commit 1cd0e5dd533f4209dde453eaa43215e52cd42985
author Damjan Marion <damarion@cisco.com> Mon Jan 17 14:49:17 2022 +0100
committer Ole Tr�an <otroan@employees.org> Tue Jan 18 13:20:21 2022 +0000
tree 88ed4b47252cfe27c13ac0f85a6cfc86a7052d5b
parent 49378f206b8e780a898e632f7dd8db912b9b118e

vnet: distinguish between max_frame_size and MTU

Type: improvement
Change-Id: I3659de6599f402c92e3855e3bf0e5e3388f2bea0
Signed-off-by: Damjan Marion <damarion@cisco.com>

src/vnet/ipip/ipip.c

diff --git a/src/vnet/ipip/ipip.c b/src/vnet/ipip/ipip.c
index 2ac234e..600f542 100644
--- a/src/vnet/ipip/ipip.c
+++ b/src/vnet/ipip/ipip.c
@@ -782,13 +782,11 @@
   gm->tunnel_index_by_sw_if_index[sw_if_index] = t_idx;
 
   if (t->transport == IPIP_TRANSPORT_IP4)
-    {
-      hi->min_packet_bytes = 64 + sizeof (ip4_header_t);
-    }
+    hi->frame_overhead = sizeof (ip4_header_t);
   else
-    {
-      hi->min_packet_bytes = 64 + sizeof (ip6_header_t);
-    }
+    hi->frame_overhead = sizeof (ip6_header_t);
+
+  hi->min_frame_size = hi->frame_overhead + 64;
 
   /* Standard default ipip MTU. */
   vnet_sw_interface_set_mtu (vnm, sw_if_index, 9000);