| 1 | --- a/ath/if_ath.c |
| 2 | +++ b/ath/if_ath.c |
| 3 | @@ -1308,6 +1308,7 @@ ath_vap_create(struct ieee80211com *ic, |
| 4 | vap->iv_key_update_begin = ath_key_update_begin; |
| 5 | vap->iv_key_update_end = ath_key_update_end; |
| 6 | vap->iv_maxrateindex = 0; |
| 7 | + vap->iv_minrateindex = 0; |
| 8 | if (sc->sc_default_ieee80211_debug) { |
| 9 | /* User specified defaults for new VAPs were provided, so |
| 10 | * use those (only). */ |
| 11 | --- a/ath_rate/minstrel/minstrel.c |
| 12 | +++ b/ath_rate/minstrel/minstrel.c |
| 13 | @@ -638,9 +638,15 @@ ath_rate_ctl_reset(struct ath_softc *sc, |
| 14 | sn->rs_succ_hist [x] = 0; |
| 15 | sn->rs_att_hist [x] = 0; |
| 16 | sn->rs_this_tp [x] = 0; |
| 17 | - |
| 18 | + if (vap->iv_minrateindex && vap->iv_minrateindex<ni->ni_rates.rs_nrates) |
| 19 | + { |
| 20 | + int idx = vap->iv_minrateindex; |
| 21 | + sn->rates[x].rate = ni->ni_rates.rs_rates[idx] & IEEE80211_RATE_VAL; |
| 22 | + sn->rates[x].rix = sc->sc_rixmap[sn->rates[idx].rate]; |
| 23 | + }else{ |
| 24 | sn->rates[x].rate = ni->ni_rates.rs_rates[x] & IEEE80211_RATE_VAL; |
| 25 | sn->rates[x].rix = sc->sc_rixmap[sn->rates[x].rate]; |
| 26 | + } |
| 27 | if (sn->rates[x].rix == 0xff) { |
| 28 | DPRINTF(sc, "%s: %s ignore bogus rix at %d\n", |
| 29 | dev_info, __func__, x); |
| 30 | @@ -649,7 +655,7 @@ ath_rate_ctl_reset(struct ath_softc *sc, |
| 31 | sn->rates[x].rateCode = rt->info[sn->rates[x].rix].rateCode; |
| 32 | sn->rates[x].shortPreambleRateCode = |
| 33 | rt->info[sn->rates[x].rix].rateCode | |
| 34 | - rt->info[sn->rates[x].rix].shortPreamble; |
| 35 | + rt->info[sn->rates[x].rix].shortPreamble; |
| 36 | } |
| 37 | |
| 38 | ath_fill_sample_table(sn); |
| 39 | --- a/ath_rate/sample/sample.c |
| 40 | +++ b/ath_rate/sample/sample.c |
| 41 | @@ -842,8 +842,15 @@ ath_rate_ctl_reset(struct ath_softc *sc, |
| 42 | sn->num_rates = vap->iv_maxrateindex; |
| 43 | |
| 44 | for (x = 0; x < ni->ni_rates.rs_nrates; x++) { |
| 45 | - sn->rates[x].rate = ni->ni_rates.rs_rates[x] & IEEE80211_RATE_VAL; |
| 46 | - sn->rates[x].rix = sc->sc_rixmap[sn->rates[x].rate]; |
| 47 | + if (vap->iv_minrateindex && vap->iv_minrateindex<ni->ni_rates.rs_nrates) |
| 48 | + { |
| 49 | + int idx = vap->iv_minrateindex; |
| 50 | + sn->rates[x].rate = ni->ni_rates.rs_rates[idx] & IEEE80211_RATE_VAL; |
| 51 | + sn->rates[x].rix = sc->sc_rixmap[sn->rates[idx].rate]; |
| 52 | + }else{ |
| 53 | + sn->rates[x].rate = ni->ni_rates.rs_rates[x] & IEEE80211_RATE_VAL; |
| 54 | + sn->rates[x].rix = sc->sc_rixmap[sn->rates[x].rate]; |
| 55 | + } |
| 56 | if (sn->rates[x].rix == 0xff) { |
