embedaddon/quagga/isisd/isis_spf.c - diff

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Diff for /embedaddon/quagga/isisd/isis_spf.c between versions 1.1.1.1 and 1.1.1.3

version 1.1.1.1, 2012/02/21 17:26:11	version 1.1.1.3, 2013/07/21 23:54:38
Line 36	Line 36

#include "isis_constants.h"	#include "isis_constants.h"
#include "isis_common.h"	#include "isis_common.h"
	#include "isis_flags.h"
#include "dict.h"	#include "dict.h"
#include "isisd.h"	#include "isisd.h"
#include "isis_misc.h"	#include "isis_misc.h"
Line 49	Line 50
#include "isis_route.h"	#include "isis_route.h"
#include "isis_csm.h"	#include "isis_csm.h"

extern struct isis *isis;
extern struct thread_master *master;
extern struct host host;

int isis_run_spf_l1 (struct thread *thread);	int isis_run_spf_l1 (struct thread *thread);
int isis_run_spf_l2 (struct thread *thread);	int isis_run_spf_l2 (struct thread *thread);

Line 113 remove_excess_adjs (struct list *adjs)	Line 110 remove_excess_adjs (struct list *adjs)
return;	return;
}	}

#ifdef EXTREME_DEBUG
static const char *	static const char *
vtype2string (enum vertextype vtype)	vtype2string (enum vertextype vtype)
{	{
Line 164 vid2string (struct isis_vertex vertex, u_char buff)	Line 160 vid2string (struct isis_vertex vertex, u_char buff)
{	{
case VTYPE_PSEUDO_IS:	case VTYPE_PSEUDO_IS:
case VTYPE_PSEUDO_TE_IS:	case VTYPE_PSEUDO_TE_IS:
return rawlspid_print (vertex->N.id);	return print_sys_hostname (vertex->N.id);
break;	break;
case VTYPE_NONPSEUDO_IS:	case VTYPE_NONPSEUDO_IS:
case VTYPE_NONPSEUDO_TE_IS:	case VTYPE_NONPSEUDO_TE_IS:
case VTYPE_ES:	case VTYPE_ES:
return sysid_print (vertex->N.id);	return print_sys_hostname (vertex->N.id);
break;	break;
case VTYPE_IPREACH_INTERNAL:	case VTYPE_IPREACH_INTERNAL:
case VTYPE_IPREACH_EXTERNAL:	case VTYPE_IPREACH_EXTERNAL:
Line 186 vid2string (struct isis_vertex vertex, u_char buff)	Line 182 vid2string (struct isis_vertex vertex, u_char buff)

return (char *) buff;	return (char *) buff;
}	}
#endif /* EXTREME_DEBUG */

static struct isis_spftree *	static struct isis_vertex *
isis_spftree_new ()	isis_vertex_new (void *id, enum vertextype vtype)
{	{
struct isis_spftree *tree;	struct isis_vertex *vertex;

tree = XCALLOC (MTYPE_ISIS_SPFTREE, sizeof (struct isis_spftree));	vertex = XCALLOC (MTYPE_ISIS_VERTEX, sizeof (struct isis_vertex));
if (tree == NULL)	if (vertex == NULL)
{	{
zlog_err ("ISIS-Spf: isis_spftree_new Out of memory!");	zlog_err ("isis_vertex_new Out of memory!");
return NULL;	return NULL;
}	}

tree->tents = list_new ();	vertex->type = vtype;
tree->paths = list_new ();	switch (vtype)
return tree;	{
	case VTYPE_ES:
	case VTYPE_NONPSEUDO_IS:
	case VTYPE_NONPSEUDO_TE_IS:
	memcpy (vertex->N.id, (u_char *) id, ISIS_SYS_ID_LEN);
	break;
	case VTYPE_PSEUDO_IS:
	case VTYPE_PSEUDO_TE_IS:
	memcpy (vertex->N.id, (u_char *) id, ISIS_SYS_ID_LEN + 1);
	break;
	case VTYPE_IPREACH_INTERNAL:
	case VTYPE_IPREACH_EXTERNAL:
	case VTYPE_IPREACH_TE:
	#ifdef HAVE_IPV6
	case VTYPE_IP6REACH_INTERNAL:
	case VTYPE_IP6REACH_EXTERNAL:
	#endif /* HAVE_IPV6 */
	memcpy (&vertex->N.prefix, (struct prefix *) id,
	sizeof (struct prefix));
	break;
	default:
	zlog_err ("WTF!");
	}

	vertex->Adj_N = list_new ();
	vertex->parents = list_new ();
	vertex->children = list_new ();

	return vertex;
}	}

static void	static void
isis_vertex_del (struct isis_vertex *vertex)	isis_vertex_del (struct isis_vertex *vertex)
{	{
list_delete (vertex->Adj_N);	list_delete (vertex->Adj_N);
	vertex->Adj_N = NULL;
	list_delete (vertex->parents);
	vertex->parents = NULL;
	list_delete (vertex->children);
	vertex->children = NULL;

	memset(vertex, 0, sizeof(struct isis_vertex));
XFREE (MTYPE_ISIS_VERTEX, vertex);	XFREE (MTYPE_ISIS_VERTEX, vertex);

return;	return;
}	}

#if 0 /* HT: Not used yet. */
static void	static void
	isis_vertex_adj_del (struct isis_vertex vertex, struct isis_adjacency adj)
	{
	struct listnode node, nextnode;
	if (!vertex)
	return;
	for (node = listhead (vertex->Adj_N); node; node = nextnode)
	{
	nextnode = listnextnode(node);
	if (listgetdata(node) == adj)
	list_delete_node(vertex->Adj_N, node);
	}
	return;
	}

	struct isis_spftree *
	isis_spftree_new (struct isis_area *area)
	{
	struct isis_spftree *tree;

	tree = XCALLOC (MTYPE_ISIS_SPFTREE, sizeof (struct isis_spftree));
	if (tree == NULL)
	{
	zlog_err ("ISIS-Spf: isis_spftree_new Out of memory!");
	return NULL;
	}

	tree->tents = list_new ();
	tree->paths = list_new ();
	tree->area = area;
	tree->last_run_timestamp = 0;
	tree->last_run_duration = 0;
	tree->runcount = 0;
	tree->pending = 0;
	return tree;
	}

	void
isis_spftree_del (struct isis_spftree *spftree)	isis_spftree_del (struct isis_spftree *spftree)
{	{
	THREAD_TIMER_OFF (spftree->t_spf);

spftree->tents->del = (void ()(void )) isis_vertex_del;	spftree->tents->del = (void ()(void )) isis_vertex_del;
list_delete (spftree->tents);	list_delete (spftree->tents);
	spftree->tents = NULL;

spftree->paths->del = (void ()(void )) isis_vertex_del;	spftree->paths->del = (void ()(void )) isis_vertex_del;
list_delete (spftree->paths);	list_delete (spftree->paths);
	spftree->paths = NULL;

XFREE (MTYPE_ISIS_SPFTREE, spftree);	XFREE (MTYPE_ISIS_SPFTREE, spftree);

return;	return;
}	}
#endif

void	void
	isis_spftree_adj_del (struct isis_spftree spftree, struct isis_adjacency adj)
	{
	struct listnode *node;
	if (!adj)
	return;
	for (node = listhead (spftree->tents); node; node = listnextnode (node))
	isis_vertex_adj_del (listgetdata (node), adj);
	for (node = listhead (spftree->paths); node; node = listnextnode (node))
	isis_vertex_adj_del (listgetdata (node), adj);
	return;
	}

	void
spftree_area_init (struct isis_area *area)	spftree_area_init (struct isis_area *area)
{	{
if ((area->is_type & IS_LEVEL_1) && area->spftree[0] == NULL)	if (area->is_type & IS_LEVEL_1)
{	{
area->spftree[0] = isis_spftree_new ();	if (area->spftree[0] == NULL)
	area->spftree[0] = isis_spftree_new (area);
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
area->spftree6[0] = isis_spftree_new ();	if (area->spftree6[0] == NULL)
	area->spftree6[0] = isis_spftree_new (area);
#endif	#endif
	}

/* thread_add_timer (master, isis_run_spf_l1, area,	if (area->is_type & IS_LEVEL_2)
isis_jitter (PERIODIC_SPF_INTERVAL, 10)); */	{
}	if (area->spftree[1] == NULL)
	area->spftree[1] = isis_spftree_new (area);
if ((area->is_type & IS_LEVEL_2) && area->spftree[1] == NULL)
{
area->spftree[1] = isis_spftree_new ();
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
area->spftree6[1] = isis_spftree_new ();	if (area->spftree6[1] == NULL)
	area->spftree6[1] = isis_spftree_new (area);
#endif	#endif
/* thread_add_timer (master, isis_run_spf_l2, area,	}
isis_jitter (PERIODIC_SPF_INTERVAL, 10)); */
}

return;	return;
}	}

static struct isis_vertex *	void
isis_vertex_new (void *id, enum vertextype vtype)	spftree_area_del (struct isis_area *area)
{	{
struct isis_vertex *vertex;	if (area->is_type & IS_LEVEL_1)
	{
vertex = XCALLOC (MTYPE_ISIS_VERTEX, sizeof (struct isis_vertex));	if (area->spftree[0] != NULL)
if (vertex == NULL)
{	{
zlog_err ("isis_vertex_new Out of memory!");	isis_spftree_del (area->spftree[0]);
return NULL;	area->spftree[0] = NULL;
}	}
	#ifdef HAVE_IPV6
	if (area->spftree6[0])
	{
	isis_spftree_del (area->spftree6[0]);
	area->spftree6[0] = NULL;
	}
	#endif
	}

