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718e3744 | 1 | /* |
2 | * Common ioctl functions. | |
3 | * Copyright (C) 1997, 98 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "linklist.h" | |
25 | #include "if.h" | |
26 | #include "prefix.h" | |
27 | #include "ioctl.h" | |
28 | #include "log.h" | |
edd7c245 | 29 | #include "privs.h" |
174482ef | 30 | #include "lib_errors.h" |
718e3744 | 31 | |
5e6a74d8 | 32 | #include "vty.h" |
718e3744 | 33 | #include "zebra/rib.h" |
34 | #include "zebra/rt.h" | |
5c78b3d0 | 35 | #include "zebra/interface.h" |
364fed6b | 36 | #include "zebra/zebra_errors.h" |
0f1f6ce4 | 37 | #include "zebra/debug.h" |
718e3744 | 38 | |
ddfeb486 DL |
39 | #ifndef SUNOS_5 |
40 | ||
55edb0d4 AS |
41 | #ifdef HAVE_BSD_LINK_DETECT |
42 | #include <net/if_media.h> | |
43 | #endif /* HAVE_BSD_LINK_DETECT*/ | |
44 | ||
edd7c245 | 45 | extern struct zebra_privs_t zserv_privs; |
46 | ||
718e3744 | 47 | /* clear and set interface name string */ |
d62a17ae | 48 | void ifreq_set_name(struct ifreq *ifreq, struct interface *ifp) |
718e3744 | 49 | { |
0af35d90 | 50 | strlcpy(ifreq->ifr_name, ifp->name, sizeof(ifreq->ifr_name)); |
718e3744 | 51 | } |
52 | ||
53 | /* call ioctl system call */ | |
d7c0a89a | 54 | int if_ioctl(unsigned long request, caddr_t buffer) |
718e3744 | 55 | { |
d62a17ae | 56 | int sock; |
57 | int ret; | |
58 | int err = 0; | |
59 | ||
01b9e3fd DL |
60 | frr_elevate_privs(&zserv_privs) { |
61 | sock = socket(AF_INET, SOCK_DGRAM, 0); | |
62 | if (sock < 0) { | |
63 | zlog_err("Cannot create UDP socket: %s", | |
64 | safe_strerror(errno)); | |
65 | exit(1); | |
66 | } | |
67 | if ((ret = ioctl(sock, request, buffer)) < 0) | |
68 | err = errno; | |
d62a17ae | 69 | } |
d62a17ae | 70 | close(sock); |
71 | ||
72 | if (ret < 0) { | |
73 | errno = err; | |
74 | return ret; | |
75 | } | |
76 | return 0; | |
718e3744 | 77 | } |
78 | ||
4db21619 | 79 | /* call ioctl system call */ |
d7c0a89a | 80 | int vrf_if_ioctl(unsigned long request, caddr_t buffer, vrf_id_t vrf_id) |
4db21619 PG |
81 | { |
82 | int sock; | |
83 | int ret; | |
84 | int err = 0; | |
85 | ||
01b9e3fd DL |
86 | frr_elevate_privs(&zserv_privs) { |
87 | sock = vrf_socket(AF_INET, SOCK_DGRAM, 0, vrf_id, NULL); | |
88 | if (sock < 0) { | |
89 | zlog_err("Cannot create UDP socket: %s", | |
90 | safe_strerror(errno)); | |
91 | exit(1); | |
92 | } | |
93 | ret = vrf_ioctl(vrf_id, sock, request, buffer); | |
94 | if (ret < 0) | |
95 | err = errno; | |
4db21619 | 96 | } |
4db21619 PG |
97 | close(sock); |
98 | ||
99 | if (ret < 0) { | |
100 | errno = err; | |
101 | return ret; | |
102 | } | |
103 | return 0; | |
104 | } | |
105 | ||
e86b71f1 | 106 | #ifndef HAVE_NETLINK |
d7c0a89a | 107 | static int if_ioctl_ipv6(unsigned long request, caddr_t buffer) |
718e3744 | 108 | { |
d62a17ae | 109 | int sock; |
110 | int ret; | |
111 | int err = 0; | |
112 | ||
01b9e3fd DL |
113 | frr_elevate_privs(&zserv_privs) { |
114 | sock = socket(AF_INET6, SOCK_DGRAM, 0); | |
115 | if (sock < 0) { | |
116 | zlog_err("Cannot create IPv6 datagram socket: %s", | |
117 | safe_strerror(errno)); | |
118 | exit(1); | |
119 | } | |
d62a17ae | 120 | |
01b9e3fd DL |
