X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fipsec-secgw%2Fsa.c;h=c65dbe974cf45e906fab14f158667771da38dfd1;hb=5ef2546767525c8a4a3c2bc60357b23c3dffcf6b;hp=d5ad5af70d943f08fc0643480a89675bd3508414;hpb=a9121c4001c1f7003a6c681cfefe77f58e632347;p=dpdk.git

diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
index d5ad5af70d..c65dbe974c 100644
--- a/examples/ipsec-secgw/sa.c
+++ b/examples/ipsec-secgw/sa.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
  */
 
 /*
@@ -41,15 +12,21 @@
 
 #include <rte_memzone.h>
 #include <rte_crypto.h>
+#include <rte_security.h>
 #include <rte_cryptodev.h>
 #include <rte_byteorder.h>
 #include <rte_errno.h>
 #include <rte_ip.h>
+#include <rte_random.h>
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
 
 #include "ipsec.h"
 #include "esp.h"
 #include "parser.h"
 
+#define IPDEFTTL 64
+
 struct supported_cipher_algo {
 	const char *keyword;
 	enum rte_crypto_cipher_algorithm algo;
@@ -63,10 +40,20 @@ struct supported_auth_algo {
 	enum rte_crypto_auth_algorithm algo;
 	uint16_t digest_len;
 	uint16_t key_len;
-	uint8_t aad_len;
 	uint8_t key_not_req;
 };
 
+struct supported_aead_algo {
+	const char *keyword;
+	enum rte_crypto_aead_algorithm algo;
+	uint16_t iv_len;
+	uint16_t block_size;
+	uint16_t digest_len;
+	uint16_t key_len;
+	uint8_t aad_len;
+};
+
+
 const struct supported_cipher_algo cipher_algos[] = {
 	{
 		.keyword = "null",
@@ -83,11 +70,25 @@ const struct supported_cipher_algo cipher_algos[] = {
 		.key_len = 16
 	},
 	{
-		.keyword = "aes-128-gcm",
-		.algo = RTE_CRYPTO_CIPHER_AES_GCM,
+		.keyword = "aes-256-cbc",
+		.algo = RTE_CRYPTO_CIPHER_AES_CBC,
+		.iv_len = 16,
+		.block_size = 16,
+		.key_len = 32
+	},
+	{
+		.keyword = "aes-128-ctr",
+		.algo = RTE_CRYPTO_CIPHER_AES_CTR,
 		.iv_len = 8,
 		.block_size = 4,
-		.key_len = 16
+		.key_len = 20
+	},
+	{
+		.keyword = "3des-cbc",
+		.algo = RTE_CRYPTO_CIPHER_3DES_CBC,
+		.iv_len = 8,
+		.block_size = 8,
+		.key_len = 24
 	}
 };
 
@@ -105,21 +106,31 @@ const struct supported_auth_algo auth_algos[] = {
 		.digest_len = 12,
 		.key_len = 20
 	},
+	{
+		.keyword = "sha256-hmac",
+		.algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
+		.digest_len = 12,
+		.key_len = 32
+	}
+};
+
+const struct supported_aead_algo aead_algos[] = {
 	{
 		.keyword = "aes-128-gcm",
-		.algo = RTE_CRYPTO_AUTH_AES_GCM,
+		.algo = RTE_CRYPTO_AEAD_AES_GCM,
+		.iv_len = 8,
+		.block_size = 4,
+		.key_len = 20,
 		.digest_len = 16,
-		.key_len = 16,
 		.aad_len = 8,
-		.key_not_req = 1
 	}
 };
 
-struct ipsec_sa sa_out[IPSEC_SA_MAX_ENTRIES];
-uint32_t nb_sa_out;
+static struct ipsec_sa sa_out[IPSEC_SA_MAX_ENTRIES];
+static uint32_t nb_sa_out;
 
-struct ipsec_sa sa_in[IPSEC_SA_MAX_ENTRIES];
-uint32_t nb_sa_in;
+static struct ipsec_sa sa_in[IPSEC_SA_MAX_ENTRIES];
+static uint32_t nb_sa_in;
 
 static const struct supported_cipher_algo *
 find_match_cipher_algo(const char *cipher_keyword)
@@ -153,6 +164,22 @@ find_match_auth_algo(const char *auth_keyword)
 	return NULL;
 }
 
