mae->status = SFC_MAE_STATUS_SUPPORTED;
mae->nb_action_rule_prios_max = limits.eml_max_n_action_prios;
+ TAILQ_INIT(&mae->action_sets);
sfc_log_init(sa, "done");
sfc_log_init(sa, "done");
}
+
+static struct sfc_mae_action_set *
+sfc_mae_action_set_attach(struct sfc_adapter *sa,
+ const efx_mae_actions_t *spec)
+{
+ struct sfc_mae_action_set *action_set;
+ struct sfc_mae *mae = &sa->mae;
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ TAILQ_FOREACH(action_set, &mae->action_sets, entries) {
+ if (efx_mae_action_set_specs_equal(action_set->spec, spec)) {
+ ++(action_set->refcnt);
+ return action_set;
+ }
+ }
+
+ return NULL;
+}
+
+static int
+sfc_mae_action_set_add(struct sfc_adapter *sa,
+ efx_mae_actions_t *spec,
+ struct sfc_mae_action_set **action_setp)
+{
+ struct sfc_mae_action_set *action_set;
+ struct sfc_mae *mae = &sa->mae;
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ action_set = rte_zmalloc("sfc_mae_action_set", sizeof(*action_set), 0);
+ if (action_set == NULL)
+ return ENOMEM;
+
+ action_set->refcnt = 1;
+ action_set->spec = spec;
+
+ action_set->fw_rsrc.aset_id.id = EFX_MAE_RSRC_ID_INVALID;
+
+ TAILQ_INSERT_TAIL(&mae->action_sets, action_set, entries);
+
+ *action_setp = action_set;
+
+ return 0;
+}
+
+static void
+sfc_mae_action_set_del(struct sfc_adapter *sa,
+ struct sfc_mae_action_set *action_set)
+{
+ struct sfc_mae *mae = &sa->mae;
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+ SFC_ASSERT(action_set->refcnt != 0);
+
+ --(action_set->refcnt);
+
+ if (action_set->refcnt != 0)
+ return;
+
+ SFC_ASSERT(action_set->fw_rsrc.aset_id.id == EFX_MAE_RSRC_ID_INVALID);
+ SFC_ASSERT(action_set->fw_rsrc.refcnt == 0);
+
+ efx_mae_action_set_spec_fini(sa->nic, action_set->spec);
+ TAILQ_REMOVE(&mae->action_sets, action_set, entries);
+ rte_free(action_set);
+}
+
+static int
+sfc_mae_action_set_enable(struct sfc_adapter *sa,
+ struct sfc_mae_action_set *action_set)
+{
+ struct sfc_mae_fw_rsrc *fw_rsrc = &action_set->fw_rsrc;
+ int rc;
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ if (fw_rsrc->refcnt == 0) {
+ SFC_ASSERT(fw_rsrc->aset_id.id == EFX_MAE_RSRC_ID_INVALID);
+ SFC_ASSERT(action_set->spec != NULL);
+
+ rc = efx_mae_action_set_alloc(sa->nic, action_set->spec,
+ &fw_rsrc->aset_id);
+ if (rc != 0)
+ return rc;
+ }
+
+ ++(fw_rsrc->refcnt);
+
+ return 0;
+}
+
+static int
+sfc_mae_action_set_disable(struct sfc_adapter *sa,
+ struct sfc_mae_action_set *action_set)
+{
+ struct sfc_mae_fw_rsrc *fw_rsrc = &action_set->fw_rsrc;
+ int rc;
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+ SFC_ASSERT(fw_rsrc->aset_id.id != EFX_MAE_RSRC_ID_INVALID);
+ SFC_ASSERT(fw_rsrc->refcnt != 0);
+
+ if (fw_rsrc->refcnt == 1) {
+ rc = efx_mae_action_set_free(sa->nic, &fw_rsrc->aset_id);
+ if (rc != 0)
+ return rc;
+
+ fw_rsrc->aset_id.id = EFX_MAE_RSRC_ID_INVALID;
+ }
+
+ --(fw_rsrc->refcnt);
+
+ return 0;
+}
+
+void
+sfc_mae_flow_cleanup(struct sfc_adapter *sa,
+ struct rte_flow *flow)
+{
+ struct sfc_flow_spec *spec;
+ struct sfc_flow_spec_mae *spec_mae;
+
+ if (flow == NULL)
+ return;
+
+ spec = &flow->spec;
+
+ if (spec == NULL)
+ return;
+
+ spec_mae = &spec->mae;
+
+ SFC_ASSERT(spec_mae->rule_id.id == EFX_MAE_RSRC_ID_INVALID);
+
+ if (spec_mae->action_set != NULL)
+ sfc_mae_action_set_del(sa, spec_mae->action_set);
+
+ if (spec_mae->match_spec != NULL)
+ efx_mae_match_spec_fini(sa->nic, spec_mae->match_spec);
+}
+
+static int
