]>
Commit | Line | Data |
---|---|---|
1 | #include <net/if.h> | |
2 | #include <errno.h> | |
3 | #include <string.h> | |
4 | #include <stdbool.h> | |
5 | ||
6 | #include <netlink/genl/genl.h> | |
7 | #include <netlink/genl/family.h> | |
8 | #include <netlink/genl/ctrl.h> | |
9 | #include <netlink/msg.h> | |
10 | #include <netlink/attr.h> | |
11 | ||
12 | #include "nl80211.h" | |
13 | #include "iw.h" | |
14 | ||
15 | #define VALID_FLAGS "none: no special flags\n"\ | |
16 | "fcsfail: show frames with FCS errors\n"\ | |
17 | "control: show control frames\n"\ | |
18 | "otherbss: show frames from other BSSes\n"\ | |
19 | "cook: use cooked mode\n"\ | |
20 | "active: use active mode (ACK incoming unicast packets)" | |
21 | ||
22 | SECTION(interface); | |
23 | ||
24 | static char *mntr_flags[NL80211_MNTR_FLAG_MAX + 1] = { | |
25 | "none", | |
26 | "fcsfail", | |
27 | "plcpfail", | |
28 | "control", | |
29 | "otherbss", | |
30 | "cook", | |
31 | "active", | |
32 | }; | |
33 | ||
34 | static int parse_mntr_flags(int *_argc, char ***_argv, | |
35 | struct nl_msg *msg) | |
36 | { | |
37 | struct nl_msg *flags; | |
38 | int err = -ENOBUFS; | |
39 | enum nl80211_mntr_flags flag; | |
40 | int argc = *_argc; | |
41 | char **argv = *_argv; | |
42 | ||
43 | flags = nlmsg_alloc(); | |
44 | if (!flags) | |
45 | return -ENOMEM; | |
46 | ||
47 | while (argc) { | |
48 | int ok = 0; | |
49 | for (flag = __NL80211_MNTR_FLAG_INVALID; | |
50 | flag <= NL80211_MNTR_FLAG_MAX; flag++) { | |
51 | if (strcmp(*argv, mntr_flags[flag]) == 0) { | |
52 | ok = 1; | |
53 | /* | |
54 | * This shouldn't be adding "flag" if that is | |
55 | * zero, but due to a problem in the kernel's | |
56 | * nl80211 code (using NLA_NESTED policy) it | |
57 | * will reject an empty nested attribute but | |
58 | * not one that contains an invalid attribute | |
59 | */ | |
60 | NLA_PUT_FLAG(flags, flag); | |
61 | break; | |
62 | } | |
63 | } | |
64 | if (!ok) { | |
65 | err = -EINVAL; | |
66 | goto out; | |
67 | } | |
68 | argc--; | |
69 | argv++; | |
70 | } | |
71 | ||
72 | nla_put_nested(msg, NL80211_ATTR_MNTR_FLAGS, flags); | |
73 | err = 0; | |
74 | nla_put_failure: | |
75 | out: | |
76 | nlmsg_free(flags); | |
77 | ||
78 | *_argc = argc; | |
79 | *_argv = argv; | |
80 | ||
81 | return err; | |
82 | } | |
83 | ||
84 | /* for help */ | |
85 | #define IFACE_TYPES "Valid interface types are: managed, ibss, monitor, mesh, wds." | |
86 | ||
87 | /* return 0 if ok, internal error otherwise */ | |
88 | static int get_if_type(int *argc, char ***argv, enum nl80211_iftype *type, | |
89 | bool need_type) | |
90 | { | |
91 | char *tpstr; | |
92 | ||
93 | if (*argc < 1 + !!need_type) | |
94 | return 1; | |
95 | ||
96 | if (need_type && strcmp((*argv)[0], "type")) | |
97 | return 1; | |
98 | ||
99 | tpstr = (*argv)[!!need_type]; | |
100 | *argc -= 1 + !!need_type; | |
101 | *argv += 1 + !!need_type; | |
102 | ||
103 | if (strcmp(tpstr, "adhoc") == 0 || | |
104 | strcmp(tpstr, "ibss") == 0) { | |
105 | *type = NL80211_IFTYPE_ADHOC; | |
106 | return 0; | |
107 | } else if (strcmp(tpstr, "monitor") == 0) { | |
108 | *type = NL80211_IFTYPE_MONITOR; | |
