2073 lines
57 KiB
NASM
2073 lines
57 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;;
|
|
;; Distributed under terms of the GNU General Public License ;;
|
|
;; ;;
|
|
;; FORCEDETH.INC ;;
|
|
;; ;;
|
|
;; Ethernet driver for Kolibri OS ;;
|
|
;; ;;
|
|
;; Driver for chips of NVIDIA nForce2 ;;
|
|
;; References: ;;
|
|
;; forcedeth.c - linux driver (etherboot project) ;;
|
|
;; ethernet driver template by Mike Hibbett ;;
|
|
;; ;;
|
|
;; The copyright statement is ;;
|
|
;; ;;
|
|
;; GNU GENERAL PUBLIC LICENSE ;;
|
|
;; Version 2, June 1991 ;;
|
|
;; ;;
|
|
;; Copyright 2008 shurf, ;;
|
|
;; cit.utc@gmail.com ;;
|
|
;; ;;
|
|
;; See file COPYING for details ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
|
|
format PE DLL native
|
|
entry START
|
|
|
|
CURRENT_API = 0x0200
|
|
COMPATIBLE_API = 0x0100
|
|
API_VERSION = (COMPATIBLE_API shl 16) + CURRENT_API
|
|
|
|
MAX_DEVICES = 16
|
|
|
|
RBLEN = 0 ; Receive buffer size: 0=4K 1=8k 2=16k 3=32k 4=64k
|
|
; FIXME: option 1 and 2 will not allocate buffer correctly causing data loss!
|
|
|
|
DEBUG = 1
|
|
__DEBUG__ = 1
|
|
__DEBUG_LEVEL__ = 2
|
|
|
|
RX_RING = 4
|
|
TX_RING = 4
|
|
|
|
section '.flat' readable writable executable
|
|
|
|
include '../proc32.inc'
|
|
include '../struct.inc'
|
|
include '../macros.inc'
|
|
include '../fdo.inc'
|
|
include '../netdrv_pe.inc'
|
|
|
|
;**************************************************************************
|
|
; forcedeth Register Definitions
|
|
;**************************************************************************
|
|
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_1 = 0x01c3
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_2 = 0x0066
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_4 = 0x0086
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_5 = 0x008c
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_3 = 0x00d6
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_7 = 0x00df
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_6 = 0x00e6
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_8 = 0x0056
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_9 = 0x0057
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_10 = 0x0037
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_11 = 0x0038
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_12 = 0x0268
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_13 = 0x0269
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_14 = 0x0372
|
|
PCI_DEVICE_ID_NVIDIA_NVENET_15 = 0x0373
|
|
|
|
UNKSETUP1_VAL = 0x16070f
|
|
UNKSETUP2_VAL = 0x16
|
|
UNKSETUP3_VAL1 = 0x200010
|
|
UNKSETUP4_VAL = 8
|
|
UNKSETUP5_BIT31 = (1 shl 31)
|
|
UNKSETUP6_VAL = 3
|
|
|
|
TXRXCTL_RXCHECK = 0x0400
|
|
MIISTAT_ERROR = 0x0001
|
|
MIISTAT_MASK = 0x000f
|
|
MIISTAT_MASK2 = 0x000f
|
|
MIICTL_INUSE = 0x08000
|
|
MIICTL_WRITE = 0x00400
|
|
MIICTL_ADDRSHIFT = 5
|
|
|
|
MIISPEED_BIT8 = (1 shl 8)
|
|
MIIDELAY = 5
|
|
|
|
IRQ_RX_ERROR = 0x0001
|
|
IRQ_RX = 0x0002
|
|
IRQ_RX_NOBUF = 0x0004
|
|
IRQ_TX_ERROR = 0x0008
|
|
IRQ_TX_OK = 0x0010
|
|
IRQ_TIMER = 0x0020
|
|
IRQ_LINK = 0x0040
|
|
IRQ_RX_FORCED = 0x0080
|
|
IRQ_TX_FORCED = 0x0100
|
|
IRQ_RECOVER_ERROR = 0x8200 ;
|
|
IRQMASK_WANTED_2 = IRQ_TX_FORCED + IRQ_LINK + IRQ_RX_ERROR + IRQ_RX + IRQ_TX_OK + IRQ_TX_ERROR
|
|
|
|
IRQ_RX_ALL = IRQ_RX_ERROR or IRQ_RX or IRQ_RX_NOBUF or IRQ_RX_FORCED
|
|
IRQ_TX_ALL = IRQ_TX_ERROR or IRQ_TX_OK or IRQ_TX_FORCED
|
|
IRQ_OTHER = IRQ_LINK or IRQ_TIMER or IRQ_RECOVER_ERROR
|
|
|
|
IRQSTAT_MASK = 0x1ff
|
|
|
|
TXRXCTL_KICK = 0x0001
|
|
TXRXCTL_BIT1 = 0x0002
|
|
TXRXCTL_BIT2 = 0x0004
|
|
TXRXCTL_IDLE = 0x0008
|
|
TXRXCTL_RESET = 0x0010
|
|
TXRXCTL_RXCHECK = 0x0400
|
|
|
|
MCASTADDRA_FORCE = 0x01
|
|
|
|
MAC_RESET_ASSERT = 0x0F3
|
|
|
|
MISC1_HD = 0x02
|
|
MISC1_FORCE = 0x3b0f3c
|
|
|
|
PFF_ALWAYS = 0x7F0008
|
|
PFF_PROMISC = 0x80
|
|
PFF_MYADDR = 0x20
|
|
|
|
OFFLOAD_HOMEPHY = 0x601
|
|
OFFLOAD_NORMAL = 4096 shl RBLEN
|
|
|
|
RNDSEED_MASK = 0x00ff
|
|
RNDSEED_FORCE = 0x7f00
|
|
RNDSEED_FORCE2 = 0x2d00
|
|
RNDSEED_FORCE3 = 0x7400
|
|
|
|
; POLL_DEFAULT is the interval length of the timer source on the nic
|
|
; POLL_DEFAULT=97 would result in an interval length of 1 ms
|
|
POLL_DEFAULT = 970
|
|
|
|
ADAPTCTL_START = 0x02
|
|
ADAPTCTL_LINKUP = 0x04
|
|
ADAPTCTL_PHYVALID = 0x40000
|
|
ADAPTCTL_RUNNING = 0x100000
|
|
ADAPTCTL_PHYSHIFT = 24
|
|
|
|
WAKEUPFLAGS_VAL = 0x7770
|
|
|
|
POWERSTATE_POWEREDUP = 0x8000
|
|
POWERSTATE_VALID = 0x0100
|
|
POWERSTATE_MASK = 0x0003
|
|
POWERSTATE_D0 = 0x0000
|
|
POWERSTATE_D1 = 0x0001
|
|
POWERSTATE_D2 = 0x0002
|
|
POWERSTATE_D3 = 0x0003
|
|
|
|
POWERSTATE2_POWERUP_MASK = 0x0F11
|
|
POWERSTATE2_POWERUP_REV_A3= 0x0001
|
|
|
|
RCVCTL_START = 0x01
|
|
RCVSTAT_BUSY = 0x01
|
|
|
|
XMITCTL_START = 0x01
|
|
|
|
LINKSPEED_FORCE = 0x10000
|
|
LINKSPEED_10 = 1000
|
|
LINKSPEED_100 = 100
|
|
LINKSPEED_1000 = 50
|
|
|
|
RINGSZ_TXSHIFT = 0
|
|
RINGSZ_RXSHIFT = 16
|
|
|
|
LPA_1000FULL = 0x0800
|
|
|
|
; Link partner ability register.
|
|
LPA_SLCT = 0x001f ; Same as advertise selector
|
|
LPA_10HALF = 0x0020 ; Can do 10mbps half-duplex
|
|
LPA_10FULL = 0x0040 ; Can do 10mbps full-duplex
|
|
LPA_100HALF = 0x0080 ; Can do 100mbps half-duplex
|
|
LPA_100FULL = 0x0100 ; Can do 100mbps full-duplex
|
|
LPA_100BASE4 = 0x0200 ; Can do 100mbps 4k packets
|
|
LPA_RESV = 0x1c00 ; Unused...
|
|
LPA_RFAULT = 0x2000 ; Link partner faulted
|
|
LPA_LPACK = 0x4000 ; Link partner acked us
|
|
LPA_NPAGE = 0x8000 ; Next page bit
|
|
|
|
MII_READ = (-1)
|
|
MII_PHYSID1 = 0x02 ; PHYS ID 1
|
|
MII_PHYSID2 = 0x03 ; PHYS ID 2
|
|
MII_BMCR = 0x00 ; Basic mode control register
|
|
MII_BMSR = 0x01 ; Basic mode status register
|
|
MII_ADVERTISE = 0x04 ; Advertisement control reg
|
|
MII_LPA = 0x05 ; Link partner ability reg
|
|
MII_SREVISION = 0x16 ; Silicon revision
|
|
MII_RESV1 = 0x17 ; Reserved...
