mirror of https://github.com/F-Stack/f-stack.git
5998 lines
161 KiB
C
5998 lines
161 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright(c) 2019-2021 Xilinx, Inc.
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* Copyright(c) 2019 Solarflare Communications Inc.
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*
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* This software was jointly developed between OKTET Labs (under contract
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* for Solarflare) and Solarflare Communications, Inc.
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*/
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#include <stdbool.h>
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#include <rte_byteorder.h>
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#include <rte_bitops.h>
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#include <rte_common.h>
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#include <rte_vxlan.h>
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#include "efx.h"
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#include "sfc.h"
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#include "sfc_flow_tunnel.h"
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#include "sfc_mae_counter.h"
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#include "sfc_mae_ct.h"
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#include "sfc_log.h"
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#include "sfc_switch.h"
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#include "sfc_service.h"
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static int
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sfc_mae_assign_ethdev_mport(struct sfc_adapter *sa,
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efx_mport_sel_t *mportp)
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{
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const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
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return efx_mae_mport_by_pcie_function(encp->enc_pf, encp->enc_vf,
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mportp);
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}
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static int
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sfc_mae_assign_entity_mport(struct sfc_adapter *sa,
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efx_mport_sel_t *mportp)
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{
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const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
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int rc = 0;
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if (encp->enc_mae_admin) {
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/*
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* This ethdev sits on MAE admin PF. The represented
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* entity is the network port assigned to that PF.
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*/
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rc = efx_mae_mport_by_phy_port(encp->enc_assigned_port, mportp);
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} else {
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/*
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* This ethdev sits on unprivileged PF / VF. The entity
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* represented by the ethdev can change dynamically
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* as MAE admin changes default traffic rules.
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*
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* For the sake of simplicity, do not fill in the m-port
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* and assume that flow rules should not be allowed to
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* reference the entity represented by this ethdev.
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*/
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efx_mae_mport_invalid(mportp);
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}
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return rc;
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}
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static int
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sfc_mae_counter_registry_init(struct sfc_mae_counter_registry *registry,
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uint32_t nb_action_counters_max,
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uint32_t nb_conntrack_counters_max)
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{
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int ret;
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ret = sfc_mae_counters_init(®istry->action_counters,
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nb_action_counters_max);
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if (ret != 0)
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return ret;
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registry->action_counters.type = EFX_COUNTER_TYPE_ACTION;
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ret = sfc_mae_counters_init(®istry->conntrack_counters,
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nb_conntrack_counters_max);
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if (ret != 0)
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return ret;
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registry->conntrack_counters.type = EFX_COUNTER_TYPE_CONNTRACK;
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return 0;
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}
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static void
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sfc_mae_counter_registry_fini(struct sfc_mae_counter_registry *registry)
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{
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sfc_mae_counters_fini(®istry->conntrack_counters);
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sfc_mae_counters_fini(®istry->action_counters);
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}
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struct rte_flow *
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sfc_mae_repr_flow_create(struct sfc_adapter *sa, int prio, uint16_t port_id,
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enum rte_flow_action_type dst_type,
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enum rte_flow_item_type src_type)
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{
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const struct rte_flow_item_ethdev item_spec = { .port_id = port_id };
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const struct rte_flow_action_ethdev action = { .port_id = port_id };
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const void *item_mask = &rte_flow_item_ethdev_mask;
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struct rte_flow_attr attr = { .transfer = 1 };
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const struct rte_flow_action actions[] = {
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{ .type = dst_type, .conf = &action },
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{ .type = RTE_FLOW_ACTION_TYPE_END }
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};
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const struct rte_flow_item items[] = {
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{ .type = src_type, .mask = item_mask, .spec = &item_spec },
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{ .type = RTE_FLOW_ITEM_TYPE_END }
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};
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struct sfc_mae *mae = &sa->mae;
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struct rte_flow_error error;
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if (prio > 0 && (unsigned int)prio >= mae->nb_action_rule_prios_max) {
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sfc_err(sa, "failed: invalid priority %d (max %u)", prio,
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mae->nb_action_rule_prios_max);
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return NULL;
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}
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if (prio < 0)
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prio = mae->nb_action_rule_prios_max - 1;
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attr.priority = prio;
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return sfc_flow_create_locked(sa, true, &attr, items, actions, &error);
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}
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void
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sfc_mae_repr_flow_destroy(struct sfc_adapter *sa, struct rte_flow *flow)
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{
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struct rte_flow_error error;
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int rc;
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rc = sfc_flow_destroy_locked(sa, flow, &error);
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if (rc != 0)
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sfc_err(sa, "failed to destroy the internal flow");
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}
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int
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sfc_mae_attach(struct sfc_adapter *sa)
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{
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struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
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struct sfc_mae_switch_port_request switch_port_request = {0};
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const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
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efx_mport_sel_t ethdev_mport;
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efx_mport_sel_t entity_mport;
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struct sfc_mae *mae = &sa->mae;
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struct sfc_mae_bounce_eh *bounce_eh = &mae->bounce_eh;
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efx_mae_limits_t limits;
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int rc;
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sfc_log_init(sa, "entry");
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if (!encp->enc_mae_supported) {
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mae->status = SFC_MAE_STATUS_UNSUPPORTED;
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return 0;
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}
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if (encp->enc_mae_admin) {
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sfc_log_init(sa, "init MAE");
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rc = efx_mae_init(sa->nic);
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if (rc != 0)
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goto fail_mae_init;
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sfc_log_init(sa, "get MAE limits");
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rc = efx_mae_get_limits(sa->nic, &limits);
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if (rc != 0)
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goto fail_mae_get_limits;
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sfc_log_init(sa, "init MAE counter record registry");
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rc = sfc_mae_counter_registry_init(&mae->counter_registry,
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limits.eml_max_n_action_counters,
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limits.eml_max_n_conntrack_counters);
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if (rc != 0) {
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sfc_err(sa, "failed to init record registry for %u AR and %u CT counters: %s",
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limits.eml_max_n_action_counters,
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limits.eml_max_n_conntrack_counters,
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rte_strerror(rc));
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goto fail_counter_registry_init;
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}
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}
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sfc_log_init(sa, "assign ethdev MPORT");
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rc = sfc_mae_assign_ethdev_mport(sa, ðdev_mport);
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if (rc != 0)
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goto fail_mae_assign_ethdev_mport;
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sfc_log_init(sa, "assign entity MPORT");
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rc = sfc_mae_assign_entity_mport(sa, &entity_mport);
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if (rc != 0)
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goto fail_mae_assign_entity_mport;
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sfc_log_init(sa, "assign RTE switch domain");
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rc = sfc_mae_assign_switch_domain(sa, &mae->switch_domain_id);
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if (rc != 0)
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goto fail_mae_assign_switch_domain;
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sfc_log_init(sa, "assign RTE switch port");
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switch_port_request.type = SFC_MAE_SWITCH_PORT_INDEPENDENT;
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switch_port_request.ethdev_mportp = ðdev_mport;
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switch_port_request.entity_mportp = &entity_mport;
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switch_port_request.ethdev_port_id = sas->port_id;
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switch_port_request.port_data.indep.mae_admin =
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encp->enc_mae_admin == B_TRUE;
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rc = sfc_mae_assign_switch_port(mae->switch_domain_id,
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&switch_port_request,
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&mae->switch_port_id);
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if (rc != 0)
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goto fail_mae_assign_switch_port;
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if (encp->enc_mae_admin) {
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sfc_log_init(sa, "allocate encap. header bounce buffer");
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bounce_eh->buf_size = limits.eml_encap_header_size_limit;
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bounce_eh->buf = rte_malloc("sfc_mae_bounce_eh",
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bounce_eh->buf_size, 0);
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if (bounce_eh->buf == NULL) {
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rc = ENOMEM;
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goto fail_mae_alloc_bounce_eh;
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}
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sfc_log_init(sa, "allocate bounce action set pointer array");
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mae->bounce_aset_ptrs = rte_calloc("sfc_mae_bounce_aset_ptrs",
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EFX_MAE_ACTION_SET_LIST_MAX_NENTRIES,
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sizeof(*mae->bounce_aset_ptrs), 0);
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if (mae->bounce_aset_ptrs == NULL) {
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rc = ENOMEM;
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goto fail_mae_alloc_bounce_aset_ptrs;
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}
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sfc_log_init(sa, "allocate bounce action set contexts");
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mae->bounce_aset_ctxs = rte_calloc("sfc_mae_bounce_aset_ctxs",
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EFX_MAE_ACTION_SET_LIST_MAX_NENTRIES,
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sizeof(*mae->bounce_aset_ctxs), 0);
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if (mae->bounce_aset_ctxs == NULL) {
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rc = ENOMEM;
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goto fail_mae_alloc_bounce_aset_ctxs;
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}
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sfc_log_init(sa, "allocate bounce action set ID array");
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mae->bounce_aset_ids = rte_calloc("sfc_mae_bounce_aset_ids",
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EFX_MAE_ACTION_SET_LIST_MAX_NENTRIES,
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sizeof(*mae->bounce_aset_ids), 0);
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if (mae->bounce_aset_ids == NULL) {
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rc = ENOMEM;
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goto fail_mae_alloc_bounce_aset_ids;
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}
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mae->nb_outer_rule_prios_max = limits.eml_max_n_outer_prios;
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mae->nb_action_rule_prios_max = limits.eml_max_n_action_prios;
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mae->encap_types_supported = limits.eml_encap_types_supported;
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}
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TAILQ_INIT(&mae->outer_rules);
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TAILQ_INIT(&mae->mac_addrs);
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TAILQ_INIT(&mae->encap_headers);
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TAILQ_INIT(&mae->counters);
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TAILQ_INIT(&mae->action_sets);
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TAILQ_INIT(&mae->action_set_lists);
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TAILQ_INIT(&mae->action_rules);
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if (encp->enc_mae_admin)
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mae->status = SFC_MAE_STATUS_ADMIN;
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else
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mae->status = SFC_MAE_STATUS_SUPPORTED;
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sfc_log_init(sa, "done");
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return 0;
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fail_mae_alloc_bounce_aset_ids:
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rte_free(mae->bounce_aset_ctxs);
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fail_mae_alloc_bounce_aset_ctxs:
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rte_free(mae->bounce_aset_ptrs);
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fail_mae_alloc_bounce_aset_ptrs:
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rte_free(mae->bounce_eh.buf);
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fail_mae_alloc_bounce_eh:
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fail_mae_assign_switch_port:
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fail_mae_assign_switch_domain:
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fail_mae_assign_entity_mport:
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fail_mae_assign_ethdev_mport:
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if (encp->enc_mae_admin)
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sfc_mae_counter_registry_fini(&mae->counter_registry);
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fail_counter_registry_init:
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fail_mae_get_limits:
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if (encp->enc_mae_admin)
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efx_mae_fini(sa->nic);
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fail_mae_init:
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sfc_log_init(sa, "failed %d", rc);
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return rc;
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}
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void
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sfc_mae_detach(struct sfc_adapter *sa)
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{
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struct sfc_mae *mae = &sa->mae;
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enum sfc_mae_status status_prev = mae->status;
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sfc_log_init(sa, "entry");
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mae->nb_action_rule_prios_max = 0;
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mae->status = SFC_MAE_STATUS_UNKNOWN;
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if (status_prev != SFC_MAE_STATUS_ADMIN)
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return;
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rte_free(mae->bounce_aset_ids);
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rte_free(mae->bounce_aset_ctxs);
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rte_free(mae->bounce_aset_ptrs);
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rte_free(mae->bounce_eh.buf);
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sfc_mae_counter_registry_fini(&mae->counter_registry);
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efx_mae_fini(sa->nic);
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sfc_log_init(sa, "done");
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}
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static struct sfc_mae_outer_rule *
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sfc_mae_outer_rule_attach(struct sfc_adapter *sa,
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const efx_mae_match_spec_t *match_spec,
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efx_tunnel_protocol_t encap_type)
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{
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struct sfc_mae_outer_rule *rule;
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struct sfc_mae *mae = &sa->mae;
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SFC_ASSERT(sfc_adapter_is_locked(sa));
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TAILQ_FOREACH(rule, &mae->outer_rules, entries) {
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if (efx_mae_match_specs_equal(rule->match_spec, match_spec) &&
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rule->encap_type == encap_type) {
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sfc_dbg(sa, "attaching to outer_rule=%p", rule);
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++(rule->refcnt);
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return rule;
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}
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}
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return NULL;
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}
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static int
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sfc_mae_outer_rule_add(struct sfc_adapter *sa,
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efx_mae_match_spec_t *match_spec,
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efx_tunnel_protocol_t encap_type,
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struct sfc_mae_outer_rule **rulep)
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{
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struct sfc_mae_outer_rule *rule;
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struct sfc_mae *mae = &sa->mae;
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SFC_ASSERT(sfc_adapter_is_locked(sa));
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rule = rte_zmalloc("sfc_mae_outer_rule", sizeof(*rule), 0);
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if (rule == NULL)
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return ENOMEM;
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rule->refcnt = 1;
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rule->match_spec = match_spec;
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rule->encap_type = encap_type;
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rule->fw_rsrc.rule_id.id = EFX_MAE_RSRC_ID_INVALID;
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TAILQ_INSERT_TAIL(&mae->outer_rules, rule, entries);
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*rulep = rule;
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sfc_dbg(sa, "added outer_rule=%p", rule);
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return 0;
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}
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static void
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sfc_mae_outer_rule_del(struct sfc_adapter *sa,
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struct sfc_mae_outer_rule *rule)
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{
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struct sfc_mae *mae = &sa->mae;
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if (rule == NULL)
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return;
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SFC_ASSERT(sfc_adapter_is_locked(sa));
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SFC_ASSERT(rule->refcnt != 0);
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--(rule->refcnt);
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if (rule->refcnt != 0)
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return;
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if (rule->fw_rsrc.rule_id.id != EFX_MAE_RSRC_ID_INVALID ||
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rule->fw_rsrc.refcnt != 0) {
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sfc_err(sa, "deleting outer_rule=%p abandons its FW resource: OR_ID=0x%08x, refcnt=%u",
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rule, rule->fw_rsrc.rule_id.id, rule->fw_rsrc.refcnt);
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}
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|
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efx_mae_match_spec_fini(sa->nic, rule->match_spec);
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TAILQ_REMOVE(&mae->outer_rules, rule, entries);
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sfc_dbg(sa, "deleted outer_rule=%p", rule);
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rte_free(rule);
|
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}
|
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|
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static int
|
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sfc_mae_outer_rule_enable(struct sfc_adapter *sa,
|
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struct sfc_mae_outer_rule *rule,
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efx_mae_match_spec_t *match_spec_action)
|
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{
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struct sfc_mae_fw_rsrc *fw_rsrc;
|
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int rc;
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|
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if (rule == NULL)
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return 0;
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|
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SFC_ASSERT(sfc_adapter_is_locked(sa));
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|
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fw_rsrc = &rule->fw_rsrc;
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|
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if (fw_rsrc->refcnt == 0) {
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SFC_ASSERT(fw_rsrc->rule_id.id == EFX_MAE_RSRC_ID_INVALID);
|
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SFC_ASSERT(rule->match_spec != NULL);
|
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|
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rc = efx_mae_outer_rule_insert(sa->nic, rule->match_spec,
|
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rule->encap_type,
|
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&fw_rsrc->rule_id);
|
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if (rc != 0) {
|
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sfc_err(sa, "failed to enable outer_rule=%p: %s",
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rule, strerror(rc));
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return rc;
|
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}
|
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}
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|
