Hi Konstantin, This patch has been around for a long time, so what's next? Huichao,Cai At 2022-04-15 16:29:10, "Ananyev, Konstantin" wrote: >> According to RFC791,the options may appear or not in datagrams. >> They must be implemented by all IP modules (host and gateways). >> What is optional is their transmission in any particular datagram, >> not their implementation.So we have to deal with it during the >> fragmenting process.Add some test data for the IPv4 header optional >> field fragmenting. >> >> Signed-off-by: Huichao Cai >> --- > >Acked-by: Konstantin Ananyev > >> 1.8.3.1