forked from Minki/linux
net/mlx5: Refactor ingress acl configuration
Drop, untagged, spoof check and untagged spoof check flow groups are limited to legacy mode only. Therefore, following refactoring is done to (a) improve code readability (b) have better code split between legacy and offloads mode 1. Move legacy flow groups under legacy structure 2. Add validity check for group deletion 3. Restrict scope of esw_vport_disable_ingress_acl to legacy mode 4. Rename esw_vport_enable_ingress_acl() to esw_vport_create_ingress_acl_table() and limit its scope to table creation 5. Introduce legacy flow groups creation helper esw_legacy_create_ingress_acl_groups() and keep its scope to legacy mode 6. Reduce offloads ingress groups from 4 to just 1 metadata group per vport 7. Removed redundant IS_ERR_OR_NULL as entries are marked NULL on free. 8. Shortern error message to remove redundant 'E-switch' Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Parav Pandit
Saeed Mahameed
parent
a962d7a61e
commit
10652f3994
@ -1070,57 +1070,21 @@ void esw_vport_disable_egress_acl(struct mlx5_eswitch *esw,
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vport->egress.acl = NULL;
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}
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int esw_vport_enable_ingress_acl(struct mlx5_eswitch *esw,
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struct mlx5_vport *vport)
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static int
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esw_vport_create_legacy_ingress_acl_groups(struct mlx5_eswitch *esw,
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struct mlx5_vport *vport)
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{
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int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
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struct mlx5_core_dev *dev = esw->dev;
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struct mlx5_flow_namespace *root_ns;
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struct mlx5_flow_table *acl;
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struct mlx5_flow_group *g;
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void *match_criteria;
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u32 *flow_group_in;
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/* The ingress acl table contains 4 groups
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* (2 active rules at the same time -
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* 1 allow rule from one of the first 3 groups.
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* 1 drop rule from the last group):
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* 1)Allow untagged traffic with smac=original mac.
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* 2)Allow untagged traffic.
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* 3)Allow traffic with smac=original mac.
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* 4)Drop all other traffic.
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*/
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int table_size = 4;
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int err = 0;
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if (!MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support))
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return -EOPNOTSUPP;
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if (!IS_ERR_OR_NULL(vport->ingress.acl))
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return 0;
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esw_debug(dev, "Create vport[%d] ingress ACL log_max_size(%d)\n",
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vport->vport, MLX5_CAP_ESW_INGRESS_ACL(dev, log_max_ft_size));
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root_ns = mlx5_get_flow_vport_acl_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS,
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mlx5_eswitch_vport_num_to_index(esw, vport->vport));
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if (!root_ns) {
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esw_warn(dev, "Failed to get E-Switch ingress flow namespace for vport (%d)\n", vport->vport);
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return -EOPNOTSUPP;
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}
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int err;
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flow_group_in = kvzalloc(inlen, GFP_KERNEL);
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if (!flow_group_in)
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return -ENOMEM;
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acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
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if (IS_ERR(acl)) {
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err = PTR_ERR(acl);
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esw_warn(dev, "Failed to create E-Switch vport[%d] ingress flow Table, err(%d)\n",
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vport->vport, err);
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goto out;
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}
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vport->ingress.acl = acl;
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match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
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MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
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@ -1130,14 +1094,14 @@ int esw_vport_enable_ingress_acl(struct mlx5_eswitch *esw,
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MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
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MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
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g = mlx5_create_flow_group(acl, flow_group_in);
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g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
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if (IS_ERR(g)) {
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err = PTR_ERR(g);
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esw_warn(dev, "Failed to create E-Switch vport[%d] ingress untagged spoofchk flow group, err(%d)\n",
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esw_warn(dev, "vport[%d] ingress create untagged spoofchk flow group, err(%d)\n",
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vport->vport, err);
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goto out;
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goto spoof_err;
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}
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vport->ingress.allow_untagged_spoofchk_grp = g;
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vport->ingress.legacy.allow_untagged_spoofchk_grp = g;
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memset(flow_group_in, 0, inlen);
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MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
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@ -1145,14 +1109,14 @@ int esw_vport_enable_ingress_acl(struct mlx5_eswitch *esw,
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MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
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MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
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g = mlx5_create_flow_group(acl, flow_group_in);
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g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
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if (IS_ERR(g)) {
