-/*-
- * 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) 2016-2020 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"
+#include "sad.h"
+
+#define IPDEFTTL 64
+
+#define IP4_FULL_MASK (sizeof(((struct ip_addr *)NULL)->ip.ip4) * CHAR_BIT)
+
+#define IP6_FULL_MASK (sizeof(((struct ip_addr *)NULL)->ip.ip6.ip6) * CHAR_BIT)
+
+#define MBUF_NO_SEC_OFFLOAD(m) ((m->ol_flags & PKT_RX_SEC_OFFLOAD) == 0)
struct supported_cipher_algo {
const char *keyword;
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",
.key_len = 16
},
{
- .keyword = "aes-128-gcm",
- .algo = RTE_CRYPTO_CIPHER_AES_GCM,
- .iv_len = 8,
- .block_size = 4,
- .key_len = 16
+ .keyword = "aes-192-cbc",
+ .algo = RTE_CRYPTO_CIPHER_AES_CBC,
+ .iv_len = 16,
+ .block_size = 16,
+ .key_len = 24
+ },
+ {
+ .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 = 16, /* XXX AESNI MB limition, should be 4 */
- .key_len = 16
+ .block_size = 4,
+ .key_len = 20
+ },
+ {
+ .keyword = "3des-cbc",
+ .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
+ .iv_len = 8,
+ .block_size = 8,
+ .key_len = 24
}
};
.digest_len = 12,
.key_len = 20
},
+ {
+ .keyword = "sha256-hmac",
+ .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
+ .digest_len = 16,
+ .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,
+ .aad_len = 8,
+ },
+ {
+ .keyword = "aes-192-gcm",
+ .algo = RTE_CRYPTO_AEAD_AES_GCM,
+ .iv_len = 8,
+ .block_size = 4,
+ .key_len = 28,
+ .digest_len = 16,
+ .aad_len = 8,
+ },
+ {
+ .keyword = "aes-256-gcm",
+ .algo = RTE_CRYPTO_AEAD_AES_GCM,
+ .iv_len = 8,
+ .block_size = 4,
+ .key_len = 36,
.digest_len = 16,
- .key_len = 16,
.aad_len = 8,
- .key_not_req = 1
}
};
-struct ipsec_sa sa_out[IPSEC_SA_MAX_ENTRIES];
+#define SA_INIT_NB 128
+
+static uint32_t nb_crypto_sessions;
+struct ipsec_sa *sa_out;
uint32_t nb_sa_out;
+static uint32_t sa_out_sz;
+static struct ipsec_sa_cnt sa_out_cnt;
-struct ipsec_sa sa_in[IPSEC_SA_MAX_ENTRIES];
+struct ipsec_sa *sa_in;
uint32_t nb_sa_in;
+static uint32_t sa_in_sz;
+static struct ipsec_sa_cnt sa_in_cnt;
static const struct supported_cipher_algo *
find_match_cipher_algo(const char *cipher_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:
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;
return nb_bytes;
}
+static int
+extend_sa_arr(struct ipsec_sa **sa_tbl, uint32_t cur_cnt, uint32_t *cur_sz)
+{
+ if (*sa_tbl == NULL) {
+ *sa_tbl = calloc(SA_INIT_NB, sizeof(struct ipsec_sa));
+ if (*sa_tbl == NULL)
+ return -1;
+ *cur_sz = SA_INIT_NB;
+ return 0;
+ }
+
+ if (cur_cnt >= *cur_sz) {
+ *sa_tbl = realloc(*sa_tbl,
+ *cur_sz * sizeof(struct ipsec_sa) * 2);
+ if (*sa_tbl == NULL)
+ return -1;
+ /* clean reallocated extra space */
+ memset(&(*sa_tbl)[*cur_sz], 0,
+ *cur_sz * sizeof(struct ipsec_sa));
+ *cur_sz *= 2;
+ }
+
+ return 0;
+}
+
void
parse_sa_tokens(char **tokens, uint32_t n_tokens,
struct parse_status *status)
{
struct ipsec_sa *rule = NULL;
+ struct rte_ipsec_session *ips;
uint32_t ti; /*token index*/
uint32_t *ri /*rule index*/;
