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0c817338 LF |
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 | ||
292b1192 JP |
30 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
31 | ||
0c817338 | 32 | #include <linux/ip.h> |
9d9779e7 | 33 | #include <linux/module.h> |
0c817338 LF |
34 | #include "wifi.h" |
35 | #include "rc.h" | |
36 | #include "base.h" | |
37 | #include "efuse.h" | |
38 | #include "cam.h" | |
39 | #include "ps.h" | |
40 | #include "regd.h" | |
41 | ||
42 | /* | |
43 | *NOTICE!!!: This file will be very big, we hsould | |
44 | *keep it clear under follwing roles: | |
45 | * | |
46 | *This file include follwing part, so, if you add new | |
47 | *functions into this file, please check which part it | |
48 | *should includes. or check if you should add new part | |
49 | *for this file: | |
50 | * | |
51 | *1) mac80211 init functions | |
52 | *2) tx information functions | |
53 | *3) functions called by core.c | |
54 | *4) wq & timer callback functions | |
55 | *5) frame process functions | |
acd48572 C |
56 | *6) IOT functions |
57 | *7) sysfs functions | |
58 | *8) ... | |
0c817338 LF |
59 | */ |
60 | ||
61 | /********************************************************* | |
62 | * | |
63 | * mac80211 init functions | |
64 | * | |
65 | *********************************************************/ | |
acd48572 | 66 | static struct ieee80211_channel rtl_channeltable_2g[] = { |
0c817338 LF |
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,}, | |
81 | }; | |
82 | ||
acd48572 C |
83 | static struct ieee80211_channel rtl_channeltable_5g[] = { |
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,}, | |
108 | }; | |
109 | ||
110 | static struct ieee80211_rate rtl_ratetable_2g[] = { | |
0c817338 LF |
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,}, | |
123 | }; | |
124 | ||
acd48572 C |
125 | static struct ieee80211_rate rtl_ratetable_5g[] = { |
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,}, | |
134 | }; | |
135 | ||
0c817338 LF |
136 | static const struct ieee80211_supported_band rtl_band_2ghz = { |
137 | .band = IEEE80211_BAND_2GHZ, | |
138 | ||
acd48572 C |
139 | .channels = rtl_channeltable_2g, |
140 | .n_channels = ARRAY_SIZE(rtl_channeltable_2g), | |
0c817338 | 141 | |
acd48572 C |
142 | .bitrates = rtl_ratetable_2g, |
143 | .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g), | |
0c817338 LF |
144 | |
145 | .ht_cap = {0}, | |
146 | }; | |
147 | ||
acd48572 C |
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), | |
0c817338 | 153 | |
acd48572 C |
154 | .bitrates = rtl_ratetable_5g, |
155 | .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g), | |
0c817338 LF |
156 | |
157 | .ht_cap = {0}, | |
158 | }; | |
159 | ||
acd48572 C |
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 | ||
0c817338 LF |
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 | ||
acd48572 C |
188 | if (rtlpriv->rtlhal.disable_amsdu_8k) |
189 | ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; | |
190 | ||
0c817338 LF |
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 (get_rf_type(rtlphy) == RF_1T2R || get_rf_type(rtlphy) == RF_2T2R) { | |
213 | ||
214 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, ("1T2R or 2T2R\n")); | |
215 | ||
216 | ht_cap->mcs.rx_mask[0] = 0xFF; | |
217 | ht_cap->mcs.rx_mask[1] = 0xFF; | |
218 | ht_cap->mcs.rx_mask[4] = 0x01; | |
219 | ||
17c9ac62 | 220 | ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); |
0c817338 LF |
221 | } else if (get_rf_type(rtlphy) == RF_1T1R) { |
222 | ||
223 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, ("1T1R\n")); | |
224 | ||
225 | ht_cap->mcs.rx_mask[0] = 0xFF; | |
226 | ht_cap->mcs.rx_mask[1] = 0x00; | |
227 | ht_cap->mcs.rx_mask[4] = 0x01; | |
228 | ||
17c9ac62 | 229 | ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7); |
0c817338 LF |
230 | } |
231 | } | |
232 | ||
233 | static void _rtl_init_mac80211(struct ieee80211_hw *hw) | |
234 | { | |
acd48572 C |
235 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
236 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); | |
0c817338 LF |
237 | struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); |
238 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
239 | struct ieee80211_supported_band *sband; | |
240 | ||
0c817338 | 241 | |
acd48572 C |
242 | if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY && rtlhal->bandset == |
243 | BAND_ON_BOTH) { | |
244 | /* 1: 2.4 G bands */ | |
245 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
246 | sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]); | |
0c817338 | 247 | |
acd48572 C |
248 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ] |
249 | * to default value(1T1R) */ | |
250 | memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), &rtl_band_2ghz, | |
251 | sizeof(struct ieee80211_supported_band)); | |
0c817338 | 252 | |
acd48572 C |
253 | /* <3> init ht cap base on ant_num */ |
254 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
0c817338 | 255 | |
acd48572 C |
256 | /* <4> set mac->sband to wiphy->sband */ |
257 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; | |
0c817338 | 258 | |
acd48572 C |
259 | /* 2: 5 G bands */ |
260 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
261 | sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]); | |
262 | ||
263 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ] | |
264 | * to default value(1T1R) */ | |
265 | memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), &rtl_band_5ghz, | |
266 | sizeof(struct ieee80211_supported_band)); | |
267 | ||
268 | /* <3> init ht cap base on ant_num */ | |
269 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
270 | ||
271 | /* <4> set mac->sband to wiphy->sband */ | |
272 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband; | |
273 | } else { | |
274 | if (rtlhal->current_bandtype == BAND_ON_2_4G) { | |
275 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
276 | sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]); | |
277 | ||
278 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ] | |
279 | * to default value(1T1R) */ | |
280 | memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), | |
281 | &rtl_band_2ghz, | |
282 | sizeof(struct ieee80211_supported_band)); | |
283 | ||
284 | /* <3> init ht cap base on ant_num */ | |
285 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
286 | ||
287 | /* <4> set mac->sband to wiphy->sband */ | |
288 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; | |
289 | } else if (rtlhal->current_bandtype == BAND_ON_5G) { | |
290 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
291 | sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]); | |
292 | ||
293 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ] | |
294 | * to default value(1T1R) */ | |
295 | memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), | |
296 | &rtl_band_5ghz, | |
