On Wed, Apr 1, 2026 at 12:45 AM David Woodhouse <[email protected]> wrote: > > From: David Woodhouse <[email protected]> > > Wrap the IPv4-specific registrations in inet_init() with > CONFIG_LEGACY_IP guards. When LEGACY_IP is disabled, the kernel > will not: > - Register the AF_INET socket family > - Register the ETH_P_IP packet handler (ip_rcv) > - Initialize ARP, ICMP, IGMP, or IPv4 routing > - Register IPv4 protocol handlers (TCP/UDP/ICMP over IPv4) > - Initialize IPv4 multicast routing, proc entries, or fragmentation > > The shared INET infrastructure (tcp_prot, udp_prot, tcp_init, etc.) > remains initialized for use by IPv6. >
... > > /* Add UDP-Lite (RFC 3828) */ > - udplite4_register(); > + if (IS_ENABLED(CONFIG_LEGACY_IP)) > + udplite4_register(); udplite has been removed in net-next. I would think your patch series is net-next material ?

