drivers/net/ethernet/intel/ixgb/ixgb

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This source file includes following definitions.
ixgb_get_link_ksettings
ixgb_set_speed_duplex
ixgb_set_link_ksettings
ixgb_get_pauseparam
ixgb_set_pauseparam
ixgb_get_msglevel
ixgb_set_msglevel
ixgb_get_regs_len
ixgb_get_regs
ixgb_get_eeprom_len
ixgb_get_eeprom
ixgb_set_eeprom
ixgb_get_drvinfo
ixgb_get_ringparam
ixgb_set_ringparam
ixgb_set_phys_id
ixgb_get_sset_count
ixgb_get_ethtool_stats
ixgb_get_strings
ixgb_set_ethtool_ops
   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 1999 - 2008 Intel Corporation. */
   3 
   4 /* ethtool support for ixgb */
   5 
   6 #include "ixgb.h"
   7 
   8 #include <linux/uaccess.h>
   9 
  10 #define IXGB_ALL_RAR_ENTRIES 16
  11 
  12 enum {NETDEV_STATS, IXGB_STATS};
  13 
  14 struct ixgb_stats {
  15         char stat_string[ETH_GSTRING_LEN];
  16         int type;
  17         int sizeof_stat;
  18         int stat_offset;
  19 };
  20 
  21 #define IXGB_STAT(m)            IXGB_STATS, \
  22                                 FIELD_SIZEOF(struct ixgb_adapter, m), \
  23                                 offsetof(struct ixgb_adapter, m)
  24 #define IXGB_NETDEV_STAT(m)     NETDEV_STATS, \
  25                                 FIELD_SIZEOF(struct net_device, m), \
  26                                 offsetof(struct net_device, m)
  27 
  28 static struct ixgb_stats ixgb_gstrings_stats[] = {
  29         {"rx_packets", IXGB_NETDEV_STAT(stats.rx_packets)},
  30         {"tx_packets", IXGB_NETDEV_STAT(stats.tx_packets)},
  31         {"rx_bytes", IXGB_NETDEV_STAT(stats.rx_bytes)},
  32         {"tx_bytes", IXGB_NETDEV_STAT(stats.tx_bytes)},
  33         {"rx_errors", IXGB_NETDEV_STAT(stats.rx_errors)},
  34         {"tx_errors", IXGB_NETDEV_STAT(stats.tx_errors)},
  35         {"rx_dropped", IXGB_NETDEV_STAT(stats.rx_dropped)},
  36         {"tx_dropped", IXGB_NETDEV_STAT(stats.tx_dropped)},
  37         {"multicast", IXGB_NETDEV_STAT(stats.multicast)},
  38         {"collisions", IXGB_NETDEV_STAT(stats.collisions)},
  39 
  40 /*      { "rx_length_errors", IXGB_NETDEV_STAT(stats.rx_length_errors) },       */
  41         {"rx_over_errors", IXGB_NETDEV_STAT(stats.rx_over_errors)},
  42         {"rx_crc_errors", IXGB_NETDEV_STAT(stats.rx_crc_errors)},
  43         {"rx_frame_errors", IXGB_NETDEV_STAT(stats.rx_frame_errors)},
  44         {"rx_no_buffer_count", IXGB_STAT(stats.rnbc)},
  45         {"rx_fifo_errors", IXGB_NETDEV_STAT(stats.rx_fifo_errors)},
  46         {"rx_missed_errors", IXGB_NETDEV_STAT(stats.rx_missed_errors)},
  47         {"tx_aborted_errors", IXGB_NETDEV_STAT(stats.tx_aborted_errors)},
  48         {"tx_carrier_errors", IXGB_NETDEV_STAT(stats.tx_carrier_errors)},
  49         {"tx_fifo_errors", IXGB_NETDEV_STAT(stats.tx_fifo_errors)},
  50         {"tx_heartbeat_errors", IXGB_NETDEV_STAT(stats.tx_heartbeat_errors)},
  51         {"tx_window_errors", IXGB_NETDEV_STAT(stats.tx_window_errors)},
  52         {"tx_deferred_ok", IXGB_STAT(stats.dc)},
  53         {"tx_timeout_count", IXGB_STAT(tx_timeout_count) },
  54         {"tx_restart_queue", IXGB_STAT(restart_queue) },
  55         {"rx_long_length_errors", IXGB_STAT(stats.roc)},
  56         {"rx_short_length_errors", IXGB_STAT(stats.ruc)},
  57         {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
  58         {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
  59         {"rx_flow_control_xon", IXGB_STAT(stats.xonrxc)},
