[PATCH] adm8211: Pass all TXed frames to tx_status_irqsafe

ieee80211_tx_status_irqsafe can handle the freeing of all TXed frames.

Also, set excessive_retries for failed frames.

Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/adm8211.c b/drivers/net/wireless/adm8211.c
index e950a7d..95c8315 100644 (file)
--- a/drivers/net/wireless/adm8211.c
+++ b/drivers/net/wireless/adm8211.c
@@ -299,6 +299,7 @@ static void adm8211_interrupt_tci(struct ieee80211_hw *dev)
        for (dirty_tx = priv->dirty_tx; priv->cur_tx - dirty_tx; dirty_tx++) {
                unsigned int entry = dirty_tx % priv->tx_ring_size;
                u32 status = le32_to_cpu(priv->tx_ring[entry].status);
+               struct ieee80211_tx_status tx_status;
                struct adm8211_tx_ring_info *info;
                struct sk_buff *skb;
 
@@ -314,21 +315,19 @@ static void adm8211_interrupt_tci(struct ieee80211_hw *dev)
                pci_unmap_single(priv->pdev, info->mapping,
                                 info->skb->len, PCI_DMA_TODEVICE);
 
-               if (info->tx_control.flags & IEEE80211_TXCTL_REQ_TX_STATUS) {
-                       struct ieee80211_tx_status tx_status = {{0}};
-                       struct ieee80211_hdr *hdr;
-                       size_t hdrlen = info->hdrlen;
-
-                       skb_pull(skb, sizeof(struct adm8211_tx_hdr));
-                       hdr = (struct ieee80211_hdr *)skb_push(skb, hdrlen);
-                       memcpy(hdr, skb->cb, hdrlen);
-                       memcpy(&tx_status.control, &info->tx_control,
-                              sizeof(tx_status.control));
-                       if (!(status & TDES0_STATUS_ES))
+               memset(&tx_status, 0, sizeof(tx_status));
+               skb_pull(skb, sizeof(struct adm8211_tx_hdr));
+               memcpy(skb_push(skb, info->hdrlen), skb->cb, info->hdrlen);
+               memcpy(&tx_status.control, &info->tx_control,
+                      sizeof(tx_status.control));
+               if (!(tx_status.control.flags & IEEE80211_TXCTL_NO_ACK)) {
+                       if (status & TDES0_STATUS_ES)
+                               tx_status.excessive_retries = 1;
+                       else
                                tx_status.flags |= IEEE80211_TX_STATUS_ACK;
-                       ieee80211_tx_status_irqsafe(dev, skb, &tx_status);
-               } else
-                       dev_kfree_skb_irq(skb);
+               }
+               ieee80211_tx_status_irqsafe(dev, skb, &tx_status);
+
                info->skb = NULL;
        }