297 | sizeof(struct ieee80211_supported_band)); | |
298 | ||
299 | /* <3> init ht cap base on ant_num */ | |
300 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
301 | ||
302 | /* <4> set mac->sband to wiphy->sband */ | |
303 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband; | |
304 | } else { | |
305 | RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, | |
306 | ("Err BAND %d\n", | |
307 | rtlhal->current_bandtype)); | |
308 | } | |
309 | } | |
0c817338 LF |
310 | /* <5> set hw caps */ |
311 | hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
312 | IEEE80211_HW_RX_INCLUDES_FCS | | |
acd48572 C |
313 | IEEE80211_HW_BEACON_FILTER | |
314 | IEEE80211_HW_AMPDU_AGGREGATION | | |
09e92f0b CL |
315 | IEEE80211_HW_CONNECTION_MONITOR | |
316 | /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */ | |
0c817338 LF |
317 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | 0; |
318 | ||
acd48572 C |
319 | /* swlps or hwlps has been set in diff chip in init_sw_vars */ |
320 | if (rtlpriv->psc.swctrl_lps) | |
321 | hw->flags |= IEEE80211_HW_SUPPORTS_PS | | |
322 | IEEE80211_HW_PS_NULLFUNC_STACK | | |
323 | /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */ | |
324 | 0; | |
325 | ||
0c817338 | 326 | hw->wiphy->interface_modes = |
acd48572 C |
327 | BIT(NL80211_IFTYPE_AP) | |
328 | BIT(NL80211_IFTYPE_STATION) | | |
329 | BIT(NL80211_IFTYPE_ADHOC); | |
0c817338 LF |
330 | |
331 | hw->wiphy->rts_threshold = 2347; | |
332 | ||
333 | hw->queues = AC_MAX; | |
334 | hw->extra_tx_headroom = RTL_TX_HEADER_SIZE; | |
335 | ||
336 | /* TODO: Correct this value for our hw */ | |
337 | /* TODO: define these hard code value */ | |
338 | hw->channel_change_time = 100; | |
acd48572 | 339 | hw->max_listen_interval = 10; |
0c817338 LF |
340 | hw->max_rate_tries = 4; |
341 | /* hw->max_rates = 1; */ | |
acd48572 | 342 | hw->sta_data_size = sizeof(struct rtl_sta_info); |
0c817338 LF |
343 | |
344 | /* <6> mac address */ | |
345 | if (is_valid_ether_addr(rtlefuse->dev_addr)) { | |
346 | SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr); | |
347 | } else { | |
348 | u8 rtlmac[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; | |
349 | get_random_bytes((rtlmac + (ETH_ALEN - 1)), 1); | |
350 | SET_IEEE80211_PERM_ADDR(hw, rtlmac); | |
351 | } | |
352 | ||
353 | } | |
354 | ||
355 | static void _rtl_init_deferred_work(struct ieee80211_hw *hw) | |
356 | { | |
357 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
358 | ||
359 | /* <1> timer */ | |
360 | init_timer(&rtlpriv->works.watchdog_timer); | |
361 | setup_timer(&rtlpriv->works.watchdog_timer, | |
362 | rtl_watch_dog_timer_callback, (unsigned long)hw); | |
363 | ||
364 | /* <2> work queue */ | |
365 | rtlpriv->works.hw = hw; | |
3d986b25 | 366 | rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0); |
0c817338 LF |
367 | INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, |
368 | (void *)rtl_watchdog_wq_callback); | |
369 | INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, | |
370 | (void *)rtl_ips_nic_off_wq_callback); | |
acd48572 C |
371 | INIT_DELAYED_WORK(&rtlpriv->works.ps_work, |
372 | (void *)rtl_swlps_wq_callback); | |
373 | INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, | |
374 | (void *)rtl_swlps_rfon_wq_callback); | |
0c817338 LF |
375 | |
376 | } | |
377 | ||
378 | void rtl_deinit_deferred_work(struct ieee80211_hw *hw) | |
379 | { | |
380 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
381 | ||
382 | del_timer_sync(&rtlpriv->works.watchdog_timer); | |
383 | ||
384 | cancel_delayed_work(&rtlpriv->works.watchdog_wq); | |
385 | cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); | |
acd48572 C |
386 | cancel_delayed_work(&rtlpriv->works.ps_work); |
387 | cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); | |
0c817338 LF |
388 | } |
389 | ||
390 | void rtl_init_rfkill(struct ieee80211_hw *hw) | |
391 | { | |
392 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
393 | ||
394 | bool radio_state; | |
395 | bool blocked; | |
396 | u8 valid = 0; | |
397 | ||
228bdfca CL |
398 | /*set init state to on */ |
399 | rtlpriv->rfkill.rfkill_state = 1; | |
400 | wiphy_rfkill_set_hw_state(hw->wiphy, 0); | |
0c817338 | 401 | |
228bdfca | 402 | radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); |
0c817338 | 403 | |
e6d8a817 | 404 | if (valid) { |
292b1192 JP |
405 | pr_info("wireless switch is %s\n", |
406 | rtlpriv->rfkill.rfkill_state ? "on" : "off"); | |
228bdfca | 407 | |
0c817338 LF |
408 | rtlpriv->rfkill.rfkill_state = radio_state; |
409 | ||
410 | blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; | |
411 | wiphy_rfkill_set_hw_state(hw->wiphy, blocked); | |
412 | } | |
413 | ||
414 | wiphy_rfkill_start_polling(hw->wiphy); | |
415 | } | |
416 | ||
417 | void rtl_deinit_rfkill(struct ieee80211_hw *hw) | |
418 | { | |
419 | wiphy_rfkill_stop_polling(hw->wiphy); | |
420 | } | |
421 | ||
422 | int rtl_init_core(struct ieee80211_hw *hw) | |
423 | { | |
424 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
425 | struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); | |
426 | ||
427 | /* <1> init mac80211 */ | |
428 | _rtl_init_mac80211(hw); | |
429 | rtlmac->hw = hw; | |
430 | ||
431 | /* <2> rate control register */ | |
375ff4c7 | 432 | hw->rate_control_algorithm = "rtl_rc"; |
0c817338 LF |
433 | |
434 | /* | |
435 | * <3> init CRDA must come after init | |
436 | * mac80211 hw in _rtl_init_mac80211. | |
437 | */ | |
438 | if (rtl_regd_init(hw, rtl_reg_notifier)) { | |
439 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, ("REGD init failed\n")); | |
440 | return 1; | |
441 | } else { | |
442 | /* CRDA regd hint must after init CRDA */ | |
443 | if (regulatory_hint(hw->wiphy, rtlpriv->regd.alpha2)) { | |
444 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
445 | ("regulatory_hint fail\n")); | |
446 | } | |
447 | } | |
448 | ||
449 | /* <4> locks */ | |
8a09d6d8 | 450 | mutex_init(&rtlpriv->locks.conf_mutex); |
d704300f | 451 | spin_lock_init(&rtlpriv->locks.ips_lock); |
0c817338 LF |
452 | spin_lock_init(&rtlpriv->locks.irq_th_lock); |
453 | spin_lock_init(&rtlpriv->locks.h2c_lock); | |
454 | spin_lock_init(&rtlpriv->locks.rf_ps_lock); | |
455 | spin_lock_init(&rtlpriv->locks.rf_lock); | |
456 | spin_lock_init(&rtlpriv->locks.lps_lock); | |
acd48572 C |
457 | spin_lock_init(&rtlpriv->locks.waitq_lock); |
458 | spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); | |
0c817338 LF |
459 | |
460 | rtlmac->link_state = MAC80211_NOLINK; | |
461 | ||
462 | /* <5> init deferred work */ | |
463 | _rtl_init_deferred_work(hw); | |
464 | ||
465 | return 0; | |
466 | } | |
467 | ||
468 | void rtl_deinit_core(struct ieee80211_hw *hw) | |
469 | { | |
0c817338 LF |
470 | } |
471 | ||
472 | void rtl_init_rx_config(struct ieee80211_hw *hw) | |
473 | { | |
474 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
475 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
476 | ||
