-/*-
- * 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 <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"
-/* SAs Outbound */
-const struct ipsec_sa sa_out[] = {
- {
- .spi = 5,
- .src.ip.ip4 = IPv4(172, 16, 1, 5),
- .dst.ip.ip4 = IPv4(172, 16, 2, 5),
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = IP4_TUNNEL
- },
- {
- .spi = 6,
- .src.ip.ip4 = IPv4(172, 16, 1, 6),
- .dst.ip.ip4 = IPv4(172, 16, 2, 6),
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = IP4_TUNNEL
- },
- {
- .spi = 10,
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = TRANSPORT
- },
+#define IPDEFTTL 64
+
+struct supported_cipher_algo {
+ const char *keyword;
+ enum rte_crypto_cipher_algorithm algo;
+ uint16_t iv_len;
+ uint16_t block_size;
+ uint16_t key_len;
+};
+
+struct supported_auth_algo {
+ const char *keyword;
+ enum rte_crypto_auth_algorithm algo;
+ uint16_t digest_len;
+ uint16_t key_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[] = {
{
- .spi = 11,
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = TRANSPORT
+ .keyword = "null",
+ .algo = RTE_CRYPTO_CIPHER_NULL,
+ .iv_len = 0,
+ .block_size = 4,
+ .key_len = 0
},
{
- .spi = 15,
- .src.ip.ip4 = IPv4(172, 16, 1, 5),
- .dst.ip.ip4 = IPv4(172, 16, 2, 5),
- .cipher_algo = RTE_CRYPTO_CIPHER_NULL,
- .auth_algo = RTE_CRYPTO_AUTH_NULL,
- .digest_len = 0,
- .iv_len = 0,
- .block_size = 4,
- .flags = IP4_TUNNEL
+ .keyword = "aes-128-cbc",
+ .algo = RTE_CRYPTO_CIPHER_AES_CBC,
+ .iv_len = 16,
+ .block_size = 16,
+ .key_len = 16
},
{
- .spi = 16,
- .src.ip.ip4 = IPv4(172, 16, 1, 6),
- .dst.ip.ip4 = IPv4(172, 16, 2, 6),
- .cipher_algo = RTE_CRYPTO_CIPHER_NULL,
- .auth_algo = RTE_CRYPTO_AUTH_NULL,
- .digest_len = 0,
- .iv_len = 0,
- .block_size = 4,
- .flags = IP4_TUNNEL
+ .keyword = "aes-256-cbc",
+ .algo = RTE_CRYPTO_CIPHER_AES_CBC,
+ .iv_len = 16,
+ .block_size = 16,
+ .key_len = 32
},
{
- .spi = 25,
- .src.ip.ip6.ip6_b = { 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
- 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x55, 0x55 },
- .dst.ip.ip6.ip6_b = { 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
- 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x55, 0x55 },
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = IP6_TUNNEL
+ .keyword = "aes-128-ctr",
+ .algo = RTE_CRYPTO_CIPHER_AES_CTR,
+ .iv_len = 8,
+ .block_size = 4,
+ .key_len = 20
},
{
- .spi = 26,
- .src.ip.ip6.ip6_b = { 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
- 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x66, 0x66 },
- .dst.ip.ip6.ip6_b = { 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
- 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x66, 0x66 },
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = IP6_TUNNEL
- },
+ .keyword = "3des-cbc",
+ .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
+ .iv_len = 8,
+ .block_size = 8,
+ .key_len = 24
+ }
};
-/* SAs Inbound */
-const struct ipsec_sa sa_in[] = {
- {
- .spi = 105,
- .src.ip.ip4 = IPv4(172, 16, 2, 5),
- .dst.ip.ip4 = IPv4(172, 16, 1, 5),
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = IP4_TUNNEL
- },
+const struct supported_auth_algo auth_algos[] = {
{
- .spi = 106,
- .src.ip.ip4 = IPv4(172, 16, 2, 6),
- .dst.ip.ip4 = IPv4(172, 16, 1, 6),
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = IP4_TUNNEL
+ .keyword = "null",
+ .algo = RTE_CRYPTO_AUTH_NULL,
+ .digest_len = 0,
+ .key_len = 0,
+ .key_not_req = 1
},
{
- .spi = 110,
