]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - drivers/net/wireless/realtek/rtlwifi/core.c
projects / mirror_ubuntu-bionic-kernel.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge tag 'wireless-drivers-next-for-davem-2016-12-01' of git://git.kernel.org/pub...
[mirror_ubuntu-bionic-kernel.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 u8 channel5g[CHANNEL_MAX_NUMBER_5G] = {
39 36, 38, 40, 42, 44, 46, 48, /* Band 1 */
40 52, 54, 56, 58, 60, 62, 64, /* Band 2 */
41 100, 102, 104, 106, 108, 110, 112, /* Band 3 */
42 116, 118, 120, 122, 124, 126, 128, /* Band 3 */
43 132, 134, 136, 138, 140, 142, 144, /* Band 3 */
44 149, 151, 153, 155, 157, 159, 161, /* Band 4 */
45 165, 167, 169, 171, 173, 175, 177 /* Band 4 */
46 };
47 EXPORT_SYMBOL(channel5g);
48
49 u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = {
50 42, 58, 106, 122, 138, 155, 171
51 };
52 EXPORT_SYMBOL(channel5g_80m);
53
54 void rtl_addr_delay(u32 addr)
55 {
56 if (addr == 0xfe)
57 mdelay(50);
58 else if (addr == 0xfd)
59 msleep(5);
60 else if (addr == 0xfc)
61 msleep(1);
62 else if (addr == 0xfb)
63 usleep_range(50, 100);
64 else if (addr == 0xfa)
65 usleep_range(5, 10);
66 else if (addr == 0xf9)
67 usleep_range(1, 2);
68 }
69 EXPORT_SYMBOL(rtl_addr_delay);
70
71 void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
72 u32 mask, u32 data)
73 {
74 if (addr >= 0xf9 && addr <= 0xfe) {
75 rtl_addr_delay(addr);
76 } else {
77 rtl_set_rfreg(hw, rfpath, addr, mask, data);
78 udelay(1);
79 }
80 }
81 EXPORT_SYMBOL(rtl_rfreg_delay);
82
83 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data)
84 {
85 if (addr >= 0xf9 && addr <= 0xfe) {
86 rtl_addr_delay(addr);
87 } else {
88 rtl_set_bbreg(hw, addr, MASKDWORD, data);
89 udelay(1);
90 }
91 }
92 EXPORT_SYMBOL(rtl_bb_delay);
93
94 static void rtl_fw_do_work(const struct firmware *firmware, void *context,
95 bool is_wow)
96 {
97 struct ieee80211_hw *hw = context;
98 struct rtl_priv *rtlpriv = rtl_priv(hw);
99 int err;
100
101 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
102 "Firmware callback routine entered!\n");
103 complete(&rtlpriv->firmware_loading_complete);
104 if (!firmware) {
105 if (rtlpriv->cfg->alt_fw_name) {
106 err = request_firmware(&firmware,
107 rtlpriv->cfg->alt_fw_name,
108 rtlpriv->io.dev);
109 pr_info("Loading alternative firmware %s\n",
110 rtlpriv->cfg->alt_fw_name);
111 if (!err)
112 goto found_alt;
113 }
114 pr_err("Selected firmware is not available\n");
115 rtlpriv->max_fw_size = 0;
116 return;
117 }
118 found_alt:
119 if (firmware->size > rtlpriv->max_fw_size) {
120 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
121 "Firmware is too big!\n");
122 release_firmware(firmware);
123 return;
124 }
125 if (!is_wow) {
126 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
127 firmware->size);
128 rtlpriv->rtlhal.fwsize = firmware->size;
129 } else {
130 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
131 firmware->size);
132 rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
133 }
134 rtlpriv->rtlhal.fwsize = firmware->size;
135 release_firmware(firmware);
136 }
137
138 void rtl_fw_cb(const struct firmware *firmware, void *context)
139 {
140 rtl_fw_do_work(firmware, context, false);
141 }
142 EXPORT_SYMBOL(rtl_fw_cb);
143
144 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
145 {
146 rtl_fw_do_work(firmware, context, true);
147 }
148 EXPORT_SYMBOL(rtl_wowlan_fw_cb);
149
150 /*mutex for start & stop is must here. */
151 static int rtl_op_start(struct ieee80211_hw *hw)
152 {
153 int err = 0;
154 struct rtl_priv *rtlpriv = rtl_priv(hw);
155 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
156
157 if (!is_hal_stop(rtlhal))
158 return 0;
159 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
160 return 0;
161 mutex_lock(&rtlpriv->locks.conf_mutex);
162 err = rtlpriv->intf_ops->adapter_start(hw);
163 if (!err)
164 rtl_watch_dog_timer_callback((unsigned long)hw);
165 mutex_unlock(&rtlpriv->locks.conf_mutex);
166 return err;
167 }
168
169 static void rtl_op_stop(struct ieee80211_hw *hw)
170 {
171 struct rtl_priv *rtlpriv = rtl_priv(hw);
172 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
173 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
174 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
175 bool support_remote_wakeup = false;
176
177 if (is_hal_stop(rtlhal))
178 return;
179
180 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
181 (u8 *)(&support_remote_wakeup));
182 /* here is must, because adhoc do stop and start,
183 * but stop with RFOFF may cause something wrong,
184 * like adhoc TP
185 */
186 if (unlikely(ppsc->rfpwr_state == ERFOFF))
187 rtl_ips_nic_on(hw);
188
189 mutex_lock(&rtlpriv->locks.conf_mutex);
190 /* if wowlan supported, DON'T clear connected info */
191 if (!(support_remote_wakeup &&
192 rtlhal->enter_pnp_sleep)) {
193 mac->link_state = MAC80211_NOLINK;
194 eth_zero_addr(mac->bssid);
195 mac->vendor = PEER_UNKNOWN;
196
197 /* reset sec info */
198 rtl_cam_reset_sec_info(hw);
199
200 rtl_deinit_deferred_work(hw);
201 }
202 rtlpriv->intf_ops->adapter_stop(hw);
203
204 mutex_unlock(&rtlpriv->locks.conf_mutex);
205 }
206
207 static void rtl_op_tx(struct ieee80211_hw *hw,
208 struct ieee80211_tx_control *control,
209 struct sk_buff *skb)
210 {
211 struct rtl_priv *rtlpriv = rtl_priv(hw);
212 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
213 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
214 struct rtl_tcb_desc tcb_desc;
215 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
216
217 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
218 goto err_free;
219
220 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
221 goto err_free;
222
223 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
224 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
225 return;
226
227 err_free:
228 dev_kfree_skb_any(skb);
229 }
230
231 static int rtl_op_add_interface(struct ieee80211_hw *hw,
232 struct ieee80211_vif *vif)
233 {
234 struct rtl_priv *rtlpriv = rtl_priv(hw);
235 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
236 int err = 0;
237
238 if (mac->vif) {
239 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
240 "vif has been set!! mac->vif = 0x%p\n", mac->vif);
241 return -EOPNOTSUPP;
242 }
243
244 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
245
246 rtl_ips_nic_on(hw);
247
248 mutex_lock(&rtlpriv->locks.conf_mutex);
249 switch (ieee80211_vif_type_p2p(vif)) {
250 case NL80211_IFTYPE_P2P_CLIENT:
251 mac->p2p = P2P_ROLE_CLIENT;
252 /*fall through*/
253 case NL80211_IFTYPE_STATION:
254 if (mac->beacon_enabled == 1) {
255 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
256 "NL80211_IFTYPE_STATION\n");
257 mac->beacon_enabled = 0;
258 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
259 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
260 }
261 break;
262 case NL80211_IFTYPE_ADHOC:
263 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
264 "NL80211_IFTYPE_ADHOC\n");
265
266 mac->link_state = MAC80211_LINKED;
267 rtlpriv->cfg->ops->set_bcn_reg(hw);
268 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
269 mac->basic_rates = 0xfff;
270 else
271 mac->basic_rates = 0xff0;
272 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
273 (u8 *)(&mac->basic_rates));
274
275 break;
276 case NL80211_IFTYPE_P2P_GO:
277 mac->p2p = P2P_ROLE_GO;
278 /*fall through*/
279 case NL80211_IFTYPE_AP:
280 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
