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authorHoratiu Vultur <horatiu.vultur@microchip.com>2021-02-06 22:47:33 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-02-17 11:02:29 +0100
commit55ad30cb7f73b575570f2a39772b88ff25308b27 (patch)
tree109bdd8892777899f77d0d56dc3469733948d6ea
parente22b963d3ec9a510c44d02ff7262fcec49098533 (diff)
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bridge: mrp: Fix the usage of br_mrp_port_switchdev_set_state
commit b2bdba1cbc84cadb14393d0101a5bfd38d342e0a upstream. The function br_mrp_port_switchdev_set_state was called both with MRP port state and STP port state, which is an issue because they don't match exactly. Therefore, update the function to be used only with STP port state and use the id SWITCHDEV_ATTR_ID_PORT_STP_STATE. The choice of using STP over MRP is that the drivers already implement SWITCHDEV_ATTR_ID_PORT_STP_STATE and already in SW we update the port STP state. Fixes: 9a9f26e8f7ea30 ("bridge: mrp: Connect MRP API with the switchdev API") Fixes: fadd409136f0f2 ("bridge: switchdev: mrp: Implement MRP API for switchdev") Fixes: 2f1a11ae11d222 ("bridge: mrp: Add MRP interface.") Reported-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk> Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--net/bridge/br_mrp.c9
-rw-r--r--net/bridge/br_mrp_switchdev.c7
-rw-r--r--net/bridge/br_private_mrp.h3
3 files changed, 10 insertions, 9 deletions
diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c
index b36689e6e7cb..d1336a7ad7ff 100644
--- a/net/bridge/br_mrp.c
+++ b/net/bridge/br_mrp.c
@@ -544,19 +544,22 @@ int br_mrp_del(struct net_bridge *br, struct br_mrp_instance *instance)
int br_mrp_set_port_state(struct net_bridge_port *p,
enum br_mrp_port_state_type state)
{
+ u32 port_state;
+
if (!p || !(p->flags & BR_MRP_AWARE))
return -EINVAL;
spin_lock_bh(&p->br->lock);
if (state == BR_MRP_PORT_STATE_FORWARDING)
- p->state = BR_STATE_FORWARDING;
+ port_state = BR_STATE_FORWARDING;
else
- p->state = BR_STATE_BLOCKING;
+ port_state = BR_STATE_BLOCKING;
+ p->state = port_state;
spin_unlock_bh(&p->br->lock);
- br_mrp_port_switchdev_set_state(p, state);
+ br_mrp_port_switchdev_set_state(p, port_state);
return 0;
}
diff --git a/net/bridge/br_mrp_switchdev.c b/net/bridge/br_mrp_switchdev.c
index ed547e03ace1..75a7e8d0a268 100644
--- a/net/bridge/br_mrp_switchdev.c
+++ b/net/bridge/br_mrp_switchdev.c
@@ -169,13 +169,12 @@ int br_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp,
return err;
}
-int br_mrp_port_switchdev_set_state(struct net_bridge_port *p,
- enum br_mrp_port_state_type state)
+int br_mrp_port_switchdev_set_state(struct net_bridge_port *p, u32 state)
{
struct switchdev_attr attr = {
.orig_dev = p->dev,
- .id = SWITCHDEV_ATTR_ID_MRP_PORT_STATE,
- .u.mrp_port_state = state,
+ .id = SWITCHDEV_ATTR_ID_PORT_STP_STATE,
+ .u.stp_state = state,
};
int err;
diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h
index af0e9eff6549..6657705b94b1 100644
--- a/net/bridge/br_private_mrp.h
+++ b/net/bridge/br_private_mrp.h
@@ -72,8 +72,7 @@ int br_mrp_switchdev_set_ring_state(struct net_bridge *br, struct br_mrp *mrp,
int br_mrp_switchdev_send_ring_test(struct net_bridge *br, struct br_mrp *mrp,
u32 interval, u8 max_miss, u32 period,
bool monitor);
-int br_mrp_port_switchdev_set_state(struct net_bridge_port *p,
- enum br_mrp_port_state_type state);
+int br_mrp_port_switchdev_set_state(struct net_bridge_port *p, u32 state);
int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,
enum br_mrp_port_role_type role);
int br_mrp_switchdev_set_in_role(struct net_bridge *br, struct br_mrp *mrp,