static int set_lft_block(IN osm_switch_t *p_sw, IN osm_ucast_mgr_t *p_mgr,
IN uint16_t block_id_ho)
{
uint8_t block[IB_SMP_DATA_SIZE];
osm_madw_context_t context;
osm_dr_path_t *p_path;
ib_api_status_t status;
/*
Send linear forwarding table blocks to the switch
as long as the switch indicates it has blocks needing
configuration.
*/
if (!p_sw->new_lft) {
/* any routing should provide the new_lft */
CL_ASSERT(p_mgr->p_subn->opt.use_ucast_cache &&
p_mgr->cache_valid && !p_sw->need_update);
return -1;
}
p_path = osm_physp_get_dr_path_ptr(osm_node_get_physp_ptr(p_sw->p_node, 0));
context.lft_context.node_guid = osm_node_get_node_guid(p_sw->p_node);
context.lft_context.set_method = TRUE;
if (!osm_switch_get_lft_block(p_sw, block_id_ho, block) ||
(!p_sw->need_update && !p_mgr->p_subn->need_update &&
!memcmp(block, p_sw->new_lft + block_id_ho * IB_SMP_DATA_SIZE,
IB_SMP_DATA_SIZE)))
return 0;
OSM_LOG(p_mgr->p_log, OSM_LOG_DEBUG,
"Writing FT block %u to switch 0x%" PRIx64 "\n", block_id_ho,
cl_ntoh64(context.lft_context.node_guid));
status = osm_req_set(p_mgr->sm, p_path,
p_sw->new_lft + block_id_ho * IB_SMP_DATA_SIZE,
IB_SMP_DATA_SIZE, IB_MAD_ATTR_LIN_FWD_TBL,
cl_hton32(block_id_ho),
CL_DISP_MSGID_NONE, &context);
if (status != IB_SUCCESS) {
OSM_LOG(p_mgr->p_log, OSM_LOG_ERROR, "ERR 3A05: "
"Sending linear fwd. tbl. block failed (%s)\n",
ib_get_err_str(status));
return -1;
}
return 0;
}
static ib_api_status_t
__osm_lftr_rcv_new_lftr(IN osm_sa_t * sa,
IN const osm_switch_t * const p_sw,
IN cl_qlist_t * const p_list,
IN ib_net16_t const lid, IN uint16_t const block)
{
osm_lftr_item_t *p_rec_item;
ib_api_status_t status = IB_SUCCESS;
OSM_LOG_ENTER(sa->p_log);
p_rec_item = malloc(sizeof(*p_rec_item));
if (p_rec_item == NULL) {
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4402: "
"rec_item alloc failed\n");
status = IB_INSUFFICIENT_RESOURCES;
goto Exit;
}
OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
"New LinearForwardingTable: sw 0x%016" PRIx64
"\n\t\t\t\tblock 0x%02X lid %u\n",
cl_ntoh64(osm_node_get_node_guid(p_sw->p_node)),
block, cl_ntoh16(lid));
memset(p_rec_item, 0, sizeof(*p_rec_item));
p_rec_item->rec.lid = lid;
p_rec_item->rec.block_num = cl_hton16(block);
/* copy the lft block */
osm_switch_get_lft_block(p_sw, block, p_rec_item->rec.lft);
cl_qlist_insert_tail(p_list, &p_rec_item->list_item);
Exit:
OSM_LOG_EXIT(sa->p_log);
return (status);
}
int osm_ucast_mgr_set_fwd_table(IN osm_ucast_mgr_t * const p_mgr,
IN osm_switch_t * const p_sw)
{
osm_node_t *p_node;
osm_dr_path_t *p_path;
osm_madw_context_t context;
ib_api_status_t status;
ib_switch_info_t si;
uint16_t block_id_ho = 0;
uint8_t block[IB_SMP_DATA_SIZE];
boolean_t set_swinfo_require = FALSE;
uint16_t lin_top;
uint8_t life_state;
CL_ASSERT(p_mgr);
OSM_LOG_ENTER(p_mgr->p_log);
CL_ASSERT(p_sw);
p_node = p_sw->p_node;
CL_ASSERT(p_node);
p_path = osm_physp_get_dr_path_ptr(osm_node_get_physp_ptr(p_node, 0));
/*
Set the top of the unicast forwarding table.
*/
si = p_sw->switch_info;
lin_top = cl_hton16(p_sw->max_lid_ho);
if (lin_top != si.lin_top) {
set_swinfo_require = TRUE;
si.lin_top = lin_top;
}
/* check to see if the change state bit is on. If it is - then we
need to clear it. */
if (ib_switch_info_get_state_change(&si))
life_state = ((p_mgr->p_subn->opt.packet_life_time << 3)
| (si.life_state & IB_SWITCH_PSC)) & 0xfc;
else
life_state = (p_mgr->p_subn->opt.packet_life_time << 3) & 0xf8;
if ((life_state != si.life_state)
|| ib_switch_info_get_state_change(&si)) {
set_swinfo_require = TRUE;
si.life_state = life_state;
}
if (set_swinfo_require) {
OSM_LOG(p_mgr->p_log, OSM_LOG_DEBUG,
"Setting switch FT top to LID %u\n", p_sw->max_lid_ho);
context.si_context.light_sweep = FALSE;
context.si_context.node_guid = osm_node_get_node_guid(p_node);
context.si_context.set_method = TRUE;
status = osm_req_set(p_mgr->sm, p_path, (uint8_t *) & si,
sizeof(si),
IB_MAD_ATTR_SWITCH_INFO,
0, CL_DISP_MSGID_NONE, &context);
if (status != IB_SUCCESS)
OSM_LOG(p_mgr->p_log, OSM_LOG_ERROR, "ERR 3A06: "
"Sending SwitchInfo attribute failed (%s)\n",
ib_get_err_str(status));
}
/*
Send linear forwarding table blocks to the switch
as long as the switch indicates it has blocks needing
configuration.
*/
context.lft_context.node_guid = osm_node_get_node_guid(p_node);
context.lft_context.set_method = TRUE;
if (!p_sw->new_lft) {
/* any routing should provide the new_lft */
CL_ASSERT(p_mgr->p_subn->opt.use_ucast_cache &&
p_mgr->cache_valid && !p_sw->need_update);
goto Exit;
}
for (block_id_ho = 0;
osm_switch_get_lft_block(p_sw, block_id_ho, block);
block_id_ho++) {
if (!p_sw->need_update &&
!memcmp(block,
p_sw->new_lft + block_id_ho * IB_SMP_DATA_SIZE,
IB_SMP_DATA_SIZE))
continue;
OSM_LOG(p_mgr->p_log, OSM_LOG_DEBUG,
"Writing FT block %u\n", block_id_ho);
status = osm_req_set(p_mgr->sm, p_path,
p_sw->new_lft + block_id_ho * IB_SMP_DATA_SIZE,
sizeof(block),
IB_MAD_ATTR_LIN_FWD_TBL,
cl_hton32(block_id_ho),
CL_DISP_MSGID_NONE, &context);
if (status != IB_SUCCESS)
OSM_LOG(p_mgr->p_log, OSM_LOG_ERROR, "ERR 3A05: "
"Sending linear fwd. tbl. block failed (%s)\n",
ib_get_err_str(status));
}
Exit:
OSM_LOG_EXIT(p_mgr->p_log);
return 0;
}
