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-rw-r--r--src/vnet/ipsec/esp_decrypt.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/src/vnet/ipsec/esp_decrypt.c b/src/vnet/ipsec/esp_decrypt.c
index a769e6bd51a..62b12dbbdf6 100644
--- a/src/vnet/ipsec/esp_decrypt.c
+++ b/src/vnet/ipsec/esp_decrypt.c
@@ -268,9 +268,10 @@ esp_decrypt_node_fn (vlib_main_t * vm,
if (PREDICT_FALSE (!sa0->is_tunnel && !sa0->is_tunnel_ip6))
{
tunnel_mode = 0;
+
ih4 =
- (ip4_header_t *) (i_b0->data +
- sizeof (ethernet_header_t));
+ (ip4_header_t *) ((u8 *) i_b0->data +
+ vnet_buffer (i_b0)->l3_hdr_offset);
if (PREDICT_TRUE
((ih4->ip_version_and_header_length & 0xF0) != 0x40))
{
@@ -280,9 +281,7 @@ esp_decrypt_node_fn (vlib_main_t * vm,
{
transport_ip6 = 1;
ip_hdr_size = sizeof (ip6_header_t);
- ih6 =
- (ip6_header_t *) (i_b0->data +
- sizeof (ethernet_header_t));
+ ih6 = (ip6_header_t *) ih4;
oh6 = vlib_buffer_get_current (o_b0);
}
else