/* SPDX-License-Identifier: GPL-2.0-only */
/*
################################################################################
#
# r8169 is the Linux device driver released for Realtek Gigabit Ethernet
# Controllers with PCI interface.
#
# Copyright(c) 2022 Realtek Semiconductor Corp. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# This program is distributed in the hope that 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, see .
#
# Author:
# Realtek NIC software team
# No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
#
################################################################################
*/
/************************************************************************************
* This product is covered by one or more of the following patents:
* US6,570,884, US6,115,776, and US6,327,625.
***********************************************************************************/
#include
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
typedef int netdev_tx_t;
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
#define skb_transport_offset(skb) (skb->h.raw - skb->data)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
#define device_set_wakeup_enable(dev, val) do {} while (0)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
static inline void ether_addr_copy(u8 *dst, const u8 *src)
{
u16 *a = (u16 *)dst;
const u16 *b = (const u16 *)src;
a[0] = b[0];
a[1] = b[1];
a[2] = b[2];
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,15,0)
#define IS_ERR_OR_NULL(ptr) (!ptr)
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)
#define reinit_completion(x) ((x)->done = 0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)
#define pm_runtime_mark_last_busy(x)
#define pm_runtime_put_autosuspend(x) pm_runtime_put(x)
#define pm_runtime_put_sync_autosuspend(x) pm_runtime_put_sync(x)
static inline bool pm_runtime_suspended(struct device *dev)
{
return dev->power.runtime_status == RPM_SUSPENDED
&& !dev->power.disable_depth;
}
static inline bool pm_runtime_active(struct device *dev)
{
return dev->power.runtime_status == RPM_ACTIVE
|| dev->power.disable_depth;
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
#define queue_delayed_work(long_wq, work, delay) schedule_delayed_work(work, delay)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34)
#define netif_printk(priv, type, level, netdev, fmt, args...) \
do { \
if (netif_msg_##type(priv)) \
printk(level "%s: " fmt,(netdev)->name , ##args); \
} while (0)
#define netif_emerg(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_EMERG, netdev, fmt, ##args)
#define netif_alert(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_ALERT, netdev, fmt, ##args)
#define netif_crit(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_CRIT, netdev, fmt, ##args)
#define netif_err(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_ERR, netdev, fmt, ##args)
#define netif_warn(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_WARNING, netdev, fmt, ##args)
#define netif_notice(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_NOTICE, netdev, fmt, ##args)
#define netif_info(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_INFO, (netdev), fmt, ##args)
#endif
#endif
#endif
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
#define setup_timer(_timer, _function, _data) \
do { \
(_timer)->function = _function; \
(_timer)->data = _data; \
init_timer(_timer); \
} while (0)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)
#if defined(skb_vlan_tag_present) && !defined(vlan_tx_tag_present)
#define vlan_tx_tag_present skb_vlan_tag_present
#endif
#if defined(skb_vlan_tag_get) && !defined(vlan_tx_tag_get)
#define vlan_tx_tag_get skb_vlan_tag_get
#endif
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)
#define RTL_ALLOC_SKB_INTR(tp, length) dev_alloc_skb(length)
