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Message-ID: <20141027182032.1c5dcffa@urahara> Date: Mon, 27 Oct 2014 18:20:32 -0700 From: Stephen Hemminger <stephen@...workplumber.org> To: Kyeyoon Park <kyeyoonp@....qualcomm.com> Cc: davem@...emloft.net, jouni@....qualcomm.com, netdev@...r.kernel.org Subject: Re: [PATCH] bridge: Add support for IEEE 802.11 Proxy ARP On Thu, 23 Oct 2014 14:49:17 -0700 Kyeyoon Park <kyeyoonp@....qualcomm.com> wrote: > From: Kyeyoon Park <kyeyoonp@...eaurora.org> > > This feature is defined in IEEE Std 802.11-2012, 10.23.13. It allows > the AP devices to keep track of the hardware-address-to-IP-address > mapping of the mobile devices within the WLAN network. > > The AP will learn this mapping via observing DHCP, ARP, and NS/NA > frames. When a request for such information is made (i.e. ARP request, > Neighbor Solicitation), the AP will respond on behalf of the > associated mobile device. In the process of doing so, the AP will drop > the multicast request frame that was intended to go out to the wireless > medium. > > It was recommended at the LKS workshop to do this implementation in > the bridge layer. vxlan.c is already doing something very similar. > The DHCP snooping code will be added to the userspace application > (hostapd) per the recommendation. > > This RFC commit is only for IPv4. A similar approach in the bridge > layer will be taken for IPv6 as well. > > Signed-off-by: Kyeyoon Park <kyeyoonp@...eaurora.org> Looks good. Maybe at some point VXLAN and bridge should share more code or at least the same options. I a little worried that this could be DoS'd. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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