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0c817338 LF |
1 | /****************************************************************************** |
2 | * | |
3 | * Copyright(c) 2009-2010 Realtek Corporation. | |
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" | |
34 | #include "ps.h" | |
35 | ||
36 | /*mutex for start & stop is must here. */ | |
37 | static int rtl_op_start(struct ieee80211_hw *hw) | |
38 | { | |
32473284 | 39 | int err; |
0c817338 LF |
40 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
41 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
42 | ||
43 | if (!is_hal_stop(rtlhal)) | |
44 | return 0; | |
45 | if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) | |
46 | return 0; | |
8a09d6d8 | 47 | mutex_lock(&rtlpriv->locks.conf_mutex); |
0c817338 | 48 | err = rtlpriv->intf_ops->adapter_start(hw); |
32473284 LF |
49 | if (!err) |
50 | rtl_watch_dog_timer_callback((unsigned long)hw); | |
8a09d6d8 | 51 | mutex_unlock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
52 | return err; |
53 | } | |
54 | ||
55 | static void rtl_op_stop(struct ieee80211_hw *hw) | |
56 | { | |
57 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
58 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
59 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
60 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
61 | ||
62 | if (is_hal_stop(rtlhal)) | |
63 | return; | |
64 | ||
65 | if (unlikely(ppsc->rfpwr_state == ERFOFF)) { | |
66 | rtl_ips_nic_on(hw); | |
67 | mdelay(1); | |
68 | } | |
69 | ||
8a09d6d8 | 70 | mutex_lock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
71 | |
72 | mac->link_state = MAC80211_NOLINK; | |
73 | memset(mac->bssid, 0, 6); | |
0baa0fd7 | 74 | mac->vendor = PEER_UNKNOWN; |
0c817338 LF |
75 | |
76 | /*reset sec info */ | |
77 | rtl_cam_reset_sec_info(hw); | |
78 | ||
79 | rtl_deinit_deferred_work(hw); | |
80 | rtlpriv->intf_ops->adapter_stop(hw); | |
81 | ||
8a09d6d8 | 82 | mutex_unlock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
83 | } |
84 | ||
7bb45683 | 85 | static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
0c817338 LF |
86 | { |
87 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
88 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
89 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
0baa0fd7 C |
90 | struct rtl_tcb_desc tcb_desc; |
91 | memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); | |
0c817338 LF |
92 | |
93 | if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) | |
94 | goto err_free; | |
95 | ||
96 | if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) | |
97 | goto err_free; | |
98 | ||
0baa0fd7 C |
99 | if (!rtlpriv->intf_ops->waitq_insert(hw, skb)) |
100 | rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc); | |
0c817338 | 101 | |
7bb45683 | 102 | return; |
0c817338 LF |
103 | |
104 | err_free: | |
105 | dev_kfree_skb_any(skb); | |
0c817338 LF |
106 | } |
107 | ||
108 | static int rtl_op_add_interface(struct ieee80211_hw *hw, | |
109 | struct ieee80211_vif *vif) | |
110 | { | |
111 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
112 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
113 | int err = 0; | |
114 | ||
115 | if (mac->vif) { | |
116 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
117 | ("vif has been set!! mac->vif = 0x%p\n", mac->vif)); | |
118 | return -EOPNOTSUPP; | |
119 | } | |
120 | ||
121 | rtl_ips_nic_on(hw); | |
122 | ||
8a09d6d8 | 123 | mutex_lock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
124 | switch (vif->type) { |
125 | case NL80211_IFTYPE_STATION: | |
126 | if (mac->beacon_enabled == 1) { | |
127 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
128 | ("NL80211_IFTYPE_STATION\n")); | |
129 | mac->beacon_enabled = 0; | |
130 | rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, | |
131 | rtlpriv->cfg->maps | |
132 | [RTL_IBSS_INT_MASKS]); | |
133 | } | |
134 | break; | |
135 | case NL80211_IFTYPE_ADHOC: | |
136 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
137 | ("NL80211_IFTYPE_ADHOC\n")); | |
138 | ||
139 | mac->link_state = MAC80211_LINKED; | |
140 | rtlpriv->cfg->ops->set_bcn_reg(hw); | |
0baa0fd7 C |
141 | if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) |
142 | mac->basic_rates = 0xfff; | |
143 | else | |
144 | mac->basic_rates = 0xff0; | |
145 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, | |
146 | (u8 *) (&mac->basic_rates)); | |
147 | ||
0c817338 LF |
148 | break; |
149 | case NL80211_IFTYPE_AP: | |
150 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
151 | ("NL80211_IFTYPE_AP\n")); | |
0baa0fd7 C |
152 | |
153 | mac->link_state = MAC80211_LINKED; | |
154 | rtlpriv->cfg->ops->set_bcn_reg(hw); | |
155 | if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) | |
156 | mac->basic_rates = 0xfff; | |
157 | else | |
158 | mac->basic_rates = 0xff0; | |
159 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, | |
160 | (u8 *) (&mac->basic_rates)); | |
0c817338 LF |
161 | break; |
162 | default: | |
163 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
164 | ("operation mode %d is not support!\n", vif->type)); | |
165 | err = -EOPNOTSUPP; | |
166 | goto out; | |
167 | } | |
168 | ||
169 | mac->vif = vif; | |
170 | mac->opmode = vif->type; | |
171 | rtlpriv->cfg->ops->set_network_type(hw, vif->type); | |
172 | memcpy(mac->mac_addr, vif->addr, ETH_ALEN); | |
173 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr); | |
