ath: Convert ath_print to ath_dbg
[linux-2.6/btrfs-unstable.git] / drivers / net / wireless / iwlwifi / iwl-3945.h
blob3eef1eb74a78f8b9f825d132e50a95c4b587d662
1 /******************************************************************************
3 * Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved.
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.
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.
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
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.
32 #ifndef __iwl_3945_h__
33 #define __iwl_3945_h__
35 #include <linux/pci.h> /* for struct pci_device_id */
36 #include <linux/kernel.h>
37 #include <net/ieee80211_radiotap.h>
39 /* Hardware specific file defines the PCI IDs table for that hardware module */
40 extern const struct pci_device_id iwl3945_hw_card_ids[];
42 #include "iwl-csr.h"
43 #include "iwl-prph.h"
44 #include "iwl-fh.h"
45 #include "iwl-3945-hw.h"
46 #include "iwl-debug.h"
47 #include "iwl-power.h"
48 #include "iwl-dev.h"
49 #include "iwl-led.h"
51 /* Highest firmware API version supported */
52 #define IWL3945_UCODE_API_MAX 2
54 /* Lowest firmware API version supported */
55 #define IWL3945_UCODE_API_MIN 1
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)
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)
74 /* Module parameters accessible from iwl-*.c */
75 extern struct iwl_mod_params iwl3945_mod_params;
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;
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 struct timer_list rate_scale_flush;
99 struct iwl3945_rate_scale_data win[IWL_RATE_COUNT_3945];
100 #ifdef CONFIG_MAC80211_DEBUGFS
101 struct dentry *rs_sta_dbgfs_stats_table_file;
102 #endif
104 /* used to be in sta_info */
105 int last_txrate_idx;
110 * The common struct MUST be first because it is shared between
111 * 3945 and agn!
113 struct iwl3945_sta_priv {
114 struct iwl_station_priv_common common;
115 struct iwl3945_rs_sta rs_sta;
118 enum iwl3945_antenna {
119 IWL_ANTENNA_DIVERSITY,
120 IWL_ANTENNA_MAIN,
121 IWL_ANTENNA_AUX
125 * RTS threshold here is total size [2347] minus 4 FCS bytes
126 * Per spec:
127 * a value of 0 means RTS on all data/management packets
128 * a value > max MSDU size means no RTS
129 * else RTS for data/management frames where MPDU is larger
130 * than RTS value.
132 #define DEFAULT_RTS_THRESHOLD 2347U
133 #define MIN_RTS_THRESHOLD 0U
134 #define MAX_RTS_THRESHOLD 2347U
135 #define MAX_MSDU_SIZE 2304U
136 #define MAX_MPDU_SIZE 2346U
137 #define DEFAULT_BEACON_INTERVAL 100U
138 #define DEFAULT_SHORT_RETRY_LIMIT 7U
139 #define DEFAULT_LONG_RETRY_LIMIT 4U
141 #define IWL_TX_FIFO_AC0 0
142 #define IWL_TX_FIFO_AC1 1
143 #define IWL_TX_FIFO_AC2 2
144 #define IWL_TX_FIFO_AC3 3
145 #define IWL_TX_FIFO_HCCA_1 5
146 #define IWL_TX_FIFO_HCCA_2 6
147 #define IWL_TX_FIFO_NONE 7
149 #define IEEE80211_DATA_LEN 2304
150 #define IEEE80211_4ADDR_LEN 30
151 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
152 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
154 struct iwl3945_frame {
155 union {
156 struct ieee80211_hdr frame;
157 struct iwl3945_tx_beacon_cmd beacon;
158 u8 raw[IEEE80211_FRAME_LEN];
159 u8 cmd[360];
160 } u;
161 struct list_head list;
164 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
165 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
166 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
168 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
169 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
170 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
172 #define IWL_SUPPORTED_RATES_IE_LEN 8
174 #define SCAN_INTERVAL 100
176 #define MAX_TID_COUNT 9
178 #define IWL_INVALID_RATE 0xFF
179 #define IWL_INVALID_VALUE -1
181 #define STA_PS_STATUS_WAKE 0
182 #define STA_PS_STATUS_SLEEP 1
184 struct iwl3945_ibss_seq {
185 u8 mac[ETH_ALEN];
186 u16 seq_num;
187 u16 frag_num;
188 unsigned long packet_time;
189 struct list_head list;
192 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
193 x->u.rx_frame.stats.payload + \
194 x->u.rx_frame.stats.phy_count))
195 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
196 IWL_RX_HDR(x)->payload + \
197 le16_to_cpu(IWL_RX_HDR(x)->len)))
198 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
199 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
202 /******************************************************************************
204 * Functions implemented in iwl-base.c which are forward declared here
205 * for use by iwl-*.c
