Release 4.7 drivers/net/ethernet/intel/e1000/e1000_ethtool.c

/*******************************************************************************
 * Intel PRO/1000 Linux driver
 * Copyright(c) 1999 - 2006 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.
 *
 * 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 e1000 */

#include "e1000.h"
#include <linux/jiffies.h>
#include <linux/uaccess.h>



enum {NETDEV_STATS, E1000_STATS};


struct e1000_stats {
	
char stat_string[ETH_GSTRING_LEN];
	
int type;
	
int sizeof_stat;
	
int stat_offset;
};


#define E1000_STAT(m)		E1000_STATS, \
                                sizeof(((struct e1000_adapter *)0)->m), \
                                offsetof(struct e1000_adapter, m)

#define E1000_NETDEV_STAT(m)	NETDEV_STATS, \
                                sizeof(((struct net_device *)0)->m), \
                                offsetof(struct net_device, m)


static const struct e1000_stats e1000_gstrings_stats[] = {
	{ "rx_packets", E1000_STAT(stats.gprc) },
	{ "tx_packets", E1000_STAT(stats.gptc) },
	{ "rx_bytes", E1000_STAT(stats.gorcl) },
	{ "tx_bytes", E1000_STAT(stats.gotcl) },
	{ "rx_broadcast", E1000_STAT(stats.bprc) },
	{ "tx_broadcast", E1000_STAT(stats.bptc) },
	{ "rx_multicast", E1000_STAT(stats.mprc) },
	{ "tx_multicast", E1000_STAT(stats.mptc) },
	{ "rx_errors", E1000_STAT(stats.rxerrc) },
	{ "tx_errors", E1000_STAT(stats.txerrc) },
	{ "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
	{ "multicast", E1000_STAT(stats.mprc) },
	{ "collisions", E1000_STAT(stats.colc) },
	{ "rx_length_errors", E1000_STAT(stats.rlerrc) },
	{ "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
	{ "rx_crc_errors", E1000_STAT(stats.crcerrs) },
	{ "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
	{ "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
	{ "rx_missed_errors", E1000_STAT(stats.mpc) },
	{ "tx_aborted_errors", E1000_STAT(stats.ecol) },
	{ "tx_carrier_errors", E1000_STAT(stats.tncrs) },
	{ "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
	{ "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
	{ "tx_window_errors", E1000_STAT(stats.latecol) },
	{ "tx_abort_late_coll", E1000_STAT(stats.latecol) },
	{ "tx_deferred_ok", E1000_STAT(stats.dc) },
	{ "tx_single_coll_ok", E1000_STAT(stats.scc) },
	{ "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
	{ "tx_timeout_count", E1000_STAT(tx_timeout_count) },
	{ "tx_restart_queue", E1000_STAT(restart_queue) },
	{ "rx_long_length_errors", E1000_STAT(stats.roc) },
	{ "rx_short_length_errors", E1000_STAT(stats.ruc) },
	{ "rx_align_errors", E1000_STAT(stats.algnerrc) },
	{ "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
	{ "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
	{ "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
	{ "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
	{ "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
	{ "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
	{ "rx_long_byte_count", E1000_STAT(stats.gorcl) },
	{ "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
	{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
	{ "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
	{ "tx_smbus", E1000_STAT(stats.mgptc) },
	{ "rx_smbus", E1000_STAT(stats.mgprc) },
	{ "dropped_smbus", E1000_STAT(stats.mgpdc) },
};


#define E1000_QUEUE_STATS_LEN 0

#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)

#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)

static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)", "Eeprom test    (offline)",
	"Interrupt test (offline)", "Loopback test  (offline)",
	"Link test   (on/offline)"
};


#define E1000_TEST_LEN	ARRAY_SIZE(e1000_gstrings_test)



static int e1000_get_settings(struct net_device *netdev,
			      struct ethtool_cmd *ecmd)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	if (hw->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);
		ecmd->advertising = ADVERTISED_TP;

		if (hw->autoneg == 1) {
			ecmd->advertising |= ADVERTISED_Autoneg;
			/* the e1000 autoneg seems to match ethtool nicely */
			ecmd->advertising |= hw->autoneg_advertised;
		}

		ecmd->port = PORT_TP;
		ecmd->phy_address = hw->phy_addr;

		if (hw->mac_type == e1000_82543)
			ecmd->transceiver = XCVR_EXTERNAL;
		else
			ecmd->transceiver = XCVR_INTERNAL;

	} else {
		ecmd->supported   = (SUPPORTED_1000baseT_Full |
				     SUPPORTED_FIBRE |
				     SUPPORTED_Autoneg);

		ecmd->advertising = (ADVERTISED_1000baseT_Full |
				     ADVERTISED_FIBRE |
				     ADVERTISED_Autoneg);

		ecmd->port = PORT_FIBRE;

		if (hw->mac_type >= e1000_82545)
			ecmd->transceiver = XCVR_INTERNAL;
		else
			ecmd->transceiver = XCVR_EXTERNAL;
	}

	if (er32(STATUS) & E1000_STATUS_LU) {
		e1000_get_speed_and_duplex(hw, &adapter->link_speed,
					   &adapter->link_duplex);
		ethtool_cmd_speed_set(ecmd, adapter->link_speed);

		/* unfortunately FULL_DUPLEX != DUPLEX_FULL
                 * and HALF_DUPLEX != DUPLEX_HALF
                 */
		if (adapter->link_duplex == FULL_DUPLEX)
			ecmd->duplex = DUPLEX_FULL;
		else
			ecmd->duplex = DUPLEX_HALF;
	} else {
		ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
		ecmd->duplex = DUPLEX_UNKNOWN;
	}

	ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
			 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;

	/* MDI-X => 1; MDI => 0 */
	if ((hw->media_type == e1000_media_type_copper) &&
	    netif_carrier_ok(netdev))
		ecmd->eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
				     ETH_TP_MDI_X : ETH_TP_MDI);
	else
		ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;

	if (hw->mdix == AUTO_ALL_MODES)
		ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
	else
		ecmd->eth_tp_mdix_ctrl = hw->mdix;
	return 0;
}

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jeff garzik
jeff garzik
215
61.78%
1
7.14%
jesse brandeburg
jesse brandeburg
64
18.39%
1
7.14%
ganesh venkatesan
ganesh venkatesan
23
6.61%
2
14.29%
scott feldman
scott feldman
15
4.31%
1
7.14%
christopher goldfarb
christopher goldfarb
10
2.87%
2
14.29%
david decotigny
david decotigny
8
2.30%
1
7.14%
mallikarjuna r chilakala
mallikarjuna r chilakala
6
1.72%
2
14.29%
auke kok
auke kok
3
0.86%
1
7.14%
jiri pirko
jiri pirko
2
0.57%
1
7.14%
jeff kirsher
jeff kirsher
1
0.29%
1
7.14%
joe perches
joe perches
1
0.29%
1
7.14%
Total
348
100.00%
14
100.00%



static int e1000_set_settings(struct net_device *netdev,
			      struct ethtool_cmd *ecmd)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	/* 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->media_type != e1000_media_type_copper)
			return -EOPNOTSUPP;

		if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
		    (ecmd->autoneg != AUTONEG_ENABLE)) {
			e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
			return -EINVAL;
		}
	}

	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
		msleep(1);

	if (ecmd->autoneg == AUTONEG_ENABLE) {
		hw->autoneg = 1;
		if (hw->media_type == e1000_media_type_fiber)
			hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
				     ADVERTISED_FIBRE |
				     ADVERTISED_Autoneg;
		else
			hw->autoneg_advertised = ecmd->advertising |
						 ADVERTISED_TP |
						 ADVERTISED_Autoneg;
		ecmd->advertising = hw->autoneg_advertised;
	} else {
		u32 speed = ethtool_cmd_speed(ecmd);
		/* calling this overrides forced MDI setting */
		if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
			clear_bit(__E1000_RESETTING, &adapter->flags);
			return -EINVAL;
		}
	}

	/* MDI-X => 2; MDI => 1; Auto => 3 */
	if (ecmd->eth_tp_mdix_ctrl) {
		if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
			hw->mdix = AUTO_ALL_MODES;
		else
			hw->mdix = ecmd->eth_tp_mdix_ctrl;
	}

	/* reset the link */

	if (netif_running(adapter->netdev)) {
		e1000_down(adapter);
		e1000_up(adapter);
	} else {
		e1000_reset(adapter);
	}
	clear_bit(__E1000_RESETTING, &adapter->flags);
	return 0;
}

