Add icssg_ethtool.c file. This file will be used for dumping statistics via ethtool for ICSSG ethernet driver. Signed-off-by: MD Danish Anwar <danishanwar@xxxxxx> Reviewed-by: Andrew Lunn <andrew@xxxxxxx> --- drivers/net/ethernet/ti/Makefile | 2 +- drivers/net/ethernet/ti/icssg_ethtool.c | 154 ++++++++++++++++++++++++ drivers/net/ethernet/ti/icssg_prueth.c | 1 + drivers/net/ethernet/ti/icssg_prueth.h | 3 + 4 files changed, 159 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/ti/icssg_ethtool.c diff --git a/drivers/net/ethernet/ti/Makefile b/drivers/net/ethernet/ti/Makefile index d2b62e328660..52b9548444a9 100644 --- a/drivers/net/ethernet/ti/Makefile +++ b/drivers/net/ethernet/ti/Makefile @@ -30,4 +30,4 @@ ti-am65-cpsw-nuss-$(CONFIG_TI_K3_AM65_CPSW_SWITCHDEV) += am65-cpsw-switchdev.o obj-$(CONFIG_TI_K3_AM65_CPTS) += am65-cpts.o obj-$(CONFIG_TI_ICSSG_PRUETH) += icssg-prueth.o -icssg-prueth-y := icssg_prueth.o icssg_classifier.o icssg_queues.o icssg_config.o k3-cppi-desc-pool.o icssg_mii_cfg.o icssg_stats.o +icssg-prueth-y := icssg_prueth.o icssg_classifier.o icssg_queues.o icssg_config.o k3-cppi-desc-pool.o icssg_mii_cfg.o icssg_stats.o icssg_ethtool.o diff --git a/drivers/net/ethernet/ti/icssg_ethtool.c b/drivers/net/ethernet/ti/icssg_ethtool.c new file mode 100644 index 000000000000..0d0debad44c6 --- /dev/null +++ b/drivers/net/ethernet/ti/icssg_ethtool.c @@ -0,0 +1,154 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Texas Instruments ICSSG Ethernet driver + * + * Copyright (C) 2018-2022 Texas Instruments Incorporated - https://www.ti.com/ + * + */ + +#include "icssg_prueth.h" +#include "icssg_stats.h" + +static void emac_get_drvinfo(struct net_device *ndev, + struct ethtool_drvinfo *info) +{ + struct prueth_emac *emac = netdev_priv(ndev); + struct prueth *prueth = emac->prueth; + + strscpy(info->driver, dev_driver_string(prueth->dev), + sizeof(info->driver)); + strscpy(info->bus_info, dev_name(prueth->dev), sizeof(info->bus_info)); +} + +static u32 emac_get_msglevel(struct net_device *ndev) +{ + struct prueth_emac *emac = netdev_priv(ndev); + + return emac->msg_enable; +} + +static void emac_set_msglevel(struct net_device *ndev, u32 value) +{ + struct prueth_emac *emac = netdev_priv(ndev); + + emac->msg_enable = value; +} + +static int emac_get_link_ksettings(struct net_device *ndev, + struct ethtool_link_ksettings *ecmd) +{ + return phy_ethtool_get_link_ksettings(ndev, ecmd); +} + +static int emac_set_link_ksettings(struct net_device *ndev, + const struct ethtool_link_ksettings *ecmd) +{ + return phy_ethtool_set_link_ksettings(ndev, ecmd); +} + +static int emac_get_eee(struct net_device *ndev, struct ethtool_eee *edata) +{ + if (!ndev->phydev) + return -EOPNOTSUPP; + + return phy_ethtool_get_eee(ndev->phydev, edata); +} + +static int emac_set_eee(struct net_device *ndev, struct ethtool_eee *edata) +{ + if (!ndev->phydev) + return -EOPNOTSUPP; + + return phy_ethtool_set_eee(ndev->phydev, edata); +} + +static int emac_nway_reset(struct net_device *ndev) +{ + return phy_ethtool_nway_reset(ndev); +} + +static int emac_get_sset_count(struct net_device *ndev, int stringset) +{ + switch (stringset) { + case ETH_SS_STATS: + return ICSSG_NUM_ETHTOOL_STATS; + default: + return -EOPNOTSUPP; + } +} + +static void emac_get_strings(struct net_device *ndev, u32 stringset, u8 *data) +{ + u8 *p = data; + int i; + + switch (stringset) { + case ETH_SS_STATS: + for (i = 0; i < ARRAY_SIZE(icssg_all_stats); i++) { + if (!icssg_all_stats[i].standard_stats) { + memcpy(p, icssg_all_stats[i].name, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + } + break; + default: + break; + } +} + +static void emac_get_ethtool_stats(struct net_device *ndev, + struct ethtool_stats *stats, u64 *data) +{ + struct prueth_emac *emac = netdev_priv(ndev); + int i; + + emac_update_hardware_stats(emac); + + for (i = 0; i < ARRAY_SIZE(icssg_all_stats); i++) + if (!icssg_all_stats[i].standard_stats) + *(data++) = emac->stats[i]; +} + +static int emac_set_channels(struct net_device *ndev, + struct ethtool_channels *ch) +{ + struct prueth_emac *emac = netdev_priv(ndev); + + /* Check if interface is up. Can change the num queues when + * the interface is down. + */ + if (netif_running(emac->ndev)) + return -EBUSY; + + emac->tx_ch_num = ch->tx_count; + + return 0; +} + +static void emac_get_channels(struct net_device *ndev, + struct ethtool_channels *ch) +{ + struct prueth_emac *emac = netdev_priv(ndev); + + ch->max_rx = 1; + ch->max_tx = PRUETH_MAX_TX_QUEUES; + ch->rx_count = 1; + ch->tx_count = emac->tx_ch_num; +} + +const struct ethtool_ops icssg_ethtool_ops = { + .get_drvinfo = emac_get_drvinfo, + .get_msglevel = emac_get_msglevel, + .set_msglevel = emac_set_msglevel, + .get_sset_count = emac_get_sset_count, + .get_ethtool_stats = emac_get_ethtool_stats, + .get_strings = emac_get_strings, + .get_channels = emac_get_channels, + .set_channels = emac_set_channels, + .get_link_ksettings = emac_get_link_ksettings, + .set_link_ksettings = emac_set_link_ksettings, + .get_link = ethtool_op_get_link, + .get_eee = emac_get_eee, + .set_eee = emac_set_eee, + .nway_reset = emac_nway_reset, +}; diff --git a/drivers/net/ethernet/ti/icssg_prueth.c b/drivers/net/ethernet/ti/icssg_prueth.c index 45fa271dd014..a34e29ed3351 100644 --- a/drivers/net/ethernet/ti/icssg_prueth.c +++ b/drivers/net/ethernet/ti/icssg_prueth.c @@ -1440,6 +1440,7 @@ static int prueth_netdev_init(struct prueth *prueth, ndev->min_mtu = PRUETH_MIN_PKT_SIZE; ndev->max_mtu = PRUETH_MAX_MTU; ndev->netdev_ops = &emac_netdev_ops; + ndev->ethtool_ops = &icssg_ethtool_ops; ndev->hw_features = NETIF_F_SG; ndev->features = ndev->hw_features; diff --git a/drivers/net/ethernet/ti/icssg_prueth.h b/drivers/net/ethernet/ti/icssg_prueth.h index b3c7b4e0b2b7..7b1e1062b5e8 100644 --- a/drivers/net/ethernet/ti/icssg_prueth.h +++ b/drivers/net/ethernet/ti/icssg_prueth.h @@ -48,6 +48,7 @@ /* Number of ICSSG related stats */ #define ICSSG_NUM_STATS 60 #define ICSSG_NUM_STANDARD_STATS 6 +#define ICSSG_NUM_ETHTOOL_STATS (ICSSG_NUM_STATS - ICSSG_NUM_STANDARD_STATS) /* Firmware status codes */ #define ICSS_HS_FW_READY 0x55555555 @@ -239,6 +240,8 @@ static inline int prueth_emac_slice(struct prueth_emac *emac) } } +extern const struct ethtool_ops icssg_ethtool_ops; + /* config helpers */ void icssg_config_ipg(struct prueth_emac *emac); int icssg_config(struct prueth *prueth, struct prueth_emac *emac, -- 2.34.1
