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911 lines
24 KiB
911 lines
24 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ |
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#include <linux/module.h> |
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#include <linux/netdevice.h> |
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#include <linux/sfp.h> |
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#include "ionic.h" |
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#include "ionic_bus.h" |
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#include "ionic_lif.h" |
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#include "ionic_ethtool.h" |
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#include "ionic_stats.h" |
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static const char ionic_priv_flags_strings[][ETH_GSTRING_LEN] = { |
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#define IONIC_PRIV_F_SW_DBG_STATS BIT(0) |
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"sw-dbg-stats", |
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}; |
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#define IONIC_PRIV_FLAGS_COUNT ARRAY_SIZE(ionic_priv_flags_strings) |
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static void ionic_get_stats_strings(struct ionic_lif *lif, u8 *buf) |
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{ |
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u32 i; |
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for (i = 0; i < ionic_num_stats_grps; i++) |
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ionic_stats_groups[i].get_strings(lif, &buf); |
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} |
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static void ionic_get_stats(struct net_device *netdev, |
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struct ethtool_stats *stats, u64 *buf) |
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{ |
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struct ionic_lif *lif; |
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u32 i; |
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lif = netdev_priv(netdev); |
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memset(buf, 0, stats->n_stats * sizeof(*buf)); |
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for (i = 0; i < ionic_num_stats_grps; i++) |
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ionic_stats_groups[i].get_values(lif, &buf); |
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} |
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static int ionic_get_stats_count(struct ionic_lif *lif) |
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{ |
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int i, num_stats = 0; |
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for (i = 0; i < ionic_num_stats_grps; i++) |
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num_stats += ionic_stats_groups[i].get_count(lif); |
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return num_stats; |
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} |
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static int ionic_get_sset_count(struct net_device *netdev, int sset) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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int count = 0; |
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switch (sset) { |
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case ETH_SS_STATS: |
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count = ionic_get_stats_count(lif); |
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break; |
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case ETH_SS_PRIV_FLAGS: |
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count = IONIC_PRIV_FLAGS_COUNT; |
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break; |
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} |
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return count; |
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} |
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static void ionic_get_strings(struct net_device *netdev, |
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u32 sset, u8 *buf) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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switch (sset) { |
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case ETH_SS_STATS: |
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ionic_get_stats_strings(lif, buf); |
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break; |
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case ETH_SS_PRIV_FLAGS: |
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memcpy(buf, ionic_priv_flags_strings, |
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IONIC_PRIV_FLAGS_COUNT * ETH_GSTRING_LEN); |
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break; |
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} |
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} |
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static void ionic_get_drvinfo(struct net_device *netdev, |
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struct ethtool_drvinfo *drvinfo) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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struct ionic *ionic = lif->ionic; |
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strlcpy(drvinfo->driver, IONIC_DRV_NAME, sizeof(drvinfo->driver)); |
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strlcpy(drvinfo->fw_version, ionic->idev.dev_info.fw_version, |
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sizeof(drvinfo->fw_version)); |
