forked from KolibriOS/kolibrios
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:
@@ -18,52 +18,52 @@
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$Revision$
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ARP_NO_ENTRY equ 0
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ARP_VALID_MAPPING equ 1
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ARP_AWAITING_RESPONSE equ 2
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ARP_RESPONSE_TIMEOUT equ 3
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ARP_NO_ENTRY equ 0
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ARP_VALID_MAPPING equ 1
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ARP_AWAITING_RESPONSE equ 2
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ARP_RESPONSE_TIMEOUT equ 3
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ARP_REQUEST_TTL equ 31 ; 20 s
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ARP_ENTRY_TTL equ 937 ; 600 s
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ARP_STATIC_ENTRY equ -1
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ARP_REQUEST_TTL equ 31 ; 20 s
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ARP_ENTRY_TTL equ 937 ; 600 s
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ARP_STATIC_ENTRY equ -1
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ARP_REQ_OPCODE equ 0x0100 ; request
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ARP_REP_OPCODE equ 0x0200 ; reply
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ARP_REQ_OPCODE equ 0x0100 ; request
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ARP_REP_OPCODE equ 0x0200 ; reply
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ARP_TABLE_SIZE equ 20 ; Size of table
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ARP_TABLE_SIZE equ 20 ; Size of table
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struct ARP_entry
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IP dd ?
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MAC dp ?
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Status dw ?
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TTL dw ?
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IP dd ?
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MAC dp ?
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Status dw ?
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TTL dw ?
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ends
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struct ARP_header
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HardwareType dw ?
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ProtocolType dw ?
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HardwareSize db ?
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ProtocolSize db ?
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Opcode dw ?
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SenderMAC dp ?
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SenderIP dd ?
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TargetMAC dp ?
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TargetIP dd ?
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HardwareType dw ?
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ProtocolType dw ?
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HardwareSize db ?
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ProtocolSize db ?
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Opcode dw ?
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SenderMAC dp ?
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SenderIP dd ?
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TargetMAC dp ?
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TargetIP dd ?
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ends
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align 4
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uglobal
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NumARP dd ?
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NumARP dd ?
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ARP_table rb ARP_TABLE_SIZE * sizeof.ARP_entry
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ARP_table rb ARP_TABLE_SIZE * sizeof.ARP_entry
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ARP_PACKETS_TX rd MAX_NET_DEVICES
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ARP_PACKETS_RX rd MAX_NET_DEVICES
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ARP_PACKETS_TX rd MAX_NET_DEVICES
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ARP_PACKETS_RX rd MAX_NET_DEVICES
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endg
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@@ -79,12 +79,12 @@ endg
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;-----------------------------------------------------------------
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macro ARP_init {
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xor eax, eax
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mov [NumARP], eax
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xor eax, eax
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mov [NumARP], eax
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mov edi, ARP_PACKETS_TX
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mov ecx, 2*MAX_NET_DEVICES
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rep stosd
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mov edi, ARP_PACKETS_TX
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mov ecx, 2*MAX_NET_DEVICES
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rep stosd
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}
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@@ -96,8 +96,8 @@ macro ARP_init {
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macro ARP_decrease_entry_ttls {
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local .loop
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local .exit
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local .loop
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local .exit
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; The TTL field is decremented every second, and is deleted when it reaches 0.
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; It is refreshed every time a packet is received.
