On 10/4/20 6:20 PM, Toke Høiland-Jørgensen wrote: > Matheus Salgueiro Castanho <matheus.castanho@xxxxxxxxxxx> writes: > >> Hi, >> >> I'd like to create a copy of a packet inside a BPF program, alter some >> of its headers and redirect it and the original packet to different >> interfaces, either on XDP or TC layers. >> >> By taking a look at the helpers list, I have the impression this is >> not currently supported, but as things evolve rapidly in the BPF area, >> I want to make sure I'm not overlooking anything. >> >> So, is there a way to do this today? > You're quite right, there isn't. There's work in progress, though, which > will eventually allow this (for XDP): > > https://lore.kernel.org/bpf/20200907082724.1721685-1-liuhangbin@xxxxxxxxx/ > > -Toke > Thanks for the confirmation, Toke. I'll keep an eye on that patch then. Thanks, Matheus Castanho
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