missing: add IPV4_MIN_MTU

Similar to IPV6_MIN_MTU, let's add the same for IPv4.
2018-04-20 16:18:09 +02:00 · 2018-04-20 16:18:09 +02:00 · 4d7c3570a6
parent ba68a35958
commit 4d7c3570a6
1 changed files with 4 additions and 0 deletions
--- a/src/basic/missing.h
+++ b/src/basic/missing.h
@ -1057,6 +1057,10 @@ struct input_mask {
 #define IPV6_MIN_MTU 1280
 #endif

+#ifndef IPV4_MIN_MTU
+#define IPV4_MIN_MTU 68
+#endif
+
 #ifndef IFF_MULTI_QUEUE
 #define IFF_MULTI_QUEUE 0x100
 #endif