unsigned digest_length;
unsigned block_size;
+ uint16_t cipher_dataunit_len;
+
struct l2fwd_iv cipher_iv;
struct l2fwd_iv auth_iv;
struct l2fwd_iv aead_iv;
fflush(stdout);
}
+/* l2fwd_crypto_send_burst 8< */
static int
l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
struct l2fwd_crypto_params *cparams)
return 0;
}
+/* >8 End of l2fwd_crypto_send_burst. */
+/* Crypto enqueue. 8< */
static int
l2fwd_crypto_enqueue(struct rte_crypto_op *op,
struct l2fwd_crypto_params *cparams)
qconf->op_buf[cparams->dev_id].len = len;
return 0;
}
+/* >8 End of crypto enqueue. */
static int
l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
pad_len = cparams->block_size -
(data_len % cparams->block_size);
break;
+ case RTE_CRYPTO_CIPHER_AES_XTS:
+ if (cparams->cipher_dataunit_len != 0 &&
+ (data_len % cparams->cipher_dataunit_len))
+ pad_len = cparams->cipher_dataunit_len -
+ (data_len % cparams->cipher_dataunit_len);
+ break;
default:
pad_len = 0;
}
return 0;
}
-/* Enqueue packets for TX and prepare them to be sent */
+/* Enqueue packets for TX and prepare them to be sent. 8< */
static int
l2fwd_send_packet(struct rte_mbuf *m, uint16_t port)
{
qconf->pkt_buf[port].len = len;
return 0;
}
+/* >8 End of Enqueuing packets for TX. */
static void
l2fwd_mac_updating(struct rte_mbuf *m, uint16_t dest_portid)
struct l2fwd_crypto_options *options)
{
uint16_t dst_port;
+ uint32_t pad_len;
+ struct rte_ipv4_hdr *ip_hdr;
+ uint32_t ipdata_offset = sizeof(struct rte_ether_hdr);
+ ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
+ ipdata_offset);
dst_port = l2fwd_dst_ports[portid];
if (options->mac_updating)
l2fwd_mac_updating(m, dst_port);
+ if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
+ rte_pktmbuf_trim(m, options->auth_xform.auth.digest_length);
+
+ if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT) {
+ pad_len = m->pkt_len - rte_be_to_cpu_16(ip_hdr->total_length) -
+ ipdata_offset;
+ rte_pktmbuf_trim(m, pad_len);
+ }
+
l2fwd_send_packet(m, dst_port);
}
rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
}
+/* Session is created and is later attached to the crypto operation. 8< */
static struct rte_cryptodev_sym_session *
initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
{
return session;
}
+/* >8 End of creation of session. */
static void
l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
port_cparams[i].cipher_iv.length);
port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
+ port_cparams[i].cipher_dataunit_len =
+ options->cipher_xform.cipher.dataunit_len;
/* Set IV parameters */
options->cipher_xform.cipher.iv.offset = IV_OFFSET;
options->cipher_xform.cipher.iv.length =
port_statistics[portid].rx += nb_rx;
+ /* Allocate and fillcrypto operations. 8< */
if (nb_rx) {
/*
* If we can't allocate a crypto_ops, then drop
nb_rx = 0;
}
+ /* >8 End of crypto operation allocated and filled. */
/* Enqueue packets from Crypto device*/
for (j = 0; j < nb_rx; j++) {
}
}
- /* Dequeue packets from Crypto device */
+ /* Dequeue packets from Crypto device. 8< */
do {
nb_rx = rte_cryptodev_dequeue_burst(
cparams->dev_id, cparams->qp_id,
options);
}
} while (nb_rx == MAX_PKT_BURST);
+ /* >8 End of dequeue packets from crypto device. */
}
}
}
" --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
" --cipher_iv IV (bytes separated with \":\")\n"
" --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
+ " --cipher_dataunit_len SIZE: length of the algorithm data-unit\n"
" --auth_algo ALGO\n"
" --auth_op GENERATE / VERIFY\n"
struct option *lgopts, int option_index)
{
int retval;
+ int val;
if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