+sfc_mae_rule_parse_item_phy_port(const struct rte_flow_item *item,
+ struct sfc_flow_parse_ctx *ctx,
+ struct rte_flow_error *error)
+{
+ struct sfc_mae_parse_ctx *ctx_mae = ctx->mae;
+ const struct rte_flow_item_phy_port supp_mask = {
+ .index = 0xffffffff,
+ };
+ const void *def_mask = &rte_flow_item_phy_port_mask;
+ const struct rte_flow_item_phy_port *spec = NULL;
+ const struct rte_flow_item_phy_port *mask = NULL;
+ efx_mport_sel_t mport_v;
+ int rc;
+
+ if (ctx_mae->match_mport_set) {
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Can't handle multiple traffic source items");
+ }
+
+ rc = sfc_flow_parse_init(item,
+ (const void **)&spec, (const void **)&mask,
+ (const void *)&supp_mask, def_mask,
+ sizeof(struct rte_flow_item_phy_port), error);
+ if (rc != 0)
+ return rc;
+
+ if (mask->index != supp_mask.index) {
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Bad mask in the PHY_PORT pattern item");
+ }
+
+ /* If "spec" is not set, could be any physical port */
+ if (spec == NULL)
+ return 0;
+
+ rc = efx_mae_mport_by_phy_port(spec->index, &mport_v);
+ if (rc != 0) {
+ return rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Failed to convert the PHY_PORT index");
+ }
+
+ rc = efx_mae_match_spec_mport_set(ctx_mae->match_spec_action,
+ &mport_v, NULL);
+ if (rc != 0) {
+ return rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Failed to set MPORT for the PHY_PORT");
+ }
+
+ ctx_mae->match_mport_set = B_TRUE;
+
+ return 0;
+}
+
+static int
+sfc_mae_rule_parse_item_pf(const struct rte_flow_item *item,
+ struct sfc_flow_parse_ctx *ctx,
+ struct rte_flow_error *error)
+{
+ struct sfc_mae_parse_ctx *ctx_mae = ctx->mae;
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(ctx_mae->sa->nic);
+ efx_mport_sel_t mport_v;
+ int rc;
+
+ if (ctx_mae->match_mport_set) {
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Can't handle multiple traffic source items");
+ }
+
+ rc = efx_mae_mport_by_pcie_function(encp->enc_pf, EFX_PCI_VF_INVALID,
+ &mport_v);
+ if (rc != 0) {
+ return rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Failed to convert the PF ID");
+ }
+
+ rc = efx_mae_match_spec_mport_set(ctx_mae->match_spec_action,
+ &mport_v, NULL);
+ if (rc != 0) {
+ return rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Failed to set MPORT for the PF");
+ }
+
+ ctx_mae->match_mport_set = B_TRUE;
+
+ return 0;
+}
+
+static int
+sfc_mae_rule_parse_item_vf(const struct rte_flow_item *item,
+ struct sfc_flow_parse_ctx *ctx,
+ struct rte_flow_error *error)
+{
+ struct sfc_mae_parse_ctx *ctx_mae = ctx->mae;
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(ctx_mae->sa->nic);
+ const struct rte_flow_item_vf supp_mask = {
+ .id = 0xffffffff,
+ };
+ const void *def_mask = &rte_flow_item_vf_mask;
+ const struct rte_flow_item_vf *spec = NULL;
+ const struct rte_flow_item_vf *mask = NULL;
+ efx_mport_sel_t mport_v;
+ int rc;
+
+ if (ctx_mae->match_mport_set) {
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Can't handle multiple traffic source items");
+ }
+
+ rc = sfc_flow_parse_init(item,
+ (const void **)&spec, (const void **)&mask,
+ (const void *)&supp_mask, def_mask,
+ sizeof(struct rte_flow_item_vf), error);
+ if (rc != 0)
+ return rc;
+
+ if (mask->id != supp_mask.id) {
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Bad mask in the VF pattern item");
+ }
+
+ /*
+ * If "spec" is not set, the item requests any VF related to the
+ * PF of the current DPDK port (but not the PF itself).