vertex->type = vtype;	if (area->is_type & IS_LEVEL_2)
switch (vtype)	{
	if (area->spftree[1] != NULL)
{	{
case VTYPE_ES:	isis_spftree_del (area->spftree[1]);
case VTYPE_NONPSEUDO_IS:	area->spftree[1] = NULL;
case VTYPE_NONPSEUDO_TE_IS:	}
memcpy (vertex->N.id, (u_char *) id, ISIS_SYS_ID_LEN);
break;
case VTYPE_PSEUDO_IS:
case VTYPE_PSEUDO_TE_IS:
memcpy (vertex->N.id, (u_char *) id, ISIS_SYS_ID_LEN + 1);
break;
case VTYPE_IPREACH_INTERNAL:
case VTYPE_IPREACH_EXTERNAL:
case VTYPE_IPREACH_TE:
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
case VTYPE_IP6REACH_INTERNAL:	if (area->spftree6[1] != NULL)
case VTYPE_IP6REACH_EXTERNAL:	{
#endif /* HAVE_IPV6 */	isis_spftree_del (area->spftree6[1]);
memcpy (&vertex->N.prefix, (struct prefix *) id,	area->spftree6[1] = NULL;
sizeof (struct prefix));
break;
default:
zlog_err ("WTF!");
}	}
	#endif
	}

vertex->Adj_N = list_new ();	return;
	}

return vertex;	void
	spftree_area_adj_del (struct isis_area area, struct isis_adjacency adj)
	{
	if (area->is_type & IS_LEVEL_1)
	{
	if (area->spftree[0] != NULL)
	isis_spftree_adj_del (area->spftree[0], adj);
	#ifdef HAVE_IPV6
	if (area->spftree6[0] != NULL)
	isis_spftree_adj_del (area->spftree6[0], adj);
	#endif
	}

	if (area->is_type & IS_LEVEL_2)
	{
	if (area->spftree[1] != NULL)
	isis_spftree_adj_del (area->spftree[1], adj);
	#ifdef HAVE_IPV6
	if (area->spftree6[1] != NULL)
	isis_spftree_adj_del (area->spftree6[1], adj);
	#endif
	}

	return;
}	}

	/*
	* Find the system LSP: returns the LSP in our LSP database
	* associated with the given system ID.
	*/
	static struct isis_lsp *
	isis_root_system_lsp (struct isis_area area, int level, u_char sysid)
	{
	struct isis_lsp *lsp;
	u_char lspid[ISIS_SYS_ID_LEN + 2];

	memcpy (lspid, sysid, ISIS_SYS_ID_LEN);
	LSP_PSEUDO_ID (lspid) = 0;
	LSP_FRAGMENT (lspid) = 0;
	lsp = lsp_search (lspid, area->lspdb[level - 1]);
	if (lsp && lsp->lsp_header->rem_lifetime != 0)
	return lsp;
	return NULL;
	}

/*	/*
* Add this IS to the root of SPT	* Add this IS to the root of SPT
*/	*/
static void	static struct isis_vertex *
isis_spf_add_self (struct isis_spftree spftree, struct isis_area area,	isis_spf_add_root (struct isis_spftree spftree, int level, u_char sysid)
int level)
{	{
struct isis_vertex *vertex;	struct isis_vertex *vertex;
struct isis_lsp *lsp;	struct isis_lsp *lsp;
u_char lspid[ISIS_SYS_ID_LEN + 2];
#ifdef EXTREME_DEBUG	#ifdef EXTREME_DEBUG
u_char buff[BUFSIZ];	u_char buff[BUFSIZ];
#endif /* EXTREME_DEBUG */	#endif /* EXTREME_DEBUG */
memcpy (lspid, isis->sysid, ISIS_SYS_ID_LEN);
LSP_PSEUDO_ID (lspid) = 0;
LSP_FRAGMENT (lspid) = 0;

lsp = lsp_search (lspid, area->lspdb[level - 1]);	lsp = isis_root_system_lsp (spftree->area, level, sysid);

if (lsp == NULL)	if (lsp == NULL)
zlog_warn ("ISIS-Spf: could not find own l%d LSP!", level);	zlog_warn ("ISIS-Spf: could not find own l%d LSP!", level);

if (!area->oldmetric)	if (!spftree->area->oldmetric)
vertex = isis_vertex_new (isis->sysid, VTYPE_NONPSEUDO_TE_IS);	vertex = isis_vertex_new (sysid, VTYPE_NONPSEUDO_TE_IS);
else	else
vertex = isis_vertex_new (isis->sysid, VTYPE_NONPSEUDO_IS);	vertex = isis_vertex_new (sysid, VTYPE_NONPSEUDO_IS);

vertex->lsp = lsp;

listnode_add (spftree->paths, vertex);	listnode_add (spftree->paths, vertex);

#ifdef EXTREME_DEBUG	#ifdef EXTREME_DEBUG
Line 338 isis_spf_add_self (struct isis_spftree *spftree, struc	Line 450 isis_spf_add_self (struct isis_spftree *spftree, struc
vertex->depth, vertex->d_N);	vertex->depth, vertex->d_N);
#endif /* EXTREME_DEBUG */	#endif /* EXTREME_DEBUG */

return;	return vertex;
}	}

static struct isis_vertex *	static struct isis_vertex *
Line 390 isis_find_vertex (struct list list, void id, enum ve	Line 502 isis_find_vertex (struct list list, void id, enum ve
*/	*/
static struct isis_vertex *	static struct isis_vertex *
isis_spf_add2tent (struct isis_spftree *spftree, enum vertextype vtype,	isis_spf_add2tent (struct isis_spftree *spftree, enum vertextype vtype,
void id, struct isis_adjacency adj, u_int32_t cost,	void *id, uint32_t cost, int depth, int family,
int depth, int family)	struct isis_adjacency adj, struct isis_vertex parent)
{	{
struct isis_vertex vertex, v;	struct isis_vertex vertex, v;
struct listnode *node;	struct listnode *node;
	struct isis_adjacency *parent_adj;
#ifdef EXTREME_DEBUG	#ifdef EXTREME_DEBUG
u_char buff[BUFSIZ];	u_char buff[BUFSIZ];
#endif	#endif

	assert (isis_find_vertex (spftree->paths, id, vtype) == NULL);
	assert (isis_find_vertex (spftree->tents, id, vtype) == NULL);
vertex = isis_vertex_new (id, vtype);	vertex = isis_vertex_new (id, vtype);
vertex->d_N = cost;	vertex->d_N = cost;
vertex->depth = depth;	vertex->depth = depth;

if (adj)	if (parent) {
	listnode_add (vertex->parents, parent);
	if (listnode_lookup (parent->children, vertex) == NULL)
	listnode_add (parent->children, vertex);
	}

	if (parent && parent->Adj_N && listcount(parent->Adj_N) > 0) {
	for (ALL_LIST_ELEMENTS_RO (parent->Adj_N, node, parent_adj))
	listnode_add (vertex->Adj_N, parent_adj);
	} else if (adj) {
listnode_add (vertex->Adj_N, adj);	listnode_add (vertex->Adj_N, adj);
	}

#ifdef EXTREME_DEBUG	#ifdef EXTREME_DEBUG
zlog_debug ("ISIS-Spf: add to TENT %s %s depth %d dist %d",	zlog_debug ("ISIS-Spf: add to TENT %s %s %s depth %d dist %d adjcount %d",
	print_sys_hostname (vertex->N.id),
vtype2string (vertex->type), vid2string (vertex, buff),	vtype2string (vertex->type), vid2string (vertex, buff),
vertex->depth, vertex->d_N);	vertex->depth, vertex->d_N, listcount(vertex->Adj_N));
#endif /* EXTREME_DEBUG */	#endif /* EXTREME_DEBUG */
listnode_add (spftree->tents, vertex);
if (list_isempty (spftree->tents))	if (list_isempty (spftree->tents))
{	{
listnode_add (spftree->tents, vertex);	listnode_add (spftree->tents, vertex);
return vertex;	return vertex;
}	}

/* XXX: This cant use the standard ALL_LIST_ELEMENT macro */	/* XXX: This cant use the standard ALL_LIST_ELEMENTS macro */
for (node = listhead (spftree->tents); node; node = listnextnode (node))	for (node = listhead (spftree->tents); node; node = listnextnode (node))
{	{
v = listgetdata (node);	v = listgetdata (node);
Line 426 isis_spf_add2tent (struct isis_spftree *spftree, enum	Line 553 isis_spf_add2tent (struct isis_spftree *spftree, enum
list_add_node_prev (spftree->tents, node, vertex);	list_add_node_prev (spftree->tents, node, vertex);
break;	break;
}	}
else if (v->d_N == vertex->d_N)	else if (v->d_N == vertex->d_N && v->type > vertex->type)
{	{
/* Tie break, add according to type */	/* Tie break, add according to type */
while (v && v->d_N == vertex->d_N && v->type > vertex->type)	list_add_node_prev (spftree->tents, node, vertex);
{
if (v->type > vertex->type)
{
break;
}
/* XXX: this seems dubious, node is the loop iterator */
node = listnextnode (node);
(node) ? (v = listgetdata (node)) : (v = NULL);
}
list_add_node_prev (spftree->tents, node, vertex);
break;	break;
}	}
else if (node->next == NULL)
{
list_add_node_next (spftree->tents, node, vertex);
break;
}
}	}

	if (node == NULL)
	listnode_add (spftree->tents, vertex);

return vertex;	return vertex;
}	}

static struct isis_vertex *	static void
isis_spf_add_local (struct isis_spftree *spftree, enum vertextype vtype,	isis_spf_add_local (struct isis_spftree *spftree, enum vertextype vtype,
void id, struct isis_adjacency adj, u_int32_t cost,	void id, struct isis_adjacency adj, uint32_t cost,
int family)	int family, struct isis_vertex *parent)
{	{
struct isis_vertex *vertex;	struct isis_vertex *vertex;

