1365 lines
36 KiB
C
1365 lines
36 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2003 - 2011 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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* Intel Linux Wireless <ilw@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-dev.h) for driver implementation definitions.
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* Please use iwl-commands.h for uCode API definitions.
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* Please use iwl-4965-hw.h for hardware-related definitions.
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*/
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#ifndef __iwl_legacy_dev_h__
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#define __iwl_legacy_dev_h__
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#include <linux/interrupt.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 <linux/leds.h>
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#include <linux/wait.h>
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#include <net/ieee80211_radiotap.h>
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#include "iwl-eeprom.h"
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#include "iwl-csr.h"
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#include "iwl-prph.h"
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#include "iwl-fh.h"
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#include "iwl-debug.h"
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#include "iwl-4965-hw.h"
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#include "iwl-3945-hw.h"
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#include "iwl-led.h"
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#include "iwl-power.h"
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#include "iwl-legacy-rs.h"
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struct iwl_tx_queue;
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/* CT-KILL constants */
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#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
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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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/*
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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 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 iwl_rx_mem_buffer {
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dma_addr_t page_dma;
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struct page *page;
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struct list_head list;
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};
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#define rxb_addr(r) page_address(r->page)
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/* defined below */
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struct iwl_device_cmd;
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struct iwl_cmd_meta {
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/* only for SYNC commands, iff the reply skb is wanted */
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struct iwl_host_cmd *source;
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/*
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* only for ASYNC commands
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* (which is somewhat stupid -- look at iwl-sta.c for instance
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* which duplicates a bunch of code because the callback isn't
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* invoked for SYNC commands, if it were and its result passed
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* through it would be simpler...)
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*/
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void (*callback)(struct iwl_priv *priv,
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struct iwl_device_cmd *cmd,
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struct iwl_rx_packet *pkt);
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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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DEFINE_DMA_UNMAP_ADDR(mapping);
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DEFINE_DMA_UNMAP_LEN(len);
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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 iwl_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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/* use for monitoring and recovering the stuck queue */
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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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};
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/* One for each TFD */
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struct iwl_tx_info {
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struct sk_buff *skb;
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struct iwl_rxon_context *ctx;
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};
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/**
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* struct iwl_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 buffer pointers
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* @meta: array of meta data for each command/tx buffer
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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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* @time_stamp: time (in jiffies) of last read_ptr change
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* @need_update: indicates need to update read/write index
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* @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
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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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#define TFD_TX_CMD_SLOTS 256
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#define TFD_CMD_SLOTS 32
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struct iwl_tx_queue {
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struct iwl_queue q;
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void *tfds;
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struct iwl_device_cmd **cmd;
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struct iwl_cmd_meta *meta;
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struct iwl_tx_info *txb;
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unsigned long time_stamp;
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u8 need_update;
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u8 sched_retry;
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u8 active;
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u8 swq_id;
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};
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#define IWL_NUM_SCAN_RATES (2)
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struct iwl4965_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 iwl4965_channel_tgh_info {
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s64 last_radar_time;
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};
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#define IWL4965_MAX_RATE (33)
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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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/* 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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struct iwl_channel_info {
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struct iwl4965_channel_tgd_info tgd;
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struct iwl4965_channel_tgh_info tgh;
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struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
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struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for
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* HT40 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) limit */
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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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/* HT40 channel info */
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s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
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u8 ht40_flags; /* flags copied from EEPROM */
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u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
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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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#define IWL_TX_FIFO_BK 0 /* shared */
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#define IWL_TX_FIFO_BE 1
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#define IWL_TX_FIFO_VI 2 /* shared */
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#define IWL_TX_FIFO_VO 3
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#define IWL_TX_FIFO_UNUSED -1
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/* Minimum number of queues. MAX_NUM is defined in hw specific files.
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* Set the minimum to accommodate the 4 standard TX queues, 1 command
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* queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
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#define IWL_MIN_NUM_QUEUES 10
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#define IWL_DEFAULT_CMD_QUEUE_NUM 4
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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 iwl_frame {
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union {
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struct ieee80211_hdr frame;
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struct iwl_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_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_SYNC = 0,
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CMD_SIZE_NORMAL = 0,
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CMD_NO_SKB = 0,
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CMD_SIZE_HUGE = (1 << 0),
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CMD_ASYNC = (1 << 1),
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CMD_WANT_SKB = (1 << 2),
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CMD_MAPPED = (1 << 3),
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};
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#define DEF_CMD_PAYLOAD_SIZE 320
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/**
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* struct iwl_device_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 iwl_device_cmd {
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struct iwl_cmd_header hdr; /* uCode API */
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union {
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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 iwl_tx_cmd tx;
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u8 payload[DEF_CMD_PAYLOAD_SIZE];
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} __packed cmd;
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} __packed;
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#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
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struct iwl_host_cmd {
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const void *data;
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unsigned long reply_page;
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void (*callback)(struct iwl_priv *priv,
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struct iwl_device_cmd *cmd,
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struct iwl_rx_packet *pkt);
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u32 flags;
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u16 len;
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u8 id;
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};
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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 iwl_rx_queue - Rx queue
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* @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
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* @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
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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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* @rb_stts: driver's pointer to receive buffer status
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* @rb_stts_dma: bus address of receive buffer status
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*
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* NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
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*/
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struct iwl_rx_queue {
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__le32 *bd;
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dma_addr_t bd_dma;
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struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
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struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
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u32 read;
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u32 write;
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u32 free_count;
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u32 write_actual;
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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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struct iwl_rb_status *rb_stts;
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dma_addr_t rb_stts_dma;
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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 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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/**
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* struct iwl_ht_agg -- aggregation status while waiting for block-ack
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* @txq_id: Tx queue used for Tx attempt
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* @frame_count: # frames attempted by Tx command
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* @wait_for_ba: Expect block-ack before next Tx reply
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* @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
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* @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
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* @bitmap1: High order, one bit for each frame pending ACK in Tx window
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* @rate_n_flags: Rate at which Tx was attempted
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*
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* If REPLY_TX indicates that aggregation was attempted, driver must wait
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* for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
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* until block ack arrives.
