myri*: Move the Myricom drivers

Move the Myricom drivers into drivers/net/ethernet/myricom/ and make
the necessary Kconfig and Makefile changes.

CC: Andrew Gallatin <gallatin@myri.com>
CC: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 4236 deletions

diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
deleted file mode 100644
index 1d22475..0000000
--- a/drivers/net/myri10ge/myri10ge.c
+++ /dev/null
@@ -1,4236 +0,0 @@
-/*************************************************************************
- * myri10ge.c: Myricom Myri-10G Ethernet driver.
- *
- * Copyright (C) 2005 - 2011 Myricom, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Myricom, Inc. nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- *
- * If the eeprom on your board is not recent enough, you will need to get a
- * newer firmware image at:
- *   http://www.myri.com/scs/download-Myri10GE.html
- *
- * Contact Information:
- *   <help@myri.com>
- *   Myricom, Inc., 325N Santa Anita Avenue, Arcadia, CA 91006
- *************************************************************************/
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/tcp.h>
-#include <linux/netdevice.h>
-#include <linux/skbuff.h>
-#include <linux/string.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/dma-mapping.h>
-#include <linux/etherdevice.h>
-#include <linux/if_ether.h>
-#include <linux/if_vlan.h>
-#include <linux/inet_lro.h>
-#include <linux/dca.h>
-#include <linux/ip.h>
-#include <linux/inet.h>
-#include <linux/in.h>
-#include <linux/ethtool.h>
-#include <linux/firmware.h>
-#include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/vmalloc.h>
-#include <linux/crc32.h>
-#include <linux/moduleparam.h>
-#include <linux/io.h>
-#include <linux/log2.h>
-#include <linux/slab.h>
-#include <linux/prefetch.h>
-#include <net/checksum.h>
-#include <net/ip.h>
-#include <net/tcp.h>
-#include <asm/byteorder.h>
-#include <asm/io.h>
-#include <asm/processor.h>
-#ifdef CONFIG_MTRR
-#include <asm/mtrr.h>
-#endif
-
-#include "myri10ge_mcp.h"
-#include "myri10ge_mcp_gen_header.h"
-
-#define MYRI10GE_VERSION_STR "1.5.3-1.534"
-
-MODULE_DESCRIPTION("Myricom 10G driver (10GbE)");
-MODULE_AUTHOR("Maintainer: help@myri.com");
-MODULE_VERSION(MYRI10GE_VERSION_STR);
-MODULE_LICENSE("Dual BSD/GPL");
-
-#define MYRI10GE_MAX_ETHER_MTU 9014
-
-#define MYRI10GE_ETH_STOPPED 0
-#define MYRI10GE_ETH_STOPPING 1
-#define MYRI10GE_ETH_STARTING 2
-#define MYRI10GE_ETH_RUNNING 3
-#define MYRI10GE_ETH_OPEN_FAILED 4
-
-#define MYRI10GE_EEPROM_STRINGS_SIZE 256
-#define MYRI10GE_MAX_SEND_DESC_TSO ((65536 / 2048) * 2)
-#define MYRI10GE_MAX_LRO_DESCRIPTORS 8
-#define MYRI10GE_LRO_MAX_PKTS 64
-
-#define MYRI10GE_NO_CONFIRM_DATA htonl(0xffffffff)
-#define MYRI10GE_NO_RESPONSE_RESULT 0xffffffff
-
-#define MYRI10GE_ALLOC_ORDER 0
-#define MYRI10GE_ALLOC_SIZE ((1 << MYRI10GE_ALLOC_ORDER) * PAGE_SIZE)
-#define MYRI10GE_MAX_FRAGS_PER_FRAME (MYRI10GE_MAX_ETHER_MTU/MYRI10GE_ALLOC_SIZE + 1)
-
-#define MYRI10GE_MAX_SLICES 32
-
-struct myri10ge_rx_buffer_state {
-	struct page *page;
-	int page_offset;
-	DEFINE_DMA_UNMAP_ADDR(bus);
-	DEFINE_DMA_UNMAP_LEN(len);
-};
-
-struct myri10ge_tx_buffer_state {
-	struct sk_buff *skb;
-	int last;
-	DEFINE_DMA_UNMAP_ADDR(bus);
-	DEFINE_DMA_UNMAP_LEN(len);
-};
-
-struct myri10ge_cmd {
-	u32 data0;
-	u32 data1;
-	u32 data2;
-};
-
-struct myri10ge_rx_buf {
-	struct mcp_kreq_ether_recv __iomem *lanai;	/* lanai ptr for recv ring */
-	struct mcp_kreq_ether_recv *shadow;	/* host shadow of recv ring */
-	struct myri10ge_rx_buffer_state *info;
-	struct page *page;
-	dma_addr_t bus;
-	int page_offset;
-	int cnt;
-	int fill_cnt;
-	int alloc_fail;
-	int mask;		/* number of rx slots -1 */
-	int watchdog_needed;
-};
-
-struct myri10ge_tx_buf {
-	struct mcp_kreq_ether_send __iomem *lanai;	/* lanai ptr for sendq */
-	__be32 __iomem *send_go;	/* "go" doorbell ptr */
-	__be32 __iomem *send_stop;	/* "stop" doorbell ptr */
-	struct mcp_kreq_ether_send *req_list;	/* host shadow of sendq */
-	char *req_bytes;
-	struct myri10ge_tx_buffer_state *info;
-	int mask;		/* number of transmit slots -1  */
-	int req ____cacheline_aligned;	/* transmit slots submitted     */
-	int pkt_start;		/* packets started */
-	int stop_queue;
-	int linearized;
-	int done ____cacheline_aligned;	/* transmit slots completed     */
-	int pkt_done;		/* packets completed */
-	int wake_queue;
-	int queue_active;
-};
-
-struct myri10ge_rx_done {
-	struct mcp_slot *entry;
-	dma_addr_t bus;
-	int cnt;
-	int idx;
-	struct net_lro_mgr lro_mgr;
-	struct net_lro_desc lro_desc[MYRI10GE_MAX_LRO_DESCRIPTORS];
-};
-
-struct myri10ge_slice_netstats {
-	unsigned long rx_packets;
-	unsigned long tx_packets;
-	unsigned long rx_bytes;
-	unsigned long tx_bytes;
-	unsigned long rx_dropped;
-	unsigned long tx_dropped;
-};
-
-struct myri10ge_slice_state {
-	struct myri10ge_tx_buf tx;	/* transmit ring        */
-	struct myri10ge_rx_buf rx_small;
-	struct myri10ge_rx_buf rx_big;
-	struct myri10ge_rx_done rx_done;
-	struct net_device *dev;
-	struct napi_struct napi;
-	struct myri10ge_priv *mgp;
-	struct myri10ge_slice_netstats stats;
-	__be32 __iomem *irq_claim;
-	struct mcp_irq_data *fw_stats;
-	dma_addr_t fw_stats_bus;
-	int watchdog_tx_done;
-	int watchdog_tx_req;
-	int watchdog_rx_done;
-	int stuck;
-#ifdef CONFIG_MYRI10GE_DCA
-	int cached_dca_tag;
-	int cpu;
-	__be32 __iomem *dca_tag;
-#endif
-	char irq_desc[32];
-};
-
-struct myri10ge_priv {
-	struct myri10ge_slice_state *ss;
-	int tx_boundary;	/* boundary transmits cannot cross */
-	int num_slices;
-	int running;		/* running?             */
-	int small_bytes;
-	int big_bytes;
-	int max_intr_slots;
-	struct net_device *dev;
-	u8 __iomem *sram;
-	int sram_size;
-	unsigned long board_span;
-	unsigned long iomem_base;
-	__be32 __iomem *irq_deassert;
-	char *mac_addr_string;
-	struct mcp_cmd_response *cmd;
-	dma_addr_t cmd_bus;
-	struct pci_dev *pdev;
-	int msi_enabled;
-	int msix_enabled;
-	struct msix_entry *msix_vectors;
-#ifdef CONFIG_MYRI10GE_DCA
-	int dca_enabled;
-	int relaxed_order;
-#endif
-	u32 link_state;
-	unsigned int rdma_tags_available;
-	int intr_coal_delay;
-	__be32 __iomem *intr_coal_delay_ptr;
-	int mtrr;
-	int wc_enabled;
-	int down_cnt;
-	wait_queue_head_t down_wq;
-	struct work_struct watchdog_work;
-	struct timer_list watchdog_timer;
-	int watchdog_resets;
-	int watchdog_pause;
-	int pause;
-	bool fw_name_allocated;
-	char *fw_name;
-	char eeprom_strings[MYRI10GE_EEPROM_STRINGS_SIZE];
-	char *product_code_string;
-	char fw_version[128];
-	int fw_ver_major;
-	int fw_ver_minor;
-	int fw_ver_tiny;
-	int adopted_rx_filter_bug;
-	u8 mac_addr[6];		/* eeprom mac address */
-	unsigned long serial_number;
-	int vendor_specific_offset;
-	int fw_multicast_support;
-	u32 features;
-	u32 max_tso6;
-	u32 read_dma;
-	u32 write_dma;
-	u32 read_write_dma;
-	u32 link_changes;
-	u32 msg_enable;
-	unsigned int board_number;
-	int rebooted;
-};
-
-static char *myri10ge_fw_unaligned = "myri10ge_ethp_z8e.dat";
-static char *myri10ge_fw_aligned = "myri10ge_eth_z8e.dat";
-static char *myri10ge_fw_rss_unaligned = "myri10ge_rss_ethp_z8e.dat";
-static char *myri10ge_fw_rss_aligned = "myri10ge_rss_eth_z8e.dat";
-MODULE_FIRMWARE("myri10ge_ethp_z8e.dat");
-MODULE_FIRMWARE("myri10ge_eth_z8e.dat");
-MODULE_FIRMWARE("myri10ge_rss_ethp_z8e.dat");
-MODULE_FIRMWARE("myri10ge_rss_eth_z8e.dat");
-
-/* Careful: must be accessed under kparam_block_sysfs_write */
-static char *myri10ge_fw_name = NULL;
-module_param(myri10ge_fw_name, charp, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_fw_name, "Firmware image name");
-
-#define MYRI10GE_MAX_BOARDS 8
-static char *myri10ge_fw_names[MYRI10GE_MAX_BOARDS] =
-    {[0 ... (MYRI10GE_MAX_BOARDS - 1)] = NULL };
-module_param_array_named(myri10ge_fw_names, myri10ge_fw_names, charp, NULL,
-			 0444);
-MODULE_PARM_DESC(myri10ge_fw_name, "Firmware image names per board");
-
-static int myri10ge_ecrc_enable = 1;
-module_param(myri10ge_ecrc_enable, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_ecrc_enable, "Enable Extended CRC on PCI-E");
-
-static int myri10ge_small_bytes = -1;	/* -1 == auto */
-module_param(myri10ge_small_bytes, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_small_bytes, "Threshold of small packets");
-
-static int myri10ge_msi = 1;	/* enable msi by default */
-module_param(myri10ge_msi, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts");
-
-static int myri10ge_intr_coal_delay = 75;
-module_param(myri10ge_intr_coal_delay, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_intr_coal_delay, "Interrupt coalescing delay");
-
-static int myri10ge_flow_control = 1;
-module_param(myri10ge_flow_control, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_flow_control, "Pause parameter");
-
-static int myri10ge_deassert_wait = 1;
-module_param(myri10ge_deassert_wait, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_deassert_wait,
-		 "Wait when deasserting legacy interrupts");
-
-static int myri10ge_force_firmware = 0;
-module_param(myri10ge_force_firmware, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_force_firmware,
-		 "Force firmware to assume aligned completions");
-
-static int myri10ge_initial_mtu = MYRI10GE_MAX_ETHER_MTU - ETH_HLEN;
-module_param(myri10ge_initial_mtu, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_initial_mtu, "Initial MTU");
-
-static int myri10ge_napi_weight = 64;
-module_param(myri10ge_napi_weight, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_napi_weight, "Set NAPI weight");
-
-static int myri10ge_watchdog_timeout = 1;
-module_param(myri10ge_watchdog_timeout, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_watchdog_timeout, "Set watchdog timeout");
-
-static int myri10ge_max_irq_loops = 1048576;
-module_param(myri10ge_max_irq_loops, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_max_irq_loops,
-		 "Set stuck legacy IRQ detection threshold");
-
-#define MYRI10GE_MSG_DEFAULT NETIF_MSG_LINK
-
-static int myri10ge_debug = -1;	/* defaults above */
-module_param(myri10ge_debug, int, 0);
-MODULE_PARM_DESC(myri10ge_debug, "Debug level (0=none,...,16=all)");
-
-static int myri10ge_lro_max_pkts = MYRI10GE_LRO_MAX_PKTS;
-module_param(myri10ge_lro_max_pkts, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_lro_max_pkts,
-		 "Number of LRO packets to be aggregated");
-
-static int myri10ge_fill_thresh = 256;
-module_param(myri10ge_fill_thresh, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_fill_thresh, "Number of empty rx slots allowed");
-
-static int myri10ge_reset_recover = 1;
-
-static int myri10ge_max_slices = 1;
-module_param(myri10ge_max_slices, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_max_slices, "Max tx/rx queues");
-
-static int myri10ge_rss_hash = MXGEFW_RSS_HASH_TYPE_SRC_DST_PORT;
-module_param(myri10ge_rss_hash, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_rss_hash, "Type of RSS hashing to do");
-
-static int myri10ge_dca = 1;
-module_param(myri10ge_dca, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_dca, "Enable DCA if possible");
-
-#define MYRI10GE_FW_OFFSET 1024*1024
-#define MYRI10GE_HIGHPART_TO_U32(X) \
-(sizeof (X) == 8) ? ((u32)((u64)(X) >> 32)) : (0)
-#define MYRI10GE_LOWPART_TO_U32(X) ((u32)(X))
-
-#define myri10ge_pio_copy(to,from,size) __iowrite64_copy(to,from,size/8)
-
-static void myri10ge_set_multicast_list(struct net_device *dev);
-static netdev_tx_t myri10ge_sw_tso(struct sk_buff *skb,
-					 struct net_device *dev);
-
-static inline void put_be32(__be32 val, __be32 __iomem * p)
-{
-	__raw_writel((__force __u32) val, (__force void __iomem *)p);
-}
-
-static struct rtnl_link_stats64 *myri10ge_get_stats(struct net_device *dev,
-						    struct rtnl_link_stats64 *stats);
-
-static void set_fw_name(struct myri10ge_priv *mgp, char *name, bool allocated)
-{
-	if (mgp->fw_name_allocated)
-		kfree(mgp->fw_name);
-	mgp->fw_name = name;
-	mgp->fw_name_allocated = allocated;
-}
-
-static int
-myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
-		  struct myri10ge_cmd *data, int atomic)
-{
-	struct mcp_cmd *buf;
-	char buf_bytes[sizeof(*buf) + 8];
-	struct mcp_cmd_response *response = mgp->cmd;
-	char __iomem *cmd_addr = mgp->sram + MXGEFW_ETH_CMD;
-	u32 dma_low, dma_high, result, value;
-	int sleep_total = 0;
-
-	/* ensure buf is aligned to 8 bytes */
-	buf = (struct mcp_cmd *)ALIGN((unsigned long)buf_bytes, 8);
-
-	buf->data0 = htonl(data->data0);
-	buf->data1 = htonl(data->data1);
-	buf->data2 = htonl(data->data2);
-	buf->cmd = htonl(cmd);
-	dma_low = MYRI10GE_LOWPART_TO_U32(mgp->cmd_bus);
-	dma_high = MYRI10GE_HIGHPART_TO_U32(mgp->cmd_bus);
-
-	buf->response_addr.low = htonl(dma_low);
-	buf->response_addr.high = htonl(dma_high);
-	response->result = htonl(MYRI10GE_NO_RESPONSE_RESULT);
-	mb();
-	myri10ge_pio_copy(cmd_addr, buf, sizeof(*buf));
-
-	/* wait up to 15ms. Longest command is the DMA benchmark,
-	 * which is capped at 5ms, but runs from a timeout handler
-	 * that runs every 7.8ms. So a 15ms timeout leaves us with
-	 * a 2.2ms margin
-	 */
-	if (atomic) {
-		/* if atomic is set, do not sleep,
-		 * and try to get the completion quickly
-		 * (1ms will be enough for those commands) */
-		for (sleep_total = 0;
-		     sleep_total < 1000 &&
-		     response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
-		     sleep_total += 10) {
-			udelay(10);
-			mb();
-		}
-	} else {
-		/* use msleep for most command */
-		for (sleep_total = 0;
-		     sleep_total < 15 &&
-		     response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
-		     sleep_total++)
-			msleep(1);
-	}
-
-	result = ntohl(response->result);
-	value = ntohl(response->data);
-	if (result != MYRI10GE_NO_RESPONSE_RESULT) {
-		if (result == 0) {
-			data->data0 = value;
-			return 0;
-		} else if (result == MXGEFW_CMD_UNKNOWN) {
-			return -ENOSYS;
-		} else if (result == MXGEFW_CMD_ERROR_UNALIGNED) {
-			return -E2BIG;
-		} else if (result == MXGEFW_CMD_ERROR_RANGE &&
-			   cmd == MXGEFW_CMD_ENABLE_RSS_QUEUES &&
-			   (data->
-			    data1 & MXGEFW_SLICE_ENABLE_MULTIPLE_TX_QUEUES) !=
-			   0) {
-			return -ERANGE;
-		} else {
-			dev_err(&mgp->pdev->dev,
-				"command %d failed, result = %d\n",
-				cmd, result);
-			return -ENXIO;
-		}
-	}
-
-	dev_err(&mgp->pdev->dev, "command %d timed out, result = %d\n",
-		cmd, result);
-	return -EAGAIN;
-}
-
-/*
- * The eeprom strings on the lanaiX have the format
- * SN=x\0
- * MAC=x:x:x:x:x:x\0