+static const struct supported_aead_algo *
+find_match_aead_algo(const char *aead_keyword)
+{
+	size_t i;
+
+	for (i = 0; i < RTE_DIM(aead_algos); i++) {
+		const struct supported_aead_algo *algo =
+			&aead_algos[i];
+
+		if (strcmp(aead_keyword, algo->keyword) == 0)
+			return algo;
+	}
+
+	return NULL;
+}
+
 /** parse_key_string
  *  parse x:x:x:x.... hex number key string into uint8_t *key
  *  return:
@@ -163,15 +190,18 @@ static uint32_t
 parse_key_string(const char *key_str, uint8_t *key)
 {
 	const char *pt_start = key_str, *pt_end = key_str;
-	char sub_str[3];
 	uint32_t nb_bytes = 0;
 
 	while (pt_end != NULL) {
+		char sub_str[3] = {0};
+
 		pt_end = strchr(pt_start, ':');
 
-		if (pt_end == NULL)
-			strncpy(sub_str, pt_start, strlen(pt_start));
-		else {
+		if (pt_end == NULL) {
+			if (strlen(pt_start) > 2)
+				return 0;
+			strncpy(sub_str, pt_start, 2);
+		} else {
 			if (pt_end - pt_start > 2)
 				return 0;
 
@@ -194,9 +224,12 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
 	uint32_t *ri /*rule index*/;
 	uint32_t cipher_algo_p = 0;
 	uint32_t auth_algo_p = 0;
+	uint32_t aead_algo_p = 0;
 	uint32_t src_p = 0;
 	uint32_t dst_p = 0;
 	uint32_t mode_p = 0;
+	uint32_t type_p = 0;
+	uint32_t portid_p = 0;
 
 	if (strcmp(tokens[0], "in") == 0) {
 		ri = &nb_sa_in;
@@ -222,6 +255,8 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
 	APP_CHECK_TOKEN_IS_NUM(tokens, 1, status);
 	if (status->status < 0)
 		return;
+	if (atoi(tokens[1]) == INVALID_SPI)
+		return;
 	rule->spi = atoi(tokens[1]);
 
 	for (ti = 2; ti < n_tokens; ti++) {
@@ -300,6 +335,17 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
 			if (status->status < 0)
 				return;
 
+			if (algo->algo == RTE_CRYPTO_CIPHER_AES_CBC ||
+				algo->algo == RTE_CRYPTO_CIPHER_3DES_CBC)
+				rule->salt = (uint32_t)rte_rand();
+
+			if (algo->algo == RTE_CRYPTO_CIPHER_AES_CTR) {
+				key_len -= 4;
+				rule->cipher_key_len = key_len;
+				memcpy(&rule->salt,
+					&rule->cipher_key[key_len], 4);
+			}
+
 			cipher_algo_p = 1;
 			continue;
 		}
@@ -324,7 +370,6 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
 			rule->auth_algo = algo->algo;
 			rule->auth_key_len = algo->key_len;
 			rule->digest_len = algo->digest_len;
-			rule->aad_len = algo->key_len;
 
 			/* NULL algorithm and combined algos do not
 			 * require auth key
@@ -359,6 +404,61 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
 			continue;
 		}
 
+		if (strcmp(tokens[ti], "aead_algo") == 0) {
+			const struct supported_aead_algo *algo;
+			uint32_t key_len;
+
+			APP_CHECK_PRESENCE(aead_algo_p, tokens[ti],
+				status);
+			if (status->status < 0)
+				return;
+
+			INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+			if (status->status < 0)
+				return;
+
+			algo = find_match_aead_algo(tokens[ti]);
+
+			APP_CHECK(algo != NULL, status, "unrecognized "
+				"input \"%s\"", tokens[ti]);
+
+			rule->aead_algo = algo->algo;
+			rule->cipher_key_len = algo->key_len;
+			rule->digest_len = algo->digest_len;
+			rule->aad_len = algo->aad_len;
+			rule->block_size = algo->block_size;
+			rule->iv_len = algo->iv_len;
+
+			INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+			if (status->status < 0)
+				return;
+
+			APP_CHECK(strcmp(tokens[ti], "aead_key") == 0,
+				status, "unrecognized input \"%s\", "
+				"expect \"aead_key\"", tokens[ti]);
+			if (status->status < 0)
+				return;
+
+			INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+			if (status->status < 0)
+				return;
+
+			key_len = parse_key_string(tokens[ti],
+				rule->cipher_key);
+			APP_CHECK(key_len == rule->cipher_key_len, status,
+				"unrecognized input \"%s\"", tokens[ti]);
+			if (status->status < 0)
+				return;
+
+			key_len -= 4;
+			rule->cipher_key_len = key_len;
+			memcpy(&rule->salt,
+				&rule->cipher_key[key_len], 4);
+
+			aead_algo_p = 1;
+			continue;
+		}
+
 		if (strcmp(tokens[ti], "src") == 0) {
 			APP_CHECK_PRESENCE(src_p, tokens[ti], status);
 			if (status->status < 0)
@@ -444,28 +544,94 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
 			continue;
 		}
 
