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wireless: Remove casts to same type
[deliverable/linux.git] / drivers / net / wireless / rtlwifi / core.c
CommitLineData
0c817338
LF		 1/******************************************************************************
2 *
a8d76066 3 * Copyright(c) 2009-2012 Realtek Corporation.
0c817338
LF		 4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
25 *
26 * Larry Finger <Larry.Finger@lwfinger.net>
0baa0fd7 27 *
0c817338
LF		 28 *****************************************************************************/
29
30#include "wifi.h"
31#include "core.h"
32#include "cam.h"
33#include "base.h"
b0302aba 34#include "pci.h"
0c817338
LF		 35#include "ps.h"
36
b0302aba
LF		 37#include <linux/export.h>
38
39void rtl_fw_cb(const struct firmware *firmware, void *context)
40{
41 struct ieee80211_hw *hw = context;
42 struct rtl_priv *rtlpriv = rtl_priv(hw);
43 int err;
44
45 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
46 "Firmware callback routine entered!\n");
47 complete(&rtlpriv->firmware_loading_complete);
48 if (!firmware) {
49 pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
50 rtlpriv->max_fw_size = 0;
51 return;
52 }
53 if (firmware->size > rtlpriv->max_fw_size) {
54 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
55 "Firmware is too big!\n");
56 release_firmware(firmware);
57 return;
58 }
59 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size);
60 rtlpriv->rtlhal.fwsize = firmware->size;
61 release_firmware(firmware);
62
63 err = ieee80211_register_hw(hw);
64 if (err) {
65 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
66 "Can't register mac80211 hw\n");
67 return;
68 } else {
69 rtlpriv->mac80211.mac80211_registered = 1;
70 }
71 set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
72
73 /*init rfkill */
74 rtl_init_rfkill(hw);
75}
76EXPORT_SYMBOL(rtl_fw_cb);
77
0c817338
LF		 78/*mutex for start & stop is must here. */
79static int rtl_op_start(struct ieee80211_hw *hw)
80{
32473284 81 int err;
0c817338
LF		 82 struct rtl_priv *rtlpriv = rtl_priv(hw);
83 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
84
85 if (!is_hal_stop(rtlhal))
86 return 0;
87 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
88 return 0;
8a09d6d8 89 mutex_lock(&rtlpriv->locks.conf_mutex);
0c817338 90 err = rtlpriv->intf_ops->adapter_start(hw);
32473284
LF		 91 if (!err)
92 rtl_watch_dog_timer_callback((unsigned long)hw);
8a09d6d8 93 mutex_unlock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 94 return err;
95}
96
97static void rtl_op_stop(struct ieee80211_hw *hw)
98{
99 struct rtl_priv *rtlpriv = rtl_priv(hw);
100 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
101 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
102 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
103
104 if (is_hal_stop(rtlhal))
105 return;
106
107 if (unlikely(ppsc->rfpwr_state == ERFOFF)) {
108 rtl_ips_nic_on(hw);
109 mdelay(1);
110 }
111
8a09d6d8 112 mutex_lock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 113
114 mac->link_state = MAC80211_NOLINK;
115 memset(mac->bssid, 0, 6);
0baa0fd7 116 mac->vendor = PEER_UNKNOWN;
0c817338
LF		 117
118 /*reset sec info */
119 rtl_cam_reset_sec_info(hw);
120
121 rtl_deinit_deferred_work(hw);
122 rtlpriv->intf_ops->adapter_stop(hw);
123
8a09d6d8 124 mutex_unlock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 125}
126
7bb45683 127static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
0c817338
LF		 128{
129 struct rtl_priv *rtlpriv = rtl_priv(hw);
130 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
131 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
0baa0fd7
C		 132 struct rtl_tcb_desc tcb_desc;
133 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
0c817338
LF		 134
135 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
136 goto err_free;
137
138 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
139 goto err_free;
140
0baa0fd7
C		 141 if (!rtlpriv->intf_ops->waitq_insert(hw, skb))
142 rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
0c817338 143
7bb45683 144 return;
0c817338
LF		 145
146err_free:
147 dev_kfree_skb_any(skb);
0c817338
LF		 148}
149
150static int rtl_op_add_interface(struct ieee80211_hw *hw,
151 struct ieee80211_vif *vif)
152{
153 struct rtl_priv *rtlpriv = rtl_priv(hw);
154 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
155 int err = 0;
156
c1288b12
JB		 157 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
158
0c817338
LF		 159 if (mac->vif) {
160 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
f30d7507 161 "vif has been set!! mac->vif = 0x%p\n", mac->vif);
0c817338
LF		 162 return -EOPNOTSUPP;
163 }
164
165 rtl_ips_nic_on(hw);
166
8a09d6d8 167 mutex_lock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 168 switch (vif->type) {
169 case NL80211_IFTYPE_STATION:
170 if (mac->beacon_enabled == 1) {
171 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 172 "NL80211_IFTYPE_STATION\n");
0c817338
LF		 173 mac->beacon_enabled = 0;
174 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
175 rtlpriv->cfg->maps
176 [RTL_IBSS_INT_MASKS]);
177 }
178 break;
179 case NL80211_IFTYPE_ADHOC:
180 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 181 "NL80211_IFTYPE_ADHOC\n");