- * PT:ddd mmm xx xx:xx:xx xx\0
- * PV:ddd mmm xx xx:xx:xx xx\0
- */
-static int myri10ge_read_mac_addr(struct myri10ge_priv *mgp)
-{
-	char *ptr, *limit;
-	int i;
-
-	ptr = mgp->eeprom_strings;
-	limit = mgp->eeprom_strings + MYRI10GE_EEPROM_STRINGS_SIZE;
-
-	while (*ptr != '\0' && ptr < limit) {
-		if (memcmp(ptr, "MAC=", 4) == 0) {
-			ptr += 4;
-			mgp->mac_addr_string = ptr;
-			for (i = 0; i < 6; i++) {
-				if ((ptr + 2) > limit)
-					goto abort;
-				mgp->mac_addr[i] =
-				    simple_strtoul(ptr, &ptr, 16);
-				ptr += 1;
-			}
-		}
-		if (memcmp(ptr, "PC=", 3) == 0) {
-			ptr += 3;
-			mgp->product_code_string = ptr;
-		}
-		if (memcmp((const void *)ptr, "SN=", 3) == 0) {
-			ptr += 3;
-			mgp->serial_number = simple_strtoul(ptr, &ptr, 10);
-		}
-		while (ptr < limit && *ptr++) ;
-	}
-
-	return 0;
-
-abort:
-	dev_err(&mgp->pdev->dev, "failed to parse eeprom_strings\n");
-	return -ENXIO;
-}
-
-/*
- * Enable or disable periodic RDMAs from the host to make certain
- * chipsets resend dropped PCIe messages
- */
-
-static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable)
-{
-	char __iomem *submit;
-	__be32 buf[16] __attribute__ ((__aligned__(8)));
-	u32 dma_low, dma_high;
-	int i;
-
-	/* clear confirmation addr */
-	mgp->cmd->data = 0;
-	mb();
-
-	/* send a rdma command to the PCIe engine, and wait for the
-	 * response in the confirmation address.  The firmware should
-	 * write a -1 there to indicate it is alive and well
-	 */
-	dma_low = MYRI10GE_LOWPART_TO_U32(mgp->cmd_bus);
-	dma_high = MYRI10GE_HIGHPART_TO_U32(mgp->cmd_bus);
-
-	buf[0] = htonl(dma_high);	/* confirm addr MSW */
-	buf[1] = htonl(dma_low);	/* confirm addr LSW */
-	buf[2] = MYRI10GE_NO_CONFIRM_DATA;	/* confirm data */
-	buf[3] = htonl(dma_high);	/* dummy addr MSW */
-	buf[4] = htonl(dma_low);	/* dummy addr LSW */
-	buf[5] = htonl(enable);	/* enable? */
-
-	submit = mgp->sram + MXGEFW_BOOT_DUMMY_RDMA;
-
-	myri10ge_pio_copy(submit, &buf, sizeof(buf));
-	for (i = 0; mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA && i < 20; i++)
-		msleep(1);
-	if (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA)
-		dev_err(&mgp->pdev->dev, "dummy rdma %s failed\n",
-			(enable ? "enable" : "disable"));
-}
-
-static int
-myri10ge_validate_firmware(struct myri10ge_priv *mgp,
-			   struct mcp_gen_header *hdr)
-{
-	struct device *dev = &mgp->pdev->dev;
-
-	/* check firmware type */
-	if (ntohl(hdr->mcp_type) != MCP_TYPE_ETH) {
-		dev_err(dev, "Bad firmware type: 0x%x\n", ntohl(hdr->mcp_type));
-		return -EINVAL;
-	}
-
-	/* save firmware version for ethtool */
-	strncpy(mgp->fw_version, hdr->version, sizeof(mgp->fw_version));
-
-	sscanf(mgp->fw_version, "%d.%d.%d", &mgp->fw_ver_major,
-	       &mgp->fw_ver_minor, &mgp->fw_ver_tiny);
-
-	if (!(mgp->fw_ver_major == MXGEFW_VERSION_MAJOR &&
-	      mgp->fw_ver_minor == MXGEFW_VERSION_MINOR)) {
-		dev_err(dev, "Found firmware version %s\n", mgp->fw_version);
-		dev_err(dev, "Driver needs %d.%d\n", MXGEFW_VERSION_MAJOR,
-			MXGEFW_VERSION_MINOR);
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static int myri10ge_load_hotplug_firmware(struct myri10ge_priv *mgp, u32 * size)
-{
-	unsigned crc, reread_crc;
-	const struct firmware *fw;
-	struct device *dev = &mgp->pdev->dev;
-	unsigned char *fw_readback;
-	struct mcp_gen_header *hdr;
-	size_t hdr_offset;
-	int status;
-	unsigned i;
-
-	if ((status = request_firmware(&fw, mgp->fw_name, dev)) < 0) {
-		dev_err(dev, "Unable to load %s firmware image via hotplug\n",
-			mgp->fw_name);
-		status = -EINVAL;
-		goto abort_with_nothing;
-	}
-
-	/* check size */
-
-	if (fw->size >= mgp->sram_size - MYRI10GE_FW_OFFSET ||
-	    fw->size < MCP_HEADER_PTR_OFFSET + 4) {
-		dev_err(dev, "Firmware size invalid:%d\n", (int)fw->size);
-		status = -EINVAL;
-		goto abort_with_fw;
-	}
-
-	/* check id */
-	hdr_offset = ntohl(*(__be32 *) (fw->data + MCP_HEADER_PTR_OFFSET));
-	if ((hdr_offset & 3) || hdr_offset + sizeof(*hdr) > fw->size) {
-		dev_err(dev, "Bad firmware file\n");
-		status = -EINVAL;
-		goto abort_with_fw;
-	}
-	hdr = (void *)(fw->data + hdr_offset);
-
-	status = myri10ge_validate_firmware(mgp, hdr);
-	if (status != 0)
-		goto abort_with_fw;
-
-	crc = crc32(~0, fw->data, fw->size);
-	for (i = 0; i < fw->size; i += 256) {
-		myri10ge_pio_copy(mgp->sram + MYRI10GE_FW_OFFSET + i,
-				  fw->data + i,
-				  min(256U, (unsigned)(fw->size - i)));
-		mb();
-		readb(mgp->sram);
-	}
-	fw_readback = vmalloc(fw->size);
-	if (!fw_readback) {
-		status = -ENOMEM;
-		goto abort_with_fw;
-	}
-	/* corruption checking is good for parity recovery and buggy chipset */
-	memcpy_fromio(fw_readback, mgp->sram + MYRI10GE_FW_OFFSET, fw->size);
-	reread_crc = crc32(~0, fw_readback, fw->size);
-	vfree(fw_readback);
-	if (crc != reread_crc) {
-		dev_err(dev, "CRC failed(fw-len=%u), got 0x%x (expect 0x%x)\n",
-			(unsigned)fw->size, reread_crc, crc);
-		status = -EIO;
-		goto abort_with_fw;
-	}
-	*size = (u32) fw->size;
-
-abort_with_fw:
-	release_firmware(fw);
-
-abort_with_nothing:
-	return status;
-}
-
-static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp)
-{
-	struct mcp_gen_header *hdr;
-	struct device *dev = &mgp->pdev->dev;
-	const size_t bytes = sizeof(struct mcp_gen_header);
-	size_t hdr_offset;
-	int status;
-
-	/* find running firmware header */
-	hdr_offset = swab32(readl(mgp->sram + MCP_HEADER_PTR_OFFSET));
-
-	if ((hdr_offset & 3) || hdr_offset + sizeof(*hdr) > mgp->sram_size) {
-		dev_err(dev, "Running firmware has bad header offset (%d)\n",
-			(int)hdr_offset);
-		return -EIO;
-	}
-
-	/* copy header of running firmware from SRAM to host memory to
-	 * validate firmware */
-	hdr = kmalloc(bytes, GFP_KERNEL);
-	if (hdr == NULL) {
-		dev_err(dev, "could not malloc firmware hdr\n");
-		return -ENOMEM;
-	}
-	memcpy_fromio(hdr, mgp->sram + hdr_offset, bytes);
-	status = myri10ge_validate_firmware(mgp, hdr);
-	kfree(hdr);
-
-	/* check to see if adopted firmware has bug where adopting
-	 * it will cause broadcasts to be filtered unless the NIC
-	 * is kept in ALLMULTI mode */
-	if (mgp->fw_ver_major == 1 && mgp->fw_ver_minor == 4 &&
-	    mgp->fw_ver_tiny >= 4 && mgp->fw_ver_tiny <= 11) {
-		mgp->adopted_rx_filter_bug = 1;
-		dev_warn(dev, "Adopting fw %d.%d.%d: "
-			 "working around rx filter bug\n",
-			 mgp->fw_ver_major, mgp->fw_ver_minor,
-			 mgp->fw_ver_tiny);
-	}
-	return status;
-}
-
-static int myri10ge_get_firmware_capabilities(struct myri10ge_priv *mgp)
-{
-	struct myri10ge_cmd cmd;
-	int status;
-
-	/* probe for IPv6 TSO support */
-	mgp->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO;
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
-				   &cmd, 0);
-	if (status == 0) {
-		mgp->max_tso6 = cmd.data0;
-		mgp->features |= NETIF_F_TSO6;
-	}
-
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
-	if (status != 0) {
-		dev_err(&mgp->pdev->dev,
-			"failed MXGEFW_CMD_GET_RX_RING_SIZE\n");
-		return -ENXIO;
-	}
-
-	mgp->max_intr_slots = 2 * (cmd.data0 / sizeof(struct mcp_dma_addr));
-
-	return 0;
-}
-
-static int myri10ge_load_firmware(struct myri10ge_priv *mgp, int adopt)
-{
-	char __iomem *submit;
-	__be32 buf[16] __attribute__ ((__aligned__(8)));
-	u32 dma_low, dma_high, size;
-	int status, i;
-
-	size = 0;
-	status = myri10ge_load_hotplug_firmware(mgp, &size);
-	if (status) {
-		if (!adopt)
-			return status;
-		dev_warn(&mgp->pdev->dev, "hotplug firmware loading failed\n");
-
-		/* Do not attempt to adopt firmware if there
-		 * was a bad crc */
-		if (status == -EIO)
-			return status;
-
-		status = myri10ge_adopt_running_firmware(mgp);
-		if (status != 0) {
-			dev_err(&mgp->pdev->dev,
-				"failed to adopt running firmware\n");
-			return status;
-		}
-		dev_info(&mgp->pdev->dev,
-			 "Successfully adopted running firmware\n");
-		if (mgp->tx_boundary == 4096) {
-			dev_warn(&mgp->pdev->dev,
-				 "Using firmware currently running on NIC"
-				 ".  For optimal\n");
-			dev_warn(&mgp->pdev->dev,
-				 "performance consider loading optimized "
-				 "firmware\n");
-			dev_warn(&mgp->pdev->dev, "via hotplug\n");
-		}
-
-		set_fw_name(mgp, "adopted", false);
-		mgp->tx_boundary = 2048;
-		myri10ge_dummy_rdma(mgp, 1);
-		status = myri10ge_get_firmware_capabilities(mgp);
-		return status;
-	}
-
-	/* clear confirmation addr */
-	mgp->cmd->data = 0;
-	mb();
-
-	/* send a reload command to the bootstrap MCP, and wait for the
-	 *  response in the confirmation address.  The firmware should
-	 * write a -1 there to indicate it is alive and well
-	 */
-	dma_low = MYRI10GE_LOWPART_TO_U32(mgp->cmd_bus);
-	dma_high = MYRI10GE_HIGHPART_TO_U32(mgp->cmd_bus);
-
-	buf[0] = htonl(dma_high);	/* confirm addr MSW */
-	buf[1] = htonl(dma_low);	/* confirm addr LSW */
-	buf[2] = MYRI10GE_NO_CONFIRM_DATA;	/* confirm data */
-
-	/* FIX: All newest firmware should un-protect the bottom of
-	 * the sram before handoff. However, the very first interfaces
-	 * do not. Therefore the handoff copy must skip the first 8 bytes
-	 */
-	buf[3] = htonl(MYRI10GE_FW_OFFSET + 8);	/* where the code starts */
-	buf[4] = htonl(size - 8);	/* length of code */
-	buf[5] = htonl(8);	/* where to copy to */
-	buf[6] = htonl(0);	/* where to jump to */
-
-	submit = mgp->sram + MXGEFW_BOOT_HANDOFF;
-
-	myri10ge_pio_copy(submit, &buf, sizeof(buf));
-	mb();
-	msleep(1);
-	mb();
-	i = 0;
-	while (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA && i < 9) {
-		msleep(1 << i);
-		i++;
-	}
-	if (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA) {
-		dev_err(&mgp->pdev->dev, "handoff failed\n");
-		return -ENXIO;
-	}
-	myri10ge_dummy_rdma(mgp, 1);
-	status = myri10ge_get_firmware_capabilities(mgp);
-
-	return status;
-}
-
-static int myri10ge_update_mac_address(struct myri10ge_priv *mgp, u8 * addr)
-{
-	struct myri10ge_cmd cmd;
-	int status;
-
-	cmd.data0 = ((addr[0] << 24) | (addr[1] << 16)
-		     | (addr[2] << 8) | addr[3]);
-
-	cmd.data1 = ((addr[4] << 8) | (addr[5]));
-
-	status = myri10ge_send_cmd(mgp, MXGEFW_SET_MAC_ADDRESS, &cmd, 0);
-	return status;
-}
-
-static int myri10ge_change_pause(struct myri10ge_priv *mgp, int pause)
-{
-	struct myri10ge_cmd cmd;
-	int status, ctl;
-
-	ctl = pause ? MXGEFW_ENABLE_FLOW_CONTROL : MXGEFW_DISABLE_FLOW_CONTROL;
-	status = myri10ge_send_cmd(mgp, ctl, &cmd, 0);
-
-	if (status) {
-		netdev_err(mgp->dev, "Failed to set flow control mode\n");
-		return status;
-	}
-	mgp->pause = pause;
-	return 0;
-}
-
-static void
-myri10ge_change_promisc(struct myri10ge_priv *mgp, int promisc, int atomic)
-{
-	struct myri10ge_cmd cmd;
-	int status, ctl;
-
-	ctl = promisc ? MXGEFW_ENABLE_PROMISC : MXGEFW_DISABLE_PROMISC;
-	status = myri10ge_send_cmd(mgp, ctl, &cmd, atomic);
-	if (status)
-		netdev_err(mgp->dev, "Failed to set promisc mode\n");
-}
-
-static int myri10ge_dma_test(struct myri10ge_priv *mgp, int test_type)
-{
-	struct myri10ge_cmd cmd;
-	int status;
-	u32 len;
-	struct page *dmatest_page;
-	dma_addr_t dmatest_bus;
-	char *test = " ";
-
-	dmatest_page = alloc_page(GFP_KERNEL);
-	if (!dmatest_page)
-		return -ENOMEM;
-	dmatest_bus = pci_map_page(mgp->pdev, dmatest_page, 0, PAGE_SIZE,
-				   DMA_BIDIRECTIONAL);
-
-	/* Run a small DMA test.
-	 * The magic multipliers to the length tell the firmware
-	 * to do DMA read, write, or read+write tests.  The
-	 * results are returned in cmd.data0.  The upper 16
-	 * bits or the return is the number of transfers completed.
-	 * The lower 16 bits is the time in 0.5us ticks that the
-	 * transfers took to complete.
-	 */
-
-	len = mgp->tx_boundary;
-
-	cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus);
-	cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus);
-	cmd.data2 = len * 0x10000;
-	status = myri10ge_send_cmd(mgp, test_type, &cmd, 0);
-	if (status != 0) {
-		test = "read";
-		goto abort;
-	}
-	mgp->read_dma = ((cmd.data0 >> 16) * len * 2) / (cmd.data0 & 0xffff);
-	cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus);
-	cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus);
-	cmd.data2 = len * 0x1;
-	status = myri10ge_send_cmd(mgp, test_type, &cmd, 0);
-	if (status != 0) {
-		test = "write";
-		goto abort;
-	}
-	mgp->write_dma = ((cmd.data0 >> 16) * len * 2) / (cmd.data0 & 0xffff);
-
-	cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus);
-	cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus);
-	cmd.data2 = len * 0x10001;
-	status = myri10ge_send_cmd(mgp, test_type, &cmd, 0);
-	if (status != 0) {
-		test = "read/write";
-		goto abort;
-	}
-	mgp->read_write_dma = ((cmd.data0 >> 16) * len * 2 * 2) /
-	    (cmd.data0 & 0xffff);
-
-abort:
-	pci_unmap_page(mgp->pdev, dmatest_bus, PAGE_SIZE, DMA_BIDIRECTIONAL);
-	put_page(dmatest_page);
-
-	if (status != 0 && test_type != MXGEFW_CMD_UNALIGNED_TEST)
-		dev_warn(&mgp->pdev->dev, "DMA %s benchmark failed: %d\n",
-			 test, status);
-
-	return status;
-}
-
-static int myri10ge_reset(struct myri10ge_priv *mgp)
-{
-	struct myri10ge_cmd cmd;
-	struct myri10ge_slice_state *ss;
-	int i, status;
-	size_t bytes;
-#ifdef CONFIG_MYRI10GE_DCA
-	unsigned long dca_tag_off;
-#endif
-
-	/* try to send a reset command to the card to see if it
-	 * is alive */
-	memset(&cmd, 0, sizeof(cmd));
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_RESET, &cmd, 0);
-	if (status != 0) {
-		dev_err(&mgp->pdev->dev, "failed reset\n");
-		return -ENXIO;
-	}
-
-	(void)myri10ge_dma_test(mgp, MXGEFW_DMA_TEST);
-	/*
-	 * Use non-ndis mcp_slot (eg, 4 bytes total,
-	 * no toeplitz hash value returned.  Older firmware will
-	 * not understand this command, but will use the correct
-	 * sized mcp_slot, so we ignore error returns
-	 */
-	cmd.data0 = MXGEFW_RSS_MCP_SLOT_TYPE_MIN;
-	(void)myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_RSS_MCP_SLOT_TYPE, &cmd, 0);
-
-	/* Now exchange information about interrupts  */
-
-	bytes = mgp->max_intr_slots * sizeof(*mgp->ss[0].rx_done.entry);
-	cmd.data0 = (u32) bytes;
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_SIZE, &cmd, 0);
-
-	/*
-	 * Even though we already know how many slices are supported
-	 * via myri10ge_probe_slices() MXGEFW_CMD_GET_MAX_RSS_QUEUES
-	 * has magic side effects, and must be called after a reset.
-	 * It must be called prior to calling any RSS related cmds,
-	 * including assigning an interrupt queue for anything but
-	 * slice 0.  It must also be called *after*
-	 * MXGEFW_CMD_SET_INTRQ_SIZE, since the intrq size is used by
-	 * the firmware to compute offsets.
