[SRU][N:linux-azure][PATCH 6/7] net: mana: Add get_link and get_link_ksettings in ethtool

[John Cabaj]

From: Erni Sri Satya Vennela <ernis at linux.microsoft.com>

BugLink: https://bugs.launchpad.net/bugs/2098508

Add support for the ethtool get_link and get_link_ksettings
operations. Display standard port information using ethtool.

Before the change:
$ethtool enP30832s1
> No data available

After the change:
$ethtool enP30832s1
> Settings for enP30832s1:
        Supported ports: [  ]
        Supported link modes:   Not reported
        Supported pause frame use: No
        Supports auto-negotiation: No
        Supported FEC modes: Not reported
        Advertised link modes:  Not reported
        Advertised pause frame use: No
        Advertised auto-negotiation: No
        Advertised FEC modes: Not reported
        Speed: Unknown!
        Duplex: Full
        Auto-negotiation: off
        Port: Other
        PHYAD: 0
        Transceiver: internal
        Link detected: yes

Signed-off-by: Erni Sri Satya Vennela <ernis at linux.microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz at microsoft.com>
Reviewed-by: Shradha Gupta <shradhagupta at linux.microsoft.com>
Reviewed-by: Simon Horman <horms at kernel.org>
Link: https://patch.msgid.link/1727674934-12130-1-git-send-email-ernis@linux.microsoft.com
Signed-off-by: Paolo Abeni <pabeni at redhat.com>
(cherry picked from commit c30a3f54e661d01df2bf193398336155089dd502)
Signed-off-by: John Cabaj <john.cabaj at canonical.com>
---
 drivers/net/ethernet/microsoft/mana/mana_ethtool.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/ethernet/microsoft/mana/mana_ethtool.c b/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
index f23eb4a8deac..3b8d2f5739e7 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
@@ -432,6 +432,15 @@ static int mana_set_ringparam(struct net_device *ndev,
 	return err;
 }
 
+static int mana_get_link_ksettings(struct net_device *ndev,
+				   struct ethtool_link_ksettings *cmd)
+{
+	cmd->base.duplex = DUPLEX_FULL;
+	cmd->base.port = PORT_OTHER;
+
+	return 0;
+}
+
 const struct ethtool_ops mana_ethtool_ops = {
 	.get_ethtool_stats	= mana_get_ethtool_stats,
 	.get_sset_count		= mana_get_sset_count,
@@ -445,4 +454,6 @@ const struct ethtool_ops mana_ethtool_ops = {
 	.set_channels		= mana_set_channels,
 	.get_ringparam          = mana_get_ringparam,
 	.set_ringparam          = mana_set_ringparam,
+	.get_link_ksettings	= mana_get_link_ksettings,
+	.get_link		= ethtool_op_get_link,
 };
-- 
2.43.0