| 57 | DPRINTF(sc, ATH_DEBUG_RATE, "%s: %s ignore bogus rix at %u\n", |
| 58 | dev_info, __func__, x); |
| 59 | --- a/net80211/ieee80211_ioctl.h |
| 60 | +++ b/net80211/ieee80211_ioctl.h |
| 61 | @@ -642,6 +642,7 @@ enum { |
| 62 | IEEE80211_PARAM_BEACON_MISS_THRESH = 73, /* Beacon miss threshold (in beacons) */ |
| 63 | IEEE80211_PARAM_BEACON_MISS_THRESH_MS = 74, /* Beacon miss threshold (in ms) */ |
| 64 | IEEE80211_PARAM_MAXRATE = 75, /* Maximum rate (by table index) */ |
| 65 | + IEEE80211_PARAM_MINRATE = 76, /* Minimum rate (by table index) */ |
| 66 | }; |
| 67 | |
| 68 | #define SIOCG80211STATS (SIOCDEVPRIVATE+2) |
| 69 | --- a/net80211/ieee80211_var.h |
| 70 | +++ b/net80211/ieee80211_var.h |
| 71 | @@ -282,6 +282,7 @@ struct ieee80211vap { |
| 72 | struct ieee80211_app_ie app_ie[IEEE80211_APPIE_NUM_OF_FRAME]; /* app-specified IEs by frame type */ |
| 73 | u_int32_t app_filter; /* filters which management frames are forwarded to app */ |
| 74 | u_int iv_maxrateindex; |
| 75 | + u_int iv_minrateindex; |
| 76 | }; |
| 77 | |
| 78 | /* Debug functions need the defintion of struct ieee80211vap because iv_debug |
| 79 | --- a/net80211/ieee80211_wireless.c |
| 80 | +++ b/net80211/ieee80211_wireless.c |
| 81 | @@ -2845,6 +2845,12 @@ ieee80211_ioctl_setparam(struct net_devi |
| 82 | else |
| 83 | vap->iv_maxrateindex = 0; |
| 84 | break; |
| 85 | + case IEEE80211_PARAM_MINRATE: |
| 86 | + if (value > 0) |
| 87 | + vap->iv_minrateindex = value; |
| 88 | + else |
| 89 | + vap->iv_minrateindex = 0; |
| 90 | + break; |
| 91 | #ifdef ATH_REVERSE_ENGINEERING |
| 92 | case IEEE80211_PARAM_DUMPREGS: |
| 93 | ieee80211_dump_registers(dev, info, w, extra); |
| 94 | @@ -3183,6 +3189,9 @@ ieee80211_ioctl_getparam(struct net_devi |
| 95 | case IEEE80211_PARAM_MAXRATE: |
| 96 | param[0] = vap->iv_maxrateindex; |
| 97 | break; |
| 98 | + case IEEE80211_PARAM_MINRATE: |
| 99 | + param[0] = vap->iv_minrateindex; |
| 100 | + break; |
| 101 | default: |
| 102 | return -EOPNOTSUPP; |
| 103 | } |
| 104 | @@ -5623,6 +5632,10 @@ static const struct iw_priv_args ieee802 |
| 105 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maxrate"}, |
| 106 | {IEEE80211_PARAM_MAXRATE, |
| 107 | 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_maxrate"}, |
| 108 | + {IEEE80211_PARAM_MINRATE, |
| 109 | + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "minrate"}, |
| 110 | + {IEEE80211_PARAM_MINRATE, |
| 111 | + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_minrate"}, |
| 112 | |
| 113 | #ifdef ATH_REVERSE_ENGINEERING |
| 114 | /* |
| 115 | |