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net/gve: support link update

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Support dev_ops link_update.

Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
This commit is contained in:
Junfeng Guo 2022-10-25 17:07:25 +08:00 committed by Ferruh Yigit
parent 457967cd2b
commit 440f551dd0
3 changed files with 34 additions and 0 deletions
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1
doc/guides/nics/features/gve.ini
View File

@ -4,6 +4,7 @@
; Refer to default.ini for the full list of available PMD features.
;
[Features]
Link status = Y
Linux = Y
x86-32 = Y
x86-64 = Y

3
doc/guides/nics/gve.rst
View File

@ -63,6 +63,9 @@ Features and Limitations
In this release, the GVE PMD provides the basic functionality
of packet reception and transmission.
Supported features of the GVE PMD are:
- Link state information
Currently, only GQI_QPL and GQI_RDA queue format are supported in PMD.
Jumbo Frame is not supported in PMD for now.

30
drivers/net/gve/gve_ethdev.c
View File

@ -33,10 +33,39 @@ 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;
}
@ -71,6 +100,7 @@ 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