package/madwifi/patches/348-ackcts.patch

   1 --- a/ath/if_ath.c
   2 +++ b/ath/if_ath.c
   3 @@ -2725,6 +2725,9 @@
   4  static int
   5  ath_set_ack_bitrate(struct ath_softc *sc, int high)
   6  {
   7 +       if (!sc->sc_ackrate_override)
   8 +               return 0;
   9 +
  10         if (ar_device(sc->devid) == 5212 || ar_device(sc->devid) == 5213) {
  11                 /* set ack to be sent at low bit-rate */
  12                 /* registers taken from the OpenBSD 5212 HAL */
  13 @@ -10795,8 +10798,13 @@
  14                                 break;
  15  #endif
  16                         case ATH_ACKRATE:
  17 -                               sc->sc_ackrate = val;
  18 -                               ath_set_ack_bitrate(sc, sc->sc_ackrate);
  19 +                               if (val == -1)
  20 +                                       sc->sc_ackrate_override = 0;
  21 +                               else {
  22 +                                       sc->sc_ackrate_override = 1;
  23 +                                       sc->sc_ackrate = val;
  24 +                                       ath_set_ack_bitrate(sc, sc->sc_ackrate);
  25 +                               }
  26                                 break;
  27                         case ATH_RP:
  28                                 ath_rp_record(sc,
  29 --- a/ath/if_athvar.h
  30 +++ b/ath/if_athvar.h
  31 @@ -681,6 +681,7 @@
  32         unsigned int    sc_devstopped:1;        /* stopped due to of no tx bufs */
  33         unsigned int    sc_stagbeacons:1;       /* use staggered beacons */
  34         unsigned int    sc_dfswait:1;           /* waiting on channel for radar detect */
  35 +       unsigned int    sc_ackrate_override:1;  /* override ack rate */
  36         unsigned int    sc_ackrate:1;           /* send acks at high bitrate */
  37         unsigned int    sc_dfs_cac:1;           /* waiting on channel for radar detect */
  38         unsigned int    sc_hasintmit:1;         /* Interference mitigation */