121 | if ((ret = ioctl(sock, request, buffer)) < 0) |
122 | err = errno; | |
123 | } | |
d62a17ae | 124 | close(sock); |
125 | ||
126 | if (ret < 0) { | |
127 | errno = err; | |
128 | return ret; | |
129 | } | |
130 | return 0; | |
718e3744 | 131 | } |
e86b71f1 | 132 | #endif /* ! HAVE_NETLINK */ |
718e3744 | 133 | |
134 | /* | |
135 | * get interface metric | |
136 | * -- if value is not avaliable set -1 | |
137 | */ | |
d62a17ae | 138 | void if_get_metric(struct interface *ifp) |
718e3744 | 139 | { |
140 | #ifdef SIOCGIFMETRIC | |
d62a17ae | 141 | struct ifreq ifreq; |
718e3744 | 142 | |
d62a17ae | 143 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 144 | |
4db21619 | 145 | if (vrf_if_ioctl(SIOCGIFMETRIC, (caddr_t)&ifreq, ifp->vrf_id) < 0) |
d62a17ae | 146 | return; |
147 | ifp->metric = ifreq.ifr_metric; | |
148 | if (ifp->metric == 0) | |
149 | ifp->metric = 1; | |
150 | #else /* SIOCGIFMETRIC */ | |
151 | ifp->metric = -1; | |
718e3744 | 152 | #endif /* SIOCGIFMETRIC */ |
153 | } | |
154 | ||
155 | /* get interface MTU */ | |
d62a17ae | 156 | void if_get_mtu(struct interface *ifp) |
718e3744 | 157 | { |
d62a17ae | 158 | struct ifreq ifreq; |
718e3744 | 159 | |
d62a17ae | 160 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 161 | |
162 | #if defined(SIOCGIFMTU) | |
4db21619 | 163 | if (vrf_if_ioctl(SIOCGIFMTU, (caddr_t)&ifreq, ifp->vrf_id) < 0) { |
d62a17ae | 164 | zlog_info("Can't lookup mtu by ioctl(SIOCGIFMTU)"); |
165 | ifp->mtu6 = ifp->mtu = -1; | |
166 | return; | |
167 | } | |
718e3744 | 168 | |
169 | #ifdef SUNOS_5 | |
d62a17ae | 170 | ifp->mtu6 = ifp->mtu = ifreq.ifr_metric; |
718e3744 | 171 | #else |
d62a17ae | 172 | ifp->mtu6 = ifp->mtu = ifreq.ifr_mtu; |
718e3744 | 173 | #endif /* SUNOS_5 */ |
174 | ||
d62a17ae | 175 | /* propogate */ |
176 | zebra_interface_up_update(ifp); | |
f5e004f7 | 177 | |
718e3744 | 178 | #else |
d62a17ae | 179 | zlog_info("Can't lookup mtu on this system"); |
180 | ifp->mtu6 = ifp->mtu = -1; | |
718e3744 | 181 | #endif |
182 | } | |
183 | ||
64168803 | 184 | /* |
0f1f6ce4 MS |
185 | * Handler for interface address programming via the zebra dplane, |
186 | * for non-netlink platforms. This handler dispatches to per-platform | |
187 | * helpers, based on the operation requested. | |
64168803 MS |
188 | */ |
189 | #ifndef HAVE_NETLINK | |
190 | ||
0f1f6ce4 MS |
191 | /* Prototypes: these are placed in this block so that they're only seen |
192 | * on non-netlink platforms. | |
193 | */ | |
194 | static int if_set_prefix_ctx(const struct zebra_dplane_ctx *ctx); | |
195 | static int if_unset_prefix_ctx(const struct zebra_dplane_ctx *ctx); | |
196 | static int if_set_prefix6_ctx(const struct zebra_dplane_ctx *ctx); | |
197 | static int if_unset_prefix6_ctx(const struct zebra_dplane_ctx *ctx); | |
198 | ||
64168803 MS |
199 | enum zebra_dplane_result kernel_address_update_ctx( |
200 | struct zebra_dplane_ctx *ctx) | |
201 | { | |
0f1f6ce4 MS |
202 | int ret = -1; |
203 | const struct prefix *p; | |
204 | ||
205 | p = dplane_ctx_get_intf_addr(ctx); | |
206 | ||
207 | if (dplane_ctx_get_op(ctx) == DPLANE_OP_ADDR_INSTALL) { | |
208 | if (p->family == AF_INET) | |
