-/*-
- * 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 <stdint.h>
struct rte_crypto_sym_op *sym_cop;
int32_t payload_len, ip_hdr_len;
- RTE_ASSERT(m != NULL);
RTE_ASSERT(sa != NULL);
+ if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO)
+ return 0;
+
+ RTE_ASSERT(m != NULL);
RTE_ASSERT(cop != NULL);
ip4 = rte_pktmbuf_mtod(m, struct ip *);
sizeof(struct esp_hdr) - sa->iv_len - sa->digest_len;
if ((payload_len & (sa->block_size - 1)) || (payload_len <= 0)) {
- RTE_LOG(DEBUG, IPSEC_ESP, "payload %d not multiple of %u\n",
+ RTE_LOG_DP(DEBUG, IPSEC_ESP, "payload %d not multiple of %u\n",
payload_len, sa->block_size);
return -EINVAL;
}
sym_cop = get_sym_cop(cop);
-
sym_cop->m_src = m;
- sym_cop->cipher.data.offset = ip_hdr_len + sizeof(struct esp_hdr) +
- sa->iv_len;
- sym_cop->cipher.data.length = payload_len;
-
- uint8_t *iv = RTE_PTR_ADD(ip4, ip_hdr_len + sizeof(struct esp_hdr));
-
- switch (sa->cipher_algo) {
- case RTE_CRYPTO_CIPHER_NULL:
- case RTE_CRYPTO_CIPHER_AES_CBC:
- sym_cop->cipher.iv.data = iv;
- sym_cop->cipher.iv.phys_addr = rte_pktmbuf_mtophys_offset(m,
- ip_hdr_len + sizeof(struct esp_hdr));
- sym_cop->cipher.iv.length = sa->iv_len;
-
- sym_cop->auth.data.offset = ip_hdr_len;
- sym_cop->auth.data.length = sizeof(struct esp_hdr) +
- sa->iv_len + payload_len;
- break;
- default:
- RTE_LOG(ERR, IPSEC_ESP, "unsupported cipher algorithm %u\n",
- sa->cipher_algo);
- return -EINVAL;
- }
- sym_cop->auth.digest.data = rte_pktmbuf_mtod_offset(m, void*,
- rte_pktmbuf_pkt_len(m) - sa->digest_len);
- sym_cop->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
- rte_pktmbuf_pkt_len(m) - sa->digest_len);
- sym_cop->auth.digest.length = sa->digest_len;
+ if (sa->aead_algo == RTE_CRYPTO_AEAD_AES_GCM) {
+ sym_cop->aead.data.offset = ip_hdr_len + sizeof(struct esp_hdr) +
+ sa->iv_len;
+ sym_cop->aead.data.length = payload_len;
+
+ struct cnt_blk *icb;
+ uint8_t *aad;
+ uint8_t *iv = RTE_PTR_ADD(ip4, ip_hdr_len + sizeof(struct esp_hdr));
+
+ icb = get_cnt_blk(m);
+ icb->salt = sa->salt;
+ memcpy(&icb->iv, iv, 8);
+ icb->cnt = rte_cpu_to_be_32(1);
+
+ aad = get_aad(m);
+ memcpy(aad, iv - sizeof(struct esp_hdr), 8);
+ sym_cop->aead.aad.data = aad;
+ sym_cop->aead.aad.phys_addr = rte_pktmbuf_iova_offset(m,
+ aad - rte_pktmbuf_mtod(m, uint8_t *));
+
+ sym_cop->aead.digest.data = rte_pktmbuf_mtod_offset(m, void*,
+ rte_pktmbuf_pkt_len(m) - sa->digest_len);
+ sym_cop->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
+ rte_pktmbuf_pkt_len(m) - sa->digest_len);
+ } else {
+ sym_cop->cipher.data.offset = ip_hdr_len + sizeof(struct esp_hdr) +
+ sa->iv_len;
+ sym_cop->cipher.data.length = payload_len;
+
+ struct cnt_blk *icb;
+ uint8_t *iv = RTE_PTR_ADD(ip4, ip_hdr_len + sizeof(struct esp_hdr));
+ uint8_t *iv_ptr = rte_crypto_op_ctod_offset(cop,
+ uint8_t *, IV_OFFSET);
+
+ switch (sa->cipher_algo) {
+ case RTE_CRYPTO_CIPHER_NULL:
+ case RTE_CRYPTO_CIPHER_AES_CBC:
+ /* Copy IV at the end of crypto operation */
+ rte_memcpy(iv_ptr, iv, sa->iv_len);
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ icb = get_cnt_blk(m);
+ icb->salt = sa->salt;
+ memcpy(&icb->iv, iv, 8);
+ icb->cnt = rte_cpu_to_be_32(1);
+ break;
+ default:
+ RTE_LOG(ERR, IPSEC_ESP, "unsupported cipher algorithm %u\n",
