1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2009 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *****************************************************************************/
63 #ifndef __iwl_core_h__
64 #define __iwl_core_h__
66 /************************
67 * forward declarations *
68 ************************/
73 #define IWLWIFI_VERSION "1.3.27k"
74 #define DRV_COPYRIGHT "Copyright(c) 2003-2009 Intel Corporation"
75 #define DRV_AUTHOR "<ilw@linux.intel.com>"
77 #define IWL_PCI_DEVICE(dev, subdev, cfg) \
78 .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
79 .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
80 .driver_data = (kernel_ulong_t)&(cfg)
87 int (*rxon_assoc)(struct iwl_priv *priv);
88 int (*commit_rxon)(struct iwl_priv *priv);
90 struct iwl_hcmd_utils_ops {
91 u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
92 u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data);
93 void (*gain_computation)(struct iwl_priv *priv,
95 u16 min_average_noise_antennat_i,
96 u32 min_average_noise);
97 void (*chain_noise_reset)(struct iwl_priv *priv);
98 void (*rts_tx_cmd_flag)(struct ieee80211_tx_info *info,
100 int (*calc_rssi)(struct iwl_priv *priv,
101 struct iwl_rx_phy_res *rx_resp);
105 /* set hw dependent parameters */
106 int (*set_hw_params)(struct iwl_priv *priv);
108 void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
109 struct iwl_tx_queue *txq,
111 void (*txq_inval_byte_cnt_tbl)(struct iwl_priv *priv,
112 struct iwl_tx_queue *txq);
113 void (*txq_set_sched)(struct iwl_priv *priv, u32 mask);
114 int (*txq_attach_buf_to_tfd)(struct iwl_priv *priv,
115 struct iwl_tx_queue *txq,
117 u16 len, u8 reset, u8 pad);
118 void (*txq_free_tfd)(struct iwl_priv *priv,
119 struct iwl_tx_queue *txq);
120 int (*txq_init)(struct iwl_priv *priv,
121 struct iwl_tx_queue *txq);
123 int (*txq_agg_enable)(struct iwl_priv *priv, int txq_id, int tx_fifo,
124 int sta_id, int tid, u16 ssn_idx);
125 int (*txq_agg_disable)(struct iwl_priv *priv, u16 txq_id, u16 ssn_idx,
127 /* setup Rx handler */
128 void (*rx_handler_setup)(struct iwl_priv *priv);
129 /* setup deferred work */
130 void (*setup_deferred_work)(struct iwl_priv *priv);
131 /* cancel deferred work */
132 void (*cancel_deferred_work)(struct iwl_priv *priv);
133 /* alive notification after init uCode load */
134 void (*init_alive_start)(struct iwl_priv *priv);
135 /* alive notification */
136 int (*alive_notify)(struct iwl_priv *priv);
137 /* check validity of rtc data address */
138 int (*is_valid_rtc_data_addr)(u32 addr);
140 int (*load_ucode)(struct iwl_priv *priv);
141 /* power management */
143 int (*init)(struct iwl_priv *priv);
144 int (*reset)(struct iwl_priv *priv);
145 void (*stop)(struct iwl_priv *priv);
146 void (*config)(struct iwl_priv *priv);
147 int (*set_pwr_src)(struct iwl_priv *priv, enum iwl_pwr_src src);
150 int (*send_tx_power) (struct iwl_priv *priv);
151 void (*update_chain_flags)(struct iwl_priv *priv);
152 void (*temperature) (struct iwl_priv *priv);
153 void (*post_associate) (struct iwl_priv *priv);
155 /* eeprom operations (as defined in iwl-eeprom.h) */
156 struct iwl_eeprom_ops eeprom_ops;
160 const struct iwl_lib_ops *lib;
161 const struct iwl_hcmd_ops *hcmd;
162 const struct iwl_hcmd_utils_ops *utils;
165 struct iwl_mod_params {
166 int disable; /* def: 0 = enable radio */
167 int sw_crypto; /* def: 0 = using hardware encryption */
168 u32 debug; /* def: 0 = minimal debug log messages */
169 int disable_hw_scan; /* def: 0 = use h/w scan */
170 int num_of_queues; /* def: HW dependent */
171 int num_of_ampdu_queues;/* def: HW dependent */
172 int disable_11n; /* def: 0 = disable 11n capabilities */
173 int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
174 int antenna; /* def: 0 = both antennas (use diversity) */
175 int restart_fw; /* def: 1 = restart firmware */
180 * @fw_name_pre: Firmware filename prefix. The api version and extension
181 * (.ucode) will be added to filename before loading from disk. The
182 * filename is constructed as fw_name_pre<api>.ucode.
