1165 lines
30 KiB
C
1165 lines
30 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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*/
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#ifndef __iwl_dev_h__
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#define __iwl_dev_h__
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/wait.h>
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#include <linux/leds.h>
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#include <linux/slab.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-debug.h"
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#include "iwl-agn-hw.h"
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#include "iwl-led.h"
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#include "iwl-power.h"
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#include "iwl-agn-rs.h"
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#include "iwl-agn-tt.h"
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#include "iwl-bus.h"
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#include "iwl-trans.h"
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#include "iwl-shared.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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#define CT_KILL_THRESHOLD 114 /* in Celsius */
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#define CT_KILL_EXIT_THRESHOLD 95 /* 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 200U
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#define DEFAULT_SHORT_RETRY_LIMIT 7U
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#define DEFAULT_LONG_RETRY_LIMIT 4U
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#define IWL_NUM_SCAN_RATES (2)
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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 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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};
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/*
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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
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* - 4 standard TX queues
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* - the command queue
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* - 4 PAN TX queues
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* - the PAN multicast queue, and
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* - the AUX (TX during scan dwell) queue.
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*/
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#define IWL_MIN_NUM_QUEUES 11
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/*
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* Command queue depends on iPAN support.
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*/
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#define IWL_DEFAULT_CMD_QUEUE_NUM 4
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#define IWL_IPAN_CMD_QUEUE_NUM 9
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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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#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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#define IWL_SUPPORTED_RATES_IE_LEN 8
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#define IWL_INVALID_RATE 0xFF
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#define IWL_INVALID_VALUE -1
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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_addsta_cmd and iwl_link_quality_cmd) without sta_lock
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* held.
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*/
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struct iwl_station_entry {
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struct iwl_addsta_cmd sta;
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u8 used, ctxid;
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struct iwl_link_quality_cmd *lq;
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};
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/*
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* iwl_station_priv: Driver's private station information
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*
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* When mac80211 creates a station it reserves some space (hw->sta_data_size)
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* in the structure for use by driver. This structure is places in that
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* space.
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*/
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struct iwl_station_priv {
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struct iwl_rxon_context *ctx;
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struct iwl_lq_sta lq_sta;
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atomic_t pending_frames;
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bool client;
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bool asleep;
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u8 max_agg_bufsize;
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u8 sta_id;
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};
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/**
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* struct iwl_vif_priv - driver's private per-interface information
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*
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* When mac80211 allocates a virtual interface, it can allocate
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* space for us to put data into.
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*/
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struct iwl_vif_priv {
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struct iwl_rxon_context *ctx;
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u8 ibss_bssid_sta_id;
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};
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/* v1/v2 uCode file layout */
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struct iwl_ucode_header {
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__le32 ver; /* major/minor/API/serial */
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union {
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struct {
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__le32 inst_size; /* bytes of runtime code */
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__le32 data_size; /* bytes of runtime data */
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__le32 init_size; /* bytes of init code */
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__le32 init_data_size; /* bytes of init data */
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__le32 boot_size; /* bytes of bootstrap code */
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u8 data[0]; /* in same order as sizes */
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} v1;
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struct {
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__le32 build; /* build number */
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__le32 inst_size; /* bytes of runtime code */
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__le32 data_size; /* bytes of runtime data */
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__le32 init_size; /* bytes of init code */
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__le32 init_data_size; /* bytes of init data */
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__le32 boot_size; /* bytes of bootstrap code */
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u8 data[0]; /* in same order as sizes */
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} v2;
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} u;
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};
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/*
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* new TLV uCode file layout
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*
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* The new TLV file format contains TLVs, that each specify
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* some piece of data. To facilitate "groups", for example
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* different instruction image with different capabilities,
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* bundled with the same init image, an alternative mechanism
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* is provided:
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* When the alternative field is 0, that means that the item
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* is always valid. When it is non-zero, then it is only
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* valid in conjunction with items of the same alternative,
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* in which case the driver (user) selects one alternative
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* to use.
