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-rw-r--r--include/linux/rtnetlink.h842
1 files changed, 842 insertions, 0 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
new file mode 100644
index 000000000000..32e52769a00b
--- /dev/null
+++ b/include/linux/rtnetlink.h
@@ -0,0 +1,842 @@
+#ifndef __LINUX_RTNETLINK_H
+#define __LINUX_RTNETLINK_H
+
+#include <linux/netlink.h>
+
+/****
+ * 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_GETPREFIX = 54,
+#define RTM_GETPREFIX RTM_GETPREFIX
+
+ RTM_GETMULTICAST = 58,
+#define RTM_GETMULTICAST RTM_GETMULTICAST
+
+ RTM_GETANYCAST = 62,
+#define RTM_GETANYCAST RTM_GETANYCAST
+
+ RTM_MAX,
+#define RTM_MAX RTM_MAX
+};
+
+/*
+ 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 */
+
+/* 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_DEFAULT=253,
+ RT_TABLE_MAIN=254,
+ RT_TABLE_LOCAL=255,
+ __RT_TABLE_MAX
+};
+#define RT_TABLE_MAX (__RT_TABLE_MAX - 1)
+
+
+
+/* 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,
+ RTA_FLOW,
+ RTA_CACHEINFO,
+ RTA_SESSION,
+ RTA_MP_ALGO,
+ __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_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;
+
+ union {
+ struct {
+ __u16 sport;
+ __u16 dport;
+ } ports;
+
+ struct {
+ __u8 type;
+ __u8 code;
+ __u16 ident;
+ } icmpt;
+
+ __u32 spi;
+ } u;
+};
+
+
+/*********************************************************
+ * Interface address.
+ ****/
+
+struct ifaddrmsg
+{
+ unsigned char ifa_family;
+ unsigned char ifa_prefixlen; /* The prefix length */
+ unsigned char ifa_flags; /* Flags */
+ unsigned char ifa_scope; /* See above */
+ int ifa_index; /* Link index */
+};
+
+enum
+{
+ IFA_UNSPEC,
+ IFA_ADDRESS,
+ IFA_LOCAL,
+ IFA_LABEL,
+ IFA_BROADCAST,
+ IFA_ANYCAST,
+ IFA_CACHEINFO,
+ IFA_MULTICAST,
+ __IFA_MAX
+};
+
+#define IFA_MAX (__IFA_MAX - 1)
+
+/* ifa_flags */
+
+#define IFA_F_SECONDARY 0x01
+#define IFA_F_TEMPORARY IFA_F_SECONDARY
+
+#define IFA_F_DEPRECATED 0x20
+#define IFA_F_TENTATIVE 0x40
+#define IFA_F_PERMANENT 0x80
+
+struct ifa_cacheinfo
+{
+ __u32 ifa_prefered;
+ __u32 ifa_valid;
+ __u32 cstamp; /* created timestamp, hundredths of seconds */
+ __u32 tstamp; /* updated timestamp, hundredths of seconds */
+};
+
+
+#define IFA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
+#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))
+
+/*
+ Important comment:
+ IFA_ADDRESS is prefix address, rather than local interface address.
+ It makes no difference for normally configured broadcast interfaces,
+ but for point-to-point IFA_ADDRESS is DESTINATION address,
+ local address is supplied in IFA_LOCAL attribute.
+ */
+
+/**************************************************************
+ * Neighbour discovery.
+ ****/
+
+struct ndmsg
+{
+ unsigned char ndm_family;
+ unsigned char ndm_pad1;
+ unsigned short ndm_pad2;
+ int ndm_ifindex; /* Link index */
+ __u16 ndm_state;
+ __u8 ndm_flags;
+ __u8 ndm_type;
+};
+
+enum
+{
+ NDA_UNSPEC,
+ NDA_DST,
+ NDA_LLADDR,
+ NDA_CACHEINFO,
+ NDA_PROBES,
+ __NDA_MAX
+};
+
+#define NDA_MAX (__NDA_MAX - 1)
+
+#define NDA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg))))
+#define NDA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndmsg))
+
+/*
+ * Neighbor Cache Entry Flags
+ */
+
+#define NTF_PROXY 0x08 /* == ATF_PUBL */
+#define NTF_ROUTER 0x80
+
+/*
+ * Neighbor Cache Entry States.
