1 /******************************************************************************
3 * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
5 * Portions of this file are derived from the ipw3945 project, as well
6 * as portions of the ieee80211 subsystem header files.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of version 2 of the GNU General Public License as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
21 * The full GNU General Public License is included in this distribution in the
22 * file called LICENSE.
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28 *****************************************************************************/
29 #include <linux/kernel.h>
30 #include <linux/module.h>
31 #include <linux/init.h>
32 #include <linux/slab.h>
33 #include <linux/dma-mapping.h>
34 #include <linux/delay.h>
35 #include <linux/sched.h>
36 #include <linux/skbuff.h>
37 #include <linux/netdevice.h>
38 #include <linux/etherdevice.h>
39 #include <linux/if_arp.h>
41 #include <net/mac80211.h>
43 #include <asm/div64.h>
45 #include "iwl-eeprom.h"
49 #include "iwl-agn-calib.h"
51 #include "iwl-shared.h"
52 #include "iwl-trans.h"
53 #include "iwl-op-mode.h"
55 /*****************************************************************************
57 * mac80211 entry point functions
59 *****************************************************************************/
61 static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = {
64 .types = BIT(NL80211_IFTYPE_STATION),
68 .types = BIT(NL80211_IFTYPE_AP),
72 static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = {
75 .types = BIT(NL80211_IFTYPE_STATION),
79 static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = {
82 .types = BIT(NL80211_IFTYPE_STATION),
86 .types = BIT(NL80211_IFTYPE_P2P_GO) |
87 BIT(NL80211_IFTYPE_AP),
91 static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = {
94 .types = BIT(NL80211_IFTYPE_STATION),
98 .types = BIT(NL80211_IFTYPE_P2P_CLIENT),
102 static const struct ieee80211_iface_combination
103 iwlagn_iface_combinations_dualmode[] = {
104 { .num_different_channels = 1,
106 .beacon_int_infra_match = true,
107 .limits = iwlagn_sta_ap_limits,
108 .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits),
110 { .num_different_channels = 1,
112 .limits = iwlagn_2sta_limits,
113 .n_limits = ARRAY_SIZE(iwlagn_2sta_limits),
117 static const struct ieee80211_iface_combination
118 iwlagn_iface_combinations_p2p[] = {
119 { .num_different_channels = 1,
121 .beacon_int_infra_match = true,
122 .limits = iwlagn_p2p_sta_go_limits,
123 .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits),
125 { .num_different_channels = 1,
127 .limits = iwlagn_p2p_2sta_limits,
128 .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits),
133 * Not a mac80211 entry point function, but it fits in with all the
134 * other mac80211 functions grouped here.
136 int iwlagn_mac_setup_register(struct iwl_priv *priv,
137 const struct iwl_ucode_capabilities *capa)
140 struct ieee80211_hw *hw = priv->hw;
141 struct iwl_rxon_context *ctx;
143 hw->rate_control_algorithm = "iwl-agn-rs";
145 /* Tell mac80211 our characteristics */
146 hw->flags = IEEE80211_HW_SIGNAL_DBM |
147 IEEE80211_HW_AMPDU_AGGREGATION |
148 IEEE80211_HW_NEED_DTIM_PERIOD |
149 IEEE80211_HW_SPECTRUM_MGMT |
150 IEEE80211_HW_REPORTS_TX_ACK_STATUS;
153 * Including the following line will crash some AP's. This
154 * workaround removes the stimulus which causes the crash until
155 * the AP software can be fixed.
156 hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
159 hw->flags |= IEEE80211_HW_SUPPORTS_PS |
160 IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
162 if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
163 hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
164 IEEE80211_HW_SUPPORTS_STATIC_SMPS;
166 #ifndef CONFIG_IWLWIFI_EXPERIMENTAL_MFP
167 /* enable 11w if the uCode advertise */
168 if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP)
169 #endif /* !CONFIG_IWLWIFI_EXPERIMENTAL_MFP */
170 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
172 hw->sta_data_size = sizeof(struct iwl_station_priv);
173 hw->vif_data_size = sizeof(struct iwl_vif_priv);
175 for_each_context(priv, ctx) {
176 hw->wiphy->interface_modes |= ctx->interface_modes;
177 hw->wiphy->interface_modes |= ctx->exclusive_interface_modes;
180 BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
182 if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) {
183 hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p;
184 hw->wiphy->n_iface_combinations =
185 ARRAY_SIZE(iwlagn_iface_combinations_p2p);
186 } else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) {
