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_DATA,
  35         __TUNNEL_ATTR_MAX
  36 };
  37
  38 extern const struct uci_blob_param_list tunnel_attr_list;
  39
  40 enum vxlan_data {
  41         VXLAN_DATA_ATTR_ID,
  42         VXLAN_DATA_ATTR_PORT,
  43         VXLAN_DATA_ATTR_MACADDR,
  44         VXLAN_DATA_ATTR_RXCSUM,
  45         VXLAN_DATA_ATTR_TXCSUM,
  46         __VXLAN_DATA_ATTR_MAX
  47 };
  48
  49 enum gre_data {
  50         GRE_DATA_IKEY,
  51         GRE_DATA_OKEY,
  52         GRE_DATA_ICSUM,
  53         GRE_DATA_OCSUM,
  54         GRE_DATA_ISEQNO,
  55         GRE_DATA_OSEQNO,
  56         GRE_DATA_ENCAPLIMIT,
  57         __GRE_DATA_ATTR_MAX
  58 };
  59
  60 enum vti_data {
  61         VTI_DATA_IKEY,
  62         VTI_DATA_OKEY,
  63         __VTI_DATA_ATTR_MAX
  64 };
  65
  66 enum sixrd_data {
  67         SIXRD_DATA_PREFIX,
  68         SIXRD_DATA_RELAY_PREFIX,
  69         __SIXRD_DATA_ATTR_MAX
  70 };
  71
  72 enum ipip6_data {
  73         IPIP6_DATA_ENCAPLIMIT,
  74         IPIP6_DATA_FMRS,
  75         __IPIP6_DATA_ATTR_MAX
  76 };
  77
  78 enum fmr_data {
  79         FMR_DATA_PREFIX6,
  80         FMR_DATA_PREFIX4,
  81         FMR_DATA_EALEN,
  82         FMR_DATA_OFFSET,
  83         __FMR_DATA_ATTR_MAX
  84 };
  85
  86 extern const struct uci_blob_param_list vxlan_data_attr_list;
  87 extern const struct uci_blob_param_list gre_data_attr_list;
  88 extern const struct uci_blob_param_list vti_data_attr_list;
  89 extern const struct uci_blob_param_list sixrd_data_attr_list;
  90 extern const struct uci_blob_param_list ipip6_data_attr_list;
  91 extern const struct uci_blob_param_list fmr_data_attr_list;
  92
  93 enum bridge_opt {
  94         /* stp and forward delay always set */
  95         BRIDGE_OPT_AGEING_TIME              = (1 << 0),
  96         BRIDGE_OPT_HELLO_TIME               = (1 << 1),
  97         BRIDGE_OPT_MAX_AGE                  = (1 << 2),
  98         BRIDGE_OPT_ROBUSTNESS               = (1 << 3),
  99         BRIDGE_OPT_QUERY_INTERVAL           = (1 << 4),
 100         BRIDGE_OPT_QUERY_RESPONSE_INTERVAL  = (1 << 5),
 101         BRIDGE_OPT_LAST_MEMBER_INTERVAL     = (1 << 6),
 102 };
 103
 104 struct bridge_config {
 105         enum bridge_opt flags;
 106         bool stp;
 107
 108         bool igmp_snoop;
 109         bool multicast_querier;
 110         int robustness;
 111         int query_interval;
 112         int query_response_interval;
 113         int last_member_interval;
 114
 115         unsigned short priority;
 116         int forward_delay;
 117         bool bridge_empty;
 118
 119         int ageing_time;
 120         int hello_time;
 121         int max_age;
 122         int hash_max;
 123 };
 124
 125 enum macvlan_opt {
 126         MACVLAN_OPT_MACADDR = (1 << 0),
 127 };
 128
 129 struct macvlan_config {
 130         const char *mode;
 131
 132         enum macvlan_opt flags;
 133         unsigned char macaddr[6];
 134 };
 135
 136 enum veth_opt {
 137         VETH_OPT_MACADDR = (1 << 0),
 138         VETH_OPT_PEER_NAME = (1 << 1),
 139         VETH_OPT_PEER_MACADDR = (1 << 2),
 140 };
 141
 142 struct veth_config {
 143         enum veth_opt flags;
 144
 145         unsigned char macaddr[6];
 146         char peer_name[IFNAMSIZ];
 147         unsigned char peer_macaddr[6];
 148 };
 149
 150 enum vlan_proto {
 151         VLAN_PROTO_8021Q = 0x8100,
 152         VLAN_PROTO_8021AD = 0x88A8
 153 };
 154
