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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
-
- $QuaggaId: $Format:%an, %ai, %h$ $
- */
- #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 (32)
- #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
- /*
- Above: from <linux/mroute.h>
- */
- int pim_mroute_socket_enable(void);
- int pim_mroute_socket_disable(void);
- int pim_mroute_add_vif(int vif_index, struct in_addr ifaddr);
- int pim_mroute_del_vif(int vif_index);
- int pim_mroute_add(struct mfcctl *mc);
- int pim_mroute_del(struct mfcctl *mc);
- int pim_mroute_msg(int fd, const char *buf, int buf_size);
- #endif /* PIM_MROUTE_H */
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