3 files changed, 12 insertions, 19 deletions

diff --git a/drivers/net/ethernet/wangxun/libwx/wx_hw.c b/drivers/net/ethernet/wangxun/libwx/wx_hw.c
index 0f4be72116b8e..f0823aa1ede60 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_hw.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_hw.c
@@ -1912,7 +1912,6 @@ static void wx_configure_rx_ring(struct wx *wx,
 				 struct wx_ring *ring)
 {
 	u16 reg_idx = ring->reg_idx;
-	union wx_rx_desc *rx_desc;
 	u64 rdba = ring->dma;
 	u32 rxdctl;
 
@@ -1942,9 +1941,9 @@ static void wx_configure_rx_ring(struct wx *wx,
 	memset(ring->rx_buffer_info, 0,
 	       sizeof(struct wx_rx_buffer) * ring->count);
 
-	/* initialize Rx descriptor 0 */
-	rx_desc = WX_RX_DESC(ring, 0);
-	rx_desc->wb.upper.length = 0;
+	/* reset ntu and ntc to place SW in sync with hardware */
+	ring->next_to_clean = 0;
+	ring->next_to_use = 0;
 
 	/* enable receive descriptor ring */
 	wr32m(wx, WX_PX_RR_CFG(reg_idx),
@@ -2778,6 +2777,8 @@ void wx_update_stats(struct wx *wx)
 		hwstats->fdirmiss += rd32(wx, WX_RDB_FDIR_MISS);
 	}
 
+	/* qmprc is not cleared on read, manual reset it */
+	hwstats->qmprc = 0;
 	for (i = wx->num_vfs * wx->num_rx_queues_per_pool;
 	     i < wx->mac.max_rx_queues; i++)
 		hwstats->qmprc += rd32(wx, WX_PX_MPRC(i));
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
index 55e252789db35..0213ad5a6ceb8 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
@@ -174,10 +174,6 @@ static void wx_dma_sync_frag(struct wx_ring *rx_ring,
 				      skb_frag_off(frag),
 				      skb_frag_size(frag),
 				      DMA_FROM_DEVICE);
-
-	/* If the page was released, just unmap it. */
-	if (unlikely(WX_CB(skb)->page_released))
-		page_pool_put_full_page(rx_ring->page_pool, rx_buffer->page, false);
 }
 
 static struct wx_rx_buffer *wx_get_rx_buffer(struct wx_ring *rx_ring,
@@ -227,10 +223,6 @@ static void wx_put_rx_buffer(struct wx_ring *rx_ring,
 			     struct sk_buff *skb,
 			     int rx_buffer_pgcnt)
 {
-	if (!IS_ERR(skb) && WX_CB(skb)->dma == rx_buffer->dma)
-		/* the page has been released from the ring */
-		WX_CB(skb)->page_released = true;
-
 	/* clear contents of rx_buffer */
 	rx_buffer->page = NULL;
 	rx_buffer->skb = NULL;
@@ -315,7 +307,7 @@ static bool wx_alloc_mapped_page(struct wx_ring *rx_ring,
 		return false;
 	dma = page_pool_get_dma_addr(page);
 
-	bi->page_dma = dma;
+	bi->dma = dma;
 	bi->page = page;
 	bi->page_offset = 0;
 
@@ -352,7 +344,7 @@ void wx_alloc_rx_buffers(struct wx_ring *rx_ring, u16 cleaned_count)
 						 DMA_FROM_DEVICE);
 
 		rx_desc->read.pkt_addr =
-			cpu_to_le64(bi->page_dma + bi->page_offset);
+			cpu_to_le64(bi->dma + bi->page_offset);
 
 		rx_desc++;
 		bi++;
@@ -365,6 +357,8 @@ void wx_alloc_rx_buffers(struct wx_ring *rx_ring, u16 cleaned_count)
 
 		/* clear the status bits for the next_to_use descriptor */
 		rx_desc->wb.upper.status_error = 0;
+		/* clear the length for the next_to_use descriptor */
+		rx_desc->wb.upper.length = 0;
 
 		cleaned_count--;
 	} while (cleaned_count);
@@ -2423,9 +2417,6 @@ static void wx_clean_rx_ring(struct wx_ring *rx_ring)
 		if (rx_buffer->skb) {
 			struct sk_buff *skb = rx_buffer->skb;
 
-			if (WX_CB(skb)->page_released)
-				page_pool_put_full_page(rx_ring->page_pool, rx_buffer->page, false);
-
 			dev_kfree_skb(skb);
 		}
 
@@ -2449,6 +2440,9 @@ static void wx_clean_rx_ring(struct wx_ring *rx_ring)
 		}
 	}
 
+	/* Zero out the descriptor ring */
+	memset(rx_ring->desc, 0, rx_ring->size);
+
 	rx_ring->next_to_alloc = 0;
 	rx_ring->next_to_clean = 0;
 	rx_ring->next_to_use = 0;
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_type.h b/drivers/net/ethernet/wangxun/libwx/wx_type.h
index c363379126c04..1a90fcede86b0 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_type.h
+++ b/drivers/net/ethernet/wangxun/libwx/wx_type.h
@@ -909,7 +909,6 @@ enum wx_reset_type {
 struct wx_cb {
 	dma_addr_t dma;
 	u16     append_cnt;      /* number of skb's appended */
-	bool    page_released;
 	bool    dma_released;
 };
 
@@ -998,7 +997,6 @@ struct wx_tx_buffer {
 struct wx_rx_buffer {
 	struct sk_buff *skb;
 	dma_addr_t dma;
-	dma_addr_t page_dma;
 	struct page *page;
 	unsigned int page_offset;
 };