd_resp_eth_rx_create {
+	struct be_cmd_resp_hdr hdr;
+	u16 id;
+	u8 cpu_id;
+	u8 rsvd0;
+} __packed;
+
+/******************** Q Destroy  ***************************/
+/* Type of Queue to be destroyed */
+enum {
+	QTYPE_EQ = 1,
+	QTYPE_CQ,
+	QTYPE_TXQ,
+	QTYPE_RXQ
+};
+
+struct be_cmd_req_q_destroy {
+	struct be_cmd_req_hdr hdr;
+	u16 id;
+	u16 bypass_flush;	/* valid only for rx q destroy */
+} __packed;
+
+/************ I/f Create (it's actually I/f Config Create)**********/
+
+/* Capability flags for the i/f */
+enum be_if_flags {
+	BE_IF_FLAGS_RSS = 0x4,
+	BE_IF_FLAGS_PROMISCUOUS = 0x8,
+	BE_IF_FLAGS_BROADCAST = 0x10,
+	BE_IF_FLAGS_UNTAGGED = 0x20,
+	BE_IF_FLAGS_ULP = 0x40,
+	BE_IF_FLAGS_VLAN_PROMISCUOUS = 0x80,
+	BE_IF_FLAGS_VLAN = 0x100,
+	BE_IF_FLAGS_MCAST_PROMISCUOUS = 0x200,
+	BE_IF_FLAGS_PASS_L2_ERRORS = 0x400,
+	BE_IF_FLAGS_PASS_L3L4_ERRORS = 0x800
+};
+
+/* An RX interface is an object with one or more MAC addresses and
+ * filtering capabilities. */
+struct be_cmd_req_if_create {
+	struct be_cmd_req_hdr hdr;
+	u32 version;		/* ignore currntly */
+	u32 capability_flags;
+	u32 enable_flags;
+	u8 mac_addr[ETH_ALEN];
+	u8 rsvd0;
+	u8 pmac_invalid; /* if set, don't attach the mac addr to the i/f */
+	u32 vlan_tag;	 /* not used currently */
+} __packed;
+
+struct be_cmd_resp_if_create {
+	struct be_cmd_resp_hdr hdr;
+	u32 interface_id;
+	u32 pmac_id;
+};
+
+/****** I/f Destroy(it's actually I/f Config Destroy )**********/
+struct be_cmd_req_if_destroy {
+	struct be_cmd_req_hdr hdr;
+	u32 interface_id;
+};
+
+/*************** HW Stats Get **********************************/
+struct be_port_rxf_stats {
+	u32 rx_bytes_lsd;	/* dword 0*/
+	u32 rx_bytes_msd;	/* dword 1*/
+	u32 rx_total_frames;	/* dword 2*/
+	u32 rx_unicast_frames;	/* dword 3*/
+	u32 rx_multicast_frames;	/* dword 4*/
+	u32 rx_broadcast_frames;	/* dword 5*/
+	u32 rx_crc_errors;	/* dword 6*/
+	u32 rx_alignment_symbol_errors;	/* dword 7*/
+	u32 rx_pause_frames;	/* dword 8*/
+	u32 rx_control_frames;	/* dword 9*/
+	u32 rx_in_range_errors;	/* dword 10*/
+	u32 rx_out_range_errors;	/* dword 11*/
+	u32 rx_frame_too_long;	/* dword 12*/
+	u32 rx_address_match_errors;	/* dword 13*/
+	u32 rx_vlan_mismatch;	/* dword 14*/
+	u32 rx_dropped_too_small;	/* dword 15*/
+	u32 rx_dropped_too_short;	/* dword 16*/
+	u32 rx_dropped_header_too_small;	/* dword 17*/
+	u32 rx_dropped_tcp_length;	/* dword 18*/
+	u32 rx_dropped_runt;	/* dword 19*/
+	u32 rx_64_byte_packets;	/* dword 20*/
+	u32 rx_65_127_byte_packets;	/* dword 21*/
+	u32 rx_128_256_byte_packets;	/* dword 22*/
+	u32 rx_256_511_byte_packets;	/* dword 23*/
+	u32 rx_512_1023_byte_packets;	/* dword 24*/
+	u32 rx_1024_1518_byte_packets;	/* dword 25*/
+	u32 rx_1519_2047_byte_packets;	/* dword 26*/
+	u32 rx_2048_4095_byte_packets;	/* dword 27*/
+	u32 rx_4096_8191_byte_packets;	/* dword 28*/
+	u32 rx_8192_9216_byte_packets;	/* dword 29*/
+	u32 rx_ip_checksum_errs;	/* dword 30*/
+	u32 rx_tcp_checksum_errs;	/* dword 31*/
+	u32 rx_udp_checksum_errs;	/* dword 32*/
+	u32 rx_non_rss_packets;	/* dword 33*/
+	u32 rx_ipv4_packets;	/* dword 34*/
+	u32 rx_ipv6_packets;	/* dword 35*/
+	u32 rx_ipv4_bytes_lsd;	/* dword 36*/
+	u32 rx_ipv4_bytes_msd;	/* dword 37*/
+	u32 rx_ipv6_bytes_lsd;	/* dword 38*/
+	u32 rx_ipv6_bytes_msd;	/* dword 39*/
+	u32 rx_chute1_packets;	/* dword 40*/
+	u32 rx_chute2_packets;	/* dword 41*/
+	u32 rx_chute3_packets;	/* dword 42*/
+	u32 rx_management_packets;	/* dword 43*/
+	u32 rx_switched_unicast_packets;	/* dword 44*/
+	u32 rx_switched_multicast_packets;	/* dword 45*/
+	u32 rx_switched_broadcast_packets;	/* dword 46*/
+	u32 tx_bytes_lsd;	/* dword 47*/
+	u32 tx_bytes_msd;	/* dword 48*/
+	u32 tx_unicastframes;	/* dword 49*/
+	u32 tx_multicastframes;	/* dword 50*/
+	u32 tx_broadcastframes;	/* dword 51*/
+	u32 tx_pauseframes;	/* dword 52*/
+	u32 tx_controlframes;	/* dword 53*/
+	u32 tx_64_byte_packets;	/* dword 54*/
+	u32 tx_65_127_byte_packets;	/* dword 55*/
+	u32 tx_128_256_byte_packets;	/* dword 56*/
+	u32 tx_256_511_byte_packets;	/* dword 57*/
+	u32 tx_512_1023_byte_packets;	/* dword 58*/
+	u32 tx_1024_1518_byte_packets;	/* dword 59*/
+	u32 tx_1519_2047_byte_packets;	/* dword 60*/
+	u32 tx_2048_4095_byte_packets;	/* dword 61*/
+	u32 tx_4096_8191_byte_packets;	/* dword 62*/
+	u32 tx_8192_9216_byte_packets;	/* dword 63*/
+	u32 rx_fifo_overflow;	/* dword 64*/
+	u32 rx_input_fifo_overflow;	/* dword 65*/
+};
+
+struct be_rxf_stats {
+	struct be_port_rxf_stats port[2];
+	u32 rx_drops_no_pbuf;	/* dword 132*/
+	u32 rx_drops_no_txpb;	/* dword 133*/
+	u32 rx_drops_no_erx_descr;	/* dword 134*/
+	u32 rx_drops_no_tpre_descr;	/* dword 135*/
+	u32 management_rx_port_packets;	/* dword 136*/
+	u32 management_rx_port_bytes;	/* dword 137*/
+	u32 management_rx_port_pause_frames;	/* dword 138*/
+	u32 management_rx_port_errors;	/* dword 139*/
+	u32 management_tx_port_packets;	/* dword 140*/
+	u32 management_tx_port_bytes;	/* dword 141*/
+	u32 management_tx_port_pause;	/* dword 142*/
+	u32 management_rx_port_rxfifo_overflow;	/* dword 143*/
+	u32 rx_drops_too_many_frags;	/* dword 144*/
+	u32 rx_drops_invalid_ring;	/* dword 145*/
+	u32 forwarded_packets;	/* dword 146*/
+	u32 rx_drops_mtu;	/* dword 147*/
+	u32 rsvd0[15];
+};
+
+struct be_erx_stats {
+	u32 rx_drops_no_fragments[44];     /* dwordS 0 to 43*/
+	u32 debug_wdma_sent_hold;          /* dword 44*/
+	u32 debug_wdma_pbfree_sent_hold;   /* dword 45*/
+	u32 debug_wdma_zerobyte_pbfree_sent_hold; /* dword 46*/
+	u32 debug_pmem_pbuf_dealloc;       /* dword 47*/
+};
+
+struct be_hw_stats {
+	struct be_rxf_stats rxf;
+	u32 rsvd[48];
+	struct be_erx_stats erx;
+};
+
+struct be_cmd_req_get_stats {
+	struct be_cmd_req_hdr hdr;
+	u8 rsvd[sizeof(struct be_hw_stats)];
+};
+
+struct be_cmd_resp_get_stats {
+	struct be_cmd_resp_hdr hdr;
+	struct be_hw_stats hw_stats;
+};
+
+struct be_cmd_req_vlan_config {
+	struct be_cmd_req_hdr hdr;
+	u8 interface_id;
+	u8 promiscuous;
+	u8 untagged;
+	u8 num_vlan;
+	u16 normal_vlan[64];
+} __packed;
+
+struct be_cmd_req_promiscuous_config {
+	struct be_cmd_req_hdr hdr;
+	u8 port0_promiscuous;
+	u8 port1_promiscuous;
+	u16 rsvd0;
+} __packed;
+
+struct macaddr {
+	u8 byte[ETH_ALEN];
+};
+
+struct be_cmd_req_mcast_mac_config {
+	struct be_cmd_req_hdr hdr;
+	u16 num_mac;
+	u8 promiscuous;
+	u8 interface_id;
+	struct macaddr mac[32];
+} __packed;
+
+static inline struct be_hw_stats *
+hw_stats_from_cmd(struct be_cmd_resp_get_stats *cmd)
+{
+	return &cmd->hw_stats;
+}
+
+/******************** Link Status Query *******************/
+struct be_cmd_req_link_status {
+	struct be_cmd_req_hdr hdr;
+	u32 rsvd;
+};
+
+struct be_link_info {
+	u8 duplex;
+	u8 speed;
+	u8 fault;
+};
+
+enum {
+	PHY_LINK_DUPLEX_NONE = 0x0,
+	PHY_LINK_DUPLEX_HALF = 0x1,
+	PHY_LINK_DUPLEX_FULL = 0x2
+};
+
+enum {
+	PHY_LINK_SPEED_ZERO = 0x0, 	/* => No link */
+	PHY_LINK_SPEED_10MBPS = 0x1,
+	PHY_LINK_SPEED_100MBPS = 0x2,
+	PHY_LINK_SPEED_1GBPS = 0x3,
+	PHY_LINK_SPEED_10GBPS = 0x4
+};
+
+struct be_cmd_resp_link_status {
+	struct be_cmd_resp_hdr hdr;
+	u8 physical_port;
+	u8 mac_duplex;
+	u8 mac_speed;
+	u8 mac_fault;
+	u8 mgmt_mac_duplex;
+	u8 mgmt_mac_speed;
+	u16 rsvd0;
+} __packed;
+
+/******************** Get FW Version *******************/
+#define FW_VER_LEN			32
+struct be_cmd_req_get_fw_version {
+	struct be_cmd_req_hdr hdr;
+	u8 rsvd0[FW_VER_LEN];
+	u8 rsvd1[FW_VER_LEN];
+} __packed;
+
+struct be_cmd_resp_get_fw_version {
+	struct be_cmd_resp_hdr hdr;
+	u8 firmware_version_string[FW_VER_LEN];
+	u8 fw_on_flash_version_string[FW_VER_LEN];
+} __packed;
+
+/******************** Set Flow Contrl *******************/
+struct be_cmd_req_set_flow_control {
+	struct be_cmd_req_hdr hdr;
+	u16 tx_flow_control;
+	u16 rx_flow_control;
+} __packed;
+
+/******************** Get Flow Contrl *******************/
+struct be_cmd_req_get_flow_control {
+	struct be_cmd_req_hdr hdr;
+	u32 rsvd;
+};
+
+struct be_cmd_resp_get_flow_control {
+	struct be_cmd_resp_hdr hdr;
+	u16 tx_flow_control;
+	u16 rx_flow_control;
+} __packed;
+
+/******************** Modify EQ Delay *******************/
+struct be_cmd_req_modify_eq_delay {
+	struct be_cmd_req_hdr hdr;
+	u32 num_eq;
+	struct {
+		u32 eq_id;
+		u32 phase;
+		u32 delay_multiplier;
+	} delay[8];
+} __packed;
+
+struct be_cmd_resp_modify_eq_delay {
+	struct be_cmd_resp_hdr hdr;
+	u32 rsvd0;
+} __packed;
+
+/******************** Get FW Config *******************/
+struct be_cmd_req_query_fw_cfg {
+	struct be_cmd_req_hdr hdr;
+	u32 rsvd[30];
+};
+
+struct be_cmd_resp_query_fw_cfg {
+	struct be_cmd_resp_hdr hdr;
+	u32 be_config_number;
+	u32 asic_revision;
+	u32 phys_port;
+	u32 function_mode;
+	u32 rsvd[26];
+};
+
+extern int be_pci_fnum_get(struct be_ctrl_info *ctrl);
+extern int be_cmd_POST(struct be_ctrl_info *ctrl);
+extern int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr,
+			u8 type, bool permanent, u32 if_handle);
+extern int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr,
+			u32 if_id, u32 *pmac_id);
+extern int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id);
+extern int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 if_flags, u8 *mac,
+			bool pmac_invalid, u32 *if_handle, u32 *pmac_id);
+extern int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 if_handle);
+extern int be_cmd_eq_create(struct be_ctrl_info *ctrl,
+			struct be_queue_info *eq, int eq_delay);
+extern int be_cmd_cq_create(struct be_ctrl_info *ctrl,
+			struct be_queue_info *cq, struct be_queue_info *eq,
+			bool sol_evts, bool no_delay,
+			int num_cqe_dma_coalesce);
+extern int be_cmd_txq_create(struct be_ctrl_info *ctrl,
+			struct be_queue_info *txq,
+			struct be_queue_info *cq);
+extern int be_cmd_rxq_create(struct be_ctrl_info *ctrl,
+			struct be_queue_info *rxq, u16 cq_id,
+			u16 frag_size, u16 max_frame_size, u32 if_id,
+			u32 rss);
+extern int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
+			int type);
+extern int be_cmd_link_status_query(struct be_ctrl_info *ctrl,
+			struct be_link_info *link);
+extern int be_cmd_reset(struct be_ctrl_info *ctrl);
+extern int be_cmd_get_stats(struct be_ctrl_info *ctrl,
+			struct be_dma_mem *nonemb_cmd);
+extern int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver);
+
+extern int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd);
+extern int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id,
+			u16 *vtag_array, u32 num, bool untagged,
+			bool promiscuous);
+extern int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl,
+			u8 port_num, bool en);
+extern int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id,
+			u8 *mac_table, u32 num, bool promiscuous);
+extern int be_cmd_set_flow_control(struct be_ctrl_info *ctrl,
+			u32 tx_fc, u32 rx_fc);
+extern int be_cmd_get_flow_control(struct be_ctrl_info *ctrl,
+			u32 *tx_fc, u32 *rx_fc);
+extern int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num);

drivers/net/benet/be_ethtool.c

@@ -0,0 +1,362 @@
+/*
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+
+#include "be.h"
+#include <linux/ethtool.h>
+
+struct be_ethtool_stat {
+	char desc[ETH_GSTRING_LEN];
+	int type;
+	int size;
+	int offset;
+};
+
+enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT, ERXSTAT};
+#define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
+					offsetof(_struct, field)
+#define NETSTAT_INFO(field) 	#field, NETSTAT,\
+					FIELDINFO(struct net_device_stats,\
+						field)
+#define DRVSTAT_INFO(field) 	#field, DRVSTAT,\
+					FIELDINFO(struct be_drvr_stats, field)
+#define MISCSTAT_INFO(field) 	#field, MISCSTAT,\
+					FIELDINFO(struct be_rxf_stats, field)
+#define PORTSTAT_INFO(field) 	#field, PORTSTAT,\
+					FIELDINFO(struct be_port_rxf_stats, \
+						field)
+#define ERXSTAT_INFO(field) 	#field, ERXSTAT,\
+					FIELDINFO(struct be_erx_stats, field)
+
+static const struct be_ethtool_stat et_stats[] = {
+	{NETSTAT_INFO(rx_packets)},
+	{NETSTAT_INFO(tx_packets)},
+	{NETSTAT_INFO(rx_bytes)},
+	{NETSTAT_INFO(tx_bytes)},
+	{NETSTAT_INFO(rx_errors)},
+	{NETSTAT_INFO(tx_errors)},
+	{NETSTAT_INFO(rx_dropped)},
+	{NETSTAT_INFO(tx_dropped)},
+	{DRVSTAT_INFO(be_tx_reqs)},
+	{DRVSTAT_INFO(be_tx_stops)},
+	{DRVSTAT_INFO(be_fwd_reqs)},
+	{DRVSTAT_INFO(be_tx_wrbs)},
+	{DRVSTAT_INFO(be_polls)},
+	{DRVSTAT_INFO(be_tx_events)},
+	{DRVSTAT_INFO(be_rx_events)},
+	{DRVSTAT_INFO(be_tx_compl)},
+	{DRVSTAT_INFO(be_rx_compl)},
+	{DRVSTAT_INFO(be_ethrx_post_fail)},
+	{DRVSTAT_INFO(be_802_3_dropped_frames)},
+	{DRVSTAT_INFO(be_802_3_malformed_frames)},
+	{DRVSTAT_INFO(be_tx_rate)},
+	{DRVSTAT_INFO(be_rx_rate)},
+	{PORTSTAT_INFO(rx_unicast_frames)},
+	{PORTSTAT_INFO(rx_multicast_frames)},
+	{PORTSTAT_INFO(rx_broadcast_frames)},
+	{PORTSTAT_INFO(rx_crc_errors)},
+	{PORTSTAT_INFO(rx_alignment_symbol_errors)},
+	{PORTSTAT_INFO(rx_pause_frames)},
+	{PORTSTAT_INFO(rx_control_frames)},
+	{PORTSTAT_INFO(rx_in_range_errors)},
+	{PORTSTAT_INFO(rx_out_range_errors)},
+	{PORTSTAT_INFO(rx_frame_too_long)},
+	{PORTSTAT_INFO(rx_address_match_errors)},
+	{PORTSTAT_INFO(rx_vlan_mismatch)},
+	{PORTSTAT_INFO(rx_dropped_too_small)},
+	{PORTSTAT_INFO(rx_dropped_too_short)},
+	{PORTSTAT_INFO(rx_dropped_header_too_small)},
+	{PORTSTAT_INFO(rx_dropped_tcp_length)},
+	{PORTSTAT_INFO(rx_dropped_runt)},
+	{PORTSTAT_INFO(rx_fifo_overflow)},
+	{PORTSTAT_INFO(rx_input_fifo_overflow)},
+	{PORTSTAT_INFO(rx_ip_checksum_errs)},
+	{PORTSTAT_INFO(rx_tcp_checksum_errs)},
+	{PORTSTAT_INFO(rx_udp_checksum_errs)},
+	{PORTSTAT_INFO(rx_non_rss_packets)},
+	{PORTSTAT_INFO(rx_ipv4_packets)},
+	{PORTSTAT_INFO(rx_ipv6_packets)},
+	{PORTSTAT_INFO(tx_unicastframes)},
+	{PORTSTAT_INFO(tx_multicastframes)},
+	{PORTSTAT_INFO(tx_broadcastframes)},
+	{PORTSTAT_INFO(tx_pauseframes)},
+	{PORTSTAT_INFO(tx_controlframes)},
+	{MISCSTAT_INFO(rx_drops_no_pbuf)},
+	{MISCSTAT_INFO(rx_drops_no_txpb)},
+	{MISCSTAT_INFO(rx_drops_no_erx_descr)},
+	{MISCSTAT_INFO(rx_drops_no_tpre_descr)},
+	{MISCSTAT_INFO(rx_drops_too_many_frags)},
+	{MISCSTAT_INFO(rx_drops_invalid_ring)},
+	{MISCSTAT_INFO(forwarded_packets)},
+	{MISCSTAT_INFO(rx_drops_mtu)},
+	{ERXSTAT_INFO(rx_drops_no_fragments)},
+};
+#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
+
+static void
+be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	strcpy(drvinfo->driver, DRV_NAME);
+	strcpy(drvinfo->version, DRV_VER);
+	strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN);
+	strcpy(drvinfo->bus_info, pci_name(adapter->pdev));
+	drvinfo->testinfo_len = 0;
+	drvinfo->regdump_len = 0;
+	drvinfo->eedump_len = 0;
+}
+
+static int
+be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct be_eq_obj *rx_eq = &adapter->rx_eq;
+	struct be_eq_obj *tx_eq = &adapter->tx_eq;
+
+	coalesce->rx_max_coalesced_frames = adapter->max_rx_coal;
+
+	coalesce->rx_coalesce_usecs = rx_eq->cur_eqd;
+	coalesce->rx_coalesce_usecs_high = rx_eq->max_eqd;
+	coalesce->rx_coalesce_usecs_low = rx_eq->min_eqd;
+
+	coalesce->tx_coalesce_usecs = tx_eq->cur_eqd;
+	coalesce->tx_coalesce_usecs_high = tx_eq->max_eqd;
+	coalesce->tx_coalesce_usecs_low = tx_eq->min_eqd;
+
+	coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic;
+	coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic;
+
+	return 0;
+}
+
+/*
+ * This routine is used to set interrup coalescing delay *as well as*
+ * the number of pkts to coalesce for LRO.
+ */
+static int
+be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct be_ctrl_info *ctrl = &adapter->ctrl;
+	struct be_eq_obj *rx_eq = &adapter->rx_eq;
+	struct be_eq_obj *tx_eq = &adapter->tx_eq;
+	u32 tx_max, tx_min, tx_cur;
+	u32 rx_max, rx_min, rx_cur;
+	int status = 0;
+
+	if (coalesce->use_adaptive_tx_coalesce == 1)
+		return -EINVAL;
+
+	adapter->max_rx_coal = coalesce->rx_max_coalesced_frames;
+	if (adapter->max_rx_coal > MAX_SKB_FRAGS)
+		adapter->max_rx_coal = MAX_SKB_FRAGS - 1;
+
+	/* if AIC is being turned on now, start with an EQD of 0 */
+	if (rx_eq->enable_aic == 0 &&
+		coalesce->use_adaptive_rx_coalesce == 1) {
+		rx_eq->cur_eqd = 0;
+	}
+	rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce;
+
+	rx_max = coalesce->rx_coalesce_usecs_high;
+	rx_min = coalesce->rx_coalesce_usecs_low;
+	rx_cur = coalesce->rx_coalesce_usecs;
+
+	tx_max = coalesce->tx_coalesce_usecs_high;
+	tx_min = coalesce->tx_coalesce_usecs_low;
+	tx_cur = coalesce->tx_coalesce_usecs;
+
+	if (tx_cur > BE_MAX_EQD)
+		tx_cur = BE_MAX_EQD;
+	if (tx_eq->cur_eqd != tx_cur) {
+		status = be_cmd_modify_eqd(ctrl, tx_eq->q.id, tx_cur);
+		if (!status)
+			tx_eq->cur_eqd = tx_cur;
+	}
+
+	if (rx_eq->enable_aic) {
+		if (rx_max > BE_MAX_EQD)
+			rx_max = BE_MAX_EQD;
+		if (rx_min > rx_max)
+			rx_min = rx_max;
+		rx_eq->max_eqd = rx_max;
+		rx_eq->min_eqd = rx_min;
+		if (rx_eq->cur_eqd > rx_max)
+			rx_eq->cur_eqd = rx_max;
+		if (rx_eq->cur_eqd < rx_min)
+			rx_eq->cur_eqd = rx_min;
+	} else {
+		if (rx_cur > BE_MAX_EQD)
+			rx_cur = BE_MAX_EQD;
+		if (rx_eq->cur_eqd != rx_cur) {
+			status = be_cmd_modify_eqd(ctrl, rx_eq->q.id, rx_cur);
+			if (!status)
+				rx_eq->cur_eqd = rx_cur;
+		}
+	}
+	return 0;
+}
+
+static u32 be_get_rx_csum(struct net_device *netdev)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	return adapter->rx_csum;
+}
+
+static int be_set_rx_csum(struct net_device *netdev, uint32_t data)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	if (data)
+		adapter->rx_csum = true;
+	else
+		adapter->rx_csum = false;
+
+	return 0;
+}
+
+static void
+be_get_ethtool_stats(struct net_device *netdev,
+		struct ethtool_stats *stats, uint64_t *data)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct be_drvr_stats *drvr_stats = &adapter->stats.drvr_stats;
+	struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va);
+	struct be_rxf_stats *rxf_stats = &hw_stats->rxf;
+	struct be_port_rxf_stats *port_stats =
+			&rxf_stats->port[adapter->port_num];
+	struct net_device_stats *net_stats = &adapter->stats.net_stats;
+	struct be_erx_stats *erx_stats = &hw_stats->erx;
+	void *p = NULL;
+	int i;
+
+	for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
+		switch (et_stats[i].type) {
+		case NETSTAT:
+			p = net_stats;
+			break;
+		case DRVSTAT:
+			p = drvr_stats;
+			break;
+		case PORTSTAT:
+			p = port_stats;
+			break;
+		case MISCSTAT:
+			p = rxf_stats;
+			break;
+		case ERXSTAT: /* Currently only one ERX stat is provided */
+			p = (u32 *)erx_stats + adapter->rx_obj.q.id;
+			break;
+		}
+
+		p = (u8 *)p + et_stats[i].offset;
+		data[i] = (et_stats[i].size == sizeof(u64)) ?
+				*(u64 *)p: *(u32 *)p;
+	}
+
+	return;
+}
+
+static void
+be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
+		uint8_t *data)
+{
+	int i;
+	switch (stringset) {
+	case ETH_SS_STATS:
+		for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
+			memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
+			data += ETH_GSTRING_LEN;
+		}
+		break;
+	}
+}
+
+static int be_get_stats_count(struct net_device *netdev)
+{
+	return ETHTOOL_STATS_NUM;
+}
+
+static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
+{
+	ecmd->speed = SPEED_10000;
+	ecmd->duplex = DUPLEX_FULL;
+	ecmd->autoneg = AUTONEG_DISABLE;
+	return 0;
+}
+
+static void
+be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	ring->rx_max_pending = adapter->rx_obj.q.len;
+	ring->tx_max_pending = adapter->tx_obj.q.len;
+
+	ring->rx_pending = atomic_read(&adapter->rx_obj.q.used);
+	ring->tx_pending = atomic_read(&adapter->tx_obj.q.used);
+}
+
+static void
+be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	be_cmd_get_flow_control(&adapter->ctrl, &ecmd->tx_pause,
+		&ecmd->rx_pause);
+	ecmd->autoneg = AUTONEG_ENABLE;
+}
+
+static int
+be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	int status;
+
+	if (ecmd->autoneg != AUTONEG_ENABLE)
+		return -EINVAL;
+
+	status = be_cmd_set_flow_control(&adapter->ctrl, ecmd->tx_pause,
+			ecmd->rx_pause);
+	if (!status)
+		dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
+
+	return status;
+}
+
+struct ethtool_ops be_ethtool_ops = {
+	.get_settings = be_get_settings,
+	.get_drvinfo = be_get_drvinfo,
+	.get_link = ethtool_op_get_link,
+	.get_coalesce = be_get_coalesce,
+	.set_coalesce = be_set_coalesce,
+	.get_ringparam = be_get_ringparam,
+	.get_pauseparam = be_get_pauseparam,
+	.set_pauseparam = be_set_pauseparam,
+	.get_rx_csum = be_get_rx_csum,
+	.set_rx_csum = be_set_rx_csum,
+	.get_tx_csum = ethtool_op_get_tx_csum,
+	.set_tx_csum = ethtool_op_set_tx_csum,
+	.get_sg = ethtool_op_get_sg,
+	.set_sg = ethtool_op_set_sg,
+	.get_tso = ethtool_op_get_tso,
+	.set_tso = ethtool_op_set_tso,
+	.get_strings = be_get_stat_strings,
+	.get_stats_count = be_get_stats_count,
+	.get_ethtool_stats = be_get_ethtool_stats,
+};

