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igc: Fix returning wrong statistics 

[ Upstream commit 6b7ed22ae4 ]

'igc_update_stats()' was not updating 'netdev->stats', so the returned
statistics, for example, requested by:

$ ip -s link show dev enp3s0

were not being updated and were always zero.

Fix by returning a set of statistics that are actually being
updated (adapter->stats64).

Fixes: c9a11c23ce ("igc: Add netdev")
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Vinicius Costa Gomes 2020-09-25 11:35:37 -07:00 committed by Greg Kroah-Hartman
parent 81dcfdb9a0
commit a8ee686597
1 changed files with 8 additions and 6 deletions
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14
drivers/net/ethernet/intel/igc/igc_main.c
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@ -2222,21 +2222,23 @@ static int igc_change_mtu(struct net_device *netdev, int new_mtu)
}
/**
* igc_get_stats - Get System Network Statistics
* igc_get_stats64 - Get System Network Statistics
* @netdev: network interface device structure
* @stats: rtnl_link_stats64 pointer
*
* Returns the address of the device statistics structure.
* The statistics are updated here and also from the timer callback.
*/
static struct net_device_stats *igc_get_stats(struct net_device *netdev)
static void igc_get_stats64(struct net_device *netdev,
struct rtnl_link_stats64 *stats)
{
struct igc_adapter *adapter = netdev_priv(netdev);
spin_lock(&adapter->stats64_lock);
if (!test_bit(__IGC_RESETTING, &adapter->state))
igc_update_stats(adapter);
/* only return the current stats */
return &netdev->stats;
memcpy(stats, &adapter->stats64, sizeof(*stats));
spin_unlock(&adapter->stats64_lock);
}
static netdev_features_t igc_fix_features(struct net_device *netdev,
@ -3984,7 +3986,7 @@ static const struct net_device_ops igc_netdev_ops = {
.ndo_start_xmit = igc_xmit_frame,
.ndo_set_mac_address = igc_set_mac,
.ndo_change_mtu = igc_change_mtu,
.ndo_get_stats = igc_get_stats,
.ndo_get_stats64 = igc_get_stats64,
.ndo_fix_features = igc_fix_features,
.ndo_set_features = igc_set_features,
.ndo_features_check = igc_features_check,