plugins: dpdk: ipsec: fix l3 offset

[vpp.git] / src / plugins / dpdk / ipsec / esp_decrypt.c

diff --git a/src/plugins/dpdk/ipsec/esp_decrypt.c b/src/plugins/dpdk/ipsec/esp_decrypt.c
index 581e5b9..85bfb64 100644 (file)
--- a/src/plugins/dpdk/ipsec/esp_decrypt.c
+++ b/src/plugins/dpdk/ipsec/esp_decrypt.c
@@ -476,8 +476,7 @@ dpdk_esp_decrypt_post_node_fn (vlib_main_t * vm,
                esp_replay_advance(sa0, seq);
            }
 
-         /* FIXME ip header */
-         ih4 = (ip4_header_t *) (b0->data + sizeof(ethernet_header_t));
+          ih4 = (ip4_header_t *) (b0->data + vnet_buffer(b0)->l3_hdr_offset);
          vlib_buffer_advance (b0, sizeof (esp_header_t) + iv_size);
 
          b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;