187 hw->wiphy->iface_combinations =
188 iwlagn_iface_combinations_dualmode;
189 hw->wiphy->n_iface_combinations =
190 ARRAY_SIZE(iwlagn_iface_combinations_dualmode);
193 hw->wiphy->max_remain_on_channel_duration = 1000;
195 hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
196 WIPHY_FLAG_DISABLE_BEACON_HINTS |
199 if (priv->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
200 trans(priv)->ops->wowlan_suspend &&
201 device_can_wakeup(trans(priv)->dev)) {
202 hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
203 WIPHY_WOWLAN_DISCONNECT |
204 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
205 WIPHY_WOWLAN_RFKILL_RELEASE;
206 if (!iwlagn_mod_params.sw_crypto)
207 hw->wiphy->wowlan.flags |=
208 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
209 WIPHY_WOWLAN_GTK_REKEY_FAILURE;
211 hw->wiphy->wowlan.n_patterns = IWLAGN_WOWLAN_MAX_PATTERNS;
212 hw->wiphy->wowlan.pattern_min_len =
213 IWLAGN_WOWLAN_MIN_PATTERN_LEN;
214 hw->wiphy->wowlan.pattern_max_len =
215 IWLAGN_WOWLAN_MAX_PATTERN_LEN;
218 if (iwlagn_mod_params.power_save)
219 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
221 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
223 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
224 /* we create the 802.11 header and a zero-length SSID element */
225 hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2;
227 /* Default value; 4 EDCA QOS priorities */
230 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
232 if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
233 priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
234 &priv->bands[IEEE80211_BAND_2GHZ];
235 if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
236 priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
237 &priv->bands[IEEE80211_BAND_5GHZ];
239 hw->wiphy->hw_version = trans(priv)->hw_id;
243 ret = ieee80211_register_hw(priv->hw);
245 IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
248 priv->mac80211_registered = 1;
253 void iwlagn_mac_unregister(struct iwl_priv *priv)
255 if (!priv->mac80211_registered)
258 ieee80211_unregister_hw(priv->hw);
259 priv->mac80211_registered = 0;
262 static int __iwl_up(struct iwl_priv *priv)
264 struct iwl_rxon_context *ctx;
267 lockdep_assert_held(&priv->mutex);
269 if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
270 IWL_WARN(priv, "Exit pending; will not bring the NIC up\n");
274 for_each_context(priv, ctx) {
275 ret = iwlagn_alloc_bcast_station(priv, ctx);
277 iwl_dealloc_bcast_stations(priv);
282 ret = iwl_run_init_ucode(priv);
284 IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret);
288 ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR);
290 IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret);
294 ret = iwl_alive_start(priv);
300 set_bit(STATUS_EXIT_PENDING, &priv->status);
302 clear_bit(STATUS_EXIT_PENDING, &priv->status);
304 IWL_ERR(priv, "Unable to initialize device.\n");
308 static int iwlagn_mac_start(struct ieee80211_hw *hw)
310 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
313 IWL_DEBUG_MAC80211(priv, "enter\n");
315 /* we should be verifying the device is ready to be opened */
316 mutex_lock(&priv->mutex);
317 ret = __iwl_up(priv);
318 mutex_unlock(&priv->mutex);
322 IWL_DEBUG_INFO(priv, "Start UP work done.\n");
324 /* Now we should be done, and the READY bit should be set. */
325 if (WARN_ON(!test_bit(STATUS_READY, &priv->status)))
328 iwlagn_led_enable(priv);
331 IWL_DEBUG_MAC80211(priv, "leave\n");
335 static void iwlagn_mac_stop(struct ieee80211_hw *hw)
337 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
339 IWL_DEBUG_MAC80211(priv, "enter\n");
346 mutex_lock(&priv->mutex);
348 mutex_unlock(&priv->mutex);
350 iwl_cancel_deferred_work(priv);
352 flush_workqueue(priv->workqueue);
354 /* User space software may expect getting rfkill changes
355 * even if interface is down, trans->down will leave the RF
356 * kill interrupt enabled
358 iwl_trans_stop_hw(trans(priv));
360 IWL_DEBUG_MAC80211(priv, "leave\n");
363 static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw,
364 struct ieee80211_vif *vif,
365 struct cfg80211_gtk_rekey_data *data)
367 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
369 if (iwlagn_mod_params.sw_crypto)
372 IWL_DEBUG_MAC80211(priv, "enter\n");
373 mutex_lock(&priv->mutex);
375 if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif)
378 memcpy(priv->kek, data->kek, NL80211_KEK_LEN);
379 memcpy(priv->kck, data->kck, NL80211_KCK_LEN);
381 cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr));
382 priv->have_rekey_data = true;
385 mutex_unlock(&priv->mutex);
386 IWL_DEBUG_MAC80211(priv, "leave\n");