+ sa->cipher_algo);
+ return -EINVAL;
+ }
+
+ switch (sa->auth_algo) {
+ case RTE_CRYPTO_AUTH_NULL:
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ sym_cop->auth.data.offset = ip_hdr_len;
+ sym_cop->auth.data.length = sizeof(struct esp_hdr) +
+ sa->iv_len + payload_len;
+ break;
+ default:
+ RTE_LOG(ERR, IPSEC_ESP, "unsupported auth algorithm %u\n",
+ sa->auth_algo);
+ return -EINVAL;
+ }
+
+ sym_cop->auth.digest.data = rte_pktmbuf_mtod_offset(m, void*,
+ rte_pktmbuf_pkt_len(m) - sa->digest_len);
+ sym_cop->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
+ rte_pktmbuf_pkt_len(m) - sa->digest_len);
+ }
return 0;
}
RTE_ASSERT(sa != NULL);
RTE_ASSERT(cop != NULL);
+ if ((sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) ||
+ (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO)) {
+ if (m->ol_flags & PKT_RX_SEC_OFFLOAD) {
+ if (m->ol_flags & PKT_RX_SEC_OFFLOAD_FAILED)
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ else
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+ } else
+ cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ }
+
if (cop->status != RTE_CRYPTO_OP_STATUS_SUCCESS) {
RTE_LOG(ERR, IPSEC_ESP, "failed crypto op\n");
return -1;
}
- nexthdr = rte_pktmbuf_mtod_offset(m, uint8_t*,
- rte_pktmbuf_pkt_len(m) - sa->digest_len - 1);
- pad_len = nexthdr - 1;
+ if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO &&
+ sa->ol_flags & RTE_SECURITY_RX_HW_TRAILER_OFFLOAD) {
+ nexthdr = &m->inner_esp_next_proto;
+ } else {
+ nexthdr = rte_pktmbuf_mtod_offset(m, uint8_t*,
+ rte_pktmbuf_pkt_len(m) - sa->digest_len - 1);
+ pad_len = nexthdr - 1;
+
+ padding = pad_len - *pad_len;
+ for (i = 0; i < *pad_len; i++) {
+ if (padding[i] != i + 1) {
+ RTE_LOG(ERR, IPSEC_ESP, "invalid padding\n");
+ return -EINVAL;
+ }
+ }
- padding = pad_len - *pad_len;
- for (i = 0; i < *pad_len; i++) {
- if (padding[i] != i + 1) {
- RTE_LOG(ERR, IPSEC_ESP, "invalid padding\n");
+ if (rte_pktmbuf_trim(m, *pad_len + 2 + sa->digest_len)) {
+ RTE_LOG(ERR, IPSEC_ESP,
+ "failed to remove pad_len + digest\n");
return -EINVAL;
}
}
- if (rte_pktmbuf_trim(m, *pad_len + 2 + sa->digest_len)) {
- RTE_LOG(ERR, IPSEC_ESP,
- "failed to remove pad_len + digest\n");
- return -EINVAL;
- }
-
if (unlikely(sa->flags == TRANSPORT)) {
ip = rte_pktmbuf_mtod(m, struct ip *);
ip4 = (struct ip *)rte_pktmbuf_adj(m,
/* XXX No option headers supported */
memmove(ip6, ip, sizeof(struct ip6_hdr));
ip6->ip6_nxt = *nexthdr;
- ip6->ip6_plen = htons(rte_pktmbuf_data_len(m));
+ ip6->ip6_plen = htons(rte_pktmbuf_data_len(m) -
+ sizeof(struct ip6_hdr));
}
} else
ipip_inbound(m, sizeof(struct esp_hdr) + sa->iv_len);
struct ip *ip4;
struct ip6_hdr *ip6;
struct esp_hdr *esp = NULL;
- uint8_t *padding, *new_ip, nlp;
+ uint8_t *padding = NULL, *new_ip, nlp;
struct rte_crypto_sym_op *sym_cop;
int32_t i;
uint16_t pad_payload_len, pad_len, ip_hdr_len;
RTE_ASSERT(m != NULL);
RTE_ASSERT(sa != NULL);
- RTE_ASSERT(cop != NULL);
ip_hdr_len = 0;
return -EINVAL;
}
- padding = (uint8_t *)rte_pktmbuf_append(m, pad_len + sa->digest_len);
- if (unlikely(padding == NULL)) {
- RTE_LOG(ERR, IPSEC_ESP, "not enough mbuf trailing space\n");
- return -ENOSPC;
+ /* Add trailer padding if it is not constructed by HW */
