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Commit | Line | Data |
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63a01ef8 AL |
1 | /* |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
1df49e04 | 24 | #include "net.h" |
63a01ef8 | 25 | |
d40cdb10 BS |
26 | #include "config-host.h" |
27 | ||
a8ed73f7 | 28 | #include "net/tap.h" |
42281ac9 | 29 | #include "net/socket.h" |
1abecf77 | 30 | #include "net/dump.h" |
68ac40d2 | 31 | #include "net/slirp.h" |
5c361cc3 | 32 | #include "net/vde.h" |
f1d078c3 | 33 | #include "net/util.h" |
511d2b14 BS |
34 | #include "monitor.h" |
35 | #include "sysemu.h" | |
1df49e04 | 36 | #include "qemu-common.h" |
511d2b14 BS |
37 | #include "qemu_socket.h" |
38 | ||
5610c3aa | 39 | static QTAILQ_HEAD(, VLANState) vlans; |
577c4af9 | 40 | static QTAILQ_HEAD(, VLANClientState) non_vlan_clients; |
63a01ef8 AL |
41 | |
42 | /***********************************************************/ | |
43 | /* network device redirectors */ | |
44 | ||
68ac40d2 | 45 | #if defined(DEBUG_NET) |
63a01ef8 AL |
46 | static void hex_dump(FILE *f, const uint8_t *buf, int size) |
47 | { | |
48 | int len, i, j, c; | |
49 | ||
50 | for(i=0;i<size;i+=16) { | |
51 | len = size - i; | |
52 | if (len > 16) | |
53 | len = 16; | |
54 | fprintf(f, "%08x ", i); | |
55 | for(j=0;j<16;j++) { | |
56 | if (j < len) | |
57 | fprintf(f, " %02x", buf[i+j]); | |
58 | else | |
59 | fprintf(f, " "); | |
60 | } | |
61 | fprintf(f, " "); | |
62 | for(j=0;j<len;j++) { | |
63 | c = buf[i+j]; | |
64 | if (c < ' ' || c > '~') | |
65 | c = '.'; | |
66 | fprintf(f, "%c", c); | |
67 | } | |
68 | fprintf(f, "\n"); | |
69 | } | |
70 | } | |
71 | #endif | |
72 | ||
63a01ef8 AL |
73 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
74 | { | |
75 | const char *p, *p1; | |
76 | int len; | |
77 | p = *pp; | |
78 | p1 = strchr(p, sep); | |
79 | if (!p1) | |
80 | return -1; | |
81 | len = p1 - p; | |
82 | p1++; | |
83 | if (buf_size > 0) { | |
84 | if (len > buf_size - 1) | |
85 | len = buf_size - 1; | |
86 | memcpy(buf, p, len); | |
87 | buf[len] = '\0'; | |
88 | } | |
89 | *pp = p1; | |
90 | return 0; | |
91 | } | |
92 | ||
93 | int parse_host_src_port(struct sockaddr_in *haddr, | |
94 | struct sockaddr_in *saddr, | |
95 | const char *input_str) | |
96 | { | |
97 | char *str = strdup(input_str); | |
98 | char *host_str = str; | |
99 | char *src_str; | |
100 | const char *src_str2; | |
101 | char *ptr; | |
102 | ||
103 | /* | |
104 | * Chop off any extra arguments at the end of the string which | |
105 | * would start with a comma, then fill in the src port information | |
106 | * if it was provided else use the "any address" and "any port". | |
107 | */ | |
108 | if ((ptr = strchr(str,','))) | |
109 | *ptr = '\0'; | |
110 | ||
111 | if ((src_str = strchr(input_str,'@'))) { | |
112 | *src_str = '\0'; | |
113 | src_str++; | |
114 | } | |
115 | ||
116 | if (parse_host_port(haddr, host_str) < 0) | |
117 | goto fail; | |
118 | ||
119 | src_str2 = src_str; | |
120 | if (!src_str || *src_str == '\0') | |
121 | src_str2 = ":0"; | |
122 | ||
123 | if (parse_host_port(saddr, src_str2) < 0) | |
124 | goto fail; | |
125 | ||
126 | free(str); | |
127 | return(0); | |
128 | ||
129 | fail: | |
130 | free(str); | |
131 | return -1; | |
132 | } | |
133 | ||
134 | int parse_host_port(struct sockaddr_in *saddr, const char *str) | |
135 | { | |
136 | char buf[512]; | |
137 | struct hostent *he; | |
138 | const char *p, *r; | |
139 | int port; | |
140 | ||
141 | p = str; | |
142 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
143 | return -1; | |
144 | saddr->sin_family = AF_INET; | |
145 | if (buf[0] == '\0') { | |
146 | saddr->sin_addr.s_addr = 0; | |
147 | } else { | |
cd390083 | 148 | if (qemu_isdigit(buf[0])) { |
63a01ef8 AL |
149 | if (!inet_aton(buf, &saddr->sin_addr)) |
150 | return -1; | |
151 | } else { | |
152 | if ((he = gethostbyname(buf)) == NULL) | |
153 | return - 1; | |
154 | saddr->sin_addr = *(struct in_addr *)he->h_addr; | |
155 | } | |
156 | } | |
157 | port = strtol(p, (char **)&r, 0); | |
158 | if (r == p) | |
159 | return -1; | |
160 | saddr->sin_port = htons(port); | |
161 | return 0; | |
162 | } | |
163 | ||
7cb7434b AL |
164 | void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]) |
165 | { | |
166 | snprintf(vc->info_str, sizeof(vc->info_str), | |
4dda4063 AL |
167 | "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x", |
168 | vc->model, | |
7cb7434b AL |
169 | macaddr[0], macaddr[1], macaddr[2], |
170 | macaddr[3], macaddr[4], macaddr[5]); | |
171 | } | |
172 | ||
76d32cba GH |
173 | void qemu_macaddr_default_if_unset(MACAddr *macaddr) |
174 | { | |
175 | static int index = 0; | |
176 | static const MACAddr zero = { .a = { 0,0,0,0,0,0 } }; | |
177 | ||
178 | if (memcmp(macaddr, &zero, sizeof(zero)) != 0) | |
179 | return; | |
180 | macaddr->a[0] = 0x52; | |
181 | macaddr->a[1] = 0x54; | |
182 | macaddr->a[2] = 0x00; | |
183 | macaddr->a[3] = 0x12; | |
184 | macaddr->a[4] = 0x34; | |
185 | macaddr->a[5] = 0x56 + index++; | |
186 | } | |
187 | ||
676cff29 AL |
188 | static char *assign_name(VLANClientState *vc1, const char *model) |
189 | { | |
190 | VLANState *vlan; | |
191 | char buf[256]; | |
192 | int id = 0; | |
193 | ||
