Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Timur Tabi | 1010 | 97.68% | 6 | 54.55% |
Hao Chen | 10 | 0.97% | 1 | 9.09% |
Florian Fainelli | 10 | 0.97% | 1 | 9.09% |
Thomas Gleixner | 2 | 0.19% | 1 | 9.09% |
Dan Carpenter | 1 | 0.10% | 1 | 9.09% |
Hui Wang | 1 | 0.10% | 1 | 9.09% |
Total | 1034 | 11 |
// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016, The Linux Foundation. All rights reserved. */ #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_PRIV_FLAGS: return 1; 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_PRIV_FLAGS: strcpy(data, "single-pause-mode"); break; case ETH_SS_STATS: for (i = 0; i < EMAC_STATS_LEN; i++) { strscpy(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 kernel_ethtool_ringparam *kernel_ring, struct netlink_ext_ack *extack) { 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 int emac_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, struct kernel_ethtool_ringparam *kernel_ring, struct netlink_ext_ack *extack) { struct emac_adapter *adpt = netdev_priv(netdev); /* We don't have separate queues/rings for small/large frames, so * reject any attempt to specify those values separately. */ if (ring->rx_mini_pending || ring->rx_jumbo_pending) return -EINVAL; adpt->tx_desc_cnt = clamp_val(ring->tx_pending, EMAC_MIN_TX_DESCS, EMAC_MAX_TX_DESCS); adpt->rx_desc_cnt = clamp_val(ring->rx_pending, EMAC_MIN_RX_DESCS, EMAC_MAX_RX_DESCS); if (netif_running(netdev)) return emac_reinit_locked(adpt); return 0; } static void emac_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { struct emac_adapter *adpt = netdev_priv(netdev); pause->autoneg = adpt->automatic ? AUTONEG_ENABLE : AUTONEG_DISABLE; pause->rx_pause = adpt->rx_flow_control ? 1 : 0; pause->tx_pause = adpt->tx_flow_control ? 1 : 0; } static int emac_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { struct emac_adapter *adpt = netdev_priv(netdev); adpt->automatic = pause->autoneg == AUTONEG_ENABLE; adpt->rx_flow_control = pause->rx_pause != 0; adpt->tx_flow_control = pause->tx_pause != 0; if (netif_running(netdev)) return emac_reinit_locked(adpt); return 0; } /* Selected registers that might want to track during runtime. */ static const u16 emac_regs[] = { EMAC_DMA_MAS_CTRL, EMAC_MAC_CTRL, EMAC_TXQ_CTRL_0, EMAC_RXQ_CTRL_0, EMAC_DMA_CTRL, EMAC_INT_MASK, EMAC_AXI_MAST_CTRL, EMAC_CORE_HW_VERSION, EMAC_MISC_CTRL, }; /* Every time emac_regs[] above is changed, increase this version number. */ #define EMAC_REGS_VERSION 0 #define EMAC_MAX_REG_SIZE ARRAY_SIZE(emac_regs) static void emac_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buff) { struct emac_adapter *adpt = netdev_priv(netdev); u32 *val = buff; unsigned int i; regs->version = EMAC_REGS_VERSION; regs->len = EMAC_MAX_REG_SIZE * sizeof(u32); for (i = 0; i < EMAC_MAX_REG_SIZE; i++) val[i] = readl(adpt->base + emac_regs[i]); } static int emac_get_regs_len(struct net_device *netdev) { return EMAC_MAX_REG_SIZE * sizeof(u32); } #define EMAC_PRIV_ENABLE_SINGLE_PAUSE BIT(0) static int emac_set_priv_flags(struct net_device *netdev, u32 flags) { struct emac_adapter *adpt = netdev_priv(netdev); adpt->single_pause_mode = !!(flags & EMAC_PRIV_ENABLE_SINGLE_PAUSE); if (netif_running(netdev)) return emac_reinit_locked(adpt); return 0; } static u32 emac_get_priv_flags(struct net_device *netdev) { struct emac_adapter *adpt = netdev_priv(netdev); return adpt->single_pause_mode ? EMAC_PRIV_ENABLE_SINGLE_PAUSE : 0; } 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, .set_ringparam = emac_set_ringparam, .get_pauseparam = emac_get_pauseparam, .set_pauseparam = emac_set_pauseparam, .nway_reset = emac_nway_reset, .get_link = ethtool_op_get_link, .get_regs_len = emac_get_regs_len, .get_regs = emac_get_regs, .set_priv_flags = emac_set_priv_flags, .get_priv_flags = emac_get_priv_flags, }; void emac_set_ethtool_ops(struct net_device *netdev) { netdev->ethtool_ops = &emac_ethtool_ops; }
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