pimd/pim_mroute.h

   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 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  */
  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
  34 #define PIM_MROUTE_MIN_TTL (1)
  35
  36 #if PIM_IPV == 4
  37
  38 #include <netinet/in.h>
  39 #if defined(HAVE_LINUX_MROUTE_H)
  40 #include <linux/mroute.h>
  41 #else
  42 #include "linux/mroute.h"
  43 #endif
  44
  45 typedef struct vifctl pim_vifctl;
  46 typedef struct igmpmsg kernmsg;
  47 typedef struct sioc_sg_req pim_sioc_sg_req;
  48
  49 #define vc_vifi vifc_vifi
  50 #define vc_flags vifc_flags
  51 #define vc_threshold vifc_threshold
  52 #define vc_rate_limit vifc_rate_limit
  53 #define vc_lcl_addr vifc_lcl_addr
  54 #define vc_lcl_ifindex vifc_lcl_ifindex
  55 #define vc_rmt_addr vifc_rmt_addr
  56
  57 #define msg_im_msgtype im_msgtype
  58 #define msg_im_vif im_vif
  59 #define msg_im_src im_src
  60 #define msg_im_dst im_dst
  61
  62 #ifndef IGMPMSG_WRVIFWHOLE
  63 #define IGMPMSG_WRVIFWHOLE 4 /* For PIM processing */
  64 #endif
  65
  66 #ifndef GMMSG_NOCACHE
  67 #define GMMSG_NOCACHE IGMPMSG_NOCACHE       /* For PIM processing */
  68 #define GMMSG_WHOLEPKT IGMPMSG_WHOLEPKT     /* For PIM processing */
  69 #define GMMSG_WRONGVIF IGMPMSG_WRONGVIF     /* For PIM processing */
  70 #define GMMSG_WRVIFWHOLE IGMPMSG_WRVIFWHOLE /* For PIM processing */
  71 #endif
  72
  73 #ifndef PIM_IPPROTO
  74 #define PIM_IPPROTO IPPROTO_IP
  75 #endif
  76 #ifndef PIM_SIOCGETSGCNT
  77 #define PIM_SIOCGETSGCNT SIOCGETSGCNT
  78 #endif
  79
  80 #else /* PIM_IPV != 4 */
  81
  82 #include <netinet/ip6.h>
  83
  84 #if defined(HAVE_LINUX_MROUTE6_H)
  85 #include <linux/mroute6.h>
  86 #else
  87 #include "linux/mroute6.h"
  88 #endif
  89
  90 #ifndef MRT_INIT
  91 #define MRT_BASE MRT6_BASE
  92 #define MRT_INIT MRT6_INIT
  93 #define MRT_DONE MRT6_DONE
  94 #define MRT_ADD_VIF MRT6_ADD_MIF
  95 #define MRT_DEL_VIF MRT6_DEL_MIF
  96 #define MRT_ADD_MFC MRT6_ADD_MFC
  97 #define MRT_DEL_MFC MRT6_DEL_MFC
  98 #define MRT_VERSION MRT6_VERSION
  99 #define MRT_ASSERT MRT6_ASSERT
 100 #define MRT_PIM MRT6_PIM
 101 #define MRT_TABLE MRT6_TABLE
 102 #endif
 103
 104 #ifndef PIM_IPPROTO
 105 #define PIM_IPPROTO IPPROTO_IPV6
 106 #endif
 107
 108 #ifndef PIM_SIOCGETSGCNT
 109 #define PIM_SIOCGETSGCNT SIOCGETSGCNT_IN6
 110 #endif
 111
 112 #ifndef MRT6MSG_WRMIFWHOLE
 113 #define MRT6MSG_WRMIFWHOLE 4 /* For PIM processing */
 114 #endif
 115
 116 #ifndef GMMSG_NOCACHE
 117 #define GMMSG_NOCACHE MRT6MSG_NOCACHE       /* For PIM processing */
 118 #define GMMSG_WHOLEPKT MRT6MSG_WHOLEPKT     /* For PIM processing */
 119 #define GMMSG_WRONGVIF MRT6MSG_WRONGMIF     /* For PIM processing */
 120 #define GMMSG_WRVIFWHOLE MRT6MSG_WRMIFWHOLE /* For PIM processing */
 121 #endif
 122
 123 typedef struct mif6ctl pim_vifctl;
 124 typedef struct mrt6msg kernmsg;
 125 typedef mifi_t vifi_t;
 126 typedef struct sioc_sg_req6 pim_sioc_sg_req;
 127
 128 #define vc_vifi mif6c_mifi
 129 #define vc_flags mif6c_flags
 130 #define vc_threshold vifc_threshold
 131 #define vc_pifi mif6c_pifi
 132 #define vc_rate_limit vifc_rate_limit
 133
 134 #define msg_im_msgtype im6_msgtype
 135 #define msg_im_vif im6_mif
 136 #define msg_im_src im6_src
 137 #define msg_im_dst im6_dst
 138
 139 #ifndef MAXVIFS
 140 #define MAXVIFS IF_SETSIZE
 141 #endif
 142
 143 #define VIFF_REGISTER MIFF_REGISTER
 144 #endif
 145
 146
 147 /*
 148   Above: from <linux/mroute.h>
 149 */
 150
 151 struct channel_oil;
 152 struct pim_instance;
 153
 154 int pim_mroute_socket_enable(struct pim_instance *pim);
 155 int pim_mroute_socket_disable(struct pim_instance *pim);
 156
 157 int pim_mroute_add_vif(struct interface *ifp, pim_addr ifaddr,
 158                        unsigned char flags);
 159 int pim_mroute_del_vif(struct interface *ifp);
 160
 161 int pim_upstream_mroute_add(struct channel_oil *c_oil, const char *name);
 162 int pim_upstream_mroute_iif_update(struct channel_oil *c_oil, const char *name);
 163 int pim_static_mroute_add(struct channel_oil *c_oil, const char *name);
 164 void pim_static_mroute_iif_update(struct channel_oil *c_oil,
 165                                 int input_vif_index,
 166                                 const char *name);
 167 int pim_mroute_del(struct channel_oil *c_oil, const char *name);
 168
 169 void pim_mroute_update_counters(struct channel_oil *c_oil);
 170 bool pim_mroute_allow_iif_in_oil(struct channel_oil *c_oil,
 171                 int oif_index);
 172 int pim_mroute_msg(struct pim_instance *pim, const char *buf, size_t buf_size,
 173                    ifindex_t ifindex);
 174 int pim_mroute_msg_nocache(int fd, struct interface *ifp, const kernmsg *msg);
 175 int pim_mroute_msg_wholepkt(int fd, struct interface *ifp, const char *buf,
 176                             size_t len);
 177 int pim_mroute_msg_wrongvif(int fd, struct interface *ifp, const kernmsg *msg);
 178 int pim_mroute_msg_wrvifwhole(int fd, struct interface *ifp, const char *buf,
 179                               size_t len);
 180 int pim_mroute_set(struct pim_instance *pim, int enable);
 181 #endif /* PIM_MROUTE_H */