5610c3aa | 194 | QTAILQ_FOREACH(vlan, &vlans, next) { |
676cff29 AL |
195 | VLANClientState *vc; |
196 | ||
5610c3aa MM |
197 | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
198 | if (vc != vc1 && strcmp(vc->model, model) == 0) { | |
676cff29 | 199 | id++; |
5610c3aa MM |
200 | } |
201 | } | |
676cff29 AL |
202 | } |
203 | ||
204 | snprintf(buf, sizeof(buf), "%s.%d", model, id); | |
205 | ||
02374aa0 | 206 | return qemu_strdup(buf); |
676cff29 AL |
207 | } |
208 | ||
9a6ecb30 | 209 | static ssize_t qemu_deliver_packet(VLANClientState *sender, |
c0b8e49c | 210 | unsigned flags, |
9a6ecb30 MM |
211 | const uint8_t *data, |
212 | size_t size, | |
213 | void *opaque); | |
214 | static ssize_t qemu_deliver_packet_iov(VLANClientState *sender, | |
c0b8e49c | 215 | unsigned flags, |
9a6ecb30 MM |
216 | const struct iovec *iov, |
217 | int iovcnt, | |
218 | void *opaque); | |
219 | ||
45460d1a MM |
220 | VLANClientState *qemu_new_net_client(NetClientInfo *info, |
221 | VLANState *vlan, | |
222 | VLANClientState *peer, | |
223 | const char *model, | |
224 | const char *name) | |
63a01ef8 | 225 | { |
5610c3aa MM |
226 | VLANClientState *vc; |
227 | ||
45460d1a MM |
228 | assert(info->size >= sizeof(VLANClientState)); |
229 | ||
230 | vc = qemu_mallocz(info->size); | |
5610c3aa | 231 | |
45460d1a | 232 | vc->type = info->type; |
02374aa0 | 233 | vc->model = qemu_strdup(model); |
45460d1a | 234 | if (name) { |
02374aa0 | 235 | vc->name = qemu_strdup(name); |
45460d1a | 236 | } else { |
7a9f6e4a | 237 | vc->name = assign_name(vc, model); |
45460d1a MM |
238 | } |
239 | vc->can_receive = info->can_receive; | |
240 | vc->receive = info->receive; | |
241 | vc->receive_raw = info->receive_raw; | |
242 | vc->receive_iov = info->receive_iov; | |
243 | vc->cleanup = info->cleanup; | |
244 | vc->link_status_changed = info->link_status_changed; | |
5610c3aa | 245 | |
d80b9fc6 | 246 | if (vlan) { |
283c7c63 | 247 | assert(!peer); |
d80b9fc6 MM |
248 | vc->vlan = vlan; |
249 | QTAILQ_INSERT_TAIL(&vc->vlan->clients, vc, next); | |
577c4af9 | 250 | } else { |
283c7c63 MM |
251 | if (peer) { |
252 | vc->peer = peer; | |
253 | peer->peer = vc; | |
254 | } | |
577c4af9 | 255 | QTAILQ_INSERT_TAIL(&non_vlan_clients, vc, next); |
9a6ecb30 MM |
256 | |
257 | vc->send_queue = qemu_new_net_queue(qemu_deliver_packet, | |
258 | qemu_deliver_packet_iov, | |
259 | vc); | |
d80b9fc6 | 260 | } |
63a01ef8 | 261 | |
63a01ef8 AL |
262 | return vc; |
263 | } | |
264 | ||
ebef2c09 MM |
265 | NICState *qemu_new_nic(NetClientInfo *info, |
266 | NICConf *conf, | |
267 | const char *model, | |
268 | const char *name, | |
269 | void *opaque) | |
270 | { | |
271 | VLANClientState *nc; | |
272 | NICState *nic; | |
273 | ||
274 | assert(info->type == NET_CLIENT_TYPE_NIC); | |
275 | assert(info->size >= sizeof(NICState)); | |
276 | ||
277 | nc = qemu_new_net_client(info, conf->vlan, conf->peer, model, name); | |
278 | ||
279 | nic = DO_UPCAST(NICState, nc, nc); | |
280 | nic->conf = conf; | |
281 | nic->opaque = opaque; | |
282 | ||
283 | return nic; | |
284 | } | |
285 | ||
63a01ef8 AL |
286 | void qemu_del_vlan_client(VLANClientState *vc) |
287 | { | |
d80b9fc6 MM |
288 | if (vc->vlan) { |
289 | QTAILQ_REMOVE(&vc->vlan->clients, vc, next); | |
577c4af9 | 290 | } else { |
9a6ecb30 MM |
291 | if (vc->send_queue) { |
292 | qemu_del_net_queue(vc->send_queue); | |
293 | } | |
577c4af9 | 294 | QTAILQ_REMOVE(&non_vlan_clients, vc, next); |
283c7c63 MM |
295 | if (vc->peer) { |
296 | vc->peer->peer = NULL; | |
297 | } | |
d80b9fc6 | 298 | } |
63a01ef8 | 299 | |
5610c3aa MM |
300 | if (vc->cleanup) { |
301 | vc->cleanup(vc); | |
302 | } | |
303 | ||
304 | qemu_free(vc->name); | |
305 | qemu_free(vc->model); | |
306 | qemu_free(vc); | |
63a01ef8 AL |
307 | } |
308 | ||
68ac40d2 | 309 | VLANClientState * |
1a609520 JK |
310 | qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id, |
311 | const char *client_str) | |
312 | { | |
313 | VLANState *vlan; | |
314 | VLANClientState *vc; | |
315 | ||
316 | vlan = qemu_find_vlan(vlan_id, 0); | |
317 | if (!vlan) { | |
318 | monitor_printf(mon, "unknown VLAN %d\n", vlan_id); | |
319 | return NULL; | |
320 | } | |
321 | ||
5610c3aa | 322 | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
1a609520 JK |
323 | if (!strcmp(vc->name, client_str)) { |
324 | break; | |
325 | } | |
326 | } | |
327 | if (!vc) { | |
328 | monitor_printf(mon, "can't find device %s on VLAN %d\n", | |
329 | client_str, vlan_id); | |
330 | } | |
331 | ||
332 | return vc; | |
333 | } | |
334 | ||
2e1e0641 | 335 | int qemu_can_send_packet(VLANClientState *sender) |
63a01ef8 | 336 | { |
2e1e0641 | 337 | VLANState *vlan = sender->vlan; |
63a01ef8 AL |
338 | VLANClientState *vc; |
339 | ||
9a6ecb30 | 340 | if (sender->peer) { |
893379ef MM |
341 | if (sender->peer->receive_disabled) { |
342 | return 0; | |
343 | } else if (sender->peer->can_receive && | |
344 | !sender->peer->can_receive(sender->peer)) { | |
9a6ecb30 | 345 | return 0; |
893379ef MM |
346 | } else { |
347 | return 1; | |
9a6ecb30 MM |
348 | } |
349 | } | |
350 | ||
d80b9fc6 MM |
351 | if (!sender->vlan) { |
352 | return 1; | |
353 | } | |
354 | ||
5610c3aa | 355 | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
