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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
ff1d2767 JM |
2 | /* Host AP driver Info Frame processing (part of hostap.o module) */ |
3 | ||
1ea893fd | 4 | #include <linux/if_arp.h> |
d43c36dc | 5 | #include <linux/sched.h> |
5a0e3ad6 | 6 | #include <linux/slab.h> |
ee40fa06 | 7 | #include <linux/export.h> |
c3a2ee93 | 8 | #include <linux/etherdevice.h> |
5fad5a2e AB |
9 | #include "hostap_wlan.h" |
10 | #include "hostap.h" | |
11 | #include "hostap_ap.h" | |
ff1d2767 JM |
12 | |
13 | /* Called only as a tasklet (software IRQ) */ | |
14 | static void prism2_info_commtallies16(local_info_t *local, unsigned char *buf, | |
15 | int left) | |
16 | { | |
17 | struct hfa384x_comm_tallies *tallies; | |
18 | ||
19 | if (left < sizeof(struct hfa384x_comm_tallies)) { | |
20 | printk(KERN_DEBUG "%s: too short (len=%d) commtallies " | |
21 | "info frame\n", local->dev->name, left); | |
22 | return; | |
23 | } | |
24 | ||
25 | tallies = (struct hfa384x_comm_tallies *) buf; | |
26 | #define ADD_COMM_TALLIES(name) \ | |
27 | local->comm_tallies.name += le16_to_cpu(tallies->name) | |
28 | ADD_COMM_TALLIES(tx_unicast_frames); | |
29 | ADD_COMM_TALLIES(tx_multicast_frames); | |
30 | ADD_COMM_TALLIES(tx_fragments); | |
31 | ADD_COMM_TALLIES(tx_unicast_octets); | |
32 | ADD_COMM_TALLIES(tx_multicast_octets); | |
33 | ADD_COMM_TALLIES(tx_deferred_transmissions); | |
34 | ADD_COMM_TALLIES(tx_single_retry_frames); | |
35 | ADD_COMM_TALLIES(tx_multiple_retry_frames); | |
36 | ADD_COMM_TALLIES(tx_retry_limit_exceeded); | |
37 | ADD_COMM_TALLIES(tx_discards); | |
38 | ADD_COMM_TALLIES(rx_unicast_frames); | |
39 | ADD_COMM_TALLIES(rx_multicast_frames); | |
40 | ADD_COMM_TALLIES(rx_fragments); | |
41 | ADD_COMM_TALLIES(rx_unicast_octets); | |
42 | ADD_COMM_TALLIES(rx_multicast_octets); | |
43 | ADD_COMM_TALLIES(rx_fcs_errors); | |
44 | ADD_COMM_TALLIES(rx_discards_no_buffer); | |
45 | ADD_COMM_TALLIES(tx_discards_wrong_sa); | |
46 | ADD_COMM_TALLIES(rx_discards_wep_undecryptable); | |
47 | ADD_COMM_TALLIES(rx_message_in_msg_fragments); | |
48 | ADD_COMM_TALLIES(rx_message_in_bad_msg_fragments); | |
49 | #undef ADD_COMM_TALLIES | |
50 | } | |
51 | ||
52 | ||
53 | /* Called only as a tasklet (software IRQ) */ | |
54 | static void prism2_info_commtallies32(local_info_t *local, unsigned char *buf, | |
55 | int left) | |
56 | { | |
57 | struct hfa384x_comm_tallies32 *tallies; | |
58 | ||
59 | if (left < sizeof(struct hfa384x_comm_tallies32)) { | |
60 | printk(KERN_DEBUG "%s: too short (len=%d) commtallies32 " | |
61 | "info frame\n", local->dev->name, left); | |
62 | return; | |
63 | } | |
64 | ||
65 | tallies = (struct hfa384x_comm_tallies32 *) buf; | |
66 | #define ADD_COMM_TALLIES(name) \ | |
67 | local->comm_tallies.name += le32_to_cpu(tallies->name) | |
68 | ADD_COMM_TALLIES(tx_unicast_frames); | |
69 | ADD_COMM_TALLIES(tx_multicast_frames); | |
70 | ADD_COMM_TALLIES(tx_fragments); | |
71 | ADD_COMM_TALLIES(tx_unicast_octets); | |
72 | ADD_COMM_TALLIES(tx_multicast_octets); | |
73 | ADD_COMM_TALLIES(tx_deferred_transmissions); | |
74 | ADD_COMM_TALLIES(tx_single_retry_frames); | |
75 | ADD_COMM_TALLIES(tx_multiple_retry_frames); | |