|
|
MII_NCONFIG = 0x1c ; Network interface config
|
|
|
|
; PHY defines
|
|
PHY_OUI_MARVELL = 0x5043
|
|
PHY_OUI_CICADA = 0x03f1
|
|
PHYID1_OUI_MASK = 0x03ff
|
|
PHYID1_OUI_SHFT = 6
|
|
PHYID2_OUI_MASK = 0xfc00
|
|
PHYID2_OUI_SHFT = 10
|
|
PHY_INIT1 = 0x0f000
|
|
PHY_INIT2 = 0x0e00
|
|
PHY_INIT3 = 0x01000
|
|
PHY_INIT4 = 0x0200
|
|
PHY_INIT5 = 0x0004
|
|
PHY_INIT6 = 0x02000
|
|
PHY_GIGABIT = 0x0100
|
|
|
|
PHY_TIMEOUT = 0x1
|
|
PHY_ERROR = 0x2
|
|
|
|
PHY_100 = 0x1
|
|
PHY_1000 = 0x2
|
|
PHY_HALF = 0x100
|
|
|
|
PHY_RGMII = 0x10000000
|
|
|
|
; desc_ver values:
|
|
; This field has two purposes:
|
|
; - Newer nics uses a different ring layout. The layout is selected by
|
|
; comparing np->desc_ver with DESC_VER_xy.
|
|
; - It contains bits that are forced on when writing to TxRxControl.
|
|
DESC_VER_1 = 0x0
|
|
DESC_VER_2 = (0x02100 or TXRXCTL_RXCHECK)
|
|
|
|
NV_TX_LASTPACKET = (1 shl 16)
|
|
NV_TX_RETRYERROR = (1 shl 19)
|
|
NV_TX_LASTPACKET1 = (1 shl 24)
|
|
NV_TX_DEFERRED = (1 shl 26)
|
|
NV_TX_CARRIERLOST = (1 shl 27)
|
|
NV_TX_LATECOLLISION = (1 shl 28)
|
|
NV_TX_UNDERFLOW = (1 shl 29)
|
|
NV_TX_ERROR = (1 shl 30)
|
|
NV_TX_VALID = (1 shl 31)
|
|
|
|
NV_TX2_LASTPACKET = (1 shl 29)
|
|
NV_TX2_RETRYERROR = (1 shl 18)
|
|
NV_TX2_LASTPACKET1 = (1 shl 23)
|
|
NV_TX2_DEFERRED = (1 shl 25)
|
|
NV_TX2_CARRIERLOST = (1 shl 26)
|
|
NV_TX2_LATECOLLISION = (1 shl 27)
|
|
NV_TX2_UNDERFLOW = (1 shl 28)
|
|
; error and valid are the same for both
|
|
NV_TX2_ERROR = (1 shl 30)
|
|
NV_TX2_VALID = (1 shl 31)
|
|
|
|
NV_RX_DESCRIPTORVALID = (1 shl 16)
|
|
NV_RX_AVAIL = (1 shl 31)
|
|
|
|
NV_RX2_DESCRIPTORVALID = (1 shl 29)
|
|
|
|
FLAG_MASK_V1 = 0xffff0000
|
|
FLAG_MASK_V2 = 0xffffc000
|
|
LEN_MASK_V1 = (0xffffffff xor FLAG_MASK_V1)
|
|
LEN_MASK_V2 = (0xffffffff xor FLAG_MASK_V2)
|
|
|
|
; Miscelaneous hardware related defines:
|
|
NV_PCI_REGSZ_VER1 = 0x270
|
|
NV_PCI_REGSZ_VER2 = 0x604
|
|
; various timeout delays: all in usec
|
|
NV_TXRX_RESET_DELAY = 4
|
|
NV_TXSTOP_DELAY1 = 10
|
|
NV_TXSTOP_DELAY1MAX = 500000
|
|
NV_TXSTOP_DELAY2 = 100
|
|
NV_RXSTOP_DELAY1 = 10
|
|
NV_RXSTOP_DELAY1MAX = 500000
|
|
NV_RXSTOP_DELAY2 = 100
|
|
NV_SETUP5_DELAY = 5
|
|
NV_SETUP5_DELAYMAX = 50000
|
|
NV_POWERUP_DELAY = 5
|
|
NV_POWERUP_DELAYMAX = 5000
|
|
NV_MIIBUSY_DELAY = 50
|
|
NV_MIIPHY_DELAY = 10
|
|
NV_MIIPHY_DELAYMAX = 10000
|
|
NV_MAC_RESET_DELAY = 64
|
|
NV_WAKEUPPATTERNS = 5
|
|
NV_WAKEUPMASKENTRIES = 4
|
|
|
|
; Advertisement control register.
|
|
ADVERTISE_SLCT = 0x001f ; Selector bits
|
|
ADVERTISE_CSMA = 0x0001 ; Only selector supported
|
|
ADVERTISE_10HALF = 0x0020 ; Try for 10mbps half-duplex
|
|
ADVERTISE_10FULL = 0x0040 ; Try for 10mbps full-duplex
|
|
ADVERTISE_100HALF = 0x0080 ; Try for 100mbps half-duplex
|
|
ADVERTISE_100FULL = 0x0100 ; Try for 100mbps full-duplex
|
|
ADVERTISE_100BASE4 = 0x0200 ; Try for 100mbps 4k packets
|
|
ADVERTISE_RESV = 0x1c00 ; Unused...
|
|
ADVERTISE_RFAULT = 0x2000 ; Say we can detect faults
|
|
ADVERTISE_LPACK = 0x4000 ; Ack link partners response
|
|
ADVERTISE_NPAGE = 0x8000 ; Next page bit
|
|
|
|
ADVERTISE_FULL = (ADVERTISE_100FULL or ADVERTISE_10FULL or ADVERTISE_CSMA)
|
|
ADVERTISE_ALL = (ADVERTISE_10HALF or ADVERTISE_10FULL or ADVERTISE_100HALF or ADVERTISE_100FULL)
|
|
|
|
MII_1000BT_CR = 0x09
|
|
MII_1000BT_SR = 0x0a
|
|
ADVERTISE_1000FULL = 0x0200
|
|
ADVERTISE_1000HALF = 0x0100
|
|
|
|
BMCR_ANRESTART = 0x0200 ; Auto negotiation restart
|
|
BMCR_ANENABLE = 0x1000 ; Enable auto negotiation
|
|
BMCR_SPEED100 = 0x2000 ; Select 100Mbps
|
|
BMCR_LOOPBACK = 0x4000 ; TXD loopback bits
|
|
BMCR_RESET = 0x8000 ; Reset the DP83840
|
|
|
|
; Basic mode status register.
|
|
BMSR_ERCAP = 0x0001 ; Ext-reg capability
|
|
BMSR_JCD = 0x0002 ; Jabber detected
|
|
BMSR_LSTATUS = 0x0004 ; Link status
|
|
BMSR_ANEGCAPABLE = 0x0008 ; Able to do auto-negotiation
|
|
BMSR_RFAULT = 0x0010 ; Remote fault detected
|
|
BMSR_ANEGCOMPLETE = 0x0020 ; Auto-negotiation complete
|
|
BMSR_RESV = 0x07c0 ; Unused...
|
|
BMSR_10HALF = 0x0800 ; Can do 10mbps, half-duplex
|
|
BMSR_10FULL = 0x1000 ; Can do 10mbps, full-duplex
|
|
BMSR_100HALF = 0x2000 ; Can do 100mbps, half-duplex
|
|
BMSR_100FULL = 0x4000 ; Can do 100mbps, full-duplex
|
|
BMSR_100BASE4 = 0x8000 ; Can do 100mbps, 4k packets
|
|
|
|
struct TxDesc
|
|
PacketBuffer dd ?
|
|
FlagLen dd ?
|
|
ends
|
|
|
|
struct RxDesc
|
|
PacketBuffer dd ?
|
|
FlagLen dd ?
|
|
ends
|
|
|
|
struct device ETH_DEVICE
|
|
|
|
pci_bus dd ?
|
|
pci_dev dd ?
|
|
|
|
mmio_addr dd ?
|
|
vendor_id dw ?
|
|
device_id dw ?
|
|
txflags dd ?
|
|
desc_ver dd ?
|
|
irqmask dd ?
|
|
wolenabled dd ?
|
|
in_shutdown dd ?
|
|
cur_rx dd ?
|
|
cur_tx dd ?
|
|
last_tx dd ?
|
|
phyaddr dd ?
|
|
phy_oui dd ?
|
|
gigabit dd ?
|
|
needs_mac_reset dd ?
|
|
linkspeed dd ?
|
|
duplex dd ?
|
|
nocable dd ?
|
|
|
|
rb 0x100 - ($ and 0xff)
|
|
tx_ring rd (TX_RING * sizeof.TxDesc) /4*2
|
|
|
|
rb 0x100 - ($ and 0xff)
|
|
rx_ring rd (RX_RING * sizeof.RxDesc) /4*2
|
|
|
|
ends
|
|
|
|
|
|
|
|
virtual at edi
|
|
IrqStatus dd ?
|
|
IrqMask dd ?
|
|
UnknownSetupReg6 dd ?
|
|
PollingInterval dd ?
|
|
end virtual
|
|
|
|
virtual at edi + 0x3c
|
|
MacReset dd ?
|
|
end virtual
|
|
|
|
virtual at edi + 0x80
|
|
Misc1 dd ?
|
|
TransmitterControl dd ?
