BPFILTER_IPT_SO_GET_INFO 1563 net/ipv4/ip_sockglue.c if (optname >= BPFILTER_IPT_SO_GET_INFO && BPFILTER_IPT_SO_GET_INFO 1600 net/ipv4/ip_sockglue.c if (optname >= BPFILTER_IPT_SO_GET_INFO &&