Line 470 isis_spf_add_local (struct isis_spftree *spftree, enum	Line 586 isis_spf_add_local (struct isis_spftree *spftree, enum
/* d) */	/* d) */
if (listcount (vertex->Adj_N) > ISIS_MAX_PATH_SPLITS)	if (listcount (vertex->Adj_N) > ISIS_MAX_PATH_SPLITS)
remove_excess_adjs (vertex->Adj_N);	remove_excess_adjs (vertex->Adj_N);
	if (parent && (listnode_lookup (vertex->parents, parent) == NULL))
	listnode_add (vertex->parents, parent);
	if (parent && (listnode_lookup (parent->children, vertex) == NULL))
	listnode_add (parent->children, vertex);
	return;
}	}
/* f) */	else if (vertex->d_N < cost)
else if (vertex->d_N > cost)
{	{
listnode_delete (spftree->tents, vertex);	/* e) do nothing */
goto add2tent;	return;
}	}
/* e) do nothing */	else { /* vertex->d_N > cost */
return vertex;	/* f) */
	struct listnode pnode, pnextnode;
	struct isis_vertex *pvertex;
	listnode_delete (spftree->tents, vertex);
	assert (listcount (vertex->children) == 0);
	for (ALL_LIST_ELEMENTS (vertex->parents, pnode, pnextnode, pvertex))
	listnode_delete(pvertex->children, vertex);
	isis_vertex_del (vertex);
	}
}	}

add2tent:	isis_spf_add2tent (spftree, vtype, id, cost, 1, family, adj, parent);
return isis_spf_add2tent (spftree, vtype, id, adj, cost, 1, family);	return;
}	}

static void	static void
process_N (struct isis_spftree spftree, enum vertextype vtype, void id,	process_N (struct isis_spftree spftree, enum vertextype vtype, void id,
u_int16_t dist, u_int16_t depth, struct isis_adjacency *adj,	uint32_t dist, uint16_t depth, int family,
int family)	struct isis_vertex *parent)
{	{
struct isis_vertex *vertex;	struct isis_vertex *vertex;
#ifdef EXTREME_DEBUG	#ifdef EXTREME_DEBUG
u_char buff[255];	u_char buff[255];
#endif	#endif

	assert (spftree && parent);

	/* RFC3787 section 5.1 */
	if (spftree->area->newmetric == 1)
	{
	if (dist > MAX_WIDE_PATH_METRIC)
	return;
	}
/* C.2.6 b) */	/* C.2.6 b) */
if (dist > MAX_PATH_METRIC)	else if (spftree->area->oldmetric == 1)
return;	{
	if (dist > MAX_NARROW_PATH_METRIC)
	return;
	}

/* c) */	/* c) */
vertex = isis_find_vertex (spftree->paths, id, vtype);	vertex = isis_find_vertex (spftree->paths, id, vtype);
if (vertex)	if (vertex)
{	{
#ifdef EXTREME_DEBUG	#ifdef EXTREME_DEBUG
zlog_debug ("ISIS-Spf: process_N %s %s dist %d already found from PATH",	zlog_debug ("ISIS-Spf: process_N %s %s %s dist %d already found from PATH",
	print_sys_hostname (vertex->N.id),
vtype2string (vtype), vid2string (vertex, buff), dist);	vtype2string (vtype), vid2string (vertex, buff), dist);
#endif /* EXTREME_DEBUG */	#endif /* EXTREME_DEBUG */
assert (dist >= vertex->d_N);	assert (dist >= vertex->d_N);
Line 516 process_N (struct isis_spftree *spftree, enum vertexty	Line 657 process_N (struct isis_spftree *spftree, enum vertexty
{	{
/* 1) */	/* 1) */
#ifdef EXTREME_DEBUG	#ifdef EXTREME_DEBUG
zlog_debug ("ISIS-Spf: process_N %s %s dist %d",	zlog_debug ("ISIS-Spf: process_N %s %s %s dist %d parent %s adjcount %d",
vtype2string (vtype), vid2string (vertex, buff), dist);	print_sys_hostname (vertex->N.id),
	vtype2string (vtype), vid2string (vertex, buff), dist,
	(parent ? print_sys_hostname (parent->N.id) : "null"),
	(parent ? listcount (parent->Adj_N) : 0));
#endif /* EXTREME_DEBUG */	#endif /* EXTREME_DEBUG */
if (vertex->d_N == dist)	if (vertex->d_N == dist)
{	{
if (adj)	struct listnode *node;
listnode_add (vertex->Adj_N, adj);	struct isis_adjacency *parent_adj;
	for (ALL_LIST_ELEMENTS_RO (parent->Adj_N, node, parent_adj))
	if (listnode_lookup(vertex->Adj_N, parent_adj) == NULL)
	listnode_add (vertex->Adj_N, parent_adj);
/* 2) */	/* 2) */
if (listcount (vertex->Adj_N) > ISIS_MAX_PATH_SPLITS)	if (listcount (vertex->Adj_N) > ISIS_MAX_PATH_SPLITS)
remove_excess_adjs (vertex->Adj_N);	remove_excess_adjs (vertex->Adj_N);
	if (listnode_lookup (vertex->parents, parent) == NULL)
	listnode_add (vertex->parents, parent);
	if (listnode_lookup (parent->children, vertex) == NULL)
	listnode_add (parent->children, vertex);
/* 3) */	/* 3) */
return;	return;
}	}
Line 536 process_N (struct isis_spftree *spftree, enum vertexty	Line 687 process_N (struct isis_spftree *spftree, enum vertexty
}	}
else	else
{	{
	struct listnode pnode, pnextnode;
	struct isis_vertex *pvertex;
listnode_delete (spftree->tents, vertex);	listnode_delete (spftree->tents, vertex);
	assert (listcount (vertex->children) == 0);
	for (ALL_LIST_ELEMENTS (vertex->parents, pnode, pnextnode, pvertex))
	listnode_delete(pvertex->children, vertex);
	isis_vertex_del (vertex);
}	}
}	}

isis_spf_add2tent (spftree, vtype, id, adj, dist, depth, family);	#ifdef EXTREME_DEBUG
	zlog_debug ("ISIS-Spf: process_N add2tent %s %s dist %d parent %s",
	print_sys_hostname(id), vtype2string (vtype), dist,
	(parent ? print_sys_hostname (parent->N.id) : "null"));
	#endif /* EXTREME_DEBUG */

	isis_spf_add2tent (spftree, vtype, id, dist, depth, family, NULL, parent);
return;	return;
}	}

Line 549 process_N (struct isis_spftree *spftree, enum vertexty	Line 712 process_N (struct isis_spftree *spftree, enum vertexty
*/	*/
static int	static int
isis_spf_process_lsp (struct isis_spftree spftree, struct isis_lsp lsp,	isis_spf_process_lsp (struct isis_spftree spftree, struct isis_lsp lsp,
uint32_t cost, uint16_t depth, int family)	uint32_t cost, uint16_t depth, int family,
	u_char root_sysid, struct isis_vertex parent)
{	{
struct listnode node, fragnode = NULL;	struct listnode node, fragnode = NULL;
u_int16_t dist;	uint32_t dist;
struct is_neigh *is_neigh;	struct is_neigh *is_neigh;
struct te_is_neigh *te_is_neigh;	struct te_is_neigh *te_is_neigh;
struct ipv4_reachability *ipreach;	struct ipv4_reachability *ipreach;
Line 562 isis_spf_process_lsp (struct isis_spftree *spftree, st	Line 726 isis_spf_process_lsp (struct isis_spftree *spftree, st
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
struct ipv6_reachability *ip6reach;	struct ipv6_reachability *ip6reach;
#endif /* HAVE_IPV6 */	#endif /* HAVE_IPV6 */
	static const u_char null_sysid[ISIS_SYS_ID_LEN];

	if (!speaks (lsp->tlv_data.nlpids, family))
if (!lsp->adj)
return ISIS_WARNING;
if (lsp->tlv_data.nlpids == NULL \|\| !speaks (lsp->tlv_data.nlpids, family))
return ISIS_OK;	return ISIS_OK;

lspfragloop:	lspfragloop:
if (lsp->lsp_header->seq_num == 0)	if (lsp->lsp_header->seq_num == 0)
{	{
zlog_warn ("isis_spf_process_lsp(): lsp with 0 seq_num"	zlog_warn ("isis_spf_process_lsp(): lsp with 0 seq_num - ignore");
" - do not process");
return ISIS_WARNING;	return ISIS_WARNING;
}	}

	#ifdef EXTREME_DEBUG
	zlog_debug ("ISIS-Spf: process_lsp %s", print_sys_hostname(lsp->lsp_header->lsp_id));
	#endif /* EXTREME_DEBUG */

if (!ISIS_MASK_LSP_OL_BIT (lsp->lsp_header->lsp_bits))	if (!ISIS_MASK_LSP_OL_BIT (lsp->lsp_header->lsp_bits))
	{
	if (lsp->tlv_data.is_neighs)
{	{
if (lsp->tlv_data.is_neighs)	for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.is_neighs, node, is_neigh))
{	{
for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.is_neighs, node, is_neigh))	/* C.2.6 a) */
{	/* Two way connectivity */
/* C.2.6 a) */	if (!memcmp (is_neigh->neigh_id, root_sysid, ISIS_SYS_ID_LEN))
/* Two way connectivity */	continue;
if (!memcmp (is_neigh->neigh_id, isis->sysid, ISIS_SYS_ID_LEN))	if (!memcmp (is_neigh->neigh_id, null_sysid, ISIS_SYS_ID_LEN))
continue;	continue;
dist = cost + is_neigh->metrics.metric_default;	dist = cost + is_neigh->metrics.metric_default;
vtype = LSP_PSEUDO_ID (is_neigh->neigh_id) ? VTYPE_PSEUDO_IS	vtype = LSP_PSEUDO_ID (is_neigh->neigh_id) ? VTYPE_PSEUDO_IS
: VTYPE_NONPSEUDO_IS;	: VTYPE_NONPSEUDO_IS;
process_N (spftree, vtype, (void *) is_neigh->neigh_id, dist,	process_N (spftree, vtype, (void *) is_neigh->neigh_id, dist,
depth + 1, lsp->adj, family);	depth + 1, family, parent);
}	}
}	}
if (lsp->tlv_data.te_is_neighs)	if (lsp->tlv_data.te_is_neighs)
{	{
for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.te_is_neighs, node,	for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.te_is_neighs, node,
te_is_neigh))	te_is_neigh))
{	{
uint32_t metric;	if (!memcmp (te_is_neigh->neigh_id, root_sysid, ISIS_SYS_ID_LEN))
if (!memcmp (te_is_neigh->neigh_id, isis->sysid, ISIS_SYS_ID_LEN))	continue;
continue;	if (!memcmp (te_is_neigh->neigh_id, null_sysid, ISIS_SYS_ID_LEN))
memcpy (&metric, te_is_neigh->te_metric, 3);	continue;
dist = cost + ntohl (metric << 8);	dist = cost + GET_TE_METRIC(te_is_neigh);
vtype = LSP_PSEUDO_ID (te_is_neigh->neigh_id) ? VTYPE_PSEUDO_TE_IS	vtype = LSP_PSEUDO_ID (te_is_neigh->neigh_id) ? VTYPE_PSEUDO_TE_IS
: VTYPE_NONPSEUDO_TE_IS;	: VTYPE_NONPSEUDO_TE_IS;
process_N (spftree, vtype, (void *) te_is_neigh->neigh_id, dist,	process_N (spftree, vtype, (void *) te_is_neigh->neigh_id, dist,
depth + 1, lsp->adj, family);	depth + 1, family, parent);
}	}
}	}
if (family == AF_INET && lsp->tlv_data.ipv4_int_reachs)	}
{
prefix.family = AF_INET;
for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.ipv4_int_reachs,
node, ipreach))
{
dist = cost + ipreach->metrics.metric_default;
vtype = VTYPE_IPREACH_INTERNAL;
prefix.u.prefix4 = ipreach->prefix;
prefix.prefixlen = ip_masklen (ipreach->mask);
process_N (spftree, vtype, (void *) &prefix, dist, depth + 1,
lsp->adj, family);
}
}

