Ipv6 ra rx - #660
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FRR master added a table_id argument to rib_meta_queue_early_route_cleanup(). Pass RT_TABLE_MAIN for the sync marker cleanup path. Link: FRRouting/frr@50ed71b6d7dd1 Signed-off-by: Robin Jarry <rjarry@redhat.com>
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Received IPv6 Router Advertisements are dropped by icmp6_input because no callback is registered for type 134. This prevents FRR BGP unnumbered from working since it relies on RAs to discover the peer's link-local address. Add a ndp_ra_input datapath node that validates RAs per RFC 4861 section 6.1.2 and forwards them to l4_loopback_output so they reach the TAP control plane device. Closes: DPDK#657 Signed-off-by: Robin Jarry <rjarry@redhat.com>
FRR's if_nbr_mac_to_ipv4ll_neigh_update() calls kernel_neigh_update() directly, bypassing the dplane abstraction. This crashes zebra when using dplane_grout because the netlink socket is not initialized. Carry patches for FRR 10.5-10.6 and 10.7+ that route these neighbor updates through the dplane API instead. Link: FRRouting/frr#22773 Signed-off-by: Robin Jarry <rjarry@redhat.com>
Verify that BGP unnumbered (RFC 5549) works between FRR+grout and a pure FRR peer. The BGP session establishment proves that received RAs are properly punted to the control plane TAP. Signed-off-by: Robin Jarry <rjarry@redhat.com>
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@chdxD1 fyi
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