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Linux 2.6.33
[pohmelfs.git] / drivers / net / wireless / mac80211_hwsim.c
blob88e41176e7fd243ee773adc492c3207f6faeb56b
1 /*
2 * mac80211_hwsim - software simulator of 802.11 radio(s) for mac80211
3 * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 */
9
10 /*
11 * TODO:
12 * - IBSS mode simulation (Beacon transmission with competition for "air time")
13 * - RX filtering based on filter configuration (data->rx_filter)
14 */
15
16 #include <linux/list.h>
17 #include <linux/spinlock.h>
18 #include <net/dst.h>
19 #include <net/xfrm.h>
20 #include <net/mac80211.h>
21 #include <net/ieee80211_radiotap.h>
22 #include <linux/if_arp.h>
23 #include <linux/rtnetlink.h>
24 #include <linux/etherdevice.h>
25 #include <linux/debugfs.h>
26
27 MODULE_AUTHOR("Jouni Malinen");
28 MODULE_DESCRIPTION("Software simulator of 802.11 radio(s) for mac80211");
29 MODULE_LICENSE("GPL");
30
31 static int radios = 2;
32 module_param(radios, int, 0444);
33 MODULE_PARM_DESC(radios, "Number of simulated radios");
34
35 /**
36 * enum hwsim_regtest - the type of regulatory tests we offer
37 *
38 * These are the different values you can use for the regtest
39 * module parameter. This is useful to help test world roaming
40 * and the driver regulatory_hint() call and combinations of these.
41 * If you want to do specific alpha2 regulatory domain tests simply
42 * use the userspace regulatory request as that will be respected as
43 * well without the need of this module parameter. This is designed
44 * only for testing the driver regulatory request, world roaming
45 * and all possible combinations.
46 *
47 * @HWSIM_REGTEST_DISABLED: No regulatory tests are performed,
48 * this is the default value.
49 * @HWSIM_REGTEST_DRIVER_REG_FOLLOW: Used for testing the driver regulatory
50 * hint, only one driver regulatory hint will be sent as such the
51 * secondary radios are expected to follow.
52 * @HWSIM_REGTEST_DRIVER_REG_ALL: Used for testing the driver regulatory
53 * request with all radios reporting the same regulatory domain.
54 * @HWSIM_REGTEST_DIFF_COUNTRY: Used for testing the drivers calling
55 * different regulatory domains requests. Expected behaviour is for
56 * an intersection to occur but each device will still use their
57 * respective regulatory requested domains. Subsequent radios will
58 * use the resulting intersection.
59 * @HWSIM_REGTEST_WORLD_ROAM: Used for testing the world roaming. We acomplish
60 * this by using a custom beacon-capable regulatory domain for the first
61 * radio. All other device world roam.
62 * @HWSIM_REGTEST_CUSTOM_WORLD: Used for testing the custom world regulatory
63 * domain requests. All radios will adhere to this custom world regulatory
64 * domain.
65 * @HWSIM_REGTEST_CUSTOM_WORLD_2: Used for testing 2 custom world regulatory
66 * domain requests. The first radio will adhere to the first custom world
67 * regulatory domain, the second one to the second custom world regulatory
68 * domain. All other devices will world roam.
69 * @HWSIM_REGTEST_STRICT_FOLLOW_: Used for testing strict regulatory domain
70 * settings, only the first radio will send a regulatory domain request
71 * and use strict settings. The rest of the radios are expected to follow.
72 * @HWSIM_REGTEST_STRICT_ALL: Used for testing strict regulatory domain
73 * settings. All radios will adhere to this.
74 * @HWSIM_REGTEST_STRICT_AND_DRIVER_REG: Used for testing strict regulatory
75 * domain settings, combined with secondary driver regulatory domain
76 * settings. The first radio will get a strict regulatory domain setting
77 * using the first driver regulatory request and the second radio will use
78 * non-strict settings using the second driver regulatory request. All
79 * other devices should follow the intersection created between the
80 * first two.
81 * @HWSIM_REGTEST_ALL: Used for testing every possible mix. You will need
82 * at least 6 radios for a complete test. We will test in this order:
83 * 1 - driver custom world regulatory domain
84 * 2 - second custom world regulatory domain
85 * 3 - first driver regulatory domain request
86 * 4 - second driver regulatory domain request
87 * 5 - strict regulatory domain settings using the third driver regulatory
88 * domain request
89 * 6 and on - should follow the intersection of the 3rd, 4rth and 5th radio
90 * regulatory requests.
91 */
92 enum hwsim_regtest {
93 HWSIM_REGTEST_DISABLED = 0,
94 HWSIM_REGTEST_DRIVER_REG_FOLLOW = 1,
95 HWSIM_REGTEST_DRIVER_REG_ALL = 2,
96 HWSIM_REGTEST_DIFF_COUNTRY = 3,
97 HWSIM_REGTEST_WORLD_ROAM = 4,
98 HWSIM_REGTEST_CUSTOM_WORLD = 5,
99 HWSIM_REGTEST_CUSTOM_WORLD_2 = 6,
100 HWSIM_REGTEST_STRICT_FOLLOW = 7,
101 HWSIM_REGTEST_STRICT_ALL = 8,
102 HWSIM_REGTEST_STRICT_AND_DRIVER_REG = 9,
103 HWSIM_REGTEST_ALL = 10,
104 };
105
106 /* Set to one of the HWSIM_REGTEST_* values above */
107 static int regtest = HWSIM_REGTEST_DISABLED;
108 module_param(regtest, int, 0444);
109 MODULE_PARM_DESC(regtest, "The type of regulatory test we want to run");
110
111 static const char *hwsim_alpha2s[] = {
112 "FI",
113 "AL",
114 "US",
115 "DE",
116 "JP",
117 "AL",
118 };
119
120 static const struct ieee80211_regdomain hwsim_world_regdom_custom_01 = {
