diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/emac/emac-ethtool.c')
-rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-ethtool.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c b/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c new file mode 100644 index 000000000000..cfc57d2c64f9 --- /dev/null +++ b/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c @@ -0,0 +1,185 @@ +/* Copyright (c) 2016, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/ethtool.h> +#include <linux/phy.h> + +#include "emac.h" + +static const char * const emac_ethtool_stat_strings[] = { + "rx_ok", + "rx_bcast", + "rx_mcast", + "rx_pause", + "rx_ctrl", + "rx_fcs_err", + "rx_len_err", + "rx_byte_cnt", + "rx_runt", + "rx_frag", + "rx_sz_64", + "rx_sz_65_127", + "rx_sz_128_255", + "rx_sz_256_511", + "rx_sz_512_1023", + "rx_sz_1024_1518", + "rx_sz_1519_max", + "rx_sz_ov", + "rx_rxf_ov", + "rx_align_err", + "rx_bcast_byte_cnt", + "rx_mcast_byte_cnt", + "rx_err_addr", + "rx_crc_align", + "rx_jabbers", + "tx_ok", + "tx_bcast", + "tx_mcast", + "tx_pause", + "tx_exc_defer", + "tx_ctrl", + "tx_defer", + "tx_byte_cnt", + "tx_sz_64", + "tx_sz_65_127", + "tx_sz_128_255", + "tx_sz_256_511", + "tx_sz_512_1023", + "tx_sz_1024_1518", + "tx_sz_1519_max", + "tx_1_col", + "tx_2_col", + "tx_late_col", + "tx_abort_col", + "tx_underrun", + "tx_rd_eop", + "tx_len_err", + "tx_trunc", + "tx_bcast_byte", + "tx_mcast_byte", + "tx_col", +}; + +#define EMAC_STATS_LEN ARRAY_SIZE(emac_ethtool_stat_strings) + +static u32 emac_get_msglevel(struct net_device *netdev) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + return adpt->msg_enable; +} + +static void emac_set_msglevel(struct net_device *netdev, u32 data) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + adpt->msg_enable = data; +} + +static int emac_get_sset_count(struct net_device *netdev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return EMAC_STATS_LEN; + default: + return -EOPNOTSUPP; + } +} + +static void emac_get_strings(struct net_device *netdev, u32 stringset, u8 *data) +{ + unsigned int i; + + switch (stringset) { + case ETH_SS_STATS: + for (i = 0; i < EMAC_STATS_LEN; i++) { + strlcpy(data, emac_ethtool_stat_strings[i], + ETH_GSTRING_LEN); + data += ETH_GSTRING_LEN; + } + break; + } +} + +static void emac_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, + u64 *data) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + spin_lock(&adpt->stats.lock); + + emac_update_hw_stats(adpt); + memcpy(data, &adpt->stats, EMAC_STATS_LEN * sizeof(u64)); + + spin_unlock(&adpt->stats.lock); +} + +static int emac_nway_reset(struct net_device *netdev) +{ + struct phy_device *phydev = netdev->phydev; + + if (!phydev) + return -ENODEV; + + return genphy_restart_aneg(phydev); +} + +static void emac_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + ring->rx_max_pending = EMAC_MAX_RX_DESCS; + ring->tx_max_pending = EMAC_MAX_TX_DESCS; + ring->rx_pending = adpt->rx_desc_cnt; + ring->tx_pending = adpt->tx_desc_cnt; +} + +static void emac_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct phy_device *phydev = netdev->phydev; + + if (phydev) { + if (phydev->autoneg) + pause->autoneg = 1; + if (phydev->pause) + pause->rx_pause = 1; + if (phydev->pause != phydev->asym_pause) + pause->tx_pause = 1; + } +} + +static const struct ethtool_ops emac_ethtool_ops = { + .get_link_ksettings = phy_ethtool_get_link_ksettings, + .set_link_ksettings = phy_ethtool_set_link_ksettings, + + .get_msglevel = emac_get_msglevel, + .set_msglevel = emac_set_msglevel, + + .get_sset_count = emac_get_sset_count, + .get_strings = emac_get_strings, + .get_ethtool_stats = emac_get_ethtool_stats, + + .get_ringparam = emac_get_ringparam, + .get_pauseparam = emac_get_pauseparam, + + .nway_reset = emac_nway_reset, + + .get_link = ethtool_op_get_link, +}; + +void emac_set_ethtool_ops(struct net_device *netdev) +{ + netdev->ethtool_ops = &emac_ethtool_ops; +} |