X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fipsec-secgw%2Fipsec.c;h=d40657102b7d6131aaddd3f798b8c2515ce1e8f4;hb=e0b0e55c8f1515c2be6d932be977d926ab7ffa28;hp=4337e66013b6afa6849f93eeda4dac702fdfeb5f;hpb=a4677f78368b3fcd7009ab36c0423c5580d50528;p=dpdk.git

diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c
index 4337e66013..d40657102b 100644
--- a/examples/ipsec-secgw/ipsec.c
+++ b/examples/ipsec-secgw/ipsec.c
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2016-2017 Intel Corporation
+ * Copyright(c) 2016-2020 Intel Corporation
  */
 #include <sys/types.h>
 #include <netinet/in.h>
@@ -10,6 +10,7 @@
 #include <rte_crypto.h>
 #include <rte_security.h>
 #include <rte_cryptodev.h>
+#include <rte_ipsec.h>
 #include <rte_ethdev.h>
 #include <rte_mbuf.h>
 #include <rte_hash.h>
@@ -23,7 +24,7 @@ set_ipsec_conf(struct ipsec_sa *sa, struct rte_security_ipsec_xform *ipsec)
 	if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
 		struct rte_security_ipsec_tunnel_param *tunnel =
 				&ipsec->tunnel;
-		if (sa->flags == IP4_TUNNEL) {
+		if (IS_IP4_TUNNEL(sa->flags)) {
 			tunnel->type =
 				RTE_SECURITY_IPSEC_TUNNEL_IPV4;
 			tunnel->ipv4.ttl = IPDEFTTL;
@@ -33,13 +34,29 @@ set_ipsec_conf(struct ipsec_sa *sa, struct rte_security_ipsec_xform *ipsec)
 
 			memcpy((uint8_t *)&tunnel->ipv4.dst_ip,
 				(uint8_t *)&sa->dst.ip.ip4, 4);
+		} else if (IS_IP6_TUNNEL(sa->flags)) {
+			tunnel->type =
+				RTE_SECURITY_IPSEC_TUNNEL_IPV6;
+			tunnel->ipv6.hlimit = IPDEFTTL;
+			tunnel->ipv6.dscp = 0;
+			tunnel->ipv6.flabel = 0;
+
+			memcpy((uint8_t *)&tunnel->ipv6.src_addr,
+				(uint8_t *)&sa->src.ip.ip6.ip6_b, 16);
+
+			memcpy((uint8_t *)&tunnel->ipv6.dst_addr,
+				(uint8_t *)&sa->dst.ip.ip6.ip6_b, 16);
 		}
-		/* TODO support for Transport and IPV6 tunnel */
+		/* TODO support for Transport */
 	}
+	ipsec->esn_soft_limit = IPSEC_OFFLOAD_ESN_SOFTLIMIT;
+	ipsec->replay_win_sz = app_sa_prm.window_size;
+	ipsec->options.esn = app_sa_prm.enable_esn;
 }
 
-static inline int
-create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
+int
+create_lookaside_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa,
+		struct rte_ipsec_session *ips)
 {
 	struct rte_cryptodev_info cdev_info;
 	unsigned long cdev_id_qp = 0;
@@ -52,19 +69,17 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
 	key.auth_algo = (uint8_t)sa->auth_algo;
 	key.aead_algo = (uint8_t)sa->aead_algo;
 
-	if (sa->type == RTE_SECURITY_ACTION_TYPE_NONE) {
-		ret = rte_hash_lookup_data(ipsec_ctx->cdev_map, &key,
-				(void **)&cdev_id_qp);
-		if (ret < 0) {
-			RTE_LOG(ERR, IPSEC,
+	ret = rte_hash_lookup_data(ipsec_ctx->cdev_map, &key,
+			(void **)&cdev_id_qp);
+	if (ret < 0) {
+		RTE_LOG(ERR, IPSEC,
 				"No cryptodev: core %u, cipher_algo %u, "
 				"auth_algo %u, aead_algo %u\n",
 				key.lcore_id,
 				key.cipher_algo,
 				key.auth_algo,
 				key.aead_algo);
-			return -1;
-		}
+		return -1;
 	}
 
