Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8b3f9337 authored by Roopa Prabhu's avatar Roopa Prabhu Committed by David S. Miller
Browse files

vxlan: don't flush static fdb entries on admin down 



This patch skips flushing static fdb entries in
ndo_stop, but flushes all fdb entries during vxlan
device delete. This is consistent with the bridge
driver fdb

Signed-off-by: default avatarRoopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a824d0b8

drivers/net/vxlan.c

+6 −2
Original line number Diff line number Diff line
@@ -2354,7 +2354,7 @@ static int vxlan_open(struct net_device *dev) 
}



/* Purge the forwarding table */

static void vxlan_flush(struct vxlan_dev *vxlan)

static void vxlan_flush(struct vxlan_dev *vxlan, bool do_all)

{

	unsigned int h;
@@ -2364,6 +2364,8 @@ static void vxlan_flush(struct vxlan_dev *vxlan) 
		hlist_for_each_safe(p, n, &vxlan->fdb_head[h]) {

			struct vxlan_fdb *f

				= container_of(p, struct vxlan_fdb, hlist);

			if (!do_all && (f->state & (NUD_PERMANENT | NUD_NOARP)))

				continue;

			/* the all_zeros_mac entry is deleted at vxlan_uninit */

			if (!is_zero_ether_addr(f->eth_addr))

				vxlan_fdb_destroy(vxlan, f);
@@ -2385,7 +2387,7 @@ static int vxlan_stop(struct net_device *dev) 


	del_timer_sync(&vxlan->age_timer);



	vxlan_flush(vxlan);

	vxlan_flush(vxlan, false);

	vxlan_sock_release(vxlan);



	return ret;
@@ -3058,6 +3060,8 @@ static void vxlan_dellink(struct net_device *dev, struct list_head *head) 
	struct vxlan_dev *vxlan = netdev_priv(dev);

	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);



	vxlan_flush(vxlan, true);



	spin_lock(&vn->sock_lock);

	if (!hlist_unhashed(&vxlan->hlist))

		hlist_del_rcu(&vxlan->hlist);