#ifdef CONFIG_R8169_NAPI
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)
#undef RTL_ALLOC_SKB_INTR
#define RTL_ALLOC_SKB_INTR(tp, length) napi_alloc_skb(&tp->napi, length)
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
#define eth_random_addr(addr) random_ether_addr(addr)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)
#define netdev_features_t u32
#endif
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)
#define NETIF_F_HW_VLAN_RX NETIF_F_HW_VLAN_CTAG_RX
#define NETIF_F_HW_VLAN_TX NETIF_F_HW_VLAN_CTAG_TX
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)
#define __devinit
#define __devexit
#define __devexit_p(func) func
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
#define CHECKSUM_PARTIAL CHECKSUM_HW
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#define irqreturn_t void
#define IRQ_HANDLED 1
#define IRQ_NONE 0
#define IRQ_RETVAL(x)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
typedef unsigned long uintptr_t;
#endif
#ifndef NETIF_F_RXALL
#define NETIF_F_RXALL 0
#endif
#ifndef NETIF_F_RXFCS
#define NETIF_F_RXFCS 0
#endif
#ifndef HAVE_FREE_NETDEV
#define free_netdev(x) kfree(x)
#endif
#ifndef SET_NETDEV_DEV
#define SET_NETDEV_DEV(net, pdev)
#endif
#ifndef SET_MODULE_OWNER
#define SET_MODULE_OWNER(dev)
#endif
#ifndef SA_SHIRQ
#define SA_SHIRQ IRQF_SHARED
#endif
#ifndef NETIF_F_GSO
#define gso_size tso_size
#define gso_segs tso_segs
#endif
#ifndef PCI_VENDOR_ID_DLINK
#define PCI_VENDOR_ID_DLINK 0x1186
#endif
#ifndef dma_mapping_error
#define dma_mapping_error(a,b) 0
#endif
#ifndef netif_err
#define netif_err(a,b,c,d)
#endif
#ifndef AUTONEG_DISABLE
#define AUTONEG_DISABLE 0x00
#endif
#ifndef AUTONEG_ENABLE
#define AUTONEG_ENABLE 0x01
#endif
#ifndef BMCR_SPEED1000
#define BMCR_SPEED1000 0x0040
#endif
#ifndef BMCR_SPEED100
#define BMCR_SPEED100 0x2000
#endif
#ifndef BMCR_SPEED10
#define BMCR_SPEED10 0x0000
#endif
#ifndef SPEED_UNKNOWN
#define SPEED_UNKNOWN -1
#endif
#ifndef DUPLEX_UNKNOWN
#define DUPLEX_UNKNOWN 0xff
#endif
#ifndef SUPPORTED_Pause
#define SUPPORTED_Pause (1 << 13)
#endif
#ifndef SUPPORTED_Asym_Pause
#define SUPPORTED_Asym_Pause (1 << 14)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
#ifdef CONFIG_NET_POLL_CONTROLLER
#define RTL_NET_POLL_CONTROLLER dev->poll_controller=rtl8169_netpoll
#else
#define RTL_NET_POLL_CONTROLLER
#endif
#ifdef CONFIG_R8169_VLAN
#define RTL_SET_VLAN dev->vlan_rx_register=rtl8169_vlan_rx_register
#else
#define RTL_SET_VLAN
#endif
#define RTL_NET_DEVICE_OPS(ops) dev->open=rtl8169_open; \
dev->hard_start_xmit=rtl8169_start_xmit; \
dev->get_stats=rtl8169_get_stats; \
dev->stop=rtl8169_close; \
dev->tx_timeout=rtl8169_tx_timeout; \
dev->set_multicast_list=rtl8169_set_rx_mode; \
dev->change_mtu=rtl8169_change_mtu; \
dev->set_mac_address=rtl8169_set_mac_address; \
dev->do_ioctl=rtl8169_ioctl; \
RTL_NET_POLL_CONTROLLER; \
RTL_SET_VLAN;
#else
#define RTL_NET_DEVICE_OPS(ops) dev->netdev_ops=&ops
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
#ifndef false
#define false 0
#endif
#ifndef true
#define true 1
#endif
#ifndef NET_IP_ALIGN
#define NET_IP_ALIGN 2
#endif
#define NODE_ADDRESS_SIZE 6
#define SHORT_PACKET_PADDING_BUF_SIZE 256
#define RTK_MAGIC_DEBUG_VALUE 0x0badbeef
#ifdef CONFIG_R8169_NAPI
#define NAPI_SUFFIX "-NAPI"
#else
#define NAPI_SUFFIX ""
#endif
#define RTL8169_VERSION "6.030.01" NAPI_SUFFIX
#define MODULENAME "r8169"
#define PFX MODULENAME ": "
#define GPL_CLAIM "\
r8169 Copyright (C) 2022 Realtek NIC software team \n \
This program comes with ABSOLUTELY NO WARRANTY; for details, please see . \n \
This is free software, and you are welcome to redistribute it under certain conditions; see . \n"
#ifdef RTL8169_DEBUG
#define assert(expr) \
if (!(expr)) { \
printk( "Assertion failed! %s,%s,%s,line=%d\n", \
#expr,__FILE__,__FUNCTION__,__LINE__); \
