diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0181-staging-dpaa2-evb-Improve-ethtool-support.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0181-staging-dpaa2-evb-Improve-ethtool-support.patch | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0181-staging-dpaa2-evb-Improve-ethtool-support.patch b/target/linux/layerscape/patches-5.4/701-net-0181-staging-dpaa2-evb-Improve-ethtool-support.patch new file mode 100644 index 0000000000..5a566ee8f7 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0181-staging-dpaa2-evb-Improve-ethtool-support.patch @@ -0,0 +1,153 @@ +From b505f9a736c3850aa1dfefd7a803d797c2233aab Mon Sep 17 00:00:00 2001 +From: Razvan Stefanescu <razvan.stefanescu@nxp.com> +Date: Thu, 13 Apr 2017 13:10:34 +0300 +Subject: [PATCH] staging: dpaa2-evb: Improve ethtool support + +Improve ethtool support by adding ops for: +- driver info +- link status +- auto-negotiation setting and result +- speed setting and result + +Signed-off-by: Razvan Stefanescu <razvan.stefanescu@nxp.com> +--- + drivers/staging/fsl-dpaa2/evb/evb.c | 114 ++++++++++++++++++++++++++++++++++++ + 1 file changed, 114 insertions(+) + +--- a/drivers/staging/fsl-dpaa2/evb/evb.c ++++ b/drivers/staging/fsl-dpaa2/evb/evb.c +@@ -43,6 +43,8 @@ + #include "dpdmux.h" + #include "dpdmux-cmd.h" + ++static const char evb_drv_version[] = "0.1"; ++ + /* Minimal supported DPDMUX version */ + #define DPDMUX_MIN_VER_MAJOR 6 + #define DPDMUX_MIN_VER_MINOR 0 +@@ -860,6 +862,114 @@ static const struct net_device_ops evb_p + .ndo_change_mtu = &evb_change_mtu, + }; + ++static void evb_get_drvinfo(struct net_device *netdev, ++ struct ethtool_drvinfo *drvinfo) ++{ ++ struct evb_port_priv *port_priv = netdev_priv(netdev); ++ u16 version_major, version_minor; ++ int err; ++ ++ strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); ++ strlcpy(drvinfo->version, evb_drv_version, sizeof(drvinfo->version)); ++ ++ err = dpdmux_get_api_version(port_priv->evb_priv->mc_io, 0, ++ &version_major, ++ &version_minor); ++ if (err) ++ strlcpy(drvinfo->fw_version, "N/A", ++ sizeof(drvinfo->fw_version)); ++ else ++ snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), ++ "%u.%u", version_major, version_minor); ++ ++ strlcpy(drvinfo->bus_info, dev_name(netdev->dev.parent->parent), ++ sizeof(drvinfo->bus_info)); ++} ++ ++static int evb_get_link_ksettings(struct net_device *netdev, ++ struct ethtool_link_ksettings *link_settings) ++{ ++ struct evb_port_priv *port_priv = netdev_priv(netdev); ++ struct dpdmux_link_state state = {0}; ++ int err = 0; ++ ++ err = dpdmux_if_get_link_state(port_priv->evb_priv->mc_io, 0, ++ port_priv->evb_priv->mux_handle, ++ port_priv->port_index, ++ &state); ++ if (err) { ++ netdev_err(netdev, "ERROR %d getting link state", err); ++ goto out; ++ } ++ ++ /* At the moment, we have no way of interrogating the DPMAC ++ * from the DPDMUX side or there may not exist a DPMAC at all. ++ * Report only autoneg state, duplexity and speed. ++ */ ++ if (state.options & DPDMUX_LINK_OPT_AUTONEG) ++ link_settings->base.autoneg = AUTONEG_ENABLE; ++ if (!(state.options & DPDMUX_LINK_OPT_HALF_DUPLEX)) ++ link_settings->base.duplex = DUPLEX_FULL; ++ link_settings->base.speed = state.rate; ++ ++out: ++ return err; ++} ++ ++static int evb_set_link_ksettings(struct net_device *netdev, ++ const struct ethtool_link_ksettings *link_settings) ++{ ++ struct evb_port_priv *port_priv = netdev_priv(netdev); ++ struct dpdmux_link_state state = {0}; ++ struct dpdmux_link_cfg cfg = {0}; ++ int err = 0; ++ ++ netdev_dbg(netdev, "Setting link parameters..."); ++ ++ err = dpdmux_if_get_link_state(port_priv->evb_priv->mc_io, 0, ++ port_priv->evb_priv->mux_handle, ++ port_priv->port_index, ++ &state); ++ if (err) { ++ netdev_err(netdev, "ERROR %d getting link state", err); ++ goto out; ++ } ++ ++ /* Due to a temporary MC limitation, the DPDMUX port must be down ++ * in order to be able to change link settings. Taking steps to let ++ * the user know that. ++ */ ++ if (netif_running(netdev)) { ++ netdev_info(netdev, ++ "Sorry, interface must be brought down first.\n"); ++ return -EACCES; ++ } ++ ++ cfg.options = state.options; ++ cfg.rate = link_settings->base.speed; ++ if (link_settings->base.autoneg == AUTONEG_ENABLE) ++ cfg.options |= DPDMUX_LINK_OPT_AUTONEG; ++ else ++ cfg.options &= ~DPDMUX_LINK_OPT_AUTONEG; ++ if (link_settings->base.duplex == DUPLEX_HALF) ++ cfg.options |= DPDMUX_LINK_OPT_HALF_DUPLEX; ++ else ++ cfg.options &= ~DPDMUX_LINK_OPT_HALF_DUPLEX; ++ ++ err = dpdmux_if_set_link_cfg(port_priv->evb_priv->mc_io, 0, ++ port_priv->evb_priv->mux_handle, ++ port_priv->port_index, ++ &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(netdev, "ERROR %d setting link cfg", err); ++ ++out: ++ return err; ++} ++ + static struct { + enum dpdmux_counter_type id; + char name[ETH_GSTRING_LEN]; +@@ -923,6 +1033,10 @@ static void evb_ethtool_get_stats(struct + } + + static const struct ethtool_ops evb_port_ethtool_ops = { ++ .get_drvinfo = &evb_get_drvinfo, ++ .get_link = ðtool_op_get_link, ++ .get_link_ksettings = &evb_get_link_ksettings, ++ .set_link_ksettings = &evb_set_link_ksettings, + .get_strings = &evb_ethtool_get_strings, + .get_ethtool_stats = &evb_ethtool_get_stats, + .get_sset_count = &evb_ethtool_get_sset_count, |