From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hal Rosenstock Subject: [PATCHv2] opensm/osm_qos.c: Eliminate unneeded endport SL to VL setup Date: Mon, 25 Jan 2010 15:22:48 -0500 Message-ID: <20100125202247.GA9197@comcast.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: sashak-smomgflXvOZWk0Htik3J/w@public.gmane.org Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org when using optimized programming and it's supported by the switch Signed-off-by: Hal Rosenstock --- 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; + 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; } -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html