+ * Reject this match criterion as unsupported.
+ */
+ if (spec == NULL) {
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Bad spec in the VF pattern item");
+ }
+
+ rc = efx_mae_mport_by_pcie_function(encp->enc_pf, spec->id, &mport_v);
+ if (rc != 0) {
+ return rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Failed to convert the PF + VF IDs");
+ }
+
+ rc = efx_mae_match_spec_mport_set(ctx_mae->match_spec_action,
+ &mport_v, NULL);
+ if (rc != 0) {
+ return rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Failed to set MPORT for the PF + VF");
+ }
+
+ ctx_mae->match_mport_set = B_TRUE;
+
+ return 0;
+}
+
+struct sfc_mae_field_locator {
+ efx_mae_field_id_t field_id;
+ size_t size;
+ /* Field offset in the corresponding rte_flow_item_ struct */
+ size_t ofst;
+};
+
+static void
+sfc_mae_item_build_supp_mask(const struct sfc_mae_field_locator *field_locators,
+ unsigned int nb_field_locators, void *mask_ptr,
+ size_t mask_size)
+{
+ unsigned int i;
+
+ memset(mask_ptr, 0, mask_size);
+
+ for (i = 0; i < nb_field_locators; ++i) {
+ const struct sfc_mae_field_locator *fl = &field_locators[i];
+
+ SFC_ASSERT(fl->ofst + fl->size <= mask_size);
+ memset(RTE_PTR_ADD(mask_ptr, fl->ofst), 0xff, fl->size);
+ }
+}
+
+static int
+sfc_mae_parse_item(const struct sfc_mae_field_locator *field_locators,
+ unsigned int nb_field_locators, const uint8_t *spec,
+ const uint8_t *mask, efx_mae_match_spec_t *efx_spec,
+ struct rte_flow_error *error)
+{
+ unsigned int i;
+ int rc = 0;
+
+ for (i = 0; i < nb_field_locators; ++i) {
+ const struct sfc_mae_field_locator *fl = &field_locators[i];
+
+ rc = efx_mae_match_spec_field_set(efx_spec, fl->field_id,
+ fl->size, spec + fl->ofst,
+ fl->size, mask + fl->ofst);
+ if (rc != 0)
+ break;
+ }
+
+ if (rc != 0) {
+ rc = rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "Failed to process item fields");
+ }
+
+ return rc;
+}
+
+static const struct sfc_mae_field_locator flocs_eth[] = {
+ {
+ EFX_MAE_FIELD_ETHER_TYPE_BE,
+ RTE_SIZEOF_FIELD(struct rte_flow_item_eth, type),
+ offsetof(struct rte_flow_item_eth, type),
+ },
+ {
+ EFX_MAE_FIELD_ETH_DADDR_BE,
+ RTE_SIZEOF_FIELD(struct rte_flow_item_eth, dst),
+ offsetof(struct rte_flow_item_eth, dst),
+ },
+ {
+ EFX_MAE_FIELD_ETH_SADDR_BE,
+ RTE_SIZEOF_FIELD(struct rte_flow_item_eth, src),
+ offsetof(struct rte_flow_item_eth, src),
+ },
+};
+
+static int
+sfc_mae_rule_parse_item_eth(const struct rte_flow_item *item,
+ struct sfc_flow_parse_ctx *ctx,
+ struct rte_flow_error *error)
+{
+ struct sfc_mae_parse_ctx *ctx_mae = ctx->mae;
+ struct rte_flow_item_eth supp_mask;
+ const uint8_t *spec = NULL;
+ const uint8_t *mask = NULL;
+ int rc;
+
+ sfc_mae_item_build_supp_mask(flocs_eth, RTE_DIM(flocs_eth),
+ &supp_mask, sizeof(supp_mask));
+
+ rc = sfc_flow_parse_init(item,
+ (const void **)&spec, (const void **)&mask,
+ (const void *)&supp_mask,
