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Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/README')
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/README | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/README b/drivers/net/wireless/marvell/mwifiex/README new file mode 100644 index 000000000..5e39248b7 --- /dev/null +++ b/drivers/net/wireless/marvell/mwifiex/README @@ -0,0 +1,274 @@ +# +# Copyright 2011-2020 NXP +# +# This software file (the "File") is distributed by NXP +# 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 by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the +# worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.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. + + +=============================================================================== + U S E R M A N U A L + +1) FOR DRIVER INSTALL + + a) Copy sd8787.bin to /lib/firmware/mrvl/ directory, + create the directory if it doesn't exist. + b) Install WLAN driver, + insmod mwifiex.ko + c) Uninstall WLAN driver, + ifconfig mlanX down + rmmod mwifiex + + +2) FOR DRIVER CONFIGURATION AND INFO + The configurations can be done either using the 'iw' user space + utility or debugfs. + + a) 'iw' utility commands + + Following are some useful iw commands:- + +iw dev mlan0 scan + + This command will trigger a scan. + The command will then display the scan table entries + +iw dev mlan0 connect -w <SSID> [<freq in MHz>] [<bssid>] [key 0:abcde d:1123456789a] + The above command can be used to connect to an AP with a particular SSID. + Ap's operating frequency can be specified or even the bssid. If the AP is using + WEP encryption, wep keys can be specified in the command. + Note: Every time before connecting to an AP scan command (iw dev mlan0 scan) should be used by user. + +iw dev mlan0 disconnect + This command will be used to disconnect from an AP. + + +iw dev mlan0 ibss join <SSID> <freq in MHz> [fixed-freq] [fixed-bssid] [key 0:abcde] + The command will be used to join or create an ibss. Optionally, operating frequency, + bssid and the security related parameters can be specified while joining/creating + and ibss. + +iw dev mlan0 ibss leave + The command will be used to leave an ibss network. + +iw dev mlan0 link + The command will be used to get the connection status. The command will return parameters + such as SSID, operating frequency, rx/tx packets, signal strength, tx bitrate. + + Apart from the iw utility all standard configurations using the 'iwconfig' utility are also supported. + + b) Debugfs interface + + The debugfs interface can be used for configurations and for getting + some useful information from the driver. + The section below explains the configurations that can be + done. + + Mount debugfs to /debugfs mount point: + + mkdir /debugfs + mount -t debugfs debugfs /debugfs + + The information is provided in /debugfs/mwifiex/mlanX/: + +iw reg set <country code> + The command will be used to change the regulatory domain. + +iw reg get + The command will be used to get current regulatory domain. + +info + This command is used to get driver info. + + Usage: + cat info + + driver_name = "mwifiex" + driver_version = <driver_name, driver_version, (firmware_version)> + interface_name = "mlanX" + bss_mode = "Ad-hoc" | "Managed" | "Auto" | "Unknown" + media_state = "Disconnected" | "Connected" + mac_address = <6-byte adapter MAC address> + multicase_count = <multicast address count> + essid = <current SSID> + bssid = <current BSSID> + channel = <current channel> + region_code = <current region code> + multicasr_address[n] = <multicast address> + num_tx_bytes = <number of bytes sent to device> + num_rx_bytes = <number of bytes received from device and sent to kernel> + num_tx_pkts = <number of packets sent to device> + num_rx_pkts = <number of packets received from device and sent to kernel> + num_tx_pkts_dropped = <number of Tx packets dropped by driver> + num_rx_pkts_dropped = <number of Rx packets dropped by driver> + num_tx_pkts_err = <number of Tx packets failed to send to device> + num_rx_pkts_err = <number of Rx packets failed to receive from device> + carrier "on" | "off" + tx queue "stopped" | "started" + + The following debug info are provided in /debugfs/mwifiex/mlanX/debug: + + int_counter = <interrupt count, cleared when interrupt handled> + wmm_ac_vo = <number of packets sent to device from WMM AcVo queue> + wmm_ac_vi = <number of packets sent to device from WMM AcVi queue> + wmm_ac_be = <number of packets sent to device from WMM AcBE queue> + wmm_ac_bk = <number of packets sent to device from WMM AcBK queue> + tx_buf_size = <current Tx buffer size> + curr_tx_buf_size = <current Tx buffer size> + ps_mode = <0/1, CAM mode/PS mode> + ps_state = <0/1/2/3, full power state/awake state/pre-sleep state/sleep state> + is_deep_sleep = <0/1, not deep sleep state/deep sleep state> + wakeup_dev_req = <0/1, wakeup device not required/required> + wakeup_tries = <wakeup device count, cleared when device awake> + hs_configured = <0/1, host sleep not configured/configured> + hs_activated = <0/1, extended host