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jesse brandeburg
jesse brandeburg
131
47.46%
2
11.76%
jeff garzik
jeff garzik
56
20.29%
1
5.88%
mallikarjuna r chilakala
mallikarjuna r chilakala
28
10.14%
2
11.76%
scott feldman
scott feldman
15
5.43%
1
5.88%
ganesh venkatesan
ganesh venkatesan
14
5.07%
2
11.76%
david decotigny
david decotigny
12
4.35%
2
11.76%
jeb cramer
jeb cramer
6
2.17%
1
5.88%
christopher goldfarb
christopher goldfarb
5
1.81%
2
11.76%
jeff kirsher
jeff kirsher
5
1.81%
2
11.76%
jeb j. cramer
jeb j. cramer
2
0.72%
1
5.88%
krzysztof majzerowicz-jaszcz
krzysztof majzerowicz-jaszcz
2
0.72%
1
5.88%
Total
276
100.00%
17
100.00%



static u32 e1000_get_link(struct net_device *netdev)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);

	/* 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))
		adapter->hw.get_link_status = 1;

	return e1000_has_link(adapter);
}

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nicholas nunley
nicholas nunley
43
97.73%
1
50.00%
jeff kirsher
jeff kirsher
1
2.27%
1
50.00%
Total
44
100.00%
2
100.00%



static void e1000_get_pauseparam(struct net_device *netdev,
				 struct ethtool_pauseparam *pause)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	pause->autoneg =
		(adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);

	if (hw->fc == E1000_FC_RX_PAUSE) {
		pause->rx_pause = 1;
	} else if (hw->fc == E1000_FC_TX_PAUSE) {
		pause->tx_pause = 1;
	} else if (hw->fc == E1000_FC_FULL) {
		pause->rx_pause = 1;
		pause->tx_pause = 1;
	}
}

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scott feldman
scott feldman
78
73.58%
1
16.67%
ganesh venkatesan
ganesh venkatesan
17
16.04%
1
16.67%
krzysztof majzerowicz-jaszcz
krzysztof majzerowicz-jaszcz
4
3.77%
1
16.67%
jeff kirsher
jeff kirsher
3
2.83%
1
16.67%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
2.83%
1
16.67%
jeff garzik
jeff garzik
1
0.94%
1
16.67%
Total
106
100.00%
6
100.00%



static int e1000_set_pauseparam(struct net_device *netdev,
				struct ethtool_pauseparam *pause)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
	int retval = 0;

	adapter->fc_autoneg = pause->autoneg;

	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
		msleep(1);

	if (pause->rx_pause && pause->tx_pause)
		hw->fc = E1000_FC_FULL;
	else if (pause->rx_pause && !pause->tx_pause)
		hw->fc = E1000_FC_RX_PAUSE;
	else if (!pause->rx_pause && pause->tx_pause)
		hw->fc = E1000_FC_TX_PAUSE;
	else if (!pause->rx_pause && !pause->tx_pause)
		hw->fc = E1000_FC_NONE;

	hw->original_fc = hw->fc;

	if (adapter->fc_autoneg == AUTONEG_ENABLE) {
		if (netif_running(adapter->netdev)) {
			e1000_down(adapter);
			e1000_up(adapter);
		} else {
			e1000_reset(adapter);
		}
	} else
		retval = ((hw->media_type == e1000_media_type_fiber) ?
			  e1000_setup_link(hw) : e1000_force_mac_fc(hw));

	clear_bit(__E1000_RESETTING, &adapter->flags);
	return retval;
}

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scott feldman
scott feldman
132
60.00%
2
25.00%
jesse brandeburg
jesse brandeburg
44
20.00%
1
12.50%
ganesh venkatesan
ganesh venkatesan
35
15.91%
2
25.00%
jeff kirsher
jeff kirsher
4
1.82%
1
12.50%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
1.36%
1
12.50%
krzysztof majzerowicz-jaszcz
krzysztof majzerowicz-jaszcz
2
0.91%
1
12.50%
Total
220
100.00%
8
100.00%



static u32 e1000_get_msglevel(struct net_device *netdev)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);

	return adapter->msg_enable;
}

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ganesh venkatesan
21
80.77%
2
40.00%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
11.54%
1
20.00%
joe perches
joe perches
1
3.85%
1
20.00%
scott feldman
scott feldman
1
3.85%
1
20.00%
Total
26
100.00%
5
100.00%



static void e1000_set_msglevel(struct net_device *netdev, u32 data)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);

	adapter->msg_enable = data;
}

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ganesh venkatesan
24
80.00%
2
40.00%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
10.00%
1
20.00%
scott feldman
scott feldman
2
6.67%
1
20.00%
joe perches
joe perches
1
3.33%
1
20.00%
Total
30
100.00%
5
100.00%



static int e1000_get_regs_len(struct net_device *netdev)
{

#define E1000_REGS_LEN 32
	return E1000_REGS_LEN * sizeof(u32);
}

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ganesh venkatesan
ganesh venkatesan
18
78.26%
1
33.33%
jeb cramer
jeb cramer
4
17.39%
1
33.33%
joe perches
joe perches
1
4.35%
1
33.33%
Total
23
100.00%
3
100.00%



static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
			   void *p)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
	u32 *regs_buff = p;
	u16 phy_data;

	memset(p, 0, E1000_REGS_LEN * sizeof(u32));

	regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;

	regs_buff[0]  = er32(CTRL);
	regs_buff[1]  = er32(STATUS);

	regs_buff[2]  = er32(RCTL);
	regs_buff[3]  = er32(RDLEN);
	regs_buff[4]  = er32(RDH);
	regs_buff[5]  = er32(RDT);
	regs_buff[6]  = er32(RDTR);

	regs_buff[7]  = er32(TCTL);
	regs_buff[8]  = er32(TDLEN);
	regs_buff[9]  = er32(TDH);
	regs_buff[10] = er32(TDT);
	regs_buff[11] = er32(TIDV);

	regs_buff[12] = hw->phy_type;  /* PHY type (IGP=1, M88=0) */
	if (hw->phy_type == e1000_phy_igp) {
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_A);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[13] = (u32)phy_data; /* cable length */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_B);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[14] = (u32)phy_data; /* cable length */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_C);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[15] = (u32)phy_data; /* cable length */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_D);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[16] = (u32)phy_data; /* cable length */
		regs_buff[17] = 0; /* extended 10bt distance (not needed) */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[18] = (u32)phy_data; /* cable polarity */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_PCS_INIT_REG);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[19] = (u32)phy_data; /* cable polarity */
		regs_buff[20] = 0; /* polarity correction enabled (always) */
		regs_buff[22] = 0; /* phy receive errors (unavailable) */
		regs_buff[23] = regs_buff[18]; /* mdix mode */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
	} else {
		e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
		regs_buff[13] = (u32)phy_data; /* cable length */
		regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
		regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
		regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
		e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
		regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
		regs_buff[18] = regs_buff[13]; /* cable polarity */
		regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
		regs_buff[20] = regs_buff[17]; /* polarity correction */
		/* phy receive errors */
		regs_buff[22] = adapter->phy_stats.receive_errors;
		regs_buff[23] = regs_buff[13]; /* mdix mode */
	}
	regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
	e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
	regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
	regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
	if (hw->mac_type >= e1000_82540 &&
	    hw->media_type == e1000_media_type_copper) {
		regs_buff[26] = er32(MANC);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
463
70.90%
2
33.33%
jeb cramer
jeb cramer
161
24.66%
1
16.67%
joe perches
joe perches
26
3.98%
2
33.33%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
0.46%
1
16.67%
Total
653
100.00%
6
100.00%



static int e1000_get_eeprom_len(struct net_device *netdev)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	return hw->eeprom.word_size * 2;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
jeb cramer
jeb cramer
18
45.00%
1
25.00%
joe perches
joe perches
10
25.00%
1
25.00%
ganesh venkatesan
ganesh venkatesan
9
22.50%
1
25.00%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
7.50%
1
25.00%
Total
40
100.00%
4
100.00%



static int e1000_get_eeprom(struct net_device *netdev,
			    struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct e1000_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->eeprom.type == e1000_eeprom_spi)
		ret_val = e1000_read_eeprom(hw, first_word,
					    last_word - first_word + 1,
					    eeprom_buff);
	else {
		for (i = 0; i < last_word - first_word + 1; i++) {
			ret_val = e1000_read_eeprom(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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
195
72.49%
2
28.57%
jeb cramer
jeb cramer
59
21.93%
1
14.29%
joe perches
joe perches
11
4.09%
2
28.57%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
1.12%
1
14.29%
scott feldman
scott feldman
1
0.37%
1
14.29%
Total
269
100.00%
7
100.00%



static int e1000_set_eeprom(struct net_device *netdev,
			    struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct e1000_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 (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
		return -EFAULT;

	max_len = hw->eeprom.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 = e1000_read_eeprom(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 = e1000_read_eeprom(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 = e1000_write_eeprom(hw, first_word,
				     last_word - first_word + 1, eeprom_buff);

