intel/ixgb/ixgb_ethtool.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /* Copyright(c) 1999 - 2008 Intel Corporation. */
0003
0004 /* ethtool support for ixgb */
0005
0006 #include "ixgb.h"
0007
0008 #include <linux/uaccess.h>
0009
0010 #define IXGB_ALL_RAR_ENTRIES 16
0011
0012 enum {NETDEV_STATS, IXGB_STATS};
0013
0014 struct ixgb_stats {
0015     char stat_string[ETH_GSTRING_LEN];
0016     int type;
0017     int sizeof_stat;
0018     int stat_offset;
0019 };
0020
0021 #define IXGB_STAT(m)        IXGB_STATS, \
0022                 sizeof_field(struct ixgb_adapter, m), \
0023                 offsetof(struct ixgb_adapter, m)
0024 #define IXGB_NETDEV_STAT(m) NETDEV_STATS, \
0025                 sizeof_field(struct net_device, m), \
0026                 offsetof(struct net_device, m)
0027
0028 static struct ixgb_stats ixgb_gstrings_stats[] = {
0029     {"rx_packets", IXGB_NETDEV_STAT(stats.rx_packets)},
0030     {"tx_packets", IXGB_NETDEV_STAT(stats.tx_packets)},
0031     {"rx_bytes", IXGB_NETDEV_STAT(stats.rx_bytes)},
0032     {"tx_bytes", IXGB_NETDEV_STAT(stats.tx_bytes)},
0033     {"rx_errors", IXGB_NETDEV_STAT(stats.rx_errors)},
0034     {"tx_errors", IXGB_NETDEV_STAT(stats.tx_errors)},
0035     {"rx_dropped", IXGB_NETDEV_STAT(stats.rx_dropped)},
0036     {"tx_dropped", IXGB_NETDEV_STAT(stats.tx_dropped)},
0037     {"multicast", IXGB_NETDEV_STAT(stats.multicast)},
0038     {"collisions", IXGB_NETDEV_STAT(stats.collisions)},
0039
0040 /*  { "rx_length_errors", IXGB_NETDEV_STAT(stats.rx_length_errors) },   */
0041     {"rx_over_errors", IXGB_NETDEV_STAT(stats.rx_over_errors)},
0042     {"rx_crc_errors", IXGB_NETDEV_STAT(stats.rx_crc_errors)},
0043     {"rx_frame_errors", IXGB_NETDEV_STAT(stats.rx_frame_errors)},
0044     {"rx_no_buffer_count", IXGB_STAT(stats.rnbc)},
0045     {"rx_fifo_errors", IXGB_NETDEV_STAT(stats.rx_fifo_errors)},
0046     {"rx_missed_errors", IXGB_NETDEV_STAT(stats.rx_missed_errors)},
0047     {"tx_aborted_errors", IXGB_NETDEV_STAT(stats.tx_aborted_errors)},
0048     {"tx_carrier_errors", IXGB_NETDEV_STAT(stats.tx_carrier_errors)},
0049     {"tx_fifo_errors", IXGB_NETDEV_STAT(stats.tx_fifo_errors)},
0050     {"tx_heartbeat_errors", IXGB_NETDEV_STAT(stats.tx_heartbeat_errors)},
0051     {"tx_window_errors", IXGB_NETDEV_STAT(stats.tx_window_errors)},
0052     {"tx_deferred_ok", IXGB_STAT(stats.dc)},
0053     {"tx_timeout_count", IXGB_STAT(tx_timeout_count) },
0054     {"tx_restart_queue", IXGB_STAT(restart_queue) },
0055     {"rx_long_length_errors", IXGB_STAT(stats.roc)},
0056     {"rx_short_length_errors", IXGB_STAT(stats.ruc)},
0057     {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
0058     {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
0059     {"rx_flow_control_xon", IXGB_STAT(stats.xonrxc)},
0060     {"rx_flow_control_xoff", IXGB_STAT(stats.xoffrxc)},
0061     {"tx_flow_control_xon", IXGB_STAT(stats.xontxc)},
0062     {"tx_flow_control_xoff", IXGB_STAT(stats.xofftxc)},
0063     {"rx_csum_offload_good", IXGB_STAT(hw_csum_rx_good)},
0064     {"rx_csum_offload_errors", IXGB_STAT(hw_csum_rx_error)},
0065     {"tx_csum_offload_good", IXGB_STAT(hw_csum_tx_good)},
0066     {"tx_csum_offload_errors", IXGB_STAT(hw_csum_tx_error)}
0067 };
0068
0069 #define IXGB_STATS_LEN  ARRAY_SIZE(ixgb_gstrings_stats)
0070
0071 static int
0072 ixgb_get_link_ksettings(struct net_device *netdev,
0073             struct ethtool_link_ksettings *cmd)
0074 {
0075     struct ixgb_adapter *adapter = netdev_priv(netdev);
0076
