kcompat.h

e1000最新官方源码

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

  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.

  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:
  Linux NICS <[e-mail]>
  e1000-devel Mailing List <[e-mail]>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

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

#ifndef _KCOMPAT_H_
#define _KCOMPAT_H_

#include <linux/version.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/list.h>
#include <linux/sched.h>
#include <asm/io.h>

#ifndef IRQ_HANDLED
#define irqreturn_t void
#define IRQ_HANDLED
#define IRQ_NONE
#endif

#ifndef SET_NETDEV_DEV
#define SET_NETDEV_DEV(net, pdev)
#endif

#ifndef HAVE_FREE_NETDEV
#define free_netdev(x)	kfree(x)
#endif

#ifdef HAVE_POLL_CONTROLLER
#define CONFIG_NET_POLL_CONTROLLER
#endif

#ifdef E1000_NAPI
#undef CONFIG_E1000_NAPI
#define CONFIG_E1000_NAPI
#endif

#ifdef E1000_NO_NAPI
#undef CONFIG_E1000_NAPI
#endif

#ifdef DISABLE_PACKET_SPLIT
#undef CONFIG_E1000_DISABLE_PACKET_SPLIT
#define CONFIG_E1000_DISABLE_PACKET_SPLIT
#endif

#ifdef DISABLE_PCI_MSI
#undef CONFIG_PCI_MSI
#endif

#ifdef DISABLE_PM
#undef CONFIG_PM
#endif

#ifdef DISABLE_NET_POLL_CONTROLLER
#undef CONFIG_NET_POLL_CONTROLLER
#endif

#if ( LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15) )
#define CONFIG_E1000_PCI_ERS
#endif

#ifndef module_param
#define module_param(v,t,p) MODULE_PARM(v, "i");
#endif

#ifndef DMA_64BIT_MASK
#define DMA_64BIT_MASK  0xffffffffffffffffULL
#endif

#ifndef DMA_32BIT_MASK
#define DMA_32BIT_MASK  0x00000000ffffffffULL
#endif

#ifndef PCI_CAP_ID_EXP
#define PCI_CAP_ID_EXP 0x10
#endif

#ifndef mmiowb
#ifdef CONFIG_IA64
#define mmiowb() asm volatile ("mf.a" ::: "memory")
#else
#define mmiowb()
#endif
#endif

#ifndef _HAVE_ARCH_IPV6_CSUM
#undef NETIF_F_TSO6
#endif

/*****************************************************************************/
#ifndef unlikely
#define unlikely(_x) _x
#define likely(_x) _x
#endif
/*****************************************************************************/

#ifndef PCI_DEVICE
#define PCI_DEVICE(vend,dev) \
	.vendor = (vend), .device = (dev), \
	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
#endif

/*****************************************************************************/
/* Installations with ethtool version without eeprom, adapter id, or statistics
 * support */
#ifndef ETHTOOL_GSTATS
#define ETHTOOL_GSTATS 0x1d
#undef ethtool_drvinfo
#define ethtool_drvinfo k_ethtool_drvinfo
struct k_ethtool_drvinfo {
	uint32_t cmd;
	char	 driver[32];
	char	 version[32];
	char	 fw_version[32];
	char	 bus_info[32];
	char	 reserved1[32];
	char	 reserved2[16];
	uint32_t n_stats;
	uint32_t testinfo_len;
	uint32_t eedump_len;
	uint32_t regdump_len;
};

struct ethtool_stats {
	uint32_t cmd;
	uint32_t n_stats;
	uint64_t data[0];
};

#ifndef ETHTOOL_PHYS_ID
#define ETHTOOL_PHYS_ID 0x1c
#ifndef ETHTOOL_GSTRINGS
#define ETHTOOL_GSTRINGS 0x1b
enum ethtool_stringset {
	ETH_SS_TEST             = 0,
	ETH_SS_STATS,
};
struct ethtool_gstrings {
	u32     cmd;            /* ETHTOOL_GSTRINGS */
	u32     string_set;     /* string set id e.c. ETH_SS_TEST, etc*/
	u32     len;            /* number of strings in the string set */
	u8      data[0];
};
#ifndef ETHTOOL_TEST
#define ETHTOOL_TEST 0x1a
enum ethtool_test_flags {
	ETH_TEST_FL_OFFLINE	= (1 << 0),
	ETH_TEST_FL_FAILED	= (1 << 1),
};
struct ethtool_test {
	uint32_t cmd;
	uint32_t flags;
	uint32_t reserved;
	uint32_t len;
	uint64_t data[0];
};
#ifndef ETHTOOL_GEEPROM
#define ETHTOOL_GEEPROM 0xb
#undef ETHTOOL_GREGS
struct ethtool_eeprom {
	uint32_t cmd;
	uint32_t magic;
	uint32_t offset;
	uint32_t len;
	uint8_t	 data[0];
};

struct ethtool_value {
	uint32_t cmd;
	uint32_t data;
};

