mac80211: upgrade to compat-wireless 2010-01-15

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19176 3c298f89-4303-0410-b956-a3cf2f4a3e73

14 files changed, 9 insertions, 393 deletions

diff --git a/package/mac80211/patches/020-fix_compat_h.patch b/package/mac80211/patches/020-fix_compat_h.patch
index 7f90cf4dc..b001cf2ed 100644
--- a/package/mac80211/patches/020-fix_compat_h.patch
+++ b/package/mac80211/patches/020-fix_compat_h.patch
@@ -1,6 +1,6 @@
 --- a/include/linux/compat-2.6.32.h
 +++ b/include/linux/compat-2.6.32.h
-@@ -7,7 +7,7 @@
+@@ -6,7 +6,7 @@
  #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32))
  
  #include <linux/netdevice.h>
@@ -8,4 +8,4 @@
 +#include <linux/compat.h>
  #include <net/iw_handler.h>
  #include <linux/workqueue.h>
- 
+ #include <linux/firmware.h>
diff --git a/package/mac80211/patches/021-fix_missing_ifdefs.patch b/package/mac80211/patches/021-fix_missing_ifdefs.patch
deleted file mode 100644
index 2c838ebac..000000000
--- a/package/mac80211/patches/021-fix_missing_ifdefs.patch
+++ /dev/null
@@ -1,18 +0,0 @@
---- a/compat/compat-2.6.33.c
-+++ b/compat/compat-2.6.33.c
-@@ -12,6 +12,7 @@
- 
- #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
- 
-+#ifdef CONFIG_PCCARD
- 
- /**
-  * pccard_loop_tuple() - loop over tuples in the CIS
-@@ -125,6 +126,7 @@ int pcmcia_loop_tuple(struct pcmcia_devi
- EXPORT_SYMBOL(pcmcia_loop_tuple);
- /* Source: drivers/pcmcia/pcmcia_resource.c */
- 
-+#endif
- 
- #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)) */
- 
diff --git a/package/mac80211/patches/300-ath9k_fix_init_crash.patch b/package/mac80211/patches/300-ath9k_fix_init_crash.patch
deleted file mode 100644
index 8f3540b5d..000000000
--- a/package/mac80211/patches/300-ath9k_fix_init_crash.patch
+++ /dev/null
@@ -1,35 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/ahb.c
-+++ b/drivers/net/wireless/ath/ath9k/ahb.c
-@@ -121,6 +121,9 @@ static int ath_ahb_probe(struct platform
- 	sc->mem = mem;
- 	sc->irq = irq;
- 
-+	/* Will be cleared in ath9k_start() */
-+	sc->sc_flags |= SC_OP_INVALID;
-+
- 	ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc);
- 	if (ret) {
- 		dev_err(&pdev->dev, "request_irq failed\n");
---- a/drivers/net/wireless/ath/ath9k/init.c
-+++ b/drivers/net/wireless/ath/ath9k/init.c
-@@ -534,8 +534,6 @@ static int ath9k_init_softc(u16 devid, s
- 	int ret = 0, i;
- 	int csz = 0;
- 
--	sc->sc_flags |= SC_OP_INVALID;
--
- 	ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
- 	if (!ah)
- 		return -ENOMEM;
---- a/drivers/net/wireless/ath/ath9k/pci.c
-+++ b/drivers/net/wireless/ath/ath9k/pci.c
-@@ -202,6 +202,9 @@ static int ath_pci_probe(struct pci_dev 
- 	sc->dev = &pdev->dev;
- 	sc->mem = mem;
- 
-+	/* Will be cleared in ath9k_start() */
-+	sc->sc_flags |= SC_OP_INVALID;
-+
- 	ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
- 	if (ret) {
- 		dev_err(&pdev->dev, "request_irq failed\n");
diff --git a/package/mac80211/patches/301-mac80211_tx_queue_wake.patch b/package/mac80211/patches/301-mac80211_tx_queue_wake.patch
deleted file mode 100644
index 1934fccac..000000000
--- a/package/mac80211/patches/301-mac80211_tx_queue_wake.patch
+++ /dev/null
@@ -1,15 +0,0 @@
---- a/net/mac80211/offchannel.c
-+++ b/net/mac80211/offchannel.c
-@@ -153,9 +153,11 @@ void ieee80211_offchannel_return(struct 
- 		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- 			if (sdata->u.mgd.associated)
- 				ieee80211_offchannel_ps_disable(sdata);
--			netif_tx_wake_all_queues(sdata->dev);
- 		}
- 
-+		if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
-+			netif_tx_wake_all_queues(sdata->dev);
-+
- 		/* re-enable beaconing */
- 		if (enable_beaconing &&
- 		    (sdata->vif.type == NL80211_IFTYPE_AP ||