-	 */
-
-	if (mgp->num_slices > 1) {
-
-		/* ask the maximum number of slices it supports */
-		status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_RSS_QUEUES,
-					   &cmd, 0);
-		if (status != 0) {
-			dev_err(&mgp->pdev->dev,
-				"failed to get number of slices\n");
-		}
-
-		/*
-		 * MXGEFW_CMD_ENABLE_RSS_QUEUES must be called prior
-		 * to setting up the interrupt queue DMA
-		 */
-
-		cmd.data0 = mgp->num_slices;
-		cmd.data1 = MXGEFW_SLICE_INTR_MODE_ONE_PER_SLICE;
-		if (mgp->dev->real_num_tx_queues > 1)
-			cmd.data1 |= MXGEFW_SLICE_ENABLE_MULTIPLE_TX_QUEUES;
-		status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ENABLE_RSS_QUEUES,
-					   &cmd, 0);
-
-		/* Firmware older than 1.4.32 only supports multiple
-		 * RX queues, so if we get an error, first retry using a
-		 * single TX queue before giving up */
-		if (status != 0 && mgp->dev->real_num_tx_queues > 1) {
-			netif_set_real_num_tx_queues(mgp->dev, 1);
-			cmd.data0 = mgp->num_slices;
-			cmd.data1 = MXGEFW_SLICE_INTR_MODE_ONE_PER_SLICE;
-			status = myri10ge_send_cmd(mgp,
-						   MXGEFW_CMD_ENABLE_RSS_QUEUES,
-						   &cmd, 0);
-		}
-
-		if (status != 0) {
-			dev_err(&mgp->pdev->dev,
-				"failed to set number of slices\n");
-
-			return status;
-		}
-	}
-	for (i = 0; i < mgp->num_slices; i++) {
-		ss = &mgp->ss[i];
-		cmd.data0 = MYRI10GE_LOWPART_TO_U32(ss->rx_done.bus);
-		cmd.data1 = MYRI10GE_HIGHPART_TO_U32(ss->rx_done.bus);
-		cmd.data2 = i;
-		status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_DMA,
-					    &cmd, 0);
-	}
-
-	status |=
-	    myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_ACK_OFFSET, &cmd, 0);
-	for (i = 0; i < mgp->num_slices; i++) {
-		ss = &mgp->ss[i];
-		ss->irq_claim =
-		    (__iomem __be32 *) (mgp->sram + cmd.data0 + 8 * i);
-	}
-	status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET,
-				    &cmd, 0);
-	mgp->irq_deassert = (__iomem __be32 *) (mgp->sram + cmd.data0);
-
-	status |= myri10ge_send_cmd
-	    (mgp, MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET, &cmd, 0);
-	mgp->intr_coal_delay_ptr = (__iomem __be32 *) (mgp->sram + cmd.data0);
-	if (status != 0) {
-		dev_err(&mgp->pdev->dev, "failed set interrupt parameters\n");
-		return status;
-	}
-	put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
-
-#ifdef CONFIG_MYRI10GE_DCA
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_DCA_OFFSET, &cmd, 0);
-	dca_tag_off = cmd.data0;
-	for (i = 0; i < mgp->num_slices; i++) {
-		ss = &mgp->ss[i];
-		if (status == 0) {
-			ss->dca_tag = (__iomem __be32 *)
-			    (mgp->sram + dca_tag_off + 4 * i);
-		} else {
-			ss->dca_tag = NULL;
-		}
-	}
-#endif				/* CONFIG_MYRI10GE_DCA */
-
-	/* reset mcp/driver shared state back to 0 */
-
-	mgp->link_changes = 0;
-	for (i = 0; i < mgp->num_slices; i++) {
-		ss = &mgp->ss[i];
-
-		memset(ss->rx_done.entry, 0, bytes);
-		ss->tx.req = 0;
-		ss->tx.done = 0;
-		ss->tx.pkt_start = 0;
-		ss->tx.pkt_done = 0;
-		ss->rx_big.cnt = 0;
-		ss->rx_small.cnt = 0;
-		ss->rx_done.idx = 0;
-		ss->rx_done.cnt = 0;
-		ss->tx.wake_queue = 0;
-		ss->tx.stop_queue = 0;
-	}
-
-	status = myri10ge_update_mac_address(mgp, mgp->dev->dev_addr);
-	myri10ge_change_pause(mgp, mgp->pause);
-	myri10ge_set_multicast_list(mgp->dev);
-	return status;
-}
-
-#ifdef CONFIG_MYRI10GE_DCA
-static int myri10ge_toggle_relaxed(struct pci_dev *pdev, int on)
-{
-	int ret, cap, err;
-	u16 ctl;
-
-	cap = pci_pcie_cap(pdev);
-	if (!cap)
-		return 0;
-
-	err = pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
-	if (err)
-		return 0;
-
-	ret = (ctl & PCI_EXP_DEVCTL_RELAX_EN) >> 4;
-	if (ret != on) {
-		ctl &= ~PCI_EXP_DEVCTL_RELAX_EN;
-		ctl |= (on << 4);
-		pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
-	}
-	return ret;
-}
-
-static void
-myri10ge_write_dca(struct myri10ge_slice_state *ss, int cpu, int tag)
-{
-	ss->cached_dca_tag = tag;
-	put_be32(htonl(tag), ss->dca_tag);
-}
-
-static inline void myri10ge_update_dca(struct myri10ge_slice_state *ss)
-{
-	int cpu = get_cpu();
-	int tag;
-
-	if (cpu != ss->cpu) {
-		tag = dca3_get_tag(&ss->mgp->pdev->dev, cpu);
-		if (ss->cached_dca_tag != tag)
-			myri10ge_write_dca(ss, cpu, tag);
-		ss->cpu = cpu;
-	}
-	put_cpu();
-}
-
-static void myri10ge_setup_dca(struct myri10ge_priv *mgp)
-{
-	int err, i;
-	struct pci_dev *pdev = mgp->pdev;
-
-	if (mgp->ss[0].dca_tag == NULL || mgp->dca_enabled)
-		return;
-	if (!myri10ge_dca) {
-		dev_err(&pdev->dev, "dca disabled by administrator\n");
-		return;
-	}
-	err = dca_add_requester(&pdev->dev);
-	if (err) {
-		if (err != -ENODEV)
-			dev_err(&pdev->dev,
-				"dca_add_requester() failed, err=%d\n", err);
-		return;
-	}
-	mgp->relaxed_order = myri10ge_toggle_relaxed(pdev, 0);
-	mgp->dca_enabled = 1;
-	for (i = 0; i < mgp->num_slices; i++) {
-		mgp->ss[i].cpu = -1;
-		mgp->ss[i].cached_dca_tag = -1;
-		myri10ge_update_dca(&mgp->ss[i]);
-	}
-}
-
-static void myri10ge_teardown_dca(struct myri10ge_priv *mgp)
-{
-	struct pci_dev *pdev = mgp->pdev;
-
-	if (!mgp->dca_enabled)
-		return;
-	mgp->dca_enabled = 0;
-	if (mgp->relaxed_order)
-		myri10ge_toggle_relaxed(pdev, 1);
-	dca_remove_requester(&pdev->dev);
-}
-
-static int myri10ge_notify_dca_device(struct device *dev, void *data)
-{
-	struct myri10ge_priv *mgp;
-	unsigned long event;
-
-	mgp = dev_get_drvdata(dev);
-	event = *(unsigned long *)data;
-
-	if (event == DCA_PROVIDER_ADD)
-		myri10ge_setup_dca(mgp);
-	else if (event == DCA_PROVIDER_REMOVE)
-		myri10ge_teardown_dca(mgp);
-	return 0;
-}
-#endif				/* CONFIG_MYRI10GE_DCA */
-
-static inline void
-myri10ge_submit_8rx(struct mcp_kreq_ether_recv __iomem * dst,
-		    struct mcp_kreq_ether_recv *src)
-{
-	__be32 low;
-
-	low = src->addr_low;
-	src->addr_low = htonl(DMA_BIT_MASK(32));
-	myri10ge_pio_copy(dst, src, 4 * sizeof(*src));
-	mb();
-	myri10ge_pio_copy(dst + 4, src + 4, 4 * sizeof(*src));
-	mb();
-	src->addr_low = low;
-	put_be32(low, &dst->addr_low);
-	mb();
-}
-
-static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, __wsum hw_csum)
-{
-	struct vlan_hdr *vh = (struct vlan_hdr *)(skb->data);
-
-	if ((skb->protocol == htons(ETH_P_8021Q)) &&
-	    (vh->h_vlan_encapsulated_proto == htons(ETH_P_IP) ||
-	     vh->h_vlan_encapsulated_proto == htons(ETH_P_IPV6))) {
-		skb->csum = hw_csum;
-		skb->ip_summed = CHECKSUM_COMPLETE;
-	}
-}
-
-static inline void
-myri10ge_rx_skb_build(struct sk_buff *skb, u8 * va,
-		      struct skb_frag_struct *rx_frags, int len, int hlen)
-{
-	struct skb_frag_struct *skb_frags;
-
-	skb->len = skb->data_len = len;
-	skb->truesize = len + sizeof(struct sk_buff);
-	/* attach the page(s) */
-
-	skb_frags = skb_shinfo(skb)->frags;
-	while (len > 0) {
-		memcpy(skb_frags, rx_frags, sizeof(*skb_frags));
-		len -= rx_frags->size;
-		skb_frags++;
-		rx_frags++;
-		skb_shinfo(skb)->nr_frags++;
-	}
-
-	/* pskb_may_pull is not available in irq context, but
-	 * skb_pull() (for ether_pad and eth_type_trans()) requires
-	 * the beginning of the packet in skb_headlen(), move it
-	 * manually */
-	skb_copy_to_linear_data(skb, va, hlen);
-	skb_shinfo(skb)->frags[0].page_offset += hlen;
-	skb_shinfo(skb)->frags[0].size -= hlen;
-	skb->data_len -= hlen;
-	skb->tail += hlen;
-	skb_pull(skb, MXGEFW_PAD);
-}
-
-static void
-myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
-			int bytes, int watchdog)
-{
-	struct page *page;
-	int idx;
-#if MYRI10GE_ALLOC_SIZE > 4096
-	int end_offset;
-#endif
-
-	if (unlikely(rx->watchdog_needed && !watchdog))
-		return;
-
-	/* try to refill entire ring */
-	while (rx->fill_cnt != (rx->cnt + rx->mask + 1)) {
-		idx = rx->fill_cnt & rx->mask;
-		if (rx->page_offset + bytes <= MYRI10GE_ALLOC_SIZE) {
-			/* we can use part of previous page */
-			get_page(rx->page);
-		} else {
-			/* we need a new page */
-			page =
-			    alloc_pages(GFP_ATOMIC | __GFP_COMP,
-					MYRI10GE_ALLOC_ORDER);
-			if (unlikely(page == NULL)) {
-				if (rx->fill_cnt - rx->cnt < 16)
-					rx->watchdog_needed = 1;
-				return;
-			}
-			rx->page = page;
-			rx->page_offset = 0;
-			rx->bus = pci_map_page(mgp->pdev, page, 0,
-					       MYRI10GE_ALLOC_SIZE,
-					       PCI_DMA_FROMDEVICE);
-		}
-		rx->info[idx].page = rx->page;
-		rx->info[idx].page_offset = rx->page_offset;
-		/* note that this is the address of the start of the
-		 * page */
-		dma_unmap_addr_set(&rx->info[idx], bus, rx->bus);
-		rx->shadow[idx].addr_low =
-		    htonl(MYRI10GE_LOWPART_TO_U32(rx->bus) + rx->page_offset);
-		rx->shadow[idx].addr_high =
-		    htonl(MYRI10GE_HIGHPART_TO_U32(rx->bus));
-
-		/* start next packet on a cacheline boundary */
-		rx->page_offset += SKB_DATA_ALIGN(bytes);
-
-#if MYRI10GE_ALLOC_SIZE > 4096
-		/* don't cross a 4KB boundary */
-		end_offset = rx->page_offset + bytes - 1;
-		if ((unsigned)(rx->page_offset ^ end_offset) > 4095)
-			rx->page_offset = end_offset & ~4095;
-#endif
-		rx->fill_cnt++;
-
-		/* copy 8 descriptors to the firmware at a time */
-		if ((idx & 7) == 7) {
-			myri10ge_submit_8rx(&rx->lanai[idx - 7],
-					    &rx->shadow[idx - 7]);
-		}
-	}
-}
-
-static inline void
-myri10ge_unmap_rx_page(struct pci_dev *pdev,
-		       struct myri10ge_rx_buffer_state *info, int bytes)
-{
-	/* unmap the recvd page if we're the only or last user of it */
-	if (bytes >= MYRI10GE_ALLOC_SIZE / 2 ||
-	    (info->page_offset + 2 * bytes) > MYRI10GE_ALLOC_SIZE) {
-		pci_unmap_page(pdev, (dma_unmap_addr(info, bus)
-				      & ~(MYRI10GE_ALLOC_SIZE - 1)),
-			       MYRI10GE_ALLOC_SIZE, PCI_DMA_FROMDEVICE);
-	}
-}
-
-#define MYRI10GE_HLEN 64	/* The number of bytes to copy from a
-				 * page into an skb */
-
-static inline int
-myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum,
-		 bool lro_enabled)
-{
-	struct myri10ge_priv *mgp = ss->mgp;
-	struct sk_buff *skb;
-	struct skb_frag_struct rx_frags[MYRI10GE_MAX_FRAGS_PER_FRAME];
-	struct myri10ge_rx_buf *rx;
-	int i, idx, hlen, remainder, bytes;
-	struct pci_dev *pdev = mgp->pdev;
-	struct net_device *dev = mgp->dev;
-	u8 *va;
-
-	if (len <= mgp->small_bytes) {
-		rx = &ss->rx_small;
-		bytes = mgp->small_bytes;
-	} else {
-		rx = &ss->rx_big;
-		bytes = mgp->big_bytes;
-	}
-
-	len += MXGEFW_PAD;
-	idx = rx->cnt & rx->mask;
-	va = page_address(rx->info[idx].page) + rx->info[idx].page_offset;
-	prefetch(va);
-	/* Fill skb_frag_struct(s) with data from our receive */
-	for (i = 0, remainder = len; remainder > 0; i++) {
-		myri10ge_unmap_rx_page(pdev, &rx->info[idx], bytes);
-		rx_frags[i].page = rx->info[idx].page;
-		rx_frags[i].page_offset = rx->info[idx].page_offset;
-		if (remainder < MYRI10GE_ALLOC_SIZE)
-			rx_frags[i].size = remainder;
-		else
-			rx_frags[i].size = MYRI10GE_ALLOC_SIZE;
-		rx->cnt++;
-		idx = rx->cnt & rx->mask;
-		remainder -= MYRI10GE_ALLOC_SIZE;
-	}
-
-	if (lro_enabled) {
-		rx_frags[0].page_offset += MXGEFW_PAD;
-		rx_frags[0].size -= MXGEFW_PAD;
-		len -= MXGEFW_PAD;
-		lro_receive_frags(&ss->rx_done.lro_mgr, rx_frags,
-				  /* opaque, will come back in get_frag_header */
-				  len, len,
-				  (void *)(__force unsigned long)csum, csum);
-
-		return 1;
-	}
-
-	hlen = MYRI10GE_HLEN > len ? len : MYRI10GE_HLEN;
-
-	/* allocate an skb to attach the page(s) to. This is done
-	 * after trying LRO, so as to avoid skb allocation overheads */
-
-	skb = netdev_alloc_skb(dev, MYRI10GE_HLEN + 16);
-	if (unlikely(skb == NULL)) {
-		ss->stats.rx_dropped++;
-		do {
-			i--;
-			put_page(rx_frags[i].page);
-		} while (i != 0);
-		return 0;
-	}
-
-	/* Attach the pages to the skb, and trim off any padding */
-	myri10ge_rx_skb_build(skb, va, rx_frags, len, hlen);
-	if (skb_shinfo(skb)->frags[0].size <= 0) {
-		put_page(skb_shinfo(skb)->frags[0].page);
-		skb_shinfo(skb)->nr_frags = 0;
-	}
-	skb->protocol = eth_type_trans(skb, dev);
-	skb_record_rx_queue(skb, ss - &mgp->ss[0]);
-
-	if (dev->features & NETIF_F_RXCSUM) {
-		if ((skb->protocol == htons(ETH_P_IP)) ||
-		    (skb->protocol == htons(ETH_P_IPV6))) {
-			skb->csum = csum;
-			skb->ip_summed = CHECKSUM_COMPLETE;
-		} else
-			myri10ge_vlan_ip_csum(skb, csum);
-	}
-	netif_receive_skb(skb);
-	return 1;
-}
-
-static inline void
-myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index)
-{
-	struct pci_dev *pdev = ss->mgp->pdev;
-	struct myri10ge_tx_buf *tx = &ss->tx;
-	struct netdev_queue *dev_queue;
-	struct sk_buff *skb;
-	int idx, len;
-
-	while (tx->pkt_done != mcp_index) {
-		idx = tx->done & tx->mask;
-		skb = tx->info[idx].skb;
-
-		/* Mark as free */
-		tx->info[idx].skb = NULL;
-		if (tx->info[idx].last) {
-			tx->pkt_done++;
-			tx->info[idx].last = 0;
-		}
-		tx->done++;
-		len = dma_unmap_len(&tx->info[idx], len);
-		dma_unmap_len_set(&tx->info[idx], len, 0);
-		if (skb) {
-			ss->stats.tx_bytes += skb->len;
-			ss->stats.tx_packets++;
-			dev_kfree_skb_irq(skb);
-			if (len)
-				pci_unmap_single(pdev,
-						 dma_unmap_addr(&tx->info[idx],
-								bus), len,
-						 PCI_DMA_TODEVICE);
-		} else {
-			if (len)
-				pci_unmap_page(pdev,
-					       dma_unmap_addr(&tx->info[idx],
-							      bus), len,
-					       PCI_DMA_TODEVICE);
-		}
-	}
-
-	dev_queue = netdev_get_tx_queue(ss->dev, ss - ss->mgp->ss);
-	/*
-	 * Make a minimal effort to prevent the NIC from polling an
-	 * idle tx queue.  If we can't get the lock we leave the queue
-	 * active. In this case, either a thread was about to start
-	 * using the queue anyway, or we lost a race and the NIC will
-	 * waste some of its resources polling an inactive queue for a
-	 * while.
-	 */
-
-	if ((ss->mgp->dev->real_num_tx_queues > 1) &&
-	    __netif_tx_trylock(dev_queue)) {
-		if (tx->req == tx->done) {
-			tx->queue_active = 0;
-			put_be32(htonl(1), tx->send_stop);
-			mb();
-			mmiowb();
-		}
-		__netif_tx_unlock(dev_queue);
-	}
-
-	/* start the queue if we've stopped it */
-	if (netif_tx_queue_stopped(dev_queue) &&
-	    tx->req - tx->done < (tx->mask >> 1) &&
-	    ss->mgp->running == MYRI10GE_ETH_RUNNING) {
-		tx->wake_queue++;
-		netif_tx_wake_queue(dev_queue);
-	}
-}
-
-static inline int
-myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget)
-{
-	struct myri10ge_rx_done *rx_done = &ss->rx_done;
-	struct myri10ge_priv *mgp = ss->mgp;
-	unsigned long rx_bytes = 0;
-	unsigned long rx_packets = 0;
-	unsigned long rx_ok;
-	int idx = rx_done->idx;
-	int cnt = rx_done->cnt;
-	int work_done = 0;
-	u16 length;
-	__wsum checksum;
-
-	/*
-	 * Prevent compiler from generating more than one ->features memory
-	 * access to avoid theoretical race condition with functions that
-	 * change NETIF_F_LRO flag at runtime.
-	 */
-	bool lro_enabled = ACCESS_ONCE(mgp->dev->features) & NETIF_F_LRO;
-
-	while (rx_done->entry[idx].length != 0 && work_done < budget) {
-		length = ntohs(rx_done->entry[idx].length);
-		rx_done->entry[idx].length = 0;
-		checksum = csum_unfold(rx_done->entry[idx].checksum);
-		rx_ok = myri10ge_rx_done(ss, length, checksum, lro_enabled);
-		rx_packets += rx_ok;
-		rx_bytes += rx_ok * (unsigned long)length;
-		cnt++;
-		idx = cnt & (mgp->max_intr_slots - 1);
-		work_done++;
-	}
-	rx_done->idx = idx;
-	rx_done->cnt = cnt;
-	ss->stats.rx_packets += rx_packets;
-	ss->stats.rx_bytes += rx_bytes;
-
-	if (lro_enabled)
-		lro_flush_all(&rx_done->lro_mgr);
-
-	/* restock receive rings if needed */
-	if (ss->rx_small.fill_cnt - ss->rx_small.cnt < myri10ge_fill_thresh)
-		myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
-					mgp->small_bytes + MXGEFW_PAD, 0);
-	if (ss->rx_big.fill_cnt - ss->rx_big.cnt < myri10ge_fill_thresh)
-		myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
-
-	return work_done;
-}
-
-static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
-{
-	struct mcp_irq_data *stats = mgp->ss[0].fw_stats;
-
-	if (unlikely(stats->stats_updated)) {
-		unsigned link_up = ntohl(stats->link_up);
-		if (mgp->link_state != link_up) {
-			mgp->link_state = link_up;
-
-			if (mgp->link_state == MXGEFW_LINK_UP) {
-				netif_info(mgp, link, mgp->dev, "link up\n");
-				netif_carrier_on(mgp->dev);
-				mgp->link_changes++;
-			} else {
-				netif_info(mgp, link, mgp->dev, "link %s\n",
-					   (link_up == MXGEFW_LINK_MYRINET ?
