Re: [PATCH 14/39] i2400m: documentation and instructions for usage

Johannes Berg
2008-11-27T10:02:18Z

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On Wed, 2008-11-26 at 15:07 -0800, Inaky Perez-Gonzalez wrote:

> +$ cp FIRMWAREFILE.sbcf /lib/firmware/i2400m-fw-BUSTYPE-1.3.sbcf
> +
> + * NOTE: if your firmware came in an .rpm or .deb file, just install
> + it as normal, with the rpm (rpm -i FIRMWARE.rpm) or dpkg
> + (dpkg -i FIRMWARE.deb) commands. No further action is needed.
> + * BUSTYPE will be usb or sdio, depending on the hardware you have.
> + Each hardware type comes with its own firmware and will not work
> + with other types.

Can that be put into the firmware tree David Woodhouse maintains?

> +Controlling the device through sysfs
> +
> + sysfs files to control the device behaviour are located in the
> + per-device directories /sys/class/net/wmxX*:
> +
> +$ cd /sys/class/net/wmx0
> +$ ls -1 wimax/* i2400m*
> +i2400m_debug
> +i2400m_debug_levels
> +i2400m_reset_cold
> +i2400m_reset_warm
> +i2400m_rx_stats
> +i2400m_suspend
> +i2400m_trace_msg_from_user
> +i2400m_tx_stats
> +i2400m_usb_debug_levels
> +wimax/debug_levels
> +wimax/gnl_family_id
> +wimax/gnl_version

Are any of those actually needed for normal operation, and cannot be in
debugfs instead?

> +RX and TX statistics
> +
> + This file provides with statistics about the data reception from the
> + device:
> +
> +$ cat /sys/class/net/wmx0/i2400m_rx_stats
> +45 1 3
> +34 3104 48 480
> +
> + The numbers reported are
> + * packets/RX-buffer: total, min, max
> + * RX-buffers: total RX buffers received, accumulated RX buffer size
> + in bytes, min size received, max size received
> +
> + Thus, to find the average buffer size received, divide accumulated
> + RX-buffer / total RX-buffers.
> +
> + To clear the statistics back to 0:

Couldn't statistics be in some more generic wimax file rather than per
driver?

johannes

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