109 | return 0; | |
110 | } else if (strcmp(tpstr, "master") == 0 || | |
111 | strcmp(tpstr, "ap") == 0) { | |
112 | *type = NL80211_IFTYPE_UNSPECIFIED; | |
113 | fprintf(stderr, "You need to run a management daemon, e.g. hostapd,\n"); | |
114 | fprintf(stderr, "see http://wireless.kernel.org/en/users/Documentation/hostapd\n"); | |
115 | fprintf(stderr, "for more information on how to do that.\n"); | |
116 | return 2; | |
117 | } else if (strcmp(tpstr, "__ap") == 0) { | |
118 | *type = NL80211_IFTYPE_AP; | |
119 | return 0; | |
120 | } else if (strcmp(tpstr, "__ap_vlan") == 0) { | |
121 | *type = NL80211_IFTYPE_AP_VLAN; | |
122 | return 0; | |
123 | } else if (strcmp(tpstr, "wds") == 0) { | |
124 | *type = NL80211_IFTYPE_WDS; | |
125 | return 0; | |
126 | } else if (strcmp(tpstr, "managed") == 0 || | |
127 | strcmp(tpstr, "mgd") == 0 || | |
128 | strcmp(tpstr, "station") == 0) { | |
129 | *type = NL80211_IFTYPE_STATION; | |
130 | return 0; | |
131 | } else if (strcmp(tpstr, "mp") == 0 || | |
132 | strcmp(tpstr, "mesh") == 0) { | |
133 | *type = NL80211_IFTYPE_MESH_POINT; | |
134 | return 0; | |
135 | } else if (strcmp(tpstr, "__p2pcl") == 0) { | |
136 | *type = NL80211_IFTYPE_P2P_CLIENT; | |
137 | return 0; | |
138 | } else if (strcmp(tpstr, "__p2pdev") == 0) { | |
139 | *type = NL80211_IFTYPE_P2P_DEVICE; | |
140 | return 0; | |
141 | } else if (strcmp(tpstr, "__p2pgo") == 0) { | |
142 | *type = NL80211_IFTYPE_P2P_GO; | |
143 | return 0; | |
144 | } | |
145 | ||
146 | fprintf(stderr, "invalid interface type %s\n", tpstr); | |
147 | return 2; | |
148 | } | |
149 | ||
150 | static int parse_4addr_flag(const char *value, struct nl_msg *msg) | |
151 | { | |
152 | if (strcmp(value, "on") == 0) | |
153 | NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, 1); | |
154 | else if (strcmp(value, "off") == 0) | |
155 | NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, 0); | |
156 | else | |
157 | return 1; | |
158 | return 0; | |
159 | ||
160 | nla_put_failure: | |
161 | return 1; | |
162 | } | |
163 | ||
164 | static int handle_interface_add(struct nl80211_state *state, | |
165 | struct nl_cb *cb, | |
166 | struct nl_msg *msg, | |
167 | int argc, char **argv, | |
168 | enum id_input id) | |
169 | { | |
170 | char *name; | |
171 | char *mesh_id = NULL; | |
172 | enum nl80211_iftype type; | |
173 | int tpset; | |
174 | unsigned char mac_addr[ETH_ALEN]; | |
175 | int found_mac = 0; | |
176 | ||
177 | if (argc < 1) | |
178 | return 1; | |
179 | ||
180 | name = argv[0]; | |
181 | argc--; | |
182 | argv++; | |
183 | ||
184 | tpset = get_if_type(&argc, &argv, &type, true); | |
185 | if (tpset) | |
186 | return tpset; | |
187 | ||
188 | try_another: | |
189 | if (argc) { | |
190 | if (strcmp(argv[0], "mesh_id") == 0) { | |
191 | argc--; | |
192 | argv++; | |
193 | ||
194 | if (!argc) | |
195 | return 1; | |
196 | mesh_id = argv[0]; | |
197 | argc--; | |
198 | argv++; | |
199 | } else if (strcmp(argv[0], "addr") == 0) { | |
200 | argc--; | |
201 | argv++; | |
202 | if (mac_addr_a2n(mac_addr, argv[0])) { | |
203 | fprintf(stderr, "Invalid MAC address\n"); | |
204 | return 2; | |
205 | } | |
206 | argc--; | |
