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3c05bedb GKH |
1 | /****************************************************************************** |
2 | * | |
3 | * Copyright(c) 2009-2010 Realtek Corporation. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
17 | * | |
18 | * The full GNU General Public License is included in this distribution in the | |
19 | * file called LICENSE. | |
20 | * | |
21 | * Contact Information: | |
22 | * wlanfae <wlanfae@realtek.com> | |
23 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, | |
24 | * Hsinchu 300, Taiwan. | |
25 | * | |
26 | * Larry Finger <Larry.Finger@lwfinger.net> | |
27 | * | |
28 | *****************************************************************************/ | |
29 | ||
30 | #include <linux/ip.h> | |
31 | #include <linux/module.h> | |
32 | #include "wifi.h" | |
33 | #include "rc.h" | |
34 | #include "base.h" | |
35 | #include "efuse.h" | |
36 | #include "cam.h" | |
37 | #include "ps.h" | |
38 | #include "regd.h" | |
39 | #include "pci.h" | |
40 | ||
41 | /* | |
da4d2016 MI |
42 | *NOTICE!!!: This file will be very big, we should |
43 | *keep it clear under following roles: | |
3c05bedb | 44 | * |
da4d2016 | 45 | *This file include following part, so, if you add new |
3c05bedb GKH |
46 | *functions into this file, please check which part it |
47 | *should includes. or check if you should add new part | |
48 | *for this file: | |
49 | * | |
50 | *1) mac80211 init functions | |
51 | *2) tx information functions | |
52 | *3) functions called by core.c | |
53 | *4) wq & timer callback functions | |
54 | *5) frame process functions | |
55 | *6) IOT functions | |
56 | *7) sysfs functions | |
57 | *8) vif functions | |
58 | *9) ... | |
59 | */ | |
60 | ||
61 | /********************************************************* | |
62 | * | |
63 | * mac80211 init functions | |
64 | * | |
65 | *********************************************************/ | |
66 | static struct ieee80211_channel rtl_channeltable_2g[] = { | |
417c070a GR |
67 | {.center_freq = 2412, .hw_value = 1,}, |
68 | {.center_freq = 2417, .hw_value = 2,}, | |
69 | {.center_freq = 2422, .hw_value = 3,}, | |
70 | {.center_freq = 2427, .hw_value = 4,}, | |
71 | {.center_freq = 2432, .hw_value = 5,}, | |
72 | {.center_freq = 2437, .hw_value = 6,}, | |
73 | {.center_freq = 2442, .hw_value = 7,}, | |
74 | {.center_freq = 2447, .hw_value = 8,}, | |
75 | {.center_freq = 2452, .hw_value = 9,}, | |
76 | {.center_freq = 2457, .hw_value = 10,}, | |
77 | {.center_freq = 2462, .hw_value = 11,}, | |
78 | {.center_freq = 2467, .hw_value = 12,}, | |
79 | {.center_freq = 2472, .hw_value = 13,}, | |
80 | {.center_freq = 2484, .hw_value = 14,}, | |
3c05bedb GKH |
81 | }; |
82 | ||
83 | static struct ieee80211_channel rtl_channeltable_5g[] = { | |
417c070a GR |
84 | {.center_freq = 5180, .hw_value = 36,}, |
85 | {.center_freq = 5200, .hw_value = 40,}, | |
86 | {.center_freq = 5220, .hw_value = 44,}, | |
87 | {.center_freq = 5240, .hw_value = 48,}, | |
88 | {.center_freq = 5260, .hw_value = 52,}, | |
89 | {.center_freq = 5280, .hw_value = 56,}, | |
90 | {.center_freq = 5300, .hw_value = 60,}, | |
91 | {.center_freq = 5320, .hw_value = 64,}, | |
92 | {.center_freq = 5500, .hw_value = 100,}, | |
93 | {.center_freq = 5520, .hw_value = 104,}, | |
94 | {.center_freq = 5540, .hw_value = 108,}, | |
95 | {.center_freq = 5560, .hw_value = 112,}, | |
96 | {.center_freq = 5580, .hw_value = 116,}, | |
97 | {.center_freq = 5600, .hw_value = 120,}, | |
98 | {.center_freq = 5620, .hw_value = 124,}, | |
99 | {.center_freq = 5640, .hw_value = 128,}, | |
100 | {.center_freq = 5660, .hw_value = 132,}, | |
101 | {.center_freq = 5680, .hw_value = 136,}, | |
102 | {.center_freq = 5700, .hw_value = 140,}, | |
103 | {.center_freq = 5745, .hw_value = 149,}, | |
104 | {.center_freq = 5765, .hw_value = 153,}, | |
105 | {.center_freq = 5785, .hw_value = 157,}, | |
106 | {.center_freq = 5805, .hw_value = 161,}, | |
107 | {.center_freq = 5825, .hw_value = 165,}, | |
3c05bedb GKH |
108 | }; |
109 | ||
110 | static struct ieee80211_rate rtl_ratetable_2g[] = { | |
417c070a GR |
111 | {.bitrate = 10, .hw_value = 0x00,}, |
112 | {.bitrate = 20, .hw_value = 0x01,}, | |
113 | {.bitrate = 55, .hw_value = 0x02,}, | |
114 | {.bitrate = 110, .hw_value = 0x03,}, | |
115 | {.bitrate = 60, .hw_value = 0x04,}, | |
116 | {.bitrate = 90, .hw_value = 0x05,}, | |
117 | {.bitrate = 120, .hw_value = 0x06,}, | |
118 | {.bitrate = 180, .hw_value = 0x07,}, | |
119 | {.bitrate = 240, .hw_value = 0x08,}, | |
120 | {.bitrate = 360, .hw_value = 0x09,}, | |
121 | {.bitrate = 480, .hw_value = 0x0a,}, | |
122 | {.bitrate = 540, .hw_value = 0x0b,}, | |
3c05bedb GKH |
123 | }; |
124 | ||
125 | static struct ieee80211_rate rtl_ratetable_5g[] = { | |
417c070a GR |
126 | {.bitrate = 60, .hw_value = 0x04,}, |
127 | {.bitrate = 90, .hw_value = 0x05,}, | |
128 | {.bitrate = 120, .hw_value = 0x06,}, | |
129 | {.bitrate = 180, .hw_value = 0x07,}, | |
130 | {.bitrate = 240, .hw_value = 0x08,}, | |
131 | {.bitrate = 360, .hw_value = 0x09,}, | |
132 | {.bitrate = 480, .hw_value = 0x0a,}, | |
133 | {.bitrate = 540, .hw_value = 0x0b,}, | |
3c05bedb GKH |
134 | }; |
135 | ||
136 | static const struct ieee80211_supported_band rtl_band_2ghz = { | |
137 | .band = IEEE80211_BAND_2GHZ, | |
138 | ||
139 | .channels = rtl_channeltable_2g, | |
140 | .n_channels = ARRAY_SIZE(rtl_channeltable_2g), | |
141 | ||
142 | .bitrates = rtl_ratetable_2g, | |
143 | .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g), | |
144 | ||
145 | .ht_cap = {0}, | |
146 | }; | |
147 | ||
148 | static struct ieee80211_supported_band rtl_band_5ghz = { | |
149 | .band = IEEE80211_BAND_5GHZ, | |
150 | ||
151 | .channels = rtl_channeltable_5g, | |
152 | .n_channels = ARRAY_SIZE(rtl_channeltable_5g), | |
153 | ||
154 | .bitrates = rtl_ratetable_5g, | |
155 | .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g), | |
156 | ||
157 | .ht_cap = {0}, | |
158 | }; | |
159 | ||
160 | static const u8 tid_to_ac[] = { | |
161 | 2, /* IEEE80211_AC_BE */ | |
162 | 3, /* IEEE80211_AC_BK */ | |
163 | 3, /* IEEE80211_AC_BK */ | |
164 | 2, /* IEEE80211_AC_BE */ | |
165 | 1, /* IEEE80211_AC_VI */ | |
166 | 1, /* IEEE80211_AC_VI */ | |
167 | 0, /* IEEE80211_AC_VO */ | |
168 | 0, /* IEEE80211_AC_VO */ | |
169 | }; | |
170 | ||
171 | u8 rtl_tid_to_ac(struct ieee80211_hw *hw, u8 tid) | |
172 | { | |
173 | return tid_to_ac[tid]; | |
174 | } | |
175 | ||
176 | static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw, | |
177 | struct ieee80211_sta_ht_cap *ht_cap) | |
178 | { | |
179 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
180 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
181 | ||
182 | ht_cap->ht_supported = true; | |
183 | ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | | |
184 | IEEE80211_HT_CAP_SGI_40 | | |
185 | IEEE80211_HT_CAP_SGI_20 | | |
186 | IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU; | |
187 | ||
188 | if (rtlpriv->rtlhal.disable_amsdu_8k) | |
189 | ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; | |
190 | ||
191 | /* | |
192 | *Maximum length of AMPDU that the STA can receive. | |
193 | *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) | |
194 | */ | |
195 | ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; | |
196 | ||
197 | /*Minimum MPDU start spacing , */ | |
198 | ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; | |
199 | ||
200 | ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
201 | ||
202 | /* | |
203 | *hw->wiphy->bands[IEEE80211_BAND_2GHZ] | |
204 | *base on ant_num | |
205 | *rx_mask: RX mask | |
206 | *if rx_ant =1 rx_mask[0]=0xff;==>MCS0-MCS7 | |
207 | *if rx_ant =2 rx_mask[1]=0xff;==>MCS8-MCS15 | |
208 | *if rx_ant >=3 rx_mask[2]=0xff; | |
209 | *if BW_40 rx_mask[4]=0x01; | |
210 | *highest supported RX rate | |
211 | */ | |
212 | if (rtlpriv->dm.supp_phymode_switch) { | |
213 | RT_TRACE(COMP_INIT, DBG_EMERG, ("Support phy mode switch\n")); | |
214 | ||
215 | ht_cap->mcs.rx_mask[0] = 0xFF; | |
216 | ht_cap->mcs.rx_mask[1] = 0xFF; | |
217 | ht_cap->mcs.rx_mask[4] = 0x01; | |
218 | ||
219 | ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS15; | |
220 | } else { | |
221 | if (get_rf_type(rtlphy) == RF_1T2R || | |
222 | get_rf_type(rtlphy) == RF_2T2R) { | |
223 | ||
224 | RT_TRACE(COMP_INIT, DBG_DMESG, ("1T2R or 2T2R\n")); | |
225 | ||
226 | ht_cap->mcs.rx_mask[0] = 0xFF; | |
227 | ht_cap->mcs.rx_mask[1] = 0xFF; | |
228 | ht_cap->mcs.rx_mask[4] = 0x01; | |
229 | ||
230 | ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS15; | |
231 | } else if (get_rf_type(rtlphy) == RF_1T1R) { | |
232 | ||
233 | RT_TRACE(COMP_INIT, DBG_DMESG, ("1T1R\n")); | |
234 | ||
235 | ht_cap->mcs.rx_mask[0] = 0xFF; | |
236 | ht_cap->mcs.rx_mask[1] = 0x00; | |
237 | ht_cap->mcs.rx_mask[4] = 0x01; | |
238 | ||