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if (match_spec_action == NULL)
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goto skip_action_rule;
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|
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rc = efx_mae_match_spec_outer_rule_id_set(match_spec_action,
|
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&fw_rsrc->rule_id);
|
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if (rc != 0) {
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if (fw_rsrc->refcnt == 0) {
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(void)efx_mae_outer_rule_remove(sa->nic,
|
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&fw_rsrc->rule_id);
|
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fw_rsrc->rule_id.id = EFX_MAE_RSRC_ID_INVALID;
|
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}
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|
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sfc_err(sa, "can't match on outer rule ID: %s", strerror(rc));
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|
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return rc;
|
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}
|
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|
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skip_action_rule:
|
|
if (fw_rsrc->refcnt == 0) {
|
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sfc_dbg(sa, "enabled outer_rule=%p: OR_ID=0x%08x",
|
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rule, fw_rsrc->rule_id.id);
|
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}
|
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|
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++(fw_rsrc->refcnt);
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|
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return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_outer_rule_disable(struct sfc_adapter *sa,
|
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struct sfc_mae_outer_rule *rule,
|
|
efx_mae_match_spec_t *match_spec_action)
|
|
{
|
|
efx_mae_rule_id_t invalid_rule_id = { .id = EFX_MAE_RSRC_ID_INVALID };
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
if (rule == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &rule->fw_rsrc;
|
|
|
|
if (match_spec_action == NULL)
|
|
goto skip_action_rule;
|
|
|
|
rc = efx_mae_match_spec_outer_rule_id_set(match_spec_action,
|
|
&invalid_rule_id);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "cannot restore match on invalid outer rule ID: %s",
|
|
strerror(rc));
|
|
return;
|
|
}
|
|
|
|
skip_action_rule:
|
|
if (fw_rsrc->rule_id.id == EFX_MAE_RSRC_ID_INVALID ||
|
|
fw_rsrc->refcnt == 0) {
|
|
sfc_err(sa, "failed to disable outer_rule=%p: already disabled; OR_ID=0x%08x, refcnt=%u",
|
|
rule, fw_rsrc->rule_id.id, fw_rsrc->refcnt);
|
|
return;
|
|
}
|
|
|
|
if (fw_rsrc->refcnt == 1) {
|
|
rc = efx_mae_outer_rule_remove(sa->nic, &fw_rsrc->rule_id);
|
|
if (rc == 0) {
|
|
sfc_dbg(sa, "disabled outer_rule=%p with OR_ID=0x%08x",
|
|
rule, fw_rsrc->rule_id.id);
|
|
} else {
|
|
sfc_err(sa, "failed to disable outer_rule=%p with OR_ID=0x%08x: %s",
|
|
rule, fw_rsrc->rule_id.id, strerror(rc));
|
|
}
|
|
fw_rsrc->rule_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
}
|
|
|
|
--(fw_rsrc->refcnt);
|
|
}
|
|
|
|
static struct sfc_mae_mac_addr *
|
|
sfc_mae_mac_addr_attach(struct sfc_adapter *sa,
|
|
const uint8_t addr_bytes[EFX_MAC_ADDR_LEN])
|
|
{
|
|
struct sfc_mae_mac_addr *mac_addr;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
TAILQ_FOREACH(mac_addr, &mae->mac_addrs, entries) {
|
|
if (memcmp(mac_addr->addr_bytes, addr_bytes,
|
|
EFX_MAC_ADDR_LEN) == 0) {
|
|
sfc_dbg(sa, "attaching to mac_addr=%p", mac_addr);
|
|
++(mac_addr->refcnt);
|
|
return mac_addr;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_mac_addr_add(struct sfc_adapter *sa,
|
|
const uint8_t addr_bytes[EFX_MAC_ADDR_LEN],
|
|
struct sfc_mae_mac_addr **mac_addrp)
|
|
{
|
|
struct sfc_mae_mac_addr *mac_addr;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
mac_addr = rte_zmalloc("sfc_mae_mac_addr", sizeof(*mac_addr), 0);
|
|
if (mac_addr == NULL)
|
|
return ENOMEM;
|
|
|
|
rte_memcpy(mac_addr->addr_bytes, addr_bytes, EFX_MAC_ADDR_LEN);
|
|
|
|
mac_addr->refcnt = 1;
|
|
mac_addr->fw_rsrc.mac_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
|
|
TAILQ_INSERT_TAIL(&mae->mac_addrs, mac_addr, entries);
|
|
|
|
*mac_addrp = mac_addr;
|
|
|
|
sfc_dbg(sa, "added mac_addr=%p", mac_addr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_mac_addr_del(struct sfc_adapter *sa, struct sfc_mae_mac_addr *mac_addr)
|
|
{
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
if (mac_addr == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
SFC_ASSERT(mac_addr->refcnt != 0);
|
|
|
|
--(mac_addr->refcnt);
|
|
|
|
if (mac_addr->refcnt != 0)
|
|
return;
|
|
|
|
if (mac_addr->fw_rsrc.mac_id.id != EFX_MAE_RSRC_ID_INVALID ||
|
|
mac_addr->fw_rsrc.refcnt != 0) {
|
|
sfc_err(sa, "deleting mac_addr=%p abandons its FW resource: MAC_ID=0x%08x, refcnt=%u",
|
|
mac_addr, mac_addr->fw_rsrc.mac_id.id,
|
|
mac_addr->fw_rsrc.refcnt);
|
|
}
|
|
|
|
TAILQ_REMOVE(&mae->mac_addrs, mac_addr, entries);
|
|
sfc_dbg(sa, "deleted mac_addr=%p", mac_addr);
|
|
rte_free(mac_addr);
|
|
}
|
|
|
|
enum sfc_mae_mac_addr_type {
|
|
SFC_MAE_MAC_ADDR_DST,
|
|
SFC_MAE_MAC_ADDR_SRC
|
|
};
|
|
|
|
static int
|
|
sfc_mae_mac_addr_enable(struct sfc_adapter *sa,
|
|
struct sfc_mae_mac_addr *mac_addr,
|
|
enum sfc_mae_mac_addr_type type,
|
|
efx_mae_actions_t *aset_spec)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc = 0;
|
|
|
|
if (mac_addr == NULL)
|
|
return 0;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &mac_addr->fw_rsrc;
|
|
|
|
if (fw_rsrc->refcnt == 0) {
|
|
SFC_ASSERT(fw_rsrc->mac_id.id == EFX_MAE_RSRC_ID_INVALID);
|
|
|
|
rc = efx_mae_mac_addr_alloc(sa->nic, mac_addr->addr_bytes,
|
|
&fw_rsrc->mac_id);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to enable mac_addr=%p: %s",
|
|
mac_addr, strerror(rc));
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
switch (type) {
|
|
case SFC_MAE_MAC_ADDR_DST:
|
|
rc = efx_mae_action_set_fill_in_dst_mac_id(aset_spec,
|
|
&fw_rsrc->mac_id);
|
|
break;
|
|
case SFC_MAE_MAC_ADDR_SRC:
|
|
rc = efx_mae_action_set_fill_in_src_mac_id(aset_spec,
|
|
&fw_rsrc->mac_id);
|
|
break;
|
|
default:
|
|
rc = EINVAL;
|
|
break;
|
|
}
|
|
|
|
if (rc != 0) {
|
|
if (fw_rsrc->refcnt == 0) {
|
|
(void)efx_mae_mac_addr_free(sa->nic, &fw_rsrc->mac_id);
|
|
fw_rsrc->mac_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
}
|
|
|
|
sfc_err(sa, "cannot fill in MAC address entry ID: %s",
|
|
strerror(rc));
|
|
|
|
return rc;
|
|
}
|
|
|
|
if (fw_rsrc->refcnt == 0) {
|
|
sfc_dbg(sa, "enabled mac_addr=%p: MAC_ID=0x%08x",
|
|
mac_addr, fw_rsrc->mac_id.id);
|
|
}
|
|
|
|
++(fw_rsrc->refcnt);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_mac_addr_disable(struct sfc_adapter *sa,
|
|
struct sfc_mae_mac_addr *mac_addr)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
if (mac_addr == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &mac_addr->fw_rsrc;
|
|
|
|
if (fw_rsrc->mac_id.id == EFX_MAE_RSRC_ID_INVALID ||
|
|
fw_rsrc->refcnt == 0) {
|
|
sfc_err(sa, "failed to disable mac_addr=%p: already disabled; MAC_ID=0x%08x, refcnt=%u",
|
|
mac_addr, fw_rsrc->mac_id.id, fw_rsrc->refcnt);
|
|
return;
|
|
}
|
|
|
|
if (fw_rsrc->refcnt == 1) {
|
|
rc = efx_mae_mac_addr_free(sa->nic, &fw_rsrc->mac_id);
|
|
if (rc == 0) {
|
|
sfc_dbg(sa, "disabled mac_addr=%p with MAC_ID=0x%08x",
|
|
mac_addr, fw_rsrc->mac_id.id);
|
|
} else {
|
|
sfc_err(sa, "failed to disable mac_addr=%p with MAC_ID=0x%08x: %s",
|
|
mac_addr, fw_rsrc->mac_id.id, strerror(rc));
|
|
}
|
|
fw_rsrc->mac_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
}
|
|
|
|
--(fw_rsrc->refcnt);
|
|
}
|
|
|
|
static struct sfc_mae_encap_header *
|
|
sfc_mae_encap_header_attach(struct sfc_adapter *sa,
|
|
const struct sfc_mae_bounce_eh *bounce_eh)
|
|
{
|
|
struct sfc_mae_encap_header *encap_header;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
TAILQ_FOREACH(encap_header, &mae->encap_headers, entries) {
|
|
if (encap_header->indirect)
|
|
continue;
|
|
|
|
if (encap_header->size == bounce_eh->size &&
|
|
memcmp(encap_header->buf, bounce_eh->buf,
|
|
bounce_eh->size) == 0) {
|
|
sfc_dbg(sa, "attaching to encap_header=%p",
|
|
encap_header);
|
|
++(encap_header->refcnt);
|
|
return encap_header;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_encap_header_add(struct sfc_adapter *sa,
|
|
const struct sfc_mae_bounce_eh *bounce_eh,
|
|
struct sfc_mae_encap_header **encap_headerp)
|
|
{
|
|
struct sfc_mae_encap_header *encap_header;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
encap_header = rte_zmalloc("sfc_mae_encap_header",
|
|
sizeof(*encap_header), 0);
|
|
if (encap_header == NULL)
|
|
return ENOMEM;
|
|
|
|
encap_header->size = bounce_eh->size;
|
|
|
|
encap_header->buf = rte_malloc("sfc_mae_encap_header_buf",
|
|
encap_header->size, 0);
|
|
if (encap_header->buf == NULL) {
|
|
rte_free(encap_header);
|
|
return ENOMEM;
|
|
}
|
|
|
|
rte_memcpy(encap_header->buf, bounce_eh->buf, bounce_eh->size);
|
|
|
|
encap_header->refcnt = 1;
|
|
encap_header->type = bounce_eh->type;
|
|
encap_header->fw_rsrc.eh_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
|
|
TAILQ_INSERT_TAIL(&mae->encap_headers, encap_header, entries);
|
|
|
|
*encap_headerp = encap_header;
|
|
|
|
sfc_dbg(sa, "added encap_header=%p", encap_header);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_encap_header_del(struct sfc_adapter *sa,
|
|
struct sfc_mae_encap_header *encap_header)
|
|
{
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
if (encap_header == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
SFC_ASSERT(encap_header->refcnt != 0);
|
|
|
|
--(encap_header->refcnt);
|
|
|
|
if (encap_header->refcnt != 0)
|
|
return;
|
|
|
|
if (encap_header->fw_rsrc.eh_id.id != EFX_MAE_RSRC_ID_INVALID ||
|
|
encap_header->fw_rsrc.refcnt != 0) {
|
|
sfc_err(sa, "deleting encap_header=%p abandons its FW resource: EH_ID=0x%08x, refcnt=%u",
|
|
encap_header, encap_header->fw_rsrc.eh_id.id,
|
|
encap_header->fw_rsrc.refcnt);
|
|
}
|
|
|
|
TAILQ_REMOVE(&mae->encap_headers, encap_header, entries);
|
|
sfc_dbg(sa, "deleted encap_header=%p", encap_header);
|
|
|
|
rte_free(encap_header->buf);
|
|
rte_free(encap_header);
|
|
}
|
|
|
|
static int
|
|
sfc_mae_encap_header_update(struct sfc_adapter *sa,
|
|
struct sfc_mae_encap_header *encap_header)
|
|
{
|
|
const struct sfc_mae_bounce_eh *bounce_eh = &sa->mae.bounce_eh;
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
uint8_t *buf;
|
|
int ret;
|
|
|
|
if (bounce_eh->type != encap_header->type ||
|
|
bounce_eh->size == 0)
|
|
return EINVAL;
|
|
|
|
buf = rte_malloc("sfc_mae_encap_header_buf", bounce_eh->size, 0);
|
|
if (buf == NULL)
|
|
return ENOMEM;
|
|
|
|
rte_memcpy(buf, bounce_eh->buf, bounce_eh->size);
|
|
|
|
fw_rsrc = &encap_header->fw_rsrc;
|
|
|
|
if (fw_rsrc->refcnt > 0) {
|
|
SFC_ASSERT(fw_rsrc->eh_id.id != EFX_MAE_RSRC_ID_INVALID);
|
|
|
|
ret = efx_mae_encap_header_update(sa->nic, &fw_rsrc->eh_id,
|
|
encap_header->type, buf,
|
|
bounce_eh->size);
|
|
if (ret != 0) {
|
|
sfc_err(sa, "failed to update encap_header=%p: %s",
|
|
encap_header, strerror(ret));
|
|
rte_free(buf);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
encap_header->size = bounce_eh->size;
|
|
rte_free(encap_header->buf);
|
|
encap_header->buf = buf;
|
|
|
|
sfc_dbg(sa, "updated encap_header=%p", encap_header);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_encap_header_enable(struct sfc_adapter *sa,
|
|
struct sfc_mae_encap_header *encap_header,
|
|
efx_mae_actions_t *action_set_spec)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
if (encap_header == NULL)
|
|
return 0;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &encap_header->fw_rsrc;
|
|
|
|
if (fw_rsrc->refcnt == 0) {
|
|
SFC_ASSERT(fw_rsrc->eh_id.id == EFX_MAE_RSRC_ID_INVALID);
|
|
SFC_ASSERT(encap_header->buf != NULL);
|
|
SFC_ASSERT(encap_header->size != 0);
|
|
|
|
rc = efx_mae_encap_header_alloc(sa->nic, encap_header->type,
|
|
encap_header->buf,
|
|
encap_header->size,
|
|
&fw_rsrc->eh_id);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to enable encap_header=%p: %s",
|
|
encap_header, strerror(rc));
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
rc = efx_mae_action_set_fill_in_eh_id(action_set_spec,
|
|
&fw_rsrc->eh_id);
|
|
if (rc != 0) {
|
|
if (fw_rsrc->refcnt == 0) {
|
|
(void)efx_mae_encap_header_free(sa->nic,
|
|
&fw_rsrc->eh_id);
|
|
fw_rsrc->eh_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
}
|
|
|
|
sfc_err(sa, "can't fill in encap. header ID: %s", strerror(rc));
|
|
|
|
return rc;
|
|
}
|
|
|
|
if (fw_rsrc->refcnt == 0) {
|
|
sfc_dbg(sa, "enabled encap_header=%p: EH_ID=0x%08x",
|
|
encap_header, fw_rsrc->eh_id.id);
|
|
}
|
|
|
|
++(fw_rsrc->refcnt);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_encap_header_disable(struct sfc_adapter *sa,
|
|
struct sfc_mae_encap_header *encap_header)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
if (encap_header == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &encap_header->fw_rsrc;
|
|
|
|
if (fw_rsrc->eh_id.id == EFX_MAE_RSRC_ID_INVALID ||
|
|
fw_rsrc->refcnt == 0) {
|
|
sfc_err(sa, "failed to disable encap_header=%p: already disabled; EH_ID=0x%08x, refcnt=%u",
|
|
encap_header, fw_rsrc->eh_id.id, fw_rsrc->refcnt);
|
|
return;
|
|
}
|
|
|
|
if (fw_rsrc->refcnt == 1) {
|
|
rc = efx_mae_encap_header_free(sa->nic, &fw_rsrc->eh_id);
|
|
if (rc == 0) {
|
|
sfc_dbg(sa, "disabled encap_header=%p with EH_ID=0x%08x",
|
|
encap_header, fw_rsrc->eh_id.id);
|
|
} else {
|
|
sfc_err(sa, "failed to disable encap_header=%p with EH_ID=0x%08x: %s",
|
|
encap_header, fw_rsrc->eh_id.id, strerror(rc));
|
|
}
|
|
fw_rsrc->eh_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
}
|
|
|
|
--(fw_rsrc->refcnt);
|
|
}
|
|
|
|
static int
|
|
sfc_mae_counter_add(struct sfc_adapter *sa,
|
|
const struct sfc_mae_counter *counter_tmp,
|
|
struct sfc_mae_counter **counterp)
|
|
{
|
|
struct sfc_mae_counter *counter;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
counter = rte_zmalloc("sfc_mae_counter", sizeof(*counter), 0);
|
|
if (counter == NULL)
|
|
return ENOMEM;
|
|
|
|
if (counter_tmp != NULL) {
|
|
counter->rte_id_valid = counter_tmp->rte_id_valid;
|
|
counter->rte_id = counter_tmp->rte_id;
|
|
counter->type = counter_tmp->type;
|
|
} else {
|
|
counter->type = EFX_COUNTER_TYPE_ACTION;
|
|
}
|
|
|
|
counter->fw_rsrc.counter_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
counter->refcnt = 1;
|
|
|
|
TAILQ_INSERT_TAIL(&mae->counters, counter, entries);
|
|
*counterp = counter;
|
|
|
|
sfc_dbg(sa, "added counter=%p", counter);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_counter_del(struct sfc_adapter *sa, struct sfc_mae_counter *counter)
|
|
{
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
if (counter == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
SFC_ASSERT(counter->refcnt != 0);
|
|
|
|
--(counter->refcnt);
|
|
|
|
if (counter->refcnt != 0)
|
|
return;
|
|
|
|
if (counter->fw_rsrc.counter_id.id != EFX_MAE_RSRC_ID_INVALID ||
|
|
counter->fw_rsrc.refcnt != 0) {
|
|
sfc_err(sa, "deleting counter=%p abandons its FW resource: COUNTER_ID=0x%x-#%u, refcnt=%u",
|
|
counter, counter->type, counter->fw_rsrc.counter_id.id,
|
|
counter->fw_rsrc.refcnt);
|
|
}
|
|
|
|
TAILQ_REMOVE(&mae->counters, counter, entries);
|
|
sfc_dbg(sa, "deleted counter=%p", counter);
|
|
rte_free(counter);
|
|
}
|
|
|
|
static int
|
|
sfc_mae_counter_enable(struct sfc_adapter *sa, struct sfc_mae_counter *counter,
|
|
efx_mae_actions_t *action_set_spec)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
if (counter == NULL)
|
|
return 0;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &counter->fw_rsrc;
|
|
|
|
if (fw_rsrc->refcnt == 0) {
|
|
SFC_ASSERT(fw_rsrc->counter_id.id == EFX_MAE_RSRC_ID_INVALID);
|
|
|
|
rc = sfc_mae_counter_fw_rsrc_enable(sa, counter);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to enable counter=%p: %s",
|
|
counter, rte_strerror(rc));
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
if (action_set_spec != NULL) {
|
|
rc = efx_mae_action_set_fill_in_counter_id(
|
|
action_set_spec, &fw_rsrc->counter_id);
|
|
if (rc != 0) {
|
|
if (fw_rsrc->refcnt == 0) {
|
|
(void)sfc_mae_counter_fw_rsrc_disable(sa, counter);
|
|
fw_rsrc->counter_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
}
|
|
|
|
sfc_err(sa, "cannot fill in counter ID: %s",
|
|
strerror(rc));
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
if (fw_rsrc->refcnt == 0) {
|
|
sfc_dbg(sa, "enabled counter=%p: COUNTER_ID=0x%x-#%u",
|
|
counter, counter->type, fw_rsrc->counter_id.id);
|
|
}
|
|
|
|
++(fw_rsrc->refcnt);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_counter_disable(struct sfc_adapter *sa, struct sfc_mae_counter *counter)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
if (counter == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &counter->fw_rsrc;
|
|
|
|
if (fw_rsrc->counter_id.id == EFX_MAE_RSRC_ID_INVALID ||
|
|
fw_rsrc->refcnt == 0) {
|
|
sfc_err(sa, "failed to disable counter=%p: already disabled; COUNTER_ID=0x%x-#%u, refcnt=%u",
|
|
counter, counter->type, fw_rsrc->counter_id.id, fw_rsrc->refcnt);
|
|
return;
|
|
}
|
|
|
|
if (fw_rsrc->refcnt == 1) {
|
|
uint32_t counter_id = fw_rsrc->counter_id.id;
|
|
|
|
rc = sfc_mae_counter_fw_rsrc_disable(sa, counter);
|
|
if (rc == 0) {
|
|
sfc_dbg(sa, "disabled counter=%p with COUNTER_ID=0x%x-#%u",
|
|
counter, counter->type, counter_id);
|
|
} else {
|
|
sfc_err(sa, "failed to disable counter=%p with COUNTER_ID=0x%x-#%u: %s",
|
|
counter, counter->type, counter_id, strerror(rc));
|
|
}
|
|
|
|
fw_rsrc->counter_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
}
|
|
|
|
--(fw_rsrc->refcnt);
|
|
}
|
|
|
|
static struct sfc_mae_action_set *
|
|
sfc_mae_action_set_attach(struct sfc_adapter *sa,
|
|
const struct sfc_mae_aset_ctx *ctx)
|
|
{
|
|
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 (action_set->encap_header == ctx->encap_header &&
|
|
action_set->dst_mac_addr == ctx->dst_mac &&
|
|
action_set->src_mac_addr == ctx->src_mac &&
|
|
action_set->counter == ctx->counter &&
|
|
efx_mae_action_set_specs_equal(action_set->spec,
|
|
ctx->spec)) {
|
|
sfc_dbg(sa, "attaching to action_set=%p", action_set);
|
|
++(action_set->refcnt);
|
|
return action_set;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_action_set_add(struct sfc_adapter *sa,
|
|
const struct sfc_mae_aset_ctx *ctx,
|
|
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) {
|
|
sfc_err(sa, "failed to alloc action set");
|
|
return ENOMEM;
|
|
}
|
|
|
|
action_set->refcnt = 1;
|
|
action_set->spec = ctx->spec;
|
|
action_set->encap_header = ctx->encap_header;
|
|
action_set->dst_mac_addr = ctx->dst_mac;
|
|
action_set->src_mac_addr = ctx->src_mac;
|
|
action_set->counter = ctx->counter;
|
|
|
|
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;
|
|
|
|
sfc_dbg(sa, "added action_set=%p", 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;
|
|
|
|
if (action_set == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
SFC_ASSERT(action_set->refcnt != 0);
|
|
|
|
--(action_set->refcnt);
|
|
|
|
if (action_set->refcnt != 0)
|
|
return;
|
|
|
|
if (action_set->fw_rsrc.aset_id.id != EFX_MAE_RSRC_ID_INVALID ||
|
|
action_set->fw_rsrc.refcnt != 0) {
|
|
sfc_err(sa, "deleting action_set=%p abandons its FW resource: AS_ID=0x%08x, refcnt=%u",
|
|
action_set, action_set->fw_rsrc.aset_id.id,
|
|
action_set->fw_rsrc.refcnt);
|
|
}
|
|
|
|
efx_mae_action_set_spec_fini(sa->nic, action_set->spec);
|
|
sfc_mae_encap_header_del(sa, action_set->encap_header);
|
|
sfc_mae_mac_addr_del(sa, action_set->dst_mac_addr);
|
|
sfc_mae_mac_addr_del(sa, action_set->src_mac_addr);
|
|
sfc_mae_counter_del(sa, action_set->counter);
|
|
TAILQ_REMOVE(&mae->action_sets, action_set, entries);
|
|
sfc_dbg(sa, "deleted action_set=%p", action_set);
|
|
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_encap_header *encap_header;
|
|
struct sfc_mae_mac_addr *dst_mac_addr;
|
|
struct sfc_mae_mac_addr *src_mac_addr;
|
|
struct sfc_mae_counter *counter;
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
if (action_set == NULL)
|
|
return 0;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
encap_header = action_set->encap_header;
|
|
dst_mac_addr = action_set->dst_mac_addr;
|
|
src_mac_addr = action_set->src_mac_addr;
|
|
fw_rsrc = &action_set->fw_rsrc;
|
|
counter = action_set->counter;
|
|
|
|
if (fw_rsrc->refcnt == 0) {
|
|
SFC_ASSERT(fw_rsrc->aset_id.id == EFX_MAE_RSRC_ID_INVALID);
|
|
SFC_ASSERT(action_set->spec != NULL);
|
|
|
|
rc = sfc_mae_mac_addr_enable(sa, dst_mac_addr,
|
|
SFC_MAE_MAC_ADDR_DST,
|
|
action_set->spec);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
rc = sfc_mae_mac_addr_enable(sa, src_mac_addr,
|
|
SFC_MAE_MAC_ADDR_SRC,
|
|
action_set->spec);
|
|
if (rc != 0) {
|
|
sfc_mae_mac_addr_disable(sa, dst_mac_addr);
|
|
return rc;
|
|
}
|
|
|
|
rc = sfc_mae_encap_header_enable(sa, encap_header,
|
|
action_set->spec);
|
|
if (rc != 0) {
|
|
sfc_mae_mac_addr_disable(sa, src_mac_addr);
|
|
sfc_mae_mac_addr_disable(sa, dst_mac_addr);
|
|
return rc;
|
|
}
|
|
|
|
if (counter != NULL) {
|
|
rc = sfc_mae_counter_start(sa);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to start MAE counters support: %s",
|
|
rte_strerror(rc));
|
|
sfc_mae_encap_header_disable(sa, encap_header);
|
|
sfc_mae_mac_addr_disable(sa, src_mac_addr);
|
|
sfc_mae_mac_addr_disable(sa, dst_mac_addr);
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
rc = sfc_mae_counter_enable(sa, counter, action_set->spec);
|
|
if (rc != 0) {
|
|
sfc_mae_encap_header_disable(sa, encap_header);
|
|
sfc_mae_mac_addr_disable(sa, src_mac_addr);
|
|
sfc_mae_mac_addr_disable(sa, dst_mac_addr);
|
|
return rc;
|
|
}
|
|
|
|
rc = efx_mae_action_set_alloc(sa->nic, action_set->spec,
|
|
&fw_rsrc->aset_id);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to enable action_set=%p: %s",
|
|
action_set, strerror(rc));
|
|
|
|
sfc_mae_encap_header_disable(sa, encap_header);
|
|
sfc_mae_mac_addr_disable(sa, src_mac_addr);
|
|
sfc_mae_mac_addr_disable(sa, dst_mac_addr);
|
|
sfc_mae_counter_disable(sa, counter);
|
|
return rc;
|
|
}
|
|
|
|
sfc_dbg(sa, "enabled action_set=%p: AS_ID=0x%08x",
|
|
action_set, fw_rsrc->aset_id.id);
|
|
}
|
|
|
|
++(fw_rsrc->refcnt);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_action_set_disable(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_set *action_set)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
if (action_set == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &action_set->fw_rsrc;
|
|
|
|
if (fw_rsrc->aset_id.id == EFX_MAE_RSRC_ID_INVALID ||
|
|
fw_rsrc->refcnt == 0) {
|
|
sfc_err(sa, "failed to disable action_set=%p: already disabled; AS_ID=0x%08x, refcnt=%u",
|
|
action_set, fw_rsrc->aset_id.id, fw_rsrc->refcnt);
|
|
return;
|
|
}
|
|
|
|
if (fw_rsrc->refcnt == 1) {
|
|
efx_mae_action_set_clear_fw_rsrc_ids(action_set->spec);
|
|
|
|
rc = efx_mae_action_set_free(sa->nic, &fw_rsrc->aset_id);
|
|
if (rc == 0) {
|
|
sfc_dbg(sa, "disabled action_set=%p with AS_ID=0x%08x",
|
|
action_set, fw_rsrc->aset_id.id);
|
|
} else {
|
|
sfc_err(sa, "failed to disable action_set=%p with AS_ID=0x%08x: %s",
|
|
action_set, fw_rsrc->aset_id.id, strerror(rc));
|
|
}
|
|
fw_rsrc->aset_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
|
|
sfc_mae_encap_header_disable(sa, action_set->encap_header);
|
|
sfc_mae_mac_addr_disable(sa, action_set->src_mac_addr);
|
|
sfc_mae_mac_addr_disable(sa, action_set->dst_mac_addr);
|
|
sfc_mae_counter_disable(sa, action_set->counter);
|
|
}
|
|
|
|
--(fw_rsrc->refcnt);
|
|
}
|
|
|
|
static struct sfc_mae_action_set_list *
|
|
sfc_mae_action_set_list_attach(struct sfc_adapter *sa)
|
|
{
|
|
struct sfc_mae_action_set_list *action_set_list;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
TAILQ_FOREACH(action_set_list, &mae->action_set_lists, entries) {
|
|
if (action_set_list->nb_action_sets != mae->nb_bounce_asets)
|
|
continue;
|
|
|
|
if (memcmp(action_set_list->action_sets, mae->bounce_aset_ptrs,
|
|
sizeof(struct sfc_mae_action_set *) *
|
|
mae->nb_bounce_asets) == 0) {
|
|
sfc_dbg(sa, "attaching to action_set_list=%p",
|
|
action_set_list);
|
|
++(action_set_list->refcnt);
|
|
return action_set_list;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_action_set_list_add(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_set_list **action_set_listp)
|
|
{
|
|
struct sfc_mae_action_set_list *action_set_list;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
action_set_list = rte_zmalloc("sfc_mae_action_set_list",
|
|
sizeof(*action_set_list), 0);
|
|
if (action_set_list == NULL) {
|
|
sfc_err(sa, "failed to allocate action set list");
|
|
return ENOMEM;
|
|
}
|
|
|
|
action_set_list->refcnt = 1;
|
|
action_set_list->nb_action_sets = mae->nb_bounce_asets;
|
|
action_set_list->fw_rsrc.aset_list_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
|
|
action_set_list->action_sets =
|
|
rte_calloc("sfc_mae_action_set_list_action_sets",
|
|
action_set_list->nb_action_sets,
|
|
sizeof(struct sfc_mae_action_set *), 0);
|
|
if (action_set_list->action_sets == NULL) {
|
|
sfc_err(sa, "failed to allocate action set list");
|
|
rte_free(action_set_list);
|
|
return ENOMEM;
|
|
}
|
|
|
|
rte_memcpy(action_set_list->action_sets, mae->bounce_aset_ptrs,
|
|
sizeof(struct sfc_mae_action_set *) *
|
|
action_set_list->nb_action_sets);
|
|
|
|
TAILQ_INSERT_TAIL(&mae->action_set_lists, action_set_list, entries);
|
|
|
|
*action_set_listp = action_set_list;
|
|
|
|
sfc_dbg(sa, "added action_set_list=%p", action_set_list);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_action_set_list_del(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_set_list *action_set_list)
|
|
{
|
|
struct sfc_mae *mae = &sa->mae;
|
|
unsigned int i;
|
|
|
|
if (action_set_list == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
SFC_ASSERT(action_set_list->refcnt != 0);
|
|
|
|
--(action_set_list->refcnt);
|
|
|
|
if (action_set_list->refcnt != 0)
|
|
return;
|
|
|
|
if (action_set_list->fw_rsrc.aset_list_id.id !=
|
|
EFX_MAE_RSRC_ID_INVALID || action_set_list->fw_rsrc.refcnt != 0) {
|
|
sfc_err(sa, "deleting action_set_list=%p abandons its FW resource: ASL_ID=0x%08x, refcnt=%u",
|
|
action_set_list,
|
|
action_set_list->fw_rsrc.aset_list_id.id,
|
|
action_set_list->fw_rsrc.refcnt);
|
|
}
|
|
|
|
for (i = 0; i < action_set_list->nb_action_sets; ++i)
|
|
sfc_mae_action_set_del(sa, action_set_list->action_sets[i]);
|
|
|
|
TAILQ_REMOVE(&mae->action_set_lists, action_set_list, entries);
|
|
sfc_dbg(sa, "deleted action_set_list=%p", action_set_list);
|
|
|
|
rte_free(action_set_list->action_sets);
|
|
rte_free(action_set_list);
|
|
}
|
|
|
|
static int
|
|
sfc_mae_action_set_list_enable(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_set_list *action_set_list)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
unsigned int i;
|
|
unsigned int j;
|
|
int rc;
|
|
|
|
if (action_set_list == NULL)
|
|
return 0;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &action_set_list->fw_rsrc;
|
|
|
|
if (fw_rsrc->refcnt == 0) {
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
SFC_ASSERT(fw_rsrc->aset_list_id.id == EFX_MAE_RSRC_ID_INVALID);
|
|
|
|
for (i = 0; i < action_set_list->nb_action_sets; ++i) {
|
|
const struct sfc_mae_fw_rsrc *as_fw_rsrc;
|
|
|
|
rc = sfc_mae_action_set_enable(sa,
|
|
action_set_list->action_sets[i]);
|
|
if (rc != 0)
|
|
goto fail_action_set_enable;
|
|
|
|
as_fw_rsrc = &action_set_list->action_sets[i]->fw_rsrc;
|
|
mae->bounce_aset_ids[i].id = as_fw_rsrc->aset_id.id;
|
|
}
|
|
|
|
rc = efx_mae_action_set_list_alloc(sa->nic,
|
|
action_set_list->nb_action_sets,
|
|
mae->bounce_aset_ids,
|
|
&fw_rsrc->aset_list_id);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to enable action_set_list=%p: %s",
|
|
action_set_list, strerror(rc));
|
|
goto fail_action_set_list_alloc;
|
|
}
|
|
|
|
sfc_dbg(sa, "enabled action_set_list=%p: ASL_ID=0x%08x",
|
|
action_set_list, fw_rsrc->aset_list_id.id);
|
|
}
|
|
|
|
++(fw_rsrc->refcnt);
|
|
|
|
return 0;
|
|
|
|
fail_action_set_list_alloc:
|
|
fail_action_set_enable:
|
|
for (j = 0; j < i; ++j)
|
|
sfc_mae_action_set_disable(sa, action_set_list->action_sets[j]);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_action_set_list_disable(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_set_list *action_set_list)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
if (action_set_list == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &action_set_list->fw_rsrc;
|
|
|
|
if (fw_rsrc->aset_list_id.id == EFX_MAE_RSRC_ID_INVALID ||
|
|
fw_rsrc->refcnt == 0) {
|
|
sfc_err(sa, "failed to disable action_set_list=%p: already disabled; ASL_ID=0x%08x, refcnt=%u",
|
|
action_set_list, fw_rsrc->aset_list_id.id,
|
|
fw_rsrc->refcnt);
|
|
return;
|
|
}
|
|
|
|
if (fw_rsrc->refcnt == 1) {
|
|
unsigned int i;
|
|
|
|
rc = efx_mae_action_set_list_free(sa->nic,
|
|
&fw_rsrc->aset_list_id);
|
|
if (rc == 0) {
|
|
sfc_dbg(sa, "disabled action_set_list=%p with ASL_ID=0x%08x",
|
|
action_set_list, fw_rsrc->aset_list_id.id);
|
|
} else {
|
|
sfc_err(sa, "failed to disable action_set_list=%p with ASL_ID=0x%08x: %s",
|
|
action_set_list, fw_rsrc->aset_list_id.id,
|
|
strerror(rc));
|
|
}
|
|
fw_rsrc->aset_list_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
|
|
for (i = 0; i < action_set_list->nb_action_sets; ++i) {
|
|
sfc_mae_action_set_disable(sa,
|
|
action_set_list->action_sets[i]);
|
|
}
|
|
}
|
|
|
|
--(fw_rsrc->refcnt);
|
|
}
|
|
|
|
struct sfc_mae_action_rule_ctx {
|
|
struct sfc_mae_outer_rule *outer_rule;
|
|
/*
|
|
* When action_set_list != NULL, action_set is NULL, and vice versa.