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strlcpy(drvinfo->bus_info, ionic_bus_info(ionic), |
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sizeof(drvinfo->bus_info)); |
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} |
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static int ionic_get_regs_len(struct net_device *netdev) |
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{ |
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return (IONIC_DEV_INFO_REG_COUNT + IONIC_DEV_CMD_REG_COUNT) * sizeof(u32); |
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} |
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static void ionic_get_regs(struct net_device *netdev, struct ethtool_regs *regs, |
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void *p) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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unsigned int offset; |
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unsigned int size; |
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regs->version = IONIC_DEV_CMD_REG_VERSION; |
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offset = 0; |
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size = IONIC_DEV_INFO_REG_COUNT * sizeof(u32); |
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memcpy_fromio(p + offset, lif->ionic->idev.dev_info_regs->words, size); |
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offset += size; |
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size = IONIC_DEV_CMD_REG_COUNT * sizeof(u32); |
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memcpy_fromio(p + offset, lif->ionic->idev.dev_cmd_regs->words, size); |
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} |
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static int ionic_get_link_ksettings(struct net_device *netdev, |
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struct ethtool_link_ksettings *ks) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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struct ionic_dev *idev = &lif->ionic->idev; |
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int copper_seen = 0; |
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ethtool_link_ksettings_zero_link_mode(ks, supported); |
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if (!idev->port_info) { |
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netdev_err(netdev, "port_info not initialized\n"); |
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return -EOPNOTSUPP; |
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} |
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/* The port_info data is found in a DMA space that the NIC keeps |
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* up-to-date, so there's no need to request the data from the |
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* NIC, we already have it in our memory space. |
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*/ |
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switch (le16_to_cpu(idev->port_info->status.xcvr.pid)) { |
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/* Copper */ |
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case IONIC_XCVR_PID_QSFP_100G_CR4: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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100000baseCR4_Full); |
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copper_seen++; |
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break; |
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case IONIC_XCVR_PID_QSFP_40GBASE_CR4: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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40000baseCR4_Full); |
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copper_seen++; |
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break; |
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case IONIC_XCVR_PID_SFP_25GBASE_CR_S: |
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case IONIC_XCVR_PID_SFP_25GBASE_CR_L: |
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case IONIC_XCVR_PID_SFP_25GBASE_CR_N: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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25000baseCR_Full); |
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copper_seen++; |
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break; |
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case IONIC_XCVR_PID_SFP_10GBASE_AOC: |
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case IONIC_XCVR_PID_SFP_10GBASE_CU: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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10000baseCR_Full); |
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copper_seen++; |
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break; |
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/* Fibre */ |
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case IONIC_XCVR_PID_QSFP_100G_SR4: |
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case IONIC_XCVR_PID_QSFP_100G_AOC: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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100000baseSR4_Full); |
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break; |
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case IONIC_XCVR_PID_QSFP_100G_CWDM4: |
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case IONIC_XCVR_PID_QSFP_100G_PSM4: |
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case IONIC_XCVR_PID_QSFP_100G_LR4: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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100000baseLR4_ER4_Full); |
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break; |