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err = PTR_ERR(g);
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esw_warn(dev, "Failed to create E-Switch vport[%d] ingress untagged flow group, err(%d)\n",
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esw_warn(dev, "vport[%d] ingress create untagged flow group, err(%d)\n",
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vport->vport, err);
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goto out;
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goto untagged_err;
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}
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vport->ingress.allow_untagged_only_grp = g;
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vport->ingress.legacy.allow_untagged_only_grp = g;
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memset(flow_group_in, 0, inlen);
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MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
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@ -1161,80 +1125,134 @@ int esw_vport_enable_ingress_acl(struct mlx5_eswitch *esw,
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MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 2);
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MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 2);
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g = mlx5_create_flow_group(acl, flow_group_in);
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g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
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if (IS_ERR(g)) {
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err = PTR_ERR(g);
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esw_warn(dev, "Failed to create E-Switch vport[%d] ingress spoofchk flow group, err(%d)\n",
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esw_warn(dev, "vport[%d] ingress create spoofchk flow group, err(%d)\n",
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vport->vport, err);
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goto out;
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goto allow_spoof_err;
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}
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vport->ingress.allow_spoofchk_only_grp = g;
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vport->ingress.legacy.allow_spoofchk_only_grp = g;
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memset(flow_group_in, 0, inlen);
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MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 3);
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MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 3);
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g = mlx5_create_flow_group(acl, flow_group_in);
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g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
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if (IS_ERR(g)) {
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err = PTR_ERR(g);
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esw_warn(dev, "Failed to create E-Switch vport[%d] ingress drop flow group, err(%d)\n",
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esw_warn(dev, "vport[%d] ingress create drop flow group, err(%d)\n",
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vport->vport, err);
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goto out;
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goto drop_err;
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}
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vport->ingress.drop_grp = g;
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vport->ingress.legacy.drop_grp = g;
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kvfree(flow_group_in);
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return 0;
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out:
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if (err) {
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if (!IS_ERR_OR_NULL(vport->ingress.allow_spoofchk_only_grp))
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mlx5_destroy_flow_group(
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vport->ingress.allow_spoofchk_only_grp);
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if (!IS_ERR_OR_NULL(vport->ingress.allow_untagged_only_grp))
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mlx5_destroy_flow_group(
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vport->ingress.allow_untagged_only_grp);
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if (!IS_ERR_OR_NULL(vport->ingress.allow_untagged_spoofchk_grp))
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mlx5_destroy_flow_group(
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vport->ingress.allow_untagged_spoofchk_grp);
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if (!IS_ERR_OR_NULL(vport->ingress.acl))
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mlx5_destroy_flow_table(vport->ingress.acl);
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drop_err:
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if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_spoofchk_only_grp)) {
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mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp);
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vport->ingress.legacy.allow_spoofchk_only_grp = NULL;
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}
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allow_spoof_err:
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if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_only_grp)) {
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mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp);
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vport->ingress.legacy.allow_untagged_only_grp = NULL;
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}
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untagged_err:
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if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_spoofchk_grp)) {
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mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp);
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vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL;
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}
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spoof_err:
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kvfree(flow_group_in);
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return err;
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}
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int esw_vport_create_ingress_acl_table(struct mlx5_eswitch *esw,
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struct mlx5_vport *vport, int table_size)
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{
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struct mlx5_core_dev *dev = esw->dev;
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struct mlx5_flow_namespace *root_ns;
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struct mlx5_flow_table *acl;
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int vport_index;
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int err;
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if (!MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support))
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return -EOPNOTSUPP;
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esw_debug(dev, "Create vport[%d] ingress ACL log_max_size(%d)\n",
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vport->vport, MLX5_CAP_ESW_INGRESS_ACL(dev, log_max_ft_size));
