diff mbox series

[v4,4/9] net/gve: add support for link update

Message ID 20220927073255.1803892-5-junfeng.guo@intel.com (mailing list archive)
State Changes Requested, archived
Delegated to: Ferruh Yigit
Headers
Series introduce GVE PMD |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Junfeng Guo Sept. 27, 2022, 7:32 a.m. UTC 
  Support dev_ops link_update.

Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
---
 doc/guides/nics/features/gve.ini |  2 ++
 drivers/net/gve/gve_ethdev.c     | 30 ++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

Comments

Ferruh Yigit Oct. 6, 2022, 2:23 p.m. UTC | #1 
On 9/27/2022 8:32 AM, Junfeng Guo wrote:

> 
> Support dev_ops link_update.
> 
> Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
> Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
> ---
>   doc/guides/nics/features/gve.ini |  2 ++
>   drivers/net/gve/gve_ethdev.c     | 30 ++++++++++++++++++++++++++++++
>   2 files changed, 32 insertions(+)
> 
> diff --git a/doc/guides/nics/features/gve.ini b/doc/guides/nics/features/gve.ini
> index 44aec28009..d03e3ac89e 100644
> --- a/doc/guides/nics/features/gve.ini
> +++ b/doc/guides/nics/features/gve.ini
> @@ -4,6 +4,8 @@
>   ; Refer to default.ini for the full list of available PMD features.
>   ;
>   [Features]
> +Speed capabilities   = Y

'Speed capabilities' is when device reports supported speeds in 
'rte_eth_dev_info_get()', so it shouldn't be in this patch.

Please check 'doc/guides/nics/features.rst' for more details.
Junfeng Guo Oct. 9, 2022, 9:14 a.m. UTC | #2 
> -----Original Message-----
> From: Ferruh Yigit <ferruh.yigit@amd.com>
> Sent: Thursday, October 6, 2022 22:23
> To: Guo, Junfeng <junfeng.guo@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>; Wu, Jingjing <jingjing.wu@intel.com>
> Cc: ferruh.yigit@xilinx.com; dev@dpdk.org; Li, Xiaoyun
> <xiaoyun.li@intel.com>; awogbemila@google.com; Richardson, Bruce
> <bruce.richardson@intel.com>; Lin, Xueqin <xueqin.lin@intel.com>
> Subject: Re: [PATCH v4 4/9] net/gve: add support for link update
> 
> On 9/27/2022 8:32 AM, Junfeng Guo wrote:
> 
> >
> > Support dev_ops link_update.
> >
> > Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
> > Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
> > ---
> >   doc/guides/nics/features/gve.ini |  2 ++
> >   drivers/net/gve/gve_ethdev.c     | 30
> ++++++++++++++++++++++++++++++
> >   2 files changed, 32 insertions(+)
> >
> > diff --git a/doc/guides/nics/features/gve.ini
> b/doc/guides/nics/features/gve.ini
> > index 44aec28009..d03e3ac89e 100644
> > --- a/doc/guides/nics/features/gve.ini
> > +++ b/doc/guides/nics/features/gve.ini
> > @@ -4,6 +4,8 @@
> >   ; Refer to default.ini for the full list of available PMD features.
> >   ;
> >   [Features]
> > +Speed capabilities   = Y
> 
> 'Speed capabilities' is when device reports supported speeds in
> 'rte_eth_dev_info_get()', so it shouldn't be in this patch.
> 
> Please check 'doc/guides/nics/features.rst' for more details.

Thanks for the comments!
Will check the features file and update accordingly.
diff mbox series

Patch

diff --git a/doc/guides/nics/features/gve.ini b/doc/guides/nics/features/gve.ini
index 44aec28009..d03e3ac89e 100644
--- a/doc/guides/nics/features/gve.ini
+++ b/doc/guides/nics/features/gve.ini
@@ -4,6 +4,8 @@ 
 ; Refer to default.ini for the full list of available PMD features.
 ;
 [Features]
+Speed capabilities   = Y
+Link status          = Y
 Linux                = Y
 x86-32               = Y
 x86-64               = Y
diff --git a/drivers/net/gve/gve_ethdev.c b/drivers/net/gve/gve_ethdev.c
index df698c1b02..43112d901a 100644
--- a/drivers/net/gve/gve_ethdev.c
+++ b/drivers/net/gve/gve_ethdev.c
@@ -34,10 +34,39 @@  gve_dev_configure(__rte_unused struct rte_eth_dev *dev)
 	return 0;
 }
 
+static int
+gve_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complete)
+{
+	struct gve_priv *priv = dev->data->dev_private;
+	struct rte_eth_link link;
+	int err;
+
+	memset(&link, 0, sizeof(link));
+	link.link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
+	link.link_autoneg = RTE_ETH_LINK_AUTONEG;
+
+	if (!dev->data->dev_started) {
+		link.link_status = RTE_ETH_LINK_DOWN;
+		link.link_speed = RTE_ETH_SPEED_NUM_NONE;
+	} else {
+		link.link_status = RTE_ETH_LINK_UP;
+		PMD_DRV_LOG(DEBUG, "Get link status from hw");
+		err = gve_adminq_report_link_speed(priv);
+		if (err) {
+			PMD_DRV_LOG(ERR, "Failed to get link speed.");
+			priv->link_speed = RTE_ETH_SPEED_NUM_UNKNOWN;
+		}
+		link.link_speed = priv->link_speed;
+	}
+
+	return rte_eth_linkstatus_set(dev, &link);
+}
+
 static int
 gve_dev_start(struct rte_eth_dev *dev)
 {
 	dev->data->dev_started = 1;
+	gve_link_update(dev, 0);
 
 	return 0;
 }
@@ -70,6 +99,7 @@  static const struct eth_dev_ops gve_eth_dev_ops = {
 	.dev_start            = gve_dev_start,
 	.dev_stop             = gve_dev_stop,
 	.dev_close            = gve_dev_close,
+	.link_update          = gve_link_update,
 };
 
 static void