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rtlwifi: Fix NULL dereference when PCI driver used as an AP
[deliverable/linux.git] / drivers / net / wireless / rtlwifi / core.c
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 static void rtl_fw_do_work(const struct firmware *firmware, void *context,
99 bool is_wow)
100 {
101 struct ieee80211_hw *hw = context;
102 struct rtl_priv *rtlpriv = rtl_priv(hw);
103 int err;
104
105 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
106 "Firmware callback routine entered!\n");
107 complete(&rtlpriv->firmware_loading_complete);
108 if (!firmware) {
109 if (rtlpriv->cfg->alt_fw_name) {
110 err = request_firmware(&firmware,
111 rtlpriv->cfg->alt_fw_name,
112 rtlpriv->io.dev);
113 pr_info("Loading alternative firmware %s\n",
114 rtlpriv->cfg->alt_fw_name);
115 if (!err)
116 goto found_alt;
117 }
118 pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
119 rtlpriv->max_fw_size = 0;
120 return;
121 }
122 found_alt:
123 if (firmware->size > rtlpriv->max_fw_size) {
124 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
125 "Firmware is too big!\n");
126 release_firmware(firmware);
127 return;
128 }
129 if (!is_wow) {
130 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
131 firmware->size);
132 rtlpriv->rtlhal.fwsize = firmware->size;
133 } else {
134 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
135 firmware->size);
136 rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
137 }
138 rtlpriv->rtlhal.fwsize = firmware->size;
139 release_firmware(firmware);
140 }
141
142 void rtl_fw_cb(const struct firmware *firmware, void *context)
143 {
144 rtl_fw_do_work(firmware, context, false);
145 }
146 EXPORT_SYMBOL(rtl_fw_cb);
147
148 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
149 {
150 rtl_fw_do_work(firmware, context, true);
151 }
152 EXPORT_SYMBOL(rtl_wowlan_fw_cb);
153
154 /*mutex for start & stop is must here. */
155 static int rtl_op_start(struct ieee80211_hw *hw)
156 {
157 int err = 0;
158 struct rtl_priv *rtlpriv = rtl_priv(hw);
159 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
160
161 if (!is_hal_stop(rtlhal))
162 return 0;
163 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
164 return 0;
165 mutex_lock(&rtlpriv->locks.conf_mutex);
166 err = rtlpriv->intf_ops->adapter_start(hw);
167 if (!err)
168 rtl_watch_dog_timer_callback((unsigned long)hw);
169 mutex_unlock(&rtlpriv->locks.conf_mutex);
170 return err;
171 }
172
173 static void rtl_op_stop(struct ieee80211_hw *hw)
174 {
175 struct rtl_priv *rtlpriv = rtl_priv(hw);
176 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
177 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
178 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
179 bool support_remote_wakeup = false;
180
181 if (is_hal_stop(rtlhal))
182 return;
183
184 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
185 (u8 *)(&support_remote_wakeup));
186 /* here is must, because adhoc do stop and start,
187 * but stop with RFOFF may cause something wrong,
188 * like adhoc TP
189 */
190 if (unlikely(ppsc->rfpwr_state == ERFOFF))
191 rtl_ips_nic_on(hw);
192
193 mutex_lock(&rtlpriv->locks.conf_mutex);
194 /* if wowlan supported, DON'T clear connected info */
195 if (!(support_remote_wakeup &&
196 rtlhal->enter_pnp_sleep)) {
197 mac->link_state = MAC80211_NOLINK;
198 eth_zero_addr(mac->bssid);
199 mac->vendor = PEER_UNKNOWN;
200
201 /* reset sec info */
202 rtl_cam_reset_sec_info(hw);
203
204 rtl_deinit_deferred_work(hw);
205 }
206 rtlpriv->intf_ops->adapter_stop(hw);
207
208 mutex_unlock(&rtlpriv->locks.conf_mutex);
209 }
210
211 static void rtl_op_tx(struct ieee80211_hw *hw,
212 struct ieee80211_tx_control *control,
213 struct sk_buff *skb)
214 {
215 struct rtl_priv *rtlpriv = rtl_priv(hw);
216 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
217 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
218 struct rtl_tcb_desc tcb_desc;
219 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
220
221 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
222 goto err_free;
223
224 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
225 goto err_free;
226
227 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
228 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
229 return;
230
231 err_free:
232 dev_kfree_skb_any(skb);
233 }
234
235 static int rtl_op_add_interface(struct ieee80211_hw *hw,
236 struct ieee80211_vif *vif)
237 {
238 struct rtl_priv *rtlpriv = rtl_priv(hw);
239 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
240 int err = 0;
241
242 if (mac->vif) {
243 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
244 "vif has been set!! mac->vif = 0x%p\n", mac->vif);
245 return -EOPNOTSUPP;
246 }
247
248 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
249
250 rtl_ips_nic_on(hw);
251
252 mutex_lock(&rtlpriv->locks.conf_mutex);
253 switch (ieee80211_vif_type_p2p(vif)) {
254 case NL80211_IFTYPE_P2P_CLIENT:
255 mac->p2p = P2P_ROLE_CLIENT;
256 /*fall through*/
257 case NL80211_IFTYPE_STATION:
258 if (mac->beacon_enabled == 1) {
259 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
260 "NL80211_IFTYPE_STATION\n");
261 mac->beacon_enabled = 0;
262 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
263 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
264 }
265 break;
266 case NL80211_IFTYPE_ADHOC:
267 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
268 "NL80211_IFTYPE_ADHOC\n");
269
270 mac->link_state = MAC80211_LINKED;
271 rtlpriv->cfg->ops->set_bcn_reg(hw);
272 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
273 mac->basic_rates = 0xfff;
274 else
275 mac->basic_rates = 0xff0;
276 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
277 (u8 *)(&mac->basic_rates));
278
279 break;
280 case NL80211_IFTYPE_P2P_GO:
281 mac->p2p = P2P_ROLE_GO;
282 /*fall through*/
283 case NL80211_IFTYPE_AP:
284 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
285 "NL80211_IFTYPE_AP\n");
286
287 mac->link_state = MAC80211_LINKED;
288 rtlpriv->cfg->ops->set_bcn_reg(hw);
289 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
290 mac->basic_rates = 0xfff;
291 else
292 mac->basic_rates = 0xff0;
293 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
294 (u8 *)(&mac->basic_rates));
295 break;
296 case NL80211_IFTYPE_MESH_POINT:
297 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
298 "NL80211_IFTYPE_MESH_POINT\n");
299
300 mac->link_state = MAC80211_LINKED;
301 rtlpriv->cfg->ops->set_bcn_reg(hw);
302 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
303 mac->basic_rates = 0xfff;
304 else
305 mac->basic_rates = 0xff0;
306 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
307 (u8 *)(&mac->basic_rates));
308 break;
309 default:
310 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
311 "operation mode %d is not support!\n", vif->type);
312 err = -EOPNOTSUPP;
313 goto out;
314 }
315
316 if (mac->p2p) {
317 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
318 "p2p role %x\n", vif->type);
319 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
320 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
321 (u8 *)(&mac->basic_rates));
322 }
323 mac->vif = vif;
324 mac->opmode = vif->type;
325 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
326 memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
327 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
328
329 out:
330 mutex_unlock(&rtlpriv->locks.conf_mutex);
331 return err;
332 }
333
334 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
335 struct ieee80211_vif *vif)
336 {
337 struct rtl_priv *rtlpriv = rtl_priv(hw);
338 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
339
340 mutex_lock(&rtlpriv->locks.conf_mutex);
341
342 /* Free beacon resources */
343 if ((vif->type == NL80211_IFTYPE_AP) ||
344 (vif->type == NL80211_IFTYPE_ADHOC) ||
345 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
346 if (mac->beacon_enabled == 1) {
347 mac->beacon_enabled = 0;
348 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
349 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
350 }
351 }
352
353 /*
354 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
355 *NO LINK for our hardware.
