| /**************************************************************************** |
| * include/netpacket/netlink.h |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __INCLUDE_NETPACKET_NETLINK_H |
| #define __INCLUDE_NETPACKET_NETLINK_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| #include <nuttx/compiler.h> |
| |
| #include <sys/socket.h> |
| #include <stdint.h> |
| |
| #include <netpacket/if_addr.h> |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Netlink socket protocols *************************************************/ |
| |
| /* The AF_NETLINK family offers multiple protocol subsets. Each interfaces |
| * to a different kernel component and has a different messaging subset. The |
| * subset is referenced by the protocol field in the socket call: |
| * |
| * int socket(AF_NETLINK, SOCK_DGRAM or SOCK_RAW, protocol) |
| * |
| * Ref. Wikipedia.org |
| * |
| * Namespace is Linux compatible. |
| */ |
| |
| #define NETLINK_ROUTE 0 /* Routing/device hook for user-space |
| * routing daemons (default) */ |
| #define NETLINK_UNUSED 1 /* Unused number */ |
| #define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */ |
| #define NETLINK_FIREWALL 3 /* Interface to receive packets from |
| * the firewall */ |
| #define NETLINK_SOCK_DIAG 4 /* Socket monitoring */ |
| #define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */ |
| #define NETLINK_XFRM 6 /* Interface to IPsec security databases |
| * for key-manager daemons using the |
| * Internet Key Exchange protocol. */ |
| #define NETLINK_SELINUX 7 /* SELinux event notifications */ |
| #define NETLINK_ISCSI 8 /* Open-iSCSI */ |
| #define NETLINK_AUDIT 9 /* Interface to auditing sub-system */ |
| #define NETLINK_FIB_LOOKUP 10 |
| #define NETLINK_CONNECTOR 11 |
| #define NETLINK_NETFILTER 12 /* netfilter subsystem */ |
| #define NETLINK_IP6_FW 13 /* Interface to transport packets from |
| * netfilter to user-space. */ |
| #define NETLINK_DNRTMSG 14 /* DECnet routing messages */ |
| #define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */ |
| #define NETLINK_GENERIC 16 |
| /* NETLINK_DM (DM Events) */ |
| #define NETLINK_SCSITRANSPORT 18 /* SCSI Transports */ |
| #define NETLINK_ECRYPTFS 19 |
| #define NETLINK_RDMA 20 |
| #define NETLINK_CRYPTO 21 /* Crypto layer */ |
| #define NETLINK_SMC 22 /* SMC monitoring */ |
| |
| /* Definitions associated with struct sockaddr_nl ***************************/ |
| |
| /* Flags values */ |
| |
| #define NLM_F_REQUEST 0x0001 /* It is request message. */ |
| #define NLM_F_MULTI 0x0002 /* Multipart message, terminated by NLMSG_DONE */ |
| #define NLM_F_ACK 0x0004 /* Reply with ack, with zero or error code */ |
| #define NLM_F_ECHO 0x0008 /* Echo this request */ |
| #define NLM_F_DUMP_INTR 0x0010 /* Dump was inconsistent due to sequence change */ |
| #define NLM_F_DUMP_FILTERED 0x0020 /* Dump was filtered as requested */ |
| |
| /* Modifiers to GET request */ |
| |
| #define NLM_F_ROOT 0x0100 /* specify tree root */ |
| #define NLM_F_MATCH 0x0200 /* return all matching */ |
| #define NLM_F_ATOMIC 0x0400 /* atomic GET */ |
| #define NLM_F_DUMP (NLM_F_ROOT | NLM_F_MATCH) |
| |
| /* Modifiers to NEW request */ |
| |
| #define NLM_F_REPLACE 0x0100 /* Override existing */ |
| #define NLM_F_EXCL 0x0200 /* Do not touch, if it exists */ |
| #define NLM_F_CREATE 0x0400 /* Create, if it does not exist */ |
| #define NLM_F_APPEND 0x0800 /* Add to end of list */ |
| |
| /* Modifiers to DELETE request */ |
| |
| #define NLM_F_NONREC 0x0100 /* Do not delete recursively */ |
| |
