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From:   Hans Schultz <netdev@kapio-technology.com>
To:     davem@davemloft.net, kuba@kernel.org
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Subject: [PATCH v2 iproute2-next 1/4] include: uapi: MacAuth and Blackhole feature header changes
Date:   Tue,  4 Oct 2022 17:20:33 +0200
Message-Id: <20221004152036.7848-1-netdev@kapio-technology.com>
MIME-Version: 1.0
Organization: Westermo Network Technologies AB
Content-Transfer-Encoding: 8bit
Precedence: bulk

Signed-off-by: Hans Schultz <netdev@kapio-technology.com>
---
 include/uapi/linux/if_link.h   |  1 +
 include/uapi/linux/neighbour.h | 11 ++++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 7494cffb..58a002de 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -559,6 +559,7 @@ enum {
 	IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT,
 	IFLA_BRPORT_MCAST_EHT_HOSTS_CNT,
 	IFLA_BRPORT_LOCKED,
+	IFLA_BRPORT_MAB,
 	__IFLA_BRPORT_MAX
 };
 #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
diff --git a/include/uapi/linux/neighbour.h b/include/uapi/linux/neighbour.h
index a998bf76..cc7d540e 100644
--- a/include/uapi/linux/neighbour.h
+++ b/include/uapi/linux/neighbour.h
@@ -52,7 +52,9 @@ enum {
 #define NTF_STICKY	(1 << 6)
 #define NTF_ROUTER	(1 << 7)
 /* Extended flags under NDA_FLAGS_EXT: */
-#define NTF_EXT_MANAGED	(1 << 0)
+#define NTF_EXT_MANAGED		(1 << 0)
+#define NTF_EXT_LOCKED		(1 << 1)
+#define NTF_EXT_BLACKHOLE	(1 << 2)
 
 /*
  *	Neighbor Cache Entry States.
@@ -86,6 +88,13 @@ enum {
  * NTF_EXT_MANAGED flagged neigbor entries are managed by the kernel on behalf
  * of a user space control plane, and automatically refreshed so that (if
  * possible) they remain in NUD_REACHABLE state.
+ *
+ * NTF_EXT_LOCKED flagged FDB entries are placeholder entries used with the
+ * locked port feature, that ensures that an entry exists while at the same
+ * time dropping packets on ingress with src MAC and VID matching the entry.
+ *
+ * NTF_EXT_BLACKHOLE flagged FDB entries ensure that no forwarding is allowed
+ * from any port to the destination MAC, VID pair associated with it.
  */
 
 struct nda_cacheinfo {
-- 
2.34.1