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0c817338 LF |
1 | /****************************************************************************** |
2 | * | |
a8d76066 | 3 | * Copyright(c) 2009-2012 Realtek Corporation. |
0c817338 LF |
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 | ||
0c817338 LF |
30 | #include "wifi.h" |
31 | #include "rc.h" | |
32 | #include "base.h" | |
33 | #include "efuse.h" | |
34 | #include "cam.h" | |
35 | #include "ps.h" | |
36 | #include "regd.h" | |
37 | ||
d273bb20 LF |
38 | #include <linux/ip.h> |
39 | #include <linux/module.h> | |
40 | ||
0c817338 | 41 | /* |
e1fa7460 TP |
42 | *NOTICE!!!: This file will be very big, we should |
43 | *keep it clear under following roles: | |
0c817338 | 44 | * |
e1fa7460 | 45 | *This file include following parts, so, if you add new |
0c817338 LF |
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 | |
acd48572 C |
55 | *6) IOT functions |
56 | *7) sysfs functions | |
26634c4b LF |
57 | *8) vif functions |
58 | *9) ... | |
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 | ||
2a00def4 | 171 | u8 rtl_tid_to_ac(u8 tid) |
acd48572 C |
172 | { |
173 | return tid_to_ac[tid]; | |
174 | } | |
6f334c2b | 175 | EXPORT_SYMBOL_GPL(rtl_tid_to_ac); |
acd48572 | 176 | |
0c817338 LF |
177 | static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw, |
178 | struct ieee80211_sta_ht_cap *ht_cap) | |
179 | { | |
180 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
181 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
182 | ||
183 | ht_cap->ht_supported = true; | |
184 | ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | | |
185 | IEEE80211_HT_CAP_SGI_40 | | |
186 | IEEE80211_HT_CAP_SGI_20 | | |
187 | IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU; | |
188 | ||
acd48572 C |
189 | if (rtlpriv->rtlhal.disable_amsdu_8k) |
190 | ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; | |
191 | ||
0c817338 LF |
192 | /* |
193 | *Maximum length of AMPDU that the STA can receive. | |
194 | *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) | |
195 | */ | |
196 | ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; | |
197 | ||
198 | /*Minimum MPDU start spacing , */ | |
199 | ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; | |
200 | ||
201 | ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
202 | ||
26634c4b | 203 | /*hw->wiphy->bands[IEEE80211_BAND_2GHZ] |
0c817338 LF |
204 | *base on ant_num |
205 | *rx_mask: RX mask | |
26634c4b LF |
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; | |
0c817338 LF |
210 | *highest supported RX rate |
211 | */ | |
26634c4b | 212 | if (rtlpriv->dm.supp_phymode_switch) { |
0c817338 | 213 | |
26634c4b LF |
214 | RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, |
215 | "Support phy mode switch\n"); | |
0c817338 LF |
216 | |
217 | ht_cap->mcs.rx_mask[0] = 0xFF; | |
218 | ht_cap->mcs.rx_mask[1] = 0xFF; | |
219 | ht_cap->mcs.rx_mask[4] = 0x01; | |
220 | ||
17c9ac62 | 221 | ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); |
26634c4b LF |
222 | } else { |
223 | if (get_rf_type(rtlphy) == RF_1T2R || | |
224 | get_rf_type(rtlphy) == RF_2T2R) { | |
225 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
226 | "1T2R or 2T2R\n"); | |
227 | ht_cap->mcs.rx_mask[0] = 0xFF; | |
228 | ht_cap->mcs.rx_mask[1] = 0xFF; | |
229 | ht_cap->mcs.rx_mask[4] = 0x01; | |
230 | ||
231 | ht_cap->mcs.rx_highest = | |
232 | cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); | |
233 | } else if (get_rf_type(rtlphy) == RF_1T1R) { | |
234 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n"); | |
235 | ||
236 | ht_cap->mcs.rx_mask[0] = 0xFF; | |
237 | ht_cap->mcs.rx_mask[1] = 0x00; | |
238 | ht_cap->mcs.rx_mask[4] = 0x01; | |
239 | ||
240 | ht_cap->mcs.rx_highest = | |
241 | cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7); | |
242 | } | |
0c817338 LF |
243 | } |
244 | } | |
245 | ||
246 | static void _rtl_init_mac80211(struct ieee80211_hw *hw) | |
247 | { | |
acd48572 C |
248 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
249 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); | |
0c817338 LF |
250 | struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); |
251 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
252 | struct ieee80211_supported_band *sband; | |
253 | ||
0c817338 | 254 | |
acd48572 C |
255 | if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY && rtlhal->bandset == |
256 | BAND_ON_BOTH) { | |
257 | /* 1: 2.4 G bands */ | |
258 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
259 | sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]); | |
0c817338 | 260 | |
acd48572 C |
261 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ] |
262 | * to default value(1T1R) */ | |
263 | memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), &rtl_band_2ghz, | |
264 | sizeof(struct ieee80211_supported_band)); | |
0c817338 | 265 | |
acd48572 C |
266 | /* <3> init ht cap base on ant_num */ |
267 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
0c817338 | 268 | |
acd48572 C |
269 | /* <4> set mac->sband to wiphy->sband */ |
270 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; | |
0c817338 | 271 | |
acd48572 C |
272 | /* 2: 5 G bands */ |
273 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
274 | sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]); | |
275 | ||
276 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ] | |
277 | * to default value(1T1R) */ | |
278 | memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), &rtl_band_5ghz, | |
279 | sizeof(struct ieee80211_supported_band)); | |
280 | ||
281 | /* <3> init ht cap base on ant_num */ | |
282 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
283 | ||
284 | /* <4> set mac->sband to wiphy->sband */ | |
285 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband; | |
286 | } else { | |
287 | if (rtlhal->current_bandtype == BAND_ON_2_4G) { | |
288 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
289 | sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]); | |
290 | ||
291 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ] | |
292 | * to default value(1T1R) */ | |
293 | memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), | |
294 | &rtl_band_2ghz, | |
295 | sizeof(struct ieee80211_supported_band)); | |
296 | ||
297 | /* <3> init ht cap base on ant_num */ | |
298 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
299 | ||
300 | /* <4> set mac->sband to wiphy->sband */ | |
301 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; | |
302 | } else if (rtlhal->current_bandtype == BAND_ON_5G) { | |
303 | /* <1> use mac->bands as mem for hw->wiphy->bands */ | |
304 | sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]); | |
305 | ||
306 | /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ] | |
307 | * to default value(1T1R) */ | |
308 | memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), | |
309 | &rtl_band_5ghz, | |
310 | sizeof(struct ieee80211_supported_band)); | |
311 | ||
312 | /* <3> init ht cap base on ant_num */ | |
313 | _rtl_init_hw_ht_capab(hw, &sband->ht_cap); | |
314 | ||
315 | /* <4> set mac->sband to wiphy->sband */ | |
316 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband; | |
317 | } else { | |
f30d7507 JP |
318 | RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, "Err BAND %d\n", |
319 | rtlhal->current_bandtype); | |
acd48572 C |
320 | } |
321 | } | |
0c817338 LF |
322 | /* <5> set hw caps */ |
323 | hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
324 | IEEE80211_HW_RX_INCLUDES_FCS | | |
acd48572 | 325 | IEEE80211_HW_AMPDU_AGGREGATION | |
09e92f0b CL |
326 | IEEE80211_HW_CONNECTION_MONITOR | |
327 | /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */ | |
26634c4b LF |
328 | IEEE80211_HW_CONNECTION_MONITOR | |
329 | IEEE80211_HW_MFP_CAPABLE | | |
0c817338 LF |
330 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | 0; |
331 | ||
acd48572 C |
332 | /* swlps or hwlps has been set in diff chip in init_sw_vars */ |
333 | if (rtlpriv->psc.swctrl_lps) | |
334 | hw->flags |= IEEE80211_HW_SUPPORTS_PS | | |
335 | IEEE80211_HW_PS_NULLFUNC_STACK | | |
336 | /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */ | |
337 | 0; | |
338 | ||
0c817338 | 339 | hw->wiphy->interface_modes = |
acd48572 C |
340 | BIT(NL80211_IFTYPE_AP) | |
341 | BIT(NL80211_IFTYPE_STATION) | | |
26634c4b LF |
342 | BIT(NL80211_IFTYPE_ADHOC) | |
343 | BIT(NL80211_IFTYPE_MESH_POINT) | | |
344 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
345 | BIT(NL80211_IFTYPE_P2P_GO); | |
0c817338 | 346 | |
26634c4b | 347 | hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |
0c817338 LF |
348 | hw->wiphy->rts_threshold = 2347; |
349 | ||
350 | hw->queues = AC_MAX; | |
