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4b292b55 | 1 | /* -*- mode: c; c-file-style: "openbsd" -*- */ |
6e75df87 VB |
2 | /* |
3 | * Copyright (c) 2008 Vincent Bernat <bernat@luffy.cx> | |
4 | * | |
51434125 | 5 | * Permission to use, copy, modify, and/or distribute this software for any |
6e75df87 VB |
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 | ||
6e75df87 VB |
18 | #include "lldpd.h" |
19 | ||
20 | #include <stdio.h> | |
21 | #include <unistd.h> | |
78c9dfde | 22 | #include <inttypes.h> |
6e75df87 VB |
23 | #include <errno.h> |
24 | #include <sys/ioctl.h> | |
d7460a6f ALG |
25 | #if defined(__clang__) |
26 | #pragma clang diagnostic push | |
27 | #pragma clang diagnostic ignored "-Wdocumentation" | |
28 | #endif | |
6e75df87 VB |
29 | #include <linux/if_vlan.h> |
30 | #include <linux/if_bonding.h> | |
31 | #include <linux/if_bridge.h> | |
32 | #include <linux/wireless.h> | |
33 | #include <linux/sockios.h> | |
6e75df87 | 34 | #include <linux/if_packet.h> |
e12c2365 | 35 | #include <linux/ethtool.h> |
d7460a6f ALG |
36 | #if defined(__clang__) |
37 | #pragma clang diagnostic pop | |
38 | #endif | |
6e75df87 VB |
39 | |
40 | #define SYSFS_PATH_MAX 256 | |
41 | #define MAX_PORTS 1024 | |
42 | #define MAX_BRIDGES 1024 | |
43 | ||
88bc404f VB |
44 | static int |
45 | iflinux_eth_init(struct lldpd *cfg, struct lldpd_hardware *hardware) | |
46 | { | |
e735a319 | 47 | int fd; |
88bc404f VB |
48 | |
49 | log_debug("interfaces", "initialize ethernet device %s", | |
50 | hardware->h_ifname); | |
e735a319 | 51 | if ((fd = priv_iface_init(hardware->h_ifindex, hardware->h_ifname)) == -1) |
88bc404f VB |
52 | return -1; |
53 | hardware->h_sendfd = fd; /* Send */ | |
54 | ||
88bc404f VB |
55 | interfaces_setup_multicast(cfg, hardware->h_ifname, 0); |
56 | ||
57 | levent_hardware_add_fd(hardware, fd); /* Receive */ | |
58 | log_debug("interfaces", "interface %s initialized (fd=%d)", hardware->h_ifname, | |
59 | fd); | |
60 | return 0; | |
61 | } | |
62 | ||
22e8cd65 VB |
63 | /* Generic ethernet send/receive */ |
64 | static int | |
65 | iflinux_eth_send(struct lldpd *cfg, struct lldpd_hardware *hardware, | |
66 | char *buffer, size_t size) | |
67 | { | |
68 | log_debug("interfaces", "send PDU to ethernet device %s (fd=%d)", | |
69 | hardware->h_ifname, hardware->h_sendfd); | |
70 | return write(hardware->h_sendfd, | |
71 | buffer, size); | |
72 | } | |
73 | ||
74 | static int | |
462ef2ce VB |
75 | iflinux_generic_recv(struct lldpd_hardware *hardware, |
76 | int fd, char *buffer, size_t size, | |
77 | struct sockaddr_ll *from) | |
22e8cd65 | 78 | { |
54cccdd4 VB |
79 | int n, retry = 0; |
80 | socklen_t fromlen; | |
22e8cd65 | 81 | |
54cccdd4 VB |
82 | retry: |
83 | fromlen = sizeof(*from); | |
84 | memset(from, 0, fromlen); | |
462ef2ce VB |
85 | if ((n = recvfrom(fd, buffer, size, 0, |
86 | (struct sockaddr *)from, | |
22e8cd65 | 87 | &fromlen)) == -1) { |
54cccdd4 VB |
88 | if (errno == EAGAIN && retry == 0) { |
89 | /* There may be an error queued in the socket. Clear it and retry. */ | |
6c3697f2 | 90 | levent_recv_error(fd, hardware->h_ifname); |
54cccdd4 VB |
91 | retry++; |
92 | goto retry; | |
93 | } | |
afd49b83 VB |
94 | if (errno == ENETDOWN) { |
95 | log_debug("interfaces", "error while receiving frame on %s (network down)", | |
96 | hardware->h_ifname); | |
97 | } else { | |
98 | log_warn("interfaces", "error while receiving frame on %s (retry: %d)", | |
99 | hardware->h_ifname, retry); | |
100 | hardware->h_rx_discarded_cnt++; | |
101 | } | |
22e8cd65 VB |
102 | return -1; |
103 | } | |
462ef2ce VB |
104 | if (from->sll_pkttype == PACKET_OUTGOING) |
105 | return -1; | |
106 | return n; | |
107 | } | |
108 | ||
109 | static int | |
110 | iflinux_eth_recv(struct lldpd *cfg, struct lldpd_hardware *hardware, | |
111 | int fd, char *buffer, size_t size) | |
112 | { | |
113 | int n; | |
54cccdd4 | 114 | struct sockaddr_ll from; |
462ef2ce VB |
115 | |
116 | log_debug("interfaces", "receive PDU from ethernet device %s", | |
117 | hardware->h_ifname); | |
118 | if ((n = iflinux_generic_recv(hardware, fd, buffer, size, &from)) == -1) | |
22e8cd65 VB |
119 | return -1; |
120 | return n; | |
121 | } | |
122 | ||
123 | static int | |
124 | iflinux_eth_close(struct lldpd *cfg, struct lldpd_hardware *hardware) | |
125 | { | |
126 | log_debug("interfaces", "close ethernet device %s", | |
127 | hardware->h_ifname); | |
128 | interfaces_setup_multicast(cfg, hardware->h_ifname, 1); | |
129 | return 0; | |
130 | } | |
131 | ||
132 | static struct lldpd_ops eth_ops = { | |
133 | .send = iflinux_eth_send, | |
134 | .recv = iflinux_eth_recv, | |
135 | .cleanup = iflinux_eth_close, | |
136 | }; | |
137 | ||
6e75df87 | 138 | static int |
adbb6e54 VB |
139 | iflinux_is_bridge(struct lldpd *cfg, |
140 | struct interfaces_device_list *interfaces, | |
141 | struct interfaces_device *iface) | |
6e75df87 | 142 | { |
16eacc5b | 143 | #ifdef ENABLE_OLDIES |
adbb6e54 | 144 | struct interfaces_device *port; |
6e75df87 VB |
145 | char path[SYSFS_PATH_MAX]; |
146 | int f; | |
147 | ||
adbb6e54 VB |
148 | if ((snprintf(path, SYSFS_PATH_MAX, |
149 | SYSFS_CLASS_NET "%s/" SYSFS_BRIDGE_FDB, | |
150 | iface->name)) >= SYSFS_PATH_MAX) | |
6f8925be | 151 | log_warnx("interfaces", "path truncated"); |
adbb6e54 | 152 | if ((f = priv_open(path)) < 0) |
