More UNALIGNED_MEM{CPY,CMP} on IP addresses.

[tcpdump] / ip.h

diff --git a/ip.h b/ip.h
index dd8bad60b5526faa5649cd21d677c30ff6a16a07..fd8ee92b59743c9f640ec13f0aba32b26d4decca 100644 (file)
--- a/ip.h
+++ b/ip.h
@@ -1,4 +1,3 @@
-/* @(#) $Header: /tcpdump/master/tcpdump/ip.h,v 1.8 2002-07-28 04:14:21 fenner Exp $ (LBL) */
 /*
  * Copyright (c) 1982, 1986, 1993
  *     The Regents of the University of California.  All rights reserved.
@@ -62,7 +61,7 @@ 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 +101,12 @@ 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 +133,7 @@ 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 +160,4 @@ 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);