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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / net / wireless / realtek / rtlwifi / core.c
blobf73e690bbe8e0b5cf11728b3310cdec03aaf68ed
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
16 u8 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 };
25 EXPORT_SYMBOL(channel5g);
26
27 u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = {
28 42, 58, 106, 122, 138, 155, 171
29 };
30 EXPORT_SYMBOL(channel5g_80m);
31
32 void rtl_addr_delay(u32 addr)
33 {
34 if (addr == 0xfe)
35 mdelay(50);
36 else if (addr == 0xfd)
37 msleep(5);
38 else if (addr == 0xfc)
39 msleep(1);
40 else if (addr == 0xfb)
41 usleep_range(50, 100);
42 else if (addr == 0xfa)
43 usleep_range(5, 10);
44 else if (addr == 0xf9)
45 usleep_range(1, 2);
46 }
47 EXPORT_SYMBOL(rtl_addr_delay);
48
49 void 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, addr, mask, data);
56 udelay(1);
57 }
58 }
59 EXPORT_SYMBOL(rtl_rfreg_delay);
60
61 void 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, addr, MASKDWORD, data);
67 udelay(1);
68 }
69 }
70 EXPORT_SYMBOL(rtl_bb_delay);
71
72 static 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 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
80 "Firmware callback routine entered!\n");
81 complete(&rtlpriv->firmware_loading_complete);
82 if (!firmware) {
83 if (rtlpriv->cfg->alt_fw_name) {
84 err = request_firmware(&firmware,
85 rtlpriv->cfg->alt_fw_name,
86 rtlpriv->io.dev);
87 pr_info("Loading alternative firmware %s\n",
88 rtlpriv->cfg->alt_fw_name);
89 if (!err)
90 goto found_alt;
91 }
92 pr_err("Selected firmware is not available\n");
93 rtlpriv->max_fw_size = 0;
94 return;
95 }
96 found_alt:
97 if (firmware->size > rtlpriv->max_fw_size) {
98 pr_err("Firmware is too big!\n");
99 release_firmware(firmware);
100 return;
101 }
102 if (!is_wow) {
103 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
104 firmware->size);
105 rtlpriv->rtlhal.fwsize = firmware->size;
106 } else {
107 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
108 firmware->size);
109 rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
110 }
111 release_firmware(firmware);
112 }
113
114 void rtl_fw_cb(const struct firmware *firmware, void *context)
115 {
116 rtl_fw_do_work(firmware, context, false);
117 }
118 EXPORT_SYMBOL(rtl_fw_cb);
119
120 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
121 {
122 rtl_fw_do_work(firmware, context, true);
123 }
124 EXPORT_SYMBOL(rtl_wowlan_fw_cb);
125
126 /*mutex for start & stop is must here. */
127 static int rtl_op_start(struct ieee80211_hw *hw)
128 {
129 int err = 0;
130 struct rtl_priv *rtlpriv = rtl_priv(hw);
131 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
132
133 if (!is_hal_stop(rtlhal))
134 return 0;
135 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
136 return 0;
137 mutex_lock(&rtlpriv->locks.conf_mutex);
138 err = rtlpriv->intf_ops->adapter_start(hw);
139 if (!err)
140 rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer);
141 mutex_unlock(&rtlpriv->locks.conf_mutex);
142 return err;
143 }
144
145 static void rtl_op_stop(struct ieee80211_hw *hw)
146 {
147 struct rtl_priv *rtlpriv = rtl_priv(hw);
148 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
149 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
150 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
151 bool support_remote_wakeup = false;
152
153 if (is_hal_stop(rtlhal))
154 return;
155
156 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
157 (u8 *)(&support_remote_wakeup));
158 /* here is must, because adhoc do stop and start,
159 * but stop with RFOFF may cause something wrong,
160 * like adhoc TP
161 */
162 if (unlikely(ppsc->rfpwr_state == ERFOFF))
163 rtl_ips_nic_on(hw);
164
165 mutex_lock(&rtlpriv->locks.conf_mutex);
166 /* if wowlan supported, DON'T clear connected info */
167 if (!(support_remote_wakeup &&
168 rtlhal->enter_pnp_sleep)) {
169 mac->link_state = MAC80211_NOLINK;
170 eth_zero_addr(mac->bssid);
171 mac->vendor = PEER_UNKNOWN;
172
173 /* reset sec info */
174 rtl_cam_reset_sec_info(hw);
175
176 rtl_deinit_deferred_work(hw, false);
177 }
178 rtlpriv->intf_ops->adapter_stop(hw);
179
180 mutex_unlock(&rtlpriv->locks.conf_mutex);
181 }
182
183 static void rtl_op_tx(struct ieee80211_hw *hw,
184 struct ieee80211_tx_control *control,
185 struct sk_buff *skb)
186 {
187 struct rtl_priv *rtlpriv = rtl_priv(hw);
188 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
189 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
190 struct rtl_tcb_desc tcb_desc;
191
192 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
193
194 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
195 goto err_free;
196
197 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
198 goto err_free;
199
200 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
201 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
202 return;
203
204 err_free:
205 dev_kfree_skb_any(skb);
206 }
207
208 static int rtl_op_add_interface(struct ieee80211_hw *hw,
209 struct ieee80211_vif *vif)
210 {
211 struct rtl_priv *rtlpriv = rtl_priv(hw);
212 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
213 int err = 0;
214 u8 retry_limit = 0x30;
215
216 if (mac->vif) {
217 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
218 "vif has been set!! mac->vif = 0x%p\n", mac->vif);
219 return -EOPNOTSUPP;
220 }
221
222 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
223
224 rtl_ips_nic_on(hw);
225
226 mutex_lock(&rtlpriv->locks.conf_mutex);
227 switch (ieee80211_vif_type_p2p(vif)) {
228 case NL80211_IFTYPE_P2P_CLIENT:
229 mac->p2p = P2P_ROLE_CLIENT;
230 /*fall through*/
231 case NL80211_IFTYPE_STATION:
232 if (mac->beacon_enabled == 1) {
233 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
234 "NL80211_IFTYPE_STATION\n");
235 mac->beacon_enabled = 0;
236 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
237 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
238 }
239 break;
240 case NL80211_IFTYPE_ADHOC:
241 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
242 "NL80211_IFTYPE_ADHOC\n");
243
244 mac->link_state = MAC80211_LINKED;
245 rtlpriv->cfg->ops->set_bcn_reg(hw);
246 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
247 mac->basic_rates = 0xfff;
248 else
249 mac->basic_rates = 0xff0;
250 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
251 (u8 *)(&mac->basic_rates));
252
253 retry_limit = 0x07;
254 break;
255 case NL80211_IFTYPE_P2P_GO:
256 mac->p2p = P2P_ROLE_GO;
257 /*fall through*/
258 case NL80211_IFTYPE_AP:
259 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
260 "NL80211_IFTYPE_AP\n");
261
262 mac->link_state = MAC80211_LINKED;
263 rtlpriv->cfg->ops->set_bcn_reg(hw);
264 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
265 mac->basic_rates = 0xfff;
266 else
267 mac->basic_rates = 0xff0;
268 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
269 (u8 *)(&mac->basic_rates));
270
271 retry_limit = 0x07;
272 break;
273 case NL80211_IFTYPE_MESH_POINT:
274 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
275 "NL80211_IFTYPE_MESH_POINT\n");
276
277 mac->link_state = MAC80211_LINKED;
278 rtlpriv->cfg->ops->set_bcn_reg(hw);
279 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
280 mac->basic_rates = 0xfff;
281 else
282 mac->basic_rates = 0xff0;
283 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
284 (u8 *)(&mac->basic_rates));
285
286 retry_limit = 0x07;
287 break;
288 default:
289 pr_err("operation mode %d is not supported!\n",
290 vif->type);
291 err = -EOPNOTSUPP;
292 goto out;
293 }
294
295 if (mac->p2p) {
296 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
297 "p2p role %x\n", vif->type);
298 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
299 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
300 (u8 *)(&mac->basic_rates));
301 }
302 mac->vif = vif;
303 mac->opmode = vif->type;
304 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
305 memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
306 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
307
308 mac->retry_long = retry_limit;
309 mac->retry_short = retry_limit;
310 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
311 (u8 *)(&retry_limit));
312 out:
313 mutex_unlock(&rtlpriv->locks.conf_mutex);
314 return err;
315 }
316
317 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
318 struct ieee80211_vif *vif)
319 {
320 struct rtl_priv *rtlpriv = rtl_priv(hw);
321 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
322
323 mutex_lock(&rtlpriv->locks.conf_mutex);
324
325 /* Free beacon resources */
326 if (vif->type == NL80211_IFTYPE_AP ||
327 vif->type == NL80211_IFTYPE_ADHOC ||
328 vif->type == NL80211_IFTYPE_MESH_POINT) {
329 if (mac->beacon_enabled == 1) {
330 mac->beacon_enabled = 0;
331 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
332 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
333 }
334 }
335
336 /*
337 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
338 *NO LINK for our hardware.
