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			169 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			169 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
Index: madwifi-ng-r2568-20070710/ath/if_ath.c
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===================================================================
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--- madwifi-ng-r2568-20070710.orig/ath/if_ath.c	2007-10-20 20:52:09.000000000 +0200
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+++ madwifi-ng-r2568-20070710/ath/if_ath.c	2007-10-20 20:52:37.000000000 +0200
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@@ -3387,7 +3387,9 @@
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 		rfilt |= HAL_RX_FILTER_PROM;
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 	if (ic->ic_opmode == IEEE80211_M_STA ||
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 	    sc->sc_opmode == HAL_M_IBSS ||	/* NB: AHDEMO too */
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-	    (sc->sc_nostabeacons) || sc->sc_scanning)
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+	    (sc->sc_nostabeacons) || sc->sc_scanning ||
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+		((ic->ic_opmode == IEEE80211_M_HOSTAP) &&
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+		 (ic->ic_protmode != IEEE80211_PROT_NONE)))
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 		rfilt |= HAL_RX_FILTER_BEACON;
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 	if ((sc->sc_nmonvaps > 0) || ((sc->sc_nvaps > 0) && (sc->sc_nibssvaps > 0)))
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 		rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
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Index: madwifi-ng-r2568-20070710/net80211/ieee80211_input.c
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===================================================================
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--- madwifi-ng-r2568-20070710.orig/net80211/ieee80211_input.c	2007-10-20 20:52:09.000000000 +0200
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+++ madwifi-ng-r2568-20070710/net80211/ieee80211_input.c	2007-10-20 20:52:34.000000000 +0200
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@@ -321,11 +321,12 @@
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 				bssid = wh->i_addr3;
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 			}
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 			/*
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-			 * Validate the bssid.
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+			 * Validate the bssid. Let beacons get through though for 11g protection mode.
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 			 */
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 #ifdef ATH_SUPERG_XR
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 			if (!IEEE80211_ADDR_EQ(bssid, vap->iv_bss->ni_bssid) &&
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-			    !IEEE80211_ADDR_EQ(bssid, dev->broadcast)) {
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+			    !IEEE80211_ADDR_EQ(bssid, dev->broadcast) &&
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+				(subtype != IEEE80211_FC0_SUBTYPE_BEACON)) {
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 				/*
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 				 * allow MGT frames to vap->iv_xrvap.
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 				 * this will allow roaming between  XR and normal vaps
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@@ -344,7 +345,8 @@
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 			}
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 #else
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 			if (!IEEE80211_ADDR_EQ(bssid, vap->iv_bss->ni_bssid) &&
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-			    !IEEE80211_ADDR_EQ(bssid, dev->broadcast)) {
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+			    !IEEE80211_ADDR_EQ(bssid, dev->broadcast) &&
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+				(subtype != IEEE80211_FC0_SUBTYPE_BEACON)) {
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 				/* not interested in */
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 				IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
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 					bssid, NULL, "%s", "not to bss");
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@@ -2541,7 +2543,7 @@
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 	u_int8_t *frm, *efrm;
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 	u_int8_t *ssid, *rates, *xrates, *wpa, *rsn, *wme, *ath;
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 	u_int8_t rate;
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-	int reassoc, resp, allocbs = 0;
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+	int reassoc, resp, allocbs = 0, has_erp = 0;
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 	u_int8_t qosinfo;
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 	wh = (struct ieee80211_frame *) skb->data;
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@@ -2563,11 +2565,15 @@
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 		 *    o station mode when associated (to collect state
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 		 *      updates such as 802.11g slot time), or
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 		 *    o adhoc mode (to discover neighbors)
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+		 *    o ap mode in protection mode (beacons only)
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 		 * Frames otherwise received are discarded.
