diff options
| -rw-r--r-- | VNFs/DPPD-PROX/handle_esp.c | 890 |
1 files changed, 443 insertions, 447 deletions
diff --git a/VNFs/DPPD-PROX/handle_esp.c b/VNFs/DPPD-PROX/handle_esp.c index 2b0bfbda..b609fce9 100644 --- a/VNFs/DPPD-PROX/handle_esp.c +++ b/VNFs/DPPD-PROX/handle_esp.c @@ -41,29 +41,29 @@ typedef unsigned int u32; typedef unsigned char u8; -#define BYTE_LENGTH(x) (x/8) -#define DIGEST_BYTE_LENGTH_SHA1 (BYTE_LENGTH(160)) +#define BYTE_LENGTH(x) (x/8) +#define DIGEST_BYTE_LENGTH_SHA1 (BYTE_LENGTH(160)) -//#define CIPHER_KEY_LENGTH_AES_CBC (32) -#define CIPHER_KEY_LENGTH_AES_CBC (16)//==TEST -#define CIPHER_IV_LENGTH_AES_CBC 16 +//#define CIPHER_KEY_LENGTH_AES_CBC (32) +#define CIPHER_KEY_LENGTH_AES_CBC (16)//==TEST +#define CIPHER_IV_LENGTH_AES_CBC 16 -#define MAXIMUM_IV_LENGTH 16 +#define MAXIMUM_IV_LENGTH 16 #define IV_OFFSET (sizeof(struct rte_crypto_op) + sizeof(struct rte_crypto_sym_op)) -#define MAX_SESSIONS 1024 -#define POOL_CACHE_SIZE 128 +#define MAX_SESSIONS 1024 +#define POOL_CACHE_SIZE 128 #define NUM_OPS 256 struct task_esp_enc { - struct task_base base; + struct task_base base; uint8_t cdev_id; uint16_t qp_id; - uint32_t local_ipv4; - struct ether_addr local_mac; - uint32_t remote_ipv4; - struct ether_addr dst_mac; + uint32_t local_ipv4; + struct ether_addr local_mac; + uint32_t remote_ipv4; + struct ether_addr dst_mac; struct rte_mempool *crypto_op_pool; struct rte_mempool *session_pool; struct rte_cryptodev_sym_session *sess; @@ -71,12 +71,12 @@ struct task_esp_enc { }; struct task_esp_dec { - struct task_base base; + struct task_base base; uint8_t cdev_id; uint16_t qp_id; - uint32_t local_ipv4; - struct ether_addr local_mac; - struct ether_addr dst_mac; + uint32_t local_ipv4; + struct ether_addr local_mac; + struct ether_addr dst_mac; struct rte_mempool *crypto_op_pool; struct rte_mempool *session_pool; struct rte_cryptodev_sym_session *sess; @@ -84,19 +84,19 @@ struct task_esp_dec { }; static uint8_t hmac_sha1_key[] = { - 0xF8, 0x2A, 0xC7, 0x54, 0xDB, 0x96, 0x18, 0xAA, - 0xC3, 0xA1, 0x53, 0xF6, 0x1F, 0x17, 0x60, 0xBD, - 0xDE, 0xF4, 0xDE, 0xAD }; + 0xF8, 0x2A, 0xC7, 0x54, 0xDB, 0x96, 0x18, 0xAA, + 0xC3, 0xA1, 0x53, 0xF6, 0x1F, 0x17, 0x60, 0xBD, + 0xDE, 0xF4, 0xDE, 0xAD }; static uint8_t aes_cbc_key[] = { - 0xE4, 0x23, 0x33, 0x8A, 0x35, 0x64, 0x61, 0xE2, - 0x49, 0x03, 0xDD, 0xC6, 0xB8, 0xCA, 0x55, 0x7A, - 0xE4, 0x23, 0x33, 0x8A, 0x35, 0x64, 0x61, 0xE2, - 0x49, 0x03, 0xDD, 0xC6, 0xB8, 0xCA, 0x55, 0x7A }; + 0xE4, 0x23, 0x33, 0x8A, 0x35, 0x64, 0x61, 0xE2, + 0x49, 0x03, 0xDD, 0xC6, 0xB8, 0xCA, 0x55, 0x7A, + 0xE4, 0x23, 0x33, 0x8A, 0x35, 0x64, 0x61, 0xE2, + 0x49, 0x03, 0xDD, 0xC6, 0xB8, 0xCA, 0x55, 0x7A }; static uint8_t aes_cbc_iv[] = { - 0xE4, 0x23, 0x33, 0x8A, 0x35, 0x64, 0x61, 0xE2, - 0x49, 0x03, 0xDD, 0xC6, 0xB8, 0xCA, 0x55, 0x7A }; + 0xE4, 0x23, 0x33, 0x8A, 0x35, 0x64, 0x61, 0xE2, + 0x49, 0x03, 0xDD, 0xC6, 0xB8, 0xCA, 0x55, 0x7A }; //RFC4303 struct esp_hdr { @@ -126,12 +126,12 @@ static void printf_cdev_info(uint8_t cdev_id) static uint8_t get_cdev_id(void) { //crypto devices must be configured in the config file - //eal=-b 0000:00:03.0 --vdev crypto_aesni_mb0 --vdev crypto_aesni_mb1 + //eal=-b 0000:00:03.0 --vdev crypto_aesni_mb0 --vdev crypto_aesni_mb1 - static uint8_t cdev_id=0; - PROX_PANIC(cdev_id+1 > rte_cryptodev_count(), "not enough crypto devices\n"); + static uint8_t cdev_id=0; + PROX_PANIC(cdev_id+1 > rte_cryptodev_count(), "not enough crypto devices\n"); //eal=-b 0000:00:03.0 --vdev crypto_aesni_mb0 --vdev crypto_aesni_mb1 - return cdev_id++; + return cdev_id++; } #else static uint8_t get_cdev_id(void) @@ -157,567 +157,563 @@ static uint8_t get_cdev_id(void) static void init_task_esp_enc(struct task_base *tbase, struct task_args *targ) { - struct task_esp_enc *task = (struct task_esp_enc *)tbase; + struct task_esp_enc *task = (struct task_esp_enc *)tbase; - tbase->flags |= FLAG_NEVER_FLUSH; + tbase->flags |= FLAG_NEVER_FLUSH; - uint8_t lcore_id = targ->lconf->id; - char name[64]; - sprintf(name, "core_%03u_crypto_pool", lcore_id); - task->crypto_op_pool = rte_crypto_op_pool_create(name, RTE_CRYPTO_OP_TYPE_SYMMETRIC, - 8192, 128, MAXIMUM_IV_LENGTH, rte_socket_id()); - PROX_PANIC(task->crypto_op_pool == NULL, "Can't create ENC CRYPTO_OP_POOL\n"); + uint8_t lcore_id = targ->lconf->id; + char name[64]; + sprintf(name, "core_%03u_crypto_pool", lcore_id); + task->crypto_op_pool = rte_crypto_op_pool_create(name, RTE_CRYPTO_OP_TYPE_SYMMETRIC, + 8192, 128, MAXIMUM_IV_LENGTH, rte_socket_id()); + PROX_PANIC(task->crypto_op_pool == NULL, "Can't create ENC CRYPTO_OP_POOL\n"); - task->cdev_id = get_cdev_id(); + task->cdev_id = get_cdev_id(); - struct rte_cryptodev_config cdev_conf; - cdev_conf.nb_queue_pairs = 2; - //cdev_conf.socket_id = SOCKET_ID_ANY; - cdev_conf.socket_id = rte_socket_id(); - rte_cryptodev_configure(task->cdev_id, &cdev_conf); + struct rte_cryptodev_config cdev_conf; + cdev_conf.nb_queue_pairs = 2; + //cdev_conf.socket_id = SOCKET_ID_ANY; + cdev_conf.socket_id = rte_socket_id(); + rte_cryptodev_configure(task->cdev_id, &cdev_conf); unsigned int session_size = rte_cryptodev_get_private_session_size(task->cdev_id); plog_info("rte_cryptodev_get_private_session_size=%d\n", session_size); - sprintf(name, "core_%03u_session_pool", lcore_id); + sprintf(name, "core_%03u_session_pool", lcore_id); task->session_pool = rte_mempool_create(name, - MAX_SESSIONS, - session_size, - POOL_CACHE_SIZE, - 0, NULL, NULL, NULL, - NULL, rte_socket_id(), - 