#ifndef ETHTOOL_GLINK
#define ETHTOOL_GLINK 0xa
#endif /* Ethtool version without link support */
#endif /* Ethtool version without eeprom support */
#endif /* Ethtool version without test support */
#endif /* Ethtool version without strings support */
#endif /* Ethtool version wihtout adapter id support */
#endif /* Ethtool version without statistics support */

#ifndef ETHTOOL_GREGS
#define ETHTOOL_GREGS		0x00000004 /* Get NIC registers */
#define ethtool_regs _kc_ethtool_regs
/* for passing big chunks of data */
struct _kc_ethtool_regs {
	u32	cmd;
	u32	version; /* driver-specific, indicates different chips/revs */
	u32	len; /* bytes */
	u8	data[0];
};
#endif
#ifndef ETHTOOL_GMSGLVL
#define ETHTOOL_GMSGLVL		0x00000007 /* Get driver message level */
#endif
#ifndef ETHTOOL_SMSGLVL
#define ETHTOOL_SMSGLVL		0x00000008 /* Set driver msg level, priv. */
#endif
#ifndef ETHTOOL_NWAY_RST
#define ETHTOOL_NWAY_RST	0x00000009 /* Restart autonegotiation, priv */
#endif
#ifndef ETHTOOL_GLINK
#define ETHTOOL_GLINK		0x0000000a /* Get link status */
#endif
#ifndef ETHTOOL_GEEPROM
#define ETHTOOL_GEEPROM		0x0000000b /* Get EEPROM data */
#endif
#ifndef ETHTOOL_SEEPROM
#define ETHTOOL_SEEPROM		0x0000000c /* Set EEPROM data */
#endif
#ifndef ETHTOOL_GCOALESCE
#define ETHTOOL_GCOALESCE	0x0000000e /* Get coalesce config */
/* for configuring coalescing parameters of chip */
#define ethtool_coalesce _kc_ethtool_coalesce
struct _kc_ethtool_coalesce {
	u32	cmd;	/* ETHTOOL_{G,S}COALESCE */

	/* How many usecs to delay an RX interrupt after
	 * a packet arrives.  If 0, only rx_max_coalesced_frames
	 * is used.
	 */
	u32	rx_coalesce_usecs;

	/* How many packets to delay an RX interrupt after
	 * a packet arrives.  If 0, only rx_coalesce_usecs is
	 * used.  It is illegal to set both usecs and max frames
	 * to zero as this would cause RX interrupts to never be
	 * generated.
	 */
	u32	rx_max_coalesced_frames;

	/* Same as above two parameters, except that these values
	 * apply while an IRQ is being serviced by the host.  Not
	 * all cards support this feature and the values are ignored
	 * in that case.
	 */
	u32	rx_coalesce_usecs_irq;
	u32	rx_max_coalesced_frames_irq;

	/* How many usecs to delay a TX interrupt after
	 * a packet is sent.  If 0, only tx_max_coalesced_frames
	 * is used.
	 */
	u32	tx_coalesce_usecs;

	/* How many packets to delay a TX interrupt after
	 * a packet is sent.  If 0, only tx_coalesce_usecs is
	 * used.  It is illegal to set both usecs and max frames
	 * to zero as this would cause TX interrupts to never be
	 * generated.
	 */
	u32	tx_max_coalesced_frames;

	/* Same as above two parameters, except that these values
	 * apply while an IRQ is being serviced by the host.  Not
	 * all cards support this feature and the values are ignored
	 * in that case.
	 */
	u32	tx_coalesce_usecs_irq;
	u32	tx_max_coalesced_frames_irq;

	/* How many usecs to delay in-memory statistics
	 * block updates.  Some drivers do not have an in-memory
	 * statistic block, and in such cases this value is ignored.
	 * This value must not be zero.
	 */
	u32	stats_block_coalesce_usecs;

	/* Adaptive RX/TX coalescing is an algorithm implemented by
	 * some drivers to improve latency under low packet rates and
	 * improve throughput under high packet rates.  Some drivers
	 * only implement one of RX or TX adaptive coalescing.  Anything
	 * not implemented by the driver causes these values to be
	 * silently ignored.
	 */
	u32	use_adaptive_rx_coalesce;
	u32	use_adaptive_tx_coalesce;

