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 struct netdev_type {
  27         unsigned short id;
  28         const char *name;
  29 };
  30
  31 static const struct netdev_type netdev_types[] = {
  32         {ARPHRD_NETROM, "netrom"},
  33         {ARPHRD_ETHER, "ethernet"},
  34         {ARPHRD_EETHER, "eethernet"},
  35         {ARPHRD_AX25, "ax25"},
  36         {ARPHRD_PRONET, "pronet"},
  37         {ARPHRD_CHAOS, "chaos"},
  38         {ARPHRD_IEEE802, "ieee802"},
  39         {ARPHRD_ARCNET, "arcnet"},
  40         {ARPHRD_APPLETLK, "appletlk"},
  41         {ARPHRD_DLCI, "dlci"},
  42         {ARPHRD_ATM, "atm"},
  43         {ARPHRD_METRICOM, "metricom"},
  44         {ARPHRD_IEEE1394, "ieee1394"},
  45         {ARPHRD_EUI64, "eui64"},
  46         {ARPHRD_INFINIBAND, "infiniband"},
  47         {ARPHRD_SLIP, "slip"},
  48         {ARPHRD_CSLIP, "cslip"},
  49         {ARPHRD_SLIP6, "slip6"},
  50         {ARPHRD_CSLIP6, "cslip6"},
  51         {ARPHRD_RSRVD, "rsrvd"},
  52         {ARPHRD_ADAPT, "adapt"},
  53         {ARPHRD_ROSE, "rose"},
  54         {ARPHRD_X25, "x25"},
  55         {ARPHRD_HWX25, "hwx25"},
  56         {ARPHRD_PPP, "ppp"},
  57         {ARPHRD_CISCO, "cisco"},
  58         {ARPHRD_LAPB, "lapb"},
  59         {ARPHRD_DDCMP, "ddcmp"},
  60         {ARPHRD_RAWHDLC, "rawhdlc"},
  61         {ARPHRD_TUNNEL, "tunnel"},
  62         {ARPHRD_TUNNEL6, "tunnel6"},
  63         {ARPHRD_FRAD, "frad"},
  64         {ARPHRD_SKIP, "skip"},
  65         {ARPHRD_LOOPBACK, "loopback"},
  66         {ARPHRD_LOCALTLK, "localtlk"},
  67         {ARPHRD_FDDI, "fddi"},
  68         {ARPHRD_BIF, "bif"},
  69         {ARPHRD_SIT, "sit"},
  70         {ARPHRD_IPDDP, "ipddp"},
  71         {ARPHRD_IPGRE, "ipgre"},
  72         {ARPHRD_PIMREG,"pimreg"},
  73         {ARPHRD_HIPPI, "hippi"},
  74         {ARPHRD_ASH, "ash"},
  75         {ARPHRD_ECONET, "econet"},
  76         {ARPHRD_IRDA, "irda"},
  77         {ARPHRD_FCPP, "fcpp"},
  78         {ARPHRD_FCAL, "fcal"},
  79         {ARPHRD_FCPL, "fcpl"},
  80         {ARPHRD_FCFABRIC, "fcfabric"},
  81         {ARPHRD_IEEE80211, "ieee80211"},
  82         {ARPHRD_IEEE80211_PRISM, "ie80211-prism"},
  83         {ARPHRD_IEEE80211_RADIOTAP, "ieee80211-radiotap"},
  84 #ifdef ARPHRD_PHONET
  85         {ARPHRD_PHONET, "phonet"},
  86 #endif
  87 #ifdef ARPHRD_PHONET_PIPE
  88         {ARPHRD_PHONET_PIPE, "phonet-pipe"},
  89 #endif
  90         {ARPHRD_IEEE802154, "ieee802154"},
  91         {ARPHRD_VOID, "void"},
  92         {ARPHRD_NONE, "none"}
  93 };
  94
  95 enum tunnel_param {
  96         TUNNEL_ATTR_TYPE,
  97         TUNNEL_ATTR_REMOTE,
  98         TUNNEL_ATTR_LOCAL,
  99         TUNNEL_ATTR_MTU,
 100         TUNNEL_ATTR_DF,
 101         TUNNEL_ATTR_TTL,
 102         TUNNEL_ATTR_TOS,
 103         TUNNEL_ATTR_LINK,
 104         TUNNEL_ATTR_DATA,
 105         __TUNNEL_ATTR_MAX
 106 };
 107
 108 extern const struct uci_blob_param_list tunnel_attr_list;
 109
 110 enum vxlan_data {
 111         VXLAN_DATA_ATTR_ID,
 112         VXLAN_DATA_ATTR_PORT,
 113         VXLAN_DATA_ATTR_MACADDR,
 114         VXLAN_DATA_ATTR_RXCSUM,