if (family == AF_INET && lsp->tlv_data.ipv4_ext_reachs)	if (family == AF_INET && lsp->tlv_data.ipv4_int_reachs)
{	{
prefix.family = AF_INET;	prefix.family = AF_INET;
for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.ipv4_ext_reachs,	for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.ipv4_int_reachs, node, ipreach))
node, ipreach))	{
{	dist = cost + ipreach->metrics.metric_default;
dist = cost + ipreach->metrics.metric_default;	vtype = VTYPE_IPREACH_INTERNAL;
vtype = VTYPE_IPREACH_EXTERNAL;	prefix.u.prefix4 = ipreach->prefix;
prefix.u.prefix4 = ipreach->prefix;	prefix.prefixlen = ip_masklen (ipreach->mask);
prefix.prefixlen = ip_masklen (ipreach->mask);	apply_mask (&prefix);
process_N (spftree, vtype, (void *) &prefix, dist, depth + 1,	process_N (spftree, vtype, (void *) &prefix, dist, depth + 1,
lsp->adj, family);	family, parent);
}	}
}	}
if (family == AF_INET && lsp->tlv_data.te_ipv4_reachs)	if (family == AF_INET && lsp->tlv_data.ipv4_ext_reachs)
{	{
prefix.family = AF_INET;	prefix.family = AF_INET;
for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.te_ipv4_reachs,	for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.ipv4_ext_reachs, node, ipreach))
node, te_ipv4_reach))	{
{	dist = cost + ipreach->metrics.metric_default;
dist = cost + ntohl (te_ipv4_reach->te_metric);	vtype = VTYPE_IPREACH_EXTERNAL;
vtype = VTYPE_IPREACH_TE;	prefix.u.prefix4 = ipreach->prefix;
prefix.u.prefix4 = newprefix2inaddr (&te_ipv4_reach->prefix_start,	prefix.prefixlen = ip_masklen (ipreach->mask);
te_ipv4_reach->control);	apply_mask (&prefix);
prefix.prefixlen = (te_ipv4_reach->control & 0x3F);	process_N (spftree, vtype, (void *) &prefix, dist, depth + 1,
process_N (spftree, vtype, (void *) &prefix, dist, depth + 1,	family, parent);
lsp->adj, family);	}
}	}
}	if (family == AF_INET && lsp->tlv_data.te_ipv4_reachs)
	{
	prefix.family = AF_INET;
	for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.te_ipv4_reachs,
	node, te_ipv4_reach))
	{
	assert ((te_ipv4_reach->control & 0x3F) <= IPV4_MAX_BITLEN);

	dist = cost + ntohl (te_ipv4_reach->te_metric);
	vtype = VTYPE_IPREACH_TE;
	prefix.u.prefix4 = newprefix2inaddr (&te_ipv4_reach->prefix_start,
	te_ipv4_reach->control);
	prefix.prefixlen = (te_ipv4_reach->control & 0x3F);
	apply_mask (&prefix);
	process_N (spftree, vtype, (void *) &prefix, dist, depth + 1,
	family, parent);
	}
	}
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
if (family == AF_INET6 && lsp->tlv_data.ipv6_reachs)	if (family == AF_INET6 && lsp->tlv_data.ipv6_reachs)
{	{
prefix.family = AF_INET6;	prefix.family = AF_INET6;
for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.ipv6_reachs,	for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.ipv6_reachs, node, ip6reach))
node, ip6reach))	{
{	assert (ip6reach->prefix_len <= IPV6_MAX_BITLEN);
dist = cost + ip6reach->metric;
vtype = (ip6reach->control_info & CTRL_INFO_DISTRIBUTION) ?	dist = cost + ntohl(ip6reach->metric);
VTYPE_IP6REACH_EXTERNAL : VTYPE_IP6REACH_INTERNAL;	vtype = (ip6reach->control_info & CTRL_INFO_DISTRIBUTION) ?
prefix.prefixlen = ip6reach->prefix_len;	VTYPE_IP6REACH_EXTERNAL : VTYPE_IP6REACH_INTERNAL;
memcpy (&prefix.u.prefix6.s6_addr, ip6reach->prefix,	prefix.prefixlen = ip6reach->prefix_len;
PSIZE (ip6reach->prefix_len));	memcpy (&prefix.u.prefix6.s6_addr, ip6reach->prefix,
process_N (spftree, vtype, (void *) &prefix, dist, depth + 1,	PSIZE (ip6reach->prefix_len));
lsp->adj, family);	apply_mask (&prefix);
}	process_N (spftree, vtype, (void *) &prefix, dist, depth + 1,
}	family, parent);
#endif /* HAVE_IPV6 */
}	}
	}
	#endif /* HAVE_IPV6 */

if (fragnode == NULL)	if (fragnode == NULL)
fragnode = listhead (lsp->lspu.frags);	fragnode = listhead (lsp->lspu.frags);
Line 690 lspfragloop:	Line 862 lspfragloop:

static int	static int
isis_spf_process_pseudo_lsp (struct isis_spftree *spftree,	isis_spf_process_pseudo_lsp (struct isis_spftree *spftree,
struct isis_lsp *lsp, uint16_t cost,	struct isis_lsp *lsp, uint32_t cost,
uint16_t depth, int family)	uint16_t depth, int family,
	u_char *root_sysid,
	struct isis_vertex *parent)
{	{
struct listnode node, fragnode = NULL;	struct listnode node, fragnode = NULL;
struct is_neigh *is_neigh;	struct is_neigh *is_neigh;
struct te_is_neigh *te_is_neigh;	struct te_is_neigh *te_is_neigh;
enum vertextype vtype;	enum vertextype vtype;
	uint32_t dist;

pseudofragloop:	pseudofragloop:

Line 707 pseudofragloop:	Line 882 pseudofragloop:
return ISIS_WARNING;	return ISIS_WARNING;
}	}

	#ifdef EXTREME_DEBUG
	zlog_debug ("ISIS-Spf: process_pseudo_lsp %s",
	print_sys_hostname(lsp->lsp_header->lsp_id));
	#endif /* EXTREME_DEBUG */

	/* RFC3787 section 4 SHOULD ignore overload bit in pseudo LSPs */

if (lsp->tlv_data.is_neighs)	if (lsp->tlv_data.is_neighs)
for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.is_neighs, node, is_neigh))	for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.is_neighs, node, is_neigh))
{	{
vtype = LSP_PSEUDO_ID (is_neigh->neigh_id) ? VTYPE_PSEUDO_IS
: VTYPE_NONPSEUDO_IS;
/* Two way connectivity */	/* Two way connectivity */
if (!memcmp (is_neigh->neigh_id, isis->sysid, ISIS_SYS_ID_LEN))	if (!memcmp (is_neigh->neigh_id, root_sysid, ISIS_SYS_ID_LEN))
continue;	continue;
if (isis_find_vertex	dist = cost + is_neigh->metrics.metric_default;
(spftree->tents, (void *) is_neigh->neigh_id, vtype) == NULL	vtype = LSP_PSEUDO_ID (is_neigh->neigh_id) ? VTYPE_PSEUDO_IS
&& isis_find_vertex (spftree->paths, (void *) is_neigh->neigh_id,	: VTYPE_NONPSEUDO_IS;
vtype) == NULL)	process_N (spftree, vtype, (void *) is_neigh->neigh_id, dist,
{	depth + 1, family, parent);
/* C.2.5 i) */
isis_spf_add2tent (spftree, vtype, is_neigh->neigh_id, lsp->adj,
cost, depth, family);
}
}	}
if (lsp->tlv_data.te_is_neighs)	if (lsp->tlv_data.te_is_neighs)
for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.te_is_neighs, node, te_is_neigh))	for (ALL_LIST_ELEMENTS_RO (lsp->tlv_data.te_is_neighs, node, te_is_neigh))
{	{
vtype = LSP_PSEUDO_ID (te_is_neigh->neigh_id) ? VTYPE_PSEUDO_TE_IS
: VTYPE_NONPSEUDO_TE_IS;
/* Two way connectivity */	/* Two way connectivity */
if (!memcmp (te_is_neigh->neigh_id, isis->sysid, ISIS_SYS_ID_LEN))	if (!memcmp (te_is_neigh->neigh_id, root_sysid, ISIS_SYS_ID_LEN))
continue;	continue;
if (isis_find_vertex	dist = cost + GET_TE_METRIC(te_is_neigh);
(spftree->tents, (void *) te_is_neigh->neigh_id, vtype) == NULL	vtype = LSP_PSEUDO_ID (te_is_neigh->neigh_id) ? VTYPE_PSEUDO_TE_IS
&& isis_find_vertex (spftree->paths, (void *) te_is_neigh->neigh_id,	: VTYPE_NONPSEUDO_TE_IS;
vtype) == NULL)	process_N (spftree, vtype, (void *) te_is_neigh->neigh_id, dist,
{	depth + 1, family, parent);
/* C.2.5 i) */
isis_spf_add2tent (spftree, vtype, te_is_neigh->neigh_id, lsp->adj,
cost, depth, family);
}
}	}

