C++ osm_node_get_physp_ptr函数代码示例

boolean_t osm_node_link_exists(IN osm_node_t * p_node, IN uint8_t port_num,
			       IN osm_node_t * p_remote_node,
			       IN uint8_t remote_port_num)
{
	osm_physp_t *p_physp;
	osm_physp_t *p_remote_physp;

	CL_ASSERT(port_num < p_node->physp_tbl_size);
	CL_ASSERT(remote_port_num < p_remote_node->physp_tbl_size);

	p_physp = osm_node_get_physp_ptr(p_node, port_num);
	p_remote_physp = osm_node_get_physp_ptr(p_remote_node, remote_port_num);

	return osm_physp_link_exists(p_physp, p_remote_physp);
}

static void state_mgr_get_sw_info(IN cl_map_item_t * p_object, IN void *context)
{
	osm_node_t *p_node;
	osm_dr_path_t *p_dr_path;
	osm_madw_context_t mad_context;
	osm_switch_t *const p_sw = (osm_switch_t *) p_object;
	osm_sm_t *sm = context;
	ib_api_status_t status;

	OSM_LOG_ENTER(sm->p_log);

	p_node = p_sw->p_node;
	p_dr_path =
	    osm_physp_get_dr_path_ptr(osm_node_get_physp_ptr(p_node, 0));

	memset(&mad_context, 0, sizeof(mad_context));

	mad_context.si_context.node_guid = osm_node_get_node_guid(p_node);
	mad_context.si_context.set_method = FALSE;
	mad_context.si_context.light_sweep = TRUE;

	status = osm_req_get(sm, p_dr_path, IB_MAD_ATTR_SWITCH_INFO, 0,
			     OSM_MSG_LIGHT_SWEEP_FAIL, &mad_context);
	if (status != IB_SUCCESS)
		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 3304: "
			"Request for SwitchInfo failed (%s)\n",
			ib_get_err_str(status));

	OSM_LOG_EXIT(sm->p_log);
}

void osm_node_link(IN osm_node_t * p_node, IN uint8_t port_num,
		   IN osm_node_t * p_remote_node, IN uint8_t remote_port_num)
{
	osm_physp_t *p_physp;
	osm_physp_t *p_remote_physp;

	p_physp = osm_node_get_physp_ptr(p_node, port_num);
	p_remote_physp = osm_node_get_physp_ptr(p_remote_node, remote_port_num);

	if (p_physp->p_remote_physp)
		p_physp->p_remote_physp->p_remote_physp = NULL;
	if (p_remote_physp->p_remote_physp)
		p_remote_physp->p_remote_physp->p_remote_physp = NULL;

	osm_physp_link(p_physp, p_remote_physp);
}

boolean_t osm_node_has_any_link(IN osm_node_t * p_node, IN uint8_t port_num)
{
	osm_physp_t *p_physp;
	CL_ASSERT(port_num < p_node->physp_tbl_size);
	p_physp = osm_node_get_physp_ptr(p_node, port_num);
	return osm_physp_has_any_link(p_physp);
}

/**********************************************************************
 The plock must be held before calling this function.
**********************************************************************/
static void ni_rcv_get_node_desc(IN osm_sm_t * sm, IN osm_node_t * p_node,
				 IN const osm_madw_t * p_madw)
{
	ib_node_info_t *p_ni;
	ib_smp_t *p_smp;
	uint8_t port_num;
	osm_physp_t *p_physp = NULL;

	OSM_LOG_ENTER(sm->p_log);

	p_smp = osm_madw_get_smp_ptr(p_madw);
	p_ni = ib_smp_get_payload_ptr(p_smp);
	port_num = ib_node_info_get_local_port_num(p_ni);

	/*
	   Request PortInfo & NodeDescription attributes for the port
	   that responded to the NodeInfo attribute.
	   Because this is a channel adapter or router, we are
	   not allowed to request PortInfo for the other ports.
	   Set the context union properly, so the recipient
	   knows which node & port are relevant.
	 */
	p_physp = osm_node_get_physp_ptr(p_node, port_num);
	if (!p_physp) {
		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR OD1F: "
			"Failed to find physp for port %d of Node GUID 0x%"
			PRIx64 "\n", port_num,
			cl_ntoh64(osm_node_get_node_guid(p_node)));
		return;
	}

	osm_req_get_node_desc(sm, p_physp);

