Hi Hal,
On 14:41 Tue 01 Dec , Hal Rosenstock wrote:
>
> Optimized SLtoVLMappingTable programming reduces the number of MADs
> needed from O(n**2) to O(n). See IBA 1.2.1 vol 1 p. 843 14.2.5.8
> SLtoVLMappingTable.
>
> Signed-off-by: Hal Rosenstock <hal.rosenst...@gmail.com>
> ---
> Changes since v2:
> Use osm_log rather than OSM_LOG in osm_slvl_rcv_process for optimized
> sl2vl mapping programming verbose log message
I didn't ask for such change. Instead I asked to avoid the function
(osm_slvl_rcv_process() in this patch) constructed in form of:
if (cond1)
goto flow1;
do_flow2;
goto end;
flow1:
do_flow1;
end:
In general this is equivalent to simpler and more readable:
if (cond1)
do_flow1();
else
do_flow2();
And in case of osm_slvl_rcv_process() even nicer merge is possible when
slvl port table setup loop is shared, but its range (start*port and
end*port values) is defined differently for various input cases. Just
like this (against your patch, rebased over recent fixes, compilation
only tested):
diff --git a/opensm/opensm/osm_slvl_map_rcv.c b/opensm/opensm/osm_slvl_map_rcv.c
index 7ca0b8f..73c6253 100644
--- a/opensm/opensm/osm_slvl_map_rcv.c
+++ b/opensm/opensm/osm_slvl_map_rcv.c
@@ -72,8 +72,8 @@ void osm_slvl_rcv_process(IN void *context, IN void *p_data)
ib_net64_t port_guid;
ib_net64_t node_guid;
uint32_t attr_mod;
- uint8_t out_port_num, in_port_num, startinport, startoutport,
- endinport, endoutport;
+ uint8_t startinport, endinport, startoutport, endoutport;
+ uint8_t in_port, out_port;
CL_ASSERT(sm);
@@ -109,80 +109,51 @@ void osm_slvl_rcv_process(IN void *context, IN void
*p_data)
if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) {
unsigned num_ports = osm_node_get_num_physp(p_node) - 1;
attr_mod = cl_ntoh32(p_smp->attr_mod);
- out_port_num = attr_mod & 0xff;
- in_port_num = (attr_mod >> 8) & 0xff;
- if (in_port_num > num_ports || out_port_num > num_ports) {
+
+ if (attr_mod & 0x10000) {
+ startoutport =
ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info) ? 0 : 1;
+ endoutport = osm_node_get_num_physp(p_node) - 1;
+ } else
+ startoutport = endoutport = attr_mod & 0xff;
+
+ if (attr_mod & 0x20000) {
+ startinport =
ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info) ? 0 : 1;
+ endinport = osm_node_get_num_physp(p_node) - 1;
+ } else
+ startinport = endinport = (attr_mod >> 8) & 0xff;
+
+ if (startinport > num_ports || startoutport > num_ports) {
OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2C07"
"Invalid attribute modifier 0x%x reveived in"
" response from switch 0x%" PRIx64 "\n",
- cl_ntoh32(p_smp->attr_mod),
- cl_ntoh64(node_guid));
+ cl_ntoh32(attr_mod), cl_ntoh64(node_guid));
goto Exit;
}
- if (attr_mod & 0x30000)
- goto opt_sl2vl;
- p_physp = osm_node_get_physp_ptr(p_node, out_port_num);
- } else {
- p_physp = p_port->p_physp;
- out_port_num = p_physp->port_num;
- in_port_num = 0;
- }
- /*
- We do not care if this is a result of a set or get -
- all we want is to update the subnet.
- */
- OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
- "Received SLtoVL GetResp in_port_num %u out_port_num %u with "
- "GUID 0x%" PRIx64 " for parent node GUID 0x%" PRIx64 ", TID 0x%"
- PRIx64 "\n", in_port_num, out_port_num, cl_ntoh64(port_guid),
- cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
-
- /*
- Determine if we encountered a new Physical Port.
- If so, Ignore it.
