[dpdk-dev] net/ixgbe: fix dcb configuration issue
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Commit Message
This patch removed unnecessary check in ixgbe_check_mq_mode,
fixed historical issue.
Fixes: 27b609cbd1c6 ("ethdev: move the multi-queue mode check to specific drivers")
Cc: stable@dpdk.org
Signed-off-by: Qiming Yang <qiming.yang@intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 37 -------------------------------------
1 file changed, 37 deletions(-)
Comments
Hi Qiming
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org]
> Sent: Thursday, May 17, 2018 9:23 PM
> To: dev@dpdk.org
> Cc: Wu, Jingjing <jingjing.wu@intel.com>; Lu, Wenzhuo
> <wenzhuo.lu@intel.com>; Yang, Qiming <qiming.yang@intel.com>;
> stable@dpdk.org
> Subject: [dpdk-dev] [PATCH] net/ixgbe: fix dcb configuration issue
>
> This patch removed unnecessary check in ixgbe_check_mq_mode, fixed
> historical issue.
>
> Fixes: 27b609cbd1c6 ("ethdev: move the multi-queue mode check to specific
> drivers")
> Cc: stable@dpdk.org
>
> Signed-off-by: Qiming Yang <qiming.yang@intel.com>
> ---
> drivers/net/ixgbe/ixgbe_ethdev.c | 37 -------------------------------------
> 1 file changed, 37 deletions(-)
>
> diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
> b/drivers/net/ixgbe/ixgbe_ethdev.c
> index f5006bc..9e3ae95 100644
> --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> @@ -2300,43 +2300,6 @@ ixgbe_check_mq_mode(struct rte_eth_dev *dev)
> }
> }
>
> - /* For DCB mode check our configuration before we go further */
> - if (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) {
> - const struct rte_eth_dcb_rx_conf *conf;
> -
> - if (nb_rx_q != IXGBE_DCB_NB_QUEUES) {
> - PMD_INIT_LOG(ERR, "DCB selected, nb_rx_q != %d.",
> - IXGBE_DCB_NB_QUEUES);
> - return -EINVAL;
> - }
> - conf = &dev_conf->rx_adv_conf.dcb_rx_conf;
> - if (!(conf->nb_tcs == ETH_4_TCS ||
> - conf->nb_tcs == ETH_8_TCS)) {
I guess, we should not remove all check, for nb_tcs, it still valid, right?
> - PMD_INIT_LOG(ERR, "DCB selected, nb_tcs != %d"
> - " and nb_tcs != %d.",
> - ETH_4_TCS, ETH_8_TCS);
> - return -EINVAL;
> - }
> - }
> -
> - if (dev_conf->txmode.mq_mode == ETH_MQ_TX_DCB) {
> - const struct rte_eth_dcb_tx_conf *conf;
> -
> - if (nb_tx_q != IXGBE_DCB_NB_QUEUES) {
> - PMD_INIT_LOG(ERR, "DCB, nb_tx_q != %d.",
> - IXGBE_DCB_NB_QUEUES);
> - return -EINVAL;
> - }
> - conf = &dev_conf->tx_adv_conf.dcb_tx_conf;
> - if (!(conf->nb_tcs == ETH_4_TCS ||
> - conf->nb_tcs == ETH_8_TCS)) {
Same to rx.
> - PMD_INIT_LOG(ERR, "DCB selected, nb_tcs != %d"
> - " and nb_tcs != %d.",
> - ETH_4_TCS, ETH_8_TCS);
> - return -EINVAL;
> - }
> - }
> -
> /*
> * When DCB/VT is off, maximum number of queues changes,
> * except for 82598EB, which remains constant.
> --
> 2.9.5
I'll send v2 later.
> -----Original Message-----
> From: Zhang, Qi Z
> Sent: Thursday, May 17, 2018 9:19 PM
> To: dev@dpdk.org
> Cc: Wu, Jingjing <jingjing.wu@intel.com>; Lu, Wenzhuo
> <wenzhuo.lu@intel.com>; Yang, Qiming <qiming.yang@intel.com>;
> stable@dpdk.org
> Subject: RE: [dpdk-dev] [PATCH] net/ixgbe: fix dcb configuration issue
>
> Hi Qiming
>
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org]
> > Sent: Thursday, May 17, 2018 9:23 PM
> > To: dev@dpdk.org
> > Cc: Wu, Jingjing <jingjing.wu@intel.com>; Lu, Wenzhuo
> > <wenzhuo.lu@intel.com>; Yang, Qiming <qiming.yang@intel.com>;
> > stable@dpdk.org
> > Subject: [dpdk-dev] [PATCH] net/ixgbe: fix dcb configuration issue
> >
> > This patch removed unnecessary check in ixgbe_check_mq_mode, fixed
> > historical issue.
