Add changes in 4.2.1.

[tcpdump] / ip.h

diff --git a/ip.h b/ip.h
index eba63668b92c10dad0022aa8fbcad91f06947388..8a97632e515f13778b2d8b80380d0df6c567e6a8 100644 (file)
--- a/ip.h
+++ b/ip.h
@@ -1,4 +1,4 @@
-/* @(#) $Header: /tcpdump/master/tcpdump/ip.h,v 1.10 2002-12-11 07:13:53 guy Exp $ (LBL) */
+/* @(#) $Header: /tcpdump/master/tcpdump/ip.h,v 1.12 2007-09-14 01:29:28 guy Exp $ (LBL) */
 /*
  * Copyright (c) 1982, 1986, 1993
  *     The Regents of the University of California.  All rights reserved.
@@ -62,7 +62,7 @@ struct ip {
        u_int8_t        ip_p;           /* protocol */
        u_int16_t       ip_sum;         /* checksum */
        struct  in_addr ip_src,ip_dst;  /* source and dest address */
-};
+} UNALIGNED;
 
 #define        IP_MAXPACKET    65535           /* maximum packet size */
 
@@ -102,10 +102,12 @@ struct ip {
 
 #define        IPOPT_RR                7               /* record packet route */
 #define        IPOPT_TS                68              /* timestamp */
+#define        IPOPT_RFC1393           82              /* traceroute RFC 1393 */
 #define        IPOPT_SECURITY          130             /* provide s,c,h,tcc */
 #define        IPOPT_LSRR              131             /* loose source route */
 #define        IPOPT_SATID             136             /* satnet id */
 #define        IPOPT_SSRR              137             /* strict source route */
+#define IPOPT_RA                148             /* router-alert, rfc2113 */
 
 /*
  * Offsets to fields in options other than EOL and NOP.
@@ -132,7 +134,7 @@ struct      ip_timestamp {
                        u_int32_t ipt_time;
                } ipt_ta[1];
        } ipt_timestamp;
-};
+} UNALIGNED;
 
 /* flag bits for ipt_flg */
 #define        IPOPT_TS_TSONLY         0               /* timestamps only */
@@ -159,4 +161,4 @@ struct      ip_timestamp {
 #define        IP_MSS          576             /* default maximum segment size */
 
 /* in print-ip.c */
-extern u_int32_t ip_finddst(const struct ip *);
+extern int nextproto4_cksum(const struct ip *, const u_int8_t *, u_int, u_int);