mlx5_core-$(CONFIG_MLX5_ESWITCH) += eswitch.o eswitch_offloads.o eswitch_offloads_termtbl.o \
ecpf.o rdma.o
mlx5_core-$(CONFIG_MLX5_ESWITCH) += esw/acl/helper.o \
- esw/acl/egress_lgcy.o esw/acl/egress_ofld.o
+ esw/acl/egress_lgcy.o esw/acl/egress_ofld.o \
+ esw/acl/ingress_lgcy.o esw/acl/ingress_ofld.o
mlx5_core-$(CONFIG_MLX5_MPFS) += lib/mpfs.o
mlx5_core-$(CONFIG_VXLAN) += lib/vxlan.o
mlx5_destroy_flow_table(vport->egress.acl);
vport->egress.acl = NULL;
}
+
+void esw_acl_ingress_table_destroy(struct mlx5_vport *vport)
+{
+ if (!vport->ingress.acl)
+ return;
+
+ mlx5_destroy_flow_table(vport->ingress.acl);
+ vport->ingress.acl = NULL;
+}
+
+void esw_acl_ingress_allow_rule_destroy(struct mlx5_vport *vport)
+{
+ if (!vport->ingress.allow_rule)
+ return;
+
+ mlx5_del_flow_rules(vport->ingress.allow_rule);
+ vport->ingress.allow_rule = NULL;
+}
int esw_acl_egress_vlan_grp_create(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
void esw_acl_egress_vlan_grp_destroy(struct mlx5_vport *vport);
+/* Ingress acl helper functions */
+void esw_acl_ingress_table_destroy(struct mlx5_vport *vport);
+void esw_acl_ingress_allow_rule_destroy(struct mlx5_vport *vport);
+
#endif /* __MLX5_ESWITCH_ACL_HELPER_H__ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#include "mlx5_core.h"
+#include "eswitch.h"
+#include "helper.h"
+#include "lgcy.h"
+
+static void esw_acl_ingress_lgcy_rules_destroy(struct mlx5_vport *vport)
+{
+ if (vport->ingress.legacy.drop_rule) {
+ mlx5_del_flow_rules(vport->ingress.legacy.drop_rule);
+ vport->ingress.legacy.drop_rule = NULL;
+ }
+ esw_acl_ingress_allow_rule_destroy(vport);
+}
+
+static int esw_acl_ingress_lgcy_groups_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+ struct mlx5_core_dev *dev = esw->dev;
+ struct mlx5_flow_group *g;
+ void *match_criteria;
+ u32 *flow_group_in;
+ int err;
+
+ flow_group_in = kvzalloc(inlen, GFP_KERNEL);
+ if (!flow_group_in)
+ return -ENOMEM;
+
+ match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
+
+ MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
+ MLX5_MATCH_OUTER_HEADERS);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
+ 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)) {
+ err = PTR_ERR(g);
+ esw_warn(dev, "vport[%d] ingress create untagged spoofchk flow group, err(%d)\n",
+ vport->vport, err);
+ goto spoof_err;
+ }
+ vport->ingress.legacy.allow_untagged_spoofchk_grp = g;
+
+ memset(flow_group_in, 0, inlen);
+ MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
+ MLX5_MATCH_OUTER_HEADERS);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ err = PTR_ERR(g);
+ esw_warn(dev, "vport[%d] ingress create untagged flow group, err(%d)\n",
+ vport->vport, err);
+ goto untagged_err;
+ }
+ vport->ingress.legacy.allow_untagged_only_grp = g;
+
+ memset(flow_group_in, 0, inlen);
+ MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
+ MLX5_MATCH_OUTER_HEADERS);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 2);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 2);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ err = PTR_ERR(g);
+ esw_warn(dev, "vport[%d] ingress create spoofchk flow group, err(%d)\n",
+ vport->vport, err);
+ goto allow_spoof_err;
+ }
+ vport->ingress.legacy.allow_spoofchk_only_grp = g;
+
+ memset(flow_group_in, 0, inlen);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 3);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 3);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ err = PTR_ERR(g);
+ esw_warn(dev, "vport[%d] ingress create drop flow group, err(%d)\n",
+ vport->vport, err);
+ goto drop_err;
+ }
+ vport->ingress.legacy.drop_grp = g;
+ kvfree(flow_group_in);
+ return 0;
+
+drop_err:
+ if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_spoofchk_only_grp)) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp);
+ vport->ingress.legacy.allow_spoofchk_only_grp = NULL;
+ }
+allow_spoof_err:
+ if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_only_grp)) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp);
+ vport->ingress.legacy.allow_untagged_only_grp = NULL;
+ }
+untagged_err:
+ if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_spoofchk_grp)) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp);
+ vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL;
+ }
+spoof_err:
+ kvfree(flow_group_in);
+ return err;
+}
+
+static void esw_acl_ingress_lgcy_groups_destroy(struct mlx5_vport *vport)
+{
+ if (vport->ingress.legacy.allow_spoofchk_only_grp) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp);
+ vport->ingress.legacy.allow_spoofchk_only_grp = NULL;
+ }
+ if (vport->ingress.legacy.allow_untagged_only_grp) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp);
+ vport->ingress.legacy.allow_untagged_only_grp = NULL;
+ }
+ if (vport->ingress.legacy.allow_untagged_spoofchk_grp) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp);
+ vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL;
+ }
+ if (vport->ingress.legacy.drop_grp) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.drop_grp);
+ vport->ingress.legacy.drop_grp = NULL;
+ }
+}
+
+int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ struct mlx5_flow_destination drop_ctr_dst = {};
+ struct mlx5_flow_destination *dst = NULL;
+ struct mlx5_flow_act flow_act = {};
+ struct mlx5_flow_spec *spec = NULL;
+ struct mlx5_fc *counter = NULL;
+ /* The ingress acl table contains 4 groups
+ * (2 active rules at the same time -
+ * 1 allow rule from one of the first 3 groups.
