1/* 2 * Linux INET6 implementation 3 * 4 * Authors: 5 * Pedro Roque <roque@di.fc.ul.pt> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 10 * 2 of the License, or (at your option) any later version. 11 */ 12 13#ifndef _LINUX_IPV6_ROUTE_H 14#define _LINUX_IPV6_ROUTE_H 15 16#define RTF_DEFAULT 0x00010000 /* default - learned via ND */ 17#define RTF_ALLONLINK 0x00020000 /* (deprecated and will be removed) 18 fallback, no routers on link */ 19#define RTF_ADDRCONF 0x00040000 /* addrconf route - RA */ 20#define RTF_PREFIX_RT 0x00080000 /* A prefix only route - RA */ 21#define RTF_ANYCAST 0x00100000 /* Anycast */ 22 23#define RTF_NONEXTHOP 0x00200000 /* route with no nexthop */ 24#define RTF_EXPIRES 0x00400000 25 26#define RTF_ROUTEINFO 0x00800000 /* route information - RA */ 27 28#define RTF_CACHE 0x01000000 /* cache entry */ 29#define RTF_FLOW 0x02000000 /* flow significant route */ 30#define RTF_POLICY 0x04000000 /* policy route */ 31 32#define RTF_PREF(pref) ((pref) << 27) 33#define RTF_PREF_MASK 0x18000000 34 35#define RTF_LOCAL 0x80000000 36 37#ifdef __KERNEL__ 38#define IPV6_EXTRACT_PREF(flag) (((flag) & RTF_PREF_MASK) >> 27) 39#define IPV6_DECODE_PREF(pref) ((pref) ^ 2) /* 1:low,2:med,3:high */ 40#endif 41 42struct in6_rtmsg { 43 struct in6_addr rtmsg_dst; 44 struct in6_addr rtmsg_src; 45 struct in6_addr rtmsg_gateway; 46 __u32 rtmsg_type; 47 __u16 rtmsg_dst_len; 48 __u16 rtmsg_src_len; 49 __u32 rtmsg_metric; 50 unsigned long rtmsg_info; 51 __u32 rtmsg_flags; 52 int rtmsg_ifindex; 53}; 54 55#define RTMSG_NEWDEVICE 0x11 56#define RTMSG_DELDEVICE 0x12 57#define RTMSG_NEWROUTE 0x21 58#define RTMSG_DELROUTE 0x22 59 60#endif 61