| /* Flags for ACK message */ |
| |
| #define NLM_F_CAPPED 0x0100 /* request was capped */ |
| #define NLM_F_ACK_TLVS 0x0200 /* extended ACK TVLs were included */ |
| |
| /* Definitions for struct nlmsghdr ******************************************/ |
| |
| #define NLMSG_MASK (sizeof(uint32_t) - 1) |
| #define NLMSG_ALIGN(n) (((n) + NLMSG_MASK) & ~NLMSG_MASK) |
| #define NLMSG_HDRLEN sizeof(struct nlmsghdr) |
| #define NLMSG_LENGTH(n) (NLMSG_HDRLEN + (n)) |
| #define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len)) |
| #define NLMSG_DATA(hdr) ((FAR void *)(((FAR char *)hdr) + NLMSG_HDRLEN)) |
| #define NLMSG_NEXT(hdr, n) \ |
| ((n) -= NLMSG_ALIGN((hdr)->nlmsg_len), \ |
| (FAR struct nlmsghdr *) \ |
| (((FAR char *)(hdr)) + NLMSG_ALIGN((hdr)->nlmsg_len))) |
| #define NLMSG_OK(nlh, len) \ |
| ((len) >= (int)sizeof(struct nlmsghdr) && \ |
| (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \ |
| (nlh)->nlmsg_len <= (len)) |
| #define NLMSG_PAYLOAD(hdr, len) \ |
| ((hdr)->nlmsg_len - NLMSG_SPACE(len)) |
| |
| #define NLMSG_NOOP 1 /* Nothing */ |
| #define NLMSG_ERROR 2 /* Error */ |
| #define NLMSG_DONE 3 /* End of a dump */ |
| #define NLMSG_OVERRUN 4 /* Data lost */ |
| #define NLMSG_MIN_TYPE 16 /* < 16: Reserved control messages */ |
| |
| /* Attribute definitions for struct rtattr **********************************/ |
| |
| /* Macros to handle attribute lists */ |
| |
| #define RTA_MASK (sizeof(uint32_t) - 1) |
| #define RTA_ALIGN(n) (((n) + RTA_MASK) & ~RTA_MASK) |
| #define RTA_OK(rta, n) \ |
| ((n) >= (int)sizeof(struct rtattr) && \ |
| (rta)->rta_len >= sizeof(struct rtattr) && \ |
| (rta)->rta_len <= (n)) |
| #define RTA_NEXT(rta, attrlen) \ |
| ((attrlen) -= RTA_ALIGN((rta)->rta_len), \ |
| (FAR struct rtattr *)(((FAR char *)(rta)) + RTA_ALIGN((rta)->rta_len))) |
| #define RTA_LENGTH(n) (sizeof(struct rtattr) + (n)) |
| #define RTA_SPACE(n) RTA_ALIGN(RTA_LENGTH(n)) |
| #define RTA_DATA(rta) ((FAR void *)(((FAR char *)(rta)) + RTA_LENGTH(0))) |
| #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0)) |
| |
| /* NETLINK_ROUTE: Routing table attributes */ |
| |
| #define RTA_UNSPEC 0 /* Inored */ |
| #define RTA_DST 1 /* Argument: Route destination address */ |
| #define RTA_SRC 2 /* Argument: Route source address */ |
| #define RTA_IIF 3 /* Argument: Input interface index */ |
| #define RTA_OIF 4 /* Argument: Output interface index */ |
| #define RTA_GATEWAY 5 /* Argument: Gateway address of the route */ |
| #define RTA_GENMASK 6 /* Argument: Network address mask of sub-net */ |
| #define RTA_PRIORITY 7 /* Argument: Route priority */ |
| #define RTA_TABLE 8 /* Argument: Route table */ |
| #define RTA_PREFSRC 9 /* Argument: Preferred source address */ |
| #define RTA_METRICS 10 /* Argument: Route metric */ |
| #define RTA_MAX 10 /* MAX type, same as last argument */ |
| |
| /* NETLINK_ROUTE protocol message types *************************************/ |
| |
| /* Link layer: |
| * |
| * RTM_NEWLINK, RTM_DELLINK, RTM_GETLINK |
| * Create, remove or get information about a specific network interface. |
| * These messages contain an ifinfomsg structure followed by a series |
| * of rtattr structures. |
| */ |
| |
| #define RTM_NEWLINK 16 |
| #define RTM_DELLINK 17 |
| #define RTM_GETLINK 18 |
| #define RTM_SETLINK 19 |
| |
| /* Address settings: |
| * |
| * RTM_NEWADDR, RTM_DELADDR, RTM_GETADDR |
| * Add, remove or receive information about an IP address associated with |
| * an interface. These messages contain an ifaddrmsg structure, optionally |
| * followed by rtattr routing attributes. |
