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| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/ppc/@/ofed/drivers/net/mlx4/mlx4_en.h |
/*
* Copyright (c) 2007 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef _MLX4_EN_H_
#define _MLX4_EN_H_
#include <sys/cdefs.h>
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/mlx4/device.h>
#include <linux/mlx4/qp.h>
#include <linux/mlx4/cq.h>
#include <linux/mlx4/srq.h>
#include <linux/mlx4/doorbell.h>
#include <linux/mlx4/cmd.h>
#include <net/if_media.h>
#include <netinet/tcp_lro.h>
#include "en_port.h"
#define DRV_NAME "mlx4_en"
#define DRV_VERSION "1.5.2"
#define DRV_RELDATE "July 2010"
/* XXX */
#define NETIF_MSG_LINK 0x1
#define NETIF_MSG_IFDOWN 0x2
#define NETIF_MSG_HW 0x4
#define NETIF_MSG_DRV 0x8
#define NETIF_MSG_INTR 0x10
#define NETIF_MSG_RX_ERR 0x20
#define MLX4_EN_MSG_LEVEL (NETIF_MSG_LINK | NETIF_MSG_IFDOWN)
#define en_print(level, priv, format, arg...) \
{ \
if ((priv)->registered) \
printk(level "%s: %s: " format, DRV_NAME, \
(priv->dev)->if_xname, ## arg); \
else \
printk(level "%s: %s: Port %d: " format, \
DRV_NAME, dev_name(&priv->mdev->pdev->dev), \
(priv)->port, ## arg); \
}
#define en_dbg(mlevel, priv, format, arg...) \
if (NETIF_MSG_##mlevel & priv->msg_enable) \
en_print(KERN_DEBUG, priv, format, ## arg)
#define en_warn(priv, format, arg...) \
en_print(KERN_WARNING, priv, format, ## arg)
#define en_err(priv, format, arg...) \
en_print(KERN_ERR, priv, format, ## arg)
#define en_info(priv, format, arg...) \
en_print(KERN_INFO, priv, format, ## arg)
#define mlx4_err(mdev, format, arg...) \
printk(KERN_ERR "%s %s: " format , DRV_NAME ,\
dev_name(&mdev->pdev->dev) , ## arg)
#define mlx4_info(mdev, format, arg...) \
printk(KERN_INFO "%s %s: " format , DRV_NAME ,\
dev_name(&mdev->pdev->dev) , ## arg)
#define mlx4_warn(mdev, format, arg...) \
printk(KERN_WARNING "%s %s: " format , DRV_NAME ,\
dev_name(&mdev->pdev->dev) , ## arg)
/*
* Device constants
*/
#define MLX4_EN_PAGE_SHIFT 12
#define MLX4_EN_PAGE_SIZE (1 << MLX4_EN_PAGE_SHIFT)
#define MAX_TX_RINGS (MLX4_EN_NUM_HASH_RINGS + 1 + MLX4_EN_NUM_PPP_RINGS)
#define MAX_RX_RINGS 16
#define TXBB_SIZE 64
#define HEADROOM (2048 / TXBB_SIZE + 1)
#define STAMP_STRIDE 64
#define STAMP_DWORDS (STAMP_STRIDE / 4)
#define STAMP_SHIFT 31
#define STAMP_VAL 0x7fffffff
#define STATS_DELAY (HZ / 4)
/* Typical TSO descriptor with 16 gather entries is 352 bytes... */
#define MAX_DESC_SIZE 512
#define MAX_DESC_TXBBS (MAX_DESC_SIZE / TXBB_SIZE)
/*
* OS related constants and tunables
*/
#define MLX4_EN_WATCHDOG_TIMEOUT (15 * HZ)
#define MLX4_EN_MAX_LRO_DESCRIPTORS 32
#define MLX4_EN_NUM_IPFRAG_SESSIONS 16
/* Receive fragment sizes; we use at most 3 fragments (for 9600 byte MTU
* and 4K allocations) */
#if MJUMPAGESIZE == 4096
enum {
FRAG_SZ0 = MCLBYTES,
FRAG_SZ1 = MJUMPAGESIZE,
FRAG_SZ2 = MJUMPAGESIZE,
};
#define MLX4_EN_MAX_RX_FRAGS 3
#elif MJUMPAGESIZE == 8192
enum {
FRAG_SZ0 = MCLBYTES,
FRAG_SZ1 = MJUMPAGESIZE,
};
#define MLX4_EN_MAX_RX_FRAGS 2
