diff options
| author |   Aviad Yehezkel <aviadye@mellanox.com> | 2018-01-18 16:31:55 +0200 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@mellanox.com> | 2018-03-07 15:54:35 -0800 |
| commit | 75ef3f551572822a392ca9b03486bf09163cc668 (patch) | |
| tree | 7edf94884cc4f3bb4fe4cc4877a246ff00e4b3e9 /drivers/net | |
| parent | net/mlx5: Add flow-steering commands for FPGA IPSec implementation (diff) | |
| download | linux-dev-75ef3f551572822a392ca9b03486bf09163cc668.tar.xz linux-dev-75ef3f551572822a392ca9b03486bf09163cc668.zip | |
net/mlx5e: Added common function for to_ipsec_sa_entry
New function for getting driver internal sa entry from xfrm state.
All checks are done in one function.
Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c index 59df3dbd2e65..f5b1d60f96f5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c @@ -51,6 +51,21 @@ struct mlx5e_ipsec_sa_entry { void *hw_context; }; +static struct mlx5e_ipsec_sa_entry *to_ipsec_sa_entry(struct xfrm_state *x) +{ + struct mlx5e_ipsec_sa_entry *sa; + + if (!x) + return NULL; + + sa = (struct mlx5e_ipsec_sa_entry *)x->xso.offload_handle; + if (!sa) + return NULL; + + WARN_ON(sa->x != x); + return sa; +} + struct xfrm_state *mlx5e_ipsec_sadb_rx_lookup(struct mlx5e_ipsec *ipsec, unsigned int handle) { @@ -312,28 +327,22 @@ out: static void mlx5e_xfrm_del_state(struct xfrm_state *x) { - struct mlx5e_ipsec_sa_entry *sa_entry; + struct mlx5e_ipsec_sa_entry *sa_entry = to_ipsec_sa_entry(x); - if (!x->xso.offload_handle) + if (!sa_entry) return; - sa_entry = (struct mlx5e_ipsec_sa_entry *)x->xso.offload_handle; - WARN_ON(sa_entry->x != x); - if (x->xso.flags & XFRM_OFFLOAD_INBOUND) mlx5e_ipsec_sadb_rx_del(sa_entry); } static void mlx5e_xfrm_free_state(struct xfrm_state *x) { - struct mlx5e_ipsec_sa_entry *sa_entry; + struct mlx5e_ipsec_sa_entry *sa_entry = to_ipsec_sa_entry(x); - if (!x->xso.offload_handle) + if (!sa_entry) return; - sa_entry = (struct mlx5e_ipsec_sa_entry *)x->xso.offload_handle; - WARN_ON(sa_entry->x != x); - if (sa_entry->hw_context) { mlx5_accel_esp_free_hw_context(sa_entry->hw_context); mlx5_accel_esp_destroy_xfrm(sa_entry->xfrm); |