original files of m241
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neelimap
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/*
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******************************************************************************
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* HEADER FILE
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*
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* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipmpls_netlink.h,v $ $Revision: 1.2 $
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* $Source:
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* $Author: jonas $ $Date: 2006-06-01 11:58:53 $
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* $State: Exp $ $Locker: $
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*
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* INTERPEAK_COPYRIGHT_STRING
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* Design and implementation by Kenneth Jonsson <kenneth@interpeak.se>
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******************************************************************************
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*/
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#ifndef IPMPLS_NETLINK_H
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#define IPMPLS_NETLINK_H
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/*
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****************************************************************************
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* 1 DESCRIPTION
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****************************************************************************
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* This is the IPMPLS header file for the Linux compatible NETLINK interface
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*/
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/*
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****************************************************************************
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* 2 CONFIGURATION
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 3 INCLUDE FILES
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****************************************************************************
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*/
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#include "ipmpls.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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****************************************************************************
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* 4 DEFINES
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****************************************************************************
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*/
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/*
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*===========================================================================
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* IPMPLS_NETLINK_XXX
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*===========================================================================
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*/
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#define IPMPLS_NETLINK_ROUTE 0 /* Routing/device hook */
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/*
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*===========================================================================
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* IPMPLS_RTN_XXX
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*===========================================================================
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* IPMPLS message sub types for NETLINK RULE messages
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*/
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#define IPMPLS_RTN_ILM 1
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#define IPMPLS_RTN_NHLFE 2
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#define IPMPLS_RTN_XC 3
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#define IPMPLS_RTN_LABELSPACE 4
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#define IPMPLS_RTN_ILMFLUSH 5
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#define IPMPLS_RTN_NHLFEFLUSH 6
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#define IPMPLS_RTN_TUNNEL 7
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#define IPMPLS_RTN_MAX 8
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/*
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*===========================================================================
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* IPMPLS_RTA_XXX
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*===========================================================================
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* IPMPLS route message attribute values
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*/
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#define IPMPLS_RTA_ILM 1
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#define IPMPLS_RTA_NHLFE 2
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#define IPMPLS_RTA_XC 3
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#define IPMPLS_RTA_LABELSPACE 4
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#define IPMPLS_RTA_INSTR 5
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#define IPMPLS_RTA_TUNNEL_NAME 7
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#define IPMPLS_RTA_TUNNEL_DATA 8
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#define IPMPLS_RTA_VR 9
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#define IPMPLS_RTA_COOKIE 10
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#define IPMPLS_RTA_MAX IPMPLS_RTA_COOKIE
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/*
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****************************************************************************
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* 5 TYPES
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****************************************************************************
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*/
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/*
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*===========================================================================
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* ipmpls_nlmsghdr
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*===========================================================================
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*/
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struct Ipmpls_nlmsghdr
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{
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Ip_u32 nlmsg_len; /* Length of message including header */
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Ip_u16 nlmsg_type; /* Message content */
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Ip_u16 nlmsg_flags; /* Additional flags */
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Ip_u32 nlmsg_seq; /* Sequence number */
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Ip_pid_t nlmsg_pid; /* Sending process id */
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};
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/* Flags values */
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#define IPMPLS_NLM_F_REQUEST 1 /* It is request message */
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#define IPMPLS_NLM_F_MULTI 2 /* Multipart message, terminated by NLMSG_DONE */
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#define IPMPLS_NLM_F_ACK 4 /* Reply with ack, with zero or error code */
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#define IPMPLS_NLM_F_ECHO 8 /* Echo this request */
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#define IPMPLS_NLM_F_ROOT 0x100 /* Specify tree root */
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/* Modifiers to GET request */
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#define IPMPLS_NLM_F_ROOT 0x100 /* Specify tree root */
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#define IPMPLS_NLM_F_MATCH 0x200 /* Return all matching */
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#define IPMPLS_NLM_F_ATOMIC 0x400 /* Atomic GET */
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#define IPMPLS_NLM_F_DUMP (IPMPLS_NLM_F_ROOT | IPMPLS_NLM_F_MATCH)
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/* Modifiers to NEW request */