#elif MJUMPAGESIZE == 8192
#else
#error "Unknown PAGE_SIZE"
#endif
/* Maximum ring sizes */
#define MLX4_EN_MAX_TX_SIZE 8192
#define MLX4_EN_MAX_RX_SIZE 8192
#define MLX4_EN_MIN_RX_SIZE (128)
#define MLX4_EN_MIN_TX_SIZE (4096 / TXBB_SIZE)
#define MLX4_EN_SMALL_PKT_SIZE 64
#define MLX4_EN_TX_HASH_SIZE 256
#define MLX4_EN_TX_HASH_MASK (MLX4_EN_TX_HASH_SIZE - 1)
#define MLX4_EN_NUM_HASH_RINGS 4
#define MLX4_EN_NUM_PPP_RINGS 8
#define MLX4_EN_DEF_TX_RING_SIZE 512
#define MLX4_EN_DEF_TX_QUEUE_SIZE 4096
#define MLX4_EN_DEF_RX_RING_SIZE 1024
#define MLX4_EN_MAX_RX_POLL 1024
/* Target number of bytes to coalesce with interrupt moderation */
#define MLX4_EN_RX_COAL_TARGET 0x20000
#define MLX4_EN_RX_COAL_TIME 0x10
#define MLX4_EN_TX_COAL_PKTS 5
#define MLX4_EN_TX_COAL_TIME 0x80
#define MLX4_EN_RX_RATE_LOW 400000
#define MLX4_EN_RX_COAL_TIME_LOW 0
#define MLX4_EN_RX_RATE_HIGH 450000
#define MLX4_EN_RX_COAL_TIME_HIGH 128
#define MLX4_EN_RX_SIZE_THRESH 1024
#define MLX4_EN_RX_RATE_THRESH (1000000 / MLX4_EN_RX_COAL_TIME_HIGH)
#define MLX4_EN_SAMPLE_INTERVAL 0
#define MLX4_EN_AVG_PKT_SMALL 256
#define MLX4_EN_AUTO_CONF 0xffff
#define MLX4_EN_DEF_RX_PAUSE 1
#define MLX4_EN_DEF_TX_PAUSE 1
/* Interval between sucessive polls in the Tx routine when polling is used
instead of interrupts (in per-core Tx rings) - should be power of 2 */
#define MLX4_EN_TX_POLL_MODER 16
#define MLX4_EN_TX_POLL_TIMEOUT (HZ / 4)
#define ETH_LLC_SNAP_SIZE 8
#define SMALL_PACKET_SIZE (MHLEN)
#define HEADER_COPY_SIZE (128)
#define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETHER_HDR_LEN)
#define MLX4_EN_MIN_MTU 46
#define ETH_BCAST 0xffffffffffffULL
#define MLX4_EN_LOOPBACK_RETRIES 5
#define MLX4_EN_LOOPBACK_TIMEOUT 100
#ifdef MLX4_EN_PERF_STAT
/* Number of samples to 'average' */
#define AVG_SIZE 128
#define AVG_FACTOR 1024
#define NUM_PERF_STATS NUM_PERF_COUNTERS
#define INC_PERF_COUNTER(cnt) (++(cnt))
#define ADD_PERF_COUNTER(cnt, add) ((cnt) += (add))
#define AVG_PERF_COUNTER(cnt, sample) \
((cnt) = ((cnt) * (AVG_SIZE - 1) + (sample) * AVG_FACTOR) / AVG_SIZE)
#define GET_PERF_COUNTER(cnt) (cnt)
#define GET_AVG_PERF_COUNTER(cnt) ((cnt) / AVG_FACTOR)
#else
#define NUM_PERF_STATS 0
#define INC_PERF_COUNTER(cnt) do {} while (0)
#define ADD_PERF_COUNTER(cnt, add) do {} while (0)
#define AVG_PERF_COUNTER(cnt, sample) do {} while (0)
#define GET_PERF_COUNTER(cnt) (0)
#define GET_AVG_PERF_COUNTER(cnt) (0)
#endif /* MLX4_EN_PERF_STAT */
/*
* Configurables
*/
enum cq_type {
RX = 0,
TX = 1,
};
/*
* Useful macros
*/
#define ROUNDUP_LOG2(x) ilog2(roundup_pow_of_two(x))
#define XNOR(x, y) (!(x) == !(y))
#define ILLEGAL_MAC(addr) (addr == 0xffffffffffffULL || addr == 0x0)
struct mlx4_en_tx_info {
struct mbuf *mb;
u32 nr_txbb;
u8 nr_segs;
u8 data_offset;
u8 inl;
};
#define MLX4_EN_BIT_DESC_OWN 0x80000000
#define CTRL_SIZE sizeof(struct mlx4_wqe_ctrl_seg)
#define MLX4_EN_MEMTYPE_PAD 0x100
#define DS_SIZE sizeof(struct mlx4_wqe_data_seg)
struct mlx4_en_tx_desc {
struct mlx4_wqe_ctrl_seg ctrl;
union {
