[PATCH v4 5/8] net/vmxnet3: version 6

[Pankaj Gupta <pagupta@vmware.com>]

vmxnet3 version 6 supports some new features, including but
not limited to:
- Increased max MTU up to 9190
- Increased max number of queues, both for Rx and Tx
- Removes power-of-two limitations
- Extended interrupt structures, required implementation for
  additional number of queues

Tested, using testpmd, for different hardware version on
ESXi 7.0 Update 2.

Signed-off-by: Pankaj Gupta <pagupta@vmware.com>
Reviewed-by: Jochen Behrens <jbehrens@vmware.com>
---
 drivers/net/vmxnet3/base/vmxnet3_defs.h |  73 ++++++--
 drivers/net/vmxnet3/vmxnet3_ethdev.c    | 223 +++++++++++++++++-------
 drivers/net/vmxnet3/vmxnet3_ethdev.h    |  10 +-
 drivers/net/vmxnet3/vmxnet3_rxtx.c      |   2 +-
 4 files changed, 229 insertions(+), 79 deletions(-)

diff --git a/drivers/net/vmxnet3/base/vmxnet3_defs.h b/drivers/net/vmxnet3/base/vmxnet3_defs.h
index 8d62b3e116..bd6695e69d 100644
--- a/drivers/net/vmxnet3/base/vmxnet3_defs.h
+++ b/drivers/net/vmxnet3/base/vmxnet3_defs.h
@@ -103,7 +103,11 @@ typedef enum {
    VMXNET3_CMD_GET_CONF_INTR,
    VMXNET3_CMD_GET_ADAPTIVE_RING_INFO,
    VMXNET3_CMD_GET_TXDATA_DESC_SIZE,
-   VMXNET3_CMD_RESERVED5,
+	VMXNET3_CMD_RESERVED5,
+	VMXNET3_CMD_RESERVED6,
+	VMXNET3_CMD_RESERVED7,
+	VMXNET3_CMD_RESERVED8,
+	VMXNET3_CMD_GET_MAX_QUEUES_CONF,
 } Vmxnet3_Cmd;
 
 /* Adaptive Ring Info Flags */
@@ -571,6 +575,24 @@ enum vmxnet3_intr_type {
 /* addition 1 for events */
 #define VMXNET3_MAX_INTRS      25
 
+/* Version 6 and later will use below macros */
+#define VMXNET3_EXT_MAX_TX_QUEUES  32
+#define VMXNET3_EXT_MAX_RX_QUEUES  32
+
+/* Version-dependent MAX RX/TX queues macro */
+#define MAX_RX_QUEUES(hw) \
+	(VMXNET3_VERSION_GE_6((hw)) ? \
+	VMXNET3_EXT_MAX_RX_QUEUES : \
+	VMXNET3_MAX_RX_QUEUES)
+#define MAX_TX_QUEUES(hw) \
+	(VMXNET3_VERSION_GE_6((hw)) ? \
+	VMXNET3_EXT_MAX_TX_QUEUES : \
+	VMXNET3_MAX_TX_QUEUES)
+
+/* addition 1 for events */
+#define VMXNET3_EXT_MAX_INTRS      65
+#define VMXNET3_FIRST_SET_INTRS    64
+
 /* value of intrCtrl */
 #define VMXNET3_IC_DISABLE_ALL  0x1   /* bit 0 */
 
@@ -587,6 +609,21 @@ struct Vmxnet3_IntrConf {
 #include "vmware_pack_end.h"
 Vmxnet3_IntrConf;
 
+typedef
+#include "vmware_pack_begin.h"
+struct Vmxnet3_IntrConfExt {
+	uint8    autoMask;
+	uint8    numIntrs;      /* # of interrupts */
+	uint8    eventIntrIdx;
+	uint8    reserved;
+	__le32   intrCtrl;
+	__le32   reserved1;
+	uint8    modLevels[VMXNET3_EXT_MAX_INTRS]; /* moderation level for each intr */
+	uint8    reserved2[3];
+}
+#include "vmware_pack_end.h"
+Vmxnet3_IntrConfExt;
+
 /* one bit per VLAN ID, the size is in the units of uint32 */
 #define VMXNET3_VFT_SIZE  (4096 / (sizeof(uint32) * 8))
 