diff --git a/package/mac80211/patches/302-mac80211_pwr_mgmt_fix.patch b/package/mac80211/patches/302-mac80211_pwr_mgmt_fix.patch
index 628fc1d20..30a91840e 100644
--- a/package/mac80211/patches/302-mac80211_pwr_mgmt_fix.patch
+++ b/package/mac80211/patches/302-mac80211_pwr_mgmt_fix.patch
@@ -1,8 +1,8 @@
 --- a/net/mac80211/cfg.c
 +++ b/net/mac80211/cfg.c
-@@ -1384,6 +1384,9 @@ static int ieee80211_set_power_mgmt(stru
- 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- 	struct ieee80211_conf *conf = &local->hw.conf;
+@@ -1394,6 +1394,9 @@ static int ieee80211_set_power_mgmt(stru
+ 	if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ 		return -EOPNOTSUPP;
  
 +	if (sdata->vif.type != NL80211_IFTYPE_STATION)
 +		return 0;
diff --git a/package/mac80211/patches/403-ath9k-fix-invalid-mac-address-handling.patch b/package/mac80211/patches/403-ath9k-fix-invalid-mac-address-handling.patch
index 63cb3d979..c41495175 100644
--- a/package/mac80211/patches/403-ath9k-fix-invalid-mac-address-handling.patch
+++ b/package/mac80211/patches/403-ath9k-fix-invalid-mac-address-handling.patch
@@ -8,7 +8,7 @@
  #include <asm/unaligned.h>
  
  #include "hw.h"
-@@ -461,8 +462,18 @@ static int ath9k_hw_init_macaddr(struct 
+@@ -437,8 +438,18 @@ static int ath9k_hw_init_macaddr(struct 
  		common->macaddr[2 * i] = eeval >> 8;
  		common->macaddr[2 * i + 1] = eeval & 0xff;
  	}
diff --git a/package/mac80211/patches/406-ath9k-set-AH_USE_EEPROM-only-if-no-platform-data-present.patch b/package/mac80211/patches/406-ath9k-set-AH_USE_EEPROM-only-if-no-platform-data-present.patch
index c09935ee7..a83242f91 100644
--- a/package/mac80211/patches/406-ath9k-set-AH_USE_EEPROM-only-if-no-platform-data-present.patch
+++ b/package/mac80211/patches/406-ath9k-set-AH_USE_EEPROM-only-if-no-platform-data-present.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -403,11 +403,8 @@ static void ath9k_hw_init_defaults(struc
+@@ -381,11 +381,8 @@ static void ath9k_hw_init_defaults(struc
  	ah->hw_version.magic = AR5416_MAGIC;
  	ah->hw_version.subvendorid = 0;
  
diff --git a/package/mac80211/patches/407-ath9k-override-mac-address-from-platform-data.patch b/package/mac80211/patches/407-ath9k-override-mac-address-from-platform-data.patch
index 615de77a5..dae663dd7 100644
--- a/package/mac80211/patches/407-ath9k-override-mac-address-from-platform-data.patch
+++ b/package/mac80211/patches/407-ath9k-override-mac-address-from-platform-data.patch
@@ -11,7 +11,7 @@
  #include "hw.h"
  #include "rc.h"
  #include "initvals.h"
-@@ -448,17 +450,23 @@ static int ath9k_hw_rf_claim(struct ath_
+@@ -424,17 +426,23 @@ static int ath9k_hw_rf_claim(struct ath_
  static int ath9k_hw_init_macaddr(struct ath_hw *ah)
  {
  	struct ath_common *common = ath9k_hw_common(ah);
diff --git a/package/mac80211/patches/408-ath9k_tweak_rx_intr_mitigation.patch b/package/mac80211/patches/408-ath9k_tweak_rx_intr_mitigation.patch
index b900f411f..e3df0ad14 100644
--- a/package/mac80211/patches/408-ath9k_tweak_rx_intr_mitigation.patch
+++ b/package/mac80211/patches/408-ath9k_tweak_rx_intr_mitigation.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2109,7 +2109,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -2088,7 +2088,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  
  	if (ah->config.rx_intr_mitigation) {
  		REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
diff --git a/package/mac80211/patches/570-ath9k_fix_rts_cts.patch b/package/mac80211/patches/540-ath9k_fix_rts_cts.patch
index 789623c67..789623c67 100644
--- a/package/mac80211/patches/570-ath9k_fix_rts_cts.patch
+++ b/package/mac80211/patches/540-ath9k_fix_rts_cts.patch
diff --git a/package/mac80211/patches/540-short_slot_handling.patch b/package/mac80211/patches/540-short_slot_handling.patch
deleted file mode 100644