76 | ADD_COMM_TALLIES(tx_retry_limit_exceeded); | |
77 | ADD_COMM_TALLIES(tx_discards); | |
78 | ADD_COMM_TALLIES(rx_unicast_frames); | |
79 | ADD_COMM_TALLIES(rx_multicast_frames); | |
80 | ADD_COMM_TALLIES(rx_fragments); | |
81 | ADD_COMM_TALLIES(rx_unicast_octets); | |
82 | ADD_COMM_TALLIES(rx_multicast_octets); | |
83 | ADD_COMM_TALLIES(rx_fcs_errors); | |
84 | ADD_COMM_TALLIES(rx_discards_no_buffer); | |
85 | ADD_COMM_TALLIES(tx_discards_wrong_sa); | |
86 | ADD_COMM_TALLIES(rx_discards_wep_undecryptable); | |
87 | ADD_COMM_TALLIES(rx_message_in_msg_fragments); | |
88 | ADD_COMM_TALLIES(rx_message_in_bad_msg_fragments); | |
89 | #undef ADD_COMM_TALLIES | |
90 | } | |
91 | ||
92 | ||
93 | /* Called only as a tasklet (software IRQ) */ | |
94 | static void prism2_info_commtallies(local_info_t *local, unsigned char *buf, | |
95 | int left) | |
96 | { | |
97 | if (local->tallies32) | |
98 | prism2_info_commtallies32(local, buf, left); | |
99 | else | |
100 | prism2_info_commtallies16(local, buf, left); | |
101 | } | |
102 | ||
103 | ||
104 | #ifndef PRISM2_NO_STATION_MODES | |
105 | #ifndef PRISM2_NO_DEBUG | |
106 | static const char* hfa384x_linkstatus_str(u16 linkstatus) | |
107 | { | |
108 | switch (linkstatus) { | |
109 | case HFA384X_LINKSTATUS_CONNECTED: | |
110 | return "Connected"; | |
111 | case HFA384X_LINKSTATUS_DISCONNECTED: | |
112 | return "Disconnected"; | |
113 | case HFA384X_LINKSTATUS_AP_CHANGE: | |
114 | return "Access point change"; | |
115 | case HFA384X_LINKSTATUS_AP_OUT_OF_RANGE: | |
116 | return "Access point out of range"; | |
117 | case HFA384X_LINKSTATUS_AP_IN_RANGE: | |
118 | return "Access point in range"; | |
119 | case HFA384X_LINKSTATUS_ASSOC_FAILED: | |
120 | return "Association failed"; | |
121 | default: | |
122 | return "Unknown"; | |
123 | } | |
124 | } | |
125 | #endif /* PRISM2_NO_DEBUG */ | |
126 | ||
127 | ||
128 | /* Called only as a tasklet (software IRQ) */ | |
129 | static void prism2_info_linkstatus(local_info_t *local, unsigned char *buf, | |
130 | int left) | |
131 | { | |
132 | u16 val; | |
133 | int non_sta_mode; | |
134 | ||
135 | /* Alloc new JoinRequests to occur since LinkStatus for the previous | |
136 | * has been received */ | |
137 | local->last_join_time = 0; | |
138 | ||
139 | if (left != 2) { | |
140 | printk(KERN_DEBUG "%s: invalid linkstatus info frame " | |
141 | "length %d\n", local->dev->name, left); | |
142 | return; | |
143 | } | |
144 | ||
145 | non_sta_mode = local->iw_mode == IW_MODE_MASTER || | |
146 | local->iw_mode == IW_MODE_REPEAT || | |
147 | local->iw_mode == IW_MODE_MONITOR; | |
148 | ||
149 | val = buf[0] | (buf[1] << 8); | |
150 | if (!non_sta_mode || val != HFA384X_LINKSTATUS_DISCONNECTED) { | |
151 | PDEBUG(DEBUG_EXTRA, "%s: LinkStatus=%d (%s)\n", | |
152 | local->dev->name, val, hfa384x_linkstatus_str(val)); | |
153 | } | |
154 | ||
155 | if (non_sta_mode) { | |
156 | netif_carrier_on(local->dev); | |
157 | netif_carrier_on(local->ddev); | |
158 | return; | |
159 | } | |
160 | ||
161 | /* Get current BSSID later in scheduled task */ | |
162 | set_bit(PRISM2_INFO_PENDING_LINKSTATUS, &local->pending_info); | |
163 | local->prev_link_status = val; | |
164 | schedule_work(&local->info_queue); | |
