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/*
* PIM for Quagga
* Copyright (C) 2008 Everton da Silva Marques
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PIM_MROUTE_H
#define PIM_MROUTE_H
/*
For msghdr.msg_control in Solaris 10
*/
#ifndef _XPG4_2
#define _XPG4_2
#endif
#ifndef __EXTENSIONS__
#define __EXTENSIONS__
#endif
#include <netinet/in.h>
#ifdef HAVE_NETINET_IP_MROUTE_H
#include <netinet/ip_mroute.h>
#endif
#define PIM_MROUTE_MIN_TTL (1)
#if defined(HAVE_LINUX_MROUTE_H)
#include <linux/mroute.h>
#else
/*
Below: from <linux/mroute.h>
*/
#ifndef MAXVIFS
#define MAXVIFS (256)
#endif
#ifndef SIOCGETVIFCNT
#define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */
#define SIOCGETSGCNT (SIOCPROTOPRIVATE+1)
#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
#endif
#ifndef MRT_INIT
#define MRT_BASE 200
#define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */
#define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */
#define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */
#define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */
#define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */
#define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */
#define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */
#define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */
#define MRT_PIM (MRT_BASE+8) /* enable PIM code */
#endif
#ifndef MRT_TABLE
#define MRT_TABLE (209) /* Specify mroute table ID */
#endif
#ifndef HAVE_VIFI_T
typedef unsigned short vifi_t;
#endif
#ifndef HAVE_STRUCT_VIFCTL
struct vifctl {
vifi_t vifc_vifi; /* Index of VIF */
unsigned char vifc_flags; /* VIFF_ flags */
unsigned char vifc_threshold; /* ttl limit */
unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
struct in_addr vifc_lcl_addr; /* Our address */
struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */
};
#endif
#ifndef HAVE_STRUCT_MFCCTL
struct mfcctl {
struct in_addr mfcc_origin; /* Origin of mcast */
struct in_addr mfcc_mcastgrp; /* Group in question */
vifi_t mfcc_parent; /* Where it arrived */
unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */
unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */
unsigned int mfcc_byte_cnt;
unsigned int mfcc_wrong_if;
int mfcc_expire;
};
#endif
/*
* Group count retrieval for mrouted
*/
/*
struct sioc_sg_req sgreq;
memset(&sgreq, 0, sizeof(sgreq));
memcpy(&sgreq.src, &source_addr, sizeof(sgreq.src));
memcpy(&sgreq.grp, &group_addr, sizeof(sgreq.grp));
ioctl(mrouter_s4, SIOCGETSGCNT, &sgreq);
*/
#ifndef HAVE_STRUCT_SIOC_SG_REQ
struct sioc_sg_req {
struct in_addr src;
struct in_addr grp;
unsigned long pktcnt;
unsigned long bytecnt;
unsigned long wrong_if;
};
#endif
/*
* To get vif packet counts
*/
/*
struct sioc_vif_req vreq;
memset(&vreq, 0, sizeof(vreq));
vreq.vifi = vif_index;
ioctl(mrouter_s4, SIOCGETVIFCNT, &vreq);
*/
#ifndef HAVE_STRUCT_SIOC_VIF_REQ
struct sioc_vif_req {
vifi_t vifi; /* Which iface */
unsigned long icount; /* In packets */
unsigned long ocount; /* Out packets */
unsigned long ibytes; /* In bytes */
unsigned long obytes; /* Out bytes */
};
#endif
/*
* Pseudo messages used by mrouted
*/
#ifndef IGMPMSG_NOCACHE
#define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */
#define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */
#define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */
#endif
#ifndef HAVE_STRUCT_IGMPMSG
struct igmpmsg {
uint32_t unused1, unused2;
unsigned char im_msgtype; /* What is this */
unsigned char im_mbz; /* Must be zero */
unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */
unsigned char unused3;
struct in_addr im_src, im_dst;
};
#endif
#endif
#ifndef IGMPMSG_WRVIFWHOLE
#define IGMPMSG_WRVIFWHOLE 4 /* For PIM processing */
#endif
/*
Above: from <linux/mroute.h>
*/
struct channel_oil;
int pim_mroute_socket_enable(struct pim_instance *pim);
int pim_mroute_socket_disable(struct pim_instance *pim);
int pim_mroute_add_vif(struct interface *ifp, struct in_addr ifaddr,
unsigned char flags);
int pim_mroute_del_vif(struct interface *ifp);
int pim_upstream_mroute_add(struct channel_oil *c_oil, const char *name);
int pim_upstream_mroute_iif_update(struct channel_oil *c_oil, const char *name);
int pim_static_mroute_add(struct channel_oil *c_oil, const char *name);
void pim_static_mroute_iif_update(struct channel_oil *c_oil,
int input_vif_index,
const char *name);
int pim_mroute_del(struct channel_oil *c_oil, const char *name);
void pim_mroute_update_counters(struct channel_oil *c_oil);
bool pim_mroute_allow_iif_in_oil(struct channel_oil *c_oil,
int oif_index);
#endif /* PIM_MROUTE_H */
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