net: mana: Add get_link and get_link_ksettings in ethtool

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@linux.microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/1727674934-12130-1-git-send-email-ernis@linux.microsoft.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/drivers/net/ethernet/microsoft/mana/mana_ethtool.c b/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
index dc38643775384624d7c4bdea8567832837b1be7e..349f11bf8e6425e14bcaf41410dc17e9866990cd 100644 (file)
--- a/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
@@ -443,6 +443,15 @@ out:
        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,
@@ -456,4 +465,6 @@ 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,
 };