Fix [csit-dev] CSIT IPv6 IPSec transport mode tests are failing

Change-Id: I7893a8fd5b3e15063675597c0e9bd1cd0b49ef0e
Signed-off-by: jackiechen1985 <xiaobo.chen@tieto.com>

diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c
index 88eda91..ff9c1e6 100644 (file)
--- a/src/vnet/ipsec/esp_encrypt.c
+++ b/src/vnet/ipsec/esp_encrypt.c
@@ -311,7 +311,15 @@ esp_encrypt_inline (vlib_main_t * vm,
                  vnet_buffer (o_b0)->sw_if_index[VLIB_TX] =
                    vnet_buffer (i_b0)->sw_if_index[VLIB_TX];
                }
-             vlib_buffer_advance (i_b0, sizeof (ip4_header_t));
+
+             if (is_ip6)
+               {
+                 vlib_buffer_advance (i_b0, sizeof (ip6_header_t));
+               }
+             else
+               {
+                 vlib_buffer_advance (i_b0, sizeof (ip4_header_t));
+               }
            }
 
          ASSERT (sa0->crypto_alg < IPSEC_CRYPTO_N_ALG);