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mlx4_en: Added self diagnostics test implementation

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The selftest includes 5 features:
1. Interrupt test: Executing commands and receiving command completion
   on all our interrupt vectors.
2. Link test: Verifying we are connected to valid link partner.
3. Speed test: Check that we negotiated link speed correctly.
4. Registers test: Activate HW health check command.
5. Loopback test: Send a packet on loopback interface and catch it on RX side.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yevgeny Petrilin 2010-08-24 03:46:18 +00:00 committed by David S. Miller
parent 3005ad40b9
commit e7c1c2c462
15 changed files with 387 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/mlx4/Makefile
View File

@ -6,4 +6,4 @@ mlx4_core-y := alloc.o catas.o cmd.o cq.o eq.o fw.o icm.o intf.o main.o mcg.o \
obj-$(CONFIG_MLX4_EN) += mlx4_en.o
mlx4_en-y := en_main.o en_tx.o en_rx.o en_ethtool.o en_port.o en_cq.o \
en_resources.o en_netdev.o
en_resources.o en_netdev.o en_selftest.o

77
drivers/net/mlx4/en_ethtool.c
View File

@ -125,6 +125,14 @@ static const char main_strings[][ETH_GSTRING_LEN] = {
#define NUM_MAIN_STATS 21
#define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
"Interupt Test",
"Link Test",
"Speed Test",
"Register Test",
"Loopback Test",
};
static u32 mlx4_en_get_msglevel(struct net_device *dev)
{
return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
@ -146,10 +154,15 @@ static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
if (sset != ETH_SS_STATS)
switch (sset) {
case ETH_SS_STATS:
return NUM_ALL_STATS +
(priv->tx_ring_num + priv->rx_ring_num) * 2;
case ETH_SS_TEST:
return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.loopback_support) * 2;
default:
return -EOPNOTSUPP;
return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2;
}
}
static void mlx4_en_get_ethtool_stats(struct net_device *dev,
@ -181,6 +194,12 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
}
static void mlx4_en_self_test(struct net_device *dev,
struct ethtool_test *etest, u64 *buf)
{
mlx4_en_ex_selftest(dev, &etest->flags, buf);
}
static void mlx4_en_get_strings(struct net_device *dev,
uint32_t stringset, uint8_t *data)
{
@ -188,30 +207,39 @@ static void mlx4_en_get_strings(struct net_device *dev,
int index = 0;
int i;
if (stringset != ETH_SS_STATS)
return;
switch (stringset) {
case ETH_SS_TEST:
for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
if (priv->mdev->dev->caps.loopback_support)
for (; i < MLX4_EN_NUM_SELF_TEST; i++)
strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
break;
/* Add main counters */
for (i = 0; i < NUM_MAIN_STATS; i++)
strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
for (i = 0; i < NUM_PORT_STATS; i++)
strcpy(data + (index++) * ETH_GSTRING_LEN,
case ETH_SS_STATS:
/* Add main counters */
for (i = 0; i < NUM_MAIN_STATS; i++)
strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
for (i = 0; i< NUM_PORT_STATS; i++)
strcpy(data + (index++) * ETH_GSTRING_LEN,
main_strings[i + NUM_MAIN_STATS]);
for (i = 0; i < priv->tx_ring_num; i++) {
sprintf(data + (index++) * ETH_GSTRING_LEN,
"tx%d_packets", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"tx%d_bytes", i);
}
for (i = 0; i < priv->rx_ring_num; i++) {
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_packets", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_bytes", i);
}
for (i = 0; i < NUM_PKT_STATS; i++)
strcpy(data + (index++) * ETH_GSTRING_LEN,
for (i = 0; i < priv->tx_ring_num; i++) {
sprintf(data + (index++) * ETH_GSTRING_LEN,
"tx%d_packets", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"tx%d_bytes", i);
}
for (i = 0; i < priv->rx_ring_num; i++) {
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_packets", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_bytes", i);
}
for (i = 0; i< NUM_PKT_STATS; i++)
strcpy(data + (index++) * ETH_GSTRING_LEN,
main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
break;
}
}
static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
@ -439,6 +467,7 @@ const struct ethtool_ops mlx4_en_ethtool_ops = {
.get_strings = mlx4_en_get_strings,
.get_sset_count = mlx4_en_get_sset_count,
.get_ethtool_stats = mlx4_en_get_ethtool_stats,
.self_test = mlx4_en_self_test,
.get_wol = mlx4_en_get_wol,
.get_msglevel = mlx4_en_get_msglevel,
.set_msglevel = mlx4_en_set_msglevel,

