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_LEARNING,
  50         VXLAN_DATA_ATTR_RSC,
  51         VXLAN_DATA_ATTR_PROXY,
  52         VXLAN_DATA_ATTR_L2MISS,
  53         VXLAN_DATA_ATTR_L3MISS,
  54         VXLAN_DATA_ATTR_GBP,
  55         __VXLAN_DATA_ATTR_MAX
  56 };
  57
  58 enum gre_data {
  59         GRE_DATA_IKEY,
  60         GRE_DATA_OKEY,
  61         GRE_DATA_ICSUM,
  62         GRE_DATA_OCSUM,
  63         GRE_DATA_ISEQNO,
  64         GRE_DATA_OSEQNO,
  65         GRE_DATA_ENCAPLIMIT,
  66         __GRE_DATA_ATTR_MAX
  67 };
  68
  69 enum vti_data {
  70         VTI_DATA_IKEY,
  71         VTI_DATA_OKEY,
  72         __VTI_DATA_ATTR_MAX
  73 };
  74
  75 enum xfrm_data {
  76         XFRM_DATA_IF_ID,
  77         __XFRM_DATA_ATTR_MAX
  78 };
  79
  80 enum sixrd_data {
  81         SIXRD_DATA_PREFIX,
  82         SIXRD_DATA_RELAY_PREFIX,
  83         __SIXRD_DATA_ATTR_MAX
  84 };
  85
  86 enum ipip6_data {
  87         IPIP6_DATA_ENCAPLIMIT,
  88         IPIP6_DATA_FMRS,
  89         __IPIP6_DATA_ATTR_MAX
  90 };
  91
  92 enum fmr_data {
  93         FMR_DATA_PREFIX6,
  94         FMR_DATA_PREFIX4,
  95         FMR_DATA_EALEN,
  96         FMR_DATA_OFFSET,
  97         __FMR_DATA_ATTR_MAX
  98 };
  99
 100 extern const struct uci_blob_param_list vxlan_data_attr_list;
 101 extern const struct uci_blob_param_list gre_data_attr_list;
 102 extern const struct uci_blob_param_list vti_data_attr_list;
 103 extern const struct uci_blob_param_list xfrm_data_attr_list;
 104 extern const struct uci_blob_param_list sixrd_data_attr_list;
 105 extern const struct uci_blob_param_list ipip6_data_attr_list;
 106 extern const struct uci_blob_param_list fmr_data_attr_list;
 107
 108 enum bridge_opt {
 109         /* stp and forward delay always set */
 110         BRIDGE_OPT_AGEING_TIME              = (1 << 0),
 111         BRIDGE_OPT_HELLO_TIME               = (1 << 1),
 112         BRIDGE_OPT_MAX_AGE                  = (1 << 2),
 113         BRIDGE_OPT_ROBUSTNESS               = (1 << 3),
 114         BRIDGE_OPT_QUERY_INTERVAL           = (1 << 4),
 115         BRIDGE_OPT_QUERY_RESPONSE_INTERVAL  = (1 << 5),
 116         BRIDGE_OPT_LAST_MEMBER_INTERVAL     = (1 << 6),
 117 };
 118
 119 struct bridge_config {
 120         enum bridge_opt flags;
 121         bool stp;
 122
 123         bool igmp_snoop;
 124         bool multicast_querier;
 125         int robustness;
 126         int query_interval;
 127         int query_response_interval;
 128         int last_member_interval;
 129
 130         unsigned short priority;
 131         int forward_delay;
 132         bool bridge_empty;
 133
 134         int ageing_time;
 135         int hello_time;
 136         int max_age;
 137         int hash_max;
 138
 139         bool vlan_filtering;
 140 };
 141
 142 enum macvlan_opt {
 143         MACVLAN_OPT_MACADDR = (1 << 0),
 144 };
 145
 146 struct macvlan_config {
 147         const char *mode;
 148
 149         enum macvlan_opt flags;
 150         unsigned char macaddr[6];
 151 };
 152
 153 enum veth_opt {
 154         VETH_OPT_MACADDR = (1 << 0),
 155         VETH_OPT_PEER_NAME = (1 << 1),
 156         VETH_OPT_PEER_MACADDR = (1 << 2),
 157 };
 158
 159 struct veth_config {
 160         enum veth_opt flags;
 161
 162         unsigned char macaddr[6];
 163         char peer_name[IFNAMSIZ];
 164         unsigned char peer_macaddr[6];
 165 };
 166
 167 enum vlan_proto {
 168         VLAN_PROTO_8021Q = 0x8100,
 169         VLAN_PROTO_8021AD = 0x88A8
 170 };
 171
 172 struct vlan_qos_mapping {
 173         struct vlist_simple_node node; /* entry in vlandev_config->{e,in}gress_qos_mapping_list */
 174         uint32_t from;
 175         uint32_t to;
 176 };
 177
 178 struct vlandev_config {
 179         enum vlan_proto proto;
 180         uint16_t vid;
