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	The following types are nonstandard: - u_char - u_short - u_int - u_long - u_int8_t - u_int16_t - u_int32_t Replace them with the C99 standard types: - uint8_t - unsigned short - unsigned int - unsigned long - uint8_t - uint16_t - uint32_t Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
		
			
				
	
	
		
			71 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * IS-IS Rout(e)ing protocol - isis_flags.h
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 *                             Routines for manipulation of SSN and SRM flags
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 *
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 * Copyright (C) 2001,2002   Sampo Saaristo
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 *                           Tampere University of Technology
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 *                           Institute of Communications Engineering
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 *
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 * This program is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public Licenseas published by the Free
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 * Software Foundation; either version 2 of the License, or (at your option)
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 * any later version.
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 *
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 * This program is distributed in the hope that it will be useful,but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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 * more details.
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 *
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 * You should have received a copy of the GNU General Public License along
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 * with this program; see the file COPYING; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#ifndef _ZEBRA_ISIS_FLAGS_H
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#define _ZEBRA_ISIS_FLAGS_H
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/* The grand plan is to support 1024 circuits so we have 32*32 bit flags
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 * the support will be achived using the newest drafts */
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#define ISIS_MAX_CIRCUITS 32 /* = 1024 */
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/*
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 * Flags structure for SSN and SRM flags
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 */
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struct flags {
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	int maxindex;
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	struct list *free_idcs;
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};
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void flags_initialize(struct flags *flags);
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long int flags_get_index(struct flags *flags);
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void flags_free_index(struct flags *flags, long int index);
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int flags_any_set(uint32_t *flags);
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#define _ISIS_SET_FLAG(F, C)                                                   \
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	{                                                                      \
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		F[(C) >> 5] |= (1 << ((C)&0x1F));                              \
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	}
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#define ISIS_SET_FLAG(F, C) _ISIS_SET_FLAG(F, C->idx)
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#define _ISIS_CLEAR_FLAG(F, C)                                                 \
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	{                                                                      \
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		F[(C) >> 5] &= ~(1 << ((C)&0x1F));                             \
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	}
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#define ISIS_CLEAR_FLAG(F, C) _ISIS_CLEAR_FLAG(F, C->idx)
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#define _ISIS_CHECK_FLAG(F, C)  (F[(C)>>5] & (1<<((C) & 0x1F)))
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#define ISIS_CHECK_FLAG(F, C) _ISIS_CHECK_FLAG(F, C->idx)
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/* sets all u_32int_t flags to 1 */
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#define ISIS_FLAGS_SET_ALL(FLAGS)                                              \
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	{                                                                      \
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		memset(FLAGS, 0xFF, ISIS_MAX_CIRCUITS * 4);                    \
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	}
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#define ISIS_FLAGS_CLEAR_ALL(FLAGS)                                            \
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	{                                                                      \
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		memset(FLAGS, 0x00, ISIS_MAX_CIRCUITS * 4);                    \
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	}
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#endif /* _ZEBRA_ISIS_FLAGS_H */
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