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Pad HEADER_SIZE for alignment.

This commit is contained in:
gwr 1995-06-27 15:23:18 +00:00
parent 0e4efb30ef
commit d7e1ef6af2
1 changed files with 9 additions and 3 deletions
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12
sys/lib/libsa/net.h
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@ -1,4 +1,4 @@
/* $NetBSD: net.h,v 1.3 1995/02/20 11:04:10 mycroft Exp $ */
/* $NetBSD: net.h,v 1.4 1995/06/27 15:23:18 gwr Exp $ */
/*
* Copyright (c) 1993 Adam Glass
@ -54,9 +54,15 @@
#define IFNAME_SIZE 16
#define RECV_SIZE 1536 /* XXX delete this */
/* Size of struct ether_header + struct ip + struct udphdr */
/*
* How much room to leave for headers:
* 14: struct ether_header
* 20: struct ip
* 8: struct udphdr
* That's 42 but let's pad it out to 48 bytes.
*/
#define ETHER_SIZE 14
#define HEADER_SIZE (ETHER_SIZE + 20 + 8)
#define HEADER_SIZE 48
extern u_char bcea[6];
extern char rootpath[FNAME_SIZE];