/*
################################################################################
#
# r8101 is the Linux device driver released for RealTek RTL8101E, RTL8102E,
# and RTL8103E Fast Ethernet controllers with PCI-Express interface.
#
# Copyright(c) 2010 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:
* US5,307,459, US5,434,872, US5,732,094, US6,570,884, US6,115,776, and US6,327,625.
*/
#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
#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
#ifdef HAVE_NET_DEVICE_OPS
#define RTL_NET_DEVICE_OPS(ops) dev->netdev_ops=&ops
#else
#ifdef CONFIG_NET_POLL_CONTROLLER
#define RTL_NET_POLL_CONTROLLER dev->poll_controller=rtl8101_netpoll
#else
#define RTL_NET_POLL_CONTROLLER
#endif
#ifdef CONFIG_R8101_VLAN
#define RTL_SET_VLAN dev->vlan_rx_register=rtl8101_vlan_rx_register
#else
#define RTL_SET_VLAN
#endif
#define RTL_NET_DEVICE_OPS(ops) dev->open=rtl8101_open; \
dev->hard_start_xmit=rtl8101_start_xmit; \
dev->get_stats=rtl8101_get_stats; \
dev->stop=rtl8101_close; \
dev->tx_timeout=rtl8101_tx_timeout; \
dev->set_multicast_list=rtl8101_set_rx_mode; \
dev->change_mtu=rtl8101_change_mtu; \
dev->set_mac_address=rtl8101_set_mac_address; \
dev->do_ioctl=rtl8101_do_ioctl; \
RTL_NET_POLL_CONTROLLER; \
RTL_SET_VLAN;
#endif //HAVE_NET_DEVICE_OPS
//Due to the hardware design of RTL8101E, the low 32 bit address of receive
//buffer must be 8-byte alignment.
#define RTK_RX_ALIGN 8
#define NODE_ADDRESS_SIZE 6
#ifdef CONFIG_R8101_NAPI
#define NAPI_SUFFIX "-NAPI"
#else
#define NAPI_SUFFIX ""
#endif
#define RTL8101_VERSION "1.018.00" NAPI_SUFFIX
#define MODULENAME "r8101"
#define PFX MODULENAME ": "
#define GPL_CLAIM "\
r8101 Copyright (C) 2010 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 RTL8101_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 /* RTL8101_DEBUG */
#define R8101_MSG_DEFAULT \
(NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
#define TX_BUFFS_AVAIL(tp) \
(tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
#ifdef CONFIG_R8101_NAPI
#define rtl8101_rx_skb netif_receive_skb
#define rtl8101_rx_hwaccel_skb vlan_hwaccel_receive_skb
#define rtl8101_rx_quota(count, quota) min(count, quota)
#else
#define rtl8101_rx_skb netif_rx
#define rtl8101_rx_hwaccel_skb vlan_hwaccel_rx
#define rtl8101_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
#define Reserved2_data 7
#define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
#define Reserved1_data 0x3F
#define RxPacketMaxSize 0x3FE8 /* 16K - 1 - ETH_HLEN - VLAN - CRC... */
//#define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
#define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
#define R8101_REGS_SIZE 256
#define R8101_NAPI_WEIGHT 64
#define NUM_TX_DESC 1024 /* Number of Tx descriptor registers */
#define NUM_RX_DESC 1024 /* Number of Rx descriptor registers */
#define RX_BUF_SIZE 0x05EF /* Rx Buffer size */
#define R8101_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
#define R8101_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
#define RTL8101_TX_TIMEOUT (6*HZ)
#define RTL8101_ASPM_TIMEOUT (2*HZ)
#define RTL8101_LINK_DOWN_TIMEOUT (1*HZ)
#define RTL8101_ESD_TIMEOUT (2*HZ)
#define RTL8101_LINK_DOWN_CHECK_TIMEOUT (10*HZ)
#define RTL_PCI_VENDOR_ID 0x10ec
/* 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
/*****************************************************************************/
#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(ndev, budget) ndev->quota
#define RTL_NAPI_QUOTA_UPDATE(ndev, work_done, budget) *budget -= work_done; \
ndev->quota -= work_done;
#define RTL_NETIF_RX_COMPLETE(dev, napi) 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)
