qcacmn: Replenish Rx buffers on low threshold intr

Replenish buffers in RXDMA refill ring based on low threshold
interrupts in addition to regular Rx processing. Also increased
RXDMA refill ring size to 4096.

Change-Id: If1f4592c815fe2404c4952a96b721cb6d4fdfcd0

wlan_cfg/wlan_cfg.h

@@ -128,6 +128,7 @@ struct wlan_cfg_dp_soc_ctxt {
 	int int_rx_wbm_rel_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS];
 	int int_reo_status_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS];
 	int int_rxdma2host_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS];
+	int int_host2rxdma_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS];
 	int hw_macid[MAX_PDEV_CNT];
 	int base_hw_macid;
 	bool lro_enabled;
@@ -268,6 +269,27 @@ void wlan_cfg_set_rxdma2host_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
 int wlan_cfg_get_rxdma2host_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
 	int context);
 
+/**
+ * wlan_cfg_set_host2rxdma_ring_mask() - Set host2rxdma ring interrupt mask
+ *				   for the given interrupt context
+ * @wlan_cfg_ctx - Configuration Handle
+ * @context - Numerical ID identifying the Interrupt/NAPI context
+ *
+ */
+void wlan_cfg_set_host2rxdma_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
+	int context, int mask);
+
+/**
+ * wlan_cfg_get_host2rxdma_ring_mask() - Return host2rxdma ring interrupt mask
+ *				   mapped to an interrupt context
+ * @wlan_cfg_ctx - Configuration Handle
+ * @context - Numerical ID identifying the Interrupt/NAPI context
+ *
+ * Return: int_host2rxdma_ring_mask[context]
+ */
+int wlan_cfg_get_host2rxdma_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
+	int context);
+
 /**
  * wlan_cfg_set_hw_macid() - Set HW MAC Id for the given PDEV index
  *