1 files changed, 16 insertions, 7 deletions

diff --git a/drivers/net/ethernet/wangxun/libwx/wx_hw.c b/drivers/net/ethernet/wangxun/libwx/wx_hw.c
index 0f4be72116b8..bcd07a715752 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_hw.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_hw.c
@@ -11,6 +11,7 @@
 #include "wx_type.h"
 #include "wx_lib.h"
 #include "wx_sriov.h"
+#include "wx_vf.h"
 #include "wx_hw.h"
 
 static int wx_phy_read_reg_mdi(struct mii_bus *bus, int phy_addr, int devnum, int regnum)
@@ -124,6 +125,11 @@ void wx_intr_enable(struct wx *wx, u64 qmask)
 {
 	u32 mask;
 
+	if (wx->pdev->is_virtfn) {
+		wr32(wx, WX_VXIMC, qmask);
+		return;
+	}
+
 	mask = (qmask & U32_MAX);
 	if (mask)
 		wr32(wx, WX_PX_IMC(0), mask);
@@ -1107,7 +1113,7 @@ static int wx_write_uc_addr_list(struct net_device *netdev, int pool)
  *  by the MO field of the MCSTCTRL. The MO field is set during initialization
  *  to mc_filter_type.
  **/
-static u32 wx_mta_vector(struct wx *wx, u8 *mc_addr)
+u32 wx_mta_vector(struct wx *wx, u8 *mc_addr)
 {
 	u32 vector = 0;
 
@@ -1827,7 +1833,7 @@ void wx_disable_rx_queue(struct wx *wx, struct wx_ring *ring)
 }
 EXPORT_SYMBOL(wx_disable_rx_queue);
 
-static void wx_enable_rx_queue(struct wx *wx, struct wx_ring *ring)
+void wx_enable_rx_queue(struct wx *wx, struct wx_ring *ring)
 {
 	u8 reg_idx = ring->reg_idx;
 	u32 rxdctl;
@@ -1843,6 +1849,7 @@ static void wx_enable_rx_queue(struct wx *wx, struct wx_ring *ring)
 		       reg_idx);
 	}
 }
+EXPORT_SYMBOL(wx_enable_rx_queue);
 
 static void wx_configure_srrctl(struct wx *wx,
 				struct wx_ring *rx_ring)
@@ -1912,7 +1919,6 @@ 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 +1948,9 @@ 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),
@@ -2368,7 +2374,8 @@ int wx_sw_init(struct wx *wx)
 	wx->bus.device = PCI_SLOT(pdev->devfn);
 	wx->bus.func = PCI_FUNC(pdev->devfn);
 
-	if (wx->oem_svid == PCI_VENDOR_ID_WANGXUN) {
+	if (wx->oem_svid == PCI_VENDOR_ID_WANGXUN ||
+	    pdev->is_virtfn) {
 		wx->subsystem_vendor_id = pdev->subsystem_vendor;
 		wx->subsystem_device_id = pdev->subsystem_device;
 	} else {
@@ -2778,6 +2785,8 @@ 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));