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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2020-04-13 09:02:17 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2020-04-13 09:02:17 +0000 |
| commit | 70e542788103a8578f6eef3840e51e2e2d3586a8 (patch) | |
| tree | d8a577ff3b8cac20abfb0002b4b720b37ad3607c | |
| parent | 644d59c8aec1887fccbe79682c2526f9effbbc9c (diff) | |
| download | src-test2-70e542788103a8578f6eef3840e51e2e2d3586a8.tar.gz src-test2-70e542788103a8578f6eef3840e51e2e2d3586a8.zip | |
MFC r359653:
Count number of times transmit ring is out of buffers in mlx5en(4).
Differential Revision: https://reviews.freebsd.org/D24273
Sponsored by: Mellanox Technologies
Notes
Notes:
svn path=/stable/10/; revision=359855
| -rw-r--r-- | sys/dev/mlx5/mlx5_en/en.h | 1 | ||||
| -rw-r--r-- | sys/dev/mlx5/mlx5_en/mlx5_en_tx.c | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/sys/dev/mlx5/mlx5_en/en.h b/sys/dev/mlx5/mlx5_en/en.h index d9e0d98d3693..9c437bdabaff 100644 --- a/sys/dev/mlx5/mlx5_en/en.h +++ b/sys/dev/mlx5/mlx5_en/en.h @@ -355,6 +355,7 @@ struct mlx5e_rq_stats { m(+1, u64 csum_offload_none, "csum_offload_none", "Transmitted packets") \ m(+1, u64 defragged, "defragged", "Transmitted packets") \ m(+1, u64 dropped, "dropped", "Transmitted packets") \ + m(+1, u64 enobuf, "enobuf", "Transmitted packets") \ m(+1, u64 nop, "nop", "Transmitted packets") #define MLX5E_SQ_STATS_NUM (0 MLX5E_SQ_STATS(MLX5E_STATS_COUNT)) diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c b/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c index 3dcf399fc683..6e32455b8285 100644 --- a/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c +++ b/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c @@ -255,6 +255,7 @@ mlx5e_sq_xmit(struct mlx5e_sq *sq, struct mbuf **mbp) * of the mbuf into the drbr (see mlx5e_xmit_locked) */ if (unlikely(!mlx5e_sq_has_room_for(sq, 2 * MLX5_SEND_WQE_MAX_WQEBBS))) { + sq->stats.enobuf++; return (ENOBUFS); } @@ -264,8 +265,10 @@ mlx5e_sq_xmit(struct mlx5e_sq *sq, struct mbuf **mbp) /* Send one multi NOP message instead of many */ mlx5e_send_nop(sq, (pi + 1) * MLX5_SEND_WQEBB_NUM_DS); pi = ((~sq->pc) & sq->wq.sz_m1); - if (pi < (MLX5_SEND_WQE_MAX_WQEBBS - 1)) + if (pi < (MLX5_SEND_WQE_MAX_WQEBBS - 1)) { + sq->stats.enobuf++; return (ENOMEM); + } } /* Setup local variables */ |