209 | ret = if_set_prefix_ctx(ctx); | |
210 | else | |
211 | ret = if_set_prefix6_ctx(ctx); | |
212 | } else if (dplane_ctx_get_op(ctx) == DPLANE_OP_ADDR_UNINSTALL) { | |
213 | if (p->family == AF_INET) | |
214 | ret = if_unset_prefix_ctx(ctx); | |
215 | else | |
216 | ret = if_unset_prefix6_ctx(ctx); | |
217 | } else { | |
218 | if (IS_ZEBRA_DEBUG_DPLANE) | |
219 | zlog_debug("Invalid op in interface-addr install"); | |
220 | } | |
221 | ||
222 | return (ret == 0 ? | |
223 | ZEBRA_DPLANE_REQUEST_SUCCESS : ZEBRA_DPLANE_REQUEST_FAILURE); | |
64168803 MS |
224 | } |
225 | ||
226 | #endif /* !HAVE_NETLINK */ | |
227 | ||
718e3744 | 228 | #ifdef HAVE_NETLINK |
0f1f6ce4 MS |
229 | |
230 | /* TODO -- remove; no use of these apis with netlink any longer */ | |
231 | ||
232 | #else /* ! HAVE_NETLINK */ | |
233 | #ifdef HAVE_STRUCT_IFALIASREQ | |
234 | ||
235 | /* | |
236 | * Helper for interface-addr install, non-netlink | |
237 | */ | |
238 | static int if_set_prefix_ctx(const struct zebra_dplane_ctx *ctx) | |
718e3744 | 239 | { |
0f1f6ce4 MS |
240 | int ret; |
241 | struct ifaliasreq addreq; | |
242 | struct sockaddr_in addr, mask, peer; | |
243 | struct prefix_ipv4 *p; | |
244 | ||
245 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_addr(ctx); | |
246 | ||
247 | memset(&addreq, 0, sizeof(addreq)); | |
248 | strncpy((char *)&addreq.ifra_name, dplane_ctx_get_ifname(ctx), | |
249 | sizeof(addreq.ifra_name)); | |
250 | ||
251 | memset(&addr, 0, sizeof(struct sockaddr_in)); | |
252 | addr.sin_addr = p->prefix; | |
253 | addr.sin_family = p->family; | |
254 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
255 | addr.sin_len = sizeof(struct sockaddr_in); | |
256 | #endif | |
257 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in)); | |
258 | ||
259 | if (dplane_ctx_intf_is_connected(ctx)) { | |
260 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_dest(ctx); | |
261 | memset(&mask, 0, sizeof(struct sockaddr_in)); | |
262 | peer.sin_addr = p->prefix; | |
263 | peer.sin_family = p->family; | |
264 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
265 | peer.sin_len = sizeof(struct sockaddr_in); | |
266 | #endif | |
267 | memcpy(&addreq.ifra_broadaddr, &peer, | |
268 | sizeof(struct sockaddr_in)); | |
269 | } | |
270 | ||
271 | memset(&mask, 0, sizeof(struct sockaddr_in)); | |
272 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
273 | mask.sin_family = p->family; | |
274 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
275 | mask.sin_len = sizeof(struct sockaddr_in); | |
276 | #endif | |
277 | memcpy(&addreq.ifra_mask, &mask, sizeof(struct sockaddr_in)); | |
278 | ||
279 | ret = if_ioctl(SIOCAIFADDR, (caddr_t)&addreq); | |
280 | if (ret < 0) | |
281 | return ret; | |
282 | return 0; | |
283 | ||
718e3744 | 284 | } |
285 | ||
0f1f6ce4 MS |
286 | /* |
287 | * Helper for interface-addr un-install, non-netlink | |
288 | */ | |
289 | static int if_unset_prefix_ctx(const struct zebra_dplane_ctx *ctx) | |
718e3744 | 290 | { |
0f1f6ce4 MS |
291 | int ret; |
292 | struct ifaliasreq addreq; | |
293 | struct sockaddr_in addr, mask, peer; | |
294 | struct prefix_ipv4 *p; | |
295 | ||
296 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_addr(ctx); | |