  60         {"rx_flow_control_xoff", IXGB_STAT(stats.xoffrxc)},
  61         {"tx_flow_control_xon", IXGB_STAT(stats.xontxc)},
  62         {"tx_flow_control_xoff", IXGB_STAT(stats.xofftxc)},
  63         {"rx_csum_offload_good", IXGB_STAT(hw_csum_rx_good)},
  64         {"rx_csum_offload_errors", IXGB_STAT(hw_csum_rx_error)},
  65         {"tx_csum_offload_good", IXGB_STAT(hw_csum_tx_good)},
  66         {"tx_csum_offload_errors", IXGB_STAT(hw_csum_tx_error)}
  67 };
  68 
  69 #define IXGB_STATS_LEN  ARRAY_SIZE(ixgb_gstrings_stats)
  70 
  71 static int
  72 ixgb_get_link_ksettings(struct net_device *netdev,
  73                         struct ethtool_link_ksettings *cmd)
  74 {
  75         struct ixgb_adapter *adapter = netdev_priv(netdev);
  76 
  77         ethtool_link_ksettings_zero_link_mode(cmd, supported);
  78         ethtool_link_ksettings_add_link_mode(cmd, supported, 10000baseT_Full);
  79         ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
  80 
  81         ethtool_link_ksettings_zero_link_mode(cmd, advertising);
  82         ethtool_link_ksettings_add_link_mode(cmd, advertising, 10000baseT_Full);
  83         ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
  84 
  85         cmd->base.port = PORT_FIBRE;
  86 
  87         if (netif_carrier_ok(adapter->netdev)) {
  88                 cmd->base.speed = SPEED_10000;
  89                 cmd->base.duplex = DUPLEX_FULL;
  90         } else {
  91                 cmd->base.speed = SPEED_UNKNOWN;
  92                 cmd->base.duplex = DUPLEX_UNKNOWN;
  93         }
  94 
  95         cmd->base.autoneg = AUTONEG_DISABLE;
  96         return 0;
  97 }
  98 
  99 void ixgb_set_speed_duplex(struct net_device *netdev)
 100 {
 101         struct ixgb_adapter *adapter = netdev_priv(netdev);
 102         /* be optimistic about our link, since we were up before */
 103         adapter->link_speed = 10000;
 104         adapter->link_duplex = FULL_DUPLEX;
 105         netif_carrier_on(netdev);
 106         netif_wake_queue(netdev);
 107 }
 108 
 109 static int
 110 ixgb_set_link_ksettings(struct net_device *netdev,
 111                         const struct ethtool_link_ksettings *cmd)
 112 {
 113         struct ixgb_adapter *adapter = netdev_priv(netdev);
 114         u32 speed = cmd->base.speed;
 115 
 116         if (cmd->base.autoneg == AUTONEG_ENABLE ||
 117             (speed + cmd->base.duplex != SPEED_10000 + DUPLEX_FULL))
 118                 return -EINVAL;
 119 
 120         if (netif_running(adapter->netdev)) {
 121                 ixgb_down(adapter, true);
 122                 ixgb_reset(adapter);
 123                 ixgb_up(adapter);
 124                 ixgb_set_speed_duplex(netdev);
 125         } else
 126                 ixgb_reset(adapter);
 127 
 128         return 0;
 129 }
 130 
 131 static void
 132 ixgb_get_pauseparam(struct net_device *netdev,
 133                          struct ethtool_pauseparam *pause)
 134 {
 135         struct ixgb_adapter *adapter = netdev_priv(netdev);
 136         struct ixgb_hw *hw = &adapter->hw;
 137 
 138         pause->autoneg = AUTONEG_DISABLE;
 139 
 140         if (hw->fc.type == ixgb_fc_rx_pause)
 141                 pause->rx_pause = 1;
 142         else if (hw->fc.type == ixgb_fc_tx_pause)
 143                 pause->tx_pause = 1;
 144         else if (hw->fc.type == ixgb_fc_full) {
 145                 pause->rx_pause = 1;
 146                 pause->tx_pause = 1;
 147         }
