linux-kernel - [PATCH 2/4] net: switchdev: support static FDB addresses

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Message-Id: <1438667683-18872-3-git-send-email-vivien.didelot@savoirfairelinux.com>
Date:	Tue,  4 Aug 2015 01:54:41 -0400
From:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:	netdev@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
	"David S. Miller" <davem@...emloft.net>,
	Guenter Roeck <linux@...ck-us.net>,
	Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	Scott Feldman <sfeldma@...il.com>,
	Jiri Pirko <jiri@...nulli.us>,
	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [PATCH 2/4] net: switchdev: support static FDB addresses

This patch adds a is_static boolean to the switchdev_obj_fdb structure,
in order to set the ndm_state to either NUD_NOARP or NUD_REACHABLE.

Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
 include/net/switchdev.h   | 1 +
 net/switchdev/switchdev.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index e90e1a0..0e296b8 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -72,6 +72,7 @@ struct switchdev_obj {
 		struct switchdev_obj_fdb {		/* PORT_FDB */
 			u8 addr[ETH_ALEN];
 			u16 vid;
+			bool is_static;
 		} fdb;
 	} u;
 };
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 28786e8..b75897c 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -810,7 +810,7 @@ static int switchdev_port_fdb_dump_cb(struct net_device *dev,
 	ndm->ndm_flags   = NTF_SELF;
 	ndm->ndm_type    = 0;
 	ndm->ndm_ifindex = dev->ifindex;
-	ndm->ndm_state   = NUD_REACHABLE;
+	ndm->ndm_state   = obj->u.fdb.is_static ? NUD_NOARP : NUD_REACHABLE;
 
 	if (nla_put(dump->skb, NDA_LLADDR, ETH_ALEN, obj->u.fdb.addr))
 		goto nla_put_failure;
-- 
2.4.6

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