14 files changed, 129 insertions, 38 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 45b86ab45d51..36aadf6003b9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2547,12 +2547,10 @@ W:	http://www.tazenda.demon.co.uk/phil/linux-hp
 S:      Maintained
 
 MAC80211
-P:      Michael Wu
-M:      flamingice@sourmilk.net
 P:      Johannes Berg
 M:      johannes@sipsolutions.net
-P:      Jiri Benc
-M:      jbenc@suse.cz
+P:      Michael Wu
+M:      flamingice@sourmilk.net
 L:      linux-wireless@vger.kernel.org
 W:      http://linuxwireless.org/
 T:      git kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.git
diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
index 87e782291a01..5fb1ae6ad3e2 100644
--- a/drivers/net/wireless/ath5k/hw.c
+++ b/drivers/net/wireless/ath5k/hw.c
@@ -304,14 +304,20 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version)
                 ah->ah_radio = AR5K_RF2413;
                 ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112A;
         } else if (ah->ah_radio_5ghz_revision < AR5K_SREV_RAD_SC2) {
-
                 ah->ah_radio = AR5K_RF5413;
+                ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112A;
+        } else if (ah->ah_radio_5ghz_revision < AR5K_SREV_RAD_5133) {
 
-                if (ah->ah_mac_srev <= AR5K_SREV_VER_AR5424 &&
-                        ah->ah_mac_srev >= AR5K_SREV_VER_AR2424)
+                /* AR5424 */
+                if (srev >= AR5K_SREV_VER_AR5424) {
+                        ah->ah_radio = AR5K_RF5413;
                         ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5424;
-                else
+                /* AR2424 */
+                } else {
+                        ah->ah_radio = AR5K_RF2413; /* For testing */
                         ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112A;
+                }
+
         /*
          * Register returns 0x4 for radio revision
          * so ath5k_hw_radio_revision doesn't parse the value
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 21c886a9a1d9..6dcbb3c87e72 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -980,6 +980,42 @@ void b43_dma_free(struct b43_wldev *dev)
         destroy_ring(dma, tx_ring_mcast);
 }
 
+static int b43_dma_set_mask(struct b43_wldev *dev, u64 mask)
+{
+        u64 orig_mask = mask;
+        bool fallback = 0;
+        int err;
+
+        /* Try to set the DMA mask. If it fails, try falling back to a
+         * lower mask, as we can always also support a lower one. */
+        while (1) {
+                err = ssb_dma_set_mask(dev->dev, mask);
+                if (!err)
+                        break;
+                if (mask == DMA_64BIT_MASK) {
+                        mask = DMA_32BIT_MASK;
+                        fallback = 1;
+                        continue;
+                }
+                if (mask == DMA_32BIT_MASK) {
+                        mask = DMA_30BIT_MASK;
+                        fallback = 1;
+                        continue;
+                }
+                b43err(dev->wl, "The machine/kernel does not support "
+                       "the required %u-bit DMA mask\n",
+                       (unsigned int)dma_mask_to_engine_type(orig_mask));
+                return -EOPNOTSUPP;
+        }
+        if (fallback) {
+                b43info(dev->wl, "DMA mask fallback from %u-bit to %u-bit\n",
+                        (unsigned int)dma_mask_to_engine_type(orig_mask),
+                        (unsigned int)dma_mask_to_engine_type(mask));
+        }
+
+        return 0;
+}
+
 int b43_dma_init(struct b43_wldev *dev)
 {
         struct b43_dma *dma = &dev->dma;
@@ -989,14 +1025,9 @@ int b43_dma_init(struct b43_wldev *dev)
 
         dmamask = supported_dma_mask(dev);
         type = dma_mask_to_engine_type(dmamask);
-        err = ssb_dma_set_mask(dev->dev, dmamask);
-        if (err) {
-                b43err(dev->wl, "The machine/kernel does not support "
-                       "the required DMA mask (0x%08X%08X)\n",
-                       (unsigned int)((dmamask & 0xFFFFFFFF00000000ULL) >> 32),
-                       (unsigned int)(dmamask & 0x00000000FFFFFFFFULL));
-                return -EOPNOTSUPP;
-        }
+        err = b43_dma_set_mask(dev, dmamask);
+        if (err)
+                return err;
 
