1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3 * Copyright (C) 2005-2014, 2021, 2024 Intel Corporation
4 */
5 #ifndef __iwl_agn_h__
6 #define __iwl_agn_h__
7
8 #include "iwl-config.h"
9
10 #include "dev.h"
11
12 /* The first 11 queues (0-10) are used otherwise */
13 #define IWLAGN_FIRST_AMPDU_QUEUE 11
14
15 /* AUX (TX during scan dwell) queue */
16 #define IWL_AUX_QUEUE 10
17
18 #define IWL_INVALID_STATION 255
19
20 /* device operations */
21 extern const struct iwl_dvm_cfg iwl_dvm_1000_cfg;
22 extern const struct iwl_dvm_cfg iwl_dvm_2000_cfg;
23 extern const struct iwl_dvm_cfg iwl_dvm_105_cfg;
24 extern const struct iwl_dvm_cfg iwl_dvm_2030_cfg;
25 extern const struct iwl_dvm_cfg iwl_dvm_5000_cfg;
26 extern const struct iwl_dvm_cfg iwl_dvm_5150_cfg;
27 extern const struct iwl_dvm_cfg iwl_dvm_6000_cfg;
28 extern const struct iwl_dvm_cfg iwl_dvm_6005_cfg;
29 extern const struct iwl_dvm_cfg iwl_dvm_6050_cfg;
30 extern const struct iwl_dvm_cfg iwl_dvm_6030_cfg;
31
32
33 #define TIME_UNIT 1024
34
35 /*****************************************************
36 * DRIVER STATUS FUNCTIONS
37 ******************************************************/
38 #define STATUS_RF_KILL_HW 0
39 #define STATUS_CT_KILL 1
40 #define STATUS_ALIVE 2
41 #define STATUS_READY 3
42 #define STATUS_EXIT_PENDING 5
43 #define STATUS_STATISTICS 6
44 #define STATUS_SCANNING 7
45 #define STATUS_SCAN_ABORTING 8
46 #define STATUS_SCAN_HW 9
47 #define STATUS_FW_ERROR 10
48 #define STATUS_CHANNEL_SWITCH_PENDING 11
49 #define STATUS_SCAN_COMPLETE 12
50 #define STATUS_POWER_PMI 13
51
52 struct iwl_ucode_capabilities;
53
54 extern const struct ieee80211_ops iwlagn_hw_ops;
55
iwl_set_calib_hdr(struct iwl_calib_hdr * hdr,u8 cmd)56 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
57 {
58 hdr->op_code = cmd;
59 hdr->first_group = 0;
60 hdr->groups_num = 1;
61 hdr->data_valid = 1;
62 }
63
64 void iwl_down(struct iwl_priv *priv);
65 void iwl_cancel_deferred_work(struct iwl_priv *priv);
66 void iwlagn_prepare_restart(struct iwl_priv *priv);
67 void iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct napi_struct *napi,
68 struct iwl_rx_cmd_buffer *rxb);
69
70 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
71
72 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
73
74 /* MAC80211 */
75 struct ieee80211_hw *iwl_alloc_all(void);
76 int iwlagn_mac_setup_register(struct iwl_priv *priv,
77 const struct iwl_ucode_capabilities *capa);
78 void iwlagn_mac_unregister(struct iwl_priv *priv);
79
80 /* commands */
81 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
82 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
83 u32 flags, u16 len, const void *data);
84
85 /* RXON */
86 void iwl_connection_init_rx_config(struct iwl_priv *priv,
87 struct iwl_rxon_context *ctx);
88 int iwlagn_set_pan_params(struct iwl_priv *priv);
89 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
90 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
91 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
92 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
93 struct ieee80211_vif *vif,
94 struct ieee80211_bss_conf *bss_conf,
95 u64 changes);
96 void iwlagn_config_ht40(struct ieee80211_conf *conf,
97 struct iwl_rxon_context *ctx);
98 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
99 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
100 struct iwl_rxon_context *ctx);
101 void iwl_set_flags_for_band(struct iwl_priv *priv,
102 struct iwl_rxon_context *ctx,
103 enum nl80211_band band,
104 struct ieee80211_vif *vif);
105
106 /* uCode */
107 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
108 void iwl_send_prio_tbl(struct iwl_priv *priv);
109 int iwl_init_alive_start(struct iwl_priv *priv);
110 int iwl_run_init_ucode(struct iwl_priv *priv);
111 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
