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_LINK,
  34         TUNNEL_ATTR_FMRS,
  35         TUNNEL_ATTR_DATA,
  36         __TUNNEL_ATTR_MAX
  37 };
  38
  39 extern const struct uci_blob_param_list tunnel_attr_list;
  40
  41 enum vxlan_data {
  42         VXLAN_DATA_ATTR_ID,
  43         VXLAN_DATA_ATTR_PORT,
  44         VXLAN_DATA_ATTR_MACADDR,
  45         __VXLAN_DATA_ATTR_MAX
  46 };
  47
  48 enum gre_data {
  49         GRE_DATA_IKEY,
  50         GRE_DATA_OKEY,
  51         GRE_DATA_ICSUM,
  52         GRE_DATA_OCSUM,
  53         GRE_DATA_ISEQNO,
  54         GRE_DATA_OSEQNO,
  55         __GRE_DATA_ATTR_MAX
  56 };
  57
  58 enum vti_data {
  59         VTI_DATA_IKEY,
  60         VTI_DATA_OKEY,
  61         __VTI_DATA_ATTR_MAX
  62 };
  63
  64 enum sixrd_data {
  65         SIXRD_DATA_PREFIX,
  66         SIXRD_DATA_RELAY_PREFIX,
  67         __SIXRD_DATA_ATTR_MAX
  68 };
  69
  70 extern const struct uci_blob_param_list vxlan_data_attr_list;
  71 extern const struct uci_blob_param_list gre_data_attr_list;
  72 extern const struct uci_blob_param_list vti_data_attr_list;
  73 extern const struct uci_blob_param_list sixrd_data_attr_list;
  74
  75 enum bridge_opt {
  76         /* stp and forward delay always set */
  77         BRIDGE_OPT_AGEING_TIME              = (1 << 0),
  78         BRIDGE_OPT_HELLO_TIME               = (1 << 1),
  79         BRIDGE_OPT_MAX_AGE                  = (1 << 2),
  80         BRIDGE_OPT_ROBUSTNESS               = (1 << 3),
  81         BRIDGE_OPT_QUERY_INTERVAL           = (1 << 4),
  82         BRIDGE_OPT_QUERY_RESPONSE_INTERVAL  = (1 << 5),
  83         BRIDGE_OPT_LAST_MEMBER_INTERVAL     = (1 << 6),
  84 };
  85
  86 struct bridge_config {
  87         enum bridge_opt flags;
  88         bool stp;
  89
  90         bool igmp_snoop;
  91         bool multicast_querier;
  92         int robustness;
  93         int query_interval;
  94         int query_response_interval;
  95         int last_member_interval;
  96
  97         unsigned short priority;
  98         int forward_delay;
  99         bool bridge_empty;
 100
 101         int ageing_time;
 102         int hello_time;
 103         int max_age;
 104         int hash_max;
 105 };
 106
 107 enum macvlan_opt {
 108         MACVLAN_OPT_MACADDR = (1 << 0),
 109 };
 110
 111 struct macvlan_config {
 112         const char *mode;
 113
 114         enum macvlan_opt flags;
 115         unsigned char macaddr[6];
 116 };
 117
 118 enum veth_opt {
 119         VETH_OPT_MACADDR = (1 << 0),
 120         VETH_OPT_PEER_NAME = (1 << 1),
 121         VETH_OPT_PEER_MACADDR = (1 << 2),
 122 };
 123
 124 struct veth_config {
 125         enum veth_opt flags;
 126
 127         unsigned char macaddr[6];
 128         char peer_name[IFNAMSIZ];
 129         unsigned char peer_macaddr[6];
 130 };
 131
 132 enum vlan_proto {
 133         VLAN_PROTO_8021Q = 0x8100,
 134         VLAN_PROTO_8021AD = 0x88A8
 135 };
 136
 137 struct vlandev_config {
 138         enum vlan_proto proto;
 139         uint16_t vid;
 140 };
 141
 142 static inline int system_get_addr_family(unsigned int flags)
 143 {
 144         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
 145                 return AF_INET6;
 146         else
 147                 return AF_INET;
 148 }
 149
 150 static inline int system_get_addr_len(unsigned int flags)
 151 {
 152         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
 153                 return sizeof(struct in_addr);
 154         else
 155                 return sizeof(struct in6_addr);
 156 }
 157
 158 int system_init(void);
 159
 160 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
 161 int system_bridge_delbr(struct device *bridge);
 162 int system_bridge_addif(struct device *bridge, struct device *dev);
 163 int system_bridge_delif(struct device *bridge, struct device *dev);
 164
 165 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
 166 int system_macvlan_del(struct device *macvlan);
 167
 168 int system_veth_add(struct device *veth, struct veth_config *cfg);
 169 int system_veth_del(struct device *veth);
 170
 171 int system_vlan_add(struct device *dev, int id);
 172 int system_vlan_del(struct device *dev);
 173
 174 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
 175 int system_vlandev_del(struct device *vlandev);
 176
 177 void system_if_get_settings(struct device *dev, struct device_settings *s);
 178 void system_if_clear_state(struct device *dev);
 179 int system_if_up(struct device *dev);
 180 int system_if_down(struct device *dev);
 181 int system_if_check(struct device *dev);
 182 int system_if_resolve(struct device *dev);
 183
 184 int system_if_dump_info(struct device *dev, struct blob_buf *b);
 185 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
 186 struct device *system_if_get_parent(struct device *dev);
 187 bool system_if_force_external(const char *ifname);
 188 void system_if_apply_settings(struct device *dev, struct device_settings *s,
 189                               unsigned int apply_mask);
 190
 191 int system_add_address(struct device *dev, struct device_addr *addr);
 192 int system_del_address(struct device *dev, struct device_addr *addr);
 193
 194 int system_add_route(struct device *dev, struct device_route *route);
 195 int system_del_route(struct device *dev, struct device_route *route);
 196 int system_flush_routes(void);
 197
 198 bool system_resolve_rt_type(const char *type, unsigned int *id);
 199 bool system_resolve_rt_proto(const char *type, unsigned int *id);
 200 bool system_resolve_rt_table(const char *name, unsigned int *id);
 201 bool system_is_default_rt_table(unsigned int id);
 202 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
 203
 204 int system_del_ip_tunnel(const char *name, struct blob_attr *attr);
 205 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
 206
 207 int system_add_iprule(struct iprule *rule);
 208 int system_del_iprule(struct iprule *rule);
 209 int system_flush_iprules(void);
 210
 211 bool system_resolve_iprule_action(const char *action, unsigned int *id);
 212
 213 time_t system_get_rtime(void);
 214
 215 void system_fd_set_cloexec(int fd);
 216
 217 int system_update_ipv6_mtu(struct device *dev, int mtu);
 218
 219 #endif