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@@ -110,39 +110,39 @@ local .exit
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; The last status value is provided to allow the network layer to delete
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; a packet that is queued awaiting an ARP response
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mov ecx, [NumARP]
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test ecx, ecx
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jz .exit
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mov ecx, [NumARP]
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test ecx, ecx
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jz .exit
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mov esi, ARP_table
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mov esi, ARP_table
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.loop:
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cmp [esi + ARP_entry.TTL], ARP_STATIC_ENTRY
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je .next
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cmp [esi + ARP_entry.TTL], ARP_STATIC_ENTRY
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je .next
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dec [esi + ARP_entry.TTL]
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jz .time_out
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dec [esi + ARP_entry.TTL]
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jz .time_out
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.next:
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add esi, sizeof.ARP_entry
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dec ecx
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jnz .loop
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jmp .exit
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add esi, sizeof.ARP_entry
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dec ecx
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jnz .loop
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jmp .exit
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.time_out:
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cmp [esi + ARP_entry.Status], ARP_AWAITING_RESPONSE
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je .response_timeout
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cmp [esi + ARP_entry.Status], ARP_AWAITING_RESPONSE
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je .response_timeout
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push esi ecx
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call ARP_del_entry
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pop ecx esi
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push esi ecx
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call ARP_del_entry
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pop ecx esi
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jmp .next
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jmp .next
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.response_timeout:
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mov [esi + ARP_entry.Status], ARP_RESPONSE_TIMEOUT
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mov [esi + ARP_entry.TTL], 10
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mov [esi + ARP_entry.Status], ARP_RESPONSE_TIMEOUT
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mov [esi + ARP_entry.TTL], 10
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jmp .next
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jmp .next
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.exit:
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@@ -162,117 +162,117 @@ local .exit
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align 4
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ARP_input:
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DEBUGF 1,"ARP_Handler - start\n"
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cmp ecx, sizeof.ARP_header
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jb .exit
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DEBUGF 1,"ARP_Handler - start\n"
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cmp ecx, sizeof.ARP_header
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jb .exit
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;---------------------
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; Handle Reply packets
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cmp [edx + ARP_header.Opcode], ARP_REP_OPCODE
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jne .maybe_request
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cmp [edx + ARP_header.Opcode], ARP_REP_OPCODE
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jne .maybe_request
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DEBUGF 1,"ARP_Handler - it's a reply packet from %u.%u.%u.%u\n",\
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[edx + ARP_header.SenderIP]:1, [edx + ARP_header.SenderIP+1]:1, [edx + ARP_header.SenderIP+2]:1, [edx + ARP_header.SenderIP+3]:1
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DEBUGF 1,"ARP_Handler - it's a reply packet from %u.%u.%u.%u\n",\
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[edx + ARP_header.SenderIP]:1, [edx + ARP_header.SenderIP+1]:1, [edx + ARP_header.SenderIP+2]:1, [edx + ARP_header.SenderIP+3]:1
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mov ecx, [NumARP]
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test ecx, ecx
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jz .exit
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mov ecx, [NumARP]
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test ecx, ecx
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jz .exit
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mov eax, [edx + ARP_header.SenderIP]
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mov esi, ARP_table
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mov eax, [edx + ARP_header.SenderIP]
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mov esi, ARP_table
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.loop:
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cmp [esi + ARP_entry.IP], eax
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je .gotit
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add esi, sizeof.ARP_entry
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dec ecx
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jnz .loop
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cmp [esi + ARP_entry.IP], eax
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je .gotit
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add esi, sizeof.ARP_entry
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dec ecx
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jnz .loop
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jmp .exit
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jmp .exit
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.gotit:
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DEBUGF 1,"ARP_Handler - found matching entry\n"
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DEBUGF 1,"ARP_Handler - found matching entry\n"
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cmp [esi + ARP_entry.TTL], ARP_STATIC_ENTRY ; if it is a static entry, dont touch it
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je .exit
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cmp [esi + ARP_entry.TTL], ARP_STATIC_ENTRY ; if it is a static entry, dont touch it
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je .exit