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 		 */
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 		if (!((ic->ic_flags & IEEE80211_F_SCAN) ||
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 		    (vap->iv_opmode == IEEE80211_M_STA && ni->ni_associd) ||
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-		    vap->iv_opmode == IEEE80211_M_IBSS)) {
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+		    (vap->iv_opmode == IEEE80211_M_IBSS) ||
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+			((subtype == IEEE80211_FC0_SUBTYPE_BEACON) &&
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+			 (vap->iv_opmode == IEEE80211_M_HOSTAP) &&
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+			 (ic->ic_protmode != IEEE80211_PROT_NONE)))) {
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 			vap->iv_stats.is_rx_mgtdiscard++;
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 			return;
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 		}
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@@ -2650,6 +2656,7 @@
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 					break;
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 				}
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 				scan.erp = frm[2];
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+				has_erp = 1;
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 				break;
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 			case IEEE80211_ELEMID_RSN:
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 				scan.rsn = frm;
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@@ -2867,6 +2874,20 @@
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 				ieee80211_bg_scan(vap);
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 			return;
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 		}
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+
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+		/* Update AP protection mode when in 11G mode */
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+		if ((vap->iv_opmode == IEEE80211_M_HOSTAP) &&
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+			IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) {
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+
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+			/* Assume no ERP IE == 11b AP */
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+			if ((!has_erp || (has_erp && (scan.erp & IEEE80211_ERP_NON_ERP_PRESENT))) &&
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+				!(ic->ic_flags & IEEE80211_F_USEPROT)) {
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+
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+				ic->ic_flags |= IEEE80211_F_USEPROT;
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+				ic->ic_flags_ext |= IEEE80211_FEXT_ERPUPDATE;
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+			}
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+		}
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+
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 		/*
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 		 * If scanning, just pass information to the scan module.
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 		 */
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Index: madwifi-ng-r2568-20070710/net80211/ieee80211_node.c
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===================================================================
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--- madwifi-ng-r2568-20070710.orig/net80211/ieee80211_node.c	2007-10-20 20:52:09.000000000 +0200
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+++ madwifi-ng-r2568-20070710/net80211/ieee80211_node.c	2007-10-20 20:52:34.000000000 +0200
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@@ -332,10 +332,16 @@
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 	/* Update country ie information */
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 	ieee80211_build_countryie(ic);
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-	if (IEEE80211_IS_CHAN_HALF(chan))
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+	if (IEEE80211_IS_CHAN_HALF(chan)) {
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 		ni->ni_rates = ic->ic_sup_half_rates;
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-	else if (IEEE80211_IS_CHAN_QUARTER(chan))
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+	} else if (IEEE80211_IS_CHAN_QUARTER(chan)) {
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 		ni->ni_rates = ic->ic_sup_quarter_rates;
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+	}
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+
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+	if ((vap->iv_flags & IEEE80211_F_PUREG) &&
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+		IEEE80211_IS_CHAN_ANYG(chan)) {
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+		ieee80211_setpuregbasicrates(&ni->ni_rates);
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+	}
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 	(void) ieee80211_sta_join1(PASS_NODE(ni));
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 }
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Index: madwifi-ng-r2568-20070710/net80211/ieee80211_proto.c
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===================================================================
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--- madwifi-ng-r2568-20070710.orig/net80211/ieee80211_proto.c	2007-10-20 20:52:09.000000000 +0200
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+++ madwifi-ng-r2568-20070710/net80211/ieee80211_proto.c	2007-10-20 20:52:09.000000000 +0200
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@@ -586,6 +586,28 @@
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 	{ 4, { 2, 4, 11, 22 } },	/* IEEE80211_MODE_TURBO_G (mixed b/g) */
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 };
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+static const struct ieee80211_rateset basicpureg[] = {
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+    { 7, {2, 4, 11, 22, 12, 24, 48 } },
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+};
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+
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+/*
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+ * Mark basic rates for the 11g rate table based on the pureg setting
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+ */
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+void
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+ieee80211_setpuregbasicrates(struct ieee80211_rateset *rs)
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+{
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+	int i, j;
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+
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+	for (i = 0; i < rs->rs_nrates; i++) {
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+		rs->rs_rates[i] &= IEEE80211_RATE_VAL;
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+		for (j = 0; j < basicpureg[0].rs_nrates; j++)
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+			if (basicpureg[0].rs_rates[j] == rs->rs_rates[i]) {
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+				rs->rs_rates[i] |= IEEE80211_RATE_BASIC;
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+				break;
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+			}
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+	}
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+}
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+
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 /*
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  * Mark the basic rates for the 11g rate table based on the
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  * specified mode.  For 11b compatibility we mark only 11b
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Index: madwifi-ng-r2568-20070710/net80211/ieee80211_var.h
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===================================================================
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--- madwifi-ng-r2568-20070710.orig/net80211/ieee80211_var.h	2007-10-20 20:52:09.000000000 +0200
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+++ madwifi-ng-r2568-20070710/net80211/ieee80211_var.h	2007-10-20 20:52:09.000000000 +0200
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@@ -592,6 +592,8 @@
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 void ieee80211_build_countryie(struct ieee80211com *);
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 int ieee80211_media_setup(struct ieee80211com *, struct ifmedia *, u_int32_t,
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 	ifm_change_cb_t, ifm_stat_cb_t);
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+void ieee80211_setpuregbasicrates(struct ieee80211_rateset *rs);
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+
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 /* Key update synchronization methods.  XXX should not be visible. */
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 static __inline void
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