Sasha,

On Tue, Jan 26, 2010 at 9:30 AM, Hal Rosenstock
<hal.rosenst...@gmail.com> wrote:
> On Tue, Jan 26, 2010 at 8:26 AM, Sasha Khapyorsky <sas...@voltaire.com> wrote:
>> On 15:22 Mon 25 Jan     , Hal Rosenstock wrote:
>>>
>>> when using optimized programming and it's supported by the switch
>>>
>>> Signed-off-by: Hal Rosenstock <hal.rosenst...@gmail.com>
>>> ---
>>> Changes since v1:
>>> Add in update of vlarb tables for port 0 when optimized but no SL to VL
>>> tables needed to be configured on that port
>>>
>>> diff --git a/opensm/opensm/osm_qos.c b/opensm/opensm/osm_qos.c
>>> index f814ea8..218e128 100644
>>> --- a/opensm/opensm/osm_qos.c
>>> +++ b/opensm/opensm/osm_qos.c
>>> @@ -243,13 +243,15 @@ static int qos_extports_setup(osm_sm_t * sm, 
>>> osm_node_t *node,
>>>  }
>>>
>>>  static int qos_endport_setup(osm_sm_t * sm, osm_physp_t * p,
>>> -                          const struct qos_config *qcfg)
>>> +                          const struct qos_config *qcfg, int vlarb_only)
>>>  {
>>>       unsigned force_update = p->need_update || sm->p_subn->need_update;
>>>
>>>       p->vl_high_limit = qcfg->vl_high_limit;
>>>       if (vlarb_update(sm, p, 0, force_update, qcfg))
>>>               return -1;
>>> +     if (vlarb_only)
>>> +             return 0;
>>>
>>>       if (!(p->port_info.capability_mask & IB_PORT_CAP_HAS_SL_MAP))
>>>               return 0;
>>> @@ -269,6 +271,7 @@ int osm_qos_setup(osm_opensm_t * p_osm)
>>>       osm_port_t *p_port;
>>>       osm_node_t *p_node;
>>>       int ret = 0;
>>> +     int vlarb_only;
>>>
>>>       if (!p_osm->subn.opt.qos)
>>>               return 0;
>>> @@ -292,6 +295,7 @@ int osm_qos_setup(osm_opensm_t * p_osm)
>>>       p_tbl = &p_osm->subn.port_guid_tbl;
>>>       p_next = cl_qmap_head(p_tbl);
>>>       while (p_next != cl_qmap_end(p_tbl)) {
>>> +             vlarb_only = 0;
>>>               p_port = (osm_port_t *) p_next;
>>>               p_next = cl_qmap_next(p_next);
>>>
>>> @@ -305,13 +309,20 @@ int osm_qos_setup(osm_opensm_t * p_osm)
>>>                           (&p_node->sw->switch_info))
>>>                               continue;
>>>
>>> +                     if 
>>> (ib_switch_info_get_opt_sl2vlmapping(&p_node->sw->switch_info) &&
>>> +                         p_osm->sm.p_subn->opt.use_optimized_slvl &&
>>> +                         !memcmp(&swe_config.sl2vl, &sw0_config.sl2vl,
>>> +                                 sizeof(swe_config.sl2vl)))
>>> +                             vlarb_only = 1;
>>> +
>>
>> qos_extports_setup() is running port setup loop (for both VLArb *and*
>> SL2VL) as:
>>
>>        for (i = 1; i < num_ports; i++) {
>>                ...
>>        }
>>
>> , starting from port '1'.
>>
>> So you case will just effectively skip any SL2VL setup for port 0
>> (it was commented for V1 too).
>
> This is intended. It's not needed since it's only doing this in the
> wildcarded case and the wildcarding includes port 0.

Any reason not to move ahead on this ? Thanks.

-- Hal

> -- Hal
>
>>
>> Sasha
>>
>>>                       cfg = &sw0_config;
>>>               } else if (osm_node_get_type(p_node) == IB_NODE_TYPE_ROUTER)
>>>                       cfg = &rtr_config;
>>>               else
>>>                       cfg = &ca_config;
>>>
>>> -             if (qos_endport_setup(&p_osm->sm, p_port->p_physp, cfg))
>>> +             if (qos_endport_setup(&p_osm->sm, p_port->p_physp, cfg,
>>> +                                   vlarb_only))
>>>                       ret = -1;
>>>       }
>>>
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