	OSM_LOG_EXIT(sm->p_log);
}

static void ni_rcv_process_switch(IN osm_sm_t * sm, IN osm_node_t * p_node,
				  IN const osm_madw_t * p_madw)
{
	ib_api_status_t status = IB_SUCCESS;
	osm_physp_t *p_physp;
	osm_madw_context_t context;
	osm_dr_path_t *path;
	ib_smp_t *p_smp;

	OSM_LOG_ENTER(sm->p_log);

	p_smp = osm_madw_get_smp_ptr(p_madw);

	p_physp = osm_node_get_physp_ptr(p_node, 0);
	/* update DR path of already initialized switch port 0 */
	path = osm_physp_get_dr_path_ptr(p_physp);
	osm_dr_path_init(path, p_smp->hop_count, p_smp->initial_path);

	context.si_context.node_guid = osm_node_get_node_guid(p_node);
	context.si_context.set_method = FALSE;
	context.si_context.light_sweep = FALSE;
	context.si_context.lft_top_change = FALSE;

	/* Request a SwitchInfo attribute */
	status = osm_req_get(sm, path, IB_MAD_ATTR_SWITCH_INFO, 0, TRUE, 0,
			     CL_DISP_MSGID_NONE, &context);
	if (status != IB_SUCCESS)
		/* continue despite error */
		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0D06: "
			"Failure initiating SwitchInfo request (%s)\n",
			ib_get_err_str(status));

	OSM_LOG_EXIT(sm->p_log);
}

static void report_duplicated_guid(IN osm_sm_t * sm, osm_physp_t * p_physp,
				   osm_node_t * p_neighbor_node,
				   const uint8_t port_num)
{
	osm_physp_t *p_old, *p_new;
	osm_dr_path_t path;

	p_old = p_physp->p_remote_physp;
	p_new = osm_node_get_physp_ptr(p_neighbor_node, port_num);

	OSM_LOG(sm->p_log, OSM_LOG_SYS | OSM_LOG_ERROR, "ERR 0D01: "
		"Found duplicated node GUID.\n"
		"Node 0x%" PRIx64 " port %u is reachable from remote node "
		"0x%" PRIx64 " port %u and remote node 0x%" PRIx64 " port %u.\n"
		"Paths are:\n",
		cl_ntoh64(p_physp->p_node->node_info.node_guid),
		p_physp->port_num,
		p_old ? cl_ntoh64(p_old->p_node->node_info.node_guid) : 0,
		p_old ? p_old->port_num : 0,
		p_new ? cl_ntoh64(p_new->p_node->node_info.node_guid) : 0,
		p_new ? p_new->port_num : 0);

	osm_dump_dr_path_v2(sm->p_log, osm_physp_get_dr_path_ptr(p_physp),
			    FILE_ID, OSM_LOG_ERROR);

	path = *osm_physp_get_dr_path_ptr(p_new);
	if (osm_dr_path_extend(&path, port_num))
		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0D05: "
			"DR path with hop count %d couldn't be extended\n",
			path.hop_count);
	osm_dump_dr_path_v2(sm->p_log, &path, FILE_ID, OSM_LOG_ERROR);
}

static int mark_ignored_port(void *ctx, uint64_t guid, char *p)
{
	osm_ucast_mgr_t *m = ctx;
	osm_node_t *node = osm_get_node_by_guid(m->p_subn, cl_hton64(guid));
	osm_physp_t *physp;
	unsigned port;

	if (!node || !node->sw) {
		OSM_LOG(m->p_log, OSM_LOG_DEBUG,
			"switch with guid 0x%016" PRIx64 " is not found\n",
			guid);
		return 0;
	}

	if (!p || !*p || !(port = strtoul(p, NULL, 0)) ||
	    port >= node->sw->num_ports) {
		OSM_LOG(m->p_log, OSM_LOG_DEBUG,
			"bad port specified for guid 0x%016" PRIx64 "\n", guid);
		return 0;
	}