239 | ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS7; | |
240 | } | |
241 | } | |
242 | } | |
243 | ||
244 | static void _rtl_init_mac80211(struct ieee80211_hw *hw) | |
245 | { | |
246 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
247 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); | |
248 | struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); | |
249 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
250 | struct ieee80211_supported_band *sband; | |
251 | ||
252 | ||
253 | if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY && | |
254 | rtlhal->bandset == BAND_ON_BOTH) { | |
255 | /* 1: 2.4 G bands */ | |
256 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
257 | sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]); | |
258 | ||
259 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ] | |
260 | * to default value(1T1R) */ | |
261 | memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), &rtl_band_2ghz, | |
262 | sizeof(struct ieee80211_supported_band)); | |
263 | ||
264 | /* <3> init ht cap base on ant_num */ | |
265 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
266 | ||
267 | /* <4> set mac->sband to wiphy->sband */ | |
268 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; | |
269 | ||
270 | /* 2: 5 G bands */ | |
271 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
272 | sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]); | |
273 | ||
274 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ] | |
275 | * to default value(1T1R) */ | |
276 | memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), &rtl_band_5ghz, | |
277 | sizeof(struct ieee80211_supported_band)); | |
278 | ||
279 | /* <3> init ht cap base on ant_num */ | |
280 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
281 | ||
282 | /* <4> set mac->sband to wiphy->sband */ | |
283 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband; | |
284 | } else { | |
285 | if (rtlhal->current_bandtype == BAND_ON_2_4G) { | |
286 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
287 | sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]); | |
288 | ||
289 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ] | |
290 | * to default value(1T1R) */ | |
291 | memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), | |
292 | &rtl_band_2ghz, | |
293 | sizeof(struct ieee80211_supported_band)); | |
294 | ||
295 | /* <3> init ht cap base on ant_num */ | |
296 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
297 | ||
298 | /* <4> set mac->sband to wiphy->sband */ | |
299 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; | |
300 | } else if (rtlhal->current_bandtype == BAND_ON_5G) { | |
301 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
302 | sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]); | |
303 | ||
304 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ] | |
305 | * to default value(1T1R) */ | |
306 | memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), | |
307 | &rtl_band_5ghz, | |
308 | sizeof(struct ieee80211_supported_band)); | |
309 | ||
310 | /* <3> init ht cap base on ant_num */ | |
311 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
312 | ||
313 | /* <4> set mac->sband to wiphy->sband */ | |
314 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband; | |
315 | } else { | |
316 | RT_TRACE(COMP_INIT, DBG_EMERG, ("Err BAND %d\n", | |
317 | rtlhal->current_bandtype)); | |
318 | } | |
319 | } | |
320 | /* <5> set hw caps */ | |
321 | hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
322 | IEEE80211_HW_RX_INCLUDES_FCS | | |
417c070a | 323 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) |
3c05bedb GKH |
324 | IEEE80211_HW_BEACON_FILTER | |
325 | #endif | |
326 | IEEE80211_HW_AMPDU_AGGREGATION | | |
327 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | | |
328 | IEEE80211_HW_CONNECTION_MONITOR | | |
329 | /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */ | |
330 | IEEE80211_HW_MFP_CAPABLE | 0; | |
331 | ||
332 | /* swlps or hwlps has been set in diff chip in init_sw_vars */ | |
333 | if (rtlpriv->psc.b_swctrl_lps) | |
334 | hw->flags |= IEEE80211_HW_SUPPORTS_PS | | |
67ca1b06 GK |
335 | IEEE80211_HW_PS_NULLFUNC_STACK | |
336 | /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */ | |
3c05bedb GKH |
337 | 0; |
338 | /*<delete in kernel start>*/ | |
417c070a | 339 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) |
3c05bedb GKH |
340 | hw->wiphy->interface_modes = |
341 | BIT(NL80211_IFTYPE_AP) | | |
342 | BIT(NL80211_IFTYPE_STATION) | | |
343 | BIT(NL80211_IFTYPE_ADHOC) | | |
344 | BIT(NL80211_IFTYPE_MESH_POINT) | | |
345 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
346 | BIT(NL80211_IFTYPE_P2P_GO); | |
347 | #else | |
348 | /*<delete in kernel end>*/ | |
349 | hw->wiphy->interface_modes = | |
350 | BIT(NL80211_IFTYPE_AP) | | |
351 | BIT(NL80211_IFTYPE_STATION) | | |
352 | BIT(NL80211_IFTYPE_ADHOC) | | |
353 | BIT(NL80211_IFTYPE_MESH_POINT) ; | |
354 | /*<delete in kernel start>*/ | |
355 | #endif | |
356 | /*<delete in kernel end>*/ | |
417c070a | 357 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) |
3c05bedb GKH |
358 | hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |
359 | #endif | |
360 | ||
417c070a | 361 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) |
3c05bedb GKH |
362 | hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
363 | #endif | |
364 | ||
365 | hw->wiphy->rts_threshold = 2347; | |
366 | ||
367 | hw->queues = AC_MAX; | |
368 | hw->extra_tx_headroom = RTL_TX_HEADER_SIZE; | |
369 | ||
370 | /* TODO: Correct this value for our hw */ | |
371 | /* TODO: define these hard code value */ | |
3c05bedb GKH |
372 | hw->max_listen_interval = 10; |
373 | hw->max_rate_tries = 4; | |
374 | /* hw->max_rates = 1; */ | |
375 | hw->sta_data_size = sizeof(struct rtl_sta_info); | |
376 | #ifdef VIF_TODO | |
377 | hw->vif_data_size = sizeof(struct rtl_vif_info); | |
378 | #endif | |
379 | ||
380 | /* <6> mac address */ | |
381 | if (is_valid_ether_addr(rtlefuse->dev_addr)) { | |
382 | SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr); | |
383 | } else { | |
384 | u8 rtlmac[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; | |
385 | get_random_bytes((rtlmac + (ETH_ALEN - 1)), 1); | |
386 | SET_IEEE80211_PERM_ADDR(hw, rtlmac); | |
387 | } | |
388 | ||
389 | } | |
390 | ||
391 | static void _rtl_init_deferred_work(struct ieee80211_hw *hw) | |
392 | { | |
393 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
394 | ||
395 | /* <1> timer */ | |
396 | init_timer(&rtlpriv->works.watchdog_timer); | |
397 | setup_timer(&rtlpriv->works.watchdog_timer, | |
398 | rtl_watch_dog_timer_callback, (unsigned long)hw); | |
399 | init_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer); | |
400 | setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, | |
401 | rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw); | |
402 | /* <2> work queue */ | |
403 | rtlpriv->works.hw = hw; | |
404 | /*<delete in kernel start>*/ | |
417c070a | 405 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) |
3c05bedb GKH |
406 | /*<delete in kernel end>*/ |
407 | rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0); | |
408 | /*<delete in kernel start>*/ | |
409 | #else | |
410 | rtlpriv->works.rtl_wq = create_workqueue(rtlpriv->cfg->name); | |
411 | #endif | |
412 | /*<delete in kernel end>*/ | |
413 | INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, | |
414 | (void *)rtl_watchdog_wq_callback); | |
415 | INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, | |
416 | (void *)rtl_ips_nic_off_wq_callback); | |
417 | INIT_DELAYED_WORK(&rtlpriv->works.ps_work, | |
418 | (void *)rtl_swlps_wq_callback); | |
419 | INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, | |
420 | (void *)rtl_swlps_rfon_wq_callback); | |
421 | INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, | |
422 | (void *)rtl_fwevt_wq_callback); | |
423 | ||
424 | } | |
425 | ||
426 | void rtl_deinit_deferred_work(struct ieee80211_hw *hw) | |
427 | { | |
428 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
429 | ||
430 | del_timer_sync(&rtlpriv->works.watchdog_timer); | |
431 | ||
432 | cancel_delayed_work(&rtlpriv->works.watchdog_wq); | |
433 | cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); | |
434 | cancel_delayed_work(&rtlpriv->works.ps_work); | |
435 | cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); | |
436 | cancel_delayed_work(&rtlpriv->works.fwevt_wq); | |
437 | } | |
438 | ||
439 | void rtl_init_rfkill(struct ieee80211_hw *hw) | |
440 | { | |
441 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
442 | ||
443 | bool radio_state; | |
444 | bool blocked; | |
445 | u8 valid = 0; | |
446 | ||
447 | /*set init state to on */ | |
448 | rtlpriv->rfkill.rfkill_state = 1; | |
449 | wiphy_rfkill_set_hw_state(hw->wiphy, 0); | |