 	RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev "
@@ -72,18 +87,19 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
 			ipsec_ctx->tbl[cdev_id_qp].id,
 			ipsec_ctx->tbl[cdev_id_qp].qp);
 
-	if (sa->type != RTE_SECURITY_ACTION_TYPE_NONE) {
+	if (ips->type != RTE_SECURITY_ACTION_TYPE_NONE &&
+		ips->type != RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) {
 		struct rte_security_session_conf sess_conf = {
-			.action_type = sa->type,
+			.action_type = ips->type,
 			.protocol = RTE_SECURITY_PROTOCOL_IPSEC,
 			{.ipsec = {
 				.spi = sa->spi,
 				.salt = sa->salt,
 				.options = { 0 },
+				.replay_win_sz = 0,
 				.direction = sa->direction,
 				.proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
-				.mode = (sa->flags == IP4_TUNNEL ||
-						sa->flags == IP6_TUNNEL) ?
+				.mode = (IS_TUNNEL(sa->flags)) ?
 					RTE_SECURITY_IPSEC_SA_MODE_TUNNEL :
 					RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
 			} },
@@ -92,7 +108,7 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
 
 		};
 
-		if (sa->type == RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) {
+		if (ips->type == RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) {
 			struct rte_security_ctx *ctx = (struct rte_security_ctx *)
 							rte_cryptodev_get_sec_ctx(
 							ipsec_ctx->tbl[cdev_id_qp].id);
@@ -100,268 +116,349 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
 			/* Set IPsec parameters in conf */
 			set_ipsec_conf(sa, &(sess_conf.ipsec));
 
-			sa->sec_session = rte_security_session_create(ctx,
-					&sess_conf, ipsec_ctx->session_pool);
-			if (sa->sec_session == NULL) {
-				RTE_LOG(ERR, IPSEC,
-				"SEC Session init failed: err: %d\n", ret);
-				return -1;
-			}
-		} else if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
-			struct rte_flow_error err;
-			struct rte_security_ctx *ctx = (struct rte_security_ctx *)
-							rte_eth_dev_get_sec_ctx(
-							sa->portid);
-			const struct rte_security_capability *sec_cap;
-			int ret = 0;
-
-			sa->sec_session = rte_security_session_create(ctx,
-					&sess_conf, ipsec_ctx->session_pool);
-			if (sa->sec_session == NULL) {
+			ips->security.ses = rte_security_session_create(ctx,
+					&sess_conf, ipsec_ctx->session_priv_pool);
+			if (ips->security.ses == NULL) {
 				RTE_LOG(ERR, IPSEC,
 				"SEC Session init failed: err: %d\n", ret);
 				return -1;
 			}
+		} else {
+			RTE_LOG(ERR, IPSEC, "Inline not supported\n");
+			return -1;
+		}
+	} else {
+		if (ips->type == RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) {
+			struct rte_cryptodev_info info;
+			uint16_t cdev_id;
 
-			sec_cap = rte_security_capabilities_get(ctx);
+			cdev_id = ipsec_ctx->tbl[cdev_id_qp].id;
+			rte_cryptodev_info_get(cdev_id, &info);
+			if (!(info.feature_flags &
+				RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO))
+				return -ENOTSUP;
 
-			/* iterate until ESP tunnel*/
-			while (sec_cap->action !=
-					RTE_SECURITY_ACTION_TYPE_NONE) {
+			ips->crypto.dev_id = cdev_id;
+		}
+		ips->crypto.ses = rte_cryptodev_sym_session_create(
+				ipsec_ctx->session_pool);
+		rte_cryptodev_sym_session_init(ipsec_ctx->tbl[cdev_id_qp].id,
+				ips->crypto.ses, sa->xforms,
+				ipsec_ctx->session_priv_pool);
 
-				if (sec_cap->action == sa->type &&
-				    sec_cap->protocol ==
-					RTE_SECURITY_PROTOCOL_IPSEC &&
-				    sec_cap->ipsec.mode ==
-					RTE_SECURITY_IPSEC_SA_MODE_TUNNEL &&
-				    sec_cap->ipsec.direction == sa->direction)
-					break;
-				sec_cap++;
-			}
+		rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id,
+				&cdev_info);
+	}
 