+ &rte_flow_item_eth_mask,
+ sizeof(struct rte_flow_item_eth), error);
+ if (rc != 0)
+ return rc;
+
+ /* If "spec" is not set, could be any Ethernet */
+ if (spec == NULL)
+ return 0;
+
+ return sfc_mae_parse_item(flocs_eth, RTE_DIM(flocs_eth), spec, mask,
+ ctx_mae->match_spec_action, error);
+}
+
+static const struct sfc_flow_item sfc_flow_items[] = {
+ {
+ .type = RTE_FLOW_ITEM_TYPE_PHY_PORT,
+ /*
+ * In terms of RTE flow, this item is a META one,
+ * and its position in the pattern is don't care.
+ */
+ .prev_layer = SFC_FLOW_ITEM_ANY_LAYER,
+ .layer = SFC_FLOW_ITEM_ANY_LAYER,
+ .ctx_type = SFC_FLOW_PARSE_CTX_MAE,
+ .parse = sfc_mae_rule_parse_item_phy_port,
+ },
+ {
+ .type = RTE_FLOW_ITEM_TYPE_PF,
+ /*
+ * In terms of RTE flow, this item is a META one,
+ * and its position in the pattern is don't care.
+ */
+ .prev_layer = SFC_FLOW_ITEM_ANY_LAYER,
+ .layer = SFC_FLOW_ITEM_ANY_LAYER,
+ .ctx_type = SFC_FLOW_PARSE_CTX_MAE,
+ .parse = sfc_mae_rule_parse_item_pf,
+ },
+ {
+ .type = RTE_FLOW_ITEM_TYPE_VF,
+ /*
+ * In terms of RTE flow, this item is a META one,
+ * and its position in the pattern is don't care.
+ */
+ .prev_layer = SFC_FLOW_ITEM_ANY_LAYER,
+ .layer = SFC_FLOW_ITEM_ANY_LAYER,
+ .ctx_type = SFC_FLOW_PARSE_CTX_MAE,
+ .parse = sfc_mae_rule_parse_item_vf,
+ },
+ {
+ .type = RTE_FLOW_ITEM_TYPE_ETH,
+ .prev_layer = SFC_FLOW_ITEM_START_LAYER,
+ .layer = SFC_FLOW_ITEM_L2,
+ .ctx_type = SFC_FLOW_PARSE_CTX_MAE,
+ .parse = sfc_mae_rule_parse_item_eth,
+ },
+};
+
+int
+sfc_mae_rule_parse_pattern(struct sfc_adapter *sa,
+ const struct rte_flow_item pattern[],
+ struct sfc_flow_spec_mae *spec,
+ struct rte_flow_error *error)
+{
+ struct sfc_mae_parse_ctx ctx_mae;
+ struct sfc_flow_parse_ctx ctx;
+ int rc;
+
+ memset(&ctx_mae, 0, sizeof(ctx_mae));
+ ctx_mae.sa = sa;
+
+ rc = efx_mae_match_spec_init(sa->nic, EFX_MAE_RULE_ACTION,
+ spec->priority,
+ &ctx_mae.match_spec_action);
+ if (rc != 0) {
+ rc = rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "Failed to initialise action rule match specification");
+ goto fail_init_match_spec_action;
+ }
+
+ ctx.type = SFC_FLOW_PARSE_CTX_MAE;
+ ctx.mae = &ctx_mae;
+
+ rc = sfc_flow_parse_pattern(sfc_flow_items, RTE_DIM(sfc_flow_items),
+ pattern, &ctx, error);
+ if (rc != 0)
+ goto fail_parse_pattern;
+
+ if (!efx_mae_match_spec_is_valid(sa->nic, ctx_mae.match_spec_action)) {
+ rc = rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, NULL,
+ "Inconsistent pattern");
+ goto fail_validate_match_spec_action;
+ }
+
+ spec->match_spec = ctx_mae.match_spec_action;
+
+ return 0;
+
+fail_validate_match_spec_action:
+fail_parse_pattern:
+ efx_mae_match_spec_fini(sa->nic, ctx_mae.match_spec_action);
+
+fail_init_match_spec_action:
+ return rc;
+}
+
+/*
+ * An action supported by MAE may correspond to a bundle of RTE flow actions,
+ * in example, VLAN_PUSH = OF_PUSH_VLAN + OF_VLAN_SET_VID + OF_VLAN_SET_PCP.