drivers/net/benet/be_hw.h

@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+
+/********* Mailbox door bell *************/
+/* Used for driver communication with the FW.
+ * The software must write this register twice to post any command. First,
+ * it writes the register with hi=1 and the upper bits of the physical address
+ * for the MAILBOX structure. Software must poll the ready bit until this
+ * is acknowledged. Then, sotware writes the register with hi=0 with the lower
+ * bits in the address. It must poll the ready bit until the command is
+ * complete. Upon completion, the MAILBOX will contain a valid completion
+ * queue entry.
+ */
+#define MPU_MAILBOX_DB_OFFSET	0x160
+#define MPU_MAILBOX_DB_RDY_MASK	0x1 	/* bit 0 */
+#define MPU_MAILBOX_DB_HI_MASK	0x2	/* bit 1 */
+
+#define MPU_EP_CONTROL 		0
+
+/********** MPU semphore ******************/
+#define MPU_EP_SEMAPHORE_OFFSET 	0xac
+#define EP_SEMAPHORE_POST_STAGE_MASK	0x0000FFFF
+#define EP_SEMAPHORE_POST_ERR_MASK	0x1
+#define EP_SEMAPHORE_POST_ERR_SHIFT	31
+/* MPU semphore POST stage values */
+#define POST_STAGE_AWAITING_HOST_RDY 	0x1 /* FW awaiting goahead from host */
+#define POST_STAGE_HOST_RDY 		0x2 /* Host has given go-ahed to FW */
+#define POST_STAGE_BE_RESET		0x3 /* Host wants to reset chip */
+#define POST_STAGE_ARMFW_RDY		0xc000	/* FW is done with POST */
+
+/********* Memory BAR register ************/
+#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 	0xfc
+/* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
+ * Disable" may still globally block interrupts in addition to individual
+ * interrupt masks; a mechanism for the device driver to block all interrupts
+ * atomically without having to arbitrate for the PCI Interrupt Disable bit
+ * with the OS.
+ */
+#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK	(1 << 29) /* bit 29 */
+/* PCI physical function number */
+#define MEMBAR_CTRL_INT_CTRL_PFUNC_MASK  	0x7 	/* bits 26 - 28 */
+#define MEMBAR_CTRL_INT_CTRL_PFUNC_SHIFT	26
+
+/********* Event Q door bell *************/
+#define DB_EQ_OFFSET			DB_CQ_OFFSET
+#define DB_EQ_RING_ID_MASK		0x1FF	/* bits 0 - 8 */
+/* Clear the interrupt for this eq */
+#define DB_EQ_CLR_SHIFT			(9)	/* bit 9 */
+/* Must be 1 */
+#define DB_EQ_EVNT_SHIFT			(10)	/* bit 10 */
+/* Number of event entries processed */
+#define DB_EQ_NUM_POPPED_SHIFT		(16)	/* bits 16 - 28 */
+/* Rearm bit */
+#define DB_EQ_REARM_SHIFT		(29)	/* bit 29 */
+
+/********* Compl Q door bell *************/
+#define DB_CQ_OFFSET 			0x120
+#define DB_CQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
+/* Number of event entries processed */
+#define DB_CQ_NUM_POPPED_SHIFT		(16) 	/* bits 16 - 28 */
+/* Rearm bit */
+#define DB_CQ_REARM_SHIFT		(29) 	/* bit 29 */
+
+/********** TX ULP door bell *************/
+#define DB_TXULP1_OFFSET		0x60
+#define DB_TXULP_RING_ID_MASK		0x7FF	/* bits 0 - 10 */
+/* Number of tx entries posted */
+#define DB_TXULP_NUM_POSTED_SHIFT	(16)	/* bits 16 - 29 */
+#define DB_TXULP_NUM_POSTED_MASK	0x3FFF	/* bits 16 - 29 */
+
+/********** RQ(erx) door bell ************/
+#define DB_RQ_OFFSET 			0x100
+#define DB_RQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
+/* Number of rx frags posted */
+#define DB_RQ_NUM_POSTED_SHIFT		(24)	/* bits 24 - 31 */
+
+/*
+ * BE descriptors: host memory data structures whose formats
+ * are hardwired in BE silicon.
+ */
+/* Event Queue Descriptor */
+#define EQ_ENTRY_VALID_MASK 		0x1	/* bit 0 */
+#define EQ_ENTRY_RES_ID_MASK 		0xFFFF	/* bits 16 - 31 */
+#define EQ_ENTRY_RES_ID_SHIFT 		16
+struct be_eq_entry {
+	u32 evt;
+};
+
+/* TX Queue Descriptor */
+#define ETH_WRB_FRAG_LEN_MASK		0xFFFF
+struct be_eth_wrb {
+	u32 frag_pa_hi;		/* dword 0 */
+	u32 frag_pa_lo;		/* dword 1 */
+	u32 rsvd0;		/* dword 2 */
+	u32 frag_len;		/* dword 3: bits 0 - 15 */
+} __packed;
+
+/* Pseudo amap definition for eth_hdr_wrb in which each bit of the
+ * actual structure is defined as a byte : used to calculate
+ * offset/shift/mask of each field */
+struct amap_eth_hdr_wrb {
+	u8 rsvd0[32];		/* dword 0 */
+	u8 rsvd1[32];		/* dword 1 */
+	u8 complete;		/* dword 2 */
+	u8 event;
+	u8 crc;
+	u8 forward;
+	u8 ipsec;
+	u8 mgmt;
+	u8 ipcs;
+	u8 udpcs;
+	u8 tcpcs;
+	u8 lso;
+	u8 vlan;
+	u8 gso[2];
+	u8 num_wrb[5];
+	u8 lso_mss[14];
+	u8 len[16];		/* dword 3 */
+	u8 vlan_tag[16];
+} __packed;
+
+struct be_eth_hdr_wrb {
+	u32 dw[4];
+};
+
+/* TX Compl Queue Descriptor */
+
+/* Pseudo amap definition for eth_tx_compl in which each bit of the
+ * actual structure is defined as a byte: used to calculate
+ * offset/shift/mask of each field */
+struct amap_eth_tx_compl {
+	u8 wrb_index[16];	/* dword 0 */
+	u8 ct[2]; 		/* dword 0 */
+	u8 port[2];		/* dword 0 */
+	u8 rsvd0[8];		/* dword 0 */
+	u8 status[4];		/* dword 0 */
+	u8 user_bytes[16];	/* dword 1 */
+	u8 nwh_bytes[8];	/* dword 1 */
+	u8 lso;			/* dword 1 */
+	u8 cast_enc[2];		/* dword 1 */
+	u8 rsvd1[5];		/* dword 1 */
+	u8 rsvd2[32];		/* dword 2 */
+	u8 pkts[16];		/* dword 3 */
+	u8 ringid[11];		/* dword 3 */
+	u8 hash_val[4];		/* dword 3 */
+	u8 valid;		/* dword 3 */
+} __packed;
+
+struct be_eth_tx_compl {
+	u32 dw[4];
+};
+
+/* RX Queue Descriptor */
+struct be_eth_rx_d {
+	u32 fragpa_hi;
+	u32 fragpa_lo;
+};
+
+/* RX Compl Queue Descriptor */
+
+/* Pseudo amap definition for eth_rx_compl in which each bit of the
+ * actual structure is defined as a byte: used to calculate
+ * offset/shift/mask of each field */
+struct amap_eth_rx_compl {
+	u8 vlan_tag[16];	/* dword 0 */
+	u8 pktsize[14];		/* dword 0 */
+	u8 port;		/* dword 0 */
+	u8 ip_opt;		/* dword 0 */
+	u8 err;			/* dword 1 */
+	u8 rsshp;		/* dword 1 */
+	u8 ipf;			/* dword 1 */
+	u8 tcpf;		/* dword 1 */
+	u8 udpf;		/* dword 1 */
+	u8 ipcksm;		/* dword 1 */
+	u8 l4_cksm;		/* dword 1 */
+	u8 ip_version;		/* dword 1 */
+	u8 macdst[6];		/* dword 1 */
+	u8 vtp;			/* dword 1 */
+	u8 rsvd0;		/* dword 1 */
+	u8 fragndx[10];		/* dword 1 */
+	u8 ct[2];		/* dword 1 */
+	u8 sw;			/* dword 1 */
+	u8 numfrags[3];		/* dword 1 */
+	u8 rss_flush;		/* dword 2 */
+	u8 cast_enc[2];		/* dword 2 */
+	u8 qnq;			/* dword 2 */
+	u8 rss_bank;		/* dword 2 */
+	u8 rsvd1[23];		/* dword 2 */
+	u8 lro_pkt;		/* dword 2 */
+	u8 rsvd2[2];		/* dword 2 */
+	u8 valid;		/* dword 2 */
+	u8 rsshash[32];		/* dword 3 */
+} __packed;
+
+struct be_eth_rx_compl {
+	u32 dw[4];
+};

