[PATCH net-next v2 0/2] seg6: skip route refcounts in seg6local lookups

[Yuya Kusakabe]

seg6local looks up the nexthop of its IPv6 and IPv4 behaviors from the
RCU read-side section of the receive path, yet takes and drops a route
reference for every packet.  Skip the reference, as ip6_route_input()
and ip_rcv_finish() do.

---
Changes in v2:
- Split the lookup into a noref primitive for the seg6local input
  actions and a refcounted seg6_lookup_nexthop() wrapper, which the BPF
  LWT helpers also call (Andrea Mayer, Sashiko).
- Rebase onto net-next and re-measure.
- Link to v1: https://patch.msgid.link/20261005-seg6-lookup-noref-v1-0-092e84774e80@xxxxxxxxx

---
Yuya Kusakabe (2):
      seg6: skip the route refcount in seg6local IPv6 lookups
      seg6: skip the route refcount in seg6local IPv4 lookups

 net/ipv6/seg6_local.c | 58 +++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 42 insertions(+), 16 deletions(-)
---
base-commit: 758fe10f83a655bed0f7b98fcfacdfc3556fb9a1
change-id: 20261004-seg6-lookup-noref-e016495b60ed

Best regards,
--  
Yuya Kusakabe <yuya.kusakabe@xxxxxxxxx>