+ if (sa->type != RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO ||
+ (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO &&
+ !(sa->ol_flags & RTE_SECURITY_TX_HW_TRAILER_OFFLOAD))) {
+ padding = (uint8_t *)rte_pktmbuf_append(m, pad_len +
+ sa->digest_len);
+ if (unlikely(padding == NULL)) {
+ RTE_LOG(ERR, IPSEC_ESP,
+ "not enough mbuf trailing space\n");
+ return -ENOSPC;
+ }
+ rte_prefetch0(padding);
}
- rte_prefetch0(padding);
switch (sa->flags) {
case IP4_TUNNEL:
sizeof(struct esp_hdr) + sa->iv_len);
memmove(new_ip, ip4, ip_hdr_len);
esp = (struct esp_hdr *)(new_ip + ip_hdr_len);
+ ip4 = (struct ip *)new_ip;
if (likely(ip4->ip_v == IPVERSION)) {
- ip4 = (struct ip *)new_ip;
ip4->ip_p = IPPROTO_ESP;
ip4->ip_len = htons(rte_pktmbuf_data_len(m));
} else {
ip6 = (struct ip6_hdr *)new_ip;
ip6->ip6_nxt = IPPROTO_ESP;
- ip6->ip6_plen = htons(rte_pktmbuf_data_len(m));
+ ip6->ip6_plen = htons(rte_pktmbuf_data_len(m) -
+ sizeof(struct ip6_hdr));
}
}
esp->spi = rte_cpu_to_be_32(sa->spi);
esp->seq = rte_cpu_to_be_32((uint32_t)sa->seq);
+ /* set iv */
uint64_t *iv = (uint64_t *)(esp + 1);
-
- sym_cop = get_sym_cop(cop);
- sym_cop->m_src = m;
- switch (sa->cipher_algo) {
- case RTE_CRYPTO_CIPHER_NULL:
- case RTE_CRYPTO_CIPHER_AES_CBC:
- memset(iv, 0, sa->iv_len);
- sym_cop->cipher.data.offset = ip_hdr_len +
- sizeof(struct esp_hdr);
- sym_cop->cipher.data.length = pad_payload_len + sa->iv_len;
- break;
- default:
- RTE_LOG(ERR, IPSEC_ESP, "unsupported cipher algorithm %u\n",
+ if (sa->aead_algo == RTE_CRYPTO_AEAD_AES_GCM) {
+ *iv = rte_cpu_to_be_64(sa->seq);
+ } else {
+ switch (sa->cipher_algo) {
+ case RTE_CRYPTO_CIPHER_NULL:
+ case RTE_CRYPTO_CIPHER_AES_CBC:
+ memset(iv, 0, sa->iv_len);
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ *iv = rte_cpu_to_be_64(sa->seq);
+ break;
+ default:
+ RTE_LOG(ERR, IPSEC_ESP,
+ "unsupported cipher algorithm %u\n",
sa->cipher_algo);
- return -EINVAL;
+ return -EINVAL;
+ }
}
- /* Fill pad_len using default sequential scheme */
- for (i = 0; i < pad_len - 2; i++)
- padding[i] = i + 1;
- padding[pad_len - 2] = pad_len - 2;
- padding[pad_len - 1] = nlp;
-
- struct cnt_blk *icb = get_cnt_blk(m);
- icb->salt = sa->salt;
- icb->iv = sa->seq;
- icb->cnt = rte_cpu_to_be_32(1);
- sym_cop->cipher.iv.data = (uint8_t *)icb;
- sym_cop->cipher.iv.phys_addr = rte_pktmbuf_mtophys_offset(m,
- (uint8_t *)icb - rte_pktmbuf_mtod(m, uint8_t *));
- sym_cop->cipher.iv.length = 16;
-
- switch (sa->cipher_algo) {
- case RTE_CRYPTO_CIPHER_NULL:
- case RTE_CRYPTO_CIPHER_AES_CBC:
- sym_cop->auth.data.offset = ip_hdr_len;
- sym_cop->auth.data.length = sizeof(struct esp_hdr) +
- sa->iv_len + pad_payload_len;
- break;
- default:
- RTE_LOG(ERR, IPSEC_ESP, "unsupported cipher algorithm %u\n",
- sa->cipher_algo);
- return -EINVAL;
+ if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
+ if (sa->ol_flags & RTE_SECURITY_TX_HW_TRAILER_OFFLOAD) {
+ /* Set the inner esp next protocol for HW trailer */
+ m->inner_esp_next_proto = nlp;
+ m->packet_type |= RTE_PTYPE_TUNNEL_ESP;
+ } else {
+ padding[pad_len - 2] = pad_len - 2;
+ padding[pad_len - 1] = nlp;
+ }
+ goto done;
}
- sym_cop->auth.digest.data = rte_pktmbuf_mtod_offset(m, uint8_t *,
+ RTE_ASSERT(cop != NULL);
+ sym_cop = get_sym_cop(cop);
+ sym_cop->m_src = m;
