Commit | Line | Data |
---|---|---|
acc1e7a3 JM |
1 | /* |
2 | * mac80211_hwsim - software simulator of 802.11 radio(s) for mac80211 | |
3 | * Copyright (c) 2008, Jouni Malinen <j@w1.fi> | |
7882513b | 4 | * Copyright (c) 2011, Javier Lopez <jlopex@gmail.com> |
acc1e7a3 JM |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | /* | |
12 | * TODO: | |
2b2d7795 JB |
13 | * - Add TSF sync and fix IBSS beacon transmission by adding |
14 | * competition for "air time" at TBTT | |
acc1e7a3 JM |
15 | * - RX filtering based on filter configuration (data->rx_filter) |
16 | */ | |
17 | ||
0e057d73 | 18 | #include <linux/list.h> |
5a0e3ad6 | 19 | #include <linux/slab.h> |
0e057d73 | 20 | #include <linux/spinlock.h> |
90e3012e JB |
21 | #include <net/dst.h> |
22 | #include <net/xfrm.h> | |
acc1e7a3 JM |
23 | #include <net/mac80211.h> |
24 | #include <net/ieee80211_radiotap.h> | |
25 | #include <linux/if_arp.h> | |
26 | #include <linux/rtnetlink.h> | |
27 | #include <linux/etherdevice.h> | |
9ea92774 | 28 | #include <linux/platform_device.h> |
fc6971d4 | 29 | #include <linux/debugfs.h> |
9d9779e7 | 30 | #include <linux/module.h> |
2f40b940 | 31 | #include <linux/ktime.h> |
7882513b | 32 | #include <net/genetlink.h> |
100cb9ff MW |
33 | #include <net/net_namespace.h> |
34 | #include <net/netns/generic.h> | |
7882513b JL |
35 | #include "mac80211_hwsim.h" |
36 | ||
37 | #define WARN_QUEUE 100 | |
38 | #define MAX_QUEUE 200 | |
acc1e7a3 JM |
39 | |
40 | MODULE_AUTHOR("Jouni Malinen"); | |
41 | MODULE_DESCRIPTION("Software simulator of 802.11 radio(s) for mac80211"); | |
42 | MODULE_LICENSE("GPL"); | |
43 | ||
44 | static int radios = 2; | |
45 | module_param(radios, int, 0444); | |
46 | MODULE_PARM_DESC(radios, "Number of simulated radios"); | |
47 | ||
e8261171 JB |
48 | static int channels = 1; |
49 | module_param(channels, int, 0444); | |
50 | MODULE_PARM_DESC(channels, "Number of concurrent channels"); | |
69068036 | 51 | |
a357d7f9 JB |
52 | static bool paged_rx = false; |
53 | module_param(paged_rx, bool, 0644); | |
54 | MODULE_PARM_DESC(paged_rx, "Use paged SKBs for RX instead of linear ones"); | |
55 | ||
1eb32179 KB |
56 | static bool rctbl = false; |
57 | module_param(rctbl, bool, 0444); | |
58 | MODULE_PARM_DESC(rctbl, "Handle rate control table"); | |
59 | ||
8c66a3d9 JB |
60 | static bool support_p2p_device = true; |
61 | module_param(support_p2p_device, bool, 0444); | |
62 | MODULE_PARM_DESC(support_p2p_device, "Support P2P-Device interface type"); | |
63 | ||
4a5af9c2 LR |
64 | /** |
65 | * enum hwsim_regtest - the type of regulatory tests we offer | |
66 | * | |
67 | * These are the different values you can use for the regtest | |
68 | * module parameter. This is useful to help test world roaming | |
69 | * and the driver regulatory_hint() call and combinations of these. | |
70 | * If you want to do specific alpha2 regulatory domain tests simply | |
71 | * use the userspace regulatory request as that will be respected as | |
72 | * well without the need of this module parameter. This is designed | |
73 | * only for testing the driver regulatory request, world roaming | |
74 | * and all possible combinations. | |
75 | * | |
76 | * @HWSIM_REGTEST_DISABLED: No regulatory tests are performed, | |
77 | * this is the default value. | |
78 | * @HWSIM_REGTEST_DRIVER_REG_FOLLOW: Used for testing the driver regulatory | |
79 | * hint, only one driver regulatory hint will be sent as such the | |
80 | * secondary radios are expected to follow. | |
81 | * @HWSIM_REGTEST_DRIVER_REG_ALL: Used for testing the driver regulatory | |
82 | * request with all radios reporting the same regulatory domain. | |
83 | * @HWSIM_REGTEST_DIFF_COUNTRY: Used for testing the drivers calling | |
84 | * different regulatory domains requests. Expected behaviour is for | |
85 | * an intersection to occur but each device will still use their | |
86 | * respective regulatory requested domains. Subsequent radios will | |
87 | * use the resulting intersection. | |
25985edc | 88 | * @HWSIM_REGTEST_WORLD_ROAM: Used for testing the world roaming. We accomplish |
4a5af9c2 LR |
89 | * this by using a custom beacon-capable regulatory domain for the first |
90 | * radio. All other device world roam. | |
91 | * @HWSIM_REGTEST_CUSTOM_WORLD: Used for testing the custom world regulatory | |
92 | * domain requests. All radios will adhere to this custom world regulatory | |
93 | * domain. | |
94 | * @HWSIM_REGTEST_CUSTOM_WORLD_2: Used for testing 2 custom world regulatory | |
95 | * domain requests. The first radio will adhere to the first custom world | |
96 | * regulatory domain, the second one to the second custom world regulatory | |
97 | * domain. All other devices will world roam. | |
98 | * @HWSIM_REGTEST_STRICT_FOLLOW_: Used for testing strict regulatory domain | |
99 | * settings, only the first radio will send a regulatory domain request | |
100 | * and use strict settings. The rest of the radios are expected to follow. | |
101 | * @HWSIM_REGTEST_STRICT_ALL: Used for testing strict regulatory domain | |
102 | * settings. All radios will adhere to this. | |
103 | * @HWSIM_REGTEST_STRICT_AND_DRIVER_REG: Used for testing strict regulatory | |
104 | * domain settings, combined with secondary driver regulatory domain | |
105 | * settings. The first radio will get a strict regulatory domain setting | |
106 | * using the first driver regulatory request and the second radio will use | |
107 | * non-strict settings using the second driver regulatory request. All | |
108 | * other devices should follow the intersection created between the | |
109 | * first two. | |
110 | * @HWSIM_REGTEST_ALL: Used for testing every possible mix. You will need | |
111 | * at least 6 radios for a complete test. We will test in this order: | |
112 | * 1 - driver custom world regulatory domain | |
113 | * 2 - second custom world regulatory domain | |
114 | * 3 - first driver regulatory domain request | |
115 | * 4 - second driver regulatory domain request | |
116 | * 5 - strict regulatory domain settings using the third driver regulatory | |
117 | * domain request | |
118 | * 6 and on - should follow the intersection of the 3rd, 4rth and 5th radio | |
119 | * regulatory requests. | |
120 | */ | |
121 | enum hwsim_regtest { | |
122 | HWSIM_REGTEST_DISABLED = 0, | |
123 | HWSIM_REGTEST_DRIVER_REG_FOLLOW = 1, | |
124 | HWSIM_REGTEST_DRIVER_REG_ALL = 2, | |
125 | HWSIM_REGTEST_DIFF_COUNTRY = 3, | |
126 | HWSIM_REGTEST_WORLD_ROAM = 4, | |
127 | HWSIM_REGTEST_CUSTOM_WORLD = 5, | |
128 | HWSIM_REGTEST_CUSTOM_WORLD_2 = 6, | |
129 | HWSIM_REGTEST_STRICT_FOLLOW = 7, | |
130 | HWSIM_REGTEST_STRICT_ALL = 8, | |
131 | HWSIM_REGTEST_STRICT_AND_DRIVER_REG = 9, | |
132 | HWSIM_REGTEST_ALL = 10, | |
133 | }; | |
134 | ||
135 | /* Set to one of the HWSIM_REGTEST_* values above */ | |
136 | static int regtest = HWSIM_REGTEST_DISABLED; | |
137 | module_param(regtest, int, 0444); | |
138 | MODULE_PARM_DESC(regtest, "The type of regulatory test we want to run"); | |
139 | ||
140 | static const char *hwsim_alpha2s[] = { | |
141 | "FI", | |
142 | "AL", | |
143 | "US", | |
144 | "DE", | |
145 | "JP", | |
146 | "AL", | |
147 | }; | |
148 | ||
149 | static const struct ieee80211_regdomain hwsim_world_regdom_custom_01 = { | |
150 | .n_reg_rules = 4, | |
151 | .alpha2 = "99", | |
152 | .reg_rules = { | |
153 | REG_RULE(2412-10, 2462+10, 40, 0, 20, 0), | |
154 | REG_RULE(2484-10, 2484+10, 40, 0, 20, 0), | |
155 | REG_RULE(5150-10, 5240+10, 40, 0, 30, 0), | |
156 | REG_RULE(5745-10, 5825+10, 40, 0, 30, 0), | |
157 | } | |
158 | }; | |
159 | ||
160 | static const struct ieee80211_regdomain hwsim_world_regdom_custom_02 = { | |
161 | .n_reg_rules = 2, | |
162 | .alpha2 = "99", | |
163 | .reg_rules = { | |
164 | REG_RULE(2412-10, 2462+10, 40, 0, 20, 0), | |
165 | REG_RULE(5725-10, 5850+10, 40, 0, 30, | |
8fe02e16 | 166 | NL80211_RRF_NO_IR), |
4a5af9c2 LR |
167 | } |
168 | }; | |
169 | ||
26b0e411 JB |
170 | static const struct ieee80211_regdomain *hwsim_world_regdom_custom[] = { |
171 | &hwsim_world_regdom_custom_01, | |
172 | &hwsim_world_regdom_custom_02, | |
173 | }; | |
174 | ||
8aa21e6f JB |
175 | struct hwsim_vif_priv { |
176 | u32 magic; | |
fc6971d4 JM |
177 | u8 bssid[ETH_ALEN]; |
178 | bool assoc; | |
0bb861e6 | 179 | bool bcn_en; |
fc6971d4 | 180 | u16 aid; |
8aa21e6f JB |
181 | }; |
182 | ||
183 | #define HWSIM_VIF_MAGIC 0x69537748 | |
184 | ||
185 | static inline void hwsim_check_magic(struct ieee80211_vif *vif) | |
186 | { | |
187 | struct hwsim_vif_priv *vp = (void *)vif->drv_priv; | |
e8261171 JB |
188 | WARN(vp->magic != HWSIM_VIF_MAGIC, |
189 | "Invalid VIF (%p) magic %#x, %pM, %d/%d\n", | |
190 | vif, vp->magic, vif->addr, vif->type, vif->p2p); | |
8aa21e6f JB |
191 | } |
192 | ||
193 | static inline void hwsim_set_magic(struct ieee80211_vif *vif) | |
194 | { | |
195 | struct hwsim_vif_priv *vp = (void *)vif->drv_priv; | |
196 | vp->magic = HWSIM_VIF_MAGIC; | |
197 | } | |
198 | ||
199 | static inline void hwsim_clear_magic(struct ieee80211_vif *vif) | |
200 | { | |
201 | struct hwsim_vif_priv *vp = (void *)vif->drv_priv; | |
202 | vp->magic = 0; | |
203 | } | |
acc1e7a3 | 204 | |
81c06523 JB |
205 | struct hwsim_sta_priv { |
206 | u32 magic; | |
207 | }; | |
208 | ||
e8261171 | 209 | #define HWSIM_STA_MAGIC 0x6d537749 |
81c06523 JB |
210 | |
211 | static inline void hwsim_check_sta_magic(struct ieee80211_sta *sta) | |
212 | { | |
213 | struct hwsim_sta_priv *sp = (void *)sta->drv_priv; | |
5d6924ea | 214 | WARN_ON(sp->magic != HWSIM_STA_MAGIC); |
81c06523 JB |
215 | } |
216 | ||
217 | static inline void hwsim_set_sta_magic(struct ieee80211_sta *sta) | |
218 | { | |
219 | struct hwsim_sta_priv *sp = (void *)sta->drv_priv; | |
5d6924ea | 220 | sp->magic = HWSIM_STA_MAGIC; |
81c06523 JB |
221 | } |
222 | ||
223 | static inline void hwsim_clear_sta_magic(struct ieee80211_sta *sta) | |
224 | { | |
225 | struct hwsim_sta_priv *sp = (void *)sta->drv_priv; | |
226 | sp->magic = 0; | |
227 | } | |
228 | ||
e8261171 JB |
229 | struct hwsim_chanctx_priv { |
230 | u32 magic; | |
231 | }; | |
232 | ||
233 | #define HWSIM_CHANCTX_MAGIC 0x6d53774a | |
234 | ||
235 | static inline void hwsim_check_chanctx_magic(struct ieee80211_chanctx_conf *c) | |
236 | { | |
237 | struct hwsim_chanctx_priv *cp = (void *)c->drv_priv; | |
238 | WARN_ON(cp->magic != HWSIM_CHANCTX_MAGIC); | |
239 | } | |
240 | ||
241 | static inline void hwsim_set_chanctx_magic(struct ieee80211_chanctx_conf *c) | |
242 | { | |
243 | struct hwsim_chanctx_priv *cp = (void *)c->drv_priv; | |
244 | cp->magic = HWSIM_CHANCTX_MAGIC; | |
245 | } | |
246 | ||
247 | static inline void hwsim_clear_chanctx_magic(struct ieee80211_chanctx_conf *c) | |
248 | { | |
249 | struct hwsim_chanctx_priv *cp = (void *)c->drv_priv; | |
250 | cp->magic = 0; | |
251 | } | |
252 | ||
f1724b02 | 253 | static int hwsim_net_id; |
100cb9ff MW |
254 | |
255 | static int hwsim_netgroup; | |
256 | ||
257 | struct hwsim_net { | |
258 | int netgroup; | |
f21e4d8e | 259 | u32 wmediumd; |
100cb9ff MW |
260 | }; |
261 | ||
262 | static inline int hwsim_net_get_netgroup(struct net *net) | |
263 | { | |
264 | struct hwsim_net *hwsim_net = net_generic(net, hwsim_net_id); | |
265 | ||
266 | return hwsim_net->netgroup; | |
267 | } | |
268 | ||
269 | static inline void hwsim_net_set_netgroup(struct net *net) | |
270 | { | |
271 | struct hwsim_net *hwsim_net = net_generic(net, hwsim_net_id); | |
272 | ||
273 | hwsim_net->netgroup = hwsim_netgroup++; | |
274 | } | |
275 | ||
f21e4d8e MW |
276 | static inline u32 hwsim_net_get_wmediumd(struct net *net) |
277 | { | |
278 | struct hwsim_net *hwsim_net = net_generic(net, hwsim_net_id); | |
279 | ||
280 | return hwsim_net->wmediumd; | |
281 | } | |
282 | ||
283 | static inline void hwsim_net_set_wmediumd(struct net *net, u32 portid) | |
284 | { | |
285 | struct hwsim_net *hwsim_net = net_generic(net, hwsim_net_id); | |
286 | ||
287 | hwsim_net->wmediumd = portid; | |
288 | } | |
289 | ||
acc1e7a3 JM |
290 | static struct class *hwsim_class; |
291 | ||
acc1e7a3 JM |
292 | static struct net_device *hwsim_mon; /* global monitor netdev */ |
293 | ||
22cad735 | 294 | #define CHAN2G(_freq) { \ |
57fbcce3 | 295 | .band = NL80211_BAND_2GHZ, \ |
22cad735 LR |
296 | .center_freq = (_freq), \ |
297 | .hw_value = (_freq), \ | |
298 | .max_power = 20, \ | |
299 | } | |
300 | ||
301 | #define CHAN5G(_freq) { \ | |
57fbcce3 | 302 | .band = NL80211_BAND_5GHZ, \ |
22cad735 LR |
303 | .center_freq = (_freq), \ |
304 | .hw_value = (_freq), \ | |
305 | .max_power = 20, \ | |
306 | } | |
307 | ||
308 | static const struct ieee80211_channel hwsim_channels_2ghz[] = { | |
309 | CHAN2G(2412), /* Channel 1 */ | |
310 | CHAN2G(2417), /* Channel 2 */ | |
311 | CHAN2G(2422), /* Channel 3 */ | |
312 | CHAN2G(2427), /* Channel 4 */ | |
313 | CHAN2G(2432), /* Channel 5 */ | |
314 | CHAN2G(2437), /* Channel 6 */ | |
315 | CHAN2G(2442), /* Channel 7 */ | |
316 | CHAN2G(2447), /* Channel 8 */ | |
317 | CHAN2G(2452), /* Channel 9 */ | |
318 | CHAN2G(2457), /* Channel 10 */ | |
319 | CHAN2G(2462), /* Channel 11 */ | |
320 | CHAN2G(2467), /* Channel 12 */ | |
321 | CHAN2G(2472), /* Channel 13 */ | |
322 | CHAN2G(2484), /* Channel 14 */ | |
323 | }; | |
acc1e7a3 | 324 | |
22cad735 LR |
325 | static const struct ieee80211_channel hwsim_channels_5ghz[] = { |
326 | CHAN5G(5180), /* Channel 36 */ | |
327 | CHAN5G(5200), /* Channel 40 */ | |
328 | CHAN5G(5220), /* Channel 44 */ | |
329 | CHAN5G(5240), /* Channel 48 */ | |
330 | ||
331 | CHAN5G(5260), /* Channel 52 */ | |
332 | CHAN5G(5280), /* Channel 56 */ | |
333 | CHAN5G(5300), /* Channel 60 */ | |
334 | CHAN5G(5320), /* Channel 64 */ | |
335 | ||
336 | CHAN5G(5500), /* Channel 100 */ | |
337 | CHAN5G(5520), /* Channel 104 */ | |
338 | CHAN5G(5540), /* Channel 108 */ | |
339 | CHAN5G(5560), /* Channel 112 */ | |
340 | CHAN5G(5580), /* Channel 116 */ | |
341 | CHAN5G(5600), /* Channel 120 */ | |
342 | CHAN5G(5620), /* Channel 124 */ | |
343 | CHAN5G(5640), /* Channel 128 */ | |
344 | CHAN5G(5660), /* Channel 132 */ | |
345 | CHAN5G(5680), /* Channel 136 */ | |
346 | CHAN5G(5700), /* Channel 140 */ | |
347 | ||
348 | CHAN5G(5745), /* Channel 149 */ | |
349 | CHAN5G(5765), /* Channel 153 */ | |
350 | CHAN5G(5785), /* Channel 157 */ | |
351 | CHAN5G(5805), /* Channel 161 */ | |
352 | CHAN5G(5825), /* Channel 165 */ | |
acc1e7a3 JM |
353 | }; |
354 | ||
355 | static const struct ieee80211_rate hwsim_rates[] = { | |
356 | { .bitrate = 10 }, | |
357 | { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
358 | { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
359 | { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
360 | { .bitrate = 60 }, | |
361 | { .bitrate = 90 }, | |
362 | { .bitrate = 120 }, | |
363 | { .bitrate = 180 }, | |
364 | { .bitrate = 240 }, | |
365 | { .bitrate = 360 }, | |
366 | { .bitrate = 480 }, | |
367 | { .bitrate = 540 } | |
368 | }; | |
369 | ||
d5d011b4 JM |
370 | #define OUI_QCA 0x001374 |
371 | #define QCA_NL80211_SUBCMD_TEST 1 | |
372 | enum qca_nl80211_vendor_subcmds { | |
373 | QCA_WLAN_VENDOR_ATTR_TEST = 8, | |
374 | QCA_WLAN_VENDOR_ATTR_MAX = QCA_WLAN_VENDOR_ATTR_TEST | |
375 | }; | |
376 | ||
377 | static const struct nla_policy | |
378 | hwsim_vendor_test_policy[QCA_WLAN_VENDOR_ATTR_MAX + 1] = { | |
379 | [QCA_WLAN_VENDOR_ATTR_MAX] = { .type = NLA_U32 }, | |
380 | }; | |
381 | ||
382 | static int mac80211_hwsim_vendor_cmd_test(struct wiphy *wiphy, | |
383 | struct wireless_dev *wdev, | |
384 | const void *data, int data_len) | |
385 | { | |
386 | struct sk_buff *skb; | |
387 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_MAX + 1]; | |
388 | int err; | |
389 | u32 val; | |
390 | ||
391 | err = nla_parse(tb, QCA_WLAN_VENDOR_ATTR_MAX, data, data_len, | |
392 | hwsim_vendor_test_policy); | |
393 | if (err) | |
394 | return err; | |
395 | if (!tb[QCA_WLAN_VENDOR_ATTR_TEST]) | |
396 | return -EINVAL; | |
397 | val = nla_get_u32(tb[QCA_WLAN_VENDOR_ATTR_TEST]); | |
398 | wiphy_debug(wiphy, "%s: test=%u\n", __func__, val); | |
399 | ||
400 | /* Send a vendor event as a test. Note that this would not normally be | |
401 | * done within a command handler, but rather, based on some other | |
402 | * trigger. For simplicity, this command is used to trigger the event | |
403 | * here. | |
404 | * | |
405 | * event_idx = 0 (index in mac80211_hwsim_vendor_commands) | |
406 | */ | |
407 | skb = cfg80211_vendor_event_alloc(wiphy, wdev, 100, 0, GFP_KERNEL); | |
408 | if (skb) { | |
409 | /* skb_put() or nla_put() will fill up data within | |
410 | * NL80211_ATTR_VENDOR_DATA. | |
411 | */ | |
412 | ||
413 | /* Add vendor data */ | |
414 | nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_TEST, val + 1); | |
415 | ||
416 | /* Send the event - this will call nla_nest_end() */ | |
417 | cfg80211_vendor_event(skb, GFP_KERNEL); | |
418 | } | |
419 | ||
420 | /* Send a response to the command */ | |
421 | skb = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, 10); | |
422 | if (!skb) | |
423 | return -ENOMEM; | |
424 | ||
425 | /* skb_put() or nla_put() will fill up data within | |
426 | * NL80211_ATTR_VENDOR_DATA | |
427 | */ | |