+ * That is, related RTE flow actions need to be tracked as parts of a whole
+ * so that they can be combined into a single action and submitted to MAE
+ * representation of a given rule's action set.
+ *
+ * Each RTE flow action provided by an application gets classified as
+ * one belonging to some bundle type. If an action is not supposed to
+ * belong to any bundle, or if this action is END, it is described as
+ * one belonging to a dummy bundle of type EMPTY.
+ *
+ * A currently tracked bundle will be submitted if a repeating
+ * action or an action of different bundle type follows.
+ */
+
+enum sfc_mae_actions_bundle_type {
+ SFC_MAE_ACTIONS_BUNDLE_EMPTY = 0,
+ SFC_MAE_ACTIONS_BUNDLE_VLAN_PUSH,
+};
+
+struct sfc_mae_actions_bundle {
+ enum sfc_mae_actions_bundle_type type;
+
+ /* Indicates actions already tracked by the current bundle */
+ uint64_t actions_mask;
+
+ /* Parameters used by SFC_MAE_ACTIONS_BUNDLE_VLAN_PUSH */
+ rte_be16_t vlan_push_tpid;
+ rte_be16_t vlan_push_tci;
+};
+
+/*
+ * Combine configuration of RTE flow actions tracked by the bundle into a
+ * single action and submit the result to MAE action set specification.
+ * Do nothing in the case of dummy action bundle.
+ */
+static int
+sfc_mae_actions_bundle_submit(const struct sfc_mae_actions_bundle *bundle,
+ efx_mae_actions_t *spec)
+{
+ int rc = 0;
+
+ switch (bundle->type) {
+ case SFC_MAE_ACTIONS_BUNDLE_EMPTY:
+ break;
+ case SFC_MAE_ACTIONS_BUNDLE_VLAN_PUSH:
+ rc = efx_mae_action_set_populate_vlan_push(
+ spec, bundle->vlan_push_tpid, bundle->vlan_push_tci);
+ break;
+ default:
+ SFC_ASSERT(B_FALSE);
+ break;
+ }
+
+ return rc;
+}
+
+/*
+ * Given the type of the next RTE flow action in the line, decide
+ * whether a new bundle is about to start, and, if this is the case,
+ * submit and reset the current bundle.
+ */
+static int
+sfc_mae_actions_bundle_sync(const struct rte_flow_action *action,
+ struct sfc_mae_actions_bundle *bundle,
+ efx_mae_actions_t *spec,
+ struct rte_flow_error *error)
+{
+ enum sfc_mae_actions_bundle_type bundle_type_new;
+ int rc;
+
+ switch (action->type) {
+ case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
+ case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
+ case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
+ bundle_type_new = SFC_MAE_ACTIONS_BUNDLE_VLAN_PUSH;
+ break;
+ default:
+ /*
+ * Self-sufficient actions, including END, are handled in this
+ * case. No checks for unsupported actions are needed here
+ * because parsing doesn't occur at this point.
