Messages in this thread | | | Date | Mon, 21 Jan 2013 00:10:29 +0900 | From | YOSHIFUJI Hideaki <> | Subject | Re: [PATCH] firewire net: Ensure checksumming in upper layer. |
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Stephan Gatzka wrote: > >>> Indeed neither the device nor the lower drivers check protocol checksums. >>> But the CRCs of the encapsulating 1394 packets are checked in hardware. >>> Shall protocol checksums be verified regardless? >> >> Yes, because packets may come from off-link source. >> > > Hm, I can't see any off-link packets coming from fwnet_finish_incoming_packet() > > So I wont verify checksums in the driver.
"Off-link source" means the source exists on the different L2 network. In other words, source is connected via router(s).
ethernet firewire Host -------------- Router ------------ Host
--yoshfuji
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