339 */
340 mac->p2p = 0;
341 mac->vif = NULL;
342 mac->link_state = MAC80211_NOLINK;
343 eth_zero_addr(mac->bssid);
344 mac->vendor = PEER_UNKNOWN;
345 mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
346 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
347
348 mutex_unlock(&rtlpriv->locks.conf_mutex);
349 }
350
351 static int rtl_op_change_interface(struct ieee80211_hw *hw,
352 struct ieee80211_vif *vif,
353 enum nl80211_iftype new_type, bool p2p)
354 {
355 struct rtl_priv *rtlpriv = rtl_priv(hw);
356 int ret;
357
358 rtl_op_remove_interface(hw, vif);
359
360 vif->type = new_type;
361 vif->p2p = p2p;
362 ret = rtl_op_add_interface(hw, vif);
363 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
364 "p2p %x\n", p2p);
365 return ret;
366 }
367
368 #ifdef CONFIG_PM
369 static u16 crc16_ccitt(u8 data, u16 crc)
370 {
371 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
372 u8 i;
373 u16 result;
374
375 for (i = 0; i < 8; i++) {
376 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
377 data_bit = (data & (BIT(0) << i) ? 1 : 0);
378 shift_in = crc_bit15 ^ data_bit;
379
380 result = crc << 1;
381 if (shift_in == 0)
382 result &= (~BIT(0));
383 else
384 result |= BIT(0);
385
386 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
387 if (crc_bit11 == 0)
388 result &= (~BIT(12));
389 else
390 result |= BIT(12);
391
392 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
393 if (crc_bit4 == 0)
394 result &= (~BIT(5));
395 else
396 result |= BIT(5);
397
398 crc = result;
399 }
400
401 return crc;
402 }
403
404 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
405 {
406 u16 crc = 0xffff;
407 u32 i;
408
409 for (i = 0; i < len; i++)
410 crc = crc16_ccitt(pattern[i], crc);
411
412 crc = ~crc;
413
414 return crc;
415 }
416
417 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
418 struct cfg80211_wowlan *wow)
419 {
420 struct rtl_priv *rtlpriv = rtl_priv(hw);
421 struct rtl_mac *mac = &rtlpriv->mac80211;
422 struct cfg80211_pkt_pattern *patterns = wow->patterns;
423 struct rtl_wow_pattern rtl_pattern;
424 const u8 *pattern_os, *mask_os;
425 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
426 u8 content[MAX_WOL_PATTERN_SIZE] = {0};
427 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
428 u8 multicast_addr1[2] = {0x33, 0x33};
429 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
430 u8 i, mask_len;
431 u16 j, len;
432
433 for (i = 0; i < wow->n_patterns; i++) {
434 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
435 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
436 if (patterns[i].pattern_len < 0 ||
437 patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
438 RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
439 "Pattern[%d] is too long\n", i);
440 continue;
441 }
442 pattern_os = patterns[i].pattern;
443 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
444 mask_os = patterns[i].mask;
445 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
446 "pattern content\n", pattern_os,
447 patterns[i].pattern_len);
448 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
449 "mask content\n", mask_os, mask_len);
450 /* 1. unicast? multicast? or broadcast? */
451 if (memcmp(pattern_os, broadcast_addr, 6) == 0)
452 rtl_pattern.type = BROADCAST_PATTERN;
453 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
454 memcmp(pattern_os, multicast_addr2, 3) == 0)
455 rtl_pattern.type = MULTICAST_PATTERN;
456 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0)
457 rtl_pattern.type = UNICAST_PATTERN;
458 else
459 rtl_pattern.type = UNKNOWN_TYPE;
460
461 /* 2. translate mask_from_os to mask_for_hw */
462
463 /******************************************************************************
464 * pattern from OS uses 'ethenet frame', like this:
465
466 | 6 | 6 | 2 | 20 | Variable | 4 |
467 |--------+--------+------+-----------+------------+-----|
468 | 802.3 Mac Header | IP Header | TCP Packet | FCS |
469 | DA | SA | Type |
470
471 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
472
473 | 24 or 30 | 6 | 2 | 20 | Variable | 4 |
474 |-------------------+--------+------+-----------+------------+-----|
475 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS |
476 | Others | Tpye |
477
478 * Therefore, we need translate mask_from_OS to mask_to_hw.
479 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
480 * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
481 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
482 ******************************************************************************/
483
484 /* Shift 6 bits */
485 for (j = 0; j < mask_len - 1; j++) {
486 mask[j] = mask_os[j] >> 6;
487 mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
488 }
489 mask[j] = (mask_os[j] >> 6) & 0x3F;
490 /* Set bit 0-5 to zero */
491 mask[0] &= 0xC0;
492
493 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
494 "mask to hw\n", mask, mask_len);
495 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
496 rtl_pattern.mask[j] = mask[j * 4];
497 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
498 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
499 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
500 }
501
502 /* To get the wake up pattern from the mask.
503 * We do not count first 12 bits which means
504 * DA[6] and SA[6] in the pattern to match HW design.