+ struct ipsec_sa_cnt *sa_cnt;
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;
+ uint32_t fallback_p = 0;
+ int16_t status_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)
+ sa_cnt = &sa_in_cnt;
+ if (extend_sa_arr(&sa_in, nb_sa_in, &sa_in_sz) < 0)
return;
-
rule = &sa_in[*ri];
+ rule->direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS;
} 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)
+ sa_cnt = &sa_out_cnt;
+ if (extend_sa_arr(&sa_out, nb_sa_out, &sa_out_sz) < 0)
return;
-
rule = &sa_out[*ri];
+ rule->direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
}
/* 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]);
+ rule->portid = UINT16_MAX;
+ ips = ipsec_get_primary_session(rule);
for (ti = 2; ti < n_tokens; ti++) {
if (strcmp(tokens[ti], "mode") == 0) {
if (status->status < 0)
return;
- if (strcmp(tokens[ti], "ipv4-tunnel") == 0)
+ if (strcmp(tokens[ti], "ipv4-tunnel") == 0) {
+ sa_cnt->nb_v4++;
rule->flags = IP4_TUNNEL;
- else if (strcmp(tokens[ti], "ipv6-tunnel") == 0)
+ } else if (strcmp(tokens[ti], "ipv6-tunnel") == 0) {
+ sa_cnt->nb_v6++;
rule->flags = IP6_TUNNEL;
- else if (strcmp(tokens[ti], "transport") == 0)
+ } else if (strcmp(tokens[ti], "transport") == 0) {
+ sa_cnt->nb_v4++;
+ sa_cnt->nb_v6++;
rule->flags = TRANSPORT;
- else {
+ } else {
APP_CHECK(0, status, "unrecognized "
"input \"%s\"", tokens[ti]);
return;
APP_CHECK(algo != NULL, status, "unrecognized "
"input \"%s\"", tokens[ti]);
+ if (status->status < 0)
+ return;
+
rule->cipher_algo = algo->algo;
rule->block_size = algo->block_size;
rule->iv_len = algo->iv_len;
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;
}
APP_CHECK(algo != NULL, status, "unrecognized "
"input \"%s\"", tokens[ti]);
+ if (status->status < 0)
+ return;
+
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
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]);
+
+ if (status->status < 0)
+ return;
+
+ 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)
if (status->status < 0)
return;
- if (rule->flags == IP4_TUNNEL) {
+ if (IS_IP4_TUNNEL(rule->flags)) {
struct in_addr ip;
APP_CHECK(parse_ipv4_addr(tokens[ti],
return;
rule->src.ip.ip4 = rte_bswap32(
(uint32_t)ip.s_addr);
- } else if (rule->flags == IP6_TUNNEL) {
+ } else if (IS_IP6_TUNNEL(rule->flags)) {
struct in6_addr ip;
APP_CHECK(parse_ipv6_addr(tokens[ti], &ip,
return;
memcpy(rule->src.ip.ip6.ip6_b,
ip.s6_addr, 16);
- } else if (rule->flags == TRANSPORT) {
+ } else if (IS_TRANSPORT(rule->flags)) {
APP_CHECK(0, status, "unrecognized input "
"\"%s\"", tokens[ti]);
return;
if (status->status < 0)
return;
- if (rule->flags == IP4_TUNNEL) {
+ if (IS_IP4_TUNNEL(rule->flags)) {
struct in_addr ip;
APP_CHECK(parse_ipv4_addr(tokens[ti],
return;
rule->dst.ip.ip4 = rte_bswap32(
(uint32_t)ip.s_addr);
- } else if (rule->flags == IP6_TUNNEL) {
+ } else if (IS_IP6_TUNNEL(rule->flags)) {
struct in6_addr ip;
APP_CHECK(parse_ipv6_addr(tokens[ti], &ip,
if (status->status < 0)
return;
