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)147 static void rtl_op_stop(struct ieee80211_hw *hw)
148 {
149 struct rtl_priv *rtlpriv = rtl_priv(hw);
150 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
151 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
152 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
153 bool support_remote_wakeup = false;
154
155 if (is_hal_stop(rtlhal))
156 return;
157
158 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
159 (u8 *)(&support_remote_wakeup));
160 /* here is must, because adhoc do stop and start,
161 * but stop with RFOFF may cause something wrong,
162 * like adhoc TP
163 */
164 if (unlikely(ppsc->rfpwr_state == ERFOFF))
165 rtl_ips_nic_on(hw);
166
167 mutex_lock(&rtlpriv->locks.conf_mutex);
168 /* if wowlan supported, DON'T clear connected info */
169 if (!(support_remote_wakeup &&
170 rtlhal->enter_pnp_sleep)) {
171 mac->link_state = MAC80211_NOLINK;
172 eth_zero_addr(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);
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_RETRY_LIMITS) {
637 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
638 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
639 hw->conf.long_frame_max_tx_count);
640 /* brought up everything changes (changed == ~0) indicates first
641 * open, so use our default value instead of that of wiphy.
642 */
643 if (changed != ~0) {
644 mac->retry_long = hw->conf.long_frame_max_tx_count;
645 mac->retry_short = hw->conf.long_frame_max_tx_count;
646 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
647 (u8 *)(&hw->conf.long_frame_max_tx_count));
648 }
649 }
650
651 if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
652 !rtlpriv->proximity.proxim_on) {
653 struct ieee80211_channel *channel = hw->conf.chandef.chan;
654 enum nl80211_chan_width width = hw->conf.chandef.width;
655 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
656 u8 wide_chan = (u8) channel->hw_value;
657
658 /* channel_type is for 20&40M */
659 if (width < NL80211_CHAN_WIDTH_80)
660 channel_type =
661 cfg80211_get_chandef_type(&hw->conf.chandef);
662 if (mac->act_scanning)
663 mac->n_channels++;
664
665 if (rtlpriv->dm.supp_phymode_switch &&
666 mac->link_state < MAC80211_LINKED &&
667 !mac->act_scanning) {
668 if (rtlpriv->cfg->ops->chk_switch_dmdp)
669 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
670 }
671
672 /*
673 *because we should back channel to
674 *current_network.chan in in scanning,
675 *So if set_chan == current_network.chan
676 *we should set it.
677 *because mac80211 tell us wrong bw40
678 *info for cisco1253 bw20, so we modify
679 *it here based on UPPER & LOWER
680 */
681
682 if (width >= NL80211_CHAN_WIDTH_80) {
683 if (width == NL80211_CHAN_WIDTH_80) {
684 u32 center = hw->conf.chandef.center_freq1;
685 u32 primary =
686 (u32)hw->conf.chandef.chan->center_freq;
687
688 rtlphy->current_chan_bw =
689 HT_CHANNEL_WIDTH_80;
690 mac->bw_80 = true;
691 mac->bw_40 = true;
692 if (center > primary) {
693 mac->cur_80_prime_sc =
694 PRIME_CHNL_OFFSET_LOWER;
695 if (center - primary == 10) {
696 mac->cur_40_prime_sc =
697 PRIME_CHNL_OFFSET_UPPER;
698
699 wide_chan += 2;
700 } else if (center - primary == 30) {
701 mac->cur_40_prime_sc =
702 PRIME_CHNL_OFFSET_LOWER;
703
704 wide_chan += 6;
705 }
706 } else {
707 mac->cur_80_prime_sc =
708 PRIME_CHNL_OFFSET_UPPER;
709 if (primary - center == 10) {
710 mac->cur_40_prime_sc =
711 PRIME_CHNL_OFFSET_LOWER;
712
713 wide_chan -= 2;
714 } else if (primary - center == 30) {
715 mac->cur_40_prime_sc =
716 PRIME_CHNL_OFFSET_UPPER;
717
718 wide_chan -= 6;
719 }
720 }
721 }
722 } else {
723 switch (channel_type) {
724 case NL80211_CHAN_HT20:
725 case NL80211_CHAN_NO_HT:
726 /* SC */
727 mac->cur_40_prime_sc =
728 PRIME_CHNL_OFFSET_DONT_CARE;
729 rtlphy->current_chan_bw =
730 HT_CHANNEL_WIDTH_20;
731 mac->bw_40 = false;
732 mac->bw_80 = false;
733 break;
734 case NL80211_CHAN_HT40MINUS:
735 /* SC */
736 mac->cur_40_prime_sc =
737 PRIME_CHNL_OFFSET_UPPER;
738 rtlphy->current_chan_bw =
739 HT_CHANNEL_WIDTH_20_40;
740 mac->bw_40 = true;
741 mac->bw_80 = false;
742
743 /*wide channel */
744 wide_chan -= 2;
745
746 break;
747 case NL80211_CHAN_HT40PLUS:
748 /* SC */
749 mac->cur_40_prime_sc =
750 PRIME_CHNL_OFFSET_LOWER;
751 rtlphy->current_chan_bw =
752 HT_CHANNEL_WIDTH_20_40;
753 mac->bw_40 = true;
754 mac->bw_80 = false;
755
756 /*wide channel */
757 wide_chan += 2;
758
759 break;
760 default:
761 mac->bw_40 = false;
762 mac->bw_80 = false;
763 pr_err("switch case %#x not processed\n",
764 channel_type);
765 break;
766 }
767 }
768
769 if (wide_chan <= 0)
770 wide_chan = 1;
771
772 /* In scanning, when before we offchannel we may send a ps=1
773 * null to AP, and then we may send a ps = 0 null to AP quickly,
774 * but first null may have caused AP to put lots of packet to
775 * hw tx buffer. These packets must be tx'd before we go off
776 * channel so we must delay more time to let AP flush these
777 * packets before going offchannel, or dis-association or
778 * delete BA will be caused by AP
779 */
780 if (rtlpriv->mac80211.offchan_delay) {
781 rtlpriv->mac80211.offchan_delay = false;
782 mdelay(50);
783 }
784
785 rtlphy->current_channel = wide_chan;
786
787 rtlpriv->cfg->ops->switch_channel(hw);
788 rtlpriv->cfg->ops->set_channel_access(hw);
789 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
790 }
791
792 mutex_unlock(&rtlpriv->locks.conf_mutex);
793
794 return 0;
795 }
796
