diff options
| author | Maor Gottlieb <maorg@mellanox.com> | 2019-04-29 18:14:12 +0000 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2019-04-29 16:55:05 -0700 |
| commit | d83eb50e29de36ddc819863ab7b9d2da58bccbd0 (patch) | |
| tree | 5434e3e197cbd96f12cb3567db5b79448fbc046d /drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | |
| parent | ae288a487514ed0b87dd489b77eeca09e1a32fc1 (diff) | |
net/mlx5: Add support in RDMA RX steering
Add new flow steering namespace - MLX5_FLOW_NAMESPACE_RDMA_RX.
Flow steering rules in this namespace are used to filter
RDMA traffic.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fs_core.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 6024df821734..3c2302a2b9d4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -2054,6 +2054,10 @@ struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev, if (steering->sniffer_tx_root_ns) return &steering->sniffer_tx_root_ns->ns; return NULL; + case MLX5_FLOW_NAMESPACE_RDMA_RX: + if (steering->rdma_rx_root_ns) + return &steering->rdma_rx_root_ns->ns; + return NULL; default: break; } @@ -2450,6 +2454,7 @@ void mlx5_cleanup_fs(struct mlx5_core_dev *dev) steering->fdb_sub_ns = NULL; cleanup_root_ns(steering->sniffer_rx_root_ns); cleanup_root_ns(steering->sniffer_tx_root_ns); + cleanup_root_ns(steering->rdma_rx_root_ns); cleanup_root_ns(steering->egress_root_ns); mlx5_cleanup_fc_stats(dev); kmem_cache_destroy(steering->ftes_cache); @@ -2491,6 +2496,22 @@ static int init_sniffer_rx_root_ns(struct mlx5_flow_steering *steering) return 0; } +static int init_rdma_rx_root_ns(struct mlx5_flow_steering *steering) +{ + struct fs_prio *prio; + + steering->rdma_rx_root_ns = create_root_ns(steering, FS_FT_RDMA_RX); + if (!steering->rdma_rx_root_ns) + return -ENOMEM; + + /* Create single prio */ + prio = fs_create_prio(&steering->rdma_rx_root_ns->ns, 0, 1); + if (IS_ERR(prio)) { + cleanup_root_ns(steering->rdma_rx_root_ns); + return PTR_ERR(prio); + } + return 0; +} static int init_fdb_root_ns(struct mlx5_flow_steering *steering) { struct mlx5_flow_namespace *ns; @@ -2727,6 +2748,12 @@ int mlx5_init_fs(struct mlx5_core_dev *dev) goto err; } + if (MLX5_CAP_FLOWTABLE_RDMA_RX(dev, ft_support)) { + err = init_rdma_rx_root_ns(steering); + if (err) + goto err; + } + if (MLX5_IPSEC_DEV(dev) || MLX5_CAP_FLOWTABLE_NIC_TX(dev, ft_support)) { err = init_egress_root_ns(steering); if (err) |