}
#define dprintk(fmt, args...) do { printk(PFX fmt, ## args); } while (0)
#else
#define assert(expr) do {} while (0)
#define dprintk(fmt, args...) do {} while (0)
#endif /* RTL8169_DEBUG */
#define R8169_MSG_DEFAULT \
(NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
#ifdef CONFIG_R8169_NAPI
#define rtl8169_rx_skb netif_receive_skb
#define rtl8169_rx_hwaccel_skb vlan_hwaccel_receive_skb
#define rtl8169_rx_quota(count, quota) min(count, quota)
#else
#define rtl8169_rx_skb netif_rx
#define rtl8169_rx_hwaccel_skb vlan_hwaccel_rx
#define rtl8169_rx_quota(count, quota) count
#endif
/* MAC address length */
#ifndef MAC_ADDR_LEN
#define MAC_ADDR_LEN 6
#endif
#ifndef MAC_PROTOCOL_LEN
#define MAC_PROTOCOL_LEN 2
#endif
#ifndef ETH_FCS_LEN
#define ETH_FCS_LEN 4
#endif
#ifndef NETIF_F_TSO6
#define NETIF_F_TSO6 0
#endif
#define Reserved2_data 7
#define RX_DMA_BURST 7 /* Maximum PCI burst, '7' is unlimited */
#define TX_DMA_BURST 7 /* Maximum PCI burst, '7' is unlimited */
#define Reserved1_data 0x3F
#define RxPacketMaxSize 0x3FE8 /* 16K - 1 - ETH_HLEN - VLAN - CRC... */
#define Jumbo_Frame_7k (7*1024 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN)
#define IFG0 (1 << 24)
#define IFG1 (1 << 25)
#define IFG2 (1 << 19)
#define R8169_REGS_SIZE (256)
#define R8169_MAC_REGS_SIZE (256)
#define R8169_PHY_REGS_SIZE (16*2)
#define R8169_REGS_DUMP_SIZE (0x200)
#define R8169_NAPI_WEIGHT 64
#define NUM_TX_DESC 256 /* Number of Tx descriptor registers */
#define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
#define RX_BUF_SIZE 1536 /* Rx Buffer size */
#define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
#define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
#define RTL8169_TX_TIMEOUT (6*HZ)
#define RTL8169_PHY_TIMEOUT (10*HZ)
#define RTL8169_ESD_TIMEOUT (2*HZ)
/* write/read MMIO register */
#define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
#define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
#define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
#define RTL_R8(reg) readb (ioaddr + (reg))
#define RTL_R16(reg) readw (ioaddr + (reg))
#define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg)))
#ifndef DMA_64BIT_MASK
#define DMA_64BIT_MASK 0xffffffffffffffffULL
#endif
#ifndef DMA_32BIT_MASK
#define DMA_32BIT_MASK 0x00000000ffffffffULL
#endif
#ifndef NETDEV_TX_OK
#define NETDEV_TX_OK 0 /* driver took care of packet */
#endif
#ifndef NETDEV_TX_BUSY
#define NETDEV_TX_BUSY 1 /* driver tx path was busy*/
#endif
#ifndef NETDEV_TX_LOCKED
#define NETDEV_TX_LOCKED -1 /* driver tx lock was already taken */
#endif
#ifndef ADVERTISED_Pause
#define ADVERTISED_Pause (1 << 13)
#endif
#ifndef ADVERTISED_Asym_Pause
#define ADVERTISED_Asym_Pause (1 << 14)
#endif
#ifndef ADVERTISE_PAUSE_CAP
#define ADVERTISE_PAUSE_CAP 0x400
#endif
#ifndef ADVERTISE_PAUSE_ASYM
#define ADVERTISE_PAUSE_ASYM 0x800
#endif
#ifndef MII_CTRL1000
#define MII_CTRL1000 0x09
#endif
#ifndef ADVERTISE_1000FULL
#define ADVERTISE_1000FULL 0x200
#endif
#ifndef ADVERTISE_1000HALF
#define ADVERTISE_1000HALF 0x100
#endif
#ifndef ETH_MIN_MTU
#define ETH_MIN_MTU 68
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
#ifdef __CHECKER__
#define __iomem __attribute__((noderef, address_space(2)))
extern void __chk_io_ptr(void __iomem *);
#define __bitwise __attribute__((bitwise))
#else
#define __iomem
#define __chk_io_ptr(x) (void)0
#define __bitwise
#endif
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
#ifndef module_param
#define module_param(v,t,p) MODULE_PARM(v, "i");
#endif
#ifndef PCI_DEVICE
#define PCI_DEVICE(vend,dev) \
.vendor = (vend), .device = (dev), \
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
#endif
/*****************************************************************************/
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