2
drivers/net/mlx4/en_netdev.c
View File

@ -109,7 +109,7 @@ static void mlx4_en_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
mutex_unlock(&mdev->state_lock);
}
static u64 mlx4_en_mac_to_u64(u8 *addr)
u64 mlx4_en_mac_to_u64(u8 *addr)
{
u64 mac = 0;
int i;

32
drivers/net/mlx4/en_port.c
View File

@ -142,6 +142,38 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
return err;
}
int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port)
{
struct mlx4_en_query_port_context *qport_context;
struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
struct mlx4_en_port_state *state = &priv->port_state;
struct mlx4_cmd_mailbox *mailbox;
int err;
mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
memset(mailbox->buf, 0, sizeof(*qport_context));
err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B);
if (err)
goto out;
qport_context = mailbox->buf;
/* This command is always accessed from Ethtool context
* already synchronized, no need in locking */
state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK);
if ((qport_context->link_speed & MLX4_EN_SPEED_MASK) ==
MLX4_EN_1G_SPEED)
state->link_speed = 1000;
else
state->link_speed = 10000;
state->transciver = qport_context->transceiver;
out:
mlx4_free_cmd_mailbox(mdev->dev, mailbox);
return err;
}
int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
{

14
drivers/net/mlx4/en_port.h
View File

@ -84,6 +84,20 @@ enum {
MLX4_MCAST_ENABLE = 2,
};
struct mlx4_en_query_port_context {
u8 link_up;
#define MLX4_EN_LINK_UP_MASK 0x80
u8 reserved;
__be16 mtu;
u8 reserved2;
u8 link_speed;
#define MLX4_EN_SPEED_MASK 0x3
#define MLX4_EN_1G_SPEED 0x2
u16 reserved3[5];
__be64 mac;
u8 transceiver;
};
struct mlx4_en_stat_out_mbox {
/* Received frames with a length of 64 octets */

20
drivers/net/mlx4/en_rx.c
View File

@ -541,6 +541,21 @@ static struct sk_buff *mlx4_en_rx_skb(struct mlx4_en_priv *priv,
return skb;
}
static void validate_loopback(struct mlx4_en_priv *priv, struct sk_buff *skb)
{
int i;
int offset = ETH_HLEN;
for (i = 0; i < MLX4_LOOPBACK_TEST_PAYLOAD; i++, offset++) {
if (*(skb->data + offset) != (unsigned char) (i & 0xff))
goto out_loopback;
}
/* Loopback found */
priv->loopback_ok = 1;
out_loopback:
dev_kfree_skb_any(skb);
}
int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int budget)
{
@ -655,6 +670,11 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
goto next;
}
if (unlikely(priv->validate_loopback)) {
validate_loopback(priv, skb);
goto next;
}
skb->ip_summed = ip_summed;
skb->protocol = eth_type_trans(skb, dev);
skb_record_rx_queue(skb, cq->ring);

