--- /dev/null
+Index: madwifi-trunk-r3776/ath/if_ath.c
+===================================================================
+--- madwifi-trunk-r3776.orig/ath/if_ath.c 2008-07-17 01:46:37.000000000 +0200
++++ madwifi-trunk-r3776/ath/if_ath.c 2008-07-17 01:46:44.000000000 +0200
+@@ -4250,7 +4250,9 @@
+ 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)
+ rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
+Index: madwifi-trunk-r3776/net80211/ieee80211_input.c
+===================================================================
+--- madwifi-trunk-r3776.orig/net80211/ieee80211_input.c 2008-07-17 01:41:16.000000000 +0200
++++ madwifi-trunk-r3776/net80211/ieee80211_input.c 2008-07-17 01:46:44.000000000 +0200
+@@ -325,11 +325,12 @@
+ 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_bssid) &&
+- !IEEE80211_ADDR_EQ(bssid, dev->broadcast)) {
++ !IEEE80211_ADDR_EQ(bssid, dev->broadcast) &&
++ (subtype != IEEE80211_FC0_SUBTYPE_BEACON)) {
++#ifdef ATH_SUPERG_XR
+ /*
+ * allow MGT frames to vap->iv_xrvap.
+ * this will allow roaming between XR and normal vaps
+@@ -345,18 +346,14 @@
+ vap->iv_stats.is_rx_wrongbss++;
+ goto out;
+ }
+- }
+ #else
+- if (!IEEE80211_ADDR_EQ(bssid, vap->iv_bssid) &&
+- !IEEE80211_ADDR_EQ(bssid, dev->broadcast)) {
+ /* not interested in */
+ IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
+ bssid, NULL, "%s", "not to bss");
+ vap->iv_stats.is_rx_wrongbss++;
+ goto out;
+- }
+-
+ #endif
++ }
+ break;
+ case IEEE80211_M_WDS:
+ if (skb->len < sizeof(struct ieee80211_frame_addr4)) {
+@@ -3019,7 +3016,7 @@
+ u_int8_t *frm, *efrm;
+ u_int8_t *ssid, *rates, *xrates, *suppchan, *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;
+
+ if (ni_or_null == NULL)
+@@ -3049,11 +3046,15 @@
+ * 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 0;
+ }
+@@ -3137,6 +3138,7 @@
+ break;
+ }
+ scan.erp = frm[2];
++ has_erp = 1;
+ break;
+ case IEEE80211_ELEMID_RSN:
+ scan.rsn = frm;
+@@ -3374,6 +3376,20 @@
+ ieee80211_bg_scan(vap);
+ return 0;
+ }
++
++ /* 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-trunk-r3776/net80211/ieee80211_node.c
+===================================================================
+--- madwifi-trunk-r3776.orig/net80211/ieee80211_node.c 2008-07-17 00:53:20.000000000 +0200
++++ madwifi-trunk-r3776/net80211/ieee80211_node.c 2008-07-17 01:46:44.000000000 +0200
+@@ -345,10 +345,16 @@
+ /* 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-trunk-r3776/net80211/ieee80211_proto.c
+===================================================================
+--- madwifi-trunk-r3776.orig/net80211/ieee80211_proto.c 2008-07-17 00:21:29.000000000 +0200
++++ madwifi-trunk-r3776/net80211/ieee80211_proto.c 2008-07-17 01:46:44.000000000 +0200
+@@ -599,6 +599,28 @@
+ { 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-trunk-r3776/net80211/ieee80211_var.h
+===================================================================
+--- madwifi-trunk-r3776.orig/net80211/ieee80211_var.h 2008-07-17 00:53:20.000000000 +0200
++++ madwifi-trunk-r3776/net80211/ieee80211_var.h 2008-07-17 01:46:44.000000000 +0200
+@@ -712,6 +712,7 @@
+ void ieee80211_build_sc_ie(struct ieee80211com *);
+ void ieee80211_dfs_action(struct ieee80211com *);
+ void ieee80211_expire_channel_excl_restrictions(struct ieee80211com *);
++void ieee80211_setpuregbasicrates(struct ieee80211_rateset *rs);
+
+ /*
+ * Iterate through ic_channels to enumerate all distinct ic_ieee channel numbers.
projects / openwrt.git / blobdiff