diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/enetc/enetc_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc_ethtool.c | 228 |
1 files changed, 223 insertions, 5 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c index 05e2bad609c6..bca68edfbe9c 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* Copyright 2017-2019 NXP */ +#include <linux/ethtool_netlink.h> #include <linux/net_tstamp.h> #include <linux/module.h> #include "enetc.h" @@ -299,14 +300,32 @@ static void enetc_get_ethtool_stats(struct net_device *ndev, data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg); } +static void enetc_pause_stats(struct enetc_hw *hw, int mac, + struct ethtool_pause_stats *pause_stats) +{ + pause_stats->tx_pause_frames = enetc_port_rd(hw, ENETC_PM_TXPF(mac)); + pause_stats->rx_pause_frames = enetc_port_rd(hw, ENETC_PM_RXPF(mac)); +} + static void enetc_get_pause_stats(struct net_device *ndev, struct ethtool_pause_stats *pause_stats) { struct enetc_ndev_priv *priv = netdev_priv(ndev); struct enetc_hw *hw = &priv->si->hw; + struct enetc_si *si = priv->si; - pause_stats->tx_pause_frames = enetc_port_rd(hw, ENETC_PM_TXPF(0)); - pause_stats->rx_pause_frames = enetc_port_rd(hw, ENETC_PM_RXPF(0)); + switch (pause_stats->src) { + case ETHTOOL_MAC_STATS_SRC_EMAC: + enetc_pause_stats(hw, 0, pause_stats); + break; + case ETHTOOL_MAC_STATS_SRC_PMAC: + if (si->hw_features & ENETC_SI_F_QBU) + enetc_pause_stats(hw, 1, pause_stats); + break; + case ETHTOOL_MAC_STATS_SRC_AGGREGATE: + ethtool_aggregate_pause_stats(ndev, pause_stats); + break; + } } static void enetc_mac_stats(struct enetc_hw *hw, int mac, @@ -383,8 +402,20 @@ static void enetc_get_eth_mac_stats(struct net_device *ndev, { struct enetc_ndev_priv *priv = netdev_priv(ndev); struct enetc_hw *hw = &priv->si->hw; + struct enetc_si *si = priv->si; - enetc_mac_stats(hw, 0, mac_stats); + switch (mac_stats->src) { + case ETHTOOL_MAC_STATS_SRC_EMAC: + enetc_mac_stats(hw, 0, mac_stats); + break; + case ETHTOOL_MAC_STATS_SRC_PMAC: + if (si->hw_features & ENETC_SI_F_QBU) + enetc_mac_stats(hw, 1, mac_stats); + break; + case ETHTOOL_MAC_STATS_SRC_AGGREGATE: + ethtool_aggregate_mac_stats(ndev, mac_stats); + break; + } } static void enetc_get_eth_ctrl_stats(struct net_device *ndev, @@ -392,8 +423,20 @@ static void enetc_get_eth_ctrl_stats(struct net_device *ndev, { struct enetc_ndev_priv *priv = netdev_priv(ndev); struct enetc_hw *hw = &priv->si->hw; + struct enetc_si *si = priv->si; - enetc_ctrl_stats(hw, 0, ctrl_stats); + switch (ctrl_stats->src) { + case ETHTOOL_MAC_STATS_SRC_EMAC: + enetc_ctrl_stats(hw, 0, ctrl_stats); + break; + case ETHTOOL_MAC_STATS_SRC_PMAC: + if (si->hw_features & ENETC_SI_F_QBU) + enetc_ctrl_stats(hw, 1, ctrl_stats); + break; + case ETHTOOL_MAC_STATS_SRC_AGGREGATE: + ethtool_aggregate_ctrl_stats(ndev, ctrl_stats); + break; + } } static void enetc_get_rmon_stats(struct net_device *ndev, @@ -402,8 +445,20 @@ static void enetc_get_rmon_stats(struct net_device *ndev, { struct enetc_ndev_priv *priv = netdev_priv(ndev); struct enetc_hw *hw = &priv->si->hw; + struct enetc_si *si = priv->si; - enetc_rmon_stats(hw, 0, rmon_stats, ranges); + switch (rmon_stats->src) { + case ETHTOOL_MAC_STATS_SRC_EMAC: + enetc_rmon_stats(hw, 0, rmon_stats, ranges); + break; + case ETHTOOL_MAC_STATS_SRC_PMAC: + if (si->hw_features & ENETC_SI_F_QBU) + enetc_rmon_stats(hw, 1, rmon_stats, ranges); + break; + case ETHTOOL_MAC_STATS_SRC_AGGREGATE: + ethtool_aggregate_rmon_stats(ndev, rmon_stats); + break; + } } #define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \ @@ -863,6 +918,166 @@ static int enetc_set_link_ksettings(struct net_device *dev, return phylink_ethtool_ksettings_set(priv->phylink, cmd); } +static void enetc_get_mm_stats(struct net_device *ndev, + struct ethtool_mm_stats *s) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_hw *hw = &priv->si->hw; + struct enetc_si *si = priv->si; + + if (!(si->hw_features & ENETC_SI_F_QBU)) + return; + + s->MACMergeFrameAssErrorCount = enetc_port_rd(hw, ENETC_MMFAECR); + s->MACMergeFrameSmdErrorCount = enetc_port_rd(hw, ENETC_MMFSECR); + s->MACMergeFrameAssOkCount = enetc_port_rd(hw, ENETC_MMFAOCR); + s->MACMergeFragCountRx = enetc_port_rd(hw, ENETC_MMFCRXR); + s->MACMergeFragCountTx = enetc_port_rd(hw, ENETC_MMFCTXR); + s->MACMergeHoldCount = enetc_port_rd(hw, ENETC_MMHCR); +} + +static int enetc_get_mm(struct net_device *ndev, struct ethtool_mm_state *state) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_si *si = priv->si; + struct enetc_hw *hw = &si->hw; + u32 lafs, rafs, val; + + if (!