389 #ifdef CONFIG_PM_SLEEP
391 static int iwlagn_mac_suspend(struct ieee80211_hw *hw,
392 struct cfg80211_wowlan *wowlan)
394 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
395 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
398 if (WARN_ON(!wowlan))
401 IWL_DEBUG_MAC80211(priv, "enter\n");
402 mutex_lock(&priv->mutex);
404 /* Don't attempt WoWLAN when not associated, tear down instead. */
405 if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION ||
406 !iwl_is_associated_ctx(ctx)) {
411 ret = iwlagn_suspend(priv, wowlan);
415 device_set_wakeup_enable(trans(priv)->dev, true);
417 iwl_trans_wowlan_suspend(trans(priv));
422 priv->wowlan = false;
423 iwlagn_prepare_restart(priv);
424 ieee80211_restart_hw(priv->hw);
426 mutex_unlock(&priv->mutex);
427 IWL_DEBUG_MAC80211(priv, "leave\n");
432 static int iwlagn_mac_resume(struct ieee80211_hw *hw)
434 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
435 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
436 struct ieee80211_vif *vif;
438 u32 base, status = 0xffffffff;
440 const struct fw_img *img;
442 IWL_DEBUG_MAC80211(priv, "enter\n");
443 mutex_lock(&priv->mutex);
445 iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR,
446 CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE);
448 base = priv->shrd->device_pointers.error_event_table;
449 if (iwlagn_hw_valid_rtc_data_addr(base)) {
450 spin_lock_irqsave(&trans(priv)->reg_lock, flags);
451 ret = iwl_grab_nic_access_silent(trans(priv));
452 if (likely(ret == 0)) {
453 iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, base);
454 status = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
455 iwl_release_nic_access(trans(priv));
457 spin_unlock_irqrestore(&trans(priv)->reg_lock, flags);
459 #ifdef CONFIG_IWLWIFI_DEBUGFS
461 img = &(priv->fw->img[IWL_UCODE_WOWLAN]);
462 if (!priv->wowlan_sram) {
464 kzalloc(img->sec[IWL_UCODE_SECTION_DATA].len,
468 if (priv->wowlan_sram)
469 _iwl_read_targ_mem_words(
470 trans(priv), 0x800000,
472 img->sec[IWL_UCODE_SECTION_DATA].len / 4);
477 /* we'll clear ctx->vif during iwlagn_prepare_restart() */
480 priv->wowlan = false;
482 device_set_wakeup_enable(trans(priv)->dev, false);
484 iwlagn_prepare_restart(priv);
486 memset((void *)&ctx->active, 0, sizeof(ctx->active));
487 iwl_connection_init_rx_config(priv, ctx);
488 iwlagn_set_rxon_chain(priv, ctx);
490 mutex_unlock(&priv->mutex);
491 IWL_DEBUG_MAC80211(priv, "leave\n");
493 ieee80211_resume_disconnect(vif);
500 static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
502 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
504 IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
505 ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
507 if (iwlagn_tx_skb(priv, skb))
508 dev_kfree_skb_any(skb);
511 static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
512 struct ieee80211_vif *vif,
513 struct ieee80211_key_conf *keyconf,
514 struct ieee80211_sta *sta,
515 u32 iv32, u16 *phase1key)
517 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
519 iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key);
522 static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
523 struct ieee80211_vif *vif,
524 struct ieee80211_sta *sta,
525 struct ieee80211_key_conf *key)
527 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
528 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
529 struct iwl_rxon_context *ctx = vif_priv->ctx;
531 bool is_default_wep_key = false;
533 IWL_DEBUG_MAC80211(priv, "enter\n");
535 if (iwlagn_mod_params.sw_crypto) {
536 IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n");
540 switch (key->cipher) {
541 case WLAN_CIPHER_SUITE_TKIP:
542 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
544 case WLAN_CIPHER_SUITE_CCMP:
545 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
552 * We could program these keys into the hardware as well, but we
553 * don't expect much multicast traffic in IBSS and having keys
554 * for more stations is probably more useful.
556 * Mark key TX-only and return 0.
558 if (vif->type == NL80211_IFTYPE_ADHOC &&
559 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
560 key->hw_key_idx = WEP_INVALID_OFFSET;
564 /* If they key was TX-only, accept deletion */
565 if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET)
568 mutex_lock(&priv->mutex);
569 iwl_scan_cancel_timeout(priv, 100);
571 BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT);
574 * If we are getting WEP group key and we didn't receive any key mapping
575 * so far, we are in legacy wep mode (group key only), otherwise we are
577 * In legacy wep mode, we use another host command to the uCode.
