ixgb_ethtool.c
/*******************************************************************************
Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
This program is distributed in the hope that 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., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Contact Information:
Linux NICS <linux.nics@intel.com>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
/* ethtool support for ixgb */
#include "ixgb.h"
#include <asm/uaccess.h>
extern char ixgb_driver_name[];
extern char ixgb_driver_version[];
extern int ixgb_up(struct ixgb_adapter *adapter);
extern void ixgb_down(struct ixgb_adapter *adapter, boolean_t kill_watchdog);
extern void ixgb_reset(struct ixgb_adapter *adapter);
extern int ixgb_setup_rx_resources(struct ixgb_adapter *adapter);
extern int ixgb_setup_tx_resources(struct ixgb_adapter *adapter);
extern void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
extern void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
extern void ixgb_update_stats(struct ixgb_adapter *adapter);
struct ixgb_stats {
char stat_string[ETH_GSTRING_LEN];
int sizeof_stat;
int stat_offset;
};
#define IXGB_STAT(m) sizeof(((struct ixgb_adapter *)0)->m), \
offsetof(struct ixgb_adapter, m)
static struct ixgb_stats ixgb_gstrings_stats[] = {
{"rx_packets", IXGB_STAT(net_stats.rx_packets)},
{"tx_packets", IXGB_STAT(net_stats.tx_packets)},
{"rx_bytes", IXGB_STAT(net_stats.rx_bytes)},
{"tx_bytes", IXGB_STAT(net_stats.tx_bytes)},
{"rx_errors", IXGB_STAT(net_stats.rx_errors)},
{"tx_errors", IXGB_STAT(net_stats.tx_errors)},
{"rx_dropped", IXGB_STAT(net_stats.rx_dropped)},
{"tx_dropped", IXGB_STAT(net_stats.tx_dropped)},
{"multicast", IXGB_STAT(net_stats.multicast)},
{"collisions", IXGB_STAT(net_stats.collisions)},
/* { "rx_length_errors", IXGB_STAT(net_stats.rx_length_errors) }, */
{"rx_over_errors", IXGB_STAT(net_stats.rx_over_errors)},
{"rx_crc_errors", IXGB_STAT(net_stats.rx_crc_errors)},
{"rx_frame_errors", IXGB_STAT(net_stats.rx_frame_errors)},
{"rx_fifo_errors", IXGB_STAT(net_stats.rx_fifo_errors)},
{"rx_missed_errors", IXGB_STAT(net_stats.rx_missed_errors)},
{"tx_aborted_errors", IXGB_STAT(net_stats.tx_aborted_errors)},
{"tx_carrier_errors", IXGB_STAT(net_stats.tx_carrier_errors)},
{"tx_fifo_errors", IXGB_STAT(net_stats.tx_fifo_errors)},
{"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)},
{"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)},
{"tx_deferred_ok", IXGB_STAT(stats.dc)},
{"rx_long_length_errors", IXGB_STAT(stats.roc)},
{"rx_short_length_errors", IXGB_STAT(stats.ruc)},
#ifdef NETIF_F_TSO
{"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
{"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
#endif
{"rx_flow_control_xon", IXGB_STAT(stats.xonrxc)},
{"rx_flow_control_xoff", IXGB_STAT(stats.xoffrxc)},
{"tx_flow_control_xon", IXGB_STAT(stats.xontxc)},
{"tx_flow_control_xoff", IXGB_STAT(stats.xofftxc)},
{"rx_csum_offload_good", IXGB_STAT(hw_csum_rx_good)},
{"rx_csum_offload_errors", IXGB_STAT(hw_csum_rx_error)},
{"tx_csum_offload_good", IXGB_STAT(hw_csum_tx_good)},
{"tx_csum_offload_errors", IXGB_STAT(hw_csum_tx_error)}
};
#define IXGB_STATS_LEN \
sizeof(ixgb_gstrings_stats) / sizeof(struct ixgb_stats)
static int
ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
