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4b292b55 VB |
1 | /* -*- mode: c; c-file-style: "openbsd" -*- */ |
2 | /* | |
3 | * Copyright (c) 2008 Vincent Bernat <bernat@luffy.cx> | |
4 | * | |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
18 | #ifndef _LLDPD_H | |
19 | #define _LLDPD_H | |
20 | ||
21 | #if HAVE_CONFIG_H | |
22 | # include <config.h> | |
23 | #endif | |
24 | ||
25 | #ifdef HAVE_VALGRIND_VALGRIND_H | |
26 | # include <valgrind/valgrind.h> | |
27 | #else | |
28 | # define RUNNING_ON_VALGRIND 0 | |
29 | #endif | |
30 | ||
4b292b55 VB |
31 | #include <stdlib.h> |
32 | #include <stddef.h> | |
33 | #include <string.h> | |
34 | #include <sys/queue.h> | |
e12c2365 | 35 | #include <sys/types.h> |
690b944c | 36 | #include <netinet/if_ether.h> |
4b292b55 | 37 | #include <netinet/in.h> |
4b292b55 VB |
38 | #include <sys/un.h> |
39 | ||
40 | #include "lldp-tlv.h" | |
41 | #if defined (ENABLE_CDP) || defined (ENABLE_FDP) | |
9e2db64f | 42 | # include "protocols/cdp.h" |
4b292b55 VB |
43 | #endif |
44 | #ifdef ENABLE_SONMP | |
9e2db64f | 45 | # include "protocols/sonmp.h" |
4b292b55 VB |
46 | #endif |
47 | #ifdef ENABLE_EDP | |
9e2db64f | 48 | # include "protocols/edp.h" |
4b292b55 VB |
49 | #endif |
50 | ||
4c98fe72 VB |
51 | |
52 | ||
4b292b55 VB |
53 | #include "../compat/compat.h" |
54 | #include "../marshal.h" | |
55 | #include "../log.h" | |
56 | #include "../ctl.h" | |
57 | #include "../lldpd-structs.h" | |
58 | ||
59 | /* We don't want to import event2/event.h. We only need those as | |
60 | opaque structs. */ | |
61 | struct event; | |
62 | struct event_base; | |
63 | ||
64 | #define SYSFS_CLASS_NET "/sys/class/net/" | |
65 | #define SYSFS_CLASS_DMI "/sys/class/dmi/id/" | |
8843f168 | 66 | #define LLDPD_TX_INTERVAL 30 |
c10302a3 | 67 | #define LLDPD_TX_HOLD 4 |
68 | #define LLDPD_TTL LLDPD_TX_INTERVAL * LLDPD_TX_HOLD | |
4b292b55 | 69 | #define LLDPD_TX_MSGDELAY 1 |
86bc2873 | 70 | #define LLDPD_MAX_NEIGHBORS 32 |
b9de0ca6 | 71 | #define LLDPD_FAST_TX_INTERVAL 1 |
72 | #define LLDPD_FAST_INIT 4 | |
4b292b55 VB |
73 | |
74 | #define USING_AGENTX_SUBAGENT_MODULE 1 | |
75 | ||
76 | #define PROTO_SEND_SIG struct lldpd *, struct lldpd_hardware * | |
77 | #define PROTO_DECODE_SIG struct lldpd *, char *, int, struct lldpd_hardware *, struct lldpd_chassis **, struct lldpd_port ** | |
78 | #define PROTO_GUESS_SIG char *, int | |
79 | ||
3d596bbe VB |
80 | #define ALIGNED_CAST(TYPE, ATTR) ((TYPE) (void *) (ATTR)) |
81 | ||
4b292b55 VB |
82 | struct protocol { |
83 | int mode; /* > 0 mode identifier (unique per protocol) */ | |
84 | int enabled; /* Is this protocol enabled? */ | |
85 | char *name; /* Name of protocol */ | |
86 | char arg; /* Argument to enable this protocol */ | |
87 | int(*send)(PROTO_SEND_SIG); /* How to send a frame */ | |
88 | int(*decode)(PROTO_DECODE_SIG); /* How to decode a frame */ | |
89 | int(*guess)(PROTO_GUESS_SIG); /* Can be NULL, use MAC address in this case */ | |
a98ed042 VB |
90 | u_int8_t mac1[ETHER_ADDR_LEN]; /* Destination MAC address used by this protocol */ |