207 | argv++; | |
208 | found_mac = 1; | |
209 | goto try_another; | |
210 | } else if (strcmp(argv[0], "4addr") == 0) { | |
211 | argc--; | |
212 | argv++; | |
213 | if (parse_4addr_flag(argv[0], msg)) { | |
214 | fprintf(stderr, "4addr error\n"); | |
215 | return 2; | |
216 | } | |
217 | argc--; | |
218 | argv++; | |
219 | } else if (strcmp(argv[0], "flags") == 0) { | |
220 | argc--; | |
221 | argv++; | |
222 | if (parse_mntr_flags(&argc, &argv, msg)) { | |
223 | fprintf(stderr, "flags error\n"); | |
224 | return 2; | |
225 | } | |
226 | } else { | |
227 | return 1; | |
228 | } | |
229 | } | |
230 | ||
231 | if (argc) | |
232 | return 1; | |
233 | ||
234 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, name); | |
235 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, type); | |
236 | if (mesh_id) | |
237 | NLA_PUT(msg, NL80211_ATTR_MESH_ID, strlen(mesh_id), mesh_id); | |
238 | if (found_mac) | |
239 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
240 | ||
241 | return 0; | |
242 | nla_put_failure: | |
243 | return -ENOBUFS; | |
244 | } | |
245 | COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>]", | |
246 | NL80211_CMD_NEW_INTERFACE, 0, CIB_PHY, handle_interface_add, | |
247 | "Add a new virtual interface with the given configuration.\n" | |
248 | IFACE_TYPES "\n\n" | |
249 | "The flags are only used for monitor interfaces, valid flags are:\n" | |
250 | VALID_FLAGS "\n\n" | |
251 | "The mesh_id is used only for mesh mode."); | |
252 | COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>]", | |
253 | NL80211_CMD_NEW_INTERFACE, 0, CIB_NETDEV, handle_interface_add, NULL); | |
254 | ||
255 | static int handle_interface_del(struct nl80211_state *state, | |
256 | struct nl_cb *cb, | |
257 | struct nl_msg *msg, | |
258 | int argc, char **argv, | |
259 | enum id_input id) | |
260 | { | |
261 | return 0; | |
262 | } | |
263 | TOPLEVEL(del, NULL, NL80211_CMD_DEL_INTERFACE, 0, CIB_NETDEV, handle_interface_del, | |
264 | "Remove this virtual interface"); | |
265 | HIDDEN(interface, del, NULL, NL80211_CMD_DEL_INTERFACE, 0, CIB_NETDEV, handle_interface_del); | |
266 | ||
267 | static char *channel_type_name(enum nl80211_channel_type channel_type) | |
268 | { | |
269 | switch (channel_type) { | |
270 | case NL80211_CHAN_NO_HT: | |
271 | return "NO HT"; | |
272 | case NL80211_CHAN_HT20: | |
273 | return "HT20"; | |
274 | case NL80211_CHAN_HT40MINUS: | |
275 | return "HT40-"; | |
276 | case NL80211_CHAN_HT40PLUS: | |
277 | return "HT40+"; | |
278 | default: | |
279 | return "unknown"; | |
280 | } | |
281 | } | |
282 | ||
283 | char *channel_width_name(enum nl80211_chan_width width) | |
284 | { | |
285 | switch (width) { | |
286 | case NL80211_CHAN_WIDTH_20_NOHT: | |
287 | return "20 MHz (no HT)"; | |
288 | case NL80211_CHAN_WIDTH_20: | |
289 | return "20 MHz"; | |
290 | case NL80211_CHAN_WIDTH_40: | |
291 | return "40 MHz"; | |
292 | case NL80211_CHAN_WIDTH_80: | |
293 | return "80 MHz"; | |
294 | case NL80211_CHAN_WIDTH_80P80: | |
295 | return "80+80 MHz"; | |
296 | case NL80211_CHAN_WIDTH_160: | |
297 | return "160 MHz"; | |
298 | default: | |
299 | return "unknown"; | |