183 * @ucode_api_max: Highest version of uCode API supported by driver.
184 * @ucode_api_min: Lowest version of uCode API supported by driver.
186 * We enable the driver to be backward compatible wrt API version. The
187 * driver specifies which APIs it supports (with @ucode_api_max being the
188 * highest and @ucode_api_min the lowest). Firmware will only be loaded if
189 * it has a supported API version. The firmware's API version will be
190 * stored in @iwl_priv, enabling the driver to make runtime changes based
191 * on firmware version used.
194 * if (IWL_UCODE_API(priv->ucode_ver) >= 2) {
195 * Driver interacts with Firmware API version >= 2.
197 * Driver interacts with Firmware API version 1.
200 * The ideal usage of this infrastructure is to treat a new ucode API
201 * release as a new hardware revision. That is, through utilizing the
202 * iwl_hcmd_utils_ops etc. we accommodate different command structures
203 * and flows between hardware versions (4965/5000) as well as their API
208 const char *fw_name_pre;
209 const unsigned int ucode_api_max;
210 const unsigned int ucode_api_min;
214 u16 eeprom_calib_ver;
215 const struct iwl_ops *ops;
216 const struct iwl_mod_params *mod_params;
222 /***************************
224 ***************************/
226 struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
227 struct ieee80211_ops *hw_ops);
228 void iwl_hw_detect(struct iwl_priv *priv);
229 void iwl_reset_qos(struct iwl_priv *priv);
230 void iwl_activate_qos(struct iwl_priv *priv, u8 force);
231 int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
232 const struct ieee80211_tx_queue_params *params);
233 void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt);
234 int iwl_check_rxon_cmd(struct iwl_priv *priv);
235 int iwl_full_rxon_required(struct iwl_priv *priv);
236 void iwl_set_rxon_chain(struct iwl_priv *priv);
237 int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch);
238 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info);
239 u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
240 struct ieee80211_sta_ht_cap *sta_ht_inf);
241 void iwl_set_flags_for_band(struct iwl_priv *priv, enum ieee80211_band band);
242 void iwl_connection_init_rx_config(struct iwl_priv *priv, int mode);
243 int iwl_set_decrypted_flag(struct iwl_priv *priv,
244 struct ieee80211_hdr *hdr,
246 struct ieee80211_rx_status *stats);
247 void iwl_irq_handle_error(struct iwl_priv *priv);
248 void iwl_configure_filter(struct ieee80211_hw *hw,
249 unsigned int changed_flags,
250 unsigned int *total_flags,
251 int mc_count, struct dev_addr_list *mc_list);
252 int iwl_hw_nic_init(struct iwl_priv *priv);
253 int iwl_setup_mac(struct iwl_priv *priv);
254 int iwl_set_hw_params(struct iwl_priv *priv);
255 int iwl_init_drv(struct iwl_priv *priv);
256 void iwl_uninit_drv(struct iwl_priv *priv);
257 void iwl_post_associate(struct iwl_priv *priv);
258 void iwl_bss_info_changed(struct ieee80211_hw *hw,
259 struct ieee80211_vif *vif,
260 struct ieee80211_bss_conf *bss_conf,
262 int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb);
263 int iwl_commit_rxon(struct iwl_priv *priv);
265 /*****************************************************
267 * **************************************************/
268 void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
269 struct iwl_rx_mem_buffer *rxb);
270 void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
271 struct iwl_rx_mem_buffer *rxb);
272 void iwl_rx_reply_error(struct iwl_priv *priv,
273 struct iwl_rx_mem_buffer *rxb);
275 /*****************************************************
277 ******************************************************/
278 void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
279 void iwl_cmd_queue_free(struct iwl_priv *priv);
280 int iwl_rx_queue_alloc(struct iwl_priv *priv);
281 void iwl_rx_handle(struct iwl_priv *priv);
282 int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
283 struct iwl_rx_queue *q);
284 void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
285 void iwl_rx_replenish(struct iwl_priv *priv);
286 int iwl_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
287 int iwl_rx_queue_restock(struct iwl_priv *priv);
288 int iwl_rx_queue_space(const struct iwl_rx_queue *q);
289 void iwl_rx_allocate(struct iwl_priv *priv);
290 void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
291 int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
293 void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
294 struct iwl_rx_mem_buffer *rxb);
295 void iwl_rx_statistics(struct iwl_priv *priv,
296 struct iwl_rx_mem_buffer *rxb);
297 void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
301 /*****************************************************
303 ******************************************************/
304 int iwl_txq_ctx_reset(struct iwl_priv *priv);
305 void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
306 int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
307 struct iwl_tx_queue *txq,
308 dma_addr_t addr, u16 len, u8 reset, u8 pad);
309 int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
310 void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
311 int iwl_hw_tx_queue_init(struct iwl_priv *priv,
312 struct iwl_tx_queue *txq);
313 int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
314 int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
315 int slots_num, u32 txq_id);
316 void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id);
317 int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn);
318 int iwl_tx_agg_stop(struct iwl_priv *priv , const u8 *ra, u16 tid);
319 int iwl_txq_check_empty(struct iwl_priv *priv, int sta_id, u8 tid, int txq_id);
320 /*****************************************************
322 ****************************************************/
323 int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
325 /*****************************************************
326 * RF -Kill - here and not in iwl-rfkill.h to be available when
327 * RF-kill subsystem is not compiled.