+		if (strcmp(tokens[ti], "type") == 0) {
+			APP_CHECK_PRESENCE(type_p, tokens[ti], status);
+			if (status->status < 0)
+				return;
+
+			INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+			if (status->status < 0)
+				return;
+
+			if (strcmp(tokens[ti], "inline-crypto-offload") == 0)
+				rule->type =
+					RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO;
+			else if (strcmp(tokens[ti],
+					"inline-protocol-offload") == 0)
+				rule->type =
+				RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL;
+			else if (strcmp(tokens[ti],
+					"lookaside-protocol-offload") == 0)
+				rule->type =
+				RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL;
+			else if (strcmp(tokens[ti], "no-offload") == 0)
+				rule->type = RTE_SECURITY_ACTION_TYPE_NONE;
+			else {
+				APP_CHECK(0, status, "Invalid input \"%s\"",
+						tokens[ti]);
+				return;
+			}
+
+			type_p = 1;
+			continue;
+		}
+
+		if (strcmp(tokens[ti], "port_id") == 0) {
+			APP_CHECK_PRESENCE(portid_p, tokens[ti], status);
+			if (status->status < 0)
+				return;
+			INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+			if (status->status < 0)
+				return;
+			rule->portid = atoi(tokens[ti]);
+			if (status->status < 0)
+				return;
+			portid_p = 1;
+			continue;
+		}
+
 		/* unrecognizeable input */
 		APP_CHECK(0, status, "unrecognized input \"%s\"",
 			tokens[ti]);
 		return;
 	}
 
-	APP_CHECK(cipher_algo_p == 1, status, "missing cipher options");
-	if (status->status < 0)
-		return;
+	if (aead_algo_p) {
+		APP_CHECK(cipher_algo_p == 0, status,
+				"AEAD used, no need for cipher options");
+		if (status->status < 0)
+			return;
 
-	APP_CHECK(auth_algo_p == 1, status, "missing auth options");
-	if (status->status < 0)
-		return;
+		APP_CHECK(auth_algo_p == 0, status,
+				"AEAD used, no need for auth options");
+		if (status->status < 0)
+			return;
+	} else {
+		APP_CHECK(cipher_algo_p == 1, status, "missing cipher or AEAD options");
+		if (status->status < 0)
+			return;
+
+		APP_CHECK(auth_algo_p == 1, status, "missing auth or AEAD options");
+		if (status->status < 0)
+			return;
+	}
 
 	APP_CHECK(mode_p == 1, status, "missing mode option");
 	if (status->status < 0)
 		return;
 
+	if ((rule->type != RTE_SECURITY_ACTION_TYPE_NONE) && (portid_p == 0))
+		printf("Missing portid option, falling back to non-offload\n");
+
+	if (!type_p || !portid_p) {
+		rule->type = RTE_SECURITY_ACTION_TYPE_NONE;
+		rule->portid = -1;
+	}
+
 	*ri = *ri + 1;
 }
 
-static inline void
+static void
 print_one_sa_rule(const struct ipsec_sa *sa, int inbound)
 {
 	uint32_t i;
@@ -474,7 +640,8 @@ print_one_sa_rule(const struct ipsec_sa *sa, int inbound)
 	printf("\tspi_%s(%3u):", inbound?"in":"out", sa->spi);
 
 	for (i = 0; i < RTE_DIM(cipher_algos); i++) {
-		if (cipher_algos[i].algo == sa->cipher_algo) {
+		if (cipher_algos[i].algo == sa->cipher_algo &&
+				cipher_algos[i].key_len == sa->cipher_key_len) {
 			printf("%s ", cipher_algos[i].keyword);
 			break;
 		}
@@ -487,6 +654,13 @@ print_one_sa_rule(const struct ipsec_sa *sa, int inbound)
 		}
 	}
 
+	for (i = 0; i < RTE_DIM(aead_algos); i++) {
+		if (aead_algos[i].algo == sa->aead_algo) {
+			printf("%s ", aead_algos[i].keyword);
+			break;
+		}
+	}
+
 	printf("mode:");
 
 	switch (sa->flags) {
@@ -514,17 +688,35 @@ print_one_sa_rule(const struct ipsec_sa *sa, int inbound)
 		}
 		break;
 	case TRANSPORT:
-		printf("Transport");
+		printf("Transport ");
+		break;
+	}
+	printf(" type:");
+	switch (sa->type) {
+	case RTE_SECURITY_ACTION_TYPE_NONE:
+		printf("no-offload ");
+		break;
+	case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO:
+		printf("inline-crypto-offload ");
+		break;
+	case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL:
+		printf("inline-protocol-offload ");
+		break;
+	case RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL:
+		printf("lookaside-protocol-offload ");
 		break;
 	}
 	printf("\n");
 }
 
 struct sa_ctx {
+	void *satbl; /* pointer to array of rte_ipsec_sa objects*/
 	struct ipsec_sa sa[IPSEC_SA_MAX_ENTRIES];
-	struct {
-		struct rte_crypto_sym_xform a;
-		struct rte_crypto_sym_xform b;
+	union {
+		struct {
+			struct rte_crypto_sym_xform a;
+			struct rte_crypto_sym_xform b;
+		};
 	} xf[IPSEC_SA_MAX_ENTRIES];
 };
 