|
|
TransmitterStatus dd ?
|
|
PacketFilterFlags dd ?
|
|
OffloadConfig dd ?
|
|
ReceiverControl dd ?
|
|
ReceiverStatus dd ?
|
|
RandomSeed dd ?
|
|
UnknownSetupReg1 dd ?
|
|
UnknownSetupReg2 dd ?
|
|
MacAddrA dd ?
|
|
MacAddrB dd ?
|
|
MulticastAddrA dd ?
|
|
MulticastAddrB dd ?
|
|
MulticastMaskA dd ?
|
|
MulticastMaskB dd ?
|
|
PhyInterface dd ?
|
|
end virtual
|
|
|
|
virtual at edi + 0x100
|
|
TxRingPhysAddr dd ?
|
|
RxRingPhysAddr dd ?
|
|
RingSizes dd ?
|
|
UnknownTransmitterReg dd ?
|
|
LinkSpeed dd ?
|
|
end virtual
|
|
|
|
virtual at edi + 0x130
|
|
UnknownSetupReg5 dd ?
|
|
end virtual
|
|
|
|
virtual at edi + 0x13c
|
|
UnknownSetupReg3 dd ?
|
|
end virtual
|
|
|
|
virtual at edi + 0x144
|
|
TxRxControl dd ?
|
|
end virtual
|
|
|
|
virtual at edi + 0x180
|
|
MIIStatus dd ?
|
|
UnknownSetupReg4 dd ?
|
|
AdapterControl dd ?
|
|
MIISpeed dd ?
|
|
MIIControl dd ?
|
|
MIIData dd ?
|
|
end virtual
|
|
|
|
virtual at edi + 0x200
|
|
WakeUpFlags dd ?
|
|
end virtual
|
|
|
|
virtual at edi + 0x26c
|
|
PowerState dd ?
|
|
end virtual
|
|
|
|
virtual at edi + 0x600
|
|
PowerState2 dd ?
|
|
end virtual
|
|
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; proc START ;;
|
|
;; ;;
|
|
;; (standard driver proc) ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
proc START c, reason:dword, cmdline:dword
|
|
|
|
cmp [reason], DRV_ENTRY
|
|
jne .fail
|
|
|
|
DEBUGF 2,"Loading driver\n"
|
|
invoke RegService, my_service, service_proc
|
|
ret
|
|
|
|
.fail:
|
|
xor eax, eax
|
|
ret
|
|
|
|
endp
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; proc SERVICE_PROC ;;
|
|
;; ;;
|
|
;; (standard driver proc) ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
proc service_proc stdcall, ioctl:dword
|
|
|
|
mov edx, [ioctl]
|
|
mov eax, [edx + IOCTL.io_code]
|
|
|
|
;------------------------------------------------------
|
|
|
|
cmp eax, 0 ;SRV_GETVERSION
|
|
jne @F
|
|
|
|
cmp [edx + IOCTL.out_size], 4
|
|
jb .fail
|
|
mov eax, [edx + IOCTL.output]
|
|
mov [eax], dword API_VERSION
|
|
|
|
xor eax, eax
|
|
ret
|
|
|
|
;------------------------------------------------------
|
|
@@:
|
|
cmp eax, 1 ;SRV_HOOK
|
|
jne .fail
|
|
|
|
cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes
|
|
jb .fail
|
|
|
|
mov eax, [edx + IOCTL.input]
|
|
cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given
|
|
jne .fail ; other types arent supported for this card yet
|
|
|
|
; check if the device is already listed
|
|
|
|
mov esi, device_list
|
|
mov ecx, [devices]
|
|
test ecx, ecx
|
|
jz .firstdevice
|
|
|
|
; mov eax, [edx + IOCTL.input] ; get the pci bus and device numbers
|
|
mov ax, [eax+1]
|
|
.nextdevice:
|
|
mov ebx, [esi]
|
|
cmp al, byte [ebx + device.pci_bus] ; compare with pci and device num in device list (notice the usage of word instead of byte)
|
|
jne @f
|
|
cmp ah, byte [ebx + device.pci_dev]
|
|
je .find_devicenum ; Device is already loaded, let's find it's device number
|
|
@@:
|
|
add esi, 4
|
|
loop .nextdevice
|
|
|
|
|
|
; This device doesnt have its own eth_device structure yet, lets create one
|
|
.firstdevice:
|
|
cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card
|
|
jae .fail
|
|
|
|
allocate_and_clear ebx, sizeof.device, .fail ; Allocate the buffer for device structure
|
|
|
|
; Fill in the direct call addresses into the struct
|
|
|
|
mov [ebx + device.reset], reset
|
|
mov [ebx + device.transmit], transmit
|
|
mov [ebx + device.unload], .fail
|
|
mov [ebx + device.name], my_service
|
|
|
|
; save the pci bus and device numbers
|
|
|
|
mov eax, [edx + IOCTL.input]
|
|
movzx ecx, byte [eax+1]
|
|
mov [ebx + device.pci_bus], ecx
|
|
movzx ecx, byte [eax+2]
|
|
mov [ebx + device.pci_dev], ecx
|
|
|
|
DEBUGF 1,"Hooking into device, dev:%x, bus:%x\n", [ebx + device.pci_dev], [ebx + device.pci_bus]
|
|
|
|
; Ok, the eth_device structure is ready, let's probe the device
|
|
call probe ; this function will output in eax
|
|
test eax, eax
|
|
jnz .err ; If an error occured, exit
|
|
|
|
mov eax, [devices] ; Add the device structure to our device list
|
|
mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device)
|
|
inc [devices] ;
|
|
|
|
mov [ebx + device.type], NET_TYPE_ETH
|
|
invoke NetRegDev
|
|
|
|
cmp eax, -1
|
|
je .destroy
|
|
|
|
ret
|
|
|
|
; If the device was already loaded, find the device number and return it in eax
|
|
|
|
.find_devicenum:
|
|
DEBUGF 1,"Trying to find device number of already registered device\n"
|
|
invoke NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx
|
|
; into a device number in edi
|
|
mov eax, edi ; Application wants it in eax instead
|
|
DEBUGF 1,"Kernel says: %u\n", eax
|
|
ret
|
|
|
|
; If an error occured, remove all allocated data and exit (returning -1 in eax)
|
|
|
|
.destroy:
|
|
; todo: reset device into virgin state
|
|
|
|
.err:
|
|
invoke KernelFree, ebx
|
|
.fail:
|
|
|
|
ret
|
|
|
|
;------------------------------------------------------
|
|
endp
|
|
|
|
|
|
;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
|
|
;; ;;
|
|
;; Actual Hardware dependent code starts here ;;
|
|
;; ;;
|
|
;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
|
|
|
|
|
|
|
|
|
|
;***************************************************************************
|
|
; Function
|
|
; probe
|
|
; Description
|
|
; Searches for an ethernet card, enables it and clears the rx buffer
|
|
;
|
|
;***************************************************************************
|
|
align 4
|
|
probe:
|
|
|
|
DEBUGF 1,"probe\n"
|
|
|
|
mov [ebx + device.needs_mac_reset], 0
|
|
|
|
; Make the device a bus master and enable response in I/O space
|
|
invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command
|
|
or al, PCI_CMD_MASTER + PCI_CMD_PIO ; + PCI_CMD_MMIO
|
|
invoke PciWrite32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax
|
|
|
|
; Adjust PCI latency to be at least 32
|
|
invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.max_latency
|
|
cmp al, 32
|
|
jae @f
|
|
mov al, 32
|
|
invoke PciWrite8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.max_latency, eax
|
|
@@:
|
|
|
|
; Now, it's time to find the base mmio addres of the PCI device
|
|
stdcall PCI_find_mmio32, [ebx + device.pci_bus], [ebx + device.pci_dev] ; returns in eax
|
|
DEBUGF 1,"mmio_addr= 0x%x\n", eax
|
|
|
|
; Create virtual mapping of the physical memory
|
|
invoke MapIoMem, eax, 10000h, PG_SW + PG_NOCACHE
|
|
test eax, eax
|
|
jz fail
|
|
mov [ebx + device.mmio_addr], eax
|
|
DEBUGF 1,"mapped mmio_addr= 0x%x\n", eax
|
|
|
|
; Read PCI vendor/device ID
|
|
invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.vendor_id
|
|
mov dword[ebx + device.vendor_id], eax
|
|
DEBUGF 1,"vendor = 0x%x\n", [ebx + device.vendor_id]:4
|
|
DEBUGF 1,"device = 0x%x\n", [ebx + device.device_id]:4
|
|
|
|
;-------------------------------------
|
|
; handle different descriptor versions
|
|
mov [ebx + device.desc_ver], DESC_VER_1
|
|
mov ax, [ebx + device.device_id]
|
|
cmp ax, PCI_DEVICE_ID_NVIDIA_NVENET_1
