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-================================================================================
- README for USB8388
-
- (c) Copyright © 2003-2006, Marvell International Ltd.
- All Rights Reserved
-
- This software file (the "File") is distributed by Marvell International
- Ltd. under the terms of the GNU General Public License Version 2, June 1991
- (the "License"). You may use, redistribute and/or modify this File in
- accordance with the terms and conditions of the License, a copy of which
- is available along with the File in the license.txt file or by writing to
- the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
-
- THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
- IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
- ARE EXPRESSLY DISCLAIMED. The License provides additional details about
- this warranty disclaimer.
-================================================================================
-
-=====================
-DRIVER LOADING
-=====================
-
- o. Copy the firmware image (e.g. usb8388.bin) to /lib/firmware/
-
- o. Load driver by using the following command:
-
- insmod usb8388.ko [fw_name=usb8388.bin]
-
-=====================
-IWPRIV COMMAND
-=====================
-
-NAME
- This manual describes the usage of private commands used in Marvell WLAN
- Linux Driver. All the commands available in Wlanconfig will not be available
- in the iwpriv.
-
-SYNOPSIS
- iwpriv <ethX> <command> [sub-command] ...
-
- iwpriv ethX setregioncode <n>
- iwpriv ethX getregioncode
-
-Version 5 Command:
- iwpriv ethX ledgpio <n>
-
-BT Commands:
- The blinding table (BT) contains a list of mac addresses that will be,
- by default, ignored by the firmware. It is also possible to invert this
- behavior so that we will ignore all traffic except for the portion
- coming from mac addresess in the list. It is primarily used for
- debugging and testing networks. It can be edited and inspected with
- the following commands:
-
- iwpriv ethX bt_reset
- iwpriv ethX bt_add <mac_address>
- iwpriv ethX bt_del <mac_address>
- iwpriv ethX bt_list <id>
- iwpriv ethX bt_get_invert <n>
- iwpriv ethX bt_set_invert <n>
-
-FWT Commands:
- The forwarding table (FWT) is a feature used to manage mesh network
- routing in the firmware. The FWT is essentially a routing table that
- associates a destination mac address (da) with a next hop receiver
- address (ra). The FWT can be inspected and edited with the following
- iwpriv commands, which are described in greater detail below.
- Eventually, the table will be automatically maintained by a custom
- routing protocol.
-
- NOTE: FWT commands replace the previous DFT commands. What were the DFT
- commands?, you might ask. They were an earlier API to the firmware that
- implemented a simple MAC-layer forwarding mechanism. In the unlikely
- event that you were using these commands, you must migrate to the new
- FWT commands which can be used to achieve the same functionality.
-
- iwpriv ethX fwt_add [parameters]
- iwpriv ethX fwt_del [parameters]
- iwpriv ethX fwt_lookup [parameters]
- iwpriv ethX fwt_list [parameters]
- iwpriv ethX fwt_list_route [parameters]
- iwpriv ethX fwt_list_neigh [parameters]
- iwpriv ethX fwt_reset [parameters]
- iwpriv ethX fwt_cleanup
- iwpriv ethX fwt_time
-
-MESH Commands:
-
- The MESH commands are used to configure various features of the mesh
- routing protocol. The following commands are supported:
-
- iwpriv ethX mesh_get_ttl
- iwpriv ethX mesh_set_ttl ttl
- iwpriv ethX mesh_get_bcastr rate
- iwpriv ethX mesh_set_bcastr rate
- iwpriv ethX get_rreq_delay
- iwpriv ethX set_rreq_delay delay
- iwpriv ethX get_route_exp
- iwpriv ethX set_route_exp time
- iwpriv ethX get_link_costs
- iwpriv ethX set_link_costs "cost54 cost36 cost11 cost1"
-
-DESCRIPTION
- Those commands are used to send additional commands to the Marvell WLAN
- card via the Linux device driver.
-
- The ethX parameter specifies the network device that is to be used to
- perform this command on. it could be eth0, eth1 etc.
-
-setregioncode
- This command is used to set the region code in the station.
- where value is 'region code' for various regions like
- USA FCC, Canada IC, Spain, France, Europe ETSI, Japan ...
-
- Usage:
- iwpriv ethX setregioncode 0x10: set region code to USA (0x10).
-
-getregioncode
- This command is used to get the region code information set in the
- station.
-
-ledgpio
- This command is used to set/get LEDs.
-
- iwpriv ethX ledgpio <LEDs>
- will set the corresponding LED for the GPIO Line.