505 */
506 len = 0;
507 for (j = 12; j < patterns[i].pattern_len; j++) {
508 if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
509 content[len] = pattern_os[j];
510 len++;
511 }
512 }
513
514 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
515 "pattern to hw\n", content, len);
516 /* 3. calculate crc */
517 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
518 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
519 "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
520
521 /* 4. write crc & mask_for_hw to hw */
522 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
523 }
524 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
525 }
526
527 static int rtl_op_suspend(struct ieee80211_hw *hw,
528 struct cfg80211_wowlan *wow)
529 {
530 struct rtl_priv *rtlpriv = rtl_priv(hw);
531 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
532 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
533
534 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
535 if (WARN_ON(!wow))
536 return -EINVAL;
537
538 /* to resolve s4 can not wake up*/
539 rtlhal->last_suspend_sec = ktime_get_real_seconds();
540
541 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
542 _rtl_add_wowlan_patterns(hw, wow);
543
544 rtlhal->driver_is_goingto_unload = true;
545 rtlhal->enter_pnp_sleep = true;
546
547 rtl_lps_leave(hw);
548 rtl_op_stop(hw);
549 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
550 return 0;
551 }
552
553 static int rtl_op_resume(struct ieee80211_hw *hw)
554 {
555 struct rtl_priv *rtlpriv = rtl_priv(hw);
556 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
557 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
558 time64_t now;
559
560 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
561 rtlhal->driver_is_goingto_unload = false;
562 rtlhal->enter_pnp_sleep = false;
563 rtlhal->wake_from_pnp_sleep = true;
564
565 /* to resovle s4 can not wake up*/
566 now = ktime_get_real_seconds();
567 if (now - rtlhal->last_suspend_sec < 5)
568 return -1;
569
570 rtl_op_start(hw);
571 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
572 ieee80211_resume_disconnect(mac->vif);
573 rtlhal->wake_from_pnp_sleep = false;
574 return 0;
575 }
576 #endif
577
578 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
579 {
580 struct rtl_priv *rtlpriv = rtl_priv(hw);
581 struct rtl_phy *rtlphy = &(rtlpriv->phy);
582 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
583 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
584 struct ieee80211_conf *conf = &hw->conf;
585
586 if (mac->skip_scan)
587 return 1;
588
589 mutex_lock(&rtlpriv->locks.conf_mutex);
590 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/
591 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
592 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
593 }
594
595 /*For IPS */
596 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
597 if (hw->conf.flags & IEEE80211_CONF_IDLE)
598 rtl_ips_nic_off(hw);
599 else
600 rtl_ips_nic_on(hw);
601 } else {
602 /*
603 *although rfoff may not cause by ips, but we will
604 *check the reason in set_rf_power_state function
605 */
606 if (unlikely(ppsc->rfpwr_state == ERFOFF))
607 rtl_ips_nic_on(hw);
608 }
609
610 /*For LPS */
611 if ((changed & IEEE80211_CONF_CHANGE_PS) &&
612 rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
613 cancel_delayed_work(&rtlpriv->works.ps_work);
614 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
615 if (conf->flags & IEEE80211_CONF_PS) {
616 rtlpriv->psc.sw_ps_enabled = true;
617 /* sleep here is must, or we may recv the beacon and
618 * cause mac80211 into wrong ps state, this will cause
619 * power save nullfunc send fail, and further cause
620 * pkt loss, So sleep must quickly but not immediatly
621 * because that will cause nullfunc send by mac80211
622 * fail, and cause pkt loss, we have tested that 5mA
623 * is worked very well */
624 if (!rtlpriv->psc.multi_buffered)
625 queue_delayed_work(rtlpriv->works.rtl_wq,
626 &rtlpriv->works.ps_work,
627 MSECS(5));
628 } else {
629 rtl_swlps_rf_awake(hw);
630 rtlpriv->psc.sw_ps_enabled = false;
631 }
632 }
633
634 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
635 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
636 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
637 hw->conf.long_frame_max_tx_count);
638 /* brought up everything changes (changed == ~0) indicates first
639 * open, so use our default value instead of that of wiphy.
640 */
641 if (changed != ~0) {
642 mac->retry_long = hw->conf.long_frame_max_tx_count;
643 mac->retry_short = hw->conf.long_frame_max_tx_count;
644 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
645 (u8 *)(&hw->conf.long_frame_max_tx_count));
646 }
647 }
648
649 if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
650 !rtlpriv->proximity.proxim_on) {
651 struct ieee80211_channel *channel = hw->conf.chandef.chan;
652 enum nl80211_chan_width width = hw->conf.chandef.width;
653 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
654 u8 wide_chan = (u8) channel->hw_value;
655
656 /* channel_type is for 20&40M */
657 if (width < NL80211_CHAN_WIDTH_80)
658 channel_type =
659 cfg80211_get_chandef_type(&hw->conf.chandef);
660 if (mac->act_scanning)
661 mac->n_channels++;
662
663 if (rtlpriv->dm.supp_phymode_switch &&
664 mac->link_state < MAC80211_LINKED &&
665 !mac->act_scanning) {
666 if (rtlpriv->cfg->ops->chk_switch_dmdp)
667 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
668 }
669
670 /*
671 *because we should back channel to
672 *current_network.chan in in scanning,
673 *So if set_chan == current_network.chan
674 *we should set it.
675 *because mac80211 tell us wrong bw40
676 *info for cisco1253 bw20, so we modify
677 *it here based on UPPER & LOWER
678 */
679
680 if (width >= NL80211_CHAN_WIDTH_80) {
681 if (width == NL80211_CHAN_WIDTH_80) {
682 u32 center = hw->conf.chandef.center_freq1;
683 u32 primary =
684 (u32)hw->conf.chandef.chan->center_freq;
685
686 rtlphy->current_chan_bw =
687 HT_CHANNEL_WIDTH_80;
688 mac->bw_80 = true;
689 mac->bw_40 = true;
690 if (center > primary) {
691 mac->cur_80_prime_sc =
692 PRIME_CHNL_OFFSET_LOWER;
693 if (center - primary == 10) {
694 mac->cur_40_prime_sc =
695 PRIME_CHNL_OFFSET_UPPER;
696
697 wide_chan += 2;
698 } else if (center - primary == 30) {
699 mac->cur_40_prime_sc =
700 PRIME_CHNL_OFFSET_LOWER;
701
702 wide_chan += 6;
703 }
704 } else {
705 mac->cur_80_prime_sc =
706 PRIME_CHNL_OFFSET_UPPER;
707 if (primary - center == 10) {
708 mac->cur_40_prime_sc =
709 PRIME_CHNL_OFFSET_LOWER;
710
711 wide_chan -= 2;
712 } else if (primary - center == 30) {
713 mac->cur_40_prime_sc =
714 PRIME_CHNL_OFFSET_UPPER;
715
716 wide_chan -= 6;
717 }
718 }
719 }
720 } else {
721 switch (channel_type) {
722 case NL80211_CHAN_HT20:
723 case NL80211_CHAN_NO_HT:
724 /* SC */
725 mac->cur_40_prime_sc =
726 PRIME_CHNL_OFFSET_DONT_CARE;
727 rtlphy->current_chan_bw =
728 HT_CHANNEL_WIDTH_20;
729 mac->bw_40 = false;
730 mac->bw_80 = false;
731 break;
732 case NL80211_CHAN_HT40MINUS:
733 /* SC */
734 mac->cur_40_prime_sc =
735 PRIME_CHNL_OFFSET_UPPER;
736 rtlphy->current_chan_bw =
737 HT_CHANNEL_WIDTH_20_40;
738 mac->bw_40 = true;
739 mac->bw_80 = false;
740
741 /*wide channel */
742 wide_chan -= 2;
743
744 break;
745 case NL80211_CHAN_HT40PLUS:
746 /* SC */
747 mac->cur_40_prime_sc =
748 PRIME_CHNL_OFFSET_LOWER;
749 rtlphy->current_chan_bw =
750 HT_CHANNEL_WIDTH_20_40;
751 mac->bw_40 = true;
752 mac->bw_80 = false;
753
754 /*wide channel */
755 wide_chan += 2;
756
757 break;
758 default:
759 mac->bw_40 = false;
760 mac->bw_80 = false;
761 pr_err("switch case %#x not processed\n",
762 channel_type);
763 break;
764 }
765 }
766
767 if (wide_chan <= 0)
768 wide_chan = 1;
769
770 /* In scanning, when before we offchannel we may send a ps=1