450 | ||
451 | radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); | |
452 | ||
453 | if (valid) { | |
454 | printk(KERN_INFO "rtlwifi: wireless switch is %s\n", | |
455 | rtlpriv->rfkill.rfkill_state ? "on" : "off"); | |
456 | ||
457 | rtlpriv->rfkill.rfkill_state = radio_state; | |
458 | ||
459 | blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; | |
460 | wiphy_rfkill_set_hw_state(hw->wiphy, blocked); | |
461 | } | |
462 | ||
463 | wiphy_rfkill_start_polling(hw->wiphy); | |
464 | } | |
465 | ||
466 | void rtl_deinit_rfkill(struct ieee80211_hw *hw) | |
467 | { | |
468 | wiphy_rfkill_stop_polling(hw->wiphy); | |
469 | } | |
470 | ||
471 | #ifdef VIF_TODO | |
472 | static void rtl_init_vif(struct ieee80211_hw *hw) | |
473 | { | |
474 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
475 | ||
476 | INIT_LIST_HEAD(&rtlpriv->vif_priv.vif_list); | |
477 | ||
478 | rtlpriv->vif_priv.vifs = 0; | |
479 | } | |
480 | #endif | |
481 | ||
482 | int rtl_init_core(struct ieee80211_hw *hw) | |
483 | { | |
484 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
485 | struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); | |
486 | ||
487 | /* <1> init mac80211 */ | |
488 | _rtl_init_mac80211(hw); | |
489 | rtlmac->hw = hw; | |
490 | rtlmac->link_state = MAC80211_NOLINK; | |
491 | ||
492 | /* <2> rate control register */ | |
493 | hw->rate_control_algorithm = "rtl_rc"; | |
494 | ||
495 | /* | |
496 | * <3> init CRDA must come after init | |
497 | * mac80211 hw in _rtl_init_mac80211. | |
498 | */ | |
499 | if (rtl_regd_init(hw, rtl_reg_notifier)) { | |
500 | RT_TRACE(COMP_ERR, DBG_EMERG, ("REGD init failed\n")); | |
501 | return 1; | |
502 | } | |
503 | ||
504 | /* <4> locks */ | |
505 | mutex_init(&rtlpriv->locks.conf_mutex); | |
506 | spin_lock_init(&rtlpriv->locks.ips_lock); | |
507 | spin_lock_init(&rtlpriv->locks.irq_th_lock); | |
508 | spin_lock_init(&rtlpriv->locks.h2c_lock); | |
509 | spin_lock_init(&rtlpriv->locks.rf_ps_lock); | |
510 | spin_lock_init(&rtlpriv->locks.rf_lock); | |
511 | spin_lock_init(&rtlpriv->locks.lps_lock); | |
512 | spin_lock_init(&rtlpriv->locks.waitq_lock); | |
513 | spin_lock_init(&rtlpriv->locks.entry_list_lock); | |
514 | spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); | |
515 | spin_lock_init(&rtlpriv->locks.check_sendpkt_lock); | |
516 | spin_lock_init(&rtlpriv->locks.fw_ps_lock); | |
517 | spin_lock_init(&rtlpriv->locks.iqk_lock); | |
518 | /* <5> init list */ | |
519 | INIT_LIST_HEAD(&rtlpriv->entry_list); | |
520 | ||
521 | /* <6> init deferred work */ | |
522 | _rtl_init_deferred_work(hw); | |
523 | ||
524 | /* <7> */ | |
525 | #ifdef VIF_TODO | |
526 | rtl_init_vif(hw); | |
527 | #endif | |
528 | ||
529 | return 0; | |
530 | } | |
531 | ||
532 | void rtl_deinit_core(struct ieee80211_hw *hw) | |
533 | { | |
534 | } | |
535 | ||
536 | void rtl_init_rx_config(struct ieee80211_hw *hw) | |
537 | { | |
538 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
539 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
540 | ||
541 | rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); | |
542 | } | |
543 | ||
544 | /********************************************************* | |
545 | * | |
546 | * tx information functions | |
547 | * | |
548 | *********************************************************/ | |
549 | static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, | |
550 | struct rtl_tcb_desc *tcb_desc, | |
551 | struct ieee80211_tx_info *info) | |
552 | { | |
553 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
554 | u8 rate_flag = info->control.rates[0].flags; | |
555 | ||
556 | tcb_desc->use_shortpreamble = false; | |
557 | ||
558 | /* 1M can only use Long Preamble. 11B spec */ | |
559 | if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) | |
560 | return; | |
561 | else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) | |
562 | tcb_desc->use_shortpreamble = true; | |
563 | ||
564 | return; | |
565 | } | |
566 | ||
567 | static void _rtl_query_shortgi(struct ieee80211_hw *hw, | |
568 | struct ieee80211_sta *sta, | |
569 | struct rtl_tcb_desc *tcb_desc, | |
570 | struct ieee80211_tx_info *info) | |
571 | { | |
572 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
573 | u8 rate_flag = info->control.rates[0].flags; | |
574 | u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; | |
575 | tcb_desc->use_shortgi = false; | |
576 | ||
577 | if (sta == NULL) | |
578 | return; | |
579 | ||
580 | sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; | |
581 | sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; | |
582 | ||
583 | if (!(sta->ht_cap.ht_supported)) | |
584 | return; | |
585 | ||
586 | if (!sgi_40 && !sgi_20) | |
587 | return; | |
588 | ||
589 | if (mac->opmode == NL80211_IFTYPE_STATION) | |
590 | bw_40 = mac->bw_40; | |
591 | else if (mac->opmode == NL80211_IFTYPE_AP || | |
592 | mac->opmode == NL80211_IFTYPE_ADHOC || | |
593 | mac->opmode == NL80211_IFTYPE_MESH_POINT) | |
594 | bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
595 | ||
596 | if ((bw_40 == true) && sgi_40) | |
597 | tcb_desc->use_shortgi = true; | |
598 | else if ((bw_40 == false) && sgi_20) | |
599 | tcb_desc->use_shortgi = true; | |
600 | ||
601 | if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) | |
602 | tcb_desc->use_shortgi = false; | |
603 | } | |
604 | ||
605 | static void _rtl_query_protection_mode(struct ieee80211_hw *hw, | |
606 | struct rtl_tcb_desc *tcb_desc, | |
607 | struct ieee80211_tx_info *info) | |
608 | { | |
609 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
610 | u8 rate_flag = info->control.rates[0].flags; | |
611 | ||
612 | /* Common Settings */ | |
613 | tcb_desc->b_rts_stbc = false; | |
614 | tcb_desc->b_cts_enable = false; | |
615 | tcb_desc->rts_sc = 0; | |
616 | tcb_desc->b_rts_bw = false; | |
617 | tcb_desc->b_rts_use_shortpreamble = false; | |
618 | tcb_desc->b_rts_use_shortgi = false; | |
619 | ||
620 | if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { | |
621 | /* Use CTS-to-SELF in protection mode. */ | |
622 | tcb_desc->b_rts_enable = true; | |
623 | tcb_desc->b_cts_enable = true; | |
624 | tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; | |
625 | } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { | |
626 | /* Use RTS-CTS in protection mode. */ | |
627 | tcb_desc->b_rts_enable = true; | |
628 | tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; | |
629 | } | |
630 | } | |
631 | ||
632 | static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, | |
633 | struct ieee80211_sta *sta, | |
634 | struct rtl_tcb_desc *tcb_desc) | |
635 | { | |
636 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
637 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
638 | struct rtl_sta_info *sta_entry = NULL; | |
639 | u8 ratr_index = 7; | |
640 | ||
641 | if (sta) { | |
642 | sta_entry = (struct rtl_sta_info *) sta->drv_priv; | |
643 | ratr_index = sta_entry->ratr_index; | |
644 | } | |
645 | if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { | |
646 | if (mac->opmode == NL80211_IFTYPE_STATION) { | |
647 | tcb_desc->ratr_index = 0; | |
648 | } else if (mac->opmode == NL80211_IFTYPE_ADHOC || | |
649 | mac->opmode == NL80211_IFTYPE_MESH_POINT) { | |
650 | if (tcb_desc->b_multicast || tcb_desc->b_broadcast) { | |
651 | tcb_desc->hw_rate = | |
652 | rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; | |
653 | tcb_desc->use_driver_rate = 1; | |
654 | tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; | |
655 | } else { | |
656 | tcb_desc->ratr_index = ratr_index; | |
657 | } | |
658 | } else if (mac->opmode == NL80211_IFTYPE_AP) { | |
659 | tcb_desc->ratr_index = ratr_index; | |
660 | } | |
661 | } | |
662 | ||
663 | if (rtlpriv->dm.b_useramask) { | |
664 | tcb_desc->ratr_index = ratr_index; | |
da4d2016 | 665 | /* TODO we will differentiate adhoc and station future */ |
3c05bedb GKH |
666 | if (mac->opmode == NL80211_IFTYPE_STATION || |
667 | mac->opmode == NL80211_IFTYPE_MESH_POINT) { | |
668 | tcb_desc->mac_id = 0; | |
669 | ||
670 | if (mac->mode == WIRELESS_MODE_N_24G) { | |
671 | tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB; | |
672 | } else if (mac->mode == WIRELESS_MODE_N_5G) { | |
673 | tcb_desc->ratr_index = RATR_INX_WIRELESS_NG; | |
674 | } else if (mac->mode & WIRELESS_MODE_G) { | |
675 | tcb_desc->ratr_index = RATR_INX_WIRELESS_GB; | |
676 | } else if (mac->mode & WIRELESS_MODE_B) { | |
677 | tcb_desc->ratr_index = RATR_INX_WIRELESS_B; | |
678 | } else if (mac->mode & WIRELESS_MODE_A) { | |
679 | tcb_desc->ratr_index = RATR_INX_WIRELESS_G; | |
680 | } | |
681 | } else if (mac->opmode == NL80211_IFTYPE_AP || | |
682 | mac->opmode == NL80211_IFTYPE_ADHOC) { | |
683 | if (NULL != sta) { | |
684 | if (sta->aid > 0) { | |
685 | tcb_desc->mac_id = sta->aid + 1; | |
686 | } else { | |
687 | tcb_desc->mac_id = 1; | |