165 | } | |
166 | ||
167 | ||
168 | static void prism2_host_roaming(local_info_t *local) | |
169 | { | |
170 | struct hfa384x_join_request req; | |
171 | struct net_device *dev = local->dev; | |
2e4fd068 | 172 | struct hfa384x_hostscan_result *selected, *entry; |
ff1d2767 JM |
173 | int i; |
174 | unsigned long flags; | |
175 | ||
176 | if (local->last_join_time && | |
177 | time_before(jiffies, local->last_join_time + 10 * HZ)) { | |
178 | PDEBUG(DEBUG_EXTRA, "%s: last join request has not yet been " | |
179 | "completed - waiting for it before issuing new one\n", | |
180 | dev->name); | |
181 | return; | |
182 | } | |
183 | ||
184 | /* ScanResults are sorted: first ESS results in decreasing signal | |
185 | * quality then IBSS results in similar order. | |
186 | * Trivial roaming policy: just select the first entry. | |
187 | * This could probably be improved by adding hysteresis to limit | |
188 | * number of handoffs, etc. | |
189 | * | |
190 | * Could do periodic RID_SCANREQUEST or Inquire F101 to get new | |
191 | * ScanResults */ | |
192 | spin_lock_irqsave(&local->lock, flags); | |
193 | if (local->last_scan_results == NULL || | |
194 | local->last_scan_results_count == 0) { | |
195 | spin_unlock_irqrestore(&local->lock, flags); | |
196 | PDEBUG(DEBUG_EXTRA, "%s: no scan results for host roaming\n", | |
197 | dev->name); | |
198 | return; | |
199 | } | |
200 | ||
201 | selected = &local->last_scan_results[0]; | |
202 | ||
203 | if (local->preferred_ap[0] || local->preferred_ap[1] || | |
204 | local->preferred_ap[2] || local->preferred_ap[3] || | |
205 | local->preferred_ap[4] || local->preferred_ap[5]) { | |
206 | /* Try to find preferred AP */ | |
e174961c JB |
207 | PDEBUG(DEBUG_EXTRA, "%s: Preferred AP BSSID %pM\n", |
208 | dev->name, local->preferred_ap); | |
ff1d2767 JM |
209 | for (i = 0; i < local->last_scan_results_count; i++) { |
210 | entry = &local->last_scan_results[i]; | |
211 | if (memcmp(local->preferred_ap, entry->bssid, 6) == 0) | |
212 | { | |
213 | PDEBUG(DEBUG_EXTRA, "%s: using preferred AP " | |
214 | "selection\n", dev->name); | |
215 | selected = entry; | |
216 | break; | |
217 | } | |
218 | } | |
219 | } | |
220 | ||
d458cdf7 | 221 | memcpy(req.bssid, selected->bssid, ETH_ALEN); |
ff1d2767 JM |
222 | req.channel = selected->chid; |
223 | spin_unlock_irqrestore(&local->lock, flags); | |
224 | ||
e174961c | 225 | PDEBUG(DEBUG_EXTRA, "%s: JoinRequest: BSSID=%pM" |
0795af57 | 226 | " channel=%d\n", |
e174961c | 227 | dev->name, req.bssid, le16_to_cpu(req.channel)); |
ff1d2767 JM |
228 | if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req, |
229 | sizeof(req))) { | |
230 | printk(KERN_DEBUG "%s: JoinRequest failed\n", dev->name); | |
231 | } | |
232 | local->last_join_time = jiffies; | |
233 | } | |
234 | ||
235 | ||
236 | static void hostap_report_scan_complete(local_info_t *local) | |
237 | { | |
238 | union iwreq_data wrqu; | |
239 | ||
240 | /* Inform user space about new scan results (just empty event, | |
241 | * SIOCGIWSCAN can be used to fetch data */ | |
242 | wrqu.data.length = 0; | |
243 | wrqu.data.flags = 0; | |
244 | wireless_send_event(local->dev, SIOCGIWSCAN, &wrqu, NULL); | |
245 | ||
246 | /* Allow SIOCGIWSCAN handling to occur since we have received | |
