package/kernel/mac80211/patches/309-ath9k-Clear-NoA-schedule-properly.patch

   1 From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
   2 Date: Fri, 17 Oct 2014 07:40:14 +0530
   3 Subject: [PATCH] ath9k: Clear NoA schedule properly
   4
   5 When an active context transitions to inactive
   6 state, the NoA schedule needs to be removed
   7 for the context that has beaconing enabled.
   8 Not doing this will affect p2p clients.
   9
  10 Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
  11 ---
  12
  13 --- a/drivers/net/wireless/ath/ath9k/channel.c
  14 +++ b/drivers/net/wireless/ath/ath9k/channel.c
  15 @@ -356,6 +356,21 @@ void ath_chanctx_event(struct ath_softc
  16                                 "Move chanctx state from WAIT_FOR_TIMER to WAIT_FOR_BEACON\n");
  17                 }
  18
  19 +               /*
  20 +                * When a context becomes inactive, for example,
  21 +                * disassociation of a station context, the NoA
  22 +                * attribute needs to be removed from subsequent
  23 +                * beacons.
  24 +                */
  25 +               if (!ctx->active && avp->noa_duration &&
  26 +                   sc->sched.state != ATH_CHANCTX_STATE_WAIT_FOR_BEACON) {
  27 +                       avp->noa_duration = 0;
  28 +                       avp->periodic_noa = false;
  29 +
  30 +                       ath_dbg(common, CHAN_CTX,
  31 +                               "Clearing NoA schedule\n");
  32 +               }
  33 +
  34                 if (sc->sched.state != ATH_CHANCTX_STATE_WAIT_FOR_BEACON)
  35                         break;
  36