IPT_BASE_CTL 110 include/linux/netfilter_ipv4/ip_tables.h #define IPT_SO_SET_REPLACE (IPT_BASE_CTL) IPT_BASE_CTL 111 include/linux/netfilter_ipv4/ip_tables.h #define IPT_SO_SET_ADD_COUNTERS (IPT_BASE_CTL + 1) IPT_BASE_CTL 114 include/linux/netfilter_ipv4/ip_tables.h #define IPT_SO_GET_INFO (IPT_BASE_CTL) IPT_BASE_CTL 115 include/linux/netfilter_ipv4/ip_tables.h #define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1) IPT_BASE_CTL 116 include/linux/netfilter_ipv4/ip_tables.h #define IPT_SO_GET_REVISION_MATCH (IPT_BASE_CTL + 2) IPT_BASE_CTL 117 include/linux/netfilter_ipv4/ip_tables.h #define IPT_SO_GET_REVISION_TARGET (IPT_BASE_CTL + 3) IPT_BASE_CTL 2192 net/ipv4/netfilter/ip_tables.c .set_optmin = IPT_BASE_CTL, IPT_BASE_CTL 2198 net/ipv4/netfilter/ip_tables.c .get_optmin = IPT_BASE_CTL,