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 #include "utils.h"
  25
  26 enum tunnel_param {
  27         TUNNEL_ATTR_TYPE,
  28         TUNNEL_ATTR_REMOTE,
  29         TUNNEL_ATTR_LOCAL,
  30         TUNNEL_ATTR_MTU,
  31         TUNNEL_ATTR_DF,
  32         TUNNEL_ATTR_TTL,
  33         TUNNEL_ATTR_TOS,
  34         TUNNEL_ATTR_LINK,
  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_RXCSUM,
  46         VXLAN_DATA_ATTR_TXCSUM,
  47         VXLAN_DATA_ATTR_SRCPORTMIN,
  48         VXLAN_DATA_ATTR_SRCPORTMAX,
  49         __VXLAN_DATA_ATTR_MAX
  50 };
  51
  52 enum gre_data {
  53         GRE_DATA_IKEY,
  54         GRE_DATA_OKEY,
  55         GRE_DATA_ICSUM,
  56         GRE_DATA_OCSUM,
  57         GRE_DATA_ISEQNO,
  58         GRE_DATA_OSEQNO,
  59         GRE_DATA_ENCAPLIMIT,
  60         __GRE_DATA_ATTR_MAX
  61 };
  62
  63 enum vti_data {
  64         VTI_DATA_IKEY,
  65         VTI_DATA_OKEY,
  66         __VTI_DATA_ATTR_MAX
  67 };
  68
  69 enum xfrm_data {
  70         XFRM_DATA_IF_ID,
  71         __XFRM_DATA_ATTR_MAX
  72 };
  73
  74 enum sixrd_data {
  75         SIXRD_DATA_PREFIX,
  76         SIXRD_DATA_RELAY_PREFIX,
  77         __SIXRD_DATA_ATTR_MAX
  78 };
  79
  80 enum ipip6_data {
  81         IPIP6_DATA_ENCAPLIMIT,
  82         IPIP6_DATA_FMRS,
  83         __IPIP6_DATA_ATTR_MAX
  84 };
  85
  86 enum fmr_data {
  87         FMR_DATA_PREFIX6,
  88         FMR_DATA_PREFIX4,
  89         FMR_DATA_EALEN,
  90         FMR_DATA_OFFSET,
  91         __FMR_DATA_ATTR_MAX
  92 };
  93
  94 extern const struct uci_blob_param_list vxlan_data_attr_list;
  95 extern const struct uci_blob_param_list gre_data_attr_list;
  96 extern const struct uci_blob_param_list vti_data_attr_list;
  97 extern const struct uci_blob_param_list xfrm_data_attr_list;
  98 extern const struct uci_blob_param_list sixrd_data_attr_list;
  99 extern const struct uci_blob_param_list ipip6_data_attr_list;
 100 extern const struct uci_blob_param_list fmr_data_attr_list;
 101
 102 enum bridge_opt {
 103         /* stp and forward delay always set */
 104         BRIDGE_OPT_AGEING_TIME              = (1 << 0),
 105         BRIDGE_OPT_HELLO_TIME               = (1 << 1),
 106         BRIDGE_OPT_MAX_AGE                  = (1 << 2),
 107         BRIDGE_OPT_ROBUSTNESS               = (1 << 3),
 108         BRIDGE_OPT_QUERY_INTERVAL           = (1 << 4),
 109         BRIDGE_OPT_QUERY_RESPONSE_INTERVAL  = (1 << 5),
 110         BRIDGE_OPT_LAST_MEMBER_INTERVAL     = (1 << 6),
 111 };
 112
 113 struct bridge_config {
 114         enum bridge_opt flags;
 115         bool stp;
 116
 117         bool igmp_snoop;
 118         bool multicast_querier;
 119         int robustness;
 120         int query_interval;
 121         int query_response_interval;
 122         int last_member_interval;
 123
 124         unsigned short priority;
 125         int forward_delay;
 126         bool bridge_empty;
 127
 128         int ageing_time;
 129         int hello_time;
 130         int max_age;
 131         int hash_max;
 132
 133         bool vlan_filtering;
 134 };
 135
 136 enum macvlan_opt {
 137         MACVLAN_OPT_MACADDR = (1 << 0),
 138 };
 139
 140 struct macvlan_config {
 141         const char *mode;
 142
 143         enum macvlan_opt flags;
 144         unsigned char macaddr[6];
 145 };
 146
 147 enum veth_opt {
 148         VETH_OPT_MACADDR = (1 << 0),
 149         VETH_OPT_PEER_NAME = (1 << 1),
 150         VETH_OPT_PEER_MACADDR = (1 << 2),
 151 };
 152
 153 struct veth_config {
 154         enum veth_opt flags;
 155
 156         unsigned char macaddr[6];
 157         char peer_name[IFNAMSIZ];
 158         unsigned char peer_macaddr[6];
 159 };
 160
 161 enum vlan_proto {
 162         VLAN_PROTO_8021Q = 0x8100,
 163         VLAN_PROTO_8021AD = 0x88A8
 164 };
 165
 166 struct vlan_qos_mapping {
 167         struct vlist_simple_node node; /* entry in vlandev_config->{e,in}gress_qos_mapping_list */
 168         uint32_t from;