-
- iwpriv ethX ledgpio
- will give u which LEDs are Enabled.
-
- Usage:
- iwpriv eth1 ledgpio 1 0 2 1 3 4
- will enable
- LED 1 -> GPIO 0
- LED 2 -> GPIO 1
- LED 3 -> GPIO 4
-
- iwpriv eth1 ledgpio
- shows LED information in the format as mentioned above.
-
- Note: LED0 is invalid
- Note: Maximum Number of LEDs are 16.
-
-bcn_control
- This command is used to enable disable beacons. This can also be used
- to set beacon interval.
-
- Usage:
- iwpriv ethX bcn_control [enable] [beacon_interval]
-
- enable: 0 to disable beacon. 1 to enable beacon.
- beacon_interval: 20 - 1000ms.
-
- Examples:
- 1. iwpriv ethX bcn_control
- Returns (x, y), where x if 1, indicates beacon is enabled, y
- beacon period.
- 2. iwpriv ethX bcn_control 0
- Turns off beacon transmission.
- 3. iwpriv ethX bcn_control 1 500
- Enable beacon with beacon interval 500ms.
-
-
-ledbhv
- Command iwpriv mshX ledbhv can be used to change default LEDs behaviors.
- A given LED behavior can be on, off or blinking. The duty/cycle can be set
- when behavior is programmed as blinking.
-
- Usage:
-
- 1. To get default LED behavior
- iwpriv mshX ledbhv <firmware state>
-
- 2. To set or change default LED behavior
- iwpriv mshX ledbhv <firmware state> <lednum> <behavior> <arg>
-
- firmware state: The following are some of the relevant states.
- 00: disconnected
- 01: firmware is scanning
- 02: firmware is connected and awake
- 03: firmware is sleeping
- 04: connected deep sleep
- 06: firmware disconnected link lost
- 07: firmware disconnected disassociated
- 09: data transfer while firmware is associated and not scanning.
- If firmware is already in this state, LED behavior does not change
- on this data transfer.
- 10: firmware idle, not scanning, not disconnected or disassociated.
-
- lednum: 1 or 2 for first and second LED.
-
- behavior: 0 for steady ON, 1 - steady off and 2- blinking.
-
- arg: It is used when behavior is 2 to set duty and cycle. It is defined as
- (duty << 4 | cycle). Here duty could be 0..4 and cycle 0..5 for 34,
- 74, 149, 298, 596, 1192 ms respectively.
-
- Examples:
-
- 1. To get default behavior for scan
- iwpriv mshX ledbhv 1
-
- 2. To get default behavior while data transfer
- iwpriv mshX ledbhv 9
-
- 3. To turn off LED 2
- iwpriv mshX ledbhv 2 2 1 0
- iwpriv mshX ledbhv 10 2 1 0
-
- 4. To enable LED 2 and blink LED 1 while data transfer.
- iwpriv mshX ledbhv 9 2 0 0
- iwpriv mshX ledbhv 9 1 2 4
-
- 5. To change duty cycle of LED 2 during data transfer
- iwpriv mshX ledbhv 9 2 2 36
-
- 6. To turn ON LED 2 when firmware is disassociated/disconnected.
- iwpriv mshX ledbhv 0 2 0 0
-
-
-fwt_add
- This command is used to insert an entry into the FWT table. The list of
- parameters must follow the following structure:
-
- iwpriv ethX fwt_add da ra [metric dir rate ssn dsn hopcount ttl expiration sleepmode snr]
-
- The parameters between brackets are optional, but they must appear in
- the order specified. For example, if you want to specify the metric,
- you must also specify the dir, ssn, and dsn but you need not specify the
- hopcount, expiration, sleepmode, or snr. Any unspecified parameters
- will be assigned the defaults specified below.
-
- The different parameters are:-
- da -- DA MAC address in the form 00:11:22:33:44:55
- ra -- RA MAC address in the form 00:11:22:33:44:55
- metric -- route metric (cost: smaller-metric routes are
- preferred, default is 0)
- dir -- direction (1 for direct, 0 for reverse,
- default is 1)
- rate -- data rate used for transmission to the RA,
- as specified for the rateadapt command,
- default is 3 (11Mbps)
- ssn -- Source Sequence Number (time at the RA for
- reverse routes. Default is 0)
- dsn -- Destination Sequence Number (time at the DA
- for direct routes. Default is 0)
- hopcount -- hop count (currently unused, default is 0)
- ttl -- TTL (Only used in reverse entries)
- expiration -- entry expiration (in ticks, where a tick is
- 1024us, or ~ 1ms. Use 0 for an indefinite
- entry, default is 0)
- sleepmode -- RA's sleep mode (currently unused, default is
- 0)
- snr -- SNR in the link to RA (currently unused,
- default is 0)
-
- The command does not return anything.