if (fragnode == NULL)	if (fragnode == NULL)
Line 759 pseudofragloop:	Line 929 pseudofragloop:
}	}

static int	static int
isis_spf_preload_tent (struct isis_spftree *spftree,	isis_spf_preload_tent (struct isis_spftree *spftree, int level,
struct isis_area *area, int level, int family)	int family, u_char *root_sysid,
	struct isis_vertex *parent)
{	{
struct isis_vertex *vertex;
struct isis_circuit *circuit;	struct isis_circuit *circuit;
struct listnode cnode, anode, *ipnode;	struct listnode cnode, anode, *ipnode;
struct isis_adjacency *adj;	struct isis_adjacency *adj;
Line 773 isis_spf_preload_tent (struct isis_spftree *spftree,	Line 943 isis_spf_preload_tent (struct isis_spftree *spftree,
struct prefix prefix;	struct prefix prefix;
int retval = ISIS_OK;	int retval = ISIS_OK;
u_char lsp_id[ISIS_SYS_ID_LEN + 2];	u_char lsp_id[ISIS_SYS_ID_LEN + 2];
	static u_char null_lsp_id[ISIS_SYS_ID_LEN + 2];
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
struct prefix_ipv6 *ipv6;	struct prefix_ipv6 *ipv6;
#endif /* HAVE_IPV6 */	#endif /* HAVE_IPV6 */

for (ALL_LIST_ELEMENTS_RO (area->circuit_list, cnode, circuit))	for (ALL_LIST_ELEMENTS_RO (spftree->area->circuit_list, cnode, circuit))
{	{
if (circuit->state != C_STATE_UP)	if (circuit->state != C_STATE_UP)
continue;	continue;
if (!(circuit->circuit_is_type & level))	if (!(circuit->is_type & level))
continue;	continue;
if (family == AF_INET && !circuit->ip_router)	if (family == AF_INET && !circuit->ip_router)
continue;	continue;
Line 799 isis_spf_preload_tent (struct isis_spftree *spftree,	Line 970 isis_spf_preload_tent (struct isis_spftree *spftree,
{	{
prefix.u.prefix4 = ipv4->prefix;	prefix.u.prefix4 = ipv4->prefix;
prefix.prefixlen = ipv4->prefixlen;	prefix.prefixlen = ipv4->prefixlen;
	apply_mask (&prefix);
isis_spf_add_local (spftree, VTYPE_IPREACH_INTERNAL, &prefix,	isis_spf_add_local (spftree, VTYPE_IPREACH_INTERNAL, &prefix,
NULL, 0, family);	NULL, 0, family, parent);
}	}
}	}
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
Line 811 isis_spf_preload_tent (struct isis_spftree *spftree,	Line 983 isis_spf_preload_tent (struct isis_spftree *spftree,
{	{
prefix.prefixlen = ipv6->prefixlen;	prefix.prefixlen = ipv6->prefixlen;
prefix.u.prefix6 = ipv6->prefix;	prefix.u.prefix6 = ipv6->prefix;
	apply_mask (&prefix);
isis_spf_add_local (spftree, VTYPE_IP6REACH_INTERNAL,	isis_spf_add_local (spftree, VTYPE_IP6REACH_INTERNAL,
&prefix, NULL, 0, family);	&prefix, NULL, 0, family, parent);
}	}
}	}
#endif /* HAVE_IPV6 */	#endif /* HAVE_IPV6 */
Line 832 isis_spf_preload_tent (struct isis_spftree *spftree,	Line 1005 isis_spf_preload_tent (struct isis_spftree *spftree,
level, circuit->interface->name);	level, circuit->interface->name);
continue;	continue;
}	}
anode = listhead (adj_list);	for (ALL_LIST_ELEMENTS_RO (adj_list, anode, adj))
while (anode)
{	{
adj = listgetdata (anode);
if (!speaks (&adj->nlpids, family))	if (!speaks (&adj->nlpids, family))
{
anode = listnextnode (anode);
continue;	continue;
}
switch (adj->sys_type)	switch (adj->sys_type)
{	{
case ISIS_SYSTYPE_ES:	case ISIS_SYSTYPE_ES:
isis_spf_add_local (spftree, VTYPE_ES, adj->sysid, adj,	isis_spf_add_local (spftree, VTYPE_ES, adj->sysid, adj,
circuit->te_metric[level - 1], family);	circuit->te_metric[level - 1],
	family, parent);
break;	break;
case ISIS_SYSTYPE_IS:	case ISIS_SYSTYPE_IS:
case ISIS_SYSTYPE_L1_IS:	case ISIS_SYSTYPE_L1_IS:
case ISIS_SYSTYPE_L2_IS:	case ISIS_SYSTYPE_L2_IS:
vertex =	isis_spf_add_local (spftree,
isis_spf_add_local (spftree, VTYPE_NONPSEUDO_IS,	spftree->area->oldmetric ?
adj->sysid, adj,	VTYPE_NONPSEUDO_IS :
circuit->te_metric[level - 1], family);	VTYPE_NONPSEUDO_TE_IS,
	adj->sysid, adj,
	circuit->te_metric[level - 1],
	family, parent);
memcpy (lsp_id, adj->sysid, ISIS_SYS_ID_LEN);	memcpy (lsp_id, adj->sysid, ISIS_SYS_ID_LEN);
LSP_PSEUDO_ID (lsp_id) = 0;	LSP_PSEUDO_ID (lsp_id) = 0;
LSP_FRAGMENT (lsp_id) = 0;	LSP_FRAGMENT (lsp_id) = 0;
lsp = lsp_search (lsp_id, area->lspdb[level - 1]);	lsp = lsp_search (lsp_id, spftree->area->lspdb[level - 1]);
if (!lsp)	if (lsp == NULL \|\| lsp->lsp_header->rem_lifetime == 0)
zlog_warn ("No lsp found for IS adjacency");	zlog_warn ("ISIS-Spf: No LSP %s found for IS adjacency "
/* else {	"L%d on %s (ID %u)",
isis_spf_process_lsp (spftree, lsp, vertex->d_N, 1, family);	rawlspid_print (lsp_id), level,
} */	circuit->interface->name, circuit->circuit_id);
break;	break;
case ISIS_SYSTYPE_UNKNOWN:	case ISIS_SYSTYPE_UNKNOWN:
default:	default:
zlog_warn ("isis_spf_preload_tent unknow adj type");	zlog_warn ("isis_spf_preload_tent unknow adj type");
}	}
anode = listnextnode (anode);
}	}
list_delete (adj_list);	list_delete (adj_list);
/*	/*
Line 878 isis_spf_preload_tent (struct isis_spftree *spftree,	Line 1049 isis_spf_preload_tent (struct isis_spftree *spftree,
memcpy (lsp_id, circuit->u.bc.l1_desig_is, ISIS_SYS_ID_LEN + 1);	memcpy (lsp_id, circuit->u.bc.l1_desig_is, ISIS_SYS_ID_LEN + 1);
else	else
memcpy (lsp_id, circuit->u.bc.l2_desig_is, ISIS_SYS_ID_LEN + 1);	memcpy (lsp_id, circuit->u.bc.l2_desig_is, ISIS_SYS_ID_LEN + 1);
lsp = lsp_search (lsp_id, area->lspdb[level - 1]);	/* can happen during DR reboot */
	if (memcmp (lsp_id, null_lsp_id, ISIS_SYS_ID_LEN + 1) == 0)
	{
	if (isis->debugs & DEBUG_SPF_EVENTS)
	zlog_debug ("ISIS-Spf: No L%d DR on %s (ID %d)",
	level, circuit->interface->name, circuit->circuit_id);
	continue;
	}
adj = isis_adj_lookup (lsp_id, adjdb);	adj = isis_adj_lookup (lsp_id, adjdb);
/* if no adj, we are the dis or error */	/* if no adj, we are the dis or error */
if (!adj && !circuit->u.bc.is_dr[level - 1])	if (!adj && !circuit->u.bc.is_dr[level - 1])
{	{
zlog_warn ("ISIS-Spf: No adjacency found for DR");	zlog_warn ("ISIS-Spf: No adjacency found from root "
	"to L%d DR %s on %s (ID %d)",
	level, rawlspid_print (lsp_id),
	circuit->interface->name, circuit->circuit_id);
	continue;
}	}
	lsp = lsp_search (lsp_id, spftree->area->lspdb[level - 1]);
if (lsp == NULL \|\| lsp->lsp_header->rem_lifetime == 0)	if (lsp == NULL \|\| lsp->lsp_header->rem_lifetime == 0)
{	{
zlog_warn ("ISIS-Spf: No lsp found for DR");	zlog_warn ("ISIS-Spf: No lsp (%p) found from root "
	"to L%d DR %s on %s (ID %d)",
	lsp, level, rawlspid_print (lsp_id),
	circuit->interface->name, circuit->circuit_id);
	continue;
}	}
else	isis_spf_process_pseudo_lsp (spftree, lsp,
{	circuit->te_metric[level - 1], 0,
isis_spf_process_pseudo_lsp (spftree, lsp,	family, root_sysid, parent);
circuit->te_metric[level - 1], 0, family);