91 | u_int8_t mac2[ETHER_ADDR_LEN]; /* Destination MAC address used by this protocol */ | |
92 | u_int8_t mac3[ETHER_ADDR_LEN]; /* Destination MAC address used by this protocol */ | |
4b292b55 VB |
93 | }; |
94 | ||
4b292b55 VB |
95 | #define SMART_HIDDEN(port) (port->p_hidden_in) |
96 | ||
13181ede | 97 | struct lldpd; |
4b292b55 | 98 | |
4b292b55 VB |
99 | /* lldpd.c */ |
100 | struct lldpd_hardware *lldpd_get_hardware(struct lldpd *, | |
32945d6a | 101 | char *, int); |
e12c2365 | 102 | struct lldpd_hardware *lldpd_alloc_hardware(struct lldpd *, char *, int); |
4b292b55 VB |
103 | void lldpd_hardware_cleanup(struct lldpd*, struct lldpd_hardware *); |
104 | struct lldpd_mgmt *lldpd_alloc_mgmt(int family, void *addr, size_t addrsize, u_int32_t iface); | |
105 | void lldpd_recv(struct lldpd *, struct lldpd_hardware *, int); | |
579bedd5 | 106 | void lldpd_send(struct lldpd_hardware *); |
4b292b55 | 107 | void lldpd_loop(struct lldpd *); |
1e0d651f | 108 | int lldpd_main(int, char **, char **); |
0484f180 | 109 | void lldpd_update_localports(struct lldpd *); |
e6f64ed9 | 110 | void lldpd_update_localchassis(struct lldpd *); |
3333d2a8 | 111 | void lldpd_cleanup(struct lldpd *); |
0484f180 | 112 | |
579bedd5 VB |
113 | /* frame.c */ |
114 | u_int16_t frame_checksum(const u_int8_t *, int, int); | |
4b292b55 VB |
115 | |
116 | /* event.c */ | |
117 | void levent_loop(struct lldpd *); | |
f144d837 | 118 | void levent_shutdown(struct lldpd *); |
4b292b55 VB |
119 | void levent_hardware_init(struct lldpd_hardware *); |
120 | void levent_hardware_add_fd(struct lldpd_hardware *, int); | |
121 | void levent_hardware_release(struct lldpd_hardware *); | |
4e90a9e0 | 122 | void levent_ctl_notify(char *, int, struct lldpd_port *); |
47287a61 | 123 | void levent_send_now(struct lldpd *); |
e681c859 | 124 | void levent_update_now(struct lldpd *); |
aa313f2a | 125 | int levent_iface_subscribe(struct lldpd *, int); |
579bedd5 | 126 | void levent_schedule_pdu(struct lldpd_hardware *); |
3333d2a8 | 127 | void levent_schedule_cleanup(struct lldpd *); |
bec75f84 | 128 | int levent_make_socket_nonblocking(int); |
327b1d62 | 129 | int levent_make_socket_blocking(int); |
6c3697f2 VB |
130 | #ifdef HOST_OS_LINUX |
131 | void levent_recv_error(int, const char*); | |
132 | #endif | |
4b292b55 VB |
133 | |
134 | /* lldp.c */ | |
e770b720 | 135 | int lldp_send_shutdown(PROTO_SEND_SIG); |
4b292b55 VB |
136 | int lldp_send(PROTO_SEND_SIG); |
137 | int lldp_decode(PROTO_DECODE_SIG); | |
138 | ||
139 | /* cdp.c */ | |
140 | #ifdef ENABLE_CDP | |
141 | int cdpv1_send(PROTO_SEND_SIG); | |
142 | int cdpv2_send(PROTO_SEND_SIG); | |
143 | int cdpv1_guess(PROTO_GUESS_SIG); | |
144 | int cdpv2_guess(PROTO_GUESS_SIG); | |
145 | #endif | |
146 | #if defined (ENABLE_CDP) || defined (ENABLE_FDP) | |
147 | int cdp_decode(PROTO_DECODE_SIG); | |
148 | #endif | |
149 | #ifdef ENABLE_FDP | |
150 | int fdp_send(PROTO_SEND_SIG); | |
151 | #endif | |
152 | ||
153 | #ifdef ENABLE_SONMP | |
154 | /* sonmp.c */ | |
155 | int sonmp_send(PROTO_SEND_SIG); | |
156 | int sonmp_decode(PROTO_DECODE_SIG); | |
