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net/mlx5e: XDP, Print the offending TX descriptor on error completion

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Upon an error completion on an XDP SQ, print the offending WQE
to ease the debug process.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Tariq Toukan 2020-02-09 17:13:23 +02:00 committed by Saeed Mahameed
parent f1b95753ee
commit e2e11dbf36
1 changed files with 3 additions and 4 deletions
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7
drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
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@ -408,7 +408,8 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq)
i = 0;
do {
u16 wqe_counter;
struct mlx5e_xdp_wqe_info *wi;
u16 wqe_counter, ci;
bool last_wqe;
mlx5_cqwq_pop(&cq->wq);
@ -416,9 +417,6 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq)
wqe_counter = be16_to_cpu(cqe->wqe_counter);
do {
struct mlx5e_xdp_wqe_info *wi;
u16 ci;
last_wqe = (sqcc == wqe_counter);
ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sqcc);
wi = &sq->db.wqe_info[ci];
@ -434,6 +432,7 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq)
get_cqe_opcode(cqe));
mlx5e_dump_error_cqe(&sq->cq, sq->sqn,
(struct mlx5_err_cqe *)cqe);
mlx5_wq_cyc_wqe_dump(&sq->wq, ci, wi->num_wqebbs);
}
} while ((++i < MLX5E_TX_CQ_POLL_BUDGET) && (cqe = mlx5_cqwq_get_cqe(&cq->wq)));