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mm/zsmalloc: allocate exactly size of struct zs_pool
[linux/fpc-iii.git] / drivers / net / wireless / rtlwifi / core.c
blob5fc6f52641bdf61bcf31739fc47f7f1d78596f87
1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2012 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 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
16 *
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
21 *
22 * Larry Finger <Larry.Finger@lwfinger.net>
23 *
24 *****************************************************************************/
25
26 #include "wifi.h"
27 #include "core.h"
28 #include "cam.h"
29 #include "base.h"
30 #include "ps.h"
31 #include "pwrseqcmd.h"
32
33 #include "btcoexist/rtl_btc.h"
34 #include <linux/firmware.h>
35 #include <linux/export.h>
36 #include <net/cfg80211.h>
37
38 void rtl_addr_delay(u32 addr)
39 {
40 if (addr == 0xfe)
41 mdelay(50);
42 else if (addr == 0xfd)
43 mdelay(5);
44 else if (addr == 0xfc)
45 mdelay(1);
46 else if (addr == 0xfb)
47 udelay(50);
48 else if (addr == 0xfa)
49 udelay(5);
50 else if (addr == 0xf9)
51 udelay(1);
52 }
53 EXPORT_SYMBOL(rtl_addr_delay);
54
55 void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
56 u32 mask, u32 data)
57 {
58 if (addr == 0xfe) {
59 mdelay(50);
60 } else if (addr == 0xfd) {
61 mdelay(5);
62 } else if (addr == 0xfc) {
63 mdelay(1);
64 } else if (addr == 0xfb) {
65 udelay(50);
66 } else if (addr == 0xfa) {
67 udelay(5);
68 } else if (addr == 0xf9) {
69 udelay(1);
70 } else {
71 rtl_set_rfreg(hw, rfpath, addr, mask, data);
72 udelay(1);
73 }
74 }
75 EXPORT_SYMBOL(rtl_rfreg_delay);
76
77 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data)
78 {
79 if (addr == 0xfe) {
80 mdelay(50);
81 } else if (addr == 0xfd) {
82 mdelay(5);
83 } else if (addr == 0xfc) {
84 mdelay(1);
85 } else if (addr == 0xfb) {
86 udelay(50);
87 } else if (addr == 0xfa) {
88 udelay(5);
89 } else if (addr == 0xf9) {
90 udelay(1);
91 } else {
92 rtl_set_bbreg(hw, addr, MASKDWORD, data);
93 udelay(1);
94 }
95 }
96 EXPORT_SYMBOL(rtl_bb_delay);
97
98 void rtl_fw_cb(const struct firmware *firmware, void *context)
99 {
100 struct ieee80211_hw *hw = context;
101 struct rtl_priv *rtlpriv = rtl_priv(hw);
102 int err;
103
104 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
105 "Firmware callback routine entered!\n");
106 complete(&rtlpriv->firmware_loading_complete);
107 if (!firmware) {
108 if (rtlpriv->cfg->alt_fw_name) {
109 err = request_firmware(&firmware,
110 rtlpriv->cfg->alt_fw_name,
111 rtlpriv->io.dev);
112 pr_info("Loading alternative firmware %s\n",
113 rtlpriv->cfg->alt_fw_name);
114 if (!err)
115 goto found_alt;
116 }
117 pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
118 rtlpriv->max_fw_size = 0;
119 return;
120 }
121 found_alt:
122 if (firmware->size > rtlpriv->max_fw_size) {
123 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
124 "Firmware is too big!\n");
125 release_firmware(firmware);
126 return;
127 }
128 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size);
129 rtlpriv->rtlhal.fwsize = firmware->size;
130 release_firmware(firmware);
131 }
132 EXPORT_SYMBOL(rtl_fw_cb);
133
134 /*mutex for start & stop is must here. */
135 static int rtl_op_start(struct ieee80211_hw *hw)
136 {
137 int err = 0;
138 struct rtl_priv *rtlpriv = rtl_priv(hw);
139 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
140
141 if (!is_hal_stop(rtlhal))
142 return 0;
143 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
144 return 0;
145 mutex_lock(&rtlpriv->locks.conf_mutex);
146 err = rtlpriv->intf_ops->adapter_start(hw);
147 if (!err)
148 rtl_watch_dog_timer_callback((unsigned long)hw);
149 mutex_unlock(&rtlpriv->locks.conf_mutex);
150 return err;
151 }
152
153 static void rtl_op_stop(struct ieee80211_hw *hw)
154 {
155 struct rtl_priv *rtlpriv = rtl_priv(hw);
156 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
157 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
158 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
159 bool support_remote_wakeup = false;
160
161 if (is_hal_stop(rtlhal))
162 return;
163
164 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
165 (u8 *)(&support_remote_wakeup));
166 /* here is must, because adhoc do stop and start,
167 * but stop with RFOFF may cause something wrong,
168 * like adhoc TP
169 */
170 if (unlikely(ppsc->rfpwr_state == ERFOFF))
171 rtl_ips_nic_on(hw);
172
173 mutex_lock(&rtlpriv->locks.conf_mutex);
174 /* if wowlan supported, DON'T clear connected info */
175 if (!(support_remote_wakeup &&
176 rtlhal->enter_pnp_sleep)) {
177 mac->link_state = MAC80211_NOLINK;
178 memset(mac->bssid, 0, 6);
179 mac->vendor = PEER_UNKNOWN;
180
181 /* reset sec info */
182 rtl_cam_reset_sec_info(hw);
183
184 rtl_deinit_deferred_work(hw);
185 }
186 rtlpriv->intf_ops->adapter_stop(hw);
187
188 mutex_unlock(&rtlpriv->locks.conf_mutex);
189 }
190
191 static void rtl_op_tx(struct ieee80211_hw *hw,
192 struct ieee80211_tx_control *control,
193 struct sk_buff *skb)
194 {
195 struct rtl_priv *rtlpriv = rtl_priv(hw);
196 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
197 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
198 struct rtl_tcb_desc tcb_desc;
199 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
200
201 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
202 goto err_free;
203
204 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
205 goto err_free;
206
207 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
208 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
209 return;
210
211 err_free:
212 dev_kfree_skb_any(skb);
213 }
214
215 static int rtl_op_add_interface(struct ieee80211_hw *hw,
216 struct ieee80211_vif *vif)
217 {
218 struct rtl_priv *rtlpriv = rtl_priv(hw);
219 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
220 int err = 0;
221
222 if (mac->vif) {
223 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
224 "vif has been set!! mac->vif = 0x%p\n", mac->vif);
225 return -EOPNOTSUPP;
226 }
227
228 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
229
230 rtl_ips_nic_on(hw);
231
232 mutex_lock(&rtlpriv->locks.conf_mutex);
233 switch (ieee80211_vif_type_p2p(vif)) {
234 case NL80211_IFTYPE_P2P_CLIENT:
235 mac->p2p = P2P_ROLE_CLIENT;
236 /*fall through*/
237 case NL80211_IFTYPE_STATION:
238 if (mac->beacon_enabled == 1) {
239 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
240 "NL80211_IFTYPE_STATION\n");
241 mac->beacon_enabled = 0;
242 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
243 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
244 }
245 break;
246 case NL80211_IFTYPE_ADHOC:
247 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
248 "NL80211_IFTYPE_ADHOC\n");
249
250 mac->link_state = MAC80211_LINKED;
251 rtlpriv->cfg->ops->set_bcn_reg(hw);
252 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
253 mac->basic_rates = 0xfff;
254 else
255 mac->basic_rates = 0xff0;
256 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
257 (u8 *)(&mac->basic_rates));
258
259 break;
260 case NL80211_IFTYPE_P2P_GO:
261 mac->p2p = P2P_ROLE_GO;
262 /*fall through*/
263 case NL80211_IFTYPE_AP:
264 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
265 "NL80211_IFTYPE_AP\n");
266
267 mac->link_state = MAC80211_LINKED;
268 rtlpriv->cfg->ops->set_bcn_reg(hw);
