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/*
* netifd - network interface daemon
* Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
*
* 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.
*/
#ifndef __INTERFACE_IP_H
#define __INTERFACE_IP_H
#include "interface.h"
enum device_addr_flags {
/* address family for routes and addresses */
DEVADDR_INET4 = (0 << 0),
DEVADDR_INET6 = (1 << 0),
DEVADDR_FAMILY = DEVADDR_INET4 | DEVADDR_INET6,
/* externally added address */
DEVADDR_EXTERNAL = (1 << 2),
/* route overrides the default interface metric */
DEVROUTE_METRIC = (1 << 3),
/* route overrides the default interface mtu */
DEVROUTE_MTU = (1 << 4),
/* route automatically added by kernel */
DEVADDR_KERNEL = (1 << 5),
/* address is off-link (no subnet-route) */
DEVADDR_OFFLINK = (1 << 6),
/* route resides in different table */
DEVROUTE_TABLE = (1 << 7),
/* route resides in default source-route table */
DEVROUTE_SRCTABLE = (1 << 8),
};
union if_addr {
struct in_addr in;
struct in6_addr in6;
};
struct device_prefix_assignment {
struct list_head head;
int32_t assigned;
uint8_t length;
bool enabled;
char name[];
};
struct device_prefix {
struct vlist_node node;
struct list_head head;
struct list_head assignments;
struct interface *iface;
time_t valid_until;
time_t preferred_until;
struct in6_addr excl_addr;
uint8_t excl_length;
struct in6_addr addr;
uint8_t length;
char pclass[];
};
struct device_addr {
struct vlist_node node;
bool enabled;
/* ipv4 only */
uint32_t broadcast;
uint32_t point_to_point;
/* ipv6 only */
time_t valid_until;
time_t preferred_until;
/* must be last */
enum device_addr_flags flags;
unsigned int mask;
union if_addr addr;
};
struct device_route {
struct vlist_node node;
struct interface *iface;
bool enabled;
bool keep;
union if_addr nexthop;
int mtu;
time_t valid_until;
/* must be last */
enum device_addr_flags flags;
int metric; // there can be multiple routes to the same target
unsigned int table;
unsigned int mask;
unsigned int sourcemask;
union if_addr addr;
union if_addr source;
};
struct device_source_table {
struct list_head head;
uint32_t table;
uint16_t refcount;
uint8_t v6;
uint8_t mask;
union if_addr addr;
};
struct dns_server {
struct vlist_simple_node node;
int af;
union if_addr addr;
};
struct dns_search_domain {
struct vlist_simple_node node;
char name[];
};
extern const struct uci_blob_param_list route_attr_list;
extern struct list_head prefixes;
void interface_ip_init(struct interface *iface);
void interface_add_dns_server(struct interface_ip_settings *ip, const char *str);
void interface_add_dns_server_list(struct interface_ip_settings *ip, struct blob_attr *list);
void interface_add_dns_search_list(struct interface_ip_settings *ip, struct blob_attr *list);
void interface_write_resolv_conf(void);
void interface_ip_add_route(struct interface *iface, struct blob_attr *attr, bool v6);
void interface_ip_update_start(struct interface_ip_settings *ip);
void interface_ip_update_complete(struct interface_ip_settings *ip);
void interface_ip_flush(struct interface_ip_settings *ip);
void interface_ip_set_enabled(struct interface_ip_settings *ip, bool enabled);
void interface_ip_update_metric(struct interface_ip_settings *ip, int metric);
struct interface *interface_ip_add_target_route(union if_addr *addr, bool v6, struct interface *iface);
struct device_prefix* interface_ip_add_device_prefix(struct interface *iface,
struct in6_addr *addr, uint8_t length, time_t valid_until, time_t preferred_until,
struct in6_addr *excl_addr, uint8_t excl_length, const char *pclass);
void interface_ip_set_ula_prefix(const char *prefix);
void interface_refresh_assignments(bool hint);
#endif
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