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--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -1300,6 +1300,7 @@
vap->iv_key_update_begin = ath_key_update_begin;
vap->iv_key_update_end = ath_key_update_end;
vap->iv_maxrateindex = 0;
+ vap->iv_minrateindex = 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
@@ -652,6 +652,8 @@
sn->num_rates = ni->ni_rates.rs_nrates;
for (x = 0; x < ni->ni_rates.rs_nrates; x++) {
+ int idx = x;
+
sn->rs_rateattempts [x] = 0;
sn->rs_thisprob [x] = 0;
sn->rs_ratesuccess [x] = 0;
@@ -662,8 +664,12 @@
sn->rs_att_hist [x] = 0;
sn->rs_this_tp [x] = 0;
- sn->rates[x].rate = ni->ni_rates.rs_rates[x] & IEEE80211_RATE_VAL;
- sn->rates[x].rix = sc->sc_rixmap[sn->rates[x].rate];
+ if (vap->iv_minrateindex && (vap->iv_minrateindex <
+ ni->ni_rates.rs_nrates))
+ idx = vap->iv_minrateindex;
+
+ sn->rates[x].rate = ni->ni_rates.rs_rates[idx] & IEEE80211_RATE_VAL;
+ sn->rates[x].rix = sc->sc_rixmap[sn->rates[idx].rate];
if (sn->rates[x].rix == 0xff) {
DPRINTF(sc, "%s: %s ignore bogus rix at %d\n",
dev_info, __func__, x);
--- a/ath_rate/sample/sample.c
+++ b/ath_rate/sample/sample.c
@@ -845,8 +845,15 @@
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];
+ int idx = x;
+
+ if (vap->iv_minrateindex && vap->iv_minrateindex <
+ ni->ni_rates.rs_nrates)
+ idx = vap->iv_minrateindex;
+
+ sn->rates[x].rate = ni->ni_rates.rs_rates[idx] & IEEE80211_RATE_VAL;
+ sn->rates[x].rix = sc->sc_rixmap[sn->rates[idx].rate];
+
if (sn->rates[x].rix == 0xff) {
DPRINTF(sc, ATH_DEBUG_RATE, "%s: %s ignore bogus rix at %u\n",
dev_info, __func__, x);
--- a/net80211/ieee80211_ioctl.h
+++ b/net80211/ieee80211_ioctl.h
@@ -651,6 +651,7 @@
IEEE80211_PARAM_SCANBUFS = 81, /* Heap analysis for TX DMA */
IEEE80211_PARAM_LEAKTXBUFS = 82, /* Leak tx buffers */
IEEE80211_PARAM_MAXRATE = 83, /* Maximum rate (by table index) */
+ IEEE80211_PARAM_MINRATE = 84, /* Minimum rate (by table index) */
};
#define SIOCG80211STATS (SIOCDEVPRIVATE+2)
--- a/net80211/ieee80211_var.h
+++ b/net80211/ieee80211_var.h
@@ -292,6 +292,7 @@
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 */
int iv_maxrateindex;
+ int iv_minrateindex;
};
/* Debug functions need the defintion of struct ieee80211vap because iv_debug
--- a/net80211/ieee80211_wireless.c
+++ b/net80211/ieee80211_wireless.c
@@ -2879,6 +2879,12 @@
else
vap->iv_maxrateindex = 0;
break;
+ case IEEE80211_PARAM_MINRATE:
+ if (value > 0)
+ vap->iv_minrateindex = value;
+ else
+ vap->iv_minrateindex = 0;
+ break;
#ifdef ATH_REVERSE_ENGINEERING
case IEEE80211_PARAM_DUMPREGS:
ieee80211_dump_registers(dev, info, w, extra);
@@ -3220,6 +3226,9 @@
case IEEE80211_PARAM_MAXRATE:
param[0] = vap->iv_maxrateindex;
break;
+ case IEEE80211_PARAM_MINRATE:
+ param[0] = vap->iv_minrateindex;
+ break;
default:
return -EOPNOTSUPP;
}
@@ -5679,6 +5688,10 @@
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"},
+ {IEEE80211_PARAM_MINRATE,
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "minrate"},
+ {IEEE80211_PARAM_MINRATE,
+ 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_minrate"},
#ifdef ATH_REVERSE_ENGINEERING
/*
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