original files of m241
This commit is contained in:
neelimap
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/*
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* Copyright 2006 Wind River Systems, Inc.
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*
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* The right to copy, distribute, modify or otherwise make use
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* of this software may be licensed only pursuant to the terms
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* of an applicable Wind River license agreement.
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*/
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/*
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modification history
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--------------------
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01i,05nov08,rme Added 'ipripng_sflag' (WIND00141137)
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01c,09feb07,tlu Fixed gnu compiler error on Windows
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01b,24jan07,kch Fixed gnu warnings
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01a,12jun06,tlu Initial creation
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*/
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#ifndef IPRIPNG_H
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#define IPRIPNG_H
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/*
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****************************************************************************
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* 1 DESCRIPTION
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****************************************************************************
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* Routing Information Protocol - IPRIPng
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* --------------------------------------
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* RTOS and TCP/IP stack portable implementation of Routing Information
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* Protocol RIPng.
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*
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* Compliant with the following RFC:
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* RFC 2080 RIPng
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*
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*
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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 <ipcom_type.h>
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#include <ipcom_list.h>
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#include <ipcom_sock.h>
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#include <ipcom_sock6.h>
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#include <ipcom_inet.h>
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#include <ipcom_tags.h>
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#include <ipcom_route.h>
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#include <ipnet_routesock.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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#define SET_IN6_LINKLOCAL_IFINDEX(addr, index) \
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do { \
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(addr).s6_addr[2] = (Ip_u8)(((index) >> 8) & 0xff); \
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(addr).s6_addr[3] = (Ip_u8)((index) & 0xff); \
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} while (0)
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#define ROUNDUP(a) \
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((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
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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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struct ifc;
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#define in6_addr Ip_in6_addr
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/*
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*===========================================================================
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* Ipripng_rt
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*===========================================================================
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*/
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struct netinfo6 {
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struct in6_addr rip6_dest;
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Ip_u16 rip6_tag;
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Ip_u8 rip6_plen;
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Ip_u8 rip6_metric;
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};
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typedef struct Ipripng_rt_struct
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{
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Ipcom_route_entry hdr; /* The header required by the route package */
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Ipcom_list rt_list;
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/* User Route info. */
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struct Ipripng_rt *rrt_next; /* next destination */
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struct netinfo6 rrt_info; /* network info */
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struct in6_addr rrt_gw; /* gateway */
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Ip_u32 rrt_flags; /* kernel routing table flags */
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Ip_u32 rrt_rflags; /* ripng routing table flags */
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Ip_time_t rrt_t; /* when the route validated */
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int rrt_index; /* ifindex from which this route got */
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Ip_u32 keymask[2];
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#if 0
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Ip_u32 ipaddr_n; /* Route destination IP address (host or net). */
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Ip_u32 mask_n; /* 'ipaddr' mask. If not specified netmask is used. */
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Ip_u32 keymask[2];
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Ip_u32 router_n; /* Router, i.e. gateway. '0' for localhost. */
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Ip_s32 metric; /* Metric. */
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Ip_u32 ifindex; /* Interface index. */
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Ip_u16 flags; /* Route flags. See IPRIP_ROUTE_FLAG_XXX below. */
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Ip_u16 routetag_n; /* RIPv2 route tag in network endian */
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Ip_u16 age; /* Route age in seconds. */
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#endif
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Ip_u16 update_inst; /* Update instance number. */
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}
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Ipripng_rt;
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#define RRTF_INTERFACE 0x00800000
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#define RRTF_STACKROUTE 0x01000000
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#define RRTF_DELETED 0x02000000
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#define RRTF_RIPNGLEARNED 0x04000000
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#define RRTF_AGGREGATE 0x08000000
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#define RRTF_NOADVERTISE 0x10000000
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#define RRTF_NH_NOT_LLADDR 0x20000000
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#define RRTF_SENDANYWAY 0x40000000
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#define RRTF_CHANGED 0x80000000
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/*
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*===========================================================================
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* Ipripng_open
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*===========================================================================
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* The Ipripng_open structure is used to pass global, i.e. non-interface
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* specific configuration and callback functions to IPRIPng.
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* The 'udp_fd' is used to output UDP RIPng packets.
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* The add_route() and delete_route() callback functions are called by IPRIPng
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* each time a RIPng route is added or deleted. Code to set or delete a route
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* with the TCP/IP stack should be placed in these callbacks.
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* The 'cookie' is passed in the three callback functions and is user
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* specific and not looked at by IPRIPng.
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* No optional global configuration is available yet, hence conf[0] must
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* currently always be set to IPTAG_END.