121 .n_reg_rules = 4,
122 .alpha2 = "99",
123 .reg_rules = {
124 REG_RULE(2412-10, 2462+10, 40, 0, 20, 0),
125 REG_RULE(2484-10, 2484+10, 40, 0, 20, 0),
126 REG_RULE(5150-10, 5240+10, 40, 0, 30, 0),
127 REG_RULE(5745-10, 5825+10, 40, 0, 30, 0),
128 }
129 };
130
131 static const struct ieee80211_regdomain hwsim_world_regdom_custom_02 = {
132 .n_reg_rules = 2,
133 .alpha2 = "99",
134 .reg_rules = {
135 REG_RULE(2412-10, 2462+10, 40, 0, 20, 0),
136 REG_RULE(5725-10, 5850+10, 40, 0, 30,
137 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
138 }
139 };
140
141 struct hwsim_vif_priv {
142 u32 magic;
143 u8 bssid[ETH_ALEN];
144 bool assoc;
145 u16 aid;
146 };
147
148 #define HWSIM_VIF_MAGIC 0x69537748
149
150 static inline void hwsim_check_magic(struct ieee80211_vif *vif)
151 {
152 struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
153 WARN_ON(vp->magic != HWSIM_VIF_MAGIC);
154 }
155
156 static inline void hwsim_set_magic(struct ieee80211_vif *vif)
157 {
158 struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
159 vp->magic = HWSIM_VIF_MAGIC;
160 }
161
162 static inline void hwsim_clear_magic(struct ieee80211_vif *vif)
163 {
164 struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
165 vp->magic = 0;
166 }
167
168 struct hwsim_sta_priv {
169 u32 magic;
170 };
171
172 #define HWSIM_STA_MAGIC 0x6d537748
173
174 static inline void hwsim_check_sta_magic(struct ieee80211_sta *sta)
175 {
176 struct hwsim_sta_priv *sp = (void *)sta->drv_priv;
177 WARN_ON(sp->magic != HWSIM_STA_MAGIC);
178 }
179
180 static inline void hwsim_set_sta_magic(struct ieee80211_sta *sta)
181 {
182 struct hwsim_sta_priv *sp = (void *)sta->drv_priv;
183 sp->magic = HWSIM_STA_MAGIC;
184 }
185
186 static inline void hwsim_clear_sta_magic(struct ieee80211_sta *sta)
187 {
188 struct hwsim_sta_priv *sp = (void *)sta->drv_priv;
189 sp->magic = 0;
190 }
191
192 static struct class *hwsim_class;
193
194 static struct net_device *hwsim_mon; /* global monitor netdev */
195
196 #define CHAN2G(_freq) { \
197 .band = IEEE80211_BAND_2GHZ, \
198 .center_freq = (_freq), \
199 .hw_value = (_freq), \
200 .max_power = 20, \
201 }
202
203 #define CHAN5G(_freq) { \
204 .band = IEEE80211_BAND_5GHZ, \
205 .center_freq = (_freq), \
206 .hw_value = (_freq), \
207 .max_power = 20, \
208 }
209
210 static const struct ieee80211_channel hwsim_channels_2ghz[] = {
211 CHAN2G(2412), /* Channel 1 */
212 CHAN2G(2417), /* Channel 2 */
213 CHAN2G(2422), /* Channel 3 */
214 CHAN2G(2427), /* Channel 4 */
215 CHAN2G(2432), /* Channel 5 */
216 CHAN2G(2437), /* Channel 6 */
217 CHAN2G(2442), /* Channel 7 */
218 CHAN2G(2447), /* Channel 8 */
219 CHAN2G(2452), /* Channel 9 */
220 CHAN2G(2457), /* Channel 10 */
221 CHAN2G(2462), /* Channel 11 */
222 CHAN2G(2467), /* Channel 12 */
223 CHAN2G(2472), /* Channel 13 */
224 CHAN2G(2484), /* Channel 14 */
225 };
226
227 static const struct ieee80211_channel hwsim_channels_5ghz[] = {
228 CHAN5G(5180), /* Channel 36 */
229 CHAN5G(5200), /* Channel 40 */
230 CHAN5G(5220), /* Channel 44 */
231 CHAN5G(5240), /* Channel 48 */
232
233 CHAN5G(5260), /* Channel 52 */
234 CHAN5G(5280), /* Channel 56 */
235 CHAN5G(5300), /* Channel 60 */
236 CHAN5G(5320), /* Channel 64 */
237
238 CHAN5G(5500), /* Channel 100 */
239 CHAN5G(5520), /* Channel 104 */
240 CHAN5G(5540), /* Channel 108 */
241 CHAN5G(5560), /* Channel 112 */
242 CHAN5G(5580), /* Channel 116 */
243 CHAN5G(5600), /* Channel 120 */
244 CHAN5G(5620), /* Channel 124 */
245 CHAN5G(5640), /* Channel 128 */
246 CHAN5G(5660), /* Channel 132 */
247 CHAN5G(5680), /* Channel 136 */
248 CHAN5G(5700), /* Channel 140 */
249
250 CHAN5G(5745), /* Channel 149 */
251 CHAN5G(5765), /* Channel 153 */
252 CHAN5G(5785), /* Channel 157 */
253 CHAN5G(5805), /* Channel 161 */
254 CHAN5G(5825), /* Channel 165 */
255 };
256
257 static const struct ieee80211_rate hwsim_rates[] = {
258 { .bitrate = 10 },
259 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
260 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
261 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
262 { .bitrate = 60 },
263 { .bitrate = 90 },
264 { .bitrate = 120 },
265 { .bitrate = 180 },
266 { .bitrate = 240 },
267 { .bitrate = 360 },
268 { .bitrate = 480 },
269 { .bitrate = 540 }
270 };
271
272 static spinlock_t hwsim_radio_lock;
273 static struct list_head hwsim_radios;
274
275 struct mac80211_hwsim_data {
276 struct list_head list;
277 struct ieee80211_hw *hw;
278 struct device *dev;
279 struct ieee80211_supported_band bands[2];
280 struct ieee80211_channel channels_2ghz[ARRAY_SIZE(hwsim_channels_2ghz)];
281 struct ieee80211_channel channels_5ghz[ARRAY_SIZE(hwsim_channels_5ghz)];
282 struct ieee80211_rate rates[ARRAY_SIZE(hwsim_rates)];
283
284 struct ieee80211_channel *channel;
285 unsigned long beacon_int; /* in jiffies unit */
286 unsigned int rx_filter;
287 bool started, idle;
288 struct timer_list beacon_timer;
289 enum ps_mode {
290 PS_DISABLED, PS_ENABLED, PS_AUTO_POLL, PS_MANUAL_POLL
291 } ps;
292 bool ps_poll_pending;
293 struct dentry *debugfs;
294 struct dentry *debugfs_ps;
295
296 /*
297 * Only radios in the same group can communicate together (the
298 * channel has to match too). Each bit represents a group. A
299 * radio can be in more then one group.