struct mlx4_wqe_data_seg data; /* at least one data segment */
struct mlx4_wqe_lso_seg lso;
struct mlx4_wqe_inline_seg inl;
};
};
#define MLX4_EN_USE_SRQ 0x01000000
struct mlx4_en_tx_ring {
spinlock_t tx_lock;
struct mlx4_hwq_resources wqres;
u32 size ; /* number of TXBBs */
u32 size_mask;
u16 stride;
u16 cqn; /* index of port CQ associated with this ring */
u32 prod;
u32 cons;
u32 buf_size;
u32 doorbell_qpn;
void *buf;
u16 poll_cnt;
int blocked;
struct buf_ring *br;
struct mlx4_en_tx_info *tx_info;
u8 *bounce_buf;
u32 last_nr_txbb;
struct mlx4_qp qp;
struct mlx4_qp_context context;
int qpn;
enum mlx4_qp_state qp_state;
struct mlx4_srq dummy;
unsigned long bytes;
unsigned long packets;
unsigned long errors;
spinlock_t comp_lock;
struct mlx4_bf bf;
bool bf_enabled;
u64 watchdog_time;
};
struct mlx4_en_ipfrag {
struct mbuf *fragments;
struct mbuf *last;
__be32 saddr;
__be32 daddr;
__be16 id;
u8 protocol;
int total_len;
u16 offset;
};
struct mlx4_en_rx_desc {
/* actual number of entries depends on rx ring stride */
struct mlx4_wqe_data_seg data[0];
};
struct mlx4_en_rx_ring {
struct mlx4_hwq_resources wqres;
u32 size ; /* number of Rx descs*/
u32 actual_size;
u32 size_mask;
u16 stride;
u16 log_stride;
u16 cqn; /* index of port CQ associated with this ring */
u32 prod;
u32 cons;
u32 buf_size;
void *buf;
void *rx_info;
unsigned long bytes;
unsigned long packets;
unsigned long errors;
struct lro_ctrl lro;
struct mlx4_en_ipfrag ipfrag[MLX4_EN_NUM_IPFRAG_SESSIONS];
};
static inline int mlx4_en_can_lro(__be16 status)
{
return (status & cpu_to_be16(MLX4_CQE_STATUS_IPV4 |
MLX4_CQE_STATUS_IPV4F |
MLX4_CQE_STATUS_IPV6 |
MLX4_CQE_STATUS_IPV4OPT |
MLX4_CQE_STATUS_TCP |
MLX4_CQE_STATUS_UDP |
MLX4_CQE_STATUS_IPOK)) ==
cpu_to_be16(MLX4_CQE_STATUS_IPV4 |
MLX4_CQE_STATUS_IPOK |
MLX4_CQE_STATUS_TCP);
}
struct mlx4_en_cq {
struct mlx4_cq mcq;
struct mlx4_hwq_resources wqres;
int ring;
spinlock_t lock;
struct net_device *dev;
/* Per-core Tx cq processing support */
struct timer_list timer;
int size;
int buf_size;
unsigned vector;
enum cq_type is_tx;
u16 moder_time;
u16 moder_cnt;
struct mlx4_cqe *buf;
struct task cq_task;
struct taskqueue *tq;
#define MLX4_EN_OPCODE_ERROR 0x1e
u32 tot_rx;
};
struct mlx4_en_port_profile {
u32 flags;
u32 tx_ring_num;
u32 rx_ring_num;
u32 tx_ring_size;
u32 rx_ring_size;
u8 rx_pause;
u8 tx_pause;
u32 rx_ppp;
u32 tx_ppp;
};
struct mlx4_en_profile {
int rss_xor;
int num_lro;
int ip_reasm;
int tcp_rss;
int udp_rss;
u8 rss_mask;
u32 active_ports;
u32 small_pkt_int;
u8 no_reset;
struct mlx4_en_port_profile prof[MLX4_MAX_PORTS + 1];
};
struct mlx4_en_dev {
struct mlx4_dev *dev;
struct pci_dev *pdev;
struct mutex state_lock;
struct net_device *pndev[MLX4_MAX_PORTS + 1];
u32 port_cnt;
bool device_up;
struct mlx4_en_profile profile;
u32 LSO_support;
struct workqueue_struct *workqueue;
struct device *dma_device;
void __iomem *uar_map;
struct mlx4_uar priv_uar;
struct mlx4_mr mr;
u32 priv_pdn;
spinlock_t uar_lock;
u8 mac_removed[MLX4_MAX_PORTS + 1];
};
struct mlx4_en_rss_map {
