diff mbox

[dpdk-dev,v6,4/6] ether: Check VMDq RSS mode

Message ID 1421042352-22399-5-git-send-email-changchun.ouyang@intel.com (mailing list archive)
State Accepted, archived
Headers

Commit Message

Ouyang Changchun Jan. 12, 2015, 5:59 a.m. UTC 
  Check mq mode for VMDq RSS, handle it correctly instead of returning an error;
Also remove the limitation of per pool queue number has max value of 1, because
the per pool queue number could be 2 or 4 if it is VMDq RSS mode;

The number of rxq specified in config will determine the mq mode for VMDq RSS.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>

changes in v6:
  - More clear error message when queue number is invalid.

changes in v5:
  - Fix '<' issue, it should be '<=' to test rxq number;
  - Extract a function to remove the embeded switch-case statement.

---
 lib/librte_ether/rte_ethdev.c | 51 ++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 46 insertions(+), 5 deletions(-)

Comments

Vladislav Zolotarov Jan. 12, 2015, 2:06 p.m. UTC | #1 
On 01/12/15 07:59, Ouyang Changchun wrote:
> Check mq mode for VMDq RSS, handle it correctly instead of returning an error;
> Also remove the limitation of per pool queue number has max value of 1, because
> the per pool queue number could be 2 or 4 if it is VMDq RSS mode;
>
> The number of rxq specified in config will determine the mq mode for VMDq RSS.
>
> Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>


Reviewed-by: Vlad Zolotarov <vladz@cloudius-systems.com>

>
> changes in v6:
>    - More clear error message when queue number is invalid.
>
> changes in v5:
>    - Fix '<' issue, it should be '<=' to test rxq number;
>    - Extract a function to remove the embeded switch-case statement.
>
> ---
>   lib/librte_ether/rte_ethdev.c | 51 ++++++++++++++++++++++++++++++++++++++-----
>   1 file changed, 46 insertions(+), 5 deletions(-)
>
> diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
> index 95f2ceb..e9e3368 100644
> --- a/lib/librte_ether/rte_ethdev.c
> +++ b/lib/librte_ether/rte_ethdev.c
> @@ -503,6 +503,31 @@ rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
>   }
>   
>   static int
> +rte_eth_dev_check_vf_rss_rxq_num(uint8_t port_id, uint16_t nb_rx_q)
> +{
> +	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
> +	switch (nb_rx_q) {
> +	case 1:
> +	case 2:
> +		RTE_ETH_DEV_SRIOV(dev).active =
> +			ETH_64_POOLS;
> +		break;
> +	case 4:
> +		RTE_ETH_DEV_SRIOV(dev).active =
> +			ETH_32_POOLS;
> +		break;
> +	default:
> +		return -EINVAL;
> +	}
> +
> +	RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = nb_rx_q;
> +	RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx =
> +		dev->pci_dev->max_vfs * nb_rx_q;
> +
> +	return 0;
> +}
> +
> +static int
>   rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
>   		      const struct rte_eth_conf *dev_conf)
>   {
> @@ -510,8 +535,7 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
>   
>   	if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
>   		/* check multi-queue mode */
> -		if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) ||
> -		    (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
> +		if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
>   		    (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB_RSS) ||
>   		    (dev_conf->txmode.mq_mode == ETH_MQ_TX_DCB)) {
>   			/* SRIOV only works in VMDq enable mode */
> @@ -525,7 +549,6 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
>   		}
>   
>   		switch (dev_conf->rxmode.mq_mode) {
> -		case ETH_MQ_RX_VMDQ_RSS:
>   		case ETH_MQ_RX_VMDQ_DCB:
>   		case ETH_MQ_RX_VMDQ_DCB_RSS:
>   			/* DCB/RSS VMDQ in SRIOV mode, not implement yet */
> @@ -534,6 +557,26 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
>   					"unsupported VMDQ mq_mode rx %u\n",
>   					port_id, dev_conf->rxmode.mq_mode);
>   			return (-EINVAL);
> +		case ETH_MQ_RX_RSS:
> +			PMD_DEBUG_TRACE("ethdev port_id=%" PRIu8
> +					" SRIOV active, "
> +					"Rx mq mode is changed from:"
> +					"mq_mode %u into VMDQ mq_mode %u\n",
> +					port_id,
> +					dev_conf->rxmode.mq_mode,
> +					dev->data->dev_conf.rxmode.mq_mode);
> +		case ETH_MQ_RX_VMDQ_RSS:
> +			dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_RSS;
> +			if (nb_rx_q <= RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool)
> +				if (rte_eth_dev_check_vf_rss_rxq_num(port_id, nb_rx_q) != 0) {
> +					PMD_DEBUG_TRACE("ethdev port_id=%d"
> +						" SRIOV active, invalid queue"
> +						" number for VMDQ RSS, allowed"
> +						" value are 1, 2 or 4\n",
> +						port_id);
> +					return -EINVAL;
> +				}
> +			break;
>   		default: /* ETH_MQ_RX_VMDQ_ONLY or ETH_MQ_RX_NONE */
>   			/* if nothing mq mode configure, use default scheme */
>   			dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_ONLY;
> @@ -553,8 +596,6 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
>   		default: /* ETH_MQ_TX_VMDQ_ONLY or ETH_MQ_TX_NONE */
>   			/* if nothing mq mode configure, use default scheme */
>   			dev->data->dev_conf.txmode.mq_mode = ETH_MQ_TX_VMDQ_ONLY;
> -			if (RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool > 1)
> -				RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1;
>   			break;
>   		}
>
Thomas Monjalon Jan. 18, 2015, 10:04 p.m. UTC | #2 
2015-01-12 13:59, Ouyang Changchun:
> Check mq mode for VMDq RSS, handle it correctly instead of returning an error;
> Also remove the limitation of per pool queue number has max value of 1, because
> the per pool queue number could be 2 or 4 if it is VMDq RSS mode;
> 
> The number of rxq specified in config will determine the mq mode for VMDq RSS.
> 
> Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>

