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net/mlx5e: Dump xmit error completions 

Monitor and dump xmit error completions. In addition, add err_cqe
counter to track the number of error completion per send queue.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eran Ben Elisha 2018-01-09 16:21:16 +02:00 committed by Saeed Mahameed
parent 1acae6b030
commit 16cc14d817
3 changed files with 24 additions and 0 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
View File

@ -60,6 +60,7 @@ static const struct counter_desc sw_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_wake) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_dropped) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_xmit_more) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_cqe_err) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_wqe_err) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_mpwqe_filler) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_buff_alloc_err) },
@ -153,6 +154,7 @@ static void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv)
s->tx_queue_stopped += sq_stats->stopped;
s->tx_queue_wake += sq_stats->wake;
s->tx_queue_dropped += sq_stats->dropped;
s->tx_cqe_err += sq_stats->cqe_err;
s->tx_xmit_more += sq_stats->xmit_more;
s->tx_csum_partial_inner += sq_stats->csum_partial_inner;
s->tx_csum_none += sq_stats->csum_none;
@ -1103,6 +1105,7 @@ static const struct counter_desc sq_stats_desc[] = {
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, wake) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, dropped) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, xmit_more) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, cqe_err) },
};
static const struct counter_desc ch_stats_desc[] = {

2
drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
View File

@ -78,6 +78,7 @@ struct mlx5e_sw_stats {
u64 tx_queue_wake;
u64 tx_queue_dropped;
u64 tx_xmit_more;
u64 tx_cqe_err;
u64 rx_wqe_err;
u64 rx_mpwqe_filler;
u64 rx_buff_alloc_err;
@ -197,6 +198,7 @@ struct mlx5e_sq_stats {
u64 stopped;
u64 wake;
u64 dropped;
u64 cqe_err;
};
struct mlx5e_ch_stats {

19
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
View File

@ -417,6 +417,18 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev)
return mlx5e_sq_xmit(sq, skb, wqe, pi);
}
static void mlx5e_dump_error_cqe(struct mlx5e_txqsq *sq,
struct mlx5_err_cqe *err_cqe)
{
u32 ci = mlx5_cqwq_get_ci(&sq->cq.wq);
netdev_err(sq->channel->netdev,
"Error cqe on cqn 0x%x, ci 0x%x, sqn 0x%x, syndrome 0x%x, vendor syndrome 0x%x\n",
sq->cq.mcq.cqn, ci, sq->sqn, err_cqe->syndrome,
err_cqe->vendor_err_synd);
mlx5_dump_err_cqe(sq->cq.mdev, err_cqe);
}
bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
{
struct mlx5e_txqsq *sq;
@ -456,6 +468,13 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
wqe_counter = be16_to_cpu(cqe->wqe_counter);
if (unlikely(cqe->op_own >> 4 == MLX5_CQE_REQ_ERR)) {
if (!sq->stats.cqe_err)
mlx5e_dump_error_cqe(sq,
(struct mlx5_err_cqe *)cqe);
sq->stats.cqe_err++;
}
do {
struct mlx5e_tx_wqe_info *wi;
struct sk_buff *skb;