1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4#include "wifi.h"
5#include "core.h"
6#include "cam.h"
7#include "base.h"
8#include "ps.h"
9#include "pwrseqcmd.h"
10
11#include "btcoexist/rtl_btc.h"
12#include <linux/firmware.h>
13#include <linux/export.h>
14#include <net/cfg80211.h>
15
16u8 channel5g[CHANNEL_MAX_NUMBER_5G] = {
17 36, 38, 40, 42, 44, 46, 48, /* Band 1 */
18 52, 54, 56, 58, 60, 62, 64, /* Band 2 */
19 100, 102, 104, 106, 108, 110, 112, /* Band 3 */
20 116, 118, 120, 122, 124, 126, 128, /* Band 3 */
21 132, 134, 136, 138, 140, 142, 144, /* Band 3 */
22 149, 151, 153, 155, 157, 159, 161, /* Band 4 */
23 165, 167, 169, 171, 173, 175, 177 /* Band 4 */
24};
25EXPORT_SYMBOL(channel5g);
26
27u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = {
28 42, 58, 106, 122, 138, 155, 171
29};
30EXPORT_SYMBOL(channel5g_80m);
31
32void rtl_addr_delay(u32 addr)
33{
34 if (addr == 0xfe)
35 mdelay(50);
36 else if (addr == 0xfd)
37 msleep(msecs: 5);
38 else if (addr == 0xfc)
39 msleep(msecs: 1);
40 else if (addr == 0xfb)
41 usleep_range(min: 50, max: 100);
42 else if (addr == 0xfa)
43 usleep_range(min: 5, max: 10);
44 else if (addr == 0xf9)
45 usleep_range(min: 1, max: 2);
46}
47EXPORT_SYMBOL(rtl_addr_delay);
48
49void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
50 u32 mask, u32 data)
51{
52 if (addr >= 0xf9 && addr <= 0xfe) {
53 rtl_addr_delay(addr);
54 } else {
55 rtl_set_rfreg(hw, rfpath, regaddr: addr, bitmask: mask, data);
56 udelay(1);
57 }
58}
59EXPORT_SYMBOL(rtl_rfreg_delay);
60
61void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data)
62{
63 if (addr >= 0xf9 && addr <= 0xfe) {
64 rtl_addr_delay(addr);
65 } else {
66 rtl_set_bbreg(hw, regaddr: addr, MASKDWORD, data);
67 udelay(1);
68 }
69}
70EXPORT_SYMBOL(rtl_bb_delay);
71
72static void rtl_fw_do_work(const struct firmware *firmware, void *context,
73 bool is_wow)
74{
75 struct ieee80211_hw *hw = context;
76 struct rtl_priv *rtlpriv = rtl_priv(hw);
77 int err;
78
79 rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
80 "Firmware callback routine entered!\n");
81 if (!firmware) {
82 if (rtlpriv->cfg->alt_fw_name) {
83 err = request_firmware(fw: &firmware,
84 name: rtlpriv->cfg->alt_fw_name,
85 device: rtlpriv->io.dev);
86 pr_info("Loading alternative firmware %s\n",
87 rtlpriv->cfg->alt_fw_name);
88 if (!err)
89 goto found_alt;
90 }
91 pr_err("Selected firmware is not available\n");
92 rtlpriv->max_fw_size = 0;
93 goto exit;
94 }
95found_alt:
96 if (firmware->size > rtlpriv->max_fw_size) {
97 pr_err("Firmware is too big!\n");
98 release_firmware(fw: firmware);
99 goto exit;
100 }
101 if (!is_wow) {
102 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
103 firmware->size);
104 rtlpriv->rtlhal.fwsize = firmware->size;
105 } else {
106 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
107 firmware->size);
108 rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
109 }
110 release_firmware(fw: firmware);
111
112exit:
113 complete(&rtlpriv->firmware_loading_complete);
114}
115
116void rtl_fw_cb(const struct firmware *firmware, void *context)
117{
118 rtl_fw_do_work(firmware, context, is_wow: false);
119}
120EXPORT_SYMBOL(rtl_fw_cb);
121
122void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
123{
124 rtl_fw_do_work(firmware, context, is_wow: true);
125}
126EXPORT_SYMBOL(rtl_wowlan_fw_cb);
127
128/*mutex for start & stop is must here. */
129static int rtl_op_start(struct ieee80211_hw *hw)
130{
131 int err = 0;
132 struct rtl_priv *rtlpriv = rtl_priv(hw);
133 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
134
135 if (!is_hal_stop(rtlhal))
136 return 0;
137 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
138 return 0;
139 mutex_lock(&rtlpriv->locks.conf_mutex);
140 err = rtlpriv->intf_ops->adapter_start(hw);
141 if (!err)
142 rtl_watch_dog_timer_callback(t: &rtlpriv->works.watchdog_timer);
143 mutex_unlock(lock: &rtlpriv->locks.conf_mutex);
144 return err;
145}
146
147static void rtl_op_stop(struct ieee80211_hw *hw)
148{
149 struct rtl_priv *rtlpriv = rtl_priv(hw);
150 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
151 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
152 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
153 bool support_remote_wakeup = false;
154
155 if (is_hal_stop(rtlhal))
156 return;
157
158 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
159 (u8 *)(&support_remote_wakeup));
160 /* here is must, because adhoc do stop and start,
161 * but stop with RFOFF may cause something wrong,
162 * like adhoc TP
163 */
164 if (unlikely(ppsc->rfpwr_state == ERFOFF))
165 rtl_ips_nic_on(hw);
166
167 mutex_lock(&rtlpriv->locks.conf_mutex);
168 /* if wowlan supported, DON'T clear connected info */
169 if (!(support_remote_wakeup &&
170 rtlhal->enter_pnp_sleep)) {
171 mac->link_state = MAC80211_NOLINK;
172 eth_zero_addr(addr: mac->bssid);
173 mac->vendor = PEER_UNKNOWN;
174
175 /* reset sec info */
176 rtl_cam_reset_sec_info(hw);
177
178 rtl_deinit_deferred_work(hw, ips_wq: false);
179 }
180 rtlpriv->intf_ops->adapter_stop(hw);
181
182 mutex_unlock(lock: &rtlpriv->locks.conf_mutex);
183}
184
185static void rtl_op_tx(struct ieee80211_hw *hw,
186 struct ieee80211_tx_control *control,
187 struct sk_buff *skb)
188{
189 struct rtl_priv *rtlpriv = rtl_priv(hw);
190 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
191 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
192 struct rtl_tcb_desc tcb_desc;
193
194 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
195
196 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
197 goto err_free;
198
199 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
200 goto err_free;
201
202 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
203 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
204 return;
205
206err_free:
207 dev_kfree_skb_any(skb);
208}
209
210static int rtl_op_add_interface(struct ieee80211_hw *hw,
211 struct ieee80211_vif *vif)
212{
213 struct rtl_priv *rtlpriv = rtl_priv(hw);
214 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
215 int err = 0;
216 u8 retry_limit = 0x30;
217
218 if (mac->vif) {
219 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
220 "vif has been set!! mac->vif = 0x%p\n", mac->vif);
221 return -EOPNOTSUPP;
222 }
223
224 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
225
226 rtl_ips_nic_on(hw);
227
228 mutex_lock(&rtlpriv->locks.conf_mutex);
229 switch (ieee80211_vif_type_p2p(vif)) {
230 case NL80211_IFTYPE_P2P_CLIENT:
231 mac->p2p = P2P_ROLE_CLIENT;
232 fallthrough;
233 case NL80211_IFTYPE_STATION:
234 if (mac->beacon_enabled == 1) {
235 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
236 "NL80211_IFTYPE_STATION\n");
237 mac->beacon_enabled = 0;
238 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
239 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
240 }
241 break;
242 case NL80211_IFTYPE_ADHOC:
243 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
244 "NL80211_IFTYPE_ADHOC\n");
245
246 mac->link_state = MAC80211_LINKED;
247 rtlpriv->cfg->ops->set_bcn_reg(hw);
248 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
249 mac->basic_rates = 0xfff;
250 else
251 mac->basic_rates = 0xff0;
252 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
253 (u8 *)(&mac->basic_rates));
254
255 retry_limit = 0x07;
256 break;
257 case NL80211_IFTYPE_P2P_GO:
258 mac->p2p = P2P_ROLE_GO;
259 fallthrough;
260 case NL80211_IFTYPE_AP:
261 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
262 "NL80211_IFTYPE_AP\n");
263
264 mac->link_state = MAC80211_LINKED;
265 rtlpriv->cfg->ops->set_bcn_reg(hw);
266 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