I feel that most of this code is Intel-specific and should go in ixgbe or
other PMDs if needed.
OK to apply this patch which improves the current codebase, but please,
start thinking how RSS/VMDQ/DCB features are generic.
Wodkowski, PawelX Jan. 19, 2015, 10:31 a.m. UTC | #3 
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Ouyang Changchun
> Sent: Monday, January 12, 2015 6:59 AM
> To: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH v6 4/6] ether: Check VMDq RSS mode
> 
> Check mq mode for VMDq RSS, handle it correctly instead of returning an error;
> Also remove the limitation of per pool queue number has max value of 1,
> because
> the per pool queue number could be 2 or 4 if it is VMDq RSS mode;
> 
> The number of rxq specified in config will determine the mq mode for VMDq
> RSS.
> 
> Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
> 
> changes in v6:
>   - More clear error message when queue number is invalid.
> 
> changes in v5:
>   - Fix '<' issue, it should be '<=' to test rxq number;
>   - Extract a function to remove the embeded switch-case statement.
> 
> ---
>  lib/librte_ether/rte_ethdev.c | 51
> ++++++++++++++++++++++++++++++++++++++-----
>  1 file changed, 46 insertions(+), 5 deletions(-)
> 
> diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
> index 95f2ceb..e9e3368 100644
> --- a/lib/librte_ether/rte_ethdev.c
> +++ b/lib/librte_ether/rte_ethdev.c
> @@ -503,6 +503,31 @@ rte_eth_dev_tx_queue_config(struct rte_eth_dev
> *dev, uint16_t nb_queues)
>  }
> 
>  static int
> +rte_eth_dev_check_vf_rss_rxq_num(uint8_t port_id, uint16_t nb_rx_q)
> +{
> +	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
> +	switch (nb_rx_q) {
> +	case 1:
> +	case 2:
> +		RTE_ETH_DEV_SRIOV(dev).active =
> +			ETH_64_POOLS;
> +		break;
> +	case 4:
> +		RTE_ETH_DEV_SRIOV(dev).active =
> +			ETH_32_POOLS;
> +		break;
> +	default:
> +		return -EINVAL;
> +	}
> +
> +	RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = nb_rx_q;
> +	RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx =
> +		dev->pci_dev->max_vfs * nb_rx_q;
> +
> +	return 0;
> +}
> +
> +static int
>  rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t
> nb_tx_q,
>  		      const struct rte_eth_conf *dev_conf)
>  {
> @@ -510,8 +535,7 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t
> nb_rx_q, uint16_t nb_tx_q,
> 
>  	if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
>  		/* check multi-queue mode */
> -		if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) ||
> -		    (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
> +		if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
>  		    (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB_RSS) ||
>  		    (dev_conf->txmode.mq_mode == ETH_MQ_TX_DCB)) {
>  			/* SRIOV only works in VMDq enable mode */
> @@ -525,7 +549,6 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t
> nb_rx_q, uint16_t nb_tx_q,
>  		}
> 
>  		switch (dev_conf->rxmode.mq_mode) {
> -		case ETH_MQ_RX_VMDQ_RSS:
>  		case ETH_MQ_RX_VMDQ_DCB:
>  		case ETH_MQ_RX_VMDQ_DCB_RSS:
>  			/* DCB/RSS VMDQ in SRIOV mode, not implement yet
> */
> @@ -534,6 +557,26 @@ rte_eth_dev_check_mq_mode(uint8_t port_id,
> uint16_t nb_rx_q, uint16_t nb_tx_q,
>  					"unsupported VMDQ mq_mode rx
> %u\n",
>  					port_id, dev_conf-
> >rxmode.mq_mode);
>  			return (-EINVAL);
> +		case ETH_MQ_RX_RSS:
> +			PMD_DEBUG_TRACE("ethdev port_id=%" PRIu8
> +					" SRIOV active, "
> +					"Rx mq mode is changed from:"
> +					"mq_mode %u into VMDQ mq_mode
> %u\n",
> +					port_id,
> +					dev_conf->rxmode.mq_mode,
> +					dev->data-
> >dev_conf.rxmode.mq_mode);
> +		case ETH_MQ_RX_VMDQ_RSS:
> +			dev->data->dev_conf.rxmode.mq_mode =
> ETH_MQ_RX_VMDQ_RSS;
> +			if (nb_rx_q <=
> RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool)
> +				if (rte_eth_dev_check_vf_rss_rxq_num(port_id,
> nb_rx_q) != 0) {
> +					PMD_DEBUG_TRACE("ethdev
> port_id=%d"
> +						" SRIOV active, invalid queue"
> +						" number for VMDQ RSS,
> allowed"
> +						" value are 1, 2 or 4\n",
> +						port_id);
> +					return -EINVAL;
> +				}
> +			break;
>  		default: /* ETH_MQ_RX_VMDQ_ONLY or ETH_MQ_RX_NONE
> */
>  			/* if nothing mq mode configure, use default scheme */
>  			dev->data->dev_conf.rxmode.mq_mode =
> ETH_MQ_RX_VMDQ_ONLY;
> @@ -553,8 +596,6 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t
> nb_rx_q, uint16_t nb_tx_q,
>  		default: /* ETH_MQ_TX_VMDQ_ONLY or ETH_MQ_TX_NONE
> */
>  			/* if nothing mq mode configure, use default scheme */
>  			dev->data->dev_conf.txmode.mq_mode =
> ETH_MQ_TX_VMDQ_ONLY;
> -			if (RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool > 1)
> -				RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1;