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*/
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enum iwl_ucode_tlv_type {
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IWL_UCODE_TLV_INVALID = 0, /* unused */
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IWL_UCODE_TLV_INST = 1,
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IWL_UCODE_TLV_DATA = 2,
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IWL_UCODE_TLV_INIT = 3,
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IWL_UCODE_TLV_INIT_DATA = 4,
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IWL_UCODE_TLV_BOOT = 5,
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IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */
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IWL_UCODE_TLV_PAN = 7,
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IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8,
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IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9,
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IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10,
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IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11,
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IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12,
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IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13,
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IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14,
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IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15,
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IWL_UCODE_TLV_WOWLAN_INST = 16,
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IWL_UCODE_TLV_WOWLAN_DATA = 17,
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IWL_UCODE_TLV_FLAGS = 18,
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};
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/**
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* enum iwl_ucode_tlv_flag - ucode API flags
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* @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
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* was a separate TLV but moved here to save space.
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* @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID,
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* treats good CRC threshold as a boolean
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* @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
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* @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P.
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*/
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enum iwl_ucode_tlv_flag {
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IWL_UCODE_TLV_FLAGS_PAN = BIT(0),
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IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1),
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IWL_UCODE_TLV_FLAGS_MFP = BIT(2),
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IWL_UCODE_TLV_FLAGS_P2P = BIT(3),
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};
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struct iwl_ucode_tlv {
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__le16 type; /* see above */
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__le16 alternative; /* see comment */
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__le32 length; /* not including type/length fields */
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u8 data[0];
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} __packed;
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#define IWL_TLV_UCODE_MAGIC 0x0a4c5749
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struct iwl_tlv_ucode_header {
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/*
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* The TLV style ucode header is distinguished from
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* the v1/v2 style header by first four bytes being
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* zero, as such is an invalid combination of
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* major/minor/API/serial versions.
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*/
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__le32 zero;
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__le32 magic;
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u8 human_readable[64];
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__le32 ver; /* major/minor/API/serial */
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__le32 build;
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__le64 alternatives; /* bitmask of valid alternatives */
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/*
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* The data contained herein has a TLV layout,
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* see above for the TLV header and types.
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* Note that each TLV is padded to a length
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* that is a multiple of 4 for alignment.
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*/
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u8 data[0];
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};
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struct iwl_sensitivity_ranges {
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u16 min_nrg_cck;
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u16 max_nrg_cck;
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u16 nrg_th_cck;
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u16 nrg_th_ofdm;
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u16 auto_corr_min_ofdm;
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u16 auto_corr_min_ofdm_mrc;
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u16 auto_corr_min_ofdm_x1;
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u16 auto_corr_min_ofdm_mrc_x1;
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u16 auto_corr_max_ofdm;
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u16 auto_corr_max_ofdm_mrc;
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u16 auto_corr_max_ofdm_x1;
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u16 auto_corr_max_ofdm_mrc_x1;
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u16 auto_corr_max_cck;
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u16 auto_corr_max_cck_mrc;
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u16 auto_corr_min_cck;
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u16 auto_corr_min_cck_mrc;
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u16 barker_corr_th_min;
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u16 barker_corr_th_min_mrc;
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u16 nrg_th_cca;
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};
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#define KELVIN_TO_CELSIUS(x) ((x)-273)
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#define CELSIUS_TO_KELVIN(x) ((x)+273)
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/******************************************************************************
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*
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* Functions implemented in core module which are forward declared here
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* for use by iwl-[4-5].c
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*
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* NOTE: The implementation of these functions are not hardware specific
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* which is why they are in the core module files.
