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1b2fefb244
Refreshed patches, removed upstreamed patch: generic/pending: 001-v5.4-pinctrl-qcom-fix-wrong-write-in-update_dual_edge.patch.patch Run tested: qemu-x86-64 Build tested: x86/64, ath79/nand, imx6, sunxi/a53 Signed-off-by: Petr Štetiar <ynezz@true.cz>
130 lines
4.6 KiB
Diff
130 lines
4.6 KiB
Diff
From c6365855a6d9aef3b75e301d26872bc51398c2f3 Mon Sep 17 00:00:00 2001
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From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
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Date: Thu, 18 Oct 2018 18:59:41 +0300
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Subject: [PATCH] dpaa2-eth: Add autoneg support
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For MC versions that support it, use the new DPNI link APIs, which
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allow setting/getting of advertised and supported link modes.
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A mapping between DPNI link modes and ethtool ones is created to
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help converting from one to the other.
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Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
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Signed-off-by: Valentin Catalin Neacsu <valentin-catalin.neacsu@nxp.com>
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---
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drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 8 ++-
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drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 3 ++
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.../net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 57 ++++++++++++++++++++--
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3 files changed, 62 insertions(+), 6 deletions(-)
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--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
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+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
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@@ -1357,7 +1357,13 @@ static int link_state_update(struct dpaa
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bool tx_pause;
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int err;
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- err = dpni_get_link_state(priv->mc_io, 0, priv->mc_token, &state);
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+ if (dpaa2_eth_cmp_dpni_ver(priv, DPNI_LINK_AUTONEG_VER_MAJOR,
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+ DPNI_LINK_AUTONEG_VER_MINOR) < 0)
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+ err = dpni_get_link_state(priv->mc_io, 0, priv->mc_token,
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+ &state);
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+ else
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+ err = dpni_get_link_state_v2(priv->mc_io, 0, priv->mc_token,
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+ &state);
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if (unlikely(err)) {
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netdev_err(priv->net_dev,
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"dpni_get_link_state() failed\n");
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--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
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+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
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@@ -543,6 +543,9 @@ static inline bool dpaa2_eth_rx_pause_en
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return !!(link_options & DPNI_LINK_OPT_PAUSE);
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}
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+#define DPNI_LINK_AUTONEG_VER_MAJOR 7
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+#define DPNI_LINK_AUTONEG_VER_MINOR 8
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+
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static inline
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unsigned int dpaa2_eth_needed_headroom(struct dpaa2_eth_priv *priv,
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struct sk_buff *skb)
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--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
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+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
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@@ -79,6 +79,41 @@ static void dpaa2_eth_get_drvinfo(struct
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sizeof(drvinfo->bus_info));
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}
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+struct dpaa2_eth_link_mode_map {
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+ u64 dpni_lm;
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+ u64 ethtool_lm;
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+};
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+
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+static const struct dpaa2_eth_link_mode_map dpaa2_eth_lm_map[] = {
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+ {DPNI_ADVERTISED_10BASET_FULL, ETHTOOL_LINK_MODE_10baseT_Full_BIT},
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+ {DPNI_ADVERTISED_100BASET_FULL, ETHTOOL_LINK_MODE_100baseT_Full_BIT},
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+ {DPNI_ADVERTISED_1000BASET_FULL, ETHTOOL_LINK_MODE_1000baseT_Full_BIT},
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+ {DPNI_ADVERTISED_10000BASET_FULL, ETHTOOL_LINK_MODE_10000baseT_Full_BIT},
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+ {DPNI_ADVERTISED_2500BASEX_FULL, ETHTOOL_LINK_MODE_2500baseT_Full_BIT},
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+ {DPNI_ADVERTISED_AUTONEG, ETHTOOL_LINK_MODE_Autoneg_BIT},
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+};
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+
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+static void link_mode_dpni2ethtool(u64 dpni_lm, unsigned long *ethtool_lm)
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+{
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+ int i;
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+
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+ for (i = 0; i < ARRAY_SIZE(dpaa2_eth_lm_map); i++) {
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+ if (dpni_lm & dpaa2_eth_lm_map[i].dpni_lm)
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+ __set_bit(dpaa2_eth_lm_map[i].ethtool_lm, ethtool_lm);
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+ }
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+}
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+
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+static void link_mode_ethtool2dpni(const unsigned long *ethtool_lm,
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+ u64 *dpni_lm)
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+{
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+ int i;
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+
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+ for (i = 0; i < ARRAY_SIZE(dpaa2_eth_lm_map); i++) {
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+ if (test_bit(dpaa2_eth_lm_map[i].ethtool_lm, ethtool_lm))
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+ *dpni_lm |= dpaa2_eth_lm_map[i].dpni_lm;
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+ }
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+}
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+
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static int
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dpaa2_eth_get_link_ksettings(struct net_device *net_dev,
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struct ethtool_link_ksettings *link_settings)
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@@ -91,6 +126,14 @@ dpaa2_eth_get_link_ksettings(struct net_
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link_settings->base.duplex = DUPLEX_FULL;
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link_settings->base.speed = priv->link_state.rate;
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+ if (dpaa2_eth_cmp_dpni_ver(priv, DPNI_LINK_AUTONEG_VER_MAJOR,
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+ DPNI_LINK_AUTONEG_VER_MINOR) >= 0) {
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+ link_mode_dpni2ethtool(priv->link_state.supported,
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+ link_settings->link_modes.supported);
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+ link_mode_dpni2ethtool(priv->link_state.advertising,
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+ link_settings->link_modes.advertising);
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+ }
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+
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return 0;
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}
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@@ -127,12 +170,16 @@ dpaa2_eth_set_link_ksettings(struct net_
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else
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cfg.options &= ~DPNI_LINK_OPT_HALF_DUPLEX;
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- err = dpni_set_link_cfg(priv->mc_io, 0, priv->mc_token, &cfg);
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+ if (dpaa2_eth_cmp_dpni_ver(priv, DPNI_LINK_AUTONEG_VER_MAJOR,
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+ DPNI_LINK_AUTONEG_VER_MINOR) < 0) {
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+ err = dpni_set_link_cfg(priv->mc_io, 0, priv->mc_token, &cfg);
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+ } else {
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+ link_mode_ethtool2dpni(link_settings->link_modes.advertising,
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+ &cfg.advertising);
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+ dpni_set_link_cfg_v2(priv->mc_io, 0, priv->mc_token, &cfg);
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+ }
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if (err)
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- /* ethtool will be loud enough if we return an error; no point
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- * in putting our own error message on the console by default
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- */
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- netdev_dbg(net_dev, "ERROR %d setting link cfg\n", err);
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+ netdev_err(net_dev, "dpni_set_link_cfg failed");
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return err;
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}
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