X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/0e9ca337996b5b4ef392bc92cde7f4bc9699b3ea..613e530afeab2eb78d7b4100420fd305662beab1:/package/madwifi/patches-r3776/301-pureg_fix.patch

diff --git a/package/madwifi/patches-r3776/301-pureg_fix.patch b/package/madwifi/patches-r3776/301-pureg_fix.patch
new file mode 100644
index 000000000..de8d83c05
--- /dev/null
+++ b/package/madwifi/patches-r3776/301-pureg_fix.patch
@@ -0,0 +1,178 @@
+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.