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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
718e3744 | 2 | /* |
3 | * Common ioctl functions. | |
4 | * Copyright (C) 1997, 98 Kunihiro Ishiguro | |
718e3744 | 5 | */ |
6 | ||
7 | #include <zebra.h> | |
8 | ||
9 | #include "linklist.h" | |
10 | #include "if.h" | |
11 | #include "prefix.h" | |
12 | #include "ioctl.h" | |
13 | #include "log.h" | |
edd7c245 | 14 | #include "privs.h" |
174482ef | 15 | #include "lib_errors.h" |
718e3744 | 16 | |
5e6a74d8 | 17 | #include "vty.h" |
718e3744 | 18 | #include "zebra/rib.h" |
19 | #include "zebra/rt.h" | |
5c78b3d0 | 20 | #include "zebra/interface.h" |
364fed6b | 21 | #include "zebra/zebra_errors.h" |
0f1f6ce4 | 22 | #include "zebra/debug.h" |
718e3744 | 23 | |
55edb0d4 AS |
24 | #ifdef HAVE_BSD_LINK_DETECT |
25 | #include <net/if_media.h> | |
26 | #endif /* HAVE_BSD_LINK_DETECT*/ | |
27 | ||
edd7c245 | 28 | extern struct zebra_privs_t zserv_privs; |
29 | ||
718e3744 | 30 | /* clear and set interface name string */ |
d62a17ae | 31 | void ifreq_set_name(struct ifreq *ifreq, struct interface *ifp) |
718e3744 | 32 | { |
0af35d90 | 33 | strlcpy(ifreq->ifr_name, ifp->name, sizeof(ifreq->ifr_name)); |
718e3744 | 34 | } |
35 | ||
388907d5 | 36 | #ifndef HAVE_NETLINK |
718e3744 | 37 | /* call ioctl system call */ |
d7c0a89a | 38 | int if_ioctl(unsigned long request, caddr_t buffer) |
718e3744 | 39 | { |
d62a17ae | 40 | int sock; |
41 | int ret; | |
42 | int err = 0; | |
43 | ||
0cf6db21 | 44 | frr_with_privs(&zserv_privs) { |
01b9e3fd DL |
45 | sock = socket(AF_INET, SOCK_DGRAM, 0); |
46 | if (sock < 0) { | |
47 | zlog_err("Cannot create UDP socket: %s", | |
48 | safe_strerror(errno)); | |
49 | exit(1); | |
50 | } | |
51 | if ((ret = ioctl(sock, request, buffer)) < 0) | |
52 | err = errno; | |
d62a17ae | 53 | } |
d62a17ae | 54 | close(sock); |
55 | ||
56 | if (ret < 0) { | |
57 | errno = err; | |
58 | return ret; | |
59 | } | |
60 | return 0; | |
718e3744 | 61 | } |
388907d5 | 62 | #endif |
718e3744 | 63 | |
4db21619 | 64 | /* call ioctl system call */ |
d7c0a89a | 65 | int vrf_if_ioctl(unsigned long request, caddr_t buffer, vrf_id_t vrf_id) |
4db21619 PG |
66 | { |
67 | int sock; | |
68 | int ret; | |
69 | int err = 0; | |
70 | ||
0cf6db21 | 71 | frr_with_privs(&zserv_privs) { |
01b9e3fd DL |
72 | sock = vrf_socket(AF_INET, SOCK_DGRAM, 0, vrf_id, NULL); |
73 | if (sock < 0) { | |
74 | zlog_err("Cannot create UDP socket: %s", | |
75 | safe_strerror(errno)); | |
76 | exit(1); | |
77 | } | |
78 | ret = vrf_ioctl(vrf_id, sock, request, buffer); | |
79 | if (ret < 0) | |
80 | err = errno; | |
4db21619 | 81 | } |
4db21619 PG |
82 | close(sock); |
83 | ||
84 | if (ret < 0) { | |
85 | errno = err; | |
86 | return ret; | |
87 | } | |
88 | return 0; | |
89 | } | |
90 | ||
e86b71f1 | 91 | #ifndef HAVE_NETLINK |
d7c0a89a | 92 | static int if_ioctl_ipv6(unsigned long request, caddr_t buffer) |
718e3744 | 93 | { |
d62a17ae | 94 | int sock; |
95 | int ret; | |
96 | int err = 0; | |
97 | ||
0cf6db21 | 98 | frr_with_privs(&zserv_privs) { |