-			if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) {
-				RTE_LOG(ERR, IPSEC,
-				"No suitable security capability found\n");
-				return -1;
-			}
+	sa->cdev_id_qp = cdev_id_qp;
 
-			sa->ol_flags = sec_cap->ol_flags;
-			sa->security_ctx = ctx;
-			sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
+	return 0;
+}
 
-			sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4;
-			sa->pattern[1].mask = &rte_flow_item_ipv4_mask;
-			if (sa->flags & IP6_TUNNEL) {
-				sa->pattern[1].spec = &sa->ipv6_spec;
-				memcpy(sa->ipv6_spec.hdr.dst_addr,
-					sa->dst.ip.ip6.ip6_b, 16);
-				memcpy(sa->ipv6_spec.hdr.src_addr,
-				       sa->src.ip.ip6.ip6_b, 16);
-			} else {
-				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;
-			}
+int
+create_inline_session(struct socket_ctx *skt_ctx, struct ipsec_sa *sa,
+		struct rte_ipsec_session *ips)
+{
+	int32_t ret = 0;
+	struct rte_security_ctx *sec_ctx;
+	struct rte_security_session_conf sess_conf = {
+		.action_type = ips->type,
+		.protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+		{.ipsec = {
+			.spi = sa->spi,
+			.salt = sa->salt,
+			.options = { 0 },
+			.replay_win_sz = 0,
+			.direction = sa->direction,
+			.proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+			.mode = (sa->flags == IP4_TUNNEL ||
+					sa->flags == IP6_TUNNEL) ?
+					RTE_SECURITY_IPSEC_SA_MODE_TUNNEL :
+					RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
+		} },
+		.crypto_xform = sa->xforms,
+		.userdata = NULL,
+	};
+
+	RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on port %u\n",
+		sa->spi, sa->portid);
+
+	if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
+		struct rte_flow_error err;
+		const struct rte_security_capability *sec_cap;
+		int ret = 0;
+
+		sec_ctx = (struct rte_security_ctx *)
+					rte_eth_dev_get_sec_ctx(
+					sa->portid);
+		if (sec_ctx == NULL) {
+			RTE_LOG(ERR, IPSEC,
+				" rte_eth_dev_get_sec_ctx failed\n");
+			return -1;
+		}
+
+		ips->security.ses = rte_security_session_create(sec_ctx,
+				&sess_conf, skt_ctx->session_pool);
+		if (ips->security.ses == NULL) {
+			RTE_LOG(ERR, IPSEC,
+				"SEC Session init failed: err: %d\n", ret);
+			return -1;
+		}
 
-			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 = sa->spi;
+		sec_cap = rte_security_capabilities_get(sec_ctx);
+
+		/* 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 ==
+				RTE_SECURITY_IPSEC_SA_MODE_TUNNEL &&
+			    sec_cap->ipsec.direction == sa->direction)
+				break;
+			sec_cap++;
+		}
 
-			sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
+		if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) {
+			RTE_LOG(ERR, IPSEC,
+				"No suitable security capability found\n");
+			return -1;
+		}
 
-			sa->action[0].type = RTE_FLOW_ACTION_TYPE_SECURITY;
-			sa->action[0].conf = sa->sec_session;
+		ips->security.ol_flags = sec_cap->ol_flags;
+		ips->security.ctx = sec_ctx;
+		sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
 
-			sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
+		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;
 