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*/
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typedef struct Ipripng_open_struct
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{
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Ip_fd udp_fd; /* RIP UDP socket. */
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/* Callback functions. */
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Ip_err (*add_route) (Ipripng_rt *rrt, const struct in6_addr *gw, struct ifc *ifcp);
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Ip_err (*delete_route) (struct netinfo6 *np, const struct in6_addr *gw, Ip_bool proto_set);
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Ip_tag conf[1]; /* None available, included for future compability. */
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}
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Ipripng_open;
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/*
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*===========================================================================
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* RIPng Interface
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*===========================================================================
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*/
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struct iff {
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int iff_type;
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struct in6_addr iff_addr;
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int iff_plen;
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struct iff *iff_next;
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};
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struct ifc { /* Configuration of an RIPng interface */
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char *ifc_name; /* if name */
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struct ifc *ifc_next;
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int ifc_index; /* if index */
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int ifc_mtu; /* if mtu */
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int ifc_metric; /* if metric */
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unsigned int ifc_flags; /* flags */
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int ifc_cflags; /* IFC_XXX */
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struct in6_addr ifc_mylladdr; /* my link-local address */
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struct Ip_sockaddr_in6 ifc_ripsin; /* ripng multicast address */
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struct iff *ifc_filter; /* filter structure */
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struct ifac *ifc_addr; /* list of AF_INET6 addresses */
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int ifc_joined; /* joined to ff02::9 */
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int ifc_horizcfg; /* Split Horizon Configuration */
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};
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struct ifac { /* Adddress associated to an interface */
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struct ifc *ifa_conf; /* back pointer */
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struct ifac *ifa_next;
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struct in6_addr ifa_addr; /* address */
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struct in6_addr ifa_raddr; /* remote address, valid in p2p */
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int ifa_plen; /* prefix length */
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};
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/*
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*===========================================================================
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* Allowed neighbor list
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*===========================================================================
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*/
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struct nb_list {
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struct nb_list *nb_next;
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struct in6_addr nb_addr;
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};
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/*
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****************************************************************************
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* 6 PUBLIC FUNCTIONS
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****************************************************************************
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*/
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/*
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*===========================================================================
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* ipripng_init
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*===========================================================================
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* Description: Initialize IPRIPng global data 'ipripng' and allocate
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* temporary RIPng output buffer memory.
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* Parameters: .
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* Returns: IPCOM_SUCCESS or error code.
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*
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*/
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IP_PUBLIC Ip_err ipripng_init(void);
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/*
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*===========================================================================
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* ipripng_exit
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*===========================================================================
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* Description: Release, i.e. free, temporary IPRIPng dynamic memory.
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* Parameters: .
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* Returns: .
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*
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*/
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IP_PUBLIC Ip_err ipripng_exit(void);
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/*
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*===========================================================================
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* ipripng_open
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*===========================================================================
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* Description: Open and configure IPRIPng with global, i.e. non-interface
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* specific, information.
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* Parameters: config - A pointer to an initialized Ipripng_open structure:
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* cookie - Optional user specific data returned in the
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* callback functions below.
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* add_route - Function hook called each time a route is added.
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* delete_route - Function hook called each time a route is deleted.
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* conf - Optional configuration (none in use yet).
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* Returns: IPCOM_ERR_ALREADY_OPEN - iprip_open() should only be called
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* once.
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* IPCOM_ERR_UNSUPPORTED_TAG - No optional configuration is
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* in use and conf[0] must be set to IPTAG_END.
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* IPCOM_SUCCESS - Success.
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*
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*/
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IP_PUBLIC Ip_err ipripng_open(Ipripng_open *config);
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/*
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*===========================================================================
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* ipripng_close
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*===========================================================================
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* Description: Close an opened IPRIPng. all the RIPng
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* interfaces are closed and deleted.
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* Parameters: .
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* Returns: IPCOM_ERR_ALREADY_CLOSED - Failed to close since not open.
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* IPCOM_SUCCESS - Success.
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*
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*/
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IP_PUBLIC Ip_err ipripng_close(void);
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/*
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*===========================================================================
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* ipripng_ctrl
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*===========================================================================
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* Description: Get global IPRIPng statistics or interface information.
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* Parameters: ctrltags A IPTAG_END terminated tag array containing the
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* desired information tags and space for the return value.
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* Returns: IPCOM_ERR_UNSUPPORTED_TAG - The configuration tag array
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* contained an unknown tag.
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* IPCOM_SUCCESS - Success.
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*
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*/
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IP_PUBLIC Ip_err ipripng_ctrl(Ip_tag *ctrltags);
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/****** IPRIPng control tags. ******/
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/* Get interface index of interface with IP address tag value, i.e. use
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* this tag if you have the IP address and require the RIPng interface index
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* having that IP address. Note that this implies that all RIPng interfaces
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* must have unique IP addresses. The IP address is given in network endian.