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*
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* Naming convention --
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* iwl_ <-- Is part of iwlwifi
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* iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
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*
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****************************************************************************/
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extern void iwl_update_chain_flags(struct iwl_priv *priv);
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extern const u8 iwl_bcast_addr[ETH_ALEN];
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#define IWL_OPERATION_MODE_AUTO 0
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#define IWL_OPERATION_MODE_HT_ONLY 1
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#define IWL_OPERATION_MODE_MIXED 2
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#define IWL_OPERATION_MODE_20MHZ 3
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#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
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/* Sensitivity and chain noise calibration */
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#define INITIALIZATION_VALUE 0xFFFF
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#define IWL_CAL_NUM_BEACONS 16
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#define MAXIMUM_ALLOWED_PATHLOSS 15
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#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
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#define MAX_FA_OFDM 50
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#define MIN_FA_OFDM 5
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#define MAX_FA_CCK 50
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#define MIN_FA_CCK 5
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#define AUTO_CORR_STEP_OFDM 1
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#define AUTO_CORR_STEP_CCK 3
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#define AUTO_CORR_MAX_TH_CCK 160
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#define NRG_DIFF 2
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#define NRG_STEP_CCK 2
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#define NRG_MARGIN 8
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#define MAX_NUMBER_CCK_NO_FA 100
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#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
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#define CHAIN_A 0
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#define CHAIN_B 1
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#define CHAIN_C 2
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#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
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#define ALL_BAND_FILTER 0xFF00
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#define IN_BAND_FILTER 0xFF
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#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
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#define NRG_NUM_PREV_STAT_L 20
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#define NUM_RX_CHAINS 3
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enum iwlagn_false_alarm_state {
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IWL_FA_TOO_MANY = 0,
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IWL_FA_TOO_FEW = 1,
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IWL_FA_GOOD_RANGE = 2,
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};
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enum iwlagn_chain_noise_state {
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IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
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IWL_CHAIN_NOISE_ACCUMULATE,
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IWL_CHAIN_NOISE_CALIBRATED,
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IWL_CHAIN_NOISE_DONE,
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};
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/*
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* enum iwl_calib
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* defines the order in which results of initial calibrations
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* should be sent to the runtime uCode
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*/
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enum iwl_calib {
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IWL_CALIB_XTAL,
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IWL_CALIB_DC,
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IWL_CALIB_LO,
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IWL_CALIB_TX_IQ,
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IWL_CALIB_TX_IQ_PERD,
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IWL_CALIB_BASE_BAND,
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IWL_CALIB_TEMP_OFFSET,
