--- /dev/null
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Tom Gundersen <teg@jklm.no>
+
+ 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 <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdint.h>
+#include <sys/socket.h>
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>
+#include <linux/in6.h>
+#include <linux/veth.h>
+#include <linux/if_bridge.h>
+#include <linux/if_addr.h>
+#include <linux/if.h>
+
+#include <linux/ip.h>
+#include <linux/if_link.h>
+#include <linux/if_tunnel.h>
+
+#include "macro.h"
+#include "util.h"
+
+#include "rtnl-types.h"
+#include "missing.h"
+
+static const NLTypeSystem rtnl_link_type_system;
+
+static const NLType rtnl_link_info_data_veth_types[VETH_INFO_MAX + 1] = {
+ [VETH_INFO_PEER] = { .type = NLA_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 = NLA_U16 },
+};
+
+static const NLType rtnl_link_info_data_macvlan_types[IFLA_MACVLAN_MAX + 1] = {
+ [IFLA_MACVLAN_MODE] = { .type = NLA_U32 },
+ [IFLA_MACVLAN_FLAGS] = { .type = NLA_U16 },
+};
+
+static const NLType rtnl_link_info_data_bridge_types[IFLA_BRIDGE_MAX + 1] = {
+ [IFLA_BRIDGE_FLAGS] = { .type = NLA_U16 },
+ [IFLA_BRIDGE_MODE] = { .type = NLA_U16 },
+/*
+ [IFLA_BRIDGE_VLAN_INFO] = { .type = NLA_BINARY,
+ .len = sizeof(struct bridge_vlan_info), },
+*/
+};
+
+static const NLType rtnl_link_info_data_vlan_types[IFLA_VLAN_MAX + 1] = {
+ [IFLA_VLAN_ID] = { .type = NLA_U16 },
+/*
+ [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) },
+ [IFLA_VLAN_EGRESS_QOS] = { .type = NLA_NESTED },
+ [IFLA_VLAN_INGRESS_QOS] = { .type = NLA_NESTED },
+*/
+ [IFLA_VLAN_PROTOCOL] = { .type = NLA_U16 },
+};
+
+static const NLType rtnl_link_info_data_vxlan_types[IFLA_VXLAN_MAX+1] = {
+ [IFLA_VXLAN_ID] = { .type = NLA_U32 },
+ [IFLA_VXLAN_GROUP] = {.type = NLA_IN_ADDR },
+ [IFLA_VXLAN_LINK] = { .type = NLA_U32 },
+ [IFLA_VXLAN_LOCAL] = { .type = NLA_U32},
+ [IFLA_VXLAN_TTL] = { .type = NLA_U8 },
+ [IFLA_VXLAN_TOS] = { .type = NLA_U8 },
+ [IFLA_VXLAN_LEARNING] = { .type = NLA_U8 },
+ [IFLA_VXLAN_AGEING] = { .type = NLA_U32 },
+ [IFLA_VXLAN_LIMIT] = { .type = NLA_U32 },
+ [IFLA_VXLAN_PORT_RANGE] = { .type = NLA_U32},
+ [IFLA_VXLAN_PROXY] = { .type = NLA_U8 },
+ [IFLA_VXLAN_RSC] = { .type = NLA_U8 },
+ [IFLA_VXLAN_L2MISS] = { .type = NLA_U8 },
+ [IFLA_VXLAN_L3MISS] = { .type = NLA_U8 },
+};
+
+static const NLType rtnl_link_info_data_bond_types[IFLA_BOND_MAX + 1] = {
+ [IFLA_BOND_MODE] = { .type = NLA_U8 },
+ [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
+ [IFLA_BOND_MIIMON] = { .type = NLA_U32 },
+ [IFLA_BOND_UPDELAY] = { .type = NLA_U32 },
+ [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 },
+ [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 },
+ [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 },
+ [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED },
+ [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 },
+ [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 },
+ [IFLA_BOND_PRIMARY] = { .type = NLA_U32 },
+ [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 },
+ [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 },
+ [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 },
+ [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 },
+ [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 },
+ [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 },
+ [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
+ [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 },
+ [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 },
+ [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 },
+ [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 },
+ [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED },
+};
+
+static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = {
