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 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->deflink.supp_rates[0] <= 0xf)
907 sta_entry->wireless_mode = WIRELESS_MODE_B;
908 if (sta->deflink.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->deflink.ht_cap.ht_supported)
916 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
917 if (sta->deflink.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->deflink.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,unsigned int link_id,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,
986 unsigned int link_id, u16 queue,
987 const struct ieee80211_tx_queue_params *param)
988 {
989 struct rtl_priv *rtlpriv = rtl_priv(hw);
990 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
991 int aci;
992
993 if (queue >= AC_MAX) {
994 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
995 "queue number %d is incorrect!\n", queue);
996 return -EINVAL;
997 }
998
999 aci = _rtl_get_hal_qnum(queue);
1000 mac->ac[aci].aifs = param->aifs;
1001 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
1002 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1003 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1004 memcpy(&mac->edca_param[aci], param, sizeof(*param));
1005 rtlpriv->cfg->ops->set_qos(hw, aci);
1006 return 0;
1007 }
1008
send_beacon_frame(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1009 static void send_beacon_frame(struct ieee80211_hw *hw,
1010 struct ieee80211_vif *vif)
1011 {
1012 struct rtl_priv *rtlpriv = rtl_priv(hw);
1013 struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0);
1014 struct rtl_tcb_desc tcb_desc;
1015
1016 if (skb) {
1017 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1018 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1019 }
1020 }
1021
rtl_update_beacon_work_callback(struct work_struct * work)1022 void rtl_update_beacon_work_callback(struct work_struct *work)
1023 {
1024 struct rtl_works *rtlworks =
1025 container_of(work, struct rtl_works, update_beacon_work);
1026 struct ieee80211_hw *hw = rtlworks->hw;
1027 struct rtl_priv *rtlpriv = rtl_priv(hw);
1028 struct ieee80211_vif *vif = rtlpriv->mac80211.vif;
1029
1030 if (!vif) {
1031 WARN_ONCE(true, "no vif to update beacon\n");
1032 return;
1033 }
1034
1035 mutex_lock(&rtlpriv->locks.conf_mutex);
1036 send_beacon_frame(hw, vif);
1037 mutex_unlock(&rtlpriv->locks.conf_mutex);
1038 }
1039 EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback);
1040
rtl_op_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * bss_conf,u64 changed)1041 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1042 struct ieee80211_vif *vif,
1043 struct ieee80211_bss_conf *bss_conf,
1044 u64 changed)
1045 {
1046 struct rtl_priv *rtlpriv = rtl_priv(hw);
1047 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1048 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1049 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1050
1051 mutex_lock(&rtlpriv->locks.conf_mutex);
1052 if (vif->type == NL80211_IFTYPE_ADHOC ||
1053 vif->type == NL80211_IFTYPE_AP ||
1054 vif->type == NL80211_IFTYPE_MESH_POINT) {
1055 if (changed & BSS_CHANGED_BEACON ||
1056 (changed & BSS_CHANGED_BEACON_ENABLED &&
1057 bss_conf->enable_beacon)) {
1058 if (mac->beacon_enabled == 0) {
1059 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1060 "BSS_CHANGED_BEACON_ENABLED\n");
1061
1062 /*start hw beacon interrupt. */
1063 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1064 mac->beacon_enabled = 1;
1065 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1066 rtlpriv->cfg->maps
1067 [RTL_IBSS_INT_MASKS], 0);
1068
1069 if (rtlpriv->cfg->ops->linked_set_reg)
1070 rtlpriv->cfg->ops->linked_set_reg(hw);
1071 send_beacon_frame(hw, vif);
1072 }
1073 }
1074 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1075 !bss_conf->enable_beacon)) {
1076 if (mac->beacon_enabled == 1) {
1077 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1078 "ADHOC DISABLE BEACON\n");
1079
1080 mac->beacon_enabled = 0;
1081 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1082 rtlpriv->cfg->maps
1083 [RTL_IBSS_INT_MASKS]);
1084 }
1085 }
1086 if (changed & BSS_CHANGED_BEACON_INT) {
1087 rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE,