index 70341473e..000000000
--- a/package/mac80211/patches/540-short_slot_handling.patch
+++ /dev/null
@@ -1,27 +0,0 @@
---- a/net/mac80211/mlme.c
-+++ b/net/mac80211/mlme.c
-@@ -670,6 +670,8 @@ static u32 ieee80211_handle_bss_capabili
- 	}
- 
- 	use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
-+	if (sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
-+		use_short_slot = true;
- 
- 	if (use_protection != bss_conf->use_cts_prot) {
- 		bss_conf->use_cts_prot = use_protection;
---- a/net/mac80211/cfg.c
-+++ b/net/mac80211/cfg.c
-@@ -1087,6 +1087,13 @@ static int ieee80211_change_bss(struct w
- 			params->use_short_preamble;
- 		changed |= BSS_CHANGED_ERP_PREAMBLE;
- 	}
-+
-+	if (!sdata->vif.bss_conf.use_short_slot &&
-+	    sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
-+		sdata->vif.bss_conf.use_short_slot = true;
-+		changed |= BSS_CHANGED_ERP_SLOT;
-+	}
-+
- 	if (params->use_short_slot_time >= 0) {
- 		sdata->vif.bss_conf.use_short_slot =
- 			params->use_short_slot_time;
diff --git a/package/mac80211/patches/580-ath9k_ack_timeout_workaround.patch b/package/mac80211/patches/550-ath9k_ack_timeout_workaround.patch
index 953c07af6..953c07af6 100644
--- a/package/mac80211/patches/580-ath9k_ack_timeout_workaround.patch
+++ b/package/mac80211/patches/550-ath9k_ack_timeout_workaround.patch
diff --git a/package/mac80211/patches/550-ath9k_clean_up_timing_handling.patch b/package/mac80211/patches/550-ath9k_clean_up_timing_handling.patch
deleted file mode 100644
index dc6502274..000000000
--- a/package/mac80211/patches/550-ath9k_clean_up_timing_handling.patch
+++ /dev/null
@@ -1,229 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1790,6 +1790,7 @@ static void ath9k_bss_info_changed(struc
- 	struct ath_hw *ah = sc->sc_ah;
- 	struct ath_common *common = ath9k_hw_common(ah);
- 	struct ath_vif *avp = (void *)vif->drv_priv;
-+	int slottime;
- 	int error;
- 
- 	mutex_lock(&sc->mutex);
-@@ -1825,6 +1826,25 @@ static void ath9k_bss_info_changed(struc
- 			ath_beacon_config(sc, vif);
- 	}
- 
-+	if (changed & BSS_CHANGED_ERP_SLOT) {
-+		if (bss_conf->use_short_slot)
-+			slottime = 9;
-+		else
-+			slottime = 20;
-+		if (vif->type == NL80211_IFTYPE_AP) {
-+			/*
-+			 * Defer update, so that connected stations can adjust
-+			 * their settings at the same time.
-+			 * See beacon.c for more details
-+			 */
-+			sc->beacon.slottime = slottime;
-+			sc->beacon.updateslot = UPDATE;
-+		} else {
-+			ah->slottime = slottime;
-+			ath9k_hw_init_global_settings(ah);
-+		}
-+	}
-+
- 	/* Disable transmission of beacons */
- 	if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon)
- 		ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -55,28 +55,6 @@ module_exit(ath9k_exit);
- /* Helper Functions */
- /********************/
- 
--static u32 ath9k_hw_mac_usec(struct ath_hw *ah, u32 clks)
--{
--	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
--
--	if (!ah->curchan) /* should really check for CCK instead */
--		return clks / ATH9K_CLOCK_RATE_CCK;
--	if (conf->channel->band == IEEE80211_BAND_2GHZ)
--		return clks / ATH9K_CLOCK_RATE_2GHZ_OFDM;
--
--	return clks / ATH9K_CLOCK_RATE_5GHZ_OFDM;
--}
--
--static u32 ath9k_hw_mac_to_usec(struct ath_hw *ah, u32 clks)
--{
--	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
--
--	if (conf_is_ht40(conf))
--		return ath9k_hw_mac_usec(ah, clks) / 2;
--	else
--		return ath9k_hw_mac_usec(ah, clks);
--}
--
- static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
- {
- 	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
-@@ -413,8 +391,6 @@ static void ath9k_hw_init_defaults(struc
- 	ah->beacon_interval = 100;
- 	ah->enable_32kHz_clock = DONT_USE_32KHZ;
- 	ah->slottime = (u32) -1;
--	ah->acktimeout = (u32) -1;
--	ah->ctstimeout = (u32) -1;
