diff options
Diffstat (limited to 'drivers/staging/fsl-dpaa2/ethsw/ethsw-ethtool.c')
| -rw-r--r-- | drivers/staging/fsl-dpaa2/ethsw/ethsw-ethtool.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw-ethtool.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw-ethtool.c deleted file mode 100644 index 0af2e9914ec4..000000000000 --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw-ethtool.c +++ /dev/null @@ -1,189 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * DPAA2 Ethernet Switch ethtool support - * - * Copyright 2014-2016 Freescale Semiconductor Inc. - * Copyright 2017-2018 NXP - * - */ - -#include <linux/ethtool.h> - -#include "ethsw.h" - -static struct { - enum dpsw_counter id; - char name[ETH_GSTRING_LEN]; -} dpaa2_switch_ethtool_counters[] = { - {DPSW_CNT_ING_FRAME, "rx frames"}, - {DPSW_CNT_ING_BYTE, "rx bytes"}, - {DPSW_CNT_ING_FLTR_FRAME, "rx filtered frames"}, - {DPSW_CNT_ING_FRAME_DISCARD, "rx discarded frames"}, - {DPSW_CNT_ING_BCAST_FRAME, "rx b-cast frames"}, - {DPSW_CNT_ING_BCAST_BYTES, "rx b-cast bytes"}, - {DPSW_CNT_ING_MCAST_FRAME, "rx m-cast frames"}, - {DPSW_CNT_ING_MCAST_BYTE, "rx m-cast bytes"}, - {DPSW_CNT_EGR_FRAME, "tx frames"}, - {DPSW_CNT_EGR_BYTE, "tx bytes"}, - {DPSW_CNT_EGR_FRAME_DISCARD, "tx discarded frames"}, - {DPSW_CNT_ING_NO_BUFF_DISCARD, "rx discarded no buffer frames"}, -}; - -#define DPAA2_SWITCH_NUM_COUNTERS ARRAY_SIZE(dpaa2_switch_ethtool_counters) - -static void dpaa2_switch_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct ethsw_port_priv *port_priv = netdev_priv(netdev); - u16 version_major, version_minor; - int err; - - strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); - - err = dpsw_get_api_version(port_priv->ethsw_data->mc_io, 0, - &version_major, - &version_minor); - if (err) - strscpy(drvinfo->fw_version, "N/A", - sizeof(drvinfo->fw_version)); - else - snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), - "%u.%u", version_major, version_minor); - - strscpy(drvinfo->bus_info, dev_name(netdev->dev.parent->parent), - sizeof(drvinfo->bus_info)); -} - -static int -dpaa2_switch_get_link_ksettings(struct net_device *netdev, - struct ethtool_link_ksettings *link_ksettings) -{ - struct ethsw_port_priv *port_priv = netdev_priv(netdev); - struct dpsw_link_state state = {0}; - int err = 0; - - err = dpsw_if_get_link_state(port_priv->ethsw_data->mc_io, 0, - port_priv->ethsw_data->dpsw_handle, - port_priv->idx, - &state); - if (err) { - netdev_err(netdev, "ERROR %d getting link state\n", err); - goto out; - } - - /* At the moment, we have no way of interrogating the DPMAC - * from the DPSW side or there may not exist a DPMAC at all. - * Report only autoneg state, duplexity and speed. - */ - if (state.options & DPSW_LINK_OPT_AUTONEG) - link_ksettings->base.autoneg = AUTONEG_ENABLE; - if (!(state.options & DPSW_LINK_OPT_HALF_DUPLEX)) - link_ksettings->base.duplex = DUPLEX_FULL; - link_ksettings->base.speed = state.rate; - -out: - return err; -} - -static int -dpaa2_switch_set_link_ksettings(struct net_device *netdev, - const struct ethtool_link_ksettings *link_ksettings) -{ - struct ethsw_port_priv *port_priv = netdev_priv(netdev); - struct ethsw_core *ethsw = port_priv->ethsw_data; - struct dpsw_link_cfg cfg = {0}; - bool if_running; - int err = 0, ret; - - /* Interface needs to be down to change link settings */ - if_running = netif_running(netdev); - if (if_running) { - err = dpsw_if_disable(ethsw->mc_io, 0, - ethsw->dpsw_handle, - port_priv->idx); - if (err) { - netdev_err(netdev, "dpsw_if_disable err %d\n", err); - return err; - } - } - - cfg.rate = link_ksettings->base.speed; - if (link_ksettings->base.autoneg == AUTONEG_ENABLE) - cfg.options |= DPSW_LINK_OPT_AUTONEG; - else - cfg.options &= ~DPSW_LINK_OPT_AUTONEG; - if (link_ksettings->base.duplex == DUPLEX_HALF) - cfg.options |= DPSW_LINK_OPT_HALF_DUPLEX; - else - cfg.options &= ~DPSW_LINK_OPT_HALF_DUPLEX; - - err = dpsw_if_set_link_cfg(port_priv->ethsw_data->mc_io, 0, - port_priv->ethsw_data->dpsw_handle, - port_priv->idx, - &cfg); - - if (if_running) { - ret = dpsw_if_enable(ethsw->mc_io, 0, - ethsw->dpsw_handle, - port_priv->idx); - if (ret) { - netdev_err(netdev, "dpsw_if_enable err %d\n", ret); - return ret; - } - } - return err; -} - -static int dpaa2_switch_ethtool_get_sset_count(struct net_device *dev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return DPAA2_SWITCH_NUM_COUNTERS; - default: - return -EOPNOTSUPP; - } -} - -static void dpaa2_switch_ethtool_get_strings(struct net_device *netdev, - u32 stringset, u8 *data) -{ - int i; - - switch (stringset) { - case ETH_SS_STATS: - for (i = 0; i < DPAA2_SWITCH_NUM_COUNTERS; i++) - memcpy(data + i * ETH_GSTRING_LEN, - dpaa2_switch_ethtool_counters[i].name, - ETH_GSTRING_LEN); - break; - } -} - -static void dpaa2_switch_ethtool_get_stats(struct net_device *netdev, - struct ethtool_stats *stats, - u64 *data) -{ - struct ethsw_port_priv *port_priv = netdev_priv(netdev); - int i, err; - - for (i = 0; i < DPAA2_SWITCH_NUM_COUNTERS; i++) { - err = dpsw_if_get_counter(port_priv->ethsw_data->mc_io, 0, - port_priv->ethsw_data->dpsw_handle, - port_priv->idx, - dpaa2_switch_ethtool_counters[i].id, - &data[i]); - if (err) - netdev_err(netdev, "dpsw_if_get_counter[%s] err %d\n", - dpaa2_switch_ethtool_counters[i].name, err); - } -} - -const struct ethtool_ops dpaa2_switch_port_ethtool_ops = { - .get_drvinfo = dpaa2_switch_get_drvinfo, - .get_link = ethtool_op_get_link, - .get_link_ksettings = dpaa2_switch_get_link_ksettings, - .set_link_ksettings = dpaa2_switch_set_link_ksettings, - .get_strings = dpaa2_switch_ethtool_get_strings, - .get_ethtool_stats = dpaa2_switch_ethtool_get_stats, - .get_sset_count = dpaa2_switch_ethtool_get_sset_count, -}; 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