diff options
| author | Holger Schurig <hs4233@mail.mn-solutions.de> | 2008-04-01 14:50:43 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-04-16 21:59:56 +0200 |
| commit | 7919b89c8276d657976d4d4d6b7cb58ea1aa08c3 (patch) | |
| tree | 31fc24e2f8b7d8eeee67347333e078591796d4b7 /drivers/net/wireless/libertas/rx.c | |
| parent | mac80211: further RCU fixes (diff) | |
| download | linux-7919b89c8276d657976d4d4d6b7cb58ea1aa08c3.tar.xz linux-7919b89c8276d657976d4d4d6b7cb58ea1aa08c3.zip | |
libertas: convert libertas driver to use an event/cmdresp queue
This patch (co-developed by Dan Williams and Holger Schurig) uses a kfifo
object for events and a swapping buffer scheme for the command response to
preserve the zero-copy semantics of the CF driver and keep memory usage low.
The main thread should only ever touch the buffer indexed by priv->resp_idx,
while the interface code is free to write to the second buffer, then swap
priv->resp_idx under the driver spinlock. The firmware specs only permit
one in-flight command, so there will only ever be one command response to
process at a time.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas/rx.c')
| -rw-r--r-- | drivers/net/wireless/libertas/rx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c index 09f023089ea4..05af7316f698 100644 --- a/drivers/net/wireless/libertas/rx.c +++ b/drivers/net/wireless/libertas/rx.c @@ -145,14 +145,14 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb) struct net_device *dev = priv->dev; struct rxpackethdr *p_rx_pkt; struct rxpd *p_rx_pd; - int hdrchop; struct ethhdr *p_ethhdr; - const u8 rfc1042_eth_hdr[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; lbs_deb_enter(LBS_DEB_RX); + BUG_ON(!skb); + skb->ip_summed = CHECKSUM_NONE; if (priv->monitormode) |