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = TRANSPORT
+ .keyword = "sha1-hmac",
+ .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
+ .digest_len = 12,
+ .key_len = 20
},
{
- .spi = 111,
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = TRANSPORT
- },
- {
- .spi = 115,
- .src.ip.ip4 = IPv4(172, 16, 2, 5),
- .dst.ip.ip4 = IPv4(172, 16, 1, 5),
- .cipher_algo = RTE_CRYPTO_CIPHER_NULL,
- .auth_algo = RTE_CRYPTO_AUTH_NULL,
- .digest_len = 0,
- .iv_len = 0,
- .block_size = 4,
- .flags = IP4_TUNNEL
- },
- {
- .spi = 116,
- .src.ip.ip4 = IPv4(172, 16, 2, 6),
- .dst.ip.ip4 = IPv4(172, 16, 1, 6),
- .cipher_algo = RTE_CRYPTO_CIPHER_NULL,
- .auth_algo = RTE_CRYPTO_AUTH_NULL,
- .digest_len = 0,
- .iv_len = 0,
- .block_size = 4,
- .flags = IP4_TUNNEL
- },
- {
- .spi = 125,
- .src.ip.ip6.ip6_b = { 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
- 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x55, 0x55 },
- .dst.ip.ip6.ip6_b = { 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
- 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x55, 0x55 },
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = IP6_TUNNEL
- },
+ .keyword = "sha256-hmac",
+ .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
+ .digest_len = 12,
+ .key_len = 32
+ }
+};
+
+const struct supported_aead_algo aead_algos[] = {
{
- .spi = 126,
- .src.ip.ip6.ip6_b = { 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
- 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x66, 0x66 },
- .dst.ip.ip6.ip6_b = { 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
- 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x66, 0x66 },
- .cipher_algo = RTE_CRYPTO_CIPHER_AES_CBC,
- .auth_algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
- .digest_len = 12,
- .iv_len = 16,
- .block_size = 16,
- .flags = IP6_TUNNEL
- },
+ .keyword = "aes-128-gcm",
+ .algo = RTE_CRYPTO_AEAD_AES_GCM,
+ .iv_len = 8,
+ .block_size = 4,
+ .key_len = 20,
+ .digest_len = 16,
+ .aad_len = 8,
+ }
};
-static uint8_t cipher_key[256] = "sixteenbytes key";
+struct ipsec_sa sa_out[IPSEC_SA_MAX_ENTRIES];
+uint32_t nb_sa_out;
+
+struct ipsec_sa sa_in[IPSEC_SA_MAX_ENTRIES];
+uint32_t nb_sa_in;
+
+static const struct supported_cipher_algo *
+find_match_cipher_algo(const char *cipher_keyword)
+{
+ size_t i;
-/* AES CBC xform */
-const struct rte_crypto_sym_xform aescbc_enc_xf = {
- NULL,
- RTE_CRYPTO_SYM_XFORM_CIPHER,
- {.cipher = { RTE_CRYPTO_CIPHER_OP_ENCRYPT, RTE_CRYPTO_CIPHER_AES_CBC,
- .key = { cipher_key, 16 } }
+ for (i = 0; i < RTE_DIM(cipher_algos); i++) {
+ const struct supported_cipher_algo *algo =
+ &cipher_algos[i];
+
+ if (strcmp(cipher_keyword, algo->keyword) == 0)
+ return algo;
}
-};
-const struct rte_crypto_sym_xform aescbc_dec_xf = {
- NULL,
- RTE_CRYPTO_SYM_XFORM_CIPHER,
- {.cipher = { RTE_CRYPTO_CIPHER_OP_DECRYPT, RTE_CRYPTO_CIPHER_AES_CBC,
- .key = { cipher_key, 16 } }
+ return NULL;
+}
+
+static const struct supported_auth_algo *
+find_match_auth_algo(const char *auth_keyword)
+{
+ size_t i;
+
+ for (i = 0; i < RTE_DIM(auth_algos); i++) {
+ const struct supported_auth_algo *algo =
+ &auth_algos[i];
+
+ if (strcmp(auth_keyword, algo->keyword) == 0)
+ return algo;
}
-};
-static uint8_t auth_key[256] = "twentybytes hash key";
+ return NULL;
+}
-/* SHA1 HMAC xform */
-const struct rte_crypto_sym_xform sha1hmac_gen_xf = {
- NULL,
- RTE_CRYPTO_SYM_XFORM_AUTH,
- {.auth = { RTE_CRYPTO_AUTH_OP_GENERATE, RTE_CRYPTO_AUTH_SHA1_HMAC,