-			sa->attr.egress = (sa->direction ==
-					RTE_SECURITY_IPSEC_SA_DIR_EGRESS);
-			sa->attr.ingress = (sa->direction ==
-					RTE_SECURITY_IPSEC_SA_DIR_INGRESS);
-			if (sa->attr.ingress) {
-				uint8_t rss_key[40];
-				struct rte_eth_rss_conf rss_conf = {
-					.rss_key = rss_key,
-					.rss_key_len = 40,
-				};
-				struct rte_eth_dev *eth_dev;
-				union {
-					struct rte_flow_action_rss rss;
-					struct {
-					const struct rte_eth_rss_conf *rss_conf;
-					uint16_t num;
-					uint16_t queue[RTE_MAX_QUEUES_PER_PORT];
-					} local;
-				} action_rss;
-				unsigned int i;
-				unsigned int j;
-
-				sa->action[2].type = RTE_FLOW_ACTION_TYPE_END;
-				/* Try RSS. */
-				sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS;
-				sa->action[1].conf = &action_rss;
-				eth_dev = ctx->device;
-				rte_eth_dev_rss_hash_conf_get(sa->portid,
-							      &rss_conf);
-				for (i = 0, j = 0;
-				     i < eth_dev->data->nb_rx_queues; ++i)
-					if (eth_dev->data->rx_queues[i])
-						action_rss.local.queue[j++] = i;
-				action_rss.local.num = j;
-				action_rss.local.rss_conf = &rss_conf;
-				ret = rte_flow_validate(sa->portid, &sa->attr,
-							sa->pattern, sa->action,
-							&err);
-				if (!ret)
-					goto flow_create;
-				/* Try Queue. */
-				sa->action[1].type = RTE_FLOW_ACTION_TYPE_QUEUE;
-				sa->action[1].conf =
-					&(struct rte_flow_action_queue){
-					.index = 0,
-				};
-				ret = rte_flow_validate(sa->portid, &sa->attr,
-							sa->pattern, sa->action,
-							&err);
-				if (ret)
-					goto flow_create_failure;
-			}
-flow_create:
-			sa->flow = rte_flow_create(sa->portid,
-				&sa->attr, sa->pattern, sa->action, &err);
-			if (sa->flow == NULL) {
-flow_create_failure:
+			memcpy(sa->ipv6_spec.hdr.dst_addr,
+				sa->dst.ip.ip6.ip6_b, 16);
+			memcpy(sa->ipv6_spec.hdr.src_addr,
+			       sa->src.ip.ip6.ip6_b, 16);
+		} 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[0].type = RTE_FLOW_ACTION_TYPE_SECURITY;
+		sa->action[0].conf = ips->security.ses;
+
+		sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
+
+		sa->attr.egress = (sa->direction ==
+				RTE_SECURITY_IPSEC_SA_DIR_EGRESS);
+		sa->attr.ingress = (sa->direction ==
+				RTE_SECURITY_IPSEC_SA_DIR_INGRESS);
+		if (sa->attr.ingress) {
+			uint8_t rss_key[40];
+			struct rte_eth_rss_conf rss_conf = {
+				.rss_key = rss_key,
+				.rss_key_len = 40,
+			};
+			struct rte_eth_dev_info dev_info;
+			uint16_t queue[RTE_MAX_QUEUES_PER_PORT];
+			struct rte_flow_action_rss action_rss;
+			unsigned int i;
+			unsigned int j;
+
+			/* Don't create flow if default flow is created */
+			if (flow_info_tbl[sa->portid].rx_def_flow)
+				return 0;
+
+			ret = rte_eth_dev_info_get(sa->portid, &dev_info);
+			if (ret != 0) {
 				RTE_LOG(ERR, IPSEC,
-					"Failed to create ipsec flow msg: %s\n",
-					err.message);
-				return -1;
+					"Error during getting device (port %u) info: %s\n",
+					sa->portid, strerror(-ret));
+				return ret;
 			}
-		} else if (sa->type ==
-				RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) {
-			struct rte_security_ctx *ctx =
-					(struct rte_security_ctx *)
-					rte_eth_dev_get_sec_ctx(sa->portid);
-			const struct rte_security_capability *sec_cap;
-
-			if (ctx == NULL) {
+
+			sa->action[2].type = RTE_FLOW_ACTION_TYPE_END;
+			/* Try RSS. */
+			sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS;
+			sa->action[1].conf = &action_rss;
+			ret = rte_eth_dev_rss_hash_conf_get(sa->portid,
+					&rss_conf);
+			if (ret != 0) {
 				RTE_LOG(ERR, IPSEC,
-				"Ethernet device doesn't have security features registered\n");
+					"rte_eth_dev_rss_hash_conf_get:ret=%d\n",
+					ret);
 				return -1;
 			}
+			for (i = 0, j = 0; i < dev_info.nb_rx_queues; ++i)
+				queue[j++] = i;
+
+			action_rss = (struct rte_flow_action_rss){
+					.types = rss_conf.rss_hf,
+					.key_len = rss_conf.rss_key_len,
+					.queue_num = j,
+					.key = rss_key,
+					.queue = queue,
+			};
+			ret = rte_flow_validate(sa->portid, &sa->attr,
+						sa->pattern, sa->action,
+						&err);
+			if (!ret)
+				goto flow_create;
+			/* Try Queue. */
+			sa->action[1].type = RTE_FLOW_ACTION_TYPE_QUEUE;
+			sa->action[1].conf =
+				&(struct rte_flow_action_queue){
+				.index = 0,
+			};
+			ret = rte_flow_validate(sa->portid, &sa->attr,
+						sa->pattern, sa->action,
+						&err);
+			/* Try End. */
+			sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
+			sa->action[1].conf = NULL;
+			ret = rte_flow_validate(sa->portid, &sa->attr,
+						sa->pattern, sa->action,
+						&err);
+			if (ret)
+				goto flow_create_failure;
+		} else if (sa->attr.egress &&
+				(ips->security.ol_flags &
+					RTE_SECURITY_TX_HW_TRAILER_OFFLOAD)) {
+			sa->action[1].type =
+					RTE_FLOW_ACTION_TYPE_PASSTHRU;
+			sa->action[2].type =
+					RTE_FLOW_ACTION_TYPE_END;
+		}
+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;
 