269 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
270 mac->basic_rates = 0xfff;
271 else
272 mac->basic_rates = 0xff0;
273 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
274 (u8 *)(&mac->basic_rates));
275 break;
276 case NL80211_IFTYPE_MESH_POINT:
277 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
278 "NL80211_IFTYPE_MESH_POINT\n");
279
280 mac->link_state = MAC80211_LINKED;
281 rtlpriv->cfg->ops->set_bcn_reg(hw);
282 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
283 mac->basic_rates = 0xfff;
284 else
285 mac->basic_rates = 0xff0;
286 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
287 (u8 *)(&mac->basic_rates));
288 break;
289 default:
290 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
291 "operation mode %d is not support!\n", vif->type);
292 err = -EOPNOTSUPP;
293 goto out;
294 }
295
296 if (mac->p2p) {
297 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
298 "p2p role %x\n", vif->type);
299 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
300 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
301 (u8 *)(&mac->basic_rates));
302 }
303 mac->vif = vif;
304 mac->opmode = vif->type;
305 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
306 memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
307 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
308
309 out:
310 mutex_unlock(&rtlpriv->locks.conf_mutex);
311 return err;
312 }
313
314 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
315 struct ieee80211_vif *vif)
316 {
317 struct rtl_priv *rtlpriv = rtl_priv(hw);
318 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
319
320 mutex_lock(&rtlpriv->locks.conf_mutex);
321
322 /* Free beacon resources */
323 if ((vif->type == NL80211_IFTYPE_AP) ||
324 (vif->type == NL80211_IFTYPE_ADHOC) ||
325 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
326 if (mac->beacon_enabled == 1) {
327 mac->beacon_enabled = 0;
328 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
329 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
330 }
331 }
332
333 /*
334 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
335 *NO LINK for our hardware.
336 */
337 mac->p2p = 0;
338 mac->vif = NULL;
339 mac->link_state = MAC80211_NOLINK;
340 memset(mac->bssid, 0, ETH_ALEN);
341 mac->vendor = PEER_UNKNOWN;
342 mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
343 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
344
345 mutex_unlock(&rtlpriv->locks.conf_mutex);
346 }
347 static int rtl_op_change_interface(struct ieee80211_hw *hw,
348 struct ieee80211_vif *vif,
349 enum nl80211_iftype new_type, bool p2p)
350 {
351 struct rtl_priv *rtlpriv = rtl_priv(hw);
352 int ret;
353 rtl_op_remove_interface(hw, vif);
354
355 vif->type = new_type;
356 vif->p2p = p2p;
357 ret = rtl_op_add_interface(hw, vif);
358 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
359 "p2p %x\n", p2p);
360 return ret;
361 }
362
363 #ifdef CONFIG_PM
364 static u16 crc16_ccitt(u8 data, u16 crc)
365 {
366 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
367 u8 i;
368 u16 result;
369
370 for (i = 0; i < 8; i++) {
371 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
372 data_bit = (data & (BIT(0) << i) ? 1 : 0);
373 shift_in = crc_bit15 ^ data_bit;
374
375 result = crc << 1;
376 if (shift_in == 0)
377 result &= (~BIT(0));
378 else
379 result |= BIT(0);
380
381 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
382 if (crc_bit11 == 0)
383 result &= (~BIT(12));
384 else
385 result |= BIT(12);
386
387 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
388 if (crc_bit4 == 0)
389 result &= (~BIT(5));
390 else
391 result |= BIT(5);
392
393 crc = result;
394 }
395
396 return crc;
397 }
398
399 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
400 {
401 u16 crc = 0xffff;
402 u32 i;
403
404 for (i = 0; i < len; i++)
405 crc = crc16_ccitt(pattern[i], crc);
406
407 crc = ~crc;
408
409 return crc;
410 }
411
412 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
413 struct cfg80211_wowlan *wow)
414 {
415 struct rtl_priv *rtlpriv = rtl_priv(hw);
416 struct rtl_mac *mac = &rtlpriv->mac80211;
417 struct cfg80211_pkt_pattern *patterns = wow->patterns;
418 struct rtl_wow_pattern rtl_pattern;
419 const u8 *pattern_os, *mask_os;
420 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
421 u8 content[MAX_WOL_PATTERN_SIZE] = {0};
422 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
423 u8 multicast_addr1[2] = {0x33, 0x33};
424 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
425 u8 i, mask_len;
426 u16 j, len;
427
428 for (i = 0; i < wow->n_patterns; i++) {
429 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
430 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
431 if (patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
432 RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
433 "Pattern[%d] is too long\n", i);
434 continue;
435 }
436 pattern_os = patterns[i].pattern;
437 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
438 mask_os = patterns[i].mask;
439 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
440 "pattern content\n", pattern_os,
441 patterns[i].pattern_len);
442 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
443 "mask content\n", mask_os, mask_len);
444 /* 1. unicast? multicast? or broadcast? */
445 if (memcmp(pattern_os, broadcast_addr, 6) == 0)
446 rtl_pattern.type = BROADCAST_PATTERN;
447 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
448 memcmp(pattern_os, multicast_addr2, 3) == 0)
449 rtl_pattern.type = MULTICAST_PATTERN;
450 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0)
451 rtl_pattern.type = UNICAST_PATTERN;
452 else
453 rtl_pattern.type = UNKNOWN_TYPE;
454
455 /* 2. translate mask_from_os to mask_for_hw */
456
457 /******************************************************************************
458 * pattern from OS uses 'ethenet frame', like this:
459
460 | 6 | 6 | 2 | 20 | Variable | 4 |
461 |--------+--------+------+-----------+------------+-----|
462 | 802.3 Mac Header | IP Header | TCP Packet | FCS |
463 | DA | SA | Type |
464
465 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
466
467 | 24 or 30 | 6 | 2 | 20 | Variable | 4 |
468 |-------------------+--------+------+-----------+------------+-----|
469 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS |
470 | Others | Tpye |
471
472 * Therefore, we need translate mask_from_OS to mask_to_hw.
473 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
474 * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
475 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
476 ******************************************************************************/
477
478 /* Shift 6 bits */
479 for (j = 0; j < mask_len - 1; j++) {
480 mask[j] = mask_os[j] >> 6;
481 mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
482 }
483 mask[j] = (mask_os[j] >> 6) & 0x3F;
484 /* Set bit 0-5 to zero */
485 mask[0] &= 0xC0;
486
487 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
488 "mask to hw\n", mask, mask_len);
489 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
490 rtl_pattern.mask[j] = mask[j * 4];
491 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
492 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
493 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
494 }
495
496 /* To get the wake up pattern from the mask.