 148 }
 149 
 150 static int
 151 ixgb_set_pauseparam(struct net_device *netdev,
 152                          struct ethtool_pauseparam *pause)
 153 {
 154         struct ixgb_adapter *adapter = netdev_priv(netdev);
 155         struct ixgb_hw *hw = &adapter->hw;
 156 
 157         if (pause->autoneg == AUTONEG_ENABLE)
 158                 return -EINVAL;
 159 
 160         if (pause->rx_pause && pause->tx_pause)
 161                 hw->fc.type = ixgb_fc_full;
 162         else if (pause->rx_pause && !pause->tx_pause)
 163                 hw->fc.type = ixgb_fc_rx_pause;
 164         else if (!pause->rx_pause && pause->tx_pause)
 165                 hw->fc.type = ixgb_fc_tx_pause;
 166         else if (!pause->rx_pause && !pause->tx_pause)
 167                 hw->fc.type = ixgb_fc_none;
 168 
 169         if (netif_running(adapter->netdev)) {
 170                 ixgb_down(adapter, true);
 171                 ixgb_up(adapter);
 172                 ixgb_set_speed_duplex(netdev);
 173         } else
 174                 ixgb_reset(adapter);
 175 
 176         return 0;
 177 }
 178 
 179 static u32
 180 ixgb_get_msglevel(struct net_device *netdev)
 181 {
 182         struct ixgb_adapter *adapter = netdev_priv(netdev);
 183         return adapter->msg_enable;
 184 }
 185 
 186 static void
 187 ixgb_set_msglevel(struct net_device *netdev, u32 data)
 188 {
 189         struct ixgb_adapter *adapter = netdev_priv(netdev);
 190         adapter->msg_enable = data;
 191 }
 192 #define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
 193 
 194 static int
 195 ixgb_get_regs_len(struct net_device *netdev)
 196 {
 197 #define IXGB_REG_DUMP_LEN  136*sizeof(u32)
 198         return IXGB_REG_DUMP_LEN;
 199 }
 200 
 201 static void
 202 ixgb_get_regs(struct net_device *netdev,
 203                    struct ethtool_regs *regs, void *p)
 204 {
 205         struct ixgb_adapter *adapter = netdev_priv(netdev);
 206         struct ixgb_hw *hw = &adapter->hw;
 207         u32 *reg = p;
 208         u32 *reg_start = reg;
 209         u8 i;
 210 
 211         /* the 1 (one) below indicates an attempt at versioning, if the
 212          * interface in ethtool or the driver changes, this 1 should be
 213          * incremented */
 214         regs->version = (1<<24) | hw->revision_id << 16 | hw->device_id;
 215 
 216         /* General Registers */
 217         *reg++ = IXGB_READ_REG(hw, CTRL0);      /*   0 */
 218         *reg++ = IXGB_READ_REG(hw, CTRL1);      /*   1 */
 219         *reg++ = IXGB_READ_REG(hw, STATUS);     /*   2 */
 220         *reg++ = IXGB_READ_REG(hw, EECD);       /*   3 */
 221         *reg++ = IXGB_READ_REG(hw, MFS);        /*   4 */
 222 
 223         /* Interrupt */
 224         *reg++ = IXGB_READ_REG(hw, ICR);        /*   5 */
 225         *reg++ = IXGB_READ_REG(hw, ICS);        /*   6 */
 226         *reg++ = IXGB_READ_REG(hw, IMS);        /*   7 */
 227         *reg++ = IXGB_READ_REG(hw, IMC);        /*   8 */
 228 
 229         /* Receive */
 230         *reg++ = IXGB_READ_REG(hw, RCTL);       /*   9 */
 231         *reg++ = IXGB_READ_REG(hw, FCRTL);      /*  10 */
 232         *reg++ = IXGB_READ_REG(hw, FCRTH);      /*  11 */
 233         *reg++ = IXGB_READ_REG(hw, RDBAL);      /*  12 */
 234         *reg++ = IXGB_READ_REG(hw, RDBAH);      /*  13 */
 235         *reg++ = IXGB_READ_REG(hw, RDLEN);      /*  14 */
 236         *reg++ = IXGB_READ_REG(hw, RDH);        /*  15 */
 237         *reg++ = IXGB_READ_REG(hw, RDT);        /*  16 */
