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 #include <linux/types.h> 17 18 #define RTF_DEFAULT 0x00010000 /* default - learned via ND */ 19 #define RTF_ALLONLINK 0x00020000 /* (deprecated and will be removed) 20 fallback, no routers on link */ 21 #define RTF_ADDRCONF 0x00040000 /* addrconf route - RA */ 22 #define RTF_PREFIX_RT 0x00080000 /* A prefix only route - RA */ 23 #define RTF_ANYCAST 0x00100000 /* Anycast */ 24 25 #define RTF_NONEXTHOP 0x00200000 /* route with no nexthop */ 26 #define RTF_EXPIRES 0x00400000 27 28 #define RTF_ROUTEINFO 0x00800000 /* route information - RA */ 29 30 #define RTF_CACHE 0x01000000 /* cache entry */ 31 #define RTF_FLOW 0x02000000 /* flow significant route */ 32 #define RTF_POLICY 0x04000000 /* policy route */ 33 34 #define RTF_PREF(pref) ((pref) << 27) 35 #define RTF_PREF_MASK 0x18000000 36 37 #define RTF_LOCAL 0x80000000 38 39 #ifdef __KERNEL__ 40 #define IPV6_EXTRACT_PREF(flag) (((flag) & RTF_PREF_MASK) >> 27) 41 #define IPV6_DECODE_PREF(pref) ((pref) ^ 2) /* 1:low,2:med,3:high */ 42 #endif 43 44 struct in6_rtmsg { 45 struct in6_addr rtmsg_dst; 46 struct in6_addr rtmsg_src; 47 struct in6_addr rtmsg_gateway; 48 __u32 rtmsg_type; 49 __u16 rtmsg_dst_len; 50 __u16 rtmsg_src_len; 51 __u32 rtmsg_metric; 52 unsigned long rtmsg_info; 53 __u32 rtmsg_flags; 54 int rtmsg_ifindex; 55 }; 56 57 #define RTMSG_NEWDEVICE 0x11 58 #define RTMSG_DELDEVICE 0x12 59 #define RTMSG_NEWROUTE 0x21 60 #define RTMSG_DELROUTE 0x22 61 62 #endif 63