patches for DPDK stable branches
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From: "Wang, Xiao W" <xiao.w.wang@intel.com>
To: "Chen, Jing D" <jing.d.chen@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH] net/fm10k: initialize link status in device start
Date: Thu, 22 Jun 2017 02:31:38 +0000	[thread overview]
Message-ID: <B7F2E978279D1D49A3034B7786DACF406F796040@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <4341B239C0EFF9468EE453F9E9F4604D3C66E99C@shsmsx102.ccr.corp.intel.com>

Hi,

> -----Original Message-----
> From: Chen, Jing D
> Sent: Wednesday, June 21, 2017 10:36 AM
> To: Wang, Xiao W <xiao.w.wang@intel.com>
> Cc: dev@dpdk.org; stable@dpdk.org
> Subject: RE: [PATCH] net/fm10k: initialize link status in device start
> 
> Hi,
> 
> > -----Original Message-----
> > From: Wang, Xiao W
> > Sent: Wednesday, May 31, 2017 7:07 PM
> > To: Chen, Jing D <jing.d.chen@intel.com>
> > Cc: dev@dpdk.org; Wang, Xiao W <xiao.w.wang@intel.com>;
> > stable@dpdk.org
> > Subject: [PATCH] net/fm10k: initialize link status in device start
> >
> > If port LSC interrupt is configured, application will read link status directly,
> so
> > driver need to prepare that value in advance.
> 
> Fm10k host driver can't manage PHY directly and provide a fake link status,
> so it always provide a constant value, whatever lsc is set or not.
> I think you need to reorganize the message. :)

OK, thanks.
> 
> >
> > Fixes: 9ae6068c86da ("fm10k: add dev start/stop")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
> > ---
> >  drivers/net/fm10k/fm10k_ethdev.c | 5 +++++
> >  1 file changed, 5 insertions(+)
> >
> > diff --git a/drivers/net/fm10k/fm10k_ethdev.c
> > b/drivers/net/fm10k/fm10k_ethdev.c
> > index a742eec..54bf10c 100644
> > --- a/drivers/net/fm10k/fm10k_ethdev.c
> > +++ b/drivers/net/fm10k/fm10k_ethdev.c
> > @@ -84,6 +84,8 @@ static void fm10k_MAC_filter_set(struct rte_eth_dev
> > *dev,  static void fm10k_set_rx_function(struct rte_eth_dev *dev);  static
> > void fm10k_set_tx_function(struct rte_eth_dev *dev);  static int
> > fm10k_check_ftag(struct rte_devargs *devargs);
> > +static int fm10k_link_update(struct rte_eth_dev *dev,
> > +	__rte_unused int wait_to_complete);
> >
> >  struct fm10k_xstats_name_off {
> >  	char name[RTE_ETH_XSTATS_NAME_SIZE];
> > @@ -1166,6 +1168,9 @@ static inline int fm10k_glort_valid(struct
> fm10k_hw
> > *hw)
> >  	if (!(dev->data->dev_conf.rxmode.mq_mode &
> > ETH_MQ_RX_VMDQ_FLAG))
> >  		fm10k_vlan_filter_set(dev, hw->mac.default_vid, true);
> >
> > +	if (dev->data->dev_conf.intr_conf.lsc != 0)
> > +		fm10k_link_update(dev, 0);
> > +
> 
> I'll recommend updating link status anyway when port starts, not considering
> lsc set status.

Agree, will send v2.

BRs,
Xiao

  reply	other threads:[~2017-06-22  2:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-31 11:07 Xiao Wang
2017-06-21  2:35 ` Chen, Jing D
2017-06-22  2:31   ` Wang, Xiao W [this message]
2017-06-22 11:20 ` [dpdk-stable] [PATCH v2] " Xiao Wang
2017-06-22  3:07   ` Chen, Jing D
2017-06-22 11:33     ` Ferruh Yigit

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