-					    "mismatch (Myrinet detected)" :
-					    "down"));
-				netif_carrier_off(mgp->dev);
-				mgp->link_changes++;
-			}
-		}
-		if (mgp->rdma_tags_available !=
-		    ntohl(stats->rdma_tags_available)) {
-			mgp->rdma_tags_available =
-			    ntohl(stats->rdma_tags_available);
-			netdev_warn(mgp->dev, "RDMA timed out! %d tags left\n",
-				    mgp->rdma_tags_available);
-		}
-		mgp->down_cnt += stats->link_down;
-		if (stats->link_down)
-			wake_up(&mgp->down_wq);
-	}
-}
-
-static int myri10ge_poll(struct napi_struct *napi, int budget)
-{
-	struct myri10ge_slice_state *ss =
-	    container_of(napi, struct myri10ge_slice_state, napi);
-	int work_done;
-
-#ifdef CONFIG_MYRI10GE_DCA
-	if (ss->mgp->dca_enabled)
-		myri10ge_update_dca(ss);
-#endif
-
-	/* process as many rx events as NAPI will allow */
-	work_done = myri10ge_clean_rx_done(ss, budget);
-
-	if (work_done < budget) {
-		napi_complete(napi);
-		put_be32(htonl(3), ss->irq_claim);
-	}
-	return work_done;
-}
-
-static irqreturn_t myri10ge_intr(int irq, void *arg)
-{
-	struct myri10ge_slice_state *ss = arg;
-	struct myri10ge_priv *mgp = ss->mgp;
-	struct mcp_irq_data *stats = ss->fw_stats;
-	struct myri10ge_tx_buf *tx = &ss->tx;
-	u32 send_done_count;
-	int i;
-
-	/* an interrupt on a non-zero receive-only slice is implicitly
-	 * valid  since MSI-X irqs are not shared */
-	if ((mgp->dev->real_num_tx_queues == 1) && (ss != mgp->ss)) {
-		napi_schedule(&ss->napi);
-		return IRQ_HANDLED;
-	}
-
-	/* make sure it is our IRQ, and that the DMA has finished */
-	if (unlikely(!stats->valid))
-		return IRQ_NONE;
-
-	/* low bit indicates receives are present, so schedule
-	 * napi poll handler */
-	if (stats->valid & 1)
-		napi_schedule(&ss->napi);
-
-	if (!mgp->msi_enabled && !mgp->msix_enabled) {
-		put_be32(0, mgp->irq_deassert);
-		if (!myri10ge_deassert_wait)
-			stats->valid = 0;
-		mb();
-	} else
-		stats->valid = 0;
-
-	/* Wait for IRQ line to go low, if using INTx */
-	i = 0;
-	while (1) {
-		i++;
-		/* check for transmit completes and receives */
-		send_done_count = ntohl(stats->send_done_count);
-		if (send_done_count != tx->pkt_done)
-			myri10ge_tx_done(ss, (int)send_done_count);
-		if (unlikely(i > myri10ge_max_irq_loops)) {
-			netdev_warn(mgp->dev, "irq stuck?\n");
-			stats->valid = 0;
-			schedule_work(&mgp->watchdog_work);
-		}
-		if (likely(stats->valid == 0))
-			break;
-		cpu_relax();
-		barrier();
-	}
-
-	/* Only slice 0 updates stats */
-	if (ss == mgp->ss)
-		myri10ge_check_statblock(mgp);
-
-	put_be32(htonl(3), ss->irq_claim + 1);
-	return IRQ_HANDLED;
-}
-
-static int
-myri10ge_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-	char *ptr;
-	int i;
-
-	cmd->autoneg = AUTONEG_DISABLE;
-	ethtool_cmd_speed_set(cmd, SPEED_10000);
-	cmd->duplex = DUPLEX_FULL;
-
-	/*
-	 * parse the product code to deterimine the interface type
-	 * (CX4, XFP, Quad Ribbon Fiber) by looking at the character
-	 * after the 3rd dash in the driver's cached copy of the
-	 * EEPROM's product code string.
-	 */
-	ptr = mgp->product_code_string;
-	if (ptr == NULL) {
-		netdev_err(netdev, "Missing product code\n");
-		return 0;
-	}
-	for (i = 0; i < 3; i++, ptr++) {
-		ptr = strchr(ptr, '-');
-		if (ptr == NULL) {
-			netdev_err(netdev, "Invalid product code %s\n",
-				   mgp->product_code_string);
-			return 0;
-		}
-	}
-	if (*ptr == '2')
-		ptr++;
-	if (*ptr == 'R' || *ptr == 'Q' || *ptr == 'S') {
-		/* We've found either an XFP, quad ribbon fiber, or SFP+ */
-		cmd->port = PORT_FIBRE;
-		cmd->supported |= SUPPORTED_FIBRE;
-		cmd->advertising |= ADVERTISED_FIBRE;
-	} else {
-		cmd->port = PORT_OTHER;
-	}
-	if (*ptr == 'R' || *ptr == 'S')
-		cmd->transceiver = XCVR_EXTERNAL;
-	else
-		cmd->transceiver = XCVR_INTERNAL;
-
-	return 0;
-}
-
-static void
-myri10ge_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-
-	strlcpy(info->driver, "myri10ge", sizeof(info->driver));
-	strlcpy(info->version, MYRI10GE_VERSION_STR, sizeof(info->version));
-	strlcpy(info->fw_version, mgp->fw_version, sizeof(info->fw_version));
-	strlcpy(info->bus_info, pci_name(mgp->pdev), sizeof(info->bus_info));
-}
-
-static int
-myri10ge_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coal)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-
-	coal->rx_coalesce_usecs = mgp->intr_coal_delay;
-	return 0;
-}
-
-static int
-myri10ge_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coal)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-
-	mgp->intr_coal_delay = coal->rx_coalesce_usecs;
-	put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
-	return 0;
-}
-
-static void
-myri10ge_get_pauseparam(struct net_device *netdev,
-			struct ethtool_pauseparam *pause)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-
-	pause->autoneg = 0;
-	pause->rx_pause = mgp->pause;
-	pause->tx_pause = mgp->pause;
-}
-
-static int
-myri10ge_set_pauseparam(struct net_device *netdev,
-			struct ethtool_pauseparam *pause)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-
-	if (pause->tx_pause != mgp->pause)
-		return myri10ge_change_pause(mgp, pause->tx_pause);
-	if (pause->rx_pause != mgp->pause)
-		return myri10ge_change_pause(mgp, pause->rx_pause);
-	if (pause->autoneg != 0)
-		return -EINVAL;
-	return 0;
-}
-
-static void
-myri10ge_get_ringparam(struct net_device *netdev,
-		       struct ethtool_ringparam *ring)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-
-	ring->rx_mini_max_pending = mgp->ss[0].rx_small.mask + 1;
-	ring->rx_max_pending = mgp->ss[0].rx_big.mask + 1;
-	ring->rx_jumbo_max_pending = 0;
-	ring->tx_max_pending = mgp->ss[0].tx.mask + 1;
-	ring->rx_mini_pending = ring->rx_mini_max_pending;
-	ring->rx_pending = ring->rx_max_pending;
-	ring->rx_jumbo_pending = ring->rx_jumbo_max_pending;
-	ring->tx_pending = ring->tx_max_pending;
-}
-
-static const char myri10ge_gstrings_main_stats[][ETH_GSTRING_LEN] = {
-	"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
-	"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
-	"rx_length_errors", "rx_over_errors", "rx_crc_errors",
-	"rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
-	"tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
-	"tx_heartbeat_errors", "tx_window_errors",
-	/* device-specific stats */
-	"tx_boundary", "WC", "irq", "MSI", "MSIX",
-	"read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs",
-	"serial_number", "watchdog_resets",
-#ifdef CONFIG_MYRI10GE_DCA
-	"dca_capable_firmware", "dca_device_present",
-#endif
-	"link_changes", "link_up", "dropped_link_overflow",
-	"dropped_link_error_or_filtered",
-	"dropped_pause", "dropped_bad_phy", "dropped_bad_crc32",
-	"dropped_unicast_filtered", "dropped_multicast_filtered",
-	"dropped_runt", "dropped_overrun", "dropped_no_small_buffer",
-	"dropped_no_big_buffer"
-};
-
-static const char myri10ge_gstrings_slice_stats[][ETH_GSTRING_LEN] = {
-	"----------- slice ---------",
-	"tx_pkt_start", "tx_pkt_done", "tx_req", "tx_done",
-	"rx_small_cnt", "rx_big_cnt",
-	"wake_queue", "stop_queue", "tx_linearized",
-	"LRO aggregated", "LRO flushed", "LRO avg aggr", "LRO no_desc",
-};
-
-#define MYRI10GE_NET_STATS_LEN      21
-#define MYRI10GE_MAIN_STATS_LEN  ARRAY_SIZE(myri10ge_gstrings_main_stats)
-#define MYRI10GE_SLICE_STATS_LEN  ARRAY_SIZE(myri10ge_gstrings_slice_stats)
-
-static void
-myri10ge_get_strings(struct net_device *netdev, u32 stringset, u8 * data)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-	int i;
-
-	switch (stringset) {
-	case ETH_SS_STATS:
-		memcpy(data, *myri10ge_gstrings_main_stats,
-		       sizeof(myri10ge_gstrings_main_stats));
-		data += sizeof(myri10ge_gstrings_main_stats);
-		for (i = 0; i < mgp->num_slices; i++) {
-			memcpy(data, *myri10ge_gstrings_slice_stats,
-			       sizeof(myri10ge_gstrings_slice_stats));
-			data += sizeof(myri10ge_gstrings_slice_stats);
-		}
-		break;
-	}
-}
-
-static int myri10ge_get_sset_count(struct net_device *netdev, int sset)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-
-	switch (sset) {
-	case ETH_SS_STATS:
-		return MYRI10GE_MAIN_STATS_LEN +
-		    mgp->num_slices * MYRI10GE_SLICE_STATS_LEN;
-	default:
-		return -EOPNOTSUPP;
-	}
-}
-
-static void
-myri10ge_get_ethtool_stats(struct net_device *netdev,
-			   struct ethtool_stats *stats, u64 * data)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-	struct myri10ge_slice_state *ss;
-	struct rtnl_link_stats64 link_stats;
-	int slice;
-	int i;
-
-	/* force stats update */
-	memset(&link_stats, 0, sizeof(link_stats));
-	(void)myri10ge_get_stats(netdev, &link_stats);
-	for (i = 0; i < MYRI10GE_NET_STATS_LEN; i++)
-		data[i] = ((u64 *)&link_stats)[i];
-
-	data[i++] = (unsigned int)mgp->tx_boundary;
-	data[i++] = (unsigned int)mgp->wc_enabled;
-	data[i++] = (unsigned int)mgp->pdev->irq;
-	data[i++] = (unsigned int)mgp->msi_enabled;
-	data[i++] = (unsigned int)mgp->msix_enabled;
-	data[i++] = (unsigned int)mgp->read_dma;
-	data[i++] = (unsigned int)mgp->write_dma;
-	data[i++] = (unsigned int)mgp->read_write_dma;
-	data[i++] = (unsigned int)mgp->serial_number;
-	data[i++] = (unsigned int)mgp->watchdog_resets;
-#ifdef CONFIG_MYRI10GE_DCA
-	data[i++] = (unsigned int)(mgp->ss[0].dca_tag != NULL);
-	data[i++] = (unsigned int)(mgp->dca_enabled);
-#endif
-	data[i++] = (unsigned int)mgp->link_changes;
-
-	/* firmware stats are useful only in the first slice */
-	ss = &mgp->ss[0];
-	data[i++] = (unsigned int)ntohl(ss->fw_stats->link_up);
-	data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_link_overflow);
-	data[i++] =
-	    (unsigned int)ntohl(ss->fw_stats->dropped_link_error_or_filtered);
-	data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_pause);
-	data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_bad_phy);
-	data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_bad_crc32);
-	data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_unicast_filtered);
-	data[i++] =
-	    (unsigned int)ntohl(ss->fw_stats->dropped_multicast_filtered);
-	data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_runt);
-	data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_overrun);
-	data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_small_buffer);
-	data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_big_buffer);
-
-	for (slice = 0; slice < mgp->num_slices; slice++) {
-		ss = &mgp->ss[slice];
-		data[i++] = slice;
-		data[i++] = (unsigned int)ss->tx.pkt_start;
-		data[i++] = (unsigned int)ss->tx.pkt_done;
-		data[i++] = (unsigned int)ss->tx.req;
-		data[i++] = (unsigned int)ss->tx.done;
-		data[i++] = (unsigned int)ss->rx_small.cnt;
-		data[i++] = (unsigned int)ss->rx_big.cnt;
-		data[i++] = (unsigned int)ss->tx.wake_queue;
-		data[i++] = (unsigned int)ss->tx.stop_queue;
-		data[i++] = (unsigned int)ss->tx.linearized;
-		data[i++] = ss->rx_done.lro_mgr.stats.aggregated;
-		data[i++] = ss->rx_done.lro_mgr.stats.flushed;
-		if (ss->rx_done.lro_mgr.stats.flushed)
-			data[i++] = ss->rx_done.lro_mgr.stats.aggregated /
-			    ss->rx_done.lro_mgr.stats.flushed;
-		else
-			data[i++] = 0;
-		data[i++] = ss->rx_done.lro_mgr.stats.no_desc;
-	}
-}
-
-static void myri10ge_set_msglevel(struct net_device *netdev, u32 value)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-	mgp->msg_enable = value;
-}
-
-static u32 myri10ge_get_msglevel(struct net_device *netdev)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-	return mgp->msg_enable;
-}
-
-/*
- * Use a low-level command to change the LED behavior. Rather than
- * blinking (which is the normal case), when identify is used, the
- * yellow LED turns solid.
- */
-static int myri10ge_led(struct myri10ge_priv *mgp, int on)
-{
-	struct mcp_gen_header *hdr;
-	struct device *dev = &mgp->pdev->dev;
-	size_t hdr_off, pattern_off, hdr_len;
-	u32 pattern = 0xfffffffe;
-
-	/* find running firmware header */
-	hdr_off = swab32(readl(mgp->sram + MCP_HEADER_PTR_OFFSET));
-	if ((hdr_off & 3) || hdr_off + sizeof(*hdr) > mgp->sram_size) {
-		dev_err(dev, "Running firmware has bad header offset (%d)\n",
-			(int)hdr_off);
-		return -EIO;
-	}
-	hdr_len = swab32(readl(mgp->sram + hdr_off +
-			       offsetof(struct mcp_gen_header, header_length)));
-	pattern_off = hdr_off + offsetof(struct mcp_gen_header, led_pattern);
-	if (pattern_off >= (hdr_len + hdr_off)) {
-		dev_info(dev, "Firmware does not support LED identification\n");
-		return -EINVAL;
-	}
-	if (!on)
-		pattern = swab32(readl(mgp->sram + pattern_off + 4));
-	writel(htonl(pattern), mgp->sram + pattern_off);
-	return 0;
-}
-
-static int
-myri10ge_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
-{
-	struct myri10ge_priv *mgp = netdev_priv(netdev);
-	int rc;
-
-	switch (state) {
-	case ETHTOOL_ID_ACTIVE:
-		rc = myri10ge_led(mgp, 1);
-		break;
-
-	case ETHTOOL_ID_INACTIVE:
-		rc =  myri10ge_led(mgp, 0);
-		break;
-
-	default:
-		rc = -EINVAL;
-	}
-
-	return rc;
-}
-
-static const struct ethtool_ops myri10ge_ethtool_ops = {
-	.get_settings = myri10ge_get_settings,
-	.get_drvinfo = myri10ge_get_drvinfo,
-	.get_coalesce = myri10ge_get_coalesce,
-	.set_coalesce = myri10ge_set_coalesce,
-	.get_pauseparam = myri10ge_get_pauseparam,
-	.set_pauseparam = myri10ge_set_pauseparam,
-	.get_ringparam = myri10ge_get_ringparam,
-	.get_link = ethtool_op_get_link,
-	.get_strings = myri10ge_get_strings,
-	.get_sset_count = myri10ge_get_sset_count,
-	.get_ethtool_stats = myri10ge_get_ethtool_stats,
-	.set_msglevel = myri10ge_set_msglevel,
-	.get_msglevel = myri10ge_get_msglevel,
-	.set_phys_id = myri10ge_phys_id,
-};
-
-static int myri10ge_allocate_rings(struct myri10ge_slice_state *ss)
-{
-	struct myri10ge_priv *mgp = ss->mgp;
-	struct myri10ge_cmd cmd;
-	struct net_device *dev = mgp->dev;
-	int tx_ring_size, rx_ring_size;
-	int tx_ring_entries, rx_ring_entries;
-	int i, slice, status;
-	size_t bytes;
-
-	/* get ring sizes */
-	slice = ss - mgp->ss;
-	cmd.data0 = slice;
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_RING_SIZE, &cmd, 0);
-	tx_ring_size = cmd.data0;
-	cmd.data0 = slice;
-	status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
-	if (status != 0)
-		return status;
-	rx_ring_size = cmd.data0;
-
-	tx_ring_entries = tx_ring_size / sizeof(struct mcp_kreq_ether_send);
-	rx_ring_entries = rx_ring_size / sizeof(struct mcp_dma_addr);
-	ss->tx.mask = tx_ring_entries - 1;
-	ss->rx_small.mask = ss->rx_big.mask = rx_ring_entries - 1;
-
-	status = -ENOMEM;
-
-	/* allocate the host shadow rings */
-
-	bytes = 8 + (MYRI10GE_MAX_SEND_DESC_TSO + 4)
-	    * sizeof(*ss->tx.req_list);
-	ss->tx.req_bytes = kzalloc(bytes, GFP_KERNEL);
-	if (ss->tx.req_bytes == NULL)
-		goto abort_with_nothing;
-
-	/* ensure req_list entries are aligned to 8 bytes */
-	ss->tx.req_list = (struct mcp_kreq_ether_send *)
-	    ALIGN((unsigned long)ss->tx.req_bytes, 8);
-	ss->tx.queue_active = 0;
-
-	bytes = rx_ring_entries * sizeof(*ss->rx_small.shadow);
-	ss->rx_small.shadow = kzalloc(bytes, GFP_KERNEL);
-	if (ss->rx_small.shadow == NULL)
-		goto abort_with_tx_req_bytes;
-
-	bytes = rx_ring_entries * sizeof(*ss->rx_big.shadow);
-	ss->rx_big.shadow = kzalloc(bytes, GFP_KERNEL);
-	if (ss->rx_big.shadow == NULL)
-		goto abort_with_rx_small_shadow;
-
-	/* allocate the host info rings */
-
-	bytes = tx_ring_entries * sizeof(*ss->tx.info);
-	ss->tx.info = kzalloc(bytes, GFP_KERNEL);
-	if (ss->tx.info == NULL)
-		goto abort_with_rx_big_shadow;
-
-	bytes = rx_ring_entries * sizeof(*ss->rx_small.info);
-	ss->rx_small.info = kzalloc(bytes, GFP_KERNEL);
-	if (ss->rx_small.info == NULL)
-		goto abort_with_tx_info;
-
-	bytes = rx_ring_entries * sizeof(*ss->rx_big.info);
-	ss->rx_big.info = kzalloc(bytes, GFP_KERNEL);
-	if (ss->rx_big.info == NULL)
-		goto abort_with_rx_small_info;
-
-	/* Fill the receive rings */
-	ss->rx_big.cnt = 0;
-	ss->rx_small.cnt = 0;
-	ss->rx_big.fill_cnt = 0;
-	ss->rx_small.fill_cnt = 0;
-	ss->rx_small.page_offset = MYRI10GE_ALLOC_SIZE;
-	ss->rx_big.page_offset = MYRI10GE_ALLOC_SIZE;
-	ss->rx_small.watchdog_needed = 0;
-	ss->rx_big.watchdog_needed = 0;
-	if (mgp->small_bytes == 0) {
-		ss->rx_small.fill_cnt = ss->rx_small.mask + 1;
-	} else {
-		myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
-					mgp->small_bytes + MXGEFW_PAD, 0);
-	}
-