267 mac->basic_rates = 0xfff;
268 else
269 mac->basic_rates = 0xff0;
270 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
271 (u8 *)(&mac->basic_rates));
272
273 retry_limit = 0x07;
274 break;
275 case NL80211_IFTYPE_MESH_POINT:
276 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
277 "NL80211_IFTYPE_MESH_POINT\n");
278
279 mac->link_state = MAC80211_LINKED;
280 rtlpriv->cfg->ops->set_bcn_reg(hw);
281 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
282 mac->basic_rates = 0xfff;
283 else
284 mac->basic_rates = 0xff0;
285 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
286 (u8 *)(&mac->basic_rates));
287
288 retry_limit = 0x07;
289 break;
290 default:
291 pr_err("operation mode %d is not supported!\n",
292 vif->type);
293 err = -EOPNOTSUPP;
294 goto out;
295 }
296
297 if (mac->p2p) {
298 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
299 "p2p role %x\n", vif->type);
300 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
301 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
302 (u8 *)(&mac->basic_rates));
303 }
304 mac->vif = vif;
305 mac->opmode = vif->type;
306 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
307 memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
308 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
309
310 mac->retry_long = retry_limit;
311 mac->retry_short = retry_limit;
312 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
313 (u8 *)(&retry_limit));
314out:
315 mutex_unlock(lock: &rtlpriv->locks.conf_mutex);
316 return err;
317}
318
319static void rtl_op_remove_interface(struct ieee80211_hw *hw,
320 struct ieee80211_vif *vif)
321{
322 struct rtl_priv *rtlpriv = rtl_priv(hw);
323 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
324
325 mutex_lock(&rtlpriv->locks.conf_mutex);
326
327 /* Free beacon resources */
328 if (vif->type == NL80211_IFTYPE_AP ||
329 vif->type == NL80211_IFTYPE_ADHOC ||
330 vif->type == NL80211_IFTYPE_MESH_POINT) {
331 if (mac->beacon_enabled == 1) {
332 mac->beacon_enabled = 0;
333 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
334 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
335 }
336 }
337
338 /*
339 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
340 *NO LINK for our hardware.
341 */
342 mac->p2p = 0;
343 mac->vif = NULL;
344 mac->link_state = MAC80211_NOLINK;
345 eth_zero_addr(addr: mac->bssid);
346 mac->vendor = PEER_UNKNOWN;
347 mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
348 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
349
350 mutex_unlock(lock: &rtlpriv->locks.conf_mutex);
351}
352
353static int rtl_op_change_interface(struct ieee80211_hw *hw,
354 struct ieee80211_vif *vif,
355 enum nl80211_iftype new_type, bool p2p)
356{
357 struct rtl_priv *rtlpriv = rtl_priv(hw);
358 int ret;
359
360 rtl_op_remove_interface(hw, vif);
361
362 vif->type = new_type;
363 vif->p2p = p2p;
364 ret = rtl_op_add_interface(hw, vif);
365 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
366 "p2p %x\n", p2p);
367 return ret;
368}
369
370#ifdef CONFIG_PM
371static u16 crc16_ccitt(u8 data, u16 crc)
372{
373 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
374 u8 i;
375 u16 result;
376
377 for (i = 0; i < 8; i++) {
378 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
379 data_bit = (data & (BIT(0) << i) ? 1 : 0);
380 shift_in = crc_bit15 ^ data_bit;
381
382 result = crc << 1;
383 if (shift_in == 0)
384 result &= (~BIT(0));
385 else
386 result |= BIT(0);
387
388 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
389 if (crc_bit11 == 0)
390 result &= (~BIT(12));
391 else
392 result |= BIT(12);
393
394 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
395 if (crc_bit4 == 0)
396 result &= (~BIT(5));
397 else
398 result |= BIT(5);
399
400 crc = result;
401 }
402
403 return crc;
404}
405
406static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
407{
408 u16 crc = 0xffff;
409 u32 i;
410
411 for (i = 0; i < len; i++)
412 crc = crc16_ccitt(data: pattern[i], crc);
413
414 crc = ~crc;
415
416 return crc;
417}
418
419static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
420 struct cfg80211_wowlan *wow)
421{
422 struct rtl_priv *rtlpriv = rtl_priv(hw);
423 struct rtl_mac *mac = &rtlpriv->mac80211;
424 struct cfg80211_pkt_pattern *patterns = wow->patterns;
425 struct rtl_wow_pattern rtl_pattern;
426 const u8 *pattern_os, *mask_os;
427 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
428 u8 content[MAX_WOL_PATTERN_SIZE] = {0};
429 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
430 u8 multicast_addr1[2] = {0x33, 0x33};
431 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
432 u8 i, mask_len;
433 u16 j, len;
434
435 for (i = 0; i < wow->n_patterns; i++) {
436 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
437 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
438 if (patterns[i].pattern_len < 0 ||
439 patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
440 rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING,
441 "Pattern[%d] is too long\n", i);
442 continue;
443 }
444 pattern_os = patterns[i].pattern;
445 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
446 mask_os = patterns[i].mask;
447 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
448 "pattern content\n", pattern_os,
449 patterns[i].pattern_len);
450 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
451 "mask content\n", mask_os, mask_len);
452 /* 1. unicast? multicast? or broadcast? */
453 if (memcmp(p: pattern_os, q: broadcast_addr, size: 6) == 0)
454 rtl_pattern.type = BROADCAST_PATTERN;
455 else if (memcmp(p: pattern_os, q: multicast_addr1, size: 2) == 0 ||
456 memcmp(p: pattern_os, q: multicast_addr2, size: 3) == 0)
457 rtl_pattern.type = MULTICAST_PATTERN;
458 else if (memcmp(p: pattern_os, q: mac->mac_addr, size: 6) == 0)
459 rtl_pattern.type = UNICAST_PATTERN;
460 else
461 rtl_pattern.type = UNKNOWN_TYPE;
462
463 /* 2. translate mask_from_os to mask_for_hw */
464
465/******************************************************************************
466 * pattern from OS uses 'ethenet frame', like this:
467
468 | 6 | 6 | 2 | 20 | Variable | 4 |
469 |--------+--------+------+-----------+------------+-----|
470 | 802.3 Mac Header | IP Header | TCP Packet | FCS |
471 | DA | SA | Type |
472
473 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
474
475 | 24 or 30 | 6 | 2 | 20 | Variable | 4 |
476 |-------------------+--------+------+-----------+------------+-----|
477 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS |
478 | Others | Tpye |
479
480 * Therefore, we need translate mask_from_OS to mask_to_hw.
481 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
482 * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
483 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
484 ******************************************************************************/
485
486 /* Shift 6 bits */
487 for (j = 0; j < mask_len - 1; j++) {
488 mask[j] = mask_os[j] >> 6;
489 mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
490 }
491 mask[j] = (mask_os[j] >> 6) & 0x3F;
492 /* Set bit 0-5 to zero */
493 mask[0] &= 0xC0;
494
495 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
496 "mask to hw\n", mask, mask_len);
497 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
498 rtl_pattern.mask[j] = mask[j * 4];
499 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
500 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
501 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
502 }
503
504 /* To get the wake up pattern from the mask.
505 * We do not count first 12 bits which means
506 * DA[6] and SA[6] in the pattern to match HW design.