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vport_index = mlx5_eswitch_vport_num_to_index(esw, vport->vport);
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root_ns = mlx5_get_flow_vport_acl_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS,
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vport_index);
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if (!root_ns) {
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esw_warn(dev, "Failed to get E-Switch ingress flow namespace for vport (%d)\n",
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vport->vport);
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return -EOPNOTSUPP;
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}
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acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
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if (IS_ERR(acl)) {
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err = PTR_ERR(acl);
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esw_warn(dev, "vport[%d] ingress create flow Table, err(%d)\n",
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vport->vport, err);
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return err;
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}
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vport->ingress.acl = acl;
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return 0;
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}
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void esw_vport_destroy_ingress_acl_table(struct mlx5_vport *vport)
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{
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if (!vport->ingress.acl)
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return;
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mlx5_destroy_flow_table(vport->ingress.acl);
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vport->ingress.acl = NULL;
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}
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void esw_vport_cleanup_ingress_rules(struct mlx5_eswitch *esw,
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struct mlx5_vport *vport)
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{
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if (!IS_ERR_OR_NULL(vport->ingress.legacy.drop_rule)) {
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if (vport->ingress.legacy.drop_rule) {
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mlx5_del_flow_rules(vport->ingress.legacy.drop_rule);
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vport->ingress.legacy.drop_rule = NULL;
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}
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if (!IS_ERR_OR_NULL(vport->ingress.allow_rule)) {
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if (vport->ingress.allow_rule) {
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mlx5_del_flow_rules(vport->ingress.allow_rule);
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vport->ingress.allow_rule = NULL;
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}
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}
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void esw_vport_disable_ingress_acl(struct mlx5_eswitch *esw,
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struct mlx5_vport *vport)
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static void esw_vport_disable_legacy_ingress_acl(struct mlx5_eswitch *esw,
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struct mlx5_vport *vport)
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{
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if (IS_ERR_OR_NULL(vport->ingress.acl))
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if (!vport->ingress.acl)
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return;
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esw_debug(esw->dev, "Destroy vport[%d] E-Switch ingress ACL\n", vport->vport);
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esw_vport_cleanup_ingress_rules(esw, vport);
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mlx5_destroy_flow_group(vport->ingress.allow_spoofchk_only_grp);
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mlx5_destroy_flow_group(vport->ingress.allow_untagged_only_grp);
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mlx5_destroy_flow_group(vport->ingress.allow_untagged_spoofchk_grp);
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mlx5_destroy_flow_group(vport->ingress.drop_grp);
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mlx5_destroy_flow_table(vport->ingress.acl);
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vport->ingress.acl = NULL;
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vport->ingress.drop_grp = NULL;
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vport->ingress.allow_spoofchk_only_grp = NULL;
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vport->ingress.allow_untagged_only_grp = NULL;
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vport->ingress.allow_untagged_spoofchk_grp = NULL;
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if (vport->ingress.legacy.allow_spoofchk_only_grp) {
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mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp);
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vport->ingress.legacy.allow_spoofchk_only_grp = NULL;
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}
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if (vport->ingress.legacy.allow_untagged_only_grp) {
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mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp);
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vport->ingress.legacy.allow_untagged_only_grp = NULL;
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}
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if (vport->ingress.legacy.allow_untagged_spoofchk_grp) {
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mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp);
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vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL;
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}
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if (vport->ingress.legacy.drop_grp) {
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mlx5_destroy_flow_group(vport->ingress.legacy.drop_grp);
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vport->ingress.legacy.drop_grp = NULL;
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}
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esw_vport_destroy_ingress_acl_table(vport);
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}
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static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
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@ -1249,19 +1267,36 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
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int err = 0;
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u8 *smac_v;
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/* The ingress acl table contains 4 groups
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* (2 active rules at the same time -
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* 1 allow rule from one of the first 3 groups.
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* 1 drop rule from the last group):
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* 1)Allow untagged traffic with smac=original mac.
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* 2)Allow untagged traffic.
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* 3)Allow traffic with smac=original mac.
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* 4)Drop all other traffic.
