Added basic ethtool support. Signed-off-by: Iyappan Subramanian <isubraman...@apm.com> --- drivers/net/ethernet/apm/xgene-v2/Makefile | 2 +- drivers/net/ethernet/apm/xgene-v2/ethtool.c | 121 ++++++++++++++++++++++++++++ drivers/net/ethernet/apm/xgene-v2/main.c | 1 + drivers/net/ethernet/apm/xgene-v2/main.h | 1 + 4 files changed, 124 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/apm/xgene-v2/ethtool.c
diff --git a/drivers/net/ethernet/apm/xgene-v2/Makefile b/drivers/net/ethernet/apm/xgene-v2/Makefile index 0fa5975..f16a2b3 100644 --- a/drivers/net/ethernet/apm/xgene-v2/Makefile +++ b/drivers/net/ethernet/apm/xgene-v2/Makefile @@ -2,5 +2,5 @@ # Makefile for APM X-Gene Ethernet v2 driver # -xgene-enet-v2-objs := main.o mac.o enet.o ring.o mdio.o +xgene-enet-v2-objs := main.o mac.o enet.o ring.o mdio.o ethtool.o obj-$(CONFIG_NET_XGENE_V2) += xgene-enet-v2.o 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 0000000..0c426f5 --- /dev/null +++ b/drivers/net/ethernet/apm/xgene-v2/ethtool.c @@ -0,0 +1,121 @@ +/* + * Applied Micro X-Gene SoC Ethernet v2 Driver + * + * Copyright (c) 2017, Applied Micro Circuits Corporation + * Author(s): Iyappan Subramanian <isubraman...@apm.com> + * Keyur Chudgar <kchud...@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" + +struct xge_gstrings_stats { + char name[ETH_GSTRING_LEN]; + int offset; +}; + +#define XGE_STAT(m) { #m, offsetof(struct xge_pdata, stats.m) } + +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) +}; + +#define XGE_STATS_LEN ARRAY_SIZE(gstrings_stats) + +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; + } +} + +static int xge_get_sset_count(struct net_device *ndev, int sset) +{ + if (sset != ETH_SS_STATS) + return -EINVAL; + + return XGE_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); +} + +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; +} diff --git a/drivers/net/ethernet/apm/xgene-v2/main.c b/drivers/net/ethernet/apm/xgene-v2/main.c index 82ac5b4..e764e58 100644 --- a/drivers/net/ethernet/apm/xgene-v2/main.c +++ b/drivers/net/ethernet/apm/xgene-v2/main.c @@ -673,6 +673,7 @@ static int xge_probe(struct platform_device *pdev) goto err; ndev->hw_features = ndev->features; + xge_set_ethtool_ops(ndev); ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(64)); if (ret) { diff --git a/drivers/net/ethernet/apm/xgene-v2/main.h b/drivers/net/ethernet/apm/xgene-v2/main.h index 777f254..db1178e 100644 --- a/drivers/net/ethernet/apm/xgene-v2/main.h +++ b/drivers/net/ethernet/apm/xgene-v2/main.h @@ -75,5 +75,6 @@ struct xge_pdata { int xge_mdio_config(struct net_device *ndev); void xge_mdio_remove(struct net_device *ndev); +void xge_set_ethtool_ops(struct net_device *ndev); #endif /* __XGENE_ENET_V2_MAIN_H__ */ -- 1.9.1
