net/mlx5e: XDP, Avoid checksum complete when XDP prog is loaded
authorSaeed Mahameed <saeedm@mellanox.com>
Mon, 23 Sep 2019 12:40:20 +0000 (12:40 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 1 Oct 2019 06:26:04 +0000 (08:26 +0200)
commitc95ebb394d65d1bc213bd2bcc10fbf719d7d4921
tree297b269a95eab5a82d653c87b71a2bcffd9bf966
parent79e972a89cad2b98643cb5555dc14c4f60c5dd16
net/mlx5e: XDP, Avoid checksum complete when XDP prog is loaded

[ Upstream commit 5d0bb3bac4b9f6c22280b04545626fdfd99edc6b ]

XDP programs might change packets data contents which will make the
reported skb checksum (checksum complete) invalid.

When XDP programs are loaded/unloaded set/clear rx RQs
MLX5E_RQ_STATE_NO_CSUM_COMPLETE flag.

Fixes: 86994156c736 ("net/mlx5e: XDP fast RX drop bpf programs support")
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c