579 if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
580 key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) {
582 is_default_wep_key = !ctx->key_mapping_keys;
585 key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT;
591 if (is_default_wep_key) {
592 ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key);
595 ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta);
598 * can't add key for RX, but we don't need it
599 * in the device for TX so still return 0
602 key->hw_key_idx = WEP_INVALID_OFFSET;
605 IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n");
608 if (is_default_wep_key)
609 ret = iwl_remove_default_wep_key(priv, ctx, key);
611 ret = iwl_remove_dynamic_key(priv, ctx, key, sta);
613 IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n");
619 mutex_unlock(&priv->mutex);
620 IWL_DEBUG_MAC80211(priv, "leave\n");
625 static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
626 struct ieee80211_vif *vif,
627 enum ieee80211_ampdu_mlme_action action,
628 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
631 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
633 struct iwl_station_priv *sta_priv = (void *) sta->drv_priv;
635 IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
638 if (!(hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE))
641 IWL_DEBUG_MAC80211(priv, "enter\n");
642 mutex_lock(&priv->mutex);
645 case IEEE80211_AMPDU_RX_START:
646 if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
648 IWL_DEBUG_HT(priv, "start Rx\n");
649 ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn);
651 case IEEE80211_AMPDU_RX_STOP:
652 IWL_DEBUG_HT(priv, "stop Rx\n");
653 ret = iwl_sta_rx_agg_stop(priv, sta, tid);
655 case IEEE80211_AMPDU_TX_START:
656 if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
658 IWL_DEBUG_HT(priv, "start Tx\n");
659 ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
661 case IEEE80211_AMPDU_TX_STOP:
662 IWL_DEBUG_HT(priv, "stop Tx\n");
663 ret = iwlagn_tx_agg_stop(priv, vif, sta, tid);
664 if ((ret == 0) && (priv->agg_tids_count > 0)) {
665 priv->agg_tids_count--;
666 IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n",
667 priv->agg_tids_count);
669 if (!priv->agg_tids_count &&
670 hw_params(priv).use_rts_for_aggregation) {
672 * switch off RTS/CTS if it was previously enabled
674 sta_priv->lq_sta.lq.general_params.flags &=
675 ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
676 iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
677 &sta_priv->lq_sta.lq, CMD_ASYNC, false);
680 case IEEE80211_AMPDU_TX_OPERATIONAL:
681 ret = iwlagn_tx_agg_oper(priv, vif, sta, tid, buf_size);
684 mutex_unlock(&priv->mutex);
685 IWL_DEBUG_MAC80211(priv, "leave\n");
689 static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
690 struct ieee80211_vif *vif,
691 struct ieee80211_sta *sta)
693 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
694 struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
695 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
696 bool is_ap = vif->type == NL80211_IFTYPE_STATION;
700 IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n",
702 sta_priv->sta_id = IWL_INVALID_STATION;
704 atomic_set(&sta_priv->pending_frames, 0);
705 if (vif->type == NL80211_IFTYPE_AP)
706 sta_priv->client = true;
708 ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr,
709 is_ap, sta, &sta_id);
711 IWL_ERR(priv, "Unable to add station %pM (%d)\n",
713 /* Should we return success if return code is EEXIST ? */
717 sta_priv->sta_id = sta_id;
722 static int iwlagn_mac_sta_remove(struct ieee80211_hw *hw,
723 struct ieee80211_vif *vif,
724 struct ieee80211_sta *sta)
726 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
727 struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
730 IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n", sta->addr);
732 if (vif->type == NL80211_IFTYPE_STATION) {
734 * Station will be removed from device when the RXON
735 * is set to unassociated -- just deactivate it here
736 * to avoid re-programming it.
739 iwl_deactivate_station(priv, sta_priv->sta_id, sta->addr);
741 ret = iwl_remove_station(priv, sta_priv->sta_id, sta->addr);
743 IWL_DEBUG_QUIET_RFKILL(priv,
744 "Error removing station %pM\n", sta->addr);
749 static int iwlagn_mac_sta_state(struct ieee80211_hw *hw,
750 struct ieee80211_vif *vif,
751 struct ieee80211_sta *sta,
752 enum ieee80211_sta_state old_state,
753 enum ieee80211_sta_state new_state)
755 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
756 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
758 NONE, ADD, REMOVE, HT_RATE_INIT, ADD_RATE_INIT,
762 IWL_DEBUG_MAC80211(priv, "station %pM state change %d->%d\n",
763 sta->addr, old_state, new_state);
765 mutex_lock(&priv->mutex);
766 if (vif->type == NL80211_IFTYPE_STATION) {
767 if (old_state == IEEE80211_STA_NOTEXIST &&
768 new_state == IEEE80211_STA_NONE)
770 else if (old_state == IEEE80211_STA_NONE &&
771 new_state == IEEE80211_STA_NOTEXIST)
773 else if (old_state == IEEE80211_STA_AUTH &&
774 new_state == IEEE80211_STA_ASSOC)
777 if (old_state == IEEE80211_STA_AUTH &&
778 new_state == IEEE80211_STA_ASSOC)
780 else if (old_state == IEEE80211_STA_ASSOC &&
781 new_state == IEEE80211_STA_AUTH)
787 ret = iwlagn_mac_sta_add(hw, vif, sta);
790 ret = iwlagn_mac_sta_remove(hw, vif, sta);
793 ret = iwlagn_mac_sta_add(hw, vif, sta);
796 /* Initialize rate scaling */
798 "Initializing rate scaling for station %pM\n",
800 iwl_rs_rate_init(priv, sta, iwl_sta_id(sta));
804 /* Initialize rate scaling */
805 ret = iwl_sta_update_ht(priv, vif_priv->ctx, sta);
809 "Initializing rate scaling for station %pM\n",
811 iwl_rs_rate_init(priv, sta, iwl_sta_id(sta));
820 * mac80211 might WARN if we fail, but due the way we
821 * (badly) handle hard rfkill, we might fail here
823 if (iwl_is_rfkill(priv))
826 mutex_unlock(&priv->mutex);
827 IWL_DEBUG_MAC80211(priv, "leave\n");
832 static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
833 struct ieee80211_channel_switch *ch_switch)
835 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
836 const struct iwl_channel_info *ch_info;
837 struct ieee80211_conf *conf = &hw->conf;
838 struct ieee80211_channel *channel = ch_switch->channel;
839 struct iwl_ht_config *ht_conf = &priv->current_ht_config;
842 * When we add support for multiple interfaces, we need to
843 * revisit this. The channel switch command in the device
844 * only affects the BSS context, but what does that really
845 * mean? And what if we get a CSA on the second interface?
