2 // Copyright (c) 2010-2017 Intel Corporation
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // http://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
18 * Non compatible implementation of RFC3686(CTR-AES 128 bit key), RFC4303 (tunnel ipv4 ESP)
20 * 1. Crypto not safe!!!!! (underlying AES-CTR implementation is OK, but ESP implementation is lousy)
21 * 2. Only ESP/tunnel/ipv4/AES-CTR
22 * 3. Not fully implemented
23 * 4. No proper key / SADB
24 * So performance demonstrator only
27 #include "task_init.h"
28 #include "task_base.h"
33 #include "prox_cksum.h"
36 #include <rte_cryptodev.h>
37 #include <rte_cryptodev_pmd.h>
38 #include <rte_bus_vdev.h>
39 #include "prox_port_cfg.h"
40 #include "prox_compat.h"
42 typedef unsigned int u32;
43 typedef unsigned char u8;
45 #define BYTE_LENGTH(x) (x/8)
46 #define DIGEST_BYTE_LENGTH_SHA1 (BYTE_LENGTH(160))
48 //#define CIPHER_KEY_LENGTH_AES_CBC (32)
49 #define CIPHER_KEY_LENGTH_AES_CBC (16)//==TEST
50 #define CIPHER_IV_LENGTH_AES_CBC 16
52 #define MAXIMUM_IV_LENGTH 16
53 #define IV_OFFSET (sizeof(struct rte_crypto_op) + sizeof(struct rte_crypto_sym_op))
55 #define MAX_SESSIONS 1024
56 #define POOL_CACHE_SIZE 128
61 struct task_base base;
65 prox_rte_ether_addr local_mac;
67 prox_rte_ether_addr dst_mac;
68 struct rte_mempool *crypto_op_pool;
69 struct rte_mempool *session_pool;
70 struct rte_cryptodev_sym_session *sess;
71 struct rte_crypto_op *ops_burst[NUM_OPS];
75 struct task_base base;
79 prox_rte_ether_addr local_mac;
80 prox_rte_ether_addr dst_mac;
81 struct rte_mempool *crypto_op_pool;
82 struct rte_mempool *session_pool;
83 struct rte_cryptodev_sym_session *sess;
84 struct rte_crypto_op *ops_burst[NUM_OPS];
87 static uint8_t hmac_sha1_key[] = {
88 0xF8, 0x2A, 0xC7, 0x54, 0xDB, 0x96, 0x18, 0xAA,
89 0xC3, 0xA1, 0x53, 0xF6, 0x1F, 0x17, 0x60, 0xBD,
90 0xDE, 0xF4, 0xDE, 0xAD };
92 static uint8_t aes_cbc_key[] = {
93 0xE4, 0x23, 0x33, 0x8A, 0x35, 0x64, 0x61, 0xE2,
94 0x49, 0x03, 0xDD, 0xC6, 0xB8, 0xCA, 0x55, 0x7A,
95 0xE4, 0x23, 0x33, 0x8A, 0x35, 0x64, 0x61, 0xE2,
96 0x49, 0x03, 0xDD, 0xC6, 0xB8, 0xCA, 0x55, 0x7A };
98 static uint8_t aes_cbc_iv[] = {
99 0xE4, 0x23, 0x33, 0x8A, 0x35, 0x64, 0x61, 0xE2,
100 0x49, 0x03, 0xDD, 0xC6, 0xB8, 0xCA, 0x55, 0x7A };
102 static void printf_cdev_info(uint8_t cdev_id)
104 struct rte_cryptodev_info dev_info;
105 rte_cryptodev_info_get(cdev_id, &dev_info);
106 plog_info("!!!numdevs:%d\n", rte_cryptodev_count());
107 //uint16_t rte_cryptodev_queue_pair_count(uint8_t dev_id);
108 plog_info("dev:%d name:%s nb_queue_pairs:%d max_nb_sessions:%d\n",
109 cdev_id, dev_info.driver_name, dev_info.max_nb_queue_pairs, dev_info.sym.max_nb_sessions);
110 const struct rte_cryptodev_capabilities *cap = &dev_info.capabilities[0];
112 while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
113 //plog_info("cap->sym.xform_type:%d,");
114 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER)
115 plog_info("RTE_CRYPTO_SYM_XFORM_CIPHER: %d\n", cap->sym.cipher.algo);
116 cap = &dev_info.capabilities[++i];
121 static uint8_t get_cdev_id(void)
123 //crypto devices must be configured in the config file
124 //eal=-b 0000:00:03.0 --vdev crypto_aesni_mb0 --vdev crypto_aesni_mb1
126 static uint8_t cdev_id=0;
127 PROX_PANIC(cdev_id+1 > rte_cryptodev_count(), "not enough crypto devices\n");
128 //eal=-b 0000:00:03.0 --vdev crypto_aesni_mb0 --vdev crypto_aesni_mb1
132 static uint8_t get_cdev_id(void)
134 static uint8_t cdev_id=0;
137 sprintf(name, "crypto_aesni_mb%d", cdev_id);