507 */
508 len = 0;
509 for (j = 12; j < patterns[i].pattern_len; j++) {
510 if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
511 content[len] = pattern_os[j];
512 len++;
513 }
514 }
515
516 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
517 "pattern to hw\n", content, len);
518 /* 3. calculate crc */
519 rtl_pattern.crc = _calculate_wol_pattern_crc(pattern: content, len);
520 rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
521 "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
522
523 /* 4. write crc & mask_for_hw to hw */
524 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
525 }
526 rtl_write_byte(rtlpriv, addr: 0x698, val8: wow->n_patterns);
527}
528
529static int rtl_op_suspend(struct ieee80211_hw *hw,
530 struct cfg80211_wowlan *wow)
531{
532 struct rtl_priv *rtlpriv = rtl_priv(hw);
533 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
534 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
535
536 rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
537 if (WARN_ON(!wow))
538 return -EINVAL;
539
540 /* to resolve s4 can not wake up*/
541 rtlhal->last_suspend_sec = ktime_get_real_seconds();
542
543 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
544 _rtl_add_wowlan_patterns(hw, wow);
545
546 rtlhal->driver_is_goingto_unload = true;
547 rtlhal->enter_pnp_sleep = true;
548
549 rtl_lps_leave(hw, may_block: true);
550 rtl_op_stop(hw);
551 device_set_wakeup_enable(dev: wiphy_dev(wiphy: hw->wiphy), enable: true);
552 return 0;
553}
554
555static int rtl_op_resume(struct ieee80211_hw *hw)
556{
557 struct rtl_priv *rtlpriv = rtl_priv(hw);
558 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
559 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
560 time64_t now;
561
562 rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
563 rtlhal->driver_is_goingto_unload = false;
564 rtlhal->enter_pnp_sleep = false;
565 rtlhal->wake_from_pnp_sleep = true;
566
567 /* to resolve s4 can not wake up*/
568 now = ktime_get_real_seconds();
569 if (now - rtlhal->last_suspend_sec < 5)
570 return -1;
571
572 rtl_op_start(hw);
573 device_set_wakeup_enable(dev: wiphy_dev(wiphy: hw->wiphy), enable: false);
574 ieee80211_resume_disconnect(vif: mac->vif);
575 rtlhal->wake_from_pnp_sleep = false;
576 return 0;
577}
578#endif
579
580static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
581{
582 struct rtl_priv *rtlpriv = rtl_priv(hw);
583 struct rtl_phy *rtlphy = &(rtlpriv->phy);
584 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
585 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
586 struct ieee80211_conf *conf = &hw->conf;
587
588 if (mac->skip_scan)
589 return 1;
590
591 mutex_lock(&rtlpriv->locks.conf_mutex);
592 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/
593 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
594 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
595 }
596
597 /*For IPS */
598 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
599 if (hw->conf.flags & IEEE80211_CONF_IDLE)
600 rtl_ips_nic_off(hw);
601 else
602 rtl_ips_nic_on(hw);
603 } else {
604 /*
605 *although rfoff may not cause by ips, but we will
606 *check the reason in set_rf_power_state function
607 */
608 if (unlikely(ppsc->rfpwr_state == ERFOFF))
609 rtl_ips_nic_on(hw);
610 }
611
612 /*For LPS */
613 if ((changed & IEEE80211_CONF_CHANGE_PS) &&
614 rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
615 cancel_delayed_work(dwork: &rtlpriv->works.ps_work);
616 cancel_delayed_work(dwork: &rtlpriv->works.ps_rfon_wq);
617 if (conf->flags & IEEE80211_CONF_PS) {
618 rtlpriv->psc.sw_ps_enabled = true;
619 /* sleep here is must, or we may recv the beacon and
620 * cause mac80211 into wrong ps state, this will cause
621 * power save nullfunc send fail, and further cause
622 * pkt loss, So sleep must quickly but not immediatly
623 * because that will cause nullfunc send by mac80211
624 * fail, and cause pkt loss, we have tested that 5mA
625 * is worked very well */
626 if (!rtlpriv->psc.multi_buffered)
627 queue_delayed_work(wq: rtlpriv->works.rtl_wq,
628 dwork: &rtlpriv->works.ps_work,
629 MSECS(5));
630 } else {
631 rtl_swlps_rf_awake(hw);
632 rtlpriv->psc.sw_ps_enabled = false;
633 }
634 }
635
636 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
637 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
638 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
639 hw->conf.long_frame_max_tx_count);
640 /* brought up everything changes (changed == ~0) indicates first
641 * open, so use our default value instead of that of wiphy.
642 */
643 if (changed != ~0) {
644 mac->retry_long = hw->conf.long_frame_max_tx_count;
645 mac->retry_short = hw->conf.long_frame_max_tx_count;
646 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
647 (u8 *)(&hw->conf.long_frame_max_tx_count));
648 }
649 }
650
651 if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
652 !rtlpriv->proximity.proxim_on) {
653 struct ieee80211_channel *channel = hw->conf.chandef.chan;
654 enum nl80211_chan_width width = hw->conf.chandef.width;
655 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
656 u8 wide_chan = (u8) channel->hw_value;
657
658 /* channel_type is for 20&40M */
659 if (width < NL80211_CHAN_WIDTH_80)
660 channel_type =
661 cfg80211_get_chandef_type(chandef: &hw->conf.chandef);
662 if (mac->act_scanning)
663 mac->n_channels++;
664
665 /*
666 *because we should back channel to
667 *current_network.chan in scanning,
668 *So if set_chan == current_network.chan
669 *we should set it.
670 *because mac80211 tell us wrong bw40
671 *info for cisco1253 bw20, so we modify
672 *it here based on UPPER & LOWER
673 */
674
675 if (width >= NL80211_CHAN_WIDTH_80) {
676 if (width == NL80211_CHAN_WIDTH_80) {
677 u32 center = hw->conf.chandef.center_freq1;
678 u32 primary =
679 (u32)hw->conf.chandef.chan->center_freq;
680
681 rtlphy->current_chan_bw =
682 HT_CHANNEL_WIDTH_80;
683 mac->bw_80 = true;
684 mac->bw_40 = true;
685 if (center > primary) {
686 mac->cur_80_prime_sc =
687 PRIME_CHNL_OFFSET_LOWER;
688 if (center - primary == 10) {
689 mac->cur_40_prime_sc =
690 PRIME_CHNL_OFFSET_UPPER;
691
692 wide_chan += 2;
693 } else if (center - primary == 30) {
694 mac->cur_40_prime_sc =
695 PRIME_CHNL_OFFSET_LOWER;
696
697 wide_chan += 6;
698 }
699 } else {
700 mac->cur_80_prime_sc =
701 PRIME_CHNL_OFFSET_UPPER;
702 if (primary - center == 10) {
703 mac->cur_40_prime_sc =
704 PRIME_CHNL_OFFSET_LOWER;
705
706 wide_chan -= 2;
707 } else if (primary - center == 30) {
708 mac->cur_40_prime_sc =
709 PRIME_CHNL_OFFSET_UPPER;
710
711 wide_chan -= 6;
712 }
713 }
714 }
715 } else {
716 switch (channel_type) {
717 case NL80211_CHAN_HT20:
718 case NL80211_CHAN_NO_HT:
719 /* SC */
720 mac->cur_40_prime_sc =
721 PRIME_CHNL_OFFSET_DONT_CARE;
722 rtlphy->current_chan_bw =
723 HT_CHANNEL_WIDTH_20;
724 mac->bw_40 = false;
725 mac->bw_80 = false;
726 break;
727 case NL80211_CHAN_HT40MINUS:
728 /* SC */
729 mac->cur_40_prime_sc =
730 PRIME_CHNL_OFFSET_UPPER;
731 rtlphy->current_chan_bw =
732 HT_CHANNEL_WIDTH_20_40;
733 mac->bw_40 = true;
734 mac->bw_80 = false;
735
736 /*wide channel */
737 wide_chan -= 2;
738
739 break;
740 case NL80211_CHAN_HT40PLUS:
741 /* SC */
742 mac->cur_40_prime_sc =
743 PRIME_CHNL_OFFSET_LOWER;
744 rtlphy->current_chan_bw =
745 HT_CHANNEL_WIDTH_20_40;
746 mac->bw_40 = true;
747 mac->bw_80 = false;
748
749 /*wide channel */
750 wide_chan += 2;
751
752 break;
753 default:
754 mac->bw_40 = false;
755 mac->bw_80 = false;
756 pr_err("switch case %#x not processed\n",
757 channel_type);
758 break;
759 }
760 }
761
762 if (wide_chan <= 0)
763 wide_chan = 1;
764
765 /* In scanning, when before we offchannel we may send a ps=1
766 * null to AP, and then we may send a ps = 0 null to AP quickly,
767 * but first null may have caused AP to put lots of packet to
768 * hw tx buffer. These packets must be tx'd before we go off
769 * channel so we must delay more time to let AP flush these
770 * packets before going offchannel, or dis-association or
771 * delete BA will be caused by AP
772 */
773 if (rtlpriv->mac80211.offchan_delay) {
774 rtlpriv->mac80211.offchan_delay = false;
775 mdelay(50);
776 }
777
778 rtlphy->current_channel = wide_chan;
779
780 rtlpriv->cfg->ops->switch_channel(hw);
781 rtlpriv->cfg->ops->set_channel_access(hw);
782 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
783 }
784
785 mutex_unlock(lock: &rtlpriv->locks.conf_mutex);
786
787 return 0;
788}
789
790static void rtl_op_configure_filter(struct ieee80211_hw *hw,