	physp = osm_node_get_physp_ptr(node, port);
	if (!physp)
		return 0;

	physp->is_prof_ignored = 1;

	return 0;
}

/** =========================================================================
 */
void ep_port_tbl_rec_init(osm_physp_t *p_physp, struct ep_port_tbl_rec *p_rec)
{
	const ib_port_info_t *p_pi;
	const osm_physp_t *p_physp0;
	uint8_t is_fdr10_active;
	uint8_t is_switch;

	if (osm_node_get_type(p_physp->p_node) == IB_NODE_TYPE_SWITCH &&
	    osm_physp_get_port_num(p_physp) > 0) {
		/* for SW external ports, port 0 Capability Mask is used  */
		p_physp0 = osm_node_get_physp_ptr((osm_node_t *)p_physp->p_node, 0);
		p_pi = &p_physp0->port_info;
	} else {
		p_pi = &p_physp->port_info;
	}

	is_fdr10_active = ((p_physp->ext_port_info.link_speed_active & FDR10) ? 0xff : 0) &
					  SSA_DB_PORT_IS_FDR10_ACTIVE_MASK;
	is_switch = ((osm_node_get_type(p_physp->p_node) == IB_NODE_TYPE_SWITCH) ? 0xff : 0) &
					  SSA_DB_PORT_IS_SWITCH_MASK;

	p_rec->pkey_tbl_offset		= 0;
	p_rec->pkey_tbl_size		= 0;
	p_rec->port_lid			= osm_physp_get_base_lid(p_physp);
	p_rec->port_num			= osm_physp_get_port_num(p_physp);
	p_rec->neighbor_mtu		= ib_port_info_get_neighbor_mtu(&p_physp->port_info);
	p_rec->rate			= ib_port_info_compute_rate(&p_physp->port_info,
								    p_pi->capability_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) &
					  SSA_DB_PORT_RATE_MASK;
	p_rec->vl_enforce		= p_physp->port_info.vl_enforce;
	p_rec->rate			= (uint8_t) (p_rec->rate | is_fdr10_active | is_switch);
}

static void
osm_pi_rcv_process_set(IN osm_sm_t * sm, IN osm_node_t * const p_node,
		       IN const uint8_t port_num, IN osm_madw_t * const p_madw)
{
	osm_physp_t *p_physp;
	ib_net64_t port_guid;
	ib_smp_t *p_smp;
	ib_port_info_t *p_pi;
	osm_pi_context_t *p_context;
	osm_log_level_t level;

	OSM_LOG_ENTER(sm->p_log);

	p_context = osm_madw_get_pi_context_ptr(p_madw);

	CL_ASSERT(p_node);

	p_physp = osm_node_get_physp_ptr(p_node, port_num);
	CL_ASSERT(p_physp);

	port_guid = osm_physp_get_port_guid(p_physp);

	p_smp = osm_madw_get_smp_ptr(p_madw);
	p_pi = (ib_port_info_t *) ib_smp_get_payload_ptr(p_smp);

	/* check for error */
	if (cl_ntoh16(p_smp->status) & 0x7fff) {
		/* If port already ACTIVE, don't treat status 7 as error */
		if (p_context->active_transition &&
		    (cl_ntoh16(p_smp->status) & 0x7fff) == 0x1c) {
			level = OSM_LOG_INFO;
			OSM_LOG(sm->p_log, OSM_LOG_INFO,
				"Received error status 0x%x for SetResp() during ACTIVE transition\n",
				cl_ntoh16(p_smp->status) & 0x7fff);
			/* Should there be a subsequent Get to validate that port is ACTIVE ? */
		} else {
			level = OSM_LOG_ERROR;
			OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0F10: "
				"Received error status for SetResp()\n");
		}
		osm_dump_port_info(sm->p_log,
				   osm_node_get_node_guid(p_node),
				   port_guid, port_num, p_pi, level);
	}

	OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
		"Received logical SetResp() for GUID 0x%" PRIx64
		", port num %u"
		"\n\t\t\t\tfor parent node GUID 0x%" PRIx64
		" TID 0x%" PRIx64 "\n",
		cl_ntoh64(port_guid), port_num,
		cl_ntoh64(osm_node_get_node_guid(p_node)),
		cl_ntoh64(p_smp->trans_id));

	osm_physp_set_port_info(p_physp, p_pi);

	OSM_LOG_EXIT(sm->p_log);
}

static osm_signal_t
__osm_link_mgr_process_node(osm_sm_t * sm,
			    IN osm_node_t * const p_node,
			    IN const uint8_t link_state)
{
	uint32_t i;
	uint32_t num_physp;
	osm_physp_t *p_physp;
	uint8_t current_state;
	osm_signal_t signal = OSM_SIGNAL_DONE;

	OSM_LOG_ENTER(sm->p_log);

	OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
		"Node 0x%" PRIx64 " going to %s\n",
		cl_ntoh64(osm_node_get_node_guid(p_node)),
		ib_get_port_state_str(link_state));

	/*
	   Set the PortInfo for every Physical Port associated
	   with this Port.  Start iterating with port 1, since the linkstate
	   is not applicable to the management port on switches.
	 */
	num_physp = osm_node_get_num_physp(p_node);
	for (i = 0; i < num_physp; i++) {
		/*
		   Don't bother doing anything if this Physical Port is not valid.
		   or if the state of the port is already better then the
		   specified state.
		 */
		p_physp = osm_node_get_physp_ptr(p_node, (uint8_t) i);
		if (!p_physp)
			continue;

		current_state = osm_physp_get_port_state(p_physp);
		if (current_state == IB_LINK_DOWN)
			continue;

		/*
		   Normally we only send state update if state is lower
		   then required state. However, we need to send update if
		   no state change required.
		 */
		if (link_state != IB_LINK_NO_CHANGE &&
		    link_state <= current_state)
			OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
				"Physical port %u already %s. Skipping\n",
				p_physp->port_num,
				ib_get_port_state_str(current_state));
		else if (__osm_link_mgr_set_physp_pi(sm, p_physp, link_state))
			signal = OSM_SIGNAL_DONE_PENDING;
	}

	OSM_LOG_EXIT(sm->p_log);
	return (signal);
}

void osm_node_unlink(IN osm_node_t * p_node, IN uint8_t port_num,
		     IN osm_node_t * p_remote_node, IN uint8_t remote_port_num)
{
	osm_physp_t *p_physp;
	osm_physp_t *p_remote_physp;

	CL_ASSERT(port_num < p_node->physp_tbl_size);
	CL_ASSERT(remote_port_num < p_remote_node->physp_tbl_size);

	if (osm_node_link_exists(p_node, port_num,
				 p_remote_node, remote_port_num)) {

		p_physp = osm_node_get_physp_ptr(p_node, port_num);
		p_remote_physp =
		    osm_node_get_physp_ptr(p_remote_node, remote_port_num);

		osm_physp_unlink(p_physp, p_remote_physp);
	}
}

static void set_default_hop_wf(cl_map_item_t * p_map_item, void *ctx)
{
	osm_switch_t *sw = (osm_switch_t *) p_map_item;
	int i;

	for (i = 1; i < sw->num_ports; i++) {
		osm_physp_t *p = osm_node_get_physp_ptr(sw->p_node, i);
		if (p)
			p->hop_wf = 1;
	}
}

static void clear_prof_ignore_flag(cl_map_item_t * p_map_item, void *ctx)
{
	osm_switch_t *sw = (osm_switch_t *) p_map_item;
	int i;

	for (i = 1; i < sw->num_ports; i++) {
		osm_physp_t *p = osm_node_get_physp_ptr(sw->p_node, i);
		if (p)
			p->is_prof_ignored = 0;
	}
}

static void sw_count_endport_links(osm_switch_t * sw)
{
	osm_physp_t *p;
	int i;

	sw->endport_links = 0;
	for (i = 1; i < sw->num_ports; i++) {
		p = osm_node_get_physp_ptr(sw->p_node, i);
		if (p && p->p_remote_physp && !p->p_remote_physp->p_node->sw)
			sw->endport_links++;
	}
}