         err = -ENOMEM;
         /* setup TX DMA channels. */
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index cf5c046c9fa8..94a0cdeb39a8 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -84,6 +84,10 @@ int b43_modparam_qos = 1;
 module_param_named(qos, b43_modparam_qos, int, 0444);
 MODULE_PARM_DESC(qos, "Enable QOS support (default on)");
 
+static int modparam_btcoex = 1;
+module_param_named(btcoex, modparam_btcoex, int, 0444);
+MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistance (default on)");
+
 
 static const struct ssb_device_id b43_ssb_tbl[] = {
         SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5),
@@ -3706,8 +3710,10 @@ static void setup_struct_wldev_for_init(struct b43_wldev *dev)
 static void b43_bluetooth_coext_enable(struct b43_wldev *dev)
 {
         struct ssb_sprom *sprom = &dev->dev->bus->sprom;
-        u32 hf;
+        u64 hf;
 
+        if (!modparam_btcoex)
+                return;
         if (!(sprom->boardflags_lo & B43_BFL_BTCOEXIST))
                 return;
         if (dev->phy.type != B43_PHYTYPE_B && !dev->phy.gmode)
@@ -3719,11 +3725,13 @@ static void b43_bluetooth_coext_enable(struct b43_wldev *dev)
         else
                 hf |= B43_HF_BTCOEX;
         b43_hf_write(dev, hf);
-        //TODO
 }
 
 static void b43_bluetooth_coext_disable(struct b43_wldev *dev)
-{                               //TODO
+{
+        if (!modparam_btcoex)
+                return;
+        //TODO
 }
 
 static void b43_imcfglo_timeouts_workaround(struct b43_wldev *dev)
@@ -3852,7 +3860,8 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
         struct ssb_sprom *sprom = &bus->sprom;
         struct b43_phy *phy = &dev->phy;
         int err;
-        u32 hf, tmp;
+        u64 hf;
+        u32 tmp;
 
         B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT);
 
@@ -4414,8 +4423,16 @@ static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl)
         return err;
 }
 
+#define IS_PDEV(pdev, _vendor, _device, _subvendor, _subdevice)         ( \
+        (pdev->vendor == PCI_VENDOR_ID_##_vendor) &&                    \
+        (pdev->device == _device) &&                                    \
+        (pdev->subsystem_vendor == PCI_VENDOR_ID_##_subvendor) &&       \
+        (pdev->subsystem_device == _subdevice)                          )
+
 static void b43_sprom_fixup(struct ssb_bus *bus)
 {
+        struct pci_dev *pdev;
+
         /* boardflags workarounds */
         if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL &&
             bus->chip_id == 0x4301 && bus->boardinfo.rev == 0x74)
@@ -4423,6 +4440,13 @@ static void b43_sprom_fixup(struct ssb_bus *bus)
         if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
             bus->boardinfo.type == 0x4E && bus->boardinfo.rev > 0x40)
                 bus->sprom.boardflags_lo |= B43_BFL_PACTRL;
+        if (bus->bustype == SSB_BUSTYPE_PCI) {
+                pdev = bus->host_pci;
+                if (IS_PDEV(pdev, BROADCOM, 0x4318, ASUSTEK, 0x100F) ||
+                    IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0015) ||
+                    IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0013))
+                        bus->sprom.boardflags_lo &= ~B43_BFL_BTCOEXIST;
+        }
 }
 