sleep not activated/activated> + num_tx_timeout = <number of Tx timeout> + is_cmd_timedout = <0/1 command timeout not occurred/occurred> + timeout_cmd_id = <command id of the last timeout command> + timeout_cmd_act = <command action of the last timeout command> + last_cmd_id = <command id of the last several commands sent to device> + last_cmd_act = <command action of the last several commands sent to device> + last_cmd_index = <0 based last command index> + last_cmd_resp_id = <command id of the last several command responses received from device> + last_cmd_resp_index = <0 based last command response index> + last_event = <event id of the last several events received from device> + last_event_index = <0 based last event index> + num_cmd_h2c_fail = <number of commands failed to send to device> + num_cmd_sleep_cfm_fail = <number of sleep confirm failed to send to device> + num_tx_h2c_fail = <number of data packets failed to send to device> + num_evt_deauth = <number of deauthenticated events received from device> + num_evt_disassoc = <number of disassociated events received from device> + num_evt_link_lost = <number of link lost events received from device> + num_cmd_deauth = <number of deauthenticate commands sent to device> + num_cmd_assoc_ok = <number of associate commands with success return> + num_cmd_assoc_fail = <number of associate commands with failure return> + cmd_sent = <0/1, send command resources available/sending command to device> + data_sent = <0/1, send data resources available/sending data to device> + mp_rd_bitmap = <SDIO multi-port read bitmap> + mp_wr_bitmap = <SDIO multi-port write bitmap> + cmd_resp_received = <0/1, no cmd response to process/response received and yet to process> + event_received = <0/1, no event to process/event received and yet to process> + cmd_pending = <number of cmd pending> + tx_pending = <number of Tx packet pending> + rx_pending = <number of Rx packet pending> + + +3) FOR DRIVER CONFIGURATION + +regrdwr + This command is used to read/write the adapter register. + + Usage: + echo " <type> <offset> [value]" > regrdwr + cat regrdwr + + where the parameters are, + <type>: 1:MAC/SOC, 2:BBP, 3:RF, 4:PMIC, 5:CAU + <offset>: offset of register + [value]: value to be written + + Examples: + echo "1 0xa060" > regrdwr : Read the MAC register + echo "1 0xa060 0x12" > regrdwr : Write the MAC register + echo "1 0xa794 0x80000000" > regrdwr + : Write 0x80000000 to MAC register + +memrw + This command is used to read/write the firmware memory. + + Usage: + 1) For reading firmware memory location. + echo r <address> 0 > /sys/kernel/debug/mwifiex/mlan0/memrw + cat /sys/kernel/debug/mwifiex/mlan0/memrw + 2) For writing value to firmware memory location. + echo w <address> [value] > /sys/kernel/debug/mwifiex/mlan0/memrw + + where the parameters are, + <address>: memory address + [value]: value to be written + + Examples: + echo r 0x4cf70 0 > /sys/kernel/debug/mwifiex/mlan0/memrw + cat /sys/kernel/debug/mwifiex/mlan0/memrw + : Read memory address 0x4cf70 + iwpriv mlan0 memrdwr -0x7fff6000 -0x40000000 + echo w 0x8000a000 0xc0000000 > /sys/kernel/debug/mwifiex/mlan0/memrw + : Write 0xc0000000 to memory address 0x8000a000 + +rdeeprom + This command is used to read the EEPROM contents of the card. + + Usage: + echo "<offset> <length>" > rdeeprom + cat rdeeprom + + where the parameters are, + <offset>: multiples of 4 + <length>: 4-20, multiples of 4 + + Example: + echo "0 20" > rdeeprom : Read 20 bytes of EEPROM data from offset 0 + +hscfg + This command is used to debug/simulate host sleep feature using + different configuration parameters. + + Usage: + echo "<condition> [GPIO# [gap]]]" > hscfg + cat hscfg + + where the parameters are, + <condition>: bit 0 = 1 -- broadcast data + bit 1 = 1 -- unicast data + bit 2 = 1 -- mac event + bit 3 = 1 -- multicast data + [GPIO#]: pin number of GPIO used to wakeup the host. + GPIO pin# (e.g. 0-7) or 0xff (interface, e.g. SDIO + will be used instead). + [gap]: the gap in milliseconds between wakeup signal and + wakeup event or 0xff for special setting (host + acknowledge required) when GPIO is used to wakeup host. + + Examples: + echo "-1" > hscfg : Cancel host sleep mode + echo "3" > hscfg : Broadcast and unicast data; + Use GPIO and gap set previously + echo "2 3" > hscfg : Unicast data and GPIO 3; + Use gap set previously + echo "2 1 160" > hscfg : Unicast data, GPIO 1 and gap 160 ms + echo "2 1 0xff" > hscfg : Unicast data, GPIO 1; Wait for host + to ack before sending wakeup event + +getlog + This command is used to get the statistics available in the station. + Usage: + + cat getlog + +device_dump + This command is used to dump driver information and firmware memory + segments. + Usage: + + cat fw_dump + +verext + This command is used to get extended firmware version string using + different configuration parameters. + + Usage: + echo "[version_str_sel]" > verext + cat verext + + [version_str_sel]: firmware support several extend version + string cases, include 0/1/10/20/21/99 +=============================================================================== |