On Tue, 2009-05-19 at 17:01 +0300, Jouni Malinen wrote: > plain text document attachment > (mac80211-pspoll-on-every-beacon-tim.patch) > If the AP includes our AID in the TIM IE, we need to process the > Beacon frame as far as PS is concerned (send PS-Poll or nullfunc data > with PM=0). The previous code skipped this in cases where the CRC > value did not change and it would not change if the AP continues > including our AID in the TIM.. > > There is no need to count the crc32 value for directed_tim with this > change, so we can remove that part. In order not to change the order > of operations (i.e., update WMM parameters prior to sending PS-Poll), > the CRC match is checked twice as only after the PS processing step, > the rest of the function is skipped if nothing changed in the Beacon. > > Signed-off-by: Jouni Malinen <jouni.malinen@xxxxxxxxxxx> Makes sense, thanks. johannes
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