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_AGEING,
  56         VXLAN_DATA_ATTR_LIMIT,
  57         __VXLAN_DATA_ATTR_MAX
  58 };
  59
  60 enum gre_data {
  61         GRE_DATA_IKEY,
  62         GRE_DATA_OKEY,
  63         GRE_DATA_ICSUM,
  64         GRE_DATA_OCSUM,
  65         GRE_DATA_ISEQNO,
  66         GRE_DATA_OSEQNO,
  67         GRE_DATA_ENCAPLIMIT,
  68         __GRE_DATA_ATTR_MAX
  69 };
  70
  71 enum vti_data {
  72         VTI_DATA_IKEY,
  73         VTI_DATA_OKEY,
  74         __VTI_DATA_ATTR_MAX
  75 };
  76
  77 enum xfrm_data {
  78         XFRM_DATA_IF_ID,
  79         __XFRM_DATA_ATTR_MAX
  80 };
  81
  82 enum sixrd_data {
  83         SIXRD_DATA_PREFIX,
  84         SIXRD_DATA_RELAY_PREFIX,
  85         __SIXRD_DATA_ATTR_MAX
  86 };
  87
  88 enum ipip6_data {
  89         IPIP6_DATA_ENCAPLIMIT,
  90         IPIP6_DATA_FMRS,
  91         __IPIP6_DATA_ATTR_MAX
  92 };
  93
  94 enum fmr_data {
  95         FMR_DATA_PREFIX6,
  96         FMR_DATA_PREFIX4,
  97         FMR_DATA_EALEN,
  98         FMR_DATA_OFFSET,
  99         __FMR_DATA_ATTR_MAX
 100 };
 101
 102 extern const struct uci_blob_param_list vxlan_data_attr_list;
 103 extern const struct uci_blob_param_list gre_data_attr_list;
 104 extern const struct uci_blob_param_list vti_data_attr_list;
 105 extern const struct uci_blob_param_list xfrm_data_attr_list;
 106 extern const struct uci_blob_param_list sixrd_data_attr_list;
 107 extern const struct uci_blob_param_list ipip6_data_attr_list;
 108 extern const struct uci_blob_param_list fmr_data_attr_list;
 109
 110 enum bridge_opt {
 111         /* stp and forward delay always set */
 112         BRIDGE_OPT_AGEING_TIME              = (1 << 0),
 113         BRIDGE_OPT_HELLO_TIME               = (1 << 1),
 114         BRIDGE_OPT_MAX_AGE                  = (1 << 2),
 115         BRIDGE_OPT_ROBUSTNESS               = (1 << 3),
 116         BRIDGE_OPT_QUERY_INTERVAL           = (1 << 4),
 117         BRIDGE_OPT_QUERY_RESPONSE_INTERVAL  = (1 << 5),
 118         BRIDGE_OPT_LAST_MEMBER_INTERVAL     = (1 << 6),
 119 };
 120
 121 struct bridge_config {
 122         enum bridge_opt flags;
 123         bool stp;
 124         bool stp_kernel;
 125         const char *stp_proto;
 126
 127         bool igmp_snoop;
 128         bool multicast_querier;
 129         int robustness;
 130         int query_interval;
 131         int query_response_interval;
 132         int last_member_interval;
 133
 134         unsigned short priority;
 135         int forward_delay;
 136         bool bridge_empty;
 137
 138         int ageing_time;
 139         int hello_time;
 140         int max_age;
 141         int hash_max;
 142
 143         bool vlan_filtering;
 144 };
 145
 146 enum macvlan_opt {
 147         MACVLAN_OPT_MACADDR = (1 << 0),
 148 };
 149
 150 struct macvlan_config {
 151         const char *mode;
 152
 153         enum macvlan_opt flags;
 154         unsigned char macaddr[6];
 155 };
 156
 157 enum veth_opt {
 158         VETH_OPT_MACADDR = (1 << 0),
 159         VETH_OPT_PEER_NAME = (1 << 1),
 160         VETH_OPT_PEER_MACADDR = (1 << 2),
 161 };
 162
 163 struct veth_config {
 164         enum veth_opt flags;
 165
 166         unsigned char macaddr[6];
 167         char peer_name[IFNAMSIZ];
 168         unsigned char peer_macaddr[6];
 169 };
 170
 171 enum vlan_proto {
 172         VLAN_PROTO_8021Q = 0x8100,
 173         VLAN_PROTO_8021AD = 0x88A8
 174 };
 175
 176 struct vlan_qos_mapping {
 177         struct vlist_simple_node node; /* entry in vlandev_config->{e,in}gress_qos_mapping_list */
 178         uint32_t from;
 179         uint32_t to;
 180 };
 181
 182 struct vlandev_config {
 183         enum vlan_proto proto;
 184         uint16_t vid;
 185         struct vlist_simple_tree ingress_qos_mapping_list; /* list of struct vlan_qos_mapping */
