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net/mlx5e: XDP, Warn upon polling an error CQE 

Do not ignore the CQE opcode.
This helps expose issues and debug them.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Tariq Toukan 2018-11-15 11:48:41 +02:00 committed by Saeed Mahameed
parent feb2ff9d74
commit db02a308cd
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
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@ -197,6 +197,11 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq, struct mlx5e_rq *rq)
wqe_counter = be16_to_cpu(cqe->wqe_counter);
if (unlikely(get_cqe_opcode(cqe) != MLX5_CQE_REQ))
netdev_WARN_ONCE(sq->channel->netdev,
"Bad OP in XDPSQ CQE: 0x%x\n",
get_cqe_opcode(cqe));
do {
u16 ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sqcc);
struct mlx5e_xdp_info *xdpi = &sq->db.xdpi[ci];