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*/
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int table_size = 4;
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esw_vport_cleanup_ingress_rules(esw, vport);
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if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) {
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esw_vport_disable_ingress_acl(esw, vport);
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esw_vport_disable_legacy_ingress_acl(esw, vport);
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return 0;
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}
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err = esw_vport_enable_ingress_acl(esw, vport);
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if (err) {
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mlx5_core_warn(esw->dev,
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"failed to enable ingress acl (%d) on vport[%d]\n",
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err, vport->vport);
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return err;
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if (!vport->ingress.acl) {
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err = esw_vport_create_ingress_acl_table(esw, vport, table_size);
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if (err) {
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esw_warn(esw->dev,
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"vport[%d] enable ingress acl err (%d)\n",
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err, vport->vport);
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return err;
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}
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err = esw_vport_create_legacy_ingress_acl_groups(esw, vport);
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if (err)
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goto out;
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}
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esw_debug(esw->dev,
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@ -1322,10 +1357,11 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
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vport->ingress.legacy.drop_rule = NULL;
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goto out;
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}
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kvfree(spec);
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return 0;
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out:
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if (err)
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esw_vport_cleanup_ingress_rules(esw, vport);
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esw_vport_disable_legacy_ingress_acl(esw, vport);
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kvfree(spec);
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return err;
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}
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@ -1705,7 +1741,7 @@ static int esw_vport_create_legacy_acl_tables(struct mlx5_eswitch *esw,
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return 0;
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egress_err:
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esw_vport_disable_ingress_acl(esw, vport);
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esw_vport_disable_legacy_ingress_acl(esw, vport);
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mlx5_fc_destroy(esw->dev, vport->egress.legacy.drop_counter);
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vport->egress.legacy.drop_counter = NULL;
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@ -1735,7 +1771,7 @@ static void esw_vport_destroy_legacy_acl_tables(struct mlx5_eswitch *esw,
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mlx5_fc_destroy(esw->dev, vport->egress.legacy.drop_counter);
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vport->egress.legacy.drop_counter = NULL;
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esw_vport_disable_ingress_acl(esw, vport);
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esw_vport_disable_legacy_ingress_acl(esw, vport);
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mlx5_fc_destroy(esw->dev, vport->ingress.legacy.drop_counter);
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vport->ingress.legacy.drop_counter = NULL;
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}
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@ -65,16 +65,17 @@
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struct vport_ingress {
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struct mlx5_flow_table *acl;
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struct mlx5_flow_group *allow_untagged_spoofchk_grp;
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struct mlx5_flow_group *allow_spoofchk_only_grp;
|
||||
struct mlx5_flow_group *allow_untagged_only_grp;
|
||||
struct mlx5_flow_group *drop_grp;
|
||||
struct mlx5_flow_handle *allow_rule;
|
||||
struct mlx5_flow_handle *allow_rule;
|
||||
struct {
|
||||
struct mlx5_flow_group *allow_spoofchk_only_grp;
|
||||
struct mlx5_flow_group *allow_untagged_spoofchk_grp;
|
||||
