diff options
Diffstat (limited to 'include/linux/rtnetlink.h')
| -rw-r--r-- | include/linux/rtnetlink.h | 611 |
1 files changed, 1 insertions, 610 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index db71c4ad8624..7002bbfd5d4a 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -1,616 +1,10 @@ #ifndef __LINUX_RTNETLINK_H #define __LINUX_RTNETLINK_H -#include <linux/types.h> -#include <linux/netlink.h> -#include <linux/if_link.h> -#include <linux/if_addr.h> -#include <linux/neighbour.h> - -/* rtnetlink families. Values up to 127 are reserved for real address - * families, values above 128 may be used arbitrarily. - */ -#define RTNL_FAMILY_IPMR 128 -#define RTNL_FAMILY_IP6MR 129 -#define RTNL_FAMILY_MAX 129 - -/**** - * Routing/neighbour discovery messages. - ****/ - -/* Types of messages */ - -enum { - RTM_BASE = 16, -#define RTM_BASE RTM_BASE - - RTM_NEWLINK = 16, -#define RTM_NEWLINK RTM_NEWLINK - RTM_DELLINK, -#define RTM_DELLINK RTM_DELLINK - RTM_GETLINK, -#define RTM_GETLINK RTM_GETLINK - RTM_SETLINK, -#define RTM_SETLINK RTM_SETLINK - - RTM_NEWADDR = 20, -#define RTM_NEWADDR RTM_NEWADDR - RTM_DELADDR, -#define RTM_DELADDR RTM_DELADDR - RTM_GETADDR, -#define RTM_GETADDR RTM_GETADDR - - RTM_NEWROUTE = 24, -#define RTM_NEWROUTE RTM_NEWROUTE - RTM_DELROUTE, -#define RTM_DELROUTE RTM_DELROUTE - RTM_GETROUTE, -#define RTM_GETROUTE RTM_GETROUTE - - RTM_NEWNEIGH = 28, -#define RTM_NEWNEIGH RTM_NEWNEIGH - RTM_DELNEIGH, -#define RTM_DELNEIGH RTM_DELNEIGH - RTM_GETNEIGH, -#define RTM_GETNEIGH RTM_GETNEIGH - - RTM_NEWRULE = 32, -#define RTM_NEWRULE RTM_NEWRULE - RTM_DELRULE, -#define RTM_DELRULE RTM_DELRULE - RTM_GETRULE, -#define RTM_GETRULE RTM_GETRULE - - RTM_NEWQDISC = 36, -#define RTM_NEWQDISC RTM_NEWQDISC - RTM_DELQDISC, -#define RTM_DELQDISC RTM_DELQDISC - RTM_GETQDISC, -#define RTM_GETQDISC RTM_GETQDISC - - RTM_NEWTCLASS = 40, -#define RTM_NEWTCLASS RTM_NEWTCLASS - RTM_DELTCLASS, -#define RTM_DELTCLASS RTM_DELTCLASS - RTM_GETTCLASS, -#define RTM_GETTCLASS RTM_GETTCLASS - - RTM_NEWTFILTER = 44, -#define RTM_NEWTFILTER RTM_NEWTFILTER - RTM_DELTFILTER, -#define RTM_DELTFILTER RTM_DELTFILTER - RTM_GETTFILTER, -#define RTM_GETTFILTER RTM_GETTFILTER - - RTM_NEWACTION = 48, -#define RTM_NEWACTION RTM_NEWACTION - RTM_DELACTION, -#define RTM_DELACTION RTM_DELACTION - RTM_GETACTION, -#define RTM_GETACTION RTM_GETACTION - - RTM_NEWPREFIX = 52, -#define RTM_NEWPREFIX RTM_NEWPREFIX - - RTM_GETMULTICAST = 58, -#define RTM_GETMULTICAST RTM_GETMULTICAST - - RTM_GETANYCAST = 62, -#define RTM_GETANYCAST RTM_GETANYCAST - - RTM_NEWNEIGHTBL = 64, -#define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL - RTM_GETNEIGHTBL = 66, -#define RTM_GETNEIGHTBL RTM_GETNEIGHTBL - RTM_SETNEIGHTBL, -#define RTM_SETNEIGHTBL RTM_SETNEIGHTBL - - RTM_NEWNDUSEROPT = 68, -#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT - - RTM_NEWADDRLABEL = 72, -#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL - RTM_DELADDRLABEL, -#define RTM_DELADDRLABEL RTM_DELADDRLABEL - RTM_GETADDRLABEL, -#define RTM_GETADDRLABEL RTM_GETADDRLABEL - - RTM_GETDCB = 78, -#define RTM_GETDCB RTM_GETDCB - RTM_SETDCB, -#define RTM_SETDCB RTM_SETDCB - - __RTM_MAX, -#define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1) -}; - -#define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE) -#define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2) -#define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2) - -/* - Generic structure for encapsulation of optional route information. - It is reminiscent of sockaddr, but with sa_family replaced - with attribute type. - */ - -struct rtattr { - unsigned short rta_len; - unsigned short rta_type; -}; - -/* Macros to handle rtattributes */ - -#define RTA_ALIGNTO 4 -#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) ) -#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \ - (rta)->rta_len >= sizeof(struct rtattr) && \ - (rta)->rta_len <= (len)) -#define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \ - (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len))) -#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) -#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len)) -#define RTA_DATA(rta) ((void*)(((char*)(rta)) + RTA_LENGTH(0))) -#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0)) - - - - -/****************************************************************************** - * Definitions used in routing table administration. - ****/ - -struct rtmsg { - unsigned char rtm_family; - unsigned char rtm_dst_len; - unsigned char rtm_src_len; - unsigned char rtm_tos; - - unsigned char rtm_table; /* Routing table id */ - unsigned char rtm_protocol; /* Routing protocol; see below */ - unsigned char rtm_scope; /* See below */ - unsigned char rtm_type; /* See below */ - - unsigned rtm_flags; -}; - -/* rtm_type */ - -enum { - RTN_UNSPEC, - RTN_UNICAST, /* Gateway or direct route */ - RTN_LOCAL, /* Accept locally */ - RTN_BROADCAST, /* Accept locally as broadcast, - send as broadcast */ - RTN_ANYCAST, /* Accept locally as broadcast, - but send as unicast */ - RTN_MULTICAST, /* Multicast route */ - RTN_BLACKHOLE, /* Drop */ - RTN_UNREACHABLE, /* Destination is unreachable */ - RTN_PROHIBIT, /* Administratively prohibited */ - RTN_THROW, /* Not in this table */ - RTN_NAT, /* Translate this address */ - RTN_XRESOLVE, /* Use external resolver */ - __RTN_MAX -}; - -#define RTN_MAX (__RTN_MAX - 1) - - -/* rtm_protocol */ - -#define RTPROT_UNSPEC 0 -#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects; - not used by current IPv4 */ -#define RTPROT_KERNEL 2 /* Route installed by kernel */ -#define RTPROT_BOOT 3 /* Route installed during boot */ -#define RTPROT_STATIC 4 /* Route installed by administrator */ - -/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel; - they are just passed from user and back as is. - It will be used by hypothetical multiple routing daemons. - Note that protocol values should be standardized in order to - avoid conflicts. - */ - -#define RTPROT_GATED 8 /* Apparently, GateD */ -#define RTPROT_RA 9 /* RDISC/ND router advertisements */ -#define RTPROT_MRT 10 /* Merit MRT */ -#define RTPROT_ZEBRA 11 /* Zebra */ -#define RTPROT_BIRD 12 /* BIRD */ -#define RTPROT_DNROUTED 13 /* DECnet routing daemon */ -#define RTPROT_XORP 14 /* XORP */ -#define RTPROT_NTK 15 /* Netsukuku */ -#define RTPROT_DHCP 16 /* DHCP client */ - -/* rtm_scope - - Really it is not scope, but sort of distance to the destination. - NOWHERE are reserved for not existing destinations, HOST is our - local addresses, LINK are destinations, located on directly attached - link and UNIVERSE is everywhere in the Universe. - - Intermediate values are also possible f.e. interior routes - could be assigned a value between UNIVERSE and LINK. -*/ - -enum rt_scope_t { - RT_SCOPE_UNIVERSE=0, -/* User defined values */ - RT_SCOPE_SITE=200, - RT_SCOPE_LINK=253, - RT_SCOPE_HOST=254, - RT_SCOPE_NOWHERE=255 -}; - -/* rtm_flags */ - -#define RTM_F_NOTIFY 0x100 /* Notify user of route change */ -#define RTM_F_CLONED 0x200 /* This route is cloned */ -#define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */ -#define RTM_F_PREFIX 0x800 /* Prefix addresses */ - -/* Reserved table identifiers */ - -enum rt_class_t { - RT_TABLE_UNSPEC=0, -/* User defined values */ - RT_TABLE_COMPAT=252, - RT_TABLE_DEFAULT=253, - RT_TABLE_MAIN=254, - RT_TABLE_LOCAL=255, - RT_TABLE_MAX=0xFFFFFFFF -}; - - -/* Routing message attributes */ - -enum rtattr_type_t { - RTA_UNSPEC, - RTA_DST, - RTA_SRC, - RTA_IIF, - RTA_OIF, - RTA_GATEWAY, - RTA_PRIORITY, - RTA_PREFSRC, - RTA_METRICS, - RTA_MULTIPATH, - RTA_PROTOINFO, /* no longer used */ - RTA_FLOW, - RTA_CACHEINFO, - RTA_SESSION, /* no longer used */ - RTA_MP_ALGO, /* no