0077     ethtool_link_ksettings_zero_link_mode(cmd, supported);
0078     ethtool_link_ksettings_add_link_mode(cmd, supported, 10000baseT_Full);
0079     ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
0080
0081     ethtool_link_ksettings_zero_link_mode(cmd, advertising);
0082     ethtool_link_ksettings_add_link_mode(cmd, advertising, 10000baseT_Full);
0083     ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
0084
0085     cmd->base.port = PORT_FIBRE;
0086
0087     if (netif_carrier_ok(adapter->netdev)) {
0088         cmd->base.speed = SPEED_10000;
0089         cmd->base.duplex = DUPLEX_FULL;
0090     } else {
0091         cmd->base.speed = SPEED_UNKNOWN;
0092         cmd->base.duplex = DUPLEX_UNKNOWN;
0093     }
0094
0095     cmd->base.autoneg = AUTONEG_DISABLE;
0096     return 0;
0097 }
0098
0099 void ixgb_set_speed_duplex(struct net_device *netdev)
0100 {
0101     struct ixgb_adapter *adapter = netdev_priv(netdev);
0102     /* be optimistic about our link, since we were up before */
0103     adapter->link_speed = 10000;
0104     adapter->link_duplex = FULL_DUPLEX;
0105     netif_carrier_on(netdev);
0106     netif_wake_queue(netdev);
0107 }
0108
0109 static int
0110 ixgb_set_link_ksettings(struct net_device *netdev,
0111             const struct ethtool_link_ksettings *cmd)
0112 {
0113     struct ixgb_adapter *adapter = netdev_priv(netdev);
0114     u32 speed = cmd->base.speed;
0115
0116     if (cmd->base.autoneg == AUTONEG_ENABLE ||
0117         (speed + cmd->base.duplex != SPEED_10000 + DUPLEX_FULL))
0118         return -EINVAL;
0119
0120     if (netif_running(adapter->netdev)) {
0121         ixgb_down(adapter, true);
0122         ixgb_reset(adapter);
0123         ixgb_up(adapter);
0124         ixgb_set_speed_duplex(netdev);
0125     } else
0126         ixgb_reset(adapter);
0127
0128     return 0;
0129 }
0130
0131 static void
0132 ixgb_get_pauseparam(struct net_device *netdev,
0133              struct ethtool_pauseparam *pause)
0134 {
0135     struct ixgb_adapter *adapter = netdev_priv(netdev);
0136     struct ixgb_hw *hw = &adapter->hw;
0137
0138     pause->autoneg = AUTONEG_DISABLE;
0139
0140     if (hw->fc.type == ixgb_fc_rx_pause)
0141         pause->rx_pause = 1;
0142     else if (hw->fc.type == ixgb_fc_tx_pause)
0143         pause->tx_pause = 1;
0144     else if (hw->fc.type == ixgb_fc_full) {
0145         pause->rx_pause = 1;
0146         pause->tx_pause = 1;
0147     }
0148 }
0149
0150 static int
0151 ixgb_set_pauseparam(struct net_device *netdev,
0152              struct ethtool_pauseparam *pause)
0153 {
0154     struct ixgb_adapter *adapter = netdev_priv(netdev);
0155     struct ixgb_hw *hw = &adapter->hw;
0156
0157     if (pause->autoneg == AUTONEG_ENABLE)
0158         return -EINVAL;
0159
0160     if (pause->rx_pause && pause->tx_pause)
0161         hw->fc.type = ixgb_fc_full;
0162     else if (pause->rx_pause && !pause->tx_pause)
0163         hw->fc.type = ixgb_fc_rx_pause;
0164     else if (!pause->rx_pause && pause->tx_pause)
0165         hw->fc.type = ixgb_fc_tx_pause;
0166     else if (!pause->rx_pause && !pause->tx_pause)
0167         hw->fc.type = ixgb_fc_none;
0168
0169     if (netif_running(adapter->netdev)) {
0170         ixgb_down(adapter, true);
0171         ixgb_up(adapter);
0172         ixgb_set_speed_duplex(netdev);
0173     } else
0174         ixgb_reset(adapter);
0175
0176     return 0;
0177 }
0178
0179 static u32
0180 ixgb_get_msglevel(struct net_device *netdev)
0181 {
0182     struct ixgb_adapter *adapter = netdev_priv(netdev);
0183     return adapter->msg_enable;
