diff options
author | Lior Nahmanson <liorna@nvidia.com> | 2022-09-05 22:21:22 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2022-09-07 14:02:08 +0100 |
commit | 9515978eee0b933e37947637d138f1942b3e4b0c (patch) | |
tree | 312327b421446b5b3255fd909125649ed5a72c1f /drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | |
parent | net/mlx5e: Add MACsec TX steering rules (diff) | |
download | linux-dev-9515978eee0b933e37947637d138f1942b3e4b0c.tar.xz linux-dev-9515978eee0b933e37947637d138f1942b3e4b0c.zip |
net/mlx5e: Implement MACsec Tx data path using MACsec skb_metadata_dst
MACsec driver marks Tx packets for device offload using a dedicated
skb_metadata_dst which holds a 64 bits SCI number.
A previously set rule will match on this number so the correct SA is used
for the MACsec operation.
As device driver can only provide 32 bits of metadata to flow tables,
need to used a mapping from 64 bit to 32 bits marker or id,
which is can be achieved by provide a 32 bit unique flow id in the
control path, and used a hash table to map 64 bit to the unique id in the
datapath.
Signed-off-by: Lior Nahmanson <liorna@nvidia.com>
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_tx.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 27f791feb517..bf2232a2a836 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -39,6 +39,7 @@ #include "ipoib/ipoib.h" #include "en_accel/en_accel.h" #include "en_accel/ipsec_rxtx.h" +#include "en_accel/macsec.h" #include "en/ptp.h" #include <net/ipv6.h> @@ -485,7 +486,7 @@ err_drop: static bool mlx5e_tx_skb_supports_mpwqe(struct sk_buff *skb, struct mlx5e_tx_attr *attr) { return !skb_is_nonlinear(skb) && !skb_vlan_tag_present(skb) && !attr->ihs && - !attr->insz; + !attr->insz && !mlx5e_macsec_skb_is_offload(skb); } static bool mlx5e_tx_mpwqe_same_eseg(struct mlx5e_txqsq *sq, struct mlx5_wqe_eth_seg *eseg) |