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Sources/netifd/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 
125         bool igmp_snoop;
126         bool multicast_querier;
127         int robustness;
128         int query_interval;
129         int query_response_interval;
130         int last_member_interval;
131 
132         unsigned short priority;
133         int forward_delay;
134         bool bridge_empty;
135 
136         int ageing_time;
137         int hello_time;
138         int max_age;
139         int hash_max;
140 
141         bool vlan_filtering;
142 };
143 
144 enum macvlan_opt {
145         MACVLAN_OPT_MACADDR = (1 << 0),
146 };
147 
148 struct macvlan_config {
149         const char *mode;
150 
151         enum macvlan_opt flags;
152         unsigned char macaddr[6];
153 };
154 
155 enum veth_opt {
156         VETH_OPT_MACADDR = (1 << 0),
157         VETH_OPT_PEER_NAME = (1 << 1),
158         VETH_OPT_PEER_MACADDR = (1 << 2),
159 };
160 
161 struct veth_config {
162         enum veth_opt flags;
163 
164         unsigned char macaddr[6];
165         char peer_name[IFNAMSIZ];
166         unsigned char peer_macaddr[6];
167 };
168 
169 enum vlan_proto {
170         VLAN_PROTO_8021Q = 0x8100,
171         VLAN_PROTO_8021AD = 0x88A8
172 };
173 
174 struct vlan_qos_mapping {
175         struct vlist_simple_node node; /* entry in vlandev_config->{e,in}gress_qos_mapping_list */
176         uint32_t from;
177         uint32_t to;
178 };
179 
180 struct vlandev_config {
181         enum vlan_proto proto;
182         uint16_t vid;
183         struct vlist_simple_tree ingress_qos_mapping_list; /* list of struct vlan_qos_mapping */
184         struct vlist_simple_tree egress_qos_mapping_list;  /* list of struct vlan_qos_mapping */
185 };
186 
187 static inline int system_get_addr_family(unsigned int flags)
188 {
189         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
190                 return AF_INET6;
191         else
192                 return AF_INET;
193 }
194 
195 static inline int system_get_addr_len(unsigned int flags)
196 {
197         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
198                 return sizeof(struct in_addr);
199         else
200                 return sizeof(struct in6_addr);
201 }
202 
203 int system_init(void);
204 
205 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
206 int system_bridge_delbr(struct device *bridge);
207 int system_bridge_addif(struct device *bridge, struct device *dev);
208 int system_bridge_delif(struct device *bridge, struct device *dev);
209 int system_bridge_vlan(const char *iface, uint16_t vid, bool add, unsigned int vflags);
210 
211 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
212 int system_macvlan_del(struct device *macvlan);
213 
214 int system_veth_add(struct device *veth, struct veth_config *cfg);
215 int system_veth_del(struct device *veth);
216 
217 int system_vlan_add(struct device *dev, int id);
218 int system_vlan_del(struct device *dev);
219 
220 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
221 int system_vlandev_del(struct device *vlandev);
222 
223 void system_if_get_settings(struct device *dev, struct device_settings *s);
224 void system_if_clear_state(struct device *dev);
225 int system_if_up(struct device *dev);
226 int system_if_down(struct device *dev);
227 int system_if_check(struct device *dev);
228 int system_if_resolve(struct device *dev);
229 
230 int system_if_dump_info(struct device *dev, struct blob_buf *b);
231 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
232 struct device *system_if_get_parent(struct device *dev);
233 bool system_if_force_external(const char *ifname);
234 void system_if_apply_settings(struct device *dev, struct device_settings *s,
235                               unsigned int apply_mask);
236 
237 int system_add_address(struct device *dev, struct device_addr *addr);
238 int system_del_address(struct device *dev, struct device_addr *addr);
239 
240 int system_add_route(struct device *dev, struct device_route *route);
241 int system_del_route(struct device *dev, struct device_route *route);
242 int system_flush_routes(void);
243 
244 int system_add_neighbor(struct device *dev, struct device_neighbor * neighbor);
245 int system_del_neighbor(struct device *dev, struct device_neighbor * neighbor);
246 
247 bool system_resolve_rt_type(const char *type, unsigned int *id);
248 bool system_resolve_rt_proto(const char *type, unsigned int *id);
249 bool system_resolve_rt_table(const char *name, unsigned int *id);
250 bool system_is_default_rt_table(unsigned int id);
251 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
252 
253 int system_del_ip_tunnel(const char *name, struct blob_attr *attr);
254 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
255 
256 int system_add_iprule(struct iprule *rule);
257 int system_del_iprule(struct iprule *rule);
258 int system_flush_iprules(void);
259 
260 bool system_resolve_iprule_action(const char *action, unsigned int *id);
261 
262 time_t system_get_rtime(void);
263 
264 void system_fd_set_cloexec(int fd);
265 
266 int system_update_ipv6_mtu(struct device *dev, int mtu);
267 
268 int system_link_netns_move(struct device *dev, const pid_t target_ns, const char *target_ifname);
269 int system_netns_open(const pid_t target_ns);
270 int system_netns_set(int netns_fd);
271 
272 #endif
273 

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