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b481de9c ZY |
1 | /****************************************************************************** |
2 | * | |
01f8162a | 3 | * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved. |
b481de9c ZY |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
17 | * | |
18 | * The full GNU General Public License is included in this distribution in the | |
19 | * file called LICENSE. | |
20 | * | |
21 | * Contact Information: | |
759ef89f | 22 | * Intel Linux Wireless <ilw@linux.intel.com> |
b481de9c ZY |
23 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
24 | * | |
25 | *****************************************************************************/ | |
fcd427bb BC |
26 | /* |
27 | * Please use this file (iwl-3945.h) for driver implementation definitions. | |
28 | * Please use iwl-3945-commands.h for uCode API definitions. | |
29 | * Please use iwl-3945-hw.h for hardware-related definitions. | |
30 | */ | |
b481de9c ZY |
31 | |
32 | #ifndef __iwl_3945_h__ | |
33 | #define __iwl_3945_h__ | |
34 | ||
5d08cd1d CH |
35 | #include <linux/pci.h> /* for struct pci_device_id */ |
36 | #include <linux/kernel.h> | |
37 | #include <net/ieee80211_radiotap.h> | |
38 | ||
5d08cd1d | 39 | /* Hardware specific file defines the PCI IDs table for that hardware module */ |
bb8c093b | 40 | extern struct pci_device_id iwl3945_hw_card_ids[]; |
5d08cd1d | 41 | |
6f83eaa1 | 42 | #include "iwl-csr.h" |
5d08cd1d | 43 | #include "iwl-prph.h" |
dbb6654c | 44 | #include "iwl-fh.h" |
6f83eaa1 | 45 | #include "iwl-3945-hw.h" |
40b8ec0b | 46 | #include "iwl-debug.h" |
1125eff3 | 47 | #include "iwl-power.h" |
d20b3c65 | 48 | #include "iwl-dev.h" |
e932a609 | 49 | #include "iwl-led.h" |
5d08cd1d | 50 | |
a0987a8d | 51 | /* Highest firmware API version supported */ |
011a0330 | 52 | #define IWL3945_UCODE_API_MAX 2 |
a0987a8d RC |
53 | |
54 | /* Lowest firmware API version supported */ | |
55 | #define IWL3945_UCODE_API_MIN 1 | |
56 | ||
57 | #define IWL3945_FW_PRE "iwlwifi-3945-" | |
58 | #define _IWL3945_MODULE_FIRMWARE(api) IWL3945_FW_PRE #api ".ucode" | |
59 | #define IWL3945_MODULE_FIRMWARE(api) _IWL3945_MODULE_FIRMWARE(api) | |
4bf775cd | 60 | |
5d08cd1d CH |
61 | /* Default noise level to report when noise measurement is not available. |
62 | * This may be because we're: | |
63 | * 1) Not associated (4965, no beacon statistics being sent to driver) | |
64 | * 2) Scanning (noise measurement does not apply to associated channel) | |
65 | * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) | |
66 | * Use default noise value of -127 ... this is below the range of measurable | |
67 | * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. | |
68 | * Also, -127 works better than 0 when averaging frames with/without | |
69 | * noise info (e.g. averaging might be done in app); measured dBm values are | |
70 | * always negative ... using a negative value as the default keeps all | |
71 | * averages within an s8's (used in some apps) range of negative values. */ | |
72 | #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) | |
73 | ||
74 | /* Module parameters accessible from iwl-*.c */ | |
df878d8f | 75 | extern struct iwl_mod_params iwl3945_mod_params; |
5d08cd1d | 76 | |
62a94926 RC |
77 | struct iwl3945_rate_scale_data { |
78 | u64 data; | |
79 | s32 success_counter; | |
80 | s32 success_ratio; | |
81 | s32 counter; | |
82 | s32 average_tpt; | |
83 | unsigned long stamp; | |
84 | }; | |
85 | ||
86 | struct iwl3945_rs_sta { | |