174 | ||
175 | out: | |
8a09d6d8 | 176 | mutex_unlock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
177 | return err; |
178 | } | |
179 | ||
180 | static void rtl_op_remove_interface(struct ieee80211_hw *hw, | |
181 | struct ieee80211_vif *vif) | |
182 | { | |
183 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
184 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
185 | ||
8a09d6d8 | 186 | mutex_lock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
187 | |
188 | /* Free beacon resources */ | |
189 | if ((mac->opmode == NL80211_IFTYPE_AP) || | |
190 | (mac->opmode == NL80211_IFTYPE_ADHOC) || | |
191 | (mac->opmode == NL80211_IFTYPE_MESH_POINT)) { | |
192 | if (mac->beacon_enabled == 1) { | |
193 | mac->beacon_enabled = 0; | |
194 | rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, | |
195 | rtlpriv->cfg->maps | |
196 | [RTL_IBSS_INT_MASKS]); | |
197 | } | |
198 | } | |
199 | ||
200 | /* | |
201 | *Note: We assume NL80211_IFTYPE_UNSPECIFIED as | |
202 | *NO LINK for our hardware. | |
203 | */ | |
204 | mac->vif = NULL; | |
205 | mac->link_state = MAC80211_NOLINK; | |
206 | memset(mac->bssid, 0, 6); | |
0baa0fd7 | 207 | mac->vendor = PEER_UNKNOWN; |
0c817338 LF |
208 | mac->opmode = NL80211_IFTYPE_UNSPECIFIED; |
209 | rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); | |
8a09d6d8 | 210 | mutex_unlock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
211 | } |
212 | ||
0c817338 LF |
213 | static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) |
214 | { | |
215 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
216 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
217 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
218 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
219 | struct ieee80211_conf *conf = &hw->conf; | |
220 | ||
8a09d6d8 | 221 | mutex_lock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
222 | if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /*BIT(2)*/ |
223 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
224 | ("IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n")); | |
225 | } | |
226 | ||
227 | /*For IPS */ | |
228 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { | |
229 | if (hw->conf.flags & IEEE80211_CONF_IDLE) | |
230 | rtl_ips_nic_off(hw); | |
231 | else | |
232 | rtl_ips_nic_on(hw); | |
233 | } else { | |
234 | /* | |
235 | *although rfoff may not cause by ips, but we will | |
236 | *check the reason in set_rf_power_state function | |
237 | */ | |
238 | if (unlikely(ppsc->rfpwr_state == ERFOFF)) | |
239 | rtl_ips_nic_on(hw); | |
240 | } | |
241 | ||
242 | /*For LPS */ | |
243 | if (changed & IEEE80211_CONF_CHANGE_PS) { | |
0baa0fd7 C |
244 | cancel_delayed_work(&rtlpriv->works.ps_work); |
245 | cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); | |
246 | if (conf->flags & IEEE80211_CONF_PS) { | |
247 | rtlpriv->psc.sw_ps_enabled = true; | |
248 | /* sleep here is must, or we may recv the beacon and | |
249 | * cause mac80211 into wrong ps state, this will cause | |
250 | * power save nullfunc send fail, and further cause | |
251 | * pkt loss, So sleep must quickly but not immediatly | |
252 | * because that will cause nullfunc send by mac80211 | |
253 | * fail, and cause pkt loss, we have tested that 5mA | |
254 | * is worked very well */ | |
255 | if (!rtlpriv->psc.multi_buffered) | |
256 | queue_delayed_work(rtlpriv->works.rtl_wq, | |
257 | &rtlpriv->works.ps_work, | |
258 | MSECS(5)); | |
259 | } else { | |
260 | rtl_swlps_rf_awake(hw); | |
261 | rtlpriv->psc.sw_ps_enabled = false; | |
262 | } | |
0c817338 LF |
263 | } |
264 | ||
265 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { | |
266 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
267 | ("IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", | |
268 | hw->conf.long_frame_max_tx_count)); | |
269 | mac->retry_long = hw->conf.long_frame_max_tx_count; | |
270 | mac->retry_short = hw->conf.long_frame_max_tx_count; | |
271 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, | |
272 | (u8 *) (&hw->conf. | |
273 | long_frame_max_tx_count)); | |
274 | } | |
275 | ||
276 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
277 | struct ieee80211_channel *channel = hw->conf.channel; | |
278 | u8 wide_chan = (u8) channel->hw_value; | |
279 | ||
280 | /* | |
281 | *because we should back channel to | |
282 | *current_network.chan in in scanning, | |
283 | *So if set_chan == current_network.chan | |
284 | *we should set it. | |
285 | *because mac80211 tell us wrong bw40 | |
286 | *info for cisco1253 bw20, so we modify | |
287 | *it here based on UPPER & LOWER | |
288 | */ | |
289 | switch (hw->conf.channel_type) { | |
290 | case NL80211_CHAN_HT20: | |
291 | case NL80211_CHAN_NO_HT: | |
292 | /* SC */ | |
293 | mac->cur_40_prime_sc = | |
0baa0fd7 | 294 | PRIME_CHNL_OFFSET_DONT_CARE; |
0c817338 LF |
295 | rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20; |
296 | mac->bw_40 = false; | |
297 | break; | |
298 | case NL80211_CHAN_HT40MINUS: | |
299 | /* SC */ | |
300 | mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER; | |
301 | rtlphy->current_chan_bw = | |
0baa0fd7 | 302 | HT_CHANNEL_WIDTH_20_40; |
0c817338 LF |
303 | mac->bw_40 = true; |
304 | ||
305 | /*wide channel */ | |
306 | wide_chan -= 2; | |
307 | ||
308 | break; | |
309 | case NL80211_CHAN_HT40PLUS: | |
310 | /* SC */ | |
311 | mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER; | |