01b9e3fd DL |
99 | sock = socket(AF_INET6, SOCK_DGRAM, 0); |
100 | if (sock < 0) { | |
101 | zlog_err("Cannot create IPv6 datagram socket: %s", | |
102 | safe_strerror(errno)); | |
103 | exit(1); | |
104 | } | |
d62a17ae | 105 | |
01b9e3fd DL |
106 | if ((ret = ioctl(sock, request, buffer)) < 0) |
107 | err = errno; | |
108 | } | |
d62a17ae | 109 | close(sock); |
110 | ||
111 | if (ret < 0) { | |
112 | errno = err; | |
113 | return ret; | |
114 | } | |
115 | return 0; | |
718e3744 | 116 | } |
718e3744 | 117 | |
118 | /* | |
119 | * get interface metric | |
120 | * -- if value is not avaliable set -1 | |
121 | */ | |
d62a17ae | 122 | void if_get_metric(struct interface *ifp) |
718e3744 | 123 | { |
124 | #ifdef SIOCGIFMETRIC | |
ceacdc72 | 125 | struct ifreq ifreq = {}; |
718e3744 | 126 | |
d62a17ae | 127 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 128 | |
096f7609 | 129 | if (vrf_if_ioctl(SIOCGIFMETRIC, (caddr_t)&ifreq, ifp->vrf->vrf_id) < 0) |
d62a17ae | 130 | return; |
131 | ifp->metric = ifreq.ifr_metric; | |
132 | if (ifp->metric == 0) | |
133 | ifp->metric = 1; | |
134 | #else /* SIOCGIFMETRIC */ | |
135 | ifp->metric = -1; | |
718e3744 | 136 | #endif /* SIOCGIFMETRIC */ |
137 | } | |
138 | ||
139 | /* get interface MTU */ | |
d62a17ae | 140 | void if_get_mtu(struct interface *ifp) |
718e3744 | 141 | { |
ceacdc72 | 142 | struct ifreq ifreq = {}; |
718e3744 | 143 | |
d62a17ae | 144 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 145 | |
146 | #if defined(SIOCGIFMTU) | |
096f7609 | 147 | if (vrf_if_ioctl(SIOCGIFMTU, (caddr_t)&ifreq, ifp->vrf->vrf_id) < 0) { |
7c4910ce DS |
148 | zlog_info("Can't lookup mtu by ioctl(SIOCGIFMTU) for %s(%u)", |
149 | ifp->name, ifp->vrf->vrf_id); | |
d62a17ae | 150 | ifp->mtu6 = ifp->mtu = -1; |
151 | return; | |
152 | } | |
718e3744 | 153 | |
d62a17ae | 154 | ifp->mtu6 = ifp->mtu = ifreq.ifr_mtu; |
718e3744 | 155 | |
d62a17ae | 156 | /* propogate */ |
157 | zebra_interface_up_update(ifp); | |
f5e004f7 | 158 | |
718e3744 | 159 | #else |
7c4910ce DS |
160 | zlog_info("Can't lookup mtu on this system for %s(%u)", ifp->name, |
161 | ifp->vrf->vrf_id); | |
d62a17ae | 162 | ifp->mtu6 = ifp->mtu = -1; |
718e3744 | 163 | #endif |
164 | } | |
388907d5 | 165 | #endif /* ! HAVE_NETLINK */ |
718e3744 | 166 | |
64168803 | 167 | /* |
0f1f6ce4 MS |
168 | * Handler for interface address programming via the zebra dplane, |
169 | * for non-netlink platforms. This handler dispatches to per-platform | |
170 | * helpers, based on the operation requested. | |
64168803 MS |
171 | */ |
172 | #ifndef HAVE_NETLINK | |
173 | ||
0f1f6ce4 MS |
174 | /* Prototypes: these are placed in this block so that they're only seen |
175 | * on non-netlink platforms. | |
176 | */ | |
177 | static int if_set_prefix_ctx(const struct zebra_dplane_ctx *ctx); | |
178 | static int if_unset_prefix_ctx(const struct zebra_dplane_ctx *ctx); | |
179 | static int if_set_prefix6_ctx(const struct zebra_dplane_ctx *ctx); | |
180 | static int if_unset_prefix6_ctx(const struct zebra_dplane_ctx *ctx); | |
