From 22d1073f1cf6250f42cd1a8373003900bb4b123c Mon Sep 17 00:00:00 2001 From: nbd Date: Tue, 30 Aug 2011 20:59:57 +0000 Subject: ath9k: add a missing dma cache sync on aggregation software retry git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28132 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../mac80211/patches/546-ath9k_retry_cache_sync.patch | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 package/mac80211/patches/546-ath9k_retry_cache_sync.patch (limited to 'package/mac80211/patches/546-ath9k_retry_cache_sync.patch') diff --git a/package/mac80211/patches/546-ath9k_retry_cache_sync.patch b/package/mac80211/patches/546-ath9k_retry_cache_sync.patch new file mode 100644 index 000000000..ed543acfa --- /dev/null +++ b/package/mac80211/patches/546-ath9k_retry_cache_sync.patch @@ -0,0 +1,19 @@ +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -263,6 +263,7 @@ static void ath_tx_set_retry(struct ath_ + struct sk_buff *skb) + { + struct ath_frame_info *fi = get_frame_info(skb); ++ struct ath_buf *bf = fi->bf; + struct ieee80211_hdr *hdr; + + TX_STAT_INC(txq->axq_qnum, a_retries); +@@ -271,6 +272,8 @@ static void ath_tx_set_retry(struct ath_ + + hdr = (struct ieee80211_hdr *)skb->data; + hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_RETRY); ++ dma_sync_single_for_device(sc->dev, bf->bf_buf_addr, ++ sizeof(*hdr), DMA_TO_DEVICE); + } + + static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc) -- cgit v1.2.3