[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
#endif

/*
  Above: from <linux/mroute.h>
*/

int pim_mroute_socket_enable(void);
int pim_mroute_socket_disable(void);

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);
int pim_mroute_del(struct channel_oil *c_oil);

int pim_mroute_msg(int fd, const char *buf, int buf_size);

void pim_mroute_update_counters (struct channel_oil *c_oil);
#endif /* PIM_MROUTE_H */
Commit	Line	Data
12e41d03 DL	1	/*
	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
	16	along with this program; see the file COPYING; if not, write to the
	17	Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
	18	MA 02110-1301 USA
	19
12e41d03 DL	20	*/
	21
	22	#ifndef PIM_MROUTE_H
	23	#define PIM_MROUTE_H
	24
	25	/*
	26	For msghdr.msg_control in Solaris 10
	27	*/
	28	#ifndef _XPG4_2
	29	#define _XPG4_2
	30	#endif
	31	#ifndef __EXTENSIONS__
	32	#define __EXTENSIONS__
	33	#endif
	34
	35	#include <netinet/in.h>
	36	#ifdef HAVE_NETINET_IP_MROUTE_H
	37	#include <netinet/ip_mroute.h>
	38	#endif
	39
	40	#define PIM_MROUTE_MIN_TTL (1)
	41
a724477d DS	42	#if defined(HAVE_LINUX_MROUTE_H)
	43	#include <linux/mroute.h>
	44	#else
12e41d03 DL	45	/*
	46	Below: from <linux/mroute.h>
	47	*/
	48
	49	#ifndef MAXVIFS
1865a44a	50	#define MAXVIFS (256)
12e41d03 DL	51	#endif
	52
	53	#ifndef SIOCGETVIFCNT
	54	#define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */
	55	#define SIOCGETSGCNT (SIOCPROTOPRIVATE+1)
	56	#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
	57	#endif
	58
	59	#ifndef MRT_INIT
	60	#define MRT_BASE 200
	61	#define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */
	62	#define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */
	63	#define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */
	64	#define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */
	65	#define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */
	66	#define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */
	67	#define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */
	68	#define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */
	69	#define MRT_PIM (MRT_BASE+8) /* enable PIM code */
	70	#endif
	71
	72	#ifndef HAVE_VIFI_T
	73	typedef unsigned short vifi_t;
	74	#endif
	75
	76	#ifndef HAVE_STRUCT_VIFCTL
	77	struct vifctl {
	78	vifi_t vifc_vifi; /* Index of VIF */
	79	unsigned char vifc_flags; /* VIFF_ flags */
	80	unsigned char vifc_threshold; /* ttl limit */
	81	unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
	82	struct in_addr vifc_lcl_addr; /* Our address */
	83	struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */
	84	};
	85	#endif
	86
	87	#ifndef HAVE_STRUCT_MFCCTL
	88	struct mfcctl {
	89	struct in_addr mfcc_origin; /* Origin of mcast */
	90	struct in_addr mfcc_mcastgrp; /* Group in question */
	91	vifi_t mfcc_parent; /* Where it arrived */
	92	unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */
	93	unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */
	94	unsigned int mfcc_byte_cnt;
	95	unsigned int mfcc_wrong_if;
	96	int mfcc_expire;
	97	};
	98	#endif
	99
	100	/*
	101	* Group count retrieval for mrouted
	102	*/
	103	/*
	104	struct sioc_sg_req sgreq;
	105	memset(&sgreq, 0, sizeof(sgreq));
	106	memcpy(&sgreq.src, &source_addr, sizeof(sgreq.src));
	107	memcpy(&sgreq.grp, &group_addr, sizeof(sgreq.grp));
	108	ioctl(mrouter_s4, SIOCGETSGCNT, &sgreq);
	109	*/
	110	#ifndef HAVE_STRUCT_SIOC_SG_REQ
	111	struct sioc_sg_req {
	112	struct in_addr src;
	113	struct in_addr grp;
	114	unsigned long pktcnt;
115	unsigned long bytecnt;
116	unsigned long wrong_if;
117	};
118	#endif
119
120	/*
121	* To get vif packet counts
122	*/
123	/*
124	struct sioc_vif_req vreq;
125	memset(&vreq, 0, sizeof(vreq));
126	vreq.vifi = vif_index;
127	ioctl(mrouter_s4, SIOCGETVIFCNT, &vreq);
128	*/
129	#ifndef HAVE_STRUCT_SIOC_VIF_REQ
130	struct sioc_vif_req {
131	vifi_t vifi; /* Which iface */
132	unsigned long icount; /* In packets */
133	unsigned long ocount; /* Out packets */
134	unsigned long ibytes; /* In bytes */
135	unsigned long obytes; /* Out bytes */
136	};
137	#endif
138
139	/*
140	* Pseudo messages used by mrouted
141	*/
142	#ifndef IGMPMSG_NOCACHE
143	#define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */
144	#define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */
145	#define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */
146	#endif
147
148	#ifndef HAVE_STRUCT_IGMPMSG
149	struct igmpmsg
150	{
151	uint32_t unused1,unused2;
152	unsigned char im_msgtype; /* What is this */
153	unsigned char im_mbz; /* Must be zero */
154	unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */
155	unsigned char unused3;
156	struct in_addr im_src,im_dst;
157	};
158	#endif
a724477d	159	#endif
12e41d03	160
87243934 DS	161	#ifndef IGMPMSG_WRVIFWHOLE
	162	#define IGMPMSG_WRVIFWHOLE 4
	163	#endif
	164
12e41d03 DL	165	/*
	166	Above: from <linux/mroute.h>
	167	*/
	168
	169	int pim_mroute_socket_enable(void);
	170	int pim_mroute_socket_disable(void);
	171
744d91b3	172	int pim_mroute_add_vif(struct interface *ifp, struct in_addr ifaddr, unsigned char flags);
12e41d03 DL	173	int pim_mroute_del_vif(int vif_index);
12e41d03 DL	174
c171d6d8 DS	175	int pim_mroute_add(struct channel_oil *c_oil);
c171d6d8 DS	176	int pim_mroute_del(struct channel_oil *c_oil);
12e41d03 DL	177
	178	int pim_mroute_msg(int fd, const char *buf, int buf_size);
	179
3667e8a0	180	void pim_mroute_update_counters (struct channel_oil *c_oil);
12e41d03	181	#endif /* PIM_MROUTE_H */