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igb_ethtool.c
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igb_ethtool.c
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/*******************************************************************************
Intel(R) Gigabit Ethernet Linux driver
Copyright(c) 2007-2013 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
/* ethtool support for igb */
#include <linux/vmalloc.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/if_ether.h>
#include <linux/ethtool.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/pm_runtime.h>
#include <linux/highmem.h>
#include <linux/mdio.h>
#include "igb.h"
struct igb_stats {
char stat_string[ETH_GSTRING_LEN];
int sizeof_stat;
int stat_offset;
};
#define IGB_STAT(_name, _stat) { \
.stat_string = _name, \
.sizeof_stat = FIELD_SIZEOF(struct igb_adapter, _stat), \
.stat_offset = offsetof(struct igb_adapter, _stat) \
}
static const struct igb_stats igb_gstrings_stats[] = {
IGB_STAT("rx_packets", stats.gprc),
IGB_STAT("tx_packets", stats.gptc),
IGB_STAT("rx_bytes", stats.gorc),
IGB_STAT("tx_bytes", stats.gotc),
IGB_STAT("rx_broadcast", stats.bprc),
IGB_STAT("tx_broadcast", stats.bptc),
IGB_STAT("rx_multicast", stats.mprc),
IGB_STAT("tx_multicast", stats.mptc),
IGB_STAT("multicast", stats.mprc),
IGB_STAT("collisions", stats.colc),
IGB_STAT("rx_crc_errors", stats.crcerrs),
IGB_STAT("rx_no_buffer_count", stats.rnbc),
IGB_STAT("rx_missed_errors", stats.mpc),
IGB_STAT("tx_aborted_errors", stats.ecol),
IGB_STAT("tx_carrier_errors", stats.tncrs),
IGB_STAT("tx_window_errors", stats.latecol),
IGB_STAT("tx_abort_late_coll", stats.latecol),
IGB_STAT("tx_deferred_ok", stats.dc),
IGB_STAT("tx_single_coll_ok", stats.scc),
IGB_STAT("tx_multi_coll_ok", stats.mcc),
IGB_STAT("tx_timeout_count", tx_timeout_count),
IGB_STAT("rx_long_length_errors", stats.roc),
IGB_STAT("rx_short_length_errors", stats.ruc),
IGB_STAT("rx_align_errors", stats.algnerrc),
IGB_STAT("tx_tcp_seg_good", stats.tsctc),
IGB_STAT("tx_tcp_seg_failed", stats.tsctfc),
IGB_STAT("rx_flow_control_xon", stats.xonrxc),
IGB_STAT("rx_flow_control_xoff", stats.xoffrxc),
IGB_STAT("tx_flow_control_xon", stats.xontxc),
IGB_STAT("tx_flow_control_xoff", stats.xofftxc),
IGB_STAT("rx_long_byte_count", stats.gorc),
IGB_STAT("tx_dma_out_of_sync", stats.doosync),
IGB_STAT("tx_smbus", stats.mgptc),
IGB_STAT("rx_smbus", stats.mgprc),
IGB_STAT("dropped_smbus", stats.mgpdc),
IGB_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
IGB_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
IGB_STAT("os2bmc_tx_by_host", stats.o2bspc),
IGB_STAT("os2bmc_rx_by_host", stats.b2ogprc),
IGB_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
IGB_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
};
#define IGB_NETDEV_STAT(_net_stat) { \
.stat_string = __stringify(_net_stat), \
.sizeof_stat = FIELD_SIZEOF(struct rtnl_link_stats64, _net_stat), \
.stat_offset = offsetof(struct rtnl_link_stats64, _net_stat) \
}
static const struct igb_stats igb_gstrings_net_stats[] = {
IGB_NETDEV_STAT(rx_errors),
IGB_NETDEV_STAT(tx_errors),
IGB_NETDEV_STAT(tx_dropped),
IGB_NETDEV_STAT(rx_length_errors),
IGB_NETDEV_STAT(rx_over_errors),
IGB_NETDEV_STAT(rx_frame_errors),
IGB_NETDEV_STAT(rx_fifo_errors),
IGB_NETDEV_STAT(tx_fifo_errors),
IGB_NETDEV_STAT(tx_heartbeat_errors)
};
#define IGB_GLOBAL_STATS_LEN \
(sizeof(igb_gstrings_stats) / sizeof(struct igb_stats))
#define IGB_NETDEV_STATS_LEN \
(sizeof(igb_gstrings_net_stats) / sizeof(struct igb_stats))
#define IGB_RX_QUEUE_STATS_LEN \
(sizeof(struct igb_rx_queue_stats) / sizeof(u64))
#define IGB_TX_QUEUE_STATS_LEN 3 /* packets, bytes, restart_queue */
#define IGB_QUEUE_STATS_LEN \
((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues * \
IGB_RX_QUEUE_STATS_LEN) + \
(((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues * \
IGB_TX_QUEUE_STATS_LEN))
#define IGB_STATS_LEN \
(IGB_GLOBAL_STATS_LEN + IGB_NETDEV_STATS_LEN + IGB_QUEUE_STATS_LEN)
static const char igb_gstrings_test[][ETH_GSTRING_LEN] = {
"Register test (offline)", "Eeprom test (offline)",
"Interrupt test (offline)", "Loopback test (offline)",
"Link test (on/offline)"
};
#define IGB_TEST_LEN (sizeof(igb_gstrings_test) / ETH_GSTRING_LEN)
static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
struct e1000_sfp_flags *eth_flags = &dev_spec->eth_flags;
u32 status;
status = rd32(E1000_STATUS);
if (hw->phy.media_type == e1000_media_type_copper) {
ecmd->supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_1000baseT_Full|
SUPPORTED_Autoneg |
SUPPORTED_TP |
SUPPORTED_Pause);
ecmd->advertising = ADVERTISED_TP;
if (hw->mac.autoneg == 1) {
ecmd->advertising |= ADVERTISED_Autoneg;
/* the e1000 autoneg seems to match ethtool nicely */
ecmd->advertising |= hw->phy.autoneg_advertised;
}
ecmd->port = PORT_TP;
ecmd->phy_address = hw->phy.addr;
ecmd->transceiver = XCVR_INTERNAL;
} else {
ecmd->supported = (SUPPORTED_FIBRE |
SUPPORTED_1000baseKX_Full |
SUPPORTED_Autoneg |
SUPPORTED_Pause);
ecmd->advertising = (ADVERTISED_FIBRE |
ADVERTISED_1000baseKX_Full);
if (hw->mac.type == e1000_i354) {
if ((hw->device_id ==
E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) &&
!(status & E1000_STATUS_2P5_SKU_OVER)) {
ecmd->supported |= SUPPORTED_2500baseX_Full;
ecmd->supported &=
~SUPPORTED_1000baseKX_Full;
ecmd->advertising |= ADVERTISED_2500baseX_Full;
ecmd->advertising &=
~ADVERTISED_1000baseKX_Full;
}
}
if (eth_flags->e100_base_fx) {
ecmd->supported |= SUPPORTED_100baseT_Full;
ecmd->advertising |= ADVERTISED_100baseT_Full;
}
if (hw->mac.autoneg == 1)
ecmd->advertising |= ADVERTISED_Autoneg;
ecmd->port = PORT_FIBRE;
ecmd->transceiver = XCVR_EXTERNAL;
}
if (hw->mac.autoneg != 1)
ecmd->advertising &= ~(ADVERTISED_Pause |
ADVERTISED_Asym_Pause);
switch (hw->fc.requested_mode) {
case e1000_fc_full:
ecmd->advertising |= ADVERTISED_Pause;
break;
case e1000_fc_rx_pause:
ecmd->advertising |= (ADVERTISED_Pause |
ADVERTISED_Asym_Pause);
break;
case e1000_fc_tx_pause:
ecmd->advertising |= ADVERTISED_Asym_Pause;
break;
default:
ecmd->advertising &= ~(ADVERTISED_Pause |
ADVERTISED_Asym_Pause);
}
if (status & E1000_STATUS_LU) {
if ((status & E1000_STATUS_2P5_SKU) &&
!(status & E1000_STATUS_2P5_SKU_OVER)) {
ecmd->speed = SPEED_2500;
} else if (status & E1000_STATUS_SPEED_1000) {
ecmd->speed = SPEED_1000;
} else if (status & E1000_STATUS_SPEED_100) {
ecmd->speed = SPEED_100;
} else {
ecmd->speed = SPEED_10;
}
if ((status & E1000_STATUS_FD) ||
hw->phy.media_type != e1000_media_type_copper)
ecmd->duplex = DUPLEX_FULL;
else
ecmd->duplex = DUPLEX_HALF;
} else {
ecmd->speed = -1;
ecmd->duplex = -1;
}
if ((hw->phy.media_type == e1000_media_type_fiber) ||
hw->mac.autoneg)
ecmd->autoneg = AUTONEG_ENABLE;
else
ecmd->autoneg = AUTONEG_DISABLE;
/* MDI-X => 2; MDI =>1; Invalid =>0 */
if (hw->phy.media_type == e1000_media_type_copper)
ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
ETH_TP_MDI;
else
ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
if (hw->phy.mdix == AUTO_ALL_MODES)
ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
else
ecmd->eth_tp_mdix_ctrl = hw->phy.mdix;
return 0;
}
static int igb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
/* When SoL/IDER sessions are active, autoneg/speed/duplex
* cannot be changed
*/
if (igb_check_reset_block(hw)) {
dev_err(&adapter->pdev->dev,
"Cannot change link characteristics when SoL/IDER is active.\n");
return -EINVAL;
}
/* MDI setting is only allowed when autoneg enabled because
* some hardware doesn't allow MDI setting when speed or
* duplex is forced.
