1 /* 2 * netlink/route/route.h Routes 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation version 2.1 7 * of the License. 8 * 9 * Copyright (c) 2003-2012 Thomas Graf <tgraf@suug.ch> 10 */ 11 12 #ifndef NETLINK_ROUTE_H_ 13 #define NETLINK_ROUTE_H_ 14 15 #include <netlink/netlink.h> 16 #include <netlink/cache.h> 17 #include <netlink/addr.h> 18 #include <netlink/data.h> 19 #include <netlink/route/nexthop.h> 20 #include <netlink/route/rtnl.h> 21 #include <linux/in_route.h> 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 /** 28 * @ingroup route 29 * When passed to rtnl_route_alloc_cache() the cache will 30 * correspond to the contents of the routing cache instead 31 * of the actual routes. 32 */ 33 #define ROUTE_CACHE_CONTENT 1 34 35 struct rtnl_route; 36 37 struct rtnl_rtcacheinfo 38 { 39 uint32_t rtci_clntref; 40 uint32_t rtci_last_use; 41 uint32_t rtci_expires; 42 int32_t rtci_error; 43 uint32_t rtci_used; 44 uint32_t rtci_id; 45 uint32_t rtci_ts; 46 uint32_t rtci_tsage; 47 }; 48 49 extern struct nl_object_ops route_obj_ops; 50 51 extern struct rtnl_route * rtnl_route_alloc(void); 52 extern void rtnl_route_put(struct rtnl_route *); 53 extern int rtnl_route_alloc_cache(struct nl_sock *, int, int, 54 struct nl_cache **); 55 56 extern void rtnl_route_get(struct rtnl_route *); 57 58 extern int rtnl_route_parse(struct nlmsghdr *, struct rtnl_route **); 59 extern int rtnl_route_build_msg(struct nl_msg *, struct rtnl_route *); 60 61 extern int rtnl_route_build_add_request(struct rtnl_route *, int, 62 struct nl_msg **); 63 extern int rtnl_route_add(struct nl_sock *, struct rtnl_route *, int); 64 extern int rtnl_route_build_del_request(struct rtnl_route *, int, 65 struct nl_msg **); 66 extern int rtnl_route_delete(struct nl_sock *, struct rtnl_route *, int); 67 68 extern void rtnl_route_set_table(struct rtnl_route *, uint32_t); 69 extern uint32_t rtnl_route_get_table(struct rtnl_route *); 70 extern void rtnl_route_set_scope(struct rtnl_route *, uint8_t); 71 extern uint8_t rtnl_route_get_scope(struct rtnl_route *); 72 extern void rtnl_route_set_tos(struct rtnl_route *, uint8_t); 73 extern uint8_t rtnl_route_get_tos(struct rtnl_route *); 74 extern void rtnl_route_set_protocol(struct rtnl_route *, uint8_t); 75 extern uint8_t rtnl_route_get_protocol(struct rtnl_route *); 76 extern void rtnl_route_set_priority(struct rtnl_route *, uint32_t); 77 extern uint32_t rtnl_route_get_priority(struct rtnl_route *); 78 extern int rtnl_route_set_family(struct rtnl_route *, uint8_t); 79 extern uint8_t rtnl_route_get_family(struct rtnl_route *); 80 extern int rtnl_route_set_type(struct rtnl_route *, uint8_t); 81 extern uint8_t rtnl_route_get_type(struct rtnl_route *); 82 extern void rtnl_route_set_flags(struct rtnl_route *, uint32_t); 83 extern void rtnl_route_unset_flags(struct rtnl_route *, uint32_t); 84 extern uint32_t rtnl_route_get_flags(struct rtnl_route *); 85 extern int rtnl_route_set_metric(struct rtnl_route *, int, unsigned int); 86 extern int rtnl_route_unset_metric(struct rtnl_route *, int); 87 extern int rtnl_route_get_metric(struct rtnl_route *, int, uint32_t *); 88 extern int rtnl_route_set_dst(struct rtnl_route *, struct nl_addr *); 89 extern struct nl_addr *rtnl_route_get_dst(struct rtnl_route *); 90 extern int rtnl_route_set_src(struct rtnl_route *, struct nl_addr *); 91 extern struct nl_addr *rtnl_route_get_src(struct rtnl_route *); 92 extern int rtnl_route_set_pref_src(struct rtnl_route *, struct nl_addr *); 93 extern struct nl_addr *rtnl_route_get_pref_src(struct rtnl_route *); 94 extern void rtnl_route_set_iif(struct rtnl_route *, int); 95 extern int rtnl_route_get_iif(struct rtnl_route *); 96 extern int rtnl_route_get_src_len(struct rtnl_route *); 97 98 extern void rtnl_route_add_nexthop(struct rtnl_route *, 99 struct rtnl_nexthop *); 100 extern void rtnl_route_remove_nexthop(struct rtnl_route *, 101 struct rtnl_nexthop *); 102 extern struct nl_list_head *rtnl_route_get_nexthops(struct rtnl_route *); 103 extern int rtnl_route_get_nnexthops(struct rtnl_route *); 104 105 extern void rtnl_route_foreach_nexthop(struct rtnl_route *r, 106 void (*cb)(struct rtnl_nexthop *, void *), 107 void *arg); 108 109 extern struct rtnl_nexthop * rtnl_route_nexthop_n(struct rtnl_route *r, int n); 110 111 extern int rtnl_route_guess_scope(struct rtnl_route *); 112 113 extern char * rtnl_route_table2str(int, char *, size_t); 114 extern int rtnl_route_str2table(const char *); 115 extern int rtnl_route_read_table_names(const char *); 116 117 extern char * rtnl_route_proto2str(int, char *, size_t); 118 extern int rtnl_route_str2proto(const char *); 119 extern int rtnl_route_read_protocol_names(const char *); 120 121 extern char * rtnl_route_metric2str(int, char *, size_t); 122 extern int rtnl_route_str2metric(const char *); 123 124 #ifdef __cplusplus 125 } 126 #endif 127 128 #endif 129