struct mlx5_flow_group *allow_untagged_only_grp;
|
||||
struct mlx5_flow_group *drop_grp;
|
||||
struct mlx5_flow_handle *drop_rule;
|
||||
struct mlx5_fc *drop_counter;
|
||||
} legacy;
|
||||
struct {
|
||||
struct mlx5_flow_group *metadata_grp;
|
||||
struct mlx5_modify_hdr *modify_metadata;
|
||||
struct mlx5_flow_handle *modify_metadata_rule;
|
||||
} offloads;
|
||||
@ -257,16 +258,16 @@ void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw);
|
||||
int esw_offloads_init_reps(struct mlx5_eswitch *esw);
|
||||
void esw_vport_cleanup_ingress_rules(struct mlx5_eswitch *esw,
|
||||
struct mlx5_vport *vport);
|
||||
int esw_vport_enable_ingress_acl(struct mlx5_eswitch *esw,
|
||||
struct mlx5_vport *vport);
|
||||
int esw_vport_create_ingress_acl_table(struct mlx5_eswitch *esw,
|
||||
struct mlx5_vport *vport,
|
||||
int table_size);
|
||||
void esw_vport_destroy_ingress_acl_table(struct mlx5_vport *vport);
|
||||
void esw_vport_cleanup_egress_rules(struct mlx5_eswitch *esw,
|
||||
struct mlx5_vport *vport);
|
||||
int esw_vport_enable_egress_acl(struct mlx5_eswitch *esw,
|
||||
struct mlx5_vport *vport);
|
||||
void esw_vport_disable_egress_acl(struct mlx5_eswitch *esw,
|
||||
struct mlx5_vport *vport);
|
||||
void esw_vport_disable_ingress_acl(struct mlx5_eswitch *esw,
|
||||
struct mlx5_vport *vport);
|
||||
int mlx5_esw_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num,
|
||||
u32 rate_mbps);
|
||||
|
||||
|
||||
@ -1858,6 +1858,44 @@ static void esw_vport_del_ingress_acl_modify_metadata(struct mlx5_eswitch *esw,
|
||||
}
|
||||
}
|
||||
|
||||
static int esw_vport_create_ingress_acl_group(struct mlx5_eswitch *esw,
|
||||
struct mlx5_vport *vport)
|
||||
{
|
||||
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
|
||||
struct mlx5_flow_group *g;
|
||||
u32 *flow_group_in;
|
||||
int ret = 0;
|
||||
|
||||
flow_group_in = kvzalloc(inlen, GFP_KERNEL);
|
||||
if (!flow_group_in)
|
||||
return -ENOMEM;
|
||||
|
||||
memset(flow_group_in, 0, inlen);
|
||||
MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
|
||||
MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
|
||||
|
||||
g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
|
||||
if (IS_ERR(g)) {
|
||||
ret = PTR_ERR(g);
|
||||
esw_warn(esw->dev,
|
||||
"Failed to create vport[%d] ingress metdata group, err(%d)\n",
|
||||
vport->vport, ret);
|
||||
goto grp_err;
|
||||
}
|
||||
vport->ingress.offloads.metadata_grp = g;
|
||||
grp_err:
|
||||
kvfree(flow_group_in);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void esw_vport_destroy_ingress_acl_group(struct mlx5_vport *vport)
|
||||
{
|
||||
if (vport->ingress.offloads.metadata_grp) {
|
||||
mlx5_destroy_flow_group(vport->ingress.offloads.metadata_grp);
|
||||
vport->ingress.offloads.metadata_grp = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
|
||||
struct mlx5_vport *vport)
|
||||
{
|
||||
@ -1868,8 +1906,7 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
|
||||
return 0;
|
||||
|
||||
esw_vport_cleanup_ingress_rules(esw, vport);
|
||||
|
||||
err = esw_vport_enable_ingress_acl(esw, vport);
|
||||
err = esw_vport_create_ingress_acl_table(esw, vport, 1);
|
||||
if (err) {
|
||||
esw_warn(esw->dev,
|
||||
"failed to enable ingress acl (%d) on vport[%d]\n",
|
||||
@ -1877,25 +1914,34 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
|
||||
return err;
|
||||
}
|
||||
|
||||
err = esw_vport_create_ingress_acl_group(esw, vport);
|
||||
if (err)
|
||||
goto group_err;
|
||||
|
||||
esw_debug(esw->dev,
|
||||
"vport[%d] configure ingress rules\n", vport->vport);
|
||||
|
||||
if (mlx5_eswitch_vport_match_metadata_enabled(esw)) {
|
||||
err = esw_vport_add_ingress_acl_modify_metadata(esw, vport);
|
||||
if (err)
|
||||
goto out;
|
||||
goto metadata_err;
|
||||
}
|
||||
|
||||
if (MLX5_CAP_GEN(esw->dev, prio_tag_required) &&
|
||||
mlx5_eswitch_is_vf_vport(esw, vport->vport)) {
|
||||
err = esw_vport_ingress_prio_tag_config(esw, vport);
|
||||
if (err)
|
||||
goto out;
|
||||
goto prio_tag_err;
|
||||
}
|
||||
return 0;
|
||||
|
||||
out:
|
||||
if (err)
|
||||
esw_vport_disable_ingress_acl(esw, vport);
|
||||
prio_tag_err:
|
||||
esw_vport_del_ingress_acl_modify_metadata(esw, vport);
|
||||
metadata_err:
|
||||
esw_vport_cleanup_ingress_rules(esw, vport);
|
||||
esw_vport_destroy_ingress_acl_group(vport);
|
||||
group_err:
|
||||
esw_vport_destroy_ingress_acl_table(vport);
|
||||
return err;
|
||||
}
|
||||
|
||||
@ -1964,7 +2010,8 @@ esw_vport_create_offloads_acl_tables(struct mlx5_eswitch *esw,
|
||||
err = esw_vport_egress_config(esw, vport);
|
||||
if (err) {
|
||||
esw_vport_del_ingress_acl_modify_metadata(esw, vport);
|
||||
esw_vport_disable_ingress_acl(esw, vport);
|
||||
esw_vport_cleanup_ingress_rules(esw, vport);
|
||||
esw_vport_destroy_ingress_acl_table(vport);
|
||||
}
|
||||
}
|
||||
return err;
|
||||
@ -1976,7 +2023,9 @@ esw_vport_destroy_offloads_acl_tables(struct mlx5_eswitch *esw,
|
||||
{
|
||||
esw_vport_disable_egress_acl(esw, vport);
|
||||
esw_vport_del_ingress_acl_modify_metadata(esw, vport);
|
||||
esw_vport_disable_ingress_acl(esw, vport);
|
||||
esw_vport_cleanup_ingress_rules(esw, vport);
|
||||
esw_vport_destroy_ingress_acl_group(vport);
|
||||
esw_vport_destroy_ingress_acl_table(vport);
|
||||
}
|
||||
|
||||
static int esw_create_uplink_offloads_acl_tables(struct mlx5_eswitch *esw)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user