ASR_BASE

Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/target/linux/layerscape/patches-5.4/701-net-0216-dpaa2-eth-Add-autoneg-support.patch b/target/linux/layerscape/patches-5.4/701-net-0216-dpaa2-eth-Add-autoneg-support.patch
new file mode 100644
index 0000000..b94fafa
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0216-dpaa2-eth-Add-autoneg-support.patch
@@ -0,0 +1,129 @@
+From c6365855a6d9aef3b75e301d26872bc51398c2f3 Mon Sep 17 00:00:00 2001
+From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
+Date: Thu, 18 Oct 2018 18:59:41 +0300
+Subject: [PATCH] dpaa2-eth: Add autoneg support
+
+For MC versions that support it, use the new DPNI link APIs, which
+allow setting/getting of advertised and supported link modes.
+
+A mapping between DPNI link modes and ethtool ones is created to
+help converting from one to the other.
+
+Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
+Signed-off-by: Valentin Catalin Neacsu <valentin-catalin.neacsu@nxp.com>
+---
+ drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c   |  8 ++-
+ drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h   |  3 ++
+ .../net/ethernet/freescale/dpaa2/dpaa2-ethtool.c   | 57 ++++++++++++++++++++--
+ 3 files changed, 62 insertions(+), 6 deletions(-)
+
+--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
++++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+@@ -1357,7 +1357,13 @@ static int link_state_update(struct dpaa
+ 	bool tx_pause;
+ 	int err;
+ 
+-	err = dpni_get_link_state(priv->mc_io, 0, priv->mc_token, &state);
++	if (dpaa2_eth_cmp_dpni_ver(priv, DPNI_LINK_AUTONEG_VER_MAJOR,
++				   DPNI_LINK_AUTONEG_VER_MINOR) < 0)
++		err = dpni_get_link_state(priv->mc_io, 0, priv->mc_token,
++					  &state);
++	else
++		err = dpni_get_link_state_v2(priv->mc_io, 0, priv->mc_token,
++					     &state);
+ 	if (unlikely(err)) {
+ 		netdev_err(priv->net_dev,
+ 			   "dpni_get_link_state() failed\n");
+--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
++++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
+@@ -543,6 +543,9 @@ static inline bool dpaa2_eth_rx_pause_en
+ 	return !!(link_options & DPNI_LINK_OPT_PAUSE);
+ }
+ 
++#define DPNI_LINK_AUTONEG_VER_MAJOR	7
++#define DPNI_LINK_AUTONEG_VER_MINOR	8
++
+ static inline
+ unsigned int dpaa2_eth_needed_headroom(struct dpaa2_eth_priv *priv,
+ 				       struct sk_buff *skb)
+--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
++++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
+@@ -79,6 +79,41 @@ static void dpaa2_eth_get_drvinfo(struct
+ 		sizeof(drvinfo->bus_info));
+ }
+ 
++struct dpaa2_eth_link_mode_map {
++	u64 dpni_lm;
++	u64 ethtool_lm;
++};
++
++static const struct dpaa2_eth_link_mode_map dpaa2_eth_lm_map[] = {
++	{DPNI_ADVERTISED_10BASET_FULL, ETHTOOL_LINK_MODE_10baseT_Full_BIT},
++	{DPNI_ADVERTISED_100BASET_FULL, ETHTOOL_LINK_MODE_100baseT_Full_BIT},
++	{DPNI_ADVERTISED_1000BASET_FULL, ETHTOOL_LINK_MODE_1000baseT_Full_BIT},
++	{DPNI_ADVERTISED_10000BASET_FULL, ETHTOOL_LINK_MODE_10000baseT_Full_BIT},
++	{DPNI_ADVERTISED_2500BASEX_FULL, ETHTOOL_LINK_MODE_2500baseT_Full_BIT},
++	{DPNI_ADVERTISED_AUTONEG, ETHTOOL_LINK_MODE_Autoneg_BIT},
++};
++
++static void link_mode_dpni2ethtool(u64 dpni_lm, unsigned long *ethtool_lm)
++{
++	int i;
++
++	for (i = 0; i < ARRAY_SIZE(dpaa2_eth_lm_map); i++) {
++		if (dpni_lm & dpaa2_eth_lm_map[i].dpni_lm)
++			__set_bit(dpaa2_eth_lm_map[i].ethtool_lm, ethtool_lm);
++	}
++}
++
++static void link_mode_ethtool2dpni(const unsigned long *ethtool_lm,
++				   u64 *dpni_lm)
++{
++	int i;
++
++	for (i = 0; i < ARRAY_SIZE(dpaa2_eth_lm_map); i++) {
++		if (test_bit(dpaa2_eth_lm_map[i].ethtool_lm, ethtool_lm))
++			*dpni_lm |= dpaa2_eth_lm_map[i].dpni_lm;
++	}
++}
++
+ static int
+ dpaa2_eth_get_link_ksettings(struct net_device *net_dev,
+ 			     struct ethtool_link_ksettings *link_settings)
+@@ -91,6 +126,14 @@ dpaa2_eth_get_link_ksettings(struct net_
+ 		link_settings->base.duplex = DUPLEX_FULL;
+ 	link_settings->base.speed = priv->link_state.rate;
+ 
++	if (dpaa2_eth_cmp_dpni_ver(priv, DPNI_LINK_AUTONEG_VER_MAJOR,
++				   DPNI_LINK_AUTONEG_VER_MINOR) >= 0) {
++		link_mode_dpni2ethtool(priv->link_state.supported,
++				       link_settings->link_modes.supported);
++		link_mode_dpni2ethtool(priv->link_state.advertising,
++				       link_settings->link_modes.advertising);
++	}
++
+ 	return 0;
+ }
+ 
+@@ -127,12 +170,16 @@ dpaa2_eth_set_link_ksettings(struct net_
+ 	else
+ 		cfg.options &= ~DPNI_LINK_OPT_HALF_DUPLEX;
+ 
+-	err = dpni_set_link_cfg(priv->mc_io, 0, priv->mc_token, &cfg);
++	if (dpaa2_eth_cmp_dpni_ver(priv, DPNI_LINK_AUTONEG_VER_MAJOR,
++				   DPNI_LINK_AUTONEG_VER_MINOR) < 0) {
++		err = dpni_set_link_cfg(priv->mc_io, 0, priv->mc_token, &cfg);
++	} else {
++		link_mode_ethtool2dpni(link_settings->link_modes.advertising,
++				       &cfg.advertising);
++		dpni_set_link_cfg_v2(priv->mc_io, 0, priv->mc_token, &cfg);
++	}
+ 	if (err)
+-		/* ethtool will be loud enough if we return an error; no point
+-		 * in putting our own error message on the console by default
+-		 */
+-		netdev_dbg(net_dev, "ERROR %d setting link cfg\n", err);
++		netdev_err(net_dev, "dpni_set_link_cfg failed");
+ 
+ 	return err;
+ }