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From: longli@linuxonhyperv.com
To: Ferruh Yigit <ferruh.yigit@xilinx.com>
Cc: dev@dpdk.org, Ajay Sharma <sharmaajay@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>, Long Li <longli@microsoft.com>
Subject: [Patch v9 04/18] net/mana: support link update
Date: Fri, 23 Sep 2022 19:45:32 -0700
Message-Id: <1663987546-15982-5-git-send-email-longli@linuxonhyperv.com>
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<1663987546-15982-1-git-send-email-longli@linuxonhyperv.com>
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Reply-To: longli@microsoft.com
Errors-To: dev-bounces@dpdk.org
From: Long Li <longli@microsoft.com>
The carrier state is managed by the Azure host. MANA runs as a VF and
always reports "up".
Signed-off-by: Long Li <longli@microsoft.com>
---
doc/guides/nics/features/mana.ini | 1 +
drivers/net/mana/mana.c | 18 ++++++++++++++++++
2 files changed, 19 insertions(+)
diff --git a/doc/guides/nics/features/mana.ini b/doc/guides/nics/features/mana.ini
index b92a27374c..62554b0a0a 100644
--- a/doc/guides/nics/features/mana.ini
+++ b/doc/guides/nics/features/mana.ini
@@ -4,6 +4,7 @@
; Refer to default.ini for the full list of available PMD features.
;
[Features]
+Link status = P
Linux = Y
Multiprocess aware = Y
Usage doc = Y
diff --git a/drivers/net/mana/mana.c b/drivers/net/mana/mana.c
index 5fc656110f..90e713318a 100644
--- a/drivers/net/mana/mana.c
+++ b/drivers/net/mana/mana.c
@@ -134,10 +134,28 @@ mana_supported_ptypes(struct rte_eth_dev *dev __rte_unused)
return ptypes;
}
+static int
+mana_dev_link_update(struct rte_eth_dev *dev,
+ int wait_to_complete __rte_unused)
+{
+ struct rte_eth_link link;
+
+ /* MANA has no concept of carrier state, always reporting UP */
+ link = (struct rte_eth_link) {
+ .link_duplex = RTE_ETH_LINK_FULL_DUPLEX,
+ .link_autoneg = RTE_ETH_LINK_SPEED_FIXED,
+ .link_speed = RTE_ETH_SPEED_NUM_100G,
+ .link_status = RTE_ETH_LINK_UP,
+ };
+
+ return rte_eth_linkstatus_set(dev, &link);
+}
+
static const struct eth_dev_ops mana_dev_ops = {
.dev_configure = mana_dev_configure,
.dev_close = mana_dev_close,
.dev_supported_ptypes_get = mana_supported_ptypes,
+ .link_update = mana_dev_link_update,
};
static const struct eth_dev_ops mana_dev_secondary_ops = {
--
2.17.1