X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/5918ff68ff3ffe61ae8ebff5b031d6bdcc63c6bc..07f7b73398de3b60f28301a9af2a2338710105c7:/slirp/if.h

diff --git a/slirp/if.h b/slirp/if.h
index 33270239fd..69569c10df 100644
--- a/slirp/if.h
+++ b/slirp/if.h
@@ -5,8 +5,8 @@
  * terms and conditions of the copyright.
  */
 
-#ifndef _IF_H_
-#define _IF_H_
+#ifndef IF_H
+#define IF_H
 
 #define IF_COMPRESS	0x01	/* We want compression */
 #define IF_NOCOMPRESS	0x02	/* Do not do compression */
@@ -17,7 +17,7 @@
 #define IF_MRU 1500
 #define	IF_COMP IF_AUTOCOMP	/* Flags for compression */
 
-/* 2 for alignment, 14 for ethernet, 40 for TCP/IP */
-#define IF_MAXLINKHDR (2 + 14 + 40)
+/* 2 for alignment, 14 for ethernet */
+#define IF_MAXLINKHDR (2 + ETH_HLEN)
 
 #endif