[PATCH] ixgbe: Report PAUSE flags to ethtool

Hello!

I noticed that ixgbe driver doesn't report SUPPORTED_Pause and
ADVERTISED_Pause flags to ethtool. This means that ethtool
always reports:
	Supported pause frame use: No
	Advertised pause frame use: No
I added reporting for capabilities and advertising.
I tested it with our ixgbe card and latest ethtool
   from git repo. I also need to add capability to
change advertising parameters with "ethtool -s advertise %x",
but will send in a different patch if this patch looks ok.

Signed-off-by: Esa-Pekka Pyokkimies <redacted>
---

diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c

b/drivers/net/ixgbe/ixgbe_ethtool.c
index cb1555b..6005116 100644

--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c

@@ -150,6 +150,7 @@ static int ixgbe_get_settings(struct net_device

*netdev,
    	bool link_up;

    	ecmd->supported = SUPPORTED_10000baseT_Full;
+	ecmd->supported |= SUPPORTED_Pause;
    	ecmd->autoneg = AUTONEG_ENABLE;
    	ecmd->transceiver = XCVR_EXTERNAL;
    	if ((hw->phy.media_type == ixgbe_media_type_copper) ||

@@ -231,6 +232,21 @@ static int ixgbe_get_settings(struct net_device

*netdev,
    		ecmd->autoneg = AUTONEG_DISABLE;
    	}

+	if (hw->fc.current_mode == ixgbe_fc_full) {
+		ecmd->advertising |= ADVERTISED_Pause;
+	} else if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
+		ecmd->advertising |= ADVERTISED_Pause;
+		ecmd->advertising |= ADVERTISED_Asym_Pause;
+	} else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
+		ecmd->advertising |= ADVERTISED_Asym_Pause;
+	} else if (hw->fc.current_mode == ixgbe_fc_none) {
+		/* Correctly initialized */
+	} else if (hw->fc.current_mode == ixgbe_fc_pfc) {
+		/* Ethtool doesn't know about this mode */
+	} else {
+		/* Future modes */
+	}
+
    	/* Get PHY type */
    	switch (adapter->hw.phy.type) {
    	case ixgbe_phy_tn:


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