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Re: [ArchLinuxVn] VAIO wifi ngặt nghèo thiệt



Vào 16:18:01 UTC+7 Thứ năm, ngày 28 tháng mười một năm 2013, phan tan phu đã viết:
> Bác gõ ip link để biết tên card wifi, thường là wlxxx.
> ---

[[email protected] skell]# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp14s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
    link/ether 30:f9:ed:a3:15:f3 brd ff:ff:ff:ff:ff:ff
[[email protected] skell]# iwconfig
enp14s0   no wireless extensions.

lo        no wireless extensions.

Xem file kèm theo "iw_scan_output.txt". Có vẻ như SONY chưa được hỗ trơ nhiều về mục wifi nên kiếm trong ndiswrapper cũng vắng bóng luôn.
Usage:	iw [options] command
Options:
	--debug		enable netlink debugging
	--version	show version (3.11)
Commands:
	help [command]
		Print usage for all or a specific command, e.g.
		"help wowlan" or "help wowlan enable".

	event [-t] [-r] [-f]
		Monitor events from the kernel.
		-t - print timestamp
		-r - print relative timstamp
		-f - print full frame for auth/assoc etc.

	features 
		

	commands
		list all known commands and their decimal & hex value

	phy
	list
		List all wireless devices and their capabilities.

	phy <phyname> info
		Show capabilities for the specified wireless device.

	dev
		List all network interfaces for wireless hardware.

	dev <devname> info
		Show information for this interface.

	dev <devname> del
		Remove this virtual interface

	dev <devname> interface add <name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*]
	phy <phyname> interface add <name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*]
		Add a new virtual interface with the given configuration.
		Valid interface types are: managed, ibss, monitor, mesh, wds.
		
		The flags are only used for monitor interfaces, valid flags are:
		none:     no special flags
		fcsfail:  show frames with FCS errors
		control:  show control frames
		otherbss: show frames from other BSSes
		cook:     use cooked mode
		active:   use active mode (ACK incoming unicast packets)
		
		The mesh_id is used only for mesh mode.

	dev <devname> ibss join <SSID> <freq in MHz> [HT20|HT40+|HT40-|NOHT] [fixed-freq] [<fixed bssid>] [beacon-interval <TU>] [basic-rates <rate in Mbps,rate2,...>] [mcast-rate <rate in Mbps>] [key d:0:abcde]
		Join the IBSS cell with the given SSID, if it doesn't exist create
		it on the given frequency. When fixed frequency is requested, don't
		join/create a cell on a different frequency. When a fixed BSSID is
		requested use that BSSID and do not adopt another cell's BSSID even
		if it has higher TSF and the same SSID. If an IBSS is created, create
		it with the specified basic-rates, multicast-rate and beacon-interval.

	dev <devname> ibss leave
		Leave the current IBSS cell.

	dev <devname> station dump
		List all stations known, e.g. the AP on managed interfaces

	dev <devname> station set <MAC address> mesh_power_mode <active|light|deep>
		Set link-specific mesh power mode for this station

	dev <devname> station set <MAC address> vlan <ifindex>
		Set an AP VLAN for this station.

	dev <devname> station set <MAC address> plink_action <open|block>
		Set mesh peer link action for this station (peer).

	dev <devname> station del <MAC address>
		Remove the given station entry (use with caution!)

	dev <devname> station get <MAC address>
		Get information for a specific station.

	dev <devname> survey dump
		List all gathered channel survey data

	dev <devname> mesh leave
		Leave a mesh.

	dev <devname> mesh join <mesh ID> [mcast-rate <rate in Mbps>] [beacon-interval <time in TUs>] [dtim-period <value>] [vendor_sync on|off] [<param>=<value>]*
		Join a mesh with the given mesh ID with mcast-rate and mesh parameters.

	dev <devname> mpath dump
		List known mesh paths.