+ [IFLA_IPTUN_LINK] = { .type = NLA_U32 },
+ [IFLA_IPTUN_LOCAL] = { .type = NLA_IN_ADDR },
+ [IFLA_IPTUN_REMOTE] = { .type = NLA_IN_ADDR },
+ [IFLA_IPTUN_TTL] = { .type = NLA_U8 },
+ [IFLA_IPTUN_TOS] = { .type = NLA_U8 },
+ [IFLA_IPTUN_PMTUDISC] = { .type = NLA_U8 },
+ [IFLA_IPTUN_FLAGS] = { .type = NLA_U16 },
+ [IFLA_IPTUN_PROTO] = { .type = NLA_U8 },
+ [IFLA_IPTUN_6RD_PREFIX] = { .type = NLA_IN_ADDR },
+ [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NLA_U32 },
+ [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NLA_U16 },
+ [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NLA_U16 },
+};
+
+static const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = {
+ [IFLA_GRE_LINK] = { .type = NLA_U32 },
+ [IFLA_GRE_IFLAGS] = { .type = NLA_U16 },
+ [IFLA_GRE_OFLAGS] = { .type = NLA_U16 },
+ [IFLA_GRE_IKEY] = { .type = NLA_U32 },
+ [IFLA_GRE_OKEY] = { .type = NLA_U32 },
+ [IFLA_GRE_LOCAL] = { .type = NLA_IN_ADDR },
+ [IFLA_GRE_REMOTE] = { .type = NLA_IN_ADDR },
+ [IFLA_GRE_TTL] = { .type = NLA_U8 },
+ [IFLA_GRE_TOS] = { .type = NLA_U8 },
+ [IFLA_GRE_PMTUDISC] = { .type = NLA_U8 },
+};
+
+static const NLType rtnl_link_info_data_ipvti_types[IFLA_VTI_MAX + 1] = {
+ [IFLA_VTI_LINK] = { .type = NLA_U32 },
+ [IFLA_VTI_IKEY] = { .type = NLA_U32 },
+ [IFLA_VTI_OKEY] = { .type = NLA_U32 },
+ [IFLA_VTI_LOCAL] = { .type = NLA_IN_ADDR },
+ [IFLA_VTI_REMOTE] = { .type = NLA_IN_ADDR },
+};
+
+static const NLType rtnl_link_info_data_ip6tnl_types[IFLA_IPTUN_MAX + 1] = {
+ [IFLA_IPTUN_LINK] = { .type = NLA_U32 },
+ [IFLA_IPTUN_LOCAL] = { .type = NLA_IN_ADDR },
+ [IFLA_IPTUN_REMOTE] = { .type = NLA_IN_ADDR },
+ [IFLA_IPTUN_TTL] = { .type = NLA_U8 },
+ [IFLA_IPTUN_FLAGS] = { .type = NLA_U32 },
+ [IFLA_IPTUN_PROTO] = { .type = NLA_U8 },
+ [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NLA_U8 },
+ [IFLA_IPTUN_FLOWINFO] = { .type = NLA_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_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_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] = { .max = ELEMENTSOF(rtnl_link_info_data_bond_types) - 1,
+ .types = rtnl_link_info_data_bond_types },
+ [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .max = ELEMENTSOF(rtnl_link_info_data_bridge_types) - 1,
+ .types = rtnl_link_info_data_bridge_types },
+ [NL_UNION_LINK_INFO_DATA_VLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vlan_types) - 1,
+ .types = rtnl_link_info_data_vlan_types },
+ [NL_UNION_LINK_INFO_DATA_VETH] = { .max = ELEMENTSOF(rtnl_link_info_data_veth_types) - 1,
+ .types = rtnl_link_info_data_veth_types },
+ [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_macvlan_types) - 1,
+ .types = rtnl_link_info_data_macvlan_types },
+ [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvlan_types) - 1,
+ .types = rtnl_link_info_data_ipvlan_types },
+ [NL_UNION_LINK_INFO_DATA_VXLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vxlan_types) - 1,
+ .types = rtnl_link_info_data_vxlan_types },
+ [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
+ .types = rtnl_link_info_data_iptun_types },
+ [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
+ .types = rtnl_link_info_data_ipgre_types },
+ [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
+ .types = rtnl_link_info_data_ipgre_types },
+ [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
+ .types = rtnl_link_info_data_ipgre_types },
+ [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
+ .types = rtnl_link_info_data_ipgre_types },
+ [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
+ .types = rtnl_link_info_data_iptun_types },
+ [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1,
+ .types = rtnl_link_info_data_ipvti_types },
+ [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types) - 1,
