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[karo-tx-linux.git] / drivers / net / wireless / realtek / 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, bool amsdu)
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);