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

  Intel 10 Gigabit PCI Express Linux driver
  Copyright(c) 1999 - 2012 Intel Corporation.

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  more details.

  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

  Contact Information:
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

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

#include "ixgbe.h"
#include "ixgbe_common.h"
#include "ixgbe_type.h"

#ifdef IXGBE_PROCFS
#ifndef IXGBE_SYSFS

#include <linux/module.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/device.h>
#include <linux/netdevice.h>

static struct proc_dir_entry *ixgbe_top_dir = NULL;

static struct net_device_stats *procfs_get_stats(struct net_device *netdev)
{
#ifndef HAVE_NETDEV_STATS_IN_NETDEV
	struct ixgbe_adapter *adapter;
#endif
	if (netdev == NULL)
		return NULL;

#ifdef HAVE_NETDEV_STATS_IN_NETDEV
	/* only return the current stats */
	return &netdev->stats;
#else
	adapter = netdev_priv(netdev);

	/* only return the current stats */
	return &adapter->net_stats;
#endif /* HAVE_NETDEV_STATS_IN_NETDEV */
}

bool ixgbe_thermal_present(struct ixgbe_adapter *adapter)
{
	s32 status;
	if (adapter == NULL)
		return false;
	status = ixgbe_init_thermal_sensor_thresh_generic(&(adapter->hw));
	if (status != 0)
		return false;

	return true;
}

static int ixgbe_fwbanner(char *page, char **start, off_t off, int count,
			 int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	return snprintf(page, count, "%s\n", adapter->eeprom_id);
}

static int ixgbe_porttype(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	return snprintf(page, count, "%d\n",
			test_bit(__IXGBE_DOWN, &adapter->state));
}

static int ixgbe_portspeed(char *page, char **start, off_t off,
			   int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	int speed = 0;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	switch (adapter->link_speed) {
	case IXGBE_LINK_SPEED_100_FULL:
		speed = 1;
		break;
	case IXGBE_LINK_SPEED_1GB_FULL:
		speed = 10;
		break;
	case IXGBE_LINK_SPEED_10GB_FULL:
		speed = 100;
		break;
	}
	return snprintf(page, count, "%d\n", speed);
}

static int ixgbe_wqlflag(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	return snprintf(page, count, "%d\n", adapter->wol);
}

static int ixgbe_xflowctl(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct ixgbe_hw *hw;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	return snprintf(page, count, "%d\n", hw->fc.current_mode);
}

static int ixgbe_rxdrops(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device_stats *net_stats;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	net_stats  = procfs_get_stats(adapter->netdev);
	if (net_stats == NULL)
		return snprintf(page, count, "error: no net stats\n");

	return snprintf(page, count, "%lu\n",
			net_stats->rx_dropped);
}

static int ixgbe_rxerrors(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device_stats *net_stats;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	net_stats  = procfs_get_stats(adapter->netdev);
	if (net_stats == NULL)
		return snprintf(page, count, "error: no net stats\n");

	return snprintf(page, count, "%lu\n", net_stats->rx_errors);
}

static int ixgbe_rxupacks(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_hw *hw;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	return snprintf(page, count, "%d\n", IXGBE_READ_REG(hw, IXGBE_TPR));
}

static int ixgbe_rxmpacks(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_hw *hw;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	return snprintf(page, count, "%d\n", IXGBE_READ_REG(hw, IXGBE_MPRC));
}

static int ixgbe_rxbpacks(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_hw *hw;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	return snprintf(page, count, "%d\n", IXGBE_READ_REG(hw, IXGBE_BPRC));
}

static int ixgbe_txupacks(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_hw *hw;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	return snprintf(page, count, "%d\n", IXGBE_READ_REG(hw, IXGBE_TPT));
}

static int ixgbe_txmpacks(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_hw *hw;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	return snprintf(page, count, "%d\n", IXGBE_READ_REG(hw, IXGBE_MPTC));
}

static int ixgbe_txbpacks(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_hw *hw;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	return snprintf(page, count, "%d\n", IXGBE_READ_REG(hw, IXGBE_BPTC));
}

static int ixgbe_txerrors(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device_stats *net_stats;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	net_stats  = procfs_get_stats(adapter->netdev);
	if (net_stats == NULL)
		return snprintf(page, count, "error: no net stats\n");