791 unsigned int changed_flags,
792 unsigned int *new_flags, u64 multicast)
793{
794 bool update_rcr = false;
795 struct rtl_priv *rtlpriv = rtl_priv(hw);
796 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
797
798 *new_flags &= RTL_SUPPORTED_FILTERS;
799 if (0 == changed_flags)
800 return;
801
802 /*TODO: we disable broadcast now, so enable here */
803 if (changed_flags & FIF_ALLMULTI) {
804 if (*new_flags & FIF_ALLMULTI) {
805 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
806 rtlpriv->cfg->maps[MAC_RCR_AB];
807 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
808 "Enable receive multicast frame\n");
809 } else {
810 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
811 rtlpriv->cfg->maps[MAC_RCR_AB]);
812 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
813 "Disable receive multicast frame\n");
814 }
815 update_rcr = true;
816 }
817
818 if (changed_flags & FIF_FCSFAIL) {
819 if (*new_flags & FIF_FCSFAIL) {
820 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
821 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
822 "Enable receive FCS error frame\n");
823 } else {
824 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
825 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
826 "Disable receive FCS error frame\n");
827 }
828 if (!update_rcr)
829 update_rcr = true;
830 }
831
832 /* if ssid not set to hw don't check bssid
833 * here just used for linked scanning, & linked
834 * and nolink check bssid is set in set network_type
835 */
836 if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
837 mac->link_state >= MAC80211_LINKED) {
838 if (mac->opmode != NL80211_IFTYPE_AP &&
839 mac->opmode != NL80211_IFTYPE_MESH_POINT) {
840 if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
841 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
842 else
843 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
844 if (update_rcr)
845 update_rcr = false;
846 }
847 }
848
849 if (changed_flags & FIF_CONTROL) {
850 if (*new_flags & FIF_CONTROL) {
851 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
852
853 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
854 "Enable receive control frame.\n");
855 } else {
856 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
857 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
858 "Disable receive control frame.\n");
859 }
860 if (!update_rcr)
861 update_rcr = true;
862 }
863
864 if (changed_flags & FIF_OTHER_BSS) {
865 if (*new_flags & FIF_OTHER_BSS) {
866 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
867 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
868 "Enable receive other BSS's frame.\n");
869 } else {
870 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
871 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
872 "Disable receive other BSS's frame.\n");
873 }
874 if (!update_rcr)
875 update_rcr = true;
876 }
877
878 if (update_rcr)
879 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
880 (u8 *)(&mac->rx_conf));
881}
882
883static int rtl_op_sta_add(struct ieee80211_hw *hw,
884 struct ieee80211_vif *vif,
885 struct ieee80211_sta *sta)
886{
887 struct rtl_priv *rtlpriv = rtl_priv(hw);
888 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
889 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
890 struct rtl_sta_info *sta_entry;
891
892 if (sta) {
893 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
894 spin_lock_bh(lock: &rtlpriv->locks.entry_list_lock);
895 list_add_tail(new: &sta_entry->list, head: &rtlpriv->entry_list);
896 spin_unlock_bh(lock: &rtlpriv->locks.entry_list_lock);
897 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
898 sta_entry->wireless_mode = WIRELESS_MODE_G;
899 if (sta->deflink.supp_rates[0] <= 0xf)
900 sta_entry->wireless_mode = WIRELESS_MODE_B;
901 if (sta->deflink.ht_cap.ht_supported)
902 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
903
904 if (vif->type == NL80211_IFTYPE_ADHOC)
905 sta_entry->wireless_mode = WIRELESS_MODE_G;
906 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
907 sta_entry->wireless_mode = WIRELESS_MODE_A;
908 if (sta->deflink.ht_cap.ht_supported)
909 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
910 if (sta->deflink.vht_cap.vht_supported)
911 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
912
913 if (vif->type == NL80211_IFTYPE_ADHOC)
914 sta_entry->wireless_mode = WIRELESS_MODE_A;
915 }
916 /*disable cck rate for p2p*/
917 if (mac->p2p)
918 sta->deflink.supp_rates[0] &= 0xfffffff0;
919
920 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
921 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
922 "Add sta addr is %pM\n", sta->addr);
923 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
924 }
925
926 return 0;
927}
928
929static int rtl_op_sta_remove(struct ieee80211_hw *hw,
930 struct ieee80211_vif *vif,
931 struct ieee80211_sta *sta)
932{
933 struct rtl_priv *rtlpriv = rtl_priv(hw);
934 struct rtl_sta_info *sta_entry;
935
936 if (sta) {
937 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
938 "Remove sta addr is %pM\n", sta->addr);
939 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
940 sta_entry->wireless_mode = 0;
941 sta_entry->ratr_index = 0;
942 spin_lock_bh(lock: &rtlpriv->locks.entry_list_lock);
943 list_del(entry: &sta_entry->list);
944 spin_unlock_bh(lock: &rtlpriv->locks.entry_list_lock);
945 }
946 return 0;
947}
948
949static int _rtl_get_hal_qnum(u16 queue)
950{
951 int qnum;
952
953 switch (queue) {
954 case 0:
955 qnum = AC3_VO;
956 break;
957 case 1:
958 qnum = AC2_VI;
959 break;
960 case 2:
961 qnum = AC0_BE;
962 break;
963 case 3:
964 qnum = AC1_BK;
965 break;
966 default:
967 qnum = AC0_BE;
968 break;
969 }
970 return qnum;
971}
972
973/*
974 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
975 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3
976 */
977static int rtl_op_conf_tx(struct ieee80211_hw *hw,
978 struct ieee80211_vif *vif,
979 unsigned int link_id, u16 queue,
980 const struct ieee80211_tx_queue_params *param)
981{
982 struct rtl_priv *rtlpriv = rtl_priv(hw);
983 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
984 int aci;
985
986 if (queue >= AC_MAX) {
987 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
988 "queue number %d is incorrect!\n", queue);
989 return -EINVAL;
990 }
991
992 aci = _rtl_get_hal_qnum(queue);
993 mac->ac[aci].aifs = param->aifs;
994 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
995 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
996 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
997 memcpy(&mac->edca_param[aci], param, sizeof(*param));
998 rtlpriv->cfg->ops->set_qos(hw, aci);
999 return 0;
1000}
1001
1002static void send_beacon_frame(struct ieee80211_hw *hw,
1003 struct ieee80211_vif *vif)
1004{
1005 struct rtl_priv *rtlpriv = rtl_priv(hw);
1006 struct sk_buff *skb = ieee80211_beacon_get(hw, vif, link_id: 0);
1007 struct rtl_tcb_desc tcb_desc;
1008
1009 if (skb) {
1010 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1011 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1012 }
1013}
1014
1015void rtl_update_beacon_work_callback(struct work_struct *work)
1016{
1017 struct rtl_works *rtlworks =
1018 container_of(work, struct rtl_works, update_beacon_work);
1019 struct ieee80211_hw *hw = rtlworks->hw;
1020 struct rtl_priv *rtlpriv = rtl_priv(hw);
1021 struct ieee80211_vif *vif = rtlpriv->mac80211.vif;
1022
1023 if (!vif) {
1024 WARN_ONCE(true, "no vif to update beacon\n");
1025 return;
1026 }
1027
1028 mutex_lock(&rtlpriv->locks.conf_mutex);
1029 send_beacon_frame(hw, vif);
1030 mutex_unlock(lock: &rtlpriv->locks.conf_mutex);
1031}
1032EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback);
1033
1034static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1035 struct ieee80211_vif *vif,
1036 struct ieee80211_bss_conf *bss_conf,
1037 u64 changed)
1038{
1039 struct rtl_priv *rtlpriv = rtl_priv(hw);
1040 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1041 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1042 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1043
1044 mutex_lock(&rtlpriv->locks.conf_mutex);
1045 if (vif->type == NL80211_IFTYPE_ADHOC ||
1046 vif->type == NL80211_IFTYPE_AP ||
1047 vif->type == NL80211_IFTYPE_MESH_POINT) {
1048 if (changed & BSS_CHANGED_BEACON ||
1049 (changed & BSS_CHANGED_BEACON_ENABLED &&
1050 bss_conf->enable_beacon)) {
1051 if (mac->beacon_enabled == 0) {
1052 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1053 "BSS_CHANGED_BEACON_ENABLED\n");
1054