356 */
357 mac->p2p = 0;
358 mac->vif = NULL;
359 mac->link_state = MAC80211_NOLINK;
360 eth_zero_addr(mac->bssid);
361 mac->vendor = PEER_UNKNOWN;
362 mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
363 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
364
365 mutex_unlock(&rtlpriv->locks.conf_mutex);
366 }
367 static int rtl_op_change_interface(struct ieee80211_hw *hw,
368 struct ieee80211_vif *vif,
369 enum nl80211_iftype new_type, bool p2p)
370 {
371 struct rtl_priv *rtlpriv = rtl_priv(hw);
372 int ret;
373 rtl_op_remove_interface(hw, vif);
374
375 vif->type = new_type;
376 vif->p2p = p2p;
377 ret = rtl_op_add_interface(hw, vif);
378 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
379 "p2p %x\n", p2p);
380 return ret;
381 }
382
383 #ifdef CONFIG_PM
384 static u16 crc16_ccitt(u8 data, u16 crc)
385 {
386 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
387 u8 i;
388 u16 result;
389
390 for (i = 0; i < 8; i++) {
391 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
392 data_bit = (data & (BIT(0) << i) ? 1 : 0);
393 shift_in = crc_bit15 ^ data_bit;
394
395 result = crc << 1;
396 if (shift_in == 0)
397 result &= (~BIT(0));
398 else
399 result |= BIT(0);
400
401 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
402 if (crc_bit11 == 0)
403 result &= (~BIT(12));
404 else
405 result |= BIT(12);
406
407 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
408 if (crc_bit4 == 0)
409 result &= (~BIT(5));
410 else
411 result |= BIT(5);
412
413 crc = result;
414 }
415
416 return crc;
417 }
418
419 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
420 {
421 u16 crc = 0xffff;
422 u32 i;
423
424 for (i = 0; i < len; i++)
425 crc = crc16_ccitt(pattern[i], crc);
426
427 crc = ~crc;
428
429 return crc;
430 }
431
432 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
433 struct cfg80211_wowlan *wow)
434 {
435 struct rtl_priv *rtlpriv = rtl_priv(hw);
436 struct rtl_mac *mac = &rtlpriv->mac80211;
437 struct cfg80211_pkt_pattern *patterns = wow->patterns;
438 struct rtl_wow_pattern rtl_pattern;
439 const u8 *pattern_os, *mask_os;
440 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
441 u8 content[MAX_WOL_PATTERN_SIZE] = {0};
442 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
443 u8 multicast_addr1[2] = {0x33, 0x33};
444 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
445 u8 i, mask_len;
446 u16 j, len;
447
448 for (i = 0; i < wow->n_patterns; i++) {
449 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
450 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
451 if (patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
452 RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
453 "Pattern[%d] is too long\n", i);
454 continue;
455 }
456 pattern_os = patterns[i].pattern;
457 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
458 mask_os = patterns[i].mask;
459 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
460 "pattern content\n", pattern_os,
461 patterns[i].pattern_len);
462 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
463 "mask content\n", mask_os, mask_len);
464 /* 1. unicast? multicast? or broadcast? */
465 if (memcmp(pattern_os, broadcast_addr, 6) == 0)
466 rtl_pattern.type = BROADCAST_PATTERN;
467 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
468 memcmp(pattern_os, multicast_addr2, 3) == 0)
469 rtl_pattern.type = MULTICAST_PATTERN;
470 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0)
471 rtl_pattern.type = UNICAST_PATTERN;
472 else
473 rtl_pattern.type = UNKNOWN_TYPE;
474
475 /* 2. translate mask_from_os to mask_for_hw */
476
477 /******************************************************************************
478 * pattern from OS uses 'ethenet frame', like this:
479
480 | 6 | 6 | 2 | 20 | Variable | 4 |
481 |--------+--------+------+-----------+------------+-----|
482 | 802.3 Mac Header | IP Header | TCP Packet | FCS |
483 | DA | SA | Type |
484
485 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
486
487 | 24 or 30 | 6 | 2 | 20 | Variable | 4 |
488 |-------------------+--------+------+-----------+------------+-----|
489 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS |
490 | Others | Tpye |
491
492 * Therefore, we need translate mask_from_OS to mask_to_hw.
493 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
494 * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
495 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
496 ******************************************************************************/
497
498 /* Shift 6 bits */
499 for (j = 0; j < mask_len - 1; j++) {
500 mask[j] = mask_os[j] >> 6;
501 mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
502 }
503 mask[j] = (mask_os[j] >> 6) & 0x3F;
504 /* Set bit 0-5 to zero */
505 mask[0] &= 0xC0;
506
507 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
508 "mask to hw\n", mask, mask_len);
509 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
510 rtl_pattern.mask[j] = mask[j * 4];
511 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
512 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
513 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
514 }
515
516 /* To get the wake up pattern from the mask.
517 * We do not count first 12 bits which means
518 * DA[6] and SA[6] in the pattern to match HW design.