@@ -539,8 +731,8 @@ sa_create(const char *name, int32_t socket_id)
 	snprintf(s, sizeof(s), "%s_%u", name, socket_id);
 
 	/* Create SA array table */
-	printf("Creating SA context with %u maximum entries\n",
-			IPSEC_SA_MAX_ENTRIES);
+	printf("Creating SA context with %u maximum entries on socket %d\n",
+			IPSEC_SA_MAX_ENTRIES, socket_id);
 
 	mz_size = sizeof(struct sa_ctx);
 	mz = rte_memzone_reserve(s, mz_size, socket_id,
@@ -556,12 +748,43 @@ sa_create(const char *name, int32_t socket_id)
 	return sa_ctx;
 }
 
+static int
+check_eth_dev_caps(uint16_t portid, uint32_t inbound)
+{
+	struct rte_eth_dev_info dev_info;
+
+	rte_eth_dev_info_get(portid, &dev_info);
+
+	if (inbound) {
+		if ((dev_info.rx_offload_capa &
+				DEV_RX_OFFLOAD_SECURITY) == 0) {
+			RTE_LOG(WARNING, PORT,
+				"hardware RX IPSec offload is not supported\n");
+			return -EINVAL;
+		}
+
+	} else { /* outbound */
+		if ((dev_info.tx_offload_capa &
+				DEV_TX_OFFLOAD_SECURITY) == 0) {
+			RTE_LOG(WARNING, PORT,
+				"hardware TX IPSec offload is not supported\n");
+			return -EINVAL;
+		}
+	}
+	return 0;
+}
+
+
 static int
 sa_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
 		uint32_t nb_entries, uint32_t inbound)
 {
 	struct ipsec_sa *sa;
 	uint32_t i, idx;
+	uint16_t iv_length, aad_length;
+
+	/* for ESN upper 32 bits of SQN also need to be part of AAD */
+	aad_length = (app_sa_prm.enable_esn != 0) ? sizeof(uint32_t) : 0;
 
 	for (i = 0; i < nb_entries; i++) {
 		idx = SPI2IDX(entries[i].spi);
@@ -574,62 +797,111 @@ sa_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
 		*sa = entries[i];
 		sa->seq = 0;
 
+		if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL ||
+			sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
+			if (check_eth_dev_caps(sa->portid, inbound))
+				return -EINVAL;
+		}
+
+		sa->direction = (inbound == 1) ?
+				RTE_SECURITY_IPSEC_SA_DIR_INGRESS :
+				RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
+
 		switch (sa->flags) {
 		case IP4_TUNNEL:
 			sa->src.ip.ip4 = rte_cpu_to_be_32(sa->src.ip.ip4);
 			sa->dst.ip.ip4 = rte_cpu_to_be_32(sa->dst.ip.ip4);
 		}
 
-		if (inbound) {
-			sa_ctx->xf[idx].b.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
-			sa_ctx->xf[idx].b.cipher.algo = sa->cipher_algo;
-			sa_ctx->xf[idx].b.cipher.key.data = sa->cipher_key;
-			sa_ctx->xf[idx].b.cipher.key.length =
-				sa->cipher_key_len;
-			sa_ctx->xf[idx].b.cipher.op =
-				RTE_CRYPTO_CIPHER_OP_DECRYPT;
-			sa_ctx->xf[idx].b.next = NULL;
+		if (sa->aead_algo == RTE_CRYPTO_AEAD_AES_GCM) {
+			iv_length = 16;
 