1055 /*start hw beacon interrupt. */
1056 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1057 mac->beacon_enabled = 1;
1058 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1059 rtlpriv->cfg->maps
1060 [RTL_IBSS_INT_MASKS], 0);
1061
1062 if (rtlpriv->cfg->ops->linked_set_reg)
1063 rtlpriv->cfg->ops->linked_set_reg(hw);
1064 send_beacon_frame(hw, vif);
1065 }
1066 }
1067 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1068 !bss_conf->enable_beacon)) {
1069 if (mac->beacon_enabled == 1) {
1070 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1071 "ADHOC DISABLE BEACON\n");
1072
1073 mac->beacon_enabled = 0;
1074 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1075 rtlpriv->cfg->maps
1076 [RTL_IBSS_INT_MASKS]);
1077 }
1078 }
1079 if (changed & BSS_CHANGED_BEACON_INT) {
1080 rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE,
1081 "BSS_CHANGED_BEACON_INT\n");
1082 mac->beacon_interval = bss_conf->beacon_int;
1083 rtlpriv->cfg->ops->set_bcn_intv(hw);
1084 }
1085 }
1086
1087 /*TODO: reference to enum ieee80211_bss_change */
1088 if (changed & BSS_CHANGED_ASSOC) {
1089 u8 mstatus;
1090
1091 if (vif->cfg.assoc) {
1092 struct ieee80211_sta *sta = NULL;
1093 u8 keep_alive = 10;
1094
1095 mstatus = RT_MEDIA_CONNECT;
1096 /* we should reset all sec info & cam
1097 * before set cam after linked, we should not
1098 * reset in disassoc, that will cause tkip->wep
1099 * fail because some flag will be wrong */
1100 /* reset sec info */
1101 rtl_cam_reset_sec_info(hw);
1102 /* reset cam to fix wep fail issue
1103 * when change from wpa to wep */
1104 rtl_cam_reset_all_entry(hw);
1105
1106 mac->link_state = MAC80211_LINKED;
1107 mac->cnt_after_linked = 0;
1108 mac->assoc_id = vif->cfg.aid;
1109 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1110
1111 if (rtlpriv->cfg->ops->linked_set_reg)
1112 rtlpriv->cfg->ops->linked_set_reg(hw);
1113
1114 rcu_read_lock();
1115 sta = ieee80211_find_sta(vif, addr: (u8 *)bss_conf->bssid);
1116 if (!sta) {
1117 rcu_read_unlock();
1118 goto out;
1119 }
1120 rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1121 "send PS STATIC frame\n");
1122 if (rtlpriv->dm.supp_phymode_switch) {
1123 if (sta->deflink.ht_cap.ht_supported)
1124 rtl_send_smps_action(hw, sta,
1125 smps: IEEE80211_SMPS_STATIC);
1126 }
1127
1128 if (rtlhal->current_bandtype == BAND_ON_5G) {
1129 mac->mode = WIRELESS_MODE_A;
1130 } else {
1131 if (sta->deflink.supp_rates[0] <= 0xf)
1132 mac->mode = WIRELESS_MODE_B;
1133 else
1134 mac->mode = WIRELESS_MODE_G;
1135 }
1136
1137 if (sta->deflink.ht_cap.ht_supported) {
1138 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1139 mac->mode = WIRELESS_MODE_N_24G;
1140 else
1141 mac->mode = WIRELESS_MODE_N_5G;
1142 }
1143
1144 if (sta->deflink.vht_cap.vht_supported) {
1145 if (rtlhal->current_bandtype == BAND_ON_5G)
1146 mac->mode = WIRELESS_MODE_AC_5G;
1147 else
1148 mac->mode = WIRELESS_MODE_AC_24G;
1149 }
1150
1151 if (vif->type == NL80211_IFTYPE_STATION)
1152 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1153 true);
1154 rcu_read_unlock();
1155
1156 /* to avoid AP Disassociation caused by inactivity */
1157 rtlpriv->cfg->ops->set_hw_reg(hw,
1158 HW_VAR_KEEP_ALIVE,
1159 (u8 *)(&keep_alive));
1160
1161 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1162 "BSS_CHANGED_ASSOC\n");
1163 } else {
1164 struct cfg80211_bss *bss = NULL;
1165
1166 mstatus = RT_MEDIA_DISCONNECT;
1167
1168 if (mac->link_state == MAC80211_LINKED)
1169 rtl_lps_leave(hw, may_block: true);
1170 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1171 rtl_p2p_ps_cmd(hw, p2p_ps_state: P2P_PS_DISABLE);
1172 mac->link_state = MAC80211_NOLINK;
1173
1174 bss = cfg80211_get_bss(wiphy: hw->wiphy, NULL,
1175 bssid: (u8 *)mac->bssid, NULL, ssid_len: 0,
1176 bss_type: IEEE80211_BSS_TYPE_ESS,
1177 privacy: IEEE80211_PRIVACY_OFF);
1178
1179 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1180 "bssid = %pMF\n", mac->bssid);
1181
1182 if (bss) {
1183 cfg80211_unlink_bss(wiphy: hw->wiphy, bss);
1184 cfg80211_put_bss(wiphy: hw->wiphy, bss);
1185 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1186 "cfg80211_unlink !!\n");
1187 }
1188
1189 eth_zero_addr(addr: mac->bssid);
1190 mac->vendor = PEER_UNKNOWN;
1191 mac->mode = 0;
1192
1193 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1194 "BSS_CHANGED_UN_ASSOC\n");
1195 }
1196 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1197 /* For FW LPS:
1198 * To tell firmware we have connected or disconnected
1199 */
1200 rtlpriv->cfg->ops->set_hw_reg(hw,
1201 HW_VAR_H2C_FW_JOINBSSRPT,
1202 (u8 *)(&mstatus));
1203 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1204 true : false;
1205
1206 if (rtlpriv->cfg->ops->get_btc_status())
1207 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1208 rtlpriv, mstatus);
1209 }
1210
1211 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1212 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1213 "BSS_CHANGED_ERP_CTS_PROT\n");
1214 mac->use_cts_protect = bss_conf->use_cts_prot;
1215 }
1216
1217 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1218 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
1219 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1220 bss_conf->use_short_preamble);
1221
1222 mac->short_preamble = bss_conf->use_short_preamble;
1223 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1224 (u8 *)(&mac->short_preamble));
1225 }
1226
1227 if (changed & BSS_CHANGED_ERP_SLOT) {
1228 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1229 "BSS_CHANGED_ERP_SLOT\n");
1230
1231 if (bss_conf->use_short_slot)
1232 mac->slot_time = RTL_SLOT_TIME_9;
1233 else
1234 mac->slot_time = RTL_SLOT_TIME_20;
1235
1236 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1237 (u8 *)(&mac->slot_time));
1238 }
1239
1240 if (changed & BSS_CHANGED_HT) {
1241 struct ieee80211_sta *sta = NULL;
1242
1243 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1244 "BSS_CHANGED_HT\n");
1245
1246 rcu_read_lock();
1247 sta = ieee80211_find_sta(vif, addr: (u8 *)bss_conf->bssid);
1248 if (sta) {
1249 if (sta->deflink.ht_cap.ampdu_density >
1250 mac->current_ampdu_density)
1251 mac->current_ampdu_density =
1252 sta->deflink.ht_cap.ampdu_density;
1253 if (sta->deflink.ht_cap.ampdu_factor <
1254 mac->current_ampdu_factor)
1255 mac->current_ampdu_factor =
1256 sta->deflink.ht_cap.ampdu_factor;
1257 }
1258 rcu_read_unlock();
1259
1260 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1261 (u8 *)(&mac->max_mss_density));
1262 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1263 &mac->current_ampdu_factor);
1264 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1265 &mac->current_ampdu_density);
1266 }
1267
1268 if (changed & BSS_CHANGED_BSSID) {
1269 u32 basic_rates;
1270 struct ieee80211_sta *sta = NULL;
1271
1272 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1273 (u8 *)bss_conf->bssid);
1274
1275 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1276 "bssid: %pM\n", bss_conf->bssid);
1277
1278 mac->vendor = PEER_UNKNOWN;
1279 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1280
1281 rcu_read_lock();
1282 sta = ieee80211_find_sta(vif, addr: (u8 *)bss_conf->bssid);
1283 if (!sta) {
1284 rcu_read_unlock();
1285 goto out;
1286 }
1287
1288 if (rtlhal->current_bandtype == BAND_ON_5G) {
1289 mac->mode = WIRELESS_MODE_A;
1290 } else {
1291 if (sta->deflink.supp_rates[0] <= 0xf)
1292 mac->mode = WIRELESS_MODE_B;
1293 else
1294 mac->mode = WIRELESS_MODE_G;
1295 }
1296
1297 if (sta->deflink.ht_cap.ht_supported) {
1298 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1299 mac->mode = WIRELESS_MODE_N_24G;
1300 else
1301 mac->mode = WIRELESS_MODE_N_5G;
1302 }
1303
1304 if (sta->deflink.vht_cap.vht_supported) {
1305 if (rtlhal->current_bandtype == BAND_ON_5G)
1306 mac->mode = WIRELESS_MODE_AC_5G;
1307 else
1308 mac->mode = WIRELESS_MODE_AC_24G;
1309 }
1310
1311 /* just station need it, because ibss & ap mode will
1312 * set in sta_add, and will be NULL here */
1313 if (vif->type == NL80211_IFTYPE_STATION) {
1314 struct rtl_sta_info *sta_entry;
1315
1316 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1317 sta_entry->wireless_mode = mac->mode;
1318 }
1319
1320 if (sta->deflink.ht_cap.ht_supported) {
1321 mac->ht_enable = true;
1322
1323 /*
1324 * for cisco 1252 bw20 it's wrong
1325 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1326 * mac->bw_40 = true;
1327 * }
1328 * */
1329 }
1330
1331 if (sta->deflink.vht_cap.vht_supported)
1332 mac->vht_enable = true;
1333
1334 if (changed & BSS_CHANGED_BASIC_RATES) {