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DEBUGF 1,"ARP_Handler - updating entry\n"
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DEBUGF 1,"ARP_Handler - updating entry\n"
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mov [esi + ARP_entry.Status], ARP_VALID_MAPPING
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mov [esi + ARP_entry.TTL], ARP_ENTRY_TTL
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mov [esi + ARP_entry.Status], ARP_VALID_MAPPING
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mov [esi + ARP_entry.TTL], ARP_ENTRY_TTL
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mov eax, dword [edx + ARP_header.SenderMAC]
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mov dword [esi+ARP_entry.MAC], eax
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mov ax , word [edx + ARP_header.SenderMAC + 4]
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mov word [esi+ARP_entry.MAC+4], ax
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mov eax, dword [edx + ARP_header.SenderMAC]
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mov dword [esi+ARP_entry.MAC], eax
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mov ax , word [edx + ARP_header.SenderMAC + 4]
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mov word [esi+ARP_entry.MAC+4], ax
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jmp .exit
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jmp .exit
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;-----------------------
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; Handle Request packets
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.maybe_request:
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cmp [edx + ARP_header.Opcode], ARP_REQ_OPCODE
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jne .exit
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cmp [edx + ARP_header.Opcode], ARP_REQ_OPCODE
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jne .exit
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call NET_ptr_to_num
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cmp edi, -1
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jz .exit
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DEBUGF 1,"ARP Request packet through device: %u\n", edi
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inc [ARP_PACKETS_RX+4*edi]
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call NET_ptr_to_num
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cmp edi, -1
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jz .exit
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DEBUGF 1,"ARP Request packet through device: %u\n", edi
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inc [ARP_PACKETS_RX+4*edi]
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mov eax, [IP_LIST+4*edi]
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cmp eax, [edx + ARP_header.TargetIP] ; Is it looking for my IP address?
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jne .exit ; TODO: instead of quitting, update local entrys with matching IP's ?
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mov eax, [IP_LIST+4*edi]
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cmp eax, [edx + ARP_header.TargetIP] ; Is it looking for my IP address?
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jne .exit ; TODO: instead of quitting, update local entrys with matching IP's ?
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push eax
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push edi
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push eax
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push edi
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; OK, it is a request for one of our MAC addresses.
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; Build the frame and send it. We can reuse the buffer. (faster then using ARP_create_packet)
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lea esi, [edx + ARP_header.SenderMAC]
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lea edi, [edx + ARP_header.TargetMAC]
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movsd ; Move Sender Mac to Dest MAC
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movsw ;
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movsd ; Move sender IP to Dest IP
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lea esi, [edx + ARP_header.SenderMAC]
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lea edi, [edx + ARP_header.TargetMAC]
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movsd ; Move Sender Mac to Dest MAC
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movsw ;
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movsd ; Move sender IP to Dest IP
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pop esi
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mov esi, [NET_DRV_LIST + 4*esi]
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lea esi, [esi + ETH_DEVICE.mac]
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lea edi, [edx + ARP_header.SenderMAC]
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movsd ; Copy MAC address from in MAC_LIST
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movsw ;
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pop eax
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stosd ; Write our IP
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pop esi
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mov esi, [NET_DRV_LIST + 4*esi]
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lea esi, [esi + ETH_DEVICE.mac]
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lea edi, [edx + ARP_header.SenderMAC]
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movsd ; Copy MAC address from in MAC_LIST
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movsw ;
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pop eax
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stosd ; Write our IP
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mov [edx + ARP_header.Opcode], ARP_REP_OPCODE
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mov [edx + ARP_header.Opcode], ARP_REP_OPCODE
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; Now, Fill in ETHERNET header
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mov edi, [esp]
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lea esi, [edx + ARP_header.TargetMAC]
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movsd
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movsw
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lea esi, [edx + ARP_header.SenderMAC]
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movsd
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movsw
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mov edi, [esp]
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lea esi, [edx + ARP_header.TargetMAC]
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movsd
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movsw
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lea esi, [edx + ARP_header.SenderMAC]
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movsd
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movsw
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; mov ax , ETHER_ARP
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; stosw
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DEBUGF 1,"ARP_Handler - Sending reply \n"
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DEBUGF 1,"ARP_Handler - Sending reply \n"
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call [ebx + NET_DEVICE.transmit]
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ret
