| /* |
| * Simplified Interface To NetLink |
| * |
| * Copyright (C) 2016-2018 Antonio Quartulli <a@unstable.cc> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 |
| * as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program (see the file COPYING included with this |
| * distribution); if not, write to the Free Software Foundation, Inc., |
| * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #ifndef SITNL_H_ |
| #define SITNL_H_ |
| |
| #ifdef TARGET_LINUX |
| |
| #include <stdbool.h> |
| #include <netinet/in.h> |
| |
| /** |
| * Bring interface up or down. |
| * |
| * @param iface the interface to modify |
| * @param up true if the interface has to be brought up, false otherwise |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_iface_up(const char *iface, bool up); |
| |
| /** |
| * Set the MTU for an interface |
| * |
| * @param iface the interface to modify |
| * @param mtru the new MTU |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_iface_mtu_set(const char *iface, uint32_t mtu); |
| |
| /** |
| * Add an IPv4 address to an interface |
| * |
| * @param iface the interface where the address has to be added |
| * @param addr the address to add |
| * @param prefixlen the prefix length of the network associated with the address |
| * @param broadcast the broadcast address to configure on the interface |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_addr_v4_add(const char *iface, const in_addr_t *addr, int prefixlen, |
| const in_addr_t *broadcast); |
| |
| /** |
| * Add an IPv6 address to an interface |
| * |
| * @param iface the interface where the address has to be added |
| * @param addr the address to add |
| * @param prefixlen the prefix length of the network associated with the address |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| |
| int sitnl_addr_v6_add(const char *iface, const struct in6_addr *addr, |
| int prefixlen); |
| |
| /** |
| * Remove an IPv4 from an interface |
| * |
| * @param iface the interface to remove the address from |
| * @param prefixlen the prefix length of the network associated with the address |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_addr_v4_del(const char *iface, const in_addr_t *addr, int prefixlen); |
| |
| /** |
| * Remove an IPv6 from an interface |
| * |
| * @param iface the interface to remove the address from |
| * @param prefixlen the prefix length of the network associated with the address |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_addr_v6_del(const char *iface, const struct in6_addr *addr, |
| int prefixlen); |
| |
| /** |
| * Add a point-to-point IPv4 address to an interface |
| * |
| * @param iface the interface where the address has to be added |
| * @param local the address to add |
| * @param remote the associated p-t-p remote address |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_addr_ptp_v4_add(const char *iface, const in_addr_t *local, |
| const in_addr_t *remote); |
| |
| /** |
| * Remove a point-to-point IPv4 address from an interface |
| * |
| * @param iface the interface to remove the address from |
| * @param local the address to remove |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_addr_ptp_v4_del(const char *iface, const in_addr_t *local); |
| |
| |
| /** |
| * Add a route for an IPv4 address/network |
| * |
| * @param dst the destination of the route |
| * @param prefixlen the length of the prefix of the destination |
| * @param gw the gateway for this route |
| * @param iface the interface for this route (can be NULL) |
| * @param table the table to add this route to (if 0, will be added to the |
| * main table) |
| * @param metric the metric associated with the route |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_route_v4_add(const in_addr_t *dst, int prefixlen, |
| const in_addr_t *gw, const char *iface, uint32_t table, |
| int metric); |
| |
| /** |
| * Add a route for an IPv6 address/network |
| * |
| * @param dst the destination of the route |
| * @param prefixlen the length of the prefix of the destination |
| * @param gw the gateway for this route |
| * @param iface the interface for this route (can be NULL) |
| * @param table the table to add this route to (if 0, will be added to the |
| * main table) |
| * @param metric the metric associated with the route |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_route_v6_add(const struct in6_addr *dst, int prefixlen, |
| const struct in6_addr *gw, const char *iface, |
| uint32_t table, int metric); |
| |
| /** |
| * Delete a route for an IPv4 address/network |
| * |
| * @param dst the destination of the route |
| * @param prefixlen the length of the prefix of the destination |
| * @param gw the gateway for this route |
| * @param iface the interface for this route (can be NULL) |
| * @param table the table to add this route to (if 0, will be added to the |
| * main table) |
| * @param metric the metric associated with the route |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_route_v4_del(const in_addr_t *dst, int prefixlen, |
| const in_addr_t *gw, const char *iface, uint32_t table, |
| int metric); |
| |
| /** |
| * Delete a route for an IPv4 address/network |
| * |
| * @param dst the destination of the route |
| * @param prefixlen the length of the prefix of the destination |
| * @param gw the gateway for this route |
| * @param iface the interface for this route (can be NULL) |
| * @param table the table to add this route to (if 0, will be added to the |
| * main table) |
| * @param metric the metric associated with the route |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_route_v6_del(const struct in6_addr *dst, int prefixlen, |
| const struct in6_addr *gw, const char *iface, |
| uint32_t table, int metric); |
| |
| /** |
| * Retrieve the gateway and outgoing interface for the specified IPv4 |
| * address/network |
| * |
| * @param dst The destination to lookup |
| * @param prefixlen The length of the prefix of the destination |
| * @param best_gw Location where the retrieved GW has to be stored |
| * @param best_iface Location where the retrieved interface has to be stored |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_route_v4_best_gw(const in_addr_t *dst, int prefixlen, |
| in_addr_t *best_gw, char *best_iface); |
| |
| /** |
| * Retrieve the gateway and outgoing interface for the specified IPv6 |
| * address/network |
| * |
| * @param dst The destination to lookup |
| * @param prefixlen The length of the prefix of the destination |
| * @param best_gw Location where the retrieved GW has to be stored |
| * @param best_iface Location where the retrieved interface has to be stored |
| * |
| * @return 0 on success, a negative error code otherwise |
| */ |
| int sitnl_route_v6_best_gw(const struct in6_addr *dst, int prefixlen, |
| struct in6_addr *best_gw, char *best_iface); |
| |
| #endif /* TARGET_LINUX */ |
| |
| #endif /* SITNL_H_ */ |