diff options
| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2017-07-10 19:26:50 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2017-07-10 19:26:50 +0000 |
| commit | 7bb7b27fb1a130ea6a42d9f03ad70372a49e56f9 (patch) | |
| tree | 8f2d04a3459719209affb4f37c2ebf2cb088f786 /sys/dev/mlx4 | |
| parent | 3185adf0fdb4c9092e75221ce34de14a61dd0e2b (diff) | |
Notes
Diffstat (limited to 'sys/dev/mlx4')
| -rw-r--r-- | sys/dev/mlx4/mlx4_en/mlx4_en_rx.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c b/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c index 38c0320db41b..05bf7b41467c 100644 --- a/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c +++ b/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c @@ -394,8 +394,14 @@ int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv) ring->rx_mb_size = priv->rx_mb_size; ring->stride = stride; - if (ring->stride <= TXBB_SIZE) + if (ring->stride <= TXBB_SIZE) { + /* Stamp first unused send wqe */ + __be32 *ptr = (__be32 *)ring->buf; + __be32 stamp = cpu_to_be32(1 << STAMP_SHIFT); + *ptr = stamp; + /* Move pointer to start of rx section */ ring->buf += TXBB_SIZE; + } ring->log_stride = ffs(ring->stride) - 1; ring->buf_size = ring->size * ring->stride; |