157 | #endif | |
158 | ||
159 | #ifdef ENABLE_EDP | |
160 | /* edp.c */ | |
161 | int edp_send(PROTO_SEND_SIG); | |
162 | int edp_decode(PROTO_DECODE_SIG); | |
163 | #endif | |
164 | ||
4b292b55 VB |
165 | /* dmi.c */ |
166 | #ifdef ENABLE_LLDPMED | |
4b292b55 VB |
167 | char *dmi_hw(void); |
168 | char *dmi_fw(void); | |
169 | char *dmi_sn(void); | |
170 | char *dmi_manuf(void); | |
171 | char *dmi_model(void); | |
172 | char *dmi_asset(void); | |
173 | #endif | |
4b292b55 | 174 | |
25de85a4 | 175 | #ifdef USE_SNMP |
4b292b55 VB |
176 | /* agent.c */ |
177 | void agent_shutdown(void); | |
83d4b776 | 178 | void agent_init(struct lldpd *, const char *); |
25de85a4 VB |
179 | void agent_notify(struct lldpd_hardware *, int, struct lldpd_port *); |
180 | #endif | |
4b292b55 | 181 | |
71a7dbb3 | 182 | #ifdef ENABLE_PRIVSEP |
4b292b55 VB |
183 | /* agent_priv.c */ |
184 | void agent_priv_register_domain(void); | |
71a7dbb3 | 185 | #endif |
4b292b55 VB |
186 | |
187 | /* client.c */ | |
e0478a46 VB |
188 | int |
189 | client_handle_client(struct lldpd *cfg, | |
190 | ssize_t(*send)(void *, int, void *, size_t), | |
191 | void *, | |
4e90a9e0 VB |
192 | enum hmsg_type type, void *buffer, size_t n, |
193 | int*); | |
4b292b55 VB |
194 | |
195 | /* priv.c */ | |
83577a2b | 196 | void priv_init(const char*, int, uid_t, gid_t); |
71a7dbb3 | 197 | void priv_wait(void); |
0262adbb | 198 | void priv_ctl_cleanup(const char *ctlname); |
1fa7d39f | 199 | char *priv_gethostname(void); |
e12c2365 | 200 | #ifdef HOST_OS_LINUX |
70c9cb05 | 201 | int priv_open(char*); |
4ea0565e | 202 | void asroot_open(void); |
e12c2365 | 203 | #endif |
fc5526da VB |
204 | int priv_iface_init(int, char *, int); |
205 | int asroot_iface_init_os(int, char *, int *, int); | |
a98ed042 | 206 | int priv_iface_multicast(const char *, const u_int8_t *, int); |
47820fc4 VB |
207 | int priv_iface_description(const char *, const char *); |
208 | int asroot_iface_description_os(const char *, const char *); | |
f84199dd VB |
209 | int priv_iface_promisc(const char*); |
210 | int asroot_iface_promisc_os(const char *); | |
4b292b55 VB |
211 | int priv_snmp_socket(struct sockaddr_un *); |
212 | ||
065732ca | 213 | enum priv_cmd { |
4ea0565e VB |
214 | PRIV_PING, |
215 | PRIV_DELETE_CTL_SOCKET, | |
216 | PRIV_GET_HOSTNAME, | |
217 | PRIV_OPEN, | |
4ea0565e VB |
218 | PRIV_IFACE_INIT, |
219 | PRIV_IFACE_MULTICAST, | |
47820fc4 | 220 | PRIV_IFACE_DESCRIPTION, |
f84199dd | 221 | PRIV_IFACE_PROMISC, |
4ea0565e | 222 | PRIV_SNMP_SOCKET, |
065732ca | 223 | }; |
4ea0565e | 224 | |
00e40dba | 225 | /* priv-seccomp.c */ |
71a7dbb3 | 226 | #if defined USE_SECCOMP && defined ENABLE_PRIVSEP |
00e40dba VB |
227 | int priv_seccomp_init(int, int); |
228 | #endif | |
4ea0565e VB |
229 | |
230 | /* privsep_io.c */ | |
d2a289bb VB |
231 | enum priv_context { |
232 | PRIV_PRIVILEGED, | |
233 | PRIV_UNPRIVILEGED | |
234 | }; | |
235 | int may_read(enum priv_context, void *, size_t); | |
236 | void must_read(enum priv_context, void *, size_t); | |
237 | void must_write(enum priv_context, const void *, size_t); | |
