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From: "Sun, GuinanX" <guinanx.sun@intel.com>
To: "Zhao1, Wei" <wei.zhao1@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "stable@dpdk.org" <stable@dpdk.org>,
	"Yang, Qiming" <qiming.yang@intel.com>,
	"Ye, Xiaolong" <xiaolong.ye@intel.com>
Subject: Re: [dpdk-dev] [PATCH] net/ixgbe: delete MAC control frame fwd in struct adapter
Date: Sat, 23 May 2020 02:35:41 +0000	[thread overview]
Message-ID: <05758BDAD7FC8E4BAED63D0390A8A955857454@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <MWHPR11MB13917B712CFC69E062E2BF4AB7B40@MWHPR11MB1391.namprd11.prod.outlook.com>

Hi

> -----Original Message-----
> From: Zhao1, Wei
> Sent: Friday, May 22, 2020 5:47 PM
> To: Sun, GuinanX <guinanx.sun@intel.com>; dev@dpdk.org
> Cc: stable@dpdk.org; Yang, Qiming <qiming.yang@intel.com>; Ye, Xiaolong
> <xiaolong.ye@intel.com>
> Subject: RE: [PATCH] net/ixgbe: delete MAC control frame fwd in struct adapter
> 
> Hi,
> 
> > -----Original Message-----
> > From: Sun, GuinanX <guinanx.sun@intel.com>
> > Sent: Friday, May 22, 2020 2:12 PM
> > To: dev@dpdk.org
> > Cc: Zhao1, Wei <wei.zhao1@intel.com>; Sun, GuinanX
> > <guinanx.sun@intel.com>; stable@dpdk.org
> > Subject: [PATCH] net/ixgbe: delete MAC control frame fwd in struct
> > adapter
> >
> > If some user set mac_ctrl_frame_fwd to 1 from fc ops, then he do a
> > port reset process of
> >
> > testpmd> start
> > testpmd> set flow_ctrl mac_ctrl_frame_fwd on 0 stop port stop 0 port
> > testpmd> start 0 start
> >
> > Then after this process, the mac_ctrl_frame_fwd has been change to
> > "off", so we should delete "adapter->mac_ctrl_frame_fwd = 0;" from dev-stop.
> >
> > In addition, add a value to mac_ctrl_frame_fwd in the
> > ixgbe_flow_ctrl_get () function.
> >
> > Fixes: a524f550da6e ("net/ixgbe: fix flow control mode setting")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: SunGuinan <guinanx.sun@intel.com>
> > ---
> >  drivers/net/ixgbe/ixgbe_ethdev.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
> > b/drivers/net/ixgbe/ixgbe_ethdev.c
> > index f8a84c565..dd4023f01 100644
> > --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> > +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> > @@ -2939,8 +2939,6 @@ ixgbe_dev_stop(struct rte_eth_dev *dev)
> >
> >  adapter->rss_reta_updated = 0;
> >
> > -adapter->mac_ctrl_frame_fwd = 0;
> > -
> >  hw->adapter_stopped = true;
> >  }
> >
> > @@ -4754,6 +4752,8 @@ ixgbe_flow_ctrl_get(struct rte_eth_dev *dev,
> > struct rte_eth_fc_conf *fc_conf)
> >   * MFLCN register.
> >   */
> >  mflcn_reg = IXGBE_READ_REG(hw, IXGBE_MFLCN);
> > +fc_conf->mac_ctrl_frame_fwd = mflcn_reg;
> > +
> 
> 
> Error, that is not right!!

You are right, I will make corrections later.
In addition, the problem of ixgbe_flow_ctrl_get () and the timing of mac_ctrl_frame_fwd are two problems. 
I will make a patch set and release it later.

> 
> >  if (mflcn_reg & (IXGBE_MFLCN_RPFCE | IXGBE_MFLCN_RFCE))  rx_pause =
> > 1;  else
> > --
> > 2.17.1
> 


  reply	other threads:[~2020-05-23  2:35 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-22  6:12 Guinan Sun
2020-05-22  7:46 ` Yang, Qiming
2020-05-22  9:42 ` Zhao1, Wei
2020-05-22  9:46 ` Zhao1, Wei
2020-05-23  2:35   ` Sun, GuinanX [this message]
2020-05-23  5:22 ` [dpdk-dev] [PATCH v2 0/2] fix MAC ctrl frame fwd get Guinan Sun
2020-05-23  5:22   ` [dpdk-dev] [PATCH v2 1/2] net/ixgbe: fix incorrect MAC control frame forward Guinan Sun
2020-05-23  5:22   ` [dpdk-dev] [PATCH v2 2/2] net/ixgbe: fix flow control status get Guinan Sun
2020-06-02 10:54     ` Jiang, YuX
2020-05-23  9:43   ` [dpdk-dev] [PATCH v2 0/2] fix MAC ctrl frame fwd get Zhao1, Wei
2020-07-20  9:56   ` Zhao1, Wei
2020-07-20 10:42   ` Zhang, Qi Z

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