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_DATA,
  39         __TUNNEL_ATTR_MAX
  40 };
  41
  42 extern const struct uci_blob_param_list tunnel_attr_list;
  43
  44 enum vxlan_data {
  45         VXLAN_DATA_ATTR_ID,
  46         VXLAN_DATA_ATTR_PORT,
  47         VXLAN_DATA_ATTR_MACADDR,
  48         __VXLAN_DATA_ATTR_MAX
  49 };
  50
  51 extern const struct uci_blob_param_list vxlan_data_attr_list;
  52
  53 enum bridge_opt {
  54         /* stp and forward delay always set */
  55         BRIDGE_OPT_AGEING_TIME              = (1 << 0),
  56         BRIDGE_OPT_HELLO_TIME               = (1 << 1),
  57         BRIDGE_OPT_MAX_AGE                  = (1 << 2),
  58         BRIDGE_OPT_ROBUSTNESS               = (1 << 3),
  59         BRIDGE_OPT_QUERY_INTERVAL           = (1 << 4),
  60         BRIDGE_OPT_QUERY_RESPONSE_INTERVAL  = (1 << 5),
  61         BRIDGE_OPT_LAST_MEMBER_INTERVAL     = (1 << 6),
  62 };
  63
  64 struct bridge_config {
  65         enum bridge_opt flags;
  66         bool stp;
  67
  68         bool igmp_snoop;
  69         bool multicast_querier;
  70         int robustness;
  71         int query_interval;
  72         int query_response_interval;
  73         int last_member_interval;
  74
  75         unsigned short priority;
  76         int forward_delay;
  77         bool bridge_empty;
  78
  79         int ageing_time;
  80         int hello_time;
  81         int max_age;
  82         int hash_max;
  83 };
  84
  85 enum macvlan_opt {
  86         MACVLAN_OPT_MACADDR = (1 << 0),
  87 };
  88
  89 struct macvlan_config {
  90         const char *mode;
  91
  92         enum macvlan_opt flags;
  93         unsigned char macaddr[6];
  94 };
  95
  96 enum veth_opt {
  97         VETH_OPT_MACADDR = (1 << 0),
  98         VETH_OPT_PEER_NAME = (1 << 1),
  99         VETH_OPT_PEER_MACADDR = (1 << 2),
 100 };
 101
 102 struct veth_config {
 103         enum veth_opt flags;
 104
 105         unsigned char macaddr[6];
 106         char peer_name[IFNAMSIZ];
 107         unsigned char peer_macaddr[6];
 108 };
 109
 110 enum vlan_proto {
 111         VLAN_PROTO_8021Q = 0x8100,
 112         VLAN_PROTO_8021AD = 0x88A8
 113 };
 114
 115 struct vlandev_config {
 116         enum vlan_proto proto;
 117         uint16_t vid;
 118 };
 119
 120 static inline int system_get_addr_family(unsigned int flags)
 121 {
 122         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
 123                 return AF_INET6;
 124         else
 125                 return AF_INET;
 126 }
 127
 128 static inline int system_get_addr_len(unsigned int flags)
 129 {
 130         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
 131                 return sizeof(struct in_addr);
 132         else
 133                 return sizeof(struct in6_addr);
 134 }
 135
 136 int system_init(void);
 137
 138 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
 139 int system_bridge_delbr(struct device *bridge);
 140 int system_bridge_addif(struct device *bridge, struct device *dev);
 141 int system_bridge_delif(struct device *bridge, struct device *dev);
 142
 143 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
 144 int system_macvlan_del(struct device *macvlan);
 145
 146 int system_veth_add(struct device *veth, struct veth_config *cfg);
 147 int system_veth_del(struct device *veth);
 148
 149 int system_vlan_add(struct device *dev, int id);
 150 int system_vlan_del(struct device *dev);
 151
 152 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
 153 int system_vlandev_del(struct device *vlandev);
 154
 155 void system_if_get_settings(struct device *dev, struct device_settings *s);
 156 void system_if_clear_state(struct device *dev);
 157 int system_if_up(struct device *dev);
 158 int system_if_down(struct device *dev);
 159 int system_if_check(struct device *dev);
 160 int system_if_resolve(struct device *dev);
 161
 162 int system_if_dump_info(struct device *dev, struct blob_buf *b);
 163 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
 164 struct device *system_if_get_parent(struct device *dev);
 165 bool system_if_force_external(const char *ifname);
 166 void system_if_apply_settings(struct device *dev, struct device_settings *s,
 167                               unsigned int apply_mask);
 168
 169 int system_add_address(struct device *dev, struct device_addr *addr);
 170 int system_del_address(struct device *dev, struct device_addr *addr);
 171
 172 int system_add_route(struct device *dev, struct device_route *route);
 173 int system_del_route(struct device *dev, struct device_route *route);
 174 int system_flush_routes(void);
 175
 176 bool system_resolve_rt_type(const char *type, unsigned int *id);
 177 bool system_resolve_rt_proto(const char *type, unsigned int *id);
 178 bool system_resolve_rt_table(const char *name, unsigned int *id);
 179 bool system_is_default_rt_table(unsigned int id);
 180 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
 181
 182 int system_del_ip_tunnel(const char *name, struct blob_attr *attr);
 183 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
 184
 185 int system_add_iprule(struct iprule *rule);
 186 int system_del_iprule(struct iprule *rule);
 187 int system_flush_iprules(void);
 188
 189 bool system_resolve_iprule_action(const char *action, unsigned int *id);
 190
 191 time_t system_get_rtime(void);
 192
 193 void system_fd_set_cloexec(int fd);
 194
 195 int system_update_ipv6_mtu(struct device *device, int mtu);
 196
 197 #endif