/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2014 Tom Gundersen systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ #include #include #include #include #include #include #include #include #include #include #include #include #include "macro.h" #include "util.h" #include "netlink-types.h" #include "missing.h" /* Maximum ARP IP target defined in kernel */ #define BOND_MAX_ARP_TARGETS 16 typedef enum { BOND_ARP_TARGETS_0, BOND_ARP_TARGETS_1, BOND_ARP_TARGETS_2, BOND_ARP_TARGETS_3, BOND_ARP_TARGETS_4, BOND_ARP_TARGETS_5, BOND_ARP_TARGETS_6, BOND_ARP_TARGETS_7, BOND_ARP_TARGETS_8, BOND_ARP_TARGETS_9, BOND_ARP_TARGETS_10, BOND_ARP_TARGETS_11, BOND_ARP_TARGETS_12, BOND_ARP_TARGETS_13, BOND_ARP_TARGETS_14, BOND_ARP_TARGETS_MAX = BOND_MAX_ARP_TARGETS, } BondArpTargets; struct NLType { uint16_t type; size_t size; const NLTypeSystem *type_system; const NLTypeSystemUnion *type_system_union; }; struct NLTypeSystem { uint16_t count; const NLType *types; }; static const NLTypeSystem rtnl_link_type_system; static const NLType empty_types[1] = { /* fake array to avoid .types==NULL, which denotes invalid type-systems */ }; static const NLTypeSystem empty_type_system = { .count = 0, .types = empty_types, }; static const NLType rtnl_link_info_data_veth_types[VETH_INFO_MAX + 1] = { [VETH_INFO_PEER] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) }, }; static const NLType rtnl_link_info_data_ipvlan_types[IFLA_IPVLAN_MAX + 1] = { [IFLA_IPVLAN_MODE] = { .type = NETLINK_TYPE_U16 }, }; static const NLType rtnl_link_info_data_macvlan_types[IFLA_MACVLAN_MAX + 1] = { [IFLA_MACVLAN_MODE] = { .type = NETLINK_TYPE_U32 }, [IFLA_MACVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 }, }; static const NLType rtnl_link_info_data_bridge_types[IFLA_BRIDGE_MAX + 1] = { [IFLA_BRIDGE_FLAGS] = { .type = NETLINK_TYPE_U16 }, [IFLA_BRIDGE_MODE] = { .type = NETLINK_TYPE_U16 }, /* [IFLA_BRIDGE_VLAN_INFO] = { .type = NETLINK_TYPE_BINARY, .len = sizeof(struct bridge_vlan_info), }, */ }; static const NLType rtnl_link_info_data_vlan_types[IFLA_VLAN_MAX + 1] = { [IFLA_VLAN_ID] = { .type = NETLINK_TYPE_U16 }, /* [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) }, [IFLA_VLAN_EGRESS_QOS] = { .type = NETLINK_TYPE_NESTED }, [IFLA_VLAN_INGRESS_QOS] = { .type = NETLINK_TYPE_NESTED }, */ [IFLA_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 }, }; static const NLType rtnl_link_info_data_vxlan_types[IFLA_VXLAN_MAX+1] = { [IFLA_VXLAN_ID] = { .type = NETLINK_TYPE_U32 }, [IFLA_VXLAN_GROUP] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_VXLAN_LINK] = { .type = NETLINK_TYPE_U32 }, [IFLA_VXLAN_LOCAL] = { .type = NETLINK_TYPE_U32}, [IFLA_VXLAN_TTL] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_TOS] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_LEARNING] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_AGEING] = { .type = NETLINK_TYPE_U32 }, [IFLA_VXLAN_LIMIT] = { .type = NETLINK_TYPE_U32 }, [IFLA_VXLAN_PORT_RANGE] = { .type = NETLINK_TYPE_U32}, [IFLA_VXLAN_PROXY] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_RSC] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_L2MISS] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_L3MISS] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_PORT] = { .type = NETLINK_TYPE_U16 }, [IFLA_VXLAN_GROUP6] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_VXLAN_LOCAL6] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_VXLAN_UDP_CSUM] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_REMCSUM_TX] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_REMCSUM_RX] = { .type = NETLINK_TYPE_U8 }, [IFLA_VXLAN_GBP] = { .type = NETLINK_TYPE_FLAG }, [IFLA_VXLAN_REMCSUM_NOPARTIAL] = { .type = NETLINK_TYPE_FLAG }, }; static const NLType rtnl_bond_arp_target_types[BOND_ARP_TARGETS_MAX + 1] = { [BOND_ARP_TARGETS_0] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_1] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_2] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_3] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_4] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_5] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_6] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_7] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_8] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_9] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_10] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_11] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_12] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_13] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_14] = { .type = NETLINK_TYPE_U32 }, [BOND_ARP_TARGETS_MAX] = { .type = NETLINK_TYPE_U32 }, }; static const NLTypeSystem rtnl_bond_arp_type_system = { .count = ELEMENTSOF(rtnl_bond_arp_target_types), .types = rtnl_bond_arp_target_types, }; static const NLType rtnl_link_info_data_bond_types[IFLA_BOND_MAX + 1] = { [IFLA_BOND_MODE] = { .type = NETLINK_TYPE_U8 }, [IFLA_BOND_ACTIVE_SLAVE] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_MIIMON] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_UPDELAY] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_DOWNDELAY] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_USE_CARRIER] = { .type = NETLINK_TYPE_U8 }, [IFLA_BOND_ARP_INTERVAL] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_ARP_IP_TARGET] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_bond_arp_type_system }, [IFLA_BOND_ARP_VALIDATE] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_PRIMARY] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_PRIMARY_RESELECT] = { .type = NETLINK_TYPE_U8 }, [IFLA_BOND_FAIL_OVER_MAC] = { .type = NETLINK_TYPE_U8 }, [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NETLINK_TYPE_U8 }, [IFLA_BOND_RESEND_IGMP] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NETLINK_TYPE_U8 }, [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NETLINK_TYPE_U8 }, [IFLA_BOND_MIN_LINKS] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_LP_INTERVAL] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NETLINK_TYPE_U32 }, [IFLA_BOND_AD_LACP_RATE] = { .type = NETLINK_TYPE_U8 }, [IFLA_BOND_AD_SELECT] = { .type = NETLINK_TYPE_U8 }, [IFLA_BOND_AD_INFO] = { .type = NETLINK_TYPE_NESTED }, }; static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = { [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 }, [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 }, [IFLA_IPTUN_TOS] = { .type = NETLINK_TYPE_U8 }, [IFLA_IPTUN_PMTUDISC] = { .type = NETLINK_TYPE_U8 }, [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U16 }, [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 }, [IFLA_IPTUN_6RD_PREFIX] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NETLINK_TYPE_U32 }, [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NETLINK_TYPE_U16 }, [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NETLINK_TYPE_U16 }, [IFLA_IPTUN_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 }, [IFLA_IPTUN_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 }, [IFLA_IPTUN_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 }, [IFLA_IPTUN_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 }, }; static const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = { [IFLA_GRE_LINK] = { .type = NETLINK_TYPE_U32 }, [IFLA_GRE_IFLAGS] = { .type = NETLINK_TYPE_U16 }, [IFLA_GRE_OFLAGS] = { .type = NETLINK_TYPE_U16 }, [IFLA_GRE_IKEY] = { .type = NETLINK_TYPE_U32 }, [IFLA_GRE_OKEY] = { .type = NETLINK_TYPE_U32 }, [IFLA_GRE_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_GRE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_GRE_TTL] = { .type = NETLINK_TYPE_U8 }, [IFLA_GRE_TOS] = { .type = NETLINK_TYPE_U8 }, [IFLA_GRE_PMTUDISC] = { .type = NETLINK_TYPE_U8 }, [IFLA_GRE_FLOWINFO] = { .type = NETLINK_TYPE_U32 }, [IFLA_GRE_FLAGS] = { .type = NETLINK_TYPE_U32 }, [IFLA_GRE_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 }, [IFLA_GRE_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 }, [IFLA_GRE_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 }, [IFLA_GRE_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 }, }; static const NLType rtnl_link_info_data_ipvti_types[IFLA_VTI_MAX + 1] = { [IFLA_VTI_LINK] = { .type = NETLINK_TYPE_U32 }, [IFLA_VTI_IKEY] = { .type = NETLINK_TYPE_U32 }, [IFLA_VTI_OKEY] = { .type = NETLINK_TYPE_U32 }, [IFLA_VTI_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_VTI_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR }, }; static const NLType rtnl_link_info_data_ip6tnl_types[IFLA_IPTUN_MAX + 1] = { [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 }, [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 }, [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U32 }, [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 }, [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NETLINK_TYPE_U8 }, [IFLA_IPTUN_FLOWINFO] = { .type = NETLINK_TYPE_U32 }, }; /* these strings must match the .kind entries in the kernel */ static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_MAX] = { [NL_UNION_LINK_INFO_DATA_BOND] = "bond", [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge", [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan", [NL_UNION_LINK_INFO_DATA_VETH] = "veth", [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy", [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan", [NL_UNION_LINK_INFO_DATA_MACVTAP] = "macvtap", [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan", [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan", [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip", [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre", [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap", [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre", [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap", [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit", [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti", [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6", [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl", }; DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData); static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_DATA_MAX] = { [NL_UNION_LINK_INFO_DATA_BOND] = { .count = ELEMENTSOF(rtnl_link_info_data_bond_types), .types = rtnl_link_info_data_bond_types }, [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .count = ELEMENTSOF(rtnl_link_info_data_bridge_types), .types = rtnl_link_info_data_bridge_types }, [NL_UNION_LINK_INFO_DATA_VLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vlan_types), .types = rtnl_link_info_data_vlan_types }, [NL_UNION_LINK_INFO_DATA_VETH] = { .count = ELEMENTSOF(rtnl_link_info_data_veth_types), .types = rtnl_link_info_data_veth_types }, [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types), .types = rtnl_link_info_data_macvlan_types }, [NL_UNION_LINK_INFO_DATA_MACVTAP] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types), .types = rtnl_link_info_data_macvlan_types }, [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvlan_types), .types = rtnl_link_info_data_ipvlan_types }, [NL_UNION_LINK_INFO_DATA_VXLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vxlan_types), .types = rtnl_link_info_data_vxlan_types }, [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types), .types = rtnl_link_info_data_iptun_types }, [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types), .types = rtnl_link_info_data_ipgre_types }, [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types), .types = rtnl_link_info_data_ipgre_types }, [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types), .types = rtnl_link_info_data_ipgre_types }, [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types), .types = rtnl_link_info_data_ipgre_types }, [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types), .types = rtnl_link_info_data_iptun_types }, [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types), .types = rtnl_link_info_data_ipvti_types }, [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types), .types = rtnl_link_info_data_ipvti_types }, [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types), .types = rtnl_link_info_data_ip6tnl_types }, }; static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = { .num = _NL_UNION_LINK_INFO_DATA_MAX, .lookup = nl_union_link_info_data_from_string, .type_systems = rtnl_link_info_data_type_systems, .match_type = NL_MATCH_SIBLING, .match = IFLA_INFO_KIND, }; static const NLType rtnl_link_info_types[IFLA_INFO_MAX + 1] = { [IFLA_INFO_KIND] = { .type = NETLINK_TYPE_STRING }, [IFLA_INFO_DATA] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_link_info_data_type_system_union}, /* [IFLA_INFO_XSTATS], [IFLA_INFO_SLAVE_KIND] = { .type = NETLINK_TYPE_STRING }, [IFLA_INFO_SLAVE_DATA] = { .type = NETLINK_TYPE_NESTED }, */ }; static const NLTypeSystem rtnl_link_info_type_system = { .count = ELEMENTSOF(rtnl_link_info_types), .types = rtnl_link_info_types, }; static const struct NLType rtnl_prot_info_bridge_port_types[IFLA_BRPORT_MAX + 1] = { [IFLA_BRPORT_STATE] = { .type = NETLINK_TYPE_U8 }, [IFLA_BRPORT_COST] = { .type = NETLINK_TYPE_U32 }, [IFLA_BRPORT_PRIORITY] = { .type = NETLINK_TYPE_U16 }, [IFLA_BRPORT_MODE] = { .type = NETLINK_TYPE_U8 }, [IFLA_BRPORT_GUARD] = { .type = NETLINK_TYPE_U8 }, [IFLA_BRPORT_PROTECT] = { .type = NETLINK_TYPE_U8 }, [IFLA_BRPORT_FAST_LEAVE] = { .type = NETLINK_TYPE_U8 }, [IFLA_BRPORT_LEARNING] = { .type = NETLINK_TYPE_U8 }, [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NETLINK_TYPE_U8 }, [IFLA_BRPORT_PROXYARP] = { .type = NETLINK_TYPE_U8 }, [IFLA_BRPORT_LEARNING_SYNC] = { .type = NETLINK_TYPE_U8 }, }; static const NLTypeSystem rtnl_prot_info_type_systems[AF_MAX] = { [AF_BRIDGE] = { .count = ELEMENTSOF(rtnl_prot_info_bridge_port_types), .types = rtnl_prot_info_bridge_port_types }, }; static const NLTypeSystemUnion rtnl_prot_info_type_system_union = { .num = AF_MAX, .type_systems = rtnl_prot_info_type_systems, .match_type = NL_MATCH_PROTOCOL, }; static const struct NLType rtnl_af_spec_inet6_types[IFLA_INET6_MAX + 1] = { [IFLA_INET6_FLAGS] = { .type = NETLINK_TYPE_U32 }, /* IFLA_INET6_CONF, IFLA_INET6_STATS, IFLA_INET6_MCAST, IFLA_INET6_CACHEINFO, IFLA_INET6_ICMP6STATS, */ [IFLA_INET6_TOKEN] = { .type = NETLINK_TYPE_IN_ADDR }, [IFLA_INET6_ADDR_GEN_MODE] = { .type = NETLINK_TYPE_U8 }, }; static const NLTypeSystem rtnl_af_spec_inet6_type_system = { .count = ELEMENTSOF(rtnl_af_spec_inet6_types), .types = rtnl_af_spec_inet6_types, }; static const NLType rtnl_af_spec_types[AF_MAX + 1] = { [AF_INET6] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_inet6_type_system }, }; static const NLTypeSystem rtnl_af_spec_type_system = { .count = ELEMENTSOF(rtnl_af_spec_types), .types = rtnl_af_spec_types, }; static const NLType rtnl_link_types[IFLA_MAX + 1 ] = { [IFLA_ADDRESS] = { .type = NETLINK_TYPE_ETHER_ADDR }, [IFLA_BROADCAST] = { .type = NETLINK_TYPE_ETHER_ADDR }, [IFLA_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 }, [IFLA_MTU] = { .type = NETLINK_TYPE_U32 }, [IFLA_LINK] = { .type = NETLINK_TYPE_U32 }, /* [IFLA_QDISC], [IFLA_STATS], [IFLA_COST], [IFLA_PRIORITY], */ [IFLA_MASTER] = { .type = NETLINK_TYPE_U32 }, /* [IFLA_WIRELESS], */ [IFLA_PROTINFO] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_prot_info_type_system_union }, [IFLA_TXQLEN] = { .type = NETLINK_TYPE_U32 }, /* [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) }, */ [IFLA_WEIGHT] = { .type = NETLINK_TYPE_U32 }, [IFLA_OPERSTATE] = { .type = NETLINK_TYPE_U8 }, [IFLA_LINKMODE] = { .type = NETLINK_TYPE_U8 }, [IFLA_LINKINFO] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_info_type_system }, [IFLA_NET_NS_PID] = { .type = NETLINK_TYPE_U32 }, [IFLA_IFALIAS] = { .type = NETLINK_TYPE_STRING, .size = IFALIASZ - 1 }, /* [IFLA_NUM_VF], [IFLA_VFINFO_LIST] = {. type = NETLINK_TYPE_NESTED, }, [IFLA_STATS64], [IFLA_VF_PORTS] = { .type = NETLINK_TYPE_NESTED }, [IFLA_PORT_SELF] = { .type = NETLINK_TYPE_NESTED }, */ [IFLA_AF_SPEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_type_system }, /* [IFLA_VF_PORTS], [IFLA_PORT_SELF], [IFLA_AF_SPEC], */ [IFLA_GROUP] = { .type = NETLINK_TYPE_U32 }, [IFLA_NET_NS_FD] = { .type = NETLINK_TYPE_U32 }, [IFLA_EXT_MASK] = { .type = NETLINK_TYPE_U32 }, [IFLA_PROMISCUITY] = { .type = NETLINK_TYPE_U32 }, [IFLA_NUM_TX_QUEUES] = { .type = NETLINK_TYPE_U32 }, [IFLA_NUM_RX_QUEUES] = { .type = NETLINK_TYPE_U32 }, [IFLA_CARRIER] = { .type = NETLINK_TYPE_U8 }, /* [IFLA_PHYS_PORT_ID] = { .type = NETLINK_TYPE_BINARY, .len = MAX_PHYS_PORT_ID_LEN }, */ }; static const NLTypeSystem rtnl_link_type_system = { .count = ELEMENTSOF(rtnl_link_types), .types = rtnl_link_types, }; /* IFA_FLAGS was defined in kernel 3.14, but we still support older * kernels where IFA_MAX is lower. */ static const NLType rtnl_address_types[CONST_MAX(IFA_MAX, IFA_FLAGS) + 1] = { [IFA_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR }, [IFA_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR }, [IFA_LABEL] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 }, [IFA_BROADCAST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */ [IFA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) }, /* [IFA_ANYCAST], [IFA_MULTICAST], */ [IFA_FLAGS] = { .type = NETLINK_TYPE_U32 }, }; static const NLTypeSystem rtnl_address_type_system = { .count = ELEMENTSOF(rtnl_address_types), .types = rtnl_address_types, }; static const NLType rtnl_route_types[RTA_MAX + 1] = { [RTA_DST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */ [RTA_SRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */ [RTA_IIF] = { .type = NETLINK_TYPE_U32 }, [RTA_OIF] = { .type = NETLINK_TYPE_U32 }, [RTA_GATEWAY] = { .type = NETLINK_TYPE_IN_ADDR }, [RTA_PRIORITY] = { .type = NETLINK_TYPE_U32 }, [RTA_PREFSRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */ /* [RTA_METRICS] = { .type = NETLINK_TYPE_NESTED }, [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) }, */ [RTA_FLOW] = { .type = NETLINK_TYPE_U32 }, /* 6? */ /* RTA_CACHEINFO, RTA_TABLE, RTA_MARK, RTA_MFC_STATS, */ }; static const NLTypeSystem rtnl_route_type_system = { .count = ELEMENTSOF(rtnl_route_types), .types = rtnl_route_types, }; static const NLType rtnl_neigh_types[NDA_MAX + 1] = { [NDA_DST] = { .type = NETLINK_TYPE_IN_ADDR }, [NDA_LLADDR] = { .type = NETLINK_TYPE_ETHER_ADDR }, [NDA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) }, [NDA_PROBES] = { .type = NETLINK_TYPE_U32 }, [NDA_VLAN] = { .type = NETLINK_TYPE_U16 }, [NDA_PORT] = { .type = NETLINK_TYPE_U16 }, [NDA_VNI] = { .type = NETLINK_TYPE_U32 }, [NDA_IFINDEX] = { .type = NETLINK_TYPE_U32 }, }; static const NLTypeSystem rtnl_neigh_type_system = { .count = ELEMENTSOF(rtnl_neigh_types), .types = rtnl_neigh_types, }; static const NLType rtnl_types[RTM_MAX + 1] = { [NLMSG_DONE] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = 0 }, [NLMSG_ERROR] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) }, [RTM_NEWLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) }, [RTM_DELLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) }, [RTM_GETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) }, [RTM_SETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) }, [RTM_NEWADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) }, [RTM_DELADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) }, [RTM_GETADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) }, [RTM_NEWROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) }, [RTM_DELROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) }, [RTM_GETROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) }, [RTM_NEWNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) }, [RTM_DELNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) }, [RTM_GETNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) }, }; const NLTypeSystem type_system_root = { .count = ELEMENTSOF(rtnl_types), .types = rtnl_types, }; uint16_t type_get_type(const NLType *type) { assert(type); return type->type; } size_t type_get_size(const NLType *type) { assert(type); return type->size; } void type_get_type_system(const NLType *nl_type, const NLTypeSystem **ret) { assert(nl_type); assert(ret); assert(nl_type->type == NETLINK_TYPE_NESTED); assert(nl_type->type_system); *ret = nl_type->type_system; } void type_get_type_system_union(const NLType *nl_type, const NLTypeSystemUnion **ret) { assert(nl_type); assert(ret); assert(nl_type->type == NETLINK_TYPE_UNION); assert(nl_type->type_system_union); *ret = nl_type->type_system_union; } uint16_t type_system_get_count(const NLTypeSystem *type_system) { assert(type_system); return type_system->count; } int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) { const NLType *nl_type; assert(ret); assert(type_system); assert(type_system->types); if (type >= type_system->count) return -EOPNOTSUPP; nl_type = &type_system->types[type]; if (nl_type->type == NETLINK_TYPE_UNSPEC) return -EOPNOTSUPP; *ret = nl_type; return 0; } int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) { const NLType *nl_type; int r; assert(ret); r = type_system_get_type(type_system, &nl_type, type); if (r < 0) return r; type_get_type_system(nl_type, ret); return 0; } int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) { const NLType *nl_type; int r; assert(ret); r = type_system_get_type(type_system, &nl_type, type); if (r < 0) return r; type_get_type_system_union(nl_type, ret); return 0; } int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) { int type; assert(type_system_union); assert(type_system_union->match_type == NL_MATCH_SIBLING); assert(type_system_union->lookup); assert(type_system_union->type_systems); assert(ret); assert(key); type = type_system_union->lookup(key); if (type < 0) return -EOPNOTSUPP; assert(type < type_system_union->num); *ret = &type_system_union->type_systems[type]; return 0; } int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) { const NLTypeSystem *type_system; assert(type_system_union); assert(type_system_union->type_systems); assert(type_system_union->match_type == NL_MATCH_PROTOCOL); assert(ret); if (protocol >= type_system_union->num) return -EOPNOTSUPP; type_system = &type_system_union->type_systems[protocol]; if (!type_system->types) return -EOPNOTSUPP; *ret = type_system; return 0; }