 155 struct vlandev_config {
 156         enum vlan_proto proto;
 157         uint16_t vid;
 158 };
 159
 160 static inline int system_get_addr_family(unsigned int flags)
 161 {
 162         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
 163                 return AF_INET6;
 164         else
 165                 return AF_INET;
 166 }
 167
 168 static inline int system_get_addr_len(unsigned int flags)
 169 {
 170         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
 171                 return sizeof(struct in_addr);
 172         else
 173                 return sizeof(struct in6_addr);
 174 }
 175
 176 int system_init(void);
 177
 178 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
 179 int system_bridge_delbr(struct device *bridge);
 180 int system_bridge_addif(struct device *bridge, struct device *dev);
 181 int system_bridge_delif(struct device *bridge, struct device *dev);
 182
 183 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
 184 int system_macvlan_del(struct device *macvlan);
 185
 186 int system_veth_add(struct device *veth, struct veth_config *cfg);
 187 int system_veth_del(struct device *veth);
 188
 189 int system_vlan_add(struct device *dev, int id);
 190 int system_vlan_del(struct device *dev);
 191
 192 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
 193 int system_vlandev_del(struct device *vlandev);
 194
 195 void system_if_get_settings(struct device *dev, struct device_settings *s);
 196 void system_if_clear_state(struct device *dev);
 197 int system_if_up(struct device *dev);
 198 int system_if_down(struct device *dev);
 199 int system_if_check(struct device *dev);
 200 int system_if_resolve(struct device *dev);
 201
 202 int system_if_dump_info(struct device *dev, struct blob_buf *b);
 203 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
 204 struct device *system_if_get_parent(struct device *dev);
 205 bool system_if_force_external(const char *ifname);
 206 void system_if_apply_settings(struct device *dev, struct device_settings *s,
 207                               unsigned int apply_mask);
 208
 209 int system_add_address(struct device *dev, struct device_addr *addr);
 210 int system_del_address(struct device *dev, struct device_addr *addr);
 211
 212 int system_add_route(struct device *dev, struct device_route *route);
 213 int system_del_route(struct device *dev, struct device_route *route);
 214 int system_flush_routes(void);
 215
 216 int system_add_neighbor(struct device *dev, struct device_neighbor * neighbor);
 217 int system_del_neighbor(struct device *dev, struct device_neighbor * neighbor);
 218
 219 bool system_resolve_rt_type(const char *type, unsigned int *id);
 220 bool system_resolve_rt_proto(const char *type, unsigned int *id);
 221 bool system_resolve_rt_table(const char *name, unsigned int *id);
 222 bool system_is_default_rt_table(unsigned int id);
 223 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
 224
 225 int system_del_ip_tunnel(const char *name, struct blob_attr *attr);
 226 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
 227
 228 int system_add_iprule(struct iprule *rule);
 229 int system_del_iprule(struct iprule *rule);
 230 int system_flush_iprules(void);
 231
 232 bool system_resolve_iprule_action(const char *action, unsigned int *id);
 233
 234 time_t system_get_rtime(void);
 235
 236 void system_fd_set_cloexec(int fd);
 237
 238 int system_update_ipv6_mtu(struct device *dev, int mtu);
 239
 240 #endif