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

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     3

  Intel PRO/1000 Linux driver

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  Copyright(c) 1999 - 2006 Intel Corporation.

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  This program is free software; you can redistribute it and/or modify it

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  under the terms and conditions of the GNU General Public License,

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  version 2, as published by the Free Software Foundation.

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  This program is distributed in the hope it will be useful, but WITHOUT

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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

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  more details.

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  You should have received a copy of the GNU General Public License along with

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  this program; if not, write to the Free Software Foundation, Inc.,

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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

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  The full GNU General Public License is included in this distribution in

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  the file called "COPYING".

    21

    22

  Contact Information:

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  Linux NICS <linux.nics@intel.com>

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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>

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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

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

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/* ethtool support for e1000 */

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#include "e1000-3.0-ethercat.h"

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#include <asm/uaccess.h>

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    34

enum {NETDEV_STATS, E1000_STATS};

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    36

struct e1000_stats {

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	char stat_string[ETH_GSTRING_LEN];

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	int type;

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	int sizeof_stat;

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	int stat_offset;

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};

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#define E1000_STAT(m)		E1000_STATS, \

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				sizeof(((struct e1000_adapter *)0)->m), \

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		      		offsetof(struct e1000_adapter, m)

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#define E1000_NETDEV_STAT(m)	NETDEV_STATS, \

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				sizeof(((struct net_device *)0)->m), \

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				offsetof(struct net_device, m)

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static const struct e1000_stats e1000_gstrings_stats[] = {

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	{ "rx_packets", E1000_STAT(stats.gprc) },

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	{ "tx_packets", E1000_STAT(stats.gptc) },

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	{ "rx_bytes", E1000_STAT(stats.gorcl) },

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	{ "tx_bytes", E1000_STAT(stats.gotcl) },

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	{ "rx_broadcast", E1000_STAT(stats.bprc) },

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	{ "tx_broadcast", E1000_STAT(stats.bptc) },

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	{ "rx_multicast", E1000_STAT(stats.mprc) },

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	{ "tx_multicast", E1000_STAT(stats.mptc) },

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	{ "rx_errors", E1000_STAT(stats.rxerrc) },

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	{ "tx_errors", E1000_STAT(stats.txerrc) },

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	{ "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },

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	{ "multicast", E1000_STAT(stats.mprc) },

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	{ "collisions", E1000_STAT(stats.colc) },

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	{ "rx_length_errors", E1000_STAT(stats.rlerrc) },

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	{ "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },

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	{ "rx_crc_errors", E1000_STAT(stats.crcerrs) },

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	{ "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },

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	{ "rx_no_buffer_count", E1000_STAT(stats.rnbc) },

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	{ "rx_missed_errors", E1000_STAT(stats.mpc) },

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	{ "tx_aborted_errors", E1000_STAT(stats.ecol) },

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	{ "tx_carrier_errors", E1000_STAT(stats.tncrs) },

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	{ "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },

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	{ "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },

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	{ "tx_window_errors", E1000_STAT(stats.latecol) },

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	{ "tx_abort_late_coll", E1000_STAT(stats.latecol) },

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	{ "tx_deferred_ok", E1000_STAT(stats.dc) },

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	{ "tx_single_coll_ok", E1000_STAT(stats.scc) },

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	{ "tx_multi_coll_ok", E1000_STAT(stats.mcc) },

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	{ "tx_timeout_count", E1000_STAT(tx_timeout_count) },

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	{ "tx_restart_queue", E1000_STAT(restart_queue) },

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	{ "rx_long_length_errors", E1000_STAT(stats.roc) },

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	{ "rx_short_length_errors", E1000_STAT(stats.ruc) },

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	{ "rx_align_errors", E1000_STAT(stats.algnerrc) },

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	{ "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },

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	{ "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },

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	{ "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },

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	{ "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },

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	{ "tx_flow_control_xon", E1000_STAT(stats.xontxc) },

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	{ "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },

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	{ "rx_long_byte_count", E1000_STAT(stats.gorcl) },

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	{ "rx_csum_offload_good", E1000_STAT(hw_csum_good) },

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	{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },

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	{ "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },

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	{ "tx_smbus", E1000_STAT(stats.mgptc) },

