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diff --git a/drivers/net/wireless/iwlegacy/iwl-3945.h b/drivers/net/wireless/iwlegacy/iwl-3945.h
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1/******************************************************************************
2 *
3 * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
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:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
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 */
31
32#ifndef __il_3945_h__
33#define __il_3945_h__
34
35#include <linux/pci.h> /* for struct pci_device_id */
36#include <linux/kernel.h>
37#include <net/ieee80211_radiotap.h>
38
39/* Hardware specific file defines the PCI IDs table for that hardware module */
40extern const struct pci_device_id il3945_hw_card_ids[];
41
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"
50
51/* Highest firmware API version supported */
52#define IL3945_UCODE_API_MAX 2
53
54/* Lowest firmware API version supported */
55#define IL3945_UCODE_API_MIN 1
56
57#define IL3945_FW_PRE "iwlwifi-3945-"
58#define _IL3945_MODULE_FIRMWARE(api) IL3945_FW_PRE #api ".ucode"
59#define IL3945_MODULE_FIRMWARE(api) _IL3945_MODULE_FIRMWARE(api)
60
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 stats 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 IL_NOISE_MEAS_NOT_AVAILABLE (-127)
73
74/* Module parameters accessible from iwl-*.c */
75extern struct il_mod_params il3945_mod_params;
76
77struct il3945_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
86struct il3945_rs_sta {
87 spinlock_t lock;
88 struct il_priv *il;
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 il3945_rate_scale_data win[RATE_COUNT_3945];
100#ifdef CONFIG_MAC80211_DEBUGFS
101 struct dentry *rs_sta_dbgfs_stats_table_file;
102#endif
103
104 /* used to be in sta_info */
105 int last_txrate_idx;
106};
107
108
109/*
110 * The common struct MUST be first because it is shared between
111 * 3945 and 4965!
112 */
113struct il3945_sta_priv {
114 struct il_station_priv_common common;
115 struct il3945_rs_sta rs_sta;
116};
117
118enum il3945_antenna {
119 IL_ANTENNA_DIVERSITY,
120 IL_ANTENNA_MAIN,
121 IL_ANTENNA_AUX
122};
123
124/*
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.
131 */
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
140
141#define IL_TX_FIFO_AC0 0
142#define IL_TX_FIFO_AC1 1
143#define IL_TX_FIFO_AC2 2
144#define IL_TX_FIFO_AC3 3
145#define IL_TX_FIFO_HCCA_1 5
146#define IL_TX_FIFO_HCCA_2 6
147#define IL_TX_FIFO_NONE 7
148
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)
153
154struct il3945_frame {
155 union {
156 struct ieee80211_hdr frame;
157 struct il3945_tx_beacon_cmd beacon;
158 u8 raw[IEEE80211_FRAME_LEN];
159 u8 cmd[360];
160 } u;
161 struct list_head list;
162};
163
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)
167
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
171
172#define IL_SUPPORTED_RATES_IE_LEN 8
173
174#define SCAN_INTERVAL 100
175
176#define MAX_TID_COUNT 9
177
178#define IL_INVALID_RATE 0xFF
179#define IL_INVALID_VALUE -1
180
181#define STA_PS_STATUS_WAKE 0
182#define STA_PS_STATUS_SLEEP 1
183
184struct il3945_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;
190};
191
192#define IL_RX_HDR(x) ((struct il3945_rx_frame_hdr *)(\
193 x->u.rx_frame.stats.payload + \
194 x->u.rx_frame.stats.phy_count))
195#define IL_RX_END(x) ((struct il3945_rx_frame_end *)(\
196 IL_RX_HDR(x)->payload + \
197 le16_to_cpu(IL_RX_HDR(x)->len)))
198#define IL_RX_STATS(x) (&x->u.rx_frame.stats)
199#define IL_RX_DATA(x) (IL_RX_HDR(x)->payload)
200
201
202/******************************************************************************
203 *
204 * Functions implemented in iwl3945-base.c which are forward declared here
205 * for use by iwl-*.c
206 *
207 *****************************************************************************/
208extern int il3945_calc_db_from_ratio(int sig_ratio);
209extern void il3945_rx_replenish(void *data);
210extern void il3945_rx_queue_reset(struct il_priv *il, struct il_rx_queue *rxq);
