From: Maor Gottlieb <ma...@mellanox.com>
Sniffer RX namespace: used for catching RoCE and
bypass traffic.
Sniffer TX namespace: used for catching all the TX traffic.
Signed-off-by: Maor Gottlieb <ma...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 56 +++++++++++++++++++++++
drivers/net/ethernet/mellanox/mlx5/core/fs_core.h | 4 ++
include/linux/mlx5/fs.h | 2 +
3 files changed, 62 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index b7ddcd2..e52da43 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1502,6 +1502,16 @@ struct mlx5_flow_namespace
*mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
return &steering->esw_ingress_root_ns->ns;
else
return NULL;
+ case MLX5_FLOW_NAMESPACE_SNIFFER_RX:
+ if (steering->sniffer_rx_root_ns)
+ return &steering->sniffer_rx_root_ns->ns;
+ else
+ return NULL;
+ case MLX5_FLOW_NAMESPACE_SNIFFER_TX:
+ if (steering->sniffer_tx_root_ns)
+ return &steering->sniffer_tx_root_ns->ns;
+ else
+ return NULL;
case MLX5_FLOW_NAMESPACE_ROCE:
if (steering->roce_root_ns)
return &steering->roce_root_ns->ns;
@@ -1812,6 +1822,8 @@ void mlx5_cleanup_fs(struct mlx5_core_dev *dev)
cleanup_root_ns(steering->esw_ingress_root_ns);
cleanup_root_ns(steering->fdb_root_ns);
cleanup_root_ns(steering->roce_root_ns);
+ cleanup_root_ns(steering->sniffer_rx_root_ns);
+ cleanup_root_ns(steering->sniffer_tx_root_ns);
mlx5_cleanup_fc_stats(dev);
kfree(steering);
}
@@ -1836,6 +1848,44 @@ static int init_roce_root_ns(struct mlx5_flow_steering
*steering)
return 0;
}
+static int init_sniffer_rx_root_ns(struct mlx5_flow_steering *steering)
+{
+ struct fs_prio *prio;
+
+ steering->sniffer_rx_root_ns = create_root_ns(steering,
FS_FT_SNIFFER_RX,
+ mlx5_get_phys_fs_cmds());
+ if (!steering->sniffer_rx_root_ns)
+ return -ENOMEM;
+
+ /* Create single prio */
+ prio = fs_create_prio(&steering->sniffer_rx_root_ns->ns, 0, 1);
+ if (IS_ERR(prio)) {
+ cleanup_root_ns(steering->sniffer_rx_root_ns);
+ steering->sniffer_rx_root_ns = NULL;
+ return PTR_ERR(prio);
+ }
+ return 0;
+}
+
+static int init_sniffer_tx_root_ns(struct mlx5_flow_steering *steering)
+{
+ struct fs_prio *prio;
+
+ steering->sniffer_tx_root_ns = create_root_ns(steering,
FS_FT_SNIFFER_TX,
+ mlx5_get_phys_fs_cmds());
+ if (!steering->sniffer_tx_root_ns)
+ return -ENOMEM;
+
+ /* Create single prio */
+ prio = fs_create_prio(&steering->sniffer_tx_root_ns->ns, 0, 1);
+ if (IS_ERR(prio)) {
+ cleanup_root_ns(steering->sniffer_tx_root_ns);
+ steering->sniffer_tx_root_ns = NULL;
+ return PTR_ERR(prio);
+ }
+ return 0;
+}
+
static int init_fdb_root_ns(struct mlx5_flow_steering *steering)
{
struct fs_prio *prio;
@@ -1915,6 +1965,12 @@ int mlx5_init_fs(struct mlx5_core_dev *dev)
err = init_root_ns(steering);
if (err)
goto err;
+ err = init_sniffer_tx_root_ns(steering);
+ if (err)
+ goto err;
+ err = init_sniffer_rx_root_ns(steering);
+ if (err)
+ goto err;
}
if (MLX5_CAP_GEN(dev, eswitch_flow_table)) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
index f758b1e..a869302 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
@@ -49,6 +49,8 @@ enum fs_flow_table_type {
FS_FT_ESW_EGRESS_ACL = 0x2,
FS_FT_ESW_INGRESS_ACL = 0x3,
FS_FT_FDB = 0X4,
+ FS_FT_SNIFFER_RX = 0X5,
+ FS_FT_SNIFFER_TX = 0X6,
};
enum fs_fte_status {
@@ -62,6 +64,8 @@ struct mlx5_flow_steering {
struct mlx5_flow_root_namespace *esw_egress_root_ns;
struct mlx5_flow_root_namespace *esw_ingress_root_ns;
struct mlx5_flow_root_namespace *roce_root_ns;
+ struct mlx5_flow_root_namespace *sniffer_tx_root_ns;
+ struct mlx5_flow_root_namespace *sniffer_rx_root_ns;
};
struct fs_node {
diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h
index db1f06e..f3715eb 100644
--- a/include/linux/mlx5/fs.h
+++ b/include/linux/mlx5/fs.h
@@ -60,6 +60,8 @@ enum mlx5_flow_namespace_type {
MLX5_FLOW_NAMESPACE_FDB,
MLX5_FLOW_NAMESPACE_ESW_EGRESS,
MLX5_FLOW_NAMESPACE_ESW_INGRESS,
+ MLX5_FLOW_NAMESPACE_SNIFFER_RX,
+ MLX5_FLOW_NAMESPACE_SNIFFER_TX,
MLX5_FLOW_NAMESPACE_ROCE,
};
--
2.8.0
