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git.proxmox.com Git - mirror_frr.git/blob - pimd/pim_oil.h
3 * Copyright (C) 2008 Everton da Silva Marques
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.
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.
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
23 #include "pim_mroute.h"
26 * Where did we get this (S,G) from?
28 * IGMP - Learned from IGMP
29 * PIM - Learned from PIM
30 * SOURCE - Learned from Source multicast packet received
33 #define PIM_OIF_FLAG_PROTO_IGMP (1 << 0)
34 #define PIM_OIF_FLAG_PROTO_PIM (1 << 1)
35 #define PIM_OIF_FLAG_PROTO_SOURCE (1 << 2)
36 #define PIM_OIF_FLAG_PROTO_STAR (1 << 3)
37 #define PIM_OIF_FLAG_PROTO_ANY \
38 (PIM_OIF_FLAG_PROTO_IGMP | PIM_OIF_FLAG_PROTO_PIM \
39 | PIM_OIF_FLAG_PROTO_SOURCE | PIM_OIF_FLAG_PROTO_STAR)
42 * We need a pimreg vif id from the kernel.
43 * Since ifindex == vif id for most cases and the number
44 * of expected interfaces is at most 100, using MAXVIFS -1
46 * Don't come running to me if this assumption is bad,
49 #define PIM_OIF_PIM_REGISTER_VIF 0
50 #define PIM_MAX_USABLE_VIFS (MAXVIFS - 1)
52 struct channel_counts
{
53 unsigned long long lastused
;
55 unsigned long oldpktcnt
;
56 unsigned long bytecnt
;
57 unsigned long oldbytecnt
;
58 unsigned long wrong_if
;
59 unsigned long oldwrong_if
;
63 qpim_channel_oil_list holds a list of struct channel_oil.
65 Each channel_oil.oil is used to control an (S,G) entry in the Kernel
66 Multicast Forwarding Cache.
70 struct pim_instance
*pim
;
74 int oil_inherited_rescan
;
77 time_t oif_creation
[MAXVIFS
];
78 uint32_t oif_flags
[MAXVIFS
];
79 struct channel_counts cc
;
80 struct pim_upstream
*up
;
83 extern struct list
*pim_channel_oil_list
;
85 void pim_oil_init(struct pim_instance
*pim
);
86 void pim_oil_terminate(struct pim_instance
*pim
);
88 void pim_channel_oil_free(struct channel_oil
*c_oil
);
89 struct channel_oil
*pim_find_channel_oil(struct pim_instance
*pim
,
90 struct prefix_sg
*sg
);
91 struct channel_oil
*pim_channel_oil_add(struct pim_instance
*pim
,
94 void pim_channel_oil_del(struct channel_oil
*c_oil
);
96 int pim_channel_add_oif(struct channel_oil
*c_oil
, struct interface
*oif
,
98 int pim_channel_del_oif(struct channel_oil
*c_oil
, struct interface
*oif
,
101 int pim_channel_oil_empty(struct channel_oil
*c_oil
);
103 char *pim_channel_oil_dump(struct channel_oil
*c_oil
, char *buf
, size_t size
);
104 #endif /* PIM_OIL_H */