312 | rtlphy->current_chan_bw = | |
0baa0fd7 | 313 | HT_CHANNEL_WIDTH_20_40; |
0c817338 LF |
314 | mac->bw_40 = true; |
315 | ||
316 | /*wide channel */ | |
317 | wide_chan += 2; | |
318 | ||
319 | break; | |
320 | default: | |
321 | mac->bw_40 = false; | |
322 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
0baa0fd7 | 323 | ("switch case not processed\n")); |
0c817338 LF |
324 | break; |
325 | } | |
326 | ||
327 | if (wide_chan <= 0) | |
328 | wide_chan = 1; | |
0baa0fd7 C |
329 | |
330 | /* In scanning, before we go offchannel we may send a ps=1 null | |
331 | * to AP, and then we may send a ps = 0 null to AP quickly, but | |
332 | * first null may have caused AP to put lots of packet to hw tx | |
333 | * buffer. These packets must be tx'd before we go off channel | |
334 | * so we must delay more time to let AP flush these packets | |
335 | * before going offchannel, or dis-association or delete BA will | |
336 | * happen by AP | |
337 | */ | |
9c050440 MM |
338 | if (rtlpriv->mac80211.offchan_delay) { |
339 | rtlpriv->mac80211.offchan_delay = false; | |
0baa0fd7 C |
340 | mdelay(50); |
341 | } | |
0c817338 LF |
342 | rtlphy->current_channel = wide_chan; |
343 | ||
0c817338 | 344 | rtlpriv->cfg->ops->switch_channel(hw); |
0baa0fd7 | 345 | rtlpriv->cfg->ops->set_channel_access(hw); |
0c817338 LF |
346 | rtlpriv->cfg->ops->set_bw_mode(hw, |
347 | hw->conf.channel_type); | |
348 | } | |
349 | ||
8a09d6d8 | 350 | mutex_unlock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
351 | |
352 | return 0; | |
353 | } | |
354 | ||
355 | static void rtl_op_configure_filter(struct ieee80211_hw *hw, | |
356 | unsigned int changed_flags, | |
357 | unsigned int *new_flags, u64 multicast) | |
358 | { | |
359 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
360 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
361 | ||
362 | *new_flags &= RTL_SUPPORTED_FILTERS; | |
363 | if (!changed_flags) | |
364 | return; | |
365 | ||
366 | /*TODO: we disable broadcase now, so enable here */ | |
367 | if (changed_flags & FIF_ALLMULTI) { | |
368 | if (*new_flags & FIF_ALLMULTI) { | |
369 | mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | | |
370 | rtlpriv->cfg->maps[MAC_RCR_AB]; | |
371 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
372 | ("Enable receive multicast frame.\n")); | |
373 | } else { | |
374 | mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | | |
375 | rtlpriv->cfg->maps[MAC_RCR_AB]); | |
376 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
377 | ("Disable receive multicast frame.\n")); | |
378 | } | |
379 | } | |
380 | ||
381 | if (changed_flags & FIF_FCSFAIL) { | |
382 | if (*new_flags & FIF_FCSFAIL) { | |
383 | mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; | |
384 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
385 | ("Enable receive FCS error frame.\n")); | |
386 | } else { | |
387 | mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; | |
388 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
389 | ("Disable receive FCS error frame.\n")); | |
390 | } | |
391 | } | |
392 | ||
0baa0fd7 C |
393 | /* if ssid not set to hw don't check bssid |
394 | * here just used for linked scanning, & linked | |
395 | * and nolink check bssid is set in set network_type */ | |
396 | if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) && | |
397 | (mac->link_state >= MAC80211_LINKED)) { | |
398 | if (mac->opmode != NL80211_IFTYPE_AP) { | |
399 | if (*new_flags & FIF_BCN_PRBRESP_PROMISC) { | |
400 | rtlpriv->cfg->ops->set_chk_bssid(hw, false); | |
401 | } else { | |
402 | rtlpriv->cfg->ops->set_chk_bssid(hw, true); | |
403 | } | |
404 | } | |
0c817338 LF |
405 | } |
406 | ||
407 | if (changed_flags & FIF_CONTROL) { | |
408 | if (*new_flags & FIF_CONTROL) { | |
409 | mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; | |
0c817338 LF |
410 | |
411 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
412 | ("Enable receive control frame.\n")); | |
413 | } else { | |
414 | mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; | |
0c817338 LF |
415 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, |
416 | ("Disable receive control frame.\n")); | |
417 | } | |
418 | } | |
419 | ||
420 | if (changed_flags & FIF_OTHER_BSS) { | |
421 | if (*new_flags & FIF_OTHER_BSS) { | |
422 | mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; | |
423 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
424 | ("Enable receive other BSS's frame.\n")); | |
425 | } else { | |
426 | mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; | |
427 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
428 | ("Disable receive other BSS's frame.\n")); | |
429 | } | |
430 | } | |
0c817338 | 431 | } |
0baa0fd7 C |
432 | static int rtl_op_sta_add(struct ieee80211_hw *hw, |
433 | struct ieee80211_vif *vif, | |
434 | struct ieee80211_sta *sta) | |
435 | { | |
436 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
437 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
438 | struct rtl_sta_info *sta_entry; | |
439 | ||
440 | if (sta) { | |
441 | sta_entry = (struct rtl_sta_info *) sta->drv_priv; | |
442 | if (rtlhal->current_bandtype == BAND_ON_2_4G) { | |
443 | sta_entry->wireless_mode = WIRELESS_MODE_G; | |
444 | if (sta->supp_rates[0] <= 0xf) | |
445 | sta_entry->wireless_mode = WIRELESS_MODE_B; | |
446 | if (sta->ht_cap.ht_supported == true) | |
447 | sta_entry->wireless_mode = WIRELESS_MODE_N_24G; | |