351 | hw->extra_tx_headroom = RTL_TX_HEADER_SIZE; | |
352 | ||
353 | /* TODO: Correct this value for our hw */ | |
354 | /* TODO: define these hard code value */ | |
355 | hw->channel_change_time = 100; | |
acd48572 | 356 | hw->max_listen_interval = 10; |
0c817338 LF |
357 | hw->max_rate_tries = 4; |
358 | /* hw->max_rates = 1; */ | |
acd48572 | 359 | hw->sta_data_size = sizeof(struct rtl_sta_info); |
0c817338 LF |
360 | |
361 | /* <6> mac address */ | |
362 | if (is_valid_ether_addr(rtlefuse->dev_addr)) { | |
363 | SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr); | |
364 | } else { | |
abfabc9b LF |
365 | u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; |
366 | get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1); | |
367 | SET_IEEE80211_PERM_ADDR(hw, rtlmac1); | |
0c817338 LF |
368 | } |
369 | ||
370 | } | |
371 | ||
372 | static void _rtl_init_deferred_work(struct ieee80211_hw *hw) | |
373 | { | |
374 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
375 | ||
376 | /* <1> timer */ | |
0c817338 LF |
377 | setup_timer(&rtlpriv->works.watchdog_timer, |
378 | rtl_watch_dog_timer_callback, (unsigned long)hw); | |
26634c4b LF |
379 | setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, |
380 | rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw); | |
0c817338 LF |
381 | |
382 | /* <2> work queue */ | |
383 | rtlpriv->works.hw = hw; | |
d8537548 | 384 | rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); |
0c817338 LF |
385 | INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, |
386 | (void *)rtl_watchdog_wq_callback); | |
387 | INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, | |
388 | (void *)rtl_ips_nic_off_wq_callback); | |
acd48572 C |
389 | INIT_DELAYED_WORK(&rtlpriv->works.ps_work, |
390 | (void *)rtl_swlps_wq_callback); | |
391 | INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, | |
392 | (void *)rtl_swlps_rfon_wq_callback); | |
26634c4b LF |
393 | INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, |
394 | (void *)rtl_fwevt_wq_callback); | |
0c817338 LF |
395 | |
396 | } | |
397 | ||
398 | void rtl_deinit_deferred_work(struct ieee80211_hw *hw) | |
399 | { | |
400 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
401 | ||
402 | del_timer_sync(&rtlpriv->works.watchdog_timer); | |
403 | ||
404 | cancel_delayed_work(&rtlpriv->works.watchdog_wq); | |
405 | cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); | |
acd48572 C |
406 | cancel_delayed_work(&rtlpriv->works.ps_work); |
407 | cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); | |
26634c4b | 408 | cancel_delayed_work(&rtlpriv->works.fwevt_wq); |
0c817338 | 409 | } |
6f334c2b | 410 | EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); |
0c817338 LF |
411 | |
412 | void rtl_init_rfkill(struct ieee80211_hw *hw) | |
413 | { | |
414 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
415 | ||
416 | bool radio_state; | |
417 | bool blocked; | |
418 | u8 valid = 0; | |
419 | ||
228bdfca | 420 | /*set init state to on */ |
3db1cd5c | 421 | rtlpriv->rfkill.rfkill_state = true; |
228bdfca | 422 | wiphy_rfkill_set_hw_state(hw->wiphy, 0); |
0c817338 | 423 | |
228bdfca | 424 | radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); |
0c817338 | 425 | |
e6d8a817 | 426 | if (valid) { |
292b1192 JP |
427 | pr_info("wireless switch is %s\n", |
428 | rtlpriv->rfkill.rfkill_state ? "on" : "off"); | |
228bdfca | 429 | |
0c817338 LF |
430 | rtlpriv->rfkill.rfkill_state = radio_state; |
431 | ||
432 | blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; | |
433 | wiphy_rfkill_set_hw_state(hw->wiphy, blocked); | |
434 | } | |
435 | ||
436 | wiphy_rfkill_start_polling(hw->wiphy); | |
437 | } | |
b0302aba | 438 | EXPORT_SYMBOL(rtl_init_rfkill); |
0c817338 LF |
439 | |
440 | void rtl_deinit_rfkill(struct ieee80211_hw *hw) | |
441 | { | |
442 | wiphy_rfkill_stop_polling(hw->wiphy); | |
443 | } | |
6f334c2b | 444 | EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); |
0c817338 LF |
445 | |
446 | int rtl_init_core(struct ieee80211_hw *hw) | |
447 | { | |
448 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
449 | struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); | |
450 | ||
451 | /* <1> init mac80211 */ | |
452 | _rtl_init_mac80211(hw); | |
453 | rtlmac->hw = hw; | |
454 | ||
455 | /* <2> rate control register */ | |
375ff4c7 | 456 | hw->rate_control_algorithm = "rtl_rc"; |
0c817338 LF |
457 | |
458 | /* | |
459 | * <3> init CRDA must come after init | |
460 | * mac80211 hw in _rtl_init_mac80211. | |
461 | */ | |
462 | if (rtl_regd_init(hw, rtl_reg_notifier)) { | |
f30d7507 | 463 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "REGD init failed\n"); |
0c817338 | 464 | return 1; |
0c817338 LF |
465 | } |
466 | ||
467 | /* <4> locks */ | |
8a09d6d8 | 468 | mutex_init(&rtlpriv->locks.conf_mutex); |
6539306b | 469 | mutex_init(&rtlpriv->locks.ps_mutex); |
b9116b9a | 470 | spin_lock_init(&rtlpriv->locks.ips_lock); |
0c817338 | 471 | spin_lock_init(&rtlpriv->locks.irq_th_lock); |
26634c4b LF |
472 | spin_lock_init(&rtlpriv->locks.irq_pci_lock); |
473 | spin_lock_init(&rtlpriv->locks.tx_lock); | |
0c817338 LF |
474 | spin_lock_init(&rtlpriv->locks.h2c_lock); |
475 | spin_lock_init(&rtlpriv->locks.rf_ps_lock); | |
476 | spin_lock_init(&rtlpriv->locks.rf_lock); | |
acd48572 | 477 | spin_lock_init(&rtlpriv->locks.waitq_lock); |
26634c4b | 478 | spin_lock_init(&rtlpriv->locks.entry_list_lock); |
e6deaf81 | 479 | spin_lock_init(&rtlpriv->locks.fw_ps_lock); |
acd48572 | 480 | spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); |
26634c4b LF |
481 | spin_lock_init(&rtlpriv->locks.check_sendpkt_lock); |
482 | spin_lock_init(&rtlpriv->locks.fw_ps_lock); | |
483 | spin_lock_init(&rtlpriv->locks.lps_lock); | |
484 | ||
485 | /* <5> init list */ | |
486 | INIT_LIST_HEAD(&rtlpriv->entry_list); | |
0c817338 LF |
487 | |
488 | rtlmac->link_state = MAC80211_NOLINK; | |
489 | ||
26634c4b | 490 | /* <6> init deferred work */ |
0c817338 LF |
491 | _rtl_init_deferred_work(hw); |
492 | ||
493 | return 0; | |
494 | } | |
6f334c2b | 495 | EXPORT_SYMBOL_GPL(rtl_init_core); |
0c817338 LF |
496 | |
497 | void rtl_deinit_core(struct ieee80211_hw *hw) | |
498 | { | |
0c817338 | 499 | } |
6f334c2b | 500 | EXPORT_SYMBOL_GPL(rtl_deinit_core); |
0c817338 LF |
501 | |
502 | void rtl_init_rx_config(struct ieee80211_hw *hw) | |
503 | { | |
504 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
505 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
506 | ||
507 | rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); | |
0c817338 | 508 | } |
6f334c2b | 509 | EXPORT_SYMBOL_GPL(rtl_init_rx_config); |
0c817338 LF |
510 | |
511 | /********************************************************* | |
512 | * | |
513 | * tx information functions | |
514 | * | |
515 | *********************************************************/ | |
516 | static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, | |
517 | struct rtl_tcb_desc *tcb_desc, | |
518 | struct ieee80211_tx_info *info) | |
519 | { | |
520 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
521 | u8 rate_flag = info->control.rates[0].flags; | |
522 | ||
523 | tcb_desc->use_shortpreamble = false; | |
524 | ||
525 | /* 1M can only use Long Preamble. 11B spec */ | |
526 | if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) | |
527 | return; | |
528 | else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) | |
529 | tcb_desc->use_shortpreamble = true; | |
530 | ||
531 | return; | |
532 | } | |
533 | ||
534 | static void _rtl_query_shortgi(struct ieee80211_hw *hw, | |
acd48572 | 535 | struct ieee80211_sta *sta, |
0c817338 LF |
536 | struct rtl_tcb_desc *tcb_desc, |
537 | struct ieee80211_tx_info *info) | |
538 | { | |
539 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
540 | u8 rate_flag = info->control.rates[0].flags; | |
acd48572 | 541 | u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; |
0c817338 LF |
542 | tcb_desc->use_shortgi = false; |
543 | ||
acd48572 | 544 | if (sta == NULL) |
0c817338 LF |
545 | return; |
546 | ||
acd48572 C |
547 | sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; |
548 | sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; | |
549 | ||
550 | if (!(sta->ht_cap.ht_supported)) | |
0c817338 LF |
551 | return; |
552 | ||
acd48572 | 553 | if (!sgi_40 && !sgi_20) |
0c817338 LF |
554 | return; |
555 | ||
acd48572 C |
556 | if (mac->opmode == NL80211_IFTYPE_STATION) |
557 | bw_40 = mac->bw_40; | |
558 | else if (mac->opmode == NL80211_IFTYPE_AP || | |
26634c4b LF |
559 | mac->opmode == NL80211_IFTYPE_ADHOC || |
560 | mac->opmode == NL80211_IFTYPE_MESH_POINT) | |
e1a0c6b3 | 561 | bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; |