| */ |
| |
| #define RTM_NEWADDR 20 |
| #define RTM_DELADDR 21 |
| #define RTM_GETADDR 22 |
| |
| /* Routing tables: |
| * |
| * RTM_NEWROUTE, RTM_DELROUTE, RTM_GETROUTE |
| * Create, remove or receive information about a network route. These |
| * messages contain an rtmsg structure with an optional sequence of |
| * rtattr structures following. |
| * |
| * For RTM_GETROUTE, setting rtm_dst_len and rtm_src_len to 0 means you |
| * get all entries for the specified routing table. For the other fields, |
| * except rtm_table and rtm_protocol, 0 is the wildcard. |
| */ |
| |
| #define RTM_NEWROUTE 24 |
| #define RTM_DELROUTE 25 |
| #define RTM_GETROUTE 26 |
| |
| /* Neighbor cache: |
| * |
| * RTM_NEWNEIGH, RTM_DELNEIGH, RTM_GETNEIGH |
| * Add, remove or receive information about a neighbor table entry (e.g., |
| * an ARP entry). The message contains an ndmsg structure. |
| */ |
| |
| #define RTM_NEWNEIGH 28 |
| #define RTM_DELNEIGH 29 |
| #define RTM_GETNEIGH 30 |
| |
| /* Routing rules: |
| * |
| * RTM_NEWRULE, RTM_DELRULE, RTM_GETRULE |
| * Add, delete or retrieve a routing rule. Carries a struct rtmsg |
| */ |
| |
| #define RTM_NEWRULE 32 |
| #define RTM_DELRULE 33 |
| #define RTM_GETRULE 34 |
| |
| /* Queuing discipline settings: |
| * |
| * RTM_NEWQDISC, RTM_DELQDISC, RTM_GETQDISC |
| * Add, remove or get a queuing discipline. The message contains a |
| * struct tcmsg and may be followed by a series of attributes. |
| */ |
| |
| #define RTM_NEWQDISC 36 |
| #define RTM_DELQDISC 37 |
| #define RTM_GETQDISC 38 |
| |
| /* Traffic classes used with queues: |
| * |
| * RTM_NEWTCLASS, RTM_DELTCLASS, RTM_GETTCLASS |
| * Add, remove or get a traffic class. These messages contain a struct |
| * tcmsg as described above. |
| */ |
| |
| #define RTM_NEWTCLASS 40 |
| #define RTM_DELTCLASS 41 |
| #define RTM_GETTCLASS 42 |
| |
| /* Traffic filters: |
| * |
| * RTM_NEWTFILTER, RTM_DELTFILTER, RTM_GETTFILTER |
| * Add, remove or receive information about a traffic filter. These |
| * messages contain a struct tcmsg as described above. |
| */ |
| |
| #define RTM_NEWTFILTER 44 |
| #define RTM_DELTFILTER 45 |
| #define RTM_GETTFILTER 46 |
| |
| /* Others: */ |
| |
| #define RTM_NEWACTION 48 |
| #define RTM_DELACTION 49 |
| #define RTM_GETACTION 50 |
| #define RTM_NEWPREFIX 52 |
| #define RTM_GETMULTICAST 58 |
| #define RTM_GETANYCAST 62 |
| #define RTM_NEWNEIGHTBL 64 |
| #define RTM_GETNEIGHTBL 66 |
| #define RTM_SETNEIGHTBL 67 |
| #define RTM_NEWNDUSEROPT 68 |
| |
| #define RTM_BASE 16 |
| #define RTM_MAX 68 |
| |
| /* Definitions for struct ifinfomsg *****************************************/ |
| |
| #define IFLA_RTA(r) ((FAR struct rtattr *) \ |
| (((FAR char *)(r)) + \ |
| NLMSG_ALIGN(sizeof(struct ifinfomsg)))) |
| #define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n, sizeof(struct ifinfomsg)) |
| |
| /* Values for rta_type */ |
| |
| #define IFLA_IFNAME 1 |
| #define IFLA_ADDRESS 2 |
| #define IFLA_MTU 3 |
| #define IFLA_WIRELESS 4 |
| #define IFLA_STATS 5 |
| #define IFLA_OPERSTATE 6 |
| #define IFLA_LINKMODE 7 |
| #define IFLA_BROADCAST 8 |
| #define IFLA_LINK 9 |
| #define IFLA_QDISC 10 |
| #define IFLA_COST 11 |
| #define IFLA_PRIORITY 12 |
| #define IFLA_MASTER 13 |
| #define IFLA_PROTINFO 14 |
| #define IFLA_TXQLEN 15 |
| #define IFLA_MAP 16 |
| #define IFLA_WEIGHT 17 |
| |
| /* Definitions for struct rtmsg *********************************************/ |
| |
| #define RTM_RTA(r) ((FAR struct rtattr *)\ |
| (((FAR char *)(r)) + \ |
| NLMSG_ALIGN(sizeof(struct rtmsg)))) |
