From: Patrisious Haddad <phaddad@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
.../mellanox/mlx5/core/lib/macsec_fs.c | 46 ++++++++++++++++++-
1 file changed, 45 insertions(+), 1 deletion(-)
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 d39ca7c66542..15e7ea3ed79f 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 */
@@ -301,6 +306,39 @@ 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);
@@ -443,7 +481,13 @@ 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);
--
2.41.0
