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git.proxmox.com Git - mirror_frr.git/blob - isisd/isis_flags.h
2 * IS-IS Rout(e)ing protocol - isis_flags.h
3 * Routines for manipulation of SSN and SRM flags
5 * Copyright (C) 2001,2002 Sampo Saaristo
6 * Tampere University of Technology
7 * Institute of Communications Engineering
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public Licenseas published by the Free
11 * Software Foundation; either version 2 of the License, or (at your option)
14 * This program is distributed in the hope that it will be useful,but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 #ifndef _ZEBRA_ISIS_FLAGS_H
25 #define _ZEBRA_ISIS_FLAGS_H
27 /* The grand plan is to support 1024 circuits so we have 32*32 bit flags
28 * the support will be achived using the newest drafts */
29 #define ISIS_MAX_CIRCUITS 32 /* = 1024 */ /*FIXME:defined in lsp.h as well*/
31 struct flags
*new_flags (int size
);
32 int flags_get_index (struct flags
*flags
);
33 void flags_free_index (struct flags
*flags
, int index
);
35 int flags_any_set (u_int32_t
*flags
);
37 #define ISIS_SET_FLAG(F,C) \
38 F[C->idx>>5] |= (1<<(C->idx & 0x1F));
40 #define ISIS_CLEAR_FLAG(F,C) \
41 F[C->idx>>5] &= ~(1<<(C->idx & 0x1F));
43 #define ISIS_CHECK_FLAG(F, C) F[(C)->idx>>5] & (1<<(C->idx & 0x1F))
45 /* sets all u_32int_t flags to 1 */
46 #define ISIS_FLAGS_SET_ALL(FLAGS) \
47 memset(FLAGS,0xFF,ISIS_MAX_CIRCUITS*4);
49 #define ISIS_FLAGS_CLEAR_ALL(FLAGS) \
50 memset(FLAGS,0x00,ISIS_MAX_CIRCUITS*4);
52 #endif /* _ZEBRA_ISIS_FLAGS_H */