 115         VXLAN_DATA_ATTR_TXCSUM,
 116         VXLAN_DATA_ATTR_SRCPORTMIN,
 117         VXLAN_DATA_ATTR_SRCPORTMAX,
 118         VXLAN_DATA_ATTR_LEARNING,
 119         VXLAN_DATA_ATTR_RSC,
 120         VXLAN_DATA_ATTR_PROXY,
 121         VXLAN_DATA_ATTR_L2MISS,
 122         VXLAN_DATA_ATTR_L3MISS,
 123         VXLAN_DATA_ATTR_GBP,
 124         VXLAN_DATA_ATTR_AGEING,
 125         VXLAN_DATA_ATTR_LIMIT,
 126         __VXLAN_DATA_ATTR_MAX
 127 };
 128
 129 enum gre_data {
 130         GRE_DATA_IKEY,
 131         GRE_DATA_OKEY,
 132         GRE_DATA_ICSUM,
 133         GRE_DATA_OCSUM,
 134         GRE_DATA_ISEQNO,
 135         GRE_DATA_OSEQNO,
 136         GRE_DATA_ENCAPLIMIT,
 137         __GRE_DATA_ATTR_MAX
 138 };
 139
 140 enum vti_data {
 141         VTI_DATA_IKEY,
 142         VTI_DATA_OKEY,
 143         __VTI_DATA_ATTR_MAX
 144 };
 145
 146 enum xfrm_data {
 147         XFRM_DATA_IF_ID,
 148         __XFRM_DATA_ATTR_MAX
 149 };
 150
 151 enum sixrd_data {
 152         SIXRD_DATA_PREFIX,
 153         SIXRD_DATA_RELAY_PREFIX,
 154         __SIXRD_DATA_ATTR_MAX
 155 };
 156
 157 enum ipip6_data {
 158         IPIP6_DATA_ENCAPLIMIT,
 159         IPIP6_DATA_FMRS,
 160         __IPIP6_DATA_ATTR_MAX
 161 };
 162
 163 enum fmr_data {
 164         FMR_DATA_PREFIX6,
 165         FMR_DATA_PREFIX4,
 166         FMR_DATA_EALEN,
 167         FMR_DATA_OFFSET,
 168         __FMR_DATA_ATTR_MAX
 169 };
 170
 171 extern const struct uci_blob_param_list vxlan_data_attr_list;
 172 extern const struct uci_blob_param_list gre_data_attr_list;
 173 extern const struct uci_blob_param_list vti_data_attr_list;
 174 extern const struct uci_blob_param_list xfrm_data_attr_list;
 175 extern const struct uci_blob_param_list sixrd_data_attr_list;
 176 extern const struct uci_blob_param_list ipip6_data_attr_list;
 177 extern const struct uci_blob_param_list fmr_data_attr_list;
 178
 179 enum bridge_opt {
 180         /* stp, forward delay, max age and hello time are always set */
 181         BRIDGE_OPT_AGEING_TIME              = (1 << 0),
 182         BRIDGE_OPT_ROBUSTNESS               = (1 << 1),
 183         BRIDGE_OPT_QUERY_INTERVAL           = (1 << 2),
 184         BRIDGE_OPT_QUERY_RESPONSE_INTERVAL  = (1 << 3),
 185         BRIDGE_OPT_LAST_MEMBER_INTERVAL     = (1 << 4),
 186 };
 187
 188 struct bridge_config {
 189         enum bridge_opt flags;
 190         bool stp;
 191         bool stp_kernel;
 192         const char *stp_proto;
 193
 194         bool igmp_snoop;
 195         bool multicast_querier;
 196         int robustness;
 197         int query_interval;
 198         int query_response_interval;
 199         int last_member_interval;
 200
 201         unsigned short priority;
 202         int forward_delay;
 203         bool bridge_empty;
 204
 205         int ageing_time;
 206         int hello_time;
 207         int max_age;
 208         int hash_max;
 209
 210         bool vlan_filtering;
 211 };
 212
 213 enum macvlan_opt {
 214         MACVLAN_OPT_MACADDR = (1 << 0),
 215 };
 216
 217 struct macvlan_config {
 218         const char *mode;
 219
 220         enum macvlan_opt flags;
 221         unsigned char macaddr[6];
