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