281 "NL80211_IFTYPE_AP\n");
282
283 mac->link_state = MAC80211_LINKED;
284 rtlpriv->cfg->ops->set_bcn_reg(hw);
285 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
286 mac->basic_rates = 0xfff;
287 else
288 mac->basic_rates = 0xff0;
289 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
290 (u8 *)(&mac->basic_rates));
291 break;
292 case NL80211_IFTYPE_MESH_POINT:
293 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
294 "NL80211_IFTYPE_MESH_POINT\n");
295
296 mac->link_state = MAC80211_LINKED;
297 rtlpriv->cfg->ops->set_bcn_reg(hw);
298 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
299 mac->basic_rates = 0xfff;
300 else
301 mac->basic_rates = 0xff0;
302 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
303 (u8 *)(&mac->basic_rates));
304 break;
305 default:
306 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
307 "operation mode %d is not support!\n", vif->type);
308 err = -EOPNOTSUPP;
309 goto out;
310 }
311
312 if (mac->p2p) {
313 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
314 "p2p role %x\n", vif->type);
315 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
316 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
317 (u8 *)(&mac->basic_rates));
318 }
319 mac->vif = vif;
320 mac->opmode = vif->type;
321 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
322 memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
323 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
324
325 out:
326 mutex_unlock(&rtlpriv->locks.conf_mutex);
327 return err;
328 }
329
330 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
331 struct ieee80211_vif *vif)
332 {
333 struct rtl_priv *rtlpriv = rtl_priv(hw);
334 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
335
336 mutex_lock(&rtlpriv->locks.conf_mutex);
337
338 /* Free beacon resources */
339 if ((vif->type == NL80211_IFTYPE_AP) ||
340 (vif->type == NL80211_IFTYPE_ADHOC) ||
341 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
342 if (mac->beacon_enabled == 1) {
343 mac->beacon_enabled = 0;
344 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
345 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
346 }
347 }
348
349 /*
350 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
351 *NO LINK for our hardware.
352 */
353 mac->p2p = 0;
354 mac->vif = NULL;
355 mac->link_state = MAC80211_NOLINK;
356 eth_zero_addr(mac->bssid);
357 mac->vendor = PEER_UNKNOWN;
358 mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
359 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
360
361 mutex_unlock(&rtlpriv->locks.conf_mutex);
362 }
363 static int rtl_op_change_interface(struct ieee80211_hw *hw,
364 struct ieee80211_vif *vif,
365 enum nl80211_iftype new_type, bool p2p)
366 {
367 struct rtl_priv *rtlpriv = rtl_priv(hw);
368 int ret;
369 rtl_op_remove_interface(hw, vif);
370
371 vif->type = new_type;
372 vif->p2p = p2p;
373 ret = rtl_op_add_interface(hw, vif);
374 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
375 "p2p %x\n", p2p);
376 return ret;
377 }
378
379 #ifdef CONFIG_PM
380 static u16 crc16_ccitt(u8 data, u16 crc)
381 {
382 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
383 u8 i;
384 u16 result;
385
386 for (i = 0; i < 8; i++) {
387 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
388 data_bit = (data & (BIT(0) << i) ? 1 : 0);
389 shift_in = crc_bit15 ^ data_bit;
390
391 result = crc << 1;
392 if (shift_in == 0)
393 result &= (~BIT(0));
394 else
395 result |= BIT(0);
396
397 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
398 if (crc_bit11 == 0)
399 result &= (~BIT(12));
400 else
401 result |= BIT(12);
402
403 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
404 if (crc_bit4 == 0)
405 result &= (~BIT(5));
406 else
407 result |= BIT(5);
408
409 crc = result;
410 }
411
412 return crc;
413 }
414
415 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
416 {
417 u16 crc = 0xffff;
418 u32 i;
419
420 for (i = 0; i < len; i++)
421 crc = crc16_ccitt(pattern[i], crc);
422
423 crc = ~crc;
424
425 return crc;
426 }
427
428 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
429 struct cfg80211_wowlan *wow)
430 {
431 struct rtl_priv *rtlpriv = rtl_priv(hw);
432 struct rtl_mac *mac = &rtlpriv->mac80211;
433 struct cfg80211_pkt_pattern *patterns = wow->patterns;
434 struct rtl_wow_pattern rtl_pattern;
435 const u8 *pattern_os, *mask_os;
436 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
437 u8 content[MAX_WOL_PATTERN_SIZE] = {0};
438 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
439 u8 multicast_addr1[2] = {0x33, 0x33};
440 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
441 u8 i, mask_len;
442 u16 j, len;
443
444 for (i = 0; i < wow->n_patterns; i++) {
445 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
446 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
447 if (patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
448 RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
449 "Pattern[%d] is too long\n", i);
450 continue;
451 }
452 pattern_os = patterns[i].pattern;
453 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
454 mask_os = patterns[i].mask;
455 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
456 "pattern content\n", pattern_os,
457 patterns[i].pattern_len);
458 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
459 "mask content\n", mask_os, mask_len);
460 /* 1. unicast? multicast? or broadcast? */
461 if (memcmp(pattern_os, broadcast_addr, 6) == 0)
462 rtl_pattern.type = BROADCAST_PATTERN;
463 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
464 memcmp(pattern_os, multicast_addr2, 3) == 0)
465 rtl_pattern.type = MULTICAST_PATTERN;
466 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0)
467 rtl_pattern.type = UNICAST_PATTERN;
468 else
469 rtl_pattern.type = UNKNOWN_TYPE;
470
471 /* 2. translate mask_from_os to mask_for_hw */
472
473 /******************************************************************************
474 * pattern from OS uses 'ethenet frame', like this:
475
476 | 6 | 6 | 2 | 20 | Variable | 4 |
477 |--------+--------+------+-----------+------------+-----|
478 | 802.3 Mac Header | IP Header | TCP Packet | FCS |
479 | DA | SA | Type |
480
481 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
482
483 | 24 or 30 | 6 | 2 | 20 | Variable | 4 |
484 |-------------------+--------+------+-----------+------------+-----|
485 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS |
486 | Others | Tpye |
487
488 * Therefore, we need translate mask_from_OS to mask_to_hw.
489 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
490 * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
491 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
492 ******************************************************************************/
493
494 /* Shift 6 bits */
495 for (j = 0; j < mask_len - 1; j++) {
496 mask[j] = mask_os[j] >> 6;
497 mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
498 }
499 mask[j] = (mask_os[j] >> 6) & 0x3F;
500 /* Set bit 0-5 to zero */
501 mask[0] &= 0xC0;
502
503 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
504 "mask to hw\n", mask, mask_len);
505 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
506 rtl_pattern.mask[j] = mask[j * 4];
507 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
508 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
509 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
510 }
511
512 /* To get the wake up pattern from the mask.
