more small updates and fixes in net branch

git-svn-id: svn://kolibrios.org@2311 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
2011-11-12 22:35:01 +00:00
parent 3ce07b4be0
commit 343d6e80ca
5 changed files with 439 additions and 448 deletions

View File

@@ -16,33 +16,33 @@
$Revision$
struct ETH_header
struct ETH_header
DstMAC dp ? ; destination MAC-address
SrcMAC dp ? ; source MAC-address
Type dw ? ; type of the upper-layer protocol
DstMAC dp ? ; destination MAC-address
SrcMAC dp ? ; source MAC-address
Type dw ? ; type of the upper-layer protocol
ends
ETH_FRAME_MINIMUM equ 60
ETH_FRAME_MINIMUM equ 60
struct ETH_DEVICE NET_DEVICE
struct ETH_DEVICE NET_DEVICE
set_mode dd ?
get_mode dd ?
set_mode dd ?
get_mode dd ?
set_MAC dd ?
get_MAC dd ?
set_MAC dd ?
get_MAC dd ?
mode dd ?
mac dp ?
mode dd ?
mac dp ?
ends
align 4
iglobal
ETH_BROADCAST dp 0xffffffffffff
ETH_BROADCAST dp 0xffffffffffff
endg
;-----------------------------------------------------------------
@@ -60,33 +60,33 @@ endg
;-----------------------------------------------------------------
align 4
ETH_input:
mov eax, [esp]
mov ecx, [esp+4]
mov eax, [esp]
mov ecx, [esp+4]
DEBUGF 1,"ETH_input - size: %u\n", ecx
cmp ecx, ETH_FRAME_MINIMUM
jb .dump
sub ecx, sizeof.ETH_header
DEBUGF 1,"ETH_input - size: %u\n", ecx
cmp ecx, ETH_FRAME_MINIMUM
jb .dump
sub ecx, sizeof.ETH_header
lea edx, [eax + sizeof.ETH_header]
mov ax , [eax + ETH_header.Type]
lea edx, [eax + sizeof.ETH_header]
mov ax , [eax + ETH_header.Type]
cmp ax, ETHER_IPv4
je IPv4_input
cmp ax, ETHER_IPv4
je IPv4_input
cmp ax, ETHER_ARP
je ARP_input
cmp ax, ETHER_ARP
je ARP_input
; cmp ax, ETHER_PPP_DISCOVERY
; je PPPOE_discovery
DEBUGF 2,"Unknown ethernet packet type %x\n", ax
DEBUGF 2,"Unknown ethernet packet type %x\n", ax
.dump:
DEBUGF 2,"ETH_input - dumping\n"
call kernel_free
add esp, 4
ret
DEBUGF 2,"ETH_input - dumping\n"
call kernel_free
add esp, 4
ret
;-----------------------------------------------------------------
;
@@ -108,60 +108,53 @@ ETH_input:
align 4
ETH_output:
DEBUGF 1,"ETH_output: size=%u device:%x\n", ecx, ebx
DEBUGF 1,"ETH_output: size=%u device:%x\n", ecx, ebx
cmp ecx, [ebx + NET_DEVICE.mtu]
ja .exit
cmp ecx, [ebx + NET_DEVICE.mtu]
ja .exit
push ecx ; << 1
push di eax edx ; << 2
add ecx, sizeof.ETH_header
push ecx
push di eax edx
push ecx ; << 3
add ecx, sizeof.ETH_header
stdcall kernel_alloc, ecx
test eax, eax
jz .out_of_ram
mov edi, eax
push ecx ; << 4
call kernel_alloc ; >> 4
test eax, eax
jz .out_of_ram
mov edi, eax
pop esi
movsd
movsw
pop esi
movsd
movsw
pop ax
stosw
pop ecx ; >> 3
lea eax, [edi - sizeof.ETH_header] ; Set eax to buffer start
pop ecx
lea edx, [ecx + sizeof.ETH_header] ; Set edx to complete buffer size
pop esi ; >> 2
movsd
movsw
pop esi ; >> 2
movsd