 222 };
 223
 224 enum veth_opt {
 225         VETH_OPT_MACADDR = (1 << 0),
 226         VETH_OPT_PEER_NAME = (1 << 1),
 227         VETH_OPT_PEER_MACADDR = (1 << 2),
 228 };
 229
 230 struct veth_config {
 231         enum veth_opt flags;
 232
 233         unsigned char macaddr[6];
 234         char peer_name[IFNAMSIZ];
 235         unsigned char peer_macaddr[6];
 236 };
 237
 238 enum vlan_proto {
 239         VLAN_PROTO_8021Q = 0x8100,
 240         VLAN_PROTO_8021AD = 0x88A8
 241 };
 242
 243 struct vlan_qos_mapping {
 244         struct vlist_simple_node node; /* entry in vlandev_config->{e,in}gress_qos_mapping_list */
 245         uint32_t from;
 246         uint32_t to;
 247 };
 248
 249 struct vlandev_config {
 250         enum vlan_proto proto;
 251         uint16_t vid;
 252         struct vlist_simple_tree ingress_qos_mapping_list; /* list of struct vlan_qos_mapping */
 253         struct vlist_simple_tree egress_qos_mapping_list;  /* list of struct vlan_qos_mapping */
 254 };
 255
 256 enum bonding_mode {
 257         BONDING_MODE_BALANCE_RR,
 258         BONDING_MODE_ACTIVE_BACKUP,
 259         BONDING_MODE_BALANCE_XOR,
 260         BONDING_MODE_BROADCAST,
 261         BONDING_MODE_8023AD,
 262         BONDING_MODE_BALANCE_TLB,
 263         BONDING_MODE_BALANCE_ALB,
 264         __BONDING_MODE_MAX,
 265 };
 266
 267 struct bonding_config {
 268         enum bonding_mode policy;
 269         const char *xmit_hash_policy;
 270         bool all_ports_active;
 271         int min_links;
 272         const char *ad_actor_system;
 273         int ad_actor_sys_prio;
 274         const char *ad_select;
 275         const char *lacp_rate;
 276         int packets_per_port;
 277         int lp_interval;
 278         bool dynamic_lb;
 279         int resend_igmp;
 280         int num_peer_notif;
 281         const char *primary;
 282         const char *primary_reselect;
 283         const char *failover_mac;
 284         bool monitor_arp;
 285         int monitor_interval;
 286         struct blob_attr *arp_target;
 287         bool arp_all_targets;
 288         const char *arp_validate;
 289         bool use_carrier;
 290         int updelay;
 291         int downdelay;
 292 };
 293
 294 static inline int system_get_addr_family(unsigned int flags)
 295 {
 296         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
 297                 return AF_INET6;
 298         else
 299                 return AF_INET;
 300 }
 301
 302 static inline int system_get_addr_len(unsigned int flags)
 303 {
 304         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
 305                 return sizeof(struct in_addr);
 306         else
 307                 return sizeof(struct in6_addr);
 308 }
 309
 310 extern const char * const bonding_policy_str[__BONDING_MODE_MAX];
 311
 312 int system_init(void);
 313
 314 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
 315 int system_bridge_delbr(struct device *bridge);
 316 int system_bridge_addif(struct device *bridge, struct device *dev);
 317 int system_bridge_delif(struct device *bridge, struct device *dev);