- */
- if (!p_physp) {
- OSM_LOG(sm->p_log, OSM_LOG_ERROR,
- "Got invalid port number %u\n", out_port_num);
- goto Exit;
+ } else {
+ startoutport = endoutport = p_port->p_physp->port_num;
+ startinport = endinport = 0;
}
- osm_dump_slvl_map_table(sm->p_log, port_guid, in_port_num,
- out_port_num, p_slvl_tbl, OSM_LOG_DEBUG);
-
- osm_physp_set_slvl_tbl(p_physp, p_slvl_tbl, in_port_num);
- goto Exit;
-
-opt_sl2vl:
- if (osm_log_is_active(sm->p_log, OSM_LOG_VERBOSE))
- osm_log(sm->p_log, OSM_LOG_VERBOSE,
- "Received optimized SLtoVL get response in_port_num %u "
- "out_port_num %u with GUID 0x%" PRIx64 " for parent "
- "node GUID 0x%" PRIx64 ", TID 0x%" PRIx64 "\n",
- in_port_num, out_port_num, cl_ntoh64(port_guid),
- cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
-
- osm_dump_slvl_map_table(sm->p_log, port_guid, in_port_num,
- out_port_num, p_slvl_tbl, OSM_LOG_DEBUG);
-
- if (attr_mod & 0x10000) {
- startoutport =
ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info) ? 0 : 1;
- endoutport = osm_node_get_num_physp(p_node);
- } else
- endoutport = startoutport = out_port_num;
- if (attr_mod & 0x20000) {
- startinport =
ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info) ? 0 : 1;
- endinport = osm_node_get_num_physp(p_node);
- } else
- endinport = startinport = in_port_num;
-
- for (out_port_num = startoutport; out_port_num < endoutport;
- out_port_num++) {
- p_physp = osm_node_get_physp_ptr(p_node, out_port_num);
- for (in_port_num = startinport; in_port_num < endinport;
- in_port_num++)
- osm_physp_set_slvl_tbl(p_physp, p_slvl_tbl,
in_port_num);
+ OSM_LOG(sm->p_log, OSM_LOG_DEBUG, "Received SLtoVL GetResp"
+ " in_port_num %u out_port_num %u with GUID 0x%" PRIx64
+ " for parent node GUID 0x%" PRIx64 ", TID 0x%" PRIx64 "\n",
+ startinport == endinport ? startinport : 0xff,
+ startoutport == endoutport ? startoutport : 0xff,
+ cl_ntoh64(port_guid), cl_ntoh64(node_guid),
+ cl_ntoh64(p_smp->trans_id));
+
+ osm_dump_slvl_map_table(sm->p_log, port_guid,
+ startinport == endinport ? startinport : 0xff,
+ startoutport == endoutport ? startoutport :
0xff,
+ p_slvl_tbl, OSM_LOG_DEBUG);
+
+ for (out_port = startoutport; out_port <= endoutport; out_port++) {
+ p_physp = osm_node_get_physp_ptr(p_node, out_port);
+ for (in_port = startinport; in_port <= endinport; in_port++)
+ osm_physp_set_slvl_tbl(p_physp, p_slvl_tbl, in_port);
}
Exit:
> Removed unneeded check of p_physp in input port loop in osm_slvl_rcv_process
> for optimized sl2vl mapping programming
>
> Changes since v1:
> Changed optimized programming flow in osm_qos to only call
> sl2vl_update once per switch supporting this feature
>
> diff --git a/opensm/include/opensm/osm_subnet.h
> b/opensm/include/opensm/osm_subnet.h
> index 3c08689..583c070 100644
> --- a/opensm/include/opensm/osm_subnet.h
> +++ b/opensm/include/opensm/osm_subnet.h
> @@ -206,6 +206,7 @@ typedef struct osm_subn_opt {
> boolean_t daemon;
> boolean_t sm_inactive;
> boolean_t babbling_port_policy;
> + boolean_t use_optimized_slvl;
> osm_qos_options_t qos_options;
> osm_qos_options_t qos_ca_options;
> osm_qos_options_t qos_sw0_options;
> @@ -433,6 +434,10 @@ typedef struct osm_subn_opt {
> * babbling_port_policy
> * OpenSM will enforce its "babbling" port policy.
> *
> +* use_optimized_slvl
> +* Use optimized SLtoVLMappingTable programming if
> +* device indicates it supports this.
> +*
> * perfmgr
> * Enable or disable the performance manager
> *
> diff --git a/opensm/opensm/osm_qos.c b/opensm/opensm/osm_qos.c
> index 08f9a60..617a86e 100644
> --- a/opensm/opensm/osm_qos.c
> +++ b/opensm/opensm/osm_qos.c
I'm yet reviewing the changes in osm_qos.c.
