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authorJohannes Berg <johannes@sipsolutions.net>2009-06-17 13:13:00 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-07-10 14:57:54 -0400
commitf1d58c2521eb160178b2151d6326d8dc5d7c8560 (patch)
treeaf373bb1a5fbb6bc9436d29095133992d33d6598 /drivers/net/wireless/libertas_tf
parent18ad01c43918751cc22f8ee28f6b38b8954a55b2 (diff)
mac80211: push rx status into skb->cb
Within mac80211, we often need to copy the rx status into skb->cb. This is wasteful, as drivers could be building it in there to start with. This patch changes the API so that drivers are expected to pass the RX status in skb->cb, now accessible as IEEE80211_SKB_RXCB(skb). It also updates all drivers to pass the rx status in there, but only by making them memcpy() it into place before the call to the receive function (ieee80211_rx(_irqsafe)). Each driver can now be optimised on its own schedule. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas_tf')
-rw-r--r--drivers/net/wireless/libertas_tf/main.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c
index 10a99e26d39..4872345a2f6 100644
--- a/drivers/net/wireless/libertas_tf/main.c
+++ b/drivers/net/wireless/libertas_tf/main.c
@@ -503,7 +503,8 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
skb_reserve(skb, 2);
}
- ieee80211_rx_irqsafe(priv->hw, skb, &stats);
+ memcpy(IEEE80211_SKB_RXCB(skb), &stats, sizeof(stats));
+ ieee80211_rx_irqsafe(priv->hw, skb);
return 0;
}
EXPORT_SYMBOL_GPL(lbtf_rx);