}
}	}
else if (circuit->circ_type == CIRCUIT_T_P2P)	else if (circuit->circ_type == CIRCUIT_T_P2P)
{	{
Line 905 isis_spf_preload_tent (struct isis_spftree *spftree,	Line 1089 isis_spf_preload_tent (struct isis_spftree *spftree,
{	{
case ISIS_SYSTYPE_ES:	case ISIS_SYSTYPE_ES:
isis_spf_add_local (spftree, VTYPE_ES, adj->sysid, adj,	isis_spf_add_local (spftree, VTYPE_ES, adj->sysid, adj,
circuit->te_metric[level - 1], family);	circuit->te_metric[level - 1], family,
	parent);
break;	break;
case ISIS_SYSTYPE_IS:	case ISIS_SYSTYPE_IS:
case ISIS_SYSTYPE_L1_IS:	case ISIS_SYSTYPE_L1_IS:
case ISIS_SYSTYPE_L2_IS:	case ISIS_SYSTYPE_L2_IS:
if (speaks (&adj->nlpids, family))	if (speaks (&adj->nlpids, family))
isis_spf_add_local (spftree, VTYPE_NONPSEUDO_IS, adj->sysid,	isis_spf_add_local (spftree,
	spftree->area->oldmetric ?
	VTYPE_NONPSEUDO_IS :
	VTYPE_NONPSEUDO_TE_IS,
	adj->sysid,
adj, circuit->te_metric[level - 1],	adj, circuit->te_metric[level - 1],
family);	family, parent);
break;	break;
case ISIS_SYSTYPE_UNKNOWN:	case ISIS_SYSTYPE_UNKNOWN:
default:	default:
zlog_warn ("isis_spf_preload_tent unknow adj type");	zlog_warn ("isis_spf_preload_tent unknown adj type");
break;	break;
}	}
}	}
	else if (circuit->circ_type == CIRCUIT_T_LOOPBACK)
	{
	continue;
	}
else	else
{	{
zlog_warn ("isis_spf_preload_tent unsupported media");	zlog_warn ("isis_spf_preload_tent unsupported media");
retval = ISIS_WARNING;	retval = ISIS_WARNING;
}	}

}	}

return retval;	return retval;
Line 938 isis_spf_preload_tent (struct isis_spftree *spftree,	Line 1130 isis_spf_preload_tent (struct isis_spftree *spftree,
*/	*/
static void	static void
add_to_paths (struct isis_spftree spftree, struct isis_vertex vertex,	add_to_paths (struct isis_spftree spftree, struct isis_vertex vertex,
struct isis_area *area, int level)	int level)
{	{
#ifdef EXTREME_DEBUG
u_char buff[BUFSIZ];	u_char buff[BUFSIZ];
#endif /* EXTREME_DEBUG */
	if (isis_find_vertex (spftree->paths, vertex->N.id, vertex->type))
	return;
listnode_add (spftree->paths, vertex);	listnode_add (spftree->paths, vertex);

#ifdef EXTREME_DEBUG	#ifdef EXTREME_DEBUG
zlog_debug ("ISIS-Spf: added %s %s depth %d dist %d to PATHS",	zlog_debug ("ISIS-Spf: added %s %s %s depth %d dist %d to PATHS",
	print_sys_hostname (vertex->N.id),
vtype2string (vertex->type), vid2string (vertex, buff),	vtype2string (vertex->type), vid2string (vertex, buff),
vertex->depth, vertex->d_N);	vertex->depth, vertex->d_N);
#endif /* EXTREME_DEBUG */	#endif /* EXTREME_DEBUG */

if (vertex->type > VTYPE_ES)	if (vertex->type > VTYPE_ES)
{	{
if (listcount (vertex->Adj_N) > 0)	if (listcount (vertex->Adj_N) > 0)
isis_route_create ((struct prefix *) &vertex->N.prefix, vertex->d_N,	isis_route_create ((struct prefix *) &vertex->N.prefix, vertex->d_N,
vertex->depth, vertex->Adj_N, area, level);	vertex->depth, vertex->Adj_N, spftree->area, level);
else if (isis->debugs & DEBUG_SPF_EVENTS)	else if (isis->debugs & DEBUG_SPF_EVENTS)
zlog_debug ("ISIS-Spf: no adjacencies do not install route");	zlog_debug ("ISIS-Spf: no adjacencies do not install route for "
	"%s depth %d dist %d", vid2string (vertex, buff),
	vertex->depth, vertex->d_N);
}	}

return;	return;
Line 969 init_spt (struct isis_spftree *spftree)	Line 1166 init_spt (struct isis_spftree *spftree)
list_delete_all_node (spftree->tents);	list_delete_all_node (spftree->tents);
list_delete_all_node (spftree->paths);	list_delete_all_node (spftree->paths);
spftree->tents->del = spftree->paths->del = NULL;	spftree->tents->del = spftree->paths->del = NULL;

return;	return;
}	}

static int	static int
isis_run_spf (struct isis_area *area, int level, int family)	isis_run_spf (struct isis_area area, int level, int family, u_char sysid)
{	{
int retval = ISIS_OK;	int retval = ISIS_OK;
struct listnode *node;	struct listnode *node;
struct isis_vertex *vertex;	struct isis_vertex *vertex;
	struct isis_vertex *root_vertex;
struct isis_spftree *spftree = NULL;	struct isis_spftree *spftree = NULL;
u_char lsp_id[ISIS_SYS_ID_LEN + 2];	u_char lsp_id[ISIS_SYS_ID_LEN + 2];
struct isis_lsp *lsp;	struct isis_lsp *lsp;
struct route_table *table = NULL;	struct route_table *table = NULL;
struct route_node *rode;	struct timeval time_now;
struct isis_route_info *rinfo;	unsigned long long start_time, end_time;

	/* Get time that can't roll backwards. */
	quagga_gettime(QUAGGA_CLK_MONOTONIC, &time_now);
	start_time = time_now.tv_sec;
	start_time = (start_time * 1000000) + time_now.tv_usec;

if (family == AF_INET)	if (family == AF_INET)
spftree = area->spftree[level - 1];	spftree = area->spftree[level - 1];
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
else if (family == AF_INET6)	else if (family == AF_INET6)
spftree = area->spftree6[level - 1];	spftree = area->spftree6[level - 1];
#endif	#endif

assert (spftree);	assert (spftree);
	assert (sysid);

/* Make all routes in current route table inactive. */	/* Make all routes in current route table inactive. */
if (family == AF_INET)	if (family == AF_INET)
Line 1003 isis_run_spf (struct isis_area *area, int level, int f	Line 1205 isis_run_spf (struct isis_area *area, int level, int f
table = area->route_table6[level - 1];	table = area->route_table6[level - 1];
#endif	#endif

for (rode = route_top (table); rode; rode = route_next (rode))	isis_route_invalidate_table (area, table);
{
if (rode->info == NULL)
continue;
rinfo = rode->info;

UNSET_FLAG (rinfo->flag, ISIS_ROUTE_FLAG_ACTIVE);
}

/*	/*
* C.2.5 Step 0	* C.2.5 Step 0
*/	*/
init_spt (spftree);	init_spt (spftree);
/* a) */	/* a) */
isis_spf_add_self (spftree, area, level);	root_vertex = isis_spf_add_root (spftree, level, sysid);
/* b) */	/* b) */
retval = isis_spf_preload_tent (spftree, area, level, family);	retval = isis_spf_preload_tent (spftree, level, family, sysid, root_vertex);
	if (retval != ISIS_OK)
	{
	zlog_warn ("ISIS-Spf: failed to load TENT SPF-root:%s", print_sys_hostname(sysid));
	goto out;
	}

/*	/*
* C.2.7 Step 2	* C.2.7 Step 2
*/	*/
if (listcount (spftree->tents) == 0)	if (listcount (spftree->tents) == 0)
{	{
zlog_warn ("ISIS-Spf: TENT is empty");	zlog_warn ("ISIS-Spf: TENT is empty SPF-root:%s", print_sys_hostname(sysid));
goto out;	goto out;
}	}

Line 1034 isis_run_spf (struct isis_area *area, int level, int f	Line 1234 isis_run_spf (struct isis_area *area, int level, int f
{	{
node = listhead (spftree->tents);	node = listhead (spftree->tents);
vertex = listgetdata (node);	vertex = listgetdata (node);
/* Remove from tent list */
	#ifdef EXTREME_DEBUG
	zlog_debug ("ISIS-Spf: get TENT node %s %s depth %d dist %d to PATHS",
	print_sys_hostname (vertex->N.id),
	vtype2string (vertex->type), vertex->depth, vertex->d_N);
	#endif /* EXTREME_DEBUG */

	/* Remove from tent list and add to paths list */
list_delete_node (spftree->tents, node);	list_delete_node (spftree->tents, node);
if (isis_find_vertex (spftree->paths, vertex->N.id, vertex->type))	add_to_paths (spftree, vertex, level);
continue;	switch (vertex->type)
add_to_paths (spftree, vertex, area, level);	{
if (vertex->type == VTYPE_PSEUDO_IS \|\|	case VTYPE_PSEUDO_IS:
vertex->type == VTYPE_NONPSEUDO_IS)	case VTYPE_NONPSEUDO_IS:
{	case VTYPE_PSEUDO_TE_IS:
	case VTYPE_NONPSEUDO_TE_IS:
memcpy (lsp_id, vertex->N.id, ISIS_SYS_ID_LEN + 1);	memcpy (lsp_id, vertex->N.id, ISIS_SYS_ID_LEN + 1);
LSP_FRAGMENT (lsp_id) = 0;	LSP_FRAGMENT (lsp_id) = 0;
lsp = lsp_search (lsp_id, area->lspdb[level - 1]);	lsp = lsp_search (lsp_id, area->lspdb[level - 1]);
if (lsp)	if (lsp && lsp->lsp_header->rem_lifetime != 0)
{	{
if (LSP_PSEUDO_ID (lsp_id))	if (LSP_PSEUDO_ID (lsp_id))
{	{
isis_spf_process_pseudo_lsp (spftree, lsp, vertex->d_N,	isis_spf_process_pseudo_lsp (spftree, lsp, vertex->d_N,
vertex->depth, family);	vertex->depth, family, sysid,
	vertex);
}	}
else	else
{	{
isis_spf_process_lsp (spftree, lsp, vertex->d_N,	isis_spf_process_lsp (spftree, lsp, vertex->d_N,
vertex->depth, family);	vertex->depth, family, sysid, vertex);
}	}
}	}
else	else
Line 1064 isis_run_spf (struct isis_area *area, int level, int f	Line 1272 isis_run_spf (struct isis_area *area, int level, int f
zlog_warn ("ISIS-Spf: No LSP found for %s",	zlog_warn ("ISIS-Spf: No LSP found for %s",
rawlspid_print (lsp_id));	rawlspid_print (lsp_id));
}	}
	break;
	default:;
}	}
}	}