*/
if (ecmd->eth_tp_mdix_ctrl) {
if (hw->phy.media_type != e1000_media_type_copper)
return -EOPNOTSUPP;
if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
(ecmd->autoneg != AUTONEG_ENABLE)) {
dev_err(&adapter->pdev->dev, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
return -EINVAL;
}
}
while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
msleep(1);
if (ecmd->autoneg == AUTONEG_ENABLE) {
hw->mac.autoneg = 1;
if (hw->phy.media_type == e1000_media_type_fiber) {
hw->phy.autoneg_advertised = ecmd->advertising |
ADVERTISED_FIBRE |
ADVERTISED_Autoneg;
switch (adapter->link_speed) {
case SPEED_2500:
hw->phy.autoneg_advertised =
ADVERTISED_2500baseX_Full;
break;
case SPEED_1000:
hw->phy.autoneg_advertised =
ADVERTISED_1000baseT_Full;
break;
case SPEED_100:
hw->phy.autoneg_advertised =
ADVERTISED_100baseT_Full;
break;
default:
break;
}
} else {
hw->phy.autoneg_advertised = ecmd->advertising |
ADVERTISED_TP |
ADVERTISED_Autoneg;
}
ecmd->advertising = hw->phy.autoneg_advertised;
if (adapter->fc_autoneg)
hw->fc.requested_mode = e1000_fc_default;
} else {
u32 speed = ethtool_cmd_speed(ecmd);
/* calling this overrides forced MDI setting */
if (igb_set_spd_dplx(adapter, speed, ecmd->duplex)) {
clear_bit(__IGB_RESETTING, &adapter->state);
return -EINVAL;
}
}
/* MDI-X => 2; MDI => 1; Auto => 3 */
if (ecmd->eth_tp_mdix_ctrl) {
/* fix up the value for auto (3 => 0) as zero is mapped
* internally to auto
*/
if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
hw->phy.mdix = AUTO_ALL_MODES;
else
hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
}
/* reset the link */
if (netif_running(adapter->netdev)) {
igb_down(adapter);
igb_up(adapter);
} else
igb_reset(adapter);
clear_bit(__IGB_RESETTING, &adapter->state);
return 0;
}
static u32 igb_get_link(struct net_device *netdev)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_mac_info *mac = &adapter->hw.mac;
/* If the link is not reported up to netdev, interrupts are disabled,
* and so the physical link state may have changed since we last
* looked. Set get_link_status to make sure that the true link
* state is interrogated, rather than pulling a cached and possibly
* stale link state from the driver.
*/
if (!netif_carrier_ok(netdev))
mac->get_link_status = 1;
return igb_has_link(adapter);
}
static void igb_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
pause->autoneg =
(adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
if (hw->fc.current_mode == e1000_fc_rx_pause)
pause->rx_pause = 1;
else if (hw->fc.current_mode == e1000_fc_tx_pause)
pause->tx_pause = 1;
else if (hw->fc.current_mode == e1000_fc_full) {
pause->rx_pause = 1;
pause->tx_pause = 1;
}
}
static int igb_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
int retval = 0;
/* 100basefx does not support setting link flow control */
if (hw->dev_spec._82575.eth_flags.e100_base_fx)
return -EINVAL;
adapter->fc_autoneg = pause->autoneg;
while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
msleep(1);
if (adapter->fc_autoneg == AUTONEG_ENABLE) {
hw->fc.requested_mode = e1000_fc_default;
if (netif_running(adapter->netdev)) {
igb_down(adapter);
igb_up(adapter);
} else {
igb_reset(adapter);
}
} else {
if (pause->rx_pause && pause->tx_pause)
hw->fc.requested_mode = e1000_fc_full;
else if (pause->rx_pause && !pause->tx_pause)
hw->fc.requested_mode = e1000_fc_rx_pause;
else if (!pause->rx_pause && pause->tx_pause)
hw->fc.requested_mode = e1000_fc_tx_pause;
else if (!pause->rx_pause && !pause->tx_pause)
hw->fc.requested_mode = e1000_fc_none;
hw->fc.current_mode = hw->fc.requested_mode;
retval = ((hw->phy.media_type == e1000_media_type_copper) ?
