diff options
Diffstat (limited to 'drivers/net/ethernet/apm/xgene-v2/ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/apm/xgene-v2/ethtool.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/drivers/net/ethernet/apm/xgene-v2/ethtool.c b/drivers/net/ethernet/apm/xgene-v2/ethtool.c new file mode 100644 index 000000000000..b6666e418e79 --- /dev/null +++ b/drivers/net/ethernet/apm/xgene-v2/ethtool.c @@ -0,0 +1,187 @@ +/* + * Applied Micro X-Gene SoC Ethernet v2 Driver + * + * Copyright (c) 2017, Applied Micro Circuits Corporation + * Author(s): Iyappan Subramanian <isubramanian@apm.com> + * Keyur Chudgar <kchudgar@apm.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "main.h" + +#define XGE_STAT(m) { #m, offsetof(struct xge_pdata, stats.m) } +#define XGE_EXTD_STAT(m, n) \ + { \ + #m, \ + n, \ + 0 \ + } + +static const struct xge_gstrings_stats gstrings_stats[] = { + XGE_STAT(rx_packets), + XGE_STAT(tx_packets), + XGE_STAT(rx_bytes), + XGE_STAT(tx_bytes), + XGE_STAT(rx_errors) +}; + +static struct xge_gstrings_extd_stats gstrings_extd_stats[] = { + XGE_EXTD_STAT(tx_rx_64b_frame_cntr, TR64), + XGE_EXTD_STAT(tx_rx_127b_frame_cntr, TR127), + XGE_EXTD_STAT(tx_rx_255b_frame_cntr, TR255), + XGE_EXTD_STAT(tx_rx_511b_frame_cntr, TR511), + XGE_EXTD_STAT(tx_rx_1023b_frame_cntr, TR1K), + XGE_EXTD_STAT(tx_rx_1518b_frame_cntr, TRMAX), + XGE_EXTD_STAT(tx_rx_1522b_frame_cntr, TRMGV), + XGE_EXTD_STAT(rx_fcs_error_cntr, RFCS), + XGE_EXTD_STAT(rx_multicast_pkt_cntr, RMCA), + XGE_EXTD_STAT(rx_broadcast_pkt_cntr, RBCA), + XGE_EXTD_STAT(rx_ctrl_frame_pkt_cntr, RXCF), + XGE_EXTD_STAT(rx_pause_frame_pkt_cntr, RXPF), + XGE_EXTD_STAT(rx_unk_opcode_cntr, RXUO), + XGE_EXTD_STAT(rx_align_err_cntr, RALN), + XGE_EXTD_STAT(rx_frame_len_err_cntr, RFLR), + XGE_EXTD_STAT(rx_code_err_cntr, RCDE), + XGE_EXTD_STAT(rx_carrier_sense_err_cntr, RCSE), + XGE_EXTD_STAT(rx_undersize_pkt_cntr, RUND), + XGE_EXTD_STAT(rx_oversize_pkt_cntr, ROVR), + XGE_EXTD_STAT(rx_fragments_cntr, RFRG), + XGE_EXTD_STAT(rx_jabber_cntr, RJBR), + XGE_EXTD_STAT(rx_dropped_pkt_cntr, RDRP), + XGE_EXTD_STAT(tx_multicast_pkt_cntr, TMCA), + XGE_EXTD_STAT(tx_broadcast_pkt_cntr, TBCA), + XGE_EXTD_STAT(tx_pause_ctrl_frame_cntr, TXPF), + XGE_EXTD_STAT(tx_defer_pkt_cntr, TDFR), + XGE_EXTD_STAT(tx_excv_defer_pkt_cntr, TEDF), + XGE_EXTD_STAT(tx_single_col_pkt_cntr, TSCL), + XGE_EXTD_STAT(tx_multi_col_pkt_cntr, TMCL), + XGE_EXTD_STAT(tx_late_col_pkt_cntr, TLCL), + XGE_EXTD_STAT(tx_excv_col_pkt_cntr, TXCL), + XGE_EXTD_STAT(tx_total_col_cntr, TNCL), + XGE_EXTD_STAT(tx_pause_frames_hnrd_cntr, TPFH), + XGE_EXTD_STAT(tx_drop_frame_cntr, TDRP), + XGE_EXTD_STAT(tx_jabber_frame_cntr, TJBR), + XGE_EXTD_STAT(tx_fcs_error_cntr, TFCS), + XGE_EXTD_STAT(tx_ctrl_frame_cntr, TXCF), + XGE_EXTD_STAT(tx_oversize_frame_cntr, TOVR), + XGE_EXTD_STAT(tx_undersize_frame_cntr, TUND), + XGE_EXTD_STAT(tx_fragments_cntr, TFRG) +}; + +#define