846 * This needs a lot of work.
848 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
851 IWL_DEBUG_MAC80211(priv, "enter\n");
853 mutex_lock(&priv->mutex);
855 if (iwl_is_rfkill(priv))
858 if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
859 test_bit(STATUS_SCANNING, &priv->status) ||
860 test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status))
863 if (!iwl_is_associated_ctx(ctx))
866 if (!cfg(priv)->lib->set_channel_switch)
869 ch = channel->hw_value;
870 if (le16_to_cpu(ctx->active.channel) == ch)
873 ch_info = iwl_get_channel_info(priv, channel->band, ch);
874 if (!is_channel_valid(ch_info)) {
875 IWL_DEBUG_MAC80211(priv, "invalid channel\n");
879 priv->current_ht_config.smps = conf->smps_mode;
881 /* Configure HT40 channels */
882 ctx->ht.enabled = conf_is_ht(conf);
884 iwlagn_config_ht40(conf, ctx);
886 ctx->ht.is_40mhz = false;
888 if ((le16_to_cpu(ctx->staging.channel) != ch))
889 ctx->staging.flags = 0;
891 iwl_set_rxon_channel(priv, channel, ctx);
892 iwl_set_rxon_ht(priv, ht_conf);
893 iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif);
897 * at this point, staging_rxon has the
898 * configuration for channel switch
900 set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status);
901 priv->switch_channel = cpu_to_le16(ch);
902 if (cfg(priv)->lib->set_channel_switch(priv, ch_switch)) {
903 clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status);
904 priv->switch_channel = 0;
905 ieee80211_chswitch_done(ctx->vif, false);
909 mutex_unlock(&priv->mutex);
910 IWL_DEBUG_MAC80211(priv, "leave\n");
913 static void iwlagn_configure_filter(struct ieee80211_hw *hw,
914 unsigned int changed_flags,
915 unsigned int *total_flags,
918 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
919 __le32 filter_or = 0, filter_nand = 0;
920 struct iwl_rxon_context *ctx;
922 #define CHK(test, flag) do { \
923 if (*total_flags & (test)) \
924 filter_or |= (flag); \
926 filter_nand |= (flag); \
929 IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n",
930 changed_flags, *total_flags);
932 CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK);
933 /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */
934 CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK);
935 CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK);
939 mutex_lock(&priv->mutex);
941 for_each_context(priv, ctx) {
942 ctx->staging.filter_flags &= ~filter_nand;
943 ctx->staging.filter_flags |= filter_or;
946 * Not committing directly because hardware can perform a scan,
947 * but we'll eventually commit the filter flags change anyway.
951 mutex_unlock(&priv->mutex);
954 * Receiving all multicast frames is always enabled by the
955 * default flags setup in iwl_connection_init_rx_config()
956 * since we currently do not support programming multicast
957 * filters into the device.
959 *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS |
960 FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL;
963 static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop)
965 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
967 mutex_lock(&priv->mutex);
968 IWL_DEBUG_MAC80211(priv, "enter\n");
970 if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
971 IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n");
974 if (iwl_is_rfkill(priv)) {
975 IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n");
980 * mac80211 will not push any more frames for transmit
981 * until the flush is completed
984 IWL_DEBUG_MAC80211(priv, "send flush command\n");
985 if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) {
986 IWL_ERR(priv, "flush request fail\n");
990 IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n");
991 iwl_trans_wait_tx_queue_empty(trans(priv));
993 mutex_unlock(&priv->mutex);
994 IWL_DEBUG_MAC80211(priv, "leave\n");
997 static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw,
998 struct ieee80211_channel *channel,
999 enum nl80211_channel_type channel_type,
1002 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1003 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
1006 if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
1009 if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)))
1012 IWL_DEBUG_MAC80211(priv, "enter\n");
1013 mutex_lock(&priv->mutex);
1015 if (test_bit(STATUS_SCAN_HW, &priv->status)) {
1020 priv->hw_roc_channel = channel;
1021 priv->hw_roc_chantype = channel_type;
1022 /* convert from ms to TU */
1023 priv->hw_roc_duration = DIV_ROUND_UP(1000 * duration, 1024);
1024 priv->hw_roc_start_notified = false;
1025 cancel_delayed_work(&priv->hw_roc_disable_work);
1027 if (!ctx->is_active) {
1028 static const struct iwl_qos_info default_qos_data = {