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	{ "rx_smbus", E1000_STAT(stats.mgprc) },

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	{ "dropped_smbus", E1000_STAT(stats.mgpdc) },

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};

    98

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#define E1000_QUEUE_STATS_LEN 0

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#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)

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#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)

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static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {

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	"Register test  (offline)", "Eeprom test    (offline)",

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	"Interrupt test (offline)", "Loopback test  (offline)",

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	"Link test   (on/offline)"

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};

   107

#define E1000_TEST_LEN	ARRAY_SIZE(e1000_gstrings_test)

   108

   109

static int e1000_get_settings(struct net_device *netdev,

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			      struct ethtool_cmd *ecmd)

   111

{

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	struct e1000_adapter *adapter = netdev_priv(netdev);

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	struct e1000_hw *hw = &adapter->hw;

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   115

	if (hw->media_type == e1000_media_type_copper) {

   116

   117

		ecmd->supported = (SUPPORTED_10baseT_Half |

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		                   SUPPORTED_10baseT_Full |

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		                   SUPPORTED_100baseT_Half |

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		                   SUPPORTED_100baseT_Full |

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		                   SUPPORTED_1000baseT_Full|

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		                   SUPPORTED_Autoneg |

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		                   SUPPORTED_TP);

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		ecmd->advertising = ADVERTISED_TP;

   125

   126

		if (hw->autoneg == 1) {

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			ecmd->advertising |= ADVERTISED_Autoneg;

   128

			/* the e1000 autoneg seems to match ethtool nicely */

   129

			ecmd->advertising |= hw->autoneg_advertised;

   130

		}

   131

   132

		ecmd->port = PORT_TP;

   133

		ecmd->phy_address = hw->phy_addr;

   134

   135

		if (hw->mac_type == e1000_82543)

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			ecmd->transceiver = XCVR_EXTERNAL;

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		else

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			ecmd->transceiver = XCVR_INTERNAL;

   139

   140

	} else {

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		ecmd->supported   = (SUPPORTED_1000baseT_Full |

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				     SUPPORTED_FIBRE |

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				     SUPPORTED_Autoneg);

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		ecmd->advertising = (ADVERTISED_1000baseT_Full |

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				     ADVERTISED_FIBRE |

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				     ADVERTISED_Autoneg);

   148

   149

		ecmd->port = PORT_FIBRE;

   150

   151

		if (hw->mac_type >= e1000_82545)

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			ecmd->transceiver = XCVR_INTERNAL;

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		else

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			ecmd->transceiver = XCVR_EXTERNAL;

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	}

   156

   157

	if (er32(STATUS) & E1000_STATUS_LU) {

   158

   159

		e1000_get_speed_and_duplex(hw, &adapter->link_speed,

   160

		                                   &adapter->link_duplex);

   161

		ethtool_cmd_speed_set(ecmd, adapter->link_speed);

   162

   163

		/* unfortunately FULL_DUPLEX != DUPLEX_FULL

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		 *          and HALF_DUPLEX != DUPLEX_HALF */

   165

   166

		if (adapter->link_duplex == FULL_DUPLEX)

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			ecmd->duplex = DUPLEX_FULL;

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		else

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			ecmd->duplex = DUPLEX_HALF;

   170

	} else {

   171

		ethtool_cmd_speed_set(ecmd, -1);

   172

		ecmd->duplex = -1;

   173

	}

   174

   175

	ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||

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			 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;

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	return 0;

   178

}

   179

   180

static int e1000_set_settings(struct net_device *netdev,

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			      struct ethtool_cmd *ecmd)

   182

{

   183

	struct e1000_adapter *adapter = netdev_priv(netdev);

   184

	struct e1000_hw *hw = &adapter->hw;

   185

   186

	if (adapter->ecdev)

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		return -EBUSY;

   188

   189

	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))

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		msleep(1);

   191

   192

	if (ecmd->autoneg == AUTONEG_ENABLE) {

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		hw->autoneg = 1;

   194

		if (hw->media_type == e1000_media_type_fiber)

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			hw->autoneg_advertised = ADVERTISED_1000baseT_Full |

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				     ADVERTISED_FIBRE |

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				     ADVERTISED_Autoneg;

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		else

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			hw->autoneg_advertised = ecmd->advertising |

