On Tue, 7 Nov 2023 12:40:12 +1100 David Gibson <david(a)gibson.dropbear.id.au> wrote:For the generalisations to forwarding we want to accomplish with the flow table, we will need a more formalised notion of passt "interfaces" - that is way that passt communicates with network, whether that be over L4 sockets (as on the host) or via an L2 tunnel. This series makes a small start on this, by introducing a type to identify passt interfaces. We don't use it for a whole lot yet, but it will become more useful in future. Based on the automatic port forwarding cleanup series Changes since v1: * Don't use a type alias for pif ids, just use bare uint8_t David Gibson (4): udp: Clean up ref initialisation in udp_sock_init() pif: Introduce notion of passt/pasta interface pif: Record originating pif in listening socket refs pif: Pass originating pif to tap handler functionsApplied. -- Stefano