297 | ||
298 | memset(&addreq, 0, sizeof(addreq)); | |
299 | strncpy((char *)&addreq.ifra_name, dplane_ctx_get_ifname(ctx), | |
300 | sizeof(addreq.ifra_name)); | |
301 | ||
302 | memset(&addr, 0, sizeof(struct sockaddr_in)); | |
303 | addr.sin_addr = p->prefix; | |
304 | addr.sin_family = p->family; | |
305 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
306 | addr.sin_len = sizeof(struct sockaddr_in); | |
307 | #endif | |
308 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in)); | |
309 | ||
310 | if (dplane_ctx_intf_is_connected(ctx)) { | |
311 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_dest(ctx); | |
312 | memset(&mask, 0, sizeof(struct sockaddr_in)); | |
313 | peer.sin_addr = p->prefix; | |
314 | peer.sin_family = p->family; | |
315 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
316 | peer.sin_len = sizeof(struct sockaddr_in); | |
317 | #endif | |
318 | memcpy(&addreq.ifra_broadaddr, &peer, | |
319 | sizeof(struct sockaddr_in)); | |
320 | } | |
321 | ||
322 | memset(&mask, 0, sizeof(struct sockaddr_in)); | |
323 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
324 | mask.sin_family = p->family; | |
325 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
326 | mask.sin_len = sizeof(struct sockaddr_in); | |
327 | #endif | |
328 | memcpy(&addreq.ifra_mask, &mask, sizeof(struct sockaddr_in)); | |
329 | ||
330 | ret = if_ioctl(SIOCDIFADDR, (caddr_t)&addreq); | |
331 | if (ret < 0) | |
332 | return ret; | |
333 | return 0; | |
718e3744 | 334 | } |
718e3744 | 335 | #else |
336 | /* Set up interface's address, netmask (and broadcas? ). Linux or | |
337 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
39fa2825 | 338 | int if_set_prefix_ctx(const struct zebra_dplane_ctx *ctx) |
718e3744 | 339 | { |
d62a17ae | 340 | int ret; |
341 | struct ifreq ifreq; | |
342 | struct sockaddr_in addr; | |
343 | struct sockaddr_in broad; | |
344 | struct sockaddr_in mask; | |
345 | struct prefix_ipv4 ifaddr; | |
346 | struct prefix_ipv4 *p; | |
347 | ||
39fa2825 | 348 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_addr(ctx); |
d62a17ae | 349 | |
350 | ifaddr = *p; | |
351 | ||
39fa2825 MS |
352 | strlcpy(ifreq.ifr_name, dplane_ctx_get_ifname(ctx), |
353 | sizeof(ifreq.ifr_name)); | |
d62a17ae | 354 | |
355 | addr.sin_addr = p->prefix; | |
356 | addr.sin_family = p->family; | |
357 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
358 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); | |
359 | if (ret < 0) | |
360 | return ret; | |
361 | ||
362 | /* We need mask for make broadcast addr. */ | |
363 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
364 | ||
39fa2825 | 365 | if (dplane_ctx_intf_is_broadcast(ctx)) { |
d62a17ae | 366 | apply_mask_ipv4(&ifaddr); |
367 | addr.sin_addr = ifaddr.prefix; | |
368 | ||
369 | broad.sin_addr.s_addr = | |
370 | (addr.sin_addr.s_addr | ~mask.sin_addr.s_addr); | |
371 | broad.sin_family = p->family; | |
372 | ||
373 | memcpy(&ifreq.ifr_broadaddr, &broad, | |
374 | sizeof(struct sockaddr_in)); | |
375 | ret = if_ioctl(SIOCSIFBRDADDR, (caddr_t)&ifreq); | |
376 | if (ret < 0) | |
377 | return ret; | |
378 | } | |
379 | ||
