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| author | Tariq Toukan <tariqt@mellanox.com> | 2019-10-07 14:01:29 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2019-10-18 12:11:53 -0700 |
| commit | 84d1bb2b139e0184b1754aa1b5776186b475fce8 (patch) | |
| tree | 175d38cba24679813ba96c48ad4d332355bee665 /drivers/net/ethernet/mellanox/mlx5/core/en.h | |
| parent | 700ec497424069fa4d8f3715759c4aaec016e840 (diff) | |
| download | linux-84d1bb2b139e0184b1754aa1b5776186b475fce8.tar.bz2 | |
net/mlx5e: kTLS, Limit DUMP wqe size
HW expects the data size in DUMP WQEs to be up to MTU.
Make sure they are in range.
We elevate the frag page refcount by 'n-1', in addition to the
one obtained in tx_sync_info_get(), having an overall of 'n'
references. We bulk increments by using a single page_ref_add()
command, to optimize perfermance.
The refcounts are released one by one, by the corresponding completions.
Fixes: d2ead1f360e8 ("net/mlx5e: Add kTLS TX HW offload support")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index cb6f7b87e38f..f1a7bc46f1c0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -410,6 +410,7 @@ struct mlx5e_txqsq { struct device *pdev; __be32 mkey_be; unsigned long state; + unsigned int hw_mtu; struct hwtstamp_config *tstamp; struct mlx5_clock *clock; |