519 */
520 len = 0;
521 for (j = 12; j < patterns[i].pattern_len; j++) {
522 if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
523 content[len] = pattern_os[j];
524 len++;
525 }
526 }
527
528 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
529 "pattern to hw\n", content, len);
530 /* 3. calculate crc */
531 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
532 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
533 "CRC_Remainder = 0x%x", rtl_pattern.crc);
534
535 /* 4. write crc & mask_for_hw to hw */
536 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
537 }
538 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
539 }
540
541 static int rtl_op_suspend(struct ieee80211_hw *hw,
542 struct cfg80211_wowlan *wow)
543 {
544 struct rtl_priv *rtlpriv = rtl_priv(hw);
545 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
546 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
547 struct timeval ts;
548
549 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
550 if (WARN_ON(!wow))
551 return -EINVAL;
552
553 /* to resolve s4 can not wake up*/
554 do_gettimeofday(&ts);
555 rtlhal->last_suspend_sec = ts.tv_sec;
556
557 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
558 _rtl_add_wowlan_patterns(hw, wow);
559
560 rtlhal->driver_is_goingto_unload = true;
561 rtlhal->enter_pnp_sleep = true;
562
563 rtl_lps_leave(hw);
564 rtl_op_stop(hw);
565 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
566 return 0;
567 }
568
569 static int rtl_op_resume(struct ieee80211_hw *hw)
570 {
571 struct rtl_priv *rtlpriv = rtl_priv(hw);
572 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
573 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
574 struct timeval ts;
575
576 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
577 rtlhal->driver_is_goingto_unload = false;
578 rtlhal->enter_pnp_sleep = false;
579 rtlhal->wake_from_pnp_sleep = true;
580
581 /* to resovle s4 can not wake up*/
582 do_gettimeofday(&ts);
583 if (ts.tv_sec - rtlhal->last_suspend_sec < 5)
584 return -1;
585
586 rtl_op_start(hw);
587 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
588 ieee80211_resume_disconnect(mac->vif);
589 rtlhal->wake_from_pnp_sleep = false;
590 return 0;
591 }
592 #endif
593
594 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
595 {
596 struct rtl_priv *rtlpriv = rtl_priv(hw);
597 struct rtl_phy *rtlphy = &(rtlpriv->phy);
598 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
599 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
600 struct ieee80211_conf *conf = &hw->conf;
601
602 if (mac->skip_scan)
603 return 1;
604
605 mutex_lock(&rtlpriv->locks.conf_mutex);
606 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/
607 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
608 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
609 }
610
611 /*For IPS */
612 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
613 if (hw->conf.flags & IEEE80211_CONF_IDLE)
614 rtl_ips_nic_off(hw);
615 else
616 rtl_ips_nic_on(hw);
617 } else {
618 /*
619 *although rfoff may not cause by ips, but we will
620 *check the reason in set_rf_power_state function
621 */
622 if (unlikely(ppsc->rfpwr_state == ERFOFF))
623 rtl_ips_nic_on(hw);
624 }
625
626 /*For LPS */
627 if (changed & IEEE80211_CONF_CHANGE_PS) {
628 cancel_delayed_work(&rtlpriv->works.ps_work);
629 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
630 if (conf->flags & IEEE80211_CONF_PS) {
631 rtlpriv->psc.sw_ps_enabled = true;
632 /* sleep here is must, or we may recv the beacon and
633 * cause mac80211 into wrong ps state, this will cause
634 * power save nullfunc send fail, and further cause
635 * pkt loss, So sleep must quickly but not immediatly
636 * because that will cause nullfunc send by mac80211
637 * fail, and cause pkt loss, we have tested that 5mA
638 * is worked very well */
639 if (!rtlpriv->psc.multi_buffered)
640 queue_delayed_work(rtlpriv->works.rtl_wq,
641 &rtlpriv->works.ps_work,
642 MSECS(5));
643 } else {
644 rtl_swlps_rf_awake(hw);
645 rtlpriv->psc.sw_ps_enabled = false;
646 }
647 }
648
649 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
650 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
651 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
652 hw->conf.long_frame_max_tx_count);
653 mac->retry_long = hw->conf.long_frame_max_tx_count;
654 mac->retry_short = hw->conf.long_frame_max_tx_count;
655 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
656 (u8 *)(&hw->conf.long_frame_max_tx_count));
657 }
658
659 if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
660 !rtlpriv->proximity.proxim_on) {
661 struct ieee80211_channel *channel = hw->conf.chandef.chan;
662 enum nl80211_chan_width width = hw->conf.chandef.width;
663 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
664 u8 wide_chan = (u8) channel->hw_value;
665
666 /* channel_type is for 20&40M */
667 if (width < NL80211_CHAN_WIDTH_80)
668 channel_type =
669 cfg80211_get_chandef_type(&hw->conf.chandef);
670 if (mac->act_scanning)
671 mac->n_channels++;
672
673 if (rtlpriv->dm.supp_phymode_switch &&
674 mac->link_state < MAC80211_LINKED &&
675 !mac->act_scanning) {
676 if (rtlpriv->cfg->ops->chk_switch_dmdp)
677 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
678 }
679
680 /*
681 *because we should back channel to
682 *current_network.chan in in scanning,
683 *So if set_chan == current_network.chan
684 *we should set it.
685 *because mac80211 tell us wrong bw40
686 *info for cisco1253 bw20, so we modify
687 *it here based on UPPER & LOWER
688 */
689
690 if (width >= NL80211_CHAN_WIDTH_80) {
691 if (width == NL80211_CHAN_WIDTH_80) {
692 u32 center = hw->conf.chandef.center_freq1;
693 u32 primary =
694 (u32)hw->conf.chandef.chan->center_freq;
695
696 rtlphy->current_chan_bw =
697 HT_CHANNEL_WIDTH_80;
698 mac->bw_80 = true;
699 mac->bw_40 = true;
700 if (center > primary) {
701 mac->cur_80_prime_sc =
702 PRIME_CHNL_OFFSET_LOWER;
703 if (center - primary == 10) {
704 mac->cur_40_prime_sc =
705 PRIME_CHNL_OFFSET_UPPER;
706
707 wide_chan += 2;
708 } else if (center - primary == 30) {
709 mac->cur_40_prime_sc =
710 PRIME_CHNL_OFFSET_LOWER;
711
712 wide_chan += 6;
713 }
714 } else {
715 mac->cur_80_prime_sc =
716 PRIME_CHNL_OFFSET_UPPER;
717 if (primary - center == 10) {
718 mac->cur_40_prime_sc =
719 PRIME_CHNL_OFFSET_LOWER;
720
721 wide_chan -= 2;
722 } else if (primary - center == 30) {
723 mac->cur_40_prime_sc =
724 PRIME_CHNL_OFFSET_UPPER;
725
726 wide_chan -= 6;
727 }
728 }
729 }
730 } else {
731 switch (channel_type) {
732 case NL80211_CHAN_HT20:
733 case NL80211_CHAN_NO_HT:
734 /* SC */
735 mac->cur_40_prime_sc =
736 PRIME_CHNL_OFFSET_DONT_CARE;
737 rtlphy->current_chan_bw =
738 HT_CHANNEL_WIDTH_20;
739 mac->bw_40 = false;
740 mac->bw_80 = false;
741 break;
742 case NL80211_CHAN_HT40MINUS:
743 /* SC */
744 mac->cur_40_prime_sc =
745 PRIME_CHNL_OFFSET_UPPER;
746 rtlphy->current_chan_bw =
747 HT_CHANNEL_WIDTH_20_40;
748 mac->bw_40 = true;
749 mac->bw_80 = false;
750
751 /*wide channel */
752 wide_chan -= 2;
753
754 break;
755 case NL80211_CHAN_HT40PLUS:
756 /* SC */
757 mac->cur_40_prime_sc =
758 PRIME_CHNL_OFFSET_LOWER;
759 rtlphy->current_chan_bw =
760 HT_CHANNEL_WIDTH_20_40;
761 mac->bw_40 = true;
762 mac->bw_80 = false;
763
764 /*wide channel */
765 wide_chan += 2;
766
767 break;
768 default:
769 mac->bw_40 = false;
770 mac->bw_80 = false;
771 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
772 "switch case not processed\n");
773 break;
774 }
775 }
776
777 if (wide_chan <= 0)
778 wide_chan = 1;
779
780 /* In scanning, when before we offchannel we may send a ps=1
781 * null to AP, and then we may send a ps = 0 null to AP quickly,
