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