| #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n, sizeof(struct rtmsg)) |
| |
| /* rtm_table. Routing table identifiers */ |
| |
| #define RT_TABLE_UNSPEC 0 |
| /* 1-251: User defined values */ |
| #define RT_TABLE_MAIN 254 |
| #define RT_TABLE_MAX 0xffffffff |
| |
| /* rtm_type */ |
| |
| #define RTN_UNSPEC 0 |
| #define RTN_UNICAST 1 /* Gateway or direct route */ |
| #define RTN_LOCAL 2 /* Accept locally */ |
| #define RTN_BROADCAST 3 /* Accept locally as broadcast; |
| * send as broadcast */ |
| #define RTN_ANYCAST 4 /* Accept locally as broadcast |
| * but send as unicast */ |
| #define RTN_MULTICAST 5 /* Multicast route */ |
| |
| /* rtm_protocol */ |
| |
| #define RTPROT_UNSPEC 0 |
| #define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects */ |
| #define RTPROT_KERNEL 2 /* Route installed by kernel */ |
| #define RTPROT_BOOT 3 /* Route installed during boot */ |
| #define RTPROT_STATIC 4 /* Route installed by administrator */ |
| #define RTPROT_RA 9 /* RDISC/ND router advertisements */ |
| #define RTPROT_DHCP 16 /* DHCP client */ |
| |
| /* rtm_scope */ |
| |
| #define RT_SCOPE_UNIVERSE 0 /* Global route */ |
| /* 1-199: User defined values */ |
| #define RT_SCOPE_SITE 200 /* Interior route in local system */ |
| #define RT_SCOPE_LINK 253 /* Route on this link */ |
| #define RT_SCOPE_HOST 254 /* Route on local host */ |
| #define RT_SCOPE_NOWHERE 255 /* Destination does not exist */ |
| |
| /* RTnetlink multicast groups (userspace) */ |
| |
| #define RTMGRP_LINK 1 |
| #define RTMGRP_NOTIFY 2 |
| #define RTMGRP_NEIGH 4 |
| #define RTMGRP_TC 8 |
| |
| #define RTMGRP_IPV4_IFADDR 0x10 |
| #define RTMGRP_IPV4_MROUTE 0x20 |
| #define RTMGRP_IPV4_ROUTE 0x40 |
| #define RTMGRP_IPV4_RULE 0x80 |
| |
| #define RTMGRP_IPV6_IFADDR 0x100 |
| #define RTMGRP_IPV6_MROUTE 0x200 |
| #define RTMGRP_IPV6_ROUTE 0x400 |
| #define RTMGRP_IPV6_IFINFO 0x800 |
| |
| #define RTMGRP_DECnet_IFADDR 0x1000 |
| #define RTMGRP_DECnet_ROUTE 0x4000 |
| |
| #define RTMGRP_IPV6_PREFIX 0x20000 |
| |
| /* RTnetlink multicast groups */ |
| |
| #define RTNLGRP_NONE 0 |
| #define RTNLGRP_LINK 1 |
| #define RTNLGRP_NOTIFY 2 |
| #define RTNLGRP_NEIGH 3 |
| #define RTNLGRP_TC 4 |
| #define RTNLGRP_IPV4_IFADDR 5 |
| #define RTNLGRP_IPV4_MROUTE 6 |
| #define RTNLGRP_IPV4_ROUTE 7 |
| #define RTNLGRP_IPV4_RULE 8 |
| #define RTNLGRP_IPV6_IFADDR 9 |
| #define RTNLGRP_IPV6_MROUTE 10 |
| #define RTNLGRP_IPV6_ROUTE 11 |
| #define RTNLGRP_IPV6_IFINFO 12 |
| #define RTNLGRP_DECnet_IFADDR 13 |
| #define RTNLGRP_NOP2 14 |
| #define RTNLGRP_DECnet_ROUTE 15 |
| #define RTNLGRP_DECnet_RULE 16 |
| #define RTNLGRP_NOP4 17 |
| #define RTNLGRP_IPV6_PREFIX 18 |
| #define RTNLGRP_IPV6_RULE 19 |
| #define RTNLGRP_ND_USEROPT 20 |
| #define RTNLGRP_PHONET_IFADDR 21 |
| #define RTNLGRP_PHONET_ROUTE 22 |
| #define RTNLGRP_DCB 23 |
| #define RTNLGRP_IPV4_NETCONF 24 |
| #define RTNLGRP_IPV6_NETCONF 25 |
| #define RTNLGRP_MDB 26 |
| #define RTNLGRP_MPLS_ROUTE 27 |
| #define RTNLGRP_NSID 28 |
| #define RTNLGRP_MAX 29 |
| |
| #define FRA_UNSPEC 0 |
| #define FRA_FWMARK 1 /* Mark */ |
| #define FRA_TABLE 2 /* Extended table id */ |
| #define FRA_FWMASK 3 /* Mask for netfilter mark */ |
| |
| /* nla_type (16 bits) |
| * +---+---+-------------------------------+ |
| * | N | O | Attribute Type | |
| * +---+---+-------------------------------+ |
| * N := Carries nested attributes |
| * O := Payload stored in network byte order |
| * |
| * Note: The N and O flag are mutually exclusive. |
| */ |
| |
| #define NLA_F_NET_BYTEORDER (1 << 14) |