300 | } | |
301 | } | |
302 | ||
303 | static int print_iface_handler(struct nl_msg *msg, void *arg) | |
304 | { | |
305 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
306 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
307 | unsigned int *wiphy = arg; | |
308 | const char *indent = ""; | |
309 | ||
310 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
311 | genlmsg_attrlen(gnlh, 0), NULL); | |
312 | ||
313 | if (wiphy && tb_msg[NL80211_ATTR_WIPHY]) { | |
314 | unsigned int thiswiphy = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]); | |
315 | indent = "\t"; | |
316 | if (*wiphy != thiswiphy) | |
317 | printf("phy#%d\n", thiswiphy); | |
318 | *wiphy = thiswiphy; | |
319 | } | |
320 | ||
321 | if (tb_msg[NL80211_ATTR_IFNAME]) | |
322 | printf("%sInterface %s\n", indent, nla_get_string(tb_msg[NL80211_ATTR_IFNAME])); | |
323 | else | |
324 | printf("%sUnnamed/non-netdev interface\n", indent); | |
325 | if (tb_msg[NL80211_ATTR_IFINDEX]) | |
326 | printf("%s\tifindex %d\n", indent, nla_get_u32(tb_msg[NL80211_ATTR_IFINDEX])); | |
327 | if (tb_msg[NL80211_ATTR_WDEV]) | |
328 | printf("%s\twdev 0x%llx\n", indent, | |
329 | (unsigned long long)nla_get_u64(tb_msg[NL80211_ATTR_WDEV])); | |
330 | if (tb_msg[NL80211_ATTR_MAC]) { | |
331 | char mac_addr[20]; | |
332 | mac_addr_n2a(mac_addr, nla_data(tb_msg[NL80211_ATTR_MAC])); | |
333 | printf("%s\taddr %s\n", indent, mac_addr); | |
334 | } | |
335 | if (tb_msg[NL80211_ATTR_SSID]) { | |
336 | printf("%s\tssid ", indent); | |
337 | print_ssid_escaped(nla_len(tb_msg[NL80211_ATTR_SSID]), | |
338 | nla_data(tb_msg[NL80211_ATTR_SSID])); | |
339 | printf("\n"); | |
340 | } | |
341 | if (tb_msg[NL80211_ATTR_IFTYPE]) | |
342 | printf("%s\ttype %s\n", indent, iftype_name(nla_get_u32(tb_msg[NL80211_ATTR_IFTYPE]))); | |
343 | if (!wiphy && tb_msg[NL80211_ATTR_WIPHY]) | |
344 | printf("%s\twiphy %d\n", indent, nla_get_u32(tb_msg[NL80211_ATTR_WIPHY])); | |
345 | if (tb_msg[NL80211_ATTR_WIPHY_FREQ]) { | |
346 | uint32_t freq = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FREQ]); | |
347 | ||
348 | printf("%s\tchannel %d (%d MHz)", indent, | |
349 | ieee80211_frequency_to_channel(freq), freq); | |
350 | ||
351 | if (tb_msg[NL80211_ATTR_CHANNEL_WIDTH]) { | |
352 | printf(", width: %s", | |
353 | channel_width_name(nla_get_u32(tb_msg[NL80211_ATTR_CHANNEL_WIDTH]))); | |
354 | if (tb_msg[NL80211_ATTR_CENTER_FREQ1]) | |
355 | printf(", center1: %d MHz", | |
356 | nla_get_u32(tb_msg[NL80211_ATTR_CENTER_FREQ1])); | |
357 | if (tb_msg[NL80211_ATTR_CENTER_FREQ2]) | |
358 | printf(", center2: %d MHz", | |
359 | nla_get_u32(tb_msg[NL80211_ATTR_CENTER_FREQ2])); | |
360 | } else if (tb_msg[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { | |
361 | enum nl80211_channel_type channel_type; | |
362 | ||
363 | channel_type = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
364 | printf(" %s", channel_type_name(channel_type)); | |
365 | } | |
366 | ||
367 | printf("\n"); | |
368 | } | |
369 | ||
370 | return NL_SKIP; | |
371 | } | |
372 | ||
373 | static int handle_interface_info(struct nl80211_state *state, | |
374 | struct nl_cb *cb, | |