#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(ndev, 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) 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) 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)
#define RTL_NETIF_RX_COMPLETE(dev, napi) napi_complete(napi)
#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(2,6,9)
#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)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8)
#ifdef __CHECKER__
#define __force __attribute__((force))
#else
#define __force
#endif
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8)
#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
/*****************************************************************************/
/* 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(2,6,4) )
#define MODULE_VERSION(_version) MODULE_INFO(version, _version)
#endif /* 2.6.4 => 2.6.0 */
/*****************************************************************************/
/* 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 */
/*****************************************************************************/
/* 2.4.22 => 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(2,6,0)
/*
* 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
#ifdef CONFIG_SMP
#define rtl_wmb() smp_wmb()
#define rtl_rmb() smp_rmb()
#else
#define rtl_wmb() wmb()
#define rtl_rmb() rmb()
#endif
/* ----------------------------------------------------------- */
enum RTL8101_DSM_STATE {
DSM_MAC_INIT = 1,
DSM_NIC_GOTO_D3 = 2,
DSM_IF_DOWN = 3,
DSM_NIC_RESUME_D3 = 4,
DSM_IF_UP = 5,
};
enum RTL8101_registers {
MAC0 = 0, /* Ethernet hardware address. */
MAC4 = 0x04,
MAR0 = 8, /* Multicast filter. */
CounterAddrLow = 0x10,
CounterAddrHigh = 0x14,
TxDescStartAddrLow = 0x20,
TxDescStartAddrHigh = 0x24,
TxHDescStartAddrLow = 0x28,
TxHDescStartAddrHigh = 0x2c,
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,
PHYAR = 0x60,
CSIDR = 0x64,
CSIAR = 0x68,
PHYstatus = 0x6C,
MACDBG = 0x6D,
GPIO = 0x6E,
PMCH = 0x6F,
ERIDR = 0x70,
ERIAR = 0x74,
EPHYAR = 0x80,
DBG_reg = 0xD1,
RxMaxSize = 0xDA,
CPlusCmd = 0xE0,
IntrMitigate = 0xE2,
RxDescAddrLow = 0xE4,
RxDescAddrHigh = 0xE8,
MTPS = 0xEC,
PHYIO = 0xF8,
};
enum RTL8101_register_content {
/* InterruptStatusBits */
SYSErr = 0x8000,
PCSTimeout = 0x4000,
SWInt = 0x0100,
TxDescUnavail = 0x80,
RxFIFOOver = 0x40,
LinkChg = 0x20,
RxDescUnavail = 0x10,
TxErr = 0x08,
TxOK = 0x04,
RxErr = 0x02,
RxOK = 0x01,
/* RxStatusDesc */
RxRES = 0x00200000,
RxCRC = 0x00080000,
RxRUNT = 0x00100000,
RxRWT = 0x00400000,
/* ChipCmdBits */
StopReq = 0x80,
CmdReset = 0x10,
CmdRxEnb = 0x08,
CmdTxEnb = 0x04,
RxBufEmpty = 0x01,
/* Cfg9346Bits */
Cfg9346_Lock = 0x00,
Cfg9346_Unlock = 0xC0,
Cfg9346_EEDO = (1 << 0),
Cfg9346_EEDI = (1 << 1),
Cfg9346_EESK = (1 << 2),
Cfg9346_EECS = (1 << 3),
Cfg9346_EEM0 = (1 << 6),
Cfg9346_EEM1 = (1 << 7),
/* 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,
RxCfg_9356SEL = (1 << 6),
/* TxConfigBits */
TxInterFrameGapShift = 24,
TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
TxMACLoopBack = (1 << 17), /* MAC loopback */
/* Config1 register p.24 */
LEDS1 = (1 << 7),
LEDS0 = (1 << 6),
Speed_down = (1 << 4),
MEMMAP = (1 << 3),
IOMAP = (1 << 2),
VPD = (1 << 1),
PMEnable = (1 << 0), /* Power Management Enable */
/* 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 */
/* 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# */
ECRCEN = (1 << 3),
Jumbo_En = (1 << 2),
RDY_TO_L23 = (1 << 1),
Beacon_en = (1 << 0),
/* Config4 register */
LANWake = (1 << 1),
/* CPlusCmd */
EnableBist = (1 << 15),
Macdbgo_oe = (1 << 14),
Normal_mode = (1 << 13),
Force_halpdup = (1 << 12),
Force_rxflow_en = (1 << 11),
Force_txflow_en = (1 << 10),
Cxpl_dbg_sel = (1 << 9),
ASF = (1 << 8),
PktCntrDisable = (1 << 7),
RxVlan = (1 << 6),
RxChkSum = (1 << 5),
PCIDAC = (1 << 4),
Macdbgo_sel = 0x001C,
