Re: [RFC PATCHv6] mac80211: Add support for hardware ARP query filtering

[Juuso Oikarinen <juuso.oikarinen@nokia.com>]

On Thu, 2010-05-27 at 13:47 +0200, ext Johannes Berg wrote:
> On Thu, 2010-05-27 at 14:42 +0300, Juuso Oikarinen wrote:
> > Some hardware allow extended filtering of ARP frames not intended for
> > the host. To perform such filtering, the hardware needs to know the current
> > IP address(es) of the host, bound to its interface.
> > 
> > Add support for ARP filtering to mac80211 by adding a new op to the driver
> > interface, allowing to configure the current IP addresses. This op is called
> > upon association with the currently configured address(es), and when
> > associated whenever the IP address(es) change.
> > 
> > This patch adds configuration of IPv4 addresses only, as IPv6 addresses don't
> > need ARP filtering.
> > 
> > Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
> 
> Yay.
> 
> Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
> 

YAY! :D

> 
> Hmm. Actually, something I just thought of during our IRC discussion,
> should we turn it off when we disassociate or something? Do we even
> care? I guess not since it'll be reconfigured after the next
> association?
> 

This is how I was thinking. After disassociation we shouldn't be seeing
data frames anyway, and on next assoc, we set the addresses again.

-Juuso

> johannes
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html