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net: bridge: mst: Notify switchdev drivers of MST state changes

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Generate a switchdev notification whenever an MST state changes. This
notification is keyed by the VLANs MSTI rather than the VID, since
multiple VLANs may share the same MST instance.

Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Tobias Waldekranz
2022-03-16 16:08:48 +01:00
committed by Jakub Kicinski
parent 6284c723d9
commit 7ae9147f43
2 changed files with 25 additions and 0 deletions
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7
include/net/switchdev.h
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@@ -19,6 +19,7 @@
enum switchdev_attr_id {
SWITCHDEV_ATTR_ID_UNDEFINED,
SWITCHDEV_ATTR_ID_PORT_STP_STATE,
SWITCHDEV_ATTR_ID_PORT_MST_STATE,
SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
SWITCHDEV_ATTR_ID_PORT_MROUTER,
@@ -32,6 +33,11 @@ enum switchdev_attr_id {
SWITCHDEV_ATTR_ID_VLAN_MSTI,
};
struct switchdev_mst_state {
u16 msti;
u8 state;
};
struct switchdev_brport_flags {
unsigned long val;
unsigned long mask;
@@ -50,6 +56,7 @@ struct switchdev_attr {
void (*complete)(struct net_device *dev, int err, void *priv);
union {
u8 stp_state; /* PORT_STP_STATE */
struct switchdev_mst_state mst_state; /* PORT_MST_STATE */
struct switchdev_brport_flags brport_flags; /* PORT_BRIDGE_FLAGS */
bool mrouter; /* PORT_MROUTER */
clock_t ageing_time; /* BRIDGE_AGEING_TIME */