87 | spinlock_t lock; | |
88 | struct iwl_priv *priv; | |
89 | s32 *expected_tpt; | |
90 | unsigned long last_partial_flush; | |
91 | unsigned long last_flush; | |
92 | u32 flush_time; | |
93 | u32 last_tx_packets; | |
94 | u32 tx_packets; | |
95 | u8 tgg; | |
96 | u8 flush_pending; | |
97 | u8 start_rate; | |
98 | u8 ibss_sta_added; | |
99 | struct timer_list rate_scale_flush; | |
100 | struct iwl3945_rate_scale_data win[IWL_RATE_COUNT_3945]; | |
101 | #ifdef CONFIG_MAC80211_DEBUGFS | |
102 | struct dentry *rs_sta_dbgfs_stats_table_file; | |
103 | #endif | |
104 | ||
105 | /* used to be in sta_info */ | |
106 | int last_txrate_idx; | |
107 | }; | |
108 | ||
109 | ||
4b7679a5 | 110 | struct iwl3945_sta_priv { |
62a94926 | 111 | struct iwl3945_rs_sta rs_sta; |
4b7679a5 JB |
112 | }; |
113 | ||
bb8c093b | 114 | enum iwl3945_antenna { |
5d08cd1d CH |
115 | IWL_ANTENNA_DIVERSITY, |
116 | IWL_ANTENNA_MAIN, | |
117 | IWL_ANTENNA_AUX | |
118 | }; | |
119 | ||
120 | /* | |
121 | * RTS threshold here is total size [2347] minus 4 FCS bytes | |
122 | * Per spec: | |
123 | * a value of 0 means RTS on all data/management packets | |
124 | * a value > max MSDU size means no RTS | |
125 | * else RTS for data/management frames where MPDU is larger | |
126 | * than RTS value. | |
127 | */ | |
128 | #define DEFAULT_RTS_THRESHOLD 2347U | |
129 | #define MIN_RTS_THRESHOLD 0U | |
130 | #define MAX_RTS_THRESHOLD 2347U | |
131 | #define MAX_MSDU_SIZE 2304U | |
132 | #define MAX_MPDU_SIZE 2346U | |
133 | #define DEFAULT_BEACON_INTERVAL 100U | |
134 | #define DEFAULT_SHORT_RETRY_LIMIT 7U | |
135 | #define DEFAULT_LONG_RETRY_LIMIT 4U | |
136 | ||
d9829a67 | 137 | #include "iwl-agn-rs.h" |
5d08cd1d CH |
138 | |
139 | #define IWL_TX_FIFO_AC0 0 | |
140 | #define IWL_TX_FIFO_AC1 1 | |
141 | #define IWL_TX_FIFO_AC2 2 | |
142 | #define IWL_TX_FIFO_AC3 3 | |
143 | #define IWL_TX_FIFO_HCCA_1 5 | |
144 | #define IWL_TX_FIFO_HCCA_2 6 | |
145 | #define IWL_TX_FIFO_NONE 7 | |
146 | ||
5d08cd1d CH |
147 | #define IEEE80211_DATA_LEN 2304 |
148 | #define IEEE80211_4ADDR_LEN 30 | |
149 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) | |
150 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) | |
151 | ||
bb8c093b | 152 | struct iwl3945_frame { |
5d08cd1d CH |
153 | union { |
154 | struct ieee80211_hdr frame; | |
bb8c093b | 155 | struct iwl3945_tx_beacon_cmd beacon; |
5d08cd1d CH |
156 | u8 raw[IEEE80211_FRAME_LEN]; |
157 | u8 cmd[360]; | |
158 | } u; | |
159 | struct list_head list; | |
160 | }; | |
161 | ||
5d08cd1d CH |
162 | #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
163 | #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) | |
164 | #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) | |
165 | ||
5d08cd1d CH |
166 | #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 |
167 | #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 | |
168 | #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 | |
169 | ||
5d08cd1d CH |
170 | #define IWL_SUPPORTED_RATES_IE_LEN 8 |
171 | ||
172 | #define SCAN_INTERVAL 100 | |
173 | ||
5d08cd1d | 174 | #define STATUS_HCMD_ACTIVE 0 /* host command in progress */ |
e5472978 TW |
175 | #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */ |
176 | #define STATUS_INT_ENABLED 2 | |
177 | #define STATUS_RF_KILL_HW 3 | |
e5472978 TW |
178 | #define STATUS_INIT 5 |
179 | #define STATUS_ALIVE 6 | |
180 | #define STATUS_READY 7 | |
181 | #define STATUS_TEMPERATURE 8 | |
182 | #define STATUS_GEO_CONFIGURED 9 | |
183 | #define STATUS_EXIT_PENDING 10 | |