1088 "BSS_CHANGED_BEACON_INT\n");
1089 mac->beacon_interval = bss_conf->beacon_int;
1090 rtlpriv->cfg->ops->set_bcn_intv(hw);
1091 }
1092 }
1093
1094 /*TODO: reference to enum ieee80211_bss_change */
1095 if (changed & BSS_CHANGED_ASSOC) {
1096 u8 mstatus;
1097
1098 if (vif->cfg.assoc) {
1099 struct ieee80211_sta *sta = NULL;
1100 u8 keep_alive = 10;
1101
1102 mstatus = RT_MEDIA_CONNECT;
1103 /* we should reset all sec info & cam
1104 * before set cam after linked, we should not
1105 * reset in disassoc, that will cause tkip->wep
1106 * fail because some flag will be wrong */
1107 /* reset sec info */
1108 rtl_cam_reset_sec_info(hw);
1109 /* reset cam to fix wep fail issue
1110 * when change from wpa to wep */
1111 rtl_cam_reset_all_entry(hw);
1112
1113 mac->link_state = MAC80211_LINKED;
1114 mac->cnt_after_linked = 0;
1115 mac->assoc_id = vif->cfg.aid;
1116 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1117
1118 if (rtlpriv->cfg->ops->linked_set_reg)
1119 rtlpriv->cfg->ops->linked_set_reg(hw);
1120
1121 rcu_read_lock();
1122 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1123 if (!sta) {
1124 rcu_read_unlock();
1125 goto out;
1126 }
1127 rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1128 "send PS STATIC frame\n");
1129 if (rtlpriv->dm.supp_phymode_switch) {
1130 if (sta->deflink.ht_cap.ht_supported)
1131 rtl_send_smps_action(hw, sta,
1132 IEEE80211_SMPS_STATIC);
1133 }
1134
1135 if (rtlhal->current_bandtype == BAND_ON_5G) {
1136 mac->mode = WIRELESS_MODE_A;
1137 } else {
1138 if (sta->deflink.supp_rates[0] <= 0xf)
1139 mac->mode = WIRELESS_MODE_B;
1140 else
1141 mac->mode = WIRELESS_MODE_G;
1142 }
1143
1144 if (sta->deflink.ht_cap.ht_supported) {
1145 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1146 mac->mode = WIRELESS_MODE_N_24G;
1147 else
1148 mac->mode = WIRELESS_MODE_N_5G;
1149 }
1150
1151 if (sta->deflink.vht_cap.vht_supported) {
1152 if (rtlhal->current_bandtype == BAND_ON_5G)
1153 mac->mode = WIRELESS_MODE_AC_5G;
1154 else
1155 mac->mode = WIRELESS_MODE_AC_24G;
1156 }
1157
1158 if (vif->type == NL80211_IFTYPE_STATION)
1159 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1160 true);
1161 rcu_read_unlock();
1162
1163 /* to avoid AP Disassociation caused by inactivity */
1164 rtlpriv->cfg->ops->set_hw_reg(hw,
1165 HW_VAR_KEEP_ALIVE,
1166 (u8 *)(&keep_alive));
1167
1168 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1169 "BSS_CHANGED_ASSOC\n");
1170 } else {
1171 struct cfg80211_bss *bss = NULL;
1172
1173 mstatus = RT_MEDIA_DISCONNECT;
1174
1175 if (mac->link_state == MAC80211_LINKED)
1176 rtl_lps_leave(hw, true);
1177 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1178 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1179 mac->link_state = MAC80211_NOLINK;
1180
1181 bss = cfg80211_get_bss(hw->wiphy, NULL,
1182 (u8 *)mac->bssid, NULL, 0,
1183 IEEE80211_BSS_TYPE_ESS,
1184 IEEE80211_PRIVACY_OFF);
1185
1186 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1187 "bssid = %pMF\n", mac->bssid);
1188
1189 if (bss) {
1190 cfg80211_unlink_bss(hw->wiphy, bss);
1191 cfg80211_put_bss(hw->wiphy, bss);
1192 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1193 "cfg80211_unlink !!\n");
1194 }
1195
1196 eth_zero_addr(mac->bssid);
1197 mac->vendor = PEER_UNKNOWN;
1198 mac->mode = 0;
1199
1200 if (rtlpriv->dm.supp_phymode_switch) {
1201 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1202 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1203 }
1204 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1205 "BSS_CHANGED_UN_ASSOC\n");
1206 }
1207 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1208 /* For FW LPS:
1209 * To tell firmware we have connected or disconnected
1210 */
1211 rtlpriv->cfg->ops->set_hw_reg(hw,
1212 HW_VAR_H2C_FW_JOINBSSRPT,
1213 (u8 *)(&mstatus));
1214 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1215 true : false;
1216
1217 if (rtlpriv->cfg->ops->get_btc_status())
1218 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1219 rtlpriv, mstatus);
1220 }
1221
1222 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1223 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1224 "BSS_CHANGED_ERP_CTS_PROT\n");
1225 mac->use_cts_protect = bss_conf->use_cts_prot;
1226 }
1227