31c9173a | 153 | return 0; |
6e75df87 | 154 | close(f); |
adbb6e54 VB |
155 | |
156 | /* Also grab all ports */ | |
157 | TAILQ_FOREACH(port, interfaces, next) { | |
158 | if (port->upper) continue; | |
159 | if (snprintf(path, SYSFS_PATH_MAX, | |
160 | SYSFS_CLASS_NET "%s/" SYSFS_BRIDGE_PORT_SUBDIR "/%s/port_no", | |
161 | iface->name, port->name) >= SYSFS_PATH_MAX) | |
162 | log_warnx("interfaces", "path truncated"); | |
163 | if ((f = priv_open(path)) < 0) | |
164 | continue; | |
165 | log_debug("interfaces", | |
166 | "port %s is bridged to %s", | |
167 | port->name, iface->name); | |
168 | port->upper = iface; | |
169 | close(f); | |
170 | } | |
171 | ||
6e75df87 | 172 | return 1; |
16eacc5b VB |
173 | #else |
174 | return 0; | |
175 | #endif | |
6e75df87 VB |
176 | } |
177 | ||
178 | static int | |
adbb6e54 VB |
179 | iflinux_is_vlan(struct lldpd *cfg, |
180 | struct interfaces_device_list *interfaces, | |
181 | struct interfaces_device *iface) | |
6e75df87 | 182 | { |
16eacc5b | 183 | #ifdef ENABLE_OLDIES |
b0cb07f7 | 184 | struct vlan_ioctl_args ifv = {}; |
6e75df87 | 185 | ifv.cmd = GET_VLAN_REALDEV_NAME_CMD; |
adbb6e54 VB |
186 | strlcpy(ifv.device1, iface->name, sizeof(ifv.device1)); |
187 | if (ioctl(cfg->g_sock, SIOCGIFVLAN, &ifv) >= 0) { | |
188 | /* This is a VLAN, get the lower interface and the VID */ | |
189 | struct interfaces_device *lower = | |
190 | interfaces_nametointerface(interfaces, ifv.u.device2); | |
191 | if (!lower) { | |
192 | log_debug("interfaces", | |
193 | "unable to find lower interface for VLAN %s", | |
194 | iface->name); | |
195 | return 0; | |
196 | } | |
6e75df87 | 197 | |
adbb6e54 VB |
198 | memset(&ifv, 0, sizeof(ifv)); |
199 | ifv.cmd = GET_VLAN_VID_CMD; | |
200 | strlcpy(ifv.device1, iface->name, sizeof(ifv.device1)); | |
201 | if (ioctl(cfg->g_sock, SIOCGIFVLAN, &ifv) < 0) { | |
202 | log_debug("interfaces", | |
203 | "unable to find VID for VLAN %s", | |
204 | iface->name); | |
205 | return 0; | |
206 | } | |
6e75df87 | 207 | |
adbb6e54 VB |
208 | iface->lower = lower; |
209 | iface->vlanid = ifv.u.VID; | |
6e75df87 | 210 | return 1; |
adbb6e54 | 211 | } |
16eacc5b | 212 | #endif |
6e75df87 VB |
213 | return 0; |
214 | } | |
215 | ||
216 | static int | |
adbb6e54 VB |
217 | iflinux_is_bond(struct lldpd *cfg, |
218 | struct interfaces_device_list *interfaces, | |
219 | struct interfaces_device *master) | |
6e75df87 | 220 | { |
16eacc5b | 221 | #ifdef ENABLE_OLDIES |
f5a0a15e VB |
222 | /* Shortcut if we detect the new team driver. Upper and lower links |
223 | * should already be set with netlink in this case. */ | |
224 | if (master->driver && !strcmp(master->driver, "team")) { | |
225 | return 1; | |
226 | } | |
227 | ||
b0cb07f7 VB |
228 | struct ifreq ifr = {}; |
229 | struct ifbond ifb = {}; | |
c557a63b | 230 | strlcpy(ifr.ifr_name, master->name, sizeof(ifr.ifr_name)); |
8f88ff70 | 231 | ifr.ifr_data = (char *)&ifb; |
6e75df87 VB |
232 | if (ioctl(cfg->g_sock, SIOCBONDINFOQUERY, &ifr) >= 0) { |
233 | while (ifb.num_slaves--) { | |
adbb6e54 | 234 | struct ifslave ifs; |
6e75df87 VB |
235 | memset(&ifr, 0, sizeof(ifr)); |
236 | memset(&ifs, 0, sizeof(ifs)); | |
c557a63b | 237 | strlcpy(ifr.ifr_name, master->name, sizeof(ifr.ifr_name)); |
8f88ff70 | 238 | ifr.ifr_data = (char *)&ifs; |
6e75df87 | 239 | ifs.slave_id = ifb.num_slaves; |
adbb6e54 VB |
240 | if (ioctl(cfg->g_sock, SIOCBONDSLAVEINFOQUERY, &ifr) >= 0) { |
241 | struct interfaces_device *slave = | |
242 | interfaces_nametointerface(interfaces, | |
243 | ifs.slave_name); | |
244 | if (slave == NULL) continue; | |
245 | if (slave->upper) continue; | |
246 | log_debug("interfaces", | |
247 | "interface %s is enslaved to %s", | |
248 | slave->name, master->name); | |
249 | slave->upper = master; | |
6e75df87 VB |
250 | } |
251 | } | |
adbb6e54 | 252 | return 1; |
6e75df87 | 253 | } |
16eacc5b | 254 | #endif |
6e75df87 VB |
255 | return 0; |
256 | } | |
257 | ||
2d8bd087 VB |
258 | /** |
259 | * Get permanent MAC from ethtool. | |
260 | * | |
261 | * Return 0 on success, -1 on error. | |
262 | */ | |
263 | static int | |
264 | iflinux_get_permanent_mac_ethtool(struct lldpd *cfg, | |
265 | struct interfaces_device_list *interfaces, | |
266 | struct interfaces_device *iface) | |
267 | { | |
8505c295 | 268 | int ret = -1; |
2d8bd087 | 269 | struct ifreq ifr = {}; |
8505c295 VB |
270 | struct ethtool_perm_addr *epaddr = calloc(sizeof(struct ethtool_perm_addr) + ETHER_ADDR_LEN, 1); |
271 | if (epaddr == NULL) goto end; | |
2d8bd087 VB |
272 | |
273 | strlcpy(ifr.ifr_name, iface->name, sizeof(ifr.ifr_name)); | |
8505c295 VB |
274 | epaddr->cmd = ETHTOOL_GPERMADDR; |
275 | epaddr->size = ETHER_ADDR_LEN; | |
276 | ifr.ifr_data = (caddr_t)epaddr; | |
2d8bd087 VB |
277 | if (ioctl(cfg->g_sock, SIOCETHTOOL, &ifr) == -1) { |
278 | static int once = 0; | |
279 | if (errno == EPERM && !once) { | |
822804ac | 280 | log_warnx("interfaces", |
2d8bd087 VB |
281 | "no permission to get permanent MAC address for %s (requires 2.6.19+)", |
282 | iface->name); | |
283 | once = 1; | |
8505c295 | 284 | goto end; |
2d8bd087 VB |
285 | } |
286 | if (errno != EPERM) | |
c4c9f15a | 287 | log_warn("interfaces", "cannot get permanent MAC address for %s", |
2d8bd087 | 288 | iface->name); |
8505c295 | 289 | goto end; |
2d8bd087 | 290 | } |
8505c295 VB |
