blob: 452dfd5456c6ed5506a1efbcc3a6e281c8d39240 [file] [log] [blame]
Zhu Yib481de92007-09-25 17:54:57 -07001/******************************************************************************
2 *
Reinette Chatre1f447802010-01-15 13:43:41 -08003 * Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved.
Zhu Yib481de92007-09-25 17:54:57 -07004 *
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:
Winkler, Tomas759ef892008-12-09 11:28:58 -080022 * Intel Linux Wireless <ilw@linux.intel.com>
Zhu Yib481de92007-09-25 17:54:57 -070023 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
Ben Cahillfcd427b2007-11-29 11:10:00 +080026/*
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 */
Zhu Yib481de92007-09-25 17:54:57 -070031
32#ifndef __iwl_3945_h__
33#define __iwl_3945_h__
34
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080035#include <linux/pci.h> /* for struct pci_device_id */
36#include <linux/kernel.h>
37#include <net/ieee80211_radiotap.h>
38
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080039/* Hardware specific file defines the PCI IDs table for that hardware module */
Alexey Dobriyana3aa1882010-01-07 11:58:11 +000040extern const struct pci_device_id iwl3945_hw_card_ids[];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080041
Tomas Winkler6f83eaa2008-03-04 18:09:28 -080042#include "iwl-csr.h"
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080043#include "iwl-prph.h"
Winkler, Tomasdbb66542008-12-22 11:31:14 +080044#include "iwl-fh.h"
Tomas Winkler6f83eaa2008-03-04 18:09:28 -080045#include "iwl-3945-hw.h"
Samuel Ortiz40b8ec02008-12-19 10:37:08 +080046#include "iwl-debug.h"
Samuel Ortiz1125eff2008-12-19 10:37:14 +080047#include "iwl-power.h"
Samuel Ortizd20b3c62008-12-19 10:37:15 +080048#include "iwl-dev.h"
Johannes Berge932a602009-10-02 13:44:03 -070049#include "iwl-led.h"
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080050
Reinette Chatrea0987a82008-12-02 12:14:06 -080051/* Highest firmware API version supported */
Abhijeet Kolekar011a0332008-12-02 12:14:07 -080052#define IWL3945_UCODE_API_MAX 2
Reinette Chatrea0987a82008-12-02 12:14:06 -080053
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)
Tomas Winkler4bf775c2008-03-04 18:09:31 -080060
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080061/* 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 */
Kolekar, Abhijeetdf878d82008-12-19 10:37:35 +080075extern struct iwl_mod_params iwl3945_mod_params;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080076
Reinette Chatre62a94922009-10-30 14:36:13 -070077struct 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
86struct 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
Johannes Berg4b7679a2008-09-18 18:14:18 +0200110struct iwl3945_sta_priv {
Reinette Chatre62a94922009-10-30 14:36:13 -0700111 struct iwl3945_rs_sta rs_sta;
Johannes Berg4b7679a2008-09-18 18:14:18 +0200112};
113
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800114enum iwl3945_antenna {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800115 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
Samuel Ortizd9829a62008-12-19 10:37:12 +0800137#include "iwl-agn-rs.h"
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800138
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
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800147#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
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800152struct iwl3945_frame {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800153 union {
154 struct ieee80211_hdr frame;
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800155 struct iwl3945_tx_beacon_cmd beacon;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800156 u8 raw[IEEE80211_FRAME_LEN];
157 u8 cmd[360];
158 } u;
159 struct list_head list;
160};
161
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800162#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
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800166#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
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800170#define IWL_SUPPORTED_RATES_IE_LEN 8
171
172#define SCAN_INTERVAL 100
173
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800174#define MAX_TID_COUNT 9
175
176#define IWL_INVALID_RATE 0xFF
177#define IWL_INVALID_VALUE -1
178
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800179#define STA_PS_STATUS_WAKE 0
180#define STA_PS_STATUS_SLEEP 1
181
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800182struct iwl3945_ibss_seq {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800183 u8 mac[ETH_ALEN];
184 u16 seq_num;
185 u16 frag_num;
186 unsigned long packet_time;
187 struct list_head list;
188};
189
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800190#define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800191 x->u.rx_frame.stats.payload + \
192 x->u.rx_frame.stats.phy_count))
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800193#define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800194 IWL_RX_HDR(x)->payload + \
195 le16_to_cpu(IWL_RX_HDR(x)->len)))
196#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
197#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
198
199
200/******************************************************************************
201 *
202 * Functions implemented in iwl-base.c which are forward declared here
203 * for use by iwl-*.c
204 *
205 *****************************************************************************/
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800206extern int iwl3945_calc_db_from_ratio(int sig_ratio);
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800207extern void iwl3945_rx_replenish(void *data);
Reinette Chatredf833b12009-04-21 10:55:48 -0700208extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800209extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv,
Rami Rosen73ec1cc2008-12-16 09:37:07 +0200210 struct ieee80211_hdr *hdr,int left);
Wey-Yi Guyb03d7d02009-12-14 14:12:20 -0800211extern int iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
212 char **buf, bool display);
Reinette Chatreb7a79402009-09-25 14:24:23 -0700213extern void iwl3945_dump_nic_error_log(struct iwl_priv *priv);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800214
215/*
216 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
217 * call this... todo... fix that.