1228 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1229 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
1230 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1231 bss_conf->use_short_preamble);
1232
1233 mac->short_preamble = bss_conf->use_short_preamble;
1234 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1235 (u8 *)(&mac->short_preamble));
1236 }
1237
1238 if (changed & BSS_CHANGED_ERP_SLOT) {
1239 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1240 "BSS_CHANGED_ERP_SLOT\n");
1241
1242 if (bss_conf->use_short_slot)
1243 mac->slot_time = RTL_SLOT_TIME_9;
1244 else
1245 mac->slot_time = RTL_SLOT_TIME_20;
1246
1247 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1248 (u8 *)(&mac->slot_time));
1249 }
1250
1251 if (changed & BSS_CHANGED_HT) {
1252 struct ieee80211_sta *sta = NULL;
1253
1254 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1255 "BSS_CHANGED_HT\n");
1256
1257 rcu_read_lock();
1258 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1259 if (sta) {
1260 if (sta->deflink.ht_cap.ampdu_density >
1261 mac->current_ampdu_density)
1262 mac->current_ampdu_density =
1263 sta->deflink.ht_cap.ampdu_density;
1264 if (sta->deflink.ht_cap.ampdu_factor <
1265 mac->current_ampdu_factor)
1266 mac->current_ampdu_factor =
1267 sta->deflink.ht_cap.ampdu_factor;
1268 }
1269 rcu_read_unlock();
1270
1271 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1272 (u8 *)(&mac->max_mss_density));
1273 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1274 &mac->current_ampdu_factor);
1275 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1276 &mac->current_ampdu_density);
1277 }
1278
1279 if (changed & BSS_CHANGED_BSSID) {
1280 u32 basic_rates;
1281 struct ieee80211_sta *sta = NULL;
1282
1283 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1284 (u8 *)bss_conf->bssid);
1285
1286 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1287 "bssid: %pM\n", bss_conf->bssid);
1288
1289 mac->vendor = PEER_UNKNOWN;
1290 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1291
1292 rcu_read_lock();
1293 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1294 if (!sta) {
1295 rcu_read_unlock();
1296 goto out;
1297 }
1298
1299 if (rtlhal->current_bandtype == BAND_ON_5G) {
1300 mac->mode = WIRELESS_MODE_A;
1301 } else {
1302 if (sta->deflink.supp_rates[0] <= 0xf)
1303 mac->mode = WIRELESS_MODE_B;
1304 else
1305 mac->mode = WIRELESS_MODE_G;
1306 }
1307
1308 if (sta->deflink.ht_cap.ht_supported) {
1309 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1310 mac->mode = WIRELESS_MODE_N_24G;
1311 else
1312 mac->mode = WIRELESS_MODE_N_5G;
1313 }
1314
1315 if (sta->deflink.vht_cap.vht_supported) {
1316 if (rtlhal->current_bandtype == BAND_ON_5G)
1317 mac->mode = WIRELESS_MODE_AC_5G;
1318 else
1319 mac->mode = WIRELESS_MODE_AC_24G;
1320 }
1321
1322 /* just station need it, because ibss & ap mode will
1323 * set in sta_add, and will be NULL here */
1324 if (vif->type == NL80211_IFTYPE_STATION) {
1325 struct rtl_sta_info *sta_entry;
1326
1327 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1328 sta_entry->wireless_mode = mac->mode;
1329 }
1330
1331 if (sta->deflink.ht_cap.ht_supported) {
1332 mac->ht_enable = true;
1333
1334 /*
1335 * for cisco 1252 bw20 it's wrong
1336 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1337 * mac->bw_40 = true;
1338 * }
1339 * */
1340 }
1341
1342 if (sta->deflink.vht_cap.vht_supported)
1343 mac->vht_enable = true;
1344
1345 if (changed & BSS_CHANGED_BASIC_RATES) {
1346 /* for 5G must << RATE_6M_INDEX = 4,
1347 * because 5G have no cck rate*/
1348 if (rtlhal->current_bandtype == BAND_ON_5G)
1349 basic_rates = sta->deflink.supp_rates[1] << 4;
1350 else
1351 basic_rates = sta->deflink.supp_rates[0];
1352
1353 mac->basic_rates = basic_rates;
1354 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1355 (u8 *)(&basic_rates));
1356 }
1357 rcu_read_unlock();
1358 }
1359 out:
1360 mutex_unlock(&rtlpriv->locks.conf_mutex);
1361 }
1362
rtl_op_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1363 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1364 {
1365 struct rtl_priv *rtlpriv = rtl_priv(hw);
1366 u64 tsf;
1367
1368 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1369 return tsf;
1370 }
