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authorTobias Waldekranz <tobias@waldekranz.com>2022-03-16 16:08:50 +0100
committerJakub Kicinski <kuba@kernel.org>2022-03-17 16:49:58 -0700
commit48d57b2e5f439246c4e12ed7705a5e3241294b03 (patch)
tree19399b45e6fa5db91ef923b29db6aecfeef7f446 /include/linux/if_bridge.h
parentcceac97afa090284b3ceecd93ea6b7b527116767 (diff)
net: bridge: mst: Add helper to check if MST is enabled
This is useful for switchdev drivers that might want to refuse to join a bridge where MST is enabled, if the hardware can't support it. Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/if_bridge.h')
-rw-r--r--include/linux/if_bridge.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h
index 1cf0cc46d90d..4efd5540279a 100644
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -119,6 +119,7 @@ int br_vlan_get_info(const struct net_device *dev, u16 vid,
struct bridge_vlan_info *p_vinfo);
int br_vlan_get_info_rcu(const struct net_device *dev, u16 vid,
struct bridge_vlan_info *p_vinfo);
+bool br_mst_enabled(const struct net_device *dev);
int br_mst_get_info(const struct net_device *dev, u16 msti, unsigned long *vids);
#else
static inline bool br_vlan_enabled(const struct net_device *dev)
@@ -153,6 +154,11 @@ static inline int br_vlan_get_info_rcu(const struct net_device *dev, u16 vid,
return -EINVAL;
}
+static inline bool br_mst_enabled(const struct net_device *dev)
+{
+ return false;
+}
+
static inline int br_mst_get_info(const struct net_device *dev, u16 msti,
unsigned long *vids)
{