- .key = { auth_key, 20 }, 12, 0 }
+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;
}
-};
-const struct rte_crypto_sym_xform sha1hmac_verify_xf = {
- NULL,
- RTE_CRYPTO_SYM_XFORM_AUTH,
- {.auth = { RTE_CRYPTO_AUTH_OP_VERIFY, RTE_CRYPTO_AUTH_SHA1_HMAC,
- .key = { auth_key, 20 }, 12, 0 }
+ return NULL;
+}
+
+/** parse_key_string
+ * parse x:x:x:x.... hex number key string into uint8_t *key
+ * return:
+ * > 0: number of bytes parsed
+ * 0: failed
+ */
+static uint32_t
+parse_key_string(const char *key_str, uint8_t *key)
+{
+ const char *pt_start = key_str, *pt_end = key_str;
+ uint32_t nb_bytes = 0;
+
+ while (pt_end != NULL) {
+ char sub_str[3] = {0};
+
+ pt_end = strchr(pt_start, ':');
+
+ 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;
+
+ strncpy(sub_str, pt_start, pt_end - pt_start);
+ pt_start = pt_end + 1;
+ }
+
+ key[nb_bytes++] = strtol(sub_str, NULL, 16);
}
-};
-/* AES CBC xform */
-const struct rte_crypto_sym_xform null_cipher_xf = {
- NULL,
- RTE_CRYPTO_SYM_XFORM_CIPHER,
- {.cipher = { .algo = RTE_CRYPTO_CIPHER_NULL }
+ return nb_bytes;
+}
+
+void
+parse_sa_tokens(char **tokens, uint32_t n_tokens,
+ struct parse_status *status)
+{
+ struct ipsec_sa *rule = NULL;
+ uint32_t ti; /*token index*/
+ 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;
+
+ APP_CHECK(*ri <= IPSEC_SA_MAX_ENTRIES - 1, status,
+ "too many sa rules, abort insertion\n");
+ if (status->status < 0)
+ return;
+
+ rule = &sa_in[*ri];
+ } else {
+ ri = &nb_sa_out;
+
+ APP_CHECK(*ri <= IPSEC_SA_MAX_ENTRIES - 1, status,
+ "too many sa rules, abort insertion\n");
+ if (status->status < 0)
+ return;
+
+ rule = &sa_out[*ri];
}
-};
-const struct rte_crypto_sym_xform null_auth_xf = {
- NULL,
- RTE_CRYPTO_SYM_XFORM_AUTH,
- {.auth = { .algo = RTE_CRYPTO_AUTH_NULL }
+ /* spi number */
+ 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++) {
+ if (strcmp(tokens[ti], "mode") == 0) {
+ APP_CHECK_PRESENCE(mode_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], "ipv4-tunnel") == 0)
+ rule->flags = IP4_TUNNEL;
+ else if (strcmp(tokens[ti], "ipv6-tunnel") == 0)
+ rule->flags = IP6_TUNNEL;
+ else if (strcmp(tokens[ti], "transport") == 0)
+ rule->flags = TRANSPORT;
+ else {
+ APP_CHECK(0, status, "unrecognized "
+ "input \"%s\"", tokens[ti]);
+ return;
+ }
+
+ mode_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "cipher_algo") == 0) {
+ const struct supported_cipher_algo *algo;
+ uint32_t key_len;
+
+ APP_CHECK_PRESENCE(cipher_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_cipher_algo(tokens[ti]);
+
+ APP_CHECK(algo != NULL, status, "unrecognized "
+ "input \"%s\"", tokens[ti]);
+
+ rule->cipher_algo = algo->algo;
+ rule->block_size = algo->block_size;
+ rule->iv_len = algo->iv_len;
+ rule->cipher_key_len = algo->key_len;
+
+ /* for NULL algorithm, no cipher key required */
+ if (rule->cipher_algo == RTE_CRYPTO_CIPHER_NULL) {
+ cipher_algo_p = 1;
+ continue;
+ }
+
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+
+ APP_CHECK(strcmp(tokens[ti], "cipher_key") == 0,
+ status, "unrecognized input \"%s\", "
+ "expect \"cipher_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;
+
+ 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;
+ }
+
+ if (strcmp(tokens[ti], "auth_algo") == 0) {
+ const struct supported_auth_algo *algo;
+ uint32_t key_len;
+
+ APP_CHECK_PRESENCE(auth_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_auth_algo(tokens[ti]);