> @@ -1,5 +1,6 @@
> /*
> * Copyright (c) 2006-2009 Voltaire, Inc. All rights reserved.
> + * Copyright (c) 2009 HNR Consulting. All rights reserved.
> *
> * This software is available to you under a choice of one of two
> * licenses. You may choose to be licensed under the terms of the GNU
> @@ -150,7 +151,7 @@ static ib_api_status_t vlarb_update(osm_sm_t * sm,
> osm_physp_t * p,
>
> static ib_api_status_t sl2vl_update_table(osm_sm_t * sm, osm_physp_t * p,
> uint8_t in_port, uint8_t out_port,
> - unsigned force_update,
> + unsigned optimize, unsigned
> force_update,
> const ib_slvl_table_t * sl2vl_table)
> {
> osm_madw_context_t context;
> @@ -180,41 +181,47 @@ static ib_api_status_t sl2vl_update_table(osm_sm_t *
> sm, osm_physp_t * p,
> context.slvl_context.node_guid = osm_node_get_node_guid(p_node);
> context.slvl_context.port_guid = osm_physp_get_port_guid(p);
> context.slvl_context.set_method = TRUE;
> - attr_mod = in_port << 8 | out_port;
> + if (optimize)
> + /* wildcard both input and output ports */
> + attr_mod = 0x30000;
> + else
> + attr_mod = in_port << 8 | out_port;
> return osm_req_set(sm, osm_physp_get_dr_path_ptr(p),
> (uint8_t *) & tbl, sizeof(tbl),
> IB_MAD_ATTR_SLVL_TABLE, cl_hton32(attr_mod),
> CL_DISP_MSGID_NONE, &context);
> }
>
> -static ib_api_status_t sl2vl_update(osm_sm_t * sm, osm_port_t * p_port,
> +static ib_api_status_t sl2vl_update(osm_sm_t * sm, osm_physp_t * p0,
> osm_physp_t * p, uint8_t port_num,
> - unsigned force_update,
> + unsigned optimize, unsigned force_update,
> const struct qos_config *qcfg)
> {
> ib_api_status_t status;
> uint8_t i, num_ports;
> - osm_physp_t *p_physp;
> + osm_node_t *p_node;
>
> - if (osm_node_get_type(osm_physp_get_node_ptr(p)) ==
> IB_NODE_TYPE_SWITCH) {
> + p_node = osm_physp_get_node_ptr(p);
> + if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) {
> if (ib_port_info_get_vl_cap(&p->port_info) == 1) {
> /* Check port 0's capability mask */
> - p_physp = p_port->p_physp;
> - if (!
> - (p_physp->port_info.
> - capability_mask & IB_PORT_CAP_HAS_SL_MAP))
> + if (!(p0->port_info.capability_mask &
> IB_PORT_CAP_HAS_SL_MAP))
> return IB_SUCCESS;
> }
> - num_ports = osm_node_get_num_physp(osm_physp_get_node_ptr(p));
> + num_ports = osm_node_get_num_physp(p_node);
> } else {
> if (!(p->port_info.capability_mask & IB_PORT_CAP_HAS_SL_MAP))
> return IB_SUCCESS;
> num_ports = 1;
> }
>
> + if (optimize)
> + return sl2vl_update_table(sm, p, 1, port_num, optimize,
> + force_update, &qcfg->sl2vl);
> +
> for (i = 0; i < num_ports; i++) {
> - status = sl2vl_update_table(sm, p, i, port_num, force_update,
> - &qcfg->sl2vl);
> + status = sl2vl_update_table(sm, p, i, port_num, optimize,
> + force_update, &qcfg->sl2vl);
> if (status != IB_SUCCESS)
> return status;
> }
> @@ -222,22 +229,30 @@ static ib_api_status_t sl2vl_update(osm_sm_t * sm,
> osm_port_t * p_port,
> return IB_SUCCESS;
> }
>
> -static int qos_physp_setup(osm_log_t * p_log, osm_sm_t * sm,
> - osm_port_t * p_port, osm_physp_t * p,
> - uint8_t port_num, unsigned force_update,