 238         *reg++ = IXGB_READ_REG(hw, RDTR);       /*  17 */
 239         *reg++ = IXGB_READ_REG(hw, RXDCTL);     /*  18 */
 240         *reg++ = IXGB_READ_REG(hw, RAIDC);      /*  19 */
 241         *reg++ = IXGB_READ_REG(hw, RXCSUM);     /*  20 */
 242 
 243         /* there are 16 RAR entries in hardware, we only use 3 */
 244         for (i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
 245                 *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
 246                 *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
 247         }
 248 
 249         /* Transmit */
 250         *reg++ = IXGB_READ_REG(hw, TCTL);       /*  53 */
 251         *reg++ = IXGB_READ_REG(hw, TDBAL);      /*  54 */
 252         *reg++ = IXGB_READ_REG(hw, TDBAH);      /*  55 */
 253         *reg++ = IXGB_READ_REG(hw, TDLEN);      /*  56 */
 254         *reg++ = IXGB_READ_REG(hw, TDH);        /*  57 */
 255         *reg++ = IXGB_READ_REG(hw, TDT);        /*  58 */
 256         *reg++ = IXGB_READ_REG(hw, TIDV);       /*  59 */
 257         *reg++ = IXGB_READ_REG(hw, TXDCTL);     /*  60 */
 258         *reg++ = IXGB_READ_REG(hw, TSPMT);      /*  61 */
 259         *reg++ = IXGB_READ_REG(hw, PAP);        /*  62 */
 260 
 261         /* Physical */
 262         *reg++ = IXGB_READ_REG(hw, PCSC1);      /*  63 */
 263         *reg++ = IXGB_READ_REG(hw, PCSC2);      /*  64 */
 264         *reg++ = IXGB_READ_REG(hw, PCSS1);      /*  65 */
 265         *reg++ = IXGB_READ_REG(hw, PCSS2);      /*  66 */
 266         *reg++ = IXGB_READ_REG(hw, XPCSS);      /*  67 */
 267         *reg++ = IXGB_READ_REG(hw, UCCR);       /*  68 */
 268         *reg++ = IXGB_READ_REG(hw, XPCSTC);     /*  69 */
 269         *reg++ = IXGB_READ_REG(hw, MACA);       /*  70 */
 270         *reg++ = IXGB_READ_REG(hw, APAE);       /*  71 */
 271         *reg++ = IXGB_READ_REG(hw, ARD);        /*  72 */
 272         *reg++ = IXGB_READ_REG(hw, AIS);        /*  73 */
 273         *reg++ = IXGB_READ_REG(hw, MSCA);       /*  74 */
 274         *reg++ = IXGB_READ_REG(hw, MSRWD);      /*  75 */
 275 
 276         /* Statistics */
 277         *reg++ = IXGB_GET_STAT(adapter, tprl);  /*  76 */
 278         *reg++ = IXGB_GET_STAT(adapter, tprh);  /*  77 */
 279         *reg++ = IXGB_GET_STAT(adapter, gprcl); /*  78 */
 280         *reg++ = IXGB_GET_STAT(adapter, gprch); /*  79 */
 281         *reg++ = IXGB_GET_STAT(adapter, bprcl); /*  80 */
 282         *reg++ = IXGB_GET_STAT(adapter, bprch); /*  81 */
 283         *reg++ = IXGB_GET_STAT(adapter, mprcl); /*  82 */
 284         *reg++ = IXGB_GET_STAT(adapter, mprch); /*  83 */
 285         *reg++ = IXGB_GET_STAT(adapter, uprcl); /*  84 */
 286         *reg++ = IXGB_GET_STAT(adapter, uprch); /*  85 */
 287         *reg++ = IXGB_GET_STAT(adapter, vprcl); /*  86 */
 288         *reg++ = IXGB_GET_STAT(adapter, vprch); /*  87 */
 289         *reg++ = IXGB_GET_STAT(adapter, jprcl); /*  88 */
 290         *reg++ = IXGB_GET_STAT(adapter, jprch); /*  89 */
 291         *reg++ = IXGB_GET_STAT(adapter, gorcl); /*  90 */
 292         *reg++ = IXGB_GET_STAT(adapter, gorch); /*  91 */
 293         *reg++ = IXGB_GET_STAT(adapter, torl);  /*  92 */
 294         *reg++ = IXGB_GET_STAT(adapter, torh);  /*  93 */
 295         *reg++ = IXGB_GET_STAT(adapter, rnbc);  /*  94 */
 296         *reg++ = IXGB_GET_STAT(adapter, ruc);   /*  95 */
 297         *reg++ = IXGB_GET_STAT(adapter, roc);   /*  96 */