0c817338
LF		 182
183 mac->link_state = MAC80211_LINKED;
184 rtlpriv->cfg->ops->set_bcn_reg(hw);
0baa0fd7
C		 185 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
186 mac->basic_rates = 0xfff;
187 else
188 mac->basic_rates = 0xff0;
189 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
190 (u8 *) (&mac->basic_rates));
191
0c817338
LF		 192 break;
193 case NL80211_IFTYPE_AP:
194 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 195 "NL80211_IFTYPE_AP\n");
0baa0fd7
C		 196
197 mac->link_state = MAC80211_LINKED;
198 rtlpriv->cfg->ops->set_bcn_reg(hw);
199 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
200 mac->basic_rates = 0xfff;
201 else
202 mac->basic_rates = 0xff0;
203 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
204 (u8 *) (&mac->basic_rates));
0c817338
LF		 205 break;
206 default:
207 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507 208 "operation mode %d is not supported!\n", vif->type);
0c817338
LF		 209 err = -EOPNOTSUPP;
210 goto out;
211 }
212
213 mac->vif = vif;
214 mac->opmode = vif->type;
215 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
216 memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
217 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
218
219out:
8a09d6d8 220 mutex_unlock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 221 return err;
222}
223
224static void rtl_op_remove_interface(struct ieee80211_hw *hw,
225 struct ieee80211_vif *vif)
226{
227 struct rtl_priv *rtlpriv = rtl_priv(hw);
228 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
229
8a09d6d8 230 mutex_lock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 231
232 /* Free beacon resources */
233 if ((mac->opmode == NL80211_IFTYPE_AP) ||
234 (mac->opmode == NL80211_IFTYPE_ADHOC) ||
235 (mac->opmode == NL80211_IFTYPE_MESH_POINT)) {
236 if (mac->beacon_enabled == 1) {
237 mac->beacon_enabled = 0;
238 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
239 rtlpriv->cfg->maps
240 [RTL_IBSS_INT_MASKS]);
241 }
242 }
243
244 /*
245 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
246 *NO LINK for our hardware.
247 */
248 mac->vif = NULL;
249 mac->link_state = MAC80211_NOLINK;
250 memset(mac->bssid, 0, 6);
0baa0fd7 251 mac->vendor = PEER_UNKNOWN;
0c817338
LF		 252 mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
253 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
8a09d6d8 254 mutex_unlock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 255}
256
0c817338
LF		 257static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
258{
259 struct rtl_priv *rtlpriv = rtl_priv(hw);
260 struct rtl_phy *rtlphy = &(rtlpriv->phy);
261 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
262 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
263 struct ieee80211_conf *conf = &hw->conf;
264
8a09d6d8 265 mutex_lock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 266 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /*BIT(2)*/
267 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 268 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
0c817338
LF		 269 }
270
271 /*For IPS */
272 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
273 if (hw->conf.flags & IEEE80211_CONF_IDLE)
274 rtl_ips_nic_off(hw);
275 else
276 rtl_ips_nic_on(hw);
277 } else {
278 /*
279 *although rfoff may not cause by ips, but we will
280 *check the reason in set_rf_power_state function
281 */
282 if (unlikely(ppsc->rfpwr_state == ERFOFF))
283 rtl_ips_nic_on(hw);
284 }
285
286 /*For LPS */
287 if (changed & IEEE80211_CONF_CHANGE_PS) {
0baa0fd7
C		 288 cancel_delayed_work(&rtlpriv->works.ps_work);
289 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
290 if (conf->flags & IEEE80211_CONF_PS) {
291 rtlpriv->psc.sw_ps_enabled = true;
292 /* sleep here is must, or we may recv the beacon and
293 * cause mac80211 into wrong ps state, this will cause
294 * power save nullfunc send fail, and further cause
295 * pkt loss, So sleep must quickly but not immediatly
296 * because that will cause nullfunc send by mac80211
297 * fail, and cause pkt loss, we have tested that 5mA
298 * is worked very well */
3eda95de 299 if (!rtlpriv->psc.multi_buffered)
0baa0fd7
C		 300 queue_delayed_work(rtlpriv->works.rtl_wq,
301 &rtlpriv->works.ps_work,
302 MSECS(5));
303 } else {
304 rtl_swlps_rf_awake(hw);
305 rtlpriv->psc.sw_ps_enabled = false;
306 }
0c817338
LF		 307 }
308
309 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
310 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507
JP		 311 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
312 hw->conf.long_frame_max_tx_count);
0c817338
LF		 313 mac->retry_long = hw->conf.long_frame_max_tx_count;
314 mac->retry_short = hw->conf.long_frame_max_tx_count;
315 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
316 (u8 *) (&hw->conf.
317 long_frame_max_tx_count));
318 }
319
320 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
321 struct ieee80211_channel *channel = hw->conf.channel;
322 u8 wide_chan = (u8) channel->hw_value;
323
324 /*
325 *because we should back channel to
326 *current_network.chan in in scanning,
327 *So if set_chan == current_network.chan
328 *we should set it.