 186         struct vlist_simple_tree egress_qos_mapping_list;  /* list of struct vlan_qos_mapping */
 187 };
 188
 189 static inline int system_get_addr_family(unsigned int flags)
 190 {
 191         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
 192                 return AF_INET6;
 193         else
 194                 return AF_INET;
 195 }
 196
 197 static inline int system_get_addr_len(unsigned int flags)
 198 {
 199         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
 200                 return sizeof(struct in_addr);
 201         else
 202                 return sizeof(struct in6_addr);
 203 }
 204
 205 int system_init(void);
 206
 207 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
 208 int system_bridge_delbr(struct device *bridge);
 209 int system_bridge_addif(struct device *bridge, struct device *dev);
 210 int system_bridge_delif(struct device *bridge, struct device *dev);
 211 int system_bridge_vlan(const char *iface, uint16_t vid, bool add, unsigned int vflags);
 212 int system_bridge_vlan_check(struct device *dev, char *ifname);
 213 void system_bridge_set_stp_state(struct device *dev, bool val);
 214
 215 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
 216 int system_macvlan_del(struct device *macvlan);
 217
 218 int system_veth_add(struct device *veth, struct veth_config *cfg);
 219 int system_veth_del(struct device *veth);
 220
 221 int system_vlan_add(struct device *dev, int id);
 222 int system_vlan_del(struct device *dev);
 223
 224 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
 225 int system_vlandev_del(struct device *vlandev);
 226
 227 void system_if_get_settings(struct device *dev, struct device_settings *s);
 228 void system_if_clear_state(struct device *dev);
 229 int system_if_up(struct device *dev);
 230 int system_if_down(struct device *dev);
 231 int system_if_check(struct device *dev);
 232 int system_if_resolve(struct device *dev);
 233
 234 int system_if_dump_info(struct device *dev, struct blob_buf *b);
 235 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
 236 struct device *system_if_get_parent(struct device *dev);
 237 bool system_if_force_external(const char *ifname);
 238 void system_if_apply_settings(struct device *dev, struct device_settings *s,
 239                               uint64_t apply_mask);
 240
 241 int system_add_address(struct device *dev, struct device_addr *addr);
 242 int system_del_address(struct device *dev, struct device_addr *addr);
 243
 244 int system_add_route(struct device *dev, struct device_route *route);
 245 int system_del_route(struct device *dev, struct device_route *route);
 246 int system_flush_routes(void);
 247
 248 int system_add_neighbor(struct device *dev, struct device_neighbor * neighbor);
 249 int system_del_neighbor(struct device *dev, struct device_neighbor * neighbor);
 250
 251 bool system_resolve_rt_type(const char *type, unsigned int *id);
 252 bool system_resolve_rt_proto(const char *type, unsigned int *id);
 253 bool system_resolve_rt_table(const char *name, unsigned int *id);
 254 bool system_is_default_rt_table(unsigned int id);
 255 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
 256
 257 int system_del_ip_tunnel(const char *name, struct blob_attr *attr);
 258 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
 259
 260 int system_add_iprule(struct iprule *rule);
 261 int system_del_iprule(struct iprule *rule);
 262 int system_flush_iprules(void);
 263
 264 bool system_resolve_iprule_action(const char *action, unsigned int *id);
 265
 266 time_t system_get_rtime(void);
 267
 268 void system_fd_set_cloexec(int fd);
 269
 270 int system_update_ipv6_mtu(struct device *dev, int mtu);
 271
 272 int system_link_netns_move(struct device *dev, const pid_t target_ns, const char *target_ifname);
 273 int system_netns_open(const pid_t target_ns);
 274 int system_netns_set(int netns_fd);
 275
 276 #endif