- 	ah->globaltxtimeout = (u32) -1;
- 	ah->power_mode = ATH9K_PM_UNDEFINED;
- }
-@@ -1196,34 +1172,25 @@ static void ath9k_hw_init_interrupt_mask
- 	}
- }
- 
--static bool ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
-+static void ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
- {
--	if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_ACK))) {
--		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
--			  "bad ack timeout %u\n", us);
--		ah->acktimeout = (u32) -1;
--		return false;
--	} else {
--		REG_RMW_FIELD(ah, AR_TIME_OUT,
--			      AR_TIME_OUT_ACK, ath9k_hw_mac_to_clks(ah, us));
--		ah->acktimeout = us;
--		return true;
--	}
-+	u32 val = ath9k_hw_mac_to_clks(ah, us);
-+	val = min(val, (u32) 0xFFFF);
-+	REG_WRITE(ah, AR_D_GBL_IFS_SLOT, val);
- }
- 
--static bool ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
-+static void ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
- {
--	if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_CTS))) {
--		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
--			  "bad cts timeout %u\n", us);
--		ah->ctstimeout = (u32) -1;
--		return false;
--	} else {
--		REG_RMW_FIELD(ah, AR_TIME_OUT,
--			      AR_TIME_OUT_CTS, ath9k_hw_mac_to_clks(ah, us));
--		ah->ctstimeout = us;
--		return true;
--	}
-+	u32 val = ath9k_hw_mac_to_clks(ah, us);
-+	val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_ACK));
-+	REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_ACK, val);
-+}
-+
-+static void ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
-+{
-+	u32 val = ath9k_hw_mac_to_clks(ah, us);
-+	val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_CTS));
-+	REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_CTS, val);
- }
- 
- static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
-@@ -1240,23 +1207,32 @@ static bool ath9k_hw_set_global_txtimeou
- 	}
- }
- 
--static void ath9k_hw_init_user_settings(struct ath_hw *ah)
-+void ath9k_hw_init_global_settings(struct ath_hw *ah)
- {
-+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
-+	int acktimeout;
-+	int sifstime;
-+
- 	ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
- 		  ah->misc_mode);
- 
- 	if (ah->misc_mode != 0)
- 		REG_WRITE(ah, AR_PCU_MISC,
- 			  REG_READ(ah, AR_PCU_MISC) | ah->misc_mode);
--	if (ah->slottime != (u32) -1)
--		ath9k_hw_setslottime(ah, ah->slottime);
--	if (ah->acktimeout != (u32) -1)
--		ath9k_hw_set_ack_timeout(ah, ah->acktimeout);
--	if (ah->ctstimeout != (u32) -1)
--		ath9k_hw_set_cts_timeout(ah, ah->ctstimeout);
-+
-+	if (conf->channel && conf->channel->band == IEEE80211_BAND_5GHZ)
-+		sifstime = 16;
-+	else
-+		sifstime = 10;
-+
-+	acktimeout = ah->slottime + sifstime;
-+	ath9k_hw_setslottime(ah, ah->slottime);
-+	ath9k_hw_set_ack_timeout(ah, acktimeout);
-+	ath9k_hw_set_cts_timeout(ah, acktimeout);
- 	if (ah->globaltxtimeout != (u32) -1)
- 		ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout);
- }
-+EXPORT_SYMBOL(ath9k_hw_init_global_settings);
- 
- void ath9k_hw_deinit(struct ath_hw *ah)
- {
-@@ -2077,7 +2053,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
- 	if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
- 		ath9k_enable_rfkill(ah);
- 
--	ath9k_hw_init_user_settings(ah);
-+	ath9k_hw_init_global_settings(ah);
- 
- 	if (AR_SREV_9287_12_OR_LATER(ah)) {
- 		REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
-@@ -3674,21 +3650,6 @@ u64 ath9k_hw_extend_tsf(struct ath_hw *a
- }
- EXPORT_SYMBOL(ath9k_hw_extend_tsf);
- 
--bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
--{
--	if (us < ATH9K_SLOT_TIME_9 || us > ath9k_hw_mac_to_usec(ah, 0xffff)) {
--		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
--			  "bad slot time %u\n", us);
--		ah->slottime = (u32) -1;