(si->hw_features & ENETC_SI_F_QBU)) + return -EOPNOTSUPP; + + mutex_lock(&priv->mm_lock); + + val = enetc_port_rd(hw, ENETC_PFPMR); + state->pmac_enabled = !!(val & ENETC_PFPMR_PMACE); + + val = enetc_port_rd(hw, ENETC_MMCSR); + + switch (ENETC_MMCSR_GET_VSTS(val)) { + case 0: + state->verify_status = ETHTOOL_MM_VERIFY_STATUS_DISABLED; + break; + case 2: + state->verify_status = ETHTOOL_MM_VERIFY_STATUS_VERIFYING; + break; + case 3: + state->verify_status = ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED; + break; + case 4: + state->verify_status = ETHTOOL_MM_VERIFY_STATUS_FAILED; + break; + case 5: + default: + state->verify_status = ETHTOOL_MM_VERIFY_STATUS_UNKNOWN; + break; + } + + rafs = ENETC_MMCSR_GET_RAFS(val); + state->tx_min_frag_size = ethtool_mm_frag_size_add_to_min(rafs); + lafs = ENETC_MMCSR_GET_LAFS(val); + state->rx_min_frag_size = ethtool_mm_frag_size_add_to_min(lafs); + state->tx_enabled = !!(val & ENETC_MMCSR_LPE); /* mirror of MMCSR_ME */ + state->tx_active = !!(val & ENETC_MMCSR_LPA); + state->verify_enabled = !(val & ENETC_MMCSR_VDIS); + state->verify_time = ENETC_MMCSR_GET_VT(val); + /* A verifyTime of 128 ms would exceed the 7 bit width + * of the ENETC_MMCSR_VT field + */ + state->max_verify_time = 127; + + mutex_unlock(&priv->mm_lock); + + return 0; +} + +static int enetc_set_mm(struct net_device *ndev, struct ethtool_mm_cfg *cfg, + struct netlink_ext_ack *extack) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_hw *hw = &priv->si->hw; + struct enetc_si *si = priv->si; + u32 val, add_frag_size; + int err; + + if (!(si->hw_features & ENETC_SI_F_QBU)) + return -EOPNOTSUPP; + + err = ethtool_mm_frag_size_min_to_add(cfg->tx_min_frag_size, + &add_frag_size, extack); + if (err) + return err; + + mutex_lock(&priv->mm_lock); + + val = enetc_port_rd(hw, ENETC_PFPMR); + if (cfg->pmac_enabled) + val |= ENETC_PFPMR_PMACE; + else + val &= ~ENETC_PFPMR_PMACE; + enetc_port_wr(hw, ENETC_PFPMR, val); + + val = enetc_port_rd(hw, ENETC_MMCSR); + + if (cfg->verify_enabled) + val &= ~ENETC_MMCSR_VDIS; + else + val |= ENETC_MMCSR_VDIS; + + if (cfg->tx_enabled) + priv->active_offloads |= ENETC_F_QBU; + else + priv->active_offloads &= ~ENETC_F_QBU; + + /* If link is up, enable MAC Merge right away */ + if (!!(priv->active_offloads & ENETC_F_QBU) && + !(val & ENETC_MMCSR_LINK_FAIL)) + val |= ENETC_MMCSR_ME; + + val &= ~ENETC_MMCSR_VT_MASK; + val |= ENETC_MMCSR_VT(cfg->verify_time); + + val &= ~ENETC_MMCSR_RAFS_MASK; + val |= ENETC_MMCSR_RAFS(add_frag_size); + + enetc_port_wr(hw, ENETC_MMCSR, val); + + mutex_unlock(&priv->mm_lock); + + return 0; +} + +/* When the link is lost, the verification state machine goes to the FAILED + * state and doesn't restart on its own after a new link up event. + * According to 802.3 Figure 99-8 - Verify state diagram, the LINK_FAIL bit + * should have been sufficient to re-trigger verification, but for ENETC it + * doesn't. As a workaround, we need to toggle the Merge Enable bit to + * re-trigger verification when link comes up. + */ +void enetc_mm_link_state_update(struct enetc_ndev_priv *priv, bool link) +{ + struct enetc_hw *hw = &priv->si->hw; + u32 val; + + mutex_lock(&priv->mm_lock); + + val = enetc_port_rd(hw, ENETC_MMCSR); + + if (link) { + val &= ~ENETC_MMCSR_LINK_FAIL; + if (priv->active_offloads & ENETC_F_QBU) + val |= ENETC_MMCSR_ME; + } else { + val |= ENETC_MMCSR_LINK_FAIL; + if (priv->active_offloads & ENETC_F_QBU) + val &= ~ENETC_MMCSR_ME; + } + + enetc_port_wr(hw, ENETC_MMCSR, val); + + mutex_unlock(&priv->mm_lock); +} +EXPORT_SYMBOL_GPL(enetc_mm_link_state_update); + static const struct ethtool_ops enetc_pf_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_MAX_FRAMES | @@ -893,6 +1108,9 @@ static const struct ethtool_ops enetc_pf_ethtool_ops = { .set_wol = enetc_set_wol, .get_pauseparam = enetc_get_pauseparam, .set_pauseparam = enetc_set_pauseparam, + .get_mm = enetc_get_mm, + .set_mm = enetc_set_mm, + .get_mm_stats = enetc_get_mm_stats, }; static const struct ethtool_ops enetc_vf_ethtool_ops = { |