netdev - [RFC net-next 5/7] net: dsa: Include bridge addresses in assisted CPU port learning

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 16 Jan 2021 02:25:13 +0100
From:   Tobias Waldekranz <tobias@...dekranz.com>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        olteanv@...il.com, roopa@...dia.com, nikolay@...dia.com,
        netdev@...r.kernel.org
Subject: [RFC net-next 5/7] net: dsa: Include bridge addresses in assisted CPU port learning

Now that notifications are sent out for addresses added to the bridge
itself, extend DSA to include those addresses in the hardware FDB when
assisted CPU port learning is enabled.

Signed-off-by: Tobias Waldekranz <tobias@...dekranz.com>
---
 net/dsa/slave.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index dca393e45547..1ac46ad4a846 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -2188,7 +2188,11 @@ static int dsa_slave_switchdev_event(struct notifier_block *unused,
 			struct net_device *br_dev;
 			struct dsa_slave_priv *p;
 
-			br_dev = netdev_master_upper_dev_get_rcu(dev);
+			if (netif_is_bridge_master(dev))
+				br_dev = dev;
+			else
+				br_dev = netdev_master_upper_dev_get_rcu(dev);
+
 			if (!br_dev)
 				return NOTIFY_DONE;
 
-- 
2.17.1