782 * but first null may have caused AP to put lots of packet to
783 * hw tx buffer. These packets must be tx'd before we go off
784 * channel so we must delay more time to let AP flush these
785 * packets before going offchannel, or dis-association or
786 * delete BA will be caused by AP
787 */
788 if (rtlpriv->mac80211.offchan_delay) {
789 rtlpriv->mac80211.offchan_delay = false;
790 mdelay(50);
791 }
792
793 rtlphy->current_channel = wide_chan;
794
795 rtlpriv->cfg->ops->switch_channel(hw);
796 rtlpriv->cfg->ops->set_channel_access(hw);
797 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
798 }
799
800 mutex_unlock(&rtlpriv->locks.conf_mutex);
801
802 return 0;
803 }
804
805 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
806 unsigned int changed_flags,
807 unsigned int *new_flags, u64 multicast)
808 {
809 bool update_rcr = false;
810 struct rtl_priv *rtlpriv = rtl_priv(hw);
811 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
812
813 *new_flags &= RTL_SUPPORTED_FILTERS;
814 if (0 == changed_flags)
815 return;
816
817 /*TODO: we disable broadcase now, so enable here */
818 if (changed_flags & FIF_ALLMULTI) {
819 if (*new_flags & FIF_ALLMULTI) {
820 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
821 rtlpriv->cfg->maps[MAC_RCR_AB];
822 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
823 "Enable receive multicast frame\n");
824 } else {
825 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
826 rtlpriv->cfg->maps[MAC_RCR_AB]);
827 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
828 "Disable receive multicast frame\n");
829 }
830 update_rcr = true;
831 }
832
833 if (changed_flags & FIF_FCSFAIL) {
834 if (*new_flags & FIF_FCSFAIL) {
835 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
836 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
837 "Enable receive FCS error frame\n");
838 } else {
839 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
840 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
841 "Disable receive FCS error frame\n");
842 }
843 if (!update_rcr)
844 update_rcr = true;
845 }
846
847 /* if ssid not set to hw don't check bssid
848 * here just used for linked scanning, & linked
849 * and nolink check bssid is set in set network_type
850 */
851 if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
852 (mac->link_state >= MAC80211_LINKED)) {
853 if (mac->opmode != NL80211_IFTYPE_AP &&
854 mac->opmode != NL80211_IFTYPE_MESH_POINT) {
855 if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
856 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
857 else
858 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
859 if (update_rcr)
860 update_rcr = false;
861 }
862 }
863
864 if (changed_flags & FIF_CONTROL) {
865 if (*new_flags & FIF_CONTROL) {
866 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
867
868 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
869 "Enable receive control frame.\n");
870 } else {
871 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
872 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
873 "Disable receive control frame.\n");
874 }
875 if (!update_rcr)
876 update_rcr = true;
877 }
878
879 if (changed_flags & FIF_OTHER_BSS) {
880 if (*new_flags & FIF_OTHER_BSS) {
881 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
882 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
883 "Enable receive other BSS's frame.\n");
884 } else {
885 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
886 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
887 "Disable receive other BSS's frame.\n");
888 }
889 if (!update_rcr)
890 update_rcr = true;
891 }
892
893 if (update_rcr)
894 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
895 (u8 *)(&mac->rx_conf));
896 }
897 static int rtl_op_sta_add(struct ieee80211_hw *hw,
898 struct ieee80211_vif *vif,
899 struct ieee80211_sta *sta)
900 {
901 struct rtl_priv *rtlpriv = rtl_priv(hw);
902 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
903 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
904 struct rtl_sta_info *sta_entry;
905
906 if (sta) {
907 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
908 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
909 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
910 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
911 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
912 sta_entry->wireless_mode = WIRELESS_MODE_G;
913 if (sta->supp_rates[0] <= 0xf)
914 sta_entry->wireless_mode = WIRELESS_MODE_B;
915 if (sta->ht_cap.ht_supported)
916 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
917
918 if (vif->type == NL80211_IFTYPE_ADHOC)
919 sta_entry->wireless_mode = WIRELESS_MODE_G;
920 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
921 sta_entry->wireless_mode = WIRELESS_MODE_A;
922 if (sta->ht_cap.ht_supported)
923 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
924 if (sta->vht_cap.vht_supported)
925 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
926
927 if (vif->type == NL80211_IFTYPE_ADHOC)
928 sta_entry->wireless_mode = WIRELESS_MODE_A;
929 }
930 /*disable cck rate for p2p*/
931 if (mac->p2p)
932 sta->supp_rates[0] &= 0xfffffff0;
933
934 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
935 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
936 "Add sta addr is %pM\n", sta->addr);
937 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
938 }
939
940 return 0;
941 }
942
943 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
944 struct ieee80211_vif *vif,
945 struct ieee80211_sta *sta)
946 {
947 struct rtl_priv *rtlpriv = rtl_priv(hw);
948 struct rtl_sta_info *sta_entry;
949 if (sta) {
950 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
951 "Remove sta addr is %pM\n", sta->addr);
952 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
953 sta_entry->wireless_mode = 0;
954 sta_entry->ratr_index = 0;
955 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
956 list_del(&sta_entry->list);
957 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
958 }
959 return 0;
960 }
961 static int _rtl_get_hal_qnum(u16 queue)
962 {
963 int qnum;
964
965 switch (queue) {
966 case 0:
967 qnum = AC3_VO;
968 break;
969 case 1:
970 qnum = AC2_VI;
971 break;
972 case 2:
973 qnum = AC0_BE;
974 break;
975 case 3:
976 qnum = AC1_BK;
977 break;
978 default:
979 qnum = AC0_BE;
980 break;
981 }
982 return qnum;
983 }
984
985 /*
986 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
987 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3
988 */
989 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
990 struct ieee80211_vif *vif, u16 queue,
991 const struct ieee80211_tx_queue_params *param)
992 {
993 struct rtl_priv *rtlpriv = rtl_priv(hw);
994 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
995 int aci;
996
997 if (queue >= AC_MAX) {
998 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
999 "queue number %d is incorrect!\n", queue);
1000 return -EINVAL;
1001 }
1002
1003 aci = _rtl_get_hal_qnum(queue);
1004 mac->ac[aci].aifs = param->aifs;
1005 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
1006 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1007 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1008 memcpy(&mac->edca_param[aci], param, sizeof(*param));
1009 rtlpriv->cfg->ops->set_qos(hw, aci);
1010 return 0;
1011 }
1012
1013 static void send_beacon_frame(struct ieee80211_hw *hw,
1014 struct ieee80211_vif *vif)
1015 {
1016 struct rtl_priv *rtlpriv = rtl_priv(hw);
1017 struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1018 struct rtl_tcb_desc tcb_desc;
1019
1020 if (skb) {