448 | } else if (rtlhal->current_bandtype == BAND_ON_5G) { | |
449 | sta_entry->wireless_mode = WIRELESS_MODE_A; | |
450 | if (sta->ht_cap.ht_supported == true) | |
451 | sta_entry->wireless_mode = WIRELESS_MODE_N_24G; | |
452 | } | |
453 | ||
454 | /* I found some times mac80211 give wrong supp_rates for adhoc*/ | |
455 | if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC) | |
456 | sta_entry->wireless_mode = WIRELESS_MODE_G; | |
0c817338 | 457 | |
0baa0fd7 C |
458 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, |
459 | ("Add sta addr is "MAC_FMT"\n", MAC_ARG(sta->addr))); | |
460 | rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); | |
461 | } | |
462 | return 0; | |
463 | } | |
464 | static int rtl_op_sta_remove(struct ieee80211_hw *hw, | |
465 | struct ieee80211_vif *vif, | |
466 | struct ieee80211_sta *sta) | |
467 | { | |
468 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
469 | struct rtl_sta_info *sta_entry; | |
470 | if (sta) { | |
471 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
472 | ("Remove sta addr is "MAC_FMT"\n", MAC_ARG(sta->addr))); | |
473 | sta_entry = (struct rtl_sta_info *) sta->drv_priv; | |
474 | sta_entry->wireless_mode = 0; | |
475 | sta_entry->ratr_index = 0; | |
476 | } | |
477 | return 0; | |
478 | } | |
0c817338 LF |
479 | static int _rtl_get_hal_qnum(u16 queue) |
480 | { | |
481 | int qnum; | |
482 | ||
483 | switch (queue) { | |
484 | case 0: | |
485 | qnum = AC3_VO; | |
486 | break; | |
487 | case 1: | |
488 | qnum = AC2_VI; | |
489 | break; | |
490 | case 2: | |
491 | qnum = AC0_BE; | |
492 | break; | |
493 | case 3: | |
494 | qnum = AC1_BK; | |
495 | break; | |
496 | default: | |
497 | qnum = AC0_BE; | |
498 | break; | |
499 | } | |
500 | return qnum; | |
501 | } | |
502 | ||
503 | /* | |
504 | *for mac80211 VO=0, VI=1, BE=2, BK=3 | |
505 | *for rtl819x BE=0, BK=1, VI=2, VO=3 | |
506 | */ | |
507 | static int rtl_op_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
508 | const struct ieee80211_tx_queue_params *param) | |
509 | { | |
510 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
511 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
512 | int aci; | |
513 | ||
514 | if (queue >= AC_MAX) { | |
515 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
516 | ("queue number %d is incorrect!\n", queue)); | |
517 | return -EINVAL; | |
518 | } | |
519 | ||
520 | aci = _rtl_get_hal_qnum(queue); | |
521 | mac->ac[aci].aifs = param->aifs; | |
17c9ac62 LF |
522 | mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); |
523 | mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); | |
524 | mac->ac[aci].tx_op = cpu_to_le16(param->txop); | |
0c817338 LF |
525 | memcpy(&mac->edca_param[aci], param, sizeof(*param)); |
526 | rtlpriv->cfg->ops->set_qos(hw, aci); | |
527 | return 0; | |
528 | } | |
529 | ||
530 | static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, | |
531 | struct ieee80211_vif *vif, | |
532 | struct ieee80211_bss_conf *bss_conf, u32 changed) | |
533 | { | |
534 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
0baa0fd7 | 535 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); |
0c817338 LF |
536 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
537 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
0baa0fd7 | 538 | struct ieee80211_sta *sta = NULL; |
0c817338 | 539 | |
8a09d6d8 | 540 | mutex_lock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
541 | if ((vif->type == NL80211_IFTYPE_ADHOC) || |
542 | (vif->type == NL80211_IFTYPE_AP) || | |
543 | (vif->type == NL80211_IFTYPE_MESH_POINT)) { | |
0c817338 LF |
544 | if ((changed & BSS_CHANGED_BEACON) || |
545 | (changed & BSS_CHANGED_BEACON_ENABLED && | |
546 | bss_conf->enable_beacon)) { | |
0c817338 LF |
547 | if (mac->beacon_enabled == 0) { |
548 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
549 | ("BSS_CHANGED_BEACON_ENABLED\n")); | |
550 | ||
551 | /*start hw beacon interrupt. */ | |
552 | /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ | |
553 | mac->beacon_enabled = 1; | |
554 | rtlpriv->cfg->ops->update_interrupt_mask(hw, | |
555 | rtlpriv->cfg->maps | |
556 | [RTL_IBSS_INT_MASKS], | |
557 | 0); | |
0baa0fd7 C |
558 | |
559 | if (rtlpriv->cfg->ops->linked_set_reg) | |
560 | rtlpriv->cfg->ops->linked_set_reg(hw); | |
0c817338 | 561 | } |
0baa0fd7 C |
562 | } |
563 | if ((changed & BSS_CHANGED_BEACON_ENABLED && | |
564 | !bss_conf->enable_beacon)) { | |
0c817338 LF |
565 | if (mac->beacon_enabled == 1) { |
566 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
567 | ("ADHOC DISABLE BEACON\n")); | |
568 | ||
569 | mac->beacon_enabled = 0; | |
570 | rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, | |
571 | rtlpriv->cfg->maps | |
572 | [RTL_IBSS_INT_MASKS]); | |
573 | } | |
574 | } | |
0c817338 LF |
575 | if (changed & BSS_CHANGED_BEACON_INT) { |
576 | RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE, | |
577 | ("BSS_CHANGED_BEACON_INT\n")); | |
578 | mac->beacon_interval = bss_conf->beacon_int; | |
579 | rtlpriv->cfg->ops->set_bcn_intv(hw); | |
580 | } | |
581 | } | |
582 | ||
583 | /*TODO: reference to enum ieee80211_bss_change */ | |
584 | if (changed & BSS_CHANGED_ASSOC) { | |
585 | if (bss_conf->assoc) { | |
0baa0fd7 C |
586 | /* we should reset all sec info & cam |
587 | * before set cam after linked, we should not | |
588 | * reset in disassoc, that will cause tkip->wep | |
589 | * fail because some flag will be wrong */ | |
