mac80211: rt2x00: import upstream changes and rebase our patches
[openwrt/staging/lynxis/omap.git] / package / kernel / mac80211 / patches / 020-10-rt2x00-separte-filling-tx-status-from-rt2x00lib_txdo.patch
diff --git a/package/kernel/mac80211/patches/020-10-rt2x00-separte-filling-tx-status-from-rt2x00lib_txdo.patch b/package/kernel/mac80211/patches/020-10-rt2x00-separte-filling-tx-status-from-rt2x00lib_txdo.patch
new file mode 100644 (file)
index 0000000..278d2d6
--- /dev/null
@@ -0,0 +1,178 @@
+From 5edb05afebba8f488a30db29550e55c42eea6d6a Mon Sep 17 00:00:00 2001
+From: Stanislaw Gruszka <sgruszka@redhat.com>
+Date: Wed, 15 Feb 2017 10:25:06 +0100
+Subject: [PATCH 10/19] rt2x00: separte filling tx status from rt2x00lib_txdone
+
+This makes rt2x00lib_txdone a bit simpler and will allow to reuse code
+in different variant of txdone which I'm preparing.
+
+Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
+Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
+---
+ drivers/net/wireless/ralink/rt2x00/rt2x00dev.c | 141 +++++++++++++------------
+ 1 file changed, 76 insertions(+), 65 deletions(-)
+
+diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+index dd6678109b7e..b5d90fefc96b 100644
+--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+@@ -313,73 +313,14 @@ static inline int rt2x00lib_txdone_bar_status(struct queue_entry *entry)
+       return ret;
+ }
+-void rt2x00lib_txdone(struct queue_entry *entry,
+-                    struct txdone_entry_desc *txdesc)
++static void rt2x00lib_fill_tx_status(struct rt2x00_dev *rt2x00dev,
++                                   struct ieee80211_tx_info *tx_info,
++                                   struct skb_frame_desc *skbdesc,
++                                   struct txdone_entry_desc *txdesc,
++                                   bool success)
+ {
+-      struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+-      struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
+-      struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+-      unsigned int header_length, i;
+       u8 rate_idx, rate_flags, retry_rates;
+-      u8 skbdesc_flags = skbdesc->flags;
+-      bool success;
+-
+-      /*
+-       * Unmap the skb.
+-       */
+-      rt2x00queue_unmap_skb(entry);
+-
+-      /*
+-       * Remove the extra tx headroom from the skb.
+-       */
+-      skb_pull(entry->skb, rt2x00dev->extra_tx_headroom);
+-
+-      /*
+-       * Signal that the TX descriptor is no longer in the skb.
+-       */
+-      skbdesc->flags &= ~SKBDESC_DESC_IN_SKB;
+-
+-      /*
+-       * Determine the length of 802.11 header.
+-       */
+-      header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
+-
+-      /*
+-       * Remove L2 padding which was added during
+-       */
+-      if (rt2x00_has_cap_flag(rt2x00dev, REQUIRE_L2PAD))
+-              rt2x00queue_remove_l2pad(entry->skb, header_length);
+-
+-      /*
+-       * If the IV/EIV data was stripped from the frame before it was
+-       * passed to the hardware, we should now reinsert it again because
+-       * mac80211 will expect the same data to be present it the
+-       * frame as it was passed to us.
+-       */
+-      if (rt2x00_has_cap_hw_crypto(rt2x00dev))
+-              rt2x00crypto_tx_insert_iv(entry->skb, header_length);
+-
+-      /*
+-       * 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) ||
+-          test_bit(TXDONE_UNKNOWN, &txdesc->flags);
+-
+-      /*
+-       * Update TX statistics.
+-       */
+-      rt2x00dev->link.qual.tx_success += success;
+-      rt2x00dev->link.qual.tx_failed += !success;
++      int i;
+       rate_idx = skbdesc->tx_rate_idx;
+       rate_flags = skbdesc->tx_rate_flags;
+@@ -448,6 +389,76 @@ void rt2x00lib_txdone(struct queue_entry *entry,
+               else
+                       rt2x00dev->low_level_stats.dot11RTSFailureCount++;
+       }
++}
++
++void rt2x00lib_txdone(struct queue_entry *entry,
++                    struct txdone_entry_desc *txdesc)
++{
++      struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
++      struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
++      struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
++      u8 skbdesc_flags = skbdesc->flags;
++      unsigned int header_length;
++      bool success;
++
++      /*
++       * Unmap the skb.
++       */
++      rt2x00queue_unmap_skb(entry);
++
++      /*
++       * Remove the extra tx headroom from the skb.
++       */
++      skb_pull(entry->skb, rt2x00dev->extra_tx_headroom);
++
++      /*
++       * Signal that the TX descriptor is no longer in the skb.
++       */
++      skbdesc->flags &= ~SKBDESC_DESC_IN_SKB;
++
++      /*
++       * Determine the length of 802.11 header.
++       */
++      header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
++
++      /*
++       * Remove L2 padding which was added during
++       */
++      if (rt2x00_has_cap_flag(rt2x00dev, REQUIRE_L2PAD))
++              rt2x00queue_remove_l2pad(entry->skb, header_length);
++
++      /*
++       * If the IV/EIV data was stripped from the frame before it was
++       * passed to the hardware, we should now reinsert it again because
++       * mac80211 will expect the same data to be present it the
++       * frame as it was passed to us.
++       */
++      if (rt2x00_has_cap_hw_crypto(rt2x00dev))
++              rt2x00crypto_tx_insert_iv(entry->skb, header_length);
++
++      /*
++       * 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) ||
++          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, tx_info, skbdesc, txdesc, success);
+       /*
+        * Only send the status report to mac80211 when it's a frame
+-- 
+2.12.1
+