[lwip-devel] [bug #49292] IP_HLEN seems to be incorrect in ip4.h

[Dirk Ziegelmeier]

Update of bug #49292 (project lwip):

                  Status:                    None => Invalid                
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #1:

Your port does not seem to correctly implement struct packing. Triple check
this - sizeof(struct ip_hdr) MUST BE 20 - you won't get far without this
working correctly.

See https://en.wikipedia.org/wiki/IPv4#Header
-> header (without options) is 20 bytes


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