ecmd->port = PORT_FIBRE;
ecmd->transceiver = XCVR_EXTERNAL;
if(netif_carrier_ok(adapter->netdev)) {
ecmd->speed = SPEED_10000;
ecmd->duplex = DUPLEX_FULL;
} else {
ecmd->speed = -1;
ecmd->duplex = -1;
}
ecmd->autoneg = AUTONEG_DISABLE;
return 0;
}
static int
ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
if(ecmd->autoneg == AUTONEG_ENABLE ||
ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
return -EINVAL;
if(netif_running(adapter->netdev)) {
ixgb_down(adapter, TRUE);
ixgb_reset(adapter);
ixgb_up(adapter);
/* be optimistic about our link, since we were up before */
adapter->link_speed = 10000;
adapter->link_duplex = FULL_DUPLEX;
netif_carrier_on(netdev);
netif_wake_queue(netdev);
} else
ixgb_reset(adapter);
return 0;
}
static void
ixgb_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_hw *hw = &adapter->hw;
pause->autoneg = AUTONEG_DISABLE;
if(hw->fc.type == ixgb_fc_rx_pause)
pause->rx_pause = 1;
else if(hw->fc.type == ixgb_fc_tx_pause)
pause->tx_pause = 1;
else if(hw->fc.type == ixgb_fc_full) {
pause->rx_pause = 1;
pause->tx_pause = 1;
}
}
static int
ixgb_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_hw *hw = &adapter->hw;
if(pause->autoneg == AUTONEG_ENABLE)
return -EINVAL;
if(pause->rx_pause && pause->tx_pause)
hw->fc.type = ixgb_fc_full;
else if(pause->rx_pause && !pause->tx_pause)
hw->fc.type = ixgb_fc_rx_pause;
else if(!pause->rx_pause && pause->tx_pause)
hw->fc.type = ixgb_fc_tx_pause;
else if(!pause->rx_pause && !pause->tx_pause)
hw->fc.type = ixgb_fc_none;
if(netif_running(adapter->netdev)) {
ixgb_down(adapter, TRUE);
ixgb_up(adapter);
/* be optimistic about our link, since we were up before */
adapter->link_speed = 10000;
adapter->link_duplex = FULL_DUPLEX;
netif_carrier_on(netdev);
netif_wake_queue(netdev);
} else
ixgb_reset(adapter);
return 0;
}
static uint32_t
ixgb_get_rx_csum(struct net_device *netdev)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
return adapter->rx_csum;
}
static int
ixgb_set_rx_csum(struct net_device *netdev, uint32_t data)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
adapter->rx_csum = data;
if(netif_running(netdev)) {
ixgb_down(adapter,TRUE);
ixgb_up(adapter);
/* be optimistic about our link, since we were up before */
adapter->link_speed = 10000;
adapter->link_duplex = FULL_DUPLEX;
netif_carrier_on(netdev);
netif_wake_queue(netdev);
} else
ixgb_reset(adapter);
return 0;
}
static uint32_t
ixgb_get_tx_csum(struct net_device *netdev)
{
return (netdev->features & NETIF_F_HW_CSUM) != 0;
}
static int
ixgb_set_tx_csum(struct net_device *netdev, uint32_t data)
{
if (data)
netdev->features |= NETIF_F_HW_CSUM;
else
netdev->features &= ~NETIF_F_HW_CSUM;
return 0;
}
#ifdef NETIF_F_TSO
static int
ixgb_set_tso(struct net_device *netdev, uint32_t data)
{
if(data)
netdev->features |= NETIF_F_TSO;
else
netdev->features &= ~NETIF_F_TSO;
return 0;
}
#endif /* NETIF_F_TSO */
#define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
static int
ixgb_get_regs_len(struct net_device *netdev)
{
#define IXGB_REG_DUMP_LEN 136*sizeof(uint32_t)
return IXGB_REG_DUMP_LEN;
}
static void
ixgb_get_regs(struct net_device *netdev,
struct ethtool_regs *regs, void *p)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_hw *hw = &adapter->hw;
uint32_t *reg = p;
