X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Fipv6.h;h=2b83907a28ad1bd54fea93ee34bc21ea0dc4c94f;hp=0db5d0111666dc8fa6fe7c13ac687afadd95d3f9;hb=dced64c5c3625f6d2f0674e9fed14455aabc635e;hpb=c1e8152f4fe5e4557784d8411e50006d461b8786

diff --git a/lib/ipv6.h b/lib/ipv6.h
index 0db5d011..2b83907a 100644
--- a/lib/ipv6.h
+++ b/lib/ipv6.h
@@ -1,7 +1,7 @@
 /*
     ipv6.h -- missing IPv6 related definitions
-    Copyright (C) 2003 Ivo Timmermans <ivo@o2w.nl>
-                  2003 Guus Sliepen <guus@sliepen.eu.org>
+    Copyright (C) 2004 Ivo Timmermans <ivo@tinc-vpn.org>
+                  2004 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: ipv6.h,v 1.1.2.6 2003/07/21 13:14:02 guus Exp $
+    $Id$
 */
 
 #ifndef __TINC_IPV6_H__
@@ -38,7 +38,7 @@ struct in6_addr {
 		uint16_t u6_addr16[8];
 		uint32_t u6_addr32[4];
 	} in6_u;
-};
+} __attribute__ ((__packed__));
 #define s6_addr in6_u.u6_addr8
 #define s6_addr16 in6_u.u6_addr16
 #define s6_addr32 in6_u.u6_addr32
@@ -51,7 +51,7 @@ struct sockaddr_in6 {
 	uint32_t sin6_flowinfo;
 	struct in6_addr sin6_addr;
 	uint32_t sin6_scope_id;
-};
+} __attribute__ ((__packed__));
 #endif
 
 #ifndef IN6_IS_ADDR_V4MAPPED
@@ -74,7 +74,7 @@ struct ip6_hdr {
 	} ip6_ctlun;
 	struct in6_addr ip6_src;
 	struct in6_addr ip6_dst;
-};
+} __attribute__ ((__packed__));
 #define ip6_vfc ip6_ctlun.ip6_un2_vfc
 #define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow
 #define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen
@@ -93,28 +93,37 @@ struct icmp6_hdr {
 		uint16_t icmp6_un_data16[2];
 		uint8_t icmp6_un_data8[4];
 	} icmp6_dataun;
-};
+} __attribute__ ((__packed__));
 #define ICMP6_DST_UNREACH_NOROUTE 0
 #define ICMP6_DST_UNREACH 1
+#define ICMP6_PACKET_TOO_BIG 2
 #define ICMP6_DST_UNREACH_ADDR 3
 #define ND_NEIGHBOR_SOLICIT 135
 #define ND_NEIGHBOR_ADVERT 136
+#define icmp6_data32 icmp6_dataun.icmp6_un_data32
+#define icmp6_data16 icmp6_dataun.icmp6_un_data16
+#define icmp6_data8 icmp6_dataun.icmp6_un_data8
+#define icmp6_mtu icmp6_data32[0]
 #endif
 
 #ifndef HAVE_STRUCT_ND_NEIGHBOR_SOLICIT
 struct nd_neighbor_solicit {
 	struct icmp6_hdr nd_ns_hdr;
 	struct in6_addr nd_ns_target;
-};
+} __attribute__ ((__packed__));
 #define ND_OPT_SOURCE_LINKADDR 1
 #define ND_OPT_TARGET_LINKADDR 2
+#define nd_ns_type nd_ns_hdr.icmp6_type
+#define nd_ns_code nd_ns_hdr.icmp6_code
+#define nd_ns_cksum nd_ns_hdr.icmp6_cksum
+#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
 #endif
 
 #ifndef HAVE_STRUCT_ND_OPT_HDR
 struct nd_opt_hdr {
 	uint8_t nd_opt_type;
 	uint8_t nd_opt_len;
-};
+} __attribute__ ((__packed__));
 #endif
 
 #endif /* __TINC_IPV6_H__ */