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_QUICKACK,
#define RTAX_QUICKACK RTAX_QUICKACK
RTAX_CC_ALGO,
#define RTAX_CC_ALGO RTAX_CC_ALGO
RTAX_RESERVED2,
RTAX_RESERVED3,
RTAX_RESERVED4,
RTAX_RESERVED5,
RTAX_RESERVED6,
RTAX_RESERVED7,
RTAX_RESERVED8,
__RTAX_MAX
};
#define RTAX_MAX (__RTAX_MAX - 1)
#define RTAX_FEATURE_ECN (1 << 0)
#define RTAX_FEATURE_SACK (1 << 1)
#define RTAX_FEATURE_TIMESTAMP (1 << 2)
#define RTAX_FEATURE_ALLFRAG (1 << 3)
#define RTAX_FEATURE_MASK (RTAX_FEATURE_ECN | RTAX_FEATURE_SACK | \
RTAX_FEATURE_TIMESTAMP | RTAX_FEATURE_ALLFRAG)
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;
};
struct rta_mfc_stats {
__u64 mfcs_packets;
__u64 mfcs_bytes;
__u64 mfcs_wrong_if;
};
/****
* 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;
/* tcm_block_index is used instead of tcm_parent
* in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK
*/
#define tcm_block_index tcm_parent
__u32 tcm_info;
};
/* For manipulation of filters in shared block, tcm_ifindex is set to
* TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index
* which is the block index.
*/
#define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU)
enum {
TCA_UNSPEC,
TCA_KIND,
TCA_OPTIONS,
TCA_STATS,
TCA_XSTATS,
TCA_RATE,
TCA_FCNT,
TCA_STATS2,
TCA_STAB,
TCA_PAD,
TCA_DUMP_INVISIBLE,
TCA_CHAIN,
TCA_HW_OFFLOAD,
TCA_INGRESS_BLOCK,
TCA_EGRESS_BLOCK,
__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)
/* 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
/* 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_IPV4_NETCONF,
#define RTNLGRP_IPV4_NETCONF RTNLGRP_IPV4_NETCONF
RTNLGRP_IPV6_NETCONF,
#define RTNLGRP_IPV6_NETCONF RTNLGRP_IPV6_NETCONF
RTNLGRP_MDB,
#define RTNLGRP_MDB RTNLGRP_MDB
__RH_RESERVED_RTNLGRP_MPLS_ROUTE,
RTNLGRP_NSID,
#define RTNLGRP_NSID RTNLGRP_NSID
__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;
};
enum {
TCA_ROOT_UNSPEC,
TCA_ROOT_TAB,
#define TCA_ACT_TAB TCA_ROOT_TAB
#define TCAA_MAX TCA_ROOT_TAB
TCA_ROOT_FLAGS,
TCA_ROOT_COUNT,
TCA_ROOT_TIME_DELTA, /* in msecs */
__TCA_ROOT_MAX,
#define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1)
};
#define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
/* tcamsg flags stored in attribute TCA_ROOT_FLAGS
*
* TCA_FLAG_LARGE_DUMP_ON user->kernel to request for larger than TCA_ACT_MAX_PRIO
* actions in a dump. All dump responses will contain the number of actions
* being dumped stored in for user app's consumption in TCA_ROOT_COUNT
*
*/
#define TCA_FLAG_LARGE_DUMP_ON (1 << 0)
/* New extended info filters for IFLA_EXT_MASK */
#define RTEXT_FILTER_VF (1 << 0)
#define RTEXT_FILTER_BRVLAN (1 << 1)
#define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2)
/* End of information exported to user level */
#endif /* __LINUX_RTNETLINK_H */