Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem

Conflicts:
	drivers/net/wireless/ath/ar9170/main.c

2 files changed, 95 insertions, 12 deletions

diff --git a/drivers/net/wireless/rtl818x/rtl8180.h b/drivers/net/wireless/rtl818x/rtl8180.h
index de3844fe06d8..4baf0cf0826f 100644
--- a/drivers/net/wireless/rtl818x/rtl8180.h
+++ b/drivers/net/wireless/rtl818x/rtl8180.h
@@ -55,6 +55,14 @@ struct rtl8180_tx_ring {
         struct sk_buff_head queue;
 };
 
+struct rtl8180_vif {
+        struct ieee80211_hw *dev;
+
+        /* beaconing */
+        struct delayed_work beacon_work;
+        bool enable_beacon;
+};
+
 struct rtl8180_priv {
         /* common between rtl818x drivers */
         struct rtl818x_csr __iomem *map;
@@ -78,6 +86,9 @@ struct rtl8180_priv {
         u32 anaparam;
         u16 rfparam;
         u8 csthreshold;
+
+        /* sequence # */
+        u16 seqno;
 };
 
 void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
diff --git a/drivers/net/wireless/rtl818x/rtl8180_dev.c b/drivers/net/wireless/rtl818x/rtl8180_dev.c
index 21307f2412b8..515817de2905 100644
--- a/drivers/net/wireless/rtl818x/rtl8180_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180_dev.c
@@ -234,6 +234,7 @@ static irqreturn_t rtl8180_interrupt(int irq, void *dev_id)
 static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
 {
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
         struct rtl8180_priv *priv = dev->priv;
         struct rtl8180_tx_ring *ring;
         struct rtl8180_tx_desc *entry;
@@ -285,6 +286,14 @@ static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
         }
 
         spin_lock_irqsave(&priv->lock, flags);
+
+        if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
+                if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
+                        priv->seqno += 0x10;
+                hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+                hdr->seq_ctrl |= cpu_to_le16(priv->seqno);
+        }
+
         idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
         entry = &ring->desc[idx];
 
@@ -299,6 +308,7 @@ static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
         __skb_queue_tail(&ring->queue, skb);
         if (ring->entries - skb_queue_len(&ring->queue) < 2)
                 ieee80211_stop_queue(dev, prio);
+
         spin_unlock_irqrestore(&priv->lock, flags);
 
         rtl818x_iowrite8(priv, &priv->map->TX_DMA_POLLING, (1 << (prio + 4)));
@@ -653,10 +663,59 @@ static void rtl8180_stop(struct ieee80211_hw *dev)
                 rtl8180_free_tx_ring(dev, i);
 }
 
+static u64 rtl8180_get_tsf(struct ieee80211_hw *dev)
+{
+        struct rtl8180_priv *priv = dev->priv;
+
+        return rtl818x_ioread32(priv, &priv->map->TSFT[0]) |
+               (u64)(rtl818x_ioread32(priv, &priv->map->TSFT[1])) << 32;
+}
+
+void rtl8180_beacon_work(struct work_struct *work)
+{
+        struct rtl8180_vif *vif_priv =
+                container_of(work, struct rtl8180_vif, beacon_work.work);
+        struct ieee80211_vif *vif =
+                container_of((void *)vif_priv, struct ieee80211_vif, drv_priv);
+        struct ieee80211_hw *dev = vif_priv->dev;
+        struct ieee80211_mgmt *mgmt;
+        struct sk_buff *skb;
+        int err = 0;
+
+        /* don't overflow the tx ring */
+        if (ieee80211_queue_stopped(dev, 0))
+                goto resched;
+
+        /* grab a fresh beacon */
+        skb = ieee80211_beacon_get(dev, vif);
+
+        /*
+         * update beacon timestamp w/ TSF value
+         * TODO: make hardware update beacon timestamp
+         */
+        mgmt = (struct ieee80211_mgmt *)skb->data;
+        mgmt->u.beacon.timestamp = cpu_to_le64(rtl8180_get_tsf(dev));
+
+        /* TODO: use actual beacon queue */
+        skb_set_queue_mapping(skb, 0);
+
+        err = rtl8180_tx(dev, skb);
+        WARN_ON(err);
+
+resched:
+        /*
+         * schedule next beacon
+         * TODO: use hardware support for beacon timing
+         */
+        schedule_delayed_work(&vif_priv->beacon_work,
+                        usecs_to_jiffies(1024 * vif->bss_conf.beacon_int));
+}
+
 static int rtl8180_add_interface(struct ieee80211_hw *dev,
                                  struct ieee80211_vif *vif)
 {
         struct rtl8180_priv *priv = dev->priv;
+        struct rtl8180_vif *vif_priv;
 