238 | void priv_privileged_fd(int); | |
239 | void priv_unprivileged_fd(int); | |
327b1d62 | 240 | int priv_fd(enum priv_context); |
d2a289bb VB |
241 | int receive_fd(enum priv_context); |
242 | void send_fd(enum priv_context, int); | |
4b292b55 | 243 | |
e12c2365 | 244 | /* interfaces-*.c */ |
e12c2365 | 245 | |
adbb6e54 VB |
246 | /* BPF filter to get revelant information from interfaces */ |
247 | /* LLDP: "ether proto 0x88cc and ether dst 01:80:c2:00:00:0e" */ | |
248 | /* FDP: "ether dst 01:e0:52:cc:cc:cc" */ | |
249 | /* CDP: "ether dst 01:00:0c:cc:cc:cc" */ | |
250 | /* SONMP: "ether dst 01:00:81:00:01:00" */ | |
251 | /* EDP: "ether dst 00:e0:2b:00:00:00" */ | |
252 | /* For optimization purpose, we first check if the first bit of the | |
253 | first byte is 1. if not, this can only be an EDP packet: | |
254 | ||
255 | tcpdump -dd "(ether[0] & 1 = 1 and | |
a98ed042 VB |
256 | ((ether proto 0x88cc and (ether dst 01:80:c2:00:00:0e or |
257 | ether dst 01:80:c2:00:00:03 or | |
258 | ether dst 01:80:c2:00:00:00)) or | |
adbb6e54 VB |
259 | (ether dst 01:e0:52:cc:cc:cc) or |
260 | (ether dst 01:00:0c:cc:cc:cc) or | |
261 | (ether dst 01:00:81:00:01:00))) or | |
262 | (ether dst 00:e0:2b:00:00:00)" | |
263 | */ | |
264 | ||
fc5526da | 265 | #define ETH_P_LLDP 0x88cc |
adbb6e54 VB |
266 | #define LLDPD_FILTER_F \ |
267 | { 0x30, 0, 0, 0x00000000 }, \ | |
268 | { 0x54, 0, 0, 0x00000001 }, \ | |
a98ed042 | 269 | { 0x15, 0, 16, 0x00000001 }, \ |
adbb6e54 | 270 | { 0x28, 0, 0, 0x0000000c }, \ |
fc5526da | 271 | { 0x15, 0, 6, ETH_P_LLDP }, \ |
adbb6e54 | 272 | { 0x20, 0, 0, 0x00000002 }, \ |
a98ed042 VB |
273 | { 0x15, 2, 0, 0xc200000e }, \ |
274 | { 0x15, 1, 0, 0xc2000003 }, \ | |
275 | { 0x15, 0, 2, 0xc2000000 }, \ | |
adbb6e54 VB |
276 | { 0x28, 0, 0, 0x00000000 }, \ |
277 | { 0x15, 12, 13, 0x00000180 }, \ | |
278 | { 0x20, 0, 0, 0x00000002 }, \ | |
279 | { 0x15, 0, 2, 0x52cccccc }, \ | |
280 | { 0x28, 0, 0, 0x00000000 }, \ | |
281 | { 0x15, 8, 9, 0x000001e0 }, \ | |
282 | { 0x15, 1, 0, 0x0ccccccc }, \ | |
283 | { 0x15, 0, 2, 0x81000100 }, \ | |
284 | { 0x28, 0, 0, 0x00000000 }, \ | |
285 | { 0x15, 4, 5, 0x00000100 }, \ | |
286 | { 0x20, 0, 0, 0x00000002 }, \ | |
287 | { 0x15, 0, 3, 0x2b000000 }, \ | |
288 | { 0x28, 0, 0, 0x00000000 }, \ | |
289 | { 0x15, 0, 1, 0x000000e0 }, \ | |
a98ed042 VB |
290 | { 0x6, 0, 0, 0x00040000 }, \ |
291 | { 0x6, 0, 0, 0x00000000 } | |
adbb6e54 VB |
292 | |
293 | /* This function is responsible to refresh information about interfaces. It is | |
294 | * OS specific but should be present for each OS. It can use the functions in | |
295 | * `interfaces.c` as helper by providing a list of OS-independent interface | |
296 | * devices. */ | |
297 | void interfaces_update(struct lldpd *); | |
adbb6e54 VB |
298 | |
299 | /* interfaces.c */ | |
300 | /* An interface cannot be both physical and (bridge or bond or vlan) */ | |
301 | #define IFACE_PHYSICAL_T (1 << 0) /* Physical interface */ | |
302 | #define IFACE_BRIDGE_T (1 << 1) /* Bridge interface */ | |
303 | #define IFACE_BOND_T (1 << 2) /* Bond interface */ | |