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*/
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struct iwl_ht_agg {
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u16 txq_id;
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u16 frame_count;
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u16 wait_for_ba;
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u16 start_idx;
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u64 bitmap;
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u32 rate_n_flags;
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#define IWL_AGG_OFF 0
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#define IWL_AGG_ON 1
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#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
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#define IWL_EMPTYING_HW_QUEUE_DELBA 3
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u8 state;
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};
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struct iwl_tid_data {
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u16 seq_number; /* 4965 only */
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u16 tfds_in_queue;
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struct iwl_ht_agg agg;
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};
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struct iwl_hw_key {
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u32 cipher;
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int keylen;
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u8 keyidx;
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u8 key[32];
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};
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union iwl_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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#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
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#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
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#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
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#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
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#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
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#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
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#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
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/*
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* Maximal MPDU density for TX aggregation
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* 4 - 2us density
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* 5 - 4us density
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* 6 - 8us density
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* 7 - 16us density
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*/
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#define CFG_HT_MPDU_DENSITY_2USEC (0x4)
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#define CFG_HT_MPDU_DENSITY_4USEC (0x5)
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#define CFG_HT_MPDU_DENSITY_8USEC (0x6)
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#define CFG_HT_MPDU_DENSITY_16USEC (0x7)
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#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
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#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
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#define CFG_HT_MPDU_DENSITY_MIN (0x1)
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struct iwl_ht_config {
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bool single_chain_sufficient;
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enum ieee80211_smps_mode smps; /* current smps mode */
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};
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/* QoS structures */
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struct iwl_qos_info {
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int qos_active;
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struct iwl_qosparam_cmd def_qos_parm;
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};
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/*
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* Structure should be accessed with sta_lock held. When station addition
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* is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
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* the commands (iwl_legacy_addsta_cmd and iwl_link_quality_cmd) without
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* sta_lock held.
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*/
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struct iwl_station_entry {
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struct iwl_legacy_addsta_cmd sta;
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struct iwl_tid_data tid[MAX_TID_COUNT];
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u8 used, ctxid;
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struct iwl_hw_key keyinfo;
|
|
struct iwl_link_quality_cmd *lq;
|
|
};
|
|
|
|
struct iwl_station_priv_common {
|
|
struct iwl_rxon_context *ctx;
|
|
u8 sta_id;
|
|
};
|
|
|
|
/*
|
|
* iwl_station_priv: Driver's private station information
|
|
*
|
|
* When mac80211 creates a station it reserves some space (hw->sta_data_size)
|
|
* in the structure for use by driver. This structure is places in that
|
|
* space.
|
|
*
|
|
* The common struct MUST be first because it is shared between
|
|
* 3945 and 4965!
|
|
*/
|
|
struct iwl_station_priv {
|
|
struct iwl_station_priv_common common;
|
|
struct iwl_lq_sta lq_sta;
|
|
atomic_t pending_frames;
|
|
bool client;
|
|
bool asleep;
|
|
};
|
|
|
|
/**
|
|
* struct iwl_vif_priv - driver's private per-interface information
|
|
*
|
|
* When mac80211 allocates a virtual interface, it can allocate
|
|
* space for us to put data into.
