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992965451d
Add coverage for the new per-nexthop VXLAN destination port (NHA_DST_PORT). In fib_nexthops.sh, new ipv4_fdb_port_fcnal() and ipv6_fdb_port_fcnal() tests check that a dst_port is accepted on an fdb nexthop that has a gateway and echoed back on dump, that it is rejected without a gateway and rejected when zero, that a group may hold legs that differ only in UDP port, and that a portless fdb nexthop omits the attribute. The tests SKIP when iproute2 lacks the "dst_port" keyword. In test_vxlan_nh.sh, basic_tx_common() gains a second fdb nexthop group whose nexthop carries a destination port that differs from the VXLAN device default, plus a flower filter keyed on that port, to confirm the per-nexthop port is used on the wire. The test now requires an iproute2 with dst_port support. Signed-off-by: Jack Ma <jack4it@gmail.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20260724-b4-vxlan-fdb-port-v5-3-cd1c6aeee058@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>