1335 /* for 5G must << RATE_6M_INDEX = 4,
1336 * because 5G have no cck rate*/
1337 if (rtlhal->current_bandtype == BAND_ON_5G)
1338 basic_rates = sta->deflink.supp_rates[1] << 4;
1339 else
1340 basic_rates = sta->deflink.supp_rates[0];
1341
1342 mac->basic_rates = basic_rates;
1343 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1344 (u8 *)(&basic_rates));
1345 }
1346 rcu_read_unlock();
1347 }
1348out:
1349 mutex_unlock(lock: &rtlpriv->locks.conf_mutex);
1350}
1351
1352static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1353{
1354 struct rtl_priv *rtlpriv = rtl_priv(hw);
1355 u64 tsf;
1356
1357 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1358 return tsf;
1359}
1360
1361static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1362 struct ieee80211_vif *vif, u64 tsf)
1363{
1364 struct rtl_priv *rtlpriv = rtl_priv(hw);
1365 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1366 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1367
1368 mac->tsf = tsf;
1369 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1370}
1371
1372static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1373{
1374 struct rtl_priv *rtlpriv = rtl_priv(hw);
1375 u8 tmp = 0;
1376
1377 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1378}
1379
1380static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1381 struct ieee80211_vif *vif,
1382 enum sta_notify_cmd cmd,
1383 struct ieee80211_sta *sta)
1384{
1385 switch (cmd) {
1386 case STA_NOTIFY_SLEEP:
1387 break;
1388 case STA_NOTIFY_AWAKE:
1389 break;
1390 default:
1391 break;
1392 }
1393}
1394
1395static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1396 struct ieee80211_vif *vif,
1397 struct ieee80211_ampdu_params *params)
1398{
1399 struct rtl_priv *rtlpriv = rtl_priv(hw);
1400 struct ieee80211_sta *sta = params->sta;
1401 enum ieee80211_ampdu_mlme_action action = params->action;
1402 u16 tid = params->tid;
1403 u16 *ssn = &params->ssn;
1404
1405 switch (action) {
1406 case IEEE80211_AMPDU_TX_START:
1407 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1408 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1409 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1410 case IEEE80211_AMPDU_TX_STOP_CONT:
1411 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1412 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1413 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1414 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1415 return rtl_tx_agg_stop(hw, vif, sta, tid);
1416 case IEEE80211_AMPDU_TX_OPERATIONAL:
1417 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1418 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1419 rtl_tx_agg_oper(hw, sta, tid);
1420 break;
1421 case IEEE80211_AMPDU_RX_START:
1422 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1423 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1424 return rtl_rx_agg_start(hw, sta, tid);
1425 case IEEE80211_AMPDU_RX_STOP:
1426 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1427 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1428 return rtl_rx_agg_stop(hw, sta, tid);
1429 default:
1430 pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1431 return -EOPNOTSUPP;
1432 }
1433 return 0;
1434}
1435
1436static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1437 struct ieee80211_vif *vif,
1438 const u8 *mac_addr)
1439{
1440 struct rtl_priv *rtlpriv = rtl_priv(hw);
1441 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1442
1443 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1444 mac->act_scanning = true;
1445 if (rtlpriv->link_info.higher_busytraffic) {
1446 mac->skip_scan = true;
1447 return;
1448 }
1449
1450 if (rtlpriv->cfg->ops->get_btc_status())
1451 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1452 else if (rtlpriv->btcoexist.btc_ops)
1453 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1454 1);
1455
1456 if (mac->link_state == MAC80211_LINKED) {
1457 rtl_lps_leave(hw, may_block: true);
1458 mac->link_state = MAC80211_LINKED_SCANNING;
1459 } else {
1460 rtl_ips_nic_on(hw);
1461 }
1462
1463 /* Dul mac */
1464 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1465
1466 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1467 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1468}
1469
1470static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1471 struct ieee80211_vif *vif)
1472{
1473 struct rtl_priv *rtlpriv = rtl_priv(hw);
1474 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1475
1476 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1477 mac->act_scanning = false;
1478 mac->skip_scan = false;
1479
1480 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1481
1482 if (rtlpriv->link_info.higher_busytraffic)
1483 return;
1484
1485 /* p2p will use 1/6/11 to scan */
1486 if (mac->n_channels == 3)
1487 mac->p2p_in_use = true;
1488 else
1489 mac->p2p_in_use = false;
1490 mac->n_channels = 0;
1491 /* Dul mac */
1492 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1493
1494 if (mac->link_state == MAC80211_LINKED_SCANNING) {
1495 mac->link_state = MAC80211_LINKED;
1496 if (mac->opmode == NL80211_IFTYPE_STATION) {
1497 /* fix fwlps issue */
1498 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1499 }
1500 }
1501
1502 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1503 if (rtlpriv->cfg->ops->get_btc_status())
1504 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1505 else if (rtlpriv->btcoexist.btc_ops)
1506 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1507 0);
1508}
1509
1510static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1511 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1512 struct ieee80211_key_conf *key)
1513{
1514 struct rtl_priv *rtlpriv = rtl_priv(hw);
1515 u8 key_type = NO_ENCRYPTION;
1516 u8 key_idx;
1517 bool group_key = false;
1518 bool wep_only = false;
1519 int err = 0;
1520 u8 mac_addr[ETH_ALEN];
1521 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1522
1523 rtlpriv->btcoexist.btc_info.in_4way = false;
1524
1525 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1526 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
1527 "not open hw encryption\n");
1528 return -ENOSPC; /*User disabled HW-crypto */
1529 }
1530 /* To support IBSS, use sw-crypto for GTK */
1531 if ((vif->type == NL80211_IFTYPE_ADHOC ||
1532 vif->type == NL80211_IFTYPE_MESH_POINT) &&
1533 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1534 return -ENOSPC;
1535 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1536 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1537 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1538 sta ? sta->addr : bcast_addr);
1539 rtlpriv->sec.being_setkey = true;
1540 rtl_ips_nic_on(hw);
1541 mutex_lock(&rtlpriv->locks.conf_mutex);
1542 /* <1> get encryption alg */
1543
1544 switch (key->cipher) {
1545 case WLAN_CIPHER_SUITE_WEP40:
1546 key_type = WEP40_ENCRYPTION;
1547 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1548 break;
1549 case WLAN_CIPHER_SUITE_WEP104:
1550 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1551 key_type = WEP104_ENCRYPTION;
1552 break;
1553 case WLAN_CIPHER_SUITE_TKIP:
1554 key_type = TKIP_ENCRYPTION;
1555 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1556 break;
1557 case WLAN_CIPHER_SUITE_CCMP:
1558 key_type = AESCCMP_ENCRYPTION;
1559 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1560 break;
1561 case WLAN_CIPHER_SUITE_AES_CMAC:
1562 /* HW don't support CMAC encryption,
1563 * use software CMAC encryption
1564 */
1565 key_type = AESCMAC_ENCRYPTION;
1566 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1567 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1568 "HW don't support CMAC encryption, use software CMAC encryption\n");
1569 err = -EOPNOTSUPP;
1570 goto out_unlock;
1571 default:
1572 pr_err("alg_err:%x!!!!:\n", key->cipher);
1573 goto out_unlock;
1574 }
1575 if (key_type == WEP40_ENCRYPTION ||
1576 key_type == WEP104_ENCRYPTION ||
1577 vif->type == NL80211_IFTYPE_ADHOC)
1578 rtlpriv->sec.use_defaultkey = true;
1579
1580 /* <2> get key_idx */
1581 key_idx = (u8) (key->keyidx);
1582 if (key_idx > 3)
1583 goto out_unlock;
1584 /* <3> if pairwise key enable_hw_sec */
1585 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1586
1587 /* wep always be group key, but there are two conditions:
1588 * 1) wep only: is just for wep enc, in this condition
1589 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1590 * will be true & enable_hw_sec will be set when wep
1591 * ke setting.