1031 .cw_min = cpu_to_le16(3),
1032 .cw_max = cpu_to_le16(7),
1034 .edca_txop = cpu_to_le16(1504),
1037 .cw_min = cpu_to_le16(7),
1038 .cw_max = cpu_to_le16(15),
1040 .edca_txop = cpu_to_le16(3008),
1043 .cw_min = cpu_to_le16(15),
1044 .cw_max = cpu_to_le16(1023),
1048 .cw_min = cpu_to_le16(15),
1049 .cw_max = cpu_to_le16(1023),
1055 ctx->is_active = true;
1056 ctx->qos_data = default_qos_data;
1057 ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
1058 memcpy(ctx->staging.node_addr,
1059 priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr,
1061 memcpy(ctx->staging.bssid_addr,
1062 priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr,
1064 err = iwlagn_commit_rxon(priv, ctx);
1067 ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK |
1068 RXON_FILTER_PROMISC_MSK |
1069 RXON_FILTER_CTL2HOST_MSK;
1071 err = iwlagn_commit_rxon(priv, ctx);
1073 iwlagn_disable_roc(priv);
1076 priv->hw_roc_setup = true;
1079 err = iwl_scan_initiate(priv, ctx->vif, IWL_SCAN_ROC, channel->band);
1081 iwlagn_disable_roc(priv);
1084 mutex_unlock(&priv->mutex);
1085 IWL_DEBUG_MAC80211(priv, "leave\n");
1090 static int iwlagn_mac_cancel_remain_on_channel(struct ieee80211_hw *hw)
1092 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1094 if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
1097 IWL_DEBUG_MAC80211(priv, "enter\n");
1098 mutex_lock(&priv->mutex);
1099 iwl_scan_cancel_timeout(priv, priv->hw_roc_duration);
1100 iwlagn_disable_roc(priv);
1101 mutex_unlock(&priv->mutex);
1102 IWL_DEBUG_MAC80211(priv, "leave\n");
1107 static void iwlagn_mac_rssi_callback(struct ieee80211_hw *hw,
1108 enum ieee80211_rssi_event rssi_event)
1110 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1112 IWL_DEBUG_MAC80211(priv, "enter\n");
1113 mutex_lock(&priv->mutex);
1115 if (cfg(priv)->bt_params &&
1116 cfg(priv)->bt_params->advanced_bt_coexist) {
1117 if (rssi_event == RSSI_EVENT_LOW)
1118 priv->bt_enable_pspoll = true;
1119 else if (rssi_event == RSSI_EVENT_HIGH)
1120 priv->bt_enable_pspoll = false;
1122 iwlagn_send_advance_bt_config(priv);
1124 IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled,"
1125 "ignoring RSSI callback\n");
1128 mutex_unlock(&priv->mutex);
1129 IWL_DEBUG_MAC80211(priv, "leave\n");
1132 static int iwlagn_mac_set_tim(struct ieee80211_hw *hw,
1133 struct ieee80211_sta *sta, bool set)
1135 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1137 queue_work(priv->workqueue, &priv->beacon_update);
1142 static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw,
1143 struct ieee80211_vif *vif, u16 queue,
1144 const struct ieee80211_tx_queue_params *params)
1146 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1147 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
1148 struct iwl_rxon_context *ctx = vif_priv->ctx;
1154 IWL_DEBUG_MAC80211(priv, "enter\n");
1156 if (!iwl_is_ready_rf(priv)) {
1157 IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
1161 if (queue >= AC_NUM) {
1162 IWL_DEBUG_MAC80211(priv, "leave - queue >= AC_NUM %d\n", queue);
1166 q = AC_NUM - 1 - queue;
1168 mutex_lock(&priv->mutex);
1170 ctx->qos_data.def_qos_parm.ac[q].cw_min =
1171 cpu_to_le16(params->cw_min);
1172 ctx->qos_data.def_qos_parm.ac[q].cw_max =
1173 cpu_to_le16(params->cw_max);
1174 ctx->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
1175 ctx->qos_data.def_qos_parm.ac[q].edca_txop =
1176 cpu_to_le16((params->txop * 32));
1178 ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0;
1180 mutex_unlock(&priv->mutex);
1182 IWL_DEBUG_MAC80211(priv, "leave\n");
1186 static int iwlagn_mac_tx_last_beacon(struct ieee80211_hw *hw)
1188 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1190 return priv->ibss_manager == IWL_IBSS_MANAGER;
1193 static int iwl_set_mode(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
1195 iwl_connection_init_rx_config(priv, ctx);
1197 iwlagn_set_rxon_chain(priv, ctx);
1199 return iwlagn_commit_rxon(priv, ctx);
1202 static int iwl_setup_interface(struct iwl_priv *priv,
1203 struct iwl_rxon_context *ctx)
1205 struct ieee80211_vif *vif = ctx->vif;
1208 lockdep_assert_held(&priv->mutex);
1211 * This variable will be correct only when there's just
1212 * a single context, but all code using it is for hardware
1213 * that supports only one context.
1215 priv->iw_mode = vif->type;
1217 ctx->is_active = true;
1219 err = iwl_set_mode(priv, ctx);
1221 if (!ctx->always_active)
1222 ctx->is_active = false;
1226 if (cfg(priv)->bt_params && cfg(priv)->bt_params->advanced_bt_coexist &&
1227 vif->type == NL80211_IFTYPE_ADHOC) {
1229 * pretend to have high BT traffic as long as we
1230 * are operating in IBSS mode, as this will cause
1231 * the rate scaling etc. to behave as intended.