497 * We do not count first 12 bits which means
498 * DA[6] and SA[6] in the pattern to match HW design.
499 */
500 len = 0;
501 for (j = 12; j < patterns[i].pattern_len; j++) {
502 if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
503 content[len] = pattern_os[j];
504 len++;
505 }
506 }
507
508 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
509 "pattern to hw\n", content, len);
510 /* 3. calculate crc */
511 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
512 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
513 "CRC_Remainder = 0x%x", rtl_pattern.crc);
514
515 /* 4. write crc & mask_for_hw to hw */
516 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
517 }
518 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
519 }
520
521 static int rtl_op_suspend(struct ieee80211_hw *hw,
522 struct cfg80211_wowlan *wow)
523 {
524 struct rtl_priv *rtlpriv = rtl_priv(hw);
525 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
526 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
527 struct timeval ts;
528
529 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
530 if (WARN_ON(!wow))
531 return -EINVAL;
532
533 /* to resolve s4 can not wake up*/
534 do_gettimeofday(&ts);
535 rtlhal->last_suspend_sec = ts.tv_sec;
536
537 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
538 _rtl_add_wowlan_patterns(hw, wow);
539
540 rtlhal->driver_is_goingto_unload = true;
541 rtlhal->enter_pnp_sleep = true;
542
543 rtl_lps_leave(hw);
544 rtl_op_stop(hw);
545 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
546 return 0;
547 }
548
549 static int rtl_op_resume(struct ieee80211_hw *hw)
550 {
551 struct rtl_priv *rtlpriv = rtl_priv(hw);
552 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
553 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
554 struct timeval ts;
555
556 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
557 rtlhal->driver_is_goingto_unload = false;
558 rtlhal->enter_pnp_sleep = false;
559 rtlhal->wake_from_pnp_sleep = true;
560
561 /* to resovle s4 can not wake up*/
562 do_gettimeofday(&ts);
563 if (ts.tv_sec - rtlhal->last_suspend_sec < 5)
564 return -1;
565
566 rtl_op_start(hw);
567 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
568 ieee80211_resume_disconnect(mac->vif);
569 rtlhal->wake_from_pnp_sleep = false;
570 return 0;
571 }
572 #endif
573
574 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
575 {
576 struct rtl_priv *rtlpriv = rtl_priv(hw);
577 struct rtl_phy *rtlphy = &(rtlpriv->phy);
578 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
579 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
580 struct ieee80211_conf *conf = &hw->conf;
581
582 if (mac->skip_scan)
583 return 1;
584
585 mutex_lock(&rtlpriv->locks.conf_mutex);
586 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/
587 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
588 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
589 }
590
591 /*For IPS */
592 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
593 if (hw->conf.flags & IEEE80211_CONF_IDLE)
594 rtl_ips_nic_off(hw);
595 else
596 rtl_ips_nic_on(hw);
597 } else {
598 /*
599 *although rfoff may not cause by ips, but we will
600 *check the reason in set_rf_power_state function
601 */
602 if (unlikely(ppsc->rfpwr_state == ERFOFF))
603 rtl_ips_nic_on(hw);
604 }
605
606 /*For LPS */
607 if (changed & IEEE80211_CONF_CHANGE_PS) {
608 cancel_delayed_work(&rtlpriv->works.ps_work);
609 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
610 if (conf->flags & IEEE80211_CONF_PS) {
611 rtlpriv->psc.sw_ps_enabled = true;
612 /* sleep here is must, or we may recv the beacon and
613 * cause mac80211 into wrong ps state, this will cause
614 * power save nullfunc send fail, and further cause
615 * pkt loss, So sleep must quickly but not immediatly
616 * because that will cause nullfunc send by mac80211
617 * fail, and cause pkt loss, we have tested that 5mA
618 * is worked very well */
619 if (!rtlpriv->psc.multi_buffered)
620 queue_delayed_work(rtlpriv->works.rtl_wq,
621 &rtlpriv->works.ps_work,
622 MSECS(5));
623 } else {
624 rtl_swlps_rf_awake(hw);
625 rtlpriv->psc.sw_ps_enabled = false;
626 }
627 }
628
629 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
630 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
631 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
632 hw->conf.long_frame_max_tx_count);
633 mac->retry_long = hw->conf.long_frame_max_tx_count;
634 mac->retry_short = hw->conf.long_frame_max_tx_count;
635 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
636 (u8 *)(&hw->conf.long_frame_max_tx_count));
637 }
638
639 if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
640 !rtlpriv->proximity.proxim_on) {
641 struct ieee80211_channel *channel = hw->conf.chandef.chan;
642 enum nl80211_chan_width width = hw->conf.chandef.width;
643 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
644 u8 wide_chan = (u8) channel->hw_value;
645
646 /* channel_type is for 20&40M */
647 if (width < NL80211_CHAN_WIDTH_80)
648 channel_type =
649 cfg80211_get_chandef_type(&hw->conf.chandef);
650 if (mac->act_scanning)
651 mac->n_channels++;
652
653 if (rtlpriv->dm.supp_phymode_switch &&
654 mac->link_state < MAC80211_LINKED &&
655 !mac->act_scanning) {
656 if (rtlpriv->cfg->ops->chk_switch_dmdp)
657 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
658 }
659
660 /*
661 *because we should back channel to
662 *current_network.chan in in scanning,
663 *So if set_chan == current_network.chan
664 *we should set it.