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#define IPMPLS_NLM_F_REPLACE 0x100 /* Override existing */
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#define IPMPLS_NLM_F_EXCL 0x200 /* Do not touch, if it exists */
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#define IPMPLS_NLM_F_CREATE 0x400 /* Create, if it does not exist */
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#define IPMPLS_NLM_F_APPEND 0x800 /* Add to end of list */
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#define IPMPLS_NLMSG_ALIGNTO 4
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#define IPMPLS_NLMSG_ALIGN(len) (((len)+IPMPLS_NLMSG_ALIGNTO-1) & ~(IPMPLS_NLMSG_ALIGNTO-1))
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#define IPMPLS_NLMSG_LENGTH(len) ((len)+IPMPLS_NLMSG_ALIGN(sizeof(struct Ipmpls_nlmsghdr)))
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#define IPMPLS_NLMSG_SPACE(len) IPMPLS_NLMSG_ALIGN(IPMPLS_NLMSG_LENGTH(len))
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#define IPMPLS_NLMSG_DATA(nlh) ((void*)(((char*)nlh) + IPMPLS_NLMSG_LENGTH(0)))
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#define IPMPLS_NLMSG_NEXT(nlh,len) ((len) -= IPMPLS_NLMSG_ALIGN((nlh)->nlmsg_len), \
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(struct Ipmpls_nlmsghdr*)(((char*)(nlh)) + IPMPLS_NLMSG_ALIGN((nlh)->nlmsg_len)))
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#define IPMPLS_NLMSG_OK(nlh,len) ((len) > 0 \
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&& (nlh)->nlmsg_len >= sizeof(struct Ipmpls_nlmsghdr) \
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&& (nlh)->nlmsg_len <= (len))
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#define IPMPLS_NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - IPMPLS_NLMSG_SPACE((len)))
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#define IPMPLS_NLMSG_NOOP 0x1 /* Nothing */
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#define IPMPLS_NLMSG_ERROR 0x2 /* Error */
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#define IPMPLS_NLMSG_DONE 0x3 /* End of a dump */
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#define IPMPLS_NLMSG_OVERRUN 0x4 /* Data lost */
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#define IPMPLS_RTM_NEWRULE 32
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#define IPMPLS_RTM_DELRULE 33
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#define IPMPLS_RTM_GETRULE 34
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/*
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*===========================================================================
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* ipmpls_netlink_callback
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*===========================================================================
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*/
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struct Ipmpls_netlink_callback
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{
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Ip_u8 *buf;
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struct Ipmpls_nlmsghdr *nlh;
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int (*dump)(Ip_u8 *buf, Ip_size_t len, struct Ipmpls_netlink_callback *cb);
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int (*done)(struct Ipmpls_netlink_callback *cb);
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int family;
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Ip_ptrdiff_t args[4];
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};
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/*
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*===========================================================================
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* ipmpls_rtattr
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*===========================================================================
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*/
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struct Ipmpls_rtattr
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{
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Ip_u16 rta_len;
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Ip_u16 rta_type;
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};
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#define IPMPLS_RTA_ALIGNTO 4
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#define IPMPLS_RTA_ALIGN(len) (((len)+IPMPLS_RTA_ALIGNTO-1) & ~(IPMPLS_RTA_ALIGNTO-1))
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#define IPMPLS_RTA_OK(rta,len) ((len) > 0 \
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&& (rta)->rta_len >= sizeof(struct Ipmpls_rtattr) \
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&& (rta)->rta_len <= (len))
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#define IPMPLS_RTA_NEXT(rta,attrlen) \
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((attrlen) -= IPMPLS_RTA_ALIGN((rta)->rta_len), \
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(struct Ipmpls_rtattr *)(((char *)(rta)) + IPMPLS_RTA_ALIGN((rta)->rta_len)))
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#define IPMPLS_RTA_LENGTH(len) (IPMPLS_RTA_ALIGN(sizeof(struct Ipmpls_rtattr)) + (len))
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#define IPMPLS_RTA_SPACE(len) IPMPLS_RTA_ALIGN(IPMPLS_RTA_LENGTH(len))
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#define IPMPLS_RTA_DATA(rta) ((void*)(((char*)(rta)) + IPMPLS_RTA_LENGTH(0)))
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#define IPMPLS_RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - IPMPLS_RTA_LENGTH(0))
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/*
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*===========================================================================
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* ipmpls_rtmsg
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*===========================================================================
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*/
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struct Ipmpls_rtmsg
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{
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Ip_u8 rtm_family;
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Ip_u8 rtm_dst_len;
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Ip_u8 rtm_src_len;
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Ip_u8 rtm_tos;
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Ip_u8 rtm_table;
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Ip_u8 rtm_protocol;
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Ip_u8 rtm_scope;
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Ip_u8 rtm_type;
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Ip_u32 rtm_flags;
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};
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#define IPMPLS_RTM_RTA(r) ((struct Ipmpls_rtattr *)(((char *)(r)) + IPMPLS_NLMSG_ALIGN(sizeof(struct Ipmpls_rtmsg))))
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#define IPMPLS_RTM_PAYLOAD(n) IPMPLS_NLMSG_PAYLOAD(n,sizeof(struct Ipmpls_rtmsg))
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IP_PUBLIC void ipcom_netlink_post(int unit, void *data, Ip_size_t len, int msg_group, Ip_u16 vr);
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IP_PUBLIC int ipmpls_netlink_rtm_new(Ip_u8 *data, Ip_size_t len, struct Ipmpls_nlmsghdr *nlh, void *arg, int vr);
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IP_PUBLIC int ipmpls_netlink_rtm_del(Ip_u8 *data, Ip_size_t len, struct Ipmpls_nlmsghdr *nlh, void *arg, int vr);
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IP_PUBLIC int ipmpls_netlink_rtm_get(Ip_u8 *data, Ip_size_t len, struct Ipmpls_nlmsghdr *nlh,
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void *arg, void **out_msg, int s_vr);
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IP_PUBLIC int ipmpls_netlink_rtm_dump(Ip_u8 *data, Ip_size_t len, struct Ipmpls_netlink_callback *cb, int vr);
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#ifdef __cplusplus
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}
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#endif
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#endif /* IPMPL_NETLINK_H */
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/*
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****************************************************************************
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* END OF FILE
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****************************************************************************
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*/
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