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IWL_CALIB_MAX
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};
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/* Opaque calibration results */
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struct iwl_calib_result {
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void *buf;
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size_t buf_len;
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};
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/* Sensitivity calib data */
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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) */
|
|
|
|
enum {
|
|
MEASUREMENT_READY = (1 << 0),
|
|
MEASUREMENT_ACTIVE = (1 << 1),
|
|
};
|
|
|
|
enum iwl_nvm_type {
|
|
NVM_DEVICE_TYPE_EEPROM = 0,
|
|
NVM_DEVICE_TYPE_OTP,
|
|
};
|
|
|
|
/*
|
|
* Two types of OTP memory access modes
|
|
* IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
|
|
* based on physical memory addressing
|
|
* IWL_OTP_ACCESS_RELATIVE - relative address mode,
|
|
* based on logical memory addressing
|
|
*/
|
|
enum iwl_access_mode {
|
|
IWL_OTP_ACCESS_ABSOLUTE,
|
|
IWL_OTP_ACCESS_RELATIVE,
|
|
};
|
|
|
|
/**
|
|
* enum iwl_pa_type - Power Amplifier type
|
|
* @IWL_PA_SYSTEM: based on uCode configuration
|
|
* @IWL_PA_INTERNAL: use Internal only
|
|
*/
|
|
enum iwl_pa_type {
|
|
IWL_PA_SYSTEM = 0,
|
|
IWL_PA_INTERNAL = 1,
|
|
};
|
|
|
|
/* reply_tx_statistics (for _agn devices) */
|
|
struct reply_tx_error_statistics {
|
|
u32 pp_delay;
|
|
u32 pp_few_bytes;
|
|
u32 pp_bt_prio;
|
|
u32 pp_quiet_period;
|
|
u32 pp_calc_ttak;
|
|
u32 int_crossed_retry;
|
|
u32 short_limit;
|
|
u32 long_limit;
|
|
u32 fifo_underrun;
|
|
u32 drain_flow;
|
|
u32 rfkill_flush;
|
|
u32 life_expire;
|
|
u32 dest_ps;
|
|
u32 host_abort;
|
|
u32 bt_retry;
|
|
u32 sta_invalid;
|
|
u32 frag_drop;
|
|
u32 tid_disable;
|
|
u32 fifo_flush;
|
|
u32 insuff_cf_poll;
|
|
u32 fail_hw_drop;
|
|
u32 sta_color_mismatch;
|
|
u32 unknown;
|
|
};
|
|
|
|
/* reply_agg_tx_statistics (for _agn devices) */
|
|
struct reply_agg_tx_error_statistics {
|
|
u32 underrun;
|
|
u32 bt_prio;
|
|
u32 few_bytes;
|
|
u32 abort;
|
|
u32 last_sent_ttl;
|
|
u32 last_sent_try;
|
|
u32 last_sent_bt_kill;
|
|
u32 scd_query;
|
|
u32 bad_crc32;
|
|
u32 response;
|
|
u32 dump_tx;
|
|
u32 delay_tx;
|
|
u32 unknown;
|
|
};
|
|
|
|
/* 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_DEBUGFS
|
|
u32 mgmt[MANAGEMENT_MAX];
|
|
u32 ctrl[CONTROL_MAX];
|
|
u32 data_cnt;
|
|
u64 data_bytes;
|
|
#endif
|
|
};
|
|
|
|
/*
|
|
* schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
|
|
* to perform continuous uCode event logging operation if enabled
|
|
*/
|
|
#define UCODE_TRACE_PERIOD (100)
|
|
|
|
/*
|
|
* iwl_event_log: current uCode event log position
|
|
*
|
|
* @ucode_trace: enable/disable ucode continuous trace timer
|
|
* @num_wraps: how many times the event buffer wraps
|
|
* @next_entry: the entry just before the next one that uCode would fill
|
|
* @non_wraps_count: counter for no wrap detected when dump ucode events
|
|
* @wraps_once_count: counter for wrap once detected when dump ucode events
|
|
* @wraps_more_count: counter for wrap more than once detected
|
|
* when dump ucode events
|
|
*/
|
|
struct iwl_event_log {
|
|
bool ucode_trace;
|
|
u32 num_wraps;
|
|
u32 next_entry;
|
|
int non_wraps_count;
|
|
int wraps_once_count;
|
|
int wraps_more_count;
|
|
};
|
|
|
|
/*
|
|
* This is the threshold value of plcp error rate per 100mSecs. It is
|
|
* used to set and check for the validity of plcp_delta.
|
|
*/
|
|
#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
|
|
#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
|
|
#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
|
|
#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
|
|
#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
|
|
#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
|
|
|
|
#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
|
|
#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)
|
|
|
|
/* BT Antenna Coupling Threshold (dB) */
|
|
#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
|
|
|
|
/* Firmware reload counter and Timestamp */
|
|
#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
|
|
#define IWL_MAX_CONTINUE_RELOAD_CNT 4
|
|
|
|
|
|
enum iwl_reset {
|
|
IWL_RF_RESET = 0,
|
|
IWL_FW_RESET,
|
|
IWL_MAX_FORCE_RESET,
|
|
};
|
|
|
|
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 _agn devices
|
|
* bits 31:22 - extended
|
|
* bits 21:0 - interval
|
|
*/
|
|
#define IWLAGN_EXT_BEACON_TIME_POS 22
|
|
|
|
/**
|
|
* struct iwl_notification_wait - notification wait entry
|
|
* @list: list head for global list
|
|
* @fn: function called with the notification
|
|
* @cmd: command ID
|
|
*
|
|
* This structure is not used directly, to wait for a
|
|
* notification declare it on the stack, and call
|
|
* iwlagn_init_notification_wait() with appropriate
|
|
* parameters. Then do whatever will cause the ucode
|
|
* to notify the driver, and to wait for that then
|
|
* call iwlagn_wait_notification().