665 *because mac80211 tell us wrong bw40
666 *info for cisco1253 bw20, so we modify
667 *it here based on UPPER & LOWER
668 */
669
670 if (width >= NL80211_CHAN_WIDTH_80) {
671 if (width == NL80211_CHAN_WIDTH_80) {
672 u32 center = hw->conf.chandef.center_freq1;
673 u32 primary =
674 (u32)hw->conf.chandef.chan->center_freq;
675
676 rtlphy->current_chan_bw =
677 HT_CHANNEL_WIDTH_80;
678 mac->bw_80 = true;
679 mac->bw_40 = true;
680 if (center > primary) {
681 mac->cur_80_prime_sc =
682 PRIME_CHNL_OFFSET_LOWER;
683 if (center - primary == 10) {
684 mac->cur_40_prime_sc =
685 PRIME_CHNL_OFFSET_UPPER;
686
687 wide_chan += 2;
688 } else if (center - primary == 30) {
689 mac->cur_40_prime_sc =
690 PRIME_CHNL_OFFSET_LOWER;
691
692 wide_chan += 6;
693 }
694 } else {
695 mac->cur_80_prime_sc =
696 PRIME_CHNL_OFFSET_UPPER;
697 if (primary - center == 10) {
698 mac->cur_40_prime_sc =
699 PRIME_CHNL_OFFSET_LOWER;
700
701 wide_chan -= 2;
702 } else if (primary - center == 30) {
703 mac->cur_40_prime_sc =
704 PRIME_CHNL_OFFSET_UPPER;
705
706 wide_chan -= 6;
707 }
708 }
709 }
710 } else {
711 switch (channel_type) {
712 case NL80211_CHAN_HT20:
713 case NL80211_CHAN_NO_HT:
714 /* SC */
715 mac->cur_40_prime_sc =
716 PRIME_CHNL_OFFSET_DONT_CARE;
717 rtlphy->current_chan_bw =
718 HT_CHANNEL_WIDTH_20;
719 mac->bw_40 = false;
720 mac->bw_80 = false;
721 break;
722 case NL80211_CHAN_HT40MINUS:
723 /* SC */
724 mac->cur_40_prime_sc =
725 PRIME_CHNL_OFFSET_UPPER;
726 rtlphy->current_chan_bw =
727 HT_CHANNEL_WIDTH_20_40;
728 mac->bw_40 = true;
729 mac->bw_80 = false;
730
731 /*wide channel */
732 wide_chan -= 2;
733
734 break;
735 case NL80211_CHAN_HT40PLUS:
736 /* SC */
737 mac->cur_40_prime_sc =
738 PRIME_CHNL_OFFSET_LOWER;
739 rtlphy->current_chan_bw =
740 HT_CHANNEL_WIDTH_20_40;
741 mac->bw_40 = true;
742 mac->bw_80 = false;
743
744 /*wide channel */
745 wide_chan += 2;
746
747 break;
748 default:
749 mac->bw_40 = false;
750 mac->bw_80 = false;
751 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
752 "switch case not processed\n");
753 break;
754 }
755 }
756
757 if (wide_chan <= 0)
758 wide_chan = 1;
759
760 /* In scanning, when before we offchannel we may send a ps=1
761 * null to AP, and then we may send a ps = 0 null to AP quickly,
762 * but first null may have caused AP to put lots of packet to
763 * hw tx buffer. These packets must be tx'd before we go off
764 * channel so we must delay more time to let AP flush these
765 * packets before going offchannel, or dis-association or
766 * delete BA will be caused by AP
767 */
768 if (rtlpriv->mac80211.offchan_delay) {
769 rtlpriv->mac80211.offchan_delay = false;
770 mdelay(50);
771 }
772
773 rtlphy->current_channel = wide_chan;
774
775 rtlpriv->cfg->ops->switch_channel(hw);
776 rtlpriv->cfg->ops->set_channel_access(hw);
777 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
778 }
779
780 mutex_unlock(&rtlpriv->locks.conf_mutex);
781
782 return 0;
783 }
784
785 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
786 unsigned int changed_flags,
787 unsigned int *new_flags, u64 multicast)
788 {
789 bool update_rcr = false;
790 struct rtl_priv *rtlpriv = rtl_priv(hw);
791 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
792
793 *new_flags &= RTL_SUPPORTED_FILTERS;
794 if (0 == changed_flags)
795 return;
796
797 /*TODO: we disable broadcase now, so enable here */
798 if (changed_flags & FIF_ALLMULTI) {
799 if (*new_flags & FIF_ALLMULTI) {
800 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
801 rtlpriv->cfg->maps[MAC_RCR_AB];
802 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
803 "Enable receive multicast frame\n");
804 } else {
805 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
806 rtlpriv->cfg->maps[MAC_RCR_AB]);
807 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
808 "Disable receive multicast frame\n");
809 }
810 update_rcr = true;
811 }
812
813 if (changed_flags & FIF_FCSFAIL) {
814 if (*new_flags & FIF_FCSFAIL) {
815 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
816 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
817 "Enable receive FCS error frame\n");
818 } else {
819 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
820 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
821 "Disable receive FCS error frame\n");
822 }
823 if (!update_rcr)
824 update_rcr = true;
825 }
826
827 /* if ssid not set to hw don't check bssid
828 * here just used for linked scanning, & linked
829 * and nolink check bssid is set in set network_type
830 */
831 if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
832 (mac->link_state >= MAC80211_LINKED)) {
833 if (mac->opmode != NL80211_IFTYPE_AP &&
834 mac->opmode != NL80211_IFTYPE_MESH_POINT) {
835 if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
836 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
837 else
838 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
839 if (update_rcr)
840 update_rcr = false;
841 }
842 }
843
844 if (changed_flags & FIF_CONTROL) {
845 if (*new_flags & FIF_CONTROL) {
846 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
847
848 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
849 "Enable receive control frame.\n");
850 } else {
851 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
852 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
853 "Disable receive control frame.\n");
854 }
855 if (!update_rcr)
856 update_rcr = true;
857 }
858
859 if (changed_flags & FIF_OTHER_BSS) {
860 if (*new_flags & FIF_OTHER_BSS) {
861 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
862 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
863 "Enable receive other BSS's frame.\n");
864 } else {
865 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
866 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
867 "Disable receive other BSS's frame.\n");
868 }
869 if (!update_rcr)
870 update_rcr = true;
871 }
872
873 if (update_rcr)
874 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
875 (u8 *)(&mac->rx_conf));
876 }
877 static int rtl_op_sta_add(struct ieee80211_hw *hw,
878 struct ieee80211_vif *vif,
879 struct ieee80211_sta *sta)
880 {
881 struct rtl_priv *rtlpriv = rtl_priv(hw);
882 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
883 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
884 struct rtl_sta_info *sta_entry;
885
886 if (sta) {
887 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
888 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
889 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
890 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
891 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
892 sta_entry->wireless_mode = WIRELESS_MODE_G;
893 if (sta->supp_rates[0] <= 0xf)
894 sta_entry->wireless_mode = WIRELESS_MODE_B;
895 if (sta->ht_cap.ht_supported)
896 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
897
898 if (vif->type == NL80211_IFTYPE_ADHOC)
899 sta_entry->wireless_mode = WIRELESS_MODE_G;
900 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
901 sta_entry->wireless_mode = WIRELESS_MODE_A;
902 if (sta->ht_cap.ht_supported)
903 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
904 if (sta->vht_cap.vht_supported)
905 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
906
907 if (vif->type == NL80211_IFTYPE_ADHOC)
908 sta_entry->wireless_mode = WIRELESS_MODE_A;
909 }
910 /*disable cck rate for p2p*/
911 if (mac->p2p)
912 sta->supp_rates[0] &= 0xfffffff0;
913
914 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
915 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
916 "Add sta addr is %pM\n", sta->addr);
917 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
918 }