uint32_t *reg_start = reg;
uint8_t i;
/* the 1 (one) below indicates an attempt at versioning, if the
* interface in ethtool or the driver changes, this 1 should be
* incremented */
regs->version = (1<<24) | hw->revision_id << 16 | hw->device_id;
/* General Registers */
*reg++ = IXGB_READ_REG(hw, CTRL0); /* 0 */
*reg++ = IXGB_READ_REG(hw, CTRL1); /* 1 */
*reg++ = IXGB_READ_REG(hw, STATUS); /* 2 */
*reg++ = IXGB_READ_REG(hw, EECD); /* 3 */
*reg++ = IXGB_READ_REG(hw, MFS); /* 4 */
/* Interrupt */
*reg++ = IXGB_READ_REG(hw, ICR); /* 5 */
*reg++ = IXGB_READ_REG(hw, ICS); /* 6 */
*reg++ = IXGB_READ_REG(hw, IMS); /* 7 */
*reg++ = IXGB_READ_REG(hw, IMC); /* 8 */
/* Receive */
*reg++ = IXGB_READ_REG(hw, RCTL); /* 9 */
*reg++ = IXGB_READ_REG(hw, FCRTL); /* 10 */
*reg++ = IXGB_READ_REG(hw, FCRTH); /* 11 */
*reg++ = IXGB_READ_REG(hw, RDBAL); /* 12 */
*reg++ = IXGB_READ_REG(hw, RDBAH); /* 13 */
*reg++ = IXGB_READ_REG(hw, RDLEN); /* 14 */
*reg++ = IXGB_READ_REG(hw, RDH); /* 15 */
*reg++ = IXGB_READ_REG(hw, RDT); /* 16 */
*reg++ = IXGB_READ_REG(hw, RDTR); /* 17 */
*reg++ = IXGB_READ_REG(hw, RXDCTL); /* 18 */
*reg++ = IXGB_READ_REG(hw, RAIDC); /* 19 */
*reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
/* there are 16 RAR entries in hardware, we only use 3 */
for(i = 0; i < 16; i++) {
*reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
*reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
}
/* Transmit */
*reg++ = IXGB_READ_REG(hw, TCTL); /* 53 */
*reg++ = IXGB_READ_REG(hw, TDBAL); /* 54 */
*reg++ = IXGB_READ_REG(hw, TDBAH); /* 55 */
*reg++ = IXGB_READ_REG(hw, TDLEN); /* 56 */
*reg++ = IXGB_READ_REG(hw, TDH); /* 57 */
*reg++ = IXGB_READ_REG(hw, TDT); /* 58 */
*reg++ = IXGB_READ_REG(hw, TIDV); /* 59 */
*reg++ = IXGB_READ_REG(hw, TXDCTL); /* 60 */
*reg++ = IXGB_READ_REG(hw, TSPMT); /* 61 */
*reg++ = IXGB_READ_REG(hw, PAP); /* 62 */
/* Physical */
*reg++ = IXGB_READ_REG(hw, PCSC1); /* 63 */
*reg++ = IXGB_READ_REG(hw, PCSC2); /* 64 */
*reg++ = IXGB_READ_REG(hw, PCSS1); /* 65 */
*reg++ = IXGB_READ_REG(hw, PCSS2); /* 66 */
*reg++ = IXGB_READ_REG(hw, XPCSS); /* 67 */
*reg++ = IXGB_READ_REG(hw, UCCR); /* 68 */
*reg++ = IXGB_READ_REG(hw, XPCSTC); /* 69 */
*reg++ = IXGB_READ_REG(hw, MACA); /* 70 */
*reg++ = IXGB_READ_REG(hw, APAE); /* 71 */
*reg++ = IXGB_READ_REG(hw, ARD); /* 72 */
*reg++ = IXGB_READ_REG(hw, AIS); /* 73 */
*reg++ = IXGB_READ_REG(hw, MSCA); /* 74 */
*reg++ = IXGB_READ_REG(hw, MSRWD); /* 75 */
/* Statistics */
*reg++ = IXGB_GET_STAT(adapter, tprl); /* 76 */
*reg++ = IXGB_GET_STAT(adapter, tprh); /* 77 */
*reg++ = IXGB_GET_STAT(adapter, gprcl); /* 78 */
*reg++ = IXGB_GET_STAT(adapter, gprch); /* 79 */
*reg++ = IXGB_GET_STAT(adapter, bprcl); /* 80 */
*reg++ = IXGB_GET_STAT(adapter, bprch); /* 81 */
*reg++ = IXGB_GET_STAT(adapter, mprcl); /* 82 */
*reg++ = IXGB_GET_STAT(adapter, mprch); /* 83 */
*reg++ = IXGB_GET_STAT(adapter, uprcl); /* 84 */
*reg++ = IXGB_GET_STAT(adapter, uprch); /* 85 */
*reg++ = IXGB_GET_STAT(adapter, vprcl); /* 86 */
*reg++ = IXGB_GET_STAT(adapter, vprch); /* 87 */
*reg++ = IXGB_GET_STAT(adapter, jprcl); /* 88 */
*reg++ = IXGB_GET_STAT(adapter, jprch); /* 89 */
*reg++ = IXGB_GET_STAT(adapter, gorcl); /* 90 */
*reg++ = IXGB_GET_STAT(adapter, gorch); /* 91 */
*reg++ = IXGB_GET_STAT(adapter, torl); /* 92 */
