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authorstephen hemminger <stephen@networkplumber.org>2013-04-13 18:06:07 +0400
committerDavid S. Miller <davem@davemloft.net>2013-04-15 22:03:44 +0400
commit8f3359bdc83f1abb1989e0817ab0e0b18667c828 (patch)
tree445804a55d594511f181fda573faecc78604509a /net/bridge/br_if.c
parentf88c91ddba958e9a5dd4a5ee8c52a0faa790f586 (diff)
downloadlinux-8f3359bdc83f1abb1989e0817ab0e0b18667c828.tar.xz
bridge: make user modified path cost sticky
Keep a STP port path cost value if it was set by a user. Don't replace it with the link-speed based path cost whenever the link goes down and comes back up. Reported-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_if.c')
-rw-r--r--net/bridge/br_if.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index ef1b91431c6b..459dab22b3f6 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -67,7 +67,8 @@ void br_port_carrier_check(struct net_bridge_port *p)
struct net_device *dev = p->dev;
struct net_bridge *br = p->br;
- if (netif_running(dev) && netif_oper_up(dev))
+ if (!(p->flags & BR_ADMIN_COST) &&
+ netif_running(dev) && netif_oper_up(dev))
p->path_cost = port_cost(dev);
if (!netif_running(br->dev))