329 *because mac80211 tell us wrong bw40
330 *info for cisco1253 bw20, so we modify
331 *it here based on UPPER & LOWER
332 */
333 switch (hw->conf.channel_type) {
334 case NL80211_CHAN_HT20:
335 case NL80211_CHAN_NO_HT:
336 /* SC */
337 mac->cur_40_prime_sc =
0baa0fd7 338 PRIME_CHNL_OFFSET_DONT_CARE;
0c817338
LF		 339 rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20;
340 mac->bw_40 = false;
341 break;
342 case NL80211_CHAN_HT40MINUS:
343 /* SC */
344 mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER;
345 rtlphy->current_chan_bw =
0baa0fd7 346 HT_CHANNEL_WIDTH_20_40;
0c817338
LF		 347 mac->bw_40 = true;
348
349 /*wide channel */
350 wide_chan -= 2;
351
352 break;
353 case NL80211_CHAN_HT40PLUS:
354 /* SC */
355 mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER;
356 rtlphy->current_chan_bw =
0baa0fd7 357 HT_CHANNEL_WIDTH_20_40;
0c817338
LF		 358 mac->bw_40 = true;
359
360 /*wide channel */
361 wide_chan += 2;
362
363 break;
364 default:
365 mac->bw_40 = false;
366 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507 367 "switch case not processed\n");
0c817338
LF		 368 break;
369 }
370
371 if (wide_chan <= 0)
372 wide_chan = 1;
0baa0fd7
C		 373
374 /* In scanning, before we go offchannel we may send a ps=1 null
375 * to AP, and then we may send a ps = 0 null to AP quickly, but
376 * first null may have caused AP to put lots of packet to hw tx
377 * buffer. These packets must be tx'd before we go off channel
378 * so we must delay more time to let AP flush these packets
379 * before going offchannel, or dis-association or delete BA will
380 * happen by AP
381 */
9c050440
MM		 382 if (rtlpriv->mac80211.offchan_delay) {
383 rtlpriv->mac80211.offchan_delay = false;
0baa0fd7
C		 384 mdelay(50);
385 }
0c817338
LF		 386 rtlphy->current_channel = wide_chan;
387
0c817338 388 rtlpriv->cfg->ops->switch_channel(hw);
0baa0fd7 389 rtlpriv->cfg->ops->set_channel_access(hw);
0c817338
LF		 390 rtlpriv->cfg->ops->set_bw_mode(hw,
391 hw->conf.channel_type);
392 }
393
8a09d6d8 394 mutex_unlock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 395
396 return 0;
397}
398
399static void rtl_op_configure_filter(struct ieee80211_hw *hw,
400 unsigned int changed_flags,
401 unsigned int *new_flags, u64 multicast)
402{
403 struct rtl_priv *rtlpriv = rtl_priv(hw);
404 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
405
406 *new_flags &= RTL_SUPPORTED_FILTERS;
407 if (!changed_flags)
408 return;
409
410 /*TODO: we disable broadcase now, so enable here */
411 if (changed_flags & FIF_ALLMULTI) {
412 if (*new_flags & FIF_ALLMULTI) {
413 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
414 rtlpriv->cfg->maps[MAC_RCR_AB];
415 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 416 "Enable receive multicast frame\n");
0c817338
LF		 417 } else {
418 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
419 rtlpriv->cfg->maps[MAC_RCR_AB]);
420 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 421 "Disable receive multicast frame\n");
0c817338
LF		 422 }
423 }
424
425 if (changed_flags & FIF_FCSFAIL) {
426 if (*new_flags & FIF_FCSFAIL) {
427 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
428 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 429 "Enable receive FCS error frame\n");
0c817338
LF		 430 } else {
431 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
432 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 433 "Disable receive FCS error frame\n");
0c817338
LF		 434 }
435 }
436
0baa0fd7
C		 437 /* if ssid not set to hw don't check bssid
438 * here just used for linked scanning, & linked
439 * and nolink check bssid is set in set network_type */
440 if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
441 (mac->link_state >= MAC80211_LINKED)) {
442 if (mac->opmode != NL80211_IFTYPE_AP) {
443 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) {
444 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
445 } else {
446 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
447 }
448 }
0c817338
LF		 449 }
450
451 if (changed_flags & FIF_CONTROL) {
452 if (*new_flags & FIF_CONTROL) {
453 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
0c817338
LF		 454
455 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 456 "Enable receive control frame\n");
0c817338
LF		 457 } else {
458 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
0c817338 459 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 460 "Disable receive control frame\n");
0c817338
LF		 461 }
462 }
463
464 if (changed_flags & FIF_OTHER_BSS) {
465 if (*new_flags & FIF_OTHER_BSS) {
466 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
467 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 468 "Enable receive other BSS's frame\n");
0c817338
LF		 469 } else {
470 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
471 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507 472 "Disable receive other BSS's frame\n");
0c817338
LF		 473 }
474 }
0c817338 475}
0baa0fd7
C		 476static int rtl_op_sta_add(struct ieee80211_hw *hw,
477 struct ieee80211_vif *vif,
478 struct ieee80211_sta *sta)
479{
480 struct rtl_priv *rtlpriv = rtl_priv(hw);
481 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
482 struct rtl_sta_info *sta_entry;
