Since subn->port_lid_tbl vector is filled for all port's LIDs in
accordance with its LMC value, so we don't need to bother with LMC
tracking and instead can just return a pointer indexed by requested lid.
Obviously it speeds this helper up significantly.
Signed-off-by: Sasha Khapyorsky <sas...@voltaire.com>
---
opensm/opensm/osm_subnet.c | 21 ++-------------------
1 files changed, 2 insertions(+), 19 deletions(-)
diff --git a/opensm/opensm/osm_subnet.c b/opensm/opensm/osm_subnet.c
index 30f8af5..97b62c2 100644
--- a/opensm/opensm/osm_subnet.c
+++ b/opensm/opensm/osm_subnet.c
@@ -645,26 +645,9 @@ osm_port_t *osm_get_port_by_guid(IN osm_subn_t const
*p_subn, IN ib_net64_t guid
**********************************************************************/
osm_port_t *osm_get_port_by_lid(IN osm_subn_t const * subn, IN ib_net16_t lid)
{
- osm_port_t *port = NULL;
- uint16_t base_lid;
- uint8_t lmc;
-
lid = cl_ntoh16(lid);
- if (lid >= cl_ptr_vector_get_size(&subn->port_lid_tbl))
- return NULL;
-
- /* Loop on lmc from 0 up through max LMC possible */
- for (lmc = 0; lmc <= IB_PORT_LMC_MAX; lmc++) {
- /* Calculate a base LID assuming this is the real LMC */
- base_lid = lid & ~((1 << lmc) - 1);
-
- port = cl_ptr_vector_get(&subn->port_lid_tbl, base_lid);
- /* Determine if base LID "tested" is the real base LID */
- /* This is true if the LMC "tested" is the port's actual LMC */
- if (port && lmc <= osm_port_get_lmc(port))
- return port;
- }
-
+ if (lid < cl_ptr_vector_get_size(&subn->port_lid_tbl))
+ return cl_ptr_vector_get(&subn->port_lid_tbl, lid);
return NULL;
}
--
1.6.5.rc1
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