2e1e0641 MM |
356 | if (vc == sender) { |
357 | continue; | |
358 | } | |
359 | ||
cda9046b | 360 | /* no can_receive() handler, they can always receive */ |
e3f5ec2b | 361 | if (!vc->can_receive || vc->can_receive(vc)) { |
2e1e0641 | 362 | return 1; |
63a01ef8 AL |
363 | } |
364 | } | |
365 | return 0; | |
366 | } | |
367 | ||
9a6ecb30 | 368 | static ssize_t qemu_deliver_packet(VLANClientState *sender, |
c0b8e49c | 369 | unsigned flags, |
9a6ecb30 MM |
370 | const uint8_t *data, |
371 | size_t size, | |
372 | void *opaque) | |
373 | { | |
374 | VLANClientState *vc = opaque; | |
893379ef | 375 | ssize_t ret; |
9a6ecb30 MM |
376 | |
377 | if (vc->link_down) { | |
378 | return size; | |
379 | } | |
380 | ||
893379ef MM |
381 | if (vc->receive_disabled) { |
382 | return 0; | |
383 | } | |
384 | ||
385 | if (flags & QEMU_NET_PACKET_FLAG_RAW && vc->receive_raw) { | |
386 | ret = vc->receive_raw(vc, data, size); | |
387 | } else { | |
388 | ret = vc->receive(vc, data, size); | |
389 | } | |
390 | ||
391 | if (ret == 0) { | |
392 | vc->receive_disabled = 1; | |
393 | }; | |
394 | ||
395 | return ret; | |
9a6ecb30 MM |
396 | } |
397 | ||
f7105843 | 398 | static ssize_t qemu_vlan_deliver_packet(VLANClientState *sender, |
c0b8e49c | 399 | unsigned flags, |
f7105843 MM |
400 | const uint8_t *buf, |
401 | size_t size, | |
402 | void *opaque) | |
63a01ef8 | 403 | { |
f7105843 | 404 | VLANState *vlan = opaque; |
63a01ef8 | 405 | VLANClientState *vc; |
893379ef | 406 | ssize_t ret = -1; |
63a01ef8 | 407 | |
f7105843 | 408 | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
3e021d40 MM |
409 | ssize_t len; |
410 | ||
411 | if (vc == sender) { | |
412 | continue; | |
764a4d1d | 413 | } |
3e021d40 MM |
414 | |
415 | if (vc->link_down) { | |
416 | ret = size; | |
417 | continue; | |
418 | } | |
419 | ||
893379ef MM |
420 | if (vc->receive_disabled) { |
421 | ret = 0; | |
422 | continue; | |
423 | } | |
424 | ||
425 | if (flags & QEMU_NET_PACKET_FLAG_RAW && vc->receive_raw) { | |
ca77d175 | 426 | len = vc->receive_raw(vc, buf, size); |
893379ef | 427 | } else { |
ca77d175 | 428 | len = vc->receive(vc, buf, size); |
893379ef MM |
429 | } |
430 | ||
431 | if (len == 0) { | |
432 | vc->receive_disabled = 1; | |
433 | } | |
3e021d40 MM |
434 | |
435 | ret = (ret >= 0) ? ret : len; | |
893379ef | 436 | |
764a4d1d | 437 | } |
3e021d40 MM |
438 | |
439 | return ret; | |
764a4d1d AL |
440 | } |
441 | ||
8cad5516 MM |
442 | void qemu_purge_queued_packets(VLANClientState *vc) |
443 | { | |
9a6ecb30 MM |
444 | NetQueue *queue; |
445 | ||
446 | if (!vc->peer && !vc->vlan) { | |
d80b9fc6 | 447 | return; |
9a6ecb30 | 448 | } |
d80b9fc6 | 449 | |
9a6ecb30 MM |
450 | if (vc->peer) { |
451 | queue = vc->peer->send_queue; | |
452 | } else { | |
453 | queue = vc->vlan->send_queue; | |
454 | } | |
455 | ||
456 | qemu_net_queue_purge(queue, vc); | |
8cad5516 MM |
457 | } |
458 | ||
f3b6c7fc | 459 | void qemu_flush_queued_packets(VLANClientState *vc) |
e94667b9 | 460 | { |
9a6ecb30 MM |
461 | NetQueue *queue; |
462 | ||
893379ef MM |
463 | vc->receive_disabled = 0; |
464 | ||
9a6ecb30 MM |
465 | if (vc->vlan) { |
466 | queue = vc->vlan->send_queue; | |
467 | } else { | |
468 | queue = vc->send_queue; | |
469 | } | |
d80b9fc6 | 470 | |
9a6ecb30 | 471 | qemu_net_queue_flush(queue); |
e94667b9 MM |
472 | } |
473 | ||
ca77d175 MM |
474 | static ssize_t qemu_send_packet_async_with_flags(VLANClientState *sender, |
475 | unsigned flags, | |
476 | const uint8_t *buf, int size, | |
477 | NetPacketSent *sent_cb) | |
764a4d1d | 478 | { |
9a6ecb30 | 479 | NetQueue *queue; |
436e5e53 | 480 | |
63a01ef8 | 481 | #ifdef DEBUG_NET |
d80b9fc6 | 482 | printf("qemu_send_packet_async:\n"); |
63a01ef8 AL |
483 | hex_dump(stdout, buf, size); |
484 | #endif | |
f3b6c7fc | 485 | |
9a6ecb30 MM |
486 | if (sender->link_down || (!sender->peer && !sender->vlan)) { |
487 | return size; | |
488 | } | |
489 | ||
490 | if (sender->peer) { | |
491 | queue = sender->peer->send_queue; | |
492 | } else { | |
493 | queue = sender->vlan->send_queue; | |
494 | } | |
495 | ||
ca77d175 MM |
496 | return qemu_net_queue_send(queue, sender, flags, buf, size, sent_cb); |
497 | } | |
498 | ||
499 | ssize_t qemu_send_packet_async(VLANClientState *sender, | |
500 | const uint8_t *buf, int size, | |
501 | NetPacketSent *sent_cb) | |
502 | { | |
503 | return qemu_send_packet_async_with_flags(sender, QEMU_NET_PACKET_FLAG_NONE, | |
504 | buf, size, sent_cb); | |
f3b6c7fc MM |
505 | } |
506 | ||
507 | void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size) | |
508 | { | |
509 | qemu_send_packet_async(vc, buf, size, NULL); | |
63a01ef8 AL |
510 | } |
511 | ||
ca77d175 MM |
512 | ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size) |
513 | { | |
514 | return qemu_send_packet_async_with_flags(vc, QEMU_NET_PACKET_FLAG_RAW, | |
515 | buf, size, NULL); | |
516 | } | |
517 | ||
fbe78f4f AL |
518 | static ssize_t vc_sendv_compat(VLANClientState *vc, const struct iovec *iov, |
519 | int iovcnt) | |
520 | { | |
521 | uint8_t buffer[4096]; | |
522 | size_t offset = 0; | |
523 | int i; | |
524 | ||
525 | for (i = 0; i < iovcnt; i++) { | |
526 | size_t len; | |
527 | ||
528 | len = MIN(sizeof(buffer) - offset, iov[i].iov_len); | |
