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openwrt/package/madwifi/patches/305-pureg_fix.patch

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Index: madwifi-ng-r2420-20070602/ath/if_ath.c
===================================================================
--- madwifi-ng-r2420-20070602.orig/ath/if_ath.c 2007-06-04 13:21:58.684055336 +0200
+++ madwifi-ng-r2420-20070602/ath/if_ath.c 2007-06-04 13:21:58.895023264 +0200
@@ -3362,7 +3362,9 @@
rfilt |= HAL_RX_FILTER_PROM;
if (ic->ic_opmode == IEEE80211_M_STA ||
sc->sc_opmode == HAL_M_IBSS || /* NB: AHDEMO too */
- (sc->sc_nostabeacons) || sc->sc_scanning)
+ (sc->sc_nostabeacons) || sc->sc_scanning ||
+ ((ic->ic_opmode == IEEE80211_M_HOSTAP) &&
+ (ic->ic_protmode != IEEE80211_PROT_NONE)))
rfilt |= HAL_RX_FILTER_BEACON;
if ((sc->sc_nmonvaps > 0) || ((sc->sc_nvaps > 0) && (sc->sc_nibssvaps > 0)))
rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
Index: madwifi-ng-r2420-20070602/net80211/ieee80211_input.c
===================================================================
--- madwifi-ng-r2420-20070602.orig/net80211/ieee80211_input.c 2007-06-04 13:21:58.461089232 +0200
+++ madwifi-ng-r2420-20070602/net80211/ieee80211_input.c 2007-06-04 13:21:58.897022960 +0200
@@ -321,11 +321,12 @@
bssid = wh->i_addr3;
}
/*
- * Validate the bssid.
+ * Validate the bssid. Let beacons get through though for 11g protection mode.
*/
#ifdef ATH_SUPERG_XR
if (!IEEE80211_ADDR_EQ(bssid, vap->iv_bss->ni_bssid) &&
- !IEEE80211_ADDR_EQ(bssid, dev->broadcast)) {
+ !IEEE80211_ADDR_EQ(bssid, dev->broadcast) &&
+ (subtype != IEEE80211_FC0_SUBTYPE_BEACON)) {
/*
* allow MGT frames to vap->iv_xrvap.
* this will allow roaming between XR and normal vaps
@@ -344,7 +345,8 @@
}
#else
if (!IEEE80211_ADDR_EQ(bssid, vap->iv_bss->ni_bssid) &&
- !IEEE80211_ADDR_EQ(bssid, dev->broadcast)) {
+ !IEEE80211_ADDR_EQ(bssid, dev->broadcast) &&
+ (subtype != IEEE80211_FC0_SUBTYPE_BEACON)) {
/* not interested in */
IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
bssid, NULL, "%s", "not to bss");
@@ -2542,7 +2544,7 @@
u_int8_t *frm, *efrm;
u_int8_t *ssid, *rates, *xrates, *wpa, *rsn, *wme, *ath;
u_int8_t rate;
- int reassoc, resp, allocbs = 0;
+ int reassoc, resp, allocbs = 0, has_erp = 0;
u_int8_t qosinfo;
wh = (struct ieee80211_frame *) skb->data;
@@ -2564,11 +2566,15 @@
* o station mode when associated (to collect state
* updates such as 802.11g slot time), or
* o adhoc mode (to discover neighbors)
+ * o ap mode in protection mode (beacons only)
* Frames otherwise received are discarded.
*/
if (!((ic->ic_flags & IEEE80211_F_SCAN) ||
(vap->iv_opmode == IEEE80211_M_STA && ni->ni_associd) ||
- vap->iv_opmode == IEEE80211_M_IBSS)) {
+ (vap->iv_opmode == IEEE80211_M_IBSS) ||
+ ((subtype == IEEE80211_FC0_SUBTYPE_BEACON) &&
+ (vap->iv_opmode == IEEE80211_M_HOSTAP) &&
+ (ic->ic_protmode != IEEE80211_PROT_NONE)))) {
vap->iv_stats.is_rx_mgtdiscard++;
return;
}
@@ -2651,6 +2657,7 @@
break;
}
scan.erp = frm[2];
+ has_erp = 1;
break;
case IEEE80211_ELEMID_RSN:
scan.rsn = frm;
@@ -2826,6 +2833,20 @@
ieee80211_bg_scan(vap);
return;
}
+
+ /* Update AP protection mode when in 11G mode */
+ if ((vap->iv_opmode == IEEE80211_M_HOSTAP) &&
+ IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) {
+
+ /* Assume no ERP IE == 11b AP */
+ if ((!has_erp || (has_erp && (scan.erp & IEEE80211_ERP_NON_ERP_PRESENT))) &&
+ !(ic->ic_flags & IEEE80211_F_USEPROT)) {
+
+ ic->ic_flags |= IEEE80211_F_USEPROT;
+ ic->ic_flags_ext |= IEEE80211_FEXT_ERPUPDATE;
+ }
+ }
+
/*
* If scanning, just pass information to the scan module.