> - const struct qos_config *qcfg)
> +static int vlarb_physp_setup(osm_sm_t * sm, osm_physp_t * p, uint8_t
> port_num,
> + unsigned force_update,
> + const struct qos_config *qcfg)
> {
> - ib_api_status_t status;
> -
> /* OpVLs should be ok at this moment - just use it */
>
> /* setup VL high limit on the physp later to be updated by link mgr */
> p->vl_high_limit = qcfg->vl_high_limit;
>
> /* setup VLArbitration */
> - status = vlarb_update(sm, p, port_num, force_update, qcfg);
> + return vlarb_update(sm, p, port_num, force_update, qcfg);
> +}
> +
> +static int qos_physp_setup(osm_log_t * p_log, osm_sm_t * sm,
> + osm_physp_t * p0, osm_physp_t * p,
> + uint8_t port_num, unsigned force_update,
> + const struct qos_config *qcfg)
> +{
> + ib_api_status_t status;
> +
> + /* setup VLArbitration */
> + status = vlarb_physp_setup(sm, p, port_num, force_update, qcfg);
> if (status != IB_SUCCESS) {
> - OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 6202 : "
> + OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 6202: "
> "failed to update VLArbitration tables "
> "for port %" PRIx64 " #%d\n",
> cl_ntoh64(p->port_guid), port_num);
> @@ -245,9 +260,9 @@ static int qos_physp_setup(osm_log_t * p_log, osm_sm_t *
> sm,
> }
>
> /* setup SL2VL tables */
> - status = sl2vl_update(sm, p_port, p, port_num, force_update, qcfg);
> + status = sl2vl_update(sm, p0, p, port_num, 0, force_update, qcfg);
> if (status != IB_SUCCESS) {
> - OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 6203 : "
> + OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 6203: "
> "failed to update SL2VLMapping tables "
> "for port %" PRIx64 " #%d\n",
> cl_ntoh64(p->port_guid), port_num);
> @@ -267,6 +282,7 @@ int osm_qos_setup(osm_opensm_t * p_osm)
> uint32_t num_physp;
> osm_physp_t *p_physp;
> osm_node_t *p_node;
> + osm_switch_t *p_sw;
> unsigned force_update;
> int ret = 0;
> uint8_t i;
> @@ -290,6 +306,44 @@ int osm_qos_setup(osm_opensm_t * p_osm)
> /* read QoS policy config file */
> osm_qos_parse_policy_file(&p_osm->subn);
>
> + /* loop on switches that support optimized SL2VL programming first */
> + p_tbl = &p_osm->subn.sw_guid_tbl;
> + p_next = cl_qmap_head(p_tbl);
> + while (p_next != cl_qmap_end(p_tbl)) {
> + p_sw = (osm_switch_t *) p_next;
> + p_next = cl_qmap_next(p_next);
> +
> + if (ib_switch_info_get_opt_sl2vlmapping(&p_sw->switch_info) &&
> + p_osm->subn.opt.use_optimized_slvl) {
> + p_physp = osm_node_get_physp_ptr(p_sw->p_node, 1);
> + num_physp = osm_node_get_num_physp(p_sw->p_node);
> + force_update = p_osm->subn.need_update;
> + for (i = 1; i < num_physp; i++) {
> + p_physp = osm_node_get_physp_ptr(p_sw->p_node,
> i);
> + if (!p_physp)
> + continue;
> + if (vlarb_physp_setup(&p_osm->sm, p_physp, i,
> + p_physp->need_update ||
> + p_osm->subn.need_update,
> + &swe_config))
> + ret = -1;
> + force_update |= p_physp->need_update;
> + }
> + if (sl2vl_update(&p_osm->sm,
> + osm_node_get_physp_ptr(p_sw->p_node,
> 0),
> + p_physp, i, 1, force_update,
> + &swe_config)) {
> + OSM_LOG(&p_osm->log, OSM_LOG_ERROR, "ERR 6204: "