513 * We do not count first 12 bits which means
514 * DA[6] and SA[6] in the pattern to match HW design.
515 */
516 len = 0;
517 for (j = 12; j < patterns[i].pattern_len; j++) {
518 if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
519 content[len] = pattern_os[j];
520 len++;
521 }
522 }
523
524 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
525 "pattern to hw\n", content, len);
526 /* 3. calculate crc */
527 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
528 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
529 "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
530
531 /* 4. write crc & mask_for_hw to hw */
532 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
533 }
534 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
535 }
536
537 static int rtl_op_suspend(struct ieee80211_hw *hw,
538 struct cfg80211_wowlan *wow)
539 {
540 struct rtl_priv *rtlpriv = rtl_priv(hw);
541 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
542 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
543 struct timeval ts;
544
545 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
546 if (WARN_ON(!wow))
547 return -EINVAL;
548
549 /* to resolve s4 can not wake up*/
550 do_gettimeofday(&ts);
551 rtlhal->last_suspend_sec = ts.tv_sec;
552
553 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
554 _rtl_add_wowlan_patterns(hw, wow);
555
556 rtlhal->driver_is_goingto_unload = true;
557 rtlhal->enter_pnp_sleep = true;
558
559 rtl_lps_leave(hw);
560 rtl_op_stop(hw);
561 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
562 return 0;
563 }
564
565 static int rtl_op_resume(struct ieee80211_hw *hw)
566 {
567 struct rtl_priv *rtlpriv = rtl_priv(hw);
568 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
569 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
570 struct timeval ts;
571
572 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
573 rtlhal->driver_is_goingto_unload = false;
574 rtlhal->enter_pnp_sleep = false;
575 rtlhal->wake_from_pnp_sleep = true;
576
577 /* to resovle s4 can not wake up*/
578 do_gettimeofday(&ts);
579 if (ts.tv_sec - rtlhal->last_suspend_sec < 5)
580 return -1;
581
582 rtl_op_start(hw);
583 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
584 ieee80211_resume_disconnect(mac->vif);
585 rtlhal->wake_from_pnp_sleep = false;
586 return 0;
587 }
588 #endif
589
590 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
591 {
592 struct rtl_priv *rtlpriv = rtl_priv(hw);
593 struct rtl_phy *rtlphy = &(rtlpriv->phy);
594 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
595 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
596 struct ieee80211_conf *conf = &hw->conf;
597
598 if (mac->skip_scan)
599 return 1;
600
601 mutex_lock(&rtlpriv->locks.conf_mutex);
602 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/
603 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
604 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
605 }
606
607 /*For IPS */
608 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
609 if (hw->conf.flags & IEEE80211_CONF_IDLE)
610 rtl_ips_nic_off(hw);
611 else
612 rtl_ips_nic_on(hw);
613 } else {
614 /*
615 *although rfoff may not cause by ips, but we will
616 *check the reason in set_rf_power_state function
617 */
618 if (unlikely(ppsc->rfpwr_state == ERFOFF))
619 rtl_ips_nic_on(hw);
620 }
621
622 /*For LPS */
623 if (changed & IEEE80211_CONF_CHANGE_PS) {
624 cancel_delayed_work(&rtlpriv->works.ps_work);
625 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
626 if (conf->flags & IEEE80211_CONF_PS) {
627 rtlpriv->psc.sw_ps_enabled = true;
628 /* sleep here is must, or we may recv the beacon and
629 * cause mac80211 into wrong ps state, this will cause
630 * power save nullfunc send fail, and further cause
631 * pkt loss, So sleep must quickly but not immediatly
632 * because that will cause nullfunc send by mac80211
633 * fail, and cause pkt loss, we have tested that 5mA
634 * is worked very well */
635 if (!rtlpriv->psc.multi_buffered)
636 queue_delayed_work(rtlpriv->works.rtl_wq,
637 &rtlpriv->works.ps_work,
638 MSECS(5));
639 } else {
640 rtl_swlps_rf_awake(hw);
641 rtlpriv->psc.sw_ps_enabled = false;
642 }
643 }
644
645 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
646 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
647 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
648 hw->conf.long_frame_max_tx_count);
649 mac->retry_long = hw->conf.long_frame_max_tx_count;
650 mac->retry_short = hw->conf.long_frame_max_tx_count;
651 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
652 (u8 *)(&hw->conf.long_frame_max_tx_count));
653 }
654
655 if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
656 !rtlpriv->proximity.proxim_on) {
657 struct ieee80211_channel *channel = hw->conf.chandef.chan;
658 enum nl80211_chan_width width = hw->conf.chandef.width;
659 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
660 u8 wide_chan = (u8) channel->hw_value;
661
662 /* channel_type is for 20&40M */
663 if (width < NL80211_CHAN_WIDTH_80)
664 channel_type =
665 cfg80211_get_chandef_type(&hw->conf.chandef);
666 if (mac->act_scanning)
667 mac->n_channels++;
668
669 if (rtlpriv->dm.supp_phymode_switch &&
670 mac->link_state < MAC80211_LINKED &&
671 !mac->act_scanning) {
672 if (rtlpriv->cfg->ops->chk_switch_dmdp)
673 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
674 }
675
676 /*
677 *because we should back channel to
678 *current_network.chan in in scanning,
679 *So if set_chan == current_network.chan
680 *we should set it.
