/******************************************************************************
* This software may be used and distributed according to the terms of
* the GNU General Public License (GPL), incorporated herein by reference.
* Drivers based on or derived from this code fall under the GPL and must
* retain the authorship, copyright and license notice. This file is not
* a complete program and may only be used when the entire operating
* system is licensed under the GPL.
* See the file COPYING in this distribution for more information.
*
* vxge-ethtool.c: Driver for Exar Corp's X3100 Series 10GbE PCIe I/O
* Virtualized Server Adapter.
* Copyright(c) 2002-2010 Exar Corp.
******************************************************************************/
#include <linux/ethtool.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/etherdevice.h>
#include "vxge-ethtool.h"
/**
* vxge_ethtool_sset - Sets different link parameters.
* @dev: device pointer.
* @info: pointer to the structure with parameters given by ethtool to set
* link information.
*
* The function sets different link parameters provided by the user onto
* the NIC.
* Return value:
* 0 on success.
*/
static int vxge_ethtool_sset(struct net_device *dev, struct ethtool_cmd *info)
{
/* We currently only support 10Gb/FULL */
if ((info->autoneg == AUTONEG_ENABLE) ||
(info->speed != SPEED_10000) || (info->duplex != DUPLEX_FULL))
return -EINVAL;
return 0;
}
/**
* vxge_ethtool_gset - Return link specific information.
* @dev: device pointer.
* @info: pointer to the structure with parameters given by ethtool
* to return link information.
*
* Returns link specific information like speed, duplex etc.. to ethtool.
* Return value :
* return 0 on success.
*/
static int vxge_ethtool_gset(struct net_device *dev, struct ethtool_cmd *info)
{
info->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
info->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
info->port = PORT_FIBRE;
info->transceiver = XCVR_EXTERNAL;
if (netif_carrier_ok(dev)) {
info->speed = SPEED_10000;
info->duplex = DUPLEX_FULL;
} else {
info->speed = -1;
info->duplex = -1;
}
info->autoneg = AUTONEG_DISABLE;
return 0;
}
/**
* vxge_ethtool_gdrvinfo - Returns driver specific information.
* @dev: device pointer.
* @info: pointer to the structure with parameters given by ethtool to
* return driver information.
*
* Returns driver specefic information like name, version etc.. to ethtool.
*/
static void vxge_ethtool_gdrvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct vxgedev *vdev = netdev_priv(dev);
strlcpy(info->driver, VXGE_DRIVER_NAME, sizeof(VXGE_DRIVER_NAME));
strlcpy(info->version, DRV_VERSION, sizeof(DRV_VERSION));
strlcpy(info->fw_version, vdev->fw_version, VXGE_HW_FW_STRLEN);
strlcpy(info->bus_info, pci_name(vdev->pdev), sizeof(info->bus_info));
info->regdump_len = sizeof(struct vxge_hw_vpath_reg)
* vdev->no_of_vpath;
info->n_stats = STAT_LEN;
}
/**
* vxge_ethtool_gregs - dumps the entire space of Titan into the buffer.
* @dev: device pointer.
* @regs: pointer to the structure with parameters given by ethtool for
* dumping the registers.
* @reg_space: The input argumnet into which all the registers are dumped.
*
* Dumps the vpath register space of Titan NIC into the user given
* buffer area.
*/
static void vxge_ethtool_gregs(struct net_device *dev,
struct ethtool_regs *regs, void *space)
{
int index, offset;
enum vxge_hw_status status;
u64 reg;
u64 *reg_space = (u64 *)space;
struct vxgedev *vdev = netdev_priv(dev);
struct __vxge_hw_device *hldev = vdev->devh;
regs->len = sizeof(