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Commit | Line | Data |
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379f8397 | 1 | #include <stdbool.h> |
0f55e0b8 | 2 | #include <errno.h> |
0f55e0b8 | 3 | #include <net/if.h> |
d0260390 | 4 | #include <strings.h> |
0f55e0b8 JB |
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 | ||
f408e01b | 12 | #include "nl80211.h" |
0f55e0b8 JB |
13 | #include "iw.h" |
14 | ||
7c37a24d JB |
15 | static int handle_name(struct nl80211_state *state, |
16 | struct nl_cb *cb, | |
0f55e0b8 | 17 | struct nl_msg *msg, |
05514f95 JB |
18 | int argc, char **argv, |
19 | enum id_input id) | |
0f55e0b8 | 20 | { |
0f55e0b8 | 21 | if (argc != 1) |
5e75fd04 | 22 | return 1; |
0f55e0b8 JB |
23 | |
24 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, *argv); | |
25 | ||
70391ccf | 26 | return 0; |
0f55e0b8 | 27 | nla_put_failure: |
70391ccf | 28 | return -ENOBUFS; |
0f55e0b8 | 29 | } |
cea8fa1c JB |
30 | COMMAND(set, name, "<new name>", NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_name, |
31 | "Rename this wireless device."); | |
b822cda9 | 32 | |
379f8397 JB |
33 | static int handle_freqchan(struct nl_msg *msg, bool chan, |
34 | int argc, char **argv) | |
b822cda9 | 35 | { |
e86b7e02 | 36 | char *end; |
b822cda9 JB |
37 | static const struct { |
38 | const char *name; | |
39 | unsigned int val; | |
40 | } htmap[] = { | |
68632dc7 JB |
41 | { .name = "HT20", .val = NL80211_CHAN_HT20, }, |
42 | { .name = "HT40+", .val = NL80211_CHAN_HT40PLUS, }, | |
43 | { .name = "HT40-", .val = NL80211_CHAN_HT40MINUS, }, | |
b822cda9 | 44 | }; |
68632dc7 | 45 | unsigned int htval = NL80211_CHAN_NO_HT; |
b822cda9 JB |
46 | unsigned int freq; |
47 | int i; | |
48 | ||
49 | if (!argc || argc > 2) | |
50 | return 1; | |
51 | ||
52 | if (argc == 2) { | |
7d736016 | 53 | for (i = 0; i < ARRAY_SIZE(htmap); i++) { |
b822cda9 JB |
54 | if (strcasecmp(htmap[i].name, argv[1]) == 0) { |
55 | htval = htmap[i].val; | |
56 | break; | |
57 | } | |
58 | } | |
68632dc7 | 59 | if (htval == NL80211_CHAN_NO_HT) |
b822cda9 JB |
60 | return 1; |
61 | } | |
62 | ||
e86b7e02 JB |
63 | if (!*argv[0]) |
64 | return 1; | |
65 | freq = strtoul(argv[0], &end, 10); | |
66 | if (*end) | |
67 | return 1; | |
68 | ||
379f8397 JB |
69 | if (chan) |
70 | freq = ieee80211_channel_to_frequency(freq); | |
b822cda9 JB |
71 | |
72 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
68632dc7 | 73 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, htval); |
b822cda9 JB |
74 | |
75 | return 0; | |
76 | nla_put_failure: | |
77 | return -ENOBUFS; | |
78 | } | |
379f8397 | 79 | |
7c37a24d JB |
80 | static int handle_freq(struct nl80211_state *state, |
81 | struct nl_cb *cb, struct nl_msg *msg, | |
05514f95 JB |
82 | int argc, char **argv, |
83 | enum id_input id) | |
379f8397 JB |
84 | { |
85 | return handle_freqchan(msg, false, argc, argv); | |
86 | } | |
b822cda9 | 87 | COMMAND(set, freq, "<freq> [HT20|HT40+|HT40-]", |
00c448b2 JB |
88 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_freq, |
89 | "Set frequency/channel the hardware is using, including HT\n" | |
90 | "configuration."); | |
b822cda9 | 91 | COMMAND(set, freq, "<freq> [HT20|HT40+|HT40-]", |
01ae06f9 | 92 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_freq, NULL); |
379f8397 | 93 | |
7c37a24d JB |
94 | static int handle_chan(struct nl80211_state *state, |
95 | struct nl_cb *cb, struct nl_msg *msg, | |
05514f95 JB |
96 | int argc, char **argv, |
97 | enum id_input id) | |
379f8397 JB |
98 | { |
99 | return handle_freqchan(msg, true, argc, argv); | |
100 | } | |
101 | COMMAND(set, channel, "<channel> [HT20|HT40+|HT40-]", | |
01ae06f9 | 102 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_chan, NULL); |
379f8397 | 103 | COMMAND(set, channel, "<channel> [HT20|HT40+|HT40-]", |
01ae06f9 | 104 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_chan, NULL); |
625aa4ae JB |
105 | |
106 | static int handle_fragmentation(struct nl80211_state *state, | |
107 | struct nl_cb *cb, struct nl_msg *msg, | |
05514f95 JB |
108 | int argc, char **argv, |
