17 int vxlan_igmp_join(struct vxlan_dev *vxlan, union vxlan_addr *rip,  in vxlan_igmp_join()  argument
20 	union vxlan_addr *ip = (rip ? : &vxlan->default_dst.remote_ip);  in vxlan_igmp_join()
21 	int ifindex = (rifindex ? : vxlan->default_dst.remote_ifindex);  in vxlan_igmp_join()
26 		struct vxlan_sock *sock4 = rtnl_dereference(vxlan->vn4_sock);  in vxlan_igmp_join()
38 		struct vxlan_sock *sock6 = rtnl_dereference(vxlan->vn6_sock);  in vxlan_igmp_join()
51 int vxlan_igmp_leave(struct vxlan_dev *vxlan, union vxlan_addr *rip,  in vxlan_igmp_leave()  argument
54 	union vxlan_addr *ip = (rip ? : &vxlan->default_dst.remote_ip);  in vxlan_igmp_leave()
55 	int ifindex = (rifindex ? : vxlan->default_dst.remote_ifindex);  in vxlan_igmp_leave()
60 		struct vxlan_sock *sock4 = rtnl_dereference(vxlan->vn4_sock);  in vxlan_igmp_leave()
72 		struct vxlan_sock *sock6 = rtnl_dereference(vxlan->vn6_sock);  in vxlan_igmp_leave()
100 static bool vxlan_group_used_by_vnifilter(struct vxlan_dev *vxlan,  in vxlan_group_used_by_vnifilter()  argument
103 	struct vxlan_vni_group *vg = rtnl_dereference(vxlan->vnigrp);  in vxlan_group_used_by_vnifilter()
107 				   &vxlan->default_dst.remote_ip,  in vxlan_group_used_by_vnifilter()
108 				   vxlan->default_dst.remote_ifindex))  in vxlan_group_used_by_vnifilter()
117 					   vxlan->default_dst.remote_ifindex))  in vxlan_group_used_by_vnifilter()
130 	struct vxlan_dev *vxlan;  in vxlan_group_used()  local
151 	list_for_each_entry(vxlan, &vn->vxlan_list, next) {  in vxlan_group_used()
152 		if (!netif_running(vxlan->dev) || vxlan == dev)  in vxlan_group_used()
156 		    rtnl_dereference(vxlan->vn4_sock) != sock4)  in vxlan_group_used()
160 		    rtnl_dereference(vxlan->vn6_sock) != sock6)  in vxlan_group_used()
163 		if (vxlan->cfg.flags & VXLAN_F_VNIFILTER) {  in vxlan_group_used()
164 			if (!vxlan_group_used_by_vnifilter(vxlan, ip, ifindex))  in vxlan_group_used()
168 						    &vxlan->default_dst.remote_ip,  in vxlan_group_used()
169 						    vxlan->default_dst.remote_ifindex))  in vxlan_group_used()
179 static int vxlan_multicast_join_vnigrp(struct vxlan_dev *vxlan)  in vxlan_multicast_join_vnigrp()  argument
181 	struct vxlan_vni_group *vg = rtnl_dereference(vxlan->vnigrp);  in vxlan_multicast_join_vnigrp()
190 				     &vxlan->default_dst.remote_ip))  in vxlan_multicast_join_vnigrp()
192 		ret = vxlan_igmp_join(vxlan, &v->remote_ip, 0);  in vxlan_multicast_join_vnigrp()
205 					     &vxlan->default_dst.remote_ip))  in vxlan_multicast_join_vnigrp()
207 			vxlan_igmp_leave(vxlan, &v->remote_ip, 0);  in vxlan_multicast_join_vnigrp()
216 static int vxlan_multicast_leave_vnigrp(struct vxlan_dev *vxlan)  in vxlan_multicast_leave_vnigrp()  argument
218 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in vxlan_multicast_leave_vnigrp()
219 	struct vxlan_vni_group *vg = rtnl_dereference(vxlan->vnigrp);  in vxlan_multicast_leave_vnigrp()
225 		    !vxlan_group_used(vn, vxlan, v->vni, &v->remote_ip,  in vxlan_multicast_leave_vnigrp()
227 			ret = vxlan_igmp_leave(vxlan, &v->remote_ip, 0);  in vxlan_multicast_leave_vnigrp()
236 int vxlan_multicast_join(struct vxlan_dev *vxlan)  in vxlan_multicast_join()  argument
240 	if (vxlan_addr_multicast(&vxlan->default_dst.remote_ip)) {  in vxlan_multicast_join()
241 		ret = vxlan_igmp_join(vxlan, &vxlan->default_dst.remote_ip,  in vxlan_multicast_join()
242 				      vxlan->default_dst.remote_ifindex);  in vxlan_multicast_join()
249 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)  in vxlan_multicast_join()
250 		return vxlan_multicast_join_vnigrp(vxlan);  in vxlan_multicast_join()
255 int vxlan_multicast_leave(struct vxlan_dev *vxlan)  in vxlan_multicast_leave()  argument
257 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in vxlan_multicast_leave()
260 	if (vxlan_addr_multicast(&vxlan->default_dst.remote_ip) &&  in vxlan_multicast_leave()
261 	    !vxlan_group_used(vn, vxlan, 0, NULL, 0)) {  in vxlan_multicast_leave()
262 		ret = vxlan_igmp_leave(vxlan, &vxlan->default_dst.remote_ip,  in vxlan_multicast_leave()
263 				       vxlan->default_dst.remote_ifindex);  in vxlan_multicast_leave()
268 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)  in vxlan_multicast_leave()
269 		return vxlan_multicast_leave_vnigrp(vxlan);  in vxlan_multicast_leave()