IP_CMSG_RETOPTS 210 net/ipv4/ip_sockglue.c if (flags & IP_CMSG_RETOPTS) { IP_CMSG_RETOPTS 213 net/ipv4/ip_sockglue.c flags &= ~IP_CMSG_RETOPTS; IP_CMSG_RETOPTS 708 net/ipv4/ip_sockglue.c inet->cmsg_flags |= IP_CMSG_RETOPTS; IP_CMSG_RETOPTS 710 net/ipv4/ip_sockglue.c inet->cmsg_flags &= ~IP_CMSG_RETOPTS; IP_CMSG_RETOPTS 1373 net/ipv4/ip_sockglue.c val = (inet->cmsg_flags & IP_CMSG_RETOPTS) != 0;