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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 | |
19 | ||
20 | $QuaggaId: $Format:%an, %ai, %h$ $ | |
21 | */ | |
22 | ||
23 | #ifndef PIM_OIL_H | |
24 | #define PIM_OIL_H | |
25 | ||
26 | #include "pim_mroute.h" | |
27 | ||
0fba6e63 DS |
28 | /* |
29 | * Where did we get this (S,G) from? | |
30 | * | |
31 | * IGMP - Learned from IGMP | |
32 | * PIM - Learned from PIM | |
33 | * SOURCE - Learned from Source multicast packet received | |
34 | */ | |
35 | #define PIM_OIF_FLAG_PROTO_IGMP (1 << 0) | |
36 | #define PIM_OIF_FLAG_PROTO_PIM (1 << 1) | |
37 | #define PIM_OIF_FLAG_PROTO_SOURCE (2 << 1) | |
38 | #define PIM_OIF_FLAG_PROTO_ANY (PIM_OIF_FLAG_PROTO_IGMP | \ | |
39 | PIM_OIF_FLAG_PROTO_PIM | \ | |
40 | PIM_OIF_FLAG_PROTO_SOURCE) | |
12e41d03 | 41 | |
1865a44a DS |
42 | /* |
43 | * We need a pimreg vif id from the kernel. | |
44 | * Since ifindex == vif id for most cases and the number | |
45 | * of expected interfaces is at most 100, using MAXVIFS -1 | |
46 | * is probably ok. | |
47 | * Don't come running to me if this assumption is bad, | |
48 | * fix it. | |
49 | */ | |
50 | #define PIM_OIF_PIM_REGISTER_VIF (MAXVIFS - 1) | |
51 | #define PIM_MAX_USABLE_VIFS (MAXVIFS - 2) | |
52 | ||
3667e8a0 DS |
53 | |
54 | struct channel_counts | |
55 | { | |
56 | unsigned long pktcnt; | |
57 | unsigned long oldpktcnt; | |
58 | unsigned long bytecnt; | |
59 | unsigned long oldbytecnt; | |
60 | unsigned long wrong_if; | |
61 | unsigned long oldwrong_if; | |
62 | }; | |
63 | ||
12e41d03 DL |
64 | /* |
65 | qpim_channel_oil_list holds a list of struct channel_oil. | |
66 | ||
67 | Each channel_oil.oil is used to control an (S,G) entry in the Kernel | |
68 | Multicast Forwarding Cache. | |
69 | */ | |
70 | ||
71 | struct channel_oil { | |
72 | struct mfcctl oil; | |
58302dc7 | 73 | int installed; |
12e41d03 DL |
74 | int oil_size; |
75 | int oil_ref_count; | |
76 | time_t oif_creation[MAXVIFS]; | |
77 | uint32_t oif_flags[MAXVIFS]; | |
3667e8a0 | 78 | struct channel_counts cc; |
12e41d03 DL |
79 | }; |
80 | ||
81 | void pim_channel_oil_free(struct channel_oil *c_oil); | |
82 | struct channel_oil *pim_channel_oil_add(struct in_addr group_addr, | |
83 | struct in_addr source_addr, | |
84 | int input_vif_index); | |
85 | void pim_channel_oil_del(struct channel_oil *c_oil); | |
86 | ||
1865a44a DS |
87 | int pim_channel_add_oif(struct channel_oil *c_oil, |
88 | struct interface *oif, | |
89 | uint32_t proto_mask); | |
90 | ||
12e41d03 | 91 | #endif /* PIM_OIL_H */ |