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call [ebx + NET_DEVICE.transmit]
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ret
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.exit:
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call kernel_free
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add esp, 4 ; pop (balance stack)
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call kernel_free
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add esp, 4 ; pop (balance stack)
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DEBUGF 1,"ARP_Handler - exiting\n"
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ret
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DEBUGF 1,"ARP_Handler - exiting\n"
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ret
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;---------------------------------------------------------------------------
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@@ -286,54 +286,54 @@ ARP_input:
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align 4
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ARP_output_request:
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DEBUGF 1,"Create ARP Packet\n"
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DEBUGF 1,"Create ARP Packet\n"
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call IPv4_dest_to_dev
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push eax ; DestIP
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pushd [IP_LIST+edi] ; SenderIP
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call IPv4_dest_to_dev
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push eax ; DestIP
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pushd [IP_LIST+edi] ; SenderIP
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mov ebx, [NET_DRV_LIST+edi] ; device ptr
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mov ebx, [NET_DRV_LIST+edi] ; device ptr
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lea eax, [ebx + ETH_DEVICE.mac] ; local device mac
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mov edx, ETH_BROADCAST ; broadcast mac
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mov ecx, sizeof.ARP_header
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mov di, ETHER_ARP
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call ETH_output
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jz .exit
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lea eax, [ebx + ETH_DEVICE.mac] ; local device mac
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mov edx, ETH_BROADCAST ; broadcast mac
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mov ecx, sizeof.ARP_header
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mov di, ETHER_ARP
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call ETH_output
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jz .exit
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mov ecx, eax
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mov ecx, eax
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mov [edi + ARP_header.HardwareType], 0x0100 ; Ethernet
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mov [edi + ARP_header.ProtocolType], 0x0008 ; IP
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mov [edi + ARP_header.HardwareSize], 6 ; MAC-addr length
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mov [edi + ARP_header.ProtocolSize], 4 ; IP-addr length
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mov [edi + ARP_header.Opcode], ARP_REQ_OPCODE ; Request
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mov [edi + ARP_header.HardwareType], 0x0100 ; Ethernet
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mov [edi + ARP_header.ProtocolType], 0x0008 ; IP
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mov [edi + ARP_header.HardwareSize], 6 ; MAC-addr length
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mov [edi + ARP_header.ProtocolSize], 4 ; IP-addr length
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mov [edi + ARP_header.Opcode], ARP_REQ_OPCODE ; Request
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add edi, ARP_header.SenderMAC
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add edi, ARP_header.SenderMAC
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lea esi, [ebx + ETH_DEVICE.mac] ; SenderMac
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movsw ;
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movsd ;
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pop eax ; SenderIP
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stosd ;
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lea esi, [ebx + ETH_DEVICE.mac] ; SenderMac
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movsw ;
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movsd ;
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pop eax ; SenderIP
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stosd ;
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mov eax, -1 ; DestMac
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stosd ;
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stosw ;
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pop eax ; DestIP
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stosd ;
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mov eax, -1 ; DestMac
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stosd ;
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stosw ;
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pop eax ; DestIP
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stosd ;
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DEBUGF 1,"ARP Packet for device %x created successfully\n", ebx
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DEBUGF 1,"ARP Packet for device %x created successfully\n", ebx
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|
||||
push edx ecx
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call [ebx + NET_DEVICE.transmit]
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ret
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push edx ecx
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call [ebx + NET_DEVICE.transmit]
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ret
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||||
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.exit:
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add esp, 4+4
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DEBUGF 1,"Create ARP Packet - failed\n"
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sub eax, eax
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||||
ret
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||||
add esp, 4+4
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||||
DEBUGF 1,"Create ARP Packet - failed\n"
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sub eax, eax
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||||
ret
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||||
|
||||
|
||||
;-----------------------------------------------------------------
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@@ -347,59 +347,59 @@ ARP_output_request:
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align 4
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ARP_add_entry:
|
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|
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DEBUGF 1,"ARP add entry: "
|
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DEBUGF 1,"ARP add entry: "
|
||||
|
||||
mov ecx, [NumARP]
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test ecx, ecx ; first entry?