--		return false;
--	} else {
--		REG_WRITE(ah, AR_D_GBL_IFS_SLOT, ath9k_hw_mac_to_clks(ah, us));
--		ah->slottime = us;
--		return true;
--	}
--}
--EXPORT_SYMBOL(ath9k_hw_setslottime);
--
- void ath9k_hw_set11nmac2040(struct ath_hw *ah)
- {
- 	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
---- a/drivers/net/wireless/ath/ath9k/hw.h
-+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -553,8 +553,6 @@ struct ath_hw {
- 	int16_t txpower_indexoffset;
- 	u32 beacon_interval;
- 	u32 slottime;
--	u32 acktimeout;
--	u32 ctstimeout;
- 	u32 globaltxtimeout;
- 
- 	/* ANI */
-@@ -668,7 +666,7 @@ void ath9k_hw_settsf64(struct ath_hw *ah
- void ath9k_hw_reset_tsf(struct ath_hw *ah);
- void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting);
- u64 ath9k_hw_extend_tsf(struct ath_hw *ah, u32 rstamp);
--bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us);
-+void ath9k_hw_init_global_settings(struct ath_hw *ah);
- void ath9k_hw_set11nmac2040(struct ath_hw *ah);
- void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
- void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
---- a/drivers/net/wireless/ath/ath9k/beacon.c
-+++ b/drivers/net/wireless/ath/ath9k/beacon.c
-@@ -480,7 +480,8 @@ void ath_beacon_tasklet(unsigned long da
- 		sc->beacon.updateslot = COMMIT; /* commit next beacon */
- 		sc->beacon.slotupdate = slot;
- 	} else if (sc->beacon.updateslot == COMMIT && sc->beacon.slotupdate == slot) {
--		ath9k_hw_setslottime(sc->sc_ah, sc->beacon.slottime);
-+		ah->slottime = sc->beacon.slottime;
-+		ath9k_hw_init_global_settings(ah);
- 		sc->beacon.updateslot = OK;
- 	}
- 	if (bfaddr != 0) {
diff --git a/package/mac80211/patches/560-ath9k_coverage_class.patch b/package/mac80211/patches/560-ath9k_coverage_class.patch
deleted file mode 100644
index 035eabb1f..000000000
--- a/package/mac80211/patches/560-ath9k_coverage_class.patch
+++ /dev/null
@@ -1,60 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1211,6 +1211,7 @@ void ath9k_hw_init_global_settings(struc
- {
- 	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
- 	int acktimeout;
-+	int slottime;
- 	int sifstime;
- 
- 	ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
-@@ -1225,8 +1226,10 @@ void ath9k_hw_init_global_settings(struc
- 	else
- 		sifstime = 10;
- 
--	acktimeout = ah->slottime + sifstime;
--	ath9k_hw_setslottime(ah, ah->slottime);
-+	/* As defined by IEEE 802.11-2007 17.3.8.6 */
-+	slottime = ah->slottime + 3 * ah->coverage_class;
-+	acktimeout = slottime + sifstime;
-+	ath9k_hw_setslottime(ah, slottime);
- 	ath9k_hw_set_ack_timeout(ah, acktimeout);
- 	ath9k_hw_set_cts_timeout(ah, acktimeout);
- 	if (ah->globaltxtimeout != (u32) -1)
---- a/drivers/net/wireless/ath/ath9k/hw.h
-+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -551,6 +551,7 @@ struct ath_hw {
- 	u32 *bank6Temp;
- 
- 	int16_t txpower_indexoffset;
-+	int coverage_class;
- 	u32 beacon_interval;
- 	u32 slottime;
- 	u32 globaltxtimeout;
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -2015,6 +2015,18 @@ static void ath9k_sw_scan_complete(struc
- 	mutex_unlock(&sc->mutex);
- }
- 
-+static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
-+{
-+	struct ath_wiphy *aphy = hw->priv;
-+	struct ath_softc *sc = aphy->sc;
-+	struct ath_hw *ah = sc->sc_ah;
-+
-+	mutex_lock(&sc->mutex);
-+	ah->coverage_class = coverage_class;
-+	ath9k_hw_init_global_settings(ah);
-+	mutex_unlock(&sc->mutex);
-+}
-+
- struct ieee80211_ops ath9k_ops = {
- 	.tx 		    = ath9k_tx,
- 	.start 		    = ath9k_start,
-@@ -2034,4 +2046,5 @@ struct ieee80211_ops ath9k_ops = {
- 	.sw_scan_start      = ath9k_sw_scan_start,
- 	.sw_scan_complete   = ath9k_sw_scan_complete,
- 	.rfkill_poll        = ath9k_rfkill_poll_state,
-+	.set_coverage_class = ath9k_set_coverage_class,
- };