+flow_create:
+ sa->flow = rte_flow_create(sa->portid,
+ &sa->attr, sa->pattern, sa->action, &err);
+ if (sa->flow == NULL) {
+flow_create_failure:
+ RTE_LOG(ERR, IPSEC,
+ "Failed to create ipsec flow msg: %s\n",
+ err.message);
+ return -1;
+ }
+ } else if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) {
+ const struct rte_security_capability *sec_cap;
+
+ sec_ctx = (struct rte_security_ctx *)
+ rte_eth_dev_get_sec_ctx(sa->portid);
+
+ if (sec_ctx == NULL) {
+ RTE_LOG(ERR, IPSEC,
+ "Ethernet device doesn't have security features registered\n");
+ return -1;
+ }
+
+ /* Set IPsec parameters in conf */
+ set_ipsec_conf(sa, &(sess_conf.ipsec));
+
+ /* Save SA as userdata for the security session. When
+ * the packet is received, this userdata will be
+ * retrieved using the metadata from the packet.
+ *
+ * The PMD is expected to set similar metadata for other
+ * operations, like rte_eth_event, which are tied to
+ * security session. In such cases, the userdata could
+ * be obtained to uniquely identify the security
+ * parameters denoted.
+ */
+
+ sess_conf.userdata = (void *) sa;
+
+ ips->security.ses = rte_security_session_create(sec_ctx,
+ &sess_conf, skt_ctx->session_pool,
+ skt_ctx->session_priv_pool);
+ if (ips->security.ses == NULL) {
+ RTE_LOG(ERR, IPSEC,
+ "SEC Session init failed: err: %d\n", ret);
+ return -1;
+ }
+
+ sec_cap = rte_security_capabilities_get(sec_ctx);
+ if (sec_cap == NULL) {
+ RTE_LOG(ERR, IPSEC,
+ "No capabilities registered\n");
+ return -1;
+ }
+
+ /* iterate until ESP tunnel*/
+ while (sec_cap->action !=
+ RTE_SECURITY_ACTION_TYPE_NONE) {
+ if (sec_cap->action == ips->type &&
+ sec_cap->protocol ==
+ RTE_SECURITY_PROTOCOL_IPSEC &&
+ sec_cap->ipsec.mode ==
+ sess_conf.ipsec.mode &&
+ sec_cap->ipsec.direction == sa->direction)
+ break;
+ sec_cap++;
+ }
+
+ if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) {
+ RTE_LOG(ERR, IPSEC,
+ "No suitable security capability found\n");
+ return -1;
+ }
+
+ ips->security.ol_flags = sec_cap->ol_flags;
+ ips->security.ctx = sec_ctx;
+ }
+
+ return 0;
+}
+
+int
+create_ipsec_esp_flow(struct ipsec_sa *sa)
+{
+ int ret = 0;
+ struct rte_flow_error err;
+ if (sa->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
+ RTE_LOG(ERR, IPSEC,
+ "No Flow director rule for Egress traffic\n");
+ return -1;
+ }
+ if (sa->flags == TRANSPORT) {
+ RTE_LOG(ERR, IPSEC,
+ "No Flow director rule for transport mode\n");
+ return -1;
+ }
+ sa->action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE;
+ sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
+ sa->action[0].conf = &(struct rte_flow_action_queue) {
+ .index = sa->fdir_qid,
+ };
+ sa->attr.egress = 0;
+ sa->attr.ingress = 1;
+ if (IS_IP6(sa->flags)) {
+ sa->pattern[1].mask = &rte_flow_item_ipv6_mask;
+ sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6;
+ sa->pattern[1].spec = &sa->ipv6_spec;
+ memcpy(sa->ipv6_spec.hdr.dst_addr,
+ sa->dst.ip.ip6.ip6_b, sizeof(sa->dst.ip.ip6.ip6_b));
+ memcpy(sa->ipv6_spec.hdr.src_addr,
+ sa->src.ip.ip6.ip6_b, sizeof(sa->src.ip.ip6.ip6_b));
+ sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP;
+ sa->pattern[2].spec = &sa->esp_spec;
+ sa->pattern[2].mask = &rte_flow_item_esp_mask;
+ sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi);
+ sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
+ } else if (IS_IP4(sa->flags)) {
+ sa->pattern[1].mask = &rte_flow_item_ipv4_mask;
+ sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4;
+ sa->pattern[1].spec = &sa->ipv4_spec;
+ sa->ipv4_spec.hdr.dst_addr = sa->dst.ip.ip4;
+ sa->ipv4_spec.hdr.src_addr = sa->src.ip.ip4;
+ sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP;
+ sa->pattern[2].spec = &sa->esp_spec;
+ sa->pattern[2].mask = &rte_flow_item_esp_mask;
+ sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi);
+ sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
+ }
+ sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
+
+ ret = rte_flow_validate(sa->portid, &sa->attr, sa->pattern, sa->action,
+ &err);
+ if (ret < 0) {
+ RTE_LOG(ERR, IPSEC, "Flow validation failed %s\n", err.message);
+ return ret;
+ }
+
+ sa->flow = rte_flow_create(sa->portid, &sa->attr, sa->pattern,
+ sa->action, &err);
+ if (!sa->flow) {
+ RTE_LOG(ERR, IPSEC, "Flow creation failed %s\n", err.message);
+ return -1;