688 | } | |
689 | } else { | |
690 | tcb_desc->mac_id = 0; | |
691 | } | |
692 | } | |
693 | } | |
694 | } | |
695 | ||
696 | static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, | |
697 | struct ieee80211_sta *sta, | |
698 | struct rtl_tcb_desc *tcb_desc) | |
699 | { | |
700 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
701 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
702 | ||
703 | tcb_desc->b_packet_bw = false; | |
704 | if (!sta) | |
705 | return; | |
706 | if (mac->opmode == NL80211_IFTYPE_AP || | |
707 | mac->opmode == NL80211_IFTYPE_ADHOC || | |
708 | mac->opmode == NL80211_IFTYPE_MESH_POINT) { | |
709 | if (!(sta->ht_cap.ht_supported) || | |
710 | !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) | |
711 | return; | |
712 | } else if (mac->opmode == NL80211_IFTYPE_STATION) { | |
713 | if (!mac->bw_40 || !(sta->ht_cap.ht_supported)) | |
714 | return; | |
715 | } | |
716 | if (tcb_desc->b_multicast || tcb_desc->b_broadcast) | |
717 | return; | |
718 | ||
719 | /*use legency rate, shall use 20MHz */ | |
720 | if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) | |
721 | return; | |
722 | ||
723 | tcb_desc->b_packet_bw = true; | |
724 | } | |
725 | ||
726 | static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, | |
727 | struct ieee80211_sta *sta) | |
728 | { | |
729 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
730 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
731 | u8 hw_rate; | |
732 | ||
417c070a | 733 | if ((get_rf_type(rtlphy) == RF_2T2R) && (sta->ht_cap.mcs.rx_mask[1] != 0)) |
3c05bedb GKH |
734 | hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; |
735 | else | |
736 | hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; | |
737 | ||
738 | return hw_rate; | |
739 | } | |
740 | ||
741 | void rtl_get_tcb_desc(struct ieee80211_hw *hw, | |
742 | struct ieee80211_tx_info *info, | |
743 | struct ieee80211_sta *sta, | |
744 | struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) | |
745 | { | |
746 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
747 | struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); | |
748 | struct ieee80211_hdr *hdr = rtl_get_hdr(skb); | |
749 | struct ieee80211_rate *txrate; | |
750 | u16 fc = rtl_get_fc(skb); | |
751 | ||
752 | txrate = ieee80211_get_tx_rate(hw, info); | |
753 | if (txrate != NULL) | |
754 | tcb_desc->hw_rate = txrate->hw_value; | |
755 | ||
756 | if (ieee80211_is_data(fc)) { | |
757 | /* | |
758 | *we set data rate INX 0 | |
759 | *in rtl_rc.c if skb is special data or | |
760 | *mgt which need low data rate. | |
761 | */ | |
762 | ||
763 | /* | |
764 | *So tcb_desc->hw_rate is just used for | |
765 | *special data and mgt frames | |
766 | */ | |
767 | if (info->control.rates[0].idx == 0 || | |
768 | ieee80211_is_nullfunc(fc)) { | |
769 | tcb_desc->use_driver_rate = true; | |
770 | tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; | |
771 | ||
772 | tcb_desc->disable_ratefallback = 1; | |
773 | } else { | |
774 | /* | |
da4d2016 | 775 | *because hw will never use hw_rate |
3c05bedb GKH |
776 | *when tcb_desc->use_driver_rate = false |
777 | *so we never set highest N rate here, | |
da4d2016 | 778 | *and N rate will all be controlled by FW |
3c05bedb GKH |
779 | *when tcb_desc->use_driver_rate = false |
780 | */ | |
781 | if (sta && (sta->ht_cap.ht_supported)) { | |
782 | tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw, sta); | |
783 | } else { | |
417c070a | 784 | if (rtlmac->mode == WIRELESS_MODE_B) { |
3c05bedb GKH |
785 | tcb_desc->hw_rate = |
786 | rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; | |
787 | } else { | |
788 | tcb_desc->hw_rate = | |
789 | rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; | |
790 | } | |
791 | } | |
792 | } | |
793 | ||
794 | if (is_multicast_ether_addr(ieee80211_get_DA(hdr))) | |
795 | tcb_desc->b_multicast = 1; | |
796 | else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr))) | |
797 | tcb_desc->b_broadcast = 1; | |
798 | ||
799 | _rtl_txrate_selectmode(hw, sta, tcb_desc); | |
800 | _rtl_query_bandwidth_mode(hw, sta, tcb_desc); | |
801 | _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); | |
802 | _rtl_query_shortgi(hw, sta, tcb_desc, info); | |
803 | _rtl_query_protection_mode(hw, tcb_desc, info); | |
804 | } else { | |
805 | tcb_desc->use_driver_rate = true; | |
806 | tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; | |
807 | tcb_desc->disable_ratefallback = 1; | |
808 | tcb_desc->mac_id = 0; | |
809 | tcb_desc->b_packet_bw = false; | |
810 | } | |
811 | } | |
812 | //EXPORT_SYMBOL(rtl_get_tcb_desc); | |
813 | ||
814 | bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) | |
815 | { | |
816 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
817 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
818 | u16 fc = rtl_get_fc(skb); | |
819 | ||
820 | if (rtlpriv->dm.supp_phymode_switch && | |
821 | mac->link_state < MAC80211_LINKED && | |
822 | (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { | |
823 | if (rtlpriv->cfg->ops->check_switch_to_dmdp) | |
824 | rtlpriv->cfg->ops->check_switch_to_dmdp(hw); | |
825 | } | |
826 | if (ieee80211_is_auth(fc)) { | |
827 | RT_TRACE(COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n")); | |
828 | rtl_ips_nic_on(hw); | |
829 | ||
830 | mac->link_state = MAC80211_LINKING; | |
831 | /* Dul mac */ | |
832 | rtlpriv->phy.b_need_iqk = true; | |
833 | ||
834 | } | |
835 | ||
836 | return true; | |
837 | } | |
838 | ||
839 | struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, | |
840 | u8 *bssid, u16 tid); | |
841 | bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) | |
842 | { | |
843 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
844 | struct ieee80211_hdr *hdr = rtl_get_hdr(skb); | |
845 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
846 | u16 fc = rtl_get_fc(skb); | |
847 | u8 *act = (u8 *) (((u8 *) skb->data + MAC80211_3ADDR_LEN)); | |
848 | u8 category; | |
849 | ||
850 | if (!ieee80211_is_action(fc)) | |
851 | return true; | |
852 | ||
853 | category = *act; | |
854 | act++; | |
855 | switch (category) { | |
856 | case ACT_CAT_BA: | |
857 | switch (*act) { | |
858 | case ACT_ADDBAREQ: | |
859 | if (mac->act_scanning) | |
860 | return false; | |
861 | ||
862 | RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG, | |
863 | ("%s ACT_ADDBAREQ From :%pM\n", | |
864 | is_tx ? "Tx" : "Rx", hdr->addr2)); | |
ebd68c23 | 865 | RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, ("req\n"), |
67ca1b06 | 866 | skb->data, skb->len); |
3c05bedb GKH |
867 | if (!is_tx) { |
868 | struct ieee80211_sta *sta = NULL; | |
869 | struct rtl_sta_info *sta_entry = NULL; | |
870 | struct ieee80211_mgmt *mgmt = (void *)skb->data; | |
871 | u16 capab = 0, tid = 0; | |
872 | struct rtl_tid_data *tid_data; | |
873 | struct sk_buff *skb_delba = NULL; | |
874 | struct ieee80211_rx_status rx_status = { 0 }; | |
875 | ||
876 | rcu_read_lock(); | |
877 | sta = rtl_find_sta(hw, hdr->addr3); | |
878 | if (sta == NULL) { | |
879 | RT_TRACE((COMP_SEND | COMP_RECV), | |
880 | DBG_EMERG, ("sta is NULL\n")); | |
881 | rcu_read_unlock(); | |
882 | return true; | |
883 | } | |
884 | ||
885 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
886 | if (!sta_entry) { | |
887 | rcu_read_unlock(); | |
888 | return true; | |
889 | } | |
890 | capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab); | |
891 | tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; | |
892 | tid_data = &sta_entry->tids[tid]; | |
893 | if (tid_data->agg.rx_agg_state == | |
894 | RTL_RX_AGG_START) { | |
895 | skb_delba = rtl_make_del_ba(hw, | |
896 | hdr->addr2, | |
897 | hdr->addr3, | |
898 | tid); | |
899 | if (skb_delba) { | |
417c070a | 900 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0)) |
3c05bedb GKH |
901 | rx_status.freq = hw->conf.chandef.chan->center_freq; |
902 | rx_status.band = hw->conf.chandef.chan->band; | |
903 | #else | |
904 | rx_status.freq = hw->conf.channel->center_freq; | |
905 | rx_status.band = hw->conf.channel->band; | |
906 | #endif | |
907 | rx_status.flag |= RX_FLAG_DECRYPTED; | |
908 | rx_status.flag |= RX_FLAG_MACTIME_MPDU; | |
909 | rx_status.rate_idx = 0; | |
910 | rx_status.signal = 50 + 10; | |
911 | memcpy(IEEE80211_SKB_RXCB(skb_delba), &rx_status, | |
912 | sizeof(rx_status)); | |
913 | RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, | |
914 | ("fake del\n"), skb_delba->data, | |
915 | skb_delba->len); | |
916 | ieee80211_rx_irqsafe(hw, skb_delba); | |
917 | } | |
918 | } | |
919 | rcu_read_unlock(); | |
920 | } | |
921 | break; | |
922 | case ACT_ADDBARSP: | |
923 | RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG, | |
924 | ("%s ACT_ADDBARSP From :%pM\n", | |
925 | is_tx ? "Tx" : "Rx", hdr->addr2)); | |
926 | break; | |
927 | case ACT_DELBA: | |