+ * 1 drop rule from the last group):
+ * 1)Allow untagged traffic with smac=original mac.
+ * 2)Allow untagged traffic.
+ * 3)Allow traffic with smac=original mac.
+ * 4)Drop all other traffic.
+ */
+ int table_size = 4;
+ int dest_num = 0;
+ int err = 0;
+ u8 *smac_v;
+
+ esw_acl_ingress_lgcy_rules_destroy(vport);
+
+ if (MLX5_CAP_ESW_INGRESS_ACL(esw->dev, flow_counter)) {
+ counter = mlx5_fc_create(esw->dev, false);
+ if (IS_ERR(counter))
+ esw_warn(esw->dev,
+ "vport[%d] configure ingress drop rule counter failed\n",
+ vport->vport);
+ vport->ingress.legacy.drop_counter = counter;
+ }
+
+ if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) {
+ esw_acl_ingress_lgcy_cleanup(esw, vport);
+ return 0;
+ }
+
+ if (!vport->ingress.acl) {
+ vport->ingress.acl = esw_acl_table_create(esw, vport->vport,
+ MLX5_FLOW_NAMESPACE_ESW_INGRESS,
+ table_size);
+ if (IS_ERR_OR_NULL(vport->ingress.acl)) {
+ err = PTR_ERR(vport->ingress.acl);
+ vport->ingress.acl = NULL;
+ return err;
+ }
+
+ err = esw_acl_ingress_lgcy_groups_create(esw, vport);
+ if (err)
+ goto out;
+ }
+
+ esw_debug(esw->dev,
+ "vport[%d] configure ingress rules, vlan(%d) qos(%d)\n",
+ vport->vport, vport->info.vlan, vport->info.qos);
+
+ spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ if (vport->info.vlan || vport->info.qos)
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
+ outer_headers.cvlan_tag);
+
+ if (vport->info.spoofchk) {
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
+ outer_headers.smac_47_16);
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
+ outer_headers.smac_15_0);
+ smac_v = MLX5_ADDR_OF(fte_match_param,
+ spec->match_value,
+ outer_headers.smac_47_16);
+ ether_addr_copy(smac_v, vport->info.mac);
+ }
+
+ /* Create ingress allow rule */
+ memset(spec, 0, sizeof(*spec));
+ spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW;
+ vport->ingress.allow_rule = mlx5_add_flow_rules(vport->ingress.acl, spec,
+ &flow_act, NULL, 0);
+ if (IS_ERR(vport->ingress.allow_rule)) {
+ err = PTR_ERR(vport->ingress.allow_rule);
+ esw_warn(esw->dev,
+ "vport[%d] configure ingress allow rule, err(%d)\n",
+ vport->vport, err);
+ vport->ingress.allow_rule = NULL;
+ goto out;
+ }
+
+ memset(&flow_act, 0, sizeof(flow_act));
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
+ /* Attach drop flow counter */
+ if (counter) {
+ flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
+ drop_ctr_dst.counter_id = mlx5_fc_id(counter);
+ dst = &drop_ctr_dst;
+ dest_num++;
+ }
+ vport->ingress.legacy.drop_rule =
+ mlx5_add_flow_rules(vport->ingress.acl, NULL,
+ &flow_act, dst, dest_num);
+ if (IS_ERR(vport->ingress.legacy.drop_rule)) {
+ err = PTR_ERR(vport->ingress.legacy.drop_rule);
+ esw_warn(esw->dev,
+ "vport[%d] configure ingress drop rule, err(%d)\n",
+ vport->vport, err);
+ vport->ingress.legacy.drop_rule = NULL;
+ goto out;
+ }
+ kvfree(spec);
+ return 0;
+
+out:
+ esw_acl_ingress_lgcy_cleanup(esw, vport);
+ kvfree(spec);
+ return err;
+}
+
+void esw_acl_ingress_lgcy_cleanup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ if (IS_ERR_OR_NULL(vport->ingress.acl))
+ goto clean_drop_counter;
+
+ esw_debug(esw->dev, "Destroy vport[%d] E-Switch ingress ACL\n", vport->vport);
+
+ esw_acl_ingress_lgcy_rules_destroy(vport);
+ esw_acl_ingress_lgcy_groups_destroy(vport);
+ esw_acl_ingress_table_destroy(vport);
+
+clean_drop_counter:
+ if (!IS_ERR_OR_NULL(vport->ingress.legacy.drop_counter)) {
+ mlx5_fc_destroy(esw->dev, vport->ingress.legacy.drop_counter);
+ vport->ingress.legacy.drop_counter = NULL;
+ }
+}
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#include "mlx5_core.h"
+#include "eswitch.h"
+#include "helper.h"
+#include "ofld.h"
+
+static bool
+esw_acl_ingress_prio_tag_enabled(const struct mlx5_eswitch *esw,
+ const struct mlx5_vport *vport)
+{
+ return (MLX5_CAP_GEN(esw->dev, prio_tag_required) &&
+ mlx5_eswitch_is_vf_vport(esw, vport->vport));
+}
+
+static int esw_acl_ingress_prio_tag_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ struct mlx5_flow_act flow_act = {};
+ struct mlx5_flow_spec *spec;
+ int err = 0;
+
+ /* For prio tag mode, there is only 1 FTEs:
+ * 1) Untagged packets - push prio tag VLAN and modify metadata if
+ * required, allow
+ * Unmatched traffic is allowed by default
+ */
+ spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec)
+ return -ENOMEM;
