15,14 → 15,15 |
;; ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
|
format MS COFF |
format PE DLL native |
entry START |
|
API_VERSION = 0x01000100 |
DRIVER_VERSION = 5 |
CURRENT_API = 0x0200 |
COMPATIBLE_API = 0x0100 |
API_VERSION = (COMPATIBLE_API shl 16) + CURRENT_API |
|
MAX_DEVICES = 16 |
|
DEBUG = 1 |
__DEBUG__ = 1 |
__DEBUG_LEVEL__ = 2 |
|
45,18 → 46,14 |
RX_DMA_BURST = 4 ; Maximum PCI burst, '4' is 256 bytes |
TX_DMA_BURST = 4 |
|
section '.flat' readable writable executable |
|
include '../proc32.inc' |
include '../struct.inc' |
include '../macros.inc' |
include '../proc32.inc' |
include '../imports.inc' |
include '../fdo.inc' |
include '../netdrv.inc' |
include '../netdrv_pe.inc' |
|
public START |
public service_proc |
public version |
|
; Operational parameters that usually are not changed. |
|
PHY1_ADDR = 1 ; For MAC1 |
172,56 → 169,46 |
IO_SIZE = 256 ; RDC MAC I/O Size |
MAX_MAC = 2 ; MAX RDC MAC |
|
struct x_head |
|
virtual at 0 |
x_head: |
.status dw ? ;0-1 |
.len dw ? ;2-3 |
.buf dd ? ;4-7 |
.ndesc dd ? ;8-B |
.rev1 dd ? ;C-F |
.vbufp dd ? ;10-13 |
.vndescp dd ? ;14-17 |
.skb_ptr dd ? ;18-1B |
.rev2 dd ? ;1C-1F |
.sizeof: |
end virtual |
status dw ? ;0-1 |
len dw ? ;2-3 |
buf dd ? ;4-7 |
ndesc dd ? ;8-B |
rev1 dd ? ;C-F |
vbufp dd ? ;10-13 |
vndescp dd ? ;14-17 |
skb_ptr dd ? ;18-1B |
rev2 dd ? ;1C-1F |
|
ends |
|
virtual at ebx |
|
device: |
struct device ETH_DEVICE |
|
ETH_DEVICE |
io_addr dd ? |
pci_bus dd ? |
pci_dev dd ? |
irq_line db ? |
rb 3 ; align 4 |
|
.io_addr dd ? |
cur_rx dw ? |
cur_tx dw ? |
last_tx dw ? |
phy_addr dd ? |
phy_mode dw ? |
mcr0 dw ? |
mcr1 dw ? |
switch_sig dw ? |
|
.cur_rx dw ? |
.cur_tx dw ? |
.last_tx dw ? |
.phy_addr dd ? |
.phy_mode dw ? |
.mcr0 dw ? |
.mcr1 dw ? |
.switch_sig dw ? |
rb 0x100 - ($ and 0xff) ; align 256 |
tx_ring rb ((TX_RING_SIZE*sizeof.x_head+32) and 0xfffffff0) |
rx_ring rb ((RX_RING_SIZE*sizeof.x_head+32) and 0xfffffff0) |
|
.pci_bus dd ? |
.pci_dev dd ? |
.irq_line db ? |
ends |
|
rb 1 ; dword alignment |
|
.tx_ring: rb (((x_head.sizeof*TX_RING_SIZE)+32) and 0xfffffff0) |
.rx_ring: rb (((x_head.sizeof*RX_RING_SIZE)+32) and 0xfffffff0) |
|
.size = $ - device |
|
end virtual |
|
|
|
section '.flat' code readable align 16 |
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
;; ;; |
;; proc START ;; |
229,20 → 216,16 |
;; (standard driver proc) ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
|
align 4 |
proc START stdcall, state:dword |
proc START c, reason:dword, cmdline:dword |
|
cmp [state], 1 |
jne .exit |
cmp [reason], DRV_ENTRY |
jne .fail |
|
.entry: |
|
DEBUGF 2,"Loading driver\n" |
stdcall RegService, my_service, service_proc |
DEBUGF 1,"Loading driver\n" |
invoke RegService, my_service, service_proc |
ret |
|
.fail: |
.exit: |
xor eax, eax |
ret |
|
256,7 → 239,6 |
;; (standard driver proc) ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
|
align 4 |
proc service_proc stdcall, ioctl:dword |
|
