/**********************************************************************
The plock must be held before calling this function.
**********************************************************************/
static void pi_rcv_process_switch_port0(IN osm_sm_t * sm,
IN osm_node_t * p_node,
IN osm_physp_t * p_physp,
IN ib_port_info_t * p_pi)
{
ib_api_status_t status;
osm_madw_context_t context;
uint8_t port, num_ports;
OSM_LOG_ENTER(sm->p_log);
if (p_physp->need_update)
sm->p_subn->ignore_existing_lfts = TRUE;
pi_rcv_check_and_fix_lid(sm->p_log, p_pi, p_physp);
/* Update the PortInfo attribute */
osm_physp_set_port_info(p_physp, p_pi, sm);
/* Determine if base switch port 0 */
if (p_node->sw &&
!ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info))
/* PortState is not used on BSP0 but just in case it is DOWN */
p_physp->port_info = *p_pi;
/* Now, query PortInfo for the switch external ports */
num_ports = osm_node_get_num_physp(p_node);
context.pi_context.node_guid = osm_node_get_node_guid(p_node);
context.pi_context.port_guid = osm_physp_get_port_guid(p_physp);
context.pi_context.set_method = FALSE;
context.pi_context.light_sweep = FALSE;
context.pi_context.active_transition = FALSE;
context.pi_context.client_rereg = FALSE;
for (port = 1; port < num_ports; port++) {
status = osm_req_get(sm, osm_physp_get_dr_path_ptr(p_physp),
IB_MAD_ATTR_PORT_INFO, cl_hton32(port),
FALSE,
ib_port_info_get_m_key(&p_physp->port_info),
CL_DISP_MSGID_NONE, &context);
if (status != IB_SUCCESS)
OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0F16: "
"Failure initiating PortInfo request (%s)\n",
ib_get_err_str(status));
}
pi_rcv_process_endport(sm, p_physp, p_pi);
OSM_LOG_EXIT(sm->p_log);
}
static void pi_rcv_process_ca_or_router_port(IN osm_sm_t * sm,
IN osm_node_t * p_node,
IN osm_physp_t * p_physp,
IN ib_port_info_t * p_pi)
{
OSM_LOG_ENTER(sm->p_log);
UNUSED_PARAM(p_node);
pi_rcv_check_and_fix_lid(sm->p_log, p_pi, p_physp);
osm_physp_set_port_info(p_physp, p_pi, sm);
pi_rcv_process_endport(sm, p_physp, p_pi);
OSM_LOG_EXIT(sm->p_log);
}
/**********************************************************************
The plock must be held before calling this function.
**********************************************************************/
static void
__osm_pi_rcv_process_switch_port(IN osm_sm_t * sm,
IN osm_node_t * const p_node,
IN osm_physp_t * const p_physp,
IN ib_port_info_t * const p_pi)
{
ib_api_status_t status = IB_SUCCESS;
osm_madw_context_t context;
osm_physp_t *p_remote_physp;
osm_node_t *p_remote_node;
uint8_t port_num;
uint8_t remote_port_num;
osm_dr_path_t path;
OSM_LOG_ENTER(sm->p_log);
/*
Check the state of the physical port.
If there appears to be something on the other end of the wire,
then ask for NodeInfo. Ignore the switch management port.
*/
port_num = osm_physp_get_port_num(p_physp);
/* if in_sweep_hop_0 is TRUE, then this means the SM is on the switch,
and we got switchInfo of our local switch. Do not continue
probing through the switch. */
if (port_num != 0 && sm->p_subn->in_sweep_hop_0 == FALSE) {
switch (ib_port_info_get_port_state(p_pi)) {
case IB_LINK_DOWN:
p_remote_physp = osm_physp_get_remote(p_physp);
if (p_remote_physp) {
p_remote_node =
osm_physp_get_node_ptr(p_remote_physp);
remote_port_num =
osm_physp_get_port_num(p_remote_physp);
OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
"Unlinking local node 0x%" PRIx64
", port %u"
"\n\t\t\t\tand remote node 0x%" PRIx64
", port %u\n",
cl_ntoh64(osm_node_get_node_guid
(p_node)), port_num,
cl_ntoh64(osm_node_get_node_guid
(p_remote_node)),
remote_port_num);
if (sm->ucast_mgr.cache_valid)
osm_ucast_cache_add_link(&sm->ucast_mgr,
p_physp,
p_remote_physp);
osm_node_unlink(p_node, (uint8_t) port_num,
p_remote_node,
(uint8_t) remote_port_num);
}
break;
case IB_LINK_INIT:
case IB_LINK_ARMED:
case IB_LINK_ACTIVE:
/*
To avoid looping forever, only probe the port if it
is NOT the port that responded to the SMP.
Request node info from the other end of this link:
1) Copy the current path from the parent node.
2) Extend the path to the next hop thru this port.
3) Request node info with the new path
*/
if (p_pi->local_port_num !=
osm_physp_get_port_num(p_physp)) {
path = *osm_physp_get_dr_path_ptr(p_physp);
osm_dr_path_extend(&path,
osm_physp_get_port_num
(p_physp));
memset(&context, 0, sizeof(context));
context.ni_context.node_guid =
osm_node_get_node_guid(p_node);
context.ni_context.port_num =
osm_physp_get_port_num(p_physp);
status = osm_req_get(sm,
&path,
IB_MAD_ATTR_NODE_INFO,
0,
CL_DISP_MSGID_NONE,
&context);
if (status != IB_SUCCESS)
OSM_LOG(sm->p_log, OSM_LOG_ERROR,
"ERR 0F02: "
"Failure initiating NodeInfo request (%s)\n",
ib_get_err_str(status));
} else
OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
"Skipping SMP responder port %u\n",
p_pi->local_port_num);
break;
default:
OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0F03: "
"Unknown link state = %u, port = %u\n",
ib_port_info_get_port_state(p_pi),
p_pi->local_port_num);
break;
}
}
if (ib_port_info_get_port_state(p_pi) > IB_LINK_INIT && p_node->sw &&
p_node->sw->need_update == 1)
p_node->sw->need_update = 0;
if (p_physp->need_update)
sm->p_subn->ignore_existing_lfts = TRUE;
if (port_num == 0)
pi_rcv_check_and_fix_lid(sm->p_log, p_pi, p_physp);
/*
Update the PortInfo attribute.
*/
osm_physp_set_port_info(p_physp, p_pi);
if (port_num == 0) {
/* Determine if base switch port 0 */
if (p_node->sw &&
!ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info))
/* PortState is not used on BSP0 but just in case it is DOWN */
p_physp->port_info = *p_pi;
__osm_pi_rcv_process_endport(sm, p_physp, p_pi);
}
OSM_LOG_EXIT(sm->p_log);
}