139 int cdev_id1 = rte_cryptodev_get_dev_id(name);
141 plog_info("crypto dev %d preconfigured\n", cdev_id1);
145 #if RTE_VERSION < RTE_VERSION_NUM(18,8,0,0)
146 int ret = rte_vdev_init(name, "max_nb_queue_pairs=8,max_nb_sessions=1024,socket_id=0");
148 int ret = rte_vdev_init(name, "max_nb_queue_pairs=8,socket_id=0");
150 PROX_PANIC(ret != 0, "Failed rte_vdev_init\n");
156 static void init_task_esp_enc(struct task_base *tbase, struct task_args *targ)
158 struct task_esp_enc *task = (struct task_esp_enc *)tbase;
160 tbase->flags |= FLAG_NEVER_FLUSH;
162 uint8_t lcore_id = targ->lconf->id;
164 sprintf(name, "core_%03u_crypto_pool", lcore_id);
165 task->crypto_op_pool = rte_crypto_op_pool_create(name, RTE_CRYPTO_OP_TYPE_SYMMETRIC,
166 8192, 128, MAXIMUM_IV_LENGTH, rte_socket_id());
167 PROX_PANIC(task->crypto_op_pool == NULL, "Can't create ENC CRYPTO_OP_POOL\n");
169 task->cdev_id = get_cdev_id();
171 struct rte_cryptodev_config cdev_conf;
172 cdev_conf.nb_queue_pairs = 2;
173 //cdev_conf.socket_id = SOCKET_ID_ANY;
174 cdev_conf.socket_id = rte_socket_id();
175 rte_cryptodev_configure(task->cdev_id, &cdev_conf);
177 unsigned int session_size = rte_cryptodev_sym_get_private_session_size(task->cdev_id);
178 plog_info("rte_cryptodev_sym_get_private_session_size=%d\n", session_size);
179 sprintf(name, "core_%03u_session_pool", lcore_id);
180 task->session_pool = rte_mempool_create(name,
185 NULL, rte_socket_id(),
187 PROX_PANIC(task->session_pool == NULL, "Failed rte_mempool_create\n");
190 plog_info("enc: task->qp_id=%u\n", task->qp_id);
191 struct prox_rte_cryptodev_qp_conf qp_conf;
192 qp_conf.nb_descriptors = 128;
193 qp_conf.mp_session = task->session_pool;
194 prox_rte_cryptodev_queue_pair_setup(task->cdev_id, task->qp_id, &qp_conf, rte_cryptodev_socket_id(task->cdev_id));
196 int ret = rte_cryptodev_start(task->cdev_id);
197 PROX_PANIC(ret < 0, "Failed to start device\n");
199 struct rte_cryptodev *dev;
200 dev = rte_cryptodev_pmd_get_dev(task->cdev_id);
201 PROX_PANIC(dev->attached != RTE_CRYPTODEV_ATTACHED, "No ENC cryptodev attached\n");
203 //Setup Cipher Parameters
204 struct rte_crypto_sym_xform cipher_xform = {0};
205 struct rte_crypto_sym_xform auth_xform = {0};
207 cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
208 cipher_xform.next = &auth_xform;
210 cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
211 cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
212 cipher_xform.cipher.key.data = aes_cbc_key;
213 cipher_xform.cipher.key.length = CIPHER_KEY_LENGTH_AES_CBC;
215 cipher_xform.cipher.iv.offset = IV_OFFSET;
216 cipher_xform.cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC;
218 //Setup HMAC Parameters
219 auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
220 auth_xform.next = NULL;
221 auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
222 auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
223 auth_xform.auth.key.length = DIGEST_BYTE_LENGTH_SHA1;
224 auth_xform.auth.key.data = hmac_sha1_key;
225 auth_xform.auth.digest_length = DIGEST_BYTE_LENGTH_SHA1;
227 auth_xform.auth.iv.offset = 0;
228 auth_xform.auth.iv.length = 0;
230 task->sess = rte_cryptodev_sym_session_create(task->session_pool);
231 PROX_PANIC(task->sess == NULL, "Failed to create ENC session\n");
233 ret = rte_cryptodev_sym_session_init(task->cdev_id, task->sess, &cipher_xform, task->session_pool);
234 PROX_PANIC(ret < 0, "Failed sym_session_init\n");
236 //TODO: doublecheck task->ops_burst lifecycle!