rtl_op_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * new_flags,u64 multicast)797 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
798 unsigned int changed_flags,
799 unsigned int *new_flags, u64 multicast)
800 {
801 bool update_rcr = false;
802 struct rtl_priv *rtlpriv = rtl_priv(hw);
803 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
804
805 *new_flags &= RTL_SUPPORTED_FILTERS;
806 if (0 == changed_flags)
807 return;
808
809 /*TODO: we disable broadcast now, so enable here */
810 if (changed_flags & FIF_ALLMULTI) {
811 if (*new_flags & FIF_ALLMULTI) {
812 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
813 rtlpriv->cfg->maps[MAC_RCR_AB];
814 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
815 "Enable receive multicast frame\n");
816 } else {
817 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
818 rtlpriv->cfg->maps[MAC_RCR_AB]);
819 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
820 "Disable receive multicast frame\n");
821 }
822 update_rcr = true;
823 }
824
825 if (changed_flags & FIF_FCSFAIL) {
826 if (*new_flags & FIF_FCSFAIL) {
827 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
828 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
829 "Enable receive FCS error frame\n");
830 } else {
831 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
832 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
833 "Disable receive FCS error frame\n");
834 }
835 if (!update_rcr)
836 update_rcr = true;
837 }
838
839 /* if ssid not set to hw don't check bssid
840 * here just used for linked scanning, & linked
841 * and nolink check bssid is set in set network_type
842 */
843 if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
844 mac->link_state >= MAC80211_LINKED) {
845 if (mac->opmode != NL80211_IFTYPE_AP &&
846 mac->opmode != NL80211_IFTYPE_MESH_POINT) {
847 if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
848 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
849 else
850 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
851 if (update_rcr)
852 update_rcr = false;
853 }
854 }
855
856 if (changed_flags & FIF_CONTROL) {
857 if (*new_flags & FIF_CONTROL) {
858 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
859
860 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
861 "Enable receive control frame.\n");
862 } else {
863 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
864 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
865 "Disable receive control frame.\n");
866 }
867 if (!update_rcr)
868 update_rcr = true;
869 }
870
871 if (changed_flags & FIF_OTHER_BSS) {
872 if (*new_flags & FIF_OTHER_BSS) {
873 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
874 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
875 "Enable receive other BSS's frame.\n");
876 } else {
877 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
878 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
879 "Disable receive other BSS's frame.\n");
880 }
881 if (!update_rcr)
882 update_rcr = true;
883 }
884
885 if (update_rcr)
886 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
887 (u8 *)(&mac->rx_conf));
888 }
889
rtl_op_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)890 static int rtl_op_sta_add(struct ieee80211_hw *hw,
891 struct ieee80211_vif *vif,
892 struct ieee80211_sta *sta)
893 {
894 struct rtl_priv *rtlpriv = rtl_priv(hw);
895 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
896 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
897 struct rtl_sta_info *sta_entry;
898
899 if (sta) {
900 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
901 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
902 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
903 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
904 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
905 sta_entry->wireless_mode = WIRELESS_MODE_G;
906 if (sta->supp_rates[0] <= 0xf)
907 sta_entry->wireless_mode = WIRELESS_MODE_B;
908 if (sta->ht_cap.ht_supported)
909 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
910
911 if (vif->type == NL80211_IFTYPE_ADHOC)
912 sta_entry->wireless_mode = WIRELESS_MODE_G;
913 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
914 sta_entry->wireless_mode = WIRELESS_MODE_A;
915 if (sta->ht_cap.ht_supported)
916 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
917 if (sta->vht_cap.vht_supported)
918 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
919
920 if (vif->type == NL80211_IFTYPE_ADHOC)
921 sta_entry->wireless_mode = WIRELESS_MODE_A;
922 }
923 /*disable cck rate for p2p*/
924 if (mac->p2p)
925 sta->supp_rates[0] &= 0xfffffff0;
926
927 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
928 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
929 "Add sta addr is %pM\n", sta->addr);
930 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
931 }
932
933 return 0;
934 }
935
rtl_op_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)936 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
937 struct ieee80211_vif *vif,
938 struct ieee80211_sta *sta)
939 {
940 struct rtl_priv *rtlpriv = rtl_priv(hw);
941 struct rtl_sta_info *sta_entry;
942
943 if (sta) {
944 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
945 "Remove sta addr is %pM\n", sta->addr);
946 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
947 sta_entry->wireless_mode = 0;
948 sta_entry->ratr_index = 0;
949 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
950 list_del(&sta_entry->list);
951 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
952 }
