linux-kernel - [PATCH net-next] net: bridge: switchdev: allow port isolation to be offloaded

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Message-Id: <20210811135247.1703496-1-dqfext@gmail.com>
Date:   Wed, 11 Aug 2021 21:52:46 +0800
From:   DENG Qingfang <dqfext@...il.com>
To:     Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <nikolay@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        bridge@...ts.linux-foundation.org (moderated list:ETHERNET BRIDGE),
        netdev@...r.kernel.org (open list:ETHERNET BRIDGE),
        linux-kernel@...r.kernel.org (open list)
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>
Subject: [PATCH net-next] net: bridge: switchdev: allow port isolation to be offloaded

Add BR_ISOLATED flag to BR_PORT_FLAGS_HW_OFFLOAD, to allow switchdev
drivers to offload port isolation.

Suggested-by: Vladimir Oltean <olteanv@...il.com>
Signed-off-by: DENG Qingfang <dqfext@...il.com>
---
 net/bridge/br_switchdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index 6bf518d78f02..898257153883 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -71,7 +71,8 @@ bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p,
 
 /* Flags that can be offloaded to hardware */
 #define BR_PORT_FLAGS_HW_OFFLOAD (BR_LEARNING | BR_FLOOD | \
-				  BR_MCAST_FLOOD | BR_BCAST_FLOOD)
+				  BR_MCAST_FLOOD | BR_BCAST_FLOOD | \
+				  BR_ISOLATED)
 
 int br_switchdev_set_port_flag(struct net_bridge_port *p,
 			       unsigned long flags,
-- 
2.25.1