179
drivers/net/mlx4/en_selftest.c Normal file
View File

@ -0,0 +1,179 @@
/*
* 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.
*
*/
#include <linux/kernel.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/delay.h>
#include <linux/mlx4/driver.h>
#include "mlx4_en.h"
static int mlx4_en_test_registers(struct mlx4_en_priv *priv)
{
return mlx4_cmd(priv->mdev->dev, 0, 0, 0, MLX4_CMD_HW_HEALTH_CHECK,
MLX4_CMD_TIME_CLASS_A);
}
static int mlx4_en_test_loopback_xmit(struct mlx4_en_priv *priv)
{
struct sk_buff *skb;
struct ethhdr *ethh;
unsigned char *packet;
unsigned int packet_size = MLX4_LOOPBACK_TEST_PAYLOAD;
unsigned int i;
int err;
/* build the pkt before xmit */
skb = netdev_alloc_skb(priv->dev, MLX4_LOOPBACK_TEST_PAYLOAD + ETH_HLEN + NET_IP_ALIGN);
if (!skb) {
en_err(priv, "-LOOPBACK_TEST_XMIT- failed to create skb for xmit\n");
return -ENOMEM;
}
skb_reserve(skb, NET_IP_ALIGN);
ethh = (struct ethhdr *)skb_put(skb, sizeof(struct ethhdr));
packet = (unsigned char *)skb_put(skb, packet_size);
memcpy(ethh->h_dest, priv->dev->dev_addr, ETH_ALEN);
memset(ethh->h_source, 0, ETH_ALEN);
ethh->h_proto = htons(ETH_P_ARP);
skb_set_mac_header(skb, 0);
for (i = 0; i < packet_size; ++i) /* fill our packet */
packet[i] = (unsigned char)(i & 0xff);
/* xmit the pkt */
err = mlx4_en_xmit(skb, priv->dev);
return err;
}
static int mlx4_en_test_loopback(struct mlx4_en_priv *priv)
{
u32 loopback_ok = 0;
int i;
priv->loopback_ok = 0;
priv->validate_loopback = 1;
/* xmit */
if (mlx4_en_test_loopback_xmit(priv)) {
en_err(priv, "Transmitting loopback packet failed\n");
goto mlx4_en_test_loopback_exit;
}
/* polling for result */
for (i = 0; i < MLX4_EN_LOOPBACK_RETRIES; ++i) {
msleep(MLX4_EN_LOOPBACK_TIMEOUT);
if (priv->loopback_ok) {
loopback_ok = 1;
break;
}
}
if (!loopback_ok)
en_err(priv, "Loopback packet didn't arrive\n");
mlx4_en_test_loopback_exit:
priv->validate_loopback = 0;
return (!loopback_ok);
}
static int mlx4_en_test_link(struct mlx4_en_priv *priv)
{
if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
return -ENOMEM;
if (priv->port_state.link_state == 1)
return 0;
else
return 1;
}
static int mlx4_en_test_speed(struct mlx4_en_priv *priv)
{
if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
return -ENOMEM;
/* The device currently only supports 10G speed */
if (priv->port_state.link_speed != SPEED_10000)
return priv->port_state.link_speed;
return 0;
}
void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
struct mlx4_en_tx_ring *tx_ring;
int i, carrier_ok;
memset(buf, 0, sizeof(u64) * MLX4_EN_NUM_SELF_TEST);
if (*flags & ETH_TEST_FL_OFFLINE) {
/* disable the interface */
carrier_ok = netif_carrier_ok(dev);
netif_carrier_off(dev);
retry_tx:
/* Wait untill all tx queues are empty.
* there should not be any additional incoming traffic
* since we turned the carrier off */
msleep(200);
for (i = 0; i < priv->tx_ring_num && carrier_ok; i++) {
tx_ring = &priv->tx_ring[i];
if (tx_ring->prod != (tx_ring->cons + tx_ring->last_nr_txbb))
goto retry_tx;
}
if (priv->mdev->dev->caps.loopback_support){
buf[3] = mlx4_en_test_registers(priv);
buf[4] = mlx4_en_test_loopback(priv);
}
if (carrier_ok)
netif_carrier_on(dev);
}
buf[0] = mlx4_test_interrupts(mdev->dev);
buf[1] = mlx4_en_test_link(priv);
buf[2] = mlx4_en_test_speed(priv);
for (i = 0; i < MLX4_EN_NUM_SELF_TEST; i++) {
if (buf[i])
*flags |= ETH_TEST_FL_FAILED;
}
}

16
drivers/net/mlx4/en_tx.c
View File

@ -600,6 +600,9 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
struct mlx4_wqe_data_seg *data;
struct skb_frag_struct *frag;
struct mlx4_en_tx_info *tx_info;
struct ethhdr *ethh;
u64 mac;
u32 mac_l, mac_h;
int tx_ind = 0;
int nr_txbb;
int desc_size;
@ -679,6 +682,19 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
priv->port_stats.tx_chksum_offload++;
}
if (unlikely(priv->validate_loopback)) {
/* Copy dst mac address to wqe */
skb_reset_mac_header(skb);
ethh = eth_hdr(skb);
if (ethh && ethh->h_dest) {
mac = mlx4_en_mac_to_u64(ethh->h_dest);
mac_h = (u32) ((mac & 0xffff00000000ULL) >> 16);
mac_l = (u32) (mac & 0xffffffff);
tx_desc->ctrl.srcrb_flags |= cpu_to_be32(mac_h);
tx_desc->ctrl.imm = cpu_to_be32(mac_l);
}
}
/* Handle LSO (TSO) packets */
if (lso_header_size) {
/* Mark opcode as LSO */