1371
rtl_op_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 tsf)1372 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1373 struct ieee80211_vif *vif, u64 tsf)
1374 {
1375 struct rtl_priv *rtlpriv = rtl_priv(hw);
1376 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1377 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1378
1379 mac->tsf = tsf;
1380 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1381 }
1382
rtl_op_reset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1383 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1384 {
1385 struct rtl_priv *rtlpriv = rtl_priv(hw);
1386 u8 tmp = 0;
1387
1388 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1389 }
1390
rtl_op_sta_notify(struct ieee80211_hw * hw,struct ieee80211_vif * vif,enum sta_notify_cmd cmd,struct ieee80211_sta * sta)1391 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1392 struct ieee80211_vif *vif,
1393 enum sta_notify_cmd cmd,
1394 struct ieee80211_sta *sta)
1395 {
1396 switch (cmd) {
1397 case STA_NOTIFY_SLEEP:
1398 break;
1399 case STA_NOTIFY_AWAKE:
1400 break;
1401 default:
1402 break;
1403 }
1404 }
1405
rtl_op_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)1406 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1407 struct ieee80211_vif *vif,
1408 struct ieee80211_ampdu_params *params)
1409 {
1410 struct rtl_priv *rtlpriv = rtl_priv(hw);
1411 struct ieee80211_sta *sta = params->sta;
1412 enum ieee80211_ampdu_mlme_action action = params->action;
1413 u16 tid = params->tid;
1414 u16 *ssn = ¶ms->ssn;
1415
1416 switch (action) {
1417 case IEEE80211_AMPDU_TX_START:
1418 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1419 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1420 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1421 case IEEE80211_AMPDU_TX_STOP_CONT:
1422 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1423 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1424 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1425 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1426 return rtl_tx_agg_stop(hw, vif, sta, tid);
1427 case IEEE80211_AMPDU_TX_OPERATIONAL:
1428 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1429 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1430 rtl_tx_agg_oper(hw, sta, tid);
1431 break;
1432 case IEEE80211_AMPDU_RX_START:
1433 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1434 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1435 return rtl_rx_agg_start(hw, sta, tid);
1436 case IEEE80211_AMPDU_RX_STOP:
1437 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1438 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1439 return rtl_rx_agg_stop(hw, sta, tid);
1440 default:
1441 pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1442 return -EOPNOTSUPP;
1443 }
1444 return 0;
1445 }
1446
rtl_op_sw_scan_start(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const u8 * mac_addr)1447 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1448 struct ieee80211_vif *vif,
1449 const u8 *mac_addr)
1450 {
1451 struct rtl_priv *rtlpriv = rtl_priv(hw);
1452 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1453
1454 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1455 mac->act_scanning = true;
1456 if (rtlpriv->link_info.higher_busytraffic) {
1457 mac->skip_scan = true;
1458 return;
1459 }
1460
1461 if (rtlpriv->cfg->ops->get_btc_status())
1462 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1463 else if (rtlpriv->btcoexist.btc_ops)
1464 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1465 1);
1466
1467 if (rtlpriv->dm.supp_phymode_switch) {
1468 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1469 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1470 }
1471
1472 if (mac->link_state == MAC80211_LINKED) {
1473 rtl_lps_leave(hw, true);
1474 mac->link_state = MAC80211_LINKED_SCANNING;
1475 } else {
1476 rtl_ips_nic_on(hw);
1477 }
1478
1479 /* Dul mac */
1480 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1481
1482 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1483 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1484 }
1485
rtl_op_sw_scan_complete(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1486 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1487 struct ieee80211_vif *vif)