drivers/net/benet/be_main.c

@@ -0,0 +1,1903 @@
+/*
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+
+#include "be.h"
+
+MODULE_VERSION(DRV_VER);
+MODULE_DEVICE_TABLE(pci, be_dev_ids);
+MODULE_DESCRIPTION(DRV_DESC " " DRV_VER);
+MODULE_AUTHOR("ServerEngines Corporation");
+MODULE_LICENSE("GPL");
+
+static unsigned int rx_frag_size = 2048;
+module_param(rx_frag_size, uint, S_IRUGO);
+MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data.");
+
+#define BE_VENDOR_ID 		0x19a2
+#define BE2_DEVICE_ID_1 	0x0211
+static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = {
+	{ PCI_DEVICE(BE_VENDOR_ID, BE2_DEVICE_ID_1) },
+	{ 0 }
+};
+MODULE_DEVICE_TABLE(pci, be_dev_ids);
+
+static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q)
+{
+	struct be_dma_mem *mem = &q->dma_mem;
+	if (mem->va)
+		pci_free_consistent(adapter->pdev, mem->size,
+			mem->va, mem->dma);
+}
+
+static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q,
+		u16 len, u16 entry_size)
+{
+	struct be_dma_mem *mem = &q->dma_mem;
+
+	memset(q, 0, sizeof(*q));
+	q->len = len;
+	q->entry_size = entry_size;
+	mem->size = len * entry_size;
+	mem->va = pci_alloc_consistent(adapter->pdev, mem->size, &mem->dma);
+	if (!mem->va)
+		return -1;
+	memset(mem->va, 0, mem->size);
+	return 0;
+}
+
+static inline void *queue_head_node(struct be_queue_info *q)
+{
+	return q->dma_mem.va + q->head * q->entry_size;
+}
+
+static inline void *queue_tail_node(struct be_queue_info *q)
+{
+	return q->dma_mem.va + q->tail * q->entry_size;
+}
+
+static inline void queue_head_inc(struct be_queue_info *q)
+{
+	index_inc(&q->head, q->len);
+}
+
+static inline void queue_tail_inc(struct be_queue_info *q)
+{
+	index_inc(&q->tail, q->len);
+}
+
+static void be_intr_set(struct be_ctrl_info *ctrl, bool enable)
+{
+	u8 __iomem *addr = ctrl->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET;
+	u32 reg = ioread32(addr);
+	u32 enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK;
+	if (!enabled && enable) {
+		reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK;
+	} else if (enabled && !enable) {
+		reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK;
+	} else {
+		printk(KERN_WARNING DRV_NAME
+			": bad value in membar_int_ctrl reg=0x%x\n", reg);
+		return;
+	}
+	iowrite32(reg, addr);
+}
+
+static void be_rxq_notify(struct be_ctrl_info *ctrl, u16 qid, u16 posted)
+{
+	u32 val = 0;
+	val |= qid & DB_RQ_RING_ID_MASK;
+	val |= posted << DB_RQ_NUM_POSTED_SHIFT;
+	iowrite32(val, ctrl->db + DB_RQ_OFFSET);
+}
+
+static void be_txq_notify(struct be_ctrl_info *ctrl, u16 qid, u16 posted)
+{
+	u32 val = 0;
+	val |= qid & DB_TXULP_RING_ID_MASK;
+	val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT;
+	iowrite32(val, ctrl->db + DB_TXULP1_OFFSET);
+}
+
+static void be_eq_notify(struct be_ctrl_info *ctrl, u16 qid,
+		bool arm, bool clear_int, u16 num_popped)
+{
+	u32 val = 0;
+	val |= qid & DB_EQ_RING_ID_MASK;
+	if (arm)
+		val |= 1 << DB_EQ_REARM_SHIFT;
+	if (clear_int)
+		val |= 1 << DB_EQ_CLR_SHIFT;
+	val |= 1 << DB_EQ_EVNT_SHIFT;
+	val |= num_popped << DB_EQ_NUM_POPPED_SHIFT;
+	iowrite32(val, ctrl->db + DB_EQ_OFFSET);
+}
+
+static void be_cq_notify(struct be_ctrl_info *ctrl, u16 qid,
+		bool arm, u16 num_popped)
+{
+	u32 val = 0;
+	val |= qid & DB_CQ_RING_ID_MASK;
+	if (arm)
+		val |= 1 << DB_CQ_REARM_SHIFT;
+	val |= num_popped << DB_CQ_NUM_POPPED_SHIFT;
+	iowrite32(val, ctrl->db + DB_CQ_OFFSET);
+}
+
+
+static int be_mac_addr_set(struct net_device *netdev, void *p)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct sockaddr *addr = p;
+	int status = 0;
+
+	if (netif_running(netdev)) {
+		status = be_cmd_pmac_del(&adapter->ctrl, adapter->if_handle,
+				adapter->pmac_id);
+		if (status)
+			return status;
+
+		status = be_cmd_pmac_add(&adapter->ctrl, (u8 *)addr->sa_data,
+				adapter->if_handle, &adapter->pmac_id);
+	}
+
+	if (!status)
+		memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+
+	return status;
+}
+
+static void netdev_stats_update(struct be_adapter *adapter)
+{
+	struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va);
+	struct be_rxf_stats *rxf_stats = &hw_stats->rxf;
+	struct be_port_rxf_stats *port_stats =
+			&rxf_stats->port[adapter->port_num];
+	struct net_device_stats *dev_stats = &adapter->stats.net_stats;
+
+	dev_stats->rx_packets = port_stats->rx_total_frames;
+	dev_stats->tx_packets = port_stats->tx_unicastframes +
+		port_stats->tx_multicastframes + port_stats->tx_broadcastframes;
+	dev_stats->rx_bytes = (u64) port_stats->rx_bytes_msd << 32 |
+				(u64) port_stats->rx_bytes_lsd;
+	dev_stats->tx_bytes = (u64) port_stats->tx_bytes_msd << 32 |
+				(u64) port_stats->tx_bytes_lsd;
+
+	/* bad pkts received */
+	dev_stats->rx_errors = port_stats->rx_crc_errors +
+		port_stats->rx_alignment_symbol_errors +
+		port_stats->rx_in_range_errors +
+		port_stats->rx_out_range_errors + port_stats->rx_frame_too_long;
+
+	/*  packet transmit problems */
+	dev_stats->tx_errors = 0;
+
+	/*  no space in linux buffers */
+	dev_stats->rx_dropped = 0;
+
+	/* no space available in linux */
+	dev_stats->tx_dropped = 0;
+
+	dev_stats->multicast = port_stats->tx_multicastframes;
+	dev_stats->collisions = 0;
+
+	/* detailed rx errors */
+	dev_stats->rx_length_errors = port_stats->rx_in_range_errors +
+		port_stats->rx_out_range_errors + port_stats->rx_frame_too_long;
+	/* receive ring buffer overflow */
+	dev_stats->rx_over_errors = 0;
+	dev_stats->rx_crc_errors = port_stats->rx_crc_errors;
+
+	/* frame alignment errors */
+	dev_stats->rx_frame_errors = port_stats->rx_alignment_symbol_errors;
+	/* receiver fifo overrun */
+	/* drops_no_pbuf is no per i/f, it's per BE card */
+	dev_stats->rx_fifo_errors = port_stats->rx_fifo_overflow +
+					port_stats->rx_input_fifo_overflow +
+					rxf_stats->rx_drops_no_pbuf;
+	/* receiver missed packetd */
+	dev_stats->rx_missed_errors = 0;
+	/* detailed tx_errors */
+	dev_stats->tx_aborted_errors = 0;
+	dev_stats->tx_carrier_errors = 0;
+	dev_stats->tx_fifo_errors = 0;
+	dev_stats->tx_heartbeat_errors = 0;
+	dev_stats->tx_window_errors = 0;
+}
+
+static void be_link_status_update(struct be_adapter *adapter)
+{
+	struct be_link_info *prev = &adapter->link;
+	struct be_link_info now = { 0 };
+	struct net_device *netdev = adapter->netdev;
+
+	be_cmd_link_status_query(&adapter->ctrl, &now);
+
+	/* If link came up or went down */
+	if (now.speed != prev->speed && (now.speed == PHY_LINK_SPEED_ZERO ||
+			prev->speed == PHY_LINK_SPEED_ZERO)) {
+		if (now.speed == PHY_LINK_SPEED_ZERO) {
+			netif_stop_queue(netdev);
+			netif_carrier_off(netdev);
+			printk(KERN_INFO "%s: Link down\n", netdev->name);
+		} else {
+			netif_start_queue(netdev);
+			netif_carrier_on(netdev);
+			printk(KERN_INFO "%s: Link up\n", netdev->name);
+		}
+	}
+	*prev = now;
+}
+
+/* Update the EQ delay n BE based on the RX frags consumed / sec */
+static void be_rx_eqd_update(struct be_adapter *adapter)
+{
+	u32 eqd;
+	struct be_ctrl_info *ctrl = &adapter->ctrl;
+	struct be_eq_obj *rx_eq = &adapter->rx_eq;
+	struct be_drvr_stats *stats = &adapter->stats.drvr_stats;
+
+	/* Update once a second */
+	if (((jiffies - stats->rx_fps_jiffies) < HZ) || rx_eq->enable_aic == 0)
+		return;
+
+	stats->be_rx_fps = (stats->be_rx_frags - stats->be_prev_rx_frags) /
+			((jiffies - stats->rx_fps_jiffies) / HZ);
+
+	stats->rx_fps_jiffies = jiffies;
+	stats->be_prev_rx_frags = stats->be_rx_frags;
+	eqd = stats->be_rx_fps / 110000;
+	eqd = eqd << 3;
+	if (eqd > rx_eq->max_eqd)
+		eqd = rx_eq->max_eqd;
+	if (eqd < rx_eq->min_eqd)
+		eqd = rx_eq->min_eqd;
+	if (eqd < 10)
+		eqd = 0;
+	if (eqd != rx_eq->cur_eqd)
+		be_cmd_modify_eqd(ctrl, rx_eq->q.id, eqd);
+
+	rx_eq->cur_eqd = eqd;
+}
+
+static void be_worker(struct work_struct *work)
+{
+	struct be_adapter *adapter =
+		container_of(work, struct be_adapter, work.work);
+	int status;
+
+	/* Check link */
+	be_link_status_update(adapter);
+
+	/* Get Stats */
+	status = be_cmd_get_stats(&adapter->ctrl, &adapter->stats.cmd);
+	if (!status)
+		netdev_stats_update(adapter);
+
+	/* Set EQ delay */
+	be_rx_eqd_update(adapter);
+
+	schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000));
+}
+
+static struct net_device_stats *be_get_stats(struct net_device *dev)
+{
+	struct be_adapter *adapter = netdev_priv(dev);
+
+	return &adapter->stats.net_stats;
+}
+
+static void be_tx_stats_update(struct be_adapter *adapter,
+			u32 wrb_cnt, u32 copied, bool stopped)
+{
+	struct be_drvr_stats *stats = &adapter->stats.drvr_stats;
+	stats->be_tx_reqs++;
+	stats->be_tx_wrbs += wrb_cnt;
+	stats->be_tx_bytes += copied;
+	if (stopped)
+		stats->be_tx_stops++;
+
+	/* Update tx rate once in two seconds */
+	if ((jiffies - stats->be_tx_jiffies) > 2 * HZ) {
+		u32 r;
+		r = (stats->be_tx_bytes - stats->be_tx_bytes_prev) /
+			((u32) (jiffies - stats->be_tx_jiffies) / HZ);
+		r = (r / 1000000);			/* M bytes/s */
+		stats->be_tx_rate = (r * 8);	/* M bits/s */
+		stats->be_tx_jiffies = jiffies;
+		stats->be_tx_bytes_prev = stats->be_tx_bytes;
+	}
+}
+
+/* Determine number of WRB entries needed to xmit data in an skb */
+static u32 wrb_cnt_for_skb(struct sk_buff *skb, bool *dummy)
+{
+	int cnt = 0;
+	while (skb) {
+		if (skb->len > skb->data_len)
+			cnt++;
+		cnt += skb_shinfo(skb)->nr_frags;
+		skb = skb_shinfo(skb)->frag_list;
+	}
+	/* to account for hdr wrb */
+	cnt++;
+	if (cnt & 1) {
+		/* add a dummy to make it an even num */
+		cnt++;
+		*dummy = true;
+	} else
+		*dummy = false;
+	BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT);
+	return cnt;
+}
+
+static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len)
+{
+	wrb->frag_pa_hi = upper_32_bits(addr);
+	wrb->frag_pa_lo = addr & 0xFFFFFFFF;
+	wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK;
+}
+
+static void wrb_fill_hdr(struct be_eth_hdr_wrb *hdr, struct sk_buff *skb,
+		bool vlan, u32 wrb_cnt, u32 len)
+{
+	memset(hdr, 0, sizeof(*hdr));
+
+	AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1);
+
+	if (skb_shinfo(skb)->gso_segs > 1 && skb_shinfo(skb)->gso_size) {
+		AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1);
+		AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss,
+			hdr, skb_shinfo(skb)->gso_size);
+	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+		if (is_tcp_pkt(skb))
+			AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1);
+		else if (is_udp_pkt(skb))
+			AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1);
+	}
+
+	if (vlan && vlan_tx_tag_present(skb)) {
+		AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1);
+		AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag,
+			hdr, vlan_tx_tag_get(skb));
+	}
+
+	AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1);
+	AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1);
+	AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt);
+	AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len);
+}
+
+
+static int make_tx_wrbs(struct be_adapter *adapter,
+		struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb)
+{
+	u64 busaddr;
+	u32 i, copied = 0;
+	struct pci_dev *pdev = adapter->pdev;
+	struct sk_buff *first_skb = skb;
+	struct be_queue_info *txq = &adapter->tx_obj.q;
+	struct be_eth_wrb *wrb;
+	struct be_eth_hdr_wrb *hdr;
+
+	atomic_add(wrb_cnt, &txq->used);
+	hdr = queue_head_node(txq);
+	queue_head_inc(txq);
+
+	while (skb) {
+		if (skb->len > skb->data_len) {
+			int len = skb->len - skb->data_len;
+			busaddr = pci_map_single(pdev, skb->data, len,
+					PCI_DMA_TODEVICE);
+			wrb = queue_head_node(txq);
+			wrb_fill(wrb, busaddr, len);
+			be_dws_cpu_to_le(wrb, sizeof(*wrb));
+			queue_head_inc(txq);
+			copied += len;
+		}
+
+		for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+			struct skb_frag_struct *frag =
+				&skb_shinfo(skb)->frags[i];
+			busaddr = pci_map_page(pdev, frag->page,
+					frag->page_offset,
+					frag->size, PCI_DMA_TODEVICE);
+			wrb = queue_head_node(txq);
+			wrb_fill(wrb, busaddr, frag->size);
+			be_dws_cpu_to_le(wrb, sizeof(*wrb));
+			queue_head_inc(txq);
+			copied += frag->size;
+		}
+		skb = skb_shinfo(skb)->frag_list;
+	}
+
+	if (dummy_wrb) {
+		wrb = queue_head_node(txq);
+		wrb_fill(wrb, 0, 0);
+		be_dws_cpu_to_le(wrb, sizeof(*wrb));
+		queue_head_inc(txq);
+	}
+
+	wrb_fill_hdr(hdr, first_skb, adapter->vlan_grp ? true : false,
+		wrb_cnt, copied);
+	be_dws_cpu_to_le(hdr, sizeof(*hdr));
+
+	return copied;
+}
+
+static int be_xmit(struct sk_buff *skb, struct net_device *netdev)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct be_tx_obj *tx_obj = &adapter->tx_obj;
+	struct be_queue_info *txq = &tx_obj->q;
+	u32 wrb_cnt = 0, copied = 0;
+	u32 start = txq->head;
+	bool dummy_wrb, stopped = false;
+
+	wrb_cnt = wrb_cnt_for_skb(skb, &dummy_wrb);
+
+	copied = make_tx_wrbs(adapter, skb, wrb_cnt, dummy_wrb);
+
+	/* record the sent skb in the sent_skb table */
+	BUG_ON(tx_obj->sent_skb_list[start]);
+	tx_obj->sent_skb_list[start] = skb;
+
+	/* Ensure that txq has space for the next skb; Else stop the queue
+	 * *BEFORE* ringing the tx doorbell, so that we serialze the
+	 * tx compls of the current transmit which'll wake up the queue
+	 */
+	if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= txq->len) {
+		netif_stop_queue(netdev);
+		stopped = true;
+	}
+
+	be_txq_notify(&adapter->ctrl, txq->id, wrb_cnt);
+
+	netdev->trans_start = jiffies;
+
+	be_tx_stats_update(adapter, wrb_cnt, copied, stopped);
+	return NETDEV_TX_OK;
+}
+
+static int be_change_mtu(struct net_device *netdev, int new_mtu)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	if (new_mtu < BE_MIN_MTU ||
+			new_mtu > BE_MAX_JUMBO_FRAME_SIZE) {
+		dev_info(&adapter->pdev->dev,
+			"MTU must be between %d and %d bytes\n",
+			BE_MIN_MTU, BE_MAX_JUMBO_FRAME_SIZE);
+		return -EINVAL;
+	}
+	dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n",
+			netdev->mtu, new_mtu);
+	netdev->mtu = new_mtu;
+	return 0;
+}
+
+/*
+ * if there are BE_NUM_VLANS_SUPPORTED or lesser number of VLANS configured,
+ * program them in BE.  If more than BE_NUM_VLANS_SUPPORTED are configured,
+ * set the BE in promiscuous VLAN mode.
+ */
+static void be_vids_config(struct net_device *netdev)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	u16 vtag[BE_NUM_VLANS_SUPPORTED];
+	u16 ntags = 0, i;
+
+	if (adapter->num_vlans <= BE_NUM_VLANS_SUPPORTED)  {
+		/* Construct VLAN Table to give to HW */
+		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+			if (adapter->vlan_tag[i]) {
+				vtag[ntags] = cpu_to_le16(i);
+				ntags++;
+			}
+		}
+		be_cmd_vlan_config(&adapter->ctrl, adapter->if_handle,
+			vtag, ntags, 1, 0);
+	} else {
+		be_cmd_vlan_config(&adapter->ctrl, adapter->if_handle,
+			NULL, 0, 1, 1);
+	}
+}
+
+static void be_vlan_register(struct net_device *netdev, struct vlan_group *grp)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct be_eq_obj *rx_eq = &adapter->rx_eq;
+	struct be_eq_obj *tx_eq = &adapter->tx_eq;
+	struct be_ctrl_info *ctrl = &adapter->ctrl;
+
+	be_eq_notify(ctrl, rx_eq->q.id, false, false, 0);
+	be_eq_notify(ctrl, tx_eq->q.id, false, false, 0);
+	adapter->vlan_grp = grp;
+	be_eq_notify(ctrl, rx_eq->q.id, true, false, 0);
+	be_eq_notify(ctrl, tx_eq->q.id, true, false, 0);
+}
+
+static void be_vlan_add_vid(struct net_device *netdev, u16 vid)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	adapter->num_vlans++;
+	adapter->vlan_tag[vid] = 1;
+
+	be_vids_config(netdev);
+}
+
+static void be_vlan_rem_vid(struct net_device *netdev, u16 vid)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	adapter->num_vlans--;
+	adapter->vlan_tag[vid] = 0;
+
+	vlan_group_set_device(adapter->vlan_grp, vid, NULL);
+	be_vids_config(netdev);
+}
+
+static void be_set_multicast_filter(struct net_device *netdev)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct dev_mc_list *mc_ptr;
+	u8 mac_addr[32][ETH_ALEN];
+	int i = 0;
+
+	if (netdev->flags & IFF_ALLMULTI) {
+		/* set BE in Multicast promiscuous */
+		be_cmd_mcast_mac_set(&adapter->ctrl,
+					adapter->if_handle, NULL, 0, true);
+		return;
+	}
+
+	for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) {
+		memcpy(&mac_addr[i][0], mc_ptr->dmi_addr, ETH_ALEN);
+		if (++i >= 32) {
+			be_cmd_mcast_mac_set(&adapter->ctrl,
+				adapter->if_handle, &mac_addr[0][0], i, false);
+			i = 0;
+		}
+
+	}
+
+	if (i) {
+		/* reset the promiscuous mode also. */
+		be_cmd_mcast_mac_set(&adapter->ctrl,
+			adapter->if_handle, &mac_addr[0][0], i, false);
+	}
+}
+
+static void be_set_multicast_list(struct net_device *netdev)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	if (netdev->flags & IFF_PROMISC) {
+		be_cmd_promiscuous_config(&adapter->ctrl, adapter->port_num, 1);
+	} else {
+		be_cmd_promiscuous_config(&adapter->ctrl, adapter->port_num, 0);
+		be_set_multicast_filter(netdev);
+	}
+}
+
+static void be_rx_rate_update(struct be_adapter *adapter, u32 pktsize,
+			u16 numfrags)
+{
+	struct be_drvr_stats *stats = &adapter->stats.drvr_stats;
+	u32 rate;
+
+	stats->be_rx_compl++;
+	stats->be_rx_frags += numfrags;
+	stats->be_rx_bytes += pktsize;
+
+	/* Update the rate once in two seconds */
+	if ((jiffies - stats->be_rx_jiffies) < 2 * HZ)
+		return;
+
+	rate = (stats->be_rx_bytes - stats->be_rx_bytes_prev) /
+		((u32) (jiffies - stats->be_rx_jiffies) / HZ);
+	rate = (rate / 1000000);	/* MB/Sec */
+	stats->be_rx_rate = (rate * 8); 	/* Mega Bits/Sec */
+	stats->be_rx_jiffies = jiffies;
+	stats->be_rx_bytes_prev = stats->be_rx_bytes;
+}
+
+static struct be_rx_page_info *
+get_rx_page_info(struct be_adapter *adapter, u16 frag_idx)
+{
+	struct be_rx_page_info *rx_page_info;
+	struct be_queue_info *rxq = &adapter->rx_obj.q;
+
+	rx_page_info = &adapter->rx_obj.page_info_tbl[frag_idx];
+	BUG_ON(!rx_page_info->page);
+
+	if (rx_page_info->last_page_user)
+		pci_unmap_page(adapter->pdev, pci_unmap_addr(rx_page_info, bus),
+			adapter->big_page_size, PCI_DMA_FROMDEVICE);
+
+	atomic_dec(&rxq->used);
+	return rx_page_info;
+}
+
+/* Throwaway the data in the Rx completion */
+static void be_rx_compl_discard(struct be_adapter *adapter,
+			struct be_eth_rx_compl *rxcp)
+{
+	struct be_queue_info *rxq = &adapter->rx_obj.q;
+	struct be_rx_page_info *page_info;
+	u16 rxq_idx, i, num_rcvd;
+
+	rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp);
+	num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp);
+
+	for (i = 0; i < num_rcvd; i++) {
+		page_info = get_rx_page_info(adapter, rxq_idx);
+		put_page(page_info->page);
+		memset(page_info, 0, sizeof(*page_info));
+		index_inc(&rxq_idx, rxq->len);
+	}
+}
+
+/*
+ * skb_fill_rx_data forms a complete skb for an ether frame
+ * indicated by rxcp.
+ */
+static void skb_fill_rx_data(struct be_adapter *adapter,
+			struct sk_buff *skb, struct be_eth_rx_compl *rxcp)
+{
+	struct be_queue_info *rxq = &adapter->rx_obj.q;
+	struct be_rx_page_info *page_info;
+	u16 rxq_idx, i, num_rcvd;
+	u32 pktsize, hdr_len, curr_frag_len;
+	u8 *start;
+
+	rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp);
+	pktsize = AMAP_GET_BITS(struct amap_eth_rx_compl, pktsize, rxcp);
+	num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp);
+
+	page_info = get_rx_page_info(adapter, rxq_idx);
+
+	start = page_address(page_info->page) + page_info->page_offset;
+	prefetch(start);
+
+	/* Copy data in the first descriptor of this completion */
+	curr_frag_len = min(pktsize, rx_frag_size);
+
+	/* Copy the header portion into skb_data */
+	hdr_len = min((u32)BE_HDR_LEN, curr_frag_len);
+	memcpy(skb->data, start, hdr_len);
+	skb->len = curr_frag_len;
+	if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */
+		/* Complete packet has now been moved to data */
+		put_page(page_info->page);
+		skb->data_len = 0;
+		skb->tail += curr_frag_len;
+	} else {
+		skb_shinfo(skb)->nr_frags = 1;
+		skb_shinfo(skb)->frags[0].page = page_info->page;
+		skb_shinfo(skb)->frags[0].page_offset =
+					page_info->page_offset + hdr_len;
+		skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len;
+		skb->data_len = curr_frag_len - hdr_len;
+		skb->tail += hdr_len;
+	}
+	memset(page_info, 0, sizeof(*page_info));
+
+	if (pktsize <= rx_frag_size) {
+		BUG_ON(num_rcvd != 1);
+		return;
+	}
+
+	/* More frags present for this completion */
+	pktsize -= curr_frag_len; /* account for above copied frag */
+	for (i = 1; i < num_rcvd; i++) {
+		index_inc(&rxq_idx, rxq->len);
+		page_info = get_rx_page_info(adapter, rxq_idx);
+
+		curr_frag_len = min(pktsize, rx_frag_size);
+
+		skb_shinfo(skb)->frags[i].page = page_info->page;
+		skb_shinfo(skb)->frags[i].page_offset = page_info->page_offset;
+		skb_shinfo(skb)->frags[i].size = curr_frag_len;
+		skb->len += curr_frag_len;
+		skb->data_len += curr_frag_len;
+		skb_shinfo(skb)->nr_frags++;
+		pktsize -= curr_frag_len;
+
+		memset(page_info, 0, sizeof(*page_info));
+	}
+
+	be_rx_rate_update(adapter, pktsize, num_rcvd);
+	return;
+}
+
+/* Process the RX completion indicated by rxcp when LRO is disabled */
+static void be_rx_compl_process(struct be_adapter *adapter,
+			struct be_eth_rx_compl *rxcp)
+{
+	struct sk_buff *skb;
+	u32 vtp, vid;
+	int l4_cksm;
+
+	l4_cksm = AMAP_GET_BITS(struct amap_eth_rx_compl, l4_cksm, rxcp);
+	vtp = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp);
+
+	skb = netdev_alloc_skb(adapter->netdev, BE_HDR_LEN + NET_IP_ALIGN);
+	if (!skb) {
+		if (net_ratelimit())
+			dev_warn(&adapter->pdev->dev, "skb alloc failed\n");
+		be_rx_compl_discard(adapter, rxcp);
+		return;
+	}
+
+	skb_reserve(skb, NET_IP_ALIGN);
+
+	skb_fill_rx_data(adapter, skb, rxcp);
+
+	if (l4_cksm && adapter->rx_csum)
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
+	else
+		skb->ip_summed = CHECKSUM_NONE;
+
+	skb->truesize = skb->len + sizeof(struct sk_buff);
+	skb->protocol = eth_type_trans(skb, adapter->netdev);
+	skb->dev = adapter->netdev;
+
+	if (vtp) {
+		if (!adapter->vlan_grp || adapter->num_vlans == 0) {
+			kfree_skb(skb);
+			return;
+		}
+		vid = AMAP_GET_BITS(struct amap_eth_rx_compl, vlan_tag, rxcp);
+		vid = be16_to_cpu(vid);
+		vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, vid);
+	} else {
+		netif_receive_skb(skb);
+	}
+
+	adapter->netdev->last_rx = jiffies;
+
+	return;
+}
+
+/* Process the RX completion indicated by rxcp when LRO is enabled */
+static void be_rx_compl_process_lro(struct be_adapter *adapter,
+			struct be_eth_rx_compl *rxcp)
+{
+	struct be_rx_page_info *page_info;
+	struct skb_frag_struct rx_frags[BE_MAX_FRAGS_PER_FRAME];
+	struct be_queue_info *rxq = &adapter->rx_obj.q;
+	u32 num_rcvd, pkt_size, remaining, vlanf, curr_frag_len;
+	u16 i, rxq_idx = 0, vid;
+
+	num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp);
+	pkt_size = AMAP_GET_BITS(struct amap_eth_rx_compl, pktsize, rxcp);
+	vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp);
+	rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp);
+
+	remaining = pkt_size;
+	for (i = 0; i < num_rcvd; i++) {
+		page_info = get_rx_page_info(adapter, rxq_idx);
+
+		curr_frag_len = min(remaining, rx_frag_size);
+
+		rx_frags[i].page = page_info->page;
+		rx_frags[i].page_offset = page_info->page_offset;
+		rx_frags[i].size = curr_frag_len;
+		remaining -= curr_frag_len;
+
+		index_inc(&rxq_idx, rxq->len);
+
+		memset(page_info, 0, sizeof(*page_info));
+	}
+
+	if (likely(!vlanf)) {
+		lro_receive_frags(&adapter->rx_obj.lro_mgr, rx_frags, pkt_size,
+				pkt_size, NULL, 0);
+	} else {
+		vid = AMAP_GET_BITS(struct amap_eth_rx_compl, vlan_tag, rxcp);
+		vid = be16_to_cpu(vid);
+
+		if (!adapter->vlan_grp || adapter->num_vlans == 0)
+			return;
+
+		lro_vlan_hwaccel_receive_frags(&adapter->rx_obj.lro_mgr,
+			rx_frags, pkt_size, pkt_size, adapter->vlan_grp,
+			vid, NULL, 0);
+	}
+
+	be_rx_rate_update(adapter, pkt_size, num_rcvd);
+	return;
+}
+
+static struct be_eth_rx_compl *be_rx_compl_get(struct be_adapter *adapter)
+{
+	struct be_eth_rx_compl *rxcp = queue_tail_node(&adapter->rx_obj.cq);
+
+	if (rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] == 0)
+		return NULL;
+
+	be_dws_le_to_cpu(rxcp, sizeof(*rxcp));
+
+	rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] = 0;
+
+	queue_tail_inc(&adapter->rx_obj.cq);
+	return rxcp;
+}
+
+static inline struct page *be_alloc_pages(u32 size)
+{
+	gfp_t alloc_flags = GFP_ATOMIC;
+	u32 order = get_order(size);
+	if (order > 0)
+		alloc_flags |= __GFP_COMP;
+	return  alloc_pages(alloc_flags, order);
+}
+
+/*
+ * Allocate a page, split it to fragments of size rx_frag_size and post as
+ * receive buffers to BE
+ */
+static void be_post_rx_frags(struct be_adapter *adapter)
+{
+	struct be_rx_page_info *page_info_tbl = adapter->rx_obj.page_info_tbl;
+	struct be_rx_page_info *page_info = NULL;
+	struct be_queue_info *rxq = &adapter->rx_obj.q;
+	struct page *pagep = NULL;
+	struct be_eth_rx_d *rxd;
+	u64 page_dmaaddr = 0, frag_dmaaddr;
+	u32 posted, page_offset = 0;
+
+
+	page_info = &page_info_tbl[rxq->head];
+	for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) {
+		if (!pagep) {
+			pagep = be_alloc_pages(adapter->big_page_size);
+			if (unlikely(!pagep)) {
+				drvr_stats(adapter)->be_ethrx_post_fail++;
+				break;
+			}
+			page_dmaaddr = pci_map_page(adapter->pdev, pagep, 0,
+						adapter->big_page_size,
+						PCI_DMA_FROMDEVICE);
+			page_info->page_offset = 0;
+		} else {
+			get_page(pagep);
+			page_info->page_offset = page_offset + rx_frag_size;
+		}
+		page_offset = page_info->page_offset;
+		page_info->page = pagep;
+		pci_unmap_addr_set(page_info, bus, page_dmaaddr);
+		frag_dmaaddr = page_dmaaddr + page_info->page_offset;
+
+		rxd = queue_head_node(rxq);
+		rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF);
+		rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr));
+		queue_head_inc(rxq);
+
+		/* Any space left in the current big page for another frag? */
