Annotation of embedaddon/quagga/pimd/pim_mroute.h, revision 1.1
1.1 ! misho 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:
! 20: $QuaggaId: $Format:%an, %ai, %h$ $
! 21: */
! 22:
! 23: #ifndef PIM_MROUTE_H
! 24: #define PIM_MROUTE_H
! 25:
! 26: /*
! 27: For msghdr.msg_control in Solaris 10
! 28: */
! 29: #ifndef _XPG4_2
! 30: #define _XPG4_2
! 31: #endif
! 32: #ifndef __EXTENSIONS__
! 33: #define __EXTENSIONS__
! 34: #endif
! 35:
! 36: #include <netinet/in.h>
! 37: #ifdef HAVE_NETINET_IP_MROUTE_H
! 38: #include <netinet/ip_mroute.h>
! 39: #endif
! 40:
! 41: #define PIM_MROUTE_MIN_TTL (1)
! 42:
! 43: #if defined(HAVE_LINUX_MROUTE_H)
! 44: #include <linux/mroute.h>
! 45: #else
! 46: /*
! 47: Below: from <linux/mroute.h>
! 48: */
! 49:
! 50: #ifndef MAXVIFS
! 51: #define MAXVIFS (32)
! 52: #endif
! 53:
! 54: #ifndef SIOCGETVIFCNT
! 55: #define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */
! 56: #define SIOCGETSGCNT (SIOCPROTOPRIVATE+1)
! 57: #define SIOCGETRPF (SIOCPROTOPRIVATE+2)
! 58: #endif
! 59:
! 60: #ifndef MRT_INIT
! 61: #define MRT_BASE 200
! 62: #define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */
! 63: #define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */
! 64: #define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */
! 65: #define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */
! 66: #define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */
! 67: #define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */
! 68: #define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */
! 69: #define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */
! 70: #define MRT_PIM (MRT_BASE+8) /* enable PIM code */
! 71: #endif
! 72:
! 73: #ifndef HAVE_VIFI_T
! 74: typedef unsigned short vifi_t;
! 75: #endif
! 76:
! 77: #ifndef HAVE_STRUCT_VIFCTL
! 78: struct vifctl {
! 79: vifi_t vifc_vifi; /* Index of VIF */
! 80: unsigned char vifc_flags; /* VIFF_ flags */
! 81: unsigned char vifc_threshold; /* ttl limit */
! 82: unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
! 83: struct in_addr vifc_lcl_addr; /* Our address */
! 84: struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */
! 85: };
! 86: #endif
! 87:
! 88: #ifndef HAVE_STRUCT_MFCCTL
! 89: struct mfcctl {
! 90: struct in_addr mfcc_origin; /* Origin of mcast */
! 91: struct in_addr mfcc_mcastgrp; /* Group in question */
! 92: vifi_t mfcc_parent; /* Where it arrived */
! 93: unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */
! 94: unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */
! 95: unsigned int mfcc_byte_cnt;
! 96: unsigned int mfcc_wrong_if;
! 97: int mfcc_expire;
! 98: };
! 99: #endif
! 100:
! 101: /*
! 102: * Group count retrieval for mrouted
! 103: */
! 104: /*
! 105: struct sioc_sg_req sgreq;
! 106: memset(&sgreq, 0, sizeof(sgreq));
! 107: memcpy(&sgreq.src, &source_addr, sizeof(sgreq.src));
! 108: memcpy(&sgreq.grp, &group_addr, sizeof(sgreq.grp));
! 109: ioctl(mrouter_s4, SIOCGETSGCNT, &sgreq);
! 110: */
! 111: #ifndef HAVE_STRUCT_SIOC_SG_REQ
! 112: struct sioc_sg_req {
! 113: struct in_addr src;
! 114: struct in_addr grp;
! 115: unsigned long pktcnt;
! 116: unsigned long bytecnt;
! 117: unsigned long wrong_if;
! 118: };
! 119: #endif
! 120:
! 121: /*
! 122: * To get vif packet counts
! 123: */
! 124: /*
! 125: struct sioc_vif_req vreq;
! 126: memset(&vreq, 0, sizeof(vreq));
! 127: vreq.vifi = vif_index;
! 128: ioctl(mrouter_s4, SIOCGETVIFCNT, &vreq);
! 129: */
! 130: #ifndef HAVE_STRUCT_SIOC_VIF_REQ
! 131: struct sioc_vif_req {
! 132: vifi_t vifi; /* Which iface */
! 133: unsigned long icount; /* In packets */
! 134: unsigned long ocount; /* Out packets */
! 135: unsigned long ibytes; /* In bytes */
! 136: unsigned long obytes; /* Out bytes */
! 137: };
! 138: #endif
! 139:
! 140: /*
! 141: * Pseudo messages used by mrouted
! 142: */
! 143: #ifndef IGMPMSG_NOCACHE
! 144: #define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */
! 145: #define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */
! 146: #define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */
! 147: #endif
! 148:
! 149: #ifndef HAVE_STRUCT_IGMPMSG
! 150: struct igmpmsg
! 151: {
! 152: uint32_t unused1,unused2;
! 153: unsigned char im_msgtype; /* What is this */
! 154: unsigned char im_mbz; /* Must be zero */
! 155: unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */
! 156: unsigned char unused3;
! 157: struct in_addr im_src,im_dst;
! 158: };
! 159: #endif
! 160: #endif
! 161:
! 162: /*
! 163: Above: from <linux/mroute.h>
! 164: */
! 165:
! 166: int pim_mroute_socket_enable(void);
! 167: int pim_mroute_socket_disable(void);
! 168:
! 169: int pim_mroute_add_vif(int vif_index, struct in_addr ifaddr);
! 170: int pim_mroute_del_vif(int vif_index);
! 171:
! 172: int pim_mroute_add(struct mfcctl *mc);
! 173: int pim_mroute_del(struct mfcctl *mc);
! 174:
! 175: int pim_mroute_msg(int fd, const char *buf, int buf_size);
! 176:
! 177: #endif /* PIM_MROUTE_H */
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