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*/
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#define IPRIPNG_CTRLT_GET_IFINDEX_INTERFACE 0xff050001
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/* Get first/next lexicographic RIPng interface index (IP address > tag value).
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* The tag value should be set to 0 for the first interface. Setting the tag
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* value to an IP address results in the retrieval of the next lexicographic
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* interface or NSINVAL_IFINDEX if none available. The IP address is given in
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* network endian.
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*/
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#define IPRIPNG_CTRLT_GET_NEXT_INTERFACE 0xff050002
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/* Get number of route changes made to the IP route database by RIPng. */
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#define IPRIPNG_CTRLT_GET_rip2GlobalRouteChanges 0xff050003
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/* Get number of responses sent to RIPng queries from other systems. */
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#define IPRIPNG_CTRLT_GET_rip2GlobalQueries 0xff050004
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/*
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****************************************************************************
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* 7 GLOBAL FUNCTIONS
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****************************************************************************
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* Internal functions for the ipnet port.
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*/
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IP_GLOBAL char *ipripng_allocopy(char *p);
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IP_GLOBAL struct ifc *ifc_find(char *name);
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IP_GLOBAL struct iff *iff_find(struct ifc *ifcp, int type);
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IP_GLOBAL void ifflags(int flags, char *ripng_if_buf);
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IP_GLOBAL int mask2len(const struct in6_addr *addr, int lenlim);
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IP_GLOBAL struct ifac *ifa_match(const struct ifc *ifcp, const struct in6_addr *ia, int plen);
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IP_GLOBAL int getifmtu(int ifindex);
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IP_GLOBAL void applyplen(struct in6_addr *ipa, int plen);
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IP_GLOBAL Ip_time_t time_offset(Ip_time_t *tod);
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IP_GLOBAL Ip_time_t ipripng_nexttrigger_time(void);
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IP_GLOBAL int sin6mask2len(const struct Ip_sockaddr_in6 *sin6);
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IP_GLOBAL void rtflags(struct Ipnet_rt_msghdr *rtm, char *ripng_rt_buf);
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IP_PUBLIC int out_filter(Ipripng_rt *rrt, struct ifc *ifcp);
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IP_GLOBAL int tobeadv(Ipripng_rt *rrt, struct ifc *ifcp);
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IP_GLOBAL Ip_bool ipripng_neighbor_verify(struct in6_addr * nb_addr);
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IP_GLOBAL struct in6_addr *plen2mask(int n);
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#if 0
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IP_GLOBAL char *ipripng_routeinfo(Ipripng_rt *rt);
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#endif
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IP_GLOBAL void ipripng_config_read(void);
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IP_GLOBAL Ip_fd ipripng_ripsocket(void);
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IP_GLOBAL Ip_fd ipripng_rtsocket(void);
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IP_GLOBAL struct ifc *ipripng_ifhead(void);
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IP_GLOBAL int ipripng_nflag(void);
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IP_GLOBAL int ipripng_sflag(void);
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IP_GLOBAL int ipripng_Sflag(void);
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IP_GLOBAL struct nb_list *ipripng_nb_list_root(void);
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IP_GLOBAL Ip_err ipripng_krtread(int again);
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IP_GLOBAL void ipripng_sendrequest(struct ifc *ifcp);
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IP_GLOBAL Ip_err ipripng_rtrecv(void);
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IP_GLOBAL Ip_err ipripng_initsocks(void);
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IP_GLOBAL int ipripng_ifrt(struct ifc *ifcp, int again);
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IP_GLOBAL Ip_err ipripng_filterconfig(void);
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IP_GLOBAL Ip_err ipripng_riprecv(void);
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IP_GLOBAL Ip_err ipripng_ifconfig(void);
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IP_PUBLIC Ip_err ipripng_init(void);
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IP_PUBLIC Ip_err ipripng_exit(void);
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IP_PUBLIC Ip_err ipripng_open(Ipripng_open *config);
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IP_PUBLIC Ip_err ipripng_close(void);
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IP_PUBLIC Ip_err ipripng_ctrl(Ip_tag *ctrltags);
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IP_PUBLIC Ip_err ipripng_ifclose(Ip_u32 ifindex);
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IP_GLOBAL void ipripng_ifdump(void);
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IP_GLOBAL void ipripng_rtdump(void);
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IP_PUBLIC const char * ipripng_version(void);
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IP_PUBLIC Ip_err ripngStart(char *,int);
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IP_GLOBAL void ripngStop(void);
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IP_PUBLIC Ip_err ipripng_start(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*#ifndef IPRIPNG_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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Reference in New Issue
Block a user