|
|
*/
|
|
struct sfc_mae_action_set *action_set;
|
|
struct sfc_mae_action_set_list *action_set_list;
|
|
efx_mae_match_spec_t *match_spec;
|
|
uint32_t ct_mark;
|
|
};
|
|
|
|
static int
|
|
sfc_mae_action_rule_attach(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_rule_ctx *ctx,
|
|
struct sfc_mae_action_rule **rulep,
|
|
struct rte_flow_error *error)
|
|
{
|
|
uint32_t new_ct_mark = ctx->ct_mark;
|
|
struct sfc_mae_action_rule *rule;
|
|
int rc;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
SFC_ASSERT(ctx->ct_mark <= 1);
|
|
|
|
/*
|
|
* It is assumed that the caller of this helper has already properly
|
|
* tailored ctx->match_spec to match on OR_ID / 0xffffffff (when
|
|
* ctx->outer_rule refers to a currently active outer rule) or
|
|
* on 0xffffffff / 0xffffffff, so that specs compare correctly.
|
|
*/
|
|
TAILQ_FOREACH(rule, &sa->mae.action_rules, entries) {
|
|
if (rule->ct_mark == new_ct_mark)
|
|
++new_ct_mark;
|
|
|
|
if (rule->outer_rule != ctx->outer_rule ||
|
|
rule->action_set != ctx->action_set ||
|
|
rule->action_set_list != ctx->action_set_list ||
|
|
!!rule->ct_mark != !!ctx->ct_mark)
|
|
continue;
|
|
|
|
if (ctx->ct_mark != 0) {
|
|
rc = efx_mae_match_spec_ct_mark_set(ctx->match_spec,
|
|
rule->ct_mark);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, EFAULT,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
|
|
NULL, "AR: failed to set CT mark for comparison");
|
|
}
|
|
}
|
|
|
|
if (efx_mae_match_specs_equal(rule->match_spec,
|
|
ctx->match_spec)) {
|
|
sfc_dbg(sa, "attaching to action_rule=%p", rule);
|
|
++(rule->refcnt);
|
|
*rulep = rule;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (ctx->ct_mark != 0) {
|
|
if (new_ct_mark == UINT32_MAX) {
|
|
return rte_flow_error_set(error, ERANGE,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
|
|
NULL, "AR: failed to allocate CT mark");
|
|
}
|
|
|
|
rc = efx_mae_match_spec_ct_mark_set(ctx->match_spec,
|
|
new_ct_mark);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, EFAULT,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
|
|
NULL, "AR: failed to set CT mark");
|
|
}
|
|
|
|
ctx->ct_mark = new_ct_mark;
|
|
}
|
|
|
|
/*
|
|
* No need to set RTE error, as this
|
|
* code should be handled gracefully.
|
|
*/
|
|
return -ENOENT;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_action_rule_add(struct sfc_adapter *sa,
|
|
const struct sfc_mae_action_rule_ctx *ctx,
|
|
struct sfc_mae_action_rule **rulep)
|
|
{
|
|
struct sfc_mae_action_rule *rule;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
rule = rte_zmalloc("sfc_mae_action_rule", sizeof(*rule), 0);
|
|
if (rule == NULL)
|
|
return ENOMEM;
|
|
|
|
rule->refcnt = 1;
|
|
|
|
/*
|
|
* It is assumed that the caller invoked sfc_mae_action_rule_attach()
|
|
* and got (-ENOENT) before getting here. That ensures a unique CT
|
|
* mark value or, if no CT is involved at all, simply zero.
|
|
*
|
|
* It is also assumed that match on the mark (if non-zero)
|
|
* is already set in the action rule match specification.
|
|
*/
|
|
rule->ct_mark = ctx->ct_mark;
|
|
|
|
rule->outer_rule = ctx->outer_rule;
|
|
rule->action_set = ctx->action_set;
|
|
rule->action_set_list = ctx->action_set_list;
|
|
rule->match_spec = ctx->match_spec;
|
|
|
|
rule->fw_rsrc.rule_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
|
|
TAILQ_INSERT_TAIL(&mae->action_rules, rule, entries);
|
|
|
|
*rulep = rule;
|
|
|
|
sfc_dbg(sa, "added action_rule=%p", rule);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_action_rule_del(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_rule *rule)
|
|
{
|
|
struct sfc_mae *mae = &sa->mae;
|
|
if (rule == NULL)
|
|
return;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
SFC_ASSERT(rule->refcnt != 0);
|
|
|
|
--(rule->refcnt);
|
|
|
|
if (rule->refcnt != 0)
|
|
return;
|
|
|
|
if (rule->fw_rsrc.rule_id.id != EFX_MAE_RSRC_ID_INVALID ||
|
|
rule->fw_rsrc.refcnt != 0) {
|
|
sfc_err(sa, "deleting action_rule=%p abandons its FW resource: AR_ID=0x%08x, refcnt=%u",
|
|
rule, rule->fw_rsrc.rule_id.id, rule->fw_rsrc.refcnt);
|
|
}
|
|
|
|
efx_mae_match_spec_fini(sa->nic, rule->match_spec);
|
|
sfc_mae_action_set_list_del(sa, rule->action_set_list);
|
|
sfc_mae_action_set_del(sa, rule->action_set);
|
|
sfc_mae_outer_rule_del(sa, rule->outer_rule);
|
|
|
|
TAILQ_REMOVE(&mae->action_rules, rule, entries);
|
|
sfc_dbg(sa, "deleted action_rule=%p", rule);
|
|
rte_free(rule);
|
|
}
|
|
|
|
static int
|
|
sfc_mae_action_rule_enable(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_rule *rule)
|
|
{
|
|
const efx_mae_aset_list_id_t *asl_idp = NULL;
|
|
const efx_mae_aset_id_t *as_idp = NULL;
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &rule->fw_rsrc;
|
|
|
|
if (fw_rsrc->refcnt != 0)
|
|
goto success;
|
|
|
|
rc = sfc_mae_outer_rule_enable(sa, rule->outer_rule, rule->match_spec);
|
|
if (rc != 0)
|
|
goto fail_outer_rule_enable;
|
|
|
|
rc = sfc_mae_action_set_enable(sa, rule->action_set);
|
|
if (rc != 0)
|
|
goto fail_action_set_enable;
|
|
|
|
rc = sfc_mae_action_set_list_enable(sa, rule->action_set_list);
|
|
if (rc != 0)
|
|
goto fail_action_set_list_enable;
|
|
|
|
if (rule->action_set_list != NULL)
|
|
asl_idp = &rule->action_set_list->fw_rsrc.aset_list_id;
|
|
|
|
if (rule->action_set != NULL)
|
|
as_idp = &rule->action_set->fw_rsrc.aset_id;
|
|
|
|
rc = efx_mae_action_rule_insert(sa->nic, rule->match_spec, asl_idp,
|
|
as_idp, &fw_rsrc->rule_id);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to enable action_rule=%p: %s",
|
|
rule, strerror(rc));
|
|
goto fail_action_rule_insert;
|
|
}
|
|
|
|
success:
|
|
if (fw_rsrc->refcnt == 0) {
|
|
sfc_dbg(sa, "enabled action_rule=%p: AR_ID=0x%08x",
|
|
rule, fw_rsrc->rule_id.id);
|
|
}
|
|
|
|
++(fw_rsrc->refcnt);
|
|
|
|
return 0;
|
|
|
|
fail_action_rule_insert:
|
|
sfc_mae_action_set_list_disable(sa, rule->action_set_list);
|
|
|
|
fail_action_set_list_enable:
|
|
sfc_mae_action_set_disable(sa, rule->action_set);
|
|
|
|
fail_action_set_enable:
|
|
sfc_mae_outer_rule_disable(sa, rule->outer_rule, rule->match_spec);
|
|
|
|
fail_outer_rule_enable:
|
|
return rc;
|
|
}
|
|
static void
|
|
sfc_mae_action_rule_disable(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_rule *rule)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
int rc;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
fw_rsrc = &rule->fw_rsrc;
|
|
|
|
if (fw_rsrc->rule_id.id == EFX_MAE_RSRC_ID_INVALID ||
|
|
fw_rsrc->refcnt == 0) {
|
|
sfc_err(sa, "failed to disable action_rule=%p: already disabled; AR_ID=0x%08x, refcnt=%u",
|
|
rule, fw_rsrc->rule_id.id, fw_rsrc->refcnt);
|
|
return;
|
|
}
|
|
|
|
if (fw_rsrc->refcnt == 1) {
|
|
rc = efx_mae_action_rule_remove(sa->nic, &fw_rsrc->rule_id);
|
|
if (rc == 0) {
|
|
sfc_dbg(sa, "disabled action_rule=%p with AR_ID=0x%08x",
|
|
rule, fw_rsrc->rule_id.id);
|
|
} else {
|
|
sfc_err(sa, "failed to disable action_rule=%p with AR_ID=0x%08x: %s",
|
|
rule, fw_rsrc->rule_id.id, strerror(rc));
|
|
}
|
|
|
|
fw_rsrc->rule_id.id = EFX_MAE_RSRC_ID_INVALID;
|
|
|
|
sfc_mae_action_set_list_disable(sa, rule->action_set_list);
|
|
|
|
sfc_mae_action_set_disable(sa, rule->action_set);
|
|
|
|
sfc_mae_outer_rule_disable(sa, rule->outer_rule,
|
|
rule->match_spec);
|
|
}
|
|
|
|
--(fw_rsrc->refcnt);
|
|
}
|
|
|
|
void
|
|
sfc_mae_flow_cleanup(struct sfc_adapter *sa,
|
|
struct rte_flow *flow)
|
|
{
|
|
struct sfc_flow_spec_mae *spec_mae;
|
|
|
|
if (flow == NULL)
|
|
return;
|
|
|
|
spec_mae = &flow->spec.mae;
|
|
|
|
if (spec_mae->ft_ctx != NULL) {
|
|
if (spec_mae->ft_rule_type == SFC_FT_RULE_TUNNEL)
|
|
spec_mae->ft_ctx->tunnel_rule_is_set = B_FALSE;
|
|
|
|
SFC_ASSERT(spec_mae->ft_ctx->refcnt != 0);
|
|
--(spec_mae->ft_ctx->refcnt);
|
|
}
|
|
|
|
sfc_mae_action_rule_del(sa, spec_mae->action_rule);
|
|
|
|
sfc_mae_counter_del(sa, spec_mae->ct_counter);
|
|
}
|
|
|
|
static int
|
|
sfc_mae_set_ethertypes(struct sfc_mae_parse_ctx *ctx)
|
|
{
|
|
struct sfc_mae_pattern_data *pdata = &ctx->pattern_data;
|
|
const efx_mae_field_id_t *fremap = ctx->field_ids_remap;
|
|
const efx_mae_field_id_t field_ids[] = {
|
|
EFX_MAE_FIELD_VLAN0_PROTO_BE,
|
|
EFX_MAE_FIELD_VLAN1_PROTO_BE,
|
|
};
|
|
const struct sfc_mae_ethertype *et;
|
|
unsigned int i;
|
|
int rc;
|
|
|
|
/*
|
|
* In accordance with RTE flow API convention, the innermost L2
|
|
* item's "type" ("inner_type") is a L3 EtherType. If there is
|
|
* no L3 item, it's 0x0000/0x0000.
|
|
*/
|
|
et = &pdata->ethertypes[pdata->nb_vlan_tags];
|
|
rc = efx_mae_match_spec_field_set(ctx->match_spec,
|
|
fremap[EFX_MAE_FIELD_ETHER_TYPE_BE],
|
|
sizeof(et->value),
|
|
(const uint8_t *)&et->value,
|
|
sizeof(et->mask),
|
|
(const uint8_t *)&et->mask);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
/*
|
|
* sfc_mae_rule_parse_item_vlan() has already made sure
|
|
* that pdata->nb_vlan_tags does not exceed this figure.
|
|
*/
|
|
RTE_BUILD_BUG_ON(SFC_MAE_MATCH_VLAN_MAX_NTAGS != 2);
|
|
|
|
for (i = 0; i < pdata->nb_vlan_tags; ++i) {
|
|
et = &pdata->ethertypes[i];
|
|
|
|
rc = efx_mae_match_spec_field_set(ctx->match_spec,
|
|
fremap[field_ids[i]],
|
|
sizeof(et->value),
|
|
(const uint8_t *)&et->value,
|
|
sizeof(et->mask),
|
|
(const uint8_t *)&et->mask);
|
|
if (rc != 0)
|
|
return rc;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_process_pattern_data(struct sfc_mae_parse_ctx *ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const efx_mae_field_id_t *fremap = ctx->field_ids_remap;
|
|
struct sfc_mae_pattern_data *pdata = &ctx->pattern_data;
|
|
struct sfc_mae_ethertype *ethertypes = pdata->ethertypes;
|
|
const rte_be16_t supported_tpids[] = {
|
|
/* VLAN standard TPID (always the first element) */
|
|
RTE_BE16(RTE_ETHER_TYPE_VLAN),
|
|
|
|
/* Double-tagging TPIDs */
|
|
RTE_BE16(RTE_ETHER_TYPE_QINQ),
|
|
RTE_BE16(RTE_ETHER_TYPE_QINQ1),
|
|
RTE_BE16(RTE_ETHER_TYPE_QINQ2),
|
|
RTE_BE16(RTE_ETHER_TYPE_QINQ3),
|
|
};
|
|
bool enforce_tag_presence[SFC_MAE_MATCH_VLAN_MAX_NTAGS] = {0};
|
|
unsigned int nb_supported_tpids = RTE_DIM(supported_tpids);
|
|
unsigned int ethertype_idx;
|
|
const uint8_t *valuep;
|
|
const uint8_t *maskp;
|
|
int rc;
|
|
|
|
if (pdata->innermost_ethertype_restriction.mask != 0 &&
|
|
pdata->nb_vlan_tags < SFC_MAE_MATCH_VLAN_MAX_NTAGS) {
|
|
/*
|
|
* If a single item VLAN is followed by a L3 item, value
|
|
* of "type" in item ETH can't be a double-tagging TPID.
|
|
*/
|
|
nb_supported_tpids = 1;
|
|
}
|
|
|
|
/*
|
|
* sfc_mae_rule_parse_item_vlan() has already made sure
|
|
* that pdata->nb_vlan_tags does not exceed this figure.
|
|
*/
|
|
RTE_BUILD_BUG_ON(SFC_MAE_MATCH_VLAN_MAX_NTAGS != 2);
|
|
|
|
for (ethertype_idx = 0;
|
|
ethertype_idx < pdata->nb_vlan_tags; ++ethertype_idx) {
|
|
rte_be16_t tpid_v = ethertypes[ethertype_idx].value;
|
|
rte_be16_t tpid_m = ethertypes[ethertype_idx].mask;
|
|
unsigned int tpid_idx;
|
|
|
|
/*
|
|
* This loop can have only two iterations. On the second one,
|
|
* drop outer tag presence enforcement bit because the inner
|
|
* tag presence automatically assumes that for the outer tag.
|
|
*/
|
|
enforce_tag_presence[0] = B_FALSE;
|
|
|
|
if (tpid_m == RTE_BE16(0)) {
|
|
if (pdata->tci_masks[ethertype_idx] == RTE_BE16(0))
|
|
enforce_tag_presence[ethertype_idx] = B_TRUE;
|
|
|
|
/* No match on this field, and no value check. */
|
|
nb_supported_tpids = 1;
|
|
continue;
|
|
}
|
|
|
|
/* Exact match is supported only. */
|
|
if (tpid_m != RTE_BE16(0xffff)) {
|
|
sfc_err(ctx->sa, "TPID mask must be 0x0 or 0xffff; got 0x%04x",
|
|
rte_be_to_cpu_16(tpid_m));
|
|
rc = EINVAL;
|
|
goto fail;
|
|
}
|
|
|
|
for (tpid_idx = pdata->nb_vlan_tags - ethertype_idx - 1;
|
|
tpid_idx < nb_supported_tpids; ++tpid_idx) {
|
|
if (tpid_v == supported_tpids[tpid_idx])
|
|
break;
|
|
}
|
|
|
|
if (tpid_idx == nb_supported_tpids) {
|
|
sfc_err(ctx->sa, "TPID 0x%04x is unsupported",
|
|
rte_be_to_cpu_16(tpid_v));
|
|
rc = EINVAL;
|
|
goto fail;
|
|
}
|
|
|
|
nb_supported_tpids = 1;
|
|
}
|
|
|
|
if (pdata->innermost_ethertype_restriction.mask == RTE_BE16(0xffff)) {
|
|
struct sfc_mae_ethertype *et = ðertypes[ethertype_idx];
|
|
rte_be16_t enforced_et;
|
|
|
|
enforced_et = pdata->innermost_ethertype_restriction.value;
|
|
|
|
if (et->mask == 0) {
|
|
et->mask = RTE_BE16(0xffff);
|
|
et->value = enforced_et;
|
|
} else if (et->mask != RTE_BE16(0xffff) ||
|
|
et->value != enforced_et) {
|
|
sfc_err(ctx->sa, "L3 EtherType must be 0x0/0x0 or 0x%04x/0xffff; got 0x%04x/0x%04x",
|
|
rte_be_to_cpu_16(enforced_et),
|
|
rte_be_to_cpu_16(et->value),
|
|
rte_be_to_cpu_16(et->mask));
|
|
rc = EINVAL;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Now, when the number of VLAN tags is known, set fields
|
|
* ETHER_TYPE, VLAN0_PROTO and VLAN1_PROTO so that the first
|
|
* one is either a valid L3 EtherType (or 0x0000/0x0000),
|
|
* and the last two are valid TPIDs (or 0x0000/0x0000).
|
|
*/
|
|
rc = sfc_mae_set_ethertypes(ctx);
|
|
if (rc != 0)
|
|
goto fail;
|
|
|
|
if (pdata->l3_next_proto_restriction_mask == 0xff) {
|
|
if (pdata->l3_next_proto_mask == 0) {
|
|
pdata->l3_next_proto_mask = 0xff;
|
|
pdata->l3_next_proto_value =
|
|
pdata->l3_next_proto_restriction_value;
|
|
} else if (pdata->l3_next_proto_mask != 0xff ||
|
|
pdata->l3_next_proto_value !=
|
|
pdata->l3_next_proto_restriction_value) {
|
|
sfc_err(ctx->sa, "L3 next protocol must be 0x0/0x0 or 0x%02x/0xff; got 0x%02x/0x%02x",
|
|
pdata->l3_next_proto_restriction_value,
|
|
pdata->l3_next_proto_value,
|
|
pdata->l3_next_proto_mask);
|
|
rc = EINVAL;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (enforce_tag_presence[0] || pdata->has_ovlan_mask) {
|
|
rc = efx_mae_match_spec_bit_set(ctx->match_spec,
|
|
fremap[EFX_MAE_FIELD_HAS_OVLAN],
|
|
enforce_tag_presence[0] ||
|
|
pdata->has_ovlan_value);
|
|
if (rc != 0)
|
|
goto fail;
|
|
}
|
|
|
|
if (enforce_tag_presence[1] || pdata->has_ivlan_mask) {
|
|
rc = efx_mae_match_spec_bit_set(ctx->match_spec,
|
|
fremap[EFX_MAE_FIELD_HAS_IVLAN],
|
|
enforce_tag_presence[1] ||
|
|
pdata->has_ivlan_value);
|
|
if (rc != 0)
|
|
goto fail;
|
|
}
|
|
|
|
valuep = (const uint8_t *)&pdata->l3_next_proto_value;
|
|
maskp = (const uint8_t *)&pdata->l3_next_proto_mask;
|
|
rc = efx_mae_match_spec_field_set(ctx->match_spec,
|
|
fremap[EFX_MAE_FIELD_IP_PROTO],
|
|
sizeof(pdata->l3_next_proto_value),
|
|
valuep,
|
|
sizeof(pdata->l3_next_proto_mask),
|
|
maskp);
|
|
if (rc != 0)
|
|
goto fail;
|
|
|
|
if (pdata->l3_frag_ofst_mask != 0) {
|
|
const rte_be16_t hdr_mask = RTE_BE16(RTE_IPV4_HDR_OFFSET_MASK);
|
|
rte_be16_t value;
|
|
rte_be16_t last;
|
|
boolean_t first_frag;
|
|
boolean_t is_ip_frag;
|
|
boolean_t any_frag;
|
|
|
|
if (pdata->l3_frag_ofst_mask & RTE_BE16(RTE_IPV4_HDR_DF_FLAG)) {
|
|
sfc_err(ctx->sa, "Don't fragment flag is not supported.");
|
|
rc = ENOTSUP;
|
|
goto fail;
|
|
}
|
|
|
|
if ((pdata->l3_frag_ofst_mask & hdr_mask) != hdr_mask) {
|
|
sfc_err(ctx->sa, "Invalid value for fragment offset mask.");
|
|
rc = EINVAL;
|
|
goto fail;
|
|
}
|
|
|
|
value = pdata->l3_frag_ofst_mask & pdata->l3_frag_ofst_value;
|
|
last = pdata->l3_frag_ofst_mask & pdata->l3_frag_ofst_last;
|
|
|
|
/*
|
|
* value: last: matches:
|
|
* 0 0 Non-fragmented packet
|
|
* 1 0x1fff Non-first fragment
|
|
* 1 0x1fff+MF Any fragment
|
|
* MF 0 First fragment
|
|
*/
|
|
if (last == 0 &&
|
|
(pdata->l3_frag_ofst_value & hdr_mask) != 0) {
|
|
sfc_err(ctx->sa,
|
|
"Exact matching is prohibited for non-zero offsets, but ranges are allowed.");
|
|
rc = EINVAL;
|
|
goto fail;
|
|
}
|
|
|
|
if (value == 0 && last == 0) {
|
|
is_ip_frag = false;
|
|
any_frag = true;
|
|
} else if (value == RTE_BE16(1) && (last & hdr_mask) == hdr_mask) {
|
|
if (last & RTE_BE16(RTE_IPV4_HDR_MF_FLAG)) {
|
|
is_ip_frag = true;
|
|
any_frag = true;
|
|
} else {
|
|
is_ip_frag = true;
|
|
any_frag = false;
|
|
first_frag = false;
|
|
}
|
|
} else if (value == RTE_BE16(RTE_IPV4_HDR_MF_FLAG) && last == 0) {
|
|
is_ip_frag = true;
|
|
any_frag = false;
|
|
first_frag = true;
|
|
} else {
|
|
sfc_err(ctx->sa, "Invalid value for fragment offset.");
|
|
rc = EINVAL;
|
|
goto fail;
|
|
}
|
|
|
|
rc = efx_mae_match_spec_bit_set(ctx->match_spec,
|
|
fremap[EFX_MAE_FIELD_IS_IP_FRAG], is_ip_frag);
|
|
if (rc != 0)
|
|
goto fail;
|
|
|
|
if (!any_frag) {
|
|
rc = efx_mae_match_spec_bit_set(ctx->match_spec,
|
|
fremap[EFX_MAE_FIELD_IP_FIRST_FRAG],
|
|
first_frag);
|
|
if (rc != 0)
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
return rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_ITEM, NULL,
|
|
"Failed to process pattern data");
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_item_mark(const struct rte_flow_item *item,
|
|
struct sfc_flow_parse_ctx *ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_mark *spec = item->spec;
|
|
struct sfc_mae_parse_ctx *ctx_mae = ctx->mae;
|
|
struct sfc_ft_ctx *ft_ctx = ctx_mae->ft_ctx;
|
|
|
|
if (spec == NULL) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"NULL spec in item MARK");
|
|
}
|
|
|
|
/*
|
|
* This item is used in tunnel offload support only.
|
|
* It must go before any network header items. This
|
|
* way, sfc_mae_rule_preparse_item_mark() must have
|
|
* already parsed it. Only one item MARK is allowed.
|
|
*/
|
|
if (ctx_mae->ft_rule_type != SFC_FT_RULE_SWITCH ||
|
|
spec->id != (uint32_t)SFC_FT_CTX_ID_TO_FLOW_MARK(ft_ctx->id)) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
item, "invalid item MARK");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_item_port_id(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_port_id supp_mask = {
|
|
.id = 0xffffffff,
|
|
};
|
|
const void *def_mask = &rte_flow_item_port_id_mask;
|
|
const struct rte_flow_item_port_id *spec = NULL;
|
|
const struct rte_flow_item_port_id *mask = NULL;
|
|
efx_mport_sel_t mport_sel;
|
|
unsigned int type_mask;
|
|
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_port_id), 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 PORT_ID pattern item");
|
|
}
|
|
|
|
/* If "spec" is not set, could be any port ID */
|
|
if (spec == NULL)
|
|
return 0;
|
|
|
|
if (spec->id > UINT16_MAX) {
|
|
return rte_flow_error_set(error, EOVERFLOW,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"The port ID is too large");
|
|
}
|
|
|
|
type_mask = 1U << SFC_MAE_SWITCH_PORT_INDEPENDENT;
|
|
|
|
rc = sfc_mae_switch_get_ethdev_mport(ctx_mae->sa->mae.switch_domain_id,
|
|
spec->id, type_mask, &mport_sel);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Can't get m-port for the given ethdev");
|
|
}
|
|
|
|
rc = efx_mae_match_spec_mport_set(ctx_mae->match_spec,
|
|
&mport_sel, NULL);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Failed to set MPORT for the port ID");
|
|
}
|
|
|
|
ctx_mae->match_mport_set = B_TRUE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_item_ethdev_based(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_ethdev supp_mask = {
|
|
.port_id = 0xffff,
|
|
};
|
|
const void *def_mask = &rte_flow_item_ethdev_mask;
|
|
const struct rte_flow_item_ethdev *spec = NULL;
|
|
const struct rte_flow_item_ethdev *mask = NULL;
|
|
efx_mport_sel_t mport_sel;
|
|
unsigned int type_mask;
|
|
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_ethdev), error);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
if (mask->port_id != supp_mask.port_id) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Bad mask in the ethdev-based pattern item");
|
|
}
|
|
|
|
/* If "spec" is not set, could be any port ID */
|
|
if (spec == NULL)
|
|
return 0;
|
|
|
|
switch (item->type) {
|
|
case RTE_FLOW_ITEM_TYPE_PORT_REPRESENTOR:
|
|
type_mask = 1U << SFC_MAE_SWITCH_PORT_INDEPENDENT;
|
|
|
|
rc = sfc_mae_switch_get_ethdev_mport(
|
|
ctx_mae->sa->mae.switch_domain_id,
|
|
spec->port_id, type_mask, &mport_sel);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Can't get m-port for the given ethdev");
|
|
}
|
|
break;
|
|
case RTE_FLOW_ITEM_TYPE_REPRESENTED_PORT:
|
|
rc = sfc_mae_switch_get_entity_mport(
|
|
ctx_mae->sa->mae.switch_domain_id,
|
|
spec->port_id, &mport_sel);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Can't get m-port for the given ethdev");
|
|
}
|
|
break;
|
|
default:
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Unsupported ethdev-based flow item");
|
|
}
|
|
|
|
rc = efx_mae_match_spec_mport_set(ctx_mae->match_spec,
|
|
&mport_sel, NULL);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Failed to set MPORT for the port ID");
|
|
}
|
|
|
|
ctx_mae->match_mport_set = B_TRUE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Having this field ID in a field locator means that this
|
|
* locator cannot be used to actually set the field at the
|
|
* time when the corresponding item gets encountered. Such
|
|
* fields get stashed in the parsing context instead. This
|
|
* is required to resolve dependencies between the stashed
|
|
* fields. See sfc_mae_rule_process_pattern_data().