@@ -692,6 +729,15 @@ struct Vmxnet3_DSDevRead {
 #include "vmware_pack_end.h"
 Vmxnet3_DSDevRead;
 
+typedef
+#include "vmware_pack_begin.h"
+struct Vmxnet3_DSDevReadExt {
+	/* read-only region for device, read by dev in response to a SET cmd */
+	struct Vmxnet3_IntrConfExt    intrConfExt;
+}
+#include "vmware_pack_end.h"
+Vmxnet3_DSDevReadExt;
+
 typedef
 #include "vmware_pack_begin.h"
 struct Vmxnet3_TxQueueDesc {
@@ -778,18 +824,18 @@ Vmxnet3_CmdInfo;
 typedef
 #include "vmware_pack_begin.h"
 struct Vmxnet3_DriverShared {
-   __le32               magic;
-   __le32               pad; /* make devRead start at 64-bit boundaries */
-   Vmxnet3_DSDevRead    devRead;
-   __le32               ecr;
-   __le32               reserved;
-
-   union {
-      __le32            reserved1[4];
-      Vmxnet3_CmdInfo   cmdInfo; /* only valid in the context of executing the
-				  * relevant command
-				  */
-   } cu;
+	__le32               magic;
+	__le32               size;    /* size of DriverShared */
+	Vmxnet3_DSDevRead    devRead;
+	__le32               ecr;
+	__le32               reserved;
+
+	union {
+		__le32			reserved1[4];
+		/* only valid in the context of executing the relevant command */
+		Vmxnet3_CmdInfo	cmdInfo;
+	} cu;
+	struct Vmxnet3_DSDevReadExt   devReadExt;
 }
 #include "vmware_pack_end.h"
 Vmxnet3_DriverShared;
@@ -821,6 +867,7 @@ do {\
    ((vfTable[vid >> 5] & (1 << (vid & 31))) != 0)
 
 #define VMXNET3_MAX_MTU     9000
+#define VMXNET3_V6_MAX_MTU  9190
 #define VMXNET3_MIN_MTU     60
 
 #define VMXNET3_LINK_UP         (10000 << 16 | 1)    // 10 Gbps, up
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index 30a0026ade..357fec09af 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -222,24 +222,20 @@ vmxnet3_disable_intr(struct vmxnet3_hw *hw, unsigned int intr_idx)
 }
 
 /*
- * Enable all intrs used by the device
+ * Simple helper to get intrCtrl and eventIntrIdx based on config and hw version
  */
 static void
-vmxnet3_enable_all_intrs(struct vmxnet3_hw *hw)
+vmxnet3_get_intr_ctrl_ev(struct vmxnet3_hw *hw,
+			 uint8 **out_eventIntrIdx,
+			 uint32 **out_intrCtrl)
 {
-	Vmxnet3_DSDevRead *devRead = &hw->shared->devRead;
-
-	PMD_INIT_FUNC_TRACE();
 
-	devRead->intrConf.intrCtrl &= rte_cpu_to_le_32(~VMXNET3_IC_DISABLE_ALL);
-
-	if (hw->intr.lsc_only) {
-		vmxnet3_enable_intr(hw, devRead->intrConf.eventIntrIdx);
+	if (VMXNET3_VERSION_GE_6(hw) && hw->queuesExtEnabled) {
+		*out_eventIntrIdx = &hw->shared->devReadExt.intrConfExt.eventIntrIdx;
+		*out_intrCtrl = &hw->shared->devReadExt.intrConfExt.intrCtrl;
 	} else {
-		int i;
-
-		for (i = 0; i < hw->intr.num_intrs; i++)
-			vmxnet3_enable_intr(hw, i);
+		*out_eventIntrIdx = &hw->shared->devRead.intrConf.eventIntrIdx;
+		*out_intrCtrl = &hw->shared->devRead.intrConf.intrCtrl;
 	}
 }
 
