[PATCH net 0/2] vxlan: keep reserved_bits on changelink

From: Hannes Laimer

Date: Fri Oct 23 2026 - 07:21:11 EST


Currently reserved_bits are reset on every changelink. This leads to
packets using extensions that were enabled on creation being dropped
after a changelink. The first commit describes the problem and
solution in more detail and the second just adds a selftest for this.

Signed-off-by: Hannes Laimer <h.laimer@xxxxxxxxxxx>
---
Hannes Laimer (2):
vxlan: keep reserved_bits across changelink
selftests: forwarding: vxlan_reserved: add gbp changelink test

drivers/net/vxlan/vxlan_core.c | 2 +-
tools/testing/selftests/net/forwarding/vxlan_reserved.sh | 15 +++++++++++++++
2 files changed, 16 insertions(+), 1 deletion(-)
---
base-commit: 734bef548a96e8774d6eef5dfa2026c6edc4e80b
change-id: 20261023-b4-vxlan-changelink-gbp-de5e81eed8d1

Best regards,
--
Hannes Laimer <h.laimer@xxxxxxxxxxx>