The previous TD lock-free patch introduced ibv_create_cq_ex() to perftest, but it breaks the provider devices which do not support this API yet. For these devices calling this API leads to an errno of EOPNOTSUPP. So add a check of errno, and if it is EOPNOTSUPP, use ibv_create_cq() as a fallback.

Fixes: b6f957f6bc6c ("Perftest: Add support for TD lock-free mode") Signed-off-by: Junxian Huang huangjunxian6@hisilicon.com --- src/perftest_resources.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/perftest_resources.c b/src/perftest_resources.c index 2653207..814ffdb 100755 --- a/src/perftest_resources.c +++ b/src/perftest_resources.c @@ -1547,6 +1547,8 @@ int create_reg_cqs(struct pingpong_context *ctx, #endif ctx->send_cq = ibv_cq_ex_to_cq(ibv_create_cq_ex(ctx->context, &send_cq_attr)); if (!ctx->send_cq) { + if (!user_param->no_lock && errno == EOPNOTSUPP) + goto cq_ex_not_supported; fprintf(stderr, "Couldn't create CQ\n"); return FAILURE; } @@ -1571,7 +1573,9 @@ int create_reg_cqs(struct pingpong_context *ctx, } } return SUCCESS; -#else + +cq_ex_not_supported: +#endif ctx->send_cq = ibv_create_cq(ctx->context,tx_buffer_depth * user_param->num_of_qps, NULL, ctx->send_channel, user_param->eq_num); if (!ctx->send_cq) { @@ -1589,7 +1593,6 @@ int create_reg_cqs(struct pingpong_context *ctx, }

return SUCCESS; -#endif }

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