On Fri, Jan 28, 2022 at 01:00:36PM +0100, Florian Westphal wrote: > This allows to replace a tcp option with nop padding to selectively disable > a particular tcp option. > > Optstrip mode is chosen when userspace passes the exthdr expression with > neither a source nor a destination register attribute. > > This is identical to xtables TCPOPTSTRIP extension. > The only difference is that TCPOPTSTRIP allows to pass in a bitmap > of options to remove rather than a single number. > > Unlike TCPOPTSTRIP this expression can be used multiple times > in the same rule to get the same effect. > > We could add a new nested attribute later on in case there is a > use case for single-expression-multi-remove. Also applied, thanks
