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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 
 25 enum tunnel_param {
 26         TUNNEL_ATTR_TYPE,
 27         TUNNEL_ATTR_REMOTE,
 28         TUNNEL_ATTR_LOCAL,
 29         TUNNEL_ATTR_MTU,
 30         TUNNEL_ATTR_DF,
 31         TUNNEL_ATTR_TTL,
 32         TUNNEL_ATTR_TOS,
 33         TUNNEL_ATTR_LINK,
 34         TUNNEL_ATTR_DATA,
 35         __TUNNEL_ATTR_MAX
 36 };
 37 
 38 extern const struct uci_blob_param_list tunnel_attr_list;
 39 
 40 enum vxlan_data {
 41         VXLAN_DATA_ATTR_ID,
 42         VXLAN_DATA_ATTR_PORT,
 43         VXLAN_DATA_ATTR_MACADDR,
 44         VXLAN_DATA_ATTR_RXCSUM,
 45         VXLAN_DATA_ATTR_TXCSUM,
 46         __VXLAN_DATA_ATTR_MAX
 47 };
 48 
 49 enum gre_data {
 50         GRE_DATA_IKEY,
 51         GRE_DATA_OKEY,
 52         GRE_DATA_ICSUM,
 53         GRE_DATA_OCSUM,
 54         GRE_DATA_ISEQNO,
 55         GRE_DATA_OSEQNO,
 56         GRE_DATA_ENCAPLIMIT,
 57         __GRE_DATA_ATTR_MAX
 58 };
 59 
 60 enum vti_data {
 61         VTI_DATA_IKEY,
 62         VTI_DATA_OKEY,
 63         __VTI_DATA_ATTR_MAX
 64 };
 65 
 66 enum xfrm_data {
 67         XFRM_DATA_IF_ID,
 68         __XFRM_DATA_ATTR_MAX
 69 };
 70 
 71 enum sixrd_data {
 72         SIXRD_DATA_PREFIX,
 73         SIXRD_DATA_RELAY_PREFIX,
 74         __SIXRD_DATA_ATTR_MAX
 75 };
 76 
 77 enum ipip6_data {
 78         IPIP6_DATA_ENCAPLIMIT,
 79         IPIP6_DATA_FMRS,
 80         __IPIP6_DATA_ATTR_MAX
 81 };
 82 
 83 enum fmr_data {
 84         FMR_DATA_PREFIX6,
 85         FMR_DATA_PREFIX4,
 86         FMR_DATA_EALEN,
 87         FMR_DATA_OFFSET,
 88         __FMR_DATA_ATTR_MAX
 89 };
 90 
 91 extern const struct uci_blob_param_list vxlan_data_attr_list;
 92 extern const struct uci_blob_param_list gre_data_attr_list;
 93 extern const struct uci_blob_param_list vti_data_attr_list;
 94 extern const struct uci_blob_param_list xfrm_data_attr_list;
 95 extern const struct uci_blob_param_list sixrd_data_attr_list;
 96 extern const struct uci_blob_param_list ipip6_data_attr_list;
 97 extern const struct uci_blob_param_list fmr_data_attr_list;
 98 
 99 enum bridge_opt {
100         /* stp and forward delay always set */
101         BRIDGE_OPT_AGEING_TIME              = (1 << 0),
102         BRIDGE_OPT_HELLO_TIME               = (1 << 1),
103         BRIDGE_OPT_MAX_AGE                  = (1 << 2),
104         BRIDGE_OPT_ROBUSTNESS               = (1 << 3),
105         BRIDGE_OPT_QUERY_INTERVAL           = (1 << 4),
106         BRIDGE_OPT_QUERY_RESPONSE_INTERVAL  = (1 << 5),
107         BRIDGE_OPT_LAST_MEMBER_INTERVAL     = (1 << 6),
108 };
109 
110 struct bridge_config {
111         enum bridge_opt flags;
112         bool stp;
113 
114         bool igmp_snoop;
115         bool multicast_querier;
116         int robustness;
117         int query_interval;
118         int query_response_interval;
119         int last_member_interval;
120 
121         unsigned short priority;
122         int forward_delay;
123         bool bridge_empty;
124 
125         int ageing_time;
126         int hello_time;
127         int max_age;
128         int hash_max;
129 };
130 
131 enum macvlan_opt {
132         MACVLAN_OPT_MACADDR = (1 << 0),
133 };
134 
135 struct macvlan_config {
136         const char *mode;
137 
138         enum macvlan_opt flags;
139         unsigned char macaddr[6];
140 };
141 
142 enum veth_opt {
143         VETH_OPT_MACADDR = (1 << 0),
144         VETH_OPT_PEER_NAME = (1 << 1),
145         VETH_OPT_PEER_MACADDR = (1 << 2),
146 };
147 
148 struct veth_config {
149         enum veth_opt flags;
150 
151         unsigned char macaddr[6];