-			/* 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.
-			 *
-			 * This is required only for inbound SAs.
-			 */
+		sec_ctx = (struct rte_security_ctx *)
+				rte_eth_dev_get_sec_ctx(sa->portid);
 
-			if (sa->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
-				sess_conf.userdata = (void *) sa;
+		if (sec_ctx == NULL) {
+			RTE_LOG(ERR, IPSEC,
+				"Ethernet device doesn't have security features registered\n");
+			return -1;
+		}
 
-			sa->sec_session = rte_security_session_create(ctx,
-					&sess_conf, ipsec_ctx->session_pool);
-			if (sa->sec_session == NULL) {
-				RTE_LOG(ERR, IPSEC,
+		/* 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);
+		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(ctx);
+			return -1;
+		}
 
-			if (sec_cap == NULL) {
-				RTE_LOG(ERR, IPSEC,
+		sec_cap = rte_security_capabilities_get(sec_ctx);
+		if (sec_cap == NULL) {
+			RTE_LOG(ERR, IPSEC,
 				"No capabilities registered\n");
-				return -1;
-			}
+			return -1;
+		}
 
-			/* iterate until ESP tunnel*/
-			while (sec_cap->action !=
-					RTE_SECURITY_ACTION_TYPE_NONE) {
-
-				if (sec_cap->action == sa->type &&
-				    sec_cap->protocol ==
-					RTE_SECURITY_PROTOCOL_IPSEC &&
-				    sec_cap->ipsec.mode ==
-					RTE_SECURITY_IPSEC_SA_MODE_TUNNEL &&
-				    sec_cap->ipsec.direction == sa->direction)
-					break;
-				sec_cap++;
-			}
+		/* 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,
+		if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) {
+			RTE_LOG(ERR, IPSEC,
 				"No suitable security capability found\n");
-				return -1;
-			}
-
-			sa->ol_flags = sec_cap->ol_flags;
-			sa->security_ctx = ctx;
+			return -1;
 		}
-	} else {
-		sa->crypto_session = rte_cryptodev_sym_session_create(
-				ipsec_ctx->session_pool);
-		rte_cryptodev_sym_session_init(ipsec_ctx->tbl[cdev_id_qp].id,
-				sa->crypto_session, sa->xforms,
-				ipsec_ctx->session_pool);
 