928 | RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG, | |
929 | ("ACT_ADDBADEL From :%pM\n", hdr->addr2)); | |
930 | break; | |
931 | } | |
932 | break; | |
933 | default: | |
934 | break; | |
935 | } | |
936 | ||
937 | return true; | |
938 | } | |
939 | ||
940 | /*should call before software enc*/ | |
941 | u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) | |
942 | { | |
943 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
944 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
945 | u16 fc = rtl_get_fc(skb); | |
946 | u16 ether_type; | |
947 | u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); | |
948 | const struct iphdr *ip; | |
949 | ||
950 | if (!ieee80211_is_data(fc)) | |
951 | goto end; | |
952 | ||
953 | ||
954 | ip = (struct iphdr *)((u8 *) skb->data + mac_hdr_len + | |
955 | SNAP_SIZE + PROTOC_TYPE_SIZE); | |
956 | ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE); | |
957 | ether_type = ntohs(ether_type); | |
958 | ||
959 | if (ETH_P_IP == ether_type) { | |
960 | if (IPPROTO_UDP == ip->protocol) { | |
961 | struct udphdr *udp = (struct udphdr *)((u8 *) ip + | |
962 | (ip->ihl << 2)); | |
963 | if (((((u8 *) udp)[1] == 68) && | |
964 | (((u8 *) udp)[3] == 67)) || | |
965 | ((((u8 *) udp)[1] == 67) && | |
966 | (((u8 *) udp)[3] == 68))) { | |
967 | /* | |
968 | * 68 : UDP BOOTP client | |
969 | * 67 : UDP BOOTP server | |
970 | */ | |
971 | RT_TRACE((COMP_SEND | COMP_RECV), | |
972 | DBG_DMESG, ("dhcp %s !!\n", | |
973 | (is_tx) ? "Tx" : "Rx")); | |
974 | ||
975 | if (is_tx) { | |
976 | rtlpriv->ra.is_special_data = true; | |
977 | rtl_lps_leave(hw); | |
978 | ppsc->last_delaylps_stamp_jiffies = | |
979 | jiffies; | |
980 | } | |
981 | ||
982 | return true; | |
983 | } | |
984 | } | |
985 | } else if (ETH_P_ARP == ether_type) { | |
986 | if (is_tx) { | |
987 | rtlpriv->ra.is_special_data = true; | |
988 | rtl_lps_leave(hw); | |
989 | ppsc->last_delaylps_stamp_jiffies = jiffies; | |
990 | } | |
991 | ||
992 | return true; | |
993 | } else if (ETH_P_PAE == ether_type) { | |
994 | RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG, | |
995 | ("802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx")); | |
996 | ||
997 | if (is_tx) { | |
998 | rtlpriv->ra.is_special_data = true; | |
999 | rtl_lps_leave(hw); | |
1000 | ppsc->last_delaylps_stamp_jiffies = jiffies; | |
1001 | } | |
1002 | ||
1003 | return true; | |
1004 | } else if (0x86DD == ether_type) { | |
1005 | return true; | |
1006 | } | |
1007 | ||
1008 | end: | |
1009 | rtlpriv->ra.is_special_data = false; | |
1010 | return false; | |
1011 | } | |
1012 | ||
1013 | /********************************************************* | |
1014 | * | |
1015 | * functions called by core.c | |
1016 | * | |
1017 | *********************************************************/ | |
1018 | int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
1019 | struct ieee80211_sta *sta, u16 tid, u16 *ssn) | |
1020 | { | |
1021 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1022 | struct rtl_tid_data *tid_data; | |
1023 | struct rtl_sta_info *sta_entry = NULL; | |
1024 | ||
1025 | if (sta == NULL) | |
1026 | return -EINVAL; | |
1027 | ||
1028 | if (unlikely(tid >= MAX_TID_COUNT)) | |
1029 | return -EINVAL; | |
1030 | ||
1031 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
1032 | if (!sta_entry) | |
1033 | return -ENXIO; | |
1034 | tid_data = &sta_entry->tids[tid]; | |
1035 | ||
1036 | RT_TRACE(COMP_SEND, DBG_DMESG, | |
1037 | ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid, | |
1038 | tid_data->seq_number)); | |
1039 | ||
1040 | *ssn = tid_data->seq_number; | |
1041 | tid_data->agg.agg_state = RTL_AGG_START; | |
1042 | ||
1043 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
1048 | struct ieee80211_sta *sta, u16 tid) | |
1049 | { | |
1050 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1051 | struct rtl_tid_data *tid_data; | |
1052 | struct rtl_sta_info *sta_entry = NULL; | |
1053 | ||
1054 | if (sta == NULL) | |
1055 | return -EINVAL; | |
1056 | ||
1057 | if (!sta->addr) { | |
1058 | RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n")); | |
1059 | return -EINVAL; | |
1060 | } | |
1061 | ||
1062 | RT_TRACE(COMP_SEND, DBG_DMESG, | |
1063 | ("on ra = %pM tid = %d\n", sta->addr, tid)); | |
1064 | ||
1065 | if (unlikely(tid >= MAX_TID_COUNT)) | |
1066 | return -EINVAL; | |
1067 | ||
1068 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
1069 | tid_data = &sta_entry->tids[tid]; | |
1070 | sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; | |
1071 | ||
1072 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
1073 | return 0; | |
1074 | } | |
1075 | ||
1076 | int rtl_rx_agg_start(struct ieee80211_hw *hw, | |
1077 | struct ieee80211_sta *sta, u16 tid) | |
1078 | { | |
1079 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1080 | struct rtl_tid_data *tid_data; | |
1081 | struct rtl_sta_info *sta_entry = NULL; | |
1082 | ||
1083 | if (sta == NULL) | |
1084 | return -EINVAL; | |
1085 | ||
1086 | if (unlikely(tid >= MAX_TID_COUNT)) | |
1087 | return -EINVAL; | |
1088 | ||
1089 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
1090 | if (!sta_entry) | |
1091 | return -ENXIO; | |
1092 | tid_data = &sta_entry->tids[tid]; | |
1093 | ||
1094 | RT_TRACE(COMP_RECV, DBG_DMESG, | |
1095 | ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid, | |
1096 | tid_data->seq_number)); | |
1097 | ||
1098 | tid_data->agg.rx_agg_state = RTL_RX_AGG_START; | |
1099 | return 0; | |
1100 | } | |
1101 | ||
1102 | int rtl_rx_agg_stop(struct ieee80211_hw *hw, | |
1103 | struct ieee80211_sta *sta, u16 tid) | |
1104 | { | |
1105 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1106 | struct rtl_tid_data *tid_data; | |
1107 | struct rtl_sta_info *sta_entry = NULL; | |
1108 | ||
1109 | if (sta == NULL) | |
1110 | return -EINVAL; | |
1111 | ||
1112 | if (!sta->addr) { | |
1113 | RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n")); | |
1114 | return -EINVAL; | |
1115 | } | |
1116 | ||
1117 | RT_TRACE(COMP_SEND, DBG_DMESG, | |
1118 | ("on ra = %pM tid = %d\n", sta->addr, tid)); | |
1119 | ||
1120 | if (unlikely(tid >= MAX_TID_COUNT)) | |
1121 | return -EINVAL; | |
1122 | ||
1123 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
1124 | tid_data = &sta_entry->tids[tid]; | |
1125 | sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; | |
1126 | ||
1127 | return 0; | |
1128 | } | |
1129 | int rtl_tx_agg_oper(struct ieee80211_hw *hw, | |
1130 | struct ieee80211_sta *sta, u16 tid) | |
1131 | { | |
1132 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1133 | struct rtl_tid_data *tid_data; | |
1134 | struct rtl_sta_info *sta_entry = NULL; | |
1135 | ||
1136 | if (sta == NULL) | |
1137 | return -EINVAL; | |
1138 | ||
1139 | if (!sta->addr) { | |
1140 | RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n")); | |
1141 | return -EINVAL; | |
1142 | } | |
1143 | ||
1144 | RT_TRACE(COMP_SEND, DBG_DMESG, | |
1145 | ("on ra = %pM tid = %d\n", sta->addr, tid)); | |
1146 | ||
1147 | if (unlikely(tid >= MAX_TID_COUNT)) | |
1148 | return -EINVAL; | |
1149 | ||
1150 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
1151 | tid_data = &sta_entry->tids[tid]; | |
1152 | sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; | |
1153 | ||
1154 | return 0; | |
1155 | } | |
1156 | ||
1157 | /********************************************************* | |
1158 | * | |
1159 | * wq & timer callback functions | |
1160 | * | |
1161 | *********************************************************/ | |
1162 | /* this function is used for roaming */ | |
1163 | void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) | |
1164 | { | |
1165 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1166 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
1167 | ||
1168 | if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) | |
1169 | return; | |
1170 | ||
1171 | if (rtlpriv->mac80211.link_state < MAC80211_LINKED) | |
1172 | return; | |
1173 | ||
1174 | /* check if this really is a beacon */ | |
1175 | if (!ieee80211_is_beacon(hdr->frame_control) && | |
1176 | !ieee80211_is_probe_resp(hdr->frame_control)) | |
1177 | return; | |
1178 | ||
1179 | /* min. beacon length + FCS_LEN */ | |
1180 | if (skb->len <= 40 + FCS_LEN) | |
1181 | return; | |
1182 | ||
1183 | /* and only beacons from the associated BSSID, please */ | |
ee5de8dd | 1184 | if (ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) |
3c05bedb GKH |
1185 | return; |
1186 | ||
417c070a | 1187 | rtlpriv->link_info.bcn_rx_inperiod++; |
3c05bedb GKH |
1188 | } |
1189 | ||
1190 | void rtl_watchdog_wq_callback(void *data) | |
1191 | { | |
1192 | struct rtl_works *rtlworks = container_of_dwork_rtl(data, | |
1193 | struct rtl_works, | |
1194 | watchdog_wq); | |
1195 | struct ieee80211_hw *hw = rtlworks->hw; | |
