On Tue, Nov 7, 2023 at 10:05 PM Stanislav Fomichev <sdf@xxxxxxxxxx> wrote: > > I don't understand. We require an elaborate setup to receive devmem cmsgs, > why would some random application receive those? A TCP socket can receive 'valid TCP packets' from many different sources, especially with BPF hooks... Think of a bonding setup, packets being mirrored by some switches or even from tc. Better double check than be sorry. We have not added a 5th component in the 4-tuple lookups, being "is this socket a devmem one". A mix of regular/devmem skb is supported.