247 | * scanning result */ | |
248 | local->scan_timestamp = 0; | |
249 | } | |
250 | ||
251 | ||
252 | /* Called only as a tasklet (software IRQ) */ | |
253 | static void prism2_info_scanresults(local_info_t *local, unsigned char *buf, | |
254 | int left) | |
255 | { | |
256 | u16 *pos; | |
2e4fd068 | 257 | int new_count, i; |
ff1d2767 | 258 | unsigned long flags; |
2e4fd068 JM |
259 | struct hfa384x_scan_result *res; |
260 | struct hfa384x_hostscan_result *results, *prev; | |
ff1d2767 JM |
261 | |
262 | if (left < 4) { | |
263 | printk(KERN_DEBUG "%s: invalid scanresult info frame " | |
264 | "length %d\n", local->dev->name, left); | |
265 | return; | |
266 | } | |
267 | ||
268 | pos = (u16 *) buf; | |
269 | pos++; | |
270 | pos++; | |
271 | left -= 4; | |
272 | ||
273 | new_count = left / sizeof(struct hfa384x_scan_result); | |
2e4fd068 | 274 | results = kmalloc(new_count * sizeof(struct hfa384x_hostscan_result), |
ff1d2767 JM |
275 | GFP_ATOMIC); |
276 | if (results == NULL) | |
277 | return; | |
2e4fd068 JM |
278 | |
279 | /* Convert to hostscan result format. */ | |
280 | res = (struct hfa384x_scan_result *) pos; | |
281 | for (i = 0; i < new_count; i++) { | |
282 | memcpy(&results[i], &res[i], | |
283 | sizeof(struct hfa384x_scan_result)); | |
284 | results[i].atim = 0; | |
285 | } | |
ff1d2767 JM |
286 | |
287 | spin_lock_irqsave(&local->lock, flags); | |
288 | local->last_scan_type = PRISM2_SCAN; | |
289 | prev = local->last_scan_results; | |
290 | local->last_scan_results = results; | |
291 | local->last_scan_results_count = new_count; | |
292 | spin_unlock_irqrestore(&local->lock, flags); | |
293 | kfree(prev); | |
294 | ||
295 | hostap_report_scan_complete(local); | |
296 | ||
297 | /* Perform rest of ScanResults handling later in scheduled task */ | |
298 | set_bit(PRISM2_INFO_PENDING_SCANRESULTS, &local->pending_info); | |
299 | schedule_work(&local->info_queue); | |
300 | } | |
301 | ||
302 | ||
303 | /* Called only as a tasklet (software IRQ) */ | |
304 | static void prism2_info_hostscanresults(local_info_t *local, | |
305 | unsigned char *buf, int left) | |
306 | { | |
307 | int i, result_size, copy_len, new_count; | |
308 | struct hfa384x_hostscan_result *results, *prev; | |
309 | unsigned long flags; | |
8a9faf3c | 310 | __le16 *pos; |
ff1d2767 JM |
311 | u8 *ptr; |
312 | ||
313 | wake_up_interruptible(&local->hostscan_wq); | |
314 | ||
315 | if (left < 4) { | |
316 | printk(KERN_DEBUG "%s: invalid hostscanresult info frame " | |
317 | "length %d\n", local->dev->name, left); | |
318 | return; | |
319 | } | |
320 | ||
8a9faf3c | 321 | pos = (__le16 *) buf; |
ff1d2767 JM |
322 | copy_len = result_size = le16_to_cpu(*pos); |
323 | if (result_size == 0) { | |
324 | printk(KERN_DEBUG "%s: invalid result_size (0) in " | |
325 | "hostscanresults\n", local->dev->name); | |
326 | return; | |
327 | } | |
328 | if (copy_len > sizeof(struct hfa384x_hostscan_result)) | |
329 | copy_len = sizeof(struct hfa384x_hostscan_result); | |
330 | ||
331 | pos++; | |
332 | pos++; | |
333 | left -= 4; | |
334 | ptr = (u8 *) pos; | |
335 | ||
336 | new_count = left / result_size; | |
b0471bb7 | 337 | results = kcalloc(new_count, sizeof(struct hfa384x_hostscan_result), |