0184 }
0185
0186 static void
0187 ixgb_set_msglevel(struct net_device *netdev, u32 data)
0188 {
0189     struct ixgb_adapter *adapter = netdev_priv(netdev);
0190     adapter->msg_enable = data;
0191 }
0192 #define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
0193
0194 static int
0195 ixgb_get_regs_len(struct net_device *netdev)
0196 {
0197 #define IXGB_REG_DUMP_LEN  136*sizeof(u32)
0198     return IXGB_REG_DUMP_LEN;
0199 }
0200
0201 static void
0202 ixgb_get_regs(struct net_device *netdev,
0203            struct ethtool_regs *regs, void *p)
0204 {
0205     struct ixgb_adapter *adapter = netdev_priv(netdev);
0206     struct ixgb_hw *hw = &adapter->hw;
0207     u32 *reg = p;
0208     u32 *reg_start = reg;
0209     u8 i;
0210
0211     /* the 1 (one) below indicates an attempt at versioning, if the
0212      * interface in ethtool or the driver changes, this 1 should be
0213      * incremented */
0214     regs->version = (1<<24) | hw->revision_id << 16 | hw->device_id;
0215
0216     /* General Registers */
0217     *reg++ = IXGB_READ_REG(hw, CTRL0);  /*   0 */
0218     *reg++ = IXGB_READ_REG(hw, CTRL1);  /*   1 */
0219     *reg++ = IXGB_READ_REG(hw, STATUS); /*   2 */
0220     *reg++ = IXGB_READ_REG(hw, EECD);   /*   3 */
0221     *reg++ = IXGB_READ_REG(hw, MFS);    /*   4 */
0222
0223     /* Interrupt */
0224     *reg++ = IXGB_READ_REG(hw, ICR);    /*   5 */
0225     *reg++ = IXGB_READ_REG(hw, ICS);    /*   6 */
0226     *reg++ = IXGB_READ_REG(hw, IMS);    /*   7 */
0227     *reg++ = IXGB_READ_REG(hw, IMC);    /*   8 */
0228
0229     /* Receive */
0230     *reg++ = IXGB_READ_REG(hw, RCTL);   /*   9 */
0231     *reg++ = IXGB_READ_REG(hw, FCRTL);  /*  10 */
0232     *reg++ = IXGB_READ_REG(hw, FCRTH);  /*  11 */
0233     *reg++ = IXGB_READ_REG(hw, RDBAL);  /*  12 */
0234     *reg++ = IXGB_READ_REG(hw, RDBAH);  /*  13 */
0235     *reg++ = IXGB_READ_REG(hw, RDLEN);  /*  14 */
0236     *reg++ = IXGB_READ_REG(hw, RDH);    /*  15 */
0237     *reg++ = IXGB_READ_REG(hw, RDT);    /*  16 */
0238     *reg++ = IXGB_READ_REG(hw, RDTR);   /*  17 */
0239     *reg++ = IXGB_READ_REG(hw, RXDCTL); /*  18 */
0240     *reg++ = IXGB_READ_REG(hw, RAIDC);  /*  19 */
0241     *reg++ = IXGB_READ_REG(hw, RXCSUM); /*  20 */
0242
0243     /* there are 16 RAR entries in hardware, we only use 3 */
0244     for (i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
0245         *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
0246         *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
0247     }
0248
0249     /* Transmit */
0250     *reg++ = IXGB_READ_REG(hw, TCTL);   /*  53 */
0251     *reg++ = IXGB_READ_REG(hw, TDBAL);  /*  54 */
0252     *reg++ = IXGB_READ_REG(hw, TDBAH);  /*  55 */
0253     *reg++ = IXGB_READ_REG(hw, TDLEN);  /*  56 */
0254     *reg++ = IXGB_READ_REG(hw, TDH);    /*  57 */
0255     *reg++ = IXGB_READ_REG(hw, TDT);    /*  58 */
0256     *reg++ = IXGB_READ_REG(hw, TIDV);   /*  59 */
0257     *reg++ = IXGB_READ_REG(hw, TXDCTL); /*  60 */
0258     *reg++ = IXGB_READ_REG(hw, TSPMT);  /*  61 */
0259     *reg++ = IXGB_READ_REG(hw, PAP);    /*  62 */
0260
0261     /* Physical */
0262     *reg++ = IXGB_READ_REG(hw, PCSC1);  /*  63 */
0263     *reg++ = IXGB_READ_REG(hw, PCSC2);  /*  64 */
0264     *reg++ = IXGB_READ_REG(hw, PCSS1);  /*  65 */
0265     *reg++ = IXGB_READ_REG(hw, PCSS2);  /*  66 */
0266     *reg++ = IXGB_READ_REG(hw, XPCSS);  /*  67 */
0267     *reg++ = IXGB_READ_REG(hw, UCCR);   /*  68 */
0268     *reg++ = IXGB_READ_REG(hw, XPCSTC); /*  69 */