memcpy(rule->dst.ip.ip6.ip6_b, ip.s6_addr, 16);
- } else if (rule->flags == TRANSPORT) {
+ } else if (IS_TRANSPORT(rule->flags)) {
APP_CHECK(0, status, "unrecognized "
"input \"%s\"", tokens[ti]);
return;
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)
+ ips->type =
+ RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO;
+ else if (strcmp(tokens[ti],
+ "inline-protocol-offload") == 0)
+ ips->type =
+ RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL;
+ else if (strcmp(tokens[ti],
+ "lookaside-protocol-offload") == 0)
+ ips->type =
+ RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL;
+ else if (strcmp(tokens[ti], "no-offload") == 0)
+ ips->type = RTE_SECURITY_ACTION_TYPE_NONE;
+ else if (strcmp(tokens[ti], "cpu-crypto") == 0)
+ ips->type = RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO;
+ 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;
+ if (rule->portid == UINT16_MAX)
+ rule->portid = atoi(tokens[ti]);
+ else if (rule->portid != atoi(tokens[ti])) {
+ APP_CHECK(0, status,
+ "portid %s not matching with already assigned portid %u",
+ tokens[ti], rule->portid);
+ return;
+ }
+ portid_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "fallback") == 0) {
+ struct rte_ipsec_session *fb;
+
+ APP_CHECK(app_sa_prm.enable, status, "Fallback session "
+ "not allowed for legacy mode.");
+ if (status->status < 0)
+ return;
+ APP_CHECK(ips->type ==
+ RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO, status,
+ "Fallback session allowed if primary session "
+ "is of type inline-crypto-offload only.");
+ if (status->status < 0)
+ return;
+ APP_CHECK(rule->direction ==
+ RTE_SECURITY_IPSEC_SA_DIR_INGRESS, status,
+ "Fallback session not allowed for egress "
+ "rule");
+ if (status->status < 0)
+ return;
+ APP_CHECK_PRESENCE(fallback_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+ fb = ipsec_get_fallback_session(rule);
+ if (strcmp(tokens[ti], "lookaside-none") == 0)
+ fb->type = RTE_SECURITY_ACTION_TYPE_NONE;
+ else if (strcmp(tokens[ti], "cpu-crypto") == 0)
+ fb->type = RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO;
+ else {
+ APP_CHECK(0, status, "unrecognized fallback "
+ "type %s.", tokens[ti]);
+ return;
+ }
+
+ rule->fallback_sessions = 1;
+ nb_crypto_sessions++;
+ fallback_p = 1;
+ continue;
+ }
+ if (strcmp(tokens[ti], "flow-direction") == 0) {
+ switch (ips->type) {
+ case RTE_SECURITY_ACTION_TYPE_NONE:
+ case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO:
+ rule->fdir_flag = 1;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+ if (rule->portid == UINT16_MAX)
+ rule->portid = atoi(tokens[ti]);
+ else if (rule->portid != atoi(tokens[ti])) {
+ APP_CHECK(0, status,
+ "portid %s not matching with already assigned portid %u",
+ tokens[ti], rule->portid);
+ return;
+ }
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+ rule->fdir_qid = atoi(tokens[ti]);
+ /* validating portid and queueid */
+ status_p = check_flow_params(rule->portid,
+ rule->fdir_qid);