1196 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1197 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
1198 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
1199 | bool b_busytraffic = false; | |
1200 | bool b_tx_busy_traffic = false; | |
1201 | bool b_rx_busy_traffic = false; | |
1202 | bool b_higher_busytraffic = false; | |
1203 | bool b_higher_busyrxtraffic = false; | |
1204 | u8 idx, tid; | |
1205 | u32 rx_cnt_inp4eriod = 0; | |
1206 | u32 tx_cnt_inp4eriod = 0; | |
1207 | u32 aver_rx_cnt_inperiod = 0; | |
1208 | u32 aver_tx_cnt_inperiod = 0; | |
1209 | u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; | |
1210 | u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; | |
1211 | bool benter_ps = false; | |
1212 | ||
1213 | if (is_hal_stop(rtlhal)) | |
1214 | return; | |
1215 | ||
1216 | /* <1> Determine if action frame is allowed */ | |
1217 | if (mac->link_state > MAC80211_NOLINK) { | |
1218 | if (mac->cnt_after_linked < 20) | |
1219 | mac->cnt_after_linked++; | |
1220 | } else { | |
1221 | mac->cnt_after_linked = 0; | |
1222 | } | |
1223 | ||
1224 | /* <2> to check if traffic busy, if | |
1225 | * busytraffic we don't change channel */ | |
1226 | if (mac->link_state >= MAC80211_LINKED) { | |
1227 | ||
1228 | /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ | |
1229 | for (idx = 0; idx <= 2; idx++) { | |
1230 | rtlpriv->link_info.num_rx_in4period[idx] = | |
1231 | rtlpriv->link_info.num_rx_in4period[idx + 1]; | |
1232 | rtlpriv->link_info.num_tx_in4period[idx] = | |
1233 | rtlpriv->link_info.num_tx_in4period[idx + 1]; | |
1234 | } | |
1235 | rtlpriv->link_info.num_rx_in4period[3] = | |
1236 | rtlpriv->link_info.num_rx_inperiod; | |
1237 | rtlpriv->link_info.num_tx_in4period[3] = | |
1238 | rtlpriv->link_info.num_tx_inperiod; | |
1239 | for (idx = 0; idx <= 3; idx++) { | |
1240 | rx_cnt_inp4eriod += | |
1241 | rtlpriv->link_info.num_rx_in4period[idx]; | |
1242 | tx_cnt_inp4eriod += | |
1243 | rtlpriv->link_info.num_tx_in4period[idx]; | |
1244 | } | |
1245 | aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; | |
1246 | aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; | |
1247 | ||
1248 | /* (2) check traffic busy */ | |
1249 | if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { | |
1250 | b_busytraffic = true; | |
1251 | if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) | |
1252 | b_rx_busy_traffic = true; | |
1253 | else | |
1254 | b_tx_busy_traffic = false; | |
1255 | } | |
1256 | ||
1257 | /* Higher Tx/Rx data. */ | |
1258 | if (aver_rx_cnt_inperiod > 4000 || | |
1259 | aver_tx_cnt_inperiod > 4000) { | |
1260 | b_higher_busytraffic = true; | |
1261 | ||
1262 | /* Extremely high Rx data. */ | |
1263 | if (aver_rx_cnt_inperiod > 5000) | |
1264 | b_higher_busyrxtraffic = true; | |
1265 | } | |
1266 | ||
1267 | /* check every tid's tx traffic */ | |
1268 | for (tid = 0; tid <= 7; tid++) { | |
1269 | for (idx = 0; idx <= 2; idx++) | |
1270 | rtlpriv->link_info.tidtx_in4period[tid][idx] = | |
1271 | rtlpriv->link_info.tidtx_in4period[tid] | |
1272 | [idx + 1]; | |
1273 | rtlpriv->link_info.tidtx_in4period[tid][3] = | |
1274 | rtlpriv->link_info.tidtx_inperiod[tid]; | |
1275 | ||
1276 | for (idx = 0; idx <= 3; idx++) | |
1277 | tidtx_inp4eriod[tid] += | |
1278 | rtlpriv->link_info.tidtx_in4period[tid][idx]; | |
1279 | aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; | |
1280 | if (aver_tidtx_inperiod[tid] > 5000) | |
1281 | rtlpriv->link_info.higher_busytxtraffic[tid] = | |
1282 | true; | |
1283 | else | |
1284 | rtlpriv->link_info.higher_busytxtraffic[tid] = | |
1285 | false; | |
1286 | } | |
1287 | ||
1288 | if (((rtlpriv->link_info.num_rx_inperiod + | |
1289 | rtlpriv->link_info.num_tx_inperiod) > 8) || | |
1290 | (rtlpriv->link_info.num_rx_inperiod > 2)) | |
1291 | benter_ps = false; | |
1292 | else | |
1293 | benter_ps = true; | |
1294 | ||
1295 | /* LeisurePS only work in infra mode. */ | |
1296 | if (benter_ps) | |
1297 | rtl_lps_enter(hw); | |
1298 | else | |
1299 | rtl_lps_leave(hw); | |
1300 | } | |
1301 | ||
1302 | rtlpriv->link_info.num_rx_inperiod = 0; | |
1303 | rtlpriv->link_info.num_tx_inperiod = 0; | |
1304 | for (tid = 0; tid <= 7; tid++) | |
1305 | rtlpriv->link_info.tidtx_inperiod[tid] = 0; | |
1306 | ||
1307 | rtlpriv->link_info.b_busytraffic = b_busytraffic; | |
1308 | rtlpriv->link_info.b_rx_busy_traffic = b_rx_busy_traffic; | |
1309 | rtlpriv->link_info.b_tx_busy_traffic = b_tx_busy_traffic; | |
1310 | rtlpriv->link_info.b_higher_busytraffic = b_higher_busytraffic; | |
1311 | rtlpriv->link_info.b_higher_busyrxtraffic = b_higher_busyrxtraffic; | |
1312 | ||
1313 | /* <3> DM */ | |
1314 | rtlpriv->cfg->ops->dm_watchdog(hw); | |
1315 | ||
1316 | /* <4> roaming */ | |
1317 | if (mac->link_state == MAC80211_LINKED && | |
1318 | mac->opmode == NL80211_IFTYPE_STATION) { | |
1319 | if ((rtlpriv->link_info.bcn_rx_inperiod + | |
1320 | rtlpriv->link_info.num_rx_inperiod) == 0) { | |
1321 | rtlpriv->link_info.roam_times++; | |
1322 | RT_TRACE(COMP_ERR, DBG_DMESG, ("AP off for %d s\n", | |
1323 | (rtlpriv->link_info.roam_times * 2))); | |
1324 | ||
1325 | /* if we can't recv beacon for 10s, | |
1326 | * we should reconnect this AP */ | |
1327 | if (rtlpriv->link_info.roam_times >= 5) { | |
1328 | RT_TRACE(COMP_ERR, DBG_EMERG, | |
1329 | ("AP off, try to reconnect now\n")); | |
1330 | rtlpriv->link_info.roam_times = 0; | |
1331 | ieee80211_connection_loss(rtlpriv->mac80211.vif); | |
1332 | } | |
1333 | } else { | |
1334 | rtlpriv->link_info.roam_times = 0; | |
1335 | } | |
1336 | } | |
1337 | rtlpriv->link_info.bcn_rx_inperiod = 0; | |
1338 | } | |
1339 | ||
1340 | void rtl_watch_dog_timer_callback(unsigned long data) | |
1341 | { | |
1342 | struct ieee80211_hw *hw = (struct ieee80211_hw *)data; | |
1343 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1344 | ||
1345 | queue_delayed_work(rtlpriv->works.rtl_wq, | |
1346 | &rtlpriv->works.watchdog_wq, 0); | |
1347 | ||
1348 | mod_timer(&rtlpriv->works.watchdog_timer, | |
1349 | jiffies + MSECS(RTL_WATCH_DOG_TIME)); | |
1350 | } | |
1351 | void rtl_fwevt_wq_callback(void *data) | |
1352 | { | |
1353 | struct rtl_works *rtlworks = | |
1354 | container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); | |
1355 | struct ieee80211_hw *hw = rtlworks->hw; | |
1356 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1357 | ||
1358 | rtlpriv->cfg->ops->c2h_command_handle(hw); | |
1359 | } | |
1360 | void rtl_easy_concurrent_retrytimer_callback(unsigned long data) | |
1361 | { | |
1362 | struct ieee80211_hw *hw = (struct ieee80211_hw *)data; | |
1363 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1364 | struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; | |
1365 | ||
1366 | if(buddy_priv == NULL) | |
1367 | return; | |
1368 | ||
1369 | rtlpriv->cfg->ops->dualmac_easy_concurrent(hw); | |
1370 | } | |
1371 | /********************************************************* | |
1372 | * | |
1373 | * frame process functions | |
1374 | * | |
1375 | *********************************************************/ | |
1376 | u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) | |
1377 | { | |
1378 | struct ieee80211_mgmt *mgmt = (void *)data; | |
1379 | u8 *pos, *end; | |
1380 | ||
1381 | pos = (u8 *)mgmt->u.beacon.variable; | |
1382 | end = data + len; | |
1383 | while (pos < end) { | |
1384 | if (pos + 2 + pos[1] > end) | |
1385 | return NULL; | |
1386 | ||
1387 | if (pos[0] == ie) | |
1388 | return pos; | |
1389 | ||
1390 | pos += 2 + pos[1]; | |
1391 | } | |
1392 | return NULL; | |
1393 | } | |
1394 | ||
1395 | /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ | |
1396 | /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ | |
1397 | struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, | |
1398 | enum ieee80211_smps_mode smps, | |
1399 | u8 *da, u8 *bssid) | |
1400 | { | |
1401 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
1402 | struct sk_buff *skb; | |
1403 | struct ieee80211_mgmt_compat *action_frame; | |
1404 | ||
1405 | /* 27 = header + category + action + smps mode */ | |
1406 | skb = dev_alloc_skb(27 + hw->extra_tx_headroom); | |
1407 | if (!skb) | |
1408 | return NULL; | |
1409 | ||
1410 | skb_reserve(skb, hw->extra_tx_headroom); | |
1411 | action_frame = (void *)skb_put(skb, 27); | |
1412 | memset(action_frame, 0, 27); | |
1413 | memcpy(action_frame->da, da, ETH_ALEN); | |
1414 | memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); | |
1415 | memcpy(action_frame->bssid, bssid, ETH_ALEN); | |
1416 | action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
1417 | IEEE80211_STYPE_ACTION); | |
1418 | action_frame->u.action.category = WLAN_CATEGORY_HT; | |
1419 | action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; | |
1420 | switch (smps) { | |
1421 | case IEEE80211_SMPS_AUTOMATIC:/* 0 */ | |
1422 | case IEEE80211_SMPS_NUM_MODES:/* 4 */ | |