207 *****************************************************************************/
208 extern int iwl3945_calc_db_from_ratio(int sig_ratio);
209 extern void iwl3945_rx_replenish(void *data);
210 extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
211 extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv,
212 struct ieee80211_hdr *hdr,int left);
213 extern int iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
214 char **buf, bool display);
215 extern void iwl3945_dump_nic_error_log(struct iwl_priv *priv);
217 /******************************************************************************
219 * Functions implemented in iwl-[34]*.c which are forward declared here
220 * for use by iwl-base.c
222 * NOTE: The implementation of these functions are hardware specific
223 * which is why they are in the hardware specific files (vs. iwl-base.c)
225 * Naming convention --
226 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
227 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
228 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
229 * iwl3945_bg_ <-- Called from work queue context
230 * iwl3945_mac_ <-- mac80211 callback
232 ****************************************************************************/
233 extern void iwl3945_hw_rx_handler_setup(struct iwl_priv *priv);
234 extern void iwl3945_hw_setup_deferred_work(struct iwl_priv *priv);
235 extern void iwl3945_hw_cancel_deferred_work(struct iwl_priv *priv);
236 extern int iwl3945_hw_rxq_stop(struct iwl_priv *priv);
237 extern int iwl3945_hw_set_hw_params(struct iwl_priv *priv);
238 extern int iwl3945_hw_nic_init(struct iwl_priv *priv);
239 extern int iwl3945_hw_nic_stop_master(struct iwl_priv *priv);
240 extern void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv);
241 extern void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv);
242 extern int iwl3945_hw_nic_reset(struct iwl_priv *priv);
243 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
244 struct iwl_tx_queue *txq,
245 dma_addr_t addr, u16 len,
246 u8 reset, u8 pad);
247 extern void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv,
248 struct iwl_tx_queue *txq);
249 extern int iwl3945_hw_get_temperature(struct iwl_priv *priv);
250 extern int iwl3945_hw_tx_queue_init(struct iwl_priv *priv,
251 struct iwl_tx_queue *txq);
252 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv,
253 struct iwl3945_frame *frame, u8 rate);
254 void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
255 struct iwl_device_cmd *cmd,
256 struct ieee80211_tx_info *info,
257 struct ieee80211_hdr *hdr,
258 int sta_id, int tx_id);
259 extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv);
260 extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
261 extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
262 struct iwl_rx_mem_buffer *rxb);
263 void iwl3945_reply_statistics(struct iwl_priv *priv,
264 struct iwl_rx_mem_buffer *rxb);
265 extern void iwl3945_disable_events(struct iwl_priv *priv);
266 extern int iwl4965_get_temperature(const struct iwl_priv *priv);
267 extern void iwl3945_post_associate(struct iwl_priv *priv);
268 extern void iwl3945_config_ap(struct iwl_priv *priv);
270 extern int iwl3945_commit_rxon(struct iwl_priv *priv,
271 struct iwl_rxon_context *ctx);
274 * iwl3945_hw_find_station - Find station id for a given BSSID
275 * @bssid: MAC address of station ID to find
277 * NOTE: This should not be hardware specific but the code has
278 * not yet been merged into a single common layer for managing the
279 * station tables.
281 extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
283 extern struct ieee80211_ops iwl3945_hw_ops;
286 * Forward declare iwl-3945.c functions for iwl-base.c
288 extern __le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv);
289 extern int iwl3945_init_hw_rate_table(struct iwl_priv *priv);
290 extern void iwl3945_reg_txpower_periodic(struct iwl_priv *priv);
291 extern int iwl3945_txpower_set_from_eeprom(struct iwl_priv *priv);
293 extern const struct iwl_channel_info *iwl3945_get_channel_info(
294 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
296 extern int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate);
298 /* scanning */
299 int iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif);
300 void iwl3945_post_scan(struct iwl_priv *priv);
302 /* rates */
303 extern const struct iwl3945_rate_info iwl3945_rates[IWL_RATE_COUNT_3945];
305 /* Requires full declaration of iwl_priv before including */
306 #include "iwl-io.h"
308 #endif