+		if ((page_offset + rx_frag_size + rx_frag_size) >
+					adapter->big_page_size) {
+			pagep = NULL;
+			page_info->last_page_user = true;
+		}
+		page_info = &page_info_tbl[rxq->head];
+	}
+	if (pagep)
+		page_info->last_page_user = true;
+
+	if (posted) {
+		be_rxq_notify(&adapter->ctrl, rxq->id, posted);
+		atomic_add(posted, &rxq->used);
+	}
+
+	return;
+}
+
+static struct be_eth_tx_compl *
+be_tx_compl_get(struct be_adapter *adapter)
+{
+	struct be_queue_info *tx_cq = &adapter->tx_obj.cq;
+	struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq);
+
+	if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0)
+		return NULL;
+
+	be_dws_le_to_cpu(txcp, sizeof(*txcp));
+
+	txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0;
+
+	queue_tail_inc(tx_cq);
+	return txcp;
+}
+
+static void be_tx_compl_process(struct be_adapter *adapter, u16 last_index)
+{
+	struct be_queue_info *txq = &adapter->tx_obj.q;
+	struct be_eth_wrb *wrb;
+	struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list;
+	struct sk_buff *sent_skb;
+	u64 busaddr;
+	u16 cur_index, num_wrbs = 0;
+
+	cur_index = txq->tail;
+	sent_skb = sent_skbs[cur_index];
+	BUG_ON(!sent_skb);
+	sent_skbs[cur_index] = NULL;
+
+	do {
+		cur_index = txq->tail;
+		wrb = queue_tail_node(txq);
+		be_dws_le_to_cpu(wrb, sizeof(*wrb));
+		busaddr = ((u64)wrb->frag_pa_hi << 32) | (u64)wrb->frag_pa_lo;
+		if (busaddr != 0) {
+			pci_unmap_single(adapter->pdev, busaddr,
+				wrb->frag_len, PCI_DMA_TODEVICE);
+		}
+		num_wrbs++;
+		queue_tail_inc(txq);
+	} while (cur_index != last_index);
+
+	atomic_sub(num_wrbs, &txq->used);
+
+	kfree_skb(sent_skb);
+}
+
+static void be_rx_q_clean(struct be_adapter *adapter)
+{
+	struct be_rx_page_info *page_info;
+	struct be_queue_info *rxq = &adapter->rx_obj.q;
+	struct be_queue_info *rx_cq = &adapter->rx_obj.cq;
+	struct be_eth_rx_compl *rxcp;
+	u16 tail;
+
+	/* First cleanup pending rx completions */
+	while ((rxcp = be_rx_compl_get(adapter)) != NULL) {
+		be_rx_compl_discard(adapter, rxcp);
+		be_cq_notify(&adapter->ctrl, rx_cq->id, true, 1);
+	}
+
+	/* Then free posted rx buffer that were not used */
+	tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len;
+	for (; tail != rxq->head; index_inc(&tail, rxq->len)) {
+		page_info = get_rx_page_info(adapter, tail);
+		put_page(page_info->page);
+		memset(page_info, 0, sizeof(*page_info));
+	}
+	BUG_ON(atomic_read(&rxq->used));
+}
+
+static void be_tx_q_clean(struct be_adapter *adapter)
+{
+	struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list;
+	struct sk_buff *sent_skb;
+	struct be_queue_info *txq = &adapter->tx_obj.q;
+	u16 last_index;
+	bool dummy_wrb;
+
+	while (atomic_read(&txq->used)) {
+		sent_skb = sent_skbs[txq->tail];
+		last_index = txq->tail;
+		index_adv(&last_index,
+			wrb_cnt_for_skb(sent_skb, &dummy_wrb) - 1, txq->len);
+		be_tx_compl_process(adapter, last_index);
+	}
+}
+
+static void be_tx_queues_destroy(struct be_adapter *adapter)
+{
+	struct be_queue_info *q;
+
+	q = &adapter->tx_obj.q;
+	if (q->created)
+		be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_TXQ);
+	be_queue_free(adapter, q);
+
+	q = &adapter->tx_obj.cq;
+	if (q->created)
+		be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_CQ);
+	be_queue_free(adapter, q);
+
+	/* No more tx completions can be rcvd now; clean up if there are
+	 * any pending completions or pending tx requests */
+	be_tx_q_clean(adapter);
+
+	q = &adapter->tx_eq.q;
+	if (q->created)
+		be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_EQ);
+	be_queue_free(adapter, q);
+}
+
+static int be_tx_queues_create(struct be_adapter *adapter)
+{
+	struct be_queue_info *eq, *q, *cq;
+
+	adapter->tx_eq.max_eqd = 0;
+	adapter->tx_eq.min_eqd = 0;
+	adapter->tx_eq.cur_eqd = 96;
+	adapter->tx_eq.enable_aic = false;
+	/* Alloc Tx Event queue */
+	eq = &adapter->tx_eq.q;
+	if (be_queue_alloc(adapter, eq, EVNT_Q_LEN, sizeof(struct be_eq_entry)))
+		return -1;
+
+	/* Ask BE to create Tx Event queue */
+	if (be_cmd_eq_create(&adapter->ctrl, eq, adapter->tx_eq.cur_eqd))
+		goto tx_eq_free;
+	/* Alloc TX eth compl queue */
+	cq = &adapter->tx_obj.cq;
+	if (be_queue_alloc(adapter, cq, TX_CQ_LEN,
+			sizeof(struct be_eth_tx_compl)))
+		goto tx_eq_destroy;
+
+	/* Ask BE to create Tx eth compl queue */
+	if (be_cmd_cq_create(&adapter->ctrl, cq, eq, false, false, 3))
+		goto tx_cq_free;
+
+	/* Alloc TX eth queue */
+	q = &adapter->tx_obj.q;
+	if (be_queue_alloc(adapter, q, TX_Q_LEN, sizeof(struct be_eth_wrb)))
+		goto tx_cq_destroy;
+
+	/* Ask BE to create Tx eth queue */
+	if (be_cmd_txq_create(&adapter->ctrl, q, cq))
+		goto tx_q_free;
+	return 0;
+
+tx_q_free:
+	be_queue_free(adapter, q);
+tx_cq_destroy:
+	be_cmd_q_destroy(&adapter->ctrl, cq, QTYPE_CQ);
+tx_cq_free:
+	be_queue_free(adapter, cq);
+tx_eq_destroy:
+	be_cmd_q_destroy(&adapter->ctrl, eq, QTYPE_EQ);
+tx_eq_free:
+	be_queue_free(adapter, eq);
+	return -1;
+}
+
+static void be_rx_queues_destroy(struct be_adapter *adapter)
+{
+	struct be_queue_info *q;
+
+	q = &adapter->rx_obj.q;
+	if (q->created) {
+		be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_RXQ);
+		be_rx_q_clean(adapter);
+	}
+	be_queue_free(adapter, q);
+
+	q = &adapter->rx_obj.cq;
+	if (q->created)
+		be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_CQ);
+	be_queue_free(adapter, q);
+
+	q = &adapter->rx_eq.q;
+	if (q->created)
+		be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_EQ);
+	be_queue_free(adapter, q);
+}
+
+static int be_rx_queues_create(struct be_adapter *adapter)
+{
+	struct be_queue_info *eq, *q, *cq;
+	int rc;
+
+	adapter->max_rx_coal = BE_MAX_FRAGS_PER_FRAME;
+	adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE;
+	adapter->rx_eq.max_eqd = BE_MAX_EQD;
+	adapter->rx_eq.min_eqd = 0;
+	adapter->rx_eq.cur_eqd = 0;
+	adapter->rx_eq.enable_aic = true;
+
+	/* Alloc Rx Event queue */
+	eq = &adapter->rx_eq.q;
+	rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN,
+				sizeof(struct be_eq_entry));
+	if (rc)
+		return rc;
+
+	/* Ask BE to create Rx Event queue */
+	rc = be_cmd_eq_create(&adapter->ctrl, eq, adapter->rx_eq.cur_eqd);
+	if (rc)
+		goto rx_eq_free;
+
+	/* Alloc RX eth compl queue */
+	cq = &adapter->rx_obj.cq;
+	rc = be_queue_alloc(adapter, cq, RX_CQ_LEN,
+			sizeof(struct be_eth_rx_compl));
+	if (rc)
+		goto rx_eq_destroy;
+
+	/* Ask BE to create Rx eth compl queue */
+	rc = be_cmd_cq_create(&adapter->ctrl, cq, eq, false, false, 3);
+	if (rc)
+		goto rx_cq_free;
+
+	/* Alloc RX eth queue */
+	q = &adapter->rx_obj.q;
+	rc = be_queue_alloc(adapter, q, RX_Q_LEN, sizeof(struct be_eth_rx_d));
+	if (rc)
+		goto rx_cq_destroy;
+
+	/* Ask BE to create Rx eth queue */
+	rc = be_cmd_rxq_create(&adapter->ctrl, q, cq->id, rx_frag_size,
+		BE_MAX_JUMBO_FRAME_SIZE, adapter->if_handle, false);
+	if (rc)
+		goto rx_q_free;
+
+	return 0;
+rx_q_free:
+	be_queue_free(adapter, q);
+rx_cq_destroy:
+	be_cmd_q_destroy(&adapter->ctrl, cq, QTYPE_CQ);
+rx_cq_free:
+	be_queue_free(adapter, cq);
+rx_eq_destroy:
+	be_cmd_q_destroy(&adapter->ctrl, eq, QTYPE_EQ);
+rx_eq_free:
+	be_queue_free(adapter, eq);
+	return rc;
+}
+static bool event_get(struct be_eq_obj *eq_obj, u16 *rid)
+{
+	struct be_eq_entry *entry = queue_tail_node(&eq_obj->q);
+	u32 evt = entry->evt;
+
+	if (!evt)
+		return false;
+
+	evt = le32_to_cpu(evt);
+	*rid = (evt >> EQ_ENTRY_RES_ID_SHIFT) & EQ_ENTRY_RES_ID_MASK;
+	entry->evt = 0;
+	queue_tail_inc(&eq_obj->q);
+	return true;
+}
+
+static int event_handle(struct be_ctrl_info *ctrl,
+			struct be_eq_obj *eq_obj)
+{
+	u16 rid = 0, num = 0;
+
+	while (event_get(eq_obj, &rid))
+		num++;
+
+	/* We can see an interrupt and no event */
+	be_eq_notify(ctrl, eq_obj->q.id, true, true, num);
+	if (num)
+		napi_schedule(&eq_obj->napi);
+
+	return num;
+}
+
+static irqreturn_t be_intx(int irq, void *dev)
+{
+	struct be_adapter *adapter = dev;
+	struct be_ctrl_info *ctrl = &adapter->ctrl;
+	int rx, tx;
+
+	tx = event_handle(ctrl, &adapter->tx_eq);
+	rx = event_handle(ctrl, &adapter->rx_eq);
+
+	if (rx || tx)
+		return IRQ_HANDLED;
+	else
+		return IRQ_NONE;
+}
+
+static irqreturn_t be_msix_rx(int irq, void *dev)
+{
+	struct be_adapter *adapter = dev;
+
+	event_handle(&adapter->ctrl, &adapter->rx_eq);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t be_msix_tx(int irq, void *dev)
+{
+	struct be_adapter *adapter = dev;
+
+	event_handle(&adapter->ctrl, &adapter->tx_eq);
+
+	return IRQ_HANDLED;
+}
+
+static inline bool do_lro(struct be_adapter *adapter,
+			struct be_eth_rx_compl *rxcp)
+{
+	int err = AMAP_GET_BITS(struct amap_eth_rx_compl, err, rxcp);
+	int tcp_frame = AMAP_GET_BITS(struct amap_eth_rx_compl, tcpf, rxcp);
+
+	if (err)
+		drvr_stats(adapter)->be_rxcp_err++;
+
+	return (!tcp_frame || err || (adapter->max_rx_coal <= 1)) ?
+		false : true;
+}
+
+int be_poll_rx(struct napi_struct *napi, int budget)
+{
+	struct be_eq_obj *rx_eq = container_of(napi, struct be_eq_obj, napi);
+	struct be_adapter *adapter =
+		container_of(rx_eq, struct be_adapter, rx_eq);
+	struct be_queue_info *rx_cq = &adapter->rx_obj.cq;
+	struct be_eth_rx_compl *rxcp;
+	u32 work_done;
+
+	for (work_done = 0; work_done < budget; work_done++) {
+		rxcp = be_rx_compl_get(adapter);
+		if (!rxcp)
+			break;
+
+		if (do_lro(adapter, rxcp))
+			be_rx_compl_process_lro(adapter, rxcp);
+		else
+			be_rx_compl_process(adapter, rxcp);
+	}
+
+	lro_flush_all(&adapter->rx_obj.lro_mgr);
+
+	/* Refill the queue */
+	if (atomic_read(&adapter->rx_obj.q.used) < RX_FRAGS_REFILL_WM)
+		be_post_rx_frags(adapter);
+
+	/* All consumed */
+	if (work_done < budget) {
+		napi_complete(napi);
+		be_cq_notify(&adapter->ctrl, rx_cq->id, true, work_done);
+	} else {
+		/* More to be consumed; continue with interrupts disabled */
+		be_cq_notify(&adapter->ctrl, rx_cq->id, false, work_done);
+	}
+	return work_done;
+}
+
+/* For TX we don't honour budget; consume everything */
+int be_poll_tx(struct napi_struct *napi, int budget)
+{
+	struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi);
+	struct be_adapter *adapter =
+		container_of(tx_eq, struct be_adapter, tx_eq);
+	struct be_tx_obj *tx_obj = &adapter->tx_obj;
+	struct be_queue_info *tx_cq = &tx_obj->cq;
+	struct be_queue_info *txq = &tx_obj->q;
+	struct be_eth_tx_compl *txcp;
+	u32 num_cmpl = 0;
+	u16 end_idx;
+
+	while ((txcp = be_tx_compl_get(adapter))) {
+		end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl,
+					wrb_index, txcp);
+		be_tx_compl_process(adapter, end_idx);
+		num_cmpl++;
+	}
+
+	/* As Tx wrbs have been freed up, wake up netdev queue if
+	 * it was stopped due to lack of tx wrbs.
+	 */
+	if (netif_queue_stopped(adapter->netdev) &&
+			atomic_read(&txq->used) < txq->len / 2) {
+		netif_wake_queue(adapter->netdev);
+	}
+
+	napi_complete(napi);
+
+	be_cq_notify(&adapter->ctrl, tx_cq->id, true, num_cmpl);
+
+	drvr_stats(adapter)->be_tx_events++;
+	drvr_stats(adapter)->be_tx_compl += num_cmpl;
+
+	return 1;
+}
+
+static void be_msix_enable(struct be_adapter *adapter)
+{
+	int i, status;
+
+	for (i = 0; i < BE_NUM_MSIX_VECTORS; i++)
+		adapter->msix_entries[i].entry = i;
+
+	status = pci_enable_msix(adapter->pdev, adapter->msix_entries,
+		BE_NUM_MSIX_VECTORS);
+	if (status == 0)
+		adapter->msix_enabled = true;
+	return;
+}
+
+static inline int be_msix_vec_get(struct be_adapter *adapter, u32 eq_id)
+{
+	return adapter->msix_entries[eq_id -
+			8 * adapter->ctrl.pci_func].vector;
+}
+
+static int be_msix_register(struct be_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct be_eq_obj *tx_eq = &adapter->tx_eq;
+	struct be_eq_obj *rx_eq = &adapter->rx_eq;
+	int status, vec;
+
+	sprintf(tx_eq->desc, "%s-tx", netdev->name);
+	vec = be_msix_vec_get(adapter, tx_eq->q.id);
+	status = request_irq(vec, be_msix_tx, 0, tx_eq->desc, adapter);
+	if (status)
+		goto err;
+
+	sprintf(rx_eq->desc, "%s-rx", netdev->name);
+	vec = be_msix_vec_get(adapter, rx_eq->q.id);
+	status = request_irq(vec, be_msix_rx, 0, rx_eq->desc, adapter);
+	if (status) { /* Free TX IRQ */
+		vec = be_msix_vec_get(adapter, tx_eq->q.id);
+		free_irq(vec, adapter);
+		goto err;
+	}
+	return 0;
+err:
+	dev_warn(&adapter->pdev->dev,
+		"MSIX Request IRQ failed - err %d\n", status);
+	pci_disable_msix(adapter->pdev);
+	adapter->msix_enabled = false;
+	return status;
+}
+
+static int be_irq_register(struct be_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	int status;
+
+	if (adapter->msix_enabled) {
+		status = be_msix_register(adapter);
+		if (status == 0)
+			goto done;
+	}
+
+	/* INTx */
+	netdev->irq = adapter->pdev->irq;
+	status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name,
+			adapter);
+	if (status) {
+		dev_err(&adapter->pdev->dev,
+			"INTx request IRQ failed - err %d\n", status);
+		return status;
+	}
+done:
+	adapter->isr_registered = true;
+	return 0;
+}
+
+static void be_irq_unregister(struct be_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	int vec;
+
+	if (!adapter->isr_registered)
+		return;
+
+	/* INTx */
+	if (!adapter->msix_enabled) {
+		free_irq(netdev->irq, adapter);
+		goto done;
+	}
+
+	/* MSIx */
+	vec = be_msix_vec_get(adapter, adapter->tx_eq.q.id);
+	free_irq(vec, adapter);
+	vec = be_msix_vec_get(adapter, adapter->rx_eq.q.id);
+	free_irq(vec, adapter);
+done:
+	adapter->isr_registered = false;
+	return;
+}
+
+static int be_open(struct net_device *netdev)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct be_ctrl_info *ctrl = &adapter->ctrl;
+	struct be_eq_obj *rx_eq = &adapter->rx_eq;
+	struct be_eq_obj *tx_eq = &adapter->tx_eq;
+	u32 if_flags;
+	int status;
+
+	if_flags = BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_PROMISCUOUS |
+		BE_IF_FLAGS_MCAST_PROMISCUOUS | BE_IF_FLAGS_UNTAGGED |
+		BE_IF_FLAGS_PASS_L3L4_ERRORS;
+	status = be_cmd_if_create(ctrl, if_flags, netdev->dev_addr,
+			false/* pmac_invalid */, &adapter->if_handle,
+			&adapter->pmac_id);
+	if (status != 0)
+		goto do_none;
+
+	status = be_cmd_set_flow_control(ctrl, true, true);
+	if (status != 0)
+		goto if_destroy;
+
+	status = be_tx_queues_create(adapter);
+	if (status != 0)
+		goto if_destroy;
+
+	status = be_rx_queues_create(adapter);
+	if (status != 0)
+		goto tx_qs_destroy;
+
+	/* First time posting */
+	be_post_rx_frags(adapter);
+
+	napi_enable(&rx_eq->napi);
+	napi_enable(&tx_eq->napi);
+
+	be_irq_register(adapter);
+
+	be_intr_set(ctrl, true);
+
+	/* The evt queues are created in the unarmed state; arm them */
+	be_eq_notify(ctrl, rx_eq->q.id, true, false, 0);
+	be_eq_notify(ctrl, tx_eq->q.id, true, false, 0);
+
+	/* The compl queues are created in the unarmed state; arm them */
+	be_cq_notify(ctrl, adapter->rx_obj.cq.id, true, 0);
+	be_cq_notify(ctrl, adapter->tx_obj.cq.id, true, 0);
+
+	be_link_status_update(adapter);
+
+	schedule_delayed_work(&adapter->work, msecs_to_jiffies(100));
+	return 0;
+
+tx_qs_destroy:
+	be_tx_queues_destroy(adapter);
+if_destroy:
+	be_cmd_if_destroy(ctrl, adapter->if_handle);
+do_none:
+	return status;
+}
+
+static int be_close(struct net_device *netdev)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct be_ctrl_info *ctrl = &adapter->ctrl;
+	struct be_eq_obj *rx_eq = &adapter->rx_eq;
+	struct be_eq_obj *tx_eq = &adapter->tx_eq;
+	int vec;
+
+	cancel_delayed_work(&adapter->work);
+
+	netif_stop_queue(netdev);
+	netif_carrier_off(netdev);
+	adapter->link.speed = PHY_LINK_SPEED_ZERO;
+
+	be_intr_set(ctrl, false);
+
+	if (adapter->msix_enabled) {
+		vec = be_msix_vec_get(adapter, tx_eq->q.id);
+		synchronize_irq(vec);
+		vec = be_msix_vec_get(adapter, rx_eq->q.id);
+		synchronize_irq(vec);
+	} else {
+		synchronize_irq(netdev->irq);
+	}
+	be_irq_unregister(adapter);
+
+	napi_disable(&rx_eq->napi);
+	napi_disable(&tx_eq->napi);
+
+	be_rx_queues_destroy(adapter);
+	be_tx_queues_destroy(adapter);
+
+	be_cmd_if_destroy(ctrl, adapter->if_handle);
+	return 0;
+}
+
+static int be_get_frag_header(struct skb_frag_struct *frag, void **mac_hdr,
+				void **ip_hdr, void **tcpudp_hdr,
+				u64 *hdr_flags, void *priv)
+{
+	struct ethhdr *eh;
+	struct vlan_ethhdr *veh;
+	struct iphdr *iph;
+	u8 *va = page_address(frag->page) + frag->page_offset;
+	unsigned long ll_hlen;
+
+	prefetch(va);
+	eh = (struct ethhdr *)va;
+	*mac_hdr = eh;
+	ll_hlen = ETH_HLEN;
+	if (eh->h_proto != htons(ETH_P_IP)) {
+		if (eh->h_proto == htons(ETH_P_8021Q)) {
+			veh = (struct vlan_ethhdr *)va;
+			if (veh->h_vlan_encapsulated_proto != htons(ETH_P_IP))
+				return -1;
+
+			ll_hlen += VLAN_HLEN;
+		} else {
+			return -1;
+		}
+	}
+	*hdr_flags = LRO_IPV4;
+	iph = (struct iphdr *)(va + ll_hlen);
+	*ip_hdr = iph;
+	if (iph->protocol != IPPROTO_TCP)
+		return -1;
+	*hdr_flags |= LRO_TCP;
+	*tcpudp_hdr = (u8 *) (*ip_hdr) + (iph->ihl << 2);
+
+	return 0;
+}
+
+static void be_lro_init(struct be_adapter *adapter, struct net_device *netdev)
+{
+	struct net_lro_mgr *lro_mgr;
+
+	lro_mgr = &adapter->rx_obj.lro_mgr;
+	lro_mgr->dev = netdev;
+	lro_mgr->features = LRO_F_NAPI;
+	lro_mgr->ip_summed = CHECKSUM_UNNECESSARY;
+	lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY;
+	lro_mgr->max_desc = BE_MAX_LRO_DESCRIPTORS;
+	lro_mgr->lro_arr = adapter->rx_obj.lro_desc;
+	lro_mgr->get_frag_header = be_get_frag_header;
+	lro_mgr->max_aggr = BE_MAX_FRAGS_PER_FRAME;
+}
+
+static struct net_device_ops be_netdev_ops = {
+	.ndo_open		= be_open,
+	.ndo_stop		= be_close,
+	.ndo_start_xmit		= be_xmit,
+	.ndo_get_stats		= be_get_stats,
+	.ndo_set_rx_mode	= be_set_multicast_list,
+	.ndo_set_mac_address	= be_mac_addr_set,
+	.ndo_change_mtu		= be_change_mtu,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_vlan_rx_register	= be_vlan_register,
+	.ndo_vlan_rx_add_vid	= be_vlan_add_vid,
+	.ndo_vlan_rx_kill_vid	= be_vlan_rem_vid,
+};
+
+static void be_netdev_init(struct net_device *netdev)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	netdev->features |= NETIF_F_SG | NETIF_F_HW_VLAN_RX | NETIF_F_TSO |
+		NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER | NETIF_F_IP_CSUM |
+		NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
+
+	netdev->flags |= IFF_MULTICAST;
+
+	BE_SET_NETDEV_OPS(netdev, &be_netdev_ops);
+
+	SET_ETHTOOL_OPS(netdev, &be_ethtool_ops);
+
+	be_lro_init(adapter, netdev);
+
+	netif_napi_add(netdev, &adapter->rx_eq.napi, be_poll_rx,
+		BE_NAPI_WEIGHT);
+	netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx,
+		BE_NAPI_WEIGHT);
+
+	netif_carrier_off(netdev);
+	netif_stop_queue(netdev);
+}
+
+static void be_unmap_pci_bars(struct be_adapter *adapter)
+{
+	struct be_ctrl_info *ctrl = &adapter->ctrl;
+	if (ctrl->csr)
+		iounmap(ctrl->csr);
+	if (ctrl->db)
+		iounmap(ctrl->db);
+	if (ctrl->pcicfg)
+		iounmap(ctrl->pcicfg);
+}
+
+static int be_map_pci_bars(struct be_adapter *adapter)
+{
+	u8 __iomem *addr;
+
+	addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2),
+			pci_resource_len(adapter->pdev, 2));
+	if (addr == NULL)
+		return -ENOMEM;
+	adapter->ctrl.csr = addr;
+
+	addr = ioremap_nocache(pci_resource_start(adapter->pdev, 4),
+			128 * 1024);
+	if (addr == NULL)
+		goto pci_map_err;
+	adapter->ctrl.db = addr;
+
+	addr = ioremap_nocache(pci_resource_start(adapter->pdev, 1),
+			pci_resource_len(adapter->pdev, 1));
+	if (addr == NULL)
+		goto pci_map_err;
+	adapter->ctrl.pcicfg = addr;
+
+	return 0;
+pci_map_err:
+	be_unmap_pci_bars(adapter);
+	return -ENOMEM;
+}
+
+
+static void be_ctrl_cleanup(struct be_adapter *adapter)
+{
+	struct be_dma_mem *mem = &adapter->ctrl.mbox_mem_alloced;
+
+	be_unmap_pci_bars(adapter);
+
+	if (mem->va)
+		pci_free_consistent(adapter->pdev, mem->size,
+			mem->va, mem->dma);
+}
+
+/* Initialize the mbox required to send cmds to BE */
+static int be_ctrl_init(struct be_adapter *adapter)
+{
+	struct be_ctrl_info *ctrl = &adapter->ctrl;
+	struct be_dma_mem *mbox_mem_alloc = &ctrl->mbox_mem_alloced;
+	struct be_dma_mem *mbox_mem_align = &ctrl->mbox_mem;
+	int status;
+	u32 val;
+
+	status = be_map_pci_bars(adapter);
+	if (status)
+		return status;
+
+	mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16;
+	mbox_mem_alloc->va = pci_alloc_consistent(adapter->pdev,
+				mbox_mem_alloc->size, &mbox_mem_alloc->dma);
+	if (!mbox_mem_alloc->va) {
+		be_unmap_pci_bars(adapter);
+		return -1;
+	}
+	mbox_mem_align->size = sizeof(struct be_mcc_mailbox);
+	mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16);
+	mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16);
+	memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox));
+	spin_lock_init(&ctrl->cmd_lock);
+
+	val = ioread32(ctrl->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET);
+	ctrl->pci_func = (val >> MEMBAR_CTRL_INT_CTRL_PFUNC_SHIFT) &
+					MEMBAR_CTRL_INT_CTRL_PFUNC_MASK;
+	return 0;
+}
+
+static void be_stats_cleanup(struct be_adapter *adapter)
+{
+	struct be_stats_obj *stats = &adapter->stats;
+	struct be_dma_mem *cmd = &stats->cmd;
+
+	if (cmd->va)
+		pci_free_consistent(adapter->pdev, cmd->size,
+			cmd->va, cmd->dma);
+}
+
+static int be_stats_init(struct be_adapter *adapter)
+{
+	struct be_stats_obj *stats = &adapter->stats;
+	struct be_dma_mem *cmd = &stats->cmd;
+
+	cmd->size = sizeof(struct be_cmd_req_get_stats);
+	cmd->va = pci_alloc_consistent(adapter->pdev, cmd->size, &cmd->dma);
+	if (cmd->va == NULL)
+		return -1;
+	return 0;
+}
+
+static void __devexit be_remove(struct pci_dev *pdev)
+{
+	struct be_adapter *adapter = pci_get_drvdata(pdev);
+	if (!adapter)
+		return;
+
+	unregister_netdev(adapter->netdev);
+
+	be_stats_cleanup(adapter);
+
+	be_ctrl_cleanup(adapter);
+
+	if (adapter->msix_enabled) {
+		pci_disable_msix(adapter->pdev);
+		adapter->msix_enabled = false;
+	}
+
+	pci_set_drvdata(pdev, NULL);
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+
+	free_netdev(adapter->netdev);
+}
+
+static int be_hw_up(struct be_adapter *adapter)
+{
+	struct be_ctrl_info *ctrl = &adapter->ctrl;
+	int status;
+
+	status = be_cmd_POST(ctrl);
+	if (status)
+		return status;
+
+	status = be_cmd_get_fw_ver(ctrl, adapter->fw_ver);
+	if (status)
+		return status;
+
+	status = be_cmd_query_fw_cfg(ctrl, &adapter->port_num);
+	return status;
+}
+
+static int __devinit be_probe(struct pci_dev *pdev,
+			const struct pci_device_id *pdev_id)
+{
+	int status = 0;
+	struct be_adapter *adapter;
+	struct net_device *netdev;
+	struct be_ctrl_info *ctrl;
+	u8 mac[ETH_ALEN];
+
+	status = pci_enable_device(pdev);
+	if (status)
+		goto do_none;
+
+	status = pci_request_regions(pdev, DRV_NAME);
+	if (status)
+		goto disable_dev;
+	pci_set_master(pdev);
+
+	netdev = alloc_etherdev(sizeof(struct be_adapter));
+	if (netdev == NULL) {
+		status = -ENOMEM;
+		goto rel_reg;
+	}
+	adapter = netdev_priv(netdev);
+	adapter->pdev = pdev;
+	pci_set_drvdata(pdev, adapter);
+	adapter->netdev = netdev;
+
+	be_msix_enable(adapter);
+
+	status = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+	if (!status) {
+		netdev->features |= NETIF_F_HIGHDMA;
+	} else {
+		status = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+		if (status) {
+			dev_err(&pdev->dev, "Could not set PCI DMA Mask\n");
+			goto free_netdev;
+		}
+	}
+
+	ctrl = &adapter->ctrl;
+	status = be_ctrl_init(adapter);
+	if (status)
+		goto free_netdev;
+
+	status = be_stats_init(adapter);
+	if (status)
+		goto ctrl_clean;
+
+	status = be_hw_up(adapter);
+	if (status)
+		goto stats_clean;
+
+	status = be_cmd_mac_addr_query(ctrl, mac, MAC_ADDRESS_TYPE_NETWORK,
+			true /* permanent */, 0);
+	if (status)
+		goto stats_clean;
+	memcpy(netdev->dev_addr, mac, ETH_ALEN);
+
+	INIT_DELAYED_WORK(&adapter->work, be_worker);
+	be_netdev_init(netdev);
+	SET_NETDEV_DEV(netdev, &adapter->pdev->dev);
+
+	status = register_netdev(netdev);
+	if (status != 0)
+		goto stats_clean;
+
+	dev_info(&pdev->dev, BE_NAME " port %d\n", adapter->port_num);
+	return 0;
+
+stats_clean:
+	be_stats_cleanup(adapter);
+ctrl_clean:
+	be_ctrl_cleanup(adapter);
+free_netdev:
+	free_netdev(adapter->netdev);
+rel_reg:
+	pci_release_regions(pdev);
+disable_dev:
+	pci_disable_device(pdev);
+do_none:
+	dev_warn(&pdev->dev, BE_NAME " initialization failed\n");
+	return status;
+}
+
+static int be_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	struct be_adapter *adapter = pci_get_drvdata(pdev);
+	struct net_device *netdev =  adapter->netdev;
+
+	netif_device_detach(netdev);
+	if (netif_running(netdev)) {
+		rtnl_lock();
+		be_close(netdev);
+		rtnl_unlock();
+	}
+
+	pci_save_state(pdev);
+	pci_disable_device(pdev);
+	pci_set_power_state(pdev, pci_choose_state(pdev, state));
+	return 0;
+}
+
+static int be_resume(struct pci_dev *pdev)
+{
+	int status = 0;
+	struct be_adapter *adapter = pci_get_drvdata(pdev);
+	struct net_device *netdev =  adapter->netdev;
+
+	netif_device_detach(netdev);
+
+	status = pci_enable_device(pdev);
+	if (status)
+		return status;
+
+	pci_set_power_state(pdev, 0);
+	pci_restore_state(pdev);
+
+	be_vids_config(netdev);
+
+	if (netif_running(netdev)) {
+		rtnl_lock();
+		be_open(netdev);
+		rtnl_unlock();
+	}
+	netif_device_attach(netdev);
+	return 0;
+}
+
+static struct pci_driver be_driver = {
+	.name = DRV_NAME,
+	.id_table = be_dev_ids,
+	.probe = be_probe,
+	.remove = be_remove,
+	.suspend = be_suspend,
+	.resume = be_resume
+};
+
+static int __init be_init_module(void)
+{
+	if (rx_frag_size != 8192 && rx_frag_size != 4096
+		&& rx_frag_size != 2048) {
+		printk(KERN_WARNING DRV_NAME
+			" : Module param rx_frag_size must be 2048/4096/8192."
+			" Using 2048\n");
+		rx_frag_size = 2048;
+	}
+	/* Ensure rx_frag_size is aligned to chache line */
+	if (SKB_DATA_ALIGN(rx_frag_size) != rx_frag_size) {
+		printk(KERN_WARNING DRV_NAME
+			" : Bad module param rx_frag_size. Using 2048\n");
+		rx_frag_size = 2048;
+	}
+
+	return pci_register_driver(&be_driver);
+}
+module_init(be_init_module);
+
+static void __exit be_exit_module(void)
+{
+	pci_unregister_driver(&be_driver);
+}
+module_exit(be_exit_module);