1488 {
1489 struct rtl_priv *rtlpriv = rtl_priv(hw);
1490 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1491
1492 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1493 mac->act_scanning = false;
1494 mac->skip_scan = false;
1495
1496 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1497
1498 if (rtlpriv->link_info.higher_busytraffic)
1499 return;
1500
1501 /* p2p will use 1/6/11 to scan */
1502 if (mac->n_channels == 3)
1503 mac->p2p_in_use = true;
1504 else
1505 mac->p2p_in_use = false;
1506 mac->n_channels = 0;
1507 /* Dul mac */
1508 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1509
1510 if (mac->link_state == MAC80211_LINKED_SCANNING) {
1511 mac->link_state = MAC80211_LINKED;
1512 if (mac->opmode == NL80211_IFTYPE_STATION) {
1513 /* fix fwlps issue */
1514 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1515 }
1516 }
1517
1518 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1519 if (rtlpriv->cfg->ops->get_btc_status())
1520 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1521 else if (rtlpriv->btcoexist.btc_ops)
1522 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1523 0);
1524 }
1525
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)1526 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1527 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1528 struct ieee80211_key_conf *key)
1529 {
1530 struct rtl_priv *rtlpriv = rtl_priv(hw);
1531 u8 key_type = NO_ENCRYPTION;
1532 u8 key_idx;
1533 bool group_key = false;
1534 bool wep_only = false;
1535 int err = 0;
1536 u8 mac_addr[ETH_ALEN];
1537 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1538
1539 rtlpriv->btcoexist.btc_info.in_4way = false;
1540
1541 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1542 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
1543 "not open hw encryption\n");
1544 return -ENOSPC; /*User disabled HW-crypto */
1545 }
1546 /* To support IBSS, use sw-crypto for GTK */
1547 if ((vif->type == NL80211_IFTYPE_ADHOC ||
1548 vif->type == NL80211_IFTYPE_MESH_POINT) &&
1549 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1550 return -ENOSPC;
1551 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1552 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1553 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1554 sta ? sta->addr : bcast_addr);
1555 rtlpriv->sec.being_setkey = true;
1556 rtl_ips_nic_on(hw);
1557 mutex_lock(&rtlpriv->locks.conf_mutex);
1558 /* <1> get encryption alg */
1559
1560 switch (key->cipher) {
1561 case WLAN_CIPHER_SUITE_WEP40:
1562 key_type = WEP40_ENCRYPTION;
1563 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1564 break;
1565 case WLAN_CIPHER_SUITE_WEP104:
1566 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1567 key_type = WEP104_ENCRYPTION;
1568 break;
1569 case WLAN_CIPHER_SUITE_TKIP:
1570 key_type = TKIP_ENCRYPTION;
1571 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1572 break;
1573 case WLAN_CIPHER_SUITE_CCMP:
1574 key_type = AESCCMP_ENCRYPTION;
1575 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1576 break;
1577 case WLAN_CIPHER_SUITE_AES_CMAC:
1578 /* HW don't support CMAC encryption,
1579 * use software CMAC encryption
1580 */
1581 key_type = AESCMAC_ENCRYPTION;
1582 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1583 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1584 "HW don't support CMAC encryption, use software CMAC encryption\n");
1585 err = -EOPNOTSUPP;
1586 goto out_unlock;
1587 default:
1588 pr_err("alg_err:%x!!!!:\n", key->cipher);
1589 goto out_unlock;
1590 }
1591 if (key_type == WEP40_ENCRYPTION ||
1592 key_type == WEP104_ENCRYPTION ||
1593 vif->type == NL80211_IFTYPE_ADHOC)
1594 rtlpriv->sec.use_defaultkey = true;
1595
1596 /* <2> get key_idx */
1597 key_idx = (u8) (key->keyidx);
1598 if (key_idx > 3)
1599 goto out_unlock;
1600 /* <3> if pairwise key enable_hw_sec */
1601 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1602
1603 /* wep always be group key, but there are two conditions:
1604 * 1) wep only: is just for wep enc, in this condition
1605 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1606 * will be true & enable_hw_sec will be set when wep
1607 * ke setting.