109 | enum id_input id) | |
625aa4ae JB |
110 | { |
111 | unsigned int frag; | |
112 | ||
113 | if (argc != 1) | |
114 | return 1; | |
115 | ||
116 | if (strcmp("off", argv[0]) == 0) | |
117 | frag = -1; | |
e86b7e02 JB |
118 | else { |
119 | char *end; | |
120 | ||
121 | if (!*argv[0]) | |
122 | return 1; | |
123 | frag = strtoul(argv[0], &end, 10); | |
124 | if (*end != '\0') | |
125 | return 1; | |
126 | } | |
625aa4ae JB |
127 | |
128 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, frag); | |
129 | ||
130 | return 0; | |
131 | nla_put_failure: | |
132 | return -ENOBUFS; | |
133 | } | |
134 | COMMAND(set, frag, "<fragmentation threshold|off>", | |
135 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_fragmentation, | |
136 | "Set fragmentation threshold."); | |
137 | ||
138 | static int handle_rts(struct nl80211_state *state, | |
139 | struct nl_cb *cb, struct nl_msg *msg, | |
05514f95 JB |
140 | int argc, char **argv, |
141 | enum id_input id) | |
625aa4ae JB |
142 | { |
143 | unsigned int rts; | |
144 | ||
145 | if (argc != 1) | |
146 | return 1; | |
147 | ||
148 | if (strcmp("off", argv[0]) == 0) | |
149 | rts = -1; | |
e86b7e02 JB |
150 | else { |
151 | char *end; | |
152 | ||
153 | if (!*argv[0]) | |
154 | return 1; | |
155 | rts = strtoul(argv[0], &end, 10); | |
156 | if (*end != '\0') | |
157 | return 1; | |
158 | } | |
625aa4ae JB |
159 | |
160 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, rts); | |
161 | ||
162 | return 0; | |
163 | nla_put_failure: | |
164 | return -ENOBUFS; | |
165 | } | |
166 | COMMAND(set, rts, "<rts threshold|off>", | |
167 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_rts, | |
168 | "Set rts threshold."); | |
e960e066 JB |
169 | |
170 | static int handle_netns(struct nl80211_state *state, | |
171 | struct nl_cb *cb, | |
172 | struct nl_msg *msg, | |
05514f95 JB |
173 | int argc, char **argv, |
174 | enum id_input id) | |
e960e066 JB |
175 | { |
176 | char *end; | |
177 | ||
178 | if (argc != 1) | |
179 | return 1; | |
180 | ||
e86b7e02 JB |
181 | if (!*argv[0]) |
182 | return 1; | |
183 | ||
e960e066 | 184 | NLA_PUT_U32(msg, NL80211_ATTR_PID, |
c551449a | 185 | strtoul(argv[0], &end, 10)); |
e960e066 JB |
186 | |
187 | if (*end != '\0') | |
188 | return 1; | |
189 | ||
190 | return 0; | |
191 | nla_put_failure: | |
192 | return -ENOBUFS; | |
193 | } | |
194 | COMMAND(set, netns, "<pid>", | |
195 | NL80211_CMD_SET_WIPHY_NETNS, 0, CIB_PHY, handle_netns, | |
196 | "Put this wireless device into a different network namespace"); | |
b2f92dd0 LT |
197 | |
198 | static int handle_coverage(struct nl80211_state *state, | |
199 | struct nl_cb *cb, | |
200 | struct nl_msg *msg, | |
05514f95 JB |
201 | int argc, char **argv, |
202 | enum id_input id) | |
b2f92dd0 | 203 | { |
e86b7e02 | 204 | char *end; |
b2f92dd0 LT |
205 | unsigned int coverage; |
206 | ||
207 | if (argc != 1) | |
208 | return 1; | |
209 | ||
e86b7e02 JB |
210 | if (!*argv[0]) |
211 | return 1; | |
212 | coverage = strtoul(argv[0], &end, 10); | |
b2f92dd0 LT |
213 | if (coverage > 255) |
214 | return 1; | |
215 | ||
e86b7e02 JB |
216 | if (*end) |
217 | return 1; | |
218 | ||
b2f92dd0 LT |
219 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage); |
220 | ||
221 | return 0; | |
222 | nla_put_failure: | |
223 | return -ENOBUFS; | |
224 | } | |
225 | COMMAND(set, coverage, "<coverage class>", | |
226 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_coverage, | |
227 | "Set coverage class (1 for every 3 usec of air propagation time).\n" | |
228 | "Valid values: 0 - 255."); | |
229 | ||
230 | static int handle_distance(struct nl80211_state *state, | |
231 | struct nl_cb *cb, | |
232 | struct nl_msg *msg, | |
05514f95 JB |
233 | int argc, char **argv, |
234 | enum id_input id) | |
b2f92dd0 | 235 | { |
e86b7e02 | 236 | char *end; |
b2f92dd0 LT |
237 | unsigned int distance, coverage; |
238 | ||
239 | if (argc != 1) | |
240 | return 1; | |
241 | ||
e86b7e02 JB |
242 | if (!*argv[0]) |
243 | return 1; | |
244 | ||
245 | distance = strtoul(argv[0], &end, 10); | |
246 | ||