igb_force_mac_fc(hw) : igb_setup_link(hw));
}
clear_bit(__IGB_RESETTING, &adapter->state);
return retval;
}
static u32 igb_get_msglevel(struct net_device *netdev)
{
struct igb_adapter *adapter = netdev_priv(netdev);
return adapter->msg_enable;
}
static void igb_set_msglevel(struct net_device *netdev, u32 data)
{
struct igb_adapter *adapter = netdev_priv(netdev);
adapter->msg_enable = data;
}
static int igb_get_regs_len(struct net_device *netdev)
{
#define IGB_REGS_LEN 739
return IGB_REGS_LEN * sizeof(u32);
}
static void igb_get_regs(struct net_device *netdev,
struct ethtool_regs *regs, void *p)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u32 *regs_buff = p;
u8 i;
memset(p, 0, IGB_REGS_LEN * sizeof(u32));
regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
/* General Registers */
regs_buff[0] = rd32(E1000_CTRL);
regs_buff[1] = rd32(E1000_STATUS);
regs_buff[2] = rd32(E1000_CTRL_EXT);
regs_buff[3] = rd32(E1000_MDIC);
regs_buff[4] = rd32(E1000_SCTL);
regs_buff[5] = rd32(E1000_CONNSW);
regs_buff[6] = rd32(E1000_VET);
regs_buff[7] = rd32(E1000_LEDCTL);
regs_buff[8] = rd32(E1000_PBA);
regs_buff[9] = rd32(E1000_PBS);
regs_buff[10] = rd32(E1000_FRTIMER);
regs_buff[11] = rd32(E1000_TCPTIMER);
/* NVM Register */
regs_buff[12] = rd32(E1000_EECD);
/* Interrupt */
/* Reading EICS for EICR because they read the
* same but EICS does not clear on read
*/
regs_buff[13] = rd32(E1000_EICS);
regs_buff[14] = rd32(E1000_EICS);
regs_buff[15] = rd32(E1000_EIMS);
regs_buff[16] = rd32(E1000_EIMC);
regs_buff[17] = rd32(E1000_EIAC);
regs_buff[18] = rd32(E1000_EIAM);
/* Reading ICS for ICR because they read the
* same but ICS does not clear on read
*/
regs_buff[19] = rd32(E1000_ICS);
regs_buff[20] = rd32(E1000_ICS);
regs_buff[21] = rd32(E1000_IMS);
regs_buff[22] = rd32(E1000_IMC);
regs_buff[23] = rd32(E1000_IAC);
regs_buff[24] = rd32(E1000_IAM);
regs_buff[25] = rd32(E1000_IMIRVP);
/* Flow Control */
regs_buff[26] = rd32(E1000_FCAL);
regs_buff[27] = rd32(E1000_FCAH);
regs_buff[28] = rd32(E1000_FCTTV);
regs_buff[29] = rd32(E1000_FCRTL);
regs_buff[30] = rd32(E1000_FCRTH);
regs_buff[31] = rd32(E1000_FCRTV);
/* Receive */
regs_buff[32] = rd32(E1000_RCTL);
regs_buff[33] = rd32(E1000_RXCSUM);
regs_buff[34] = rd32(E1000_RLPML);
regs_buff[35] = rd32(E1000_RFCTL);
regs_buff[36] = rd32(E1000_MRQC);
regs_buff[37] = rd32(E1000_VT_CTL);
/* Transmit */
regs_buff[38] = rd32(E1000_TCTL);
regs_buff[39] = rd32(E1000_TCTL_EXT);
regs_buff[40] = rd32(E1000_TIPG);
regs_buff[41] = rd32(E1000_DTXCTL);
/* Wake Up */
regs_buff[42] = rd32(E1000_WUC);
regs_buff[43] = rd32(E1000_WUFC);
regs_buff[44] = rd32(E1000_WUS);
regs_buff[45] = rd32(E1000_IPAV);
regs_buff[46] = rd32(E1000_WUPL);
/* MAC */
regs_buff[47] = rd32(E1000_PCS_CFG0);
regs_buff[48] = rd32(E1000_PCS_LCTL);
regs_buff[49] = rd32(E1000_PCS_LSTAT);
regs_buff[50] = rd32(E1000_PCS_ANADV);
regs_buff[51] = rd32(E1000_PCS_LPAB);
regs_buff[52] = rd32(E1000_PCS_NPTX);
regs_buff[53] = rd32(E1000_PCS_LPABNP);
/* Statistics */
regs_buff[54] = adapter->stats.crcerrs;
regs_buff[55] = adapter->stats.algnerrc;
regs_buff[56] = adapter->stats.symerrs;
