[openib-general] [PATCH/RFC] IB/ipoib: add selective tx signaling

[Moni Shoua]

Michael S. Tsirkin wrote:
>>This patch implements selective tx signaling for IPoIB.
> 
> 
> Let's assume that the last tx packet you have sent is marked unsignalled.
> Since you never free the skb, won't the TX watchdog get triggered?
> 

AFAIK, tx_timeout is called when (jiffies - dev->trans_start) > dev->watchdog_timeo.
I don't think that holding the skb too long is a trigger for somethink. 
Anyway, I never saw ipoib_timeout being called during my tests.