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authorJohn W. Linville <linville@tuxdriver.com>2010-05-11 20:24:55 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-05-11 20:24:55 +0200
commitcc755896a4274f11283bca32d1d658203844057a (patch)
tree218970ece71df99f686b9416b7fd88b921690ebb /drivers/net/wireless/rtl818x
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/... (diff)
parentwireless: depends on NET (diff)
downloadlinux-cc755896a4274f11283bca32d1d658203844057a.tar.xz
linux-cc755896a4274f11283bca32d1d658203844057a.zip
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
Diffstat (limited to 'drivers/net/wireless/rtl818x')
-rw-r--r--drivers/net/wireless/rtl818x/rtl8180.h11
-rw-r--r--drivers/net/wireless/rtl818x/rtl8180_dev.c96
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;