regs_buff[57] = adapter->stats.rxerrc;
regs_buff[58] = adapter->stats.mpc;
regs_buff[59] = adapter->stats.scc;
regs_buff[60] = adapter->stats.ecol;
regs_buff[61] = adapter->stats.mcc;
regs_buff[62] = adapter->stats.latecol;
regs_buff[63] = adapter->stats.colc;
regs_buff[64] = adapter->stats.dc;
regs_buff[65] = adapter->stats.tncrs;
regs_buff[66] = adapter->stats.sec;
regs_buff[67] = adapter->stats.htdpmc;
regs_buff[68] = adapter->stats.rlec;
regs_buff[69] = adapter->stats.xonrxc;
regs_buff[70] = adapter->stats.xontxc;
regs_buff[71] = adapter->stats.xoffrxc;
regs_buff[72] = adapter->stats.xofftxc;
regs_buff[73] = adapter->stats.fcruc;
regs_buff[74] = adapter->stats.prc64;
regs_buff[75] = adapter->stats.prc127;
regs_buff[76] = adapter->stats.prc255;
regs_buff[77] = adapter->stats.prc511;
regs_buff[78] = adapter->stats.prc1023;
regs_buff[79] = adapter->stats.prc1522;
regs_buff[80] = adapter->stats.gprc;
regs_buff[81] = adapter->stats.bprc;
regs_buff[82] = adapter->stats.mprc;
regs_buff[83] = adapter->stats.gptc;
regs_buff[84] = adapter->stats.gorc;
regs_buff[86] = adapter->stats.gotc;
regs_buff[88] = adapter->stats.rnbc;
regs_buff[89] = adapter->stats.ruc;
regs_buff[90] = adapter->stats.rfc;
regs_buff[91] = adapter->stats.roc;
regs_buff[92] = adapter->stats.rjc;
regs_buff[93] = adapter->stats.mgprc;
regs_buff[94] = adapter->stats.mgpdc;
regs_buff[95] = adapter->stats.mgptc;
regs_buff[96] = adapter->stats.tor;
regs_buff[98] = adapter->stats.tot;
regs_buff[100] = adapter->stats.tpr;
regs_buff[101] = adapter->stats.tpt;
regs_buff[102] = adapter->stats.ptc64;
regs_buff[103] = adapter->stats.ptc127;
regs_buff[104] = adapter->stats.ptc255;
regs_buff[105] = adapter->stats.ptc511;
regs_buff[106] = adapter->stats.ptc1023;
regs_buff[107] = adapter->stats.ptc1522;
regs_buff[108] = adapter->stats.mptc;
regs_buff[109] = adapter->stats.bptc;
regs_buff[110] = adapter->stats.tsctc;
regs_buff[111] = adapter->stats.iac;
regs_buff[112] = adapter->stats.rpthc;
regs_buff[113] = adapter->stats.hgptc;
regs_buff[114] = adapter->stats.hgorc;
regs_buff[116] = adapter->stats.hgotc;
regs_buff[118] = adapter->stats.lenerrs;
regs_buff[119] = adapter->stats.scvpc;
regs_buff[120] = adapter->stats.hrmpc;
for (i = 0; i < 4; i++)
regs_buff[121 + i] = rd32(E1000_SRRCTL(i));
for (i = 0; i < 4; i++)
regs_buff[125 + i] = rd32(E1000_PSRTYPE(i));
for (i = 0; i < 4; i++)
regs_buff[129 + i] = rd32(E1000_RDBAL(i));
for (i = 0; i < 4; i++)
regs_buff[133 + i] = rd32(E1000_RDBAH(i));
for (i = 0; i < 4; i++)
regs_buff[137 + i] = rd32(E1000_RDLEN(i));
for (i = 0; i < 4; i++)
regs_buff[141 + i] = rd32(E1000_RDH(i));
for (i = 0; i < 4; i++)
regs_buff[145 + i] = rd32(E1000_RDT(i));
for (i = 0; i < 4; i++)
regs_buff[149 + i] = rd32(E1000_RXDCTL(i));
for (i = 0; i < 10; i++)
regs_buff[153 + i] = rd32(E1000_EITR(i));
for (i = 0; i < 8; i++)
regs_buff[163 + i] = rd32(E1000_IMIR(i));
for (i = 0; i < 8; i++)
regs_buff[171 + i] = rd32(E1000_IMIREXT(i));
for (i = 0; i < 16; i++)
regs_buff[179 + i] = rd32(E1000_RAL(i));
for (i = 0; i < 16; i++)
regs_buff[195 + i] = rd32(E1000_RAH(i));
for (i = 0; i < 4; i++)
regs_buff[211 + i] = rd32(E1000_TDBAL(i));
