diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0214-dpaa2-eth-Re-add-get_link_ksettings-ethtool-op.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0214-dpaa2-eth-Re-add-get_link_ksettings-ethtool-op.patch | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0214-dpaa2-eth-Re-add-get_link_ksettings-ethtool-op.patch b/target/linux/layerscape/patches-5.4/701-net-0214-dpaa2-eth-Re-add-get_link_ksettings-ethtool-op.patch new file mode 100644 index 0000000000..25a9e90fbf --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0214-dpaa2-eth-Re-add-get_link_ksettings-ethtool-op.patch @@ -0,0 +1,83 @@ +From 0a5243abf168351ea8409caf329448a3e18ab62f Mon Sep 17 00:00:00 2001 +From: Ioana Radulescu <ruxandra.radulescu@nxp.com> +Date: Tue, 24 Sep 2019 13:24:40 +0300 +Subject: [PATCH] dpaa2-eth: Re-add get_link_ksettings ethtool op + +Which was removed from upstream driver since without a MAC driver +we have no support for changing link parameters there. + +Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com> +--- + .../net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 47 +++++++++++++++++++++- + 1 file changed, 46 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c ++++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c +@@ -85,7 +85,8 @@ dpaa2_eth_get_link_ksettings(struct net_ + { + struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + +- link_settings->base.autoneg = AUTONEG_DISABLE; ++ if (priv->link_state.options & DPNI_LINK_OPT_AUTONEG) ++ link_settings->base.autoneg = AUTONEG_ENABLE; + if (!(priv->link_state.options & DPNI_LINK_OPT_HALF_DUPLEX)) + link_settings->base.duplex = DUPLEX_FULL; + link_settings->base.speed = priv->link_state.rate; +@@ -93,6 +94,49 @@ dpaa2_eth_get_link_ksettings(struct net_ + return 0; + } + ++#define DPNI_DYNAMIC_LINK_SET_VER_MAJOR 7 ++#define DPNI_DYNAMIC_LINK_SET_VER_MINOR 1 ++static int ++dpaa2_eth_set_link_ksettings(struct net_device *net_dev, ++ const struct ethtool_link_ksettings *link_settings) ++{ ++ struct dpni_link_cfg cfg = {0}; ++ struct dpaa2_eth_priv *priv = netdev_priv(net_dev); ++ int err = 0; ++ ++ /* If using an older MC version, the DPNI must be down ++ * in order to be able to change link settings. Taking steps to let ++ * the user know that. ++ */ ++ if (dpaa2_eth_cmp_dpni_ver(priv, DPNI_DYNAMIC_LINK_SET_VER_MAJOR, ++ DPNI_DYNAMIC_LINK_SET_VER_MINOR) < 0) { ++ if (netif_running(net_dev)) { ++ netdev_info(net_dev, "Interface must be brought down first.\n"); ++ return -EACCES; ++ } ++ } ++ ++ cfg.rate = link_settings->base.speed; ++ cfg.options = priv->link_state.options; ++ if (link_settings->base.autoneg == AUTONEG_ENABLE) ++ cfg.options |= DPNI_LINK_OPT_AUTONEG; ++ else ++ cfg.options &= ~DPNI_LINK_OPT_AUTONEG; ++ if (link_settings->base.duplex == DUPLEX_HALF) ++ cfg.options |= DPNI_LINK_OPT_HALF_DUPLEX; ++ else ++ cfg.options &= ~DPNI_LINK_OPT_HALF_DUPLEX; ++ ++ err = dpni_set_link_cfg(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); ++ ++ return err; ++} ++ + static void dpaa2_eth_get_pauseparam(struct net_device *net_dev, + struct ethtool_pauseparam *pause) + { +@@ -734,6 +778,7 @@ const struct ethtool_ops dpaa2_ethtool_o + .get_drvinfo = dpaa2_eth_get_drvinfo, + .get_link = ethtool_op_get_link, + .get_link_ksettings = dpaa2_eth_get_link_ksettings, ++ .set_link_ksettings = dpaa2_eth_set_link_ksettings, + .get_pauseparam = dpaa2_eth_get_pauseparam, + .set_pauseparam = dpaa2_eth_set_pauseparam, + .get_sset_count = dpaa2_eth_get_sset_count, |