qcacmn: Pause Tx HW enqueue when bus suspend in progress

In SAP due to intrabss forwarding, Tx ring update is going through
when WOW enable command has been sent to FW. This results in crash.
To fix this, do not update HP when apps suspend is in progress.

Change-Id: Id4176224563bdd759828397fa1cd23de1598192e
CRs-Fixed: 3294407

dp/wifi3.0/dp_main.c

@@ -13578,6 +13578,21 @@ dp_get_tsf_time(struct cdp_soc_t *soc_hdl, uint32_t tsf_id, uint32_t mac_id,
 }
 #endif
 
+/**
+ * dp_set_tx_pause() - Pause or resume tx path
+ * @soc_hdl: Datapath soc handle
+ * @flag: set or clear is_tx_pause
+ *
+ * Return: None.
+ */
+static inline
+void dp_set_tx_pause(struct cdp_soc_t *soc_hdl, bool flag)
+{
+	struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
+
+	soc->is_tx_pause = flag;
+}
+
 static struct cdp_cmn_ops dp_ops_cmn = {
 	.txrx_soc_attach_target = dp_soc_attach_target_wifi3,
 	.txrx_vdev_attach = dp_vdev_attach_wifi3,
@@ -13616,6 +13631,7 @@ static struct cdp_cmn_ops dp_ops_cmn = {
 	.tx_send = dp_tx_send,
 	.tx_send_exc = dp_tx_send_exception,
 #endif
+	.set_tx_pause = dp_set_tx_pause,
 	.txrx_pdev_init = dp_pdev_init_wifi3,
 	.txrx_get_vdev_mac_addr = dp_get_vdev_mac_addr_wifi3,
 	.txrx_get_ctrl_pdev_from_vdev = dp_get_ctrl_pdev_from_vdev_wifi3,