1021 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1022 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1023 }
1024 }
1025
1026 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1027 struct ieee80211_vif *vif,
1028 struct ieee80211_bss_conf *bss_conf,
1029 u32 changed)
1030 {
1031 struct rtl_priv *rtlpriv = rtl_priv(hw);
1032 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1033 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1034 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1035
1036 mutex_lock(&rtlpriv->locks.conf_mutex);
1037 if ((vif->type == NL80211_IFTYPE_ADHOC) ||
1038 (vif->type == NL80211_IFTYPE_AP) ||
1039 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
1040 if ((changed & BSS_CHANGED_BEACON) ||
1041 (changed & BSS_CHANGED_BEACON_ENABLED &&
1042 bss_conf->enable_beacon)) {
1043 if (mac->beacon_enabled == 0) {
1044 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1045 "BSS_CHANGED_BEACON_ENABLED\n");
1046
1047 /*start hw beacon interrupt. */
1048 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1049 mac->beacon_enabled = 1;
1050 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1051 rtlpriv->cfg->maps
1052 [RTL_IBSS_INT_MASKS], 0);
1053
1054 if (rtlpriv->cfg->ops->linked_set_reg)
1055 rtlpriv->cfg->ops->linked_set_reg(hw);
1056 send_beacon_frame(hw, vif);
1057 }
1058 }
1059 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1060 !bss_conf->enable_beacon)) {
1061 if (mac->beacon_enabled == 1) {
1062 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1063 "ADHOC DISABLE BEACON\n");
1064
1065 mac->beacon_enabled = 0;
1066 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1067 rtlpriv->cfg->maps
1068 [RTL_IBSS_INT_MASKS]);
1069 }
1070 }
1071 if (changed & BSS_CHANGED_BEACON_INT) {
1072 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
1073 "BSS_CHANGED_BEACON_INT\n");
1074 mac->beacon_interval = bss_conf->beacon_int;
1075 rtlpriv->cfg->ops->set_bcn_intv(hw);
1076 }
1077 }
1078
1079 /*TODO: reference to enum ieee80211_bss_change */
1080 if (changed & BSS_CHANGED_ASSOC) {
1081 u8 mstatus;
1082 if (bss_conf->assoc) {
1083 struct ieee80211_sta *sta = NULL;
1084 u8 keep_alive = 10;
1085
1086 mstatus = RT_MEDIA_CONNECT;
1087 /* we should reset all sec info & cam
1088 * before set cam after linked, we should not
1089 * reset in disassoc, that will cause tkip->wep
1090 * fail because some flag will be wrong */
1091 /* reset sec info */
1092 rtl_cam_reset_sec_info(hw);
1093 /* reset cam to fix wep fail issue
1094 * when change from wpa to wep */
1095 rtl_cam_reset_all_entry(hw);
1096
1097 mac->link_state = MAC80211_LINKED;
1098 mac->cnt_after_linked = 0;
1099 mac->assoc_id = bss_conf->aid;
1100 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1101
1102 if (rtlpriv->cfg->ops->linked_set_reg)
1103 rtlpriv->cfg->ops->linked_set_reg(hw);
1104
1105 rcu_read_lock();
1106 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1107 if (!sta) {
1108 rcu_read_unlock();
1109 goto out;
1110 }
1111 RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1112 "send PS STATIC frame\n");
1113 if (rtlpriv->dm.supp_phymode_switch) {
1114 if (sta->ht_cap.ht_supported)
1115 rtl_send_smps_action(hw, sta,
1116 IEEE80211_SMPS_STATIC);
1117 }
1118
1119 if (rtlhal->current_bandtype == BAND_ON_5G) {
1120 mac->mode = WIRELESS_MODE_A;
1121 } else {
1122 if (sta->supp_rates[0] <= 0xf)
1123 mac->mode = WIRELESS_MODE_B;
1124 else
1125 mac->mode = WIRELESS_MODE_G;
1126 }
1127
1128 if (sta->ht_cap.ht_supported) {
1129 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1130 mac->mode = WIRELESS_MODE_N_24G;
1131 else
1132 mac->mode = WIRELESS_MODE_N_5G;
1133 }
1134
1135 if (sta->vht_cap.vht_supported) {
1136 if (rtlhal->current_bandtype == BAND_ON_5G)
1137 mac->mode = WIRELESS_MODE_AC_5G;
1138 else
1139 mac->mode = WIRELESS_MODE_AC_24G;
1140 }
1141
1142 if (vif->type == NL80211_IFTYPE_STATION && sta)
1143 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
1144 rcu_read_unlock();
1145
1146 /* to avoid AP Disassociation caused by inactivity */
1147 rtlpriv->cfg->ops->set_hw_reg(hw,
1148 HW_VAR_KEEP_ALIVE,
1149 (u8 *)(&keep_alive));
1150
1151 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1152 "BSS_CHANGED_ASSOC\n");
1153 } else {
1154 mstatus = RT_MEDIA_DISCONNECT;
1155
1156 if (mac->link_state == MAC80211_LINKED) {
1157 rtlpriv->enter_ps = false;
1158 schedule_work(&rtlpriv->works.lps_change_work);
1159 }
1160 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1161 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1162 mac->link_state = MAC80211_NOLINK;
1163 eth_zero_addr(mac->bssid);
1164 mac->vendor = PEER_UNKNOWN;
1165 mac->mode = 0;
1166
1167 if (rtlpriv->dm.supp_phymode_switch) {
1168 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1169 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1170 }
1171 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1172 "BSS_CHANGED_UN_ASSOC\n");
1173 }
1174 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1175 /* For FW LPS:
1176 * To tell firmware we have connected or disconnected
1177 */
1178 rtlpriv->cfg->ops->set_hw_reg(hw,
1179 HW_VAR_H2C_FW_JOINBSSRPT,
1180 (u8 *)(&mstatus));
1181 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1182 true : false;
1183
1184 if (rtlpriv->cfg->ops->get_btc_status())
1185 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1186 rtlpriv, mstatus);
1187 }
1188
1189 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1190 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1191 "BSS_CHANGED_ERP_CTS_PROT\n");
1192 mac->use_cts_protect = bss_conf->use_cts_prot;
1193 }
1194
1195 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1196 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
1197 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1198 bss_conf->use_short_preamble);
1199
1200 mac->short_preamble = bss_conf->use_short_preamble;
1201 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1202 (u8 *)(&mac->short_preamble));
1203 }
1204
1205 if (changed & BSS_CHANGED_ERP_SLOT) {
1206 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1207 "BSS_CHANGED_ERP_SLOT\n");
1208
1209 if (bss_conf->use_short_slot)
1210 mac->slot_time = RTL_SLOT_TIME_9;
1211 else
1212 mac->slot_time = RTL_SLOT_TIME_20;
1213
1214 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1215 (u8 *)(&mac->slot_time));
1216 }
1217
1218 if (changed & BSS_CHANGED_HT) {
1219 struct ieee80211_sta *sta = NULL;
1220
1221 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1222 "BSS_CHANGED_HT\n");
1223
1224 rcu_read_lock();
1225 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1226 if (sta) {
1227 if (sta->ht_cap.ampdu_density >
1228 mac->current_ampdu_density)
1229 mac->current_ampdu_density =
1230 sta->ht_cap.ampdu_density;
1231 if (sta->ht_cap.ampdu_factor <
1232 mac->current_ampdu_factor)
1233 mac->current_ampdu_factor =
1234 sta->ht_cap.ampdu_factor;
1235 }
1236 rcu_read_unlock();
1237
1238 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1239 (u8 *)(&mac->max_mss_density));
1240 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1241 &mac->current_ampdu_factor);
1242 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1243 &mac->current_ampdu_density);
1244 }
1245
1246 if (changed & BSS_CHANGED_BSSID) {
1247 u32 basic_rates;
1248 struct ieee80211_sta *sta = NULL;
1249
1250 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1251 (u8 *)bss_conf->bssid);
1252
1253 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1254 "bssid: %pM\n", bss_conf->bssid);
1255
1256 mac->vendor = PEER_UNKNOWN;
1257 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1258
1259 rcu_read_lock();
1260 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1261 if (!sta) {