|
|
*/
|
|
struct iwl_vif_priv {
|
|
struct iwl_rxon_context *ctx;
|
|
u8 ibss_bssid_sta_id;
|
|
};
|
|
|
|
/* 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 iwl_ucode_header {
|
|
__le32 ver; /* major/minor/API/serial */
|
|
struct {
|
|
__le32 inst_size; /* bytes of runtime code */
|
|
__le32 data_size; /* bytes of runtime data */
|
|
__le32 init_size; /* bytes of init code */
|
|
__le32 init_data_size; /* bytes of init data */
|
|
__le32 boot_size; /* bytes of bootstrap code */
|
|
u8 data[0]; /* in same order as sizes */
|
|
} v1;
|
|
};
|
|
|
|
struct iwl4965_ibss_seq {
|
|
u8 mac[ETH_ALEN];
|
|
u16 seq_num;
|
|
u16 frag_num;
|
|
unsigned long packet_time;
|
|
struct list_head list;
|
|
};
|
|
|
|
struct iwl_sensitivity_ranges {
|
|
u16 min_nrg_cck;
|
|
u16 max_nrg_cck;
|
|
|
|
u16 nrg_th_cck;
|
|
u16 nrg_th_ofdm;
|
|
|
|
u16 auto_corr_min_ofdm;
|
|
u16 auto_corr_min_ofdm_mrc;
|
|
u16 auto_corr_min_ofdm_x1;
|
|
u16 auto_corr_min_ofdm_mrc_x1;
|
|
|
|
u16 auto_corr_max_ofdm;
|
|
u16 auto_corr_max_ofdm_mrc;
|
|
u16 auto_corr_max_ofdm_x1;
|
|
u16 auto_corr_max_ofdm_mrc_x1;
|
|
|
|
u16 auto_corr_max_cck;
|
|
u16 auto_corr_max_cck_mrc;
|
|
u16 auto_corr_min_cck;
|
|
u16 auto_corr_min_cck_mrc;
|
|
|
|
u16 barker_corr_th_min;
|
|
u16 barker_corr_th_min_mrc;
|
|
u16 nrg_th_cca;
|
|
};
|
|
|
|
|
|
#define KELVIN_TO_CELSIUS(x) ((x)-273)
|
|
#define CELSIUS_TO_KELVIN(x) ((x)+273)
|
|
|
|
|
|
/**
|
|
* struct iwl_hw_params
|
|
* @max_txq_num: Max # Tx queues supported
|
|
* @dma_chnl_num: Number of Tx DMA/FIFO channels
|
|
* @scd_bc_tbls_size: size of scheduler byte count tables
|
|
* @tfd_size: TFD size
|
|
* @tx/rx_chains_num: Number of TX/RX chains
|
|
* @valid_tx/rx_ant: usable antennas
|
|
* @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
|
|
* @max_rxq_log: Log-base-2 of max_rxq_size
|
|
* @rx_page_order: Rx buffer page order
|
|
* @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
|
|
* @max_stations:
|
|
* @ht40_channel: is 40MHz width possible in band 2.4
|
|
* BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
|
|
* @sw_crypto: 0 for hw, 1 for sw
|
|
* @max_xxx_size: for ucode uses
|
|
* @ct_kill_threshold: temperature threshold
|
|
* @beacon_time_tsf_bits: number of valid tsf bits for beacon time
|
|
* @struct iwl_sensitivity_ranges: range of sensitivity values
|
|
*/
|
|
struct iwl_hw_params {
|
|
u8 max_txq_num;
|
|
u8 dma_chnl_num;
|
|
u16 scd_bc_tbls_size;
|
|
u32 tfd_size;
|
|
u8 tx_chains_num;
|
|
u8 rx_chains_num;
|
|
u8 valid_tx_ant;
|
|
u8 valid_rx_ant;
|
|
u16 max_rxq_size;
|
|
u16 max_rxq_log;
|
|
u32 rx_page_order;
|
|
u32 rx_wrt_ptr_reg;
|
|
u8 max_stations;
|
|
u8 ht40_channel;
|
|
u8 max_beacon_itrvl; /* in 1024 ms */
|
|
u32 max_inst_size;
|
|
u32 max_data_size;
|
|
u32 max_bsm_size;
|
|
u32 ct_kill_threshold; /* value in hw-dependent units */
|
|
u16 beacon_time_tsf_bits;
|
|
const struct iwl_sensitivity_ranges *sens;
|
|
};
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* Functions implemented in core module which are forward declared here
|
|
* for use by iwl-[4-5].c
|
|
*
|
|
* NOTE: The implementation of these functions are not hardware specific
|
|
* which is why they are in the core module files.
|
|
*
|
|
* Naming convention --
|
|
* iwl_ <-- Is part of iwlwifi
|
|
* iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
|
|
* iwl4965_bg_ <-- Called from work queue context
|
|
* iwl4965_mac_ <-- mac80211 callback
|
|
*
|
|
****************************************************************************/
|
|
extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
|
|
extern const u8 iwlegacy_bcast_addr[ETH_ALEN];
|
|
extern int iwl_legacy_queue_space(const struct iwl_queue *q);
|
|
static inline int iwl_legacy_queue_used(const struct iwl_queue *q, int i)
|
|
{
|
|
return q->write_ptr >= q->read_ptr ?