*reg++ = IXGB_GET_STAT(adapter, torh); /* 93 */
*reg++ = IXGB_GET_STAT(adapter, rnbc); /* 94 */
*reg++ = IXGB_GET_STAT(adapter, ruc); /* 95 */
*reg++ = IXGB_GET_STAT(adapter, roc); /* 96 */
*reg++ = IXGB_GET_STAT(adapter, rlec); /* 97 */
*reg++ = IXGB_GET_STAT(adapter, crcerrs); /* 98 */
*reg++ = IXGB_GET_STAT(adapter, icbc); /* 99 */
*reg++ = IXGB_GET_STAT(adapter, ecbc); /* 100 */
*reg++ = IXGB_GET_STAT(adapter, mpc); /* 101 */
*reg++ = IXGB_GET_STAT(adapter, tptl); /* 102 */
*reg++ = IXGB_GET_STAT(adapter, tpth); /* 103 */
*reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
*reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
*reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
*reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
*reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
*reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
*reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
*reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
*reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
*reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
*reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
*reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
*reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
*reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
*reg++ = IXGB_GET_STAT(adapter, totl); /* 118 */
*reg++ = IXGB_GET_STAT(adapter, toth); /* 119 */
*reg++ = IXGB_GET_STAT(adapter, dc); /* 120 */
*reg++ = IXGB_GET_STAT(adapter, plt64c); /* 121 */
*reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
*reg++ = IXGB_GET_STAT(adapter, tsctfc); /* 123 */
*reg++ = IXGB_GET_STAT(adapter, ibic); /* 124 */
*reg++ = IXGB_GET_STAT(adapter, rfc); /* 125 */
*reg++ = IXGB_GET_STAT(adapter, lfc); /* 126 */
*reg++ = IXGB_GET_STAT(adapter, pfrc); /* 127 */
*reg++ = IXGB_GET_STAT(adapter, pftc); /* 128 */
*reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
*reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
*reg++ = IXGB_GET_STAT(adapter, xonrxc); /* 131 */
*reg++ = IXGB_GET_STAT(adapter, xontxc); /* 132 */
*reg++ = IXGB_GET_STAT(adapter, xoffrxc); /* 133 */
*reg++ = IXGB_GET_STAT(adapter, xofftxc); /* 134 */
*reg++ = IXGB_GET_STAT(adapter, rjc); /* 135 */
regs->len = (reg - reg_start) * sizeof(uint32_t);
}
static int
ixgb_get_eeprom_len(struct net_device *netdev)
{
/* return size in bytes */
return (IXGB_EEPROM_SIZE << 1);
}
static int
ixgb_get_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, uint8_t *bytes)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_hw *hw = &adapter->hw;
uint16_t *eeprom_buff;
int i, max_len, first_word, last_word;
int ret_val = 0;
if(eeprom->len == 0) {
ret_val = -EINVAL;
goto geeprom_error;
}
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
max_len = ixgb_get_eeprom_len(netdev);
if(eeprom->offset > eeprom->offset + eeprom->len) {
ret_val = -EINVAL;
goto geeprom_error;
}
if((eeprom->offset + eeprom->len) > max_len)
eeprom->len = (max_len - eeprom->offset);
first_word = eeprom->offset >> 1;
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
eeprom_buff = kmalloc(sizeof(uint16_t) *
(last_word - first_word + 1), GFP_KERNEL);
if(!eeprom_buff)
return -ENOMEM;
/* note the eeprom was good because the driver loaded */