771 * null to AP, and then we may send a ps = 0 null to AP quickly,
772 * but first null may have caused AP to put lots of packet to
773 * hw tx buffer. These packets must be tx'd before we go off
774 * channel so we must delay more time to let AP flush these
775 * packets before going offchannel, or dis-association or
776 * delete BA will be caused by AP
777 */
778 if (rtlpriv->mac80211.offchan_delay) {
779 rtlpriv->mac80211.offchan_delay = false;
780 mdelay(50);
781 }
782
783 rtlphy->current_channel = wide_chan;
784
785 rtlpriv->cfg->ops->switch_channel(hw);
786 rtlpriv->cfg->ops->set_channel_access(hw);
787 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
788 }
789
790 mutex_unlock(&rtlpriv->locks.conf_mutex);
791
792 return 0;
793 }
794
795 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
796 unsigned int changed_flags,
797 unsigned int *new_flags, u64 multicast)
798 {
799 bool update_rcr = false;
800 struct rtl_priv *rtlpriv = rtl_priv(hw);
801 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
802
803 *new_flags &= RTL_SUPPORTED_FILTERS;
804 if (0 == changed_flags)
805 return;
806
807 /*TODO: we disable broadcase now, so enable here */
808 if (changed_flags & FIF_ALLMULTI) {
809 if (*new_flags & FIF_ALLMULTI) {
810 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
811 rtlpriv->cfg->maps[MAC_RCR_AB];
812 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
813 "Enable receive multicast frame\n");
814 } else {
815 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
816 rtlpriv->cfg->maps[MAC_RCR_AB]);
817 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
818 "Disable receive multicast frame\n");
819 }
820 update_rcr = true;
821 }
822
823 if (changed_flags & FIF_FCSFAIL) {
824 if (*new_flags & FIF_FCSFAIL) {
825 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
826 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
827 "Enable receive FCS error frame\n");
828 } else {
829 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
830 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
831 "Disable receive FCS error frame\n");
832 }
833 if (!update_rcr)
834 update_rcr = true;
835 }
836
837 /* if ssid not set to hw don't check bssid
838 * here just used for linked scanning, & linked
839 * and nolink check bssid is set in set network_type
840 */
841 if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
842 mac->link_state >= MAC80211_LINKED) {
843 if (mac->opmode != NL80211_IFTYPE_AP &&
844 mac->opmode != NL80211_IFTYPE_MESH_POINT) {
845 if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
846 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
847 else
848 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
849 if (update_rcr)
850 update_rcr = false;
851 }
852 }
853
854 if (changed_flags & FIF_CONTROL) {
855 if (*new_flags & FIF_CONTROL) {
856 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
857
858 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
859 "Enable receive control frame.\n");
860 } else {
861 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
862 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
863 "Disable receive control frame.\n");
864 }
865 if (!update_rcr)
866 update_rcr = true;
867 }
868
869 if (changed_flags & FIF_OTHER_BSS) {
870 if (*new_flags & FIF_OTHER_BSS) {
871 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
872 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
873 "Enable receive other BSS's frame.\n");
874 } else {
875 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
876 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
877 "Disable receive other BSS's frame.\n");
878 }
879 if (!update_rcr)
880 update_rcr = true;
881 }
882
883 if (update_rcr)
884 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
885 (u8 *)(&mac->rx_conf));
886 }
887
888 static int rtl_op_sta_add(struct ieee80211_hw *hw,
889 struct ieee80211_vif *vif,
890 struct ieee80211_sta *sta)
891 {
892 struct rtl_priv *rtlpriv = rtl_priv(hw);
893 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
894 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
895 struct rtl_sta_info *sta_entry;
896
897 if (sta) {
898 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
899 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
900 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
901 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
902 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
903 sta_entry->wireless_mode = WIRELESS_MODE_G;
904 if (sta->supp_rates[0] <= 0xf)
905 sta_entry->wireless_mode = WIRELESS_MODE_B;
906 if (sta->ht_cap.ht_supported)
907 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
908
909 if (vif->type == NL80211_IFTYPE_ADHOC)
910 sta_entry->wireless_mode = WIRELESS_MODE_G;
911 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
912 sta_entry->wireless_mode = WIRELESS_MODE_A;
913 if (sta->ht_cap.ht_supported)
914 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
915 if (sta->vht_cap.vht_supported)
916 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
917
918 if (vif->type == NL80211_IFTYPE_ADHOC)
919 sta_entry->wireless_mode = WIRELESS_MODE_A;
920 }
921 /*disable cck rate for p2p*/
922 if (mac->p2p)
923 sta->supp_rates[0] &= 0xfffffff0;
924
925 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
926 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
927 "Add sta addr is %pM\n", sta->addr);
928 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
929 }
930
931 return 0;
932 }
933
934 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
935 struct ieee80211_vif *vif,
936 struct ieee80211_sta *sta)
937 {
938 struct rtl_priv *rtlpriv = rtl_priv(hw);
939 struct rtl_sta_info *sta_entry;
940
941 if (sta) {
942 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
943 "Remove sta addr is %pM\n", sta->addr);
944 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
945 sta_entry->wireless_mode = 0;
946 sta_entry->ratr_index = 0;
947 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
948 list_del(&sta_entry->list);
949 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
950 }
951 return 0;
952 }
953
954 static int _rtl_get_hal_qnum(u16 queue)
955 {
956 int qnum;
957
958 switch (queue) {
959 case 0:
960 qnum = AC3_VO;
961 break;
962 case 1:
963 qnum = AC2_VI;
964 break;
965 case 2:
966 qnum = AC0_BE;
967 break;
968 case 3:
969 qnum = AC1_BK;
970 break;
971 default:
972 qnum = AC0_BE;
973 break;
974 }
975 return qnum;
976 }
977
978 /*
979 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
980 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3
981 */
982 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
983 struct ieee80211_vif *vif, u16 queue,
984 const struct ieee80211_tx_queue_params *param)
985 {
986 struct rtl_priv *rtlpriv = rtl_priv(hw);
987 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
988 int aci;
989
990 if (queue >= AC_MAX) {
991 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
992 "queue number %d is incorrect!\n", queue);
993 return -EINVAL;
994 }
995
996 aci = _rtl_get_hal_qnum(queue);
997 mac->ac[aci].aifs = param->aifs;
998 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
999 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1000 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1001 memcpy(&mac->edca_param[aci], param, sizeof(*param));
1002 rtlpriv->cfg->ops->set_qos(hw, aci);
1003 return 0;
1004 }
1005
1006 static void send_beacon_frame(struct ieee80211_hw *hw,
1007 struct ieee80211_vif *vif)
1008 {
1009 struct rtl_priv *rtlpriv = rtl_priv(hw);
1010 struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1011 struct rtl_tcb_desc tcb_desc;
1012
1013 if (skb) {
1014 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1015 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1016 }
1017 }
1018
