libcapulet: allow detecting race conditions

libcapulet/rdma_ib.c

@@ -170,9 +170,11 @@ bool capulet_rdma_ib_set_peer_from_udp(struct CapuletRdmaIbContext *ctx, struct
 	// Change state from RTR to RTS (Ready To Send)
 	memset(&ibv_dev_qp_params, 0, sizeof(struct ibv_qp_attr));
 	ibv_dev_qp_params.qp_state = IBV_QPS_RTS;
-	ibv_dev_qp_params.timeout = 0x12;
-	ibv_dev_qp_params.retry_cnt = 7;
-	ibv_dev_qp_params.rnr_retry = 7;
+	// Debugging parameters: infinite timeout without retry
+	// This will make the polling wait forever when a race condition occurs
+	ibv_dev_qp_params.timeout = 0;
+	ibv_dev_qp_params.retry_cnt = 0;
+	ibv_dev_qp_params.rnr_retry = 0;
 	ibv_dev_qp_params.sq_psn = udp_ctx->local->psn;
 	ibv_dev_qp_params.max_rd_atomic = 1;