477 | rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); | |
0c817338 LF |
478 | } |
479 | ||
480 | /********************************************************* | |
481 | * | |
482 | * tx information functions | |
483 | * | |
484 | *********************************************************/ | |
485 | static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, | |
486 | struct rtl_tcb_desc *tcb_desc, | |
487 | struct ieee80211_tx_info *info) | |
488 | { | |
489 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
490 | u8 rate_flag = info->control.rates[0].flags; | |
491 | ||
492 | tcb_desc->use_shortpreamble = false; | |
493 | ||
494 | /* 1M can only use Long Preamble. 11B spec */ | |
495 | if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) | |
496 | return; | |
497 | else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) | |
498 | tcb_desc->use_shortpreamble = true; | |
499 | ||
500 | return; | |
501 | } | |
502 | ||
503 | static void _rtl_query_shortgi(struct ieee80211_hw *hw, | |
acd48572 | 504 | struct ieee80211_sta *sta, |
0c817338 LF |
505 | struct rtl_tcb_desc *tcb_desc, |
506 | struct ieee80211_tx_info *info) | |
507 | { | |
508 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
509 | u8 rate_flag = info->control.rates[0].flags; | |
acd48572 | 510 | u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; |
0c817338 LF |
511 | tcb_desc->use_shortgi = false; |
512 | ||
acd48572 | 513 | if (sta == NULL) |
0c817338 LF |
514 | return; |
515 | ||
acd48572 C |
516 | sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; |
517 | sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; | |
518 | ||
519 | if (!(sta->ht_cap.ht_supported)) | |
0c817338 LF |
520 | return; |
521 | ||
acd48572 | 522 | if (!sgi_40 && !sgi_20) |
0c817338 LF |
523 | return; |
524 | ||
acd48572 C |
525 | if (mac->opmode == NL80211_IFTYPE_STATION) |
526 | bw_40 = mac->bw_40; | |
527 | else if (mac->opmode == NL80211_IFTYPE_AP || | |
528 | mac->opmode == NL80211_IFTYPE_ADHOC) | |
529 | bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
530 | ||
e10542c4 | 531 | if (bw_40 && sgi_40) |
0c817338 | 532 | tcb_desc->use_shortgi = true; |
acd48572 | 533 | else if ((bw_40 == false) && sgi_20) |
0c817338 LF |
534 | tcb_desc->use_shortgi = true; |
535 | ||
536 | if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) | |
537 | tcb_desc->use_shortgi = false; | |
0c817338 LF |
538 | } |
539 | ||
540 | static void _rtl_query_protection_mode(struct ieee80211_hw *hw, | |
541 | struct rtl_tcb_desc *tcb_desc, | |
542 | struct ieee80211_tx_info *info) | |
543 | { | |
544 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
545 | u8 rate_flag = info->control.rates[0].flags; | |
546 | ||
547 | /* Common Settings */ | |
7ea47240 LF |
548 | tcb_desc->rts_stbc = false; |
549 | tcb_desc->cts_enable = false; | |
0c817338 | 550 | tcb_desc->rts_sc = 0; |
7ea47240 LF |
551 | tcb_desc->rts_bw = false; |
552 | tcb_desc->rts_use_shortpreamble = false; | |
553 | tcb_desc->rts_use_shortgi = false; | |
0c817338 LF |
554 | |
555 | if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { | |
556 | /* Use CTS-to-SELF in protection mode. */ | |
7ea47240 LF |
557 | tcb_desc->rts_enable = true; |
558 | tcb_desc->cts_enable = true; | |
0c817338 LF |
559 | tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; |
560 | } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { | |
561 | /* Use RTS-CTS in protection mode. */ | |
7ea47240 | 562 | tcb_desc->rts_enable = true; |
0c817338 LF |
563 | tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; |
564 | } | |
0c817338 LF |
565 | } |
566 | ||
567 | static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, | |
acd48572 | 568 | struct ieee80211_sta *sta, |
0c817338 LF |
569 | struct rtl_tcb_desc *tcb_desc) |
570 | { | |
571 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
572 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
acd48572 C |
573 | struct rtl_sta_info *sta_entry = NULL; |
574 | u8 ratr_index = 7; | |
0c817338 | 575 | |
acd48572 C |
576 | if (sta) { |
577 | sta_entry = (struct rtl_sta_info *) sta->drv_priv; | |
578 | ratr_index = sta_entry->ratr_index; | |
579 | } | |
0c817338 | 580 | if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { |
acd48572 | 581 | if (mac->opmode == NL80211_IFTYPE_STATION) { |
0c817338 | 582 | tcb_desc->ratr_index = 0; |
acd48572 | 583 | } else if (mac->opmode == NL80211_IFTYPE_ADHOC) { |
7ea47240 | 584 | if (tcb_desc->multicast || tcb_desc->broadcast) { |
0c817338 LF |
585 | tcb_desc->hw_rate = |
586 | rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; | |
587 | tcb_desc->use_driver_rate = 1; | |
588 | } else { | |
589 | /* TODO */ | |
590 | } | |
acd48572 C |
591 | tcb_desc->ratr_index = ratr_index; |
592 | } else if (mac->opmode == NL80211_IFTYPE_AP) { | |
593 | tcb_desc->ratr_index = ratr_index; | |
0c817338 LF |
594 | } |
595 | } | |
596 | ||
7ea47240 | 597 | if (rtlpriv->dm.useramask) { |
acd48572 C |
598 | /* TODO we will differentiate adhoc and station futrue */ |
599 | if (mac->opmode == NL80211_IFTYPE_STATION) { | |
600 | tcb_desc->mac_id = 0; | |
601 | ||
602 | if (mac->mode == WIRELESS_MODE_N_24G) | |
603 | tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB; | |
604 | else if (mac->mode == WIRELESS_MODE_N_5G) | |
605 | tcb_desc->ratr_index = RATR_INX_WIRELESS_NG; | |
606 | else if (mac->mode & WIRELESS_MODE_G) | |
607 | tcb_desc->ratr_index = RATR_INX_WIRELESS_GB; | |
608 | else if (mac->mode & WIRELESS_MODE_B) | |
609 | tcb_desc->ratr_index = RATR_INX_WIRELESS_B; | |
610 | else if (mac->mode & WIRELESS_MODE_A) | |
611 | tcb_desc->ratr_index = RATR_INX_WIRELESS_G; | |
612 | } else if (mac->opmode == NL80211_IFTYPE_AP || | |
613 | mac->opmode == NL80211_IFTYPE_ADHOC) { | |
614 | if (NULL != sta) { | |
615 | if (sta->aid > 0) | |
616 | tcb_desc->mac_id = sta->aid + 1; | |
617 | else | |
618 | tcb_desc->mac_id = 1; | |
619 | } else { | |
620 | tcb_desc->mac_id = 0; | |
621 | } | |
0c817338 LF |
622 | } |
623 | } | |
624 | ||
625 | } | |
626 | ||
627 | static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, | |
acd48572 | 628 | struct ieee80211_sta *sta, |
0c817338 LF |
629 | struct rtl_tcb_desc *tcb_desc) |
630 | { | |
631 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
632 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
633 | ||
7ea47240 | 634 | tcb_desc->packet_bw = false; |
acd48572 | 635 | if (!sta) |
0c817338 | 636 | return; |
acd48572 C |
637 | if (mac->opmode == NL80211_IFTYPE_AP || |
638 | mac->opmode == NL80211_IFTYPE_ADHOC) { | |
639 | if (!(sta->ht_cap.ht_supported) || | |
640 | !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) | |
641 | return; | |
642 | } else if (mac->opmode == NL80211_IFTYPE_STATION) { | |
643 | if (!mac->bw_40 || !(sta->ht_cap.ht_supported)) | |
644 | return; | |
645 | } | |
7ea47240 | 646 | if (tcb_desc->multicast || tcb_desc->broadcast) |
0c817338 LF |