1019 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1020 struct ieee80211_vif *vif,
1021 struct ieee80211_bss_conf *bss_conf,
1022 u32 changed)
1023 {
1024 struct rtl_priv *rtlpriv = rtl_priv(hw);
1025 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1026 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1027 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1028
1029 mutex_lock(&rtlpriv->locks.conf_mutex);
1030 if (vif->type == NL80211_IFTYPE_ADHOC ||
1031 vif->type == NL80211_IFTYPE_AP ||
1032 vif->type == NL80211_IFTYPE_MESH_POINT) {
1033 if (changed & BSS_CHANGED_BEACON ||
1034 (changed & BSS_CHANGED_BEACON_ENABLED &&
1035 bss_conf->enable_beacon)) {
1036 if (mac->beacon_enabled == 0) {
1037 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1038 "BSS_CHANGED_BEACON_ENABLED\n");
1039
1040 /*start hw beacon interrupt. */
1041 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1042 mac->beacon_enabled = 1;
1043 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1044 rtlpriv->cfg->maps
1045 [RTL_IBSS_INT_MASKS], 0);
1046
1047 if (rtlpriv->cfg->ops->linked_set_reg)
1048 rtlpriv->cfg->ops->linked_set_reg(hw);
1049 send_beacon_frame(hw, vif);
1050 }
1051 }
1052 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1053 !bss_conf->enable_beacon)) {
1054 if (mac->beacon_enabled == 1) {
1055 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1056 "ADHOC DISABLE BEACON\n");
1057
1058 mac->beacon_enabled = 0;
1059 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1060 rtlpriv->cfg->maps
1061 [RTL_IBSS_INT_MASKS]);
1062 }
1063 }
1064 if (changed & BSS_CHANGED_BEACON_INT) {
1065 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
1066 "BSS_CHANGED_BEACON_INT\n");
1067 mac->beacon_interval = bss_conf->beacon_int;
1068 rtlpriv->cfg->ops->set_bcn_intv(hw);
1069 }
1070 }
1071
1072 /*TODO: reference to enum ieee80211_bss_change */
1073 if (changed & BSS_CHANGED_ASSOC) {
1074 u8 mstatus;
1075
1076 if (bss_conf->assoc) {
1077 struct ieee80211_sta *sta = NULL;
1078 u8 keep_alive = 10;
1079
1080 mstatus = RT_MEDIA_CONNECT;
1081 /* we should reset all sec info & cam
1082 * before set cam after linked, we should not
1083 * reset in disassoc, that will cause tkip->wep
1084 * fail because some flag will be wrong */
1085 /* reset sec info */
1086 rtl_cam_reset_sec_info(hw);
1087 /* reset cam to fix wep fail issue
1088 * when change from wpa to wep */
1089 rtl_cam_reset_all_entry(hw);
1090
1091 mac->link_state = MAC80211_LINKED;
1092 mac->cnt_after_linked = 0;
1093 mac->assoc_id = bss_conf->aid;
1094 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1095
1096 if (rtlpriv->cfg->ops->linked_set_reg)
1097 rtlpriv->cfg->ops->linked_set_reg(hw);
1098
1099 rcu_read_lock();
1100 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1101 if (!sta) {
1102 rcu_read_unlock();
1103 goto out;
1104 }
1105 RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1106 "send PS STATIC frame\n");
1107 if (rtlpriv->dm.supp_phymode_switch) {
1108 if (sta->ht_cap.ht_supported)
1109 rtl_send_smps_action(hw, sta,
1110 IEEE80211_SMPS_STATIC);
1111 }
1112
1113 if (rtlhal->current_bandtype == BAND_ON_5G) {
1114 mac->mode = WIRELESS_MODE_A;
1115 } else {
1116 if (sta->supp_rates[0] <= 0xf)
1117 mac->mode = WIRELESS_MODE_B;
1118 else
1119 mac->mode = WIRELESS_MODE_G;
1120 }
1121
1122 if (sta->ht_cap.ht_supported) {
1123 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1124 mac->mode = WIRELESS_MODE_N_24G;
1125 else
1126 mac->mode = WIRELESS_MODE_N_5G;
1127 }
1128
1129 if (sta->vht_cap.vht_supported) {
1130 if (rtlhal->current_bandtype == BAND_ON_5G)
1131 mac->mode = WIRELESS_MODE_AC_5G;
1132 else
1133 mac->mode = WIRELESS_MODE_AC_24G;
1134 }
1135
1136 if (vif->type == NL80211_IFTYPE_STATION)
1137 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1138 true);
1139 rcu_read_unlock();
1140
1141 /* to avoid AP Disassociation caused by inactivity */
1142 rtlpriv->cfg->ops->set_hw_reg(hw,
1143 HW_VAR_KEEP_ALIVE,
1144 (u8 *)(&keep_alive));
1145
1146 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1147 "BSS_CHANGED_ASSOC\n");
1148 } else {
1149 struct cfg80211_bss *bss = NULL;
1150
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
1159 bss = cfg80211_get_bss(hw->wiphy, NULL,
1160 (u8 *)mac->bssid, NULL, 0,
1161 IEEE80211_BSS_TYPE_ESS,
1162 IEEE80211_PRIVACY_OFF);
1163
1164 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1165 "bssid = %pMF\n", mac->bssid);
1166
1167 if (bss) {
1168 cfg80211_unlink_bss(hw->wiphy, bss);
1169 cfg80211_put_bss(hw->wiphy, bss);
1170 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1171 "cfg80211_unlink !!\n");
1172 }
1173
1174 eth_zero_addr(mac->bssid);
1175 mac->vendor = PEER_UNKNOWN;
1176 mac->mode = 0;
1177
1178 if (rtlpriv->dm.supp_phymode_switch) {
1179 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1180 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1181 }
1182 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1183 "BSS_CHANGED_UN_ASSOC\n");
1184 }
1185 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1186 /* For FW LPS:
1187 * To tell firmware we have connected or disconnected
1188 */
1189 rtlpriv->cfg->ops->set_hw_reg(hw,
1190 HW_VAR_H2C_FW_JOINBSSRPT,
1191 (u8 *)(&mstatus));
1192 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1193 true : false;
1194
1195 if (rtlpriv->cfg->ops->get_btc_status())
1196 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1197 rtlpriv, mstatus);
1198 }
1199
1200 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1201 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1202 "BSS_CHANGED_ERP_CTS_PROT\n");
1203 mac->use_cts_protect = bss_conf->use_cts_prot;
1204 }
1205
1206 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1207 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
1208 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1209 bss_conf->use_short_preamble);
1210
1211 mac->short_preamble = bss_conf->use_short_preamble;
1212 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1213 (u8 *)(&mac->short_preamble));
1214 }
1215
1216 if (changed & BSS_CHANGED_ERP_SLOT) {
1217 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1218 "BSS_CHANGED_ERP_SLOT\n");
1219
1220 if (bss_conf->use_short_slot)
1221 mac->slot_time = RTL_SLOT_TIME_9;
1222 else
1223 mac->slot_time = RTL_SLOT_TIME_20;
1224
1225 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1226 (u8 *)(&mac->slot_time));
1227 }
1228
1229 if (changed & BSS_CHANGED_HT) {
1230 struct ieee80211_sta *sta = NULL;
1231
1232 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1233 "BSS_CHANGED_HT\n");
1234
1235 rcu_read_lock();
1236 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1237 if (sta) {
1238 if (sta->ht_cap.ampdu_density >
1239 mac->current_ampdu_density)
1240 mac->current_ampdu_density =
1241 sta->ht_cap.ampdu_density;
1242 if (sta->ht_cap.ampdu_factor <
1243 mac->current_ampdu_factor)
1244 mac->current_ampdu_factor =
1245 sta->ht_cap.ampdu_factor;
1246 }
1247 rcu_read_unlock();
1248
1249 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1250 (u8 *)(&mac->max_mss_density));
1251 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1252 &mac->current_ampdu_factor);
1253 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1254 &mac->current_ampdu_density);
1255 }
1256
1257 if (changed & BSS_CHANGED_BSSID) {
1258 u32 basic_rates;
1259 struct ieee80211_sta *sta = NULL;
1260
1261 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1262 (u8 *)bss_conf->bssid);
1263
1264 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1265 "bssid: %pM\n", bss_conf->bssid);
1266
1267 mac->vendor = PEER_UNKNOWN;
1268 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1269
1270 rcu_read_lock();
1271 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1272 if (!sta) {
1273 rcu_read_unlock();
1274 goto out;