|
|
(i >= q->read_ptr && i < q->write_ptr) :
|
|
!(i < q->read_ptr && i >= q->write_ptr);
|
|
}
|
|
|
|
|
|
static inline u8 iwl_legacy_get_cmd_index(struct iwl_queue *q, u32 index,
|
|
int is_huge)
|
|
{
|
|
/*
|
|
* This is for init calibration result and scan command which
|
|
* required buffer > TFD_MAX_PAYLOAD_SIZE,
|
|
* the big buffer at end of command array
|
|
*/
|
|
if (is_huge)
|
|
return q->n_window; /* must be power of 2 */
|
|
|
|
/* Otherwise, use normal size buffers */
|
|
return index & (q->n_window - 1);
|
|
}
|
|
|
|
|
|
struct iwl_dma_ptr {
|
|
dma_addr_t dma;
|
|
void *addr;
|
|
size_t size;
|
|
};
|
|
|
|
#define IWL_OPERATION_MODE_AUTO 0
|
|
#define IWL_OPERATION_MODE_HT_ONLY 1
|
|
#define IWL_OPERATION_MODE_MIXED 2
|
|
#define IWL_OPERATION_MODE_20MHZ 3
|
|
|
|
#define IWL_TX_CRC_SIZE 4
|
|
#define IWL_TX_DELIMITER_SIZE 4
|
|
|
|
#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
|
|
|
|
/* Sensitivity and chain noise calibration */
|
|
#define INITIALIZATION_VALUE 0xFFFF
|
|
#define IWL4965_CAL_NUM_BEACONS 20
|
|
#define IWL_CAL_NUM_BEACONS 16
|
|
#define MAXIMUM_ALLOWED_PATHLOSS 15
|
|
|
|
#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
|
|
|
|
#define MAX_FA_OFDM 50
|
|
#define MIN_FA_OFDM 5
|
|
#define MAX_FA_CCK 50
|
|
#define MIN_FA_CCK 5
|
|
|
|
#define AUTO_CORR_STEP_OFDM 1
|
|
|
|
#define AUTO_CORR_STEP_CCK 3
|
|
#define AUTO_CORR_MAX_TH_CCK 160
|
|
|
|
#define NRG_DIFF 2
|
|
#define NRG_STEP_CCK 2
|
|
#define NRG_MARGIN 8
|
|
#define MAX_NUMBER_CCK_NO_FA 100
|
|
|
|
#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
|
|
|
|
#define CHAIN_A 0
|
|
#define CHAIN_B 1
|
|
#define CHAIN_C 2
|
|
#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
|
|
#define ALL_BAND_FILTER 0xFF00
|
|
#define IN_BAND_FILTER 0xFF
|
|
#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
|
|
|
|
#define NRG_NUM_PREV_STAT_L 20
|
|
#define NUM_RX_CHAINS 3
|
|
|
|
enum iwl4965_false_alarm_state {
|
|
IWL_FA_TOO_MANY = 0,
|
|
IWL_FA_TOO_FEW = 1,
|
|
IWL_FA_GOOD_RANGE = 2,
|
|
};
|
|
|
|
enum iwl4965_chain_noise_state {
|
|
IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
|
|
IWL_CHAIN_NOISE_ACCUMULATE,
|
|
IWL_CHAIN_NOISE_CALIBRATED,
|
|
IWL_CHAIN_NOISE_DONE,
|
|
};
|
|
|
|
enum iwl4965_calib_enabled_state {
|
|
IWL_CALIB_DISABLED = 0, /* must be 0 */
|
|
IWL_CALIB_ENABLED = 1,
|
|
};
|
|
|
|
/*
|
|
* enum iwl_calib
|
|
* defines the order in which results of initial calibrations
|
|
* should be sent to the runtime uCode
|
|
*/
|
|
enum iwl_calib {
|
|
IWL_CALIB_MAX,
|
|
};
|
|
|
|
/* Opaque calibration results */
|
|
struct iwl_calib_result {
|
|
void *buf;
|
|
size_t buf_len;
|
|
};
|
|
|
|
enum ucode_type {
|
|
UCODE_NONE = 0,
|
|
UCODE_INIT,
|
|
UCODE_RT
|
|
};
|
|
|
|
/* Sensitivity calib data */
|
|
struct iwl_sensitivity_data {
|
|
u32 auto_corr_ofdm;
|
|
u32 auto_corr_ofdm_mrc;
|
|
u32 auto_corr_ofdm_x1;
|
|
u32 auto_corr_ofdm_mrc_x1;
|
|
u32 auto_corr_cck;
|
|
u32 auto_corr_cck_mrc;
|
|
|
|
u32 last_bad_plcp_cnt_ofdm;
|
|
u32 last_fa_cnt_ofdm;
|
|
u32 last_bad_plcp_cnt_cck;
|
|
u32 last_fa_cnt_cck;
|
|
|
|
u32 nrg_curr_state;
|
|
u32 nrg_prev_state;
|
|
u32 nrg_value[10];
|
|
u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
|
|
u32 nrg_silence_ref;
|
|
u32 nrg_energy_idx;
|
|
u32 nrg_silence_idx;
|
|
u32 nrg_th_cck;
|
|
s32 nrg_auto_corr_silence_diff;
|
|
u32 num_in_cck_no_fa;
|
|
u32 nrg_th_ofdm;
|
|
|
|
u16 barker_corr_th_min;
|
|
u16 barker_corr_th_min_mrc;
|
|
u16 nrg_th_cca;
|
|
};
|
|
|
|
/* Chain noise (differential Rx gain) calib data */
|
|
struct iwl_chain_noise_data {
|
|
u32 active_chains;
|
|
u32 chain_noise_a;
|
|
u32 chain_noise_b;
|
|
u32 chain_noise_c;
|
|
u32 chain_signal_a;
|
|
u32 chain_signal_b;
