rtl8180: assign sequence numbers in the driver
This is a step towards support for beaconing modes of operation.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rtl818x/rtl8180_dev.c b/drivers/net/wireless/rtl818x/rtl8180_dev.c
index 093b93d..3a214d7 100644
--- a/drivers/net/wireless/rtl818x/rtl8180_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180_dev.c
@@ -233,6 +233,7 @@
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 @@
}
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 @@
__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)));