out:	out:
thread_add_event (master, isis_route_validate, area, 0);	isis_route_validate (area);
spftree->lastrun = time (NULL);
spftree->pending = 0;	spftree->pending = 0;
	spftree->runcount++;
	spftree->last_run_timestamp = time (NULL);
	quagga_gettime(QUAGGA_CLK_MONOTONIC, &time_now);
	end_time = time_now.tv_sec;
	end_time = (end_time * 1000000) + time_now.tv_usec;
	spftree->last_run_duration = end_time - start_time;


return retval;	return retval;
}	}

Line 1085 isis_run_spf_l1 (struct thread *thread)	Line 1301 isis_run_spf_l1 (struct thread *thread)
assert (area);	assert (area);

area->spftree[0]->t_spf = NULL;	area->spftree[0]->t_spf = NULL;
	area->spftree[0]->pending = 0;

if (!(area->is_type & IS_LEVEL_1))	if (!(area->is_type & IS_LEVEL_1))
{	{
Line 1098 isis_run_spf_l1 (struct thread *thread)	Line 1315 isis_run_spf_l1 (struct thread *thread)
zlog_debug ("ISIS-Spf (%s) L1 SPF needed, periodic SPF", area->area_tag);	zlog_debug ("ISIS-Spf (%s) L1 SPF needed, periodic SPF", area->area_tag);

if (area->ip_circuits)	if (area->ip_circuits)
retval = isis_run_spf (area, 1, AF_INET);	retval = isis_run_spf (area, 1, AF_INET, isis->sysid);

THREAD_TIMER_ON (master, area->spftree[0]->t_spf, isis_run_spf_l1, area,
isis_jitter (PERIODIC_SPF_INTERVAL, 10));

return retval;	return retval;
}	}

Line 1116 isis_run_spf_l2 (struct thread *thread)	Line 1330 isis_run_spf_l2 (struct thread *thread)
assert (area);	assert (area);

area->spftree[1]->t_spf = NULL;	area->spftree[1]->t_spf = NULL;
	area->spftree[1]->pending = 0;

if (!(area->is_type & IS_LEVEL_2))	if (!(area->is_type & IS_LEVEL_2))
{	{
Line 1128 isis_run_spf_l2 (struct thread *thread)	Line 1343 isis_run_spf_l2 (struct thread *thread)
zlog_debug ("ISIS-Spf (%s) L2 SPF needed, periodic SPF", area->area_tag);	zlog_debug ("ISIS-Spf (%s) L2 SPF needed, periodic SPF", area->area_tag);

if (area->ip_circuits)	if (area->ip_circuits)
retval = isis_run_spf (area, 2, AF_INET);	retval = isis_run_spf (area, 2, AF_INET, isis->sysid);

THREAD_TIMER_ON (master, area->spftree[1]->t_spf, isis_run_spf_l2, area,
isis_jitter (PERIODIC_SPF_INTERVAL, 10));

return retval;	return retval;
}	}

int	int
isis_spf_schedule (struct isis_area *area, int level)	isis_spf_schedule (struct isis_area *area, int level)
{	{
int retval = ISIS_OK;
struct isis_spftree *spftree = area->spftree[level - 1];	struct isis_spftree *spftree = area->spftree[level - 1];
time_t diff, now = time (NULL);	time_t now = time (NULL);
	int diff = now - spftree->last_run_timestamp;

if (spftree->pending)	assert (diff >= 0);
return retval;	assert (area->is_type & level);

diff = now - spftree->lastrun;	if (isis->debugs & DEBUG_SPF_EVENTS)
	zlog_debug ("ISIS-Spf (%s) L%d SPF schedule called, lastrun %d sec ago",
	area->area_tag, level, diff);

/* FIXME: let's wait a minute before doing the SPF */	if (spftree->pending)
if (now - isis->uptime < 60 \|\| isis->uptime == 0)	return ISIS_OK;
{
if (level == 1)
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l1, area, 60);
else
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l2, area, 60);

spftree->pending = 1;
return retval;
}

THREAD_TIMER_OFF (spftree->t_spf);	THREAD_TIMER_OFF (spftree->t_spf);

if (diff < MINIMUM_SPF_INTERVAL)	/* wait configured min_spf_interval before doing the SPF */
{	if (diff >= area->min_spf_interval[level-1])
if (level == 1)	return isis_run_spf (area, level, AF_INET, isis->sysid);
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l1, area,
MINIMUM_SPF_INTERVAL - diff);
else
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l2, area,
MINIMUM_SPF_INTERVAL - diff);

spftree->pending = 1;	if (level == 1)
}	THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l1, area,
	area->min_spf_interval[0] - diff);
else	else
{	THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l2, area,
spftree->pending = 0;	area->min_spf_interval[1] - diff);
retval = isis_run_spf (area, level, AF_INET);
if (level == 1)
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l1, area,
isis_jitter (PERIODIC_SPF_INTERVAL, 10));
else
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf_l2, area,
isis_jitter (PERIODIC_SPF_INTERVAL, 10));
}

return retval;	if (isis->debugs & DEBUG_SPF_EVENTS)
	zlog_debug ("ISIS-Spf (%s) L%d SPF scheduled %d sec from now",
	area->area_tag, level, area->min_spf_interval[level-1] - diff);

	spftree->pending = 1;

	return ISIS_OK;
}	}

#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
Line 1199 isis_run_spf6_l1 (struct thread *thread)	Line 1398 isis_run_spf6_l1 (struct thread *thread)
assert (area);	assert (area);

area->spftree6[0]->t_spf = NULL;	area->spftree6[0]->t_spf = NULL;
	area->spftree6[0]->pending = 0;

if (!(area->is_type & IS_LEVEL_1))	if (!(area->is_type & IS_LEVEL_1))
{	{
if (isis->debugs & DEBUG_SPF_EVENTS)	if (isis->debugs & DEBUG_SPF_EVENTS)
zlog_warn ("ISIS-SPF (%s) area does not share level", area->area_tag);	zlog_warn ("ISIS-SPF (%s) area does not share level", area->area_tag);
return ISIS_WARNING;	return ISIS_WARNING;
}	}

Line 1211 isis_run_spf6_l1 (struct thread *thread)	Line 1411 isis_run_spf6_l1 (struct thread *thread)
zlog_debug ("ISIS-Spf (%s) L1 SPF needed, periodic SPF", area->area_tag);	zlog_debug ("ISIS-Spf (%s) L1 SPF needed, periodic SPF", area->area_tag);

if (area->ipv6_circuits)	if (area->ipv6_circuits)
retval = isis_run_spf (area, 1, AF_INET6);	retval = isis_run_spf (area, 1, AF_INET6, isis->sysid);

THREAD_TIMER_ON (master, area->spftree6[0]->t_spf, isis_run_spf6_l1, area,
isis_jitter (PERIODIC_SPF_INTERVAL, 10));

return retval;	return retval;
}	}

Line 1229 isis_run_spf6_l2 (struct thread *thread)	Line 1426 isis_run_spf6_l2 (struct thread *thread)
assert (area);	assert (area);

area->spftree6[1]->t_spf = NULL;	area->spftree6[1]->t_spf = NULL;
	area->spftree6[1]->pending = 0;

if (!(area->is_type & IS_LEVEL_2))	if (!(area->is_type & IS_LEVEL_2))
{	{
Line 1241 isis_run_spf6_l2 (struct thread *thread)	Line 1439 isis_run_spf6_l2 (struct thread *thread)
zlog_debug ("ISIS-Spf (%s) L2 SPF needed, periodic SPF.", area->area_tag);	zlog_debug ("ISIS-Spf (%s) L2 SPF needed, periodic SPF.", area->area_tag);

if (area->ipv6_circuits)	if (area->ipv6_circuits)
retval = isis_run_spf (area, 2, AF_INET6);	retval = isis_run_spf (area, 2, AF_INET6, isis->sysid);

THREAD_TIMER_ON (master, area->spftree6[1]->t_spf, isis_run_spf6_l2, area,
isis_jitter (PERIODIC_SPF_INTERVAL, 10));

return retval;	return retval;
}	}

Line 1254 isis_spf_schedule6 (struct isis_area *area, int level)	Line 1449 isis_spf_schedule6 (struct isis_area *area, int level)
{	{
int retval = ISIS_OK;	int retval = ISIS_OK;
struct isis_spftree *spftree = area->spftree6[level - 1];	struct isis_spftree *spftree = area->spftree6[level - 1];
time_t diff, now = time (NULL);	time_t now = time (NULL);
	time_t diff = now - spftree->last_run_timestamp;

if (spftree->pending)	assert (diff >= 0);
return retval;	assert (area->is_type & level);

diff = now - spftree->lastrun;	if (isis->debugs & DEBUG_SPF_EVENTS)
	zlog_debug ("ISIS-Spf (%s) L%d SPF schedule called, lastrun %d sec ago",
	area->area_tag, level, diff);