-
-fwt_del
- This command is used to remove an entry to the FWT table. The list of
- parameters must follow the following structure:
-
- iwpriv ethX fwt_del da ra [dir]
-
- where the different parameters are:-
- da -- DA MAC address (in the form "00:11:22:33:44:55")
- ra -- RA MAC address (in the form "00:11:22:33:44:55")
- dir -- direction (1 for direct, 0 for reverse,
- default is 1)
-
- The command does not return anything.
-
-fwt_lookup
- This command is used to get the best route in the FWT table to a given
- host. The only parameter is the MAC address of the host that is being
- looked for.
-
- iwpriv ethX fwt_lookup da
-
- where:-
- da -- DA MAC address (in the form "00:11:22:33:44:55")
-
- The command returns an output string identical to the one returned by
- fwt_list described below.
-
-
-fwt_list
- This command is used to list a route from the FWT table. The only
- parameter is the index into the table. If you want to list all the
- routes in a table, start with index=0, and keep listing until you get a
- "(null)" string. Note that the indicies may change as the fwt is
- updated. It is expected that most users will not use fwt_list directly,
- but that a utility similar to the traditional route command will be used
- to invoke fwt_list over and over.
-
- iwpriv ethX fwt_list index
-
- The output is a string of the following form:
-
- da ra valid metric dir rate ssn dsn hopcount ttl expiration
- sleepmode snr precursor
-
- where the different fields are:-
- da -- DA MAC address (in the form "00:11:22:33:44:55")
- ra -- RA MAC address (in the form "00:11:22:33:44:55")
- valid -- whether the route is valid (0 if not valid)
- metric -- route metric (cost: smaller-metric routes are preferred)
- dir -- direction (1 for direct, 0 for reverse)
- rate -- data rate used for transmission to the RA,
- as specified for the rateadapt command
- ssn -- Source Sequence Number (time at the RA for reverse routes)
- dsn -- Destination Sequence Number (time at the DA for direct routes)
- hopcount -- hop count (currently unused)
- ttl -- TTL (only used in reverse entries)
- expiration -- entry expiration (in ticks, where a tick is 1024us, or ~ 1ms. Use 0 for an indefinite entry)
- sleepmode -- RA's sleep mode (currently unused)
- snr -- SNR in the link to RA (currently unused)
- precursor -- predecessor in direct routes
-
-fwt_list_route
- This command is equivalent to fwt_list.
-
-fwt_list_neigh
- This command is used to list a neighbor from the FWT table. The only
- parameter is the neighbor ID. If you want to list all the neighbors in a
- table, start with nid=0, and keep incrementing nid until you get a
- "(null)" string. Note that the nid from a fwt_list_route command can be
- used as an input to this command. Also note that this command is meant
- mostly for debugging. It is expected that users will use fwt_lookup.
- One important reason for this is that the neighbor id may change as the
- neighbor table is altered.
-
- iwpriv ethX fwt_list_neigh nid
-
- The output is a string of the following form:
-
- ra sleepmode snr references
-
- where the different fields are:-
- ra -- RA MAC address (in the form "00:11:22:33:44:55")
- sleepmode -- RA's sleep mode (currently unused)
- snr -- SNR in the link to RA (currently unused)
- references -- RA's reference counter
-
-fwt_reset
- This command is used to reset the FWT table, getting rid of all the
- entries. There are no input parameters.
-
- iwpriv ethX fwt_reset
-
- The command does not return anything.
-
-fwt_cleanup
- This command is used to perform user-based garbage recollection. The
- FWT table is checked, and all the entries that are expired or invalid
- are cleaned. Note that this is exported to the driver for debugging
- purposes, as garbage collection is also fired by the firmware when in
- space problems. There are no input parameters.
-
- iwpriv ethX fwt_cleanup
-
- The command does returns the number of invalid/expired routes deleted.
-
-fwt_time
- This command returns a card's internal time representation. It is this
- time that is used to represent the expiration times of FWT entries. The
- number is not consistent from card to card; it is simply a timer count.
- The fwt_time command is used to inspect the timer so that expiration
- times reported by fwt_list can be properly interpreted.