328 ****************************************************/
329 void iwl_bg_rf_kill(struct work_struct *work);
330 void iwl_radio_kill_sw_disable_radio(struct iwl_priv *priv);
331 int iwl_radio_kill_sw_enable_radio(struct iwl_priv *priv);
333 /*******************************************************************************
335 ******************************************************************************/
337 void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
338 struct ieee80211_tx_info *info);
339 int iwl_hwrate_to_plcp_idx(u32 rate_n_flags);
341 u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv);
343 void iwl_set_rate(struct iwl_priv *priv);
345 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx);
347 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
349 return BIT(ant_idx) << RATE_MCS_ANT_POS;
352 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
354 return le32_to_cpu(rate_n_flags) & 0xFF;
356 static inline u32 iwl_hw_get_rate_n_flags(__le32 rate_n_flags)
358 return le32_to_cpu(rate_n_flags) & 0x1FFFF;
360 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
362 return cpu_to_le32(flags|(u32)rate);
365 /*******************************************************************************
367 ******************************************************************************/
368 void iwl_init_scan_params(struct iwl_priv *priv);
369 int iwl_scan_cancel(struct iwl_priv *priv);
370 int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
371 int iwl_scan_initiate(struct iwl_priv *priv);
372 int iwl_mac_hw_scan(struct ieee80211_hw *hw, struct cfg80211_scan_request *req);
373 u16 iwl_fill_probe_req(struct iwl_priv *priv, enum ieee80211_band band,
374 struct ieee80211_mgmt *frame, int left);
375 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
376 u16 iwl_get_active_dwell_time(struct iwl_priv *priv,
377 enum ieee80211_band band,
379 u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
380 enum ieee80211_band band);
381 void iwl_bg_scan_check(struct work_struct *data);
382 void iwl_bg_abort_scan(struct work_struct *work);
383 void iwl_bg_scan_completed(struct work_struct *work);
384 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
385 int iwl_send_scan_abort(struct iwl_priv *priv);
387 /* For faster active scanning, scan will move to the next channel if fewer than
388 * PLCP_QUIET_THRESH packets are heard on this channel within
389 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
390 * time if it's a quiet channel (nothing responded to our probe, and there's
392 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
393 #define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
394 #define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
397 /*******************************************************************************
398 * Calibrations - implemented in iwl-calib.c
399 ******************************************************************************/
400 int iwl_send_calib_results(struct iwl_priv *priv);
401 int iwl_calib_set(struct iwl_calib_result *res, const u8 *buf, int len);
402 void iwl_calib_free_results(struct iwl_priv *priv);
404 /*******************************************************************************
405 * Spectrum Measureemtns in iwl-spectrum.c
406 ******************************************************************************/
407 #ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT
408 void iwl_setup_spectrum_handlers(struct iwl_priv *priv);
410 static inline void iwl_setup_spectrum_handlers(struct iwl_priv *priv) {}
412 /*****************************************************
413 * S e n d i n g H o s t C o m m a n d s *
414 *****************************************************/
416 const char *get_cmd_string(u8 cmd);
417 int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
418 struct iwl_host_cmd *cmd);
419 int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
420 int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
421 u16 len, const void *data);
422 int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