0269     *reg++ = IXGB_READ_REG(hw, MACA);   /*  70 */
0270     *reg++ = IXGB_READ_REG(hw, APAE);   /*  71 */
0271     *reg++ = IXGB_READ_REG(hw, ARD);    /*  72 */
0272     *reg++ = IXGB_READ_REG(hw, AIS);    /*  73 */
0273     *reg++ = IXGB_READ_REG(hw, MSCA);   /*  74 */
0274     *reg++ = IXGB_READ_REG(hw, MSRWD);  /*  75 */
0275
0276     /* Statistics */
0277     *reg++ = IXGB_GET_STAT(adapter, tprl);  /*  76 */
0278     *reg++ = IXGB_GET_STAT(adapter, tprh);  /*  77 */
0279     *reg++ = IXGB_GET_STAT(adapter, gprcl); /*  78 */
0280     *reg++ = IXGB_GET_STAT(adapter, gprch); /*  79 */
0281     *reg++ = IXGB_GET_STAT(adapter, bprcl); /*  80 */
0282     *reg++ = IXGB_GET_STAT(adapter, bprch); /*  81 */
0283     *reg++ = IXGB_GET_STAT(adapter, mprcl); /*  82 */
0284     *reg++ = IXGB_GET_STAT(adapter, mprch); /*  83 */
0285     *reg++ = IXGB_GET_STAT(adapter, uprcl); /*  84 */
0286     *reg++ = IXGB_GET_STAT(adapter, uprch); /*  85 */
0287     *reg++ = IXGB_GET_STAT(adapter, vprcl); /*  86 */
0288     *reg++ = IXGB_GET_STAT(adapter, vprch); /*  87 */
0289     *reg++ = IXGB_GET_STAT(adapter, jprcl); /*  88 */
0290     *reg++ = IXGB_GET_STAT(adapter, jprch); /*  89 */
0291     *reg++ = IXGB_GET_STAT(adapter, gorcl); /*  90 */
0292     *reg++ = IXGB_GET_STAT(adapter, gorch); /*  91 */
0293     *reg++ = IXGB_GET_STAT(adapter, torl);  /*  92 */
0294     *reg++ = IXGB_GET_STAT(adapter, torh);  /*  93 */
0295     *reg++ = IXGB_GET_STAT(adapter, rnbc);  /*  94 */
0296     *reg++ = IXGB_GET_STAT(adapter, ruc);   /*  95 */
0297     *reg++ = IXGB_GET_STAT(adapter, roc);   /*  96 */
0298     *reg++ = IXGB_GET_STAT(adapter, rlec);  /*  97 */
0299     *reg++ = IXGB_GET_STAT(adapter, crcerrs);   /*  98 */
0300     *reg++ = IXGB_GET_STAT(adapter, icbc);  /*  99 */
0301     *reg++ = IXGB_GET_STAT(adapter, ecbc);  /* 100 */
0302     *reg++ = IXGB_GET_STAT(adapter, mpc);   /* 101 */
0303     *reg++ = IXGB_GET_STAT(adapter, tptl);  /* 102 */
0304     *reg++ = IXGB_GET_STAT(adapter, tpth);  /* 103 */
0305     *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
0306     *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
0307     *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
0308     *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
0309     *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
0310     *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
0311     *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
0312     *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
0313     *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
0314     *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
0315     *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
0316     *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
0317     *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
0318     *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
0319     *reg++ = IXGB_GET_STAT(adapter, totl);  /* 118 */
0320     *reg++ = IXGB_GET_STAT(adapter, toth);  /* 119 */
0321     *reg++ = IXGB_GET_STAT(adapter, dc);    /* 120 */
0322     *reg++ = IXGB_GET_STAT(adapter, plt64c);    /* 121 */
0323     *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
0324     *reg++ = IXGB_GET_STAT(adapter, tsctfc);    /* 123 */
0325     *reg++ = IXGB_GET_STAT(adapter, ibic);  /* 124 */
0326     *reg++ = IXGB_GET_STAT(adapter, rfc);   /* 125 */
0327     *reg++ = IXGB_GET_STAT(adapter, lfc);   /* 126 */
0328     *reg++ = IXGB_GET_STAT(adapter, pfrc);  /* 127 */