	return snprintf(page, count, "%lu\n",
			net_stats->tx_errors);
}

static int ixgbe_txdrops(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device_stats *net_stats;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	net_stats  = procfs_get_stats(adapter->netdev);
	if (net_stats == NULL)
		return snprintf(page, count, "error: no net stats\n");

	return snprintf(page, count, "%lu\n",
			net_stats->tx_dropped);
}

static int ixgbe_rxframes(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device_stats *net_stats;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	net_stats  = procfs_get_stats(adapter->netdev);
	if (net_stats == NULL)
		return snprintf(page, count, "error: no net stats\n");

	return snprintf(page, count, "%lu\n",
			net_stats->rx_packets);
}

static int ixgbe_rxbytes(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device_stats *net_stats;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	net_stats  = procfs_get_stats(adapter->netdev);
	if (net_stats == NULL)
		return snprintf(page, count, "error: no net stats\n");

	return snprintf(page, count, "%lu\n",
			net_stats->rx_bytes);
}

static int ixgbe_txframes(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device_stats *net_stats;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	net_stats  = procfs_get_stats(adapter->netdev);
	if (net_stats == NULL)
		return snprintf(page, count, "error: no net stats\n");

	return snprintf(page, count, "%lu\n",
			net_stats->tx_packets);
}

static int ixgbe_txbytes(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device_stats *net_stats;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	net_stats  = procfs_get_stats(adapter->netdev);
	if (net_stats == NULL)
		return snprintf(page, count, "error: no net stats\n");

	return snprintf(page, count, "%lu\n",
			net_stats->tx_bytes);
}

static int ixgbe_linkstat(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	u32 link_speed;
	bool link_up = false;
	int bitmask = 0;
	struct ixgbe_hw *hw;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");


	if (test_bit(__IXGBE_DOWN, &adapter->state))
		bitmask |= 1;

	if (hw->mac.ops.check_link)
		hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
	else
		/* always assume link is up, if no check link function */
		link_up = true;
	if (link_up)
		bitmask |= 2;
	return snprintf(page, count, "0x%X\n", bitmask);
}

static int ixgbe_funcid(char *page, char **start, off_t off,
			int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct ixgbe_hw *hw;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	return snprintf(page, count, "0x%X\n", hw->bus.func);
}

static int ixgbe_funcvers(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	return snprintf(page, count, "%s\n", ixgbe_driver_version);
}

static int ixgbe_macburn(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_hw *hw;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	return snprintf(page, count, "0x%X%X%X%X%X%X\n",
		       (unsigned int)hw->mac.perm_addr[0],
		       (unsigned int)hw->mac.perm_addr[1],
		       (unsigned int)hw->mac.perm_addr[2],
		       (unsigned int)hw->mac.perm_addr[3],
		       (unsigned int)hw->mac.perm_addr[4],
		       (unsigned int)hw->mac.perm_addr[5]);
}

static int ixgbe_macadmn(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_hw *hw;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	return snprintf(page, count, "0x%X%X%X%X%X%X\n",
		       (unsigned int)hw->mac.addr[0],
		       (unsigned int)hw->mac.addr[1],
		       (unsigned int)hw->mac.addr[2],
		       (unsigned int)hw->mac.addr[3],
		       (unsigned int)hw->mac.addr[4],
		       (unsigned int)hw->mac.addr[5]);
}

static int ixgbe_maclla1(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_hw *hw;
	u16 eeprom_buff[6];
	int first_word = 0x37;
	int word_count = 6;
	int rc;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	hw = &adapter->hw;
	if (hw == NULL)
		return snprintf(page, count, "error: no hw data\n");

	rc = ixgbe_read_eeprom_buffer(hw, first_word, word_count,
					   eeprom_buff);
	if (rc != 0)
		return snprintf(page, count, "error: reading buffer\n");

	switch (hw->bus.func) {
	case 0:
		return snprintf(page, count, "0x%04X%04X%04X\n",
				eeprom_buff[0],
				eeprom_buff[1],
				eeprom_buff[2]);
	case 1:
		return snprintf(page, count, "0x%04X%04X%04X\n",
				eeprom_buff[3],
				eeprom_buff[4],
				eeprom_buff[5]);
	}
	return snprintf(page, count, "unexpected port %d\n", hw->bus.func);
}