#define RTLDEV tp
#else
#define RTLDEV dev
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
/*****************************************************************************/
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
typedef struct net_device *napi_ptr;
typedef int *napi_budget;
#define napi dev
#define RTL_NAPI_CONFIG(ndev, priv, function, weig) ndev->poll=function; \
ndev->weight=weig;
#define RTL_NAPI_QUOTA(budget, ndev) min(*budget, ndev->quota)
#define RTL_GET_PRIV(stuct_ptr, priv_struct) netdev_priv(stuct_ptr)
#define RTL_GET_NETDEV(priv_ptr)
#define RTL_RX_QUOTA(budget) *budget
#define RTL_NAPI_QUOTA_UPDATE(ndev, work_done, budget) *budget -= work_done; \
ndev->quota -= work_done;
#define RTL_NETIF_RX_COMPLETE(dev, napi, work_done) netif_rx_complete(dev)
#define RTL_NETIF_RX_SCHEDULE_PREP(dev, napi) netif_rx_schedule_prep(dev)
#define __RTL_NETIF_RX_SCHEDULE(dev, napi) __netif_rx_schedule(dev)
#define RTL_NAPI_RETURN_VALUE work_done >= work_to_do
#define RTL_NAPI_ENABLE(dev, napi) netif_poll_enable(dev)
#define RTL_NAPI_DISABLE(dev, napi) netif_poll_disable(dev)
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
#else
typedef struct napi_struct *napi_ptr;
typedef int napi_budget;
#define RTL_NAPI_CONFIG(ndev, priv, function, weight) netif_napi_add(ndev, &priv->napi, function, weight)
#define RTL_NAPI_QUOTA(budget, ndev) min(budget, budget)
#define RTL_GET_PRIV(stuct_ptr, priv_struct) container_of(stuct_ptr, priv_struct, stuct_ptr)
#define RTL_GET_NETDEV(priv_ptr) struct net_device *dev = priv_ptr->dev;
#define RTL_RX_QUOTA(budget) budget
#define RTL_NAPI_QUOTA_UPDATE(ndev, work_done, budget)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
#define RTL_NETIF_RX_COMPLETE(dev, napi, work_done) netif_rx_complete(dev, napi)
#define RTL_NETIF_RX_SCHEDULE_PREP(dev, napi) netif_rx_schedule_prep(dev, napi)
#define __RTL_NETIF_RX_SCHEDULE(dev, napi) __netif_rx_schedule(dev, napi)
#endif
#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,29)
#define RTL_NETIF_RX_COMPLETE(dev, napi, work_done) netif_rx_complete(napi)
#define RTL_NETIF_RX_SCHEDULE_PREP(dev, napi) netif_rx_schedule_prep(napi)
#define __RTL_NETIF_RX_SCHEDULE(dev, napi) __netif_rx_schedule(napi)
#endif
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,29)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)
#define RTL_NETIF_RX_COMPLETE(dev, napi, work_done) napi_complete_done(napi, work_done)
#else
#define RTL_NETIF_RX_COMPLETE(dev, napi, work_done) napi_complete(napi)
#endif
#define RTL_NETIF_RX_SCHEDULE_PREP(dev, napi) napi_schedule_prep(napi)
#define __RTL_NETIF_RX_SCHEDULE(dev, napi) __napi_schedule(napi)
#endif
#define RTL_NAPI_RETURN_VALUE work_done
#define RTL_NAPI_ENABLE(dev, napi) napi_enable(napi)
#define RTL_NAPI_DISABLE(dev, napi) napi_disable(napi)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
#define RTL_NAPI_DEL(priv)
#else
#define RTL_NAPI_DEL(priv) netif_napi_del(&priv->napi)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
/*****************************************************************************/
/* 2.4.22 => 2.4.17 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,22) )
#define pci_name(x) ((x)->slot_name)
#endif /* 2.4.22 => 2.4.17 */
/*****************************************************************************/
/* 2.6.5 => 2.6.0 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,5) )
#define pci_dma_sync_single_for_cpu pci_dma_sync_single
#define pci_dma_sync_single_for_device pci_dma_sync_single_for_cpu
#endif /* 2.6.5 => 2.6.0 */
/*****************************************************************************/
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10) )
#ifdef module_param_array_named
#undef module_param_array_named
#define module_param_array_named(name, array, type, nump, perm) \