1608 * 2) wep(group) + AES(pairwise): some AP like cisco
1609 * may use it, in this condition enable_hw_sec will not
1610 * be set when wep key setting */
1611 /* we must reset sec_info after lingked before set key,
1612 * or some flag will be wrong*/
1613 if (vif->type == NL80211_IFTYPE_AP ||
1614 vif->type == NL80211_IFTYPE_MESH_POINT) {
1615 if (!group_key || key_type == WEP40_ENCRYPTION ||
1616 key_type == WEP104_ENCRYPTION) {
1617 if (group_key)
1618 wep_only = true;
1619 rtlpriv->cfg->ops->enable_hw_sec(hw);
1620 }
1621 } else {
1622 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1623 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1624 if (rtlpriv->sec.pairwise_enc_algorithm ==
1625 NO_ENCRYPTION &&
1626 (key_type == WEP40_ENCRYPTION ||
1627 key_type == WEP104_ENCRYPTION))
1628 wep_only = true;
1629 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1630 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1631 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1632 key_type);
1633 rtlpriv->cfg->ops->enable_hw_sec(hw);
1634 }
1635 }
1636 /* <4> set key based on cmd */
1637 switch (cmd) {
1638 case SET_KEY:
1639 if (wep_only) {
1640 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1641 "set WEP(group/pairwise) key\n");
1642 /* Pairwise key with an assigned MAC address. */
1643 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1644 rtlpriv->sec.group_enc_algorithm = key_type;
1645 /*set local buf about wep key. */
1646 memcpy(rtlpriv->sec.key_buf[key_idx],
1647 key->key, key->keylen);
1648 rtlpriv->sec.key_len[key_idx] = key->keylen;
1649 eth_zero_addr(mac_addr);
1650 } else if (group_key) { /* group key */
1651 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1652 "set group key\n");
1653 /* group key */
1654 rtlpriv->sec.group_enc_algorithm = key_type;
1655 /*set local buf about group key. */
1656 memcpy(rtlpriv->sec.key_buf[key_idx],
1657 key->key, key->keylen);
1658 rtlpriv->sec.key_len[key_idx] = key->keylen;
1659 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1660 } else { /* pairwise key */
1661 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1662 "set pairwise key\n");
1663 if (!sta) {
1664 WARN_ONCE(true,
1665 "rtlwifi: pairwise key without mac_addr\n");
1666
1667 err = -EOPNOTSUPP;
1668 goto out_unlock;
1669 }
1670 /* Pairwise key with an assigned MAC address. */
1671 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1672 /*set local buf about pairwise key. */
1673 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1674 key->key, key->keylen);
1675 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1676 rtlpriv->sec.pairwise_key =
1677 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1678 memcpy(mac_addr, sta->addr, ETH_ALEN);
1679 }
1680 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1681 group_key, key_type, wep_only,
1682 false);
1683 /* <5> tell mac80211 do something: */
1684 /*must use sw generate IV, or can not work !!!!. */
1685 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1686 key->hw_key_idx = key_idx;
1687 if (key_type == TKIP_ENCRYPTION)
1688 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1689 /*use software CCMP encryption for management frames (MFP) */
1690 if (key_type == AESCCMP_ENCRYPTION)
1691 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1692 break;
1693 case DISABLE_KEY:
1694 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1695 "disable key delete one entry\n");
1696 /*set local buf about wep key. */
1697 if (vif->type == NL80211_IFTYPE_AP ||
1698 vif->type == NL80211_IFTYPE_MESH_POINT) {
1699 if (sta)
1700 rtl_cam_del_entry(hw, sta->addr);
1701 }
1702 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1703 rtlpriv->sec.key_len[key_idx] = 0;
1704 eth_zero_addr(mac_addr);
1705 /*
1706 *mac80211 will delete entries one by one,
1707 *so don't use rtl_cam_reset_all_entry
1708 *or clear all entry here.