-		rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id,
-				&cdev_info);
-		if (cdev_info.sym.max_nb_sessions_per_qp > 0) {
-			ret = rte_cryptodev_queue_pair_attach_sym_session(
-					ipsec_ctx->tbl[cdev_id_qp].id,
-					ipsec_ctx->tbl[cdev_id_qp].qp,
-					sa->crypto_session);
-			if (ret < 0) {
-				RTE_LOG(ERR, IPSEC,
-					"Session cannot be attached to qp %u\n",
-					ipsec_ctx->tbl[cdev_id_qp].qp);
-				return -1;
-			}
-		}
+		ips->security.ol_flags = sec_cap->ol_flags;
+		ips->security.ctx = sec_ctx;
 	}
-	sa->cdev_id_qp = cdev_id_qp;
 
 	return 0;
 }
 
+/*
+ * queue crypto-ops into PMD queue.
+ */
+void
+enqueue_cop_burst(struct cdev_qp *cqp)
+{
+	uint32_t i, len, ret;
+
+	len = cqp->len;
+	ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp, cqp->buf, len);
+	if (ret < len) {
+		RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:"
+			" enqueued %u crypto ops out of %u\n",
+			cqp->id, cqp->qp, ret, len);
+			/* drop packets that we fail to enqueue */
+			for (i = ret; i < len; i++)
+				rte_pktmbuf_free(cqp->buf[i]->sym->m_src);
+	}
+	cqp->in_flight += ret;
+	cqp->len = 0;
+}
+
 static inline void
 enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop)
 {
-	int32_t ret, i;
-
 	cqp->buf[cqp->len++] = cop;
 
-	if (cqp->len == MAX_PKT_BURST) {
-		ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp,
-				cqp->buf, cqp->len);
-		if (ret < cqp->len) {
-			RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:"
-					" enqueued %u crypto ops out of %u\n",
-					 cqp->id, cqp->qp,
-					 ret, cqp->len);
-			for (i = ret; i < cqp->len; i++)
-				rte_pktmbuf_free(cqp->buf[i]->sym->m_src);
-		}
-		cqp->in_flight += ret;
-		cqp->len = 0;
-	}
+	if (cqp->len == MAX_PKT_BURST)
+		enqueue_cop_burst(cqp);
 }
 
 static inline void
 ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
-		struct rte_mbuf *pkts[], struct ipsec_sa *sas[],
+		struct rte_mbuf *pkts[], void *sas[],
 		uint16_t nb_pkts)
 {
 	int32_t ret = 0, i;
 	struct ipsec_mbuf_metadata *priv;
 	struct rte_crypto_sym_op *sym_cop;
 	struct ipsec_sa *sa;
-	struct cdev_qp *cqp;
+	struct rte_ipsec_session *ips;
 
 	for (i = 0; i < nb_pkts; i++) {
 		if (unlikely(sas[i] == NULL)) {
@@ -373,18 +470,19 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
 		rte_prefetch0(pkts[i]);
 
 		priv = get_priv(pkts[i]);
-		sa = sas[i];
+		sa = ipsec_mask_saptr(sas[i]);
 		priv->sa = sa;
+		ips = ipsec_get_primary_session(sa);
 
-		switch (sa->type) {
+		switch (ips->type) {
 		case RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL:
 			priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
 			priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 
 			rte_prefetch0(&priv->sym_cop);
 
-			if ((unlikely(sa->sec_session == NULL)) &&
-					create_session(ipsec_ctx, sa)) {
+			if ((unlikely(ips->security.ses == NULL)) &&
+				create_lookaside_session(ipsec_ctx, sa, ips)) {
 				rte_pktmbuf_free(pkts[i]);
 				continue;
 			}
@@ -393,8 +491,15 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
 			sym_cop->m_src = pkts[i];
 
 			rte_security_attach_session(&priv->cop,
-					sa->sec_session);
+				ips->security.ses);
 			break;
+
+		case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO:
+			RTE_LOG(ERR, IPSEC, "CPU crypto is not supported by the"
+					" legacy mode.");
+			rte_pktmbuf_free(pkts[i]);
+			continue;
+
 		case RTE_SECURITY_ACTION_TYPE_NONE:
 
 			priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
@@ -402,14 +507,14 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
 
 			rte_prefetch0(&priv->sym_cop);
 