static struct kparam_array __param_arr_##name \
= { ARRAY_SIZE(array), nump, param_set_##type, param_get_##type, \
sizeof(array[0]), array }; \
module_param_call(name, param_array_set, param_array_get, \
&__param_arr_##name, perm)
#endif /* module_param_array_named */
#endif /* < 2.6.10 */
/*****************************************************************************/
/* 2.6.0 => 2.5.28 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) )
#define MODULE_INFO(version, _version)
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
#define CONFIG_E1000_DISABLE_PACKET_SPLIT 1
#endif
#define pci_set_consistent_dma_mask(dev,mask) 1
#undef dev_put
#define dev_put(dev) __dev_put(dev)
#ifndef skb_fill_page_desc
#define skb_fill_page_desc _kc_skb_fill_page_desc
extern void _kc_skb_fill_page_desc(struct sk_buff *skb, int i, struct page *page, int off, int size);
#endif
#ifndef pci_dma_mapping_error
#define pci_dma_mapping_error _kc_pci_dma_mapping_error
static inline int _kc_pci_dma_mapping_error(dma_addr_t dma_addr)
{
return dma_addr == 0;
}
#endif
#undef ALIGN
#define ALIGN(x,a) (((x)+(a)-1)&~((a)-1))
#endif /* 2.6.0 => 2.5.28 */
/*****************************************************************************/
/* 2.6.4 => 2.6.0 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4) )
#define MODULE_VERSION(_version) MODULE_INFO(version, _version)
#endif /* 2.6.4 => 2.6.0 */
/*****************************************************************************/
/* 2.5.28 => 2.4.23 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,5,28) )
static inline void _kc_synchronize_irq(void)
{
synchronize_irq();
}
#undef synchronize_irq
#define synchronize_irq(X) _kc_synchronize_irq()
#include
#define work_struct tq_struct
#undef INIT_WORK
#define INIT_WORK(a,b,c) INIT_TQUEUE(a,(void (*)(void *))b,c)
#undef container_of
#define container_of list_entry
#define schedule_work schedule_task
#define flush_scheduled_work flush_scheduled_tasks
#endif /* 2.5.28 => 2.4.17 */
/*****************************************************************************/
/* 2.6.4 => 2.6.0 */
#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,4,25) && \
LINUX_VERSION_CODE > KERNEL_VERSION(2,4,22)) || \
(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) && \
LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4)))
#define ETHTOOL_OPS_COMPAT
#endif /* 2.6.4 => 2.6.0 */
/*****************************************************************************/
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
/*
* initialize a work-struct's func and data pointers:
*/
#define PREPARE_WORK(_work, _func, _data) \
do { \
(_work)->func = _func; \
(_work)->data = _data; \
} while (0)
#endif
/*****************************************************************************/
#if 0//LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#undef ethtool_ops
#define ethtool_ops _kc_ethtool_ops
struct _kc_ethtool_ops {
int (*get_settings)(struct net_device *, struct ethtool_cmd *);
int (*set_settings)(struct net_device *, struct ethtool_cmd *);
void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *);
int (*get_regs_len)(struct net_device *);
void (*get_regs)(struct net_device *, struct ethtool_regs *, void *);
void (*get_wol)(struct net_device *, struct ethtool_wolinfo *);
int (*set_wol)(struct net_device *, struct ethtool_wolinfo *);
u32 (*get_msglevel)(struct net_device *);
void (*set_msglevel)(struct net_device *, u32);
int (*nway_reset)(struct net_device *);
u32 (*get_link)(struct net_device *);
int (*get_eeprom_len)(struct net_device *);
int (*get_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *);
int (*set_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *);
int (*get_coalesce)(struct net_device *, struct ethtool_coalesce *);
int (*set_coalesce)(struct net_device *, struct ethtool_coalesce *);