+ */
+ bundle_type_new = SFC_MAE_ACTIONS_BUNDLE_EMPTY;
+ break;
+ }
+
+ if (bundle_type_new != bundle->type ||
+ (bundle->actions_mask & (1ULL << action->type)) != 0) {
+ rc = sfc_mae_actions_bundle_submit(bundle, spec);
+ if (rc != 0)
+ goto fail_submit;
+
+ memset(bundle, 0, sizeof(*bundle));
+ }
+
+ bundle->type = bundle_type_new;
+
+ return 0;
+
+fail_submit:
+ return rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "Failed to request the (group of) action(s)");
+}
+
+static void
+sfc_mae_rule_parse_action_of_push_vlan(
+ const struct rte_flow_action_of_push_vlan *conf,
+ struct sfc_mae_actions_bundle *bundle)
+{
+ bundle->vlan_push_tpid = conf->ethertype;
+}
+
+static void
+sfc_mae_rule_parse_action_of_set_vlan_vid(
+ const struct rte_flow_action_of_set_vlan_vid *conf,
+ struct sfc_mae_actions_bundle *bundle)
+{
+ bundle->vlan_push_tci |= (conf->vlan_vid &
+ rte_cpu_to_be_16(RTE_LEN2MASK(12, uint16_t)));
+}
+
+static void
+sfc_mae_rule_parse_action_of_set_vlan_pcp(
+ const struct rte_flow_action_of_set_vlan_pcp *conf,
+ struct sfc_mae_actions_bundle *bundle)
+{
+ uint16_t vlan_tci_pcp = (uint16_t)(conf->vlan_pcp &
+ RTE_LEN2MASK(3, uint8_t)) << 13;
+
+ bundle->vlan_push_tci |= rte_cpu_to_be_16(vlan_tci_pcp);
+}
+
+static int
+sfc_mae_rule_parse_action_mark(const struct rte_flow_action_mark *conf,
+ efx_mae_actions_t *spec)
+{
+ return efx_mae_action_set_populate_mark(spec, conf->id);
+}
+
+static int
+sfc_mae_rule_parse_action_phy_port(struct sfc_adapter *sa,
+ const struct rte_flow_action_phy_port *conf,
+ efx_mae_actions_t *spec)
+{
+ efx_mport_sel_t mport;
+ uint32_t phy_port;
+ int rc;
+
+ if (conf->original != 0)
+ phy_port = efx_nic_cfg_get(sa->nic)->enc_assigned_port;
+ else
+ phy_port = conf->index;
+
+ rc = efx_mae_mport_by_phy_port(phy_port, &mport);
+ if (rc != 0)
+ return rc;
+
+ return efx_mae_action_set_populate_deliver(spec, &mport);
+}
+
+static int
+sfc_mae_rule_parse_action_pf_vf(struct sfc_adapter *sa,
+ const struct rte_flow_action_vf *vf_conf,
+ efx_mae_actions_t *spec)
+{
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+ efx_mport_sel_t mport;
+ uint32_t vf;
+ int rc;
+
+ if (vf_conf == NULL)
+ vf = EFX_PCI_VF_INVALID;
+ else if (vf_conf->original != 0)
+ vf = encp->enc_vf;
+ else
+ vf = vf_conf->id;
+
+ rc = efx_mae_mport_by_pcie_function(encp->enc_pf, vf, &mport);
+ if (rc != 0)
+ return rc;
+
+ return efx_mae_action_set_populate_deliver(spec, &mport);
+}
+
+static int
+sfc_mae_rule_parse_action(struct sfc_adapter *sa,
+ const struct rte_flow_action *action,
+ struct sfc_mae_actions_bundle *bundle,
+ efx_mae_actions_t *spec,
+ struct rte_flow_error *error)
+{
+ int rc = 0;
+
+ switch (action->type) {
+ case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_OF_POP_VLAN,
+ bundle->actions_mask);
+ rc = efx_mae_action_set_populate_vlan_pop(spec);
+ break;
+ case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN,
+ bundle->actions_mask);
+ sfc_mae_rule_parse_action_of_push_vlan(action->conf, bundle);
+ break;
+ case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID,
+ bundle->actions_mask);
+ sfc_mae_rule_parse_action_of_set_vlan_vid(action->conf, bundle);
+ break;
+ case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP,
+ bundle->actions_mask);
+ sfc_mae_rule_parse_action_of_set_vlan_pcp(action->conf, bundle);
+ break;
+ case RTE_FLOW_ACTION_TYPE_FLAG:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_FLAG,
+ bundle->actions_mask);
+ rc = efx_mae_action_set_populate_flag(spec);
+ break;
+ case RTE_FLOW_ACTION_TYPE_MARK:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_MARK,
+ bundle->actions_mask);
+ rc = sfc_mae_rule_parse_action_mark(action->conf, spec);
+ break;