@@ -250,15 +246,42 @@ static void
 vmxnet3_disable_all_intrs(struct vmxnet3_hw *hw)
 {
 	int i;
+	uint8 *eventIntrIdx;
+	uint32 *intrCtrl;
 
 	PMD_INIT_FUNC_TRACE();
+	vmxnet3_get_intr_ctrl_ev(hw, &eventIntrIdx, &intrCtrl);
+
+	*intrCtrl |= rte_cpu_to_le_32(VMXNET3_IC_DISABLE_ALL);
 
-	hw->shared->devRead.intrConf.intrCtrl |=
-		rte_cpu_to_le_32(VMXNET3_IC_DISABLE_ALL);
-	for (i = 0; i < hw->num_intrs; i++)
+	for (i = 0; i < hw->intr.num_intrs; i++)
 		vmxnet3_disable_intr(hw, i);
 }
 
+/*
+ * Enable all intrs used by the device
+ */
+static void
+vmxnet3_enable_all_intrs(struct vmxnet3_hw *hw)
+{
+	uint8 *eventIntrIdx;
+	uint32 *intrCtrl;
+
+	PMD_INIT_FUNC_TRACE();
+	vmxnet3_get_intr_ctrl_ev(hw, &eventIntrIdx, &intrCtrl);
+
+	*intrCtrl &= rte_cpu_to_le_32(~VMXNET3_IC_DISABLE_ALL);
+
+	if (hw->intr.lsc_only) {
+		vmxnet3_enable_intr(hw, *eventIntrIdx);
+	} else {
+		int i;
+
+		for (i = 0; i < hw->intr.num_intrs; i++)
+			vmxnet3_enable_intr(hw, i);
+	}
+}
+
 /*
  * Gets tx data ring descriptor size.
  */
@@ -333,7 +356,11 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev)
 	/* Check h/w version compatibility with driver. */
 	ver = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_VRRS);
 
-	if (ver & (1 << VMXNET3_REV_5)) {
+	if (ver & (1 << VMXNET3_REV_6)) {
+		VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_VRRS,
+				       1 << VMXNET3_REV_6);
+		hw->version = VMXNET3_REV_6 + 1;
+	} else if (ver & (1 << VMXNET3_REV_5)) {
 		VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_VRRS,
 				       1 << VMXNET3_REV_5);
 		hw->version = VMXNET3_REV_5 + 1;
@@ -508,15 +535,22 @@ vmxnet3_dev_configure(struct rte_eth_dev *dev)
 	if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)
 		dev->data->dev_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH;
 
-	if (dev->data->nb_tx_queues > VMXNET3_MAX_TX_QUEUES ||
-	    dev->data->nb_rx_queues > VMXNET3_MAX_RX_QUEUES) {
-		PMD_INIT_LOG(ERR, "ERROR: Number of queues not supported");
-		return -EINVAL;
+	if (!VMXNET3_VERSION_GE_6(hw)) {
+		if (!rte_is_power_of_2(dev->data->nb_rx_queues)) {
+			PMD_INIT_LOG(ERR,
+				     "ERROR: Number of rx queues not power of 2");
+			return -EINVAL;
+		}
 	}
 