953 return 0;
954 }
955
_rtl_get_hal_qnum(u16 queue)956 static int _rtl_get_hal_qnum(u16 queue)
957 {
958 int qnum;
959
960 switch (queue) {
961 case 0:
962 qnum = AC3_VO;
963 break;
964 case 1:
965 qnum = AC2_VI;
966 break;
967 case 2:
968 qnum = AC0_BE;
969 break;
970 case 3:
971 qnum = AC1_BK;
972 break;
973 default:
974 qnum = AC0_BE;
975 break;
976 }
977 return qnum;
978 }
979
980 /*
981 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
982 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3
983 */
rtl_op_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u16 queue,const struct ieee80211_tx_queue_params * param)984 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
985 struct ieee80211_vif *vif, u16 queue,
986 const struct ieee80211_tx_queue_params *param)
987 {
988 struct rtl_priv *rtlpriv = rtl_priv(hw);
989 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
990 int aci;
991
992 if (queue >= AC_MAX) {
993 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
994 "queue number %d is incorrect!\n", queue);
995 return -EINVAL;
996 }
997
998 aci = _rtl_get_hal_qnum(queue);
999 mac->ac[aci].aifs = param->aifs;
1000 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
1001 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1002 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1003 memcpy(&mac->edca_param[aci], param, sizeof(*param));
1004 rtlpriv->cfg->ops->set_qos(hw, aci);
1005 return 0;
1006 }
1007
send_beacon_frame(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1008 static void send_beacon_frame(struct ieee80211_hw *hw,
1009 struct ieee80211_vif *vif)
1010 {
1011 struct rtl_priv *rtlpriv = rtl_priv(hw);
1012 struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1013 struct rtl_tcb_desc tcb_desc;
1014
1015 if (skb) {
1016 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1017 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1018 }
1019 }
1020
rtl_update_beacon_work_callback(struct work_struct * work)1021 void rtl_update_beacon_work_callback(struct work_struct *work)
1022 {
1023 struct rtl_works *rtlworks =
1024 container_of(work, struct rtl_works, update_beacon_work);
1025 struct ieee80211_hw *hw = rtlworks->hw;
1026 struct rtl_priv *rtlpriv = rtl_priv(hw);
1027 struct ieee80211_vif *vif = rtlpriv->mac80211.vif;
1028
1029 if (!vif) {
1030 WARN_ONCE(true, "no vif to update beacon\n");
1031 return;
1032 }
1033
1034 mutex_lock(&rtlpriv->locks.conf_mutex);
1035 send_beacon_frame(hw, vif);
1036 mutex_unlock(&rtlpriv->locks.conf_mutex);
1037 }
1038 EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback);
1039
rtl_op_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * bss_conf,u32 changed)1040 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1041 struct ieee80211_vif *vif,
1042 struct ieee80211_bss_conf *bss_conf,
1043 u32 changed)
1044 {
1045 struct rtl_priv *rtlpriv = rtl_priv(hw);
1046 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1047 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1048 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1049
1050 mutex_lock(&rtlpriv->locks.conf_mutex);
1051 if (vif->type == NL80211_IFTYPE_ADHOC ||
1052 vif->type == NL80211_IFTYPE_AP ||
1053 vif->type == NL80211_IFTYPE_MESH_POINT) {
1054 if (changed & BSS_CHANGED_BEACON ||
1055 (changed & BSS_CHANGED_BEACON_ENABLED &&
1056 bss_conf->enable_beacon)) {
1057 if (mac->beacon_enabled == 0) {
1058 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1059 "BSS_CHANGED_BEACON_ENABLED\n");
1060
1061 /*start hw beacon interrupt. */
1062 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1063 mac->beacon_enabled = 1;
1064 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1065 rtlpriv->cfg->maps
1066 [RTL_IBSS_INT_MASKS], 0);
1067
1068 if (rtlpriv->cfg->ops->linked_set_reg)
1069 rtlpriv->cfg->ops->linked_set_reg(hw);
1070 send_beacon_frame(hw, vif);
1071 }
1072 }
1073 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1074 !bss_conf->enable_beacon)) {
1075 if (mac->beacon_enabled == 1) {
1076 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1077 "ADHOC DISABLE BEACON\n");
1078
1079 mac->beacon_enabled = 0;
1080 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1081 rtlpriv->cfg->maps
1082 [RTL_IBSS_INT_MASKS]);
1083 }
1084 }
1085 if (changed & BSS_CHANGED_BEACON_INT) {
1086 rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE,
1087 "BSS_CHANGED_BEACON_INT\n");
1088 mac->beacon_interval = bss_conf->beacon_int;
1089 rtlpriv->cfg->ops->set_bcn_intv(hw);
1090 }
1091 }
1092
1093 /*TODO: reference to enum ieee80211_bss_change */
1094 if (changed & BSS_CHANGED_ASSOC) {
1095 u8 mstatus;
1096
1097 if (bss_conf->assoc) {
1098 struct ieee80211_sta *sta = NULL;
1099 u8 keep_alive = 10;
1100
1101 mstatus = RT_MEDIA_CONNECT;
1102 /* we should reset all sec info & cam
1103 * before set cam after linked, we should not
1104 * reset in disassoc, that will cause tkip->wep
1105 * fail because some flag will be wrong */
1106 /* reset sec info */
1107 rtl_cam_reset_sec_info(hw);
1108 /* reset cam to fix wep fail issue
1109 * when change from wpa to wep */
1110 rtl_cam_reset_all_entry(hw);
1111
1112 mac->link_state = MAC80211_LINKED;
1113 mac->cnt_after_linked = 0;
1114 mac->assoc_id = bss_conf->aid;
1115 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1116
1117 if (rtlpriv->cfg->ops->linked_set_reg)
1118 rtlpriv->cfg->ops->linked_set_reg(hw);
1119
1120 rcu_read_lock();
1121 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1122 if (!sta) {
1123 rcu_read_unlock();