	/* Update the checksum over the first part of the EEPROM if needed */
	if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
		e1000_update_eeprom_checksum(hw);

	kfree(eeprom_buff);
	return ret_val;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
249
71.97%
1
14.29%
jeb cramer
jeb cramer
86
24.86%
1
14.29%
mallikarjuna r chilakala
mallikarjuna r chilakala
5
1.45%
2
28.57%
joe perches
joe perches
3
0.87%
1
14.29%
jeff kirsher
jeff kirsher
2
0.58%
1
14.29%
jesse brandeburg
jesse brandeburg
1
0.29%
1
14.29%
Total
346
100.00%
7
100.00%



static void e1000_get_drvinfo(struct net_device *netdev,
			      struct ethtool_drvinfo *drvinfo)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);

	strlcpy(drvinfo->driver,  e1000_driver_name,
		sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, e1000_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
ganesh venkatesan
41
51.90%
1
20.00%
rick jones
rick jones
20
25.32%
1
20.00%
jeb cramer
jeb cramer
12
15.19%
1
20.00%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
3.80%
1
20.00%
jeff kirsher
jeff kirsher
3
3.80%
1
20.00%
Total
79
100.00%
5
100.00%



static void e1000_get_ringparam(struct net_device *netdev,
				struct ethtool_ringparam *ring)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
	e1000_mac_type mac_type = hw->mac_type;
	struct e1000_tx_ring *txdr = adapter->tx_ring;
	struct e1000_rx_ring *rxdr = adapter->rx_ring;

	ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
		E1000_MAX_82544_RXD;
	ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
		E1000_MAX_82544_TXD;
	ring->rx_pending = rxdr->count;
	ring->tx_pending = txdr->count;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
79
75.24%
1
20.00%
joe perches
joe perches
11
10.48%
1
20.00%
jeb cramer
jeb cramer
10
9.52%
1
20.00%
mallikarjuna r chilakala
mallikarjuna r chilakala
5
4.76%
2
40.00%
Total
105
100.00%
5
100.00%



static int e1000_set_ringparam(struct net_device *netdev,
			       struct ethtool_ringparam *ring)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
	e1000_mac_type mac_type = hw->mac_type;
	struct e1000_tx_ring *txdr, *tx_old;
	struct e1000_rx_ring *rxdr, *rx_old;
	int i, err;

	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
		return -EINVAL;

	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
		msleep(1);

	if (netif_running(adapter->netdev))
		e1000_down(adapter);

	tx_old = adapter->tx_ring;
	rx_old = adapter->rx_ring;

	err = -ENOMEM;
	txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
		       GFP_KERNEL);
	if (!txdr)
		goto err_alloc_tx;

	rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
		       GFP_KERNEL);
	if (!rxdr)
		goto err_alloc_rx;

	adapter->tx_ring = txdr;
	adapter->rx_ring = rxdr;

	rxdr->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
	rxdr->count = min(rxdr->count, (u32)(mac_type < e1000_82544 ?
			  E1000_MAX_RXD : E1000_MAX_82544_RXD));
	rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
	txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
	txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?
			  E1000_MAX_TXD : E1000_MAX_82544_TXD));
	txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);

	for (i = 0; i < adapter->num_tx_queues; i++)
		txdr[i].count = txdr->count;
	for (i = 0; i < adapter->num_rx_queues; i++)
		rxdr[i].count = rxdr->count;

	if (netif_running(adapter->netdev)) {
		/* Try to get new resources before deleting old */
		err = e1000_setup_all_rx_resources(adapter);
		if (err)
			goto err_setup_rx;
		err = e1000_setup_all_tx_resources(adapter);
		if (err)
			goto err_setup_tx;

		/* save the new, restore the old in order to free it,
                 * then restore the new back again
                 */

		adapter->rx_ring = rx_old;
		adapter->tx_ring = tx_old;
		e1000_free_all_rx_resources(adapter);
		e1000_free_all_tx_resources(adapter);
		kfree(tx_old);
		kfree(rx_old);
		adapter->rx_ring = rxdr;
		adapter->tx_ring = txdr;
		err = e1000_up(adapter);
		if (err)
			goto err_setup;
	}

	clear_bit(__E1000_RESETTING, &adapter->flags);
	return 0;
err_setup_tx:
	e1000_free_all_rx_resources(adapter);
err_setup_rx:
	adapter->rx_ring = rx_old;
	adapter->tx_ring = tx_old;
	kfree(rxdr);
err_alloc_rx:
	kfree(txdr);
err_alloc_tx:
	e1000_up(adapter);
err_setup:
	clear_bit(__E1000_RESETTING, &adapter->flags);
	return err;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
159
30.75%
2
13.33%
mallikarjuna r chilakala
mallikarjuna r chilakala
111
21.47%
2
13.33%
jeb cramer
jeb cramer
83
16.05%
1
6.67%
auke kok
auke kok
42
8.12%
1
6.67%
jeff kirsher
jeff kirsher
35
6.77%
3
20.00%
vasily averin
vasily averin
30
5.80%
1
6.67%
joe perches
joe perches
27
5.22%
3
20.00%
yan burman
yan burman
20
3.87%
1
6.67%
milind arun choudhary
milind arun choudhary
10
1.93%
1
6.67%
Total
517
100.00%
15
100.00%



static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
			     u32 mask, u32 write)
{
	struct e1000_hw *hw = &adapter->hw;
	static const u32 test[] = {
		0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
	};
	u8 __iomem *address = hw->hw_addr + reg;
	u32 read;
	int i;

	for (i = 0; i < ARRAY_SIZE(test); i++) {
		writel(write & test[i], address);
		read = readl(address);
		if (read != (write & test[i] & mask)) {
			e_err(drv, "pattern test reg %04X failed: "
			      "got 0x%08X expected 0x%08X\n",
			      reg, read, (write & test[i] & mask));
			*data = reg;
			return true;
		}
	}
	return false;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
joe perches
joe perches
152
98.06%
3
75.00%
emil tantilov
emil tantilov
3
1.94%
1
25.00%
Total
155
100.00%
4
100.00%



static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
			      u32 mask, u32 write)
{
	struct e1000_hw *hw = &adapter->hw;
	u8 __iomem *address = hw->hw_addr + reg;
	u32 read;

	writel(write & mask, address);
	read = readl(address);
	if ((read & mask) != (write & mask)) {
		e_err(drv, "set/check reg %04X test failed: "
		      "got 0x%08X expected 0x%08X\n",
		      reg, (read & mask), (write & mask));
		*data = reg;
		return true;
	}
	return false;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
joe perches
joe perches
110
97.35%
3
60.00%
emil tantilov
emil tantilov
3
2.65%
2
40.00%
Total
113
100.00%
5
100.00%


#define REG_PATTERN_TEST(reg, mask, write)			     \
	do {                                                         \
                if (reg_pattern_test(adapter, data,                  \
                             (hw->mac_type >= e1000_82543)   \
                             ? E1000_##reg : E1000_82542_##reg,      \
                             mask, write))                           \
                        return 1;                                    \
        } while (0)


#define REG_SET_AND_CHECK(reg, mask, write)			     \
	do {                                                         \
                if (reg_set_and_check(adapter, data,                 \
                              (hw->mac_type >= e1000_82543)  \
                              ? E1000_##reg : E1000_82542_##reg,     \
                              mask, write))                          \
                        return 1;                                    \
        } while (0)



static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
{
	u32 value, before, after;
	u32 i, toggle;
	struct e1000_hw *hw = &adapter->hw;

	/* The status register is Read Only, so a write should fail.
         * Some bits that get toggled are ignored.
         */

	/* there are several bits on newer hardware that are r/w */
	toggle = 0xFFFFF833;

	before = er32(STATUS);
	value = (er32(STATUS) & toggle);
	ew32(STATUS, toggle);
	after = er32(STATUS) & toggle;
	if (value != after) {
		e_err(drv, "failed STATUS register test got: "
		      "0x%08X expected: 0x%08X\n", after, value);
		*data = 1;
		return 1;
	}
	/* restore previous status */
	ew32(STATUS, before);

	REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);

	REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
	REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
	REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
	REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
	REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
	REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
	REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);

	REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);

	before = 0x06DFB3FE;
	REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
	REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);

	if (hw->mac_type >= e1000_82543) {
		REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
		REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
		REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
		REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
		REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
		value = E1000_RAR_ENTRIES;
		for (i = 0; i < value; i++) {
			REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2),
					 0x8003FFFF, 0xFFFFFFFF);
		}
	} else {
		REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
		REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
		REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
		REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
	}

	value = E1000_MC_TBL_SIZE;
	for (i = 0; i < value; i++)
		REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);