 181         struct vlist_simple_tree ingress_qos_mapping_list; /* list of struct vlan_qos_mapping */
 182         struct vlist_simple_tree egress_qos_mapping_list;  /* list of struct vlan_qos_mapping */
 183 };
 184
 185 static inline int system_get_addr_family(unsigned int flags)
 186 {
 187         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
 188                 return AF_INET6;
 189         else
 190                 return AF_INET;
 191 }
 192
 193 static inline int system_get_addr_len(unsigned int flags)
 194 {
 195         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
 196                 return sizeof(struct in_addr);
 197         else
 198                 return sizeof(struct in6_addr);
 199 }
 200
 201 int system_init(void);
 202
 203 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
 204 int system_bridge_delbr(struct device *bridge);
 205 int system_bridge_addif(struct device *bridge, struct device *dev);
 206 int system_bridge_delif(struct device *bridge, struct device *dev);
 207 int system_bridge_vlan(const char *iface, uint16_t vid, bool add, unsigned int vflags);
 208
 209 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
 210 int system_macvlan_del(struct device *macvlan);
 211
 212 int system_veth_add(struct device *veth, struct veth_config *cfg);
 213 int system_veth_del(struct device *veth);
 214
 215 int system_vlan_add(struct device *dev, int id);
 216 int system_vlan_del(struct device *dev);
 217
 218 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
 219 int system_vlandev_del(struct device *vlandev);
 220
 221 void system_if_get_settings(struct device *dev, struct device_settings *s);
 222 void system_if_clear_state(struct device *dev);
 223 int system_if_up(struct device *dev);
 224 int system_if_down(struct device *dev);
 225 int system_if_check(struct device *dev);
 226 int system_if_resolve(struct device *dev);
 227
 228 int system_if_dump_info(struct device *dev, struct blob_buf *b);
 229 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
 230 struct device *system_if_get_parent(struct device *dev);
 231 bool system_if_force_external(const char *ifname);
 232 void system_if_apply_settings(struct device *dev, struct device_settings *s,
 233                               unsigned int apply_mask);
 234
 235 int system_add_address(struct device *dev, struct device_addr *addr);
 236 int system_del_address(struct device *dev, struct device_addr *addr);
 237
 238 int system_add_route(struct device *dev, struct device_route *route);
 239 int system_del_route(struct device *dev, struct device_route *route);
 240 int system_flush_routes(void);
 241
 242 int system_add_neighbor(struct device *dev, struct device_neighbor * neighbor);
 243 int system_del_neighbor(struct device *dev, struct device_neighbor * neighbor);
 244
 245 bool system_resolve_rt_type(const char *type, unsigned int *id);
 246 bool system_resolve_rt_proto(const char *type, unsigned int *id);
 247 bool system_resolve_rt_table(const char *name, unsigned int *id);
 248 bool system_is_default_rt_table(unsigned int id);
 249 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
 250
 251 int system_del_ip_tunnel(const char *name, struct blob_attr *attr);
 252 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
 253
 254 int system_add_iprule(struct iprule *rule);
 255 int system_del_iprule(struct iprule *rule);
 256 int system_flush_iprules(void);
 257
 258 bool system_resolve_iprule_action(const char *action, unsigned int *id);
 259
 260 time_t system_get_rtime(void);
 261
 262 void system_fd_set_cloexec(int fd);
 263
 264 int system_update_ipv6_mtu(struct device *dev, int mtu);
 265
 266 int system_link_netns_move(struct device *dev, const pid_t target_ns, const char *target_ifname);
 267 int system_netns_open(const pid_t target_ns);
 268 int system_netns_set(int netns_fd);
 269
 270 #endif