112 enum iwl_ucode_type ucode_type);
113 int iwl_send_calib_results(struct iwl_priv *priv);
114 int iwl_calib_set(struct iwl_priv *priv,
115 const struct iwl_calib_cmd *cmd, size_t len);
116 void iwl_calib_free_results(struct iwl_priv *priv);
117 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
118 char **buf);
119 int iwlagn_hw_valid_rtc_data_addr(u32 addr);
120
121 /* lib */
122 int iwlagn_send_tx_power(struct iwl_priv *priv);
123 void iwlagn_temperature(struct iwl_priv *priv);
124 int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk);
125 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
126 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
127 int iwl_send_statistics_request(struct iwl_priv *priv,
128 u8 flags, bool clear);
129
iwl_get_hw_mode(struct iwl_priv * priv,enum nl80211_band band)130 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
131 struct iwl_priv *priv, enum nl80211_band band)
132 {
133 return priv->hw->wiphy->bands[band];
134 }
135
136 #ifdef CONFIG_PM_SLEEP
137 int iwlagn_send_patterns(struct iwl_priv *priv,
138 struct cfg80211_wowlan *wowlan);
139 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
140 #endif
141
142 /* rx */
143 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum nl80211_band band);
144 void iwl_setup_rx_handlers(struct iwl_priv *priv);
145 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
146
147
148 /* tx */
149 int iwlagn_tx_skb(struct iwl_priv *priv,
150 struct ieee80211_sta *sta,
151 struct sk_buff *skb);
152 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
153 struct ieee80211_sta *sta, u16 tid, u16 *ssn);
154 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
155 struct ieee80211_sta *sta, u16 tid, u8 buf_size);
156 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
157 struct ieee80211_sta *sta, u16 tid);
158 int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
159 struct ieee80211_sta *sta, u16 tid);
160 void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
161 struct iwl_rx_cmd_buffer *rxb);
162 void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
163
iwl_tx_status_to_mac80211(u32 status)164 static inline u32 iwl_tx_status_to_mac80211(u32 status)
165 {
166 status &= TX_STATUS_MSK;
167
168 switch (status) {
169 case TX_STATUS_SUCCESS:
170 case TX_STATUS_DIRECT_DONE:
171 return IEEE80211_TX_STAT_ACK;
172 case TX_STATUS_FAIL_DEST_PS:
173 case TX_STATUS_FAIL_PASSIVE_NO_RX:
174 return IEEE80211_TX_STAT_TX_FILTERED;
175 default:
176 return 0;
177 }
178 }
179
iwl_is_tx_success(u32 status)180 static inline bool iwl_is_tx_success(u32 status)
181 {
182 status &= TX_STATUS_MSK;
183 return (status == TX_STATUS_SUCCESS) ||
184 (status == TX_STATUS_DIRECT_DONE);
185 }
186
187 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
188
189 /* scan */
190 void iwlagn_post_scan(struct iwl_priv *priv);
191 int iwl_force_rf_reset(struct iwl_priv *priv, bool external);
192 void iwl_init_scan_params(struct iwl_priv *priv);
193 int iwl_scan_cancel(struct iwl_priv *priv);
194 void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
195 void iwl_force_scan_end(struct iwl_priv *priv);
196 void iwl_internal_short_hw_scan(struct iwl_priv *priv);
197 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
198 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
199 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
200 int __must_check iwl_scan_initiate(struct iwl_priv *priv,
201 struct ieee80211_vif *vif,
202 enum iwl_scan_type scan_type,
203 enum nl80211_band band);
204
205 /* For faster active scanning, scan will move to the next channel if fewer than
206 * PLCP_QUIET_THRESH packets are heard on this channel within
207 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
208 * time if it's a quiet channel (nothing responded to our probe, and there's
209 * no other traffic).