0329     *reg++ = IXGB_GET_STAT(adapter, pftc);  /* 128 */
0330     *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
0331     *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
0332     *reg++ = IXGB_GET_STAT(adapter, xonrxc);    /* 131 */
0333     *reg++ = IXGB_GET_STAT(adapter, xontxc);    /* 132 */
0334     *reg++ = IXGB_GET_STAT(adapter, xoffrxc);   /* 133 */
0335     *reg++ = IXGB_GET_STAT(adapter, xofftxc);   /* 134 */
0336     *reg++ = IXGB_GET_STAT(adapter, rjc);   /* 135 */
0337
0338     regs->len = (reg - reg_start) * sizeof(u32);
0339 }
0340
0341 static int
0342 ixgb_get_eeprom_len(struct net_device *netdev)
0343 {
0344     /* return size in bytes */
0345     return IXGB_EEPROM_SIZE << 1;
0346 }
0347
0348 static int
0349 ixgb_get_eeprom(struct net_device *netdev,
0350           struct ethtool_eeprom *eeprom, u8 *bytes)
0351 {
0352     struct ixgb_adapter *adapter = netdev_priv(netdev);
0353     struct ixgb_hw *hw = &adapter->hw;
0354     __le16 *eeprom_buff;
0355     int i, max_len, first_word, last_word;
0356     int ret_val = 0;
0357
0358     if (eeprom->len == 0) {
0359         ret_val = -EINVAL;
0360         goto geeprom_error;
0361     }
0362
0363     eeprom->magic = hw->vendor_id | (hw->device_id << 16);
0364
0365     max_len = ixgb_get_eeprom_len(netdev);
0366
0367     if (eeprom->offset > eeprom->offset + eeprom->len) {
0368         ret_val = -EINVAL;
0369         goto geeprom_error;
0370     }
0371
0372     if ((eeprom->offset + eeprom->len) > max_len)
0373         eeprom->len = (max_len - eeprom->offset);
0374
0375     first_word = eeprom->offset >> 1;
0376     last_word = (eeprom->offset + eeprom->len - 1) >> 1;
0377
0378     eeprom_buff = kmalloc_array(last_word - first_word + 1,
0379                     sizeof(__le16),
0380                     GFP_KERNEL);
0381     if (!eeprom_buff)
0382         return -ENOMEM;
0383
0384     /* note the eeprom was good because the driver loaded */
0385     for (i = 0; i <= (last_word - first_word); i++)
0386         eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
0387
0388     memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
0389     kfree(eeprom_buff);
0390
0391 geeprom_error:
0392     return ret_val;
0393 }
0394
0395 static int
0396 ixgb_set_eeprom(struct net_device *netdev,
0397           struct ethtool_eeprom *eeprom, u8 *bytes)
0398 {
0399     struct ixgb_adapter *adapter = netdev_priv(netdev);
0400     struct ixgb_hw *hw = &adapter->hw;
0401     u16 *eeprom_buff;
0402     void *ptr;
0403     int max_len, first_word, last_word;
0404     u16 i;
0405
0406     if (eeprom->len == 0)
0407         return -EINVAL;
0408
0409     if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
0410         return -EFAULT;
0411
0412     max_len = ixgb_get_eeprom_len(netdev);
0413
0414     if (eeprom->offset > eeprom->offset + eeprom->len)
0415         return -EINVAL;
0416
0417     if ((eeprom->offset + eeprom->len) > max_len)
0418         eeprom->len = (max_len - eeprom->offset);
0419
0420     first_word = eeprom->offset >> 1;
0421     last_word = (eeprom->offset + eeprom->len - 1) >> 1;
0422     eeprom_buff = kmalloc(max_len, GFP_KERNEL);
0423     if (!eeprom_buff)
0424         return -ENOMEM;
0425
0426     ptr = (void *)eeprom_buff;
0427
0428     if (eeprom->offset & 1) {
0429         /* need read/modify/write of first changed EEPROM word */
0430         /* only the second byte of the word is being modified */
0431         eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
0432         ptr++;
0433     }
