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2bd9e1bc DS |
1 | /* |
2 | * PIM for Quagga | |
3 | * Copyright (C) 2015 Cumulus Networks, Inc. | |
4 | * Donald Sharp | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
2bd9e1bc DS |
19 | */ |
20 | #include <zebra.h> | |
21 | ||
22 | #include "memory.h" | |
23 | #include "log.h" | |
744d91b3 | 24 | #include "if.h" |
2bd9e1bc DS |
25 | |
26 | #include "pimd.h" | |
27 | #include "pim_str.h" | |
28 | #include "pim_br.h" | |
29 | #include "linklist.h" | |
30 | ||
31 | struct pim_br { | |
6fff2cc6 | 32 | pim_sgaddr sg; |
a141ea61 | 33 | pim_addr pmbr; |
2bd9e1bc DS |
34 | }; |
35 | ||
2bd9e1bc DS |
36 | static struct list *pim_br_list = NULL; |
37 | ||
a141ea61 | 38 | pim_addr pim_br_get_pmbr(pim_sgaddr *sg) |
2bd9e1bc | 39 | { |
d62a17ae | 40 | struct listnode *node; |
41 | struct pim_br *pim_br; | |
2bd9e1bc | 42 | |
d62a17ae | 43 | for (ALL_LIST_ELEMENTS_RO(pim_br_list, node, pim_br)) { |
62f59b58 | 44 | if (!pim_sgaddr_cmp(*sg, pim_br->sg)) |
d62a17ae | 45 | return pim_br->pmbr; |
46 | } | |
2bd9e1bc | 47 | |
e782863d | 48 | return PIMADDR_ANY; |
2bd9e1bc DS |
49 | } |
50 | ||
a141ea61 | 51 | void pim_br_set_pmbr(pim_sgaddr *sg, pim_addr br) |
2bd9e1bc | 52 | { |
d62a17ae | 53 | struct listnode *node, *next; |
54 | struct pim_br *pim_br; | |
2bd9e1bc | 55 | |
d62a17ae | 56 | for (ALL_LIST_ELEMENTS(pim_br_list, node, next, pim_br)) { |
62f59b58 | 57 | if (!pim_sgaddr_cmp(*sg, pim_br->sg)) |
d62a17ae | 58 | break; |
59 | } | |
2bd9e1bc | 60 | |
d62a17ae | 61 | if (!pim_br) { |
62 | pim_br = XCALLOC(MTYPE_PIM_BR, sizeof(*pim_br)); | |
d62a17ae | 63 | pim_br->sg = *sg; |
2bd9e1bc | 64 | |
d62a17ae | 65 | listnode_add(pim_br_list, pim_br); |
66 | } | |
2bd9e1bc | 67 | |
d62a17ae | 68 | pim_br->pmbr = br; |
2bd9e1bc DS |
69 | } |
70 | ||
f14248dd DS |
71 | /* |
72 | * Remove the (S,G) from the stored values | |
73 | */ | |
6fff2cc6 | 74 | void pim_br_clear_pmbr(pim_sgaddr *sg) |
f14248dd | 75 | { |
d62a17ae | 76 | struct listnode *node, *next; |
77 | struct pim_br *pim_br; | |
f14248dd | 78 | |
d62a17ae | 79 | for (ALL_LIST_ELEMENTS(pim_br_list, node, next, pim_br)) { |
62f59b58 | 80 | if (!pim_sgaddr_cmp(*sg, pim_br->sg)) |
d62a17ae | 81 | break; |
82 | } | |
f14248dd | 83 | |
d62a17ae | 84 | if (!pim_br) |
85 | return; | |
f14248dd | 86 | |
d62a17ae | 87 | listnode_delete(pim_br_list, pim_br); |
f14248dd | 88 | } |
2bd9e1bc | 89 | |
d62a17ae | 90 | void pim_br_init(void) |
2bd9e1bc | 91 | { |
d62a17ae | 92 | pim_br_list = list_new(); |
2bd9e1bc | 93 | } |