void (*get_ringparam)(struct net_device *, struct ethtool_ringparam *);
int (*set_ringparam)(struct net_device *, struct ethtool_ringparam *);
void (*get_pauseparam)(struct net_device *,
struct ethtool_pauseparam*);
int (*set_pauseparam)(struct net_device *,
struct ethtool_pauseparam*);
u32 (*get_rx_csum)(struct net_device *);
int (*set_rx_csum)(struct net_device *, u32);
u32 (*get_tx_csum)(struct net_device *);
int (*set_tx_csum)(struct net_device *, u32);
u32 (*get_sg)(struct net_device *);
int (*set_sg)(struct net_device *, u32);
u32 (*get_tso)(struct net_device *);
int (*set_tso)(struct net_device *, u32);
int (*self_test_count)(struct net_device *);
void (*self_test)(struct net_device *, struct ethtool_test *, u64 *);
void (*get_strings)(struct net_device *, u32 stringset, u8 *);
int (*phys_id)(struct net_device *, u32);
int (*get_stats_count)(struct net_device *);
void (*get_ethtool_stats)(struct net_device *, struct ethtool_stats *,
u64 *);
} *ethtool_ops = NULL;
#undef SET_ETHTOOL_OPS
#define SET_ETHTOOL_OPS(netdev, ops) (ethtool_ops = (ops))
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)
#ifndef SET_ETHTOOL_OPS
#define SET_ETHTOOL_OPS(netdev,ops) \
( (netdev)->ethtool_ops = (ops) )
#endif //SET_ETHTOOL_OPS
#endif //LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)
/*****************************************************************************/
/* Installations with ethtool version without eeprom, adapter id, or statistics
* support */
#ifndef ETH_GSTRING_LEN
#define ETH_GSTRING_LEN 32
#endif
#ifndef ETHTOOL_GSTATS
#define ETHTOOL_GSTATS 0x1d
#undef ethtool_drvinfo
#define ethtool_drvinfo k_ethtool_drvinfo
struct k_ethtool_drvinfo {
u32 cmd;
char driver[32];
char version[32];
char fw_version[32];
char bus_info[32];
char reserved1[32];
char reserved2[16];
u32 n_stats;
u32 testinfo_len;
u32 eedump_len;
u32 regdump_len;
};
struct ethtool_stats {
u32 cmd;
u32 n_stats;
u64 data[0];
};
#endif /* ETHTOOL_GSTATS */
#ifndef ETHTOOL_PHYS_ID
#define ETHTOOL_PHYS_ID 0x1c
#endif /* ETHTOOL_PHYS_ID */
#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];
};
#endif /* ETHTOOL_GSTRINGS */
#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 {
u32 cmd;
u32 flags;
u32 reserved;
u32 len;
u64 data[0];
};
#endif /* ETHTOOL_TEST */
#ifndef ETHTOOL_GEEPROM
#define ETHTOOL_GEEPROM 0xb
#undef ETHTOOL_GREGS
struct ethtool_eeprom {
u32 cmd;
u32 magic;
u32 offset;
u32 len;
u8 data[0];
};
struct ethtool_value {
u32 cmd;
u32 data;
};
#endif /* ETHTOOL_GEEPROM */
#ifndef ETHTOOL_GLINK
#define ETHTOOL_GLINK 0xa
#endif /* ETHTOOL_GLINK */
#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 /* ETHTOOL_GREGS */
#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 /* ETHTOOL_GCOALESCE */
#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 /* ETHTOOL_GRINGPARAM */
#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 /* ETHTOOL_GPAUSEPARAM */
#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
#define ETHTOOL_GSTRINGS 0x0000001b /* get specified string set */
#endif
#ifndef ETHTOOL_PHYS_ID
#define ETHTOOL_PHYS_ID 0x0000001c /* identify the NIC */
#endif
#ifndef ETHTOOL_GSTATS
#define ETHTOOL_GSTATS 0x0000001d /* get NIC-specific statistics */
#endif
#ifndef ETHTOOL_GTSO
#define ETHTOOL_GTSO 0x0000001e /* Get TSO enable (ethtool_value) */
#endif
#ifndef ETHTOOL_STSO
#define ETHTOOL_STSO 0x0000001f /* Set TSO enable (ethtool_value) */
#endif
#ifndef ETHTOOL_BUSINFO_LEN
#define ETHTOOL_BUSINFO_LEN 32
#endif
/*****************************************************************************/
enum mcfg {
CFG_METHOD_1 = 0x00,
CFG_METHOD_2 = 0x01,
CFG_METHOD_3 = 0x02,
CFG_METHOD_4 = 0x04,
CFG_METHOD_5 = 0x05,
CFG_METHOD_6 = 0x06,
};
enum pcfg {
PCFG_METHOD_1 = 0x03, /* PHY Reg 0x03 bit0-3 == 0x0000 */
PCFG_METHOD_2 = 0x04, /* PHY Reg 0x03 bit0-3 == 0x0000 */
