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Commit a5e7c10a authored by Mike Rapoport's avatar Mike Rapoport Committed by Stephen Hemminger
Browse files

vxlan: introduce vxlan_fdb_find_rdst 



which will be reused by vxlan_fdb_delete

Signed-off-by: default avatarMike Rapoport <mike.rapoport@ravellosystems.com>
Signed-off-by: default avatarStephen Hemminger <stephen@networkplumber.org>
parent afbd8bae

drivers/net/vxlan.c

+18 −5
Original line number Diff line number Diff line
@@ -388,21 +388,34 @@ static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan, 
	return f;

}



/* Add/update destinations for multicast */

static int vxlan_fdb_append(struct vxlan_fdb *f,

			    __be32 ip, __be16 port, __u32 vni, __u32 ifindex)

/* caller should hold vxlan->hash_lock */

static struct vxlan_rdst *vxlan_fdb_find_rdst(struct vxlan_fdb *f,

					      __be32 ip, __be16 port,

					      __u32 vni, __u32 ifindex)

{

	struct vxlan_rdst *rd;



	/* protected by vxlan->hash_lock */

	list_for_each_entry(rd, &f->remotes, list) {

		if (rd->remote_ip == ip &&

		    rd->remote_port == port &&

		    rd->remote_vni == vni &&

		    rd->remote_ifindex == ifindex)

			return 0;

			return rd;

	}



	return NULL;

}



/* Add/update destinations for multicast */

static int vxlan_fdb_append(struct vxlan_fdb *f,

			    __be32 ip, __be16 port, __u32 vni, __u32 ifindex)

{

	struct vxlan_rdst *rd;



	rd = vxlan_fdb_find_rdst(f, ip, port, vni, ifindex);

	if (rd)

		return 0;



	rd = kmalloc(sizeof(*rd), GFP_ATOMIC);

	if (rd == NULL)

		return -ENOBUFS;