963 lines
29 KiB
C
963 lines
29 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* James P. Ketrenos <ipw2100-admin@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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/*
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* Please use this file (iwl-3945.h) for driver implementation definitions.
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* Please use iwl-3945-commands.h for uCode API definitions.
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* Please use iwl-3945-hw.h for hardware-related definitions.
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*/
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#ifndef __iwl_3945_h__
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#define __iwl_3945_h__
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#include <linux/pci.h> /* for struct pci_device_id */
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#include <linux/kernel.h>
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#include <net/ieee80211_radiotap.h>
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/* Hardware specific file defines the PCI IDs table for that hardware module */
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extern struct pci_device_id iwl3945_hw_card_ids[];
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#define DRV_NAME "iwl3945"
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#include "iwl-csr.h"
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#include "iwl-prph.h"
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#include "iwl-3945-hw.h"
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#include "iwl-3945-debug.h"
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#include "iwl-3945-led.h"
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/* Change firmware file name, using "-" and incrementing number,
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* *only* when uCode interface or architecture changes so that it
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* is not compatible with earlier drivers.
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* This number will also appear in << 8 position of 1st dword of uCode file */
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#define IWL3945_UCODE_API "-1"
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/* Default noise level to report when noise measurement is not available.
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* This may be because we're:
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* 1) Not associated (4965, no beacon statistics being sent to driver)
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* 2) Scanning (noise measurement does not apply to associated channel)
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* 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
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* Use default noise value of -127 ... this is below the range of measurable
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* Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
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* Also, -127 works better than 0 when averaging frames with/without
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* noise info (e.g. averaging might be done in app); measured dBm values are
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* always negative ... using a negative value as the default keeps all
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* averages within an s8's (used in some apps) range of negative values. */
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#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
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/* Module parameters accessible from iwl-*.c */
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extern int iwl3945_param_hwcrypto;
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extern int iwl3945_param_queues_num;
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enum iwl3945_antenna {
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IWL_ANTENNA_DIVERSITY,
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IWL_ANTENNA_MAIN,
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IWL_ANTENNA_AUX
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};
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/*
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* RTS threshold here is total size [2347] minus 4 FCS bytes
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* Per spec:
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* a value of 0 means RTS on all data/management packets
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* a value > max MSDU size means no RTS
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* else RTS for data/management frames where MPDU is larger
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* than RTS value.
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*/
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#define IWL_RX_BUF_SIZE 3000U
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#define DEFAULT_RTS_THRESHOLD 2347U
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#define MIN_RTS_THRESHOLD 0U
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#define MAX_RTS_THRESHOLD 2347U
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#define MAX_MSDU_SIZE 2304U
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#define MAX_MPDU_SIZE 2346U
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#define DEFAULT_BEACON_INTERVAL 100U
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#define DEFAULT_SHORT_RETRY_LIMIT 7U
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#define DEFAULT_LONG_RETRY_LIMIT 4U
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struct iwl3945_rx_mem_buffer {
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dma_addr_t dma_addr;
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struct sk_buff *skb;
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struct list_head list;
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};
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/*
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* Generic queue structure
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*
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* Contains common data for Rx and Tx queues
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*/
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struct iwl3945_queue {
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int n_bd; /* number of BDs in this queue */
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int write_ptr; /* 1-st empty entry (index) host_w*/
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int read_ptr; /* last used entry (index) host_r*/
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dma_addr_t dma_addr; /* physical addr for BD's */
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int n_window; /* safe queue window */
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u32 id;
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int low_mark; /* low watermark, resume queue if free
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* space more than this */
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int high_mark; /* high watermark, stop queue if free
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* space less than this */
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} __attribute__ ((packed));
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int iwl3945_queue_space(const struct iwl3945_queue *q);
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int iwl3945_x2_queue_used(const struct iwl3945_queue *q, int i);
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#define MAX_NUM_OF_TBS (20)
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/* One for each TFD */
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struct iwl3945_tx_info {
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struct ieee80211_tx_status status;
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struct sk_buff *skb[MAX_NUM_OF_TBS];
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};
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/**
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* struct iwl3945_tx_queue - Tx Queue for DMA
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* @q: generic Rx/Tx queue descriptor
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* @bd: base of circular buffer of TFDs
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* @cmd: array of command/Tx buffers
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* @dma_addr_cmd: physical address of cmd/tx buffer array
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* @txb: array of per-TFD driver data
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* @need_update: indicates need to update read/write index
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*
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* A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
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* descriptors) and required locking structures.