181 | ||
64168803 MS |
182 | enum zebra_dplane_result kernel_address_update_ctx( |
183 | struct zebra_dplane_ctx *ctx) | |
184 | { | |
0f1f6ce4 MS |
185 | int ret = -1; |
186 | const struct prefix *p; | |
187 | ||
188 | p = dplane_ctx_get_intf_addr(ctx); | |
189 | ||
190 | if (dplane_ctx_get_op(ctx) == DPLANE_OP_ADDR_INSTALL) { | |
191 | if (p->family == AF_INET) | |
192 | ret = if_set_prefix_ctx(ctx); | |
193 | else | |
194 | ret = if_set_prefix6_ctx(ctx); | |
195 | } else if (dplane_ctx_get_op(ctx) == DPLANE_OP_ADDR_UNINSTALL) { | |
196 | if (p->family == AF_INET) | |
197 | ret = if_unset_prefix_ctx(ctx); | |
198 | else | |
199 | ret = if_unset_prefix6_ctx(ctx); | |
200 | } else { | |
201 | if (IS_ZEBRA_DEBUG_DPLANE) | |
202 | zlog_debug("Invalid op in interface-addr install"); | |
203 | } | |
204 | ||
205 | return (ret == 0 ? | |
206 | ZEBRA_DPLANE_REQUEST_SUCCESS : ZEBRA_DPLANE_REQUEST_FAILURE); | |
64168803 MS |
207 | } |
208 | ||
0f1f6ce4 MS |
209 | #ifdef HAVE_STRUCT_IFALIASREQ |
210 | ||
211 | /* | |
212 | * Helper for interface-addr install, non-netlink | |
213 | */ | |
214 | static int if_set_prefix_ctx(const struct zebra_dplane_ctx *ctx) | |
718e3744 | 215 | { |
0f1f6ce4 MS |
216 | int ret; |
217 | struct ifaliasreq addreq; | |
218 | struct sockaddr_in addr, mask, peer; | |
219 | struct prefix_ipv4 *p; | |
220 | ||
221 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_addr(ctx); | |
222 | ||
223 | memset(&addreq, 0, sizeof(addreq)); | |
fcb072cd | 224 | strlcpy((char *)&addreq.ifra_name, dplane_ctx_get_ifname(ctx), |
0f1f6ce4 MS |
225 | sizeof(addreq.ifra_name)); |
226 | ||
6006b807 | 227 | memset(&addr, 0, sizeof(addr)); |
0f1f6ce4 MS |
228 | addr.sin_addr = p->prefix; |
229 | addr.sin_family = p->family; | |
230 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
231 | addr.sin_len = sizeof(struct sockaddr_in); | |
232 | #endif | |
233 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in)); | |
234 | ||
235 | if (dplane_ctx_intf_is_connected(ctx)) { | |
236 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_dest(ctx); | |
6006b807 | 237 | memset(&mask, 0, sizeof(mask)); |
0f1f6ce4 MS |
238 | peer.sin_addr = p->prefix; |
239 | peer.sin_family = p->family; | |
240 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
241 | peer.sin_len = sizeof(struct sockaddr_in); | |
242 | #endif | |
243 | memcpy(&addreq.ifra_broadaddr, &peer, | |
244 | sizeof(struct sockaddr_in)); | |
245 | } | |
246 | ||
6006b807 | 247 | memset(&mask, 0, sizeof(mask)); |
0f1f6ce4 MS |
248 | masklen2ip(p->prefixlen, &mask.sin_addr); |
249 | mask.sin_family = p->family; | |
250 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
251 | mask.sin_len = sizeof(struct sockaddr_in); | |
252 | #endif | |
253 | memcpy(&addreq.ifra_mask, &mask, sizeof(struct sockaddr_in)); | |
254 | ||
255 | ret = if_ioctl(SIOCAIFADDR, (caddr_t)&addreq); | |
256 | if (ret < 0) | |
257 | return ret; | |
258 | return 0; | |
259 | ||
718e3744 | 260 | } |
261 | ||
0f1f6ce4 MS |
262 | /* |
