| /*** |
| 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/can/netlink.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 "missing.h" |
| #include "netlink-types.h" |
| #include "string-table.h" |
| #include "util.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_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_MODE] = { .type = NETLINK_TYPE_U16 }, |
| }; |
| |
| static const NLType rtnl_link_info_data_macvlan_types[] = { |
| [IFLA_MACVLAN_MODE] = { .type = NETLINK_TYPE_U32 }, |
| [IFLA_MACVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 }, |
| }; |
| |
| static const NLType rtnl_link_info_data_bridge_types[] = { |
| [IFLA_BR_FORWARD_DELAY] = { .type = NETLINK_TYPE_U32 }, |
| [IFLA_BR_HELLO_TIME] = { .type = NETLINK_TYPE_U32 }, |
| [IFLA_BR_MAX_AGE] = { .type = NETLINK_TYPE_U32 }, |
| [IFLA_BR_AGEING_TIME] = { .type = NETLINK_TYPE_U32 }, |
| [IFLA_BR_STP_STATE] = { .type = NETLINK_TYPE_U32 }, |
| [IFLA_BR_PRIORITY] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_VLAN_FILTERING] = { .type = NETLINK_TYPE_U8 }, |
| [IFLA_BR_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_GROUP_FWD_MASK] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_ROOT_PORT] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_ROOT_PATH_COST] = { .type = NETLINK_TYPE_U32 }, |
| [IFLA_BR_TOPOLOGY_CHANGE] = { .type = NETLINK_TYPE_U8 }, |
| [IFLA_BR_TOPOLOGY_CHANGE_DETECTED] = { .type = NETLINK_TYPE_U8 }, |
| [IFLA_BR_HELLO_TIMER] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_TCN_TIMER] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_TOPOLOGY_CHANGE_TIMER] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_GC_TIMER] = { .type = NETLINK_TYPE_U64 }, |
| [IFLA_BR_GROUP_ADDR] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_FDB_FLUSH] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_MCAST_ROUTER] = { .type = NETLINK_TYPE_U8 }, |
| [IFLA_BR_MCAST_SNOOPING] = { .type = NETLINK_TYPE_U8 }, |
| [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NETLINK_TYPE_U8 }, |
| [IFLA_BR_MCAST_QUERIER] = { .type = NETLINK_TYPE_U8 }, |
| [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NETLINK_TYPE_U32 }, |
| [IFLA_BR_MCAST_HASH_MAX] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NETLINK_TYPE_U32 }, |
| [IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NETLINK_TYPE_U16 }, |
| [IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NETLINK_TYPE_U64 }, |
| [IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NETLINK_TYPE_U64 }, |
| [IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NETLINK_TYPE_U64 }, |
| [IFLA_BR_MCAST_QUERY_INTVL] = { .type = NETLINK_TYPE_U64 }, |
| [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NETLINK_TYPE_U64 }, |
| [IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NETLINK_TYPE_U64 }, |
| [IFLA_BR_NF_CALL_IPTABLES] = { .type = NETLINK_TYPE_U8 }, |
| [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NETLINK_TYPE_U8 }, |
| [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NETLINK_TYPE_U8 }, |
| [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NETLINK_TYPE_U16 }, |
| }; |
| |
| static const NLType rtnl_link_info_data_vlan_types[] = { |
| [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_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_IN_ADDR }, |
| [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_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_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_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_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_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_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 }, |
| }; |
| |
| static const NLType rtnl_link_info_data_vrf_types[] = { |
| [IFLA_VRF_TABLE] = { .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_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", |
| [NL_UNION_LINK_INFO_DATA_VRF] = "vrf", |
| [NL_UNION_LINK_INFO_DATA_VCAN] = "vcan", |
| }; |
| |
| DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData); |
| |
| static const NLTypeSystem rtnl_link_info_data_type_systems[] = { |
| [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 }, |
| [NL_UNION_LINK_INFO_DATA_VRF] = { .count = ELEMENTSOF(rtnl_link_info_data_vrf_types), |
| .types = rtnl_link_info_data_vrf_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_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_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_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_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_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_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[] = { |
| [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, |
| }; |
| |
| /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */ |
| |
| static const NLType rtnl_route_metrics_types[] = { |
| [RTAX_MTU] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_WINDOW] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_RTT] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_RTTVAR] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_SSTHRESH] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_CWND] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_ADVMSS] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_REORDERING] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_HOPLIMIT] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_INITCWND] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_FEATURES] = { .type = NETLINK_TYPE_U32 }, |
| [RTAX_RTO_MIN] = { .type = NETLINK_TYPE_U32 }, |
| }; |
| |
| static const NLTypeSystem rtnl_route_metrics_type_system = { |
| .count = ELEMENTSOF(rtnl_route_metrics_types), |
| .types = rtnl_route_metrics_types, |
| }; |
| |
| static const NLType rtnl_route_types[] = { |
| [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, .type_system = &rtnl_route_metrics_type_system}, |
| /* [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) }, |
| */ |
| [RTA_FLOW] = { .type = NETLINK_TYPE_U32 }, /* 6? */ |
| /* |
| RTA_CACHEINFO, |
| RTA_TABLE, |
| RTA_MARK, |
| RTA_MFC_STATS, |
| RTA_VIA, |
| RTA_NEWDST, |
| */ |
| [RTA_PREF] = { .type = NETLINK_TYPE_U8 }, |
| |
| }; |
| |
| static const NLTypeSystem rtnl_route_type_system = { |
| .count = ELEMENTSOF(rtnl_route_types), |
| .types = rtnl_route_types, |
| }; |
| |
| static const NLType rtnl_neigh_types[] = { |
| [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[] = { |
| [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; |
| } |