XGE_STATS_LEN ARRAY_SIZE(gstrings_stats) +#define XGE_EXTD_STATS_LEN ARRAY_SIZE(gstrings_extd_stats) + +static void xge_mac_get_extd_stats(struct xge_pdata *pdata) +{ + u32 data; + int i; + + for (i = 0; i < XGE_EXTD_STATS_LEN; i++) { + data = xge_rd_csr(pdata, gstrings_extd_stats[i].addr); + gstrings_extd_stats[i].value += data; + } +} + +static void xge_get_drvinfo(struct net_device *ndev, + struct ethtool_drvinfo *info) +{ + struct xge_pdata *pdata = netdev_priv(ndev); + struct platform_device *pdev = pdata->pdev; + + strcpy(info->driver, "xgene-enet-v2"); + strcpy(info->version, XGENE_ENET_V2_VERSION); + snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "N/A"); + sprintf(info->bus_info, "%s", pdev->name); +} + +static void xge_get_strings(struct net_device *ndev, u32 stringset, u8 *data) +{ + u8 *p = data; + int i; + + if (stringset != ETH_SS_STATS) + return; + + for (i = 0; i < XGE_STATS_LEN; i++) { + memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + + for (i = 0; i < XGE_EXTD_STATS_LEN; i++) { + memcpy(p, gstrings_extd_stats[i].name, ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } +} + +static int xge_get_sset_count(struct net_device *ndev, int sset) +{ + if (sset != ETH_SS_STATS) + return -EINVAL; + + return XGE_STATS_LEN + XGE_EXTD_STATS_LEN; +} + +static void xge_get_ethtool_stats(struct net_device *ndev, + struct ethtool_stats *dummy, + u64 *data) +{ + void *pdata = netdev_priv(ndev); + int i; + + for (i = 0; i < XGE_STATS_LEN; i++) + *data++ = *(u64 *)(pdata + gstrings_stats[i].offset); + + xge_mac_get_extd_stats(pdata); + + for (i = 0; i < XGE_EXTD_STATS_LEN; i++) + *data++ = gstrings_extd_stats[i].value; +} + +static int xge_get_link_ksettings(struct net_device *ndev, + struct ethtool_link_ksettings *cmd) +{ + struct phy_device *phydev = ndev->phydev; + + if (!phydev) + return -ENODEV; + + return phy_ethtool_ksettings_get(phydev, cmd); +} + +static int xge_set_link_ksettings(struct net_device *ndev, + const struct ethtool_link_ksettings *cmd) +{ + struct phy_device *phydev = ndev->phydev; + + if (!phydev) + return -ENODEV; + + return phy_ethtool_ksettings_set(phydev, cmd); +} + +static const struct ethtool_ops xge_ethtool_ops = { + .get_drvinfo = xge_get_drvinfo, + .get_link = ethtool_op_get_link, + .get_strings = xge_get_strings, + .get_sset_count = xge_get_sset_count, + .get_ethtool_stats = xge_get_ethtool_stats, + .get_link_ksettings = xge_get_link_ksettings, + .set_link_ksettings = xge_set_link_ksettings, +}; + +void xge_set_ethtool_ops(struct net_device *ndev) +{ + ndev->ethtool_ops = &xge_ethtool_ops; +} |