681 *because mac80211 tell us wrong bw40
682 *info for cisco1253 bw20, so we modify
683 *it here based on UPPER & LOWER
684 */
685
686 if (width >= NL80211_CHAN_WIDTH_80) {
687 if (width == NL80211_CHAN_WIDTH_80) {
688 u32 center = hw->conf.chandef.center_freq1;
689 u32 primary =
690 (u32)hw->conf.chandef.chan->center_freq;
691
692 rtlphy->current_chan_bw =
693 HT_CHANNEL_WIDTH_80;
694 mac->bw_80 = true;
695 mac->bw_40 = true;
696 if (center > primary) {
697 mac->cur_80_prime_sc =
698 PRIME_CHNL_OFFSET_LOWER;
699 if (center - primary == 10) {
700 mac->cur_40_prime_sc =
701 PRIME_CHNL_OFFSET_UPPER;
702
703 wide_chan += 2;
704 } else if (center - primary == 30) {
705 mac->cur_40_prime_sc =
706 PRIME_CHNL_OFFSET_LOWER;
707
708 wide_chan += 6;
709 }
710 } else {
711 mac->cur_80_prime_sc =
712 PRIME_CHNL_OFFSET_UPPER;
713 if (primary - center == 10) {
714 mac->cur_40_prime_sc =
715 PRIME_CHNL_OFFSET_LOWER;
716
717 wide_chan -= 2;
718 } else if (primary - center == 30) {
719 mac->cur_40_prime_sc =
720 PRIME_CHNL_OFFSET_UPPER;
721
722 wide_chan -= 6;
723 }
724 }
725 }
726 } else {
727 switch (channel_type) {
728 case NL80211_CHAN_HT20:
729 case NL80211_CHAN_NO_HT:
730 /* SC */
731 mac->cur_40_prime_sc =
732 PRIME_CHNL_OFFSET_DONT_CARE;
733 rtlphy->current_chan_bw =
734 HT_CHANNEL_WIDTH_20;
735 mac->bw_40 = false;
736 mac->bw_80 = false;
737 break;
738 case NL80211_CHAN_HT40MINUS:
739 /* SC */
740 mac->cur_40_prime_sc =
741 PRIME_CHNL_OFFSET_UPPER;
742 rtlphy->current_chan_bw =
743 HT_CHANNEL_WIDTH_20_40;
744 mac->bw_40 = true;
745 mac->bw_80 = false;
746
747 /*wide channel */
748 wide_chan -= 2;
749
750 break;
751 case NL80211_CHAN_HT40PLUS:
752 /* SC */
753 mac->cur_40_prime_sc =
754 PRIME_CHNL_OFFSET_LOWER;
755 rtlphy->current_chan_bw =
756 HT_CHANNEL_WIDTH_20_40;
757 mac->bw_40 = true;
758 mac->bw_80 = false;
759
760 /*wide channel */
761 wide_chan += 2;
762
763 break;
764 default:
765 mac->bw_40 = false;
766 mac->bw_80 = false;
767 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
768 "switch case %#x not processed\n",
769 channel_type);
770 break;
771 }
772 }
773
774 if (wide_chan <= 0)
775 wide_chan = 1;
776
777 /* In scanning, when before we offchannel we may send a ps=1
778 * null to AP, and then we may send a ps = 0 null to AP quickly,
779 * but first null may have caused AP to put lots of packet to
780 * hw tx buffer. These packets must be tx'd before we go off
781 * channel so we must delay more time to let AP flush these
782 * packets before going offchannel, or dis-association or
783 * delete BA will be caused by AP
784 */
785 if (rtlpriv->mac80211.offchan_delay) {
786 rtlpriv->mac80211.offchan_delay = false;
787 mdelay(50);
788 }
789
790 rtlphy->current_channel = wide_chan;
791
792 rtlpriv->cfg->ops->switch_channel(hw);
793 rtlpriv->cfg->ops->set_channel_access(hw);
794 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
795 }
796
797 mutex_unlock(&rtlpriv->locks.conf_mutex);
798
799 return 0;
800 }
801
802 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
803 unsigned int changed_flags,
804 unsigned int *new_flags, u64 multicast)
805 {
806 bool update_rcr = false;
807 struct rtl_priv *rtlpriv = rtl_priv(hw);
808 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
809
810 *new_flags &= RTL_SUPPORTED_FILTERS;
811 if (0 == changed_flags)
812 return;
813
814 /*TODO: we disable broadcase now, so enable here */
815 if (changed_flags & FIF_ALLMULTI) {
816 if (*new_flags & FIF_ALLMULTI) {
817 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
818 rtlpriv->cfg->maps[MAC_RCR_AB];
819 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
820 "Enable receive multicast frame\n");
821 } else {
822 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
823 rtlpriv->cfg->maps[MAC_RCR_AB]);
824 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
825 "Disable receive multicast frame\n");
826 }
827 update_rcr = true;
828 }
829
830 if (changed_flags & FIF_FCSFAIL) {
831 if (*new_flags & FIF_FCSFAIL) {
832 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
833 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
834 "Enable receive FCS error frame\n");
835 } else {
836 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
837 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
838 "Disable receive FCS error frame\n");
839 }
840 if (!update_rcr)
841 update_rcr = true;
842 }
843
844 /* if ssid not set to hw don't check bssid
845 * here just used for linked scanning, & linked
846 * and nolink check bssid is set in set network_type
847 */
848 if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
849 (mac->link_state >= MAC80211_LINKED)) {
850 if (mac->opmode != NL80211_IFTYPE_AP &&
851 mac->opmode != NL80211_IFTYPE_MESH_POINT) {
852 if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
853 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
854 else
855 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
856 if (update_rcr)
857 update_rcr = false;
858 }
859 }
860
861 if (changed_flags & FIF_CONTROL) {
862 if (*new_flags & FIF_CONTROL) {
863 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
864
865 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
866 "Enable receive control frame.\n");
867 } else {
868 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
869 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
870 "Disable receive control frame.\n");
871 }
872 if (!update_rcr)
873 update_rcr = true;
874 }
875
876 if (changed_flags & FIF_OTHER_BSS) {
877 if (*new_flags & FIF_OTHER_BSS) {
878 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
879 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
880 "Enable receive other BSS's frame.\n");
881 } else {
882 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
883 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
884 "Disable receive other BSS's frame.\n");
885 }
886 if (!update_rcr)
887 update_rcr = true;
888 }
889
890 if (update_rcr)
891 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
892 (u8 *)(&mac->rx_conf));
893 }
894 static int rtl_op_sta_add(struct ieee80211_hw *hw,
895 struct ieee80211_vif *vif,
896 struct ieee80211_sta *sta)
897 {
898 struct rtl_priv *rtlpriv = rtl_priv(hw);
899 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
900 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
901 struct rtl_sta_info *sta_entry;
902
903 if (sta) {
904 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
905 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
906 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
907 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
908 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
909 sta_entry->wireless_mode = WIRELESS_MODE_G;
910 if (sta->supp_rates[0] <= 0xf)
911 sta_entry->wireless_mode = WIRELESS_MODE_B;
912 if (sta->ht_cap.ht_supported)
913 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
914
915 if (vif->type == NL80211_IFTYPE_ADHOC)
916 sta_entry->wireless_mode = WIRELESS_MODE_G;
917 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
918 sta_entry->wireless_mode = WIRELESS_MODE_A;
919 if (sta->ht_cap.ht_supported)
920 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
921 if (sta->vht_cap.vht_supported)
922 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
923
924 if (vif->type == NL80211_IFTYPE_ADHOC)
925 sta_entry->wireless_mode = WIRELESS_MODE_A;
926 }
927 /*disable cck rate for p2p*/
928 if (mac->p2p)
929 sta->supp_rates[0] &= 0xfffffff0;
930
931 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
932 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
933 "Add sta addr is %pM\n", sta->addr);
934 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
935 }
936
937 return 0;
938 }
939
940 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