529 | memcpy(buffer + offset, iov[i].iov_base, len); | |
530 | offset += len; | |
531 | } | |
532 | ||
f3b6c7fc | 533 | return vc->receive(vc, buffer, offset); |
fbe78f4f AL |
534 | } |
535 | ||
e0e7877a AL |
536 | static ssize_t calc_iov_length(const struct iovec *iov, int iovcnt) |
537 | { | |
538 | size_t offset = 0; | |
539 | int i; | |
540 | ||
541 | for (i = 0; i < iovcnt; i++) | |
542 | offset += iov[i].iov_len; | |
543 | return offset; | |
544 | } | |
545 | ||
9a6ecb30 | 546 | static ssize_t qemu_deliver_packet_iov(VLANClientState *sender, |
c0b8e49c | 547 | unsigned flags, |
9a6ecb30 MM |
548 | const struct iovec *iov, |
549 | int iovcnt, | |
550 | void *opaque) | |
551 | { | |
552 | VLANClientState *vc = opaque; | |
553 | ||
554 | if (vc->link_down) { | |
555 | return calc_iov_length(iov, iovcnt); | |
556 | } | |
557 | ||
558 | if (vc->receive_iov) { | |
559 | return vc->receive_iov(vc, iov, iovcnt); | |
560 | } else { | |
561 | return vc_sendv_compat(vc, iov, iovcnt); | |
562 | } | |
563 | } | |
564 | ||
f7105843 | 565 | static ssize_t qemu_vlan_deliver_packet_iov(VLANClientState *sender, |
c0b8e49c | 566 | unsigned flags, |
f7105843 MM |
567 | const struct iovec *iov, |
568 | int iovcnt, | |
569 | void *opaque) | |
fbe78f4f | 570 | { |
f7105843 | 571 | VLANState *vlan = opaque; |
fbe78f4f | 572 | VLANClientState *vc; |
f7105843 | 573 | ssize_t ret = -1; |
e94667b9 | 574 | |
f7105843 | 575 | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
e94667b9 MM |
576 | ssize_t len; |
577 | ||
578 | if (vc == sender) { | |
579 | continue; | |
580 | } | |
581 | ||
582 | if (vc->link_down) { | |
583 | ret = calc_iov_length(iov, iovcnt); | |
584 | continue; | |
585 | } | |
586 | ||
ca77d175 MM |
587 | assert(!(flags & QEMU_NET_PACKET_FLAG_RAW)); |
588 | ||
e94667b9 MM |
589 | if (vc->receive_iov) { |
590 | len = vc->receive_iov(vc, iov, iovcnt); | |
591 | } else { | |
592 | len = vc_sendv_compat(vc, iov, iovcnt); | |
593 | } | |
594 | ||
595 | ret = (ret >= 0) ? ret : len; | |
596 | } | |
597 | ||
e94667b9 MM |
598 | return ret; |
599 | } | |
600 | ||
f3b6c7fc MM |
601 | ssize_t qemu_sendv_packet_async(VLANClientState *sender, |
602 | const struct iovec *iov, int iovcnt, | |
603 | NetPacketSent *sent_cb) | |
e94667b9 | 604 | { |
9a6ecb30 MM |
605 | NetQueue *queue; |
606 | ||
607 | if (sender->link_down || (!sender->peer && !sender->vlan)) { | |
e94667b9 MM |
608 | return calc_iov_length(iov, iovcnt); |
609 | } | |
610 | ||
9a6ecb30 MM |
611 | if (sender->peer) { |
612 | queue = sender->peer->send_queue; | |
613 | } else { | |
614 | queue = sender->vlan->send_queue; | |
615 | } | |
616 | ||
c0b8e49c MM |
617 | return qemu_net_queue_send_iov(queue, sender, |
618 | QEMU_NET_PACKET_FLAG_NONE, | |
619 | iov, iovcnt, sent_cb); | |
fbe78f4f AL |
620 | } |
621 | ||
f3b6c7fc MM |
622 | ssize_t |
623 | qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov, int iovcnt) | |
624 | { | |
625 | return qemu_sendv_packet_async(vc, iov, iovcnt, NULL); | |
626 | } | |
627 | ||
63a01ef8 | 628 | /* find or alloc a new VLAN */ |
1a609520 | 629 | VLANState *qemu_find_vlan(int id, int allocate) |
63a01ef8 | 630 | { |
5610c3aa MM |
631 | VLANState *vlan; |
632 | ||
633 | QTAILQ_FOREACH(vlan, &vlans, next) { | |
634 | if (vlan->id == id) { | |
63a01ef8 | 635 | return vlan; |
5610c3aa | 636 | } |
63a01ef8 | 637 | } |
5610c3aa | 638 | |
1a609520 JK |
639 | if (!allocate) { |
640 | return NULL; | |
641 | } | |
5610c3aa | 642 | |
63a01ef8 | 643 | vlan = qemu_mallocz(sizeof(VLANState)); |
63a01ef8 | 644 | vlan->id = id; |
5610c3aa | 645 | QTAILQ_INIT(&vlan->clients); |
f7105843 MM |
646 | |
647 | vlan->send_queue = qemu_new_net_queue(qemu_vlan_deliver_packet, | |
648 | qemu_vlan_deliver_packet_iov, | |
649 | vlan); | |
5610c3aa MM |
650 | |
651 | QTAILQ_INSERT_TAIL(&vlans, vlan, next); | |
652 | ||
63a01ef8 AL |
653 | return vlan; |
654 | } | |
655 | ||
2ef924b4 | 656 | VLANClientState *qemu_find_netdev(const char *id) |
5869c4d5 MM |
657 | { |
658 | VLANClientState *vc; | |
659 | ||
660 | QTAILQ_FOREACH(vc, &non_vlan_clients, next) { | |
661 | if (!strcmp(vc->name, id)) { | |
662 | return vc; | |
663 | } | |
664 | } | |
665 | ||
666 | return NULL; | |
667 | } | |
668 | ||
7697079b AL |
669 | static int nic_get_free_idx(void) |
670 | { | |
671 | int index; | |
672 | ||
673 | for (index = 0; index < MAX_NICS; index++) | |
674 | if (!nd_table[index].used) | |
675 | return index; | |
676 | return -1; | |
677 | } | |
678 | ||
07caea31 MA |
679 | int qemu_show_nic_models(const char *arg, const char *const *models) |
680 | { | |
681 | int i; | |
682 | ||
683 | if (!arg || strcmp(arg, "?")) | |
684 | return 0; | |
685 | ||
686 | fprintf(stderr, "qemu: Supported NIC models: "); | |
687 | for (i = 0 ; models[i]; i++) | |
688 | fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n'); | |
689 | return 1; | |
690 | } | |
691 | ||
d07f22c5 AL |
692 | void qemu_check_nic_model(NICInfo *nd, const char *model) |
693 | { | |
694 | const char *models[2]; | |
695 | ||
696 | models[0] = model; | |
697 | models[1] = NULL; | |
698 | ||
07caea31 MA |
699 | if (qemu_show_nic_models(nd->model, models)) |
700 | exit(0); | |
701 | if (qemu_find_nic_model(nd, models, model) < 0) | |
