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net/mlx5e: Add support for ethtool self diagnostics test

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The self diagnostics test implementaion include the following features:
1. Link Test: Check that link is in up state.
2. Speed Test: Check that link was negotiated correctly.
3. Health Test: Check the device health.

Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kamal Heib 2016-11-27 17:02:09 +02:00 committed by David S. Miller
parent 0eca995f3e
commit d605d6686d
4 changed files with 139 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/mellanox/mlx5/core/Makefile
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@ -8,6 +8,6 @@ mlx5_core-y := main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \
mlx5_core-$(CONFIG_MLX5_CORE_EN) += wq.o eswitch.o eswitch_offloads.o \
en_main.o en_common.o en_fs.o en_ethtool.o en_tx.o \
en_rx.o en_rx_am.o en_txrx.o en_clock.o vxlan.o \
en_tc.o en_arfs.o en_rep.o en_fs_ethtool.o
en_tc.o en_arfs.o en_rep.o en_fs_ethtool.o en_selftest.o
mlx5_core-$(CONFIG_MLX5_CORE_EN_DCB) += en_dcbnl.o

5
drivers/net/ethernet/mellanox/mlx5/core/en.h
View File

@ -167,6 +167,8 @@ struct mlx5e_umr_wqe {
struct mlx5_wqe_data_seg data;
};
extern const char mlx5e_self_tests[][ETH_GSTRING_LEN];
static const char mlx5e_priv_flags[][ETH_GSTRING_LEN] = {
"rx_cqe_moder",
};
@ -754,6 +756,9 @@ int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
void mlx5e_init_l2_addr(struct mlx5e_priv *priv);
void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
int mlx5e_self_test_num(struct mlx5e_priv *priv);
void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,
u64 *buf);
int mlx5e_ethtool_get_flow(struct mlx5e_priv *priv, struct ethtool_rxnfc *info,
int location);
int mlx5e_ethtool_get_all_flows(struct mlx5e_priv *priv,

8
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
View File

@ -180,6 +180,8 @@ static int mlx5e_get_sset_count(struct net_device *dev, int sset)
case ETH_SS_PRIV_FLAGS:
return ARRAY_SIZE(mlx5e_priv_flags);
case ETH_SS_TEST:
return mlx5e_self_test_num(priv);
/* fallthrough */
default:
return -EOPNOTSUPP;
@ -286,6 +288,9 @@ static void mlx5e_get_strings(struct net_device *dev,
break;
case ETH_SS_TEST:
for (i = 0; i < mlx5e_self_test_num(priv); i++)
strcpy(data + i * ETH_GSTRING_LEN,
mlx5e_self_tests[i]);
break;
case ETH_SS_STATS:
@ -1573,5 +1578,6 @@ const struct ethtool_ops mlx5e_ethtool_ops = {
.get_module_info = mlx5e_get_module_info,
.get_module_eeprom = mlx5e_get_module_eeprom,
.get_priv_flags = mlx5e_get_priv_flags,
.set_priv_flags = mlx5e_set_priv_flags
.set_priv_flags = mlx5e_set_priv_flags,
.self_test = mlx5e_self_test,
};

126
drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c Normal file
View File

@ -0,0 +1,126 @@
/*
* Copyright (c) 2016, Mellanox Technologies, Ltd. 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 "en.h"
enum {
MLX5E_ST_LINK_STATE,
MLX5E_ST_LINK_SPEED,
MLX5E_ST_HEALTH_INFO,
MLX5E_ST_NUM,
};
const char mlx5e_self_tests[MLX5E_ST_NUM][ETH_GSTRING_LEN] = {
"Link Test",
"Speed Test",
"Health Test",
};
int mlx5e_self_test_num(struct mlx5e_priv *priv)
{
return ARRAY_SIZE(mlx5e_self_tests);
}
static int mlx5e_test_health_info(struct mlx5e_priv *priv)
{
struct mlx5_core_health *health = &priv->mdev->priv.health;
return health->sick ? 1 : 0;
}
static int mlx5e_test_link_state(struct mlx5e_priv *priv)
{
u8 port_state;
if (!netif_carrier_ok(priv->netdev))
return 1;
port_state = mlx5_query_vport_state(priv->mdev, MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT, 0);
return port_state == VPORT_STATE_UP ? 0 : 1;
}
static int mlx5e_test_link_speed(struct mlx5e_priv *priv)
{
u32 out[MLX5_ST_SZ_DW(ptys_reg)];
u32 eth_proto_oper;
int i;
if (!netif_carrier_ok(priv->netdev))
return 1;
if (mlx5_query_port_ptys(priv->mdev, out, sizeof(out), MLX5_PTYS_EN, 1))
return 1;
eth_proto_oper = MLX5_GET(ptys_reg, out, eth_proto_oper);
for (i = 0; i < MLX5E_LINK_MODES_NUMBER; i++) {
if (eth_proto_oper & MLX5E_PROT_MASK(i))
return 0;
}
return 1;
}
static int (*mlx5e_st_func[MLX5E_ST_NUM])(struct mlx5e_priv *) = {
mlx5e_test_link_state,
mlx5e_test_link_speed,
mlx5e_test_health_info,
};
void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,
u64 *buf)
{
struct mlx5e_priv *priv = netdev_priv(ndev);
int i;
memset(buf, 0, sizeof(u64) * MLX5E_ST_NUM);
mutex_lock(&priv->state_lock);
netdev_info(ndev, "Self test begin..\n");
for (i = 0; i < MLX5E_ST_NUM; i++) {
netdev_info(ndev, "\t[%d] %s start..\n",
i, mlx5e_self_tests[i]);
buf[i] = mlx5e_st_func[i](priv);
netdev_info(ndev, "\t[%d] %s end: result(%lld)\n",
i, mlx5e_self_tests[i], buf[i]);
}
mutex_unlock(&priv->state_lock);
for (i = 0; i < MLX5E_ST_NUM; i++) {
if (buf[i]) {
etest->flags |= ETH_TEST_FL_FAILED;
break;
}
}
netdev_info(ndev, "Self test out: status flags(0x%x)\n",
etest->flags);
}