428 | nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_TEST, val + 2); | |
429 | ||
430 | return cfg80211_vendor_cmd_reply(skb); | |
431 | } | |
432 | ||
433 | static struct wiphy_vendor_command mac80211_hwsim_vendor_commands[] = { | |
434 | { | |
435 | .info = { .vendor_id = OUI_QCA, | |
436 | .subcmd = QCA_NL80211_SUBCMD_TEST }, | |
437 | .flags = WIPHY_VENDOR_CMD_NEED_NETDEV, | |
438 | .doit = mac80211_hwsim_vendor_cmd_test, | |
439 | } | |
440 | }; | |
441 | ||
442 | /* Advertise support vendor specific events */ | |
443 | static const struct nl80211_vendor_cmd_info mac80211_hwsim_vendor_events[] = { | |
444 | { .vendor_id = OUI_QCA, .subcmd = 1 }, | |
445 | }; | |
446 | ||
de0421d5 JB |
447 | static const struct ieee80211_iface_limit hwsim_if_limits[] = { |
448 | { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) }, | |
449 | { .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) | | |
450 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
451 | #ifdef CONFIG_MAC80211_MESH | |
452 | BIT(NL80211_IFTYPE_MESH_POINT) | | |
453 | #endif | |
454 | BIT(NL80211_IFTYPE_AP) | | |
455 | BIT(NL80211_IFTYPE_P2P_GO) }, | |
8c66a3d9 JB |
456 | /* must be last, see hwsim_if_comb */ |
457 | { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) } | |
de0421d5 JB |
458 | }; |
459 | ||
de0421d5 | 460 | static const struct ieee80211_iface_combination hwsim_if_comb[] = { |
8c66a3d9 JB |
461 | { |
462 | .limits = hwsim_if_limits, | |
463 | /* remove the last entry which is P2P_DEVICE */ | |
464 | .n_limits = ARRAY_SIZE(hwsim_if_limits) - 1, | |
465 | .max_interfaces = 2048, | |
466 | .num_different_channels = 1, | |
8c66a3d9 JB |
467 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | |
468 | BIT(NL80211_CHAN_WIDTH_20) | | |
469 | BIT(NL80211_CHAN_WIDTH_40) | | |
470 | BIT(NL80211_CHAN_WIDTH_80) | | |
471 | BIT(NL80211_CHAN_WIDTH_160), | |
f7736f50 | 472 | }, |
8c66a3d9 JB |
473 | }; |
474 | ||
475 | static const struct ieee80211_iface_combination hwsim_if_comb_p2p_dev[] = { | |
de0421d5 JB |
476 | { |
477 | .limits = hwsim_if_limits, | |
478 | .n_limits = ARRAY_SIZE(hwsim_if_limits), | |
479 | .max_interfaces = 2048, | |
480 | .num_different_channels = 1, | |
de0421d5 JB |
481 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | |
482 | BIT(NL80211_CHAN_WIDTH_20) | | |
483 | BIT(NL80211_CHAN_WIDTH_40) | | |
484 | BIT(NL80211_CHAN_WIDTH_80) | | |
485 | BIT(NL80211_CHAN_WIDTH_160), | |
f7736f50 | 486 | }, |
de0421d5 JB |
487 | }; |
488 | ||
0e057d73 JB |
489 | static spinlock_t hwsim_radio_lock; |
490 | static struct list_head hwsim_radios; | |
2d68992b | 491 | static int hwsim_radio_idx; |
0e057d73 | 492 | |
de0421d5 JB |
493 | static struct platform_driver mac80211_hwsim_driver = { |
494 | .driver = { | |
495 | .name = "mac80211_hwsim", | |
de0421d5 JB |
496 | }, |
497 | }; | |
0e057d73 | 498 | |
acc1e7a3 | 499 | struct mac80211_hwsim_data { |
0e057d73 JB |
500 | struct list_head list; |
501 | struct ieee80211_hw *hw; | |
acc1e7a3 | 502 | struct device *dev; |
57fbcce3 | 503 | struct ieee80211_supported_band bands[NUM_NL80211_BANDS]; |
22cad735 LR |
504 | struct ieee80211_channel channels_2ghz[ARRAY_SIZE(hwsim_channels_2ghz)]; |
505 | struct ieee80211_channel channels_5ghz[ARRAY_SIZE(hwsim_channels_5ghz)]; | |
acc1e7a3 | 506 | struct ieee80211_rate rates[ARRAY_SIZE(hwsim_rates)]; |
38ed5048 | 507 | struct ieee80211_iface_combination if_combination; |
acc1e7a3 | 508 | |
ef15aac6 | 509 | struct mac_address addresses[2]; |
bc791098 | 510 | int channels, idx; |
361c3e04 | 511 | bool use_chanctx; |
e9ed49bf JR |
512 | bool destroy_on_close; |
513 | struct work_struct destroy_work; | |
514 | u32 portid; | |
93d638d4 PF |
515 | char alpha2[2]; |
516 | const struct ieee80211_regdomain *regd; | |
ef15aac6 | 517 | |
e8261171 | 518 | struct ieee80211_channel *tmp_chan; |
661ef475 JB |
519 | struct ieee80211_channel *roc_chan; |
520 | u32 roc_duration; | |
521 | struct delayed_work roc_start; | |
e8261171 JB |
522 | struct delayed_work roc_done; |
523 | struct delayed_work hw_scan; | |
524 | struct cfg80211_scan_request *hw_scan_request; | |
525 | struct ieee80211_vif *hw_scan_vif; | |
526 | int scan_chan_idx; | |
339467b9 | 527 | u8 scan_addr[ETH_ALEN]; |
e8261171 | 528 | |
acc1e7a3 | 529 | struct ieee80211_channel *channel; |
01e59e46 | 530 | u64 beacon_int /* beacon interval in us */; |
acc1e7a3 | 531 | unsigned int rx_filter; |
f74cb0f7 LR |
532 | bool started, idle, scanning; |
533 | struct mutex mutex; | |
01e59e46 | 534 | struct tasklet_hrtimer beacon_timer; |
fc6971d4 JM |
535 | enum ps_mode { |
536 | PS_DISABLED, PS_ENABLED, PS_AUTO_POLL, PS_MANUAL_POLL | |
537 | } ps; | |
538 | bool ps_poll_pending; | |
539 | struct dentry *debugfs; | |
73606d00 | 540 | |
959eb2fd | 541 | uintptr_t pending_cookie; |
7882513b | 542 | struct sk_buff_head pending; /* packets pending */ |
73606d00 DW |
543 | /* |
544 | * Only radios in the same group can communicate together (the | |
545 | * channel has to match too). Each bit represents a group. A | |
9ebac15f | 546 | * radio can be in more than one group. |
73606d00 DW |
547 | */ |
548 | u64 group; | |
bdd7bd16 | 549 | |
100cb9ff MW |
550 | /* group shared by radios created in the same netns */ |
551 | int netgroup; | |
f21e4d8e MW |
552 | /* wmediumd portid responsible for netgroup of this radio */ |
553 | u32 wmediumd; | |
100cb9ff | 554 | |
bdd7bd16 | 555 | int power_level; |
2f40b940 JC |
556 | |
557 | /* difference between this hw's clock and the real clock, in usecs */ | |
45034bfb | 558 | s64 tsf_offset; |
c51f8783 | 559 | s64 bcn_delta; |
b66851c3 TP |
560 | /* absolute beacon transmission time. Used to cover up "tx" delay. */ |
561 | u64 abs_bcn_ts; | |
2155c3f8 BG |
562 | |
563 | /* Stats */ | |
564 | u64 tx_pkts; | |
565 | u64 rx_pkts; | |
566 | u64 tx_bytes; | |
567 | u64 rx_bytes; | |
568 | u64 tx_dropped; | |
569 | u64 tx_failed; | |
acc1e7a3 JM |
570 | }; |
571 | ||
572 | ||
573 | struct hwsim_radiotap_hdr { | |
574 | struct ieee80211_radiotap_header hdr; | |
2f40b940 | 575 | __le64 rt_tsft; |
acc1e7a3 JM |
576 | u8 rt_flags; |
577 | u8 rt_rate; | |
578 | __le16 rt_channel; | |
579 | __le16 rt_chbitmask; | |
ba2d3587 | 580 | } __packed; |
acc1e7a3 | 581 | |
76a56eb3 JM |
582 | struct hwsim_radiotap_ack_hdr { |
583 | struct ieee80211_radiotap_header hdr; | |
584 | u8 rt_flags; | |
585 | u8 pad; | |
586 | __le16 rt_channel; | |
587 | __le16 rt_chbitmask; | |
588 | } __packed; | |
589 | ||
7882513b JL |
590 | /* MAC80211_HWSIM netlinf family */ |
591 | static struct genl_family hwsim_genl_family = { | |
592 | .id = GENL_ID_GENERATE, | |
593 | .hdrsize = 0, | |
594 | .name = "MAC80211_HWSIM", | |
595 | .version = 1, | |
596 | .maxattr = HWSIM_ATTR_MAX, | |
100cb9ff | 597 | .netnsok = true, |
7882513b JL |
598 | }; |
599 | ||
62759361 JR |
600 | enum hwsim_multicast_groups { |
601 | HWSIM_MCGRP_CONFIG, | |
602 | }; | |
603 | ||
604 | static const struct genl_multicast_group hwsim_mcgrps[] = { | |
605 | [HWSIM_MCGRP_CONFIG] = { .name = "config", }, | |
606 | }; | |
607 | ||
7882513b JL |
608 | /* MAC80211_HWSIM netlink policy */ |
609 | ||
205d2429 | 610 | static const struct nla_policy hwsim_genl_policy[HWSIM_ATTR_MAX + 1] = { |
9ddd12af JB |
611 | [HWSIM_ATTR_ADDR_RECEIVER] = { .type = NLA_UNSPEC, .len = ETH_ALEN }, |
612 | [HWSIM_ATTR_ADDR_TRANSMITTER] = { .type = NLA_UNSPEC, .len = ETH_ALEN }, | |
7882513b JL |
613 | [HWSIM_ATTR_FRAME] = { .type = NLA_BINARY, |
614 | .len = IEEE80211_MAX_DATA_LEN }, | |
615 | [HWSIM_ATTR_FLAGS] = { .type = NLA_U32 }, | |
616 | [HWSIM_ATTR_RX_RATE] = { .type = NLA_U32 }, | |
617 | [HWSIM_ATTR_SIGNAL] = { .type = NLA_U32 }, | |
618 | [HWSIM_ATTR_TX_INFO] = { .type = NLA_UNSPEC, | |
9ddd12af JB |
619 | .len = IEEE80211_TX_MAX_RATES * |
620 | sizeof(struct hwsim_tx_rate)}, | |
7882513b | 621 | [HWSIM_ATTR_COOKIE] = { .type = NLA_U64 }, |
bc791098 JB |
622 | [HWSIM_ATTR_CHANNELS] = { .type = NLA_U32 }, |
623 | [HWSIM_ATTR_RADIO_ID] = { .type = NLA_U32 }, | |
26b0e411 JB |
624 | [HWSIM_ATTR_REG_HINT_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
625 | [HWSIM_ATTR_REG_CUSTOM_REG] = { .type = NLA_U32 }, | |
626 | [HWSIM_ATTR_REG_STRICT_REG] = { .type = NLA_FLAG }, | |
8c66a3d9 | 627 | [HWSIM_ATTR_SUPPORT_P2P_DEVICE] = { .type = NLA_FLAG }, |
e9ed49bf | 628 | [HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE] = { .type = NLA_FLAG }, |
de29eda8 JB |
629 | [HWSIM_ATTR_RADIO_NAME] = { .type = NLA_STRING }, |
630 | [HWSIM_ATTR_NO_VIF] = { .type = NLA_FLAG }, | |
631 | [HWSIM_ATTR_FREQ] = { .type = NLA_U32 }, | |
7882513b | 632 | }; |
acc1e7a3 | 633 | |
de0421d5 JB |
634 | static void mac80211_hwsim_tx_frame(struct ieee80211_hw *hw, |
635 | struct sk_buff *skb, | |
636 | struct ieee80211_channel *chan); | |
637 | ||
638 | /* sysfs attributes */ | |
639 | static void hwsim_send_ps_poll(void *dat, u8 *mac, struct ieee80211_vif *vif) | |
640 | { | |
641 | struct mac80211_hwsim_data *data = dat; | |
642 | struct hwsim_vif_priv *vp = (void *)vif->drv_priv; | |
643 | struct sk_buff *skb; | |
644 | struct ieee80211_pspoll *pspoll; | |
645 | ||
646 | if (!vp->assoc) | |
647 | return; | |
648 | ||
649 | wiphy_debug(data->hw->wiphy, | |
650 | "%s: send PS-Poll to %pM for aid %d\n", | |
651 | __func__, vp->bssid, vp->aid); | |
652 | ||
653 | skb = dev_alloc_skb(sizeof(*pspoll)); | |
654 | if (!skb) | |
655 | return; | |
656 | pspoll = (void *) skb_put(skb, sizeof(*pspoll)); | |
657 | pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL | | |
658 | IEEE80211_STYPE_PSPOLL | | |
659 | IEEE80211_FCTL_PM); | |
660 | pspoll->aid = cpu_to_le16(0xc000 | vp->aid); | |
661 | memcpy(pspoll->bssid, vp->bssid, ETH_ALEN); | |
662 | memcpy(pspoll->ta, mac, ETH_ALEN); | |
663 | ||
664 | rcu_read_lock(); | |
665 | mac80211_hwsim_tx_frame(data->hw, skb, | |
666 | rcu_dereference(vif->chanctx_conf)->def.chan); | |
667 | rcu_read_unlock(); | |
668 | } | |
669 | ||
670 | static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac, | |
671 | struct ieee80211_vif *vif, int ps) | |
672 | { | |
673 | struct hwsim_vif_priv *vp = (void *)vif->drv_priv; | |
674 | struct sk_buff *skb; | |
675 | struct ieee80211_hdr *hdr; | |
676 | ||
677 | if (!vp->assoc) | |
678 | return; | |
679 | ||
680 | wiphy_debug(data->hw->wiphy, | |
681 | "%s: send data::nullfunc to %pM ps=%d\n", | |
682 | __func__, vp->bssid, ps); | |
683 | ||
684 | skb = dev_alloc_skb(sizeof(*hdr)); | |
685 | if (!skb) | |
686 | return; | |
687 | hdr = (void *) skb_put(skb, sizeof(*hdr) - ETH_ALEN); | |
688 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
689 | IEEE80211_STYPE_NULLFUNC | | |
690 | (ps ? IEEE80211_FCTL_PM : 0)); | |
691 | hdr->duration_id = cpu_to_le16(0); | |
692 | memcpy(hdr->addr1, vp->bssid, ETH_ALEN); | |
693 | memcpy(hdr->addr2, mac, ETH_ALEN); | |
694 | memcpy(hdr->addr3, vp->bssid, ETH_ALEN); | |
695 | ||
696 | rcu_read_lock(); | |
697 | mac80211_hwsim_tx_frame(data->hw, skb, | |
698 | rcu_dereference(vif->chanctx_conf)->def.chan); | |
699 | rcu_read_unlock(); | |
700 | } | |
701 | ||
702 | ||
703 | static void hwsim_send_nullfunc_ps(void *dat, u8 *mac, | |
704 | struct ieee80211_vif *vif) | |
705 | { | |
706 | struct mac80211_hwsim_data *data = dat; | |
707 | hwsim_send_nullfunc(data, mac, vif, 1); | |
708 | } | |
709 | ||
710 | static void hwsim_send_nullfunc_no_ps(void *dat, u8 *mac, | |
711 | struct ieee80211_vif *vif) | |
712 | { | |
713 | struct mac80211_hwsim_data *data = dat; | |
714 | hwsim_send_nullfunc(data, mac, vif, 0); | |
715 | } | |
716 | ||
717 | static int hwsim_fops_ps_read(void *dat, u64 *val) | |
718 | { | |
719 | struct mac80211_hwsim_data *data = dat; | |
720 | *val = data->ps; | |
721 | return 0; | |
722 | } | |
723 | ||
724 | static int hwsim_fops_ps_write(void *dat, u64 val) | |
725 | { | |
726 | struct mac80211_hwsim_data *data = dat; | |
727 | enum ps_mode old_ps; | |
728 | ||
729 | if (val != PS_DISABLED && val != PS_ENABLED && val != PS_AUTO_POLL && | |
730 | val != PS_MANUAL_POLL) | |
731 | return -EINVAL; | |
732 | ||
733 | old_ps = data->ps; | |
734 | data->ps = val; | |
735 | ||
a809ca5e | 736 | local_bh_disable(); |
de0421d5 | 737 | if (val == PS_MANUAL_POLL) { |
a809ca5e JB |
738 | ieee80211_iterate_active_interfaces_atomic( |
739 | data->hw, IEEE80211_IFACE_ITER_NORMAL, | |
740 | hwsim_send_ps_poll, data); | |
de0421d5 JB |
741 | data->ps_poll_pending = true; |
742 | } else if (old_ps == PS_DISABLED && val != PS_DISABLED) { | |
a809ca5e JB |
743 | ieee80211_iterate_active_interfaces_atomic( |
744 | data->hw, IEEE80211_IFACE_ITER_NORMAL, | |
745 | hwsim_send_nullfunc_ps, data); | |
de0421d5 | 746 | } else if (old_ps != PS_DISABLED && val == PS_DISABLED) { |
a809ca5e JB |
747 | ieee80211_iterate_active_interfaces_atomic( |
748 | data->hw, IEEE80211_IFACE_ITER_NORMAL, | |
749 | hwsim_send_nullfunc_no_ps, data); | |
de0421d5 | 750 | } |
a809ca5e | 751 | local_bh_enable(); |
de0421d5 JB |
752 | |
753 | return 0; | |
754 | } | |
755 | ||
756 | DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write, | |
757 | "%llu\n"); | |
758 | ||
759 | static int hwsim_write_simulate_radar(void *dat, u64 val) | |
760 | { | |
761 | struct mac80211_hwsim_data *data = dat; | |
762 | ||
763 | ieee80211_radar_detected(data->hw); | |
764 | ||
765 | return 0; | |
766 | } | |
767 | ||
768 | DEFINE_SIMPLE_ATTRIBUTE(hwsim_simulate_radar, NULL, | |
769 | hwsim_write_simulate_radar, "%llu\n"); | |
770 | ||
771 | static int hwsim_fops_group_read(void *dat, u64 *val) | |
772 | { | |
773 | struct mac80211_hwsim_data *data = dat; | |
774 | *val = data->group; | |
775 | return 0; | |
776 | } | |
777 | ||
778 | static int hwsim_fops_group_write(void *dat, u64 val) | |
779 | { | |
780 | struct mac80211_hwsim_data *data = dat; | |
781 | data->group = val; | |
782 | return 0; | |
783 | } | |
784 | ||
785 | DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group, | |
786 | hwsim_fops_group_read, hwsim_fops_group_write, | |
787 | "%llx\n"); | |
788 | ||
d0cf9c0d SH |
789 | static netdev_tx_t hwsim_mon_xmit(struct sk_buff *skb, |
790 | struct net_device *dev) | |
acc1e7a3 JM |
791 | { |
792 | /* TODO: allow packet injection */ | |
793 | dev_kfree_skb(skb); | |
6ed10654 | 794 | return NETDEV_TX_OK; |
acc1e7a3 JM |
795 | } |
796 | ||
b66851c3 TP |
797 | static inline u64 mac80211_hwsim_get_tsf_raw(void) |
798 | { | |
799 | return ktime_to_us(ktime_get_real()); | |
800 | } | |
801 | ||
2f40b940 JC |
802 | static __le64 __mac80211_hwsim_get_tsf(struct mac80211_hwsim_data *data) |
803 | { | |
b66851c3 | 804 | u64 now = mac80211_hwsim_get_tsf_raw(); |
2f40b940 JC |
805 | return cpu_to_le64(now + data->tsf_offset); |
806 | } | |
acc1e7a3 | 807 | |
12ce8ba3 | 808 | static u64 mac80211_hwsim_get_tsf(struct ieee80211_hw *hw, |
b66851c3 | 809 | struct ieee80211_vif *vif) |
12ce8ba3 JC |
810 | { |
811 | struct mac80211_hwsim_data *data = hw->priv; | |
812 | return le64_to_cpu(__mac80211_hwsim_get_tsf(data)); | |
813 | } | |
814 | ||
815 | static void mac80211_hwsim_set_tsf(struct ieee80211_hw *hw, | |
816 | struct ieee80211_vif *vif, u64 tsf) | |
817 | { | |
818 | struct mac80211_hwsim_data *data = hw->priv; | |
45034bfb | 819 | u64 now = mac80211_hwsim_get_tsf(hw, vif); |
c51f8783 | 820 | u32 bcn_int = data->beacon_int; |
79211c8e | 821 | u64 delta = abs(tsf - now); |
45034bfb | 822 | |
c51f8783 | 823 | /* adjust after beaconing with new timestamp at old TBTT */ |
5d26b508 AB |
824 | if (tsf > now) { |
825 | data->tsf_offset += delta; | |
826 | data->bcn_delta = do_div(delta, bcn_int); | |
827 | } else { | |
828 | data->tsf_offset -= delta; | |
829 | data->bcn_delta = -do_div(delta, bcn_int); | |
830 | } | |
12ce8ba3 JC |
831 | } |
832 | ||
acc1e7a3 | 833 | static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw, |
e8261171 JB |
834 | struct sk_buff *tx_skb, |
835 | struct ieee80211_channel *chan) | |
acc1e7a3 JM |
836 | { |
837 | struct mac80211_hwsim_data *data = hw->priv; | |
838 | struct sk_buff *skb; | |
839 | struct hwsim_radiotap_hdr *hdr; | |
840 | u16 flags; | |
841 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_skb); | |
842 | struct ieee80211_rate *txrate = ieee80211_get_tx_rate(hw, info); | |
843 | ||
89f44d8c AK |
844 | if (WARN_ON(!txrate)) |
845 | return; | |
846 | ||
acc1e7a3 JM |
847 | if (!netif_running(hwsim_mon)) |
848 | return; | |
849 | ||
850 | skb = skb_copy_expand(tx_skb, sizeof(*hdr), 0, GFP_ATOMIC); | |
851 | if (skb == NULL) | |
852 | return; | |
853 | ||
854 | hdr = (struct hwsim_radiotap_hdr *) skb_push(skb, sizeof(*hdr)); | |
855 | hdr->hdr.it_version = PKTHDR_RADIOTAP_VERSION; | |
856 | hdr->hdr.it_pad = 0; | |
857 | hdr->hdr.it_len = cpu_to_le16(sizeof(*hdr)); | |
f248f105 JM |
858 | hdr->hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) | |
859 | (1 << IEEE80211_RADIOTAP_RATE) | | |
2f40b940 | 860 | (1 << IEEE80211_RADIOTAP_TSFT) | |
f248f105 | 861 | (1 << IEEE80211_RADIOTAP_CHANNEL)); |
2f40b940 | 862 | hdr->rt_tsft = __mac80211_hwsim_get_tsf(data); |
acc1e7a3 JM |
863 | hdr->rt_flags = 0; |
864 | hdr->rt_rate = txrate->bitrate / 5; | |
e8261171 | 865 | hdr->rt_channel = cpu_to_le16(chan->center_freq); |
acc1e7a3 JM |
866 | flags = IEEE80211_CHAN_2GHZ; |