300 */
301 u64 group;
302 struct dentry *debugfs_group;
303 };
304
305
306 struct hwsim_radiotap_hdr {
307 struct ieee80211_radiotap_header hdr;
308 u8 rt_flags;
309 u8 rt_rate;
310 __le16 rt_channel;
311 __le16 rt_chbitmask;
312 } __attribute__ ((packed));
313
314
315 static netdev_tx_t hwsim_mon_xmit(struct sk_buff *skb,
316 struct net_device *dev)
317 {
318 /* TODO: allow packet injection */
319 dev_kfree_skb(skb);
320 return NETDEV_TX_OK;
321 }
322
323
324 static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
325 struct sk_buff *tx_skb)
326 {
327 struct mac80211_hwsim_data *data = hw->priv;
328 struct sk_buff *skb;
329 struct hwsim_radiotap_hdr *hdr;
330 u16 flags;
331 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_skb);
332 struct ieee80211_rate *txrate = ieee80211_get_tx_rate(hw, info);
333
334 if (!netif_running(hwsim_mon))
335 return;
336
337 skb = skb_copy_expand(tx_skb, sizeof(*hdr), 0, GFP_ATOMIC);
338 if (skb == NULL)
339 return;
340
341 hdr = (struct hwsim_radiotap_hdr *) skb_push(skb, sizeof(*hdr));
342 hdr->hdr.it_version = PKTHDR_RADIOTAP_VERSION;
343 hdr->hdr.it_pad = 0;
344 hdr->hdr.it_len = cpu_to_le16(sizeof(*hdr));
345 hdr->hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
346 (1 << IEEE80211_RADIOTAP_RATE) |
347 (1 << IEEE80211_RADIOTAP_CHANNEL));
348 hdr->rt_flags = 0;
349 hdr->rt_rate = txrate->bitrate / 5;
350 hdr->rt_channel = cpu_to_le16(data->channel->center_freq);
351 flags = IEEE80211_CHAN_2GHZ;
352 if (txrate->flags & IEEE80211_RATE_ERP_G)
353 flags |= IEEE80211_CHAN_OFDM;
354 else
355 flags |= IEEE80211_CHAN_CCK;
356 hdr->rt_chbitmask = cpu_to_le16(flags);
357
358 skb->dev = hwsim_mon;
359 skb_set_mac_header(skb, 0);
360 skb->ip_summed = CHECKSUM_UNNECESSARY;
361 skb->pkt_type = PACKET_OTHERHOST;
362 skb->protocol = htons(ETH_P_802_2);
363 memset(skb->cb, 0, sizeof(skb->cb));
364 netif_rx(skb);
365 }
366
367
368 static void mac80211_hwsim_monitor_ack(struct ieee80211_hw *hw, const u8 *addr)
369 {
370 struct mac80211_hwsim_data *data = hw->priv;
371 struct sk_buff *skb;
372 struct hwsim_radiotap_hdr *hdr;
373 u16 flags;
374 struct ieee80211_hdr *hdr11;
375
376 if (!netif_running(hwsim_mon))
377 return;
378
379 skb = dev_alloc_skb(100);
380 if (skb == NULL)
381 return;
382
383 hdr = (struct hwsim_radiotap_hdr *) skb_put(skb, sizeof(*hdr));
384 hdr->hdr.it_version = PKTHDR_RADIOTAP_VERSION;
385 hdr->hdr.it_pad = 0;
386 hdr->hdr.it_len = cpu_to_le16(sizeof(*hdr));
387 hdr->hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
388 (1 << IEEE80211_RADIOTAP_CHANNEL));
389 hdr->rt_flags = 0;
390 hdr->rt_rate = 0;
391 hdr->rt_channel = cpu_to_le16(data->channel->center_freq);
392 flags = IEEE80211_CHAN_2GHZ;
393 hdr->rt_chbitmask = cpu_to_le16(flags);
394
395 hdr11 = (struct ieee80211_hdr *) skb_put(skb, 10);
396 hdr11->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
397 IEEE80211_STYPE_ACK);
398 hdr11->duration_id = cpu_to_le16(0);
399 memcpy(hdr11->addr1, addr, ETH_ALEN);
400
401 skb->dev = hwsim_mon;
402 skb_set_mac_header(skb, 0);
403 skb->ip_summed = CHECKSUM_UNNECESSARY;
404 skb->pkt_type = PACKET_OTHERHOST;
405 skb->protocol = htons(ETH_P_802_2);
406 memset(skb->cb, 0, sizeof(skb->cb));
407 netif_rx(skb);
408 }
409
410
411 static bool hwsim_ps_rx_ok(struct mac80211_hwsim_data *data,
412 struct sk_buff *skb)
413 {
414 switch (data->ps) {
415 case PS_DISABLED:
416 return true;
417 case PS_ENABLED:
418 return false;
419 case PS_AUTO_POLL:
420 /* TODO: accept (some) Beacons by default and other frames only
421 * if pending PS-Poll has been sent */
422 return true;
423 case PS_MANUAL_POLL:
424 /* Allow unicast frames to own address if there is a pending
425 * PS-Poll */
426 if (data->ps_poll_pending &&
427 memcmp(data->hw->wiphy->perm_addr, skb->data + 4,
428 ETH_ALEN) == 0) {
429 data->ps_poll_pending = false;
430 return true;
431 }
432 return false;
433 }
434
435 return true;
436 }
437
438
439 static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
440 struct sk_buff *skb)
441 {
442 struct mac80211_hwsim_data *data = hw->priv, *data2;
443 bool ack = false;
444 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
445 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
446 struct ieee80211_rx_status rx_status;
447
448 if (data->idle) {
449 printk(KERN_DEBUG "%s: Trying to TX when idle - reject\n",
450 wiphy_name(hw->wiphy));
451 return false;
452 }
453
454 memset(&rx_status, 0, sizeof(rx_status));
455 /* TODO: set mactime */
456 rx_status.freq = data->channel->center_freq;
457 rx_status.band = data->channel->band;
458 rx_status.rate_idx = info->control.rates[0].idx;
459 /* TODO: simulate real signal strength (and optional packet loss) */
460 rx_status.signal = -50;
461
462 if (data->ps != PS_DISABLED)
463 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
464
465 /* release the skb's source info */