+
+ /* Untagged packets - push prio tag VLAN, allow */
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
+ MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 0);
+ spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH |
+ MLX5_FLOW_CONTEXT_ACTION_ALLOW;
+ flow_act.vlan[0].ethtype = ETH_P_8021Q;
+ flow_act.vlan[0].vid = 0;
+ flow_act.vlan[0].prio = 0;
+
+ if (vport->ingress.offloads.modify_metadata_rule) {
+ flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
+ flow_act.modify_hdr = vport->ingress.offloads.modify_metadata;
+ }
+
+ vport->ingress.allow_rule = mlx5_add_flow_rules(vport->ingress.acl, spec,
+ &flow_act, NULL, 0);
+ if (IS_ERR(vport->ingress.allow_rule)) {
+ err = PTR_ERR(vport->ingress.allow_rule);
+ esw_warn(esw->dev,
+ "vport[%d] configure ingress untagged allow rule, err(%d)\n",
+ vport->vport, err);
+ vport->ingress.allow_rule = NULL;
+ }
+
+ kvfree(spec);
+ return err;
+}
+
+static int esw_acl_ingress_mod_metadata_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {};
+ struct mlx5_flow_act flow_act = {};
+ int err = 0;
+ u32 key;
+
+ key = mlx5_eswitch_get_vport_metadata_for_match(esw, vport->vport);
+ key >>= ESW_SOURCE_PORT_METADATA_OFFSET;
+
+ MLX5_SET(set_action_in, action, action_type, MLX5_ACTION_TYPE_SET);
+ MLX5_SET(set_action_in, action, field,
+ MLX5_ACTION_IN_FIELD_METADATA_REG_C_0);
+ MLX5_SET(set_action_in, action, data, key);
+ MLX5_SET(set_action_in, action, offset,
+ ESW_SOURCE_PORT_METADATA_OFFSET);
+ MLX5_SET(set_action_in, action, length,
+ ESW_SOURCE_PORT_METADATA_BITS);
+
+ vport->ingress.offloads.modify_metadata =
+ mlx5_modify_header_alloc(esw->dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS,
+ 1, action);
+ if (IS_ERR(vport->ingress.offloads.modify_metadata)) {
+ err = PTR_ERR(vport->ingress.offloads.modify_metadata);
+ esw_warn(esw->dev,
+ "failed to alloc modify header for vport %d ingress acl (%d)\n",
+ vport->vport, err);
+ return err;
+ }
+
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | MLX5_FLOW_CONTEXT_ACTION_ALLOW;
+ flow_act.modify_hdr = vport->ingress.offloads.modify_metadata;
+ vport->ingress.offloads.modify_metadata_rule =
+ mlx5_add_flow_rules(vport->ingress.acl,
+ NULL, &flow_act, NULL, 0);
+ if (IS_ERR(vport->ingress.offloads.modify_metadata_rule)) {
+ err = PTR_ERR(vport->ingress.offloads.modify_metadata_rule);
+ esw_warn(esw->dev,
+ "failed to add setting metadata rule for vport %d ingress acl, err(%d)\n",
+ vport->vport, err);
+ mlx5_modify_header_dealloc(esw->dev, vport->ingress.offloads.modify_metadata);
+ vport->ingress.offloads.modify_metadata_rule = NULL;
+ }
+ return err;
+}
+
+static void esw_acl_ingress_mod_metadata_destroy(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ if (!vport->ingress.offloads.modify_metadata_rule)
+ return;
+
+ mlx5_del_flow_rules(vport->ingress.offloads.modify_metadata_rule);
+ mlx5_modify_header_dealloc(esw->dev, vport->ingress.offloads.modify_metadata);
+ vport->ingress.offloads.modify_metadata_rule = NULL;
+}
+
+static int esw_acl_ingress_ofld_rules_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ int err;
+
+ if (mlx5_eswitch_vport_match_metadata_enabled(esw)) {
+ err = esw_acl_ingress_mod_metadata_create(esw, vport);
+ if (err) {
+ esw_warn(esw->dev,
+ "vport(%d) create ingress modify metadata, err(%d)\n",
+ vport->vport, err);
+ return err;
+ }
+ }
+
+ if (esw_acl_ingress_prio_tag_enabled(esw, vport)) {
+ err = esw_acl_ingress_prio_tag_create(esw, vport);
+ if (err) {
+ esw_warn(esw->dev,
+ "vport(%d) create ingress prio tag rule, err(%d)\n",
+ vport->vport, err);
+ goto prio_tag_err;
+ }
+ }
+
+ return 0;
+
+prio_tag_err:
+ esw_acl_ingress_mod_metadata_destroy(esw, vport);
+ return err;
+}
+
+static void esw_acl_ingress_ofld_rules_destroy(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ esw_acl_ingress_allow_rule_destroy(vport);
+ esw_acl_ingress_mod_metadata_destroy(esw, vport);
+}
+
+static int esw_acl_ingress_ofld_groups_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+ struct mlx5_flow_group *g;
+ void *match_criteria;
+ u32 *flow_group_in;
+ u32 flow_index = 0;
+ int ret = 0;
+
+ flow_group_in = kvzalloc(inlen, GFP_KERNEL);
+ if (!flow_group_in)
+ return -ENOMEM;
+
+ if (esw_acl_ingress_prio_tag_enabled(esw, vport)) {
+ /* This group is to hold FTE to match untagged packets when prio_tag
+ * is enabled.