590 | /* reset sec info */ | |
591 | rtl_cam_reset_sec_info(hw); | |
592 | /* reset cam to fix wep fail issue | |
593 | * when change from wpa to wep */ | |
594 | rtl_cam_reset_all_entry(hw); | |
595 | ||
0c817338 LF |
596 | mac->link_state = MAC80211_LINKED; |
597 | mac->cnt_after_linked = 0; | |
598 | mac->assoc_id = bss_conf->aid; | |
599 | memcpy(mac->bssid, bss_conf->bssid, 6); | |
600 | ||
0baa0fd7 C |
601 | if (rtlpriv->cfg->ops->linked_set_reg) |
602 | rtlpriv->cfg->ops->linked_set_reg(hw); | |
603 | if (mac->opmode == NL80211_IFTYPE_STATION && sta) | |
604 | rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); | |
0c817338 LF |
605 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, |
606 | ("BSS_CHANGED_ASSOC\n")); | |
607 | } else { | |
608 | if (mac->link_state == MAC80211_LINKED) | |
609 | rtl_lps_leave(hw); | |
610 | ||
611 | mac->link_state = MAC80211_NOLINK; | |
612 | memset(mac->bssid, 0, 6); | |
0baa0fd7 | 613 | mac->vendor = PEER_UNKNOWN; |
0c817338 LF |
614 | |
615 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
616 | ("BSS_CHANGED_UN_ASSOC\n")); | |
617 | } | |
618 | } | |
619 | ||
620 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
621 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
622 | ("BSS_CHANGED_ERP_CTS_PROT\n")); | |
623 | mac->use_cts_protect = bss_conf->use_cts_prot; | |
624 | } | |
625 | ||
626 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
627 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
628 | ("BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", | |
629 | bss_conf->use_short_preamble)); | |
630 | ||
631 | mac->short_preamble = bss_conf->use_short_preamble; | |
632 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, | |
633 | (u8 *) (&mac->short_preamble)); | |
634 | } | |
635 | ||
636 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
637 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
638 | ("BSS_CHANGED_ERP_SLOT\n")); | |
639 | ||
640 | if (bss_conf->use_short_slot) | |
641 | mac->slot_time = RTL_SLOT_TIME_9; | |
642 | else | |
643 | mac->slot_time = RTL_SLOT_TIME_20; | |
644 | ||
645 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, | |
646 | (u8 *) (&mac->slot_time)); | |
647 | } | |
648 | ||
649 | if (changed & BSS_CHANGED_HT) { | |
0c817338 LF |
650 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, |
651 | ("BSS_CHANGED_HT\n")); | |
701c2be0 | 652 | rcu_read_lock(); |
7101f404 | 653 | sta = get_sta(hw, vif, bss_conf->bssid); |
0c817338 LF |
654 | if (sta) { |
655 | if (sta->ht_cap.ampdu_density > | |
656 | mac->current_ampdu_density) | |
657 | mac->current_ampdu_density = | |
658 | sta->ht_cap.ampdu_density; | |
659 | if (sta->ht_cap.ampdu_factor < | |
660 | mac->current_ampdu_factor) | |
661 | mac->current_ampdu_factor = | |
662 | sta->ht_cap.ampdu_factor; | |
663 | } | |
701c2be0 | 664 | rcu_read_unlock(); |
0c817338 LF |
665 | |
666 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, | |
667 | (u8 *) (&mac->max_mss_density)); | |
668 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, | |
669 | &mac->current_ampdu_factor); | |
670 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, | |
671 | &mac->current_ampdu_density); | |
672 | } | |
673 | ||
674 | if (changed & BSS_CHANGED_BSSID) { | |
0c817338 | 675 | u32 basic_rates; |
0c817338 LF |
676 | |
677 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, | |
678 | (u8 *) bss_conf->bssid); | |
679 | ||
680 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
681 | (MAC_FMT "\n", MAC_ARG(bss_conf->bssid))); | |
682 | ||
0baa0fd7 | 683 | mac->vendor = PEER_UNKNOWN; |
0c817338 | 684 | memcpy(mac->bssid, bss_conf->bssid, 6); |
0baa0fd7 | 685 | rtlpriv->cfg->ops->set_network_type(hw, vif->type); |
0c817338 | 686 | |
701c2be0 | 687 | rcu_read_lock(); |
7101f404 | 688 | sta = get_sta(hw, vif, bss_conf->bssid); |
0baa0fd7 C |
689 | if (!sta) { |
690 | rcu_read_unlock(); | |
691 | goto out; | |
692 | } | |
0c817338 | 693 | |
0baa0fd7 C |
694 | if (rtlhal->current_bandtype == BAND_ON_5G) { |
695 | mac->mode = WIRELESS_MODE_A; | |
696 | } else { | |
697 | if (sta->supp_rates[0] <= 0xf) | |
698 | mac->mode = WIRELESS_MODE_B; | |
699 | else | |
700 | mac->mode = WIRELESS_MODE_G; | |
701 | } | |
702 | ||
703 | if (sta->ht_cap.ht_supported) { | |
704 | if (rtlhal->current_bandtype == BAND_ON_2_4G) | |
0c817338 | 705 | mac->mode = WIRELESS_MODE_N_24G; |
0baa0fd7 C |
706 | else |
707 | mac->mode = WIRELESS_MODE_N_5G; | |
708 | } | |
0c817338 | 709 | |
0baa0fd7 C |
710 | /* just station need it, because ibss & ap mode will |
711 | * set in sta_add, and will be NULL here */ | |
712 | if (mac->opmode == NL80211_IFTYPE_STATION) { | |
713 | struct rtl_sta_info *sta_entry; | |
714 | sta_entry = (struct rtl_sta_info *) sta->drv_priv; | |
715 | sta_entry->wireless_mode = mac->mode; | |
716 | } | |
717 | ||
718 | if (sta->ht_cap.ht_supported) { | |
719 | mac->ht_enable = true; | |
720 | ||
721 | /* | |
722 | * for cisco 1252 bw20 it's wrong | |
723 | * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { | |
724 | * mac->bw_40 = true; | |
725 | * } | |
726 | * */ | |
0c817338 LF |
727 | } |
728 | ||
0c817338 | 729 | if (changed & BSS_CHANGED_BASIC_RATES) { |
0baa0fd7 C |
730 | /* for 5G must << RATE_6M_INDEX=4, |
731 | * because 5G have no cck rate*/ | |
732 | if (rtlhal->current_bandtype == BAND_ON_5G) | |
733 | basic_rates = sta->supp_rates[1] << 4; | |
0c817338 | 734 | else |