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jz .add
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cmp ecx, ARP_TABLE_SIZE ; list full ?
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||||
jae .error
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mov ecx, [NumARP]
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||||
test ecx, ecx ; first entry?
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||||
jz .add
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||||
cmp ecx, ARP_TABLE_SIZE ; list full ?
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||||
jae .error
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||||
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mov eax, dword [esi + ARP_entry.MAC]
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mov bx , word [esi + ARP_entry.MAC + 4]
|
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mov edi, ARP_table
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||||
mov eax, dword [esi + ARP_entry.MAC]
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mov bx , word [esi + ARP_entry.MAC + 4]
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mov edi, ARP_table
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||||
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||||
.loop:
|
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cmp dword [edi + ARP_entry.MAC], eax ; Check for duplicate MAC's
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||||
jne .maybe_next ;
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cmp word [edi + ARP_entry.MAC + 4], bx ;
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||||
jne .maybe_next ;
|
||||
cmp dword [edi + ARP_entry.MAC], eax ; Check for duplicate MAC's
|
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jne .maybe_next ;
|
||||
cmp word [edi + ARP_entry.MAC + 4], bx ;
|
||||
jne .maybe_next ;
|
||||
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||||
cmp [edi + ARP_entry.TTL], ARP_STATIC_ENTRY
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||||
jne .notstatic
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||||
cmp [esi + ARP_entry.TTL], ARP_STATIC_ENTRY
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||||
jne .error
|
||||
cmp [edi + ARP_entry.TTL], ARP_STATIC_ENTRY
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jne .notstatic
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||||
cmp [esi + ARP_entry.TTL], ARP_STATIC_ENTRY
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||||
jne .error
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||||
.notstatic:
|
||||
|
||||
neg ecx
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||||
add ecx, [NumARP]
|
||||
jmp .add
|
||||
neg ecx
|
||||
add ecx, [NumARP]
|
||||
jmp .add
|