-	if (ss->rx_small.fill_cnt < ss->rx_small.mask + 1) {
-		netdev_err(dev, "slice-%d: alloced only %d small bufs\n",
-			   slice, ss->rx_small.fill_cnt);
-		goto abort_with_rx_small_ring;
-	}
-
-	myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
-	if (ss->rx_big.fill_cnt < ss->rx_big.mask + 1) {
-		netdev_err(dev, "slice-%d: alloced only %d big bufs\n",
-			   slice, ss->rx_big.fill_cnt);
-		goto abort_with_rx_big_ring;
-	}
-
-	return 0;
-
-abort_with_rx_big_ring:
-	for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
-		int idx = i & ss->rx_big.mask;
-		myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_big.info[idx],
-				       mgp->big_bytes);
-		put_page(ss->rx_big.info[idx].page);
-	}
-
-abort_with_rx_small_ring:
-	if (mgp->small_bytes == 0)
-		ss->rx_small.fill_cnt = ss->rx_small.cnt;
-	for (i = ss->rx_small.cnt; i < ss->rx_small.fill_cnt; i++) {
-		int idx = i & ss->rx_small.mask;
-		myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_small.info[idx],
-				       mgp->small_bytes + MXGEFW_PAD);
-		put_page(ss->rx_small.info[idx].page);
-	}
-
-	kfree(ss->rx_big.info);
-
-abort_with_rx_small_info:
-	kfree(ss->rx_small.info);
-
-abort_with_tx_info:
-	kfree(ss->tx.info);
-
-abort_with_rx_big_shadow:
-	kfree(ss->rx_big.shadow);
-
-abort_with_rx_small_shadow:
-	kfree(ss->rx_small.shadow);
-
-abort_with_tx_req_bytes:
-	kfree(ss->tx.req_bytes);
-	ss->tx.req_bytes = NULL;
-	ss->tx.req_list = NULL;
-
-abort_with_nothing:
-	return status;
-}
-
-static void myri10ge_free_rings(struct myri10ge_slice_state *ss)
-{
-	struct myri10ge_priv *mgp = ss->mgp;
-	struct sk_buff *skb;
-	struct myri10ge_tx_buf *tx;
-	int i, len, idx;
-
-	/* If not allocated, skip it */
-	if (ss->tx.req_list == NULL)
-		return;
-
-	for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
-		idx = i & ss->rx_big.mask;
-		if (i == ss->rx_big.fill_cnt - 1)
-			ss->rx_big.info[idx].page_offset = MYRI10GE_ALLOC_SIZE;
-		myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_big.info[idx],
-				       mgp->big_bytes);
-		put_page(ss->rx_big.info[idx].page);
-	}
-
-	if (mgp->small_bytes == 0)
-		ss->rx_small.fill_cnt = ss->rx_small.cnt;
-	for (i = ss->rx_small.cnt; i < ss->rx_small.fill_cnt; i++) {
-		idx = i & ss->rx_small.mask;
-		if (i == ss->rx_small.fill_cnt - 1)
-			ss->rx_small.info[idx].page_offset =
-			    MYRI10GE_ALLOC_SIZE;
-		myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_small.info[idx],
-				       mgp->small_bytes + MXGEFW_PAD);
-		put_page(ss->rx_small.info[idx].page);
-	}
-	tx = &ss->tx;
-	while (tx->done != tx->req) {
-		idx = tx->done & tx->mask;
-		skb = tx->info[idx].skb;
-
-		/* Mark as free */
-		tx->info[idx].skb = NULL;
-		tx->done++;
-		len = dma_unmap_len(&tx->info[idx], len);
-		dma_unmap_len_set(&tx->info[idx], len, 0);
-		if (skb) {
-			ss->stats.tx_dropped++;
-			dev_kfree_skb_any(skb);
-			if (len)
-				pci_unmap_single(mgp->pdev,
-						 dma_unmap_addr(&tx->info[idx],
-								bus), len,
-						 PCI_DMA_TODEVICE);
-		} else {
-			if (len)
-				pci_unmap_page(mgp->pdev,
-					       dma_unmap_addr(&tx->info[idx],
-							      bus), len,
-					       PCI_DMA_TODEVICE);
-		}
-	}
-	kfree(ss->rx_big.info);
-
-	kfree(ss->rx_small.info);
-
-	kfree(ss->tx.info);
-
-	kfree(ss->rx_big.shadow);
-
-	kfree(ss->rx_small.shadow);
-
-	kfree(ss->tx.req_bytes);
-	ss->tx.req_bytes = NULL;
-	ss->tx.req_list = NULL;
-}
-
-static int myri10ge_request_irq(struct myri10ge_priv *mgp)
-{
-	struct pci_dev *pdev = mgp->pdev;
-	struct myri10ge_slice_state *ss;
-	struct net_device *netdev = mgp->dev;
-	int i;
-	int status;
-
-	mgp->msi_enabled = 0;
-	mgp->msix_enabled = 0;
-	status = 0;
-	if (myri10ge_msi) {
-		if (mgp->num_slices > 1) {
-			status =
-			    pci_enable_msix(pdev, mgp->msix_vectors,
-					    mgp->num_slices);
-			if (status == 0) {
-				mgp->msix_enabled = 1;
-			} else {
-				dev_err(&pdev->dev,
-					"Error %d setting up MSI-X\n", status);
-				return status;
-			}
-		}
-		if (mgp->msix_enabled == 0) {
-			status = pci_enable_msi(pdev);
-			if (status != 0) {
-				dev_err(&pdev->dev,
-					"Error %d setting up MSI; falling back to xPIC\n",
-					status);
-			} else {
-				mgp->msi_enabled = 1;
-			}
-		}
-	}
-	if (mgp->msix_enabled) {
-		for (i = 0; i < mgp->num_slices; i++) {
-			ss = &mgp->ss[i];
-			snprintf(ss->irq_desc, sizeof(ss->irq_desc),
-				 "%s:slice-%d", netdev->name, i);
-			status = request_irq(mgp->msix_vectors[i].vector,
-					     myri10ge_intr, 0, ss->irq_desc,
-					     ss);
-			if (status != 0) {
-				dev_err(&pdev->dev,
-					"slice %d failed to allocate IRQ\n", i);
-				i--;
-				while (i >= 0) {
-					free_irq(mgp->msix_vectors[i].vector,
-						 &mgp->ss[i]);
-					i--;
-				}
-				pci_disable_msix(pdev);
-				return status;
-			}
-		}
-	} else {
-		status = request_irq(pdev->irq, myri10ge_intr, IRQF_SHARED,
-				     mgp->dev->name, &mgp->ss[0]);
-		if (status != 0) {
-			dev_err(&pdev->dev, "failed to allocate IRQ\n");
-			if (mgp->msi_enabled)
-				pci_disable_msi(pdev);
-		}
-	}
-	return status;
-}
-
-static void myri10ge_free_irq(struct myri10ge_priv *mgp)
-{
-	struct pci_dev *pdev = mgp->pdev;
-	int i;
-
-	if (mgp->msix_enabled) {
-		for (i = 0; i < mgp->num_slices; i++)
-			free_irq(mgp->msix_vectors[i].vector, &mgp->ss[i]);
-	} else {
-		free_irq(pdev->irq, &mgp->ss[0]);
-	}
-	if (mgp->msi_enabled)
-		pci_disable_msi(pdev);
-	if (mgp->msix_enabled)
-		pci_disable_msix(pdev);
-}
-
-static int
-myri10ge_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;
-	/* passed opaque through lro_receive_frags() */
-	__wsum csum = (__force __wsum) (unsigned long)priv;
-
-	/* find the mac header, aborting if not IPv4 */
-
-	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;
-
-			/*
-			 *  HW checksum starts ETH_HLEN bytes into
-			 *  frame, so we must subtract off the VLAN
-			 *  header's checksum before csum can be used
-			 */
-			csum = csum_sub(csum, csum_partial(va + ETH_HLEN,
-							   VLAN_HLEN, 0));
-		} else {
-			return -1;
-		}
-	}
-	*hdr_flags = LRO_IPV4;
-
-	iph = (struct iphdr *)(va + ll_hlen);
-	*ip_hdr = iph;
-	if (iph->protocol != IPPROTO_TCP)
-		return -1;
-	if (ip_is_fragment(iph))
-		return -1;
-	*hdr_flags |= LRO_TCP;
-	*tcpudp_hdr = (u8 *) (*ip_hdr) + (iph->ihl << 2);
-
-	/* verify the IP checksum */
-	if (unlikely(ip_fast_csum((u8 *) iph, iph->ihl)))
-		return -1;
-
-	/* verify the  checksum */
-	if (unlikely(csum_tcpudp_magic(iph->saddr, iph->daddr,
-				       ntohs(iph->tot_len) - (iph->ihl << 2),
-				       IPPROTO_TCP, csum)))
-		return -1;
-
-	return 0;
-}
-
-static int myri10ge_get_txrx(struct myri10ge_priv *mgp, int slice)
-{
-	struct myri10ge_cmd cmd;
-	struct myri10ge_slice_state *ss;
-	int status;
-
-	ss = &mgp->ss[slice];
-	status = 0;
-	if (slice == 0 || (mgp->dev->real_num_tx_queues > 1)) {
-		cmd.data0 = slice;
-		status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_OFFSET,
-					   &cmd, 0);
-		ss->tx.lanai = (struct mcp_kreq_ether_send __iomem *)
-		    (mgp->sram + cmd.data0);
-	}
-	cmd.data0 = slice;
-	status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SMALL_RX_OFFSET,
-				    &cmd, 0);
-	ss->rx_small.lanai = (struct mcp_kreq_ether_recv __iomem *)
-	    (mgp->sram + cmd.data0);
-
-	cmd.data0 = slice;
-	status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_BIG_RX_OFFSET, &cmd, 0);
-	ss->rx_big.lanai = (struct mcp_kreq_ether_recv __iomem *)
-	    (mgp->sram + cmd.data0);
-
-	ss->tx.send_go = (__iomem __be32 *)
-	    (mgp->sram + MXGEFW_ETH_SEND_GO + 64 * slice);
-	ss->tx.send_stop = (__iomem __be32 *)
-	    (mgp->sram + MXGEFW_ETH_SEND_STOP + 64 * slice);
-	return status;
-
-}
-
-static int myri10ge_set_stats(struct myri10ge_priv *mgp, int slice)
-{
-	struct myri10ge_cmd cmd;
-	struct myri10ge_slice_state *ss;
-	int status;
-
-	ss = &mgp->ss[slice];
-	cmd.data0 = MYRI10GE_LOWPART_TO_U32(ss->fw_stats_bus);
-	cmd.data1 = MYRI10GE_HIGHPART_TO_U32(ss->fw_stats_bus);
-	cmd.data2 = sizeof(struct mcp_irq_data) | (slice << 16);
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_STATS_DMA_V2, &cmd, 0);
-	if (status == -ENOSYS) {
-		dma_addr_t bus = ss->fw_stats_bus;
-		if (slice != 0)
-			return -EINVAL;
-		bus += offsetof(struct mcp_irq_data, send_done_count);
-		cmd.data0 = MYRI10GE_LOWPART_TO_U32(bus);
-		cmd.data1 = MYRI10GE_HIGHPART_TO_U32(bus);
-		status = myri10ge_send_cmd(mgp,
-					   MXGEFW_CMD_SET_STATS_DMA_OBSOLETE,
-					   &cmd, 0);
-		/* Firmware cannot support multicast without STATS_DMA_V2 */
-		mgp->fw_multicast_support = 0;
-	} else {
-		mgp->fw_multicast_support = 1;
-	}
-	return 0;
-}
-
-static int myri10ge_open(struct net_device *dev)
-{
-	struct myri10ge_slice_state *ss;
-	struct myri10ge_priv *mgp = netdev_priv(dev);
-	struct myri10ge_cmd cmd;
-	int i, status, big_pow2, slice;
-	u8 *itable;
-	struct net_lro_mgr *lro_mgr;
-
-	if (mgp->running != MYRI10GE_ETH_STOPPED)
-		return -EBUSY;
-
-	mgp->running = MYRI10GE_ETH_STARTING;
-	status = myri10ge_reset(mgp);
-	if (status != 0) {
-		netdev_err(dev, "failed reset\n");
-		goto abort_with_nothing;
-	}
-
-	if (mgp->num_slices > 1) {
-		cmd.data0 = mgp->num_slices;
-		cmd.data1 = MXGEFW_SLICE_INTR_MODE_ONE_PER_SLICE;
-		if (mgp->dev->real_num_tx_queues > 1)
-			cmd.data1 |= MXGEFW_SLICE_ENABLE_MULTIPLE_TX_QUEUES;
-		status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ENABLE_RSS_QUEUES,
-					   &cmd, 0);
-		if (status != 0) {
-			netdev_err(dev, "failed to set number of slices\n");
-			goto abort_with_nothing;
-		}
-		/* setup the indirection table */
-		cmd.data0 = mgp->num_slices;
-		status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_RSS_TABLE_SIZE,
-					   &cmd, 0);
-
-		status |= myri10ge_send_cmd(mgp,
-					    MXGEFW_CMD_GET_RSS_TABLE_OFFSET,
-					    &cmd, 0);
-		if (status != 0) {
-			netdev_err(dev, "failed to setup rss tables\n");
-			goto abort_with_nothing;
-		}
-
-		/* just enable an identity mapping */
-		itable = mgp->sram + cmd.data0;
-		for (i = 0; i < mgp->num_slices; i++)
-			__raw_writeb(i, &itable[i]);
-
-		cmd.data0 = 1;
-		cmd.data1 = myri10ge_rss_hash;
-		status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_RSS_ENABLE,
-					   &cmd, 0);
-		if (status != 0) {
-			netdev_err(dev, "failed to enable slices\n");
-			goto abort_with_nothing;
-		}
-	}
-
-	status = myri10ge_request_irq(mgp);
-	if (status != 0)
-		goto abort_with_nothing;
-
-	/* decide what small buffer size to use.  For good TCP rx
-	 * performance, it is important to not receive 1514 byte
-	 * frames into jumbo buffers, as it confuses the socket buffer
-	 * accounting code, leading to drops and erratic performance.
-	 */
-
-	if (dev->mtu <= ETH_DATA_LEN)
-		/* enough for a TCP header */
-		mgp->small_bytes = (128 > SMP_CACHE_BYTES)
-		    ? (128 - MXGEFW_PAD)
-		    : (SMP_CACHE_BYTES - MXGEFW_PAD);
-	else
-		/* enough for a vlan encapsulated ETH_DATA_LEN frame */
-		mgp->small_bytes = VLAN_ETH_FRAME_LEN;
-
-	/* Override the small buffer size? */
-	if (myri10ge_small_bytes >= 0)
-		mgp->small_bytes = myri10ge_small_bytes;
-
-	/* Firmware needs the big buff size as a power of 2.  Lie and
-	 * tell him the buffer is larger, because we only use 1
-	 * buffer/pkt, and the mtu will prevent overruns.
-	 */
-	big_pow2 = dev->mtu + ETH_HLEN + VLAN_HLEN + MXGEFW_PAD;
-	if (big_pow2 < MYRI10GE_ALLOC_SIZE / 2) {
-		while (!is_power_of_2(big_pow2))
-			big_pow2++;
-		mgp->big_bytes = dev->mtu + ETH_HLEN + VLAN_HLEN + MXGEFW_PAD;
-	} else {
-		big_pow2 = MYRI10GE_ALLOC_SIZE;
-		mgp->big_bytes = big_pow2;
-	}
-
-	/* setup the per-slice data structures */
-	for (slice = 0; slice < mgp->num_slices; slice++) {
-		ss = &mgp->ss[slice];
-
-		status = myri10ge_get_txrx(mgp, slice);
-		if (status != 0) {
-			netdev_err(dev, "failed to get ring sizes or locations\n");
-			goto abort_with_rings;
-		}
-		status = myri10ge_allocate_rings(ss);
-		if (status != 0)
-			goto abort_with_rings;
-
-		/* only firmware which supports multiple TX queues
-		 * supports setting up the tx stats on non-zero
-		 * slices */
-		if (slice == 0 || mgp->dev->real_num_tx_queues > 1)
-			status = myri10ge_set_stats(mgp, slice);
-		if (status) {
-			netdev_err(dev, "Couldn't set stats DMA\n");
-			goto abort_with_rings;
-		}
-
-		lro_mgr = &ss->rx_done.lro_mgr;
-		lro_mgr->dev = dev;
-		lro_mgr->features = LRO_F_NAPI;
-		lro_mgr->ip_summed = CHECKSUM_COMPLETE;
-		lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY;
-		lro_mgr->max_desc = MYRI10GE_MAX_LRO_DESCRIPTORS;
-		lro_mgr->lro_arr = ss->rx_done.lro_desc;
-		lro_mgr->get_frag_header = myri10ge_get_frag_header;
-		lro_mgr->max_aggr = myri10ge_lro_max_pkts;
-		lro_mgr->frag_align_pad = 2;
-		if (lro_mgr->max_aggr > MAX_SKB_FRAGS)
-			lro_mgr->max_aggr = MAX_SKB_FRAGS;
-
-		/* must happen prior to any irq */
-		napi_enable(&(ss)->napi);
-	}
-
-	/* now give firmware buffers sizes, and MTU */
-	cmd.data0 = dev->mtu + ETH_HLEN + VLAN_HLEN;
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_MTU, &cmd, 0);
-	cmd.data0 = mgp->small_bytes;
-	status |=
-	    myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_SMALL_BUFFER_SIZE, &cmd, 0);
-	cmd.data0 = big_pow2;
-	status |=
-	    myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_BIG_BUFFER_SIZE, &cmd, 0);
-	if (status) {
-		netdev_err(dev, "Couldn't set buffer sizes\n");
-		goto abort_with_rings;
-	}
-
-	/*
-	 * Set Linux style TSO mode; this is needed only on newer
-	 *  firmware versions.  Older versions default to Linux
-	 *  style TSO
-	 */
-	cmd.data0 = 0;
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_TSO_MODE, &cmd, 0);
-	if (status && status != -ENOSYS) {
-		netdev_err(dev, "Couldn't set TSO mode\n");
-		goto abort_with_rings;
-	}
-
-	mgp->link_state = ~0U;
-	mgp->rdma_tags_available = 15;
-
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ETHERNET_UP, &cmd, 0);
-	if (status) {
-		netdev_err(dev, "Couldn't bring up link\n");
-		goto abort_with_rings;
-	}
-
-	mgp->running = MYRI10GE_ETH_RUNNING;
-	mgp->watchdog_timer.expires = jiffies + myri10ge_watchdog_timeout * HZ;
-	add_timer(&mgp->watchdog_timer);
-	netif_tx_wake_all_queues(dev);
-
-	return 0;
-
-abort_with_rings:
-	while (slice) {
-		slice--;
-		napi_disable(&mgp->ss[slice].napi);
-	}
-	for (i = 0; i < mgp->num_slices; i++)
-		myri10ge_free_rings(&mgp->ss[i]);
-
-	myri10ge_free_irq(mgp);
-
-abort_with_nothing:
-	mgp->running = MYRI10GE_ETH_STOPPED;
-	return -ENOMEM;
-}
-
-static int myri10ge_close(struct net_device *dev)
-{
-	struct myri10ge_priv *mgp = netdev_priv(dev);
-	struct myri10ge_cmd cmd;
-	int status, old_down_cnt;
-	int i;
-
-	if (mgp->running != MYRI10GE_ETH_RUNNING)
-		return 0;
-
-	if (mgp->ss[0].tx.req_bytes == NULL)
-		return 0;
-
-	del_timer_sync(&mgp->watchdog_timer);
-	mgp->running = MYRI10GE_ETH_STOPPING;
-	for (i = 0; i < mgp->num_slices; i++) {
-		napi_disable(&mgp->ss[i].napi);
-	}
-	netif_carrier_off(dev);
-
-	netif_tx_stop_all_queues(dev);
-	if (mgp->rebooted == 0) {
-		old_down_cnt = mgp->down_cnt;
-		mb();
-		status =
-		    myri10ge_send_cmd(mgp, MXGEFW_CMD_ETHERNET_DOWN, &cmd, 0);
-		if (status)
-			netdev_err(dev, "Couldn't bring down link\n");
-
-		wait_event_timeout(mgp->down_wq, old_down_cnt != mgp->down_cnt,
-				   HZ);
-		if (old_down_cnt == mgp->down_cnt)
-			netdev_err(dev, "never got down irq\n");
-	}
-	netif_tx_disable(dev);
-	myri10ge_free_irq(mgp);
-	for (i = 0; i < mgp->num_slices; i++)
-		myri10ge_free_rings(&mgp->ss[i]);
-
-	mgp->running = MYRI10GE_ETH_STOPPED;
-	return 0;
-}
-
-/* copy an array of struct mcp_kreq_ether_send's to the mcp.  Copy
- * backwards one at a time and handle ring wraps */
-
-static inline void
-myri10ge_submit_req_backwards(struct myri10ge_tx_buf *tx,
-			      struct mcp_kreq_ether_send *src, int cnt)
-{
-	int idx, starting_slot;
-	starting_slot = tx->req;
-	while (cnt > 1) {
-		cnt--;
-		idx = (starting_slot + cnt) & tx->mask;
-		myri10ge_pio_copy(&tx->lanai[idx], &src[cnt], sizeof(*src));
-		mb();
-	}
-}
-
-/*
- * copy an array of struct mcp_kreq_ether_send's to the mcp.  Copy
- * at most 32 bytes at a time, so as to avoid involving the software
- * pio handler in the nic.   We re-write the first segment's flags
- * to mark them valid only after writing the entire chain.