int base_qpn;
struct mlx4_qp qps[MAX_RX_RINGS];
enum mlx4_qp_state state[MAX_RX_RINGS];
struct mlx4_qp indir_qp;
enum mlx4_qp_state indir_state;
};
struct mlx4_en_rss_context {
__be32 base_qpn;
__be32 default_qpn;
u16 reserved;
u8 hash_fn;
u8 flags;
__be32 rss_key[10];
__be32 base_qpn_udp;
};
struct mlx4_en_port_state {
int link_state;
int link_speed;
int transciver;
};
struct mlx4_en_pkt_stats {
unsigned long broadcast;
unsigned long rx_prio[8];
unsigned long tx_prio[8];
#define NUM_PKT_STATS 17
};
struct mlx4_en_port_stats {
unsigned long tso_packets;
unsigned long queue_stopped;
unsigned long wake_queue;
unsigned long tx_timeout;
unsigned long rx_alloc_failed;
unsigned long rx_chksum_good;
unsigned long rx_chksum_none;
unsigned long tx_chksum_offload;
};
struct mlx4_en_perf_stats {
u32 tx_poll;
u64 tx_pktsz_avg;
u32 inflight_avg;
u32 tx_coal_avg;
u32 rx_coal_avg;
};
struct mlx4_en_frag_info {
u16 frag_size;
u16 frag_prefix_size;
};
struct mlx4_en_tx_hash_entry {
u8 cnt;
unsigned int small_pkts;
unsigned int big_pkts;
unsigned int ring;
};
struct mlx4_en_priv {
struct mlx4_en_dev *mdev;
struct mlx4_en_port_profile *prof;
struct net_device *dev;
bool vlgrp_modified;
u32 vlan_register[VLAN_FLTR_SIZE];
u32 vlan_unregister[VLAN_FLTR_SIZE];
u32 vlans[VLAN_FLTR_SIZE];
spinlock_t vlan_lock;
struct mlx4_en_port_state port_state;
spinlock_t stats_lock;
unsigned long last_moder_packets;
unsigned long last_moder_tx_packets;
unsigned long last_moder_bytes;
unsigned long last_moder_jiffies;
int last_moder_time;
u16 rx_usecs;
u16 rx_frames;
u16 tx_usecs;
u16 tx_frames;
u32 pkt_rate_low;
u16 rx_usecs_low;
u32 pkt_rate_high;
u16 rx_usecs_high;
u16 sample_interval;
u16 adaptive_rx_coal;
u32 msg_enable;
u32 loopback_ok;
u32 validate_loopback;
struct mlx4_hwq_resources res;
int link_state;
int last_link_state;
bool port_up;
int port;
int registered;
int allocated;
int rx_csum;
u64 mac;
int mac_index;
unsigned max_mtu;
int base_qpn;
struct mlx4_en_rss_map rss_map;
u16 tx_prio_map[8];
u32 flags;
#define MLX4_EN_FLAG_PROMISC 0x1
u32 tx_ring_num;
u32 rx_ring_num;
u32 rx_mb_size;
struct mlx4_en_frag_info frag_info[MLX4_EN_MAX_RX_FRAGS];
u16 num_frags;
u16 log_rx_info;
int ip_reasm;
bool wol;
struct mlx4_en_tx_ring tx_ring[MAX_TX_RINGS];
struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS];
struct mlx4_en_cq tx_cq[MAX_TX_RINGS];
struct mlx4_en_cq rx_cq[MAX_RX_RINGS];
struct mlx4_en_tx_hash_entry tx_hash[MLX4_EN_TX_HASH_SIZE];
struct work_struct mcast_task;
struct work_struct watchdog_task;
struct work_struct linkstate_task;
struct delayed_work stats_task;
struct mlx4_en_perf_stats pstats;
struct mlx4_en_pkt_stats pkstats;
struct mlx4_en_port_stats port_stats;
struct mlx4_en_stat_out_mbox hw_stats;
struct ifmedia media;
eventhandler_tag vlan_attach;
eventhandler_tag vlan_detach;
struct callout watchdog_timer;
volatile int blocked;
struct sysctl_oid *sysctl;
struct sysctl_ctx_list conf_ctx;
struct sysctl_ctx_list stat_ctx;
};
enum mlx4_en_wol {
MLX4_EN_WOL_MAGIC = (1ULL << 61),