483
484 if (sta) {
485 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
486 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
487 sta_entry->wireless_mode = WIRELESS_MODE_G;
488 if (sta->supp_rates[0] <= 0xf)
489 sta_entry->wireless_mode = WIRELESS_MODE_B;
e10542c4 490 if (sta->ht_cap.ht_supported)
0baa0fd7
C		 491 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
492 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
493 sta_entry->wireless_mode = WIRELESS_MODE_A;
e10542c4 494 if (sta->ht_cap.ht_supported)
0baa0fd7
C		 495 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
496 }
497
498 /* I found some times mac80211 give wrong supp_rates for adhoc*/
499 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
500 sta_entry->wireless_mode = WIRELESS_MODE_G;
0c817338 501
0baa0fd7 502 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
f30d7507 503 "Add sta addr is %pM\n", sta->addr);
0baa0fd7
C		 504 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
505 }
506 return 0;
507}
508static int rtl_op_sta_remove(struct ieee80211_hw *hw,
509 struct ieee80211_vif *vif,
510 struct ieee80211_sta *sta)
511{
512 struct rtl_priv *rtlpriv = rtl_priv(hw);
513 struct rtl_sta_info *sta_entry;
514 if (sta) {
515 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
f30d7507 516 "Remove sta addr is %pM\n", sta->addr);
0baa0fd7
C		 517 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
518 sta_entry->wireless_mode = 0;
519 sta_entry->ratr_index = 0;
520 }
521 return 0;
522}
0c817338
LF		 523static int _rtl_get_hal_qnum(u16 queue)
524{
525 int qnum;
526
527 switch (queue) {
528 case 0:
529 qnum = AC3_VO;
530 break;
531 case 1:
532 qnum = AC2_VI;
533 break;
534 case 2:
535 qnum = AC0_BE;
536 break;
537 case 3:
538 qnum = AC1_BK;
539 break;
540 default:
541 qnum = AC0_BE;
542 break;
543 }
544 return qnum;
545}
546
547/*
548 *for mac80211 VO=0, VI=1, BE=2, BK=3
549 *for rtl819x BE=0, BK=1, VI=2, VO=3
550 */
8a3a3c85
EP		 551static int rtl_op_conf_tx(struct ieee80211_hw *hw,
552 struct ieee80211_vif *vif, u16 queue,
0c817338
LF		 553 const struct ieee80211_tx_queue_params *param)
554{
555 struct rtl_priv *rtlpriv = rtl_priv(hw);
556 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
557 int aci;
558
559 if (queue >= AC_MAX) {
560 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
f30d7507 561 "queue number %d is incorrect!\n", queue);
0c817338
LF		 562 return -EINVAL;
563 }
564
565 aci = _rtl_get_hal_qnum(queue);
566 mac->ac[aci].aifs = param->aifs;
17c9ac62
LF		 567 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
568 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
569 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
0c817338
LF		 570 memcpy(&mac->edca_param[aci], param, sizeof(*param));
571 rtlpriv->cfg->ops->set_qos(hw, aci);
572 return 0;
573}
574
575static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
576 struct ieee80211_vif *vif,
577 struct ieee80211_bss_conf *bss_conf, u32 changed)
578{
579 struct rtl_priv *rtlpriv = rtl_priv(hw);
0baa0fd7 580 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
0c817338
LF		 581 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
582 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
0baa0fd7 583 struct ieee80211_sta *sta = NULL;
0c817338 584
8a09d6d8 585 mutex_lock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 586 if ((vif->type == NL80211_IFTYPE_ADHOC) ||
587 (vif->type == NL80211_IFTYPE_AP) ||
588 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
0c817338
LF		 589 if ((changed & BSS_CHANGED_BEACON) ||
590 (changed & BSS_CHANGED_BEACON_ENABLED &&
591 bss_conf->enable_beacon)) {
0c817338
LF		 592 if (mac->beacon_enabled == 0) {
593 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
f30d7507 594 "BSS_CHANGED_BEACON_ENABLED\n");
0c817338
LF		 595
596 /*start hw beacon interrupt. */
597 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
598 mac->beacon_enabled = 1;
599 rtlpriv->cfg->ops->update_interrupt_mask(hw,
600 rtlpriv->cfg->maps
601 [RTL_IBSS_INT_MASKS],
602 0);
0baa0fd7
C		 603
604 if (rtlpriv->cfg->ops->linked_set_reg)
605 rtlpriv->cfg->ops->linked_set_reg(hw);
0c817338 606 }
0baa0fd7
C		 607 }
608 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
609 !bss_conf->enable_beacon)) {
0c817338
LF		 610 if (mac->beacon_enabled == 1) {
611 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
f30d7507 612 "ADHOC DISABLE BEACON\n");
0c817338
LF		 613
614 mac->beacon_enabled = 0;
615 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
616 rtlpriv->cfg->maps
617 [RTL_IBSS_INT_MASKS]);
618 }
619 }
0c817338
LF		 620 if (changed & BSS_CHANGED_BEACON_INT) {
621 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
f30d7507 622 "BSS_CHANGED_BEACON_INT\n");
0c817338
LF		 623 mac->beacon_interval = bss_conf->beacon_int;
624 rtlpriv->cfg->ops->set_bcn_intv(hw);
625 }
626 }
627
628 /*TODO: reference to enum ieee80211_bss_change */
629 if (changed & BSS_CHANGED_ASSOC) {
630 if (bss_conf->assoc) {
0baa0fd7
C		 631 /* we should reset all sec info & cam
632 * before set cam after linked, we should not
633 * reset in disassoc, that will cause tkip->wep
634 * fail because some flag will be wrong */
635 /* reset sec info */