acd48572 | 562 | |
e10542c4 | 563 | if (bw_40 && sgi_40) |
0c817338 | 564 | tcb_desc->use_shortgi = true; |
acd48572 | 565 | else if ((bw_40 == false) && sgi_20) |
0c817338 LF |
566 | tcb_desc->use_shortgi = true; |
567 | ||
568 | if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) | |
569 | tcb_desc->use_shortgi = false; | |
0c817338 LF |
570 | } |
571 | ||
572 | static void _rtl_query_protection_mode(struct ieee80211_hw *hw, | |
573 | struct rtl_tcb_desc *tcb_desc, | |
574 | struct ieee80211_tx_info *info) | |
575 | { | |
576 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
577 | u8 rate_flag = info->control.rates[0].flags; | |
578 | ||
579 | /* Common Settings */ | |
7ea47240 LF |
580 | tcb_desc->rts_stbc = false; |
581 | tcb_desc->cts_enable = false; | |
0c817338 | 582 | tcb_desc->rts_sc = 0; |
7ea47240 LF |
583 | tcb_desc->rts_bw = false; |
584 | tcb_desc->rts_use_shortpreamble = false; | |
585 | tcb_desc->rts_use_shortgi = false; | |
0c817338 LF |
586 | |
587 | if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { | |
588 | /* Use CTS-to-SELF in protection mode. */ | |
7ea47240 LF |
589 | tcb_desc->rts_enable = true; |
590 | tcb_desc->cts_enable = true; | |
0c817338 LF |
591 | tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; |
592 | } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { | |
593 | /* Use RTS-CTS in protection mode. */ | |
7ea47240 | 594 | tcb_desc->rts_enable = true; |
0c817338 LF |
595 | tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; |
596 | } | |
0c817338 LF |
597 | } |
598 | ||
599 | static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, | |
acd48572 | 600 | struct ieee80211_sta *sta, |
0c817338 LF |
601 | struct rtl_tcb_desc *tcb_desc) |
602 | { | |
603 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
604 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
acd48572 C |
605 | struct rtl_sta_info *sta_entry = NULL; |
606 | u8 ratr_index = 7; | |
0c817338 | 607 | |
acd48572 C |
608 | if (sta) { |
609 | sta_entry = (struct rtl_sta_info *) sta->drv_priv; | |
610 | ratr_index = sta_entry->ratr_index; | |
611 | } | |
0c817338 | 612 | if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { |
acd48572 | 613 | if (mac->opmode == NL80211_IFTYPE_STATION) { |
0c817338 | 614 | tcb_desc->ratr_index = 0; |
26634c4b LF |
615 | } else if (mac->opmode == NL80211_IFTYPE_ADHOC || |
616 | mac->opmode == NL80211_IFTYPE_MESH_POINT) { | |
7ea47240 | 617 | if (tcb_desc->multicast || tcb_desc->broadcast) { |
0c817338 LF |
618 | tcb_desc->hw_rate = |
619 | rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; | |
620 | tcb_desc->use_driver_rate = 1; | |
26634c4b | 621 | tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; |
0c817338 | 622 | } else { |
26634c4b | 623 | tcb_desc->ratr_index = ratr_index; |
0c817338 | 624 | } |
acd48572 C |
625 | } else if (mac->opmode == NL80211_IFTYPE_AP) { |
626 | tcb_desc->ratr_index = ratr_index; | |
0c817338 LF |
627 | } |
628 | } | |
629 | ||
7ea47240 | 630 | if (rtlpriv->dm.useramask) { |
26634c4b LF |
631 | tcb_desc->ratr_index = ratr_index; |
632 | /* TODO we will differentiate adhoc and station future */ | |
633 | if (mac->opmode == NL80211_IFTYPE_STATION || | |
634 | mac->opmode == NL80211_IFTYPE_MESH_POINT) { | |
acd48572 C |
635 | tcb_desc->mac_id = 0; |
636 | ||
637 | if (mac->mode == WIRELESS_MODE_N_24G) | |
638 | tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB; | |
639 | else if (mac->mode == WIRELESS_MODE_N_5G) | |
640 | tcb_desc->ratr_index = RATR_INX_WIRELESS_NG; | |
641 | else if (mac->mode & WIRELESS_MODE_G) | |
642 | tcb_desc->ratr_index = RATR_INX_WIRELESS_GB; | |
643 | else if (mac->mode & WIRELESS_MODE_B) | |
644 | tcb_desc->ratr_index = RATR_INX_WIRELESS_B; | |
645 | else if (mac->mode & WIRELESS_MODE_A) | |
646 | tcb_desc->ratr_index = RATR_INX_WIRELESS_G; | |
647 | } else if (mac->opmode == NL80211_IFTYPE_AP || | |
26634c4b | 648 | mac->opmode == NL80211_IFTYPE_ADHOC) { |
acd48572 C |
649 | if (NULL != sta) { |
650 | if (sta->aid > 0) | |
651 | tcb_desc->mac_id = sta->aid + 1; | |
652 | else | |
653 | tcb_desc->mac_id = 1; | |
654 | } else { | |
655 | tcb_desc->mac_id = 0; | |
656 | } | |
0c817338 LF |
657 | } |
658 | } | |
0c817338 LF |
659 | } |
660 | ||
661 | static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, | |
acd48572 | 662 | struct ieee80211_sta *sta, |
0c817338 LF |
663 | struct rtl_tcb_desc *tcb_desc) |
664 | { | |
665 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
666 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
667 | ||
7ea47240 | 668 | tcb_desc->packet_bw = false; |
acd48572 | 669 | if (!sta) |
0c817338 | 670 | return; |
acd48572 | 671 | if (mac->opmode == NL80211_IFTYPE_AP || |
26634c4b LF |
672 | mac->opmode == NL80211_IFTYPE_ADHOC || |
673 | mac->opmode == NL80211_IFTYPE_MESH_POINT) { | |
e1a0c6b3 | 674 | if (sta->bandwidth == IEEE80211_STA_RX_BW_20) |
acd48572 C |
675 | return; |
676 | } else if (mac->opmode == NL80211_IFTYPE_STATION) { | |
677 | if (!mac->bw_40 || !(sta->ht_cap.ht_supported)) | |
678 | return; | |
679 | } | |
7ea47240 | 680 | if (tcb_desc->multicast || tcb_desc->broadcast) |
0c817338 LF |
681 | return; |
682 | ||
683 | /*use legency rate, shall use 20MHz */ | |
684 | if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) | |
685 | return; | |
686 | ||
7ea47240 | 687 | tcb_desc->packet_bw = true; |
0c817338 LF |
688 | } |
689 | ||
690 | static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw) | |
691 | { | |
692 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
693 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
694 | u8 hw_rate; | |
695 | ||
696 | if (get_rf_type(rtlphy) == RF_2T2R) | |
697 | hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; | |
698 | else | |
699 | hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; | |
700 | ||
701 | return hw_rate; | |
702 | } | |
703 | ||
7ad0ce35 LF |
704 | /* mac80211's rate_idx is like this: |
705 | * | |
706 | * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ | |
707 | * | |
708 | * B/G rate: | |
709 | * (rx_status->flag & RX_FLAG_HT) = 0, | |
710 | * DESC92_RATE1M-->DESC92_RATE54M ==> idx is 0-->11, | |
711 | * | |
712 | * N rate: | |
713 | * (rx_status->flag & RX_FLAG_HT) = 1, | |
714 | * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 | |
715 | * | |
716 | * 5G band:rx_status->band == IEEE80211_BAND_5GHZ | |
717 | * A rate: | |
718 | * (rx_status->flag & RX_FLAG_HT) = 0, | |
719 | * DESC92_RATE6M-->DESC92_RATE54M ==> idx is 0-->7, | |
720 | * | |
721 | * N rate: | |
722 | * (rx_status->flag & RX_FLAG_HT) = 1, | |
723 | * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 | |
724 | */ | |
725 | int rtlwifi_rate_mapping(struct ieee80211_hw *hw, | |
726 | bool isht, u8 desc_rate, bool first_ampdu) | |
727 | { | |
728 | int rate_idx; | |
729 | ||
730 | if (false == isht) { | |
675a0b04 | 731 | if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) { |
7ad0ce35 LF |
732 | switch (desc_rate) { |
733 | case DESC92_RATE1M: | |
734 | rate_idx = 0; | |
735 | break; | |
736 | case DESC92_RATE2M: | |
737 | rate_idx = 1; | |
738 | break; | |
739 | case DESC92_RATE5_5M: | |
740 | rate_idx = 2; | |
741 | break; | |
742 | case DESC92_RATE11M: | |
743 | rate_idx = 3; | |
744 | break; | |
745 | case DESC92_RATE6M: | |
746 | rate_idx = 4; | |
747 | break; | |
748 | case DESC92_RATE9M: | |
749 | rate_idx = 5; | |
750 | break; | |
751 | case DESC92_RATE12M: | |
752 | rate_idx = 6; | |
753 | break; | |
754 | case DESC92_RATE18M: | |
755 | rate_idx = 7; | |
756 | break; | |
757 | case DESC92_RATE24M: | |
758 | rate_idx = 8; | |
759 | break; | |
760 | case DESC92_RATE36M: | |
761 | rate_idx = 9; | |
762 | break; | |
763 | case DESC92_RATE48M: | |
764 | rate_idx = 10; | |
765 | break; | |
766 | case DESC92_RATE54M: | |
767 | rate_idx = 11; | |
768 | break; | |
769 | default: | |
770 | rate_idx = 0; | |
771 | break; | |
772 | } | |
773 | } else { | |
774 | switch (desc_rate) { | |
775 | case DESC92_RATE6M: | |
776 | rate_idx = 0; | |
777 | break; | |
778 | case DESC92_RATE9M: | |
779 | rate_idx = 1; | |
780 | break; | |
781 | case DESC92_RATE12M: | |
782 | rate_idx = 2; | |
783 | break; | |
784 | case DESC92_RATE18M: | |
785 | rate_idx = 3; | |
786 | break; | |
787 | case DESC92_RATE24M: | |
788 | rate_idx = 4; | |
789 | break; | |
790 | case DESC92_RATE36M: | |
791 | rate_idx = 5; | |
792 | break; | |
793 | case DESC92_RATE48M: | |
794 | rate_idx = 6; | |
795 | break; | |
796 | case DESC92_RATE54M: | |
797 | rate_idx = 7; | |
798 | break; | |
799 | default: | |
800 | rate_idx = 0; | |
801 | break; | |
802 | } | |
803 | } | |
804 | ||
805 | } else { | |
806 | ||
807 | switch (desc_rate) { | |
