85 lines
2.8 KiB
Diff
85 lines
2.8 KiB
Diff
From a09305d052166cb489402a63a5d275e954e0b923 Mon Sep 17 00:00:00 2001
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From: Stanislaw Gruszka <sgruszka@redhat.com>
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Date: Wed, 15 Feb 2017 10:25:08 +0100
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Subject: [PATCH 12/19] rt2x00: add txdone nomatch function
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This txdone nomatch function will be used when we get status from the HW,
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but we could not match it with any sent skb.
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Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/ralink/rt2x00/rt2x00.h | 2 ++
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drivers/net/wireless/ralink/rt2x00/rt2x00dev.c | 50 ++++++++++++++++++++++++++
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2 files changed, 52 insertions(+)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
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@@ -1425,6 +1425,8 @@ void rt2x00lib_dmastart(struct queue_ent
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void rt2x00lib_dmadone(struct queue_entry *entry);
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void rt2x00lib_txdone(struct queue_entry *entry,
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struct txdone_entry_desc *txdesc);
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+void rt2x00lib_txdone_nomatch(struct queue_entry *entry,
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+ struct txdone_entry_desc *txdesc);
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void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status);
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void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp);
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
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@@ -417,6 +417,56 @@ static void rt2x00lib_clear_entry(struct
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spin_unlock_bh(&entry->queue->tx_lock);
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}
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+void rt2x00lib_txdone_nomatch(struct queue_entry *entry,
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+ struct txdone_entry_desc *txdesc)
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+{
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+ struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
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+ struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
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+ struct ieee80211_tx_info txinfo = {};
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+ bool success;
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+
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+ /*
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+ * Unmap the skb.
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+ */
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+ rt2x00queue_unmap_skb(entry);
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+
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+ /*
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+ * Signal that the TX descriptor is no longer in the skb.
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+ */
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+ skbdesc->flags &= ~SKBDESC_DESC_IN_SKB;
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+
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+ /*
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+ * Send frame to debugfs immediately, after this call is completed
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+ * we are going to overwrite the skb->cb array.
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+ */
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+ rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TXDONE, entry);
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+
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+ /*
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+ * Determine if the frame has been successfully transmitted and
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+ * remove BARs from our check list while checking for their
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+ * TX status.
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+ */
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+ success =
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+ rt2x00lib_txdone_bar_status(entry) ||
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+ test_bit(TXDONE_SUCCESS, &txdesc->flags);
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+
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+ if (!test_bit(TXDONE_UNKNOWN, &txdesc->flags)) {
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+ /*
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+ * Update TX statistics.
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+ */
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+ rt2x00dev->link.qual.tx_success += success;
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+ rt2x00dev->link.qual.tx_failed += !success;
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+
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+ rt2x00lib_fill_tx_status(rt2x00dev, &txinfo, skbdesc, txdesc,
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+ success);
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+ ieee80211_tx_status_noskb(rt2x00dev->hw, skbdesc->sta, &txinfo);
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+ }
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+
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+ dev_kfree_skb_any(entry->skb);
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+ rt2x00lib_clear_entry(rt2x00dev, entry);
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+}
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+EXPORT_SYMBOL_GPL(rt2x00lib_txdone_nomatch);
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+
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void rt2x00lib_txdone(struct queue_entry *entry,
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struct txdone_entry_desc *txdesc)
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{
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