636 rtl_cam_reset_sec_info(hw);
637 /* reset cam to fix wep fail issue
638 * when change from wpa to wep */
639 rtl_cam_reset_all_entry(hw);
640
0c817338
LF		 641 mac->link_state = MAC80211_LINKED;
642 mac->cnt_after_linked = 0;
643 mac->assoc_id = bss_conf->aid;
644 memcpy(mac->bssid, bss_conf->bssid, 6);
645
0baa0fd7
C		 646 if (rtlpriv->cfg->ops->linked_set_reg)
647 rtlpriv->cfg->ops->linked_set_reg(hw);
648 if (mac->opmode == NL80211_IFTYPE_STATION && sta)
649 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
0c817338 650 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
f30d7507 651 "BSS_CHANGED_ASSOC\n");
0c817338
LF		 652 } else {
653 if (mac->link_state == MAC80211_LINKED)
654 rtl_lps_leave(hw);
655
656 mac->link_state = MAC80211_NOLINK;
657 memset(mac->bssid, 0, 6);
bac2555c
G		 658
659 /* reset sec info */
660 rtl_cam_reset_sec_info(hw);
661
662 rtl_cam_reset_all_entry(hw);
0baa0fd7 663 mac->vendor = PEER_UNKNOWN;
0c817338
LF		 664
665 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
f30d7507 666 "BSS_CHANGED_UN_ASSOC\n");
0c817338
LF		 667 }
668 }
669
670 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
671 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
f30d7507 672 "BSS_CHANGED_ERP_CTS_PROT\n");
0c817338
LF		 673 mac->use_cts_protect = bss_conf->use_cts_prot;
674 }
675
676 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
677 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
f30d7507
JP		 678 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
679 bss_conf->use_short_preamble);
0c817338
LF		 680
681 mac->short_preamble = bss_conf->use_short_preamble;
682 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
2c208890 683 &mac->short_preamble);
0c817338
LF		 684 }
685
686 if (changed & BSS_CHANGED_ERP_SLOT) {
687 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
f30d7507 688 "BSS_CHANGED_ERP_SLOT\n");
0c817338
LF		 689
690 if (bss_conf->use_short_slot)
691 mac->slot_time = RTL_SLOT_TIME_9;
692 else
693 mac->slot_time = RTL_SLOT_TIME_20;
694
695 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
2c208890 696 &mac->slot_time);
0c817338
LF		 697 }
698
699 if (changed & BSS_CHANGED_HT) {
f30d7507 700 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, "BSS_CHANGED_HT\n");
701c2be0 701 rcu_read_lock();
7101f404 702 sta = get_sta(hw, vif, bss_conf->bssid);
0c817338
LF		 703 if (sta) {
704 if (sta->ht_cap.ampdu_density >
705 mac->current_ampdu_density)
706 mac->current_ampdu_density =
707 sta->ht_cap.ampdu_density;
708 if (sta->ht_cap.ampdu_factor <
709 mac->current_ampdu_factor)
710 mac->current_ampdu_factor =
711 sta->ht_cap.ampdu_factor;
712 }
701c2be0 713 rcu_read_unlock();
0c817338
LF		 714
715 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
2c208890 716 &mac->max_mss_density);
0c817338
LF		 717 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
718 &mac->current_ampdu_factor);
719 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
720 &mac->current_ampdu_density);
721 }
722
723 if (changed & BSS_CHANGED_BSSID) {
0c817338 724 u32 basic_rates;
0c817338
LF		 725
726 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
727 (u8 *) bss_conf->bssid);
728
f30d7507
JP		 729 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, "%pM\n",
730 bss_conf->bssid);
0c817338 731
0baa0fd7 732 mac->vendor = PEER_UNKNOWN;
0c817338 733 memcpy(mac->bssid, bss_conf->bssid, 6);
0baa0fd7 734 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
0c817338 735
701c2be0 736 rcu_read_lock();
7101f404 737 sta = get_sta(hw, vif, bss_conf->bssid);
0baa0fd7
C		 738 if (!sta) {
739 rcu_read_unlock();
740 goto out;
741 }
0c817338 742
0baa0fd7
C		 743 if (rtlhal->current_bandtype == BAND_ON_5G) {
744 mac->mode = WIRELESS_MODE_A;
745 } else {
746 if (sta->supp_rates[0] <= 0xf)
747 mac->mode = WIRELESS_MODE_B;
748 else
749 mac->mode = WIRELESS_MODE_G;
750 }
751
752 if (sta->ht_cap.ht_supported) {
753 if (rtlhal->current_bandtype == BAND_ON_2_4G)
0c817338 754 mac->mode = WIRELESS_MODE_N_24G;
0baa0fd7
C		 755 else
756 mac->mode = WIRELESS_MODE_N_5G;
757 }
0c817338 758
0baa0fd7
C		 759 /* just station need it, because ibss & ap mode will
760 * set in sta_add, and will be NULL here */
761 if (mac->opmode == NL80211_IFTYPE_STATION) {
762 struct rtl_sta_info *sta_entry;
763 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
764 sta_entry->wireless_mode = mac->mode;
765 }
766
767 if (sta->ht_cap.ht_supported) {
768 mac->ht_enable = true;
769
770 /*
771 * for cisco 1252 bw20 it's wrong
772 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
773 * mac->bw_40 = true;
774 * }
775 * */
0c817338
LF		 776 }
777
0c817338 778 if (changed & BSS_CHANGED_BASIC_RATES) {
0baa0fd7
C		 779 /* for 5G must << RATE_6M_INDEX=4,
780 * because 5G have no cck rate*/
781 if (rtlhal->current_bandtype == BAND_ON_5G)
782 basic_rates = sta->supp_rates[1] << 4;
0c817338 783 else
0baa0fd7 784 basic_rates = sta->supp_rates[0];
0c817338
LF		 785
786 mac->basic_rates = basic_rates;
787 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
788 (u8 *) (&basic_rates));
0c817338 789 }
0baa0fd7 790 rcu_read_unlock();
0c817338
LF		 791 }
792
793 /*
794 * For FW LPS:
795 * To tell firmware we have connected
796 * to an AP. For 92SE/CE power save v2.