|
|
*
|
|
* Each notification is one-shot. If at some point we
|
|
* need to support multi-shot notifications (which
|
|
* can't be allocated on the stack) we need to modify
|
|
* the code for them.
|
|
*/
|
|
struct iwl_notification_wait {
|
|
struct list_head list;
|
|
|
|
void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt,
|
|
void *data);
|
|
void *fn_data;
|
|
|
|
u8 cmd;
|
|
bool triggered, aborted;
|
|
};
|
|
|
|
struct iwl_rxon_context {
|
|
struct ieee80211_vif *vif;
|
|
|
|
/*
|
|
* 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_rxon_cmd active;
|
|
struct iwl_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;
|
|
|
|
int beacon_int;
|
|
|
|
struct {
|
|
bool non_gf_sta_present;
|
|
u8 protection;
|
|
bool enabled, is_40mhz;
|
|
u8 extension_chan_offset;
|
|
} ht;
|
|
|
|
u8 bssid[ETH_ALEN];
|
|
bool preauth_bssid;
|
|
|
|
bool last_tx_rejected;
|
|
};
|
|
|
|
enum iwl_scan_type {
|
|
IWL_SCAN_NORMAL,
|
|
IWL_SCAN_RADIO_RESET,
|
|
IWL_SCAN_ROC,
|
|
};
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
|
|
struct iwl_testmode_trace {
|
|
u32 buff_size;
|
|
u32 total_size;
|
|
u32 num_chunks;
|
|
u8 *cpu_addr;
|
|
u8 *trace_addr;
|
|
dma_addr_t dma_addr;
|
|
bool trace_enabled;
|
|
};
|
|
#endif
|
|
|
|
struct iwl_wipan_noa_data {
|
|
struct rcu_head rcu_head;
|
|
u32 length;
|
|
u8 data[];
|
|
};
|
|
|
|
struct iwl_priv {
|
|
|
|
/*data shared among all the driver's layers */
|
|
struct iwl_shared _shrd;
|
|
struct iwl_shared *shrd;
|
|
|
|
/* ieee device used by generic ieee processing code */
|
|
struct ieee80211_hw *hw;
|
|
struct ieee80211_channel *ieee_channels;
|
|
struct ieee80211_rate *ieee_rates;
|
|
struct kmem_cache *tx_cmd_pool;
|
|
struct iwl_cfg *cfg;
|
|
|
|
enum ieee80211_band band;
|
|
|
|
void (*pre_rx_handler)(struct iwl_priv *priv,
|
|
struct iwl_rx_mem_buffer *rxb);
|
|
int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
|
|
struct iwl_rx_mem_buffer *rxb,
|
|
struct iwl_device_cmd *cmd);
|
|
|
|
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;
|
|
|
|
/* jiffies when last recovery from statistics was performed */
|
|
unsigned long rx_statistics_jiffies;
|
|
|
|
/*counters */
|
|
u32 rx_handlers_stats[REPLY_MAX];
|
|
|
|
/* force reset */
|
|
struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET];
|
|
|
|
/* firmware reload counter and timestamp */
|
|
unsigned long reload_jiffies;
|
|
int reload_count;
|
|
|
|
/* 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; /* Celsius */
|
|
s32 last_temperature;
|
|
|
|
/* init calibration results */
|
|
struct iwl_calib_result calib_results[IWL_CALIB_MAX];
|
|
|
|
struct iwl_wipan_noa_data __rcu *noa_data;
|
|
|
|
/* 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;
|
|
enum iwl_scan_type scan_type;
|
|
u8 scan_tx_ant[IEEE80211_NUM_BANDS];
|
|
u8 mgmt_tx_ant;
|
|
|
|
/* max number of station keys */
|
|
u8 sta_key_max_num;
|
|
|
|
bool new_scan_threshold_behaviour;
|
|
|
|
/* EEPROM MAC addresses */
|
|
struct mac_address addresses[2];
|
|
|
|
/* 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 */
|
|
|
|
enum iwl_ucode_type ucode_type;
|
|
char firmware_name[25];
|
|
|
|
struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
|
|
|
|
__le16 switch_channel;
|
|
|
|
struct {