263 | * Helper for interface-addr un-install, non-netlink | |
264 | */ | |
265 | static int if_unset_prefix_ctx(const struct zebra_dplane_ctx *ctx) | |
718e3744 | 266 | { |
0f1f6ce4 MS |
267 | int ret; |
268 | struct ifaliasreq addreq; | |
269 | struct sockaddr_in addr, mask, peer; | |
270 | struct prefix_ipv4 *p; | |
271 | ||
272 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_addr(ctx); | |
273 | ||
274 | memset(&addreq, 0, sizeof(addreq)); | |
fcb072cd | 275 | strlcpy((char *)&addreq.ifra_name, dplane_ctx_get_ifname(ctx), |
0f1f6ce4 MS |
276 | sizeof(addreq.ifra_name)); |
277 | ||
6006b807 | 278 | memset(&addr, 0, sizeof(addr)); |
0f1f6ce4 MS |
279 | addr.sin_addr = p->prefix; |
280 | addr.sin_family = p->family; | |
281 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
282 | addr.sin_len = sizeof(struct sockaddr_in); | |
283 | #endif | |
284 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in)); | |
285 | ||
286 | if (dplane_ctx_intf_is_connected(ctx)) { | |
287 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_dest(ctx); | |
6006b807 | 288 | memset(&mask, 0, sizeof(mask)); |
0f1f6ce4 MS |
289 | peer.sin_addr = p->prefix; |
290 | peer.sin_family = p->family; | |
291 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
292 | peer.sin_len = sizeof(struct sockaddr_in); | |
293 | #endif | |
294 | memcpy(&addreq.ifra_broadaddr, &peer, | |
295 | sizeof(struct sockaddr_in)); | |
296 | } | |
297 | ||
6006b807 | 298 | memset(&mask, 0, sizeof(mask)); |
0f1f6ce4 MS |
299 | masklen2ip(p->prefixlen, &mask.sin_addr); |
300 | mask.sin_family = p->family; | |
301 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
302 | mask.sin_len = sizeof(struct sockaddr_in); | |
303 | #endif | |
304 | memcpy(&addreq.ifra_mask, &mask, sizeof(struct sockaddr_in)); | |
305 | ||
306 | ret = if_ioctl(SIOCDIFADDR, (caddr_t)&addreq); | |
307 | if (ret < 0) | |
308 | return ret; | |
309 | return 0; | |
718e3744 | 310 | } |
718e3744 | 311 | #else |
312 | /* Set up interface's address, netmask (and broadcas? ). Linux or | |
313 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
39fa2825 | 314 | int if_set_prefix_ctx(const struct zebra_dplane_ctx *ctx) |
718e3744 | 315 | { |
d62a17ae | 316 | int ret; |
317 | struct ifreq ifreq; | |
318 | struct sockaddr_in addr; | |
319 | struct sockaddr_in broad; | |
320 | struct sockaddr_in mask; | |
321 | struct prefix_ipv4 ifaddr; | |
322 | struct prefix_ipv4 *p; | |
323 | ||
39fa2825 | 324 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_addr(ctx); |
d62a17ae | 325 | |
326 | ifaddr = *p; | |
327 | ||
39fa2825 MS |
328 | strlcpy(ifreq.ifr_name, dplane_ctx_get_ifname(ctx), |
329 | sizeof(ifreq.ifr_name)); | |
d62a17ae | 330 | |
331 | addr.sin_addr = p->prefix; | |
332 | addr.sin_family = p->family; | |
333 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
334 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); | |
335 | if (ret < 0) | |
336 | return ret; | |
337 | ||
338 | /* We need mask for make broadcast addr. */ | |
339 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
340 | ||
