netdev - interrupt coalescing and CSUM offload

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Message-ID: <OF3E0CDC2E.8FFEBDC0-ONC1257A79.004A2EB6-C1257A79.00502122@transmode.se>
Date:	Fri, 14 Sep 2012 16:35:13 +0200
From:	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
To:	netdev@...r.kernel.org
Subject: interrupt coalescing and CSUM offload

I am adding interrupt coalescing to the ucc_geth driver. Unfortunately
there is only support for RX interrupt coalescing.
I wonder if there is any way "simulate" TX interrupt coalescing?

I am also looking at adding HWCSUM support but this device can only do
IP header CSUM offload. This doesn't seem to be an option in Linux?
As I understand it, one must do CSUM offload for the whole frame, both
IP header and TCP/UDP csums?

 Jocke

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