tunnel: support copying TTL and flow label from inner to outer

[vpp.git] / src / vnet / ip / ip4_packet.h

diff --git a/src/vnet/ip/ip4_packet.h b/src/vnet/ip/ip4_packet.h
index 0653092..513a744 100644 (file)
--- a/src/vnet/ip/ip4_packet.h
+++ b/src/vnet/ip/ip4_packet.h
@@ -359,6 +359,18 @@ ip4_header_get_ecn (const ip4_header_t * ip4)
   return (ip4->tos & IP_PACKET_TC_FIELD_ECN_MASK);
 }
 
+always_inline u8
+ip4_header_get_ttl (const ip4_header_t *ip4)
+{
+  return (ip4->ttl);
+}
+
+always_inline void
+ip4_header_set_ttl (ip4_header_t *ip4, u8 ttl)
+{
+  ip4->ttl = ttl;
+}
+
 always_inline void
 ip4_header_set_df (ip4_header_t * ip4)
 {