|
|
u32 chain_signal_c;
|
|
u16 beacon_count;
|
|
u8 disconn_array[NUM_RX_CHAINS];
|
|
u8 delta_gain_code[NUM_RX_CHAINS];
|
|
u8 radio_write;
|
|
u8 state;
|
|
};
|
|
|
|
#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
|
|
#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
|
|
|
|
#define IWL_TRAFFIC_ENTRIES (256)
|
|
#define IWL_TRAFFIC_ENTRY_SIZE (64)
|
|
|
|
enum {
|
|
MEASUREMENT_READY = (1 << 0),
|
|
MEASUREMENT_ACTIVE = (1 << 1),
|
|
};
|
|
|
|
/* interrupt statistics */
|
|
struct isr_statistics {
|
|
u32 hw;
|
|
u32 sw;
|
|
u32 err_code;
|
|
u32 sch;
|
|
u32 alive;
|
|
u32 rfkill;
|
|
u32 ctkill;
|
|
u32 wakeup;
|
|
u32 rx;
|
|
u32 rx_handlers[REPLY_MAX];
|
|
u32 tx;
|
|
u32 unhandled;
|
|
};
|
|
|
|
/* management statistics */
|
|
enum iwl_mgmt_stats {
|
|
MANAGEMENT_ASSOC_REQ = 0,
|
|
MANAGEMENT_ASSOC_RESP,
|
|
MANAGEMENT_REASSOC_REQ,
|
|
MANAGEMENT_REASSOC_RESP,
|
|
MANAGEMENT_PROBE_REQ,
|
|
MANAGEMENT_PROBE_RESP,
|
|
MANAGEMENT_BEACON,
|
|
MANAGEMENT_ATIM,
|
|
MANAGEMENT_DISASSOC,
|
|
MANAGEMENT_AUTH,
|
|
MANAGEMENT_DEAUTH,
|
|
MANAGEMENT_ACTION,
|
|
MANAGEMENT_MAX,
|
|
};
|
|
/* control statistics */
|
|
enum iwl_ctrl_stats {
|
|
CONTROL_BACK_REQ = 0,
|
|
CONTROL_BACK,
|
|
CONTROL_PSPOLL,
|
|
CONTROL_RTS,
|
|
CONTROL_CTS,
|
|
CONTROL_ACK,
|
|
CONTROL_CFEND,
|
|
CONTROL_CFENDACK,
|
|
CONTROL_MAX,
|
|
};
|
|
|
|
struct traffic_stats {
|
|
#ifdef CONFIG_IWLWIFI_LEGACY_DEBUGFS
|
|
u32 mgmt[MANAGEMENT_MAX];
|
|
u32 ctrl[CONTROL_MAX];
|
|
u32 data_cnt;
|
|
u64 data_bytes;
|
|
#endif
|
|
};
|
|
|
|
/*
|
|
* host interrupt timeout value
|
|
* used with setting interrupt coalescing timer
|
|
* the CSR_INT_COALESCING is an 8 bit register in 32-usec unit
|
|
*
|
|
* default interrupt coalescing timer is 64 x 32 = 2048 usecs
|
|
* default interrupt coalescing calibration timer is 16 x 32 = 512 usecs
|
|
*/
|
|
#define IWL_HOST_INT_TIMEOUT_MAX (0xFF)
|
|
#define IWL_HOST_INT_TIMEOUT_DEF (0x40)
|
|
#define IWL_HOST_INT_TIMEOUT_MIN (0x0)
|
|
#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF)
|
|
#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10)
|
|
#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0)
|
|
|
|
#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
|
|
|
|
/* TX queue watchdog timeouts in mSecs */
|
|
#define IWL_DEF_WD_TIMEOUT (2000)
|
|
#define IWL_LONG_WD_TIMEOUT (10000)
|
|
#define IWL_MAX_WD_TIMEOUT (120000)
|
|
|
|
struct iwl_force_reset {
|
|
int reset_request_count;
|
|
int reset_success_count;
|
|
int reset_reject_count;
|
|
unsigned long reset_duration;
|
|
unsigned long last_force_reset_jiffies;
|
|
};
|
|
|
|
/* extend beacon time format bit shifting */
|
|
/*
|
|
* for _3945 devices
|
|
* bits 31:24 - extended
|
|
* bits 23:0 - interval
|
|
*/
|
|
#define IWL3945_EXT_BEACON_TIME_POS 24
|
|
/*
|
|
* for _4965 devices
|
|
* bits 31:22 - extended
|
|
* bits 21:0 - interval
|
|
*/
|
|
#define IWL4965_EXT_BEACON_TIME_POS 22
|
|
|
|
enum iwl_rxon_context_id {
|
|
IWL_RXON_CTX_BSS,
|
|
|
|
NUM_IWL_RXON_CTX
|
|
};
|
|
|
|
struct iwl_rxon_context {
|
|
struct ieee80211_vif *vif;
|
|
|
|
const u8 *ac_to_fifo;
|
|
const u8 *ac_to_queue;
|
|
u8 mcast_queue;
|
|
|
|
/*
|
|
* We could use the vif to indicate active, but we
|
|
* also need it to be active during disabling when
|
|
* we already removed the vif for type setting.
|
|
*/
|
|
bool always_active, is_active;
|
|
|
|
bool ht_need_multiple_chains;
|
|
|
|
enum iwl_rxon_context_id ctxid;
|
|
|
|
u32 interface_modes, exclusive_interface_modes;
|
|
u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
|
|
|
|
/*
|
|
* We declare this const so it can only be
|
|
* changed via explicit cast within the
|
|
* routines that actually update the physical
|
|
* hardware.