867 | if (txrate->flags & IEEE80211_RATE_ERP_G) | |
868 | flags |= IEEE80211_CHAN_OFDM; | |
869 | else | |
870 | flags |= IEEE80211_CHAN_CCK; | |
871 | hdr->rt_chbitmask = cpu_to_le16(flags); | |
872 | ||
873 | skb->dev = hwsim_mon; | |
6b163a85 | 874 | skb_reset_mac_header(skb); |
acc1e7a3 JM |
875 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
876 | skb->pkt_type = PACKET_OTHERHOST; | |
f248f105 | 877 | skb->protocol = htons(ETH_P_802_2); |
acc1e7a3 JM |
878 | memset(skb->cb, 0, sizeof(skb->cb)); |
879 | netif_rx(skb); | |
880 | } | |
881 | ||
882 | ||
e8261171 JB |
883 | static void mac80211_hwsim_monitor_ack(struct ieee80211_channel *chan, |
884 | const u8 *addr) | |
6c085227 | 885 | { |
6c085227 | 886 | struct sk_buff *skb; |
76a56eb3 | 887 | struct hwsim_radiotap_ack_hdr *hdr; |
6c085227 JM |
888 | u16 flags; |
889 | struct ieee80211_hdr *hdr11; | |
890 | ||
891 | if (!netif_running(hwsim_mon)) | |
892 | return; | |
893 | ||
894 | skb = dev_alloc_skb(100); | |
895 | if (skb == NULL) | |
896 | return; | |
897 | ||
76a56eb3 | 898 | hdr = (struct hwsim_radiotap_ack_hdr *) skb_put(skb, sizeof(*hdr)); |
6c085227 JM |
899 | hdr->hdr.it_version = PKTHDR_RADIOTAP_VERSION; |
900 | hdr->hdr.it_pad = 0; | |
901 | hdr->hdr.it_len = cpu_to_le16(sizeof(*hdr)); | |
902 | hdr->hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) | | |
903 | (1 << IEEE80211_RADIOTAP_CHANNEL)); | |
904 | hdr->rt_flags = 0; | |
76a56eb3 | 905 | hdr->pad = 0; |
e8261171 | 906 | hdr->rt_channel = cpu_to_le16(chan->center_freq); |
6c085227 JM |
907 | flags = IEEE80211_CHAN_2GHZ; |
908 | hdr->rt_chbitmask = cpu_to_le16(flags); | |
909 | ||
910 | hdr11 = (struct ieee80211_hdr *) skb_put(skb, 10); | |
911 | hdr11->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL | | |
912 | IEEE80211_STYPE_ACK); | |
913 | hdr11->duration_id = cpu_to_le16(0); | |
914 | memcpy(hdr11->addr1, addr, ETH_ALEN); | |
915 | ||
916 | skb->dev = hwsim_mon; | |
6b163a85 | 917 | skb_reset_mac_header(skb); |
6c085227 JM |
918 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
919 | skb->pkt_type = PACKET_OTHERHOST; | |
920 | skb->protocol = htons(ETH_P_802_2); | |
921 | memset(skb->cb, 0, sizeof(skb->cb)); | |
922 | netif_rx(skb); | |
923 | } | |
924 | ||
3283e286 JB |
925 | struct mac80211_hwsim_addr_match_data { |
926 | u8 addr[ETH_ALEN]; | |
927 | bool ret; | |
928 | }; | |
929 | ||
930 | static void mac80211_hwsim_addr_iter(void *data, u8 *mac, | |
931 | struct ieee80211_vif *vif) | |
932 | { | |
933 | struct mac80211_hwsim_addr_match_data *md = data; | |
934 | ||
935 | if (memcmp(mac, md->addr, ETH_ALEN) == 0) | |
936 | md->ret = true; | |
937 | } | |
938 | ||
939 | static bool mac80211_hwsim_addr_match(struct mac80211_hwsim_data *data, | |
940 | const u8 *addr) | |
941 | { | |
942 | struct mac80211_hwsim_addr_match_data md = { | |
943 | .ret = false, | |
944 | }; | |
945 | ||
339467b9 JB |
946 | if (data->scanning && memcmp(addr, data->scan_addr, ETH_ALEN) == 0) |
947 | return true; | |
948 | ||
3283e286 JB |
949 | memcpy(md.addr, addr, ETH_ALEN); |
950 | ||
951 | ieee80211_iterate_active_interfaces_atomic(data->hw, | |
952 | IEEE80211_IFACE_ITER_NORMAL, | |
953 | mac80211_hwsim_addr_iter, | |
954 | &md); | |
955 | ||
956 | return md.ret; | |
957 | } | |
6c085227 | 958 | |
fc6971d4 JM |
959 | static bool hwsim_ps_rx_ok(struct mac80211_hwsim_data *data, |
960 | struct sk_buff *skb) | |
961 | { | |
962 | switch (data->ps) { | |
963 | case PS_DISABLED: | |
964 | return true; | |
965 | case PS_ENABLED: | |
966 | return false; | |
967 | case PS_AUTO_POLL: | |
968 | /* TODO: accept (some) Beacons by default and other frames only | |
969 | * if pending PS-Poll has been sent */ | |
970 | return true; | |
971 | case PS_MANUAL_POLL: | |
972 | /* Allow unicast frames to own address if there is a pending | |
973 | * PS-Poll */ | |
974 | if (data->ps_poll_pending && | |
3283e286 | 975 | mac80211_hwsim_addr_match(data, skb->data + 4)) { |
fc6971d4 JM |
976 | data->ps_poll_pending = false; |
977 | return true; | |
978 | } | |
979 | return false; | |
980 | } | |
981 | ||
982 | return true; | |
983 | } | |
984 | ||
f21e4d8e MW |
985 | static int hwsim_unicast_netgroup(struct mac80211_hwsim_data *data, |
986 | struct sk_buff *skb, int portid) | |
987 | { | |
988 | struct net *net; | |
989 | bool found = false; | |
990 | int res = -ENOENT; | |
991 | ||
992 | rcu_read_lock(); | |
993 | for_each_net_rcu(net) { | |
994 | if (data->netgroup == hwsim_net_get_netgroup(net)) { | |
995 | res = genlmsg_unicast(net, skb, portid); | |
996 | found = true; | |
997 | break; | |
998 | } | |
999 | } | |
1000 | rcu_read_unlock(); | |
1001 | ||
1002 | if (!found) | |
1003 | nlmsg_free(skb); | |
1004 | ||
1005 | return res; | |
1006 | } | |
1007 | ||
7882513b JL |
1008 | static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw, |
1009 | struct sk_buff *my_skb, | |
15e47304 | 1010 | int dst_portid) |
7882513b JL |
1011 | { |
1012 | struct sk_buff *skb; | |
1013 | struct mac80211_hwsim_data *data = hw->priv; | |
1014 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) my_skb->data; | |
1015 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(my_skb); | |
1016 | void *msg_head; | |
1017 | unsigned int hwsim_flags = 0; | |
1018 | int i; | |
1019 | struct hwsim_tx_rate tx_attempts[IEEE80211_TX_MAX_RATES]; | |
959eb2fd | 1020 | uintptr_t cookie; |
7882513b | 1021 | |
7882513b JL |
1022 | if (data->ps != PS_DISABLED) |
1023 | hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); | |
1024 | /* If the queue contains MAX_QUEUE skb's drop some */ | |
1025 | if (skb_queue_len(&data->pending) >= MAX_QUEUE) { | |
1026 | /* Droping until WARN_QUEUE level */ | |
2155c3f8 | 1027 | while (skb_queue_len(&data->pending) >= WARN_QUEUE) { |
b7bc9679 | 1028 | ieee80211_free_txskb(hw, skb_dequeue(&data->pending)); |
2155c3f8 BG |
1029 | data->tx_dropped++; |
1030 | } | |
7882513b JL |
1031 | } |
1032 | ||
58050fce | 1033 | skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
7882513b JL |
1034 | if (skb == NULL) |
1035 | goto nla_put_failure; | |
1036 | ||
1037 | msg_head = genlmsg_put(skb, 0, 0, &hwsim_genl_family, 0, | |
1038 | HWSIM_CMD_FRAME); | |
1039 | if (msg_head == NULL) { | |
1040 | printk(KERN_DEBUG "mac80211_hwsim: problem with msg_head\n"); | |
1041 | goto nla_put_failure; | |
1042 | } | |
1043 | ||
354210f8 BC |
1044 | if (nla_put(skb, HWSIM_ATTR_ADDR_TRANSMITTER, |
1045 | ETH_ALEN, data->addresses[1].addr)) | |
633c9389 | 1046 | goto nla_put_failure; |
265dc7f0 | 1047 | |
7882513b | 1048 | /* We get the skb->data */ |
633c9389 DM |
1049 | if (nla_put(skb, HWSIM_ATTR_FRAME, my_skb->len, my_skb->data)) |
1050 | goto nla_put_failure; | |
7882513b JL |
1051 | |
1052 | /* We get the flags for this transmission, and we translate them to | |
1053 | wmediumd flags */ | |
1054 | ||
1055 | if (info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS) | |
1056 | hwsim_flags |= HWSIM_TX_CTL_REQ_TX_STATUS; | |
1057 | ||
1058 | if (info->flags & IEEE80211_TX_CTL_NO_ACK) | |
1059 | hwsim_flags |= HWSIM_TX_CTL_NO_ACK; | |
1060 | ||
633c9389 DM |
1061 | if (nla_put_u32(skb, HWSIM_ATTR_FLAGS, hwsim_flags)) |
1062 | goto nla_put_failure; | |
7882513b | 1063 | |
4f86ed8f BG |
1064 | if (nla_put_u32(skb, HWSIM_ATTR_FREQ, data->channel->center_freq)) |
1065 | goto nla_put_failure; | |
1066 | ||
7882513b JL |
1067 | /* We get the tx control (rate and retries) info*/ |
1068 | ||
1069 | for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { | |
1070 | tx_attempts[i].idx = info->status.rates[i].idx; | |
1071 | tx_attempts[i].count = info->status.rates[i].count; | |
1072 | } | |
1073 | ||
633c9389 DM |
1074 | if (nla_put(skb, HWSIM_ATTR_TX_INFO, |
1075 | sizeof(struct hwsim_tx_rate)*IEEE80211_TX_MAX_RATES, | |
1076 | tx_attempts)) | |
1077 | goto nla_put_failure; | |
7882513b JL |
1078 | |
1079 | /* We create a cookie to identify this skb */ | |
959eb2fd JB |
1080 | data->pending_cookie++; |
1081 | cookie = data->pending_cookie; | |
1082 | info->rate_driver_data[0] = (void *)cookie; | |
08f4cbb8 | 1083 | if (nla_put_u64_64bit(skb, HWSIM_ATTR_COOKIE, cookie, HWSIM_ATTR_PAD)) |
633c9389 | 1084 | goto nla_put_failure; |
7882513b JL |
1085 | |
1086 | genlmsg_end(skb, msg_head); | |
f21e4d8e | 1087 | if (hwsim_unicast_netgroup(data, skb, dst_portid)) |
f2831e20 | 1088 | goto err_free_txskb; |
7882513b JL |
1089 | |
1090 | /* Enqueue the packet */ | |
1091 | skb_queue_tail(&data->pending, my_skb); | |
2155c3f8 BG |
1092 | data->tx_pkts++; |
1093 | data->tx_bytes += my_skb->len; | |
7882513b JL |
1094 | return; |
1095 | ||
1096 | nla_put_failure: | |
f2831e20 BC |
1097 | nlmsg_free(skb); |
1098 | err_free_txskb: | |
c393862f | 1099 | printk(KERN_DEBUG "mac80211_hwsim: error occurred in %s\n", __func__); |
b7bc9679 | 1100 | ieee80211_free_txskb(hw, my_skb); |
2155c3f8 | 1101 | data->tx_failed++; |
7882513b JL |
1102 | } |
1103 | ||
e8261171 JB |
1104 | static bool hwsim_chans_compat(struct ieee80211_channel *c1, |
1105 | struct ieee80211_channel *c2) | |
1106 | { | |
1107 | if (!c1 || !c2) | |
1108 | return false; | |
1109 | ||
1110 | return c1->center_freq == c2->center_freq; | |
1111 | } | |
1112 | ||
1113 | struct tx_iter_data { | |
1114 | struct ieee80211_channel *channel; | |
1115 | bool receive; | |
1116 | }; | |
1117 | ||
1118 | static void mac80211_hwsim_tx_iter(void *_data, u8 *addr, | |
1119 | struct ieee80211_vif *vif) | |
1120 | { | |
1121 | struct tx_iter_data *data = _data; | |
1122 | ||
1123 | if (!vif->chanctx_conf) | |
1124 | return; | |
1125 | ||
1126 | if (!hwsim_chans_compat(data->channel, | |
4bf88530 | 1127 | rcu_dereference(vif->chanctx_conf)->def.chan)) |
e8261171 JB |
1128 | return; |
1129 | ||
1130 | data->receive = true; | |
1131 | } | |
1132 | ||
1f7bba79 JB |
1133 | static void mac80211_hwsim_add_vendor_rtap(struct sk_buff *skb) |
1134 | { | |
1135 | /* | |
1136 | * To enable this code, #define the HWSIM_RADIOTAP_OUI, | |
1137 | * e.g. like this: | |
1138 | * #define HWSIM_RADIOTAP_OUI "\x02\x00\x00" | |
1139 | * (but you should use a valid OUI, not that) | |
1140 | * | |
1141 | * If anyone wants to 'donate' a radiotap OUI/subns code | |
1142 | * please send a patch removing this #ifdef and changing | |
1143 | * the values accordingly. | |
1144 | */ | |
1145 | #ifdef HWSIM_RADIOTAP_OUI | |
1146 | struct ieee80211_vendor_radiotap *rtap; | |
1147 | ||
1148 | /* | |
1149 | * Note that this code requires the headroom in the SKB | |
1150 | * that was allocated earlier. | |
1151 | */ | |
1152 | rtap = (void *)skb_push(skb, sizeof(*rtap) + 8 + 4); | |
1153 | rtap->oui[0] = HWSIM_RADIOTAP_OUI[0]; | |
1154 | rtap->oui[1] = HWSIM_RADIOTAP_OUI[1]; | |
1155 | rtap->oui[2] = HWSIM_RADIOTAP_OUI[2]; | |
1156 | rtap->subns = 127; | |
1157 | ||
1158 | /* | |
1159 | * Radiotap vendor namespaces can (and should) also be | |
1160 | * split into fields by using the standard radiotap | |
1161 | * presence bitmap mechanism. Use just BIT(0) here for | |
1162 | * the presence bitmap. | |
1163 | */ | |
1164 | rtap->present = BIT(0); | |
1165 | /* We have 8 bytes of (dummy) data */ | |
1166 | rtap->len = 8; | |
1167 | /* For testing, also require it to be aligned */ | |
1168 | rtap->align = 8; | |
1169 | /* And also test that padding works, 4 bytes */ | |
1170 | rtap->pad = 4; | |
1171 | /* push the data */ | |
1172 | memcpy(rtap->data, "ABCDEFGH", 8); | |
1173 | /* make sure to clear padding, mac80211 doesn't */ | |
1174 | memset(rtap->data + 8, 0, 4); | |
1175 | ||
1176 | IEEE80211_SKB_RXCB(skb)->flag |= RX_FLAG_RADIOTAP_VENDOR_DATA; | |
1177 | #endif | |
1178 | } | |
1179 | ||
7882513b | 1180 | static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw, |
e8261171 JB |
1181 | struct sk_buff *skb, |
1182 | struct ieee80211_channel *chan) | |
acc1e7a3 | 1183 | { |
0e057d73 JB |
1184 | struct mac80211_hwsim_data *data = hw->priv, *data2; |
1185 | bool ack = false; | |
e36cfdc9 | 1186 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; |
acc1e7a3 | 1187 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
e36cfdc9 | 1188 | struct ieee80211_rx_status rx_status; |
b66851c3 | 1189 | u64 now; |
acc1e7a3 JM |
1190 | |
1191 | memset(&rx_status, 0, sizeof(rx_status)); | |
f4bda337 | 1192 | rx_status.flag |= RX_FLAG_MACTIME_START; |
e8261171 JB |
1193 | rx_status.freq = chan->center_freq; |
1194 | rx_status.band = chan->band; | |
dad6330d KB |
1195 | if (info->control.rates[0].flags & IEEE80211_TX_RC_VHT_MCS) { |
1196 | rx_status.rate_idx = | |
1197 | ieee80211_rate_get_vht_mcs(&info->control.rates[0]); | |
1198 | rx_status.vht_nss = | |
1199 | ieee80211_rate_get_vht_nss(&info->control.rates[0]); | |
1200 | rx_status.flag |= RX_FLAG_VHT; | |
1201 | } else { | |
1202 | rx_status.rate_idx = info->control.rates[0].idx; | |
1203 | if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS) | |
1204 | rx_status.flag |= RX_FLAG_HT; | |
1205 | } | |
281ed297 JM |
1206 | if (info->control.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
1207 | rx_status.flag |= RX_FLAG_40MHZ; | |
1208 | if (info->control.rates[0].flags & IEEE80211_TX_RC_SHORT_GI) | |
1209 | rx_status.flag |= RX_FLAG_SHORT_GI; | |
4b14c96d | 1210 | /* TODO: simulate real signal strength (and optional packet loss) */ |
bdd7bd16 | 1211 | rx_status.signal = data->power_level - 50; |
acc1e7a3 | 1212 | |
fc6971d4 JM |
1213 | if (data->ps != PS_DISABLED) |
1214 | hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); | |
1215 | ||
90e3012e JB |
1216 | /* release the skb's source info */ |
1217 | skb_orphan(skb); | |
c0acf38e | 1218 | skb_dst_drop(skb); |
90e3012e JB |
1219 | skb->mark = 0; |
1220 | secpath_reset(skb); | |
1221 | nf_reset(skb); | |
1222 | ||
b66851c3 TP |
1223 | /* |
1224 | * Get absolute mactime here so all HWs RX at the "same time", and | |
1225 | * absolute TX time for beacon mactime so the timestamp matches. | |
1226 | * Giving beacons a different mactime than non-beacons looks messy, but | |
1227 | * it helps the Toffset be exact and a ~10us mactime discrepancy | |
1228 | * probably doesn't really matter. | |
1229 | */ | |
1230 | if (ieee80211_is_beacon(hdr->frame_control) || | |
1231 | ieee80211_is_probe_resp(hdr->frame_control)) | |
1232 | now = data->abs_bcn_ts; | |
1233 | else | |
1234 | now = mac80211_hwsim_get_tsf_raw(); | |
1235 | ||
acc1e7a3 | 1236 | /* Copy skb to all enabled radios that are on the current frequency */ |
0e057d73 JB |
1237 | spin_lock(&hwsim_radio_lock); |
1238 | list_for_each_entry(data2, &hwsim_radios, list) { | |
acc1e7a3 | 1239 | struct sk_buff *nskb; |
e8261171 JB |
1240 | struct tx_iter_data tx_iter_data = { |
1241 | .receive = false, | |
1242 | .channel = chan, | |
1243 | }; | |
acc1e7a3 | 1244 | |
0e057d73 | 1245 | if (data == data2) |
acc1e7a3 | 1246 | continue; |
0e057d73 | 1247 | |
e8261171 JB |
1248 | if (!data2->started || (data2->idle && !data2->tmp_chan) || |
1249 | !hwsim_ps_rx_ok(data2, skb)) | |
acc1e7a3 JM |
1250 | continue; |
1251 | ||
e8261171 JB |
1252 | if (!(data->group & data2->group)) |
1253 | continue; | |
1254 | ||
100cb9ff MW |
1255 | if (data->netgroup != data2->netgroup) |
1256 | continue; | |
1257 | ||
e8261171 JB |
1258 | if (!hwsim_chans_compat(chan, data2->tmp_chan) && |
1259 | !hwsim_chans_compat(chan, data2->channel)) { | |
1260 | ieee80211_iterate_active_interfaces_atomic( | |
8b2c9824 JB |
1261 | data2->hw, IEEE80211_IFACE_ITER_NORMAL, |
1262 | mac80211_hwsim_tx_iter, &tx_iter_data); | |
e8261171 JB |
1263 | if (!tx_iter_data.receive) |
1264 | continue; | |
1265 | } | |
1266 | ||
90b9e446 JB |
1267 | /* |
1268 | * reserve some space for our vendor and the normal | |
1269 | * radiotap header, since we're copying anyway | |
1270 | */ | |
a357d7f9 JB |
1271 | if (skb->len < PAGE_SIZE && paged_rx) { |
1272 | struct page *page = alloc_page(GFP_ATOMIC); | |
1273 | ||
1274 | if (!page) | |
1275 | continue; | |
1276 | ||
1277 | nskb = dev_alloc_skb(128); | |
1278 | if (!nskb) { | |
1279 | __free_page(page); | |
1280 | continue; | |
1281 | } | |
1282 | ||
1283 | memcpy(page_address(page), skb->data, skb->len); | |
1284 | skb_add_rx_frag(nskb, 0, page, 0, skb->len, skb->len); | |
1285 | } else { | |
1286 | nskb = skb_copy(skb, GFP_ATOMIC); | |
1287 | if (!nskb) | |
1288 | continue; | |
1289 | } | |
acc1e7a3 | 1290 | |
265dc7f0 | 1291 | if (mac80211_hwsim_addr_match(data2, hdr->addr1)) |
0e057d73 | 1292 | ack = true; |
f483ad25 | 1293 | |
b66851c3 | 1294 | rx_status.mactime = now + data2->tsf_offset; |
90b9e446 | 1295 | |
f1d58c25 | 1296 | memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status)); |
1f7bba79 JB |
1297 | |
1298 | mac80211_hwsim_add_vendor_rtap(nskb); | |
1299 | ||
2155c3f8 BG |
1300 | data2->rx_pkts++; |
1301 | data2->rx_bytes += nskb->len; | |
f1d58c25 | 1302 | ieee80211_rx_irqsafe(data2->hw, nskb); |
acc1e7a3 | 1303 | } |
0e057d73 | 1304 | spin_unlock(&hwsim_radio_lock); |
acc1e7a3 | 1305 | |
e36cfdc9 JM |
1306 | return ack; |
1307 | } | |
1308 | ||
36323f81 TH |
1309 | static void mac80211_hwsim_tx(struct ieee80211_hw *hw, |
1310 | struct ieee80211_tx_control *control, | |
1311 | struct sk_buff *skb) | |
e36cfdc9 | 1312 | { |
e8261171 JB |
1313 | struct mac80211_hwsim_data *data = hw->priv; |