movsw
pop ax ; >> 2
stosw
lea eax, [edi - sizeof.ETH_header] ; Set eax to buffer start
mov edx, ecx ; Set edx to complete buffer size
pop ecx ; >> 1
cmp edx, ETH_FRAME_MINIMUM
jb .adjust_size
DEBUGF 1,"ETH_output: done: %x total size: %u\n", eax, edx
ret
cmp edx, ETH_FRAME_MINIMUM
jb .adjust_size
DEBUGF 1,"ETH_output: done: %x total size: %u\n", eax, edx
ret
.adjust_size:
mov edx, ETH_FRAME_MINIMUM
test edx, edx ; clear zero flag
ret
mov edx, ETH_FRAME_MINIMUM
test edx, edx ; clear zero flag
ret
.out_of_ram:
DEBUGF 2,"ETH_output: Out of ram space!!\n"
add esp, 3*4+2+4
sub edi, edi
ret
DEBUGF 2,"ETH_output: Out of ram space!!\n"
add esp, 4+4+2+4
sub edi, edi
ret
.exit:
DEBUGF 2,"ETH_output: Packet too large!\n"
sub edi, edi
;;; dec edi
ret
DEBUGF 2,"ETH_output: Packet too large!\n"
sub edi, edi
ret
@@ -181,64 +174,64 @@ ETH_output:
align 4
ETH_API:
cmp bh, MAX_NET_DEVICES
ja .error
movzx eax, bh
shl eax, 2
cmp bh, MAX_NET_DEVICES
ja .error
movzx eax, bh
shl eax, 2
mov eax, dword [NET_DRV_LIST + eax]
cmp [eax + NET_DEVICE.type], NET_TYPE_ETH
jne .error
mov eax, dword [NET_DRV_LIST + eax]
cmp [eax + NET_DEVICE.type], NET_TYPE_ETH
jne .error
test bl, bl
jz .packets_tx ; 0
dec bl
jz .packets_rx ; 1
dec bl
jz .bytes_tx ; 2
dec bl
jz .bytes_rx ; 3
dec bl
jz .read_mac ; 4
dec bl
jz .write_mac ; 5
test bl, bl
jz .packets_tx ; 0
dec bl
jz .packets_rx ; 1
dec bl
jz .bytes_tx ; 2
dec bl
jz .bytes_rx ; 3
dec bl
jz .read_mac ; 4
dec bl
jz .write_mac ; 5
.error:
DEBUGF 2,"Device is not ethernet type\n"
or eax, -1
ret
DEBUGF 2,"Device is not ethernet type\n"
or eax, -1
ret
.packets_tx:
mov eax, [eax + NET_DEVICE.packets_tx]
mov eax, [eax + NET_DEVICE.packets_tx]
ret
ret
.packets_rx:
mov eax, [eax + NET_DEVICE.packets_rx]
ret
mov eax, [eax + NET_DEVICE.packets_rx]
ret
.bytes_tx:
mov ebx, dword [eax + NET_DEVICE.bytes_tx + 4]
mov eax, dword [eax + NET_DEVICE.bytes_tx]
mov [esp+20+4], ebx ; TODO: fix this ugly code
ret
mov ebx, dword [eax + NET_DEVICE.bytes_tx + 4]
mov eax, dword [eax + NET_DEVICE.bytes_tx]
mov [esp+20+4], ebx ; TODO: fix this ugly code
ret
.bytes_rx:
mov ebx, dword [eax + NET_DEVICE.bytes_rx + 4]
mov eax, dword [eax + NET_DEVICE.bytes_rx]
mov [esp+20+4], ebx ; TODO: fix this ugly code
ret
mov ebx, dword [eax + NET_DEVICE.bytes_rx + 4]
mov eax, dword [eax + NET_DEVICE.bytes_rx]
mov [esp+20+4], ebx ; TODO: fix this ugly code
ret
.read_mac:
movzx ebx, word [eax + ETH_DEVICE.mac]
mov eax, dword [eax + ETH_DEVICE.mac + 2]
mov [esp+20+4], ebx ; TODO: fix this ugly code
ret
movzx ebx, word [eax + ETH_DEVICE.mac]
mov eax, dword [eax + ETH_DEVICE.mac + 2]
mov [esp+20+4], ebx ; TODO: fix this ugly code
ret
.write_mac:
push ecx
push dx
call [eax + ETH_DEVICE.set_MAC]
ret
push ecx
push dx
call [eax + ETH_DEVICE.set_MAC]
ret