1124 goto out;
1125 }
1126 rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1127 "send PS STATIC frame\n");
1128 if (rtlpriv->dm.supp_phymode_switch) {
1129 if (sta->ht_cap.ht_supported)
1130 rtl_send_smps_action(hw, sta,
1131 IEEE80211_SMPS_STATIC);
1132 }
1133
1134 if (rtlhal->current_bandtype == BAND_ON_5G) {
1135 mac->mode = WIRELESS_MODE_A;
1136 } else {
1137 if (sta->supp_rates[0] <= 0xf)
1138 mac->mode = WIRELESS_MODE_B;
1139 else
1140 mac->mode = WIRELESS_MODE_G;
1141 }
1142
1143 if (sta->ht_cap.ht_supported) {
1144 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1145 mac->mode = WIRELESS_MODE_N_24G;
1146 else
1147 mac->mode = WIRELESS_MODE_N_5G;
1148 }
1149
1150 if (sta->vht_cap.vht_supported) {
1151 if (rtlhal->current_bandtype == BAND_ON_5G)
1152 mac->mode = WIRELESS_MODE_AC_5G;
1153 else
1154 mac->mode = WIRELESS_MODE_AC_24G;
1155 }
1156
1157 if (vif->type == NL80211_IFTYPE_STATION)
1158 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1159 true);
1160 rcu_read_unlock();
1161
1162 /* to avoid AP Disassociation caused by inactivity */
1163 rtlpriv->cfg->ops->set_hw_reg(hw,
1164 HW_VAR_KEEP_ALIVE,
1165 (u8 *)(&keep_alive));
1166
1167 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1168 "BSS_CHANGED_ASSOC\n");
1169 } else {
1170 struct cfg80211_bss *bss = NULL;
1171
1172 mstatus = RT_MEDIA_DISCONNECT;
1173
1174 if (mac->link_state == MAC80211_LINKED)
1175 rtl_lps_leave(hw, true);
1176 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1177 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1178 mac->link_state = MAC80211_NOLINK;
1179
1180 bss = cfg80211_get_bss(hw->wiphy, NULL,
1181 (u8 *)mac->bssid, NULL, 0,
1182 IEEE80211_BSS_TYPE_ESS,
1183 IEEE80211_PRIVACY_OFF);
1184
1185 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1186 "bssid = %pMF\n", mac->bssid);
1187
1188 if (bss) {
1189 cfg80211_unlink_bss(hw->wiphy, bss);
1190 cfg80211_put_bss(hw->wiphy, bss);
1191 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1192 "cfg80211_unlink !!\n");
1193 }
1194
1195 eth_zero_addr(mac->bssid);
1196 mac->vendor = PEER_UNKNOWN;
1197 mac->mode = 0;
1198
1199 if (rtlpriv->dm.supp_phymode_switch) {
1200 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1201 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1202 }
1203 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1204 "BSS_CHANGED_UN_ASSOC\n");
1205 }
1206 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1207 /* For FW LPS:
1208 * To tell firmware we have connected or disconnected
1209 */
1210 rtlpriv->cfg->ops->set_hw_reg(hw,
1211 HW_VAR_H2C_FW_JOINBSSRPT,
1212 (u8 *)(&mstatus));
1213 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1214 true : false;
1215
1216 if (rtlpriv->cfg->ops->get_btc_status())
1217 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1218 rtlpriv, mstatus);
1219 }
1220
1221 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1222 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1223 "BSS_CHANGED_ERP_CTS_PROT\n");
1224 mac->use_cts_protect = bss_conf->use_cts_prot;
1225 }
1226
1227 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1228 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
1229 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1230 bss_conf->use_short_preamble);
1231
1232 mac->short_preamble = bss_conf->use_short_preamble;
1233 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1234 (u8 *)(&mac->short_preamble));
1235 }
1236
1237 if (changed & BSS_CHANGED_ERP_SLOT) {
1238 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1239 "BSS_CHANGED_ERP_SLOT\n");
1240
1241 if (bss_conf->use_short_slot)
1242 mac->slot_time = RTL_SLOT_TIME_9;
1243 else
1244 mac->slot_time = RTL_SLOT_TIME_20;
1245
1246 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1247 (u8 *)(&mac->slot_time));
1248 }
1249
1250 if (changed & BSS_CHANGED_HT) {
1251 struct ieee80211_sta *sta = NULL;
1252
1253 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1254 "BSS_CHANGED_HT\n");
1255
1256 rcu_read_lock();
1257 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1258 if (sta) {
1259 if (sta->ht_cap.ampdu_density >
1260 mac->current_ampdu_density)
1261 mac->current_ampdu_density =
1262 sta->ht_cap.ampdu_density;
1263 if (sta->ht_cap.ampdu_factor <
1264 mac->current_ampdu_factor)
1265 mac->current_ampdu_factor =
1266 sta->ht_cap.ampdu_factor;
1267 }
1268 rcu_read_unlock();
1269
1270 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1271 (u8 *)(&mac->max_mss_density));
1272 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1273 &mac->current_ampdu_factor);
1274 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1275 &mac->current_ampdu_density);
1276 }
1277
1278 if (changed & BSS_CHANGED_BSSID) {
1279 u32 basic_rates;
1280 struct ieee80211_sta *sta = NULL;
1281
1282 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1283 (u8 *)bss_conf->bssid);
1284
1285 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1286 "bssid: %pM\n", bss_conf->bssid);
1287
1288 mac->vendor = PEER_UNKNOWN;
1289 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1290
1291 rcu_read_lock();
1292 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1293 if (!sta) {
1294 rcu_read_unlock();
1295 goto out;
1296 }
1297
1298 if (rtlhal->current_bandtype == BAND_ON_5G) {
1299 mac->mode = WIRELESS_MODE_A;
1300 } else {
1301 if (sta->supp_rates[0] <= 0xf)
1302 mac->mode = WIRELESS_MODE_B;
1303 else
1304 mac->mode = WIRELESS_MODE_G;
1305 }
1306
1307 if (sta->ht_cap.ht_supported) {
