examples: fix optind reset
[dpdk.git] / examples / l2fwd-crypto / main.c
index dae45f5..bd21dba 100644 (file)
@@ -200,7 +200,7 @@ struct lcore_queue_conf {
        unsigned nb_crypto_devs;
        unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 
-       struct op_buffer op_buf[RTE_MAX_ETHPORTS];
+       struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
        struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 } __rte_cache_aligned;
 
@@ -299,7 +299,7 @@ print_stats(void)
 
        for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
                /* skip disabled ports */
-               if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0)
+               if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
                        continue;
                printf("\nStatistics for cryptodev %"PRIu64
                                " -------------------------"
@@ -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 *);
@@ -451,16 +452,37 @@ l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 
        /* Zero pad data to be crypto'd so it is block aligned */
        data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
-       pad_len = data_len % cparams->block_size ? cparams->block_size -
-                       (data_len % cparams->block_size) : 0;
 
-       if (pad_len) {
-               padding = rte_pktmbuf_append(m, pad_len);
-               if (unlikely(!padding))
-                       return -1;
+       if (cparams->do_hash && cparams->hash_verify)
+               data_len -= cparams->digest_length;
+
+       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_DES_CBC:
+               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;
+               }
 
-               data_len += pad_len;
-               memset(padding, 0, pad_len);
+               if (pad_len) {
+                       padding = rte_pktmbuf_append(m, pad_len);
+                       if (unlikely(!padding))
+                               return -1;
+
+                       data_len += pad_len;
+                       memset(padding, 0, pad_len);
+               }
        }
 
        /* Set crypto operation data parameters */
@@ -472,8 +494,8 @@ l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
                        op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
                                cparams->digest_length);
                } else {
-                       op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
-                               cparams->digest_length);
+                       op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
+                               uint8_t *) + ipdata_offset + data_len;
                }
 
                op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
@@ -508,21 +530,10 @@ l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
                                cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
                                cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
                        op->sym->cipher.data.offset = ipdata_offset << 3;
-                       if (cparams->do_hash && cparams->hash_verify)
-                               /* Do not cipher the hash tag */
-                               op->sym->cipher.data.length = (data_len -
-                                       cparams->digest_length) << 3;
-                       else
-                               op->sym->cipher.data.length = data_len << 3;
-
+                       op->sym->cipher.data.length = data_len << 3;
                } else {
                        op->sym->cipher.data.offset = ipdata_offset;
-                       if (cparams->do_hash && cparams->hash_verify)
-                               /* Do not cipher the hash tag */
-                               op->sym->cipher.data.length = data_len -
-                                       cparams->digest_length;
-                       else
-                               op->sym->cipher.data.length = data_len;
+                       op->sym->cipher.data.length = data_len;
                }
        }
 
@@ -1439,7 +1450,7 @@ l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
                argv[optind-1] = prgname;
 
        retval = optind-1;
-       optind = 0; /* reset getopt lib */
+       optind = 1; /* reset getopt lib */
 
        return retval;
 }
@@ -1815,7 +1826,7 @@ initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
                        return -1;
                }
 
-               l2fwd_enabled_crypto_mask |= (1 << cdev_id);
+               l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
 
                enabled_cdevs[cdev_id] = 1;
                enabled_cdev_count++;