211extern unsigned int il3945_fill_beacon_frame(struct il_priv *il,
212 struct ieee80211_hdr *hdr, int left);
213extern int il3945_dump_nic_event_log(struct il_priv *il, bool full_log,
214 char **buf, bool display);
215extern void il3945_dump_nic_error_log(struct il_priv *il);
216
217/******************************************************************************
218 *
219 * Functions implemented in iwl-[34]*.c which are forward declared here
220 * for use by iwl3945-base.c
221 *
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)
224 *
225 * Naming convention --
226 * il3945_ <-- Its part of iwlwifi (should be changed to il3945_)
227 * il3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
228 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
229 * il3945_bg_ <-- Called from work queue context
230 * il3945_mac_ <-- mac80211 callback
231 *
232 ****************************************************************************/
233extern void il3945_hw_rx_handler_setup(struct il_priv *il);
234extern void il3945_hw_setup_deferred_work(struct il_priv *il);
235extern void il3945_hw_cancel_deferred_work(struct il_priv *il);
236extern int il3945_hw_rxq_stop(struct il_priv *il);
237extern int il3945_hw_set_hw_params(struct il_priv *il);
238extern int il3945_hw_nic_init(struct il_priv *il);
239extern int il3945_hw_nic_stop_master(struct il_priv *il);
240extern void il3945_hw_txq_ctx_free(struct il_priv *il);
241extern void il3945_hw_txq_ctx_stop(struct il_priv *il);
242extern int il3945_hw_nic_reset(struct il_priv *il);
243extern int il3945_hw_txq_attach_buf_to_tfd(struct il_priv *il,
244 struct il_tx_queue *txq,
245 dma_addr_t addr, u16 len,
246 u8 reset, u8 pad);
247extern void il3945_hw_txq_free_tfd(struct il_priv *il,
248 struct il_tx_queue *txq);
249extern int il3945_hw_get_temperature(struct il_priv *il);
250extern int il3945_hw_tx_queue_init(struct il_priv *il,
251 struct il_tx_queue *txq);
252extern unsigned int il3945_hw_get_beacon_cmd(struct il_priv *il,
253 struct il3945_frame *frame, u8 rate);
254void il3945_hw_build_tx_cmd_rate(struct il_priv *il,
255 struct il_device_cmd *cmd,
256 struct ieee80211_tx_info *info,
257 struct ieee80211_hdr *hdr,
258 int sta_id, int tx_id);
259extern int il3945_hw_reg_send_txpower(struct il_priv *il);
260extern int il3945_hw_reg_set_txpower(struct il_priv *il, s8 power);
261extern void il3945_hw_rx_stats(struct il_priv *il,
262 struct il_rx_buf *rxb);
263void il3945_reply_stats(struct il_priv *il,
264 struct il_rx_buf *rxb);
265extern void il3945_disable_events(struct il_priv *il);
266extern int il4965_get_temperature(const struct il_priv *il);
267extern void il3945_post_associate(struct il_priv *il);
268extern void il3945_config_ap(struct il_priv *il);
269
270extern int il3945_commit_rxon(struct il_priv *il,
271 struct il_rxon_context *ctx);
272
273/**
274 * il3945_hw_find_station - Find station id for a given BSSID
275 * @bssid: MAC address of station ID to find
276 *
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.
280 */
281extern u8 il3945_hw_find_station(struct il_priv *il, const u8 *bssid);
282
283extern struct ieee80211_ops il3945_hw_ops;
284
285/*
286 * Forward declare iwl-3945.c functions for iwl3945-base.c
287 */
288extern __le32 il3945_get_antenna_flags(const struct il_priv *il);
289extern int il3945_init_hw_rate_table(struct il_priv *il);
290extern void il3945_reg_txpower_periodic(struct il_priv *il);
291extern int il3945_txpower_set_from_eeprom(struct il_priv *il);
292
293extern const struct il_channel_info *il3945_get_channel_info(
294 const struct il_priv *il, enum ieee80211_band band, u16 channel);
295
296extern int il3945_rs_next_rate(struct il_priv *il, int rate);
297
298/* scanning */
299int il3945_request_scan(struct il_priv *il, struct ieee80211_vif *vif);
300void il3945_post_scan(struct il_priv *il);
301
302/* rates */
303extern const struct il3945_rate_info il3945_rates[RATE_COUNT_3945];
304
305/* Requires full declaration of il_priv before including */
306#include "iwl-io.h"
307
308#endif
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