The
utility uses L2CAP
ECHO_REQUEST
datagram to elicit an L2CAP
ECHO_RESPONSE
datagram from a remote device.
The options are as follows:
-a remote
Specify the remote device to ping.
The remote device can be specified by either its BD_ADDR or name.
If name was specified then the
utility will attempt to resolve the name via
bt_gethostbyname3.
-c count
Number of packets to send.
If this option is not specified,
will operate until interrupted.
-f
``Flood''
ping, i.e., no delay between packets.
-h
Display usage message and exit.
-i wait
Wait
wait
seconds between sending each packet.
The default is to wait for one second between each packet.
This option is ignored if
-f
has been specified.
-n
Numeric output only.
No attempt will be made to look up symbolic names for host addresses.
-S source
Specify the local device which should be used to send L2CAP
ECHO_REQUEST
datagrams.
The local device can be specified by either its BD_ADDR or name.
If name was specified then the
utility will attempt to resolve the name via
bt_gethostbyname3.
-s size
Specify the number of payload bytes to be sent.
The default size is 44 bytes.
It is calculated as minimum L2CAP MTU (48 bytes) minus the size of the L2CAP
signalling command header (4 bytes).
The maximum size is 65531 bytes.
Is is calculated as maximum L2CAP MTU
(65535 bytes) minus four bytes of payload reserved for
internal use.
Use this option with caution.
Some implementations may not like large sizes and may hang or even crash.