static int ixgbe_mtusize(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device *netdev;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	netdev = adapter->netdev;
	if (netdev == NULL)
		return snprintf(page, count, "error: no net device\n");

	return snprintf(page, count, "%d\n", netdev->mtu);
}

static int ixgbe_featflag(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	int bitmask = 0;
#ifndef HAVE_NDO_SET_FEATURES
	struct ixgbe_ring *ring;
#endif
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device *netdev;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	netdev = adapter->netdev;
	if (netdev == NULL)
		return snprintf(page, count, "error: no net device\n");

#ifndef HAVE_NDO_SET_FEATURES
	/* ixgbe_get_rx_csum(netdev) doesn't compile so hard code */
	ring = adapter->rx_ring[0];
	bitmask = test_bit(__IXGBE_RX_CSUM_ENABLED, &ring->state);
	return snprintf(page, count, "%d\n", bitmask);
#else
	if (adapter->netdev->features & NETIF_F_RXCSUM)
		bitmask |= 1;
	return snprintf(page, count, "%d\n", bitmask);
#endif
}

static int ixgbe_lsominct(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	return snprintf(page, count, "%d\n", 1);
}

static int ixgbe_prommode(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	struct net_device *netdev;

	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");
	netdev = adapter->netdev;
	if (netdev == NULL)
		return snprintf(page, count, "error: no net device\n");

	return snprintf(page, count, "%d\n",
			netdev->flags & IFF_PROMISC);
}

static int ixgbe_txdscqsz(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	return snprintf(page, count, "%d\n", adapter->tx_ring[0]->count);
}

static int ixgbe_rxdscqsz(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	return snprintf(page, count, "%d\n", adapter->rx_ring[0]->count);
}

static int ixgbe_rxqavg(char *page, char **start, off_t off,
			int count, int *eof, void *data)
{
	int index;
	int diff = 0;
	u16 ntc;
	u16 ntu;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	for (index = 0; index < adapter->num_rx_queues; index++) {
		ntc = adapter->rx_ring[index]->next_to_clean;
		ntu = adapter->rx_ring[index]->next_to_use;

		if (ntc >= ntu)
			diff += (ntc - ntu);
		else
			diff += (adapter->rx_ring[index]->count - ntu + ntc);
	}
	if (adapter->num_rx_queues <= 0)
		return snprintf(page, count,
				"can't calculate, number of queues %d\n",
				adapter->num_rx_queues);
	return snprintf(page, count, "%d\n", diff/adapter->num_rx_queues);
}

static int ixgbe_txqavg(char *page, char **start, off_t off,
			int count, int *eof, void *data)
{
	int index;
	int diff = 0;
	u16 ntc;
	u16 ntu;
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	for (index = 0; index < adapter->num_tx_queues; index++) {
		ntc = adapter->tx_ring[index]->next_to_clean;
		ntu = adapter->tx_ring[index]->next_to_use;

		if (ntc >= ntu)
			diff += (ntc - ntu);
		else
			diff += (adapter->tx_ring[index]->count - ntu + ntc);
	}
	if (adapter->num_tx_queues <= 0)
		return snprintf(page, count,
				"can't calculate, number of queues %d\n",
				adapter->num_tx_queues);
	return snprintf(page, count, "%d\n",
			diff/adapter->num_tx_queues);
}

static int ixgbe_iovotype(char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	return snprintf(page, count, "2\n");
}

static int ixgbe_funcnbr(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	return snprintf(page, count, "%d\n", adapter->num_vfs);
}

static int ixgbe_pciebnbr(char *page, char **start, off_t off,
			 int count, int *eof, void *data)
{
	struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
	if (adapter == NULL)
		return snprintf(page, count, "error: no adapter\n");

	return snprintf(page, count, "%d\n", adapter->pdev->bus->number);
}

static int ixgbe_therm_location(char *page, char **start, off_t off,
				 int count, int *eof, void *data)
{
	struct ixgbe_therm_proc_data *therm_data =
		(struct ixgbe_therm_proc_data *)data;

	if (therm_data == NULL)
		return snprintf(page, count, "error: no therm_data\n");

