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From: Junfeng Guo <junfeng.guo@intel.com>
To: qi.z.zhang@intel.com, jingjing.wu@intel.com, ferruh.yigit@xilinx.com,
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Junfeng Guo <junfeng.guo@intel.com>
Subject: [PATCH v6 4/8] net/gve: add support for link update
Date: Thu, 20 Oct 2022 18:36:52 +0800
Message-Id: <20221020103656.1068036-5-junfeng.guo@intel.com>
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Errors-To: dev-bounces@dpdk.org
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 | 1 +
doc/guides/nics/gve.rst | 3 +++
drivers/net/gve/gve_ethdev.c | 30 ++++++++++++++++++++++++++++++
3 files changed, 34 insertions(+)
diff --git a/doc/guides/nics/features/gve.ini b/doc/guides/nics/features/gve.ini
index 44aec28009..ae466ad677 100644
--- a/doc/guides/nics/features/gve.ini
+++ b/doc/guides/nics/features/gve.ini
@@ -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
diff --git a/doc/guides/nics/gve.rst b/doc/guides/nics/gve.rst
index 703fbcc5de..c42ff23841 100644
--- a/doc/guides/nics/gve.rst
+++ b/doc/guides/nics/gve.rst
@@ -60,6 +60,9 @@ 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. It'll be added in the future
diff --git a/drivers/net/gve/gve_ethdev.c b/drivers/net/gve/gve_ethdev.c
index f8ff3b1923..ca4a467140 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
--
2.34.1