+ if (status_p < 0) {
+ printf("port id %u / queue id %u is "
+ "not valid\n", rule->portid,
+ rule->fdir_qid);
+ }
+ break;
+ case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO:
+ case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL:
+ case RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL:
+ default:
+ APP_CHECK(0, status,
+ "flow director not supported for security session type %d",
+ ips->type);
+ return;
+ }
+ 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 ((ips->type != RTE_SECURITY_ACTION_TYPE_NONE && ips->type !=
+ RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) && (portid_p == 0))
+ printf("Missing portid option, falling back to non-offload\n");
+
+ if (!type_p || (!portid_p && ips->type !=
+ RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO)) {
+ ips->type = RTE_SECURITY_ACTION_TYPE_NONE;
+ }
+
+ nb_crypto_sessions++;
*ri = *ri + 1;
}
-static inline void
+static void
print_one_sa_rule(const struct ipsec_sa *sa, int inbound)
{
uint32_t i;
uint8_t a, b, c, d;
+ const struct rte_ipsec_session *ips;
+ const struct rte_ipsec_session *fallback_ips;
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;
}
}
}
+ for (i = 0; i < RTE_DIM(aead_algos); i++) {
+ if (aead_algos[i].algo == sa->aead_algo &&
+ aead_algos[i].key_len-4 == sa->cipher_key_len) {
+ printf("%s ", aead_algos[i].keyword);
+ break;
+ }
+ }
+
printf("mode:");
- switch (sa->flags) {
+ switch (WITHOUT_TRANSPORT_VERSION(sa->flags)) {
case IP4_TUNNEL:
printf("IP4Tunnel ");
uint32_t_to_char(sa->src.ip.ip4, &a, &b, &c, &d);
}
break;
case TRANSPORT:
- printf("Transport");
+ printf("Transport ");
break;
}
+
+ ips = &sa->sessions[IPSEC_SESSION_PRIMARY];
+ printf(" type:");
+ switch (ips->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;
+ case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO:
+ printf("cpu-crypto-accelerated ");
+ break;
+ }
+
+ fallback_ips = &sa->sessions[IPSEC_SESSION_FALLBACK];
+ if (fallback_ips != NULL && sa->fallback_sessions > 0) {
+ printf("inline fallback: ");
+ switch (fallback_ips->type) {
+ case RTE_SECURITY_ACTION_TYPE_NONE:
+ printf("lookaside-none");
+ break;
+ case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO:
+ printf("cpu-crypto-accelerated");
+ break;
+ default:
+ printf("invalid");
+ break;
+ }
+ }
+ if (sa->fdir_flag == 1)
+ printf("flow-direction port %d queue %d", sa->portid,
+ sa->fdir_qid);
+
printf("\n");
}
-struct sa_ctx {
- struct ipsec_sa sa[IPSEC_SA_MAX_ENTRIES];
- struct {
- struct rte_crypto_sym_xform a;
- struct rte_crypto_sym_xform b;
- } xf[IPSEC_SA_MAX_ENTRIES];
-};
-
static struct sa_ctx *
-sa_create(const char *name, int32_t socket_id)
+sa_create(const char *name, int32_t socket_id, uint32_t nb_sa)
{
char s[PATH_MAX];
struct sa_ctx *sa_ctx;
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);
+ /* Create SA context */
+ printf("Creating SA context with %u maximum entries on socket %d\n",
+ nb_sa, socket_id);
- mz_size = sizeof(struct sa_ctx);