 static void b43_wireless_exit(struct ssb_device *dev, struct b43_wl *wl)
diff --git a/drivers/net/wireless/b43/phy.c b/drivers/net/wireless/b43/phy.c
index 575c5436ebdf..de024dc03718 100644
--- a/drivers/net/wireless/b43/phy.c
+++ b/drivers/net/wireless/b43/phy.c
@@ -2043,7 +2043,7 @@ int b43_phy_init(struct b43_wldev *dev)
 void b43_set_rx_antenna(struct b43_wldev *dev, int antenna)
 {
         struct b43_phy *phy = &dev->phy;
-        u32 hf;
+        u64 hf;
         u16 tmp;
         int autodiv = 0;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 1a5678fe4224..a1a0b3c581f1 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -6907,7 +6907,6 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw,
 
         if (priv->vif != vif) {
                 IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
-                mutex_unlock(&priv->mutex);
                 return 0;
         }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index d7e2358a213a..d0bbcaaeb94c 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -6473,7 +6473,6 @@ static int iwl4965_mac_config_interface(struct ieee80211_hw *hw,
 
         if (priv->vif != vif) {
                 IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
-                mutex_unlock(&priv->mutex);
                 return 0;
         }
 
diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c
index e5b3c282009c..5b375b289036 100644
--- a/drivers/net/wireless/prism54/isl_ioctl.c
+++ b/drivers/net/wireless/prism54/isl_ioctl.c
@@ -1186,7 +1186,7 @@ prism54_get_encode(struct net_device *ndev, struct iw_request_info *info,
         rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
         devindex = r.u;
         /* Now get the key, return it */
-        if ((index < 0) || (index > 3))
+        if (index == -1 || index > 3)
                 /* no index provided, use the current one */
                 index = devindex;
         rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYX, index, NULL, &r);
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 977751f372ff..d0b1fb15c709 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -2402,7 +2402,6 @@ static int bcm4320_early_init(struct usbnet *dev)
         priv->param_power_output = modparam_power_output;
         priv->param_roamtrigger  = modparam_roamtrigger;
         priv->param_roamdelta    = modparam_roamdelta;
-        priv->param_workaround_interval = modparam_workaround_interval;
 
         priv->param_country[0] = toupper(priv->param_country[0]);
         priv->param_country[1] = toupper(priv->param_country[1]);
@@ -2425,8 +2424,10 @@ static int bcm4320_early_init(struct usbnet *dev)
         else if (priv->param_roamdelta > 2)
                 priv->param_roamdelta = 2;
 
-        if (priv->param_workaround_interval < 0)
+        if (modparam_workaround_interval < 0)
                 priv->param_workaround_interval = 500;
+        else
+                priv->param_workaround_interval = modparam_workaround_interval;
 
         rndis_set_config_parameter_str(dev, "Country", priv->param_country);
         rndis_set_config_parameter_str(dev, "FrameBursting",
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index 904b1a8d0885..57c4ccfab1ee 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -484,6 +484,11 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
                         goto unsupported;
         }
 