drivers/net/bnx2x.h

@@ -152,7 +152,7 @@ struct sw_rx_page {
 #define PAGES_PER_SGE			(1 << PAGES_PER_SGE_SHIFT)
 #define SGE_PAGE_SIZE			PAGE_SIZE
 #define SGE_PAGE_SHIFT			PAGE_SHIFT
-#define SGE_PAGE_ALIGN(addr)		PAGE_ALIGN(addr)
+#define SGE_PAGE_ALIGN(addr)		PAGE_ALIGN((typeof(PAGE_SIZE))addr)
 
 #define BCM_RX_ETH_PAYLOAD_ALIGN	64
 

drivers/net/bnx2x_init.h

@@ -150,7 +150,6 @@ static void bnx2x_init_ind_wr(struct bnx2x *bp, u32 addr, const u32 *data,
 
 static void bnx2x_write_big_buf(struct bnx2x *bp, u32 addr, u32 len)
 {
-#ifdef USE_DMAE
 	int offset = 0;
 
 	if (bp->dmae_ready) {
@@ -164,9 +163,6 @@ static void bnx2x_write_big_buf(struct bnx2x *bp, u32 addr, u32 len)
 				 addr + offset, len);
 	} else
 		bnx2x_init_str_wr(bp, addr, bp->gunzip_buf, len);
-#else
-	bnx2x_init_str_wr(bp, addr, bp->gunzip_buf, len);
-#endif
 }
 
 static void bnx2x_init_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)

drivers/net/bnx2x_main.c

@@ -57,7 +57,7 @@
 #include "bnx2x.h"
 #include "bnx2x_init.h"
 
-#define DRV_MODULE_VERSION	"1.45.26"
+#define DRV_MODULE_VERSION	"1.45.27"
 #define DRV_MODULE_RELDATE	"2009/01/26"
 #define BNX2X_BC_VER		0x040200
 
@@ -4035,10 +4035,10 @@ static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
 {
 	int port = BP_PORT(bp);
 
-	bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
+	bnx2x_init_fill(bp, USTORM_INTMEM_ADDR +
 			USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
 			sizeof(struct ustorm_status_block)/4);
-	bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
+	bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR +
 			CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
 			sizeof(struct cstorm_status_block)/4);
 }
@@ -4092,18 +4092,18 @@ static void bnx2x_zero_def_sb(struct bnx2x *bp)
 {
 	int func = BP_FUNC(bp);
 
-	bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
+	bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR +
+			TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
+			sizeof(struct tstorm_def_status_block)/4);
+	bnx2x_init_fill(bp, USTORM_INTMEM_ADDR +
 			USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
 			sizeof(struct ustorm_def_status_block)/4);
-	bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
+	bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR +
 			CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
 			sizeof(struct cstorm_def_status_block)/4);
-	bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
+	bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR +
 			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,
@@ -4518,7 +4518,8 @@ static void bnx2x_init_context(struct bnx2x *bp)
 				(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);
+				(u16)min((u32)SGE_PAGE_SIZE*PAGES_PER_SGE,
+					 (u32)0xffff);
 			context->ustorm_st_context.common.sge_page_base_hi =
 						U64_HI(fp->rx_sge_mapping);
 			context->ustorm_st_context.common.sge_page_base_lo =

