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vxlan: support NTF_USE refresh of fdb entries 

This makes use of NTF_USE in vxlan driver consistent
with bridge driver.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roopa Prabhu 2018-10-11 12:35:13 -07:00 committed by David S. Miller
parent 9771b8ccdf
commit 0813e95760
1 changed files with 7 additions and 3 deletions
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10
drivers/net/vxlan.c
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@ -697,6 +697,7 @@ static int vxlan_fdb_update(struct vxlan_dev *vxlan,
__be16 port, __be32 src_vni, __be32 vni,
__u32 ifindex, __u8 ndm_flags)
{
__u8 fdb_flags = (ndm_flags & ~NTF_USE);
struct vxlan_rdst *rd = NULL;
struct vxlan_fdb *f;
int notify = 0;
@ -714,8 +715,8 @@ static int vxlan_fdb_update(struct vxlan_dev *vxlan,
f->updated = jiffies;
notify = 1;
}
if (f->flags != ndm_flags) {
f->flags = ndm_flags;
if (f->flags != fdb_flags) {
f->flags = fdb_flags;
f->updated = jiffies;
notify = 1;
}
@ -737,6 +738,9 @@ static int vxlan_fdb_update(struct vxlan_dev *vxlan,
return rc;
notify |= rc;
}
if (ndm_flags & NTF_USE)
f->used = jiffies;
} else {
if (!(flags & NLM_F_CREATE))
return -ENOENT;
@ -748,7 +752,7 @@ static int vxlan_fdb_update(struct vxlan_dev *vxlan,
netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);
rc = vxlan_fdb_create(vxlan, mac, ip, state, port, src_vni,
vni, ifindex, ndm_flags, &f);
vni, ifindex, fdb_flags, &f);
if (rc < 0)
return rc;
notify = 1;