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67 lines
2.3 KiB
Diff
67 lines
2.3 KiB
Diff
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From 7bd34822b9922beb22a6384d9190646105d259d8 Mon Sep 17 00:00:00 2001
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From: Russell King <rmk+kernel@arm.linux.org.uk>
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Date: Thu, 1 Oct 2015 17:41:44 +0100
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Subject: [PATCH 727/744] net: mvneta: add flow control support via phylink
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Add flow control support to mvneta, including the ethtool hooks. This
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uses the phylink code to calculate the result of autonegotiation where
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a phy is attached, and to handle the ethtool settings.
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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---
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drivers/net/ethernet/marvell/mvneta.c | 22 +++++++++++++++++++++-
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1 file changed, 21 insertions(+), 1 deletion(-)
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--- a/drivers/net/ethernet/marvell/mvneta.c
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+++ b/drivers/net/ethernet/marvell/mvneta.c
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@@ -3208,6 +3208,8 @@ static void mvneta_mac_config(struct net
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if (state->advertising & ADVERTISED_Pause)
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new_an |= MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL;
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+ if (state->pause & MLO_PAUSE_TXRX_MASK)
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+ new_an |= MVNETA_GMAC_CONFIG_FLOW_CTRL;
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switch (mode) {
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case MLO_AN_SGMII:
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@@ -3232,7 +3234,7 @@ static void mvneta_mac_config(struct net
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/* The MAC only supports FD mode */
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MVNETA_GMAC_CONFIG_FULL_DUPLEX;
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- if (state->an_enabled)
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+ if (state->pause & MLO_PAUSE_AN && state->an_enabled)
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new_an |= MVNETA_GMAC_AN_FLOW_CTRL_EN;
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break;
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@@ -3685,6 +3687,22 @@ static int mvneta_ethtool_set_ringparam(
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return 0;
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}
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+static void mvneta_ethtool_get_pauseparam(struct net_device *dev,
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+ struct ethtool_pauseparam *pause)
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+{
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+ struct mvneta_port *pp = netdev_priv(dev);
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+
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+ phylink_ethtool_get_pauseparam(pp->phylink, pause);
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+}
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+
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+static int mvneta_ethtool_set_pauseparam(struct net_device *dev,
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+ struct ethtool_pauseparam *pause)
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+{
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+ struct mvneta_port *pp = netdev_priv(dev);
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+
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+ return phylink_ethtool_set_pauseparam(pp->phylink, pause);
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+}
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+
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static void mvneta_ethtool_get_strings(struct net_device *netdev, u32 sset,
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u8 *data)
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{
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@@ -3866,6 +3884,8 @@ const struct ethtool_ops mvneta_eth_tool
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.get_drvinfo = mvneta_ethtool_get_drvinfo,
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.get_ringparam = mvneta_ethtool_get_ringparam,
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.set_ringparam = mvneta_ethtool_set_ringparam,
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+ .get_pauseparam = mvneta_ethtool_get_pauseparam,
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+ .set_pauseparam = mvneta_ethtool_set_pauseparam,
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.get_strings = mvneta_ethtool_get_strings,
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.get_ethtool_stats = mvneta_ethtool_get_stats,
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.get_sset_count = mvneta_ethtool_get_sset_count,
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