drivers/net/dnet.c

@@ -0,0 +1,994 @@
+/*
+ * Dave DNET Ethernet Controller driver
+ *
+ * Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
+ * Copyright (C) 2009 Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/phy.h>
+#include <linux/platform_device.h>
+
+#include "dnet.h"
+
+#undef DEBUG
+
+/* function for reading internal MAC register */
+u16 dnet_readw_mac(struct dnet *bp, u16 reg)
+{
+	u16 data_read;
+
+	/* issue a read */
+	dnet_writel(bp, reg, MACREG_ADDR);
+
+	/* since a read/write op to the MAC is very slow,
+	 * we must wait before reading the data */
+	ndelay(500);
+
+	/* read data read from the MAC register */
+	data_read = dnet_readl(bp, MACREG_DATA);
+
+	/* all done */
+	return data_read;
+}
+
+/* function for writing internal MAC register */
+void dnet_writew_mac(struct dnet *bp, u16 reg, u16 val)
+{
+	/* load data to write */
+	dnet_writel(bp, val, MACREG_DATA);
+
+	/* issue a write */
+	dnet_writel(bp, reg | DNET_INTERNAL_WRITE, MACREG_ADDR);
+
+	/* since a read/write op to the MAC is very slow,
+	 * we must wait before exiting */
+	ndelay(500);
+}
+
+static void __dnet_set_hwaddr(struct dnet *bp)
+{
+	u16 tmp;
+
+	tmp = cpu_to_be16(*((u16 *) bp->dev->dev_addr));
+	dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_0_REG, tmp);
+	tmp = cpu_to_be16(*((u16 *) (bp->dev->dev_addr + 2)));
+	dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_1_REG, tmp);
+	tmp = cpu_to_be16(*((u16 *) (bp->dev->dev_addr + 4)));
+	dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_2_REG, tmp);
+}
+
+static void __devinit dnet_get_hwaddr(struct dnet *bp)
+{
+	u16 tmp;
+	u8 addr[6];
+
+	/*
+	 * from MAC docs:
+	 * "Note that the MAC address is stored in the registers in Hexadecimal
+	 * form. For example, to set the MAC Address to: AC-DE-48-00-00-80
+	 * would require writing 0xAC (octet 0) to address 0x0B (high byte of
+	 * Mac_addr[15:0]), 0xDE (octet 1) to address 0x0A (Low byte of
+	 * Mac_addr[15:0]), 0x48 (octet 2) to address 0x0D (high byte of
+	 * Mac_addr[15:0]), 0x00 (octet 3) to address 0x0C (Low byte of
+	 * Mac_addr[15:0]), 0x00 (octet 4) to address 0x0F (high byte of
+	 * Mac_addr[15:0]), and 0x80 (octet 5) to address * 0x0E (Low byte of
+	 * Mac_addr[15:0]).
+	 */
+	tmp = dnet_readw_mac(bp, DNET_INTERNAL_MAC_ADDR_0_REG);
+	*((u16 *) addr) = be16_to_cpu(tmp);
+	tmp = dnet_readw_mac(bp, DNET_INTERNAL_MAC_ADDR_1_REG);
+	*((u16 *) (addr + 2)) = be16_to_cpu(tmp);
+	tmp = dnet_readw_mac(bp, DNET_INTERNAL_MAC_ADDR_2_REG);
+	*((u16 *) (addr + 4)) = be16_to_cpu(tmp);
+
+	if (is_valid_ether_addr(addr))
+		memcpy(bp->dev->dev_addr, addr, sizeof(addr));
+}
+
+static int dnet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
+{
+	struct dnet *bp = bus->priv;
+	u16 value;
+
+	while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
+				& DNET_INTERNAL_GMII_MNG_CMD_FIN))
+		cpu_relax();
+
+	/* only 5 bits allowed for phy-addr and reg_offset */
+	mii_id &= 0x1f;
+	regnum &= 0x1f;
+
+	/* prepare reg_value for a read */
+	value = (mii_id << 8);
+	value |= regnum;
+
+	/* write control word */
+	dnet_writew_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG, value);
+
+	/* wait for end of transfer */
+	while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
+				& DNET_INTERNAL_GMII_MNG_CMD_FIN))
+		cpu_relax();
+
+	value = dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_DAT_REG);
+
+	pr_debug("mdio_read %02x:%02x <- %04x\n", mii_id, regnum, value);
+
+	return value;
+}
+
+static int dnet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
+			   u16 value)
+{
+	struct dnet *bp = bus->priv;
+	u16 tmp;
+
+	pr_debug("mdio_write %02x:%02x <- %04x\n", mii_id, regnum, value);
+
+	while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
+				& DNET_INTERNAL_GMII_MNG_CMD_FIN))
+		cpu_relax();
+
+	/* prepare for a write operation */
+	tmp = (1 << 13);
+
+	/* only 5 bits allowed for phy-addr and reg_offset */
+	mii_id &= 0x1f;
+	regnum &= 0x1f;
+
+	/* only 16 bits on data */
+	value &= 0xffff;
+
+	/* prepare reg_value for a write */
+	tmp |= (mii_id << 8);
+	tmp |= regnum;
+
+	/* write data to write first */
+	dnet_writew_mac(bp, DNET_INTERNAL_GMII_MNG_DAT_REG, value);
+
+	/* write control word */
+	dnet_writew_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG, tmp);
+
+	while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
+				& DNET_INTERNAL_GMII_MNG_CMD_FIN))
+		cpu_relax();
+
+	return 0;
+}
+
+static int dnet_mdio_reset(struct mii_bus *bus)
+{
+	return 0;
+}
+
+static void dnet_handle_link_change(struct net_device *dev)
+{
+	struct dnet *bp = netdev_priv(dev);
+	struct phy_device *phydev = bp->phy_dev;
+	unsigned long flags;
+	u32 mode_reg, ctl_reg;
+
+	int status_change = 0;
+
+	spin_lock_irqsave(&bp->lock, flags);
+
+	mode_reg = dnet_readw_mac(bp, DNET_INTERNAL_MODE_REG);
+	ctl_reg = dnet_readw_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG);
+
+	if (phydev->link) {
+		if (bp->duplex != phydev->duplex) {
+			if (phydev->duplex)
+				ctl_reg &=
+				    ~(DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP);
+			else
+				ctl_reg |=
+				    DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP;
+
+			bp->duplex = phydev->duplex;
+			status_change = 1;
+		}
+
+		if (bp->speed != phydev->speed) {
+			status_change = 1;
+			switch (phydev->speed) {
+			case 1000:
+				mode_reg |= DNET_INTERNAL_MODE_GBITEN;
+				break;
+			case 100:
+			case 10:
+				mode_reg &= ~DNET_INTERNAL_MODE_GBITEN;
+				break;
+			default:
+				printk(KERN_WARNING
+				       "%s: Ack!  Speed (%d) is not "
+				       "10/100/1000!\n", dev->name,
+				       phydev->speed);
+				break;
+			}
+			bp->speed = phydev->speed;
+		}
+	}
+
+	if (phydev->link != bp->link) {
+		if (phydev->link) {
+			mode_reg |=
+			    (DNET_INTERNAL_MODE_RXEN | DNET_INTERNAL_MODE_TXEN);
+		} else {
+			mode_reg &=
+			    ~(DNET_INTERNAL_MODE_RXEN |
+			      DNET_INTERNAL_MODE_TXEN);
+			bp->speed = 0;
+			bp->duplex = -1;
+		}
+		bp->link = phydev->link;
+
+		status_change = 1;
+	}
+
+	if (status_change) {
+		dnet_writew_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG, ctl_reg);
+		dnet_writew_mac(bp, DNET_INTERNAL_MODE_REG, mode_reg);
+	}
+
+	spin_unlock_irqrestore(&bp->lock, flags);
+
+	if (status_change) {
+		if (phydev->link)
+			printk(KERN_INFO "%s: link up (%d/%s)\n",
+			       dev->name, phydev->speed,
+			       DUPLEX_FULL == phydev->duplex ? "Full" : "Half");
+		else
+			printk(KERN_INFO "%s: link down\n", dev->name);
+	}
+}
+
+static int dnet_mii_probe(struct net_device *dev)
+{
+	struct dnet *bp = netdev_priv(dev);
+	struct phy_device *phydev = NULL;
+	int phy_addr;
+
+	/* find the first phy */
+	for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
+		if (bp->mii_bus->phy_map[phy_addr]) {
+			phydev = bp->mii_bus->phy_map[phy_addr];
+			break;
+		}
+	}
+
+	if (!phydev) {
+		printk(KERN_ERR "%s: no PHY found\n", dev->name);
+		return -ENODEV;
+	}
+
+	/* TODO : add pin_irq */
+
+	/* attach the mac to the phy */
+	if (bp->capabilities & DNET_HAS_RMII) {
+		phydev = phy_connect(dev, phydev->dev.bus_id,
+				     &dnet_handle_link_change, 0,
+				     PHY_INTERFACE_MODE_RMII);
+	} else {
+		phydev = phy_connect(dev, phydev->dev.bus_id,
+				     &dnet_handle_link_change, 0,
+				     PHY_INTERFACE_MODE_MII);
+	}
+
+	if (IS_ERR(phydev)) {
+		printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
+		return PTR_ERR(phydev);
+	}
+
+	/* mask with MAC supported features */
+	if (bp->capabilities & DNET_HAS_GIGABIT)
+		phydev->supported &= PHY_GBIT_FEATURES;
+	else
+		phydev->supported &= PHY_BASIC_FEATURES;
+
+	phydev->supported |= SUPPORTED_Asym_Pause | SUPPORTED_Pause;
+
+	phydev->advertising = phydev->supported;
+
+	bp->link = 0;
+	bp->speed = 0;
+	bp->duplex = -1;
+	bp->phy_dev = phydev;
+
+	return 0;
+}
+
+static int dnet_mii_init(struct dnet *bp)
+{
+	int err, i;
+
+	bp->mii_bus = mdiobus_alloc();
+	if (bp->mii_bus == NULL)
+		return -ENOMEM;
+
+	bp->mii_bus->name = "dnet_mii_bus";
+	bp->mii_bus->read = &dnet_mdio_read;
+	bp->mii_bus->write = &dnet_mdio_write;
+	bp->mii_bus->reset = &dnet_mdio_reset;
+
+	snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0);
+
+	bp->mii_bus->priv = bp;
+
+	bp->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
+	if (!bp->mii_bus->irq) {
+		err = -ENOMEM;
+		goto err_out;
+	}
+
+	for (i = 0; i < PHY_MAX_ADDR; i++)
+		bp->mii_bus->irq[i] = PHY_POLL;
+
+	platform_set_drvdata(bp->dev, bp->mii_bus);
+
+	if (mdiobus_register(bp->mii_bus)) {
+		err = -ENXIO;
+		goto err_out_free_mdio_irq;
+	}
+
+	if (dnet_mii_probe(bp->dev) != 0) {
+		err = -ENXIO;
+		goto err_out_unregister_bus;
+	}
+
+	return 0;
+
+err_out_unregister_bus:
+	mdiobus_unregister(bp->mii_bus);
+err_out_free_mdio_irq:
+	kfree(bp->mii_bus->irq);
+err_out:
+	mdiobus_free(bp->mii_bus);
+	return err;
+}
+
+/* For Neptune board: LINK1000 as Link LED and TX as activity LED */
+int dnet_phy_marvell_fixup(struct phy_device *phydev)
+{
+	return phy_write(phydev, 0x18, 0x4148);
+}
+
+static void dnet_update_stats(struct dnet *bp)
+{
+	u32 __iomem *reg = bp->regs + DNET_RX_PKT_IGNR_CNT;
+	u32 *p = &bp->hw_stats.rx_pkt_ignr;
+	u32 *end = &bp->hw_stats.rx_byte + 1;
+
+	WARN_ON((unsigned long)(end - p - 1) !=
+		(DNET_RX_BYTE_CNT - DNET_RX_PKT_IGNR_CNT) / 4);
+
+	for (; p < end; p++, reg++)
+		*p += readl(reg);
+
+	reg = bp->regs + DNET_TX_UNICAST_CNT;
+	p = &bp->hw_stats.tx_unicast;
+	end = &bp->hw_stats.tx_byte + 1;
+
+	WARN_ON((unsigned long)(end - p - 1) !=
+		(DNET_TX_BYTE_CNT - DNET_TX_UNICAST_CNT) / 4);
+
+	for (; p < end; p++, reg++)
+		*p += readl(reg);
+}
+
+static int dnet_poll(struct napi_struct *napi, int budget)
+{
+	struct dnet *bp = container_of(napi, struct dnet, napi);
+	struct net_device *dev = bp->dev;
+	int npackets = 0;
+	unsigned int pkt_len;
+	struct sk_buff *skb;
+	unsigned int *data_ptr;
+	u32 int_enable;
+	u32 cmd_word;
+	int i;
+
+	while (npackets < budget) {
+		/*
+		 * break out of while loop if there are no more
+		 * packets waiting
+		 */
+		if (!(dnet_readl(bp, RX_FIFO_WCNT) >> 16)) {
+			napi_complete(napi);
+			int_enable = dnet_readl(bp, INTR_ENB);
+			int_enable |= DNET_INTR_SRC_RX_CMDFIFOAF;
+			dnet_writel(bp, int_enable, INTR_ENB);
+			return 0;
+		}
+
+		cmd_word = dnet_readl(bp, RX_LEN_FIFO);
+		pkt_len = cmd_word & 0xFFFF;
+
+		if (cmd_word & 0xDF180000)
+			printk(KERN_ERR "%s packet receive error %x\n",
+			       __func__, cmd_word);
+
+		skb = dev_alloc_skb(pkt_len + 5);
+		if (skb != NULL) {
+			/* Align IP on 16 byte boundaries */
+			skb_reserve(skb, 2);
+			/*
+			 * 'skb_put()' points to the start of sk_buff
+			 * data area.
+			 */
+			data_ptr = (unsigned int *)skb_put(skb, pkt_len);
+			for (i = 0; i < (pkt_len + 3) >> 2; i++)
+				*data_ptr++ = dnet_readl(bp, RX_DATA_FIFO);
+			skb->protocol = eth_type_trans(skb, dev);
+			netif_receive_skb(skb);
+			npackets++;
+		} else
+			printk(KERN_NOTICE
+			       "%s: No memory to allocate a sk_buff of "
+			       "size %u.\n", dev->name, pkt_len);
+	}
+
+	budget -= npackets;
+
+	if (npackets < budget) {
+		/* We processed all packets available.  Tell NAPI it can
+		 * stop polling then re-enable rx interrupts */
+		napi_complete(napi);
+		int_enable = dnet_readl(bp, INTR_ENB);
+		int_enable |= DNET_INTR_SRC_RX_CMDFIFOAF;
+		dnet_writel(bp, int_enable, INTR_ENB);
+		return 0;
+	}
+
+	/* There are still packets waiting */
+	return 1;
+}
+
+static irqreturn_t dnet_interrupt(int irq, void *dev_id)
+{
+	struct net_device *dev = dev_id;
+	struct dnet *bp = netdev_priv(dev);
+	u32 int_src, int_enable, int_current;
+	unsigned long flags;
+	unsigned int handled = 0;
+
+	spin_lock_irqsave(&bp->lock, flags);
+
+	/* read and clear the DNET irq (clear on read) */
+	int_src = dnet_readl(bp, INTR_SRC);
+	int_enable = dnet_readl(bp, INTR_ENB);
+	int_current = int_src & int_enable;
+
+	/* restart the queue if we had stopped it for TX fifo almost full */
+	if (int_current & DNET_INTR_SRC_TX_FIFOAE) {
+		int_enable = dnet_readl(bp, INTR_ENB);
+		int_enable &= ~DNET_INTR_ENB_TX_FIFOAE;
+		dnet_writel(bp, int_enable, INTR_ENB);
+		netif_wake_queue(dev);
+		handled = 1;
+	}
+
+	/* RX FIFO error checking */
+	if (int_current &
+	    (DNET_INTR_SRC_RX_CMDFIFOFF | DNET_INTR_SRC_RX_DATAFIFOFF)) {
+		printk(KERN_ERR "%s: RX fifo error %x, irq %x\n", __func__,
+		       dnet_readl(bp, RX_STATUS), int_current);
+		/* we can only flush the RX FIFOs */
+		dnet_writel(bp, DNET_SYS_CTL_RXFIFOFLUSH, SYS_CTL);
+		ndelay(500);
+		dnet_writel(bp, 0, SYS_CTL);
+		handled = 1;
+	}
+
+	/* TX FIFO error checking */
+	if (int_current &
+	    (DNET_INTR_SRC_TX_FIFOFULL | DNET_INTR_SRC_TX_DISCFRM)) {
+		printk(KERN_ERR "%s: TX fifo error %x, irq %x\n", __func__,
+		       dnet_readl(bp, TX_STATUS), int_current);
+		/* we can only flush the TX FIFOs */
+		dnet_writel(bp, DNET_SYS_CTL_TXFIFOFLUSH, SYS_CTL);
+		ndelay(500);
+		dnet_writel(bp, 0, SYS_CTL);
+		handled = 1;
+	}
+
+	if (int_current & DNET_INTR_SRC_RX_CMDFIFOAF) {
+		if (napi_schedule_prep(&bp->napi)) {
+			/*
+			 * There's no point taking any more interrupts
+			 * until we have processed the buffers
+			 */
+			/* Disable Rx interrupts and schedule NAPI poll */
+			int_enable = dnet_readl(bp, INTR_ENB);
+			int_enable &= ~DNET_INTR_SRC_RX_CMDFIFOAF;
+			dnet_writel(bp, int_enable, INTR_ENB);
+			__napi_schedule(&bp->napi);
+		}
+		handled = 1;
+	}
+
+	if (!handled)
+		pr_debug("%s: irq %x remains\n", __func__, int_current);
+
+	spin_unlock_irqrestore(&bp->lock, flags);
+
+	return IRQ_RETVAL(handled);
+}
+
+#ifdef DEBUG
+static inline void dnet_print_skb(struct sk_buff *skb)
+{
+	int k;
+	printk(KERN_DEBUG PFX "data:");
+	for (k = 0; k < skb->len; k++)
+		printk(" %02x", (unsigned int)skb->data[k]);
+	printk("\n");
+}
+#else
+#define dnet_print_skb(skb)	do {} while (0)
+#endif
+
+static int dnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+
+	struct dnet *bp = netdev_priv(dev);
+	u32 tx_status, irq_enable;
+	unsigned int len, i, tx_cmd, wrsz;
+	unsigned long flags;
+	unsigned int *bufp;
+
+	tx_status = dnet_readl(bp, TX_STATUS);
+
+	pr_debug("start_xmit: len %u head %p data %p\n",
+	       skb->len, skb->head, skb->data);
+	dnet_print_skb(skb);
+
+	/* frame size (words) */
+	len = (skb->len + 3) >> 2;
+
+	spin_lock_irqsave(&bp->lock, flags);
+
+	tx_status = dnet_readl(bp, TX_STATUS);
+
+	bufp = (unsigned int *)(((unsigned long) skb->data) & ~0x3UL);
+	wrsz = (u32) skb->len + 3;
+	wrsz += ((unsigned long) skb->data) & 0x3;
+	wrsz >>= 2;
+	tx_cmd = ((((unsigned long)(skb->data)) & 0x03) << 16) | (u32) skb->len;
+
+	/* check if there is enough room for the current frame */
+	if (wrsz < (DNET_FIFO_SIZE - dnet_readl(bp, TX_FIFO_WCNT))) {
+		for (i = 0; i < wrsz; i++)
+			dnet_writel(bp, *bufp++, TX_DATA_FIFO);
+
+		/*
+		 * inform MAC that a packet's written and ready to be
+		 * shipped out
+		 */
+		dnet_writel(bp, tx_cmd, TX_LEN_FIFO);
+	}
+
+	if (dnet_readl(bp, TX_FIFO_WCNT) > DNET_FIFO_TX_DATA_AF_TH) {
+		netif_stop_queue(dev);
+		tx_status = dnet_readl(bp, INTR_SRC);
+		irq_enable = dnet_readl(bp, INTR_ENB);
+		irq_enable |= DNET_INTR_ENB_TX_FIFOAE;
+		dnet_writel(bp, irq_enable, INTR_ENB);
+	}
+
+	/* free the buffer */
+	dev_kfree_skb(skb);
+
+	spin_unlock_irqrestore(&bp->lock, flags);
+
+	dev->trans_start = jiffies;
+
+	return 0;
+}
+
+static void dnet_reset_hw(struct dnet *bp)
+{
+	/* put ts_mac in IDLE state i.e. disable rx/tx */
+	dnet_writew_mac(bp, DNET_INTERNAL_MODE_REG, DNET_INTERNAL_MODE_FCEN);
+
+	/*
+	 * RX FIFO almost full threshold: only cmd FIFO almost full is
+	 * implemented for RX side
+	 */
+	dnet_writel(bp, DNET_FIFO_RX_CMD_AF_TH, RX_FIFO_TH);
+	/*
+	 * TX FIFO almost empty threshold: only data FIFO almost empty
+	 * is implemented for TX side
+	 */
+	dnet_writel(bp, DNET_FIFO_TX_DATA_AE_TH, TX_FIFO_TH);
+
+	/* flush rx/tx fifos */
+	dnet_writel(bp, DNET_SYS_CTL_RXFIFOFLUSH | DNET_SYS_CTL_TXFIFOFLUSH,
+			SYS_CTL);
+	msleep(1);
+	dnet_writel(bp, 0, SYS_CTL);
+}
+
+static void dnet_init_hw(struct dnet *bp)
+{
+	u32 config;
+
+	dnet_reset_hw(bp);
+	__dnet_set_hwaddr(bp);
+
+	config = dnet_readw_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG);
+
+	if (bp->dev->flags & IFF_PROMISC)
+		/* Copy All Frames */
+		config |= DNET_INTERNAL_RXTX_CONTROL_ENPROMISC;
+	if (!(bp->dev->flags & IFF_BROADCAST))
+		/* No BroadCast */
+		config |= DNET_INTERNAL_RXTX_CONTROL_RXMULTICAST;
+
+	config |= DNET_INTERNAL_RXTX_CONTROL_RXPAUSE |
+	    DNET_INTERNAL_RXTX_CONTROL_RXBROADCAST |
+	    DNET_INTERNAL_RXTX_CONTROL_DROPCONTROL |
+	    DNET_INTERNAL_RXTX_CONTROL_DISCFXFCS;
+
+	dnet_writew_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG, config);
+
+	/* clear irq before enabling them */
+	config = dnet_readl(bp, INTR_SRC);
+
+	/* enable RX/TX interrupt, recv packet ready interrupt */
+	dnet_writel(bp, DNET_INTR_ENB_GLOBAL_ENABLE | DNET_INTR_ENB_RX_SUMMARY |
+			DNET_INTR_ENB_TX_SUMMARY | DNET_INTR_ENB_RX_FIFOERR |
+			DNET_INTR_ENB_RX_ERROR | DNET_INTR_ENB_RX_FIFOFULL |
+			DNET_INTR_ENB_TX_FIFOFULL | DNET_INTR_ENB_TX_DISCFRM |
+			DNET_INTR_ENB_RX_PKTRDY, INTR_ENB);
+}
+
+static int dnet_open(struct net_device *dev)
+{
+	struct dnet *bp = netdev_priv(dev);
+
+	/* if the phy is not yet register, retry later */
+	if (!bp->phy_dev)
+		return -EAGAIN;
+
+	if (!is_valid_ether_addr(dev->dev_addr))
+		return -EADDRNOTAVAIL;
+
+	napi_enable(&bp->napi);
+	dnet_init_hw(bp);
+
+	phy_start_aneg(bp->phy_dev);
+
+	/* schedule a link state check */
+	phy_start(bp->phy_dev);
+
+	netif_start_queue(dev);
+
+	return 0;
+}
+
+static int dnet_close(struct net_device *dev)
+{
+	struct dnet *bp = netdev_priv(dev);
+
+	netif_stop_queue(dev);
+	napi_disable(&bp->napi);
+
+	if (bp->phy_dev)
+		phy_stop(bp->phy_dev);
+
+	dnet_reset_hw(bp);
+	netif_carrier_off(dev);
+
+	return 0;
+}
+
+static inline void dnet_print_pretty_hwstats(struct dnet_stats *hwstat)
+{
+	pr_debug("%s\n", __func__);
+	pr_debug("----------------------------- RX statistics "
+		 "-------------------------------\n");
+	pr_debug("RX_PKT_IGNR_CNT %-8x\n", hwstat->rx_pkt_ignr);
+	pr_debug("RX_LEN_CHK_ERR_CNT %-8x\n", hwstat->rx_len_chk_err);
+	pr_debug("RX_LNG_FRM_CNT %-8x\n", hwstat->rx_lng_frm);
+	pr_debug("RX_SHRT_FRM_CNT %-8x\n", hwstat->rx_shrt_frm);
+	pr_debug("RX_IPG_VIOL_CNT %-8x\n", hwstat->rx_ipg_viol);
+	pr_debug("RX_CRC_ERR_CNT %-8x\n", hwstat->rx_crc_err);
+	pr_debug("RX_OK_PKT_CNT %-8x\n", hwstat->rx_ok_pkt);
+	pr_debug("RX_CTL_FRM_CNT %-8x\n", hwstat->rx_ctl_frm);
+	pr_debug("RX_PAUSE_FRM_CNT %-8x\n", hwstat->rx_pause_frm);
+	pr_debug("RX_MULTICAST_CNT %-8x\n", hwstat->rx_multicast);
+	pr_debug("RX_BROADCAST_CNT %-8x\n", hwstat->rx_broadcast);
+	pr_debug("RX_VLAN_TAG_CNT %-8x\n", hwstat->rx_vlan_tag);
+	pr_debug("RX_PRE_SHRINK_CNT %-8x\n", hwstat->rx_pre_shrink);
+	pr_debug("RX_DRIB_NIB_CNT %-8x\n", hwstat->rx_drib_nib);
+	pr_debug("RX_UNSUP_OPCD_CNT %-8x\n", hwstat->rx_unsup_opcd);
+	pr_debug("RX_BYTE_CNT %-8x\n", hwstat->rx_byte);
+	pr_debug("----------------------------- TX statistics "
+		 "-------------------------------\n");
+	pr_debug("TX_UNICAST_CNT %-8x\n", hwstat->tx_unicast);
+	pr_debug("TX_PAUSE_FRM_CNT %-8x\n", hwstat->tx_pause_frm);
+	pr_debug("TX_MULTICAST_CNT %-8x\n", hwstat->tx_multicast);
+	pr_debug("TX_BRDCAST_CNT %-8x\n", hwstat->tx_brdcast);
+	pr_debug("TX_VLAN_TAG_CNT %-8x\n", hwstat->tx_vlan_tag);
+	pr_debug("TX_BAD_FCS_CNT %-8x\n", hwstat->tx_bad_fcs);
+	pr_debug("TX_JUMBO_CNT %-8x\n", hwstat->tx_jumbo);
+	pr_debug("TX_BYTE_CNT %-8x\n", hwstat->tx_byte);
+}
+
+static struct net_device_stats *dnet_get_stats(struct net_device *dev)
+{
+
+	struct dnet *bp = netdev_priv(dev);
+	struct net_device_stats *nstat = &dev->stats;
+	struct dnet_stats *hwstat = &bp->hw_stats;
+
+	/* read stats from hardware */
+	dnet_update_stats(bp);
+
+	/* Convert HW stats into netdevice stats */
+	nstat->rx_errors = (hwstat->rx_len_chk_err +
+			    hwstat->rx_lng_frm + hwstat->rx_shrt_frm +
+			    /* ignore IGP violation error
+			    hwstat->rx_ipg_viol + */
+			    hwstat->rx_crc_err +
+			    hwstat->rx_pre_shrink +
+			    hwstat->rx_drib_nib + hwstat->rx_unsup_opcd);
+	nstat->tx_errors = hwstat->tx_bad_fcs;
+	nstat->rx_length_errors = (hwstat->rx_len_chk_err +
+				   hwstat->rx_lng_frm +
+				   hwstat->rx_shrt_frm + hwstat->rx_pre_shrink);
+	nstat->rx_crc_errors = hwstat->rx_crc_err;
+	nstat->rx_frame_errors = hwstat->rx_pre_shrink + hwstat->rx_drib_nib;
+	nstat->rx_packets = hwstat->rx_ok_pkt;
+	nstat->tx_packets = (hwstat->tx_unicast +
+			     hwstat->tx_multicast + hwstat->tx_brdcast);
+	nstat->rx_bytes = hwstat->rx_byte;
+	nstat->tx_bytes = hwstat->tx_byte;
+	nstat->multicast = hwstat->rx_multicast;
+	nstat->rx_missed_errors = hwstat->rx_pkt_ignr;
+
+	dnet_print_pretty_hwstats(hwstat);
+
+	return nstat;
+}
+
+static int dnet_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	struct dnet *bp = netdev_priv(dev);
+	struct phy_device *phydev = bp->phy_dev;
+
+	if (!phydev)
+		return -ENODEV;
+
+	return phy_ethtool_gset(phydev, cmd);
+}
+
+static int dnet_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	struct dnet *bp = netdev_priv(dev);
+	struct phy_device *phydev = bp->phy_dev;
+
+	if (!phydev)
+		return -ENODEV;
+
+	return phy_ethtool_sset(phydev, cmd);
+}
+
+static int dnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+	struct dnet *bp = netdev_priv(dev);
+	struct phy_device *phydev = bp->phy_dev;
+
+	if (!netif_running(dev))
+		return -EINVAL;
+
+	if (!phydev)
+		return -ENODEV;
+
+	return phy_mii_ioctl(phydev, if_mii(rq), cmd);
+}
+
+static void dnet_get_drvinfo(struct net_device *dev,
+			     struct ethtool_drvinfo *info)
+{
+	strcpy(info->driver, DRV_NAME);
+	strcpy(info->version, DRV_VERSION);
+	strcpy(info->bus_info, "0");
+}
+
+static const struct ethtool_ops dnet_ethtool_ops = {
+	.get_settings		= dnet_get_settings,
+	.set_settings		= dnet_set_settings,
+	.get_drvinfo		= dnet_get_drvinfo,
+	.get_link		= ethtool_op_get_link,
+};
+
+static const struct net_device_ops dnet_netdev_ops = {
+	.ndo_open		= dnet_open,
+	.ndo_stop		= dnet_close,
+	.ndo_get_stats		= dnet_get_stats,
+	.ndo_start_xmit		= dnet_start_xmit,
+	.ndo_do_ioctl		= dnet_ioctl,
+	.ndo_set_mac_address	= eth_mac_addr,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_change_mtu		= eth_change_mtu,
+};
+
+static int __devinit dnet_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	struct net_device *dev;
+	struct dnet *bp;
+	struct phy_device *phydev;
+	int err = -ENXIO;
+	unsigned int mem_base, mem_size, irq;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "no mmio resource defined\n");
+		goto err_out;
+	}
+	mem_base = res->start;
+	mem_size = resource_size(res);
+	irq = platform_get_irq(pdev, 0);
+
+	if (!request_mem_region(mem_base, mem_size, DRV_NAME)) {
+		dev_err(&pdev->dev, "no memory region available\n");
+		err = -EBUSY;
+		goto err_out;
+	}
+
+	err = -ENOMEM;
+	dev = alloc_etherdev(sizeof(*bp));
+	if (!dev) {
+		dev_err(&pdev->dev, "etherdev alloc failed, aborting.\n");
+		goto err_out;
+	}
+
+	/* TODO: Actually, we have some interesting features... */
+	dev->features |= 0;
+
+	bp = netdev_priv(dev);
+	bp->dev = dev;
+
+	SET_NETDEV_DEV(dev, &pdev->dev);
+
+	spin_lock_init(&bp->lock);
+
+	bp->regs = ioremap(mem_base, mem_size);
+	if (!bp->regs) {
+		dev_err(&pdev->dev, "failed to map registers, aborting.\n");
+		err = -ENOMEM;
+		goto err_out_free_dev;
+	}
+
+	dev->irq = irq;
+	err = request_irq(dev->irq, dnet_interrupt, 0, DRV_NAME, dev);
+	if (err) {
+		dev_err(&pdev->dev, "Unable to request IRQ %d (error %d)\n",
+		       irq, err);
+		goto err_out_iounmap;
+	}
+
+	dev->netdev_ops = &dnet_netdev_ops;
+	netif_napi_add(dev, &bp->napi, dnet_poll, 64);
+	dev->ethtool_ops = &dnet_ethtool_ops;
+
+	dev->base_addr = (unsigned long)bp->regs;
+
+	bp->capabilities = dnet_readl(bp, VERCAPS) & DNET_CAPS_MASK;
+
+	dnet_get_hwaddr(bp);
+
+	if (!is_valid_ether_addr(dev->dev_addr)) {
+		/* choose a random ethernet address */
+		random_ether_addr(dev->dev_addr);
+		__dnet_set_hwaddr(bp);
+	}
+
+	err = register_netdev(dev);
+	if (err) {
+		dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
+		goto err_out_free_irq;
+	}
+
+	/* register the PHY board fixup (for Marvell 88E1111) */
+	err = phy_register_fixup_for_uid(0x01410cc0, 0xfffffff0,
+					 dnet_phy_marvell_fixup);
+	/* we can live without it, so just issue a warning */
+	if (err)
+		dev_warn(&pdev->dev, "Cannot register PHY board fixup.\n");
+
+	if (dnet_mii_init(bp) != 0)
+		goto err_out_unregister_netdev;
+
+	dev_info(&pdev->dev, "Dave DNET at 0x%p (0x%08x) irq %d %pM\n",
+	       bp->regs, mem_base, dev->irq, dev->dev_addr);
+	dev_info(&pdev->dev, "has %smdio, %sirq, %sgigabit, %sdma \n",
+	       (bp->capabilities & DNET_HAS_MDIO) ? "" : "no ",
+	       (bp->capabilities & DNET_HAS_IRQ) ? "" : "no ",
+	       (bp->capabilities & DNET_HAS_GIGABIT) ? "" : "no ",
+	       (bp->capabilities & DNET_HAS_DMA) ? "" : "no ");
+	phydev = bp->phy_dev;
+	dev_info(&pdev->dev, "attached PHY driver [%s] "
+	       "(mii_bus:phy_addr=%s, irq=%d)\n",
+	       phydev->drv->name, phydev->dev.bus_id, phydev->irq);
+
+	return 0;
+
+err_out_unregister_netdev:
+	unregister_netdev(dev);
+err_out_free_irq:
+	free_irq(dev->irq, dev);
+err_out_iounmap:
+	iounmap(bp->regs);
+err_out_free_dev:
+	free_netdev(dev);
+err_out:
+	return err;
+}
+
+static int __devexit dnet_remove(struct platform_device *pdev)
+{
+
+	struct net_device *dev;
+	struct dnet *bp;
+
+	dev = platform_get_drvdata(pdev);
+
+	if (dev) {
+		bp = netdev_priv(dev);
+		if (bp->phy_dev)
+			phy_disconnect(bp->phy_dev);
+		mdiobus_unregister(bp->mii_bus);
+		kfree(bp->mii_bus->irq);
+		mdiobus_free(bp->mii_bus);
+		unregister_netdev(dev);
+		free_irq(dev->irq, dev);
+		iounmap(bp->regs);
+		free_netdev(dev);
+	}
+
+	return 0;
+}
+
+static struct platform_driver dnet_driver = {
+	.probe		= dnet_probe,
+	.remove		= __devexit_p(dnet_remove),
+	.driver		= {
+		.name		= "dnet",
+	},
+};
+
+static int __init dnet_init(void)
+{
+	return platform_driver_register(&dnet_driver);
+}
+
+static void __exit dnet_exit(void)
+{
+	platform_driver_unregister(&dnet_driver);
+}
+
+module_init(dnet_init);
+module_exit(dnet_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Dave DNET Ethernet driver");
+MODULE_AUTHOR("Ilya Yanok <yanok@emcraft.com>, "
+	      "Matteo Vit <matteo.vit@dave.eu>");

