ixgbe_ethtool.c

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

  Intel 10 Gigabit PCI Express Linux driver
  Copyright(c) 1999 - 2011 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

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

/* ethtool support for ixgbe */

#include <linux/types.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/vmalloc.h>
#include <linux/uaccess.h>

#include "ixgbe.h"


#define IXGBE_ALL_RAR_ENTRIES 16

enum {NETDEV_STATS, IXGBE_STATS};

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

#define IXGBE_STAT(m)		IXGBE_STATS, \
				sizeof(((struct ixgbe_adapter *)0)->m), \
				offsetof(struct ixgbe_adapter, m)
#define IXGBE_NETDEV_STAT(m)	NETDEV_STATS, \
				sizeof(((struct rtnl_link_stats64 *)0)->m), \
				offsetof(struct rtnl_link_stats64, m)

static struct ixgbe_stats ixgbe_gstrings_stats[] = {
	{"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
	{"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
	{"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
	{"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
	{"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
	{"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
	{"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
	{"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
	{"lsc_int", IXGBE_STAT(lsc_int)},
	{"tx_busy", IXGBE_STAT(tx_busy)},
	{"non_eop_descs", IXGBE_STAT(non_eop_descs)},
	{"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
	{"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
	{"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
	{"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
	{"multicast", IXGBE_NETDEV_STAT(multicast)},
	{"broadcast", IXGBE_STAT(stats.bprc)},
	{"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
	{"collisions", IXGBE_NETDEV_STAT(collisions)},
	{"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
	{"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
	{"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
	{"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
	{"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
	{"fdir_match", IXGBE_STAT(stats.fdirmatch)},
	{"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
	{"fdir_overflow", IXGBE_STAT(fdir_overflow)},
	{"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
	{"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
	{"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
	{"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
	{"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
	{"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
	{"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
	{"tx_restart_queue", IXGBE_STAT(restart_queue)},
	{"rx_long_length_errors", IXGBE_STAT(stats.roc)},
	{"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
	{"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
	{"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
	{"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
	{"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
	{"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
	{"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
	{"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
	{"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
	{"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
	{"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
	{"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
	{"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
#ifdef IXGBE_FCOE
	{"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
	{"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
	{"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
	{"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
	{"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
	{"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
#endif /* IXGBE_FCOE */
};

#define IXGBE_QUEUE_STATS_LEN \
	((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
	((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
	(sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
#define IXGBE_PB_STATS_LEN ( \
                 (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
                 IXGBE_FLAG_DCB_ENABLED) ? \
                 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
                  sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
                  sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
                  sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
                  / sizeof(u64) : 0)
#define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
                         IXGBE_PB_STATS_LEN + \
                         IXGBE_QUEUE_STATS_LEN)

static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)", "Eeprom test    (offline)",
	"Interrupt test (offline)", "Loopback test  (offline)",
	"Link test   (on/offline)"
};
#define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN

static int ixgbe_get_settings(struct net_device *netdev,
                              struct ethtool_cmd *ecmd)
{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);
	struct ixgbe_hw *hw = &adapter->hw;
	u32 link_speed = 0;
	bool link_up;

	ecmd->supported = SUPPORTED_10000baseT_Full;
	ecmd->autoneg = AUTONEG_ENABLE;
	ecmd->transceiver = XCVR_EXTERNAL;
	if ((hw->phy.media_type == ixgbe_media_type_copper) ||
	    (hw->phy.multispeed_fiber)) {
		ecmd->supported |= (SUPPORTED_1000baseT_Full |
		                    SUPPORTED_Autoneg);

		switch (hw->mac.type) {
		case ixgbe_mac_X540:
			ecmd->supported |= SUPPORTED_100baseT_Full;
			break;
		default:
			break;
		}

		ecmd->advertising = ADVERTISED_Autoneg;
		if (hw->phy.autoneg_advertised) {
			if (hw->phy.autoneg_advertised &
			    IXGBE_LINK_SPEED_100_FULL)
				ecmd->advertising |= ADVERTISED_100baseT_Full;
			if (hw->phy.autoneg_advertised &
			    IXGBE_LINK_SPEED_10GB_FULL)
				ecmd->advertising |= ADVERTISED_10000baseT_Full;
			if (hw->phy.autoneg_advertised &
			    IXGBE_LINK_SPEED_1GB_FULL)
				ecmd->advertising |= ADVERTISED_1000baseT_Full;
		} else {
			/*
			 * Default advertised modes in case
			 * phy.autoneg_advertised isn't set.
			 */
			ecmd->advertising |= (ADVERTISED_10000baseT_Full |
					      ADVERTISED_1000baseT_Full);
			if (hw->mac.type == ixgbe_mac_X540)
				ecmd->advertising |= ADVERTISED_100baseT_Full;
		}

		if (hw->phy.media_type == ixgbe_media_type_copper) {
			ecmd->supported |= SUPPORTED_TP;
			ecmd->advertising |= ADVERTISED_TP;
			ecmd->port = PORT_TP;
		} else {
			ecmd->supported |= SUPPORTED_FIBRE;
			ecmd->advertising |= ADVERTISED_FIBRE;
			ecmd->port = PORT_FIBRE;
		}
	} else if (hw->phy.media_type == ixgbe_media_type_backplane) {
		/* Set as FIBRE until SERDES defined in kernel */