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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 | |
12e41d03 DL |
19 | */ |
20 | ||
21 | #ifndef PIM_MROUTE_H | |
22 | #define PIM_MROUTE_H | |
23 | ||
24 | /* | |
25 | For msghdr.msg_control in Solaris 10 | |
26 | */ | |
27 | #ifndef _XPG4_2 | |
28 | #define _XPG4_2 | |
29 | #endif | |
30 | #ifndef __EXTENSIONS__ | |
31 | #define __EXTENSIONS__ | |
32 | #endif | |
33 | ||
34 | #include <netinet/in.h> | |
35 | #ifdef HAVE_NETINET_IP_MROUTE_H | |
36 | #include <netinet/ip_mroute.h> | |
37 | #endif | |
38 | ||
39 | #define PIM_MROUTE_MIN_TTL (1) | |
40 | ||
a724477d DS |
41 | #if defined(HAVE_LINUX_MROUTE_H) |
42 | #include <linux/mroute.h> | |
43 | #else | |
12e41d03 DL |
44 | /* |
45 | Below: from <linux/mroute.h> | |
46 | */ | |
47 | ||
48 | #ifndef MAXVIFS | |
1865a44a | 49 | #define MAXVIFS (256) |
12e41d03 DL |
50 | #endif |
51 | ||
52 | #ifndef SIOCGETVIFCNT | |
53 | #define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */ | |
54 | #define SIOCGETSGCNT (SIOCPROTOPRIVATE+1) | |
55 | #define SIOCGETRPF (SIOCPROTOPRIVATE+2) | |
56 | #endif | |
57 | ||
58 | #ifndef MRT_INIT | |
59 | #define MRT_BASE 200 | |
60 | #define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */ | |
61 | #define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */ | |
62 | #define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */ | |
63 | #define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */ | |
64 | #define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */ | |
65 | #define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */ | |
66 | #define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */ | |
67 | #define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */ | |
68 | #define MRT_PIM (MRT_BASE+8) /* enable PIM code */ | |
69 | #endif | |
70 | ||
71 | #ifndef HAVE_VIFI_T | |
72 | typedef unsigned short vifi_t; | |
73 | #endif | |
74 | ||
75 | #ifndef HAVE_STRUCT_VIFCTL | |
76 | struct vifctl { | |
77 | vifi_t vifc_vifi; /* Index of VIF */ | |
78 | unsigned char vifc_flags; /* VIFF_ flags */ | |
79 | unsigned char vifc_threshold; /* ttl limit */ | |
80 | unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ | |
81 | struct in_addr vifc_lcl_addr; /* Our address */ | |
82 | struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */ | |
83 | }; | |
84 | #endif | |
85 | ||
86 | #ifndef HAVE_STRUCT_MFCCTL | |
87 | struct mfcctl { | |
88 | struct in_addr mfcc_origin; /* Origin of mcast */ | |
89 | struct in_addr mfcc_mcastgrp; /* Group in question */ | |
90 | vifi_t mfcc_parent; /* Where it arrived */ | |
91 | unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */ | |
92 | unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */ | |
93 | unsigned int mfcc_byte_cnt; | |
94 | unsigned int mfcc_wrong_if; | |
95 | int mfcc_expire; | |
96 | }; | |
97 | #endif | |
98 | ||
99 | /* | |
100 | * Group count retrieval for mrouted | |
101 | */ | |
102 | /* | |
103 | struct sioc_sg_req sgreq; | |
104 | memset(&sgreq, 0, sizeof(sgreq)); | |
105 | memcpy(&sgreq.src, &source_addr, sizeof(sgreq.src)); | |
106 | memcpy(&sgreq.grp, &group_addr, sizeof(sgreq.grp)); | |
107 | ioctl(mrouter_s4, SIOCGETSGCNT, &sgreq); | |
108 | */ | |
109 | #ifndef HAVE_STRUCT_SIOC_SG_REQ | |
110 | struct sioc_sg_req { | |
111 | struct in_addr src; | |
112 | struct in_addr grp; | |
113 | unsigned long pktcnt; | |
114 | unsigned long bytecnt; | |
115 | unsigned long wrong_if; | |
116 | }; | |
117 | #endif | |
118 | ||
119 | /* | |
120 | * To get vif packet counts | |
121 | */ | |
122 | /* | |
123 | struct sioc_vif_req vreq; | |
124 | memset(&vreq, 0, sizeof(vreq)); | |
125 | vreq.vifi = vif_index; | |
126 | ioctl(mrouter_s4, SIOCGETVIFCNT, &vreq); | |
127 | */ | |
128 | #ifndef HAVE_STRUCT_SIOC_VIF_REQ | |
129 | struct sioc_vif_req { | |
130 | vifi_t vifi; /* Which iface */ | |
131 | unsigned long icount; /* In packets */ | |
132 | unsigned long ocount; /* Out packets */ | |
133 | unsigned long ibytes; /* In bytes */ | |
134 | unsigned long obytes; /* Out bytes */ | |
135 | }; | |
136 | #endif | |
137 | ||
138 | /* | |
139 | * Pseudo messages used by mrouted | |
140 | */ | |
141 | #ifndef IGMPMSG_NOCACHE | |
142 | #define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */ | |
143 | #define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */ | |
144 | #define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */ | |
145 | #endif | |
146 | ||
147 | #ifndef HAVE_STRUCT_IGMPMSG | |
148 | struct igmpmsg | |
149 | { | |
150 | uint32_t unused1,unused2; | |
151 | unsigned char im_msgtype; /* What is this */ | |
152 | unsigned char im_mbz; /* Must be zero */ | |
153 | unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */ | |
154 | unsigned char unused3; | |
155 | struct in_addr im_src,im_dst; | |
156 | }; | |
157 | #endif | |
a724477d | 158 | #endif |
12e41d03 DL |
159 | |
160 | /* | |
161 | Above: from <linux/mroute.h> | |
162 | */ | |
163 | ||
164 | int pim_mroute_socket_enable(void); | |
165 | int pim_mroute_socket_disable(void); | |
166 | ||
744d91b3 | 167 | int pim_mroute_add_vif(struct interface *ifp, struct in_addr ifaddr, unsigned char flags); |
12e41d03 DL |
168 | int pim_mroute_del_vif(int vif_index); |
169 | ||
c171d6d8 DS |
170 | int pim_mroute_add(struct channel_oil *c_oil); |
171 | int pim_mroute_del(struct channel_oil *c_oil); | |
12e41d03 DL |
172 | |
173 | int pim_mroute_msg(int fd, const char *buf, int buf_size); | |
174 | ||
3667e8a0 | 175 | void pim_mroute_update_counters (struct channel_oil *c_oil); |
12e41d03 | 176 | #endif /* PIM_MROUTE_H */ |