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[77.179.77.126]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-495499a5847sm53179335e9.2.2026.07.17.13.15.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jul 2026 13:15:04 -0700 (PDT) From: Xin Xie To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, wsa+renesas@sang-engineering.com, jie.luo@oss.qualcomm.com, shuah@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, fmancera@suse.de, bigeasy@linutronix.de, fmaurer@redhat.com, luka.gejak@linux.dev, Xin Xie Subject: [PATCH net-next v4 3/4] net: hsr: allow PRP RedBox (interlink) creation Date: Fri, 17 Jul 2026 22:14:56 +0200 Message-ID: <20260717201457.54-4-xiexinet@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260717201457.54-1-xiexinet@gmail.com> References: <20260717201457.54-1-xiexinet@gmail.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 proto 1"; the feature is implemented unconditionally by the preceding patches. Signed-off-by: Xin Xie --- 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 8099f2069a7..88940e8014b 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