drivers/net/dnet.h

@@ -0,0 +1,225 @@
+/*
+ * Dave DNET Ethernet Controller driver
+ *
+ * Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef _DNET_H
+#define _DNET_H
+
+#define DRV_NAME		"dnet"
+#define DRV_VERSION		"0.9.1"
+#define PFX				DRV_NAME ": "
+
+/* Register access macros */
+#define dnet_writel(port, value, reg)	\
+	writel((value), (port)->regs + DNET_##reg)
+#define dnet_readl(port, reg)	readl((port)->regs + DNET_##reg)
+
+/* ALL DNET FIFO REGISTERS */
+#define DNET_RX_LEN_FIFO		0x000	/* RX_LEN_FIFO */
+#define DNET_RX_DATA_FIFO		0x004	/* RX_DATA_FIFO */
+#define DNET_TX_LEN_FIFO		0x008	/* TX_LEN_FIFO */
+#define DNET_TX_DATA_FIFO		0x00C	/* TX_DATA_FIFO */
+
+/* ALL DNET CONTROL/STATUS REGISTERS OFFSETS */
+#define DNET_VERCAPS			0x100	/* VERCAPS */
+#define DNET_INTR_SRC			0x104	/* INTR_SRC */
+#define DNET_INTR_ENB			0x108	/* INTR_ENB */
+#define DNET_RX_STATUS			0x10C	/* RX_STATUS */
+#define DNET_TX_STATUS			0x110	/* TX_STATUS */
+#define DNET_RX_FRAMES_CNT		0x114	/* RX_FRAMES_CNT */
+#define DNET_TX_FRAMES_CNT		0x118	/* TX_FRAMES_CNT */
+#define DNET_RX_FIFO_TH			0x11C	/* RX_FIFO_TH */
+#define DNET_TX_FIFO_TH			0x120	/* TX_FIFO_TH */
+#define DNET_SYS_CTL			0x124	/* SYS_CTL */
+#define DNET_PAUSE_TMR			0x128	/* PAUSE_TMR */
+#define DNET_RX_FIFO_WCNT		0x12C	/* RX_FIFO_WCNT */
+#define DNET_TX_FIFO_WCNT		0x130	/* TX_FIFO_WCNT */
+
+/* ALL DNET MAC REGISTERS */
+#define DNET_MACREG_DATA		0x200	/* Mac-Reg Data */
+#define DNET_MACREG_ADDR		0x204	/* Mac-Reg Addr  */
+
+/* ALL DNET RX STATISTICS COUNTERS  */
+#define DNET_RX_PKT_IGNR_CNT		0x300
+#define DNET_RX_LEN_CHK_ERR_CNT		0x304
+#define DNET_RX_LNG_FRM_CNT		0x308
+#define DNET_RX_SHRT_FRM_CNT		0x30C
+#define DNET_RX_IPG_VIOL_CNT		0x310
+#define DNET_RX_CRC_ERR_CNT		0x314
+#define DNET_RX_OK_PKT_CNT		0x318
+#define DNET_RX_CTL_FRM_CNT		0x31C
+#define DNET_RX_PAUSE_FRM_CNT		0x320
+#define DNET_RX_MULTICAST_CNT		0x324
+#define DNET_RX_BROADCAST_CNT		0x328
+#define DNET_RX_VLAN_TAG_CNT		0x32C
+#define DNET_RX_PRE_SHRINK_CNT		0x330
+#define DNET_RX_DRIB_NIB_CNT		0x334
+#define DNET_RX_UNSUP_OPCD_CNT		0x338
+#define DNET_RX_BYTE_CNT		0x33C
+
+/* DNET TX STATISTICS COUNTERS */
+#define DNET_TX_UNICAST_CNT		0x400
+#define DNET_TX_PAUSE_FRM_CNT		0x404
+#define DNET_TX_MULTICAST_CNT		0x408
+#define DNET_TX_BRDCAST_CNT		0x40C
+#define DNET_TX_VLAN_TAG_CNT		0x410
+#define DNET_TX_BAD_FCS_CNT		0x414
+#define DNET_TX_JUMBO_CNT		0x418
+#define DNET_TX_BYTE_CNT		0x41C
+
+/* SOME INTERNAL MAC-CORE REGISTER */
+#define DNET_INTERNAL_MODE_REG		0x0
+#define DNET_INTERNAL_RXTX_CONTROL_REG	0x2
+#define DNET_INTERNAL_MAX_PKT_SIZE_REG	0x4
+#define DNET_INTERNAL_IGP_REG		0x8
+#define DNET_INTERNAL_MAC_ADDR_0_REG	0xa
+#define DNET_INTERNAL_MAC_ADDR_1_REG	0xc
+#define DNET_INTERNAL_MAC_ADDR_2_REG	0xe
+#define DNET_INTERNAL_TX_RX_STS_REG	0x12
+#define DNET_INTERNAL_GMII_MNG_CTL_REG	0x14
+#define DNET_INTERNAL_GMII_MNG_DAT_REG	0x16
+
+#define DNET_INTERNAL_GMII_MNG_CMD_FIN	(1 << 14)
+
+#define DNET_INTERNAL_WRITE		(1 << 31)
+
+/* MAC-CORE REGISTER FIELDS */
+
+/* MAC-CORE MODE REGISTER FIELDS */
+#define DNET_INTERNAL_MODE_GBITEN			(1 << 0)
+#define DNET_INTERNAL_MODE_FCEN				(1 << 1)
+#define DNET_INTERNAL_MODE_RXEN				(1 << 2)
+#define DNET_INTERNAL_MODE_TXEN				(1 << 3)
+
+/* MAC-CORE RXTX CONTROL REGISTER FIELDS */
+#define DNET_INTERNAL_RXTX_CONTROL_RXSHORTFRAME		(1 << 8)
+#define DNET_INTERNAL_RXTX_CONTROL_RXBROADCAST		(1 << 7)
+#define DNET_INTERNAL_RXTX_CONTROL_RXMULTICAST		(1 << 4)
+#define DNET_INTERNAL_RXTX_CONTROL_RXPAUSE		(1 << 3)
+#define DNET_INTERNAL_RXTX_CONTROL_DISTXFCS		(1 << 2)
+#define DNET_INTERNAL_RXTX_CONTROL_DISCFXFCS		(1 << 1)
+#define DNET_INTERNAL_RXTX_CONTROL_ENPROMISC		(1 << 0)
+#define DNET_INTERNAL_RXTX_CONTROL_DROPCONTROL		(1 << 6)
+#define DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP	(1 << 5)
+
+/* SYSTEM CONTROL REGISTER FIELDS */
+#define DNET_SYS_CTL_IGNORENEXTPKT			(1 << 0)
+#define DNET_SYS_CTL_SENDPAUSE				(1 << 2)
+#define DNET_SYS_CTL_RXFIFOFLUSH			(1 << 3)
+#define DNET_SYS_CTL_TXFIFOFLUSH			(1 << 4)
+
+/* TX STATUS REGISTER FIELDS */
+#define DNET_TX_STATUS_FIFO_ALMOST_EMPTY		(1 << 2)
+#define DNET_TX_STATUS_FIFO_ALMOST_FULL			(1 << 1)
+
+/* INTERRUPT SOURCE REGISTER FIELDS */
+#define DNET_INTR_SRC_TX_PKTSENT			(1 << 0)
+#define DNET_INTR_SRC_TX_FIFOAF				(1 << 1)
+#define DNET_INTR_SRC_TX_FIFOAE				(1 << 2)
+#define DNET_INTR_SRC_TX_DISCFRM			(1 << 3)
+#define DNET_INTR_SRC_TX_FIFOFULL			(1 << 4)
+#define DNET_INTR_SRC_RX_CMDFIFOAF			(1 << 8)
+#define DNET_INTR_SRC_RX_CMDFIFOFF			(1 << 9)
+#define DNET_INTR_SRC_RX_DATAFIFOFF			(1 << 10)
+#define DNET_INTR_SRC_TX_SUMMARY			(1 << 16)
+#define DNET_INTR_SRC_RX_SUMMARY			(1 << 17)
+#define DNET_INTR_SRC_PHY				(1 << 19)
+
+/* INTERRUPT ENABLE REGISTER FIELDS */
+#define DNET_INTR_ENB_TX_PKTSENT			(1 << 0)
+#define DNET_INTR_ENB_TX_FIFOAF				(1 << 1)
+#define DNET_INTR_ENB_TX_FIFOAE				(1 << 2)
+#define DNET_INTR_ENB_TX_DISCFRM			(1 << 3)
+#define DNET_INTR_ENB_TX_FIFOFULL			(1 << 4)
+#define DNET_INTR_ENB_RX_PKTRDY				(1 << 8)
+#define DNET_INTR_ENB_RX_FIFOAF				(1 << 9)
+#define DNET_INTR_ENB_RX_FIFOERR			(1 << 10)
+#define DNET_INTR_ENB_RX_ERROR				(1 << 11)
+#define DNET_INTR_ENB_RX_FIFOFULL			(1 << 12)
+#define DNET_INTR_ENB_RX_FIFOAE				(1 << 13)
+#define DNET_INTR_ENB_TX_SUMMARY			(1 << 16)
+#define DNET_INTR_ENB_RX_SUMMARY			(1 << 17)
+#define DNET_INTR_ENB_GLOBAL_ENABLE			(1 << 18)
+
+/* default values:
+ * almost empty = less than one full sized ethernet frame (no jumbo) inside
+ * the fifo almost full = can write less than one full sized ethernet frame
+ * (no jumbo) inside the fifo
+ */
+#define DNET_CFG_TX_FIFO_FULL_THRES	25
+#define DNET_CFG_RX_FIFO_FULL_THRES	20
+
+/*
+ * Capabilities. Used by the driver to know the capabilities that the ethernet
+ * controller inside the FPGA have.
+ */
+
+#define DNET_HAS_MDIO		(1 << 0)
+#define DNET_HAS_IRQ		(1 << 1)
+#define DNET_HAS_GIGABIT	(1 << 2)
+#define DNET_HAS_DMA		(1 << 3)
+
+#define DNET_HAS_MII		(1 << 4) /* or GMII */
+#define DNET_HAS_RMII		(1 << 5) /* or RGMII */
+
+#define DNET_CAPS_MASK		0xFFFF
+
+#define DNET_FIFO_SIZE		1024 /* 1K x 32 bit */
+#define DNET_FIFO_TX_DATA_AF_TH	(DNET_FIFO_SIZE - 384) /* 384 = 1536 / 4 */
+#define DNET_FIFO_TX_DATA_AE_TH	384
+
+#define DNET_FIFO_RX_CMD_AF_TH	(1 << 16) /* just one frame inside the FIFO */
+
+/*
+ * Hardware-collected statistics.
+ */
+struct dnet_stats {
+	u32 rx_pkt_ignr;
+	u32 rx_len_chk_err;
+	u32 rx_lng_frm;
+	u32 rx_shrt_frm;
+	u32 rx_ipg_viol;
+	u32 rx_crc_err;
+	u32 rx_ok_pkt;
+	u32 rx_ctl_frm;
+	u32 rx_pause_frm;
+	u32 rx_multicast;
+	u32 rx_broadcast;
+	u32 rx_vlan_tag;
+	u32 rx_pre_shrink;
+	u32 rx_drib_nib;
+	u32 rx_unsup_opcd;
+	u32 rx_byte;
+	u32 tx_unicast;
+	u32 tx_pause_frm;
+	u32 tx_multicast;
+	u32 tx_brdcast;
+	u32 tx_vlan_tag;
+	u32 tx_bad_fcs;
+	u32 tx_jumbo;
+	u32 tx_byte;
+};
+
+struct dnet {
+	void __iomem			*regs;
+	spinlock_t			lock;
+	struct platform_device		*pdev;
+	struct net_device		*dev;
+	struct dnet_stats		hw_stats;
+	unsigned int			capabilities; /* read from FPGA */
+	struct napi_struct		napi;
+
+	/* PHY stuff */
+	struct mii_bus			*mii_bus;
+	struct phy_device		*phy_dev;
+	unsigned int			link;
+	unsigned int			speed;
+	unsigned int			duplex;
+};
+
+#endif /* _DNET_H */

drivers/net/ibm_newemac/core.c

@@ -2594,6 +2594,9 @@ static int __devinit emac_init_config(struct emac_instance *dev)
 		if (of_device_is_compatible(np, "ibm,emac-460ex") ||
 		    of_device_is_compatible(np, "ibm,emac-460gt"))
 			dev->features |= EMAC_FTR_460EX_PHY_CLK_FIX;
+		if (of_device_is_compatible(np, "ibm,emac-405ex") ||
+		    of_device_is_compatible(np, "ibm,emac-405exr"))
+			dev->features |= EMAC_FTR_440EP_PHY_CLK_FIX;
 	} else if (of_device_is_compatible(np, "ibm,emac4")) {
 		dev->features |= EMAC_FTR_EMAC4;
 		if (of_device_is_compatible(np, "ibm,emac-440gx"))

drivers/net/igb/igb_main.c

@@ -1023,11 +1023,10 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	struct net_device *netdev;
 	struct igb_adapter *adapter;
 	struct e1000_hw *hw;
-	struct pci_dev *us_dev;
 	const struct e1000_info *ei = igb_info_tbl[ent->driver_data];
 	unsigned long mmio_start, mmio_len;
-	int i, err, pci_using_dac, pos;
-	u16 eeprom_data = 0, state = 0;
+	int i, err, pci_using_dac;
+	u16 eeprom_data = 0;
 	u16 eeprom_apme_mask = IGB_EEPROM_APME;
 	u32 part_num;
 	int bars, need_ioport;
@@ -1062,27 +1061,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 		}
 	}
 