+
+ if (sa->aead_algo == RTE_CRYPTO_AEAD_AES_GCM) {
+ uint8_t *aad;
+
+ sym_cop->aead.data.offset = ip_hdr_len +
+ sizeof(struct esp_hdr) + sa->iv_len;
+ sym_cop->aead.data.length = pad_payload_len;
+
+ /* Fill pad_len using default sequential scheme */
+ for (i = 0; i < pad_len - 2; i++)
+ padding[i] = i + 1;
+ padding[pad_len - 2] = pad_len - 2;
+ padding[pad_len - 1] = nlp;
+
+ struct cnt_blk *icb = get_cnt_blk(m);
+ icb->salt = sa->salt;
+ icb->iv = rte_cpu_to_be_64(sa->seq);
+ icb->cnt = rte_cpu_to_be_32(1);
+
+ aad = get_aad(m);
+ memcpy(aad, esp, 8);
+ sym_cop->aead.aad.data = aad;
+ sym_cop->aead.aad.phys_addr = rte_pktmbuf_iova_offset(m,
+ aad - rte_pktmbuf_mtod(m, uint8_t *));
+
+ sym_cop->aead.digest.data = rte_pktmbuf_mtod_offset(m, uint8_t *,
rte_pktmbuf_pkt_len(m) - sa->digest_len);
- sym_cop->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
+ sym_cop->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
rte_pktmbuf_pkt_len(m) - sa->digest_len);
- sym_cop->auth.digest.length = sa->digest_len;
+ } else {
+ switch (sa->cipher_algo) {
+ case RTE_CRYPTO_CIPHER_NULL:
+ case RTE_CRYPTO_CIPHER_AES_CBC:
+ sym_cop->cipher.data.offset = ip_hdr_len +
+ sizeof(struct esp_hdr);
+ sym_cop->cipher.data.length = pad_payload_len + sa->iv_len;
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ sym_cop->cipher.data.offset = ip_hdr_len +
+ sizeof(struct esp_hdr) + sa->iv_len;
+ sym_cop->cipher.data.length = pad_payload_len;
+ break;
+ default:
+ RTE_LOG(ERR, IPSEC_ESP, "unsupported cipher algorithm %u\n",
+ sa->cipher_algo);
+ return -EINVAL;
+ }
+
+ /* Fill pad_len using default sequential scheme */
+ for (i = 0; i < pad_len - 2; i++)
+ padding[i] = i + 1;
+ padding[pad_len - 2] = pad_len - 2;
+ padding[pad_len - 1] = nlp;
+
+ struct cnt_blk *icb = get_cnt_blk(m);
+ icb->salt = sa->salt;
+ icb->iv = rte_cpu_to_be_64(sa->seq);
+ icb->cnt = rte_cpu_to_be_32(1);
+
+ switch (sa->auth_algo) {
+ case RTE_CRYPTO_AUTH_NULL:
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ sym_cop->auth.data.offset = ip_hdr_len;
+ sym_cop->auth.data.length = sizeof(struct esp_hdr) +
+ sa->iv_len + pad_payload_len;
+ break;
+ default:
+ RTE_LOG(ERR, IPSEC_ESP, "unsupported auth algorithm %u\n",
+ sa->auth_algo);
+ return -EINVAL;
+ }
+ sym_cop->auth.digest.data = rte_pktmbuf_mtod_offset(m, uint8_t *,
+ rte_pktmbuf_pkt_len(m) - sa->digest_len);
+ sym_cop->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
+ rte_pktmbuf_pkt_len(m) - sa->digest_len);
+ }
+
+done:
return 0;
}
int
-esp_outbound_post(struct rte_mbuf *m __rte_unused,
- struct ipsec_sa *sa __rte_unused,
- struct rte_crypto_op *cop)
+esp_outbound_post(struct rte_mbuf *m,
+ struct ipsec_sa *sa,
+ struct rte_crypto_op *cop)
{
RTE_ASSERT(m != NULL);
RTE_ASSERT(sa != NULL);
- RTE_ASSERT(cop != NULL);
- if (cop->status != RTE_CRYPTO_OP_STATUS_SUCCESS) {
- RTE_LOG(ERR, IPSEC_ESP, "Failed crypto op\n");
- return -1;
+ if ((sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) ||
+ (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO)) {
+ m->ol_flags |= PKT_TX_SEC_OFFLOAD;
+ } else {
+ RTE_ASSERT(cop != NULL);
+ if (cop->status != RTE_CRYPTO_OP_STATUS_SUCCESS) {
+ RTE_LOG(ERR, IPSEC_ESP, "Failed crypto op\n");
+ return -1;
+ }
}
return 0;