- */
-
-static inline void
-myri10ge_submit_req(struct myri10ge_tx_buf *tx, struct mcp_kreq_ether_send *src,
-		    int cnt)
-{
-	int idx, i;
-	struct mcp_kreq_ether_send __iomem *dstp, *dst;
-	struct mcp_kreq_ether_send *srcp;
-	u8 last_flags;
-
-	idx = tx->req & tx->mask;
-
-	last_flags = src->flags;
-	src->flags = 0;
-	mb();
-	dst = dstp = &tx->lanai[idx];
-	srcp = src;
-
-	if ((idx + cnt) < tx->mask) {
-		for (i = 0; i < (cnt - 1); i += 2) {
-			myri10ge_pio_copy(dstp, srcp, 2 * sizeof(*src));
-			mb();	/* force write every 32 bytes */
-			srcp += 2;
-			dstp += 2;
-		}
-	} else {
-		/* submit all but the first request, and ensure
-		 * that it is submitted below */
-		myri10ge_submit_req_backwards(tx, src, cnt);
-		i = 0;
-	}
-	if (i < cnt) {
-		/* submit the first request */
-		myri10ge_pio_copy(dstp, srcp, sizeof(*src));
-		mb();		/* barrier before setting valid flag */
-	}
-
-	/* re-write the last 32-bits with the valid flags */
-	src->flags = last_flags;
-	put_be32(*((__be32 *) src + 3), (__be32 __iomem *) dst + 3);
-	tx->req += cnt;
-	mb();
-}
-
-/*
- * Transmit a packet.  We need to split the packet so that a single
- * segment does not cross myri10ge->tx_boundary, so this makes segment
- * counting tricky.  So rather than try to count segments up front, we
- * just give up if there are too few segments to hold a reasonably
- * fragmented packet currently available.  If we run
- * out of segments while preparing a packet for DMA, we just linearize
- * it and try again.
- */
-
-static netdev_tx_t myri10ge_xmit(struct sk_buff *skb,
-				       struct net_device *dev)
-{
-	struct myri10ge_priv *mgp = netdev_priv(dev);
-	struct myri10ge_slice_state *ss;
-	struct mcp_kreq_ether_send *req;
-	struct myri10ge_tx_buf *tx;
-	struct skb_frag_struct *frag;
-	struct netdev_queue *netdev_queue;
-	dma_addr_t bus;
-	u32 low;
-	__be32 high_swapped;
-	unsigned int len;
-	int idx, last_idx, avail, frag_cnt, frag_idx, count, mss, max_segments;
-	u16 pseudo_hdr_offset, cksum_offset, queue;
-	int cum_len, seglen, boundary, rdma_count;
-	u8 flags, odd_flag;
-
-	queue = skb_get_queue_mapping(skb);
-	ss = &mgp->ss[queue];
-	netdev_queue = netdev_get_tx_queue(mgp->dev, queue);
-	tx = &ss->tx;
-
-again:
-	req = tx->req_list;
-	avail = tx->mask - 1 - (tx->req - tx->done);
-
-	mss = 0;
-	max_segments = MXGEFW_MAX_SEND_DESC;
-
-	if (skb_is_gso(skb)) {
-		mss = skb_shinfo(skb)->gso_size;
-		max_segments = MYRI10GE_MAX_SEND_DESC_TSO;
-	}
-
-	if ((unlikely(avail < max_segments))) {
-		/* we are out of transmit resources */
-		tx->stop_queue++;
-		netif_tx_stop_queue(netdev_queue);
-		return NETDEV_TX_BUSY;
-	}
-
-	/* Setup checksum offloading, if needed */
-	cksum_offset = 0;
-	pseudo_hdr_offset = 0;
-	odd_flag = 0;
-	flags = (MXGEFW_FLAGS_NO_TSO | MXGEFW_FLAGS_FIRST);
-	if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
-		cksum_offset = skb_checksum_start_offset(skb);
-		pseudo_hdr_offset = cksum_offset + skb->csum_offset;
-		/* If the headers are excessively large, then we must
-		 * fall back to a software checksum */
-		if (unlikely(!mss && (cksum_offset > 255 ||
-				      pseudo_hdr_offset > 127))) {
-			if (skb_checksum_help(skb))
-				goto drop;
-			cksum_offset = 0;
-			pseudo_hdr_offset = 0;
-		} else {
-			odd_flag = MXGEFW_FLAGS_ALIGN_ODD;
-			flags |= MXGEFW_FLAGS_CKSUM;
-		}
-	}
-
-	cum_len = 0;
-
-	if (mss) {		/* TSO */
-		/* this removes any CKSUM flag from before */
-		flags = (MXGEFW_FLAGS_TSO_HDR | MXGEFW_FLAGS_FIRST);
-
-		/* negative cum_len signifies to the
-		 * send loop that we are still in the
-		 * header portion of the TSO packet.
-		 * TSO header can be at most 1KB long */
-		cum_len = -(skb_transport_offset(skb) + tcp_hdrlen(skb));
-
-		/* for IPv6 TSO, the checksum offset stores the
-		 * TCP header length, to save the firmware from
-		 * the need to parse the headers */
-		if (skb_is_gso_v6(skb)) {
-			cksum_offset = tcp_hdrlen(skb);
-			/* Can only handle headers <= max_tso6 long */
-			if (unlikely(-cum_len > mgp->max_tso6))
-				return myri10ge_sw_tso(skb, dev);
-		}
-		/* for TSO, pseudo_hdr_offset holds mss.
-		 * The firmware figures out where to put
-		 * the checksum by parsing the header. */
-		pseudo_hdr_offset = mss;
-	} else
-		/* Mark small packets, and pad out tiny packets */
-	if (skb->len <= MXGEFW_SEND_SMALL_SIZE) {
-		flags |= MXGEFW_FLAGS_SMALL;
-
-		/* pad frames to at least ETH_ZLEN bytes */
-		if (unlikely(skb->len < ETH_ZLEN)) {
-			if (skb_padto(skb, ETH_ZLEN)) {
-				/* The packet is gone, so we must
-				 * return 0 */
-				ss->stats.tx_dropped += 1;
-				return NETDEV_TX_OK;
-			}
-			/* adjust the len to account for the zero pad
-			 * so that the nic can know how long it is */
-			skb->len = ETH_ZLEN;
-		}
-	}
-
-	/* map the skb for DMA */
-	len = skb_headlen(skb);
-	idx = tx->req & tx->mask;
-	tx->info[idx].skb = skb;
-	bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE);
-	dma_unmap_addr_set(&tx->info[idx], bus, bus);
-	dma_unmap_len_set(&tx->info[idx], len, len);
-
-	frag_cnt = skb_shinfo(skb)->nr_frags;
-	frag_idx = 0;
-	count = 0;
-	rdma_count = 0;
-
-	/* "rdma_count" is the number of RDMAs belonging to the
-	 * current packet BEFORE the current send request. For
-	 * non-TSO packets, this is equal to "count".
-	 * For TSO packets, rdma_count needs to be reset
-	 * to 0 after a segment cut.
-	 *
-	 * The rdma_count field of the send request is
-	 * the number of RDMAs of the packet starting at
-	 * that request. For TSO send requests with one ore more cuts
-	 * in the middle, this is the number of RDMAs starting
-	 * after the last cut in the request. All previous
-	 * segments before the last cut implicitly have 1 RDMA.
-	 *
-	 * Since the number of RDMAs is not known beforehand,
-	 * it must be filled-in retroactively - after each
-	 * segmentation cut or at the end of the entire packet.
-	 */
-
-	while (1) {
-		/* Break the SKB or Fragment up into pieces which
-		 * do not cross mgp->tx_boundary */
-		low = MYRI10GE_LOWPART_TO_U32(bus);
-		high_swapped = htonl(MYRI10GE_HIGHPART_TO_U32(bus));
-		while (len) {
-			u8 flags_next;
-			int cum_len_next;
-
-			if (unlikely(count == max_segments))
-				goto abort_linearize;
-
-			boundary =
-			    (low + mgp->tx_boundary) & ~(mgp->tx_boundary - 1);
-			seglen = boundary - low;
-			if (seglen > len)
-				seglen = len;
-			flags_next = flags & ~MXGEFW_FLAGS_FIRST;
-			cum_len_next = cum_len + seglen;
-			if (mss) {	/* TSO */
-				(req - rdma_count)->rdma_count = rdma_count + 1;
-
-				if (likely(cum_len >= 0)) {	/* payload */
-					int next_is_first, chop;
-
-					chop = (cum_len_next > mss);
-					cum_len_next = cum_len_next % mss;
-					next_is_first = (cum_len_next == 0);
-					flags |= chop * MXGEFW_FLAGS_TSO_CHOP;
-					flags_next |= next_is_first *
-					    MXGEFW_FLAGS_FIRST;
-					rdma_count |= -(chop | next_is_first);
-					rdma_count += chop & !next_is_first;
-				} else if (likely(cum_len_next >= 0)) {	/* header ends */
-					int small;
-
-					rdma_count = -1;
-					cum_len_next = 0;
-					seglen = -cum_len;
-					small = (mss <= MXGEFW_SEND_SMALL_SIZE);
-					flags_next = MXGEFW_FLAGS_TSO_PLD |
-					    MXGEFW_FLAGS_FIRST |
-					    (small * MXGEFW_FLAGS_SMALL);
-				}
-			}
-			req->addr_high = high_swapped;
-			req->addr_low = htonl(low);
-			req->pseudo_hdr_offset = htons(pseudo_hdr_offset);
-			req->pad = 0;	/* complete solid 16-byte block; does this matter? */
-			req->rdma_count = 1;
-			req->length = htons(seglen);
-			req->cksum_offset = cksum_offset;
-			req->flags = flags | ((cum_len & 1) * odd_flag);
-
-			low += seglen;
-			len -= seglen;
-			cum_len = cum_len_next;
-			flags = flags_next;
-			req++;
-			count++;
-			rdma_count++;
-			if (cksum_offset != 0 && !(mss && skb_is_gso_v6(skb))) {
-				if (unlikely(cksum_offset > seglen))
-					cksum_offset -= seglen;
-				else
-					cksum_offset = 0;
-			}
-		}
-		if (frag_idx == frag_cnt)
-			break;
-
-		/* map next fragment for DMA */
-		idx = (count + tx->req) & tx->mask;
-		frag = &skb_shinfo(skb)->frags[frag_idx];
-		frag_idx++;
-		len = frag->size;
-		bus = pci_map_page(mgp->pdev, frag->page, frag->page_offset,
-				   len, PCI_DMA_TODEVICE);
-		dma_unmap_addr_set(&tx->info[idx], bus, bus);
-		dma_unmap_len_set(&tx->info[idx], len, len);
-	}
-
-	(req - rdma_count)->rdma_count = rdma_count;
-	if (mss)
-		do {
-			req--;
-			req->flags |= MXGEFW_FLAGS_TSO_LAST;
-		} while (!(req->flags & (MXGEFW_FLAGS_TSO_CHOP |
-					 MXGEFW_FLAGS_FIRST)));
-	idx = ((count - 1) + tx->req) & tx->mask;
-	tx->info[idx].last = 1;
-	myri10ge_submit_req(tx, tx->req_list, count);
-	/* if using multiple tx queues, make sure NIC polls the
-	 * current slice */
-	if ((mgp->dev->real_num_tx_queues > 1) && tx->queue_active == 0) {
-		tx->queue_active = 1;
-		put_be32(htonl(1), tx->send_go);
-		mb();
-		mmiowb();
-	}
-	tx->pkt_start++;
-	if ((avail - count) < MXGEFW_MAX_SEND_DESC) {
-		tx->stop_queue++;
-		netif_tx_stop_queue(netdev_queue);
-	}
-	return NETDEV_TX_OK;
-
-abort_linearize:
-	/* Free any DMA resources we've alloced and clear out the skb
-	 * slot so as to not trip up assertions, and to avoid a
-	 * double-free if linearizing fails */
-
-	last_idx = (idx + 1) & tx->mask;
-	idx = tx->req & tx->mask;
-	tx->info[idx].skb = NULL;
-	do {
-		len = dma_unmap_len(&tx->info[idx], len);
-		if (len) {
-			if (tx->info[idx].skb != NULL)
-				pci_unmap_single(mgp->pdev,
-						 dma_unmap_addr(&tx->info[idx],
-								bus), len,
-						 PCI_DMA_TODEVICE);
-			else
-				pci_unmap_page(mgp->pdev,
-					       dma_unmap_addr(&tx->info[idx],
-							      bus), len,
-					       PCI_DMA_TODEVICE);
-			dma_unmap_len_set(&tx->info[idx], len, 0);
-			tx->info[idx].skb = NULL;
-		}
-		idx = (idx + 1) & tx->mask;
-	} while (idx != last_idx);
-	if (skb_is_gso(skb)) {
-		netdev_err(mgp->dev, "TSO but wanted to linearize?!?!?\n");
-		goto drop;
-	}
-
-	if (skb_linearize(skb))
-		goto drop;
-
-	tx->linearized++;
-	goto again;
-
-drop:
-	dev_kfree_skb_any(skb);
-	ss->stats.tx_dropped += 1;
-	return NETDEV_TX_OK;
-
-}
-
-static netdev_tx_t myri10ge_sw_tso(struct sk_buff *skb,
-					 struct net_device *dev)
-{
-	struct sk_buff *segs, *curr;
-	struct myri10ge_priv *mgp = netdev_priv(dev);
-	struct myri10ge_slice_state *ss;
-	netdev_tx_t status;
-
-	segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO6);
-	if (IS_ERR(segs))
-		goto drop;
-
-	while (segs) {
-		curr = segs;
-		segs = segs->next;
-		curr->next = NULL;
-		status = myri10ge_xmit(curr, dev);
-		if (status != 0) {
-			dev_kfree_skb_any(curr);
-			if (segs != NULL) {
-				curr = segs;
-				segs = segs->next;
-				curr->next = NULL;
-				dev_kfree_skb_any(segs);
-			}
-			goto drop;
-		}
-	}
-	dev_kfree_skb_any(skb);
-	return NETDEV_TX_OK;
-
-drop:
-	ss = &mgp->ss[skb_get_queue_mapping(skb)];
-	dev_kfree_skb_any(skb);
-	ss->stats.tx_dropped += 1;
-	return NETDEV_TX_OK;
-}
-
-static struct rtnl_link_stats64 *myri10ge_get_stats(struct net_device *dev,
-						    struct rtnl_link_stats64 *stats)
-{
-	const struct myri10ge_priv *mgp = netdev_priv(dev);
-	const struct myri10ge_slice_netstats *slice_stats;
-	int i;
-
-	for (i = 0; i < mgp->num_slices; i++) {
-		slice_stats = &mgp->ss[i].stats;
-		stats->rx_packets += slice_stats->rx_packets;
-		stats->tx_packets += slice_stats->tx_packets;
-		stats->rx_bytes += slice_stats->rx_bytes;
-		stats->tx_bytes += slice_stats->tx_bytes;
-		stats->rx_dropped += slice_stats->rx_dropped;
-		stats->tx_dropped += slice_stats->tx_dropped;
-	}
-	return stats;
-}
-
-static void myri10ge_set_multicast_list(struct net_device *dev)
-{
-	struct myri10ge_priv *mgp = netdev_priv(dev);
-	struct myri10ge_cmd cmd;
-	struct netdev_hw_addr *ha;
-	__be32 data[2] = { 0, 0 };
-	int err;
-
-	/* can be called from atomic contexts,
-	 * pass 1 to force atomicity in myri10ge_send_cmd() */
-	myri10ge_change_promisc(mgp, dev->flags & IFF_PROMISC, 1);
-
-	/* This firmware is known to not support multicast */
-	if (!mgp->fw_multicast_support)
-		return;
-
-	/* Disable multicast filtering */
-
-	err = myri10ge_send_cmd(mgp, MXGEFW_ENABLE_ALLMULTI, &cmd, 1);
-	if (err != 0) {
-		netdev_err(dev, "Failed MXGEFW_ENABLE_ALLMULTI, error status: %d\n",
-			   err);
-		goto abort;
-	}
-
-	if ((dev->flags & IFF_ALLMULTI) || mgp->adopted_rx_filter_bug) {
-		/* request to disable multicast filtering, so quit here */
-		return;
-	}
-
-	/* Flush the filters */
-
-	err = myri10ge_send_cmd(mgp, MXGEFW_LEAVE_ALL_MULTICAST_GROUPS,
-				&cmd, 1);
-	if (err != 0) {
-		netdev_err(dev, "Failed MXGEFW_LEAVE_ALL_MULTICAST_GROUPS, error status: %d\n",
-			   err);
-		goto abort;
-	}
-
-	/* Walk the multicast list, and add each address */
-	netdev_for_each_mc_addr(ha, dev) {
-		memcpy(data, &ha->addr, 6);
-		cmd.data0 = ntohl(data[0]);
-		cmd.data1 = ntohl(data[1]);
-		err = myri10ge_send_cmd(mgp, MXGEFW_JOIN_MULTICAST_GROUP,
-					&cmd, 1);
-
-		if (err != 0) {
-			netdev_err(dev, "Failed MXGEFW_JOIN_MULTICAST_GROUP, error status:%d %pM\n",
-				   err, ha->addr);
-			goto abort;
-		}
-	}
-	/* Enable multicast filtering */
-	err = myri10ge_send_cmd(mgp, MXGEFW_DISABLE_ALLMULTI, &cmd, 1);
-	if (err != 0) {
-		netdev_err(dev, "Failed MXGEFW_DISABLE_ALLMULTI, error status: %d\n",
-			   err);
-		goto abort;
-	}
-
-	return;
-
-abort:
-	return;
-}
-
-static int myri10ge_set_mac_address(struct net_device *dev, void *addr)
-{
-	struct sockaddr *sa = addr;
-	struct myri10ge_priv *mgp = netdev_priv(dev);
-	int status;
-
-	if (!is_valid_ether_addr(sa->sa_data))
-		return -EADDRNOTAVAIL;
-
-	status = myri10ge_update_mac_address(mgp, sa->sa_data);
-	if (status != 0) {
-		netdev_err(dev, "changing mac address failed with %d\n",
-			   status);
-		return status;
-	}
-
-	/* change the dev structure */
-	memcpy(dev->dev_addr, sa->sa_data, 6);
-	return 0;
-}
-
-static u32 myri10ge_fix_features(struct net_device *dev, u32 features)
-{
-	if (!(features & NETIF_F_RXCSUM))
-		features &= ~NETIF_F_LRO;
-
-	return features;
-}
-
-static int myri10ge_change_mtu(struct net_device *dev, int new_mtu)
-{
-	struct myri10ge_priv *mgp = netdev_priv(dev);
-	int error = 0;
-
-	if ((new_mtu < 68) || (ETH_HLEN + new_mtu > MYRI10GE_MAX_ETHER_MTU)) {
-		netdev_err(dev, "new mtu (%d) is not valid\n", new_mtu);
-		return -EINVAL;
-	}
-	netdev_info(dev, "changing mtu from %d to %d\n", dev->mtu, new_mtu);
-	if (mgp->running) {
-		/* if we change the mtu on an active device, we must
-		 * reset the device so the firmware sees the change */
-		myri10ge_close(dev);
-		dev->mtu = new_mtu;
-		myri10ge_open(dev);
-	} else
-		dev->mtu = new_mtu;
-
-	return error;
-}
-
-/*
- * Enable ECRC to align PCI-E Completion packets on an 8-byte boundary.
