| 33,7 → 33,7 |
|---|
| ETHER_ARP equ 0x0608 |
| |
| ;AF_UNSPEC equ 0 |
| ;AF_UNIX equ 1 |
| AF_UNIX equ 1 |
| AF_INET4 equ 2 |
| ;AF_AX25 equ 3 |
| ;AF_IPX equ 4 |
| 64,7 → 64,7 |
|---|
| include "IPv4.inc" |
| include "ethernet.inc" |
| include "socket.inc" |
| ;include "tcp.inc" |
| include "tcp.inc" |
| include "udp.inc" |
| include "icmp.inc" |
| |
| 86,6 → 86,7 |
|---|
| call IPv4_init |
| call ARP_init |
| call UDP_init |
| call TCP_init |
| call ICMP_init |
| call socket_init |
| |
| 115,20 → 116,20 |
|---|
| cmp [ETH_RUNNING], 0 |
| je .exit |
| |
| call ETH_handler ; handle all queued ethernet packets |
| call ETH_send_queued |
| |
| ; Test for 10ms tick, call tcp timer |
| ; Test for 10ms tick |
| mov eax, [timer_ticks] |
| cmp eax, [last_1hsTick] |
| je .exit |
| |
| mov [last_1hsTick], eax |
| ; call tcp_tx_handler |
| |
| call ETH_handler ; handle all queued ethernet packets |
| call ETH_send_queued |
| call TCP_send_queued |
| |
| .sec_tick: |
| |
| ; Test for 1 second event, call 1s timer functions |
| ; Test for 1 second event |
| mov al, 0x0 ;second |
| out 0x70, al |
| in al, 0x71 |
| 139,7 → 140,7 |
|---|
| |
| call ARP_decrease_entry_ttls |
| call IPv4_decrease_fragment_ttls |
| ; call tcp_tcb_handler |
| call TCP_decrease_socket_ttls |
| |
| .exit: |
| ret |
| 146,41 → 147,77 |
|---|
| |
| |
| |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; Checksum [by Johnny_B] |
| ;; IN: |
| ;; buf_ptr=POINTER to buffer |
| ;; buf_size=SIZE of buffer |
| ;; OUT: |
| ;; AX=16-bit checksum |
| ;; Saves all used registers |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| proc checksum_jb stdcall uses ebx esi ecx,\ |
| buf_ptr:DWORD, buf_size:DWORD |
| |
| |
| ;----------------------------------------------------------------- |
| ; |
| ; checksum_1 |
| ; |
| ; This is the first of two functions needed to calculate the TCP checksum. |
| ; |
| ; IN: edx = start offeset for semi-checksum |
| ; esi = pointer to data |
| ; ecx = data size |
| ; OUT: edx = semi-checksum |
| ; |
| ;----------------------------------------------------------------- |
| |
| align 4 |
| checksum_1: |
| |
| xor eax, eax |
| xor ebx, ebx ;accumulator |
| mov esi, dword[buf_ptr] |
| mov ecx, dword[buf_size] |
| shr ecx, 1 ; ecx=ecx/2 |
| jnc @f ; if CF==0 then size is even number |
| mov bh, byte[esi + ecx*2] |
| @@: |
| cld |
| |
| shr ecx, 1 |
| pushf |
| .loop: |
| lodsw ;eax=word[esi],esi=esi+2 |
| xchg ah,al ;cause must be a net byte-order |
| add ebx, eax |
| lodsw |
| xchg al, ah |
| add edx, eax |
| loop .loop |
| |
| mov eax, ebx |
| popf |
| jnc .end |
| |
| lodsb |
| shl ax, 8 |
| add edx, eax |
| |
| .end: |
| |
| ret |
| |
| |
| |
| ;----------------------------------------------------------------- |
| ; |
| ; checksum_2 |
| ; |
| ; This function calculates the final ip/tcp/udp checksum for you |
| ; |
| ; IN: edx = semi-checksum |
| ; OUT: dx = checksum (in INET byte order) |
| ; |
| ;----------------------------------------------------------------- |
| |
| align 4 |
| checksum_2: |
| |
| mov ecx, edx |
| shr ecx, 16 |
| and edx, 0xffff |
| add edx, ecx |
| mov eax, edx |
| shr eax, 16 |
| add ax, bx |
| not ax |
| add edx, eax |
| |
| not dx |
| jnz .not_zero |
| dec dx |
| .not_zero: |
| xchg dl, dh |
| |
| DEBUGF 1,"Checksum: %x\n",dx |
| |
| ret |
| endp |
| |
| |
| |
| 250,7 → 287,15 |
|---|
| jmp .return |
| |
| @@: |
| dec bl ; 4 = Get driver pointer |
| jnz @f |
| |
| ; ..; |
| |
| |
| @@: |
| ; ... ; 5 Get driver name |
| |
| .doesnt_exist: |
| DEBUGF 1,"sys_network: invalid device/function specified!\n" |
| mov eax, -1 |