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*/
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struct iwl3945_tx_queue {
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struct iwl3945_queue q;
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struct iwl3945_tfd_frame *bd;
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struct iwl3945_cmd *cmd;
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dma_addr_t dma_addr_cmd;
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struct iwl3945_tx_info *txb;
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int need_update;
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int active;
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};
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#define IWL_NUM_SCAN_RATES (2)
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struct iwl3945_channel_tgd_info {
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u8 type;
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s8 max_power;
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};
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struct iwl3945_channel_tgh_info {
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s64 last_radar_time;
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};
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/* current Tx power values to use, one for each rate for each channel.
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* requested power is limited by:
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* -- regulatory EEPROM limits for this channel
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* -- hardware capabilities (clip-powers)
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* -- spectrum management
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* -- user preference (e.g. iwconfig)
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* when requested power is set, base power index must also be set. */
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struct iwl3945_channel_power_info {
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struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
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s8 power_table_index; /* actual (compenst'd) index into gain table */
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s8 base_power_index; /* gain index for power at factory temp. */
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s8 requested_power; /* power (dBm) requested for this chnl/rate */
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};
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/* current scan Tx power values to use, one for each scan rate for each
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* channel. */
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struct iwl3945_scan_power_info {
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struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
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s8 power_table_index; /* actual (compenst'd) index into gain table */
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s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
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};
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/*
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* One for each channel, holds all channel setup data
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* Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
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* with one another!
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*/
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#define IWL4965_MAX_RATE (33)
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struct iwl3945_channel_info {
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struct iwl3945_channel_tgd_info tgd;
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struct iwl3945_channel_tgh_info tgh;
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struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */
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struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
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* FAT channel */
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u8 channel; /* channel number */
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u8 flags; /* flags copied from EEPROM */
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s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
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s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
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s8 min_power; /* always 0 */
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s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
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u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
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u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
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enum ieee80211_band band;
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/* Radio/DSP gain settings for each "normal" data Tx rate.
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* These include, in addition to RF and DSP gain, a few fields for
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* remembering/modifying gain settings (indexes). */
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struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
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/* Radio/DSP gain settings for each scan rate, for directed scans. */
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struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
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};
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struct iwl3945_clip_group {
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/* maximum power level to prevent clipping for each rate, derived by
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* us from this band's saturation power in EEPROM */
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const s8 clip_powers[IWL_MAX_RATES];
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};
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#include "iwl-3945-rs.h"
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#define IWL_TX_FIFO_AC0 0
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#define IWL_TX_FIFO_AC1 1
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#define IWL_TX_FIFO_AC2 2
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#define IWL_TX_FIFO_AC3 3
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#define IWL_TX_FIFO_HCCA_1 5
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#define IWL_TX_FIFO_HCCA_2 6
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#define IWL_TX_FIFO_NONE 7
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/* Minimum number of queues. MAX_NUM is defined in hw specific files */
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#define IWL_MIN_NUM_QUEUES 4
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/* Power management (not Tx power) structures */
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struct iwl3945_power_vec_entry {
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struct iwl3945_powertable_cmd cmd;
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u8 no_dtim;
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};
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#define IWL_POWER_RANGE_0 (0)
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#define IWL_POWER_RANGE_1 (1)
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#define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
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#define IWL_POWER_INDEX_3 0x03
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#define IWL_POWER_INDEX_5 0x05
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#define IWL_POWER_AC 0x06
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#define IWL_POWER_BATTERY 0x07
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#define IWL_POWER_LIMIT 0x07
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#define IWL_POWER_MASK 0x0F
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#define IWL_POWER_ENABLED 0x10
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#define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
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struct iwl3945_power_mgr {
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spinlock_t lock;
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struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC];
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struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC];
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u8 active_index;
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u32 dtim_val;
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};
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#define IEEE80211_DATA_LEN 2304
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#define IEEE80211_4ADDR_LEN 30
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#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
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#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
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struct iwl3945_frame {
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union {
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struct ieee80211_hdr frame;
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struct iwl3945_tx_beacon_cmd beacon;
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u8 raw[IEEE80211_FRAME_LEN];
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u8 cmd[360];
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} u;
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struct list_head list;
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};
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#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
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#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
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#define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
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#define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
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#define SEQ_HUGE_FRAME (0x4000)
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#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
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#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
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#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
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#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
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enum {
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/* CMD_SIZE_NORMAL = 0, */
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CMD_SIZE_HUGE = (1 << 0),
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/* CMD_SYNC = 0, */
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CMD_ASYNC = (1 << 1),
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/* CMD_NO_SKB = 0, */
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CMD_WANT_SKB = (1 << 2),
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};
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struct iwl3945_cmd;
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struct iwl3945_priv;
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struct iwl3945_cmd_meta {
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struct iwl3945_cmd_meta *source;
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union {
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struct sk_buff *skb;
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int (*callback)(struct iwl3945_priv *priv,
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struct iwl3945_cmd *cmd, struct sk_buff *skb);
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} __attribute__ ((packed)) u;
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/* The CMD_SIZE_HUGE flag bit indicates that the command
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* structure is stored at the end of the shared queue memory. */
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u32 flags;
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} __attribute__ ((packed));
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/**
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* struct iwl3945_cmd
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*
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* For allocation of the command and tx queues, this establishes the overall
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* size of the largest command we send to uCode, except for a scan command
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* (which is relatively huge; space is allocated separately).
