From 139c321a0df141ad46fbade0dfc973d311ad5df3 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 11 Jul 2007 21:13:50 +0000
Subject: sync with latest madwifi snapshot, refresh patches, add tpc fix by
 mdtaylor (should fix #1949)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7929 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 package/madwifi/patches/125-tpc_PR_1435.patch | 87 +++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 package/madwifi/patches/125-tpc_PR_1435.patch

(limited to 'package/madwifi/patches/125-tpc_PR_1435.patch')

diff --git a/package/madwifi/patches/125-tpc_PR_1435.patch b/package/madwifi/patches/125-tpc_PR_1435.patch
new file mode 100644
index 000000000..5ecb9c655
--- /dev/null
+++ b/package/madwifi/patches/125-tpc_PR_1435.patch
@@ -0,0 +1,87 @@
+Index: madwifi-ng-r2568-20070710/ath/if_ath.c
+===================================================================
+--- madwifi-ng-r2568-20070710.orig/ath/if_ath.c	2007-07-11 22:59:42.904293522 +0200
++++ madwifi-ng-r2568-20070710/ath/if_ath.c	2007-07-11 22:59:44.052358947 +0200
+@@ -273,9 +273,7 @@
+ static char *autocreate = NULL;
+ static char *ratectl = DEF_RATE_CTL;
+ static int rfkill = 0;
+-#ifdef ATH_CAP_TPC
+ static int tpc = 0;
+-#endif
+ static int countrycode = -1;
+ static int outdoor = -1;
+ static int xchanmode = -1;
+@@ -533,12 +531,6 @@
+ 		rfkill ? "on" : "off");
+ 	ath_hal_setrfsilent(ah, rfkill);
+ 
+-#ifdef ATH_CAP_TPC
+-	printk(KERN_INFO "ath_pci: ath_pci: switching per-packet transmit power control %s\n",
+-		tpc ? "on" : "off");
+-	ath_hal_settpc(ah, tpc);
+-#endif
+-
+ 	/*
+ 	 * Setup rate tables for all potential media types.
+ 	 */
+@@ -818,11 +810,18 @@
+ 	 */
+ #ifdef ATH_CAP_TPC
+ 	sc->sc_hastpc = ath_hal_hastpc(ah);
+-	if (sc->sc_hastpc || ath_hal_hastxpowlimit(ah))
++	if(tpc && !sc->sc_hastpc) {
++		printk(KERN_WARNING "ath_pci: WARNING: per-packet transmit power control was requested, but is not supported by the hardware.\n");
++		tpc = 0;
++	}
++	printk(KERN_INFO "ath_pci: switching per-packet transmit power control %s\n",
++		tpc ? "on" : "off");
++	ath_hal_settpc(ah, tpc);
+ #else
+ 	sc->sc_hastpc = 0;
+-	if (ath_hal_hastxpowlimit(ah))
++	tpc = 0; /* TPC is always zero, when compiled without ATH_CAP_TPC */
+ #endif
++	if (sc->sc_hastpc || ath_hal_hastxpowlimit(ah))
+ 		ic->ic_caps |= IEEE80211_C_TXPMGT;
+ 
+ 	/*
+@@ -1836,7 +1835,7 @@
+ 	ath_stop_locked(dev);
+ 
+ #ifdef ATH_CAP_TPC
+-	/* Re-enable after suspend (?) */
++	/* Re-enable after suspend */
+ 	ath_hal_settpc(ah, tpc);
+ #endif
+ 
+@@ -8787,26 +8786,17 @@
+ 	 * Search for the VAP that needs a txpow change, if any
+ 	 */
+ 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
+-#ifdef ATH_CAP_TPC
+-		if (ic->ic_newtxpowlimit == vap->iv_bss->ni_txpower) {
++		if (!tpc || ic->ic_newtxpowlimit >= vap->iv_bss->ni_txpower) {
+ 			vap->iv_bss->ni_txpower = clamped_txpow;
+ 			ieee80211_iterate_nodes(&vap->iv_ic->ic_sta, set_node_txpower, &clamped_txpow);
+ 		}
+-#else
+-		vap->iv_bss->ni_txpower = clamped_txpow;
+-		ieee80211_iterate_nodes(&vap->iv_ic->ic_sta, set_node_txpower, &clamped_txpow);
+-#endif
+ 	}
+ 
+ 	ic->ic_newtxpowlimit = sc->sc_curtxpow = clamped_txpow;
+ 
+-#ifdef ATH_CAP_TPC
+-	if (ic->ic_newtxpowlimit >= txpowlimit)
+-		ath_hal_settxpowlimit(ah, ic->ic_newtxpowlimit);
+-#else
+-	if (ic->ic_newtxpowlimit != txpowlimit)
++	if ((tpc && ic->ic_newtxpowlimit >= txpowlimit) ||
++	    (ic->ic_newtxpowlimit != txpowlimit))
+ 		ath_hal_settxpowlimit(ah, ic->ic_newtxpowlimit);
+-#endif
+ }
+ 
+ 
-- 
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