ff1d2767 JM |
338 | GFP_ATOMIC); |
339 | if (results == NULL) | |
340 | return; | |
ff1d2767 JM |
341 | |
342 | for (i = 0; i < new_count; i++) { | |
343 | memcpy(&results[i], ptr, copy_len); | |
344 | ptr += result_size; | |
345 | left -= result_size; | |
346 | } | |
347 | ||
348 | if (left) { | |
349 | printk(KERN_DEBUG "%s: short HostScan result entry (%d/%d)\n", | |
350 | local->dev->name, left, result_size); | |
351 | } | |
352 | ||
353 | spin_lock_irqsave(&local->lock, flags); | |
354 | local->last_scan_type = PRISM2_HOSTSCAN; | |
2e4fd068 JM |
355 | prev = local->last_scan_results; |
356 | local->last_scan_results = results; | |
357 | local->last_scan_results_count = new_count; | |
ff1d2767 JM |
358 | spin_unlock_irqrestore(&local->lock, flags); |
359 | kfree(prev); | |
360 | ||
361 | hostap_report_scan_complete(local); | |
362 | } | |
363 | #endif /* PRISM2_NO_STATION_MODES */ | |
364 | ||
365 | ||
366 | /* Called only as a tasklet (software IRQ) */ | |
367 | void hostap_info_process(local_info_t *local, struct sk_buff *skb) | |
368 | { | |
369 | struct hfa384x_info_frame *info; | |
370 | unsigned char *buf; | |
371 | int left; | |
372 | #ifndef PRISM2_NO_DEBUG | |
373 | int i; | |
374 | #endif /* PRISM2_NO_DEBUG */ | |
375 | ||
376 | info = (struct hfa384x_info_frame *) skb->data; | |
377 | buf = skb->data + sizeof(*info); | |
378 | left = skb->len - sizeof(*info); | |
379 | ||
184a3b2c | 380 | switch (le16_to_cpu(info->type)) { |
ff1d2767 JM |
381 | case HFA384X_INFO_COMMTALLIES: |
382 | prism2_info_commtallies(local, buf, left); | |
383 | break; | |
384 | ||
385 | #ifndef PRISM2_NO_STATION_MODES | |
386 | case HFA384X_INFO_LINKSTATUS: | |
387 | prism2_info_linkstatus(local, buf, left); | |
388 | break; | |
389 | ||
390 | case HFA384X_INFO_SCANRESULTS: | |
391 | prism2_info_scanresults(local, buf, left); | |
392 | break; | |
393 | ||
394 | case HFA384X_INFO_HOSTSCANRESULTS: | |
395 | prism2_info_hostscanresults(local, buf, left); | |
396 | break; | |
397 | #endif /* PRISM2_NO_STATION_MODES */ | |
398 | ||
399 | #ifndef PRISM2_NO_DEBUG | |
400 | default: | |
401 | PDEBUG(DEBUG_EXTRA, "%s: INFO - len=%d type=0x%04x\n", | |
184a3b2c AV |
402 | local->dev->name, le16_to_cpu(info->len), |
403 | le16_to_cpu(info->type)); | |
ff1d2767 JM |
404 | PDEBUG(DEBUG_EXTRA, "Unknown info frame:"); |
405 | for (i = 0; i < (left < 100 ? left : 100); i++) | |
406 | PDEBUG2(DEBUG_EXTRA, " %02x", buf[i]); | |
407 | PDEBUG2(DEBUG_EXTRA, "\n"); | |
408 | break; | |
409 | #endif /* PRISM2_NO_DEBUG */ | |
410 | } | |
411 | } | |
412 | ||
413 | ||
414 | #ifndef PRISM2_NO_STATION_MODES | |
415 | static void handle_info_queue_linkstatus(local_info_t *local) | |
416 | { | |
417 | int val = local->prev_link_status; | |
418 | int connected; | |
419 | union iwreq_data wrqu; | |
420 | ||
421 | connected = | |
422 | val == HFA384X_LINKSTATUS_CONNECTED || | |
423 | val == HFA384X_LINKSTATUS_AP_CHANGE || | |
424 | val == HFA384X_LINKSTATUS_AP_IN_RANGE; | |
425 | ||
426 | if (local->func->get_rid(local->dev, HFA384X_RID_CURRENTBSSID, | |
427 | local->bssid, ETH_ALEN, 1) < 0) { | |
428 | printk(KERN_DEBUG "%s: could not read CURRENTBSSID after " | |
429 | "LinkStatus event\n", local->dev->name); | |