||||
|
||||
.maybe_next:
|
||||
add esi, sizeof.ARP_entry
|
||||
loop .loop
|
||||
add esi, sizeof.ARP_entry
|
||||
loop .loop
|
||||
|
||||
mov ecx, [NumARP]
|
||||
mov ecx, [NumARP]
|
||||
.add:
|
||||
push ecx
|
||||
imul ecx, sizeof.ARP_entry
|
||||
lea edi, [ecx + ARP_table]
|
||||
mov ecx, sizeof.ARP_entry/2
|
||||
rep movsw
|
||||
push ecx
|
||||
imul ecx, sizeof.ARP_entry
|
||||
lea edi, [ecx + ARP_table]
|
||||
mov ecx, sizeof.ARP_entry/2
|
||||
rep movsw
|
||||
|
||||
lea esi, [edi - sizeof.ARP_entry]
|
||||
inc [NumARP]
|
||||
pop eax
|
||||
DEBUGF 1,"New entry created: %u\n", eax
|
||||
lea esi, [edi - sizeof.ARP_entry]
|
||||
inc [NumARP]
|
||||
pop eax
|
||||
DEBUGF 1,"New entry created: %u\n", eax
|
||||
|
||||
.exit:
|
||||
DEBUGF 1,"Exiting\n"
|
||||
ret
|
||||
DEBUGF 1,"Exiting\n"
|
||||
ret
|
||||
|
||||
.error:
|
||||
DEBUGF 1,"error! \n"
|
||||
mov eax, -1
|
||||
ret
|
||||
DEBUGF 1,"error! \n"
|
||||
mov eax, -1
|
||||
ret
|
||||
|
||||
|
||||
;-----------------------------------------------------------------
|
||||
@@ -413,20 +413,20 @@ ARP_add_entry:
|
||||
align 4
|
||||
ARP_del_entry:
|
||||
|
||||
DEBUGF 1,"ARP del entry %x, total entrys: %u\n", esi, [NumARP]
|
||||
DEBUGF 1,"ARP del entry %x, total entrys: %u\n", esi, [NumARP]
|
||||
|
||||
mov ecx, ARP_table + (ARP_TABLE_SIZE - 1) * sizeof.ARP_entry
|
||||
sub ecx, esi
|
||||
shr ecx, 1
|
||||
mov ecx, ARP_table + (ARP_TABLE_SIZE - 1) * sizeof.ARP_entry
|
||||
sub ecx, esi
|
||||
shr ecx, 1
|
||||
|
||||
mov edi, esi
|
||||
lea esi, [edi + sizeof.ARP_entry]
|
||||
rep movsw
|
||||
mov edi, esi
|
||||
lea esi, [edi + sizeof.ARP_entry]
|
||||
rep movsw
|
||||
|
||||
dec [NumARP]
|
||||
DEBUGF 1,"ARP entry deleted\n"
|
||||
dec [NumARP]
|
||||
DEBUGF 1,"ARP entry deleted\n"
|
||||
|
||||
ret
|
||||
ret
|
||||
|
||||
|
||||
|
||||
@@ -447,110 +447,110 @@ ARP_del_entry:
|
||||
align 4
|
||||
ARP_IP_to_MAC:
|
||||
|
||||
DEBUGF 1,"ARP_IP_to_MAC\n"
|
||||
DEBUGF 1,"ARP_IP_to_MAC\n"
|
||||
|
||||
cmp eax, 0xffffffff
|
||||
je .broadcast
|
||||
cmp eax, 0xffffffff
|
||||
je .broadcast
|
||||
|
||||
; if ((Remote IP & subnet_mask) == (local IP & subnet_mask ))
|
||||
; destination is on same subnet
|
||||
; else, destination is remote and must use a gateway
|
||||
|
||||
call IPv4_dest_to_dev
|
||||
mov ebx, [IP_LIST + edi]
|
||||
and ebx, [SUBNET_LIST + edi]
|
||||
call IPv4_dest_to_dev
|
||||
mov ebx, [IP_LIST + edi]
|
||||
and ebx, [SUBNET_LIST + edi]
|
||||
|
||||
mov ecx, eax
|
||||
and ecx, [SUBNET_LIST + edi]
|
||||
mov ecx, eax
|
||||
and ecx, [SUBNET_LIST + edi]
|
||||
|
||||
cmp ecx, ebx
|
||||
je .local
|
||||
cmp ecx, ebx
|
||||
je .local
|
||||
|
||||
mov eax, [GATEWAY_LIST + edi]
|
||||
DEBUGF 1,"requested IP is not on subnet, using default gateway\n"