- * Only do it if the bridge is a root port since we don't want to disturb
- * any other device, except if forced with myri10ge_ecrc_enable > 1.
- */
-
-static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
-{
-	struct pci_dev *bridge = mgp->pdev->bus->self;
-	struct device *dev = &mgp->pdev->dev;
-	int cap;
-	unsigned err_cap;
-	u16 val;
-	u8 ext_type;
-	int ret;
-
-	if (!myri10ge_ecrc_enable || !bridge)
-		return;
-
-	/* check that the bridge is a root port */
-	cap = pci_pcie_cap(bridge);
-	pci_read_config_word(bridge, cap + PCI_CAP_FLAGS, &val);
-	ext_type = (val & PCI_EXP_FLAGS_TYPE) >> 4;
-	if (ext_type != PCI_EXP_TYPE_ROOT_PORT) {
-		if (myri10ge_ecrc_enable > 1) {
-			struct pci_dev *prev_bridge, *old_bridge = bridge;
-
-			/* Walk the hierarchy up to the root port
-			 * where ECRC has to be enabled */
-			do {
-				prev_bridge = bridge;
-				bridge = bridge->bus->self;
-				if (!bridge || prev_bridge == bridge) {
-					dev_err(dev,
-						"Failed to find root port"
-						" to force ECRC\n");
-					return;
-				}
-				cap = pci_pcie_cap(bridge);
-				pci_read_config_word(bridge,
-						     cap + PCI_CAP_FLAGS, &val);
-				ext_type = (val & PCI_EXP_FLAGS_TYPE) >> 4;
-			} while (ext_type != PCI_EXP_TYPE_ROOT_PORT);
-
-			dev_info(dev,
-				 "Forcing ECRC on non-root port %s"
-				 " (enabling on root port %s)\n",
-				 pci_name(old_bridge), pci_name(bridge));
-		} else {
-			dev_err(dev,
-				"Not enabling ECRC on non-root port %s\n",
-				pci_name(bridge));
-			return;
-		}
-	}
-
-	cap = pci_find_ext_capability(bridge, PCI_EXT_CAP_ID_ERR);
-	if (!cap)
-		return;
-
-	ret = pci_read_config_dword(bridge, cap + PCI_ERR_CAP, &err_cap);
-	if (ret) {
-		dev_err(dev, "failed reading ext-conf-space of %s\n",
-			pci_name(bridge));
-		dev_err(dev, "\t pci=nommconf in use? "
-			"or buggy/incomplete/absent ACPI MCFG attr?\n");
-		return;
-	}
-	if (!(err_cap & PCI_ERR_CAP_ECRC_GENC))
-		return;
-
-	err_cap |= PCI_ERR_CAP_ECRC_GENE;
-	pci_write_config_dword(bridge, cap + PCI_ERR_CAP, err_cap);
-	dev_info(dev, "Enabled ECRC on upstream bridge %s\n", pci_name(bridge));
-}
-
-/*
- * The Lanai Z8E PCI-E interface achieves higher Read-DMA throughput
- * when the PCI-E Completion packets are aligned on an 8-byte
- * boundary.  Some PCI-E chip sets always align Completion packets; on
- * the ones that do not, the alignment can be enforced by enabling
- * ECRC generation (if supported).
- *
- * When PCI-E Completion packets are not aligned, it is actually more
- * efficient to limit Read-DMA transactions to 2KB, rather than 4KB.
- *
- * If the driver can neither enable ECRC nor verify that it has
- * already been enabled, then it must use a firmware image which works
- * around unaligned completion packets (myri10ge_rss_ethp_z8e.dat), and it
- * should also ensure that it never gives the device a Read-DMA which is
- * larger than 2KB by setting the tx_boundary to 2KB.  If ECRC is
- * enabled, then the driver should use the aligned (myri10ge_rss_eth_z8e.dat)
- * firmware image, and set tx_boundary to 4KB.
- */
-
-static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
-{
-	struct pci_dev *pdev = mgp->pdev;
-	struct device *dev = &pdev->dev;
-	int status;
-
-	mgp->tx_boundary = 4096;
-	/*
-	 * Verify the max read request size was set to 4KB
-	 * before trying the test with 4KB.
-	 */
-	status = pcie_get_readrq(pdev);
-	if (status < 0) {
-		dev_err(dev, "Couldn't read max read req size: %d\n", status);
-		goto abort;
-	}
-	if (status != 4096) {
-		dev_warn(dev, "Max Read Request size != 4096 (%d)\n", status);
-		mgp->tx_boundary = 2048;
-	}
-	/*
-	 * load the optimized firmware (which assumes aligned PCIe
-	 * completions) in order to see if it works on this host.
-	 */
-	set_fw_name(mgp, myri10ge_fw_aligned, false);
-	status = myri10ge_load_firmware(mgp, 1);
-	if (status != 0) {
-		goto abort;
-	}
-
-	/*
-	 * Enable ECRC if possible
-	 */
-	myri10ge_enable_ecrc(mgp);
-
-	/*
-	 * Run a DMA test which watches for unaligned completions and
-	 * aborts on the first one seen.
-	 */
-
-	status = myri10ge_dma_test(mgp, MXGEFW_CMD_UNALIGNED_TEST);
-	if (status == 0)
-		return;		/* keep the aligned firmware */
-
-	if (status != -E2BIG)
-		dev_warn(dev, "DMA test failed: %d\n", status);
-	if (status == -ENOSYS)
-		dev_warn(dev, "Falling back to ethp! "
-			 "Please install up to date fw\n");
-abort:
-	/* fall back to using the unaligned firmware */
-	mgp->tx_boundary = 2048;
-	set_fw_name(mgp, myri10ge_fw_unaligned, false);
-}
-
-static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
-{
-	int overridden = 0;
-
-	if (myri10ge_force_firmware == 0) {
-		int link_width, exp_cap;
-		u16 lnk;
-
-		exp_cap = pci_pcie_cap(mgp->pdev);
-		pci_read_config_word(mgp->pdev, exp_cap + PCI_EXP_LNKSTA, &lnk);
-		link_width = (lnk >> 4) & 0x3f;
-
-		/* Check to see if Link is less than 8 or if the
-		 * upstream bridge is known to provide aligned
-		 * completions */
-		if (link_width < 8) {
-			dev_info(&mgp->pdev->dev, "PCIE x%d Link\n",
-				 link_width);
-			mgp->tx_boundary = 4096;
-			set_fw_name(mgp, myri10ge_fw_aligned, false);
-		} else {
-			myri10ge_firmware_probe(mgp);
-		}
-	} else {
-		if (myri10ge_force_firmware == 1) {
-			dev_info(&mgp->pdev->dev,
-				 "Assuming aligned completions (forced)\n");
-			mgp->tx_boundary = 4096;
-			set_fw_name(mgp, myri10ge_fw_aligned, false);
-		} else {
-			dev_info(&mgp->pdev->dev,
-				 "Assuming unaligned completions (forced)\n");
-			mgp->tx_boundary = 2048;
-			set_fw_name(mgp, myri10ge_fw_unaligned, false);
-		}
-	}
-
-	kparam_block_sysfs_write(myri10ge_fw_name);
-	if (myri10ge_fw_name != NULL) {
-		char *fw_name = kstrdup(myri10ge_fw_name, GFP_KERNEL);
-		if (fw_name) {
-			overridden = 1;
-			set_fw_name(mgp, fw_name, true);
-		}
-	}
-	kparam_unblock_sysfs_write(myri10ge_fw_name);
-
-	if (mgp->board_number < MYRI10GE_MAX_BOARDS &&
-	    myri10ge_fw_names[mgp->board_number] != NULL &&
-	    strlen(myri10ge_fw_names[mgp->board_number])) {
-		set_fw_name(mgp, myri10ge_fw_names[mgp->board_number], false);
-		overridden = 1;
-	}
-	if (overridden)
-		dev_info(&mgp->pdev->dev, "overriding firmware to %s\n",
-			 mgp->fw_name);
-}
-
-static void myri10ge_mask_surprise_down(struct pci_dev *pdev)
-{
-	struct pci_dev *bridge = pdev->bus->self;
-	int cap;
-	u32 mask;
-
-	if (bridge == NULL)
-		return;
-
-	cap = pci_find_ext_capability(bridge, PCI_EXT_CAP_ID_ERR);
-	if (cap) {
-		/* a sram parity error can cause a surprise link
-		 * down; since we expect and can recover from sram
-		 * parity errors, mask surprise link down events */
-		pci_read_config_dword(bridge, cap + PCI_ERR_UNCOR_MASK, &mask);
-		mask |= 0x20;
-		pci_write_config_dword(bridge, cap + PCI_ERR_UNCOR_MASK, mask);
-	}
-}
-
-#ifdef CONFIG_PM
-static int myri10ge_suspend(struct pci_dev *pdev, pm_message_t state)
-{
-	struct myri10ge_priv *mgp;
-	struct net_device *netdev;
-
-	mgp = pci_get_drvdata(pdev);
-	if (mgp == NULL)
-		return -EINVAL;
-	netdev = mgp->dev;
-
-	netif_device_detach(netdev);
-	if (netif_running(netdev)) {
-		netdev_info(netdev, "closing\n");
-		rtnl_lock();
-		myri10ge_close(netdev);
-		rtnl_unlock();
-	}
-	myri10ge_dummy_rdma(mgp, 0);
-	pci_save_state(pdev);
-	pci_disable_device(pdev);
-
-	return pci_set_power_state(pdev, pci_choose_state(pdev, state));
-}
-
-static int myri10ge_resume(struct pci_dev *pdev)
-{
-	struct myri10ge_priv *mgp;
-	struct net_device *netdev;
-	int status;
-	u16 vendor;
-
-	mgp = pci_get_drvdata(pdev);
-	if (mgp == NULL)
-		return -EINVAL;
-	netdev = mgp->dev;
-	pci_set_power_state(pdev, 0);	/* zeros conf space as a side effect */
-	msleep(5);		/* give card time to respond */
-	pci_read_config_word(mgp->pdev, PCI_VENDOR_ID, &vendor);
-	if (vendor == 0xffff) {
-		netdev_err(mgp->dev, "device disappeared!\n");
-		return -EIO;
-	}
-
-	pci_restore_state(pdev);
-
-	status = pci_enable_device(pdev);
-	if (status) {
-		dev_err(&pdev->dev, "failed to enable device\n");
-		return status;
-	}
-
-	pci_set_master(pdev);
-
-	myri10ge_reset(mgp);
-	myri10ge_dummy_rdma(mgp, 1);
-
-	/* Save configuration space to be restored if the
-	 * nic resets due to a parity error */
-	pci_save_state(pdev);
-
-	if (netif_running(netdev)) {
-		rtnl_lock();
-		status = myri10ge_open(netdev);
-		rtnl_unlock();
-		if (status != 0)
-			goto abort_with_enabled;
-
-	}
-	netif_device_attach(netdev);
-
-	return 0;
-
-abort_with_enabled:
-	pci_disable_device(pdev);
-	return -EIO;
-
-}
-#endif				/* CONFIG_PM */
-
-static u32 myri10ge_read_reboot(struct myri10ge_priv *mgp)
-{
-	struct pci_dev *pdev = mgp->pdev;
-	int vs = mgp->vendor_specific_offset;
-	u32 reboot;
-
-	/*enter read32 mode */
-	pci_write_config_byte(pdev, vs + 0x10, 0x3);
-
-	/*read REBOOT_STATUS (0xfffffff0) */
-	pci_write_config_dword(pdev, vs + 0x18, 0xfffffff0);
-	pci_read_config_dword(pdev, vs + 0x14, &reboot);
-	return reboot;
-}
-
-static void
-myri10ge_check_slice(struct myri10ge_slice_state *ss, int *reset_needed,
-		     int *busy_slice_cnt, u32 rx_pause_cnt)
-{
-	struct myri10ge_priv *mgp = ss->mgp;
-	int slice = ss - mgp->ss;
-
-	if (ss->tx.req != ss->tx.done &&
-	    ss->tx.done == ss->watchdog_tx_done &&
-	    ss->watchdog_tx_req != ss->watchdog_tx_done) {
-		/* nic seems like it might be stuck.. */
-		if (rx_pause_cnt != mgp->watchdog_pause) {
-			if (net_ratelimit())
-				netdev_warn(mgp->dev, "slice %d: TX paused, "
-					    "check link partner\n", slice);
-		} else {
-			netdev_warn(mgp->dev,
-				    "slice %d: TX stuck %d %d %d %d %d %d\n",
-				    slice, ss->tx.queue_active, ss->tx.req,
-				    ss->tx.done, ss->tx.pkt_start,
-				    ss->tx.pkt_done,
-				    (int)ntohl(mgp->ss[slice].fw_stats->
-					       send_done_count));
-			*reset_needed = 1;
-			ss->stuck = 1;
-		}
-	}
-	if (ss->watchdog_tx_done != ss->tx.done ||
-	    ss->watchdog_rx_done != ss->rx_done.cnt) {
-		*busy_slice_cnt += 1;
-	}
-	ss->watchdog_tx_done = ss->tx.done;
-	ss->watchdog_tx_req = ss->tx.req;
-	ss->watchdog_rx_done = ss->rx_done.cnt;
-}
-
-/*
- * This watchdog is used to check whether the board has suffered
- * from a parity error and needs to be recovered.
- */
-static void myri10ge_watchdog(struct work_struct *work)
-{
-	struct myri10ge_priv *mgp =
-	    container_of(work, struct myri10ge_priv, watchdog_work);
-	struct myri10ge_slice_state *ss;
-	u32 reboot, rx_pause_cnt;
-	int status, rebooted;
-	int i;
-	int reset_needed = 0;
-	int busy_slice_cnt = 0;
-	u16 cmd, vendor;
-
-	mgp->watchdog_resets++;
-	pci_read_config_word(mgp->pdev, PCI_COMMAND, &cmd);
-	rebooted = 0;
-	if ((cmd & PCI_COMMAND_MASTER) == 0) {
-		/* Bus master DMA disabled?  Check to see
-		 * if the card rebooted due to a parity error
-		 * For now, just report it */
-		reboot = myri10ge_read_reboot(mgp);
-		netdev_err(mgp->dev, "NIC rebooted (0x%x),%s resetting\n",
-			   reboot, myri10ge_reset_recover ? "" : " not");
-		if (myri10ge_reset_recover == 0)
-			return;
-		rtnl_lock();
-		mgp->rebooted = 1;
-		rebooted = 1;
-		myri10ge_close(mgp->dev);
-		myri10ge_reset_recover--;
-		mgp->rebooted = 0;
-		/*
-		 * A rebooted nic will come back with config space as
-		 * it was after power was applied to PCIe bus.
-		 * Attempt to restore config space which was saved
-		 * when the driver was loaded, or the last time the
-		 * nic was resumed from power saving mode.
-		 */
-		pci_restore_state(mgp->pdev);
-
-		/* save state again for accounting reasons */
-		pci_save_state(mgp->pdev);
-
-	} else {
-		/* if we get back -1's from our slot, perhaps somebody
-		 * powered off our card.  Don't try to reset it in
-		 * this case */
-		if (cmd == 0xffff) {
-			pci_read_config_word(mgp->pdev, PCI_VENDOR_ID, &vendor);
-			if (vendor == 0xffff) {
-				netdev_err(mgp->dev, "device disappeared!\n");
-				return;
-			}
-		}
-		/* Perhaps it is a software error. See if stuck slice
-		 * has recovered, reset if not */
-		rx_pause_cnt = ntohl(mgp->ss[0].fw_stats->dropped_pause);
-		for (i = 0; i < mgp->num_slices; i++) {
-			ss = mgp->ss;
-			if (ss->stuck) {
-				myri10ge_check_slice(ss, &reset_needed,
-						     &busy_slice_cnt,
-						     rx_pause_cnt);
-				ss->stuck = 0;
-			}
-		}
-		if (!reset_needed) {
-			netdev_dbg(mgp->dev, "not resetting\n");
-			return;
-		}
-
-		netdev_err(mgp->dev, "device timeout, resetting\n");
-	}
-
-	if (!rebooted) {
-		rtnl_lock();
-		myri10ge_close(mgp->dev);
-	}
-	status = myri10ge_load_firmware(mgp, 1);
-	if (status != 0)
-		netdev_err(mgp->dev, "failed to load firmware\n");
-	else
-		myri10ge_open(mgp->dev);
-	rtnl_unlock();
-}
-
-/*
- * We use our own timer routine rather than relying upon
- * netdev->tx_timeout because we have a very large hardware transmit
- * queue.  Due to the large queue, the netdev->tx_timeout function
- * cannot detect a NIC with a parity error in a timely fashion if the
- * NIC is lightly loaded.
- */
-static void myri10ge_watchdog_timer(unsigned long arg)
-{
-	struct myri10ge_priv *mgp;
-	struct myri10ge_slice_state *ss;
-	int i, reset_needed, busy_slice_cnt;
-	u32 rx_pause_cnt;
-	u16 cmd;
-
-	mgp = (struct myri10ge_priv *)arg;
-
-	rx_pause_cnt = ntohl(mgp->ss[0].fw_stats->dropped_pause);
-	busy_slice_cnt = 0;
-	for (i = 0, reset_needed = 0;
-	     i < mgp->num_slices && reset_needed == 0; ++i) {
-
-		ss = &mgp->ss[i];
-		if (ss->rx_small.watchdog_needed) {
-			myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
-						mgp->small_bytes + MXGEFW_PAD,
-						1);
-			if (ss->rx_small.fill_cnt - ss->rx_small.cnt >=
-			    myri10ge_fill_thresh)
-				ss->rx_small.watchdog_needed = 0;
-		}
-		if (ss->rx_big.watchdog_needed) {
-			myri10ge_alloc_rx_pages(mgp, &ss->rx_big,
-						mgp->big_bytes, 1);
-			if (ss->rx_big.fill_cnt - ss->rx_big.cnt >=
-			    myri10ge_fill_thresh)
-				ss->rx_big.watchdog_needed = 0;
-		}
-		myri10ge_check_slice(ss, &reset_needed, &busy_slice_cnt,
-				     rx_pause_cnt);
-	}
-	/* if we've sent or received no traffic, poll the NIC to
-	 * ensure it is still there.  Otherwise, we risk not noticing
-	 * an error in a timely fashion */
-	if (busy_slice_cnt == 0) {
-		pci_read_config_word(mgp->pdev, PCI_COMMAND, &cmd);
-		if ((cmd & PCI_COMMAND_MASTER) == 0) {
-			reset_needed = 1;
-		}
-	}
-	mgp->watchdog_pause = rx_pause_cnt;
-
-	if (reset_needed) {
-		schedule_work(&mgp->watchdog_work);
-	} else {
-		/* rearm timer */
-		mod_timer(&mgp->watchdog_timer,
-			  jiffies + myri10ge_watchdog_timeout * HZ);
-	}
-}
-
-static void myri10ge_free_slices(struct myri10ge_priv *mgp)
-{
-	struct myri10ge_slice_state *ss;
-	struct pci_dev *pdev = mgp->pdev;
-	size_t bytes;
-	int i;
-
-	if (mgp->ss == NULL)
-		return;
-
-	for (i = 0; i < mgp->num_slices; i++) {
-		ss = &mgp->ss[i];
-		if (ss->rx_done.entry != NULL) {
-			bytes = mgp->max_intr_slots *
-			    sizeof(*ss->rx_done.entry);
-			dma_free_coherent(&pdev->dev, bytes,
-					  ss->rx_done.entry, ss->rx_done.bus);
-			ss->rx_done.entry = NULL;
-		}
-		if (ss->fw_stats != NULL) {
-			bytes = sizeof(*ss->fw_stats);
-			dma_free_coherent(&pdev->dev, bytes,
-					  ss->fw_stats, ss->fw_stats_bus);
-			ss->fw_stats = NULL;
-		}
-		netif_napi_del(&ss->napi);
-	}
-	kfree(mgp->ss);
-	mgp->ss = NULL;
-}
-
-static int myri10ge_alloc_slices(struct myri10ge_priv *mgp)
-{
-	struct myri10ge_slice_state *ss;
-	struct pci_dev *pdev = mgp->pdev;
-	size_t bytes;
-	int i;
-
-	bytes = sizeof(*mgp->ss) * mgp->num_slices;
-	mgp->ss = kzalloc(bytes, GFP_KERNEL);
-	if (mgp->ss == NULL) {
-		return -ENOMEM;
-	}
-
-	for (i = 0; i < mgp->num_slices; i++) {
-		ss = &mgp->ss[i];
-		bytes = mgp->max_intr_slots * sizeof(*ss->rx_done.entry);
-		ss->rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes,
-						       &ss->rx_done.bus,
-						       GFP_KERNEL);
-		if (ss->rx_done.entry == NULL)
-			goto abort;
-		memset(ss->rx_done.entry, 0, bytes);
-		bytes = sizeof(*ss->fw_stats);
-		ss->fw_stats = dma_alloc_coherent(&pdev->dev, bytes,
-						  &ss->fw_stats_bus,
-						  GFP_KERNEL);
-		if (ss->fw_stats == NULL)
-			goto abort;
-		ss->mgp = mgp;
-		ss->dev = mgp->dev;
-		netif_napi_add(ss->dev, &ss->napi, myri10ge_poll,
-			       myri10ge_napi_weight);
-	}
-	return 0;
-abort:
-	myri10ge_free_slices(mgp);
-	return -ENOMEM;
-}
-
-/*
- * This function determines the number of slices supported.