44
drivers/net/mlx4/eq.c
View File

@ -699,3 +699,47 @@ void mlx4_cleanup_eq_table(struct mlx4_dev *dev)
kfree(priv->eq_table.uar_map);
}
/* A test that verifies that we can accept interrupts on all
* the irq vectors of the device.
* Interrupts are checked using the NOP command.
*/
int mlx4_test_interrupts(struct mlx4_dev *dev)
{
struct mlx4_priv *priv = mlx4_priv(dev);
int i;
int err;
err = mlx4_NOP(dev);
/* When not in MSI_X, there is only one irq to check */
if (!(dev->flags & MLX4_FLAG_MSI_X))
return err;
/* A loop over all completion vectors, for each vector we will check
* whether it works by mapping command completions to that vector
* and performing a NOP command
*/
for(i = 0; !err && (i < dev->caps.num_comp_vectors); ++i) {
/* Temporary use polling for command completions */
mlx4_cmd_use_polling(dev);
/* Map the new eq to handle all asyncronous events */
err = mlx4_MAP_EQ(dev, MLX4_ASYNC_EVENT_MASK, 0,
priv->eq_table.eq[i].eqn);
if (err) {
mlx4_warn(dev, "Failed mapping eq for interrupt test\n");
mlx4_cmd_use_events(dev);
break;
}
/* Go back to using events */
mlx4_cmd_use_events(dev);
err = mlx4_NOP(dev);
}
/* Return to default */
mlx4_MAP_EQ(dev, MLX4_ASYNC_EVENT_MASK, 0,
priv->eq_table.eq[dev->caps.num_comp_vectors].eqn);
return err;
}
EXPORT_SYMBOL(mlx4_test_interrupts);

3
drivers/net/mlx4/fw.c
View File

@ -178,6 +178,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
#define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
#define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
#define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
#define QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET 0x43
#define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
#define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
#define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
@ -268,6 +269,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev_cap->max_msg_sz = 1 << (field & 0x1f);
MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
dev_cap->stat_rate_support = stat_rate;
MLX4_GET(field, outbox, QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET);
dev_cap->loopback_support = field & 0x1;
MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
dev_cap->reserved_uars = field >> 4;

1
drivers/net/mlx4/fw.h
View File

@ -74,6 +74,7 @@ struct mlx4_dev_cap {
u64 def_mac[MLX4_MAX_PORTS + 1];
u16 eth_mtu[MLX4_MAX_PORTS + 1];
u16 stat_rate_support;
int loopback_support;
u32 flags;
int reserved_uars;
int uar_size;

1
drivers/net/mlx4/main.c
View File

@ -221,6 +221,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev->caps.bmme_flags = dev_cap->bmme_flags;
dev->caps.reserved_lkey = dev_cap->reserved_lkey;
dev->caps.stat_rate_support = dev_cap->stat_rate_support;
dev->caps.loopback_support = dev_cap->loopback_support;
dev->caps.max_gso_sz = dev_cap->max_gso_sz;
dev->caps.log_num_macs = log_num_mac;

19
drivers/net/mlx4/mlx4_en.h
View File

@ -45,6 +45,7 @@
#include <linux/mlx4/cq.h>
#include <linux/mlx4/srq.h>
#include <linux/mlx4/doorbell.h>
#include <linux/mlx4/cmd.h>
#include "en_port.h"
@ -139,10 +140,14 @@ enum {
#define SMALL_PACKET_SIZE (256 - NET_IP_ALIGN)
#define HEADER_COPY_SIZE (128 - NET_IP_ALIGN)
#define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETH_HLEN)
#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
@ -356,6 +361,12 @@ struct mlx4_en_rss_context {
__be32 rss_key[10];
};
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];
@ -404,6 +415,7 @@ struct mlx4_en_priv {
struct vlan_group *vlgrp;
struct net_device_stats stats;
struct net_device_stats ret_stats;
struct mlx4_en_port_state port_state;
spinlock_t stats_lock;
unsigned long last_moder_packets;
@ -422,6 +434,8 @@ struct mlx4_en_priv {
u16 sample_interval;
u16 adaptive_rx_coal;
u32 msg_enable;
u32 loopback_ok;
u32 validate_loopback;
struct mlx4_hwq_resources res;
int link_state;
@ -530,6 +544,11 @@ 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

1
include/linux/mlx4/cmd.h
View File

@ -56,6 +56,7 @@ enum {
MLX4_CMD_QUERY_HCA = 0xb,
MLX4_CMD_QUERY_PORT = 0x43,
MLX4_CMD_SENSE_PORT = 0x4d,
MLX4_CMD_HW_HEALTH_CHECK = 0x50,
MLX4_CMD_SET_PORT = 0xc,
MLX4_CMD_ACCESS_DDR = 0x2e,
MLX4_CMD_MAP_ICM = 0xffa,

2
include/linux/mlx4/device.h
View File

@ -229,6 +229,7 @@ struct mlx4_caps {
u32 bmme_flags;
u32 reserved_lkey;
u16 stat_rate_support;
int loopback_support;
u8 port_width_cap[MLX4_MAX_PORTS + 1];
int max_gso_sz;
int reserved_qps_cnt[MLX4_NUM_QP_REGION];
@ -480,5 +481,6 @@ void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
u32 *lkey, u32 *rkey);
int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
int mlx4_SYNC_TPT(struct mlx4_dev *dev);
int mlx4_test_interrupts(struct mlx4_dev *dev);
#endif /* MLX4_DEVICE_H */