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-rw-r--r--examples/l2fwd-crypto/main.c23
1 files changed, 8 insertions, 15 deletions
diff --git a/examples/l2fwd-crypto/main.c b/examples/l2fwd-crypto/main.c
index 66397a08..6cfa9168 100644
--- a/examples/l2fwd-crypto/main.c
+++ b/examples/l2fwd-crypto/main.c
@@ -441,6 +441,10 @@ 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;
+
+ 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;
@@ -462,8 +466,8 @@ 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,
@@ -496,21 +500,10 @@ l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8) {
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;
}
}