237 if (rte_crypto_op_bulk_alloc(task->crypto_op_pool,
238 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
239 task->ops_burst, NUM_OPS) != NUM_OPS) {
240 PROX_PANIC(1, "Failed to allocate ENC crypto operations\n");
243 task->local_ipv4 = rte_cpu_to_be_32(targ->local_ipv4);
244 task->remote_ipv4 = rte_cpu_to_be_32(targ->remote_ipv4);
245 //memcpy(&task->src_mac, &prox_port_cfg[task->base.tx_params_hw.tx_port_queue->port].eth_addr, sizeof(prox_rte_ether_addr));
246 struct prox_port_cfg *port = find_reachable_port(targ);
247 memcpy(&task->local_mac, &port->eth_addr, sizeof(prox_rte_ether_addr));
249 if (targ->flags & TASK_ARG_DST_MAC_SET){
250 memcpy(&task->dst_mac, &targ->edaddr, sizeof(task->dst_mac));
251 plog_info("TASK_ARG_DST_MAC_SET ("MAC_BYTES_FMT")\n", MAC_BYTES(task->dst_mac.addr_bytes));
252 //prox_rte_ether_addr_copy(&ptask->dst_mac, &peth->d_addr);
253 //rte_memcpy(hdr, task->src_dst_mac, sizeof(task->src_dst_mac));
257 static void init_task_esp_dec(struct task_base *tbase, struct task_args *targ)
259 struct task_esp_dec *task = (struct task_esp_dec *)tbase;
261 tbase->flags |= FLAG_NEVER_FLUSH;
263 uint8_t lcore_id = targ->lconf->id;
265 sprintf(name, "core_%03u_crypto_pool", lcore_id);
266 task->crypto_op_pool = rte_crypto_op_pool_create(name, RTE_CRYPTO_OP_TYPE_SYMMETRIC,
267 8192, 128, MAXIMUM_IV_LENGTH, rte_socket_id());
268 PROX_PANIC(task->crypto_op_pool == NULL, "Can't create DEC CRYPTO_OP_POOL\n");
270 task->cdev_id = get_cdev_id();
271 struct rte_cryptodev_config cdev_conf;
272 cdev_conf.nb_queue_pairs = 2;
273 cdev_conf.socket_id = SOCKET_ID_ANY;
274 cdev_conf.socket_id = rte_socket_id();
275 rte_cryptodev_configure(task->cdev_id, &cdev_conf);
277 unsigned int session_size = rte_cryptodev_sym_get_private_session_size(task->cdev_id);
278 plog_info("rte_cryptodev_sym_get_private_session_size=%d\n", session_size);
279 sprintf(name, "core_%03u_session_pool", lcore_id);
280 task->session_pool = rte_mempool_create(name,
285 NULL, rte_socket_id(),
287 PROX_PANIC(task->session_pool == NULL, "Failed rte_mempool_create\n");
290 plog_info("dec: task->qp_id=%u\n", task->qp_id);
291 struct prox_rte_cryptodev_qp_conf qp_conf;
292 qp_conf.nb_descriptors = 128;
293 qp_conf.mp_session = task->session_pool;
294 prox_rte_cryptodev_queue_pair_setup(task->cdev_id, task->qp_id, &qp_conf, rte_cryptodev_socket_id(task->cdev_id));
296 int ret = rte_cryptodev_start(task->cdev_id);
297 PROX_PANIC(ret < 0, "Failed to start device\n");
299 struct rte_cryptodev *dev;
300 dev = rte_cryptodev_pmd_get_dev(task->cdev_id);
301 PROX_PANIC(dev->attached != RTE_CRYPTODEV_ATTACHED, "No ENC cryptodev attached\n");
303 //Setup Cipher Parameters
304 struct rte_crypto_sym_xform cipher_xform = {0};
305 struct rte_crypto_sym_xform auth_xform = {0};
307 cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
308 cipher_xform.next = NULL;
309 cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
310 cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
311 cipher_xform.cipher.key.data = aes_cbc_key;