1262 rcu_read_unlock();
1263 goto out;
1264 }
1265
1266 if (rtlhal->current_bandtype == BAND_ON_5G) {
1267 mac->mode = WIRELESS_MODE_A;
1268 } else {
1269 if (sta->supp_rates[0] <= 0xf)
1270 mac->mode = WIRELESS_MODE_B;
1271 else
1272 mac->mode = WIRELESS_MODE_G;
1273 }
1274
1275 if (sta->ht_cap.ht_supported) {
1276 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1277 mac->mode = WIRELESS_MODE_N_24G;
1278 else
1279 mac->mode = WIRELESS_MODE_N_5G;
1280 }
1281
1282 if (sta->vht_cap.vht_supported) {
1283 if (rtlhal->current_bandtype == BAND_ON_5G)
1284 mac->mode = WIRELESS_MODE_AC_5G;
1285 else
1286 mac->mode = WIRELESS_MODE_AC_24G;
1287 }
1288
1289 /* just station need it, because ibss & ap mode will
1290 * set in sta_add, and will be NULL here */
1291 if (vif->type == NL80211_IFTYPE_STATION) {
1292 struct rtl_sta_info *sta_entry;
1293 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1294 sta_entry->wireless_mode = mac->mode;
1295 }
1296
1297 if (sta->ht_cap.ht_supported) {
1298 mac->ht_enable = true;
1299
1300 /*
1301 * for cisco 1252 bw20 it's wrong
1302 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1303 * mac->bw_40 = true;
1304 * }
1305 * */
1306 }
1307
1308 if (sta->vht_cap.vht_supported)
1309 mac->vht_enable = true;
1310
1311 if (changed & BSS_CHANGED_BASIC_RATES) {
1312 /* for 5G must << RATE_6M_INDEX = 4,
1313 * because 5G have no cck rate*/
1314 if (rtlhal->current_bandtype == BAND_ON_5G)
1315 basic_rates = sta->supp_rates[1] << 4;
1316 else
1317 basic_rates = sta->supp_rates[0];
1318
1319 mac->basic_rates = basic_rates;
1320 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1321 (u8 *)(&basic_rates));
1322 }
1323 rcu_read_unlock();
1324 }
1325 out:
1326 mutex_unlock(&rtlpriv->locks.conf_mutex);
1327 }
1328
1329 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1330 {
1331 struct rtl_priv *rtlpriv = rtl_priv(hw);
1332 u64 tsf;
1333
1334 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1335 return tsf;
1336 }
1337
1338 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1339 struct ieee80211_vif *vif, u64 tsf)
1340 {
1341 struct rtl_priv *rtlpriv = rtl_priv(hw);
1342 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1343 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1344
1345 mac->tsf = tsf;
1346 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1347 }
1348
1349 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1350 {
1351 struct rtl_priv *rtlpriv = rtl_priv(hw);
1352 u8 tmp = 0;
1353
1354 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1355 }
1356
1357 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1358 struct ieee80211_vif *vif,
1359 enum sta_notify_cmd cmd,
1360 struct ieee80211_sta *sta)
1361 {
1362 switch (cmd) {
1363 case STA_NOTIFY_SLEEP:
1364 break;
1365 case STA_NOTIFY_AWAKE:
1366 break;
1367 default:
1368 break;
1369 }
1370 }
1371
1372 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1373 struct ieee80211_vif *vif,
1374 enum ieee80211_ampdu_mlme_action action,
1375 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
1376 u8 buf_size)
1377 {
1378 struct rtl_priv *rtlpriv = rtl_priv(hw);
1379
1380 switch (action) {
1381 case IEEE80211_AMPDU_TX_START:
1382 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1383 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1384 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1385 case IEEE80211_AMPDU_TX_STOP_CONT:
1386 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1387 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1388 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1389 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1390 return rtl_tx_agg_stop(hw, vif, sta, tid);
1391 case IEEE80211_AMPDU_TX_OPERATIONAL:
1392 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1393 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1394 rtl_tx_agg_oper(hw, sta, tid);
1395 break;
1396 case IEEE80211_AMPDU_RX_START:
1397 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1398 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1399 return rtl_rx_agg_start(hw, sta, tid);
1400 case IEEE80211_AMPDU_RX_STOP:
1401 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1402 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1403 return rtl_rx_agg_stop(hw, sta, tid);
1404 default:
1405 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1406 "IEEE80211_AMPDU_ERR!!!!:\n");
1407 return -EOPNOTSUPP;
1408 }
1409 return 0;
1410 }
1411
1412 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1413 struct ieee80211_vif *vif,
1414 const u8 *mac_addr)
1415 {
1416 struct rtl_priv *rtlpriv = rtl_priv(hw);
1417 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1418
1419 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1420 mac->act_scanning = true;
1421 if (rtlpriv->link_info.higher_busytraffic) {
1422 mac->skip_scan = true;
1423 return;
1424 }
1425
1426 if (rtlpriv->cfg->ops->get_btc_status())
1427 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1428
1429 if (rtlpriv->dm.supp_phymode_switch) {
1430 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1431 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1432 }
1433
1434 if (mac->link_state == MAC80211_LINKED) {
1435 rtlpriv->enter_ps = false;
1436 schedule_work(&rtlpriv->works.lps_change_work);
1437 mac->link_state = MAC80211_LINKED_SCANNING;
1438 } else {
1439 rtl_ips_nic_on(hw);
1440 }
1441
1442 /* Dul mac */
1443 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1444
1445 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1446 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1447 }
1448
1449 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1450 struct ieee80211_vif *vif)
1451 {
1452 struct rtl_priv *rtlpriv = rtl_priv(hw);
1453 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1454
1455 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1456 mac->act_scanning = false;
1457 mac->skip_scan = false;
1458 if (rtlpriv->link_info.higher_busytraffic)
1459 return;
1460
1461 /* p2p will use 1/6/11 to scan */
1462 if (mac->n_channels == 3)
1463 mac->p2p_in_use = true;
1464 else
1465 mac->p2p_in_use = false;
1466 mac->n_channels = 0;
1467 /* Dul mac */
1468 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1469
1470 if (mac->link_state == MAC80211_LINKED_SCANNING) {
1471 mac->link_state = MAC80211_LINKED;
1472 if (mac->opmode == NL80211_IFTYPE_STATION) {
1473 /* fix fwlps issue */
1474 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1475 }
1476 }
1477
1478 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1479 if (rtlpriv->cfg->ops->get_btc_status())
1480 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1481 }
1482
1483 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1484 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1485 struct ieee80211_key_conf *key)
1486 {
1487 struct rtl_priv *rtlpriv = rtl_priv(hw);
1488 u8 key_type = NO_ENCRYPTION;
1489 u8 key_idx;
1490 bool group_key = false;
1491 bool wep_only = false;
1492 int err = 0;
1493 u8 mac_addr[ETH_ALEN];
1494 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1495
1496 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1497 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1498 "not open hw encryption\n");
1499 return -ENOSPC; /*User disabled HW-crypto */
1500 }
1501 /* To support IBSS, use sw-crypto for GTK */
1502 if (((vif->type == NL80211_IFTYPE_ADHOC) ||
1503 (vif->type == NL80211_IFTYPE_MESH_POINT)) &&
1504 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1505 return -ENOSPC;
1506 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1507 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1508 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1509 sta ? sta->addr : bcast_addr);