+ */
+ match_criteria = MLX5_ADDR_OF(create_flow_group_in,
+ flow_group_in, match_criteria);
+ MLX5_SET(create_flow_group_in, flow_group_in,
+ match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ ret = PTR_ERR(g);
+ esw_warn(esw->dev, "vport[%d] ingress create untagged flow group, err(%d)\n",
+ vport->vport, ret);
+ goto prio_tag_err;
+ }
+ vport->ingress.offloads.metadata_prio_tag_grp = g;
+ flow_index++;
+ }
+
+ if (mlx5_eswitch_vport_match_metadata_enabled(esw)) {
+ /* This group holds an FTE with no match to add metadata for
+ * tagged packets if prio-tag is enabled, or for all untagged
+ * traffic in case prio-tag is disabled.
+ */
+ memset(flow_group_in, 0, inlen);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ ret = PTR_ERR(g);
+ esw_warn(esw->dev, "vport[%d] ingress create drop flow group, err(%d)\n",
+ vport->vport, ret);
+ goto metadata_err;
+ }
+ vport->ingress.offloads.metadata_allmatch_grp = g;
+ }
+
+ kvfree(flow_group_in);
+ return 0;
+
+metadata_err:
+ if (!IS_ERR_OR_NULL(vport->ingress.offloads.metadata_prio_tag_grp)) {
+ mlx5_destroy_flow_group(vport->ingress.offloads.metadata_prio_tag_grp);
+ vport->ingress.offloads.metadata_prio_tag_grp = NULL;
+ }
+prio_tag_err:
+ kvfree(flow_group_in);
+ return ret;
+}
+
+static void esw_acl_ingress_ofld_groups_destroy(struct mlx5_vport *vport)
+{
+ if (vport->ingress.offloads.metadata_allmatch_grp) {
+ mlx5_destroy_flow_group(vport->ingress.offloads.metadata_allmatch_grp);
+ vport->ingress.offloads.metadata_allmatch_grp = NULL;
+ }
+
+ if (vport->ingress.offloads.metadata_prio_tag_grp) {
+ mlx5_destroy_flow_group(vport->ingress.offloads.metadata_prio_tag_grp);
+ vport->ingress.offloads.metadata_prio_tag_grp = NULL;
+ }
+}
+
+int esw_acl_ingress_ofld_setup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ int num_ftes = 0;
+ int err;
+
+ if (!mlx5_eswitch_vport_match_metadata_enabled(esw) &&
+ !esw_acl_ingress_prio_tag_enabled(esw, vport))
+ return 0;
+
+ esw_acl_ingress_allow_rule_destroy(vport);
+
+ if (mlx5_eswitch_vport_match_metadata_enabled(esw))
+ num_ftes++;
+ if (esw_acl_ingress_prio_tag_enabled(esw, vport))
+ num_ftes++;
+
+ vport->ingress.acl = esw_acl_table_create(esw, vport->vport,
+ MLX5_FLOW_NAMESPACE_ESW_INGRESS,
+ num_ftes);
+ if (IS_ERR_OR_NULL(vport->ingress.acl)) {
+ err = PTR_ERR(vport->ingress.acl);
+ vport->ingress.acl = NULL;
+ return err;
+ }
+
+ err = esw_acl_ingress_ofld_groups_create(esw, vport);
+ if (err)
+ goto group_err;
+
+ esw_debug(esw->dev,
+ "vport[%d] configure ingress rules\n", vport->vport);
+
+ err = esw_acl_ingress_ofld_rules_create(esw, vport);
+ if (err)
+ goto rules_err;
+
+ return 0;
+
+rules_err:
+ esw_acl_ingress_ofld_groups_destroy(vport);
+group_err:
+ esw_acl_ingress_table_destroy(vport);
+ return err;
+}
+
+void esw_acl_ingress_ofld_cleanup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ esw_acl_ingress_ofld_rules_destroy(esw, vport);
+ esw_acl_ingress_ofld_groups_destroy(vport);
+ esw_acl_ingress_table_destroy(vport);
+}
int esw_acl_egress_lgcy_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
void esw_acl_egress_lgcy_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+/* Eswitch acl ingress external APIs */
+int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+void esw_acl_ingress_lgcy_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+
#endif /* __MLX5_ESWITCH_ACL_LGCY_H__ */
int esw_acl_egress_ofld_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
void esw_acl_egress_ofld_cleanup(struct mlx5_vport *vport);
+/* Eswitch acl ingress external APIs */
+int esw_acl_ingress_ofld_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+void esw_acl_ingress_ofld_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+
#endif /* __MLX5_ESWITCH_ACL_OFLD_H__ */
mutex_unlock(&esw->state_lock);
}
-static int
-esw_vport_create_legacy_ingress_acl_groups(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
- struct mlx5_core_dev *dev = esw->dev;
- struct mlx5_flow_group *g;
- void *match_criteria;
- u32 *flow_group_in;
- int err;
-
- flow_group_in = kvzalloc(inlen, GFP_KERNEL);
- if (!flow_group_in)
- return -ENOMEM;
-
- match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
-
- MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
- 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)) {
- err = PTR_ERR(g);
- esw_warn(dev, "vport[%d] ingress create untagged spoofchk flow group, err(%d)\n",
- vport->vport, err);
- goto spoof_err;
- }
- vport->ingress.legacy.allow_untagged_spoofchk_grp = g;
-
- memset(flow_group_in, 0, inlen);
- MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- err = PTR_ERR(g);
- esw_warn(dev, "vport[%d] ingress create untagged flow group, err(%d)\n",