430 | } else { | |
e174961c | 431 | PDEBUG(DEBUG_EXTRA, "%s: LinkStatus: BSSID=%pM\n", |
ff1d2767 | 432 | local->dev->name, |
e174961c | 433 | (unsigned char *) local->bssid); |
ff1d2767 JM |
434 | if (local->wds_type & HOSTAP_WDS_AP_CLIENT) |
435 | hostap_add_sta(local->ap, local->bssid); | |
436 | } | |
437 | ||
438 | /* Get BSSID if we have a valid AP address */ | |
439 | if (connected) { | |
440 | netif_carrier_on(local->dev); | |
441 | netif_carrier_on(local->ddev); | |
442 | memcpy(wrqu.ap_addr.sa_data, local->bssid, ETH_ALEN); | |
443 | } else { | |
444 | netif_carrier_off(local->dev); | |
445 | netif_carrier_off(local->ddev); | |
93803b33 | 446 | eth_zero_addr(wrqu.ap_addr.sa_data); |
ff1d2767 JM |
447 | } |
448 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
449 | ||
450 | /* | |
451 | * Filter out sequential disconnect events in order not to cause a | |
452 | * flood of SIOCGIWAP events that have a race condition with EAPOL | |
453 | * frames and can confuse wpa_supplicant about the current association | |
454 | * status. | |
455 | */ | |
456 | if (connected || local->prev_linkstatus_connected) | |
457 | wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); | |
458 | local->prev_linkstatus_connected = connected; | |
459 | } | |
460 | ||
461 | ||
462 | static void handle_info_queue_scanresults(local_info_t *local) | |
463 | { | |
464 | if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) | |
465 | prism2_host_roaming(local); | |
0c629a69 JM |
466 | |
467 | if (local->host_roaming == 2 && local->iw_mode == IW_MODE_INFRA && | |
c3a2ee93 | 468 | !is_zero_ether_addr(local->preferred_ap)) { |
0c629a69 JM |
469 | /* |
470 | * Firmware seems to be getting into odd state in host_roaming | |
471 | * mode 2 when hostscan is used without join command, so try | |
472 | * to fix this by re-joining the current AP. This does not | |
473 | * actually trigger a new association if the current AP is | |
474 | * still in the scan results. | |
475 | */ | |
476 | prism2_host_roaming(local); | |
477 | } | |
ff1d2767 JM |
478 | } |
479 | ||
480 | ||
481 | /* Called only as scheduled task after receiving info frames (used to avoid | |
482 | * pending too much time in HW IRQ handler). */ | |
c4028958 | 483 | static void handle_info_queue(struct work_struct *work) |
ff1d2767 | 484 | { |
c4028958 | 485 | local_info_t *local = container_of(work, local_info_t, info_queue); |
ff1d2767 JM |
486 | |
487 | if (test_and_clear_bit(PRISM2_INFO_PENDING_LINKSTATUS, | |
488 | &local->pending_info)) | |
489 | handle_info_queue_linkstatus(local); | |
490 | ||
491 | if (test_and_clear_bit(PRISM2_INFO_PENDING_SCANRESULTS, | |
492 | &local->pending_info)) | |
493 | handle_info_queue_scanresults(local); | |
494 | } | |
495 | #endif /* PRISM2_NO_STATION_MODES */ | |
496 | ||
497 | ||
498 | void hostap_info_init(local_info_t *local) | |
499 | { | |
500 | skb_queue_head_init(&local->info_list); | |
501 | #ifndef PRISM2_NO_STATION_MODES | |
c4028958 | 502 | INIT_WORK(&local->info_queue, handle_info_queue); |
ff1d2767 JM |
503 | #endif /* PRISM2_NO_STATION_MODES */ |
504 | } | |
505 | ||
506 | ||
507 | EXPORT_SYMBOL(hostap_info_init); | |
508 | EXPORT_SYMBOL(hostap_info_process); |