1308 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1309 mac->mode = WIRELESS_MODE_N_24G;
1310 else
1311 mac->mode = WIRELESS_MODE_N_5G;
1312 }
1313
1314 if (sta->vht_cap.vht_supported) {
1315 if (rtlhal->current_bandtype == BAND_ON_5G)
1316 mac->mode = WIRELESS_MODE_AC_5G;
1317 else
1318 mac->mode = WIRELESS_MODE_AC_24G;
1319 }
1320
1321 /* just station need it, because ibss & ap mode will
1322 * set in sta_add, and will be NULL here */
1323 if (vif->type == NL80211_IFTYPE_STATION) {
1324 struct rtl_sta_info *sta_entry;
1325
1326 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1327 sta_entry->wireless_mode = mac->mode;
1328 }
1329
1330 if (sta->ht_cap.ht_supported) {
1331 mac->ht_enable = true;
1332
1333 /*
1334 * for cisco 1252 bw20 it's wrong
1335 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1336 * mac->bw_40 = true;
1337 * }
1338 * */
1339 }
1340
1341 if (sta->vht_cap.vht_supported)
1342 mac->vht_enable = true;
1343
1344 if (changed & BSS_CHANGED_BASIC_RATES) {
1345 /* for 5G must << RATE_6M_INDEX = 4,
1346 * because 5G have no cck rate*/
1347 if (rtlhal->current_bandtype == BAND_ON_5G)
1348 basic_rates = sta->supp_rates[1] << 4;
1349 else
1350 basic_rates = sta->supp_rates[0];
1351
1352 mac->basic_rates = basic_rates;
1353 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1354 (u8 *)(&basic_rates));
1355 }
1356 rcu_read_unlock();
1357 }
1358 out:
1359 mutex_unlock(&rtlpriv->locks.conf_mutex);
1360 }
1361
rtl_op_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1362 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1363 {
1364 struct rtl_priv *rtlpriv = rtl_priv(hw);
1365 u64 tsf;
1366
1367 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1368 return tsf;
1369 }
1370
rtl_op_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 tsf)1371 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1372 struct ieee80211_vif *vif, u64 tsf)
1373 {
1374 struct rtl_priv *rtlpriv = rtl_priv(hw);
1375 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1376 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1377
1378 mac->tsf = tsf;
1379 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1380 }
1381
rtl_op_reset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1382 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1383 {
1384 struct rtl_priv *rtlpriv = rtl_priv(hw);
1385 u8 tmp = 0;
1386
1387 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1388 }
1389
rtl_op_sta_notify(struct ieee80211_hw * hw,struct ieee80211_vif * vif,enum sta_notify_cmd cmd,struct ieee80211_sta * sta)1390 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1391 struct ieee80211_vif *vif,
1392 enum sta_notify_cmd cmd,
1393 struct ieee80211_sta *sta)
1394 {
1395 switch (cmd) {
1396 case STA_NOTIFY_SLEEP:
1397 break;
1398 case STA_NOTIFY_AWAKE:
1399 break;
1400 default:
1401 break;
1402 }
1403 }
1404
rtl_op_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)1405 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1406 struct ieee80211_vif *vif,
1407 struct ieee80211_ampdu_params *params)
1408 {
1409 struct rtl_priv *rtlpriv = rtl_priv(hw);
1410 struct ieee80211_sta *sta = params->sta;
1411 enum ieee80211_ampdu_mlme_action action = params->action;
1412 u16 tid = params->tid;
1413 u16 *ssn = ¶ms->ssn;
1414
1415 switch (action) {
1416 case IEEE80211_AMPDU_TX_START:
1417 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1418 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1419 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1420 case IEEE80211_AMPDU_TX_STOP_CONT:
1421 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1422 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1423 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1424 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1425 return rtl_tx_agg_stop(hw, vif, sta, tid);
1426 case IEEE80211_AMPDU_TX_OPERATIONAL:
1427 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1428 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1429 rtl_tx_agg_oper(hw, sta, tid);
1430 break;
1431 case IEEE80211_AMPDU_RX_START:
1432 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1433 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1434 return rtl_rx_agg_start(hw, sta, tid);
1435 case IEEE80211_AMPDU_RX_STOP:
1436 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1437 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1438 return rtl_rx_agg_stop(hw, sta, tid);
1439 default:
1440 pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1441 return -EOPNOTSUPP;
1442 }
1443 return 0;
1444 }
1445
rtl_op_sw_scan_start(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const u8 * mac_addr)1446 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1447 struct ieee80211_vif *vif,
1448 const u8 *mac_addr)
1449 {
1450 struct rtl_priv *rtlpriv = rtl_priv(hw);
1451 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1452
1453 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1454 mac->act_scanning = true;
1455 if (rtlpriv->link_info.higher_busytraffic) {
1456 mac->skip_scan = true;
1457 return;
1458 }
1459
1460 if (rtlpriv->cfg->ops->get_btc_status())
1461 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1462 else if (rtlpriv->btcoexist.btc_ops)
1463 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1464 1);
1465
1466 if (rtlpriv->dm.supp_phymode_switch) {
1467 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1468 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1469 }
1470
1471 if (mac->link_state == MAC80211_LINKED) {
1472 rtl_lps_leave(hw, true);