	dev <devname> mpath set <destination MAC address> next_hop <next hop MAC address>
		Set an existing mesh path's next hop.

	dev <devname> mpath new <destination MAC address> next_hop <next hop MAC address>
		Create a new mesh path (instead of relying on automatic discovery).

	dev <devname> mpath del <MAC address>
		Remove the mesh path to the given node.

	dev <devname> mpath get <MAC address>
		Get information on mesh path to the given node.

	dev <devname> scan [-u] [freq <freq>*] [ies <hex as 00:11:..>] [meshid <meshid>] [lowpri,flush,ap-force] [ssid <ssid>*|passive]
		Scan on the given frequencies and probe for the given SSIDs
		(or wildcard if not given) unless passive scanning is requested.
		If -u is specified print unknown data in the scan results.
		Specified (vendor) IEs must be well-formed.

	dev <devname> scan trigger [freq <freq>*] [ies <hex as 00:11:..>] [meshid <meshid>] [lowpri,flush,ap-force] [ssid <ssid>*|passive]
		Trigger a scan on the given frequencies with probing for the given
		SSIDs (or wildcard if not given) unless passive scanning is requested.

	dev <devname> scan dump [-u]
		Dump the current scan results. If -u is specified, print unknown
		data in scan results.

	reg get
		Print out the kernel's current regulatory domain information.

	reg set <ISO/IEC 3166-1 alpha2>
		Notify the kernel about the current regulatory domain.

	dev <devname> auth <SSID> <bssid> <type:open|shared> <freq in MHz> [key 0:abcde d:1:6162636465]
		Authenticate with the given network.
		

	dev <devname> connect [-w] <SSID> [<freq in MHz>] [<bssid>] [key 0:abcde d:1:6162636465]
		Join the network with the given SSID (and frequency, BSSID).
		With -w, wait for the connect to finish or fail.

	dev <devname> disconnect
		Disconnect from the current network.

	dev <devname> link
		Print information about the current link, if any.

	dev <devname> offchannel <freq> <duration>
		Leave operating channel and go to the given channel for a while.

	dev <devname> cqm rssi <threshold|off> [<hysteresis>]
		Set connection quality monitor RSSI threshold.
		

	phy <phyname> wowlan show 
		Show WoWLAN status.

	phy <phyname> wowlan disable 
		Disable WoWLAN.

	phy <phyname> wowlan enable [any] [disconnect] [magic-packet] [gtk-rekey-failure] [eap-identity-request] [4way-handshake] [rfkill-release] [tcp <config-file>] [patterns [offset1+]<pattern1> ...]
		Enable WoWLAN with the given triggers.
		Each pattern is given as a bytestring with '-' in places where any byte
		may be present, e.g. 00:11:22:-:44 will match 00:11:22:33:44 and
		00:11:22:33:ff:44 etc.
		Offset and pattern should be separated by '+', e.g. 18+43:34:00:12 will match '43:34:00:12' after 18 bytes of offset in Rx packet.
		
		The TCP configuration file contains:
		  source=ip[:port]
		  dest=ip:[email protected]
		  data=<hex data packet>
		  data.interval=seconds
		  [wake=<hex packet with masked out bytes indicated by '-'>]
		  [data.seq=len,offset[,start]]
		  [data.tok=len,offset,<token stream>]

	phy <phyname> coalesce show 
		Show coalesce status.

	phy <phyname> coalesce disable 
		Disable coalesce.

	phy <phyname> coalesce enable <config-file>
		Enable coalesce with given configuration.
		The configuration file contains coalesce rules:
		  delay=<delay>
		  condition=<condition>
		  patterns=<[offset1+]<pattern1>,<[offset2+]<pattern2>,...>
		  delay=<delay>
		  condition=<condition>
		  patterns=<[offset1+]<pattern1>,<[offset2+]<pattern2>,...>
		  ...
		delay: maximum coalescing delay in msec.
		condition: 1/0 i.e. 'not match'/'match' the patterns
		patterns: each pattern is given as a bytestring with '-' in
		places where any byte may be present, e.g. 00:11:22:-:44 will
		match 00:11:22:33:44 and 00:11:22:33:ff:44 etc. Offset and
		pattern should be separated by '+', e.g. 18+43:34:00:12 will
		match '43:34:00:12' after 18 bytes of offset in Rx packet.
		

