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	We should probably prevent any type of namespace collision with something else. Signed-off-by: Donald Sharp <sharpd@nvidia.com>
		
			
				
	
	
		
			79 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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 * ldp_sync.c: LDP-SYNC handling routines
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 * Copyright (C) 2020 Volta Networks, Inc.
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 */
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#include <zebra.h>
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#include "command.h"
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#include "memory.h"
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#include "prefix.h"
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#include "log.h"
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#include "frrevent.h"
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#include "stream.h"
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#include "zclient.h"
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#include "table.h"
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#include "vty.h"
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#include "ldp_sync.h"
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/* Library code */
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DEFINE_MTYPE_STATIC(LIB, LDP_SYNC_INFO, "LDP SYNC info");
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/*
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 * ldp_sync_info_create - Allocate the LDP_SYNC information
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 */
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struct ldp_sync_info *ldp_sync_info_create(void)
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{
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	struct ldp_sync_info *ldp_sync_info;
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	ldp_sync_info = XCALLOC(MTYPE_LDP_SYNC_INFO,
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				sizeof(struct ldp_sync_info));
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	assert(ldp_sync_info);
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	ldp_sync_info->flags = 0;
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	ldp_sync_info->enabled = LDP_IGP_SYNC_DEFAULT;
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	ldp_sync_info->state = LDP_IGP_SYNC_STATE_NOT_REQUIRED;
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	ldp_sync_info->holddown = LDP_IGP_SYNC_HOLDDOWN_DEFAULT;
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	ldp_sync_info->t_holddown = NULL;
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	return ldp_sync_info;
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}
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/*
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 * ldp_sync_info_free - Free the LDP_SYNC information.
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 */
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void ldp_sync_info_free(struct ldp_sync_info **ldp_sync_info)
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{
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	if (*ldp_sync_info)
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		XFREE(MTYPE_LDP_SYNC_INFO, *ldp_sync_info);
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}
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bool ldp_sync_if_is_enabled(struct ldp_sync_info *ldp_sync_info)
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{
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	/* return true if LDP-SYNC is configured on this interface */
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	if (ldp_sync_info &&
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	    ldp_sync_info->enabled == LDP_IGP_SYNC_ENABLED &&
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	    ldp_sync_info->state == LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP)
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		return true;
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	return false;
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}
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bool ldp_sync_if_down(struct ldp_sync_info *ldp_sync_info)
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{
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	/* Stop LDP-SYNC on this interface:
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	 *   if holddown timer is running stop it
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	 *   update state
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	 */
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	if (ldp_sync_info && ldp_sync_info->enabled == LDP_IGP_SYNC_ENABLED) {
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		EVENT_OFF(ldp_sync_info->t_holddown);
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		if (ldp_sync_info->state == LDP_IGP_SYNC_STATE_REQUIRED_UP)
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			ldp_sync_info->state =
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				LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP;
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		return true;
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	}
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	return false;
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}
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