package/madwifi/patches/347-tuning.patch

   1 --- a/ath/if_ath.c
   2 +++ b/ath/if_ath.c
   3 @@ -10276,11 +10276,11 @@ ath_setcurmode(struct ath_softc *sc, enu
   4         sc->sc_currates = rt;
   5         sc->sc_curmode = mode;
   6         /*
   7 -        * All protection frames are transmitted at 2Mb/s for
   8 -        * 11g, otherwise at 1Mb/s.
   9 +        * All protection frames are transmitted at 11Mb/s for
  10 +        * 11g, otherwise at 2Mb/s.
  11          * XXX select protection rate index from rate table.
  12          */
  13 -       sc->sc_protrix = (mode == IEEE80211_MODE_11G ? 1 : 0);
  14 +       sc->sc_protrix = (mode == IEEE80211_MODE_11G ? 3 : 1);
  15         /* rate index used to send mgt frames */
  16         sc->sc_minrateix = 0;
  17  }
  18 --- a/ath/if_athvar.h
  19 +++ b/ath/if_athvar.h
  20 @@ -272,6 +272,10 @@ static inline struct net_device *_alloc_
  21  #define AES_ICV_FIELD_SIZE      8       /* AES ICV field size */
  22  #define EXT_IV_FIELD_SIZE       4       /* ext IV field size */
  23
  24 +/* This is what the HAL uses by default for 11a+g */
  25 +#define ATH_DEFAULT_CWMIN      15
  26 +#define ATH_DEFAULT_CWMAX      1023
  27 +
  28  /* XR specific macros */
  29
  30  #define XR_DEFAULT_GRPPOLL_RATE_STR    "0.25 1 1 3 3 6 6 20"
  31 --- a/ath_rate/minstrel/minstrel.c
  32 +++ b/ath_rate/minstrel/minstrel.c
  33 @@ -197,7 +197,7 @@ calc_usecs_unicast_packet(struct ath_sof
  34                 unsigned int x = 0, tt = 0;
  35                 unsigned int cix = rt->info[rix].controlRate;
  36                 int rts = 0, cts = 0;
  37 -               int cw = WIFI_CW_MIN;
  38 +               int cw = ATH_DEFAULT_CWMIN;
  39
  40                 KASSERT(rt != NULL, ("no rate table, mode %u", sc->sc_curmode));
  41
  42 @@ -281,7 +281,7 @@ calc_usecs_unicast_packet(struct ath_sof
  43                 tt += (long_retries + 1) * ath_hal_computetxtime(sc->sc_ah, rt, length,
  44                                                         rix, AH_TRUE);
  45                 for (x = 0; x <= short_retries + long_retries; x++) {
  46 -                       cw = MIN(WIFI_CW_MAX, (cw + 1) * 2);
  47 +                       cw = MIN(ATH_DEFAULT_CWMAX, (cw + 1) * 2);
  48                         tt += (t_slot * cw / 2);
  49                 }
  50                 return tt;
  51 --- a/ath_rate/minstrel/minstrel.h
  52 +++ b/ath_rate/minstrel/minstrel.h
  53 @@ -180,14 +180,6 @@ struct minstrel_node {
  54  #define MAX(a,b)        ((a) > (b) ? (a) : (b))
  55  #endif
  56
  57 -#if 0
  58 -#define WIFI_CW_MIN 31
  59 -#define WIFI_CW_MAX 1023
  60 -#else
  61 -#define WIFI_CW_MIN 3
  62 -#define WIFI_CW_MAX 10
  63 -#endif
  64 -
  65  /*
  66   * Definitions for pulling the rate and trie counts from
  67   * a 5212 h/w descriptor. These Don't belong here; the
  68 --- a/ath_rate/sample/sample.c
  69 +++ b/ath_rate/sample/sample.c
  70 @@ -170,7 +170,7 @@ calc_usecs_unicast_packet(struct ath_sof
  71         struct ieee80211com *ic = &sc->sc_ic;
  72         unsigned int tt = 0;
  73         unsigned int x;
  74 -       unsigned int cw = WIFI_CW_MIN;
  75 +       unsigned int cw = ATH_DEFAULT_CWMIN;
  76         unsigned int cix = rt->info[rix].controlRate;
  77         KASSERT(rt != NULL, ("no rate table, mode %u", sc->sc_curmode));
  78
  79 @@ -254,7 +254,7 @@ calc_usecs_unicast_packet(struct ath_sof
  80         tt += (long_retries+1)*ath_hal_computetxtime(sc->sc_ah, rt, length,
  81                                                 rix, AH_TRUE);
  82         for (x = 0; x <= short_retries + long_retries; x++) {
  83 -               cw = MIN(WIFI_CW_MAX, (cw + 1) * 2);
  84 +               cw = MIN(ATH_DEFAULT_CWMAX, (cw + 1) * 2);
  85                 tt += (t_slot * cw / 2);
  86         }
  87         return tt;
  88 --- a/ath_rate/sample/sample.h
  89 +++ b/ath_rate/sample/sample.h
  90 @@ -106,9 +106,6 @@ struct sample_node {
  91  #define MAX(a,b)        ((a) > (b) ? (a) : (b))
  92  #endif
  93
  94 -#define WIFI_CW_MIN 31
  95 -#define WIFI_CW_MAX 1023
  96 -
  97  /*
  98   * Definitions for pulling the rate and trie counts from
  99   * a 5212 h/w descriptor. These Don't belong here; the