|
|
u32 error_event_table;
|
|
u32 log_event_table;
|
|
} device_pointers;
|
|
|
|
u16 active_rate;
|
|
|
|
u8 start_calib;
|
|
struct iwl_sensitivity_data sensitivity_data;
|
|
struct iwl_chain_noise_data chain_noise_data;
|
|
bool enhance_sensitivity_table;
|
|
__le16 sensitivity_tbl[HD_TABLE_SIZE];
|
|
__le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
|
|
|
|
struct iwl_ht_config current_ht_config;
|
|
|
|
/* Rate scaling data */
|
|
u8 retry_rate;
|
|
|
|
int activity_timer_active;
|
|
|
|
/* counts mgmt, ctl, and data packets */
|
|
struct traffic_stats tx_stats;
|
|
struct traffic_stats rx_stats;
|
|
|
|
struct iwl_power_mgr power_data;
|
|
struct iwl_tt_mgmt thermal_throttle;
|
|
|
|
/* station table variables */
|
|
int num_stations;
|
|
struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
|
|
unsigned long ucode_key_table;
|
|
|
|
u8 mac80211_registered;
|
|
|
|
/* Indication if ieee80211_ops->open has been called */
|
|
u8 is_open;
|
|
|
|
/* 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;
|
|
|
|
struct {
|
|
__le32 flag;
|
|
struct statistics_general_common common;
|
|
struct statistics_rx_non_phy rx_non_phy;
|
|
struct statistics_rx_phy rx_ofdm;
|
|
struct statistics_rx_ht_phy rx_ofdm_ht;
|
|
struct statistics_rx_phy rx_cck;
|
|
struct statistics_tx tx;
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
struct statistics_bt_activity bt_activity;
|
|
__le32 num_bt_kills, accum_num_bt_kills;
|
|
#endif
|
|
} statistics;
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
struct {
|
|
struct statistics_general_common common;
|
|
struct statistics_rx_non_phy rx_non_phy;
|
|
struct statistics_rx_phy rx_ofdm;
|
|
struct statistics_rx_ht_phy rx_ofdm_ht;
|
|
struct statistics_rx_phy rx_cck;
|
|
struct statistics_tx tx;
|
|
struct statistics_bt_activity bt_activity;
|
|
} accum_stats, delta_stats, max_delta_stats;
|
|
#endif
|
|
|
|
/*
|
|
* reporting the number of tids has AGG on. 0 means
|
|
* no AGGREGATION
|
|
*/
|
|
u8 agg_tids_count;
|
|
|
|
struct iwl_rx_phy_res last_phy_res;
|
|
bool last_phy_res_valid;
|
|
|
|
struct completion firmware_loading_complete;
|
|
|
|
u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
|
|
u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
|
|
|
|
/*
|
|
* 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;
|
|
|
|
/* counts reply_tx error */
|
|
struct reply_tx_error_statistics reply_tx_stats;
|
|
struct reply_agg_tx_error_statistics reply_agg_tx_stats;
|
|
/* notification wait support */
|
|
struct list_head notif_waits;
|
|
spinlock_t notif_wait_lock;
|
|
wait_queue_head_t notif_waitq;
|
|
|
|
/* remain-on-channel offload support */
|
|
struct ieee80211_channel *hw_roc_channel;
|
|
struct delayed_work hw_roc_disable_work;
|
|
enum nl80211_channel_type hw_roc_chantype;
|
|
int hw_roc_duration;
|
|
bool hw_roc_setup, hw_roc_start_notified;
|
|
|
|
/* bt coex */
|
|
u8 bt_enable_flag;
|
|
u8 bt_status;
|
|
u8 bt_traffic_load, last_bt_traffic_load;
|
|
bool bt_ch_announce;
|
|
bool bt_full_concurrent;
|
|
bool bt_ant_couple_ok;
|
|
__le32 kill_ack_mask;
|
|
__le32 kill_cts_mask;
|
|
__le16 bt_valid;
|
|
u16 bt_on_thresh;
|
|
u16 bt_duration;
|
|
u16 dynamic_frag_thresh;
|
|
u8 bt_ci_compliance;
|
|