1314 | struct ieee80211_tx_info *txi = IEEE80211_SKB_CB(skb); | |
732b5395 | 1315 | struct ieee80211_hdr *hdr = (void *)skb->data; |
e8261171 JB |
1316 | struct ieee80211_chanctx_conf *chanctx_conf; |
1317 | struct ieee80211_channel *channel; | |
0e057d73 | 1318 | bool ack; |
15e47304 | 1319 | u32 _portid; |
e36cfdc9 | 1320 | |
e8261171 | 1321 | if (WARN_ON(skb->len < 10)) { |
e36cfdc9 | 1322 | /* Should not happen; just a sanity check for addr1 use */ |
fe0f3cd2 | 1323 | ieee80211_free_txskb(hw, skb); |
7bb45683 | 1324 | return; |
e36cfdc9 JM |
1325 | } |
1326 | ||
361c3e04 | 1327 | if (!data->use_chanctx) { |
e8261171 JB |
1328 | channel = data->channel; |
1329 | } else if (txi->hw_queue == 4) { | |
1330 | channel = data->tmp_chan; | |
1331 | } else { | |
1332 | chanctx_conf = rcu_dereference(txi->control.vif->chanctx_conf); | |
1333 | if (chanctx_conf) | |
4bf88530 | 1334 | channel = chanctx_conf->def.chan; |
e8261171 JB |
1335 | else |
1336 | channel = NULL; | |
1337 | } | |
1338 | ||
1339 | if (WARN(!channel, "TX w/o channel - queue = %d\n", txi->hw_queue)) { | |
fe0f3cd2 | 1340 | ieee80211_free_txskb(hw, skb); |
e8261171 JB |
1341 | return; |
1342 | } | |
1343 | ||
1344 | if (data->idle && !data->tmp_chan) { | |
1345 | wiphy_debug(hw->wiphy, "Trying to TX when idle - reject\n"); | |
fe0f3cd2 | 1346 | ieee80211_free_txskb(hw, skb); |
e8261171 JB |
1347 | return; |
1348 | } | |
1349 | ||
1350 | if (txi->control.vif) | |
1351 | hwsim_check_magic(txi->control.vif); | |
1352 | if (control->sta) | |
1353 | hwsim_check_sta_magic(control->sta); | |
1354 | ||
30686bf7 | 1355 | if (ieee80211_hw_check(hw, SUPPORTS_RC_TABLE)) |
1eb32179 KB |
1356 | ieee80211_get_tx_rates(txi->control.vif, control->sta, skb, |
1357 | txi->control.rates, | |
1358 | ARRAY_SIZE(txi->control.rates)); | |
e8261171 | 1359 | |
1eb32179 | 1360 | txi->rate_driver_data[0] = channel; |
732b5395 JM |
1361 | |
1362 | if (skb->len >= 24 + 8 && | |
1363 | ieee80211_is_probe_resp(hdr->frame_control)) { | |
1364 | /* fake header transmission time */ | |
1365 | struct ieee80211_mgmt *mgmt; | |
1366 | struct ieee80211_rate *txrate; | |
1367 | u64 ts; | |
1368 | ||
1369 | mgmt = (struct ieee80211_mgmt *)skb->data; | |
1370 | txrate = ieee80211_get_tx_rate(hw, txi); | |
1371 | ts = mac80211_hwsim_get_tsf_raw(); | |
1372 | mgmt->u.probe_resp.timestamp = | |
1373 | cpu_to_le64(ts + data->tsf_offset + | |
1374 | 24 * 8 * 10 / txrate->bitrate); | |
1375 | } | |
1376 | ||
e8261171 JB |
1377 | mac80211_hwsim_monitor_rx(hw, skb, channel); |
1378 | ||
7882513b | 1379 | /* wmediumd mode check */ |
f21e4d8e | 1380 | _portid = ACCESS_ONCE(data->wmediumd); |
7882513b | 1381 | |
15e47304 EB |
1382 | if (_portid) |
1383 | return mac80211_hwsim_tx_frame_nl(hw, skb, _portid); | |
7882513b JL |
1384 | |
1385 | /* NO wmediumd detected, perfect medium simulation */ | |
2155c3f8 BG |
1386 | data->tx_pkts++; |
1387 | data->tx_bytes += skb->len; | |
e8261171 | 1388 | ack = mac80211_hwsim_tx_frame_no_nl(hw, skb, channel); |
7882513b | 1389 | |
f06b7ab8 | 1390 | if (ack && skb->len >= 16) |
e8261171 | 1391 | mac80211_hwsim_monitor_ack(channel, hdr->addr2); |
e36cfdc9 | 1392 | |
e6a9854b | 1393 | ieee80211_tx_info_clear_status(txi); |
2a4ffa4c JC |
1394 | |
1395 | /* frame was transmitted at most favorable rate at first attempt */ | |
1396 | txi->control.rates[0].count = 1; | |
1397 | txi->control.rates[1].idx = -1; | |
1398 | ||
e6a9854b JB |
1399 | if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK) && ack) |
1400 | txi->flags |= IEEE80211_TX_STAT_ACK; | |
acc1e7a3 | 1401 | ieee80211_tx_status_irqsafe(hw, skb); |
acc1e7a3 JM |
1402 | } |
1403 | ||
1404 | ||
1405 | static int mac80211_hwsim_start(struct ieee80211_hw *hw) | |
1406 | { | |
1407 | struct mac80211_hwsim_data *data = hw->priv; | |
c96c31e4 | 1408 | wiphy_debug(hw->wiphy, "%s\n", __func__); |
3db1cd5c | 1409 | data->started = true; |
acc1e7a3 JM |
1410 | return 0; |
1411 | } | |
1412 | ||
1413 | ||
1414 | static void mac80211_hwsim_stop(struct ieee80211_hw *hw) | |
1415 | { | |
1416 | struct mac80211_hwsim_data *data = hw->priv; | |
3db1cd5c | 1417 | data->started = false; |
01e59e46 | 1418 | tasklet_hrtimer_cancel(&data->beacon_timer); |
c96c31e4 | 1419 | wiphy_debug(hw->wiphy, "%s\n", __func__); |
acc1e7a3 JM |
1420 | } |
1421 | ||
1422 | ||
1423 | static int mac80211_hwsim_add_interface(struct ieee80211_hw *hw, | |
1ed32e4f | 1424 | struct ieee80211_vif *vif) |
acc1e7a3 | 1425 | { |
c96c31e4 | 1426 | wiphy_debug(hw->wiphy, "%s (type=%d mac_addr=%pM)\n", |
2ca27bcf JB |
1427 | __func__, ieee80211_vif_type_p2p(vif), |
1428 | vif->addr); | |
1ed32e4f | 1429 | hwsim_set_magic(vif); |
e8261171 JB |
1430 | |
1431 | vif->cab_queue = 0; | |
1432 | vif->hw_queue[IEEE80211_AC_VO] = 0; | |
1433 | vif->hw_queue[IEEE80211_AC_VI] = 1; | |
1434 | vif->hw_queue[IEEE80211_AC_BE] = 2; | |
1435 | vif->hw_queue[IEEE80211_AC_BK] = 3; | |
1436 | ||
acc1e7a3 JM |
1437 | return 0; |
1438 | } | |
1439 | ||
1440 | ||
c35d0270 JB |
1441 | static int mac80211_hwsim_change_interface(struct ieee80211_hw *hw, |
1442 | struct ieee80211_vif *vif, | |
2ca27bcf JB |
1443 | enum nl80211_iftype newtype, |
1444 | bool newp2p) | |
c35d0270 | 1445 | { |
2ca27bcf | 1446 | newtype = ieee80211_iftype_p2p(newtype, newp2p); |
c35d0270 JB |
1447 | wiphy_debug(hw->wiphy, |
1448 | "%s (old type=%d, new type=%d, mac_addr=%pM)\n", | |
2ca27bcf JB |
1449 | __func__, ieee80211_vif_type_p2p(vif), |
1450 | newtype, vif->addr); | |
c35d0270 JB |
1451 | hwsim_check_magic(vif); |
1452 | ||
3eb92f6a JB |
1453 | /* |
1454 | * interface may change from non-AP to AP in | |
1455 | * which case this needs to be set up again | |
1456 | */ | |
1457 | vif->cab_queue = 0; | |
1458 | ||
c35d0270 JB |
1459 | return 0; |
1460 | } | |
1461 | ||
acc1e7a3 | 1462 | static void mac80211_hwsim_remove_interface( |
1ed32e4f | 1463 | struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
acc1e7a3 | 1464 | { |
c96c31e4 | 1465 | wiphy_debug(hw->wiphy, "%s (type=%d mac_addr=%pM)\n", |
2ca27bcf JB |
1466 | __func__, ieee80211_vif_type_p2p(vif), |
1467 | vif->addr); | |
1ed32e4f JB |
1468 | hwsim_check_magic(vif); |
1469 | hwsim_clear_magic(vif); | |
acc1e7a3 JM |
1470 | } |
1471 | ||
e8261171 JB |
1472 | static void mac80211_hwsim_tx_frame(struct ieee80211_hw *hw, |
1473 | struct sk_buff *skb, | |
1474 | struct ieee80211_channel *chan) | |
1475 | { | |
f21e4d8e MW |
1476 | struct mac80211_hwsim_data *data = hw->priv; |
1477 | u32 _pid = ACCESS_ONCE(data->wmediumd); | |
e8261171 | 1478 | |
30686bf7 | 1479 | if (ieee80211_hw_check(hw, SUPPORTS_RC_TABLE)) { |
1eb32179 KB |
1480 | struct ieee80211_tx_info *txi = IEEE80211_SKB_CB(skb); |
1481 | ieee80211_get_tx_rates(txi->control.vif, NULL, skb, | |
1482 | txi->control.rates, | |
1483 | ARRAY_SIZE(txi->control.rates)); | |
1484 | } | |
1485 | ||
e8261171 JB |
1486 | mac80211_hwsim_monitor_rx(hw, skb, chan); |
1487 | ||
1488 | if (_pid) | |
1489 | return mac80211_hwsim_tx_frame_nl(hw, skb, _pid); | |
1490 | ||
1491 | mac80211_hwsim_tx_frame_no_nl(hw, skb, chan); | |
1492 | dev_kfree_skb(skb); | |
1493 | } | |
acc1e7a3 JM |
1494 | |
1495 | static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac, | |
1496 | struct ieee80211_vif *vif) | |
1497 | { | |
b66851c3 TP |
1498 | struct mac80211_hwsim_data *data = arg; |
1499 | struct ieee80211_hw *hw = data->hw; | |
1500 | struct ieee80211_tx_info *info; | |
1501 | struct ieee80211_rate *txrate; | |
1502 | struct ieee80211_mgmt *mgmt; | |
acc1e7a3 | 1503 | struct sk_buff *skb; |
acc1e7a3 | 1504 | |
8aa21e6f JB |
1505 | hwsim_check_magic(vif); |
1506 | ||
55b39619 | 1507 | if (vif->type != NL80211_IFTYPE_AP && |
2b2d7795 JB |
1508 | vif->type != NL80211_IFTYPE_MESH_POINT && |
1509 | vif->type != NL80211_IFTYPE_ADHOC) | |
acc1e7a3 JM |
1510 | return; |
1511 | ||
1512 | skb = ieee80211_beacon_get(hw, vif); | |
1513 | if (skb == NULL) | |
1514 | return; | |
b66851c3 | 1515 | info = IEEE80211_SKB_CB(skb); |
30686bf7 | 1516 | if (ieee80211_hw_check(hw, SUPPORTS_RC_TABLE)) |
1eb32179 KB |
1517 | ieee80211_get_tx_rates(vif, NULL, skb, |
1518 | info->control.rates, | |
1519 | ARRAY_SIZE(info->control.rates)); | |
1520 | ||
b66851c3 TP |
1521 | txrate = ieee80211_get_tx_rate(hw, info); |
1522 | ||
1523 | mgmt = (struct ieee80211_mgmt *) skb->data; | |
1524 | /* fake header transmission time */ | |
1525 | data->abs_bcn_ts = mac80211_hwsim_get_tsf_raw(); | |
1526 | mgmt->u.beacon.timestamp = cpu_to_le64(data->abs_bcn_ts + | |
1527 | data->tsf_offset + | |
1528 | 24 * 8 * 10 / txrate->bitrate); | |
7882513b | 1529 | |
e8261171 | 1530 | mac80211_hwsim_tx_frame(hw, skb, |
4bf88530 | 1531 | rcu_dereference(vif->chanctx_conf)->def.chan); |
0037db63 AO |
1532 | |
1533 | if (vif->csa_active && ieee80211_csa_is_complete(vif)) | |
1534 | ieee80211_csa_finish(vif); | |
acc1e7a3 JM |
1535 | } |
1536 | ||
01e59e46 TP |
1537 | static enum hrtimer_restart |
1538 | mac80211_hwsim_beacon(struct hrtimer *timer) | |
acc1e7a3 | 1539 | { |
01e59e46 TP |
1540 | struct mac80211_hwsim_data *data = |
1541 | container_of(timer, struct mac80211_hwsim_data, | |
1542 | beacon_timer.timer); | |
1543 | struct ieee80211_hw *hw = data->hw; | |
1544 | u64 bcn_int = data->beacon_int; | |
1545 | ktime_t next_bcn; | |
acc1e7a3 | 1546 | |
4c4c671a | 1547 | if (!data->started) |
01e59e46 | 1548 | goto out; |
acc1e7a3 | 1549 | |
f248f105 | 1550 | ieee80211_iterate_active_interfaces_atomic( |
8b2c9824 | 1551 | hw, IEEE80211_IFACE_ITER_NORMAL, |
b66851c3 | 1552 | mac80211_hwsim_beacon_tx, data); |
acc1e7a3 | 1553 | |
c51f8783 TP |
1554 | /* beacon at new TBTT + beacon interval */ |
1555 | if (data->bcn_delta) { | |
1556 | bcn_int -= data->bcn_delta; | |
1557 | data->bcn_delta = 0; | |
1558 | } | |
1559 | ||
01e59e46 TP |
1560 | next_bcn = ktime_add(hrtimer_get_expires(timer), |
1561 | ns_to_ktime(bcn_int * 1000)); | |
1562 | tasklet_hrtimer_start(&data->beacon_timer, next_bcn, HRTIMER_MODE_ABS); | |
1563 | out: | |
1564 | return HRTIMER_NORESTART; | |
acc1e7a3 JM |
1565 | } |
1566 | ||
675a0b04 KB |
1567 | static const char * const hwsim_chanwidths[] = { |
1568 | [NL80211_CHAN_WIDTH_20_NOHT] = "noht", | |
1569 | [NL80211_CHAN_WIDTH_20] = "ht20", | |
1570 | [NL80211_CHAN_WIDTH_40] = "ht40", | |
1571 | [NL80211_CHAN_WIDTH_80] = "vht80", | |
1572 | [NL80211_CHAN_WIDTH_80P80] = "vht80p80", | |
1573 | [NL80211_CHAN_WIDTH_160] = "vht160", | |
0aaffa9b | 1574 | }; |
acc1e7a3 | 1575 | |
e8975581 | 1576 | static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed) |
acc1e7a3 JM |
1577 | { |
1578 | struct mac80211_hwsim_data *data = hw->priv; | |
e8975581 | 1579 | struct ieee80211_conf *conf = &hw->conf; |
0f78231b JB |
1580 | static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { |
1581 | [IEEE80211_SMPS_AUTOMATIC] = "auto", | |
1582 | [IEEE80211_SMPS_OFF] = "off", | |
1583 | [IEEE80211_SMPS_STATIC] = "static", | |
1584 | [IEEE80211_SMPS_DYNAMIC] = "dynamic", | |
1585 | }; | |
1586 | ||
675a0b04 KB |
1587 | if (conf->chandef.chan) |
1588 | wiphy_debug(hw->wiphy, | |
1589 | "%s (freq=%d(%d - %d)/%s idle=%d ps=%d smps=%s)\n", | |
1590 | __func__, | |
1591 | conf->chandef.chan->center_freq, | |
1592 | conf->chandef.center_freq1, | |
1593 | conf->chandef.center_freq2, | |
1594 | hwsim_chanwidths[conf->chandef.width], | |
1595 | !!(conf->flags & IEEE80211_CONF_IDLE), | |
1596 | !!(conf->flags & IEEE80211_CONF_PS), | |
1597 | smps_modes[conf->smps_mode]); | |
1598 | else | |
1599 | wiphy_debug(hw->wiphy, | |
1600 | "%s (freq=0 idle=%d ps=%d smps=%s)\n", | |
1601 | __func__, | |
1602 | !!(conf->flags & IEEE80211_CONF_IDLE), | |
1603 | !!(conf->flags & IEEE80211_CONF_PS), | |
1604 | smps_modes[conf->smps_mode]); | |
acc1e7a3 | 1605 | |
70541839 JM |
1606 | data->idle = !!(conf->flags & IEEE80211_CONF_IDLE); |
1607 | ||
675a0b04 | 1608 | data->channel = conf->chandef.chan; |
e8261171 | 1609 | |
361c3e04 | 1610 | WARN_ON(data->channel && data->use_chanctx); |
e8261171 | 1611 | |
bdd7bd16 | 1612 | data->power_level = conf->power_level; |
4c4c671a | 1613 | if (!data->started || !data->beacon_int) |
01e59e46 TP |
1614 | tasklet_hrtimer_cancel(&data->beacon_timer); |
1615 | else if (!hrtimer_is_queued(&data->beacon_timer.timer)) { | |
c51f8783 TP |
1616 | u64 tsf = mac80211_hwsim_get_tsf(hw, NULL); |
1617 | u32 bcn_int = data->beacon_int; | |
1618 | u64 until_tbtt = bcn_int - do_div(tsf, bcn_int); | |
1619 | ||
01e59e46 | 1620 | tasklet_hrtimer_start(&data->beacon_timer, |
c51f8783 | 1621 | ns_to_ktime(until_tbtt * 1000), |
01e59e46 TP |
1622 | HRTIMER_MODE_REL); |
1623 | } | |
acc1e7a3 JM |
1624 | |
1625 | return 0; | |
1626 | } | |
1627 | ||
1628 | ||
1629 | static void mac80211_hwsim_configure_filter(struct ieee80211_hw *hw, | |
1630 | unsigned int changed_flags, | |
3ac64bee | 1631 | unsigned int *total_flags,u64 multicast) |
acc1e7a3 JM |
1632 | { |
1633 | struct mac80211_hwsim_data *data = hw->priv; | |
1634 | ||
c96c31e4 | 1635 | wiphy_debug(hw->wiphy, "%s\n", __func__); |
acc1e7a3 JM |
1636 | |
1637 | data->rx_filter = 0; | |
acc1e7a3 JM |
1638 | if (*total_flags & FIF_ALLMULTI) |
1639 | data->rx_filter |= FIF_ALLMULTI; | |
1640 | ||
1641 | *total_flags = data->rx_filter; | |
1642 | } | |
1643 | ||
0bb861e6 JM |
1644 | static void mac80211_hwsim_bcn_en_iter(void *data, u8 *mac, |
1645 | struct ieee80211_vif *vif) | |
1646 | { | |
1647 | unsigned int *count = data; | |
1648 | struct hwsim_vif_priv *vp = (void *)vif->drv_priv; | |
1649 | ||
1650 | if (vp->bcn_en) | |
1651 | (*count)++; | |
1652 | } | |
1653 | ||
8aa21e6f JB |
1654 | static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw, |
1655 | struct ieee80211_vif *vif, | |
1656 | struct ieee80211_bss_conf *info, | |
1657 | u32 changed) | |
1658 | { | |
fc6971d4 | 1659 | struct hwsim_vif_priv *vp = (void *)vif->drv_priv; |
57c4d7b4 | 1660 | struct mac80211_hwsim_data *data = hw->priv; |
fc6971d4 | 1661 | |
8aa21e6f | 1662 | hwsim_check_magic(vif); |
fe63bfa3 | 1663 | |
0bb861e6 JM |
1664 | wiphy_debug(hw->wiphy, "%s(changed=0x%x vif->addr=%pM)\n", |
1665 | __func__, changed, vif->addr); | |
fe63bfa3 | 1666 | |
2d0ddec5 | 1667 | if (changed & BSS_CHANGED_BSSID) { |
c96c31e4 JP |
1668 | wiphy_debug(hw->wiphy, "%s: BSSID changed: %pM\n", |
1669 | __func__, info->bssid); | |
2d0ddec5 JB |
1670 | memcpy(vp->bssid, info->bssid, ETH_ALEN); |
1671 | } | |
1672 | ||
fe63bfa3 | 1673 | if (changed & BSS_CHANGED_ASSOC) { |
c96c31e4 JP |
1674 | wiphy_debug(hw->wiphy, " ASSOC: assoc=%d aid=%d\n", |
1675 | info->assoc, info->aid); | |
fc6971d4 JM |
1676 | vp->assoc = info->assoc; |
1677 | vp->aid = info->aid; | |
fe63bfa3 JM |
1678 | } |
1679 | ||
01e59e46 | 1680 | if (changed & BSS_CHANGED_BEACON_ENABLED) { |
56067628 JB |
1681 | wiphy_debug(hw->wiphy, " BCN EN: %d (BI=%u)\n", |
1682 | info->enable_beacon, info->beacon_int); | |
0bb861e6 | 1683 | vp->bcn_en = info->enable_beacon; |
01e59e46 TP |
1684 | if (data->started && |
1685 | !hrtimer_is_queued(&data->beacon_timer.timer) && | |
1686 | info->enable_beacon) { | |
c51f8783 TP |
1687 | u64 tsf, until_tbtt; |
1688 | u32 bcn_int; | |
56067628 | 1689 | data->beacon_int = info->beacon_int * 1024; |
c51f8783 TP |
1690 | tsf = mac80211_hwsim_get_tsf(hw, vif); |
1691 | bcn_int = data->beacon_int; | |
1692 | until_tbtt = bcn_int - do_div(tsf, bcn_int); | |
01e59e46 | 1693 | tasklet_hrtimer_start(&data->beacon_timer, |
c51f8783 | 1694 | ns_to_ktime(until_tbtt * 1000), |
01e59e46 | 1695 | HRTIMER_MODE_REL); |
0bb861e6 JM |
1696 | } else if (!info->enable_beacon) { |
1697 | unsigned int count = 0; | |
cdb1b805 | 1698 | ieee80211_iterate_active_interfaces_atomic( |
0bb861e6 JM |
1699 | data->hw, IEEE80211_IFACE_ITER_NORMAL, |
1700 | mac80211_hwsim_bcn_en_iter, &count); | |
1701 | wiphy_debug(hw->wiphy, " beaconing vifs remaining: %u", | |
1702 | count); | |
56067628 | 1703 | if (count == 0) { |
0bb861e6 | 1704 | tasklet_hrtimer_cancel(&data->beacon_timer); |
56067628 JB |
1705 | data->beacon_int = 0; |
1706 | } | |
0bb861e6 | 1707 | } |
57c4d7b4 JB |
1708 | } |
1709 | ||
fe63bfa3 | 1710 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
c96c31e4 JP |
1711 | wiphy_debug(hw->wiphy, " ERP_CTS_PROT: %d\n", |
1712 | info->use_cts_prot); | |
fe63bfa3 JM |
1713 | } |
1714 | ||
1715 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
c96c31e4 JP |
1716 | wiphy_debug(hw->wiphy, " ERP_PREAMBLE: %d\n", |
1717 | info->use_short_preamble); | |
fe63bfa3 JM |
1718 | } |
1719 | ||
1720 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
c96c31e4 | 1721 | wiphy_debug(hw->wiphy, " ERP_SLOT: %d\n", info->use_short_slot); |
fe63bfa3 JM |
1722 | } |
1723 | ||
1724 | if (changed & BSS_CHANGED_HT) { | |
4bf88530 JB |
1725 | wiphy_debug(hw->wiphy, " HT: op_mode=0x%x\n", |
1726 | info->ht_operation_mode); | |
fe63bfa3 JM |
1727 | } |
1728 | ||
1729 | if (changed & BSS_CHANGED_BASIC_RATES) { | |
c96c31e4 JP |
1730 | wiphy_debug(hw->wiphy, " BASIC_RATES: 0x%llx\n", |
1731 | (unsigned long long) info->basic_rates); | |
fe63bfa3 | 1732 | } |
cbc668a7 JB |
1733 | |
1734 | if (changed & BSS_CHANGED_TXPOWER) | |
1735 | wiphy_debug(hw->wiphy, " TX Power: %d dBm\n", info->txpower); | |
8aa21e6f JB |
1736 | } |
1737 | ||
1d669cbf JB |