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case IONIC_XCVR_PID_QSFP_100G_ER4: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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100000baseLR4_ER4_Full); |
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break; |
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case IONIC_XCVR_PID_QSFP_40GBASE_SR4: |
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case IONIC_XCVR_PID_QSFP_40GBASE_AOC: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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40000baseSR4_Full); |
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break; |
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case IONIC_XCVR_PID_QSFP_40GBASE_LR4: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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40000baseLR4_Full); |
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break; |
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case IONIC_XCVR_PID_SFP_25GBASE_SR: |
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case IONIC_XCVR_PID_SFP_25GBASE_AOC: |
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case IONIC_XCVR_PID_SFP_25GBASE_ACC: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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25000baseSR_Full); |
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break; |
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case IONIC_XCVR_PID_SFP_10GBASE_SR: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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10000baseSR_Full); |
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break; |
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case IONIC_XCVR_PID_SFP_10GBASE_LR: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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10000baseLR_Full); |
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break; |
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case IONIC_XCVR_PID_SFP_10GBASE_LRM: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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10000baseLRM_Full); |
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break; |
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case IONIC_XCVR_PID_SFP_10GBASE_ER: |
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ethtool_link_ksettings_add_link_mode(ks, supported, |
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10000baseER_Full); |
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break; |
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case IONIC_XCVR_PID_UNKNOWN: |
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/* This means there's no module plugged in */ |
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break; |
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default: |
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dev_info(lif->ionic->dev, "unknown xcvr type pid=%d / 0x%x\n", |
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idev->port_info->status.xcvr.pid, |
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idev->port_info->status.xcvr.pid); |
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break; |
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} |
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bitmap_copy(ks->link_modes.advertising, ks->link_modes.supported, |
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__ETHTOOL_LINK_MODE_MASK_NBITS); |
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ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); |
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ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); |
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if (idev->port_info->config.fec_type == IONIC_PORT_FEC_TYPE_FC) |
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ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_BASER); |
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else if (idev->port_info->config.fec_type == IONIC_PORT_FEC_TYPE_RS) |
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ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); |
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ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); |
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ethtool_link_ksettings_add_link_mode(ks, supported, Pause); |
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if (idev->port_info->status.xcvr.phy == IONIC_PHY_TYPE_COPPER || |
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copper_seen) |
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ks->base.port = PORT_DA; |
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else if (idev->port_info->status.xcvr.phy == IONIC_PHY_TYPE_FIBER) |
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ks->base.port = PORT_FIBRE; |
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else |
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ks->base.port = PORT_NONE; |
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if (ks->base.port != PORT_NONE) { |
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ks->base.speed = le32_to_cpu(lif->info->status.link_speed); |
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if (le16_to_cpu(lif->info->status.link_status)) |
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ks->base.duplex = DUPLEX_FULL; |
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else |
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ks->base.duplex = DUPLEX_UNKNOWN; |
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ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); |
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if (idev->port_info->config.an_enable) { |