1233 priv->bt_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_HIGH;
1239 static int iwlagn_mac_add_interface(struct ieee80211_hw *hw,
1240 struct ieee80211_vif *vif)
1242 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1243 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
1244 struct iwl_rxon_context *tmp, *ctx = NULL;
1246 enum nl80211_iftype viftype = ieee80211_vif_type_p2p(vif);
1248 IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n",
1249 viftype, vif->addr);
1251 cancel_delayed_work_sync(&priv->hw_roc_disable_work);
1253 mutex_lock(&priv->mutex);
1255 iwlagn_disable_roc(priv);
1257 if (!iwl_is_ready_rf(priv)) {
1258 IWL_WARN(priv, "Try to add interface when device not ready\n");
1263 for_each_context(priv, tmp) {
1264 u32 possible_modes =
1265 tmp->interface_modes | tmp->exclusive_interface_modes;
1268 /* check if this busy context is exclusive */
1269 if (tmp->exclusive_interface_modes &
1270 BIT(tmp->vif->type)) {
1277 if (!(possible_modes & BIT(viftype)))
1280 /* have maybe usable context w/o interface */
1290 vif_priv->ctx = ctx;
1293 err = iwl_setup_interface(priv, ctx);
1298 priv->iw_mode = NL80211_IFTYPE_STATION;
1300 mutex_unlock(&priv->mutex);
1302 IWL_DEBUG_MAC80211(priv, "leave\n");
1306 static void iwl_teardown_interface(struct iwl_priv *priv,
1307 struct ieee80211_vif *vif,
1310 struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
1312 lockdep_assert_held(&priv->mutex);
1314 if (priv->scan_vif == vif) {
1315 iwl_scan_cancel_timeout(priv, 200);
1316 iwl_force_scan_end(priv);
1320 iwl_set_mode(priv, ctx);
1321 if (!ctx->always_active)
1322 ctx->is_active = false;
1326 * When removing the IBSS interface, overwrite the
1327 * BT traffic load with the stored one from the last
1328 * notification, if any. If this is a device that
1329 * doesn't implement this, this has no effect since
1330 * both values are the same and zero.
1332 if (vif->type == NL80211_IFTYPE_ADHOC)
1333 priv->bt_traffic_load = priv->last_bt_traffic_load;
1336 static void iwlagn_mac_remove_interface(struct ieee80211_hw *hw,
1337 struct ieee80211_vif *vif)
1339 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1340 struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
1342 IWL_DEBUG_MAC80211(priv, "enter\n");
1344 mutex_lock(&priv->mutex);
1346 if (WARN_ON(ctx->vif != vif)) {
1347 struct iwl_rxon_context *tmp;
1348 IWL_ERR(priv, "ctx->vif = %p, vif = %p\n", ctx->vif, vif);
1349 for_each_context(priv, tmp)
1350 IWL_ERR(priv, "\tID = %d:\tctx = %p\tctx->vif = %p\n",
1351 tmp->ctxid, tmp, tmp->vif);
1355 iwl_teardown_interface(priv, vif, false);
1357 mutex_unlock(&priv->mutex);
1359 IWL_DEBUG_MAC80211(priv, "leave\n");
1363 static int iwlagn_mac_change_interface(struct ieee80211_hw *hw,
1364 struct ieee80211_vif *vif,
1365 enum nl80211_iftype newtype, bool newp2p)
1367 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1368 struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
1369 struct iwl_rxon_context *bss_ctx = &priv->contexts[IWL_RXON_CTX_BSS];
1370 struct iwl_rxon_context *tmp;
1371 enum nl80211_iftype newviftype = newtype;
1372 u32 interface_modes;
1375 IWL_DEBUG_MAC80211(priv, "enter\n");
1377 newtype = ieee80211_iftype_p2p(newtype, newp2p);
1379 mutex_lock(&priv->mutex);
1381 if (!ctx->vif || !iwl_is_ready_rf(priv)) {
1383 * Huh? But wait ... this can maybe happen when
1384 * we're in the middle of a firmware restart!
1390 interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes;
1392 if (!(interface_modes & BIT(newtype))) {
1398 * Refuse a change that should be done by moving from the PAN
1399 * context to the BSS context instead, if the BSS context is
1400 * available and can support the new interface type.
1402 if (ctx->ctxid == IWL_RXON_CTX_PAN && !bss_ctx->vif &&
1403 (bss_ctx->interface_modes & BIT(newtype) ||
1404 bss_ctx->exclusive_interface_modes & BIT(newtype))) {
1405 BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
1410 if (ctx->exclusive_interface_modes & BIT(newtype)) {
1411 for_each_context(priv, tmp) {
1419 * The current mode switch would be exclusive, but
1420 * another context is active ... refuse the switch.
1428 iwl_teardown_interface(priv, vif, true);
1429 vif->type = newviftype;
1431 err = iwl_setup_interface(priv, ctx);
1434 * We've switched internally, but submitting to the
1435 * device may have failed for some reason. Mask this
1436 * error, because otherwise mac80211 will not switch
1437 * (and set the interface type back) and we'll be
1438 * out of sync with it.