> + "failed to update optimized
> SL2VLMapping"
> + " tables for port %" PRIx64 " #%d\n",
> + cl_ntoh64(p_physp->port_guid), i);
> + ret = -1;
> + }
> + }
> + }
> +
> + /* now, loop on ports skipping the external ports of switches
> + that support optimized SL2VL programming */
> p_tbl = &p_osm->subn.port_guid_tbl;
> p_next = cl_qmap_head(p_tbl);
> while (p_next != cl_qmap_end(p_tbl)) {
> @@ -298,6 +352,11 @@ int osm_qos_setup(osm_opensm_t * p_osm)
>
> p_node = p_port->p_node;
> if (p_node->sw) {
> + /* skip switches with optimized SL2VL mapping
> + programming since already done */
> + if
> (ib_switch_info_get_opt_sl2vlmapping(&p_node->sw->switch_info) &&
> + p_osm->subn.opt.use_optimized_slvl)
> + goto check_port0;
> num_physp = osm_node_get_num_physp(p_node);
> for (i = 1; i < num_physp; i++) {
> p_physp = osm_node_get_physp_ptr(p_node, i);
> @@ -306,10 +365,11 @@ int osm_qos_setup(osm_opensm_t * p_osm)
> force_update = p_physp->need_update ||
> p_osm->subn.need_update;
> if (qos_physp_setup(&p_osm->log, &p_osm->sm,
> - p_port, p_physp, i,
> + p_port->p_physp, p_physp, i,
> force_update, &swe_config))
> ret = -1;
> }
> +check_port0:
> /* skip base port 0 */
> if (!ib_switch_info_is_enhanced_port0
> (&p_node->sw->switch_info))
> @@ -326,8 +386,8 @@ int osm_qos_setup(osm_opensm_t * p_osm)
> continue;
>
> force_update = p_physp->need_update || p_osm->subn.need_update;
> - if (qos_physp_setup(&p_osm->log, &p_osm->sm, p_port, p_physp,
> - 0, force_update, cfg))
> + if (qos_physp_setup(&p_osm->log, &p_osm->sm, p_port->p_physp,
> + p_physp, 0, force_update, cfg))
> ret = -1;
> }
>
> diff --git a/opensm/opensm/osm_slvl_map_rcv.c
> b/opensm/opensm/osm_slvl_map_rcv.c
> index 4f75690..214a763 100644
> --- a/opensm/opensm/osm_slvl_map_rcv.c
> +++ b/opensm/opensm/osm_slvl_map_rcv.c
> @@ -2,6 +2,7 @@
> * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
> * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
> * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
> + * Copyright (c) 2009 HNR Consulting. All rights reserved.
> *
> * This software is available to you under a choice of one of two
> * licenses. You may choose to be licensed under the terms of the GNU
> @@ -70,7 +71,9 @@ void osm_slvl_rcv_process(IN void *context, IN void *p_data)
> osm_slvl_context_t *p_context;
> ib_net64_t port_guid;
> ib_net64_t node_guid;
> - uint8_t out_port_num, in_port_num;
> + uint32_t attr_mod;
> + uint8_t out_port_num, in_port_num, startinport, startoutport,
> + endinport, endoutport;
>
> CL_ASSERT(sm);
>
> @@ -109,6 +112,9 @@ void osm_slvl_rcv_process(IN void *context, IN void
> *p_data)
> (uint8_t) cl_ntoh32(p_smp->attr_mod & 0xFF000000);
> in_port_num =
> (uint8_t) cl_ntoh32((p_smp->attr_mod & 0x00FF0000) << 8);
> + attr_mod = cl_ntoh32(p_smp->attr_mod);
> + if (attr_mod & 0x30000)
> + goto opt_sl2vl;
> p_physp = osm_node_get_physp_ptr(p_node, out_port_num);
> } else {
> p_physp = p_port->p_physp;
> @@ -121,7 +127,7 @@ void osm_slvl_rcv_process(IN void *context, IN void
> *p_data)
> all we want is to update the subnet.