- * The number slices is the minimum of the number of CPUS,
- * the number of MSI-X irqs supported, the number of slices
- * supported by the firmware
- */
-static void myri10ge_probe_slices(struct myri10ge_priv *mgp)
-{
-	struct myri10ge_cmd cmd;
-	struct pci_dev *pdev = mgp->pdev;
-	char *old_fw;
-	bool old_allocated;
-	int i, status, ncpus, msix_cap;
-
-	mgp->num_slices = 1;
-	msix_cap = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
-	ncpus = num_online_cpus();
-
-	if (myri10ge_max_slices == 1 || msix_cap == 0 ||
-	    (myri10ge_max_slices == -1 && ncpus < 2))
-		return;
-
-	/* try to load the slice aware rss firmware */
-	old_fw = mgp->fw_name;
-	old_allocated = mgp->fw_name_allocated;
-	/* don't free old_fw if we override it. */
-	mgp->fw_name_allocated = false;
-
-	if (myri10ge_fw_name != NULL) {
-		dev_info(&mgp->pdev->dev, "overriding rss firmware to %s\n",
-			 myri10ge_fw_name);
-		set_fw_name(mgp, myri10ge_fw_name, false);
-	} else if (old_fw == myri10ge_fw_aligned)
-		set_fw_name(mgp, myri10ge_fw_rss_aligned, false);
-	else
-		set_fw_name(mgp, myri10ge_fw_rss_unaligned, false);
-	status = myri10ge_load_firmware(mgp, 0);
-	if (status != 0) {
-		dev_info(&pdev->dev, "Rss firmware not found\n");
-		if (old_allocated)
-			kfree(old_fw);
-		return;
-	}
-
-	/* hit the board with a reset to ensure it is alive */
-	memset(&cmd, 0, sizeof(cmd));
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_RESET, &cmd, 0);
-	if (status != 0) {
-		dev_err(&mgp->pdev->dev, "failed reset\n");
-		goto abort_with_fw;
-	}
-
-	mgp->max_intr_slots = cmd.data0 / sizeof(struct mcp_slot);
-
-	/* tell it the size of the interrupt queues */
-	cmd.data0 = mgp->max_intr_slots * sizeof(struct mcp_slot);
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_SIZE, &cmd, 0);
-	if (status != 0) {
-		dev_err(&mgp->pdev->dev, "failed MXGEFW_CMD_SET_INTRQ_SIZE\n");
-		goto abort_with_fw;
-	}
-
-	/* ask the maximum number of slices it supports */
-	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_RSS_QUEUES, &cmd, 0);
-	if (status != 0)
-		goto abort_with_fw;
-	else
-		mgp->num_slices = cmd.data0;
-
-	/* Only allow multiple slices if MSI-X is usable */
-	if (!myri10ge_msi) {
-		goto abort_with_fw;
-	}
-
-	/* if the admin did not specify a limit to how many
-	 * slices we should use, cap it automatically to the
-	 * number of CPUs currently online */
-	if (myri10ge_max_slices == -1)
-		myri10ge_max_slices = ncpus;
-
-	if (mgp->num_slices > myri10ge_max_slices)
-		mgp->num_slices = myri10ge_max_slices;
-
-	/* Now try to allocate as many MSI-X vectors as we have
-	 * slices. We give up on MSI-X if we can only get a single
-	 * vector. */
-
-	mgp->msix_vectors = kcalloc(mgp->num_slices, sizeof(*mgp->msix_vectors),
-				    GFP_KERNEL);
-	if (mgp->msix_vectors == NULL)
-		goto disable_msix;
-	for (i = 0; i < mgp->num_slices; i++) {
-		mgp->msix_vectors[i].entry = i;
-	}
-
-	while (mgp->num_slices > 1) {
-		/* make sure it is a power of two */
-		while (!is_power_of_2(mgp->num_slices))
-			mgp->num_slices--;
-		if (mgp->num_slices == 1)
-			goto disable_msix;
-		status = pci_enable_msix(pdev, mgp->msix_vectors,
-					 mgp->num_slices);
-		if (status == 0) {
-			pci_disable_msix(pdev);
-			if (old_allocated)
-				kfree(old_fw);
-			return;
-		}
-		if (status > 0)
-			mgp->num_slices = status;
-		else
-			goto disable_msix;
-	}
-
-disable_msix:
-	if (mgp->msix_vectors != NULL) {
-		kfree(mgp->msix_vectors);
-		mgp->msix_vectors = NULL;
-	}
-
-abort_with_fw:
-	mgp->num_slices = 1;
-	set_fw_name(mgp, old_fw, old_allocated);
-	myri10ge_load_firmware(mgp, 0);
-}
-
-static const struct net_device_ops myri10ge_netdev_ops = {
-	.ndo_open		= myri10ge_open,
-	.ndo_stop		= myri10ge_close,
-	.ndo_start_xmit		= myri10ge_xmit,
-	.ndo_get_stats64	= myri10ge_get_stats,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_change_mtu		= myri10ge_change_mtu,
-	.ndo_fix_features	= myri10ge_fix_features,
-	.ndo_set_multicast_list = myri10ge_set_multicast_list,
-	.ndo_set_mac_address	= myri10ge_set_mac_address,
-};
-
-static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
-	struct net_device *netdev;
-	struct myri10ge_priv *mgp;
-	struct device *dev = &pdev->dev;
-	int i;
-	int status = -ENXIO;
-	int dac_enabled;
-	unsigned hdr_offset, ss_offset;
-	static int board_number;
-
-	netdev = alloc_etherdev_mq(sizeof(*mgp), MYRI10GE_MAX_SLICES);
-	if (netdev == NULL) {
-		dev_err(dev, "Could not allocate ethernet device\n");
-		return -ENOMEM;
-	}
-
-	SET_NETDEV_DEV(netdev, &pdev->dev);
-
-	mgp = netdev_priv(netdev);
-	mgp->dev = netdev;
-	mgp->pdev = pdev;
-	mgp->pause = myri10ge_flow_control;
-	mgp->intr_coal_delay = myri10ge_intr_coal_delay;
-	mgp->msg_enable = netif_msg_init(myri10ge_debug, MYRI10GE_MSG_DEFAULT);
-	mgp->board_number = board_number;
-	init_waitqueue_head(&mgp->down_wq);
-
-	if (pci_enable_device(pdev)) {
-		dev_err(&pdev->dev, "pci_enable_device call failed\n");
-		status = -ENODEV;
-		goto abort_with_netdev;
-	}
-
-	/* Find the vendor-specific cap so we can check
-	 * the reboot register later on */
-	mgp->vendor_specific_offset
-	    = pci_find_capability(pdev, PCI_CAP_ID_VNDR);
-
-	/* Set our max read request to 4KB */
-	status = pcie_set_readrq(pdev, 4096);
-	if (status != 0) {
-		dev_err(&pdev->dev, "Error %d writing PCI_EXP_DEVCTL\n",
-			status);
-		goto abort_with_enabled;
-	}
-
-	myri10ge_mask_surprise_down(pdev);
-	pci_set_master(pdev);
-	dac_enabled = 1;
-	status = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
-	if (status != 0) {
-		dac_enabled = 0;
-		dev_err(&pdev->dev,
-			"64-bit pci address mask was refused, "
-			"trying 32-bit\n");
-		status = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
-	}
-	if (status != 0) {
-		dev_err(&pdev->dev, "Error %d setting DMA mask\n", status);
-		goto abort_with_enabled;
-	}
-	(void)pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
-	mgp->cmd = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->cmd),
-				      &mgp->cmd_bus, GFP_KERNEL);
-	if (mgp->cmd == NULL)
-		goto abort_with_enabled;
-
-	mgp->board_span = pci_resource_len(pdev, 0);
-	mgp->iomem_base = pci_resource_start(pdev, 0);
-	mgp->mtrr = -1;
-	mgp->wc_enabled = 0;
-#ifdef CONFIG_MTRR
-	mgp->mtrr = mtrr_add(mgp->iomem_base, mgp->board_span,
-			     MTRR_TYPE_WRCOMB, 1);
-	if (mgp->mtrr >= 0)
-		mgp->wc_enabled = 1;
-#endif
-	mgp->sram = ioremap_wc(mgp->iomem_base, mgp->board_span);
-	if (mgp->sram == NULL) {
-		dev_err(&pdev->dev, "ioremap failed for %ld bytes at 0x%lx\n",
-			mgp->board_span, mgp->iomem_base);
-		status = -ENXIO;
-		goto abort_with_mtrr;
-	}
-	hdr_offset =
-	    ntohl(__raw_readl(mgp->sram + MCP_HEADER_PTR_OFFSET)) & 0xffffc;
-	ss_offset = hdr_offset + offsetof(struct mcp_gen_header, string_specs);
-	mgp->sram_size = ntohl(__raw_readl(mgp->sram + ss_offset));
-	if (mgp->sram_size > mgp->board_span ||
-	    mgp->sram_size <= MYRI10GE_FW_OFFSET) {
-		dev_err(&pdev->dev,
-			"invalid sram_size %dB or board span %ldB\n",
-			mgp->sram_size, mgp->board_span);
-		goto abort_with_ioremap;
-	}
-	memcpy_fromio(mgp->eeprom_strings,
-		      mgp->sram + mgp->sram_size, MYRI10GE_EEPROM_STRINGS_SIZE);
-	memset(mgp->eeprom_strings + MYRI10GE_EEPROM_STRINGS_SIZE - 2, 0, 2);
-	status = myri10ge_read_mac_addr(mgp);
-	if (status)
-		goto abort_with_ioremap;
-
-	for (i = 0; i < ETH_ALEN; i++)
-		netdev->dev_addr[i] = mgp->mac_addr[i];
-
-	myri10ge_select_firmware(mgp);
-
-	status = myri10ge_load_firmware(mgp, 1);
-	if (status != 0) {
-		dev_err(&pdev->dev, "failed to load firmware\n");
-		goto abort_with_ioremap;
-	}
-	myri10ge_probe_slices(mgp);
-	status = myri10ge_alloc_slices(mgp);
-	if (status != 0) {
-		dev_err(&pdev->dev, "failed to alloc slice state\n");
-		goto abort_with_firmware;
-	}
-	netif_set_real_num_tx_queues(netdev, mgp->num_slices);
-	netif_set_real_num_rx_queues(netdev, mgp->num_slices);
-	status = myri10ge_reset(mgp);
-	if (status != 0) {
-		dev_err(&pdev->dev, "failed reset\n");
-		goto abort_with_slices;
-	}
-#ifdef CONFIG_MYRI10GE_DCA
-	myri10ge_setup_dca(mgp);
-#endif
-	pci_set_drvdata(pdev, mgp);
-	if ((myri10ge_initial_mtu + ETH_HLEN) > MYRI10GE_MAX_ETHER_MTU)
-		myri10ge_initial_mtu = MYRI10GE_MAX_ETHER_MTU - ETH_HLEN;
-	if ((myri10ge_initial_mtu + ETH_HLEN) < 68)
-		myri10ge_initial_mtu = 68;
-
-	netdev->netdev_ops = &myri10ge_netdev_ops;
-	netdev->mtu = myri10ge_initial_mtu;
-	netdev->base_addr = mgp->iomem_base;
-	netdev->hw_features = mgp->features | NETIF_F_LRO | NETIF_F_RXCSUM;
-	netdev->features = netdev->hw_features;
-
-	if (dac_enabled)
-		netdev->features |= NETIF_F_HIGHDMA;
-
-	netdev->vlan_features |= mgp->features;
-	if (mgp->fw_ver_tiny < 37)
-		netdev->vlan_features &= ~NETIF_F_TSO6;
-	if (mgp->fw_ver_tiny < 32)
-		netdev->vlan_features &= ~NETIF_F_TSO;
-
-	/* make sure we can get an irq, and that MSI can be
-	 * setup (if available).  Also ensure netdev->irq
-	 * is set to correct value if MSI is enabled */
-	status = myri10ge_request_irq(mgp);
-	if (status != 0)
-		goto abort_with_firmware;
-	netdev->irq = pdev->irq;
-	myri10ge_free_irq(mgp);
-
-	/* Save configuration space to be restored if the
-	 * nic resets due to a parity error */
-	pci_save_state(pdev);
-
-	/* Setup the watchdog timer */
-	setup_timer(&mgp->watchdog_timer, myri10ge_watchdog_timer,
-		    (unsigned long)mgp);
-
-	SET_ETHTOOL_OPS(netdev, &myri10ge_ethtool_ops);
-	INIT_WORK(&mgp->watchdog_work, myri10ge_watchdog);
-	status = register_netdev(netdev);
-	if (status != 0) {
-		dev_err(&pdev->dev, "register_netdev failed: %d\n", status);
-		goto abort_with_state;
-	}
-	if (mgp->msix_enabled)
-		dev_info(dev, "%d MSI-X IRQs, tx bndry %d, fw %s, WC %s\n",
-			 mgp->num_slices, mgp->tx_boundary, mgp->fw_name,
-			 (mgp->wc_enabled ? "Enabled" : "Disabled"));
-	else
-		dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n",
-			 mgp->msi_enabled ? "MSI" : "xPIC",
-			 netdev->irq, mgp->tx_boundary, mgp->fw_name,
-			 (mgp->wc_enabled ? "Enabled" : "Disabled"));
-
-	board_number++;
-	return 0;
-
-abort_with_state:
-	pci_restore_state(pdev);
-
-abort_with_slices:
-	myri10ge_free_slices(mgp);
-
-abort_with_firmware:
-	myri10ge_dummy_rdma(mgp, 0);
-
-abort_with_ioremap:
-	if (mgp->mac_addr_string != NULL)
-		dev_err(&pdev->dev,
-			"myri10ge_probe() failed: MAC=%s, SN=%ld\n",
-			mgp->mac_addr_string, mgp->serial_number);
-	iounmap(mgp->sram);
-
-abort_with_mtrr:
-#ifdef CONFIG_MTRR
-	if (mgp->mtrr >= 0)
-		mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
-#endif
-	dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
-			  mgp->cmd, mgp->cmd_bus);
-
-abort_with_enabled:
-	pci_disable_device(pdev);
-
-abort_with_netdev:
-	set_fw_name(mgp, NULL, false);
-	free_netdev(netdev);
-	return status;
-}
-
-/*
- * myri10ge_remove
- *
- * Does what is necessary to shutdown one Myrinet device. Called
- *   once for each Myrinet card by the kernel when a module is
- *   unloaded.
- */
-static void myri10ge_remove(struct pci_dev *pdev)
-{
-	struct myri10ge_priv *mgp;
-	struct net_device *netdev;
-
-	mgp = pci_get_drvdata(pdev);
-	if (mgp == NULL)
-		return;
-
-	cancel_work_sync(&mgp->watchdog_work);
-	netdev = mgp->dev;
-	unregister_netdev(netdev);
-
-#ifdef CONFIG_MYRI10GE_DCA
-	myri10ge_teardown_dca(mgp);
-#endif
-	myri10ge_dummy_rdma(mgp, 0);
-
-	/* avoid a memory leak */
-	pci_restore_state(pdev);
-
-	iounmap(mgp->sram);
-
-#ifdef CONFIG_MTRR
-	if (mgp->mtrr >= 0)
-		mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
-#endif
-	myri10ge_free_slices(mgp);
-	if (mgp->msix_vectors != NULL)
-		kfree(mgp->msix_vectors);
-	dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
-			  mgp->cmd, mgp->cmd_bus);
-
-	set_fw_name(mgp, NULL, false);
-	free_netdev(netdev);
-	pci_disable_device(pdev);
-	pci_set_drvdata(pdev, NULL);
-}
-
-#define PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E 	0x0008
-#define PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E_9	0x0009
-
-static DEFINE_PCI_DEVICE_TABLE(myri10ge_pci_tbl) = {
-	{PCI_DEVICE(PCI_VENDOR_ID_MYRICOM, PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E)},
-	{PCI_DEVICE
-	 (PCI_VENDOR_ID_MYRICOM, PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E_9)},
-	{0},
-};
-
-MODULE_DEVICE_TABLE(pci, myri10ge_pci_tbl);
-
-static struct pci_driver myri10ge_driver = {
-	.name = "myri10ge",
-	.probe = myri10ge_probe,
-	.remove = myri10ge_remove,
-	.id_table = myri10ge_pci_tbl,
-#ifdef CONFIG_PM
-	.suspend = myri10ge_suspend,
-	.resume = myri10ge_resume,
-#endif
-};
-
-#ifdef CONFIG_MYRI10GE_DCA
-static int
-myri10ge_notify_dca(struct notifier_block *nb, unsigned long event, void *p)
-{
-	int err = driver_for_each_device(&myri10ge_driver.driver,
-					 NULL, &event,
-					 myri10ge_notify_dca_device);
-
-	if (err)
-		return NOTIFY_BAD;
-	return NOTIFY_DONE;
-}
-
-static struct notifier_block myri10ge_dca_notifier = {
-	.notifier_call = myri10ge_notify_dca,
-	.next = NULL,
-	.priority = 0,
-};
-#endif				/* CONFIG_MYRI10GE_DCA */
-
-static __init int myri10ge_init_module(void)
-{
-	pr_info("Version %s\n", MYRI10GE_VERSION_STR);
-
-	if (myri10ge_rss_hash > MXGEFW_RSS_HASH_TYPE_MAX) {
-		pr_err("Illegal rssh hash type %d, defaulting to source port\n",
-		       myri10ge_rss_hash);
-		myri10ge_rss_hash = MXGEFW_RSS_HASH_TYPE_SRC_PORT;
-	}
-#ifdef CONFIG_MYRI10GE_DCA
-	dca_register_notify(&myri10ge_dca_notifier);
-#endif
-	if (myri10ge_max_slices > MYRI10GE_MAX_SLICES)
-		myri10ge_max_slices = MYRI10GE_MAX_SLICES;
-
-	return pci_register_driver(&myri10ge_driver);
-}
-
-module_init(myri10ge_init_module);
-
-static __exit void myri10ge_cleanup_module(void)
-{
-#ifdef CONFIG_MYRI10GE_DCA
-	dca_unregister_notify(&myri10ge_dca_notifier);
-#endif
-	pci_unregister_driver(&myri10ge_driver);
-}
-
-module_exit(myri10ge_cleanup_module);