rt2x00: add txdone nomatch function
authorStanislaw Gruszka <sgruszka@redhat.com>
Wed, 15 Feb 2017 09:25:08 +0000 (10:25 +0100)
committerKalle Valo <kvalo@codeaurora.org>
Wed, 8 Mar 2017 15:05:51 +0000 (17:05 +0200)
This txdone nomatch function will be used when we get status from the HW,
but we could not match it with any sent skb.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/ralink/rt2x00/rt2x00.h
drivers/net/wireless/ralink/rt2x00/rt2x00dev.c

index 340787894c694aaa45c94cff33f66bead02af3ce..91ba10fdf732403e3b92ea8350c7a8e0e9496e90 100644 (file)
@@ -1425,6 +1425,8 @@ void rt2x00lib_dmastart(struct queue_entry *entry);
 void rt2x00lib_dmadone(struct queue_entry *entry);
 void rt2x00lib_txdone(struct queue_entry *entry,
                      struct txdone_entry_desc *txdesc);
+void rt2x00lib_txdone_nomatch(struct queue_entry *entry,
+                             struct txdone_entry_desc *txdesc);
 void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status);
 void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp);
 
index 03b368ac9cb6d41e2b797e53bd2f5a0b95447b23..90fc259fb5bce639dc06a87dc0fbd130ecabdc3b 100644 (file)
@@ -417,6 +417,56 @@ static void rt2x00lib_clear_entry(struct rt2x00_dev *rt2x00dev,
        spin_unlock_bh(&entry->queue->tx_lock);
 }
 
+void rt2x00lib_txdone_nomatch(struct queue_entry *entry,
+                             struct txdone_entry_desc *txdesc)
+{
+       struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+       struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+       struct ieee80211_tx_info txinfo = {};
+       bool success;
+
+       /*
+        * Unmap the skb.
+        */
+       rt2x00queue_unmap_skb(entry);
+
+       /*
+        * Signal that the TX descriptor is no longer in the skb.
+        */
+       skbdesc->flags &= ~SKBDESC_DESC_IN_SKB;
+
+       /*
+        * Send frame to debugfs immediately, after this call is completed
+        * we are going to overwrite the skb->cb array.
+        */
+       rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TXDONE, entry);
+
+       /*
+        * Determine if the frame has been successfully transmitted and
+        * remove BARs from our check list while checking for their
+        * TX status.
+        */
+       success =
+           rt2x00lib_txdone_bar_status(entry) ||
+           test_bit(TXDONE_SUCCESS, &txdesc->flags);
+
+       if (!test_bit(TXDONE_UNKNOWN, &txdesc->flags)) {
+               /*
+                * Update TX statistics.
+                */
+               rt2x00dev->link.qual.tx_success += success;
+               rt2x00dev->link.qual.tx_failed += !success;
+
+               rt2x00lib_fill_tx_status(rt2x00dev, &txinfo, skbdesc, txdesc,
+                                        success);
+               ieee80211_tx_status_noskb(rt2x00dev->hw, skbdesc->sta, &txinfo);
+       }
+
+       dev_kfree_skb_any(entry->skb);
+       rt2x00lib_clear_entry(rt2x00dev, entry);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_txdone_nomatch);
+
 void rt2x00lib_txdone(struct queue_entry *entry,
                      struct txdone_entry_desc *txdesc)
 {