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authorIdo Schimmel <idosch@mellanox.com>2018-11-21 08:02:40 +0000
committerDavid S. Miller <davem@davemloft.net>2018-11-21 17:10:31 -0800
commit40051c4dcad5b374156ad9cceae8d15c0ef1cb95 (patch)
tree64a9ae178702902de7814a5c9843ae00a595a25d /drivers/net/vxlan.c
parentvxlan: Add hardware FDB learning (diff)
downloadlinux-dev-40051c4dcad5b374156ad9cceae8d15c0ef1cb95.tar.xz
linux-dev-40051c4dcad5b374156ad9cceae8d15c0ef1cb95.zip
vxlan: Allow changing ageing time
In a similar fashion to the bridge device, allow changing the ageing time of the VxLAN device by scheduling its timer to fire if the ageing time changed. One use case is selftests where learning / ageing of VxLAN FDB entries is tested. The default ageing time is 5 minutes, which is too long for a simple selftest. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--drivers/net/vxlan.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 03ba1b56ba6d..911066299a83 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3458,11 +3458,8 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[],
conf->flags |= VXLAN_F_LEARN;
}
- if (data[IFLA_VXLAN_AGEING]) {
- if (changelink)
- return -EOPNOTSUPP;
+ if (data[IFLA_VXLAN_AGEING])
conf->age_interval = nla_get_u32(data[IFLA_VXLAN_AGEING]);
- }
if (data[IFLA_VXLAN_PROXY]) {
if (changelink)
@@ -3607,6 +3604,7 @@ static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[],
{
struct vxlan_dev *vxlan = netdev_priv(dev);
struct vxlan_rdst *dst = &vxlan->default_dst;
+ unsigned long old_age_interval;
struct vxlan_rdst old_dst;
struct vxlan_config conf;
struct vxlan_fdb *f = NULL;
@@ -3617,12 +3615,16 @@ static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[],
if (err)
return err;
+ old_age_interval = vxlan->cfg.age_interval;
memcpy(&old_dst, dst, sizeof(struct vxlan_rdst));
err = vxlan_dev_configure(vxlan->net, dev, &conf, true, extack);
if (err)
return err;
+ if (old_age_interval != vxlan->cfg.age_interval)
+ mod_timer(&vxlan->age_timer, jiffies);
+
/* handle default dst entry */
if (!vxlan_addr_equal(&dst->remote_ip, &old_dst.remote_ip)) {
spin_lock_bh(&vxlan->hash_lock);