92 static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb);
289 		struct sock *sk;  in pppoe_flush_dev()  local
299 			sk = sk_pppox(po);  in pppoe_flush_dev()
309 			sock_hold(sk);  in pppoe_flush_dev()
311 			lock_sock(sk);  in pppoe_flush_dev()
314 			    sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND | PPPOX_ZOMBIE)) {  in pppoe_flush_dev()
315 				pppox_unbind_sock(sk);  in pppoe_flush_dev()
316 				sk->sk_state_change(sk);  in pppoe_flush_dev()
321 			release_sock(sk);  in pppoe_flush_dev()
322 			sock_put(sk);  in pppoe_flush_dev()
372 static int pppoe_rcv_core(struct sock *sk, struct sk_buff *skb)  in pppoe_rcv_core()  argument
374 	struct pppox_sock *po = pppox_sk(sk);  in pppoe_rcv_core()
385 	if (sk->sk_state & PPPOX_BOUND) {  in pppoe_rcv_core()
387 	} else if (sk->sk_state & PPPOX_RELAY) {  in pppoe_rcv_core()
388 		relay_po = get_item_by_addr(sock_net(sk),  in pppoe_rcv_core()
401 		if (sock_queue_rcv_skb(sk, skb))  in pppoe_rcv_core()
467 	struct sock *sk = sk_pppox(po);  in pppoe_unbind_sock_work()  local
469 	lock_sock(sk);  in pppoe_unbind_sock_work()
474 	pppox_unbind_sock(sk);  in pppoe_unbind_sock_work()
475 	release_sock(sk);  in pppoe_unbind_sock_work()
476 	sock_put(sk);  in pppoe_unbind_sock_work()
510 		struct sock *sk = sk_pppox(po);  in pppoe_disc_rcv()  local
512 		bh_lock_sock(sk);  in pppoe_disc_rcv()
519 		if (sock_owned_by_user(sk) == 0) {  in pppoe_disc_rcv()
523 			sk->sk_state = PPPOX_ZOMBIE;  in pppoe_disc_rcv()
526 		bh_unlock_sock(sk);  in pppoe_disc_rcv()
528 			sock_put(sk);  in pppoe_disc_rcv()
560 	struct sock *sk;  in pppoe_create()  local
562 	sk = sk_alloc(net, PF_PPPOX, GFP_KERNEL, &pppoe_sk_proto, kern);  in pppoe_create()
563 	if (!sk)  in pppoe_create()
566 	sock_init_data(sock, sk);  in pppoe_create()
571 	sk->sk_backlog_rcv	= pppoe_rcv_core;  in pppoe_create()
572 	sk->sk_state		= PPPOX_NONE;  in pppoe_create()
573 	sk->sk_type		= SOCK_STREAM;  in pppoe_create()
574 	sk->sk_family		= PF_PPPOX;  in pppoe_create()
575 	sk->sk_protocol		= PX_PROTO_OE;  in pppoe_create()
577 	INIT_WORK(&pppox_sk(sk)->proto.pppoe.padt_work,  in pppoe_create()
585 	struct sock *sk = sock->sk;  in pppoe_release()  local
590 	if (!sk)  in pppoe_release()
593 	lock_sock(sk);  in pppoe_release()
594 	if (sock_flag(sk, SOCK_DEAD)) {  in pppoe_release()
595 		release_sock(sk);  in pppoe_release()
599 	po = pppox_sk(sk);  in pppoe_release()
606 	pppox_unbind_sock(sk);  in pppoe_release()
609 	sk->sk_state = PPPOX_DEAD;  in pppoe_release()
611 	net = sock_net(sk);  in pppoe_release()
621 	sock_orphan(sk);  in pppoe_release()
622 	sock->sk = NULL;  in pppoe_release()
624 	skb_queue_purge(&sk->sk_receive_queue);  in pppoe_release()
625 	release_sock(sk);  in pppoe_release()
626 	sock_put(sk);  in pppoe_release()
634 	struct sock *sk = sock->sk;  in pppoe_connect()  local
636 	struct pppox_sock *po = pppox_sk(sk);  in pppoe_connect()
642 	lock_sock(sk);  in pppoe_connect()
654 	if ((sk->sk_state & PPPOX_CONNECTED) &&  in pppoe_connect()
660 	if ((sk->sk_state & PPPOX_DEAD) &&  in pppoe_connect()
668 		pppox_unbind_sock(sk);  in pppoe_connect()
669 		pn = pppoe_pernet(sock_net(sk));  in pppoe_connect()
684 		sk->sk_state = PPPOX_NONE;  in pppoe_connect()
690 		net = sock_net(sk);  in pppoe_connect()
716 		po->chan.private = sk;  in pppoe_connect()
726 		sk->sk_state = PPPOX_CONNECTED;  in pppoe_connect()
732 	release_sock(sk);  in pppoe_connect()
750 	memcpy(&sp.sa_addr.pppoe, &pppox_sk(sock->sk)->pppoe_pa,  in pppoe_getname()
763 	struct sock *sk = sock->sk;  in pppoe_ioctl()  local
764 	struct pppox_sock *po = pppox_sk(sk);  in pppoe_ioctl()
771 		if (!(sk->sk_state & PPPOX_CONNECTED))  in pppoe_ioctl()
785 		if (!(sk->sk_state & PPPOX_CONNECTED))  in pppoe_ioctl()
812 		if (sk->sk_state & (PPPOX_BOUND | PPPOX_ZOMBIE | PPPOX_DEAD))  in pppoe_ioctl()
816 		if (!(sk->sk_state & PPPOX_CONNECTED))  in pppoe_ioctl()
834 		relay_po = get_item_by_addr(sock_net(sk), &po->pppoe_relay);  in pppoe_ioctl()
839 		sk->sk_state |= PPPOX_RELAY;  in pppoe_ioctl()
846 		if (!(sk->sk_state & PPPOX_RELAY))  in pppoe_ioctl()
849 		sk->sk_state &= ~PPPOX_RELAY;  in pppoe_ioctl()
864 	struct sock *sk = sock->sk;  in pppoe_sendmsg()  local
865 	struct pppox_sock *po = pppox_sk(sk);  in pppoe_sendmsg()
873 	lock_sock(sk);  in pppoe_sendmsg()
874 	if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED)) {  in pppoe_sendmsg()
891 	skb = sock_wmalloc(sk, hlen + sizeof(*ph) + total_len +  in pppoe_sendmsg()
904 	skb->priority = sk->sk_priority;  in pppoe_sendmsg()
927 	release_sock(sk);  in pppoe_sendmsg()
936 static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)  in __pppoe_xmit()  argument
938 	struct pppox_sock *po = pppox_sk(sk);  in __pppoe_xmit()
951 	if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED))  in __pppoe_xmit()
995 	struct sock *sk = (struct sock *)chan->private;  in pppoe_xmit()  local
996 	return __pppoe_xmit(sk, skb);  in pppoe_xmit()
1006 	struct sock *sk = sock->sk;  in pppoe_recvmsg()  local
1010 	if (sk->sk_state & PPPOX_BOUND) {  in pppoe_recvmsg()
1015 	skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,  in pppoe_recvmsg()