- sym_cop->cipher.iv.data = rte_pktmbuf_mtod_offset(m, void*,
- ip_hdr_len + sizeof(struct esp_hdr));
- 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;
+ if (sa->aead_algo == RTE_CRYPTO_AEAD_AES_GCM) {
+ sym_cop->aead.data.offset =
+ ip_hdr_len + sizeof(struct rte_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 rte_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 rte_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 rte_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 rte_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_3DES_CBC:
+ 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;
+ }