1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2022 Alexander V. Chernikov <melifaro@FreeBSD.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * This file contains definitions shared among NETLINK_ROUTE family 30 */ 31 #ifndef _NETLINK_ROUTE_ROUTE_VAR_H_ 32 #define _NETLINK_ROUTE_ROUTE_VAR_H_ 33 34 #include <sys/priv.h> /* values for priv_check */ 35 36 struct nlmsghdr; 37 struct nlpcb; 38 struct nl_pstate; 39 40 typedef int rtnl_msg_cb_f(struct nlmsghdr *hdr, struct nlpcb *nlp, 41 struct nl_pstate *npt); 42 43 struct rtnl_cmd_handler { 44 int cmd; 45 const char *name; 46 rtnl_msg_cb_f *cb; 47 int priv; 48 int flags; 49 }; 50 51 #define RTNL_F_NOEPOCH 0x01 52 53 bool rtnl_register_messages(const struct rtnl_cmd_handler *handlers, int count); 54 55 /* route.c */ 56 struct rib_cmd_info; 57 void rtnl_handle_route_event(uint32_t fibnum, const struct rib_cmd_info *rc); 58 void rtnl_routes_init(void); 59 60 /* neigh.c */ 61 void rtnl_neighs_init(void); 62 void rtnl_neighs_destroy(void); 63 64 /* iface.c */ 65 struct nl_parsed_link { 66 char *ifla_group; 67 char *ifla_ifname; 68 char *ifla_cloner; 69 struct nlattr *ifla_idata; 70 unsigned short ifi_type; 71 int ifi_index; 72 uint32_t ifla_mtu; 73 }; 74 75 typedef int rtnl_iface_create_f(struct nl_parsed_link *lattrs, struct nlpcb *nlp, 76 struct nl_pstate *npt); 77 typedef int rtnl_iface_modify_f(struct nl_parsed_link *lattrs, struct nlpcb *nlp, 78 struct nl_pstate *npt); 79 80 struct nl_cloner { 81 const char *name; 82 rtnl_iface_create_f *create_f; 83 rtnl_iface_modify_f *modify_f; 84 SLIST_ENTRY(nl_cloner) next; 85 }; 86 87 void rtnl_ifaces_init(void); 88 void rtnl_ifaces_destroy(void); 89 void rtnl_iface_add_cloner(struct nl_cloner *cloner); 90 void rtnl_iface_del_cloner(struct nl_cloner *cloner); 91 void rtnl_handle_ifnet_event(struct ifnet *ifp, int if_change_mask); 92 93 /* iface_drivers.c */ 94 void rtnl_iface_drivers_register(void); 95 96 /* nexthop.c */ 97 void rtnl_nexthops_init(void); 98 struct nhop_object *nl_find_nhop(uint32_t fibnum, int family, 99 uint32_t uidx, int nh_flags, int *perror); 100 101 102 #endif 103