466 skb_orphan(skb);
467 skb_dst_drop(skb);
468 skb->mark = 0;
469 secpath_reset(skb);
470 nf_reset(skb);
471
472 /* Copy skb to all enabled radios that are on the current frequency */
473 spin_lock(&hwsim_radio_lock);
474 list_for_each_entry(data2, &hwsim_radios, list) {
475 struct sk_buff *nskb;
476
477 if (data == data2)
478 continue;
479
480 if (data2->idle || !data2->started ||
481 !hwsim_ps_rx_ok(data2, skb) ||
482 !data->channel || !data2->channel ||
483 data->channel->center_freq != data2->channel->center_freq ||
484 !(data->group & data2->group))
485 continue;
486
487 nskb = skb_copy(skb, GFP_ATOMIC);
488 if (nskb == NULL)
489 continue;
490
491 if (memcmp(hdr->addr1, data2->hw->wiphy->perm_addr,
492 ETH_ALEN) == 0)
493 ack = true;
494 memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status));
495 ieee80211_rx_irqsafe(data2->hw, nskb);
496 }
497 spin_unlock(&hwsim_radio_lock);
498
499 return ack;
500 }
501
502
503 static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
504 {
505 bool ack;
506 struct ieee80211_tx_info *txi;
507
508 mac80211_hwsim_monitor_rx(hw, skb);
509
510 if (skb->len < 10) {
511 /* Should not happen; just a sanity check for addr1 use */
512 dev_kfree_skb(skb);
513 return NETDEV_TX_OK;
514 }
515
516 ack = mac80211_hwsim_tx_frame(hw, skb);
517 if (ack && skb->len >= 16) {
518 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
519 mac80211_hwsim_monitor_ack(hw, hdr->addr2);
520 }
521
522 txi = IEEE80211_SKB_CB(skb);
523
524 if (txi->control.vif)
525 hwsim_check_magic(txi->control.vif);
526 if (txi->control.sta)
527 hwsim_check_sta_magic(txi->control.sta);
528
529 ieee80211_tx_info_clear_status(txi);
530 if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK) && ack)
531 txi->flags |= IEEE80211_TX_STAT_ACK;
532 ieee80211_tx_status_irqsafe(hw, skb);
533 return NETDEV_TX_OK;
534 }
535
536
537 static int mac80211_hwsim_start(struct ieee80211_hw *hw)
538 {
539 struct mac80211_hwsim_data *data = hw->priv;
540 printk(KERN_DEBUG "%s:%s\n", wiphy_name(hw->wiphy), __func__);
541 data->started = 1;
542 return 0;
543 }
544
545
546 static void mac80211_hwsim_stop(struct ieee80211_hw *hw)
547 {
548 struct mac80211_hwsim_data *data = hw->priv;
549 data->started = 0;
550 del_timer(&data->beacon_timer);
551 printk(KERN_DEBUG "%s:%s\n", wiphy_name(hw->wiphy), __func__);
552 }
553
554
555 static int mac80211_hwsim_add_interface(struct ieee80211_hw *hw,
556 struct ieee80211_if_init_conf *conf)
557 {
558 printk(KERN_DEBUG "%s:%s (type=%d mac_addr=%pM)\n",
559 wiphy_name(hw->wiphy), __func__, conf->type,
560 conf->mac_addr);
561 hwsim_set_magic(conf->vif);
562 return 0;
563 }
564
565
566 static void mac80211_hwsim_remove_interface(
567 struct ieee80211_hw *hw, struct ieee80211_if_init_conf *conf)
568 {
569 printk(KERN_DEBUG "%s:%s (type=%d mac_addr=%pM)\n",
570 wiphy_name(hw->wiphy), __func__, conf->type,
571 conf->mac_addr);
572 hwsim_check_magic(conf->vif);
573 hwsim_clear_magic(conf->vif);
574 }
575
576
577 static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
578 struct ieee80211_vif *vif)
579 {
580 struct ieee80211_hw *hw = arg;
581 struct sk_buff *skb;
582 struct ieee80211_tx_info *info;
583
584 hwsim_check_magic(vif);
585
586 if (vif->type != NL80211_IFTYPE_AP &&
587 vif->type != NL80211_IFTYPE_MESH_POINT)
588 return;
589
590 skb = ieee80211_beacon_get(hw, vif);
591 if (skb == NULL)
592 return;
593 info = IEEE80211_SKB_CB(skb);
594
595 mac80211_hwsim_monitor_rx(hw, skb);
596 mac80211_hwsim_tx_frame(hw, skb);
597 dev_kfree_skb(skb);
598 }
599
600
601 static void mac80211_hwsim_beacon(unsigned long arg)
602 {
603 struct ieee80211_hw *hw = (struct ieee80211_hw *) arg;
604 struct mac80211_hwsim_data *data = hw->priv;
605
606 if (!data->started)
607 return;
608
609 ieee80211_iterate_active_interfaces_atomic(
610 hw, mac80211_hwsim_beacon_tx, hw);
611
612 data->beacon_timer.expires = jiffies + data->beacon_int;
613 add_timer(&data->beacon_timer);
614 }
615
616
617 static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
618 {
619 struct mac80211_hwsim_data *data = hw->priv;
620 struct ieee80211_conf *conf = &hw->conf;
621
622 printk(KERN_DEBUG "%s:%s (freq=%d idle=%d ps=%d)\n",
623 wiphy_name(hw->wiphy), __func__,
624 conf->channel->center_freq,
625 !!(conf->flags & IEEE80211_CONF_IDLE),
626 !!(conf->flags & IEEE80211_CONF_PS));
627
628 data->idle = !!(conf->flags & IEEE80211_CONF_IDLE);
629
630 data->channel = conf->channel;
631 if (!data->started || !data->beacon_int)
632 del_timer(&data->beacon_timer);
633 else
634 mod_timer(&data->beacon_timer, jiffies + data->beacon_int);
635
636 return 0;
637 }
638
639
640 static void mac80211_hwsim_configure_filter(struct ieee80211_hw *hw,
641 unsigned int changed_flags,
642 unsigned int *total_flags,u64 multicast)
643 {
644 struct mac80211_hwsim_data *data = hw->priv;
645