/* FIXME: let's wait a minute before doing the SPF */	if (spftree->pending)
if (now - isis->uptime < 60 \|\| isis->uptime == 0)	return ISIS_OK;
{
if (level == 1)
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l1, area, 60);
else
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l2, area, 60);

spftree->pending = 1;
return retval;
}

THREAD_TIMER_OFF (spftree->t_spf);	THREAD_TIMER_OFF (spftree->t_spf);

if (diff < MINIMUM_SPF_INTERVAL)	/* wait configured min_spf_interval before doing the SPF */
{	if (diff >= area->min_spf_interval[level-1])
if (level == 1)	return isis_run_spf (area, level, AF_INET6, isis->sysid);
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l1, area,
MINIMUM_SPF_INTERVAL - diff);
else
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l2, area,
MINIMUM_SPF_INTERVAL - diff);

spftree->pending = 1;	if (level == 1)
}	THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l1, area,
	area->min_spf_interval[0] - diff);
else	else
{	THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l2, area,
spftree->pending = 0;	area->min_spf_interval[1] - diff);
retval = isis_run_spf (area, level, AF_INET6);

if (level == 1)	if (isis->debugs & DEBUG_SPF_EVENTS)
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l1, area,	zlog_debug ("ISIS-Spf (%s) L%d SPF scheduled %d sec from now",
isis_jitter (PERIODIC_SPF_INTERVAL, 10));	area->area_tag, level, area->min_spf_interval[level-1] - diff);
else
THREAD_TIMER_ON (master, spftree->t_spf, isis_run_spf6_l2, area,
isis_jitter (PERIODIC_SPF_INTERVAL, 10));
}

	spftree->pending = 1;

return retval;	return retval;
}	}
#endif	#endif

static void	static void
isis_print_paths (struct vty vty, struct list paths)	isis_print_paths (struct vty vty, struct list paths, u_char *root_sysid)
{	{
struct listnode *node;	struct listnode *node;
	struct listnode *anode;
struct isis_vertex *vertex;	struct isis_vertex *vertex;
struct isis_dynhn dyn, nh_dyn = NULL;
struct isis_adjacency *adj;	struct isis_adjacency *adj;
#if 0	u_char buff[BUFSIZ];
u_char buff[255];
#endif /* 0 */

vty_out (vty, "System Id Metric Next-Hop"	vty_out (vty, "Vertex Type Metric "
" Interface SNPA%s", VTY_NEWLINE);	"Next-Hop Interface Parent%s", VTY_NEWLINE);

for (ALL_LIST_ELEMENTS_RO (paths, node, vertex))	for (ALL_LIST_ELEMENTS_RO (paths, node, vertex)) {
{	if (memcmp (vertex->N.id, root_sysid, ISIS_SYS_ID_LEN) == 0) {
if (vertex->type != VTYPE_NONPSEUDO_IS)	vty_out (vty, "%-20s %-12s %-6s", print_sys_hostname (root_sysid),
continue;	"", "");
if (memcmp (vertex->N.id, isis->sysid, ISIS_SYS_ID_LEN) == 0)	vty_out (vty, "%-30s", "");
{	} else {
vty_out (vty, "%s --%s", host.name?host.name:"",	int rows = 0;
VTY_NEWLINE);	vty_out (vty, "%-20s %-12s %-6u ", vid2string (vertex, buff),
}	vtype2string (vertex->type), vertex->d_N);
else	for (ALL_LIST_ELEMENTS_RO (vertex->Adj_N, anode, adj)) {
{	if (adj) {
dyn = dynhn_find_by_id ((u_char *) vertex->N.id);	if (rows) {
adj = listgetdata (listhead (vertex->Adj_N));	vty_out (vty, "%s", VTY_NEWLINE);
if (adj)	vty_out (vty, "%-20s %-12s %-6s ", "", "", "");
{
nh_dyn = dynhn_find_by_id (adj->sysid);
vty_out (vty, "%-20s %-10u %-20s %-11s %-5s%s",
(dyn != NULL) ? dyn->name.name :
(const u_char )rawlspid_print ((u_char ) vertex->N.id),
vertex->d_N, (nh_dyn != NULL) ? nh_dyn->name.name :
(const u_char *)rawlspid_print (adj->sysid),
adj->circuit->interface->name,
snpa_print (adj->snpa), VTY_NEWLINE);
}	}
else	vty_out (vty, "%-20s %-9s ",
{	print_sys_hostname (adj->sysid),
vty_out (vty, "%s %u %s", dyn ? dyn->name.name :	adj->circuit->interface->name);
(const u_char *) rawlspid_print (vertex->N.id),	++rows;
vertex->d_N, VTY_NEWLINE);	}
}
}	}
	if (rows == 0)
	vty_out (vty, "%-30s ", "");
	}

	/* Print list of parents for the ECMP DAG */
	if (listcount (vertex->parents) > 0) {
	struct listnode *pnode;
	struct isis_vertex *pvertex;
	int rows = 0;
	for (ALL_LIST_ELEMENTS_RO (vertex->parents, pnode, pvertex)) {
	if (rows) {
	vty_out (vty, "%s", VTY_NEWLINE);
	vty_out (vty, "%-72s", "");
	}
	vty_out (vty, "%s(%d)",
	vid2string (pvertex, buff), pvertex->type);
	++rows;
	}
	} else {
	vty_out (vty, " NULL ");
	}

#if 0	#if 0
vty_out (vty, "%s %s %u %s", vtype2string (vertex->type),	if (listcount (vertex->children) > 0) {
vid2string (vertex, buff), vertex->d_N, VTY_NEWLINE);	struct listnode *cnode;
	struct isis_vertex *cvertex;
	for (ALL_LIST_ELEMENTS_RO (vertex->children, cnode, cvertex)) {
	vty_out (vty, "%s", VTY_NEWLINE);
	vty_out (vty, "%-72s", "");
	vty_out (vty, "%s(%d) ",
	vid2string (cvertex, buff), cvertex->type);
	}
	}
#endif	#endif
	vty_out (vty, "%s", VTY_NEWLINE);
}	}
}	}

Line 1381 DEFUN (show_isis_topology,	Line 1582 DEFUN (show_isis_topology,
{	{
vty_out (vty, "IS-IS paths to level-%d routers that speak IP%s",	vty_out (vty, "IS-IS paths to level-%d routers that speak IP%s",
level + 1, VTY_NEWLINE);	level + 1, VTY_NEWLINE);
isis_print_paths (vty, area->spftree[level]->paths);	isis_print_paths (vty, area->spftree[level]->paths, isis->sysid);
	vty_out (vty, "%s", VTY_NEWLINE);
}	}
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
if (area->ipv6_circuits > 0 && area->spftree6[level]	if (area->ipv6_circuits > 0 && area->spftree6[level]
Line 1390 DEFUN (show_isis_topology,	Line 1592 DEFUN (show_isis_topology,
vty_out (vty,	vty_out (vty,
"IS-IS paths to level-%d routers that speak IPv6%s",	"IS-IS paths to level-%d routers that speak IPv6%s",
level + 1, VTY_NEWLINE);	level + 1, VTY_NEWLINE);
isis_print_paths (vty, area->spftree6[level]->paths);	isis_print_paths (vty, area->spftree6[level]->paths, isis->sysid);
	vty_out (vty, "%s", VTY_NEWLINE);
}	}
#endif /* HAVE_IPV6 */	#endif /* HAVE_IPV6 */
}	}

	vty_out (vty, "%s", VTY_NEWLINE);
}	}

return CMD_SUCCESS;	return CMD_SUCCESS;
Line 1423 DEFUN (show_isis_topology_l1,	Line 1628 DEFUN (show_isis_topology_l1,
{	{
vty_out (vty, "IS-IS paths to level-1 routers that speak IP%s",	vty_out (vty, "IS-IS paths to level-1 routers that speak IP%s",
VTY_NEWLINE);	VTY_NEWLINE);
isis_print_paths (vty, area->spftree[0]->paths);	isis_print_paths (vty, area->spftree[0]->paths, isis->sysid);
	vty_out (vty, "%s", VTY_NEWLINE);
}	}
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
if (area->ipv6_circuits > 0 && area->spftree6[0]	if (area->ipv6_circuits > 0 && area->spftree6[0]
Line 1431 DEFUN (show_isis_topology_l1,	Line 1637 DEFUN (show_isis_topology_l1,
{	{
vty_out (vty, "IS-IS paths to level-1 routers that speak IPv6%s",	vty_out (vty, "IS-IS paths to level-1 routers that speak IPv6%s",
VTY_NEWLINE);	VTY_NEWLINE);
isis_print_paths (vty, area->spftree6[0]->paths);	isis_print_paths (vty, area->spftree6[0]->paths, isis->sysid);
	vty_out (vty, "%s", VTY_NEWLINE);
}	}
#endif /* HAVE_IPV6 */	#endif /* HAVE_IPV6 */
	vty_out (vty, "%s", VTY_NEWLINE);
}	}

return CMD_SUCCESS;	return CMD_SUCCESS;
Line 1463 DEFUN (show_isis_topology_l2,	Line 1671 DEFUN (show_isis_topology_l2,
{	{
vty_out (vty, "IS-IS paths to level-2 routers that speak IP%s",	vty_out (vty, "IS-IS paths to level-2 routers that speak IP%s",
VTY_NEWLINE);	VTY_NEWLINE);
isis_print_paths (vty, area->spftree[1]->paths);	isis_print_paths (vty, area->spftree[1]->paths, isis->sysid);
	vty_out (vty, "%s", VTY_NEWLINE);
}	}
#ifdef HAVE_IPV6	#ifdef HAVE_IPV6
if (area->ipv6_circuits > 0 && area->spftree6[1]	if (area->ipv6_circuits > 0 && area->spftree6[1]
Line 1471 DEFUN (show_isis_topology_l2,	Line 1680 DEFUN (show_isis_topology_l2,
{	{
vty_out (vty, "IS-IS paths to level-2 routers that speak IPv6%s",	vty_out (vty, "IS-IS paths to level-2 routers that speak IPv6%s",
VTY_NEWLINE);	VTY_NEWLINE);
isis_print_paths (vty, area->spftree6[1]->paths);	isis_print_paths (vty, area->spftree6[1]->paths, isis->sysid);
	vty_out (vty, "%s", VTY_NEWLINE);
}	}
#endif /* HAVE_IPV6 */	#endif /* HAVE_IPV6 */
	vty_out (vty, "%s", VTY_NEWLINE);
}	}

return CMD_SUCCESS;	return CMD_SUCCESS;

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.1.1.1
changed lines
	Added in v.1.1.1.3