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*/
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struct iwl3945_cmd {
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struct iwl3945_cmd_meta meta;
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struct iwl3945_cmd_header hdr;
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union {
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struct iwl3945_addsta_cmd addsta;
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struct iwl3945_led_cmd led;
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u32 flags;
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u8 val8;
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u16 val16;
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u32 val32;
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struct iwl3945_bt_cmd bt;
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struct iwl3945_rxon_time_cmd rxon_time;
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struct iwl3945_powertable_cmd powertable;
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struct iwl3945_qosparam_cmd qosparam;
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struct iwl3945_tx_cmd tx;
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struct iwl3945_tx_beacon_cmd tx_beacon;
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struct iwl3945_rxon_assoc_cmd rxon_assoc;
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u8 *indirect;
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u8 payload[360];
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} __attribute__ ((packed)) cmd;
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} __attribute__ ((packed));
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struct iwl3945_host_cmd {
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u8 id;
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u16 len;
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struct iwl3945_cmd_meta meta;
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const void *data;
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};
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#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
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sizeof(struct iwl3945_cmd_meta))
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/*
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* RX related structures and functions
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*/
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#define RX_FREE_BUFFERS 64
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#define RX_LOW_WATERMARK 8
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#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
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#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
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#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
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/**
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* struct iwl3945_rx_queue - Rx queue
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* @processed: Internal index to last handled Rx packet
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* @read: Shared index to newest available Rx buffer
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* @write: Shared index to oldest written Rx packet
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* @free_count: Number of pre-allocated buffers in rx_free
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* @rx_free: list of free SKBs for use
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* @rx_used: List of Rx buffers with no SKB
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* @need_update: flag to indicate we need to update read/write index
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*
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* NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
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*/
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struct iwl3945_rx_queue {
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__le32 *bd;
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dma_addr_t dma_addr;
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struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
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struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE];
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u32 processed;
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u32 read;
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u32 write;
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u32 free_count;
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struct list_head rx_free;
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struct list_head rx_used;
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int need_update;
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spinlock_t lock;
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};
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#define IWL_SUPPORTED_RATES_IE_LEN 8
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#define SCAN_INTERVAL 100
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#define MAX_A_CHANNELS 252
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#define MIN_A_CHANNELS 7
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#define MAX_B_CHANNELS 14
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#define MIN_B_CHANNELS 1
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#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
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#define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
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#define STATUS_INT_ENABLED 2