+ .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 = NLA_STRING },
+ [IFLA_INFO_DATA] = { .type = NLA_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
+/*
+ [IFLA_INFO_XSTATS],
+ [IFLA_INFO_SLAVE_KIND] = { .type = NLA_STRING },
+ [IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED },
+*/
+};
+
+static const NLTypeSystem rtnl_link_info_type_system = {
+ .max = ELEMENTSOF(rtnl_link_info_types) - 1,
+ .types = rtnl_link_info_types,
+};
+
+static const struct NLType rtnl_prot_info_bridge_port_types[IFLA_BRPORT_MAX + 1] = {
+ [IFLA_BRPORT_STATE] = { .type = NLA_U8 },
+ [IFLA_BRPORT_COST] = { .type = NLA_U32 },
+ [IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 },
+ [IFLA_BRPORT_MODE] = { .type = NLA_U8 },
+ [IFLA_BRPORT_GUARD] = { .type = NLA_U8 },
+ [IFLA_BRPORT_PROTECT] = { .type = NLA_U8 },
+ [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 },
+ [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 },
+};
+
+static const NLTypeSystem rtnl_prot_info_type_systems[AF_MAX] = {
+ [AF_BRIDGE] = { .max = ELEMENTSOF(rtnl_prot_info_bridge_port_types) - 1,
+ .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 = NLA_U32 },
+/*
+ IFLA_INET6_CONF,
+ IFLA_INET6_STATS,
+ IFLA_INET6_MCAST,
+ IFLA_INET6_CACHEINFO,
+ IFLA_INET6_ICMP6STATS,
+*/
+ [IFLA_INET6_TOKEN] = { .type = NLA_IN_ADDR },
+ [IFLA_INET6_ADDR_GEN_MODE] = { .type = NLA_U8 },
+};
+
+static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
+ .max = ELEMENTSOF(rtnl_af_spec_inet6_types) - 1,
+ .types = rtnl_af_spec_inet6_types,
+};
+
+static const NLType rtnl_af_spec_types[AF_MAX + 1] = {
+ [AF_INET6] = { .type = NLA_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
+};
+
+static const NLTypeSystem rtnl_af_spec_type_system = {
+ .max = ELEMENTSOF(rtnl_af_spec_types) - 1,
+ .types = rtnl_af_spec_types,
+};
+
+static const NLType rtnl_link_types[IFLA_MAX + 1 ] = {
+ [IFLA_ADDRESS] = { .type = NLA_ETHER_ADDR, },
+ [IFLA_BROADCAST] = { .type = NLA_ETHER_ADDR, },
+ [IFLA_IFNAME] = { .type = NLA_STRING, .size = IFNAMSIZ - 1, },
+ [IFLA_MTU] = { .type = NLA_U32 },
+ [IFLA_LINK] = { .type = NLA_U32 },
+/*
+ [IFLA_QDISC],
+ [IFLA_STATS],
+ [IFLA_COST],
+ [IFLA_PRIORITY],
+*/
+ [IFLA_MASTER] = { .type = NLA_U32 },
+/*
+ [IFLA_WIRELESS],
+*/
+ [IFLA_PROTINFO] = { .type = NLA_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
+ [IFLA_TXQLEN] = { .type = NLA_U32 },
+/*
+ [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
+*/
+ [IFLA_WEIGHT] = { .type = NLA_U32 },
+ [IFLA_OPERSTATE] = { .type = NLA_U8 },
+ [IFLA_LINKMODE] = { .type = NLA_U8 },
+ [IFLA_LINKINFO] = { .type = NLA_NESTED, .type_system = &rtnl_link_info_type_system },
+ [IFLA_NET_NS_PID] = { .type = NLA_U32 },
+ [IFLA_IFALIAS] = { .type = NLA_STRING, .size = IFALIASZ - 1 },
+/*
+ [IFLA_NUM_VF],
+ [IFLA_VFINFO_LIST] = {. type = NLA_NESTED, },
+ [IFLA_STATS64],
+ [IFLA_VF_PORTS] = { .type = NLA_NESTED },
+ [IFLA_PORT_SELF] = { .type = NLA_NESTED },
+*/
+ [IFLA_AF_SPEC] = { .type = NLA_NESTED, .type_system = &rtnl_af_spec_type_system },
+/*
+ [IFLA_VF_PORTS],
+ [IFLA_PORT_SELF],
+ [IFLA_AF_SPEC],
+*/
+ [IFLA_GROUP] = { .type = NLA_U32 },
+ [IFLA_NET_NS_FD] = { .type = NLA_U32 },
+ [IFLA_EXT_MASK] = { .type = NLA_U32 },
+ [IFLA_PROMISCUITY] = { .type = NLA_U32 },
+ [IFLA_NUM_TX_QUEUES] = { .type = NLA_U32 },
+ [IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 },
+ [IFLA_CARRIER] = { .type = NLA_U8 },
+/*
+ [IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
+*/
+};
+
+static const NLTypeSystem rtnl_link_type_system = {
+ .max = ELEMENTSOF(rtnl_link_types) - 1,
+ .types = rtnl_link_types,
+};
+
+static const NLType rtnl_address_types[IFA_MAX + 1] = {
+ [IFA_ADDRESS] = { .type = NLA_IN_ADDR },
+ [IFA_LOCAL] = { .type = NLA_IN_ADDR },
+ [IFA_LABEL] = { .type = NLA_STRING, .size = IFNAMSIZ - 1 },
