qcacmn: Enable timer based polling for DP rings

Enable timer based polling of the UMAC rings for Tx completion
and Rx. (Interrupts are not yet ready on UMAC rings).
(DP_INTR_POLL_BASED is defined through Kbuild)
Also define the polling timer as 100 ms.

Change-Id: I243f94c3d49a80005ef9eec8a9a6f03abc81870c
CRs-Fixed: 1074199

dp/wifi3.0/dp_main.c

@@ -30,6 +30,7 @@
 #include "dp_rx.h"
 #include "../../wlan_cfg/wlan_cfg.h"
 
+#define DP_INTR_POLL_TIMER_MS	100
 /**
  * dp_setup_srng - Internal function to setup SRNG rings used by data path
  */
@@ -236,7 +237,8 @@ void dp_soc_interrupt_detach(void *txrx_soc)
 	struct dp_soc *soc = (struct dp_soc *)txrx_soc;
 
 	qdf_timer_stop(&soc->int_timer);
-	qdf_timer_detach(&soc->int_timer);
+
+	/* TODO -- call timer detach? */
 }
 #else
 /*

dp/wifi3.0/dp_types.h

@@ -32,6 +32,7 @@
 #endif
 
 #include <hal_tx.h>
+
 #define MAX_PDEV_CNT 3
 #define MAX_LINK_DESC_BANKS 8
 #define MAX_TXDESC_POOLS 4
@@ -424,6 +425,11 @@ struct dp_soc {
 
 	/* Enable processing of Tx completion status words */
 	bool process_tx_status;
+
+#ifdef DP_INTR_POLL_BASED
+	/*interrupt timer*/
+	qdf_timer_t int_timer;
+#endif
 };