39fa2825 | 341 | if (dplane_ctx_intf_is_broadcast(ctx)) { |
d62a17ae | 342 | apply_mask_ipv4(&ifaddr); |
343 | addr.sin_addr = ifaddr.prefix; | |
344 | ||
345 | broad.sin_addr.s_addr = | |
346 | (addr.sin_addr.s_addr | ~mask.sin_addr.s_addr); | |
347 | broad.sin_family = p->family; | |
348 | ||
349 | memcpy(&ifreq.ifr_broadaddr, &broad, | |
350 | sizeof(struct sockaddr_in)); | |
351 | ret = if_ioctl(SIOCSIFBRDADDR, (caddr_t)&ifreq); | |
352 | if (ret < 0) | |
353 | return ret; | |
354 | } | |
355 | ||
356 | mask.sin_family = p->family; | |
39fa2825 | 357 | memcpy(&ifreq.ifr_addr, &mask, sizeof(struct sockaddr_in)); |
d62a17ae | 358 | ret = if_ioctl(SIOCSIFNETMASK, (caddr_t)&ifreq); |
359 | if (ret < 0) | |
360 | return ret; | |
718e3744 | 361 | |
d62a17ae | 362 | return 0; |
718e3744 | 363 | } |
364 | ||
365 | /* Set up interface's address, netmask (and broadcas? ). Linux or | |
366 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
39fa2825 | 367 | int if_unset_prefix_ctx(const struct zebra_dplane_ctx *ctx) |
718e3744 | 368 | { |
d62a17ae | 369 | int ret; |
370 | struct ifreq ifreq; | |
371 | struct sockaddr_in addr; | |
372 | struct prefix_ipv4 *p; | |
718e3744 | 373 | |
39fa2825 | 374 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_addr(ctx); |
718e3744 | 375 | |
39fa2825 MS |
376 | strlcpy(ifreq.ifr_name, dplane_ctx_get_ifname(ctx), |
377 | sizeof(ifreq.ifr_name)); | |
718e3744 | 378 | |
6006b807 | 379 | memset(&addr, 0, sizeof(addr)); |
d62a17ae | 380 | addr.sin_family = p->family; |
381 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
382 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); | |
383 | if (ret < 0) | |
384 | return ret; | |
718e3744 | 385 | |
d62a17ae | 386 | return 0; |
718e3744 | 387 | } |
6f0e3f6e | 388 | #endif /* HAVE_STRUCT_IFALIASREQ */ |
718e3744 | 389 | #endif /* HAVE_NETLINK */ |
390 | ||
391 | /* get interface flags */ | |
d62a17ae | 392 | void if_get_flags(struct interface *ifp) |
718e3744 | 393 | { |
d62a17ae | 394 | int ret; |
ceacdc72 DS |
395 | struct ifreq ifreqflags = {}; |
396 | struct ifreq ifreqdata = {}; | |
718e3744 | 397 | |
16dca7ce B |
398 | ifreq_set_name(&ifreqflags, ifp); |
399 | ifreq_set_name(&ifreqdata, ifp); | |
718e3744 | 400 | |
16dca7ce B |
401 | ret = vrf_if_ioctl(SIOCGIFFLAGS, (caddr_t)&ifreqflags, |
402 | ifp->vrf->vrf_id); | |
d62a17ae | 403 | if (ret < 0) { |
450971aa | 404 | flog_err_sys(EC_LIB_SYSTEM_CALL, |
98f3df55 RM |
405 | "vrf_if_ioctl(SIOCGIFFLAGS %s) failed: %s", |
406 | ifp->name, safe_strerror(errno)); | |
d62a17ae | 407 | return; |
408 | } | |
0b3f3d47 | 409 | |
98f3df55 RM |
410 | if (!CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION)) |
411 | goto out; | |
412 | ||
413 | /* Per-default, IFF_RUNNING is held high, unless link-detect | |
414 | * says otherwise - we abuse IFF_RUNNING inside zebra as a | |
415 | * link-state flag, following practice on Linux and Solaris | |
416 | * kernels | |
417 | */ | |
418 | ||
419 | #ifdef SIOCGIFDATA | |
420 | /* | |
421 | * BSD gets link state from ifi_link_link in struct if_data. | |
