drivers/net/wireless/marvell/libertas/README

   1 ================================================================================
   2                         README for Libertas
   3
   4  (c) Copyright © 2003-2006, Marvell International Ltd.
   5  All Rights Reserved
   6
   7  This software file (the "File") is distributed by Marvell International
   8  Ltd. under the terms of the GNU General Public License Version 2, June 1991
   9  (the "License").  You may use, redistribute and/or modify this File in
  10  accordance with the terms and conditions of the License, a copy of which
  11  is available along with the File in the license.txt file or on the worldwide
  12  web at http://www.gnu.org/licenses/gpl.txt.
  13
  14  THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  this warranty disclaimer.
  18 ================================================================================
  19
  20 =====================
  21 DRIVER LOADING
  22 =====================
  23
  24         o. Copy the firmware image (e.g. usb8388.bin) to /lib/firmware/
  25
  26         o. Load driver by using the following command:
  27
  28                 insmod usb8388.ko [fw_name=usb8388.bin]
  29
  30 =========================
  31 ETHTOOL
  32 =========================
  33
  34
  35 Use the -i option to retrieve version information from the driver.
  36
  37 # ethtool -i eth0
  38 driver: libertas
  39 version: COMM-USB8388-318.p4
  40 firmware-version: 5.110.7
  41 bus-info:
  42
  43 Use the -e option to read the EEPROM contents of the card.
  44
  45         Usage:
  46         ethtool -e ethX [raw on|off] [offset N] [length N]
  47
  48        -e     retrieves and prints an EEPROM dump for the  specified  ethernet
  49               device.   When raw is enabled, then it dumps the raw EEPROM data
  50               to stdout. The length and offset parameters allow  dumping  cer-
  51               tain portions of the EEPROM.  Default is to dump the entire EEP-
  52               ROM.
  53
  54 # ethtool -e eth0 offset 0 length 16
  55 Offset          Values
  56 ------          ------
  57 0x0000          38 33 30 58 00 00 34 f4 00 00 10 00 00 c4 17 00
  58
  59 ========================
  60 DEBUGFS COMMANDS
  61 ========================
  62
  63 those commands are used via debugfs interface
  64
  65 ===========
  66 rdmac
  67 rdbbp
  68 rdrf
  69         These commands are used to read the MAC, BBP and RF registers from the
  70         card.  These commands take one parameter that specifies the offset
  71         location that is to be read.  This parameter must be specified in
  72         hexadecimal (its possible to precede preceding the number with a "0x").
  73
  74         Path: /sys/kernel/debug/libertas_wireless/ethX/registers/
  75
  76         Usage:
  77                 echo "0xa123" > rdmac ; cat rdmac
  78                 echo "0xa123" > rdbbp ; cat rdbbp
  79                 echo "0xa123" > rdrf ; cat rdrf
  80 wrmac
  81 wrbbp
  82 wrrf
  83         These commands are used to write the MAC, BBP and RF registers in the
  84         card.  These commands take two parameters that specify the offset
  85         location and the value that is to be written. This parameters must
  86         be specified in hexadecimal (its possible to precede the number
  87         with a "0x").
  88
  89         Usage:
  90                 echo "0xa123 0xaa" > wrmac
  91                 echo "0xa123 0xaa" > wrbbp
  92                 echo "0xa123 0xaa" > wrrf
  93
  94 sleepparams
  95         This command is used to set the sleepclock configurations
  96
  97         Path: /sys/kernel/debug/libertas_wireless/ethX/
  98
  99         Usage:
 100                 cat sleepparams: reads the current sleepclock configuration
 101
 102                 echo "p1 p2 p3 p4 p5 p6" > sleepparams: writes the sleepclock configuration.
 103
 104                 where:
 105                         p1 is Sleep clock error in ppm (0-65535)
 106                         p2 is Wakeup offset in usec (0-65535)
 107                         p3 is Clock stabilization time in usec (0-65535)
 108                         p4 is Control periodic calibration (0-2)
 109                         p5 is Control the use of external sleep clock (0-2)
 110                         p6 is reserved for debug (0-65535)
 111
 112 subscribed_events
 113
 114         The subscribed_events directory contains the interface for the
 115         subscribed events API.
