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net/mlx5e: Generalize creation of default IPsec miss group and rule

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Create general function that sets miss group and rule to forward all
not-matched traffic to the next table.

Reviewed-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Leon Romanovsky 2022-12-02 22:10:37 +02:00 committed by Steffen Klassert
parent d7ec2b7602
commit a8e052932a
1 changed files with 23 additions and 24 deletions
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47
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
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@ -24,7 +24,6 @@ struct mlx5e_ipsec_miss {
struct mlx5e_ipsec_rx {
struct mlx5e_ipsec_ft ft;
struct mlx5e_ipsec_miss sa;
struct mlx5_flow_destination default_dest;
struct mlx5e_ipsec_rule status;
};
@ -57,7 +56,8 @@ static struct mlx5_flow_table *ipsec_ft_create(struct mlx5_flow_namespace *ns,
}
static int ipsec_status_rule(struct mlx5_core_dev *mdev,
struct mlx5e_ipsec_rx *rx)
struct mlx5e_ipsec_rx *rx,
struct mlx5_flow_destination *dest)
{
u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {};
struct mlx5_flow_act flow_act = {};
@ -92,8 +92,7 @@ static int ipsec_status_rule(struct mlx5_core_dev *mdev,
flow_act.action = MLX5_FLOW_CONTEXT_ACTION_MOD_HDR |
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
flow_act.modify_hdr = modify_hdr;
fte = mlx5_add_flow_rules(rx->ft.status, spec, &flow_act,
&rx->default_dest, 1);
fte = mlx5_add_flow_rules(rx->ft.status, spec, &flow_act, dest, 1);
if (IS_ERR(fte)) {
err = PTR_ERR(fte);
mlx5_core_err(mdev, "fail to add ipsec rx err copy rule err=%d\n", err);
@ -112,12 +111,12 @@ out_spec:
return err;
}
static int rx_fs_create(struct mlx5_core_dev *mdev, struct mlx5e_ipsec_rx *rx)
static int ipsec_miss_create(struct mlx5_core_dev *mdev,
struct mlx5_flow_table *ft,
struct mlx5e_ipsec_miss *miss,
struct mlx5_flow_destination *dest)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_table *ft = rx->ft.sa;
struct mlx5_flow_group *miss_group;
struct mlx5_flow_handle *miss_rule;
MLX5_DECLARE_FLOW_ACT(flow_act);
struct mlx5_flow_spec *spec;
u32 *flow_group_in;
@ -133,24 +132,23 @@ static int rx_fs_create(struct mlx5_core_dev *mdev, struct mlx5e_ipsec_rx *rx)
/* Create miss_group */
MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ft->max_fte - 1);
MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, ft->max_fte - 1);
miss_group = mlx5_create_flow_group(ft, flow_group_in);
if (IS_ERR(miss_group)) {
err = PTR_ERR(miss_group);
mlx5_core_err(mdev, "fail to create ipsec rx miss_group err=%d\n", err);
miss->group = mlx5_create_flow_group(ft, flow_group_in);
if (IS_ERR(miss->group)) {
err = PTR_ERR(miss->group);
mlx5_core_err(mdev, "fail to create IPsec miss_group err=%d\n",
err);
goto out;
}
rx->sa.group = miss_group;
/* Create miss rule */
miss_rule =
mlx5_add_flow_rules(ft, spec, &flow_act, &rx->default_dest, 1);
if (IS_ERR(miss_rule)) {
mlx5_destroy_flow_group(rx->sa.group);
err = PTR_ERR(miss_rule);
mlx5_core_err(mdev, "fail to create ipsec rx miss_rule err=%d\n", err);
miss->rule = mlx5_add_flow_rules(ft, spec, &flow_act, dest, 1);
if (IS_ERR(miss->rule)) {
mlx5_destroy_flow_group(miss->group);
err = PTR_ERR(miss->rule);
mlx5_core_err(mdev, "fail to create IPsec miss_rule err=%d\n",
err);
goto out;
}
rx->sa.rule = miss_rule;
out:
kvfree(flow_group_in);
kvfree(spec);
@ -173,18 +171,19 @@ static int rx_create(struct mlx5_core_dev *mdev, struct mlx5e_ipsec *ipsec,
{
struct mlx5_flow_namespace *ns = mlx5e_fs_get_ns(ipsec->fs, false);
struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(ipsec->fs, false);
struct mlx5_flow_destination dest;
struct mlx5_flow_table *ft;
int err;
rx->default_dest = mlx5_ttc_get_default_dest(ttc, family2tt(family));
ft = ipsec_ft_create(ns, MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL,
MLX5E_NIC_PRIO, 1);
if (IS_ERR(ft))
return PTR_ERR(ft);
rx->ft.status = ft;
err = ipsec_status_rule(mdev, rx);
dest = mlx5_ttc_get_default_dest(ttc, family2tt(family));
err = ipsec_status_rule(mdev, rx, &dest);
if (err)
goto err_add;
@ -197,7 +196,7 @@ static int rx_create(struct mlx5_core_dev *mdev, struct mlx5e_ipsec *ipsec,
}
rx->ft.sa = ft;
err = rx_fs_create(mdev, rx);
err = ipsec_miss_create(mdev, rx->ft.sa, &rx->sa, &dest);
if (err)
goto err_fs;