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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/zd1211rw
parentrt2x00: remove skb->do_not_encrypt usage (diff)
downloadlinux-dev-f1d58c2521eb160178b2151d6326d8dc5d7c8560.tar.xz
linux-dev-f1d58c2521eb160178b2151d6326d8dc5d7c8560.zip
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/zd1211rw')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 40b07b988224..9600b72495da 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -711,7 +711,8 @@ int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length)
memcpy(skb_put(skb, length), buffer, length);
- ieee80211_rx_irqsafe(hw, skb, &stats);
+ memcpy(IEEE80211_SKB_RXCB(skb), &stats, sizeof(stats));
+ ieee80211_rx_irqsafe(hw, skb);
return 0;
}