struct work_struct bt_traffic_change_work;
|
|
bool bt_enable_pspoll;
|
|
struct iwl_rxon_context *cur_rssi_ctx;
|
|
bool bt_is_sco;
|
|
|
|
struct work_struct restart;
|
|
struct work_struct scan_completed;
|
|
struct work_struct abort_scan;
|
|
|
|
struct work_struct beacon_update;
|
|
struct iwl_rxon_context *beacon_ctx;
|
|
struct sk_buff *beacon_skb;
|
|
void *beacon_cmd;
|
|
|
|
struct work_struct tt_work;
|
|
struct work_struct ct_enter;
|
|
struct work_struct ct_exit;
|
|
struct work_struct start_internal_scan;
|
|
struct work_struct tx_flush;
|
|
struct work_struct bt_full_concurrency;
|
|
struct work_struct bt_runtime_config;
|
|
|
|
struct delayed_work scan_check;
|
|
|
|
/* TX Power */
|
|
s8 tx_power_user_lmt;
|
|
s8 tx_power_device_lmt;
|
|
s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
|
|
s8 tx_power_next;
|
|
|
|
#ifdef CONFIG_IWLWIFI_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;
|
|
void *wowlan_sram;
|
|
#endif /* CONFIG_IWLWIFI_DEBUGFS */
|
|
|
|
struct work_struct txpower_work;
|
|
u32 disable_sens_cal;
|
|
u32 disable_chain_noise_cal;
|
|
struct work_struct run_time_calib_work;
|
|
struct timer_list statistics_periodic;
|
|
struct timer_list ucode_trace;
|
|
struct timer_list watchdog;
|
|
|
|
struct iwl_event_log event_log;
|
|
|
|
struct led_classdev led;
|
|
unsigned long blink_on, blink_off;
|
|
bool led_registered;
|
|
#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
|
|
struct iwl_testmode_trace testmode_trace;
|
|
u32 tm_fixed_rate;
|
|
#endif
|
|
|
|
/* WoWLAN GTK rekey data */
|
|
u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
|
|
__le64 replay_ctr;
|
|
__le16 last_seq_ctl;
|
|
bool have_rekey_data;
|
|
}; /*iwl_priv */
|
|
|
|
extern struct iwl_mod_params iwlagn_mod_params;
|
|
|
|
static inline struct iwl_rxon_context *
|
|
iwl_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->shrd->valid_contexts & BIT(ctx->ctxid))
|
|
|
|
static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
|
|
{
|
|
return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
|
|
}
|
|
|
|
static inline int iwl_is_associated(struct iwl_priv *priv,
|
|
enum iwl_rxon_context_id ctxid)
|
|
{
|
|
return iwl_is_associated_ctx(&priv->contexts[ctxid]);
|
|
}
|
|
|
|
static inline int iwl_is_any_associated(struct iwl_priv *priv)
|
|
{
|
|
struct iwl_rxon_context *ctx;
|
|
for_each_context(priv, ctx)
|
|
if (iwl_is_associated_ctx(ctx))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
static inline int 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 is_channel_radar(const struct iwl_channel_info *ch_info)
|
|
{
|
|
return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
|
|
}
|
|
|
|
static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
|
|
{
|
|
return ch_info->band == IEEE80211_BAND_5GHZ;
|
|
}
|
|
|
|
static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
|
|
{
|
|
return ch_info->band == IEEE80211_BAND_2GHZ;
|
|
}
|
|
|
|
static inline int is_channel_passive(const struct iwl_channel_info *ch)
|
|
{
|
|
return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
|
|
}
|
|
|
|
static inline int is_channel_ibss(const struct iwl_channel_info *ch)
|
|
{
|
|
return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
|
|
}
|
|
|
|
#endif /* __iwl_dev_h__ */
|