210 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
211 #define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
212 #define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
213
214 #define IWL_SCAN_CHECK_WATCHDOG (HZ * 15)
215
216
217 /* bt coex */
218 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
219 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
220 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
221 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
222 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
223 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
224
iwl_advanced_bt_coexist(struct iwl_priv * priv)225 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
226 {
227 return priv->lib->bt_params &&
228 priv->lib->bt_params->advanced_bt_coexist;
229 }
230
231 #ifdef CONFIG_IWLWIFI_DEBUG
232 const char *iwl_get_tx_fail_reason(u32 status);
233 const char *iwl_get_agg_tx_fail_reason(u16 status);
234 #else
iwl_get_tx_fail_reason(u32 status)235 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
iwl_get_agg_tx_fail_reason(u16 status)236 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
237 #endif
238
239
240 /* station management */
241 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
242 struct ieee80211_vif *vif, bool add);
243 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
244 #define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */
245 #define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of
246 being activated */
247 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
248 (this is for the IBSS BSSID stations) */
249 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
250
251
252 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
253 void iwl_clear_ucode_stations(struct iwl_priv *priv,
254 struct iwl_rxon_context *ctx);
255 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
256 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
257 int iwl_send_add_sta(struct iwl_priv *priv,
258 struct iwl_addsta_cmd *sta, u8 flags);
259 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
260 const u8 *addr, bool is_ap,
261 struct ieee80211_sta *sta, u8 *sta_id_r);
262 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
263 const u8 *addr);
264 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
265 const u8 *addr);
266 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
267 const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
268
269 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
270 struct iwl_link_quality_cmd *lq, u8 flags, bool init);
271 void iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
272 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
273 struct ieee80211_sta *sta);
274
275 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
276 struct iwl_rxon_context *ctx,
277 struct ieee80211_sta *sta);
278
iwl_sta_id(struct ieee80211_sta * sta)279 static inline int iwl_sta_id(struct ieee80211_sta *sta)
280 {
281 if (WARN_ON(!sta))
282 return IWL_INVALID_STATION;
283
284 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
285 }
286
287 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
288 struct iwl_rxon_context *ctx);
289 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
290 const u8 *addr, u8 *sta_id_r);
291 int iwl_remove_default_wep_key(struct iwl_priv *priv,
292 struct iwl_rxon_context *ctx,
293 struct ieee80211_key_conf *key);
294 int iwl_set_default_wep_key(struct iwl_priv *priv,
295 struct iwl_rxon_context *ctx,
296 struct ieee80211_key_conf *key);
297 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
298 struct iwl_rxon_context *ctx);
299 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
300 struct ieee80211_key_conf *key,
301 struct ieee80211_sta *sta);
302 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
303 struct ieee80211_key_conf *key,
304 struct ieee80211_sta *sta);
305 void iwl_update_tkip_key(struct iwl_priv *priv,
306 struct ieee80211_vif *vif,
307 struct ieee80211_key_conf *keyconf,
308 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
309 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
310 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