+ case RTE_FLOW_ACTION_TYPE_PHY_PORT:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_PHY_PORT,
+ bundle->actions_mask);
+ rc = sfc_mae_rule_parse_action_phy_port(sa, action->conf, spec);
+ break;
+ case RTE_FLOW_ACTION_TYPE_PF:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_PF,
+ bundle->actions_mask);
+ rc = sfc_mae_rule_parse_action_pf_vf(sa, NULL, spec);
+ break;
+ case RTE_FLOW_ACTION_TYPE_VF:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_VF,
+ bundle->actions_mask);
+ rc = sfc_mae_rule_parse_action_pf_vf(sa, action->conf, spec);
+ break;
+ case RTE_FLOW_ACTION_TYPE_DROP:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_DROP,
+ bundle->actions_mask);
+ rc = efx_mae_action_set_populate_drop(spec);
+ break;
+ default:
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "Unsupported action");
+ }
+
+ if (rc != 0) {
+ rc = rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "Failed to request the action");
+ } else {
+ bundle->actions_mask |= (1ULL << action->type);
+ }
+
+ return rc;
+}
+
+int
+sfc_mae_rule_parse_actions(struct sfc_adapter *sa,
+ const struct rte_flow_action actions[],
+ struct sfc_mae_action_set **action_setp,
+ struct rte_flow_error *error)
+{
+ struct sfc_mae_actions_bundle bundle = {0};
+ const struct rte_flow_action *action;
+ efx_mae_actions_t *spec;
+ int rc;
+
+ if (actions == NULL) {
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM, NULL,
+ "NULL actions");
+ }
+
+ rc = efx_mae_action_set_spec_init(sa->nic, &spec);
+ if (rc != 0)
+ goto fail_action_set_spec_init;
+
+ for (action = actions;
+ action->type != RTE_FLOW_ACTION_TYPE_END; ++action) {
+ rc = sfc_mae_actions_bundle_sync(action, &bundle, spec, error);
+ if (rc != 0)
+ goto fail_rule_parse_action;
+
+ rc = sfc_mae_rule_parse_action(sa, action, &bundle, spec,
+ error);
+ if (rc != 0)
+ goto fail_rule_parse_action;
+ }
+
+ rc = sfc_mae_actions_bundle_sync(action, &bundle, spec, error);
+ if (rc != 0)
+ goto fail_rule_parse_action;
+
+ *action_setp = sfc_mae_action_set_attach(sa, spec);
+ if (*action_setp != NULL) {
+ efx_mae_action_set_spec_fini(sa->nic, spec);
+ return 0;
+ }
+
+ rc = sfc_mae_action_set_add(sa, spec, action_setp);
+ if (rc != 0)
+ goto fail_action_set_add;
+
+ return 0;
+
+fail_action_set_add:
+fail_rule_parse_action:
+ efx_mae_action_set_spec_fini(sa->nic, spec);
+
+fail_action_set_spec_init:
+ if (rc > 0) {
+ rc = rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "Failed to process the action");
+ }
+ return rc;
+}
+
+static bool
+sfc_mae_rules_class_cmp(struct sfc_adapter *sa,
+ const efx_mae_match_spec_t *left,
+ const efx_mae_match_spec_t *right)
+{
+ bool have_same_class;
+ int rc;
+
+ rc = efx_mae_match_specs_class_cmp(sa->nic, left, right,
+ &have_same_class);
+
+ return (rc == 0) ? have_same_class : false;
+}
+
+static int
+sfc_mae_action_rule_class_verify(struct sfc_adapter *sa,
+ struct sfc_flow_spec_mae *spec)
+{
+ const struct rte_flow *entry;
+
+ TAILQ_FOREACH_REVERSE(entry, &sa->flow_list, sfc_flow_list, entries) {
+ const struct sfc_flow_spec *entry_spec = &entry->spec;
+ const struct sfc_flow_spec_mae *es_mae = &entry_spec->mae;
+ const efx_mae_match_spec_t *left = es_mae->match_spec;
+ const efx_mae_match_spec_t *right = spec->match_spec;
+
+ switch (entry_spec->type) {
+ case SFC_FLOW_SPEC_FILTER:
+ /* Ignore VNIC-level flows */
+ break;
+ case SFC_FLOW_SPEC_MAE:
+ if (sfc_mae_rules_class_cmp(sa, left, right))
+ return 0;
+ break;
+ default:
+ SFC_ASSERT(false);
+ }
+ }
+
+ sfc_info(sa, "for now, the HW doesn't support rule validation, and HW "
+ "support for inner frame pattern items is not guaranteed; "
+ "other than that, the items are valid from SW standpoint");
+ return 0;
+}
+
+/**
+ * Confirm that a given flow can be accepted by the FW.
