[PATCH net-next 3/4] net: hsr: allow PRP RedBox (interlink) creation
From: Xin Xie <hidden>
Date: 2026-07-04 23:47:10
Also in:
linux-kselftest, lkml
Subsystem:
hsr network protocol, networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
With the PRP interlink datapath, duplicate discard and supervision support in place, a PRP device can act as a RedBox. Remove the rtnetlink rejection of "type hsr ... interlink <dev> proto 1"; the feature is implemented unconditionally by the preceding patches. Signed-off-by: Xin Xie <redacted> --- net/hsr/hsr_netlink.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c
index 8099f2069..88940e801 100644
--- a/net/hsr/hsr_netlink.c
+++ b/net/hsr/hsr_netlink.c@@ -121,14 +121,8 @@ static int hsr_newlink(struct net_device *dev, } } - if (proto == HSR_PROTOCOL_PRP) { + if (proto == HSR_PROTOCOL_PRP) proto_version = PRP_V1; - if (interlink) { - NL_SET_ERR_MSG_MOD(extack, - "Interlink only works with HSR"); - return -EINVAL; - } - } return hsr_dev_finalize(dev, link, interlink, multicast_spec, proto_version, extack);
--
2.53.0