|
||||
mov eax, [GATEWAY_LIST + edi]
|
||||
DEBUGF 1,"requested IP is not on subnet, using default gateway\n"
|
||||
|
||||
;--------------------------------
|
||||
; Try to find the IP in ARP_table
|
||||
|
||||
.local:
|
||||
mov ecx, [NumARP]
|
||||
test ecx, ecx
|
||||
jz .not_in_list
|
||||
mov esi, ARP_table + ARP_entry.IP
|
||||
mov ecx, [NumARP]
|
||||
test ecx, ecx
|
||||
jz .not_in_list
|
||||
mov esi, ARP_table + ARP_entry.IP
|
||||
.scan_loop:
|
||||
cmp [esi], eax
|
||||
je .found_it
|
||||
add esi, sizeof.ARP_entry
|
||||
loop .scan_loop
|
||||
cmp [esi], eax
|
||||
je .found_it
|
||||
add esi, sizeof.ARP_entry
|
||||
loop .scan_loop
|
||||
|
||||
.not_in_list:
|
||||
DEBUGF 1,"IP not found on list, preparing for ARP request\n"
|
||||
DEBUGF 1,"IP not found on list, preparing for ARP request\n"
|
||||
|
||||
;--------------------
|
||||
; Send an ARP request
|
||||
|
||||
push eax
|
||||
push eax
|
||||
|
||||
pushw ARP_REQUEST_TTL
|
||||
pushw ARP_AWAITING_RESPONSE
|
||||
pushd 0
|
||||
pushw 0
|
||||
pushd eax
|
||||
mov esi, esp
|
||||
call ARP_add_entry
|
||||
add esp, sizeof.ARP_entry
|
||||
pushw ARP_REQUEST_TTL
|
||||
pushw ARP_AWAITING_RESPONSE
|
||||
pushd 0
|
||||
pushw 0
|
||||
pushd eax
|
||||
mov esi, esp
|
||||
call ARP_add_entry
|
||||
add esp, sizeof.ARP_entry
|
||||
|
||||
cmp eax, -1
|
||||
je .full
|
||||
cmp eax, -1
|
||||
je .full
|
||||
|
||||
mov ecx, eax
|
||||
pop eax
|
||||
push ecx
|
||||
call ARP_output_request
|
||||
mov ecx, eax
|
||||
pop eax
|
||||
push ecx
|
||||
call ARP_output_request
|
||||
|
||||
;; TODO: check if driver could transmit packet
|
||||
|
||||
pop esi
|
||||
imul esi, sizeof.ARP_entry
|
||||
add esi, ARP_table
|
||||
pop esi
|
||||
imul esi, sizeof.ARP_entry
|
||||
add esi, ARP_table
|
||||
|
||||
mov ecx, 25
|
||||
mov ecx, 25
|
||||
.wait_loop:
|
||||
cmp [esi + ARP_entry.Status], 1
|
||||
je .got_it
|
||||
push esi
|
||||
mov esi, 10
|
||||
call delay_ms
|
||||
pop esi
|
||||
loop .wait_loop
|
||||
cmp [esi + ARP_entry.Status], 1
|
||||
je .got_it
|
||||
push esi
|
||||
mov esi, 10
|
||||
call delay_ms
|
||||
pop esi
|
||||
loop .wait_loop
|
||||
|
||||
mov eax, -2 ; request send
|
||||
ret
|
||||
mov eax, -2 ; request send
|
||||
ret
|
||||
|
||||
.found_it:
|
||||
DEBUGF 1,"found IP in ARPTable\n"
|
||||
cmp [esi + ARP_entry.Status], 1
|
||||
jne .invalid
|
||||
DEBUGF 1,"found IP in ARPTable\n"
|
||||
cmp [esi + ARP_entry.Status], 1
|
||||
jne .invalid
|
||||
|
||||
.got_it:
|
||||
movzx eax, word [esi + ARP_entry.MAC]
|
||||
mov ebx, dword[esi + ARP_entry.MAC+2]
|
||||
ret
|
||||
movzx eax, word [esi + ARP_entry.MAC]
|
||||
mov ebx, dword[esi + ARP_entry.MAC+2]
|
||||
ret
|
||||
|
||||
.invalid:
|
||||
mov eax, -1
|
||||
ret
|
||||
mov eax, -1
|
||||
ret
