pimd/pim_mroute.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * PIM for Quagga
   4  * Copyright (C) 2008  Everton da Silva Marques
   5  */
   6
   7 #ifndef PIM_MROUTE_H
   8 #define PIM_MROUTE_H
   9
  10 /*
  11   For msghdr.msg_control in Solaris 10
  12 */
  13 #ifndef _XPG4_2
  14 #define _XPG4_2
  15 #endif
  16 #ifndef __EXTENSIONS__
  17 #define __EXTENSIONS__
  18 #endif
  19
  20
  21 #define PIM_MROUTE_MIN_TTL (1)
  22
  23 #if PIM_IPV == 4
  24
  25 #include <netinet/in.h>
  26 #if defined(HAVE_LINUX_MROUTE_H)
  27 #include <linux/mroute.h>
  28 #else
  29 #include "linux/mroute.h"
  30 #endif
  31
  32 typedef struct vifctl pim_vifctl;
  33 typedef struct igmpmsg kernmsg;
  34 typedef struct sioc_sg_req pim_sioc_sg_req;
  35
  36 #define vc_vifi vifc_vifi
  37 #define vc_flags vifc_flags
  38 #define vc_threshold vifc_threshold
  39 #define vc_rate_limit vifc_rate_limit
  40 #define vc_lcl_addr vifc_lcl_addr
  41 #define vc_lcl_ifindex vifc_lcl_ifindex
  42 #define vc_rmt_addr vifc_rmt_addr
  43
  44 #define msg_im_msgtype im_msgtype
  45 #define msg_im_vif im_vif
  46 #define msg_im_src im_src
  47 #define msg_im_dst im_dst
  48
  49 #ifndef IGMPMSG_WRVIFWHOLE
  50 #define IGMPMSG_WRVIFWHOLE 4 /* For PIM processing */
  51 #endif
  52
  53 #ifndef GMMSG_NOCACHE
  54 #define GMMSG_NOCACHE IGMPMSG_NOCACHE       /* For PIM processing */
  55 #define GMMSG_WHOLEPKT IGMPMSG_WHOLEPKT     /* For PIM processing */
  56 #define GMMSG_WRONGVIF IGMPMSG_WRONGVIF     /* For PIM processing */
  57 #define GMMSG_WRVIFWHOLE IGMPMSG_WRVIFWHOLE /* For PIM processing */
  58 #endif
  59
  60 #ifndef PIM_IPPROTO
  61 #define PIM_IPPROTO IPPROTO_IP
  62 #endif
  63 #ifndef PIM_SIOCGETSGCNT
  64 #define PIM_SIOCGETSGCNT SIOCGETSGCNT
  65 #endif
  66
  67 #else /* PIM_IPV != 4 */
  68
  69 #include <netinet/ip6.h>
  70
  71 #if defined(HAVE_LINUX_MROUTE6_H)
  72 #include <linux/mroute6.h>
  73 #else
  74 #include "linux/mroute6.h"
  75 #endif
  76
  77 #ifndef MRT_INIT
  78 #define MRT_BASE MRT6_BASE
  79 #define MRT_INIT MRT6_INIT
  80 #define MRT_DONE MRT6_DONE
  81 #define MRT_ADD_VIF MRT6_ADD_MIF
  82 #define MRT_DEL_VIF MRT6_DEL_MIF
  83 #define MRT_ADD_MFC MRT6_ADD_MFC
  84 #define MRT_DEL_MFC MRT6_DEL_MFC
  85 #define MRT_VERSION MRT6_VERSION
  86 #define MRT_ASSERT MRT6_ASSERT
  87 #define MRT_PIM MRT6_PIM
  88 #define MRT_TABLE MRT6_TABLE
  89 #endif
  90
  91 #ifndef PIM_IPPROTO
  92 #define PIM_IPPROTO IPPROTO_IPV6
  93 #endif
  94
  95 #ifndef PIM_SIOCGETSGCNT
  96 #define PIM_SIOCGETSGCNT SIOCGETSGCNT_IN6
  97 #endif
  98
  99 #ifndef MRT6MSG_WRMIFWHOLE
 100 #define MRT6MSG_WRMIFWHOLE 4 /* For PIM processing */
 101 #endif
 102
 103 #ifndef GMMSG_NOCACHE
 104 #define GMMSG_NOCACHE MRT6MSG_NOCACHE       /* For PIM processing */
 105 #define GMMSG_WHOLEPKT MRT6MSG_WHOLEPKT     /* For PIM processing */
 106 #define GMMSG_WRONGVIF MRT6MSG_WRONGMIF     /* For PIM processing */
 107 #define GMMSG_WRVIFWHOLE MRT6MSG_WRMIFWHOLE /* For PIM processing */
 108 #endif
 109
 110 typedef struct mif6ctl pim_vifctl;
 111 typedef struct mrt6msg kernmsg;
 112 typedef mifi_t vifi_t;
 113 typedef struct sioc_sg_req6 pim_sioc_sg_req;
 114
 115 #define vc_vifi mif6c_mifi
 116 #define vc_flags mif6c_flags
 117 #define vc_threshold vifc_threshold
 118 #define vc_pifi mif6c_pifi
 119 #define vc_rate_limit vifc_rate_limit
 120
 121 #define msg_im_msgtype im6_msgtype
 122 #define msg_im_vif im6_mif
 123 #define msg_im_src im6_src
 124 #define msg_im_dst im6_dst
 125
 126 #ifndef MAXVIFS
 127 #define MAXVIFS IF_SETSIZE
 128 #endif
 129
 130 #define VIFF_REGISTER MIFF_REGISTER
 131 #endif
 132
 133
 134 /*
 135   Above: from <linux/mroute.h>
 136 */
 137
 138 struct channel_oil;
 139 struct pim_instance;
 140
 141 int pim_mroute_socket_enable(struct pim_instance *pim);
 142 int pim_mroute_socket_disable(struct pim_instance *pim);
 143
 144 int pim_mroute_add_vif(struct interface *ifp, pim_addr ifaddr,
 145                        unsigned char flags);
 146 int pim_mroute_del_vif(struct interface *ifp);
 147
 148 int pim_upstream_mroute_add(struct channel_oil *c_oil, const char *name);
 149 int pim_upstream_mroute_iif_update(struct channel_oil *c_oil, const char *name);
 150 int pim_static_mroute_add(struct channel_oil *c_oil, const char *name);
 151 void pim_static_mroute_iif_update(struct channel_oil *c_oil,
 152                                 int input_vif_index,
 153                                 const char *name);
 154 int pim_mroute_del(struct channel_oil *c_oil, const char *name);
 155
 156 void pim_mroute_update_counters(struct channel_oil *c_oil);
 157 bool pim_mroute_allow_iif_in_oil(struct channel_oil *c_oil,
 158                 int oif_index);
 159 int pim_mroute_msg(struct pim_instance *pim, const char *buf, size_t buf_size,
 160                    ifindex_t ifindex);
 161 int pim_mroute_msg_nocache(int fd, struct interface *ifp, const kernmsg *msg);
 162 int pim_mroute_msg_wholepkt(int fd, struct interface *ifp, const char *buf,
 163                             size_t len);
 164 int pim_mroute_msg_wrongvif(int fd, struct interface *ifp, const kernmsg *msg);
 165 int pim_mroute_msg_wrvifwhole(int fd, struct interface *ifp, const char *buf,
 166                               size_t len);
 167 int pim_mroute_set(struct pim_instance *pim, int enable);
 168 #endif /* PIM_MROUTE_H */