312 cipher_xform.cipher.key.length = CIPHER_KEY_LENGTH_AES_CBC;
314 cipher_xform.cipher.iv.offset = IV_OFFSET;
315 cipher_xform.cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC;
317 //Setup HMAC Parameters
318 auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
319 auth_xform.next = &cipher_xform;
320 auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
321 auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
322 auth_xform.auth.key.length = DIGEST_BYTE_LENGTH_SHA1;
323 auth_xform.auth.key.data = hmac_sha1_key;
324 auth_xform.auth.digest_length = DIGEST_BYTE_LENGTH_SHA1;
326 auth_xform.auth.iv.offset = 0;
327 auth_xform.auth.iv.length = 0;
329 task->sess = rte_cryptodev_sym_session_create(task->session_pool);
330 PROX_PANIC(task->sess == NULL, "Failed to create ENC session\n");
332 ret = rte_cryptodev_sym_session_init(task->cdev_id, task->sess, &cipher_xform, task->session_pool);
333 PROX_PANIC(ret < 0, "Failed sym_session_init\n");
335 //TODO: doublecheck task->ops_burst lifecycle!
336 if (rte_crypto_op_bulk_alloc(task->crypto_op_pool,
337 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
338 task->ops_burst, NUM_OPS) != NUM_OPS) {
339 PROX_PANIC(1, "Failed to allocate DEC crypto operations\n");
342 task->local_ipv4 = rte_cpu_to_be_32(targ->local_ipv4);
343 //memcpy(&task->src_mac, &prox_port_cfg[task->base.tx_params_hw.tx_port_queue->port].eth_addr, sizeof(prox_rte_ether_addr));
344 struct prox_port_cfg *port = find_reachable_port(targ);
345 memcpy(&task->local_mac, &port->eth_addr, sizeof(prox_rte_ether_addr));
347 if (targ->flags & TASK_ARG_DST_MAC_SET){
348 memcpy(&task->dst_mac, &targ->edaddr, sizeof(task->dst_mac));
349 plog_info("TASK_ARG_DST_MAC_SET ("MAC_BYTES_FMT")\n", MAC_BYTES(task->dst_mac.addr_bytes));
350 //prox_rte_ether_addr_copy(&ptask->dst_mac, &peth->d_addr);
351 //rte_memcpy(hdr, task->src_dst_mac, sizeof(task->src_dst_mac));
356 static inline uint8_t handle_esp_ah_enc(struct task_esp_enc *task, struct rte_mbuf *mbuf, struct rte_crypto_op *cop)
359 prox_rte_ether_hdr *peth = rte_pktmbuf_mtod(mbuf, prox_rte_ether_hdr *);
360 prox_rte_ipv4_hdr* pip4 = (prox_rte_ipv4_hdr *)(peth + 1);
361 uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length);
362 struct rte_crypto_sym_op *sym_cop = cop->sym;
364 if (unlikely((pip4->version_ihl >> 4) != 4)) {
365 plog_info("Received non IPv4 packet at esp enc %i\n", pip4->version_ihl);
366 plogdx_info(mbuf, "ENC RX: ");
369 if (pip4->time_to_live) {
370 pip4->time_to_live--;
373 plog_info("TTL = 0 => Dropping\n");
377 // Remove padding if any (we don't want to encapsulate garbage at end of IPv4 packet)
378 int l1 = rte_pktmbuf_pkt_len(mbuf);
379 int padding = l1 - (ipv4_length + sizeof(prox_rte_ether_hdr));
380 if (unlikely(padding > 0)) {
381 rte_pktmbuf_trim(mbuf, padding);
384 l1 = rte_pktmbuf_pkt_len(mbuf);
385 int encrypt_len = l1 - sizeof(prox_rte_ether_hdr) + 2; // According to RFC4303 table 1, encrypt len is ip+tfc_pad(o)+pad+pad len(1) + next header(1)
387 if ((encrypt_len & 0xf) != 0){
388 padding = 16 - (encrypt_len % 16);
