X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fipsec-secgw%2Fipsec.c;h=53c43db433fd453300455f02854794d0f60ad8fa;hb=c21051624d009429ddffacec73fbe517c501c3c9;hp=3ffa77a8898357cca7a2c4758e288d6c3515fc58;hpb=4e94250019102442adf00fc4c992e65ebe65e1b1;p=dpdk.git

diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c
index 3ffa77a889..53c43db433 100644
--- a/examples/ipsec-secgw/ipsec.c
+++ b/examples/ipsec-secgw/ipsec.c
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2016 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2017 Intel Corporation
  */
 #include <sys/types.h>
 #include <netinet/in.h>
@@ -37,40 +8,198 @@
 #include <rte_branch_prediction.h>
 #include <rte_log.h>
 #include <rte_crypto.h>
+#include <rte_security.h>
 #include <rte_cryptodev.h>
+#include <rte_ethdev.h>
 #include <rte_mbuf.h>
 #include <rte_hash.h>
 
 #include "ipsec.h"
+#include "esp.h"
 
 static inline int
-create_session(struct ipsec_ctx *ipsec_ctx __rte_unused, struct ipsec_sa *sa)
+create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
 {
+	struct rte_cryptodev_info cdev_info;
 	unsigned long cdev_id_qp = 0;
-	int32_t ret;
+	int32_t ret = 0;
 	struct cdev_key key = { 0 };
 
 	key.lcore_id = (uint8_t)rte_lcore_id();
 
 	key.cipher_algo = (uint8_t)sa->cipher_algo;
 	key.auth_algo = (uint8_t)sa->auth_algo;
-
-	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\n", key.lcore_id, key.cipher_algo,
-				key.auth_algo);
-		return -1;
+	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,
+				"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;
+		}
 	}
 
-	RTE_LOG(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev "
-			"%u qp %u\n", sa->spi, ipsec_ctx->tbl[cdev_id_qp].id,
+	RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev "
+			"%u qp %u\n", sa->spi,
+			ipsec_ctx->tbl[cdev_id_qp].id,
 			ipsec_ctx->tbl[cdev_id_qp].qp);
 
-	sa->crypto_session = rte_cryptodev_sym_session_create(
-			ipsec_ctx->tbl[cdev_id_qp].id, sa->xforms);
-
+	if (sa->type != RTE_SECURITY_ACTION_TYPE_NONE) {
+		struct rte_security_session_conf sess_conf = {
+			.action_type = sa->type,
+			.protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+			{.ipsec = {
+				.spi = sa->spi,
+				.salt = sa->salt,
+				.options = { 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
+
+		};
+
+		if (sa->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);
+
+			if (sess_conf.ipsec.mode ==
+					RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
+				struct rte_security_ipsec_tunnel_param *tunnel =
+						&sess_conf.ipsec.tunnel;
+				if (sa->flags == IP4_TUNNEL) {
+					tunnel->type =
+						RTE_SECURITY_IPSEC_TUNNEL_IPV4;
+					tunnel->ipv4.ttl = IPDEFTTL;
+
+					memcpy((uint8_t *)&tunnel->ipv4.src_ip,
+						(uint8_t *)&sa->src.ip.ip4, 4);
+
+					memcpy((uint8_t *)&tunnel->ipv4.dst_ip,
+						(uint8_t *)&sa->dst.ip.ip4, 4);
+				}
+				/* TODO support for Transport and IPV6 tunnel */
+			}
+
+			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;
+
+			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;
+			}
+
+			sec_cap = rte_security_capabilities_get(ctx);
+
+			/* 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++;
+			}
+
+			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;
+			sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
+
+			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;
+			}
+
+			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;
+
+			sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
+
+			sa->action[0].type = RTE_FLOW_ACTION_TYPE_SECURITY;
+			sa->action[0].conf = sa->sec_session;
+
+			sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
+
+			sa->attr.egress = (sa->direction ==
+					RTE_SECURITY_IPSEC_SA_DIR_EGRESS);
+			sa->flow = rte_flow_create(sa->portid,
+				&sa->attr, sa->pattern, sa->action, &err);
+			if (sa->flow == NULL) {
+				RTE_LOG(ERR, IPSEC,
+					"Failed to create ipsec flow msg: %s\n",
+					err.message);
+				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;
+			}
+		}
+	}
 	sa->cdev_id_qp = cdev_id_qp;
 
 	return 0;
@@ -79,7 +208,7 @@ create_session(struct ipsec_ctx *ipsec_ctx __rte_unused, struct ipsec_sa *sa)
 static inline void
 enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop)
 {
-	int ret, i;
+	int32_t ret, i;
 
 	cqp->buf[cqp->len++] = cop;
 
@@ -87,7 +216,7 @@ enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop)
 		ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp,
 				cqp->buf, cqp->len);
 		if (ret < cqp->len) {
-			RTE_LOG(DEBUG, IPSEC, "Cryptodev %u queue %u:"
+			RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:"
 					" enqueued %u crypto ops out of %u\n",
 					 cqp->id, cqp->qp,
 					 ret, cqp->len);
@@ -99,17 +228,23 @@ enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop)
 	}
 }
 