919
920 return 0;
921 }
922
923 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
924 struct ieee80211_vif *vif,
925 struct ieee80211_sta *sta)
926 {
927 struct rtl_priv *rtlpriv = rtl_priv(hw);
928 struct rtl_sta_info *sta_entry;
929 if (sta) {
930 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
931 "Remove sta addr is %pM\n", sta->addr);
932 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
933 sta_entry->wireless_mode = 0;
934 sta_entry->ratr_index = 0;
935 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
936 list_del(&sta_entry->list);
937 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
938 }
939 return 0;
940 }
941 static int _rtl_get_hal_qnum(u16 queue)
942 {
943 int qnum;
944
945 switch (queue) {
946 case 0:
947 qnum = AC3_VO;
948 break;
949 case 1:
950 qnum = AC2_VI;
951 break;
952 case 2:
953 qnum = AC0_BE;
954 break;
955 case 3:
956 qnum = AC1_BK;
957 break;
958 default:
959 qnum = AC0_BE;
960 break;
961 }
962 return qnum;
963 }
964
965 /*
966 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
967 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3
968 */
969 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
970 struct ieee80211_vif *vif, u16 queue,
971 const struct ieee80211_tx_queue_params *param)
972 {
973 struct rtl_priv *rtlpriv = rtl_priv(hw);
974 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
975 int aci;
976
977 if (queue >= AC_MAX) {
978 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
979 "queue number %d is incorrect!\n", queue);
980 return -EINVAL;
981 }
982
983 aci = _rtl_get_hal_qnum(queue);
984 mac->ac[aci].aifs = param->aifs;
985 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
986 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
987 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
988 memcpy(&mac->edca_param[aci], param, sizeof(*param));
989 rtlpriv->cfg->ops->set_qos(hw, aci);
990 return 0;
991 }
992
993 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
994 struct ieee80211_vif *vif,
995 struct ieee80211_bss_conf *bss_conf,
996 u32 changed)
997 {
998 struct rtl_priv *rtlpriv = rtl_priv(hw);
999 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1000 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1001 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1002
1003 mutex_lock(&rtlpriv->locks.conf_mutex);
1004 if ((vif->type == NL80211_IFTYPE_ADHOC) ||
1005 (vif->type == NL80211_IFTYPE_AP) ||
1006 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
1007 if ((changed & BSS_CHANGED_BEACON) ||
1008 (changed & BSS_CHANGED_BEACON_ENABLED &&
1009 bss_conf->enable_beacon)) {
1010 if (mac->beacon_enabled == 0) {
1011 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1012 "BSS_CHANGED_BEACON_ENABLED\n");
1013
1014 /*start hw beacon interrupt. */
1015 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1016 mac->beacon_enabled = 1;
1017 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1018 rtlpriv->cfg->maps
1019 [RTL_IBSS_INT_MASKS], 0);
1020
1021 if (rtlpriv->cfg->ops->linked_set_reg)
1022 rtlpriv->cfg->ops->linked_set_reg(hw);
1023 }
1024 }
1025 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1026 !bss_conf->enable_beacon)) {
1027 if (mac->beacon_enabled == 1) {
1028 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1029 "ADHOC DISABLE BEACON\n");
1030
1031 mac->beacon_enabled = 0;
1032 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1033 rtlpriv->cfg->maps
1034 [RTL_IBSS_INT_MASKS]);
1035 }
1036 }
1037 if (changed & BSS_CHANGED_BEACON_INT) {
1038 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
1039 "BSS_CHANGED_BEACON_INT\n");
1040 mac->beacon_interval = bss_conf->beacon_int;
1041 rtlpriv->cfg->ops->set_bcn_intv(hw);
1042 }
1043 }
1044
1045 /*TODO: reference to enum ieee80211_bss_change */
1046 if (changed & BSS_CHANGED_ASSOC) {
1047 u8 mstatus;
1048 if (bss_conf->assoc) {
1049 struct ieee80211_sta *sta = NULL;
1050 u8 keep_alive = 10;
1051
1052 mstatus = RT_MEDIA_CONNECT;
1053 /* we should reset all sec info & cam
1054 * before set cam after linked, we should not
1055 * reset in disassoc, that will cause tkip->wep
1056 * fail because some flag will be wrong */
1057 /* reset sec info */
1058 rtl_cam_reset_sec_info(hw);
1059 /* reset cam to fix wep fail issue
1060 * when change from wpa to wep */
1061 rtl_cam_reset_all_entry(hw);
1062
1063 mac->link_state = MAC80211_LINKED;
1064 mac->cnt_after_linked = 0;
1065 mac->assoc_id = bss_conf->aid;
1066 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1067
1068 if (rtlpriv->cfg->ops->linked_set_reg)
1069 rtlpriv->cfg->ops->linked_set_reg(hw);
1070
1071 rcu_read_lock();
1072 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1073 if (!sta) {
1074 rcu_read_unlock();
1075 goto out;
1076 }
1077 RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1078 "send PS STATIC frame\n");
1079 if (rtlpriv->dm.supp_phymode_switch) {
1080 if (sta->ht_cap.ht_supported)
1081 rtl_send_smps_action(hw, sta,
1082 IEEE80211_SMPS_STATIC);
1083 }
1084
1085 if (rtlhal->current_bandtype == BAND_ON_5G) {
1086 mac->mode = WIRELESS_MODE_A;
1087 } else {
1088 if (sta->supp_rates[0] <= 0xf)
1089 mac->mode = WIRELESS_MODE_B;
1090 else
1091 mac->mode = WIRELESS_MODE_G;
1092 }
1093
1094 if (sta->ht_cap.ht_supported) {
1095 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1096 mac->mode = WIRELESS_MODE_N_24G;
1097 else
1098 mac->mode = WIRELESS_MODE_N_5G;
1099 }
1100
1101 if (sta->vht_cap.vht_supported) {
1102 if (rtlhal->current_bandtype == BAND_ON_5G)
1103 mac->mode = WIRELESS_MODE_AC_5G;
1104 else
1105 mac->mode = WIRELESS_MODE_AC_24G;
1106 }
1107
1108 if (vif->type == NL80211_IFTYPE_STATION && sta)
1109 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
1110 rcu_read_unlock();
1111
1112 /* to avoid AP Disassociation caused by inactivity */
1113 rtlpriv->cfg->ops->set_hw_reg(hw,
1114 HW_VAR_KEEP_ALIVE,
1115 (u8 *)(&keep_alive));
1116
1117 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1118 "BSS_CHANGED_ASSOC\n");
1119 } else {
1120 mstatus = RT_MEDIA_DISCONNECT;
1121
1122 if (mac->link_state == MAC80211_LINKED) {
1123 rtlpriv->enter_ps = false;
1124 schedule_work(&rtlpriv->works.lps_change_work);
1125 }
1126 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1127 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1128 mac->link_state = MAC80211_NOLINK;
1129 memset(mac->bssid, 0, ETH_ALEN);
1130 mac->vendor = PEER_UNKNOWN;
1131 mac->mode = 0;
1132
1133 if (rtlpriv->dm.supp_phymode_switch) {
1134 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1135 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1136 }
1137 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1138 "BSS_CHANGED_UN_ASSOC\n");
1139 }
1140 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1141 /* For FW LPS:
1142 * To tell firmware we have connected or disconnected
1143 */
1144 rtlpriv->cfg->ops->set_hw_reg(hw,
1145 HW_VAR_H2C_FW_JOINBSSRPT,
1146 (u8 *)(&mstatus));
1147 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1148 true : false;
1149
1150 if (rtlpriv->cfg->ops->get_btc_status())
1151 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1152 rtlpriv, mstatus);
1153 }
1154
1155 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1156 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1157 "BSS_CHANGED_ERP_CTS_PROT\n");
1158 mac->use_cts_protect = bss_conf->use_cts_prot;
1159 }
1160
1161 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1162 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
1163 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1164 bss_conf->use_short_preamble);
1165
1166 mac->short_preamble = bss_conf->use_short_preamble;