380 | mask.sin_family = p->family; | |
718e3744 | 381 | #ifdef SUNOS_5 |
d62a17ae | 382 | memcpy(&mask, &ifreq.ifr_addr, sizeof(mask)); |
718e3744 | 383 | #else |
39fa2825 | 384 | memcpy(&ifreq.ifr_addr, &mask, sizeof(struct sockaddr_in)); |
718e3744 | 385 | #endif /* SUNOS5 */ |
d62a17ae | 386 | ret = if_ioctl(SIOCSIFNETMASK, (caddr_t)&ifreq); |
387 | if (ret < 0) | |
388 | return ret; | |
718e3744 | 389 | |
d62a17ae | 390 | return 0; |
718e3744 | 391 | } |
392 | ||
393 | /* Set up interface's address, netmask (and broadcas? ). Linux or | |
394 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
39fa2825 | 395 | int if_unset_prefix_ctx(const struct zebra_dplane_ctx *ctx) |
718e3744 | 396 | { |
d62a17ae | 397 | int ret; |
398 | struct ifreq ifreq; | |
399 | struct sockaddr_in addr; | |
400 | struct prefix_ipv4 *p; | |
718e3744 | 401 | |
39fa2825 | 402 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_addr(ctx); |
718e3744 | 403 | |
39fa2825 MS |
404 | strlcpy(ifreq.ifr_name, dplane_ctx_get_ifname(ctx), |
405 | sizeof(ifreq.ifr_name)); | |
718e3744 | 406 | |
d62a17ae | 407 | memset(&addr, 0, sizeof(struct sockaddr_in)); |
408 | addr.sin_family = p->family; | |
409 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
410 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); | |
411 | if (ret < 0) | |
412 | return ret; | |
718e3744 | 413 | |
d62a17ae | 414 | return 0; |
718e3744 | 415 | } |
6f0e3f6e | 416 | #endif /* HAVE_STRUCT_IFALIASREQ */ |
718e3744 | 417 | #endif /* HAVE_NETLINK */ |
418 | ||
419 | /* get interface flags */ | |
d62a17ae | 420 | void if_get_flags(struct interface *ifp) |
718e3744 | 421 | { |
d62a17ae | 422 | int ret; |
423 | struct ifreq ifreq; | |
c543a173 | 424 | #ifdef HAVE_BSD_LINK_DETECT |
d62a17ae | 425 | struct ifmediareq ifmr; |
c543a173 | 426 | #endif /* HAVE_BSD_LINK_DETECT */ |
718e3744 | 427 | |
d62a17ae | 428 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 429 | |
4db21619 | 430 | ret = vrf_if_ioctl(SIOCGIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id); |
d62a17ae | 431 | if (ret < 0) { |
450971aa | 432 | flog_err_sys(EC_LIB_SYSTEM_CALL, |
09c866e3 QY |
433 | "vrf_if_ioctl(SIOCGIFFLAGS) failed: %s", |
434 | safe_strerror(errno)); | |
d62a17ae | 435 | return; |
436 | } | |
c543a173 | 437 | #ifdef HAVE_BSD_LINK_DETECT /* Detect BSD link-state at start-up */ |
0b3f3d47 | 438 | |
d62a17ae | 439 | /* Per-default, IFF_RUNNING is held high, unless link-detect says |
440 | * otherwise - we abuse IFF_RUNNING inside zebra as a link-state flag, | |
441 | * following practice on Linux and Solaris kernels | |
442 | */ | |
443 | SET_FLAG(ifreq.ifr_flags, IFF_RUNNING); | |
444 | ||
445 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION)) { | |
446 | (void)memset(&ifmr, 0, sizeof(ifmr)); | |
138a4965 | 447 | strlcpy(ifmr.ifm_name, ifp->name, sizeof(ifmr.ifm_name)); |
d62a17ae | 448 | |
449 | /* Seems not all interfaces implement this ioctl */ | |
c69f2c1f RZ |
450 | if (if_ioctl(SIOCGIFMEDIA, (caddr_t)&ifmr) == -1 && |
451 | errno != EINVAL) | |
450971aa | 452 | flog_err_sys(EC_LIB_SYSTEM_CALL, |
09c866e3 QY |
453 | "if_ioctl(SIOCGIFMEDIA) failed: %s", |
454 | safe_strerror(errno)); | |
