package/kernel/mac80211/patches/320-ath9k-Use-a-helper-function-for-bmiss.patch

   1 From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
   2 Date: Fri, 17 Oct 2014 07:40:25 +0530
   3 Subject: [PATCH] ath9k: Use a helper function for bmiss
   4
   5 Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
   6 ---
   7
   8 --- a/drivers/net/wireless/ath/ath9k/channel.c
   9 +++ b/drivers/net/wireless/ath/ath9k/channel.c
  10 @@ -366,6 +366,31 @@ static void ath_chanctx_setup_timer(stru
  11                 "Setup chanctx timer with timeout: %d ms\n", jiffies_to_msecs(tsf_time));
  12  }
  13
  14 +static void ath_chanctx_handle_bmiss(struct ath_softc *sc,
  15 +                                    struct ath_chanctx *ctx,
  16 +                                    struct ath_vif *avp)
  17 +{
  18 +       /*
  19 +        * Clear the extend_absence flag if it had been
  20 +        * set during the previous beacon transmission,
  21 +        * since we need to revert to the normal NoA
  22 +        * schedule.
  23 +        */
  24 +       if (ctx->active && sc->sched.extend_absence) {
  25 +               avp->noa_duration = 0;
  26 +               sc->sched.extend_absence = false;
  27 +       }
  28 +
  29 +       /* If at least two consecutive beacons were missed on the STA
  30 +        * chanctx, stay on the STA channel for one extra beacon period,
  31 +        * to resync the timer properly.
  32 +        */
  33 +       if (ctx->active && sc->sched.beacon_miss >= 2) {
  34 +               avp->noa_duration = 0;
  35 +               sc->sched.extend_absence = true;
  36 +       }
  37 +}
  38 +
  39  static void ath_chanctx_offchannel_noa(struct ath_softc *sc,
  40                                        struct ath_chanctx *ctx,
  41                                        struct ath_vif *avp,
  42 @@ -524,25 +549,7 @@ void ath_chanctx_event(struct ath_softc
  43                         break;
  44                 }
  45
  46 -               /*
  47 -                * Clear the extend_absence flag if it had been
  48 -                * set during the previous beacon transmission,
  49 -                * since we need to revert to the normal NoA
  50 -                * schedule.
  51 -                */
  52 -               if (ctx->active && sc->sched.extend_absence) {
  53 -                       avp->noa_duration = 0;
  54 -                       sc->sched.extend_absence = false;
  55 -               }
  56 -
  57 -               /* If at least two consecutive beacons were missed on the STA
  58 -                * chanctx, stay on the STA channel for one extra beacon period,
  59 -                * to resync the timer properly.
  60 -                */
  61 -               if (ctx->active && sc->sched.beacon_miss >= 2) {
  62 -                       avp->noa_duration = 0;
  63 -                       sc->sched.extend_absence = true;
  64 -               }
  65 +               ath_chanctx_handle_bmiss(sc, ctx, avp);
  66
  67                 /* Prevent wrap-around issues */
  68                 if (avp->noa_duration && tsf_time - avp->noa_start > BIT(30))