 116
 117         Path: /sys/kernel/debug/libertas_wireless/ethX/subscribed_events/
 118
 119         Each event is represented by a filename. Each filename consists of the
 120         following three fields:
 121         Value Frequency Subscribed
 122
 123         To read the current values for a given event, do:
 124                 cat event
 125         To set the current values, do:
 126                 echo "60 2 1" > event
 127
 128         Frequency field specifies the reporting frequency for this event.
 129         If it is set to 0, then the event is reported only once, and then
 130         automatically unsubscribed. If it is set to 1, then the event is
 131         reported every time it occurs. If it is set to N, then the event is
 132         reported every Nth time it occurs.
 133
 134         beacon_missed
 135         Value field specifies the number of consecutive missing beacons which
 136         triggers the LINK_LOSS event. This event is generated only once after
 137         which the firmware resets its state. At initialization, the LINK_LOSS
 138         event is subscribed by default. The default value of MissedBeacons is
 139         60.
 140
 141         failure_count
 142         Value field specifies the consecutive failure count threshold which
 143         triggers the generation of the MAX_FAIL event. Once this event is
 144         generated, the consecutive failure count is reset to 0.
 145         At initialization, the MAX_FAIL event is NOT subscribed by
 146         default.
 147
 148         high_rssi
 149         This event is generated when the average received RSSI in beacons goes
 150         above a threshold, specified by Value.
 151
 152         low_rssi
 153         This event is generated when the average received RSSI in beacons goes
 154         below a threshold, specified by Value.
 155
 156         high_snr
 157         This event is generated when the average received SNR in beacons goes
 158         above a threshold, specified by Value.
 159
 160         low_snr
 161         This event is generated when the average received SNR in beacons goes
 162         below a threshold, specified by Value.
 163
 164 extscan
 165         This command is used to do a specific scan.
 166
 167         Path: /sys/kernel/debug/libertas_wireless/ethX/
 168
 169         Usage: echo "SSID" > extscan
 170
 171         Example:
 172                 echo "LINKSYS-AP" > extscan
 173
 174         To see the results of use getscantable command.
 175
 176 getscantable
 177
 178         Display the current contents of the driver scan table (ie. get the
 179         scan results).
 180
 181         Path: /sys/kernel/debug/libertas_wireless/ethX/
 182
 183         Usage:
 184                 cat getscantable
 185
 186 setuserscan
 187         Initiate a customized scan and retrieve the results
 188
 189
 190         Path: /sys/kernel/debug/libertas_wireless/ethX/
 191
 192     Usage:
 193        echo "[ARGS]" > setuserscan
 194
 195          where [ARGS]:
 196
 197       bssid=xx:xx:xx:xx:xx:xx  specify a BSSID filter for the scan
 198       ssid="[SSID]"            specify a SSID filter for the scan
 199       keep=[0 or 1]            keep the previous scan results (1), discard (0)
 200       dur=[scan time]          time to scan for each channel in milliseconds
 201       type=[1,2,3]             BSS type: 1 (Infra), 2(Adhoc), 3(Any)
 202
 203     Any combination of the above arguments can be supplied on the command
 204     line. If dur tokens are absent, the driver default setting will be used.
 205     The bssid and ssid fields, if blank, will produce an unfiltered scan.
 206     The type field will default to 3 (Any) and the keep field will default
 207     to 0 (Discard).
 208
 209     Examples:
 210     1) Perform a passive scan on all channels for 20 ms per channel:
 211             echo "dur=20" > setuserscan
 212
 213     2) Perform an active scan for a specific SSID:
 214             echo "ssid="TestAP"" > setuserscan
 215
 216     3) Scan all available channels (B/G, A bands) for a specific BSSID, keep
 217        the current scan table intact, update existing or append new scan data:
 218             echo "bssid=00:50:43:20:12:82 keep=1" > setuserscan
 219
 220     4) Scan for all infrastructure networks.
 221        Keep the previous scan table intact. Update any duplicate BSSID/SSID
 222        matches with the new scan data:
 223             echo "type=1 keep=1" > setuserscan
 224
 225     All entries in the scan table (not just the new scan data when keep=1)
 226     will be displayed upon completion by use of the getscantable ioctl.
 227
 228 hostsleep
 229         This command is used to enable/disable host sleep.
 230         Note: Host sleep parameters should be configured using
 231         "ethtool -s ethX wol X" command before enabling host sleep.
 232
 233         Path: /sys/kernel/debug/libertas_wireless/ethX/
 234
 235         Usage:
 236                 cat hostsleep: reads the current hostsleep state
 237                 echo "1" > hostsleep : enable host sleep.
 238                 echo "0" > hostsleep : disable host sleep
 239