0); + MAX_SESSIONS, + session_size, + POOL_CACHE_SIZE, + 0, NULL, NULL, NULL, + NULL, rte_socket_id(), + 0); PROX_PANIC(task->session_pool == NULL, "Failed rte_mempool_create\n"); - task->qp_id=0; - plog_info("enc: task->qp_id=%u\n", task->qp_id); - struct rte_cryptodev_qp_conf qp_conf; - //qp_conf.nb_descriptors = 4096; - qp_conf.nb_descriptors = 128; - rte_cryptodev_queue_pair_setup(task->cdev_id, task->qp_id, + task->qp_id=0; + plog_info("enc: task->qp_id=%u\n", task->qp_id); + struct rte_cryptodev_qp_conf qp_conf; + //qp_conf.nb_descriptors = 4096; + qp_conf.nb_descriptors = 128; + rte_cryptodev_queue_pair_setup(task->cdev_id, task->qp_id, &qp_conf, rte_cryptodev_socket_id(task->cdev_id), task->session_pool); int ret = rte_cryptodev_start(task->cdev_id); PROX_PANIC(ret < 0, "Failed to start device\n"); - struct rte_cryptodev *dev; - dev = rte_cryptodev_pmd_get_dev(task->cdev_id); - PROX_PANIC(dev->attached != RTE_CRYPTODEV_ATTACHED, "No ENC cryptodev attached\n"); + struct rte_cryptodev *dev; + dev = rte_cryptodev_pmd_get_dev(task->cdev_id); + PROX_PANIC(dev->attached != RTE_CRYPTODEV_ATTACHED, "No ENC cryptodev attached\n"); - //Setup Cipher Parameters - struct rte_crypto_sym_xform cipher_xform = {0}; - struct rte_crypto_sym_xform auth_xform = {0}; + //Setup Cipher Parameters + struct rte_crypto_sym_xform cipher_xform = {0}; + struct rte_crypto_sym_xform auth_xform = {0}; - cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER; - cipher_xform.next = &auth_xform; + cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER; + cipher_xform.next = &auth_xform; - cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC; - cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT; - cipher_xform.cipher.key.data = aes_cbc_key; - cipher_xform.cipher.key.length = CIPHER_KEY_LENGTH_AES_CBC; + cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC; + cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT; + cipher_xform.cipher.key.data = aes_cbc_key; + cipher_xform.cipher.key.length = CIPHER_KEY_LENGTH_AES_CBC; - cipher_xform.cipher.iv.offset = IV_OFFSET; - cipher_xform.cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC; + cipher_xform.cipher.iv.offset = IV_OFFSET; + cipher_xform.cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC; - //Setup HMAC Parameters - auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH; - auth_xform.next = NULL; - auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE; - auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC; - auth_xform.auth.key.length = DIGEST_BYTE_LENGTH_SHA1; - auth_xform.auth.key.data = hmac_sha1_key; - auth_xform.auth.digest_length = DIGEST_BYTE_LENGTH_SHA1; + //Setup HMAC Parameters + auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH; + auth_xform.next = NULL; + auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE; + auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC; + auth_xform.auth.key.length = DIGEST_BYTE_LENGTH_SHA1; + auth_xform.auth.key.data = hmac_sha1_key; + auth_xform.auth.digest_length = DIGEST_BYTE_LENGTH_SHA1; - auth_xform.auth.iv.offset = 0; - auth_xform.auth.iv.length = 0; + auth_xform.auth.iv.offset = 0; + auth_xform.auth.iv.length = 0; - task->sess = rte_cryptodev_sym_session_create(task->session_pool); - PROX_PANIC(task->sess == NULL, "Failed to create ENC session\n"); + task->sess = rte_cryptodev_sym_session_create(task->session_pool); + PROX_PANIC(task->sess == NULL, "Failed to create ENC session\n"); ret = rte_cryptodev_sym_session_init(task->cdev_id, task->sess, &cipher_xform, task->session_pool); PROX_PANIC(ret < 0, "Failed sym_session_init\n"); - //TODO: doublecheck task->ops_burst lifecycle! - if (rte_crypto_op_bulk_alloc(task->crypto_op_pool, - RTE_CRYPTO_OP_TYPE_SYMMETRIC, - task->ops_burst, NUM_OPS) != NUM_OPS) { - PROX_PANIC(1, "Failed to allocate ENC crypto operations\n"); - } - - task->local_ipv4 = rte_cpu_to_be_32(targ->local_ipv4); - task->remote_ipv4 = rte_cpu_to_be_32(targ->remote_ipv4); - //memcpy(&task->src_mac, &prox_port_cfg[task->base.tx_params_hw.tx_port_queue->port].eth_addr, sizeof(struct ether_addr)); - struct prox_port_cfg *port = find_reachable_port(targ); - memcpy(&task->local_mac, &port->eth_addr, sizeof(struct ether_addr)); - - if (targ->flags & TASK_ARG_DST_MAC_SET){ - memcpy(&task->dst_mac, &targ->edaddr, sizeof(task->dst_mac)); - plog_info("TASK_ARG_DST_MAC_SET ("MAC_BYTES_FMT")\n", MAC_BYTES(task->dst_mac.addr_bytes)); + //TODO: doublecheck task->ops_burst lifecycle! + if (rte_crypto_op_bulk_alloc(task->crypto_op_pool, + RTE_CRYPTO_OP_TYPE_SYMMETRIC, + task->ops_burst, NUM_OPS) != NUM_OPS) { + PROX_PANIC(1, "Failed to allocate ENC crypto operations\n"); + } + + task->local_ipv4 = rte_cpu_to_be_32(targ->local_ipv4); + task->remote_ipv4 = rte_cpu_to_be_32(targ->remote_ipv4); + //memcpy(&task->src_mac, &prox_port_cfg[task->base.tx_params_hw.tx_port_queue->port].eth_addr, sizeof(struct ether_addr)); + struct prox_port_cfg *port = find_reachable_port(targ); + memcpy(&task->local_mac, &port->eth_addr, sizeof(struct ether_addr)); + + if (targ->flags & TASK_ARG_DST_MAC_SET){ + memcpy(&task->dst_mac, &targ->edaddr, sizeof(task->dst_mac)); + plog_info("TASK_ARG_DST_MAC_SET ("MAC_BYTES_FMT")\n", MAC_BYTES(task->dst_mac.addr_bytes)); //ether_addr_copy(&ptask->dst_mac, &peth->d_addr); //rte_memcpy(hdr, task->src_dst_mac, sizeof(task->src_dst_mac)); - } + } } static void init_task_esp_dec(struct task_base *tbase, struct task_args *targ) { - struct task_esp_dec *task = (struct task_esp_dec *)tbase; + struct task_esp_dec *task = (struct task_esp_dec *)tbase; - tbase->flags |= FLAG_NEVER_FLUSH; + tbase->flags |= FLAG_NEVER_FLUSH; - uint8_t lcore_id = targ->lconf->id; - char name[64]; - sprintf(name, "core_%03u_crypto_pool", lcore_id); - task->crypto_op_pool = rte_crypto_op_pool_create(name, RTE_CRYPTO_OP_TYPE_SYMMETRIC, - 8192, 128, MAXIMUM_IV_LENGTH, rte_socket_id()); - PROX_PANIC(task->crypto_op_pool == NULL, "Can't create DEC CRYPTO_OP_POOL\n"); + uint8_t lcore_id = targ->lconf->id; + char name[64]; + sprintf(name, "core_%03u_crypto_pool", lcore_id); + task->crypto_op_pool = rte_crypto_op_pool_create(name, RTE_CRYPTO_OP_TYPE_SYMMETRIC, + 8192, 128, MAXIMUM_IV_LENGTH, rte_socket_id()); + PROX_PANIC(task->crypto_op_pool == NULL, "Can't create DEC CRYPTO_OP_POOL\n"); - task->cdev_id = get_cdev_id(); - struct rte_cryptodev_config cdev_conf; - cdev_conf.nb_queue_pairs = 2; - cdev_conf.socket_id = SOCKET_ID_ANY; - cdev_conf.socket_id = rte_socket_id(); - rte_cryptodev_configure(task->cdev_id, &cdev_conf); + task->cdev_id = get_cdev_id(); + struct rte_cryptodev_config cdev_conf; + cdev_conf.nb_queue_pairs = 2; + cdev_conf.socket_id = SOCKET_ID_ANY; + cdev_conf.socket_id = rte_socket_id(); + rte_cryptodev_configure(task->cdev_id, &cdev_conf); unsigned int session_size = rte_cryptodev_get_private_session_size(task->cdev_id); plog_info("rte_cryptodev_get_private_session_size=%d\n", session_size); - sprintf(name, "core_%03u_session_pool", lcore_id); + sprintf(name, "core_%03u_session_pool", lcore_id); task->session_pool = rte_mempool_create(name, - MAX_SESSIONS, - session_size, - POOL_CACHE_SIZE, - 0, NULL, NULL, NULL, - NULL, rte_socket_id(), - 0); + MAX_SESSIONS, + session_size, + POOL_CACHE_SIZE, + 0, NULL, NULL, NULL, + NULL, rte_socket_id(), + 0); PROX_PANIC(task->session_pool == NULL, "Failed rte_mempool_create\n"); - task->qp_id=0; - plog_info("dec: task->qp_id=%u\n", task->qp_id); - struct rte_cryptodev_qp_conf qp_conf; - //qp_conf.nb_descriptors = 4096; - qp_conf.nb_descriptors = 128; - rte_cryptodev_queue_pair_setup(task->cdev_id, task->qp_id, + task->qp_id=0; + plog_info("dec: task->qp_id=%u\n", task->qp_id); + struct rte_cryptodev_qp_conf qp_conf; + //qp_conf.nb_descriptors = 4096; + qp_conf.nb_descriptors = 128; + rte_cryptodev_queue_pair_setup(task->cdev_id, task->qp_id, &qp_conf, rte_cryptodev_socket_id(task->cdev_id), task->session_pool); int ret = rte_cryptodev_start(task->cdev_id); PROX_PANIC(ret < 0, "Failed to start device\n"); - struct rte_cryptodev *dev; - dev = rte_cryptodev_pmd_get_dev(task->cdev_id); - PROX_PANIC(dev->attached != RTE_CRYPTODEV_ATTACHED, "No ENC cryptodev attached\n"); + struct rte_cryptodev *dev; + dev = rte_cryptodev_pmd_get_dev(task->cdev_id); + PROX_PANIC(dev->attached != RTE_CRYPTODEV_ATTACHED, "No ENC cryptodev attached\n"); - //Setup Cipher Parameters - struct rte_crypto_sym_xform cipher_xform = {0}; - struct rte_crypto_sym_xform auth_xform = {0}; + //Setup Cipher Parameters + struct rte_crypto_sym_xform cipher_xform = {0}; + struct rte_crypto_sym_xform auth_xform = {0}; - cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER; - cipher_xform.next = NULL; - cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC; - cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT; - cipher_xform.cipher.key.data = aes_cbc_key; - cipher_xform.cipher.key.length = CIPHER_KEY_LENGTH_AES_CBC; + cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER; + cipher_xform.next = NULL; + cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC; + cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT; + cipher_xform.cipher.key.data = aes_cbc_key; + cipher_xform.cipher.key.length = CIPHER_KEY_LENGTH_AES_CBC; - cipher_xform.cipher.iv.offset = IV_OFFSET; - cipher_xform.cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC; + cipher_xform.cipher.iv.offset = IV_OFFSET; + cipher_xform.cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC; - //Setup HMAC Parameters - auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH; - auth_xform.next = &cipher_xform; - auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY; - auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC; - auth_xform.auth.key.length = DIGEST_BYTE_LENGTH_SHA1; - auth_xform.auth.key.data = hmac_sha1_key; - auth_xform.auth.digest_length = DIGEST_BYTE_LENGTH_SHA1; + //Setup HMAC Parameters + auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH; + auth_xform.next = &cipher_xform; + auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY; + auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC; + auth_xform.auth.key.length = DIGEST_BYTE_LENGTH_SHA1; + auth_xform.auth.key.data = hmac_sha1_key; + auth_xform.auth.digest_length = DIGEST_BYTE_LENGTH_SHA1; - auth_xform.auth.iv.offset = 0; - auth_xform.auth.iv.length = 0; + auth_xform.auth.iv.offset = 0; + auth_xform.auth.iv.length = 0; - task->sess = rte_cryptodev_sym_session_create(task->session_pool); - PROX_PANIC(task->sess == NULL, "Failed to create ENC session\n"); + task->sess = rte_cryptodev_sym_session_create(task->session_pool); + PROX_PANIC(task->sess == NULL, "Failed to create ENC session\n"); ret = rte_cryptodev_sym_session_init(task->cdev_id, task->sess, &cipher_xform, task->session_pool); PROX_PANIC(ret < 0, "Failed sym_session_init\n"); - //TODO: doublecheck task->ops_burst lifecycle! - if (rte_crypto_op_bulk_alloc(task->crypto_op_pool, - RTE_CRYPTO_OP_TYPE_SYMMETRIC, - task->ops_burst, NUM_OPS) != NUM_OPS) { - PROX_PANIC(1, "Failed to allocate DEC crypto operations\n"); - } - - task->local_ipv4 = rte_cpu_to_be_32(targ->local_ipv4); - //memcpy(&task->src_mac, &prox_port_cfg[task->base.tx_params_hw.tx_port_queue->port].eth_addr, sizeof(struct ether_addr)); - struct prox_port_cfg *port = find_reachable_port(targ); - memcpy(&task->local_mac, &port->eth_addr, sizeof(struct ether_addr)); - - if (targ->flags & TASK_ARG_DST_MAC_SET){ - memcpy(&task->dst_mac, &targ->edaddr, sizeof(task->dst_mac)); - plog_info("TASK_ARG_DST_MAC_SET ("MAC_BYTES_FMT")\n", MAC_BYTES(task->dst_mac.addr_bytes)); + //TODO: doublecheck task->ops_burst lifecycle! + if (rte_crypto_op_bulk_alloc(task->crypto_op_pool, + RTE_CRYPTO_OP_TYPE_SYMMETRIC, + task->ops_burst, NUM_OPS) != NUM_OPS) { + PROX_PANIC(1, "Failed to allocate DEC crypto operations\n"); + } + + task->local_ipv4 = rte_cpu_to_be_32(targ->local_ipv4); + //memcpy(&task->src_mac, &prox_port_cfg[task->base.tx_params_hw.tx_port_queue->port].eth_addr, sizeof(struct ether_addr)); + struct prox_port_cfg *port = find_reachable_port(targ); + memcpy(&task->local_mac, &port->eth_addr, sizeof(struct ether_addr)); + + if (targ->flags & TASK_ARG_DST_MAC_SET){ + memcpy(&task->dst_mac, &targ->edaddr, sizeof(task->dst_mac)); + plog_info("TASK_ARG_DST_MAC_SET ("MAC_BYTES_FMT")\n", MAC_BYTES(task->dst_mac.addr_bytes)); //ether_addr_copy(&ptask->dst_mac, &peth->d_addr); //rte_memcpy(hdr, task->src_dst_mac, sizeof(task->src_dst_mac)); - } + } } static inline uint8_t handle_esp_ah_enc(struct task_esp_enc *task, struct rte_mbuf *mbuf, struct rte_crypto_op *cop) { - u8 *data; - struct ether_hdr *peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); - struct ipv4_hdr* pip4 = (struct ipv4_hdr *)(peth + 1); - uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length); - struct rte_crypto_sym_op *sym_cop = cop->sym; - - if (unlikely((pip4->version_ihl >> 4) != 4)) { - plog_info("Received non IPv4 packet at esp enc %i\n", pip4->version_ihl); - plogdx_info(mbuf, "ENC RX: "); - return OUT_DISCARD; - } - if (pip4->time_to_live) { - pip4->time_to_live--; - } - else { - plog_info("TTL = 0 => Dropping\n"); - return OUT_DISCARD; - } - - // Remove padding if any (we don't want to encapsulate garbage at end of IPv4 packet) - int l1 = rte_pktmbuf_pkt_len(mbuf); - int padding = l1 - (ipv4_length + sizeof(struct ether_hdr)); - if (unlikely(padding > 0)) { - rte_pktmbuf_trim(mbuf, padding); - } - - l1 = rte_pktmbuf_pkt_len(mbuf); - int encrypt_len = l1 - sizeof(struct ether_hdr) + 2; // According to RFC4303 table 1, encrypt len is ip+tfc_pad(o)+pad+pad len(1) + next header(1) - padding = 0; - if ((encrypt_len & 0xf) != 0) - { - padding = 16 - (encrypt_len % 16); - encrypt_len += padding; - } - - const int extra_space = sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr) + CIPHER_IV_LENGTH_AES_CBC; - - struct ether_addr src_mac = peth->s_addr; - struct ether_addr dst_mac = peth->d_addr; - uint32_t src_addr = pip4->src_addr; - uint32_t dst_addr = pip4->dst_addr; - uint8_t ttl = pip4->time_to_live; - uint8_t version_ihl = pip4->version_ihl; - - peth = (struct ether_hdr *)rte_pktmbuf_prepend(mbuf, extra_space); // encap + prefix - peth = (struct ether_hdr *)rte_pktmbuf_append(mbuf, 0 + 1 + 1 + padding + 4 + DIGEST_BYTE_LENGTH_SHA1); // padding + pad_len + next_head + seqn + ICV pad + ICV - peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); - l1 = rte_pktmbuf_pkt_len(mbuf); - peth->ether_type = ETYPE_IPv4; + u8 *data; + struct ether_hdr *peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); + struct ipv4_hdr* pip4 = (struct ipv4_hdr *)(peth + 1); + uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length); + struct rte_crypto_sym_op *sym_cop = cop->sym; + + if (unlikely((pip4->version_ihl >> 4) != 4)) { + plog_info("Received non IPv4 packet at esp enc %i\n", pip4->version_ihl); + plogdx_info(mbuf, "ENC RX: "); + return OUT_DISCARD; + } + if (pip4->time_to_live) { + pip4->time_to_live--; + } + else { + plog_info("TTL = 0 => Dropping\n"); + return OUT_DISCARD; + } + + // Remove padding if any (we don't want to encapsulate garbage at end of IPv4 packet) + int l1 = rte_pktmbuf_pkt_len(mbuf); + int padding = l1 - (ipv4_length + sizeof(struct ether_hdr)); + if (unlikely(padding > 0)) { + rte_pktmbuf_trim(mbuf, padding); + } + + l1 = rte_pktmbuf_pkt_len(mbuf); + int encrypt_len = l1 - sizeof(struct ether_hdr) + 2; // According to RFC4303 table 1, encrypt len is ip+tfc_pad(o)+pad+pad len(1) + next header(1) + padding = 0; + if ((encrypt_len & 0xf) != 0){ + padding = 16 - (encrypt_len % 16); + encrypt_len += padding; + } + + const int extra_space = sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr) + CIPHER_IV_LENGTH_AES_CBC; + + struct ether_addr src_mac = peth->s_addr; + struct ether_addr dst_mac = peth->d_addr; + uint32_t src_addr = pip4->src_addr; + uint32_t dst_addr = pip4->dst_addr; + uint8_t ttl = pip4->time_to_live; + uint8_t version_ihl = pip4->version_ihl; + + peth = (struct ether_hdr *)rte_pktmbuf_prepend(mbuf, extra_space); // encap + prefix + peth = (struct ether_hdr *)rte_pktmbuf_append(mbuf, 0 + 1 + 1 + padding + 4 + DIGEST_BYTE_LENGTH_SHA1); // padding + pad_len + next_head + seqn + ICV pad + ICV + peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); + l1 = rte_pktmbuf_pkt_len(mbuf); + peth->ether_type = ETYPE_IPv4; #if 0 - //send it back - ether_addr_copy(&dst_mac, &peth->s_addr); - ether_addr_copy(&src_mac, &peth->d_addr); + //send it back + ether_addr_copy(&dst_mac, &peth->s_addr); + ether_addr_copy(&src_mac, &peth->d_addr); #else - ether_addr_copy(&task->local_mac, &peth->s_addr); - //ether_addr_copy(&dst_mac, &peth->d_addr);//IS: dstmac should be rewritten by arp - ether_addr_copy(&task->dst_mac, &peth->d_addr); + ether_addr_copy(&task->local_mac, &peth->s_addr); + //ether_addr_copy(&dst_mac, &peth->d_addr);//IS: dstmac should be rewritten by arp + ether_addr_copy(&task->dst_mac, &peth->d_addr); #endif - pip4 = (struct ipv4_hdr *)(peth + 1); - pip4->src_addr = task->local_ipv4; - pip4->dst_addr = task->remote_ipv4; - pip4->time_to_live = ttl; - pip4->next_proto_id = IPPROTO_ESP; // 50 for ESP, ip in ip next proto trailer - pip4->version_ihl = version_ihl; // 20 bytes, ipv4 - pip4->total_length = rte_cpu_to_be_16(ipv4_length + sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr) + CIPHER_IV_LENGTH_AES_CBC + padding + 1 + 1 + DIGEST_BYTE_LENGTH_SHA1); // iphdr+SPI+SN+IV+payload+padding+padlen+next header + crc + auth - pip4->packet_id = 0x0101; - pip4->type_of_service = 0; - pip4->time_to_live = 64; + pip4 = (struct ipv4_hdr *)(peth + 1); + pip4->src_addr = task->local_ipv4; + pip4->dst_addr = task->remote_ipv4; + pip4->time_to_live = ttl; + pip4->next_proto_id = IPPROTO_ESP; // 50 for ESP, ip in ip next proto trailer + pip4->version_ihl = version_ihl; // 20 bytes, ipv4 + pip4->total_length = rte_cpu_to_be_16(ipv4_length + sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr) + CIPHER_IV_LENGTH_AES_CBC + padding + 1 + 1 + DIGEST_BYTE_LENGTH_SHA1); // iphdr+SPI+SN+IV+payload+padding+padlen+next header + crc + auth + pip4->packet_id = 0x0101; + pip4->type_of_service = 0; + pip4->time_to_live = 64; prox_ip_cksum(mbuf, pip4, sizeof(struct ether_hdr), sizeof(struct ipv4_hdr), 1); - data = (u8*)(pip4 + 1); + data = (u8*)(pip4 + 1); #if 0 - *((u32*) data) = 0x2016; // FIXME SPI - *((u32*) data + 1) = 0x2; // FIXME SN + *((u32*) data) = 0x2016; // FIXME SPI + *((u32*) data + 1) = 0x2; // FIXME SN #else - struct esp_hdr *pesp = (struct esp_hdr*)(pip4+1); - pesp->spi = src_addr;//for simplicity assume 1 tunnel per source ip - static u32 sn = 0; - pesp->sn = ++sn; + struct esp_hdr *pesp = (struct esp_hdr*)(pip4+1); + pesp->spi = src_addr;//for simplicity assume 1 tunnel per source ip + static u32 sn = 0; + pesp->sn = ++sn; pesp->spi=0xAAAAAAAA;//debug pesp->sn =0xBBBBBBBB;//debug #endif - u8 *padl = (u8*)data + (8 + encrypt_len - 2 + CIPHER_IV_LENGTH_AES_CBC); // No ESN yet. (-2 means NH is crypted) - //padl += CIPHER_IV_LENGTH_AES_CBC; - *padl = padding; - *(padl + 1) = 4; // ipv4 in 4 + u8 *padl = (u8*)data + (8 + encrypt_len - 2 + CIPHER_IV_LENGTH_AES_CBC); // No ESN yet. (-2 means NH is crypted) + //padl += CIPHER_IV_LENGTH_AES_CBC; + *padl = padding; + *(padl + 1) = 4; // ipv4 in 4 - sym_cop->auth.digest.data = data + 8 + CIPHER_IV_LENGTH_AES_CBC + encrypt_len; - //sym_cop->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(mbuf, (sizeof (struct ether_hdr) + sizeof(struct ipv4_hdr) + 8 + CIPHER_IV_LENGTH_AES_CBC + encrypt_len)); - sym_cop->auth.digest.phys_addr = rte_pktmbuf_iova_offset(mbuf, (sizeof (struct ether_hdr) + sizeof(struct ipv4_hdr) + 8 + CIPHER_IV_LENGTH_AES_CBC + encrypt_len)); - //sym_cop->auth.digest.length = DIGEST_BYTE_LENGTH_SHA1; + sym_cop->auth.digest.data = data + 8 + CIPHER_IV_LENGTH_AES_CBC + encrypt_len; + //sym_cop->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(mbuf, (sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + 8 + CIPHER_IV_LENGTH_AES_CBC + encrypt_len)); + sym_cop->auth.digest.phys_addr = rte_pktmbuf_iova_offset(mbuf, (sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + 8 + CIPHER_IV_LENGTH_AES_CBC + encrypt_len)); + //sym_cop->auth.digest.length = DIGEST_BYTE_LENGTH_SHA1; - //sym_cop->cipher.iv.data = data + 8; - //sym_cop->cipher.iv.phys_addr = rte_pktmbuf_mtophys(mbuf) + sizeof (struct ether_hdr) + sizeof(struct ipv4_hdr) + 4 + 4; - //sym_cop->cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC; + //sym_cop->cipher.iv.data = data + 8; + //sym_cop->cipher.iv.phys_addr = rte_pktmbuf_mtophys(mbuf) + sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + 4 + 4; + //sym_cop->cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC; - //rte_memcpy(sym_cop->cipher.iv.data, aes_cbc_iv, CIPHER_IV_LENGTH_AES_CBC); + //rte_memcpy(sym_cop->cipher.iv.data, aes_cbc_iv, CIPHER_IV_LENGTH_AES_CBC); - uint8_t *iv_ptr = rte_crypto_op_ctod_offset(cop, uint8_t *, IV_OFFSET); - rte_memcpy(iv_ptr, aes_cbc_iv, CIPHER_IV_LENGTH_AES_CBC); + uint8_t *iv_ptr = rte_crypto_op_ctod_offset(cop, uint8_t *, IV_OFFSET); + rte_memcpy(iv_ptr, aes_cbc_iv, CIPHER_IV_LENGTH_AES_CBC); #if 0//old - sym_cop->cipher.data.offset = sizeof (struct ether_hdr) + sizeof(struct ipv4_hdr) + 4 + 4 + CIPHER_IV_LENGTH_AES_CBC; - sym_cop->cipher.data.length = encrypt_len; + sym_cop->cipher.data.offset = sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + 4 + 4 + CIPHER_IV_LENGTH_AES_CBC; + sym_cop->cipher.data.length = encrypt_len; - uint64_t *iv = (uint64_t *)(pesp + 1); - memset(iv, 0, CIPHER_IV_LENGTH_AES_CBC); + uint64_t *iv = (uint64_t *)(pesp + 1); + memset(iv, 0, CIPHER_IV_LENGTH_AES_CBC); #else //uint64_t *iv = (uint64_t *)(pesp + 1); //memset(iv, 0, CIPHER_IV_LENGTH_AES_CBC); - sym_cop->cipher.data.offset = sizeof (struct ether_hdr) + sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr); - sym_cop->cipher.data.length = encrypt_len + CIPHER_IV_LENGTH_AES_CBC; + sym_cop->cipher.data.offset = sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr); + sym_cop->cipher.data.length = encrypt_len + CIPHER_IV_LENGTH_AES_CBC; #endif - sym_cop->auth.data.offset = sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr); - sym_cop->auth.data.length = sizeof(struct esp_hdr) + CIPHER_IV_LENGTH_AES_CBC + encrypt_len;// + 4;// FIXME + sym_cop->auth.data.offset = sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr); + sym_cop->auth.data.length = sizeof(struct esp_hdr) + CIPHER_IV_LENGTH_AES_CBC + encrypt_len;// + 4;// FIXME - sym_cop->m_src = mbuf; + sym_cop->m_src = mbuf; rte_crypto_op_attach_sym_session(cop, task->sess); - //cop->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; - //cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; + //cop->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; + //cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; - return 0; + return 0; } static inline uint8_t handle_esp_ah_dec(struct task_esp_dec *task, struct rte_mbuf *mbuf, struct rte_crypto_op *cop) { - struct rte_crypto_sym_op *sym_cop = cop->sym; - struct ether_hdr *peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); - struct ipv4_hdr* pip4 = (struct ipv4_hdr *)(peth + 1); - uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length); - u8 *data = (u8*)(pip4 + 1); - - if (pip4->next_proto_id != IPPROTO_ESP) - { - plog_info("Received non ESP packet on esp dec\n"); - plogdx_info(mbuf, "DEC RX: "); - return OUT_DISCARD; - } - - rte_crypto_op_attach_sym_session(cop, task->sess); - - sym_cop->auth.digest.data = (unsigned char *)((unsigned char*)pip4 + ipv4_length - DIGEST_BYTE_LENGTH_SHA1); - //sym_cop->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(mbuf, sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr)); // FIXME - sym_cop->auth.digest.phys_addr = rte_pktmbuf_iova_offset(mbuf, sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr)); - //sym_cop->auth.digest.length = DIGEST_BYTE_LENGTH_SHA1; - - //sym_cop->cipher.iv.data = (uint8_t *)data + 8; - //sym_cop->cipher.iv.phys_addr = rte_pktmbuf_mtophys(mbuf) + sizeof (struct ether_hdr) + sizeof(struct ipv4_hdr) + 4 + 4; - //sym_cop->cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC; + struct rte_crypto_sym_op *sym_cop = cop->sym; + struct ether_hdr *peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); + struct ipv4_hdr* pip4 = (struct ipv4_hdr *)(peth + 1); + uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length); + u8 *data = (u8*)(pip4 + 1); + + if (pip4->next_proto_id != IPPROTO_ESP){ + plog_info("Received non ESP packet on esp dec\n"); + plogdx_info(mbuf, "DEC RX: "); + return OUT_DISCARD; + } + + rte_crypto_op_attach_sym_session(cop, task->sess); + + sym_cop->auth.digest.data = (unsigned char *)((unsigned char*)pip4 + ipv4_length - DIGEST_BYTE_LENGTH_SHA1); + //sym_cop->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(mbuf, sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr)); // FIXME + sym_cop->auth.digest.phys_addr = rte_pktmbuf_iova_offset(mbuf, sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr)); + //sym_cop->auth.digest.length = DIGEST_BYTE_LENGTH_SHA1; + + //sym_cop->cipher.iv.data = (uint8_t *)data + 8; + //sym_cop->cipher.iv.phys_addr = rte_pktmbuf_mtophys(mbuf) + sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + 4 + 4; + //sym_cop->cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC; #if 0 - rte_memcpy(rte_crypto_op_ctod_offset(cop, uint8_t *, IV_OFFSET), - aes_cbc_iv, - CIPHER_IV_LENGTH_AES_CBC); + rte_memcpy(rte_crypto_op_ctod_offset(cop, uint8_t *, IV_OFFSET), + aes_cbc_iv, + CIPHER_IV_LENGTH_AES_CBC); #else uint8_t * iv = (uint8_t *)(pip4 + 1) + sizeof(struct esp_hdr); rte_memcpy(rte_crypto_op_ctod_offset(cop, uint8_t *, IV_OFFSET), - iv, - CIPHER_IV_LENGTH_AES_CBC); + iv, + CIPHER_IV_LENGTH_AES_CBC); #endif - sym_cop->auth.data.offset = sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr); - sym_cop->auth.data.length = ipv4_length - sizeof(struct ipv4_hdr) - 4 - CIPHER_IV_LENGTH_AES_CBC; + sym_cop->auth.data.offset = sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr); + sym_cop->auth.data.length = ipv4_length - sizeof(struct ipv4_hdr) - 4 - CIPHER_IV_LENGTH_AES_CBC; - sym_cop->cipher.data.offset = sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr) + CIPHER_IV_LENGTH_AES_CBC; - sym_cop->cipher.data.length = ipv4_length - sizeof(struct ipv4_hdr) - CIPHER_IV_LENGTH_AES_CBC - 28; // FIXME + sym_cop->cipher.data.offset = sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) + sizeof(struct esp_hdr) + CIPHER_IV_LENGTH_AES_CBC; + sym_cop->cipher.data.length = ipv4_length - sizeof(struct ipv4_hdr) - CIPHER_IV_LENGTH_AES_CBC - 28; // FIXME - sym_cop->m_src = mbuf; - return 0; + sym_cop->m_src = mbuf; + return 0; } static inline void do_ipv4_swap(struct task_esp_dec *task, struct rte_mbuf *mbuf) { - struct ether_hdr *peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); - struct ether_addr src_mac = peth->s_addr; - struct ether_addr dst_mac = peth->d_addr; - uint32_t src_ip, dst_ip; - - struct ipv4_hdr* pip4 = (struct ipv4_hdr *)(peth + 1); - src_ip = pip4->src_addr; - dst_ip = pip4->dst_addr; - - //peth->s_addr = dst_mac; - peth->d_addr = src_mac;//should be replaced by arp - pip4->src_addr = dst_ip; - pip4->dst_addr = src_ip; - ether_addr_copy(&task->local_mac, &peth->s_addr); + struct ether_hdr *peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); + struct ether_addr src_mac = peth->s_addr; + struct ether_addr dst_mac = peth->d_addr; + uint32_t src_ip, dst_ip; + + struct ipv4_hdr* pip4 = (struct ipv4_hdr *)(peth + 1); + src_ip = pip4->src_addr; + dst_ip = pip4->dst_addr; + + //peth->s_addr = dst_mac; + peth->d_addr = src_mac;//should be replaced by arp + pip4->src_addr = dst_ip; + pip4->dst_addr = src_ip; + ether_addr_copy(&task->local_mac, &peth->s_addr); } static inline uint8_t handle_esp_ah_dec_finish(struct task_esp_dec *task, struct rte_mbuf *mbuf) { - struct ether_hdr *peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); - rte_memcpy(((u8*)peth) + sizeof (struct ether_hdr), ((u8*)peth) + sizeof (struct ether_hdr) + - + sizeof(struct ipv4_hdr) + 4 + 4 + CIPHER_IV_LENGTH_AES_CBC, sizeof(struct ipv4_hdr));// next hdr, padding - struct ipv4_hdr* pip4 = (struct ipv4_hdr *)(peth + 1); - - if (unlikely((pip4->version_ihl >> 4) != 4)) { - plog_info("non IPv4 packet after esp dec %i\n", pip4->version_ihl); - plogdx_info(mbuf, "DEC TX: "); - return OUT_DISCARD; - } - if (pip4->time_to_live) { - pip4->time_to_live--; - } - else { - plog_info("TTL = 0 => Dropping\n"); - return OUT_DISCARD; - } - uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length); - rte_memcpy(((u8*)peth) + sizeof (struct ether_hdr) + sizeof(struct ipv4_hdr), - ((u8*)peth) + sizeof (struct ether_hdr) + - + 2 * sizeof(struct ipv4_hdr) + 4 + 4 + CIPHER_IV_LENGTH_AES_CBC, ipv4_length - sizeof(struct ipv4_hdr)); - - int len = rte_pktmbuf_pkt_len(mbuf); - rte_pktmbuf_trim(mbuf, len - sizeof (struct ether_hdr) - ipv4_length); - peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); + struct ether_hdr *peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); + rte_memcpy(((u8*)peth) + sizeof(struct ether_hdr), ((u8*)peth) + sizeof(struct ether_hdr) + + + sizeof(struct ipv4_hdr) + 4 + 4 + CIPHER_IV_LENGTH_AES_CBC, sizeof(struct ipv4_hdr));// next hdr, padding + struct ipv4_hdr* pip4 = (struct ipv4_hdr *)(peth + 1); + + if (unlikely((pip4->version_ihl >> 4) != 4)) { + plog_info("non IPv4 packet after esp dec %i\n", pip4->version_ihl); + plogdx_info(mbuf, "DEC TX: "); + return OUT_DISCARD; + } + if (pip4->time_to_live) { + pip4->time_to_live--; + } + else { + plog_info("TTL = 0 => Dropping\n"); + return OUT_DISCARD; + } + uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length); + rte_memcpy(((u8*)peth) + sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr), + ((u8*)peth) + sizeof(struct ether_hdr) + + + 2 * sizeof(struct ipv4_hdr) + 4 + 4 + CIPHER_IV_LENGTH_AES_CBC, ipv4_length - sizeof(struct ipv4_hdr)); + + int len = rte_pktmbuf_pkt_len(mbuf); + rte_pktmbuf_trim(mbuf, len - sizeof(struct ether_hdr) - ipv4_length); + peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); #if 0 - do_ipv4_swap(task, mbuf); + do_ipv4_swap(task, mbuf); #else - ether_addr_copy(&task->local_mac, &peth->s_addr); - ether_addr_copy(&task->dst_mac, &peth->d_addr); - //rte_memcpy(peth, task->dst_mac, sizeof(task->dst_mac)); + ether_addr_copy(&task->local_mac, &peth->s_addr); + ether_addr_copy(&task->dst_mac, &peth->d_addr); + //rte_memcpy(peth, task->dst_mac, sizeof(task->dst_mac)); #endif - prox_ip_cksum(mbuf, pip4, sizeof(struct ether_hdr), sizeof(struct ipv4_hdr), 1); + prox_ip_cksum(mbuf, pip4, sizeof(struct ether_hdr), sizeof(struct ipv4_hdr), 1); - return 0; + return 0; } static inline uint8_t handle_esp_ah_dec_finish2(struct task_esp_dec *task, struct rte_mbuf *mbuf) { - u8* m = rte_pktmbuf_mtod(mbuf, u8*); - rte_memcpy(m+sizeof(struct ipv4_hdr)+sizeof(struct esp_hdr)+CIPHER_IV_LENGTH_AES_CBC, - m, sizeof(struct ether_hdr)); - m = (u8*)rte_pktmbuf_adj(mbuf, sizeof(struct ipv4_hdr)+sizeof(struct esp_hdr)+CIPHER_IV_LENGTH_AES_CBC); - struct ipv4_hdr* pip4 = (struct ipv4_hdr *)(m+sizeof(struct ether_hdr)); - - if (unlikely((pip4->version_ihl >> 4) != 4)) { - plog_info("non IPv4 packet after esp dec %i\n", pip4->version_ihl); - plogdx_info(mbuf, "DEC TX: "); - return OUT_DISCARD; - } - if (pip4->time_to_live) { - pip4->time_to_live--; - } - else { - plog_info("TTL = 0 => Dropping\n"); - return OUT_DISCARD; - } - uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length); - int len = rte_pktmbuf_pkt_len(mbuf); - rte_pktmbuf_trim(mbuf, len - sizeof (struct ether_hdr) - ipv4_length); + u8* m = rte_pktmbuf_mtod(mbuf, u8*); + rte_memcpy(m+sizeof(struct ipv4_hdr)+sizeof(struct esp_hdr)+CIPHER_IV_LENGTH_AES_CBC, + m, sizeof(struct ether_hdr)); + m = (u8*)rte_pktmbuf_adj(mbuf, sizeof(struct ipv4_hdr)+sizeof(struct esp_hdr)+CIPHER_IV_LENGTH_AES_CBC); + struct ipv4_hdr* pip4 = (struct ipv4_hdr *)(m+sizeof(struct ether_hdr)); + + if (unlikely((pip4->version_ihl >> 4) != 4)) { + plog_info("non IPv4 packet after esp dec %i\n", pip4->version_ihl); + plogdx_info(mbuf, "DEC TX: "); + return OUT_DISCARD; + } + if (pip4->time_to_live) { + pip4->time_to_live--; + } + else { + plog_info("TTL = 0 => Dropping\n"); + return OUT_DISCARD; + } + uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length); + int len = rte_pktmbuf_pkt_len(mbuf); + rte_pktmbuf_trim(mbuf, len - sizeof(struct ether_hdr) - ipv4_length); #if 0 - do_ipv4_swap(task, mbuf); + do_ipv4_swap(task, mbuf); #else - struct ether_hdr *peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); - ether_addr_copy(&task->local_mac, &peth->s_addr); - ether_addr_copy(&task->dst_mac, &peth->d_addr); - //rte_memcpy(peth, task->dst_mac, sizeof(task->dst_mac)); + struct ether_hdr *peth = rte_pktmbuf_mtod(mbuf, struct ether_hdr *); + ether_addr_copy(&task->local_mac, &peth->s_addr); + ether_addr_copy(&task->dst_mac, &peth->d_addr); + //rte_memcpy(peth, task->dst_mac, sizeof(task->dst_mac)); #endif - prox_ip_cksum(mbuf, pip4, sizeof(struct ether_hdr), sizeof(struct ipv4_hdr), 1); - return 0; + prox_ip_cksum(mbuf, pip4, sizeof(struct ether_hdr), sizeof(struct ipv4_hdr), 1); + return 0; } static int handle_esp_enc_bulk(struct task_base *tbase, struct rte_mbuf **mbufs, uint16_t n_pkts) { - struct task_esp_enc *task = (struct task_esp_enc *)tbase; - uint8_t out[MAX_PKT_BURST]; - uint16_t i = 0, nb_rx = 0, nb_enc=0, j = 0; - - for (uint16_t j = 0; j < n_pkts; ++j) { - out[j] = handle_esp_ah_enc(task, mbufs[j], task->ops_burst[nb_enc]); - if (out[j] != OUT_DISCARD) - ++nb_enc; - } - - if (rte_cryptodev_enqueue_burst(task->cdev_id, task->qp_id, task->ops_burst, nb_enc) != nb_enc) { - plog_info("Error enc enqueue_burst\n"); - return -1; - } - - do { - nb_rx = rte_cryptodev_dequeue_burst( - task->cdev_id, task->qp_id, - task->ops_burst+i, nb_enc-i); - i += nb_rx; - } while (i < nb_enc); - - return task->base.tx_pkt(&task->base, mbufs, n_pkts, out); + struct task_esp_enc *task = (struct task_esp_enc *)tbase; + uint8_t out[MAX_PKT_BURST]; + uint16_t i = 0, nb_rx = 0, nb_enc=0, j = 0; + + for (uint16_t j = 0; j < n_pkts; ++j) { + out[j] = handle_esp_ah_enc(task, mbufs[j], task->ops_burst[nb_enc]); + if (out[j] != OUT_DISCARD) + ++nb_enc; + } + + if (rte_cryptodev_enqueue_burst(task->cdev_id, task->qp_id, task->ops_burst, nb_enc) != nb_enc) { + plog_info("Error enc enqueue_burst\n"); + return -1; + } + + do { + nb_rx = rte_cryptodev_dequeue_burst(task->cdev_id, task->qp_id, task->ops_burst+i, nb_enc-i); + i += nb_rx; + } while (i < nb_enc); + + return task->base.tx_pkt(&task->base, mbufs, n_pkts, out); } static int handle_esp_dec_bulk(struct task_base *tbase, struct rte_mbuf **mbufs, uint16_t n_pkts) { - struct task_esp_dec *task = (struct task_esp_dec *)tbase; - uint8_t out[MAX_PKT_BURST]; - uint16_t j, nb_dec=0, nb_rx=0; - - for (j = 0; j < n_pkts; ++j) { - out[j] = handle_esp_ah_dec(task, mbufs[j], task->ops_burst[nb_dec]); - if (out[j] != OUT_DISCARD) - ++nb_dec; - } - - if (rte_cryptodev_enqueue_burst(task->cdev_id, task->qp_id, task->ops_burst, nb_dec) != nb_dec) { - plog_info("Error dec enqueue_burst\n"); - return -1; - } - - j=0; - do { - nb_rx = rte_cryptodev_dequeue_burst(task->cdev_id, task->qp_id, - task->ops_burst+j, nb_dec-j); - j += nb_rx; - } while (j < nb_dec); - - for (j = 0; j < nb_dec; ++j) { - if (task->ops_burst[j]->status != RTE_CRYPTO_OP_STATUS_SUCCESS){ - plog_info("err: task->ops_burst[%d].status=%d\n", j, task->ops_burst[j]->status); - //!!!TODO!!! find mbuf and discard it!!! - //for now just send it further - //plogdx_info(mbufs[j], "RX: "); - } - if (task->ops_burst[j]->status == RTE_CRYPTO_OP_STATUS_SUCCESS) { - struct rte_mbuf *mbuf = task->ops_burst[j]->sym->m_src; - handle_esp_ah_dec_finish2(task, mbuf);//TODO set out[j] properly - } - } - - return task->base.tx_pkt(&task->base, mbufs, n_pkts, out); + struct task_esp_dec *task = (struct task_esp_dec *)tbase; + uint8_t out[MAX_PKT_BURST]; + uint16_t j, nb_dec=0, nb_rx=0; + + for (j = 0; j < n_pkts; ++j) { + out[j] = handle_esp_ah_dec(task, mbufs[j], task->ops_burst[nb_dec]); + if (out[j] != OUT_DISCARD) + ++nb_dec; + } + + if (rte_cryptodev_enqueue_burst(task->cdev_id, task->qp_id, task->ops_burst, nb_dec) != nb_dec) { + plog_info("Error dec enqueue_burst\n"); + return -1; + } + + j=0; + do { + nb_rx = rte_cryptodev_dequeue_burst(task->cdev_id, task->qp_id, + task->ops_burst+j, nb_dec-j); + j += nb_rx; + } while (j < nb_dec); + + for (j = 0; j < nb_dec; ++j) { + if (task->ops_burst[j]->status != RTE_CRYPTO_OP_STATUS_SUCCESS){ + plog_info("err: task->ops_burst[%d].status=%d\n", j, task->ops_burst[j]->status); + //!!!TODO!!! find mbuf and discard it!!! + //for now just send it further + //plogdx_info(mbufs[j], "RX: "); + } + if (task->ops_burst[j]->status == RTE_CRYPTO_OP_STATUS_SUCCESS) { + struct rte_mbuf *mbuf = task->ops_burst[j]->sym->m_src; + handle_esp_ah_dec_finish2(task, mbuf);//TODO set out[j] properly + } + } + + return task->base.tx_pkt(&task->base, mbufs, n_pkts, out); } struct task_init task_init_esp_enc = { - .mode = ESP_ENC, - .mode_str = "esp_enc", - .init = init_task_esp_enc, - .handle = handle_esp_enc_bulk, - .size = sizeof(struct task_esp_enc), - .mbuf_size = 2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM + .mode = ESP_ENC, + .mode_str = "esp_enc", + .init = init_task_esp_enc, + .handle = handle_esp_enc_bulk, + .size = sizeof(struct task_esp_enc), + .mbuf_size = 2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM }; struct task_init task_init_esp_dec = { - .mode = ESP_ENC, - .mode_str = "esp_dec", - .init = init_task_esp_dec, - .handle = handle_esp_dec_bulk, - .size = sizeof(struct task_esp_dec), - .mbuf_size = 2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM + .mode = ESP_ENC, + .mode_str = "esp_dec", + .init = init_task_esp_dec, + .handle = handle_esp_dec_bulk, + .size = sizeof(struct task_esp_dec), + .mbuf_size = 2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM }; __attribute__((constructor)) static void reg_task_esp_enc(void) { - reg_task(&task_init_esp_enc); + reg_task(&task_init_esp_enc); } __attribute__((constructor)) static void reg_task_esp_dec(void) { - reg_task(&task_init_esp_dec); + reg_task(&task_init_esp_dec); } |