-			sa_ctx->xf[idx].a.type = RTE_CRYPTO_SYM_XFORM_AUTH;
-			sa_ctx->xf[idx].a.auth.algo = sa->auth_algo;
-			sa_ctx->xf[idx].a.auth.add_auth_data_length =
-				sa->aad_len;
-			sa_ctx->xf[idx].a.auth.key.data = sa->auth_key;
-			sa_ctx->xf[idx].a.auth.key.length =
-				sa->auth_key_len;
-			sa_ctx->xf[idx].a.auth.digest_length =
-				sa->digest_len;
-			sa_ctx->xf[idx].a.auth.op =
-				RTE_CRYPTO_AUTH_OP_VERIFY;
-
-		} else { /* outbound */
-			sa_ctx->xf[idx].a.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
-			sa_ctx->xf[idx].a.cipher.algo = sa->cipher_algo;
-			sa_ctx->xf[idx].a.cipher.key.data = sa->cipher_key;
-			sa_ctx->xf[idx].a.cipher.key.length =
+			sa_ctx->xf[idx].a.type = RTE_CRYPTO_SYM_XFORM_AEAD;
+			sa_ctx->xf[idx].a.aead.algo = sa->aead_algo;
+			sa_ctx->xf[idx].a.aead.key.data = sa->cipher_key;
+			sa_ctx->xf[idx].a.aead.key.length =
 				sa->cipher_key_len;
-			sa_ctx->xf[idx].a.cipher.op =
-				RTE_CRYPTO_CIPHER_OP_ENCRYPT;
+			sa_ctx->xf[idx].a.aead.op = (inbound == 1) ?
+				RTE_CRYPTO_AEAD_OP_DECRYPT :
+				RTE_CRYPTO_AEAD_OP_ENCRYPT;
 			sa_ctx->xf[idx].a.next = NULL;
-
-			sa_ctx->xf[idx].b.type = RTE_CRYPTO_SYM_XFORM_AUTH;
-			sa_ctx->xf[idx].b.auth.algo = sa->auth_algo;
-			sa_ctx->xf[idx].b.auth.add_auth_data_length =
-				sa->aad_len;
-			sa_ctx->xf[idx].b.auth.key.data = sa->auth_key;
-			sa_ctx->xf[idx].b.auth.key.length =
-				sa->auth_key_len;
-			sa_ctx->xf[idx].b.auth.digest_length =
+			sa_ctx->xf[idx].a.aead.iv.offset = IV_OFFSET;
+			sa_ctx->xf[idx].a.aead.iv.length = iv_length;
+			sa_ctx->xf[idx].a.aead.aad_length =
+				sa->aad_len + aad_length;
+			sa_ctx->xf[idx].a.aead.digest_length =
 				sa->digest_len;
-			sa_ctx->xf[idx].b.auth.op =
-				RTE_CRYPTO_AUTH_OP_GENERATE;
-		}
 
-		sa_ctx->xf[idx].a.next = &sa_ctx->xf[idx].b;
-		sa_ctx->xf[idx].b.next = NULL;
-		sa->xforms = &sa_ctx->xf[idx].a;
+			sa->xforms = &sa_ctx->xf[idx].a;
+
+			print_one_sa_rule(sa, inbound);
+		} else {
+			switch (sa->cipher_algo) {
+			case RTE_CRYPTO_CIPHER_NULL:
+			case RTE_CRYPTO_CIPHER_3DES_CBC:
+			case RTE_CRYPTO_CIPHER_AES_CBC:
+				iv_length = sa->iv_len;
+				break;
+			case RTE_CRYPTO_CIPHER_AES_CTR:
+				iv_length = 16;
+				break;
+			default:
+				RTE_LOG(ERR, IPSEC_ESP,
+						"unsupported cipher algorithm %u\n",
+						sa->cipher_algo);
+				return -EINVAL;
+			}
+
+			if (inbound) {
+				sa_ctx->xf[idx].b.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
+				sa_ctx->xf[idx].b.cipher.algo = sa->cipher_algo;
+				sa_ctx->xf[idx].b.cipher.key.data = sa->cipher_key;
+				sa_ctx->xf[idx].b.cipher.key.length =
+					sa->cipher_key_len;
+				sa_ctx->xf[idx].b.cipher.op =
+					RTE_CRYPTO_CIPHER_OP_DECRYPT;
+				sa_ctx->xf[idx].b.next = NULL;
+				sa_ctx->xf[idx].b.cipher.iv.offset = IV_OFFSET;
+				sa_ctx->xf[idx].b.cipher.iv.length = iv_length;
+
+				sa_ctx->xf[idx].a.type = RTE_CRYPTO_SYM_XFORM_AUTH;
+				sa_ctx->xf[idx].a.auth.algo = sa->auth_algo;
+				sa_ctx->xf[idx].a.auth.key.data = sa->auth_key;
+				sa_ctx->xf[idx].a.auth.key.length =
+					sa->auth_key_len;
+				sa_ctx->xf[idx].a.auth.digest_length =
+					sa->digest_len;
+				sa_ctx->xf[idx].a.auth.op =
+					RTE_CRYPTO_AUTH_OP_VERIFY;
+			} else { /* outbound */
+				sa_ctx->xf[idx].a.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
+				sa_ctx->xf[idx].a.cipher.algo = sa->cipher_algo;
+				sa_ctx->xf[idx].a.cipher.key.data = sa->cipher_key;
+				sa_ctx->xf[idx].a.cipher.key.length =
+					sa->cipher_key_len;
+				sa_ctx->xf[idx].a.cipher.op =
+					RTE_CRYPTO_CIPHER_OP_ENCRYPT;
+				sa_ctx->xf[idx].a.next = NULL;
+				sa_ctx->xf[idx].a.cipher.iv.offset = IV_OFFSET;
+				sa_ctx->xf[idx].a.cipher.iv.length = iv_length;
+
+				sa_ctx->xf[idx].b.type = RTE_CRYPTO_SYM_XFORM_AUTH;
+				sa_ctx->xf[idx].b.auth.algo = sa->auth_algo;
+				sa_ctx->xf[idx].b.auth.key.data = sa->auth_key;
+				sa_ctx->xf[idx].b.auth.key.length =
+					sa->auth_key_len;
+				sa_ctx->xf[idx].b.auth.digest_length =
+					sa->digest_len;
+				sa_ctx->xf[idx].b.auth.op =
+					RTE_CRYPTO_AUTH_OP_GENERATE;
+			}
+
+			sa_ctx->xf[idx].a.next = &sa_ctx->xf[idx].b;
+			sa_ctx->xf[idx].b.next = NULL;
+			sa->xforms = &sa_ctx->xf[idx].a;
 