808 | case DESC92_RATEMCS0: | |
809 | rate_idx = 0; | |
810 | break; | |
811 | case DESC92_RATEMCS1: | |
812 | rate_idx = 1; | |
813 | break; | |
814 | case DESC92_RATEMCS2: | |
815 | rate_idx = 2; | |
816 | break; | |
817 | case DESC92_RATEMCS3: | |
818 | rate_idx = 3; | |
819 | break; | |
820 | case DESC92_RATEMCS4: | |
821 | rate_idx = 4; | |
822 | break; | |
823 | case DESC92_RATEMCS5: | |
824 | rate_idx = 5; | |
825 | break; | |
826 | case DESC92_RATEMCS6: | |
827 | rate_idx = 6; | |
828 | break; | |
829 | case DESC92_RATEMCS7: | |
830 | rate_idx = 7; | |
831 | break; | |
832 | case DESC92_RATEMCS8: | |
833 | rate_idx = 8; | |
834 | break; | |
835 | case DESC92_RATEMCS9: | |
836 | rate_idx = 9; | |
837 | break; | |
838 | case DESC92_RATEMCS10: | |
839 | rate_idx = 10; | |
840 | break; | |
841 | case DESC92_RATEMCS11: | |
842 | rate_idx = 11; | |
843 | break; | |
844 | case DESC92_RATEMCS12: | |
845 | rate_idx = 12; | |
846 | break; | |
847 | case DESC92_RATEMCS13: | |
848 | rate_idx = 13; | |
849 | break; | |
850 | case DESC92_RATEMCS14: | |
851 | rate_idx = 14; | |
852 | break; | |
853 | case DESC92_RATEMCS15: | |
854 | rate_idx = 15; | |
855 | break; | |
856 | default: | |
857 | rate_idx = 0; | |
858 | break; | |
859 | } | |
860 | } | |
861 | return rate_idx; | |
862 | } | |
863 | EXPORT_SYMBOL(rtlwifi_rate_mapping); | |
864 | ||
0f015453 LF |
865 | bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) |
866 | { | |
867 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
868 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
869 | __le16 fc = rtl_get_fc(skb); | |
870 | ||
871 | if (rtlpriv->dm.supp_phymode_switch && | |
872 | mac->link_state < MAC80211_LINKED && | |
873 | (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { | |
26634c4b LF |
874 | if (rtlpriv->cfg->ops->chk_switch_dmdp) |
875 | rtlpriv->cfg->ops->chk_switch_dmdp(hw); | |
0f015453 LF |
876 | } |
877 | if (ieee80211_is_auth(fc)) { | |
878 | RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); | |
879 | rtl_ips_nic_on(hw); | |
880 | ||
881 | mac->link_state = MAC80211_LINKING; | |
882 | /* Dual mac */ | |
883 | rtlpriv->phy.need_iqk = true; | |
884 | } | |
885 | ||
886 | return true; | |
887 | } | |
6f334c2b | 888 | EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); |
0f015453 | 889 | |
0c817338 LF |
890 | void rtl_get_tcb_desc(struct ieee80211_hw *hw, |
891 | struct ieee80211_tx_info *info, | |
acd48572 | 892 | struct ieee80211_sta *sta, |
0c817338 LF |
893 | struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) |
894 | { | |
895 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
896 | struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); | |
acd48572 | 897 | struct ieee80211_hdr *hdr = rtl_get_hdr(skb); |
0c817338 | 898 | struct ieee80211_rate *txrate; |
17c9ac62 | 899 | __le16 fc = hdr->frame_control; |
0c817338 | 900 | |
acd48572 | 901 | txrate = ieee80211_get_tx_rate(hw, info); |
e89f7690 LF |
902 | if (txrate) |
903 | tcb_desc->hw_rate = txrate->hw_value; | |
904 | else | |
905 | tcb_desc->hw_rate = 0; | |
0c817338 LF |
906 | |
907 | if (ieee80211_is_data(fc)) { | |
0c817338 | 908 | /* |
acd48572 | 909 | *we set data rate INX 0 |
0c817338 LF |
910 | *in rtl_rc.c if skb is special data or |
911 | *mgt which need low data rate. | |
912 | */ | |
913 | ||
914 | /* | |
915 | *So tcb_desc->hw_rate is just used for | |
916 | *special data and mgt frames | |
917 | */ | |
09e92f0b | 918 | if (info->control.rates[0].idx == 0 || |
acd48572 | 919 | ieee80211_is_nullfunc(fc)) { |
0c817338 | 920 | tcb_desc->use_driver_rate = true; |
acd48572 | 921 | tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; |
0c817338 | 922 | |
0c817338 LF |
923 | tcb_desc->disable_ratefallback = 1; |
924 | } else { | |
925 | /* | |
926 | *because hw will nerver use hw_rate | |
927 | *when tcb_desc->use_driver_rate = false | |
928 | *so we never set highest N rate here, | |
25985edc | 929 | *and N rate will all be controlled by FW |
0c817338 LF |
930 | *when tcb_desc->use_driver_rate = false |
931 | */ | |
acd48572 | 932 | if (sta && (sta->ht_cap.ht_supported)) { |
0c817338 LF |
933 | tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw); |
934 | } else { | |
935 | if (rtlmac->mode == WIRELESS_MODE_B) { | |
936 | tcb_desc->hw_rate = | |
937 | rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; | |
938 | } else { | |
939 | tcb_desc->hw_rate = | |
940 | rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; | |
941 | } | |
942 | } | |
943 | } | |
944 | ||
945 | if (is_multicast_ether_addr(ieee80211_get_DA(hdr))) | |
7ea47240 | 946 | tcb_desc->multicast = 1; |
0c817338 | 947 | else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr))) |
7ea47240 | 948 | tcb_desc->broadcast = 1; |
0c817338 | 949 | |
acd48572 C |
950 | _rtl_txrate_selectmode(hw, sta, tcb_desc); |
951 | _rtl_query_bandwidth_mode(hw, sta, tcb_desc); | |
0c817338 | 952 | _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); |
acd48572 | 953 | _rtl_query_shortgi(hw, sta, tcb_desc, info); |
0c817338 LF |
954 | _rtl_query_protection_mode(hw, tcb_desc, info); |
955 | } else { | |
956 | tcb_desc->use_driver_rate = true; | |
acd48572 | 957 | tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; |
0c817338 LF |
958 | tcb_desc->disable_ratefallback = 1; |
959 | tcb_desc->mac_id = 0; | |
acd48572 | 960 | tcb_desc->packet_bw = false; |
0c817338 LF |
961 | } |
962 | } | |
963 | EXPORT_SYMBOL(rtl_get_tcb_desc); | |
964 | ||
26634c4b LF |
965 | static bool addbareq_rx(struct ieee80211_hw *hw, struct sk_buff *skb) |
966 | { | |
967 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
968 | struct ieee80211_sta *sta = NULL; | |
969 | struct ieee80211_hdr *hdr = rtl_get_hdr(skb); | |
970 | struct rtl_sta_info *sta_entry = NULL; | |
971 | struct ieee80211_mgmt *mgmt = (void *)skb->data; | |
972 | u16 capab = 0, tid = 0; | |
973 | struct rtl_tid_data *tid_data; | |
974 | struct sk_buff *skb_delba = NULL; | |
975 | struct ieee80211_rx_status rx_status = { 0 }; | |
976 | ||
977 | rcu_read_lock(); | |
978 | sta = rtl_find_sta(hw, hdr->addr3); | |
979 | if (sta == NULL) { | |
980 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_EMERG, | |
981 | "sta is NULL\n"); | |
982 | rcu_read_unlock(); | |
983 | return true; | |
984 | } | |
985 | ||
986 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
987 | if (!sta_entry) { | |
988 | rcu_read_unlock(); | |
989 | return true; | |
990 | } | |
991 | capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab); | |
992 | tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; | |
993 | tid_data = &sta_entry->tids[tid]; | |
994 | if (tid_data->agg.rx_agg_state == RTL_RX_AGG_START) { | |
995 | skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid); | |
996 | if (skb_delba) { | |
655d8e23 JL |
997 | rx_status.freq = hw->conf.chandef.chan->center_freq; |
998 | rx_status.band = hw->conf.chandef.chan->band; | |
26634c4b LF |
999 | rx_status.flag |= RX_FLAG_DECRYPTED; |
1000 | rx_status.flag |= RX_FLAG_MACTIME_END; | |
1001 | rx_status.rate_idx = 0; | |
1002 | rx_status.signal = 50 + 10; | |
1003 | memcpy(IEEE80211_SKB_RXCB(skb_delba), &rx_status, | |
1004 | sizeof(rx_status)); | |
1005 | RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, | |
1006 | "fake del\n", skb_delba->data, | |
1007 | skb_delba->len); | |
1008 | ieee80211_rx_irqsafe(hw, skb_delba); | |
1009 | } | |
1010 | } | |
1011 | rcu_read_unlock(); | |
1012 | return false; | |
1013 | } | |
1014 | ||
0c817338 LF |
1015 | bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) |
1016 | { | |
1017 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
acd48572 | 1018 | struct ieee80211_hdr *hdr = rtl_get_hdr(skb); |
0c817338 | 1019 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
17c9ac62 | 1020 | __le16 fc = hdr->frame_control; |
2c208890 | 1021 | u8 *act = (u8 *)skb->data + MAC80211_3ADDR_LEN; |
0c817338 LF |
1022 | u8 category; |
1023 | ||
1024 | if (!ieee80211_is_action(fc)) | |
1025 | return true; | |
1026 | ||
1027 | category = *act; | |
1028 | act++; | |
1029 | switch (category) { | |
1030 | case ACT_CAT_BA: | |
1031 | switch (*act) { | |
1032 | case ACT_ADDBAREQ: | |
1033 | if (mac->act_scanning) | |
1034 | return false; | |
1035 | ||
1036 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, | |
f30d7507 JP |
1037 | "%s ACT_ADDBAREQ From :%pM\n", |
1038 | is_tx ? "Tx" : "Rx", hdr->addr2); | |
26634c4b LF |
1039 | RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", |
1040 | skb->data, skb->len); | |
1041 | if (!is_tx) | |
1042 | if (addbareq_rx(hw, skb)) | |
1043 | return true; | |
0c817338 LF |
1044 | break; |
1045 | case ACT_ADDBARSP: | |
1046 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, | |