375 | struct nl_msg *msg, | |
376 | int argc, char **argv, | |
377 | enum id_input id) | |
378 | { | |
379 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_iface_handler, NULL); | |
380 | return 0; | |
381 | } | |
382 | TOPLEVEL(info, NULL, NL80211_CMD_GET_INTERFACE, 0, CIB_NETDEV, handle_interface_info, | |
383 | "Show information for this interface."); | |
384 | ||
385 | static int handle_interface_set(struct nl80211_state *state, | |
386 | struct nl_cb *cb, | |
387 | struct nl_msg *msg, | |
388 | int argc, char **argv, | |
389 | enum id_input id) | |
390 | { | |
391 | if (!argc) | |
392 | return 1; | |
393 | ||
394 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, NL80211_IFTYPE_MONITOR); | |
395 | ||
396 | switch (parse_mntr_flags(&argc, &argv, msg)) { | |
397 | case 0: | |
398 | return 0; | |
399 | case -ENOMEM: | |
400 | fprintf(stderr, "failed to allocate flags\n"); | |
401 | return 2; | |
402 | case -EINVAL: | |
403 | fprintf(stderr, "unknown flag %s\n", *argv); | |
404 | return 2; | |
405 | default: | |
406 | return 2; | |
407 | } | |
408 | nla_put_failure: | |
409 | return -ENOBUFS; | |
410 | } | |
411 | COMMAND(set, monitor, "<flag>*", | |
412 | NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_set, | |
413 | "Set monitor flags. Valid flags are:\n" | |
414 | VALID_FLAGS); | |
415 | ||
416 | static int handle_interface_meshid(struct nl80211_state *state, | |
417 | struct nl_cb *cb, | |
418 | struct nl_msg *msg, | |
419 | int argc, char **argv, | |
420 | enum id_input id) | |
421 | { | |
422 | char *mesh_id = NULL; | |
423 | ||
424 | if (argc != 1) | |
425 | return 1; | |
426 | ||
427 | mesh_id = argv[0]; | |
428 | ||
429 | NLA_PUT(msg, NL80211_ATTR_MESH_ID, strlen(mesh_id), mesh_id); | |
430 | ||
431 | return 0; | |
432 | nla_put_failure: | |
433 | return -ENOBUFS; | |
434 | } | |
435 | COMMAND(set, meshid, "<meshid>", | |
436 | NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_meshid, NULL); | |
437 | ||
438 | static unsigned int dev_dump_wiphy; | |
439 | ||
440 | static int handle_dev_dump(struct nl80211_state *state, | |
441 | struct nl_cb *cb, | |
442 | struct nl_msg *msg, | |
443 | int argc, char **argv, | |
444 | enum id_input id) | |
445 | { | |
446 | dev_dump_wiphy = -1; | |
447 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_iface_handler, &dev_dump_wiphy); | |
448 | return 0; | |
449 | } | |
450 | TOPLEVEL(dev, NULL, NL80211_CMD_GET_INTERFACE, NLM_F_DUMP, CIB_NONE, handle_dev_dump, | |
451 | "List all network interfaces for wireless hardware."); | |
452 | ||
453 | static int handle_interface_type(struct nl80211_state *state, | |
454 | struct nl_cb *cb, | |
455 | struct nl_msg *msg, | |
456 | int argc, char **argv, | |
457 | enum id_input id) | |
458 | { | |
459 | enum nl80211_iftype type; | |
460 | int tpset; | |
461 | ||
462 | tpset = get_if_type(&argc, &argv, &type, false); | |
463 | if (tpset) | |
464 | return tpset; | |
465 | ||
466 | if (argc) | |
467 | return 1; | |
468 | ||
469 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, type); | |
470 | ||
471 | return 0; | |
472 | nla_put_failure: | |
473 | return -ENOBUFS; | |
474 | } | |
