93 static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk)  in inet6_sk_generic()  argument
95 	const int offset = sk->sk_prot->obj_size - sizeof(struct ipv6_pinfo);  in inet6_sk_generic()
97 	return (struct ipv6_pinfo *)(((u8 *)sk) + offset);  in inet6_sk_generic()
105 	struct sock *sk;  in inet6_create()  local
173 	sk = sk_alloc(net, PF_INET6, GFP_KERNEL, answer_prot, kern);  in inet6_create()
174 	if (!sk)  in inet6_create()
177 	sock_init_data(sock, sk);  in inet6_create()
181 		sk->sk_reuse = SK_CAN_REUSE;  in inet6_create()
183 	inet = inet_sk(sk);  in inet6_create()
192 	sk->sk_destruct		= inet_sock_destruct;  in inet6_create()
193 	sk->sk_family		= PF_INET6;  in inet6_create()
194 	sk->sk_protocol		= protocol;  in inet6_create()
196 	sk->sk_backlog_rcv	= answer->prot->backlog_rcv;  in inet6_create()
198 	inet_sk(sk)->pinet6 = np = inet6_sk_generic(sk);  in inet6_create()
203 	np->autoflowlabel = ip6_default_np_autolabel(sock_net(sk));  in inet6_create()
204 	sk->sk_ipv6only	= net->ipv6.sysctl.bindv6only;  in inet6_create()
230 	sk_refcnt_debug_inc(sk);  in inet6_create()
238 		sk->sk_prot->hash(sk);  in inet6_create()
240 	if (sk->sk_prot->init) {  in inet6_create()
241 		err = sk->sk_prot->init(sk);  in inet6_create()
243 			sk_common_release(sk);  in inet6_create()
259 	struct sock *sk = sock->sk;  in inet6_bind()  local
260 	struct inet_sock *inet = inet_sk(sk);  in inet6_bind()
261 	struct ipv6_pinfo *np = inet6_sk(sk);  in inet6_bind()
262 	struct net *net = sock_net(sk);  in inet6_bind()
269 	if (sk->sk_prot->bind)  in inet6_bind()
270 		return sk->sk_prot->bind(sk, uaddr, addr_len);  in inet6_bind()
286 	lock_sock(sk);  in inet6_bind()
289 	if (sk->sk_state != TCP_CLOSE || inet->inet_num) {  in inet6_bind()
301 		if (sk->sk_ipv6only) {  in inet6_bind()
329 					sk->sk_bound_dev_if = addr->sin6_scope_id;  in inet6_bind()
333 				if (!sk->sk_bound_dev_if) {  in inet6_bind()
337 				dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if);  in inet6_bind()
364 	sk->sk_v6_rcv_saddr = addr->sin6_addr;  in inet6_bind()
371 	    sk->sk_prot->get_port(sk, snum)) {  in inet6_bind()
372 		inet_reset_saddr(sk);  in inet6_bind()
378 		sk->sk_userlocks |= SOCK_BINDADDR_LOCK;  in inet6_bind()
380 			sk->sk_ipv6only = 1;  in inet6_bind()
383 		sk->sk_userlocks |= SOCK_BINDPORT_LOCK;  in inet6_bind()
388 	release_sock(sk);  in inet6_bind()
398 	struct sock *sk = sock->sk;  in inet6_release()  local
400 	if (!sk)  in inet6_release()
404 	ipv6_sock_mc_close(sk);  in inet6_release()
407 	ipv6_sock_ac_close(sk);  in inet6_release()
413 void inet6_destroy_sock(struct sock *sk)  in inet6_destroy_sock()  argument
415 	struct ipv6_pinfo *np = inet6_sk(sk);  in inet6_destroy_sock()
430 	fl6_free_socklist(sk);  in inet6_destroy_sock()
436 		atomic_sub(opt->tot_len, &sk->sk_omem_alloc);  in inet6_destroy_sock()
450 	struct sock *sk = sock->sk;  in inet6_getname()  local
451 	struct inet_sock *inet = inet_sk(sk);  in inet6_getname()
452 	struct ipv6_pinfo *np = inet6_sk(sk);  in inet6_getname()
460 		if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_SYN_SENT)) &&  in inet6_getname()
464 		sin->sin6_addr = sk->sk_v6_daddr;  in inet6_getname()
468 		if (ipv6_addr_any(&sk->sk_v6_rcv_saddr))  in inet6_getname()
471 			sin->sin6_addr = sk->sk_v6_rcv_saddr;  in inet6_getname()
476 						 sk->sk_bound_dev_if);  in inet6_getname()
484 	struct sock *sk = sock->sk;  in inet6_ioctl()  local
485 	struct net *net = sock_net(sk);  in inet6_ioctl()
489 		return sock_get_timestamp(sk, (struct timeval __user *)arg);  in inet6_ioctl()
492 		return sock_get_timestampns(sk, (struct timespec __user *)arg);  in inet6_ioctl()
506 		if (!sk->sk_prot->ioctl)  in inet6_ioctl()
508 		return sk->sk_prot->ioctl(sk, cmd, arg);  in inet6_ioctl()
644 int inet6_sk_rebuild_header(struct sock *sk)  in inet6_sk_rebuild_header()  argument
646 	struct ipv6_pinfo *np = inet6_sk(sk);  in inet6_sk_rebuild_header()
649 	dst = __sk_dst_check(sk, np->dst_cookie);  in inet6_sk_rebuild_header()
652 		struct inet_sock *inet = inet_sk(sk);  in inet6_sk_rebuild_header()
657 		fl6.flowi6_proto = sk->sk_protocol;  in inet6_sk_rebuild_header()
658 		fl6.daddr = sk->sk_v6_daddr;  in inet6_sk_rebuild_header()
661 		fl6.flowi6_oif = sk->sk_bound_dev_if;  in inet6_sk_rebuild_header()
662 		fl6.flowi6_mark = sk->sk_mark;  in inet6_sk_rebuild_header()
665 		security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));  in inet6_sk_rebuild_header()
672 		dst = ip6_dst_lookup_flow(sk, &fl6, final_p);  in inet6_sk_rebuild_header()
674 			sk->sk_route_caps = 0;  in inet6_sk_rebuild_header()
675 			sk->sk_err_soft = -PTR_ERR(dst);  in inet6_sk_rebuild_header()
679 		ip6_dst_store(sk, dst, NULL, NULL);  in inet6_sk_rebuild_header()
686 bool ipv6_opt_accepted(const struct sock *sk, const struct sk_buff *skb,  in ipv6_opt_accepted()  argument
689 	const struct ipv6_pinfo *np = inet6_sk(sk);  in ipv6_opt_accepted()