-
- iwpriv ethX fwt_time
-
-mesh_get_ttl
-
- The mesh ttl is the number of hops a mesh packet can traverse before it
- is dropped. This parameter is used to prevent infinite loops in the
- mesh network. The value returned by this function is the ttl assigned
- to all mesh packets. Currently there is no way to control the ttl on a
- per packet or per socket basis.
-
- iwpriv ethX mesh_get_ttl
-
-mesh_set_ttl ttl
-
- Set the ttl. The argument must be between 0 and 255.
-
- iwpriv ethX mesh_set_ttl <ttl>
-
-mesh_get_bcastr
-
- Shows the rate index used for mesh broadcast and multicast packets.
- Rates are expressed in 2 * Mb/s, ie 11Mb/s is 22, 5.5Mb/s is 11, etc.
-
- iwpriv ethX mesh_get_bcastr rate
-
-mesh_set_bcastr rate
-
- Sets the rate index for mesh broadcast and muticast packets. Rates are
- expressed in expressed in 2 * Mb/s, ie 11Mb/s is 22, 5.5Mb/s is 11, etc.
-
- iwpriv ethX mesh_set_bcastr rate
-
-get_rreq_delay
-
- Shows the delay to forward a RREQ frame. This delay allows the node to
- forward just the best route in case the same RREQ arrives to the node
- through different routes. The argument is shown in 1/100 seconds.
-
- iwpriv ethX get_rreq_delay
-
-set_rreq_delay delay
-
- Sets the RREQ forward delay. The delay is interpreted as 1/100 seconds.
-
- iwpriv ethX set_rreq_delay delay
-
-get_route_exp
-
- Shows the mesh route expiration time, in seconds.
-
- iwpriv ethX get_route_exp
-
-set_route_exp time
-
- Gets the mesh route, expiration time, in seconds.
-
- iwpriv ethX set_route_exp time
-
-get_link_costs
-
- Gets the mesh hop base cost for each used rate. The output gives us the
- base cost for hops at 54Mbps, 36Mbps, 11Mbps and 1Mbps, in that order.
- The base cost gets divided by a battery state factor to get the actual
- cost. A cost of 0 means that rate is deactivated.
-
- iwpriv ethX get_link_costs
-
-set_link_costs "cost54 cost36 cost11 cost1"
-
- Sets the mesh hop base cost for the used speeds. The input parameter
- will specify the cost for hops at 54Mbps, 36Mbps, 11Mbps and 1Mbps, in
- that order. A cost of 0 will disable a specific rate.
-
- iwpriv ethX set_link_costs "cost54 cost36 cost11 cost1"
-
-=========================
-ETHTOOL
-=========================
-
-
-Use the -i option to retrieve version information from the driver.
-
-# ethtool -i eth0
-driver: libertas
-version: COMM-USB8388-318.p4
-firmware-version: 5.110.7
-bus-info:
-
-Use the -e option to read the EEPROM contents of the card.
-
- Usage:
- ethtool -e ethX [raw on|off] [offset N] [length N]
-
- -e retrieves and prints an EEPROM dump for the specified ethernet
- device. When raw is enabled, then it dumps the raw EEPROM data
- to stdout. The length and offset parameters allow dumping cer-
- tain portions of the EEPROM. Default is to dump the entire EEP-
- ROM.
-
-# ethtool -e eth0 offset 0 length 16
-Offset Values
------- ------
-0x0000 38 33 30 58 00 00 34 f4 00 00 10 00 00 c4 17 00
-
-========================
-DEBUGFS COMMANDS
-========================
-
-those commands are used via debugfs interface
-
-===========
-rdmac
-rdbbp
-rdrf
- These commands are used to read the MAC, BBP and RF registers from the
- card. These commands take one parameter that specifies the offset
- location that is to be read. This parameter must be specified in
- hexadecimal (its possible to preceed preceding the number with a "0x").
-
- Path: /debugfs/libertas_wireless/ethX/registers/
-
- Usage:
- echo "0xa123" > rdmac ; cat rdmac
- echo "0xa123" > rdbbp ; cat rdbbp
- echo "0xa123" > rdrf ; cat rdrf
-wrmac
-wrbbp
-wrrf
- These commands are used to write the MAC, BBP and RF registers in the
- card. These commands take two parameters that specify the offset
- location and the value that is to be written. This parameters must
- be specified in hexadecimal (its possible to preceed the number
- with a "0x").