|
|
*/
|
|
#define SFC_MAE_FIELD_HANDLING_DEFERRED EFX_MAE_FIELD_NIDS
|
|
|
|
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;
|
|
|
|
uint8_t ct_key_field;
|
|
};
|
|
|
|
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, struct sfc_mae_parse_ctx *ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const efx_mae_field_id_t *fremap = ctx->field_ids_remap;
|
|
unsigned int i;
|
|
int rc = 0;
|
|
|
|
for (i = 0; i < nb_field_locators; ++i) {
|
|
const struct sfc_mae_field_locator *fl = &field_locators[i];
|
|
|
|
if (fl->field_id == SFC_MAE_FIELD_HANDLING_DEFERRED)
|
|
continue;
|
|
|
|
rc = efx_mae_match_spec_field_set(ctx->match_spec,
|
|
fremap[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[] = {
|
|
{
|
|
/*
|
|
* This locator is used only for building supported fields mask.
|
|
* The field is handled by sfc_mae_rule_process_pattern_data().
|
|
*/
|
|
SFC_MAE_FIELD_HANDLING_DEFERRED,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_eth, hdr.ether_type),
|
|
offsetof(struct rte_flow_item_eth, hdr.ether_type),
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_ETH_DADDR_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_eth, hdr.dst_addr),
|
|
offsetof(struct rte_flow_item_eth, hdr.dst_addr),
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_ETH_SADDR_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_eth, hdr.src_addr),
|
|
offsetof(struct rte_flow_item_eth, hdr.src_addr),
|
|
},
|
|
};
|
|
|
|
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 override_mask;
|
|
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));
|
|
supp_mask.has_vlan = 1;
|
|
|
|
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 (ctx_mae->ft_rule_type == SFC_FT_RULE_TUNNEL && mask != NULL) {
|
|
/*
|
|
* The HW/FW hasn't got support for match on MAC addresses in
|
|
* outer rules yet (this will change). Match on VLAN presence
|
|
* isn't supported either. Ignore these match criteria.
|
|
*/
|
|
memcpy(&override_mask, mask, sizeof(override_mask));
|
|
memset(&override_mask.hdr.dst_addr, 0,
|
|
sizeof(override_mask.hdr.dst_addr));
|
|
memset(&override_mask.hdr.src_addr, 0,
|
|
sizeof(override_mask.hdr.src_addr));
|
|
override_mask.has_vlan = 0;
|
|
|
|
mask = (const uint8_t *)&override_mask;
|
|
}
|
|
|
|
if (spec != NULL) {
|
|
struct sfc_mae_pattern_data *pdata = &ctx_mae->pattern_data;
|
|
struct sfc_mae_ethertype *ethertypes = pdata->ethertypes;
|
|
const struct rte_flow_item_eth *item_spec;
|
|
const struct rte_flow_item_eth *item_mask;
|
|
|
|
item_spec = (const struct rte_flow_item_eth *)spec;
|
|
item_mask = (const struct rte_flow_item_eth *)mask;
|
|
|
|
/*
|
|
* Remember various match criteria in the parsing context.
|
|
* sfc_mae_rule_process_pattern_data() will consider them
|
|
* altogether when the rest of the items have been parsed.
|
|
*/
|
|
ethertypes[0].value = item_spec->hdr.ether_type;
|
|
ethertypes[0].mask = item_mask->hdr.ether_type;
|
|
if (item_mask->has_vlan) {
|
|
pdata->has_ovlan_mask = B_TRUE;
|
|
if (item_spec->has_vlan)
|
|
pdata->has_ovlan_value = B_TRUE;
|
|
}
|
|
} else {
|
|
/*
|
|
* The specification is empty. The overall pattern
|
|
* validity will be enforced at the end of parsing.
|
|
* See sfc_mae_rule_process_pattern_data().
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
return sfc_mae_parse_item(flocs_eth, RTE_DIM(flocs_eth), spec, mask,
|
|
ctx_mae, error);
|
|
}
|
|
|
|
static const struct sfc_mae_field_locator flocs_vlan[] = {
|
|
/* Outermost tag */
|
|
{
|
|
EFX_MAE_FIELD_VLAN0_TCI_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_vlan, hdr.vlan_tci),
|
|
offsetof(struct rte_flow_item_vlan, hdr.vlan_tci),
|
|
},
|
|
{
|
|
/*
|
|
* This locator is used only for building supported fields mask.
|
|
* The field is handled by sfc_mae_rule_process_pattern_data().
|
|
*/
|
|
SFC_MAE_FIELD_HANDLING_DEFERRED,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_vlan, hdr.eth_proto),
|
|
offsetof(struct rte_flow_item_vlan, hdr.eth_proto),
|
|
},
|
|
|
|
/* Innermost tag */
|
|
{
|
|
EFX_MAE_FIELD_VLAN1_TCI_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_vlan, hdr.vlan_tci),
|
|
offsetof(struct rte_flow_item_vlan, hdr.vlan_tci),
|
|
},
|
|
{
|
|
/*
|
|
* This locator is used only for building supported fields mask.
|
|
* The field is handled by sfc_mae_rule_process_pattern_data().
|
|
*/
|
|
SFC_MAE_FIELD_HANDLING_DEFERRED,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_vlan, hdr.eth_proto),
|
|
offsetof(struct rte_flow_item_vlan, hdr.eth_proto),
|
|
},
|
|
};
|
|
|
|
static int
|
|
sfc_mae_rule_parse_item_vlan(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 sfc_mae_pattern_data *pdata = &ctx_mae->pattern_data;
|
|
boolean_t *has_vlan_mp_by_nb_tags[SFC_MAE_MATCH_VLAN_MAX_NTAGS] = {
|
|
&pdata->has_ovlan_mask,
|
|
&pdata->has_ivlan_mask,
|
|
};
|
|
boolean_t *has_vlan_vp_by_nb_tags[SFC_MAE_MATCH_VLAN_MAX_NTAGS] = {
|
|
&pdata->has_ovlan_value,
|
|
&pdata->has_ivlan_value,
|
|
};
|
|
boolean_t *cur_tag_presence_bit_mp;
|
|
boolean_t *cur_tag_presence_bit_vp;
|
|
const struct sfc_mae_field_locator *flocs;
|
|
struct rte_flow_item_vlan supp_mask;
|
|
const uint8_t *spec = NULL;
|
|
const uint8_t *mask = NULL;
|
|
unsigned int nb_flocs;
|
|
int rc;
|
|
|
|
RTE_BUILD_BUG_ON(SFC_MAE_MATCH_VLAN_MAX_NTAGS != 2);
|
|
|
|
if (pdata->nb_vlan_tags == SFC_MAE_MATCH_VLAN_MAX_NTAGS) {
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Can't match that many VLAN tags");
|
|
}
|
|
|
|
cur_tag_presence_bit_mp = has_vlan_mp_by_nb_tags[pdata->nb_vlan_tags];
|
|
cur_tag_presence_bit_vp = has_vlan_vp_by_nb_tags[pdata->nb_vlan_tags];
|
|
|
|
if (*cur_tag_presence_bit_mp == B_TRUE &&
|
|
*cur_tag_presence_bit_vp == B_FALSE) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"The previous item enforces no (more) VLAN, "
|
|
"so the current item (VLAN) must not exist");
|
|
}
|
|
|
|
nb_flocs = RTE_DIM(flocs_vlan) / SFC_MAE_MATCH_VLAN_MAX_NTAGS;
|
|
flocs = flocs_vlan + pdata->nb_vlan_tags * nb_flocs;
|
|
|
|
sfc_mae_item_build_supp_mask(flocs, nb_flocs,
|
|
&supp_mask, sizeof(supp_mask));
|
|
/*
|
|
* This only means that the field is supported by the driver and libefx.
|
|
* Support on NIC level will be checked when all items have been parsed.
|
|
*/
|
|
supp_mask.has_more_vlan = 1;
|
|
|
|
rc = sfc_flow_parse_init(item,
|
|
(const void **)&spec, (const void **)&mask,
|
|
(const void *)&supp_mask,
|
|
&rte_flow_item_vlan_mask,
|
|
sizeof(struct rte_flow_item_vlan), error);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
if (spec != NULL) {
|
|
struct sfc_mae_ethertype *et = pdata->ethertypes;
|
|
const struct rte_flow_item_vlan *item_spec;
|
|
const struct rte_flow_item_vlan *item_mask;
|
|
|
|
item_spec = (const struct rte_flow_item_vlan *)spec;
|
|
item_mask = (const struct rte_flow_item_vlan *)mask;
|
|
|
|
/*
|
|
* Remember various match criteria in the parsing context.
|
|
* sfc_mae_rule_process_pattern_data() will consider them
|
|
* altogether when the rest of the items have been parsed.
|
|
*/
|
|
et[pdata->nb_vlan_tags + 1].value = item_spec->hdr.eth_proto;
|
|
et[pdata->nb_vlan_tags + 1].mask = item_mask->hdr.eth_proto;
|
|
pdata->tci_masks[pdata->nb_vlan_tags] = item_mask->hdr.vlan_tci;
|
|
if (item_mask->has_more_vlan) {
|
|
if (pdata->nb_vlan_tags ==
|
|
SFC_MAE_MATCH_VLAN_MAX_NTAGS) {
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Can't use 'has_more_vlan' in "
|
|
"the second item VLAN");
|
|
}
|
|
pdata->has_ivlan_mask = B_TRUE;
|
|
if (item_spec->has_more_vlan)
|
|
pdata->has_ivlan_value = B_TRUE;
|
|
}
|
|
|
|
/* Convert TCI to MAE representation right now. */
|
|
rc = sfc_mae_parse_item(flocs, nb_flocs, spec, mask,
|
|
ctx_mae, error);
|
|
if (rc != 0)
|
|
return rc;
|
|
}
|
|
|
|
++(pdata->nb_vlan_tags);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct sfc_mae_field_locator flocs_ipv4[] = {
|
|
{
|
|
EFX_MAE_FIELD_SRC_IP4_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv4, hdr.src_addr),
|
|
offsetof(struct rte_flow_item_ipv4, hdr.src_addr),
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_DST_IP4_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv4, hdr.dst_addr),
|
|
offsetof(struct rte_flow_item_ipv4, hdr.dst_addr),
|
|
},
|
|
{
|
|
/*
|
|
* This locator is used only for building supported fields mask.
|
|
* The field is handled by sfc_mae_rule_process_pattern_data().
|
|
*/
|
|
SFC_MAE_FIELD_HANDLING_DEFERRED,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv4, hdr.next_proto_id),
|
|
offsetof(struct rte_flow_item_ipv4, hdr.next_proto_id),
|
|
},
|
|
{
|
|
/*
|
|
* This locator is used only for building supported fields mask.
|
|
* The field is handled by sfc_mae_rule_process_pattern_data().
|
|
*/
|
|
SFC_MAE_FIELD_HANDLING_DEFERRED,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv4, hdr.fragment_offset),
|
|
offsetof(struct rte_flow_item_ipv4, hdr.fragment_offset),
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_IP_TOS,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv4,
|
|
hdr.type_of_service),
|
|
offsetof(struct rte_flow_item_ipv4, hdr.type_of_service),
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_IP_TTL,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv4, hdr.time_to_live),
|
|
offsetof(struct rte_flow_item_ipv4, hdr.time_to_live),
|
|
},
|
|
};
|
|
|
|
static int
|
|
sfc_mae_rule_parse_item_ipv4(const struct rte_flow_item *item,
|
|
struct sfc_flow_parse_ctx *ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
rte_be16_t ethertype_ipv4_be = RTE_BE16(RTE_ETHER_TYPE_IPV4);
|
|
struct sfc_mae_parse_ctx *ctx_mae = ctx->mae;
|
|
struct sfc_mae_pattern_data *pdata = &ctx_mae->pattern_data;
|
|
struct rte_flow_item_ipv4 supp_mask;
|
|
struct rte_flow_item item_dup;
|
|
const uint8_t *spec = NULL;
|
|
const uint8_t *mask = NULL;
|
|
const uint8_t *last = NULL;
|
|
int rc;
|
|
|
|
item_dup.spec = item->spec;
|
|
item_dup.mask = item->mask;
|
|
item_dup.last = item->last;
|
|
item_dup.type = item->type;
|
|
|
|
sfc_mae_item_build_supp_mask(flocs_ipv4, RTE_DIM(flocs_ipv4),
|
|
&supp_mask, sizeof(supp_mask));
|
|
|
|
/* We don't support IPv4 fragmentation in the outer frames. */
|
|
if (ctx_mae->match_spec != ctx_mae->match_spec_action)
|
|
supp_mask.hdr.fragment_offset = 0;
|
|
|
|
if (item->last != NULL) {
|
|
last = item->last;
|
|
item_dup.last = NULL;
|
|
}
|
|
|
|
rc = sfc_flow_parse_init(&item_dup,
|
|
(const void **)&spec, (const void **)&mask,
|
|
(const void *)&supp_mask,
|
|
&rte_flow_item_ipv4_mask,
|
|
sizeof(struct rte_flow_item_ipv4), error);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
pdata->innermost_ethertype_restriction.value = ethertype_ipv4_be;
|
|
pdata->innermost_ethertype_restriction.mask = RTE_BE16(0xffff);
|
|
|
|
if (spec != NULL) {
|
|
const struct rte_flow_item_ipv4 *item_spec;
|
|
const struct rte_flow_item_ipv4 *item_mask;
|
|
const struct rte_flow_item_ipv4 *item_last;
|
|
|
|
item_spec = (const struct rte_flow_item_ipv4 *)spec;
|
|
item_mask = (const struct rte_flow_item_ipv4 *)mask;
|
|
if (last != NULL)
|
|
item_last = (const struct rte_flow_item_ipv4 *)last;
|
|
|
|
pdata->l3_next_proto_value = item_spec->hdr.next_proto_id;
|
|
pdata->l3_next_proto_mask = item_mask->hdr.next_proto_id;
|
|
pdata->l3_frag_ofst_mask = item_mask->hdr.fragment_offset;
|
|
pdata->l3_frag_ofst_value = item_spec->hdr.fragment_offset;
|
|
if (last != NULL)
|
|
pdata->l3_frag_ofst_last = item_last->hdr.fragment_offset;
|
|
} else {
|
|
return 0;
|
|
}
|
|
|
|
return sfc_mae_parse_item(flocs_ipv4, RTE_DIM(flocs_ipv4), spec, mask,
|
|
ctx_mae, error);
|
|
}
|
|
|
|
static const struct sfc_mae_field_locator flocs_ipv6[] = {
|
|
{
|
|
EFX_MAE_FIELD_SRC_IP6_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv6, hdr.src_addr),
|
|
offsetof(struct rte_flow_item_ipv6, hdr.src_addr),
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_DST_IP6_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv6, hdr.dst_addr),
|
|
offsetof(struct rte_flow_item_ipv6, hdr.dst_addr),
|
|
},
|
|
{
|
|
/*
|
|
* This locator is used only for building supported fields mask.
|
|
* The field is handled by sfc_mae_rule_process_pattern_data().
|
|
*/
|
|
SFC_MAE_FIELD_HANDLING_DEFERRED,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv6, hdr.proto),
|
|
offsetof(struct rte_flow_item_ipv6, hdr.proto),
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_IP_TTL,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv6, hdr.hop_limits),
|
|
offsetof(struct rte_flow_item_ipv6, hdr.hop_limits),
|
|
},
|
|
};
|
|
|
|
static int
|
|
sfc_mae_rule_parse_item_ipv6(const struct rte_flow_item *item,
|
|
struct sfc_flow_parse_ctx *ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
rte_be16_t ethertype_ipv6_be = RTE_BE16(RTE_ETHER_TYPE_IPV6);
|
|
struct sfc_mae_parse_ctx *ctx_mae = ctx->mae;
|
|
const efx_mae_field_id_t *fremap = ctx_mae->field_ids_remap;
|
|
struct sfc_mae_pattern_data *pdata = &ctx_mae->pattern_data;
|
|
struct rte_flow_item_ipv6 supp_mask;
|
|
const uint8_t *spec = NULL;
|
|
const uint8_t *mask = NULL;
|
|
rte_be32_t vtc_flow_be;
|
|
uint32_t vtc_flow;
|
|
uint8_t tc_value;
|
|
uint8_t tc_mask;
|
|
int rc;
|
|
|
|
sfc_mae_item_build_supp_mask(flocs_ipv6, RTE_DIM(flocs_ipv6),
|
|
&supp_mask, sizeof(supp_mask));
|
|
|
|
vtc_flow_be = RTE_BE32(RTE_IPV6_HDR_TC_MASK);
|
|
memcpy(&supp_mask, &vtc_flow_be, sizeof(vtc_flow_be));
|
|
|
|
rc = sfc_flow_parse_init(item,
|
|
(const void **)&spec, (const void **)&mask,
|
|
(const void *)&supp_mask,
|
|
&rte_flow_item_ipv6_mask,
|
|
sizeof(struct rte_flow_item_ipv6), error);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
pdata->innermost_ethertype_restriction.value = ethertype_ipv6_be;
|
|
pdata->innermost_ethertype_restriction.mask = RTE_BE16(0xffff);
|
|
|
|
if (spec != NULL) {
|
|
const struct rte_flow_item_ipv6 *item_spec;
|
|
const struct rte_flow_item_ipv6 *item_mask;
|
|
|
|
item_spec = (const struct rte_flow_item_ipv6 *)spec;
|
|
item_mask = (const struct rte_flow_item_ipv6 *)mask;
|
|
|
|
pdata->l3_next_proto_value = item_spec->hdr.proto;
|
|
pdata->l3_next_proto_mask = item_mask->hdr.proto;
|
|
} else {
|
|
return 0;
|
|
}
|
|
|
|
rc = sfc_mae_parse_item(flocs_ipv6, RTE_DIM(flocs_ipv6), spec, mask,
|
|
ctx_mae, error);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
memcpy(&vtc_flow_be, spec, sizeof(vtc_flow_be));
|
|
vtc_flow = rte_be_to_cpu_32(vtc_flow_be);
|
|
tc_value = (vtc_flow & RTE_IPV6_HDR_TC_MASK) >> RTE_IPV6_HDR_TC_SHIFT;
|
|
|
|
memcpy(&vtc_flow_be, mask, sizeof(vtc_flow_be));
|
|
vtc_flow = rte_be_to_cpu_32(vtc_flow_be);
|
|
tc_mask = (vtc_flow & RTE_IPV6_HDR_TC_MASK) >> RTE_IPV6_HDR_TC_SHIFT;
|
|
|
|
rc = efx_mae_match_spec_field_set(ctx_mae->match_spec,
|
|
fremap[EFX_MAE_FIELD_IP_TOS],
|
|
sizeof(tc_value), &tc_value,
|
|
sizeof(tc_mask), &tc_mask);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_ITEM,
|
|
NULL, "Failed to process item fields");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct sfc_mae_field_locator flocs_tcp[] = {
|
|
{
|
|
EFX_MAE_FIELD_L4_SPORT_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_tcp, hdr.src_port),
|
|
offsetof(struct rte_flow_item_tcp, hdr.src_port),
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_L4_DPORT_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_tcp, hdr.dst_port),
|
|
offsetof(struct rte_flow_item_tcp, hdr.dst_port),
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_TCP_FLAGS_BE,
|
|
/*
|
|
* The values have been picked intentionally since the
|
|
* target MAE field is oversize (16 bit). This mapping
|
|
* relies on the fact that the MAE field is big-endian.
|
|
*/
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_tcp, hdr.data_off) +
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_tcp, hdr.tcp_flags),
|
|
offsetof(struct rte_flow_item_tcp, hdr.data_off),
|
|
},
|
|
};
|
|
|
|
static int
|
|
sfc_mae_rule_parse_item_tcp(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 sfc_mae_pattern_data *pdata = &ctx_mae->pattern_data;
|
|
struct rte_flow_item_tcp supp_mask;
|
|
const uint8_t *spec = NULL;
|
|
const uint8_t *mask = NULL;
|
|
int rc;
|
|
|
|
/*
|
|
* When encountered among outermost items, item TCP is invalid.
|
|
* Check which match specification is being constructed now.
|
|
*/
|
|
if (ctx_mae->match_spec != ctx_mae->match_spec_action) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"TCP in outer frame is invalid");
|
|
}
|
|
|
|
sfc_mae_item_build_supp_mask(flocs_tcp, RTE_DIM(flocs_tcp),
|
|
&supp_mask, sizeof(supp_mask));
|
|
|
|
rc = sfc_flow_parse_init(item,
|
|
(const void **)&spec, (const void **)&mask,
|
|
(const void *)&supp_mask,
|
|
&rte_flow_item_tcp_mask,
|
|
sizeof(struct rte_flow_item_tcp), error);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
pdata->l3_next_proto_restriction_value = IPPROTO_TCP;
|
|
pdata->l3_next_proto_restriction_mask = 0xff;
|
|
|
|
if (spec == NULL)
|
|
return 0;
|
|
|
|
return sfc_mae_parse_item(flocs_tcp, RTE_DIM(flocs_tcp), spec, mask,
|
|
ctx_mae, error);
|
|
}
|
|
|
|
static const struct sfc_mae_field_locator flocs_udp[] = {
|
|
{
|
|
EFX_MAE_FIELD_L4_SPORT_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_udp, hdr.src_port),
|
|
offsetof(struct rte_flow_item_udp, hdr.src_port),
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_L4_DPORT_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_udp, hdr.dst_port),
|
|
offsetof(struct rte_flow_item_udp, hdr.dst_port),
|
|
},
|
|
};
|
|
|
|
static int
|
|
sfc_mae_rule_parse_item_udp(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 sfc_mae_pattern_data *pdata = &ctx_mae->pattern_data;
|
|
struct rte_flow_item_udp supp_mask;
|
|
const uint8_t *spec = NULL;
|
|
const uint8_t *mask = NULL;
|
|
int rc;
|
|
|
|
sfc_mae_item_build_supp_mask(flocs_udp, RTE_DIM(flocs_udp),
|
|
&supp_mask, sizeof(supp_mask));
|
|
|
|
rc = sfc_flow_parse_init(item,
|
|
(const void **)&spec, (const void **)&mask,
|
|
(const void *)&supp_mask,
|
|
&rte_flow_item_udp_mask,
|
|
sizeof(struct rte_flow_item_udp), error);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
pdata->l3_next_proto_restriction_value = IPPROTO_UDP;
|
|
pdata->l3_next_proto_restriction_mask = 0xff;
|
|
|
|
if (spec == NULL)
|
|
return 0;
|
|
|
|
return sfc_mae_parse_item(flocs_udp, RTE_DIM(flocs_udp), spec, mask,
|
|
ctx_mae, error);
|
|
}
|
|
|
|
static const struct sfc_mae_field_locator flocs_tunnel[] = {
|
|
{
|
|
/*
|
|
* The size and offset values are relevant
|
|
* for Geneve and NVGRE, too.
|
|
*/
|
|
.size = RTE_SIZEOF_FIELD(struct rte_flow_item_vxlan, hdr.vni),
|
|
.ofst = offsetof(struct rte_flow_item_vxlan, hdr.vni),
|
|
},
|
|
};
|
|
|
|
/*
|
|
* An auxiliary registry which allows using non-encap. field IDs
|
|
* directly when building a match specification of type ACTION.
|
|
*
|
|
* See sfc_mae_rule_parse_pattern() and sfc_mae_rule_parse_item_tunnel().
|
|
*/
|
|
static const efx_mae_field_id_t field_ids_no_remap[] = {
|
|
#define FIELD_ID_NO_REMAP(_field) \
|
|
[EFX_MAE_FIELD_##_field] = EFX_MAE_FIELD_##_field
|
|
|
|
FIELD_ID_NO_REMAP(ETHER_TYPE_BE),
|
|
FIELD_ID_NO_REMAP(ETH_SADDR_BE),
|
|
FIELD_ID_NO_REMAP(ETH_DADDR_BE),
|
|
FIELD_ID_NO_REMAP(VLAN0_TCI_BE),
|
|
FIELD_ID_NO_REMAP(VLAN0_PROTO_BE),
|
|
FIELD_ID_NO_REMAP(VLAN1_TCI_BE),
|
|
FIELD_ID_NO_REMAP(VLAN1_PROTO_BE),
|
|
FIELD_ID_NO_REMAP(SRC_IP4_BE),
|
|
FIELD_ID_NO_REMAP(DST_IP4_BE),
|
|
FIELD_ID_NO_REMAP(IP_PROTO),
|
|
FIELD_ID_NO_REMAP(IP_TOS),
|
|
FIELD_ID_NO_REMAP(IP_TTL),
|
|
FIELD_ID_NO_REMAP(SRC_IP6_BE),
|
|
FIELD_ID_NO_REMAP(DST_IP6_BE),
|
|
FIELD_ID_NO_REMAP(L4_SPORT_BE),
|
|
FIELD_ID_NO_REMAP(L4_DPORT_BE),
|
|
FIELD_ID_NO_REMAP(TCP_FLAGS_BE),
|
|
FIELD_ID_NO_REMAP(HAS_OVLAN),
|
|
FIELD_ID_NO_REMAP(HAS_IVLAN),
|
|
FIELD_ID_NO_REMAP(IS_IP_FRAG),
|
|
FIELD_ID_NO_REMAP(IP_FIRST_FRAG),
|
|
|
|
#undef FIELD_ID_NO_REMAP
|
|
};
|
|
|
|
/*
|
|
* An auxiliary registry which allows using "ENC" field IDs
|
|
* when building a match specification of type OUTER.