 298         *reg++ = IXGB_GET_STAT(adapter, rlec);  /*  97 */
 299         *reg++ = IXGB_GET_STAT(adapter, crcerrs);       /*  98 */
 300         *reg++ = IXGB_GET_STAT(adapter, icbc);  /*  99 */
 301         *reg++ = IXGB_GET_STAT(adapter, ecbc);  /* 100 */
 302         *reg++ = IXGB_GET_STAT(adapter, mpc);   /* 101 */
 303         *reg++ = IXGB_GET_STAT(adapter, tptl);  /* 102 */
 304         *reg++ = IXGB_GET_STAT(adapter, tpth);  /* 103 */
 305         *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
 306         *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
 307         *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
 308         *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
 309         *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
 310         *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
 311         *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
 312         *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
 313         *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
 314         *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
 315         *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
 316         *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
 317         *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
 318         *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
 319         *reg++ = IXGB_GET_STAT(adapter, totl);  /* 118 */
 320         *reg++ = IXGB_GET_STAT(adapter, toth);  /* 119 */
 321         *reg++ = IXGB_GET_STAT(adapter, dc);    /* 120 */
 322         *reg++ = IXGB_GET_STAT(adapter, plt64c);        /* 121 */
 323         *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
 324         *reg++ = IXGB_GET_STAT(adapter, tsctfc);        /* 123 */
 325         *reg++ = IXGB_GET_STAT(adapter, ibic);  /* 124 */
 326         *reg++ = IXGB_GET_STAT(adapter, rfc);   /* 125 */
 327         *reg++ = IXGB_GET_STAT(adapter, lfc);   /* 126 */
 328         *reg++ = IXGB_GET_STAT(adapter, pfrc);  /* 127 */
 329         *reg++ = IXGB_GET_STAT(adapter, pftc);  /* 128 */
 330         *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
 331         *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
 332         *reg++ = IXGB_GET_STAT(adapter, xonrxc);        /* 131 */
 333         *reg++ = IXGB_GET_STAT(adapter, xontxc);        /* 132 */
 334         *reg++ = IXGB_GET_STAT(adapter, xoffrxc);       /* 133 */
 335         *reg++ = IXGB_GET_STAT(adapter, xofftxc);       /* 134 */
 336         *reg++ = IXGB_GET_STAT(adapter, rjc);   /* 135 */
 337 
 338         regs->len = (reg - reg_start) * sizeof(u32);
 339 }
 340 
 341 static int
 342 ixgb_get_eeprom_len(struct net_device *netdev)
 343 {
 344         /* return size in bytes */
 345         return IXGB_EEPROM_SIZE << 1;
 346 }
 347 
 348 static int
 349 ixgb_get_eeprom(struct net_device *netdev,
 350                   struct ethtool_eeprom *eeprom, u8 *bytes)
 351 {
 352         struct ixgb_adapter *adapter = netdev_priv(netdev);
 353         struct ixgb_hw *hw = &adapter->hw;
 354         __le16 *eeprom_buff;
 355         int i, max_len, first_word, last_word;
 356         int ret_val = 0;
 357 
 358         if (eeprom->len == 0) {
 359                 ret_val = -EINVAL;
 360                 goto geeprom_error;
 361         }
 362 
 363         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 364 
 365         max_len = ixgb_get_eeprom_len(netdev);
 366 