mov edx, [ioctl] |
298,9 → 280,9 |
mov ax , [eax+1] ; |
.nextdevice: |
mov ebx, [esi] |
cmp al, byte[device.pci_bus] |
cmp al, byte[ebx + device.pci_bus] |
jne @f |
cmp ah, byte[device.pci_dev] |
cmp ah, byte[ebx + device.pci_dev] |
je .find_devicenum ; Device is already loaded, let's find it's device number |
@@: |
add esi, 4 |
312,49 → 294,49 |
cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card |
jae .fail |
|
allocate_and_clear ebx, device.size, .fail ; Allocate the buffer for device structure |
allocate_and_clear ebx, sizeof.device, .fail ; Allocate the buffer for device structure |
|
; Fill in the direct call addresses into the struct |
|
mov [device.reset], reset |
mov [device.transmit], transmit |
mov [device.unload], unload |
mov [device.name], my_service |
mov [ebx + device.reset], reset |
mov [ebx + device.transmit], transmit |
mov [ebx + device.unload], unload |
mov [ebx + device.name], my_service |
|
; save the pci bus and device numbers |
|
mov eax, [edx + IOCTL.input] |
movzx ecx, byte[eax+1] |
mov [device.pci_bus], ecx |
mov [ebx + device.pci_bus], ecx |
movzx ecx, byte[eax+2] |
mov [device.pci_dev], ecx |
mov [ebx + device.pci_dev], ecx |
|
; Now, it's time to find the base io addres of the PCI device |
|
PCI_find_io |
stdcall PCI_find_io, [ebx + device.pci_bus], [ebx + device.pci_dev] |
mov [ebx + device.io_addr], eax |
|
; We've found the io address, find IRQ now |
|
PCI_find_irq |
invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.interrupt_line |
mov [ebx + device.irq_line], al |
|
DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
[device.pci_dev]:1,[device.pci_bus]:1,[device.irq_line]:1,[device.io_addr]:4 |
[ebx + device.pci_dev]:1,[ebx + device.pci_bus]:1,[ebx + device.irq_line]:1,[ebx + device.io_addr]:8 |
|
; Ok, the eth_device structure is ready, let's probe the device |
cli |
|
call probe ; this function will output in eax |
test eax, eax |
jnz .err_sti ; 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 [device.type], NET_TYPE_ETH |
call NetRegDev |
sti |
call probe ; this function will output in eax |
test eax, eax |
jnz .err2 |
|
mov [ebx + device.type], NET_TYPE_ETH |
invoke NetRegDev |
|
cmp eax, -1 |
je .destroy |
|
363,11 → 345,11 |
; 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" |
call NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
DEBUGF 2,"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 |
DEBUGF 2,"Kernel says: %u\n", eax |
ret |
|
; If an error occured, remove all allocated data and exit (returning -1 in eax) |
375,13 → 357,12 |
.destroy: |
; todo: reset device into virgin state |
|
.err_sti: |
sti |
|
.err2: |
dec [devices] |
.err: |
stdcall KernelFree, ebx |
|
invoke KernelFree, ebx |
.fail: |
DEBUGF 2, "Failed to load\n" |
or eax, -1 |
ret |
|
397,12 → 378,12 |
|
|
;mdio_read: |
; stdcall phy_read, [device.io_addr], [device.phy_addr], ecx |
; stdcall phy_read, [ebx + device.io_addr], [ebx + device.phy_addr], ecx |