702 | exit(1); | |
d07f22c5 AL |
703 | } |
704 | ||
07caea31 MA |
705 | int qemu_find_nic_model(NICInfo *nd, const char * const *models, |
706 | const char *default_model) | |
d07f22c5 | 707 | { |
07caea31 | 708 | int i; |
d07f22c5 AL |
709 | |
710 | if (!nd->model) | |
32a8e14a | 711 | nd->model = qemu_strdup(default_model); |
d07f22c5 | 712 | |
07caea31 MA |
713 | for (i = 0 ; models[i]; i++) { |
714 | if (strcmp(nd->model, models[i]) == 0) | |
715 | return i; | |
d07f22c5 AL |
716 | } |
717 | ||
07caea31 MA |
718 | qemu_error("qemu: Unsupported NIC model: %s\n", nd->model); |
719 | return -1; | |
d07f22c5 AL |
720 | } |
721 | ||
5281d757 | 722 | int net_handle_fd_param(Monitor *mon, const char *param) |
c1d6eed7 MM |
723 | { |
724 | if (!qemu_isdigit(param[0])) { | |
725 | int fd; | |
726 | ||
727 | fd = monitor_get_fd(mon, param); | |
728 | if (fd == -1) { | |
fb12577c | 729 | qemu_error("No file descriptor named %s found", param); |
c1d6eed7 MM |
730 | return -1; |
731 | } | |
732 | ||
733 | return fd; | |
734 | } else { | |
735 | return strtol(param, NULL, 0); | |
736 | } | |
737 | } | |
738 | ||
f6b134ac MM |
739 | static int net_init_nic(QemuOpts *opts, |
740 | Monitor *mon, | |
741 | const char *name, | |
742 | VLANState *vlan) | |
f83c6e10 MM |
743 | { |
744 | int idx; | |
745 | NICInfo *nd; | |
5869c4d5 | 746 | const char *netdev; |
f83c6e10 MM |
747 | |
748 | idx = nic_get_free_idx(); | |
749 | if (idx == -1 || nb_nics >= MAX_NICS) { | |
750 | qemu_error("Too Many NICs\n"); | |
751 | return -1; | |
752 | } | |
753 | ||
754 | nd = &nd_table[idx]; | |
755 | ||
756 | memset(nd, 0, sizeof(*nd)); | |
757 | ||
5869c4d5 MM |
758 | if ((netdev = qemu_opt_get(opts, "netdev"))) { |
759 | nd->netdev = qemu_find_netdev(netdev); | |
760 | if (!nd->netdev) { | |
761 | qemu_error("netdev '%s' not found\n", netdev); | |
762 | return -1; | |
763 | } | |
764 | } else { | |
765 | assert(vlan); | |
766 | nd->vlan = vlan; | |
767 | } | |
6d952ebe MM |
768 | if (name) { |
769 | nd->name = qemu_strdup(name); | |
770 | } | |
f83c6e10 MM |
771 | if (qemu_opt_get(opts, "model")) { |
772 | nd->model = qemu_strdup(qemu_opt_get(opts, "model")); | |
773 | } | |
774 | if (qemu_opt_get(opts, "addr")) { | |
775 | nd->devaddr = qemu_strdup(qemu_opt_get(opts, "addr")); | |
776 | } | |
777 | ||
778 | nd->macaddr[0] = 0x52; | |
779 | nd->macaddr[1] = 0x54; | |
780 | nd->macaddr[2] = 0x00; | |
781 | nd->macaddr[3] = 0x12; | |
782 | nd->macaddr[4] = 0x34; | |
783 | nd->macaddr[5] = 0x56 + idx; | |
784 | ||
785 | if (qemu_opt_get(opts, "macaddr") && | |
f1d078c3 | 786 | net_parse_macaddr(nd->macaddr, qemu_opt_get(opts, "macaddr")) < 0) { |
f83c6e10 MM |
787 | qemu_error("invalid syntax for ethernet address\n"); |
788 | return -1; | |
789 | } | |
790 | ||
791 | nd->nvectors = qemu_opt_get_number(opts, "vectors", NIC_NVECTORS_UNSPECIFIED); | |
792 | if (nd->nvectors != NIC_NVECTORS_UNSPECIFIED && | |
793 | (nd->nvectors < 0 || nd->nvectors > 0x7ffffff)) { | |
794 | qemu_error("invalid # of vectors: %d\n", nd->nvectors); | |
795 | return -1; | |
796 | } | |
797 | ||
798 | nd->used = 1; | |
5869c4d5 MM |
799 | if (vlan) { |
800 | nd->vlan->nb_guest_devs++; | |
801 | } | |
f83c6e10 MM |
802 | nb_nics++; |
803 | ||
804 | return idx; | |
805 | } | |
806 | ||
807 | #define NET_COMMON_PARAMS_DESC \ | |
808 | { \ | |
809 | .name = "type", \ | |
810 | .type = QEMU_OPT_STRING, \ | |
811 | .help = "net client type (nic, tap etc.)", \ | |
812 | }, { \ | |
813 | .name = "vlan", \ | |
814 | .type = QEMU_OPT_NUMBER, \ | |
815 | .help = "vlan number", \ | |
816 | }, { \ | |
817 | .name = "name", \ | |
818 | .type = QEMU_OPT_STRING, \ | |
819 | .help = "identifier for monitor commands", \ | |
820 | } | |
821 | ||
6d952ebe MM |
822 | typedef int (*net_client_init_func)(QemuOpts *opts, |
823 | Monitor *mon, | |
f6b134ac MM |
824 | const char *name, |
825 | VLANState *vlan); | |
f83c6e10 MM |
826 | |
827 | /* magic number, but compiler will warn if too small */ | |
828 | #define NET_MAX_DESC 20 | |
829 | ||
830 | static struct { | |
831 | const char *type; | |
832 | net_client_init_func init; | |
833 | QemuOptDesc desc[NET_MAX_DESC]; | |
834 | } net_client_types[] = { | |
835 | { | |
836 | .type = "none", | |
837 | .desc = { | |
838 | NET_COMMON_PARAMS_DESC, | |
839 | { /* end of list */ } | |
840 | }, | |
841 | }, { | |
842 | .type = "nic", | |
843 | .init = net_init_nic, | |
844 | .desc = { | |
845 | NET_COMMON_PARAMS_DESC, | |
5869c4d5 MM |
846 | { |
847 | .name = "netdev", | |
848 | .type = QEMU_OPT_STRING, | |
849 | .help = "id of -netdev to connect to", | |
850 | }, | |
f83c6e10 MM |
851 | { |
852 | .name = "macaddr", | |
853 | .type = QEMU_OPT_STRING, | |
854 | .help = "MAC address", | |
855 | }, { | |
856 | .name = "model", | |
857 | .type = QEMU_OPT_STRING, | |
858 | .help = "device model (e1000, rtl8139, virtio etc.)", | |
859 | }, { | |
860 | .name = "addr", | |
861 | .type = QEMU_OPT_STRING, | |
862 | .help = "PCI device address", | |
863 | }, { | |
864 | .name = "vectors", | |
865 | .type = QEMU_OPT_NUMBER, | |
866 | .help = "number of MSI-x vectors, 0 to disable MSI-X", | |
867 | }, | |
868 | { /* end of list */ } | |
869 | }, | |
ec302ffd MM |