218*/
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800219extern u8 iwl3945_sync_station(struct iwl_priv *priv, int sta_id,
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800220 u16 tx_rate, u8 flags);
221
222/******************************************************************************
223 *
224 * Functions implemented in iwl-[34]*.c which are forward declared here
225 * for use by iwl-base.c
226 *
227 * NOTE: The implementation of these functions are hardware specific
228 * which is why they are in the hardware specific files (vs. iwl-base.c)
229 *
230 * Naming convention --
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800231 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
232 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800233 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800234 * iwl3945_bg_ <-- Called from work queue context
235 * iwl3945_mac_ <-- mac80211 callback
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800236 *
237 ****************************************************************************/
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800238extern void iwl3945_hw_rx_handler_setup(struct iwl_priv *priv);
239extern void iwl3945_hw_setup_deferred_work(struct iwl_priv *priv);
240extern void iwl3945_hw_cancel_deferred_work(struct iwl_priv *priv);
241extern int iwl3945_hw_rxq_stop(struct iwl_priv *priv);
242extern int iwl3945_hw_set_hw_params(struct iwl_priv *priv);
243extern int iwl3945_hw_nic_init(struct iwl_priv *priv);
244extern int iwl3945_hw_nic_stop_master(struct iwl_priv *priv);
245extern void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv);
246extern void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv);
247extern int iwl3945_hw_nic_reset(struct iwl_priv *priv);
Samuel Ortiz7aaa1d72009-01-19 15:30:26 -0800248extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
249 struct iwl_tx_queue *txq,
250 dma_addr_t addr, u16 len,
251 u8 reset, u8 pad);
252extern void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv,
253 struct iwl_tx_queue *txq);
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800254extern int iwl3945_hw_get_temperature(struct iwl_priv *priv);
255extern int iwl3945_hw_tx_queue_init(struct iwl_priv *priv,
Samuel Ortiz188cf6c2008-12-22 11:31:16 +0800256 struct iwl_tx_queue *txq);
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800257extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv,
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800258 struct iwl3945_frame *frame, u8 rate);
Johannes Bergc2acea82009-07-24 11:13:05 -0700259void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
260 struct iwl_device_cmd *cmd,
261 struct ieee80211_tx_info *info,
262 struct ieee80211_hdr *hdr,
263 int sta_id, int tx_id);
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800264extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv);
265extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
266extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
Abhijeet Kolekar6100b582008-12-19 10:37:24 +0800267 struct iwl_rx_mem_buffer *rxb);
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800268extern void iwl3945_disable_events(struct iwl_priv *priv);
269extern int iwl4965_get_temperature(const struct iwl_priv *priv);
Abhijeet Kolekar5bbe2332009-04-08 11:26:35 -0700270extern void iwl3945_post_associate(struct iwl_priv *priv);
Abhijeet Kolekar60690a62009-04-08 11:26:49 -0700271extern void iwl3945_config_ap(struct iwl_priv *priv);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800272
273/**
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800274 * iwl3945_hw_find_station - Find station id for a given BSSID
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800275 * @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 */
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800281extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800282
Zhu Yib481de92007-09-25 17:54:57 -0700283/*
284 * Forward declare iwl-3945.c functions for iwl-base.c
285 */
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800286extern __le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv);
287extern int iwl3945_init_hw_rate_table(struct iwl_priv *priv);
288extern void iwl3945_reg_txpower_periodic(struct iwl_priv *priv);
289extern int iwl3945_txpower_set_from_eeprom(struct iwl_priv *priv);
290extern u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
Zhu Yib481de92007-09-25 17:54:57 -0700291 u16 tx_rate, u8 flags);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800292
Samuel Ortizd20b3c62008-12-19 10:37:15 +0800293extern const struct iwl_channel_info *iwl3945_get_channel_info(
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800294 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800295
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800296extern int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate);
Johannes Berge6a98542008-10-21 12:40:02 +0200297
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800298/* Requires full declaration of iwl_priv before including */
Abhijeet Kolekar5d49f492008-12-19 10:37:29 +0800299#include "iwl-io.h"
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800300
Zhu Yib481de92007-09-25 17:54:57 -0700301#endif