|
|
je .ver1
|
|
cmp ax, PCI_DEVICE_ID_NVIDIA_NVENET_2
|
|
je .ver1
|
|
cmp ax, PCI_DEVICE_ID_NVIDIA_NVENET_3
|
|
je .ver1
|
|
mov [ebx + device.desc_ver], DESC_VER_2
|
|
.ver1:
|
|
|
|
call read_mac
|
|
|
|
; disable WOL
|
|
mov [WakeUpFlags], 0
|
|
mov [ebx + device.wolenabled], 0
|
|
|
|
mov [ebx + device.txflags], (NV_TX2_LASTPACKET or NV_TX2_VALID)
|
|
cmp [ebx + device.desc_ver], DESC_VER_1
|
|
jne @f
|
|
mov [ebx + device.txflags], (NV_TX_LASTPACKET or NV_TX_VALID)
|
|
@@:
|
|
|
|
; BEGIN of switch (pci->dev_id)
|
|
|
|
cmp [ebx + device.device_id], 0x01C3
|
|
jne .not_0x01c3
|
|
; nforce
|
|
mov [ebx + device.irqmask], (IRQMASK_WANTED_2 or IRQ_TIMER) ;;; Was 0
|
|
jmp .find_phy
|
|
.not_0x01c3:
|
|
|
|
cmp [ebx + device.device_id], 0x0066
|
|
je @f
|
|
cmp [ebx + device.device_id], 0x00D6
|
|
jne .not_0x0066
|
|
@@:
|
|
mov [ebx + device.irqmask], (IRQMASK_WANTED_2 or IRQ_TIMER) ;;;; was 0
|
|
cmp [ebx + device.desc_ver], DESC_VER_1
|
|
jne @f
|
|
or [ebx + device.txflags], NV_TX_LASTPACKET1
|
|
jmp .find_phy
|
|
@@:
|
|
or [ebx + device.txflags], NV_TX2_LASTPACKET1
|
|
jmp .find_phy
|
|
.not_0x0066:
|
|
|
|
cmp [ebx + device.device_id], 0x0086
|
|
je @f
|
|
cmp [ebx + device.device_id], 0x008c
|
|
je @f
|
|
cmp [ebx + device.device_id], 0x00e6
|
|
je @f
|
|
cmp [ebx + device.device_id], 0x00df
|
|
je @f
|
|
cmp [ebx + device.device_id], 0x0056
|
|
je @f
|
|
cmp [ebx + device.device_id], 0x0057
|
|
je @f
|
|
cmp [ebx + device.device_id], 0x0037
|
|
je @f
|
|
cmp [ebx + device.device_id], 0x0038
|
|
jne .not_0x0086
|
|
|
|
@@:
|
|
mov [ebx + device.irqmask], (IRQMASK_WANTED_2 or IRQ_TIMER) ;;; was 0
|
|
|
|
cmp [ebx + device.desc_ver], DESC_VER_1
|
|
jne @f
|
|
or [ebx + device.txflags], NV_TX_LASTPACKET1
|
|
jmp .find_phy
|
|
@@:
|
|
or [ebx + device.txflags], NV_TX2_LASTPACKET1
|
|
jmp .find_phy
|
|
.not_0x0086:
|
|
|
|
; cmp word [device_id], 0x0268
|
|
; je @f
|
|
; cmp word [device_id], 0x0269
|
|
; je @f
|
|
; cmp word [device_id], 0x0372
|
|
; je @f
|
|
; cmp word [device_id], 0x0373
|
|
; je @f
|
|
; jmp .default_switch
|
|
;@@:
|
|
cmp [ebx + device.device_id], 0x0268
|
|
jb .undefined
|
|
|
|
; Get device revision
|
|
invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header.revision_id
|
|
mov edi, [ebx + device.mmio_addr] ;;;;;
|
|
|
|
; take phy and nic out of low power mode
|
|
mov ecx, [PowerState2]
|
|
and ecx, not POWERSTATE2_POWERUP_MASK
|
|
cmp [ebx + device.device_id], PCI_DEVICE_ID_NVIDIA_NVENET_12
|
|
je @f
|
|
cmp [ebx + device.device_id], PCI_DEVICE_ID_NVIDIA_NVENET_13
|
|
jne .set_powerstate
|
|
@@:
|
|
cmp al, 0xA3
|
|
jb .set_powerstate
|
|
or ecx, POWERSTATE2_POWERUP_REV_A3
|
|
.set_powerstate:
|
|
mov [PowerState2], ecx
|
|
|
|
; DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ
|
|
mov [ebx + device.irqmask], (IRQMASK_WANTED_2 or IRQ_TIMER) ; was 0
|
|
|
|
mov [ebx + device.needs_mac_reset], 1
|
|
cmp [ebx + device.desc_ver], DESC_VER_1
|
|
jne @f
|
|
or [ebx + device.txflags], NV_TX_LASTPACKET1
|
|
jmp .find_phy
|
|
|
|
@@:
|
|
cmp [ebx + device.desc_ver], DESC_VER_2
|
|
jne .undefined
|
|
or [ebx + device.txflags], NV_TX2_LASTPACKET1
|
|
jmp .find_phy
|
|
|
|
.undefined:
|
|
DEBUGF 2,"Your card was undefined in this driver.\n"
|
|
or eax, -1
|
|
ret
|
|
|
|
; Find a suitable phy
|
|
; Start with address 1 to 31, then do 0, then fail
|
|
|
|
.find_phy:
|
|
xor edx, edx
|
|
.phy_loop:
|
|
inc edx
|
|
and edx, 0x1f ; phyaddr = i & 0x1f
|
|
mov eax, MII_PHYSID1
|
|
mov ecx, MII_READ
|
|
call mii_rw ; EDX - addr, EAX - miireg, ECX - value
|
|
|
|
cmp eax, 0x0000ffff
|
|
je .try_next
|
|
test eax, 0x80000000
|
|
jnz .try_next
|
|
mov esi, eax
|
|
|
|
mov eax, MII_PHYSID2
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
cmp eax, 0x0000ffff
|
|
je .try_next
|
|
test eax, 0x80000000
|
|
jnz .try_next
|
|
jmp .got_it
|
|
|
|
.try_next:
|
|
test edx, edx
|
|
jnz .phy_loop
|
|
|
|
; PHY in isolate mode? No phy attached and user wants to test loopback?
|
|
; Very odd, but can be correct.
|
|
|
|
DEBUGF 2,"Could not find a valid PHY.\n"
|
|
jmp .no_phy
|
|
|
|
.got_it:
|
|
and esi, PHYID1_OUI_MASK
|
|
shl esi, PHYID1_OUI_SHFT
|
|
and eax, PHYID2_OUI_MASK
|
|
shr eax, PHYID2_OUI_SHFT
|
|
or eax, esi
|
|
|
|
mov [ebx + device.phyaddr], edx
|
|
mov [ebx + device.phy_oui], eax
|
|
|
|
DEBUGF 1,"Found PHY with OUI:0x%x at address:0x%x\n", eax, edx
|
|
|
|
call phy_init
|
|
|
|
.no_phy:
|
|
|
|
cmp [ebx + device.needs_mac_reset], 0
|
|
je @f
|
|
call mac_reset
|
|
@@:
|
|
|
|
;***************************************************************************
|
|
; Function
|
|
; reset
|
|
; Description
|
|
; Place the chip (ie, the ethernet card) into a virgin state
|
|
; No inputs
|
|
; All registers destroyed
|
|
;
|
|
;***************************************************************************
|
|
reset:
|
|
|
|
DEBUGF 1,"Resetting\n"
|
|
|
|
invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.interrupt_line
|
|
movzx eax, al
|
|
invoke AttachIntHandler, eax, int_handler, ebx
|
|
test eax, eax
|
|
jnz @f
|
|
DEBUGF 2,"Could not attach int handler!\n"
|
|
or eax, -1
|
|
ret
|
|
@@:
|
|
|
|
; erase previous misconfiguration
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov [MulticastAddrA], MCASTADDRA_FORCE
|
|
mov [MulticastAddrB], 0
|
|
mov [MulticastMaskA], 0
|
|
mov [MulticastMaskB], 0
|
|
mov [PacketFilterFlags], 0
|
|
mov [TransmitterControl], 0
|
|
mov [ReceiverControl], 0
|
|
mov [AdapterControl], 0
|
|
|
|
; initialize descriptor rings
|
|
|
|
call init_ring
|
|
|
|
mov [LinkSpeed], 0
|
|
mov [UnknownTransmitterReg], 0
|
|
|
|
call txrx_reset
|
|
|
|
mov [UnknownSetupReg6], 0
|
|
mov [ebx + device.in_shutdown], 0
|
|
|
|
; give hw rings
|
|
|
|
lea eax, [ebx + device.rx_ring]
|
|
invoke GetPhysAddr
|
|
mov [RxRingPhysAddr], eax
|
|
|
|
lea eax, [ebx + device.tx_ring]
|
|
invoke GetPhysAddr
|
|
mov [TxRingPhysAddr], eax
|
|
|
|
mov [RingSizes], (((RX_RING - 1) shl RINGSZ_RXSHIFT) + ((TX_RING - 1) shl RINGSZ_TXSHIFT))
|
|
|
|
;
|
|
|
|
mov [ebx + device.linkspeed], (LINKSPEED_FORCE or LINKSPEED_10)
|
|
mov [ebx + device.duplex], 0
|
|
mov [LinkSpeed], (LINKSPEED_FORCE or LINKSPEED_10)
|
|
mov [UnknownSetupReg3], UNKSETUP3_VAL1
|
|
|
|
mov eax, [ebx + device.desc_ver]
|
|
mov [TxRxControl], eax
|
|
call pci_push
|
|
or eax, TXRXCTL_BIT1
|
|
mov [TxRxControl], eax
|
|
|
|
stdcall reg_delay, UnknownSetupReg5-edi, UNKSETUP5_BIT31, UNKSETUP5_BIT31, NV_SETUP5_DELAY, NV_SETUP5_DELAYMAX, 0
|
|
|
|
mov [UnknownSetupReg4], 0
|
|
mov [MIIStatus], MIISTAT_MASK2
|
|
|
|
;
|
|
|
|
mov [Misc1], (MISC1_FORCE or MISC1_HD)
|
|
|
|
mov eax, [TransmitterStatus]
|
|
mov [TransmitterStatus], eax
|
|
|
|
mov [PacketFilterFlags], PFF_ALWAYS
|
|
|
|
mov [OffloadConfig], OFFLOAD_NORMAL
|
|
|
|
mov eax, [ReceiverStatus]
|
|
mov [ReceiverStatus], eax
|
|
|
|
; set random seed
|
|
push ebx
|
|
invoke GetTimerTicks ; bad idea, driver is started at system startup in 90% of cases..