f30d7507 JP |
1047 | "%s ACT_ADDBARSP From :%pM\n", |
1048 | is_tx ? "Tx" : "Rx", hdr->addr2); | |
0c817338 LF |
1049 | break; |
1050 | case ACT_DELBA: | |
1051 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, | |
f30d7507 | 1052 | "ACT_ADDBADEL From :%pM\n", hdr->addr2); |
0c817338 LF |
1053 | break; |
1054 | } | |
1055 | break; | |
1056 | default: | |
1057 | break; | |
1058 | } | |
1059 | ||
1060 | return true; | |
1061 | } | |
6f334c2b | 1062 | EXPORT_SYMBOL_GPL(rtl_action_proc); |
0c817338 LF |
1063 | |
1064 | /*should call before software enc*/ | |
1065 | u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) | |
1066 | { | |
1067 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
0c817338 | 1068 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
acd48572 | 1069 | __le16 fc = rtl_get_fc(skb); |
0c817338 LF |
1070 | u16 ether_type; |
1071 | u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); | |
1072 | const struct iphdr *ip; | |
1073 | ||
1074 | if (!ieee80211_is_data(fc)) | |
32473284 | 1075 | return false; |
0c817338 | 1076 | |
0c817338 LF |
1077 | |
1078 | ip = (struct iphdr *)((u8 *) skb->data + mac_hdr_len + | |
1079 | SNAP_SIZE + PROTOC_TYPE_SIZE); | |
1080 | ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE); | |
d3bb1429 | 1081 | /* ether_type = ntohs(ether_type); */ |
0c817338 LF |
1082 | |
1083 | if (ETH_P_IP == ether_type) { | |
1084 | if (IPPROTO_UDP == ip->protocol) { | |
1085 | struct udphdr *udp = (struct udphdr *)((u8 *) ip + | |
1086 | (ip->ihl << 2)); | |
1087 | if (((((u8 *) udp)[1] == 68) && | |
1088 | (((u8 *) udp)[3] == 67)) || | |
1089 | ((((u8 *) udp)[1] == 67) && | |
1090 | (((u8 *) udp)[3] == 68))) { | |
1091 | /* | |
1092 | * 68 : UDP BOOTP client | |
1093 | * 67 : UDP BOOTP server | |
1094 | */ | |
1095 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), | |
f30d7507 JP |
1096 | DBG_DMESG, "dhcp %s !!\n", |
1097 | is_tx ? "Tx" : "Rx"); | |
0c817338 LF |
1098 | |
1099 | if (is_tx) { | |
a269913c | 1100 | rtlpriv->enter_ps = false; |
a5ffbe0a | 1101 | schedule_work(&rtlpriv-> |
a269913c | 1102 | works.lps_change_work); |
0c817338 LF |
1103 | ppsc->last_delaylps_stamp_jiffies = |
1104 | jiffies; | |
1105 | } | |
1106 | ||
1107 | return true; | |
1108 | } | |
1109 | } | |
1110 | } else if (ETH_P_ARP == ether_type) { | |
1111 | if (is_tx) { | |
a269913c LF |
1112 | rtlpriv->enter_ps = false; |
1113 | schedule_work(&rtlpriv->works.lps_change_work); | |
0c817338 LF |
1114 | ppsc->last_delaylps_stamp_jiffies = jiffies; |
1115 | } | |
1116 | ||
1117 | return true; | |
1118 | } else if (ETH_P_PAE == ether_type) { | |
1119 | RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, | |
f30d7507 | 1120 | "802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx"); |
0c817338 LF |
1121 | |
1122 | if (is_tx) { | |
a269913c LF |
1123 | rtlpriv->enter_ps = false; |
1124 | schedule_work(&rtlpriv->works.lps_change_work); | |
0c817338 LF |
1125 | ppsc->last_delaylps_stamp_jiffies = jiffies; |
1126 | } | |
1127 | ||
1128 | return true; | |
17c9ac62 LF |
1129 | } else if (ETH_P_IPV6 == ether_type) { |
1130 | /* IPv6 */ | |
0c817338 LF |
1131 | return true; |
1132 | } | |
1133 | ||
0c817338 LF |
1134 | return false; |
1135 | } | |
6f334c2b | 1136 | EXPORT_SYMBOL_GPL(rtl_is_special_data); |
0c817338 LF |
1137 | |
1138 | /********************************************************* | |
1139 | * | |
1140 | * functions called by core.c | |
1141 | * | |
1142 | *********************************************************/ | |
acd48572 C |
1143 | int rtl_tx_agg_start(struct ieee80211_hw *hw, |
1144 | struct ieee80211_sta *sta, u16 tid, u16 *ssn) | |
0c817338 LF |
1145 | { |
1146 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1147 | struct rtl_tid_data *tid_data; | |
1148 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
acd48572 | 1149 | struct rtl_sta_info *sta_entry = NULL; |
0c817338 | 1150 | |
acd48572 C |
1151 | if (sta == NULL) |
1152 | return -EINVAL; | |
0c817338 LF |
1153 | |
1154 | if (unlikely(tid >= MAX_TID_COUNT)) | |
1155 | return -EINVAL; | |
1156 | ||
acd48572 C |
1157 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
1158 | if (!sta_entry) | |
0c817338 | 1159 | return -ENXIO; |
acd48572 | 1160 | tid_data = &sta_entry->tids[tid]; |
0c817338 | 1161 | |
f30d7507 JP |
1162 | RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d seq:%d\n", |
1163 | sta->addr, tid, tid_data->seq_number); | |
0c817338 | 1164 | |
acd48572 C |
1165 | *ssn = tid_data->seq_number; |
1166 | tid_data->agg.agg_state = RTL_AGG_START; | |
0c817338 | 1167 | |
acd48572 | 1168 | ieee80211_start_tx_ba_cb_irqsafe(mac->vif, sta->addr, tid); |
0c817338 LF |
1169 | |
1170 | return 0; | |
1171 | } | |
1172 | ||
acd48572 C |
1173 | int rtl_tx_agg_stop(struct ieee80211_hw *hw, |
1174 | struct ieee80211_sta *sta, u16 tid) | |
0c817338 | 1175 | { |
0c817338 LF |
1176 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
1177 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
acd48572 | 1178 | struct rtl_sta_info *sta_entry = NULL; |
0c817338 | 1179 | |
acd48572 C |
1180 | if (sta == NULL) |
1181 | return -EINVAL; | |
0c817338 | 1182 | |
acd48572 | 1183 | if (!sta->addr) { |
f30d7507 | 1184 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n"); |
0c817338 LF |
1185 | return -EINVAL; |
1186 | } | |
1187 | ||
f30d7507 JP |
1188 | RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d\n", |
1189 | sta->addr, tid); | |
acd48572 | 1190 | |
0c817338 LF |
1191 | if (unlikely(tid >= MAX_TID_COUNT)) |
1192 | return -EINVAL; | |
1193 | ||
acd48572 | 1194 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
acd48572 | 1195 | sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; |
0c817338 | 1196 | |
acd48572 | 1197 | ieee80211_stop_tx_ba_cb_irqsafe(mac->vif, sta->addr, tid); |
0c817338 | 1198 | |
acd48572 C |
1199 | return 0; |
1200 | } | |
1201 | ||
26634c4b LF |
1202 | int rtl_rx_agg_start(struct ieee80211_hw *hw, |
1203 | struct ieee80211_sta *sta, u16 tid) | |
1204 | { | |
1205 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1206 | struct rtl_tid_data *tid_data; | |
1207 | struct rtl_sta_info *sta_entry = NULL; | |
1208 | ||
1209 | if (sta == NULL) | |
1210 | return -EINVAL; | |
1211 | ||
1212 | if (unlikely(tid >= MAX_TID_COUNT)) | |
1213 | return -EINVAL; | |
1214 | ||
1215 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
1216 | if (!sta_entry) | |
1217 | return -ENXIO; | |
1218 | tid_data = &sta_entry->tids[tid]; | |
1219 | ||
1220 | RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG, | |
1221 | "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, | |
1222 | tid_data->seq_number); | |
1223 | ||
1224 | tid_data->agg.rx_agg_state = RTL_RX_AGG_START; | |
1225 | return 0; | |
1226 | } | |
1227 | ||
1228 | int rtl_rx_agg_stop(struct ieee80211_hw *hw, | |
1229 | struct ieee80211_sta *sta, u16 tid) | |
1230 | { | |
1231 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1232 | struct rtl_sta_info *sta_entry = NULL; | |
1233 | ||
1234 | if (sta == NULL) | |
1235 | return -EINVAL; | |
1236 | ||
1237 | if (!sta->addr) { | |
1238 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n"); | |
1239 | return -EINVAL; | |
1240 | } | |
1241 | ||
1242 | RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, | |
1243 | "on ra = %pM tid = %d\n", sta->addr, tid); | |
1244 | ||
1245 | if (unlikely(tid >= MAX_TID_COUNT)) | |
1246 | return -EINVAL; | |
1247 | ||
1248 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
1249 | sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; | |
1250 | ||
1251 | return 0; | |
1252 | } | |
1253 | ||
acd48572 C |
1254 | int rtl_tx_agg_oper(struct ieee80211_hw *hw, |
1255 | struct ieee80211_sta *sta, u16 tid) | |
1256 | { | |
1257 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
acd48572 | 1258 | struct rtl_sta_info *sta_entry = NULL; |
0c817338 | 1259 | |
acd48572 C |
1260 | if (sta == NULL) |
1261 | return -EINVAL; | |
1262 | ||
1263 | if (!sta->addr) { | |
f30d7507 | 1264 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n"); |
acd48572 C |
1265 | return -EINVAL; |
1266 | } | |
0c817338 | 1267 | |
f30d7507 JP |
1268 | RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d\n", |
1269 | sta->addr, tid); | |
0c817338 | 1270 | |
acd48572 C |
1271 | if (unlikely(tid >= MAX_TID_COUNT)) |
1272 | return -EINVAL; | |
0c817338 | 1273 | |
acd48572 | 1274 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
acd48572 | 1275 | sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; |
0c817338 LF |
1276 | |
1277 | return 0; | |
1278 | } | |
1279 | ||
1280 | /********************************************************* | |
1281 | * | |
1282 | * wq & timer callback functions | |
1283 | * | |