870 | #ifdef CONFIG_SLIRP |
871 | }, { | |
872 | .type = "user", | |
873 | .init = net_init_slirp, | |
874 | .desc = { | |
875 | NET_COMMON_PARAMS_DESC, | |
876 | { | |
877 | .name = "hostname", | |
878 | .type = QEMU_OPT_STRING, | |
879 | .help = "client hostname reported by the builtin DHCP server", | |
880 | }, { | |
881 | .name = "restrict", | |
882 | .type = QEMU_OPT_STRING, | |
883 | .help = "isolate the guest from the host (y|yes|n|no)", | |
884 | }, { | |
885 | .name = "ip", | |
886 | .type = QEMU_OPT_STRING, | |
887 | .help = "legacy parameter, use net= instead", | |
888 | }, { | |
889 | .name = "net", | |
890 | .type = QEMU_OPT_STRING, | |
891 | .help = "IP address and optional netmask", | |
892 | }, { | |
893 | .name = "host", | |
894 | .type = QEMU_OPT_STRING, | |
895 | .help = "guest-visible address of the host", | |
896 | }, { | |
897 | .name = "tftp", | |
898 | .type = QEMU_OPT_STRING, | |
899 | .help = "root directory of the built-in TFTP server", | |
900 | }, { | |
901 | .name = "bootfile", | |
902 | .type = QEMU_OPT_STRING, | |
903 | .help = "BOOTP filename, for use with tftp=", | |
904 | }, { | |
905 | .name = "dhcpstart", | |
906 | .type = QEMU_OPT_STRING, | |
907 | .help = "the first of the 16 IPs the built-in DHCP server can assign", | |
908 | }, { | |
909 | .name = "dns", | |
910 | .type = QEMU_OPT_STRING, | |
911 | .help = "guest-visible address of the virtual nameserver", | |
912 | }, { | |
913 | .name = "smb", | |
914 | .type = QEMU_OPT_STRING, | |
915 | .help = "root directory of the built-in SMB server", | |
916 | }, { | |
917 | .name = "smbserver", | |
918 | .type = QEMU_OPT_STRING, | |
919 | .help = "IP address of the built-in SMB server", | |
920 | }, { | |
921 | .name = "hostfwd", | |
922 | .type = QEMU_OPT_STRING, | |
923 | .help = "guest port number to forward incoming TCP or UDP connections", | |
924 | }, { | |
925 | .name = "guestfwd", | |
926 | .type = QEMU_OPT_STRING, | |
927 | .help = "IP address and port to forward guest TCP connections", | |
928 | }, | |
929 | { /* end of list */ } | |
930 | }, | |
8a1c5235 | 931 | #endif |
8a1c5235 MM |
932 | }, { |
933 | .type = "tap", | |
a8ed73f7 | 934 | .init = net_init_tap, |
8a1c5235 MM |
935 | .desc = { |
936 | NET_COMMON_PARAMS_DESC, | |
937 | { | |
938 | .name = "ifname", | |
939 | .type = QEMU_OPT_STRING, | |
940 | .help = "interface name", | |
941 | }, | |
a8ed73f7 | 942 | #ifndef _WIN32 |
8a1c5235 MM |
943 | { |
944 | .name = "fd", | |
945 | .type = QEMU_OPT_STRING, | |
946 | .help = "file descriptor of an already opened tap", | |
8a1c5235 MM |
947 | }, { |
948 | .name = "script", | |
949 | .type = QEMU_OPT_STRING, | |
950 | .help = "script to initialize the interface", | |
951 | }, { | |
952 | .name = "downscript", | |
953 | .type = QEMU_OPT_STRING, | |
954 | .help = "script to shut down the interface", | |
8a1c5235 MM |
955 | }, { |
956 | .name = "sndbuf", | |
957 | .type = QEMU_OPT_SIZE, | |
958 | .help = "send buffer limit" | |
baf74c95 MM |
959 | }, { |
960 | .name = "vnet_hdr", | |
961 | .type = QEMU_OPT_BOOL, | |
962 | .help = "enable the IFF_VNET_HDR flag on the tap interface" | |
8a1c5235 | 963 | }, |
a8ed73f7 | 964 | #endif /* _WIN32 */ |
8a1c5235 MM |
965 | { /* end of list */ } |
966 | }, | |
88ce16ca MM |
967 | }, { |
968 | .type = "socket", | |
969 | .init = net_init_socket, | |
970 | .desc = { | |
971 | NET_COMMON_PARAMS_DESC, | |
972 | { | |
973 | .name = "fd", | |
974 | .type = QEMU_OPT_STRING, | |
975 | .help = "file descriptor of an already opened socket", | |
976 | }, { | |
977 | .name = "listen", | |
978 | .type = QEMU_OPT_STRING, | |
979 | .help = "port number, and optional hostname, to listen on", | |
980 | }, { | |
981 | .name = "connect", | |
982 | .type = QEMU_OPT_STRING, | |
983 | .help = "port number, and optional hostname, to connect to", | |
984 | }, { | |
985 | .name = "mcast", | |
986 | .type = QEMU_OPT_STRING, | |
987 | .help = "UDP multicast address and port number", | |
988 | }, | |
989 | { /* end of list */ } | |
990 | }, | |
dd51058d MM |
991 | #ifdef CONFIG_VDE |
992 | }, { | |
993 | .type = "vde", | |
994 | .init = net_init_vde, | |
995 | .desc = { | |
996 | NET_COMMON_PARAMS_DESC, | |
997 | { | |
998 | .name = "sock", | |
999 | .type = QEMU_OPT_STRING, | |
1000 | .help = "socket path", | |
1001 | }, { | |
1002 | .name = "port", | |
1003 | .type = QEMU_OPT_NUMBER, | |
1004 | .help = "port number", | |
1005 | }, { | |
1006 | .name = "group", | |
1007 | .type = QEMU_OPT_STRING, | |
1008 | .help = "group owner of socket", | |
1009 | }, { | |
1010 | .name = "mode", | |
1011 | .type = QEMU_OPT_NUMBER, | |
1012 | .help = "permissions for socket", | |
1013 | }, | |
1014 | { /* end of list */ } | |
1015 | }, | |
1016 | #endif | |
ed2955c2 MM |
1017 | }, { |
1018 | .type = "dump", | |
1019 | .init = net_init_dump, | |
1020 | .desc = { | |
1021 | NET_COMMON_PARAMS_DESC, | |
1022 | { | |
1023 | .name = "len", | |
1024 | .type = QEMU_OPT_SIZE, | |
1025 | .help = "per-packet size limit (64k default)", | |
1026 | }, { | |
1027 | .name = "file", | |
1028 | .type = QEMU_OPT_STRING, | |
1029 | .help = "dump file path (default is qemu-vlan0.pcap)", | |
1030 | }, | |
1031 | { /* end of list */ } | |
1032 | }, | |
f83c6e10 MM |
