335 	struct inet6_dev *ndev;  in ipv6_add_dev()  local
343 	ndev = kzalloc(sizeof(struct inet6_dev), GFP_KERNEL);  in ipv6_add_dev()
344 	if (!ndev)  in ipv6_add_dev()
347 	rwlock_init(&ndev->lock);  in ipv6_add_dev()
348 	ndev->dev = dev;  in ipv6_add_dev()
349 	INIT_LIST_HEAD(&ndev->addr_list);  in ipv6_add_dev()
350 	setup_timer(&ndev->rs_timer, addrconf_rs_timer,  in ipv6_add_dev()
351 		    (unsigned long)ndev);  in ipv6_add_dev()
352 	memcpy(&ndev->cnf, dev_net(dev)->ipv6.devconf_dflt, sizeof(ndev->cnf));  in ipv6_add_dev()
354 	if (ndev->cnf.stable_secret.initialized)  in ipv6_add_dev()
355 		ndev->addr_gen_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY;  in ipv6_add_dev()
357 		ndev->addr_gen_mode = IN6_ADDR_GEN_MODE_EUI64;  in ipv6_add_dev()
359 	ndev->cnf.mtu6 = dev->mtu;  in ipv6_add_dev()
360 	ndev->cnf.sysctl = NULL;  in ipv6_add_dev()
361 	ndev->nd_parms = neigh_parms_alloc(dev, &nd_tbl);  in ipv6_add_dev()
362 	if (!ndev->nd_parms) {  in ipv6_add_dev()
363 		kfree(ndev);  in ipv6_add_dev()
366 	if (ndev->cnf.forwarding)  in ipv6_add_dev()
371 	if (snmp6_alloc_dev(ndev) < 0) {  in ipv6_add_dev()
375 		neigh_parms_release(&nd_tbl, ndev->nd_parms);  in ipv6_add_dev()
377 		kfree(ndev);  in ipv6_add_dev()
381 	if (snmp6_register_dev(ndev) < 0) {  in ipv6_add_dev()
391 	in6_dev_hold(ndev);  in ipv6_add_dev()
394 		ndev->cnf.accept_dad = -1;  in ipv6_add_dev()
399 		ndev->cnf.rtr_solicits = 0;  in ipv6_add_dev()
403 	INIT_LIST_HEAD(&ndev->tempaddr_list);  in ipv6_add_dev()
404 	setup_timer(&ndev->regen_timer, ipv6_regen_rndid, (unsigned long)ndev);  in ipv6_add_dev()
410 		ndev->cnf.use_tempaddr = -1;  in ipv6_add_dev()
412 		in6_dev_hold(ndev);  in ipv6_add_dev()
413 		ipv6_regen_rndid((unsigned long) ndev);  in ipv6_add_dev()
416 	ndev->token = in6addr_any;  in ipv6_add_dev()
419 		ndev->if_flags |= IF_READY;  in ipv6_add_dev()
421 	ipv6_mc_init_dev(ndev);  in ipv6_add_dev()
422 	ndev->tstamp = jiffies;  in ipv6_add_dev()
423 	err = addrconf_sysctl_register(ndev);  in ipv6_add_dev()
425 		ipv6_mc_destroy_dev(ndev);  in ipv6_add_dev()
426 		del_timer(&ndev->regen_timer);  in ipv6_add_dev()
427 		snmp6_unregister_dev(ndev);  in ipv6_add_dev()
431 	rcu_assign_pointer(dev->ip6_ptr, ndev);  in ipv6_add_dev()
440 	if (ndev->cnf.forwarding && (dev->flags & IFF_MULTICAST))  in ipv6_add_dev()
443 	return ndev;  in ipv6_add_dev()
446 	neigh_parms_release(&nd_tbl, ndev->nd_parms);  in ipv6_add_dev()
447 	ndev->dead = 1;  in ipv6_add_dev()
448 	in6_dev_finish_destroy(ndev);  in ipv6_add_dev()