0434     if ((eeprom->offset + eeprom->len) & 1) {
0435         /* need read/modify/write of last changed EEPROM word */
0436         /* only the first byte of the word is being modified */
0437         eeprom_buff[last_word - first_word]
0438             = ixgb_read_eeprom(hw, last_word);
0439     }
0440
0441     memcpy(ptr, bytes, eeprom->len);
0442     for (i = 0; i <= (last_word - first_word); i++)
0443         ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
0444
0445     /* Update the checksum over the first part of the EEPROM if needed */
0446     if (first_word <= EEPROM_CHECKSUM_REG)
0447         ixgb_update_eeprom_checksum(hw);
0448
0449     kfree(eeprom_buff);
0450     return 0;
0451 }
0452
0453 static void
0454 ixgb_get_drvinfo(struct net_device *netdev,
0455            struct ethtool_drvinfo *drvinfo)
0456 {
0457     struct ixgb_adapter *adapter = netdev_priv(netdev);
0458
0459     strlcpy(drvinfo->driver,  ixgb_driver_name,
0460         sizeof(drvinfo->driver));
0461     strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
0462         sizeof(drvinfo->bus_info));
0463 }
0464
0465 static void
0466 ixgb_get_ringparam(struct net_device *netdev,
0467            struct ethtool_ringparam *ring,
0468            struct kernel_ethtool_ringparam *kernel_ring,
0469            struct netlink_ext_ack *extack)
0470 {
0471     struct ixgb_adapter *adapter = netdev_priv(netdev);
0472     struct ixgb_desc_ring *txdr = &adapter->tx_ring;
0473     struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
0474
0475     ring->rx_max_pending = MAX_RXD;
0476     ring->tx_max_pending = MAX_TXD;
0477     ring->rx_pending = rxdr->count;
0478     ring->tx_pending = txdr->count;
0479 }
0480
0481 static int
0482 ixgb_set_ringparam(struct net_device *netdev,
0483            struct ethtool_ringparam *ring,
0484            struct kernel_ethtool_ringparam *kernel_ring,
0485            struct netlink_ext_ack *extack)
0486 {
0487     struct ixgb_adapter *adapter = netdev_priv(netdev);
0488     struct ixgb_desc_ring *txdr = &adapter->tx_ring;
0489     struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
0490     struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
0491     int err;
0492
0493     tx_old = adapter->tx_ring;
0494     rx_old = adapter->rx_ring;
0495
0496     if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
0497         return -EINVAL;
0498
0499     if (netif_running(adapter->netdev))
0500         ixgb_down(adapter, true);
0501
0502     rxdr->count = max(ring->rx_pending,(u32)MIN_RXD);
0503     rxdr->count = min(rxdr->count,(u32)MAX_RXD);
0504     rxdr->count = ALIGN(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
0505
0506     txdr->count = max(ring->tx_pending,(u32)MIN_TXD);
0507     txdr->count = min(txdr->count,(u32)MAX_TXD);
0508     txdr->count = ALIGN(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
0509
0510     if (netif_running(adapter->netdev)) {
0511         /* Try to get new resources before deleting old */
0512         if ((err = ixgb_setup_rx_resources(adapter)))
0513             goto err_setup_rx;
0514         if ((err = ixgb_setup_tx_resources(adapter)))
0515             goto err_setup_tx;
0516
0517         /* save the new, restore the old in order to free it,
0518          * then restore the new back again */
0519
0520         rx_new = adapter->rx_ring;
0521         tx_new = adapter->tx_ring;
0522         adapter->rx_ring = rx_old;
0523         adapter->tx_ring = tx_old;
0524         ixgb_free_rx_resources(adapter);
0525         ixgb_free_tx_resources(adapter);