+ APP_CHECK(algo != NULL, status, "unrecognized "
+ "input \"%s\"", tokens[ti]);
+
+ rule->auth_algo = algo->algo;
+ rule->auth_key_len = algo->key_len;
+ rule->digest_len = algo->digest_len;
+
+ /* NULL algorithm and combined algos do not
+ * require auth key
+ */
+ if (algo->key_not_req) {
+ auth_algo_p = 1;
+ continue;
+ }
+
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+
+ APP_CHECK(strcmp(tokens[ti], "auth_key") == 0,
+ status, "unrecognized input \"%s\", "
+ "expect \"auth_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->auth_key);
+ APP_CHECK(key_len == rule->auth_key_len, status,
+ "unrecognized input \"%s\"", tokens[ti]);
+ if (status->status < 0)
+ return;
+
+ auth_algo_p = 1;
+ 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)
+ return;
+
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+
+ if (rule->flags == IP4_TUNNEL) {
+ struct in_addr ip;
+
+ APP_CHECK(parse_ipv4_addr(tokens[ti],
+ &ip, NULL) == 0, status,
+ "unrecognized input \"%s\", "
+ "expect valid ipv4 addr",
+ tokens[ti]);
+ if (status->status < 0)
+ return;
+ rule->src.ip.ip4 = rte_bswap32(
+ (uint32_t)ip.s_addr);
+ } else if (rule->flags == IP6_TUNNEL) {
+ struct in6_addr ip;
+
+ APP_CHECK(parse_ipv6_addr(tokens[ti], &ip,
+ NULL) == 0, status,
+ "unrecognized input \"%s\", "
+ "expect valid ipv6 addr",
+ tokens[ti]);
+ if (status->status < 0)
+ return;
+ memcpy(rule->src.ip.ip6.ip6_b,
+ ip.s6_addr, 16);
+ } else if (rule->flags == TRANSPORT) {
+ APP_CHECK(0, status, "unrecognized input "
+ "\"%s\"", tokens[ti]);
+ return;
+ }
+
+ src_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "dst") == 0) {
+ APP_CHECK_PRESENCE(dst_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+
+ if (rule->flags == IP4_TUNNEL) {
+ struct in_addr ip;
+
+ APP_CHECK(parse_ipv4_addr(tokens[ti],
+ &ip, NULL) == 0, status,
+ "unrecognized input \"%s\", "
+ "expect valid ipv4 addr",
+ tokens[ti]);
+ if (status->status < 0)
+ return;
+ rule->dst.ip.ip4 = rte_bswap32(
+ (uint32_t)ip.s_addr);
+ } else if (rule->flags == IP6_TUNNEL) {
+ struct in6_addr ip;
+
+ APP_CHECK(parse_ipv6_addr(tokens[ti], &ip,
+ NULL) == 0, status,
+ "unrecognized input \"%s\", "
+ "expect valid ipv6 addr",
+ tokens[ti]);
+ if (status->status < 0)
+ return;
+ memcpy(rule->dst.ip.ip6.ip6_b, ip.s6_addr, 16);
+ } else if (rule->flags == TRANSPORT) {
+ APP_CHECK(0, status, "unrecognized "
+ "input \"%s\"", tokens[ti]);
+ return;
+ }
+
+ dst_p = 1;
+ 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;
}
-};
+
+ 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 == 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
+print_one_sa_rule(const struct ipsec_sa *sa, int inbound)
+{
+ uint32_t i;
+ uint8_t a, b, c, d;
+
+ 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 &&
+ cipher_algos[i].key_len == sa->cipher_key_len) {
+ printf("%s ", cipher_algos[i].keyword);
+ break;
+ }
+ }
+
+ for (i = 0; i < RTE_DIM(auth_algos); i++) {
+ if (auth_algos[i].algo == sa->auth_algo) {
+ printf("%s ", auth_algos[i].keyword);
+ break;
+ }
+ }
+
+ 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) {
+ case IP4_TUNNEL:
+ printf("IP4Tunnel ");
+ uint32_t_to_char(sa->src.ip.ip4, &a, &b, &c, &d);
+ printf("%hhu.%hhu.%hhu.%hhu ", d, c, b, a);
+ uint32_t_to_char(sa->dst.ip.ip4, &a, &b, &c, &d);
+ printf("%hhu.%hhu.%hhu.%hhu", d, c, b, a);
+ break;
+ case IP6_TUNNEL:
+ printf("IP6Tunnel ");
+ for (i = 0; i < 16; i++) {
+ if (i % 2 && i != 15)
+ printf("%.2x:", sa->src.ip.ip6.ip6_b[i]);