797 */
798 if (changed & BSS_CHANGED_ASSOC) {
799 if (bss_conf->assoc) {
7ea47240 800 if (ppsc->fwctrl_lps) {
0c817338
LF		 801 u8 mstatus = RT_MEDIA_CONNECT;
802 rtlpriv->cfg->ops->set_hw_reg(hw,
803 HW_VAR_H2C_FW_JOINBSSRPT,
2c208890 804 &mstatus);
0c817338
LF		 805 ppsc->report_linked = true;
806 }
807 } else {
7ea47240 808 if (ppsc->fwctrl_lps) {
0c817338
LF		 809 u8 mstatus = RT_MEDIA_DISCONNECT;
810 rtlpriv->cfg->ops->set_hw_reg(hw,
811 HW_VAR_H2C_FW_JOINBSSRPT,
2c208890 812 &mstatus);
0c817338
LF		 813 ppsc->report_linked = false;
814 }
815 }
816 }
817
818out:
8a09d6d8 819 mutex_unlock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 820}
821
37a41b4a 822static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
0c817338
LF		 823{
824 struct rtl_priv *rtlpriv = rtl_priv(hw);
825 u64 tsf;
826
827 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&tsf));
828 return tsf;
829}
830
37a41b4a
EP		 831static void rtl_op_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
832 u64 tsf)
0c817338
LF		 833{
834 struct rtl_priv *rtlpriv = rtl_priv(hw);
835 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
6eab04a8 836 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
0c817338
LF		 837
838 mac->tsf = tsf;
2c208890 839 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, &bibss);
0c817338
LF		 840}
841
37a41b4a
EP		 842static void rtl_op_reset_tsf(struct ieee80211_hw *hw,
843 struct ieee80211_vif *vif)
0c817338
LF		 844{
845 struct rtl_priv *rtlpriv = rtl_priv(hw);
846 u8 tmp = 0;
847
2c208890 848 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, &tmp);
0c817338
LF		 849}
850
851static void rtl_op_sta_notify(struct ieee80211_hw *hw,
852 struct ieee80211_vif *vif,
853 enum sta_notify_cmd cmd,
854 struct ieee80211_sta *sta)
855{
856 switch (cmd) {
857 case STA_NOTIFY_SLEEP:
858 break;
859 case STA_NOTIFY_AWAKE:
860 break;
861 default:
862 break;
863 }
864}
865
866static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
867 struct ieee80211_vif *vif,
868 enum ieee80211_ampdu_mlme_action action,
0b01f030
JB		 869 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
870 u8 buf_size)
0c817338
LF		 871{
872 struct rtl_priv *rtlpriv = rtl_priv(hw);
873
874 switch (action) {
875 case IEEE80211_AMPDU_TX_START:
876 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
f30d7507 877 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
0baa0fd7 878 return rtl_tx_agg_start(hw, sta, tid, ssn);
0c817338
LF		 879 break;
880 case IEEE80211_AMPDU_TX_STOP:
881 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
f30d7507 882 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
0baa0fd7 883 return rtl_tx_agg_stop(hw, sta, tid);
0c817338
LF		 884 break;
885 case IEEE80211_AMPDU_TX_OPERATIONAL:
886 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
f30d7507 887 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
0baa0fd7 888 rtl_tx_agg_oper(hw, sta, tid);
0c817338
LF		 889 break;
890 case IEEE80211_AMPDU_RX_START:
891 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
f30d7507 892 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
0c817338
LF		 893 break;
894 case IEEE80211_AMPDU_RX_STOP:
895 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
f30d7507 896 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
0c817338
LF		 897 break;
898 default:
899 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507 900 "IEEE80211_AMPDU_ERR!!!!:\n");
0c817338
LF		 901 return -EOPNOTSUPP;
902 }
903 return 0;
904}
905
906static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
907{
908 struct rtl_priv *rtlpriv = rtl_priv(hw);
909 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
910
911 mac->act_scanning = true;
912
f30d7507 913 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
0c817338
LF		 914
915 if (mac->link_state == MAC80211_LINKED) {
916 rtl_lps_leave(hw);
917 mac->link_state = MAC80211_LINKED_SCANNING;
0baa0fd7 918 } else {
0c817338 919 rtl_ips_nic_on(hw);
0baa0fd7
C		 920 }
921
922 /* Dual mac */
923 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
0c817338
LF		 924
925 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
926 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP);
927}
928
929static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
930{
931 struct rtl_priv *rtlpriv = rtl_priv(hw);
932 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
933
f30d7507 934 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
0c817338 935 mac->act_scanning = false;
0baa0fd7
C		 936 /* Dual mac */
937 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
938
0c817338
LF		 939 if (mac->link_state == MAC80211_LINKED_SCANNING) {
940 mac->link_state = MAC80211_LINKED;
0baa0fd7
C		 941 if (mac->opmode == NL80211_IFTYPE_STATION) {
942 /* fix fwlps issue */