1510 rtlpriv->sec.being_setkey = true;
1511 rtl_ips_nic_on(hw);
1512 mutex_lock(&rtlpriv->locks.conf_mutex);
1513 /* <1> get encryption alg */
1514
1515 switch (key->cipher) {
1516 case WLAN_CIPHER_SUITE_WEP40:
1517 key_type = WEP40_ENCRYPTION;
1518 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1519 break;
1520 case WLAN_CIPHER_SUITE_WEP104:
1521 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1522 key_type = WEP104_ENCRYPTION;
1523 break;
1524 case WLAN_CIPHER_SUITE_TKIP:
1525 key_type = TKIP_ENCRYPTION;
1526 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1527 break;
1528 case WLAN_CIPHER_SUITE_CCMP:
1529 key_type = AESCCMP_ENCRYPTION;
1530 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1531 break;
1532 case WLAN_CIPHER_SUITE_AES_CMAC:
1533 /* HW don't support CMAC encryption,
1534 * use software CMAC encryption
1535 */
1536 key_type = AESCMAC_ENCRYPTION;
1537 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1538 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1539 "HW don't support CMAC encrypiton, use software CMAC encrypiton\n");
1540 err = -EOPNOTSUPP;
1541 goto out_unlock;
1542 default:
1543 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1544 "alg_err:%x!!!!:\n", key->cipher);
1545 goto out_unlock;
1546 }
1547 if (key_type == WEP40_ENCRYPTION ||
1548 key_type == WEP104_ENCRYPTION ||
1549 vif->type == NL80211_IFTYPE_ADHOC)
1550 rtlpriv->sec.use_defaultkey = true;
1551
1552 /* <2> get key_idx */
1553 key_idx = (u8) (key->keyidx);
1554 if (key_idx > 3)
1555 goto out_unlock;
1556 /* <3> if pairwise key enable_hw_sec */
1557 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1558
1559 /* wep always be group key, but there are two conditions:
1560 * 1) wep only: is just for wep enc, in this condition
1561 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1562 * will be true & enable_hw_sec will be set when wep
1563 * ke setting.
1564 * 2) wep(group) + AES(pairwise): some AP like cisco
1565 * may use it, in this condition enable_hw_sec will not
1566 * be set when wep key setting */
1567 /* we must reset sec_info after lingked before set key,
1568 * or some flag will be wrong*/
1569 if (vif->type == NL80211_IFTYPE_AP ||
1570 vif->type == NL80211_IFTYPE_MESH_POINT) {
1571 if (!group_key || key_type == WEP40_ENCRYPTION ||
1572 key_type == WEP104_ENCRYPTION) {
1573 if (group_key)
1574 wep_only = true;
1575 rtlpriv->cfg->ops->enable_hw_sec(hw);
1576 }
1577 } else {
1578 if ((!group_key) || (vif->type == NL80211_IFTYPE_ADHOC) ||
1579 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1580 if (rtlpriv->sec.pairwise_enc_algorithm ==
1581 NO_ENCRYPTION &&
1582 (key_type == WEP40_ENCRYPTION ||
1583 key_type == WEP104_ENCRYPTION))
1584 wep_only = true;
1585 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1586 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1587 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1588 key_type);
1589 rtlpriv->cfg->ops->enable_hw_sec(hw);
1590 }
1591 }
1592 /* <4> set key based on cmd */
1593 switch (cmd) {
1594 case SET_KEY:
1595 if (wep_only) {
1596 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1597 "set WEP(group/pairwise) key\n");
1598 /* Pairwise key with an assigned MAC address. */
1599 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1600 rtlpriv->sec.group_enc_algorithm = key_type;
1601 /*set local buf about wep key. */
1602 memcpy(rtlpriv->sec.key_buf[key_idx],
1603 key->key, key->keylen);
1604 rtlpriv->sec.key_len[key_idx] = key->keylen;
1605 eth_zero_addr(mac_addr);
1606 } else if (group_key) { /* group key */
1607 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1608 "set group key\n");
1609 /* group key */
1610 rtlpriv->sec.group_enc_algorithm = key_type;
1611 /*set local buf about group key. */
1612 memcpy(rtlpriv->sec.key_buf[key_idx],
1613 key->key, key->keylen);
1614 rtlpriv->sec.key_len[key_idx] = key->keylen;
1615 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1616 } else { /* pairwise key */
1617 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1618 "set pairwise key\n");
1619 if (!sta) {
1620 RT_ASSERT(false,
1621 "pairwise key without mac_addr\n");
1622
1623 err = -EOPNOTSUPP;
1624 goto out_unlock;
1625 }
1626 /* Pairwise key with an assigned MAC address. */
1627 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1628 /*set local buf about pairwise key. */
1629 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1630 key->key, key->keylen);
1631 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1632 rtlpriv->sec.pairwise_key =
1633 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1634 memcpy(mac_addr, sta->addr, ETH_ALEN);
1635 }
1636 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1637 group_key, key_type, wep_only,
1638 false);
1639 /* <5> tell mac80211 do something: */
1640 /*must use sw generate IV, or can not work !!!!. */
1641 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1642 key->hw_key_idx = key_idx;
1643 if (key_type == TKIP_ENCRYPTION)
1644 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1645 /*use software CCMP encryption for management frames (MFP) */
1646 if (key_type == AESCCMP_ENCRYPTION)
1647 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1648 break;
1649 case DISABLE_KEY:
1650 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1651 "disable key delete one entry\n");
1652 /*set local buf about wep key. */
1653 if (vif->type == NL80211_IFTYPE_AP ||
1654 vif->type == NL80211_IFTYPE_MESH_POINT) {
1655 if (sta)
1656 rtl_cam_del_entry(hw, sta->addr);
1657 }
1658 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1659 rtlpriv->sec.key_len[key_idx] = 0;
1660 eth_zero_addr(mac_addr);
1661 /*
1662 *mac80211 will delete entrys one by one,
1663 *so don't use rtl_cam_reset_all_entry
1664 *or clear all entry here.
1665 */
1666 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1667 break;
1668 default:
1669 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1670 "cmd_err:%x!!!!:\n", cmd);
1671 }
1672 out_unlock:
1673 mutex_unlock(&rtlpriv->locks.conf_mutex);
1674 rtlpriv->sec.being_setkey = false;
1675 return err;
1676 }
1677
1678 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1679 {
1680 struct rtl_priv *rtlpriv = rtl_priv(hw);
1681
1682 bool radio_state;
1683 bool blocked;
1684 u8 valid = 0;
1685
1686 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1687 return;
1688
1689 mutex_lock(&rtlpriv->locks.conf_mutex);
1690
1691 /*if Radio On return true here */
1692 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1693
1694 if (valid) {
1695 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1696 rtlpriv->rfkill.rfkill_state = radio_state;
1697
1698 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1699 "wireless radio switch turned %s\n",
1700 radio_state ? "on" : "off");
1701
1702 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1703 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1704 }
1705 }
1706
1707 mutex_unlock(&rtlpriv->locks.conf_mutex);
1708 }
1709
1710 /* this function is called by mac80211 to flush tx buffer
1711 * before switch channle or power save, or tx buffer packet
1712 * maybe send after offchannel or rf sleep, this may cause
1713 * dis-association by AP */
1714 static void rtl_op_flush(struct ieee80211_hw *hw,
1715 struct ieee80211_vif *vif,
1716 u32 queues,
1717 bool drop)
1718 {
1719 struct rtl_priv *rtlpriv = rtl_priv(hw);
1720
1721 if (rtlpriv->intf_ops->flush)
1722 rtlpriv->intf_ops->flush(hw, queues, drop);
1723 }
1724
1725 /* Description:
1726 * This routine deals with the Power Configuration CMD
1727 * parsing for RTL8723/RTL8188E Series IC.
