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authorFelix Fietkau <nbd@nbd.name>2017-02-06 11:46:48 +0100
committerFelix Fietkau <nbd@nbd.name>2017-02-16 17:17:15 +0100
commit2bf9ea6a31736db059aa97addce3a34b933dacc1 (patch)
treeecfe628aabaf38e6bd40ca841443d19079105a83 /target/linux/mvebu/patches-4.9/424-net-mvneta-add-flow-control-support-via-phylink.patch
parent237454991618e0e8b7ceb8a8a2a43fca12c1a454 (diff)
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mvebu: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Diffstat (limited to 'target/linux/mvebu/patches-4.9/424-net-mvneta-add-flow-control-support-via-phylink.patch')
-rw-r--r--target/linux/mvebu/patches-4.9/424-net-mvneta-add-flow-control-support-via-phylink.patch76
1 files changed, 76 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-4.9/424-net-mvneta-add-flow-control-support-via-phylink.patch b/target/linux/mvebu/patches-4.9/424-net-mvneta-add-flow-control-support-via-phylink.patch
new file mode 100644
index 0000000..b46359c
--- /dev/null
+++ b/target/linux/mvebu/patches-4.9/424-net-mvneta-add-flow-control-support-via-phylink.patch
@@ -0,0 +1,76 @@
+From: Russell King <rmk+kernel@arm.linux.org.uk>
+Date: Thu, 1 Oct 2015 17:41:44 +0100
+Subject: [PATCH] net: mvneta: add flow control support via phylink
+
+Add flow control support to mvneta, including the ethtool hooks. This
+uses the phylink code to calculate the result of autonegotiation where
+a phy is attached, and to handle the ethtool settings.
+
+Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
+---
+
+--- a/drivers/net/ethernet/marvell/mvneta.c
++++ b/drivers/net/ethernet/marvell/mvneta.c
+@@ -3180,6 +3180,12 @@ static int mvneta_mac_link_state(struct
+ state->link = !!(gmac_stat & MVNETA_GMAC_LINK_UP);
+ state->duplex = !!(gmac_stat & MVNETA_GMAC_FULL_DUPLEX);
+
++ state->pause = 0;
++ if (gmac_stat & MVNETA_GMAC_RX_FLOW_CTRL_ENABLE)
++ state->pause |= MLO_PAUSE_RX;
++ if (gmac_stat & MVNETA_GMAC_TX_FLOW_CTRL_ENABLE)
++ state->pause |= MLO_PAUSE_TX;
++
+ return 1;
+ }
+
+@@ -3222,6 +3228,8 @@ static void mvneta_mac_config(struct net
+
+ if (phylink_test(state->advertising, Pause))
+ new_an |= MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL;
++ if (state->pause & MLO_PAUSE_TXRX_MASK)
++ new_an |= MVNETA_GMAC_CONFIG_FLOW_CTRL;
+
+ switch (mode) {
+ case MLO_AN_SGMII:
+@@ -3246,7 +3254,7 @@ static void mvneta_mac_config(struct net
+ /* The MAC only supports FD mode */
+ MVNETA_GMAC_CONFIG_FULL_DUPLEX;
+
+- if (state->an_enabled)
++ if (state->pause & MLO_PAUSE_AN && state->an_enabled)
+ new_an |= MVNETA_GMAC_AN_FLOW_CTRL_EN;
+ break;
+
+@@ -3712,6 +3720,22 @@ static int mvneta_ethtool_set_ringparam(
+ return 0;
+ }
+
++static void mvneta_ethtool_get_pauseparam(struct net_device *dev,
++ struct ethtool_pauseparam *pause)
++{
++ struct mvneta_port *pp = netdev_priv(dev);
++
++ phylink_ethtool_get_pauseparam(pp->phylink, pause);
++}
++
++static int mvneta_ethtool_set_pauseparam(struct net_device *dev,
++ struct ethtool_pauseparam *pause)
++{
++ struct mvneta_port *pp = netdev_priv(dev);
++
++ return phylink_ethtool_set_pauseparam(pp->phylink, pause);
++}
++
+ static void mvneta_ethtool_get_strings(struct net_device *netdev, u32 sset,
+ u8 *data)
+ {
+@@ -3903,6 +3927,8 @@ const struct ethtool_ops mvneta_eth_tool
+ .get_drvinfo = mvneta_ethtool_get_drvinfo,
+ .get_ringparam = mvneta_ethtool_get_ringparam,
+ .set_ringparam = mvneta_ethtool_set_ringparam,
++ .get_pauseparam = mvneta_ethtool_get_pauseparam,
++ .set_pauseparam = mvneta_ethtool_set_pauseparam,
+ .get_strings = mvneta_ethtool_get_strings,
+ .get_ethtool_stats = mvneta_ethtool_get_stats,
+ .get_sset_count = mvneta_ethtool_get_sset_count,