diff options
| author | Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@linux.intel.com> | 2025-05-15 12:50:09 +0200 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2025-06-09 09:56:18 -0700 |
| commit | e7aee24a89c863f2cab0d367df3265a66ad428d7 (patch) | |
| tree | 34663b94d30ce82325d8edee1c7cd4cf3f0e788a /drivers/net/ethernet/intel/ice/ice_ethtool.c | |
| parent | 141d0c9037ca57dac2d2c4e5d3c21521aa70ff12 (diff) | |
ice: add link_down_events statistic
Introduce a link_down_events counter to the ice driver, incremented
each time the link transitions from up to down.
This counter can help diagnose issues related to link stability,
such as port flapping or unexpected link drops.
The value is exposed via ethtool's get_link_ext_stats() interface.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ethtool.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index bbf9e6fd315b..5863a86482f5 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -836,6 +836,15 @@ static void ice_set_msglevel(struct net_device *netdev, u32 data) #endif /* !CONFIG_DYNAMIC_DEBUG */ } +static void ice_get_link_ext_stats(struct net_device *netdev, + struct ethtool_link_ext_stats *stats) +{ + struct ice_netdev_priv *np = netdev_priv(netdev); + struct ice_pf *pf = np->vsi->back; + + stats->link_down_events = pf->link_down_events; +} + static int ice_get_eeprom_len(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); @@ -4784,6 +4793,7 @@ static const struct ethtool_ops ice_ethtool_ops = { .set_msglevel = ice_set_msglevel, .self_test = ice_self_test, .get_link = ethtool_op_get_link, + .get_link_ext_stats = ice_get_link_ext_stats, .get_eeprom_len = ice_get_eeprom_len, .get_eeprom = ice_get_eeprom, .get_coalesce = ice_get_coalesce, |