	return snprintf(page, count, "%d\n", therm_data->sensor_data->location);
}


static int ixgbe_therm_maxopthresh(char *page, char **start, off_t off,
				    int count, int *eof, void *data)
{
	struct ixgbe_therm_proc_data *therm_data =
		(struct ixgbe_therm_proc_data *)data;

	if (therm_data == NULL)
		return snprintf(page, count, "error: no therm_data\n");

	return snprintf(page, count, "%d\n",
			therm_data->sensor_data->max_op_thresh);
}


static int ixgbe_therm_cautionthresh(char *page, char **start, off_t off,
				      int count, int *eof, void *data)
{
	struct ixgbe_therm_proc_data *therm_data =
		(struct ixgbe_therm_proc_data *)data;

	if (therm_data == NULL)
		return snprintf(page, count, "error: no therm_data\n");

	return snprintf(page, count, "%d\n",
			therm_data->sensor_data->caution_thresh);
}

static int ixgbe_therm_temp(char *page, char **start, off_t off,
			     int count, int *eof, void *data)
{
	s32 status;
	struct ixgbe_therm_proc_data *therm_data =
		(struct ixgbe_therm_proc_data *)data;

	if (therm_data == NULL)
		return snprintf(page, count, "error: no therm_data\n");

	status = ixgbe_get_thermal_sensor_data_generic(therm_data->hw);
	if (status != 0)
		snprintf(page, count, "error: status %d returned\n", status);

	return snprintf(page, count, "%d\n", therm_data->sensor_data->temp);
}


struct ixgbe_proc_type {
	char name[32];
	int (*read)(char*, char**, off_t, int, int*, void*);
};

struct ixgbe_proc_type ixgbe_proc_entries[] = {
	{"fwbanner", &ixgbe_fwbanner},
	{"porttype", &ixgbe_porttype},
	{"portspeed", &ixgbe_portspeed},
	{"wqlflag", &ixgbe_wqlflag},
	{"xflowctl", &ixgbe_xflowctl},
	{"rxdrops", &ixgbe_rxdrops},
	{"rxerrors", &ixgbe_rxerrors},
	{"rxupacks", &ixgbe_rxupacks},
	{"rxmpacks", &ixgbe_rxmpacks},
	{"rxbpacks", &ixgbe_rxbpacks},
	{"txdrops", &ixgbe_txdrops},
	{"txerrors", &ixgbe_txerrors},
	{"txupacks", &ixgbe_txupacks},
	{"txmpacks", &ixgbe_txmpacks},
	{"txbpacks", &ixgbe_txbpacks},
	{"rxframes", &ixgbe_rxframes},
	{"rxbytes", &ixgbe_rxbytes},
	{"txframes", &ixgbe_txframes},
	{"txbytes", &ixgbe_txbytes},
	{"linkstat", &ixgbe_linkstat},
	{"funcid", &ixgbe_funcid},
	{"funcvers", &ixgbe_funcvers},
	{"macburn", &ixgbe_macburn},
	{"macadmn", &ixgbe_macadmn},
	{"maclla1", &ixgbe_maclla1},
	{"mtusize", &ixgbe_mtusize},
	{"featflag", &ixgbe_featflag},
	{"lsominct", &ixgbe_lsominct},
	{"prommode", &ixgbe_prommode},
	{"txdscqsz", &ixgbe_txdscqsz},
	{"rxdscqsz", &ixgbe_rxdscqsz},
	{"txqavg", &ixgbe_txqavg},
	{"rxqavg", &ixgbe_rxqavg},
	{"iovotype", &ixgbe_iovotype},
	{"funcnbr", &ixgbe_funcnbr},
	{"pciebnbr", &ixgbe_pciebnbr},
	{"", NULL}
};

struct ixgbe_proc_type ixgbe_internal_entries[] = {
	{"location", &ixgbe_therm_location},
	{"temp", &ixgbe_therm_temp},
	{"cautionthresh", &ixgbe_therm_cautionthresh},
	{"maxopthresh", &ixgbe_therm_maxopthresh},
	{"", NULL}
};

void ixgbe_del_proc_entries(struct ixgbe_adapter *adapter)
{
	int index, i;
	char buf[16];	/* much larger than the sensor number will ever be */

	if (ixgbe_top_dir == NULL)
		return;