e5472978 TW |
184 | #define STATUS_STATISTICS 12 |
185 | #define STATUS_SCANNING 13 | |
186 | #define STATUS_SCAN_ABORTING 14 | |
187 | #define STATUS_SCAN_HW 15 | |
188 | #define STATUS_POWER_PMI 16 | |
189 | #define STATUS_FW_ERROR 17 | |
190 | #define STATUS_CONF_PENDING 18 | |
5d08cd1d CH |
191 | |
192 | #define MAX_TID_COUNT 9 | |
193 | ||
194 | #define IWL_INVALID_RATE 0xFF | |
195 | #define IWL_INVALID_VALUE -1 | |
196 | ||
5d08cd1d CH |
197 | #define STA_PS_STATUS_WAKE 0 |
198 | #define STA_PS_STATUS_SLEEP 1 | |
199 | ||
bb8c093b | 200 | struct iwl3945_ibss_seq { |
5d08cd1d CH |
201 | u8 mac[ETH_ALEN]; |
202 | u16 seq_num; | |
203 | u16 frag_num; | |
204 | unsigned long packet_time; | |
205 | struct list_head list; | |
206 | }; | |
207 | ||
bb8c093b | 208 | #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\ |
5d08cd1d CH |
209 | x->u.rx_frame.stats.payload + \ |
210 | x->u.rx_frame.stats.phy_count)) | |
bb8c093b | 211 | #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\ |
5d08cd1d CH |
212 | IWL_RX_HDR(x)->payload + \ |
213 | le16_to_cpu(IWL_RX_HDR(x)->len))) | |
214 | #define IWL_RX_STATS(x) (&x->u.rx_frame.stats) | |
215 | #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) | |
216 | ||
217 | ||
218 | /****************************************************************************** | |
219 | * | |
220 | * Functions implemented in iwl-base.c which are forward declared here | |
221 | * for use by iwl-*.c | |
222 | * | |
223 | *****************************************************************************/ | |
bb8c093b CH |
224 | extern int iwl3945_calc_db_from_ratio(int sig_ratio); |
225 | extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm); | |
bb8c093b | 226 | extern void iwl3945_rx_replenish(void *data); |
df833b1d | 227 | extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq); |
4a8a4322 | 228 | extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv, |
73ec1cc2 | 229 | struct ieee80211_hdr *hdr,int left); |
b7a79404 RC |
230 | extern void iwl3945_dump_nic_event_log(struct iwl_priv *priv); |
231 | extern void iwl3945_dump_nic_error_log(struct iwl_priv *priv); | |
5d08cd1d CH |
232 | |
233 | /* | |
234 | * Currently used by iwl-3945-rs... look at restructuring so that it doesn't | |
235 | * call this... todo... fix that. | |
236 | */ | |
4a8a4322 | 237 | extern u8 iwl3945_sync_station(struct iwl_priv *priv, int sta_id, |
5d08cd1d CH |
238 | u16 tx_rate, u8 flags); |
239 | ||
240 | /****************************************************************************** | |
241 | * | |
242 | * Functions implemented in iwl-[34]*.c which are forward declared here | |
243 | * for use by iwl-base.c | |
244 | * | |
245 | * NOTE: The implementation of these functions are hardware specific | |
246 | * which is why they are in the hardware specific files (vs. iwl-base.c) | |
247 | * | |
248 | * Naming convention -- | |
bb8c093b CH |
249 | * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_) |
250 | * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) | |
5d08cd1d | 251 | * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) |
bb8c093b CH |
252 | * iwl3945_bg_ <-- Called from work queue context |
253 | * iwl3945_mac_ <-- mac80211 callback | |
5d08cd1d CH |
254 | * |
255 | ****************************************************************************/ | |
4a8a4322 AK |
256 | extern void iwl3945_hw_rx_handler_setup(struct iwl_priv *priv); |
257 | extern void iwl3945_hw_setup_deferred_work(struct iwl_priv *priv); | |