 367         if (eeprom->offset > eeprom->offset + eeprom->len) {
 368                 ret_val = -EINVAL;
 369                 goto geeprom_error;
 370         }
 371 
 372         if ((eeprom->offset + eeprom->len) > max_len)
 373                 eeprom->len = (max_len - eeprom->offset);
 374 
 375         first_word = eeprom->offset >> 1;
 376         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 377 
 378         eeprom_buff = kmalloc_array(last_word - first_word + 1,
 379                                     sizeof(__le16),
 380                                     GFP_KERNEL);
 381         if (!eeprom_buff)
 382                 return -ENOMEM;
 383 
 384         /* note the eeprom was good because the driver loaded */
 385         for (i = 0; i <= (last_word - first_word); i++)
 386                 eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
 387 
 388         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 389         kfree(eeprom_buff);
 390 
 391 geeprom_error:
 392         return ret_val;
 393 }
 394 
 395 static int
 396 ixgb_set_eeprom(struct net_device *netdev,
 397                   struct ethtool_eeprom *eeprom, u8 *bytes)
 398 {
 399         struct ixgb_adapter *adapter = netdev_priv(netdev);
 400         struct ixgb_hw *hw = &adapter->hw;
 401         u16 *eeprom_buff;
 402         void *ptr;
 403         int max_len, first_word, last_word;
 404         u16 i;
 405 
 406         if (eeprom->len == 0)
 407                 return -EINVAL;
 408 
 409         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 410                 return -EFAULT;
 411 
 412         max_len = ixgb_get_eeprom_len(netdev);
 413 
 414         if (eeprom->offset > eeprom->offset + eeprom->len)
 415                 return -EINVAL;
 416 
 417         if ((eeprom->offset + eeprom->len) > max_len)
 418                 eeprom->len = (max_len - eeprom->offset);
 419 
 420         first_word = eeprom->offset >> 1;
 421         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 422         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 423         if (!eeprom_buff)
 424                 return -ENOMEM;
 425 
 426         ptr = (void *)eeprom_buff;
 427 
 428         if (eeprom->offset & 1) {
 429                 /* need read/modify/write of first changed EEPROM word */
 430                 /* only the second byte of the word is being modified */
 431                 eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
 432                 ptr++;
 433         }
 434         if ((eeprom->offset + eeprom->len) & 1) {
 435                 /* need read/modify/write of last changed EEPROM word */
 436                 /* only the first byte of the word is being modified */
 437                 eeprom_buff[last_word - first_word]
 438                         = ixgb_read_eeprom(hw, last_word);
 439         }
 440 
 441         memcpy(ptr, bytes, eeprom->len);
 442         for (i = 0; i <= (last_word - first_word); i++)
 443                 ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
 444 
 445         /* Update the checksum over the first part of the EEPROM if needed */
 446         if (first_word <= EEPROM_CHECKSUM_REG)
 447                 ixgb_update_eeprom_checksum(hw);
 448 
 449         kfree(eeprom_buff);
 450         return 0;
 451 }
 452 
 453 static void
 454 ixgb_get_drvinfo(struct net_device *netdev,
 455                    struct ethtool_drvinfo *drvinfo)
 456 {
 457         struct ixgb_adapter *adapter = netdev_priv(netdev);
