[mirror_frr.git] / pimd / pim_mroute.h

/*
 * 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 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>
*/

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(int vif_index);

int pim_mroute_add(struct channel_oil *c_oil, 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);
#endif /* PIM_MROUTE_H */
Commit	Line	Data
12e41d03	1	/*
896014f4 DL	2	* PIM for Quagga
	3	* Copyright (C) 2008 Everton da Silva Marques
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License along
	16	* with this program; see the file COPYING; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18	*/
12e41d03 DL	19
	20	#ifndef PIM_MROUTE_H
	21	#define PIM_MROUTE_H
	22
	23	/*
	24	For msghdr.msg_control in Solaris 10
	25	*/
	26	#ifndef _XPG4_2
	27	#define _XPG4_2
	28	#endif
	29	#ifndef __EXTENSIONS__
	30	#define __EXTENSIONS__
	31	#endif
	32
	33	#include <netinet/in.h>
	34	#ifdef HAVE_NETINET_IP_MROUTE_H
	35	#include <netinet/ip_mroute.h>
	36	#endif
	37
	38	#define PIM_MROUTE_MIN_TTL (1)
	39
a724477d DS	40	#if defined(HAVE_LINUX_MROUTE_H)
	41	#include <linux/mroute.h>
	42	#else
12e41d03 DL	43	/*
	44	Below: from <linux/mroute.h>
	45	*/
	46
	47	#ifndef MAXVIFS
1865a44a	48	#define MAXVIFS (256)
12e41d03 DL	49	#endif
	50
	51	#ifndef SIOCGETVIFCNT
	52	#define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */
	53	#define SIOCGETSGCNT (SIOCPROTOPRIVATE+1)
	54	#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
	55	#endif
	56
	57	#ifndef MRT_INIT
	58	#define MRT_BASE 200
	59	#define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */
	60	#define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */
	61	#define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */
	62	#define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */
	63	#define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */
	64	#define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */
	65	#define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */
	66	#define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */
	67	#define MRT_PIM (MRT_BASE+8) /* enable PIM code */
	68	#endif
	69
	70	#ifndef HAVE_VIFI_T
	71	typedef unsigned short vifi_t;
	72	#endif
	73
	74	#ifndef HAVE_STRUCT_VIFCTL
	75	struct vifctl {
d62a17ae	76	vifi_t vifc_vifi; /* Index of VIF */
	77	unsigned char vifc_flags; /* VIFF_ flags */
	78	unsigned char vifc_threshold; /* ttl limit */
	79	unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
	80	struct in_addr vifc_lcl_addr; /* Our address */
	81	struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */
12e41d03 DL	82	};
	83	#endif
	84
	85	#ifndef HAVE_STRUCT_MFCCTL
	86	struct mfcctl {
d62a17ae	87	struct in_addr mfcc_origin; /* Origin of mcast */
	88	struct in_addr mfcc_mcastgrp; /* Group in question */
	89	vifi_t mfcc_parent; /* Where it arrived */
	90	unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */
	91	unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */
	92	unsigned int mfcc_byte_cnt;
	93	unsigned int mfcc_wrong_if;
	94	int mfcc_expire;
12e41d03 DL	95	};
	96	#endif
	97
	98	/*
	99	* Group count retrieval for mrouted
	100	*/
	101	/*
	102	struct sioc_sg_req sgreq;
	103	memset(&sgreq, 0, sizeof(sgreq));
	104	memcpy(&sgreq.src, &source_addr, sizeof(sgreq.src));
	105	memcpy(&sgreq.grp, &group_addr, sizeof(sgreq.grp));
	106	ioctl(mrouter_s4, SIOCGETSGCNT, &sgreq);
	107	*/
	108	#ifndef HAVE_STRUCT_SIOC_SG_REQ
	109	struct sioc_sg_req {
d62a17ae	110	struct in_addr src;
	111	struct in_addr grp;
	112	unsigned long pktcnt;
	113	unsigned long bytecnt;
	114	unsigned long wrong_if;
12e41d03 DL	115	};
	116	#endif
	117
	118	/*
	119	* To get vif packet counts
	120	*/
	121	/*
	122	struct sioc_vif_req vreq;
	123	memset(&vreq, 0, sizeof(vreq));
	124	vreq.vifi = vif_index;
	125	ioctl(mrouter_s4, SIOCGETVIFCNT, &vreq);
	126	*/
	127	#ifndef HAVE_STRUCT_SIOC_VIF_REQ
	128	struct sioc_vif_req {
d62a17ae	129	vifi_t vifi; /* Which iface */
	130	unsigned long icount; /* In packets */
	131	unsigned long ocount; /* Out packets */
	132	unsigned long ibytes; /* In bytes */
	133	unsigned long obytes; /* Out bytes */
12e41d03 DL	134	};
	135	#endif
	136
	137	/*
	138	* Pseudo messages used by mrouted
	139	*/
	140	#ifndef IGMPMSG_NOCACHE
	141	#define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */
	142	#define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */
	143	#define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */
	144	#endif
	145
	146	#ifndef HAVE_STRUCT_IGMPMSG
d62a17ae	147	struct igmpmsg {
	148	uint32_t unused1, unused2;
	149	unsigned char im_msgtype; /* What is this */
	150	unsigned char im_mbz; /* Must be zero */
	151	unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */
	152	unsigned char unused3;
	153	struct in_addr im_src, im_dst;
12e41d03 DL	154	};
12e41d03 DL	155	#endif
a724477d	156	#endif
12e41d03	157
87243934	158	#ifndef IGMPMSG_WRVIFWHOLE
75a26779	159	#define IGMPMSG_WRVIFWHOLE 4 /* For PIM processing */
87243934 DS	160	#endif
87243934 DS	161
12e41d03 DL	162	/*
	163	Above: from <linux/mroute.h>
	164	*/
	165
6beed987 DS	166	int pim_mroute_socket_enable(struct pim_instance *pim);
6beed987 DS	167	int pim_mroute_socket_disable(struct pim_instance *pim);
12e41d03	168
d62a17ae	169	int pim_mroute_add_vif(struct interface *ifp, struct in_addr ifaddr,
d62a17ae	170	unsigned char flags);
12e41d03 DL	171	int pim_mroute_del_vif(int vif_index);
12e41d03 DL	172
6a78764e DS	173	int pim_mroute_add(struct channel_oil c_oil, const char name);
6a78764e DS	174	int pim_mroute_del(struct channel_oil c_oil, const char name);
12e41d03	175
d62a17ae	176	void pim_mroute_update_counters(struct channel_oil *c_oil);
12e41d03	177	#endif /* PIM_MROUTE_H */