-			if ((unlikely(sa->crypto_session == NULL)) &&
-					create_session(ipsec_ctx, sa)) {
+			if ((unlikely(ips->crypto.ses == NULL)) &&
+				create_lookaside_session(ipsec_ctx, sa, ips)) {
 				rte_pktmbuf_free(pkts[i]);
 				continue;
 			}
 
 			rte_crypto_op_attach_sym_session(&priv->cop,
-					sa->crypto_session);
+					ips->crypto.ses);
 
 			ret = xform_func(pkts[i], sa, &priv->cop);
 			if (unlikely(ret)) {
@@ -418,33 +523,22 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
 			}
 			break;
 		case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL:
-			if ((unlikely(sa->sec_session == NULL)) &&
-					create_session(ipsec_ctx, sa)) {
-				rte_pktmbuf_free(pkts[i]);
-				continue;
-			}
-
-			cqp = &ipsec_ctx->tbl[sa->cdev_id_qp];
-			cqp->ol_pkts[cqp->ol_pkts_cnt++] = pkts[i];
-			if (sa->ol_flags & RTE_SECURITY_TX_OLOAD_NEED_MDATA)
+			RTE_ASSERT(ips->security.ses != NULL);
+			ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i];
+			if (ips->security.ol_flags &
+				RTE_SECURITY_TX_OLOAD_NEED_MDATA)
 				rte_security_set_pkt_metadata(
-						sa->security_ctx,
-						sa->sec_session, pkts[i], NULL);
+					ips->security.ctx, ips->security.ses,
+					pkts[i], NULL);
 			continue;
 		case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO:
+			RTE_ASSERT(ips->security.ses != NULL);
 			priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
 			priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 
 			rte_prefetch0(&priv->sym_cop);
-
-			if ((unlikely(sa->sec_session == NULL)) &&
-					create_session(ipsec_ctx, sa)) {
-				rte_pktmbuf_free(pkts[i]);
-				continue;
-			}
-
 			rte_security_attach_session(&priv->cop,
-					sa->sec_session);
+					ips->security.ses);
 
 			ret = xform_func(pkts[i], sa, &priv->cop);
 			if (unlikely(ret)) {
@@ -452,12 +546,12 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
 				continue;
 			}
 
-			cqp = &ipsec_ctx->tbl[sa->cdev_id_qp];
-			cqp->ol_pkts[cqp->ol_pkts_cnt++] = pkts[i];
-			if (sa->ol_flags & RTE_SECURITY_TX_OLOAD_NEED_MDATA)
+			ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i];
+			if (ips->security.ol_flags &
+				RTE_SECURITY_TX_OLOAD_NEED_MDATA)
 				rte_security_set_pkt_metadata(
-						sa->security_ctx,
-						sa->sec_session, pkts[i], NULL);
+					ips->security.ctx, ips->security.ses,
+					pkts[i], NULL);
 			continue;
 		}
 
@@ -466,6 +560,32 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
 	}
 }
 
+static inline int32_t
+ipsec_inline_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
+	      struct rte_mbuf *pkts[], uint16_t max_pkts)
+{
+	int32_t nb_pkts, ret;
+	struct ipsec_mbuf_metadata *priv;
+	struct ipsec_sa *sa;
+	struct rte_mbuf *pkt;
+
+	nb_pkts = 0;
+	while (ipsec_ctx->ol_pkts_cnt > 0 && nb_pkts < max_pkts) {
+		pkt = ipsec_ctx->ol_pkts[--ipsec_ctx->ol_pkts_cnt];
+		rte_prefetch0(pkt);
+		priv = get_priv(pkt);
+		sa = priv->sa;
+		ret = xform_func(pkt, sa, &priv->cop);
+		if (unlikely(ret)) {
+			rte_pktmbuf_free(pkt);
+			continue;
+		}
+		pkts[nb_pkts++] = pkt;
+	}
+
+	return nb_pkts;
+}
+
 static inline int
 ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
 	      struct rte_mbuf *pkts[], uint16_t max_pkts)
@@ -476,31 +596,15 @@ ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
 	struct ipsec_sa *sa;
 	struct rte_mbuf *pkt;
 