for (i = 0; i < 4; i++)
regs_buff[215 + i] = rd32(E1000_TDBAH(i));
for (i = 0; i < 4; i++)
regs_buff[219 + i] = rd32(E1000_TDLEN(i));
for (i = 0; i < 4; i++)
regs_buff[223 + i] = rd32(E1000_TDH(i));
for (i = 0; i < 4; i++)
regs_buff[227 + i] = rd32(E1000_TDT(i));
for (i = 0; i < 4; i++)
regs_buff[231 + i] = rd32(E1000_TXDCTL(i));
for (i = 0; i < 4; i++)
regs_buff[235 + i] = rd32(E1000_TDWBAL(i));
for (i = 0; i < 4; i++)
regs_buff[239 + i] = rd32(E1000_TDWBAH(i));
for (i = 0; i < 4; i++)
regs_buff[243 + i] = rd32(E1000_DCA_TXCTRL(i));
for (i = 0; i < 4; i++)
regs_buff[247 + i] = rd32(E1000_IP4AT_REG(i));
for (i = 0; i < 4; i++)
regs_buff[251 + i] = rd32(E1000_IP6AT_REG(i));
for (i = 0; i < 32; i++)
regs_buff[255 + i] = rd32(E1000_WUPM_REG(i));
for (i = 0; i < 128; i++)
regs_buff[287 + i] = rd32(E1000_FFMT_REG(i));
for (i = 0; i < 128; i++)
regs_buff[415 + i] = rd32(E1000_FFVT_REG(i));
for (i = 0; i < 4; i++)
regs_buff[543 + i] = rd32(E1000_FFLT_REG(i));
regs_buff[547] = rd32(E1000_TDFH);
regs_buff[548] = rd32(E1000_TDFT);
regs_buff[549] = rd32(E1000_TDFHS);
regs_buff[550] = rd32(E1000_TDFPC);
if (hw->mac.type > e1000_82580) {
regs_buff[551] = adapter->stats.o2bgptc;
regs_buff[552] = adapter->stats.b2ospc;
regs_buff[553] = adapter->stats.o2bspc;
regs_buff[554] = adapter->stats.b2ogprc;
}
if (hw->mac.type != e1000_82576)
return;
for (i = 0; i < 12; i++)
regs_buff[555 + i] = rd32(E1000_SRRCTL(i + 4));
for (i = 0; i < 4; i++)
regs_buff[567 + i] = rd32(E1000_PSRTYPE(i + 4));
for (i = 0; i < 12; i++)
regs_buff[571 + i] = rd32(E1000_RDBAL(i + 4));
for (i = 0; i < 12; i++)
regs_buff[583 + i] = rd32(E1000_RDBAH(i + 4));
for (i = 0; i < 12; i++)
regs_buff[595 + i] = rd32(E1000_RDLEN(i + 4));
for (i = 0; i < 12; i++)
regs_buff[607 + i] = rd32(E1000_RDH(i + 4));
for (i = 0; i < 12; i++)
regs_buff[619 + i] = rd32(E1000_RDT(i + 4));
for (i = 0; i < 12; i++)
regs_buff[631 + i] = rd32(E1000_RXDCTL(i + 4));
for (i = 0; i < 12; i++)
regs_buff[643 + i] = rd32(E1000_TDBAL(i + 4));
for (i = 0; i < 12; i++)
regs_buff[655 + i] = rd32(E1000_TDBAH(i + 4));
for (i = 0; i < 12; i++)
regs_buff[667 + i] = rd32(E1000_TDLEN(i + 4));
for (i = 0; i < 12; i++)
regs_buff[679 + i] = rd32(E1000_TDH(i + 4));
for (i = 0; i < 12; i++)
regs_buff[691 + i] = rd32(E1000_TDT(i + 4));
for (i = 0; i < 12; i++)
regs_buff[703 + i] = rd32(E1000_TXDCTL(i + 4));
for (i = 0; i < 12; i++)
regs_buff[715 + i] = rd32(E1000_TDWBAL(i + 4));
for (i = 0; i < 12; i++)
regs_buff[727 + i] = rd32(E1000_TDWBAH(i + 4));
}
static int igb_get_eeprom_len(struct net_device *netdev)
{
struct igb_adapter *adapter = netdev_priv(netdev);
return adapter->hw.nvm.word_size * 2;
}
static int igb_get_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u16 *eeprom_buff;
int first_word, last_word;
int ret_val = 0;
u16 i;
if (eeprom->len == 0)
return -EINVAL;
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
first_word = eeprom->offset >> 1;
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
eeprom_buff = kmalloc(sizeof(u16) *
(last_word - first_word + 1), GFP_KERNEL);
if (!eeprom_buff)
return -ENOMEM;
if (hw->nvm.type == e1000_nvm_eeprom_spi)