|
|
*
|
|
* See sfc_mae_rule_encap_parse_init().
|
|
*/
|
|
static const efx_mae_field_id_t field_ids_remap_to_encap[] = {
|
|
#define FIELD_ID_REMAP_TO_ENCAP(_field) \
|
|
[EFX_MAE_FIELD_##_field] = EFX_MAE_FIELD_ENC_##_field
|
|
|
|
FIELD_ID_REMAP_TO_ENCAP(ETHER_TYPE_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(ETH_SADDR_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(ETH_DADDR_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(VLAN0_TCI_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(VLAN0_PROTO_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(VLAN1_TCI_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(VLAN1_PROTO_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(SRC_IP4_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(DST_IP4_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(IP_PROTO),
|
|
FIELD_ID_REMAP_TO_ENCAP(IP_TOS),
|
|
FIELD_ID_REMAP_TO_ENCAP(IP_TTL),
|
|
FIELD_ID_REMAP_TO_ENCAP(SRC_IP6_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(DST_IP6_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(L4_SPORT_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(L4_DPORT_BE),
|
|
FIELD_ID_REMAP_TO_ENCAP(HAS_OVLAN),
|
|
FIELD_ID_REMAP_TO_ENCAP(HAS_IVLAN),
|
|
|
|
#undef FIELD_ID_REMAP_TO_ENCAP
|
|
};
|
|
|
|
static int
|
|
sfc_mae_rule_parse_item_tunnel(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;
|
|
uint8_t vnet_id_v[sizeof(uint32_t)] = {0};
|
|
uint8_t vnet_id_m[sizeof(uint32_t)] = {0};
|
|
const struct rte_flow_item_vxlan *vxp;
|
|
uint8_t supp_mask[sizeof(uint64_t)];
|
|
const uint8_t *spec = NULL;
|
|
const uint8_t *mask = NULL;
|
|
int rc;
|
|
|
|
if (ctx_mae->ft_rule_type == SFC_FT_RULE_SWITCH) {
|
|
/*
|
|
* As a workaround, pattern processing has started from
|
|
* this (tunnel) item. No pattern data to process yet.
|
|
*/
|
|
} else {
|
|
/*
|
|
* We're about to start processing inner frame items.
|
|
* Process pattern data that has been deferred so far
|
|
* and reset pattern data storage.
|
|
*/
|
|
rc = sfc_mae_rule_process_pattern_data(ctx_mae, error);
|
|
if (rc != 0)
|
|
return rc;
|
|
}
|
|
|
|
memset(&ctx_mae->pattern_data, 0, sizeof(ctx_mae->pattern_data));
|
|
|
|
sfc_mae_item_build_supp_mask(flocs_tunnel, RTE_DIM(flocs_tunnel),
|
|
&supp_mask, sizeof(supp_mask));
|
|
|
|
/*
|
|
* This tunnel item was preliminarily detected by
|
|
* sfc_mae_rule_encap_parse_init(). Default mask
|
|
* was also picked by that helper. Use it here.
|
|
*/
|
|
rc = sfc_flow_parse_init(item,
|
|
(const void **)&spec, (const void **)&mask,
|
|
(const void *)&supp_mask,
|
|
ctx_mae->tunnel_def_mask,
|
|
ctx_mae->tunnel_def_mask_size, error);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
/*
|
|
* This item and later ones comprise a
|
|
* match specification of type ACTION.
|
|
*/
|
|
ctx_mae->match_spec = ctx_mae->match_spec_action;
|
|
|
|
/* This item and later ones use non-encap. EFX MAE field IDs. */
|
|
ctx_mae->field_ids_remap = field_ids_no_remap;
|
|
|
|
if (spec == NULL)
|
|
return 0;
|
|
|
|
/*
|
|
* Field EFX_MAE_FIELD_ENC_VNET_ID_BE is a 32-bit one.
|
|
* Copy 24-bit VNI, which is BE, at offset 1 in it.
|
|
* The extra byte is 0 both in the mask and in the value.
|
|
*/
|
|
vxp = (const struct rte_flow_item_vxlan *)spec;
|
|
memcpy(vnet_id_v + 1, &vxp->hdr.vni, sizeof(vxp->hdr.vni));
|
|
|
|
vxp = (const struct rte_flow_item_vxlan *)mask;
|
|
memcpy(vnet_id_m + 1, &vxp->hdr.vni, sizeof(vxp->hdr.vni));
|
|
|
|
rc = efx_mae_match_spec_field_set(ctx_mae->match_spec,
|
|
EFX_MAE_FIELD_ENC_VNET_ID_BE,
|
|
sizeof(vnet_id_v), vnet_id_v,
|
|
sizeof(vnet_id_m), vnet_id_m);
|
|
if (rc != 0) {
|
|
rc = rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_ITEM,
|
|
item, "Failed to set VXLAN VNI");
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static const struct sfc_flow_item sfc_flow_items[] = {
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_MARK,
|
|
.name = "MARK",
|
|
.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_mark,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_PORT_ID,
|
|
.name = "PORT_ID",
|
|
/*
|
|
* 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_port_id,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_PORT_REPRESENTOR,
|
|
.name = "PORT_REPRESENTOR",
|
|
/*
|
|
* 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_ethdev_based,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_REPRESENTED_PORT,
|
|
.name = "REPRESENTED_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_ethdev_based,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_ETH,
|
|
.name = "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,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_VLAN,
|
|
.name = "VLAN",
|
|
.prev_layer = SFC_FLOW_ITEM_L2,
|
|
.layer = SFC_FLOW_ITEM_L2,
|
|
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
|
|
.parse = sfc_mae_rule_parse_item_vlan,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_IPV4,
|
|
.name = "IPV4",
|
|
.prev_layer = SFC_FLOW_ITEM_L2,
|
|
.layer = SFC_FLOW_ITEM_L3,
|
|
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
|
|
.parse = sfc_mae_rule_parse_item_ipv4,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_IPV6,
|
|
.name = "IPV6",
|
|
.prev_layer = SFC_FLOW_ITEM_L2,
|
|
.layer = SFC_FLOW_ITEM_L3,
|
|
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
|
|
.parse = sfc_mae_rule_parse_item_ipv6,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_TCP,
|
|
.name = "TCP",
|
|
.prev_layer = SFC_FLOW_ITEM_L3,
|
|
.layer = SFC_FLOW_ITEM_L4,
|
|
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
|
|
.parse = sfc_mae_rule_parse_item_tcp,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_UDP,
|
|
.name = "UDP",
|
|
.prev_layer = SFC_FLOW_ITEM_L3,
|
|
.layer = SFC_FLOW_ITEM_L4,
|
|
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
|
|
.parse = sfc_mae_rule_parse_item_udp,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_VXLAN,
|
|
.name = "VXLAN",
|
|
.prev_layer = SFC_FLOW_ITEM_L4,
|
|
.layer = SFC_FLOW_ITEM_START_LAYER,
|
|
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
|
|
.parse = sfc_mae_rule_parse_item_tunnel,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_GENEVE,
|
|
.name = "GENEVE",
|
|
.prev_layer = SFC_FLOW_ITEM_L4,
|
|
.layer = SFC_FLOW_ITEM_START_LAYER,
|
|
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
|
|
.parse = sfc_mae_rule_parse_item_tunnel,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_NVGRE,
|
|
.name = "NVGRE",
|
|
.prev_layer = SFC_FLOW_ITEM_L3,
|
|
.layer = SFC_FLOW_ITEM_START_LAYER,
|
|
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
|
|
.parse = sfc_mae_rule_parse_item_tunnel,
|
|
},
|
|
};
|
|
|
|
#define SFC_MAE_CT_KEY_ET 0x01 /* EtherType */
|
|
#define SFC_MAE_CT_KEY_DA 0x02 /* IPv4/IPv6 destination address */
|
|
#define SFC_MAE_CT_KEY_SA 0x04 /* IPv4/IPv6 source address */
|
|
#define SFC_MAE_CT_KEY_L4 0x08 /* IPv4/IPv6 L4 protocol ID */
|
|
#define SFC_MAE_CT_KEY_DP 0x10 /* L4 destination port */
|
|
#define SFC_MAE_CT_KEY_SP 0x20 /* L4 source port */
|
|
|
|
#define SFC_MAE_CT_KEY_FIELD_SIZE_MAX sizeof(sfc_mae_conntrack_key_t)
|
|
|
|
static const struct sfc_mae_field_locator flocs_ct[] = {
|
|
{
|
|
EFX_MAE_FIELD_ETHER_TYPE_BE,
|
|
RTE_SIZEOF_FIELD(sfc_mae_conntrack_key_t, ether_type_le),
|
|
offsetof(sfc_mae_conntrack_key_t, ether_type_le),
|
|
SFC_MAE_CT_KEY_ET,
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_DST_IP4_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv4, hdr.dst_addr),
|
|
offsetof(sfc_mae_conntrack_key_t, dst_addr_le) +
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv6, hdr.dst_addr) -
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv4, hdr.dst_addr),
|
|
SFC_MAE_CT_KEY_DA,
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_SRC_IP4_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv4, hdr.src_addr),
|
|
offsetof(sfc_mae_conntrack_key_t, src_addr_le) +
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv6, hdr.src_addr) -
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv4, hdr.src_addr),
|
|
SFC_MAE_CT_KEY_SA,
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_DST_IP6_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv6, hdr.dst_addr),
|
|
offsetof(sfc_mae_conntrack_key_t, dst_addr_le),
|
|
SFC_MAE_CT_KEY_DA,
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_SRC_IP6_BE,
|
|
RTE_SIZEOF_FIELD(struct rte_flow_item_ipv6, hdr.src_addr),
|
|
offsetof(sfc_mae_conntrack_key_t, src_addr_le),
|
|
SFC_MAE_CT_KEY_SA,
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_IP_PROTO,
|
|
RTE_SIZEOF_FIELD(sfc_mae_conntrack_key_t, ip_proto),
|
|
offsetof(sfc_mae_conntrack_key_t, ip_proto),
|
|
SFC_MAE_CT_KEY_L4,
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_L4_DPORT_BE,
|
|
RTE_SIZEOF_FIELD(sfc_mae_conntrack_key_t, dst_port_le),
|
|
offsetof(sfc_mae_conntrack_key_t, dst_port_le),
|
|
SFC_MAE_CT_KEY_DP,
|
|
},
|
|
{
|
|
EFX_MAE_FIELD_L4_SPORT_BE,
|
|
RTE_SIZEOF_FIELD(sfc_mae_conntrack_key_t, src_port_le),
|
|
offsetof(sfc_mae_conntrack_key_t, src_port_le),
|
|
SFC_MAE_CT_KEY_SP,
|
|
},
|
|
};
|
|
|
|
static int
|
|
sfc_mae_rule_process_ct(struct sfc_adapter *sa, struct sfc_mae_parse_ctx *pctx,
|
|
struct sfc_mae_action_rule_ctx *action_rule_ctx,
|
|
struct sfc_flow_spec_mae *spec,
|
|
struct rte_flow_error *error)
|
|
{
|
|
efx_mae_match_spec_t *match_spec_tmp;
|
|
uint8_t ct_key_missing_fields =
|
|
SFC_MAE_CT_KEY_ET | SFC_MAE_CT_KEY_DA | SFC_MAE_CT_KEY_SA |
|
|
SFC_MAE_CT_KEY_L4 | SFC_MAE_CT_KEY_DP | SFC_MAE_CT_KEY_SP;
|
|
unsigned int i;
|
|
int rc;
|
|
|
|
if (pctx->ft_rule_type == SFC_FT_RULE_TUNNEL) {
|
|
/*
|
|
* TUNNEL rules have no network match fields that belong
|
|
* in an action rule match specification, so nothing can
|
|
* be possibly utilised for conntrack assistance offload.
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
if (!sfc_mae_conntrack_is_supported(sa))
|
|
return 0;
|
|
|
|
rc = efx_mae_match_spec_clone(sa->nic, pctx->match_spec_action,
|
|
&match_spec_tmp);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"AR: failed to clone the match specification");
|
|
}
|
|
|
|
for (i = 0; i < RTE_DIM(flocs_ct); ++i) {
|
|
const struct sfc_mae_field_locator *fl = &flocs_ct[i];
|
|
uint8_t mask_full[SFC_MAE_CT_KEY_FIELD_SIZE_MAX];
|
|
uint8_t mask_zero[SFC_MAE_CT_KEY_FIELD_SIZE_MAX];
|
|
uint8_t value[SFC_MAE_CT_KEY_FIELD_SIZE_MAX];
|
|
uint8_t mask[SFC_MAE_CT_KEY_FIELD_SIZE_MAX];
|
|
uint8_t *ct_key = (uint8_t *)&spec->ct_key;
|
|
efx_mae_field_id_t fid = fl->field_id;
|
|
unsigned int j;
|
|
|
|
rc = efx_mae_match_spec_field_get(match_spec_tmp, fid,
|
|
fl->size, value,
|
|
fl->size, mask);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"AR: failed to extract match field");
|
|
}
|
|
|
|
memset(mask_full, 0xff, fl->size);
|
|
|
|
if (memcmp(mask, mask_full, fl->size) != 0)
|
|
continue;
|
|
|
|
memset(mask_zero, 0, fl->size);
|
|
|
|
rc = efx_mae_match_spec_field_set(match_spec_tmp, fid,
|
|
fl->size, mask_zero,
|
|
fl->size, mask_zero);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"AR: failed to erase match field");
|
|
}
|
|
|
|
for (j = 0; j < fl->size; ++j) {
|
|
uint8_t *byte_dst = ct_key + fl->ofst + fl->size - 1 - j;
|
|
const uint8_t *byte_src = value + j;
|
|
|
|
*byte_dst = *byte_src;
|
|
}
|
|
|
|
ct_key_missing_fields &= ~(fl->ct_key_field);
|
|
}
|
|
|
|
if (ct_key_missing_fields != 0) {
|
|
efx_mae_match_spec_fini(sa->nic, match_spec_tmp);
|
|
return 0;
|
|
}
|
|
|
|
efx_mae_match_spec_fini(sa->nic, pctx->match_spec_action);
|
|
pctx->match_spec_action = match_spec_tmp;
|
|
|
|
if (pctx->ft_rule_type == SFC_FT_RULE_SWITCH) {
|
|
/*
|
|
* A SWITCH rule re-uses the corresponding TUNNEL rule's
|
|
* outer rule, where conntrack request should have been
|
|
* configured already, so skip outer rule processing.
|
|
*/
|
|
goto skip_outer_rule;
|
|
}
|
|
|
|
if (pctx->match_spec_outer == NULL) {
|
|
const struct sfc_mae_pattern_data *pdata = &pctx->pattern_data;
|
|
const struct sfc_mae_ethertype *et;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
rc = efx_mae_match_spec_init(sa->nic,
|
|
EFX_MAE_RULE_OUTER,
|
|
mae->nb_outer_rule_prios_max - 1,
|
|
&pctx->match_spec_outer);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"OR: failed to initialise the match specification");
|
|
}
|
|
|
|
/* Match on EtherType appears to be compulsory in outer rules */
|
|
|
|
et = &pdata->ethertypes[pdata->nb_vlan_tags];
|
|
|
|
rc = efx_mae_match_spec_field_set(pctx->match_spec_outer,
|
|
EFX_MAE_FIELD_ENC_ETHER_TYPE_BE,
|
|
sizeof(et->value), (const uint8_t *)&et->value,
|
|
sizeof(et->mask), (const uint8_t *)&et->mask);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"OR: failed to set match on EtherType");
|
|
}
|
|
}
|
|
|
|
rc = efx_mae_outer_rule_do_ct_set(pctx->match_spec_outer);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"OR: failed to request CT lookup");
|
|
}
|
|
|
|
skip_outer_rule:
|
|
/* Initial/dummy CT mark value */
|
|
action_rule_ctx->ct_mark = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#undef SFC_MAE_CT_KEY_ET
|
|
#undef SFC_MAE_CT_KEY_DA
|
|
#undef SFC_MAE_CT_KEY_SA
|
|
#undef SFC_MAE_CT_KEY_L4
|
|
#undef SFC_MAE_CT_KEY_DP
|
|
#undef SFC_MAE_CT_KEY_SP
|
|
|
|
static int
|
|
sfc_mae_rule_process_outer(struct sfc_adapter *sa,
|
|
struct sfc_mae_parse_ctx *ctx,
|
|
struct sfc_mae_outer_rule **rulep,
|
|
struct rte_flow_error *error)
|
|
{
|
|
efx_mae_rule_id_t or_id = { .id = EFX_MAE_RSRC_ID_INVALID };
|
|
int rc;
|
|
|
|
if (ctx->internal) {
|
|
/*
|
|
* A driver-internal flow may not comprise an outer rule,
|
|
* but it must not match on invalid outer rule ID since
|
|
* it must catch all missed packets, including those
|
|
* that hit an outer rule of another flow entry but
|
|
* do not hit a higher-priority action rule later.
|
|
* So do not set match on outer rule ID here.
|
|
*/
|
|
SFC_ASSERT(ctx->match_spec_outer == NULL);
|
|
*rulep = NULL;
|
|
return 0;
|
|
}
|
|
|
|
if (ctx->match_spec_outer == NULL) {
|
|
*rulep = NULL;
|
|
goto no_or_id;
|
|
}
|
|
|
|
if (!efx_mae_match_spec_is_valid(sa->nic, ctx->match_spec_outer)) {
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
|
|
"Inconsistent pattern (outer)");
|
|
}
|
|
|
|
*rulep = sfc_mae_outer_rule_attach(sa, ctx->match_spec_outer,
|
|
ctx->encap_type);
|
|
if (*rulep != NULL) {
|
|
efx_mae_match_spec_fini(sa->nic, ctx->match_spec_outer);
|
|
} else {
|
|
rc = sfc_mae_outer_rule_add(sa, ctx->match_spec_outer,
|
|
ctx->encap_type, rulep);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
|
|
"Failed to process the pattern");
|
|
}
|
|
}
|
|
|
|
/* The spec has now been tracked by the outer rule entry. */
|
|
ctx->match_spec_outer = NULL;
|
|
|
|
or_id.id = (*rulep)->fw_rsrc.rule_id.id;
|
|
|
|
no_or_id:
|
|
switch (ctx->ft_rule_type) {
|
|
case SFC_FT_RULE_NONE:
|
|
break;
|
|
case SFC_FT_RULE_TUNNEL:
|
|
/*
|
|
* Workaround. TUNNEL flows are not supposed to involve
|
|
* MAE action rules, but, due to the currently limited
|
|
* HW/FW implementation, action rules are still needed.
|
|
* See sfc_mae_rule_parse_pattern().
|
|
*/
|
|
break;
|
|
case SFC_FT_RULE_SWITCH:
|
|
/*
|
|
* Match on recirculation ID rather than
|
|
* on the outer rule allocation handle.
|
|
*/
|
|
rc = efx_mae_match_spec_recirc_id_set(ctx->match_spec_action,
|
|
SFC_FT_CTX_ID_TO_CTX_MARK(ctx->ft_ctx->id));
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"FT: SWITCH: AR: failed to request match on RECIRC_ID");
|
|
}
|
|
return 0;
|
|
default:
|
|
SFC_ASSERT(B_FALSE);
|
|
}
|
|
|
|
/*
|
|
* In MAE, lookup sequence comprises outer parse, outer rule lookup,
|
|
* inner parse (when some outer rule is hit) and action rule lookup.
|
|
* If the currently processed flow does not come with an outer rule,
|
|
* its action rule must be available only for packets which miss in
|
|
* outer rule table. Set OR_ID match field to 0xffffffff/0xffffffff
|
|
* in the action rule specification; this ensures correct behaviour.
|
|
*
|
|
* If, however, this flow does have an outer rule, OR_ID match must
|
|
* be set to the currently known value for that outer rule. It will
|
|
* be either 0xffffffff or some valid ID, depending on whether this
|
|
* outer rule is currently active (adapter state is STARTED) or not.
|
|
*/
|
|
rc = efx_mae_match_spec_outer_rule_id_set(ctx->match_spec_action,
|
|
&or_id);
|
|
if (rc != 0) {
|
|
sfc_mae_outer_rule_del(sa, *rulep);
|
|
*rulep = NULL;
|
|
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
|
|
"Failed to process the pattern");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_preparse_item_mark(const struct rte_flow_item_mark *spec,
|
|
struct sfc_mae_parse_ctx *ctx)
|
|
{
|
|
struct sfc_ft_ctx *ft_ctx;
|
|
uint32_t user_mark;
|
|
|
|
if (spec == NULL) {
|
|
sfc_err(ctx->sa, "FT: SWITCH: NULL spec in item MARK");
|
|
return EINVAL;
|
|
}
|
|
|
|
ft_ctx = sfc_ft_ctx_pick(ctx->sa, spec->id);
|
|
if (ft_ctx == NULL) {
|
|
sfc_err(ctx->sa, "FT: SWITCH: invalid context");
|
|
return EINVAL;
|
|
}
|
|
|
|
if (ft_ctx->refcnt == 0) {
|
|
sfc_err(ctx->sa, "FT: SWITCH: inactive context (ID=%u)",
|
|
ft_ctx->id);
|
|
return ENOENT;
|
|
}
|
|
|
|
user_mark = SFC_FT_FLOW_MARK_TO_USER_MARK(spec->id);
|
|
if (user_mark != 0) {
|
|
sfc_err(ctx->sa, "FT: SWITCH: invalid item MARK");
|
|
return EINVAL;
|
|
}
|
|
|
|
sfc_dbg(ctx->sa, "FT: SWITCH: detected");
|
|
|
|
ctx->ft_rule_type = SFC_FT_RULE_SWITCH;
|
|
ctx->ft_ctx = ft_ctx;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_encap_parse_init(struct sfc_adapter *sa,
|
|
struct sfc_mae_parse_ctx *ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item *pattern = ctx->pattern;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
bool request_ct = false;
|
|
uint8_t recirc_id = 0;
|
|
int rc;
|
|
|
|
if (pattern == NULL) {
|
|
rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM_NUM, NULL,
|
|
"NULL pattern");
|
|
return -rte_errno;
|
|
}
|
|
|
|
for (;;) {
|
|
switch (pattern->type) {
|
|
case RTE_FLOW_ITEM_TYPE_MARK:
|
|
rc = sfc_mae_rule_preparse_item_mark(pattern->spec,
|
|
ctx);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
pattern, "FT: SWITCH: invalid item MARK");
|
|
}
|
|
++pattern;
|
|
continue;
|
|
case RTE_FLOW_ITEM_TYPE_VXLAN:
|
|
ctx->encap_type = EFX_TUNNEL_PROTOCOL_VXLAN;
|
|
ctx->tunnel_def_mask = &rte_flow_item_vxlan_mask;
|
|
ctx->tunnel_def_mask_size =
|
|
sizeof(rte_flow_item_vxlan_mask);
|
|
break;
|
|
case RTE_FLOW_ITEM_TYPE_GENEVE:
|
|
ctx->encap_type = EFX_TUNNEL_PROTOCOL_GENEVE;
|
|
ctx->tunnel_def_mask = &rte_flow_item_geneve_mask;
|
|
ctx->tunnel_def_mask_size =
|
|
sizeof(rte_flow_item_geneve_mask);
|
|
break;
|
|
case RTE_FLOW_ITEM_TYPE_NVGRE:
|
|
ctx->encap_type = EFX_TUNNEL_PROTOCOL_NVGRE;
|
|
ctx->tunnel_def_mask = &rte_flow_item_nvgre_mask;
|
|
ctx->tunnel_def_mask_size =
|
|
sizeof(rte_flow_item_nvgre_mask);
|
|
break;
|
|
case RTE_FLOW_ITEM_TYPE_END:
|
|
break;
|
|
default:
|
|
++pattern;
|
|
continue;
|
|
};
|
|
|
|
break;
|
|
}
|
|
|
|
switch (ctx->ft_rule_type) {
|
|
case SFC_FT_RULE_NONE:
|
|
if (pattern->type == RTE_FLOW_ITEM_TYPE_END)
|
|
return 0;
|
|
break;
|
|
case SFC_FT_RULE_TUNNEL:
|
|
if (pattern->type != RTE_FLOW_ITEM_TYPE_END) {
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
pattern, "FT: TUNNEL: invalid item");
|
|
}
|
|
ctx->encap_type = ctx->ft_ctx->encap_type;
|
|
break;
|
|
case SFC_FT_RULE_SWITCH:
|
|
if (pattern->type == RTE_FLOW_ITEM_TYPE_END) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
NULL, "FT: SWITCH: missing tunnel item");
|
|
} else if (ctx->encap_type != ctx->ft_ctx->encap_type) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
pattern, "FT: SWITCH: tunnel type mismatch");
|
|
}
|
|
|
|
/*
|
|
* The HW/FW hasn't got support for the use of "ENC" fields in
|
|
* action rules (except the VNET_ID one) yet. As a workaround,
|
|
* start parsing the pattern from the tunnel item.
|
|
*/
|
|
ctx->pattern = pattern;
|
|
break;
|
|
default:
|
|
SFC_ASSERT(B_FALSE);
|
|
break;
|
|
}
|
|
|
|
if ((mae->encap_types_supported & (1U << ctx->encap_type)) == 0) {
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"OR: unsupported tunnel type");
|
|
}
|
|
|
|
switch (ctx->ft_rule_type) {
|
|
case SFC_FT_RULE_TUNNEL:
|
|
recirc_id = SFC_FT_CTX_ID_TO_CTX_MARK(ctx->ft_ctx->id);
|
|
|
|
if (sfc_mae_conntrack_is_supported(sa)) {
|
|
/*
|
|
* Request lookup in conntrack table since SWITCH rules
|
|
* are eligible to utilise this type of assistance.