1423 | WARN_ON(1); | |
1424 | case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ | |
1425 | action_frame->u.action.u.ht_smps.smps_control = | |
1426 | WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ | |
1427 | break; | |
1428 | case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ | |
1429 | action_frame->u.action.u.ht_smps.smps_control = | |
1430 | WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ | |
1431 | break; | |
1432 | case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ | |
1433 | action_frame->u.action.u.ht_smps.smps_control = | |
1434 | WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ | |
1435 | break; | |
1436 | } | |
1437 | ||
1438 | return skb; | |
1439 | } | |
1440 | ||
1441 | int rtl_send_smps_action(struct ieee80211_hw *hw, | |
1442 | struct ieee80211_sta *sta, | |
1443 | enum ieee80211_smps_mode smps) | |
1444 | { | |
1445 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1446 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
1447 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
1448 | struct sk_buff *skb = NULL; | |
1449 | struct rtl_tcb_desc tcb_desc; | |
1450 | u8 bssid[ETH_ALEN] = {0}; | |
1451 | ||
1452 | memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); | |
1453 | ||
1454 | if (rtlpriv->mac80211.act_scanning) | |
1455 | goto err_free; | |
1456 | ||
1457 | if (!sta) | |
1458 | goto err_free; | |
1459 | ||
1460 | if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) | |
1461 | goto err_free; | |
1462 | ||
1463 | if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) | |
1464 | goto err_free; | |
1465 | ||
1466 | if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) | |
1467 | memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); | |
1468 | else | |
1469 | memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); | |
1470 | ||
1471 | skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); | |
1472 | /* this is a type = mgmt * stype = action frame */ | |
1473 | if (skb) { | |
1474 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
1475 | struct rtl_sta_info *sta_entry = | |
1476 | (struct rtl_sta_info *) sta->drv_priv; | |
1477 | sta_entry->mimo_ps = smps; | |
1478 | /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */ | |
1479 | ||
1480 | info->control.rates[0].idx = 0; | |
417c070a | 1481 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0)) |
3c05bedb GKH |
1482 | info->band = hw->conf.chandef.chan->band; |
1483 | #else | |
1484 | info->band = hw->conf.channel->band; | |
1485 | #endif | |
1486 | /*<delete in kernel start>*/ | |
417c070a | 1487 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0)) |
3c05bedb GKH |
1488 | info->control.sta = sta; |
1489 | rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc); | |
1490 | #else | |
1491 | /*<delete in kernel end>*/ | |
1492 | rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); | |
1493 | /*<delete in kernel start>*/ | |
1494 | #endif | |
1495 | /*<delete in kernel end>*/ | |
1496 | } | |
1497 | return 1; | |
1498 | ||
1499 | err_free: | |
1500 | return 0; | |
1501 | } | |
1502 | //EXPORT_SYMBOL(rtl_send_smps_action); | |
1503 | ||
1504 | /* because mac80211 have issues when can receive del ba | |
1505 | * so here we just make a fake del_ba if we receive a ba_req | |
1506 | * but rx_agg was opened to let mac80211 release some ba | |
1507 | * related resources, so please this del_ba for tx */ | |
1508 | struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, | |
1509 | u8 *sa, u8 *bssid, u16 tid) | |
1510 | { | |
1511 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
1512 | struct sk_buff *skb; | |
1513 | struct ieee80211_mgmt *action_frame; | |
1514 | u16 params; | |
1515 | ||
1516 | /* 27 = header + category + action + smps mode */ | |
1517 | skb = dev_alloc_skb(34 + hw->extra_tx_headroom); | |
1518 | if (!skb) | |
1519 | return NULL; | |
1520 | ||
1521 | skb_reserve(skb, hw->extra_tx_headroom); | |
1522 | action_frame = (void *)skb_put(skb, 34); | |
1523 | memset(action_frame, 0, 34); | |
1524 | memcpy(action_frame->sa, sa, ETH_ALEN); | |
1525 | memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); | |
1526 | memcpy(action_frame->bssid, bssid, ETH_ALEN); | |
1527 | action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
1528 | IEEE80211_STYPE_ACTION); | |
1529 | action_frame->u.action.category = WLAN_CATEGORY_BACK; | |
1530 | action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; | |
1531 | params = (u16)(1 << 11); /* bit 11 initiator */ | |
1532 | params |= (u16)(tid << 12); /* bit 15:12 TID number */ | |
1533 | ||
1534 | action_frame->u.action.u.delba.params = cpu_to_le16(params); | |
1535 | action_frame->u.action.u.delba.reason_code = | |
1536 | cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); | |
1537 | ||
1538 | return skb; | |
1539 | } | |
1540 | ||
1541 | /********************************************************* | |
1542 | * | |
1543 | * IOT functions | |
1544 | * | |
1545 | *********************************************************/ | |
1546 | static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, | |
1547 | struct octet_string vendor_ie) | |
1548 | { | |
1549 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1550 | bool matched = false; | |
1551 | static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; | |
1552 | static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; | |
1553 | static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; | |
1554 | static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; | |
1555 | static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; | |
1556 | static u8 racap[] = { 0x00, 0x0c, 0x43 }; | |
1557 | static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; | |
1558 | static u8 marvcap[] = { 0x00, 0x50, 0x43 }; | |
1559 | ||
1560 | if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || | |
1561 | memcmp(vendor_ie.octet, athcap_2, 3) == 0) { | |
1562 | rtlpriv->mac80211.vendor = PEER_ATH; | |
1563 | matched = true; | |
1564 | } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || | |
1565 | memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || | |
1566 | memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { | |
1567 | rtlpriv->mac80211.vendor = PEER_BROAD; | |
1568 | matched = true; | |
1569 | } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { | |
1570 | rtlpriv->mac80211.vendor = PEER_RAL; | |
1571 | matched = true; | |
1572 | } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { | |
1573 | rtlpriv->mac80211.vendor = PEER_CISCO; | |
1574 | matched = true; | |
1575 | } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { | |
1576 | rtlpriv->mac80211.vendor = PEER_MARV; | |
1577 | matched = true; | |
1578 | } | |
1579 | ||
1580 | return matched; | |
1581 | } | |
1582 | ||
1583 | bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, | |
1584 | unsigned int len) | |
1585 | { | |
1586 | struct ieee80211_mgmt *mgmt = (void *)data; | |
1587 | struct octet_string vendor_ie; | |
1588 | u8 *pos, *end; | |
1589 | ||
1590 | pos = (u8 *)mgmt->u.beacon.variable; | |
1591 | end = data + len; | |
1592 | while (pos < end) { | |
1593 | if (pos[0] == 221) { | |
1594 | vendor_ie.length = pos[1]; | |
1595 | vendor_ie.octet = &pos[2]; | |
1596 | if (rtl_chk_vendor_ouisub(hw, vendor_ie)) | |
1597 | return true; | |
1598 | } | |
1599 | ||
1600 | if (pos + 2 + pos[1] > end) | |
1601 | return false; | |
1602 | ||
1603 | pos += 2 + pos[1]; | |
1604 | } | |
1605 | return false; | |
1606 | } | |
1607 | ||
1608 | void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) | |
1609 | { | |
1610 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1611 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
1612 | struct ieee80211_hdr *hdr = (void *)data; | |
1613 | u32 vendor = PEER_UNKNOWN; | |
1614 | ||
1615 | static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; | |
1616 | static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; | |
1617 | static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; | |
1618 | static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; | |
1619 | static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; | |
1620 | static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; | |
1621 | static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; | |
1622 | static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; | |
1623 | static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; | |
1624 | static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; | |
1625 | static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; | |
1626 | static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; | |
1627 | static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; | |
1628 | static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; | |