| #define NLA_F_NESTED (1 << 15) |
| #define NLA_TYPE_MASK ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER) |
| |
| #define NLA_ALIGNTO 4 |
| #define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1)) |
| #define NLA_HDRLEN (NLA_ALIGN(sizeof(struct nlattr))) |
| |
| /* rtm_flags */ |
| |
| #define RTM_F_CLONED 0x200 /* This route is cloned */ |
| |
| /* Attribute definitions for struct nfattr **********************************/ |
| |
| /* Macros to handle attribute lists */ |
| |
| #define NFNL_NFA_NEST 0x8000 |
| #define NFA_TYPE(attr) ((attr)->nfa_type & 0x7fff) |
| |
| #define NFA_MASK (sizeof(uint32_t) - 1) |
| #define NFA_ALIGN(n) (((n) + NFA_MASK) & ~NFA_MASK) |
| #define NFA_OK(nfa, n) \ |
| ((n) >= (int)sizeof(struct nfattr) && \ |
| (nfa)->nfa_len >= sizeof(struct nfattr) && \ |
| (nfa)->nfa_len <= (n)) |
| #define NFA_NEXT(nfa, attrlen) \ |
| ((attrlen) -= NFA_ALIGN((nfa)->nfa_len), \ |
| (FAR struct nfattr *)(((FAR char *)(nfa)) + NFA_ALIGN((nfa)->nfa_len))) |
| #define NFA_LENGTH(len) ((sizeof(struct nfattr)) + (len)) |
| #define NFA_SPACE(len) NFA_ALIGN(NFA_LENGTH(len)) |
| #define NFA_DATA(nfa) ((FAR void *)(((FAR char *)(nfa)) + NFA_LENGTH(0))) |
| #define NFA_PAYLOAD(nfa) ((int)((nfa)->nfa_len) - NFA_LENGTH(0)) |
| |
| /* Definitions for struct nfgenmsg ******************************************/ |
| |
| #define NFM_NFA(n) ((FAR struct nfattr *) \ |
| (((FAR char *)(n)) + \ |
| NLMSG_ALIGN(sizeof(struct nfgenmsg)))) |
| #define NFM_PAYLOAD(n) NLMSG_PAYLOAD(n, sizeof(struct nfgenmsg)) |
| |
| /* Definitions for NETLINK_NETFILTER ****************************************/ |
| |
| #define NFNETLINK_V0 0 |
| |
| /* netfilter netlink message types are split in two pieces: |
| * 8 bit subsystem, 8bit operation. |
| */ |
| |
| #define NFNL_SUBSYS_ID(x) (((x) & 0xff00) >> 8) |
| #define NFNL_MSG_TYPE(x) ((x) & 0x00ff) |
| |
| /* subsystems */ |
| |
| #define NFNL_SUBSYS_NONE 0 |
| #define NFNL_SUBSYS_CTNETLINK 1 |
| #define NFNL_SUBSYS_CTNETLINK_EXP 2 |
| #define NFNL_SUBSYS_QUEUE 3 |
| #define NFNL_SUBSYS_ULOG 4 |
| #define NFNL_SUBSYS_OSF 5 |
| #define NFNL_SUBSYS_IPSET 6 |
| #define NFNL_SUBSYS_ACCT 7 |
| #define NFNL_SUBSYS_CTNETLINK_TIMEOUT 8 |
| #define NFNL_SUBSYS_CTHELPER 9 |
| #define NFNL_SUBSYS_NFTABLES 10 |
| #define NFNL_SUBSYS_NFT_COMPAT 11 |
| #define NFNL_SUBSYS_HOOK 12 |
| #define NFNL_SUBSYS_COUNT 13 |
| |
| /* NETLINK_NETFILTER: subsystem CTNL (ip conntrack netlink) message types */ |
| |
| #define IPCTNL_MSG_CT_NEW 0 |
| #define IPCTNL_MSG_CT_GET 1 |
| #define IPCTNL_MSG_CT_DELETE 2 |
| #define IPCTNL_MSG_CT_GET_CTRZERO 3 |
| #define IPCTNL_MSG_CT_GET_STATS_CPU 4 |
| #define IPCTNL_MSG_CT_GET_STATS 5 |
| #define IPCTNL_MSG_CT_GET_DYING 6 |
| #define IPCTNL_MSG_CT_GET_UNCONFIRMED 7 |
| #define IPCTNL_MSG_MAX 8 |
| |
| /* NETLINK_NETFILTER: Conntrack attributes */ |
| |
| #define CTA_UNSPEC 0 |
| #define CTA_TUPLE_ORIG 1 |
| #define CTA_TUPLE_REPLY 2 |
| #define CTA_STATUS 3 |
| #define CTA_PROTOINFO 4 |
| #define CTA_HELP 5 |
| #define CTA_NAT_SRC 6 |
| #define CTA_TIMEOUT 7 |
| #define CTA_MARK 8 |
| #define CTA_COUNTERS_ORIG 9 |
| #define CTA_COUNTERS_REPLY 10 |
| #define CTA_USE 11 |
| #define CTA_ID 12 |
| #define CTA_NAT_DST 13 |
| #define CTA_TUPLE_MASTER 14 |
| #define CTA_SEQ_ADJ_ORIG 15 |
| #define CTA_NAT_SEQ_ADJ_ORIG CTA_SEQ_ADJ_ORIG |
| #define CTA_SEQ_ADJ_REPLY 16 |
| #define CTA_NAT_SEQ_ADJ_REPLY CTA_SEQ_ADJ_REPLY |
| #define CTA_ZONE 18 |
| #define CTA_SECCTX 19 |
| #define CTA_TIMESTAMP 20 |
| #define CTA_MARK_MASK 21 |
