diff --git a/examples/l2fwd-crypto/main.c b/examples/l2fwd-crypto/main.c index 26e0e5c824..b09d017e46 100644 --- a/examples/l2fwd-crypto/main.c +++ b/examples/l2fwd-crypto/main.c @@ -616,12 +616,26 @@ l2fwd_simple_forward(struct rte_mbuf *m, uint16_t 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); }