174 	struct inet_sock *inet = inet_sk(sk);  in ip_cmsg_recv_offset()  local
175 	unsigned int flags = inet->cmsg_flags;  in ip_cmsg_recv_offset()
439 	struct inet_sock *inet = inet_sk(sk);  in ip_local_error()  local
444 	if (!inet->recverr)  in ip_local_error()
894 	struct inet_sock *inet = inet_sk(sk);  in do_ip_setsockopt()  local
959 		old = rcu_dereference_protected(inet->inet_opt,  in do_ip_setsockopt()
961 		if (inet->is_icsk) {  in do_ip_setsockopt()
967 			     inet->inet_daddr != LOOPBACK4_IPV6)) {  in do_ip_setsockopt()
978 		rcu_assign_pointer(inet->inet_opt, opt);  in do_ip_setsockopt()
985 			inet->cmsg_flags |= IP_CMSG_PKTINFO;  in do_ip_setsockopt()
987 			inet->cmsg_flags &= ~IP_CMSG_PKTINFO;  in do_ip_setsockopt()
991 			inet->cmsg_flags |=  IP_CMSG_TTL;  in do_ip_setsockopt()
993 			inet->cmsg_flags &= ~IP_CMSG_TTL;  in do_ip_setsockopt()
997 			inet->cmsg_flags |=  IP_CMSG_TOS;  in do_ip_setsockopt()
999 			inet->cmsg_flags &= ~IP_CMSG_TOS;  in do_ip_setsockopt()
1003 			inet->cmsg_flags |=  IP_CMSG_RECVOPTS;  in do_ip_setsockopt()
1005 			inet->cmsg_flags &= ~IP_CMSG_RECVOPTS;  in do_ip_setsockopt()
1009 			inet->cmsg_flags |= IP_CMSG_RETOPTS;  in do_ip_setsockopt()
1011 			inet->cmsg_flags &= ~IP_CMSG_RETOPTS;  in do_ip_setsockopt()
1015 			inet->cmsg_flags |= IP_CMSG_PASSSEC;  in do_ip_setsockopt()
1017 			inet->cmsg_flags &= ~IP_CMSG_PASSSEC;  in do_ip_setsockopt()
1021 			inet->cmsg_flags |= IP_CMSG_ORIGDSTADDR;  in do_ip_setsockopt()
1023 			inet->cmsg_flags &= ~IP_CMSG_ORIGDSTADDR;  in do_ip_setsockopt()
1027 			if (!(inet->cmsg_flags & IP_CMSG_CHECKSUM)) {  in do_ip_setsockopt()
1029 				inet->cmsg_flags |= IP_CMSG_CHECKSUM;  in do_ip_setsockopt()
1032 			if (inet->cmsg_flags & IP_CMSG_CHECKSUM) {  in do_ip_setsockopt()
1034 				inet->cmsg_flags &= ~IP_CMSG_CHECKSUM;  in do_ip_setsockopt()
1042 			inet->cmsg_flags |= IP_CMSG_RECVFRAGSIZE;  in do_ip_setsockopt()
1044 			inet->cmsg_flags &= ~IP_CMSG_RECVFRAGSIZE;  in do_ip_setsockopt()
1054 		inet->uc_ttl = val;  in do_ip_setsockopt()
1061 		inet->hdrincl = val ? 1 : 0;  in do_ip_setsockopt()
1068 		inet->nodefrag = val ? 1 : 0;  in do_ip_setsockopt()
1071 		inet->bind_address_no_port = val ? 1 : 0;  in do_ip_setsockopt()
1076 		inet->pmtudisc = val;  in do_ip_setsockopt()
1079 		inet->recverr = !!val;  in do_ip_setsockopt()
1086 		inet->recverr_rfc4884 = !!val;  in do_ip_setsockopt()
1097 		inet->mc_ttl = val;  in do_ip_setsockopt()
1102 		inet->mc_loop = !!val;  in do_ip_setsockopt()
1115 			inet->uc_index = 0;  in do_ip_setsockopt()
1132 		inet->uc_index = ifindex;  in do_ip_setsockopt()
1170 				inet->mc_index = 0;  in do_ip_setsockopt()
1171 				inet->mc_addr  = 0;  in do_ip_setsockopt()