MLX4_EN_WOL_ENABLED = (1ULL << 62),
MLX4_EN_WOL_DO_MODIFY = (1ULL << 63),
};
int mlx4_en_transmit(struct net_device *dev, struct mbuf *mb);
void mlx4_en_qflush(struct net_device *dev);
int mlx4_en_rx_frags(struct mlx4_en_priv *priv, struct mlx4_en_rx_ring *ring,
struct mbuf *mb, struct mlx4_cqe *cqe);
void mlx4_en_flush_frags(struct mlx4_en_priv *priv,
struct mlx4_en_rx_ring *ring);
void mlx4_en_destroy_netdev(struct net_device *dev);
int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
struct mlx4_en_port_profile *prof);
int mlx4_en_start_port(struct net_device *dev);
void mlx4_en_stop_port(struct net_device *dev);
void mlx4_en_free_resources(struct mlx4_en_priv *priv);
int mlx4_en_alloc_resources(struct mlx4_en_priv *priv);
int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
int entries, int ring, enum cq_type mode);
void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
void mlx4_en_poll_tx_cq(unsigned long data);
void mlx4_en_tx_irq(struct mlx4_cq *mcq);
u16 mlx4_en_select_queue(struct net_device *dev, struct mbuf *mb);
int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring,
u32 size, u16 stride);
void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring);
int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,
int cq);
void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring);
int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_rx_ring *ring, u32 size);
void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_rx_ring *ring);
int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv);
void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_rx_ring *ring);
int mlx4_en_process_rx_cq(struct net_device *dev,
struct mlx4_en_cq *cq,
int budget);
int mlx4_en_process_rx_cq_mb(struct net_device *dev,
struct mlx4_en_cq *cq,
int budget);
void mlx4_en_tx_que(void *context, int pending);
void mlx4_en_rx_que(void *context, int pending);
void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
int is_tx, int rss, int qpn, int cqn,
struct mlx4_qp_context *context);
void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event);
int mlx4_en_map_buffer(struct mlx4_buf *buf);
void mlx4_en_unmap_buffer(struct mlx4_buf *buf);
void mlx4_en_calc_rx_buf(struct net_device *dev);
void mlx4_en_set_prio_map(struct mlx4_en_priv *priv, u16 *prio_map, u32 ring_num);
int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv);
void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv);
int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring);
void mlx4_en_rx_irq(struct mlx4_cq *mcq);
int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, u8 port, u32 *vlans);
int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
u8 promisc);
int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset);
int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port);
#define MLX4_EN_NUM_SELF_TEST 5
void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf);
u64 mlx4_en_mac_to_u64(u8 *addr);
/*
* Globals
*/
extern const struct ethtool_ops mlx4_en_ethtool_ops;
#endif