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#define STATUS_RF_KILL_HW 3
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#define STATUS_RF_KILL_SW 4
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#define STATUS_INIT 5
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#define STATUS_ALIVE 6
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#define STATUS_READY 7
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#define STATUS_TEMPERATURE 8
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#define STATUS_GEO_CONFIGURED 9
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#define STATUS_EXIT_PENDING 10
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#define STATUS_IN_SUSPEND 11
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#define STATUS_STATISTICS 12
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#define STATUS_SCANNING 13
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#define STATUS_SCAN_ABORTING 14
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#define STATUS_SCAN_HW 15
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#define STATUS_POWER_PMI 16
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#define STATUS_FW_ERROR 17
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#define STATUS_CONF_PENDING 18
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#define MAX_TID_COUNT 9
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#define IWL_INVALID_RATE 0xFF
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#define IWL_INVALID_VALUE -1
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struct iwl3945_tid_data {
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u16 seq_number;
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};
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struct iwl3945_hw_key {
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enum ieee80211_key_alg alg;
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int keylen;
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u8 key[32];
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};
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union iwl3945_ht_rate_supp {
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u16 rates;
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struct {
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u8 siso_rate;
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u8 mimo_rate;
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};
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};
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union iwl3945_qos_capabity {
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struct {
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u8 edca_count:4; /* bit 0-3 */
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u8 q_ack:1; /* bit 4 */
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u8 queue_request:1; /* bit 5 */
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u8 txop_request:1; /* bit 6 */
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u8 reserved:1; /* bit 7 */
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} q_AP;
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struct {
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u8 acvo_APSD:1; /* bit 0 */
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u8 acvi_APSD:1; /* bit 1 */
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u8 ac_bk_APSD:1; /* bit 2 */
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u8 ac_be_APSD:1; /* bit 3 */
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u8 q_ack:1; /* bit 4 */
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u8 max_len:2; /* bit 5-6 */
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u8 more_data_ack:1; /* bit 7 */
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} q_STA;
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u8 val;
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};
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/* QoS structures */
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struct iwl3945_qos_info {
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int qos_enable;
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int qos_active;
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union iwl3945_qos_capabity qos_cap;
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struct iwl3945_qosparam_cmd def_qos_parm;
|
|
};
|
|
|
|
#define STA_PS_STATUS_WAKE 0
|
|
#define STA_PS_STATUS_SLEEP 1
|
|
|
|
struct iwl3945_station_entry {
|
|
struct iwl3945_addsta_cmd sta;
|
|
struct iwl3945_tid_data tid[MAX_TID_COUNT];
|
|
union {
|
|
struct {
|
|
u8 rate;
|
|
u8 flags;
|
|
} s;
|
|
u16 rate_n_flags;
|
|
} current_rate;
|
|
u8 used;
|
|
u8 ps_status;
|
|
struct iwl3945_hw_key keyinfo;
|
|
};
|
|
|
|
/* one for each uCode image (inst/data, boot/init/runtime) */
|
|
struct fw_desc {
|
|
void *v_addr; /* access by driver */
|
|
dma_addr_t p_addr; /* access by card's busmaster DMA */
|
|
u32 len; /* bytes */
|
|
};
|
|
|
|
/* uCode file layout */
|
|
struct iwl3945_ucode {
|
|
__le32 ver; /* major/minor/subminor */
|
|
__le32 inst_size; /* bytes of runtime instructions */
|
|
__le32 data_size; /* bytes of runtime data */
|
|
__le32 init_size; /* bytes of initialization instructions */
|
|
__le32 init_data_size; /* bytes of initialization data */
|
|
__le32 boot_size; /* bytes of bootstrap instructions */
|
|
u8 data[0]; /* data in same order as "size" elements */
|
|
};
|
|
|
|
#define IWL_IBSS_MAC_HASH_SIZE 32
|
|
|
|
struct iwl3945_ibss_seq {
|
|
u8 mac[ETH_ALEN];
|
|
u16 seq_num;
|
|
u16 frag_num;
|
|
unsigned long packet_time;
|
|
struct list_head list;
|
|
};
|
|
|
|
/**
|
|
* struct iwl3945_driver_hw_info
|
|
* @max_txq_num: Max # Tx queues supported
|
|
* @tx_cmd_len: Size of Tx command (but not including frame itself)
|
|
* @tx_ant_num: Number of TX antennas
|
|
* @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
|
|
* @rx_buf_size:
|
|
* @max_pkt_size:
|
|
* @max_rxq_log: Log-base-2 of max_rxq_size
|
|
* @max_stations:
|
|
* @bcast_sta_id:
|
|
* @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
|
|
* @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
|
|
*/
|
|
struct iwl3945_driver_hw_info {
|
|
u16 max_txq_num;
|
|
u16 tx_cmd_len;
|
|
u16 tx_ant_num;
|
|
u16 max_rxq_size;
|
|
u32 rx_buf_size;
|
|
u32 max_pkt_size;
|
|
u16 max_rxq_log;
|
|
u8 max_stations;
|
|
u8 bcast_sta_id;
|
|
void *shared_virt;
|
|
dma_addr_t shared_phys;
|
|
};
|
|
|
|
#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
|
|
*
|
|
*****************************************************************************/
|
|
struct iwl3945_addsta_cmd;
|
|
extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
|
|
struct iwl3945_addsta_cmd *sta, u8 flags);
|
|
extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
|
|
int is_ap, u8 flags);
|
|
extern int iwl3945_is_network_packet(struct iwl3945_priv *priv,
|
|
struct ieee80211_hdr *header);
|
|
extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
|
|
extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
|
|
extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
|
|
struct iwl3945_rx_mem_buffer *rxb,
|
|
void *data, short len,
|
|
struct ieee80211_rx_status *stats,
|
|
u16 phy_flags);
|
|
extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv,
|
|
struct ieee80211_hdr *header);
|
|
extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
|
|
extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
|
|
struct iwl3945_rx_queue *rxq);
|
|
extern int iwl3945_calc_db_from_ratio(int sig_ratio);
|
|
extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
|
|
extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
|
|
struct iwl3945_tx_queue *txq, int count, u32 id);
|
|
extern void iwl3945_rx_replenish(void *data);
|
|
extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
|
|
extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
|
|
const void *data);
|
|
extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
|
|
struct iwl3945_host_cmd *cmd);
|
|
extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
|
|
struct ieee80211_hdr *hdr,
|
|
const u8 *dest, int left);
|
|
extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
|
|
struct iwl3945_rx_queue *q);
|
|
extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
|
|
extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
|
|
u32 decrypt_res,
|
|
struct ieee80211_rx_status *stats);
|
|
extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
|
|
|
|
/*
|
|
* 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 iwl3945_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 iwl3945_priv *priv);
|
|
extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
|
|
extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
|
|
extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
|
|
extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
|
|
extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
|
|
extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
|
|
extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
|
|
extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
|
|
extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
|
|
extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
|
|
dma_addr_t addr, u16 len);
|
|
extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
|
|
extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
|
|
extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
|
|
struct iwl3945_tx_queue *txq);
|
|
extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
|
|
struct iwl3945_frame *frame, u8 rate);
|
|
extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
|
|
extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
|
|
struct iwl3945_cmd *cmd,
|
|
struct ieee80211_tx_control *ctrl,
|
|
struct ieee80211_hdr *hdr,
|
|
int sta_id, int tx_id);
|
|
extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
|
|
extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
|
|
extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
|
|
struct iwl3945_rx_mem_buffer *rxb);
|
|
extern void iwl3945_disable_events(struct iwl3945_priv *priv);
|
|
extern int iwl4965_get_temperature(const struct iwl3945_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 iwl3945_priv *priv, const u8 *bssid);
|
|
|
|
extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
|
|
|
|
/*
|
|
* Forward declare iwl-3945.c functions for iwl-base.c
|
|
*/
|
|
extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
|
|
extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
|
|
extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
|
|
extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
|
|
extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
|
|
u16 tx_rate, u8 flags);
|
|
|
|
|
|
#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
|
|
|
|
enum {
|
|
MEASUREMENT_READY = (1 << 0),
|
|
MEASUREMENT_ACTIVE = (1 << 1),
|
|
};
|
|
|
|
#endif
|
|
|
|
struct iwl3945_priv {
|
|
|
|
/* ieee device used by generic ieee processing code */
|
|
struct ieee80211_hw *hw;
|
|
struct ieee80211_channel *ieee_channels;
|
|
struct ieee80211_rate *ieee_rates;
|
|
struct iwl_3945_cfg *cfg; /* device configuration */
|
|
|
|
/* temporary frame storage list */
|
|
struct list_head free_frames;
|
|
int frames_count;
|
|
|
|
enum ieee80211_band band;
|
|
int alloc_rxb_skb;
|
|
bool add_radiotap;
|
|
|
|
void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
|
|
struct iwl3945_rx_mem_buffer *rxb);
|
|
|
|
struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
|
|
|
|
#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
|
|
/* spectrum measurement report caching */
|
|
struct iwl3945_spectrum_notification measure_report;
|
|
u8 measurement_status;
|
|
#endif
|
|
/* ucode beacon time */
|
|
u32 ucode_beacon_time;
|
|
|
|
/* we allocate array of iwl3945_channel_info for NIC's valid channels.