389 encrypt_len += padding;
392 const int extra_space = sizeof(prox_rte_ipv4_hdr) + sizeof(struct prox_esp_hdr) + CIPHER_IV_LENGTH_AES_CBC;
394 prox_rte_ether_addr src_mac = peth->s_addr;
395 prox_rte_ether_addr dst_mac = peth->d_addr;
396 uint32_t src_addr = pip4->src_addr;
397 uint32_t dst_addr = pip4->dst_addr;
398 uint8_t ttl = pip4->time_to_live;
399 uint8_t version_ihl = pip4->version_ihl;
401 peth = (prox_rte_ether_hdr *)rte_pktmbuf_prepend(mbuf, extra_space); // encap + prefix
402 peth = (prox_rte_ether_hdr *)rte_pktmbuf_append(mbuf, 0 + 1 + 1 + padding + 4 + DIGEST_BYTE_LENGTH_SHA1); // padding + pad_len + next_head + seqn + ICV pad + ICV
403 peth = rte_pktmbuf_mtod(mbuf, prox_rte_ether_hdr *);
404 l1 = rte_pktmbuf_pkt_len(mbuf);
405 peth->ether_type = ETYPE_IPv4;
408 prox_rte_ether_addr_copy(&dst_mac, &peth->s_addr);
409 prox_rte_ether_addr_copy(&src_mac, &peth->d_addr);
411 prox_rte_ether_addr_copy(&task->local_mac, &peth->s_addr);
412 //prox_rte_ether_addr_copy(&dst_mac, &peth->d_addr);//IS: dstmac should be rewritten by arp
413 prox_rte_ether_addr_copy(&task->dst_mac, &peth->d_addr);
416 pip4 = (prox_rte_ipv4_hdr *)(peth + 1);
417 pip4->src_addr = task->local_ipv4;
418 pip4->dst_addr = task->remote_ipv4;
419 pip4->time_to_live = ttl;
420 pip4->next_proto_id = IPPROTO_ESP; // 50 for ESP, ip in ip next proto trailer
421 pip4->version_ihl = version_ihl; // 20 bytes, ipv4
422 pip4->total_length = rte_cpu_to_be_16(ipv4_length + sizeof(prox_rte_ipv4_hdr) + sizeof(struct prox_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
423 pip4->packet_id = 0x0101;
424 pip4->type_of_service = 0;
425 pip4->time_to_live = 64;
426 prox_ip_cksum(mbuf, pip4, sizeof(prox_rte_ether_hdr), sizeof(prox_rte_ipv4_hdr), 1);
428 data = (u8*)(pip4 + 1);
430 *((u32*) data) = 0x2016; // FIXME SPI
431 *((u32*) data + 1) = 0x2; // FIXME SN
433 struct prox_esp_hdr *pesp = (struct prox_esp_hdr*)(pip4+1);
434 pesp->spi = src_addr;//for simplicity assume 1 tunnel per source ip
437 pesp->spi=0xAAAAAAAA;//debug
438 pesp->seq =0xBBBBBBBB;//debug
440 u8 *padl = (u8*)data + (8 + encrypt_len - 2 + CIPHER_IV_LENGTH_AES_CBC); // No ESN yet. (-2 means NH is crypted)
441 //padl += CIPHER_IV_LENGTH_AES_CBC;
443 *(padl + 1) = 4; // ipv4 in 4
445 sym_cop->auth.digest.data = data + 8 + CIPHER_IV_LENGTH_AES_CBC + encrypt_len;
446 //sym_cop->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(mbuf, (sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr) + 8 + CIPHER_IV_LENGTH_AES_CBC + encrypt_len));
447 sym_cop->auth.digest.phys_addr = rte_pktmbuf_iova_offset(mbuf, (sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr) + 8 + CIPHER_IV_LENGTH_AES_CBC + encrypt_len));
448 //sym_cop->auth.digest.length = DIGEST_BYTE_LENGTH_SHA1;
450 //sym_cop->cipher.iv.data = data + 8;
451 //sym_cop->cipher.iv.phys_addr = rte_pktmbuf_mtophys(mbuf) + sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr) + 4 + 4;
452 //sym_cop->cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC;
454 //rte_memcpy(sym_cop->cipher.iv.data, aes_cbc_iv, CIPHER_IV_LENGTH_AES_CBC);