-	if (!rte_is_power_of_2(dev->data->nb_rx_queues)) {
-		PMD_INIT_LOG(ERR, "ERROR: Number of rx queues not power of 2");
-		return -EINVAL;
+	/* At this point, the number of queues requested has already
+	 * been validated against dev_infos max queues by EAL
+	 */
+	if (dev->data->nb_rx_queues > VMXNET3_MAX_RX_QUEUES ||
+	    dev->data->nb_tx_queues > VMXNET3_MAX_TX_QUEUES) {
+		hw->queuesExtEnabled = 1;
+	} else {
+		hw->queuesExtEnabled = 0;
 	}
 
 	size = dev->data->nb_rx_queues * sizeof(struct Vmxnet3_TxQueueDesc) +
@@ -627,9 +661,9 @@ vmxnet3_configure_msix(struct rte_eth_dev *dev)
 		return -1;
 
 	intr_vector = dev->data->nb_rx_queues;
-	if (intr_vector > VMXNET3_MAX_RX_QUEUES) {
+	if (intr_vector > MAX_RX_QUEUES(hw)) {
 		PMD_INIT_LOG(ERR, "At most %d intr queues supported",
-			     VMXNET3_MAX_RX_QUEUES);
+			     MAX_RX_QUEUES(hw));
 		return -ENOTSUP;
 	}
 
@@ -777,6 +811,7 @@ vmxnet3_setup_driver_shared(struct rte_eth_dev *dev)
 	uint32_t mtu = dev->data->mtu;
 	Vmxnet3_DriverShared *shared = hw->shared;
 	Vmxnet3_DSDevRead *devRead = &shared->devRead;
+	struct Vmxnet3_DSDevReadExt *devReadExt = &shared->devReadExt;
 	uint64_t rx_offloads = dev->data->dev_conf.rxmode.offloads;
 	uint32_t i;
 	int ret;
@@ -853,13 +888,27 @@ vmxnet3_setup_driver_shared(struct rte_eth_dev *dev)
 	}
 
 	/* intr settings */
-	devRead->intrConf.autoMask = hw->intr.mask_mode == VMXNET3_IMM_AUTO;
-	devRead->intrConf.numIntrs = hw->intr.num_intrs;
-	for (i = 0; i < hw->intr.num_intrs; i++)
-		devRead->intrConf.modLevels[i] = hw->intr.mod_levels[i];
+	if (VMXNET3_VERSION_GE_6(hw) && hw->queuesExtEnabled) {
+		devReadExt->intrConfExt.autoMask = hw->intr.mask_mode ==
+						   VMXNET3_IMM_AUTO;
+		devReadExt->intrConfExt.numIntrs = hw->intr.num_intrs;
+		for (i = 0; i < hw->intr.num_intrs; i++)
+			devReadExt->intrConfExt.modLevels[i] =
+				hw->intr.mod_levels[i];
+
+		devReadExt->intrConfExt.eventIntrIdx = hw->intr.event_intr_idx;
+		devReadExt->intrConfExt.intrCtrl |=
+			rte_cpu_to_le_32(VMXNET3_IC_DISABLE_ALL);
+	} else {
+		devRead->intrConf.autoMask = hw->intr.mask_mode ==
+					     VMXNET3_IMM_AUTO;
+		devRead->intrConf.numIntrs = hw->intr.num_intrs;
+		for (i = 0; i < hw->intr.num_intrs; i++)
+			devRead->intrConf.modLevels[i] = hw->intr.mod_levels[i];
 
-	devRead->intrConf.eventIntrIdx = hw->intr.event_intr_idx;
-	devRead->intrConf.intrCtrl |= rte_cpu_to_le_32(VMXNET3_IC_DISABLE_ALL);
+		devRead->intrConf.eventIntrIdx = hw->intr.event_intr_idx;
+		devRead->intrConf.intrCtrl |= rte_cpu_to_le_32(VMXNET3_IC_DISABLE_ALL);
+	}
 
 	/* RxMode set to 0 of VMXNET3_RXM_xxx */
 	devRead->rxFilterConf.rxMode = 0;
@@ -937,18 +986,24 @@ vmxnet3_dev_start(struct rte_eth_dev *dev)
 		return -EINVAL;
 	}
 