0baa0fd7 | 735 | basic_rates = sta->supp_rates[0]; |
0c817338 LF |
736 | |
737 | mac->basic_rates = basic_rates; | |
738 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, | |
739 | (u8 *) (&basic_rates)); | |
0c817338 | 740 | } |
0baa0fd7 | 741 | rcu_read_unlock(); |
0c817338 LF |
742 | } |
743 | ||
744 | /* | |
745 | * For FW LPS: | |
746 | * To tell firmware we have connected | |
747 | * to an AP. For 92SE/CE power save v2. | |
748 | */ | |
749 | if (changed & BSS_CHANGED_ASSOC) { | |
750 | if (bss_conf->assoc) { | |
7ea47240 | 751 | if (ppsc->fwctrl_lps) { |
0c817338 LF |
752 | u8 mstatus = RT_MEDIA_CONNECT; |
753 | rtlpriv->cfg->ops->set_hw_reg(hw, | |
754 | HW_VAR_H2C_FW_JOINBSSRPT, | |
755 | (u8 *) (&mstatus)); | |
756 | ppsc->report_linked = true; | |
757 | } | |
758 | } else { | |
7ea47240 | 759 | if (ppsc->fwctrl_lps) { |
0c817338 LF |
760 | u8 mstatus = RT_MEDIA_DISCONNECT; |
761 | rtlpriv->cfg->ops->set_hw_reg(hw, | |
762 | HW_VAR_H2C_FW_JOINBSSRPT, | |
763 | (u8 *)(&mstatus)); | |
764 | ppsc->report_linked = false; | |
765 | } | |
766 | } | |
767 | } | |
768 | ||
769 | out: | |
8a09d6d8 | 770 | mutex_unlock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
771 | } |
772 | ||
773 | static u64 rtl_op_get_tsf(struct ieee80211_hw *hw) | |
774 | { | |
775 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
776 | u64 tsf; | |
777 | ||
778 | rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&tsf)); | |
779 | return tsf; | |
780 | } | |
781 | ||
782 | static void rtl_op_set_tsf(struct ieee80211_hw *hw, u64 tsf) | |
783 | { | |
784 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
785 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
6eab04a8 | 786 | u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; |
0c817338 LF |
787 | |
788 | mac->tsf = tsf; | |
789 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&bibss)); | |
790 | } | |
791 | ||
792 | static void rtl_op_reset_tsf(struct ieee80211_hw *hw) | |
793 | { | |
794 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
795 | u8 tmp = 0; | |
796 | ||
797 | rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *) (&tmp)); | |
798 | } | |
799 | ||
800 | static void rtl_op_sta_notify(struct ieee80211_hw *hw, | |
801 | struct ieee80211_vif *vif, | |
802 | enum sta_notify_cmd cmd, | |
803 | struct ieee80211_sta *sta) | |
804 | { | |
805 | switch (cmd) { | |
806 | case STA_NOTIFY_SLEEP: | |
807 | break; | |
808 | case STA_NOTIFY_AWAKE: | |
809 | break; | |
810 | default: | |
811 | break; | |
812 | } | |
813 | } | |
814 | ||
815 | static int rtl_op_ampdu_action(struct ieee80211_hw *hw, | |
816 | struct ieee80211_vif *vif, | |
817 | enum ieee80211_ampdu_mlme_action action, | |
0b01f030 JB |
818 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
819 | u8 buf_size) | |
0c817338 LF |
820 | { |
821 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
822 | ||
823 | switch (action) { | |
824 | case IEEE80211_AMPDU_TX_START: | |
825 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
826 | ("IEEE80211_AMPDU_TX_START: TID:%d\n", tid)); | |
0baa0fd7 | 827 | return rtl_tx_agg_start(hw, sta, tid, ssn); |
0c817338 LF |
828 | break; |
829 | case IEEE80211_AMPDU_TX_STOP: | |
830 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
831 | ("IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid)); | |
0baa0fd7 | 832 | return rtl_tx_agg_stop(hw, sta, tid); |
0c817338 LF |
833 | break; |
834 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
835 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
836 | ("IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid)); | |
0baa0fd7 | 837 | rtl_tx_agg_oper(hw, sta, tid); |
0c817338 LF |
838 | break; |
839 | case IEEE80211_AMPDU_RX_START: | |
840 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
841 | ("IEEE80211_AMPDU_RX_START:TID:%d\n", tid)); | |
842 | break; | |
843 | case IEEE80211_AMPDU_RX_STOP: | |
844 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
845 | ("IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid)); | |
846 | break; | |
847 | default: | |
848 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
849 | ("IEEE80211_AMPDU_ERR!!!!:\n")); | |
850 | return -EOPNOTSUPP; | |
851 | } | |
852 | return 0; | |
853 | } | |
854 | ||
855 | static void rtl_op_sw_scan_start(struct ieee80211_hw *hw) | |
856 | { | |
857 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
858 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
859 | ||
860 | mac->act_scanning = true; | |
861 | ||
862 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("\n")); | |
863 | ||
864 | if (mac->link_state == MAC80211_LINKED) { | |
865 | rtl_lps_leave(hw); | |
866 | mac->link_state = MAC80211_LINKED_SCANNING; | |
0baa0fd7 | 867 | } else { |
0c817338 | 868 | rtl_ips_nic_on(hw); |
0baa0fd7 C |
869 | } |
870 | ||
871 | /* Dual mac */ | |
872 | rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; | |
0c817338 LF |
873 | |
874 | rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); | |
875 | rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP); | |
876 | } | |
877 | ||
878 | static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw) | |
879 | { | |
880 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
881 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
882 | ||
883 | RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("\n")); | |
0c817338 | 884 | mac->act_scanning = false; |
0baa0fd7 C |
885 | /* Dual mac */ |