-static inline uint16_t
-ipsec_processing(struct ipsec_ctx *ipsec_ctx, struct rte_mbuf *pkts[],
-		struct ipsec_sa *sas[], uint16_t nb_pkts, uint16_t max_pkts)
+static inline void
+ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
+		struct rte_mbuf *pkts[], struct ipsec_sa *sas[],
+		uint16_t nb_pkts)
 {
-	int ret = 0, i, j, nb_cops;
+	int32_t ret = 0, i;
 	struct ipsec_mbuf_metadata *priv;
-	struct rte_crypto_op *cops[max_pkts];
+	struct rte_crypto_sym_op *sym_cop;
 	struct ipsec_sa *sa;
-	struct rte_mbuf *pkt;
+	struct cdev_qp *cqp;
 
 	for (i = 0; i < nb_pkts; i++) {
+		if (unlikely(sas[i] == NULL)) {
+			rte_pktmbuf_free(pkts[i]);
+			continue;
+		}
+
 		rte_prefetch0(sas[i]);
 		rte_prefetch0(pkts[i]);
 
@@ -117,33 +252,94 @@ ipsec_processing(struct ipsec_ctx *ipsec_ctx, struct rte_mbuf *pkts[],
 		sa = sas[i];
 		priv->sa = sa;
 
-		RTE_ASSERT(sa != NULL);
-
-		priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
-
-		rte_prefetch0(&priv->sym_cop);
-		priv->cop.sym = &priv->sym_cop;
-
-		if ((unlikely(sa->crypto_session == NULL)) &&
-				create_session(ipsec_ctx, sa)) {
-			rte_pktmbuf_free(pkts[i]);
-			continue;
-		}
-
-		rte_crypto_op_attach_sym_session(&priv->cop,
-				sa->crypto_session);
-
-		ret = sa->pre_crypto(pkts[i], sa, &priv->cop);
-		if (unlikely(ret)) {
-			rte_pktmbuf_free(pkts[i]);
+		switch (sa->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)) {
+				rte_pktmbuf_free(pkts[i]);
+				continue;
+			}
+
+			sym_cop = get_sym_cop(&priv->cop);
+			sym_cop->m_src = pkts[i];
+
+			rte_security_attach_session(&priv->cop,
+					sa->sec_session);
+			break;
+		case RTE_SECURITY_ACTION_TYPE_NONE:
+
+			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->crypto_session == NULL)) &&
+					create_session(ipsec_ctx, sa)) {
+				rte_pktmbuf_free(pkts[i]);
+				continue;
+			}
+
+			rte_crypto_op_attach_sym_session(&priv->cop,
+					sa->crypto_session);
+
+			ret = xform_func(pkts[i], sa, &priv->cop);
+			if (unlikely(ret)) {
+				rte_pktmbuf_free(pkts[i]);
+				continue;
+			}
+			break;
+		case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL:
+			break;
+		case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO:
+			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);
+
+			ret = xform_func(pkts[i], sa, &priv->cop);
+			if (unlikely(ret)) {
+				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_security_set_pkt_metadata(
+						sa->security_ctx,
+						sa->sec_session, pkts[i], NULL);
 			continue;
 		}
 
 		RTE_ASSERT(sa->cdev_id_qp < ipsec_ctx->nb_qps);
 		enqueue_cop(&ipsec_ctx->tbl[sa->cdev_id_qp], &priv->cop);
 	}
+}
+
+static inline int
+ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
+	      struct rte_mbuf *pkts[], uint16_t max_pkts)
+{
+	int32_t nb_pkts = 0, ret = 0, i, j, nb_cops;
+	struct ipsec_mbuf_metadata *priv;
+	struct rte_crypto_op *cops[max_pkts];
+	struct ipsec_sa *sa;
+	struct rte_mbuf *pkt;
 
-	nb_pkts = 0;
 	for (i = 0; i < ipsec_ctx->nb_qps && nb_pkts < max_pkts; i++) {
 		struct cdev_qp *cqp;
 
@@ -151,6 +347,19 @@ ipsec_processing(struct ipsec_ctx *ipsec_ctx, struct rte_mbuf *pkts[],
 		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)
 			continue;
 
@@ -168,11 +377,14 @@ ipsec_processing(struct ipsec_ctx *ipsec_ctx, struct rte_mbuf *pkts[],
 
 			RTE_ASSERT(sa != NULL);
 
-			ret = sa->post_crypto(pkt, sa, cops[j]);
-			if (unlikely(ret))
-				rte_pktmbuf_free(pkt);
-			else
-				pkts[nb_pkts++] = pkt;
+			if (sa->type == RTE_SECURITY_ACTION_TYPE_NONE) {
+				ret = xform_func(pkt, sa, cops[j]);
+				if (unlikely(ret)) {
+					rte_pktmbuf_free(pkt);
+					continue;
+				}
+			}
+			pkts[nb_pkts++] = pkt;
 		}
 	}
 
@@ -188,7 +400,9 @@ ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
 
 	inbound_sa_lookup(ctx->sa_ctx, pkts, sas, nb_pkts);
 
-	return ipsec_processing(ctx, pkts, sas, nb_pkts, len);
+	ipsec_enqueue(esp_inbound, ctx, pkts, sas, nb_pkts);
+
+	return ipsec_dequeue(esp_inbound_post, ctx, pkts, len);
 }
 
 uint16_t
@@ -199,5 +413,7 @@ ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
 
 	outbound_sa_lookup(ctx->sa_ctx, sa_idx, sas, nb_pkts);
 
-	return ipsec_processing(ctx, pkts, sas, nb_pkts, len);
+	ipsec_enqueue(esp_outbound, ctx, pkts, sas, nb_pkts);
+
+	return ipsec_dequeue(esp_outbound_post, ctx, pkts, len);
 }