 458 
 459         strlcpy(drvinfo->driver,  ixgb_driver_name,
 460                 sizeof(drvinfo->driver));
 461         strlcpy(drvinfo->version, ixgb_driver_version,
 462                 sizeof(drvinfo->version));
 463         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 464                 sizeof(drvinfo->bus_info));
 465 }
 466 
 467 static void
 468 ixgb_get_ringparam(struct net_device *netdev,
 469                 struct ethtool_ringparam *ring)
 470 {
 471         struct ixgb_adapter *adapter = netdev_priv(netdev);
 472         struct ixgb_desc_ring *txdr = &adapter->tx_ring;
 473         struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
 474 
 475         ring->rx_max_pending = MAX_RXD;
 476         ring->tx_max_pending = MAX_TXD;
 477         ring->rx_pending = rxdr->count;
 478         ring->tx_pending = txdr->count;
 479 }
 480 
 481 static int
 482 ixgb_set_ringparam(struct net_device *netdev,
 483                 struct ethtool_ringparam *ring)
 484 {
 485         struct ixgb_adapter *adapter = netdev_priv(netdev);
 486         struct ixgb_desc_ring *txdr = &adapter->tx_ring;
 487         struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
 488         struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
 489         int err;
 490 
 491         tx_old = adapter->tx_ring;
 492         rx_old = adapter->rx_ring;
 493 
 494         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 495                 return -EINVAL;
 496 
 497         if (netif_running(adapter->netdev))
 498                 ixgb_down(adapter, true);
 499 
 500         rxdr->count = max(ring->rx_pending,(u32)MIN_RXD);
 501         rxdr->count = min(rxdr->count,(u32)MAX_RXD);
 502         rxdr->count = ALIGN(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
 503 
 504         txdr->count = max(ring->tx_pending,(u32)MIN_TXD);
 505         txdr->count = min(txdr->count,(u32)MAX_TXD);
 506         txdr->count = ALIGN(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
 507 
 508         if (netif_running(adapter->netdev)) {
 509                 /* Try to get new resources before deleting old */
 510                 if ((err = ixgb_setup_rx_resources(adapter)))
 511                         goto err_setup_rx;
 512                 if ((err = ixgb_setup_tx_resources(adapter)))
 513                         goto err_setup_tx;
 514 
 515                 /* save the new, restore the old in order to free it,
 516                  * then restore the new back again */
 517 
 518                 rx_new = adapter->rx_ring;
 519                 tx_new = adapter->tx_ring;
 520                 adapter->rx_ring = rx_old;
 521                 adapter->tx_ring = tx_old;
 522                 ixgb_free_rx_resources(adapter);
 523                 ixgb_free_tx_resources(adapter);
 524                 adapter->rx_ring = rx_new;
 525                 adapter->tx_ring = tx_new;
 526                 if ((err = ixgb_up(adapter)))
 527                         return err;
 528                 ixgb_set_speed_duplex(netdev);
 529         }
 530 
 531         return 0;
 532 err_setup_tx:
 533         ixgb_free_rx_resources(adapter);
 534 err_setup_rx:
 535         adapter->rx_ring = rx_old;
 536         adapter->tx_ring = tx_old;
 537         ixgb_up(adapter);
 538         return err;
 539 }
 540 
 541 static int
 542 ixgb_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
 543 {
 544         struct ixgb_adapter *adapter = netdev_priv(netdev);