- vport->vport, err);
- goto untagged_err;
- }
- vport->ingress.legacy.allow_untagged_only_grp = g;
-
- memset(flow_group_in, 0, inlen);
- MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 2);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 2);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- err = PTR_ERR(g);
- esw_warn(dev, "vport[%d] ingress create spoofchk flow group, err(%d)\n",
- vport->vport, err);
- goto allow_spoof_err;
- }
- vport->ingress.legacy.allow_spoofchk_only_grp = g;
-
- memset(flow_group_in, 0, inlen);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 3);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 3);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- err = PTR_ERR(g);
- esw_warn(dev, "vport[%d] ingress create drop flow group, err(%d)\n",
- vport->vport, err);
- goto drop_err;
- }
- vport->ingress.legacy.drop_grp = g;
- kvfree(flow_group_in);
- return 0;
-
-drop_err:
- if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_spoofchk_only_grp)) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp);
- vport->ingress.legacy.allow_spoofchk_only_grp = NULL;
- }
-allow_spoof_err:
- if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_only_grp)) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp);
- vport->ingress.legacy.allow_untagged_only_grp = NULL;
- }
-untagged_err:
- if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_spoofchk_grp)) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp);
- vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL;
- }
-spoof_err:
- kvfree(flow_group_in);
- return err;
-}
-
-int esw_vport_create_ingress_acl_table(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport, int table_size)
-{
- struct mlx5_core_dev *dev = esw->dev;
- struct mlx5_flow_namespace *root_ns;
- struct mlx5_flow_table *acl;
- int vport_index;
- int err;
-
- if (!MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support))
- return -EOPNOTSUPP;
-
- esw_debug(dev, "Create vport[%d] ingress ACL log_max_size(%d)\n",
- vport->vport, MLX5_CAP_ESW_INGRESS_ACL(dev, log_max_ft_size));
-
- vport_index = mlx5_eswitch_vport_num_to_index(esw, vport->vport);
- root_ns = mlx5_get_flow_vport_acl_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS,
- vport_index);
- if (!root_ns) {
- esw_warn(dev, "Failed to get E-Switch ingress flow namespace for vport (%d)\n",
- vport->vport);
- return -EOPNOTSUPP;
- }
-
- acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
- if (IS_ERR(acl)) {
- err = PTR_ERR(acl);
- esw_warn(dev, "vport[%d] ingress create flow Table, err(%d)\n",
- vport->vport, err);
- return err;
- }
- vport->ingress.acl = acl;
- return 0;
-}
-
-void esw_vport_destroy_ingress_acl_table(struct mlx5_vport *vport)
-{
- if (!vport->ingress.acl)
- return;
-
- mlx5_destroy_flow_table(vport->ingress.acl);
- vport->ingress.acl = NULL;
-}
-
-void esw_vport_cleanup_ingress_rules(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- if (vport->ingress.legacy.drop_rule) {
- mlx5_del_flow_rules(vport->ingress.legacy.drop_rule);
- vport->ingress.legacy.drop_rule = NULL;
- }
-
- if (vport->ingress.allow_rule) {
- mlx5_del_flow_rules(vport->ingress.allow_rule);
- vport->ingress.allow_rule = NULL;
- }
-}
-
-static void esw_vport_disable_legacy_ingress_acl(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- if (!vport->ingress.acl)
- return;
-
- esw_debug(esw->dev, "Destroy vport[%d] E-Switch ingress ACL\n", vport->vport);
-
- esw_vport_cleanup_ingress_rules(esw, vport);
- if (vport->ingress.legacy.allow_spoofchk_only_grp) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp);
- vport->ingress.legacy.allow_spoofchk_only_grp = NULL;
- }
- if (vport->ingress.legacy.allow_untagged_only_grp) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp);
- vport->ingress.legacy.allow_untagged_only_grp = NULL;
- }
- if (vport->ingress.legacy.allow_untagged_spoofchk_grp) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp);
- vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL;
- }
- if (vport->ingress.legacy.drop_grp) {
- mlx5_destroy_flow_group(vport->ingress.legacy.drop_grp);
- vport->ingress.legacy.drop_grp = NULL;
- }
- esw_vport_destroy_ingress_acl_table(vport);
-}
-
-static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- struct mlx5_fc *counter = vport->ingress.legacy.drop_counter;
- struct mlx5_flow_destination drop_ctr_dst = {0};
- struct mlx5_flow_destination *dst = NULL;
- struct mlx5_flow_act flow_act = {0};
- struct mlx5_flow_spec *spec = NULL;
- int dest_num = 0;
- int err = 0;
- u8 *smac_v;
-
- /* The ingress acl table contains 4 groups
- * (2 active rules at the same time -
- * 1 allow rule from one of the first 3 groups.