+ mz_size = sizeof(struct ipsec_xf) * nb_sa;
mz = rte_memzone_reserve(s, mz_size, socket_id,
RTE_MEMZONE_1GB | RTE_MEMZONE_SIZE_HINT_ONLY);
if (mz == NULL) {
- printf("Failed to allocate SA DB memory\n");
- rte_errno = -ENOMEM;
+ printf("Failed to allocate SA XFORM memory\n");
+ rte_errno = ENOMEM;
return NULL;
}
- sa_ctx = (struct sa_ctx *)mz->addr;
+ sa_ctx = rte_zmalloc(NULL, sizeof(struct sa_ctx) +
+ sizeof(struct ipsec_sa) * nb_sa, RTE_CACHE_LINE_SIZE);
+
+ if (sa_ctx == NULL) {
+ printf("Failed to allocate SA CTX memory\n");
+ rte_errno = ENOMEM;
+ rte_memzone_free(mz);
+ return NULL;
+ }
+
+ sa_ctx->xf = (struct ipsec_xf *)mz->addr;
+ sa_ctx->nb_sa = nb_sa;
return sa_ctx;
}
+static int
+check_eth_dev_caps(uint16_t portid, uint32_t inbound)
+{
+ struct rte_eth_dev_info dev_info;
+ int retval;
+
+ retval = rte_eth_dev_info_get(portid, &dev_info);
+ if (retval != 0) {
+ RTE_LOG(ERR, IPSEC,
+ "Error during getting device (port %u) info: %s\n",
+ portid, strerror(-retval));
+
+ return retval;
+ }
+
+ 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;
+}
+
+/*
+ * 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,
+ struct ip_addr ip_addr[2], uint32_t mask[2])
+{
+ int32_t rc4, rc6;
+
+ rc4 = sp4_spi_present(spi, dir == RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
+ ip_addr, mask);
+ rc6 = sp6_spi_present(spi, dir == RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
+ ip_addr, mask);
+
+ 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;
+}
+
+/*
+ * Helper function for getting source and destination IP addresses
+ * from SP. Needed for inline crypto transport mode, as addresses are not
+ * provided in config file for that mode. It checks if SP for current SA exists,
+ * and based on what type of protocol is returned, it stores appropriate
+ * addresses got from SP into SA.
+ */
+static int
+sa_add_address_inline_crypto(struct ipsec_sa *sa)
+{
+ int protocol;
+ struct ip_addr ip_addr[2];
+ uint32_t mask[2];
+
+ protocol = get_spi_proto(sa->spi, sa->direction, ip_addr, mask);
+ if (protocol < 0)
+ return protocol;
+ else if (protocol == IPPROTO_IPIP) {
+ sa->flags |= IP4_TRANSPORT;
+ if (mask[0] == IP4_FULL_MASK &&
+ mask[1] == IP4_FULL_MASK &&
+ ip_addr[0].ip.ip4 != 0 &&
+ ip_addr[1].ip.ip4 != 0) {
+
+ sa->src.ip.ip4 = ip_addr[0].ip.ip4;
+ sa->dst.ip.ip4 = ip_addr[1].ip.ip4;
+ } else {
+ RTE_LOG(ERR, IPSEC,
+ "%s: No valid address or mask entry in"
+ " IPv4 SP rule for SPI %u\n",
+ __func__, sa->spi);
+ return -EINVAL;
+ }
+ } else if (protocol == IPPROTO_IPV6) {
+ sa->flags |= IP6_TRANSPORT;
+ if (mask[0] == IP6_FULL_MASK &&
+ mask[1] == IP6_FULL_MASK &&
+ (ip_addr[0].ip.ip6.ip6[0] != 0 ||
+ ip_addr[0].ip.ip6.ip6[1] != 0) &&
+ (ip_addr[1].ip.ip6.ip6[0] != 0 ||
+ ip_addr[1].ip.ip6.ip6[1] != 0)) {
+
+ sa->src.ip.ip6 = ip_addr[0].ip.ip6;
+ sa->dst.ip.ip6 = ip_addr[1].ip.ip6;
+ } else {
+ RTE_LOG(ERR, IPSEC,
+ "%s: No valid address or mask entry in"
+ " IPv6 SP rule for SPI %u\n",
+ __func__, sa->spi);