1284 | *********************************************************/ | |
26634c4b LF |
1285 | /* this function is used for roaming */ |
1286 | void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) | |
1287 | { | |
1288 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1289 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
1290 | ||
1291 | if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) | |
1292 | return; | |
1293 | ||
1294 | if (rtlpriv->mac80211.link_state < MAC80211_LINKED) | |
1295 | return; | |
1296 | ||
1297 | /* check if this really is a beacon */ | |
1298 | if (!ieee80211_is_beacon(hdr->frame_control) && | |
1299 | !ieee80211_is_probe_resp(hdr->frame_control)) | |
1300 | return; | |
1301 | ||
1302 | /* min. beacon length + FCS_LEN */ | |
1303 | if (skb->len <= 40 + FCS_LEN) | |
1304 | return; | |
1305 | ||
1306 | /* and only beacons from the associated BSSID, please */ | |
7367d0b5 | 1307 | if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) |
26634c4b LF |
1308 | return; |
1309 | ||
1310 | rtlpriv->link_info.bcn_rx_inperiod++; | |
1311 | } | |
6f334c2b | 1312 | EXPORT_SYMBOL_GPL(rtl_beacon_statistic); |
26634c4b | 1313 | |
0c817338 LF |
1314 | void rtl_watchdog_wq_callback(void *data) |
1315 | { | |
1316 | struct rtl_works *rtlworks = container_of_dwork_rtl(data, | |
1317 | struct rtl_works, | |
1318 | watchdog_wq); | |
1319 | struct ieee80211_hw *hw = rtlworks->hw; | |
1320 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1321 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
1322 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
7ea47240 | 1323 | bool busytraffic = false; |
26634c4b LF |
1324 | bool tx_busy_traffic = false; |
1325 | bool rx_busy_traffic = false; | |
7ea47240 LF |
1326 | bool higher_busytraffic = false; |
1327 | bool higher_busyrxtraffic = false; | |
acd48572 | 1328 | u8 idx, tid; |
0c817338 LF |
1329 | u32 rx_cnt_inp4eriod = 0; |
1330 | u32 tx_cnt_inp4eriod = 0; | |
1331 | u32 aver_rx_cnt_inperiod = 0; | |
1332 | u32 aver_tx_cnt_inperiod = 0; | |
acd48572 C |
1333 | u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; |
1334 | u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; | |
0c817338 LF |
1335 | |
1336 | if (is_hal_stop(rtlhal)) | |
1337 | return; | |
1338 | ||
1339 | /* <1> Determine if action frame is allowed */ | |
1340 | if (mac->link_state > MAC80211_NOLINK) { | |
1341 | if (mac->cnt_after_linked < 20) | |
1342 | mac->cnt_after_linked++; | |
1343 | } else { | |
1344 | mac->cnt_after_linked = 0; | |
1345 | } | |
1346 | ||
0c817338 | 1347 | /* |
09e92f0b | 1348 | *<2> to check if traffic busy, if |
0c817338 LF |
1349 | * busytraffic we don't change channel |
1350 | */ | |
1351 | if (mac->link_state >= MAC80211_LINKED) { | |
1352 | ||
1353 | /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ | |
1354 | for (idx = 0; idx <= 2; idx++) { | |
1355 | rtlpriv->link_info.num_rx_in4period[idx] = | |
1356 | rtlpriv->link_info.num_rx_in4period[idx + 1]; | |
1357 | rtlpriv->link_info.num_tx_in4period[idx] = | |
1358 | rtlpriv->link_info.num_tx_in4period[idx + 1]; | |
1359 | } | |
1360 | rtlpriv->link_info.num_rx_in4period[3] = | |
1361 | rtlpriv->link_info.num_rx_inperiod; | |
1362 | rtlpriv->link_info.num_tx_in4period[3] = | |
1363 | rtlpriv->link_info.num_tx_inperiod; | |
1364 | for (idx = 0; idx <= 3; idx++) { | |
1365 | rx_cnt_inp4eriod += | |
1366 | rtlpriv->link_info.num_rx_in4period[idx]; | |
1367 | tx_cnt_inp4eriod += | |
1368 | rtlpriv->link_info.num_tx_in4period[idx]; | |
1369 | } | |
1370 | aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; | |
1371 | aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; | |
1372 | ||
1373 | /* (2) check traffic busy */ | |
26634c4b | 1374 | if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { |
7ea47240 | 1375 | busytraffic = true; |
26634c4b LF |
1376 | if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) |
1377 | rx_busy_traffic = true; | |
1378 | else | |
1379 | tx_busy_traffic = false; | |
1380 | } | |
0c817338 LF |
1381 | |
1382 | /* Higher Tx/Rx data. */ | |
1383 | if (aver_rx_cnt_inperiod > 4000 || | |
1384 | aver_tx_cnt_inperiod > 4000) { | |
7ea47240 | 1385 | higher_busytraffic = true; |
0c817338 LF |
1386 | |
1387 | /* Extremely high Rx data. */ | |
1388 | if (aver_rx_cnt_inperiod > 5000) | |
7ea47240 | 1389 | higher_busyrxtraffic = true; |
acd48572 C |
1390 | } |
1391 | ||
1392 | /* check every tid's tx traffic */ | |
1393 | for (tid = 0; tid <= 7; tid++) { | |
1394 | for (idx = 0; idx <= 2; idx++) | |
1395 | rtlpriv->link_info.tidtx_in4period[tid][idx] = | |
1396 | rtlpriv->link_info.tidtx_in4period[tid] | |
1397 | [idx + 1]; | |
1398 | rtlpriv->link_info.tidtx_in4period[tid][3] = | |
1399 | rtlpriv->link_info.tidtx_inperiod[tid]; | |
1400 | ||
1401 | for (idx = 0; idx <= 3; idx++) | |
1402 | tidtx_inp4eriod[tid] += | |
1403 | rtlpriv->link_info.tidtx_in4period[tid][idx]; | |
1404 | aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; | |
1405 | if (aver_tidtx_inperiod[tid] > 5000) | |
1406 | rtlpriv->link_info.higher_busytxtraffic[tid] = | |
1407 | true; | |
0c817338 | 1408 | else |
acd48572 C |
1409 | rtlpriv->link_info.higher_busytxtraffic[tid] = |
1410 | false; | |
0c817338 LF |
1411 | } |
1412 | ||
1413 | if (((rtlpriv->link_info.num_rx_inperiod + | |
1414 | rtlpriv->link_info.num_tx_inperiod) > 8) || | |
1415 | (rtlpriv->link_info.num_rx_inperiod > 2)) | |
a269913c | 1416 | rtlpriv->enter_ps = true; |
0c817338 | 1417 | else |
a269913c | 1418 | rtlpriv->enter_ps = false; |
0c817338 LF |
1419 | |
1420 | /* LeisurePS only work in infra mode. */ | |
a269913c | 1421 | schedule_work(&rtlpriv->works.lps_change_work); |
0c817338 LF |
1422 | } |
1423 | ||
1424 | rtlpriv->link_info.num_rx_inperiod = 0; | |
1425 | rtlpriv->link_info.num_tx_inperiod = 0; | |
acd48572 C |
1426 | for (tid = 0; tid <= 7; tid++) |
1427 | rtlpriv->link_info.tidtx_inperiod[tid] = 0; | |
0c817338 | 1428 | |
7ea47240 LF |
1429 | rtlpriv->link_info.busytraffic = busytraffic; |
1430 | rtlpriv->link_info.higher_busytraffic = higher_busytraffic; | |
26634c4b LF |
1431 | rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; |
1432 | rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; | |
7ea47240 | 1433 | rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; |
0c817338 | 1434 | |
acd48572 C |
1435 | /* <3> DM */ |
1436 | rtlpriv->cfg->ops->dm_watchdog(hw); | |
26634c4b LF |
1437 | |
1438 | /* <4> roaming */ | |
1439 | if (mac->link_state == MAC80211_LINKED && | |
1440 | mac->opmode == NL80211_IFTYPE_STATION) { | |
1441 | if ((rtlpriv->link_info.bcn_rx_inperiod + | |
1442 | rtlpriv->link_info.num_rx_inperiod) == 0) { | |
1443 | rtlpriv->link_info.roam_times++; | |
1444 | RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, | |
1445 | "AP off for %d s\n", | |
1446 | (rtlpriv->link_info.roam_times * 2)); | |
1447 | ||
1448 | /* if we can't recv beacon for 6s, we should | |
1449 | * reconnect this AP | |
1450 | */ | |
1451 | if (rtlpriv->link_info.roam_times >= 3) { | |
1452 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
1453 | "AP off, try to reconnect now\n"); | |
1454 | rtlpriv->link_info.roam_times = 0; | |
1455 | ieee80211_connection_loss(rtlpriv->mac80211.vif); | |
1456 | } | |
1457 | } else { | |
1458 | rtlpriv->link_info.roam_times = 0; | |
1459 | } | |
1460 | } | |
1461 | rtlpriv->link_info.bcn_rx_inperiod = 0; | |
0c817338 LF |
1462 | } |
1463 | ||
1464 | void rtl_watch_dog_timer_callback(unsigned long data) | |
1465 | { | |
1466 | struct ieee80211_hw *hw = (struct ieee80211_hw *)data; | |
1467 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1468 | ||
1469 | queue_delayed_work(rtlpriv->works.rtl_wq, | |
1470 | &rtlpriv->works.watchdog_wq, 0); | |
1471 | ||
1472 | mod_timer(&rtlpriv->works.watchdog_timer, | |
1473 | jiffies + MSECS(RTL_WATCH_DOG_TIME)); | |
1474 | } | |
1475 | ||
26634c4b LF |
1476 | void rtl_fwevt_wq_callback(void *data) |
1477 | { | |
1478 | struct rtl_works *rtlworks = | |
1479 | container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); | |
1480 | struct ieee80211_hw *hw = rtlworks->hw; | |
1481 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1482 | ||
1483 | rtlpriv->cfg->ops->c2h_command_handle(hw); | |
1484 | } | |
1485 | ||
1486 | void rtl_easy_concurrent_retrytimer_callback(unsigned long data) | |
1487 | { | |
1488 | struct ieee80211_hw *hw = (struct ieee80211_hw *)data; | |
1489 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1490 | struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; | |
1491 | ||
1492 | if (buddy_priv == NULL) | |
1493 | return; | |
1494 | ||
1495 | rtlpriv->cfg->ops->dualmac_easy_concurrent(hw); | |
1496 | } | |
1497 | ||
acd48572 C |