-		print_one_sa_rule(sa, inbound);
+			print_one_sa_rule(sa, inbound);
+		}
 	}
 
 	return 0;
@@ -649,9 +921,230 @@ sa_in_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
 	return sa_add_rules(sa_ctx, entries, nb_entries, 1);
 }
 
+/*
+ * helper function, fills parameters that are identical for all SAs
+ */
+static void
+fill_ipsec_app_sa_prm(struct rte_ipsec_sa_prm *prm,
+	const struct app_sa_prm *app_prm)
+{
+	memset(prm, 0, sizeof(*prm));
+
+	prm->flags = app_prm->flags;
+	prm->ipsec_xform.options.esn = app_prm->enable_esn;
+	prm->replay_win_sz = app_prm->window_size;
+}
+
+/*
+ * Helper function, tries to determine next_proto for SPI
+ * by searching though SP rules.
+ */
+static int
+get_spi_proto(uint32_t spi, enum rte_security_ipsec_sa_direction dir)
+{
+	int32_t rc4, rc6;
+
+	rc4 = sp4_spi_present(spi, dir == RTE_SECURITY_IPSEC_SA_DIR_INGRESS);
+	rc6 = sp6_spi_present(spi, dir == RTE_SECURITY_IPSEC_SA_DIR_INGRESS);
+
+	if (rc4 >= 0) {
+		if (rc6 >= 0) {
+			RTE_LOG(ERR, IPSEC,
+				"%s: SPI %u used simultaeously by "
+				"IPv4(%d) and IPv6 (%d) SP rules\n",
+				__func__, spi, rc4, rc6);
+			return -EINVAL;
+		} else
+			return IPPROTO_IPIP;
+	} else if (rc6 < 0) {
+		RTE_LOG(ERR, IPSEC,
+			"%s: SPI %u is not used by any SP rule\n",
+			__func__, spi);
+		return -EINVAL;
+	} else
+		return IPPROTO_IPV6;
+}
+
+static int
+fill_ipsec_sa_prm(struct rte_ipsec_sa_prm *prm, const struct ipsec_sa *ss,
+	const struct ipv4_hdr *v4, struct ipv6_hdr *v6)
+{
+	int32_t rc;
+
+	/*
+	 * Try to get SPI next proto by searching that SPI in SPD.
+	 * probably not the optimal way, but there seems nothing
+	 * better right now.
+	 */
+	rc = get_spi_proto(ss->spi, ss->direction);
+	if (rc < 0)
+		return rc;
+
+	fill_ipsec_app_sa_prm(prm, &app_sa_prm);
+	prm->userdata = (uintptr_t)ss;
+
+	/* setup ipsec xform */
+	prm->ipsec_xform.spi = ss->spi;
+	prm->ipsec_xform.salt = ss->salt;
+	prm->ipsec_xform.direction = ss->direction;
+	prm->ipsec_xform.proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP;
+	prm->ipsec_xform.mode = (ss->flags == TRANSPORT) ?
+		RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT :
+		RTE_SECURITY_IPSEC_SA_MODE_TUNNEL;
+
+	if (ss->flags == IP4_TUNNEL) {
+		prm->ipsec_xform.tunnel.type = RTE_SECURITY_IPSEC_TUNNEL_IPV4;
+		prm->tun.hdr_len = sizeof(*v4);
+		prm->tun.next_proto = rc;
+		prm->tun.hdr = v4;
+	} else if (ss->flags == IP6_TUNNEL) {
+		prm->ipsec_xform.tunnel.type = RTE_SECURITY_IPSEC_TUNNEL_IPV6;
+		prm->tun.hdr_len = sizeof(*v6);
+		prm->tun.next_proto = rc;
+		prm->tun.hdr = v6;
+	} else {
+		/* transport mode */
+		prm->trs.proto = rc;
+	}
+
+	/* setup crypto section */
+	prm->crypto_xform = ss->xforms;
+	return 0;
+}
+
+static void
+fill_ipsec_session(struct rte_ipsec_session *ss, struct rte_ipsec_sa *sa,
+	const struct ipsec_sa *lsa)
+{
+	ss->sa = sa;