longer used */ - RTA_TABLE, - RTA_MARK, - __RTA_MAX -}; - -#define RTA_MAX (__RTA_MAX - 1) - -#define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg)))) -#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg)) - -/* RTM_MULTIPATH --- array of struct rtnexthop. - * - * "struct rtnexthop" describes all necessary nexthop information, - * i.e. parameters of path to a destination via this nexthop. - * - * At the moment it is impossible to set different prefsrc, mtu, window - * and rtt for different paths from multipath. - */ - -struct rtnexthop { - unsigned short rtnh_len; - unsigned char rtnh_flags; - unsigned char rtnh_hops; - int rtnh_ifindex; -}; - -/* rtnh_flags */ - -#define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */ -#define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */ -#define RTNH_F_ONLINK 4 /* Gateway is forced on link */ - -/* Macros to handle hexthops */ - -#define RTNH_ALIGNTO 4 -#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) ) -#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \ - ((int)(rtnh)->rtnh_len) <= (len)) -#define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len))) -#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len)) -#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len)) -#define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0))) - -/* RTM_CACHEINFO */ - -struct rta_cacheinfo { - __u32 rta_clntref; - __u32 rta_lastuse; - __s32 rta_expires; - __u32 rta_error; - __u32 rta_used; - -#define RTNETLINK_HAVE_PEERINFO 1 - __u32 rta_id; - __u32 rta_ts; - __u32 rta_tsage; -}; - -/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */ - -enum { - RTAX_UNSPEC, -#define RTAX_UNSPEC RTAX_UNSPEC - RTAX_LOCK, -#define RTAX_LOCK RTAX_LOCK - RTAX_MTU, -#define RTAX_MTU RTAX_MTU - RTAX_WINDOW, -#define RTAX_WINDOW RTAX_WINDOW - RTAX_RTT, -#define RTAX_RTT RTAX_RTT - RTAX_RTTVAR, -#define RTAX_RTTVAR RTAX_RTTVAR - RTAX_SSTHRESH, -#define RTAX_SSTHRESH RTAX_SSTHRESH - RTAX_CWND, -#define RTAX_CWND RTAX_CWND - RTAX_ADVMSS, -#define RTAX_ADVMSS RTAX_ADVMSS - RTAX_REORDERING, -#define RTAX_REORDERING RTAX_REORDERING - RTAX_HOPLIMIT, -#define RTAX_HOPLIMIT RTAX_HOPLIMIT - RTAX_INITCWND, -#define RTAX_INITCWND RTAX_INITCWND - RTAX_FEATURES, -#define RTAX_FEATURES RTAX_FEATURES - RTAX_RTO_MIN, -#define RTAX_RTO_MIN RTAX_RTO_MIN - RTAX_INITRWND, -#define RTAX_INITRWND RTAX_INITRWND - __RTAX_MAX -}; - -#define RTAX_MAX (__RTAX_MAX - 1) - -#define RTAX_FEATURE_ECN 0x00000001 -#define RTAX_FEATURE_SACK 0x00000002 -#define RTAX_FEATURE_TIMESTAMP 0x00000004 -#define RTAX_FEATURE_ALLFRAG 0x00000008 - -struct rta_session { - __u8 proto; - __u8 pad1; - __u16 pad2; - - union { - struct { - __u16 sport; - __u16 dport; - } ports; - - struct { - __u8 type; - __u8 code; - __u16 ident; - } icmpt; - - __u32 spi; - } u; -}; - -/**** - * General form of address family dependent message. - ****/ - -struct rtgenmsg { - unsigned char rtgen_family; -}; - -/***************************************************************** - * Link layer specific messages. - ****/ - -/* struct ifinfomsg - * passes link level specific information, not dependent - * on network protocol. - */ - -struct ifinfomsg { - unsigned char ifi_family; - unsigned char __ifi_pad; - unsigned short ifi_type; /* ARPHRD_* */ - int ifi_index; /* Link index */ - unsigned ifi_flags; /* IFF_* flags */ - unsigned ifi_change; /* IFF_* change mask */ -}; - -/******************************************************************** - * prefix information - ****/ - -struct prefixmsg { - unsigned char prefix_family; - unsigned char prefix_pad1; - unsigned short prefix_pad2; - int prefix_ifindex; - unsigned char prefix_type; - unsigned char prefix_len; - unsigned char prefix_flags; - unsigned char prefix_pad3; -}; - -enum -{ - PREFIX_UNSPEC, - PREFIX_ADDRESS, - PREFIX_CACHEINFO, - __PREFIX_MAX -}; - -#define