943 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
944 }
0c817338
LF		 945 }
946
0baa0fd7 947 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
0c817338
LF		 948}
949
950static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
951 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
952 struct ieee80211_key_conf *key)
953{
954 struct rtl_priv *rtlpriv = rtl_priv(hw);
955 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
956 u8 key_type = NO_ENCRYPTION;
957 u8 key_idx;
958 bool group_key = false;
959 bool wep_only = false;
960 int err = 0;
961 u8 mac_addr[ETH_ALEN];
962 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
963 u8 zero_addr[ETH_ALEN] = { 0 };
964
965 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
966 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
f30d7507 967 "not open hw encryption\n");
0c817338
LF		 968 return -ENOSPC; /*User disabled HW-crypto */
969 }
970 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
f30d7507
JP		 971 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
972 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
973 sta ? sta->addr : bcast_addr);
0c817338
LF		 974 rtlpriv->sec.being_setkey = true;
975 rtl_ips_nic_on(hw);
8a09d6d8 976 mutex_lock(&rtlpriv->locks.conf_mutex);
0c817338 977 /* <1> get encryption alg */
0baa0fd7 978
0c817338
LF		 979 switch (key->cipher) {
980 case WLAN_CIPHER_SUITE_WEP40:
981 key_type = WEP40_ENCRYPTION;
f30d7507 982 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
0c817338
LF		 983 break;
984 case WLAN_CIPHER_SUITE_WEP104:
f30d7507 985 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
0c817338 986 key_type = WEP104_ENCRYPTION;
0c817338
LF		 987 break;
988 case WLAN_CIPHER_SUITE_TKIP:
989 key_type = TKIP_ENCRYPTION;
f30d7507 990 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
0c817338
LF		 991 break;
992 case WLAN_CIPHER_SUITE_CCMP:
993 key_type = AESCCMP_ENCRYPTION;
f30d7507 994 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
0c817338
LF		 995 break;
996 default:
f30d7507
JP		 997 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "alg_err:%x!!!!\n",
998 key->cipher);
0c817338
LF		 999 goto out_unlock;
1000 }
0baa0fd7
C		 1001 if (key_type == WEP40_ENCRYPTION ||
1002 key_type == WEP104_ENCRYPTION ||
1003 mac->opmode == NL80211_IFTYPE_ADHOC)
1004 rtlpriv->sec.use_defaultkey = true;
1005
0c817338
LF		 1006 /* <2> get key_idx */
1007 key_idx = (u8) (key->keyidx);
1008 if (key_idx > 3)
1009 goto out_unlock;
1010 /* <3> if pairwise key enable_hw_sec */
1011 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
0baa0fd7
C		 1012
1013 /* wep always be group key, but there are two conditions:
1014 * 1) wep only: is just for wep enc, in this condition
1015 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1016 * will be true & enable_hw_sec will be set when wep
1017 * ke setting.
1018 * 2) wep(group) + AES(pairwise): some AP like cisco
1019 * may use it, in this condition enable_hw_sec will not
1020 * be set when wep key setting */
1021 /* we must reset sec_info after lingked before set key,
1022 * or some flag will be wrong*/
1023 if (mac->opmode == NL80211_IFTYPE_AP) {
1024 if (!group_key || key_type == WEP40_ENCRYPTION ||
1025 key_type == WEP104_ENCRYPTION) {
1026 if (group_key)
1027 wep_only = true;
1028 rtlpriv->cfg->ops->enable_hw_sec(hw);
1029 }
1030 } else {
1031 if ((!group_key) || (mac->opmode == NL80211_IFTYPE_ADHOC) ||
1032 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1033 if (rtlpriv->sec.pairwise_enc_algorithm ==
1034 NO_ENCRYPTION &&
1035 (key_type == WEP40_ENCRYPTION ||
1036 key_type == WEP104_ENCRYPTION))
1037 wep_only = true;
1038 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1039 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
f30d7507
JP		 1040 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1041 key_type);
0baa0fd7
C		 1042 rtlpriv->cfg->ops->enable_hw_sec(hw);
1043 }
0c817338
LF		 1044 }
1045 /* <4> set key based on cmd */
1046 switch (cmd) {
1047 case SET_KEY:
1048 if (wep_only) {
1049 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
f30d7507 1050 "set WEP(group/pairwise) key\n");
0c817338
LF		 1051 /* Pairwise key with an assigned MAC address. */
1052 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1053 rtlpriv->sec.group_enc_algorithm = key_type;
1054 /*set local buf about wep key. */
1055 memcpy(rtlpriv->sec.key_buf[key_idx],
1056 key->key, key->keylen);
1057 rtlpriv->sec.key_len[key_idx] = key->keylen;
1058 memcpy(mac_addr, zero_addr, ETH_ALEN);
1059 } else if (group_key) { /* group key */
1060 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
f30d7507 1061 "set group key\n");
0c817338
LF		 1062 /* group key */
1063 rtlpriv->sec.group_enc_algorithm = key_type;
