Manual: hciconfig

hciconfig(1) Linux System Administration hciconfig(1)

Name
hciconfig - Configure Bluetooth devices

SYNOPSIS
hciconfig -h

hciconfig [-a]

hciconfig [-a] hciX [COMMAND [PARAMETERS]]

DESCRIPTION
hciconfig(1) is used to configure Bluetooth devices. hciX is the name of a Bluetooth device installed in the system.
If hciX is not given, hciconfig prints name and basic information about all the Bluetooth devices installed in the
system.

If hciX is given but no command is given, it prints basic information on device hciX only. Basic information is in‐
terface type, BD address, ACL MTU, SCO MTU, flags (up, init, running, raw, page scan enabled, inquiry scan enabled,
inquiry, authentication enabled, encryption enabled).

OPTIONS
-a, --all
Print features, packet type, link policy, link mode, class, Version other than the basic info.

-h, --help
Show help options

COMMANDS
up Open and initialize HCI device.

down Close HCI device.

reset Reset HCI device.

rstat Reset statistic counters.

auth Enable authentication (sets device to security mode 3).

noauth Disable authentication.

encrypt
Enable encryption (sets device to security mode 3).

noencrypt
Disable encryption.

secmgr Enable security manager (current kernel support is limited).

nosecmgr
Disable security manager.

piscan Enable page and inquiry scan.

noscan Disable page and inquiry scan.

iscan Enable inquiry scan, disable page scan.

pscan Enable page scan, disable inquiry scan.

ptype [type]
With no type , displays the current packet types. Otherwise, all the packet types specified by type are set.
type is a comma-separated list of packet types, where the possible packet types are DM1, DM3, DM5, DH1, DH3,
DH5, HV1, HV2, HV3.

name [name]
With no name, prints local name. Otherwise, sets local name to name.

class [class]
With no class, prints class of device. Otherwise, sets class of device to class. class is a 24-bit hex number
describing the class of device, as specified in section 1.2 of the Bluetooth Assigned Numbers document.

voice [voice]
With no voice, prints voice setting. Otherwise, sets voice setting to voice. voice is a 16-bit hex number de‐
scribing the voice setting.

iac [iac]
With no iac, prints the current IAC setting. Otherwise, sets the IAC to iac.

inqtpl [level]
With no level, prints out the current inquiry transmit power level. Otherwise, sets inquiry transmit power
level to level.

inqmode [mode]
With no mode, prints out the current inquiry mode. Otherwise, sets inquiry mode to mode.
┌──────┬───────────────────────────────────────┐
│ mode │ Description │
├──────┼───────────────────────────────────────┤
│ 0 │ Standard Inquiry │
├──────┼───────────────────────────────────────┤
│ 1 │ Inquiry with RSSI │
├──────┼───────────────────────────────────────┤
│ 2 │ Inquiry with RSSI or Extended Inquiry │
└──────┴───────────────────────────────────────┘

inqdata [data]
With no data, prints out the current inquiry data. Otherwise, sets inquiry data to data.

inqtype [type]
With no type, prints out the current inquiry scan type. Otherwise, sets inquiry scan type to type.

inqparams [win:int]
With no win:int, prints inquiry scan window and interval. Otherwise, sets inquiry scan window to win slots
and inquiry scan interval to int slots.

pageparms [win:int]
With no win:int, prints page scan window and interval. Otherwise, sets page scan window to win slots and page
scan interval to int slots.

pageto [to]
With no to, prints page timeout. Otherwise, sets page timeout to to slots.

afhmode [mode]
With no mode, prints out the current AFH mode. Otherwise, sets AFH mode to mode.
┌──────┬─────────────┐
│ mode │ Description │
├──────┼─────────────┤
│ 0 │ Enable │
├──────┼─────────────┤
│ 1 │ Disable │
└──────┴─────────────┘

sspmode [mode]
With no mode, prints out the current Simple Pairing mode. Otherwise, sets Simple Pairing mode to mode.
┌──────┬─────────────┐
│ mode │ Description │
├──────┼─────────────┤
│ 0 │ Enable │
├──────┼─────────────┤
│ 1 │ Disable │
└──────┴─────────────┘

aclmtu mtu:pkt
Sets ACL MTU to mtu bytes and ACL buffer size to pkt packets.

scomtu mtu:pkt
Sets SCO MTU to mtu bytes and SCO buffer size to pkt packets.

delkey
This command deletes the stored link key for bdaddr from the device.

oobdata
Get local OOB data (invalidates previously read data).

commands
Display supported commands.

features
Display device features.

version
Display version information.

revision
Display revision information.

lm [mode]
With no mode, prints link mode. CENTRAL or PERIPHERAL mean, respectively, to ask to become central or to re‐
main peripheral when a connection request comes in. The additional keyword ACCEPT means that baseband connec‐
tions will be accepted even if there are no listening AF_BLUETOOTH sockets. mode is NONE or a comma-separated
list of keywords, where possible keywords are CENTRAL and ACCEPT. NONE sets link policy to the default behav‐
iour of remaining peripheral and not accepting baseband connections when there are no listening AF_BLUETOOTH
sockets. If CENTRAL is present, the device will ask to become central if a connection request comes in. If
ACCEPT is present, the device will accept baseband connections even when there are no listening AF_BLUETOOTH
sockets.

block
Add a device to the reject list

unblock
Remove a device from the reject list

lerandaddr
Set LE Random Address

leadv [type]
Enable LE Advertising.
┌──────┬───────────────────────────────────────────┐
│ type │ Description │
├──────┼───────────────────────────────────────────┤
│ 0 │ Connectable undirected advertising (de‐ │
│ │ fault) │
├──────┼───────────────────────────────────────────┤
│ 3 │ Non connectable undirected advertising │
└──────┴───────────────────────────────────────────┘

noleadv
Disable LE Advertising

lestates
Display the supported LE states

RESOURCES

REPORTING BUGS

Author
Maxim Krasnyansky , Marcel Holtmann , Fabrizio Gennari

BlueZ Nov 11, 2002 hciconfig(1)

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