+ else
+ printf("%.2x", sa->src.ip.ip6.ip6_b[i]);
+ }
+ printf(" ");
+ for (i = 0; i < 16; i++) {
+ if (i % 2 && i != 15)
+ printf("%.2x:", sa->dst.ip.ip6.ip6_b[i]);
+ else
+ printf("%.2x", sa->dst.ip.ip6.ip6_b[i]);
+ }
+ break;
+ case TRANSPORT:
+ printf("Transport");
+ 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];
};
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);
*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) {
- if (sa->cipher_algo == RTE_CRYPTO_CIPHER_NULL) {
- sa_ctx->xf[idx].a = null_auth_xf;
- sa_ctx->xf[idx].b = null_cipher_xf;
- } else {
- sa_ctx->xf[idx].a = sha1hmac_verify_xf;
- sa_ctx->xf[idx].b = aescbc_dec_xf;
+ if (sa->aead_algo == RTE_CRYPTO_AEAD_AES_GCM) {
+ iv_length = 16;
+
+ 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.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].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->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;
}
- } else { /* outbound */
- if (sa->cipher_algo == RTE_CRYPTO_CIPHER_NULL) {
- sa_ctx->xf[idx].a = null_cipher_xf;
- sa_ctx->xf[idx].b = null_auth_xf;
- } else {
- sa_ctx->xf[idx].a = aescbc_enc_xf;
- sa_ctx->xf[idx].b = sha1hmac_gen_xf;
+
+ 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);
}
- 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;
}
return 0;
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;
+}
+
void
-sa_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t ep)
+sa_init(struct socket_ctx *ctx, int32_t socket_id)
{
- const struct ipsec_sa *sa_out_entries, *sa_in_entries;
- uint32_t nb_out_entries, nb_in_entries;
+ int32_t rc;
const char *name;
if (ctx == NULL)
rte_exit(EXIT_FAILURE, "Outbound SA DB for socket %u already "
"initialized\n", socket_id);
- if (ep == 0) {
- sa_out_entries = sa_out;
- nb_out_entries = RTE_DIM(sa_out);
- sa_in_entries = sa_in;
- nb_in_entries = RTE_DIM(sa_in);
- } else if (ep == 1) {
- sa_out_entries = sa_in;
- nb_out_entries = RTE_DIM(sa_in);
- sa_in_entries = sa_out;
- nb_in_entries = RTE_DIM(sa_out);
- } else
- rte_exit(EXIT_FAILURE, "Invalid EP value %u. "
- "Only 0 or 1 supported.\n", ep);
+ if (nb_sa_in > 0) {
+ name = "sa_in";
+ ctx->sa_in = sa_create(name, socket_id);
+ if (ctx->sa_in == NULL)
+ rte_exit(EXIT_FAILURE, "Error [%d] creating SA "
+ "context %s in socket %d\n", rte_errno,
+ name, socket_id);
+
+ sa_in_add_rules(ctx->sa_in, sa_in, nb_sa_in);
- name = "sa_in";
- ctx->sa_in = sa_create(name, socket_id);
- if (ctx->sa_in == NULL)
- rte_exit(EXIT_FAILURE, "Error [%d] creating SA context %s "
- "in socket %d\n", rte_errno, name, socket_id);
+ 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");
- name = "sa_out";
- ctx->sa_out = sa_create(name, socket_id);
- if (ctx->sa_out == NULL)
- rte_exit(EXIT_FAILURE, "Error [%d] creating SA context %s "
- "in socket %d\n", rte_errno, name, socket_id);
+ if (nb_sa_out > 0) {
+ name = "sa_out";
+ ctx->sa_out = sa_create(name, socket_id);
+ if (ctx->sa_out == NULL)
+ rte_exit(EXIT_FAILURE, "Error [%d] creating SA "
+ "context %s in socket %d\n", rte_errno,
+ name, socket_id);
- sa_in_add_rules(ctx->sa_in, sa_in_entries, nb_in_entries);
+ sa_out_add_rules(ctx->sa_out, sa_out, nb_sa_out);
- sa_out_add_rules(ctx->sa_out, sa_out_entries, nb_out_entries);
+ 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");
}
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
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;
+}