|
|
pop ebx
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
|
|
and eax, RNDSEED_MASK
|
|
or eax, RNDSEED_FORCE
|
|
mov [RandomSeed], eax
|
|
|
|
mov [UnknownSetupReg1], UNKSETUP1_VAL
|
|
mov [UnknownSetupReg2], UNKSETUP2_VAL
|
|
mov [PollingInterval], POLL_DEFAULT
|
|
mov [UnknownSetupReg6], UNKSETUP6_VAL
|
|
|
|
mov eax, [ebx + device.phyaddr]
|
|
shl eax, ADAPTCTL_PHYSHIFT
|
|
or eax, (ADAPTCTL_PHYVALID or ADAPTCTL_RUNNING)
|
|
mov [AdapterControl], eax
|
|
|
|
mov [MIISpeed], (MIISPEED_BIT8 or MIIDELAY)
|
|
mov [UnknownSetupReg4], UNKSETUP4_VAL
|
|
mov [WakeUpFlags], WAKEUPFLAGS_VAL
|
|
|
|
or [PowerState], POWERSTATE_POWEREDUP
|
|
call pci_push
|
|
|
|
mov esi, 10
|
|
invoke Sleep
|
|
|
|
or [PowerState], POWERSTATE_VALID
|
|
mov [IrqMask], 0
|
|
|
|
;;; ; ??? Mask RX interrupts
|
|
mov [IrqMask], IRQ_RX_ALL + IRQ_TX_ALL
|
|
;;; ; ??? Mask TX interrupts
|
|
;;; mov [IrqMask], IRQ_TX_ALL
|
|
;;; ; ??? Mask OTHER interrupts
|
|
;;; mov [IrqMask], IRQ_OTHER_ALL
|
|
call pci_push
|
|
|
|
mov [MIIStatus], MIISTAT_MASK2
|
|
mov [IrqStatus], IRQSTAT_MASK
|
|
call pci_push
|
|
|
|
mov [MulticastAddrA], MCASTADDRA_FORCE
|
|
mov [MulticastAddrB], 0
|
|
mov [MulticastMaskA], 0
|
|
mov [MulticastMaskB], 0
|
|
|
|
mov [PacketFilterFlags], (PFF_ALWAYS or PFF_MYADDR)
|
|
|
|
call set_multicast
|
|
|
|
; One manual link speed update: Interrupts are enabled, future link
|
|
; speed changes cause interrupts and are handled by nv_link_irq().
|
|
|
|
mov eax, [MIIStatus]
|
|
mov [MIIStatus], MIISTAT_MASK
|
|
DEBUGF 1,"startup: got 0x%x\n", eax
|
|
|
|
call update_linkspeed
|
|
|
|
mov [TransmitterControl], XMITCTL_START ; start TX
|
|
call pci_push
|
|
|
|
mov [ebx + device.nocable], 0
|
|
test eax, eax
|
|
jnz .return
|
|
DEBUGF 1,"no link during initialization.\n"
|
|
mov [ebx + device.nocable], 1
|
|
|
|
.return:
|
|
xor eax, eax ; Indicate that we have successfully reset the card
|
|
mov [ebx + device.mtu], 1514 ;;; FIXME
|
|
ret
|
|
|
|
|
|
fail:
|
|
or eax, -1
|
|
ret
|
|
|
|
;--------------------------------------------------------
|
|
;
|
|
; MII_RW
|
|
;
|
|
; read/write a register on the PHY.
|
|
; Caller must guarantee serialization
|
|
; Input: EAX - miireg, EDX - phy addr, ECX - value to write (or -1 to read)
|
|
; Output: EAX - retval (lower 16 bits)
|
|
;
|
|
;--------------------------------------------------------
|
|
|
|
mii_rw:
|
|
|
|
DEBUGF 1,"mii_rw: 0x%x to reg %d at PHY %d\n", ecx, eax, edx
|
|
|
|
push edx
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
|
|
; Check if MII interface is busy
|
|
mov [MIIStatus], MIISTAT_MASK
|
|
@@:
|
|
test [MIIControl], MIICTL_INUSE
|
|
jz @f
|
|
mov [MIIControl], MIICTL_INUSE
|
|
|
|
DEBUGF 1,"mii_rw: in use!\n"
|
|
pusha
|
|
mov esi, NV_MIIBUSY_DELAY
|
|
invoke Sleep
|
|
popa
|
|
jmp @r
|
|
@@:
|
|
|
|
; Set the address we want to access
|
|
shl edx, MIICTL_ADDRSHIFT
|
|
or edx, eax
|
|
|
|
; When writing, write the data first.
|
|
cmp ecx, MII_READ
|
|
je @f
|
|
mov [MIIData], ecx
|
|
or edx, MIICTL_WRITE
|
|
@@:
|
|
|
|
mov [MIIControl], edx
|
|
|
|
; Wait for read/write to complete
|
|
stdcall reg_delay, MIIControl-edi, MIICTL_INUSE, 0, NV_MIIPHY_DELAY, NV_MIIPHY_DELAYMAX, 0
|
|
|
|
test eax, eax
|
|
jz @f
|
|
DEBUGF 1,"mii_rw timed out.\n"
|
|
or eax, -1
|
|
jmp .return
|
|
|
|
@@:
|
|
cmp ecx, MII_READ
|
|
je .read
|
|
; it was a write operation - fewer failures are detectable
|
|
DEBUGF 1,"mii_rw write: ok\n"
|
|
xor eax, eax
|
|
jmp .return
|
|
|
|
.read:
|
|
mov eax, [MIIStatus]
|
|
test eax, MIISTAT_ERROR
|
|
jz @f
|
|
DEBUGF 1,"mii read: failed.\n"
|
|
or eax, -1
|
|
jmp .return
|
|
|
|
@@:
|
|
mov eax, [MIIData]
|
|
DEBUGF 1,"mii read: 0x%x.\n", eax
|
|
|
|
.return:
|
|
pop edx
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
; Input: offset:word, mask:dword, target:dword, delay:word, delaymax:word, msg:dword
|
|
; Output: EAX - 0|1
|
|
|
|
proc reg_delay, offset:dword, mask:dword, target:dword, delay:dword, delaymax:dword, msg:dword
|
|
|
|
; DEBUGF 1,"reg_delay\n"
|
|
|
|
push esi
|
|
call pci_push
|
|
|
|
.loop:
|
|
mov esi, [delay]
|
|
invoke Sleep
|
|
mov eax, [delaymax]
|
|
sub eax, [delay]
|
|
mov [delaymax], eax
|
|
|
|
cmp eax, 0
|
|
jl .fail
|
|
|
|
mov eax, [offset]
|
|
mov eax, [edi + eax]
|
|
and eax, [mask]
|
|
cmp eax, [target]
|
|
jne .loop
|
|
|
|
pop esi
|
|
xor eax, eax
|
|
ret
|
|
|
|
.fail:
|
|
pop esi
|
|
xor eax, eax
|
|
inc eax
|
|
ret
|
|
|
|
endp
|
|
|
|
|
|
|
|
|
|
|
|
; Input: none
|
|
; Output: EAX - result (0 = OK, other = error)
|
|
phy_init:
|
|
|
|
push ebx ecx
|
|
|
|
; set advertise register
|
|
mov edx, [ebx + device.phyaddr]
|
|
mov eax, MII_ADVERTISE
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
or eax, (ADVERTISE_10HALF or ADVERTISE_10FULL or ADVERTISE_100HALF or ADVERTISE_100FULL or 0x800 or 0x400)
|
|
|
|
mov ecx, eax
|
|
mov eax, MII_ADVERTISE
|
|
call mii_rw
|
|
|
|
test eax, eax
|
|
jz @f
|
|
|
|
DEBUGF 2,"phy write to advertise failed.\n"
|
|
|
|
mov eax, PHY_ERROR
|
|
jmp .return
|
|
@@:
|
|
|
|
; get phy interface type
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov eax, [PhyInterface]
|
|
DEBUGF 1,"phy interface type = 0x%x\n", eax:8
|
|
|
|
; see if gigabit phy
|
|
mov eax, MII_BMSR
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
test eax, PHY_GIGABIT
|
|
jnz .gigabit
|
|
mov [ebx + device.gigabit], 0
|
|
jmp .next_if
|
|
|
|
.gigabit:
|
|
mov [ebx + device.gigabit], PHY_GIGABIT
|
|
|
|
mov eax, MII_1000BT_CR
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
and eax, (not ADVERTISE_1000HALF)
|
|
|
|
test [PhyInterface], PHY_RGMII
|
|
jz @f
|
|
or eax, ADVERTISE_1000FULL
|
|
jmp .next
|
|
@@:
|
|
|
|
and eax, (not ADVERTISE_1000FULL)
|
|
|
|
.next:
|
|
mov ecx, eax
|
|
mov eax, MII_1000BT_CR
|
|
call mii_rw
|
|
|
|
test eax, eax
|
|
jz .next_if
|
|
|
|
DEBUGF 2,"phy init failed.\n"
|
|
|
|