1473 mac->link_state = MAC80211_LINKED_SCANNING;
1474 } else {
1475 rtl_ips_nic_on(hw);
1476 }
1477
1478 /* Dul mac */
1479 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1480
1481 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1482 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1483 }
1484
rtl_op_sw_scan_complete(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1485 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1486 struct ieee80211_vif *vif)
1487 {
1488 struct rtl_priv *rtlpriv = rtl_priv(hw);
1489 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1490
1491 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1492 mac->act_scanning = false;
1493 mac->skip_scan = false;
1494
1495 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1496
1497 if (rtlpriv->link_info.higher_busytraffic)
1498 return;
1499
1500 /* p2p will use 1/6/11 to scan */
1501 if (mac->n_channels == 3)
1502 mac->p2p_in_use = true;
1503 else
1504 mac->p2p_in_use = false;
1505 mac->n_channels = 0;
1506 /* Dul mac */
1507 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1508
1509 if (mac->link_state == MAC80211_LINKED_SCANNING) {
1510 mac->link_state = MAC80211_LINKED;
1511 if (mac->opmode == NL80211_IFTYPE_STATION) {
1512 /* fix fwlps issue */
1513 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1514 }
1515 }
1516
1517 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1518 if (rtlpriv->cfg->ops->get_btc_status())
1519 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1520 else if (rtlpriv->btcoexist.btc_ops)
1521 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1522 0);
1523 }
1524
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)1525 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1526 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1527 struct ieee80211_key_conf *key)
1528 {
1529 struct rtl_priv *rtlpriv = rtl_priv(hw);
1530 u8 key_type = NO_ENCRYPTION;
1531 u8 key_idx;
1532 bool group_key = false;
1533 bool wep_only = false;
1534 int err = 0;
1535 u8 mac_addr[ETH_ALEN];
1536 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1537
1538 rtlpriv->btcoexist.btc_info.in_4way = false;
1539
1540 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1541 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
1542 "not open hw encryption\n");
1543 return -ENOSPC; /*User disabled HW-crypto */
1544 }
1545 /* To support IBSS, use sw-crypto for GTK */
1546 if ((vif->type == NL80211_IFTYPE_ADHOC ||
1547 vif->type == NL80211_IFTYPE_MESH_POINT) &&
1548 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1549 return -ENOSPC;
1550 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1551 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1552 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1553 sta ? sta->addr : bcast_addr);
1554 rtlpriv->sec.being_setkey = true;
1555 rtl_ips_nic_on(hw);
1556 mutex_lock(&rtlpriv->locks.conf_mutex);
1557 /* <1> get encryption alg */
1558
1559 switch (key->cipher) {
1560 case WLAN_CIPHER_SUITE_WEP40:
1561 key_type = WEP40_ENCRYPTION;
1562 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1563 break;
1564 case WLAN_CIPHER_SUITE_WEP104:
1565 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1566 key_type = WEP104_ENCRYPTION;
1567 break;
1568 case WLAN_CIPHER_SUITE_TKIP:
1569 key_type = TKIP_ENCRYPTION;
1570 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1571 break;
1572 case WLAN_CIPHER_SUITE_CCMP:
1573 key_type = AESCCMP_ENCRYPTION;
1574 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1575 break;
1576 case WLAN_CIPHER_SUITE_AES_CMAC:
1577 /* HW don't support CMAC encryption,
1578 * use software CMAC encryption
1579 */
1580 key_type = AESCMAC_ENCRYPTION;
1581 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1582 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1583 "HW don't support CMAC encryption, use software CMAC encryption\n");
1584 err = -EOPNOTSUPP;
1585 goto out_unlock;
1586 default:
1587 pr_err("alg_err:%x!!!!:\n", key->cipher);
1588 goto out_unlock;
1589 }
1590 if (key_type == WEP40_ENCRYPTION ||
1591 key_type == WEP104_ENCRYPTION ||
1592 vif->type == NL80211_IFTYPE_ADHOC)
1593 rtlpriv->sec.use_defaultkey = true;
1594
1595 /* <2> get key_idx */
1596 key_idx = (u8) (key->keyidx);
1597 if (key_idx > 3)
1598 goto out_unlock;
1599 /* <3> if pairwise key enable_hw_sec */
1600 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1601
1602 /* wep always be group key, but there are two conditions:
1603 * 1) wep only: is just for wep enc, in this condition
1604 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1605 * will be true & enable_hw_sec will be set when wep
1606 * ke setting.
1607 * 2) wep(group) + AES(pairwise): some AP like cisco
1608 * may use it, in this condition enable_hw_sec will not
1609 * be set when wep key setting */
1610 /* we must reset sec_info after lingked before set key,
1611 * or some flag will be wrong*/
1612 if (vif->type == NL80211_IFTYPE_AP ||
1613 vif->type == NL80211_IFTYPE_MESH_POINT) {
1614 if (!group_key || key_type == WEP40_ENCRYPTION ||
1615 key_type == WEP104_ENCRYPTION) {
1616 if (group_key)
1617 wep_only = true;
1618 rtlpriv->cfg->ops->enable_hw_sec(hw);
1619 }
1620 } else {
1621 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1622 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1623 if (rtlpriv->sec.pairwise_enc_algorithm ==
1624 NO_ENCRYPTION &&
1625 (key_type == WEP40_ENCRYPTION ||
1626 key_type == WEP104_ENCRYPTION))
1627 wep_only = true;