 318 int system_bridge_vlan(const char *iface, uint16_t vid, bool add, unsigned int vflags);
 319 int system_bridge_vlan_check(struct device *dev, char *ifname);
 320 void system_bridge_set_stp_state(struct device *dev, bool val);
 321
 322 int system_bonding_set_device(struct device *dev, struct bonding_config *cfg);
 323 int system_bonding_set_port(struct device *dev, struct device *port, bool add, bool primary);
 324
 325 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
 326 int system_macvlan_del(struct device *macvlan);
 327
 328 int system_veth_add(struct device *veth, struct veth_config *cfg);
 329 int system_veth_del(struct device *veth);
 330
 331 int system_vlan_add(struct device *dev, int id);
 332 int system_vlan_del(struct device *dev);
 333
 334 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
 335 int system_vlandev_del(struct device *vlandev);
 336
 337 void system_if_get_settings(struct device *dev, struct device_settings *s);
 338 void system_if_clear_state(struct device *dev);
 339 int system_if_up(struct device *dev);
 340 int system_if_down(struct device *dev);
 341 int system_if_check(struct device *dev);
 342 int system_if_resolve(struct device *dev);
 343
 344 int system_if_dump_info(struct device *dev, struct blob_buf *b);
 345 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
 346 struct device *system_if_get_parent(struct device *dev);
 347 bool system_if_force_external(const char *ifname);
 348 void system_if_apply_settings(struct device *dev, struct device_settings *s,
 349                               uint64_t apply_mask);
 350
 351 int system_add_address(struct device *dev, struct device_addr *addr);
 352 int system_del_address(struct device *dev, struct device_addr *addr);
 353
 354 int system_add_route(struct device *dev, struct device_route *route);
 355 int system_del_route(struct device *dev, struct device_route *route);
 356 int system_flush_routes(void);
 357
 358 int system_add_neighbor(struct device *dev, struct device_neighbor * neighbor);
 359 int system_del_neighbor(struct device *dev, struct device_neighbor * neighbor);
 360
 361 bool system_resolve_rt_type(const char *type, unsigned int *id);
 362 bool system_resolve_rt_proto(const char *type, unsigned int *id);
 363 bool system_resolve_rt_table(const char *name, unsigned int *id);
 364 bool system_is_default_rt_table(unsigned int id);
 365 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
 366
 367 int system_del_ip_tunnel(const struct device *dev);
 368 int system_add_ip_tunnel(const struct device *dev, struct blob_attr *attr);
 369
 370 int system_add_iprule(struct iprule *rule);
 371 int system_del_iprule(struct iprule *rule);
 372 int system_flush_iprules(void);
 373
 374 bool system_resolve_iprule_action(const char *action, unsigned int *id);
 375
 376 time_t system_get_rtime(void);
 377
 378 void system_fd_set_cloexec(int fd);
 379
 380 int system_update_ipv6_mtu(struct device *dev, int mtu);
 381
 382 int system_link_netns_move(struct device *dev, const pid_t target_ns, const char *target_ifname);
 383 int system_netns_open(const pid_t target_ns);
 384 int system_netns_set(int netns_fd);
 385
 386 #endif