| #define CTA_LABELS 22 |
| #define CTA_LABELS_MASK 23 |
| #define CTA_SYNPROXY 24 |
| #define CTA_FILTER 25 |
| #define CTA_STATUS_MASK 26 |
| #define CTA_MAX 26 |
| |
| /* NETLINK_NETFILTER: Conntrack tuple attributes */ |
| |
| #define CTA_TUPLE_UNSPEC 0 |
| #define CTA_TUPLE_IP 1 |
| #define CTA_TUPLE_PROTO 2 |
| #define CTA_TUPLE_ZONE 3 |
| #define CTA_TUPLE_MAX 3 |
| |
| /* NETLINK_NETFILTER: Conntrack IP attributes */ |
| |
| #define CTA_IP_UNSPEC 0 |
| #define CTA_IP_V4_SRC 1 |
| #define CTA_IP_V4_DST 2 |
| #define CTA_IP_V6_SRC 3 |
| #define CTA_IP_V6_DST 4 |
| #define CTA_IP_MAX 4 |
| |
| /* NETLINK_NETFILTER: Conntrack protocol attributes */ |
| |
| #define CTA_PROTO_UNSPEC 0 |
| #define CTA_PROTO_NUM 1 |
| #define CTA_PROTO_SRC_PORT 2 |
| #define CTA_PROTO_DST_PORT 3 |
| #define CTA_PROTO_ICMP_ID 4 |
| #define CTA_PROTO_ICMP_TYPE 5 |
| #define CTA_PROTO_ICMP_CODE 6 |
| #define CTA_PROTO_ICMPV6_ID 7 |
| #define CTA_PROTO_ICMPV6_TYPE 8 |
| #define CTA_PROTO_ICMPV6_CODE 9 |
| #define CTA_PROTO_MAX 9 |
| |
| /* NFnetlink multicast groups (userspace) */ |
| |
| #define NF_NETLINK_CONNTRACK_NEW 0x00000001 |
| #define NF_NETLINK_CONNTRACK_UPDATE 0x00000002 |
| #define NF_NETLINK_CONNTRACK_DESTROY 0x00000004 |
| #define NF_NETLINK_CONNTRACK_EXP_NEW 0x00000008 |
| #define NF_NETLINK_CONNTRACK_EXP_UPDATE 0x00000010 |
| #define NF_NETLINK_CONNTRACK_EXP_DESTROY 0x00000020 |
| |
| /* NFnetlink multicast groups */ |
| |
| #define NFNLGRP_NONE 0 |
| #define NFNLGRP_CONNTRACK_NEW 1 |
| #define NFNLGRP_CONNTRACK_UPDATE 2 |
| #define NFNLGRP_CONNTRACK_DESTROY 3 |
| #define NFNLGRP_CONNTRACK_EXP_NEW 4 |
| #define NFNLGRP_CONNTRACK_EXP_UPDATE 5 |
| #define NFNLGRP_CONNTRACK_EXP_DESTROY 6 |
| #define NFNLGRP_NFTABLES 7 |
| #define NFNLGRP_ACCT_QUOTA 8 |
| #define NFNLGRP_NFTRACE 9 |
| #define NFNLGRP_MAX 9 |
| |
| /**************************************************************************** |
| * Public Type Definitions |
| ****************************************************************************/ |
| |
| /* Netlink socket address type. */ |
| |
| struct sockaddr_nl |
| { |
| sa_family_t nl_family; /* AF_NETLINK */ |
| uint16_t nl_pad; /* Zero */ |
| uint32_t nl_pid; /* Port ID */ |
| uint32_t nl_groups; /* Multicast groups mask */ |
| }; |
| |
| /* Packet structure. The Netlink message header, struct nlmsghdr, must be |
| * prepared by the caller. The Netlink socket generally works in a SOCK_RAW- |
| * like mode (even if SOCK_DGRAM was used to create it). |
| * |
| * The data portion then contains a subsystem-specific message that may be |
| * further nested. |
| */ |
| |
| struct nlmsghdr |
| { |
| uint32_t nlmsg_len; /* Length of message including header */ |
| uint16_t nlmsg_type; /* Message content */ |
| uint16_t nlmsg_flags; /* Additional flags */ |
| uint32_t nlmsg_seq; /* Sequence number */ |
| uint32_t nlmsg_pid; /* Sending process port ID */ |
| /* Data follows */ |
| }; |
| |
| struct nlmsgerr |
| { |
| int error; |
| struct nlmsghdr msg; |
| |
| /* Followed by the message contents unless NETLINK_CAP_ACK was set |
| * or the ACK indicates success (error == 0) |
| * message length is aligned with NLMSG_ALIGN() |
| */ |
| |
| /* Followed by TLVs defined in enum nlmsgerr_attrs |
| * if NETLINK_EXT_ACK was set |
| */ |
| }; |
| |
| /* NETLINK_ROUTE Message Structures *****************************************/ |
| |
| /* RTM_NEWLINK, RTM_DELLINK, RTM_GETLINK |
| * |
| * Create, remove or get information about a specific network interface. |
| * These messages contain an ifinfomsg structure followed by a series |
