157 	struct inet_sock *inet = inet_sk(skb->sk);  in ip_cmsg_recv_offset()  local
158 	unsigned int flags = inet->cmsg_flags;  in ip_cmsg_recv_offset()
402 	struct inet_sock *inet = inet_sk(sk);  in ip_local_error()  local
407 	if (!inet->recverr)  in ip_local_error()
575 	struct inet_sock *inet = inet_sk(sk);  in do_ip_setsockopt()  local
635 		old = rcu_dereference_protected(inet->inet_opt,  in do_ip_setsockopt()
637 		if (inet->is_icsk) {  in do_ip_setsockopt()
643 			     inet->inet_daddr != LOOPBACK4_IPV6)) {  in do_ip_setsockopt()
654 		rcu_assign_pointer(inet->inet_opt, opt);  in do_ip_setsockopt()
661 			inet->cmsg_flags |= IP_CMSG_PKTINFO;  in do_ip_setsockopt()
663 			inet->cmsg_flags &= ~IP_CMSG_PKTINFO;  in do_ip_setsockopt()
667 			inet->cmsg_flags |=  IP_CMSG_TTL;  in do_ip_setsockopt()
669 			inet->cmsg_flags &= ~IP_CMSG_TTL;  in do_ip_setsockopt()
673 			inet->cmsg_flags |=  IP_CMSG_TOS;  in do_ip_setsockopt()
675 			inet->cmsg_flags &= ~IP_CMSG_TOS;  in do_ip_setsockopt()
679 			inet->cmsg_flags |=  IP_CMSG_RECVOPTS;  in do_ip_setsockopt()
681 			inet->cmsg_flags &= ~IP_CMSG_RECVOPTS;  in do_ip_setsockopt()
685 			inet->cmsg_flags |= IP_CMSG_RETOPTS;  in do_ip_setsockopt()
687 			inet->cmsg_flags &= ~IP_CMSG_RETOPTS;  in do_ip_setsockopt()
691 			inet->cmsg_flags |= IP_CMSG_PASSSEC;  in do_ip_setsockopt()
693 			inet->cmsg_flags &= ~IP_CMSG_PASSSEC;  in do_ip_setsockopt()
697 			inet->cmsg_flags |= IP_CMSG_ORIGDSTADDR;  in do_ip_setsockopt()
699 			inet->cmsg_flags &= ~IP_CMSG_ORIGDSTADDR;  in do_ip_setsockopt()
703 			if (!(inet->cmsg_flags & IP_CMSG_CHECKSUM)) {  in do_ip_setsockopt()
705 				inet->cmsg_flags |= IP_CMSG_CHECKSUM;  in do_ip_setsockopt()
708 			if (inet->cmsg_flags & IP_CMSG_CHECKSUM) {  in do_ip_setsockopt()
710 				inet->cmsg_flags &= ~IP_CMSG_CHECKSUM;  in do_ip_setsockopt()
717 			val |= inet->tos & INET_ECN_MASK;  in do_ip_setsockopt()
719 		if (inet->tos != val) {  in do_ip_setsockopt()
720 			inet->tos = val;  in do_ip_setsockopt()
730 		inet->uc_ttl = val;  in do_ip_setsockopt()
737 		inet->hdrincl = val ? 1 : 0;  in do_ip_setsockopt()
744 		inet->nodefrag = val ? 1 : 0;  in do_ip_setsockopt()
749 		inet->pmtudisc = val;  in do_ip_setsockopt()
752 		inet->recverr = !!val;  in do_ip_setsockopt()
765 		inet->mc_ttl = val;  in do_ip_setsockopt()
770 		inet->mc_loop = !!val;  in do_ip_setsockopt()
782 			inet->uc_index = 0;  in do_ip_setsockopt()
797 		inet->uc_index = ifindex;  in do_ip_setsockopt()
834 				inet->mc_index = 0;  in do_ip_setsockopt()
835 				inet->mc_addr  = 0;  in do_ip_setsockopt()
856 		inet->mc_index = mreq.imr_ifindex;  in do_ip_setsockopt()
857 		inet->mc_addr  = mreq.imr_address.s_addr;  in do_ip_setsockopt()
1112 		inet->mc_all = val;  in do_ip_setsockopt()
1121 		inet->freebind = !!val;  in do_ip_setsockopt()
1140 		inet->transparent = !!val;  in do_ip_setsockopt()
1148 		inet->min_ttl = val;  in do_ip_setsockopt()
1255 	struct inet_sock *inet = inet_sk(sk);  in do_ip_getsockopt()  local
1279 		inet_opt = rcu_dereference_protected(inet->inet_opt,  in do_ip_getsockopt()
1301 		val = (inet->cmsg_flags & IP_CMSG_PKTINFO) != 0;  in do_ip_getsockopt()
1304 		val = (inet->cmsg_flags & IP_CMSG_TTL) != 0;  in do_ip_getsockopt()
1307 		val = (inet->cmsg_flags & IP_CMSG_TOS) != 0;  in do_ip_getsockopt()
1310 		val = (inet->cmsg_flags & IP_CMSG_RECVOPTS) != 0;  in do_ip_getsockopt()
1313 		val = (inet->cmsg_flags & IP_CMSG_RETOPTS) != 0;  in do_ip_getsockopt()
1316 		val = (inet->cmsg_flags & IP_CMSG_PASSSEC) != 0;  in do_ip_getsockopt()
1319 		val = (inet->cmsg_flags & IP_CMSG_ORIGDSTADDR) != 0;  in do_ip_getsockopt()
1322 		val = (inet->cmsg_flags & IP_CMSG_CHECKSUM) != 0;  in do_ip_getsockopt()
1325 		val = inet->tos;  in do_ip_getsockopt()
1328 		val = (inet->uc_ttl == -1 ?  in do_ip_getsockopt()
1330 		       inet->uc_ttl);  in do_ip_getsockopt()
1333 		val = inet->hdrincl;  in do_ip_getsockopt()
1336 		val = inet->nodefrag;  in do_ip_getsockopt()
1339 		val = inet->pmtudisc;  in do_ip_getsockopt()
1357 		val = inet->recverr;  in do_ip_getsockopt()
1360 		val = inet->mc_ttl;  in do_ip_getsockopt()
1363 		val = inet->mc_loop;  in do_ip_getsockopt()
1366 		val = (__force int)htonl((__u32) inet->uc_index);  in do_ip_getsockopt()
1372 		addr.s_addr = inet->mc_addr;  in do_ip_getsockopt()
1419 		val = inet->mc_all;  in do_ip_getsockopt()
1434 		if (inet->cmsg_flags & IP_CMSG_PKTINFO) {  in do_ip_getsockopt()
1437 			info.ipi_addr.s_addr = inet->inet_rcv_saddr;  in do_ip_getsockopt()
1438 			info.ipi_spec_dst.s_addr = inet->inet_rcv_saddr;  in do_ip_getsockopt()
1439 			info.ipi_ifindex = inet->mc_index;  in do_ip_getsockopt()
1442 		if (inet->cmsg_flags & IP_CMSG_TTL) {  in do_ip_getsockopt()
1443 			int hlim = inet->mc_ttl;  in do_ip_getsockopt()
1446 		if (inet->cmsg_flags & IP_CMSG_TOS) {  in do_ip_getsockopt()
1447 			int tos = inet->rcv_tos;  in do_ip_getsockopt()
1454 		val = inet->freebind;  in do_ip_getsockopt()
1457 		val = inet->transparent;  in do_ip_getsockopt()
1460 		val = inet->min_ttl;  in do_ip_getsockopt()