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author | Tariq Toukan <tariqt@mellanox.com> | 2018-11-15 11:48:41 +0200 |
---|---|---|
committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-12-20 22:54:18 -0800 |
commit | db02a308cd724fd37416012c8077d3e0ea2bf386 (patch) | |
tree | 70b7da1a0bf3af295b111719fcd4d5aeb5a58fbf | |
parent | feb2ff9d74f76a174e284255b7e537b6c090c13c (diff) | |
download | linux-db02a308cd724fd37416012c8077d3e0ea2bf386.tar.bz2 |
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>
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index 4961b8fea111..407e285b0430 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -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]; |