33 	struct mctp_dev *mdev = rcu_dereference(dev->mctp_ptr);  in __mctp_dev_get()  local
38 	if (mdev)  in __mctp_dev_get()
39 		if (!refcount_inc_not_zero(&mdev->refs))  in __mctp_dev_get()
41 	return mdev;  in __mctp_dev_get()
62 			      struct mctp_dev *mdev, mctp_eid_t eid,  in mctp_fill_addrinfo()  argument
78 	hdr->ifa_index = mdev->dev->ifindex;  in mctp_fill_addrinfo()
95 static int mctp_dump_dev_addrinfo(struct mctp_dev *mdev, struct sk_buff *skb,  in mctp_dump_dev_addrinfo()  argument
104 	for (; mcb->a_idx < mdev->num_addrs; mcb->a_idx++) {  in mctp_dump_dev_addrinfo()
105 		rc = mctp_fill_addrinfo(skb, mdev, mdev->addrs[mcb->a_idx],  in mctp_dump_dev_addrinfo()
121 	struct mctp_dev *mdev;  in mctp_dump_addrinfo()  local
136 				mdev = __mctp_dev_get(dev);  in mctp_dump_addrinfo()
137 				if (mdev) {  in mctp_dump_addrinfo()
138 					rc = mctp_dump_dev_addrinfo(mdev,  in mctp_dump_addrinfo()
140 					mctp_dev_put(mdev);  in mctp_dump_addrinfo()
159 static void mctp_addr_notify(struct mctp_dev *mdev, mctp_eid_t eid, int msg_type,  in mctp_addr_notify()  argument
163 	struct net *net = dev_net(mdev->dev);  in mctp_addr_notify()
171 	rc = mctp_fill_addrinfo(skb, mdev, eid, msg_type,  in mctp_addr_notify()
197 	struct mctp_dev *mdev;  in mctp_rtm_newaddr()  local
222 	mdev = mctp_dev_get_rtnl(dev);  in mctp_rtm_newaddr()
223 	if (!mdev)  in mctp_rtm_newaddr()
230 	if (memchr(mdev->addrs, addr->s_addr, mdev->num_addrs))  in mctp_rtm_newaddr()
233 	tmp_addrs = kmalloc(mdev->num_addrs + 1, GFP_KERNEL);  in mctp_rtm_newaddr()
236 	memcpy(tmp_addrs, mdev->addrs, mdev->num_addrs);  in mctp_rtm_newaddr()
237 	tmp_addrs[mdev->num_addrs] = addr->s_addr;  in mctp_rtm_newaddr()
240 	spin_lock_irqsave(&mdev->addrs_lock, flags);  in mctp_rtm_newaddr()
241 	mdev->num_addrs++;  in mctp_rtm_newaddr()
242 	swap(mdev->addrs, tmp_addrs);  in mctp_rtm_newaddr()
243 	spin_unlock_irqrestore(&mdev->addrs_lock, flags);  in mctp_rtm_newaddr()
247 	mctp_addr_notify(mdev, addr->s_addr, RTM_NEWADDR, skb, nlh);  in mctp_rtm_newaddr()
248 	mctp_route_add_local(mdev, addr->s_addr);  in mctp_rtm_newaddr()
260 	struct mctp_dev *mdev;  in mctp_rtm_deladdr()  local
285 	mdev = mctp_dev_get_rtnl(dev);  in mctp_rtm_deladdr()
286 	if (!mdev)  in mctp_rtm_deladdr()
289 	pos = memchr(mdev->addrs, addr->s_addr, mdev->num_addrs);  in mctp_rtm_deladdr()
293 	rc = mctp_route_remove_local(mdev, addr->s_addr);  in mctp_rtm_deladdr()
298 	spin_lock_irqsave(&mdev->addrs_lock, flags);  in mctp_rtm_deladdr()
299 	memmove(pos, pos + 1, mdev->num_addrs - 1 - (pos - mdev->addrs));  in mctp_rtm_deladdr()
300 	mdev->num_addrs--;  in mctp_rtm_deladdr()