|
; ret |
|
;mdio_write: |
; stdcall phy_write, [device.io_addr], [device.phy_addr], ecx, eax |
; stdcall phy_write, [ebx + device.io_addr], [ebx + device.phy_addr], ecx, eax |
|
; ret |
|
430,15 → 411,18 |
|
align 4 |
probe: |
DEBUGF 1,"Probing R6040 device\n" |
DEBUGF 1,"Probing\n" |
|
PCI_make_bus_master |
; Make the device a bus master |
invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command |
or al, PCI_CMD_MASTER |
invoke PciWrite32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax |
|
; If PHY status change register is still set to zero |
; it means the bootloader didn't initialize it |
|
set_io 0 |
set_io PHY_CC |
set_io [ebx + device.io_addr], 0 |
set_io [ebx + device.io_addr], PHY_CC |
in ax, dx |
test ax, ax |
jnz @f |
450,7 → 434,7 |
|
; Some bootloaders/BIOSes do not initialize MAC address, warn about that |
and eax, 0xFF |
or eax, dword [device.mac] |
or eax, dword [ebx + device.mac] |
test eax, eax |
jnz @f |
DEBUGF 2, "MAC address not initialized!\n" |
457,12 → 441,12 |
|
@@: |
; Init RDC private data |
mov [device.mcr0], MCR0_XMTEN or MCR0_RCVEN |
mov [device.phy_addr], PHY1_ADDR |
mov [device.switch_sig], 0 |
mov [ebx + device.mcr0], MCR0_XMTEN or MCR0_RCVEN |
mov [ebx + device.phy_addr], PHY1_ADDR |
mov [ebx + device.switch_sig], 0 |
|
; Check the vendor ID on the PHY, if 0xFFFF assume none attached |
stdcall phy_read, [device.phy_addr], 2 |
stdcall phy_read, [ebx + device.phy_addr], 2 |
cmp ax, 0xFFFF |
jne @f |
DEBUGF 2, "Failed to detect an attached PHY!\n" |
478,9 → 462,9 |
call init_rxbufs |
|
; Read the PHY ID |
mov [device.phy_mode], MCR0_FD |
mov [ebx + device.phy_mode], MCR0_FD |
stdcall phy_read, 0, 2 |
mov [device.switch_sig], ax |
mov [ebx + device.switch_sig], ax |
cmp ax, ICPLUS_PHY_ID |
jne @f |
stdcall phy_write, 29, 31, 0x175C ; Enable registers |
488,24 → 472,24 |
@@: |
|
; PHY Mode Check |
stdcall phy_write, [device.phy_addr], 4, PHY_CAP |
stdcall phy_write, [device.phy_addr], 0, PHY_MODE |
stdcall phy_write, [ebx + device.phy_addr], 4, PHY_CAP |
stdcall phy_write, [ebx + device.phy_addr], 0, PHY_MODE |
|
if PHY_MODE = 0x3100 |
call phy_mode_chk |
mov [device.phy_mode], ax |
mov [ebx + device.phy_mode], ax |
jmp .phy_readen |
end if |
|
if not (PHY_MODE and 0x0100) |
mov [device.phy_mode], 0 |
mov [ebx + device.phy_mode], 0 |
end if |
|
.phy_readen: |
|
; Set duplex mode |
mov ax, [device.phy_mode] |
or [device.mcr0], ax |
mov ax, [ebx + device.phy_mode] |
or [ebx + device.mcr0], ax |
|
; improve performance (by RDC guys) |
stdcall phy_read, 30, 17 |
523,36 → 507,33 |
call init_mac_regs |
|
|
|
align 4 |
reset: |
|
DEBUGF 1,"Resetting R6040\n" |
DEBUGF 1,"Resetting\n" |
|
; Mask off Interrupt |
xor ax, ax |
set_io 0 |
set_io MIER |
set_io [ebx + device.io_addr], 0 |
set_io [ebx + device.io_addr], MIER |
out dx, ax |
|
|
; attach int handler |
|
movzx eax, [device.irq_line] |
movzx eax, [ebx + device.irq_line] |
DEBUGF 1,"Attaching int handler to irq %x\n", eax:1 |
