Commit eabbe2bb authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

ixgbe: add pause frame stats 



Report standard pause frame stats. They are already aggregated
in struct ixgbe_hw_stats.

The combination of the registers is suggested as equivalent to
PAUSEMACCtrlFramesTransmitted / PAUSEMACCtrlFramesReceived
by the Intel 82576EB datasheet, I could not find any information
in the HW actually supported by ixgbe.

Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Reviewed-by: default avatarAlexander Duyck <alexander.h.duyck@linux.intel.com>
Reviewed-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 423cffcf

drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c

+11 −0
Original line number Diff line number Diff line
@@ -531,6 +531,16 @@ static int ixgbe_set_link_ksettings(struct net_device *netdev, 
	return err;

}



static void ixgbe_get_pause_stats(struct net_device *netdev,

				  struct ethtool_pause_stats *stats)

{

	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	struct ixgbe_hw_stats *hwstats = &adapter->stats;



	stats->tx_pause_frames = hwstats->lxontxc + hwstats->lxofftxc;

	stats->rx_pause_frames = hwstats->lxonrxc + hwstats->lxoffrxc;

}



static void ixgbe_get_pauseparam(struct net_device *netdev,

				 struct ethtool_pauseparam *pause)

{
@@ -3546,6 +3556,7 @@ static const struct ethtool_ops ixgbe_ethtool_ops = { 
	.set_eeprom             = ixgbe_set_eeprom,

	.get_ringparam          = ixgbe_get_ringparam,

	.set_ringparam          = ixgbe_set_ringparam,

	.get_pause_stats	= ixgbe_get_pause_stats,

	.get_pauseparam         = ixgbe_get_pauseparam,

	.set_pauseparam         = ixgbe_set_pauseparam,

	.get_msglevel           = ixgbe_get_msglevel,