 545 
 546         switch (state) {
 547         case ETHTOOL_ID_ACTIVE:
 548                 return 2;
 549 
 550         case ETHTOOL_ID_ON:
 551                 ixgb_led_on(&adapter->hw);
 552                 break;
 553 
 554         case ETHTOOL_ID_OFF:
 555         case ETHTOOL_ID_INACTIVE:
 556                 ixgb_led_off(&adapter->hw);
 557         }
 558 
 559         return 0;
 560 }
 561 
 562 static int
 563 ixgb_get_sset_count(struct net_device *netdev, int sset)
 564 {
 565         switch (sset) {
 566         case ETH_SS_STATS:
 567                 return IXGB_STATS_LEN;
 568         default:
 569                 return -EOPNOTSUPP;
 570         }
 571 }
 572 
 573 static void
 574 ixgb_get_ethtool_stats(struct net_device *netdev,
 575                 struct ethtool_stats *stats, u64 *data)
 576 {
 577         struct ixgb_adapter *adapter = netdev_priv(netdev);
 578         int i;
 579         char *p = NULL;
 580 
 581         ixgb_update_stats(adapter);
 582         for (i = 0; i < IXGB_STATS_LEN; i++) {
 583                 switch (ixgb_gstrings_stats[i].type) {
 584                 case NETDEV_STATS:
 585                         p = (char *) netdev +
 586                                         ixgb_gstrings_stats[i].stat_offset;
 587                         break;
 588                 case IXGB_STATS:
 589                         p = (char *) adapter +
 590                                         ixgb_gstrings_stats[i].stat_offset;
 591                         break;
 592                 }
 593 
 594                 data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
 595                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 596         }
 597 }
 598 
 599 static void
 600 ixgb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 601 {
 602         int i;
 603 
 604         switch(stringset) {
 605         case ETH_SS_STATS:
 606                 for (i = 0; i < IXGB_STATS_LEN; i++) {
 607                         memcpy(data + i * ETH_GSTRING_LEN,
 608                         ixgb_gstrings_stats[i].stat_string,
 609                         ETH_GSTRING_LEN);
 610                 }
 611                 break;
 612         }
 613 }
 614 
 615 static const struct ethtool_ops ixgb_ethtool_ops = {
 616         .get_drvinfo = ixgb_get_drvinfo,
 617         .get_regs_len = ixgb_get_regs_len,
 618         .get_regs = ixgb_get_regs,
 619         .get_link = ethtool_op_get_link,
 620         .get_eeprom_len = ixgb_get_eeprom_len,
 621         .get_eeprom = ixgb_get_eeprom,
 622         .set_eeprom = ixgb_set_eeprom,
 623         .get_ringparam = ixgb_get_ringparam,
 624         .set_ringparam = ixgb_set_ringparam,
 625         .get_pauseparam = ixgb_get_pauseparam,
 626         .set_pauseparam = ixgb_set_pauseparam,
 627         .get_msglevel = ixgb_get_msglevel,
 628         .set_msglevel = ixgb_set_msglevel,
 629         .get_strings = ixgb_get_strings,
 630         .set_phys_id = ixgb_set_phys_id,
 631         .get_sset_count = ixgb_get_sset_count,
 632         .get_ethtool_stats = ixgb_get_ethtool_stats,
 633         .get_link_ksettings = ixgb_get_link_ksettings,
 634         .set_link_ksettings = ixgb_set_link_ksettings,
 635 };
 636 
 637 void ixgb_set_ethtool_ops(struct net_device *netdev)
 638 {
 639         netdev->ethtool_ops = &ixgb_ethtool_ops;
 640 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/net/ethernet/intel/ixgb/ixgb_ethtool.c

DEFINITIONS