1738 | static int mac80211_hwsim_sta_add(struct ieee80211_hw *hw, |
1739 | struct ieee80211_vif *vif, | |
1740 | struct ieee80211_sta *sta) | |
1741 | { | |
1742 | hwsim_check_magic(vif); | |
1743 | hwsim_set_sta_magic(sta); | |
1744 | ||
1745 | return 0; | |
1746 | } | |
1747 | ||
1748 | static int mac80211_hwsim_sta_remove(struct ieee80211_hw *hw, | |
1749 | struct ieee80211_vif *vif, | |
1750 | struct ieee80211_sta *sta) | |
1751 | { | |
1752 | hwsim_check_magic(vif); | |
1753 | hwsim_clear_sta_magic(sta); | |
1754 | ||
1755 | return 0; | |
1756 | } | |
1757 | ||
8aa21e6f JB |
1758 | static void mac80211_hwsim_sta_notify(struct ieee80211_hw *hw, |
1759 | struct ieee80211_vif *vif, | |
17741cdc JB |
1760 | enum sta_notify_cmd cmd, |
1761 | struct ieee80211_sta *sta) | |
8aa21e6f JB |
1762 | { |
1763 | hwsim_check_magic(vif); | |
1d669cbf | 1764 | |
81c06523 | 1765 | switch (cmd) { |
89fad578 CL |
1766 | case STA_NOTIFY_SLEEP: |
1767 | case STA_NOTIFY_AWAKE: | |
1768 | /* TODO: make good use of these flags */ | |
1769 | break; | |
1d669cbf JB |
1770 | default: |
1771 | WARN(1, "Invalid sta notify: %d\n", cmd); | |
1772 | break; | |
81c06523 JB |
1773 | } |
1774 | } | |
1775 | ||
1776 | static int mac80211_hwsim_set_tim(struct ieee80211_hw *hw, | |
1777 | struct ieee80211_sta *sta, | |
1778 | bool set) | |
1779 | { | |
1780 | hwsim_check_sta_magic(sta); | |
1781 | return 0; | |
8aa21e6f | 1782 | } |
acc1e7a3 | 1783 | |
1e898ff8 | 1784 | static int mac80211_hwsim_conf_tx( |
8a3a3c85 EP |
1785 | struct ieee80211_hw *hw, |
1786 | struct ieee80211_vif *vif, u16 queue, | |
1e898ff8 JM |
1787 | const struct ieee80211_tx_queue_params *params) |
1788 | { | |
c96c31e4 JP |
1789 | wiphy_debug(hw->wiphy, |
1790 | "%s (queue=%d txop=%d cw_min=%d cw_max=%d aifs=%d)\n", | |
1791 | __func__, queue, | |
1792 | params->txop, params->cw_min, | |
1793 | params->cw_max, params->aifs); | |
1e898ff8 JM |
1794 | return 0; |
1795 | } | |
1796 | ||
1289723e HS |
1797 | static int mac80211_hwsim_get_survey( |
1798 | struct ieee80211_hw *hw, int idx, | |
1799 | struct survey_info *survey) | |
1800 | { | |
1801 | struct ieee80211_conf *conf = &hw->conf; | |
1802 | ||
c96c31e4 | 1803 | wiphy_debug(hw->wiphy, "%s (idx=%d)\n", __func__, idx); |
1289723e HS |
1804 | |
1805 | if (idx != 0) | |
1806 | return -ENOENT; | |
1807 | ||
1808 | /* Current channel */ | |
675a0b04 | 1809 | survey->channel = conf->chandef.chan; |
1289723e HS |
1810 | |
1811 | /* | |
1812 | * Magically conjured noise level --- this is only ok for simulated hardware. | |
1813 | * | |
1814 | * A real driver which cannot determine the real channel noise MUST NOT | |
1815 | * report any noise, especially not a magically conjured one :-) | |
1816 | */ | |
1817 | survey->filled = SURVEY_INFO_NOISE_DBM; | |
1818 | survey->noise = -92; | |
1819 | ||
1820 | return 0; | |
1821 | } | |
1822 | ||
aff89a9b JB |
1823 | #ifdef CONFIG_NL80211_TESTMODE |
1824 | /* | |
1825 | * This section contains example code for using netlink | |
1826 | * attributes with the testmode command in nl80211. | |
1827 | */ | |
1828 | ||
1829 | /* These enums need to be kept in sync with userspace */ | |
1830 | enum hwsim_testmode_attr { | |
1831 | __HWSIM_TM_ATTR_INVALID = 0, | |
1832 | HWSIM_TM_ATTR_CMD = 1, | |
1833 | HWSIM_TM_ATTR_PS = 2, | |
1834 | ||
1835 | /* keep last */ | |
1836 | __HWSIM_TM_ATTR_AFTER_LAST, | |
1837 | HWSIM_TM_ATTR_MAX = __HWSIM_TM_ATTR_AFTER_LAST - 1 | |
1838 | }; | |
1839 | ||
1840 | enum hwsim_testmode_cmd { | |
1841 | HWSIM_TM_CMD_SET_PS = 0, | |
1842 | HWSIM_TM_CMD_GET_PS = 1, | |
4d6d0ae2 JB |
1843 | HWSIM_TM_CMD_STOP_QUEUES = 2, |
1844 | HWSIM_TM_CMD_WAKE_QUEUES = 3, | |
aff89a9b JB |
1845 | }; |
1846 | ||
1847 | static const struct nla_policy hwsim_testmode_policy[HWSIM_TM_ATTR_MAX + 1] = { | |
1848 | [HWSIM_TM_ATTR_CMD] = { .type = NLA_U32 }, | |
1849 | [HWSIM_TM_ATTR_PS] = { .type = NLA_U32 }, | |
1850 | }; | |
1851 | ||
5bc38193 | 1852 | static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw, |
52981cd7 | 1853 | struct ieee80211_vif *vif, |
5bc38193 | 1854 | void *data, int len) |
aff89a9b JB |
1855 | { |
1856 | struct mac80211_hwsim_data *hwsim = hw->priv; | |
1857 | struct nlattr *tb[HWSIM_TM_ATTR_MAX + 1]; | |
1858 | struct sk_buff *skb; | |
1859 | int err, ps; | |
1860 | ||
1861 | err = nla_parse(tb, HWSIM_TM_ATTR_MAX, data, len, | |
1862 | hwsim_testmode_policy); | |
1863 | if (err) | |
1864 | return err; | |
1865 | ||
1866 | if (!tb[HWSIM_TM_ATTR_CMD]) | |
1867 | return -EINVAL; | |
1868 | ||
1869 | switch (nla_get_u32(tb[HWSIM_TM_ATTR_CMD])) { | |
1870 | case HWSIM_TM_CMD_SET_PS: | |
1871 | if (!tb[HWSIM_TM_ATTR_PS]) | |
1872 | return -EINVAL; | |
1873 | ps = nla_get_u32(tb[HWSIM_TM_ATTR_PS]); | |
1874 | return hwsim_fops_ps_write(hwsim, ps); | |
1875 | case HWSIM_TM_CMD_GET_PS: | |
1876 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, | |
1877 | nla_total_size(sizeof(u32))); | |
1878 | if (!skb) | |
1879 | return -ENOMEM; | |
633c9389 DM |
1880 | if (nla_put_u32(skb, HWSIM_TM_ATTR_PS, hwsim->ps)) |
1881 | goto nla_put_failure; | |
aff89a9b | 1882 | return cfg80211_testmode_reply(skb); |
4d6d0ae2 JB |
1883 | case HWSIM_TM_CMD_STOP_QUEUES: |
1884 | ieee80211_stop_queues(hw); | |
1885 | return 0; | |
1886 | case HWSIM_TM_CMD_WAKE_QUEUES: | |
1887 | ieee80211_wake_queues(hw); | |
1888 | return 0; | |
aff89a9b JB |
1889 | default: |
1890 | return -EOPNOTSUPP; | |
1891 | } | |
1892 | ||
1893 | nla_put_failure: | |
1894 | kfree_skb(skb); | |
1895 | return -ENOBUFS; | |
1896 | } | |
1897 | #endif | |
1898 | ||
8b73d13a JB |
1899 | static int mac80211_hwsim_ampdu_action(struct ieee80211_hw *hw, |
1900 | struct ieee80211_vif *vif, | |
50ea05ef | 1901 | struct ieee80211_ampdu_params *params) |
8b73d13a | 1902 | { |
50ea05ef SS |
1903 | struct ieee80211_sta *sta = params->sta; |
1904 | enum ieee80211_ampdu_mlme_action action = params->action; | |
1905 | u16 tid = params->tid; | |
1906 | ||
8b73d13a JB |
1907 | switch (action) { |
1908 | case IEEE80211_AMPDU_TX_START: | |
1909 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
1910 | break; | |
18b559d5 JB |
1911 | case IEEE80211_AMPDU_TX_STOP_CONT: |
1912 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
1913 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
8b73d13a JB |
1914 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
1915 | break; | |
1916 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
1917 | break; | |
1918 | case IEEE80211_AMPDU_RX_START: | |
1919 | case IEEE80211_AMPDU_RX_STOP: | |
1920 | break; | |
1921 | default: | |
1922 | return -EOPNOTSUPP; | |
1923 | } | |
1924 | ||
1925 | return 0; | |
1926 | } | |
1927 | ||
77be2c54 EG |
1928 | static void mac80211_hwsim_flush(struct ieee80211_hw *hw, |
1929 | struct ieee80211_vif *vif, | |
1930 | u32 queues, bool drop) | |
a80f7c0b | 1931 | { |
7882513b | 1932 | /* Not implemented, queues only on kernel side */ |
a80f7c0b JB |
1933 | } |
1934 | ||
e8261171 | 1935 | static void hw_scan_work(struct work_struct *work) |
69068036 | 1936 | { |
e8261171 JB |
1937 | struct mac80211_hwsim_data *hwsim = |
1938 | container_of(work, struct mac80211_hwsim_data, hw_scan.work); | |
1939 | struct cfg80211_scan_request *req = hwsim->hw_scan_request; | |
1940 | int dwell, i; | |
69068036 | 1941 | |
e8261171 JB |
1942 | mutex_lock(&hwsim->mutex); |
1943 | if (hwsim->scan_chan_idx >= req->n_channels) { | |
7947d3e0 AS |
1944 | struct cfg80211_scan_info info = { |
1945 | .aborted = false, | |
1946 | }; | |
1947 | ||
e8261171 | 1948 | wiphy_debug(hwsim->hw->wiphy, "hw scan complete\n"); |
7947d3e0 | 1949 | ieee80211_scan_completed(hwsim->hw, &info); |
e8261171 JB |
1950 | hwsim->hw_scan_request = NULL; |
1951 | hwsim->hw_scan_vif = NULL; | |
1952 | hwsim->tmp_chan = NULL; | |
1953 | mutex_unlock(&hwsim->mutex); | |
1954 | return; | |
1955 | } | |
1956 | ||
1957 | wiphy_debug(hwsim->hw->wiphy, "hw scan %d MHz\n", | |
1958 | req->channels[hwsim->scan_chan_idx]->center_freq); | |
1959 | ||
1960 | hwsim->tmp_chan = req->channels[hwsim->scan_chan_idx]; | |
a8e828de JB |
1961 | if (hwsim->tmp_chan->flags & (IEEE80211_CHAN_NO_IR | |
1962 | IEEE80211_CHAN_RADAR) || | |
e8261171 JB |
1963 | !req->n_ssids) { |
1964 | dwell = 120; | |
1965 | } else { | |
1966 | dwell = 30; | |
1967 | /* send probes */ | |
1968 | for (i = 0; i < req->n_ssids; i++) { | |
1969 | struct sk_buff *probe; | |
12880d16 | 1970 | struct ieee80211_mgmt *mgmt; |
e8261171 JB |
1971 | |
1972 | probe = ieee80211_probereq_get(hwsim->hw, | |
339467b9 | 1973 | hwsim->scan_addr, |
e8261171 JB |
1974 | req->ssids[i].ssid, |
1975 | req->ssids[i].ssid_len, | |
b9a9ada1 | 1976 | req->ie_len); |
e8261171 JB |
1977 | if (!probe) |
1978 | continue; | |
b9a9ada1 | 1979 | |
12880d16 JM |
1980 | mgmt = (struct ieee80211_mgmt *) probe->data; |
1981 | memcpy(mgmt->da, req->bssid, ETH_ALEN); | |
1982 | memcpy(mgmt->bssid, req->bssid, ETH_ALEN); | |
1983 | ||
b9a9ada1 JB |
1984 | if (req->ie_len) |
1985 | memcpy(skb_put(probe, req->ie_len), req->ie, | |
1986 | req->ie_len); | |
1987 | ||
e8261171 JB |
1988 | local_bh_disable(); |
1989 | mac80211_hwsim_tx_frame(hwsim->hw, probe, | |
1990 | hwsim->tmp_chan); | |
1991 | local_bh_enable(); | |
1992 | } | |
1993 | } | |
1994 | ieee80211_queue_delayed_work(hwsim->hw, &hwsim->hw_scan, | |
1995 | msecs_to_jiffies(dwell)); | |
1996 | hwsim->scan_chan_idx++; | |
1997 | mutex_unlock(&hwsim->mutex); | |
69068036 JB |
1998 | } |
1999 | ||
2000 | static int mac80211_hwsim_hw_scan(struct ieee80211_hw *hw, | |
a060bbfe | 2001 | struct ieee80211_vif *vif, |
c56ef672 | 2002 | struct ieee80211_scan_request *hw_req) |
69068036 | 2003 | { |
e8261171 | 2004 | struct mac80211_hwsim_data *hwsim = hw->priv; |
c56ef672 | 2005 | struct cfg80211_scan_request *req = &hw_req->req; |
69068036 | 2006 | |
e8261171 JB |
2007 | mutex_lock(&hwsim->mutex); |
2008 | if (WARN_ON(hwsim->tmp_chan || hwsim->hw_scan_request)) { | |
2009 | mutex_unlock(&hwsim->mutex); | |
2010 | return -EBUSY; | |
2011 | } | |
2012 | hwsim->hw_scan_request = req; | |
2013 | hwsim->hw_scan_vif = vif; | |
2014 | hwsim->scan_chan_idx = 0; | |
339467b9 JB |
2015 | if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) |
2016 | get_random_mask_addr(hwsim->scan_addr, | |
2017 | hw_req->req.mac_addr, | |
2018 | hw_req->req.mac_addr_mask); | |
2019 | else | |
2020 | memcpy(hwsim->scan_addr, vif->addr, ETH_ALEN); | |
e8261171 | 2021 | mutex_unlock(&hwsim->mutex); |
69068036 | 2022 | |
e8261171 | 2023 | wiphy_debug(hw->wiphy, "hwsim hw_scan request\n"); |
69068036 | 2024 | |
e8261171 | 2025 | ieee80211_queue_delayed_work(hwsim->hw, &hwsim->hw_scan, 0); |
69068036 JB |
2026 | |
2027 | return 0; | |
2028 | } | |
2029 | ||
e8261171 JB |
2030 | static void mac80211_hwsim_cancel_hw_scan(struct ieee80211_hw *hw, |
2031 | struct ieee80211_vif *vif) | |
2032 | { | |
2033 | struct mac80211_hwsim_data *hwsim = hw->priv; | |
7947d3e0 AS |
2034 | struct cfg80211_scan_info info = { |
2035 | .aborted = true, | |
2036 | }; | |
e8261171 JB |
2037 | |
2038 | wiphy_debug(hw->wiphy, "hwsim cancel_hw_scan\n"); | |
2039 | ||
2040 | cancel_delayed_work_sync(&hwsim->hw_scan); | |
2041 | ||
2042 | mutex_lock(&hwsim->mutex); | |
7947d3e0 | 2043 | ieee80211_scan_completed(hwsim->hw, &info); |
e8261171 JB |
2044 | hwsim->tmp_chan = NULL; |
2045 | hwsim->hw_scan_request = NULL; | |
2046 | hwsim->hw_scan_vif = NULL; | |
2047 | mutex_unlock(&hwsim->mutex); | |
2048 | } | |
2049 | ||
a344d677 JB |
2050 | static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw, |
2051 | struct ieee80211_vif *vif, | |
2052 | const u8 *mac_addr) | |
f74cb0f7 LR |
2053 | { |
2054 | struct mac80211_hwsim_data *hwsim = hw->priv; | |
2055 | ||
2056 | mutex_lock(&hwsim->mutex); | |
2057 | ||
2058 | if (hwsim->scanning) { | |
2059 | printk(KERN_DEBUG "two hwsim sw_scans detected!\n"); | |
2060 | goto out; | |
2061 | } | |
2062 | ||
2063 | printk(KERN_DEBUG "hwsim sw_scan request, prepping stuff\n"); | |
339467b9 JB |
2064 | |
2065 | memcpy(hwsim->scan_addr, mac_addr, ETH_ALEN); | |
f74cb0f7 LR |
2066 | hwsim->scanning = true; |
2067 | ||
2068 | out: | |
2069 | mutex_unlock(&hwsim->mutex); | |
2070 | } | |
2071 | ||
a344d677 JB |
2072 | static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw, |
2073 | struct ieee80211_vif *vif) | |
f74cb0f7 LR |
2074 | { |
2075 | struct mac80211_hwsim_data *hwsim = hw->priv; | |
2076 | ||
2077 | mutex_lock(&hwsim->mutex); | |
2078 | ||
2079 | printk(KERN_DEBUG "hwsim sw_scan_complete\n"); | |
23ff98fc | 2080 | hwsim->scanning = false; |
93803b33 | 2081 | eth_zero_addr(hwsim->scan_addr); |
f74cb0f7 LR |
2082 | |
2083 | mutex_unlock(&hwsim->mutex); | |
2084 | } | |
2085 | ||
661ef475 JB |
2086 | static void hw_roc_start(struct work_struct *work) |
2087 | { | |
2088 | struct mac80211_hwsim_data *hwsim = | |
2089 | container_of(work, struct mac80211_hwsim_data, roc_start.work); | |
2090 | ||
2091 | mutex_lock(&hwsim->mutex); | |
2092 | ||
2093 | wiphy_debug(hwsim->hw->wiphy, "hwsim ROC begins\n"); | |
2094 | hwsim->tmp_chan = hwsim->roc_chan; | |
2095 | ieee80211_ready_on_channel(hwsim->hw); | |
2096 | ||
2097 | ieee80211_queue_delayed_work(hwsim->hw, &hwsim->roc_done, | |
2098 | msecs_to_jiffies(hwsim->roc_duration)); | |
2099 | ||
2100 | mutex_unlock(&hwsim->mutex); | |
2101 | } | |
2102 | ||
e8261171 JB |
2103 | static void hw_roc_done(struct work_struct *work) |
2104 | { | |
2105 | struct mac80211_hwsim_data *hwsim = | |
2106 | container_of(work, struct mac80211_hwsim_data, roc_done.work); | |
2107 | ||
2108 | mutex_lock(&hwsim->mutex); | |
2109 | ieee80211_remain_on_channel_expired(hwsim->hw); | |
2110 | hwsim->tmp_chan = NULL; | |
2111 | mutex_unlock(&hwsim->mutex); | |
2112 | ||
2113 | wiphy_debug(hwsim->hw->wiphy, "hwsim ROC expired\n"); | |
2114 | } | |
2115 | ||
2116 | static int mac80211_hwsim_roc(struct ieee80211_hw *hw, | |
49884568 | 2117 | struct ieee80211_vif *vif, |
e8261171 | 2118 | struct ieee80211_channel *chan, |
d339d5ca IP |
2119 | int duration, |
2120 | enum ieee80211_roc_type type) | |
e8261171 JB |
2121 | { |
2122 | struct mac80211_hwsim_data *hwsim = hw->priv; | |
2123 | ||
2124 | mutex_lock(&hwsim->mutex); | |
2125 | if (WARN_ON(hwsim->tmp_chan || hwsim->hw_scan_request)) { | |
2126 | mutex_unlock(&hwsim->mutex); | |
2127 | return -EBUSY; | |
2128 | } | |
2129 | ||
661ef475 JB |
2130 | hwsim->roc_chan = chan; |
2131 | hwsim->roc_duration = duration; | |
e8261171 JB |
2132 | mutex_unlock(&hwsim->mutex); |
2133 | ||
2134 | wiphy_debug(hw->wiphy, "hwsim ROC (%d MHz, %d ms)\n", | |
2135 | chan->center_freq, duration); | |
661ef475 | 2136 | ieee80211_queue_delayed_work(hw, &hwsim->roc_start, HZ/50); |
e8261171 | 2137 | |
e8261171 JB |
2138 | return 0; |
2139 | } | |
2140 | ||
2141 | static int mac80211_hwsim_croc(struct ieee80211_hw *hw) | |
2142 | { | |
2143 | struct mac80211_hwsim_data *hwsim = hw->priv; | |
2144 | ||
661ef475 | 2145 | cancel_delayed_work_sync(&hwsim->roc_start); |
e8261171 JB |
2146 | cancel_delayed_work_sync(&hwsim->roc_done); |
2147 | ||
2148 | mutex_lock(&hwsim->mutex); | |
2149 | hwsim->tmp_chan = NULL; | |
2150 | mutex_unlock(&hwsim->mutex); | |
2151 | ||
2152 | wiphy_debug(hw->wiphy, "hwsim ROC canceled\n"); | |
2153 | ||
2154 | return 0; | |
2155 | } | |
2156 | ||
2157 | static int mac80211_hwsim_add_chanctx(struct ieee80211_hw *hw, | |
2158 | struct ieee80211_chanctx_conf *ctx) | |
2159 | { | |
2160 | hwsim_set_chanctx_magic(ctx); | |
4bf88530 JB |
2161 | wiphy_debug(hw->wiphy, |
2162 | "add channel context control: %d MHz/width: %d/cfreqs:%d/%d MHz\n", | |
2163 | ctx->def.chan->center_freq, ctx->def.width, | |
2164 | ctx->def.center_freq1, ctx->def.center_freq2); | |
e8261171 JB |
2165 | return 0; |
2166 | } | |
2167 | ||
2168 | static void mac80211_hwsim_remove_chanctx(struct ieee80211_hw *hw, | |
2169 | struct ieee80211_chanctx_conf *ctx) | |
2170 | { | |
4bf88530 JB |
2171 | wiphy_debug(hw->wiphy, |
2172 | "remove channel context control: %d MHz/width: %d/cfreqs:%d/%d MHz\n", | |
2173 | ctx->def.chan->center_freq, ctx->def.width, | |
2174 | ctx->def.center_freq1, ctx->def.center_freq2); | |
e8261171 JB |
2175 | hwsim_check_chanctx_magic(ctx); |
2176 | hwsim_clear_chanctx_magic(ctx); | |
2177 | } | |
2178 | ||
2179 | static void mac80211_hwsim_change_chanctx(struct ieee80211_hw *hw, | |
2180 | struct ieee80211_chanctx_conf *ctx, | |
2181 | u32 changed) | |
2182 | { | |
2183 | hwsim_check_chanctx_magic(ctx); | |
4bf88530 JB |
2184 | wiphy_debug(hw->wiphy, |
2185 | "change channel context control: %d MHz/width: %d/cfreqs:%d/%d MHz\n", | |
2186 | ctx->def.chan->center_freq, ctx->def.width, | |
2187 | ctx->def.center_freq1, ctx->def.center_freq2); | |
e8261171 JB |
2188 | } |
2189 | ||
2190 | static int mac80211_hwsim_assign_vif_chanctx(struct ieee80211_hw *hw, | |
2191 | struct ieee80211_vif *vif, | |
2192 | struct ieee80211_chanctx_conf *ctx) | |
2193 | { | |
2194 | hwsim_check_magic(vif); | |
2195 | hwsim_check_chanctx_magic(ctx); | |
2196 | ||
2197 | return 0; | |
2198 | } | |
2199 | ||
2200 | static void mac80211_hwsim_unassign_vif_chanctx(struct ieee80211_hw *hw, | |
2201 | struct ieee80211_vif *vif, | |
2202 | struct ieee80211_chanctx_conf *ctx) | |
