diff options
Diffstat (limited to 'examples/l2fwd-crypto/main.c')
| -rw-r--r-- | examples/l2fwd-crypto/main.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/examples/l2fwd-crypto/main.c b/examples/l2fwd-crypto/main.c index 07282317..b40c49c3 100644 --- a/examples/l2fwd-crypto/main.c +++ b/examples/l2fwd-crypto/main.c @@ -432,7 +432,8 @@ l2fwd_simple_crypto_enqueue(struct rte_mbuf *m, struct ether_hdr *eth_hdr; struct ipv4_hdr *ip_hdr; - unsigned ipdata_offset, pad_len, data_len; + uint32_t ipdata_offset, data_len; + uint32_t pad_len = 0; char *padding; eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *); @@ -455,16 +456,32 @@ l2fwd_simple_crypto_enqueue(struct rte_mbuf *m, if (cparams->do_hash && cparams->hash_verify) data_len -= cparams->digest_length; - pad_len = data_len % cparams->block_size ? cparams->block_size - - (data_len % cparams->block_size) : 0; + if (cparams->do_cipher) { + /* + * Following algorithms are block cipher algorithms, + * and might need padding + */ + switch (cparams->cipher_algo) { + case RTE_CRYPTO_CIPHER_AES_CBC: + case RTE_CRYPTO_CIPHER_AES_ECB: + case RTE_CRYPTO_CIPHER_3DES_CBC: + case RTE_CRYPTO_CIPHER_3DES_ECB: + if (data_len % cparams->block_size) + pad_len = cparams->block_size - + (data_len % cparams->block_size); + break; + default: + pad_len = 0; + } - if (pad_len) { - padding = rte_pktmbuf_append(m, pad_len); - if (unlikely(!padding)) - return -1; + if (pad_len) { + padding = rte_pktmbuf_append(m, pad_len); + if (unlikely(!padding)) + return -1; - data_len += pad_len; - memset(padding, 0, pad_len); + data_len += pad_len; + memset(padding, 0, pad_len); + } } /* Set crypto operation data parameters */ @@ -869,7 +886,8 @@ l2fwd_crypto_usage(const char *prgname) " (0 to disable, 10 default, 86400 maximum)\n" " --cdev_type HW / SW / ANY\n" - " --chain HASH_CIPHER / CIPHER_HASH\n" + " --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /" + " HASH_ONLY\n" " --cipher_algo ALGO\n" " --cipher_op ENCRYPT / DECRYPT\n" @@ -1379,7 +1397,7 @@ l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options, l2fwd_crypto_default_options(options); - while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts, + while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts, &option_index)) != EOF) { switch (opt) { /* long options */ |