424 int (*callback)(struct iwl_priv *priv,
426 struct sk_buff *skb));
428 int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
430 int iwl_send_card_state(struct iwl_priv *priv, u32 flags,
433 /*****************************************************
435 *****************************************************/
436 void iwl_disable_interrupts(struct iwl_priv *priv);
437 void iwl_enable_interrupts(struct iwl_priv *priv);
438 irqreturn_t iwl_isr(int irq, void *data);
439 static inline u16 iwl_pcie_link_ctl(struct iwl_priv *priv)
443 pos = pci_find_capability(priv->pci_dev, PCI_CAP_ID_EXP);
444 pci_read_config_word(priv->pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl);
448 int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state);
449 int iwl_pci_resume(struct pci_dev *pdev);
450 #endif /* CONFIG_PM */
452 /*****************************************************
453 * Error Handling Debugging
454 ******************************************************/
455 void iwl_dump_nic_error_log(struct iwl_priv *priv);
456 void iwl_dump_nic_event_log(struct iwl_priv *priv);
458 /*****************************************************
460 ******************************************************/
461 int iwlcore_init_geos(struct iwl_priv *priv);
462 void iwlcore_free_geos(struct iwl_priv *priv);
464 /*************** DRIVER STATUS FUNCTIONS *****/
466 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
467 #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
468 #define STATUS_INT_ENABLED 2
469 #define STATUS_RF_KILL_HW 3
470 #define STATUS_RF_KILL_SW 4
471 #define STATUS_INIT 5
472 #define STATUS_ALIVE 6
473 #define STATUS_READY 7
474 #define STATUS_TEMPERATURE 8
475 #define STATUS_GEO_CONFIGURED 9
476 #define STATUS_EXIT_PENDING 10
477 #define STATUS_STATISTICS 12
478 #define STATUS_SCANNING 13
479 #define STATUS_SCAN_ABORTING 14
480 #define STATUS_SCAN_HW 15
481 #define STATUS_POWER_PMI 16
482 #define STATUS_FW_ERROR 17
483 #define STATUS_MODE_PENDING 18
486 static inline int iwl_is_ready(struct iwl_priv *priv)
488 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
489 * set but EXIT_PENDING is not */
490 return test_bit(STATUS_READY, &priv->status) &&
491 test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
492 !test_bit(STATUS_EXIT_PENDING, &priv->status);
495 static inline int iwl_is_alive(struct iwl_priv *priv)
497 return test_bit(STATUS_ALIVE, &priv->status);
500 static inline int iwl_is_init(struct iwl_priv *priv)
502 return test_bit(STATUS_INIT, &priv->status);
505 static inline int iwl_is_rfkill_sw(struct iwl_priv *priv)
507 return test_bit(STATUS_RF_KILL_SW, &priv->status);
510 static inline int iwl_is_rfkill_hw(struct iwl_priv *priv)
512 return test_bit(STATUS_RF_KILL_HW, &priv->status);
515 static inline int iwl_is_rfkill(struct iwl_priv *priv)
517 return iwl_is_rfkill_hw(priv) || iwl_is_rfkill_sw(priv);
520 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
523 if (iwl_is_rfkill(priv))
526 return iwl_is_ready(priv);
529 extern void iwl_rf_kill_ct_config(struct iwl_priv *priv);
530 extern int iwl_send_bt_config(struct iwl_priv *priv);
531 extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
532 extern int iwl_verify_ucode(struct iwl_priv *priv);
533 extern int iwl_send_lq_cmd(struct iwl_priv *priv,
534 struct iwl_link_quality_cmd *lq, u8 flags);
535 extern void iwl_rx_reply_rx(struct iwl_priv *priv,
536 struct iwl_rx_mem_buffer *rxb);
537 extern void iwl_rx_reply_rx_phy(struct iwl_priv *priv,
538 struct iwl_rx_mem_buffer *rxb);
539 void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
540 struct iwl_rx_mem_buffer *rxb);
542 static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
544 return priv->cfg->ops->hcmd->rxon_assoc(priv);
546 static inline int iwlcore_commit_rxon(struct iwl_priv *priv)
548 return priv->cfg->ops->hcmd->commit_rxon(priv);
551 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
552 struct iwl_priv *priv, enum ieee80211_band band)
554 return priv->hw->wiphy->bands[band];
557 #endif /* __iwl_core_h__ */