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authorstephen hemminger <shemminger@vyatta.com>2012-12-28 18:15:22 (GMT)
committerDavid S. Miller <davem@davemloft.net>2012-12-30 10:31:43 (GMT)
commit576eb62598f10c8c7fd75703fe89010cdcfff596 (patch)
tree47317f7bc68dc06ad06735eb7c9ba4e271dcd793 /net/bridge/br_stp_if.c
parentaa1113d9f85da59dcbdd32aeb5d71da566e46def (diff)
downloadlinux-fsl-qoriq-576eb62598f10c8c7fd75703fe89010cdcfff596.tar.xz
bridge: respect RFC2863 operational state
The bridge link detection should follow the operational state of the lower device, rather than the carrier bit. This allows devices like tunnels that are controlled by userspace control plane to work with bridge STP link management. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Reviewed-by: Flavio Leitner <fbl@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_stp_if.c')
-rw-r--r--net/bridge/br_stp_if.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 9d5a414..7b5197c 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -54,7 +54,7 @@ void br_stp_enable_bridge(struct net_bridge *br)
br_config_bpdu_generation(br);
list_for_each_entry(p, &br->port_list, list) {
- if ((p->dev->flags & IFF_UP) && netif_carrier_ok(p->dev))
+ if (netif_running(p->dev) && netif_oper_up(p->dev))
br_stp_enable_port(p);
}