| * of rtattr structures. |
| * |
| * These attributes should be manipulated using only the RTA_* |
| */ |
| |
| struct rtattr |
| { |
| uint16_t rta_len; /* Length of option */ |
| uint16_t rta_type; /* Type of option */ |
| /* Data follows */ |
| }; |
| |
| struct ifinfomsg |
| { |
| uint8_t ifi_family; /* AF_UNSPEC */ |
| uint8_t ifi_pad; |
| uint16_t ifi_type; /* Device type (ARPHRD) */ |
| int32_t ifi_index; /* Unique interface index */ |
| uint32_t ifi_flags; /* Device IFF_* flags */ |
| uint32_t ifi_change; /* Change mask, must always be 0xffffffff */ |
| }; |
| |
| /* General form of address family dependent message. */ |
| |
| struct rtgenmsg |
| { |
| uint8_t rtgen_family; |
| }; |
| |
| /* RTM_NEWNEIGH, RTM_DELNEIGH, RTM_GETNEIGH |
| * Add, remove or receive information about a neighbor table entry (e.g., |
| * an ARP entry). The message contains an ndmsg structure. |
| */ |
| |
| struct ndmsg |
| { |
| uint8_t ndm_family; |
| uint8_t ndm_pad1; |
| uint16_t ndm_pad2; |
| int32_t ndm_ifindex; |
| uint16_t ndm_state; |
| uint8_t ndm_flags; |
| uint8_t ndm_type; |
| }; |
| |
| /* Structures used in routing table administration. */ |
| |
| struct rtmsg |
| { |
| uint8_t rtm_family; |
| uint8_t rtm_dst_len; |
| uint8_t rtm_src_len; |
| uint8_t rtm_tos; |
| uint8_t rtm_table; /* Routing table id */ |
| uint8_t rtm_protocol; /* Routing protocol; See RTPROT_ definitions. */ |
| uint8_t rtm_scope; /* See RT_SCOPE_* definitions */ |
| uint8_t rtm_type; /* See RTN_* definitions */ |
| uint32_t rtm_flags; |
| }; |
| |
| /* Structures used in prefix information. */ |
| |
| struct prefixmsg |
| { |
| uint8_t prefix_family; |
| uint8_t prefix_pad1; |
| uint16_t prefix_pad2; |
| int32_t prefix_ifindex; |
| uint8_t prefix_type; |
| uint8_t prefix_len; |
| uint8_t prefix_flags; |
| uint8_t prefix_pad3; |
| }; |
| |
| enum |
| { |
| PREFIX_UNSPEC, |
| PREFIX_ADDRESS, |
| PREFIX_CACHEINFO, |
| __PREFIX_MAX |
| }; |
| |
| #define PREFIX_MAX (__PREFIX_MAX - 1) |
| |
| struct prefix_cacheinfo |
| { |
| uint32_t preferred_time; |
| uint32_t valid_time; |
| }; |
| |
| /* <------- NLA_HDRLEN ------> <-- NLA_ALIGN(payload)--> |
| * +---------------------+- - -+- - - - - - - - - -+- - -+ |
| * | Header | Pad | Payload | Pad | |
| * | (struct nlattr) | ing | | ing | |
| * +---------------------+- - -+- - - - - - - - - -+- - -+ |
| * <-------------- nlattr->nla_len --------------> |
| */ |
| |
| struct nlattr |
| { |
| uint16_t nla_len; |
| uint16_t nla_type; |
| }; |
| |
| /* Generic 32 bitflags attribute content sent to the kernel. |
| * |
| * The value is a bitmap that defines the values being set |
| * The selector is a bitmask that defines which value is legit |
| * |
| * Examples: |
| * value = 0x0, and selector = 0x1 |
| * implies we are selecting bit 1 and we want to set its value to 0. |
| * |
| * value = 0x2, and selector = 0x2 |
| * implies we are selecting bit 2 and we want to set its value to 1. |
| * |
| */ |
| |
| struct nla_bitfield32 |
| { |
| uint32_t value; |
| uint32_t selector; |
| }; |
| |
| /* NETLINK_NETFILTER Message Structures *************************************/ |
| |
| /* These attributes should be manipulated using only the NFA_* */ |
| |
| struct nfattr |
| { |
| uint16_t nfa_len; |
| uint16_t nfa_type; |
| }; |
| |
| /* General form of address family dependent message. */ |
| |
| struct nfgenmsg |
| { |
| uint8_t nfgen_family; /* AF_xxx */ |
| uint8_t version; /* nfnetlink version */ |
| uint16_t res_id; /* resource id */ |
| }; |
| |
