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f6ceec6434
Some protocols using TCP encapsulation (e.g., espintcp, openvpn) deliver userspace-bound packets through a custom skb queue rather than the standard sk_receive_queue. Introduce datagram_poll_queue that accepts an explicit receive queue, and convert datagram_poll into a wrapper around datagram_poll_queue. This allows protocols with custom skb queues to reuse the core polling logic without relying on sk_receive_queue. Cc: Sabrina Dubroca <sd@queasysnail.net> Cc: Antonio Quartulli <antonio@openvpn.net> Signed-off-by: Ralf Lici <ralf@mandelbit.com> Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Reviewed-by: Antonio Quartulli <antonio@openvpn.net> Link: https://patch.msgid.link/20251021100942.195010-2-ralf@mandelbit.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>