152         char peer_name[IFNAMSIZ];
153         unsigned char peer_macaddr[6];
154 };
155 
156 enum vlan_proto {
157         VLAN_PROTO_8021Q = 0x8100,
158         VLAN_PROTO_8021AD = 0x88A8
159 };
160 
161 struct vlandev_config {
162         enum vlan_proto proto;
163         uint16_t vid;
164 };
165 
166 static inline int system_get_addr_family(unsigned int flags)
167 {
168         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
169                 return AF_INET6;
170         else
171                 return AF_INET;
172 }
173 
174 static inline int system_get_addr_len(unsigned int flags)
175 {
176         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
177                 return sizeof(struct in_addr);
178         else
179                 return sizeof(struct in6_addr);
180 }
181 
182 int system_init(void);
183 
184 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
185 int system_bridge_delbr(struct device *bridge);
186 int system_bridge_addif(struct device *bridge, struct device *dev);
187 int system_bridge_delif(struct device *bridge, struct device *dev);
188 
189 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
190 int system_macvlan_del(struct device *macvlan);
191 
192 int system_veth_add(struct device *veth, struct veth_config *cfg);
193 int system_veth_del(struct device *veth);
194 
195 int system_vlan_add(struct device *dev, int id);
196 int system_vlan_del(struct device *dev);
197 
198 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
199 int system_vlandev_del(struct device *vlandev);
200 
201 void system_if_get_settings(struct device *dev, struct device_settings *s);
202 void system_if_clear_state(struct device *dev);
203 int system_if_up(struct device *dev);
204 int system_if_down(struct device *dev);
205 int system_if_check(struct device *dev);
206 int system_if_resolve(struct device *dev);
207 
208 int system_if_dump_info(struct device *dev, struct blob_buf *b);
209 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
210 struct device *system_if_get_parent(struct device *dev);
211 bool system_if_force_external(const char *ifname);
212 void system_if_apply_settings(struct device *dev, struct device_settings *s,
213                               unsigned int apply_mask);
214 
215 int system_add_address(struct device *dev, struct device_addr *addr);
216 int system_del_address(struct device *dev, struct device_addr *addr);
217 
218 int system_add_route(struct device *dev, struct device_route *route);
219 int system_del_route(struct device *dev, struct device_route *route);
220 int system_flush_routes(void);
221 
222 int system_add_neighbor(struct device *dev, struct device_neighbor * neighbor);
223 int system_del_neighbor(struct device *dev, struct device_neighbor * neighbor);
224 
225 bool system_resolve_rt_type(const char *type, unsigned int *id);
226 bool system_resolve_rt_proto(const char *type, unsigned int *id);
227 bool system_resolve_rt_table(const char *name, unsigned int *id);
228 bool system_is_default_rt_table(unsigned int id);
229 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
230 
231 int system_del_ip_tunnel(const char *name, struct blob_attr *attr);
232 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
233 
234 int system_add_iprule(struct iprule *rule);
235 int system_del_iprule(struct iprule *rule);
236 int system_flush_iprules(void);
237 
238 bool system_resolve_iprule_action(const char *action, unsigned int *id);
239 
240 time_t system_get_rtime(void);
241 
242 void system_fd_set_cloexec(int fd);
243 
244 int system_update_ipv6_mtu(struct device *dev, int mtu);
245 
246 #endif
247 

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