package/kernel/mac80211/patches/020-12-rt2x00-add-txdone-nomatch-function.patch

   1 From a09305d052166cb489402a63a5d275e954e0b923 Mon Sep 17 00:00:00 2001
   2 From: Stanislaw Gruszka <sgruszka@redhat.com>
   3 Date: Wed, 15 Feb 2017 10:25:08 +0100
   4 Subject: [PATCH 12/19] rt2x00: add txdone nomatch function
   5
   6 This txdone nomatch function will be used when we get status from the HW,
   7 but we could not match it with any sent skb.
   8
   9 Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
  10 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  11 ---
  12  drivers/net/wireless/ralink/rt2x00/rt2x00.h    |  2 ++
  13  drivers/net/wireless/ralink/rt2x00/rt2x00dev.c | 50 ++++++++++++++++++++++++++
  14  2 files changed, 52 insertions(+)
  15
  16 diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
  17 index 340787894c69..91ba10fdf732 100644
  18 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
  19 +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
  20 @@ -1425,6 +1425,8 @@ void rt2x00lib_dmastart(struct queue_entry *entry);
  21  void rt2x00lib_dmadone(struct queue_entry *entry);
  22  void rt2x00lib_txdone(struct queue_entry *entry,
  23                       struct txdone_entry_desc *txdesc);
  24 +void rt2x00lib_txdone_nomatch(struct queue_entry *entry,
  25 +                             struct txdone_entry_desc *txdesc);
  26  void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status);
  27  void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp);
  28
  29 diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
  30 index 03b368ac9cb6..90fc259fb5bc 100644
  31 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
  32 +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
  33 @@ -417,6 +417,56 @@ static void rt2x00lib_clear_entry(struct rt2x00_dev *rt2x00dev,
  34         spin_unlock_bh(&entry->queue->tx_lock);
  35  }
  36
  37 +void rt2x00lib_txdone_nomatch(struct queue_entry *entry,
  38 +                             struct txdone_entry_desc *txdesc)
  39 +{
  40 +       struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
  41 +       struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
  42 +       struct ieee80211_tx_info txinfo = {};
  43 +       bool success;
  44 +
  45 +       /*
  46 +        * Unmap the skb.
  47 +        */
  48 +       rt2x00queue_unmap_skb(entry);
  49 +
  50 +       /*
  51 +        * Signal that the TX descriptor is no longer in the skb.
  52 +        */
  53 +       skbdesc->flags &= ~SKBDESC_DESC_IN_SKB;
  54 +
  55 +       /*
  56 +        * Send frame to debugfs immediately, after this call is completed
  57 +        * we are going to overwrite the skb->cb array.
  58 +        */
  59 +       rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TXDONE, entry);
  60 +
  61 +       /*
  62 +        * Determine if the frame has been successfully transmitted and
  63 +        * remove BARs from our check list while checking for their
  64 +        * TX status.
  65 +        */
  66 +       success =
  67 +           rt2x00lib_txdone_bar_status(entry) ||
  68 +           test_bit(TXDONE_SUCCESS, &txdesc->flags);
  69 +
  70 +       if (!test_bit(TXDONE_UNKNOWN, &txdesc->flags)) {
  71 +               /*
  72 +                * Update TX statistics.
  73 +                */
  74 +               rt2x00dev->link.qual.tx_success += success;
  75 +               rt2x00dev->link.qual.tx_failed += !success;
  76 +
  77 +               rt2x00lib_fill_tx_status(rt2x00dev, &txinfo, skbdesc, txdesc,
  78 +                                        success);
  79 +               ieee80211_tx_status_noskb(rt2x00dev->hw, skbdesc->sta, &txinfo);
  80 +       }
  81 +
  82 +       dev_kfree_skb_any(entry->skb);
  83 +       rt2x00lib_clear_entry(rt2x00dev, entry);
  84 +}
  85 +EXPORT_SYMBOL_GPL(rt2x00lib_txdone_nomatch);
  86 +
  87  void rt2x00lib_txdone(struct queue_entry *entry,
  88                       struct txdone_entry_desc *txdesc)
  89  {
  90 --
  91 2.12.1
  92