Commit 3a3da78d authored by Gal Pressman's avatar Gal Pressman Committed by Saeed Mahameed
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net/mlx5e: Add flow steering debugfs directory



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: default avatarGal Pressman <gal@nvidia.com>
Reviewed-by: default avatarTariq Toukan <tariqt@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 1a803472
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+4 −1
Original line number Diff line number Diff line
@@ -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__)

+21 −1
Original line number Diff line number Diff line
@@ -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);
+2 −1
Original line number Diff line number Diff line
@@ -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);
+6 −3
Original line number Diff line number Diff line
@@ -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;
+2 −1
Original line number Diff line number Diff line
@@ -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;