1498 | /********************************************************* |
1499 | * | |
1500 | * frame process functions | |
1501 | * | |
1502 | *********************************************************/ | |
1503 | u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) | |
1504 | { | |
1505 | struct ieee80211_mgmt *mgmt = (void *)data; | |
1506 | u8 *pos, *end; | |
1507 | ||
1508 | pos = (u8 *)mgmt->u.beacon.variable; | |
1509 | end = data + len; | |
1510 | while (pos < end) { | |
1511 | if (pos + 2 + pos[1] > end) | |
1512 | return NULL; | |
1513 | ||
1514 | if (pos[0] == ie) | |
1515 | return pos; | |
1516 | ||
1517 | pos += 2 + pos[1]; | |
1518 | } | |
1519 | return NULL; | |
1520 | } | |
1521 | ||
1522 | /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ | |
1523 | /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ | |
d3bb1429 | 1524 | static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, |
acd48572 C |
1525 | enum ieee80211_smps_mode smps, u8 *da, u8 *bssid) |
1526 | { | |
1527 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
1528 | struct sk_buff *skb; | |
1529 | struct ieee80211_mgmt *action_frame; | |
1530 | ||
1531 | /* 27 = header + category + action + smps mode */ | |
1532 | skb = dev_alloc_skb(27 + hw->extra_tx_headroom); | |
1533 | if (!skb) | |
1534 | return NULL; | |
1535 | ||
1536 | skb_reserve(skb, hw->extra_tx_headroom); | |
1537 | action_frame = (void *)skb_put(skb, 27); | |
1538 | memset(action_frame, 0, 27); | |
1539 | memcpy(action_frame->da, da, ETH_ALEN); | |
1540 | memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); | |
1541 | memcpy(action_frame->bssid, bssid, ETH_ALEN); | |
1542 | action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
1543 | IEEE80211_STYPE_ACTION); | |
1544 | action_frame->u.action.category = WLAN_CATEGORY_HT; | |
1545 | action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; | |
1546 | switch (smps) { | |
1547 | case IEEE80211_SMPS_AUTOMATIC:/* 0 */ | |
1548 | case IEEE80211_SMPS_NUM_MODES:/* 4 */ | |
1549 | WARN_ON(1); | |
1550 | case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ | |
1551 | action_frame->u.action.u.ht_smps.smps_control = | |
1552 | WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ | |
1553 | break; | |
1554 | case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ | |
1555 | action_frame->u.action.u.ht_smps.smps_control = | |
1556 | WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ | |
1557 | break; | |
1558 | case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ | |
1559 | action_frame->u.action.u.ht_smps.smps_control = | |
1560 | WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ | |
1561 | break; | |
1562 | } | |
1563 | ||
1564 | return skb; | |
1565 | } | |
1566 | ||
1567 | int rtl_send_smps_action(struct ieee80211_hw *hw, | |
26634c4b | 1568 | struct ieee80211_sta *sta, |
acd48572 C |
1569 | enum ieee80211_smps_mode smps) |
1570 | { | |
1571 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1572 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
1573 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
26634c4b | 1574 | struct sk_buff *skb = NULL; |
acd48572 | 1575 | struct rtl_tcb_desc tcb_desc; |
26634c4b LF |
1576 | u8 bssid[ETH_ALEN] = {0}; |
1577 | ||
acd48572 C |
1578 | memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); |
1579 | ||
1580 | if (rtlpriv->mac80211.act_scanning) | |
1581 | goto err_free; | |
1582 | ||
1583 | if (!sta) | |
1584 | goto err_free; | |
1585 | ||
1586 | if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) | |
1587 | goto err_free; | |
1588 | ||
1589 | if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) | |
1590 | goto err_free; | |
1591 | ||
26634c4b LF |
1592 | if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) |
1593 | memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); | |
1594 | else | |
1595 | memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); | |
1596 | ||
1597 | skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); | |
acd48572 C |
1598 | /* this is a type = mgmt * stype = action frame */ |
1599 | if (skb) { | |
1600 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
1601 | struct rtl_sta_info *sta_entry = | |
1602 | (struct rtl_sta_info *) sta->drv_priv; | |
1603 | sta_entry->mimo_ps = smps; | |
acd48572 C |
1604 | |
1605 | info->control.rates[0].idx = 0; | |
675a0b04 | 1606 | info->band = hw->conf.chandef.chan->band; |
36323f81 | 1607 | rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); |
acd48572 | 1608 | } |
26634c4b LF |
1609 | return 1; |
1610 | ||
acd48572 C |
1611 | err_free: |
1612 | return 0; | |
1613 | } | |
26634c4b LF |
1614 | EXPORT_SYMBOL(rtl_send_smps_action); |
1615 | ||
4f4826da LF |
1616 | void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) |
1617 | { | |
1618 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1619 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
1620 | enum io_type iotype; | |
1621 | ||
1622 | if (!is_hal_stop(rtlhal)) { | |
1623 | switch (operation) { | |
1624 | case SCAN_OPT_BACKUP: | |
1625 | iotype = IO_CMD_PAUSE_DM_BY_SCAN; | |
1626 | rtlpriv->cfg->ops->set_hw_reg(hw, | |
1627 | HW_VAR_IO_CMD, | |
1628 | (u8 *)&iotype); | |
1629 | break; | |
1630 | case SCAN_OPT_RESTORE: | |
1631 | iotype = IO_CMD_RESUME_DM_BY_SCAN; | |
1632 | rtlpriv->cfg->ops->set_hw_reg(hw, | |
1633 | HW_VAR_IO_CMD, | |
1634 | (u8 *)&iotype); | |
1635 | break; | |
1636 | default: | |
1637 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
1638 | "Unknown Scan Backup operation.\n"); | |
1639 | break; | |
1640 | } | |
1641 | } | |
1642 | } | |
1643 | EXPORT_SYMBOL(rtl_phy_scan_operation_backup); | |
1644 | ||
26634c4b LF |
1645 | /* There seem to be issues in mac80211 regarding when del ba frames can be |
1646 | * received. As a work around, we make a fake del_ba if we receive a ba_req; | |
1647 | * however, rx_agg was opened to let mac80211 release some ba related | |
1648 | * resources. This del_ba is for tx only. | |
1649 | */ | |
1650 | struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, | |
1651 | u8 *sa, u8 *bssid, u16 tid) | |
1652 | { | |
1653 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
1654 | struct sk_buff *skb; | |
1655 | struct ieee80211_mgmt *action_frame; | |
1656 | u16 params; | |
1657 | ||
1658 | /* 27 = header + category + action + smps mode */ | |
1659 | skb = dev_alloc_skb(34 + hw->extra_tx_headroom); | |
1660 | if (!skb) | |
1661 | return NULL; | |
1662 | ||
1663 | skb_reserve(skb, hw->extra_tx_headroom); | |
1664 | action_frame = (void *)skb_put(skb, 34); | |
1665 | memset(action_frame, 0, 34); | |
1666 | memcpy(action_frame->sa, sa, ETH_ALEN); | |
1667 | memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); | |
1668 | memcpy(action_frame->bssid, bssid, ETH_ALEN); | |
1669 | action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
1670 | IEEE80211_STYPE_ACTION); | |
1671 | action_frame->u.action.category = WLAN_CATEGORY_BACK; | |
1672 | action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; | |
1673 | params = (u16)(1 << 11); /* bit 11 initiator */ | |
1674 | params |= (u16)(tid << 12); /* bit 15:12 TID number */ | |
1675 | ||
1676 | action_frame->u.action.u.delba.params = cpu_to_le16(params); | |
1677 | action_frame->u.action.u.delba.reason_code = | |
1678 | cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); | |
1679 | ||
1680 | return skb; | |
1681 | } | |
acd48572 C |
1682 | |
1683 | /********************************************************* | |
1684 | * | |
1685 | * IOT functions | |
1686 | * | |
1687 | *********************************************************/ | |
1688 | static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, | |
1689 | struct octet_string vendor_ie) | |
1690 | { | |
1691 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1692 | bool matched = false; | |
1693 | static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; | |
1694 | static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; | |
1695 | static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; | |
1696 | static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; | |
1697 | static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; | |
1698 | static u8 racap[] = { 0x00, 0x0c, 0x43 }; | |
1699 | static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; | |
1700 | static u8 marvcap[] = { 0x00, 0x50, 0x43 }; | |
1701 | ||
1702 | if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || | |
1703 | memcmp(vendor_ie.octet, athcap_2, 3) == 0) { | |
1704 | rtlpriv->mac80211.vendor = PEER_ATH; | |
1705 | matched = true; | |
1706 | } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || | |
1707 | memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || | |
1708 | memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { | |
1709 | rtlpriv->mac80211.vendor = PEER_BROAD; | |
1710 | matched = true; | |
1711 | } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { | |
1712 | rtlpriv->mac80211.vendor = PEER_RAL; | |
1713 | matched = true; | |
1714 | } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { | |
1715 | rtlpriv->mac80211.vendor = PEER_CISCO; | |
1716 | matched = true; | |
1717 | } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { | |
1718 | rtlpriv->mac80211.vendor = PEER_MARV; | |
1719 | matched = true; | |
1720 | } | |
1721 | ||
1722 | return matched; | |
1723 | } | |
1724 | ||
d3bb1429 | 1725 | static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, |
acd48572 C |
1726 | unsigned int len) |
1727 | { | |
1728 | struct ieee80211_mgmt *mgmt = (void *)data; | |
1729 | struct octet_string vendor_ie; | |
1730 | u8 *pos, *end; | |
1731 | ||
1732 | pos = (u8 *)mgmt->u.beacon.variable; | |
1733 | end = data + len; | |
1734 | while (pos < end) { | |
1735 | if (pos[0] == 221) { | |
1736 | vendor_ie.length = pos[1]; | |
1737 | vendor_ie.octet = &pos[2]; | |
1738 | if (rtl_chk_vendor_ouisub(hw, vendor_ie)) | |
1739 | return true; | |
1740 | } | |
1741 | ||
1742 | if (pos + 2 + pos[1] > end) | |
1743 | return false; | |
1744 | ||
1745 | pos += 2 + pos[1]; | |
1746 | } | |
1747 | return false; | |
1748 | } | |
1749 | ||
1750 | void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) | |
1751 | { | |
1752 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1753 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
1754 | struct ieee80211_hdr *hdr = (void *)data; | |
1755 | u32 vendor = PEER_UNKNOWN; | |
1756 | ||
1757 | static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; | |
1758 | static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; | |
1759 | static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; | |
1760 | static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; | |
1761 | static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; | |
1762 | static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; | |
1763 | static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; | |
1764 | static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; | |
1765 | static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; | |
1766 | static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; | |
1767 | static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; | |
1768 | static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; | |
1769 | static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; | |
1770 | static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; | |
1771 | static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; | |
1772 | static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; | |
1773 | ||
1774 | if (mac->opmode != NL80211_IFTYPE_STATION) | |
1775 | return; | |
1776 | ||
1777 | if (mac->link_state == MAC80211_NOLINK) { | |
1778 | mac->vendor = PEER_UNKNOWN; | |
1779 | return; | |
1780 | } | |
1781 | ||
1782 | if (mac->cnt_after_linked > 2) | |
1783 | return; | |
1784 | ||
1785 | /* check if this really is a beacon */ | |
1786 | if (!ieee80211_is_beacon(hdr->frame_control)) | |
1787 | return; | |
1788 | ||
1789 | /* min. beacon length + FCS_LEN */ | |
1790 | if (len <= 40 + FCS_LEN) | |
1791 | return; | |
1792 | ||
1793 | /* and only beacons from the associated BSSID, please */ | |
2e42e474 | 1794 | if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) |
acd48572 C |
1795 | return; |
1796 | ||
1797 | if (rtl_find_221_ie(hw, data, len)) | |
1798 | vendor = mac->vendor; | |
1799 | ||
1800 | if ((memcmp(mac->bssid, ap5_1, 3) == 0) || | |
1801 | (memcmp(mac->bssid, ap5_2, 3) == 0) || | |
1802 | (memcmp(mac->bssid, ap5_3, 3) == 0) || | |
1803 | (memcmp(mac->bssid, ap5_4, 3) == 0) || | |
1804 | (memcmp(mac->bssid, ap5_5, 3) == 0) || | |
1805 | (memcmp(mac->bssid, ap5_6, 3) == 0) || | |
1806 | vendor == PEER_ATH) { | |
1807 | vendor = PEER_ATH; | |
f30d7507 | 1808 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); |
acd48572 C |
1809 | } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || |
1810 | (memcmp(mac->bssid, ap4_5, 3) == 0) || | |
1811 | (memcmp(mac->bssid, ap4_1, 3) == 0) || | |
1812 | (memcmp(mac->bssid, ap4_2, 3) == 0) || | |
1813 | (memcmp(mac->bssid, ap4_3, 3) == 0) || | |
1814 | vendor == PEER_RAL) { | |
f30d7507 | 1815 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); |
acd48572 C |
1816 | vendor = PEER_RAL; |
1817 | } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || | |
1818 | vendor == PEER_CISCO) { | |
1819 | vendor = PEER_CISCO; | |
f30d7507 | 1820 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); |
acd48572 C |
1821 | } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || |
1822 | (memcmp(mac->bssid, ap3_2, 3) == 0) || | |
1823 | (memcmp(mac->bssid, ap3_3, 3) == 0) || | |
1824 | vendor == PEER_BROAD) { | |
f30d7507 | 1825 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); |
acd48572 C |
1826 | vendor = PEER_BROAD; |
1827 | } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || | |
1828 | vendor == PEER_MARV) { | |
1829 | vendor = PEER_MARV; | |
f30d7507 | 1830 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); |
acd48572 C |
1831 | } |
1832 | ||
1833 | mac->vendor = vendor; | |
1834 | } | |
6f334c2b | 1835 | EXPORT_SYMBOL_GPL(rtl_recognize_peer); |
acd48572 | 1836 | |
0c817338 LF |
1837 | /********************************************************* |
1838 | * | |
1839 | * sysfs functions | |
1840 | * | |
1841 | *********************************************************/ | |
1842 | static ssize_t rtl_show_debug_level(struct device *d, | |
1843 | struct device_attribute *attr, char *buf) | |
1844 | { | |
1845 | struct ieee80211_hw *hw = dev_get_drvdata(d); | |
1846 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1847 | ||
1848 | return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel); | |
1849 | } | |
1850 | ||
1851 | static ssize_t rtl_store_debug_level(struct device *d, | |
1852 | struct device_attribute *attr, | |
1853 | const char *buf, size_t count) | |
1854 | { | |
1855 | struct ieee80211_hw *hw = dev_get_drvdata(d); | |
1856 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1857 | unsigned long val; | |
1858 | int ret; | |
1859 | ||
27d7f477 | 1860 | ret = kstrtoul(buf, 0, &val); |
0c817338 LF |
1861 | if (ret) { |
1862 | printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf); | |
1863 | } else { | |
1864 | rtlpriv->dbg.global_debuglevel = val; | |
1865 | printk(KERN_DEBUG "debuglevel:%x\n", | |
1866 | rtlpriv->dbg.global_debuglevel); | |
1867 | } | |
1868 | ||
1869 | return strnlen(buf, count); | |
1870 | } | |
1871 | ||
1872 | static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, | |
1873 | rtl_show_debug_level, rtl_store_debug_level); | |
1874 | ||
1875 | static struct attribute *rtl_sysfs_entries[] = { | |
1876 | ||
1877 | &dev_attr_debug_level.attr, | |
1878 | ||
1879 | NULL | |
1880 | }; | |
1881 | ||
1882 | /* | |
1883 | * "name" is folder name witch will be | |
1884 | * put in device directory like : | |
1885 | * sys/devices/pci0000:00/0000:00:1c.4/ | |
1886 | * 0000:06:00.0/rtl_sysfs | |
1887 | */ | |
1888 | struct attribute_group rtl_attribute_group = { | |
1889 | .name = "rtlsysfs", | |
1890 | .attrs = rtl_sysfs_entries, | |
1891 | }; | |
6f334c2b | 1892 | EXPORT_SYMBOL_GPL(rtl_attribute_group); |
0c817338 LF |
1893 | |
1894 | MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); | |
1895 | MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); | |
1896 | MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); | |
1897 | MODULE_LICENSE("GPL"); | |
1898 | MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); | |
1899 | ||
6f334c2b LF |
1900 | struct rtl_global_var rtl_global_var = {}; |
1901 | EXPORT_SYMBOL_GPL(rtl_global_var); | |
26634c4b | 1902 | |
0c817338 LF |
1903 | static int __init rtl_core_module_init(void) |
1904 | { | |
375ff4c7 | 1905 | if (rtl_rate_control_register()) |
292b1192 | 1906 | pr_err("Unable to register rtl_rc, use default RC !!\n"); |
acd48572 | 1907 | |
26634c4b | 1908 | /* init some global vars */ |
6f334c2b LF |
1909 | INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); |
1910 | spin_lock_init(&rtl_global_var.glb_list_lock); | |
26634c4b | 1911 | |
0c817338 LF |
1912 | return 0; |
1913 | } | |
1914 | ||
1915 | static void __exit rtl_core_module_exit(void) | |
1916 | { | |
acd48572 | 1917 | /*RC*/ |
375ff4c7 | 1918 | rtl_rate_control_unregister(); |
0c817338 LF |
1919 | } |
1920 | ||
1921 | module_init(rtl_core_module_init); | |
1922 | module_exit(rtl_core_module_exit); |