320 lines
11 KiB
C
320 lines
11 KiB
C
/******************************************************************************
|
|
*
|
|
* Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
|
|
*
|
|
* The full GNU General Public License is included in this distribution in the
|
|
* file called LICENSE.
|
|
*
|
|
* Contact Information:
|
|
* Intel Linux Wireless <ilw@linux.intel.com>
|
|
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
|
*
|
|
*****************************************************************************/
|
|
/*
|
|
* Please use this file (iwl-3945.h) for driver implementation definitions.
|
|
* Please use iwl-3945-commands.h for uCode API definitions.
|
|
* Please use iwl-3945-hw.h for hardware-related definitions.
|
|
*/
|
|
|
|
#ifndef __iwl_3945_h__
|
|
#define __iwl_3945_h__
|
|
|
|
#include <linux/pci.h> /* for struct pci_device_id */
|
|
#include <linux/kernel.h>
|
|
#include <net/ieee80211_radiotap.h>
|
|
|
|
/* Hardware specific file defines the PCI IDs table for that hardware module */
|
|
extern struct pci_device_id iwl3945_hw_card_ids[];
|
|
|
|
#include "iwl-csr.h"
|
|
#include "iwl-prph.h"
|
|
#include "iwl-fh.h"
|
|
#include "iwl-3945-hw.h"
|
|
#include "iwl-debug.h"
|
|
#include "iwl-power.h"
|
|
#include "iwl-dev.h"
|
|
#include "iwl-led.h"
|
|
|
|
/* Highest firmware API version supported */
|
|
#define IWL3945_UCODE_API_MAX 2
|
|
|
|
/* Lowest firmware API version supported */
|
|
#define IWL3945_UCODE_API_MIN 1
|
|
|
|
#define IWL3945_FW_PRE "iwlwifi-3945-"
|
|
#define _IWL3945_MODULE_FIRMWARE(api) IWL3945_FW_PRE #api ".ucode"
|
|
#define IWL3945_MODULE_FIRMWARE(api) _IWL3945_MODULE_FIRMWARE(api)
|
|
|
|
/* Default noise level to report when noise measurement is not available.
|
|
* This may be because we're:
|
|
* 1) Not associated (4965, no beacon statistics being sent to driver)
|
|
* 2) Scanning (noise measurement does not apply to associated channel)
|
|
* 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
|
|
* Use default noise value of -127 ... this is below the range of measurable
|
|
* Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
|
|
* Also, -127 works better than 0 when averaging frames with/without
|
|
* noise info (e.g. averaging might be done in app); measured dBm values are
|
|
* always negative ... using a negative value as the default keeps all
|
|
* averages within an s8's (used in some apps) range of negative values. */
|
|
#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
|
|
|
|
/* Module parameters accessible from iwl-*.c */
|
|
extern struct iwl_mod_params iwl3945_mod_params;
|
|
|
|
struct iwl3945_rate_scale_data {
|
|
u64 data;
|
|
s32 success_counter;
|
|
s32 success_ratio;
|
|
s32 counter;
|
|
s32 average_tpt;
|
|
unsigned long stamp;
|
|
};
|
|
|
|
struct iwl3945_rs_sta {
|
|
spinlock_t lock;
|
|
struct iwl_priv *priv;
|
|
s32 *expected_tpt;
|
|
unsigned long last_partial_flush;
|
|
unsigned long last_flush;
|
|
u32 flush_time;
|
|
u32 last_tx_packets;
|
|
u32 tx_packets;
|
|
u8 tgg;
|
|
u8 flush_pending;
|
|
u8 start_rate;
|
|
u8 ibss_sta_added;
|
|
struct timer_list rate_scale_flush;
|
|
struct iwl3945_rate_scale_data win[IWL_RATE_COUNT_3945];
|
|
#ifdef CONFIG_MAC80211_DEBUGFS
|
|
struct dentry *rs_sta_dbgfs_stats_table_file;
|
|
#endif
|
|
|
|
/* used to be in sta_info */
|
|
int last_txrate_idx;
|
|
};
|
|
|
|
|
|
struct iwl3945_sta_priv {
|
|
struct iwl3945_rs_sta rs_sta;
|
|
};
|
|
|
|
enum iwl3945_antenna {
|
|
IWL_ANTENNA_DIVERSITY,
|
|
IWL_ANTENNA_MAIN,
|
|
IWL_ANTENNA_AUX
|
|
};
|
|
|
|
/*
|
|
* RTS threshold here is total size [2347] minus 4 FCS bytes
|
|
* Per spec:
|
|
* a value of 0 means RTS on all data/management packets
|
|
* a value > max MSDU size means no RTS
|
|
* else RTS for data/management frames where MPDU is larger
|
|
* than RTS value.