422 | * All BSD's have this in getifaddrs(3) ifa_data for AF_LINK | |
423 | * addresses. We can also access it via SIOCGIFDATA. | |
424 | */ | |
425 | ||
426 | #ifdef __NetBSD__ | |
427 | struct ifdatareq ifdr = {.ifdr_data.ifi_link_state = 0}; | |
428 | struct if_data *ifdata = &ifdr.ifdr_data; | |
429 | ||
430 | strlcpy(ifdr.ifdr_name, ifp->name, sizeof(ifdr.ifdr_name)); | |
096f7609 | 431 | ret = vrf_if_ioctl(SIOCGIFDATA, (caddr_t)&ifdr, ifp->vrf->vrf_id); |
98f3df55 RM |
432 | #else |
433 | struct if_data ifd = {.ifi_link_state = 0}; | |
434 | struct if_data *ifdata = &ifd; | |
435 | ||
16dca7ce B |
436 | ifreqdata.ifr_data = (caddr_t)ifdata; |
437 | ret = vrf_if_ioctl(SIOCGIFDATA, (caddr_t)&ifreqdata, ifp->vrf->vrf_id); | |
98f3df55 RM |
438 | #endif |
439 | ||
440 | if (ret == -1) | |
441 | /* Very unlikely. Did the interface disappear? */ | |
442 | flog_err_sys(EC_LIB_SYSTEM_CALL, | |
443 | "if_ioctl(SIOCGIFDATA %s) failed: %s", ifp->name, | |
444 | safe_strerror(errno)); | |
445 | else { | |
446 | if (ifdata->ifi_link_state >= LINK_STATE_UP) | |
16dca7ce | 447 | SET_FLAG(ifreqflags.ifr_flags, IFF_RUNNING); |
98f3df55 RM |
448 | else if (ifdata->ifi_link_state == LINK_STATE_UNKNOWN) |
449 | /* BSD traditionally treats UNKNOWN as UP */ | |
16dca7ce | 450 | SET_FLAG(ifreqflags.ifr_flags, IFF_RUNNING); |
98f3df55 | 451 | else |
16dca7ce | 452 | UNSET_FLAG(ifreqflags.ifr_flags, IFF_RUNNING); |
98f3df55 RM |
453 | } |
454 | ||
455 | #elif defined(HAVE_BSD_LINK_DETECT) | |
456 | /* | |
457 | * This is only needed for FreeBSD older than FreeBSD-13. | |
458 | * Valid and active media generally means the link state is | |
459 | * up, but this is not always the case. | |
460 | * For example, some BSD's with a net80211 interface in MONITOR | |
461 | * mode will treat the media as valid and active but the | |
462 | * link state is down - because we cannot send anything. | |
463 | * Also, virtual interfaces such as PPP, VLAN, etc generally | |
464 | * don't support media at all, so the ioctl will just fail. | |
d62a17ae | 465 | */ |
98f3df55 | 466 | struct ifmediareq ifmr = {.ifm_status = 0}; |
d62a17ae | 467 | |
98f3df55 | 468 | strlcpy(ifmr.ifm_name, ifp->name, sizeof(ifmr.ifm_name)); |
d62a17ae | 469 | |
98f3df55 RM |
470 | if (if_ioctl(SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { |
471 | if (errno != EINVAL) | |
450971aa | 472 | flog_err_sys(EC_LIB_SYSTEM_CALL, |
98f3df55 RM |
473 | "if_ioctl(SIOCGIFMEDIA %s) failed: %s", |
474 | ifp->name, safe_strerror(errno)); | |
475 | } else if (ifmr.ifm_status & IFM_AVALID) { /* media state is valid */ | |
476 | if (ifmr.ifm_status & IFM_ACTIVE) /* media is active */ | |
16dca7ce | 477 | SET_FLAG(ifreqflags.ifr_flags, IFF_RUNNING); |
98f3df55 | 478 | else |
16dca7ce | 479 | UNSET_FLAG(ifreqflags.ifr_flags, IFF_RUNNING); |
d62a17ae | 480 | } |
c543a173 | 481 | #endif /* HAVE_BSD_LINK_DETECT */ |
718e3744 | 482 | |
98f3df55 | 483 | out: |
16dca7ce | 484 | if_flags_update(ifp, (ifreqflags.ifr_flags & 0x0000ffff)); |
718e3744 | 485 | } |