291 | if (epaddr->data[0] != 0 || |
292 | epaddr->data[1] != 0 || | |
293 | epaddr->data[2] != 0 || | |
294 | epaddr->data[3] != 0 || | |
295 | epaddr->data[4] != 0 || | |
296 | epaddr->data[5] != 0) { | |
297 | memcpy(iface->address, epaddr->data, ETHER_ADDR_LEN); | |
298 | ret = 0; | |
299 | goto end; | |
2d8bd087 | 300 | } |
c4c9f15a | 301 | log_debug("interfaces", "cannot get permanent MAC for %s (all 0)", iface->name); |
8505c295 VB |
302 | end: |
303 | free(epaddr); | |
304 | return ret; | |
2d8bd087 VB |
305 | } |
306 | ||
307 | /** | |
308 | * Get permanent MAC address for a bond device. | |
309 | */ | |
1a3ec373 | 310 | static void |
2d8bd087 | 311 | iflinux_get_permanent_mac_bond(struct lldpd *cfg, |
01293dc4 VB |
312 | struct interfaces_device_list *interfaces, |
313 | struct interfaces_device *iface) | |
314 | { | |
2d8bd087 | 315 | struct interfaces_device *master = iface->upper; |
01293dc4 VB |
316 | int f, state = 0; |
317 | FILE *netbond; | |
318 | const char *slaveif = "Slave Interface: "; | |
319 | const char *hwaddr = "Permanent HW addr: "; | |
320 | u_int8_t mac[ETHER_ADDR_LEN]; | |
321 | char path[SYSFS_PATH_MAX]; | |
322 | char line[100]; | |
323 | ||
01293dc4 VB |
324 | /* We have a bond, we need to query it to get real MAC addresses */ |
325 | if (snprintf(path, SYSFS_PATH_MAX, "/proc/net/bonding/%s", | |
326 | master->name) >= SYSFS_PATH_MAX) { | |
327 | log_warnx("interfaces", "path truncated"); | |
328 | return; | |
329 | } | |
330 | if ((f = priv_open(path)) < 0) { | |
331 | if (snprintf(path, SYSFS_PATH_MAX, "/proc/self/net/bonding/%s", | |
332 | master->name) >= SYSFS_PATH_MAX) { | |
333 | log_warnx("interfaces", "path truncated"); | |
334 | return; | |
335 | } | |
336 | f = priv_open(path); | |
337 | } | |
338 | if (f < 0) { | |
0b7f8847 VB |
339 | log_warnx("interfaces", |
340 | "unable to get permanent MAC address for %s", | |
2d8bd087 | 341 | iface->name); |
01293dc4 VB |
342 | return; |
343 | } | |
344 | if ((netbond = fdopen(f, "r")) == NULL) { | |
345 | log_warn("interfaces", "unable to read stream from %s", path); | |
346 | close(f); | |
347 | return; | |
348 | } | |
349 | /* State 0: | |
350 | We parse the file to search "Slave Interface: ". If found, go to | |
351 | state 1. | |
352 | State 1: | |
353 | We parse the file to search "Permanent HW addr: ". If found, we get | |
354 | the mac. | |
355 | */ | |
356 | while (fgets(line, sizeof(line), netbond)) { | |
357 | switch (state) { | |
358 | case 0: | |
359 | if (strncmp(line, slaveif, strlen(slaveif)) == 0) { | |
360 | if (line[strlen(line)-1] == '\n') | |
361 | line[strlen(line)-1] = '\0'; | |
362 | if (strcmp(iface->name, | |
363 | line + strlen(slaveif)) == 0) | |
364 | state++; | |
365 | } | |
366 | break; | |
367 | case 1: | |
368 | if (strncmp(line, hwaddr, strlen(hwaddr)) == 0) { | |
369 | if (line[strlen(line)-1] == '\n') | |
370 | line[strlen(line)-1] = '\0'; | |
371 | if (sscanf(line + strlen(hwaddr), | |
372 | "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", | |
373 | &mac[0], &mac[1], &mac[2], | |
374 | &mac[3], &mac[4], &mac[5]) != | |
375 | ETHER_ADDR_LEN) { | |
376 | log_warn("interfaces", "unable to parse %s", | |
377 | line + strlen(hwaddr)); | |
378 | fclose(netbond); | |
379 | return; | |
380 | } | |
381 | memcpy(iface->address, mac, | |
382 | ETHER_ADDR_LEN); | |
383 | fclose(netbond); | |
384 | return; | |
385 | } | |
386 | break; | |
387 | } | |
388 | } | |
2d8bd087 | 389 | log_warnx("interfaces", "unable to find real MAC address for enslaved %s", |
01293dc4 VB |
390 | iface->name); |
391 | fclose(netbond); | |
392 | } | |
393 | ||
2d8bd087 VB |
394 | /** |
395 | * Get permanent MAC. | |
396 | */ | |
397 | static void | |
398 | iflinux_get_permanent_mac(struct lldpd *cfg, | |
399 | struct interfaces_device_list *interfaces, | |
400 | struct interfaces_device *iface) | |
401 | { | |
402 | struct interfaces_device *master = iface->upper; | |
403 | ||
404 | if (master == NULL || master->type != IFACE_BOND_T) | |
405 | return; | |
406 | if (iflinux_get_permanent_mac_ethtool(cfg, interfaces, iface) == -1 && | |
407 | (master->driver == NULL || !strcmp(master->driver, "bonding"))) | |
408 | /* Fallback to old method for a bond */ | |
409 | iflinux_get_permanent_mac_bond(cfg, interfaces, iface); | |
410 | } | |
411 | ||
dd55e649 | 412 | #ifdef ENABLE_DOT3 |
78c9dfde VB |
413 | #define ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32 (SCHAR_MAX) |
414 | #define ETHTOOL_DECLARE_LINK_MODE_MASK(name) \ | |
415 | uint32_t name[ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32] | |
416 | ||
417 | struct ethtool_link_usettings { | |
418 | struct ethtool_link_settings base; | |
419 | struct { | |
420 | ETHTOOL_DECLARE_LINK_MODE_MASK(supported); | |
421 | ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); | |
422 | ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); | |
423 | } link_modes; | |
424 | }; | |
425 | ||
e86777ab | 426 | static int |
38cbcf2b VB |
427 | iflinux_ethtool_link_mode_test_bit(unsigned int nr, const uint32_t *mask) |
428 | { | |
429 | if (nr >= 32 * ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32) | |
430 | return 0; | |
431 | return !!(mask[nr / 32] & (1 << (nr % 32))); | |
432 | } | |
e86777ab | 433 | static void |
38cbcf2b VB |
