Problem with packet transmission

[vijaykumar v <vij@xxxxxxxxxxxxx>]

Hi,
   I have a problem with packet transmission. I have a virtual network 
device driver, which drives on back of eth0. The driver, (along with a 
small packet listener) recieves and sends packets without any problem, 
asynchronously.

The problem creeps in, when a reply packet is generated. ie., when a 
packet has to be sent immediately after the arrival of another packet. 
The reply packet doesnt get transmitted.

This, I suppose is not a problem with my driver, as this packet is 
queued for transmission for eth0 using "dev_queue_xmit(skb);" , with 
skb->dev set as eth0 device. ethereal shows that the packet in the eth0 
device queue. But, the packet doesnt appear on the wire.

This might be a problem with some spinlock,... in the driver.

Can I call dev_queue_xmit at any time?. (I think timing is the problem.)

any reply would be useful.

Thanks in advance,
Vij

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        V.Vijayakumar   http://www.it.iitb.ac.in/~vij/

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       is an unconscious commitment to the unimportant."
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