456 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(cop, uint8_t *, IV_OFFSET);
457 rte_memcpy(iv_ptr, aes_cbc_iv, CIPHER_IV_LENGTH_AES_CBC);
460 sym_cop->cipher.data.offset = sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr) + 4 + 4 + CIPHER_IV_LENGTH_AES_CBC;
461 sym_cop->cipher.data.length = encrypt_len;
463 uint64_t *iv = (uint64_t *)(pesp + 1);
464 memset(iv, 0, CIPHER_IV_LENGTH_AES_CBC);
466 //uint64_t *iv = (uint64_t *)(pesp + 1);
467 //memset(iv, 0, CIPHER_IV_LENGTH_AES_CBC);
468 sym_cop->cipher.data.offset = sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr) + sizeof(struct prox_esp_hdr);
469 sym_cop->cipher.data.length = encrypt_len + CIPHER_IV_LENGTH_AES_CBC;
472 sym_cop->auth.data.offset = sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr);
473 sym_cop->auth.data.length = sizeof(struct prox_esp_hdr) + CIPHER_IV_LENGTH_AES_CBC + encrypt_len;// + 4;// FIXME
475 sym_cop->m_src = mbuf;
476 rte_crypto_op_attach_sym_session(cop, task->sess);
477 //cop->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
478 //cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
483 static inline uint8_t handle_esp_ah_dec(struct task_esp_dec *task, struct rte_mbuf *mbuf, struct rte_crypto_op *cop)
485 struct rte_crypto_sym_op *sym_cop = cop->sym;
486 prox_rte_ether_hdr *peth = rte_pktmbuf_mtod(mbuf, prox_rte_ether_hdr *);
487 prox_rte_ipv4_hdr* pip4 = (prox_rte_ipv4_hdr *)(peth + 1);
488 uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length);
489 u8 *data = (u8*)(pip4 + 1);
491 if (pip4->next_proto_id != IPPROTO_ESP){
492 plog_info("Received non ESP packet on esp dec\n");
493 plogdx_info(mbuf, "DEC RX: ");
497 rte_crypto_op_attach_sym_session(cop, task->sess);
499 sym_cop->auth.digest.data = (unsigned char *)((unsigned char*)pip4 + ipv4_length - DIGEST_BYTE_LENGTH_SHA1);
500 //sym_cop->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(mbuf, sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr) + sizeof(struct prox_esp_hdr)); // FIXME
501 sym_cop->auth.digest.phys_addr = rte_pktmbuf_iova_offset(mbuf, sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr) + sizeof(struct prox_esp_hdr));
502 //sym_cop->auth.digest.length = DIGEST_BYTE_LENGTH_SHA1;
504 //sym_cop->cipher.iv.data = (uint8_t *)data + 8;
505 //sym_cop->cipher.iv.phys_addr = rte_pktmbuf_mtophys(mbuf) + sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr) + 4 + 4;
506 //sym_cop->cipher.iv.length = CIPHER_IV_LENGTH_AES_CBC;
509 rte_memcpy(rte_crypto_op_ctod_offset(cop, uint8_t *, IV_OFFSET),
511 CIPHER_IV_LENGTH_AES_CBC);
513 uint8_t * iv = (uint8_t *)(pip4 + 1) + sizeof(struct prox_esp_hdr);
514 rte_memcpy(rte_crypto_op_ctod_offset(cop, uint8_t *, IV_OFFSET),
516 CIPHER_IV_LENGTH_AES_CBC);
519 sym_cop->auth.data.offset = sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr);
520 sym_cop->auth.data.length = ipv4_length - sizeof(prox_rte_ipv4_hdr) - 4 - CIPHER_IV_LENGTH_AES_CBC;
522 sym_cop->cipher.data.offset = sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr) + sizeof(struct prox_esp_hdr) + CIPHER_IV_LENGTH_AES_CBC;