> */
> OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
> - "Got SLtoVL get response in_port_num %u out_port_num %u with "
> + "Received SLtoVL GetResp in_port_num %u out_port_num %u with "
> "GUID 0x%" PRIx64 " for parent node GUID 0x%" PRIx64 ", TID 0x%"
> PRIx64 "\n", in_port_num, out_port_num, cl_ntoh64(port_guid),
> cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
> @@ -140,6 +146,38 @@ void osm_slvl_rcv_process(IN void *context, IN void
> *p_data)
> out_port_num, p_slvl_tbl, OSM_LOG_DEBUG);
>
> osm_physp_set_slvl_tbl(p_physp, p_slvl_tbl, in_port_num);
> + goto Exit;
> +
> +opt_sl2vl:
> + if (osm_log_is_active(sm->p_log, OSM_LOG_VERBOSE))
> + osm_log(sm->p_log, OSM_LOG_VERBOSE,
> + "Received optimized SLtoVL get response in_port_num %u "
> + "out_port_num %u with GUID 0x%" PRIx64 " for parent "
> + "node GUID 0x%" PRIx64 ", TID 0x%" PRIx64 "\n",
> + in_port_num, out_port_num, cl_ntoh64(port_guid),
> + cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
> +
> + osm_dump_slvl_map_table(sm->p_log, port_guid, in_port_num,
> + out_port_num, p_slvl_tbl, OSM_LOG_DEBUG);
> +
> + if (attr_mod & 0x10000) {
> + startoutport =
> ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info) ? 0 : 1;
> + endoutport = osm_node_get_num_physp(p_node);
> + } else
> + endoutport = startoutport = out_port_num;
For this case (when endoutport == startoutport) in later loop:
for (out_port_num = startoutport; out_port_num < endoutport;
out_port_num++)
nothing will be done. Right?
> + if (attr_mod & 0x20000) {
> + startinport =
> ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info) ? 0 : 1;
> + endinport = osm_node_get_num_physp(p_node);
> + } else
> + endinport = startinport = in_port_num;
Ditto with 'inport'.
Sasha
> +
> + for (out_port_num = startoutport; out_port_num < endoutport;
> + out_port_num++) {
> + p_physp = osm_node_get_physp_ptr(p_node, out_port_num);
> + for (in_port_num = startinport; in_port_num < endinport;
> + in_port_num++)
> + osm_physp_set_slvl_tbl(p_physp, p_slvl_tbl,
> in_port_num);
> + }
>
> Exit:
> cl_plock_release(sm->p_lock);
> diff --git a/opensm/opensm/osm_subnet.c b/opensm/opensm/osm_subnet.c
> index 09029db..103b5c6 100644
> --- a/opensm/opensm/osm_subnet.c
> +++ b/opensm/opensm/osm_subnet.c
> @@ -354,6 +354,7 @@ static const opt_rec_t opt_tbl[] = {
> { "daemon", OPT_OFFSET(daemon), opts_parse_boolean, NULL, 0 },
> { "sm_inactive", OPT_OFFSET(sm_inactive), opts_parse_boolean, NULL, 1 },
> { "babbling_port_policy", OPT_OFFSET(babbling_port_policy),
> opts_parse_boolean, NULL, 1 },
> + { "use_optimized_slvl", OPT_OFFSET(use_optimized_slvl),
> opts_parse_boolean, NULL, 1 },
> #ifdef ENABLE_OSM_PERF_MGR
> { "perfmgr", OPT_OFFSET(perfmgr), opts_parse_boolean, NULL, 0 },
> { "perfmgr_redir", OPT_OFFSET(perfmgr_redir), opts_parse_boolean, NULL,
> 0 },
> @@ -713,6 +714,7 @@ void osm_subn_set_default_opt(IN osm_subn_opt_t * p_opt)
> p_opt->daemon = FALSE;
> p_opt->sm_inactive = FALSE;
> p_opt->babbling_port_policy = FALSE;
> + p_opt->use_optimized_slvl = FALSE;
> #ifdef ENABLE_OSM_PERF_MGR
> p_opt->perfmgr = FALSE;
> p_opt->perfmgr_redir = TRUE;
> @@ -1499,10 +1501,13 @@ int osm_subn_output_conf(FILE *out, IN osm_subn_opt_t
> * p_opts)
> "# SM Inactive\n"
> "sm_inactive %s\n\n"
> "# Babbling Port Policy\n"
> - "babbling_port_policy %s\n\n",
> + "babbling_port_policy %s\n\n"
> + "# Use Optimized SLtoVLMapping programming if supported by
> device\n"
> + "use_optimized_slvl %s\n\n",
> p_opts->daemon ? "TRUE" : "FALSE",
> p_opts->sm_inactive ? "TRUE" : "FALSE",
> - p_opts->babbling_port_policy ? "TRUE" : "FALSE");
> + p_opts->babbling_port_policy ? "TRUE" : "FALSE",
> + p_opts->use_optimized_slvl ? "TRUE" : "FALSE");
>
> #ifdef ENABLE_OSM_PERF_MGR
> fprintf(out,
> --
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