434 | iflinux_ethtool_link_mode_unset_bit(unsigned int nr, uint32_t *mask) |
435 | { | |
436 | if (nr >= 32 * ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32) | |
437 | return; | |
438 | mask[nr / 32] &= ~(1 << (nr % 32)); | |
439 | } | |
e86777ab | 440 | static int |
38cbcf2b VB |
441 | iflinux_ethtool_link_mode_is_empty(const uint32_t *mask) |
442 | { | |
443 | for (unsigned int i = 0; | |
444 | i < ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32; | |
445 | ++i) { | |
446 | if (mask[i] != 0) | |
447 | return 0; | |
448 | } | |
449 | ||
450 | return 1; | |
451 | } | |
452 | ||
78c9dfde VB |
453 | static int |
454 | iflinux_ethtool_glink(struct lldpd *cfg, const char *ifname, struct ethtool_link_usettings *uset) { | |
455 | int rc; | |
456 | ||
457 | /* Try with ETHTOOL_GLINKSETTINGS first */ | |
458 | struct { | |
459 | struct ethtool_link_settings req; | |
460 | uint32_t link_mode_data[3 * ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32]; | |
461 | } ecmd; | |
462 | static int8_t nwords = 0; | |
463 | struct ifreq ifr = {}; | |
464 | strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); | |
465 | ||
466 | if (nwords == 0) { | |
467 | /* Do a handshake first. We assume that this is device-independant. */ | |
468 | memset(&ecmd, 0, sizeof(ecmd)); | |
469 | ecmd.req.cmd = ETHTOOL_GLINKSETTINGS; | |
470 | ifr.ifr_data = (caddr_t)&ecmd; | |
471 | rc = ioctl(cfg->g_sock, SIOCETHTOOL, &ifr); | |
472 | if (rc == 0) { | |
473 | nwords = -ecmd.req.link_mode_masks_nwords; | |
474 | log_debug("interfaces", "glinksettings nwords is %" PRId8, nwords); | |
68caeec4 VB |
475 | } else { |
476 | static int once = 0; | |
477 | if (errno == EPERM && !once) { | |
822804ac | 478 | log_warnx("interfaces", |
68caeec4 | 479 | "cannot get ethtool link information " |
822804ac VB |
480 | "with GLINKSETTINGS (requires 4.9+). " |
481 | "25G+ speeds may be missing in MAC/PHY TLVs"); | |
68caeec4 VB |
482 | once = 1; |
483 | } | |
484 | nwords = -1; | |
485 | } | |
78c9dfde VB |
486 | } |
487 | if (nwords > 0) { | |
488 | memset(&ecmd, 0, sizeof(ecmd)); | |
489 | ecmd.req.cmd = ETHTOOL_GLINKSETTINGS; | |
490 | ecmd.req.link_mode_masks_nwords = nwords; | |
491 | ifr.ifr_data = (caddr_t)&ecmd; | |
492 | rc = ioctl(cfg->g_sock, SIOCETHTOOL, &ifr); | |
493 | if (rc == 0) { | |
494 | log_debug("interfaces", "got ethtool results for %s with GLINKSETTINGS", | |
495 | ifname); | |
496 | memcpy(&uset->base, &ecmd.req, sizeof(uset->base)); | |
497 | unsigned int u32_offs = 0; | |
498 | memcpy(uset->link_modes.supported, | |
499 | &ecmd.link_mode_data[u32_offs], | |
500 | 4 * ecmd.req.link_mode_masks_nwords); | |
501 | u32_offs += ecmd.req.link_mode_masks_nwords; | |
502 | memcpy(uset->link_modes.advertising, | |
503 | &ecmd.link_mode_data[u32_offs], | |
504 | 4 * ecmd.req.link_mode_masks_nwords); | |
505 | u32_offs += ecmd.req.link_mode_masks_nwords; | |
506 | memcpy(uset->link_modes.lp_advertising, | |
507 | &ecmd.link_mode_data[u32_offs], | |
508 | 4 * ecmd.req.link_mode_masks_nwords); | |
509 | goto end; | |
510 | } | |
511 | } | |
512 | ||
513 | /* Try with ETHTOOL_GSET */ | |
514 | struct ethtool_cmd ethc; | |
515 | memset(ðc, 0, sizeof(ethc)); | |
516 | ethc.cmd = ETHTOOL_GSET; | |
517 | ifr.ifr_data = (caddr_t)ðc; | |
518 | rc = ioctl(cfg->g_sock, SIOCETHTOOL, &ifr); | |
519 | if (rc == 0) { | |
520 | /* Do a partial copy (only what we need) */ | |
521 | log_debug("interfaces", "got ethtool results for %s with GSET", | |
522 | ifname); | |
523 | memset(uset, 0, sizeof(*uset)); | |
524 | uset->base.cmd = ETHTOOL_GSET; | |
525 | uset->base.link_mode_masks_nwords = 1; | |
526 | uset->link_modes.supported[0] = ethc.supported; | |
527 | uset->link_modes.advertising[0] = ethc.advertising; | |
528 | uset->link_modes.lp_advertising[0] = ethc.lp_advertising; | |
529 | uset->base.speed = (ethc.speed_hi << 16) | ethc.speed; | |
530 | uset->base.duplex = ethc.duplex; | |
531 | uset->base.port = ethc.port; | |
532 | uset->base.autoneg = ethc.autoneg; | |
68caeec4 VB |
533 | } else { |
534 | static int once = 0; | |
535 | if (errno == EPERM && !once) { | |
822804ac | 536 | log_warnx("interfaces", |
68caeec4 | 537 | "cannot get ethtool link information " |
822804ac VB |
538 | "with GSET (requires 2.6.19+). " |
539 | "MAC/PHY TLV will be unavailable"); | |
68caeec4 VB |
540 | once = 1; |
541 | } | |
78c9dfde VB |
542 | } |
543 | end: | |
544 | return rc; | |
545 | } | |
38cbcf2b | 546 | |
6e75df87 VB |
547 | /* Fill up MAC/PHY for a given hardware port */ |
548 | static void | |
78c9dfde | 549 | iflinux_macphy(struct lldpd *cfg, struct lldpd_hardware *hardware) |
6e75df87 | 550 | { |
38cbcf2b | 551 | struct ethtool_link_usettings uset; |
6e75df87 VB |
552 | struct lldpd_port *port = &hardware->h_lport; |
553 | int j; | |
554 | int advertised_ethtool_to_rfc3636[][2] = { | |
38cbcf2b VB |
555 | {ETHTOOL_LINK_MODE_10baseT_Half_BIT, LLDP_DOT3_LINK_AUTONEG_10BASE_T}, |
556 | {ETHTOOL_LINK_MODE_10baseT_Full_BIT, LLDP_DOT3_LINK_AUTONEG_10BASET_FD}, | |
557 | {ETHTOOL_LINK_MODE_100baseT_Half_BIT, LLDP_DOT3_LINK_AUTONEG_100BASE_TX}, | |
558 | {ETHTOOL_LINK_MODE_100baseT_Full_BIT, LLDP_DOT3_LINK_AUTONEG_100BASE_TXFD}, | |
559 | {ETHTOOL_LINK_MODE_1000baseT_Half_BIT, LLDP_DOT3_LINK_AUTONEG_1000BASE_T}, | |
560 | {ETHTOOL_LINK_MODE_1000baseT_Full_BIT, LLDP_DOT3_LINK_AUTONEG_1000BASE_TFD}, | |