1709 */
1710 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1711
1712 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1713 break;
1714 default:
1715 pr_err("cmd_err:%x!!!!:\n", cmd);
1716 }
1717 out_unlock:
1718 mutex_unlock(&rtlpriv->locks.conf_mutex);
1719 rtlpriv->sec.being_setkey = false;
1720 return err;
1721 }
1722
rtl_op_rfkill_poll(struct ieee80211_hw * hw)1723 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1724 {
1725 struct rtl_priv *rtlpriv = rtl_priv(hw);
1726
1727 bool radio_state;
1728 bool blocked;
1729 u8 valid = 0;
1730
1731 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1732 return;
1733
1734 mutex_lock(&rtlpriv->locks.conf_mutex);
1735
1736 /*if Radio On return true here */
1737 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1738
1739 if (valid) {
1740 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1741 rtlpriv->rfkill.rfkill_state = radio_state;
1742
1743 rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG,
1744 "wireless radio switch turned %s\n",
1745 radio_state ? "on" : "off");
1746
1747 blocked = !rtlpriv->rfkill.rfkill_state;
1748 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1749 }
1750 }
1751
1752 mutex_unlock(&rtlpriv->locks.conf_mutex);
1753 }
1754
1755 /* this function is called by mac80211 to flush tx buffer
1756 * before switch channle or power save, or tx buffer packet
1757 * maybe send after offchannel or rf sleep, this may cause
1758 * dis-association by AP */
rtl_op_flush(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 queues,bool drop)1759 static void rtl_op_flush(struct ieee80211_hw *hw,
1760 struct ieee80211_vif *vif,
1761 u32 queues,
1762 bool drop)
1763 {
1764 struct rtl_priv *rtlpriv = rtl_priv(hw);
1765
1766 if (rtlpriv->intf_ops->flush)
1767 rtlpriv->intf_ops->flush(hw, queues, drop);
1768 }
1769
rtl_op_set_tim(struct ieee80211_hw * hw,struct ieee80211_sta * sta,bool set)1770 static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
1771 bool set)
1772 {
1773 struct rtl_priv *rtlpriv = rtl_priv(hw);
1774 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1775
1776 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU)
1777 schedule_work(&rtlpriv->works.update_beacon_work);
1778
1779 return 0;
1780 }
1781
1782 /* Description:
1783 * This routine deals with the Power Configuration CMD
1784 * parsing for RTL8723/RTL8188E Series IC.
1785 * Assumption:
1786 * We should follow specific format that was released from HW SD.
1787 */
rtl_hal_pwrseqcmdparsing(struct rtl_priv * rtlpriv,u8 cut_version,u8 faversion,u8 interface_type,struct wlan_pwr_cfg pwrcfgcmd[])1788 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1789 u8 faversion, u8 interface_type,
1790 struct wlan_pwr_cfg pwrcfgcmd[])
1791 {
1792 struct wlan_pwr_cfg cfg_cmd;
1793 bool polling_bit = false;
1794 u32 ary_idx = 0;
1795 u8 value = 0;
1796 u32 offset = 0;
1797 u32 polling_count = 0;
1798 u32 max_polling_cnt = 5000;
1799
1800 do {
1801 cfg_cmd = pwrcfgcmd[ary_idx];
1802 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1803 "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1804 __func__,
1805 GET_PWR_CFG_OFFSET(cfg_cmd),
1806 GET_PWR_CFG_CUT_MASK(cfg_cmd),
1807 GET_PWR_CFG_FAB_MASK(cfg_cmd),
1808 GET_PWR_CFG_INTF_MASK(cfg_cmd),
1809 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1810 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1811
1812 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1813 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1814 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1815 switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1816 case PWR_CMD_READ:
1817 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1818 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1819 break;
1820 case PWR_CMD_WRITE:
1821 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1822 "%s(): PWR_CMD_WRITE\n", __func__);
1823 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1824
1825 /*Read the value from system register*/
1826 value = rtl_read_byte(rtlpriv, offset);
1827 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1828 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1829 GET_PWR_CFG_MASK(cfg_cmd));
1830
1831 /*Write the value back to system register*/
1832 rtl_write_byte(rtlpriv, offset, value);
1833 break;
1834 case PWR_CMD_POLLING:
1835 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1836 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1837 polling_bit = false;
1838 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1839
1840 do {
1841 value = rtl_read_byte(rtlpriv, offset);
1842
1843 value &= GET_PWR_CFG_MASK(cfg_cmd);
1844 if (value ==
1845 (GET_PWR_CFG_VALUE(cfg_cmd) &
1846 GET_PWR_CFG_MASK(cfg_cmd)))
1847 polling_bit = true;
1848 else
1849 udelay(10);