PREFIX_MAX (__PREFIX_MAX - 1) - -struct prefix_cacheinfo { - __u32 preferred_time; - __u32 valid_time; -}; - - -/***************************************************************** - * Traffic control messages. - ****/ - -struct tcmsg { - unsigned char tcm_family; - unsigned char tcm__pad1; - unsigned short tcm__pad2; - int tcm_ifindex; - __u32 tcm_handle; - __u32 tcm_parent; - __u32 tcm_info; -}; - -enum { - TCA_UNSPEC, - TCA_KIND, - TCA_OPTIONS, - TCA_STATS, - TCA_XSTATS, - TCA_RATE, - TCA_FCNT, - TCA_STATS2, - TCA_STAB, - __TCA_MAX -}; - -#define TCA_MAX (__TCA_MAX - 1) - -#define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg)))) -#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg)) - -/******************************************************************** - * 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; - __u8 nduseropt_icmp_type; - __u8 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 -}; - -#define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1) - -#ifndef __KERNEL__ -/* RTnetlink multicast groups - backwards compatibility for 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 -#endif - -/* RTnetlink multicast groups */ -enum rtnetlink_groups { - RTNLGRP_NONE, -#define RTNLGRP_NONE RTNLGRP_NONE - RTNLGRP_LINK, -#define RTNLGRP_LINK RTNLGRP_LINK - RTNLGRP_NOTIFY, -#define RTNLGRP_NOTIFY RTNLGRP_NOTIFY - RTNLGRP_NEIGH, -#define RTNLGRP_NEIGH RTNLGRP_NEIGH - RTNLGRP_TC, -#define RTNLGRP_TC RTNLGRP_TC - RTNLGRP_IPV4_IFADDR, -#define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR - RTNLGRP_IPV4_MROUTE, -#define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE - RTNLGRP_IPV4_ROUTE, -#define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE - RTNLGRP_IPV4_RULE, -#define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE - RTNLGRP_IPV6_IFADDR, -#define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR - RTNLGRP_IPV6_MROUTE, -#define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE - RTNLGRP_IPV6_ROUTE, -#define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE - RTNLGRP_IPV6_IFINFO, -#define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO - RTNLGRP_DECnet_IFADDR, -#define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR - RTNLGRP_NOP2, - RTNLGRP_DECnet_ROUTE, -#define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE - RTNLGRP_DECnet_RULE, -#define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE - RTNLGRP_NOP4, - RTNLGRP_IPV6_PREFIX, -#define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX - RTNLGRP_IPV6_RULE, -#define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE - RTNLGRP_ND_USEROPT, -#define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT - RTNLGRP_PHONET_IFADDR, -#define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR - RTNLGRP_PHONET_ROUTE, -#define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE - RTNLGRP_DCB, -#define RTNLGRP_DCB RTNLGRP_DCB - __RTNLGRP_MAX -}; -#define RTNLGRP_MAX (__RTNLGRP_MAX - 1) - -/* TC action piece */ -struct tcamsg { - unsigned char tca_family; - unsigned char tca__pad1; - unsigned short tca__pad2; -}; -#define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg)))) -#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg)) -#define TCA_ACT_TAB 1 /* attr type must be >=1 */ -#define TCAA_MAX 1 - -/* New extended info filters for IFLA_EXT_MASK */ -#define RTEXT_FILTER_VF (1 << 0) - -/* End of information exported to user level */ - -#ifdef __KERNEL__ #include <linux/mutex.h> #include <linux/netdevice.h> +#include <uapi/linux/rtnetlink.h> extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo); extern int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid); @@ -675,7 +69,4 @@ extern int ndo_dflt_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, struct net_device *dev, int idx); -#endif /* __KERNEL__ */ - - #endif /* __LINUX_RTNETLINK_H */ |