PKG_NAME:=mac80211
-PKG_VERSION:=2010-01-13
+PKG_VERSION:=2010-01-15
PKG_RELEASE:=1
PKG_SOURCE_URL:=http://mirror2.openwrt.org/sources
# http://www.orbit-lab.org/kernel/compat-wireless-2.6/2010/11 \
# http://wireless.kernel.org/download/compat-wireless-2.6
-PKG_MD5SUM:=b773266f141a1a6349b6e09b84948f02
+PKG_MD5SUM:=aa6f80ad3fcc2b663e62c7b80d37abd3
PKG_SOURCE:=compat-wireless-$(PKG_VERSION).tar.bz2
PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/compat-wireless-$(PKG_VERSION)
DEPENDS+= +kmod-crypto-arc4 +kmod-crypto-aes +wireless-tools +iw @!LINUX_2_6_21 @!LINUX_2_6_25
FILES:= \
$(PKG_BUILD_DIR)/compat/compat.$(LINUX_KMOD_SUFFIX) \
+ $(PKG_BUILD_DIR)/compat/compat_firmware_class.$(LINUX_KMOD_SUFFIX) \
$(PKG_BUILD_DIR)/net/mac80211/mac80211.$(LINUX_KMOD_SUFFIX) \
$(PKG_BUILD_DIR)/net/wireless/cfg80211.$(LINUX_KMOD_SUFFIX)
- AUTOLOAD:=$(call AutoLoad,20,compat cfg80211 mac80211)
+ AUTOLOAD:=$(call AutoLoad,20,compat compat_firmware_class cfg80211 mac80211)
endef
define KernelPackage/mac80211/config
--- 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>
+#include <linux/compat.h>
#include <net/iw_handler.h>
#include <linux/workqueue.h>
-
+ #include <linux/firmware.h>
+++ /dev/null
---- 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)) */
-
+++ /dev/null
---- 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");
+++ /dev/null
---- 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 ||
--- 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;
#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;
}
--- 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;
#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);
--- 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);
--- /dev/null
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -1498,26 +1498,6 @@ static void ath_buf_set_rate(struct ath_
+ if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
+ ctsrate |= rate->hw_value_short;
+
+- /*
+- * ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive.
+- * Check the first rate in the series to decide whether RTS/CTS
+- * or CTS-to-self has to be used.
+- */
+- if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
+- flags = ATH9K_TXDESC_CTSENA;
+- else if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
+- flags = ATH9K_TXDESC_RTSENA;
+-
+- /* FIXME: Handle aggregation protection */
+- if (sc->config.ath_aggr_prot &&
+- (!bf_isaggr(bf) || (bf_isaggr(bf) && bf->bf_al < 8192))) {
+- flags = ATH9K_TXDESC_RTSENA;
+- }
+-
+- /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
+- if (bf_isaggr(bf) && (bf->bf_al > sc->sc_ah->caps.rts_aggr_limit))
+- flags &= ~(ATH9K_TXDESC_RTSENA);
+-
+ for (i = 0; i < 4; i++) {
+ bool is_40, is_sgi, is_sp;
+ int phy;
+@@ -1529,8 +1509,15 @@ static void ath_buf_set_rate(struct ath_
+ series[i].Tries = rates[i].count;
+ series[i].ChSel = common->tx_chainmask;
+
+- if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)
++ if ((sc->config.ath_aggr_prot && bf_isaggr(bf)) ||
++ (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)) {
+ series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
++ flags |= ATH9K_TXDESC_RTSENA;
++ } else if (rates[i].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
++ series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
++ flags |= ATH9K_TXDESC_CTSENA;
++ }
++
+ if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ series[i].RateFlags |= ATH9K_RATESERIES_2040;
+ if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
+@@ -1568,6 +1555,14 @@ static void ath_buf_set_rate(struct ath_
+ phy, rate->bitrate * 100, bf->bf_frmlen, rix, is_sp);
+ }
+
++ /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
++ if (bf_isaggr(bf) && (bf->bf_al > sc->sc_ah->caps.rts_aggr_limit))
++ flags &= ~ATH9K_TXDESC_RTSENA;
++
++ /* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
++ if (flags & ATH9K_TXDESC_RTSENA)