|
|
*/
|
|
request_ct = true;
|
|
}
|
|
/* FALLTHROUGH */
|
|
case SFC_FT_RULE_NONE:
|
|
if (ctx->priority >= mae->nb_outer_rule_prios_max) {
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
|
|
NULL, "OR: unsupported priority level");
|
|
}
|
|
|
|
rc = efx_mae_match_spec_init(sa->nic,
|
|
EFX_MAE_RULE_OUTER, ctx->priority,
|
|
&ctx->match_spec_outer);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"OR: failed to initialise the match specification");
|
|
}
|
|
|
|
/*
|
|
* Outermost items comprise a match
|
|
* specification of type OUTER.
|
|
*/
|
|
ctx->match_spec = ctx->match_spec_outer;
|
|
|
|
/* Outermost items use "ENC" EFX MAE field IDs. */
|
|
ctx->field_ids_remap = field_ids_remap_to_encap;
|
|
|
|
rc = efx_mae_outer_rule_recirc_id_set(ctx->match_spec,
|
|
recirc_id);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"OR: failed to initialise RECIRC_ID");
|
|
}
|
|
|
|
if (!request_ct)
|
|
break;
|
|
|
|
rc = efx_mae_outer_rule_do_ct_set(ctx->match_spec_outer);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"OR: failed to request CT lookup");
|
|
}
|
|
break;
|
|
case SFC_FT_RULE_SWITCH:
|
|
/* Outermost items -> "ENC" match fields in the action rule. */
|
|
ctx->field_ids_remap = field_ids_remap_to_encap;
|
|
ctx->match_spec = ctx->match_spec_action;
|
|
|
|
/* No own outer rule; match on TUNNEL OR's RECIRC_ID is used. */
|
|
ctx->encap_type = EFX_TUNNEL_PROTOCOL_NONE;
|
|
break;
|
|
default:
|
|
SFC_ASSERT(B_FALSE);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfc_mae_rule_encap_parse_fini(struct sfc_adapter *sa,
|
|
struct sfc_mae_parse_ctx *ctx)
|
|
{
|
|
if (ctx->match_spec_outer != NULL)
|
|
efx_mae_match_spec_fini(sa->nic, ctx->match_spec_outer);
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_pattern(struct sfc_adapter *sa,
|
|
const struct rte_flow_item pattern[],
|
|
struct rte_flow *flow,
|
|
struct sfc_mae_action_rule_ctx *action_rule_ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct sfc_flow_spec_mae *spec = &flow->spec.mae;
|
|
struct sfc_mae_outer_rule **outer_rulep;
|
|
struct sfc_mae_parse_ctx ctx_mae;
|
|
unsigned int priority_shift = 0;
|
|
struct sfc_flow_parse_ctx ctx;
|
|
int rc;
|
|
|
|
memset(&ctx_mae, 0, sizeof(ctx_mae));
|
|
ctx_mae.ft_rule_type = spec->ft_rule_type;
|
|
ctx_mae.internal = flow->internal;
|
|
ctx_mae.priority = spec->priority;
|
|
ctx_mae.ft_ctx = spec->ft_ctx;
|
|
ctx_mae.sa = sa;
|
|
|
|
outer_rulep = &action_rule_ctx->outer_rule;
|
|
|
|
switch (ctx_mae.ft_rule_type) {
|
|
case SFC_FT_RULE_TUNNEL:
|
|
/*
|
|
* By design, this flow should be represented solely by the
|
|
* outer rule. But the HW/FW hasn't got support for setting
|
|
* Rx mark from RECIRC_ID on outer rule lookup yet. Neither
|
|
* does it support outer rule counters. As a workaround, an
|
|
* action rule of lower priority is used to do the job.
|
|
*/
|
|
priority_shift = 1;
|
|
|
|
/* FALLTHROUGH */
|
|
case SFC_FT_RULE_SWITCH:
|
|
if (ctx_mae.priority != 0) {
|
|
/*
|
|
* Because of the above workaround, deny the use
|
|
* of priorities to TUNNEL and SWITCH rules.
|
|
*/
|
|
rc = rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY, NULL,
|
|
"FT: priorities are not supported");
|
|
goto fail_priority_check;
|
|
}
|
|
|
|
/* FALLTHROUGH */
|
|
case SFC_FT_RULE_NONE:
|
|
rc = efx_mae_match_spec_init(sa->nic, EFX_MAE_RULE_ACTION,
|
|
spec->priority + priority_shift,
|
|
&ctx_mae.match_spec_action);
|
|
if (rc != 0) {
|
|
rc = rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"AR: failed to initialise the match specification");
|
|
goto fail_init_match_spec_action;
|
|
}
|
|
break;
|
|
default:
|
|
rc = rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"FT: unexpected rule type");
|
|
goto fail_unexpected_ft_rule_type;
|
|
}
|
|
|
|
/*
|
|
* As a preliminary setting, assume that there is no encapsulation
|
|
* in the pattern. That is, pattern items are about to comprise a
|
|
* match specification of type ACTION and use non-encap. field IDs.
|
|
*
|
|
* sfc_mae_rule_encap_parse_init() below may override this.
|
|
*/
|
|
ctx_mae.encap_type = EFX_TUNNEL_PROTOCOL_NONE;
|
|
ctx_mae.match_spec = ctx_mae.match_spec_action;
|
|
ctx_mae.field_ids_remap = field_ids_no_remap;
|
|
ctx_mae.pattern = pattern;
|
|
|
|
ctx.type = SFC_FLOW_PARSE_CTX_MAE;
|
|
ctx.mae = &ctx_mae;
|
|
|
|
rc = sfc_mae_rule_encap_parse_init(sa, &ctx_mae, error);
|
|
if (rc != 0)
|
|
goto fail_encap_parse_init;
|
|
|
|
/*
|
|
* sfc_mae_rule_encap_parse_init() may have detected tunnel offload
|
|
* SWITCH rule. Remember its properties for later use.
|
|
*/
|
|
spec->ft_rule_type = ctx_mae.ft_rule_type;
|
|
spec->ft_ctx = ctx_mae.ft_ctx;
|
|
|
|
rc = sfc_flow_parse_pattern(sa, sfc_flow_items, RTE_DIM(sfc_flow_items),
|
|
ctx_mae.pattern, &ctx, error);
|
|
if (rc != 0)
|
|
goto fail_parse_pattern;
|
|
|
|
rc = sfc_mae_rule_process_pattern_data(&ctx_mae, error);
|
|
if (rc != 0)
|
|
goto fail_process_pattern_data;
|
|
|
|
rc = sfc_mae_rule_process_ct(sa, &ctx_mae, action_rule_ctx,
|
|
spec, error);
|
|
if (rc != 0)
|
|
goto fail_process_ct;
|
|
|
|
rc = sfc_mae_rule_process_outer(sa, &ctx_mae, outer_rulep, error);
|
|
if (rc != 0)
|
|
goto fail_process_outer;
|
|
|
|
if (ctx_mae.match_spec_action != NULL &&
|
|
!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;
|
|
}
|
|
|
|
action_rule_ctx->match_spec = ctx_mae.match_spec_action;
|
|
|
|
return 0;
|
|
|
|
fail_validate_match_spec_action:
|
|
fail_process_outer:
|
|
fail_process_ct:
|
|
fail_process_pattern_data:
|
|
fail_parse_pattern:
|
|
sfc_mae_rule_encap_parse_fini(sa, &ctx_mae);
|
|
|
|
fail_encap_parse_init:
|
|
if (ctx_mae.match_spec_action != NULL)
|
|
efx_mae_match_spec_fini(sa->nic, ctx_mae.match_spec_action);
|
|
|
|
fail_unexpected_ft_rule_type:
|
|
fail_init_match_spec_action:
|
|
fail_priority_check:
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action_set_mac(struct sfc_adapter *sa,
|
|
enum sfc_mae_mac_addr_type type,
|
|
const struct rte_flow_action_set_mac *conf,
|
|
struct sfc_mae_aset_ctx *ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct sfc_mae_mac_addr **mac_addrp;
|
|
int rc;
|
|
|
|
if (conf == NULL) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"the MAC address entry definition is NULL");
|
|
}
|
|
|
|
switch (type) {
|
|
case SFC_MAE_MAC_ADDR_DST:
|
|
rc = efx_mae_action_set_populate_set_dst_mac(ctx->spec);
|
|
mac_addrp = &ctx->dst_mac;
|
|
break;
|
|
case SFC_MAE_MAC_ADDR_SRC:
|
|
rc = efx_mae_action_set_populate_set_src_mac(ctx->spec);
|
|
mac_addrp = &ctx->src_mac;
|
|
break;
|
|
default:
|
|
rc = EINVAL;
|
|
break;
|
|
}
|
|
|
|
if (rc != 0)
|
|
goto error;
|
|
|
|
*mac_addrp = sfc_mae_mac_addr_attach(sa, conf->mac_addr);
|
|
if (*mac_addrp != NULL)
|
|
return 0;
|
|
|
|
rc = sfc_mae_mac_addr_add(sa, conf->mac_addr, mac_addrp);
|
|
if (rc != 0)
|
|
goto error;
|
|
|
|
return 0;
|
|
|
|
error:
|
|
return rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_ACTION,
|
|
NULL, "failed to request set MAC action");
|
|
}
|
|
|
|
/*
|
|
* 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,
|
|
SFC_MAE_ACTIONS_BUNDLE_NAT_DST,
|
|
SFC_MAE_ACTIONS_BUNDLE_NAT_SRC,
|
|
};
|
|
|
|
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,
|
|
struct sfc_flow_spec_mae *flow_spec,
|
|
bool ct, 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;
|
|
case SFC_MAE_ACTIONS_BUNDLE_NAT_DST:
|
|
flow_spec->ct_resp.nat.dir_is_dst = true;
|
|
/* FALLTHROUGH */
|
|
case SFC_MAE_ACTIONS_BUNDLE_NAT_SRC:
|
|
if (ct && flow_spec->ct_resp.nat.ip_le != 0 &&
|
|
flow_spec->ct_resp.nat.port_le != 0)
|
|
rc = efx_mae_action_set_populate_nat(spec);
|
|
else
|
|
rc = EINVAL;
|
|
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,
|
|
struct sfc_flow_spec_mae *flow_spec,
|
|
efx_mae_actions_t *spec, bool ct,
|
|
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;
|
|
case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
|
|
case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
|
|
bundle_type_new = SFC_MAE_ACTIONS_BUNDLE_NAT_DST;
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
|
|
case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
|
|
bundle_type_new = SFC_MAE_ACTIONS_BUNDLE_NAT_SRC;
|
|
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, flow_spec, ct, 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_nat_addr(const struct rte_flow_action_set_ipv4 *conf,
|
|
uint32_t *nat_addr_le)
|
|
{
|
|
*nat_addr_le = rte_bswap32(conf->ipv4_addr);
|
|
}
|
|
|
|
static void
|
|
sfc_mae_rule_parse_action_nat_port(const struct rte_flow_action_set_tp *conf,
|
|
uint16_t *nat_port_le)
|
|
{
|
|
*nat_port_le = rte_bswap16(conf->port);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
struct sfc_mae_parsed_item {
|
|
const struct rte_flow_item *item;
|
|
size_t proto_header_ofst;
|
|
size_t proto_header_size;
|
|
};
|
|
|
|
/*
|
|
* For each 16-bit word of the given header, override
|
|
* bits enforced by the corresponding 16-bit mask.
|
|
*/
|
|
static void
|
|
sfc_mae_header_force_item_masks(uint8_t *header_buf,
|
|
const struct sfc_mae_parsed_item *parsed_items,
|
|
unsigned int nb_parsed_items)
|
|
{
|
|
unsigned int item_idx;
|
|
|
|
for (item_idx = 0; item_idx < nb_parsed_items; ++item_idx) {
|
|
const struct sfc_mae_parsed_item *parsed_item;
|
|
const struct rte_flow_item *item;
|
|
size_t proto_header_size;
|
|
size_t ofst;
|
|
|
|
parsed_item = &parsed_items[item_idx];
|
|
proto_header_size = parsed_item->proto_header_size;
|
|
item = parsed_item->item;
|
|
|
|
for (ofst = 0; ofst < proto_header_size;
|
|
ofst += sizeof(rte_be16_t)) {
|
|
rte_be16_t *wp = RTE_PTR_ADD(header_buf, ofst);
|
|
const rte_be16_t *w_maskp;
|
|
const rte_be16_t *w_specp;
|
|
|
|
w_maskp = RTE_PTR_ADD(item->mask, ofst);
|
|
w_specp = RTE_PTR_ADD(item->spec, ofst);
|
|
|
|
*wp &= ~(*w_maskp);
|
|
*wp |= (*w_specp & *w_maskp);
|
|
}
|
|
|
|
header_buf += proto_header_size;
|
|
}
|
|
}
|
|
|
|
#define SFC_IPV4_TTL_DEF 0x40
|
|
#define SFC_IPV6_VTC_FLOW_DEF 0x60000000
|
|
#define SFC_IPV6_HOP_LIMITS_DEF 0xff
|
|
#define SFC_VXLAN_FLAGS_DEF 0x08000000
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action_vxlan_encap(
|
|
struct sfc_mae *mae,
|
|
const struct rte_flow_action_vxlan_encap *conf,
|
|
efx_mae_actions_t *spec,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct sfc_mae_bounce_eh *bounce_eh = &mae->bounce_eh;
|
|
struct rte_flow_item *pattern = conf->definition;
|
|
uint8_t *buf = bounce_eh->buf;
|
|
|
|
/* This array will keep track of non-VOID pattern items. */
|
|
struct sfc_mae_parsed_item parsed_items[1 /* Ethernet */ +
|
|
2 /* VLAN tags */ +
|
|
1 /* IPv4 or IPv6 */ +
|
|
1 /* UDP */ +
|
|
1 /* VXLAN */];
|
|
unsigned int nb_parsed_items = 0;
|
|
|
|
size_t eth_ethertype_ofst = offsetof(struct rte_ether_hdr, ether_type);
|
|
uint8_t dummy_buf[RTE_MAX(sizeof(struct rte_ipv4_hdr),
|
|
sizeof(struct rte_ipv6_hdr))];
|
|
struct rte_ipv4_hdr *ipv4 = (void *)dummy_buf;
|
|
struct rte_ipv6_hdr *ipv6 = (void *)dummy_buf;
|
|
struct rte_vxlan_hdr *vxlan = NULL;
|
|
struct rte_udp_hdr *udp = NULL;
|
|
unsigned int nb_vlan_tags = 0;
|
|
size_t next_proto_ofst = 0;
|
|
size_t ethertype_ofst = 0;
|
|
uint64_t exp_items;
|
|
int rc;
|
|
|
|
if (pattern == NULL) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"The encap. header definition is NULL");
|
|
}
|
|
|
|
bounce_eh->type = EFX_TUNNEL_PROTOCOL_VXLAN;
|
|
bounce_eh->size = 0;
|
|
|
|
/*
|
|
* Process pattern items and remember non-VOID ones.
|
|
* Defer applying masks until after the complete header
|
|
* has been built from the pattern items.
|
|
*/
|
|
exp_items = RTE_BIT64(RTE_FLOW_ITEM_TYPE_ETH);
|
|
|
|
for (; pattern->type != RTE_FLOW_ITEM_TYPE_END; ++pattern) {
|
|
struct sfc_mae_parsed_item *parsed_item;
|
|
const uint64_t exp_items_extra_vlan[] = {
|
|
RTE_BIT64(RTE_FLOW_ITEM_TYPE_VLAN), 0
|
|
};
|
|
size_t proto_header_size;
|
|
rte_be16_t *ethertypep;
|
|
uint8_t *next_protop;
|
|
uint8_t *buf_cur;
|
|
|
|
if (pattern->spec == NULL) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"NULL item spec in the encap. header");
|
|
}
|
|
|
|
if (pattern->mask == NULL) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"NULL item mask in the encap. header");
|
|
}
|
|
|
|
if (pattern->last != NULL) {
|
|
/* This is not a match pattern, so disallow range. */
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"Range item in the encap. header");
|
|
}
|
|
|
|
if (pattern->type == RTE_FLOW_ITEM_TYPE_VOID) {
|
|
/* Handle VOID separately, for clarity. */
|
|
continue;
|
|
}
|
|
|
|
if ((exp_items & RTE_BIT64(pattern->type)) == 0) {
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"Unexpected item in the encap. header");
|
|
}
|
|
|
|
parsed_item = &parsed_items[nb_parsed_items];
|
|
buf_cur = buf + bounce_eh->size;
|
|
|
|
switch (pattern->type) {
|
|
case RTE_FLOW_ITEM_TYPE_ETH:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ITEM_TYPE_ETH,
|
|
exp_items);
|
|
RTE_BUILD_BUG_ON(offsetof(struct rte_flow_item_eth,
|
|
hdr) != 0);
|
|
|
|
proto_header_size = sizeof(struct rte_ether_hdr);
|
|
|
|
ethertype_ofst = eth_ethertype_ofst;
|
|
|
|
exp_items = RTE_BIT64(RTE_FLOW_ITEM_TYPE_VLAN) |
|
|
RTE_BIT64(RTE_FLOW_ITEM_TYPE_IPV4) |
|
|
RTE_BIT64(RTE_FLOW_ITEM_TYPE_IPV6);
|
|
break;
|
|
case RTE_FLOW_ITEM_TYPE_VLAN:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ITEM_TYPE_VLAN,
|
|
exp_items);
|
|
RTE_BUILD_BUG_ON(offsetof(struct rte_flow_item_vlan,
|
|
hdr) != 0);
|
|
|
|
proto_header_size = sizeof(struct rte_vlan_hdr);
|
|
|
|
ethertypep = RTE_PTR_ADD(buf, eth_ethertype_ofst);
|
|
*ethertypep = RTE_BE16(RTE_ETHER_TYPE_QINQ);
|
|
|
|
ethertypep = RTE_PTR_ADD(buf, ethertype_ofst);
|
|
*ethertypep = RTE_BE16(RTE_ETHER_TYPE_VLAN);
|
|
|
|
ethertype_ofst =
|
|
bounce_eh->size +
|
|
offsetof(struct rte_vlan_hdr, eth_proto);
|
|
|
|
exp_items = RTE_BIT64(RTE_FLOW_ITEM_TYPE_IPV4) |
|
|
RTE_BIT64(RTE_FLOW_ITEM_TYPE_IPV6);
|
|
exp_items |= exp_items_extra_vlan[nb_vlan_tags];
|
|
|
|
++nb_vlan_tags;
|
|
break;
|
|
case RTE_FLOW_ITEM_TYPE_IPV4:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ITEM_TYPE_IPV4,
|
|
exp_items);
|
|
RTE_BUILD_BUG_ON(offsetof(struct rte_flow_item_ipv4,
|
|
hdr) != 0);
|
|
|
|
proto_header_size = sizeof(struct rte_ipv4_hdr);
|
|
|
|
ethertypep = RTE_PTR_ADD(buf, ethertype_ofst);
|
|
*ethertypep = RTE_BE16(RTE_ETHER_TYPE_IPV4);
|
|
|
|
next_proto_ofst =
|
|
bounce_eh->size +
|
|
offsetof(struct rte_ipv4_hdr, next_proto_id);
|
|
|
|
ipv4 = (struct rte_ipv4_hdr *)buf_cur;
|
|
|
|
exp_items = RTE_BIT64(RTE_FLOW_ITEM_TYPE_UDP);
|
|
break;
|
|
case RTE_FLOW_ITEM_TYPE_IPV6:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ITEM_TYPE_IPV6,
|
|
exp_items);
|
|
RTE_BUILD_BUG_ON(offsetof(struct rte_flow_item_ipv6,
|
|
hdr) != 0);
|
|
|
|
proto_header_size = sizeof(struct rte_ipv6_hdr);
|
|
|
|
ethertypep = RTE_PTR_ADD(buf, ethertype_ofst);
|
|
*ethertypep = RTE_BE16(RTE_ETHER_TYPE_IPV6);
|
|
|
|
next_proto_ofst = bounce_eh->size +
|
|
offsetof(struct rte_ipv6_hdr, proto);
|
|
|
|
ipv6 = (struct rte_ipv6_hdr *)buf_cur;
|
|
|
|
exp_items = RTE_BIT64(RTE_FLOW_ITEM_TYPE_UDP);
|
|
break;
|
|
case RTE_FLOW_ITEM_TYPE_UDP:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ITEM_TYPE_UDP,
|
|
exp_items);
|
|
RTE_BUILD_BUG_ON(offsetof(struct rte_flow_item_udp,
|
|
hdr) != 0);
|
|
|
|
proto_header_size = sizeof(struct rte_udp_hdr);
|
|
|
|
next_protop = RTE_PTR_ADD(buf, next_proto_ofst);
|
|
*next_protop = IPPROTO_UDP;
|
|
|
|
udp = (struct rte_udp_hdr *)buf_cur;
|
|
|
|
exp_items = RTE_BIT64(RTE_FLOW_ITEM_TYPE_VXLAN);
|
|
break;
|
|
case RTE_FLOW_ITEM_TYPE_VXLAN:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ITEM_TYPE_VXLAN,
|
|
exp_items);
|
|
RTE_BUILD_BUG_ON(offsetof(struct rte_flow_item_vxlan,
|
|
hdr) != 0);
|
|
|
|
proto_header_size = sizeof(struct rte_vxlan_hdr);
|
|
|
|
vxlan = (struct rte_vxlan_hdr *)buf_cur;
|
|
|
|
udp->dst_port = RTE_BE16(RTE_VXLAN_DEFAULT_PORT);
|
|
udp->dgram_len = RTE_BE16(sizeof(*udp) +
|
|
sizeof(*vxlan));
|
|
udp->dgram_cksum = 0;
|
|
|
|
exp_items = 0;
|
|
break;
|
|
default:
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"Unknown item in the encap. header");
|
|
}
|
|
|
|
if (bounce_eh->size + proto_header_size > bounce_eh->buf_size) {
|
|
return rte_flow_error_set(error, E2BIG,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"The encap. header is too big");
|
|
}
|
|
|
|
if ((proto_header_size & 1) != 0) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"Odd layer size in the encap. header");
|
|
}
|
|
|
|
rte_memcpy(buf_cur, pattern->spec, proto_header_size);
|
|
bounce_eh->size += proto_header_size;
|
|
|
|
parsed_item->item = pattern;
|
|
parsed_item->proto_header_size = proto_header_size;
|
|
++nb_parsed_items;
|
|
}
|
|
|
|
if (exp_items != 0) {
|
|
/* Parsing item VXLAN would have reset exp_items to 0. */
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"No item VXLAN in the encap. header");
|
|
}
|
|
|
|
/* One of the pointers (ipv4, ipv6) refers to a dummy area. */
|
|
ipv4->version_ihl = RTE_IPV4_VHL_DEF;
|
|
ipv4->time_to_live = SFC_IPV4_TTL_DEF;
|
|
ipv4->total_length = RTE_BE16(sizeof(*ipv4) + sizeof(*udp) +
|
|
sizeof(*vxlan));
|
|
/* The HW cannot compute this checksum. */
|
|
ipv4->hdr_checksum = 0;
|
|
ipv4->hdr_checksum = rte_ipv4_cksum(ipv4);
|
|
|
|
ipv6->vtc_flow = RTE_BE32(SFC_IPV6_VTC_FLOW_DEF);
|
|
ipv6->hop_limits = SFC_IPV6_HOP_LIMITS_DEF;
|
|
ipv6->payload_len = udp->dgram_len;
|
|
|
|
vxlan->vx_flags = RTE_BE32(SFC_VXLAN_FLAGS_DEF);
|
|
|
|
/* Take care of the masks. */
|
|
sfc_mae_header_force_item_masks(buf, parsed_items, nb_parsed_items);
|
|
|
|
if (spec == NULL)
|
|
return 0;
|
|
|
|
rc = efx_mae_action_set_populate_encap(spec);
|
|
if (rc != 0) {
|
|
rc = rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_ACTION,
|
|
NULL, "failed to request action ENCAP");
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action_mark(struct sfc_adapter *sa,
|
|
const struct rte_flow_action_mark *conf,
|
|
const struct sfc_flow_spec_mae *spec_mae,
|
|
efx_mae_actions_t *spec)
|
|
{
|
|
int rc;
|
|
|
|
if (spec_mae->ft_rule_type == SFC_FT_RULE_TUNNEL) {
|
|
/* Workaround. See sfc_flow_parse_rte_to_mae() */
|
|
} else if (conf->id > SFC_FT_USER_MARK_MASK) {
|
|
sfc_err(sa, "the mark value is too large");
|
|
return EINVAL;
|
|
}
|
|
|
|
rc = efx_mae_action_set_populate_mark(spec, conf->id);
|
|
if (rc != 0)
|
|
sfc_err(sa, "failed to request action MARK: %s", strerror(rc));
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action_count(struct sfc_adapter *sa,
|
|
const struct rte_flow_action_count *conf,
|
|
efx_counter_type_t mae_counter_type,
|
|
struct sfc_mae_counter **counterp,
|
|
efx_mae_actions_t *spec)
|
|
{
|
|
struct sfc_mae_counter counter_tmp = {};
|
|
int rc;
|
|
|
|
if ((sa->counter_rxq.state & SFC_COUNTER_RXQ_INITIALIZED) == 0) {
|
|
sfc_err(sa,
|
|
"counter queue is not configured for COUNT action");
|
|
rc = EINVAL;
|
|
goto fail_counter_queue_uninit;
|
|
}
|
|
|
|
if (sfc_get_service_lcore(SOCKET_ID_ANY) == RTE_MAX_LCORE) {
|
|
rc = EINVAL;
|
|
goto fail_no_service_core;
|
|
}
|
|
|
|
if (*counterp != NULL) {
|
|
sfc_err(sa, "cannot request more than 1 action COUNT per flow");
|
|
rc = EINVAL;
|
|
goto fail_more_than_one;
|
|
}
|
|
|
|
if (spec != NULL) {
|
|
rc = efx_mae_action_set_populate_count(spec);
|
|
if (rc != 0) {
|
|
sfc_err(sa,
|
|
"failed to populate counters in MAE action set: %s",
|
|
rte_strerror(rc));
|
|
goto fail_populate_count;
|
|
}
|
|
}
|
|
|
|
if (conf != NULL) {
|
|
counter_tmp.rte_id_valid = true;
|
|
counter_tmp.rte_id = conf->id;
|
|
}
|
|
|
|
counter_tmp.type = mae_counter_type;
|
|
|
|
return sfc_mae_counter_add(sa, &counter_tmp, counterp);
|
|
|
|
return 0;
|
|
|
|
fail_populate_count:
|
|
fail_more_than_one:
|
|
fail_no_service_core:
|
|
fail_counter_queue_uninit:
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action_indirect(struct sfc_adapter *sa, bool replayable_only,
|
|
const struct rte_flow_action_handle *handle,
|
|
enum sfc_ft_rule_type ft_rule_type,
|
|
struct sfc_mae_aset_ctx *ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct rte_flow_action_handle *entry;
|
|
int rc;
|
|
|
|
TAILQ_FOREACH(entry, &sa->flow_indir_actions, entries) {
|
|
if (entry == handle) {
|
|
bool replayable = false;
|
|
|
|
sfc_dbg(sa, "attaching to indirect_action=%p", entry);
|
|
|
|
switch (entry->type) {
|
|
case RTE_FLOW_ACTION_TYPE_COUNT:
|
|
replayable = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (replayable_only && !replayable) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"the indirect action handle cannot be used");
|
|
}
|
|
|
|
switch (entry->type) {
|
|
case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
|
|
if (ctx->encap_header != NULL) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"cannot have multiple actions VXLAN_ENCAP in one flow");
|
|
}
|
|
|
|
rc = efx_mae_action_set_populate_encap(ctx->spec);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"failed to add ENCAP to MAE action set");
|
|
}
|
|
|
|
ctx->encap_header = entry->encap_header;
|
|
++(ctx->encap_header->refcnt);
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_COUNT:
|
|
if (!replayable_only && ctx->counter != NULL) {
|
|
/*
|
|
* Signal the caller to "replay" the action
|
|
* set context and re-invoke this function.