1275 }
1276
1277 if (rtlhal->current_bandtype == BAND_ON_5G) {
1278 mac->mode = WIRELESS_MODE_A;
1279 } else {
1280 if (sta->supp_rates[0] <= 0xf)
1281 mac->mode = WIRELESS_MODE_B;
1282 else
1283 mac->mode = WIRELESS_MODE_G;
1284 }
1285
1286 if (sta->ht_cap.ht_supported) {
1287 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1288 mac->mode = WIRELESS_MODE_N_24G;
1289 else
1290 mac->mode = WIRELESS_MODE_N_5G;
1291 }
1292
1293 if (sta->vht_cap.vht_supported) {
1294 if (rtlhal->current_bandtype == BAND_ON_5G)
1295 mac->mode = WIRELESS_MODE_AC_5G;
1296 else
1297 mac->mode = WIRELESS_MODE_AC_24G;
1298 }
1299
1300 /* just station need it, because ibss & ap mode will
1301 * set in sta_add, and will be NULL here */
1302 if (vif->type == NL80211_IFTYPE_STATION) {
1303 struct rtl_sta_info *sta_entry;
1304
1305 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1306 sta_entry->wireless_mode = mac->mode;
1307 }
1308
1309 if (sta->ht_cap.ht_supported) {
1310 mac->ht_enable = true;
1311
1312 /*
1313 * for cisco 1252 bw20 it's wrong
1314 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1315 * mac->bw_40 = true;
1316 * }
1317 * */
1318 }
1319
1320 if (sta->vht_cap.vht_supported)
1321 mac->vht_enable = true;
1322
1323 if (changed & BSS_CHANGED_BASIC_RATES) {
1324 /* for 5G must << RATE_6M_INDEX = 4,
1325 * because 5G have no cck rate*/
1326 if (rtlhal->current_bandtype == BAND_ON_5G)
1327 basic_rates = sta->supp_rates[1] << 4;
1328 else
1329 basic_rates = sta->supp_rates[0];
1330
1331 mac->basic_rates = basic_rates;
1332 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1333 (u8 *)(&basic_rates));
1334 }
1335 rcu_read_unlock();
1336 }
1337 out:
1338 mutex_unlock(&rtlpriv->locks.conf_mutex);
1339 }
1340
1341 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1342 {
1343 struct rtl_priv *rtlpriv = rtl_priv(hw);
1344 u64 tsf;
1345
1346 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1347 return tsf;
1348 }
1349
1350 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1351 struct ieee80211_vif *vif, u64 tsf)
1352 {
1353 struct rtl_priv *rtlpriv = rtl_priv(hw);
1354 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1355 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1356
1357 mac->tsf = tsf;
1358 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1359 }
1360
1361 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1362 {
1363 struct rtl_priv *rtlpriv = rtl_priv(hw);
1364 u8 tmp = 0;
1365
1366 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1367 }
1368
1369 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1370 struct ieee80211_vif *vif,
1371 enum sta_notify_cmd cmd,
1372 struct ieee80211_sta *sta)
1373 {
1374 switch (cmd) {
1375 case STA_NOTIFY_SLEEP:
1376 break;
1377 case STA_NOTIFY_AWAKE:
1378 break;
1379 default:
1380 break;
1381 }
1382 }
1383
1384 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1385 struct ieee80211_vif *vif,
1386 struct ieee80211_ampdu_params *params)
1387 {
1388 struct rtl_priv *rtlpriv = rtl_priv(hw);
1389 struct ieee80211_sta *sta = params->sta;
1390 enum ieee80211_ampdu_mlme_action action = params->action;
1391 u16 tid = params->tid;
1392 u16 *ssn = &params->ssn;
1393
1394 switch (action) {
1395 case IEEE80211_AMPDU_TX_START:
1396 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1397 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1398 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1399 case IEEE80211_AMPDU_TX_STOP_CONT:
1400 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1401 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1402 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1403 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1404 return rtl_tx_agg_stop(hw, vif, sta, tid);
1405 case IEEE80211_AMPDU_TX_OPERATIONAL:
1406 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1407 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1408 rtl_tx_agg_oper(hw, sta, tid);
1409 break;
1410 case IEEE80211_AMPDU_RX_START:
1411 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1412 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1413 return rtl_rx_agg_start(hw, sta, tid);
1414 case IEEE80211_AMPDU_RX_STOP:
1415 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1416 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1417 return rtl_rx_agg_stop(hw, sta, tid);
1418 default:
1419 pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1420 return -EOPNOTSUPP;
1421 }
1422 return 0;
1423 }
1424
1425 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1426 struct ieee80211_vif *vif,
1427 const u8 *mac_addr)
1428 {
1429 struct rtl_priv *rtlpriv = rtl_priv(hw);
1430 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1431
1432 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1433 mac->act_scanning = true;
1434 if (rtlpriv->link_info.higher_busytraffic) {
1435 mac->skip_scan = true;
1436 return;
1437 }
1438
1439 if (rtlpriv->cfg->ops->get_btc_status())
1440 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1441 else if (rtlpriv->btcoexist.btc_ops)
1442 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1443 1);
1444
1445 if (rtlpriv->dm.supp_phymode_switch) {
1446 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1447 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1448 }
1449
1450 if (mac->link_state == MAC80211_LINKED) {
1451 rtl_lps_leave(hw);
1452 mac->link_state = MAC80211_LINKED_SCANNING;
1453 } else {
1454 rtl_ips_nic_on(hw);
1455 }
1456
1457 /* Dul mac */
1458 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1459
1460 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1461 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1462 }
1463
1464 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1465 struct ieee80211_vif *vif)
1466 {
1467 struct rtl_priv *rtlpriv = rtl_priv(hw);
1468 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1469
1470 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1471 mac->act_scanning = false;
1472 mac->skip_scan = false;
1473
1474 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1475
1476 if (rtlpriv->link_info.higher_busytraffic)
1477 return;
1478
1479 /* p2p will use 1/6/11 to scan */
1480 if (mac->n_channels == 3)
1481 mac->p2p_in_use = true;
1482 else
1483 mac->p2p_in_use = false;
1484 mac->n_channels = 0;
1485 /* Dul mac */
1486 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1487
1488 if (mac->link_state == MAC80211_LINKED_SCANNING) {
1489 mac->link_state = MAC80211_LINKED;
1490 if (mac->opmode == NL80211_IFTYPE_STATION) {
1491 /* fix fwlps issue */
1492 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1493 }
1494 }
1495
1496 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1497 if (rtlpriv->cfg->ops->get_btc_status())
1498 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1499 else if (rtlpriv->btcoexist.btc_ops)
1500 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1501 0);
1502 }
1503
1504 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1505 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1506 struct ieee80211_key_conf *key)
1507 {
1508 struct rtl_priv *rtlpriv = rtl_priv(hw);
1509 u8 key_type = NO_ENCRYPTION;
1510 u8 key_idx;
1511 bool group_key = false;
1512 bool wep_only = false;
1513 int err = 0;
1514 u8 mac_addr[ETH_ALEN];
1515 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1516
1517 rtlpriv->btcoexist.btc_info.in_4way = false;
1518
1519 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1520 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1521 "not open hw encryption\n");
1522 return -ENOSPC; /*User disabled HW-crypto */
1523 }
1524 /* To support IBSS, use sw-crypto for GTK */
1525 if ((vif->type == NL80211_IFTYPE_ADHOC ||
1526 vif->type == NL80211_IFTYPE_MESH_POINT) &&
1527 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1528 return -ENOSPC;