941 struct ieee80211_vif *vif,
942 struct ieee80211_sta *sta)
943 {
944 struct rtl_priv *rtlpriv = rtl_priv(hw);
945 struct rtl_sta_info *sta_entry;
946 if (sta) {
947 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
948 "Remove sta addr is %pM\n", sta->addr);
949 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
950 sta_entry->wireless_mode = 0;
951 sta_entry->ratr_index = 0;
952 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
953 list_del(&sta_entry->list);
954 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
955 }
956 return 0;
957 }
958 static int _rtl_get_hal_qnum(u16 queue)
959 {
960 int qnum;
961
962 switch (queue) {
963 case 0:
964 qnum = AC3_VO;
965 break;
966 case 1:
967 qnum = AC2_VI;
968 break;
969 case 2:
970 qnum = AC0_BE;
971 break;
972 case 3:
973 qnum = AC1_BK;
974 break;
975 default:
976 qnum = AC0_BE;
977 break;
978 }
979 return qnum;
980 }
981
982 /*
983 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
984 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3
985 */
986 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
987 struct ieee80211_vif *vif, u16 queue,
988 const struct ieee80211_tx_queue_params *param)
989 {
990 struct rtl_priv *rtlpriv = rtl_priv(hw);
991 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
992 int aci;
993
994 if (queue >= AC_MAX) {
995 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
996 "queue number %d is incorrect!\n", queue);
997 return -EINVAL;
998 }
999
1000 aci = _rtl_get_hal_qnum(queue);
1001 mac->ac[aci].aifs = param->aifs;
1002 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
1003 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1004 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1005 memcpy(&mac->edca_param[aci], param, sizeof(*param));
1006 rtlpriv->cfg->ops->set_qos(hw, aci);
1007 return 0;
1008 }
1009
1010 static void send_beacon_frame(struct ieee80211_hw *hw,
1011 struct ieee80211_vif *vif)
1012 {
1013 struct rtl_priv *rtlpriv = rtl_priv(hw);
1014 struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1015 struct rtl_tcb_desc tcb_desc;
1016
1017 if (skb) {
1018 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1019 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1020 }
1021 }
1022
1023 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1024 struct ieee80211_vif *vif,
1025 struct ieee80211_bss_conf *bss_conf,
1026 u32 changed)
1027 {
1028 struct rtl_priv *rtlpriv = rtl_priv(hw);
1029 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1030 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1031 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1032
1033 mutex_lock(&rtlpriv->locks.conf_mutex);
1034 if ((vif->type == NL80211_IFTYPE_ADHOC) ||
1035 (vif->type == NL80211_IFTYPE_AP) ||
1036 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
1037 if ((changed & BSS_CHANGED_BEACON) ||
1038 (changed & BSS_CHANGED_BEACON_ENABLED &&
1039 bss_conf->enable_beacon)) {
1040 if (mac->beacon_enabled == 0) {
1041 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1042 "BSS_CHANGED_BEACON_ENABLED\n");
1043
1044 /*start hw beacon interrupt. */
1045 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1046 mac->beacon_enabled = 1;
1047 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1048 rtlpriv->cfg->maps
1049 [RTL_IBSS_INT_MASKS], 0);
1050
1051 if (rtlpriv->cfg->ops->linked_set_reg)
1052 rtlpriv->cfg->ops->linked_set_reg(hw);
1053 send_beacon_frame(hw, vif);
1054 }
1055 }
1056 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1057 !bss_conf->enable_beacon)) {
1058 if (mac->beacon_enabled == 1) {
1059 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1060 "ADHOC DISABLE BEACON\n");
1061
1062 mac->beacon_enabled = 0;
1063 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1064 rtlpriv->cfg->maps
1065 [RTL_IBSS_INT_MASKS]);
1066 }
1067 }
1068 if (changed & BSS_CHANGED_BEACON_INT) {
1069 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
1070 "BSS_CHANGED_BEACON_INT\n");
1071 mac->beacon_interval = bss_conf->beacon_int;
1072 rtlpriv->cfg->ops->set_bcn_intv(hw);
1073 }
1074 }
1075
1076 /*TODO: reference to enum ieee80211_bss_change */
1077 if (changed & BSS_CHANGED_ASSOC) {
1078 u8 mstatus;
1079 if (bss_conf->assoc) {
1080 struct ieee80211_sta *sta = NULL;
1081 u8 keep_alive = 10;
1082
1083 mstatus = RT_MEDIA_CONNECT;
1084 /* we should reset all sec info & cam
1085 * before set cam after linked, we should not
1086 * reset in disassoc, that will cause tkip->wep
1087 * fail because some flag will be wrong */
1088 /* reset sec info */
1089 rtl_cam_reset_sec_info(hw);
1090 /* reset cam to fix wep fail issue
1091 * when change from wpa to wep */
1092 rtl_cam_reset_all_entry(hw);
1093
1094 mac->link_state = MAC80211_LINKED;
1095 mac->cnt_after_linked = 0;
1096 mac->assoc_id = bss_conf->aid;
1097 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1098
1099 if (rtlpriv->cfg->ops->linked_set_reg)
1100 rtlpriv->cfg->ops->linked_set_reg(hw);
1101
1102 rcu_read_lock();
1103 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1104 if (!sta) {
1105 rcu_read_unlock();
1106 goto out;
1107 }
1108 RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1109 "send PS STATIC frame\n");
1110 if (rtlpriv->dm.supp_phymode_switch) {
1111 if (sta->ht_cap.ht_supported)
1112 rtl_send_smps_action(hw, sta,
1113 IEEE80211_SMPS_STATIC);
1114 }
1115
1116 if (rtlhal->current_bandtype == BAND_ON_5G) {
1117 mac->mode = WIRELESS_MODE_A;
1118 } else {
1119 if (sta->supp_rates[0] <= 0xf)
1120 mac->mode = WIRELESS_MODE_B;
1121 else
1122 mac->mode = WIRELESS_MODE_G;
1123 }
1124
1125 if (sta->ht_cap.ht_supported) {
1126 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1127 mac->mode = WIRELESS_MODE_N_24G;
1128 else
1129 mac->mode = WIRELESS_MODE_N_5G;
1130 }
1131
1132 if (sta->vht_cap.vht_supported) {
1133 if (rtlhal->current_bandtype == BAND_ON_5G)
1134 mac->mode = WIRELESS_MODE_AC_5G;
1135 else
1136 mac->mode = WIRELESS_MODE_AC_24G;
1137 }
1138
1139 if (vif->type == NL80211_IFTYPE_STATION)
1140 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
1141 rcu_read_unlock();
1142
1143 /* to avoid AP Disassociation caused by inactivity */
1144 rtlpriv->cfg->ops->set_hw_reg(hw,
1145 HW_VAR_KEEP_ALIVE,
1146 (u8 *)(&keep_alive));
1147
1148 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1149 "BSS_CHANGED_ASSOC\n");
1150 } else {
1151 mstatus = RT_MEDIA_DISCONNECT;
1152
1153 if (mac->link_state == MAC80211_LINKED)
1154 rtl_lps_leave(hw);
1155 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1156 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1157 mac->link_state = MAC80211_NOLINK;
1158 eth_zero_addr(mac->bssid);
1159 mac->vendor = PEER_UNKNOWN;
1160 mac->mode = 0;
1161
1162 if (rtlpriv->dm.supp_phymode_switch) {
1163 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1164 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1165 }
1166 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1167 "BSS_CHANGED_UN_ASSOC\n");
1168 }
1169 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1170 /* For FW LPS:
1171 * To tell firmware we have connected or disconnected
1172 */
1173 rtlpriv->cfg->ops->set_hw_reg(hw,
1174 HW_VAR_H2C_FW_JOINBSSRPT,
1175 (u8 *)(&mstatus));
1176 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1177 true : false;
1178
1179 if (rtlpriv->cfg->ops->get_btc_status())
1180 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1181 rtlpriv, mstatus);
1182 }
1183
1184 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1185 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1186 "BSS_CHANGED_ERP_CTS_PROT\n");
1187 mac->use_cts_protect = bss_conf->use_cts_prot;
1188 }
1189
1190 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1191 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