-	/* 82575 requires that the pci-e link partner disable the L0s state */
-	switch (pdev->device) {
-	case E1000_DEV_ID_82575EB_COPPER:
-	case E1000_DEV_ID_82575EB_FIBER_SERDES:
-	case E1000_DEV_ID_82575GB_QUAD_COPPER:
-		us_dev = pdev->bus->self;
-		pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
-		if (pos) {
-			pci_read_config_word(us_dev, pos + PCI_EXP_LNKCTL,
-			                     &state);
-			state &= ~PCIE_LINK_STATE_L0S;
-			pci_write_config_word(us_dev, pos + PCI_EXP_LNKCTL,
-			                      state);
-			dev_info(&pdev->dev,
-				 "Disabling ASPM L0s upstream switch port %s\n",
-				 pci_name(us_dev));
-		}
-	default:
-		break;
-	}
-
 	err = pci_request_selected_regions(pdev, bars, igb_driver_name);
 	if (err)
 		goto err_pci_reg;

drivers/net/ixgbe/ixgbe_main.c

@@ -3973,6 +3973,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
 	.ndo_stop		= ixgbe_close,
 	.ndo_start_xmit		= ixgbe_xmit_frame,
 	.ndo_get_stats		= ixgbe_get_stats,
+	.ndo_set_rx_mode        = ixgbe_set_rx_mode,
 	.ndo_set_multicast_list	= ixgbe_set_rx_mode,
 	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_set_mac_address	= ixgbe_set_mac,

drivers/net/mv643xx_eth.c

@@ -2029,11 +2029,6 @@ static void port_start(struct mv643xx_eth_private *mp)
 		txq_set_fixed_prio_mode(txq);
 	}
 
-	/*
-	 * Add configured unicast address to address filter table.
-	 */
-	mv643xx_eth_program_unicast_filter(mp->dev);
-
 	/*
 	 * Receive all unmatched unicast, TCP, UDP, BPDU and broadcast
 	 * frames to RX queue #0, and include the pseudo-header when
@@ -2046,6 +2041,11 @@ static void port_start(struct mv643xx_eth_private *mp)
 	 */
 	wrlp(mp, PORT_CONFIG_EXT, 0x00000000);
 
+	/*
+	 * Add configured unicast addresses to address filter table.
+	 */
+	mv643xx_eth_program_unicast_filter(mp->dev);
+
 	/*
 	 * Enable the receive queues.
 	 */

drivers/net/netxen/netxen_nic.h

@@ -1595,7 +1595,6 @@ dma_watchdog_wakeup(struct netxen_adapter *adapter)
 }
 
 
-int netxen_is_flash_supported(struct netxen_adapter *adapter);
 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
 int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
 extern void netxen_change_ringparam(struct netxen_adapter *adapter);

drivers/net/netxen/netxen_nic_hw.c

@@ -706,28 +706,6 @@ int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
 	return rc;
 }
 
-int netxen_is_flash_supported(struct netxen_adapter *adapter)
-{
-	const int locs[] = { 0, 0x4, 0x100, 0x4000, 0x4128 };
-	int addr, val01, val02, i, j;
-
-	/* if the flash size less than 4Mb, make huge war cry and die */
-	for (j = 1; j < 4; j++) {
-		addr = j * NETXEN_NIC_WINDOW_MARGIN;
-		for (i = 0; i < ARRAY_SIZE(locs); i++) {
-			if (netxen_rom_fast_read(adapter, locs[i], &val01) == 0
-			    && netxen_rom_fast_read(adapter, (addr + locs[i]),
-						    &val02) == 0) {
-				if (val01 == val02)
-					return -1;
-			} else
-				return -1;
-		}
-	}
-
-	return 0;
-}
-
 static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
 				  int size, __le32 * buf)
 {

drivers/net/netxen/netxen_nic_main.c

@@ -405,9 +405,6 @@ netxen_read_mac_addr(struct netxen_adapter *adapter)
 	struct net_device *netdev = adapter->netdev;
 	struct pci_dev *pdev = adapter->pdev;
 
-	if (netxen_is_flash_supported(adapter) != 0)
-		return -EIO;
-
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
 		if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
 			return -EIO;

drivers/net/qlge/qlge.h

@@ -927,6 +927,7 @@ struct ib_mac_iocb_rsp {
 	u8 flags1;
 #define IB_MAC_IOCB_RSP_OI	0x01	/* Overide intr delay */
 #define IB_MAC_IOCB_RSP_I	0x02	/* Disble Intr Generation */
+#define IB_MAC_CSUM_ERR_MASK 0x1c	/* A mask to use for csum errs */
 #define IB_MAC_IOCB_RSP_TE	0x04	/* Checksum error */
 #define IB_MAC_IOCB_RSP_NU	0x08	/* No checksum rcvd */
 #define IB_MAC_IOCB_RSP_IE	0x10	/* IPv4 checksum error */

drivers/net/qlge/qlge_main.c

@@ -1436,18 +1436,32 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 	if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_P) {
 		QPRINTK(qdev, RX_STATUS, DEBUG, "Promiscuous Packet.\n");
 	}
-	if (ib_mac_rsp->flags1 & (IB_MAC_IOCB_RSP_IE | IB_MAC_IOCB_RSP_TE)) {
-		QPRINTK(qdev, RX_STATUS, ERR,
-			"Bad checksum for this %s packet.\n",
-			((ib_mac_rsp->
-			  flags2 & IB_MAC_IOCB_RSP_T) ? "TCP" : "UDP"));
-		skb->ip_summed = CHECKSUM_NONE;
-	} else if (qdev->rx_csum &&
-		   ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_T) ||
-		    ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_U) &&
-		     !(ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_NU)))) {
-		QPRINTK(qdev, RX_STATUS, DEBUG, "RX checksum done!\n");
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+	skb->protocol = eth_type_trans(skb, ndev);
+	skb->ip_summed = CHECKSUM_NONE;
+
+	/* If rx checksum is on, and there are no
+	 * csum or frame errors.
+	 */
+	if (qdev->rx_csum &&
+		!(ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) &&
+		!(ib_mac_rsp->flags1 & IB_MAC_CSUM_ERR_MASK)) {
+		/* TCP frame. */
+		if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_T) {
+			QPRINTK(qdev, RX_STATUS, DEBUG,
+					"TCP checksum done!\n");
+			skb->ip_summed = CHECKSUM_UNNECESSARY;
+		} else if ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_U) &&
+				(ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_V4)) {
+		/* Unfragmented ipv4 UDP frame. */
+			struct iphdr *iph = (struct iphdr *) skb->data;
+			if (!(iph->frag_off &
+				cpu_to_be16(IP_MF|IP_OFFSET))) {
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+				QPRINTK(qdev, RX_STATUS, DEBUG,
+						"TCP checksum done!\n");
+			}
+		}
 	}
 	qdev->stats.rx_packets++;
 	qdev->stats.rx_bytes += skb->len;
@@ -1927,6 +1941,9 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev)
 
 	tx_ring = &qdev->tx_ring[tx_ring_idx];
 
+	if (skb_padto(skb, ETH_ZLEN))
+		return NETDEV_TX_OK;
+
 	if (unlikely(atomic_read(&tx_ring->tx_count) < 2)) {
 		QPRINTK(qdev, TX_QUEUED, INFO,
 			"%s: shutting down tx queue %d du to lack of resources.\n",
@@ -2970,9 +2987,9 @@ static int ql_adapter_initialize(struct ql_adapter *qdev)
 	mask = value << 16;
 	ql_write32(qdev, SYS, mask | value);
 
-	/* Set the default queue. */
-	value = NIC_RCV_CFG_DFQ;
-	mask = NIC_RCV_CFG_DFQ_MASK;
+	/* Set the default queue, and VLAN behavior. */
+	value = NIC_RCV_CFG_DFQ | NIC_RCV_CFG_RV;
+	mask = NIC_RCV_CFG_DFQ_MASK | (NIC_RCV_CFG_RV << 16);
 	ql_write32(qdev, NIC_RCV_CFG, (mask | value));
 
 	/* Set the MPI interrupt to enabled. */
@@ -3149,6 +3166,11 @@ static int ql_adapter_down(struct ql_adapter *qdev)
 
 	ql_tx_ring_clean(qdev);
 
+	/* Call netif_napi_del() from common point.
+	 */
+	for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++)
+		netif_napi_del(&qdev->rx_ring[i].napi);
+
 	spin_lock(&qdev->hw_lock);
 	status = ql_adapter_reset(qdev);
 	if (status)
@@ -3853,7 +3875,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state)
 {
 	struct net_device *ndev = pci_get_drvdata(pdev);
 	struct ql_adapter *qdev = netdev_priv(ndev);
-	int err, i;
+	int err;
 
 	netif_device_detach(ndev);
 
@@ -3863,9 +3885,6 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state)
 			return err;
 	}
 
-	for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++)
-		netif_napi_del(&qdev->rx_ring[i].napi);
-
 	err = pci_save_state(pdev);
 	if (err)
 		return err;

drivers/net/r8169.c

@@ -81,9 +81,9 @@ static const int multicast_filter_limit = 32;
 #define RTL8169_TX_TIMEOUT	(6*HZ)
 #define RTL8169_PHY_TIMEOUT	(10*HZ)
 
-#define RTL_EEPROM_SIG		0x8129
+#define RTL_EEPROM_SIG		cpu_to_le32(0x8129)
+#define RTL_EEPROM_SIG_MASK	cpu_to_le32(0xffff)
 #define RTL_EEPROM_SIG_ADDR	0x0000
-#define RTL_EEPROM_MAC_ADDR	0x0007
 
 /* write/read MMIO register */
 #define RTL_W8(reg, val8)	writeb ((val8), ioaddr + (reg))
@@ -293,11 +293,6 @@ enum rtl_register_content {
 	/* Cfg9346Bits */
 	Cfg9346_Lock	= 0x00,
 	Cfg9346_Unlock	= 0xc0,
-	Cfg9346_Program	= 0x80,		/* Programming mode */
-	Cfg9346_EECS	= 0x08,		/* Chip select */
-	Cfg9346_EESK	= 0x04,		/* Serial data clock */
-	Cfg9346_EEDI	= 0x02,		/* Data input */
-	Cfg9346_EEDO	= 0x01,		/* Data output */
 
 	/* rx_mode_bits */
 	AcceptErr	= 0x20,
@@ -310,7 +305,6 @@ enum rtl_register_content {
 	/* RxConfigBits */
 	RxCfgFIFOShift	= 13,
 	RxCfgDMAShift	=  8,
-	RxCfg9356SEL	=  6, 		/* EEPROM type: 0 = 9346, 1 = 9356 */
 
 	/* TxConfigBits */
 	TxInterFrameGapShift = 24,
@@ -1969,108 +1963,6 @@ static const struct net_device_ops rtl8169_netdev_ops = {
 
 };
 
-/* Delay between EEPROM clock transitions. Force out buffered PCI writes. */
-#define RTL_EEPROM_DELAY()	RTL_R8(Cfg9346)
-#define RTL_EEPROM_READ_CMD	6
-
-/* read 16bit word stored in EEPROM. EEPROM is addressed by words. */
-static u16 rtl_eeprom_read(void __iomem *ioaddr, int addr)
-{
-	u16 result = 0;
-	int cmd, cmd_len, i;
-
-	/* check for EEPROM address size (in bits) */
-	if (RTL_R32(RxConfig) & (1 << RxCfg9356SEL)) {
-		/* EEPROM is 93C56 */
-		cmd_len = 3 + 8; /* 3 bits for command id and 8 for address */
-		cmd = (RTL_EEPROM_READ_CMD << 8) | (addr & 0xff);
-	} else {
-		/* EEPROM is 93C46 */
-		cmd_len = 3 + 6; /* 3 bits for command id and 6 for address */
-		cmd = (RTL_EEPROM_READ_CMD << 6) | (addr & 0x3f);
-	}
-
-	/* enter programming mode */
-	RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
-	RTL_EEPROM_DELAY();
-
-	/* write command and requested address */
-	while (cmd_len--) {
-		u8 x = Cfg9346_Program | Cfg9346_EECS;
-
-		x |= (cmd & (1 << cmd_len)) ? Cfg9346_EEDI : 0;
-
-		/* write a bit */
-		RTL_W8(Cfg9346, x);
-		RTL_EEPROM_DELAY();
-
-		/* raise clock */
-		RTL_W8(Cfg9346, x | Cfg9346_EESK);
-		RTL_EEPROM_DELAY();
-	}
-
-	/* lower clock */
-	RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
-	RTL_EEPROM_DELAY();
-
-	/* read back 16bit value */
-	for (i = 16; i > 0; i--) {
-		/* raise clock */
-		RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS | Cfg9346_EESK);
-		RTL_EEPROM_DELAY();
-
-		result <<= 1;
-		result |= (RTL_R8(Cfg9346) & Cfg9346_EEDO) ? 1 : 0;
-
-		/* lower clock */
-		RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
-		RTL_EEPROM_DELAY();
-	}
-
-	RTL_W8(Cfg9346, Cfg9346_Program);
-	/* leave programming mode */
-	RTL_W8(Cfg9346, Cfg9346_Lock);
-
-	return result;
-}
-
-static void rtl_init_mac_address(struct rtl8169_private *tp,
-				 void __iomem *ioaddr)
-{
-	struct pci_dev *pdev = tp->pci_dev;
-	u16 x;
-	u8 mac[8];
-
-	/* read EEPROM signature */
-	x = rtl_eeprom_read(ioaddr, RTL_EEPROM_SIG_ADDR);
-
-	if (x != RTL_EEPROM_SIG) {
-		dev_info(&pdev->dev, "Missing EEPROM signature: %04x\n", x);
-		return;
-	}
-
-	/* read MAC address */
-	x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR);
-	mac[0] = x & 0xff;
-	mac[1] = x >> 8;
-	x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR + 1);
-	mac[2] = x & 0xff;
-	mac[3] = x >> 8;
-	x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR + 2);
-	mac[4] = x & 0xff;
-	mac[5] = x >> 8;
-
-	if (netif_msg_probe(tp)) {
-		DECLARE_MAC_BUF(buf);
-
-		dev_info(&pdev->dev, "MAC address found in EEPROM: %s\n",
-			 print_mac(buf, mac));
-	}
-
-	if (is_valid_ether_addr(mac))
-		rtl_rar_set(tp, mac);
-}
-
 static int __devinit
 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
@@ -2249,8 +2141,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	tp->mmio_addr = ioaddr;
 
-	rtl_init_mac_address(tp, ioaddr);
-
 	/* Get MAC address */
 	for (i = 0; i < MAC_ADDR_LEN; i++)
 		dev->dev_addr[i] = RTL_R8(MAC0 + i);
@@ -3363,13 +3253,6 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		opts1 |= FirstFrag;
 	} else {
 		len = skb->len;
-
-		if (unlikely(len < ETH_ZLEN)) {
-			if (skb_padto(skb, ETH_ZLEN))
-				goto err_update_stats;
-			len = ETH_ZLEN;
-		}
-
 		opts1 |= FirstFrag | LastFrag;
 		tp->tx_skb[entry].skb = skb;
 	}
@@ -3407,7 +3290,6 @@ out:
 err_stop:
 	netif_stop_queue(dev);
 	ret = NETDEV_TX_BUSY;
-err_update_stats:
 	dev->stats.tx_dropped++;
 	goto out;
 }

drivers/net/via-velocity.c

@@ -1838,17 +1838,19 @@ static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_
 {
 	struct sk_buff *skb = tdinfo->skb;
 	int i;
+	int pktlen;
 
 	/*
 	 *	Don't unmap the pre-allocated tx_bufs
 	 */
 	if (tdinfo->skb_dma) {
 
+		pktlen = (skb->len > ETH_ZLEN ? : ETH_ZLEN);
 		for (i = 0; i < tdinfo->nskb_dma; i++) {
 #ifdef VELOCITY_ZERO_COPY_SUPPORT
 			pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], le16_to_cpu(td->tdesc1.len), PCI_DMA_TODEVICE);
 #else
-			pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], skb->len, PCI_DMA_TODEVICE);
+			pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], pktlen, PCI_DMA_TODEVICE);
 #endif
 			tdinfo->skb_dma[i] = 0;
 		}
@@ -2080,17 +2082,14 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct tx_desc *td_ptr;
 	struct velocity_td_info *tdinfo;
 	unsigned long flags;
-	int pktlen = skb->len;
+	int pktlen;
 	__le16 len;
 	int index;
 
 
-
-	if (skb->len < ETH_ZLEN) {
-		if (skb_padto(skb, ETH_ZLEN))
-			goto out;
-		pktlen = ETH_ZLEN;
-	}
+	if (skb_padto(skb, ETH_ZLEN))
+		goto out;
+	pktlen = max_t(unsigned int, skb->len, ETH_ZLEN);
 
 	len = cpu_to_le16(pktlen);
 

net/ipv6/af_inet6.c

@@ -1192,6 +1192,9 @@ module_init(inet6_init);
 
 static void __exit inet6_exit(void)
 {
+	if (disable_ipv6)
+		return;
+
 	/* First of all disallow new sockets creation. */
 	sock_unregister(PF_INET6);
 	/* Disallow any further netlink messages */

net/xfrm/xfrm_state.c

@@ -748,12 +748,51 @@ static void xfrm_hash_grow_check(struct net *net, int have_hash_collision)
 		schedule_work(&net->xfrm.state_hash_work);
 }
 
+static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x,
+			       struct flowi *fl, unsigned short family,
+			       xfrm_address_t *daddr, xfrm_address_t *saddr,
+			       struct xfrm_state **best, int *acq_in_progress,
+			       int *error)
+{
+	/* Resolution logic:
+	 * 1. There is a valid state with matching selector. Done.
+	 * 2. Valid state with inappropriate selector. Skip.
+	 *
+	 * Entering area of "sysdeps".
+	 *
+	 * 3. If state is not valid, selector is temporary, it selects
+	 *    only session which triggered previous resolution. Key
+	 *    manager will do something to install a state with proper
+	 *    selector.
+	 */
+	if (x->km.state == XFRM_STATE_VALID) {
+		if ((x->sel.family &&
+		     !xfrm_selector_match(&x->sel, fl, x->sel.family)) ||
+		    !security_xfrm_state_pol_flow_match(x, pol, fl))
+			return;
+
+		if (!*best ||
+		    (*best)->km.dying > x->km.dying ||
+		    ((*best)->km.dying == x->km.dying &&
+		     (*best)->curlft.add_time < x->curlft.add_time))
+			*best = x;
+	} else if (x->km.state == XFRM_STATE_ACQ) {
+		*acq_in_progress = 1;
+	} else if (x->km.state == XFRM_STATE_ERROR ||
+		   x->km.state == XFRM_STATE_EXPIRED) {
+		if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
+		    security_xfrm_state_pol_flow_match(x, pol, fl))
+			*error = -ESRCH;
+	}
+}
+
 struct xfrm_state *
 xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
 		struct flowi *fl, struct xfrm_tmpl *tmpl,
 		struct xfrm_policy *pol, int *err,
 		unsigned short family)
 {
+	static xfrm_address_t saddr_wildcard = { };
 	struct net *net = xp_net(pol);
 	unsigned int h;
 	struct hlist_node *entry;
@@ -773,40 +812,27 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
 		    xfrm_state_addr_check(x, daddr, saddr, family) &&
 		    tmpl->mode == x->props.mode &&
 		    tmpl->id.proto == x->id.proto &&
-		    (tmpl->id.spi == x->id.spi || !tmpl->id.spi)) {
-			/* Resolution logic:
-			   1. There is a valid state with matching selector.
-			      Done.
-			   2. Valid state with inappropriate selector. Skip.
-
-			   Entering area of "sysdeps".
-
-			   3. If state is not valid, selector is temporary,
-			      it selects only session which triggered
-			      previous resolution. Key manager will do
-			      something to install a state with proper
-			      selector.
-			 */
-			if (x->km.state == XFRM_STATE_VALID) {
-				if ((x->sel.family && !xfrm_selector_match(&x->sel, fl, x->sel.family)) ||
-				    !security_xfrm_state_pol_flow_match(x, pol, fl))
-					continue;
-				if (!best ||
-				    best->km.dying > x->km.dying ||
-				    (best->km.dying == x->km.dying &&
-				     best->curlft.add_time < x->curlft.add_time))
-					best = x;
-			} else if (x->km.state == XFRM_STATE_ACQ) {
-				acquire_in_progress = 1;
-			} else if (x->km.state == XFRM_STATE_ERROR ||
-				   x->km.state == XFRM_STATE_EXPIRED) {
-				if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
-				    security_xfrm_state_pol_flow_match(x, pol, fl))
-					error = -ESRCH;
-			}
-		}
+		    (tmpl->id.spi == x->id.spi || !tmpl->id.spi))
+			xfrm_state_look_at(pol, x, fl, family, daddr, saddr,
+					   &best, &acquire_in_progress, &error);
+	}
+	if (best)
+		goto found;
+
+	h = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family);
+	hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
+		if (x->props.family == family &&
+		    x->props.reqid == tmpl->reqid &&
+		    !(x->props.flags & XFRM_STATE_WILDRECV) &&
+		    xfrm_state_addr_check(x, daddr, saddr, family) &&
+		    tmpl->mode == x->props.mode &&
+		    tmpl->id.proto == x->id.proto &&
+		    (tmpl->id.spi == x->id.spi || !tmpl->id.spi))
+			xfrm_state_look_at(pol, x, fl, family, daddr, saddr,
+					   &best, &acquire_in_progress, &error);
 	}
 
+found:
 	x = best;
 	if (!x && !error && !acquire_in_progress) {
 		if (tmpl->id.spi &&