for(i = 0; i <= (last_word - first_word); i++) {
eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
}
memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
eeprom->len);
kfree(eeprom_buff);
geeprom_error:
return ret_val;
}
static int
ixgb_set_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, uint8_t *bytes)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_hw *hw = &adapter->hw;
uint16_t *eeprom_buff;
void *ptr;
int max_len, first_word, last_word;
uint16_t i;
if(eeprom->len == 0)
return -EINVAL;
if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
return -EFAULT;
max_len = ixgb_get_eeprom_len(netdev);
if(eeprom->offset > eeprom->offset + eeprom->len)
return -EINVAL;
if((eeprom->offset + eeprom->len) > max_len)
eeprom->len = (max_len - eeprom->offset);
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 */
eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
ptr++;
}
if((eeprom->offset + eeprom->len) & 1) {
/* need read/modify/write of last changed EEPROM word */
/* only the first byte of the word is being modified */
eeprom_buff[last_word - first_word]
= ixgb_read_eeprom(hw, last_word);
}
memcpy(ptr, bytes, eeprom->len);
for(i = 0; i <= (last_word - first_word); i++)
ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
/* Update the checksum over the first part of the EEPROM if needed */
if(first_word <= EEPROM_CHECKSUM_REG)
ixgb_update_eeprom_checksum(hw);
kfree(eeprom_buff);
return 0;
}
static void
ixgb_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
strncpy(drvinfo->driver, ixgb_driver_name, 32);
strncpy(drvinfo->version, ixgb_driver_version, 32);
strncpy(drvinfo->fw_version, "N/A", 32);
strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
drvinfo->n_stats = IXGB_STATS_LEN;
drvinfo->regdump_len = ixgb_get_regs_len(netdev);
drvinfo->eedump_len = ixgb_get_eeprom_len(netdev);
}
static void
ixgb_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_desc_ring *txdr = &adapter->tx_ring;
struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
ring->rx_max_pending = MAX_RXD;
ring->tx_max_pending = MAX_TXD;
ring->rx_mini_max_pending = 0;
ring->rx_jumbo_max_pending = 0;
ring->rx_pending = rxdr->count;
ring->tx_pending = txdr->count;
ring->rx_mini_pending = 0;
ring->rx_jumbo_pending = 0;
}
static int
ixgb_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
struct ixgb_desc_ring *txdr = &adapter->tx_ring;
struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
int err;
tx_old = adapter->tx_ring;
rx_old = adapter->rx_ring;
if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
if(netif_running(adapter->netdev))
ixgb_down(adapter,TRUE);
rxdr->count = max(ring->rx_pending,(uint32_t)MIN_RXD);
rxdr->count = min(rxdr->count,(uint32_t)MAX_RXD);
IXGB_ROUNDUP(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
txdr->count = max(ring->tx_pending,(uint32_t)MIN_TXD);
txdr->count = min(txdr->count,(uint32_t)MAX_TXD);
IXGB_ROUNDUP(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
if(netif_running(adapter->netdev)) {
/* Try to get new resources before deleting old */
if((err = ixgb_setup_rx_resources(adapter)))
goto err_setup_rx;
if((err = ixgb_setup_tx_resources(adapter)))
goto err_setup_tx;
/* save the new, restore the old in order to free it,
* then restore the new back again */
rx_new = adapter->rx_ring;
