osm_switch_t *osm_switch_new(IN osm_node_t * p_node,
IN const osm_madw_t * p_madw)
{
osm_switch_t *p_sw;
ib_switch_info_t *p_si;
ib_smp_t *p_smp;
uint8_t num_ports;
uint32_t port_num;
CL_ASSERT(p_madw);
CL_ASSERT(p_node);
p_smp = osm_madw_get_smp_ptr(p_madw);
p_si = ib_smp_get_payload_ptr(p_smp);
num_ports = osm_node_get_num_physp(p_node);
CL_ASSERT(p_smp->attr_id == IB_MAD_ATTR_SWITCH_INFO);
if (!p_si->lin_cap) /* The switch doesn't support LFT */
return NULL;
p_sw = malloc(sizeof(*p_sw));
if (!p_sw)
return NULL;
memset(p_sw, 0, sizeof(*p_sw));
p_sw->p_node = p_node;
p_sw->switch_info = *p_si;
p_sw->num_ports = num_ports;
p_sw->need_update = 2;
p_sw->p_prof = malloc(sizeof(*p_sw->p_prof) * num_ports);
if (!p_sw->p_prof)
goto err;
memset(p_sw->p_prof, 0, sizeof(*p_sw->p_prof) * num_ports);
osm_mcast_tbl_init(&p_sw->mcast_tbl, osm_node_get_num_physp(p_node),
cl_ntoh16(p_si->mcast_cap));
for (port_num = 0; port_num < num_ports; port_num++)
osm_port_prof_construct(&p_sw->p_prof[port_num]);
return p_sw;
err:
osm_switch_delete(&p_sw);
return NULL;
}
osm_switch_t *osm_switch_new(IN osm_node_t * const p_node,
IN const osm_madw_t * const p_madw)
{
ib_api_status_t status;
osm_switch_t *p_sw;
CL_ASSERT(p_madw);
CL_ASSERT(p_node);
p_sw = (osm_switch_t *) malloc(sizeof(*p_sw));
if (p_sw) {
memset(p_sw, 0, sizeof(*p_sw));
status = osm_switch_init(p_sw, p_node, p_madw);
if (status != IB_SUCCESS)
osm_switch_delete(&p_sw);
}
return (p_sw);
}
/**********************************************************************
Lock must be held on entry to this function.
**********************************************************************/
static void si_rcv_process_new(IN osm_sm_t * sm, IN osm_node_t * p_node,
IN const osm_madw_t * p_madw)
{
osm_switch_t *p_sw;
osm_switch_t *p_check;
ib_switch_info_t *p_si;
ib_smp_t *p_smp;
cl_qmap_t *p_sw_guid_tbl;
CL_ASSERT(sm);
OSM_LOG_ENTER(sm->p_log);
CL_ASSERT(p_madw);
p_sw_guid_tbl = &sm->p_subn->sw_guid_tbl;
p_smp = osm_madw_get_smp_ptr(p_madw);
p_si = ib_smp_get_payload_ptr(p_smp);
osm_dump_switch_info_v2(sm->p_log, p_si, FILE_ID, OSM_LOG_DEBUG);
p_sw = osm_switch_new(p_node, p_madw);
if (p_sw == NULL) {
OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 3608: "
"Unable to allocate new switch object\n");
goto Exit;
}
/* set subnet max mlid to the minimum MulticastFDBCap of all switches */
if (cl_ntoh16(p_si->mcast_cap) + IB_LID_MCAST_START_HO - 1 <
sm->p_subn->max_mcast_lid_ho) {
sm->p_subn->max_mcast_lid_ho = cl_ntoh16(p_si->mcast_cap) +
IB_LID_MCAST_START_HO - 1;
OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
"Subnet max multicast lid is 0x%X\n",
sm->p_subn->max_mcast_lid_ho);
}
/* set subnet max unicast lid to the minimum LinearFDBCap of all switches */
if (cl_ntoh16(p_si->lin_cap) < sm->p_subn->max_ucast_lid_ho) {
sm->p_subn->max_ucast_lid_ho = cl_ntoh16(p_si->lin_cap);
OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
"Subnet max unicast lid is 0x%X\n",
sm->p_subn->max_ucast_lid_ho);
}
p_check = (osm_switch_t *) cl_qmap_insert(p_sw_guid_tbl,
osm_node_get_node_guid
(p_node), &p_sw->map_item);
if (p_check != p_sw) {
/* This shouldn't happen since we hold the lock! */
OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 3605: "
"Unable to add new switch object to database\n");
osm_switch_delete(&p_sw);
goto Exit;
}
p_node->sw = p_sw;
/* Update the switch info according to the info we just received. */
osm_switch_set_switch_info(p_sw, p_si);
#if 0
/* Don't bother retrieving the current unicast and multicast tables
from the switches. The current version of SM does
not support silent take-over of an existing multicast
configuration.
Gathering the multicast tables can also generate large amounts
of extra subnet-init traffic.
The code to retrieve the tables was fully debugged. */
si_rcv_get_fwd_tbl(sm, p_sw);
if (!sm->p_subn->opt.disable_multicast)
si_rcv_get_mcast_fwd_tbl(sm, p_sw);
#endif
Exit:
OSM_LOG_EXIT(sm->p_log);
}