647 | return; |
648 | ||
649 | /*use legency rate, shall use 20MHz */ | |
650 | if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) | |
651 | return; | |
652 | ||
7ea47240 | 653 | tcb_desc->packet_bw = true; |
0c817338 LF |
654 | } |
655 | ||
656 | static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw) | |
657 | { | |
658 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
659 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
660 | u8 hw_rate; | |
661 | ||
662 | if (get_rf_type(rtlphy) == RF_2T2R) | |
663 | hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; | |
664 | else | |
665 | hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; | |
666 | ||
667 | return hw_rate; | |
668 | } | |
669 | ||
7ad0ce35 LF |
670 | /* mac80211's rate_idx is like this: |
671 | * | |
672 | * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ | |
673 | * | |
674 | * B/G rate: | |
675 | * (rx_status->flag & RX_FLAG_HT) = 0, | |
676 | * DESC92_RATE1M-->DESC92_RATE54M ==> idx is 0-->11, | |
677 | * | |
678 | * N rate: | |
679 | * (rx_status->flag & RX_FLAG_HT) = 1, | |
680 | * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 | |
681 | * | |
682 | * 5G band:rx_status->band == IEEE80211_BAND_5GHZ | |
683 | * A rate: | |
684 | * (rx_status->flag & RX_FLAG_HT) = 0, | |
685 | * DESC92_RATE6M-->DESC92_RATE54M ==> idx is 0-->7, | |
686 | * | |
687 | * N rate: | |
688 | * (rx_status->flag & RX_FLAG_HT) = 1, | |
689 | * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 | |
690 | */ | |
691 | int rtlwifi_rate_mapping(struct ieee80211_hw *hw, | |
692 | bool isht, u8 desc_rate, bool first_ampdu) | |
693 | { | |
694 | int rate_idx; | |
695 | ||
696 | if (false == isht) { | |
697 | if (IEEE80211_BAND_2GHZ == hw->conf.channel->band) { | |
698 | switch (desc_rate) { | |
699 | case DESC92_RATE1M: | |
700 | rate_idx = 0; | |
701 | break; | |
702 | case DESC92_RATE2M: | |
703 | rate_idx = 1; | |
704 | break; | |
705 | case DESC92_RATE5_5M: | |
706 | rate_idx = 2; | |
707 | break; | |
708 | case DESC92_RATE11M: | |
709 | rate_idx = 3; | |
710 | break; | |
711 | case DESC92_RATE6M: | |
712 | rate_idx = 4; | |
713 | break; | |
714 | case DESC92_RATE9M: | |
715 | rate_idx = 5; | |
716 | break; | |
717 | case DESC92_RATE12M: | |
718 | rate_idx = 6; | |
719 | break; | |
720 | case DESC92_RATE18M: | |
721 | rate_idx = 7; | |
722 | break; | |
723 | case DESC92_RATE24M: | |
724 | rate_idx = 8; | |
725 | break; | |
726 | case DESC92_RATE36M: | |
727 | rate_idx = 9; | |
728 | break; | |
729 | case DESC92_RATE48M: | |
730 | rate_idx = 10; | |
731 | break; | |
732 | case DESC92_RATE54M: | |
733 | rate_idx = 11; | |
734 | break; | |
735 | default: | |
736 | rate_idx = 0; | |
737 | break; | |
738 | } | |
739 | } else { | |
740 | switch (desc_rate) { | |
741 | case DESC92_RATE6M: | |
742 | rate_idx = 0; | |
743 | break; | |
744 | case DESC92_RATE9M: | |
745 | rate_idx = 1; | |
746 | break; | |
747 | case DESC92_RATE12M: | |
748 | rate_idx = 2; | |
749 | break; | |
750 | case DESC92_RATE18M: | |
751 | rate_idx = 3; | |
752 | break; | |
753 | case DESC92_RATE24M: | |
754 | rate_idx = 4; | |
755 | break; | |
756 | case DESC92_RATE36M: | |
757 | rate_idx = 5; | |
758 | break; | |
759 | case DESC92_RATE48M: | |
760 | rate_idx = 6; | |
761 | break; | |
762 | case DESC92_RATE54M: | |
763 | rate_idx = 7; | |
764 | break; | |
765 | default: | |
766 | rate_idx = 0; | |
767 | break; | |
768 | } | |
769 | } | |
770 | ||
771 | } else { | |
772 | ||
773 | switch (desc_rate) { | |
774 | case DESC92_RATEMCS0: | |
775 | rate_idx = 0; | |
776 | break; | |
777 | case DESC92_RATEMCS1: | |
778 | rate_idx = 1; | |
779 | break; | |
780 | case DESC92_RATEMCS2: | |
781 | rate_idx = 2; | |
782 | break; | |
783 | case DESC92_RATEMCS3: | |
784 | rate_idx = 3; | |
785 | break; | |
786 | case DESC92_RATEMCS4: | |
787 | rate_idx = 4; | |
788 | break; | |
789 | case DESC92_RATEMCS5: | |
790 | rate_idx = 5; | |
791 | break; | |
792 | case DESC92_RATEMCS6: | |
793 | rate_idx = 6; | |
794 | break; | |
795 | case DESC92_RATEMCS7: | |
796 | rate_idx = 7; | |
797 | break; | |
798 | case DESC92_RATEMCS8: | |
799 | rate_idx = 8; | |
800 | break; | |
801 | case DESC92_RATEMCS9: | |
802 | rate_idx = 9; | |
803 | break; | |
804 | case DESC92_RATEMCS10: | |
805 | rate_idx = 10; | |
806 | break; | |
807 | case DESC92_RATEMCS11: | |
808 | rate_idx = 11; | |
809 | break; | |
810 | case DESC92_RATEMCS12: | |
811 | rate_idx = 12; | |
812 | break; | |
813 | case DESC92_RATEMCS13: | |
814 | rate_idx = 13; | |
815 | break; | |
816 | case DESC92_RATEMCS14: | |
817 | rate_idx = 14; | |
818 | break; | |
819 | case DESC92_RATEMCS15: | |
820 | rate_idx = 15; | |
821 | break; | |
822 | default: | |
823 | rate_idx = 0; | |
824 | break; | |
825 | } | |
826 | } | |
827 | return rate_idx; | |
828 | } | |
829 | EXPORT_SYMBOL(rtlwifi_rate_mapping); | |
830 | ||
0c817338 LF |
831 | void rtl_get_tcb_desc(struct ieee80211_hw *hw, |
832 | struct ieee80211_tx_info *info, | |
acd48572 | 833 | struct ieee80211_sta *sta, |
0c817338 LF |
834 | struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) |
835 | { | |
836 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
837 | struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); | |
acd48572 | 838 | struct ieee80211_hdr *hdr = rtl_get_hdr(skb); |
0c817338 | 839 | struct ieee80211_rate *txrate; |
17c9ac62 | 840 | __le16 fc = hdr->frame_control; |
0c817338 | 841 | |
acd48572 C |
842 | txrate = ieee80211_get_tx_rate(hw, info); |
843 | tcb_desc->hw_rate = txrate->hw_value; | |
0c817338 LF |
844 | |
845 | if (ieee80211_is_data(fc)) { | |
0c817338 | 846 | /* |
acd48572 | 847 | *we set data rate INX 0 |
0c817338 LF |
848 | *in rtl_rc.c if skb is special data or |
849 | *mgt which need low data rate. | |
850 | */ | |
851 | ||
852 | /* | |
853 | *So tcb_desc->hw_rate is just used for | |
854 | *special data and mgt frames | |
855 | */ | |
09e92f0b | 856 | if (info->control.rates[0].idx == 0 || |
acd48572 | 857 | ieee80211_is_nullfunc(fc)) { |
0c817338 | 858 | tcb_desc->use_driver_rate = true; |
acd48572 | 859 | tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; |
0c817338 | 860 | |
0c817338 LF |
861 | tcb_desc->disable_ratefallback = 1; |
862 | } else { | |
863 | /* | |
864 | *because hw will nerver use hw_rate | |
865 | *when tcb_desc->use_driver_rate = false | |
866 | *so we never set highest N rate here, | |
25985edc | 867 | *and N rate will all be controlled by FW |
0c817338 LF |
868 | *when tcb_desc->use_driver_rate = false |
869 | */ | |
acd48572 | 870 | if (sta && (sta->ht_cap.ht_supported)) { |
0c817338 LF |
871 | tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw); |
872 | } else { | |
873 | if (rtlmac->mode == WIRELESS_MODE_B) { | |
874 | tcb_desc->hw_rate = | |
875 | rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; | |
876 | } else { | |
877 | tcb_desc->hw_rate = | |
878 | rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; | |