Why you removed this completely?

>  			break;
>  		}
> 
> --
> 1.8.4.2
Ouyang Changchun Jan. 20, 2015, 1:03 a.m. UTC | #4 
> -----Original Message-----
> From: Wodkowski, PawelX
> Sent: Monday, January 19, 2015 6:31 PM
> To: Ouyang, Changchun; dev@dpdk.org
> Cc: Thomas Monjalon; Vlad Zolotarov
> Subject: RE: [dpdk-dev] [PATCH v6 4/6] ether: Check VMDq RSS mode
> 
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Ouyang
> Changchun
> > Sent: Monday, January 12, 2015 6:59 AM
> > To: dev@dpdk.org
> > Subject: [dpdk-dev] [PATCH v6 4/6] ether: Check VMDq RSS mode
> >
> > Check mq mode for VMDq RSS, handle it correctly instead of returning
> > an error; Also remove the limitation of per pool queue number has max
> > value of 1, because the per pool queue number could be 2 or 4 if it is
> > VMDq RSS mode;
> >
> > The number of rxq specified in config will determine the mq mode for
> > VMDq RSS.
> >
> > Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
> >
> > changes in v6:
> >   - More clear error message when queue number is invalid.
> >
> > changes in v5:
> >   - Fix '<' issue, it should be '<=' to test rxq number;
> >   - Extract a function to remove the embeded switch-case statement.
> >
> > ---
> >  lib/librte_ether/rte_ethdev.c | 51
> > ++++++++++++++++++++++++++++++++++++++-----
> >  1 file changed, 46 insertions(+), 5 deletions(-)
> >
> > diff --git a/lib/librte_ether/rte_ethdev.c
> > b/lib/librte_ether/rte_ethdev.c index 95f2ceb..e9e3368 100644
> > --- a/lib/librte_ether/rte_ethdev.c
> > +++ b/lib/librte_ether/rte_ethdev.c
> > @@ -503,6 +503,31 @@ rte_eth_dev_tx_queue_config(struct
> rte_eth_dev
> > *dev, uint16_t nb_queues)  }
> >
> >  static int
> > +rte_eth_dev_check_vf_rss_rxq_num(uint8_t port_id, uint16_t nb_rx_q)
> {
> > +	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
> > +	switch (nb_rx_q) {
> > +	case 1:
> > +	case 2:
> > +		RTE_ETH_DEV_SRIOV(dev).active =
> > +			ETH_64_POOLS;
> > +		break;
> > +	case 4:
> > +		RTE_ETH_DEV_SRIOV(dev).active =
> > +			ETH_32_POOLS;
> > +		break;
> > +	default:
> > +		return -EINVAL;
> > +	}
> > +
> > +	RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = nb_rx_q;
> > +	RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx =
> > +		dev->pci_dev->max_vfs * nb_rx_q;
> > +
> > +	return 0;
> > +}
> > +
> > +static int
> >  rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q,
> uint16_t
> > nb_tx_q,
> >  		      const struct rte_eth_conf *dev_conf)  { @@ -510,8 +535,7
> @@
> > rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q,
> uint16_t
> > nb_tx_q,
> >
> >  	if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
> >  		/* check multi-queue mode */
> > -		if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) ||
