Current-Users archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: Can anyone please fix iwn ?



On Mon, Sep 08, 2008 at 03:20:25PM -0500, David Young wrote:
> 
> There may be a buffer overrun bug in the driver or NIC.  How big are
> the rx buffers that iwn allocates?  An 802.11n NIC may expect for each
> rx buffer to be as large as 8kB.  If iwn reserves only 2kB for an rx
> buffer, the h/w may merrily overrun the buffer. 
>

The iwn rx buffer is 4k - the size is determined by IWN_RBUF_SIZE in
if_iwnreg.h

-- 
Brett Lymn
"Warning:
The information contained in this email and any attached files is
confidential to BAE Systems Australia. If you are not the intended
recipient, any use, disclosure or copying of this email or any
attachments is expressly prohibited.  If you have received this email
in error, please notify us immediately. VIRUS: Every care has been
taken to ensure this email and its attachments are virus free,
however, any loss or damage incurred in using this email is not the
sender's responsibility.  It is your responsibility to ensure virus
checks are completed before installing any data sent in this email to
your computer."




Home | Main Index | Thread Index | Old Index