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			                         ADVERTISED_TP |

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			                         ADVERTISED_Autoneg;

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		ecmd->advertising = hw->autoneg_advertised;

   203

	} else {

   204

		u32 speed = ethtool_cmd_speed(ecmd);

   205

		if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {

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			clear_bit(__E1000_RESETTING, &adapter->flags);

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			return -EINVAL;

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		}

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	}

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	/* reset the link */

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   213

	if (netif_running(adapter->netdev)) {

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		e1000_down(adapter);

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		e1000_up(adapter);

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	} else

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		e1000_reset(adapter);

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	clear_bit(__E1000_RESETTING, &adapter->flags);

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	return 0;

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}

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   223

static u32 e1000_get_link(struct net_device *netdev)

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{

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	struct e1000_adapter *adapter = netdev_priv(netdev);

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	/*

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	 * If the link is not reported up to netdev, interrupts are disabled,

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	 * and so the physical link state may have changed since we last

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	 * looked. Set get_link_status to make sure that the true link

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	 * state is interrogated, rather than pulling a cached and possibly

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	 * stale link state from the driver.

   233

	 */

   234

	if (!netif_carrier_ok(netdev))

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		adapter->hw.get_link_status = 1;

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	return e1000_has_link(adapter);

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}

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static void e1000_get_pauseparam(struct net_device *netdev,

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				 struct ethtool_pauseparam *pause)

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{

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	struct e1000_adapter *adapter = netdev_priv(netdev);

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	struct e1000_hw *hw = &adapter->hw;

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   246

	pause->autoneg =

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		(adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);

   248

   249

	if (hw->fc == E1000_FC_RX_PAUSE)

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		pause->rx_pause = 1;

   251

	else if (hw->fc == E1000_FC_TX_PAUSE)

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		pause->tx_pause = 1;

   253

	else if (hw->fc == E1000_FC_FULL) {

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		pause->rx_pause = 1;

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		pause->tx_pause = 1;

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	}

   257

}

   258

   259

static int e1000_set_pauseparam(struct net_device *netdev,

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				struct ethtool_pauseparam *pause)

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{

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	struct e1000_adapter *adapter = netdev_priv(netdev);

   263

	struct e1000_hw *hw = &adapter->hw;

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	int retval = 0;

   265

   266

	if (adapter->ecdev)

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		return -EBUSY;

   268

   269

	adapter->fc_autoneg = pause->autoneg;

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   271

	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))

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		msleep(1);

   273

   274

	if (pause->rx_pause && pause->tx_pause)

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		hw->fc = E1000_FC_FULL;

   276

	else if (pause->rx_pause && !pause->tx_pause)

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		hw->fc = E1000_FC_RX_PAUSE;

   278

	else if (!pause->rx_pause && pause->tx_pause)

   279

		hw->fc = E1000_FC_TX_PAUSE;

   280

	else if (!pause->rx_pause && !pause->tx_pause)

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		hw->fc = E1000_FC_NONE;

   282

   283

	hw->original_fc = hw->fc;

   284

   285

	if (adapter->fc_autoneg == AUTONEG_ENABLE) {

   286

		if (netif_running(adapter->netdev)) {

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			e1000_down(adapter);

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			e1000_up(adapter);

   289

		} else

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			e1000_reset(adapter);

   291

	} else

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		retval = ((hw->media_type == e1000_media_type_fiber) ?

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			  e1000_setup_link(hw) : e1000_force_mac_fc(hw));

   294

   295

	clear_bit(__E1000_RESETTING, &adapter->flags);

   296

	return retval;

   297

}

   298

   299

static u32 e1000_get_rx_csum(struct net_device *netdev)

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{

   301

	struct e1000_adapter *adapter = netdev_priv(netdev);

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	return adapter->rx_csum;

   303

}

   304

   305

static int e1000_set_rx_csum(struct net_device *netdev, u32 data)

   306

{

   307

	struct e1000_adapter *adapter = netdev_priv(netdev);

   308

   309

	if (adapter->ecdev)

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		return -EBUSY;

   311

   312

	adapter->rx_csum = data;

   313

   314

	if (netif_running(netdev))

   315

		e1000_reinit_locked(adapter);

