Re: TCPBacklogDrops during aggressive bursts of traffic

Eric Dumazet
2012-05-18T18:40:47Z

Le vendredi 18 mai 2012 à 16:45 +0100, Kieran Mansley a écrit :

> > With net-next and tcp coalescing, I no longer have TCPBacklogDrops /
> > collapses, but I dont have sfc card/driver.
>
> I'll try that.

By the way, we should get rid of napi_get_frags() & napi_gro_frags() API
and use plain build_skb() instead.

This would save 1024 bytes per skb, and remove lot of GRO code (frag0,
frag0_len, skb_gro_header_fast(), skb_gro_header_hard()...), since by
definition skb->head would point to the frame.