+        if (out->boardflags_lo == 0xFFFF)
+                out->boardflags_lo = 0;  /* per specs */
+        if (out->boardflags_hi == 0xFFFF)
+                out->boardflags_hi = 0;  /* per specs */
+
         return 0;
 unsupported:
         ssb_printk(KERN_WARNING PFX "Unsupported SPROM revision %d "
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index f27d11ab418b..529f301d9372 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -465,13 +465,19 @@ enum ieee80211_eid {
         WLAN_EID_TS_DELAY = 43,
         WLAN_EID_TCLAS_PROCESSING = 44,
         WLAN_EID_QOS_CAPA = 46,
-        /* 802.11s */
-        WLAN_EID_MESH_CONFIG = 36,      /* Pending IEEE 802.11 ANA approval */
-        WLAN_EID_MESH_ID = 37,          /* Pending IEEE 802.11 ANA approval */
-        WLAN_EID_PEER_LINK = 40,        /* Pending IEEE 802.11 ANA approval */
-        WLAN_EID_PREQ = 53,             /* Pending IEEE 802.11 ANA approval */
-        WLAN_EID_PREP = 54,             /* Pending IEEE 802.11 ANA approval */
-        WLAN_EID_PERR = 55,             /* Pending IEEE 802.11 ANA approval */
+        /* 802.11s
+         *
+         * All mesh EID numbers are pending IEEE 802.11 ANA approval.
+         * The numbers have been incremented from those suggested in
+         * 802.11s/D2.0 so that MESH_CONFIG does not conflict with
+         * EXT_SUPP_RATES.
+         */
+        WLAN_EID_MESH_CONFIG = 51,
+        WLAN_EID_MESH_ID = 52,
+        WLAN_EID_PEER_LINK = 55,
+        WLAN_EID_PREQ = 68,
+        WLAN_EID_PREP = 69,
+        WLAN_EID_PERR = 70,
         /* 802.11h */
         WLAN_EID_PWR_CONSTRAINT = 32,
         WLAN_EID_PWR_CAPABILITY = 33,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6b75cb6c6300..a5e5c31c23ab 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2248,10 +2248,13 @@ static void ieee80211_rx_bss_put(struct net_device *dev,
                                  struct ieee80211_sta_bss *bss)
 {
         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-        if (!atomic_dec_and_test(&bss->users))
+
+        local_bh_disable();
+        if (!atomic_dec_and_lock(&bss->users, &local->sta_bss_lock)) {
+                local_bh_enable();
                 return;
+        }
 
-        spin_lock_bh(&local->sta_bss_lock);
         __ieee80211_rx_bss_hash_del(dev, bss);
         list_del(&bss->list);
         spin_unlock_bh(&local->sta_bss_lock);
@@ -2709,7 +2712,26 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
                         bss->wmm_ie_len = elems.wmm_param_len + 2;
                 } else
                         bss->wmm_ie_len = 0;
-        } else if (!elems.wmm_param && bss->wmm_ie) {
+        } else if (elems.wmm_info &&
+                    (!bss->wmm_ie || bss->wmm_ie_len != elems.wmm_info_len ||
+                     memcmp(bss->wmm_ie, elems.wmm_info, elems.wmm_info_len))) {
+                 /* As for certain AP's Fifth bit is not set in WMM IE in
+                  * beacon frames.So while parsing the beacon frame the
+                  * wmm_info structure is used instead of wmm_param.
+                  * wmm_info structure was never used to set bss->wmm_ie.
+                  * This code fixes this problem by copying the WME
+                  * information from wmm_info to bss->wmm_ie and enabling
+                  * n-band association.
+                  */
+                kfree(bss->wmm_ie);
+                bss->wmm_ie = kmalloc(elems.wmm_info_len + 2, GFP_ATOMIC);
+                if (bss->wmm_ie) {
+                        memcpy(bss->wmm_ie, elems.wmm_info - 2,
+                               elems.wmm_info_len + 2);
+                        bss->wmm_ie_len = elems.wmm_info_len + 2;
+                } else
+                        bss->wmm_ie_len = 0;
+        } else if (!elems.wmm_param && !elems.wmm_info && bss->wmm_ie) {
                 kfree(bss->wmm_ie);
                 bss->wmm_ie = NULL;
                 bss->wmm_ie_len = 0;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 52e4554fdde7..02f436a86061 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2170,7 +2170,7 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
         struct ieee80211_supported_band *sband;
 
         if (status->band < 0 ||
-            status->band > IEEE80211_NUM_BANDS) {
+            status->band >= IEEE80211_NUM_BANDS) {
                 WARN_ON(1);
                 return;
         }
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 4e94e4026e78..64faa3dc488f 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -709,7 +709,7 @@ void ieee80211_requeue(struct ieee80211_local *local, int queue)
         struct ieee80211_sched_data *q = qdisc_priv(root_qd);
         struct Qdisc *qdisc = q->queues[queue];
         struct sk_buff *skb = NULL;
-        u32 len = qdisc->q.qlen;
+        u32 len;
 
         if (!qdisc || !qdisc->dequeue)
                 return;