net/mlx5e: kTLS, Limit DUMP wqe size

Browse source

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: d2ead1f360 ("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>

...

This commit is contained in:

Tariq Toukan 2019-10-07 14:01:29 +03:00 • committed by Saeed Mahameed

parent 700ec49742

commit 84d1bb2b13

5 changed files with 52 additions and 12 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

drivers/net/ethernet/mellanox/mlx5/core/en.h

View file

11

drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h

View file

11

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h

View file

34

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c

View file

7

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

View file