486 | ||
487 | /* Set interface flags */ | |
d62a17ae | 488 | int if_set_flags(struct interface *ifp, uint64_t flags) |
718e3744 | 489 | { |
d62a17ae | 490 | int ret; |
491 | struct ifreq ifreq; | |
718e3744 | 492 | |
6006b807 | 493 | memset(&ifreq, 0, sizeof(ifreq)); |
d62a17ae | 494 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 495 | |
d62a17ae | 496 | ifreq.ifr_flags = ifp->flags; |
497 | ifreq.ifr_flags |= flags; | |
718e3744 | 498 | |
096f7609 | 499 | ret = vrf_if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq, ifp->vrf->vrf_id); |
718e3744 | 500 | |
d62a17ae | 501 | if (ret < 0) { |
7c4910ce DS |
502 | zlog_info("can't set interface %s(%u) flags %" PRIu64, |
503 | ifp->name, ifp->vrf->vrf_id, flags); | |
d62a17ae | 504 | return ret; |
505 | } | |
506 | return 0; | |
718e3744 | 507 | } |
508 | ||
509 | /* Unset interface's flag. */ | |
d62a17ae | 510 | int if_unset_flags(struct interface *ifp, uint64_t flags) |
718e3744 | 511 | { |
d62a17ae | 512 | int ret; |
513 | struct ifreq ifreq; | |
718e3744 | 514 | |
6006b807 | 515 | memset(&ifreq, 0, sizeof(ifreq)); |
d62a17ae | 516 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 517 | |
d62a17ae | 518 | ifreq.ifr_flags = ifp->flags; |
519 | ifreq.ifr_flags &= ~flags; | |
718e3744 | 520 | |
096f7609 | 521 | ret = vrf_if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq, ifp->vrf->vrf_id); |
718e3744 | 522 | |
d62a17ae | 523 | if (ret < 0) { |
7c4910ce DS |
524 | zlog_warn("can't unset interface %s(%u) flags %" PRIu64, |
525 | ifp->name, ifp->vrf->vrf_id, flags); | |
d62a17ae | 526 | return ret; |
527 | } | |
528 | return 0; | |
718e3744 | 529 | } |
530 | ||
39fa2825 | 531 | #ifndef LINUX_IPV6 /* Netlink has its own code */ |
718e3744 | 532 | |
6f0e3f6e | 533 | #ifdef HAVE_STRUCT_IN6_ALIASREQ |
718e3744 | 534 | #ifndef ND6_INFINITE_LIFETIME |
535 | #define ND6_INFINITE_LIFETIME 0xffffffffL | |
536 | #endif /* ND6_INFINITE_LIFETIME */ | |
0f1f6ce4 MS |
537 | |
538 | /* | |
539 | * Helper for interface-addr install, non-netlink | |
540 | */ | |
541 | static int if_set_prefix6_ctx(const struct zebra_dplane_ctx *ctx) | |
542 | { | |
543 | int ret; | |
544 | struct in6_aliasreq addreq; | |
545 | struct sockaddr_in6 addr; | |
546 | struct sockaddr_in6 mask; | |
547 | struct prefix_ipv6 *p; | |
548 | ||
549 | p = (struct prefix_ipv6 *)dplane_ctx_get_intf_addr(ctx); | |
550 | ||
551 | memset(&addreq, 0, sizeof(addreq)); | |
39fa2825 | 552 | strlcpy((char *)&addreq.ifra_name, |
0f1f6ce4 MS |
553 | dplane_ctx_get_ifname(ctx), sizeof(addreq.ifra_name)); |
554 | ||
6006b807 | 555 | memset(&addr, 0, sizeof(addr)); |
0f1f6ce4 MS |
556 | addr.sin6_addr = p->prefix; |
557 | addr.sin6_family = p->family; | |
558 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
559 | addr.sin6_len = sizeof(struct sockaddr_in6); | |
560 | #endif | |
561 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in6)); | |
562 | ||
6006b807 | 563 | memset(&mask, 0, sizeof(mask)); |
0f1f6ce4 MS |
564 | masklen2ip6(p->prefixlen, &mask.sin6_addr); |