+	ss->type = lsa->type;
+
+	/* setup crypto section */
+	if (ss->type == RTE_SECURITY_ACTION_TYPE_NONE) {
+		ss->crypto.ses = lsa->crypto_session;
+	/* setup session action type */
+	} else {
+		ss->security.ses = lsa->sec_session;
+		ss->security.ctx = lsa->security_ctx;
+		ss->security.ol_flags = lsa->ol_flags;
+	}
+}
+
+/*
+ * Initialise related rte_ipsec_sa object.
+ */
+static int
+ipsec_sa_init(struct ipsec_sa *lsa, struct rte_ipsec_sa *sa, uint32_t sa_size)
+{
+	int rc;
+	struct rte_ipsec_sa_prm prm;
+	struct ipv4_hdr v4  = {
+		.version_ihl = IPVERSION << 4 |
+			sizeof(v4) / IPV4_IHL_MULTIPLIER,
+		.time_to_live = IPDEFTTL,
+		.next_proto_id = IPPROTO_ESP,
+		.src_addr = lsa->src.ip.ip4,
+		.dst_addr = lsa->dst.ip.ip4,
+	};
+	struct ipv6_hdr v6 = {
+		.vtc_flow = htonl(IP6_VERSION << 28),
+		.proto = IPPROTO_ESP,
+	};
+
+	if (lsa->flags == IP6_TUNNEL) {
+		memcpy(v6.src_addr, lsa->src.ip.ip6.ip6_b, sizeof(v6.src_addr));
+		memcpy(v6.dst_addr, lsa->dst.ip.ip6.ip6_b, sizeof(v6.dst_addr));
+	}
+
+	rc = fill_ipsec_sa_prm(&prm, lsa, &v4, &v6);
+	if (rc == 0)
+		rc = rte_ipsec_sa_init(sa, &prm, sa_size);
+	if (rc < 0)
+		return rc;
+
+	fill_ipsec_session(&lsa->ips, sa, lsa);
+	return 0;
+}
+
+/*
+ * Allocate space and init rte_ipsec_sa strcutures,
+ * one per session.
+ */
+static int
+ipsec_satbl_init(struct sa_ctx *ctx, const struct ipsec_sa *ent,
+	uint32_t nb_ent, int32_t socket)
+{
+	int32_t rc, sz;
+	uint32_t i, idx;
+	size_t tsz;
+	struct rte_ipsec_sa *sa;
+	struct ipsec_sa *lsa;
+	struct rte_ipsec_sa_prm prm;
+
+	/* determine SA size */
+	idx = SPI2IDX(ent[0].spi);
+	fill_ipsec_sa_prm(&prm, ctx->sa + idx, NULL, NULL);
+	sz = rte_ipsec_sa_size(&prm);
+	if (sz < 0) {
+		RTE_LOG(ERR, IPSEC, "%s(%p, %u, %d): "
+			"failed to determine SA size, error code: %d\n",
+			__func__, ctx, nb_ent, socket, sz);
+		return sz;
+	}
+
+	tsz = sz * nb_ent;
+
+	ctx->satbl = rte_zmalloc_socket(NULL, tsz, RTE_CACHE_LINE_SIZE, socket);
+	if (ctx->satbl == NULL) {
+		RTE_LOG(ERR, IPSEC,
+			"%s(%p, %u, %d): failed to allocate %zu bytes\n",
+			__func__,  ctx, nb_ent, socket, tsz);
+		return -ENOMEM;
+	}
+
+	rc = 0;
+	for (i = 0; i != nb_ent && rc == 0; i++) {
+
+		idx = SPI2IDX(ent[i].spi);
+
+		sa = (struct rte_ipsec_sa *)((uintptr_t)ctx->satbl + sz * i);
+		lsa = ctx->sa + idx;
+
+		rc = ipsec_sa_init(lsa, sa, sz);
+	}
+
+	return rc;
+}
+
+/*
+ * Walk through all SA rules to find an SA with given SPI
+ */
+int
+sa_spi_present(uint32_t spi, int inbound)
+{
+	uint32_t i, num;
+	const struct ipsec_sa *sar;
+
+	if (inbound != 0) {
+		sar = sa_in;
+		num = nb_sa_in;
+	} else {
+		sar = sa_out;
+		num = nb_sa_out;
+	}
+
+	for (i = 0; i != num; i++) {
+		if (sar[i].spi == spi)
+			return i;
+	}
+
+	return -ENOENT;
+}
+
 void
 sa_init(struct socket_ctx *ctx, int32_t socket_id)
 {
+	int32_t rc;
 	const char *name;
 
