Then switch is reached via port N we don't need to query back via this port - source node is discovered already. Finally this saves some amount of unnecessary MADs.
Signed-off-by: Sasha Khapyorsky <[email protected]> --- infiniband-diags/libibnetdisc/src/ibnetdisc.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/infiniband-diags/libibnetdisc/src/ibnetdisc.c b/infiniband-diags/libibnetdisc/src/ibnetdisc.c index 65126dd..03b678e 100644 --- a/infiniband-diags/libibnetdisc/src/ibnetdisc.c +++ b/infiniband-diags/libibnetdisc/src/ibnetdisc.c @@ -199,7 +199,8 @@ static int recv_port_info(smp_engine_t * engine, ibnd_smp_t * smp, if (port_num && mad_get_field(port->info, 0, IB_PORT_PHYS_STATE_F) == IB_PORT_PHYS_STATE_LINKUP - && (node->type == IB_NODE_SWITCH || node == fabric->from_node)) { + && ((node->type == IB_NODE_SWITCH && port_num != local_port) || + node == fabric->from_node)) { ib_portid_t path = smp->path; if (extend_dpath(engine, &path, port_num) > 0) query_node_info(engine, &path, node); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