1192 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1193 bss_conf->use_short_preamble);
1194
1195 mac->short_preamble = bss_conf->use_short_preamble;
1196 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1197 (u8 *)(&mac->short_preamble));
1198 }
1199
1200 if (changed & BSS_CHANGED_ERP_SLOT) {
1201 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1202 "BSS_CHANGED_ERP_SLOT\n");
1203
1204 if (bss_conf->use_short_slot)
1205 mac->slot_time = RTL_SLOT_TIME_9;
1206 else
1207 mac->slot_time = RTL_SLOT_TIME_20;
1208
1209 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1210 (u8 *)(&mac->slot_time));
1211 }
1212
1213 if (changed & BSS_CHANGED_HT) {
1214 struct ieee80211_sta *sta = NULL;
1215
1216 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1217 "BSS_CHANGED_HT\n");
1218
1219 rcu_read_lock();
1220 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1221 if (sta) {
1222 if (sta->ht_cap.ampdu_density >
1223 mac->current_ampdu_density)
1224 mac->current_ampdu_density =
1225 sta->ht_cap.ampdu_density;
1226 if (sta->ht_cap.ampdu_factor <
1227 mac->current_ampdu_factor)
1228 mac->current_ampdu_factor =
1229 sta->ht_cap.ampdu_factor;
1230 }
1231 rcu_read_unlock();
1232
1233 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1234 (u8 *)(&mac->max_mss_density));
1235 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1236 &mac->current_ampdu_factor);
1237 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1238 &mac->current_ampdu_density);
1239 }
1240
1241 if (changed & BSS_CHANGED_BSSID) {
1242 u32 basic_rates;
1243 struct ieee80211_sta *sta = NULL;
1244
1245 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1246 (u8 *)bss_conf->bssid);
1247
1248 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1249 "bssid: %pM\n", bss_conf->bssid);
1250
1251 mac->vendor = PEER_UNKNOWN;
1252 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1253
1254 rcu_read_lock();
1255 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1256 if (!sta) {
1257 rcu_read_unlock();
1258 goto out;
1259 }
1260
1261 if (rtlhal->current_bandtype == BAND_ON_5G) {
1262 mac->mode = WIRELESS_MODE_A;
1263 } else {
1264 if (sta->supp_rates[0] <= 0xf)
1265 mac->mode = WIRELESS_MODE_B;
1266 else
1267 mac->mode = WIRELESS_MODE_G;
1268 }
1269
1270 if (sta->ht_cap.ht_supported) {
1271 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1272 mac->mode = WIRELESS_MODE_N_24G;
1273 else
1274 mac->mode = WIRELESS_MODE_N_5G;
1275 }
1276
1277 if (sta->vht_cap.vht_supported) {
1278 if (rtlhal->current_bandtype == BAND_ON_5G)
1279 mac->mode = WIRELESS_MODE_AC_5G;
1280 else
1281 mac->mode = WIRELESS_MODE_AC_24G;
1282 }
1283
1284 /* just station need it, because ibss & ap mode will
1285 * set in sta_add, and will be NULL here */
1286 if (vif->type == NL80211_IFTYPE_STATION) {
1287 struct rtl_sta_info *sta_entry;
1288 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1289 sta_entry->wireless_mode = mac->mode;
1290 }
1291
1292 if (sta->ht_cap.ht_supported) {
1293 mac->ht_enable = true;
1294
1295 /*
1296 * for cisco 1252 bw20 it's wrong
1297 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1298 * mac->bw_40 = true;
1299 * }
1300 * */
1301 }
1302
1303 if (sta->vht_cap.vht_supported)
1304 mac->vht_enable = true;
1305
1306 if (changed & BSS_CHANGED_BASIC_RATES) {
1307 /* for 5G must << RATE_6M_INDEX = 4,
1308 * because 5G have no cck rate*/
1309 if (rtlhal->current_bandtype == BAND_ON_5G)
1310 basic_rates = sta->supp_rates[1] << 4;
1311 else
1312 basic_rates = sta->supp_rates[0];
1313
1314 mac->basic_rates = basic_rates;
1315 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1316 (u8 *)(&basic_rates));
1317 }
1318 rcu_read_unlock();
1319 }
1320 out:
1321 mutex_unlock(&rtlpriv->locks.conf_mutex);
1322 }
1323
1324 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1325 {
1326 struct rtl_priv *rtlpriv = rtl_priv(hw);
1327 u64 tsf;
1328
1329 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1330 return tsf;
1331 }
1332
1333 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1334 struct ieee80211_vif *vif, u64 tsf)
1335 {
1336 struct rtl_priv *rtlpriv = rtl_priv(hw);
1337 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1338 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1339
1340 mac->tsf = tsf;
1341 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1342 }
1343
1344 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1345 {
1346 struct rtl_priv *rtlpriv = rtl_priv(hw);
1347 u8 tmp = 0;
1348
1349 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1350 }
1351
1352 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1353 struct ieee80211_vif *vif,
1354 enum sta_notify_cmd cmd,
1355 struct ieee80211_sta *sta)
1356 {
1357 switch (cmd) {
1358 case STA_NOTIFY_SLEEP:
1359 break;
1360 case STA_NOTIFY_AWAKE:
1361 break;
1362 default:
1363 break;
1364 }
1365 }
1366
1367 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1368 struct ieee80211_vif *vif,
1369 struct ieee80211_ampdu_params *params)
1370 {
1371 struct rtl_priv *rtlpriv = rtl_priv(hw);
1372 struct ieee80211_sta *sta = params->sta;
1373 enum ieee80211_ampdu_mlme_action action = params->action;
1374 u16 tid = params->tid;
1375 u16 *ssn = &params->ssn;
1376
1377 switch (action) {
1378 case IEEE80211_AMPDU_TX_START:
1379 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1380 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1381 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1382 case IEEE80211_AMPDU_TX_STOP_CONT:
1383 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1384 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1385 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1386 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1387 return rtl_tx_agg_stop(hw, vif, sta, tid);
1388 case IEEE80211_AMPDU_TX_OPERATIONAL:
1389 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1390 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1391 rtl_tx_agg_oper(hw, sta, tid);
1392 break;
1393 case IEEE80211_AMPDU_RX_START:
1394 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1395 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1396 return rtl_rx_agg_start(hw, sta, tid);
1397 case IEEE80211_AMPDU_RX_STOP:
1398 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1399 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1400 return rtl_rx_agg_stop(hw, sta, tid);
1401 default:
1402 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1403 "IEEE80211_AMPDU_ERR!!!!:\n");
1404 return -EOPNOTSUPP;
1405 }
1406 return 0;
1407 }
1408
1409 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1410 struct ieee80211_vif *vif,
1411 const u8 *mac_addr)
1412 {
1413 struct rtl_priv *rtlpriv = rtl_priv(hw);
1414 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1415
1416 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1417 mac->act_scanning = true;
1418 if (rtlpriv->link_info.higher_busytraffic) {
1419 mac->skip_scan = true;
1420 return;
1421 }
1422
1423 if (rtlpriv->cfg->ops->get_btc_status())
1424 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1425
1426 if (rtlpriv->dm.supp_phymode_switch) {
1427 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1428 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1429 }
1430
1431 if (mac->link_state == MAC80211_LINKED) {
1432 rtl_lps_leave(hw);
1433 mac->link_state = MAC80211_LINKED_SCANNING;
1434 } else {
1435 rtl_ips_nic_on(hw);
1436 }
1437
1438 /* Dul mac */
1439 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1440
1441 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1442 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1443 }
1444
1445 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1446 struct ieee80211_vif *vif)
1447 {
1448 struct rtl_priv *rtlpriv = rtl_priv(hw);