258 | extern void iwl3945_hw_cancel_deferred_work(struct iwl_priv *priv); | |
259 | extern int iwl3945_hw_rxq_stop(struct iwl_priv *priv); | |
260 | extern int iwl3945_hw_set_hw_params(struct iwl_priv *priv); | |
261 | extern int iwl3945_hw_nic_init(struct iwl_priv *priv); | |
262 | extern int iwl3945_hw_nic_stop_master(struct iwl_priv *priv); | |
263 | extern void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv); | |
264 | extern void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv); | |
265 | extern int iwl3945_hw_nic_reset(struct iwl_priv *priv); | |
7aaa1d79 SO |
266 | extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, |
267 | struct iwl_tx_queue *txq, | |
268 | dma_addr_t addr, u16 len, | |
269 | u8 reset, u8 pad); | |
270 | extern void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, | |
271 | struct iwl_tx_queue *txq); | |
4a8a4322 AK |
272 | extern int iwl3945_hw_get_temperature(struct iwl_priv *priv); |
273 | extern int iwl3945_hw_tx_queue_init(struct iwl_priv *priv, | |
188cf6c7 | 274 | struct iwl_tx_queue *txq); |
4a8a4322 | 275 | extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv, |
bb8c093b | 276 | struct iwl3945_frame *frame, u8 rate); |
c2acea8e JB |
277 | void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, |
278 | struct iwl_device_cmd *cmd, | |
279 | struct ieee80211_tx_info *info, | |
280 | struct ieee80211_hdr *hdr, | |
281 | int sta_id, int tx_id); | |
4a8a4322 AK |
282 | extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv); |
283 | extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power); | |
284 | extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv, | |
6100b588 | 285 | struct iwl_rx_mem_buffer *rxb); |
4a8a4322 AK |
286 | extern void iwl3945_disable_events(struct iwl_priv *priv); |
287 | extern int iwl4965_get_temperature(const struct iwl_priv *priv); | |
5bbe233b | 288 | extern void iwl3945_post_associate(struct iwl_priv *priv); |
60690a6a | 289 | extern void iwl3945_config_ap(struct iwl_priv *priv); |
5d08cd1d CH |
290 | |
291 | /** | |
bb8c093b | 292 | * iwl3945_hw_find_station - Find station id for a given BSSID |
5d08cd1d CH |
293 | * @bssid: MAC address of station ID to find |
294 | * | |
295 | * NOTE: This should not be hardware specific but the code has | |
296 | * not yet been merged into a single common layer for managing the | |
297 | * station tables. | |
298 | */ | |
4a8a4322 | 299 | extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid); |
5d08cd1d | 300 | |
b481de9c ZY |
301 | /* |
302 | * Forward declare iwl-3945.c functions for iwl-base.c | |
303 | */ | |
4a8a4322 AK |
304 | extern __le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv); |
305 | extern int iwl3945_init_hw_rate_table(struct iwl_priv *priv); | |
306 | extern void iwl3945_reg_txpower_periodic(struct iwl_priv *priv); | |
307 | extern int iwl3945_txpower_set_from_eeprom(struct iwl_priv *priv); | |
308 | extern u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, | |
b481de9c | 309 | u16 tx_rate, u8 flags); |
5d08cd1d | 310 | |
d20b3c65 | 311 | extern const struct iwl_channel_info *iwl3945_get_channel_info( |
4a8a4322 | 312 | const struct iwl_priv *priv, enum ieee80211_band band, u16 channel); |
5d08cd1d | 313 | |
4a8a4322 | 314 | extern int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate); |
e6a9854b | 315 | |
4a8a4322 | 316 | /* Requires full declaration of iwl_priv before including */ |
5d49f498 | 317 | #include "iwl-io.h" |
5d08cd1d | 318 | |
b481de9c | 319 | #endif |