mov eax, PHY_ERROR
|
|
jmp .return
|
|
|
|
.next_if:
|
|
|
|
call phy_reset
|
|
test eax, eax
|
|
jz @f
|
|
|
|
DEBUGF 2,"phy reset failed.\n"
|
|
|
|
mov eax, PHY_ERROR
|
|
jmp .return
|
|
@@:
|
|
|
|
; phy vendor specific configuration
|
|
cmp [ebx + device.phy_oui], PHY_OUI_CICADA
|
|
jne .next_if2
|
|
test [PhyInterface], PHY_RGMII
|
|
jz .next_if2
|
|
|
|
mov eax, MII_RESV1
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
and eax, (not (PHY_INIT1 or PHY_INIT2))
|
|
or eax, (PHY_INIT3 or PHY_INIT4)
|
|
mov ecx, eax
|
|
mov eax, MII_RESV1
|
|
call mii_rw
|
|
|
|
test eax, eax
|
|
jz @f
|
|
|
|
DEBUGF 2,"phy init failed.\n"
|
|
|
|
mov eax, PHY_ERROR
|
|
jmp .return
|
|
@@:
|
|
|
|
mov eax, MII_NCONFIG
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
or eax, PHY_INIT5
|
|
mov ecx, eax
|
|
mov eax, MII_NCONFIG
|
|
call mii_rw
|
|
test eax, eax
|
|
jz .next_if2
|
|
|
|
DEBUGF 2,"phy init failed.\n"
|
|
|
|
mov eax, PHY_ERROR
|
|
jmp .return
|
|
|
|
|
|
|
|
.next_if2:
|
|
|
|
cmp [ebx + device.phy_oui], PHY_OUI_CICADA
|
|
jne .restart
|
|
|
|
mov eax, MII_SREVISION
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
or eax, PHY_INIT6
|
|
mov ecx, eax
|
|
mov eax, MII_SREVISION
|
|
call mii_rw
|
|
test eax, eax
|
|
jz .restart
|
|
|
|
DEBUGF 2,"phy init failed.\n"
|
|
|
|
jmp .return
|
|
|
|
.restart:
|
|
; restart auto negotiation
|
|
|
|
mov eax, MII_BMCR
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
or eax, (BMCR_ANRESTART or BMCR_ANENABLE)
|
|
mov ecx, eax
|
|
mov eax, MII_BMCR
|
|
call mii_rw
|
|
test eax, eax
|
|
jz .ok
|
|
|
|
mov eax, PHY_ERROR
|
|
jmp .return
|
|
|
|
.ok:
|
|
xor eax, eax
|
|
.return:
|
|
pop ecx ebx
|
|
|
|
ret
|
|
|
|
|
|
; Input: none
|
|
; Output: EAX - result (0 = OK, other = error)
|
|
phy_reset:
|
|
|
|
DEBUGF 1,"phy_reset\n"
|
|
|
|
push ebx ecx edx
|
|
|
|
mov edx, [ebx + device.phyaddr]
|
|
mov eax, MII_BMCR
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
or eax, BMCR_RESET
|
|
push eax
|
|
mov ecx, eax
|
|
mov eax, MII_BMCR
|
|
call mii_rw
|
|
|
|
test eax, eax
|
|
jz @f
|
|
|
|
pop eax
|
|
mov eax, 0xffffffff
|
|
jmp .return
|
|
@@:
|
|
|
|
pop eax
|
|
|
|
mov esi, 500
|
|
invoke Sleep
|
|
|
|
; must wait till reset is deasserted
|
|
mov esi, 100 ; FIXME: 100 tries seem excessive
|
|
.while_loop:
|
|
test eax, BMCR_RESET
|
|
jz .while_loop_exit
|
|
|
|
push esi
|
|
mov esi, 10
|
|
invoke Sleep
|
|
pop esi
|
|
|
|
mov eax, MII_BMCR
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
dec esi
|
|
jnz .while_loop
|
|
|
|
mov eax, 0xffffffff
|
|
jmp .return
|
|
|
|
.while_loop_exit:
|
|
xor eax, eax
|
|
.return:
|
|
pop edx ecx ebx
|
|
|
|
ret
|
|
|
|
|
|
align 4
|
|
pci_push:
|
|
|
|
push eax
|
|
mov eax, [edi]
|
|
pop eax
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
align 4
|
|
mac_reset:
|
|
|
|
push esi edi
|
|
|
|
DEBUGF 1,"mac_reset.\n"
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov eax, [ebx + device.desc_ver]
|
|
or eax, (TXRXCTL_BIT2 or TXRXCTL_RESET)
|
|
mov [TxRxControl], eax
|
|
call pci_push
|
|
|
|
mov [MacReset], MAC_RESET_ASSERT
|
|
call pci_push
|
|
|
|
mov esi, NV_MAC_RESET_DELAY
|
|
invoke Sleep
|
|
|
|
mov [MacReset], 0
|
|
call pci_push
|
|
|
|
mov esi, NV_MAC_RESET_DELAY
|
|
invoke Sleep
|
|
|
|
mov eax, [ebx + device.desc_ver]
|
|
or eax, TXRXCTL_BIT2
|
|
mov [TxRxControl], eax
|
|
call pci_push
|
|
|
|
pop edi esi
|
|
|
|
ret
|
|
|
|
|
|
|
|
align 4
|
|
init_ring:
|
|
|
|
DEBUGF 1,"init rings\n"
|
|
push eax esi ecx
|
|
|
|
mov [ebx + device.cur_tx], 0
|
|
mov [ebx + device.last_tx], 0
|
|
|
|
mov ecx, TX_RING
|
|
lea esi, [ebx + device.tx_ring]
|
|
.tx_loop:
|
|
mov [esi + TxDesc.FlagLen], 0
|
|
mov [esi + TxDesc.PacketBuffer], 0
|
|
add esi, sizeof.TxDesc
|
|
dec ecx
|
|
jnz .tx_loop
|
|
|
|
|
|
mov [ebx + device.cur_rx], 0
|
|
|
|
mov ecx, RX_RING
|
|
lea esi, [ebx + device.rx_ring]
|
|
.rx_loop:
|
|
push ecx esi
|
|
invoke KernelAlloc, 4096 shl RBLEN ; push/pop esi not needed, but just in case...
|
|
pop esi
|
|
mov [esi + RX_RING*sizeof.RxDesc], eax
|
|
invoke GetPhysAddr
|
|
mov [esi + RxDesc.PacketBuffer], eax
|
|
mov [esi + RxDesc.FlagLen], (4096 shl RBLEN or NV_RX_AVAIL)
|
|
add esi, sizeof.RxDesc
|
|
pop ecx
|
|
dec ecx
|
|
jnz .rx_loop
|
|
|
|
pop ecx esi eax
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
; Input: none
|
|
; Output: none
|
|
align 4
|
|
txrx_reset:
|
|
|
|
push eax esi
|
|
|
|
DEBUGF 1,"txrx_reset\n"
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov eax, [ebx + device.desc_ver]
|
|
or eax, (TXRXCTL_BIT2 or TXRXCTL_RESET)
|
|
mov [TxRxControl], eax
|
|
call pci_push
|
|
|
|
mov esi, NV_TXRX_RESET_DELAY
|
|
invoke Sleep
|
|
|
|
mov eax, [ebx + device.desc_ver]
|
|
or eax, TXRXCTL_BIT2
|
|
mov [TxRxControl], eax
|
|
call pci_push
|
|
|
|
pop esi eax
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
; Input: none
|
|
; Output: none
|
|
set_multicast:
|
|
|
|
; u32 addr[2];
|
|
; u32 mask[2];
|
|
; u32 pff;
|
|
; u32 alwaysOff[2];
|
|
; u32 alwaysOn[2];
|
|
;
|
|
; memset(addr, 0, sizeof(addr));
|
|
; memset(mask, 0, sizeof(mask));
|
|
;
|
|
; pff = PFF_MYADDR;
|
|
;
|
|
; alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0;
|
|
;
|
|
; addr[0] = alwaysOn[0];
|
|
; addr[1] = alwaysOn[1];
|
|
; mask[0] = alwaysOn[0] | alwaysOff[0];
|
|
; mask[1] = alwaysOn[1] | alwaysOff[1];
|
|
;
|
|
; addr[0] |= MCASTADDRA_FORCE;
|
|
; pff |= PFF_ALWAYS;
|
|
|
|
call stop_rx
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov [MulticastAddrA], MCASTADDRA_FORCE
|
|
|
|
mov [MulticastAddrB], 0
|
|
mov [MulticastMaskA], 0
|
|
mov [MulticastMaskB], 0
|
|
mov [PacketFilterFlags], (PFF_MYADDR or PFF_ALWAYS)
|
|
|
|
call start_rx
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
; Input: none
|
|
; Output: none
|
|
start_rx:
|
|
|
|
push edi
|
|
|
|
DEBUGF 1,"start_rx\n"
|
|
|
|
; Already running? Stop it.