ret_val = hw->nvm.ops.read(hw, first_word,
last_word - first_word + 1,
eeprom_buff);
else {
for (i = 0; i < last_word - first_word + 1; i++) {
ret_val = hw->nvm.ops.read(hw, first_word + i, 1,
&eeprom_buff[i]);
if (ret_val)
break;
}
}
/* Device's eeprom is always little-endian, word addressable */
for (i = 0; i < last_word - first_word + 1; i++)
le16_to_cpus(&eeprom_buff[i]);
memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
eeprom->len);
kfree(eeprom_buff);
return ret_val;
}
static int igb_set_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u16 *eeprom_buff;
void *ptr;
int max_len, first_word, last_word, ret_val = 0;
u16 i;
if (eeprom->len == 0)
return -EOPNOTSUPP;
if ((hw->mac.type >= e1000_i210) &&
!igb_get_flash_presence_i210(hw)) {
return -EOPNOTSUPP;
}
if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
return -EFAULT;
max_len = hw->nvm.word_size * 2;
first_word = eeprom->offset >> 1;
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
eeprom_buff = kmalloc(max_len, GFP_KERNEL);
if (!eeprom_buff)
return -ENOMEM;
ptr = (void *)eeprom_buff;
if (eeprom->offset & 1) {
/* need read/modify/write of first changed EEPROM word
* only the second byte of the word is being modified
*/
ret_val = hw->nvm.ops.read(hw, first_word, 1,
&eeprom_buff[0]);
ptr++;
}
if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
/* need read/modify/write of last changed EEPROM word
* only the first byte of the word is being modified
*/
ret_val = hw->nvm.ops.read(hw, last_word, 1,
&eeprom_buff[last_word - first_word]);
}
/* Device's eeprom is always little-endian, word addressable */
for (i = 0; i < last_word - first_word + 1; i++)
le16_to_cpus(&eeprom_buff[i]);
memcpy(ptr, bytes, eeprom->len);
for (i = 0; i < last_word - first_word + 1; i++)
eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
ret_val = hw->nvm.ops.write(hw, first_word,
last_word - first_word + 1, eeprom_buff);
/* Update the checksum if nvm write succeeded */
if (ret_val == 0)
hw->nvm.ops.update(hw);
igb_set_fw_version(adapter);
kfree(eeprom_buff);
return ret_val;
}
static void igb_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct igb_adapter *adapter = netdev_priv(netdev);
strlcpy(drvinfo->driver, igb_driver_name, sizeof(drvinfo->driver));
strlcpy(drvinfo->version, igb_driver_version, sizeof(drvinfo->version));
/* EEPROM image version # is reported as firmware version # for
* 82575 controllers
*/
strlcpy(drvinfo->fw_version, adapter->fw_version,
sizeof(drvinfo->fw_version));
strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
sizeof(drvinfo->bus_info));
drvinfo->n_stats = IGB_STATS_LEN;
drvinfo->testinfo_len = IGB_TEST_LEN;
drvinfo->regdump_len = igb_get_regs_len(netdev);
drvinfo->eedump_len = igb_get_eeprom_len(netdev);
}
static void igb_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct igb_adapter *adapter = netdev_priv(netdev);
ring->rx_max_pending = IGB_MAX_RXD;
ring->tx_max_pending = IGB_MAX_TXD;
ring->rx_pending = adapter->rx_ring_count;
ring->tx_pending = adapter->tx_ring_count;
}
static int igb_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct igb_ring *temp_ring;