+ 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)
+ uint32_t nb_entries, uint32_t inbound,
+ struct socket_ctx *skt_ctx)
{
struct ipsec_sa *sa;
uint32_t i, idx;
+ uint16_t iv_length, aad_length;
+ int inline_status;
+ int32_t rc;
+ struct rte_ipsec_session *ips;
+
+ /* 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);
+ idx = i;
sa = &sa_ctx->sa[idx];
if (sa->spi != 0) {
printf("Index %u already in use by SPI %u\n",
return -EINVAL;
}
*sa = entries[i];
+
+ if (inbound) {
+ rc = ipsec_sad_add(&sa_ctx->sad, sa);
+ if (rc != 0)
+ return rc;
+ }
+
sa->seq = 0;
+ ips = ipsec_get_primary_session(sa);
+
+ if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL ||
+ ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
+ if (check_eth_dev_caps(sa->portid, inbound))
+ return -EINVAL;
+ }
- switch (sa->flags) {
+ switch (WITHOUT_TRANSPORT_VERSION(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);
+ break;
+ case TRANSPORT:
+ if (ips->type ==
+ RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
+ inline_status =
+ sa_add_address_inline_crypto(sa);
+ if (inline_status < 0)
+ return inline_status;
+ }
+ break;
}
- 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 = 12;
- 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->xforms = &sa_ctx->xf[idx].a;
+ } 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;
}
- 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;
+ if (ips->type ==
+ RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL ||
+ ips->type ==
+ RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
+ rc = create_inline_session(skt_ctx, sa, ips);
+ if (rc != 0) {
+ RTE_LOG(ERR, IPSEC_ESP,
+ "create_inline_session() failed\n");
+ return -EINVAL;
+ }
+ }
+ if (sa->fdir_flag && inbound) {
+ rc = create_ipsec_esp_flow(sa);
+ if (rc != 0)
+ RTE_LOG(ERR, IPSEC_ESP,
+ "create_ipsec_esp_flow() failed\n");
+ }
print_one_sa_rule(sa, inbound);
}
static inline int
sa_out_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
- uint32_t nb_entries)
+ uint32_t nb_entries, struct socket_ctx *skt_ctx)
{
- return sa_add_rules(sa_ctx, entries, nb_entries, 0);
+ return sa_add_rules(sa_ctx, entries, nb_entries, 0, skt_ctx);
}
static inline int
sa_in_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
- uint32_t nb_entries)
+ uint32_t nb_entries, struct socket_ctx *skt_ctx)
+{
+ return sa_add_rules(sa_ctx, entries, nb_entries, 1, skt_ctx);
+}
+
+/*
+ * 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)
{
- return sa_add_rules(sa_ctx, entries, nb_entries, 1);
+ memset(prm, 0, sizeof(*prm));
+
+ prm->flags = app_prm->flags;
+ prm->ipsec_xform.options.esn = app_prm->enable_esn;
+ prm->ipsec_xform.replay_win_sz = app_prm->window_size;
+}
+
+static int
+fill_ipsec_sa_prm(struct rte_ipsec_sa_prm *prm, const struct ipsec_sa *ss,
+ const struct rte_ipv4_hdr *v4, struct rte_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, NULL, NULL);
+ 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 = (IS_TRANSPORT(ss->flags)) ?
+ RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT :
+ RTE_SECURITY_IPSEC_SA_MODE_TUNNEL;
+ prm->ipsec_xform.options.ecn = 1;
+ prm->ipsec_xform.options.copy_dscp = 1;
+
+ if (IS_IP4_TUNNEL(ss->flags)) {
+ 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 (IS_IP6_TUNNEL(ss->flags)) {
+ 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 int
+fill_ipsec_session(struct rte_ipsec_session *ss, struct rte_ipsec_sa *sa)
+{
+ int32_t rc = 0;
+
+ ss->sa = sa;
+
+ if (ss->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO ||
+ ss->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) {
+ if (ss->security.ses != NULL) {
+ rc = rte_ipsec_session_prepare(ss);
+ if (rc != 0)
+ memset(ss, 0, sizeof(*ss));
+ }
+ }
+
+ return rc;
+}
+
+/*
+ * 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 rte_ipsec_session *ips;
+ struct rte_ipv4_hdr v4 = {
+ .version_ihl = IPVERSION << 4 |
+ sizeof(v4) / RTE_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 rte_ipv6_hdr v6 = {
+ .vtc_flow = htonl(IP6_VERSION << 28),
+ .proto = IPPROTO_ESP,
+ };
+
+ if (IS_IP6_TUNNEL(lsa->flags)) {
+ 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;
+
+ /* init primary processing session */
+ ips = ipsec_get_primary_session(lsa);
+ rc = fill_ipsec_session(ips, sa);
+ if (rc != 0)
+ return rc;
+
+ /* init inline fallback processing session */
+ if (lsa->fallback_sessions == 1)
+ rc = fill_ipsec_session(ipsec_get_fallback_session(lsa), sa);
+
+ return rc;
+}
+
+/*
+ * Allocate space and init rte_ipsec_sa strcutures,
+ * one per session.
+ */
+static int
+ipsec_satbl_init(struct sa_ctx *ctx, 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 = 0;
+ 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 = i;
+
+ sa = (struct rte_ipsec_sa *)((uintptr_t)ctx->satbl + sz * i);
+ lsa = ctx->sa + idx;
+
+ rc = ipsec_sa_init(lsa, sa, sz);
+ }
+
+ return rc;
+}
+
+static int
+sa_cmp(const void *p, const void *q)
+{
+ uint32_t spi1 = ((const struct ipsec_sa *)p)->spi;
+ uint32_t spi2 = ((const struct ipsec_sa *)q)->spi;
+
+ return (int)(spi1 - spi2);
+}
+
+/*
+ * Walk through all SA rules to find an SA with given SPI
+ */
+int
+sa_spi_present(struct sa_ctx *sa_ctx, uint32_t spi, int inbound)
+{
+ uint32_t num;
+ struct ipsec_sa *sa;
+ struct ipsec_sa tmpl;
+ const struct ipsec_sa *sar;
+
+ sar = sa_ctx->sa;
+ if (inbound != 0)
+ num = nb_sa_in;
+ else
+ num = nb_sa_out;
+
+ tmpl.spi = spi;
+
+ sa = bsearch(&tmpl, sar, num, sizeof(struct ipsec_sa), sa_cmp);
+ if (sa != NULL)
+ return RTE_PTR_DIFF(sa, sar) / sizeof(struct ipsec_sa);
+
+ return -ENOENT;
}
void
sa_init(struct socket_ctx *ctx, int32_t socket_id)
{
+ int32_t rc;
const char *name;
if (ctx == NULL)
if (nb_sa_in > 0) {
name = "sa_in";
- ctx->sa_in = sa_create(name, socket_id);
+ ctx->sa_in = sa_create(name, socket_id, nb_sa_in);
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);
+ rc = ipsec_sad_create(name, &ctx->sa_in->sad, socket_id,
+ &sa_in_cnt);
+ if (rc != 0)
+ rte_exit(EXIT_FAILURE, "failed to init SAD\n");
+
+ sa_in_add_rules(ctx->sa_in, sa_in, nb_sa_in, ctx);
+
+ if (app_sa_prm.enable != 0) {
+ rc = ipsec_satbl_init(ctx->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");
if (nb_sa_out > 0) {
name = "sa_out";
- ctx->sa_out = sa_create(name, socket_id);
+ ctx->sa_out = sa_create(name, socket_id, nb_sa_out);
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_out_add_rules(ctx->sa_out, sa_out, nb_sa_out);
+ sa_out_add_rules(ctx->sa_out, sa_out, nb_sa_out, ctx);
+
+ if (app_sa_prm.enable != 0) {
+ rc = ipsec_satbl_init(ctx->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");
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)
+void
+inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
+ void *sa_arr[], uint16_t nb_pkts)
{
- struct esp_hdr *esp;
- struct ip *ip;
- uint32_t *src4_addr;
- uint8_t *src6_addr;
+ uint32_t i;
+ void *result_sa;
struct ipsec_sa *sa;
- *sa_ret = NULL;
-
- ip = rte_pktmbuf_mtod(pkt, struct ip *);
- if (ip->ip_v == IPVERSION)
- esp = (struct esp_hdr *)(ip + 1);
- else
- esp = (struct esp_hdr *)(((struct ip6_hdr *)ip) + 1);
-
- if (esp->spi == INVALID_SPI)
- return;
-
- sa = &sadb[SPI2IDX(rte_be_to_cpu_32(esp->spi))];
- if (rte_be_to_cpu_32(esp->spi) != sa->spi)
- return;
+ sad_lookup(&sa_ctx->sad, pkts, sa_arr, nb_pkts);
+
+ /*
+ * Mark need for inline offload fallback on the LSB of SA pointer.