d62a17ae | 455 | else if (ifmr.ifm_status & IFM_AVALID) /* Link state is valid */ |
456 | { | |
457 | if (ifmr.ifm_status & IFM_ACTIVE) | |
458 | SET_FLAG(ifreq.ifr_flags, IFF_RUNNING); | |
459 | else | |
460 | UNSET_FLAG(ifreq.ifr_flags, IFF_RUNNING); | |
461 | } | |
462 | } | |
c543a173 | 463 | #endif /* HAVE_BSD_LINK_DETECT */ |
718e3744 | 464 | |
d62a17ae | 465 | if_flags_update(ifp, (ifreq.ifr_flags & 0x0000ffff)); |
718e3744 | 466 | } |
467 | ||
468 | /* Set interface flags */ | |
d62a17ae | 469 | int if_set_flags(struct interface *ifp, uint64_t flags) |
718e3744 | 470 | { |
d62a17ae | 471 | int ret; |
472 | struct ifreq ifreq; | |
718e3744 | 473 | |
d62a17ae | 474 | memset(&ifreq, 0, sizeof(struct ifreq)); |
475 | ifreq_set_name(&ifreq, ifp); | |
718e3744 | 476 | |
d62a17ae | 477 | ifreq.ifr_flags = ifp->flags; |
478 | ifreq.ifr_flags |= flags; | |
718e3744 | 479 | |
4db21619 | 480 | ret = vrf_if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id); |
718e3744 | 481 | |
d62a17ae | 482 | if (ret < 0) { |
483 | zlog_info("can't set interface flags"); | |
484 | return ret; | |
485 | } | |
486 | return 0; | |
718e3744 | 487 | } |
488 | ||
489 | /* Unset interface's flag. */ | |
d62a17ae | 490 | int if_unset_flags(struct interface *ifp, uint64_t flags) |
718e3744 | 491 | { |
d62a17ae | 492 | int ret; |
493 | struct ifreq ifreq; | |
718e3744 | 494 | |
d62a17ae | 495 | memset(&ifreq, 0, sizeof(struct ifreq)); |
496 | ifreq_set_name(&ifreq, ifp); | |
718e3744 | 497 | |
d62a17ae | 498 | ifreq.ifr_flags = ifp->flags; |
499 | ifreq.ifr_flags &= ~flags; | |
718e3744 | 500 | |
4db21619 | 501 | ret = vrf_if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id); |
718e3744 | 502 | |
d62a17ae | 503 | if (ret < 0) { |
504 | zlog_info("can't unset interface flags"); | |
505 | return ret; | |
506 | } | |
507 | return 0; | |
718e3744 | 508 | } |
509 | ||
39fa2825 | 510 | #ifndef LINUX_IPV6 /* Netlink has its own code */ |
718e3744 | 511 | |
6f0e3f6e | 512 | #ifdef HAVE_STRUCT_IN6_ALIASREQ |
718e3744 | 513 | #ifndef ND6_INFINITE_LIFETIME |
514 | #define ND6_INFINITE_LIFETIME 0xffffffffL | |
515 | #endif /* ND6_INFINITE_LIFETIME */ | |
0f1f6ce4 MS |
516 | |
517 | /* | |
518 | * Helper for interface-addr install, non-netlink | |
519 | */ | |
520 | static int if_set_prefix6_ctx(const struct zebra_dplane_ctx *ctx) | |
521 | { | |
522 | int ret; | |
523 | struct in6_aliasreq addreq; | |
524 | struct sockaddr_in6 addr; | |
525 | struct sockaddr_in6 mask; | |
526 | struct prefix_ipv6 *p; | |
527 | ||
528 | p = (struct prefix_ipv6 *)dplane_ctx_get_intf_addr(ctx); | |
529 | ||
530 | memset(&addreq, 0, sizeof(addreq)); | |
39fa2825 | 531 | strlcpy((char *)&addreq.ifra_name, |
0f1f6ce4 MS |
532 | dplane_ctx_get_ifname(ctx), sizeof(addreq.ifra_name)); |
533 | ||
534 | memset(&addr, 0, sizeof(struct sockaddr_in6)); | |
535 | addr.sin6_addr = p->prefix; | |
536 | addr.sin6_family = p->family; | |
537 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
538 | addr.sin6_len = sizeof(struct sockaddr_in6); | |
539 | #endif | |
540 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in6)); | |
541 | ||
542 | memset(&mask, 0, sizeof(struct sockaddr_in6)); | |
