Hello, lepton, on mer. 03 mai 2017 11:35:05 -0700, wrote: > It sounds like a bug that caller set up a > right src and dst address and without set right ih_x1.
I wouldn't bet on that. ih_x1 is only a filler, the caller can be using the structure only as a C structure, and it's only here just before the checksum computation that we really need ih_x1 to be 0. Samuel