- * 1 drop rule from the last group):
- * 1)Allow untagged traffic with smac=original mac.
- * 2)Allow untagged traffic.
- * 3)Allow traffic with smac=original mac.
- * 4)Drop all other traffic.
- */
- int table_size = 4;
-
- esw_vport_cleanup_ingress_rules(esw, vport);
-
- if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) {
- esw_vport_disable_legacy_ingress_acl(esw, vport);
- return 0;
- }
-
- if (!vport->ingress.acl) {
- err = esw_vport_create_ingress_acl_table(esw, vport, table_size);
- if (err) {
- esw_warn(esw->dev,
- "vport[%d] enable ingress acl err (%d)\n",
- err, vport->vport);
- return err;
- }
-
- err = esw_vport_create_legacy_ingress_acl_groups(esw, vport);
- if (err)
- goto out;
- }
-
- esw_debug(esw->dev,
- "vport[%d] configure ingress rules, vlan(%d) qos(%d)\n",
- vport->vport, vport->info.vlan, vport->info.qos);
-
- spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
- if (!spec) {
- err = -ENOMEM;
- goto out;
- }
-
- if (vport->info.vlan || vport->info.qos)
- MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
-
- if (vport->info.spoofchk) {
- MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_47_16);
- MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_15_0);
- smac_v = MLX5_ADDR_OF(fte_match_param,
- spec->match_value,
- outer_headers.smac_47_16);
- ether_addr_copy(smac_v, vport->info.mac);
- }
-
- spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW;
- vport->ingress.allow_rule =
- mlx5_add_flow_rules(vport->ingress.acl, spec,
- &flow_act, NULL, 0);
- if (IS_ERR(vport->ingress.allow_rule)) {
- err = PTR_ERR(vport->ingress.allow_rule);
- esw_warn(esw->dev,
- "vport[%d] configure ingress allow rule, err(%d)\n",
- vport->vport, err);
- vport->ingress.allow_rule = NULL;
- goto out;
- }
-
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
-
- /* Attach drop flow counter */
- if (counter) {
- flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
- drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
- drop_ctr_dst.counter_id = mlx5_fc_id(counter);
- dst = &drop_ctr_dst;
- dest_num++;
- }
- vport->ingress.legacy.drop_rule =
- mlx5_add_flow_rules(vport->ingress.acl, NULL,
- &flow_act, dst, dest_num);
- if (IS_ERR(vport->ingress.legacy.drop_rule)) {
- err = PTR_ERR(vport->ingress.legacy.drop_rule);
- esw_warn(esw->dev,
- "vport[%d] configure ingress drop rule, err(%d)\n",
- vport->vport, err);
- vport->ingress.legacy.drop_rule = NULL;
- goto out;
- }
- kvfree(spec);
- return 0;
-
-out:
- esw_vport_disable_legacy_ingress_acl(esw, vport);
- kvfree(spec);
- return err;
-}
-
static bool element_type_supported(struct mlx5_eswitch *esw, int type)
{
const struct mlx5_core_dev *dev = esw->dev;
if (mlx5_esw_is_manager_vport(esw, vport->vport))
return 0;
- if (MLX5_CAP_ESW_INGRESS_ACL(esw->dev, flow_counter)) {
- vport->ingress.legacy.drop_counter = mlx5_fc_create(esw->dev, false);
- if (IS_ERR(vport->ingress.legacy.drop_counter)) {
- esw_warn(esw->dev,
- "vport[%d] configure ingress drop rule counter failed\n",
- vport->vport);
- vport->ingress.legacy.drop_counter = NULL;
- }
- }
-
- ret = esw_vport_ingress_config(esw, vport);
+ ret = esw_acl_ingress_lgcy_setup(esw, vport);
if (ret)
goto ingress_err;
return 0;
egress_err:
- esw_vport_disable_legacy_ingress_acl(esw, vport);
+ esw_acl_ingress_lgcy_cleanup(esw, vport);
ingress_err:
- mlx5_fc_destroy(esw->dev, vport->ingress.legacy.drop_counter);
- vport->ingress.legacy.drop_counter = NULL;
return ret;
}
return;
esw_acl_egress_lgcy_cleanup(esw, vport);
-
- esw_vport_disable_legacy_ingress_acl(esw, vport);
- mlx5_fc_destroy(esw->dev, vport->ingress.legacy.drop_counter);
- vport->ingress.legacy.drop_counter = NULL;
+ esw_acl_ingress_lgcy_cleanup(esw, vport);
}
static void esw_vport_cleanup_acl(struct mlx5_eswitch *esw,
ether_addr_copy(evport->info.mac, mac);
evport->info.node_guid = node_guid;
if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY)
- err = esw_vport_ingress_config(esw, evport);
+ err = esw_acl_ingress_lgcy_setup(esw, evport);
unlock:
mutex_unlock(&esw->state_lock);
evport->info.vlan = vlan;
evport->info.qos = qos;
if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY) {
- err = esw_vport_ingress_config(esw, evport);
+ err = esw_acl_ingress_lgcy_setup(esw, evport);
if (err)
return err;
err = esw_acl_egress_lgcy_setup(esw, evport);
"Spoofchk in set while MAC is invalid, vport(%d)\n",
evport->vport);
if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY)
- err = esw_vport_ingress_config(esw, evport);
+ err = esw_acl_ingress_lgcy_setup(esw, evport);
if (err)
evport->info.spoofchk = pschk;