543 | masklen2ip6(p->prefixlen, &mask.sin6_addr); | |
544 | mask.sin6_family = p->family; | |
545 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
546 | mask.sin6_len = sizeof(struct sockaddr_in6); | |
547 | #endif | |
548 | memcpy(&addreq.ifra_prefixmask, &mask, sizeof(struct sockaddr_in6)); | |
549 | ||
550 | addreq.ifra_lifetime.ia6t_vltime = 0xffffffff; | |
551 | addreq.ifra_lifetime.ia6t_pltime = 0xffffffff; | |
552 | ||
553 | #ifdef HAVE_STRUCT_IF6_ALIASREQ_IFRA_LIFETIME | |
554 | addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; | |
555 | addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; | |
556 | #endif | |
557 | ||
558 | ret = if_ioctl_ipv6(SIOCAIFADDR_IN6, (caddr_t)&addreq); | |
559 | if (ret < 0) | |
560 | return ret; | |
561 | return 0; | |
562 | } | |
563 | ||
564 | /* | |
565 | * Helper for interface-addr un-install, non-netlink | |
566 | */ | |
567 | static int if_unset_prefix6_ctx(const struct zebra_dplane_ctx *ctx) | |
568 | { | |
569 | int ret; | |
570 | struct in6_aliasreq addreq; | |
571 | struct sockaddr_in6 addr; | |
572 | struct sockaddr_in6 mask; | |
573 | struct prefix_ipv6 *p; | |
574 | ||
575 | p = (struct prefix_ipv6 *)dplane_ctx_get_intf_addr(ctx); | |
576 | ||
577 | memset(&addreq, 0, sizeof(addreq)); | |
39fa2825 | 578 | strlcpy((char *)&addreq.ifra_name, |
0f1f6ce4 MS |
579 | dplane_ctx_get_ifname(ctx), sizeof(addreq.ifra_name)); |
580 | ||
581 | memset(&addr, 0, sizeof(struct sockaddr_in6)); | |
582 | addr.sin6_addr = p->prefix; | |
583 | addr.sin6_family = p->family; | |
584 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
585 | addr.sin6_len = sizeof(struct sockaddr_in6); | |
586 | #endif | |
587 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in6)); | |
588 | ||
589 | memset(&mask, 0, sizeof(struct sockaddr_in6)); | |
590 | masklen2ip6(p->prefixlen, &mask.sin6_addr); | |
591 | mask.sin6_family = p->family; | |
592 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
593 | mask.sin6_len = sizeof(struct sockaddr_in6); | |
594 | #endif | |
595 | memcpy(&addreq.ifra_prefixmask, &mask, sizeof(struct sockaddr_in6)); | |
596 | ||
6f0e3f6e | 597 | #ifdef HAVE_STRUCT_IF6_ALIASREQ_IFRA_LIFETIME |
d62a17ae | 598 | addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; |
599 | addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; | |
726f9b2b | 600 | #endif |
718e3744 | 601 | |
d62a17ae | 602 | ret = if_ioctl_ipv6(SIOCDIFADDR_IN6, (caddr_t)&addreq); |
603 | if (ret < 0) | |
604 | return ret; | |
605 | return 0; | |
718e3744 | 606 | } |
607 | #else | |
39fa2825 MS |
608 | /* The old, pre-dataplane code here just returned, so we're retaining that |
609 | * choice. | |
610 | */ | |
611 | static int if_set_prefix6_ctx(const struct zebra_dplane_ctx *ctx) | |
718e3744 | 612 | { |
d62a17ae | 613 | return 0; |
718e3744 | 614 | } |
615 | ||
39fa2825 | 616 | static int if_unset_prefix6_ctx(const struct zebra_dplane_ctx *ctx) |
718e3744 | 617 | { |
d62a17ae | 618 | return 0; |
718e3744 | 619 | } |
6f0e3f6e | 620 | #endif /* HAVE_STRUCT_IN6_ALIASREQ */ |
718e3744 | 621 | |
622 | #endif /* LINUX_IPV6 */ | |
ddfeb486 DL |
623 | |
624 | #endif /* !SUNOS_5 */ |