|
|
*/
|
|
return EEXIST;
|
|
}
|
|
|
|
if (ft_rule_type != SFC_FT_RULE_NONE) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"cannot use indirect count action in tunnel model");
|
|
}
|
|
|
|
SFC_ASSERT(ctx->counter == NULL);
|
|
|
|
rc = efx_mae_action_set_populate_count(ctx->spec);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"failed to add COUNT to MAE action set");
|
|
}
|
|
|
|
ctx->counter = entry->counter;
|
|
++(ctx->counter->refcnt);
|
|
break;
|
|
default:
|
|
SFC_ASSERT(B_FALSE);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return rte_flow_error_set(error, ENOENT,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"indirect action handle not found");
|
|
}
|
|
|
|
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) {
|
|
sfc_err(sa, "failed to convert PF %u VF %d to m-port: %s",
|
|
encp->enc_pf, (vf != EFX_PCI_VF_INVALID) ? (int)vf : -1,
|
|
strerror(rc));
|
|
return rc;
|
|
}
|
|
|
|
rc = efx_mae_action_set_populate_deliver(spec, &mport);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to request action DELIVER with m-port selector 0x%08x: %s",
|
|
mport.sel, strerror(rc));
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action_port_id(struct sfc_adapter *sa,
|
|
const struct rte_flow_action_port_id *conf,
|
|
efx_mae_actions_t *spec)
|
|
{
|
|
struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
|
|
struct sfc_mae *mae = &sa->mae;
|
|
unsigned int type_mask;
|
|
efx_mport_sel_t mport;
|
|
uint16_t port_id;
|
|
int rc;
|
|
|
|
if (conf->id > UINT16_MAX)
|
|
return EOVERFLOW;
|
|
|
|
port_id = (conf->original != 0) ? sas->port_id : conf->id;
|
|
|
|
type_mask = 1U << SFC_MAE_SWITCH_PORT_INDEPENDENT;
|
|
|
|
rc = sfc_mae_switch_get_ethdev_mport(mae->switch_domain_id,
|
|
port_id, type_mask, &mport);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to get m-port for the given ethdev (port_id=%u): %s",
|
|
port_id, strerror(rc));
|
|
return rc;
|
|
}
|
|
|
|
rc = efx_mae_action_set_populate_deliver(spec, &mport);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to request action DELIVER with m-port selector 0x%08x: %s",
|
|
mport.sel, strerror(rc));
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action_port_representor(struct sfc_adapter *sa,
|
|
const struct rte_flow_action_ethdev *conf,
|
|
unsigned int type_mask, efx_mae_actions_t *spec)
|
|
{
|
|
struct sfc_mae *mae = &sa->mae;
|
|
efx_mport_sel_t mport;
|
|
int rc;
|
|
|
|
rc = sfc_mae_switch_get_ethdev_mport(mae->switch_domain_id,
|
|
conf->port_id, type_mask, &mport);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to get m-port for the given ethdev (port_id=%u): %s",
|
|
conf->port_id, strerror(rc));
|
|
return rc;
|
|
}
|
|
|
|
rc = efx_mae_action_set_populate_deliver(spec, &mport);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to request action DELIVER with m-port selector 0x%08x: %s",
|
|
mport.sel, strerror(rc));
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action_represented_port(struct sfc_adapter *sa,
|
|
const struct rte_flow_action_ethdev *conf,
|
|
efx_mae_actions_t *spec)
|
|
{
|
|
struct sfc_mae *mae = &sa->mae;
|
|
efx_mport_sel_t mport;
|
|
int rc;
|
|
|
|
rc = sfc_mae_switch_get_entity_mport(mae->switch_domain_id,
|
|
conf->port_id, &mport);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to get m-port for the given ethdev (port_id=%u): %s",
|
|
conf->port_id, strerror(rc));
|
|
return rc;
|
|
}
|
|
|
|
rc = efx_mae_action_set_populate_deliver(spec, &mport);
|
|
if (rc != 0) {
|
|
sfc_err(sa, "failed to request action DELIVER with m-port selector 0x%08x: %s",
|
|
mport.sel, strerror(rc));
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static const char * const action_names[] = {
|
|
[RTE_FLOW_ACTION_TYPE_VXLAN_DECAP] = "VXLAN_DECAP",
|
|
[RTE_FLOW_ACTION_TYPE_OF_POP_VLAN] = "OF_POP_VLAN",
|
|
[RTE_FLOW_ACTION_TYPE_SET_MAC_DST] = "SET_MAC_DST",
|
|
[RTE_FLOW_ACTION_TYPE_SET_MAC_SRC] = "SET_MAC_SRC",
|
|
[RTE_FLOW_ACTION_TYPE_OF_DEC_NW_TTL] = "OF_DEC_NW_TTL",
|
|
[RTE_FLOW_ACTION_TYPE_DEC_TTL] = "DEC_TTL",
|
|
[RTE_FLOW_ACTION_TYPE_SET_IPV4_DST] = "SET_IPV4_DST",
|
|
[RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC] = "SET_IPV4_SRC",
|
|
[RTE_FLOW_ACTION_TYPE_SET_TP_DST] = "SET_TP_DST",
|
|
[RTE_FLOW_ACTION_TYPE_SET_TP_SRC] = "SET_TP_SRC",
|
|
[RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN] = "OF_PUSH_VLAN",
|
|
[RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID] = "OF_SET_VLAN_VID",
|
|
[RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP] = "OF_SET_VLAN_PCP",
|
|
[RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP] = "VXLAN_ENCAP",
|
|
[RTE_FLOW_ACTION_TYPE_COUNT] = "COUNT",
|
|
[RTE_FLOW_ACTION_TYPE_INDIRECT] = "INDIRECT",
|
|
[RTE_FLOW_ACTION_TYPE_FLAG] = "FLAG",
|
|
[RTE_FLOW_ACTION_TYPE_MARK] = "MARK",
|
|
[RTE_FLOW_ACTION_TYPE_PF] = "PF",
|
|
[RTE_FLOW_ACTION_TYPE_VF] = "VF",
|
|
[RTE_FLOW_ACTION_TYPE_PORT_ID] = "PORT_ID",
|
|
[RTE_FLOW_ACTION_TYPE_PORT_REPRESENTOR] = "PORT_REPRESENTOR",
|
|
[RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT] = "REPRESENTED_PORT",
|
|
[RTE_FLOW_ACTION_TYPE_DROP] = "DROP",
|
|
[RTE_FLOW_ACTION_TYPE_JUMP] = "JUMP",
|
|
};
|
|
|
|
static void sfc_mae_bounce_eh_invalidate(struct sfc_mae_bounce_eh *bounce_eh);
|
|
|
|
static int sfc_mae_process_encap_header(struct sfc_adapter *sa,
|
|
const struct sfc_mae_bounce_eh *bounce_eh,
|
|
struct sfc_mae_encap_header **encap_headerp);
|
|
|
|
static int
|
|
sfc_mae_aset_ctx_replay(struct sfc_adapter *sa, struct sfc_mae_aset_ctx **ctxp)
|
|
{
|
|
const struct sfc_mae_aset_ctx *ctx_cur;
|
|
struct sfc_mae_aset_ctx *ctx_new;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
int rc;
|
|
|
|
RTE_BUILD_BUG_ON(EFX_MAE_ACTION_SET_LIST_MAX_NENTRIES == 0);
|
|
|
|
/* Check the number of complete action set contexts. */
|
|
if (mae->nb_bounce_asets >= (EFX_MAE_ACTION_SET_LIST_MAX_NENTRIES - 1))
|
|
return ENOSPC;
|
|
|
|
ctx_cur = &mae->bounce_aset_ctxs[mae->nb_bounce_asets];
|
|
|
|
++(mae->nb_bounce_asets);
|
|
|
|
ctx_new = &mae->bounce_aset_ctxs[mae->nb_bounce_asets];
|
|
|
|
*ctx_new = *ctx_cur;
|
|
ctx_new->counter = NULL;
|
|
ctx_new->fate_set = false;
|
|
|
|
/*
|
|
* This clones the action set specification and drops
|
|
* actions COUNT and DELIVER from the clone so that
|
|
* such can be added to it by later action parsing.
|
|
*/
|
|
rc = efx_mae_action_set_replay(sa->nic, ctx_cur->spec, &ctx_new->spec);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
*ctxp = ctx_new;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action_rc(struct sfc_adapter *sa,
|
|
struct sfc_mae_actions_bundle *bundle,
|
|
const struct rte_flow_action *action,
|
|
struct rte_flow_error *error,
|
|
int rc, bool custom_error)
|
|
{
|
|
if (rc == 0) {
|
|
bundle->actions_mask |= (1ULL << action->type);
|
|
} else if (!custom_error) {
|
|
if (action->type < RTE_DIM(action_names)) {
|
|
const char *action_name = action_names[action->type];
|
|
|
|
if (action_name != NULL) {
|
|
sfc_err(sa, "action %s was rejected: %s",
|
|
action_name, strerror(rc));
|
|
}
|
|
}
|
|
rc = rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_ACTION,
|
|
NULL, "Failed to request the action");
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action_replayable(struct sfc_adapter *sa,
|
|
const struct rte_flow *flow,
|
|
struct sfc_mae_actions_bundle *bundle,
|
|
const struct rte_flow_action *action,
|
|
struct sfc_mae_aset_ctx *ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct sfc_flow_spec_mae *spec_mae = &flow->spec.mae;
|
|
efx_mae_actions_t *spec = ctx->spec;
|
|
unsigned int switch_port_type_mask;
|
|
bool custom_error = false;
|
|
bool new_fate_set = false;
|
|
bool need_replay = false;
|
|
int rc;
|
|
|
|
/*
|
|
* Decide whether the current action set context is
|
|
* complete. If yes, "replay" it = go to a new one.
|
|
*/
|
|
switch (action->type) {
|
|
case RTE_FLOW_ACTION_TYPE_INDIRECT:
|
|
if (ctx->fate_set || ctx->counter != NULL)
|
|
need_replay = true;
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_PF:
|
|
case RTE_FLOW_ACTION_TYPE_VF:
|
|
case RTE_FLOW_ACTION_TYPE_PORT_ID:
|
|
case RTE_FLOW_ACTION_TYPE_PORT_REPRESENTOR:
|
|
case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT:
|
|
/* FALLTHROUGH */
|
|
case RTE_FLOW_ACTION_TYPE_DROP:
|
|
if (ctx->fate_set)
|
|
need_replay = true;
|
|
|
|
new_fate_set = true;
|
|
break;
|
|
default:
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"Unsupported action");
|
|
}
|
|
|
|
if (need_replay) {
|
|
if (spec_mae->ft_rule_type != SFC_FT_RULE_NONE) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"no support for packet replay in tunnel offload");
|
|
}
|
|
|
|
if (!ctx->fate_set) {
|
|
/*
|
|
* With regard to replayable actions, the current action
|
|
* set is only needed to hold one of the counters.
|
|
* That is, it does not have a fate action, so
|
|
* add one to suppress undesired delivery.
|
|
*/
|
|
rc = efx_mae_action_set_populate_drop(spec);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"failed to auto-add action DROP");
|
|
}
|
|
}
|
|
|
|
rc = sfc_mae_aset_ctx_replay(sa, &ctx);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"failed to replay the action set");
|
|
}
|
|
|
|
spec = ctx->spec;
|
|
}
|
|
|
|
ctx->fate_set = new_fate_set;
|
|
|
|
switch (action->type) {
|
|
case RTE_FLOW_ACTION_TYPE_INDIRECT:
|
|
rc = sfc_mae_rule_parse_action_indirect(sa, true, action->conf,
|
|
spec_mae->ft_rule_type,
|
|
ctx, error);
|
|
custom_error = true;
|
|
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_PORT_ID:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_PORT_ID,
|
|
bundle->actions_mask);
|
|
rc = sfc_mae_rule_parse_action_port_id(sa, action->conf, spec);
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_PORT_REPRESENTOR:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_PORT_REPRESENTOR,
|
|
bundle->actions_mask);
|
|
|
|
switch_port_type_mask = 1U << SFC_MAE_SWITCH_PORT_INDEPENDENT;
|
|
|
|
if (flow->internal) {
|
|
switch_port_type_mask |=
|
|
1U << SFC_MAE_SWITCH_PORT_REPRESENTOR;
|
|
}
|
|
|
|
rc = sfc_mae_rule_parse_action_port_representor(sa,
|
|
action->conf, switch_port_type_mask, spec);
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT,
|
|
bundle->actions_mask);
|
|
rc = sfc_mae_rule_parse_action_represented_port(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:
|
|
SFC_ASSERT(B_FALSE);
|
|
break;
|
|
}
|
|
|
|
return sfc_mae_rule_parse_action_rc(sa, bundle, action, error,
|
|
rc, custom_error);
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_action(struct sfc_adapter *sa,
|
|
const struct rte_flow_action *action,
|
|
struct rte_flow *flow, bool ct,
|
|
struct sfc_mae_actions_bundle *bundle,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct sfc_flow_spec_mae *spec_mae = &flow->spec.mae;
|
|
const struct sfc_mae_outer_rule *outer_rule = spec_mae->outer_rule;
|
|
efx_counter_type_t mae_counter_type = EFX_COUNTER_TYPE_ACTION;
|
|
const uint64_t rx_metadata = sa->negotiated_rx_metadata;
|
|
struct sfc_mae_counter **counterp;
|
|
bool non_replayable_found = true;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
struct sfc_mae_aset_ctx *ctx;
|
|
efx_mae_actions_t *spec_ptr;
|
|
bool custom_error = B_FALSE;
|
|
efx_mae_actions_t *spec;
|
|
int rc = 0;
|
|
|
|
/* Check the number of complete action set contexts. */
|
|
if (mae->nb_bounce_asets > (EFX_MAE_ACTION_SET_LIST_MAX_NENTRIES - 1)) {
|
|
return sfc_mae_rule_parse_action_rc(sa, bundle, action, error,
|
|
ENOSPC, custom_error);
|
|
}
|
|
|
|
ctx = &mae->bounce_aset_ctxs[mae->nb_bounce_asets];
|
|
counterp = &ctx->counter;
|
|
spec = ctx->spec;
|
|
spec_ptr = spec;
|
|
|
|
if (ct) {
|
|
mae_counter_type = EFX_COUNTER_TYPE_CONNTRACK;
|
|
counterp = &spec_mae->ct_counter;
|
|
spec_ptr = NULL;
|
|
}
|
|
|
|
if (mae->nb_bounce_asets != 0 || ctx->fate_set) {
|
|
/*
|
|
* When at least one delivery action has been encountered,
|
|
* non-replayable actions (packet edits, for instance)
|
|
* will be turned down.
|
|
*/
|
|
return sfc_mae_rule_parse_action_replayable(sa, flow, bundle,
|
|
action, ctx, error);
|
|
}
|
|
|
|
switch (action->type) {
|
|
case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_VXLAN_DECAP,
|
|
bundle->actions_mask);
|
|
if (outer_rule == NULL ||
|
|
outer_rule->encap_type != EFX_TUNNEL_PROTOCOL_VXLAN)
|
|
rc = EINVAL;
|
|
else
|
|
rc = efx_mae_action_set_populate_decap(spec);
|
|
break;
|
|
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_SET_MAC_DST:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_SET_MAC_DST,
|
|
bundle->actions_mask);
|
|
rc = sfc_mae_rule_parse_action_set_mac(sa, SFC_MAE_MAC_ADDR_DST,
|
|
action->conf, ctx,
|
|
error);
|
|
custom_error = B_TRUE;
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_SET_MAC_SRC,
|
|
bundle->actions_mask);
|
|
rc = sfc_mae_rule_parse_action_set_mac(sa, SFC_MAE_MAC_ADDR_SRC,
|
|
action->conf, ctx,
|
|
error);
|
|
custom_error = B_TRUE;
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_OF_DEC_NW_TTL:
|
|
case RTE_FLOW_ACTION_TYPE_DEC_TTL:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_OF_DEC_NW_TTL,
|
|
bundle->actions_mask);
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_DEC_TTL,
|
|
bundle->actions_mask);
|
|
rc = efx_mae_action_set_populate_decr_ip_ttl(spec);
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
|
|
case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_SET_IPV4_DST,
|
|
bundle->actions_mask);
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC,
|
|
bundle->actions_mask);
|
|
sfc_mae_rule_parse_action_nat_addr(action->conf,
|
|
&spec_mae->ct_resp.nat.ip_le);
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
|
|
case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_SET_TP_DST,
|
|
bundle->actions_mask);
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_SET_TP_SRC,
|
|
bundle->actions_mask);
|
|
sfc_mae_rule_parse_action_nat_port(action->conf,
|
|
&spec_mae->ct_resp.nat.port_le);
|
|
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_VXLAN_ENCAP:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP,
|
|
bundle->actions_mask);
|
|
|
|
/* Cleanup after previous encap. header bounce buffer usage. */
|
|
sfc_mae_bounce_eh_invalidate(&mae->bounce_eh);
|
|
|
|
rc = sfc_mae_rule_parse_action_vxlan_encap(mae, action->conf,
|
|
spec, error);
|
|
if (rc == 0) {
|
|
rc = sfc_mae_process_encap_header(sa, &mae->bounce_eh,
|
|
&ctx->encap_header);
|
|
} else {
|
|
custom_error = true;
|
|
}
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_COUNT:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_COUNT,
|
|
bundle->actions_mask);
|
|
rc = sfc_mae_rule_parse_action_count(sa, action->conf,
|
|
mae_counter_type,
|
|
counterp, spec_ptr);
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_INDIRECT:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_INDIRECT,
|
|
bundle->actions_mask);
|
|
rc = sfc_mae_rule_parse_action_indirect(sa, false, action->conf,
|
|
spec_mae->ft_rule_type,
|
|
ctx, error);
|
|
if (rc == EEXIST) {
|
|
/* Handle the action as a replayable one below. */
|
|
non_replayable_found = false;
|
|
}
|
|
custom_error = B_TRUE;
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_FLAG:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_FLAG,
|
|
bundle->actions_mask);
|
|
if ((rx_metadata & RTE_ETH_RX_METADATA_USER_FLAG) != 0) {
|
|
rc = efx_mae_action_set_populate_flag(spec);
|
|
} else {
|
|
rc = rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION,
|
|
action,
|
|
"flag delivery has not been negotiated");
|
|
custom_error = B_TRUE;
|
|
}
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_MARK:
|
|
SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_MARK,
|
|
bundle->actions_mask);
|
|
if ((rx_metadata & RTE_ETH_RX_METADATA_USER_MARK) != 0 ||
|
|
spec_mae->ft_rule_type == SFC_FT_RULE_TUNNEL) {
|
|
rc = sfc_mae_rule_parse_action_mark(sa, action->conf,
|
|
spec_mae, spec);
|
|
} else {
|
|
rc = rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION,
|
|
action,
|
|
"mark delivery has not been negotiated");
|
|
custom_error = B_TRUE;
|
|
}
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_JUMP:
|
|
if (spec_mae->ft_rule_type == SFC_FT_RULE_TUNNEL) {
|
|
/* Workaround. See sfc_flow_parse_rte_to_mae() */
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
default:
|
|
non_replayable_found = false;
|
|
}
|
|
|
|
if (non_replayable_found) {
|
|
return sfc_mae_rule_parse_action_rc(sa, bundle, action, error,
|
|
rc, custom_error);
|
|
}
|
|
|
|
return sfc_mae_rule_parse_action_replayable(sa, flow, bundle,
|
|
action, ctx, error);
|
|
}
|
|
|
|
static void
|
|
sfc_mae_bounce_eh_invalidate(struct sfc_mae_bounce_eh *bounce_eh)
|
|
{
|
|
bounce_eh->type = EFX_TUNNEL_PROTOCOL_NONE;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_process_encap_header(struct sfc_adapter *sa,
|
|
const struct sfc_mae_bounce_eh *bounce_eh,
|
|
struct sfc_mae_encap_header **encap_headerp)
|
|
{
|
|
if (bounce_eh->type == EFX_TUNNEL_PROTOCOL_NONE) {
|
|
encap_headerp = NULL;
|
|
return 0;
|
|
}
|
|
|
|
*encap_headerp = sfc_mae_encap_header_attach(sa, bounce_eh);
|
|
if (*encap_headerp != NULL)
|
|
return 0;
|
|
|
|
return sfc_mae_encap_header_add(sa, bounce_eh, encap_headerp);
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_process_replay(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_rule_ctx *action_rule_ctx)
|
|
{
|
|
struct sfc_mae_action_set *base_aset;
|
|
struct sfc_mae_action_set **asetp;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
struct sfc_mae_aset_ctx *ctx;
|
|
unsigned int i;
|
|
unsigned int j;
|
|
int rc;
|
|
|
|
if (mae->nb_bounce_asets == 1)
|
|
return 0;
|
|
|
|
mae->bounce_aset_ptrs[0] = action_rule_ctx->action_set;
|
|
base_aset = mae->bounce_aset_ptrs[0];
|
|
|
|
for (i = 1; i < mae->nb_bounce_asets; ++i) {
|
|
asetp = &mae->bounce_aset_ptrs[i];
|
|
ctx = &mae->bounce_aset_ctxs[i];
|
|
|
|
*asetp = sfc_mae_action_set_attach(sa, ctx);
|
|
if (*asetp != NULL) {
|
|
efx_mae_action_set_spec_fini(sa->nic, ctx->spec);
|
|
sfc_mae_counter_del(sa, ctx->counter);
|
|
continue;
|
|
}
|
|
|
|
rc = sfc_mae_action_set_add(sa, ctx, asetp);
|
|
if (rc != 0)
|
|
goto fail_action_set_add;
|
|
|
|
if (base_aset->encap_header != NULL)
|
|
++(base_aset->encap_header->refcnt);
|
|
|
|
if (base_aset->dst_mac_addr != NULL)
|
|
++(base_aset->dst_mac_addr->refcnt);
|
|
|
|
if (base_aset->src_mac_addr != NULL)
|
|
++(base_aset->src_mac_addr->refcnt);
|
|
}
|
|
|
|
action_rule_ctx->action_set_list = sfc_mae_action_set_list_attach(sa);
|
|
if (action_rule_ctx->action_set_list != NULL) {
|
|
for (i = 0; i < mae->nb_bounce_asets; ++i)
|
|
sfc_mae_action_set_del(sa, mae->bounce_aset_ptrs[i]);
|
|
} else {
|
|
rc = sfc_mae_action_set_list_add(sa,
|
|
&action_rule_ctx->action_set_list);
|
|
if (rc != 0)
|
|
goto fail_action_set_list_add;
|
|
}
|
|
|
|
action_rule_ctx->action_set = NULL;
|
|
|
|
return 0;
|
|
|
|
fail_action_set_list_add:
|
|
fail_action_set_add:
|
|
for (j = i; j < mae->nb_bounce_asets; ++j) {
|
|
ctx = &mae->bounce_aset_ctxs[j];
|
|
efx_mae_action_set_spec_fini(sa->nic, ctx->spec);
|
|
sfc_mae_counter_del(sa, ctx->counter);
|
|
}
|
|
|
|
while (--i > 0)
|
|
sfc_mae_action_set_del(sa, mae->bounce_aset_ptrs[i]);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_rule_parse_actions(struct sfc_adapter *sa,
|
|
const struct rte_flow_action actions[],
|
|
struct rte_flow *flow,
|
|
struct sfc_mae_action_rule_ctx *action_rule_ctx,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct sfc_flow_spec_mae *spec_mae = &flow->spec.mae;
|
|
struct sfc_mae_actions_bundle bundle = {0};
|
|
bool ct = (action_rule_ctx->ct_mark != 0);
|
|
const struct rte_flow_action *action;
|
|
struct sfc_mae_aset_ctx *last_ctx;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
struct sfc_mae_aset_ctx *ctx;
|
|
int rc;
|
|
|
|
rte_errno = 0;
|
|
|
|
if (actions == NULL) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_NUM, NULL,
|
|
"NULL actions");
|
|
}
|
|
|
|
/*
|
|
* Cleanup after action parsing of the previous flow.