311 int tid, u16 ssn);
312 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
313 int tid);
314 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
315 int iwl_update_bcast_station(struct iwl_priv *priv,
316 struct iwl_rxon_context *ctx);
317 int iwl_update_bcast_stations(struct iwl_priv *priv);
318
319 /* rate */
iwl_ant_idx_to_flags(u8 ant_idx)320 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
321 {
322 return BIT(ant_idx) << RATE_MCS_ANT_POS;
323 }
324
iwl_hw_get_rate(__le32 rate_n_flags)325 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
326 {
327 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
328 }
329
iwl_hw_set_rate_n_flags(u8 rate,u32 flags)330 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
331 {
332 return cpu_to_le32(flags|(u32)rate);
333 }
334
335 int iwl_alive_start(struct iwl_priv *priv);
336
337 #ifdef CONFIG_IWLWIFI_DEBUG
338 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
339 enum iwl_rxon_context_id ctxid);
340 #else
iwl_print_rx_config_cmd(struct iwl_priv * priv,enum iwl_rxon_context_id ctxid)341 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
342 enum iwl_rxon_context_id ctxid)
343 {
344 }
345 #endif
346
347 /* status checks */
348
iwl_is_ready(struct iwl_priv * priv)349 static inline int iwl_is_ready(struct iwl_priv *priv)
350 {
351 /* The adapter is 'ready' if READY EXIT_PENDING is not set */
352 return test_bit(STATUS_READY, &priv->status) &&
353 !test_bit(STATUS_EXIT_PENDING, &priv->status);
354 }
355
iwl_is_alive(struct iwl_priv * priv)356 static inline int iwl_is_alive(struct iwl_priv *priv)
357 {
358 return test_bit(STATUS_ALIVE, &priv->status);
359 }
360
iwl_is_rfkill(struct iwl_priv * priv)361 static inline int iwl_is_rfkill(struct iwl_priv *priv)
362 {
363 return test_bit(STATUS_RF_KILL_HW, &priv->status);
364 }
365
iwl_is_ctkill(struct iwl_priv * priv)366 static inline int iwl_is_ctkill(struct iwl_priv *priv)
367 {
368 return test_bit(STATUS_CT_KILL, &priv->status);
369 }
370
iwl_is_ready_rf(struct iwl_priv * priv)371 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
372 {
373 if (iwl_is_rfkill(priv))
374 return 0;
375
376 return iwl_is_ready(priv);
377 }
378
iwl_dvm_set_pmi(struct iwl_priv * priv,bool state)379 static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
380 {
381 if (state)
382 set_bit(STATUS_POWER_PMI, &priv->status);
383 else
384 clear_bit(STATUS_POWER_PMI, &priv->status);
385 iwl_trans_set_pmi(priv->trans, state);
386 }
387
388 /**
389 * iwl_parse_eeprom_data - parse EEPROM data and return values
390 *
391 * @trans: ransport we're parsing for, for debug only
392 * @cfg: device configuration for parsing and overrides
393 * @eeprom: the EEPROM data
394 * @eeprom_size: length of the EEPROM data
395 *
396 * This function parses all EEPROM values we need and then
397 * returns a (newly allocated) struct containing all the
398 * relevant values for driver use. The struct must be freed
399 * later with iwl_free_nvm_data().
400 */
401 struct iwl_nvm_data *
402 iwl_parse_eeprom_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
403 const u8 *eeprom, size_t eeprom_size);
404
405 int iwl_read_eeprom(struct iwl_trans *trans, u8 **eeprom, size_t *eeprom_size);
406
407 #ifdef CONFIG_IWLWIFI_DEBUGFS
408 void iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
409 #else
iwl_dbgfs_register(struct iwl_priv * priv,struct dentry * dbgfs_dir)410 static inline void iwl_dbgfs_register(struct iwl_priv *priv,
411 struct dentry *dbgfs_dir) { }
412 #endif /* CONFIG_IWLWIFI_DEBUGFS */
413
414 #ifdef CONFIG_IWLWIFI_DEBUG
415 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
416 do { \
417 if (!iwl_is_rfkill((m))) \
418 IWL_ERR(m, fmt, ##args); \
419 else \
420 __iwl_err((m)->dev, \
421 iwl_have_debug_level(IWL_DL_RADIO) ? \
422 IWL_ERR_MODE_RFKILL : \
423 IWL_ERR_MODE_TRACE_ONLY, \
424 fmt, ##args); \
425 } while (0)
426 #else
427 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
428 do { \
429 if (!iwl_is_rfkill((m))) \
430 IWL_ERR(m, fmt, ##args); \
431 else \
432 __iwl_err((m)->dev, IWL_ERR_MODE_TRACE_ONLY, \
433 fmt, ##args); \
434 } while (0)
435 #endif /* CONFIG_IWLWIFI_DEBUG */
436
437 #endif /* __iwl_agn_h__ */
438