Support tunneling IPv6 on Solaris.

[tinc] / lib / ipv4.h

diff --git a/lib/ipv4.h b/lib/ipv4.h
index 39d914e..7f1e159 100644 (file)
--- a/lib/ipv4.h
+++ b/lib/ipv4.h
@@ -1,7 +1,7 @@
 /*
     ipv4.h -- missing IPv4 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: ipv4.h,v 1.1.2.2 2003/07/18 13:42:35 guus Exp $
+    $Id$
 */
 
 #ifndef __TINC_IPV4_H__
@@ -35,6 +35,10 @@
 #define ICMP_DEST_UNREACH 3
 #endif
 
+#ifndef ICMP_FRAG_NEEDED
+#define ICMP_FRAG_NEEDED 4
+#endif
+
 #ifndef ICMP_NET_UNKNOWN
 #define ICMP_NET_UNKNOWN 6
 #endif
@@ -57,18 +61,21 @@ struct ip {
        unsigned int ip_hl:4;
 #endif
        uint8_t ip_tos;
-       u_short ip_len;
-       u_short ip_id; 
-       u_short ip_off;
+       uint16_t ip_len;
+       uint16_t ip_id; 
+       uint16_t ip_off;
 #define IP_RF 0x8000
 #define IP_DF 0x4000
 #define IP_MF 0x2000
-#define IP_OFFMASK 0x1fff
        uint8_t ip_ttl;
        uint8_t ip_p;
-       u_short ip_sum;
+       uint16_t ip_sum;
        struct in_addr ip_src, ip_dst;
-};
+} __attribute__ ((__packed__));
+#endif
+
+#ifndef IP_OFFMASK
+#define IP_OFFMASK 0x1fff
 #endif
 
 #ifndef HAVE_STRUCT_ICMP
@@ -77,7 +84,7 @@ struct icmp {
        uint8_t icmp_code;
        uint16_t icmp_cksum;
        union {
-               u_char ih_pptr;
+               uint8_t ih_pptr;
                struct in_addr ih_gwaddr;
                struct ih_idseq {
                        uint16_t icd_id;
@@ -126,7 +133,7 @@ struct icmp {
 #define icmp_radv icmp_dun.id_radv
 #define icmp_mask icmp_dun.id_mask
 #define icmp_data icmp_dun.id_data
-};
+} __attribute__ ((__packed__));
 #endif
 
 #endif /* __TINC_IPV4_H__ */