stdcall AttachIntHandler, eax, int_handler, dword 0 |
invoke AttachIntHandler, eax, int_handler, ebx |
test eax, eax |
jnz @f |
DEBUGF 2,"Could not attach int handler!\n" |
; or eax, -1 |
; ret |
or eax, -1 |
ret |
@@: |
|
|
;Reset RDC MAC |
mov eax, MAC_RST |
set_io 0 |
set_io MCR1 |
set_io [ebx + device.io_addr], 0 |
set_io [ebx + device.io_addr], MCR1 |
out dx, ax |
|
mov ecx, 2048 ;limit |
566,7 → 547,7 |
@@: |
;Reset internal state machine |
mov ax, 2 |
set_io MAC_SM |
set_io [ebx + device.io_addr], MAC_SM |
out dx, ax |
|
xor ax, ax |
573,67 → 554,65 |
out dx, ax |
|
mov esi, 5 |
stdcall Sleep |
invoke Sleep |
|
;MAC Bus Control Register |
mov ax, MBCR_DEFAULT |
set_io 0 |
set_io MBCR |
set_io [ebx + device.io_addr], 0 |
set_io [ebx + device.io_addr], MBCR |
out dx, ax |
|
;Buffer Size Register |
mov ax, MAX_BUF_SIZE |
set_io MR_BSR |
set_io [ebx + device.io_addr], MR_BSR |
out dx, ax |
|
;Write TX ring start address |
lea eax, [device.tx_ring] |
GetRealAddr |
set_io MTD_SA0 |
lea eax, [ebx + device.tx_ring] |
invoke GetPhysAddr |
set_io [ebx + device.io_addr], MTD_SA0 |
out dx, ax |
shr eax, 16 |
set_io MTD_SA1 |
set_io [ebx + device.io_addr], MTD_SA1 |
out dx, ax |
|
;Write RX ring start address |
lea eax, [device.rx_ring] |
GetRealAddr |
set_io MRD_SA0 |
lea eax, [ebx + device.rx_ring] |
invoke GetPhysAddr |
set_io [ebx + device.io_addr], MRD_SA0 |
out dx, ax |
shr eax, 16 |
set_io MRD_SA1 |
set_io [ebx + device.io_addr], MRD_SA1 |
out dx, ax |
|
;Set interrupt waiting time and packet numbers |
xor ax, ax |
set_io MT_ICR |
set_io [ebx + device.io_addr], MT_ICR |
out dx, ax |
|
;Enable interrupts |
mov ax, INT_MASK |
set_io MIER |
set_io [ebx + device.io_addr], MIER |
out dx, ax |
|
;Enable RX |
mov ax, [device.mcr0] |
mov ax, [ebx + device.mcr0] |
or ax, MCR0_RCVEN |
set_io 0 |
set_io [ebx + device.io_addr], 0 |
out dx, ax |
|
;Let TX poll the descriptors |
;we may got called by tx_timeout which has left |
;some unset tx buffers |
;we may got called by tx_timeout which has left some unset tx buffers |
xor ax, ax |
inc ax |
set_io 0 |
set_io MTPR |
set_io [ebx + device.io_addr], MTPR |
out dx, ax |
|
; Set the mtu, kernel will be able to send now |
mov [device.mtu], 1514 |
mov [ebx + device.mtu], 1514 |
|
; Set link state to unknown |
mov [device.state], ETH_LINK_UNKOWN |
mov [ebx + device.state], ETH_LINK_UNKNOWN |
|
DEBUGF 1,"Reset ok\n" |
xor eax, eax |
646,9 → 625,9 |
|
DEBUGF 1,"Init TxBufs\n" |
|
lea esi, [device.tx_ring] |
lea eax, [device.tx_ring + x_head.sizeof] |
GetRealAddr |
lea esi, [ebx + device.tx_ring] |
lea eax, [ebx + device.tx_ring + sizeof.x_head] |
invoke GetPhysAddr |
mov ecx, TX_RING_SIZE |
|
.next_desc: |
655,16 → 634,14 |
mov [esi + x_head.ndesc], eax |
mov [esi + x_head.skb_ptr], 0 |
mov [esi + x_head.status], DSC_OWNER_MAC |
|
add eax, x_head.sizeof |
add esi, x_head.sizeof |
|
add eax, sizeof.x_head |
add esi, sizeof.x_head |
dec ecx |
