Reference Manual

Redpine Signals, Inc. Proprietary and Confidential Page 37
RS9116 n-Link Linux and Android
Technical Reference Manual
Version 2.0
5 Wi-Fi ioctl Usage Guide
This section explains about the usage of various ioctl commands present in the OneBox-Mobile driver. The user has
control over multiple settings such as device settings, radio, aggregation, fragmentation thresholds, power save
configurations and so on.
5.1 Configuring using Wireless Extensions
iwconfig" is a generic Linux based wireless tool which is used for setting parameters for a wireless network interface. It
may be used in lieu of the Wi-Fi supplicant provided as a part of the OneBox-Mobile software. However, care has to be
taken to follow the correct sequence of commands while using "iwconfig". The Redpine Signals recommends usage of the
supplicant provided in the software package.
This section describes the usage of "iwconfig" in conjunction with the Onebox-Mobile driver. For a detailed description of
the tool, refer to the relevant main pages in Linux.
"iwconfig" only works when the driver is operating in the 'BSD' mode.
The details of the Access Point for which the n-Link® is connected in the Client mode can be viewed by using the given
below command.
# iwconfig <vap_name>
The table below describes the usage of the command in more detail.
Set Channel/Frequency (only in Monitor mode)
Description
This command is used to set the Channel for the n-Link® module.
Default value
1
Input
Parameters
VAP Name (string like wifi0, wifi1, etc.)
Channel number
Output
Parameter
None
Reset
required
No
Usage
# iwconfig <vap_name> freq <channel_no>
(OR)
# iwconfig <vap_name> channel <channel_no>
Example
# iwconfig wifi0 freq 6
(OR)
# iwconfig wifi0 channel 6
Set Data Transmit Rate
Description
This command is used to set the data rate for transmission.
Default value
0 (Auto Rate)
Input
Parameters
VAP Name (string like wifi0, wifi1, etc.)
Integer value as per the mapping below:
Auto Rate – 0
1 Mbps – 2
2 Mbps – 4
5.5 Mbps – 11
11 Mbps – 22