561 | {ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, LLDP_DOT3_LINK_AUTONEG_1000BASE_XFD}, | |
562 | {ETHTOOL_LINK_MODE_Pause_BIT, LLDP_DOT3_LINK_AUTONEG_FDX_PAUSE}, | |
563 | {ETHTOOL_LINK_MODE_Asym_Pause_BIT, LLDP_DOT3_LINK_AUTONEG_FDX_APAUSE}, | |
564 | {-1, 0}}; | |
6e75df87 | 565 | |
6f8925be VB |
566 | log_debug("interfaces", "ask ethtool for the appropriate MAC/PHY for %s", |
567 | hardware->h_ifname); | |
78c9dfde | 568 | if (iflinux_ethtool_glink(cfg, hardware->h_ifname, &uset) == 0) { |
38cbcf2b VB |
569 | port->p_macphy.autoneg_support = iflinux_ethtool_link_mode_test_bit( |
570 | ETHTOOL_LINK_MODE_Autoneg_BIT, uset.link_modes.supported); | |
571 | port->p_macphy.autoneg_enabled = (uset.base.autoneg == AUTONEG_DISABLE) ? 0 : 1; | |
572 | for (j=0; advertised_ethtool_to_rfc3636[j][0] >= 0; j++) { | |
573 | if (iflinux_ethtool_link_mode_test_bit( | |
574 | advertised_ethtool_to_rfc3636[j][0], | |
575 | uset.link_modes.advertising)) { | |
a97e3dfe | 576 | port->p_macphy.autoneg_advertised |= |
6e75df87 | 577 | advertised_ethtool_to_rfc3636[j][1]; |
38cbcf2b VB |
578 | iflinux_ethtool_link_mode_unset_bit( |
579 | advertised_ethtool_to_rfc3636[j][0], | |
580 | uset.link_modes.advertising); | |
a97e3dfe | 581 | } |
6e75df87 | 582 | } |
38cbcf2b VB |
583 | iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, uset.link_modes.advertising); |
584 | iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_TP_BIT, uset.link_modes.advertising); | |
585 | iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_AUI_BIT, uset.link_modes.advertising); | |
586 | iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_MII_BIT, uset.link_modes.advertising); | |
587 | iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, uset.link_modes.advertising); | |
588 | iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_BNC_BIT, uset.link_modes.advertising); | |
589 | iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_Pause_BIT, uset.link_modes.advertising); | |
590 | iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, uset.link_modes.advertising); | |
591 | iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_Backplane_BIT, uset.link_modes.advertising); | |
592 | if (!iflinux_ethtool_link_mode_is_empty(uset.link_modes.advertising)) { | |
a97e3dfe | 593 | port->p_macphy.autoneg_advertised |= LLDP_DOT3_LINK_AUTONEG_OTHER; |
38cbcf2b VB |
594 | } |
595 | switch (uset.base.speed) { | |
6e75df87 | 596 | case SPEED_10: |
38cbcf2b | 597 | port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? \ |
6e75df87 | 598 | LLDP_DOT3_MAU_10BASETFD : LLDP_DOT3_MAU_10BASETHD; |
38cbcf2b VB |
599 | if (uset.base.port == PORT_BNC) port->p_macphy.mau_type = LLDP_DOT3_MAU_10BASE2; |
600 | if (uset.base.port == PORT_FIBRE) | |
601 | port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? \ | |
fda729fd | 602 | LLDP_DOT3_MAU_10BASEFLFD : LLDP_DOT3_MAU_10BASEFLHD; |
6e75df87 VB |
603 | break; |
604 | case SPEED_100: | |
38cbcf2b | 605 | port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? \ |
6e75df87 | 606 | LLDP_DOT3_MAU_100BASETXFD : LLDP_DOT3_MAU_100BASETXHD; |
38cbcf2b VB |
607 | if (uset.base.port == PORT_BNC) |
608 | port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? \ | |
5fa8eaa5 | 609 | LLDP_DOT3_MAU_100BASET2FD : LLDP_DOT3_MAU_100BASET2HD; |
38cbcf2b VB |
610 | if (uset.base.port == PORT_FIBRE) |
611 | port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? \ | |
6e75df87 VB |
612 | LLDP_DOT3_MAU_100BASEFXFD : LLDP_DOT3_MAU_100BASEFXHD; |
613 | break; | |
614 | case SPEED_1000: | |
38cbcf2b | 615 | port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? \ |
6e75df87 | 616 | LLDP_DOT3_MAU_1000BASETFD : LLDP_DOT3_MAU_1000BASETHD; |
38cbcf2b VB |
617 | if (uset.base.port == PORT_FIBRE) |
618 | port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? \ | |
6e75df87 VB |
619 | LLDP_DOT3_MAU_1000BASEXFD : LLDP_DOT3_MAU_1000BASEXHD; |
620 | break; | |
621 | case SPEED_10000: | |
a97e3dfe VB |
622 | // For fiber, we tell 10GIGBASEX and for others, |
623 | // 10GIGBASER. It's not unusual to have 10GIGBASER on | |
624 | // fiber either but we don't have 10GIGBASET for | |
625 | // copper. No good solution. | |
38cbcf2b VB |
626 | port->p_macphy.mau_type = (uset.base.port == PORT_FIBRE) ? \ |
627 | LLDP_DOT3_MAU_10GIGBASELR : LLDP_DOT3_MAU_10GIGBASECX4; | |
6e75df87 | 628 | break; |
38cbcf2b VB |
629 | case SPEED_40000: |
630 | // Same kind of approximation. | |
631 | port->p_macphy.mau_type = (uset.base.port == PORT_FIBRE) ? \ | |
632 | LLDP_DOT3_MAU_40GBASELR4 : LLDP_DOT3_MAU_40GBASECR4; | |
3a59626a | 633 | break; |
38cbcf2b VB |
634 | case SPEED_100000: |
635 | // Ditto | |
636 | port->p_macphy.mau_type = (uset.base.port == PORT_FIBRE) ? \ | |
637 | LLDP_DOT3_MAU_100GBASELR4 : LLDP_DOT3_MAU_100GBASECR10; | |
3a59626a | 638 | break; |
6e75df87 | 639 | } |
38cbcf2b | 640 | if (uset.base.port == PORT_AUI) port->p_macphy.mau_type = LLDP_DOT3_MAU_AUI; |
6e75df87 | 641 | } |
6e75df87 | 642 | } |
dd55e649 VB |
643 | #else /* ENABLE_DOT3 */ |
644 | static void | |
645 | iflinux_macphy(struct lldpd *cfg, struct lldpd_hardware *hardware) | |
646 | { | |
647 | } | |
648 | #endif /* ENABLE_DOT3 */ | |
649 | ||
6e75df87 | 650 | |
2f4ff307 | 651 | #ifdef ENABLE_OLDIES |
e12c2365 VB |
652 | struct bond_master { |