	/* When the packet rate (measured in packets per second)
	 * is below pkt_rate_low, the {rx,tx}_*_low parameters are
	 * used.
	 */
	u32	pkt_rate_low;
	u32	rx_coalesce_usecs_low;
	u32	rx_max_coalesced_frames_low;
	u32	tx_coalesce_usecs_low;
	u32	tx_max_coalesced_frames_low;

	/* When the packet rate is below pkt_rate_high but above
	 * pkt_rate_low (both measured in packets per second) the
	 * normal {rx,tx}_* coalescing parameters are used.
	 */

	/* When the packet rate is (measured in packets per second)
	 * is above pkt_rate_high, the {rx,tx}_*_high parameters are
	 * used.
	 */
	u32	pkt_rate_high;
	u32	rx_coalesce_usecs_high;
	u32	rx_max_coalesced_frames_high;
	u32	tx_coalesce_usecs_high;
	u32	tx_max_coalesced_frames_high;

	/* How often to do adaptive coalescing packet rate sampling,
	 * measured in seconds.  Must not be zero.
	 */
	u32	rate_sample_interval;
};
#endif
#ifndef ETHTOOL_SCOALESCE
#define ETHTOOL_SCOALESCE	0x0000000f /* Set coalesce config. */
#endif
#ifndef ETHTOOL_GRINGPARAM
#define ETHTOOL_GRINGPARAM	0x00000010 /* Get ring parameters */
/* for configuring RX/TX ring parameters */
#define ethtool_ringparam _kc_ethtool_ringparam
struct _kc_ethtool_ringparam {
	u32	cmd;	/* ETHTOOL_{G,S}RINGPARAM */

	/* Read only attributes.  These indicate the maximum number
	 * of pending RX/TX ring entries the driver will allow the
	 * user to set.
	 */
	u32	rx_max_pending;
	u32	rx_mini_max_pending;
	u32	rx_jumbo_max_pending;
	u32	tx_max_pending;

	/* Values changeable by the user.  The valid values are
	 * in the range 1 to the "*_max_pending" counterpart above.
	 */
	u32	rx_pending;
	u32	rx_mini_pending;
	u32	rx_jumbo_pending;
	u32	tx_pending;
};
#endif
#ifndef ETHTOOL_SRINGPARAM
#define ETHTOOL_SRINGPARAM	0x00000011 /* Set ring parameters, priv. */
#endif
#ifndef ETHTOOL_GPAUSEPARAM
#define ETHTOOL_GPAUSEPARAM	0x00000012 /* Get pause parameters */
/* for configuring link flow control parameters */
#define ethtool_pauseparam _kc_ethtool_pauseparam
struct _kc_ethtool_pauseparam {
	u32	cmd;	/* ETHTOOL_{G,S}PAUSEPARAM */

	/* If the link is being auto-negotiated (via ethtool_cmd.autoneg
	 * being true) the user may set 'autonet' here non-zero to have the
	 * pause parameters be auto-negotiated too.  In such a case, the
	 * {rx,tx}_pause values below determine what capabilities are
	 * advertised.
	 *
	 * If 'autoneg' is zero or the link is not being auto-negotiated,
	 * then {rx,tx}_pause force the driver to use/not-use pause
	 * flow control.
	 */
	u32	autoneg;
	u32	rx_pause;
	u32	tx_pause;
};
#endif
#ifndef ETHTOOL_SPAUSEPARAM
#define ETHTOOL_SPAUSEPARAM	0x00000013 /* Set pause parameters. */
#endif
#ifndef ETHTOOL_GRXCSUM
#define ETHTOOL_GRXCSUM		0x00000014 /* Get RX hw csum enable (ethtool_value) */
#endif
#ifndef ETHTOOL_SRXCSUM
#define ETHTOOL_SRXCSUM		0x00000015 /* Set RX hw csum enable (ethtool_value) */
#endif
#ifndef ETHTOOL_GTXCSUM
#define ETHTOOL_GTXCSUM		0x00000016 /* Get TX hw csum enable (ethtool_value) */
#endif
#ifndef ETHTOOL_STXCSUM
#define ETHTOOL_STXCSUM		0x00000017 /* Set TX hw csum enable (ethtool_value) */
#endif
#ifndef ETHTOOL_GSG
#define ETHTOOL_GSG		0x00000018 /* Get scatter-gather enable
					    * (ethtool_value) */
#endif
#ifndef ETHTOOL_SSG
#define ETHTOOL_SSG		0x00000019 /* Set scatter-gather enable
					    * (ethtool_value). */
#endif
#ifndef ETHTOOL_TEST
#define ETHTOOL_TEST		0x0000001a /* execute NIC self-test, priv. */
#endif
#ifndef ETHTOOL_GSTRINGS