-	/* Setup memory region for rx buffers */
-	ret = vmxnet3_dev_setup_memreg(dev);
-	if (ret == 0) {
-		VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
-				       VMXNET3_CMD_REGISTER_MEMREGS);
-		ret = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD);
-		if (ret != 0)
-			PMD_INIT_LOG(DEBUG,
-				     "Failed in setup memory region cmd\n");
-		ret = 0;
+	/* Check memregs restrictions first */
+	if (dev->data->nb_rx_queues <= VMXNET3_MAX_RX_QUEUES &&
+	    dev->data->nb_tx_queues <= VMXNET3_MAX_TX_QUEUES) {
+		ret = vmxnet3_dev_setup_memreg(dev);
+		if (ret == 0) {
+			VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
+					VMXNET3_CMD_REGISTER_MEMREGS);
+			ret = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD);
+			if (ret != 0)
+				PMD_INIT_LOG(DEBUG,
+					"Failed in setup memory region cmd\n");
+			ret = 0;
+		} else {
+			PMD_INIT_LOG(DEBUG, "Failed to setup memory region\n");
+		}
 	} else {
-		PMD_INIT_LOG(DEBUG, "Failed to setup memory region\n");
+		PMD_INIT_LOG(WARNING, "Memregs can't init (rx: %d, tx: %d)",
+			     dev->data->nb_rx_queues, dev->data->nb_tx_queues);
 	}
 
 	if (VMXNET3_VERSION_GE_4(hw) &&
@@ -1203,8 +1258,6 @@ vmxnet3_hw_stats_save(struct vmxnet3_hw *hw)
 
 	VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
 
-	RTE_BUILD_BUG_ON(RTE_ETHDEV_QUEUE_STAT_CNTRS < VMXNET3_MAX_TX_QUEUES);
-
 	for (i = 0; i < hw->num_tx_queues; i++)
 		vmxnet3_hw_tx_stats_get(hw, i, &hw->saved_tx_stats[i]);
 	for (i = 0; i < hw->num_rx_queues; i++)
@@ -1306,7 +1359,6 @@ vmxnet3_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 
 	VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
 
-	RTE_BUILD_BUG_ON(RTE_ETHDEV_QUEUE_STAT_CNTRS < VMXNET3_MAX_TX_QUEUES);
 	for (i = 0; i < hw->num_tx_queues; i++) {
 		vmxnet3_tx_stats_get(hw, i, &txStats);
 
@@ -1323,7 +1375,6 @@ vmxnet3_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 		stats->oerrors += txStats.pktsTxError + txStats.pktsTxDiscard;
 	}
 
-	RTE_BUILD_BUG_ON(RTE_ETHDEV_QUEUE_STAT_CNTRS < VMXNET3_MAX_RX_QUEUES);
 	for (i = 0; i < hw->num_rx_queues; i++) {
 		vmxnet3_rx_stats_get(hw, i, &rxStats);
 
@@ -1377,9 +1428,30 @@ vmxnet3_dev_info_get(struct rte_eth_dev *dev,
 		     struct rte_eth_dev_info *dev_info)
 {
 	struct vmxnet3_hw *hw = dev->data->dev_private;
+	int queues = 0;
+
+	if (VMXNET3_VERSION_GE_6(hw)) {
+		VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
+				       VMXNET3_CMD_GET_MAX_QUEUES_CONF);
+		queues = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD);
+
+		if (queues > 0) {
+#ifndef MIN
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#endif
+			dev_info->max_rx_queues =
+			  MIN(VMXNET3_EXT_MAX_RX_QUEUES, ((queues >> 8) & 0xff));
+			dev_info->max_tx_queues =
+			  MIN(VMXNET3_EXT_MAX_TX_QUEUES, (queues & 0xff));
+		} else {
+			dev_info->max_rx_queues = VMXNET3_MAX_RX_QUEUES;
+			dev_info->max_tx_queues = VMXNET3_MAX_TX_QUEUES;
+		}
+	} else {
+		dev_info->max_rx_queues = VMXNET3_MAX_RX_QUEUES;
+		dev_info->max_tx_queues = VMXNET3_MAX_TX_QUEUES;
+	}
 