|
|
*/
|
|
#define DEFAULT_RTS_THRESHOLD 2347U
|
|
#define MIN_RTS_THRESHOLD 0U
|
|
#define MAX_RTS_THRESHOLD 2347U
|
|
#define MAX_MSDU_SIZE 2304U
|
|
#define MAX_MPDU_SIZE 2346U
|
|
#define DEFAULT_BEACON_INTERVAL 100U
|
|
#define DEFAULT_SHORT_RETRY_LIMIT 7U
|
|
#define DEFAULT_LONG_RETRY_LIMIT 4U
|
|
|
|
#include "iwl-agn-rs.h"
|
|
|
|
#define IWL_TX_FIFO_AC0 0
|
|
#define IWL_TX_FIFO_AC1 1
|
|
#define IWL_TX_FIFO_AC2 2
|
|
#define IWL_TX_FIFO_AC3 3
|
|
#define IWL_TX_FIFO_HCCA_1 5
|
|
#define IWL_TX_FIFO_HCCA_2 6
|
|
#define IWL_TX_FIFO_NONE 7
|
|
|
|
#define IEEE80211_DATA_LEN 2304
|
|
#define IEEE80211_4ADDR_LEN 30
|
|
#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
|
|
#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
|
|
|
|
struct iwl3945_frame {
|
|
union {
|
|
struct ieee80211_hdr frame;
|
|
struct iwl3945_tx_beacon_cmd beacon;
|
|
u8 raw[IEEE80211_FRAME_LEN];
|
|
u8 cmd[360];
|
|
} u;
|
|
struct list_head list;
|
|
};
|
|
|
|
#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
|
|
#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
|
|
#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
|
|
|
|
#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
|
|
#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
|
|
#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
|
|
|
|
#define IWL_SUPPORTED_RATES_IE_LEN 8
|
|
|
|
#define SCAN_INTERVAL 100
|
|
|
|
#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
|
|
#define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
|
|
#define STATUS_INT_ENABLED 2
|
|
#define STATUS_RF_KILL_HW 3
|
|
#define STATUS_INIT 5
|
|
#define STATUS_ALIVE 6
|
|
#define STATUS_READY 7
|
|
#define STATUS_TEMPERATURE 8
|
|
#define STATUS_GEO_CONFIGURED 9
|
|
#define STATUS_EXIT_PENDING 10
|
|
#define STATUS_STATISTICS 12
|
|
#define STATUS_SCANNING 13
|
|
#define STATUS_SCAN_ABORTING 14
|
|
#define STATUS_SCAN_HW 15
|
|
#define STATUS_POWER_PMI 16
|
|
#define STATUS_FW_ERROR 17
|
|
#define STATUS_CONF_PENDING 18
|
|
|
|
#define MAX_TID_COUNT 9
|
|
|
|
#define IWL_INVALID_RATE 0xFF
|
|
#define IWL_INVALID_VALUE -1
|
|
|
|
#define STA_PS_STATUS_WAKE 0
|
|
#define STA_PS_STATUS_SLEEP 1
|
|
|
|
struct iwl3945_ibss_seq {
|
|
u8 mac[ETH_ALEN];
|
|
u16 seq_num;
|
|
u16 frag_num;
|
|
unsigned long packet_time;
|
|
struct list_head list;
|
|
};
|
|
|
|
#define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
|
|
x->u.rx_frame.stats.payload + \
|
|
x->u.rx_frame.stats.phy_count))
|
|
#define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
|
|
IWL_RX_HDR(x)->payload + \
|
|
le16_to_cpu(IWL_RX_HDR(x)->len)))
|
|
#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
|
|
#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* Functions implemented in iwl-base.c which are forward declared here
|
|
* for use by iwl-*.c
|
|
*
|
|
*****************************************************************************/
|
|
extern int iwl3945_calc_db_from_ratio(int sig_ratio);
|
|
extern void iwl3945_rx_replenish(void *data);
|
|
extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
|
|
extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv,
|
|
struct ieee80211_hdr *hdr,int left);
|
|
extern int iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
|
|
char **buf, bool display);
|
|
extern void iwl3945_dump_nic_error_log(struct iwl_priv *priv);
|
|
|
|
/*
|
|
* Currently used by iwl-3945-rs... look at restructuring so that it doesn't
|
|
* call this... todo... fix that.