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ethtool_link_ksettings_add_link_mode(ks, advertising, |
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Autoneg); |
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ks->base.autoneg = AUTONEG_ENABLE; |
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} |
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} |
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return 0; |
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} |
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static int ionic_set_link_ksettings(struct net_device *netdev, |
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const struct ethtool_link_ksettings *ks) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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struct ionic *ionic = lif->ionic; |
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struct ionic_dev *idev; |
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int err = 0; |
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idev = &lif->ionic->idev; |
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/* set autoneg */ |
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if (ks->base.autoneg != idev->port_info->config.an_enable) { |
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mutex_lock(&ionic->dev_cmd_lock); |
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ionic_dev_cmd_port_autoneg(idev, ks->base.autoneg); |
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err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT); |
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mutex_unlock(&ionic->dev_cmd_lock); |
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if (err) |
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return err; |
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} |
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/* set speed */ |
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if (ks->base.speed != le32_to_cpu(idev->port_info->config.speed)) { |
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mutex_lock(&ionic->dev_cmd_lock); |
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ionic_dev_cmd_port_speed(idev, ks->base.speed); |
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err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT); |
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mutex_unlock(&ionic->dev_cmd_lock); |
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if (err) |
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return err; |
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} |
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return 0; |
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} |
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static void ionic_get_pauseparam(struct net_device *netdev, |
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struct ethtool_pauseparam *pause) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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u8 pause_type; |
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pause->autoneg = 0; |
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pause_type = lif->ionic->idev.port_info->config.pause_type; |
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if (pause_type) { |
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pause->rx_pause = (pause_type & IONIC_PAUSE_F_RX) ? 1 : 0; |
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pause->tx_pause = (pause_type & IONIC_PAUSE_F_TX) ? 1 : 0; |
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} |
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} |
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static int ionic_set_pauseparam(struct net_device *netdev, |
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struct ethtool_pauseparam *pause) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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struct ionic *ionic = lif->ionic; |
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u32 requested_pause; |
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int err; |
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if (pause->autoneg) |
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return -EOPNOTSUPP; |
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/* change both at the same time */ |
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requested_pause = IONIC_PORT_PAUSE_TYPE_LINK; |
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if (pause->rx_pause) |
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requested_pause |= IONIC_PAUSE_F_RX; |
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if (pause->tx_pause) |
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requested_pause |= IONIC_PAUSE_F_TX; |
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if (requested_pause == lif->ionic->idev.port_info->config.pause_type) |
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return 0; |
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mutex_lock(&ionic->dev_cmd_lock); |
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ionic_dev_cmd_port_pause(&lif->ionic->idev, requested_pause); |
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err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT); |
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mutex_unlock(&ionic->dev_cmd_lock); |
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if (err) |
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return err; |
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return 0; |
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} |
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static int ionic_get_fecparam(struct net_device *netdev, |