1592 * 2) wep(group) + AES(pairwise): some AP like cisco
1593 * may use it, in this condition enable_hw_sec will not
1594 * be set when wep key setting */
1595 /* we must reset sec_info after lingked before set key,
1596 * or some flag will be wrong*/
1597 if (vif->type == NL80211_IFTYPE_AP ||
1598 vif->type == NL80211_IFTYPE_MESH_POINT) {
1599 if (!group_key || key_type == WEP40_ENCRYPTION ||
1600 key_type == WEP104_ENCRYPTION) {
1601 if (group_key)
1602 wep_only = true;
1603 rtlpriv->cfg->ops->enable_hw_sec(hw);
1604 }
1605 } else {
1606 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1607 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1608 if (rtlpriv->sec.pairwise_enc_algorithm ==
1609 NO_ENCRYPTION &&
1610 (key_type == WEP40_ENCRYPTION ||
1611 key_type == WEP104_ENCRYPTION))
1612 wep_only = true;
1613 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1614 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1615 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1616 key_type);
1617 rtlpriv->cfg->ops->enable_hw_sec(hw);
1618 }
1619 }
1620 /* <4> set key based on cmd */
1621 switch (cmd) {
1622 case SET_KEY:
1623 if (wep_only) {
1624 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1625 "set WEP(group/pairwise) key\n");
1626 /* Pairwise key with an assigned MAC address. */
1627 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1628 rtlpriv->sec.group_enc_algorithm = key_type;
1629 /*set local buf about wep key. */
1630 memcpy(rtlpriv->sec.key_buf[key_idx],
1631 key->key, key->keylen);
1632 rtlpriv->sec.key_len[key_idx] = key->keylen;
1633 eth_zero_addr(addr: mac_addr);
1634 } else if (group_key) { /* group key */
1635 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1636 "set group key\n");
1637 /* group key */
1638 rtlpriv->sec.group_enc_algorithm = key_type;
1639 /*set local buf about group key. */
1640 memcpy(rtlpriv->sec.key_buf[key_idx],
1641 key->key, key->keylen);
1642 rtlpriv->sec.key_len[key_idx] = key->keylen;
1643 eth_broadcast_addr(addr: mac_addr);
1644 } else { /* pairwise key */
1645 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1646 "set pairwise key\n");
1647 if (!sta) {
1648 WARN_ONCE(true,
1649 "rtlwifi: pairwise key without mac_addr\n");
1650
1651 err = -EOPNOTSUPP;
1652 goto out_unlock;
1653 }
1654 /* Pairwise key with an assigned MAC address. */
1655 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1656 /*set local buf about pairwise key. */
1657 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1658 key->key, key->keylen);
1659 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1660 rtlpriv->sec.pairwise_key =
1661 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1662 memcpy(mac_addr, sta->addr, ETH_ALEN);
1663 }
1664 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1665 group_key, key_type, wep_only,
1666 false);
1667 /* <5> tell mac80211 do something: */
1668 /*must use sw generate IV, or can not work !!!!. */
1669 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1670 key->hw_key_idx = key_idx;
1671 if (key_type == TKIP_ENCRYPTION)
1672 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1673 /*use software CCMP encryption for management frames (MFP) */
1674 if (key_type == AESCCMP_ENCRYPTION)
1675 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1676 break;
1677 case DISABLE_KEY:
1678 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1679 "disable key delete one entry\n");
1680 /*set local buf about wep key. */
1681 if (vif->type == NL80211_IFTYPE_AP ||
1682 vif->type == NL80211_IFTYPE_MESH_POINT) {
1683 if (sta)
1684 rtl_cam_del_entry(hw, sta_addr: sta->addr);
1685 }
1686 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1687 rtlpriv->sec.key_len[key_idx] = 0;
1688 eth_zero_addr(addr: mac_addr);
1689 /*
1690 *mac80211 will delete entries one by one,
1691 *so don't use rtl_cam_reset_all_entry
1692 *or clear all entry here.
1693 */
1694 rtl_wait_tx_report_acked(hw, wait_ms: 500); /* wait 500ms for TX ack */
1695
1696 rtl_cam_delete_one_entry(hw, mac_addr, ul_key_id: key_idx);
1697 break;
1698 default:
1699 pr_err("cmd_err:%x!!!!:\n", cmd);
1700 }
1701out_unlock:
1702 mutex_unlock(lock: &rtlpriv->locks.conf_mutex);
1703 rtlpriv->sec.being_setkey = false;
1704 return err;
1705}
1706
1707static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1708{
1709 struct rtl_priv *rtlpriv = rtl_priv(hw);
1710
1711 bool radio_state;
1712 bool blocked;
1713 u8 valid = 0;
1714
1715 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1716 return;
1717
1718 mutex_lock(&rtlpriv->locks.conf_mutex);
1719
1720 /*if Radio On return true here */
1721 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1722
1723 if (valid) {
1724 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1725 rtlpriv->rfkill.rfkill_state = radio_state;
1726
1727 rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG,
1728 "wireless radio switch turned %s\n",
1729 radio_state ? "on" : "off");
1730
1731 blocked = !rtlpriv->rfkill.rfkill_state;
1732 wiphy_rfkill_set_hw_state(wiphy: hw->wiphy, blocked);
1733 }
1734 }
1735
1736 mutex_unlock(lock: &rtlpriv->locks.conf_mutex);
1737}
1738
1739/* this function is called by mac80211 to flush tx buffer
1740 * before switch channle or power save, or tx buffer packet
1741 * maybe send after offchannel or rf sleep, this may cause
1742 * dis-association by AP */
1743static void rtl_op_flush(struct ieee80211_hw *hw,
1744 struct ieee80211_vif *vif,
1745 u32 queues,
1746 bool drop)
1747{
1748 struct rtl_priv *rtlpriv = rtl_priv(hw);
1749
1750 if (rtlpriv->intf_ops->flush)
1751 rtlpriv->intf_ops->flush(hw, queues, drop);
1752}
1753
1754static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
1755 bool set)
1756{
1757 struct rtl_priv *rtlpriv = rtl_priv(hw);
1758 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1759
1760 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU)
1761 schedule_work(work: &rtlpriv->works.update_beacon_work);
1762
1763 return 0;
1764}
1765
1766/* Description:
1767 * This routine deals with the Power Configuration CMD
1768 * parsing for RTL8723/RTL8188E Series IC.