1443 mutex_unlock(&priv->mutex);
1444 IWL_DEBUG_MAC80211(priv, "leave\n");
1449 static int iwlagn_mac_hw_scan(struct ieee80211_hw *hw,
1450 struct ieee80211_vif *vif,
1451 struct cfg80211_scan_request *req)
1453 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1456 IWL_DEBUG_MAC80211(priv, "enter\n");
1458 if (req->n_channels == 0)
1461 mutex_lock(&priv->mutex);
1464 * If an internal scan is in progress, just set
1465 * up the scan_request as per above.
1467 if (priv->scan_type != IWL_SCAN_NORMAL) {
1468 IWL_DEBUG_SCAN(priv,
1469 "SCAN request during internal scan - defer\n");
1470 priv->scan_request = req;
1471 priv->scan_vif = vif;
1474 priv->scan_request = req;
1475 priv->scan_vif = vif;
1477 * mac80211 will only ask for one band at a time
1478 * so using channels[0] here is ok
1480 ret = iwl_scan_initiate(priv, vif, IWL_SCAN_NORMAL,
1481 req->channels[0]->band);
1483 priv->scan_request = NULL;
1484 priv->scan_vif = NULL;
1488 IWL_DEBUG_MAC80211(priv, "leave\n");
1490 mutex_unlock(&priv->mutex);
1495 static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
1497 struct iwl_addsta_cmd cmd = {
1498 .mode = STA_CONTROL_MODIFY_MSK,
1499 .station_flags_msk = STA_FLG_PWR_SAVE_MSK,
1500 .sta.sta_id = sta_id,
1503 iwl_send_add_sta(priv, &cmd, CMD_ASYNC);
1506 static void iwlagn_mac_sta_notify(struct ieee80211_hw *hw,
1507 struct ieee80211_vif *vif,
1508 enum sta_notify_cmd cmd,
1509 struct ieee80211_sta *sta)
1511 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
1512 struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
1515 IWL_DEBUG_MAC80211(priv, "enter\n");
1518 case STA_NOTIFY_SLEEP:
1519 WARN_ON(!sta_priv->client);
1520 sta_priv->asleep = true;
1521 if (atomic_read(&sta_priv->pending_frames) > 0)
1522 ieee80211_sta_block_awake(hw, sta, true);
1524 case STA_NOTIFY_AWAKE:
1525 WARN_ON(!sta_priv->client);
1526 if (!sta_priv->asleep)
1528 sta_priv->asleep = false;
1529 sta_id = iwl_sta_id(sta);
1530 if (sta_id != IWL_INVALID_STATION)
1531 iwl_sta_modify_ps_wake(priv, sta_id);
1536 IWL_DEBUG_MAC80211(priv, "leave\n");
1539 struct ieee80211_ops iwlagn_hw_ops = {
1540 .tx = iwlagn_mac_tx,
1541 .start = iwlagn_mac_start,
1542 .stop = iwlagn_mac_stop,
1543 #ifdef CONFIG_PM_SLEEP
1544 .suspend = iwlagn_mac_suspend,
1545 .resume = iwlagn_mac_resume,
1547 .add_interface = iwlagn_mac_add_interface,
1548 .remove_interface = iwlagn_mac_remove_interface,
1549 .change_interface = iwlagn_mac_change_interface,
1550 .config = iwlagn_mac_config,
1551 .configure_filter = iwlagn_configure_filter,
1552 .set_key = iwlagn_mac_set_key,
1553 .update_tkip_key = iwlagn_mac_update_tkip_key,
1554 .set_rekey_data = iwlagn_mac_set_rekey_data,
1555 .conf_tx = iwlagn_mac_conf_tx,
1556 .bss_info_changed = iwlagn_bss_info_changed,
1557 .ampdu_action = iwlagn_mac_ampdu_action,
1558 .hw_scan = iwlagn_mac_hw_scan,
1559 .sta_notify = iwlagn_mac_sta_notify,
1560 .sta_state = iwlagn_mac_sta_state,
1561 .channel_switch = iwlagn_mac_channel_switch,
1562 .flush = iwlagn_mac_flush,
1563 .tx_last_beacon = iwlagn_mac_tx_last_beacon,
1564 .remain_on_channel = iwlagn_mac_remain_on_channel,
1565 .cancel_remain_on_channel = iwlagn_mac_cancel_remain_on_channel,
1566 .rssi_callback = iwlagn_mac_rssi_callback,
1567 CFG80211_TESTMODE_CMD(iwlagn_mac_testmode_cmd)
1568 CFG80211_TESTMODE_DUMP(iwlagn_mac_testmode_dump)
1569 .set_tim = iwlagn_mac_set_tim,
1572 /* This function both allocates and initializes hw and priv. */
1573 struct ieee80211_hw *iwl_alloc_all(void)
1575 struct iwl_priv *priv;
1576 struct iwl_op_mode *op_mode;
1577 /* mac80211 allocates memory for this device instance, including
1578 * space for this driver's private structure */
1579 struct ieee80211_hw *hw;
1581 hw = ieee80211_alloc_hw(sizeof(struct iwl_priv) +
1582 sizeof(struct iwl_op_mode), &iwlagn_hw_ops);
1587 priv = IWL_OP_MODE_GET_DVM(op_mode);