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struct ethtool_fecparam *fec) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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switch (lif->ionic->idev.port_info->config.fec_type) { |
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case IONIC_PORT_FEC_TYPE_NONE: |
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fec->active_fec = ETHTOOL_FEC_OFF; |
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break; |
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case IONIC_PORT_FEC_TYPE_RS: |
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fec->active_fec = ETHTOOL_FEC_RS; |
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break; |
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case IONIC_PORT_FEC_TYPE_FC: |
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fec->active_fec = ETHTOOL_FEC_BASER; |
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break; |
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} |
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fec->fec = ETHTOOL_FEC_OFF | ETHTOOL_FEC_RS | ETHTOOL_FEC_BASER; |
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return 0; |
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} |
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static int ionic_set_fecparam(struct net_device *netdev, |
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struct ethtool_fecparam *fec) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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u8 fec_type; |
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int ret = 0; |
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if (lif->ionic->idev.port_info->config.an_enable) { |
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netdev_err(netdev, "FEC request not allowed while autoneg is enabled\n"); |
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return -EINVAL; |
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} |
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switch (fec->fec) { |
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case ETHTOOL_FEC_NONE: |
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fec_type = IONIC_PORT_FEC_TYPE_NONE; |
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break; |
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case ETHTOOL_FEC_OFF: |
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fec_type = IONIC_PORT_FEC_TYPE_NONE; |
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break; |
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case ETHTOOL_FEC_RS: |
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fec_type = IONIC_PORT_FEC_TYPE_RS; |
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break; |
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case ETHTOOL_FEC_BASER: |
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fec_type = IONIC_PORT_FEC_TYPE_FC; |
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break; |
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case ETHTOOL_FEC_AUTO: |
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default: |
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netdev_err(netdev, "FEC request 0x%04x not supported\n", |
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fec->fec); |
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return -EINVAL; |
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} |
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if (fec_type != lif->ionic->idev.port_info->config.fec_type) { |
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mutex_lock(&lif->ionic->dev_cmd_lock); |
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ionic_dev_cmd_port_fec(&lif->ionic->idev, fec_type); |
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ret = ionic_dev_cmd_wait(lif->ionic, DEVCMD_TIMEOUT); |
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mutex_unlock(&lif->ionic->dev_cmd_lock); |
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} |
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return ret; |
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} |
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static int ionic_get_coalesce(struct net_device *netdev, |
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struct ethtool_coalesce *coalesce) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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coalesce->tx_coalesce_usecs = lif->tx_coalesce_usecs; |
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coalesce->rx_coalesce_usecs = lif->rx_coalesce_usecs; |
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if (test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state)) |
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coalesce->use_adaptive_tx_coalesce = test_bit(IONIC_LIF_F_TX_DIM_INTR, lif->state); |
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else |
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coalesce->use_adaptive_tx_coalesce = 0; |
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coalesce->use_adaptive_rx_coalesce = test_bit(IONIC_LIF_F_RX_DIM_INTR, lif->state); |
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return 0; |
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} |
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static int ionic_set_coalesce(struct net_device *netdev, |
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struct ethtool_coalesce *coalesce) |
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{ |
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struct ionic_lif *lif = netdev_priv(netdev); |
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struct ionic_identity *ident; |