247 | if (*end) | |
248 | return 1; | |
b2f92dd0 LT |
249 | |
250 | /* | |
251 | * Divide double the distance by the speed of light in m/usec (300) to | |
252 | * get round-trip time in microseconds and then divide the result by | |
253 | * three to get coverage class as specified in IEEE 802.11-2007 table | |
254 | * 7-27. Values are rounded upwards. | |
255 | */ | |
256 | coverage = (distance + 449) / 450; | |
257 | if (coverage > 255) | |
258 | return 1; | |
259 | ||
260 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage); | |
261 | ||
262 | return 0; | |
263 | nla_put_failure: | |
264 | return -ENOBUFS; | |
265 | } | |
266 | COMMAND(set, distance, "<distance>", | |
267 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_distance, | |
268 | "Set appropriate coverage class for given link distance in meters.\n" | |
269 | "Valid values: 0 - 114750"); | |
a0b1f574 JO |
270 | |
271 | static int handle_txpower(struct nl80211_state *state, | |
272 | struct nl_cb *cb, | |
273 | struct nl_msg *msg, | |
05514f95 JB |
274 | int argc, char **argv, |
275 | enum id_input id) | |
a0b1f574 JO |
276 | { |
277 | enum nl80211_tx_power_setting type; | |
278 | int mbm; | |
279 | ||
280 | /* get the required args */ | |
281 | if (argc != 1 && argc != 2) | |
282 | return 1; | |
283 | ||
284 | if (!strcmp(argv[0], "auto")) | |
285 | type = NL80211_TX_POWER_AUTOMATIC; | |
286 | else if (!strcmp(argv[0], "fixed")) | |
287 | type = NL80211_TX_POWER_FIXED; | |
288 | else if (!strcmp(argv[0], "limit")) | |
289 | type = NL80211_TX_POWER_LIMITED; | |
290 | else { | |
291 | printf("Invalid parameter: %s\n", argv[0]); | |
292 | return 2; | |
293 | } | |
294 | ||
295 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_SETTING, type); | |
296 | ||
297 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
18e05613 | 298 | char *endptr; |
a0b1f574 JO |
299 | if (argc != 2) { |
300 | printf("Missing TX power level argument.\n"); | |
301 | return 2; | |
302 | } | |
303 | ||
18e05613 | 304 | mbm = strtol(argv[1], &endptr, 10); |
08ec4c6b | 305 | if (*endptr) |
18e05613 | 306 | return 2; |
a0b1f574 JO |
307 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, mbm); |
308 | } else if (argc != 1) | |
309 | return 1; | |
310 | ||
311 | return 0; | |
312 | ||
313 | nla_put_failure: | |
314 | return -ENOBUFS; | |
315 | } | |
316 | COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]", | |
317 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_txpower, | |
318 | "Specify transmit power level and setting type."); | |
319 | COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]", | |
320 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_txpower, | |
321 | "Specify transmit power level and setting type."); | |
afce7986 BR |
322 | |
323 | static int handle_antenna(struct nl80211_state *state, | |
324 | struct nl_cb *cb, | |
325 | struct nl_msg *msg, | |
05514f95 JB |
326 | int argc, char **argv, |
327 | enum id_input id) | |
afce7986 BR |
328 | { |
329 | char *end; | |
330 | uint32_t tx_ant = 0, rx_ant = 0; | |
331 | ||
332 | if (argc == 1 && strcmp(argv[0], "all") == 0) { | |
333 | tx_ant = 0xffffffff; | |
334 | rx_ant = 0xffffffff; | |
335 | } else if (argc == 1) { | |
336 | tx_ant = rx_ant = strtoul(argv[0], &end, 0); | |
337 | if (*end) | |
338 | return 1; | |
339 | } | |
340 | else if (argc == 2) { | |
341 | tx_ant = strtoul(argv[0], &end, 0); | |
342 | if (*end) | |
343 | return 1; | |
344 | rx_ant = strtoul(argv[1], &end, 0); | |
345 | if (*end) | |
346 | return 1; | |
347 | } else | |
348 | return 1; | |
349 | ||
350 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); | |
351 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); | |
352 | ||
353 | return 0; | |
354 | ||
355 | nla_put_failure: | |
356 | return -ENOBUFS; | |
357 | } | |
358 | COMMAND(set, antenna, "<bitmap> | all | <tx bitmap> <rx bitmap>", | |
359 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_antenna, | |
360 | "Set a bitmap of allowed antennas to use for TX and RX.\n" | |
361 | "The driver may reject antenna configurations it cannot support."); |