1064 /*set local buf about group key. */
1065 memcpy(rtlpriv->sec.key_buf[key_idx],
1066 key->key, key->keylen);
1067 rtlpriv->sec.key_len[key_idx] = key->keylen;
1068 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1069 } else { /* pairwise key */
1070 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
f30d7507 1071 "set pairwise key\n");
0c817338 1072 if (!sta) {
9d833ed7
JP		 1073 RT_ASSERT(false,
1074 "pairwise key without mac_addr\n");
0baa0fd7 1075
0c817338
LF		 1076 err = -EOPNOTSUPP;
1077 goto out_unlock;
1078 }
1079 /* Pairwise key with an assigned MAC address. */
1080 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1081 /*set local buf about pairwise key. */
1082 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1083 key->key, key->keylen);
1084 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1085 rtlpriv->sec.pairwise_key =
1086 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1087 memcpy(mac_addr, sta->addr, ETH_ALEN);
1088 }
1089 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1090 group_key, key_type, wep_only,
1091 false);
1092 /* <5> tell mac80211 do something: */
1093 /*must use sw generate IV, or can not work !!!!. */
1094 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1095 key->hw_key_idx = key_idx;
1096 if (key_type == TKIP_ENCRYPTION)
1097 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1098 break;
1099 case DISABLE_KEY:
1100 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
f30d7507 1101 "disable key delete one entry\n");
0c817338 1102 /*set local buf about wep key. */
0baa0fd7
C		 1103 if (mac->opmode == NL80211_IFTYPE_AP) {
1104 if (sta)
1105 rtl_cam_del_entry(hw, sta->addr);
1106 }
0c817338
LF		 1107 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1108 rtlpriv->sec.key_len[key_idx] = 0;
1109 memcpy(mac_addr, zero_addr, ETH_ALEN);
1110 /*
1111 *mac80211 will delete entrys one by one,
1112 *so don't use rtl_cam_reset_all_entry
1113 *or clear all entry here.
1114 */
1115 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
bac2555c
G		 1116
1117 rtl_cam_reset_sec_info(hw);
1118
0c817338
LF		 1119 break;
1120 default:
1121 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507 1122 "cmd_err:%x!!!!\n", cmd);
0c817338
LF		 1123 }
1124out_unlock:
8a09d6d8 1125 mutex_unlock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 1126 rtlpriv->sec.being_setkey = false;
1127 return err;
1128}
1129
1130static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1131{
1132 struct rtl_priv *rtlpriv = rtl_priv(hw);
1133
1134 bool radio_state;
1135 bool blocked;
1136 u8 valid = 0;
1137
1138 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1139 return;
1140
8a09d6d8 1141 mutex_lock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 1142
1143 /*if Radio On return true here */
1144 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1145
1146 if (valid) {
1147 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1148 rtlpriv->rfkill.rfkill_state = radio_state;
1149
1150 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
f30d7507
JP		 1151 "wireless radio switch turned %s\n",
1152 radio_state ? "on" : "off");
0c817338
LF		 1153
1154 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1155 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1156 }
1157 }
1158
8a09d6d8 1159 mutex_unlock(&rtlpriv->locks.conf_mutex);
0c817338
LF		 1160}
1161
0baa0fd7
C		 1162/* this function is called by mac80211 to flush tx buffer
1163 * before switch channle or power save, or tx buffer packet
1164 * maybe send after offchannel or rf sleep, this may cause
1165 * dis-association by AP */
1166static void rtl_op_flush(struct ieee80211_hw *hw, bool drop)
1167{
1168 struct rtl_priv *rtlpriv = rtl_priv(hw);
1169
1170 if (rtlpriv->intf_ops->flush)
1171 rtlpriv->intf_ops->flush(hw, drop);
1172}
1173
0c817338
LF		 1174const struct ieee80211_ops rtl_ops = {
1175 .start = rtl_op_start,
1176 .stop = rtl_op_stop,
1177 .tx = rtl_op_tx,
1178 .add_interface = rtl_op_add_interface,
1179 .remove_interface = rtl_op_remove_interface,
1180 .config = rtl_op_config,
1181 .configure_filter = rtl_op_configure_filter,
0baa0fd7
C		 1182 .sta_add = rtl_op_sta_add,
1183 .sta_remove = rtl_op_sta_remove,
0c817338
LF		 1184 .set_key = rtl_op_set_key,
1185 .conf_tx = rtl_op_conf_tx,
1186 .bss_info_changed = rtl_op_bss_info_changed,
1187 .get_tsf = rtl_op_get_tsf,
1188 .set_tsf = rtl_op_set_tsf,
1189 .reset_tsf = rtl_op_reset_tsf,
1190 .sta_notify = rtl_op_sta_notify,
1191 .ampdu_action = rtl_op_ampdu_action,
1192 .sw_scan_start = rtl_op_sw_scan_start,
1193 .sw_scan_complete = rtl_op_sw_scan_complete,
1194 .rfkill_poll = rtl_op_rfkill_poll,
0baa0fd7 1195 .flush = rtl_op_flush,
0c817338 1196};
Linux kernel - Deliverables
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