-	dev_info->max_rx_queues = VMXNET3_MAX_RX_QUEUES;
-	dev_info->max_tx_queues = VMXNET3_MAX_TX_QUEUES;
 	dev_info->min_rx_bufsize = 1518 + RTE_PKTMBUF_HEADROOM;
 	dev_info->max_rx_pktlen = 16384; /* includes CRC, cf MAXFRS register */
 	dev_info->min_mtu = VMXNET3_MIN_MTU;
@@ -1430,24 +1502,50 @@ vmxnet3_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 }
 
 static int
-vmxnet3_dev_mtu_set(struct rte_eth_dev *dev, __rte_unused uint16_t mtu)
+vmxnet3_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
 {
-	if (dev->data->dev_started) {
-		PMD_DRV_LOG(ERR, "Port %d must be stopped to configure MTU",
-			    dev->data->port_id);
-		return -EBUSY;
-	}
+	struct vmxnet3_hw *hw = dev->data->dev_private;
 
+	rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)(hw->perm_addr));
+	vmxnet3_write_mac(hw, mac_addr->addr_bytes);
 	return 0;
 }
 
 static int
-vmxnet3_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
+vmxnet3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 {
 	struct vmxnet3_hw *hw = dev->data->dev_private;
+	uint32_t frame_size = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + 4;
+
+	if (mtu < VMXNET3_MIN_MTU)
+		return -EINVAL;
+
+	if (VMXNET3_VERSION_GE_6(hw)) {
+		if (mtu > VMXNET3_V6_MAX_MTU)
+			return -EINVAL;
+	} else {
+		if (mtu > VMXNET3_MAX_MTU) {
+			PMD_DRV_LOG(ERR, "MTU %d too large in device version v%d",
+				    mtu, hw->version);
+			return -EINVAL;
+		}
+	}
+
+	dev->data->mtu = mtu;
+	/* update max frame size */
+	dev->data->dev_conf.rxmode.mtu = frame_size;
+
+	if (dev->data->dev_started == 0)
+		return 0;
+
+    /* changing mtu for vmxnet3 pmd does not require a restart
+     * as it does not need to repopulate the rx rings to support
+     * different mtu size.  We stop and restart the device here
+     * just to pass the mtu info to the backend.
+     */
+	vmxnet3_dev_stop(dev);
+	vmxnet3_dev_start(dev);
 
-	rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)(hw->perm_addr));
-	vmxnet3_write_mac(hw, mac_addr->addr_bytes);
 	return 0;
 }
 
@@ -1668,11 +1766,14 @@ vmxnet3_interrupt_handler(void *param)
 {
 	struct rte_eth_dev *dev = param;
 	struct vmxnet3_hw *hw = dev->data->dev_private;
-	Vmxnet3_DSDevRead *devRead = &hw->shared->devRead;
 	uint32_t events;
+	uint8 *eventIntrIdx;
+	uint32 *intrCtrl;
 
 	PMD_INIT_FUNC_TRACE();
-	vmxnet3_disable_intr(hw, devRead->intrConf.eventIntrIdx);
+
+	vmxnet3_get_intr_ctrl_ev(hw, &eventIntrIdx, &intrCtrl);
+	vmxnet3_disable_intr(hw, *eventIntrIdx);
 
 	events = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_ECR);
 	if (events == 0)
@@ -1681,7 +1782,7 @@ vmxnet3_interrupt_handler(void *param)
 	RTE_LOG(DEBUG, PMD, "Reading events: 0x%X", events);
 	vmxnet3_process_events(dev);
 done:
-	vmxnet3_enable_intr(hw, devRead->intrConf.eventIntrIdx);
+	vmxnet3_enable_intr(hw, *eventIntrIdx);
 }
 