1728 * Assumption:
1729 * We should follow specific format that was released from HW SD.
1730 */
1731 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1732 u8 faversion, u8 interface_type,
1733 struct wlan_pwr_cfg pwrcfgcmd[])
1734 {
1735 struct wlan_pwr_cfg cfg_cmd = {0};
1736 bool polling_bit = false;
1737 u32 ary_idx = 0;
1738 u8 value = 0;
1739 u32 offset = 0;
1740 u32 polling_count = 0;
1741 u32 max_polling_cnt = 5000;
1742
1743 do {
1744 cfg_cmd = pwrcfgcmd[ary_idx];
1745 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1746 "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1747 GET_PWR_CFG_OFFSET(cfg_cmd),
1748 GET_PWR_CFG_CUT_MASK(cfg_cmd),
1749 GET_PWR_CFG_FAB_MASK(cfg_cmd),
1750 GET_PWR_CFG_INTF_MASK(cfg_cmd),
1751 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1752 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1753
1754 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1755 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1756 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1757 switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1758 case PWR_CMD_READ:
1759 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1760 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1761 break;
1762 case PWR_CMD_WRITE:
1763 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1764 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n");
1765 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1766
1767 /*Read the value from system register*/
1768 value = rtl_read_byte(rtlpriv, offset);
1769 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1770 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1771 GET_PWR_CFG_MASK(cfg_cmd));
1772
1773 /*Write the value back to sytem register*/
1774 rtl_write_byte(rtlpriv, offset, value);
1775 break;
1776 case PWR_CMD_POLLING:
1777 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1778 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1779 polling_bit = false;
1780 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1781
1782 do {
1783 value = rtl_read_byte(rtlpriv, offset);
1784
1785 value &= GET_PWR_CFG_MASK(cfg_cmd);
1786 if (value ==
1787 (GET_PWR_CFG_VALUE(cfg_cmd) &
1788 GET_PWR_CFG_MASK(cfg_cmd)))
1789 polling_bit = true;
1790 else
1791 udelay(10);
1792
1793 if (polling_count++ > max_polling_cnt)
1794 return false;
1795 } while (!polling_bit);
1796 break;
1797 case PWR_CMD_DELAY:
1798 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1799 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
1800 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1801 PWRSEQ_DELAY_US)
1802 udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1803 else
1804 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1805 break;
1806 case PWR_CMD_END:
1807 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1808 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
1809 return true;
1810 default:
1811 RT_ASSERT(false,
1812 "rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1813 break;
1814 }
1815 }
1816 ary_idx++;
1817 } while (1);
1818
1819 return true;
1820 }
1821 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1822
1823 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1824 {
1825 struct rtl_priv *rtlpriv = rtl_priv(hw);
1826 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1827 struct rtl8192_tx_ring *ring;
1828 struct rtl_tx_desc *pdesc;
1829 unsigned long flags;
1830 struct sk_buff *pskb = NULL;
1831
1832 ring = &rtlpci->tx_ring[BEACON_QUEUE];
1833
1834 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1835 pskb = __skb_dequeue(&ring->queue);
1836 if (pskb)
1837 kfree_skb(pskb);
1838
1839 /*this is wrong, fill_tx_cmddesc needs update*/
1840 pdesc = &ring->desc[0];
1841
1842 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1843
1844 __skb_queue_tail(&ring->queue, skb);
1845
1846 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1847
1848 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1849
1850 return true;
1851 }
1852 EXPORT_SYMBOL(rtl_cmd_send_packet);
1853 const struct ieee80211_ops rtl_ops = {
1854 .start = rtl_op_start,
1855 .stop = rtl_op_stop,
1856 .tx = rtl_op_tx,
1857 .add_interface = rtl_op_add_interface,
1858 .remove_interface = rtl_op_remove_interface,
1859 .change_interface = rtl_op_change_interface,
1860 #ifdef CONFIG_PM
1861 .suspend = rtl_op_suspend,
1862 .resume = rtl_op_resume,
1863 #endif
1864 .config = rtl_op_config,
1865 .configure_filter = rtl_op_configure_filter,
1866 .set_key = rtl_op_set_key,
1867 .conf_tx = rtl_op_conf_tx,
1868 .bss_info_changed = rtl_op_bss_info_changed,
1869 .get_tsf = rtl_op_get_tsf,
1870 .set_tsf = rtl_op_set_tsf,
1871 .reset_tsf = rtl_op_reset_tsf,
1872 .sta_notify = rtl_op_sta_notify,
1873 .ampdu_action = rtl_op_ampdu_action,
1874 .sw_scan_start = rtl_op_sw_scan_start,
1875 .sw_scan_complete = rtl_op_sw_scan_complete,
1876 .rfkill_poll = rtl_op_rfkill_poll,
1877 .sta_add = rtl_op_sta_add,
1878 .sta_remove = rtl_op_sta_remove,
1879 .flush = rtl_op_flush,
1880 };
1881 EXPORT_SYMBOL_GPL(rtl_ops);
1882
1883 bool rtl_btc_status_false(void)
1884 {
1885 return false;
1886 }
1887 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1888
1889 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1890 {
1891 struct rtl_priv *rtlpriv = rtl_priv(hw);
1892 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1893
1894 dm_digtable->dig_enable_flag = true;
1895 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1896 dm_digtable->cur_igvalue = cur_igvalue;
1897 dm_digtable->pre_igvalue = 0;
1898 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1899 dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1900 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1901 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1902 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1903 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1904 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1905 dm_digtable->rx_gain_max = DM_DIG_MAX;
1906 dm_digtable->rx_gain_min = DM_DIG_MIN;
1907 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1908 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1909 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1910 dm_digtable->pre_cck_cca_thres = 0xff;
1911 dm_digtable->cur_cck_cca_thres = 0x83;
1912 dm_digtable->forbidden_igi = DM_DIG_MIN;
1913 dm_digtable->large_fa_hit = 0;
1914 dm_digtable->recover_cnt = 0;
1915 dm_digtable->dig_min_0 = 0x25;
1916 dm_digtable->dig_min_1 = 0x25;
1917 dm_digtable->media_connect_0 = false;
1918 dm_digtable->media_connect_1 = false;
1919 rtlpriv->dm.dm_initialgain_enable = true;
1920 dm_digtable->bt30_cur_igi = 0x32;
1921 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1922 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1923 }
1924 EXPORT_SYMBOL(rtl_dm_diginit);
Linux kernel - Deliverables
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