|
||||
|
||||
.full:
|
||||
DEBUGF 1,"ARP table is full!\n"
|
||||
pop eax
|
||||
mov eax, -1
|
||||
ret
|
||||
DEBUGF 1,"ARP table is full!\n"
|
||||
pop eax
|
||||
mov eax, -1
|
||||
ret
|
||||
|
||||
.broadcast:
|
||||
mov eax, 0x0000ffff
|
||||
mov ebx, 0xffffffff
|
||||
ret
|
||||
mov eax, 0x0000ffff
|
||||
mov ebx, 0xffffffff
|
||||
ret
|
||||
|
||||
|
||||
;-----------------------------------------------------------------
|
||||
@@ -569,66 +569,66 @@ ARP_IP_to_MAC:
|
||||
align 4
|
||||
ARP_API:
|
||||
|
||||
movzx eax, bh
|
||||
shl eax, 2
|
||||
movzx eax, bh
|
||||
shl eax, 2
|
||||
|
||||
test bl, bl
|
||||
jz .packets_tx ; 0
|
||||
dec bl
|
||||
jz .packets_rx ; 1
|
||||
dec bl
|
||||
jz .entries ; 2
|
||||
dec bl
|
||||
jz .read ; 3
|
||||
dec bl
|
||||
jz .write ; 4
|
||||
dec bl
|
||||
jz .remove ; 5
|
||||
dec bl
|
||||
test bl, bl
|
||||
jz .packets_tx ; 0
|
||||
dec bl
|
||||
jz .packets_rx ; 1
|
||||
dec bl
|
||||
jz .entries ; 2
|
||||
dec bl
|
||||
jz .read ; 3
|
||||
dec bl
|
||||
jz .write ; 4
|
||||
dec bl
|
||||
jz .remove ; 5
|
||||
dec bl
|
||||
|
||||
.error:
|
||||
mov eax, -1
|
||||
ret
|
||||
mov eax, -1
|
||||
ret
|
||||
|
||||
.packets_tx:
|
||||
add eax, ARP_PACKETS_TX
|
||||
mov eax, [eax]
|
||||
ret
|
||||
add eax, ARP_PACKETS_TX
|
||||
mov eax, [eax]
|
||||
ret
|
||||
|
||||
.packets_rx:
|
||||
add eax, ARP_PACKETS_RX
|
||||
mov eax, [eax]
|
||||
ret
|
||||
add eax, ARP_PACKETS_RX
|
||||
mov eax, [eax]
|
||||
ret
|
||||
|
||||
.entries:
|
||||
mov eax, [NumARP]
|
||||
ret
|
||||
mov eax, [NumARP]
|
||||
ret
|
||||
|
||||
.read:
|
||||
cmp ecx, [NumARP]
|
||||
jae .error
|
||||
; edi = pointer to buffer
|
||||
; ecx = # entry
|
||||
imul ecx, sizeof.ARP_entry
|
||||
add ecx, ARP_table
|
||||
mov esi, ecx
|
||||
mov ecx, sizeof.ARP_entry/2
|
||||
rep movsw
|
||||
cmp ecx, [NumARP]
|
||||
jae .error
|
||||
; edi = pointer to buffer
|
||||
; ecx = # entry
|
||||
imul ecx, sizeof.ARP_entry
|
||||
add ecx, ARP_table
|
||||
mov esi, ecx
|
||||
mov ecx, sizeof.ARP_entry/2
|
||||
rep movsw
|
||||
|
||||
xor eax, eax
|
||||
ret
|
||||
xor eax, eax
|
||||
ret
|
||||
|
||||
.write:
|
||||
; esi = pointer to buffer
|
||||
call ARP_add_entry ;out: eax = entry number, -1 on error
|
||||
ret
|
||||
; esi = pointer to buffer
|
||||
call ARP_add_entry ;out: eax = entry number, -1 on error
|
||||
ret
|
||||
|
||||
.remove:
|
||||
; ecx = # entry
|
||||
cmp ecx, [NumARP]
|
||||
jae .error
|
||||
imul ecx, sizeof.ARP_entry
|
||||
lea esi, [ARP_table + ecx]
|
||||
call ARP_del_entry
|
||||
ret
|
||||
; ecx = # entry
|
||||
cmp ecx, [NumARP]
|
||||
jae .error
|
||||
imul ecx, sizeof.ARP_entry
|
||||
lea esi, [ARP_table + ecx]
|
||||
call ARP_del_entry
|
||||
ret
|
||||
|
||||
|
Reference in New Issue
Block a user