+ */
+
+#define NUD_INCOMPLETE 0x01
+#define NUD_REACHABLE 0x02
+#define NUD_STALE 0x04
+#define NUD_DELAY 0x08
+#define NUD_PROBE 0x10
+#define NUD_FAILED 0x20
+
+/* Dummy states */
+#define NUD_NOARP 0x40
+#define NUD_PERMANENT 0x80
+#define NUD_NONE 0x00
+
+
+struct nda_cacheinfo
+{
+ __u32 ndm_confirmed;
+ __u32 ndm_used;
+ __u32 ndm_updated;
+ __u32 ndm_refcnt;
+};
+
+/****
+ * 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;
+ int prefix_ifindex;
+ unsigned char prefix_type;
+ unsigned char prefix_len;
+ unsigned char prefix_flags;
+};
+
+enum
+{
+ PREFIX_UNSPEC,
+ PREFIX_ADDRESS,
+ PREFIX_CACHEINFO,
+ __PREFIX_MAX
+};
+
+#define PREFIX_MAX (__PREFIX_MAX - 1)
+
+struct prefix_cacheinfo
+{
+ __u32 preferred_time;
+ __u32 valid_time;
+};
+
+/* The struct should be in sync with struct net_device_stats */
+struct rtnl_link_stats
+{
+ __u32 rx_packets; /* total packets received */
+ __u32 tx_packets; /* total packets transmitted */
+ __u32 rx_bytes; /* total bytes received */
+ __u32 tx_bytes; /* total bytes transmitted */
+ __u32 rx_errors; /* bad packets received */
+ __u32 tx_errors; /* packet transmit problems */
+ __u32 rx_dropped; /* no space in linux buffers */
+ __u32 tx_dropped; /* no space available in linux */
+ __u32 multicast; /* multicast packets received */
+ __u32 collisions;
+
+ /* detailed rx_errors: */
+ __u32 rx_length_errors;
+ __u32 rx_over_errors; /* receiver ring buff overflow */
+ __u32 rx_crc_errors; /* recved pkt with crc error */
+ __u32 rx_frame_errors; /* recv'd frame alignment error */
+ __u32 rx_fifo_errors; /* recv'r fifo overrun */
+ __u32 rx_missed_errors; /* receiver missed packet */
+
+ /* detailed tx_errors */
+ __u32 tx_aborted_errors;
+ __u32 tx_carrier_errors;
+ __u32 tx_fifo_errors;
+ __u32 tx_heartbeat_errors;
+ __u32 tx_window_errors;
+
+ /* for cslip etc */
+ __u32 rx_compressed;
+ __u32 tx_compressed;
+};
+
+/* The struct should be in sync with struct ifmap */
+struct rtnl_link_ifmap
+{
+ __u64 mem_start;
+ __u64 mem_end;
+ __u64 base_addr;
+ __u16 irq;
+ __u8 dma;
+ __u8 port;
+};
+
+enum
+{
+ IFLA_UNSPEC,
+ IFLA_ADDRESS,
+ IFLA_BROADCAST,
+ IFLA_IFNAME,
+ IFLA_MTU,
+ IFLA_LINK,
+ IFLA_QDISC,
+ IFLA_STATS,
+ IFLA_COST,
+#define IFLA_COST IFLA_COST
+ IFLA_PRIORITY,
+#define IFLA_PRIORITY IFLA_PRIORITY
+ IFLA_MASTER,
+#define IFLA_MASTER IFLA_MASTER
+ IFLA_WIRELESS, /* Wireless Extension event - see wireless.h */
+#define IFLA_WIRELESS IFLA_WIRELESS
+ IFLA_PROTINFO, /* Protocol specific information for a link */
+#define IFLA_PROTINFO IFLA_PROTINFO
+ IFLA_TXQLEN,
+#define IFLA_TXQLEN IFLA_TXQLEN
+ IFLA_MAP,
+#define IFLA_MAP IFLA_MAP
+ IFLA_WEIGHT,
+#define IFLA_WEIGHT IFLA_WEIGHT
+ __IFLA_MAX
+};
+
+
+#define IFLA_MAX (__IFLA_MAX - 1)
+
+#define IFLA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
+#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))
+
+/* ifi_flags.
+
+ IFF_* flags.
+
+ The only change is:
+ IFF_LOOPBACK, IFF_BROADCAST and IFF_POINTOPOINT are
+ more not changeable by user. They describe link media
+ characteristics and set by device driver.
+
+ Comments:
+ - Combination IFF_BROADCAST|IFF_POINTOPOINT is invalid
+ - If neither of these three flags are set;
+ the interface is NBMA.
+
+ - IFF_MULTICAST does not mean anything special:
+ multicasts can be used on all not-NBMA links.
+ IFF_MULTICAST means that this media uses special encapsulation
+ for multicast frames. Apparently, all IFF_POINTOPOINT and
+ IFF_BROADCAST devices are able to use multicasts too.
+ */
+
+/* IFLA_LINK.
+ For usual devices it is equal ifi_index.