1449 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1450
1451 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1452 mac->act_scanning = false;
1453 mac->skip_scan = false;
1454 if (rtlpriv->link_info.higher_busytraffic)
1455 return;
1456
1457 /* p2p will use 1/6/11 to scan */
1458 if (mac->n_channels == 3)
1459 mac->p2p_in_use = true;
1460 else
1461 mac->p2p_in_use = false;
1462 mac->n_channels = 0;
1463 /* Dul mac */
1464 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1465
1466 if (mac->link_state == MAC80211_LINKED_SCANNING) {
1467 mac->link_state = MAC80211_LINKED;
1468 if (mac->opmode == NL80211_IFTYPE_STATION) {
1469 /* fix fwlps issue */
1470 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1471 }
1472 }
1473
1474 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1475 if (rtlpriv->cfg->ops->get_btc_status())
1476 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1477 }
1478
1479 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1480 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1481 struct ieee80211_key_conf *key)
1482 {
1483 struct rtl_priv *rtlpriv = rtl_priv(hw);
1484 u8 key_type = NO_ENCRYPTION;
1485 u8 key_idx;
1486 bool group_key = false;
1487 bool wep_only = false;
1488 int err = 0;
1489 u8 mac_addr[ETH_ALEN];
1490 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1491
1492 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1493 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1494 "not open hw encryption\n");
1495 return -ENOSPC; /*User disabled HW-crypto */
1496 }
1497 /* To support IBSS, use sw-crypto for GTK */
1498 if (((vif->type == NL80211_IFTYPE_ADHOC) ||
1499 (vif->type == NL80211_IFTYPE_MESH_POINT)) &&
1500 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1501 return -ENOSPC;
1502 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1503 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1504 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1505 sta ? sta->addr : bcast_addr);
1506 rtlpriv->sec.being_setkey = true;
1507 rtl_ips_nic_on(hw);
1508 mutex_lock(&rtlpriv->locks.conf_mutex);
1509 /* <1> get encryption alg */
1510
1511 switch (key->cipher) {
1512 case WLAN_CIPHER_SUITE_WEP40:
1513 key_type = WEP40_ENCRYPTION;
1514 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1515 break;
1516 case WLAN_CIPHER_SUITE_WEP104:
1517 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1518 key_type = WEP104_ENCRYPTION;
1519 break;
1520 case WLAN_CIPHER_SUITE_TKIP:
1521 key_type = TKIP_ENCRYPTION;
1522 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1523 break;
1524 case WLAN_CIPHER_SUITE_CCMP:
1525 key_type = AESCCMP_ENCRYPTION;
1526 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1527 break;
1528 case WLAN_CIPHER_SUITE_AES_CMAC:
1529 /* HW don't support CMAC encryption,
1530 * use software CMAC encryption
1531 */
1532 key_type = AESCMAC_ENCRYPTION;
1533 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1534 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1535 "HW don't support CMAC encrypiton, use software CMAC encrypiton\n");
1536 err = -EOPNOTSUPP;
1537 goto out_unlock;
1538 default:
1539 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1540 "alg_err:%x!!!!:\n", key->cipher);
1541 goto out_unlock;
1542 }
1543 if (key_type == WEP40_ENCRYPTION ||
1544 key_type == WEP104_ENCRYPTION ||
1545 vif->type == NL80211_IFTYPE_ADHOC)
1546 rtlpriv->sec.use_defaultkey = true;
1547
1548 /* <2> get key_idx */
1549 key_idx = (u8) (key->keyidx);
1550 if (key_idx > 3)
1551 goto out_unlock;
1552 /* <3> if pairwise key enable_hw_sec */
1553 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1554
1555 /* wep always be group key, but there are two conditions:
1556 * 1) wep only: is just for wep enc, in this condition
1557 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1558 * will be true & enable_hw_sec will be set when wep
1559 * ke setting.
1560 * 2) wep(group) + AES(pairwise): some AP like cisco
1561 * may use it, in this condition enable_hw_sec will not
1562 * be set when wep key setting */
1563 /* we must reset sec_info after lingked before set key,
1564 * or some flag will be wrong*/
1565 if (vif->type == NL80211_IFTYPE_AP ||
1566 vif->type == NL80211_IFTYPE_MESH_POINT) {
1567 if (!group_key || key_type == WEP40_ENCRYPTION ||
1568 key_type == WEP104_ENCRYPTION) {
1569 if (group_key)
1570 wep_only = true;
1571 rtlpriv->cfg->ops->enable_hw_sec(hw);
1572 }
1573 } else {
1574 if ((!group_key) || (vif->type == NL80211_IFTYPE_ADHOC) ||
1575 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1576 if (rtlpriv->sec.pairwise_enc_algorithm ==
1577 NO_ENCRYPTION &&
1578 (key_type == WEP40_ENCRYPTION ||
1579 key_type == WEP104_ENCRYPTION))
1580 wep_only = true;
1581 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1582 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1583 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1584 key_type);
1585 rtlpriv->cfg->ops->enable_hw_sec(hw);
1586 }
1587 }
1588 /* <4> set key based on cmd */
1589 switch (cmd) {
1590 case SET_KEY:
1591 if (wep_only) {
1592 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1593 "set WEP(group/pairwise) key\n");
1594 /* Pairwise key with an assigned MAC address. */
1595 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1596 rtlpriv->sec.group_enc_algorithm = key_type;
1597 /*set local buf about wep key. */
1598 memcpy(rtlpriv->sec.key_buf[key_idx],
1599 key->key, key->keylen);
1600 rtlpriv->sec.key_len[key_idx] = key->keylen;
1601 eth_zero_addr(mac_addr);
1602 } else if (group_key) { /* group key */
1603 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1604 "set group key\n");
1605 /* group key */
1606 rtlpriv->sec.group_enc_algorithm = key_type;
1607 /*set local buf about group key. */
1608 memcpy(rtlpriv->sec.key_buf[key_idx],
1609 key->key, key->keylen);
1610 rtlpriv->sec.key_len[key_idx] = key->keylen;
1611 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1612 } else { /* pairwise key */
1613 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1614 "set pairwise key\n");
1615 if (!sta) {
1616 RT_ASSERT(false,
1617 "pairwise key without mac_addr\n");
1618
1619 err = -EOPNOTSUPP;
1620 goto out_unlock;
1621 }
1622 /* Pairwise key with an assigned MAC address. */
1623 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1624 /*set local buf about pairwise key. */
1625 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1626 key->key, key->keylen);
1627 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1628 rtlpriv->sec.pairwise_key =
1629 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1630 memcpy(mac_addr, sta->addr, ETH_ALEN);
1631 }
1632 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1633 group_key, key_type, wep_only,
1634 false);
1635 /* <5> tell mac80211 do something: */
1636 /*must use sw generate IV, or can not work !!!!. */
1637 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1638 key->hw_key_idx = key_idx;
1639 if (key_type == TKIP_ENCRYPTION)
1640 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1641 /*use software CCMP encryption for management frames (MFP) */
1642 if (key_type == AESCCMP_ENCRYPTION)
1643 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1644 break;
1645 case DISABLE_KEY:
1646 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1647 "disable key delete one entry\n");
1648 /*set local buf about wep key. */
1649 if (vif->type == NL80211_IFTYPE_AP ||
1650 vif->type == NL80211_IFTYPE_MESH_POINT) {
1651 if (sta)
1652 rtl_cam_del_entry(hw, sta->addr);
1653 }
1654 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1655 rtlpriv->sec.key_len[key_idx] = 0;
1656 eth_zero_addr(mac_addr);
1657 /*
1658 *mac80211 will delete entrys one by one,
1659 *so don't use rtl_cam_reset_all_entry
1660 *or clear all entry here.