1167 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1168 (u8 *)(&mac->short_preamble));
1169 }
1170
1171 if (changed & BSS_CHANGED_ERP_SLOT) {
1172 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1173 "BSS_CHANGED_ERP_SLOT\n");
1174
1175 if (bss_conf->use_short_slot)
1176 mac->slot_time = RTL_SLOT_TIME_9;
1177 else
1178 mac->slot_time = RTL_SLOT_TIME_20;
1179
1180 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1181 (u8 *)(&mac->slot_time));
1182 }
1183
1184 if (changed & BSS_CHANGED_HT) {
1185 struct ieee80211_sta *sta = NULL;
1186
1187 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1188 "BSS_CHANGED_HT\n");
1189
1190 rcu_read_lock();
1191 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1192 if (sta) {
1193 if (sta->ht_cap.ampdu_density >
1194 mac->current_ampdu_density)
1195 mac->current_ampdu_density =
1196 sta->ht_cap.ampdu_density;
1197 if (sta->ht_cap.ampdu_factor <
1198 mac->current_ampdu_factor)
1199 mac->current_ampdu_factor =
1200 sta->ht_cap.ampdu_factor;
1201 }
1202 rcu_read_unlock();
1203
1204 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1205 (u8 *)(&mac->max_mss_density));
1206 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1207 &mac->current_ampdu_factor);
1208 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1209 &mac->current_ampdu_density);
1210 }
1211
1212 if (changed & BSS_CHANGED_BSSID) {
1213 u32 basic_rates;
1214 struct ieee80211_sta *sta = NULL;
1215
1216 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1217 (u8 *)bss_conf->bssid);
1218
1219 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1220 "bssid: %pM\n", bss_conf->bssid);
1221
1222 mac->vendor = PEER_UNKNOWN;
1223 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1224
1225 rcu_read_lock();
1226 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1227 if (!sta) {
1228 rcu_read_unlock();
1229 goto out;
1230 }
1231
1232 if (rtlhal->current_bandtype == BAND_ON_5G) {
1233 mac->mode = WIRELESS_MODE_A;
1234 } else {
1235 if (sta->supp_rates[0] <= 0xf)
1236 mac->mode = WIRELESS_MODE_B;
1237 else
1238 mac->mode = WIRELESS_MODE_G;
1239 }
1240
1241 if (sta->ht_cap.ht_supported) {
1242 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1243 mac->mode = WIRELESS_MODE_N_24G;
1244 else
1245 mac->mode = WIRELESS_MODE_N_5G;
1246 }
1247
1248 if (sta->vht_cap.vht_supported) {
1249 if (rtlhal->current_bandtype == BAND_ON_5G)
1250 mac->mode = WIRELESS_MODE_AC_5G;
1251 else
1252 mac->mode = WIRELESS_MODE_AC_24G;
1253 }
1254
1255 /* just station need it, because ibss & ap mode will
1256 * set in sta_add, and will be NULL here */
1257 if (vif->type == NL80211_IFTYPE_STATION) {
1258 struct rtl_sta_info *sta_entry;
1259 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1260 sta_entry->wireless_mode = mac->mode;
1261 }
1262
1263 if (sta->ht_cap.ht_supported) {
1264 mac->ht_enable = true;
1265
1266 /*
1267 * for cisco 1252 bw20 it's wrong
1268 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1269 * mac->bw_40 = true;
1270 * }
1271 * */
1272 }
1273
1274 if (sta->vht_cap.vht_supported)
1275 mac->vht_enable = true;
1276
1277 if (changed & BSS_CHANGED_BASIC_RATES) {
1278 /* for 5G must << RATE_6M_INDEX = 4,
1279 * because 5G have no cck rate*/
1280 if (rtlhal->current_bandtype == BAND_ON_5G)
1281 basic_rates = sta->supp_rates[1] << 4;
1282 else
1283 basic_rates = sta->supp_rates[0];
1284
1285 mac->basic_rates = basic_rates;
1286 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1287 (u8 *)(&basic_rates));
1288 }
1289 rcu_read_unlock();
1290 }
1291 out:
1292 mutex_unlock(&rtlpriv->locks.conf_mutex);
1293 }
1294
1295 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1296 {
1297 struct rtl_priv *rtlpriv = rtl_priv(hw);
1298 u64 tsf;
1299
1300 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1301 return tsf;
1302 }
1303
1304 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1305 struct ieee80211_vif *vif, u64 tsf)
1306 {
1307 struct rtl_priv *rtlpriv = rtl_priv(hw);
1308 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1309 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1310
1311 mac->tsf = tsf;
1312 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1313 }
1314
1315 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1316 {
1317 struct rtl_priv *rtlpriv = rtl_priv(hw);
1318 u8 tmp = 0;
1319
1320 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1321 }
1322
1323 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1324 struct ieee80211_vif *vif,
1325 enum sta_notify_cmd cmd,
1326 struct ieee80211_sta *sta)
1327 {
1328 switch (cmd) {
1329 case STA_NOTIFY_SLEEP:
1330 break;
1331 case STA_NOTIFY_AWAKE:
1332 break;
1333 default:
1334 break;
1335 }
1336 }
1337
1338 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1339 struct ieee80211_vif *vif,
1340 enum ieee80211_ampdu_mlme_action action,
1341 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
1342 u8 buf_size)
1343 {
1344 struct rtl_priv *rtlpriv = rtl_priv(hw);
1345
1346 switch (action) {
1347 case IEEE80211_AMPDU_TX_START:
1348 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1349 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1350 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1351 case IEEE80211_AMPDU_TX_STOP_CONT:
1352 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1353 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1354 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1355 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1356 return rtl_tx_agg_stop(hw, vif, sta, tid);
1357 case IEEE80211_AMPDU_TX_OPERATIONAL:
1358 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1359 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1360 rtl_tx_agg_oper(hw, sta, tid);
1361 break;
1362 case IEEE80211_AMPDU_RX_START:
1363 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1364 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1365 return rtl_rx_agg_start(hw, sta, tid);
1366 case IEEE80211_AMPDU_RX_STOP:
1367 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1368 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1369 return rtl_rx_agg_stop(hw, sta, tid);
1370 default:
1371 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1372 "IEEE80211_AMPDU_ERR!!!!:\n");
1373 return -EOPNOTSUPP;
1374 }
1375 return 0;
1376 }
1377
1378 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1379 struct ieee80211_vif *vif,
1380 const u8 *mac_addr)
1381 {
1382 struct rtl_priv *rtlpriv = rtl_priv(hw);
1383 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1384
1385 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1386 mac->act_scanning = true;
1387 if (rtlpriv->link_info.higher_busytraffic) {
1388 mac->skip_scan = true;
1389 return;
1390 }
1391
1392 if (rtlpriv->cfg->ops->get_btc_status())
1393 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1394
1395 if (rtlpriv->dm.supp_phymode_switch) {
1396 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1397 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1398 }
1399
1400 if (mac->link_state == MAC80211_LINKED) {
1401 rtlpriv->enter_ps = false;
1402 schedule_work(&rtlpriv->works.lps_change_work);
1403 mac->link_state = MAC80211_LINKED_SCANNING;
1404 } else {
1405 rtl_ips_nic_on(hw);
1406 }
1407
1408 /* Dul mac */
1409 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1410
1411 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1412 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1413 }
1414
1415 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1416 struct ieee80211_vif *vif)
1417 {
1418 struct rtl_priv *rtlpriv = rtl_priv(hw);
1419 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1420
1421 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1422 mac->act_scanning = false;
