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

From: DENG Qingfang
Date: Wed Aug 11 2021 - 09:53:23 EST


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

Suggested-by: Vladimir Oltean <olteanv@xxxxxxxxx>
Signed-off-by: DENG Qingfang <dqfext@xxxxxxxxx>
---
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