system.h

   1 /*
   2  * netifd - network interface daemon
   3  * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14 #ifndef __NETIFD_SYSTEM_H
  15 #define __NETIFD_SYSTEM_H
  16
  17 #include <net/if.h>
  18 #include <sys/time.h>
  19 #include <sys/socket.h>
  20 #include <arpa/inet.h>
  21 #include "device.h"
  22 #include "interface-ip.h"
  23 #include "iprule.h"
  24
  25 enum tunnel_param {
  26         TUNNEL_ATTR_TYPE,
  27         TUNNEL_ATTR_REMOTE,
  28         TUNNEL_ATTR_LOCAL,
  29         TUNNEL_ATTR_MTU,
  30         TUNNEL_ATTR_DF,
  31         TUNNEL_ATTR_TTL,
  32         TUNNEL_ATTR_TOS,
  33         TUNNEL_ATTR_6RD_PREFIX,
  34         TUNNEL_ATTR_6RD_RELAY_PREFIX,
  35         TUNNEL_ATTR_LINK,
  36         TUNNEL_ATTR_FMRS,
  37         TUNNEL_ATTR_INFO,
  38         __TUNNEL_ATTR_MAX
  39 };
  40
  41 extern const struct uci_blob_param_list tunnel_attr_list;
  42
  43 enum bridge_opt {
  44         /* stp and forward delay always set */
  45         BRIDGE_OPT_AGEING_TIME              = (1 << 0),
  46         BRIDGE_OPT_HELLO_TIME               = (1 << 1),
  47         BRIDGE_OPT_MAX_AGE                  = (1 << 2),
  48         BRIDGE_OPT_ROBUSTNESS               = (1 << 3),
  49         BRIDGE_OPT_QUERY_INTERVAL           = (1 << 4),
  50         BRIDGE_OPT_QUERY_RESPONSE_INTERVAL  = (1 << 5),
  51         BRIDGE_OPT_LAST_MEMBER_INTERVAL     = (1 << 6),
  52 };
  53
  54 struct bridge_config {
  55         enum bridge_opt flags;
  56         bool stp;
  57
  58         bool igmp_snoop;
  59         bool multicast_querier;
  60         int robustness;
  61         int query_interval;
  62         int query_response_interval;
  63         int last_member_interval;
  64
  65         unsigned short priority;
  66         int forward_delay;
  67         bool bridge_empty;
  68
  69         int ageing_time;
  70         int hello_time;
  71         int max_age;
  72         int hash_max;
  73 };
  74
  75 enum macvlan_opt {
  76         MACVLAN_OPT_MACADDR = (1 << 0),
  77 };
  78
  79 struct macvlan_config {
  80         const char *mode;
  81
  82         enum macvlan_opt flags;
  83         unsigned char macaddr[6];
  84 };
  85
  86 enum veth_opt {
  87         VETH_OPT_MACADDR = (1 << 0),
  88         VETH_OPT_PEER_NAME = (1 << 1),
  89         VETH_OPT_PEER_MACADDR = (1 << 2),
  90 };
  91
  92 struct veth_config {
  93         enum veth_opt flags;
  94
  95         unsigned char macaddr[6];
  96         char peer_name[IFNAMSIZ];
  97         unsigned char peer_macaddr[6];
  98 };
  99
 100 enum vlan_proto {
 101         VLAN_PROTO_8021Q = 0x8100,
 102         VLAN_PROTO_8021AD = 0x88A8
 103 };
 104
 105 struct vlandev_config {
 106         enum vlan_proto proto;
 107         uint16_t vid;
 108 };
 109
 110 static inline int system_get_addr_family(unsigned int flags)
 111 {
 112         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
 113                 return AF_INET6;
 114         else
 115                 return AF_INET;
 116 }
 117
 118 static inline int system_get_addr_len(unsigned int flags)
 119 {
 120         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
 121                 return sizeof(struct in_addr);
 122         else
 123                 return sizeof(struct in6_addr);
 124 }
 125
 126 int system_init(void);
 127
 128 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
 129 int system_bridge_delbr(struct device *bridge);
 130 int system_bridge_addif(struct device *bridge, struct device *dev);
 131 int system_bridge_delif(struct device *bridge, struct device *dev);
 132
 133 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
 134 int system_macvlan_del(struct device *macvlan);
 135
 136 int system_veth_add(struct device *veth, struct veth_config *cfg);
 137 int system_veth_del(struct device *veth);
 138
 139 int system_vlan_add(struct device *dev, int id);
 140 int system_vlan_del(struct device *dev);
 141
 142 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
 143 int system_vlandev_del(struct device *vlandev);
 144
 145 void system_if_get_settings(struct device *dev, struct device_settings *s);
 146 void system_if_clear_state(struct device *dev);
 147 int system_if_up(struct device *dev);
 148 int system_if_down(struct device *dev);
 149 int system_if_check(struct device *dev);
 150 int system_if_resolve(struct device *dev);
 151
 152 int system_if_dump_info(struct device *dev, struct blob_buf *b);
 153 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
 154 struct device *system_if_get_parent(struct device *dev);
 155 bool system_if_force_external(const char *ifname);
 156 void system_if_apply_settings(struct device *dev, struct device_settings *s,
 157                               unsigned int apply_mask);
 158
 159 int system_add_address(struct device *dev, struct device_addr *addr);
 160 int system_del_address(struct device *dev, struct device_addr *addr);
 161
 162 int system_add_route(struct device *dev, struct device_route *route);
 163 int system_del_route(struct device *dev, struct device_route *route);
 164 int system_flush_routes(void);
 165
 166 bool system_resolve_rt_type(const char *type, unsigned int *id);
 167 bool system_resolve_rt_proto(const char *type, unsigned int *id);
 168 bool system_resolve_rt_table(const char *name, unsigned int *id);
 169 bool system_is_default_rt_table(unsigned int id);
 170 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
 171
 172 int system_del_ip_tunnel(const char *name, struct blob_attr *attr);
 173 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
 174
 175 int system_add_iprule(struct iprule *rule);
 176 int system_del_iprule(struct iprule *rule);
 177 int system_flush_iprules(void);
 178
 179 bool system_resolve_iprule_action(const char *action, unsigned int *id);
 180
 181 time_t system_get_rtime(void);
 182
 183 void system_fd_set_cloexec(int fd);
 184
 185 int system_update_ipv6_mtu(struct device *device, int mtu);
 186
 187 #endif