	for (i = 0; i < IXGBE_MAX_SENSORS; i++) {
		if (adapter->therm_dir[i] == NULL)
			continue;

		for (index = 0; ; index++) {
			if (ixgbe_internal_entries[index].read == NULL)
				break;

			 remove_proc_entry(ixgbe_internal_entries[index].name,
					   adapter->therm_dir[i]);
		}
		snprintf(buf, sizeof(buf), "sensor_%d", i);
		remove_proc_entry(buf, adapter->info_dir);
	}

	if (adapter->info_dir != NULL) {
		for (index = 0; ; index++) {
			if (ixgbe_proc_entries[index].read == NULL)
				break;
			remove_proc_entry(ixgbe_proc_entries[index].name,
					  adapter->info_dir);
		}
		remove_proc_entry("info", adapter->eth_dir);
	}

	if (adapter->eth_dir != NULL)
		remove_proc_entry(pci_name(adapter->pdev), ixgbe_top_dir);
}

/* called from ixgbe_main.c */
void ixgbe_procfs_exit(struct ixgbe_adapter *adapter)
{
	ixgbe_del_proc_entries(adapter);
}

int ixgbe_procfs_topdir_init()
{
	ixgbe_top_dir = proc_mkdir("driver/ixgbe", NULL);
	if (ixgbe_top_dir == NULL)
		return -ENOMEM;

	return 0;
}

void ixgbe_procfs_topdir_exit()
{
	remove_proc_entry("driver/ixgbe", NULL);
}

/* called from ixgbe_main.c */
int ixgbe_procfs_init(struct ixgbe_adapter *adapter)
{
	int rc = 0;
	int i;
	int index;
	char buf[16];	/* much larger than the sensor number will ever be */

	adapter->eth_dir = NULL;
	adapter->info_dir = NULL;
	for (i = 0; i < IXGBE_MAX_SENSORS; i++)
		adapter->therm_dir[i] = NULL;

	if (ixgbe_top_dir == NULL) {
		rc = -ENOMEM;
		goto fail;
	}

	adapter->eth_dir = proc_mkdir(pci_name(adapter->pdev), ixgbe_top_dir);
	if (adapter->eth_dir == NULL) {
		rc = -ENOMEM;
		goto fail;
	}

	adapter->info_dir = proc_mkdir("info", adapter->eth_dir);
	if (adapter->info_dir == NULL) {
		rc = -ENOMEM;
		goto fail;
	}
	for (index = 0; ; index++) {
		if (ixgbe_proc_entries[index].read == NULL)
			break;
		if (!(create_proc_read_entry(ixgbe_proc_entries[index].name,
					   0444,
					   adapter->info_dir,
					   ixgbe_proc_entries[index].read,
					   adapter))) {

			rc = -ENOMEM;
			goto fail;
		}
	}
	if (ixgbe_thermal_present(adapter) == false)
		goto exit;

	for (i = 0; i < IXGBE_MAX_SENSORS; i++) {

		if (adapter->hw.mac.thermal_sensor_data.sensor[i].location ==
		    0)
			continue;

		snprintf(buf, sizeof(buf), "sensor_%d", i);
		adapter->therm_dir[i] = proc_mkdir(buf, adapter->info_dir);
		if (adapter->therm_dir[i] == NULL) {
			rc = -ENOMEM;
			goto fail;
		}
		for (index = 0; ; index++) {
			if (ixgbe_internal_entries[index].read == NULL)
				break;
			/*
			 * therm_data struct contains pointer the read func
			 * will be needing
			 */
			adapter->therm_data[i].hw = &adapter->hw;
			adapter->therm_data[i].sensor_data =
				&adapter->hw.mac.thermal_sensor_data.sensor[i];

			if (!(create_proc_read_entry(
					   ixgbe_internal_entries[index].name,
					   0444,
					   adapter->therm_dir[i],
					   ixgbe_internal_entries[index].read,
					   &adapter->therm_data[i]))) {
				rc = -ENOMEM;
				goto fail;
			}
		}
	}
	goto exit;

fail:
	ixgbe_del_proc_entries(adapter);
exit:
	return rc;
}

#endif /* !IXGBE_SYSFS */
#endif /* IXGBE_PROCFS */