jnz .next_desc |
|
lea eax, [device.tx_ring] |
GetRealAddr |
mov [device.tx_ring + x_head.sizeof*(TX_RING_SIZE - 1) + x_head.ndesc], eax |
lea eax, [ebx + device.tx_ring] |
invoke GetPhysAddr |
mov dword[ebx + device.tx_ring + sizeof.x_head*(TX_RING_SIZE-1) + x_head.ndesc], eax |
|
ret |
|
675,9 → 652,9 |
|
DEBUGF 1,"Init RxBufs\n" |
|
lea esi, [device.rx_ring] |
lea eax, [device.rx_ring + x_head.sizeof] |
GetRealAddr |
lea esi, [ebx + device.rx_ring] |
lea eax, [ebx + device.rx_ring + sizeof.x_head] |
invoke GetPhysAddr |
mov edx, eax |
mov ecx, RX_RING_SIZE |
|
685,24 → 662,24 |
mov [esi + x_head.ndesc], edx |
|
push esi ecx edx |
stdcall KernelAlloc, MAX_BUF_SIZE |
invoke KernelAlloc, MAX_BUF_SIZE |
pop edx ecx esi |
|
mov [esi + x_head.skb_ptr], eax |
GetRealAddr |
invoke GetPhysAddr |
mov [esi + x_head.buf], eax |
mov [esi + x_head.status], DSC_OWNER_MAC |
|
add edx, x_head.sizeof |
add esi, x_head.sizeof |
add edx, sizeof.x_head |
add esi, sizeof.x_head |
|
dec ecx |
jnz .next_desc |
|
; complete the ring by linking the last to the first |
lea eax, [device.rx_ring] |
GetRealAddr |
mov [device.rx_ring + x_head.sizeof*(RX_RING_SIZE - 1) + x_head.ndesc], eax |
lea eax, [ebx + device.rx_ring] |
invoke GetPhysAddr |
mov dword[ebx + device.rx_ring + sizeof.x_head*(RX_RING_SIZE-1) + x_head.ndesc], eax |
|
ret |
|
714,7 → 691,7 |
DEBUGF 1,"Checking PHY mode\n" |
|
; PHY Link Status Check |
stdcall phy_read, [device.phy_addr], MII_BMSR |
stdcall phy_read, [ebx + device.phy_addr], MII_BMSR |
test ax, BMSR_LSTATUS |
jz .ret_0x8000 |
|
723,15 → 700,15 |
jnz .auto_nego |
|
; Force Mode |
stdcall phy_read, [device.phy_addr], MII_BMCR |
stdcall phy_read, [ebx + device.phy_addr], MII_BMCR |
test ax, BMCR_FULLDPLX |
jnz .ret_0x8000 |
|
.auto_nego: |
; Auto Negotiation Mode |
stdcall phy_read, [device.phy_addr], MII_LPA |
stdcall phy_read, [ebx + device.phy_addr], MII_LPA |
mov cx, ax |
stdcall phy_read, [device.phy_addr], MII_ADVERTISE |
stdcall phy_read, [ebx + device.phy_addr], MII_ADVERTISE |
and ax, cx |
test ax, ADVERTISE_10FULL + ADVERTISE_100FULL |
jnz .ret_0x8000 |
751,29 → 728,31 |
;; ;; |
;; Transmit ;; |
;; ;; |
;; In: buffer pointer in [esp+4] ;; |
;; size of buffer in [esp+8] ;; |
;; pointer to device structure in ebx ;; |
;; In: pointer to device structure in ebx ;; |
;; ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
align 4 |
transmit: |
DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [esp+4], [esp+8] |
mov eax, [esp+4] |
|
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 dword [esp+8], 1514 |
cmp [buffersize], 1514 |
ja .fail |
cmp dword [esp+8], 60 |
cmp [buffersize], 60 |
jb .fail |
|
movzx edi, [device.cur_tx] |
movzx edi, [ebx + device.cur_tx] |
shl edi, 5 |
add edi, ebx |
add edi, device.tx_ring - ebx |
add edi, device.tx_ring |
|
DEBUGF 1,"TX buffer status: 0x%x\n", [edi + x_head.status]:4 |
|
783,60 → 762,59 |
.do_send: |
DEBUGF 1,"Sending now\n" |
|
mov eax, [esp+4] |