+ *
+ * @param sa
+ * Software adapter context
+ * @param flow
+ * Flow to be verified
+ * @return
+ * Zero on success and non-zero in the case of error.
+ * A special value of EAGAIN indicates that the adapter is
+ * not in started state. This state is compulsory because
+ * it only makes sense to compare the rule class of the flow
+ * being validated with classes of the active rules.
+ * Such classes are wittingly supported by the FW.
+ */
+int
+sfc_mae_flow_verify(struct sfc_adapter *sa,
+ struct rte_flow *flow)
+{
+ struct sfc_flow_spec *spec = &flow->spec;
+ struct sfc_flow_spec_mae *spec_mae = &spec->mae;
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ if (sa->state != SFC_ADAPTER_STARTED)
+ return EAGAIN;
+
+ return sfc_mae_action_rule_class_verify(sa, spec_mae);
+}
+
+int
+sfc_mae_flow_insert(struct sfc_adapter *sa,
+ struct rte_flow *flow)
+{
+ struct sfc_flow_spec *spec = &flow->spec;
+ struct sfc_flow_spec_mae *spec_mae = &spec->mae;
+ struct sfc_mae_action_set *action_set = spec_mae->action_set;
+ struct sfc_mae_fw_rsrc *fw_rsrc = &action_set->fw_rsrc;
+ int rc;
+
+ SFC_ASSERT(spec_mae->rule_id.id == EFX_MAE_RSRC_ID_INVALID);
+ SFC_ASSERT(action_set != NULL);
+
+ rc = sfc_mae_action_set_enable(sa, action_set);
+ if (rc != 0)
+ goto fail_action_set_enable;
+
+ rc = efx_mae_action_rule_insert(sa->nic, spec_mae->match_spec,
+ NULL, &fw_rsrc->aset_id,
+ &spec_mae->rule_id);
+ if (rc != 0)
+ goto fail_action_rule_insert;
+
+ return 0;
+
+fail_action_rule_insert:
+ (void)sfc_mae_action_set_disable(sa, action_set);
+
+fail_action_set_enable:
+ return rc;
+}
+
+int
+sfc_mae_flow_remove(struct sfc_adapter *sa,
+ struct rte_flow *flow)
+{
+ struct sfc_flow_spec *spec = &flow->spec;
+ struct sfc_flow_spec_mae *spec_mae = &spec->mae;
+ struct sfc_mae_action_set *action_set = spec_mae->action_set;
+ int rc;
+
+ SFC_ASSERT(spec_mae->rule_id.id != EFX_MAE_RSRC_ID_INVALID);
+ SFC_ASSERT(action_set != NULL);
+
+ rc = efx_mae_action_rule_remove(sa->nic, &spec_mae->rule_id);
+ if (rc != 0)
+ return rc;
+
+ spec_mae->rule_id.id = EFX_MAE_RSRC_ID_INVALID;
+
+ return sfc_mae_action_set_disable(sa, action_set);
+}
git.droids-corp.org / dpdk.git / blobdiff