commit 43fc6884b5cb0e6042450b23bd457592ce2cad4d
author Mohsin Kazmi <sykazmi@cisco.com> Thu Mar 22 23:45:23 2018 +0100
committer Damjan Marion <dmarion.lists@gmail.com> Mon Mar 26 17:29:06 2018 +0000
tree 48b67e8efd2c575015bd20a0b48ab0bdf8921915
parent 74a6dab687f926373dd9843ebdabc99639b7b122

afpacket: Fix the reply if itf already exits

Change-Id: I47768ea50140222fec54e97cbaff2049bd3cb599
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>

src/vnet/devices/af_packet/af_packet.c

diff --git a/src/vnet/devices/af_packet/af_packet.c b/src/vnet/devices/af_packet/af_packet.c
index e286ae9..46bb42a 100644
--- a/src/vnet/devices/af_packet/af_packet.c
+++ b/src/vnet/devices/af_packet/af_packet.c
@@ -231,7 +231,9 @@
   p = mhash_get (&apm->if_index_by_host_if_name, host_if_name);
   if (p)
     {
-      return VNET_API_ERROR_SUBIF_ALREADY_EXISTS;
+      apif = vec_elt_at_index (apm->interfaces, p[0]);
+      *sw_if_index = apif->sw_if_index;
+      return VNET_API_ERROR_IF_ALREADY_EXISTS;
     }
 
   vec_validate (rx_req, 0);