mutex_unlock(&esw->state_lock);
int esw_offloads_enable(struct mlx5_eswitch *esw);
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_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);
int mlx5_esw_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num,
u32 rate_mbps);
return &esw->offloads.vport_reps[idx];
}
-static bool
-esw_check_ingress_prio_tag_enabled(const struct mlx5_eswitch *esw,
- const struct mlx5_vport *vport)
-{
- return (MLX5_CAP_GEN(esw->dev, prio_tag_required) &&
- mlx5_eswitch_is_vf_vport(esw, vport->vport));
-}
static void
mlx5_eswitch_set_rule_source_port(struct mlx5_eswitch *esw,
mlx5_devcom_unregister_component(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
}
-static int esw_vport_ingress_prio_tag_config(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- struct mlx5_flow_act flow_act = {0};
- struct mlx5_flow_spec *spec;
- int err = 0;
-
- /* For prio tag mode, there is only 1 FTEs:
- * 1) Untagged packets - push prio tag VLAN and modify metadata if
- * required, allow
- * Unmatched traffic is allowed by default
- */
- spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
- if (!spec)
- return -ENOMEM;
-
- /* Untagged packets - push prio tag VLAN, allow */
- MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
- MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 0);
- spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH |
- MLX5_FLOW_CONTEXT_ACTION_ALLOW;
- flow_act.vlan[0].ethtype = ETH_P_8021Q;
- flow_act.vlan[0].vid = 0;
- flow_act.vlan[0].prio = 0;
-
- if (vport->ingress.offloads.modify_metadata_rule) {
- flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
- flow_act.modify_hdr = vport->ingress.offloads.modify_metadata;
- }
-
- vport->ingress.allow_rule =
- mlx5_add_flow_rules(vport->ingress.acl, spec,
- &flow_act, NULL, 0);
- if (IS_ERR(vport->ingress.allow_rule)) {
- err = PTR_ERR(vport->ingress.allow_rule);
- esw_warn(esw->dev,
- "vport[%d] configure ingress untagged allow rule, err(%d)\n",
- vport->vport, err);
- vport->ingress.allow_rule = NULL;
- }
-
- kvfree(spec);
- return err;
-}
-
-static int esw_vport_add_ingress_acl_modify_metadata(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {};
- struct mlx5_flow_act flow_act = {};
- int err = 0;
- u32 key;
-
- key = mlx5_eswitch_get_vport_metadata_for_match(esw, vport->vport);
- key >>= ESW_SOURCE_PORT_METADATA_OFFSET;
-
- MLX5_SET(set_action_in, action, action_type, MLX5_ACTION_TYPE_SET);
- MLX5_SET(set_action_in, action, field,
- MLX5_ACTION_IN_FIELD_METADATA_REG_C_0);
- MLX5_SET(set_action_in, action, data, key);
- MLX5_SET(set_action_in, action, offset,
- ESW_SOURCE_PORT_METADATA_OFFSET);
- MLX5_SET(set_action_in, action, length,
- ESW_SOURCE_PORT_METADATA_BITS);
-
- vport->ingress.offloads.modify_metadata =
- mlx5_modify_header_alloc(esw->dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS,
- 1, action);
- if (IS_ERR(vport->ingress.offloads.modify_metadata)) {
- err = PTR_ERR(vport->ingress.offloads.modify_metadata);
- esw_warn(esw->dev,
- "failed to alloc modify header for vport %d ingress acl (%d)\n",
- vport->vport, err);
- return err;
- }
-
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | MLX5_FLOW_CONTEXT_ACTION_ALLOW;
- flow_act.modify_hdr = vport->ingress.offloads.modify_metadata;
- vport->ingress.offloads.modify_metadata_rule =
- mlx5_add_flow_rules(vport->ingress.acl,
- NULL, &flow_act, NULL, 0);
- if (IS_ERR(vport->ingress.offloads.modify_metadata_rule)) {
- err = PTR_ERR(vport->ingress.offloads.modify_metadata_rule);
- esw_warn(esw->dev,
- "failed to add setting metadata rule for vport %d ingress acl, err(%d)\n",
- vport->vport, err);
- mlx5_modify_header_dealloc(esw->dev, vport->ingress.offloads.modify_metadata);
- vport->ingress.offloads.modify_metadata_rule = NULL;
- }
- return err;
-}
-
-static void esw_vport_del_ingress_acl_modify_metadata(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- if (vport->ingress.offloads.modify_metadata_rule) {
- mlx5_del_flow_rules(vport->ingress.offloads.modify_metadata_rule);
- mlx5_modify_header_dealloc(esw->dev, vport->ingress.offloads.modify_metadata);
-
- vport->ingress.offloads.modify_metadata_rule = NULL;
- }
-}
-
-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;
- void *match_criteria;
- u32 *flow_group_in;
- u32 flow_index = 0;
- int ret = 0;
-
- flow_group_in = kvzalloc(inlen, GFP_KERNEL);
- if (!flow_group_in)
- return -ENOMEM;
-
- if (esw_check_ingress_prio_tag_enabled(esw, vport)) {
- /* This group is to hold FTE to match untagged packets when prio_tag
- * is enabled.