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov eax, [ReceiverControl]
|
|
test eax, RCVCTL_START
|
|
jz @f
|
|
mov [ReceiverControl], 0
|
|
call pci_push
|
|
@@:
|
|
|
|
mov eax, [ebx + device.linkspeed]
|
|
mov [LinkSpeed], eax
|
|
call pci_push
|
|
|
|
mov [ReceiverControl], RCVCTL_START
|
|
call pci_push
|
|
|
|
pop edi
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
; Input: none
|
|
; Output: none
|
|
stop_rx:
|
|
|
|
push esi edi
|
|
|
|
DEBUGF 1,"stop_rx.\n"
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov [ReceiverControl], 0
|
|
|
|
push ebx edx edi
|
|
stdcall reg_delay, ReceiverStatus-edi, RCVSTAT_BUSY, 0, NV_RXSTOP_DELAY1, NV_RXSTOP_DELAY1MAX, 0
|
|
pop edi edx ebx
|
|
|
|
mov esi, NV_RXSTOP_DELAY2
|
|
invoke Sleep
|
|
|
|
mov [LinkSpeed], 0
|
|
|
|
pop edi esi
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
; Input: none
|
|
; Output: EAX
|
|
update_linkspeed:
|
|
|
|
DEBUGF 1,"update linkspeed\n"
|
|
|
|
; BMSR_LSTATUS is latched, read it twice: we want the current value.
|
|
|
|
mov edx, [ebx + device.phyaddr]
|
|
mov eax, MII_BMSR
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
mov eax, MII_BMSR
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
|
|
test ax, BMSR_LSTATUS ; Link up?
|
|
jz .no_link
|
|
|
|
DEBUGF 1,"link is up\n"
|
|
|
|
test ax, BMSR_ANEGCOMPLETE ; still in autonegotiation?
|
|
jz .10mbit_hd
|
|
|
|
DEBUGF 1,"autonegotiation is complete\n"
|
|
|
|
cmp [ebx + device.gigabit], PHY_GIGABIT
|
|
jne .no_gigabit
|
|
|
|
;mov edx, [ebx + device.phyaddr]
|
|
mov eax, MII_1000BT_CR
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
push eax
|
|
|
|
;mov edx, [ebx + device.phyaddr]
|
|
mov eax, MII_1000BT_SR
|
|
mov ecx, MII_READ
|
|
call mii_rw
|
|
pop ecx
|
|
|
|
test eax, LPA_1000FULL
|
|
jz .no_gigabit
|
|
test ecx, ADVERTISE_1000FULL
|
|
jz .no_gigabit
|
|
|
|
DEBUGF 1,"update_linkspeed: GBit ethernet detected.\n"
|
|
mov [ebx + device.state], ETH_LINK_1G
|
|
mov ecx, (LINKSPEED_FORCE or LINKSPEED_1000)
|
|
xor eax, eax
|
|
inc eax
|
|
jmp set_speed
|
|
.no_gigabit:
|
|
|
|
;mov edx, [ebx + device.phyaddr]
|
|
mov eax, MII_ADVERTISE
|
|
mov ecx, MII_READ
|
|
call mii_rw ; adv = eax
|
|
push eax
|
|
|
|
;mov edx, [ebx + device.phyaddr]
|
|
mov eax, MII_LPA
|
|
mov ecx, MII_READ
|
|
call mii_rw ; lpa = eax
|
|
pop ecx
|
|
|
|
DEBUGF 1,"PHY advertises 0x%x, lpa 0x%x\n", cx, ax
|
|
and eax, ecx ; FIXME: handle parallel detection properly, handle gigabit ethernet
|
|
|
|
test eax, LPA_100FULL
|
|
jz @f
|
|
DEBUGF 1,"update_linkspeed: 100 mbit full duplex\n"
|
|
mov [ebx + device.state], ETH_LINK_100M + ETH_LINK_FD
|
|
mov ecx, (LINKSPEED_FORCE or LINKSPEED_100)
|
|
xor eax, eax
|
|
inc eax
|
|
jmp set_speed
|
|
@@:
|
|
|
|
test eax, LPA_100HALF
|
|
jz @f
|
|
DEBUGF 1,"update_linkspeed: 100 mbit half duplex\n"
|
|
mov [ebx + device.state], ETH_LINK_100M
|
|
mov ecx, (LINKSPEED_FORCE or LINKSPEED_100)
|
|
xor eax, eax
|
|
jmp set_speed
|
|
@@:
|
|
|
|
test eax, LPA_10FULL
|
|
jz @f
|
|
DEBUGF 1,"update_linkspeed: 10 mbit full duplex\n"
|
|
mov [ebx + device.state], ETH_LINK_10M + ETH_LINK_FD
|
|
mov ecx, (LINKSPEED_FORCE or LINKSPEED_10)
|
|
xor eax, eax
|
|
inc eax
|
|
jmp set_speed
|
|
@@:
|
|
|
|
.10mbit_hd:
|
|
DEBUGF 1,"update_linkspeed: 10 mbit half duplex\n"
|
|
mov [ebx + device.state], ETH_LINK_10M
|
|
mov ecx, (LINKSPEED_FORCE or LINKSPEED_10)
|
|
xor eax, eax
|
|
jmp set_speed
|
|
|
|
.no_link:
|
|
DEBUGF 1,"update_linkspeed: link is down\n"
|
|
mov [ebx + device.state], ETH_LINK_DOWN
|
|
mov ecx, (LINKSPEED_FORCE or LINKSPEED_10)
|
|
xor eax, eax
|
|
jmp set_speed
|
|
|
|
|
|
align 4
|
|
set_speed:
|
|
|
|
cmp eax, [ebx + device.duplex]
|
|
jne .update
|
|
cmp ecx, [ebx + device.linkspeed]
|
|
jne .update
|
|
|
|
ret
|
|
|
|
.update:
|
|
DEBUGF 1,"update_linkspeed: changing link to 0x%x/XD.\n", ecx
|
|
|
|
mov [ebx + device.duplex], eax
|
|
mov [ebx + device.linkspeed], ecx
|
|
|
|
cmp [ebx + device.gigabit], PHY_GIGABIT
|
|
jne .no_gigabit
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov eax, [RandomSeed]
|
|
|
|
and eax, not (0x3FF00)
|
|
mov ecx, eax ; phyreg = ecx
|
|
|
|
mov eax, [ebx + device.linkspeed]
|
|
and eax, 0xFFF
|
|
cmp eax, LINKSPEED_10
|
|
jne @f
|
|
or ecx, RNDSEED_FORCE3
|
|
jmp .end_if4
|
|
@@:
|
|
|
|
cmp eax, LINKSPEED_100
|
|
jne @f
|
|
or ecx, RNDSEED_FORCE2
|
|
jmp .end_if4
|
|
@@:
|
|
|
|
cmp eax, LINKSPEED_1000
|
|
jne .end_if4
|
|
or ecx, RNDSEED_FORCE
|
|
.end_if4:
|
|
mov [RandomSeed], ecx
|
|
.no_gigabit:
|
|
|
|
mov ecx, [PhyInterface]
|
|
and ecx, not (PHY_HALF or PHY_100 or PHY_1000)
|
|
|
|
cmp [ebx + device.duplex], 0
|
|
jne @f
|
|
or ecx, PHY_HALF
|
|
@@:
|
|
|
|
mov eax, [ebx + device.linkspeed]
|
|
and eax, 0xFFF
|
|
cmp eax, LINKSPEED_100
|
|
jne @f
|
|
or ecx, PHY_100
|
|
jmp .end_if5
|
|
@@:
|
|
|
|
cmp eax, LINKSPEED_1000
|
|
jne .end_if5
|
|
or ecx, PHY_1000
|
|
|
|
.end_if5:
|
|
mov [PhyInterface], ecx
|
|
|
|
cmp [ebx + device.duplex], 0
|
|
je @f
|
|
xor ecx, ecx
|
|
jmp .next
|
|
@@:
|
|
|
|
mov ecx, MISC1_HD
|
|
.next:
|
|
or ecx, MISC1_FORCE
|
|
mov [Misc1], ecx
|
|
|
|
call pci_push
|
|
|
|
mov eax, [ebx + device.linkspeed]
|
|
mov [LinkSpeed], eax
|
|
|
|
call pci_push
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
|
|
align 4
|
|
read_mac:
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov eax, [MacAddrA]
|
|
mov ecx, [MacAddrB]
|
|
|
|
mov dword [ebx + device.mac], eax
|
|
mov word [ebx + device.mac + 4], cx
|
|
|
|
cmp [ebx + device.device_id], 0x03E5
|
|
jae @f
|
|
bswap eax
|
|
xchg cl, ch
|
|
mov dword [ebx + device.mac + 2], eax
|
|
mov word [ebx + device.mac], cx
|
|
@@:
|
|
|
|
DEBUGF 1,"MAC = %x-%x-%x-%x-%x-%x\n", \
|
|
[ebx + device.mac+0]:2,[ebx + device.mac+1]:2,[ebx + device.mac+2]:2,[ebx + device.mac+3]:2,[ebx + device.mac+4]:2,[ebx + device.mac+5]:2
|
|
|
|
ret
|
|
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Transmit ;;
|
|
;; ;;
|
|
;; In: buffer pointer in [esp+4] ;;
|
|
;; size of buffer in [esp+8] ;;
|
|
;; pointer to device structure in ebx ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
proc transmit stdcall bufferptr, buffersize
|
|
|
|
pushf
|
|
cli
|
|
|
|
DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [bufferptr], [buffersize]
|
|
mov eax, [bufferptr]
|
|
DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\
|
|
[eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\
|
|
[eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\
|
|
[eax+13]:2,[eax+12]:2
|
|
|
|
cmp [buffersize], 1514
|
|
ja .fail
|
|
cmp [buffersize], 60
|
|
jb .fail
|
|
|
|
; get the descriptor address
|
|
mov eax, [ebx + device.cur_tx]
|
|
shl eax, 3 ; TX descriptor is 8 bytes.