|
|
* Access via channel # using indirect index array */
|
|
struct iwl3945_channel_info *channel_info; /* channel info array */
|
|
u8 channel_count; /* # of channels */
|
|
|
|
/* each calibration channel group in the EEPROM has a derived
|
|
* clip setting for each rate. */
|
|
const struct iwl3945_clip_group clip_groups[5];
|
|
|
|
/* thermal calibration */
|
|
s32 temperature; /* degrees Kelvin */
|
|
s32 last_temperature;
|
|
|
|
/* Scan related variables */
|
|
unsigned long last_scan_jiffies;
|
|
unsigned long next_scan_jiffies;
|
|
unsigned long scan_start;
|
|
unsigned long scan_pass_start;
|
|
unsigned long scan_start_tsf;
|
|
int scan_bands;
|
|
int one_direct_scan;
|
|
u8 direct_ssid_len;
|
|
u8 direct_ssid[IW_ESSID_MAX_SIZE];
|
|
struct iwl3945_scan_cmd *scan;
|
|
u8 only_active_channel;
|
|
|
|
/* spinlock */
|
|
spinlock_t lock; /* protect general shared data */
|
|
spinlock_t hcmd_lock; /* protect hcmd */
|
|
struct mutex mutex;
|
|
|
|
/* basic pci-network driver stuff */
|
|
struct pci_dev *pci_dev;
|
|
|
|
/* pci hardware address support */
|
|
void __iomem *hw_base;
|
|
|
|
/* uCode images, save to reload in case of failure */
|
|
struct fw_desc ucode_code; /* runtime inst */
|
|
struct fw_desc ucode_data; /* runtime data original */
|
|
struct fw_desc ucode_data_backup; /* runtime data save/restore */
|
|
struct fw_desc ucode_init; /* initialization inst */
|
|
struct fw_desc ucode_init_data; /* initialization data */
|
|
struct fw_desc ucode_boot; /* bootstrap inst */
|
|
|
|
|
|
struct iwl3945_rxon_time_cmd rxon_timing;
|
|
|
|
/* We declare this const so it can only be
|
|
* changed via explicit cast within the
|
|
* routines that actually update the physical
|
|
* hardware */
|
|
const struct iwl3945_rxon_cmd active_rxon;
|
|
struct iwl3945_rxon_cmd staging_rxon;
|
|
|
|
int error_recovering;
|
|
struct iwl3945_rxon_cmd recovery_rxon;
|
|
|
|
/* 1st responses from initialize and runtime uCode images.
|
|
* 4965's initialize alive response contains some calibration data. */
|
|
struct iwl3945_init_alive_resp card_alive_init;
|
|
struct iwl3945_alive_resp card_alive;
|
|
|
|
#ifdef CONFIG_IWL4965_LEDS
|
|
struct iwl3945_led led[IWL_LED_TRG_MAX];
|
|
unsigned long last_blink_time;
|
|
u8 last_blink_rate;
|
|
u8 allow_blinking;
|
|
unsigned int rxtxpackets;
|
|
#endif
|
|
|
|
|
|
u16 active_rate;
|
|
u16 active_rate_basic;
|
|
|
|
u8 call_post_assoc_from_beacon;
|
|
/* Rate scaling data */
|
|
s8 data_retry_limit;
|
|
u8 retry_rate;
|
|
|
|
wait_queue_head_t wait_command_queue;
|
|
|
|
int activity_timer_active;
|
|
|
|
/* Rx and Tx DMA processing queues */
|
|
struct iwl3945_rx_queue rxq;
|
|
struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES];
|
|
|
|
unsigned long status;
|
|
|
|
int last_rx_rssi; /* From Rx packet statisitics */
|
|
int last_rx_noise; /* From beacon statistics */
|
|
|
|
struct iwl3945_power_mgr power_data;
|
|
|
|
struct iwl3945_notif_statistics statistics;
|
|
unsigned long last_statistics_time;
|
|
|
|
/* context information */
|
|
u8 essid[IW_ESSID_MAX_SIZE];
|
|
u8 essid_len;
|
|
u16 rates_mask;
|
|
|
|
u32 power_mode;
|
|
u32 antenna;
|
|
u8 bssid[ETH_ALEN];
|
|
u16 rts_threshold;
|
|
u8 mac_addr[ETH_ALEN];
|
|
|
|
/*station table variables */
|
|
spinlock_t sta_lock;
|
|
int num_stations;
|
|
struct iwl3945_station_entry stations[IWL_STATION_COUNT];
|
|
|
|
/* Indication if ieee80211_ops->open has been called */
|
|
u8 is_open;
|
|
|
|
u8 mac80211_registered;
|
|
|
|
u32 notif_missed_beacons;
|
|
|
|
