Re: [lwip-devel] IP checksum on outbound pkts

[Simon Goldschmidt]

> The question is: why does the outbound using the constant IP_HNEN but the
> inbound is using the actual header length (iphdr_hlen). The spec (AFAIK)
> says that the IP options are supposed to be included in the checksum. The
> outbound appears to me to erroneously exclude options.

I don't know exactly, but I think lwIP does not support sending IP options 
(does it?), so this might not be a problem. (unless you are acting as a router, 
which could pass on packets with IP options...)

Simon
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