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Message-Id: <20230111053045.413133-8-saeed@kernel.org>
Date: Tue, 10 Jan 2023 21:30:37 -0800
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>
Cc: Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
Tariq Toukan <tariqt@...dia.com>, Gal Pressman <gal@...dia.com>
Subject: [net-next 07/15] net/mlx5e: Add flow steering debugfs directory
From: Gal Pressman <gal@...dia.com>
Add a debugfs directory for flow steering related information.
The directory is currently empty, and will hold the 'tc' subdirectory in
a downstream patch.
Signed-off-by: Gal Pressman <gal@...dia.com>
Reviewed-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../net/ethernet/mellanox/mlx5/core/en/fs.h | 5 ++++-
.../net/ethernet/mellanox/mlx5/core/en_fs.c | 22 ++++++++++++++++++-
.../net/ethernet/mellanox/mlx5/core/en_main.c | 3 ++-
.../net/ethernet/mellanox/mlx5/core/en_rep.c | 9 +++++---
.../ethernet/mellanox/mlx5/core/ipoib/ipoib.c | 3 ++-
5 files changed, 35 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
index 379c6dc9a3be..5233d4daca41 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
@@ -145,7 +145,8 @@ void mlx5e_destroy_flow_steering(struct mlx5e_flow_steering *fs, bool ntuple,
struct mlx5e_flow_steering *mlx5e_fs_init(const struct mlx5e_profile *profile,
struct mlx5_core_dev *mdev,
- bool state_destroy);
+ bool state_destroy,
+ struct dentry *dfs_root);
void mlx5e_fs_cleanup(struct mlx5e_flow_steering *fs);
struct mlx5e_vlan_table *mlx5e_fs_get_vlan(struct mlx5e_flow_steering *fs);
void mlx5e_fs_set_tc(struct mlx5e_flow_steering *fs, struct mlx5e_tc_table *tc);
@@ -189,6 +190,8 @@ int mlx5e_fs_vlan_rx_kill_vid(struct mlx5e_flow_steering *fs,
__be16 proto, u16 vid);
void mlx5e_fs_init_l2_addr(struct mlx5e_flow_steering *fs, struct net_device *netdev);
+struct dentry *mlx5e_fs_get_debugfs_root(struct mlx5e_flow_steering *fs);
+
#define fs_err(fs, fmt, ...) \
mlx5_core_err(mlx5e_fs_get_mdev(fs), fmt, ##__VA_ARGS__)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
index 1892ccb889b3..7298fe782e9e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
@@ -30,6 +30,7 @@
* SOFTWARE.
*/
+#include <linux/debugfs.h>
#include <linux/list.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
@@ -67,6 +68,7 @@ struct mlx5e_flow_steering {
struct mlx5e_fs_udp *udp;
struct mlx5e_fs_any *any;
struct mlx5e_ptp_fs *ptp_fs;
+ struct dentry *dfs_root;
};
static int mlx5e_add_l2_flow_rule(struct mlx5e_flow_steering *fs,
@@ -104,6 +106,11 @@ static inline int mlx5e_hash_l2(const u8 *addr)
return addr[5];
}
+struct dentry *mlx5e_fs_get_debugfs_root(struct mlx5e_flow_steering *fs)
+{
+ return fs->dfs_root;
+}
+
static void mlx5e_add_l2_to_hash(struct hlist_head *hash, const u8 *addr)
{
struct mlx5e_l2_hash_node *hn;
@@ -1429,9 +1436,19 @@ static int mlx5e_fs_ethtool_alloc(struct mlx5e_flow_steering *fs)
static void mlx5e_fs_ethtool_free(struct mlx5e_flow_steering *fs) { }
#endif
+static void mlx5e_fs_debugfs_init(struct mlx5e_flow_steering *fs,
+ struct dentry *dfs_root)
+{
+ if (IS_ERR_OR_NULL(dfs_root))
+ return;
+
+ fs->dfs_root = debugfs_create_dir("fs", dfs_root);
+}
+
struct mlx5e_flow_steering *mlx5e_fs_init(const struct mlx5e_profile *profile,
struct mlx5_core_dev *mdev,
- bool state_destroy)
+ bool state_destroy,
+ struct dentry *dfs_root)
{
struct mlx5e_flow_steering *fs;
int err;
@@ -1458,6 +1475,8 @@ struct mlx5e_flow_steering *mlx5e_fs_init(const struct mlx5e_profile *profile,
if (err)
goto err_free_tc;
+ mlx5e_fs_debugfs_init(fs, dfs_root);
+
return fs;
err_free_tc:
mlx5e_fs_tc_free(fs);
@@ -1471,6 +1490,7 @@ struct mlx5e_flow_steering *mlx5e_fs_init(const struct mlx5e_profile *profile,
void mlx5e_fs_cleanup(struct mlx5e_flow_steering *fs)
{
+ debugfs_remove_recursive(fs->dfs_root);
mlx5e_fs_ethtool_free(fs);
mlx5e_fs_tc_free(fs);
mlx5e_fs_vlan_free(fs);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 16c8bbad5b33..cef8df9cd42b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -5231,7 +5231,8 @@ static int mlx5e_nic_init(struct mlx5_core_dev *mdev,
mlx5e_timestamp_init(priv);
fs = mlx5e_fs_init(priv->profile, mdev,
- !test_bit(MLX5E_STATE_DESTROYING, &priv->state));
+ !test_bit(MLX5E_STATE_DESTROYING, &priv->state),
+ priv->dfs_root);
if (!fs) {
err = -ENOMEM;
mlx5_core_err(mdev, "FS initialization failed, %d\n", err);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 75b9e1528fd2..eecaf46c55de 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -788,8 +788,10 @@ static int mlx5e_init_rep(struct mlx5_core_dev *mdev,
{
struct mlx5e_priv *priv = netdev_priv(netdev);
- priv->fs = mlx5e_fs_init(priv->profile, mdev,
- !test_bit(MLX5E_STATE_DESTROYING, &priv->state));
+ priv->fs =
+ mlx5e_fs_init(priv->profile, mdev,
+ !test_bit(MLX5E_STATE_DESTROYING, &priv->state),
+ priv->dfs_root);
if (!priv->fs) {
netdev_err(priv->netdev, "FS allocation failed\n");
return -ENOMEM;
@@ -807,7 +809,8 @@ static int mlx5e_init_ul_rep(struct mlx5_core_dev *mdev,
struct mlx5e_priv *priv = netdev_priv(netdev);
priv->fs = mlx5e_fs_init(priv->profile, mdev,
- !test_bit(MLX5E_STATE_DESTROYING, &priv->state));
+ !test_bit(MLX5E_STATE_DESTROYING, &priv->state),
+ priv->dfs_root);
if (!priv->fs) {
netdev_err(priv->netdev, "FS allocation failed\n");
return -ENOMEM;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index 2c73c8445e63..dd4b255c416b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -374,7 +374,8 @@ static int mlx5i_init_rx(struct mlx5e_priv *priv)
int err;
priv->fs = mlx5e_fs_init(priv->profile, mdev,
- !test_bit(MLX5E_STATE_DESTROYING, &priv->state));
+ !test_bit(MLX5E_STATE_DESTROYING, &priv->state),
+ priv->dfs_root);
if (!priv->fs) {
netdev_err(priv->netdev, "FS allocation failed\n");
return -ENOMEM;
--
2.39.0
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