   316

	else

   317

		e1000_reset(adapter);

   318

	return 0;

   319

}

   320

   321

static u32 e1000_get_tx_csum(struct net_device *netdev)

   322

{

   323

	return (netdev->features & NETIF_F_HW_CSUM) != 0;

   324

}

   325

   326

static int e1000_set_tx_csum(struct net_device *netdev, u32 data)

   327

{

   328

	struct e1000_adapter *adapter = netdev_priv(netdev);

   329

	struct e1000_hw *hw = &adapter->hw;

   330

   331

	if (hw->mac_type < e1000_82543) {

   332

		if (!data)

   333

			return -EINVAL;

   334

		return 0;

   335

	}

   336

   337

	if (data)

   338

		netdev->features |= NETIF_F_HW_CSUM;

   339

	else

   340

		netdev->features &= ~NETIF_F_HW_CSUM;

   341

   342

	return 0;

   343

}

   344

   345

static int e1000_set_tso(struct net_device *netdev, u32 data)

   346

{

   347

	struct e1000_adapter *adapter = netdev_priv(netdev);

   348

	struct e1000_hw *hw = &adapter->hw;

   349

   350

	if ((hw->mac_type < e1000_82544) ||

   351

	    (hw->mac_type == e1000_82547))

   352

		return data ? -EINVAL : 0;

   353

   354

	if (data)

   355

		netdev->features |= NETIF_F_TSO;

   356

	else

   357

		netdev->features &= ~NETIF_F_TSO;

   358

   359

	netdev->features &= ~NETIF_F_TSO6;

   360

   361

	e_info(probe, "TSO is %s\n", data ? "Enabled" : "Disabled");

   362

	adapter->tso_force = true;

   363

	return 0;

   364

}

   365

   366

static u32 e1000_get_msglevel(struct net_device *netdev)

   367

{

   368

	struct e1000_adapter *adapter = netdev_priv(netdev);

   369

	return adapter->msg_enable;

   370

}

   371

   372

static void e1000_set_msglevel(struct net_device *netdev, u32 data)

   373

{

   374

	struct e1000_adapter *adapter = netdev_priv(netdev);

   375

	adapter->msg_enable = data;

   376

}

   377

   378

static int e1000_get_regs_len(struct net_device *netdev)

   379

{

   380

#define E1000_REGS_LEN 32

   381

	return E1000_REGS_LEN * sizeof(u32);

   382

}

   383

   384

static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,

   385

			   void *p)

   386

{

   387

	struct e1000_adapter *adapter = netdev_priv(netdev);

   388

	struct e1000_hw *hw = &adapter->hw;

   389

	u32 *regs_buff = p;

   390

	u16 phy_data;

   391

   392

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

   393

   394

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

   395

   396

	regs_buff[0]  = er32(CTRL);

   397

	regs_buff[1]  = er32(STATUS);

   398

   399

	regs_buff[2]  = er32(RCTL);

   400

	regs_buff[3]  = er32(RDLEN);

   401

	regs_buff[4]  = er32(RDH);

   402

	regs_buff[5]  = er32(RDT);

   403

	regs_buff[6]  = er32(RDTR);

   404

   405

	regs_buff[7]  = er32(TCTL);

   406

	regs_buff[8]  = er32(TDLEN);

   407

	regs_buff[9]  = er32(TDH);

   408

	regs_buff[10] = er32(TDT);

   409

	regs_buff[11] = er32(TIDV);

   410

   411

	regs_buff[12] = hw->phy_type;  /* PHY type (IGP=1, M88=0) */

   412

	if (hw->phy_type == e1000_phy_igp) {

   413

		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,

   414

				    IGP01E1000_PHY_AGC_A);

   415

		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &

   416

				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);

   417

		regs_buff[13] = (u32)phy_data; /* cable length */

   418

		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,

   419

				    IGP01E1000_PHY_AGC_B);

   420

		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &

   421

				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);

   422

		regs_buff[14] = (u32)phy_data; /* cable length */

   423

		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,

   424

				    IGP01E1000_PHY_AGC_C);

   425

		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &

   426

				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);

   427

		regs_buff[15] = (u32)phy_data; /* cable length */

   428

		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,

   429

				    IGP01E1000_PHY_AGC_D);