1850
1851 if (polling_count++ > max_polling_cnt)
1852 return false;
1853 } while (!polling_bit);
1854 break;
1855 case PWR_CMD_DELAY:
1856 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1857 "%s: PWR_CMD_DELAY\n", __func__);
1858 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1859 PWRSEQ_DELAY_US)
1860 udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1861 else
1862 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1863 break;
1864 case PWR_CMD_END:
1865 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1866 "%s: PWR_CMD_END\n", __func__);
1867 return true;
1868 default:
1869 WARN_ONCE(true,
1870 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1871 break;
1872 }
1873 }
1874 ary_idx++;
1875 } while (1);
1876
1877 return true;
1878 }
1879 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1880
rtl_cmd_send_packet(struct ieee80211_hw * hw,struct sk_buff * skb)1881 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1882 {
1883 struct rtl_priv *rtlpriv = rtl_priv(hw);
1884 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1885 struct rtl8192_tx_ring *ring;
1886 struct rtl_tx_desc *pdesc;
1887 unsigned long flags;
1888 struct sk_buff *pskb = NULL;
1889
1890 ring = &rtlpci->tx_ring[BEACON_QUEUE];
1891
1892 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1893 pskb = __skb_dequeue(&ring->queue);
1894 if (pskb)
1895 dev_kfree_skb_irq(pskb);
1896
1897 /*this is wrong, fill_tx_cmddesc needs update*/
1898 pdesc = &ring->desc[0];
1899
1900 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1901
1902 __skb_queue_tail(&ring->queue, skb);
1903
1904 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1905
1906 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1907
1908 return true;
1909 }
1910 EXPORT_SYMBOL(rtl_cmd_send_packet);
1911 const struct ieee80211_ops rtl_ops = {
1912 .start = rtl_op_start,
1913 .stop = rtl_op_stop,
1914 .tx = rtl_op_tx,
1915 .add_interface = rtl_op_add_interface,
1916 .remove_interface = rtl_op_remove_interface,
1917 .change_interface = rtl_op_change_interface,
1918 #ifdef CONFIG_PM
1919 .suspend = rtl_op_suspend,
1920 .resume = rtl_op_resume,
1921 #endif
1922 .config = rtl_op_config,
1923 .configure_filter = rtl_op_configure_filter,
1924 .set_key = rtl_op_set_key,
1925 .conf_tx = rtl_op_conf_tx,
1926 .bss_info_changed = rtl_op_bss_info_changed,
1927 .get_tsf = rtl_op_get_tsf,
1928 .set_tsf = rtl_op_set_tsf,
1929 .reset_tsf = rtl_op_reset_tsf,
1930 .sta_notify = rtl_op_sta_notify,
1931 .ampdu_action = rtl_op_ampdu_action,
1932 .sw_scan_start = rtl_op_sw_scan_start,
1933 .sw_scan_complete = rtl_op_sw_scan_complete,
1934 .rfkill_poll = rtl_op_rfkill_poll,
1935 .sta_add = rtl_op_sta_add,
1936 .sta_remove = rtl_op_sta_remove,
1937 .flush = rtl_op_flush,
1938 .set_tim = rtl_op_set_tim,
1939 };
1940 EXPORT_SYMBOL_GPL(rtl_ops);
1941
rtl_btc_status_false(void)1942 bool rtl_btc_status_false(void)
1943 {
1944 return false;
1945 }
1946 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1947
rtl_dm_diginit(struct ieee80211_hw * hw,u32 cur_igvalue)1948 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1949 {
1950 struct rtl_priv *rtlpriv = rtl_priv(hw);
1951 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1952
1953 dm_digtable->dig_enable_flag = true;
1954 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1955 dm_digtable->cur_igvalue = cur_igvalue;
1956 dm_digtable->pre_igvalue = 0;
1957 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1958 dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1959 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1960 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1961 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1962 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1963 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1964 dm_digtable->rx_gain_max = DM_DIG_MAX;
1965 dm_digtable->rx_gain_min = DM_DIG_MIN;
1966 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1967 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1968 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1969 dm_digtable->pre_cck_cca_thres = 0xff;
1970 dm_digtable->cur_cck_cca_thres = 0x83;
1971 dm_digtable->forbidden_igi = DM_DIG_MIN;
1972 dm_digtable->large_fa_hit = 0;
1973 dm_digtable->recover_cnt = 0;
1974 dm_digtable->dig_min_0 = 0x25;
1975 dm_digtable->dig_min_1 = 0x25;
1976 dm_digtable->media_connect_0 = false;
1977 dm_digtable->media_connect_1 = false;
1978 rtlpriv->dm.dm_initialgain_enable = true;
1979 dm_digtable->bt30_cur_igi = 0x32;
1980 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1981 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1982 dm_digtable->pre_cck_fa_state = 0;
1983 dm_digtable->cur_cck_fa_state = 0;
1984 }
1985 EXPORT_SYMBOL(rtl_dm_diginit);
1986