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rtl8180: assign sequence numbers in the driver

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This is a step towards support for beaconing modes of operation.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
John W. Linville 2010-05-06 16:26:23 -04:00
parent a472e71b3c
commit 51e080deba
2 changed files with 13 additions and 0 deletions
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3
drivers/net/wireless/rtl818x/rtl8180.h
View file

@ -78,6 +78,9 @@ struct rtl8180_priv {
u32 anaparam;
u16 rfparam;
u8 csthreshold;
/* sequence # */
u16 seqno;
};
void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);

10
drivers/net/wireless/rtl818x/rtl8180_dev.c
View file

@ -233,6 +233,7 @@ 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;
@ -284,6 +285,14 @@ 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];
@ -298,6 +307,7 @@ 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)));