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vxlan: Update vxlan fdb 'used' field after each usage

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Fix some instances where vxlan fdb 'used' field is not updated after the entry
is used.

v2: rename vxlan_find_mac() as __vxlan_find_mac() and create a new vxlan_find_mac()
that also updates ->used field.

Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sridhar Samudrala 2013-05-17 06:39:07 +00:00 committed by David S. Miller
parent e5f5e380e0
commit 014be2c8ea
1 changed files with 14 additions and 3 deletions
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17
drivers/net/vxlan.c
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@ -301,7 +301,7 @@ static inline struct hlist_head *vxlan_fdb_head(struct vxlan_dev *vxlan,
}
/* Look up Ethernet address in forwarding table */
static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,
static struct vxlan_fdb *__vxlan_find_mac(struct vxlan_dev *vxlan,
const u8 *mac)
{
@ -316,6 +316,18 @@ static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,
return NULL;
}
static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,
const u8 *mac)
{
struct vxlan_fdb *f;
f = __vxlan_find_mac(vxlan, mac);
if (f)
f->used = jiffies;
return f;
}
/* Add/update destinations for multicast */
static int vxlan_fdb_append(struct vxlan_fdb *f,
__be32 ip, __be16 port, __u32 vni, __u32 ifindex)
@ -353,7 +365,7 @@ static int vxlan_fdb_create(struct vxlan_dev *vxlan,
struct vxlan_fdb *f;
int notify = 0;
f = vxlan_find_mac(vxlan, mac);
f = __vxlan_find_mac(vxlan, mac);
if (f) {
if (flags & NLM_F_EXCL) {
netdev_dbg(vxlan->dev,
@ -563,7 +575,6 @@ static void vxlan_snoop(struct net_device *dev,
f = vxlan_find_mac(vxlan, src_mac);
if (likely(f)) {
f->used = jiffies;
if (likely(f->remote.remote_ip == src_ip))
return;