653 | char name[IFNAMSIZ]; | |
654 | int index; | |
655 | }; | |
656 | ||
849954d7 VB |
657 | static int |
658 | iface_bond_init(struct lldpd *cfg, struct lldpd_hardware *hardware) | |
659 | { | |
e12c2365 | 660 | struct bond_master *master = hardware->h_data; |
e735a319 | 661 | int fd; |
849954d7 VB |
662 | int un = 1; |
663 | ||
e12c2365 | 664 | if (!master) return -1; |
849954d7 | 665 | |
0da01fd6 | 666 | log_debug("interfaces", "initialize enslaved device %s", |
6f8925be VB |
667 | hardware->h_ifname); |
668 | ||
849954d7 | 669 | /* First, we get a socket to the raw physical interface */ |
e735a319 VB |
670 | if ((fd = priv_iface_init(hardware->h_ifindex, |
671 | hardware->h_ifname)) == -1) | |
849954d7 VB |
672 | return -1; |
673 | hardware->h_sendfd = fd; | |
adbb6e54 | 674 | interfaces_setup_multicast(cfg, hardware->h_ifname, 0); |
849954d7 VB |
675 | |
676 | /* Then, we open a raw interface for the master */ | |
0da01fd6 | 677 | log_debug("interfaces", "enslaved device %s has master %s(%d)", |
148a1efe | 678 | hardware->h_ifname, master->name, master->index); |
e735a319 | 679 | if ((fd = priv_iface_init(master->index, master->name)) == -1) { |
849954d7 VB |
680 | close(hardware->h_sendfd); |
681 | return -1; | |
682 | } | |
849954d7 VB |
683 | /* With bonding and older kernels (< 2.6.27) we need to listen |
684 | * to bond device. We use setsockopt() PACKET_ORIGDEV to get | |
685 | * physical device instead of bond device (works with >= | |
686 | * 2.6.24). */ | |
687 | if (setsockopt(fd, SOL_PACKET, | |
e12c2365 VB |
688 | PACKET_ORIGDEV, &un, sizeof(un)) == -1) { |
689 | log_info("interfaces", "unable to setsockopt for master bonding device of %s. " | |
690 | "You will get inaccurate results", | |
691 | hardware->h_ifname); | |
849954d7 | 692 | } |
adbb6e54 | 693 | interfaces_setup_multicast(cfg, master->name, 0); |
849954d7 | 694 | |
ba93c521 | 695 | levent_hardware_add_fd(hardware, hardware->h_sendfd); |
d6e889b6 | 696 | levent_hardware_add_fd(hardware, fd); |
6f8925be | 697 | log_debug("interfaces", "interface %s initialized (fd=%d,master=%s[%d])", |
849954d7 VB |
698 | hardware->h_ifname, |
699 | hardware->h_sendfd, | |
e12c2365 | 700 | master->name, fd); |
849954d7 VB |
701 | return 0; |
702 | } | |
703 | ||
849954d7 VB |
704 | static int |
705 | iface_bond_recv(struct lldpd *cfg, struct lldpd_hardware *hardware, | |
706 | int fd, char *buffer, size_t size) | |
707 | { | |
708 | int n; | |
54cccdd4 | 709 | struct sockaddr_ll from; |
e12c2365 | 710 | struct bond_master *master = hardware->h_data; |
849954d7 | 711 | |
0da01fd6 | 712 | log_debug("interfaces", "receive PDU from enslaved device %s", |
6f8925be | 713 | hardware->h_ifname); |
462ef2ce | 714 | if ((n = iflinux_generic_recv(hardware, fd, buffer, size, &from)) == -1) |
849954d7 VB |
715 | return -1; |
716 | if (fd == hardware->h_sendfd) | |
717 | /* We received this on the physical interface. */ | |
718 | return n; | |
719 | /* We received this on the bonding interface. Is it really for us? */ | |
44002d66 | 720 | if (from.sll_ifindex == hardware->h_ifindex) |
849954d7 VB |
721 | /* This is for us */ |
722 | return n; | |
e12c2365 | 723 | if (from.sll_ifindex == master->index) |
849954d7 VB |
724 | /* We don't know from which physical interface it comes (kernel |
725 | * < 2.6.24). In doubt, this is for us. */ | |
726 | return n; | |
727 | return -1; /* Not for us */ | |
728 | } | |
729 | ||
730 | static int | |
731 | iface_bond_close(struct lldpd *cfg, struct lldpd_hardware *hardware) | |
732 | { | |
e12c2365 | 733 | struct bond_master *master = hardware->h_data; |
0da01fd6 | 734 | log_debug("interfaces", "closing enslaved device %s", |
6f8925be | 735 | hardware->h_ifname); |
adbb6e54 VB |
736 | interfaces_setup_multicast(cfg, hardware->h_ifname, 1); |
737 | interfaces_setup_multicast(cfg, master->name, 1); | |
32945d6a | 738 | free(hardware->h_data); hardware->h_data = NULL; |
849954d7 VB |
739 | return 0; |
740 | } | |
741 | ||
adbb6e54 | 742 | struct lldpd_ops bond_ops = { |
5347914e | 743 | .send = iflinux_eth_send, |
adbb6e54 VB |
744 | .recv = iface_bond_recv, |
745 | .cleanup = iface_bond_close, | |
746 | }; | |
747 | ||
e12c2365 | 748 | static void |
adbb6e54 | 749 | iflinux_handle_bond(struct lldpd *cfg, struct interfaces_device_list *interfaces) |
849954d7 | 750 | { |
adbb6e54 VB |
751 | struct interfaces_device *iface; |
752 | struct interfaces_device *master; | |
849954d7 | 753 | struct lldpd_hardware *hardware; |
c557a63b | 754 | struct bond_master *bmaster; |
32945d6a | 755 | int created; |
e12c2365 | 756 | TAILQ_FOREACH(iface, interfaces, next) { |
adbb6e54 | 757 | if (!(iface->type & IFACE_PHYSICAL_T)) continue; |
0fa2254b | 758 | if (iface->ignore) continue; |
adbb6e54 | 759 | if (!iface->upper || !(iface->upper->type & IFACE_BOND_T)) continue; |
849954d7 | 760 | |
adbb6e54 | 761 | master = iface->upper; |
0da01fd6 | 762 | log_debug("interfaces", "%s is an acceptable enslaved device (master=%s)", |
c557a63b | 763 | iface->name, master->name); |
32945d6a | 764 | created = 0; |
44002d66 | 765 | if ((hardware = lldpd_get_hardware(cfg, |
e12c2365 | 766 | iface->name, |
32945d6a | 767 | iface->index)) == NULL) { |
849954d7 | 768 | if ((hardware = lldpd_alloc_hardware(cfg, |
e12c2365 VB |
769 | iface->name, |
770 | iface->index)) == NULL) { | |
