diff options
| -rw-r--r-- | drivers/net/vxlan/vxlan_core.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c index 2e0fc43769cb..df8ef919216c 100644 --- a/drivers/net/vxlan/vxlan_core.c +++ b/drivers/net/vxlan/vxlan_core.c @@ -1446,8 +1446,11 @@ static bool vxlan_snoop(struct net_device *dev, } /* See if multicast group is already in use by other ID */ -static bool vxlan_group_used(struct vxlan_net *vn, struct vxlan_dev *dev) +static bool vxlan_group_used(struct vxlan_net *vn, struct vxlan_dev *dev, + union vxlan_addr *rip, int rifindex) { + union vxlan_addr *ip = (rip ? : &dev->default_dst.remote_ip); + int ifindex = (rifindex ? : dev->default_dst.remote_ifindex); struct vxlan_dev *vxlan; struct vxlan_sock *sock4; #if IS_ENABLED(CONFIG_IPV6) @@ -1482,11 +1485,10 @@ static bool vxlan_group_used(struct vxlan_net *vn, struct vxlan_dev *dev) #endif if (!vxlan_addr_equal(&vxlan->default_dst.remote_ip, - &dev->default_dst.remote_ip)) + ip)) continue; - if (vxlan->default_dst.remote_ifindex != - dev->default_dst.remote_ifindex) + if (vxlan->default_dst.remote_ifindex != ifindex) continue; return true; @@ -1546,12 +1548,13 @@ static void vxlan_sock_release(struct vxlan_dev *vxlan) /* Update multicast group membership when first VNI on * multicast address is brought up */ -static int vxlan_igmp_join(struct vxlan_dev *vxlan) +static int vxlan_igmp_join(struct vxlan_dev *vxlan, union vxlan_addr *rip, + int rifindex) { - struct sock *sk; - union vxlan_addr *ip = &vxlan->default_dst.remote_ip; - int ifindex = vxlan->default_dst.remote_ifindex; + union vxlan_addr *ip = (rip ? : &vxlan->default_dst.remote_ip); + int ifindex = (rifindex ? : vxlan->default_dst.remote_ifindex); int ret = -EINVAL; + struct sock *sk; if (ip->sa.sa_family == AF_INET) { struct vxlan_sock *sock4 = rtnl_dereference(vxlan->vn4_sock); @@ -1579,13 +1582,13 @@ static int vxlan_igmp_join(struct vxlan_dev *vxlan) return ret; } -/* Inverse of vxlan_igmp_join when last VNI is brought down */ -static int vxlan_igmp_leave(struct vxlan_dev *vxlan) +static int vxlan_igmp_leave(struct vxlan_dev *vxlan, union vxlan_addr *rip, + int rifindex) { - struct sock *sk; - union vxlan_addr *ip = &vxlan->default_dst.remote_ip; - int ifindex = vxlan->default_dst.remote_ifindex; + union vxlan_addr *ip = (rip ? : &vxlan->default_dst.remote_ip); + int ifindex = (rifindex ? : vxlan->default_dst.remote_ifindex); int ret = -EINVAL; + struct sock *sk; if (ip->sa.sa_family == AF_INET) { struct vxlan_sock *sock4 = rtnl_dereference(vxlan->vn4_sock); @@ -3024,7 +3027,8 @@ static int vxlan_open(struct net_device *dev) return ret; if (vxlan_addr_multicast(&vxlan->default_dst.remote_ip)) { - ret = vxlan_igmp_join(vxlan); + ret = vxlan_igmp_join(vxlan, &vxlan->default_dst.remote_ip, + vxlan->default_dst.remote_ifindex); if (ret == -EADDRINUSE) ret = 0; if (ret) { @@ -3071,8 +3075,9 @@ static int vxlan_stop(struct net_device *dev) int ret = 0; if (vxlan_addr_multicast(&vxlan->default_dst.remote_ip) && - !vxlan_group_used(vn, vxlan)) - ret = vxlan_igmp_leave(vxlan); + !vxlan_group_used(vn, vxlan, NULL, 0)) + ret = vxlan_igmp_leave(vxlan, &vxlan->default_dst.remote_ip, + vxlan->default_dst.remote_ifindex); del_timer_sync(&vxlan->age_timer); |