iwl-agn.h revision ab0bd5b32a9c7ea2e7cc69d56c82a96be340c269
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			      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);
116
117/* lib */
118int iwlagn_send_tx_power(struct iwl_priv *priv);
119void iwlagn_temperature(struct iwl_priv *priv);
120u16 iwl_eeprom_calib_version(struct iwl_shared *shrd);
121int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
122void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
123int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
124#ifdef CONFIG_PM_SLEEP
125int iwlagn_send_patterns(struct iwl_priv *priv,
126			 struct cfg80211_wowlan *wowlan);
127int iwlagn_suspend(struct iwl_priv *priv,
128		   struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
129#endif
130
131/* rx */
132int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
133void iwl_setup_rx_handlers(struct iwl_priv *priv);
134
135
136/* tx */
137int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
138int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
139			struct ieee80211_sta *sta, u16 tid, u16 *ssn);
140int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
141			struct ieee80211_sta *sta, u16 tid, u8 buf_size);
142int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
143		       struct ieee80211_sta *sta, u16 tid);
144int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
145				   struct iwl_rx_cmd_buffer *rxb,
146				   struct iwl_device_cmd *cmd);
147int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
148			       struct iwl_device_cmd *cmd);
149
150static inline u32 iwl_tx_status_to_mac80211(u32 status)
151{
152	status &= TX_STATUS_MSK;
153
154	switch (status) {
155	case TX_STATUS_SUCCESS:
156	case TX_STATUS_DIRECT_DONE:
157		return IEEE80211_TX_STAT_ACK;
158	case TX_STATUS_FAIL_DEST_PS:
159	case TX_STATUS_FAIL_PASSIVE_NO_RX:
160		return IEEE80211_TX_STAT_TX_FILTERED;
161	default:
162		return 0;
163	}
164}
165
166static inline bool iwl_is_tx_success(u32 status)
167{
168	status &= TX_STATUS_MSK;
169	return (status == TX_STATUS_SUCCESS) ||
170	       (status == TX_STATUS_DIRECT_DONE);
171}
172
173u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
174
175/* scan */
176void iwlagn_post_scan(struct iwl_priv *priv);
177void iwlagn_disable_roc(struct iwl_priv *priv);
178
179/* bt coex */
180void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
181int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
182				  struct iwl_rx_cmd_buffer *rxb,
183				  struct iwl_device_cmd *cmd);
184void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
185void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
186void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
187void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
188void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
189
190#ifdef CONFIG_IWLWIFI_DEBUG
191const char *iwl_get_tx_fail_reason(u32 status);
192const char *iwl_get_agg_tx_fail_reason(u16 status);
193#else
194static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
195static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
196#endif
197
198
199/* station management */
200int iwlagn_manage_ibss_station(struct iwl_priv *priv,
201			       struct ieee80211_vif *vif, bool add);
202#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
203#define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
204#define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
205					    being activated */
206#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
207				(this is for the IBSS BSSID stations) */
208#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
209
210
211void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
212void iwl_clear_ucode_stations(struct iwl_priv *priv,
213			      struct iwl_rxon_context *ctx);
214void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
215int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
216int iwl_send_add_sta(struct iwl_priv *priv,
217		     struct iwl_addsta_cmd *sta, u8 flags);
218int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
219			   const u8 *addr, bool is_ap,
220			   struct ieee80211_sta *sta, u8 *sta_id_r);
221int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
222		       const u8 *addr);
223u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
224		    const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
225
226void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
227		     u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
228int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
229		    struct iwl_link_quality_cmd *lq, u8 flags, bool init);
230int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
231			       struct iwl_device_cmd *cmd);
232int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
233		      struct ieee80211_sta *sta);
234
235
236static inline int iwl_sta_id(struct ieee80211_sta *sta)
237{
238	if (WARN_ON(!sta))
239		return IWL_INVALID_STATION;
240
241	return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
242}
243
244/**
245 * iwl_sta_id_or_broadcast - return sta_id or broadcast sta
246 * @priv: iwl priv
247 * @context: the current context
248 * @sta: mac80211 station
249 *
250 * In certain circumstances mac80211 passes a station pointer
251 * that may be %NULL, for example during TX or key setup. In
252 * that case, we need to use the broadcast station, so this
253 * inline wraps that pattern.
254 */
255static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv,
256					  struct iwl_rxon_context *context,
257					  struct ieee80211_sta *sta)
258{
259	int sta_id;
260
261	if (!sta)
262		return context->bcast_sta_id;
263
264	sta_id = iwl_sta_id(sta);
265
266	/*
267	 * mac80211 should not be passing a partially
268	 * initialised station!
269	 */
270	WARN_ON(sta_id == IWL_INVALID_STATION);
271
272	return sta_id;
273}
274
275int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
276			       struct iwl_rxon_context *ctx);
277int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
278			     const u8 *addr, u8 *sta_id_r);
279int iwl_remove_default_wep_key(struct iwl_priv *priv,
280			       struct iwl_rxon_context *ctx,
281			       struct ieee80211_key_conf *key);
282int iwl_set_default_wep_key(struct iwl_priv *priv,
283			    struct iwl_rxon_context *ctx,
284			    struct ieee80211_key_conf *key);
285int iwl_restore_default_wep_keys(struct iwl_priv *priv,
286				 struct iwl_rxon_context *ctx);
287int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
288			struct ieee80211_key_conf *key,
289			struct ieee80211_sta *sta);
290int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
291			   struct ieee80211_key_conf *key,
292			   struct ieee80211_sta *sta);
293void iwl_update_tkip_key(struct iwl_priv *priv,
294			 struct ieee80211_vif *vif,
295			 struct ieee80211_key_conf *keyconf,
296			 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
297int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
298int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
299			 int tid, u16 ssn);
300int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
301			int tid);
302void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
303int iwl_update_bcast_station(struct iwl_priv *priv,
304			     struct iwl_rxon_context *ctx);
305int iwl_update_bcast_stations(struct iwl_priv *priv);
306
307/* rate */
308static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
309{
310	return BIT(ant_idx) << RATE_MCS_ANT_POS;
311}
312
313static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
314{
315	return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
316}
317
318static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
319{
320	return cpu_to_le32(flags|(u32)rate);
321}
322
323/* eeprom */
324void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv);
325void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac);
326
327extern int iwl_alive_start(struct iwl_priv *priv);
328/* svtool */
329#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
330extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
331				   int len);
332extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
333				    struct sk_buff *skb,
334				    struct netlink_callback *cb,
335				    void *data, int len);
336extern void iwl_testmode_init(struct iwl_priv *priv);
337extern void iwl_testmode_cleanup(struct iwl_priv *priv);
338#else
339static inline
340int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
341{
342	return -ENOSYS;
343}
344static inline
345int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
346		      struct netlink_callback *cb,
347		      void *data, int len)
348{
349	return -ENOSYS;
350}
351static inline
352void iwl_testmode_init(struct iwl_priv *priv)
353{
354}
355static inline
356void iwl_testmode_cleanup(struct iwl_priv *priv)
357{
358}
359#endif
360
361#ifdef CONFIG_IWLWIFI_DEBUG
362void iwl_print_rx_config_cmd(struct iwl_priv *priv,
363			     enum iwl_rxon_context_id ctxid);
364#else
365static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
366					   enum iwl_rxon_context_id ctxid)
367{
368}
369#endif
370
371#endif /* __iwl_agn_h__ */
372