PCFG_METHOD_3 = 0x05, /* PHY Reg 0x03 bit0-3 == 0x0000 */
PCFG_METHOD_4 = 0x06, /* PHY Reg 0x03 bit0-3 == 0x0001 */
PCFG_METHOD_5 = 0x07, /* PHY Reg 0x03 bit0-3 == 0x0002 */
PCFG_METHOD_6 = 0x08, /* PHY Reg 0x03 bit0-3 == 0x0003 */
};
enum RTL8169_registers {
MAC0 = 0x00, /* Ethernet hardware address. */
MAC4 = 0x04,
MAR0 = 0x08, /* Multicast filter. */
CounterAddrLow = 0x10,
CounterAddrHigh = 0x14,
TxDescStartAddrLow = 0x20,
TxDescStartAddrHigh = 0x24,
TxHDescStartAddrLow = 0x28,
TxHDescStartAddrHigh = 0x2c,
FLASH = 0x30,
ERSR = 0x36,
ChipCmd = 0x37,
TxPoll = 0x38,
IntrMask = 0x3C,
IntrStatus = 0x3E,
TxConfig = 0x40,
RxConfig = 0x44,
RxMissed = 0x4C,
Cfg9346 = 0x50,
Config0 = 0x51,
Config1 = 0x52,
Config2 = 0x53,
Config3 = 0x54,
Config4 = 0x55,
Config5 = 0x56,
TimeInt0 = 0x58,
MultiIntr = 0x5C,
PHYAR = 0x60,
PHYstatus = 0x6C,
Offset_7Ch = 0x7C,
RxMaxSize = 0xDA,
CPlusCmd = 0xE0,
IntrMitigate = 0xE2,
RxDescAddrLow = 0xE4,
RxDescAddrHigh = 0xE8,
Reserved1 = 0xEC,
FuncEvent = 0xF0,
FuncEventMask = 0xF4,
FuncPresetState = 0xF8,
FuncForceEvent = 0xFC,
};
enum RTL8169_register_content {
/* InterruptStatusBits */
SYSErr = 0x8000,
PCSTimeout = 0x4000,
SWInt = 0x0100,
TxDescUnavail = 0x80,
RxFIFOOver = 0x40,
LinkChg = 0x20,
RxOverflow = 0x10,
TxErr = 0x08,
TxOK = 0x04,
RxErr = 0x02,
RxOK = 0x01,
/* RxStatusDesc */
RxRWT = (1 << 22),
RxRES = (1 << 21),
RxRUNT = (1 << 20),
RxCRC = (1 << 19),
/* ChipCmdBits */
CmdReset = 0x10,
CmdRxEnb = 0x08,
CmdTxEnb = 0x04,
RxBufEmpty = 0x01,
/* Cfg9346Bits */
Cfg9346_Lock = 0x00,
Cfg9346_Unlock = 0xC0,
/* rx_mode_bits */
AcceptErr = 0x20,
AcceptRunt = 0x10,
AcceptBroadcast = 0x08,
AcceptMulticast = 0x04,
AcceptMyPhys = 0x02,
AcceptAllPhys = 0x01,
/* Transmit Priority Polling*/
HPQ = 0x80,
NPQ = 0x40,
FSWInt = 0x01,
/* RxConfigBits */
Reserved2_shift = 13,
RxCfgDMAShift = 8,
/* TxConfigBits */
TxInterFrameGapShift = 24,
TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
TxMACLoopBack = (1 << 17), /* MAC loopback */
/* Config1 register p.24 */
PMEnable = (1 << 0), /* Power Management Enable */
VPDEnable = (1 << 1), /* RTL8169 VPD eanble */
/* Config2 register p.26 */
PCI_Clock_66MHz = 0x01,
PCI_Clock_33MHz = 0x00,
/* Config3 register p.25 */
MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
/* Config4 register */
iMode = (1 << 0), /* Improve IP/TCP checksum compatibility with some NIC cards for RTL8169SB */
/* Config5 register p.27 */
BWF = (1 << 6), /* Accept Broadcast wakeup frame */
MWF = (1 << 5), /* Accept Multicast wakeup frame */
UWF = (1 << 4), /* Accept Unicast wakeup frame */
LanWake = (1 << 1), /* LanWake enable/disable */
PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
/* CPlusCmd p.31 */
EnAnaPLL = (1 << 14),
RxVlan = (1 << 6),
RxChkSum = (1 << 5),
PCIDAC = (1 << 4),
PCIMulRW = (1 << 3),
/* rtl8169_PHYstatus */
TxFlowCtrl = 0x40,
RxFlowCtrl = 0x20,
_1000bpsF = 0x10,
_100bps = 0x08,
_10bps = 0x04,
LinkStatus = 0x02,
FullDup = 0x01,
/* DumpCounterCommand */
CounterDump = 0x8,
/* PHY access */
PHYAR_Flag = 0x80000000,
PHYAR_Write = 0x80000000,
PHYAR_Read = 0x00000000,
PHYAR_Reg_Mask = 0x1f,
PHYAR_Reg_shift = 16,
PHYAR_Data_Mask = 0xffff,
};
enum _DescStatusBit {
DescOwn = (1 << 31), /* Descriptor is owned by NIC */
RingEnd = (1 << 30), /* End of descriptor ring */
FirstFrag = (1 << 29), /* First segment of a packet */
LastFrag = (1 << 28), /* Final segment of a packet */
/* Tx private */
LargeSend = (1 << 27), /* TCP Large Send Offload (TSO) */
MSSShift = 16, /* MSS value position */
MSSMask = 0x7FFU, /* MSS value 11 bits */
IPCS = (1 << 18), /* Calculate IP checksum */
UDPCS = (1 << 17), /* Calculate UDP/IP checksum */
TCPCS = (1 << 16), /* Calculate TCP/IP checksum */
TxVlanTag = (1 << 17), /* Add VLAN tag */
/* Rx private */
PID1 = (1 << 18), /* Protocol ID bit 1/2 */
