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--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -1307,6 +1307,7 @@ ath_vap_create(struct ieee80211com *ic,
vap->iv_key_set = ath_key_set;
vap->iv_key_update_begin = ath_key_update_begin;
vap->iv_key_update_end = ath_key_update_end;
+ vap->iv_maxrateindex = 0;
if (sc->sc_default_ieee80211_debug) {
/* User specified defaults for new VAPs were provided, so
* use those (only). */
--- a/ath_rate/minstrel/minstrel.c
+++ b/ath_rate/minstrel/minstrel.c
@@ -622,8 +622,12 @@ ath_rate_ctl_reset(struct ath_softc *sc,
return;
}
sn->static_rate_ndx = -1;
+ if (vap->iv_maxrateindex == 0 || ni->ni_rates.rs_nrates <= 0
+ || vap->iv_maxrateindex > ni->ni_rates.rs_nrates)
+ sn->num_rates = ni->ni_rates.rs_nrates;
+ else
+ sn->num_rates = vap->iv_maxrateindex;
- sn->num_rates = ni->ni_rates.rs_nrates;
for (x = 0; x < ni->ni_rates.rs_nrates; x++) {
sn->rs_rateattempts [x] = 0;
sn->rs_thisprob [x] = 0;
--- a/ath_rate/sample/sample.c
+++ b/ath_rate/sample/sample.c
@@ -835,7 +835,12 @@ ath_rate_ctl_reset(struct ath_softc *sc,
}
sn->static_rate_ndx = -1;
- sn->num_rates = ni->ni_rates.rs_nrates;
+ if (vap->iv_maxrateindex == 0 || ni->ni_rates.rs_nrates <= 0
+ || vap->iv_maxrateindex > ni->ni_rates.rs_nrates)
+ sn->num_rates = ni->ni_rates.rs_nrates;
+ else
+ sn->num_rates = vap->iv_maxrateindex;
+
for (x = 0; x < ni->ni_rates.rs_nrates; x++) {
sn->rates[x].rate = ni->ni_rates.rs_rates[x] & IEEE80211_RATE_VAL;
sn->rates[x].rix = sc->sc_rixmap[sn->rates[x].rate];
--- a/net80211/ieee80211_ioctl.h
+++ b/net80211/ieee80211_ioctl.h
@@ -641,6 +641,7 @@ enum {
FCC requires 30m, so that is the default. */
IEEE80211_PARAM_BEACON_MISS_THRESH = 73, /* Beacon miss threshold (in beacons) */
IEEE80211_PARAM_BEACON_MISS_THRESH_MS = 74, /* Beacon miss threshold (in ms) */
+ IEEE80211_PARAM_MAXRATE = 75, /* Maximum rate (by table index) */
};
#define SIOCG80211STATS (SIOCDEVPRIVATE+2)
--- a/net80211/ieee80211_var.h
+++ b/net80211/ieee80211_var.h
@@ -281,6 +281,7 @@ struct ieee80211vap {
struct ieee80211_spy iv_spy; /* IWSPY support */
struct ieee80211_app_ie app_ie[IEEE80211_APPIE_NUM_OF_FRAME]; /* app-specified IEs by frame type */
u_int32_t app_filter; /* filters which management frames are forwarded to app */
+ u_int iv_maxrateindex;
};
/* Debug functions need the defintion of struct ieee80211vap because iv_debug
--- a/net80211/ieee80211_wireless.c
+++ b/net80211/ieee80211_wireless.c
@@ -2839,6 +2839,12 @@ ieee80211_ioctl_setparam(struct net_devi
else
ic->ic_flags_ext &= ~IEEE80211_FEXT_MARKDFS;
break;
+ case IEEE80211_PARAM_MAXRATE:
+ if (value > 0)
+ vap->iv_maxrateindex = value;
+ else
+ vap->iv_maxrateindex = 0;
+ break;
#ifdef ATH_REVERSE_ENGINEERING
case IEEE80211_PARAM_DUMPREGS:
ieee80211_dump_registers(dev, info, w, extra);
@@ -3174,6 +3180,9 @@ ieee80211_ioctl_getparam(struct net_devi
else
param[0] = 0;
break;
+ case IEEE80211_PARAM_MAXRATE:
+ param[0] = vap->iv_maxrateindex;
+ break;
default:
return -EOPNOTSUPP;
}
@@ -5610,6 +5619,10 @@ static const struct iw_priv_args ieee802
0, IW_PRIV_TYPE_APPIEBUF, "getiebuf" },
{ IEEE80211_IOCTL_FILTERFRAME,
IW_PRIV_TYPE_FILTER , 0, "setfilter" },
+ {IEEE80211_PARAM_MAXRATE,
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maxrate"},
+ {IEEE80211_PARAM_MAXRATE,
+ 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_maxrate"},
#ifdef ATH_REVERSE_ENGINEERING
/*
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