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author | 2016-08-29 01:13:44 +0300 | |
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committer | 2016-08-28 23:24:15 -0400 | |
commit | 8484f9ed13b26043be80ff5774506024956eae8f (patch) | |
tree | a66e4fc28ba7c4ce6a7d15cc4a4a551315044400 /drivers/net/ethernet/mellanox/mlx5/core/en_main.c | |
parent | net/mlx5e: Don't wait for RQ completions on close (diff) | |
download | linux-dev-8484f9ed13b26043be80ff5774506024956eae8f.tar.xz linux-dev-8484f9ed13b26043be80ff5774506024956eae8f.zip |
net/mlx5e: Don't post fragmented MPWQE when RQ is disabled
ICO (Internal control operations) SQ (Send Queue) is closed/disabled
after RQ (Receive Queue). After RQ is closed an ICO SQ completion
might post a fragmented MPWQE (Multi Packet Work Queue Element) into
that RQ.
As on regular RQ post, check if we are allowed to post to that
RQ (RQ is enabled). Cleanup in-progress UMR MPWQE on mlx5e_free_rx_descs
if needed.
Fixes: bc77b240b3c5 ('net/mlx5e: Add fragmented memory support for RX multi packet WQE')
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_main.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 2463eba75125..e259eaa18f55 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -534,6 +534,10 @@ static void mlx5e_free_rx_descs(struct mlx5e_rq *rq) __be16 wqe_ix_be; u16 wqe_ix; + /* UMR WQE (if in progress) is always at wq->head */ + if (test_bit(MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS, &rq->state)) + mlx5e_free_rx_fragmented_mpwqe(rq, &rq->wqe_info[wq->head]); + while (!mlx5_wq_ll_is_empty(wq)) { wqe_ix_be = *wq->tail_next; wqe_ix = be16_to_cpu(wqe_ix_be); |