1529 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1530 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1531 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1532 sta ? sta->addr : bcast_addr);
1533 rtlpriv->sec.being_setkey = true;
1534 rtl_ips_nic_on(hw);
1535 mutex_lock(&rtlpriv->locks.conf_mutex);
1536 /* <1> get encryption alg */
1537
1538 switch (key->cipher) {
1539 case WLAN_CIPHER_SUITE_WEP40:
1540 key_type = WEP40_ENCRYPTION;
1541 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1542 break;
1543 case WLAN_CIPHER_SUITE_WEP104:
1544 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1545 key_type = WEP104_ENCRYPTION;
1546 break;
1547 case WLAN_CIPHER_SUITE_TKIP:
1548 key_type = TKIP_ENCRYPTION;
1549 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1550 break;
1551 case WLAN_CIPHER_SUITE_CCMP:
1552 key_type = AESCCMP_ENCRYPTION;
1553 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1554 break;
1555 case WLAN_CIPHER_SUITE_AES_CMAC:
1556 /* HW don't support CMAC encryption,
1557 * use software CMAC encryption
1558 */
1559 key_type = AESCMAC_ENCRYPTION;
1560 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1561 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1562 "HW don't support CMAC encryption, use software CMAC encryption\n");
1563 err = -EOPNOTSUPP;
1564 goto out_unlock;
1565 default:
1566 pr_err("alg_err:%x!!!!:\n", key->cipher);
1567 goto out_unlock;
1568 }
1569 if (key_type == WEP40_ENCRYPTION ||
1570 key_type == WEP104_ENCRYPTION ||
1571 vif->type == NL80211_IFTYPE_ADHOC)
1572 rtlpriv->sec.use_defaultkey = true;
1573
1574 /* <2> get key_idx */
1575 key_idx = (u8) (key->keyidx);
1576 if (key_idx > 3)
1577 goto out_unlock;
1578 /* <3> if pairwise key enable_hw_sec */
1579 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1580
1581 /* wep always be group key, but there are two conditions:
1582 * 1) wep only: is just for wep enc, in this condition
1583 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1584 * will be true & enable_hw_sec will be set when wep
1585 * ke setting.
1586 * 2) wep(group) + AES(pairwise): some AP like cisco
1587 * may use it, in this condition enable_hw_sec will not
1588 * be set when wep key setting */
1589 /* we must reset sec_info after lingked before set key,
1590 * or some flag will be wrong*/
1591 if (vif->type == NL80211_IFTYPE_AP ||
1592 vif->type == NL80211_IFTYPE_MESH_POINT) {
1593 if (!group_key || key_type == WEP40_ENCRYPTION ||
1594 key_type == WEP104_ENCRYPTION) {
1595 if (group_key)
1596 wep_only = true;
1597 rtlpriv->cfg->ops->enable_hw_sec(hw);
1598 }
1599 } else {
1600 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1601 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1602 if (rtlpriv->sec.pairwise_enc_algorithm ==
1603 NO_ENCRYPTION &&
1604 (key_type == WEP40_ENCRYPTION ||
1605 key_type == WEP104_ENCRYPTION))
1606 wep_only = true;
1607 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1608 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1609 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1610 key_type);
1611 rtlpriv->cfg->ops->enable_hw_sec(hw);
1612 }
1613 }
1614 /* <4> set key based on cmd */
1615 switch (cmd) {
1616 case SET_KEY:
1617 if (wep_only) {
1618 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1619 "set WEP(group/pairwise) key\n");
1620 /* Pairwise key with an assigned MAC address. */
1621 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1622 rtlpriv->sec.group_enc_algorithm = key_type;
1623 /*set local buf about wep key. */
1624 memcpy(rtlpriv->sec.key_buf[key_idx],
1625 key->key, key->keylen);
1626 rtlpriv->sec.key_len[key_idx] = key->keylen;
1627 eth_zero_addr(mac_addr);
1628 } else if (group_key) { /* group key */
1629 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1630 "set group key\n");
1631 /* group key */
1632 rtlpriv->sec.group_enc_algorithm = key_type;
1633 /*set local buf about group key. */
1634 memcpy(rtlpriv->sec.key_buf[key_idx],
1635 key->key, key->keylen);
1636 rtlpriv->sec.key_len[key_idx] = key->keylen;
1637 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1638 } else { /* pairwise key */
1639 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1640 "set pairwise key\n");
1641 if (!sta) {
1642 WARN_ONCE(true,
1643 "rtlwifi: pairwise key without mac_addr\n");
1644
1645 err = -EOPNOTSUPP;
1646 goto out_unlock;
1647 }
1648 /* Pairwise key with an assigned MAC address. */
1649 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1650 /*set local buf about pairwise key. */
1651 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1652 key->key, key->keylen);
1653 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1654 rtlpriv->sec.pairwise_key =
1655 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1656 memcpy(mac_addr, sta->addr, ETH_ALEN);
1657 }
1658 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1659 group_key, key_type, wep_only,
1660 false);
1661 /* <5> tell mac80211 do something: */
1662 /*must use sw generate IV, or can not work !!!!. */
1663 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1664 key->hw_key_idx = key_idx;
1665 if (key_type == TKIP_ENCRYPTION)
1666 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1667 /*use software CCMP encryption for management frames (MFP) */
1668 if (key_type == AESCCMP_ENCRYPTION)
1669 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1670 break;
1671 case DISABLE_KEY:
1672 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1673 "disable key delete one entry\n");
1674 /*set local buf about wep key. */
1675 if (vif->type == NL80211_IFTYPE_AP ||
1676 vif->type == NL80211_IFTYPE_MESH_POINT) {
1677 if (sta)
1678 rtl_cam_del_entry(hw, sta->addr);
1679 }
1680 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1681 rtlpriv->sec.key_len[key_idx] = 0;
1682 eth_zero_addr(mac_addr);
1683 /*
1684 *mac80211 will delete entrys one by one,
1685 *so don't use rtl_cam_reset_all_entry
1686 *or clear all entry here.
1687 */
1688 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1689
1690 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1691 break;
1692 default:
1693 pr_err("cmd_err:%x!!!!:\n", cmd);
1694 }
1695 out_unlock:
1696 mutex_unlock(&rtlpriv->locks.conf_mutex);
1697 rtlpriv->sec.being_setkey = false;
1698 return err;
1699 }
1700
1701 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1702 {
1703 struct rtl_priv *rtlpriv = rtl_priv(hw);
1704
1705 bool radio_state;
1706 bool blocked;
1707 u8 valid = 0;
1708
1709 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1710 return;
1711
1712 mutex_lock(&rtlpriv->locks.conf_mutex);
1713
1714 /*if Radio On return true here */
1715 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1716
1717 if (valid) {
1718 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1719 rtlpriv->rfkill.rfkill_state = radio_state;
1720
1721 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1722 "wireless radio switch turned %s\n",
1723 radio_state ? "on" : "off");
1724
1725 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1726 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1727 }
1728 }
1729
1730 mutex_unlock(&rtlpriv->locks.conf_mutex);
1731 }
1732
1733 /* this function is called by mac80211 to flush tx buffer
1734 * before switch channle or power save, or tx buffer packet
1735 * maybe send after offchannel or rf sleep, this may cause
1736 * dis-association by AP */
1737 static void rtl_op_flush(struct ieee80211_hw *hw,
1738 struct ieee80211_vif *vif,
1739 u32 queues,
1740 bool drop)
1741 {
1742 struct rtl_priv *rtlpriv = rtl_priv(hw);
1743
1744 if (rtlpriv->intf_ops->flush)
1745 rtlpriv->intf_ops->flush(hw, queues, drop);
1746 }
1747
1748 /* Description:
1749 * This routine deals with the Power Configuration CMD
1750 * parsing for RTL8723/RTL8188E Series IC.