*/
Index: madwifi-ng-r2420-20070602/net80211/ieee80211_node.c
===================================================================
--- madwifi-ng-r2420-20070602.orig/net80211/ieee80211_node.c 2007-06-04 13:21:57.503234848 +0200
+++ madwifi-ng-r2420-20070602/net80211/ieee80211_node.c 2007-06-04 13:21:58.897022960 +0200
@@ -332,10 +332,16 @@
/* Update country ie information */
ieee80211_build_countryie(ic);
- if (IEEE80211_IS_CHAN_HALF(chan))
+ if (IEEE80211_IS_CHAN_HALF(chan)) {
ni->ni_rates = ic->ic_sup_half_rates;
- else if (IEEE80211_IS_CHAN_QUARTER(chan))
+ } else if (IEEE80211_IS_CHAN_QUARTER(chan)) {
ni->ni_rates = ic->ic_sup_quarter_rates;
+ }
+
+ if ((vap->iv_flags & IEEE80211_F_PUREG) &&
+ IEEE80211_IS_CHAN_ANYG(chan)) {
+ ieee80211_setpuregbasicrates(&ni->ni_rates);
+ }
(void) ieee80211_sta_join1(PASS_NODE(ni));
}
Index: madwifi-ng-r2420-20070602/net80211/ieee80211_proto.c
===================================================================
--- madwifi-ng-r2420-20070602.orig/net80211/ieee80211_proto.c 2007-06-04 13:21:58.133139088 +0200
+++ madwifi-ng-r2420-20070602/net80211/ieee80211_proto.c 2007-06-04 13:21:58.898022808 +0200
@@ -586,6 +586,28 @@
{ 4, { 2, 4, 11, 22 } }, /* IEEE80211_MODE_TURBO_G (mixed b/g) */
};
+static const struct ieee80211_rateset basicpureg[] = {
+ { 7, {2, 4, 11, 22, 12, 24, 48 } },
+};
+
+/*
+ * Mark basic rates for the 11g rate table based on the pureg setting
+ */
+void
+ieee80211_setpuregbasicrates(struct ieee80211_rateset *rs)
+{
+ int i, j;
+
+ for (i = 0; i < rs->rs_nrates; i++) {
+ rs->rs_rates[i] &= IEEE80211_RATE_VAL;
+ for (j = 0; j < basicpureg[0].rs_nrates; j++)
+ if (basicpureg[0].rs_rates[j] == rs->rs_rates[i]) {
+ rs->rs_rates[i] |= IEEE80211_RATE_BASIC;
+ break;
+ }
+ }
+}
+
/*
* Mark the basic rates for the 11g rate table based on the
* specified mode. For 11b compatibility we mark only 11b
Index: madwifi-ng-r2420-20070602/net80211/ieee80211_var.h
===================================================================
--- madwifi-ng-r2420-20070602.orig/net80211/ieee80211_var.h 2007-06-04 13:21:58.134138936 +0200
+++ madwifi-ng-r2420-20070602/net80211/ieee80211_var.h 2007-06-04 13:21:58.899022656 +0200
@@ -593,6 +593,8 @@
void ieee80211_build_countryie(struct ieee80211com *);
int ieee80211_media_setup(struct ieee80211com *, struct ifmedia *, u_int32_t,
ifm_change_cb_t, ifm_stat_cb_t);
+void ieee80211_setpuregbasicrates(struct ieee80211_rateset *rs);
+
/* Key update synchronization methods. XXX should not be visible. */
static __inline void
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