	dev <devname> roc start <freq> <time in ms>
		

	wdev <idx> p2p stop 
		

	wdev <idx> p2p start 
		

	phy <phyname> set antenna <bitmap> | all | <tx bitmap> <rx bitmap>
		Set a bitmap of allowed antennas to use for TX and RX.
		The driver may reject antenna configurations it cannot support.

	dev <devname> set txpower <auto|fixed|limit> [<tx power in mBm>]
		Specify transmit power level and setting type.

	phy <phyname> set txpower <auto|fixed|limit> [<tx power in mBm>]
		Specify transmit power level and setting type.

	phy <phyname> set distance <distance>
		Set appropriate coverage class for given link distance in meters.
		Valid values: 0 - 114750

	phy <phyname> set coverage <coverage class>
		Set coverage class (1 for every 3 usec of air propagation time).
		Valid values: 0 - 255.

	phy <phyname> set netns <pid>
		Put this wireless device into a different network namespace

	phy <phyname> set rts <rts threshold|off>
		Set rts threshold.

	phy <phyname> set frag <fragmentation threshold|off>
		Set fragmentation threshold.

	dev <devname> set channel <channel> [HT20|HT40+|HT40-]
	phy <phyname> set channel <channel> [HT20|HT40+|HT40-]
	dev <devname> set freq <freq> [HT20|HT40+|HT40-]
	dev <devname> set freq <control freq> [20|40|80|80+80|160] [<center freq 1>] [<center freq 2>]
	phy <phyname> set freq <freq> [HT20|HT40+|HT40-]
		Set frequency/channel the hardware is using, including HT
		configuration.

	phy <phyname> set name <new name>
		Rename this wireless device.

	dev <devname> set mcast_rate <rate in Mbps>
		Set the multicast bitrate.

	dev <devname> set peer <MAC address>
		Set interface WDS peer.

	dev <devname> set noack_map <map>
		Set the NoAck map for the TIDs. (0x0009 = BE, 0x0006 = BK, 0x0030 = VI, 0x00C0 = VO)

	dev <devname> set 4addr <on|off>
		Set interface 4addr (WDS) mode.

	dev <devname> set type <type>
		Set interface type/mode.
		Valid interface types are: managed, ibss, monitor, mesh, wds.

	dev <devname> set meshid <meshid>
	dev <devname> set monitor <flag>*
		Set monitor flags. Valid flags are:
		none:     no special flags
		fcsfail:  show frames with FCS errors
		control:  show control frames
		otherbss: show frames from other BSSes
		cook:     use cooked mode
		active:   use active mode (ACK incoming unicast packets)

	dev <devname> set mesh_param <param>=<value> [<param>=<value>]*
		Set mesh parameter (run command without any to see available ones).

	dev <devname> set power_save <on|off>
		Set power save state to on or off.

	dev <devname> set bitrates [legacy-<2.4|5> <legacy rate in Mbps>*] [mcs-<2.4|5> <MCS index>*]
		Sets up the specified rate masks.
		Not passing any arguments would clear the existing mask (if any).

	dev <devname> get mesh_param [<param>]
		Retrieve mesh parameter (run command without any to see available ones).

	dev <devname> get power_save <param>
		Retrieve power save state.


Commands that use the netdev ('dev') can also be given the
'wdev' instead to identify the device.

You can omit the 'phy' or 'dev' if the identification is unique,
e.g. "iw wlan0 info" or "iw phy0 info". (Don't when scripting.)

Do NOT screenscrape this tool, we don't consider its output stable.