diff options
| author | Christian Lamparter <chunkeey@web.de> | 2009-01-20 23:11:21 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-01-23 15:38:35 -0500 |
| commit | b4068a80492022848c11123bf485aff5c902c583 (patch) | |
| tree | 1481ac7b4e80ca4b6a92c83604dedaeb84210288 /drivers/net | |
| parent | c64d2a9afbccd0aecb122d108770a407fe7b7e3f (diff) | |
| download | blackbird-op-linux-b4068a80492022848c11123bf485aff5c902c583.tar.gz blackbird-op-linux-b4068a80492022848c11123bf485aff5c902c583.zip | |
p54usb: fix packet loss with first generation devices
Artur Skawina confirmed that the first generation devices needs the same
URB_ZERO_PACKET flag, in oder to finish the pending transfer properly.
The second generation has been successfully fixed by
"p54usb: fix random traffic stalls (LM87)" (43af18f06d5)
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/p54/p54usb.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index 4487cc5c928b..5de2ebfb28c7 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -229,6 +229,8 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct sk_buff *skb) usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), skb->data, skb->len, FREE_AFTER_TX(skb) ? p54u_tx_cb : p54u_tx_dummy_cb, skb); + addr_urb->transfer_flags |= URB_ZERO_PACKET; + data_urb->transfer_flags |= URB_ZERO_PACKET; usb_anchor_urb(addr_urb, &priv->submitted); err = usb_submit_urb(addr_urb, GFP_ATOMIC); @@ -237,7 +239,7 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct sk_buff *skb) goto out; } - usb_anchor_urb(addr_urb, &priv->submitted); + usb_anchor_urb(data_urb, &priv->submitted); err = usb_submit_urb(data_urb, GFP_ATOMIC); if (err) usb_unanchor_urb(data_urb); @@ -332,12 +334,13 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb) * free what's inside the transfer_buffer after the callback routine * has completed. */ - int_urb->transfer_flags |= URB_FREE_BUFFER; + int_urb->transfer_flags |= URB_FREE_BUFFER | URB_ZERO_PACKET; usb_fill_bulk_urb(data_urb, priv->udev, usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ? p54u_tx_cb : p54u_tx_dummy_cb, skb); + data_urb->transfer_flags |= URB_ZERO_PACKET; usb_anchor_urb(int_urb, &priv->submitted); err = usb_submit_urb(int_urb, GFP_ATOMIC); |
