C++ (Cpp) osm_switch_clear_hops Examples

Example #1

File: osm_ucast_updn.c Project: chu11/opensm-snapshot

static int updn_set_min_hop_table(IN updn_t * p_updn)
{
	osm_subn_t *p_subn = &p_updn->p_osm->subn;
	osm_log_t *p_log = &p_updn->p_osm->log;
	osm_switch_t *p_sw;
	cl_map_item_t *item;

	OSM_LOG_ENTER(p_log);

	/* Go over all the switches in the subnet - for each init their Min Hop
	   Table */
	OSM_LOG(p_log, OSM_LOG_VERBOSE,
		"Init Min Hop Table of all switches [\n");

	for (item = cl_qmap_head(&p_updn->p_osm->subn.sw_guid_tbl);
	     item != cl_qmap_end(&p_updn->p_osm->subn.sw_guid_tbl);
	     item = cl_qmap_next(item)) {
		p_sw = (osm_switch_t *)item;
		/* Clear Min Hop Table */
		if (p_subn->opt.connect_roots)
			updn_clear_non_root_hops(p_updn, p_sw);
		else
			osm_switch_clear_hops(p_sw);
	}

	OSM_LOG(p_log, OSM_LOG_VERBOSE,
		"Init Min Hop Table of all switches ]\n");

	/* Now do the BFS for each port  in the subnet */
	OSM_LOG(p_log, OSM_LOG_VERBOSE,
		"BFS through all port guids in the subnet [\n");

	for (item = cl_qmap_head(&p_updn->p_osm->subn.sw_guid_tbl);
	     item != cl_qmap_end(&p_updn->p_osm->subn.sw_guid_tbl);
	     item = cl_qmap_next(item)) {
		p_sw = (osm_switch_t *)item;
		updn_bfs_by_node(p_log, p_subn, p_sw);
	}

	OSM_LOG(p_log, OSM_LOG_VERBOSE,
		"BFS through all port guids in the subnet ]\n");
	/* Cleanup */
	OSM_LOG_EXIT(p_log);
	return 0;
}

Example #2

int
osm_switch_prepare_path_rebuild(IN osm_switch_t * p_sw, IN uint16_t max_lids)
{
	uint8_t **hops;
	unsigned i;

	for (i = 0; i < p_sw->num_ports; i++)
		osm_port_prof_construct(&p_sw->p_prof[i]);

	osm_switch_clear_hops(p_sw);

	if (!p_sw->new_lft &&
	    !(p_sw->new_lft = malloc(IB_LID_UCAST_END_HO + 1)))
		return IB_INSUFFICIENT_MEMORY;

	memset(p_sw->new_lft, OSM_NO_PATH, IB_LID_UCAST_END_HO + 1);

	if (!p_sw->hops) {
		hops = malloc((max_lids + 1) * sizeof(hops[0]));
		if (!hops)
			return -1;
		memset(hops, 0, (max_lids + 1) * sizeof(hops[0]));
		p_sw->hops = hops;
		p_sw->num_hops = max_lids + 1;
	} else if (max_lids + 1 > p_sw->num_hops) {
		uint8_t **old_hops;

		hops = malloc((max_lids + 1) * sizeof(hops[0]));
		if (!hops)
			return -1;
		memcpy(hops, p_sw->hops, p_sw->num_hops * sizeof(hops[0]));
		memset(hops + p_sw->num_hops, 0,
		       (max_lids + 1 - p_sw->num_hops) * sizeof(hops[0]));
		old_hops = p_sw->hops;
		p_sw->hops = hops;
		p_sw->num_hops = max_lids + 1;
		free(old_hops);
	}
	p_sw->max_lid_ho = max_lids;

	return 0;
}

Example #3

File: osm_switch.c Project: ChristianKniep/opensm-qnibng

int osm_switch_prepare_path_rebuild(IN osm_switch_t * p_sw, IN uint16_t max_lids)
{
	uint8_t **hops;
	unsigned i;

	if (alloc_lft(p_sw, max_lids))
		return -1;

	for (i = 0; i < p_sw->num_ports; i++)
		osm_port_prof_construct(&p_sw->p_prof[i]);

	osm_switch_clear_hops(p_sw);

	if (!(p_sw->new_lft = realloc(p_sw->new_lft, p_sw->lft_size)))
		return -1;

	memset(p_sw->new_lft, OSM_NO_PATH, p_sw->lft_size);

	if (!p_sw->hops) {
		hops = malloc((max_lids + 1) * sizeof(hops[0]));
		if (!hops)
			return -1;
		memset(hops, 0, (max_lids + 1) * sizeof(hops[0]));
		p_sw->hops = hops;
		p_sw->num_hops = max_lids + 1;
	} else if (max_lids + 1 > p_sw->num_hops) {
		hops = realloc(p_sw->hops, (max_lids + 1) * sizeof(hops[0]));
		if (!hops)
			return -1;
		memset(hops + p_sw->num_hops, 0,
		       (max_lids + 1 - p_sw->num_hops) * sizeof(hops[0]));
		p_sw->hops = hops;
		p_sw->num_hops = max_lids + 1;
	}
	p_sw->max_lid_ho = max_lids;

	return 0;
}