|
|
*/
|
|
extern u8 iwl3945_sync_station(struct iwl_priv *priv, int sta_id,
|
|
u16 tx_rate, u8 flags);
|
|
|
|
/******************************************************************************
|
|
*
|
|
* Functions implemented in iwl-[34]*.c which are forward declared here
|
|
* for use by iwl-base.c
|
|
*
|
|
* NOTE: The implementation of these functions are hardware specific
|
|
* which is why they are in the hardware specific files (vs. iwl-base.c)
|
|
*
|
|
* Naming convention --
|
|
* iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
|
|
* iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
|
|
* iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
|
|
* iwl3945_bg_ <-- Called from work queue context
|
|
* iwl3945_mac_ <-- mac80211 callback
|
|
*
|
|
****************************************************************************/
|
|
extern void iwl3945_hw_rx_handler_setup(struct iwl_priv *priv);
|
|
extern void iwl3945_hw_setup_deferred_work(struct iwl_priv *priv);
|
|
extern void iwl3945_hw_cancel_deferred_work(struct iwl_priv *priv);
|
|
extern int iwl3945_hw_rxq_stop(struct iwl_priv *priv);
|
|
extern int iwl3945_hw_set_hw_params(struct iwl_priv *priv);
|
|
extern int iwl3945_hw_nic_init(struct iwl_priv *priv);
|
|
extern int iwl3945_hw_nic_stop_master(struct iwl_priv *priv);
|
|
extern void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv);
|
|
extern void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv);
|
|
extern int iwl3945_hw_nic_reset(struct iwl_priv *priv);
|
|
extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
|
|
struct iwl_tx_queue *txq,
|
|
dma_addr_t addr, u16 len,
|
|
u8 reset, u8 pad);
|
|
extern void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv,
|
|
struct iwl_tx_queue *txq);
|
|
extern int iwl3945_hw_get_temperature(struct iwl_priv *priv);
|
|
extern int iwl3945_hw_tx_queue_init(struct iwl_priv *priv,
|
|
struct iwl_tx_queue *txq);
|
|
extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv,
|
|
struct iwl3945_frame *frame, u8 rate);
|
|
void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
|
|
struct iwl_device_cmd *cmd,
|
|
struct ieee80211_tx_info *info,
|
|
struct ieee80211_hdr *hdr,
|
|
int sta_id, int tx_id);
|
|
extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv);
|
|
extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
|
|
extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
|
|
struct iwl_rx_mem_buffer *rxb);
|
|
extern void iwl3945_disable_events(struct iwl_priv *priv);
|
|
extern int iwl4965_get_temperature(const struct iwl_priv *priv);
|
|
extern void iwl3945_post_associate(struct iwl_priv *priv);
|
|
extern void iwl3945_config_ap(struct iwl_priv *priv);
|
|
|
|
/**
|
|
* iwl3945_hw_find_station - Find station id for a given BSSID
|
|
* @bssid: MAC address of station ID to find
|
|
*
|
|
* NOTE: This should not be hardware specific but the code has
|
|
* not yet been merged into a single common layer for managing the
|
|
* station tables.
|
|
*/
|
|
extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
|
|
|
|
/*
|
|
* Forward declare iwl-3945.c functions for iwl-base.c
|
|
*/
|
|
extern __le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv);
|
|
extern int iwl3945_init_hw_rate_table(struct iwl_priv *priv);
|
|
extern void iwl3945_reg_txpower_periodic(struct iwl_priv *priv);
|
|
extern int iwl3945_txpower_set_from_eeprom(struct iwl_priv *priv);
|
|
extern u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
|
|
u16 tx_rate, u8 flags);
|
|
|
|
extern const struct iwl_channel_info *iwl3945_get_channel_info(
|
|
const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
|
|
|
|
extern int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate);
|
|
|
|
/* Requires full declaration of iwl_priv before including */
|
|
#include "iwl-io.h"
|
|
|
|
#endif
|