	*data = 0;
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
241
54.04%
1
10.00%
jeb cramer
jeb cramer
121
27.13%
1
10.00%
mallikarjuna r chilakala
mallikarjuna r chilakala
44
9.87%
2
20.00%
joe perches
joe perches
19
4.26%
2
20.00%
auke kok
auke kok
16
3.59%
1
10.00%
emil tantilov
emil tantilov
3
0.67%
2
20.00%
scott feldman
scott feldman
2
0.45%
1
10.00%
Total
446
100.00%
10
100.00%



static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
{
	struct e1000_hw *hw = &adapter->hw;
	u16 temp;
	u16 checksum = 0;
	u16 i;

	*data = 0;
	/* Read and add up the contents of the EEPROM */
	for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
		if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
			*data = 1;
			break;
		}
		checksum += temp;
	}

	/* If Checksum is not Correct return error else test passed */
	if ((checksum != (u16)EEPROM_SUM) && !(*data))
		*data = 2;

	return *data;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
86
72.88%
1
25.00%
jeb cramer
jeb cramer
17
14.41%
1
25.00%
joe perches
joe perches
15
12.71%
2
50.00%
Total
118
100.00%
4
100.00%



static irqreturn_t e1000_test_intr(int irq, void *data)
{
	struct net_device *netdev = (struct net_device *)data;
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	adapter->test_icr |= er32(ICR);

	return IRQ_HANDLED;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
31
54.39%
1
25.00%
jeb cramer
jeb cramer
12
21.05%
1
25.00%
joe perches
joe perches
11
19.30%
1
25.00%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
5.26%
1
25.00%
Total
57
100.00%
4
100.00%



static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
{
	struct net_device *netdev = adapter->netdev;
	u32 mask, i = 0;
	bool shared_int = true;
	u32 irq = adapter->pdev->irq;
	struct e1000_hw *hw = &adapter->hw;

	*data = 0;

	/* NOTE: we don't test MSI interrupts here, yet
         * Hook up test interrupt handler just for this test
         */
	if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
			 netdev))
		shared_int = false;
	else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
			     netdev->name, netdev)) {
		*data = 1;
		return -1;
	}
	e_info(hw, "testing %s interrupt\n", (shared_int ?
	       "shared" : "unshared"));

	/* Disable all the interrupts */
	ew32(IMC, 0xFFFFFFFF);
	E1000_WRITE_FLUSH();
	msleep(10);

	/* Test each interrupt */
	for (; i < 10; i++) {
		/* Interrupt to test */
		mask = 1 << i;

		if (!shared_int) {
			/* Disable the interrupt to be reported in
                         * the cause register and then force the same
                         * interrupt and see if one gets posted.  If
                         * an interrupt was posted to the bus, the
                         * test failed.
                         */
			adapter->test_icr = 0;
			ew32(IMC, mask);
			ew32(ICS, mask);
			E1000_WRITE_FLUSH();
			msleep(10);

			if (adapter->test_icr & mask) {
				*data = 3;
				break;
			}
		}

		/* Enable the interrupt to be reported in
                 * the cause register and then force the same
                 * interrupt and see if one gets posted.  If
                 * an interrupt was not posted to the bus, the
                 * test failed.
                 */
		adapter->test_icr = 0;
		ew32(IMS, mask);
		ew32(ICS, mask);
		E1000_WRITE_FLUSH();
		msleep(10);

		if (!(adapter->test_icr & mask)) {
			*data = 4;
			break;
		}

		if (!shared_int) {
			/* Disable the other interrupts to be reported in
                         * the cause register and then force the other
                         * interrupts and see if any get posted.  If
                         * an interrupt was posted to the bus, the
                         * test failed.
                         */
			adapter->test_icr = 0;
			ew32(IMC, ~mask & 0x00007FFF);
			ew32(ICS, ~mask & 0x00007FFF);
			E1000_WRITE_FLUSH();
			msleep(10);

			if (adapter->test_icr) {
				*data = 5;
				break;
			}
		}
	}

	/* Disable all the interrupts */
	ew32(IMC, 0xFFFFFFFF);
	E1000_WRITE_FLUSH();
	msleep(10);

	/* Unhook test interrupt handler */
	free_irq(irq, netdev);

	return *data;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
218
62.82%
3
20.00%
jeb cramer
jeb cramer
65
18.73%
1
6.67%
joe perches
joe perches
25
7.20%
3
20.00%
jesse brandeburg
jesse brandeburg
15
4.32%
1
6.67%
auke kok
auke kok
13
3.75%
2
13.33%
jeff garzik
jeff garzik
5
1.44%
1
6.67%
emil tantilov
emil tantilov
3
0.86%
2
13.33%
thomas gleixner
thomas gleixner
2
0.58%
1
6.67%
jeff kirsher
jeff kirsher
1
0.29%
1
6.67%
Total
347
100.00%
15
100.00%



static void e1000_free_desc_rings(struct e1000_adapter *adapter)
{
	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
	struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
	struct pci_dev *pdev = adapter->pdev;
	int i;

	if (txdr->desc && txdr->buffer_info) {
		for (i = 0; i < txdr->count; i++) {
			if (txdr->buffer_info[i].dma)
				dma_unmap_single(&pdev->dev,
						 txdr->buffer_info[i].dma,
						 txdr->buffer_info[i].length,
						 DMA_TO_DEVICE);
			if (txdr->buffer_info[i].skb)
				dev_kfree_skb(txdr->buffer_info[i].skb);
		}
	}

	if (rxdr->desc && rxdr->buffer_info) {
		for (i = 0; i < rxdr->count; i++) {
			if (rxdr->buffer_info[i].dma)
				dma_unmap_single(&pdev->dev,
						 rxdr->buffer_info[i].dma,
						 E1000_RXBUFFER_2048,
						 DMA_FROM_DEVICE);
			kfree(rxdr->buffer_info[i].rxbuf.data);
		}
	}

	if (txdr->desc) {
		dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
				  txdr->dma);
		txdr->desc = NULL;
	}
	if (rxdr->desc) {
		dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
				  rxdr->dma);
		rxdr->desc = NULL;
	}

	kfree(txdr->buffer_info);
	txdr->buffer_info = NULL;
	kfree(rxdr->buffer_info);
	rxdr->buffer_info = NULL;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
193
63.70%
1
14.29%
jeb cramer
jeb cramer
57
18.81%
1
14.29%
john w. linville
john w. linville
28
9.24%
1
14.29%
nicholas nunley
nicholas nunley
18
5.94%
1
14.29%
florian westphal
florian westphal
5
1.65%
2
28.57%
mallikarjuna r chilakala
mallikarjuna r chilakala
2
0.66%
1
14.29%
Total
303
100.00%
7
100.00%



static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
	struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
	struct pci_dev *pdev = adapter->pdev;
	u32 rctl;
	int i, ret_val;

	/* Setup Tx descriptor ring and Tx buffers */

	if (!txdr->count)
		txdr->count = E1000_DEFAULT_TXD;

	txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),
				    GFP_KERNEL);
	if (!txdr->buffer_info) {
		ret_val = 1;
		goto err_nomem;
	}

	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
	txdr->size = ALIGN(txdr->size, 4096);
	txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
					 GFP_KERNEL);
	if (!txdr->desc) {
		ret_val = 2;
		goto err_nomem;
	}
	txdr->next_to_use = txdr->next_to_clean = 0;

	ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
	ew32(TDBAH, ((u64)txdr->dma >> 32));
	ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
	ew32(TDH, 0);
	ew32(TDT, 0);
	ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
	     E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
	     E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);

	for (i = 0; i < txdr->count; i++) {
		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
		struct sk_buff *skb;
		unsigned int size = 1024;

		skb = alloc_skb(size, GFP_KERNEL);
		if (!skb) {
			ret_val = 3;
			goto err_nomem;
		}
		skb_put(skb, size);
		txdr->buffer_info[i].skb = skb;
		txdr->buffer_info[i].length = skb->len;
		txdr->buffer_info[i].dma =
			dma_map_single(&pdev->dev, skb->data, skb->len,
				       DMA_TO_DEVICE);
		if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
			ret_val = 4;
			goto err_nomem;
		}
		tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
		tx_desc->lower.data = cpu_to_le32(skb->len);
		tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
						   E1000_TXD_CMD_IFCS |
						   E1000_TXD_CMD_RPS);
		tx_desc->upper.data = 0;
	}

	/* Setup Rx descriptor ring and Rx buffers */

	if (!rxdr->count)
		rxdr->count = E1000_DEFAULT_RXD;

	rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_rx_buffer),
				    GFP_KERNEL);
	if (!rxdr->buffer_info) {
		ret_val = 5;
		goto err_nomem;
	}

	rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
	rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
					 GFP_KERNEL);
	if (!rxdr->desc) {
		ret_val = 6;
		goto err_nomem;
	}
	rxdr->next_to_use = rxdr->next_to_clean = 0;

	rctl = er32(RCTL);
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
	ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
	ew32(RDBAH, ((u64)rxdr->dma >> 32));
	ew32(RDLEN, rxdr->size);
	ew32(RDH, 0);
	ew32(RDT, 0);
	rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
	ew32(RCTL, rctl);

	for (i = 0; i < rxdr->count; i++) {
		struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
		u8 *buf;

		buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN,
			      GFP_KERNEL);
		if (!buf) {
			ret_val = 7;
			goto err_nomem;
		}
		rxdr->buffer_info[i].rxbuf.data = buf;

		rxdr->buffer_info[i].dma =
			dma_map_single(&pdev->dev,
				       buf + NET_SKB_PAD + NET_IP_ALIGN,
				       E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
		if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
			ret_val = 8;
			goto err_nomem;
		}
		rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
	}

	return 0;

err_nomem:
	e1000_free_desc_rings(adapter);
	return ret_val;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
474
56.97%
1
5.00%
jeb cramer
jeb cramer
124
14.90%
2
10.00%
joe perches
joe perches
69
8.29%
4
20.00%
christoph paasch
christoph paasch
59
7.09%
1
5.00%
nicholas nunley
nicholas nunley
20
2.40%
1
5.00%
mallikarjuna r chilakala
mallikarjuna r chilakala
18
2.16%
2
10.00%
florian westphal
florian westphal
18
2.16%
3
15.00%
yan burman
yan burman
18
2.16%
1
5.00%
jeff garzik
jeff garzik
14
1.68%
1
5.00%
scott feldman
scott feldman
12
1.44%
2
10.00%
milind arun choudhary
milind arun choudhary
5
0.60%
1
5.00%
anton blanchard
anton blanchard
1
0.12%
1
5.00%
Total
832
100.00%
20
100.00%



static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;

	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
	e1000_write_phy_reg(hw, 29, 0x001F);
	e1000_write_phy_reg(hw, 30, 0x8FFC);
	e1000_write_phy_reg(hw, 29, 0x001A);
	e1000_write_phy_reg(hw, 30, 0x8FF0);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
22
37.93%
1
16.67%
jeb cramer
jeb cramer
21
36.21%
2
33.33%
joe perches
joe perches
10
17.24%
1
16.67%
scott feldman
scott feldman
5
8.62%
2
33.33%
Total
58
100.00%
6
100.00%



static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	u16 phy_reg;

	/* Because we reset the PHY above, we need to re-force TX_CLK in the
         * Extended PHY Specific Control Register to 25MHz clock.  This
         * value defaults back to a 2.5MHz clock when the PHY is reset.
         */
	e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
	phy_reg |= M88E1000_EPSCR_TX_CLK_25;
	e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);

	/* In addition, because of the s/w reset above, we need to enable
         * CRS on TX.  This must be set for both full and half duplex
         * operation.
         */
	e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
	phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
	e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
42
58.33%
1
14.29%
jeb cramer
jeb cramer
12
16.67%
2
28.57%
joe perches
joe perches
11
15.28%
2
28.57%
scott feldman
scott feldman
6
8.33%
1
14.29%
christopher goldfarb
christopher goldfarb
1
1.39%
1
14.29%
Total
72
100.00%
7
100.00%



static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	u32 ctrl_reg;
	u16 phy_reg;

	/* Setup the Device Control Register for PHY loopback test. */

	ctrl_reg = er32(CTRL);
	ctrl_reg |= (E1000_CTRL_ILOS |		/* Invert Loss-Of-Signal */
		     E1000_CTRL_FRCSPD |	/* Set the Force Speed Bit */
		     E1000_CTRL_FRCDPX |	/* Set the Force Duplex Bit */
		     E1000_CTRL_SPD_1000 |	/* Force Speed to 1000 */
		     E1000_CTRL_FD);		/* Force Duplex to FULL */

	ew32(CTRL, ctrl_reg);

	/* Read the PHY Specific Control Register (0x10) */
	e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);

	/* Clear Auto-Crossover bits in PHY Specific Control Register
         * (bits 6:5).
         */
	phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
	e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);

	/* Perform software reset on the PHY */
	e1000_phy_reset(hw);

	/* Have to setup TX_CLK and TX_CRS after software reset */
	e1000_phy_reset_clk_and_crs(adapter);

	e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);

	/* Wait for reset to complete. */
	udelay(500);

	/* Have to setup TX_CLK and TX_CRS after software reset */
	e1000_phy_reset_clk_and_crs(adapter);

	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
	e1000_phy_disable_receiver(adapter);

	/* Set the loopback bit in the PHY control register. */
	e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
	phy_reg |= MII_CR_LOOPBACK;
	e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);

	/* Setup TX_CLK and TX_CRS one more time. */
	e1000_phy_reset_clk_and_crs(adapter);

	/* Check Phy Configuration */
	e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
	if (phy_reg != 0x4100)
		return 9;

	e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
	if (phy_reg != 0x0070)
		return 10;

	e1000_read_phy_reg(hw, 29, &phy_reg);
	if (phy_reg != 0x001A)
		return 11;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
155
71.43%
1
10.00%
jeff garzik
jeff garzik
20
9.22%
1
10.00%
scott feldman
scott feldman
19
8.76%
3
30.00%
joe perches
joe perches
14
6.45%
2
20.00%
jeb cramer
jeb cramer
8
3.69%
2
20.00%
christopher goldfarb
christopher goldfarb
1
0.46%
1
10.00%
Total
217
100.00%
10
100.00%



static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	u32 ctrl_reg = 0;
	u32 stat_reg = 0;

	hw->autoneg = false;

	if (hw->phy_type == e1000_phy_m88) {
		/* Auto-MDI/MDIX Off */
		e1000_write_phy_reg(hw,
				    M88E1000_PHY_SPEC_CTRL, 0x0808);
		/* reset to update Auto-MDI/MDIX */
		e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
		/* autoneg off */
		e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
	}

	ctrl_reg = er32(CTRL);

	/* force 1000, set loopback */
	e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);

	/* Now set up the MAC to the same speed/duplex as the PHY. */
	ctrl_reg = er32(CTRL);
	ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
	ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
			E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
			E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
			E1000_CTRL_FD); /* Force Duplex to FULL */

	if (hw->media_type == e1000_media_type_copper &&
	    hw->phy_type == e1000_phy_m88)
		ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
	else {
		/* Set the ILOS bit on the fiber Nic is half
                 * duplex link is detected.
                 */
		stat_reg = er32(STATUS);
		if ((stat_reg & E1000_STATUS_FD) == 0)
			ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
	}

	ew32(CTRL, ctrl_reg);

	/* Disable the receiver on the PHY so when a cable is plugged in, the
         * PHY does not begin to autoneg when a cable is reconnected to the NIC.
         */
	if (hw->phy_type == e1000_phy_m88)
		e1000_phy_disable_receiver(adapter);

	udelay(500);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
105
52.24%
1
10.00%
auke kok
auke kok
35
17.41%
1
10.00%
jeff garzik
jeff garzik
22
10.95%
1
10.00%
joe perches
joe perches
21
10.45%
3
30.00%
jesse brandeburg
jesse brandeburg
11
5.47%
1
10.00%
scott feldman
scott feldman
4
1.99%
1
10.00%
christopher goldfarb
christopher goldfarb
2
1.00%
1
10.00%
jeff kirsher
jeff kirsher
1
0.50%
1
10.00%
Total
201
100.00%
10
100.00%



static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	u16 phy_reg = 0;
	u16 count = 0;

	switch (hw->mac_type) {
	case e1000_82543:
		if (hw->media_type == e1000_media_type_copper) {
			/* Attempt to setup Loopback mode on Non-integrated PHY.
                         * Some PHY registers get corrupted at random, so
                         * attempt this 10 times.
                         */
			while (e1000_nonintegrated_phy_loopback(adapter) &&
			       count++ < 10);
			if (count < 11)
				return 0;
		}
		break;

	case e1000_82544:
	case e1000_82540:
	case e1000_82545:
	case e1000_82545_rev_3:
	case e1000_82546:
	case e1000_82546_rev_3:
	case e1000_82541:
	case e1000_82541_rev_2:
	case e1000_82547:
	case e1000_82547_rev_2:
		return e1000_integrated_phy_loopback(adapter);
	default:
		/* Default PHY loopback work is to read the MII
                 * control register and assert bit 14 (loopback mode).
                 */
		e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
		phy_reg |= MII_CR_LOOPBACK;
		e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
		return 0;
	}

	return 8;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
105
73.43%
1
25.00%
scott feldman
scott feldman
24
16.78%
1
25.00%
joe perches
joe perches
14
9.79%
2
50.00%
Total
143
100.00%
4
100.00%



static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	u32 rctl;

	if (hw->media_type == e1000_media_type_fiber ||
	    hw->media_type == e1000_media_type_internal_serdes) {
		switch (hw->mac_type) {
		case e1000_82545:
		case e1000_82546:
		case e1000_82545_rev_3:
		case e1000_82546_rev_3:
			return e1000_set_phy_loopback(adapter);
		default:
			rctl = er32(RCTL);
			rctl |= E1000_RCTL_LBM_TCVR;
			ew32(RCTL, rctl);
			return 0;
		}
	} else if (hw->media_type == e1000_media_type_copper) {
		return e1000_set_phy_loopback(adapter);
	}

	return 7;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
48
44.44%
1
12.50%
jeff kirsher
jeff kirsher
34
31.48%
3
37.50%
scott feldman
scott feldman
21
19.44%
1
12.50%
joe perches
joe perches
3
2.78%
2
25.00%
krzysztof majzerowicz-jaszcz
krzysztof majzerowicz-jaszcz
2
1.85%
1
12.50%
Total
108
100.00%
8
100.00%



static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	u32 rctl;
	u16 phy_reg;

	rctl = er32(RCTL);
	rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
	ew32(RCTL, rctl);

	switch (hw->mac_type) {
	case e1000_82545:
	case e1000_82546:
	case e1000_82545_rev_3:
	case e1000_82546_rev_3:
	default:
		hw->autoneg = true;
		e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
		if (phy_reg & MII_CR_LOOPBACK) {
			phy_reg &= ~MII_CR_LOOPBACK;
			e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
			e1000_phy_reset(hw);
		}
		break;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
51
44.35%
1
10.00%
jeff kirsher
jeff kirsher
29
25.22%
3
30.00%
jeff garzik
jeff garzik
21
18.26%
1
10.00%
scott feldman
scott feldman
5
4.35%
1
10.00%
joe perches
joe perches
5
4.35%
3
30.00%
jeb cramer
jeb cramer
4
3.48%
1
10.00%
Total
115
100.00%
10
100.00%



static void e1000_create_lbtest_frame(struct sk_buff *skb,
				      unsigned int frame_size)
{
	memset(skb->data, 0xFF, frame_size);
	frame_size &= ~1;
	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
66
73.33%
1
25.00%
jeb cramer
jeb cramer
16
17.78%
1
25.00%
scott feldman
scott feldman
6
6.67%
1
25.00%
jeff kirsher
jeff kirsher
2
2.22%
1
25.00%
Total
90
100.00%
4
100.00%



static int e1000_check_lbtest_frame(const unsigned char *data,
				    unsigned int frame_size)
{
	frame_size &= ~1;
	if (*(data + 3) == 0xFF) {
		if ((*(data + frame_size / 2 + 10) == 0xBE) &&
		    (*(data + frame_size / 2 + 12) == 0xAF)) {
			return 0;
		}
	}
	return 13;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
43
58.11%
1
20.00%
florian westphal
florian westphal
20
27.03%
1
20.00%
scott feldman
scott feldman
7
9.46%
1
20.00%
jeb cramer
jeb cramer
2
2.70%
1
20.00%
jeff kirsher
jeff kirsher
2
2.70%
1
20.00%
Total
74
100.00%
5
100.00%



static int e1000_run_loopback_test(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
	struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
	struct pci_dev *pdev = adapter->pdev;
	int i, j, k, l, lc, good_cnt, ret_val = 0;
	unsigned long time;

	ew32(RDT, rxdr->count - 1);

	/* Calculate the loop count based on the largest descriptor ring
         * The idea is to wrap the largest ring a number of times using 64
         * send/receive pairs during each loop
         */

	if (rxdr->count <= txdr->count)
		lc = ((txdr->count / 64) * 2) + 1;
	else
		lc = ((rxdr->count / 64) * 2) + 1;

	k = l = 0;
	for (j = 0; j <= lc; j++) { /* loop count loop */
		for (i = 0; i < 64; i++) { /* send the packets */
			e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
						  1024);
			dma_sync_single_for_device(&pdev->dev,
						   txdr->buffer_info[k].dma,
						   txdr->buffer_info[k].length,
						   DMA_TO_DEVICE);
			if (unlikely(++k == txdr->count))
				k = 0;
		}
		ew32(TDT, k);
		E1000_WRITE_FLUSH();
		msleep(200);
		time = jiffies; /* set the start time for the receive */
		good_cnt = 0;
		do { /* receive the sent packets */
			dma_sync_single_for_cpu(&pdev->dev,
						rxdr->buffer_info[l].dma,
						E1000_RXBUFFER_2048,
						DMA_FROM_DEVICE);

			ret_val = e1000_check_lbtest_frame(
					rxdr->buffer_info[l].rxbuf.data +
					NET_SKB_PAD + NET_IP_ALIGN,
					1024);
			if (!ret_val)
				good_cnt++;
			if (unlikely(++l == rxdr->count))
				l = 0;
			/* time + 20 msecs (200 msecs on 2.4) is more than
                         * enough time to complete the receives, if it's
                         * exceeded, break and error off
                         */
		} while (good_cnt < 64 && time_after(time + 20, jiffies));

		if (good_cnt != 64) {
			ret_val = 13; /* ret_val is the same as mis-compare */
			break;
		}
		if (time_after_eq(jiffies, time + 2)) {
			ret_val = 14; /* error code for time out error */
			break;
		}
	} /* end loop count loop */
	return ret_val;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
mallikarjuna r chilakala
mallikarjuna r chilakala
177
47.71%
3
17.65%
ganesh venkatesan
ganesh venkatesan
113
30.46%
2
11.76%
scott feldman
scott feldman
27
7.28%
1
5.88%
joe perches
joe perches
12
3.23%
1
5.88%
nicholas nunley
nicholas nunley
10
2.70%
1
5.88%
florian westphal
florian westphal
8
2.16%
2
11.76%
jeff garzik
jeff garzik
7
1.89%
2
11.76%
jesse brandeburg
jesse brandeburg
5
1.35%
2
11.76%
manuel scholling
manuel scholling
5
1.35%
1
5.88%
asaf vertz
asaf vertz
4
1.08%
1
5.88%
chris wright
chris wright
3
0.81%
1
5.88%
Total
371
100.00%
17
100.00%



static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
{
	*data = e1000_setup_desc_rings(adapter);
	if (*data)
		goto out;
	*data = e1000_setup_loopback_test(adapter);
	if (*data)
		goto err_loopback;
	*data = e1000_run_loopback_test(adapter);
	e1000_loopback_cleanup(adapter);

err_loopback:
	e1000_free_desc_rings(adapter);
out:
	return *data;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
38
52.05%
1
16.67%
jeff garzik
jeff garzik
19
26.03%
1
16.67%
joe perches
joe perches
11
15.07%
2
33.33%
jeff kirsher
jeff kirsher
4
5.48%
1
16.67%
john w. linville
john w. linville
1
1.37%
1
16.67%
Total
73
100.00%
6
100.00%



static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
{
	struct e1000_hw *hw = &adapter->hw;
	*data = 0;
	if (hw->media_type == e1000_media_type_internal_serdes) {
		int i = 0;

		hw->serdes_has_link = false;

		/* On some blade server designs, link establishment
                 * could take as long as 2-3 minutes
                 */
		do {
			e1000_check_for_link(hw);
			if (hw->serdes_has_link)
				return *data;
			msleep(20);
		} while (i++ < 3750);

		*data = 1;
	} else {
		e1000_check_for_link(hw);
		if (hw->autoneg)  /* if auto_neg is set wait for it */
			msleep(4000);

		if (!(er32(STATUS) & E1000_STATUS_LU))
			*data = 1;
	}
	return *data;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
89
68.99%
2
22.22%
joe perches
joe perches
16
12.40%
2
22.22%
mallikarjuna r chilakala
mallikarjuna r chilakala
10
7.75%
1
11.11%
jeff garzik
jeff garzik
10
7.75%
2
22.22%
jesse brandeburg
jesse brandeburg
3
2.33%
1
11.11%
jeff kirsher
jeff kirsher
1
0.78%
1
11.11%
Total
129
100.00%
9
100.00%



static int e1000_get_sset_count(struct net_device *netdev, int sset)
{
	switch (sset) {
	case ETH_SS_TEST:
		return E1000_TEST_LEN;
	case ETH_SS_STATS:
		return E1000_STATS_LEN;
	default:
		return -EOPNOTSUPP;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
jeff garzik
jeff garzik
27
72.97%
2
66.67%
ganesh venkatesan
ganesh venkatesan
10
27.03%
1
33.33%
Total
37
100.00%
3
100.00%



static void e1000_diag_test(struct net_device *netdev,
			    struct ethtool_test *eth_test, u64 *data)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
	bool if_running = netif_running(netdev);

	set_bit(__E1000_TESTING, &adapter->flags);
	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
		/* Offline tests */

		/* save speed, duplex, autoneg settings */
		u16 autoneg_advertised = hw->autoneg_advertised;
		u8 forced_speed_duplex = hw->forced_speed_duplex;
		u8 autoneg = hw->autoneg;

		e_info(hw, "offline testing starting\n");

		/* Link test performed before hardware reset so autoneg doesn't
                 * interfere with test result
                 */
		if (e1000_link_test(adapter, &data[4]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		if (if_running)
			/* indicate we're in test mode */
			e1000_close(netdev);
		else
			e1000_reset(adapter);

		if (e1000_reg_test(adapter, &data[0]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
		if (e1000_eeprom_test(adapter, &data[1]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
		if (e1000_intr_test(adapter, &data[2]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
		/* make sure the phy is powered up */
		e1000_power_up_phy(adapter);
		if (e1000_loopback_test(adapter, &data[3]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* restore speed, duplex, autoneg settings */
		hw->autoneg_advertised = autoneg_advertised;
		hw->forced_speed_duplex = forced_speed_duplex;
		hw->autoneg = autoneg;

		e1000_reset(adapter);
		clear_bit(__E1000_TESTING, &adapter->flags);
		if (if_running)
			e1000_open(netdev);
	} else {
		e_info(hw, "online testing starting\n");
		/* Online tests */
		if (e1000_link_test(adapter, &data[4]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* Online tests aren't run; pass by default */
		data[0] = 0;
		data[1] = 0;
		data[2] = 0;
		data[3] = 0;

		clear_bit(__E1000_TESTING, &adapter->flags);
	}
	msleep_interruptible(4 * 1000);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
193
55.14%
2
9.09%
scott feldman
scott feldman
37
10.57%
4
18.18%
auke kok
auke kok
34
9.71%
3
13.64%
jeff garzik
jeff garzik
21
6.00%
1
4.55%
joe perches
joe perches
21
6.00%
3
13.64%
jesse brandeburg
jesse brandeburg
14
4.00%
1
4.55%
jeb cramer
jeb cramer
11
3.14%
2
9.09%
mallikarjuna r chilakala
mallikarjuna r chilakala
10
2.86%
2
9.09%
emil tantilov
emil tantilov
6
1.71%
2
9.09%
stefan assmann
stefan assmann
2
0.57%
1
4.55%
jeff kirsher
jeff kirsher
1
0.29%
1
4.55%
Total
350
100.00%
22
100.00%



static int e1000_wol_exclusion(struct e1000_adapter *adapter,
			       struct ethtool_wolinfo *wol)
{
	struct e1000_hw *hw = &adapter->hw;
	int retval = 1; /* fail by default */

	switch (hw->device_id) {
	case E1000_DEV_ID_82542:
	case E1000_DEV_ID_82543GC_FIBER:
	case E1000_DEV_ID_82543GC_COPPER:
	case E1000_DEV_ID_82544EI_FIBER:
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
	case E1000_DEV_ID_82545EM_FIBER:
	case E1000_DEV_ID_82545EM_COPPER:
	case E1000_DEV_ID_82546GB_QUAD_COPPER:
	case E1000_DEV_ID_82546GB_PCIE:
		/* these don't support WoL at all */
		wol->supported = 0;
		break;
	case E1000_DEV_ID_82546EB_FIBER:
	case E1000_DEV_ID_82546GB_FIBER:
		/* Wake events not supported on port B */
		if (er32(STATUS) & E1000_STATUS_FUNC_1) {
			wol->supported = 0;
			break;
		}
		/* return success for non excluded adapter ports */
		retval = 0;
		break;
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
		/* quad port adapters only support WoL on port A */
		if (!adapter->quad_port_a) {
			wol->supported = 0;
			break;
		}
		/* return success for non excluded adapter ports */
		retval = 0;
		break;
	default:
		/* dual port cards only support WoL on port A from now on
                 * unless it was enabled in the eeprom for port B
                 * so exclude FUNC_1 ports from having WoL enabled
                 */
		if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
		    !adapter->eeprom_wol) {
			wol->supported = 0;
			break;
		}

		retval = 0;
	}

	return retval;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
63
38.41%
3
30.00%
jesse brandeburg
jesse brandeburg
60
36.59%
1
10.00%
jeff kirsher
jeff kirsher
28
17.07%
2
20.00%
scott feldman
scott feldman
8
4.88%
2
20.00%
auke kok
auke kok
3
1.83%
1
10.00%
joe perches
joe perches
2
1.22%
1
10.00%
Total
164
100.00%
10
100.00%



static void e1000_get_wol(struct net_device *netdev,
			  struct ethtool_wolinfo *wol)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
	wol->wolopts = 0;

	/* this function will set ->supported = 0 and return 1 if wol is not
         * supported by this hardware
         */
	if (e1000_wol_exclusion(adapter, wol) ||
	    !device_can_wakeup(&adapter->pdev->dev))
		return;

	/* apply any specific unsupported masks here */
	switch (hw->device_id) {
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
		/* KSP3 does not support UCAST wake-ups */
		wol->supported &= ~WAKE_UCAST;

		if (adapter->wol & E1000_WUFC_EX)
			e_err(drv, "Interface does not support directed "
			      "(unicast) frame wake-up packets\n");
		break;
	default:
		break;
	}

	if (adapter->wol & E1000_WUFC_EX)
		wol->wolopts |= WAKE_UCAST;
	if (adapter->wol & E1000_WUFC_MC)
		wol->wolopts |= WAKE_MCAST;
	if (adapter->wol & E1000_WUFC_BC)
		wol->wolopts |= WAKE_BCAST;
	if (adapter->wol & E1000_WUFC_MAG)
		wol->wolopts |= WAKE_MAGIC;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
jesse brandeburg
jesse brandeburg
67
39.18%
1
10.00%
ganesh venkatesan
ganesh venkatesan
61
35.67%
1
10.00%
scott feldman
scott feldman
14
8.19%
2
20.00%
joe perches
joe perches
11
6.43%
1
10.00%
rafael j. wysocki
rafael j. wysocki
11
6.43%
1
10.00%
emil tantilov
emil tantilov
5
2.92%
2
20.00%
jeff kirsher
jeff kirsher
1
0.58%
1
10.00%
masanari iida
masanari iida
1
0.58%
1
10.00%
Total
171
100.00%
10
100.00%



static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
		return -EOPNOTSUPP;

	if (e1000_wol_exclusion(adapter, wol) ||
	    !device_can_wakeup(&adapter->pdev->dev))
		return wol->wolopts ? -EOPNOTSUPP : 0;

	switch (hw->device_id) {
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
		if (wol->wolopts & WAKE_UCAST) {
			e_err(drv, "Interface does not support directed "
			      "(unicast) frame wake-up packets\n");
			return -EOPNOTSUPP;
		}
		break;
	default:
		break;
	}

	/* these settings will always override what we currently have */
	adapter->wol = 0;

	if (wol->wolopts & WAKE_UCAST)
		adapter->wol |= E1000_WUFC_EX;
	if (wol->wolopts & WAKE_MCAST)
		adapter->wol |= E1000_WUFC_MC;
	if (wol->wolopts & WAKE_BCAST)
		adapter->wol |= E1000_WUFC_BC;
	if (wol->wolopts & WAKE_MAGIC)
		adapter->wol |= E1000_WUFC_MAG;

	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
88
44.00%
1
11.11%
jeff kirsher
jeff kirsher
31
15.50%
1
11.11%
jesse brandeburg
jesse brandeburg
30
15.00%
1
11.11%
rafael j. wysocki
rafael j. wysocki
25
12.50%
1
11.11%
jeb cramer
jeb cramer
16
8.00%
1
11.11%
emil tantilov
emil tantilov
5
2.50%
2
22.22%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
1.50%
1
11.11%
scott feldman
scott feldman
2
1.00%
1
11.11%
Total
200
100.00%
9
100.00%



static int e1000_set_phys_id(struct net_device *netdev,
			     enum ethtool_phys_id_state state)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	switch (state) {
	case ETHTOOL_ID_ACTIVE:
		e1000_setup_led(hw);
		return 2;

	case ETHTOOL_ID_ON:
		e1000_led_on(hw);
		break;

	case ETHTOOL_ID_OFF:
		e1000_led_off(hw);
		break;

	case ETHTOOL_ID_INACTIVE:
		e1000_cleanup_led(hw);
	}

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
28
34.57%
1
20.00%
jeff kirsher
jeff kirsher
26
32.10%
1
20.00%
scott feldman
scott feldman
14
17.28%
1
20.00%
joe perches
joe perches
10
12.35%
1
20.00%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
3.70%
1
20.00%
Total
81
100.00%
5
100.00%



static int e1000_get_coalesce(struct net_device *netdev,
			      struct ethtool_coalesce *ec)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);

	if (adapter->hw.mac_type < e1000_82545)
		return -EOPNOTSUPP;

	if (adapter->itr_setting <= 4)
		ec->rx_coalesce_usecs = adapter->itr_setting;
	else
		ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
jesse brandeburg
jesse brandeburg
70
100.00%
2
100.00%
Total
70
100.00%
2
100.00%



static int e1000_set_coalesce(struct net_device *netdev,
			      struct ethtool_coalesce *ec)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	if (hw->mac_type < e1000_82545)
		return -EOPNOTSUPP;

	if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
	    ((ec->rx_coalesce_usecs > 4) &&
	     (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
	    (ec->rx_coalesce_usecs == 2))
		return -EINVAL;

	if (ec->rx_coalesce_usecs == 4) {
		adapter->itr = adapter->itr_setting = 4;
	} else if (ec->rx_coalesce_usecs <= 3) {
		adapter->itr = 20000;
		adapter->itr_setting = ec->rx_coalesce_usecs;
	} else {
		adapter->itr = (1000000 / ec->rx_coalesce_usecs);
		adapter->itr_setting = adapter->itr & ~3;
	}

	if (adapter->itr_setting != 0)
		ew32(ITR, 1000000000 / (adapter->itr * 256));
	else
		ew32(ITR, 0);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
jesse brandeburg
jesse brandeburg
193
100.00%
2
100.00%
Total
193
100.00%
2
100.00%



static int e1000_nway_reset(struct net_device *netdev)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);

	if (netif_running(netdev))
		e1000_reinit_locked(adapter);
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
19
52.78%
1
25.00%
scott feldman
scott feldman
13
36.11%
1
25.00%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
8.33%
1
25.00%
auke kok
auke kok
1
2.78%
1
25.00%
Total
36
100.00%
4
100.00%



static void e1000_get_ethtool_stats(struct net_device *netdev,
				    struct ethtool_stats *stats, u64 *data)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	int i;
	char *p = NULL;
	const struct e1000_stats *stat = e1000_gstrings_stats;

	e1000_update_stats(adapter);
	for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
		switch (stat->type) {
		case NETDEV_STATS:
			p = (char *)netdev + stat->stat_offset;
			break;
		case E1000_STATS:
			p = (char *)adapter + stat->stat_offset;
			break;
		default:
			WARN_ONCE(1, "Invalid E1000 stat type: %u index %d\n",
				  stat->type, i);
			break;
		}

		if (stat->sizeof_stat == sizeof(u64))
			data[i] = *(u64 *)p;
		else
			data[i] = *(u32 *)p;

		stat++;
	}
/* BUG_ON(i != E1000_STATS_LEN); */
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
69
42.59%
1
12.50%
krzysztof majzerowicz-jaszcz
krzysztof majzerowicz-jaszcz
49
30.25%
1
12.50%
ajit khaparde
ajit khaparde
30
18.52%
1
12.50%
scott feldman
scott feldman
5
3.09%
1
12.50%
joe perches
joe perches
4
2.47%
1
12.50%
mallikarjuna r chilakala
mallikarjuna r chilakala
3
1.85%
1
12.50%
jeff kirsher
jeff kirsher
2
1.23%
2
25.00%
Total
162
100.00%
8
100.00%



static void e1000_get_strings(struct net_device *netdev, u32 stringset,
			      u8 *data)
{
	u8 *p = data;
	int i;

	switch (stringset) {
	case ETH_SS_TEST:
		memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
		break;
	case ETH_SS_STATS:
		for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
			memcpy(p, e1000_gstrings_stats[i].stat_string,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}
		/* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
		break;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
55
63.22%
1
16.67%
jeff kirsher
jeff kirsher
13
14.94%
2
33.33%
scott feldman
scott feldman
12
13.79%
1
16.67%
roel kluin
roel kluin
4
4.60%
1
16.67%
joe perches
joe perches
3
3.45%
1
16.67%
Total
87
100.00%
6
100.00%


static const struct ethtool_ops e1000_ethtool_ops = {
	.get_settings		= e1000_get_settings,
	.set_settings		= e1000_set_settings,
	.get_drvinfo		= e1000_get_drvinfo,
	.get_regs_len		= e1000_get_regs_len,
	.get_regs		= e1000_get_regs,
	.get_wol		= e1000_get_wol,
	.set_wol		= e1000_set_wol,
	.get_msglevel		= e1000_get_msglevel,
	.set_msglevel		= e1000_set_msglevel,
	.nway_reset		= e1000_nway_reset,
	.get_link		= e1000_get_link,
	.get_eeprom_len		= e1000_get_eeprom_len,
	.get_eeprom		= e1000_get_eeprom,
	.set_eeprom		= e1000_set_eeprom,
	.get_ringparam		= e1000_get_ringparam,
	.set_ringparam		= e1000_set_ringparam,
	.get_pauseparam		= e1000_get_pauseparam,
	.set_pauseparam		= e1000_set_pauseparam,
	.self_test		= e1000_diag_test,
	.get_strings		= e1000_get_strings,
	.set_phys_id		= e1000_set_phys_id,
	.get_ethtool_stats	= e1000_get_ethtool_stats,
	.get_sset_count		= e1000_get_sset_count,
	.get_coalesce		= e1000_get_coalesce,
	.set_coalesce		= e1000_set_coalesce,
	.get_ts_info		= ethtool_op_get_ts_info,
};



void e1000_set_ethtool_ops(struct net_device *netdev)
{
	netdev->ethtool_ops = &e1000_ethtool_ops;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
12
70.59%
1
25.00%
wilfried klaebe
wilfried klaebe
3
17.65%
1
25.00%
jeff garzik
jeff garzik
2
11.76%
2
50.00%
Total
17
100.00%
4
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
ganesh venkatesan
ganesh venkatesan
4206
45.00%
6
5.04%
jeb cramer
jeb cramer
1213
12.98%
4
3.36%
jesse brandeburg
jesse brandeburg
727
7.78%
11
9.24%
joe perches
joe perches
669
7.16%
6
5.04%
scott feldman
scott feldman
534
5.71%
14
11.76%
jeff garzik
jeff garzik
478
5.11%
6
5.04%
mallikarjuna r chilakala
mallikarjuna r chilakala
467
5.00%
11
9.24%
jeff kirsher
jeff kirsher
259
2.77%
14
11.76%
auke kok
auke kok
147
1.57%
8
6.72%
nicholas nunley
nicholas nunley
92
0.98%
2
1.68%
krzysztof majzerowicz-jaszcz
krzysztof majzerowicz-jaszcz
62
0.66%
1
0.84%
christoph paasch
christoph paasch
59
0.63%
1
0.84%
ajit khaparde
ajit khaparde
57
0.61%
2
1.68%
florian westphal
florian westphal
51
0.55%
3
2.52%
mitch a williams
mitch a williams
50
0.53%
1
0.84%
yan burman
yan burman
38
0.41%
1
0.84%
rafael j. wysocki
rafael j. wysocki
36
0.39%
1
0.84%
vasily averin
vasily averin
30
0.32%
1
0.84%
john w. linville
john w. linville
29
0.31%
2
1.68%
emil tantilov
emil tantilov
28
0.30%
2
1.68%
david decotigny
david decotigny
20
0.21%
3
2.52%
rick jones
rick jones
20
0.21%
1
0.84%
christopher goldfarb
christopher goldfarb
19
0.20%
2
1.68%
milind arun choudhary
milind arun choudhary
15
0.16%
1
0.84%
asaf vertz
asaf vertz
7
0.07%
1
0.84%
richard cochran
richard cochran
5
0.05%
1
0.84%
manuel scholling
manuel scholling
5
0.05%
1
0.84%
roel kluin
roel kluin
4
0.04%
1
0.84%
wilfried klaebe
wilfried klaebe
3
0.03%
1
0.84%
chris wright
chris wright
3
0.03%
1
0.84%
thomas gleixner
thomas gleixner
2
0.02%
1
0.84%
jeb j. cramer
jeb j. cramer
2
0.02%
1
0.84%
jiri pirko
jiri pirko
2
0.02%
1
0.84%
stefan assmann
stefan assmann
2
0.02%
1
0.84%
adrian bunk
adrian bunk
1
0.01%
1
0.84%
alejandro martinez ruiz
alejandro martinez ruiz
1
0.01%
1
0.84%
cheng renquan
cheng renquan
1
0.01%
1
0.84%
masanari iida
masanari iida
1
0.01%
1
0.84%
anton blanchard
anton blanchard
1
0.01%
1
0.84%
Total
9346
100.00%
119
100.00%
  
Directory: drivers/net/ethernet/intel/e1000

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