- */
- memset(flow_group_in, 0, inlen);
-
- match_criteria = MLX5_ADDR_OF(create_flow_group_in,
- flow_group_in, match_criteria);
- MLX5_SET(create_flow_group_in, flow_group_in,
- match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- ret = PTR_ERR(g);
- esw_warn(esw->dev, "vport[%d] ingress create untagged flow group, err(%d)\n",
- vport->vport, ret);
- goto prio_tag_err;
- }
- vport->ingress.offloads.metadata_prio_tag_grp = g;
- flow_index++;
- }
-
- if (mlx5_eswitch_vport_match_metadata_enabled(esw)) {
- /* This group holds an FTE with no matches for add metadata for
- * tagged packets, if prio-tag is enabled (as a fallthrough),
- * or all traffic in case prio-tag is disabled.
- */
- memset(flow_group_in, 0, inlen);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- ret = PTR_ERR(g);
- esw_warn(esw->dev, "vport[%d] ingress create drop flow group, err(%d)\n",
- vport->vport, ret);
- goto metadata_err;
- }
- vport->ingress.offloads.metadata_allmatch_grp = g;
- }
-
- kvfree(flow_group_in);
- return 0;
-
-metadata_err:
- if (!IS_ERR_OR_NULL(vport->ingress.offloads.metadata_prio_tag_grp)) {
- mlx5_destroy_flow_group(vport->ingress.offloads.metadata_prio_tag_grp);
- vport->ingress.offloads.metadata_prio_tag_grp = NULL;
- }
-prio_tag_err:
- kvfree(flow_group_in);
- return ret;
-}
-
-static void esw_vport_destroy_ingress_acl_group(struct mlx5_vport *vport)
-{
- if (vport->ingress.offloads.metadata_allmatch_grp) {
- mlx5_destroy_flow_group(vport->ingress.offloads.metadata_allmatch_grp);
- vport->ingress.offloads.metadata_allmatch_grp = NULL;
- }
-
- if (vport->ingress.offloads.metadata_prio_tag_grp) {
- mlx5_destroy_flow_group(vport->ingress.offloads.metadata_prio_tag_grp);
- vport->ingress.offloads.metadata_prio_tag_grp = NULL;
- }
-}
-
-static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- int num_ftes = 0;
- int err;
-
- if (!mlx5_eswitch_vport_match_metadata_enabled(esw) &&
- !esw_check_ingress_prio_tag_enabled(esw, vport))
- return 0;
-
- esw_vport_cleanup_ingress_rules(esw, vport);
-
- if (mlx5_eswitch_vport_match_metadata_enabled(esw))
- num_ftes++;
- if (esw_check_ingress_prio_tag_enabled(esw, vport))
- num_ftes++;
-
- err = esw_vport_create_ingress_acl_table(esw, vport, num_ftes);
- if (err) {
- esw_warn(esw->dev,
- "failed to enable ingress acl (%d) on vport[%d]\n",
- err, vport->vport);
- 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 metadata_err;
- }
-
- if (esw_check_ingress_prio_tag_enabled(esw, vport)) {
- err = esw_vport_ingress_prio_tag_config(esw, vport);
- if (err)
- goto prio_tag_err;
- }
- return 0;
-
-prio_tag_err:
- esw_vport_del_ingress_acl_modify_metadata(esw, vport);
-metadata_err:
- esw_vport_destroy_ingress_acl_group(vport);
-group_err:
- esw_vport_destroy_ingress_acl_table(vport);
- return err;
-}
-
static bool
esw_check_vport_match_metadata_supported(const struct mlx5_eswitch *esw)
{
{
int err;
- err = esw_vport_ingress_config(esw, vport);
+ err = esw_acl_ingress_ofld_setup(esw, vport);
if (err)
return err;
if (mlx5_eswitch_is_vf_vport(esw, vport->vport)) {
err = esw_acl_egress_ofld_setup(esw, vport);
- if (err) {
- esw_vport_cleanup_ingress_rules(esw, vport);
- esw_vport_del_ingress_acl_modify_metadata(esw, vport);
- esw_vport_destroy_ingress_acl_group(vport);
- esw_vport_destroy_ingress_acl_table(vport);
- }
+ if (err)
+ goto egress_err;
}
+
+ return 0;
+
+egress_err:
+ esw_acl_ingress_ofld_cleanup(esw, vport);
return err;
}
struct mlx5_vport *vport)
{
esw_acl_egress_ofld_cleanup(vport);
- esw_vport_cleanup_ingress_rules(esw, vport);
- esw_vport_del_ingress_acl_modify_metadata(esw, vport);
- esw_vport_destroy_ingress_acl_group(vport);
- esw_vport_destroy_ingress_acl_table(vport);
+ esw_acl_ingress_ofld_cleanup(esw, vport);
}
static int esw_create_uplink_offloads_acl_tables(struct mlx5_eswitch *esw)
projects / linux-2.6-microblaze.git / commitdiff