|
|
*
|
|
* This particular variable always points at the
|
|
* 1st (base) action set context, which can hold
|
|
* both non-replayable and replayable actions.
|
|
*/
|
|
ctx = &mae->bounce_aset_ctxs[0];
|
|
memset(ctx, 0, sizeof(*ctx));
|
|
mae->nb_bounce_asets = 0;
|
|
|
|
rc = efx_mae_action_set_spec_init(sa->nic, &ctx->spec);
|
|
if (rc != 0)
|
|
goto fail_action_set_spec_init;
|
|
|
|
if (spec_mae->ft_rule_type == SFC_FT_RULE_SWITCH) {
|
|
bool have_user_action_count = false;
|
|
|
|
/* TUNNEL rules don't decapsulate packets. SWITCH rules do. */
|
|
rc = efx_mae_action_set_populate_decap(ctx->spec);
|
|
if (rc != 0)
|
|
goto fail_enforce_ft_decap;
|
|
|
|
for (action = actions;
|
|
action->type != RTE_FLOW_ACTION_TYPE_END; ++action) {
|
|
if (action->type == RTE_FLOW_ACTION_TYPE_COUNT) {
|
|
have_user_action_count = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!have_user_action_count &&
|
|
sfc_mae_counter_stream_enabled(sa)) {
|
|
/*
|
|
* The user opted not to use action COUNT in this rule,
|
|
* but the counter should be enabled implicitly because
|
|
* packets hitting this rule contribute to the tunnel's
|
|
* total number of hits. See sfc_mae_counter_get().
|
|
*/
|
|
rc = efx_mae_action_set_populate_count(ctx->spec);
|
|
if (rc != 0)
|
|
goto fail_enforce_ft_count;
|
|
|
|
rc = sfc_mae_counter_add(sa, NULL, &ctx->counter);
|
|
if (rc != 0)
|
|
goto fail_enforce_ft_count;
|
|
}
|
|
}
|
|
|
|
for (action = actions;
|
|
action->type != RTE_FLOW_ACTION_TYPE_END; ++action) {
|
|
if (mae->nb_bounce_asets == 0) {
|
|
rc = sfc_mae_actions_bundle_sync(action, &bundle,
|
|
spec_mae, ctx->spec,
|
|
ct, error);
|
|
if (rc != 0)
|
|
goto fail_rule_parse_action;
|
|
}
|
|
|
|
rc = sfc_mae_rule_parse_action(sa, action, flow, ct,
|
|
&bundle, error);
|
|
if (rc != 0)
|
|
goto fail_rule_parse_action;
|
|
}
|
|
|
|
if (mae->nb_bounce_asets == 0) {
|
|
rc = sfc_mae_actions_bundle_sync(action, &bundle, spec_mae,
|
|
ctx->spec, ct, error);
|
|
if (rc != 0)
|
|
goto fail_rule_parse_action;
|
|
}
|
|
|
|
switch (spec_mae->ft_rule_type) {
|
|
case SFC_FT_RULE_NONE:
|
|
break;
|
|
case SFC_FT_RULE_TUNNEL:
|
|
/* Workaround. See sfc_flow_parse_rte_to_mae() */
|
|
rc = sfc_mae_rule_parse_action_pf_vf(sa, NULL, ctx->spec);
|
|
if (rc != 0)
|
|
goto fail_workaround_tunnel_delivery;
|
|
|
|
if (ctx->counter != NULL)
|
|
(ctx->counter)->ft_ctx = spec_mae->ft_ctx;
|
|
|
|
ctx->fate_set = true;
|
|
break;
|
|
case SFC_FT_RULE_SWITCH:
|
|
/*
|
|
* Packets that go to the rule's AR have FT mark set (from
|
|
* the TUNNEL rule OR's RECIRC_ID). Reset the mark to zero.
|
|
*/
|
|
efx_mae_action_set_populate_mark_reset(ctx->spec);
|
|
|
|
if (ctx->counter != NULL) {
|
|
(ctx->counter)->ft_switch_hit_counter =
|
|
&spec_mae->ft_ctx->switch_hit_counter;
|
|
} else if (sfc_mae_counter_stream_enabled(sa)) {
|
|
SFC_ASSERT(ct);
|
|
|
|
spec_mae->ct_counter->ft_switch_hit_counter =
|
|
&spec_mae->ft_ctx->switch_hit_counter;
|
|
}
|
|
break;
|
|
default:
|
|
SFC_ASSERT(B_FALSE);
|
|
}
|
|
|
|
SFC_ASSERT(mae->nb_bounce_asets < EFX_MAE_ACTION_SET_LIST_MAX_NENTRIES);
|
|
last_ctx = &mae->bounce_aset_ctxs[mae->nb_bounce_asets];
|
|
++(mae->nb_bounce_asets);
|
|
|
|
if (!last_ctx->fate_set) {
|
|
rc = rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"no fate action found");
|
|
goto fail_check_fate_action;
|
|
}
|
|
|
|
action_rule_ctx->action_set = sfc_mae_action_set_attach(sa, ctx);
|
|
if (action_rule_ctx->action_set != NULL) {
|
|
sfc_mae_counter_del(sa, ctx->counter);
|
|
sfc_mae_mac_addr_del(sa, ctx->src_mac);
|
|
sfc_mae_mac_addr_del(sa, ctx->dst_mac);
|
|
sfc_mae_encap_header_del(sa, ctx->encap_header);
|
|
efx_mae_action_set_spec_fini(sa->nic, ctx->spec);
|
|
} else {
|
|
rc = sfc_mae_action_set_add(sa, ctx,
|
|
&action_rule_ctx->action_set);
|
|
if (rc != 0)
|
|
goto fail_action_set_add;
|
|
}
|
|
|
|
memset(ctx, 0, sizeof(*ctx));
|
|
|
|
rc = sfc_mae_rule_process_replay(sa, action_rule_ctx);
|
|
if (rc != 0)
|
|
goto fail_rule_parse_replay;
|
|
|
|
return 0;
|
|
|
|
fail_rule_parse_replay:
|
|
sfc_mae_action_set_del(sa, action_rule_ctx->action_set);
|
|
|
|
fail_action_set_add:
|
|
fail_check_fate_action:
|
|
fail_workaround_tunnel_delivery:
|
|
fail_rule_parse_action:
|
|
sfc_mae_encap_header_del(sa, ctx->encap_header);
|
|
sfc_mae_counter_del(sa, ctx->counter);
|
|
sfc_mae_mac_addr_del(sa, ctx->src_mac);
|
|
sfc_mae_mac_addr_del(sa, ctx->dst_mac);
|
|
|
|
if (ctx->spec != NULL)
|
|
efx_mae_action_set_spec_fini(sa->nic, ctx->spec);
|
|
|
|
fail_enforce_ft_count:
|
|
fail_enforce_ft_decap:
|
|
fail_action_set_spec_init:
|
|
if (rc > 0 && rte_errno == 0) {
|
|
rc = rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
|
|
NULL, "Failed to process the action");
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
int
|
|
sfc_mae_rule_parse(struct sfc_adapter *sa, const struct rte_flow_item pattern[],
|
|
const struct rte_flow_action actions[],
|
|
struct rte_flow *flow, struct rte_flow_error *error)
|
|
{
|
|
struct sfc_flow_spec *spec = &flow->spec;
|
|
struct sfc_flow_spec_mae *spec_mae = &spec->mae;
|
|
struct sfc_mae_action_rule_ctx ctx = {};
|
|
int rc;
|
|
|
|
/*
|
|
* If the flow is meant to be a TUNNEL rule in a FT context,
|
|
* preparse its actions and save its properties in spec_mae.
|
|
*/
|
|
rc = sfc_ft_tunnel_rule_detect(sa, actions, spec_mae, error);
|
|
if (rc != 0)
|
|
goto fail;
|
|
|
|
rc = sfc_mae_rule_parse_pattern(sa, pattern, flow, &ctx, error);
|
|
if (rc != 0)
|
|
goto fail;
|
|
|
|
if (spec_mae->ft_rule_type == SFC_FT_RULE_TUNNEL) {
|
|
/*
|
|
* By design, this flow should be represented solely by the
|
|
* outer rule. But the HW/FW hasn't got support for setting
|
|
* Rx mark from RECIRC_ID on outer rule lookup yet. Neither
|
|
* does it support outer rule counters. As a workaround, an
|
|
* action rule of lower priority is used to do the job.
|
|
*
|
|
* So don't skip sfc_mae_rule_parse_actions() below.
|
|
*/
|
|
}
|
|
|
|
spec_mae->outer_rule = ctx.outer_rule;
|
|
|
|
rc = sfc_mae_rule_parse_actions(sa, actions, flow, &ctx, error);
|
|
if (rc != 0)
|
|
goto fail;
|
|
|
|
rc = sfc_mae_action_rule_attach(sa, &ctx, &spec_mae->action_rule,
|
|
error);
|
|
if (rc == 0) {
|
|
efx_mae_match_spec_fini(sa->nic, ctx.match_spec);
|
|
sfc_mae_action_set_list_del(sa, ctx.action_set_list);
|
|
sfc_mae_action_set_del(sa, ctx.action_set);
|
|
sfc_mae_outer_rule_del(sa, ctx.outer_rule);
|
|
} else if (rc == -ENOENT) {
|
|
rc = sfc_mae_action_rule_add(sa, &ctx, &spec_mae->action_rule);
|
|
if (rc != 0) {
|
|
rc = rte_flow_error_set(error, rc,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
|
|
NULL, "AR: failed to add the entry");
|
|
goto fail;
|
|
}
|
|
} else {
|
|
goto fail;
|
|
}
|
|
|
|
if (spec_mae->ft_ctx != NULL) {
|
|
if (spec_mae->ft_rule_type == SFC_FT_RULE_TUNNEL)
|
|
spec_mae->ft_ctx->tunnel_rule_is_set = B_TRUE;
|
|
|
|
++(spec_mae->ft_ctx->refcnt);
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
if (ctx.match_spec != NULL)
|
|
efx_mae_match_spec_fini(sa->nic, ctx.match_spec);
|
|
|
|
sfc_mae_action_set_list_del(sa, ctx.action_set_list);
|
|
sfc_mae_action_set_del(sa, ctx.action_set);
|
|
sfc_mae_outer_rule_del(sa, ctx.outer_rule);
|
|
|
|
/* Reset these values to avoid confusing sfc_mae_flow_cleanup(). */
|
|
spec_mae->ft_rule_type = SFC_FT_RULE_NONE;
|
|
spec_mae->ft_ctx = NULL;
|
|
|
|
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_outer_rule_class_verify(struct sfc_adapter *sa,
|
|
struct sfc_mae_outer_rule *rule)
|
|
{
|
|
struct sfc_mae_outer_rule *entry;
|
|
struct sfc_mae_fw_rsrc *fw_rsrc;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
if (rule == NULL)
|
|
return 0;
|
|
|
|
fw_rsrc = &rule->fw_rsrc;
|
|
|
|
if (fw_rsrc->rule_id.id != EFX_MAE_RSRC_ID_INVALID) {
|
|
/* An active rule is reused. It's class is wittingly valid. */
|
|
return 0;
|
|
}
|
|
|
|
TAILQ_FOREACH_REVERSE(entry, &mae->outer_rules,
|
|
sfc_mae_outer_rules, entries) {
|
|
const efx_mae_match_spec_t *left = entry->match_spec;
|
|
const efx_mae_match_spec_t *right = rule->match_spec;
|
|
|
|
if (entry == rule)
|
|
continue;
|
|
|
|
if (sfc_mae_rules_class_cmp(sa, left, right))
|
|
return 0;
|
|
}
|
|
|
|
sfc_info(sa, "for now, the HW doesn't support rule validation, and HW "
|
|
"support for outer frame pattern items is not guaranteed; "
|
|
"other than that, the items are valid from SW standpoint");
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_action_rule_class_verify(struct sfc_adapter *sa,
|
|
struct sfc_mae_action_rule *rule)
|
|
{
|
|
struct sfc_mae_fw_rsrc *fw_rsrc = &rule->fw_rsrc;
|
|
const struct sfc_mae_action_rule *entry;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
if (fw_rsrc->rule_id.id != EFX_MAE_RSRC_ID_INVALID) {
|
|
/* An active rule is reused. Its class is known to be valid. */
|
|
return 0;
|
|
}
|
|
|
|
TAILQ_FOREACH_REVERSE(entry, &mae->action_rules,
|
|
sfc_mae_action_rules, entries) {
|
|
const efx_mae_match_spec_t *left = entry->match_spec;
|
|
const efx_mae_match_spec_t *right = rule->match_spec;
|
|
|
|
if (entry == rule)
|
|
continue;
|
|
|
|
if (sfc_mae_rules_class_cmp(sa, left, right))
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
struct sfc_mae_action_rule *action_rule = spec_mae->action_rule;
|
|
struct sfc_mae_outer_rule *outer_rule = spec_mae->outer_rule;
|
|
int rc;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
|
|
if (sa->state != SFC_ETHDEV_STARTED)
|
|
return EAGAIN;
|
|
|
|
rc = sfc_mae_outer_rule_class_verify(sa, outer_rule);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
return sfc_mae_action_rule_class_verify(sa, action_rule);
|
|
}
|
|
|
|
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_rule *action_rule = spec_mae->action_rule;
|
|
int rc;
|
|
|
|
if (spec_mae->ft_rule_type == SFC_FT_RULE_TUNNEL) {
|
|
spec_mae->ft_ctx->reset_tunnel_hit_counter =
|
|
spec_mae->ft_ctx->switch_hit_counter;
|
|
}
|
|
|
|
if (action_rule == NULL)
|
|
return 0;
|
|
|
|
rc = sfc_mae_action_rule_enable(sa, action_rule);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
if (spec_mae->action_rule->ct_mark != 0) {
|
|
struct sfc_mae_counter *counter = spec_mae->ct_counter;
|
|
|
|
rc = sfc_mae_counter_enable(sa, counter, NULL);
|
|
if (rc != 0) {
|
|
sfc_mae_action_rule_disable(sa, action_rule);
|
|
return rc;
|
|
}
|
|
|
|
if (counter != NULL) {
|
|
struct sfc_mae_fw_rsrc *fw_rsrc = &counter->fw_rsrc;
|
|
|
|
spec_mae->ct_resp.counter_id = fw_rsrc->counter_id.id;
|
|
|
|
rc = sfc_mae_counter_start(sa);
|
|
if (rc != 0) {
|
|
sfc_mae_action_rule_disable(sa, action_rule);
|
|
return rc;
|
|
}
|
|
} else {
|
|
spec_mae->ct_resp.counter_id = EFX_MAE_RSRC_ID_INVALID;
|
|
}
|
|
|
|
spec_mae->ct_resp.ct_mark = spec_mae->action_rule->ct_mark;
|
|
|
|
rc = sfc_mae_conntrack_insert(sa, &spec_mae->ct_key,
|
|
&spec_mae->ct_resp);
|
|
if (rc != 0) {
|
|
sfc_mae_counter_disable(sa, counter);
|
|
sfc_mae_action_rule_disable(sa, action_rule);
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
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_rule *action_rule = spec_mae->action_rule;
|
|
|
|
if (action_rule == NULL)
|
|
return 0;
|
|
|
|
if (action_rule->ct_mark != 0)
|
|
(void)sfc_mae_conntrack_delete(sa, &spec_mae->ct_key);
|
|
|
|
sfc_mae_counter_disable(sa, spec_mae->ct_counter);
|
|
|
|
sfc_mae_action_rule_disable(sa, action_rule);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfc_mae_query_counter(struct sfc_adapter *sa,
|
|
struct sfc_flow_spec_mae *spec,
|
|
const struct rte_flow_action *action,
|
|
struct rte_flow_query_count *data,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct sfc_mae_action_rule *action_rule = spec->action_rule;
|
|
const struct rte_flow_action_count *conf = action->conf;
|
|
struct sfc_mae_counter *counters[1 /* action rule counter */ +
|
|
1 /* conntrack counter */];
|
|
struct sfc_mae_counter *counter;
|
|
unsigned int i;
|
|
int rc;
|
|
|
|
/*
|
|
* The check for counter unavailability is done based
|
|
* on counter traversal results. See error set below.
|
|
*/
|
|
if (action_rule != NULL && action_rule->action_set != NULL &&
|
|
action_rule->action_set->counter != NULL &&
|
|
!action_rule->action_set->counter->indirect)
|
|
counters[0] = action_rule->action_set->counter;
|
|
else
|
|
counters[0] = NULL;
|
|
|
|
counters[1] = spec->ct_counter;
|
|
|
|
for (i = 0; i < RTE_DIM(counters); ++i) {
|
|
counter = counters[i];
|
|
|
|
if (counter == NULL)
|
|
continue;
|
|
|
|
if (conf == NULL ||
|
|
(counter->rte_id_valid && conf->id == counter->rte_id)) {
|
|
rc = sfc_mae_counter_get(sa, counter, data);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, action,
|
|
"Queried flow rule counter action is invalid");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (action_rule == NULL || action_rule->action_set_list == NULL)
|
|
goto exit;
|
|
|
|
for (i = 0; i < action_rule->action_set_list->nb_action_sets; ++i) {
|
|
counter = action_rule->action_set_list->action_sets[i]->counter;
|
|
|
|
if (counter == NULL || counter->indirect)
|
|
continue;
|
|
|
|
if (conf == NULL ||
|
|
(counter->rte_id_valid && conf->id == counter->rte_id)) {
|
|
rc = sfc_mae_counter_get(sa, counter, data);
|
|
if (rc != 0) {
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, action,
|
|
"Queried flow rule counter action is invalid");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
exit:
|
|
return rte_flow_error_set(error, ENOENT,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, action,
|
|
"no such flow rule action or such count ID");
|
|
}
|
|
|
|
int
|
|
sfc_mae_flow_query(struct rte_eth_dev *dev,
|
|
struct rte_flow *flow,
|
|
const struct rte_flow_action *action,
|
|
void *data,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
|
|
struct sfc_flow_spec *spec = &flow->spec;
|
|
struct sfc_flow_spec_mae *spec_mae = &spec->mae;
|
|
|
|
switch (action->type) {
|
|
case RTE_FLOW_ACTION_TYPE_COUNT:
|
|
return sfc_mae_query_counter(sa, spec_mae, action,
|
|
data, error);
|
|
default:
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"Query for action of this type is not supported");
|
|
}
|
|
}
|
|
|
|
int
|
|
sfc_mae_switchdev_init(struct sfc_adapter *sa)
|
|
{
|
|
struct sfc_adapter_shared *sas = sfc_sa2shared(sa);
|
|
struct sfc_mae *mae = &sa->mae;
|
|
int rc = EINVAL;
|
|
|
|
sfc_log_init(sa, "entry");
|
|
|
|
if (!sa->switchdev) {
|
|
sfc_log_init(sa, "switchdev is not enabled - skip");
|
|
return 0;
|
|
}
|
|
|
|
if (mae->status != SFC_MAE_STATUS_ADMIN) {
|
|
rc = ENOTSUP;
|
|
sfc_err(sa, "failed to init switchdev - no admin MAE privilege");
|
|
goto fail_no_mae;
|
|
}
|
|
|
|
mae->switchdev_rule_pf_to_ext = sfc_mae_repr_flow_create(sa,
|
|
SFC_MAE_RULE_PRIO_LOWEST, sas->port_id,
|
|
RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT,
|
|
RTE_FLOW_ITEM_TYPE_PORT_REPRESENTOR);
|
|
if (mae->switchdev_rule_pf_to_ext == NULL) {
|
|
sfc_err(sa, "failed add MAE rule to forward from PF to PHY");
|
|
goto fail_pf_add;
|
|
}
|
|
|
|
mae->switchdev_rule_ext_to_pf = sfc_mae_repr_flow_create(sa,
|
|
SFC_MAE_RULE_PRIO_LOWEST, sas->port_id,
|
|
RTE_FLOW_ACTION_TYPE_PORT_REPRESENTOR,
|
|
RTE_FLOW_ITEM_TYPE_REPRESENTED_PORT);
|
|
if (mae->switchdev_rule_ext_to_pf == NULL) {
|
|
sfc_err(sa, "failed add MAE rule to forward from PHY to PF");
|
|
goto fail_phy_add;
|
|
}
|
|
|
|
sfc_log_init(sa, "done");
|
|
|
|
return 0;
|
|
|
|
fail_phy_add:
|
|
sfc_mae_repr_flow_destroy(sa, mae->switchdev_rule_pf_to_ext);
|
|
|
|
fail_pf_add:
|
|
fail_no_mae:
|
|
sfc_log_init(sa, "failed: %s", rte_strerror(rc));
|
|
return rc;
|
|
}
|
|
|
|
void
|
|
sfc_mae_switchdev_fini(struct sfc_adapter *sa)
|
|
{
|
|
struct sfc_mae *mae = &sa->mae;
|
|
|
|
if (!sa->switchdev)
|
|
return;
|
|
|
|
sfc_mae_repr_flow_destroy(sa, mae->switchdev_rule_pf_to_ext);
|
|
sfc_mae_repr_flow_destroy(sa, mae->switchdev_rule_ext_to_pf);
|
|
}
|
|
|
|
int
|
|
sfc_mae_indir_action_create(struct sfc_adapter *sa,
|
|
const struct rte_flow_action *action,
|
|
struct rte_flow_action_handle *handle,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct sfc_mae *mae = &sa->mae;
|
|
bool custom_error = false;
|
|
int ret;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
SFC_ASSERT(handle != NULL);
|
|
|
|
switch (action->type) {
|
|
case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
|
|
/* Cleanup after previous encap. header bounce buffer usage. */
|
|
sfc_mae_bounce_eh_invalidate(&mae->bounce_eh);
|
|
|
|
ret = sfc_mae_rule_parse_action_vxlan_encap(mae, action->conf,
|
|
NULL, error);
|
|
if (ret != 0) {
|
|
custom_error = true;
|
|
break;
|
|
}
|
|
|
|
ret = sfc_mae_encap_header_add(sa, &mae->bounce_eh,
|
|
&handle->encap_header);
|
|
if (ret == 0)
|
|
handle->encap_header->indirect = true;
|
|
break;
|
|
|
|
case RTE_FLOW_ACTION_TYPE_COUNT:
|
|
ret = sfc_mae_rule_parse_action_count(sa, action->conf,
|
|
EFX_COUNTER_TYPE_ACTION,
|
|
&handle->counter, NULL);
|
|
if (ret == 0)
|
|
handle->counter->indirect = true;
|
|
break;
|
|
default:
|
|
ret = ENOTSUP;
|
|
}
|
|
|
|
if (custom_error)
|
|
return ret;
|
|
|
|
if (ret != 0) {
|
|
return rte_flow_error_set(error, ret,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"failed to parse indirect action to mae object");
|
|
}
|
|
|
|
handle->type = action->type;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
sfc_mae_indir_action_destroy(struct sfc_adapter *sa,
|
|
const struct rte_flow_action_handle *handle,
|
|
struct rte_flow_error *error)
|
|
{
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
SFC_ASSERT(handle != NULL);
|
|
|
|
switch (handle->type) {
|
|
case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
|
|
if (handle->encap_header->refcnt != 1)
|
|
goto fail;
|
|
|
|
sfc_mae_encap_header_del(sa, handle->encap_header);
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_COUNT:
|
|
if (handle->counter->refcnt != 1)
|
|
goto fail;
|
|
|
|
sfc_mae_counter_del(sa, handle->counter);
|
|
break;
|
|
default:
|
|
SFC_ASSERT(B_FALSE);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
return rte_flow_error_set(error, EIO, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
|
|
NULL, "indirect action is still in use");
|
|
}
|
|
|
|
int
|
|
sfc_mae_indir_action_update(struct sfc_adapter *sa,
|
|
struct rte_flow_action_handle *handle,
|
|
const void *update, struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_action *action = update;
|
|
struct sfc_mae *mae = &sa->mae;
|
|
bool custom_error = false;
|
|
int ret;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
SFC_ASSERT(action != NULL);
|
|
SFC_ASSERT(handle != NULL);
|
|
|
|
switch (handle->type) {
|
|
case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
|
|
/* Cleanup after previous encap. header bounce buffer usage. */
|
|
sfc_mae_bounce_eh_invalidate(&mae->bounce_eh);
|
|
|
|
ret = sfc_mae_rule_parse_action_vxlan_encap(mae, action->conf,
|
|
NULL, error);
|
|
if (ret != 0) {
|
|
custom_error = true;
|
|
break;
|
|
}
|
|
|
|
ret = sfc_mae_encap_header_update(sa, handle->encap_header);
|
|
break;
|
|
default:
|
|
ret = ENOTSUP;
|
|
}
|
|
|
|
if (custom_error)
|
|
return ret;
|
|
|
|
if (ret != 0) {
|
|
return rte_flow_error_set(error, ret,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
|
|
"failed to parse indirect action to mae object");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
sfc_mae_indir_action_query(struct sfc_adapter *sa,
|
|
const struct rte_flow_action_handle *handle,
|
|
void *data, struct rte_flow_error *error)
|
|
{
|
|
int ret;
|
|
|
|
SFC_ASSERT(sfc_adapter_is_locked(sa));
|
|
SFC_ASSERT(handle != NULL);
|
|
|
|
switch (handle->type) {
|
|
case RTE_FLOW_ACTION_TYPE_COUNT:
|
|
SFC_ASSERT(handle->counter != NULL);
|
|
|
|
if (handle->counter->fw_rsrc.refcnt == 0)
|
|
goto fail_not_in_use;
|
|
|
|
ret = sfc_mae_counter_get(sa, handle->counter, data);
|
|
if (ret != 0)
|
|
goto fail_counter_get;
|
|
|
|
break;
|
|
default:
|
|
goto fail_unsup;
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail_not_in_use:
|
|
return rte_flow_error_set(error, EIO, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
|
|
NULL, "indirect action is not in use");
|
|
|
|
fail_counter_get:
|
|
return rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
|
|
NULL, "failed to collect indirect action COUNT data");
|
|
|
|
fail_unsup:
|
|
return rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
|
|
NULL, "indirect action of this type cannot be queried");
|
|
}
|