diff options
| author | Dotan Barak <dotanb@dev.mellanox.co.il> | 2019-11-03 12:11:35 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-11-06 05:01:01 +0300 |
| commit | 57d0f00dfeb3775eae88af1c4aeda6bd35943f20 (patch) | |
| tree | c45f78c1b2acd8e31feda1d4b600d8feb95df9bf /drivers/net/ethernet/mellanox | |
| parent | e684000b8a2b1e14b9f8ebd72dfd998d44a864ca (diff) | |
| download | linux-57d0f00dfeb3775eae88af1c4aeda6bd35943f20.tar.xz | |
mlx4_core: fix wrong comment about the reason of subtract one from the max_cqes
The reason for the pre-allocation of one CQE is to enable resizing of
the CQ.
Fix comment accordingly.
Signed-off-by: Dotan Barak <dotanb@dev.mellanox.co.il>
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.com>
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index fce9b3a24347..69bb6bb06e76 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -514,8 +514,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; /* * Subtract 1 from the limit because we need to allocate a - * spare CQE so the HCA HW can tell the difference between an - * empty CQ and a full CQ. + * spare CQE to enable resizing the CQ. */ dev->caps.max_cqes = dev_cap->max_cq_sz - 1; dev->caps.reserved_cqs = dev_cap->reserved_cqs; |