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authorMaor Gottlieb <maorg@mellanox.com>2019-04-29 18:14:12 +0000
committerSaeed Mahameed <saeedm@mellanox.com>2019-04-29 16:55:05 -0700
commitd83eb50e29de36ddc819863ab7b9d2da58bccbd0 (patch)
tree5434e3e197cbd96f12cb3567db5b79448fbc046d /drivers/net/ethernet/mellanox
parentnet/mlx5: Pass flow steering objects to fs_cmd (diff)
downloadlinux-dev-d83eb50e29de36ddc819863ab7b9d2da58bccbd0.tar.xz
linux-dev-d83eb50e29de36ddc819863ab7b9d2da58bccbd0.zip
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')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_core.c27
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_core.h2
3 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
index e89555da485e..629c5ab1c0d1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -854,6 +854,7 @@ const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type typ
case FS_FT_SNIFFER_RX:
case FS_FT_SNIFFER_TX:
case FS_FT_NIC_TX:
+ case FS_FT_RDMA_RX:
return mlx5_fs_cmd_get_fw_cmds();
default:
return mlx5_fs_cmd_get_stub_cmds();
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)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
index 87de0e4d9124..e43c6f6d46a7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
@@ -67,6 +67,7 @@ enum fs_flow_table_type {
FS_FT_FDB = 0X4,
FS_FT_SNIFFER_RX = 0X5,
FS_FT_SNIFFER_TX = 0X6,
+ FS_FT_RDMA_RX = 0X7,
FS_FT_MAX_TYPE = FS_FT_SNIFFER_TX,
};
@@ -90,6 +91,7 @@ struct mlx5_flow_steering {
struct mlx5_flow_root_namespace **esw_ingress_root_ns;
struct mlx5_flow_root_namespace *sniffer_tx_root_ns;
struct mlx5_flow_root_namespace *sniffer_rx_root_ns;
+ struct mlx5_flow_root_namespace *rdma_rx_root_ns;
struct mlx5_flow_root_namespace *egress_root_ns;
};