879 | } | |
880 | } | |
881 | } | |
882 | ||
883 | if (is_multicast_ether_addr(ieee80211_get_DA(hdr))) | |
7ea47240 | 884 | tcb_desc->multicast = 1; |
0c817338 | 885 | else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr))) |
7ea47240 | 886 | tcb_desc->broadcast = 1; |
0c817338 | 887 | |
acd48572 C |
888 | _rtl_txrate_selectmode(hw, sta, tcb_desc); |
889 | _rtl_query_bandwidth_mode(hw, sta, tcb_desc); | |
0c817338 | 890 | _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); |
acd48572 | 891 | _rtl_query_shortgi(hw, sta, tcb_desc, info); |
0c817338 LF |
892 | _rtl_query_protection_mode(hw, tcb_desc, info); |
893 | } else { | |
894 | tcb_desc->use_driver_rate = true; | |
acd48572 | 895 | tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; |
0c817338 LF |
896 | tcb_desc->disable_ratefallback = 1; |
897 | tcb_desc->mac_id = 0; | |
acd48572 | 898 | tcb_desc->packet_bw = false; |
0c817338 LF |
899 | } |
900 | } | |
901 | EXPORT_SYMBOL(rtl_get_tcb_desc); | |
902 | ||
0c817338 LF |
903 | bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) |
904 | { | |
905 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
acd48572 | 906 | struct ieee80211_hdr *hdr = rtl_get_hdr(skb); |
0c817338 | 907 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
17c9ac62 | 908 | __le16 fc = hdr->frame_control; |
0c817338 LF |
909 | u8 *act = (u8 *) (((u8 *) skb->data + MAC80211_3ADDR_LEN)); |
910 | u8 category; | |
911 | ||
912 | if (!ieee80211_is_action(fc)) | |
913 | return true; | |
914 | ||
915 | category = *act; | |
916 | act++; | |
917 | switch (category) { | |
918 | case ACT_CAT_BA: | |
919 | switch (*act) { | |
920 | case ACT_ADDBAREQ: | |
921 | if (mac->act_scanning) | |
922 | return false; | |
923 | ||
924 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, | |
1d15b5f2 AS |
925 | ("%s ACT_ADDBAREQ From :%pM\n", |
926 | is_tx ? "Tx" : "Rx", hdr->addr2)); | |
0c817338 LF |
927 | break; |
928 | case ACT_ADDBARSP: | |
929 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, | |
1d15b5f2 AS |
930 | ("%s ACT_ADDBARSP From :%pM\n", |
931 | is_tx ? "Tx" : "Rx", hdr->addr2)); | |
0c817338 LF |
932 | break; |
933 | case ACT_DELBA: | |
934 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, | |
1d15b5f2 | 935 | ("ACT_ADDBADEL From :%pM\n", hdr->addr2)); |
0c817338 LF |
936 | break; |
937 | } | |
938 | break; | |
939 | default: | |
940 | break; | |
941 | } | |
942 | ||
943 | return true; | |
944 | } | |
945 | ||
946 | /*should call before software enc*/ | |
947 | u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) | |
948 | { | |
949 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
0c817338 | 950 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
acd48572 | 951 | __le16 fc = rtl_get_fc(skb); |
0c817338 LF |
952 | u16 ether_type; |
953 | u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); | |
954 | const struct iphdr *ip; | |
955 | ||
956 | if (!ieee80211_is_data(fc)) | |
32473284 | 957 | return false; |
0c817338 | 958 | |
0c817338 LF |
959 | |
960 | ip = (struct iphdr *)((u8 *) skb->data + mac_hdr_len + | |
961 | SNAP_SIZE + PROTOC_TYPE_SIZE); | |
962 | ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE); | |
d3bb1429 | 963 | /* ether_type = ntohs(ether_type); */ |
0c817338 LF |
964 | |
965 | if (ETH_P_IP == ether_type) { | |
966 | if (IPPROTO_UDP == ip->protocol) { | |
967 | struct udphdr *udp = (struct udphdr *)((u8 *) ip + | |
968 | (ip->ihl << 2)); | |
969 | if (((((u8 *) udp)[1] == 68) && | |
970 | (((u8 *) udp)[3] == 67)) || | |
971 | ((((u8 *) udp)[1] == 67) && | |
972 | (((u8 *) udp)[3] == 68))) { | |
973 | /* | |
974 | * 68 : UDP BOOTP client | |
975 | * 67 : UDP BOOTP server | |
976 | */ | |
977 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), | |
978 | DBG_DMESG, ("dhcp %s !!\n", | |
979 | (is_tx) ? "Tx" : "Rx")); | |
980 | ||
981 | if (is_tx) { | |
982 | rtl_lps_leave(hw); | |
983 | ppsc->last_delaylps_stamp_jiffies = | |
984 | jiffies; | |
985 | } | |
986 | ||
987 | return true; | |
988 | } | |
989 | } | |
990 | } else if (ETH_P_ARP == ether_type) { | |
991 | if (is_tx) { | |
992 | rtl_lps_leave(hw); | |
993 | ppsc->last_delaylps_stamp_jiffies = jiffies; | |
994 | } | |
995 | ||
996 | return true; | |
997 | } else if (ETH_P_PAE == ether_type) { | |
998 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, | |
999 | ("802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx")); | |
1000 | ||
1001 | if (is_tx) { | |
1002 | rtl_lps_leave(hw); | |
1003 | ppsc->last_delaylps_stamp_jiffies = jiffies; | |
1004 | } | |
1005 | ||
1006 | return true; | |
17c9ac62 LF |
1007 | } else if (ETH_P_IPV6 == ether_type) { |
1008 | /* IPv6 */ | |
0c817338 LF |
1009 | return true; |
1010 | } | |
1011 | ||
0c817338 LF |
1012 | return false; |
1013 | } | |
1014 | ||
1015 | /********************************************************* | |
1016 | * | |
1017 | * functions called by core.c | |
1018 | * | |
1019 | *********************************************************/ | |
acd48572 C |
1020 | int rtl_tx_agg_start(struct ieee80211_hw *hw, |
1021 | struct ieee80211_sta *sta, u16 tid, u16 *ssn) | |
0c817338 LF |
1022 | { |
1023 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1024 | struct rtl_tid_data *tid_data; | |
1025 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
acd48572 | 1026 | struct rtl_sta_info *sta_entry = NULL; |
0c817338 | 1027 | |
acd48572 C |
1028 | if (sta == NULL) |
1029 | return -EINVAL; | |
0c817338 LF |
1030 | |
1031 | if (unlikely(tid >= MAX_TID_COUNT)) | |
1032 | return -EINVAL; | |
1033 | ||
acd48572 C |
1034 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
1035 | if (!sta_entry) | |
0c817338 | 1036 | return -ENXIO; |
acd48572 | 1037 | tid_data = &sta_entry->tids[tid]; |
0c817338 LF |
1038 | |
1039 | RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, | |
acd48572 C |
1040 | ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid, |
1041 | tid_data->seq_number)); | |
0c817338 | 1042 | |
acd48572 C |
1043 | *ssn = tid_data->seq_number; |
1044 | tid_data->agg.agg_state = RTL_AGG_START; | |
0c817338 | 1045 | |
acd48572 | 1046 | ieee80211_start_tx_ba_cb_irqsafe(mac->vif, sta->addr, tid); |
0c817338 LF |
1047 | |
1048 | return 0; | |
1049 | } | |
1050 | ||
acd48572 C |
1051 | int rtl_tx_agg_stop(struct ieee80211_hw *hw, |
1052 | struct ieee80211_sta *sta, u16 tid) | |
0c817338 | 1053 | { |
0c817338 LF |
1054 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
1055 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
acd48572 | 1056 | struct rtl_sta_info *sta_entry = NULL; |
0c817338 | 1057 | |
acd48572 C |
1058 | if (sta == NULL) |
1059 | return -EINVAL; | |
0c817338 | 1060 | |
acd48572 | 1061 | if (!sta->addr) { |
0c817338 LF |
1062 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, ("ra = NULL\n")); |
1063 | return -EINVAL; | |
1064 | } | |
1065 | ||
acd48572 C |
1066 | RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, |