retval = parse_cryptodev_type(&options->type, optarg);
return -1;
}
+ else if (strcmp(lgopts[option_index].name, "cipher_dataunit_len") == 0) {
+ retval = parse_size(&val, optarg);
+ if (retval == 0 && val >= 0 && val <= UINT16_MAX) {
+ options->cipher_xform.cipher.dataunit_len =
+ (uint16_t)val;
+ return 0;
+ } else
+ return -1;
+ }
+
else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
return parse_size(&options->ckey_random_size, optarg);
options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
+ options->cipher_xform.cipher.dataunit_len = 0;
/* Authentication Data */
options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
{ "cipher_key_random_size", required_argument, 0, 0 },
{ "cipher_iv", required_argument, 0, 0 },
{ "cipher_iv_random_size", required_argument, 0, 0 },
+ { "cipher_dataunit_len", required_argument, 0, 0},
{ "auth_algo", required_argument, 0, 0 },
{ "auth_op", required_argument, 0, 0 },
if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
- /* Check if device supports cipher algo */
+
+ /* Check if device supports cipher algo. 8< */
cap = check_device_support_cipher_algo(options, &dev_info,
cdev_id);
if (cap == NULL)
cdev_id);
return -1;
}
+ /* >8 End of check if device supports cipher algo. */
+
+ /* Check if capable cipher is supported. 8< */
/*
* Check if length of provided cipher key is supported
cap->sym.cipher.key_size.max,
cap->sym.cipher.key_size.increment)
!= 0) {
- RTE_LOG(DEBUG, USER1,
- "Device %u does not support cipher "
- "key length\n",
+ if (dev_info.feature_flags &
+ RTE_CRYPTODEV_FF_CIPHER_WRAPPED_KEY) {
+ RTE_LOG(DEBUG, USER1,
+ "Key length does not match the device "
+ "%u capability. Key may be wrapped\n",
cdev_id);
- return -1;
+ } else {
+ RTE_LOG(DEBUG, USER1,
+ "Key length does not match the device "
+ "%u capability\n",
+ cdev_id);
+ return -1;
+ }
}
+
/*
* Check if length of the cipher key to be randomly generated
* is supported by the algorithm chosen.
return -1;
}
}
+
+ if (options->cipher_xform.cipher.dataunit_len > 0) {
+ if (!(dev_info.feature_flags &
+ RTE_CRYPTODEV_FF_CIPHER_MULTIPLE_DATA_UNITS)) {
+ RTE_LOG(DEBUG, USER1,
+ "Device %u does not support "
+ "cipher multiple data units\n",
+ cdev_id);
+ return -1;
+ }
+ if (cap->sym.cipher.dataunit_set != 0) {
+ int ret = 0;
+
+ switch (options->cipher_xform.cipher.dataunit_len) {
+ case 512:
+ if (!(cap->sym.cipher.dataunit_set &
+ RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_512_BYTES))
+ ret = -1;
+ break;
+ case 4096:
+ if (!(cap->sym.cipher.dataunit_set &
+ RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_4096_BYTES))
+ ret = -1;
+ break;
+ default:
+ ret = -1;
+ }
+ if (ret == -1) {
+ RTE_LOG(DEBUG, USER1,
+ "Device %u does not support "
+ "data-unit length %u\n",
+ cdev_id,
+ options->cipher_xform.cipher.dataunit_len);
+ return -1;
+ }
+ }
+ }
+ /* >8 End of checking if cipher is supported. */
}
/* Set auth parameters */
return -1;
}
- printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
- portid,
- l2fwd_ports_eth_addr[portid].addr_bytes[0],
- l2fwd_ports_eth_addr[portid].addr_bytes[1],
- l2fwd_ports_eth_addr[portid].addr_bytes[2],
- l2fwd_ports_eth_addr[portid].addr_bytes[3],
- l2fwd_ports_eth_addr[portid].addr_bytes[4],
- l2fwd_ports_eth_addr[portid].addr_bytes[5]);
+ printf("Port %u, MAC address: " RTE_ETHER_ADDR_PRT_FMT "\n\n",
+ portid,
+ RTE_ETHER_ADDR_BYTES(&l2fwd_ports_eth_addr[portid]));
/* initialize port stats */
memset(&port_statistics, 0, sizeof(port_statistics));
return -1;
}
+ /* clean up the EAL */
+ rte_eal_cleanup();
+
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff