Release 4.16 drivers/net/ethernet/intel/ixgb/ixgb_ethtool.c

/*******************************************************************************

  Intel PRO/10GbE Linux driver
  Copyright(c) 1999 - 2008 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:
  Linux NICS <linux.nics@intel.com>
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

*******************************************************************************/

/* ethtool support for ixgb */

#include "ixgb.h"

#include <linux/uaccess.h>


#define IXGB_ALL_RAR_ENTRIES 16




enum {NETDEV_STATS, IXGB_STATS};


struct ixgb_stats {
	
char stat_string[ETH_GSTRING_LEN];
	
int type;
	
int sizeof_stat;
	
int stat_offset;
};


#define IXGB_STAT(m)		IXGB_STATS, \
                                FIELD_SIZEOF(struct ixgb_adapter, m), \
                                offsetof(struct ixgb_adapter, m)

#define IXGB_NETDEV_STAT(m)	NETDEV_STATS, \
                                FIELD_SIZEOF(struct net_device, m), \
                                offsetof(struct net_device, m)


static struct ixgb_stats ixgb_gstrings_stats[] = {
	{"rx_packets", IXGB_NETDEV_STAT(stats.rx_packets)},
	{"tx_packets", IXGB_NETDEV_STAT(stats.tx_packets)},
	{"rx_bytes", IXGB_NETDEV_STAT(stats.rx_bytes)},
	{"tx_bytes", IXGB_NETDEV_STAT(stats.tx_bytes)},
	{"rx_errors", IXGB_NETDEV_STAT(stats.rx_errors)},
	{"tx_errors", IXGB_NETDEV_STAT(stats.tx_errors)},
	{"rx_dropped", IXGB_NETDEV_STAT(stats.rx_dropped)},
	{"tx_dropped", IXGB_NETDEV_STAT(stats.tx_dropped)},
	{"multicast", IXGB_NETDEV_STAT(stats.multicast)},
	{"collisions", IXGB_NETDEV_STAT(stats.collisions)},

/*      { "rx_length_errors", IXGB_NETDEV_STAT(stats.rx_length_errors) },       */
	{"rx_over_errors", IXGB_NETDEV_STAT(stats.rx_over_errors)},
	{"rx_crc_errors", IXGB_NETDEV_STAT(stats.rx_crc_errors)},
	{"rx_frame_errors", IXGB_NETDEV_STAT(stats.rx_frame_errors)},
	{"rx_no_buffer_count", IXGB_STAT(stats.rnbc)},
	{"rx_fifo_errors", IXGB_NETDEV_STAT(stats.rx_fifo_errors)},
	{"rx_missed_errors", IXGB_NETDEV_STAT(stats.rx_missed_errors)},
	{"tx_aborted_errors", IXGB_NETDEV_STAT(stats.tx_aborted_errors)},
	{"tx_carrier_errors", IXGB_NETDEV_STAT(stats.tx_carrier_errors)},
	{"tx_fifo_errors", IXGB_NETDEV_STAT(stats.tx_fifo_errors)},
	{"tx_heartbeat_errors", IXGB_NETDEV_STAT(stats.tx_heartbeat_errors)},
	{"tx_window_errors", IXGB_NETDEV_STAT(stats.tx_window_errors)},
	{"tx_deferred_ok", IXGB_STAT(stats.dc)},
	{"tx_timeout_count", IXGB_STAT(tx_timeout_count) },
	{"tx_restart_queue", IXGB_STAT(restart_queue) },
	{"rx_long_length_errors", IXGB_STAT(stats.roc)},
	{"rx_short_length_errors", IXGB_STAT(stats.ruc)},
	{"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
	{"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
	{"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	ARRAY_SIZE(ixgb_gstrings_stats)


static int

ixgb_get_link_ksettings(struct net_device *netdev,
			struct ethtool_link_ksettings *cmd)
{
	struct ixgb_adapter *adapter = netdev_priv(netdev);

	ethtool_link_ksettings_zero_link_mode(cmd, supported);
	ethtool_link_ksettings_add_link_mode(cmd, supported, 10000baseT_Full);
	ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);

	ethtool_link_ksettings_zero_link_mode(cmd, advertising);
	ethtool_link_ksettings_add_link_mode(cmd, advertising, 10000baseT_Full);
	ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);

	cmd->base.port = PORT_FIBRE;

	if (netif_carrier_ok(adapter->netdev)) {
		cmd->base.speed = SPEED_10000;
		cmd->base.duplex = DUPLEX_FULL;
	} else {
		cmd->base.speed = SPEED_UNKNOWN;
		cmd->base.duplex = DUPLEX_UNKNOWN;
	}

	cmd->base.autoneg = AUTONEG_DISABLE;
	return 0;
}

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Philippe Reynes
73
51.77%
1
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Ganesh Venkatesan
49
34.75%
1
16.67%
Al Viro
13
9.22%
1
16.67%
Mallikarjuna R Chilakala
3
2.13%
1
16.67%
Jiri Pirko
2
1.42%
1
16.67%
Jeff Garzik
1
0.71%
1
16.67%
Total
141
100.00%
6
100.00%



void ixgb_set_speed_duplex(struct net_device *netdev)
{
	struct ixgb_adapter *adapter = netdev_priv(netdev);
	/* 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);
}

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43
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static int

ixgb_set_link_ksettings(struct net_device *netdev,
			const struct ethtool_link_ksettings *cmd)
{
	struct ixgb_adapter *adapter = netdev_priv(netdev);
	u32 speed = cmd->base.speed;

	if (cmd->base.autoneg == AUTONEG_ENABLE ||
	    (speed + cmd->base.duplex != SPEED_10000 + DUPLEX_FULL))
		return -EINVAL;

	if (netif_running(adapter->netdev)) {
		ixgb_down(adapter, true);
		ixgb_reset(adapter);
		ixgb_up(adapter);
		ixgb_set_speed_duplex(netdev);
	} else
		ixgb_reset(adapter);

	return 0;
}

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Ganesh Venkatesan
66
62.26%
2
20.00%
Philippe Reynes
15
14.15%
1
10.00%
Al Viro
9
8.49%
1
10.00%
Mallikarjuna R Chilakala
7
6.60%
2
20.00%
David Decotigny
6
5.66%
1
10.00%
Auke-Jan H Kok
1
0.94%
1
10.00%
Jeff Garzik
1
0.94%
1
10.00%
Joe Perches
1
0.94%
1
10.00%
Total
106
100.00%
10
100.00%


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;
	}
}

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Jeff Garzik
64
64.00%
1
20.00%
Ganesh Venkatesan
25
25.00%
2
40.00%
Al Viro
8
8.00%
1
20.00%
Mallikarjuna R Chilakala
3
3.00%
1
20.00%
Total
100
100.00%
5
100.00%


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);
		ixgb_set_speed_duplex(netdev);
	} else
		ixgb_reset(adapter);

	return 0;
}

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Jeff Garzik
118
71.95%
1
14.29%
Ganesh Venkatesan
30
18.29%
1
14.29%
Al Viro
7
4.27%
1
14.29%
Mallikarjuna R Chilakala
7
4.27%
2
28.57%
Joe Perches
1
0.61%
1
14.29%
Auke-Jan H Kok
1
0.61%
1
14.29%
Total
164
100.00%
7
100.00%


static u32

ixgb_get_msglevel(struct net_device *netdev)
{
	struct ixgb_adapter *adapter = netdev_priv(netdev);
	return adapter->msg_enable;
}

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92.31%
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50.00%
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1
3.85%
1
25.00%
Jeff Garzik
1
3.85%
1
25.00%
Total
26
100.00%
4
100.00%


static void

ixgb_set_msglevel(struct net_device *netdev, u32 data)
{
	struct ixgb_adapter *adapter = netdev_priv(netdev);
	adapter->msg_enable = data;
}
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29
96.67%
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66.67%
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1
3.33%
1
33.33%
Total
30
100.00%
3
100.00%


#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(u32)
	return IXGB_REG_DUMP_LEN;
}

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50.00%
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1
5.56%
1
50.00%
Total
18
100.00%
2
100.00%


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;
	u32 *reg = p;
	u32 *reg_start = reg;
	u8 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 < IXGB_ALL_RAR_ENTRIES; 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(u32);
}

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Person
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Ganesh Venkatesan
1376
98.50%
2
22.22%
Mallikarjuna R Chilakala
14
1.00%
4
44.44%
Joe Perches
4
0.29%
1
11.11%
Al Viro
2
0.14%
1
11.11%
Auke-Jan H Kok
1
0.07%
1
11.11%
Total
1397
100.00%
9
100.00%


static int

ixgb_get_eeprom_len(struct net_device *netdev)
{
	/* return size in bytes */
	return IXGB_EEPROM_SIZE << 1;
}

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Ganesh Venkatesan
14
82.35%
2
50.00%
Al Viro
2
11.76%
1
25.00%
Jeff Garzik
1
5.88%
1
25.00%
Total
17
100.00%
4
100.00%


static int

ixgb_get_eeprom(struct net_device *netdev,
		  struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct ixgb_adapter *adapter = netdev_priv(netdev);
	struct ixgb_hw *hw = &adapter->hw;
	__le16 *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(__le16) *
			(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, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
	kfree(eeprom_buff);

geeprom_error:
	return ret_val;
}

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220
81.78%
2
33.33%
Al Viro
44
16.36%
2
33.33%
Mallikarjuna R Chilakala
3
1.12%
1
16.67%
Joe Perches
2
0.74%
1
16.67%
Total
269
100.00%
6
100.00%


static int

ixgb_set_eeprom(struct net_device *netdev,
		  struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct ixgb_adapter *adapter = netdev_priv(netdev);
	struct ixgb_hw *hw = &adapter->hw;
	u16 *eeprom_buff;
	void *ptr;
	int max_len, first_word, last_word;
	u16 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Ganesh Venkatesan
293
92.72%
2
40.00%
Al Viro
17
5.38%
1
20.00%
Joe Perches
3
0.95%
1
20.00%
Mallikarjuna R Chilakala
3
0.95%
1
20.00%
Total
316
100.00%
5
100.00%


static void

ixgb_get_drvinfo(struct net_device *netdev,
		   struct ethtool_drvinfo *drvinfo)
{
	struct ixgb_adapter *adapter = netdev_priv(netdev);

	strlcpy(drvinfo->driver,  ixgb_driver_name,
		sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, ixgb_driver_version,
		sizeof(drvinfo->version));
	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
		sizeof(drvinfo->bus_info));
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Ganesh Venkatesan
38
48.10%
1
20.00%
Rick Jones
21
26.58%
1
20.00%
Jeff Garzik
10
12.66%
1
20.00%
Al Viro
7
8.86%
1
20.00%
Mallikarjuna R Chilakala
3
3.80%
1
20.00%
Total
79
100.00%
5
100.00%


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_pending = rxdr->count;
	ring->tx_pending = txdr->count;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Ganesh Venkatesan
50
67.57%
1
25.00%
Al Viro
19
25.68%
1
25.00%
Mallikarjuna R Chilakala
3
4.05%
1
25.00%
Jeff Garzik
2
2.70%
1
25.00%
Total
74
100.00%
4
100.00%


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,(u32)MIN_RXD);
	rxdr->count = min(rxdr->count,(u32)MAX_RXD);
	rxdr->count = ALIGN(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);

	txdr->count = max(ring->tx_pending,(u32)MIN_TXD);
	txdr->count = min(txdr->count,(u32)MAX_TXD);
	txdr->count = ALIGN(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;
		ixgb_set_speed_duplex(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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Ganesh Venkatesan
298
89.49%
1
11.11%
Jeff Garzik
11
3.30%
1
11.11%
Milind Arun Choudhary
10
3.00%
1
11.11%
Mallikarjuna R Chilakala
7
2.10%
2
22.22%
Joe Perches
5
1.50%
2
22.22%
Auke-Jan H Kok
1
0.30%
1
11.11%
Al Viro
1
0.30%
1
11.11%
Total
333
100.00%
9
100.00%


static int

ixgb_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
{
	struct ixgb_adapter *adapter = netdev_priv(netdev);

	switch (state) {
	case ETHTOOL_ID_ACTIVE:
		return 2;

	case ETHTOOL_ID_ON:
		ixgb_led_on(&adapter->hw);
		break;

