On 05/15/2014 12:06 PM, Kyeyoon Park wrote: > Proxy ARP allows the AP devices to keep track of the hardware address > to IP address mapping of the STA devices within the BSS. When a request > for such information is made (i.e. ARP request, Neighbor Solicitation), > the AP will respond on behalf of the STA device within the BSS. Such > requests could originate from a device within the BSS or also from the > bridge. In the process of the AP replying to the request (i.e. ARP > reply, Neighbor Advertisement), the AP will drop the original request > frame. The relevant STA will not even know that such information was > ever requested. > > This feature is a requirement for Hotspot 2.0. This feature is defined > in IEEE Std 802.11-2012, 10.23.13. This particular commit will > eventually be split into two separate commits (cfg80211 and mac80211 > separately). This commit implements one part of the feature, dynamic > IPv4 addresses and ARP. Additional commits will be made to support > static IPv4 addresses and IPv6. > > Signed-off-by: Kyeyoon Park <kyeyoonp@xxxxxxxxxxxxxxxx> > +#define STA_IPV4_HASH_SIZE 32 > +#define STA_IPV4_HASH(ipv4) (((u8 *)&ipv4)[3] & 0x1F) This should be a better hash I think. Use an existing hash method or at least mix in the higher bits manually? Thanks, Ben -- Ben Greear <greearb@xxxxxxxxxxxxxxx> Candela Technologies Inc http://www.candelatech.com -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