1628 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1629 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1630 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1631 key_type);
1632 rtlpriv->cfg->ops->enable_hw_sec(hw);
1633 }
1634 }
1635 /* <4> set key based on cmd */
1636 switch (cmd) {
1637 case SET_KEY:
1638 if (wep_only) {
1639 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1640 "set WEP(group/pairwise) key\n");
1641 /* Pairwise key with an assigned MAC address. */
1642 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1643 rtlpriv->sec.group_enc_algorithm = key_type;
1644 /*set local buf about wep key. */
1645 memcpy(rtlpriv->sec.key_buf[key_idx],
1646 key->key, key->keylen);
1647 rtlpriv->sec.key_len[key_idx] = key->keylen;
1648 eth_zero_addr(mac_addr);
1649 } else if (group_key) { /* group key */
1650 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1651 "set group key\n");
1652 /* group key */
1653 rtlpriv->sec.group_enc_algorithm = key_type;
1654 /*set local buf about group key. */
1655 memcpy(rtlpriv->sec.key_buf[key_idx],
1656 key->key, key->keylen);
1657 rtlpriv->sec.key_len[key_idx] = key->keylen;
1658 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1659 } else { /* pairwise key */
1660 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1661 "set pairwise key\n");
1662 if (!sta) {
1663 WARN_ONCE(true,
1664 "rtlwifi: pairwise key without mac_addr\n");
1665
1666 err = -EOPNOTSUPP;
1667 goto out_unlock;
1668 }
1669 /* Pairwise key with an assigned MAC address. */
1670 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1671 /*set local buf about pairwise key. */
1672 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1673 key->key, key->keylen);
1674 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1675 rtlpriv->sec.pairwise_key =
1676 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1677 memcpy(mac_addr, sta->addr, ETH_ALEN);
1678 }
1679 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1680 group_key, key_type, wep_only,
1681 false);
1682 /* <5> tell mac80211 do something: */
1683 /*must use sw generate IV, or can not work !!!!. */
1684 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1685 key->hw_key_idx = key_idx;
1686 if (key_type == TKIP_ENCRYPTION)
1687 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1688 /*use software CCMP encryption for management frames (MFP) */
1689 if (key_type == AESCCMP_ENCRYPTION)
1690 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1691 break;
1692 case DISABLE_KEY:
1693 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1694 "disable key delete one entry\n");
1695 /*set local buf about wep key. */
1696 if (vif->type == NL80211_IFTYPE_AP ||
1697 vif->type == NL80211_IFTYPE_MESH_POINT) {
1698 if (sta)
1699 rtl_cam_del_entry(hw, sta->addr);
1700 }
1701 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1702 rtlpriv->sec.key_len[key_idx] = 0;
1703 eth_zero_addr(mac_addr);
1704 /*
1705 *mac80211 will delete entrys one by one,
1706 *so don't use rtl_cam_reset_all_entry
1707 *or clear all entry here.
1708 */
1709 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1710
1711 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1712 break;
1713 default:
1714 pr_err("cmd_err:%x!!!!:\n", cmd);
1715 }
1716 out_unlock:
1717 mutex_unlock(&rtlpriv->locks.conf_mutex);
1718 rtlpriv->sec.being_setkey = false;
1719 return err;
1720 }
1721
rtl_op_rfkill_poll(struct ieee80211_hw * hw)1722 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1723 {
1724 struct rtl_priv *rtlpriv = rtl_priv(hw);
1725
1726 bool radio_state;
1727 bool blocked;
1728 u8 valid = 0;
1729
1730 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1731 return;
1732
1733 mutex_lock(&rtlpriv->locks.conf_mutex);
1734
1735 /*if Radio On return true here */
1736 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1737
1738 if (valid) {
1739 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1740 rtlpriv->rfkill.rfkill_state = radio_state;
1741
1742 rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG,
1743 "wireless radio switch turned %s\n",
1744 radio_state ? "on" : "off");
1745
1746 blocked = !rtlpriv->rfkill.rfkill_state;
1747 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1748 }
1749 }
1750
1751 mutex_unlock(&rtlpriv->locks.conf_mutex);
1752 }
1753
1754 /* this function is called by mac80211 to flush tx buffer
1755 * before switch channle or power save, or tx buffer packet
1756 * maybe send after offchannel or rf sleep, this may cause
1757 * dis-association by AP */
rtl_op_flush(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 queues,bool drop)1758 static void rtl_op_flush(struct ieee80211_hw *hw,
1759 struct ieee80211_vif *vif,
1760 u32 queues,
1761 bool drop)
1762 {
1763 struct rtl_priv *rtlpriv = rtl_priv(hw);
1764
1765 if (rtlpriv->intf_ops->flush)
1766 rtlpriv->intf_ops->flush(hw, queues, drop);
1767 }
1768
rtl_op_set_tim(struct ieee80211_hw * hw,struct ieee80211_sta * sta,bool set)1769 static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
1770 bool set)
1771 {
1772 struct rtl_priv *rtlpriv = rtl_priv(hw);
1773 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1774
1775 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU)
1776 schedule_work(&rtlpriv->works.update_beacon_work);
1777
1778 return 0;
1779 }
1780
1781 /* Description:
1782 * This routine deals with the Power Configuration CMD
1783 * parsing for RTL8723/RTL8188E Series IC.
1784 * Assumption:
1785 * We should follow specific format that was released from HW SD.