646 printk(KERN_DEBUG "%s:%s\n", wiphy_name(hw->wiphy), __func__);
647
648 data->rx_filter = 0;
649 if (*total_flags & FIF_PROMISC_IN_BSS)
650 data->rx_filter |= FIF_PROMISC_IN_BSS;
651 if (*total_flags & FIF_ALLMULTI)
652 data->rx_filter |= FIF_ALLMULTI;
653
654 *total_flags = data->rx_filter;
655 }
656
657 static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw,
658 struct ieee80211_vif *vif,
659 struct ieee80211_bss_conf *info,
660 u32 changed)
661 {
662 struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
663 struct mac80211_hwsim_data *data = hw->priv;
664
665 hwsim_check_magic(vif);
666
667 printk(KERN_DEBUG "%s:%s(changed=0x%x)\n",
668 wiphy_name(hw->wiphy), __func__, changed);
669
670 if (changed & BSS_CHANGED_BSSID) {
671 printk(KERN_DEBUG "%s:%s: BSSID changed: %pM\n",
672 wiphy_name(hw->wiphy), __func__,
673 info->bssid);
674 memcpy(vp->bssid, info->bssid, ETH_ALEN);
675 }
676
677 if (changed & BSS_CHANGED_ASSOC) {
678 printk(KERN_DEBUG " %s: ASSOC: assoc=%d aid=%d\n",
679 wiphy_name(hw->wiphy), info->assoc, info->aid);
680 vp->assoc = info->assoc;
681 vp->aid = info->aid;
682 }
683
684 if (changed & BSS_CHANGED_BEACON_INT) {
685 printk(KERN_DEBUG " %s: BCNINT: %d\n",
686 wiphy_name(hw->wiphy), info->beacon_int);
687 data->beacon_int = 1024 * info->beacon_int / 1000 * HZ / 1000;
688 if (WARN_ON(!data->beacon_int))
689 data->beacon_int = 1;
690 if (data->started)
691 mod_timer(&data->beacon_timer,
692 jiffies + data->beacon_int);
693 }
694
695 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
696 printk(KERN_DEBUG " %s: ERP_CTS_PROT: %d\n",
697 wiphy_name(hw->wiphy), info->use_cts_prot);
698 }
699
700 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
701 printk(KERN_DEBUG " %s: ERP_PREAMBLE: %d\n",
702 wiphy_name(hw->wiphy), info->use_short_preamble);
703 }
704
705 if (changed & BSS_CHANGED_ERP_SLOT) {
706 printk(KERN_DEBUG " %s: ERP_SLOT: %d\n",
707 wiphy_name(hw->wiphy), info->use_short_slot);
708 }
709
710 if (changed & BSS_CHANGED_HT) {
711 printk(KERN_DEBUG " %s: HT: op_mode=0x%x\n",
712 wiphy_name(hw->wiphy),
713 info->ht_operation_mode);
714 }
715
716 if (changed & BSS_CHANGED_BASIC_RATES) {
717 printk(KERN_DEBUG " %s: BASIC_RATES: 0x%llx\n",
718 wiphy_name(hw->wiphy),
719 (unsigned long long) info->basic_rates);
720 }
721 }
722
723 static void mac80211_hwsim_sta_notify(struct ieee80211_hw *hw,
724 struct ieee80211_vif *vif,
725 enum sta_notify_cmd cmd,
726 struct ieee80211_sta *sta)
727 {
728 hwsim_check_magic(vif);
729 switch (cmd) {
730 case STA_NOTIFY_ADD:
731 hwsim_set_sta_magic(sta);
732 break;
733 case STA_NOTIFY_REMOVE:
734 hwsim_clear_sta_magic(sta);
735 break;
736 case STA_NOTIFY_SLEEP:
737 case STA_NOTIFY_AWAKE:
738 /* TODO: make good use of these flags */
739 break;
740 }
741 }
742
743 static int mac80211_hwsim_set_tim(struct ieee80211_hw *hw,
744 struct ieee80211_sta *sta,
745 bool set)
746 {
747 hwsim_check_sta_magic(sta);
748 return 0;
749 }
750
751 static int mac80211_hwsim_conf_tx(
752 struct ieee80211_hw *hw, u16 queue,
753 const struct ieee80211_tx_queue_params *params)
754 {
755 printk(KERN_DEBUG "%s:%s (queue=%d txop=%d cw_min=%d cw_max=%d "
756 "aifs=%d)\n",
757 wiphy_name(hw->wiphy), __func__, queue,
758 params->txop, params->cw_min, params->cw_max, params->aifs);
759 return 0;
760 }
761
762 #ifdef CONFIG_NL80211_TESTMODE
763 /*
764 * This section contains example code for using netlink
765 * attributes with the testmode command in nl80211.
766 */
767
768 /* These enums need to be kept in sync with userspace */
769 enum hwsim_testmode_attr {
770 __HWSIM_TM_ATTR_INVALID = 0,
771 HWSIM_TM_ATTR_CMD = 1,
772 HWSIM_TM_ATTR_PS = 2,
773
774 /* keep last */
775 __HWSIM_TM_ATTR_AFTER_LAST,
776 HWSIM_TM_ATTR_MAX = __HWSIM_TM_ATTR_AFTER_LAST - 1
777 };
778
779 enum hwsim_testmode_cmd {
780 HWSIM_TM_CMD_SET_PS = 0,
781 HWSIM_TM_CMD_GET_PS = 1,
782 };
783
784 static const struct nla_policy hwsim_testmode_policy[HWSIM_TM_ATTR_MAX + 1] = {
785 [HWSIM_TM_ATTR_CMD] = { .type = NLA_U32 },
786 [HWSIM_TM_ATTR_PS] = { .type = NLA_U32 },
787 };
788
789 static int hwsim_fops_ps_write(void *dat, u64 val);
790
791 static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw,
792 void *data, int len)
793 {
794 struct mac80211_hwsim_data *hwsim = hw->priv;
795 struct nlattr *tb[HWSIM_TM_ATTR_MAX + 1];
796 struct sk_buff *skb;
797 int err, ps;
798
799 err = nla_parse(tb, HWSIM_TM_ATTR_MAX, data, len,
800 hwsim_testmode_policy);
801 if (err)
802 return err;
803
804 if (!tb[HWSIM_TM_ATTR_CMD])
805 return -EINVAL;
806
807 switch (nla_get_u32(tb[HWSIM_TM_ATTR_CMD])) {
808 case HWSIM_TM_CMD_SET_PS:
809 if (!tb[HWSIM_TM_ATTR_PS])
810 return -EINVAL;
811 ps = nla_get_u32(tb[HWSIM_TM_ATTR_PS]);
812 return hwsim_fops_ps_write(hwsim, ps);
813 case HWSIM_TM_CMD_GET_PS:
814 skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