475 | COMMAND(set, type, "<type>", | |
476 | NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_type, | |
477 | "Set interface type/mode.\n" | |
478 | IFACE_TYPES); | |
479 | ||
480 | static int handle_interface_4addr(struct nl80211_state *state, | |
481 | struct nl_cb *cb, | |
482 | struct nl_msg *msg, | |
483 | int argc, char **argv, | |
484 | enum id_input id) | |
485 | { | |
486 | if (argc != 1) | |
487 | return 1; | |
488 | return parse_4addr_flag(argv[0], msg); | |
489 | } | |
490 | COMMAND(set, 4addr, "<on|off>", | |
491 | NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_4addr, | |
492 | "Set interface 4addr (WDS) mode."); | |
493 | ||
494 | static int handle_interface_noack_map(struct nl80211_state *state, | |
495 | struct nl_cb *cb, | |
496 | struct nl_msg *msg, | |
497 | int argc, char **argv, | |
498 | enum id_input id) | |
499 | { | |
500 | uint16_t noack_map; | |
501 | char *end; | |
502 | ||
503 | if (argc != 1) | |
504 | return 1; | |
505 | ||
506 | noack_map = strtoul(argv[0], &end, 16); | |
507 | if (*end) | |
508 | return 1; | |
509 | ||
510 | NLA_PUT_U16(msg, NL80211_ATTR_NOACK_MAP, noack_map); | |
511 | ||
512 | return 0; | |
513 | nla_put_failure: | |
514 | return -ENOBUFS; | |
515 | ||
516 | } | |
517 | COMMAND(set, noack_map, "<map>", | |
518 | NL80211_CMD_SET_NOACK_MAP, 0, CIB_NETDEV, handle_interface_noack_map, | |
519 | "Set the NoAck map for the TIDs. (0x0009 = BE, 0x0006 = BK, 0x0030 = VI, 0x00C0 = VO)"); | |
520 | ||
521 | ||
522 | static int handle_interface_wds_peer(struct nl80211_state *state, | |
523 | struct nl_cb *cb, | |
524 | struct nl_msg *msg, | |
525 | int argc, char **argv, | |
526 | enum id_input id) | |
527 | { | |
528 | unsigned char mac_addr[ETH_ALEN]; | |
529 | ||
530 | if (argc < 1) | |
531 | return 1; | |
532 | ||
533 | if (mac_addr_a2n(mac_addr, argv[0])) { | |
534 | fprintf(stderr, "Invalid MAC address\n"); | |
535 | return 2; | |
536 | } | |
537 | ||
538 | argc--; | |
539 | argv++; | |
540 | ||
541 | if (argc) | |
542 | return 1; | |
543 | ||
544 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
545 | ||
546 | return 0; | |
547 | nla_put_failure: | |
548 | return -ENOBUFS; | |
549 | } | |
550 | COMMAND(set, peer, "<MAC address>", | |
551 | NL80211_CMD_SET_WDS_PEER, 0, CIB_NETDEV, handle_interface_wds_peer, | |
552 | "Set interface WDS peer."); | |
553 | ||
554 | static int set_mcast_rate(struct nl80211_state *state, | |
555 | struct nl_cb *cb, | |
556 | struct nl_msg *msg, | |
557 | int argc, char **argv, | |
558 | enum id_input id) | |
559 | { | |
560 | float rate; | |
561 | char *end; | |
562 | ||
563 | if (argc != 1) { | |
564 | printf("Invalid parameters!\n"); | |
565 | return 2; | |
566 | } | |
567 | ||
568 | rate = strtod(argv[0], &end); | |
569 | if (*end != '\0') | |
570 | return 1; | |
571 | ||
572 | NLA_PUT_U32(msg, NL80211_ATTR_MCAST_RATE, (int)(rate * 10)); | |
573 | ||
574 | return 0; | |
575 | nla_put_failure: | |
576 | return -ENOBUFS; | |
577 | } | |
578 | ||
579 | COMMAND(set, mcast_rate, "<rate in Mbps>", | |
580 | NL80211_CMD_SET_MCAST_RATE, 0, CIB_NETDEV, set_mcast_rate, | |
581 | "Set the multicast bitrate."); |