From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 20 Apr 2018 14:18:09 +0000 (+0200)
Subject: missing: add IPV4_MIN_MTU
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=91723aa6753c9412b6640242c4afe058e999551d;p=elogind.git

missing: add IPV4_MIN_MTU

Similar to IPV6_MIN_MTU, let's add the same for IPv4.
---

diff --git a/src/basic/missing.h b/src/basic/missing.h
index 87ebd0c80..42bf38da0 100644
--- a/src/basic/missing.h
+++ b/src/basic/missing.h
@@ -1062,6 +1062,10 @@ 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