304 | #define IFACE_VLAN_T (1 << 3) /* VLAN interface */ | |
305 | #define IFACE_WIRELESS_T (1 << 4) /* Wireless interface */ | |
626ea361 RM |
306 | #define IFACE_BRIDGE_PORT_T (1 << 5) /* Bridge Port */ |
307 | #define IFACE_BOND_SLAVE_T (1 << 6) /* Bond slave */ | |
308 | ||
309 | #define MAX_VLAN 4096 | |
310 | #define VLAN_BITMAP_LEN (MAX_VLAN / 32) | |
adbb6e54 VB |
311 | struct interfaces_device { |
312 | TAILQ_ENTRY(interfaces_device) next; | |
0fa2254b | 313 | int ignore; /* Ignore this interface */ |
e12c2365 VB |
314 | int index; /* Index */ |
315 | char *name; /* Name */ | |
316 | char *alias; /* Alias */ | |
e12c2365 | 317 | char *address; /* MAC address */ |
adbb6e54 VB |
318 | char *driver; /* Driver (for whitelisting purpose) */ |
319 | int flags; /* Flags (IFF_*) */ | |
320 | int mtu; /* MTU */ | |
321 | int type; /* Type (see IFACE_*_T) */ | |
626ea361 | 322 | uint32_t vlan_bmap[VLAN_BITMAP_LEN]; /* If a VLAN, what are the VLAN ID? */ |
011056b3 | 323 | int pvid; /* If a VLAN, what is the default VLAN? */ |
adbb6e54 VB |
324 | struct interfaces_device *lower; /* Lower interface (for a VLAN for example) */ |
325 | struct interfaces_device *upper; /* Upper interface (for a bridge or a bond) */ | |
326 | ||
327 | /* The following are OS specific. Should be static (no free function) */ | |
328 | #ifdef HOST_OS_LINUX | |
329 | int lower_idx; /* Index to lower interface */ | |
330 | int upper_idx; /* Index to upper interface */ | |
adbb6e54 | 331 | #endif |
e12c2365 | 332 | }; |
adbb6e54 VB |
333 | struct interfaces_address { |
334 | TAILQ_ENTRY(interfaces_address) next; | |
335 | int index; /* Index */ | |
336 | int flags; /* Flags */ | |
e12c2365 | 337 | struct sockaddr_storage address; /* Address */ |
adbb6e54 VB |
338 | |
339 | /* The following are OS specific. */ | |
340 | /* Nothing yet. */ | |
e12c2365 | 341 | }; |
adbb6e54 VB |
342 | TAILQ_HEAD(interfaces_device_list, interfaces_device); |
343 | TAILQ_HEAD(interfaces_address_list, interfaces_address); | |
344 | void interfaces_free_device(struct interfaces_device *); | |
345 | void interfaces_free_address(struct interfaces_address *); | |
346 | void interfaces_free_devices(struct interfaces_device_list *); | |
347 | void interfaces_free_addresses(struct interfaces_address_list *); | |
348 | struct interfaces_device* interfaces_indextointerface( | |
349 | struct interfaces_device_list *, | |
350 | int); | |
351 | struct interfaces_device* interfaces_nametointerface( | |
352 | struct interfaces_device_list *, | |
353 | const char *); | |
354 | ||
f84199dd VB |
355 | void interfaces_helper_promisc(struct lldpd *, |
356 | struct lldpd_hardware *); | |
adbb6e54 VB |
357 | void interfaces_helper_whitelist(struct lldpd *, |
358 | struct interfaces_device_list *); | |
359 | void interfaces_helper_chassis(struct lldpd *, | |
360 | struct interfaces_device_list *); | |
bdfe4193 VB |
361 | void interfaces_helper_add_hardware(struct lldpd *, |
362 | struct lldpd_hardware *); | |
adbb6e54 | 363 | void interfaces_helper_physical(struct lldpd *, |