2203 | { | |
2204 | hwsim_check_magic(vif); | |
2205 | hwsim_check_chanctx_magic(ctx); | |
2206 | } | |
2207 | ||
2155c3f8 BG |
2208 | static const char mac80211_hwsim_gstrings_stats[][ETH_GSTRING_LEN] = { |
2209 | "tx_pkts_nic", | |
2210 | "tx_bytes_nic", | |
2211 | "rx_pkts_nic", | |
2212 | "rx_bytes_nic", | |
2213 | "d_tx_dropped", | |
2214 | "d_tx_failed", | |
2215 | "d_ps_mode", | |
2216 | "d_group", | |
2217 | "d_tx_power", | |
2218 | }; | |
2219 | ||
2220 | #define MAC80211_HWSIM_SSTATS_LEN ARRAY_SIZE(mac80211_hwsim_gstrings_stats) | |
2221 | ||
2222 | static void mac80211_hwsim_get_et_strings(struct ieee80211_hw *hw, | |
2223 | struct ieee80211_vif *vif, | |
2224 | u32 sset, u8 *data) | |
2225 | { | |
2226 | if (sset == ETH_SS_STATS) | |
2227 | memcpy(data, *mac80211_hwsim_gstrings_stats, | |
2228 | sizeof(mac80211_hwsim_gstrings_stats)); | |
2229 | } | |
2230 | ||
2231 | static int mac80211_hwsim_get_et_sset_count(struct ieee80211_hw *hw, | |
2232 | struct ieee80211_vif *vif, int sset) | |
2233 | { | |
2234 | if (sset == ETH_SS_STATS) | |
2235 | return MAC80211_HWSIM_SSTATS_LEN; | |
2236 | return 0; | |
2237 | } | |
2238 | ||
2239 | static void mac80211_hwsim_get_et_stats(struct ieee80211_hw *hw, | |
2240 | struct ieee80211_vif *vif, | |
2241 | struct ethtool_stats *stats, u64 *data) | |
2242 | { | |
2243 | struct mac80211_hwsim_data *ar = hw->priv; | |
2244 | int i = 0; | |
2245 | ||
2246 | data[i++] = ar->tx_pkts; | |
2247 | data[i++] = ar->tx_bytes; | |
2248 | data[i++] = ar->rx_pkts; | |
2249 | data[i++] = ar->rx_bytes; | |
2250 | data[i++] = ar->tx_dropped; | |
2251 | data[i++] = ar->tx_failed; | |
2252 | data[i++] = ar->ps; | |
2253 | data[i++] = ar->group; | |
2254 | data[i++] = ar->power_level; | |
2255 | ||
2256 | WARN_ON(i != MAC80211_HWSIM_SSTATS_LEN); | |
2257 | } | |
2258 | ||
38ed5048 | 2259 | static const struct ieee80211_ops mac80211_hwsim_ops = { |
acc1e7a3 JM |
2260 | .tx = mac80211_hwsim_tx, |
2261 | .start = mac80211_hwsim_start, | |
2262 | .stop = mac80211_hwsim_stop, | |
2263 | .add_interface = mac80211_hwsim_add_interface, | |
c35d0270 | 2264 | .change_interface = mac80211_hwsim_change_interface, |
acc1e7a3 JM |
2265 | .remove_interface = mac80211_hwsim_remove_interface, |
2266 | .config = mac80211_hwsim_config, | |
2267 | .configure_filter = mac80211_hwsim_configure_filter, | |
8aa21e6f | 2268 | .bss_info_changed = mac80211_hwsim_bss_info_changed, |
1d669cbf JB |
2269 | .sta_add = mac80211_hwsim_sta_add, |
2270 | .sta_remove = mac80211_hwsim_sta_remove, | |
8aa21e6f | 2271 | .sta_notify = mac80211_hwsim_sta_notify, |
81c06523 | 2272 | .set_tim = mac80211_hwsim_set_tim, |
1e898ff8 | 2273 | .conf_tx = mac80211_hwsim_conf_tx, |
1289723e | 2274 | .get_survey = mac80211_hwsim_get_survey, |
aff89a9b | 2275 | CFG80211_TESTMODE_CMD(mac80211_hwsim_testmode_cmd) |
8b73d13a | 2276 | .ampdu_action = mac80211_hwsim_ampdu_action, |
f74cb0f7 LR |
2277 | .sw_scan_start = mac80211_hwsim_sw_scan, |
2278 | .sw_scan_complete = mac80211_hwsim_sw_scan_complete, | |
a80f7c0b | 2279 | .flush = mac80211_hwsim_flush, |
12ce8ba3 JC |
2280 | .get_tsf = mac80211_hwsim_get_tsf, |
2281 | .set_tsf = mac80211_hwsim_set_tsf, | |
2155c3f8 BG |
2282 | .get_et_sset_count = mac80211_hwsim_get_et_sset_count, |
2283 | .get_et_stats = mac80211_hwsim_get_et_stats, | |
2284 | .get_et_strings = mac80211_hwsim_get_et_strings, | |
acc1e7a3 JM |
2285 | }; |
2286 | ||
38ed5048 | 2287 | static struct ieee80211_ops mac80211_hwsim_mchan_ops; |
acc1e7a3 | 2288 | |
62759361 JR |
2289 | struct hwsim_new_radio_params { |
2290 | unsigned int channels; | |
2291 | const char *reg_alpha2; | |
2292 | const struct ieee80211_regdomain *regd; | |
2293 | bool reg_strict; | |
2294 | bool p2p_device; | |
2295 | bool use_chanctx; | |
2296 | bool destroy_on_close; | |
2297 | const char *hwname; | |
2298 | bool no_vif; | |
2299 | }; | |
2300 | ||
2301 | static void hwsim_mcast_config_msg(struct sk_buff *mcast_skb, | |
2302 | struct genl_info *info) | |
2303 | { | |
2304 | if (info) | |
92c14d9b JB |
2305 | genl_notify(&hwsim_genl_family, mcast_skb, info, |
2306 | HWSIM_MCGRP_CONFIG, GFP_KERNEL); | |
62759361 JR |
2307 | else |
2308 | genlmsg_multicast(&hwsim_genl_family, mcast_skb, 0, | |
2309 | HWSIM_MCGRP_CONFIG, GFP_KERNEL); | |
2310 | } | |
2311 | ||
c449981c PF |
2312 | static int append_radio_msg(struct sk_buff *skb, int id, |
2313 | struct hwsim_new_radio_params *param) | |
62759361 | 2314 | { |
62759361 JR |
2315 | int ret; |
2316 | ||
62759361 JR |
2317 | ret = nla_put_u32(skb, HWSIM_ATTR_RADIO_ID, id); |
2318 | if (ret < 0) | |
c449981c | 2319 | return ret; |
62759361 JR |
2320 | |
2321 | if (param->channels) { | |
2322 | ret = nla_put_u32(skb, HWSIM_ATTR_CHANNELS, param->channels); | |
2323 | if (ret < 0) | |
c449981c | 2324 | return ret; |
62759361 JR |
2325 | } |
2326 | ||
2327 | if (param->reg_alpha2) { | |
2328 | ret = nla_put(skb, HWSIM_ATTR_REG_HINT_ALPHA2, 2, | |
2329 | param->reg_alpha2); | |
2330 | if (ret < 0) | |
c449981c | 2331 | return ret; |
62759361 JR |
2332 | } |
2333 | ||
2334 | if (param->regd) { | |
2335 | int i; | |
2336 | ||
5875755c JB |
2337 | for (i = 0; i < ARRAY_SIZE(hwsim_world_regdom_custom); i++) { |
2338 | if (hwsim_world_regdom_custom[i] != param->regd) | |
2339 | continue; | |
62759361 | 2340 | |
62759361 JR |
2341 | ret = nla_put_u32(skb, HWSIM_ATTR_REG_CUSTOM_REG, i); |
2342 | if (ret < 0) | |
c449981c | 2343 | return ret; |
5875755c | 2344 | break; |
62759361 JR |
2345 | } |
2346 | } | |
2347 | ||
2348 | if (param->reg_strict) { | |
2349 | ret = nla_put_flag(skb, HWSIM_ATTR_REG_STRICT_REG); | |
2350 | if (ret < 0) | |
c449981c | 2351 | return ret; |
62759361 JR |
2352 | } |
2353 | ||
2354 | if (param->p2p_device) { | |
2355 | ret = nla_put_flag(skb, HWSIM_ATTR_SUPPORT_P2P_DEVICE); | |
2356 | if (ret < 0) | |
c449981c | 2357 | return ret; |
62759361 JR |
2358 | } |
2359 | ||
2360 | if (param->use_chanctx) { | |
2361 | ret = nla_put_flag(skb, HWSIM_ATTR_USE_CHANCTX); | |
2362 | if (ret < 0) | |
c449981c | 2363 | return ret; |
62759361 JR |
2364 | } |
2365 | ||
2366 | if (param->hwname) { | |
2367 | ret = nla_put(skb, HWSIM_ATTR_RADIO_NAME, | |
2368 | strlen(param->hwname), param->hwname); | |
2369 | if (ret < 0) | |
c449981c | 2370 | return ret; |
62759361 JR |
2371 | } |
2372 | ||
c449981c | 2373 | return 0; |
62759361 JR |
2374 | } |
2375 | ||
c449981c | 2376 | static void hwsim_mcast_new_radio(int id, struct genl_info *info, |
62759361 JR |
2377 | struct hwsim_new_radio_params *param) |
2378 | { | |
2379 | struct sk_buff *mcast_skb; | |
c449981c | 2380 | void *data; |
62759361 | 2381 | |
c449981c | 2382 | mcast_skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL); |
62759361 JR |
2383 | if (!mcast_skb) |
2384 | return; | |
2385 | ||
c449981c PF |
2386 | data = genlmsg_put(mcast_skb, 0, 0, &hwsim_genl_family, 0, |
2387 | HWSIM_CMD_NEW_RADIO); | |
2388 | if (!data) | |
2389 | goto out_err; | |
2390 | ||
2391 | if (append_radio_msg(mcast_skb, id, param) < 0) | |
2392 | goto out_err; | |
2393 | ||
2394 | genlmsg_end(mcast_skb, data); | |
2395 | ||
62759361 | 2396 | hwsim_mcast_config_msg(mcast_skb, info); |
c449981c PF |
2397 | return; |
2398 | ||
2399 | out_err: | |
2400 | genlmsg_cancel(mcast_skb, data); | |
2401 | nlmsg_free(mcast_skb); | |
62759361 JR |
2402 | } |
2403 | ||
2404 | static int mac80211_hwsim_new_radio(struct genl_info *info, | |
2405 | struct hwsim_new_radio_params *param) | |
acc1e7a3 | 2406 | { |
de0421d5 JB |
2407 | int err; |
2408 | u8 addr[ETH_ALEN]; | |
e4afb603 | 2409 | struct mac80211_hwsim_data *data; |
de0421d5 | 2410 | struct ieee80211_hw *hw; |
57fbcce3 | 2411 | enum nl80211_band band; |
de0421d5 | 2412 | const struct ieee80211_ops *ops = &mac80211_hwsim_ops; |
100cb9ff | 2413 | struct net *net; |
de0421d5 | 2414 | int idx; |
0e057d73 | 2415 | |
62759361 | 2416 | if (WARN_ON(param->channels > 1 && !param->use_chanctx)) |
361c3e04 LC |
2417 | return -EINVAL; |
2418 | ||
0e057d73 | 2419 | spin_lock_bh(&hwsim_radio_lock); |
de0421d5 | 2420 | idx = hwsim_radio_idx++; |
0e057d73 JB |
2421 | spin_unlock_bh(&hwsim_radio_lock); |
2422 | ||
62759361 | 2423 | if (param->use_chanctx) |
de0421d5 | 2424 | ops = &mac80211_hwsim_mchan_ops; |
62759361 | 2425 | hw = ieee80211_alloc_hw_nm(sizeof(*data), ops, param->hwname); |
de0421d5 JB |
2426 | if (!hw) { |
2427 | printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw failed\n"); | |
2428 | err = -ENOMEM; | |
2429 | goto failed; | |
2430 | } | |
100cb9ff MW |
2431 | |
2432 | if (info) | |
2433 | net = genl_info_net(info); | |
2434 | else | |
2435 | net = &init_net; | |
2436 | wiphy_net_set(hw->wiphy, net); | |
2437 | ||
de0421d5 JB |
2438 | data = hw->priv; |
2439 | data->hw = hw; | |
acc1e7a3 | 2440 | |
de0421d5 JB |
2441 | data->dev = device_create(hwsim_class, NULL, 0, hw, "hwsim%d", idx); |
2442 | if (IS_ERR(data->dev)) { | |
2443 | printk(KERN_DEBUG | |
2444 | "mac80211_hwsim: device_create failed (%ld)\n", | |
2445 | PTR_ERR(data->dev)); | |
2446 | err = -ENOMEM; | |
2447 | goto failed_drvdata; | |
2448 | } | |
2449 | data->dev->driver = &mac80211_hwsim_driver.driver; | |
2450 | err = device_bind_driver(data->dev); | |
2451 | if (err != 0) { | |
2452 | printk(KERN_DEBUG "mac80211_hwsim: device_bind_driver failed (%d)\n", | |
2453 | err); | |
805dbe17 | 2454 | goto failed_bind; |
acc1e7a3 | 2455 | } |
acc1e7a3 | 2456 | |
de0421d5 | 2457 | skb_queue_head_init(&data->pending); |
acc1e7a3 | 2458 | |
de0421d5 | 2459 | SET_IEEE80211_DEV(hw, data->dev); |
93803b33 | 2460 | eth_zero_addr(addr); |
de0421d5 JB |
2461 | addr[0] = 0x02; |
2462 | addr[3] = idx >> 8; | |
2463 | addr[4] = idx; | |
2464 | memcpy(data->addresses[0].addr, addr, ETH_ALEN); | |
2465 | memcpy(data->addresses[1].addr, addr, ETH_ALEN); | |
2466 | data->addresses[1].addr[0] |= 0x40; | |
2467 | hw->wiphy->n_addresses = 2; | |
2468 | hw->wiphy->addresses = data->addresses; | |
fc6971d4 | 2469 | |
62759361 JR |
2470 | data->channels = param->channels; |
2471 | data->use_chanctx = param->use_chanctx; | |
bc791098 | 2472 | data->idx = idx; |
62759361 JR |
2473 | data->destroy_on_close = param->destroy_on_close; |
2474 | if (info) | |
2475 | data->portid = info->snd_portid; | |
fc6971d4 | 2476 | |
361c3e04 | 2477 | if (data->use_chanctx) { |
de0421d5 JB |
2478 | hw->wiphy->max_scan_ssids = 255; |
2479 | hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; | |
2480 | hw->wiphy->max_remain_on_channel_duration = 1000; | |
de0421d5 | 2481 | hw->wiphy->iface_combinations = &data->if_combination; |
62759361 | 2482 | if (param->p2p_device) |
8c66a3d9 JB |
2483 | data->if_combination = hwsim_if_comb_p2p_dev[0]; |
2484 | else | |
2485 | data->if_combination = hwsim_if_comb[0]; | |
f7736f50 IP |
2486 | hw->wiphy->n_iface_combinations = 1; |
2487 | /* For channels > 1 DFS is not allowed */ | |
2488 | data->if_combination.radar_detect_widths = 0; | |
b59ec8dd | 2489 | data->if_combination.num_different_channels = data->channels; |
62759361 | 2490 | } else if (param->p2p_device) { |
8c66a3d9 JB |
2491 | hw->wiphy->iface_combinations = hwsim_if_comb_p2p_dev; |
2492 | hw->wiphy->n_iface_combinations = | |
2493 | ARRAY_SIZE(hwsim_if_comb_p2p_dev); | |
de0421d5 JB |
2494 | } else { |
2495 | hw->wiphy->iface_combinations = hwsim_if_comb; | |
2496 | hw->wiphy->n_iface_combinations = ARRAY_SIZE(hwsim_if_comb); | |
2497 | } | |
acc1e7a3 | 2498 | |
661ef475 | 2499 | INIT_DELAYED_WORK(&data->roc_start, hw_roc_start); |
de0421d5 JB |
2500 | INIT_DELAYED_WORK(&data->roc_done, hw_roc_done); |
2501 | INIT_DELAYED_WORK(&data->hw_scan, hw_scan_work); | |
7882513b | 2502 | |
de0421d5 JB |
2503 | hw->queues = 5; |
2504 | hw->offchannel_tx_hw_queue = 4; | |
2505 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
2506 | BIT(NL80211_IFTYPE_AP) | | |
2507 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
2508 | BIT(NL80211_IFTYPE_P2P_GO) | | |
2509 | BIT(NL80211_IFTYPE_ADHOC) | | |
8c66a3d9 JB |
2510 | BIT(NL80211_IFTYPE_MESH_POINT); |
2511 | ||
62759361 | 2512 | if (param->p2p_device) |
8c66a3d9 | 2513 | hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_DEVICE); |
fc6971d4 | 2514 | |
30686bf7 JB |
2515 | ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); |
2516 | ieee80211_hw_set(hw, CHANCTX_STA_CSA); | |
2517 | ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES); | |
2518 | ieee80211_hw_set(hw, QUEUE_CONTROL); | |
2519 | ieee80211_hw_set(hw, WANT_MONITOR_VIF); | |
2520 | ieee80211_hw_set(hw, AMPDU_AGGREGATION); | |
2521 | ieee80211_hw_set(hw, MFP_CAPABLE); | |
2522 | ieee80211_hw_set(hw, SIGNAL_DBM); | |
33c2f538 | 2523 | ieee80211_hw_set(hw, TDLS_WIDER_BW); |
de0421d5 | 2524 | if (rctbl) |
30686bf7 | 2525 | ieee80211_hw_set(hw, SUPPORTS_RC_TABLE); |
fc6971d4 | 2526 | |
de0421d5 JB |
2527 | hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | |
2528 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | | |
0037db63 AO |
2529 | WIPHY_FLAG_AP_UAPSD | |
2530 | WIPHY_FLAG_HAS_CHANNEL_SWITCH; | |
0d8614b4 EP |
2531 | hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR | |
2532 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | | |
2533 | NL80211_FEATURE_STATIC_SMPS | | |
339467b9 JB |
2534 | NL80211_FEATURE_DYNAMIC_SMPS | |
2535 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; | |
00eeccc4 | 2536 | wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); |
fc6971d4 | 2537 | |
de0421d5 JB |
2538 | /* ask mac80211 to reserve space for magic */ |
2539 | hw->vif_data_size = sizeof(struct hwsim_vif_priv); | |
2540 | hw->sta_data_size = sizeof(struct hwsim_sta_priv); | |
2541 | hw->chanctx_data_size = sizeof(struct hwsim_chanctx_priv); | |
fc6971d4 | 2542 | |
de0421d5 JB |
2543 | memcpy(data->channels_2ghz, hwsim_channels_2ghz, |
2544 | sizeof(hwsim_channels_2ghz)); | |
2545 | memcpy(data->channels_5ghz, hwsim_channels_5ghz, | |
2546 | sizeof(hwsim_channels_5ghz)); | |
2547 | memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates)); | |
7882513b | 2548 | |
57fbcce3 | 2549 | for (band = NL80211_BAND_2GHZ; band < NUM_NL80211_BANDS; band++) { |
de0421d5 JB |
2550 | struct ieee80211_supported_band *sband = &data->bands[band]; |
2551 | switch (band) { | |
57fbcce3 | 2552 | case NL80211_BAND_2GHZ: |
de0421d5 JB |
2553 | sband->channels = data->channels_2ghz; |
2554 | sband->n_channels = ARRAY_SIZE(hwsim_channels_2ghz); | |
2555 | sband->bitrates = data->rates; | |
2556 | sband->n_bitrates = ARRAY_SIZE(hwsim_rates); | |
2557 | break; | |
57fbcce3 | 2558 | case NL80211_BAND_5GHZ: |
de0421d5 JB |
2559 | sband->channels = data->channels_5ghz; |
2560 | sband->n_channels = ARRAY_SIZE(hwsim_channels_5ghz); | |
2561 | sband->bitrates = data->rates + 4; | |
2562 | sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4; | |
f33f8483 IP |
2563 | |
2564 | sband->vht_cap.vht_supported = true; | |
2565 | sband->vht_cap.cap = | |
2566 | IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | | |
2567 | IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ | | |
2568 | IEEE80211_VHT_CAP_RXLDPC | | |
2569 | IEEE80211_VHT_CAP_SHORT_GI_80 | | |
2570 | IEEE80211_VHT_CAP_SHORT_GI_160 | | |
2571 | IEEE80211_VHT_CAP_TXSTBC | | |
2572 | IEEE80211_VHT_CAP_RXSTBC_1 | | |
2573 | IEEE80211_VHT_CAP_RXSTBC_2 | | |
2574 | IEEE80211_VHT_CAP_RXSTBC_3 | | |
2575 | IEEE80211_VHT_CAP_RXSTBC_4 | | |
2576 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK; | |
2577 | sband->vht_cap.vht_mcs.rx_mcs_map = | |
8aca9b29 IP |
2578 | cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | |
2579 | IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 | | |
f33f8483 | 2580 | IEEE80211_VHT_MCS_SUPPORT_0_9 << 4 | |
8aca9b29 IP |
2581 | IEEE80211_VHT_MCS_SUPPORT_0_9 << 6 | |
2582 | IEEE80211_VHT_MCS_SUPPORT_0_9 << 8 | | |
f33f8483 IP |
2583 | IEEE80211_VHT_MCS_SUPPORT_0_9 << 10 | |
2584 | IEEE80211_VHT_MCS_SUPPORT_0_9 << 12 | | |
8aca9b29 | 2585 | IEEE80211_VHT_MCS_SUPPORT_0_9 << 14); |
f33f8483 IP |
2586 | sband->vht_cap.vht_mcs.tx_mcs_map = |
2587 | sband->vht_cap.vht_mcs.rx_mcs_map; | |
de0421d5 JB |
2588 | break; |
2589 | default: | |
2590 | continue; | |
2591 | } | |
acc1e7a3 | 2592 | |
de0421d5 JB |
2593 | sband->ht_cap.ht_supported = true; |
2594 | sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | | |
2595 | IEEE80211_HT_CAP_GRN_FLD | | |
e49786db | 2596 | IEEE80211_HT_CAP_SGI_20 | |
de0421d5 JB |
2597 | IEEE80211_HT_CAP_SGI_40 | |
2598 | IEEE80211_HT_CAP_DSSSCCK40; | |
2599 | sband->ht_cap.ampdu_factor = 0x3; | |
2600 | sband->ht_cap.ampdu_density = 0x6; | |
2601 | memset(&sband->ht_cap.mcs, 0, | |
2602 | sizeof(sband->ht_cap.mcs)); | |
2603 | sband->ht_cap.mcs.rx_mask[0] = 0xff; | |
2604 | sband->ht_cap.mcs.rx_mask[1] = 0xff; | |
2605 | sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
fc6971d4 | 2606 | |
de0421d5 | 2607 | hw->wiphy->bands[band] = sband; |
de0421d5 | 2608 | } |
acc1e7a3 | 2609 | |
de0421d5 JB |
2610 | /* By default all radios belong to the first group */ |
2611 | data->group = 1; | |
2612 | mutex_init(&data->mutex); | |
fc6971d4 | 2613 | |
100cb9ff MW |
2614 | data->netgroup = hwsim_net_get_netgroup(net); |
2615 | ||
de0421d5 JB |
2616 | /* Enable frame retransmissions for lossy channels */ |