1067 | ("on ra = %pM tid = %d\n", sta->addr, tid)); | |
1068 | ||
0c817338 LF |
1069 | if (unlikely(tid >= MAX_TID_COUNT)) |
1070 | return -EINVAL; | |
1071 | ||
acd48572 | 1072 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
acd48572 | 1073 | sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; |
0c817338 | 1074 | |
acd48572 | 1075 | ieee80211_stop_tx_ba_cb_irqsafe(mac->vif, sta->addr, tid); |
0c817338 | 1076 | |
acd48572 C |
1077 | return 0; |
1078 | } | |
1079 | ||
1080 | int rtl_tx_agg_oper(struct ieee80211_hw *hw, | |
1081 | struct ieee80211_sta *sta, u16 tid) | |
1082 | { | |
1083 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
acd48572 | 1084 | struct rtl_sta_info *sta_entry = NULL; |
0c817338 | 1085 | |
acd48572 C |
1086 | if (sta == NULL) |
1087 | return -EINVAL; | |
1088 | ||
1089 | if (!sta->addr) { | |
1090 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, ("ra = NULL\n")); | |
1091 | return -EINVAL; | |
1092 | } | |
0c817338 | 1093 | |
acd48572 C |
1094 | RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, |
1095 | ("on ra = %pM tid = %d\n", sta->addr, tid)); | |
0c817338 | 1096 | |
acd48572 C |
1097 | if (unlikely(tid >= MAX_TID_COUNT)) |
1098 | return -EINVAL; | |
0c817338 | 1099 | |
acd48572 | 1100 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
acd48572 | 1101 | sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; |
0c817338 LF |
1102 | |
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | /********************************************************* | |
1107 | * | |
1108 | * wq & timer callback functions | |
1109 | * | |
1110 | *********************************************************/ | |
1111 | void rtl_watchdog_wq_callback(void *data) | |
1112 | { | |
1113 | struct rtl_works *rtlworks = container_of_dwork_rtl(data, | |
1114 | struct rtl_works, | |
1115 | watchdog_wq); | |
1116 | struct ieee80211_hw *hw = rtlworks->hw; | |
1117 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1118 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
1119 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
7ea47240 LF |
1120 | bool busytraffic = false; |
1121 | bool higher_busytraffic = false; | |
1122 | bool higher_busyrxtraffic = false; | |
acd48572 | 1123 | u8 idx, tid; |
0c817338 LF |
1124 | u32 rx_cnt_inp4eriod = 0; |
1125 | u32 tx_cnt_inp4eriod = 0; | |
1126 | u32 aver_rx_cnt_inperiod = 0; | |
1127 | u32 aver_tx_cnt_inperiod = 0; | |
acd48572 C |
1128 | u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; |
1129 | u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; | |
7ea47240 | 1130 | bool enter_ps = false; |
0c817338 LF |
1131 | |
1132 | if (is_hal_stop(rtlhal)) | |
1133 | return; | |
1134 | ||
1135 | /* <1> Determine if action frame is allowed */ | |
1136 | if (mac->link_state > MAC80211_NOLINK) { | |
1137 | if (mac->cnt_after_linked < 20) | |
1138 | mac->cnt_after_linked++; | |
1139 | } else { | |
1140 | mac->cnt_after_linked = 0; | |
1141 | } | |
1142 | ||
0c817338 | 1143 | /* |
09e92f0b | 1144 | *<2> to check if traffic busy, if |
0c817338 LF |
1145 | * busytraffic we don't change channel |
1146 | */ | |
1147 | if (mac->link_state >= MAC80211_LINKED) { | |
1148 | ||
1149 | /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ | |
1150 | for (idx = 0; idx <= 2; idx++) { | |
1151 | rtlpriv->link_info.num_rx_in4period[idx] = | |
1152 | rtlpriv->link_info.num_rx_in4period[idx + 1]; | |
1153 | rtlpriv->link_info.num_tx_in4period[idx] = | |
1154 | rtlpriv->link_info.num_tx_in4period[idx + 1]; | |
1155 | } | |
1156 | rtlpriv->link_info.num_rx_in4period[3] = | |
1157 | rtlpriv->link_info.num_rx_inperiod; | |
1158 | rtlpriv->link_info.num_tx_in4period[3] = | |
1159 | rtlpriv->link_info.num_tx_inperiod; | |
1160 | for (idx = 0; idx <= 3; idx++) { | |
1161 | rx_cnt_inp4eriod += | |
1162 | rtlpriv->link_info.num_rx_in4period[idx]; | |
1163 | tx_cnt_inp4eriod += | |
1164 | rtlpriv->link_info.num_tx_in4period[idx]; | |
1165 | } | |
1166 | aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; | |
1167 | aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; | |
1168 | ||
1169 | /* (2) check traffic busy */ | |
1170 | if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) | |
7ea47240 | 1171 | busytraffic = true; |
0c817338 LF |
1172 | |
1173 | /* Higher Tx/Rx data. */ | |
1174 | if (aver_rx_cnt_inperiod > 4000 || | |
1175 | aver_tx_cnt_inperiod > 4000) { | |
7ea47240 | 1176 | higher_busytraffic = true; |
0c817338 LF |
1177 | |
1178 | /* Extremely high Rx data. */ | |
1179 | if (aver_rx_cnt_inperiod > 5000) | |
7ea47240 | 1180 | higher_busyrxtraffic = true; |
acd48572 C |
1181 | } |
1182 | ||
1183 | /* check every tid's tx traffic */ | |
1184 | for (tid = 0; tid <= 7; tid++) { | |
1185 | for (idx = 0; idx <= 2; idx++) | |
1186 | rtlpriv->link_info.tidtx_in4period[tid][idx] = | |
1187 | rtlpriv->link_info.tidtx_in4period[tid] | |
1188 | [idx + 1]; | |
1189 | rtlpriv->link_info.tidtx_in4period[tid][3] = | |
1190 | rtlpriv->link_info.tidtx_inperiod[tid]; | |
1191 | ||
1192 | for (idx = 0; idx <= 3; idx++) | |
1193 | tidtx_inp4eriod[tid] += | |
1194 | rtlpriv->link_info.tidtx_in4period[tid][idx]; | |
1195 | aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; | |
1196 | if (aver_tidtx_inperiod[tid] > 5000) | |
1197 | rtlpriv->link_info.higher_busytxtraffic[tid] = | |
1198 | true; | |
0c817338 | 1199 | else |
acd48572 C |
1200 | rtlpriv->link_info.higher_busytxtraffic[tid] = |
1201 | false; | |
0c817338 LF |
1202 | } |
1203 | ||
1204 | if (((rtlpriv->link_info.num_rx_inperiod + | |
1205 | rtlpriv->link_info.num_tx_inperiod) > 8) || | |
1206 | (rtlpriv->link_info.num_rx_inperiod > 2)) | |
7ea47240 | 1207 | enter_ps = false; |
0c817338 | 1208 | else |
7ea47240 | 1209 | enter_ps = true; |
0c817338 LF |
1210 | |
1211 | /* LeisurePS only work in infra mode. */ | |
7ea47240 | 1212 | if (enter_ps) |
0c817338 LF |
1213 | rtl_lps_enter(hw); |
1214 | else | |
1215 | rtl_lps_leave(hw); | |
1216 | } | |
1217 | ||
1218 | rtlpriv->link_info.num_rx_inperiod = 0; | |
1219 | rtlpriv->link_info.num_tx_inperiod = 0; | |
acd48572 C |
1220 | for (tid = 0; tid <= 7; tid++) |
1221 | rtlpriv->link_info.tidtx_inperiod[tid] = 0; | |
0c817338 | 1222 | |
7ea47240 LF |
1223 | rtlpriv->link_info.busytraffic = busytraffic; |
1224 | rtlpriv->link_info.higher_busytraffic = higher_busytraffic; | |
1225 | rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; | |
0c817338 | 1226 | |
acd48572 C |
1227 | /* <3> DM */ |
1228 | rtlpriv->cfg->ops->dm_watchdog(hw); | |
0c817338 LF |
1229 | } |
1230 | ||
1231 | void rtl_watch_dog_timer_callback(unsigned long data) | |
1232 | { | |
1233 | struct ieee80211_hw *hw = (struct ieee80211_hw *)data; | |
1234 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1235 | ||
1236 | queue_delayed_work(rtlpriv->works.rtl_wq, | |
1237 | &rtlpriv->works.watchdog_wq, 0); | |
1238 | ||
1239 | mod_timer(&rtlpriv->works.watchdog_timer, | |