mov eax, [bufferptr] |
mov [edi + x_head.skb_ptr], eax |
GetRealAddr |
invoke GetPhysAddr |
mov [edi + x_head.buf], eax |
mov ecx, [esp+8] |
mov ecx, [buffersize] |
mov [edi + x_head.len], cx |
mov [edi + x_head.status], DSC_OWNER_MAC |
|
; Trigger the MAC to check the TX descriptor |
mov ax, 0x01 |
set_io 0 |
set_io MTPR |
set_io [ebx + device.io_addr], 0 |
set_io [ebx + device.io_addr], MTPR |
out dx, ax |
|
inc [device.cur_tx] |
and [device.cur_tx], TX_RING_SIZE - 1 |
inc [ebx + device.cur_tx] |
and [ebx + device.cur_tx], TX_RING_SIZE - 1 |
|
; Update stats |
inc [device.packets_tx] |
mov eax, [esp+8] |
add dword [device.bytes_tx], eax |
adc dword [device.bytes_tx + 4], 0 |
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 |
ret 8 |
popf |
ret |
|
.wait_to_send: |
|
DEBUGF 1,"Waiting for TX buffer\n" |
|
call GetTimerTicks ; returns in eax |
invoke GetTimerTicks ; returns in eax |
lea edx, [eax + 100] |
.l2: |
test [edi + x_head.status], DSC_OWNER_MAC |
jz .do_send |
mov esi, 10 |
call Sleep |
call GetTimerTicks |
invoke Sleep |
invoke GetTimerTicks |
cmp edx, eax |
jb .l2 |
|
DEBUGF 2,"Send timeout\n" |
xor eax, eax |
dec eax |
.fail: |
DEBUGF 2,"Send failed\n" |
stdcall KernelFree, [esp+4] |
invoke KernelFree, [bufferptr] |
popf |
or eax, -1 |
ret 8 |
ret |
|
endp |
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;; |
;; ;; |
;; Interrupt handler ;; |
859,8 → 837,8 |
.nextdevice: |
mov ebx, [esi] |
|
set_io 0 |
set_io MISR |
set_io [ebx + device.io_addr], 0 |
set_io [ebx + device.io_addr], MISR |
in ax, dx |
out dx, ax ; send it back to ACK |
test ax, ax |
873,9 → 851,8 |
pop edi esi ebx |
xor eax, eax |
|
ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
ret ; If no device was found, abort |
|
|
; At this point, test for all possible reasons, and handle accordingly |
|
.got_it: |
892,9 → 869,9 |
pop ebx |
|
; Find the current RX descriptor |
movzx edx, [device.cur_rx] |
movzx edx, [ebx + device.cur_rx] |
shl edx, 5 |
lea edx, [device.rx_ring + edx] |
lea edx, [ebx + device.rx_ring + edx] |
|
; Check the descriptor status |
mov cx, [edx + x_head.status] |
912,9 → 889,9 |
sub ecx, 4 ; Do not count the CRC |
|
; Update stats |
add dword[device.bytes_rx], ecx |
adc dword[device.bytes_rx + 4], 0 |
inc dword[device.packets_rx] |
add dword[ebx + device.bytes_rx], ecx |
adc dword[ebx + device.bytes_rx + 4], 0 |
inc dword[ebx + device.packets_rx] |
|
; Push packet size and pointer, kernel will need it.. |
push ebx |
927,19 → 904,19 |
|
; reset the RX descriptor |
push edx |
stdcall KernelAlloc, MAX_BUF_SIZE |
invoke KernelAlloc, MAX_BUF_SIZE |
pop edx |
mov [edx + x_head.skb_ptr], eax |
GetRealAddr |
invoke GetPhysAddr |
mov [edx + x_head.buf], eax |
mov [edx + x_head.status], DSC_OWNER_MAC |
|
; Use next descriptor next time |
inc [device.cur_rx] |
and [device.cur_rx], RX_RING_SIZE - 1 |
inc [ebx + device.cur_rx] |
and [ebx + device.cur_rx], RX_RING_SIZE - 1 |
|