1786 */
rtl_hal_pwrseqcmdparsing(struct rtl_priv * rtlpriv,u8 cut_version,u8 faversion,u8 interface_type,struct wlan_pwr_cfg pwrcfgcmd[])1787 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1788 u8 faversion, u8 interface_type,
1789 struct wlan_pwr_cfg pwrcfgcmd[])
1790 {
1791 struct wlan_pwr_cfg cfg_cmd;
1792 bool polling_bit = false;
1793 u32 ary_idx = 0;
1794 u8 value = 0;
1795 u32 offset = 0;
1796 u32 polling_count = 0;
1797 u32 max_polling_cnt = 5000;
1798
1799 do {
1800 cfg_cmd = pwrcfgcmd[ary_idx];
1801 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1802 "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1803 __func__,
1804 GET_PWR_CFG_OFFSET(cfg_cmd),
1805 GET_PWR_CFG_CUT_MASK(cfg_cmd),
1806 GET_PWR_CFG_FAB_MASK(cfg_cmd),
1807 GET_PWR_CFG_INTF_MASK(cfg_cmd),
1808 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1809 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1810
1811 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1812 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1813 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1814 switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1815 case PWR_CMD_READ:
1816 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1817 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1818 break;
1819 case PWR_CMD_WRITE:
1820 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1821 "%s(): PWR_CMD_WRITE\n", __func__);
1822 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1823
1824 /*Read the value from system register*/
1825 value = rtl_read_byte(rtlpriv, offset);
1826 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1827 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1828 GET_PWR_CFG_MASK(cfg_cmd));
1829
1830 /*Write the value back to system register*/
1831 rtl_write_byte(rtlpriv, offset, value);
1832 break;
1833 case PWR_CMD_POLLING:
1834 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1835 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1836 polling_bit = false;
1837 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1838
1839 do {
1840 value = rtl_read_byte(rtlpriv, offset);
1841
1842 value &= GET_PWR_CFG_MASK(cfg_cmd);
1843 if (value ==
1844 (GET_PWR_CFG_VALUE(cfg_cmd) &
1845 GET_PWR_CFG_MASK(cfg_cmd)))
1846 polling_bit = true;
1847 else
1848 udelay(10);
1849
1850 if (polling_count++ > max_polling_cnt)
1851 return false;
1852 } while (!polling_bit);
1853 break;
1854 case PWR_CMD_DELAY:
1855 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1856 "%s: PWR_CMD_DELAY\n", __func__);
1857 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1858 PWRSEQ_DELAY_US)
1859 udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1860 else
1861 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1862 break;
1863 case PWR_CMD_END:
1864 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1865 "%s: PWR_CMD_END\n", __func__);
1866 return true;
1867 default:
1868 WARN_ONCE(true,
1869 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1870 break;
1871 }
1872 }
1873 ary_idx++;
1874 } while (1);
1875
1876 return true;
1877 }
1878 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1879
rtl_cmd_send_packet(struct ieee80211_hw * hw,struct sk_buff * skb)1880 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1881 {
1882 struct rtl_priv *rtlpriv = rtl_priv(hw);
1883 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1884 struct rtl8192_tx_ring *ring;
1885 struct rtl_tx_desc *pdesc;
1886 unsigned long flags;
1887 struct sk_buff *pskb = NULL;
1888
1889 ring = &rtlpci->tx_ring[BEACON_QUEUE];
1890
1891 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1892 pskb = __skb_dequeue(&ring->queue);
1893 if (pskb)
1894 dev_kfree_skb_irq(pskb);
1895
1896 /*this is wrong, fill_tx_cmddesc needs update*/
1897 pdesc = &ring->desc[0];
1898
1899 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1900
1901 __skb_queue_tail(&ring->queue, skb);
1902
1903 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1904
1905 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1906
1907 return true;
1908 }
1909 EXPORT_SYMBOL(rtl_cmd_send_packet);
1910 const struct ieee80211_ops rtl_ops = {
1911 .start = rtl_op_start,
1912 .stop = rtl_op_stop,
1913 .tx = rtl_op_tx,
1914 .add_interface = rtl_op_add_interface,
1915 .remove_interface = rtl_op_remove_interface,
1916 .change_interface = rtl_op_change_interface,
1917 #ifdef CONFIG_PM
1918 .suspend = rtl_op_suspend,
1919 .resume = rtl_op_resume,
1920 #endif
1921 .config = rtl_op_config,
1922 .configure_filter = rtl_op_configure_filter,
1923 .set_key = rtl_op_set_key,
1924 .conf_tx = rtl_op_conf_tx,
1925 .bss_info_changed = rtl_op_bss_info_changed,
1926 .get_tsf = rtl_op_get_tsf,
1927 .set_tsf = rtl_op_set_tsf,
1928 .reset_tsf = rtl_op_reset_tsf,
1929 .sta_notify = rtl_op_sta_notify,
1930 .ampdu_action = rtl_op_ampdu_action,
1931 .sw_scan_start = rtl_op_sw_scan_start,
1932 .sw_scan_complete = rtl_op_sw_scan_complete,
1933 .rfkill_poll = rtl_op_rfkill_poll,
1934 .sta_add = rtl_op_sta_add,
1935 .sta_remove = rtl_op_sta_remove,
1936 .flush = rtl_op_flush,
1937 .set_tim = rtl_op_set_tim,
1938 };
1939 EXPORT_SYMBOL_GPL(rtl_ops);
1940
rtl_btc_status_false(void)1941 bool rtl_btc_status_false(void)
1942 {
1943 return false;
1944 }
1945 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1946
rtl_dm_diginit(struct ieee80211_hw * hw,u32 cur_igvalue)1947 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1948 {
1949 struct rtl_priv *rtlpriv = rtl_priv(hw);
1950 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1951
1952 dm_digtable->dig_enable_flag = true;
1953 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1954 dm_digtable->cur_igvalue = cur_igvalue;
1955 dm_digtable->pre_igvalue = 0;
1956 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1957 dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1958 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1959 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1960 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1961 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1962 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1963 dm_digtable->rx_gain_max = DM_DIG_MAX;
1964 dm_digtable->rx_gain_min = DM_DIG_MIN;
1965 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1966 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1967 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1968 dm_digtable->pre_cck_cca_thres = 0xff;
1969 dm_digtable->cur_cck_cca_thres = 0x83;
1970 dm_digtable->forbidden_igi = DM_DIG_MIN;
1971 dm_digtable->large_fa_hit = 0;
1972 dm_digtable->recover_cnt = 0;
1973 dm_digtable->dig_min_0 = 0x25;
1974 dm_digtable->dig_min_1 = 0x25;
1975 dm_digtable->media_connect_0 = false;
1976 dm_digtable->media_connect_1 = false;
1977 rtlpriv->dm.dm_initialgain_enable = true;
1978 dm_digtable->bt30_cur_igi = 0x32;
1979 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1980 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1981 dm_digtable->pre_cck_fa_state = 0;
1982 dm_digtable->cur_cck_fa_state = 0;
1983 }
1984 EXPORT_SYMBOL(rtl_dm_diginit);
1985