6f8925be | 771 | log_warnx("interfaces", "Unable to allocate space for %s", |
e12c2365 VB |
772 | iface->name); |
773 | continue; | |
774 | } | |
32945d6a VB |
775 | created = 1; |
776 | } | |
777 | if (hardware->h_flags) continue; | |
778 | if (hardware->h_ops != &bond_ops) { | |
779 | if (!created) { | |
780 | log_debug("interfaces", | |
781 | "bond %s is converted from another type of interface", | |
782 | hardware->h_ifname); | |
783 | if (hardware->h_ops && hardware->h_ops->cleanup) | |
784 | hardware->h_ops->cleanup(cfg, hardware); | |
785 | levent_hardware_release(hardware); | |
786 | levent_hardware_init(hardware); | |
787 | } | |
08ced6b4 VB |
788 | bmaster = hardware->h_data = calloc(1, sizeof(struct bond_master)); |
789 | if (!bmaster) { | |
e12c2365 VB |
790 | log_warn("interfaces", "not enough memory"); |
791 | lldpd_hardware_cleanup(cfg, hardware); | |
792 | continue; | |
793 | } | |
32945d6a VB |
794 | } else bmaster = hardware->h_data; |
795 | bmaster->index = master->index; | |
796 | strlcpy(bmaster->name, master->name, IFNAMSIZ); | |
797 | if (hardware->h_ops != &bond_ops) { | |
849954d7 | 798 | if (iface_bond_init(cfg, hardware) != 0) { |
6f8925be | 799 | log_warn("interfaces", "unable to initialize %s", |
849954d7 VB |
800 | hardware->h_ifname); |
801 | lldpd_hardware_cleanup(cfg, hardware); | |
802 | continue; | |
803 | } | |
804 | hardware->h_ops = &bond_ops; | |
5347914e | 805 | hardware->h_mangle = 1; |
32945d6a VB |
806 | } |
807 | if (created) | |
bdfe4193 | 808 | interfaces_helper_add_hardware(cfg, hardware); |
32945d6a | 809 | else |
4b292b55 | 810 | lldpd_port_cleanup(&hardware->h_lport, 0); |
e12c2365 VB |
811 | |
812 | hardware->h_flags = iface->flags; | |
0fa2254b | 813 | iface->ignore = 1; |
849954d7 VB |
814 | |
815 | /* Get local address */ | |
4e5f34c5 | 816 | memcpy(&hardware->h_lladdr, iface->address, ETHER_ADDR_LEN); |
e12c2365 | 817 | |
36bd79e3 | 818 | /* Fill information about port */ |
8fbd3195 | 819 | interfaces_helper_port_name_desc(cfg, hardware, iface); |
e12c2365 | 820 | |
849954d7 | 821 | /* Fill additional info */ |
7a008075 | 822 | #ifdef ENABLE_DOT3 |
e12c2365 | 823 | hardware->h_lport.p_aggregid = master->index; |
7a008075 | 824 | #endif |
e12c2365 | 825 | hardware->h_mtu = iface->mtu ? iface->mtu : 1500; |
849954d7 VB |
826 | } |
827 | } | |
2f4ff307 | 828 | #endif |
849954d7 | 829 | |
adbb6e54 | 830 | /* Query each interface to get the appropriate driver */ |
5994b27d | 831 | static void |
adbb6e54 VB |
832 | iflinux_add_driver(struct lldpd *cfg, |
833 | struct interfaces_device_list *interfaces) | |
5994b27d | 834 | { |
adbb6e54 VB |
835 | struct interfaces_device *iface; |
836 | TAILQ_FOREACH(iface, interfaces, next) { | |
837 | struct ethtool_drvinfo ethc = { | |
838 | .cmd = ETHTOOL_GDRVINFO | |
839 | }; | |
840 | struct ifreq ifr = { | |
841 | .ifr_data = (caddr_t)ðc | |
842 | }; | |
843 | if (iface->driver) continue; | |
844 | ||
845 | strlcpy(ifr.ifr_name, iface->name, IFNAMSIZ); | |
846 | if (ioctl(cfg->g_sock, SIOCETHTOOL, &ifr) == 0) { | |
847 | iface->driver = strdup(ethc.driver); | |
848 | log_debug("interfaces", "driver for %s is `%s`", | |
849 | iface->name, iface->driver); | |
850 | } | |
5994b27d VB |
851 | } |
852 | } | |
853 | ||
adbb6e54 | 854 | /* Query each interface to see if it is a wireless one */ |
e12c2365 | 855 | static void |
adbb6e54 VB |
856 | iflinux_add_wireless(struct lldpd *cfg, |
857 | struct interfaces_device_list *interfaces) | |
f6c4ca4b | 858 | { |
adbb6e54 VB |
859 | struct interfaces_device *iface; |
860 | TAILQ_FOREACH(iface, interfaces, next) { | |
b0cb07f7 | 861 | struct iwreq iwr = {}; |
adbb6e54 VB |
862 | strlcpy(iwr.ifr_name, iface->name, IFNAMSIZ); |
863 | if (ioctl(cfg->g_sock, SIOCGIWNAME, &iwr) >= 0) { | |
864 | log_debug("interfaces", "%s is wireless", | |
865 | iface->name); | |
866 | iface->type |= IFACE_WIRELESS_T | IFACE_PHYSICAL_T; | |
f6c4ca4b | 867 | } |
f6c4ca4b | 868 | } |
adbb6e54 | 869 | } |
f6c4ca4b | 870 | |
adbb6e54 VB |
871 | /* Query each interface to see if it is a bridge */ |
872 | static void | |
873 | iflinux_add_bridge(struct lldpd *cfg, | |
874 | struct interfaces_device_list *interfaces) | |
875 | { | |
876 | struct interfaces_device *iface; | |
f6c4ca4b | 877 | |
adbb6e54 VB |
878 | TAILQ_FOREACH(iface, interfaces, next) { |
879 | if (iface->type & (IFACE_PHYSICAL_T| | |
880 | IFACE_VLAN_T|IFACE_BOND_T|IFACE_BRIDGE_T)) | |
881 | continue; | |
882 | if (iflinux_is_bridge(cfg, interfaces, iface)) { | |
883 | log_debug("interfaces", | |
884 | "interface %s is a bridge", | |
885 | iface->name); | |
886 | iface->type |= IFACE_BRIDGE_T; | |
f6c4ca4b | 887 | } |
f6c4ca4b | 888 | } |
f6c4ca4b VB |
889 | } |
890 | ||
adbb6e54 | 891 | /* Query each interface to see if it is a bond */ |
f6c4ca4b | 892 | static void |
adbb6e54 VB |
893 | iflinux_add_bond(struct lldpd *cfg, |
894 | struct interfaces_device_list *interfaces) | |
6e75df87 | 895 | { |
adbb6e54 | 896 | struct interfaces_device *iface; |
e12c2365 VB |
897 | |
898 | TAILQ_FOREACH(iface, interfaces, next) { | |
adbb6e54 VB |
899 | if (iface->type & (IFACE_PHYSICAL_T|IFACE_VLAN_T| |
900 | IFACE_BOND_T|IFACE_BRIDGE_T)) | |
6e75df87 | 901 | continue; |
adbb6e54 VB |
902 | if (iflinux_is_bond(cfg, interfaces, iface)) { |
903 | log_debug("interfaces", | |