1661 */
1662 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1663 break;
1664 default:
1665 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1666 "cmd_err:%x!!!!:\n", cmd);
1667 }
1668 out_unlock:
1669 mutex_unlock(&rtlpriv->locks.conf_mutex);
1670 rtlpriv->sec.being_setkey = false;
1671 return err;
1672 }
1673
1674 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1675 {
1676 struct rtl_priv *rtlpriv = rtl_priv(hw);
1677
1678 bool radio_state;
1679 bool blocked;
1680 u8 valid = 0;
1681
1682 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1683 return;
1684
1685 mutex_lock(&rtlpriv->locks.conf_mutex);
1686
1687 /*if Radio On return true here */
1688 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1689
1690 if (valid) {
1691 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1692 rtlpriv->rfkill.rfkill_state = radio_state;
1693
1694 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1695 "wireless radio switch turned %s\n",
1696 radio_state ? "on" : "off");
1697
1698 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1699 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1700 }
1701 }
1702
1703 mutex_unlock(&rtlpriv->locks.conf_mutex);
1704 }
1705
1706 /* this function is called by mac80211 to flush tx buffer
1707 * before switch channle or power save, or tx buffer packet
1708 * maybe send after offchannel or rf sleep, this may cause
1709 * dis-association by AP */
1710 static void rtl_op_flush(struct ieee80211_hw *hw,
1711 struct ieee80211_vif *vif,
1712 u32 queues,
1713 bool drop)
1714 {
1715 struct rtl_priv *rtlpriv = rtl_priv(hw);
1716
1717 if (rtlpriv->intf_ops->flush)
1718 rtlpriv->intf_ops->flush(hw, queues, drop);
1719 }
1720
1721 /* Description:
1722 * This routine deals with the Power Configuration CMD
1723 * parsing for RTL8723/RTL8188E Series IC.
1724 * Assumption:
1725 * We should follow specific format that was released from HW SD.
1726 */
1727 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1728 u8 faversion, u8 interface_type,
1729 struct wlan_pwr_cfg pwrcfgcmd[])
1730 {
1731 struct wlan_pwr_cfg cfg_cmd = {0};
1732 bool polling_bit = false;
1733 u32 ary_idx = 0;
1734 u8 value = 0;
1735 u32 offset = 0;
1736 u32 polling_count = 0;
1737 u32 max_polling_cnt = 5000;
1738
1739 do {
1740 cfg_cmd = pwrcfgcmd[ary_idx];
1741 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1742 "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1743 GET_PWR_CFG_OFFSET(cfg_cmd),
1744 GET_PWR_CFG_CUT_MASK(cfg_cmd),
1745 GET_PWR_CFG_FAB_MASK(cfg_cmd),
1746 GET_PWR_CFG_INTF_MASK(cfg_cmd),
1747 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1748 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1749
1750 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1751 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1752 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1753 switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1754 case PWR_CMD_READ:
1755 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1756 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1757 break;
1758 case PWR_CMD_WRITE:
1759 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1760 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n");
1761 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1762
1763 /*Read the value from system register*/
1764 value = rtl_read_byte(rtlpriv, offset);
1765 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1766 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1767 GET_PWR_CFG_MASK(cfg_cmd));
1768
1769 /*Write the value back to sytem register*/
1770 rtl_write_byte(rtlpriv, offset, value);
1771 break;
1772 case PWR_CMD_POLLING:
1773 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1774 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1775 polling_bit = false;
1776 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1777
1778 do {
1779 value = rtl_read_byte(rtlpriv, offset);
1780
1781 value &= GET_PWR_CFG_MASK(cfg_cmd);
1782 if (value ==
1783 (GET_PWR_CFG_VALUE(cfg_cmd) &
1784 GET_PWR_CFG_MASK(cfg_cmd)))
1785 polling_bit = true;
1786 else
1787 udelay(10);
1788
1789 if (polling_count++ > max_polling_cnt)
1790 return false;
1791 } while (!polling_bit);
1792 break;
1793 case PWR_CMD_DELAY:
1794 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1795 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
1796 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1797 PWRSEQ_DELAY_US)
1798 udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1799 else
1800 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1801 break;
1802 case PWR_CMD_END:
1803 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1804 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
1805 return true;
1806 default:
1807 RT_ASSERT(false,
1808 "rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1809 break;
1810 }
1811 }
1812 ary_idx++;
1813 } while (1);
1814
1815 return true;
1816 }
1817 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1818
1819 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1820 {
1821 struct rtl_priv *rtlpriv = rtl_priv(hw);
1822 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1823 struct rtl8192_tx_ring *ring;
1824 struct rtl_tx_desc *pdesc;
1825 unsigned long flags;
1826 struct sk_buff *pskb = NULL;
1827
1828 ring = &rtlpci->tx_ring[BEACON_QUEUE];
1829
1830 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1831 pskb = __skb_dequeue(&ring->queue);
1832 dev_kfree_skb_irq(pskb);
1833
1834 /*this is wrong, fill_tx_cmddesc needs update*/
1835 pdesc = &ring->desc[0];
1836
1837 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1838
1839 __skb_queue_tail(&ring->queue, skb);
1840
1841 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1842
1843 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1844
1845 return true;
1846 }
1847 EXPORT_SYMBOL(rtl_cmd_send_packet);
1848 const struct ieee80211_ops rtl_ops = {
1849 .start = rtl_op_start,
1850 .stop = rtl_op_stop,
1851 .tx = rtl_op_tx,
1852 .add_interface = rtl_op_add_interface,
1853 .remove_interface = rtl_op_remove_interface,
1854 .change_interface = rtl_op_change_interface,
1855 #ifdef CONFIG_PM
1856 .suspend = rtl_op_suspend,
1857 .resume = rtl_op_resume,
1858 #endif
1859 .config = rtl_op_config,
1860 .configure_filter = rtl_op_configure_filter,
1861 .set_key = rtl_op_set_key,
1862 .conf_tx = rtl_op_conf_tx,
1863 .bss_info_changed = rtl_op_bss_info_changed,
1864 .get_tsf = rtl_op_get_tsf,
1865 .set_tsf = rtl_op_set_tsf,
1866 .reset_tsf = rtl_op_reset_tsf,
1867 .sta_notify = rtl_op_sta_notify,
1868 .ampdu_action = rtl_op_ampdu_action,
1869 .sw_scan_start = rtl_op_sw_scan_start,
1870 .sw_scan_complete = rtl_op_sw_scan_complete,
1871 .rfkill_poll = rtl_op_rfkill_poll,
1872 .sta_add = rtl_op_sta_add,
1873 .sta_remove = rtl_op_sta_remove,
1874 .flush = rtl_op_flush,
1875 };
1876 EXPORT_SYMBOL_GPL(rtl_ops);
1877
1878 bool rtl_btc_status_false(void)
1879 {
1880 return false;
1881 }
1882 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1883
1884 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1885 {
1886 struct rtl_priv *rtlpriv = rtl_priv(hw);
1887 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1888
1889 dm_digtable->dig_enable_flag = true;
1890 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1891 dm_digtable->cur_igvalue = cur_igvalue;
1892 dm_digtable->pre_igvalue = 0;
1893 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1894 dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1895 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1896 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1897 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1898 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1899 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1900 dm_digtable->rx_gain_max = DM_DIG_MAX;
1901 dm_digtable->rx_gain_min = DM_DIG_MIN;
1902 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1903 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1904 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1905 dm_digtable->pre_cck_cca_thres = 0xff;
1906 dm_digtable->cur_cck_cca_thres = 0x83;
1907 dm_digtable->forbidden_igi = DM_DIG_MIN;
1908 dm_digtable->large_fa_hit = 0;
1909 dm_digtable->recover_cnt = 0;
1910 dm_digtable->dig_min_0 = 0x25;
1911 dm_digtable->dig_min_1 = 0x25;
1912 dm_digtable->media_connect_0 = false;
1913 dm_digtable->media_connect_1 = false;
1914 rtlpriv->dm.dm_initialgain_enable = true;
1915 dm_digtable->bt30_cur_igi = 0x32;
1916 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1917 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1918 }
1919 EXPORT_SYMBOL(rtl_dm_diginit);
ubuntu-bionic-kernel mirror