886 | rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; | |
887 | ||
0c817338 LF |
888 | if (mac->link_state == MAC80211_LINKED_SCANNING) { |
889 | mac->link_state = MAC80211_LINKED; | |
0baa0fd7 C |
890 | if (mac->opmode == NL80211_IFTYPE_STATION) { |
891 | /* fix fwlps issue */ | |
892 | rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); | |
893 | } | |
0c817338 LF |
894 | } |
895 | ||
0baa0fd7 | 896 | rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); |
0c817338 LF |
897 | } |
898 | ||
899 | static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
900 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
901 | struct ieee80211_key_conf *key) | |
902 | { | |
903 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
904 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
905 | u8 key_type = NO_ENCRYPTION; | |
906 | u8 key_idx; | |
907 | bool group_key = false; | |
908 | bool wep_only = false; | |
909 | int err = 0; | |
910 | u8 mac_addr[ETH_ALEN]; | |
911 | u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
912 | u8 zero_addr[ETH_ALEN] = { 0 }; | |
913 | ||
914 | if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { | |
915 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
916 | ("not open hw encryption\n")); | |
917 | return -ENOSPC; /*User disabled HW-crypto */ | |
918 | } | |
919 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
920 | ("%s hardware based encryption for keyidx: %d, mac: %pM\n", | |
921 | cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, | |
922 | sta ? sta->addr : bcast_addr)); | |
923 | rtlpriv->sec.being_setkey = true; | |
924 | rtl_ips_nic_on(hw); | |
8a09d6d8 | 925 | mutex_lock(&rtlpriv->locks.conf_mutex); |
0c817338 | 926 | /* <1> get encryption alg */ |
0baa0fd7 | 927 | |
0c817338 LF |
928 | switch (key->cipher) { |
929 | case WLAN_CIPHER_SUITE_WEP40: | |
930 | key_type = WEP40_ENCRYPTION; | |
931 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:WEP40\n")); | |
0c817338 LF |
932 | break; |
933 | case WLAN_CIPHER_SUITE_WEP104: | |
934 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
935 | ("alg:WEP104\n")); | |
936 | key_type = WEP104_ENCRYPTION; | |
0c817338 LF |
937 | break; |
938 | case WLAN_CIPHER_SUITE_TKIP: | |
939 | key_type = TKIP_ENCRYPTION; | |
940 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:TKIP\n")); | |
0c817338 LF |
941 | break; |
942 | case WLAN_CIPHER_SUITE_CCMP: | |
943 | key_type = AESCCMP_ENCRYPTION; | |
944 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:CCMP\n")); | |
0c817338 LF |
945 | break; |
946 | default: | |
947 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
948 | ("alg_err:%x!!!!:\n", key->cipher)); | |
949 | goto out_unlock; | |
950 | } | |
0baa0fd7 C |
951 | if (key_type == WEP40_ENCRYPTION || |
952 | key_type == WEP104_ENCRYPTION || | |
953 | mac->opmode == NL80211_IFTYPE_ADHOC) | |
954 | rtlpriv->sec.use_defaultkey = true; | |
955 | ||
0c817338 LF |
956 | /* <2> get key_idx */ |
957 | key_idx = (u8) (key->keyidx); | |
958 | if (key_idx > 3) | |
959 | goto out_unlock; | |
960 | /* <3> if pairwise key enable_hw_sec */ | |
961 | group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); | |
0baa0fd7 C |
962 | |
963 | /* wep always be group key, but there are two conditions: | |
964 | * 1) wep only: is just for wep enc, in this condition | |
965 | * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION | |
966 | * will be true & enable_hw_sec will be set when wep | |
967 | * ke setting. | |
968 | * 2) wep(group) + AES(pairwise): some AP like cisco | |
969 | * may use it, in this condition enable_hw_sec will not | |
970 | * be set when wep key setting */ | |
971 | /* we must reset sec_info after lingked before set key, | |
972 | * or some flag will be wrong*/ | |
973 | if (mac->opmode == NL80211_IFTYPE_AP) { | |
974 | if (!group_key || key_type == WEP40_ENCRYPTION || | |
975 | key_type == WEP104_ENCRYPTION) { | |
976 | if (group_key) | |
977 | wep_only = true; | |
978 | rtlpriv->cfg->ops->enable_hw_sec(hw); | |
979 | } | |
980 | } else { | |
981 | if ((!group_key) || (mac->opmode == NL80211_IFTYPE_ADHOC) || | |
982 | rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { | |
983 | if (rtlpriv->sec.pairwise_enc_algorithm == | |
984 | NO_ENCRYPTION && | |
985 | (key_type == WEP40_ENCRYPTION || | |
986 | key_type == WEP104_ENCRYPTION)) | |
987 | wep_only = true; | |
988 | rtlpriv->sec.pairwise_enc_algorithm = key_type; | |
989 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
990 | ("set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1" | |
991 | " TKIP:2 AES:4 WEP104:5)\n", key_type)); | |
992 | rtlpriv->cfg->ops->enable_hw_sec(hw); | |
993 | } | |
0c817338 LF |
994 | } |
995 | /* <4> set key based on cmd */ | |
996 | switch (cmd) { | |
997 | case SET_KEY: | |
998 | if (wep_only) { | |
999 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
1000 | ("set WEP(group/pairwise) key\n")); | |
1001 | /* Pairwise key with an assigned MAC address. */ | |
1002 | rtlpriv->sec.pairwise_enc_algorithm = key_type; | |
1003 | rtlpriv->sec.group_enc_algorithm = key_type; | |
1004 | /*set local buf about wep key. */ | |
1005 | memcpy(rtlpriv->sec.key_buf[key_idx], | |
1006 | key->key, key->keylen); | |
1007 | rtlpriv->sec.key_len[key_idx] = key->keylen; | |
1008 | memcpy(mac_addr, zero_addr, ETH_ALEN); | |
1009 | } else if (group_key) { /* group key */ | |
1010 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