1423 mac->skip_scan = false;
1424 if (rtlpriv->link_info.higher_busytraffic)
1425 return;
1426
1427 /* p2p will use 1/6/11 to scan */
1428 if (mac->n_channels == 3)
1429 mac->p2p_in_use = true;
1430 else
1431 mac->p2p_in_use = false;
1432 mac->n_channels = 0;
1433 /* Dul mac */
1434 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1435
1436 if (mac->link_state == MAC80211_LINKED_SCANNING) {
1437 mac->link_state = MAC80211_LINKED;
1438 if (mac->opmode == NL80211_IFTYPE_STATION) {
1439 /* fix fwlps issue */
1440 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1441 }
1442 }
1443
1444 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1445 if (rtlpriv->cfg->ops->get_btc_status())
1446 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1447 }
1448
1449 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1450 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1451 struct ieee80211_key_conf *key)
1452 {
1453 struct rtl_priv *rtlpriv = rtl_priv(hw);
1454 u8 key_type = NO_ENCRYPTION;
1455 u8 key_idx;
1456 bool group_key = false;
1457 bool wep_only = false;
1458 int err = 0;
1459 u8 mac_addr[ETH_ALEN];
1460 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1461
1462 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1463 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1464 "not open hw encryption\n");
1465 return -ENOSPC; /*User disabled HW-crypto */
1466 }
1467 /* To support IBSS, use sw-crypto for GTK */
1468 if (((vif->type == NL80211_IFTYPE_ADHOC) ||
1469 (vif->type == NL80211_IFTYPE_MESH_POINT)) &&
1470 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1471 return -ENOSPC;
1472 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1473 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1474 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1475 sta ? sta->addr : bcast_addr);
1476 rtlpriv->sec.being_setkey = true;
1477 rtl_ips_nic_on(hw);
1478 mutex_lock(&rtlpriv->locks.conf_mutex);
1479 /* <1> get encryption alg */
1480
1481 switch (key->cipher) {
1482 case WLAN_CIPHER_SUITE_WEP40:
1483 key_type = WEP40_ENCRYPTION;
1484 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1485 break;
1486 case WLAN_CIPHER_SUITE_WEP104:
1487 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1488 key_type = WEP104_ENCRYPTION;
1489 break;
1490 case WLAN_CIPHER_SUITE_TKIP:
1491 key_type = TKIP_ENCRYPTION;
1492 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1493 break;
1494 case WLAN_CIPHER_SUITE_CCMP:
1495 key_type = AESCCMP_ENCRYPTION;
1496 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1497 break;
1498 case WLAN_CIPHER_SUITE_AES_CMAC:
1499 /* HW don't support CMAC encryption,
1500 * use software CMAC encryption
1501 */
1502 key_type = AESCMAC_ENCRYPTION;
1503 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1504 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1505 "HW don't support CMAC encrypiton, use software CMAC encrypiton\n");
1506 err = -EOPNOTSUPP;
1507 goto out_unlock;
1508 default:
1509 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1510 "alg_err:%x!!!!:\n", key->cipher);
1511 goto out_unlock;
1512 }
1513 if (key_type == WEP40_ENCRYPTION ||
1514 key_type == WEP104_ENCRYPTION ||
1515 vif->type == NL80211_IFTYPE_ADHOC)
1516 rtlpriv->sec.use_defaultkey = true;
1517
1518 /* <2> get key_idx */
1519 key_idx = (u8) (key->keyidx);
1520 if (key_idx > 3)
1521 goto out_unlock;
1522 /* <3> if pairwise key enable_hw_sec */
1523 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1524
1525 /* wep always be group key, but there are two conditions:
1526 * 1) wep only: is just for wep enc, in this condition
1527 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1528 * will be true & enable_hw_sec will be set when wep
1529 * ke setting.
1530 * 2) wep(group) + AES(pairwise): some AP like cisco
1531 * may use it, in this condition enable_hw_sec will not
1532 * be set when wep key setting */
1533 /* we must reset sec_info after lingked before set key,
1534 * or some flag will be wrong*/
1535 if (vif->type == NL80211_IFTYPE_AP ||
1536 vif->type == NL80211_IFTYPE_MESH_POINT) {
1537 if (!group_key || key_type == WEP40_ENCRYPTION ||
1538 key_type == WEP104_ENCRYPTION) {
1539 if (group_key)
1540 wep_only = true;
1541 rtlpriv->cfg->ops->enable_hw_sec(hw);
1542 }
1543 } else {
1544 if ((!group_key) || (vif->type == NL80211_IFTYPE_ADHOC) ||
1545 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1546 if (rtlpriv->sec.pairwise_enc_algorithm ==
1547 NO_ENCRYPTION &&
1548 (key_type == WEP40_ENCRYPTION ||
1549 key_type == WEP104_ENCRYPTION))
1550 wep_only = true;
1551 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1552 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1553 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1554 key_type);
1555 rtlpriv->cfg->ops->enable_hw_sec(hw);
1556 }
1557 }
1558 /* <4> set key based on cmd */
1559 switch (cmd) {
1560 case SET_KEY:
1561 if (wep_only) {
1562 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1563 "set WEP(group/pairwise) key\n");
1564 /* Pairwise key with an assigned MAC address. */
1565 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1566 rtlpriv->sec.group_enc_algorithm = key_type;
1567 /*set local buf about wep key. */
1568 memcpy(rtlpriv->sec.key_buf[key_idx],
1569 key->key, key->keylen);
1570 rtlpriv->sec.key_len[key_idx] = key->keylen;
1571 eth_zero_addr(mac_addr);
1572 } else if (group_key) { /* group key */
1573 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1574 "set group key\n");
1575 /* group key */
1576 rtlpriv->sec.group_enc_algorithm = key_type;
1577 /*set local buf about group key. */
1578 memcpy(rtlpriv->sec.key_buf[key_idx],
1579 key->key, key->keylen);
1580 rtlpriv->sec.key_len[key_idx] = key->keylen;
1581 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1582 } else { /* pairwise key */
1583 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1584 "set pairwise key\n");
1585 if (!sta) {
1586 RT_ASSERT(false,
1587 "pairwise key without mac_addr\n");
1588
1589 err = -EOPNOTSUPP;
1590 goto out_unlock;
1591 }
1592 /* Pairwise key with an assigned MAC address. */
1593 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1594 /*set local buf about pairwise key. */
1595 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1596 key->key, key->keylen);
1597 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1598 rtlpriv->sec.pairwise_key =
1599 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1600 memcpy(mac_addr, sta->addr, ETH_ALEN);
1601 }
1602 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1603 group_key, key_type, wep_only,
1604 false);
1605 /* <5> tell mac80211 do something: */
1606 /*must use sw generate IV, or can not work !!!!. */
1607 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1608 key->hw_key_idx = key_idx;
1609 if (key_type == TKIP_ENCRYPTION)
1610 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1611 /*use software CCMP encryption for management frames (MFP) */
1612 if (key_type == AESCCMP_ENCRYPTION)
1613 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1614 break;
1615 case DISABLE_KEY:
1616 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1617 "disable key delete one entry\n");
1618 /*set local buf about wep key. */
1619 if (vif->type == NL80211_IFTYPE_AP ||
1620 vif->type == NL80211_IFTYPE_MESH_POINT) {
1621 if (sta)
1622 rtl_cam_del_entry(hw, sta->addr);
1623 }
1624 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1625 rtlpriv->sec.key_len[key_idx] = 0;
1626 eth_zero_addr(mac_addr);
1627 /*
1628 *mac80211 will delete entrys one by one,
1629 *so don't use rtl_cam_reset_all_entry
1630 *or clear all entry here.