2617 | hw->max_rates = 4; | |
2618 | hw->max_rate_tries = 11; | |
fc6971d4 | 2619 | |
d5d011b4 JM |
2620 | hw->wiphy->vendor_commands = mac80211_hwsim_vendor_commands; |
2621 | hw->wiphy->n_vendor_commands = | |
2622 | ARRAY_SIZE(mac80211_hwsim_vendor_commands); | |
2623 | hw->wiphy->vendor_events = mac80211_hwsim_vendor_events; | |
2624 | hw->wiphy->n_vendor_events = ARRAY_SIZE(mac80211_hwsim_vendor_events); | |
2625 | ||
62759361 | 2626 | if (param->reg_strict) |
26b0e411 | 2627 | hw->wiphy->regulatory_flags |= REGULATORY_STRICT_REG; |
62759361 | 2628 | if (param->regd) { |
93d638d4 | 2629 | data->regd = param->regd; |
26b0e411 | 2630 | hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; |
62759361 | 2631 | wiphy_apply_custom_regulatory(hw->wiphy, param->regd); |
26b0e411 JB |
2632 | /* give the regulatory workqueue a chance to run */ |
2633 | schedule_timeout_interruptible(1); | |
2634 | } | |
fc6971d4 | 2635 | |
62759361 | 2636 | if (param->no_vif) |
30686bf7 | 2637 | ieee80211_hw_set(hw, NO_AUTO_VIF); |
9a0cb89a | 2638 | |
de0421d5 JB |
2639 | err = ieee80211_register_hw(hw); |
2640 | if (err < 0) { | |
2641 | printk(KERN_DEBUG "mac80211_hwsim: ieee80211_register_hw failed (%d)\n", | |
2642 | err); | |
2643 | goto failed_hw; | |
2644 | } | |
fc6971d4 | 2645 | |
de0421d5 | 2646 | wiphy_debug(hw->wiphy, "hwaddr %pM registered\n", hw->wiphy->perm_addr); |
fc6971d4 | 2647 | |
93d638d4 PF |
2648 | if (param->reg_alpha2) { |
2649 | data->alpha2[0] = param->reg_alpha2[0]; | |
2650 | data->alpha2[1] = param->reg_alpha2[1]; | |
62759361 | 2651 | regulatory_hint(hw->wiphy, param->reg_alpha2); |
93d638d4 | 2652 | } |
7882513b | 2653 | |
de0421d5 JB |
2654 | data->debugfs = debugfs_create_dir("hwsim", hw->wiphy->debugfsdir); |
2655 | debugfs_create_file("ps", 0666, data->debugfs, data, &hwsim_fops_ps); | |
2656 | debugfs_create_file("group", 0666, data->debugfs, data, | |
2657 | &hwsim_fops_group); | |
361c3e04 | 2658 | if (!data->use_chanctx) |
de0421d5 JB |
2659 | debugfs_create_file("dfs_simulate_radar", 0222, |
2660 | data->debugfs, | |
2661 | data, &hwsim_simulate_radar); | |
fc6971d4 | 2662 | |
de0421d5 JB |
2663 | tasklet_hrtimer_init(&data->beacon_timer, |
2664 | mac80211_hwsim_beacon, | |
2665 | CLOCK_MONOTONIC_RAW, HRTIMER_MODE_ABS); | |
fc6971d4 | 2666 | |
de0421d5 JB |
2667 | spin_lock_bh(&hwsim_radio_lock); |
2668 | list_add_tail(&data->list, &hwsim_radios); | |
2669 | spin_unlock_bh(&hwsim_radio_lock); | |
fc6971d4 | 2670 | |
62759361 | 2671 | if (idx > 0) |
c449981c | 2672 | hwsim_mcast_new_radio(idx, info, param); |
62759361 | 2673 | |
bc791098 | 2674 | return idx; |
fc6971d4 | 2675 | |
de0421d5 | 2676 | failed_hw: |
805dbe17 JM |
2677 | device_release_driver(data->dev); |
2678 | failed_bind: | |
de0421d5 JB |
2679 | device_unregister(data->dev); |
2680 | failed_drvdata: | |
2681 | ieee80211_free_hw(hw); | |
2682 | failed: | |
2683 | return err; | |
fc6971d4 JM |
2684 | } |
2685 | ||
579a05f2 JR |
2686 | static void hwsim_mcast_del_radio(int id, const char *hwname, |
2687 | struct genl_info *info) | |
fc6971d4 | 2688 | { |
579a05f2 JR |
2689 | struct sk_buff *skb; |
2690 | void *data; | |
2691 | int ret; | |
2692 | ||
2693 | skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
2694 | if (!skb) | |
2695 | return; | |
2696 | ||
2697 | data = genlmsg_put(skb, 0, 0, &hwsim_genl_family, 0, | |
2698 | HWSIM_CMD_DEL_RADIO); | |
2699 | if (!data) | |
2700 | goto error; | |
2701 | ||
2702 | ret = nla_put_u32(skb, HWSIM_ATTR_RADIO_ID, id); | |
2703 | if (ret < 0) | |
2704 | goto error; | |
2705 | ||
b9995f83 JR |
2706 | ret = nla_put(skb, HWSIM_ATTR_RADIO_NAME, strlen(hwname), |
2707 | hwname); | |
2708 | if (ret < 0) | |
2709 | goto error; | |
579a05f2 JR |
2710 | |
2711 | genlmsg_end(skb, data); | |
2712 | ||
2713 | hwsim_mcast_config_msg(skb, info); | |
2714 | ||
2715 | return; | |
2716 | ||
2717 | error: | |
2718 | nlmsg_free(skb); | |
2719 | } | |
2720 | ||
2721 | static void mac80211_hwsim_del_radio(struct mac80211_hwsim_data *data, | |
2722 | const char *hwname, | |
2723 | struct genl_info *info) | |
2724 | { | |
2725 | hwsim_mcast_del_radio(data->idx, hwname, info); | |
de0421d5 JB |
2726 | debugfs_remove_recursive(data->debugfs); |
2727 | ieee80211_unregister_hw(data->hw); | |
2728 | device_release_driver(data->dev); | |
2729 | device_unregister(data->dev); | |
2730 | ieee80211_free_hw(data->hw); | |
fc6971d4 JM |
2731 | } |
2732 | ||
93d638d4 PF |
2733 | static int mac80211_hwsim_get_radio(struct sk_buff *skb, |
2734 | struct mac80211_hwsim_data *data, | |
2735 | u32 portid, u32 seq, | |
2736 | struct netlink_callback *cb, int flags) | |
2737 | { | |
2738 | void *hdr; | |
2739 | struct hwsim_new_radio_params param = { }; | |
2740 | int res = -EMSGSIZE; | |
2741 | ||
2742 | hdr = genlmsg_put(skb, portid, seq, &hwsim_genl_family, flags, | |
2743 | HWSIM_CMD_GET_RADIO); | |
2744 | if (!hdr) | |
2745 | return -EMSGSIZE; | |
2746 | ||
2747 | if (cb) | |
2748 | genl_dump_check_consistent(cb, hdr, &hwsim_genl_family); | |
2749 | ||
b0ad5e8b PF |
2750 | if (data->alpha2[0] && data->alpha2[1]) |
2751 | param.reg_alpha2 = data->alpha2; | |
2752 | ||
93d638d4 PF |
2753 | param.reg_strict = !!(data->hw->wiphy->regulatory_flags & |
2754 | REGULATORY_STRICT_REG); | |
2755 | param.p2p_device = !!(data->hw->wiphy->interface_modes & | |
2756 | BIT(NL80211_IFTYPE_P2P_DEVICE)); | |
2757 | param.use_chanctx = data->use_chanctx; | |
2758 | param.regd = data->regd; | |
2759 | param.channels = data->channels; | |
2760 | param.hwname = wiphy_name(data->hw->wiphy); | |
2761 | ||
2762 | res = append_radio_msg(skb, data->idx, ¶m); | |
2763 | if (res < 0) | |
2764 | goto out_err; | |
2765 | ||
053c095a JB |
2766 | genlmsg_end(skb, hdr); |
2767 | return 0; | |
93d638d4 PF |
2768 | |
2769 | out_err: | |
2770 | genlmsg_cancel(skb, hdr); | |
2771 | return res; | |
2772 | } | |
2773 | ||
de0421d5 | 2774 | static void mac80211_hwsim_free(void) |
fc6971d4 | 2775 | { |
de0421d5 | 2776 | struct mac80211_hwsim_data *data; |
fc6971d4 | 2777 | |
de0421d5 JB |
2778 | spin_lock_bh(&hwsim_radio_lock); |
2779 | while ((data = list_first_entry_or_null(&hwsim_radios, | |
2780 | struct mac80211_hwsim_data, | |
2781 | list))) { | |
2782 | list_del(&data->list); | |
2783 | spin_unlock_bh(&hwsim_radio_lock); | |
b9995f83 JR |
2784 | mac80211_hwsim_del_radio(data, wiphy_name(data->hw->wiphy), |
2785 | NULL); | |
de0421d5 | 2786 | spin_lock_bh(&hwsim_radio_lock); |
fc6971d4 | 2787 | } |
de0421d5 JB |
2788 | spin_unlock_bh(&hwsim_radio_lock); |
2789 | class_destroy(hwsim_class); | |
bba05e3d JD |
2790 | } |
2791 | ||
de0421d5 JB |
2792 | static const struct net_device_ops hwsim_netdev_ops = { |
2793 | .ndo_start_xmit = hwsim_mon_xmit, | |
2794 | .ndo_change_mtu = eth_change_mtu, | |
2795 | .ndo_set_mac_address = eth_mac_addr, | |
2796 | .ndo_validate_addr = eth_validate_addr, | |
2797 | }; | |
73606d00 | 2798 | |
de0421d5 | 2799 | static void hwsim_mon_setup(struct net_device *dev) |
73606d00 | 2800 | { |
de0421d5 JB |
2801 | dev->netdev_ops = &hwsim_netdev_ops; |
2802 | dev->destructor = free_netdev; | |
2803 | ether_setup(dev); | |
3db6da1f | 2804 | dev->priv_flags |= IFF_NO_QUEUE; |
de0421d5 | 2805 | dev->type = ARPHRD_IEEE80211_RADIOTAP; |
93803b33 | 2806 | eth_zero_addr(dev->dev_addr); |
de0421d5 | 2807 | dev->dev_addr[0] = 0x12; |
73606d00 DW |
2808 | } |
2809 | ||
9ddd12af | 2810 | static struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(const u8 *addr) |
7882513b JL |
2811 | { |
2812 | struct mac80211_hwsim_data *data; | |
2813 | bool _found = false; | |
2814 | ||
2815 | spin_lock_bh(&hwsim_radio_lock); | |
2816 | list_for_each_entry(data, &hwsim_radios, list) { | |
354210f8 | 2817 | if (memcmp(data->addresses[1].addr, addr, ETH_ALEN) == 0) { |
7882513b JL |
2818 | _found = true; |
2819 | break; | |
2820 | } | |
2821 | } | |
2822 | spin_unlock_bh(&hwsim_radio_lock); | |
2823 | ||
2824 | if (!_found) | |
2825 | return NULL; | |
2826 | ||
2827 | return data; | |
2828 | } | |
2829 | ||
f21e4d8e MW |
2830 | static void hwsim_register_wmediumd(struct net *net, u32 portid) |
2831 | { | |
2832 | struct mac80211_hwsim_data *data; | |
2833 | ||
2834 | hwsim_net_set_wmediumd(net, portid); | |
2835 | ||
2836 | spin_lock_bh(&hwsim_radio_lock); | |
2837 | list_for_each_entry(data, &hwsim_radios, list) { | |
2838 | if (data->netgroup == hwsim_net_get_netgroup(net)) | |
2839 | data->wmediumd = portid; | |
2840 | } | |
2841 | spin_unlock_bh(&hwsim_radio_lock); | |
2842 | } | |
2843 | ||
7882513b JL |
2844 | static int hwsim_tx_info_frame_received_nl(struct sk_buff *skb_2, |
2845 | struct genl_info *info) | |
2846 | { | |
2847 | ||
2848 | struct ieee80211_hdr *hdr; | |
2849 | struct mac80211_hwsim_data *data2; | |
2850 | struct ieee80211_tx_info *txi; | |
2851 | struct hwsim_tx_rate *tx_attempts; | |
959eb2fd | 2852 | u64 ret_skb_cookie; |
7882513b | 2853 | struct sk_buff *skb, *tmp; |
9ddd12af | 2854 | const u8 *src; |
7882513b | 2855 | unsigned int hwsim_flags; |
7882513b JL |
2856 | int i; |
2857 | bool found = false; | |
2858 | ||
2859 | if (!info->attrs[HWSIM_ATTR_ADDR_TRANSMITTER] || | |
9ddd12af JB |
2860 | !info->attrs[HWSIM_ATTR_FLAGS] || |
2861 | !info->attrs[HWSIM_ATTR_COOKIE] || | |
62397da5 | 2862 | !info->attrs[HWSIM_ATTR_SIGNAL] || |
9ddd12af | 2863 | !info->attrs[HWSIM_ATTR_TX_INFO]) |
7882513b JL |
2864 | goto out; |
2865 | ||
9ddd12af | 2866 | src = (void *)nla_data(info->attrs[HWSIM_ATTR_ADDR_TRANSMITTER]); |
7882513b | 2867 | hwsim_flags = nla_get_u32(info->attrs[HWSIM_ATTR_FLAGS]); |
959eb2fd | 2868 | ret_skb_cookie = nla_get_u64(info->attrs[HWSIM_ATTR_COOKIE]); |
7882513b JL |
2869 | |
2870 | data2 = get_hwsim_data_ref_from_addr(src); | |
9ddd12af | 2871 | if (!data2) |
7882513b JL |
2872 | goto out; |
2873 | ||
f21e4d8e MW |
2874 | if (hwsim_net_get_netgroup(genl_info_net(info)) != data2->netgroup) |
2875 | goto out; | |
2876 | ||
2877 | if (info->snd_portid != data2->wmediumd) | |
2878 | goto out; | |
2879 | ||
7882513b JL |
2880 | /* look for the skb matching the cookie passed back from user */ |
2881 | skb_queue_walk_safe(&data2->pending, skb, tmp) { | |
959eb2fd JB |
2882 | u64 skb_cookie; |
2883 | ||
2884 | txi = IEEE80211_SKB_CB(skb); | |
2885 | skb_cookie = (u64)(uintptr_t)txi->rate_driver_data[0]; | |
2886 | ||
2887 | if (skb_cookie == ret_skb_cookie) { | |
7882513b JL |
2888 | skb_unlink(skb, &data2->pending); |
2889 | found = true; | |
2890 | break; | |
2891 | } | |
2892 | } | |
2893 | ||
2894 | /* not found */ | |
2895 | if (!found) | |
2896 | goto out; | |
2897 | ||
2898 | /* Tx info received because the frame was broadcasted on user space, | |
2899 | so we get all the necessary info: tx attempts and skb control buff */ | |
2900 | ||
2901 | tx_attempts = (struct hwsim_tx_rate *)nla_data( | |
2902 | info->attrs[HWSIM_ATTR_TX_INFO]); | |
2903 | ||
2904 | /* now send back TX status */ | |
2905 | txi = IEEE80211_SKB_CB(skb); | |
2906 | ||
7882513b JL |
2907 | ieee80211_tx_info_clear_status(txi); |
2908 | ||
2909 | for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { | |
2910 | txi->status.rates[i].idx = tx_attempts[i].idx; | |
2911 | txi->status.rates[i].count = tx_attempts[i].count; | |
2912 | /*txi->status.rates[i].flags = 0;*/ | |
2913 | } | |
2914 | ||
2915 | txi->status.ack_signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]); | |
2916 | ||
2917 | if (!(hwsim_flags & HWSIM_TX_CTL_NO_ACK) && | |
2918 | (hwsim_flags & HWSIM_TX_STAT_ACK)) { | |
2919 | if (skb->len >= 16) { | |
2920 | hdr = (struct ieee80211_hdr *) skb->data; | |
c0e30763 | 2921 | mac80211_hwsim_monitor_ack(data2->channel, |
e8261171 | 2922 | hdr->addr2); |
7882513b | 2923 | } |
06cf5c4c | 2924 | txi->flags |= IEEE80211_TX_STAT_ACK; |
7882513b JL |
2925 | } |
2926 | ieee80211_tx_status_irqsafe(data2->hw, skb); | |
2927 | return 0; | |
2928 | out: | |
2929 | return -EINVAL; | |
2930 | ||
2931 | } | |
2932 | ||
2933 | static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2, | |
2934 | struct genl_info *info) | |
2935 | { | |
e8261171 | 2936 | struct mac80211_hwsim_data *data2; |
7882513b | 2937 | struct ieee80211_rx_status rx_status; |
9ddd12af | 2938 | const u8 *dst; |
7882513b | 2939 | int frame_data_len; |
9ddd12af | 2940 | void *frame_data; |
7882513b JL |
2941 | struct sk_buff *skb = NULL; |
2942 | ||
2943 | if (!info->attrs[HWSIM_ATTR_ADDR_RECEIVER] || | |
e8261171 JB |
2944 | !info->attrs[HWSIM_ATTR_FRAME] || |
2945 | !info->attrs[HWSIM_ATTR_RX_RATE] || | |
2946 | !info->attrs[HWSIM_ATTR_SIGNAL]) | |
7882513b JL |
2947 | goto out; |
2948 | ||
9ddd12af | 2949 | dst = (void *)nla_data(info->attrs[HWSIM_ATTR_ADDR_RECEIVER]); |
7882513b | 2950 | frame_data_len = nla_len(info->attrs[HWSIM_ATTR_FRAME]); |
9ddd12af | 2951 | frame_data = (void *)nla_data(info->attrs[HWSIM_ATTR_FRAME]); |
7882513b JL |
2952 | |
2953 | /* Allocate new skb here */ | |
2954 | skb = alloc_skb(frame_data_len, GFP_KERNEL); | |
2955 | if (skb == NULL) | |
2956 | goto err; | |
2957 | ||
9ddd12af | 2958 | if (frame_data_len > IEEE80211_MAX_DATA_LEN) |
7882513b JL |
2959 | goto err; |
2960 | ||
9ddd12af JB |
2961 | /* Copy the data */ |
2962 | memcpy(skb_put(skb, frame_data_len), frame_data, frame_data_len); | |
7882513b | 2963 | |
9ddd12af JB |
2964 | data2 = get_hwsim_data_ref_from_addr(dst); |
2965 | if (!data2) | |
7882513b JL |
2966 | goto out; |
2967 | ||
f21e4d8e MW |
2968 | if (hwsim_net_get_netgroup(genl_info_net(info)) != data2->netgroup) |
2969 | goto out; | |
2970 | ||
2971 | if (info->snd_portid != data2->wmediumd) | |
2972 | goto out; | |
2973 | ||
7882513b JL |
2974 | /* check if radio is configured properly */ |
2975 | ||
e8261171 | 2976 | if (data2->idle || !data2->started) |
7882513b JL |
2977 | goto out; |
2978 | ||
9ddd12af | 2979 | /* A frame is received from user space */ |
7882513b | 2980 | memset(&rx_status, 0, sizeof(rx_status)); |
641cf2a5 AW |
2981 | if (info->attrs[HWSIM_ATTR_FREQ]) { |
2982 | /* throw away off-channel packets, but allow both the temporary | |
2983 | * ("hw" scan/remain-on-channel) and regular channel, since the | |
2984 | * internal datapath also allows this | |
2985 | */ | |
2986 | mutex_lock(&data2->mutex); | |
2987 | rx_status.freq = nla_get_u32(info->attrs[HWSIM_ATTR_FREQ]); | |
2988 | ||
2989 | if (rx_status.freq != data2->channel->center_freq && | |
2990 | (!data2->tmp_chan || | |
2991 | rx_status.freq != data2->tmp_chan->center_freq)) { | |
2992 | mutex_unlock(&data2->mutex); | |
2993 | goto out; | |
2994 | } | |
2995 | mutex_unlock(&data2->mutex); | |
2996 | } else { | |
2997 | rx_status.freq = data2->channel->center_freq; | |
2998 | } | |
2999 | ||
7882513b JL |
3000 | rx_status.band = data2->channel->band; |
3001 | rx_status.rate_idx = nla_get_u32(info->attrs[HWSIM_ATTR_RX_RATE]); | |
3002 | rx_status.signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]); | |
3003 | ||
3004 | memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); | |
2155c3f8 BG |
3005 | data2->rx_pkts++; |
3006 | data2->rx_bytes += skb->len; | |
7882513b JL |
3007 | ieee80211_rx_irqsafe(data2->hw, skb); |
3008 | ||
3009 | return 0; | |
3010 | err: | |
c393862f | 3011 | printk(KERN_DEBUG "mac80211_hwsim: error occurred in %s\n", __func__); |
7882513b JL |
3012 | out: |
3013 | dev_kfree_skb(skb); | |
3014 | return -EINVAL; | |
3015 | } | |
3016 | ||
3017 | static int hwsim_register_received_nl(struct sk_buff *skb_2, | |
3018 | struct genl_info *info) | |
3019 | { | |
f21e4d8e | 3020 | struct net *net = genl_info_net(info); |
c5ac0854 JB |
3021 | struct mac80211_hwsim_data *data; |
3022 | int chans = 1; | |
3023 | ||
3024 | spin_lock_bh(&hwsim_radio_lock); | |
3025 | list_for_each_entry(data, &hwsim_radios, list) | |
3026 | chans = max(chans, data->channels); | |
3027 | spin_unlock_bh(&hwsim_radio_lock); | |
3028 | ||
3029 | /* In the future we should revise the userspace API and allow it | |
3030 | * to set a flag that it does support multi-channel, then we can | |
3031 | * let this pass conditionally on the flag. | |
3032 | * For current userspace, prohibit it since it won't work right. | |
3033 | */ | |
3034 | if (chans > 1) | |
3035 | return -EOPNOTSUPP; | |
3036 | ||
f21e4d8e | 3037 | if (hwsim_net_get_wmediumd(net)) |
85ca8fc7 | 3038 | return -EBUSY; |
7882513b | 3039 | |
f21e4d8e | 3040 | hwsim_register_wmediumd(net, info->snd_portid); |
7882513b JL |
3041 | |
3042 | printk(KERN_DEBUG "mac80211_hwsim: received a REGISTER, " | |
15e47304 | 3043 | "switching to wmediumd mode with pid %d\n", info->snd_portid); |
7882513b JL |
3044 | |
3045 | return 0; | |
7882513b JL |
3046 | } |
3047 | ||
62759361 | 3048 | static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info) |
bc791098 | 3049 | { |
62759361 JR |
3050 | struct hwsim_new_radio_params param = { 0 }; |
3051 | ||
3052 | param.reg_strict = info->attrs[HWSIM_ATTR_REG_STRICT_REG]; | |
3053 | param.p2p_device = info->attrs[HWSIM_ATTR_SUPPORT_P2P_DEVICE]; | |
3054 | param.channels = channels; | |
3055 | param.destroy_on_close = | |
3056 | info->attrs[HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE]; | |
bc791098 JB |
3057 | |
3058 | if (info->attrs[HWSIM_ATTR_CHANNELS]) | |