523 sym_cop->cipher.data.length = ipv4_length - sizeof(prox_rte_ipv4_hdr) - CIPHER_IV_LENGTH_AES_CBC - 28; // FIXME
525 sym_cop->m_src = mbuf;
529 static inline void do_ipv4_swap(struct task_esp_dec *task, struct rte_mbuf *mbuf)
531 prox_rte_ether_hdr *peth = rte_pktmbuf_mtod(mbuf, prox_rte_ether_hdr *);
532 prox_rte_ether_addr src_mac = peth->s_addr;
533 prox_rte_ether_addr dst_mac = peth->d_addr;
534 uint32_t src_ip, dst_ip;
536 prox_rte_ipv4_hdr* pip4 = (prox_rte_ipv4_hdr *)(peth + 1);
537 src_ip = pip4->src_addr;
538 dst_ip = pip4->dst_addr;
540 //peth->s_addr = dst_mac;
541 peth->d_addr = src_mac;//should be replaced by arp
542 pip4->src_addr = dst_ip;
543 pip4->dst_addr = src_ip;
544 prox_rte_ether_addr_copy(&task->local_mac, &peth->s_addr);
547 static inline uint8_t handle_esp_ah_dec_finish(struct task_esp_dec *task, struct rte_mbuf *mbuf)
549 prox_rte_ether_hdr *peth = rte_pktmbuf_mtod(mbuf, prox_rte_ether_hdr *);
550 rte_memcpy(((u8*)peth) + sizeof(prox_rte_ether_hdr), ((u8*)peth) + sizeof(prox_rte_ether_hdr) +
551 + sizeof(prox_rte_ipv4_hdr) + 4 + 4 + CIPHER_IV_LENGTH_AES_CBC, sizeof(prox_rte_ipv4_hdr));// next hdr, padding
552 prox_rte_ipv4_hdr* pip4 = (prox_rte_ipv4_hdr *)(peth + 1);
554 if (unlikely((pip4->version_ihl >> 4) != 4)) {
555 plog_info("non IPv4 packet after esp dec %i\n", pip4->version_ihl);
556 plogdx_info(mbuf, "DEC TX: ");
559 if (pip4->time_to_live) {
560 pip4->time_to_live--;
563 plog_info("TTL = 0 => Dropping\n");
566 uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length);
567 rte_memcpy(((u8*)peth) + sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr),
568 ((u8*)peth) + sizeof(prox_rte_ether_hdr) +
569 + 2 * sizeof(prox_rte_ipv4_hdr) + 4 + 4 + CIPHER_IV_LENGTH_AES_CBC, ipv4_length - sizeof(prox_rte_ipv4_hdr));
571 int len = rte_pktmbuf_pkt_len(mbuf);
572 rte_pktmbuf_trim(mbuf, len - sizeof(prox_rte_ether_hdr) - ipv4_length);
573 peth = rte_pktmbuf_mtod(mbuf, prox_rte_ether_hdr *);
576 do_ipv4_swap(task, mbuf);
578 prox_rte_ether_addr_copy(&task->local_mac, &peth->s_addr);
579 prox_rte_ether_addr_copy(&task->dst_mac, &peth->d_addr);
580 //rte_memcpy(peth, task->dst_mac, sizeof(task->dst_mac));
582 prox_ip_cksum(mbuf, pip4, sizeof(prox_rte_ether_hdr), sizeof(prox_rte_ipv4_hdr), 1);
587 static inline uint8_t handle_esp_ah_dec_finish2(struct task_esp_dec *task, struct rte_mbuf *mbuf)
589 u8* m = rte_pktmbuf_mtod(mbuf, u8*);
590 rte_memcpy(m+sizeof(prox_rte_ipv4_hdr)+sizeof(struct prox_esp_hdr)+CIPHER_IV_LENGTH_AES_CBC,
591 m, sizeof(prox_rte_ether_hdr));
592 m = (u8*)rte_pktmbuf_adj(mbuf, sizeof(prox_rte_ipv4_hdr)+sizeof(struct prox_esp_hdr)+CIPHER_IV_LENGTH_AES_CBC);
593 prox_rte_ipv4_hdr* pip4 = (prox_rte_ipv4_hdr *)(m+sizeof(prox_rte_ether_hdr));
595 if (unlikely((pip4->version_ihl >> 4) != 4)) {
596 plog_info("non IPv4 packet after esp dec %i\n", pip4->version_ihl);
597 plogdx_info(mbuf, "DEC TX: ");
600 if (pip4->time_to_live) {
601 pip4->time_to_live--;
604 plog_info("TTL = 0 => Dropping\n");