301 	spin_unlock_irqrestore(&mdev->addrs_lock, flags);  in mctp_rtm_deladdr()
303 	mctp_addr_notify(mdev, addr->s_addr, RTM_DELADDR, skb, nlh);  in mctp_rtm_deladdr()
308 void mctp_dev_hold(struct mctp_dev *mdev)  in mctp_dev_hold()  argument
310 	refcount_inc(&mdev->refs);  in mctp_dev_hold()
313 void mctp_dev_put(struct mctp_dev *mdev)  in mctp_dev_put()  argument
315 	if (mdev && refcount_dec_and_test(&mdev->refs)) {  in mctp_dev_put()
316 		kfree(mdev->addrs);  in mctp_dev_put()
317 		dev_put(mdev->dev);  in mctp_dev_put()
318 		kfree_rcu(mdev, rcu);  in mctp_dev_put()
342 	struct mctp_dev *mdev;  in mctp_add_dev()  local
346 	mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);  in mctp_add_dev()
347 	if (!mdev)  in mctp_add_dev()
350 	spin_lock_init(&mdev->addrs_lock);  in mctp_add_dev()
352 	mdev->net = mctp_default_net(dev_net(dev));  in mctp_add_dev()
355 	refcount_set(&mdev->refs, 1);  in mctp_add_dev()
356 	rcu_assign_pointer(dev->mctp_ptr, mdev);  in mctp_add_dev()
359 	mdev->dev = dev;  in mctp_add_dev()
361 	return mdev;  in mctp_add_dev()
367 	struct mctp_dev *mdev;  in mctp_fill_link_af()  local
369 	mdev = mctp_dev_get_rtnl(dev);  in mctp_fill_link_af()
370 	if (!mdev)  in mctp_fill_link_af()
372 	if (nla_put_u32(skb, IFLA_MCTP_NET, mdev->net))  in mctp_fill_link_af()
380 	struct mctp_dev *mdev;  in mctp_get_link_af_size()  local
384 	mdev = __mctp_dev_get(dev);  in mctp_get_link_af_size()
385 	if (!mdev)  in mctp_get_link_af_size()
388 	mctp_dev_put(mdev);  in mctp_get_link_af_size()
400 	struct mctp_dev *mdev;  in mctp_set_link_af()  local
408 	mdev = mctp_dev_get_rtnl(dev);  in mctp_set_link_af()
409 	if (!mdev)  in mctp_set_link_af()
413 		WRITE_ONCE(mdev->net, nla_get_u32(tb[IFLA_MCTP_NET]));  in mctp_set_link_af()
429 	struct mctp_dev *mdev;  in mctp_unregister()  local
431 	mdev = mctp_dev_get_rtnl(dev);  in mctp_unregister()
432 	if (!mdev)  in mctp_unregister()
435 	RCU_INIT_POINTER(mdev->dev->mctp_ptr, NULL);  in mctp_unregister()
437 	mctp_route_remove_dev(mdev);  in mctp_unregister()
438 	mctp_neigh_remove_dev(mdev);  in mctp_unregister()
440 	mctp_dev_put(mdev);  in mctp_unregister()
445 	struct mctp_dev *mdev;  in mctp_register()  local
455 	mdev = mctp_add_dev(dev);  in mctp_register()
456 	if (IS_ERR(mdev))  in mctp_register()
457 		return PTR_ERR(mdev);  in mctp_register()
485 	struct mctp_dev *mdev;  in mctp_register_netdevice()  local
487 	mdev = mctp_add_dev(dev);  in mctp_register_netdevice()
488 	if (IS_ERR(mdev))  in mctp_register_netdevice()
489 		return PTR_ERR(mdev);  in mctp_register_netdevice()
491 	mdev->ops = ops;  in mctp_register_netdevice()