connection_t: remove unused compression_level field

[tinc] / src / ipv6.h

diff --git a/src/ipv6.h b/src/ipv6.h
index cc2c5b6..e9c4d26 100644 (file)
--- a/src/ipv6.h
+++ b/src/ipv6.h
@@ -1,3 +1,6 @@
+#ifndef TINC_IPV6_H
+#define TINC_IPV6_H
+
 /*
     ipv6.h -- missing IPv6 related definitions
     Copyright (C) 2005 Ivo Timmermans
@@ -18,8 +21,7 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef __TINC_IPV6_H__
-#define __TINC_IPV6_H__
+#include "system.h"
 
 #ifndef AF_INET6
 #define AF_INET6 10
@@ -32,12 +34,12 @@
 #ifndef IN6_IS_ADDR_V4MAPPED
 #define IN6_IS_ADDR_V4MAPPED(a) \
        ((((__const uint32_t *) (a))[0] == 0) \
-       && (((__const uint32_t *) (a))[1] == 0) \
-       && (((__const uint32_t *) (a))[2] == htonl (0xffff)))
+        && (((__const uint32_t *) (a))[1] == 0) \
+        && (((__const uint32_t *) (a))[2] == htonl (0xffff)))
 #endif
 
 #ifndef HAVE_STRUCT_IP6_HDR
-struct ip6_hdr {
+PACKED(struct ip6_hdr {
        union {
                struct ip6_hdrctl {
                        uint32_t ip6_un1_flow;
@@ -49,7 +51,7 @@ struct ip6_hdr {
        } ip6_ctlun;
        struct in6_addr ip6_src;
        struct in6_addr ip6_dst;
-} __attribute__ ((__gcc_struct__, __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
@@ -58,8 +60,10 @@ struct ip6_hdr {
 #define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim
 #endif
 
+STATIC_ASSERT(sizeof(struct ip6_hdr) == 40, "ip6_hdr has incorrect size");
+
 #ifndef HAVE_STRUCT_ICMP6_HDR
-struct icmp6_hdr {
+PACKED(struct icmp6_hdr {
        uint8_t icmp6_type;
        uint8_t icmp6_code;
        uint16_t icmp6_cksum;
@@ -68,7 +72,7 @@ struct icmp6_hdr {
                uint16_t icmp6_un_data16[2];
                uint8_t icmp6_un_data8[4];
        } icmp6_dataun;
-} __attribute__ ((__gcc_struct__, __packed__));
+});
 #define ICMP6_DST_UNREACH_NOROUTE 0
 #define ICMP6_DST_UNREACH 1
 #define ICMP6_PACKET_TOO_BIG 2
@@ -84,11 +88,13 @@ struct icmp6_hdr {
 #define icmp6_mtu icmp6_data32[0]
 #endif
 
+STATIC_ASSERT(sizeof(struct icmp6_hdr) == 8, "icmp6_hdr has incorrect size");
+
 #ifndef HAVE_STRUCT_ND_NEIGHBOR_SOLICIT
-struct nd_neighbor_solicit {
+PACKED(struct nd_neighbor_solicit {
        struct icmp6_hdr nd_ns_hdr;
        struct in6_addr nd_ns_target;
-} __attribute__ ((__gcc_struct__, __packed__));
+});
 #define ND_OPT_SOURCE_LINKADDR 1
 #define ND_OPT_TARGET_LINKADDR 2
 #define nd_ns_type nd_ns_hdr.icmp6_type
@@ -97,11 +103,15 @@ struct nd_neighbor_solicit {
 #define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
 #endif
 
+STATIC_ASSERT(sizeof(struct nd_neighbor_solicit) == 24, "nd_neighbor_solicit has incorrect size");
+
 #ifndef HAVE_STRUCT_ND_OPT_HDR
-struct nd_opt_hdr {
+PACKED(struct nd_opt_hdr {
        uint8_t nd_opt_type;
        uint8_t nd_opt_len;
-} __attribute__ ((__gcc_struct__, __packed__));
+});
 #endif
 
-#endif /* __TINC_IPV6_H__ */
+STATIC_ASSERT(sizeof(struct nd_opt_hdr) == 2, "nd_opt_hdr has incorrect size");
+
+#endif