| /**************************************************************************** |
| * Neighbor Discovery userland options |
| */ |
| |
| struct nduseroptmsg |
| { |
| unsigned char nduseropt_family; |
| unsigned char nduseropt_pad1; |
| unsigned short nduseropt_opts_len; /* Total length of options */ |
| int nduseropt_ifindex; |
| uint8_t nduseropt_icmp_type; |
| uint8_t nduseropt_icmp_code; |
| unsigned short nduseropt_pad2; |
| unsigned int nduseropt_pad3; |
| |
| /* Followed by one or more ND options */ |
| }; |
| |
| enum |
| { |
| NDUSEROPT_UNSPEC, |
| NDUSEROPT_SRCADDR, |
| __NDUSEROPT_MAX |
| }; |
| |
| /* This struct should be in sync with struct rtnl_link_stats64 */ |
| |
| struct rtnl_link_stats |
| { |
| uint32_t rx_packets; /* total packets received */ |
| uint32_t tx_packets; /* total packets transmitted */ |
| uint32_t rx_bytes; /* total bytes received */ |
| uint32_t tx_bytes; /* total bytes transmitted */ |
| uint32_t rx_errors; /* bad packets received */ |
| uint32_t tx_errors; /* packet transmit problems */ |
| uint32_t rx_dropped; /* no space in linux buffers */ |
| uint32_t tx_dropped; /* no space available in linux */ |
| uint32_t multicast; /* multicast packets received */ |
| uint32_t collisions; |
| |
| /* detailed rx_errors: */ |
| |
| uint32_t rx_length_errors; |
| uint32_t rx_over_errors; /* receiver ring buff overflow */ |
| uint32_t rx_crc_errors; /* recved pkt with crc error */ |
| uint32_t rx_frame_errors; /* recv'd frame alignment error */ |
| uint32_t rx_fifo_errors; /* recv'r fifo overrun */ |
| uint32_t rx_missed_errors; /* receiver missed packet */ |
| |
| /* detailed tx_errors */ |
| |
| uint32_t tx_aborted_errors; |
| uint32_t tx_carrier_errors; |
| uint32_t tx_fifo_errors; |
| uint32_t tx_heartbeat_errors; |
| uint32_t tx_window_errors; |
| |
| /* for cslip etc */ |
| |
| uint32_t rx_compressed; |
| uint32_t tx_compressed; |
| |
| uint32_t rx_nohandler; /* dropped, no handler found */ |
| }; |
| |
| /* The main device statistics structure */ |
| |
| struct rtnl_link_stats64 |
| { |
| uint64_t rx_packets; /* total packets received */ |
| uint64_t tx_packets; /* total packets transmitted */ |
| uint64_t rx_bytes; /* total bytes received */ |
| uint64_t tx_bytes; /* total bytes transmitted */ |
| uint64_t rx_errors; /* bad packets received */ |
| uint64_t tx_errors; /* packet transmit problems */ |
| uint64_t rx_dropped; /* no space in linux buffers */ |
| uint64_t tx_dropped; /* no space available in linux */ |
| uint64_t multicast; /* multicast packets received */ |
| uint64_t collisions; |
| |
| /* detailed rx_errors: */ |
| |
| uint64_t rx_length_errors; |
| uint64_t rx_over_errors; /* receiver ring buff overflow */ |
| uint64_t rx_crc_errors; /* recved pkt with crc error */ |
| uint64_t rx_frame_errors; /* recv'd frame alignment error */ |
| uint64_t rx_fifo_errors; /* recv'r fifo overrun */ |
| uint64_t rx_missed_errors; /* receiver missed packet */ |
| |
| /* detailed tx_errors */ |
| |
| uint64_t tx_aborted_errors; |
| uint64_t tx_carrier_errors; |
| uint64_t tx_fifo_errors; |
| uint64_t tx_heartbeat_errors; |
| uint64_t tx_window_errors; |
| |
| /* for cslip etc */ |
| |
| uint64_t rx_compressed; |
| uint64_t tx_compressed; |
| uint64_t rx_nohandler; /* dropped, no handler found */ |
| }; |
| |
| /**************************************************************************** |
| * Public Function Prototypes |
| ****************************************************************************/ |
| |
| #endif /* __INCLUDE_NETPACKET_NETLINK_H */ |
