1 /* SPDX-License-Identifier: LGPL-2.1-only */ 2 /* 3 * Copyright (c) 2003-2012 Thomas Graf <tgraf@suug.ch> 4 */ 5 6 #ifndef NETLINK_ROUTE_H_ 7 #define NETLINK_ROUTE_H_ 8 9 #include <netlink/netlink.h> 10 #include <netlink/cache.h> 11 #include <netlink/addr.h> 12 #include <netlink/data.h> 13 #include <netlink/route/nexthop.h> 14 #include <netlink/route/rtnl.h> 15 #include <linux/in_route.h> 16 17 #ifdef __cplusplus 18 extern "C" { 19 #endif 20 21 /** 22 * @ingroup route 23 * When passed to rtnl_route_alloc_cache() the cache will 24 * correspond to the contents of the routing cache instead 25 * of the actual routes. 26 */ 27 #define ROUTE_CACHE_CONTENT 1 28 29 struct rtnl_route; 30 31 struct rtnl_rtcacheinfo 32 { 33 uint32_t rtci_clntref; 34 uint32_t rtci_last_use; 35 uint32_t rtci_expires; 36 int32_t rtci_error; 37 uint32_t rtci_used; 38 uint32_t rtci_id; 39 uint32_t rtci_ts; 40 uint32_t rtci_tsage; 41 }; 42 43 extern struct nl_object_ops route_obj_ops; 44 45 extern struct rtnl_route * rtnl_route_alloc(void); 46 extern void rtnl_route_put(struct rtnl_route *); 47 extern int rtnl_route_alloc_cache(struct nl_sock *, int, int, 48 struct nl_cache **); 49 50 extern void rtnl_route_get(struct rtnl_route *); 51 52 extern int rtnl_route_parse(struct nlmsghdr *, struct rtnl_route **); 53 extern int rtnl_route_build_msg(struct nl_msg *, struct rtnl_route *); 54 55 extern int rtnl_route_lookup(struct nl_sock *sk, struct nl_addr *dst, 56 struct rtnl_route **result); 57 58 extern int rtnl_route_build_add_request(struct rtnl_route *, int, 59 struct nl_msg **); 60 extern int rtnl_route_add(struct nl_sock *, struct rtnl_route *, int); 61 extern int rtnl_route_build_del_request(struct rtnl_route *, int, 62 struct nl_msg **); 63 extern int rtnl_route_delete(struct nl_sock *, struct rtnl_route *, int); 64 65 extern void rtnl_route_set_table(struct rtnl_route *, uint32_t); 66 extern uint32_t rtnl_route_get_table(struct rtnl_route *); 67 extern void rtnl_route_set_scope(struct rtnl_route *, uint8_t); 68 extern uint8_t rtnl_route_get_scope(struct rtnl_route *); 69 extern void rtnl_route_set_tos(struct rtnl_route *, uint8_t); 70 extern uint8_t rtnl_route_get_tos(struct rtnl_route *); 71 extern void rtnl_route_set_protocol(struct rtnl_route *, uint8_t); 72 extern uint8_t rtnl_route_get_protocol(struct rtnl_route *); 73 extern void rtnl_route_set_priority(struct rtnl_route *, uint32_t); 74 extern uint32_t rtnl_route_get_priority(struct rtnl_route *); 75 extern int rtnl_route_set_family(struct rtnl_route *, uint8_t); 76 extern uint8_t rtnl_route_get_family(struct rtnl_route *); 77 extern int rtnl_route_set_type(struct rtnl_route *, uint8_t); 78 extern uint8_t rtnl_route_get_type(struct rtnl_route *); 79 extern void rtnl_route_set_flags(struct rtnl_route *, uint32_t); 80 extern void rtnl_route_unset_flags(struct rtnl_route *, uint32_t); 81 extern uint32_t rtnl_route_get_flags(struct rtnl_route *); 82 extern int rtnl_route_set_metric(struct rtnl_route *, int, unsigned int); 83 extern int rtnl_route_unset_metric(struct rtnl_route *, int); 84 extern int rtnl_route_get_metric(struct rtnl_route *, int, uint32_t *); 85 extern int rtnl_route_set_dst(struct rtnl_route *, struct nl_addr *); 86 extern struct nl_addr *rtnl_route_get_dst(struct rtnl_route *); 87 extern int rtnl_route_set_src(struct rtnl_route *, struct nl_addr *); 88 extern struct nl_addr *rtnl_route_get_src(struct rtnl_route *); 89 extern int rtnl_route_set_pref_src(struct rtnl_route *, struct nl_addr *); 90 extern struct nl_addr *rtnl_route_get_pref_src(struct rtnl_route *); 91 extern void rtnl_route_set_iif(struct rtnl_route *, int); 92 extern int rtnl_route_get_iif(struct rtnl_route *); 93 extern int rtnl_route_get_src_len(struct rtnl_route *); 94 extern void rtnl_route_set_ttl_propagate(struct rtnl_route *route, 95 uint8_t ttl_prop); 96 extern int rtnl_route_get_ttl_propagate(struct rtnl_route *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