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| author | Johannes Berg <johannes@sipsolutions.net> | 2009-06-17 13:13:00 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-07-10 14:57:54 -0400 |
| commit | f1d58c2521eb160178b2151d6326d8dc5d7c8560 (patch) | |
| tree | af373bb1a5fbb6bc9436d29095133992d33d6598 /drivers/net/wireless/at76c50x-usb.c | |
| parent | 18ad01c43918751cc22f8ee28f6b38b8954a55b2 (diff) | |
| download | linux-3.10-f1d58c2521eb160178b2151d6326d8dc5d7c8560.tar.gz linux-3.10-f1d58c2521eb160178b2151d6326d8dc5d7c8560.tar.bz2 linux-3.10-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/at76c50x-usb.c')
| -rw-r--r-- | drivers/net/wireless/at76c50x-usb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c index 4efbdbe6d6b..13303fa3473 100644 --- a/drivers/net/wireless/at76c50x-usb.c +++ b/drivers/net/wireless/at76c50x-usb.c @@ -1568,7 +1568,8 @@ static void at76_rx_tasklet(unsigned long param) at76_dbg(DBG_MAC80211, "calling ieee80211_rx_irqsafe(): %d/%d", priv->rx_skb->len, priv->rx_skb->data_len); - ieee80211_rx_irqsafe(priv->hw, priv->rx_skb, &rx_status); + memcpy(IEEE80211_SKB_RXCB(priv->rx_skb), &rx_status, sizeof(rx_status)); + ieee80211_rx_irqsafe(priv->hw, priv->rx_skb); /* Use a new skb for the next receive */ priv->rx_skb = NULL; |