607 uint16_t ipv4_length = rte_be_to_cpu_16(pip4->total_length);
608 int len = rte_pktmbuf_pkt_len(mbuf);
609 rte_pktmbuf_trim(mbuf, len - sizeof(prox_rte_ether_hdr) - ipv4_length);
612 do_ipv4_swap(task, mbuf);
614 prox_rte_ether_hdr *peth = rte_pktmbuf_mtod(mbuf, prox_rte_ether_hdr *);
615 prox_rte_ether_addr_copy(&task->local_mac, &peth->s_addr);
616 prox_rte_ether_addr_copy(&task->dst_mac, &peth->d_addr);
617 //rte_memcpy(peth, task->dst_mac, sizeof(task->dst_mac));
620 prox_ip_cksum(mbuf, pip4, sizeof(prox_rte_ether_hdr), sizeof(prox_rte_ipv4_hdr), 1);
624 static int handle_esp_enc_bulk(struct task_base *tbase, struct rte_mbuf **mbufs, uint16_t n_pkts)
626 struct task_esp_enc *task = (struct task_esp_enc *)tbase;
627 uint8_t out[MAX_PKT_BURST];
628 uint16_t i = 0, nb_rx = 0, nb_enc=0, j = 0;
630 for (uint16_t j = 0; j < n_pkts; ++j) {
631 out[j] = handle_esp_ah_enc(task, mbufs[j], task->ops_burst[nb_enc]);
632 if (out[j] != OUT_DISCARD)
636 if (rte_cryptodev_enqueue_burst(task->cdev_id, task->qp_id, task->ops_burst, nb_enc) != nb_enc) {
637 plog_info("Error enc enqueue_burst\n");
642 nb_rx = rte_cryptodev_dequeue_burst(task->cdev_id, task->qp_id, task->ops_burst+i, nb_enc-i);
644 } while (i < nb_enc);
646 return task->base.tx_pkt(&task->base, mbufs, n_pkts, out);
649 static int handle_esp_dec_bulk(struct task_base *tbase, struct rte_mbuf **mbufs, uint16_t n_pkts)
651 struct task_esp_dec *task = (struct task_esp_dec *)tbase;
652 uint8_t out[MAX_PKT_BURST];
653 uint16_t j, nb_dec=0, nb_rx=0;
655 for (j = 0; j < n_pkts; ++j) {
656 out[j] = handle_esp_ah_dec(task, mbufs[j], task->ops_burst[nb_dec]);
657 if (out[j] != OUT_DISCARD)
661 if (rte_cryptodev_enqueue_burst(task->cdev_id, task->qp_id, task->ops_burst, nb_dec) != nb_dec) {
662 plog_info("Error dec enqueue_burst\n");
668 nb_rx = rte_cryptodev_dequeue_burst(task->cdev_id, task->qp_id,
669 task->ops_burst+j, nb_dec-j);
671 } while (j < nb_dec);
673 for (j = 0; j < nb_dec; ++j) {
674 if (task->ops_burst[j]->status != RTE_CRYPTO_OP_STATUS_SUCCESS){
675 plog_info("err: task->ops_burst[%d].status=%d\n", j, task->ops_burst[j]->status);
676 //!!!TODO!!! find mbuf and discard it!!!
677 //for now just send it further
678 //plogdx_info(mbufs[j], "RX: ");
680 if (task->ops_burst[j]->status == RTE_CRYPTO_OP_STATUS_SUCCESS) {
681 struct rte_mbuf *mbuf = task->ops_burst[j]->sym->m_src;
682 handle_esp_ah_dec_finish2(task, mbuf);//TODO set out[j] properly
686 return task->base.tx_pkt(&task->base, mbufs, n_pkts, out);
689 struct task_init task_init_esp_enc = {
691 .mode_str = "esp_enc",
692 .init = init_task_esp_enc,
693 .handle = handle_esp_enc_bulk,
694 .size = sizeof(struct task_esp_enc),
697 struct task_init task_init_esp_dec = {
699 .mode_str = "esp_dec",
700 .init = init_task_esp_dec,
701 .handle = handle_esp_dec_bulk,
702 .size = sizeof(struct task_esp_dec),
705 __attribute__((constructor)) static void reg_task_esp_enc(void)
707 reg_task(&task_init_esp_enc);
710 __attribute__((constructor)) static void reg_task_esp_dec(void)
712 reg_task(&task_init_esp_dec);