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authorDavid S. Miller <davem@davemloft.net>2018-11-19 21:55:00 +0300
committerDavid S. Miller <davem@davemloft.net>2018-11-19 21:55:00 +0300
commitf2be6d710d25be7d8d13f49f713d69dea9c71d57 (patch)
tree1b3dde663a53e7f4f7a8cc17674405dc9d29554a /net/bridge
parentbae4e109837b419b93fbddcb414c86673b1c90a5 (diff)
parentf2ce1065e767fc7da106a5f5381d1e8f842dc6f4 (diff)
downloadlinux-f2be6d710d25be7d8d13f49f713d69dea9c71d57.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_private.h7
-rw-r--r--net/bridge/br_vlan.c3
2 files changed, 9 insertions, 1 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 67105c66584a..bc2653738fc3 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -102,12 +102,18 @@ struct br_tunnel_info {
struct metadata_dst *tunnel_dst;
};
+/* private vlan flags */
+enum {
+ BR_VLFLAG_PER_PORT_STATS = BIT(0),
+};
+
/**
* struct net_bridge_vlan - per-vlan entry
*
* @vnode: rhashtable member
* @vid: VLAN id
* @flags: bridge vlan flags
+ * @priv_flags: private (in-kernel) bridge vlan flags
* @stats: per-cpu VLAN statistics
* @br: if MASTER flag set, this points to a bridge struct
* @port: if MASTER flag unset, this points to a port struct
@@ -127,6 +133,7 @@ struct net_bridge_vlan {
struct rhash_head tnode;
u16 vid;
u16 flags;
+ u16 priv_flags;
struct br_vlan_stats __percpu *stats;
union {
struct net_bridge *br;
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index a7e869da21bf..b21838b51220 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -197,7 +197,7 @@ static void nbp_vlan_rcu_free(struct rcu_head *rcu)
v = container_of(rcu, struct net_bridge_vlan, rcu);
WARN_ON(br_vlan_is_master(v));
/* if we had per-port stats configured then free them here */
- if (v->brvlan->stats != v->stats)
+ if (v->priv_flags & BR_VLFLAG_PER_PORT_STATS)
free_percpu(v->stats);
v->stats = NULL;
kfree(v);
@@ -264,6 +264,7 @@ static int __vlan_add(struct net_bridge_vlan *v, u16 flags)
err = -ENOMEM;
goto out_filt;
}
+ v->priv_flags |= BR_VLFLAG_PER_PORT_STATS;
} else {
v->stats = masterv->stats;
}