> >
> > Fixes: 27b609cbd1c6 ("ethdev: move the multi-queue mode check to
> > specific
> > drivers")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Qiming Yang <qiming.yang@intel.com>
> > ---
> > drivers/net/ixgbe/ixgbe_ethdev.c | 37
> > -------------------------------------
> > 1 file changed, 37 deletions(-)
> >
> > diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
> > b/drivers/net/ixgbe/ixgbe_ethdev.c
> > index f5006bc..9e3ae95 100644
> > --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> > +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> > @@ -2300,43 +2300,6 @@ ixgbe_check_mq_mode(struct rte_eth_dev *dev)
> > }
> > }
> >
> > - /* For DCB mode check our configuration before we go further
> */
> > - if (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) {
> > - const struct rte_eth_dcb_rx_conf *conf;
> > -
> > - if (nb_rx_q != IXGBE_DCB_NB_QUEUES) {
> > - PMD_INIT_LOG(ERR, "DCB selected,
> nb_rx_q != %d.",
> > - IXGBE_DCB_NB_QUEUES);
> > - return -EINVAL;
> > - }
> > - conf = &dev_conf->rx_adv_conf.dcb_rx_conf;
> > - if (!(conf->nb_tcs == ETH_4_TCS ||
> > - conf->nb_tcs == ETH_8_TCS)) {
>
> I guess, we should not remove all check, for nb_tcs, it still valid, right?
>
> > - PMD_INIT_LOG(ERR, "DCB selected,
> nb_tcs != %d"
> > - " and nb_tcs != %d.",
> > - ETH_4_TCS, ETH_8_TCS);
> > - return -EINVAL;
> > - }
> > - }
> > -
> > - if (dev_conf->txmode.mq_mode == ETH_MQ_TX_DCB) {
> > - const struct rte_eth_dcb_tx_conf *conf;
> > -
> > - if (nb_tx_q != IXGBE_DCB_NB_QUEUES) {
> > - PMD_INIT_LOG(ERR, "DCB, nb_tx_q != %d.",
> > - IXGBE_DCB_NB_QUEUES);
> > - return -EINVAL;
> > - }
> > - conf = &dev_conf->tx_adv_conf.dcb_tx_conf;
> > - if (!(conf->nb_tcs == ETH_4_TCS ||
> > - conf->nb_tcs == ETH_8_TCS)) {
> Same to rx.
> > - PMD_INIT_LOG(ERR, "DCB selected,
> nb_tcs != %d"
> > - " and nb_tcs != %d.",
> > - ETH_4_TCS, ETH_8_TCS);
> > - return -EINVAL;
> > - }
> > - }
> > -
> > /*
> > * When DCB/VT is off, maximum number of queues changes,
> > * except for 82598EB, which remains constant.
> > --
> > 2.9.5
> -----Original Message-----
> From: Yang, Qiming
> Sent: Thursday, May 17, 2018 9:23 PM
> To: dev@dpdk.org
> Cc: Wu, Jingjing <jingjing.wu@intel.com>; Lu, Wenzhuo <wenzhuo.lu@intel.com>; Yang,
> Qiming <qiming.yang@intel.com>; stable@dpdk.org
> Subject: [PATCH] net/ixgbe: fix dcb configuration issue
>
> This patch removed unnecessary check in ixgbe_check_mq_mode,
> fixed historical issue.
>
Hi, Qiming
Sorry, I didn't understand why the check is unnecessary, amd what is the historical issue?
Could you add a bit more comments here?
Thanks
Jingjing
@@ -2300,43 +2300,6 @@ ixgbe_check_mq_mode(struct rte_eth_dev *dev)
}
}
- /* For DCB mode check our configuration before we go further */
- if (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) {
- const struct rte_eth_dcb_rx_conf *conf;
-
- if (nb_rx_q != IXGBE_DCB_NB_QUEUES) {
- PMD_INIT_LOG(ERR, "DCB selected, nb_rx_q != %d.",
- IXGBE_DCB_NB_QUEUES);
- return -EINVAL;
- }
- conf = &dev_conf->rx_adv_conf.dcb_rx_conf;
- if (!(conf->nb_tcs == ETH_4_TCS ||
- conf->nb_tcs == ETH_8_TCS)) {
- PMD_INIT_LOG(ERR, "DCB selected, nb_tcs != %d"
- " and nb_tcs != %d.",
- ETH_4_TCS, ETH_8_TCS);
- return -EINVAL;
- }
- }
-
- if (dev_conf->txmode.mq_mode == ETH_MQ_TX_DCB) {
- const struct rte_eth_dcb_tx_conf *conf;
-
- if (nb_tx_q != IXGBE_DCB_NB_QUEUES) {
- PMD_INIT_LOG(ERR, "DCB, nb_tx_q != %d.",
- IXGBE_DCB_NB_QUEUES);
- return -EINVAL;
- }
- conf = &dev_conf->tx_adv_conf.dcb_tx_conf;
- if (!(conf->nb_tcs == ETH_4_TCS ||
- conf->nb_tcs == ETH_8_TCS)) {
- PMD_INIT_LOG(ERR, "DCB selected, nb_tcs != %d"
- " and nb_tcs != %d.",
- ETH_4_TCS, ETH_8_TCS);
- return -EINVAL;
- }
- }
-
/*
* When DCB/VT is off, maximum number of queues changes,
* except for 82598EB, which remains constant.