++ flags &= ~ATH9K_TXDESC_CTSENA;
++
+ /* set dur_update_en for l-sig computation except for PS-Poll frames */
+ ath9k_hw_set11n_ratescenario(sc->sc_ah, bf->bf_desc,
+ bf->bf_lastbf->bf_desc,
+++ /dev/null
---- 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;
--- /dev/null
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1229,6 +1229,11 @@ void ath9k_hw_init_global_settings(struc
+ /* As defined by IEEE 802.11-2007 17.3.8.6 */
+ slottime = ah->slottime + 3 * ah->coverage_class;
+ acktimeout = slottime + sifstime;
++
++ /* Workaround for a hw issue */
++ if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
++ acktimeout = max(64, acktimeout);
++
+ ath9k_hw_setslottime(ah, slottime);
+ ath9k_hw_set_ack_timeout(ah, acktimeout);
+ ath9k_hw_set_cts_timeout(ah, acktimeout);
+++ /dev/null
---- 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) {
+++ /dev/null
---- 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,
- };
+++ /dev/null
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -1498,26 +1498,6 @@ static void ath_buf_set_rate(struct ath_
- if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
- ctsrate |= rate->hw_value_short;
-
-- /*
-- * ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive.
-- * Check the first rate in the series to decide whether RTS/CTS
-- * or CTS-to-self has to be used.
-- */
-- if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
-- flags = ATH9K_TXDESC_CTSENA;
-- else if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
-- flags = ATH9K_TXDESC_RTSENA;
--
-- /* FIXME: Handle aggregation protection */
-- if (sc->config.ath_aggr_prot &&
-- (!bf_isaggr(bf) || (bf_isaggr(bf) && bf->bf_al < 8192))) {
-- flags = ATH9K_TXDESC_RTSENA;
-- }
--
-- /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
-- if (bf_isaggr(bf) && (bf->bf_al > sc->sc_ah->caps.rts_aggr_limit))
-- flags &= ~(ATH9K_TXDESC_RTSENA);
--
- for (i = 0; i < 4; i++) {
- bool is_40, is_sgi, is_sp;
- int phy;
-@@ -1529,8 +1509,15 @@ static void ath_buf_set_rate(struct ath_
- series[i].Tries = rates[i].count;
- series[i].ChSel = common->tx_chainmask;
-
-- if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)
-+ if ((sc->config.ath_aggr_prot && bf_isaggr(bf)) ||
-+ (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)) {
- series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
-+ flags |= ATH9K_TXDESC_RTSENA;
-+ } else if (rates[i].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
-+ series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
-+ flags |= ATH9K_TXDESC_CTSENA;
-+ }
-+
- if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
- series[i].RateFlags |= ATH9K_RATESERIES_2040;
- if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
-@@ -1568,6 +1555,14 @@ static void ath_buf_set_rate(struct ath_
- phy, rate->bitrate * 100, bf->bf_frmlen, rix, is_sp);
- }
-
-+ /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
-+ if (bf_isaggr(bf) && (bf->bf_al > sc->sc_ah->caps.rts_aggr_limit))
-+ flags &= ~ATH9K_TXDESC_RTSENA;
-+
-+ /* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
-+ if (flags & ATH9K_TXDESC_RTSENA)
-+ flags &= ~ATH9K_TXDESC_CTSENA;
-+
- /* set dur_update_en for l-sig computation except for PS-Poll frames */
- ath9k_hw_set11n_ratescenario(sc->sc_ah, bf->bf_desc,
- bf->bf_lastbf->bf_desc,
+++ /dev/null
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1229,6 +1229,11 @@ void ath9k_hw_init_global_settings(struc
- /* As defined by IEEE 802.11-2007 17.3.8.6 */
- slottime = ah->slottime + 3 * ah->coverage_class;
- acktimeout = slottime + sifstime;
-+
-+ /* Workaround for a hw issue */
-+ if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
-+ acktimeout = max(64, acktimeout);
-+
- ath9k_hw_setslottime(ah, slottime);
- ath9k_hw_set_ack_timeout(ah, acktimeout);
- ath9k_hw_set_cts_timeout(ah, acktimeout);
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