	case ETHTOOL_ID_OFF:
	case ETHTOOL_ID_INACTIVE:
		ixgb_led_off(&adapter->hw);
	}

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jeff Kirsher
25
37.88%
1
20.00%
Ganesh Venkatesan
17
25.76%
1
20.00%
Al Viro
12
18.18%
1
20.00%
Jeff Garzik
9
13.64%
1
20.00%
Mallikarjuna R Chilakala
3
4.55%
1
20.00%
Total
66
100.00%
5
100.00%


static int

ixgb_get_sset_count(struct net_device *netdev, int sset)
{
	switch (sset) {
	case ETH_SS_STATS:
		return IXGB_STATS_LEN;
	default:
		return -EOPNOTSUPP;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jeff Garzik
21
67.74%
2
66.67%
Ganesh Venkatesan
10
32.26%
1
33.33%
Total
31
100.00%
3
100.00%


static void

ixgb_get_ethtool_stats(struct net_device *netdev,
		struct ethtool_stats *stats, u64 *data)
{
	struct ixgb_adapter *adapter = netdev_priv(netdev);
	int i;
	char *p = NULL;

	ixgb_update_stats(adapter);
	for (i = 0; i < IXGB_STATS_LEN; i++) {
		switch (ixgb_gstrings_stats[i].type) {
		case NETDEV_STATS:
			p = (char *) netdev +
					ixgb_gstrings_stats[i].stat_offset;
			break;
		case IXGB_STATS:
			p = (char *) adapter +
					ixgb_gstrings_stats[i].stat_offset;
			break;
		}

		data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Ganesh Venkatesan
84
59.57%
1
16.67%
Ajit Khaparde
41
29.08%
1
16.67%
Al Viro
5
3.55%
1
16.67%
Jeff Garzik
4
2.84%
1
16.67%
Joe Perches
4
2.84%
1
16.67%
Mallikarjuna R Chilakala
3
2.13%
1
16.67%
Total
141
100.00%
6
100.00%


static void

ixgb_get_strings(struct net_device *netdev, u32 stringset, u8 *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;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Ganesh Venkatesan
50
78.12%
1
25.00%
Al Viro
7
10.94%
1
25.00%
Jeff Garzik
5
7.81%
1
25.00%
Joe Perches
2
3.12%
1
25.00%
Total
64
100.00%
4
100.00%


static const struct ethtool_ops ixgb_ethtool_ops = {
	.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_msglevel = ixgb_get_msglevel,
	.set_msglevel = ixgb_set_msglevel,
	.get_strings = ixgb_get_strings,
	.set_phys_id = ixgb_set_phys_id,
	.get_sset_count = ixgb_get_sset_count,
	.get_ethtool_stats = ixgb_get_ethtool_stats,
	.get_link_ksettings = ixgb_get_link_ksettings,
	.set_link_ksettings = ixgb_set_link_ksettings,
};



void ixgb_set_ethtool_ops(struct net_device *netdev)
{
	netdev->ethtool_ops = &ixgb_ethtool_ops;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Ganesh Venkatesan
13
76.47%
1
33.33%
Wilfried Klaebe
3
17.65%
1
33.33%
Jeff Garzik
1
5.88%
1
33.33%
Total
17
100.00%
3
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Ganesh Venkatesan
2701
68.66%
2
5.71%
Jeff Garzik
541
13.75%
4
11.43%
Al Viro
197
5.01%
2
5.71%
Auke-Jan H Kok
131
3.33%
6
17.14%
Ajit Khaparde
100
2.54%
2
5.71%
Philippe Reynes
98
2.49%
1
2.86%
Mallikarjuna R Chilakala
59
1.50%
5
14.29%
Jeff Kirsher
27
0.69%
1
2.86%
Joe Perches
25
0.64%
2
5.71%
Rick Jones
21
0.53%
1
2.86%
Jesse Brandeburg
10
0.25%
2
5.71%
Milind Arun Choudhary
10
0.25%
1
2.86%
David Decotigny
6
0.15%
1
2.86%
Wilfried Klaebe
3
0.08%
1
2.86%
Jiri Pirko
2
0.05%
1
2.86%
Cheng Renquan
1
0.03%
1
2.86%
Adrian Bunk
1
0.03%
1
2.86%
Linus Torvalds
1
0.03%
1
2.86%
Total
3934
100.00%
35
100.00%
Directory: drivers/net/ethernet/intel/ixgb

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