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u32 rx_coal, rx_dim; |
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u32 tx_coal, tx_dim; |
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unsigned int i; |
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ident = &lif->ionic->ident; |
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if (ident->dev.intr_coal_div == 0) { |
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netdev_warn(netdev, "bad HW value in dev.intr_coal_div = %d\n", |
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ident->dev.intr_coal_div); |
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return -EIO; |
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} |
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/* Tx normally shares Rx interrupt, so only change Rx if not split */ |
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if (!test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state) && |
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(coalesce->tx_coalesce_usecs != lif->rx_coalesce_usecs || |
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coalesce->use_adaptive_tx_coalesce)) { |
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netdev_warn(netdev, "only rx parameters can be changed\n"); |
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return -EINVAL; |
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} |
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|
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/* Convert the usec request to a HW usable value. If they asked |
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* for non-zero and it resolved to zero, bump it up |
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*/ |
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rx_coal = ionic_coal_usec_to_hw(lif->ionic, coalesce->rx_coalesce_usecs); |
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if (!rx_coal && coalesce->rx_coalesce_usecs) |
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rx_coal = 1; |
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tx_coal = ionic_coal_usec_to_hw(lif->ionic, coalesce->tx_coalesce_usecs); |
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if (!tx_coal && coalesce->tx_coalesce_usecs) |
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tx_coal = 1; |
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if (rx_coal > IONIC_INTR_CTRL_COAL_MAX || |
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tx_coal > IONIC_INTR_CTRL_COAL_MAX) |
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return -ERANGE; |
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/* Save the new values */ |
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lif->rx_coalesce_usecs = coalesce->rx_coalesce_usecs; |
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lif->rx_coalesce_hw = rx_coal; |
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if (test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state)) |
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lif->tx_coalesce_usecs = coalesce->tx_coalesce_usecs; |
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else |
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lif->tx_coalesce_usecs = coalesce->rx_coalesce_usecs; |
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lif->tx_coalesce_hw = tx_coal; |
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if (coalesce->use_adaptive_rx_coalesce) { |
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set_bit(IONIC_LIF_F_RX_DIM_INTR, lif->state); |
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rx_dim = rx_coal; |
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} else { |
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clear_bit(IONIC_LIF_F_RX_DIM_INTR, lif->state); |
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rx_dim = 0; |
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} |
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if (coalesce->use_adaptive_tx_coalesce) { |
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set_bit(IONIC_LIF_F_TX_DIM_INTR, lif->state); |
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tx_dim = tx_coal; |
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} else { |
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clear_bit(IONIC_LIF_F_TX_DIM_INTR, lif->state); |
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tx_dim = 0; |
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} |
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|
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if (test_bit(IONIC_LIF_F_UP, lif->state)) { |
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for (i = 0; i < lif->nxqs; i++) { |
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if (lif->rxqcqs[i]->flags & IONIC_QCQ_F_INTR) { |
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ionic_intr_coal_init(lif->ionic->idev.intr_ctrl, |
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lif->rxqcqs[i]->intr.index, |
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lif->rx_coalesce_hw); |
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lif->rxqcqs[i]->intr.dim_coal_hw = rx_dim; |
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} |
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|
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if (lif->txqcqs[i]->flags & IONIC_QCQ_F_INTR) { |
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ionic_intr_coal_init(lif->ionic->idev.intr_ctrl, |
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lif->txqcqs[i]->intr.index, |
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lif->tx_coalesce_hw); |
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lif->txqcqs[i]->intr.dim_coal_hw = tx_dim; |
|