815 nla_total_size(sizeof(u32)));
816 if (!skb)
817 return -ENOMEM;
818 NLA_PUT_U32(skb, HWSIM_TM_ATTR_PS, hwsim->ps);
819 return cfg80211_testmode_reply(skb);
820 default:
821 return -EOPNOTSUPP;
822 }
823
824 nla_put_failure:
825 kfree_skb(skb);
826 return -ENOBUFS;
827 }
828 #endif
829
830 static const struct ieee80211_ops mac80211_hwsim_ops =
831 {
832 .tx = mac80211_hwsim_tx,
833 .start = mac80211_hwsim_start,
834 .stop = mac80211_hwsim_stop,
835 .add_interface = mac80211_hwsim_add_interface,
836 .remove_interface = mac80211_hwsim_remove_interface,
837 .config = mac80211_hwsim_config,
838 .configure_filter = mac80211_hwsim_configure_filter,
839 .bss_info_changed = mac80211_hwsim_bss_info_changed,
840 .sta_notify = mac80211_hwsim_sta_notify,
841 .set_tim = mac80211_hwsim_set_tim,
842 .conf_tx = mac80211_hwsim_conf_tx,
843 CFG80211_TESTMODE_CMD(mac80211_hwsim_testmode_cmd)
844 };
845
846
847 static void mac80211_hwsim_free(void)
848 {
849 struct list_head tmplist, *i, *tmp;
850 struct mac80211_hwsim_data *data, *tmpdata;
851
852 INIT_LIST_HEAD(&tmplist);
853
854 spin_lock_bh(&hwsim_radio_lock);
855 list_for_each_safe(i, tmp, &hwsim_radios)
856 list_move(i, &tmplist);
857 spin_unlock_bh(&hwsim_radio_lock);
858
859 list_for_each_entry_safe(data, tmpdata, &tmplist, list) {
860 debugfs_remove(data->debugfs_group);
861 debugfs_remove(data->debugfs_ps);
862 debugfs_remove(data->debugfs);
863 ieee80211_unregister_hw(data->hw);
864 device_unregister(data->dev);
865 ieee80211_free_hw(data->hw);
866 }
867 class_destroy(hwsim_class);
868 }
869
870
871 static struct device_driver mac80211_hwsim_driver = {
872 .name = "mac80211_hwsim"
873 };
874
875 static const struct net_device_ops hwsim_netdev_ops = {
876 .ndo_start_xmit = hwsim_mon_xmit,
877 .ndo_change_mtu = eth_change_mtu,
878 .ndo_set_mac_address = eth_mac_addr,
879 .ndo_validate_addr = eth_validate_addr,
880 };
881
882 static void hwsim_mon_setup(struct net_device *dev)
883 {
884 dev->netdev_ops = &hwsim_netdev_ops;
885 dev->destructor = free_netdev;
886 ether_setup(dev);
887 dev->tx_queue_len = 0;
888 dev->type = ARPHRD_IEEE80211_RADIOTAP;
889 memset(dev->dev_addr, 0, ETH_ALEN);
890 dev->dev_addr[0] = 0x12;
891 }
892
893
894 static void hwsim_send_ps_poll(void *dat, u8 *mac, struct ieee80211_vif *vif)
895 {
896 struct mac80211_hwsim_data *data = dat;
897 struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
898 struct sk_buff *skb;
899 struct ieee80211_pspoll *pspoll;
900
901 if (!vp->assoc)
902 return;
903
904 printk(KERN_DEBUG "%s:%s: send PS-Poll to %pM for aid %d\n",
905 wiphy_name(data->hw->wiphy), __func__, vp->bssid, vp->aid);
906
907 skb = dev_alloc_skb(sizeof(*pspoll));
908 if (!skb)
909 return;
910 pspoll = (void *) skb_put(skb, sizeof(*pspoll));
911 pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
912 IEEE80211_STYPE_PSPOLL |
913 IEEE80211_FCTL_PM);
914 pspoll->aid = cpu_to_le16(0xc000 | vp->aid);
915 memcpy(pspoll->bssid, vp->bssid, ETH_ALEN);
916 memcpy(pspoll->ta, mac, ETH_ALEN);
917 if (!mac80211_hwsim_tx_frame(data->hw, skb))
918 printk(KERN_DEBUG "%s: PS-Poll frame not ack'ed\n", __func__);
919 dev_kfree_skb(skb);
920 }
921
922
923 static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac,
924 struct ieee80211_vif *vif, int ps)
925 {
926 struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
927 struct sk_buff *skb;
928 struct ieee80211_hdr *hdr;
929
930 if (!vp->assoc)
931 return;
932
933 printk(KERN_DEBUG "%s:%s: send data::nullfunc to %pM ps=%d\n",
934 wiphy_name(data->hw->wiphy), __func__, vp->bssid, ps);
935
936 skb = dev_alloc_skb(sizeof(*hdr));
937 if (!skb)
938 return;
939 hdr = (void *) skb_put(skb, sizeof(*hdr) - ETH_ALEN);
940 hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
941 IEEE80211_STYPE_NULLFUNC |
942 (ps ? IEEE80211_FCTL_PM : 0));
943 hdr->duration_id = cpu_to_le16(0);
944 memcpy(hdr->addr1, vp->bssid, ETH_ALEN);
945 memcpy(hdr->addr2, mac, ETH_ALEN);
946 memcpy(hdr->addr3, vp->bssid, ETH_ALEN);
947 if (!mac80211_hwsim_tx_frame(data->hw, skb))
948 printk(KERN_DEBUG "%s: nullfunc frame not ack'ed\n", __func__);
949 dev_kfree_skb(skb);
950 }
951
952
953 static void hwsim_send_nullfunc_ps(void *dat, u8 *mac,
954 struct ieee80211_vif *vif)
955 {
956 struct mac80211_hwsim_data *data = dat;
957 hwsim_send_nullfunc(data, mac, vif, 1);
958 }
959
960
961 static void hwsim_send_nullfunc_no_ps(void *dat, u8 *mac,
962 struct ieee80211_vif *vif)
963 {
964 struct mac80211_hwsim_data *data = dat;
965 hwsim_send_nullfunc(data, mac, vif, 0);
966 }
967
968
969 static int hwsim_fops_ps_read(void *dat, u64 *val)
970 {
971 struct mac80211_hwsim_data *data = dat;
972 *val = data->ps;
973 return 0;
974 }
975
976 static int hwsim_fops_ps_write(void *dat, u64 val)
977 {
978 struct mac80211_hwsim_data *data = dat;
979 enum ps_mode old_ps;
980