   430

		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &

   431

				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);

   432

		regs_buff[16] = (u32)phy_data; /* cable length */

   433

		regs_buff[17] = 0; /* extended 10bt distance (not needed) */

   434

		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);

   435

		e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &

   436

				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);

   437

		regs_buff[18] = (u32)phy_data; /* cable polarity */

   438

		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,

   439

				    IGP01E1000_PHY_PCS_INIT_REG);

   440

		e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &

   441

				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);

   442

		regs_buff[19] = (u32)phy_data; /* cable polarity */

   443

		regs_buff[20] = 0; /* polarity correction enabled (always) */

   444

		regs_buff[22] = 0; /* phy receive errors (unavailable) */

   445

		regs_buff[23] = regs_buff[18]; /* mdix mode */

   446

		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);

   447

	} else {

   448

		e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);

   449

		regs_buff[13] = (u32)phy_data; /* cable length */

   450

		regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */

   451

		regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */

   452

		regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */

   453

		e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);

   454

		regs_buff[17] = (u32)phy_data; /* extended 10bt distance */

   455

		regs_buff[18] = regs_buff[13]; /* cable polarity */

   456

		regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */

   457

		regs_buff[20] = regs_buff[17]; /* polarity correction */

   458

		/* phy receive errors */

   459

		regs_buff[22] = adapter->phy_stats.receive_errors;

   460

		regs_buff[23] = regs_buff[13]; /* mdix mode */

   461

	}

   462

	regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */

   463

	e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);

   464

	regs_buff[24] = (u32)phy_data;  /* phy local receiver status */

   465

	regs_buff[25] = regs_buff[24];  /* phy remote receiver status */

   466

	if (hw->mac_type >= e1000_82540 &&

   467

	    hw->media_type == e1000_media_type_copper) {

   468

		regs_buff[26] = er32(MANC);

   469

	}

   470

}

   471

   472

static int e1000_get_eeprom_len(struct net_device *netdev)

   473

{

   474

	struct e1000_adapter *adapter = netdev_priv(netdev);

   475

	struct e1000_hw *hw = &adapter->hw;

   476

   477

	return hw->eeprom.word_size * 2;

   478

}

   479

   480

static int e1000_get_eeprom(struct net_device *netdev,

   481

			    struct ethtool_eeprom *eeprom, u8 *bytes)

   482

{

   483

	struct e1000_adapter *adapter = netdev_priv(netdev);

   484

	struct e1000_hw *hw = &adapter->hw;

   485

	u16 *eeprom_buff;

   486

	int first_word, last_word;

   487

	int ret_val = 0;

   488

	u16 i;

   489

   490

	if (eeprom->len == 0)

   491

		return -EINVAL;

   492

   493

	eeprom->magic = hw->vendor_id | (hw->device_id << 16);

   494

   495

	first_word = eeprom->offset >> 1;

   496

	last_word = (eeprom->offset + eeprom->len - 1) >> 1;

   497

   498

	eeprom_buff = kmalloc(sizeof(u16) *

   499

			(last_word - first_word + 1), GFP_KERNEL);

   500

	if (!eeprom_buff)

   501

		return -ENOMEM;

   502

   503

	if (hw->eeprom.type == e1000_eeprom_spi)

   504

		ret_val = e1000_read_eeprom(hw, first_word,

   505

					    last_word - first_word + 1,

   506

					    eeprom_buff);

   507

	else {

   508

		for (i = 0; i < last_word - first_word + 1; i++) {

   509

			ret_val = e1000_read_eeprom(hw, first_word + i, 1,

   510

						    &eeprom_buff[i]);

   511

			if (ret_val)

   512

				break;

   513

		}

   514

	}

   515

   516

	/* Device's eeprom is always little-endian, word addressable */

   517

	for (i = 0; i < last_word - first_word + 1; i++)

   518

		le16_to_cpus(&eeprom_buff[i]);

   519

   520

	memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),

   521

			eeprom->len);

   522

	kfree(eeprom_buff);

   523

   524

	return ret_val;

   525

}

   526

   527

static int e1000_set_eeprom(struct net_device *netdev,

   528

			    struct ethtool_eeprom *eeprom, u8 *bytes)

   529

{