 static int
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.h b/drivers/net/vmxnet3/vmxnet3_ethdev.h
index ceaeb66392..5a303717b1 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.h
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.h
@@ -70,7 +70,7 @@ struct vmxnet3_intr {
 	enum vmxnet3_intr_type      type; /* MSI-X, MSI, or INTx? */
 	uint8_t num_intrs;                /* # of intr vectors */
 	uint8_t event_intr_idx;           /* idx of the intr vector for event */
-	uint8_t mod_levels[VMXNET3_MAX_MSIX_VECT]; /* moderation level */
+	uint8_t mod_levels[VMXNET3_EXT_MAX_INTRS]; /* moderation level */
 	bool lsc_only;                    /* no Rx queue interrupt */
 };
 
@@ -108,6 +108,7 @@ struct vmxnet3_hw {
 	uint64_t              queueDescPA;
 	uint16_t              queue_desc_len;
 	uint16_t              mtu;
+	bool                  queuesExtEnabled;
 
 	VMXNET3_RSSConf       *rss_conf;
 	uint64_t              rss_confPA;
@@ -117,19 +118,20 @@ struct vmxnet3_hw {
 	Vmxnet3_MemRegs	      *memRegs;
 	uint64_t	      memRegsPA;
 #define VMXNET3_VFT_TABLE_SIZE     (VMXNET3_VFT_SIZE * sizeof(uint32_t))
-	UPT1_TxStats	      saved_tx_stats[VMXNET3_MAX_TX_QUEUES];
-	UPT1_RxStats	      saved_rx_stats[VMXNET3_MAX_RX_QUEUES];
-
+	UPT1_TxStats	      saved_tx_stats[VMXNET3_EXT_MAX_TX_QUEUES];
+	UPT1_RxStats	      saved_rx_stats[VMXNET3_EXT_MAX_RX_QUEUES];
 	UPT1_TxStats          snapshot_tx_stats[VMXNET3_MAX_TX_QUEUES];
 	UPT1_RxStats          snapshot_rx_stats[VMXNET3_MAX_RX_QUEUES];
 };
 
+#define VMXNET3_REV_6		5		/* Vmxnet3 Rev. 6 */
 #define VMXNET3_REV_5		4		/* Vmxnet3 Rev. 5 */
 #define VMXNET3_REV_4		3		/* Vmxnet3 Rev. 4 */
 #define VMXNET3_REV_3		2		/* Vmxnet3 Rev. 3 */
 #define VMXNET3_REV_2		1		/* Vmxnet3 Rev. 2 */
 #define VMXNET3_REV_1		0		/* Vmxnet3 Rev. 1 */
 
+#define VMXNET3_VERSION_GE_6(hw) ((hw)->version >= VMXNET3_REV_6 + 1)
 #define VMXNET3_VERSION_GE_5(hw) ((hw)->version >= VMXNET3_REV_5 + 1)
 #define VMXNET3_VERSION_GE_4(hw) ((hw)->version >= VMXNET3_REV_4 + 1)
 #define VMXNET3_VERSION_GE_3(hw) ((hw)->version >= VMXNET3_REV_3 + 1)
diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c
index e15b377d8c..c94e3762e6 100644
--- a/drivers/net/vmxnet3/vmxnet3_rxtx.c
+++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c
@@ -1400,7 +1400,7 @@ vmxnet3_rss_configure(struct rte_eth_dev *dev)
 	/* loading hashKeySize */
 	dev_rss_conf->hashKeySize = VMXNET3_RSS_MAX_KEY_SIZE;
 	/* loading indTableSize: Must not exceed VMXNET3_RSS_MAX_IND_TABLE_SIZE (128)*/
-	dev_rss_conf->indTableSize = (uint16_t)(hw->num_rx_queues * 4);
+	dev_rss_conf->indTableSize = (uint16_t)((MAX_RX_QUEUES(hw)) * 4);
 
 	if (port_rss_conf->rss_key == NULL) {
 		/* Default hash key */
-- 
2.17.1