904 | "interface %s is a bond", | |
905 | iface->name); | |
906 | iface->type |= IFACE_BOND_T; | |
adbb6e54 | 907 | } |
6e75df87 | 908 | } |
6e75df87 VB |
909 | } |
910 | ||
adbb6e54 | 911 | /* Query each interface to see if it is a vlan */ |
e12c2365 | 912 | static void |
adbb6e54 VB |
913 | iflinux_add_vlan(struct lldpd *cfg, |
914 | struct interfaces_device_list *interfaces) | |
6e75df87 | 915 | { |
adbb6e54 | 916 | struct interfaces_device *iface; |
d4e4c804 | 917 | |
adbb6e54 VB |
918 | TAILQ_FOREACH(iface, interfaces, next) { |
919 | if (iface->type & (IFACE_PHYSICAL_T|IFACE_VLAN_T| | |
920 | IFACE_BOND_T|IFACE_BRIDGE_T)) | |
921 | continue; | |
922 | if (iflinux_is_vlan(cfg, interfaces, iface)) { | |
923 | log_debug("interfaces", | |
924 | "interface %s is a VLAN", | |
925 | iface->name); | |
926 | iface->type |= IFACE_VLAN_T; | |
6e75df87 VB |
927 | } |
928 | } | |
929 | } | |
31ee070d | 930 | |
e12c2365 | 931 | static void |
adbb6e54 VB |
932 | iflinux_add_physical(struct lldpd *cfg, |
933 | struct interfaces_device_list *interfaces) | |
b4ac8083 | 934 | { |
adbb6e54 | 935 | struct interfaces_device *iface; |
45369c0a VB |
936 | /* Blacklist some drivers */ |
937 | const char * const *rif; | |
938 | const char * const blacklisted_drivers[] = { | |
939 | "cdc_mbim", | |
aed57880 | 940 | "vxlan", |
45369c0a VB |
941 | NULL |
942 | }; | |
b4ac8083 | 943 | |
e12c2365 | 944 | TAILQ_FOREACH(iface, interfaces, next) { |
adbb6e54 VB |
945 | if (iface->type & (IFACE_VLAN_T| |
946 | IFACE_BOND_T|IFACE_BRIDGE_T)) | |
947 | continue; | |
b4ac8083 | 948 | |
adbb6e54 VB |
949 | iface->type &= ~IFACE_PHYSICAL_T; |
950 | ||
951 | /* We request that the interface is able to do either multicast | |
952 | * or broadcast to be able to send discovery frames. */ | |
953 | if (!(iface->flags & (IFF_MULTICAST|IFF_BROADCAST))) { | |
954 | log_debug("interfaces", "skip %s: not able to do multicast nor broadcast", | |
955 | iface->name); | |
b4ac8083 | 956 | continue; |
adbb6e54 | 957 | } |
b4ac8083 | 958 | |
45369c0a VB |
959 | /* Check if the driver is not blacklisted */ |
960 | if (iface->driver) { | |
961 | int skip = 0; | |
962 | for (rif = blacklisted_drivers; *rif; rif++) { | |
963 | if (strcmp(iface->driver, *rif) == 0) { | |
964 | log_debug("interfaces", "skip %s: blacklisted driver", | |
965 | iface->name); | |
966 | skip = 1; | |
967 | break; | |
968 | } | |
969 | } | |
970 | if (skip) continue; | |
971 | } | |
972 | ||
981ee4fe | 973 | /* If the interface is linked to another one, skip it too. */ |
a636b31d | 974 | if (iface->lower && (!iface->driver || (strcmp(iface->driver, "veth") && strcmp(iface->driver, "dsa")))) { |
981ee4fe VB |
975 | log_debug("interfaces", "skip %s: there is a lower interface (%s)", |
976 | iface->name, iface->lower->name); | |
977 | continue; | |
978 | } | |
979 | ||
12baf781 VB |
980 | /* Get the real MAC address (for example, if the interface is enslaved) */ |
981 | iflinux_get_permanent_mac(cfg, interfaces, iface); | |
982 | ||
adbb6e54 VB |
983 | log_debug("interfaces", |
984 | "%s is a physical interface", | |
985 | iface->name); | |
986 | iface->type |= IFACE_PHYSICAL_T; | |
b4ac8083 VB |
987 | } |
988 | } | |
989 | ||
e12c2365 VB |
990 | void |
991 | interfaces_update(struct lldpd *cfg) | |
992 | { | |
adbb6e54 | 993 | struct lldpd_hardware *hardware; |
281a5cd4 VB |
994 | struct interfaces_device_list *interfaces; |
995 | struct interfaces_address_list *addresses; | |
13181ede VB |
996 | interfaces = netlink_get_interfaces(cfg); |
997 | addresses = netlink_get_addresses(cfg); | |
e12c2365 VB |
998 | if (interfaces == NULL || addresses == NULL) { |
999 | log_warnx("interfaces", "cannot update the list of local interfaces"); | |
0fa2254b | 1000 | return; |
e12c2365 VB |
1001 | } |
1002 | ||
adbb6e54 VB |
1003 | /* Add missing bits to list of interfaces */ |
1004 | iflinux_add_driver(cfg, interfaces); | |
a2b113ef | 1005 | if (LOCAL_CHASSIS(cfg)->c_cap_available & LLDP_CAP_WLAN) |
1006 | iflinux_add_wireless(cfg, interfaces); | |
1007 | if (LOCAL_CHASSIS(cfg)->c_cap_available & LLDP_CAP_BRIDGE) | |
1008 | iflinux_add_bridge(cfg, interfaces); | |
adbb6e54 VB |
1009 | iflinux_add_bond(cfg, interfaces); |
1010 | iflinux_add_vlan(cfg, interfaces); | |
1011 | iflinux_add_physical(cfg, interfaces); | |
1012 | ||
1013 | interfaces_helper_whitelist(cfg, interfaces); | |
2f4ff307 | 1014 | #ifdef ENABLE_OLDIES |
adbb6e54 | 1015 | iflinux_handle_bond(cfg, interfaces); |
2f4ff307 | 1016 | #endif |
88bc404f | 1017 | interfaces_helper_physical(cfg, interfaces, |
22e8cd65 | 1018 | ð_ops, |
88bc404f | 1019 | iflinux_eth_init); |
e12c2365 | 1020 | #ifdef ENABLE_DOT1 |
adbb6e54 | 1021 | interfaces_helper_vlan(cfg, interfaces); |
e12c2365 | 1022 | #endif |
68bc4a4d | 1023 | interfaces_helper_mgmt(cfg, addresses, interfaces); |
adbb6e54 VB |
1024 | interfaces_helper_chassis(cfg, interfaces); |
1025 | ||
1026 | /* Mac/PHY */ | |
1027 | TAILQ_FOREACH(hardware, &cfg->g_hardware, h_entries) { | |
1028 | if (!hardware->h_flags) continue; | |
78c9dfde | 1029 | iflinux_macphy(cfg, hardware); |
f84199dd | 1030 | interfaces_helper_promisc(cfg, hardware); |
adbb6e54 | 1031 | } |
e12c2365 | 1032 | } |
13181ede VB |
1033 | |
1034 | void | |
1035 | interfaces_cleanup(struct lldpd *cfg) | |
1036 | { | |
1037 | netlink_cleanup(cfg); | |
1038 | } |