/* Rx'd packet timing information */
|
|
u32 last_beacon_time;
|
|
u64 last_tsf;
|
|
|
|
/* Duplicate packet detection */
|
|
u16 last_seq_num;
|
|
u16 last_frag_num;
|
|
unsigned long last_packet_time;
|
|
|
|
/* Hash table for finding stations in IBSS network */
|
|
struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
|
|
|
|
/* eeprom */
|
|
struct iwl3945_eeprom eeprom;
|
|
|
|
enum ieee80211_if_types iw_mode;
|
|
|
|
struct sk_buff *ibss_beacon;
|
|
|
|
/* Last Rx'd beacon timestamp */
|
|
u32 timestamp0;
|
|
u32 timestamp1;
|
|
u16 beacon_int;
|
|
struct iwl3945_driver_hw_info hw_setting;
|
|
struct ieee80211_vif *vif;
|
|
|
|
/* Current association information needed to configure the
|
|
* hardware */
|
|
u16 assoc_id;
|
|
u16 assoc_capability;
|
|
u8 ps_mode;
|
|
|
|
struct iwl3945_qos_info qos_data;
|
|
|
|
struct workqueue_struct *workqueue;
|
|
|
|
struct work_struct up;
|
|
struct work_struct restart;
|
|
struct work_struct calibrated_work;
|
|
struct work_struct scan_completed;
|
|
struct work_struct rx_replenish;
|
|
struct work_struct rf_kill;
|
|
struct work_struct abort_scan;
|
|
struct work_struct update_link_led;
|
|
struct work_struct auth_work;
|
|
struct work_struct report_work;
|
|
struct work_struct request_scan;
|
|
struct work_struct beacon_update;
|
|
|
|
struct tasklet_struct irq_tasklet;
|
|
|
|
struct delayed_work init_alive_start;
|
|
struct delayed_work alive_start;
|
|
struct delayed_work activity_timer;
|
|
struct delayed_work thermal_periodic;
|
|
struct delayed_work gather_stats;
|
|
struct delayed_work scan_check;
|
|
struct delayed_work post_associate;
|
|
|
|
#define IWL_DEFAULT_TX_POWER 0x0F
|
|
s8 user_txpower_limit;
|
|
s8 max_channel_txpower_limit;
|
|
|
|
#ifdef CONFIG_PM
|
|
u32 pm_state[16];
|
|
#endif
|
|
|
|
#ifdef CONFIG_IWL3945_DEBUG
|
|
/* debugging info */
|
|
u32 framecnt_to_us;
|
|
atomic_t restrict_refcnt;
|
|
#endif
|
|
}; /*iwl3945_priv */
|
|
|
|
static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
|
|
{
|
|
return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
|
|
}
|
|
|
|
static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
|
|
{
|
|
if (ch_info == NULL)
|
|
return 0;
|
|
return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
|
|
}
|
|
|
|
static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
|
|
{
|
|
return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
|
|
}
|
|
|
|
static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
|
|
{
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|
return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
|
|
}
|
|
|
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static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info)
|
|
{
|
|
return ch_info->band == IEEE80211_BAND_5GHZ;
|
|
}
|
|
|
|
static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info)
|
|
{
|
|
return ch_info->band == IEEE80211_BAND_2GHZ;
|
|
}
|
|
|
|
static inline int is_channel_passive(const struct iwl3945_channel_info *ch)
|
|
{
|
|
return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
|
|
}
|
|
|
|
static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
|
|
{
|
|
return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
|
|
}
|
|
|
|
extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
|
|
const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel);
|
|
|
|
/* Requires full declaration of iwl3945_priv before including */
|
|
#include "iwl-3945-io.h"
|
|
|
|
#endif
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