net: bridge: add a br_set_state helper function
In preparation for being able to propagate port states to e.g: notifiers
or other kernel parts, do not manipulate the port state directly, but
instead use a helper function which will allow us to do a bit more than
just setting the state.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 3c86f05..2b047bc 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -36,6 +36,11 @@
br_port_state_names[p->state]);
}
+void br_set_state(struct net_bridge_port *p, unsigned int state)
+{
+ p->state = state;
+}
+
/* called under bridge lock */
struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no)
{
@@ -107,7 +112,7 @@
br_notice(br, "port %u(%s) tried to become root port (blocked)",
(unsigned int) p->port_no, p->dev->name);
- p->state = BR_STATE_LISTENING;
+ br_set_state(p, BR_STATE_LISTENING);
br_log_state(p);
br_ifinfo_notify(RTM_NEWLINK, p);
@@ -387,7 +392,7 @@
p->state == BR_STATE_LEARNING)
br_topology_change_detection(p->br);
- p->state = BR_STATE_BLOCKING;
+ br_set_state(p, BR_STATE_BLOCKING);
br_log_state(p);
br_ifinfo_notify(RTM_NEWLINK, p);
@@ -404,13 +409,13 @@
return;
if (br->stp_enabled == BR_NO_STP || br->forward_delay == 0) {
- p->state = BR_STATE_FORWARDING;
+ br_set_state(p, BR_STATE_FORWARDING);
br_topology_change_detection(br);
del_timer(&p->forward_delay_timer);
} else if (br->stp_enabled == BR_KERNEL_STP)
- p->state = BR_STATE_LISTENING;
+ br_set_state(p, BR_STATE_LISTENING);
else
- p->state = BR_STATE_LEARNING;
+ br_set_state(p, BR_STATE_LEARNING);
br_multicast_enable_port(p);
br_log_state(p);