 169         uint32_t to;
 170 };
 171
 172 struct vlandev_config {
 173         enum vlan_proto proto;
 174         uint16_t vid;
 175         struct vlist_simple_tree ingress_qos_mapping_list; /* list of struct vlan_qos_mapping */
 176         struct vlist_simple_tree egress_qos_mapping_list;  /* list of struct vlan_qos_mapping */
 177 };
 178
 179 static inline int system_get_addr_family(unsigned int flags)
 180 {
 181         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
 182                 return AF_INET6;
 183         else
 184                 return AF_INET;
 185 }
 186
 187 static inline int system_get_addr_len(unsigned int flags)
 188 {
 189         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
 190                 return sizeof(struct in_addr);
 191         else
 192                 return sizeof(struct in6_addr);
 193 }
 194
 195 int system_init(void);
 196
 197 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
 198 int system_bridge_delbr(struct device *bridge);
 199 int system_bridge_addif(struct device *bridge, struct device *dev);
 200 int system_bridge_delif(struct device *bridge, struct device *dev);
 201 int system_bridge_vlan(const char *iface, uint16_t vid, bool add, unsigned int vflags);
 202
 203 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
 204 int system_macvlan_del(struct device *macvlan);
 205
 206 int system_veth_add(struct device *veth, struct veth_config *cfg);
 207 int system_veth_del(struct device *veth);
 208
 209 int system_vlan_add(struct device *dev, int id);
 210 int system_vlan_del(struct device *dev);
 211
 212 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
 213 int system_vlandev_del(struct device *vlandev);
 214
 215 void system_if_get_settings(struct device *dev, struct device_settings *s);
 216 void system_if_clear_state(struct device *dev);
 217 int system_if_up(struct device *dev);
 218 int system_if_down(struct device *dev);
 219 int system_if_check(struct device *dev);
 220 int system_if_resolve(struct device *dev);
 221
 222 int system_if_dump_info(struct device *dev, struct blob_buf *b);
 223 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
 224 struct device *system_if_get_parent(struct device *dev);
 225 bool system_if_force_external(const char *ifname);
 226 void system_if_apply_settings(struct device *dev, struct device_settings *s,
 227                               unsigned int apply_mask);
 228
 229 int system_add_address(struct device *dev, struct device_addr *addr);
 230 int system_del_address(struct device *dev, struct device_addr *addr);
 231
 232 int system_add_route(struct device *dev, struct device_route *route);
 233 int system_del_route(struct device *dev, struct device_route *route);
 234 int system_flush_routes(void);
 235
 236 int system_add_neighbor(struct device *dev, struct device_neighbor * neighbor);
 237 int system_del_neighbor(struct device *dev, struct device_neighbor * neighbor);
 238
 239 bool system_resolve_rt_type(const char *type, unsigned int *id);
 240 bool system_resolve_rt_proto(const char *type, unsigned int *id);
 241 bool system_resolve_rt_table(const char *name, unsigned int *id);
 242 bool system_is_default_rt_table(unsigned int id);
 243 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
 244
 245 int system_del_ip_tunnel(const char *name, struct blob_attr *attr);
 246 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
 247
 248 int system_add_iprule(struct iprule *rule);
 249 int system_del_iprule(struct iprule *rule);
 250 int system_flush_iprules(void);
 251
 252 bool system_resolve_iprule_action(const char *action, unsigned int *id);
 253
 254 time_t system_get_rtime(void);
 255
 256 void system_fd_set_cloexec(int fd);
 257
 258 int system_update_ipv6_mtu(struct device *dev, int mtu);
 259
 260 int system_link_netns_move(struct device *dev, const pid_t target_ns, const char *target_ifname);
 261 int system_netns_open(const pid_t target_ns);
 262 int system_netns_set(int netns_fd);
 263
 264 #endif