-
- Usage:
- echo "0xa123 0xaa" > wrmac
- echo "0xa123 0xaa" > wrbbp
- echo "0xa123 0xaa" > wrrf
-
-sleepparams
- This command is used to set the sleepclock configurations
-
- Path: /debugfs/libertas_wireless/ethX/
-
- Usage:
- cat sleepparams: reads the current sleepclock configuration
-
- echo "p1 p2 p3 p4 p5 p6" > sleepparams: writes the sleepclock configuration.
-
- where:
- p1 is Sleep clock error in ppm (0-65535)
- p2 is Wakeup offset in usec (0-65535)
- p3 is Clock stabilization time in usec (0-65535)
- p4 is Control periodic calibration (0-2)
- p5 is Control the use of external sleep clock (0-2)
- p6 is reserved for debug (0-65535)
-
-subscribed_events
-
- The subscribed_events directory contains the interface for the
- subscribed events API.
-
- Path: /debugfs/libertas_wireless/ethX/subscribed_events/
-
- Each event is represented by a filename. Each filename consists of the
- following three fields:
- Value Frequency Subscribed
-
- To read the current values for a given event, do:
- cat event
- To set the current values, do:
- echo "60 2 1" > event
-
- Frequency field specifies the reporting frequency for this event.
- If it is set to 0, then the event is reported only once, and then
- automatically unsubscribed. If it is set to 1, then the event is
- reported every time it occurs. If it is set to N, then the event is
- reported every Nth time it occurs.
-
- beacon_missed
- Value field specifies the number of consecutive missing beacons which
- triggers the LINK_LOSS event. This event is generated only once after
- which the firmware resets its state. At initialization, the LINK_LOSS
- event is subscribed by default. The default value of MissedBeacons is
- 60.
-
- failure_count
- Value field specifies the consecutive failure count threshold which
- triggers the generation of the MAX_FAIL event. Once this event is
- generated, the consecutive failure count is reset to 0.
- At initialization, the MAX_FAIL event is NOT subscribed by
- default.
-
- high_rssi
- This event is generated when the average received RSSI in beacons goes
- above a threshold, specified by Value.
-
- low_rssi
- This event is generated when the average received RSSI in beacons goes
- below a threshold, specified by Value.
-
- high_snr
- This event is generated when the average received SNR in beacons goes
- above a threshold, specified by Value.
-
- low_snr
- This event is generated when the average received SNR in beacons goes
- below a threshold, specified by Value.
-
-extscan
- This command is used to do a specific scan.
-
- Path: /debugfs/libertas_wireless/ethX/
-
- Usage: echo "SSID" > extscan
-
- Example:
- echo "LINKSYS-AP" > extscan
-
- To see the results of use getscantable command.
-
-getscantable
-
- Display the current contents of the driver scan table (ie. get the
- scan results).
-
- Path: /debugfs/libertas_wireless/ethX/
-
- Usage:
- cat getscantable
-
-setuserscan
- Initiate a customized scan and retrieve the results
-
-
- Path: /debugfs/libertas_wireless/ethX/
-
- Usage:
- echo "[ARGS]" > setuserscan
-
- where [ARGS]:
-
- bssid=xx:xx:xx:xx:xx:xx specify a BSSID filter for the scan
- ssid="[SSID]" specify a SSID filter for the scan
- keep=[0 or 1] keep the previous scan results (1), discard (0)
- dur=[scan time] time to scan for each channel in milliseconds
- type=[1,2,3] BSS type: 1 (Infra), 2(Adhoc), 3(Any)
-
- Any combination of the above arguments can be supplied on the command
- line. If dur tokens are absent, the driver default setting will be used.
- The bssid and ssid fields, if blank, will produce an unfiltered scan.
- The type field will default to 3 (Any) and the keep field will default
- to 0 (Discard).
-
- Examples:
- 1) Perform a passive scan on all channels for 20 ms per channel:
- echo "dur=20" > setuserscan
-
- 2) Perform an active scan for a specific SSID:
- echo "ssid="TestAP"" > setuserscan
-
- 3) Scan all available channels (B/G, A bands) for a specific BSSID, keep
- the current scan table intact, update existing or append new scan data:
- echo "bssid=00:50:43:20:12:82 keep=1" > setuserscan
-
- 4) Scan for all infrastructure networks.
- Keep the previous scan table intact. Update any duplicate BSSID/SSID
- matches with the new scan data:
- echo "type=1 keep=1" > setuserscan
-
- All entries in the scan table (not just the new scan data when keep=1)
- will be displayed upon completion by use of the getscantable ioctl.
-
-==============================================================================