} |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void ionic_get_ringparam(struct net_device *netdev, |
|
struct ethtool_ringparam *ring) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
|
|
ring->tx_max_pending = IONIC_MAX_TX_DESC; |
|
ring->tx_pending = lif->ntxq_descs; |
|
ring->rx_max_pending = IONIC_MAX_RX_DESC; |
|
ring->rx_pending = lif->nrxq_descs; |
|
} |
|
|
|
static int ionic_set_ringparam(struct net_device *netdev, |
|
struct ethtool_ringparam *ring) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
struct ionic_queue_params qparam; |
|
int err; |
|
|
|
ionic_init_queue_params(lif, &qparam); |
|
|
|
if (ring->rx_mini_pending || ring->rx_jumbo_pending) { |
|
netdev_info(netdev, "Changing jumbo or mini descriptors not supported\n"); |
|
return -EINVAL; |
|
} |
|
|
|
if (!is_power_of_2(ring->tx_pending) || |
|
!is_power_of_2(ring->rx_pending)) { |
|
netdev_info(netdev, "Descriptor count must be a power of 2\n"); |
|
return -EINVAL; |
|
} |
|
|
|
/* if nothing to do return success */ |
|
if (ring->tx_pending == lif->ntxq_descs && |
|
ring->rx_pending == lif->nrxq_descs) |
|
return 0; |
|
|
|
if (ring->tx_pending != lif->ntxq_descs) |
|
netdev_info(netdev, "Changing Tx ring size from %d to %d\n", |
|
lif->ntxq_descs, ring->tx_pending); |
|
|
|
if (ring->rx_pending != lif->nrxq_descs) |
|
netdev_info(netdev, "Changing Rx ring size from %d to %d\n", |
|
lif->nrxq_descs, ring->rx_pending); |
|
|
|
/* if we're not running, just set the values and return */ |
|
if (!netif_running(lif->netdev)) { |
|
lif->ntxq_descs = ring->tx_pending; |
|
lif->nrxq_descs = ring->rx_pending; |
|
return 0; |
|
} |
|
|
|
qparam.ntxq_descs = ring->tx_pending; |
|
qparam.nrxq_descs = ring->rx_pending; |
|
err = ionic_reconfigure_queues(lif, &qparam); |
|
if (err) |
|
netdev_info(netdev, "Ring reconfiguration failed, changes canceled: %d\n", err); |
|
|
|
return err; |
|
} |
|
|
|
static void ionic_get_channels(struct net_device *netdev, |
|
struct ethtool_channels *ch) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
|
|
/* report maximum channels */ |
|
ch->max_combined = lif->ionic->ntxqs_per_lif; |
|
ch->max_rx = lif->ionic->ntxqs_per_lif / 2; |
|
ch->max_tx = lif->ionic->ntxqs_per_lif / 2; |
|
|
|
/* report current channels */ |
|
if (test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state)) { |
|
ch->rx_count = lif->nxqs; |
|
ch->tx_count = lif->nxqs; |
|
} else { |
|
ch->combined_count = lif->nxqs; |
|
} |
|
} |
|
|
|
static int ionic_set_channels(struct net_device *netdev, |
|
struct ethtool_channels *ch) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
struct ionic_queue_params qparam; |
|
int max_cnt; |
|
int err; |
|
|
|
ionic_init_queue_params(lif, &qparam); |
|
|
|
if (ch->rx_count != ch->tx_count) { |
|
netdev_info(netdev, "The rx and tx count must be equal\n"); |
|
return -EINVAL; |
|
} |
|
|
|
if (ch->combined_count && ch->rx_count) { |
|
netdev_info(netdev, "Use either combined or rx and tx, not both\n"); |
|
return -EINVAL; |
|
} |
|
|
|
max_cnt = lif->ionic->ntxqs_per_lif; |
|
if (ch->combined_count) { |
|
if (ch->combined_count > max_cnt) |
|
return -EINVAL; |
|
|
|
if (test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state)) |
|
netdev_info(lif->netdev, "Sharing queue interrupts\n"); |
|
else if (ch->combined_count == lif->nxqs) |
|
return 0; |
|
|
|
if (lif->nxqs != ch->combined_count) |
|
netdev_info(netdev, "Changing queue count from %d to %d\n", |
|
lif->nxqs, ch->combined_count); |
|
|
|
qparam.nxqs = ch->combined_count; |
|
qparam.intr_split = 0; |
|
} else { |
|
max_cnt /= 2; |
|
if (ch->rx_count > max_cnt) |
|
return -EINVAL; |
|
|
|
if (!test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state)) |
|
netdev_info(lif->netdev, "Splitting queue interrupts\n"); |
|
else if (ch->rx_count == lif->nxqs) |
|
return 0; |
|
|
|
if (lif->nxqs != ch->rx_count) |
|
netdev_info(netdev, "Changing queue count from %d to %d\n", |
|
lif->nxqs, ch->rx_count); |
|
|
|
qparam.nxqs = ch->rx_count; |
|
qparam.intr_split = 1; |
|
} |
|
|
|
/* if we're not running, just set the values and return */ |
|
if (!netif_running(lif->netdev)) { |
|
lif->nxqs = qparam.nxqs; |
|
|
|
if (qparam.intr_split) { |
|
set_bit(IONIC_LIF_F_SPLIT_INTR, lif->state); |
|
} else { |
|
clear_bit(IONIC_LIF_F_SPLIT_INTR, lif->state); |
|
lif->tx_coalesce_usecs = lif->rx_coalesce_usecs; |
|
lif->tx_coalesce_hw = lif->rx_coalesce_hw; |
|
} |
|
return 0; |
|
} |
|
|
|
err = ionic_reconfigure_queues(lif, &qparam); |
|
if (err) |
|
netdev_info(netdev, "Queue reconfiguration failed, changes canceled: %d\n", err); |
|
|
|
return err; |
|
} |
|
|
|
static u32 ionic_get_priv_flags(struct net_device *netdev) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
u32 priv_flags = 0; |
|
|
|
if (test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state)) |
|
priv_flags |= IONIC_PRIV_F_SW_DBG_STATS; |
|
|
|
return priv_flags; |
|
} |
|
|
|
static int ionic_set_priv_flags(struct net_device *netdev, u32 priv_flags) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
|
|
clear_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state); |
|
if (priv_flags & IONIC_PRIV_F_SW_DBG_STATS) |
|
set_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state); |
|
|
|
return 0; |
|
} |
|
|
|
static int ionic_get_rxnfc(struct net_device *netdev, |
|
struct ethtool_rxnfc *info, u32 *rules) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
int err = 0; |
|
|
|
switch (info->cmd) { |
|
case ETHTOOL_GRXRINGS: |
|
info->data = lif->nxqs; |
|
break; |
|
default: |
|
netdev_err(netdev, "Command parameter %d is not supported\n", |
|
info->cmd); |
|
err = -EOPNOTSUPP; |
|
} |
|
|
|
return err; |
|
} |
|
|
|
static u32 ionic_get_rxfh_indir_size(struct net_device *netdev) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
