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net/mlx5e: Add a miss level for ipsec crypto offload

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The cited commit adds a miss table for switchdev mode. But it
uses the same level as policy table. Will hit the following error
when running command:

 # ip xfrm state add src 192.168.1.22 dst 192.168.1.21 proto	\
	esp spi 1001 reqid 10001 aead 'rfc4106(gcm(aes))'	\
	0x3a189a7f9374955d3817886c8587f1da3df387ff 128		\
	mode tunnel offload dev enp8s0f0 dir in
 Error: mlx5_core: Device failed to offload this state.

The dmesg error is:

 mlx5_core 0000:03:00.0: ipsec_miss_create:578:(pid 311797): fail to create IPsec miss_rule err=-22

Fix it by adding a new miss level to avoid the error.

Fixes: 7d9e292ecd ("net/mlx5e: Move IPSec policy check after decryption")
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Chris Mi <cmi@nvidia.com>
Signed-off-by: Lama Kayal <lkayal@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1757939074-617281-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Lama Kayal 2025-09-15 15:24:34 +03:00 committed by Jakub Kicinski
parent 6b4be64fd9
commit 7601a0a462
4 changed files with 6 additions and 3 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
View file

@ -92,6 +92,7 @@ enum {
MLX5E_ACCEL_FS_ESP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL,
MLX5E_ACCEL_FS_POL_FT_LEVEL,
MLX5E_ACCEL_FS_POL_MISS_FT_LEVEL,
MLX5E_ACCEL_FS_ESP_FT_ROCE_LEVEL,
#endif
};

1
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
View file

@ -185,6 +185,7 @@ struct mlx5e_ipsec_rx_create_attr {
u32 family;
int prio;
int pol_level;
int pol_miss_level;
int sa_level;
int status_level;
enum mlx5_flow_namespace_type chains_ns;

3
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
View file

@ -747,6 +747,7 @@ static void ipsec_rx_create_attr_set(struct mlx5e_ipsec *ipsec,
attr->family = family;
attr->prio = MLX5E_NIC_PRIO;
attr->pol_level = MLX5E_ACCEL_FS_POL_FT_LEVEL;
attr->pol_miss_level = MLX5E_ACCEL_FS_POL_MISS_FT_LEVEL;
attr->sa_level = MLX5E_ACCEL_FS_ESP_FT_LEVEL;
attr->status_level = MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL;
attr->chains_ns = MLX5_FLOW_NAMESPACE_KERNEL;
@ -833,7 +834,7 @@ static int ipsec_rx_chains_create_miss(struct mlx5e_ipsec *ipsec,
ft_attr.max_fte = 1;
ft_attr.autogroup.max_num_groups = 1;
ft_attr.level = attr->pol_level;
ft_attr.level = attr->pol_miss_level;
ft_attr.prio = attr->prio;
ft = mlx5_create_auto_grouped_flow_table(attr->ns, &ft_attr);

4
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
View file

@ -114,9 +114,9 @@
#define ETHTOOL_NUM_PRIOS 11
#define ETHTOOL_MIN_LEVEL (KERNEL_MIN_LEVEL + ETHTOOL_NUM_PRIOS)
/* Vlan, mac, ttc, inner ttc, {UDP/ANY/aRFS/accel/{esp, esp_err}}, IPsec policy,
* {IPsec RoCE MPV,Alias table},IPsec RoCE policy
* IPsec policy miss, {IPsec RoCE MPV,Alias table},IPsec RoCE policy
*/
#define KERNEL_NIC_PRIO_NUM_LEVELS 10
#define KERNEL_NIC_PRIO_NUM_LEVELS 11
#define KERNEL_NIC_NUM_PRIOS 1
/* One more level for tc, and one more for promisc */
#define KERNEL_MIN_LEVEL (KERNEL_NIC_PRIO_NUM_LEVELS + 2)