1751 * Assumption:
1752 * We should follow specific format that was released from HW SD.
1753 */
1754 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1755 u8 faversion, u8 interface_type,
1756 struct wlan_pwr_cfg pwrcfgcmd[])
1757 {
1758 struct wlan_pwr_cfg cfg_cmd;
1759 bool polling_bit = false;
1760 u32 ary_idx = 0;
1761 u8 value = 0;
1762 u32 offset = 0;
1763 u32 polling_count = 0;
1764 u32 max_polling_cnt = 5000;
1765
1766 do {
1767 cfg_cmd = pwrcfgcmd[ary_idx];
1768 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1769 "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1770 GET_PWR_CFG_OFFSET(cfg_cmd),
1771 GET_PWR_CFG_CUT_MASK(cfg_cmd),
1772 GET_PWR_CFG_FAB_MASK(cfg_cmd),
1773 GET_PWR_CFG_INTF_MASK(cfg_cmd),
1774 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1775 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1776
1777 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1778 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1779 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1780 switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1781 case PWR_CMD_READ:
1782 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1783 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1784 break;
1785 case PWR_CMD_WRITE:
1786 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1787 "%s(): PWR_CMD_WRITE\n", __func__);
1788 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1789
1790 /*Read the value from system register*/
1791 value = rtl_read_byte(rtlpriv, offset);
1792 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1793 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1794 GET_PWR_CFG_MASK(cfg_cmd));
1795
1796 /*Write the value back to sytem register*/
1797 rtl_write_byte(rtlpriv, offset, value);
1798 break;
1799 case PWR_CMD_POLLING:
1800 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1801 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1802 polling_bit = false;
1803 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1804
1805 do {
1806 value = rtl_read_byte(rtlpriv, offset);
1807
1808 value &= GET_PWR_CFG_MASK(cfg_cmd);
1809 if (value ==
1810 (GET_PWR_CFG_VALUE(cfg_cmd) &
1811 GET_PWR_CFG_MASK(cfg_cmd)))
1812 polling_bit = true;
1813 else
1814 udelay(10);
1815
1816 if (polling_count++ > max_polling_cnt)
1817 return false;
1818 } while (!polling_bit);
1819 break;
1820 case PWR_CMD_DELAY:
1821 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1822 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
1823 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1824 PWRSEQ_DELAY_US)
1825 udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1826 else
1827 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1828 break;
1829 case PWR_CMD_END:
1830 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1831 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
1832 return true;
1833 default:
1834 WARN_ONCE(true,
1835 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1836 break;
1837 }
1838 }
1839 ary_idx++;
1840 } while (1);
1841
1842 return true;
1843 }
1844 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1845
1846 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1847 {
1848 struct rtl_priv *rtlpriv = rtl_priv(hw);
1849 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1850 struct rtl8192_tx_ring *ring;
1851 struct rtl_tx_desc *pdesc;
1852 unsigned long flags;
1853 struct sk_buff *pskb = NULL;
1854
1855 ring = &rtlpci->tx_ring[BEACON_QUEUE];
1856
1857 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1858 pskb = __skb_dequeue(&ring->queue);
1859 if (pskb)
1860 dev_kfree_skb_irq(pskb);
1861
1862 /*this is wrong, fill_tx_cmddesc needs update*/
1863 pdesc = &ring->desc[0];
1864
1865 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1866
1867 __skb_queue_tail(&ring->queue, skb);
1868
1869 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1870
1871 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1872
1873 return true;
1874 }
1875 EXPORT_SYMBOL(rtl_cmd_send_packet);
1876 const struct ieee80211_ops rtl_ops = {
1877 .start = rtl_op_start,
1878 .stop = rtl_op_stop,
1879 .tx = rtl_op_tx,
1880 .add_interface = rtl_op_add_interface,
1881 .remove_interface = rtl_op_remove_interface,
1882 .change_interface = rtl_op_change_interface,
1883 #ifdef CONFIG_PM
1884 .suspend = rtl_op_suspend,
1885 .resume = rtl_op_resume,
1886 #endif
1887 .config = rtl_op_config,
1888 .configure_filter = rtl_op_configure_filter,
1889 .set_key = rtl_op_set_key,
1890 .conf_tx = rtl_op_conf_tx,
1891 .bss_info_changed = rtl_op_bss_info_changed,
1892 .get_tsf = rtl_op_get_tsf,
1893 .set_tsf = rtl_op_set_tsf,
1894 .reset_tsf = rtl_op_reset_tsf,
1895 .sta_notify = rtl_op_sta_notify,
1896 .ampdu_action = rtl_op_ampdu_action,
1897 .sw_scan_start = rtl_op_sw_scan_start,
1898 .sw_scan_complete = rtl_op_sw_scan_complete,
1899 .rfkill_poll = rtl_op_rfkill_poll,
1900 .sta_add = rtl_op_sta_add,
1901 .sta_remove = rtl_op_sta_remove,
1902 .flush = rtl_op_flush,
1903 };
1904 EXPORT_SYMBOL_GPL(rtl_ops);
1905
1906 bool rtl_btc_status_false(void)
1907 {
1908 return false;
1909 }
1910 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1911
1912 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1913 {
1914 struct rtl_priv *rtlpriv = rtl_priv(hw);
1915 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1916
1917 dm_digtable->dig_enable_flag = true;
1918 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1919 dm_digtable->cur_igvalue = cur_igvalue;
1920 dm_digtable->pre_igvalue = 0;
1921 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1922 dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1923 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1924 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1925 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1926 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1927 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1928 dm_digtable->rx_gain_max = DM_DIG_MAX;
1929 dm_digtable->rx_gain_min = DM_DIG_MIN;
1930 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1931 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1932 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1933 dm_digtable->pre_cck_cca_thres = 0xff;
1934 dm_digtable->cur_cck_cca_thres = 0x83;
1935 dm_digtable->forbidden_igi = DM_DIG_MIN;
1936 dm_digtable->large_fa_hit = 0;
1937 dm_digtable->recover_cnt = 0;
1938 dm_digtable->dig_min_0 = 0x25;
1939 dm_digtable->dig_min_1 = 0x25;
1940 dm_digtable->media_connect_0 = false;
1941 dm_digtable->media_connect_1 = false;
1942 rtlpriv->dm.dm_initialgain_enable = true;
1943 dm_digtable->bt30_cur_igi = 0x32;
1944 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1945 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1946 dm_digtable->pre_cck_fa_state = 0;
1947 dm_digtable->cur_cck_fa_state = 0;
1948 }
1949 EXPORT_SYMBOL(rtl_dm_diginit);
Linux with added FPC-III support