1769 * Assumption:
1770 * We should follow specific format that was released from HW SD.
1771 */
1772bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1773 u8 faversion, u8 interface_type,
1774 struct wlan_pwr_cfg pwrcfgcmd[])
1775{
1776 struct wlan_pwr_cfg cfg_cmd;
1777 bool polling_bit = false;
1778 u32 ary_idx = 0;
1779 u8 value = 0;
1780 u32 offset = 0;
1781 u32 polling_count = 0;
1782 u32 max_polling_cnt = 5000;
1783
1784 do {
1785 cfg_cmd = pwrcfgcmd[ary_idx];
1786 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1787 "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1788 __func__,
1789 GET_PWR_CFG_OFFSET(cfg_cmd),
1790 GET_PWR_CFG_CUT_MASK(cfg_cmd),
1791 GET_PWR_CFG_FAB_MASK(cfg_cmd),
1792 GET_PWR_CFG_INTF_MASK(cfg_cmd),
1793 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1794 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1795
1796 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1797 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1798 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1799 switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1800 case PWR_CMD_READ:
1801 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1802 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1803 break;
1804 case PWR_CMD_WRITE:
1805 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1806 "%s(): PWR_CMD_WRITE\n", __func__);
1807 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1808
1809 /*Read the value from system register*/
1810 value = rtl_read_byte(rtlpriv, addr: offset);
1811 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1812 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1813 GET_PWR_CFG_MASK(cfg_cmd));
1814
1815 /*Write the value back to system register*/
1816 rtl_write_byte(rtlpriv, addr: offset, val8: value);
1817 break;
1818 case PWR_CMD_POLLING:
1819 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1820 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1821 polling_bit = false;
1822 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1823
1824 do {
1825 value = rtl_read_byte(rtlpriv, addr: offset);
1826
1827 value &= GET_PWR_CFG_MASK(cfg_cmd);
1828 if (value ==
1829 (GET_PWR_CFG_VALUE(cfg_cmd) &
1830 GET_PWR_CFG_MASK(cfg_cmd)))
1831 polling_bit = true;
1832 else
1833 udelay(10);
1834
1835 if (polling_count++ > max_polling_cnt)
1836 return false;
1837 } while (!polling_bit);
1838 break;
1839 case PWR_CMD_DELAY:
1840 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1841 "%s: PWR_CMD_DELAY\n", __func__);
1842 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1843 PWRSEQ_DELAY_US)
1844 udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1845 else
1846 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1847 break;
1848 case PWR_CMD_END:
1849 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1850 "%s: PWR_CMD_END\n", __func__);
1851 return true;
1852 default:
1853 WARN_ONCE(true,
1854 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1855 break;
1856 }
1857 }
1858 ary_idx++;
1859 } while (1);
1860
1861 return true;
1862}
1863EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1864
1865bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1866{
1867 struct rtl_priv *rtlpriv = rtl_priv(hw);
1868 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1869 struct rtl8192_tx_ring *ring;
1870 struct rtl_tx_desc *pdesc;
1871 unsigned long flags;
1872 struct sk_buff *pskb = NULL;
1873
1874 ring = &rtlpci->tx_ring[BEACON_QUEUE];
1875
1876 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1877 pskb = __skb_dequeue(list: &ring->queue);
1878 if (pskb)
1879 dev_kfree_skb_irq(skb: pskb);
1880
1881 /*this is wrong, fill_tx_cmddesc needs update*/
1882 pdesc = &ring->desc[0];
1883
1884 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, skb);
1885
1886 __skb_queue_tail(list: &ring->queue, newsk: skb);
1887
1888 spin_unlock_irqrestore(lock: &rtlpriv->locks.irq_th_lock, flags);
1889
1890 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1891
1892 return true;
1893}
1894EXPORT_SYMBOL(rtl_cmd_send_packet);
1895
1896void rtl_init_sw_leds(struct ieee80211_hw *hw)
1897{
1898 struct rtl_priv *rtlpriv = rtl_priv(hw);
1899
1900 rtlpriv->ledctl.sw_led0 = LED_PIN_LED0;
1901 rtlpriv->ledctl.sw_led1 = LED_PIN_LED1;
1902}
1903EXPORT_SYMBOL(rtl_init_sw_leds);
1904
1905const struct ieee80211_ops rtl_ops = {
1906 .add_chanctx = ieee80211_emulate_add_chanctx,
1907 .remove_chanctx = ieee80211_emulate_remove_chanctx,
1908 .change_chanctx = ieee80211_emulate_change_chanctx,
1909 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
1910 .start = rtl_op_start,
1911 .stop = rtl_op_stop,
1912 .tx = rtl_op_tx,
1913 .wake_tx_queue = ieee80211_handle_wake_tx_queue,
1914 .add_interface = rtl_op_add_interface,
1915 .remove_interface = rtl_op_remove_interface,
1916 .change_interface = rtl_op_change_interface,
1917#ifdef CONFIG_PM
1918 .suspend = rtl_op_suspend,
1919 .resume = rtl_op_resume,
1920#endif
1921 .config = rtl_op_config,
1922 .configure_filter = rtl_op_configure_filter,
1923 .set_key = rtl_op_set_key,
1924 .conf_tx = rtl_op_conf_tx,
1925 .bss_info_changed = rtl_op_bss_info_changed,
1926 .get_tsf = rtl_op_get_tsf,
1927 .set_tsf = rtl_op_set_tsf,
1928 .reset_tsf = rtl_op_reset_tsf,
1929 .sta_notify = rtl_op_sta_notify,
1930 .ampdu_action = rtl_op_ampdu_action,
1931 .sw_scan_start = rtl_op_sw_scan_start,
1932 .sw_scan_complete = rtl_op_sw_scan_complete,
1933 .rfkill_poll = rtl_op_rfkill_poll,
1934 .sta_add = rtl_op_sta_add,
1935 .sta_remove = rtl_op_sta_remove,
1936 .flush = rtl_op_flush,
1937 .set_tim = rtl_op_set_tim,
1938};
1939EXPORT_SYMBOL_GPL(rtl_ops);
1940
1941bool rtl_btc_status_false(void)
1942{
1943 return false;
1944}
1945EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1946
1947void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1948{
1949 struct rtl_priv *rtlpriv = rtl_priv(hw);
1950 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1951
1952 dm_digtable->dig_enable_flag = true;
1953 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1954 dm_digtable->cur_igvalue = cur_igvalue;
1955 dm_digtable->pre_igvalue = 0;
1956 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1957 dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1958 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1959 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1960 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1961 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1962 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1963 dm_digtable->rx_gain_max = DM_DIG_MAX;
1964 dm_digtable->rx_gain_min = DM_DIG_MIN;
1965 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1966 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1967 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1968 dm_digtable->pre_cck_cca_thres = 0xff;
1969 dm_digtable->cur_cck_cca_thres = 0x83;
1970 dm_digtable->forbidden_igi = DM_DIG_MIN;
1971 dm_digtable->large_fa_hit = 0;
1972 dm_digtable->recover_cnt = 0;
1973 dm_digtable->dig_min_0 = 0x25;
1974 dm_digtable->dig_min_1 = 0x25;
1975 dm_digtable->media_connect_0 = false;
1976 dm_digtable->media_connect_1 = false;
1977 rtlpriv->dm.dm_initialgain_enable = true;
1978 dm_digtable->bt30_cur_igi = 0x32;
1979 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1980 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1981 dm_digtable->pre_cck_fa_state = 0;
1982 dm_digtable->cur_cck_fa_state = 0;
1983}
1984EXPORT_SYMBOL(rtl_dm_diginit);
1985

source code of linux/drivers/net/wireless/realtek/rtlwifi/core.c