1011 | ("set group key\n")); | |
1012 | /* group key */ | |
1013 | rtlpriv->sec.group_enc_algorithm = key_type; | |
1014 | /*set local buf about group key. */ | |
1015 | memcpy(rtlpriv->sec.key_buf[key_idx], | |
1016 | key->key, key->keylen); | |
1017 | rtlpriv->sec.key_len[key_idx] = key->keylen; | |
1018 | memcpy(mac_addr, bcast_addr, ETH_ALEN); | |
1019 | } else { /* pairwise key */ | |
1020 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
1021 | ("set pairwise key\n")); | |
1022 | if (!sta) { | |
1023 | RT_ASSERT(false, ("pairwise key withnot" | |
1024 | "mac_addr\n")); | |
0baa0fd7 | 1025 | |
0c817338 LF |
1026 | err = -EOPNOTSUPP; |
1027 | goto out_unlock; | |
1028 | } | |
1029 | /* Pairwise key with an assigned MAC address. */ | |
1030 | rtlpriv->sec.pairwise_enc_algorithm = key_type; | |
1031 | /*set local buf about pairwise key. */ | |
1032 | memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], | |
1033 | key->key, key->keylen); | |
1034 | rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; | |
1035 | rtlpriv->sec.pairwise_key = | |
1036 | rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; | |
1037 | memcpy(mac_addr, sta->addr, ETH_ALEN); | |
1038 | } | |
1039 | rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, | |
1040 | group_key, key_type, wep_only, | |
1041 | false); | |
1042 | /* <5> tell mac80211 do something: */ | |
1043 | /*must use sw generate IV, or can not work !!!!. */ | |
1044 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
1045 | key->hw_key_idx = key_idx; | |
1046 | if (key_type == TKIP_ENCRYPTION) | |
1047 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; | |
1048 | break; | |
1049 | case DISABLE_KEY: | |
1050 | RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
1051 | ("disable key delete one entry\n")); | |
1052 | /*set local buf about wep key. */ | |
0baa0fd7 C |
1053 | if (mac->opmode == NL80211_IFTYPE_AP) { |
1054 | if (sta) | |
1055 | rtl_cam_del_entry(hw, sta->addr); | |
1056 | } | |
0c817338 LF |
1057 | memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); |
1058 | rtlpriv->sec.key_len[key_idx] = 0; | |
1059 | memcpy(mac_addr, zero_addr, ETH_ALEN); | |
1060 | /* | |
1061 | *mac80211 will delete entrys one by one, | |
1062 | *so don't use rtl_cam_reset_all_entry | |
1063 | *or clear all entry here. | |
1064 | */ | |
1065 | rtl_cam_delete_one_entry(hw, mac_addr, key_idx); | |
1066 | break; | |
1067 | default: | |
1068 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
1069 | ("cmd_err:%x!!!!:\n", cmd)); | |
1070 | } | |
1071 | out_unlock: | |
8a09d6d8 | 1072 | mutex_unlock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
1073 | rtlpriv->sec.being_setkey = false; |
1074 | return err; | |
1075 | } | |
1076 | ||
1077 | static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) | |
1078 | { | |
1079 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1080 | ||
1081 | bool radio_state; | |
1082 | bool blocked; | |
1083 | u8 valid = 0; | |
1084 | ||
1085 | if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) | |
1086 | return; | |
1087 | ||
8a09d6d8 | 1088 | mutex_lock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
1089 | |
1090 | /*if Radio On return true here */ | |
1091 | radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); | |
1092 | ||
1093 | if (valid) { | |
1094 | if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { | |
1095 | rtlpriv->rfkill.rfkill_state = radio_state; | |
1096 | ||
1097 | RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, | |
1098 | (KERN_INFO "wireless radio switch turned %s\n", | |
1099 | radio_state ? "on" : "off")); | |
1100 | ||
1101 | blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; | |
1102 | wiphy_rfkill_set_hw_state(hw->wiphy, blocked); | |
1103 | } | |
1104 | } | |
1105 | ||
8a09d6d8 | 1106 | mutex_unlock(&rtlpriv->locks.conf_mutex); |
0c817338 LF |
1107 | } |
1108 | ||
0baa0fd7 C |
1109 | /* this function is called by mac80211 to flush tx buffer |
1110 | * before switch channle or power save, or tx buffer packet | |
1111 | * maybe send after offchannel or rf sleep, this may cause | |
1112 | * dis-association by AP */ | |
1113 | static void rtl_op_flush(struct ieee80211_hw *hw, bool drop) | |
1114 | { | |
1115 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1116 | ||
1117 | if (rtlpriv->intf_ops->flush) | |
1118 | rtlpriv->intf_ops->flush(hw, drop); | |
1119 | } | |
1120 | ||
0c817338 LF |
1121 | const struct ieee80211_ops rtl_ops = { |
1122 | .start = rtl_op_start, | |
1123 | .stop = rtl_op_stop, | |
1124 | .tx = rtl_op_tx, | |
1125 | .add_interface = rtl_op_add_interface, | |
1126 | .remove_interface = rtl_op_remove_interface, | |
1127 | .config = rtl_op_config, | |
1128 | .configure_filter = rtl_op_configure_filter, | |
0baa0fd7 C |
1129 | .sta_add = rtl_op_sta_add, |
1130 | .sta_remove = rtl_op_sta_remove, | |
0c817338 LF |
1131 | .set_key = rtl_op_set_key, |
1132 | .conf_tx = rtl_op_conf_tx, | |
1133 | .bss_info_changed = rtl_op_bss_info_changed, | |
1134 | .get_tsf = rtl_op_get_tsf, | |
1135 | .set_tsf = rtl_op_set_tsf, | |
1136 | .reset_tsf = rtl_op_reset_tsf, | |
1137 | .sta_notify = rtl_op_sta_notify, | |
1138 | .ampdu_action = rtl_op_ampdu_action, | |
1139 | .sw_scan_start = rtl_op_sw_scan_start, | |
1140 | .sw_scan_complete = rtl_op_sw_scan_complete, | |
1141 | .rfkill_poll = rtl_op_rfkill_poll, | |
0baa0fd7 | 1142 | .flush = rtl_op_flush, |
0c817338 | 1143 | }; |