IPsec: modify post-decrypt buf len calculation

[vpp.git] / src / vnet / ipsec / esp_decrypt.c

diff --git a/src/vnet/ipsec/esp_decrypt.c b/src/vnet/ipsec/esp_decrypt.c
index a66eae7..8272bb0 100644 (file)
--- a/src/vnet/ipsec/esp_decrypt.c
+++ b/src/vnet/ipsec/esp_decrypt.c
@@ -424,13 +424,13 @@ esp_decrypt_inline (vlib_main_t * vm,
            {
              next[0] = ESP_DECRYPT_NEXT_IP4_INPUT;
              b[0]->current_data = pd->current_data + adv;
-             b[0]->current_length = pd->current_length + adv - tail;
+             b[0]->current_length = pd->current_length - adv - tail;
            }
          else if (f->next_header == IP_PROTOCOL_IPV6)
            {
              next[0] = ESP_DECRYPT_NEXT_IP6_INPUT;
              b[0]->current_data = pd->current_data + adv;
-             b[0]->current_length = pd->current_length + adv - tail;
+             b[0]->current_length = pd->current_length - adv - tail;
            }
          else
            {