|
|
return le16_to_cpu(lif->ionic->ident.lif.eth.rss_ind_tbl_sz); |
|
} |
|
|
|
static u32 ionic_get_rxfh_key_size(struct net_device *netdev) |
|
{ |
|
return IONIC_RSS_HASH_KEY_SIZE; |
|
} |
|
|
|
static int ionic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, |
|
u8 *hfunc) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
unsigned int i, tbl_sz; |
|
|
|
if (indir) { |
|
tbl_sz = le16_to_cpu(lif->ionic->ident.lif.eth.rss_ind_tbl_sz); |
|
for (i = 0; i < tbl_sz; i++) |
|
indir[i] = lif->rss_ind_tbl[i]; |
|
} |
|
|
|
if (key) |
|
memcpy(key, lif->rss_hash_key, IONIC_RSS_HASH_KEY_SIZE); |
|
|
|
if (hfunc) |
|
*hfunc = ETH_RSS_HASH_TOP; |
|
|
|
return 0; |
|
} |
|
|
|
static int ionic_set_rxfh(struct net_device *netdev, const u32 *indir, |
|
const u8 *key, const u8 hfunc) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
|
|
if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) |
|
return -EOPNOTSUPP; |
|
|
|
return ionic_lif_rss_config(lif, lif->rss_types, key, indir); |
|
} |
|
|
|
static int ionic_set_tunable(struct net_device *dev, |
|
const struct ethtool_tunable *tuna, |
|
const void *data) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(dev); |
|
|
|
switch (tuna->id) { |
|
case ETHTOOL_RX_COPYBREAK: |
|
lif->rx_copybreak = *(u32 *)data; |
|
break; |
|
default: |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int ionic_get_tunable(struct net_device *netdev, |
|
const struct ethtool_tunable *tuna, void *data) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
|
|
switch (tuna->id) { |
|
case ETHTOOL_RX_COPYBREAK: |
|
*(u32 *)data = lif->rx_copybreak; |
|
break; |
|
default: |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int ionic_get_module_info(struct net_device *netdev, |
|
struct ethtool_modinfo *modinfo) |
|
|
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
struct ionic_dev *idev = &lif->ionic->idev; |
|
struct ionic_xcvr_status *xcvr; |
|
struct sfp_eeprom_base *sfp; |
|
|
|
xcvr = &idev->port_info->status.xcvr; |
|
sfp = (struct sfp_eeprom_base *) xcvr->sprom; |
|
|
|
/* report the module data type and length */ |
|
switch (sfp->phys_id) { |
|
case SFF8024_ID_SFP: |
|
modinfo->type = ETH_MODULE_SFF_8079; |
|
modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; |
|
break; |
|
case SFF8024_ID_QSFP_8436_8636: |
|
case SFF8024_ID_QSFP28_8636: |
|
modinfo->type = ETH_MODULE_SFF_8436; |
|
modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; |
|
break; |
|
default: |
|
netdev_info(netdev, "unknown xcvr type 0x%02x\n", |
|
xcvr->sprom[0]); |
|
modinfo->type = 0; |
|
modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; |
|
break; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int ionic_get_module_eeprom(struct net_device *netdev, |
|
struct ethtool_eeprom *ee, |
|
u8 *data) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
struct ionic_dev *idev = &lif->ionic->idev; |
|
struct ionic_xcvr_status *xcvr; |
|
char tbuf[sizeof(xcvr->sprom)]; |
|
int count = 10; |
|
u32 len; |
|
|
|
/* The NIC keeps the module prom up-to-date in the DMA space |
|
* so we can simply copy the module bytes into the data buffer. |
|
*/ |
|
xcvr = &idev->port_info->status.xcvr; |
|
len = min_t(u32, sizeof(xcvr->sprom), ee->len); |
|
|
|
do { |
|
memcpy(data, xcvr->sprom, len); |
|
memcpy(tbuf, xcvr->sprom, len); |
|
|
|
/* Let's make sure we got a consistent copy */ |
|
if (!memcmp(data, tbuf, len)) |
|
break; |
|
|
|
} while (--count); |
|
|
|
if (!count) |
|
return -ETIMEDOUT; |
|
|
|
return 0; |
|
} |
|
|
|
static int ionic_nway_reset(struct net_device *netdev) |
|
{ |
|
struct ionic_lif *lif = netdev_priv(netdev); |
|
struct ionic *ionic = lif->ionic; |
|
int err = 0; |
|
|
|
/* flap the link to force auto-negotiation */ |
|
|
|
mutex_lock(&ionic->dev_cmd_lock); |
|
|
|
ionic_dev_cmd_port_state(&ionic->idev, IONIC_PORT_ADMIN_STATE_DOWN); |
|
err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT); |
|
|
|
if (!err) { |
|
ionic_dev_cmd_port_state(&ionic->idev, IONIC_PORT_ADMIN_STATE_UP); |
|
err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT); |
|
} |
|
|
|
mutex_unlock(&ionic->dev_cmd_lock); |
|
|
|
return err; |
|
} |
|
|
|
static const struct ethtool_ops ionic_ethtool_ops = { |
|
.supported_coalesce_params = ETHTOOL_COALESCE_USECS | |
|
ETHTOOL_COALESCE_USE_ADAPTIVE_RX | |
|
ETHTOOL_COALESCE_USE_ADAPTIVE_TX, |
|
.get_drvinfo = ionic_get_drvinfo, |
|
.get_regs_len = ionic_get_regs_len, |
|
.get_regs = ionic_get_regs, |
|
.get_link = ethtool_op_get_link, |
|
.get_link_ksettings = ionic_get_link_ksettings, |
|
.set_link_ksettings = ionic_set_link_ksettings, |
|
.get_coalesce = ionic_get_coalesce, |
|
.set_coalesce = ionic_set_coalesce, |
|
.get_ringparam = ionic_get_ringparam, |
|
.set_ringparam = ionic_set_ringparam, |
|
.get_channels = ionic_get_channels, |
|
.set_channels = ionic_set_channels, |
|
.get_strings = ionic_get_strings, |
|
.get_ethtool_stats = ionic_get_stats, |
|
.get_sset_count = ionic_get_sset_count, |
|
.get_priv_flags = ionic_get_priv_flags, |
|
.set_priv_flags = ionic_set_priv_flags, |
|
.get_rxnfc = ionic_get_rxnfc, |
|
.get_rxfh_indir_size = ionic_get_rxfh_indir_size, |
|
.get_rxfh_key_size = ionic_get_rxfh_key_size, |
|
.get_rxfh = ionic_get_rxfh, |
|
.set_rxfh = ionic_set_rxfh, |
|
.get_tunable = ionic_get_tunable, |
|
.set_tunable = ionic_set_tunable, |
|
.get_module_info = ionic_get_module_info, |
|
.get_module_eeprom = ionic_get_module_eeprom, |
|
.get_pauseparam = ionic_get_pauseparam, |
|
.set_pauseparam = ionic_set_pauseparam, |
|
.get_fecparam = ionic_get_fecparam, |
|
.set_fecparam = ionic_set_fecparam, |
|
.nway_reset = ionic_nway_reset, |
|
}; |
|
|
|
void ionic_ethtool_set_ops(struct net_device *netdev) |
|
{ |
|
netdev->ethtool_ops = &ionic_ethtool_ops; |
|
}
|
|
|