0526         adapter->rx_ring = rx_new;
0527         adapter->tx_ring = tx_new;
0528         if ((err = ixgb_up(adapter)))
0529             return err;
0530         ixgb_set_speed_duplex(netdev);
0531     }
0532
0533     return 0;
0534 err_setup_tx:
0535     ixgb_free_rx_resources(adapter);
0536 err_setup_rx:
0537     adapter->rx_ring = rx_old;
0538     adapter->tx_ring = tx_old;
0539     ixgb_up(adapter);
0540     return err;
0541 }
0542
0543 static int
0544 ixgb_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
0545 {
0546     struct ixgb_adapter *adapter = netdev_priv(netdev);
0547
0548     switch (state) {
0549     case ETHTOOL_ID_ACTIVE:
0550         return 2;
0551
0552     case ETHTOOL_ID_ON:
0553         ixgb_led_on(&adapter->hw);
0554         break;
0555
0556     case ETHTOOL_ID_OFF:
0557     case ETHTOOL_ID_INACTIVE:
0558         ixgb_led_off(&adapter->hw);
0559     }
0560
0561     return 0;
0562 }
0563
0564 static int
0565 ixgb_get_sset_count(struct net_device *netdev, int sset)
0566 {
0567     switch (sset) {
0568     case ETH_SS_STATS:
0569         return IXGB_STATS_LEN;
0570     default:
0571         return -EOPNOTSUPP;
0572     }
0573 }
0574
0575 static void
0576 ixgb_get_ethtool_stats(struct net_device *netdev,
0577         struct ethtool_stats *stats, u64 *data)
0578 {
0579     struct ixgb_adapter *adapter = netdev_priv(netdev);
0580     int i;
0581     char *p = NULL;
0582
0583     ixgb_update_stats(adapter);
0584     for (i = 0; i < IXGB_STATS_LEN; i++) {
0585         switch (ixgb_gstrings_stats[i].type) {
0586         case NETDEV_STATS:
0587             p = (char *) netdev +
0588                     ixgb_gstrings_stats[i].stat_offset;
0589             break;
0590         case IXGB_STATS:
0591             p = (char *) adapter +
0592                     ixgb_gstrings_stats[i].stat_offset;
0593             break;
0594         }
0595
0596         data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
0597             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
0598     }
0599 }
0600
0601 static void
0602 ixgb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
0603 {
0604     int i;
0605
0606     switch(stringset) {
0607     case ETH_SS_STATS:
0608         for (i = 0; i < IXGB_STATS_LEN; i++) {
0609             memcpy(data + i * ETH_GSTRING_LEN,
0610             ixgb_gstrings_stats[i].stat_string,
0611             ETH_GSTRING_LEN);
0612         }
0613         break;
0614     }
0615 }
0616
0617 static const struct ethtool_ops ixgb_ethtool_ops = {
0618     .get_drvinfo = ixgb_get_drvinfo,
0619     .get_regs_len = ixgb_get_regs_len,
0620     .get_regs = ixgb_get_regs,
0621     .get_link = ethtool_op_get_link,
0622     .get_eeprom_len = ixgb_get_eeprom_len,
0623     .get_eeprom = ixgb_get_eeprom,
0624     .set_eeprom = ixgb_set_eeprom,
0625     .get_ringparam = ixgb_get_ringparam,
0626     .set_ringparam = ixgb_set_ringparam,
0627     .get_pauseparam = ixgb_get_pauseparam,
0628     .set_pauseparam = ixgb_set_pauseparam,
0629     .get_msglevel = ixgb_get_msglevel,
0630     .set_msglevel = ixgb_set_msglevel,
0631     .get_strings = ixgb_get_strings,
0632     .set_phys_id = ixgb_set_phys_id,
0633     .get_sset_count = ixgb_get_sset_count,
0634     .get_ethtool_stats = ixgb_get_ethtool_stats,
0635     .get_link_ksettings = ixgb_get_link_ksettings,
0636     .set_link_ksettings = ixgb_set_link_ksettings,
0637 };
0638
0639 void ixgb_set_ethtool_ops(struct net_device *netdev)
0640 {
0641     netdev->ethtool_ops = &ixgb_ethtool_ops;
0642 }