| To: | Stephen Hemminger <shemminger@xxxxxxxx> |
|---|---|
| Subject: | Re: pppoe and receive checksum offload |
| From: | "David S. Miller" <davem@xxxxxxxxxxxxx> |
| Date: | Mon, 28 Feb 2005 15:32:28 -0800 |
| Cc: | mostrows@xxxxxxxxxxxxx, kuznet@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx |
| In-reply-to: | <42235114.3070109@xxxxxxxx> |
| References: | <20050224155906.73890361@xxxxxxxxxxxxxxxxx> <20050227202011.5ccefb22.davem@xxxxxxxxxxxxx> <42235114.3070109@xxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
On Mon, 28 Feb 2005 09:12:52 -0800 Stephen Hemminger <shemminger@xxxxxxxx> wrote: > The original sk98lin attempted to receive hardware checksumming > but never actually turned it on. Because there is a bug in the chip wherein checksums can be miscalculated. I forget the details, but I do remember that you can't enable checksumming safely because of this. In drivers/net/sk98lin/skcsum.c it mentions this: * Note: * There is a bug in the GENESIS ASIC which may lead to wrong checksums. I know this comment is above the send checksum routine, but I am pretty sure the bug applies to both directions. |
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