> > -		    (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
> > +		if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
> >  		    (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB_RSS)
> ||
> >  		    (dev_conf->txmode.mq_mode == ETH_MQ_TX_DCB)) {
> >  			/* SRIOV only works in VMDq enable mode */ @@ -
> 525,7 +549,6 @@
> > rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q,
> uint16_t
> > nb_tx_q,
> >  		}
> >
> >  		switch (dev_conf->rxmode.mq_mode) {
> > -		case ETH_MQ_RX_VMDQ_RSS:
> >  		case ETH_MQ_RX_VMDQ_DCB:
> >  		case ETH_MQ_RX_VMDQ_DCB_RSS:
> >  			/* DCB/RSS VMDQ in SRIOV mode, not implement
> yet */ @@ -534,6
> > +557,26 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t
> > nb_rx_q, uint16_t nb_tx_q,
> >  					"unsupported VMDQ mq_mode rx
> > %u\n",
> >  					port_id, dev_conf-
> > >rxmode.mq_mode);
> >  			return (-EINVAL);
> > +		case ETH_MQ_RX_RSS:
> > +			PMD_DEBUG_TRACE("ethdev port_id=%" PRIu8
> > +					" SRIOV active, "
> > +					"Rx mq mode is changed from:"
> > +					"mq_mode %u into VMDQ mq_mode
> > %u\n",
> > +					port_id,
> > +					dev_conf->rxmode.mq_mode,
> > +					dev->data-
> > >dev_conf.rxmode.mq_mode);
> > +		case ETH_MQ_RX_VMDQ_RSS:
> > +			dev->data->dev_conf.rxmode.mq_mode =
> > ETH_MQ_RX_VMDQ_RSS;
> > +			if (nb_rx_q <=
> > RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool)
> > +				if
> (rte_eth_dev_check_vf_rss_rxq_num(port_id,
> > nb_rx_q) != 0) {
> > +					PMD_DEBUG_TRACE("ethdev
> > port_id=%d"
> > +						" SRIOV active, invalid queue"
> > +						" number for VMDQ RSS,
> > allowed"
> > +						" value are 1, 2 or 4\n",
> > +						port_id);
> > +					return -EINVAL;
> > +				}
> > +			break;
> >  		default: /* ETH_MQ_RX_VMDQ_ONLY or
> ETH_MQ_RX_NONE */
> >  			/* if nothing mq mode configure, use default scheme
> */
> >  			dev->data->dev_conf.rxmode.mq_mode =
> ETH_MQ_RX_VMDQ_ONLY; @@
> > -553,8 +596,6 @@ rte_eth_dev_check_mq_mode(uint8_t port_id,
> uint16_t
> > nb_rx_q, uint16_t nb_tx_q,
> >  		default: /* ETH_MQ_TX_VMDQ_ONLY or
> ETH_MQ_TX_NONE */
> >  			/* if nothing mq mode configure, use default scheme
> */
> >  			dev->data->dev_conf.txmode.mq_mode =
> ETH_MQ_TX_VMDQ_ONLY;
> > -			if (RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool > 1)
> > -				RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool =
> 1;
> 
> Why you removed this completely?
> 
I have discuss this with Valid in previous email,
The reason for removing it, is that when  rxmode.mq_mode is ETH_MQ_RX_VMDQ_RSS, and txmode.mq_mode is ETH_MQ_TX_NONE,
The logic is incorrect, in such a case the nb_q_per_pool could be 1, or 2, or 4,
Forcedly set it into 1 will always disable the vf rss.