1629 | static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; | |
1630 | static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; | |
1631 | ||
1632 | if (mac->opmode != NL80211_IFTYPE_STATION) | |
1633 | return; | |
1634 | ||
1635 | if (mac->link_state == MAC80211_NOLINK) { | |
1636 | mac->vendor = PEER_UNKNOWN; | |
1637 | return; | |
1638 | } | |
1639 | ||
1640 | if (mac->cnt_after_linked > 2) | |
1641 | return; | |
1642 | ||
1643 | /* check if this really is a beacon */ | |
1644 | if (!ieee80211_is_beacon(hdr->frame_control)) | |
1645 | return; | |
1646 | ||
1647 | /* min. beacon length + FCS_LEN */ | |
1648 | if (len <= 40 + FCS_LEN) | |
1649 | return; | |
1650 | ||
1651 | /* and only beacons from the associated BSSID, please */ | |
ee5de8dd | 1652 | if (ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) |
3c05bedb GKH |
1653 | return; |
1654 | ||
1655 | if (rtl_find_221_ie(hw, data, len)) { | |
1656 | vendor = mac->vendor; | |
1657 | } | |
1658 | ||
1659 | if ((memcmp(mac->bssid, ap5_1, 3) == 0) || | |
1660 | (memcmp(mac->bssid, ap5_2, 3) == 0) || | |
1661 | (memcmp(mac->bssid, ap5_3, 3) == 0) || | |
1662 | (memcmp(mac->bssid, ap5_4, 3) == 0) || | |
1663 | (memcmp(mac->bssid, ap5_5, 3) == 0) || | |
1664 | (memcmp(mac->bssid, ap5_6, 3) == 0) || | |
1665 | vendor == PEER_ATH) { | |
1666 | vendor = PEER_ATH; | |
1667 | RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ath find\n")); | |
1668 | } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || | |
1669 | (memcmp(mac->bssid, ap4_5, 3) == 0) || | |
1670 | (memcmp(mac->bssid, ap4_1, 3) == 0) || | |
1671 | (memcmp(mac->bssid, ap4_2, 3) == 0) || | |
1672 | (memcmp(mac->bssid, ap4_3, 3) == 0) || | |
1673 | vendor == PEER_RAL) { | |
da4d2016 | 1674 | RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ral find\n")); |
3c05bedb GKH |
1675 | vendor = PEER_RAL; |
1676 | } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || | |
1677 | vendor == PEER_CISCO) { | |
1678 | vendor = PEER_CISCO; | |
1679 | RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>cisco find\n")); | |
1680 | } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || | |
1681 | (memcmp(mac->bssid, ap3_2, 3) == 0) || | |
1682 | (memcmp(mac->bssid, ap3_3, 3) == 0) || | |
1683 | vendor == PEER_BROAD) { | |
1684 | RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>broad find\n")); | |
1685 | vendor = PEER_BROAD; | |
1686 | } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || | |
1687 | vendor == PEER_MARV) { | |
1688 | vendor = PEER_MARV; | |
1689 | RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>marv find\n")); | |
1690 | } | |
1691 | ||
1692 | mac->vendor = vendor; | |
1693 | } | |
1694 | ||
1695 | /********************************************************* | |
1696 | * | |
1697 | * sysfs functions | |
1698 | * | |
1699 | *********************************************************/ | |
1700 | static ssize_t rtl_show_debug_level(struct device *d, | |
1701 | struct device_attribute *attr, char *buf) | |
1702 | { | |
1703 | struct ieee80211_hw *hw = dev_get_drvdata(d); | |
1704 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1705 | ||
1706 | return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel); | |
1707 | } | |
1708 | ||
1709 | static ssize_t rtl_store_debug_level(struct device *d, | |
1710 | struct device_attribute *attr, | |
1711 | const char *buf, size_t count) | |
1712 | { | |
1713 | struct ieee80211_hw *hw = dev_get_drvdata(d); | |
1714 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1715 | unsigned long val; | |
1716 | int ret; | |
1717 | ||
2ec1cb76 | 1718 | ret = kstrtoul(buf, 0, &val); |
3c05bedb GKH |
1719 | if (ret) { |
1720 | printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf); | |
1721 | } else { | |
1722 | rtlpriv->dbg.global_debuglevel = val; | |
1723 | printk(KERN_DEBUG "debuglevel:%x\n", | |
1724 | rtlpriv->dbg.global_debuglevel); | |
1725 | } | |
1726 | ||
1727 | return strnlen(buf, count); | |
1728 | } | |
1729 | ||
1730 | static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, | |
1731 | rtl_show_debug_level, rtl_store_debug_level); | |
1732 | ||
1733 | static struct attribute *rtl_sysfs_entries[] = { | |
1734 | ||
1735 | &dev_attr_debug_level.attr, | |
1736 | ||
1737 | NULL | |
1738 | }; | |
1739 | ||
1740 | /* | |
1741 | * "name" is folder name witch will be | |
1742 | * put in device directory like : | |
1743 | * sys/devices/pci0000:00/0000:00:1c.4/ | |
1744 | * 0000:06:00.0/rtl_sysfs | |
1745 | */ | |
1746 | struct attribute_group rtl_attribute_group = { | |
1747 | .name = "rtlsysfs", | |
1748 | .attrs = rtl_sysfs_entries, | |
1749 | }; | |
1750 | ||
1751 | #ifdef VIF_TODO | |
1752 | /********************************************************* | |
1753 | * | |
1754 | * vif functions | |
1755 | * | |
1756 | *********************************************************/ | |
1757 | static inline struct ieee80211_vif * | |
1758 | rtl_get_vif(struct rtl_vif_info *vif_priv) | |
1759 | { | |
1760 | return container_of((void *)vif_priv, struct ieee80211_vif, drv_priv); | |
1761 | } | |
1762 | ||
1763 | /* Protected by ar->mutex or RCU */ | |
1764 | struct ieee80211_vif *rtl_get_main_vif(struct ieee80211_hw *hw) | |
1765 | { | |
1766 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1767 | struct rtl_vif_info *cvif; | |
1768 | ||
1769 | list_for_each_entry_rcu(cvif, &rtlpriv->vif_priv.vif_list, list) { | |
1770 | if (cvif->active) | |
1771 | return rtl_get_vif(cvif); | |
1772 | } | |
1773 | ||
1774 | return NULL; | |
1775 | } | |
1776 | ||
1777 | static inline bool is_main_vif(struct ieee80211_hw *hw, | |
1778 | struct ieee80211_vif *vif) | |
1779 | { | |
1780 | bool ret; | |
1781 | ||
1782 | rcu_read_lock(); | |
1783 | ret = (rtl_get_main_vif(hw) == vif); | |
1784 | rcu_read_unlock(); | |
1785 | return ret; | |
1786 | } | |
1787 | ||
1788 | bool rtl_set_vif_info(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
1789 | { | |
1790 | struct rtl_vif_info *vif_info = (void *) vif->drv_priv; | |
1791 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1792 | int vif_id = -1; | |
1793 | ||
1794 | if (rtlpriv->vif_priv.vifs >= MAX_VIRTUAL_MAC) { | |
1795 | RT_TRACE(COMP_ERR, DBG_WARNING, | |
1796 | ("vif number can not bigger than %d, now vifs is:%d\n", | |
1797 | MAX_VIRTUAL_MAC, rtlpriv->vif_priv.vifs)); | |
1798 | return false; | |
1799 | } | |
1800 | ||
1801 | rcu_read_lock(); | |
1802 | vif_id = bitmap_find_free_region(&rtlpriv->vif_priv.vif_bitmap, | |
1803 | MAX_VIRTUAL_MAC, 0); | |
1804 | RT_TRACE(COMP_MAC80211, DBG_DMESG, | |
1805 | ("%s vid_id:%d\n", __func__, vif_id)); | |
1806 | ||
1807 | if (vif_id < 0) { | |
1808 | rcu_read_unlock(); | |
1809 | return false; | |
1810 | } | |
1811 | ||
1812 | BUG_ON(rtlpriv->vif_priv.vif[vif_id].id != vif_id); | |
1813 | vif_info->active = true; | |
1814 | vif_info->id = vif_id; | |
1815 | vif_info->enable_beacon = false; | |
1816 | rtlpriv->vif_priv.vifs++; | |
1817 | if (rtlpriv->vif_priv.vifs > 1) { | |
1818 | rtlpriv->psc.b_inactiveps = false; | |
1819 | rtlpriv->psc.b_swctrl_lps = false; | |
1820 | rtlpriv->psc.b_fwctrl_lps = false; | |
1821 | } | |
1822 | ||
1823 | list_add_tail_rcu(&vif_info->list, &rtlpriv->vif_priv.vif_list); | |
1824 | rcu_assign_pointer(rtlpriv->vif_priv.vif[vif_id].vif, vif); | |
1825 | ||
1826 | RT_TRACE(COMP_MAC80211, DBG_DMESG, ("vifaddress:%p %p %p\n", | |
1827 | rtlpriv->vif_priv.vif[vif_id].vif, vif, rtl_get_main_vif(hw))); | |
1828 | ||
1829 | rcu_read_unlock(); | |
1830 | ||
1831 | return true; | |
1832 | } | |
1833 | #endif | |
1834 | ||
1835 | ||
1836 | #if 0 | |
1837 | MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); | |
1838 | MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); | |
1839 | MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); | |
1840 | MODULE_LICENSE("GPL"); | |
1841 | MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); | |
1842 | #endif | |
1843 | struct rtl_global_var global_var = {}; | |
1844 | ||
1845 | int rtl_core_module_init(void) | |
1846 | { | |
1847 | if (rtl_rate_control_register()) | |
1848 | printk(KERN_DEBUG "rtl: Unable to register rtl_rc," | |
1849 | "use default RC !!\n"); | |
1850 | ||
1851 | /* add proc for debug */ | |
1852 | rtl_proc_add_topdir(); | |
1853 | ||
1854 | /* init some global vars */ | |
1855 | INIT_LIST_HEAD(&global_var.glb_priv_list); | |
1856 | spin_lock_init(&global_var.glb_list_lock); | |
1857 | ||
1858 | return 0; | |
1859 | } | |
1860 | ||
1861 | void rtl_core_module_exit(void) | |
1862 | { | |
1863 | /*RC*/ | |
67ca1b06 | 1864 | rtl_rate_control_unregister(); |
3c05bedb GKH |
1865 | |
1866 | /* add proc for debug */ | |
1867 | rtl_proc_remove_topdir(); | |
1868 | } | |
1869 | ||
1870 | #if 0 | |
1871 | module_init(rtl_core_module_init); | |
1872 | module_exit(rtl_core_module_exit); | |
1873 | #endif |