PID0 = (1 << 17), /* Protocol ID bit 2/2 */
#define RxProtoUDP (PID1)
#define RxProtoTCP (PID0)
#define RxProtoIP (PID1 | PID0)
#define RxProtoMask RxProtoIP
IPFail = (1 << 16), /* IP checksum failed */
UDPFail = (1 << 15), /* UDP/IP checksum failed */
TCPFail = (1 << 14), /* TCP/IP checksum failed */
RxVlanTag = (1 << 16), /* VLAN tag available */
};
enum bits {
BIT_0 = (1 << 0),
BIT_1 = (1 << 1),
BIT_2 = (1 << 2),
BIT_3 = (1 << 3),
BIT_4 = (1 << 4),
BIT_5 = (1 << 5),
BIT_6 = (1 << 6),
BIT_7 = (1 << 7),
BIT_8 = (1 << 8),
BIT_9 = (1 << 9),
BIT_10 = (1 << 10),
BIT_11 = (1 << 11),
BIT_12 = (1 << 12),
BIT_13 = (1 << 13),
BIT_14 = (1 << 14),
BIT_15 = (1 << 15),
BIT_16 = (1 << 16),
BIT_17 = (1 << 17),
BIT_18 = (1 << 18),
BIT_19 = (1 << 19),
BIT_20 = (1 << 20),
BIT_21 = (1 << 21),
BIT_22 = (1 << 22),
BIT_23 = (1 << 23),
BIT_24 = (1 << 24),
BIT_25 = (1 << 25),
BIT_26 = (1 << 26),
BIT_27 = (1 << 27),
BIT_28 = (1 << 28),
BIT_29 = (1 << 29),
BIT_30 = (1 << 30),
BIT_31 = (1 << 31)
};
#define RsvdMask 0x3fffc000
struct TxDesc {
u32 opts1;
u32 opts2;
u64 addr;
};
struct RxDesc {
u32 opts1;
u32 opts2;
u64 addr;
};
struct ring_info {
struct sk_buff *skb;
u32 len;
u8 __pad[sizeof(void *) - sizeof(u32)];
};
enum wol_capability {
WOL_DISABLED = 0,
WOL_ENABLED = 1
};
struct pci_resource {
u8 cmd;
u8 cls;
u16 io_base_h;
u16 io_base_l;
u16 mem_base_h;
u16 mem_base_l;
u8 ilr;
u16 resv_0x20_h;
u16 resv_0x20_l;
u16 resv_0x24_h;
u16 resv_0x24_l;
};
/* Flow Control Settings */
enum rtl8169_fc_mode {
rtl8169_fc_none = 0,
rtl8169_fc_rx_pause,
rtl8169_fc_tx_pause,
rtl8169_fc_full,
rtl8169_fc_default
};
struct rtl8169_private {
void __iomem *mmio_addr; /* memory map physical address */
struct pci_dev *pci_dev; /* Index of PCI device */
struct net_device *dev;
#ifdef CONFIG_R8169_NAPI
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
struct napi_struct napi;
#endif
#endif
struct net_device_stats stats; /* statistics of net device */
spinlock_t lock; /* spin lock flag */
u32 msg_enable;
int max_jumbo_frame_size;
int chipset;
int mcfg;
int pcfg;
u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
u32 dirty_rx;
u32 dirty_tx;
struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
dma_addr_t TxPhyAddr;
dma_addr_t RxPhyAddr;
struct sk_buff *Rx_skbuff[NUM_RX_DESC]; /* Rx data buffers */
struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
unsigned align;
unsigned rx_buf_sz;
struct timer_list link_timer;
struct timer_list esd_timer;
struct pci_resource pci_cfg_space;
unsigned int esd_flag;
unsigned int pci_cfg_is_read;
u16 cp_cmd;
u16 intr_mask;
int phy_auto_nego_reg;
int phy_1000_ctrl_reg;
u8 org_mac_addr[NODE_ADDRESS_SIZE];
#ifdef CONFIG_R8169_VLAN
struct vlan_group *vlgrp;
#endif
u8 autoneg;
u8 duplex;
u32 speed;
u32 advertising;
enum rtl8169_fc_mode fcpause;
int (*set_speed)(struct net_device *, u8 autoneg, u32 speed, u8 duplex, u32 adv);
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
void (*get_settings)(struct net_device *, struct ethtool_cmd *);
#else
void (*get_settings)(struct net_device *, struct ethtool_link_ksettings *);
#endif
void (*phy_reset_enable)(struct net_device *);
unsigned int (*phy_reset_pending)(struct net_device *);
unsigned int (*link_ok)(struct net_device *);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
struct work_struct task;
#else
struct delayed_work task;
#endif
unsigned wol_enabled;
unsigned features;
u8 UseSwPaddingShortPkt;
u8 random_mac;
};
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34)
#define netdev_mc_count(dev) ((dev)->mc_count)
#define netdev_mc_empty(dev) (netdev_mc_count(dev) == 0)
#endif
#define LSO_32K 32000
#define LSO_64K 64000
#define NIC_MIN_PHYS_BUF_COUNT (2)
#define NIC_MAX_PHYS_BUF_COUNT_LSO_64K (24)
#define NIC_MAX_PHYS_BUF_COUNT_LSO2 (16*4)
#define MSS_MAX 0x07ffu /* MSS value */