From: Chengchang Tang <tangchengchang@huawei.com> HNS RoCE will check whether the length of the recv sge exceeds the range of the corresponding MR, which can cause hns RoCE to report a CQE error. Signed-off-by: Chengchang Tang <tangchengchang@huawei.com> Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com> --- src/perftest_resources.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/src/perftest_resources.c b/src/perftest_resources.c index 9e9f41f..f8c0de2 100755 --- a/src/perftest_resources.c +++ b/src/perftest_resources.c @@ -3261,6 +3261,19 @@ void ctx_set_send_reg_wqes(struct pingpong_context *ctx, } } +static uint64_t set_recv_length(struct pingpong_context *ctx, + struct perftest_parameters *user_param) +{ + enum ctx_device current_dev = ib_dev_name(ctx->context); + int mtu = MTU_SIZE(user_param->curr_mtu); + uint64_t length = SIZE(user_param->connection_type, user_param->size, 1); + + if (current_dev != HNS && user_param->use_srq == ON) + length = ((length + mtu - 1 )/ mtu) * mtu; + + return length; +} + /****************************************************************************** * ******************************************************************************/ @@ -3270,8 +3283,7 @@ int ctx_set_recv_wqes(struct pingpong_context *ctx,struct perftest_parameters *u int num_of_qps = user_param->num_of_qps; struct ibv_recv_wr *bad_wr_recv; int size_per_qp = user_param->rx_depth / user_param->recv_post_list; - int mtu = MTU_SIZE(user_param->curr_mtu); - uint64_t length = user_param->use_srq == ON ? (((SIZE(user_param->connection_type ,user_param->size, 1) + mtu - 1 )/ mtu) * mtu) : SIZE(user_param->connection_type, user_param->size, 1); + uint64_t length = set_recv_length(ctx, user_param); /* Write w/imm completions have zero recieve buffer length */ if (user_param->verb == WRITE_IMM) -- 2.33.0