88bc404f | 364 | struct interfaces_device_list *, |
22e8cd65 | 365 | struct lldpd_ops *, |
88bc404f | 366 | int(*init)(struct lldpd *, struct lldpd_hardware *)); |
8fbd3195 ST |
367 | void interfaces_helper_port_name_desc(struct lldpd *, |
368 | struct lldpd_hardware *, | |
adbb6e54 VB |
369 | struct interfaces_device *); |
370 | void interfaces_helper_mgmt(struct lldpd *, | |
68bc4a4d VB |
371 | struct interfaces_address_list *, |
372 | struct interfaces_device_list *); | |
adbb6e54 VB |
373 | #ifdef ENABLE_DOT1 |
374 | void interfaces_helper_vlan(struct lldpd *, | |
375 | struct interfaces_device_list *); | |
376 | #endif | |
5347914e VB |
377 | int interfaces_send_helper(struct lldpd *, |
378 | struct lldpd_hardware *, char *, size_t); | |
adbb6e54 VB |
379 | |
380 | void interfaces_setup_multicast(struct lldpd *, const char *, int); | |
c3e340b6 | 381 | int interfaces_routing_enabled(struct lldpd *); |
13181ede | 382 | void interfaces_cleanup(struct lldpd *); |
adbb6e54 VB |
383 | |
384 | #ifdef HOST_OS_LINUX | |
385 | /* netlink.c */ | |
13181ede VB |
386 | struct interfaces_device_list *netlink_get_interfaces(struct lldpd *); |
387 | struct interfaces_address_list *netlink_get_addresses(struct lldpd *); | |
388 | void netlink_cleanup(struct lldpd *); | |
389 | struct lldpd_netlink; | |
e12c2365 VB |
390 | #endif |
391 | ||
626ea361 RM |
392 | void bitmap_set(uint32_t *bmap, uint16_t vlan_id); |
393 | int is_bitmap_empty(uint32_t *bmap); | |
394 | ||
c3e340b6 VB |
395 | #ifndef HOST_OS_LINUX |
396 | int ifbpf_phys_init(struct lldpd *, struct lldpd_hardware *); | |
397 | #endif | |
398 | ||
d5e69431 VB |
399 | /* pattern.c */ |
400 | int pattern_match(char *, char *, int); | |
401 | ||
13181ede VB |
402 | struct lldpd { |
403 | int g_sock; | |
404 | struct event_base *g_base; | |
405 | #ifdef USE_SNMP | |
406 | #endif | |
407 | ||
408 | struct lldpd_config g_config; | |
409 | ||
410 | struct protocol *g_protocols; | |
411 | int g_lastrid; | |
412 | struct event *g_main_loop; | |
413 | struct event *g_cleanup_timer; | |
414 | #ifdef USE_SNMP | |
415 | int g_snmp; | |
416 | struct event *g_snmp_timeout; | |
417 | void *g_snmp_fds; | |
418 | const char *g_snmp_agentx; | |
419 | #endif /* USE_SNMP */ | |
420 | ||
421 | /* Unix socket handling */ | |
422 | const char *g_ctlname; | |
423 | int g_ctl; | |
424 | struct event *g_iface_event; /* Triggered when there is an interface change */ | |
425 | struct event *g_iface_timer_event; /* Triggered one second after last interface change */ | |
426 | void(*g_iface_cb)(struct lldpd *); /* Called when there is an interface change */ | |
427 | ||
428 | char *g_lsb_release; | |
429 | ||
430 | #ifdef HOST_OS_LINUX | |
431 | struct lldpd_netlink *g_netlink; | |
432 | #endif | |
433 | ||
9da663f7 | 434 | struct lldpd_port *g_default_local_port; |
13181ede VB |
435 | #define LOCAL_CHASSIS(cfg) ((struct lldpd_chassis *)(TAILQ_FIRST(&cfg->g_chassis))) |
436 | TAILQ_HEAD(, lldpd_chassis) g_chassis; | |
437 | TAILQ_HEAD(, lldpd_hardware) g_hardware; | |
438 | }; | |
439 | ||
4b292b55 | 440 | #endif /* _LLDPD_H */ |