1240 | jiffies + MSECS(RTL_WATCH_DOG_TIME)); | |
1241 | } | |
1242 | ||
acd48572 C |
1243 | /********************************************************* |
1244 | * | |
1245 | * frame process functions | |
1246 | * | |
1247 | *********************************************************/ | |
1248 | u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) | |
1249 | { | |
1250 | struct ieee80211_mgmt *mgmt = (void *)data; | |
1251 | u8 *pos, *end; | |
1252 | ||
1253 | pos = (u8 *)mgmt->u.beacon.variable; | |
1254 | end = data + len; | |
1255 | while (pos < end) { | |
1256 | if (pos + 2 + pos[1] > end) | |
1257 | return NULL; | |
1258 | ||
1259 | if (pos[0] == ie) | |
1260 | return pos; | |
1261 | ||
1262 | pos += 2 + pos[1]; | |
1263 | } | |
1264 | return NULL; | |
1265 | } | |
1266 | ||
1267 | /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ | |
1268 | /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ | |
d3bb1429 | 1269 | static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, |
acd48572 C |
1270 | enum ieee80211_smps_mode smps, u8 *da, u8 *bssid) |
1271 | { | |
1272 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
1273 | struct sk_buff *skb; | |
1274 | struct ieee80211_mgmt *action_frame; | |
1275 | ||
1276 | /* 27 = header + category + action + smps mode */ | |
1277 | skb = dev_alloc_skb(27 + hw->extra_tx_headroom); | |
1278 | if (!skb) | |
1279 | return NULL; | |
1280 | ||
1281 | skb_reserve(skb, hw->extra_tx_headroom); | |
1282 | action_frame = (void *)skb_put(skb, 27); | |
1283 | memset(action_frame, 0, 27); | |
1284 | memcpy(action_frame->da, da, ETH_ALEN); | |
1285 | memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); | |
1286 | memcpy(action_frame->bssid, bssid, ETH_ALEN); | |
1287 | action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
1288 | IEEE80211_STYPE_ACTION); | |
1289 | action_frame->u.action.category = WLAN_CATEGORY_HT; | |
1290 | action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; | |
1291 | switch (smps) { | |
1292 | case IEEE80211_SMPS_AUTOMATIC:/* 0 */ | |
1293 | case IEEE80211_SMPS_NUM_MODES:/* 4 */ | |
1294 | WARN_ON(1); | |
1295 | case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ | |
1296 | action_frame->u.action.u.ht_smps.smps_control = | |
1297 | WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ | |
1298 | break; | |
1299 | case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ | |
1300 | action_frame->u.action.u.ht_smps.smps_control = | |
1301 | WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ | |
1302 | break; | |
1303 | case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ | |
1304 | action_frame->u.action.u.ht_smps.smps_control = | |
1305 | WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ | |
1306 | break; | |
1307 | } | |
1308 | ||
1309 | return skb; | |
1310 | } | |
1311 | ||
1312 | int rtl_send_smps_action(struct ieee80211_hw *hw, | |
1313 | struct ieee80211_sta *sta, u8 *da, u8 *bssid, | |
1314 | enum ieee80211_smps_mode smps) | |
1315 | { | |
1316 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1317 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
1318 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
1319 | struct sk_buff *skb = rtl_make_smps_action(hw, smps, da, bssid); | |
1320 | struct rtl_tcb_desc tcb_desc; | |
1321 | memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); | |
1322 | ||
1323 | if (rtlpriv->mac80211.act_scanning) | |
1324 | goto err_free; | |
1325 | ||
1326 | if (!sta) | |
1327 | goto err_free; | |
1328 | ||
1329 | if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) | |
1330 | goto err_free; | |
1331 | ||
1332 | if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) | |
1333 | goto err_free; | |
1334 | ||
1335 | /* this is a type = mgmt * stype = action frame */ | |
1336 | if (skb) { | |
1337 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
1338 | struct rtl_sta_info *sta_entry = | |
1339 | (struct rtl_sta_info *) sta->drv_priv; | |
1340 | sta_entry->mimo_ps = smps; | |
1341 | rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); | |
1342 | ||
1343 | info->control.rates[0].idx = 0; | |
1344 | info->control.sta = sta; | |
1345 | info->band = hw->conf.channel->band; | |
acd48572 | 1346 | rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc); |
acd48572 | 1347 | } |
acd48572 C |
1348 | err_free: |
1349 | return 0; | |
1350 | } | |
1351 | ||
1352 | /********************************************************* | |
1353 | * | |
1354 | * IOT functions | |
1355 | * | |
1356 | *********************************************************/ | |
1357 | static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, | |
1358 | struct octet_string vendor_ie) | |
1359 | { | |
1360 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1361 | bool matched = false; | |
1362 | static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; | |
1363 | static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; | |
1364 | static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; | |
1365 | static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; | |
1366 | static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; | |
1367 | static u8 racap[] = { 0x00, 0x0c, 0x43 }; | |
1368 | static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; | |
1369 | static u8 marvcap[] = { 0x00, 0x50, 0x43 }; | |
1370 | ||
1371 | if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || | |
1372 | memcmp(vendor_ie.octet, athcap_2, 3) == 0) { | |
1373 | rtlpriv->mac80211.vendor = PEER_ATH; | |
1374 | matched = true; | |
1375 | } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || | |
1376 | memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || | |
1377 | memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { | |
1378 | rtlpriv->mac80211.vendor = PEER_BROAD; | |
1379 | matched = true; | |
1380 | } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { | |
1381 | rtlpriv->mac80211.vendor = PEER_RAL; | |
1382 | matched = true; | |
1383 | } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { | |
1384 | rtlpriv->mac80211.vendor = PEER_CISCO; | |
1385 | matched = true; | |
1386 | } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { | |
1387 | rtlpriv->mac80211.vendor = PEER_MARV; | |
1388 | matched = true; | |
1389 | } | |
1390 | ||
1391 | return matched; | |
1392 | } | |
1393 | ||
d3bb1429 | 1394 | static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, |
acd48572 C |
1395 | unsigned int len) |
1396 | { | |
1397 | struct ieee80211_mgmt *mgmt = (void *)data; | |
1398 | struct octet_string vendor_ie; | |
1399 | u8 *pos, *end; | |
1400 | ||
1401 | pos = (u8 *)mgmt->u.beacon.variable; | |
1402 | end = data + len; | |
1403 | while (pos < end) { | |
1404 | if (pos[0] == 221) { | |
1405 | vendor_ie.length = pos[1]; | |
1406 | vendor_ie.octet = &pos[2]; | |
1407 | if (rtl_chk_vendor_ouisub(hw, vendor_ie)) | |
1408 | return true; | |
1409 | } | |
1410 | ||