tx_new = adapter->tx_ring;
adapter->rx_ring = rx_old;
adapter->tx_ring = tx_old;
ixgb_free_rx_resources(adapter);
ixgb_free_tx_resources(adapter);
adapter->rx_ring = rx_new;
adapter->tx_ring = tx_new;
if((err = ixgb_up(adapter)))
return err;
/* be optimistic about our link, since we were up before */
adapter->link_speed = 10000;
adapter->link_duplex = FULL_DUPLEX;
netif_carrier_on(netdev);
netif_wake_queue(netdev);
}
return 0;
err_setup_tx:
ixgb_free_rx_resources(adapter);
err_setup_rx:
adapter->rx_ring = rx_old;
adapter->tx_ring = tx_old;
ixgb_up(adapter);
return err;
}
/* toggle LED 4 times per second = 2 "blinks" per second */
#define IXGB_ID_INTERVAL (HZ/4)
/* bit defines for adapter->led_status */
#define IXGB_LED_ON 0
static void
ixgb_led_blink_callback(unsigned long data)
{
struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
if(test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
ixgb_led_off(&adapter->hw);
else
ixgb_led_on(&adapter->hw);
mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
}
static int
ixgb_phys_id(struct net_device *netdev, uint32_t data)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
if(!adapter->blink_timer.function) {
init_timer(&adapter->blink_timer);
adapter->blink_timer.function = ixgb_led_blink_callback;
adapter->blink_timer.data = (unsigned long)adapter;
}
mod_timer(&adapter->blink_timer, jiffies);
set_current_state(TASK_INTERRUPTIBLE);
if(data)
schedule_timeout(data * HZ);
else
schedule_timeout(MAX_SCHEDULE_TIMEOUT);
del_timer_sync(&adapter->blink_timer);
ixgb_led_off(&adapter->hw);
clear_bit(IXGB_LED_ON, &adapter->led_status);
return 0;
}
static int
ixgb_get_stats_count(struct net_device *netdev)
{
return IXGB_STATS_LEN;
}
static void
ixgb_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, uint64_t *data)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
int i;
ixgb_update_stats(adapter);
for(i = 0; i < IXGB_STATS_LEN; i++) {
char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
}
}
static void
ixgb_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
{
int i;
switch(stringset) {
case ETH_SS_STATS:
for(i=0; i < IXGB_STATS_LEN; i++) {
memcpy(data + i * ETH_GSTRING_LEN,
ixgb_gstrings_stats[i].stat_string,
ETH_GSTRING_LEN);
}
break;
}
}
struct ethtool_ops ixgb_ethtool_ops = {
.get_settings = ixgb_get_settings,
.set_settings = ixgb_set_settings,
.get_drvinfo = ixgb_get_drvinfo,
.get_regs_len = ixgb_get_regs_len,
.get_regs = ixgb_get_regs,
.get_link = ethtool_op_get_link,
.get_eeprom_len = ixgb_get_eeprom_len,
.get_eeprom = ixgb_get_eeprom,
.set_eeprom = ixgb_set_eeprom,
.get_ringparam = ixgb_get_ringparam,
.set_ringparam = ixgb_set_ringparam,
.get_pauseparam = ixgb_get_pauseparam,
.set_pauseparam = ixgb_set_pauseparam,
.get_rx_csum = ixgb_get_rx_csum,
.set_rx_csum = ixgb_set_rx_csum,
.get_tx_csum = ixgb_get_tx_csum,
.set_tx_csum = ixgb_set_tx_csum,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
#ifdef NETIF_F_TSO
.get_tso = ethtool_op_get_tso,
.set_tso = ixgb_set_tso,
#endif
.get_strings = ixgb_get_strings,
.phys_id = ixgb_phys_id,
.get_stats_count = ixgb_get_stats_count,
.get_ethtool_stats = ixgb_get_ethtool_stats,
};
void ixgb_set_ethtool_ops(struct net_device *netdev)
{
SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops);
}