981 if (val != PS_DISABLED && val != PS_ENABLED && val != PS_AUTO_POLL &&
982 val != PS_MANUAL_POLL)
983 return -EINVAL;
984
985 old_ps = data->ps;
986 data->ps = val;
987
988 if (val == PS_MANUAL_POLL) {
989 ieee80211_iterate_active_interfaces(data->hw,
990 hwsim_send_ps_poll, data);
991 data->ps_poll_pending = true;
992 } else if (old_ps == PS_DISABLED && val != PS_DISABLED) {
993 ieee80211_iterate_active_interfaces(data->hw,
994 hwsim_send_nullfunc_ps,
995 data);
996 } else if (old_ps != PS_DISABLED && val == PS_DISABLED) {
997 ieee80211_iterate_active_interfaces(data->hw,
998 hwsim_send_nullfunc_no_ps,
999 data);
1000 }
1001
1002 return 0;
1003 }
1004
1005 DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write,
1006 "%llu\n");
1007
1008
1009 static int hwsim_fops_group_read(void *dat, u64 *val)
1010 {
1011 struct mac80211_hwsim_data *data = dat;
1012 *val = data->group;
1013 return 0;
1014 }
1015
1016 static int hwsim_fops_group_write(void *dat, u64 val)
1017 {
1018 struct mac80211_hwsim_data *data = dat;
1019 data->group = val;
1020 return 0;
1021 }
1022
1023 DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group,
1024 hwsim_fops_group_read, hwsim_fops_group_write,
1025 "%llx\n");
1026
1027 static int __init init_mac80211_hwsim(void)
1028 {
1029 int i, err = 0;
1030 u8 addr[ETH_ALEN];
1031 struct mac80211_hwsim_data *data;
1032 struct ieee80211_hw *hw;
1033 enum ieee80211_band band;
1034
1035 if (radios < 1 || radios > 100)
1036 return -EINVAL;
1037
1038 spin_lock_init(&hwsim_radio_lock);
1039 INIT_LIST_HEAD(&hwsim_radios);
1040
1041 hwsim_class = class_create(THIS_MODULE, "mac80211_hwsim");
1042 if (IS_ERR(hwsim_class))
1043 return PTR_ERR(hwsim_class);
1044
1045 memset(addr, 0, ETH_ALEN);
1046 addr[0] = 0x02;
1047
1048 for (i = 0; i < radios; i++) {
1049 printk(KERN_DEBUG "mac80211_hwsim: Initializing radio %d\n",
1050 i);
1051 hw = ieee80211_alloc_hw(sizeof(*data), &mac80211_hwsim_ops);
1052 if (!hw) {
1053 printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw "
1054 "failed\n");
1055 err = -ENOMEM;
1056 goto failed;
1057 }
1058 data = hw->priv;
1059 data->hw = hw;
1060
1061 data->dev = device_create(hwsim_class, NULL, 0, hw,
1062 "hwsim%d", i);
1063 if (IS_ERR(data->dev)) {
1064 printk(KERN_DEBUG
1065 "mac80211_hwsim: device_create "
1066 "failed (%ld)\n", PTR_ERR(data->dev));
1067 err = -ENOMEM;
1068 goto failed_drvdata;
1069 }
1070 data->dev->driver = &mac80211_hwsim_driver;
1071
1072 SET_IEEE80211_DEV(hw, data->dev);
1073 addr[3] = i >> 8;
1074 addr[4] = i;
1075 SET_IEEE80211_PERM_ADDR(hw, addr);
1076
1077 hw->channel_change_time = 1;
1078 hw->queues = 4;
1079 hw->wiphy->interface_modes =
1080 BIT(NL80211_IFTYPE_STATION) |
1081 BIT(NL80211_IFTYPE_AP) |
1082 BIT(NL80211_IFTYPE_MESH_POINT);
1083
1084 hw->flags = IEEE80211_HW_MFP_CAPABLE |
1085 IEEE80211_HW_SIGNAL_DBM;
1086
1087 /* ask mac80211 to reserve space for magic */
1088 hw->vif_data_size = sizeof(struct hwsim_vif_priv);
1089 hw->sta_data_size = sizeof(struct hwsim_sta_priv);
1090
1091 memcpy(data->channels_2ghz, hwsim_channels_2ghz,
1092 sizeof(hwsim_channels_2ghz));
1093 memcpy(data->channels_5ghz, hwsim_channels_5ghz,
1094 sizeof(hwsim_channels_5ghz));
1095 memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
1096
1097 for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
1098 struct ieee80211_supported_band *sband = &data->bands[band];
1099 switch (band) {
1100 case IEEE80211_BAND_2GHZ:
1101 sband->channels = data->channels_2ghz;
1102 sband->n_channels =
1103 ARRAY_SIZE(hwsim_channels_2ghz);
1104 sband->bitrates = data->rates;
1105 sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
1106 break;
1107 case IEEE80211_BAND_5GHZ:
1108 sband->channels = data->channels_5ghz;
1109 sband->n_channels =
1110 ARRAY_SIZE(hwsim_channels_5ghz);
1111 sband->bitrates = data->rates + 4;
1112 sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
1113 break;
1114 default:
1115 break;
1116 }
1117
1118 sband->ht_cap.ht_supported = true;
1119 sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
1120 IEEE80211_HT_CAP_GRN_FLD |
1121 IEEE80211_HT_CAP_SGI_40 |
1122 IEEE80211_HT_CAP_DSSSCCK40;
1123 sband->ht_cap.ampdu_factor = 0x3;
1124 sband->ht_cap.ampdu_density = 0x6;
1125 memset(&sband->ht_cap.mcs, 0,
1126 sizeof(sband->ht_cap.mcs));
1127 sband->ht_cap.mcs.rx_mask[0] = 0xff;
1128 sband->ht_cap.mcs.rx_mask[1] = 0xff;
1129 sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
1130
1131 hw->wiphy->bands[band] = sband;
1132 }
1133 /* By default all radios are belonging to the first group */
1134 data->group = 1;
1135
1136 /* Work to be done prior to ieee80211_register_hw() */
1137 switch (regtest) {
1138 case HWSIM_REGTEST_DISABLED:
1139 case HWSIM_REGTEST_DRIVER_REG_FOLLOW:
1140 case HWSIM_REGTEST_DRIVER_REG_ALL:
1141 case HWSIM_REGTEST_DIFF_COUNTRY:
1142 /*
1143 * Nothing to be done for driver regulatory domain