|
|
*/
|
|
const struct iwl_legacy_rxon_cmd active;
|
|
struct iwl_legacy_rxon_cmd staging;
|
|
|
|
struct iwl_rxon_time_cmd timing;
|
|
|
|
struct iwl_qos_info qos_data;
|
|
|
|
u8 bcast_sta_id, ap_sta_id;
|
|
|
|
u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
|
|
u8 qos_cmd;
|
|
u8 wep_key_cmd;
|
|
|
|
struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
|
|
u8 key_mapping_keys;
|
|
|
|
__le32 station_flags;
|
|
|
|
struct {
|
|
bool non_gf_sta_present;
|
|
u8 protection;
|
|
bool enabled, is_40mhz;
|
|
u8 extension_chan_offset;
|
|
} ht;
|
|
};
|
|
|
|
struct iwl_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_cfg *cfg;
|
|
|
|
/* temporary frame storage list */
|
|
struct list_head free_frames;
|
|
int frames_count;
|
|
|
|
enum ieee80211_band band;
|
|
int alloc_rxb_page;
|
|
|
|
void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
|
|
struct iwl_rx_mem_buffer *rxb);
|
|
|
|
struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
|
|
|
|
/* spectrum measurement report caching */
|
|
struct iwl_spectrum_notification measure_report;
|
|
u8 measurement_status;
|
|
|
|
/* ucode beacon time */
|
|
u32 ucode_beacon_time;
|
|
int missed_beacon_threshold;
|
|
|
|
/* track IBSS manager (last beacon) status */
|
|
u32 ibss_manager;
|
|
|
|
/* force reset */
|
|
struct iwl_force_reset force_reset;
|
|
|
|
/* we allocate array of iwl_channel_info for NIC's valid channels.
|
|
* Access via channel # using indirect index array */
|
|
struct iwl_channel_info *channel_info; /* channel info array */
|
|
u8 channel_count; /* # of channels */
|
|
|
|
/* thermal calibration */
|
|
s32 temperature; /* degrees Kelvin */
|
|
s32 last_temperature;
|
|
|
|
/* init calibration results */
|
|
struct iwl_calib_result calib_results[IWL_CALIB_MAX];
|
|
|
|
/* Scan related variables */
|
|
unsigned long scan_start;
|
|
unsigned long scan_start_tsf;
|
|
void *scan_cmd;
|
|
enum ieee80211_band scan_band;
|
|
struct cfg80211_scan_request *scan_request;
|
|
struct ieee80211_vif *scan_vif;
|
|
u8 scan_tx_ant[IEEE80211_NUM_BANDS];
|
|
u8 mgmt_tx_ant;
|
|
|
|
/* spinlock */
|
|
spinlock_t lock; /* protect general shared data */
|
|
spinlock_t hcmd_lock; /* protect hcmd */
|
|
spinlock_t reg_lock; /* protect hw register access */
|
|
struct mutex mutex;
|
|
|
|
/* basic pci-network driver stuff */
|
|
struct pci_dev *pci_dev;
|
|
|
|
/* pci hardware address support */
|
|
void __iomem *hw_base;
|
|
u32 hw_rev;
|
|
u32 hw_wa_rev;
|
|
u8 rev_id;
|
|
|
|
/* microcode/device supports multiple contexts */
|
|
u8 valid_contexts;
|
|
|
|
/* command queue number */
|
|
u8 cmd_queue;
|
|
|
|
/* max number of station keys */
|
|
u8 sta_key_max_num;
|
|
|
|
/* EEPROM MAC addresses */
|
|
struct mac_address addresses[1];
|
|
|
|
/* uCode images, save to reload in case of failure */
|
|
int fw_index; /* firmware we're trying to load */
|
|
u32 ucode_ver; /* version of ucode, copy of
|
|
iwl_ucode.ver */
|
|
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 */
|
|
enum ucode_type ucode_type;
|
|
u8 ucode_write_complete; /* the image write is complete */
|
|
char firmware_name[25];
|
|
|
|
struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
|
|
|
|
__le16 switch_channel;
|
|
|
|
/* 1st responses from initialize and runtime uCode images.
