Christian Deacon <gamemann@xxxxxxxxxxx> writes: > Hi everyone, > > > I wasn't sure whether to submit this under XDP's mailing list or BPF's. > However, since it's an XDP program, I figured I'd start here. The issue > has to do with the BPF verifier, though. > > > I am trying to parse TCP header options within XDP/BPF. In my case, I > want to locate the 'timestamps' option and read/write to the sender and > receive timestamps (the option's data, which is eight bytes in total I > believe). We're doing just this in the 'pping' utility, see code here: https://github.com/xdp-project/bpf-examples/blob/master/pping/pping_kern.c#L83 -Toke
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