+ * Thanks to packet grouping mechanism which ipsec_process is using
+ * packets marked for fallback processing will form separate group.
+ *
+ * Because it is not safe to use SA pointer it is casted to generic
+ * pointer to prevent from unintentional use. Use ipsec_mask_saptr
+ * to get valid struct pointer.
+ */
+ for (i = 0; i < nb_pkts; i++) {
+ if (sa_arr[i] == NULL)
+ continue;
- switch (sa->flags) {
- case IP4_TUNNEL:
- src4_addr = RTE_PTR_ADD(ip, offsetof(struct ip, ip_src));
- if ((ip->ip_v == IPVERSION) &&
- (sa->src.ip.ip4 == *src4_addr) &&
- (sa->dst.ip.ip4 == *(src4_addr + 1)))
- *sa_ret = sa;
- break;
- case IP6_TUNNEL:
- src6_addr = RTE_PTR_ADD(ip, offsetof(struct ip6_hdr, ip6_src));
- if ((ip->ip_v == IP6_VERSION) &&
- !memcmp(&sa->src.ip.ip6.ip6, src6_addr, 16) &&
- !memcmp(&sa->dst.ip.ip6.ip6, src6_addr + 16, 16))
- *sa_ret = sa;
- break;
- case TRANSPORT:
- *sa_ret = sa;
+ result_sa = sa = sa_arr[i];
+ if (MBUF_NO_SEC_OFFLOAD(pkts[i]) &&
+ sa->fallback_sessions > 0) {
+ uintptr_t intsa = (uintptr_t)sa;
+ intsa |= IPSEC_SA_OFFLOAD_FALLBACK_FLAG;
+ result_sa = (void *)intsa;
+ }
+ sa_arr[i] = result_sa;
}
}
void
-inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
- struct ipsec_sa *sa[], uint16_t nb_pkts)
+outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
+ void *sa[], uint16_t nb_pkts)
{
uint32_t i;
for (i = 0; i < nb_pkts; i++)
- single_inbound_lookup(sa_ctx->sa, pkts[i], &sa[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;
+ enum rte_security_session_action_type rule_type;
+
+ *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];
+ rule_type = ipsec_get_action_type(rule);
+ 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];
+ rule_type = ipsec_get_action_type(rule);
+ 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;
}
void
-outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
- struct ipsec_sa *sa[], uint16_t nb_pkts)
+sa_sort_arr(void)
{
- uint32_t i;
+ qsort(sa_in, nb_sa_in, sizeof(struct ipsec_sa), sa_cmp);
+ qsort(sa_out, nb_sa_out, sizeof(struct ipsec_sa), sa_cmp);
+}
- for (i = 0; i < nb_pkts; i++)
- sa[i] = &sa_ctx->sa[sa_idx[i]];
+uint32_t
+get_nb_crypto_sessions(void)
+{
+ return nb_crypto_sessions;
}
git.droids-corp.org / dpdk.git / blobdiff