         /*
          * We only support one active interface at a time.
@@ -666,6 +725,7 @@ static int rtl8180_add_interface(struct ieee80211_hw *dev,
 
         switch (vif->type) {
         case NL80211_IFTYPE_STATION:
+        case NL80211_IFTYPE_ADHOC:
                 break;
         default:
                 return -EOPNOTSUPP;
@@ -673,6 +733,12 @@ static int rtl8180_add_interface(struct ieee80211_hw *dev,
 
         priv->vif = vif;
 
+        /* Initialize driver private area */
+        vif_priv = (struct rtl8180_vif *)&vif->drv_priv;
+        vif_priv->dev = dev;
+        INIT_DELAYED_WORK(&vif_priv->beacon_work, rtl8180_beacon_work);
+        vif_priv->enable_beacon = false;
+
         rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
         rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->MAC[0],
                           le32_to_cpu(*(__le32 *)vif->addr));
@@ -706,8 +772,11 @@ static void rtl8180_bss_info_changed(struct ieee80211_hw *dev,
                                      u32 changed)
 {
         struct rtl8180_priv *priv = dev->priv;
+        struct rtl8180_vif *vif_priv;
         int i;
 
+        vif_priv = (struct rtl8180_vif *)&vif->drv_priv;
+
         if (changed & BSS_CHANGED_BSSID) {
                 for (i = 0; i < ETH_ALEN; i++)
                         rtl818x_iowrite8(priv, &priv->map->BSSID[i],
@@ -722,7 +791,16 @@ static void rtl8180_bss_info_changed(struct ieee80211_hw *dev,
         }
 
         if (changed & BSS_CHANGED_ERP_SLOT && priv->rf->conf_erp)
-                priv->rf->conf_erp(dev, info);
+                priv->rf->conf_erp(dev, info);
+
+        if (changed & BSS_CHANGED_BEACON_ENABLED)
+                vif_priv->enable_beacon = info->enable_beacon;
+
+        if (changed & (BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON)) {
+                cancel_delayed_work_sync(&vif_priv->beacon_work);
+                if (vif_priv->enable_beacon)
+                        schedule_work(&vif_priv->beacon_work.work);
+        }
 }
 
 static u64 rtl8180_prepare_multicast(struct ieee80211_hw *dev,
@@ -763,14 +841,6 @@ static void rtl8180_configure_filter(struct ieee80211_hw *dev,
         rtl818x_iowrite32(priv, &priv->map->RX_CONF, priv->rx_conf);
 }
 
-static u64 rtl8180_get_tsf(struct ieee80211_hw *dev)
-{
-        struct rtl8180_priv *priv = dev->priv;
-
-        return rtl818x_ioread32(priv, &priv->map->TSFT[0]) |
-               (u64)(rtl818x_ioread32(priv, &priv->map->TSFT[1])) << 32;
-}
-
 static const struct ieee80211_ops rtl8180_ops = {
         .tx                     = rtl8180_tx,
         .start                  = rtl8180_start,
@@ -857,8 +927,8 @@ static int __devinit rtl8180_probe(struct pci_dev *pdev,
                 goto err_free_reg;
         }
 
-        if ((err = pci_set_dma_mask(pdev, 0xFFFFFF00ULL)) ||
-            (err = pci_set_consistent_dma_mask(pdev, 0xFFFFFF00ULL))) {
+        if ((err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) ||
+            (err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))) {
                 printk(KERN_ERR "%s (rtl8180): No suitable DMA available\n",
                        pci_name(pdev));
                 goto err_free_reg;
@@ -907,7 +977,9 @@ static int __devinit rtl8180_probe(struct pci_dev *pdev,
         dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
                      IEEE80211_HW_RX_INCLUDES_FCS |
                      IEEE80211_HW_SIGNAL_UNSPEC;
-        dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+        dev->vif_data_size = sizeof(struct rtl8180_vif);
+        dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+                                        BIT(NL80211_IFTYPE_ADHOC);
         dev->queues = 1;
         dev->max_signal = 65;