565 | mask.sin6_family = p->family; | |
566 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
567 | mask.sin6_len = sizeof(struct sockaddr_in6); | |
568 | #endif | |
569 | memcpy(&addreq.ifra_prefixmask, &mask, sizeof(struct sockaddr_in6)); | |
570 | ||
571 | addreq.ifra_lifetime.ia6t_vltime = 0xffffffff; | |
572 | addreq.ifra_lifetime.ia6t_pltime = 0xffffffff; | |
573 | ||
574 | #ifdef HAVE_STRUCT_IF6_ALIASREQ_IFRA_LIFETIME | |
575 | addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; | |
576 | addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; | |
577 | #endif | |
578 | ||
579 | ret = if_ioctl_ipv6(SIOCAIFADDR_IN6, (caddr_t)&addreq); | |
580 | if (ret < 0) | |
581 | return ret; | |
582 | return 0; | |
583 | } | |
584 | ||
585 | /* | |
586 | * Helper for interface-addr un-install, non-netlink | |
587 | */ | |
588 | static int if_unset_prefix6_ctx(const struct zebra_dplane_ctx *ctx) | |
589 | { | |
590 | int ret; | |
591 | struct in6_aliasreq addreq; | |
592 | struct sockaddr_in6 addr; | |
593 | struct sockaddr_in6 mask; | |
594 | struct prefix_ipv6 *p; | |
595 | ||
596 | p = (struct prefix_ipv6 *)dplane_ctx_get_intf_addr(ctx); | |
597 | ||
598 | memset(&addreq, 0, sizeof(addreq)); | |
39fa2825 | 599 | strlcpy((char *)&addreq.ifra_name, |
0f1f6ce4 MS |
600 | dplane_ctx_get_ifname(ctx), sizeof(addreq.ifra_name)); |
601 | ||
6006b807 | 602 | memset(&addr, 0, sizeof(addr)); |
0f1f6ce4 MS |
603 | addr.sin6_addr = p->prefix; |
604 | addr.sin6_family = p->family; | |
605 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
606 | addr.sin6_len = sizeof(struct sockaddr_in6); | |
607 | #endif | |
608 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in6)); | |
609 | ||
6006b807 | 610 | memset(&mask, 0, sizeof(mask)); |
0f1f6ce4 MS |
611 | masklen2ip6(p->prefixlen, &mask.sin6_addr); |
612 | mask.sin6_family = p->family; | |
613 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
614 | mask.sin6_len = sizeof(struct sockaddr_in6); | |
615 | #endif | |
616 | memcpy(&addreq.ifra_prefixmask, &mask, sizeof(struct sockaddr_in6)); | |
617 | ||
6f0e3f6e | 618 | #ifdef HAVE_STRUCT_IF6_ALIASREQ_IFRA_LIFETIME |
d62a17ae | 619 | addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; |
620 | addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; | |
726f9b2b | 621 | #endif |
718e3744 | 622 | |
d62a17ae | 623 | ret = if_ioctl_ipv6(SIOCDIFADDR_IN6, (caddr_t)&addreq); |
624 | if (ret < 0) | |
625 | return ret; | |
626 | return 0; | |
718e3744 | 627 | } |
628 | #else | |
39fa2825 MS |
629 | /* The old, pre-dataplane code here just returned, so we're retaining that |
630 | * choice. | |
631 | */ | |
632 | static int if_set_prefix6_ctx(const struct zebra_dplane_ctx *ctx) | |
718e3744 | 633 | { |
d62a17ae | 634 | return 0; |
718e3744 | 635 | } |
636 | ||
39fa2825 | 637 | static int if_unset_prefix6_ctx(const struct zebra_dplane_ctx *ctx) |
718e3744 | 638 | { |
d62a17ae | 639 | return 0; |
718e3744 | 640 | } |
6f0e3f6e | 641 | #endif /* HAVE_STRUCT_IN6_ALIASREQ */ |
718e3744 | 642 | |
643 | #endif /* LINUX_IPV6 */ |