author: Logan Gunthorpe <logang@deltatee.com> 2019-01-09 12:22:31 -0700
committer: Jon Mason <jdmason@kudzu.us> 2020-06-05 20:02:09 -0400
commit: b54369a248c2e033bfcf5d6917e08cf9d73d54a6
parent: a9c4211ac918ade1522aced6b5acfbe824722f7d
Commit Summary:
Diffstat:
1 file changed, 10 insertions, 0 deletions
diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c
index ec87a28ae239..e38dc695d57f 100644
--- a/drivers/ntb/test/ntb_perf.c
+++ b/drivers/ntb/test/ntb_perf.c
@@ -1453,6 +1453,16 @@ static int perf_init_peers(struct perf_ctx *perf)
if (perf->gidx == -1)
perf->gidx = pidx;
+ /*
+ * Hardware with only two ports may not have unique port
+ * numbers. In this case, the gidxs should all be zero.
+ */
+ if (perf->pcnt == 1 && ntb_port_number(perf->ntb) == 0 &&
+ ntb_peer_port_number(perf->ntb, 0) == 0) {
+ perf->gidx = 0;
+ perf->peers[0].gidx = 0;
+ }
+
for (pidx = 0; pidx < perf->pcnt; pidx++) {
ret = perf_setup_peer_mw(&perf->peers[pidx]);
if (ret)