1033 | }, |
1034 | { /* end of list */ } | |
1035 | }; | |
1036 | ||
f6b134ac | 1037 | int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev) |
f83c6e10 | 1038 | { |
6d952ebe | 1039 | const char *name; |
f83c6e10 MM |
1040 | const char *type; |
1041 | int i; | |
1042 | ||
1043 | type = qemu_opt_get(opts, "type"); | |
1044 | if (!type) { | |
1045 | qemu_error("No type specified for -net\n"); | |
1046 | return -1; | |
1047 | } | |
1048 | ||
f6b134ac MM |
1049 | if (is_netdev) { |
1050 | if (strcmp(type, "tap") != 0 && | |
1051 | #ifdef CONFIG_SLIRP | |
1052 | strcmp(type, "user") != 0 && | |
1053 | #endif | |
1054 | #ifdef CONFIG_VDE | |
1055 | strcmp(type, "vde") != 0 && | |
1056 | #endif | |
1057 | strcmp(type, "socket") != 0) { | |
1058 | qemu_error("The '%s' network backend type is not valid with -netdev\n", | |
1059 | type); | |
1060 | return -1; | |
1061 | } | |
1062 | ||
1063 | if (qemu_opt_get(opts, "vlan")) { | |
1064 | qemu_error("The 'vlan' parameter is not valid with -netdev\n"); | |
1065 | return -1; | |
1066 | } | |
1067 | if (qemu_opt_get(opts, "name")) { | |
1068 | qemu_error("The 'name' parameter is not valid with -netdev\n"); | |
1069 | return -1; | |
1070 | } | |
1071 | if (!qemu_opts_id(opts)) { | |
1072 | qemu_error("The id= parameter is required with -netdev\n"); | |
1073 | return -1; | |
1074 | } | |
1075 | } | |
1076 | ||
6d952ebe MM |
1077 | name = qemu_opts_id(opts); |
1078 | if (!name) { | |
1079 | name = qemu_opt_get(opts, "name"); | |
1080 | } | |
1081 | ||
f83c6e10 MM |
1082 | for (i = 0; net_client_types[i].type != NULL; i++) { |
1083 | if (!strcmp(net_client_types[i].type, type)) { | |
f6b134ac MM |
1084 | VLANState *vlan = NULL; |
1085 | ||
f83c6e10 MM |
1086 | if (qemu_opts_validate(opts, &net_client_types[i].desc[0]) == -1) { |
1087 | return -1; | |
1088 | } | |
1089 | ||
5869c4d5 MM |
1090 | /* Do not add to a vlan if it's a -netdev or a nic with a |
1091 | * netdev= parameter. */ | |
1092 | if (!(is_netdev || | |
1093 | (strcmp(type, "nic") == 0 && qemu_opt_get(opts, "netdev")))) { | |
f6b134ac MM |
1094 | vlan = qemu_find_vlan(qemu_opt_get_number(opts, "vlan", 0), 1); |
1095 | } | |
1096 | ||
f83c6e10 | 1097 | if (net_client_types[i].init) { |
f6b134ac | 1098 | return net_client_types[i].init(opts, mon, name, vlan); |
f83c6e10 MM |
1099 | } else { |
1100 | return 0; | |
1101 | } | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | qemu_error("Invalid -net type '%s'\n", type); | |
1106 | return -1; | |
1107 | } | |
1108 | ||
8b13c4a7 AL |
1109 | void net_client_uninit(NICInfo *nd) |
1110 | { | |
d80b9fc6 MM |
1111 | if (nd->vlan) { |
1112 | nd->vlan->nb_guest_devs--; | |
1113 | } | |
8b13c4a7 | 1114 | nb_nics--; |
a9796703 | 1115 | |
9203f520 MM |
1116 | qemu_free(nd->model); |
1117 | qemu_free(nd->name); | |
1118 | qemu_free(nd->devaddr); | |
a9796703 | 1119 | |
d2cffe30 | 1120 | nd->used = 0; |
8b13c4a7 AL |
1121 | } |
1122 | ||
6f338c34 AL |
1123 | static int net_host_check_device(const char *device) |
1124 | { | |
1125 | int i; | |
bb9ea79e | 1126 | const char *valid_param_list[] = { "tap", "socket", "dump" |
6f338c34 AL |
1127 | #ifdef CONFIG_SLIRP |
1128 | ,"user" | |
1129 | #endif | |
1130 | #ifdef CONFIG_VDE | |
1131 | ,"vde" | |
1132 | #endif | |
1133 | }; | |
1134 | for (i = 0; i < sizeof(valid_param_list) / sizeof(char *); i++) { | |
1135 | if (!strncmp(valid_param_list[i], device, | |
1136 | strlen(valid_param_list[i]))) | |
1137 | return 1; | |
1138 | } | |
1139 | ||
1140 | return 0; | |
1141 | } | |
1142 | ||
f18c16de | 1143 | void net_host_device_add(Monitor *mon, const QDict *qdict) |
6f338c34 | 1144 | { |
f18c16de | 1145 | const char *device = qdict_get_str(qdict, "device"); |
7f1c9d20 MM |
1146 | const char *opts_str = qdict_get_try_str(qdict, "opts"); |
1147 | QemuOpts *opts; | |
f18c16de | 1148 | |
6f338c34 | 1149 | if (!net_host_check_device(device)) { |
376253ec | 1150 | monitor_printf(mon, "invalid host network device %s\n", device); |
6f338c34 AL |
1151 | return; |
1152 | } | |
7f1c9d20 MM |
1153 | |
1154 | opts = qemu_opts_parse(&qemu_net_opts, opts_str ? opts_str : "", NULL); | |
1155 | if (!opts) { | |
1156 | monitor_printf(mon, "parsing network options '%s' failed\n", | |
1157 | opts_str ? opts_str : ""); | |
1158 | return; | |
1159 | } | |
1160 | ||
1161 | qemu_opt_set(opts, "type", device); | |
1162 | ||
f6b134ac | 1163 | if (net_client_init(mon, opts, 0) < 0) { |
5c8be678 AL |
1164 | monitor_printf(mon, "adding host network device %s failed\n", device); |
1165 | } | |
6f338c34 AL |
1166 | } |
1167 | ||
f18c16de | 1168 | void net_host_device_remove(Monitor *mon, const QDict *qdict) |
6f338c34 | 1169 | { |
6f338c34 | 1170 | VLANClientState *vc; |
f18c16de LC |
1171 | int vlan_id = qdict_get_int(qdict, "vlan_id"); |
1172 | const char *device = qdict_get_str(qdict, "device"); | |
6f338c34 | 1173 | |
1a609520 | 1174 | vc = qemu_find_vlan_client_by_name(mon, vlan_id, device); |
6f338c34 | 1175 | if (!vc) { |
6f338c34 AL |
1176 | return; |
1177 | } | |
e8f1f9db AL |
1178 | if (!net_host_check_device(vc->model)) { |
1179 | monitor_printf(mon, "invalid host network device %s\n", device); | |
1180 | return; | |
1181 | } | |
6f338c34 AL |
1182 | qemu_del_vlan_client(vc); |
