From 014be2c8eac3381e202f684c1f35ae184a8b152b Mon Sep 17 00:00:00 2001 From: Sridhar Samudrala Date: Fri, 17 May 2013 06:39:07 +0000 Subject: [PATCH] vxlan: Update vxlan fdb 'used' field after each usage 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 Signed-off-by: David S. Miller --- drivers/net/vxlan.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index ba81f3c39a83..3b1d2ee7156b 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -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; -- 2.11.0