diff options
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/ipsec/esp_encrypt.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c index e06babd92ef..4793fddcd5a 100644 --- a/src/vnet/ipsec/esp_encrypt.c +++ b/src/vnet/ipsec/esp_encrypt.c @@ -463,6 +463,7 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node, u8 *l2_hdr, l2_len, *ip_hdr, ip_len; ip6_ext_header_t *ext_hdr; udp_header_t *udp = 0; + u16 udp_len = 0; u8 *old_ip_hdr = vlib_buffer_get_current (b[0]); ip_len = is_ip6 ? @@ -537,7 +538,7 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node, if (udp) { esp_update_ip4_hdr (ip4, len, /* is_transport */ 1, 1); - esp_fill_udp_hdr (sa0, udp, len - ip_len); + udp_len = len - ip_len; } else esp_update_ip4_hdr (ip4, len, /* is_transport */ 1, 0); @@ -545,6 +546,11 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node, clib_memcpy_le64 (ip_hdr, old_ip_hdr, ip_len); + if (udp) + { + esp_fill_udp_hdr (sa0, udp, udp_len); + } + if (!is_tun) next[0] = ESP_ENCRYPT_NEXT_INTERFACE_OUTPUT; } |