 	if (ctx == NULL)
@@ -674,6 +1167,14 @@ sa_init(struct socket_ctx *ctx, int32_t socket_id)
 				name, socket_id);
 
 		sa_in_add_rules(ctx->sa_in, sa_in, nb_sa_in);
+
+		if (app_sa_prm.enable != 0) {
+			rc = ipsec_satbl_init(ctx->sa_in, sa_in, nb_sa_in,
+				socket_id);
+			if (rc != 0)
+				rte_exit(EXIT_FAILURE,
+					"failed to init inbound SAs\n");
+		}
 	} else
 		RTE_LOG(WARNING, IPSEC, "No SA Inbound rule specified\n");
 
@@ -686,6 +1187,14 @@ sa_init(struct socket_ctx *ctx, int32_t socket_id)
 				name, socket_id);
 
 		sa_out_add_rules(ctx->sa_out, sa_out, nb_sa_out);
+
+		if (app_sa_prm.enable != 0) {
+			rc = ipsec_satbl_init(ctx->sa_out, sa_out, nb_sa_out,
+				socket_id);
+			if (rc != 0)
+				rte_exit(EXIT_FAILURE,
+					"failed to init outbound SAs\n");
+		}
 	} else
 		RTE_LOG(WARNING, IPSEC, "No SA Outbound rule "
 			"specified\n");
@@ -695,17 +1204,22 @@ int
 inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx)
 {
 	struct ipsec_mbuf_metadata *priv;
+	struct ipsec_sa *sa;
 
-	priv = RTE_PTR_ADD(m, sizeof(struct rte_mbuf));
+	priv = get_priv(m);
+	sa = priv->sa;
+	if (sa != NULL)
+		return (sa_ctx->sa[sa_idx].spi == sa->spi);
 
-	return (sa_ctx->sa[sa_idx].spi == priv->sa->spi);
+	RTE_LOG(ERR, IPSEC, "SA not saved in private data\n");
+	return 0;
 }
 
 static inline void
 single_inbound_lookup(struct ipsec_sa *sadb, struct rte_mbuf *pkt,
 		struct ipsec_sa **sa_ret)
 {
-	struct esp_hdr *esp;
+	struct rte_esp_hdr *esp;
 	struct ip *ip;
 	uint32_t *src4_addr;
 	uint8_t *src6_addr;
@@ -715,9 +1229,9 @@ single_inbound_lookup(struct ipsec_sa *sadb, struct rte_mbuf *pkt,
 
 	ip = rte_pktmbuf_mtod(pkt, struct ip *);
 	if (ip->ip_v == IPVERSION)
-		esp = (struct esp_hdr *)(ip + 1);
+		esp = (struct rte_esp_hdr *)(ip + 1);
 	else
-		esp = (struct esp_hdr *)(((struct ip6_hdr *)ip) + 1);
+		esp = (struct rte_esp_hdr *)(((struct ip6_hdr *)ip) + 1);
 
 	if (esp->spi == INVALID_SPI)
 		return;
@@ -765,3 +1279,38 @@ outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
 	for (i = 0; i < nb_pkts; i++)
 		sa[i] = &sa_ctx->sa[sa_idx[i]];
 }
+
+/*
+ * Select HW offloads to be used.
+ */
+int
+sa_check_offloads(uint16_t port_id, uint64_t *rx_offloads,
+		uint64_t *tx_offloads)
+{
+	struct ipsec_sa *rule;
+	uint32_t idx_sa;
+
+	*rx_offloads = 0;
+	*tx_offloads = 0;
+
+	/* Check for inbound rules that use offloads and use this port */
+	for (idx_sa = 0; idx_sa < nb_sa_in; idx_sa++) {
+		rule = &sa_in[idx_sa];
+		if ((rule->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO ||
+				rule->type ==
+				RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL)
+				&& rule->portid == port_id)
+			*rx_offloads |= DEV_RX_OFFLOAD_SECURITY;
+	}
+
+	/* Check for outbound rules that use offloads and use this port */
+	for (idx_sa = 0; idx_sa < nb_sa_out; idx_sa++) {
+		rule = &sa_out[idx_sa];
+		if ((rule->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO ||
+				rule->type ==
+				RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL)
+				&& rule->portid == port_id)
+			*tx_offloads |= DEV_TX_OFFLOAD_SECURITY;
+	}
+	return 0;
+}