62759361 | 3059 | param.channels = nla_get_u32(info->attrs[HWSIM_ATTR_CHANNELS]); |
bc791098 | 3060 | |
9a0cb89a | 3061 | if (info->attrs[HWSIM_ATTR_NO_VIF]) |
62759361 | 3062 | param.no_vif = true; |
9a0cb89a | 3063 | |
5cd8926b | 3064 | if (info->attrs[HWSIM_ATTR_RADIO_NAME]) |
62759361 | 3065 | param.hwname = nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]); |
5cd8926b | 3066 | |
361c3e04 | 3067 | if (info->attrs[HWSIM_ATTR_USE_CHANCTX]) |
62759361 | 3068 | param.use_chanctx = true; |
361c3e04 | 3069 | else |
62759361 | 3070 | param.use_chanctx = (param.channels > 1); |
361c3e04 | 3071 | |
26b0e411 | 3072 | if (info->attrs[HWSIM_ATTR_REG_HINT_ALPHA2]) |
62759361 JR |
3073 | param.reg_alpha2 = |
3074 | nla_data(info->attrs[HWSIM_ATTR_REG_HINT_ALPHA2]); | |
26b0e411 JB |
3075 | |
3076 | if (info->attrs[HWSIM_ATTR_REG_CUSTOM_REG]) { | |
3077 | u32 idx = nla_get_u32(info->attrs[HWSIM_ATTR_REG_CUSTOM_REG]); | |
3078 | ||
3079 | if (idx >= ARRAY_SIZE(hwsim_world_regdom_custom)) | |
3080 | return -EINVAL; | |
62759361 | 3081 | param.regd = hwsim_world_regdom_custom[idx]; |
26b0e411 JB |
3082 | } |
3083 | ||
62759361 | 3084 | return mac80211_hwsim_new_radio(info, ¶m); |
bc791098 JB |
3085 | } |
3086 | ||
579a05f2 | 3087 | static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info) |
bc791098 JB |
3088 | { |
3089 | struct mac80211_hwsim_data *data; | |
8cdd9e1c BG |
3090 | s64 idx = -1; |
3091 | const char *hwname = NULL; | |
bc791098 | 3092 | |
8cdd9e1c BG |
3093 | if (info->attrs[HWSIM_ATTR_RADIO_ID]) |
3094 | idx = nla_get_u32(info->attrs[HWSIM_ATTR_RADIO_ID]); | |
3095 | else if (info->attrs[HWSIM_ATTR_RADIO_NAME]) | |
3096 | hwname = (void *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]); | |
3097 | else | |
bc791098 | 3098 | return -EINVAL; |
bc791098 JB |
3099 | |
3100 | spin_lock_bh(&hwsim_radio_lock); | |
3101 | list_for_each_entry(data, &hwsim_radios, list) { | |
8cdd9e1c BG |
3102 | if (idx >= 0) { |
3103 | if (data->idx != idx) | |
3104 | continue; | |
3105 | } else { | |
6b67e01f | 3106 | if (strcmp(hwname, wiphy_name(data->hw->wiphy))) |
8cdd9e1c BG |
3107 | continue; |
3108 | } | |
3109 | ||
100cb9ff MW |
3110 | if (!net_eq(wiphy_net(data->hw->wiphy), genl_info_net(info))) |
3111 | continue; | |
3112 | ||
bc791098 JB |
3113 | list_del(&data->list); |
3114 | spin_unlock_bh(&hwsim_radio_lock); | |
b9995f83 JR |
3115 | mac80211_hwsim_del_radio(data, wiphy_name(data->hw->wiphy), |
3116 | info); | |
bc791098 JB |
3117 | return 0; |
3118 | } | |
3119 | spin_unlock_bh(&hwsim_radio_lock); | |
3120 | ||
3121 | return -ENODEV; | |
7882513b JL |
3122 | } |
3123 | ||
93d638d4 PF |
3124 | static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info) |
3125 | { | |
3126 | struct mac80211_hwsim_data *data; | |
3127 | struct sk_buff *skb; | |
3128 | int idx, res = -ENODEV; | |
3129 | ||
3130 | if (!info->attrs[HWSIM_ATTR_RADIO_ID]) | |
3131 | return -EINVAL; | |
3132 | idx = nla_get_u32(info->attrs[HWSIM_ATTR_RADIO_ID]); | |
3133 | ||
3134 | spin_lock_bh(&hwsim_radio_lock); | |
3135 | list_for_each_entry(data, &hwsim_radios, list) { | |
3136 | if (data->idx != idx) | |
3137 | continue; | |
3138 | ||
100cb9ff MW |
3139 | if (!net_eq(wiphy_net(data->hw->wiphy), genl_info_net(info))) |
3140 | continue; | |
3141 | ||
93d638d4 PF |
3142 | skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
3143 | if (!skb) { | |
3144 | res = -ENOMEM; | |
3145 | goto out_err; | |
3146 | } | |
3147 | ||
3148 | res = mac80211_hwsim_get_radio(skb, data, info->snd_portid, | |
3149 | info->snd_seq, NULL, 0); | |
3150 | if (res < 0) { | |
3151 | nlmsg_free(skb); | |
3152 | goto out_err; | |
3153 | } | |
3154 | ||
3155 | genlmsg_reply(skb, info); | |
3156 | break; | |
3157 | } | |
3158 | ||
3159 | out_err: | |
3160 | spin_unlock_bh(&hwsim_radio_lock); | |
3161 | ||
3162 | return res; | |
3163 | } | |
3164 | ||
3165 | static int hwsim_dump_radio_nl(struct sk_buff *skb, | |
3166 | struct netlink_callback *cb) | |
3167 | { | |
3168 | int idx = cb->args[0]; | |
3169 | struct mac80211_hwsim_data *data = NULL; | |
3170 | int res; | |
3171 | ||
3172 | spin_lock_bh(&hwsim_radio_lock); | |
3173 | ||
3174 | if (idx == hwsim_radio_idx) | |
3175 | goto done; | |
3176 | ||
3177 | list_for_each_entry(data, &hwsim_radios, list) { | |
3178 | if (data->idx < idx) | |
3179 | continue; | |
3180 | ||
100cb9ff MW |
3181 | if (!net_eq(wiphy_net(data->hw->wiphy), sock_net(skb->sk))) |
3182 | continue; | |
3183 | ||
93d638d4 PF |
3184 | res = mac80211_hwsim_get_radio(skb, data, |
3185 | NETLINK_CB(cb->skb).portid, | |
3186 | cb->nlh->nlmsg_seq, cb, | |
3187 | NLM_F_MULTI); | |
3188 | if (res < 0) | |
3189 | break; | |
3190 | ||
3191 | idx = data->idx + 1; | |
3192 | } | |
3193 | ||
3194 | cb->args[0] = idx; | |
3195 | ||
3196 | done: | |
3197 | spin_unlock_bh(&hwsim_radio_lock); | |
3198 | return skb->len; | |
3199 | } | |
3200 | ||
7882513b | 3201 | /* Generic Netlink operations array */ |
4534de83 | 3202 | static const struct genl_ops hwsim_ops[] = { |
7882513b JL |
3203 | { |
3204 | .cmd = HWSIM_CMD_REGISTER, | |
3205 | .policy = hwsim_genl_policy, | |
3206 | .doit = hwsim_register_received_nl, | |
f21e4d8e | 3207 | .flags = GENL_UNS_ADMIN_PERM, |
7882513b JL |
3208 | }, |
3209 | { | |
3210 | .cmd = HWSIM_CMD_FRAME, | |
3211 | .policy = hwsim_genl_policy, | |
3212 | .doit = hwsim_cloned_frame_received_nl, | |
3213 | }, | |
3214 | { | |
3215 | .cmd = HWSIM_CMD_TX_INFO_FRAME, | |
3216 | .policy = hwsim_genl_policy, | |
3217 | .doit = hwsim_tx_info_frame_received_nl, | |
3218 | }, | |
bc791098 | 3219 | { |
62759361 | 3220 | .cmd = HWSIM_CMD_NEW_RADIO, |
bc791098 | 3221 | .policy = hwsim_genl_policy, |
62759361 | 3222 | .doit = hwsim_new_radio_nl, |
100cb9ff | 3223 | .flags = GENL_UNS_ADMIN_PERM, |
bc791098 JB |
3224 | }, |
3225 | { | |
579a05f2 | 3226 | .cmd = HWSIM_CMD_DEL_RADIO, |
bc791098 | 3227 | .policy = hwsim_genl_policy, |
579a05f2 | 3228 | .doit = hwsim_del_radio_nl, |
100cb9ff | 3229 | .flags = GENL_UNS_ADMIN_PERM, |
bc791098 | 3230 | }, |
93d638d4 PF |
3231 | { |
3232 | .cmd = HWSIM_CMD_GET_RADIO, | |
3233 | .policy = hwsim_genl_policy, | |
3234 | .doit = hwsim_get_radio_nl, | |
3235 | .dumpit = hwsim_dump_radio_nl, | |
3236 | }, | |
7882513b JL |
3237 | }; |
3238 | ||
e9ed49bf JR |
3239 | static void destroy_radio(struct work_struct *work) |
3240 | { | |
3241 | struct mac80211_hwsim_data *data = | |
3242 | container_of(work, struct mac80211_hwsim_data, destroy_work); | |
3243 | ||
b9995f83 | 3244 | mac80211_hwsim_del_radio(data, wiphy_name(data->hw->wiphy), NULL); |
e9ed49bf JR |
3245 | } |
3246 | ||
3247 | static void remove_user_radios(u32 portid) | |
3248 | { | |
3249 | struct mac80211_hwsim_data *entry, *tmp; | |
3250 | ||
3251 | spin_lock_bh(&hwsim_radio_lock); | |
3252 | list_for_each_entry_safe(entry, tmp, &hwsim_radios, list) { | |
3253 | if (entry->destroy_on_close && entry->portid == portid) { | |
3254 | list_del(&entry->list); | |
3255 | INIT_WORK(&entry->destroy_work, destroy_radio); | |
3256 | schedule_work(&entry->destroy_work); | |
3257 | } | |
3258 | } | |
3259 | spin_unlock_bh(&hwsim_radio_lock); | |
3260 | } | |
3261 | ||
7882513b JL |
3262 | static int mac80211_hwsim_netlink_notify(struct notifier_block *nb, |
3263 | unsigned long state, | |
3264 | void *_notify) | |
3265 | { | |
3266 | struct netlink_notify *notify = _notify; | |
3267 | ||
3268 | if (state != NETLINK_URELEASE) | |
3269 | return NOTIFY_DONE; | |
3270 | ||
e9ed49bf JR |
3271 | remove_user_radios(notify->portid); |
3272 | ||
f21e4d8e | 3273 | if (notify->portid == hwsim_net_get_wmediumd(notify->net)) { |
7882513b JL |
3274 | printk(KERN_INFO "mac80211_hwsim: wmediumd released netlink" |
3275 | " socket, switching to perfect channel medium\n"); | |
f21e4d8e | 3276 | hwsim_register_wmediumd(notify->net, 0); |
7882513b JL |
3277 | } |
3278 | return NOTIFY_DONE; | |
3279 | ||
3280 | } | |
3281 | ||
3282 | static struct notifier_block hwsim_netlink_notifier = { | |
3283 | .notifier_call = mac80211_hwsim_netlink_notify, | |
3284 | }; | |
3285 | ||
3286 | static int hwsim_init_netlink(void) | |
3287 | { | |
3288 | int rc; | |
e8261171 | 3289 | |
7882513b JL |
3290 | printk(KERN_INFO "mac80211_hwsim: initializing netlink\n"); |
3291 | ||
62759361 JR |
3292 | rc = genl_register_family_with_ops_groups(&hwsim_genl_family, |
3293 | hwsim_ops, | |
3294 | hwsim_mcgrps); | |
7882513b JL |
3295 | if (rc) |
3296 | goto failure; | |
3297 | ||
3298 | rc = netlink_register_notifier(&hwsim_netlink_notifier); | |
2459cd87 SKY |
3299 | if (rc) { |
3300 | genl_unregister_family(&hwsim_genl_family); | |
7882513b | 3301 | goto failure; |
2459cd87 | 3302 | } |
7882513b JL |
3303 | |
3304 | return 0; | |
3305 | ||
3306 | failure: | |
c393862f | 3307 | printk(KERN_DEBUG "mac80211_hwsim: error occurred in %s\n", __func__); |
7882513b JL |
3308 | return -EINVAL; |
3309 | } | |
3310 | ||
100cb9ff MW |
3311 | static __net_init int hwsim_init_net(struct net *net) |
3312 | { | |
3313 | hwsim_net_set_netgroup(net); | |
3314 | ||
3315 | return 0; | |
3316 | } | |
3317 | ||
3318 | static void __net_exit hwsim_exit_net(struct net *net) | |
3319 | { | |
3320 | struct mac80211_hwsim_data *data, *tmp; | |
3321 | ||
3322 | spin_lock_bh(&hwsim_radio_lock); | |
3323 | list_for_each_entry_safe(data, tmp, &hwsim_radios, list) { | |
3324 | if (!net_eq(wiphy_net(data->hw->wiphy), net)) | |
3325 | continue; | |
3326 | ||
3327 | /* Radios created in init_net are returned to init_net. */ | |
3328 | if (data->netgroup == hwsim_net_get_netgroup(&init_net)) | |
3329 | continue; | |
3330 | ||
3331 | list_del(&data->list); | |
3332 | INIT_WORK(&data->destroy_work, destroy_radio); | |
3333 | schedule_work(&data->destroy_work); | |
3334 | } | |
3335 | spin_unlock_bh(&hwsim_radio_lock); | |
3336 | } | |
3337 | ||
3338 | static struct pernet_operations hwsim_net_ops = { | |
3339 | .init = hwsim_init_net, | |
3340 | .exit = hwsim_exit_net, | |
3341 | .id = &hwsim_net_id, | |
3342 | .size = sizeof(struct hwsim_net), | |
3343 | }; | |
3344 | ||
7882513b JL |
3345 | static void hwsim_exit_netlink(void) |
3346 | { | |
7882513b JL |
3347 | /* unregister the notifier */ |
3348 | netlink_unregister_notifier(&hwsim_netlink_notifier); | |
3349 | /* unregister the family */ | |
cf7a6b2d | 3350 | genl_unregister_family(&hwsim_genl_family); |
7882513b JL |
3351 | } |
3352 | ||
acc1e7a3 JM |
3353 | static int __init init_mac80211_hwsim(void) |
3354 | { | |
f39c2bfa | 3355 | int i, err; |
acc1e7a3 | 3356 | |
bc791098 | 3357 | if (radios < 0 || radios > 100) |
acc1e7a3 JM |
3358 | return -EINVAL; |
3359 | ||
e8261171 JB |
3360 | if (channels < 1) |
3361 | return -EINVAL; | |
3362 | ||
38ed5048 JB |
3363 | mac80211_hwsim_mchan_ops = mac80211_hwsim_ops; |
3364 | mac80211_hwsim_mchan_ops.hw_scan = mac80211_hwsim_hw_scan; | |
3365 | mac80211_hwsim_mchan_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan; | |
3366 | mac80211_hwsim_mchan_ops.sw_scan_start = NULL; | |
3367 | mac80211_hwsim_mchan_ops.sw_scan_complete = NULL; | |
3368 | mac80211_hwsim_mchan_ops.remain_on_channel = mac80211_hwsim_roc; | |
3369 | mac80211_hwsim_mchan_ops.cancel_remain_on_channel = mac80211_hwsim_croc; | |
3370 | mac80211_hwsim_mchan_ops.add_chanctx = mac80211_hwsim_add_chanctx; | |
3371 | mac80211_hwsim_mchan_ops.remove_chanctx = mac80211_hwsim_remove_chanctx; | |
3372 | mac80211_hwsim_mchan_ops.change_chanctx = mac80211_hwsim_change_chanctx; | |
3373 | mac80211_hwsim_mchan_ops.assign_vif_chanctx = | |
3374 | mac80211_hwsim_assign_vif_chanctx; | |
3375 | mac80211_hwsim_mchan_ops.unassign_vif_chanctx = | |
3376 | mac80211_hwsim_unassign_vif_chanctx; | |
69068036 | 3377 | |
0e057d73 JB |
3378 | spin_lock_init(&hwsim_radio_lock); |
3379 | INIT_LIST_HEAD(&hwsim_radios); | |
acc1e7a3 | 3380 | |
100cb9ff | 3381 | err = register_pernet_device(&hwsim_net_ops); |
9ea92774 MP |
3382 | if (err) |
3383 | return err; | |
3384 | ||
100cb9ff MW |
3385 | err = platform_driver_register(&mac80211_hwsim_driver); |
3386 | if (err) | |
3387 | goto out_unregister_pernet; | |
3388 | ||
acc1e7a3 | 3389 | hwsim_class = class_create(THIS_MODULE, "mac80211_hwsim"); |
9ea92774 MP |
3390 | if (IS_ERR(hwsim_class)) { |
3391 | err = PTR_ERR(hwsim_class); | |
f39c2bfa | 3392 | goto out_unregister_driver; |
9ea92774 | 3393 | } |
acc1e7a3 | 3394 | |
62759361 JR |
3395 | err = hwsim_init_netlink(); |
3396 | if (err < 0) | |
3397 | goto out_unregister_driver; | |
3398 | ||
0e057d73 | 3399 | for (i = 0; i < radios; i++) { |
62759361 JR |
3400 | struct hwsim_new_radio_params param = { 0 }; |
3401 | ||
3402 | param.channels = channels; | |
acc1e7a3 | 3403 | |
4a5af9c2 | 3404 | switch (regtest) { |
4a5af9c2 | 3405 | case HWSIM_REGTEST_DIFF_COUNTRY: |
26b0e411 | 3406 | if (i < ARRAY_SIZE(hwsim_alpha2s)) |
62759361 | 3407 | param.reg_alpha2 = hwsim_alpha2s[i]; |
4a5af9c2 LR |
3408 | break; |
3409 | case HWSIM_REGTEST_DRIVER_REG_FOLLOW: | |
3410 | if (!i) | |
62759361 | 3411 | param.reg_alpha2 = hwsim_alpha2s[0]; |
4a5af9c2 | 3412 | break; |
4a5af9c2 | 3413 | case HWSIM_REGTEST_STRICT_ALL: |
62759361 | 3414 | param.reg_strict = true; |
26b0e411 | 3415 | case HWSIM_REGTEST_DRIVER_REG_ALL: |
62759361 | 3416 | param.reg_alpha2 = hwsim_alpha2s[0]; |
4a5af9c2 | 3417 | break; |
26b0e411 JB |
3418 | case HWSIM_REGTEST_WORLD_ROAM: |
3419 | if (i == 0) | |
62759361 | 3420 | param.regd = &hwsim_world_regdom_custom_01; |
4a5af9c2 LR |
3421 | break; |
3422 | case HWSIM_REGTEST_CUSTOM_WORLD: | |
62759361 | 3423 | param.regd = &hwsim_world_regdom_custom_01; |
26b0e411 | 3424 | break; |
4a5af9c2 | 3425 | case HWSIM_REGTEST_CUSTOM_WORLD_2: |
26b0e411 | 3426 | if (i == 0) |
62759361 | 3427 | param.regd = &hwsim_world_regdom_custom_01; |
26b0e411 | 3428 | else if (i == 1) |
62759361 | 3429 | param.regd = &hwsim_world_regdom_custom_02; |
4a5af9c2 LR |
3430 | break; |
3431 | case HWSIM_REGTEST_STRICT_FOLLOW: | |
26b0e411 | 3432 | if (i == 0) { |
62759361 JR |
3433 | param.reg_strict = true; |
3434 | param.reg_alpha2 = hwsim_alpha2s[0]; | |
26b0e411 | 3435 | } |
4a5af9c2 LR |
3436 | break; |
3437 | case HWSIM_REGTEST_STRICT_AND_DRIVER_REG: | |
26b0e411 | 3438 | if (i == 0) { |
62759361 JR |
3439 | param.reg_strict = true; |
3440 | param.reg_alpha2 = hwsim_alpha2s[0]; | |
26b0e411 | 3441 | } else if (i == 1) { |
62759361 | 3442 | param.reg_alpha2 = hwsim_alpha2s[1]; |
26b0e411 | 3443 | } |
4a5af9c2 LR |
3444 | break; |
3445 | case HWSIM_REGTEST_ALL: | |
26b0e411 JB |
3446 | switch (i) { |
3447 | case 0: | |
62759361 | 3448 | param.regd = &hwsim_world_regdom_custom_01; |
26b0e411 JB |
3449 | break; |
3450 | case 1: | |
62759361 | 3451 | param.regd = &hwsim_world_regdom_custom_02; |
26b0e411 JB |
3452 | break; |
3453 | case 2: | |
62759361 | 3454 | param.reg_alpha2 = hwsim_alpha2s[0]; |
26b0e411 JB |
3455 | break; |
3456 | case 3: | |
62759361 | 3457 | param.reg_alpha2 = hwsim_alpha2s[1]; |
26b0e411 JB |
3458 | break; |
3459 | case 4: | |
62759361 JR |
3460 | param.reg_strict = true; |
3461 | param.reg_alpha2 = hwsim_alpha2s[2]; | |
26b0e411 JB |
3462 | break; |
3463 | } | |
4a5af9c2 LR |
3464 | break; |
3465 | default: | |
3466 | break; | |
3467 | } | |
3468 | ||
62759361 JR |
3469 | param.p2p_device = support_p2p_device; |
3470 | param.use_chanctx = channels > 1; | |
3471 | ||
3472 | err = mac80211_hwsim_new_radio(NULL, ¶m); | |
bc791098 | 3473 | if (err < 0) |
f39c2bfa | 3474 | goto out_free_radios; |
acc1e7a3 JM |
3475 | } |
3476 | ||
c835a677 TG |
3477 | hwsim_mon = alloc_netdev(0, "hwsim%d", NET_NAME_UNKNOWN, |
3478 | hwsim_mon_setup); | |
bcdd8220 WY |
3479 | if (hwsim_mon == NULL) { |
3480 | err = -ENOMEM; | |
f39c2bfa | 3481 | goto out_free_radios; |
bcdd8220 | 3482 | } |
acc1e7a3 | 3483 | |
7882513b | 3484 | rtnl_lock(); |
7882513b | 3485 | err = dev_alloc_name(hwsim_mon, hwsim_mon->name); |
f39c2bfa JB |
3486 | if (err < 0) { |
3487 | rtnl_unlock(); | |
3488 | goto out_free_radios; | |
3489 | } | |
7882513b JL |
3490 | |
3491 | err = register_netdevice(hwsim_mon); | |
f39c2bfa JB |
3492 | if (err < 0) { |
3493 | rtnl_unlock(); | |
3494 | goto out_free_mon; | |
3495 | } | |
7882513b JL |
3496 | rtnl_unlock(); |
3497 | ||
acc1e7a3 JM |
3498 | return 0; |
3499 | ||
f39c2bfa | 3500 | out_free_mon: |
acc1e7a3 | 3501 | free_netdev(hwsim_mon); |
f39c2bfa | 3502 | out_free_radios: |
3a33cc10 | 3503 | mac80211_hwsim_free(); |
f39c2bfa | 3504 | out_unregister_driver: |
c07fe5ae | 3505 | platform_driver_unregister(&mac80211_hwsim_driver); |
100cb9ff MW |
3506 | out_unregister_pernet: |
3507 | unregister_pernet_device(&hwsim_net_ops); | |
acc1e7a3 JM |
3508 | return err; |
3509 | } | |
f8fffc7e | 3510 | module_init(init_mac80211_hwsim); |
acc1e7a3 JM |
3511 | |
3512 | static void __exit exit_mac80211_hwsim(void) | |
3513 | { | |
0e057d73 | 3514 | printk(KERN_DEBUG "mac80211_hwsim: unregister radios\n"); |
acc1e7a3 | 3515 | |
7882513b JL |
3516 | hwsim_exit_netlink(); |
3517 | ||
acc1e7a3 | 3518 | mac80211_hwsim_free(); |
5d416351 | 3519 | unregister_netdev(hwsim_mon); |
c07fe5ae | 3520 | platform_driver_unregister(&mac80211_hwsim_driver); |
100cb9ff | 3521 | unregister_pernet_device(&hwsim_net_ops); |
acc1e7a3 | 3522 | } |
acc1e7a3 | 3523 | module_exit(exit_mac80211_hwsim); |