|
|
* _4965's initialize alive response contains some calibration data. */
|
|
struct iwl_init_alive_resp card_alive_init;
|
|
struct iwl_alive_resp card_alive;
|
|
|
|
u16 active_rate;
|
|
|
|
u8 start_calib;
|
|
struct iwl_sensitivity_data sensitivity_data;
|
|
struct iwl_chain_noise_data chain_noise_data;
|
|
__le16 sensitivity_tbl[HD_TABLE_SIZE];
|
|
|
|
struct iwl_ht_config current_ht_config;
|
|
|
|
/* Rate scaling data */
|
|
u8 retry_rate;
|
|
|
|
wait_queue_head_t wait_command_queue;
|
|
|
|
int activity_timer_active;
|
|
|
|
/* Rx and Tx DMA processing queues */
|
|
struct iwl_rx_queue rxq;
|
|
struct iwl_tx_queue *txq;
|
|
unsigned long txq_ctx_active_msk;
|
|
struct iwl_dma_ptr kw; /* keep warm address */
|
|
struct iwl_dma_ptr scd_bc_tbls;
|
|
|
|
u32 scd_base_addr; /* scheduler sram base address */
|
|
|
|
unsigned long status;
|
|
|
|
/* counts mgmt, ctl, and data packets */
|
|
struct traffic_stats tx_stats;
|
|
struct traffic_stats rx_stats;
|
|
|
|
/* counts interrupts */
|
|
struct isr_statistics isr_stats;
|
|
|
|
struct iwl_power_mgr power_data;
|
|
|
|
/* context information */
|
|
u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */
|
|
|
|
/* station table variables */
|
|
|
|
/* Note: if lock and sta_lock are needed, lock must be acquired first */
|
|
spinlock_t sta_lock;
|
|
int num_stations;
|
|
struct iwl_station_entry stations[IWL_STATION_COUNT];
|
|
unsigned long ucode_key_table;
|
|
|
|
/* queue refcounts */
|
|
#define IWL_MAX_HW_QUEUES 32
|
|
unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
|
|
/* for each AC */
|
|
atomic_t queue_stop_count[4];
|
|
|
|
/* Indication if ieee80211_ops->open has been called */
|
|
u8 is_open;
|
|
|
|
u8 mac80211_registered;
|
|
|
|
/* eeprom -- this is in the card's little endian byte order */
|
|
u8 *eeprom;
|
|
struct iwl_eeprom_calib_info *calib_info;
|
|
|
|
enum nl80211_iftype iw_mode;
|
|
|
|
/* Last Rx'd beacon timestamp */
|
|
u64 timestamp;
|
|
|
|
union {
|
|
#if defined(CONFIG_IWL3945) || defined(CONFIG_IWL3945_MODULE)
|
|
struct {
|
|
void *shared_virt;
|
|
dma_addr_t shared_phys;
|
|
|
|
struct delayed_work thermal_periodic;
|
|
struct delayed_work rfkill_poll;
|
|
|
|
struct iwl3945_notif_statistics statistics;
|
|
#ifdef CONFIG_IWLWIFI_LEGACY_DEBUGFS
|
|
struct iwl3945_notif_statistics accum_statistics;
|
|
struct iwl3945_notif_statistics delta_statistics;
|
|
struct iwl3945_notif_statistics max_delta;
|
|
#endif
|
|
|
|
u32 sta_supp_rates;
|
|
int last_rx_rssi; /* From Rx packet statistics */
|
|
|
|
/* Rx'd packet timing information */
|
|
u32 last_beacon_time;
|
|
u64 last_tsf;
|
|
|
|
/*
|
|
* each calibration channel group in the
|
|
* EEPROM has a derived clip setting for
|
|
* each rate.
|
|
*/
|
|
const struct iwl3945_clip_group clip_groups[5];
|
|
|
|
} _3945;
|
|
#endif
|
|
#if defined(CONFIG_IWL4965) || defined(CONFIG_IWL4965_MODULE)
|
|
struct {
|
|
struct iwl_rx_phy_res last_phy_res;
|
|
bool last_phy_res_valid;
|
|
|
|
struct completion firmware_loading_complete;
|
|
|
|
/*
|
|
* chain noise reset and gain commands are the
|
|
* two extra calibration commands follows the standard
|
|
* phy calibration commands
|
|
*/
|
|
u8 phy_calib_chain_noise_reset_cmd;
|
|
u8 phy_calib_chain_noise_gain_cmd;
|
|
|
|
struct iwl_notif_statistics statistics;
|
|
#ifdef CONFIG_IWLWIFI_LEGACY_DEBUGFS
|
|
struct iwl_notif_statistics accum_statistics;
|
|
struct iwl_notif_statistics delta_statistics;
|
|
struct iwl_notif_statistics max_delta;
|
|
#endif
|
|
|
|
} _4965;
|
|
#endif
|
|
};
|
|
|
|
struct iwl_hw_params hw_params;
|
|
|
|
u32 inta_mask;
|
|
|
|
struct workqueue_struct *workqueue;
|
|
|
|
struct work_struct restart;
|
|
struct work_struct scan_completed;
|
|
struct work_struct rx_replenish;
|
|
struct work_struct abort_scan;
|
|
|
|
struct iwl_rxon_context *beacon_ctx;
|
|
struct sk_buff *beacon_skb;
|
|
|
|
struct work_struct tx_flush;
|
|
|
|
struct tasklet_struct irq_tasklet;
|
|
|
|
struct delayed_work init_alive_start;
|
|
struct delayed_work alive_start;
|
|
struct delayed_work scan_check;
|
|
|
|
/* TX Power */
|
|
s8 tx_power_user_lmt;
|
|
s8 tx_power_device_lmt;
|
|
s8 tx_power_next;
|
|
|
|
|
|
#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
|
|
/* debugging info */
|
|
u32 debug_level; /* per device debugging will override global
|
|
iwlegacy_debug_level if set */
|
|
#endif /* CONFIG_IWLWIFI_LEGACY_DEBUG */
|
|
#ifdef CONFIG_IWLWIFI_LEGACY_DEBUGFS
|
|
/* debugfs */
|
|
u16 tx_traffic_idx;
|
|
u16 rx_traffic_idx;
|
|
u8 *tx_traffic;
|
|
u8 *rx_traffic;
|
|
struct dentry *debugfs_dir;
|
|
u32 dbgfs_sram_offset, dbgfs_sram_len;
|
|
bool disable_ht40;
|
|
#endif /* CONFIG_IWLWIFI_LEGACY_DEBUGFS */
|
|
|
|
struct work_struct txpower_work;
|
|
u32 disable_sens_cal;
|
|
u32 disable_chain_noise_cal;
|
|
u32 disable_tx_power_cal;
|
|
struct work_struct run_time_calib_work;
|
|
struct timer_list statistics_periodic;
|
|
struct timer_list watchdog;
|
|
bool hw_ready;
|
|
|
|
struct led_classdev led;
|
|
unsigned long blink_on, blink_off;
|
|
bool led_registered;
|
|
}; /*iwl_priv */
|
|
|
|
static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
|
|
{
|
|
set_bit(txq_id, &priv->txq_ctx_active_msk);
|
|
}
|
|
|
|
static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
|
|
{
|
|
clear_bit(txq_id, &priv->txq_ctx_active_msk);
|
|
}
|
|
|
|
#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
|
|
/*
|
|
* iwl_legacy_get_debug_level: Return active debug level for device
|
|
*
|
|
* Using sysfs it is possible to set per device debug level. This debug
|
|
* level will be used if set, otherwise the global debug level which can be
|
|
* set via module parameter is used.
