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net/mlx5e: Configure PSP Rx flow steering rules

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Set the Rx PSP flow steering rule where PSP packet is identified and
decrypted using the dedicated UDP destination port number 1000. If packet
is decrypted then a PSP marker and syndrome are added to metadata so SW can
use it later on in Rx data path.

The rule is set as part of init_rx netdev profile implementation.

Signed-off-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250917000954.859376-17-daniel.zahka@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Raed Salem 2025-09-16 17:09:43 -07:00 committed by Paolo Abeni
parent 9536fbe10c
commit 2b6e450bfd
3 changed files with 60 additions and 7 deletions
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14
drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
View File

@ -237,12 +237,24 @@ static inline void mlx5e_accel_tx_finish(struct mlx5e_txqsq *sq,
static inline int mlx5e_accel_init_rx(struct mlx5e_priv *priv)
{
return mlx5e_ktls_init_rx(priv);
int err;
err = mlx5_accel_psp_fs_init_rx_tables(priv);
if (err)
goto out;
err = mlx5e_ktls_init_rx(priv);
if (err)
mlx5_accel_psp_fs_cleanup_rx_tables(priv);
out:
return err;
}
static inline void mlx5e_accel_cleanup_rx(struct mlx5e_priv *priv)
{
mlx5e_ktls_cleanup_rx(priv);
mlx5_accel_psp_fs_cleanup_rx_tables(priv);
}
static inline int mlx5e_accel_init_tx(struct mlx5e_priv *priv)

45
drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c
View File

@ -460,9 +460,6 @@ static void accel_psp_fs_cleanup_rx(struct mlx5e_psp_fs *fs)
if (!fs->rx_fs)
return;
for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++)
accel_psp_fs_rx_ft_put(fs, i);
accel_psp = fs->rx_fs;
for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++) {
fs_prot = &accel_psp->fs_prot[i];
@ -488,13 +485,49 @@ static int accel_psp_fs_init_rx(struct mlx5e_psp_fs *fs)
mutex_init(&fs_prot->prot_mutex);
}
for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++)
accel_psp_fs_rx_ft_get(fs, ACCEL_FS_PSP4);
fs->rx_fs = accel_psp;
return 0;
}
void mlx5_accel_psp_fs_cleanup_rx_tables(struct mlx5e_priv *priv)
{
int i;
if (!priv->psp)
return;
for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++)
accel_psp_fs_rx_ft_put(priv->psp->fs, i);
}
int mlx5_accel_psp_fs_init_rx_tables(struct mlx5e_priv *priv)
{
struct mlx5e_psp_fs *fs;
int err, i;
if (!priv->psp)
return 0;
fs = priv->psp->fs;
for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++) {
err = accel_psp_fs_rx_ft_get(fs, i);
if (err)
goto out_err;
}
return 0;
out_err:
i--;
while (i >= 0) {
accel_psp_fs_rx_ft_put(fs, i);
--i;
}
return err;
}
static int accel_psp_fs_tx_create_ft_table(struct mlx5e_psp_fs *fs)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);

8
drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.h
View File

@ -27,6 +27,8 @@ static inline bool mlx5_is_psp_device(struct mlx5_core_dev *mdev)
return true;
}
int mlx5_accel_psp_fs_init_rx_tables(struct mlx5e_priv *priv);
void mlx5_accel_psp_fs_cleanup_rx_tables(struct mlx5e_priv *priv);
int mlx5_accel_psp_fs_init_tx_tables(struct mlx5e_priv *priv);
void mlx5_accel_psp_fs_cleanup_tx_tables(struct mlx5e_priv *priv);
void mlx5e_psp_register(struct mlx5e_priv *priv);
@ -34,6 +36,12 @@ void mlx5e_psp_unregister(struct mlx5e_priv *priv);
int mlx5e_psp_init(struct mlx5e_priv *priv);
void mlx5e_psp_cleanup(struct mlx5e_priv *priv);
#else
static inline int mlx5_accel_psp_fs_init_rx_tables(struct mlx5e_priv *priv)
{
return 0;
}
static inline void mlx5_accel_psp_fs_cleanup_rx_tables(struct mlx5e_priv *priv) { }
static inline int mlx5_accel_psp_fs_init_tx_tables(struct mlx5e_priv *priv)
{
return 0;