diff options
author | Patrisious Haddad <phaddad@nvidia.com> | 2022-08-11 06:00:55 +0300 |
---|---|---|
committer | Leon Romanovsky <leon@kernel.org> | 2023-08-20 12:35:24 +0300 |
commit | 9b240d1094cba5ca4e1bf80ea9f6ef55e6961af9 (patch) | |
tree | e72441d4d50998bf7e33a9d6eea70356378a39b5 /drivers | |
parent | a019b1258da14058668e249ade33b8b2951aaeae (diff) | |
download | linux-stable-9b240d1094cba5ca4e1bf80ea9f6ef55e6961af9.tar.gz linux-stable-9b240d1094cba5ca4e1bf80ea9f6ef55e6961af9.tar.bz2 linux-stable-9b240d1094cba5ca4e1bf80ea9f6ef55e6961af9.zip |
net/mlx5: Configure MACsec steering for egress RoCEv2 traffic
Add steering table in RDMA_TX domain, to forward MACsec traffic
to MACsec crypto table in NIC domain.
The tables are created in a lazy manner when the first TX SA is
being created, and destroyed upon the destruction of the last SA.
Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.c | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.c index b3528516ba35..e5c42b1cc761 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.c @@ -95,6 +95,8 @@ struct mlx5_macsec_tx { struct ida tx_halloc; struct mlx5_macsec_tables tables; + + struct mlx5_flow_table *ft_rdma_tx; }; struct mlx5_macsec_rx_rule { @@ -173,6 +175,9 @@ static void macsec_fs_tx_destroy(struct mlx5_macsec_fs *macsec_fs) struct mlx5_macsec_tx *tx_fs = macsec_fs->tx_fs; struct mlx5_macsec_tables *tx_tables; + if (mlx5_is_macsec_roce_supported(macsec_fs->mdev)) + mlx5_destroy_flow_table(tx_fs->ft_rdma_tx); + tx_tables = &tx_fs->tables; /* Tx check table */ @@ -300,6 +305,39 @@ static struct mlx5_flow_table return fdb; } +enum { + RDMA_TX_MACSEC_LEVEL = 0, +}; + +static int macsec_fs_tx_roce_create(struct mlx5_macsec_fs *macsec_fs) +{ + struct mlx5_macsec_tx *tx_fs = macsec_fs->tx_fs; + struct mlx5_core_dev *mdev = macsec_fs->mdev; + struct mlx5_flow_namespace *ns; + struct mlx5_flow_table *ft; + int err; + + if (!mlx5_is_macsec_roce_supported(mdev)) { + mlx5_core_dbg(mdev, "Failed to init RoCE MACsec, capabilities not supported\n"); + return 0; + } + + ns = mlx5_get_flow_namespace(mdev, MLX5_FLOW_NAMESPACE_RDMA_TX_MACSEC); + if (!ns) + return -ENOMEM; + + /* Tx RoCE crypto table */ + ft = macsec_fs_auto_group_table_create(ns, 0, RDMA_TX_MACSEC_LEVEL, CRYPTO_NUM_MAXSEC_FTE); + if (IS_ERR(ft)) { + err = PTR_ERR(ft); + mlx5_core_err(mdev, "Failed to create MACsec RoCE Tx crypto table err(%d)\n", err); + return err; + } + tx_fs->ft_rdma_tx = ft; + + return 0; +} + static int macsec_fs_tx_create(struct mlx5_macsec_fs *macsec_fs) { int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); @@ -442,7 +480,13 @@ static int macsec_fs_tx_create(struct mlx5_macsec_fs *macsec_fs) } tx_fs->check_rule = rule; - goto out_flow_group; + err = macsec_fs_tx_roce_create(macsec_fs); + if (err) + goto err; + + kvfree(flow_group_in); + kvfree(spec); + return 0; err: macsec_fs_tx_destroy(macsec_fs); |