1144 * hints prior to ieee80211_register_hw()
1145 */
1146 break;
1147 case HWSIM_REGTEST_WORLD_ROAM:
1148 if (i == 0) {
1149 hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
1150 wiphy_apply_custom_regulatory(hw->wiphy,
1151 &hwsim_world_regdom_custom_01);
1152 }
1153 break;
1154 case HWSIM_REGTEST_CUSTOM_WORLD:
1155 hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
1156 wiphy_apply_custom_regulatory(hw->wiphy,
1157 &hwsim_world_regdom_custom_01);
1158 break;
1159 case HWSIM_REGTEST_CUSTOM_WORLD_2:
1160 if (i == 0) {
1161 hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
1162 wiphy_apply_custom_regulatory(hw->wiphy,
1163 &hwsim_world_regdom_custom_01);
1164 } else if (i == 1) {
1165 hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
1166 wiphy_apply_custom_regulatory(hw->wiphy,
1167 &hwsim_world_regdom_custom_02);
1168 }
1169 break;
1170 case HWSIM_REGTEST_STRICT_ALL:
1171 hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
1172 break;
1173 case HWSIM_REGTEST_STRICT_FOLLOW:
1174 case HWSIM_REGTEST_STRICT_AND_DRIVER_REG:
1175 if (i == 0)
1176 hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
1177 break;
1178 case HWSIM_REGTEST_ALL:
1179 if (i == 0) {
1180 hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
1181 wiphy_apply_custom_regulatory(hw->wiphy,
1182 &hwsim_world_regdom_custom_01);
1183 } else if (i == 1) {
1184 hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
1185 wiphy_apply_custom_regulatory(hw->wiphy,
1186 &hwsim_world_regdom_custom_02);
1187 } else if (i == 4)
1188 hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
1189 break;
1190 default:
1191 break;
1192 }
1193
1194 /* give the regulatory workqueue a chance to run */
1195 if (regtest)
1196 schedule_timeout_interruptible(1);
1197 err = ieee80211_register_hw(hw);
1198 if (err < 0) {
1199 printk(KERN_DEBUG "mac80211_hwsim: "
1200 "ieee80211_register_hw failed (%d)\n", err);
1201 goto failed_hw;
1202 }
1203
1204 /* Work to be done after to ieee80211_register_hw() */
1205 switch (regtest) {
1206 case HWSIM_REGTEST_WORLD_ROAM:
1207 case HWSIM_REGTEST_DISABLED:
1208 break;
1209 case HWSIM_REGTEST_DRIVER_REG_FOLLOW:
1210 if (!i)
1211 regulatory_hint(hw->wiphy, hwsim_alpha2s[0]);
1212 break;
1213 case HWSIM_REGTEST_DRIVER_REG_ALL:
1214 case HWSIM_REGTEST_STRICT_ALL:
1215 regulatory_hint(hw->wiphy, hwsim_alpha2s[0]);
1216 break;
1217 case HWSIM_REGTEST_DIFF_COUNTRY:
1218 if (i < ARRAY_SIZE(hwsim_alpha2s))
1219 regulatory_hint(hw->wiphy, hwsim_alpha2s[i]);
1220 break;
1221 case HWSIM_REGTEST_CUSTOM_WORLD:
1222 case HWSIM_REGTEST_CUSTOM_WORLD_2:
1223 /*
1224 * Nothing to be done for custom world regulatory
1225 * domains after to ieee80211_register_hw
1226 */
1227 break;
1228 case HWSIM_REGTEST_STRICT_FOLLOW:
1229 if (i == 0)
1230 regulatory_hint(hw->wiphy, hwsim_alpha2s[0]);
1231 break;
1232 case HWSIM_REGTEST_STRICT_AND_DRIVER_REG:
1233 if (i == 0)
1234 regulatory_hint(hw->wiphy, hwsim_alpha2s[0]);
1235 else if (i == 1)
1236 regulatory_hint(hw->wiphy, hwsim_alpha2s[1]);
1237 break;
1238 case HWSIM_REGTEST_ALL:
1239 if (i == 2)
1240 regulatory_hint(hw->wiphy, hwsim_alpha2s[0]);
1241 else if (i == 3)
1242 regulatory_hint(hw->wiphy, hwsim_alpha2s[1]);
1243 else if (i == 4)
1244 regulatory_hint(hw->wiphy, hwsim_alpha2s[2]);
1245 break;
1246 default:
1247 break;
1248 }
1249
1250 printk(KERN_DEBUG "%s: hwaddr %pM registered\n",
1251 wiphy_name(hw->wiphy),
1252 hw->wiphy->perm_addr);
1253
1254 data->debugfs = debugfs_create_dir("hwsim",
1255 hw->wiphy->debugfsdir);
1256 data->debugfs_ps = debugfs_create_file("ps", 0666,
1257 data->debugfs, data,
1258 &hwsim_fops_ps);
1259 data->debugfs_group = debugfs_create_file("group", 0666,
1260 data->debugfs, data,
1261 &hwsim_fops_group);
1262
1263 setup_timer(&data->beacon_timer, mac80211_hwsim_beacon,
1264 (unsigned long) hw);
1265
1266 list_add_tail(&data->list, &hwsim_radios);
1267 }
1268
1269 hwsim_mon = alloc_netdev(0, "hwsim%d", hwsim_mon_setup);
1270 if (hwsim_mon == NULL)
1271 goto failed;
1272
1273 rtnl_lock();
1274
1275 err = dev_alloc_name(hwsim_mon, hwsim_mon->name);
1276 if (err < 0)
1277 goto failed_mon;
1278
1279
1280 err = register_netdevice(hwsim_mon);
1281 if (err < 0)
1282 goto failed_mon;
1283
1284 rtnl_unlock();
1285
1286 return 0;
1287
1288 failed_mon:
1289 rtnl_unlock();
1290 free_netdev(hwsim_mon);
1291 mac80211_hwsim_free();
1292 return err;
1293
1294 failed_hw:
1295 device_unregister(data->dev);
1296 failed_drvdata:
1297 ieee80211_free_hw(hw);
1298 failed:
1299 mac80211_hwsim_free();
1300 return err;
1301 }
1302
1303
1304 static void __exit exit_mac80211_hwsim(void)
1305 {
1306 printk(KERN_DEBUG "mac80211_hwsim: unregister radios\n");
1307
1308 mac80211_hwsim_free();
1309 unregister_netdev(hwsim_mon);
1310 }
1311
1312
1313 module_init(init_mac80211_hwsim);
1314 module_exit(exit_mac80211_hwsim);