|
|
*/
|
|
static inline u32 iwl_legacy_get_debug_level(struct iwl_priv *priv)
|
|
{
|
|
if (priv->debug_level)
|
|
return priv->debug_level;
|
|
else
|
|
return iwlegacy_debug_level;
|
|
}
|
|
#else
|
|
static inline u32 iwl_legacy_get_debug_level(struct iwl_priv *priv)
|
|
{
|
|
return iwlegacy_debug_level;
|
|
}
|
|
#endif
|
|
|
|
|
|
static inline struct ieee80211_hdr *
|
|
iwl_legacy_tx_queue_get_hdr(struct iwl_priv *priv,
|
|
int txq_id, int idx)
|
|
{
|
|
if (priv->txq[txq_id].txb[idx].skb)
|
|
return (struct ieee80211_hdr *)priv->txq[txq_id].
|
|
txb[idx].skb->data;
|
|
return NULL;
|
|
}
|
|
|
|
static inline struct iwl_rxon_context *
|
|
iwl_legacy_rxon_ctx_from_vif(struct ieee80211_vif *vif)
|
|
{
|
|
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
|
|
|
|
return vif_priv->ctx;
|
|
}
|
|
|
|
#define for_each_context(priv, ctx) \
|
|
for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
|
|
ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
|
|
if (priv->valid_contexts & BIT(ctx->ctxid))
|
|
|
|
static inline int iwl_legacy_is_associated(struct iwl_priv *priv,
|
|
enum iwl_rxon_context_id ctxid)
|
|
{
|
|
return (priv->contexts[ctxid].active.filter_flags &
|
|
RXON_FILTER_ASSOC_MSK) ? 1 : 0;
|
|
}
|
|
|
|
static inline int iwl_legacy_is_any_associated(struct iwl_priv *priv)
|
|
{
|
|
return iwl_legacy_is_associated(priv, IWL_RXON_CTX_BSS);
|
|
}
|
|
|
|
static inline int iwl_legacy_is_associated_ctx(struct iwl_rxon_context *ctx)
|
|
{
|
|
return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
|
|
}
|
|
|
|
static inline int iwl_legacy_is_channel_valid(const struct iwl_channel_info *ch_info)
|
|
{
|
|
if (ch_info == NULL)
|
|
return 0;
|
|
return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
|
|
}
|
|
|
|
static inline int iwl_legacy_is_channel_radar(const struct iwl_channel_info *ch_info)
|
|
{
|
|
return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
|
|
}
|
|
|
|
static inline u8 iwl_legacy_is_channel_a_band(const struct iwl_channel_info *ch_info)
|
|
{
|
|
return ch_info->band == IEEE80211_BAND_5GHZ;
|
|
}
|
|
|
|
static inline int
|
|
iwl_legacy_is_channel_passive(const struct iwl_channel_info *ch)
|
|
{
|
|
return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
|
|
}
|
|
|
|
static inline int
|
|
iwl_legacy_is_channel_ibss(const struct iwl_channel_info *ch)
|
|
{
|
|
return (ch->flags & EEPROM_CHANNEL_IBSS) ? 1 : 0;
|
|
}
|
|
|
|
static inline void
|
|
__iwl_legacy_free_pages(struct iwl_priv *priv, struct page *page)
|
|
{
|
|
__free_pages(page, priv->hw_params.rx_page_order);
|
|
priv->alloc_rxb_page--;
|
|
}
|
|
|
|
static inline void iwl_legacy_free_pages(struct iwl_priv *priv, unsigned long page)
|
|
{
|
|
free_pages(page, priv->hw_params.rx_page_order);
|
|
priv->alloc_rxb_page--;
|
|
}
|
|
#endif /* __iwl_legacy_dev_h__ */
|