1183 | } | |
1184 | ||
406c8df3 GC |
1185 | void net_set_boot_mask(int net_boot_mask) |
1186 | { | |
1187 | int i; | |
1188 | ||
1189 | /* Only the first four NICs may be bootable */ | |
1190 | net_boot_mask = net_boot_mask & 0xF; | |
1191 | ||
1192 | for (i = 0; i < nb_nics; i++) { | |
1193 | if (net_boot_mask & (1 << i)) { | |
1194 | nd_table[i].bootable = 1; | |
1195 | net_boot_mask &= ~(1 << i); | |
1196 | } | |
1197 | } | |
1198 | ||
1199 | if (net_boot_mask) { | |
1200 | fprintf(stderr, "Cannot boot from non-existent NIC\n"); | |
1201 | exit(1); | |
1202 | } | |
1203 | } | |
1204 | ||
376253ec | 1205 | void do_info_network(Monitor *mon) |
63a01ef8 AL |
1206 | { |
1207 | VLANState *vlan; | |
63a01ef8 | 1208 | |
5610c3aa MM |
1209 | QTAILQ_FOREACH(vlan, &vlans, next) { |
1210 | VLANClientState *vc; | |
1211 | ||
376253ec | 1212 | monitor_printf(mon, "VLAN %d devices:\n", vlan->id); |
5610c3aa MM |
1213 | |
1214 | QTAILQ_FOREACH(vc, &vlan->clients, next) { | |
376253ec | 1215 | monitor_printf(mon, " %s: %s\n", vc->name, vc->info_str); |
5610c3aa | 1216 | } |
63a01ef8 AL |
1217 | } |
1218 | } | |
1219 | ||
f18c16de | 1220 | void do_set_link(Monitor *mon, const QDict *qdict) |
436e5e53 AL |
1221 | { |
1222 | VLANState *vlan; | |
1223 | VLANClientState *vc = NULL; | |
f18c16de LC |
1224 | const char *name = qdict_get_str(qdict, "name"); |
1225 | const char *up_or_down = qdict_get_str(qdict, "up_or_down"); | |
436e5e53 | 1226 | |
5610c3aa MM |
1227 | QTAILQ_FOREACH(vlan, &vlans, next) { |
1228 | QTAILQ_FOREACH(vc, &vlan->clients, next) { | |
1229 | if (strcmp(vc->name, name) == 0) { | |
dd5de373 | 1230 | goto done; |
5610c3aa MM |
1231 | } |
1232 | } | |
1233 | } | |
dd5de373 | 1234 | done: |
436e5e53 AL |
1235 | |
1236 | if (!vc) { | |
7dc3fa09 | 1237 | monitor_printf(mon, "could not find network device '%s'\n", name); |
c3cf0d3f | 1238 | return; |
436e5e53 AL |
1239 | } |
1240 | ||
1241 | if (strcmp(up_or_down, "up") == 0) | |
1242 | vc->link_down = 0; | |
1243 | else if (strcmp(up_or_down, "down") == 0) | |
1244 | vc->link_down = 1; | |
1245 | else | |
376253ec AL |
1246 | monitor_printf(mon, "invalid link status '%s'; only 'up' or 'down' " |
1247 | "valid\n", up_or_down); | |
436e5e53 | 1248 | |
34b25ca7 AL |
1249 | if (vc->link_status_changed) |
1250 | vc->link_status_changed(vc); | |
436e5e53 AL |
1251 | } |
1252 | ||
63a01ef8 AL |
1253 | void net_cleanup(void) |
1254 | { | |
1255 | VLANState *vlan; | |
577c4af9 | 1256 | VLANClientState *vc, *next_vc; |
63a01ef8 | 1257 | |
5610c3aa | 1258 | QTAILQ_FOREACH(vlan, &vlans, next) { |
5610c3aa | 1259 | QTAILQ_FOREACH_SAFE(vc, &vlan->clients, next, next_vc) { |
b946a153 | 1260 | qemu_del_vlan_client(vc); |
63a01ef8 AL |
1261 | } |
1262 | } | |
577c4af9 MM |
1263 | |
1264 | QTAILQ_FOREACH_SAFE(vc, &non_vlan_clients, next, next_vc) { | |
1265 | qemu_del_vlan_client(vc); | |
1266 | } | |
63a01ef8 AL |
1267 | } |
1268 | ||
dc1c9fe8 | 1269 | static void net_check_clients(void) |
63a01ef8 AL |
1270 | { |
1271 | VLANState *vlan; | |
1272 | ||
5610c3aa | 1273 | QTAILQ_FOREACH(vlan, &vlans, next) { |
63a01ef8 AL |
1274 | if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) |
1275 | continue; | |
1276 | if (vlan->nb_guest_devs == 0) | |
1277 | fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id); | |
1278 | if (vlan->nb_host_devs == 0) | |
1279 | fprintf(stderr, | |
1280 | "Warning: vlan %d is not connected to host network\n", | |
1281 | vlan->id); | |
1282 | } | |
1283 | } | |
dc1c9fe8 MM |
1284 | |
1285 | static int net_init_client(QemuOpts *opts, void *dummy) | |
1286 | { | |
c1671a08 MM |
1287 | if (net_client_init(NULL, opts, 0) < 0) |
1288 | return -1; | |
1289 | return 0; | |
f6b134ac MM |
1290 | } |
1291 | ||
1292 | static int net_init_netdev(QemuOpts *opts, void *dummy) | |
1293 | { | |
1294 | return net_client_init(NULL, opts, 1); | |
dc1c9fe8 MM |
1295 | } |
1296 | ||
1297 | int net_init_clients(void) | |
1298 | { | |
1299 | if (QTAILQ_EMPTY(&qemu_net_opts.head)) { | |
1300 | /* if no clients, we use a default config */ | |
1301 | qemu_opts_set(&qemu_net_opts, NULL, "type", "nic"); | |
1302 | #ifdef CONFIG_SLIRP | |
1303 | qemu_opts_set(&qemu_net_opts, NULL, "type", "user"); | |
1304 | #endif | |
1305 | } | |
1306 | ||
5610c3aa | 1307 | QTAILQ_INIT(&vlans); |
577c4af9 | 1308 | QTAILQ_INIT(&non_vlan_clients); |
5610c3aa | 1309 | |
f6b134ac MM |
1310 | if (qemu_opts_foreach(&qemu_netdev_opts, net_init_netdev, NULL, 1) == -1) |
1311 | return -1; | |
1312 | ||
dc1c9fe8 MM |
1313 | if (qemu_opts_foreach(&qemu_net_opts, net_init_client, NULL, 1) == -1) { |
1314 | return -1; | |
1315 | } | |
1316 | ||
1317 | net_check_clients(); | |
1318 | ||
1319 | return 0; | |
1320 | } | |
1321 | ||
7f161aae | 1322 | int net_client_parse(QemuOptsList *opts_list, const char *optarg) |
dc1c9fe8 | 1323 | { |
a3a766e7 | 1324 | #if defined(CONFIG_SLIRP) |
68ac40d2 MM |
1325 | int ret; |
1326 | if (net_slirp_parse_legacy(opts_list, optarg, &ret)) { | |
dc1c9fe8 MM |
1327 | return ret; |
1328 | } | |
a3a766e7 | 1329 | #endif |
68ac40d2 | 1330 | |
7f161aae | 1331 | if (!qemu_opts_parse(opts_list, optarg, "type")) { |
dc1c9fe8 MM |
1332 | return -1; |
1333 | } | |
1334 | ||
1335 | return 0; | |
1336 | } |