int i, err = 0;
u16 new_rx_count, new_tx_count;
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
new_rx_count = min_t(u32, ring->rx_pending, IGB_MAX_RXD);
new_rx_count = max_t(u16, new_rx_count, IGB_MIN_RXD);
new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
new_tx_count = min_t(u32, ring->tx_pending, IGB_MAX_TXD);
new_tx_count = max_t(u16, new_tx_count, IGB_MIN_TXD);
new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
if ((new_tx_count == adapter->tx_ring_count) &&
(new_rx_count == adapter->rx_ring_count)) {
/* nothing to do */
return 0;
}
while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
msleep(1);
if (!netif_running(adapter->netdev)) {
for (i = 0; i < adapter->num_tx_queues; i++)
adapter->tx_ring[i]->count = new_tx_count;
for (i = 0; i < adapter->num_rx_queues; i++)
adapter->rx_ring[i]->count = new_rx_count;
adapter->tx_ring_count = new_tx_count;
adapter->rx_ring_count = new_rx_count;
goto clear_reset;
}
if (adapter->num_tx_queues > adapter->num_rx_queues)
temp_ring = vmalloc(adapter->num_tx_queues *
sizeof(struct igb_ring));
else
temp_ring = vmalloc(adapter->num_rx_queues *
sizeof(struct igb_ring));
if (!temp_ring) {
err = -ENOMEM;
goto clear_reset;
}
igb_down(adapter);
/* We can't just free everything and then setup again,
* because the ISRs in MSI-X mode get passed pointers
* to the Tx and Rx ring structs.
*/
if (new_tx_count != adapter->tx_ring_count) {
for (i = 0; i < adapter->num_tx_queues; i++) {
memcpy(&temp_ring[i], adapter->tx_ring[i],
sizeof(struct igb_ring));
temp_ring[i].count = new_tx_count;
err = igb_setup_tx_resources(&temp_ring[i]);
if (err) {
while (i) {
i--;
igb_free_tx_resources(&temp_ring[i]);
}
goto err_setup;
}
}
for (i = 0; i < adapter->num_tx_queues; i++) {
igb_free_tx_resources(adapter->tx_ring[i]);
memcpy(adapter->tx_ring[i], &temp_ring[i],
sizeof(struct igb_ring));
}
adapter->tx_ring_count = new_tx_count;
}
if (new_rx_count != adapter->rx_ring_count) {
for (i = 0; i < adapter->num_rx_queues; i++) {
memcpy(&temp_ring[i], adapter->rx_ring[i],
sizeof(struct igb_ring));
temp_ring[i].count = new_rx_count;
err = igb_setup_rx_resources(&temp_ring[i]);
if (err) {
while (i) {
i--;
igb_free_rx_resources(&temp_ring[i]);
}
goto err_setup;
}
}
for (i = 0; i < adapter->num_rx_queues; i++) {
igb_free_rx_resources(adapter->rx_ring[i]);
memcpy(adapter->rx_ring[i], &temp_ring[i],
sizeof(struct igb_ring));
}
adapter->rx_ring_count = new_rx_count;
}
err_setup:
igb_up(adapter);
vfree(temp_ring);
clear_reset:
clear_bit(__IGB_RESETTING, &adapter->state);
return err;
}
/* ethtool register test data */
struct igb_reg_test {
u16 reg;
u16 reg_offset;
u16 array_len;
u16 test_type;
u32 mask;
u32 write;
};
/* In the hardware, registers are laid out either singly, in arrays
* spaced 0x100 bytes apart, or in contiguous tables. We assume
* most tests take place on arrays or single registers (handled
* as a single-element array) and special-case the tables.
* Table tests are always pattern tests.
*
* We also make provision for some required setup steps by specifying
* registers to be written without any read-back testing.
*/
#define PATTERN_TEST 1