iwl-agn.h revision 0692fe41b36159be5d8c7d4eef0699e79c383c85
1/******************************************************************************
2 *
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.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
9 *
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.
13 *
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.
18 *
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,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
26 *
27 * Contact Information:
28 *  Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
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
45 *    distribution.
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.
49 *
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 *****************************************************************************/
62
63#ifndef __iwl_agn_h__
64#define __iwl_agn_h__
65
66#include "iwl-dev.h"
67
68struct iwl_ucode_capabilities;
69
70extern struct ieee80211_ops iwlagn_hw_ops;
71
72static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
73{
74	hdr->op_code = cmd;
75	hdr->first_group = 0;
76	hdr->groups_num = 1;
77	hdr->data_valid = 1;
78}
79
80void iwl_down(struct iwl_priv *priv);
81void iwl_cancel_deferred_work(struct iwl_priv *priv);
82void iwlagn_prepare_restart(struct iwl_priv *priv);
83void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb);
84int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
85				 struct iwl_rx_cmd_buffer *rxb,
86				 struct iwl_device_cmd *cmd);
87void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac);
88void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, u8 ac);
89void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state);
90void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac);
91void iwl_nic_error(struct iwl_op_mode *op_mode);
92
93/* MAC80211 */
94struct ieee80211_hw *iwl_alloc_all(void);
95int iwlagn_mac_setup_register(struct iwl_priv *priv,
96			      const struct iwl_ucode_capabilities *capa);
97void iwlagn_mac_unregister(struct iwl_priv *priv);
98
99/* RXON */
100int iwlagn_set_pan_params(struct iwl_priv *priv);
101int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
102void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
103int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
104void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
105			     struct ieee80211_vif *vif,
106			     struct ieee80211_bss_conf *bss_conf,
107			     u32 changes);
108void iwlagn_config_ht40(struct ieee80211_conf *conf,
109			struct iwl_rxon_context *ctx);
110
111/* uCode */
112int iwlagn_rx_calib_result(struct iwl_priv *priv,
113			    struct iwl_rx_cmd_buffer *rxb,
114			    struct iwl_device_cmd *cmd);
115void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags);
116int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
117void iwl_send_prio_tbl(struct iwl_priv *priv);
118int iwl_init_alive_start(struct iwl_priv *priv);
119int iwl_run_init_ucode(struct iwl_priv *priv);
120int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
121			      enum iwl_ucode_type ucode_type);
122int iwl_send_calib_results(struct iwl_priv *priv);
123int iwl_calib_set(struct iwl_priv *priv,
124		  const struct iwl_calib_hdr *cmd, int len);
125void iwl_calib_free_results(struct iwl_priv *priv);
126
127/* lib */
128int iwlagn_send_tx_power(struct iwl_priv *priv);
129void iwlagn_temperature(struct iwl_priv *priv);
130u16 iwl_eeprom_calib_version(struct iwl_shared *shrd);
131int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
132void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
133int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
134#ifdef CONFIG_PM_SLEEP
135int iwlagn_send_patterns(struct iwl_priv *priv,
136			 struct cfg80211_wowlan *wowlan);
137int iwlagn_suspend(struct iwl_priv *priv,
138		   struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
139#endif
140
141/* rx */
142int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
143void iwl_setup_rx_handlers(struct iwl_priv *priv);
144
145
146/* tx */
147int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
148int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
149			struct ieee80211_sta *sta, u16 tid, u16 *ssn);
150int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
151			struct ieee80211_sta *sta, u16 tid, u8 buf_size);
152int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
153		       struct ieee80211_sta *sta, u16 tid);
154int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
155				   struct iwl_rx_cmd_buffer *rxb,
156				   struct iwl_device_cmd *cmd);
157int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
158			       struct iwl_device_cmd *cmd);
159
160static inline u32 iwl_tx_status_to_mac80211(u32 status)
161{
162	status &= TX_STATUS_MSK;
163
164	switch (status) {
165	case TX_STATUS_SUCCESS:
166	case TX_STATUS_DIRECT_DONE:
167		return IEEE80211_TX_STAT_ACK;
168	case TX_STATUS_FAIL_DEST_PS:
169	case TX_STATUS_FAIL_PASSIVE_NO_RX:
170		return IEEE80211_TX_STAT_TX_FILTERED;
171	default:
172		return 0;
173	}
174}
175
176static inline bool iwl_is_tx_success(u32 status)
177{
178	status &= TX_STATUS_MSK;
179	return (status == TX_STATUS_SUCCESS) ||
180	       (status == TX_STATUS_DIRECT_DONE);
181}
182
183u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
184
185/* scan */
186void iwlagn_post_scan(struct iwl_priv *priv);
187void iwlagn_disable_roc(struct iwl_priv *priv);
188
189/* bt coex */
190void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
191int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
192				  struct iwl_rx_cmd_buffer *rxb,
193				  struct iwl_device_cmd *cmd);
194void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
195void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
196void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
197void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
198void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
199
200#ifdef CONFIG_IWLWIFI_DEBUG
201const char *iwl_get_tx_fail_reason(u32 status);
202const char *iwl_get_agg_tx_fail_reason(u16 status);
203#else
