IP_CMSG_RETOPTS   502 net/ipv4/ip_sockglue.c 			inet->cmsg_flags |= IP_CMSG_RETOPTS;
IP_CMSG_RETOPTS   504 net/ipv4/ip_sockglue.c 			inet->cmsg_flags &= ~IP_CMSG_RETOPTS;
IP_CMSG_RETOPTS  1020 net/ipv4/ip_sockglue.c 		val = (inet->cmsg_flags & IP_CMSG_RETOPTS) != 0;