netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] dm9601: HW header size shouldn't be included in packet length
@ 2007-06-27  6:14 Peter Korsgaard
  2007-07-02 12:25 ` Jeff Garzik
  0 siblings, 1 reply; 2+ messages in thread
From: Peter Korsgaard @ 2007-06-27  6:14 UTC (permalink / raw)
  To: netdev, jeff

The dm9601 driver was including the 2 byte hardware header in the
packet length, causing the HW to send 2 extra bytes of garbage on tx.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

---
 drivers/net/usb/dm9601.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: linux-2.6.22-rc6/drivers/net/usb/dm9601.c
===================================================================
--- linux-2.6.22-rc6.orig/drivers/net/usb/dm9601.c
+++ linux-2.6.22-rc6/drivers/net/usb/dm9601.c
@@ -489,6 +489,8 @@
 	   b3..n: packet data
 	*/
 
+	len = skb->len;
+
 	if (skb_headroom(skb) < DM_TX_OVERHEAD) {
 		struct sk_buff *skb2;
 
@@ -501,10 +503,9 @@
 
 	__skb_push(skb, DM_TX_OVERHEAD);
 
-	len = skb->len;
 	/* usbnet adds padding if length is a multiple of packet size
 	   if so, adjust length value in header */
-	if ((len % dev->maxpacket) == 0)
+	if ((skb->len % dev->maxpacket) == 0)
 		len++;
 
 	skb->data[0] = len;

-- 
Bye, Peter Korsgaard


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] dm9601: HW header size shouldn't be included in packet length
  2007-06-27  6:14 [PATCH] dm9601: HW header size shouldn't be included in packet length Peter Korsgaard
@ 2007-07-02 12:25 ` Jeff Garzik
  0 siblings, 0 replies; 2+ messages in thread
From: Jeff Garzik @ 2007-07-02 12:25 UTC (permalink / raw)
  To: Peter Korsgaard; +Cc: netdev

Peter Korsgaard wrote:
> The dm9601 driver was including the 2 byte hardware header in the
> packet length, causing the HW to send 2 extra bytes of garbage on tx.
> 
> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
> 
> ---
>  drivers/net/usb/dm9601.c |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

applied



^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2007-07-02 12:25 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2007-06-27  6:14 [PATCH] dm9601: HW header size shouldn't be included in packet length Peter Korsgaard
2007-07-02 12:25 ` Jeff Garzik

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).