204static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
205static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
206#endif
207
208
209/* station management */
210int iwlagn_manage_ibss_station(struct iwl_priv *priv,
211			       struct ieee80211_vif *vif, bool add);
212#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
213#define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
214#define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
215					    being activated */
216#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
217				(this is for the IBSS BSSID stations) */
218#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
219
220
221void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
222void iwl_clear_ucode_stations(struct iwl_priv *priv,
223			      struct iwl_rxon_context *ctx);
224void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
225int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
226int iwl_send_add_sta(struct iwl_priv *priv,
227		     struct iwl_addsta_cmd *sta, u8 flags);
228int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
229			   const u8 *addr, bool is_ap,
230			   struct ieee80211_sta *sta, u8 *sta_id_r);
231int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
232		       const u8 *addr);
233u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
234		    const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
235
236void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
237		     u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
238int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
239		    struct iwl_link_quality_cmd *lq, u8 flags, bool init);
240int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
241			       struct iwl_device_cmd *cmd);
242int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
243		      struct ieee80211_sta *sta);
244
245
246static inline int iwl_sta_id(struct ieee80211_sta *sta)
247{
248	if (WARN_ON(!sta))
249		return IWL_INVALID_STATION;
250
251	return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
252}
253
254/**
255 * iwl_sta_id_or_broadcast - return sta_id or broadcast sta
256 * @priv: iwl priv
257 * @context: the current context
258 * @sta: mac80211 station
259 *
260 * In certain circumstances mac80211 passes a station pointer
261 * that may be %NULL, for example during TX or key setup. In
262 * that case, we need to use the broadcast station, so this
263 * inline wraps that pattern.
264 */
265static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv,
266					  struct iwl_rxon_context *context,
267					  struct ieee80211_sta *sta)
268{
269	int sta_id;
270
271	if (!sta)
272		return context->bcast_sta_id;
273
274	sta_id = iwl_sta_id(sta);
275
276	/*
277	 * mac80211 should not be passing a partially
278	 * initialised station!
279	 */
280	WARN_ON(sta_id == IWL_INVALID_STATION);
281
282	return sta_id;
283}
284
285int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
286			       struct iwl_rxon_context *ctx);
287int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
288			     const u8 *addr, u8 *sta_id_r);
289int iwl_remove_default_wep_key(struct iwl_priv *priv,
290			       struct iwl_rxon_context *ctx,
291			       struct ieee80211_key_conf *key);
292int iwl_set_default_wep_key(struct iwl_priv *priv,
293			    struct iwl_rxon_context *ctx,
294			    struct ieee80211_key_conf *key);
295int iwl_restore_default_wep_keys(struct iwl_priv *priv,
296				 struct iwl_rxon_context *ctx);
297int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
298			struct ieee80211_key_conf *key,
299			struct ieee80211_sta *sta);
300int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
301			   struct ieee80211_key_conf *key,
302			   struct ieee80211_sta *sta);
303void iwl_update_tkip_key(struct iwl_priv *priv,
304			 struct ieee80211_vif *vif,
305			 struct ieee80211_key_conf *keyconf,
306			 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
307int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
308int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
309			 int tid, u16 ssn);
310int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
311			int tid);
312void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
313int iwl_update_bcast_station(struct iwl_priv *priv,
314			     struct iwl_rxon_context *ctx);
315int iwl_update_bcast_stations(struct iwl_priv *priv);
316
317/* rate */
318static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
319{
320	return BIT(ant_idx) << RATE_MCS_ANT_POS;
321}
322
323static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
324{
325	return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
326}
327
328static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
329{
330	return cpu_to_le32(flags|(u32)rate);
331}
332
333/* eeprom */
334void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv);
335void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac);
336
337extern int iwl_alive_start(struct iwl_priv *priv);
338/* svtool */
339#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
340extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
341				   int len);
342extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
343				    struct sk_buff *skb,
344				    struct netlink_callback *cb,
345				    void *data, int len);
346extern void iwl_testmode_init(struct iwl_priv *priv);
347extern void iwl_testmode_cleanup(struct iwl_priv *priv);
348#else
349static inline
350int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
351{
352	return -ENOSYS;
353}
354static inline
355int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
356		      struct netlink_callback *cb,
357		      void *data, int len)
358{
359	return -ENOSYS;
360}
361static inline
362void iwl_testmode_init(struct iwl_priv *priv)
363{
364}
365static inline
366void iwl_testmode_cleanup(struct iwl_priv *priv)
367{
368}
369#endif
370
371#ifdef CONFIG_IWLWIFI_DEBUG
372void iwl_print_rx_config_cmd(struct iwl_priv *priv,
373			     enum iwl_rxon_context_id ctxid);
374#else
375static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
376					   enum iwl_rxon_context_id ctxid)
377{
378}
379#endif
380
381#endif /* __iwl_agn_h__ */
382