+ [IFA_BROADCAST] = { .type = NLA_IN_ADDR }, /* 6? */
+ [IFA_CACHEINFO] = { .type = NLA_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
+/*
+ [IFA_ANYCAST],
+ [IFA_MULTICAST],
+ [IFA_FLAGS] = { .type = NLA_U32 },
+*/
+};
+
+static const NLTypeSystem rtnl_address_type_system = {
+ .max = ELEMENTSOF(rtnl_address_types) - 1,
+ .types = rtnl_address_types,
+};
+
+static const NLType rtnl_route_types[RTA_MAX + 1] = {
+ [RTA_DST] = { .type = NLA_IN_ADDR }, /* 6? */
+ [RTA_SRC] = { .type = NLA_IN_ADDR }, /* 6? */
+ [RTA_IIF] = { .type = NLA_U32 },
+ [RTA_OIF] = { .type = NLA_U32 },
+ [RTA_GATEWAY] = { .type = NLA_IN_ADDR },
+ [RTA_PRIORITY] = { .type = NLA_U32 },
+ [RTA_PREFSRC] = { .type = NLA_IN_ADDR }, /* 6? */
+/*
+ [RTA_METRICS] = { .type = NLA_NESTED },
+ [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) },
+*/
+ [RTA_FLOW] = { .type = NLA_U32 }, /* 6? */
+/*
+ RTA_CACHEINFO,
+ RTA_TABLE,
+ RTA_MARK,
+ RTA_MFC_STATS,
+*/
+};
+
+static const NLTypeSystem rtnl_route_type_system = {
+ .max = ELEMENTSOF(rtnl_route_types) - 1,
+ .types = rtnl_route_types,
+};
+
+static const NLType rtnl_neigh_types[NDA_MAX + 1] = {
+ [NDA_DST] = { .type = NLA_IN_ADDR },
+ [NDA_LLADDR] = { .type = NLA_ETHER_ADDR },
+ [NDA_CACHEINFO] = { .type = NLA_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
+ [NDA_PROBES] = { .type = NLA_U32 },
+ [NDA_VLAN] = { .type = NLA_U16 },
+ [NDA_PORT] = { .type = NLA_U16 },
+ [NDA_VNI] = { .type = NLA_U32 },
+ [NDA_IFINDEX] = { .type = NLA_U32 },
+};
+
+static const NLTypeSystem rtnl_neigh_type_system = {
+ .max = ELEMENTSOF(rtnl_neigh_types) - 1,
+ .types = rtnl_neigh_types,
+};
+
+static const NLType rtnl_types[RTM_MAX + 1] = {
+ [NLMSG_DONE] = { .type = NLA_META, .size = 0 },
+ [NLMSG_ERROR] = { .type = NLA_META, .size = sizeof(struct nlmsgerr) },
+ [RTM_NEWLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
+ [RTM_DELLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
+ [RTM_GETLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
+ [RTM_SETLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
+ [RTM_NEWADDR] = { .type = NLA_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
+ [RTM_DELADDR] = { .type = NLA_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
+ [RTM_GETADDR] = { .type = NLA_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
+ [RTM_NEWROUTE] = { .type = NLA_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
+ [RTM_DELROUTE] = { .type = NLA_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
+ [RTM_GETROUTE] = { .type = NLA_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
+ [RTM_NEWNEIGH] = { .type = NLA_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
+ [RTM_DELNEIGH] = { .type = NLA_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
+ [RTM_GETNEIGH] = { .type = NLA_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
+};
+
+const NLTypeSystem rtnl_type_system = {
+ .max = ELEMENTSOF(rtnl_types) - 1,
+ .types = rtnl_types,
+};
+
+int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
+ const NLType *nl_type;
+
+ assert(ret);
+
+ if (!type_system)
+ type_system = &rtnl_type_system;
+
+ assert(type_system->types);
+
+ if (type > type_system->max)
+ return -EOPNOTSUPP;
+
+ nl_type = &type_system->types[type];
+
+ if (nl_type->type == NLA_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;
+
+ assert(nl_type->type == NLA_NESTED);
+ assert(nl_type->type_system);
+
+ *ret = nl_type->type_system;
+
+ 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;
+
+ assert(nl_type->type == NLA_UNION);
+ assert(nl_type->type_system_union);
+
+ *ret = nl_type->type_system_union;
+
+ 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->max == 0)
+ return -EOPNOTSUPP;
+
+ *ret = type_system;
+
+ return 0;
+}
~ianmdlvl / elogind.git / blobdiff