I see you will split nb_q_per_pool into nb_rxq_per_pool and nb_txq_per_pool, that's good way to meet rss, dcb different cases requirement,
So you need consider such case, don't break anything.
diff mbox

Patch

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 95f2ceb..e9e3368 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -503,6 +503,31 @@  rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 }
 
 static int
+rte_eth_dev_check_vf_rss_rxq_num(uint8_t port_id, uint16_t nb_rx_q)
+{
+	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
+	switch (nb_rx_q) {
+	case 1:
+	case 2:
+		RTE_ETH_DEV_SRIOV(dev).active =
+			ETH_64_POOLS;
+		break;
+	case 4:
+		RTE_ETH_DEV_SRIOV(dev).active =
+			ETH_32_POOLS;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = nb_rx_q;
+	RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx =
+		dev->pci_dev->max_vfs * nb_rx_q;
+
+	return 0;
+}
+
+static int
 rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 		      const struct rte_eth_conf *dev_conf)
 {
@@ -510,8 +535,7 @@  rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 
 	if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
 		/* check multi-queue mode */
-		if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) ||
-		    (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
+		if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
 		    (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB_RSS) ||
 		    (dev_conf->txmode.mq_mode == ETH_MQ_TX_DCB)) {
 			/* SRIOV only works in VMDq enable mode */
@@ -525,7 +549,6 @@  rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 		}
 
 		switch (dev_conf->rxmode.mq_mode) {
-		case ETH_MQ_RX_VMDQ_RSS:
 		case ETH_MQ_RX_VMDQ_DCB:
 		case ETH_MQ_RX_VMDQ_DCB_RSS:
 			/* DCB/RSS VMDQ in SRIOV mode, not implement yet */
@@ -534,6 +557,26 @@  rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 					"unsupported VMDQ mq_mode rx %u\n",
 					port_id, dev_conf->rxmode.mq_mode);
 			return (-EINVAL);
+		case ETH_MQ_RX_RSS:
+			PMD_DEBUG_TRACE("ethdev port_id=%" PRIu8
+					" SRIOV active, "
+					"Rx mq mode is changed from:"
+					"mq_mode %u into VMDQ mq_mode %u\n",
+					port_id,
+					dev_conf->rxmode.mq_mode,
+					dev->data->dev_conf.rxmode.mq_mode);
+		case ETH_MQ_RX_VMDQ_RSS:
+			dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_RSS;
+			if (nb_rx_q <= RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool)
+				if (rte_eth_dev_check_vf_rss_rxq_num(port_id, nb_rx_q) != 0) {
+					PMD_DEBUG_TRACE("ethdev port_id=%d"
+						" SRIOV active, invalid queue"
+						" number for VMDQ RSS, allowed"
+						" value are 1, 2 or 4\n",
+						port_id);
+					return -EINVAL;
+				}
+			break;
 		default: /* ETH_MQ_RX_VMDQ_ONLY or ETH_MQ_RX_NONE */
 			/* if nothing mq mode configure, use default scheme */
 			dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_ONLY;
@@ -553,8 +596,6 @@  rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 		default: /* ETH_MQ_TX_VMDQ_ONLY or ETH_MQ_TX_NONE */
 			/* if nothing mq mode configure, use default scheme */
 			dev->data->dev_conf.txmode.mq_mode = ETH_MQ_TX_VMDQ_ONLY;
-			if (RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool > 1)
-				RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1;
 			break;
 		}