+ If it is a "virtual interface" (f.e. tunnel), ifi_link
+ can point to real physical interface (f.e. for bandwidth calculations),
+ or maybe 0, what means, that real media is unknown (usual
+ for IPIP tunnels, when route to endpoint is allowed to change)
+ */
+
+/* Subtype attributes for IFLA_PROTINFO */
+enum
+{
+ IFLA_INET6_UNSPEC,
+ IFLA_INET6_FLAGS, /* link flags */
+ IFLA_INET6_CONF, /* sysctl parameters */
+ IFLA_INET6_STATS, /* statistics */
+ IFLA_INET6_MCAST, /* MC things. What of them? */
+ IFLA_INET6_CACHEINFO, /* time values and max reasm size */
+ __IFLA_INET6_MAX
+};
+
+#define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1)
+
+struct ifla_cacheinfo
+{
+ __u32 max_reasm_len;
+ __u32 tstamp; /* ipv6InterfaceTable updated timestamp */
+ __u32 reachable_time;
+ __u32 retrans_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_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))
+
+
+/* RTnetlink multicast groups */
+
+#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_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
+
+/* 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
+
+/* End of information exported to user level */
+
+#ifdef __KERNEL__
+
+#include <linux/config.h>
+
+extern size_t rtattr_strlcpy(char *dest, const struct rtattr *rta, size_t size);
+static __inline__ int rtattr_strcmp(const struct rtattr *rta, const char *str)
+{
+ int len = strlen(str) + 1;
+ return len > rta->rta_len || memcmp(RTA_DATA(rta), str, len);
+}
+
+extern int rtattr_parse(struct rtattr *tb[], int maxattr, struct rtattr *rta, int len);
+
+#define rtattr_parse_nested(tb, max, rta) \
+ rtattr_parse((tb), (max), RTA_DATA((rta)), RTA_PAYLOAD((rta)))
+
+extern struct sock *rtnl;
+
+struct rtnetlink_link
+{
+ int (*doit)(struct sk_buff *, struct nlmsghdr*, void *attr);
+ int (*dumpit)(struct sk_buff *, struct netlink_callback *cb);
+};
+
+extern struct rtnetlink_link * rtnetlink_links[NPROTO];
+extern int rtnetlink_send(struct sk_buff *skb, u32 pid, u32 group, int echo);
+extern int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics);
+
+extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const void *data);
+
+#define RTA_PUT(skb, attrtype, attrlen, data) \
+({ if (unlikely(skb_tailroom(skb) < (int)RTA_SPACE(attrlen))) \
+ goto rtattr_failure; \
+ __rta_fill(skb, attrtype, attrlen, data); })
+
+#define RTA_PUT_NOHDR(skb, attrlen, data) \
+({ if (unlikely(skb_tailroom(skb) < (int)(attrlen))) \
+ goto rtattr_failure; \
+ memcpy(skb_put(skb, RTA_ALIGN(attrlen)), data, attrlen); })
+
+static inline struct rtattr *
+__rta_reserve(struct sk_buff *skb, int attrtype, int attrlen)
+{
+ struct rtattr *rta;
+ int size = RTA_LENGTH(attrlen);
+
+ rta = (struct rtattr*)skb_put(skb, RTA_ALIGN(size));
+ rta->rta_type = attrtype;
+ rta->rta_len = size;
+ return rta;
+}
+
+#define __RTA_PUT(skb, attrtype, attrlen) \
+({ if (unlikely(skb_tailroom(skb) < (int)RTA_SPACE(attrlen))) \
+ goto rtattr_failure; \
+ __rta_reserve(skb, attrtype, attrlen); })
+
+extern void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change);
+
+extern struct semaphore rtnl_sem;
+
+#define rtnl_shlock() down(&rtnl_sem)
+#define rtnl_shlock_nowait() down_trylock(&rtnl_sem)
+
+#define rtnl_shunlock() do { up(&rtnl_sem); \
+ if (rtnl && rtnl->sk_receive_queue.qlen) \
+ rtnl->sk_data_ready(rtnl, 0); \
+ } while(0)
+
+extern void rtnl_lock(void);
+extern int rtnl_lock_interruptible(void);
+extern void rtnl_unlock(void);
+extern void rtnetlink_init(void);
+
+#define ASSERT_RTNL() do { \
+ if (unlikely(down_trylock(&rtnl_sem) == 0)) { \
+ up(&rtnl_sem); \
+ printk(KERN_ERR "RTNL: assertion failed at %s (%d)\n", \
+ __FILE__, __LINE__); \
+ dump_stack(); \
+ } \
+} while(0)
+
+#define BUG_TRAP(x) do { \
+ if (unlikely(!(x))) { \
+ printk(KERN_ERR "KERNEL: assertion (%s) failed at %s (%d)\n", \
+ #x, __FILE__ , __LINE__); \
+ } \
+} while(0)
+
+#endif /* __KERNEL__ */
+
+
+#endif /* __LINUX_RTNETLINK_H */