-	for (i = 0; i < ipsec_ctx->nb_qps && nb_pkts < max_pkts;) {
+	for (i = 0; i < ipsec_ctx->nb_qps && nb_pkts < max_pkts; i++) {
 		struct cdev_qp *cqp;
 
-		cqp = &ipsec_ctx->tbl[ipsec_ctx->last_qp];
+		cqp = &ipsec_ctx->tbl[ipsec_ctx->last_qp++];
+		if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps)
+			ipsec_ctx->last_qp %= ipsec_ctx->nb_qps;
 
-		while (cqp->ol_pkts_cnt > 0 && nb_pkts < max_pkts) {
-			pkt = cqp->ol_pkts[--cqp->ol_pkts_cnt];
-			rte_prefetch0(pkt);
-			priv = get_priv(pkt);
-			sa = priv->sa;
-			ret = xform_func(pkt, sa, &priv->cop);
-			if (unlikely(ret)) {
-				rte_pktmbuf_free(pkt);
-				continue;
-			}
-			pkts[nb_pkts++] = pkt;
-		}
-
-		if (cqp->in_flight == 0) {
-			ipsec_ctx->last_qp++;
-			if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps)
-				ipsec_ctx->last_qp %= ipsec_ctx->nb_qps;
-			i++;
+		if (cqp->in_flight == 0)
 			continue;
-		}
 
 		nb_cops = rte_cryptodev_dequeue_burst(cqp->id, cqp->qp,
 				cops, max_pkts - nb_pkts);
@@ -516,20 +620,21 @@ ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
 
 			RTE_ASSERT(sa != NULL);
 
-			if (sa->type == RTE_SECURITY_ACTION_TYPE_NONE) {
+			if (ipsec_get_action_type(sa) ==
+				RTE_SECURITY_ACTION_TYPE_NONE) {
 				ret = xform_func(pkt, sa, cops[j]);
 				if (unlikely(ret)) {
 					rte_pktmbuf_free(pkt);
 					continue;
 				}
+			} else if (ipsec_get_action_type(sa) ==
+				RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) {
+				if (cops[j]->status) {
+					rte_pktmbuf_free(pkt);
+					continue;
+				}
 			}
 			pkts[nb_pkts++] = pkt;
-			if (cqp->in_flight < max_pkts) {
-				ipsec_ctx->last_qp++;
-				if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps)
-					ipsec_ctx->last_qp %= ipsec_ctx->nb_qps;
-				i++;
-			}
 		}
 	}
 
@@ -541,12 +646,19 @@ uint16_t
 ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
 		uint16_t nb_pkts, uint16_t len)
 {
-	struct ipsec_sa *sas[nb_pkts];
+	void *sas[nb_pkts];
 
 	inbound_sa_lookup(ctx->sa_ctx, pkts, sas, nb_pkts);
 
 	ipsec_enqueue(esp_inbound, ctx, pkts, sas, nb_pkts);
 
+	return ipsec_inline_dequeue(esp_inbound_post, ctx, pkts, len);
+}
+
+uint16_t
+ipsec_inbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
+		uint16_t len)
+{
 	return ipsec_dequeue(esp_inbound_post, ctx, pkts, len);
 }
 
@@ -554,11 +666,18 @@ uint16_t
 ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
 		uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len)
 {
-	struct ipsec_sa *sas[nb_pkts];
+	void *sas[nb_pkts];
 
 	outbound_sa_lookup(ctx->sa_ctx, sa_idx, sas, nb_pkts);
 
 	ipsec_enqueue(esp_outbound, ctx, pkts, sas, nb_pkts);
 
+	return ipsec_inline_dequeue(esp_outbound_post, ctx, pkts, len);
+}
+
+uint16_t
+ipsec_outbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
+		uint16_t len)
+{
 	return ipsec_dequeue(esp_outbound_post, ctx, pkts, len);
 }