1411 | if (pos + 2 + pos[1] > end) | |
1412 | return false; | |
1413 | ||
1414 | pos += 2 + pos[1]; | |
1415 | } | |
1416 | return false; | |
1417 | } | |
1418 | ||
1419 | void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) | |
1420 | { | |
1421 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1422 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
1423 | struct ieee80211_hdr *hdr = (void *)data; | |
1424 | u32 vendor = PEER_UNKNOWN; | |
1425 | ||
1426 | static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; | |
1427 | static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; | |
1428 | static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; | |
1429 | static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; | |
1430 | static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; | |
1431 | static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; | |
1432 | static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; | |
1433 | static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; | |
1434 | static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; | |
1435 | static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; | |
1436 | static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; | |
1437 | static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; | |
1438 | static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; | |
1439 | static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; | |
1440 | static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; | |
1441 | static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; | |
1442 | ||
1443 | if (mac->opmode != NL80211_IFTYPE_STATION) | |
1444 | return; | |
1445 | ||
1446 | if (mac->link_state == MAC80211_NOLINK) { | |
1447 | mac->vendor = PEER_UNKNOWN; | |
1448 | return; | |
1449 | } | |
1450 | ||
1451 | if (mac->cnt_after_linked > 2) | |
1452 | return; | |
1453 | ||
1454 | /* check if this really is a beacon */ | |
1455 | if (!ieee80211_is_beacon(hdr->frame_control)) | |
1456 | return; | |
1457 | ||
1458 | /* min. beacon length + FCS_LEN */ | |
1459 | if (len <= 40 + FCS_LEN) | |
1460 | return; | |
1461 | ||
1462 | /* and only beacons from the associated BSSID, please */ | |
1463 | if (compare_ether_addr(hdr->addr3, rtlpriv->mac80211.bssid)) | |
1464 | return; | |
1465 | ||
1466 | if (rtl_find_221_ie(hw, data, len)) | |
1467 | vendor = mac->vendor; | |
1468 | ||
1469 | if ((memcmp(mac->bssid, ap5_1, 3) == 0) || | |
1470 | (memcmp(mac->bssid, ap5_2, 3) == 0) || | |
1471 | (memcmp(mac->bssid, ap5_3, 3) == 0) || | |
1472 | (memcmp(mac->bssid, ap5_4, 3) == 0) || | |
1473 | (memcmp(mac->bssid, ap5_5, 3) == 0) || | |
1474 | (memcmp(mac->bssid, ap5_6, 3) == 0) || | |
1475 | vendor == PEER_ATH) { | |
1476 | vendor = PEER_ATH; | |
1477 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("=>ath find\n")); | |
1478 | } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || | |
1479 | (memcmp(mac->bssid, ap4_5, 3) == 0) || | |
1480 | (memcmp(mac->bssid, ap4_1, 3) == 0) || | |
1481 | (memcmp(mac->bssid, ap4_2, 3) == 0) || | |
1482 | (memcmp(mac->bssid, ap4_3, 3) == 0) || | |
1483 | vendor == PEER_RAL) { | |
1484 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("=>ral findn\n")); | |
1485 | vendor = PEER_RAL; | |
1486 | } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || | |
1487 | vendor == PEER_CISCO) { | |
1488 | vendor = PEER_CISCO; | |
1489 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("=>cisco find\n")); | |
1490 | } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || | |
1491 | (memcmp(mac->bssid, ap3_2, 3) == 0) || | |
1492 | (memcmp(mac->bssid, ap3_3, 3) == 0) || | |
1493 | vendor == PEER_BROAD) { | |
1494 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("=>broad find\n")); | |
1495 | vendor = PEER_BROAD; | |
1496 | } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || | |
1497 | vendor == PEER_MARV) { | |
1498 | vendor = PEER_MARV; | |
1499 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("=>marv find\n")); | |
1500 | } | |
1501 | ||
1502 | mac->vendor = vendor; | |
1503 | } | |
1504 | ||
0c817338 LF |
1505 | /********************************************************* |
1506 | * | |
1507 | * sysfs functions | |
1508 | * | |
1509 | *********************************************************/ | |
1510 | static ssize_t rtl_show_debug_level(struct device *d, | |
1511 | struct device_attribute *attr, char *buf) | |
1512 | { | |
1513 | struct ieee80211_hw *hw = dev_get_drvdata(d); | |
1514 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1515 | ||
1516 | return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel); | |
1517 | } | |
1518 | ||
1519 | static ssize_t rtl_store_debug_level(struct device *d, | |
1520 | struct device_attribute *attr, | |
1521 | const char *buf, size_t count) | |
1522 | { | |
1523 | struct ieee80211_hw *hw = dev_get_drvdata(d); | |
1524 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1525 | unsigned long val; | |
1526 | int ret; | |
1527 | ||
1528 | ret = strict_strtoul(buf, 0, &val); | |
1529 | if (ret) { | |
1530 | printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf); | |
1531 | } else { | |
1532 | rtlpriv->dbg.global_debuglevel = val; | |
1533 | printk(KERN_DEBUG "debuglevel:%x\n", | |
1534 | rtlpriv->dbg.global_debuglevel); | |
1535 | } | |
1536 | ||
1537 | return strnlen(buf, count); | |
1538 | } | |
1539 | ||
1540 | static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, | |
1541 | rtl_show_debug_level, rtl_store_debug_level); | |
1542 | ||
1543 | static struct attribute *rtl_sysfs_entries[] = { | |
1544 | ||
1545 | &dev_attr_debug_level.attr, | |
1546 | ||
1547 | NULL | |
1548 | }; | |
1549 | ||
1550 | /* | |
1551 | * "name" is folder name witch will be | |
1552 | * put in device directory like : | |
1553 | * sys/devices/pci0000:00/0000:00:1c.4/ | |
1554 | * 0000:06:00.0/rtl_sysfs | |
1555 | */ | |
1556 | struct attribute_group rtl_attribute_group = { | |
1557 | .name = "rtlsysfs", | |
1558 | .attrs = rtl_sysfs_entries, | |
1559 | }; | |
1560 | ||
1561 | MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); | |
1562 | MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); | |
1563 | MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); | |
1564 | MODULE_LICENSE("GPL"); | |
1565 | MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); | |
1566 | ||
1567 | static int __init rtl_core_module_init(void) | |
1568 | { | |
375ff4c7 | 1569 | if (rtl_rate_control_register()) |
292b1192 | 1570 | pr_err("Unable to register rtl_rc, use default RC !!\n"); |
acd48572 | 1571 | |
0c817338 LF |
1572 | return 0; |
1573 | } | |
1574 | ||
1575 | static void __exit rtl_core_module_exit(void) | |
1576 | { | |
acd48572 | 1577 | /*RC*/ |
375ff4c7 | 1578 | rtl_rate_control_unregister(); |
0c817338 LF |
1579 | } |
1580 | ||
1581 | module_init(rtl_core_module_init); | |
1582 | module_exit(rtl_core_module_exit); |