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.c

@@ -77,7 +77,7 @@
 /* Interrupt Mitigation - Timer threshold in us */
 #define WLAN_CFG_INT_TIMER_THRESHOLD_TX 1000
 #define WLAN_CFG_INT_TIMER_THRESHOLD_RX 500
-#define WLAN_CFG_INT_TIMER_THRESHOLD_OTHER 8
+#define WLAN_CFG_INT_TIMER_THRESHOLD_OTHER 1000
 
 #define WLAN_CFG_TX_RING_SIZE 512
 
@@ -159,6 +159,11 @@
 #define WLAN_CFG_RXDMA2HOST_RING_MASK_2 0x4
 #define WLAN_CFG_RXDMA2HOST_RING_MASK_3 0x0
 
+#define WLAN_CFG_HOST2RXDMA_RING_MASK_0 0x1
+#define WLAN_CFG_HOST2RXDMA_RING_MASK_1 0x2
+#define WLAN_CFG_HOST2RXDMA_RING_MASK_2 0x4
+#define WLAN_CFG_HOST2RXDMA_RING_MASK_3 0x0
+
 #define WLAN_CFG_DP_TX_NUM_POOLS 3
 /* Change this to a lower value to enforce scattered idle list mode */
 #define WLAN_CFG_MAX_ALLOC_SIZE (2 << 20)
@@ -254,6 +259,12 @@ static const int rxdma2host_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS] = {
 					WLAN_CFG_RXDMA2HOST_RING_MASK_2,
 					WLAN_CFG_RXDMA2HOST_RING_MASK_3};
 
+static const int host2rxdma_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS] = {
+					WLAN_CFG_HOST2RXDMA_RING_MASK_0,
+					WLAN_CFG_HOST2RXDMA_RING_MASK_1,
+					WLAN_CFG_HOST2RXDMA_RING_MASK_2,
+					WLAN_CFG_HOST2RXDMA_RING_MASK_3};
+
 /**
  * struct wlan_cfg_dp_pdev_ctxt - Configuration parameters for pdev (radio)
  * @rx_dma_buf_ring_size - Size of RxDMA buffer ring
@@ -322,6 +333,8 @@ struct wlan_cfg_dp_soc_ctxt *wlan_cfg_soc_attach()
 					reo_status_ring_mask[i];
 		wlan_cfg_ctx->int_rxdma2host_ring_mask[i] =
 			rxdma2host_ring_mask[i];
+		wlan_cfg_ctx->int_host2rxdma_ring_mask[i] =
+			host2rxdma_ring_mask[i];
 	}
 
 	/* This is default mapping and can be overridden by HW config
@@ -404,6 +417,18 @@ int wlan_cfg_get_rxdma2host_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
 	return cfg->int_rxdma2host_ring_mask[context];
 }
 
+void wlan_cfg_set_host2rxdma_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
+	int context, int mask)
+{
+	cfg->int_host2rxdma_ring_mask[context] = mask;
+}
+
+int wlan_cfg_get_host2rxdma_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
+	int context)
+{
+	return cfg->int_host2rxdma_ring_mask[context];
+}
+
 void wlan_cfg_set_hw_macid(struct wlan_cfg_dp_soc_ctxt *cfg, int pdev_idx,
 	int hw_macid)
 {