1631 */
1632 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1633 break;
1634 default:
1635 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1636 "cmd_err:%x!!!!:\n", cmd);
1637 }
1638 out_unlock:
1639 mutex_unlock(&rtlpriv->locks.conf_mutex);
1640 rtlpriv->sec.being_setkey = false;
1641 return err;
1642 }
1643
1644 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1645 {
1646 struct rtl_priv *rtlpriv = rtl_priv(hw);
1647
1648 bool radio_state;
1649 bool blocked;
1650 u8 valid = 0;
1651
1652 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1653 return;
1654
1655 mutex_lock(&rtlpriv->locks.conf_mutex);
1656
1657 /*if Radio On return true here */
1658 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1659
1660 if (valid) {
1661 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1662 rtlpriv->rfkill.rfkill_state = radio_state;
1663
1664 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1665 "wireless radio switch turned %s\n",
1666 radio_state ? "on" : "off");
1667
1668 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1669 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1670 }
1671 }
1672
1673 mutex_unlock(&rtlpriv->locks.conf_mutex);
1674 }
1675
1676 /* this function is called by mac80211 to flush tx buffer
1677 * before switch channle or power save, or tx buffer packet
1678 * maybe send after offchannel or rf sleep, this may cause
1679 * dis-association by AP */
1680 static void rtl_op_flush(struct ieee80211_hw *hw,
1681 struct ieee80211_vif *vif,
1682 u32 queues,
1683 bool drop)
1684 {
1685 struct rtl_priv *rtlpriv = rtl_priv(hw);
1686
1687 if (rtlpriv->intf_ops->flush)
1688 rtlpriv->intf_ops->flush(hw, queues, drop);
1689 }
1690
1691 /* Description:
1692 * This routine deals with the Power Configuration CMD
1693 * parsing for RTL8723/RTL8188E Series IC.
1694 * Assumption:
1695 * We should follow specific format that was released from HW SD.
1696 */
1697 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1698 u8 faversion, u8 interface_type,
1699 struct wlan_pwr_cfg pwrcfgcmd[])
1700 {
1701 struct wlan_pwr_cfg cfg_cmd = {0};
1702 bool polling_bit = false;
1703 u32 ary_idx = 0;
1704 u8 value = 0;
1705 u32 offset = 0;
1706 u32 polling_count = 0;
1707 u32 max_polling_cnt = 5000;
1708
1709 do {
1710 cfg_cmd = pwrcfgcmd[ary_idx];
1711 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1712 "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1713 GET_PWR_CFG_OFFSET(cfg_cmd),
1714 GET_PWR_CFG_CUT_MASK(cfg_cmd),
1715 GET_PWR_CFG_FAB_MASK(cfg_cmd),
1716 GET_PWR_CFG_INTF_MASK(cfg_cmd),
1717 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1718 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1719
1720 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1721 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1722 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1723 switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1724 case PWR_CMD_READ:
1725 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1726 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1727 break;
1728 case PWR_CMD_WRITE:
1729 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1730 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n");
1731 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1732
1733 /*Read the value from system register*/
1734 value = rtl_read_byte(rtlpriv, offset);
1735 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1736 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1737 GET_PWR_CFG_MASK(cfg_cmd));
1738
1739 /*Write the value back to sytem register*/
1740 rtl_write_byte(rtlpriv, offset, value);
1741 break;
1742 case PWR_CMD_POLLING:
1743 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1744 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1745 polling_bit = false;
1746 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1747
1748 do {
1749 value = rtl_read_byte(rtlpriv, offset);
1750
1751 value &= GET_PWR_CFG_MASK(cfg_cmd);
1752 if (value ==
1753 (GET_PWR_CFG_VALUE(cfg_cmd) &
1754 GET_PWR_CFG_MASK(cfg_cmd)))
1755 polling_bit = true;
1756 else
1757 udelay(10);
1758
1759 if (polling_count++ > max_polling_cnt)
1760 return false;
1761 } while (!polling_bit);
1762 break;
1763 case PWR_CMD_DELAY:
1764 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1765 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
1766 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1767 PWRSEQ_DELAY_US)
1768 udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1769 else
1770 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1771 break;
1772 case PWR_CMD_END:
1773 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1774 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
1775 return true;
1776 default:
1777 RT_ASSERT(false,
1778 "rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1779 break;
1780 }
1781 }
1782 ary_idx++;
1783 } while (1);
1784
1785 return true;
1786 }
1787 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1788
1789 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1790 {
1791 struct rtl_priv *rtlpriv = rtl_priv(hw);
1792 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1793 struct rtl8192_tx_ring *ring;
1794 struct rtl_tx_desc *pdesc;
1795 unsigned long flags;
1796 struct sk_buff *pskb = NULL;
1797
1798 ring = &rtlpci->tx_ring[BEACON_QUEUE];
1799
1800 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1801 pskb = __skb_dequeue(&ring->queue);
1802 if (pskb)
1803 kfree_skb(pskb);
1804
1805 /*this is wrong, fill_tx_cmddesc needs update*/
1806 pdesc = &ring->desc[0];
1807
1808 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1809
1810 __skb_queue_tail(&ring->queue, skb);
1811
1812 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1813
1814 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1815
1816 return true;
1817 }
1818 EXPORT_SYMBOL(rtl_cmd_send_packet);
1819 const struct ieee80211_ops rtl_ops = {
1820 .start = rtl_op_start,
1821 .stop = rtl_op_stop,
1822 .tx = rtl_op_tx,
1823 .add_interface = rtl_op_add_interface,
1824 .remove_interface = rtl_op_remove_interface,
1825 .change_interface = rtl_op_change_interface,
1826 #ifdef CONFIG_PM
1827 .suspend = rtl_op_suspend,
1828 .resume = rtl_op_resume,
1829 #endif
1830 .config = rtl_op_config,
1831 .configure_filter = rtl_op_configure_filter,
1832 .set_key = rtl_op_set_key,
1833 .conf_tx = rtl_op_conf_tx,
1834 .bss_info_changed = rtl_op_bss_info_changed,
1835 .get_tsf = rtl_op_get_tsf,
1836 .set_tsf = rtl_op_set_tsf,
1837 .reset_tsf = rtl_op_reset_tsf,
1838 .sta_notify = rtl_op_sta_notify,
1839 .ampdu_action = rtl_op_ampdu_action,
1840 .sw_scan_start = rtl_op_sw_scan_start,
1841 .sw_scan_complete = rtl_op_sw_scan_complete,
1842 .rfkill_poll = rtl_op_rfkill_poll,
1843 .sta_add = rtl_op_sta_add,
1844 .sta_remove = rtl_op_sta_remove,
1845 .flush = rtl_op_flush,
1846 };
1847 EXPORT_SYMBOL_GPL(rtl_ops);
1848
1849 bool rtl_btc_status_false(void)
1850 {
1851 return false;
1852 }
1853 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
Linux with added FPC-III support