1196 		inet->mc_index = mreq.imr_ifindex;  in do_ip_setsockopt()
1197 		inet->mc_addr  = mreq.imr_address.s_addr;  in do_ip_setsockopt()
1324 		inet->mc_all = val;  in do_ip_setsockopt()
1330 		inet->freebind = !!val;  in do_ip_setsockopt()
1349 		inet->transparent = !!val;  in do_ip_setsockopt()
1364 		WRITE_ONCE(inet->min_ttl, val);  in do_ip_setsockopt()
1530 	struct inet_sock *inet = inet_sk(sk);  in do_ip_getsockopt()  local
1557 		inet_opt = rcu_dereference_protected(inet->inet_opt,  in do_ip_getsockopt()
1581 		val = (inet->cmsg_flags & IP_CMSG_PKTINFO) != 0;  in do_ip_getsockopt()
1584 		val = (inet->cmsg_flags & IP_CMSG_TTL) != 0;  in do_ip_getsockopt()
1587 		val = (inet->cmsg_flags & IP_CMSG_TOS) != 0;  in do_ip_getsockopt()
1590 		val = (inet->cmsg_flags & IP_CMSG_RECVOPTS) != 0;  in do_ip_getsockopt()
1593 		val = (inet->cmsg_flags & IP_CMSG_RETOPTS) != 0;  in do_ip_getsockopt()
1596 		val = (inet->cmsg_flags & IP_CMSG_PASSSEC) != 0;  in do_ip_getsockopt()
1599 		val = (inet->cmsg_flags & IP_CMSG_ORIGDSTADDR) != 0;  in do_ip_getsockopt()
1602 		val = (inet->cmsg_flags & IP_CMSG_CHECKSUM) != 0;  in do_ip_getsockopt()
1605 		val = (inet->cmsg_flags & IP_CMSG_RECVFRAGSIZE) != 0;  in do_ip_getsockopt()
1608 		val = inet->tos;  in do_ip_getsockopt()
1613 		val = (inet->uc_ttl == -1 ?  in do_ip_getsockopt()
1615 		       inet->uc_ttl);  in do_ip_getsockopt()
1619 		val = inet->hdrincl;  in do_ip_getsockopt()
1622 		val = inet->nodefrag;  in do_ip_getsockopt()
1625 		val = inet->bind_address_no_port;  in do_ip_getsockopt()
1628 		val = inet->pmtudisc;  in do_ip_getsockopt()
1646 		val = inet->recverr;  in do_ip_getsockopt()
1649 		val = inet->recverr_rfc4884;  in do_ip_getsockopt()
1652 		val = inet->mc_ttl;  in do_ip_getsockopt()
1655 		val = inet->mc_loop;  in do_ip_getsockopt()
1658 		val = (__force int)htonl((__u32) inet->uc_index);  in do_ip_getsockopt()
1664 		addr.s_addr = inet->mc_addr;  in do_ip_getsockopt()
1696 		val = inet->mc_all;  in do_ip_getsockopt()
1717 		if (inet->cmsg_flags & IP_CMSG_PKTINFO) {  in do_ip_getsockopt()
1720 			info.ipi_addr.s_addr = inet->inet_rcv_saddr;  in do_ip_getsockopt()
1721 			info.ipi_spec_dst.s_addr = inet->inet_rcv_saddr;  in do_ip_getsockopt()
1722 			info.ipi_ifindex = inet->mc_index;  in do_ip_getsockopt()
1725 		if (inet->cmsg_flags & IP_CMSG_TTL) {  in do_ip_getsockopt()
1726 			int hlim = inet->mc_ttl;  in do_ip_getsockopt()
1729 		if (inet->cmsg_flags & IP_CMSG_TOS) {  in do_ip_getsockopt()
1730 			int tos = inet->rcv_tos;  in do_ip_getsockopt()
1737 		val = inet->freebind;  in do_ip_getsockopt()
1740 		val = inet->transparent;  in do_ip_getsockopt()
1743 		val = inet->min_ttl;  in do_ip_getsockopt()