; At last, send packet to kernel |
jmp Eth_input |
jmp [Eth_input] |
|
|
.no_RX: |
948,9 → 925,9 |
jz .no_TX |
|
.loop_tx: |
movzx edi, [device.last_tx] |
movzx edi, [ebx + device.last_tx] |
shl edi, 5 |
lea edi, [device.tx_ring + edi] |
lea edi, [ebx + device.tx_ring + edi] |
|
test [edi + x_head.status], DSC_OWNER_MAC |
jnz .no_TX |
962,10 → 939,10 |
|
push [edi + x_head.skb_ptr] |
mov [edi + x_head.skb_ptr], 0 |
call KernelFree |
invoke KernelFree |
|
inc [device.last_tx] |
and [device.last_tx], TX_RING_SIZE - 1 |
inc [ebx + device.last_tx] |
and [ebx + device.last_tx], TX_RING_SIZE - 1 |
|
jmp .loop_tx |
|
1022,18 → 999,18 |
|
; MAC operation register |
mov ax, 1 |
set_io 0 |
set_io MCR1 |
set_io [ebx + device.io_addr], 0 |
set_io [ebx + device.io_addr], MCR1 |
out dx, ax |
; Reset MAC |
mov ax, 2 |
set_io MAC_SM |
set_io [ebx + device.io_addr], MAC_SM |
out dx, ax |
; Reset internal state machine |
xor ax, ax |
out dx, ax |
mov esi, 5 |
stdcall Sleep |
invoke Sleep |
|
call read_mac |
|
1053,8 → 1030,8 |
shl eax, 8 |
add eax, [reg] |
add eax, MDIO_READ |
set_io 0 |
set_io MMDIO |
set_io [ebx + device.io_addr], 0 |
set_io [ebx + device.io_addr], MMDIO |
out dx, ax |
|
;Wait for the read bit to be cleared. |
1067,7 → 1044,7 |
jnz .read |
@@: |
|
set_io MMRD |
set_io [ebx + device.io_addr], MMRD |
in ax, dx |
and eax, 0xFFFF |
|
1085,11 → 1062,12 |
align 4 |
proc phy_write stdcall, phy_addr:dword, reg:dword, val:dword |
|
DEBUGF 1,"PHY write, addr=0x%x reg=0x%x val=0x%x\n", [phy_addr]:8, [reg]:8, [val]:8 |
DEBUGF 1,"PHY write, addr=0x%x reg=0x%x val=0x%x\n", \ |
[phy_addr]:8, [reg]:8, [val]:8 |
|
mov eax, [val] |
set_io 0 |
set_io MMWD |
set_io [ebx + device.io_addr], 0 |
set_io [ebx + device.io_addr], MMWD |
out dx, ax |
|
;Write the command to the MDIO bus |
1097,7 → 1075,7 |
shl eax, 8 |
add eax, [reg] |
add eax, MDIO_WRITE |
set_io MMDIO |
set_io [ebx + device.io_addr], MMDIO |
out dx, ax |
|
;Wait for the write bit to be cleared. |
1123,9 → 1101,9 |
DEBUGF 1,"Reading MAC:\n" |
|
mov cx, 3 |
lea edi, [device.mac] |
set_io 0 |
set_io MID_0L |
lea edi, [ebx + device.mac] |
set_io [ebx + device.io_addr], 0 |
set_io [ebx + device.io_addr], MID_0L |
.mac: |
in ax, dx |
stosw |
1134,7 → 1112,8 |
dec cx |
jnz .mac |
|
DEBUGF 1,"%x-%x-%x-%x-%x-%x\n",[edi-6]:2, [edi-5]:2, [edi-4]:2, [edi-3]:2, [edi-2]:2, [edi-1]:2 |
DEBUGF 1,"%x-%x-%x-%x-%x-%x\n",\ |
[edi-6]:2, [edi-5]:2, [edi-4]:2, [edi-3]:2, [edi-2]:2, [edi-1]:2 |
|
ret |
|
1143,14 → 1122,16 |
|
; End of code |
|
section '.data' data readable writable align 16 ; place all uninitialized data place here |
align 4 ; Place all initialised data here |
data fixups |
end data |
|
devices dd 0 |
version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF) |
include '../peimport.inc' |
|
my_service db 'R6040',0 ; max 16 chars include zero |
|
include_debug_strings ; All data wich FDO uses will be included here |
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 |
|