|
|
lea esi, [ebx + device.tx_ring + eax]
|
|
|
|
mov eax, [bufferptr]
|
|
mov [esi + TX_RING*sizeof.TxDesc], eax
|
|
invoke GetPhysAddr ; Does not change esi/ebx :)
|
|
mov [esi + TxDesc.PacketBuffer], eax
|
|
|
|
mov eax, [buffersize]
|
|
or eax, [ebx + device.txflags]
|
|
mov [esi + TxDesc.FlagLen], eax
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov eax, [ebx + device.desc_ver]
|
|
or eax, TXRXCTL_KICK
|
|
mov [TxRxControl], eax
|
|
|
|
call pci_push
|
|
|
|
inc [ebx + device.cur_tx]
|
|
and [ebx + device.cur_tx], (TX_RING-1)
|
|
|
|
; Update stats
|
|
inc [ebx + device.packets_tx]
|
|
mov eax, [buffersize]
|
|
add dword[ebx + device.bytes_tx], eax
|
|
adc dword[ebx + device.bytes_tx + 4], 0
|
|
|
|
xor eax, eax
|
|
popf
|
|
ret
|
|
|
|
.fail:
|
|
DEBUGF 2,"Send failed\n"
|
|
invoke KernelFree, [bufferptr]
|
|
popf
|
|
or eax, -1
|
|
ret
|
|
|
|
endp
|
|
|
|
|
|
|
|
|
|
|
|
|
|
; Interrupt handler
|
|
align 4
|
|
int_handler:
|
|
|
|
push ebx esi edi
|
|
|
|
DEBUGF 1,"INT\n"
|
|
|
|
;-------------------------------------------
|
|
; Find pointer of device wich made IRQ occur
|
|
|
|
mov esi, device_list
|
|
mov ecx, [devices]
|
|
test ecx, ecx
|
|
jz .fail
|
|
.nextdevice:
|
|
mov ebx, dword [esi]
|
|
add esi, 4
|
|
|
|
mov edi, [ebx + device.mmio_addr]
|
|
mov eax, [IrqStatus]
|
|
test eax, eax
|
|
jnz .got_it
|
|
dec ecx
|
|
jnz .nextdevice
|
|
.nothing:
|
|
pop edi esi ebx
|
|
xor eax, eax
|
|
|
|
ret
|
|
|
|
.got_it:
|
|
mov [IrqStatus], eax
|
|
DEBUGF 1,"IrqStatus = %x\n", eax
|
|
|
|
test eax, IRQ_RX ;+ IRQ_TIMER ;;;;
|
|
jz .no_rx
|
|
|
|
push ebx
|
|
.more_rx:
|
|
pop ebx
|
|
mov eax, [ebx + device.cur_rx]
|
|
mov cx, sizeof.RxDesc
|
|
mul cx
|
|
lea esi, [ebx + device.rx_ring + eax]
|
|
mov eax, [esi + RxDesc.FlagLen]
|
|
|
|
test eax, NV_RX_AVAIL ; still owned by hardware
|
|
jnz .no_rx
|
|
|
|
cmp [ebx + device.desc_ver], DESC_VER_1
|
|
jne @f
|
|
test eax, NV_RX_DESCRIPTORVALID
|
|
jz .no_rx
|
|
jmp .next
|
|
@@:
|
|
test eax, NV_RX2_DESCRIPTORVALID
|
|
jz .no_rx
|
|
|
|
.next:
|
|
cmp dword[ebx + device.desc_ver], DESC_VER_1
|
|
jne @f
|
|
and eax, LEN_MASK_V1
|
|
jmp .next2
|
|
@@:
|
|
and eax, LEN_MASK_V2
|
|
|
|
.next2:
|
|
DEBUGF 1,"Received %u bytes\n", eax
|
|
|
|
; Update stats
|
|
add dword[ebx + device.bytes_rx], eax
|
|
adc dword[ebx + device.bytes_rx + 4], 0
|
|
inc dword[ebx + device.packets_rx]
|
|
|
|
; Prepare to give packet to kernel
|
|
push ebx
|
|
push .more_rx
|
|
|
|
push eax
|
|
push dword[esi + RX_RING*sizeof.RxDesc]
|
|
DEBUGF 1,"packet ptr=0x%x\n", [esi + RX_RING*sizeof.RxDesc]
|
|
|
|
; Allocate new buffer for this descriptor
|
|
invoke KernelAlloc, 4096 shl RBLEN
|
|
mov [esi + RX_RING*sizeof.RxDesc], eax
|
|
invoke GetPhysAddr
|
|
mov [esi + RxDesc.PacketBuffer], eax
|
|
mov [esi + RxDesc.FlagLen], (4096 shl RBLEN or NV_RX_AVAIL)
|
|
|
|
; update current RX descriptor
|
|
inc [ebx + device.cur_rx]
|
|
and [ebx + device.cur_rx], (RX_RING-1)
|
|
|
|
jmp [Eth_input]
|
|
|
|
.no_rx:
|
|
test eax, IRQ_RX_ERROR
|
|
jz .no_rx_err
|
|
|
|
push eax
|
|
DEBUGF 2,"RX error!\n"
|
|
|
|
mov eax, [ebx + device.cur_rx]
|
|
mov cx, sizeof.RxDesc
|
|
mul cx
|
|
lea esi, [ebx + device.rx_ring + eax]
|
|
mov eax, [esi + RxDesc.FlagLen]
|
|
|
|
DEBUGF 1,"Flaglen=%x\n", eax
|
|
|
|
; TODO: allocate new buff ?
|
|
pop eax
|
|
|
|
.no_rx_err:
|
|
test eax, IRQ_TX_ERROR
|
|
jz .no_tx_err
|
|
|
|
DEBUGF 2,"TX error!\n"
|
|
; TODO
|
|
|
|
.no_tx_err:
|
|
test eax, IRQ_LINK
|
|
jz .no_link
|
|
|
|
push eax
|
|
call update_linkspeed
|
|
pop eax
|
|
|
|
.no_link:
|
|
test eax, IRQ_TX_OK
|
|
jz .no_tx
|
|
|
|
DEBUGF 1, "TX completed\n"
|
|
.loop_tx:
|
|
mov esi, [ebx + device.last_tx]
|
|
shl esi, 3 ; TX descriptor is 8 bytes.
|
|
lea esi, [ebx + device.tx_ring + esi]
|
|
|
|
DEBUGF 1,"Flaglen = 0x%x\n", [esi + TxDesc.FlagLen]
|
|
test [esi + TxDesc.FlagLen], NV_TX_VALID
|
|
jnz .no_tx
|
|
cmp dword[esi + TX_RING*sizeof.TxDesc], 0
|
|
je .no_tx
|
|
|
|
DEBUGF 1,"Freeing buffer 0x%x\n", [esi + TX_RING*sizeof.TxDesc]:8
|
|
push dword[esi + TX_RING*sizeof.TxDesc]
|
|
mov dword[esi + TX_RING*sizeof.TxDesc], 0
|
|
invoke KernelFree
|
|
|
|
inc [ebx + device.last_tx]
|
|
and [ebx + device.last_tx], TX_RING - 1
|
|
|
|
jmp .loop_tx
|
|
|
|
.no_tx:
|
|
.fail:
|
|
pop edi esi ebx
|
|
xor eax, eax
|
|
inc eax
|
|
|
|
ret
|
|
|
|
|
|
; End of code
|
|
|
|
data fixups
|
|
end data
|
|
|
|
include '../peimport.inc'
|
|
|
|
my_service db 'FORCEDETH',0 ; max 16 chars include zero
|
|
|
|
include_debug_strings
|
|
|
|
align 4
|
|
devices dd 0
|
|
device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling
|
|
|