RDMA/bnxt_re: Fix the value reported for local ack delay

Local ack delay exposed by the driver is 0 which means infinite QP
timeout. Reporting the default value to 16 (approx 260ms)
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/bnxt_re/bnxt_re.h

@@ -62,6 +62,13 @@
 
 #define BNXT_RE_RQ_WQE_THRESHOLD	32
 
+/*
+ * Setting the default ack delay value to 16, which means
+ * the default timeout is approx. 260ms(4 usec * 2 ^(timeout))
+ */
+
+#define BNXT_RE_DEFAULT_ACK_DELAY	16
+
 struct bnxt_re_work {
 	struct work_struct	work;
 	unsigned long		event;

drivers/infiniband/hw/bnxt_re/ib_verbs.c

@@ -201,7 +201,7 @@ int bnxt_re_query_device(struct ib_device *ibdev,
 	ib_attr->max_fast_reg_page_list_len = MAX_PBL_LVL_1_PGS;
 
 	ib_attr->max_pkeys = 1;
-	ib_attr->local_ca_ack_delay = 0;
+	ib_attr->local_ca_ack_delay = BNXT_RE_DEFAULT_ACK_DELAY;
 	return 0;
 }