INTT_0 = 0x0000,
INTT_1 = 0x0001,
INTT_2 = 0x0002,
INTT_3 = 0x0003,
/* rtl8101_PHYstatus */
TxFlowCtrl = 0x40,
RxFlowCtrl = 0x20,
_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,
/* PHY IO access */
PHYIO_Flag = 0x80000000,
PHYIO_Write = 0x80000000,
PHYIO_Read = 0x00000000,
PHYIO_Reg_Mask = 0x1f,
PHYIO_Reg_shift = 16,
PHYIO_Data_Mask = 0xffff,
/* EPHY access */
EPHYAR_Flag = 0x80000000,
EPHYAR_Write = 0x80000000,
EPHYAR_Read = 0x00000000,
EPHYAR_Reg_Mask = 0x1f,
EPHYAR_Reg_shift = 16,
EPHYAR_Data_Mask = 0xffff,
/* CSI access */
CSIAR_Flag = 0x80000000,
CSIAR_Write = 0x80000000,
CSIAR_Read = 0x00000000,
CSIAR_ByteEn = 0x0f,
CSIAR_ByteEn_shift = 12,
CSIAR_Addr_Mask = 0x0fff,
/* ERI access */
ERIAR_Flag = 0x80000000,
ERIAR_Write = 0x80000000,
ERIAR_Read = 0x00000000,
ERIAR_Addr_Align = 4, /* ERI access register address must be 4 byte alignment */
ERIAR_ExGMAC = 0,
ERIAR_MSIX = 1,
ERIAR_ASF = 2,
ERIAR_Type_shift = 16,
ERIAR_ByteEn = 0x0f,
ERIAR_ByteEn_shift = 12,
/* GPIO */
GPIO_en = (1 << 0),
};
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 */
/*------ offset 0 of tx descriptor ------*/
LargeSend = (1 << 27), /* TCP Large Send Offload (TSO) */
MSSShift = 16, /* MSS value position */
MSSMask = 0xfff, /* MSS value + LargeSend bit: 12 bits */
TxIPCS = (1 << 18), /* Calculate IP checksum */
TxUDPCS = (1 << 17), /* Calculate UDP/IP checksum */
TxTCPCS = (1 << 16), /* Calculate TCP/IP checksum */
TxVlanTag = (1 << 17), /* Add VLAN tag */
/*@@@@@@ offset 4 of tx descriptor => bits for RTL8102E only begin @@@@@@*/
TxUDPCS_C = (1 << 31), /* Calculate UDP/IP checksum */
TxTCPCS_C = (1 << 30), /* Calculate TCP/IP checksum */
TxIPCS_C = (1 << 29), /* Calculate IP checksum */
/*@@@@@@ offset 4 of tx descriptor => bits for RTL8102E only end @@@@@@*/
/* Rx private */
/*------ offset 0 of rx descriptor ------*/
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
RxIPF = (1 << 16), /* IP checksum failed */
RxUDPF = (1 << 15), /* UDP/IP checksum failed */
RxTCPF = (1 << 14), /* TCP/IP checksum failed */
RxVlanTag = (1 << 16), /* VLAN tag available */
/*@@@@@@ offset 0 of rx descriptor => bits for RTL8102E only begin @@@@@@*/
RxUDPT = (1 << 18),
RxTCPT = (1 << 17),
/*@@@@@@ offset 0 of rx descriptor => bits for RTL8102E only end @@@@@@*/
/*@@@@@@ offset 4 of rx descriptor => bits for RTL8102E only begin @@@@@@*/
RxV6F = (1 << 31),
RxV4F = (1 << 30),
/*@@@@@@ offset 4 of rx descriptor => bits for RTL8102E only end @@@@@@*/
};
struct rtl8101_counters {
u64 tx_packets;
u64 rx_packets;
u64 tx_errors;
u32 rx_errors;
u16 rx_missed;
u16 align_errors;
u32 tx_one_collision;
u32 tx_multi_collision;
u64 rx_unicast;
u64 rx_broadcast;
u32 rx_multicast;
u16 tx_aborted;
u16 tx_underun;
};
enum wol_capability {
WOL_DISABLED = 0,
WOL_ENABLED = 1
};
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)];
};
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;
};
struct rtl8101_private {
void __iomem *mmio_addr; /* memory map physical address */
struct pci_dev *pci_dev; /* Index of PCI device */
struct net_device *dev;
#ifdef CONFIG_R8101_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 */
spinlock_t phy_lock; /* spin lock flag for PHY */
u32 msg_enable;
u32 tx_tcp_csum_cmd;
u32 tx_udp_csum_cmd;
u32 tx_ip_csum_cmd;
int chipset;
int mcfg;
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 rx_buf_sz;
struct timer_list aspm_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;
uint8_t mac_addr[NODE_ADDRESS_SIZE];
struct rtl8101_counters *counters;
dma_addr_t paddr;
#ifdef CONFIG_R8101_VLAN
struct vlan_group *vlgrp;
#endif
int (*set_speed)(struct net_device *, u8 autoneg, u16 speed, u8 duplex);
void (*get_settings)(struct net_device *, struct ethtool_cmd *);
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;
};