forked from KolibriOS/kolibrios
RTL8139 fixes from heavyiron and new system function from me: read data from stack
input: eax = 53 ebx = 11 ecx = socket number edx = pointer to where data must be written esi = buffer size (max bytes of data to copy) int 0x40 (offcourse) returned: eax = number of bytes copied if buffer size is zero, all data will be copied (this will be max 4096 bytes) git-svn-id: svn://kolibrios.org@323 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
parent
5121a68d46
commit
a6c8d276c3
@ -460,11 +460,11 @@ rtl8139_transmit:
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lea edx, [edx+ecx*4+RTL8139_REG_TSD0]
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push edx ebx
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in ax, dx
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and ax, (1 shl RTL8139_BIT_TOK) or (1 shl RTL8139_BIT_OWN)
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test ax, 0x1fff ; or no size given
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jz .send_packet
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and ax, (1 shl RTL8139_BIT_TOK) or (1 shl RTL8139_BIT_OWN)
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cmp ax, (1 shl RTL8139_BIT_TOK) or (1 shl RTL8139_BIT_OWN)
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jz .send_packet
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test ax, 0x1fff ; or no size given
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jz .send_packet
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; wait for timeout
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mov ebx, RTL8139_TX_TIMEOUT
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mov eax, 0x5 ; delay x/100 secs
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@ -97,6 +97,7 @@ include "drivers/rtl8139.inc"
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include "drivers/3c59x.inc"
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include "drivers/sis900.inc"
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include "drivers/pcnet32.inc"
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;include "drivers/mtd80x.inc"
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; PCICards
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; ========
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@ -180,8 +181,14 @@ dd 0x09001039, SIS900_probe, SIS900_reset, SIS900_poll, SIS900_transmit, 0
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dd 0x20001022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
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dd 0x26251022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
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dd 0x20011022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
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; following card is untested
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;dd 0x08031516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable
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; following cards are untested
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dd 0x70161039, SIS900_probe, SIS900_reset, SIS900_poll, SIS900_transmit, 0
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;dd 0x08001516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable
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;dd 0x08911516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable
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rb PCICARDS_ENTRY_SIZE ; end of list marker, do not remove
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endg
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@ -78,28 +78,28 @@
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; so, define struct
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struc SOCKET
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{ .Status dd ? ;+00 - Status ( of this buffer )
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.PID dd ? ;+04 - Application Process ID
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.LocalIP dd ? ;+08 - Local IP Address
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.LocalPort dw ? ;+12 - Local Port
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.UnusedL dw ? ;+14 - may be removed in future
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.RemoteIP dd ? ;+16 - Remote IP Address
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.RemotePort dw ? ;+20 - Remote Port
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.UnusedR dw ? ;+22 - may be removed in future
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.rxDataCount dd ? ;+24 - Rx Data Count
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.TCBState dd ? ;+28 - TCB STATE
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.TCBTimer dd ? ;+32 - TCB Timer (seconds)
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.ISS dd ? ;+36 - Initial Send Sequence
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.IRS dd ? ;+40 - Initial Receive Sequence
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.SND_UNA dd ? ;+44 - Sequence number of unack'ed sent packets
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.SND_NXT dd ? ;+48 - Next send sequence number to use
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.SND_WND dd ? ;+52 - Send window
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.RCV_NXT dd ? ;+56 - Next receive sequence number to use
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.RCV_WND dd ? ;+60 - Receive window
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.SEG_LEN dd ? ;+64 - Segment length
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.SEG_WND dd ? ;+68 - Segment window
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.wndsizeTimer dd ? ;+72 - Retransmit queue # NOW WINDOW SIZE TIMER
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.rxData dd ? ;+76 - receive data buffer here
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{ .Status dd ? ;+00 - Status ( of this buffer )
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.PID dd ? ;+04 - Application Process ID
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.LocalIP dd ? ;+08 - Local IP Address
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.LocalPort dw ? ;+12 - Local Port
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.UnusedL dw ? ;+14 - may be removed in future
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.RemoteIP dd ? ;+16 - Remote IP Address
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.RemotePort dw ? ;+20 - Remote Port
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.UnusedR dw ? ;+22 - may be removed in future
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.rxDataCount dd ? ;+24 - Rx Data Count
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.TCBState dd ? ;+28 - TCB STATE
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.TCBTimer dd ? ;+32 - TCB Timer (seconds)
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.ISS dd ? ;+36 - Initial Send Sequence
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.IRS dd ? ;+40 - Initial Receive Sequence
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.SND_UNA dd ? ;+44 - Sequence number of unack'ed sent packets
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.SND_NXT dd ? ;+48 - Next send sequence number to use
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.SND_WND dd ? ;+52 - Send window
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.RCV_NXT dd ? ;+56 - Next receive sequence number to use
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.RCV_WND dd ? ;+60 - Receive window
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.SEG_LEN dd ? ;+64 - Segment length
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.SEG_WND dd ? ;+68 - Segment window
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.wndsizeTimer dd ? ;+72 - Retransmit queue # NOW WINDOW SIZE TIMER
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.rxData dd ? ;+76 - receive data buffer here
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}
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virtual at 0
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@ -109,18 +109,18 @@ end virtual
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; simple macro calcing real memory address of SOCKET struct by socket's
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macro Index2RealAddr reg
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{
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shl reg, 12
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shl reg, 12
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add reg, sockets
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}
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;Constants
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; current socket statuses
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SOCK_EMPTY equ 0 ; socket not in use
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SOCK_OPEN equ 1 ; open issued, but no data sent
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SOCK_EMPTY equ 0 ; socket not in use
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SOCK_OPEN equ 1 ; open issued, but no data sent
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; TCP opening modes
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SOCKET_PASSIVE equ 0
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SOCKET_ACTIVE equ 1
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SOCKET_PASSIVE equ 0
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SOCKET_ACTIVE equ 1
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;***************************************************************************
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; Function
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@ -141,15 +141,15 @@ is_localport_unused:
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mov edx, SOCKETBUFFSIZE * NUM_SOCKETS
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mov ecx, NUM_SOCKETS
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mov eax, 0 ; Assume the return value is 'in use'
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mov eax, 0 ; Assume the return value is 'in use'
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ilu1:
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sub edx, SOCKETBUFFSIZE
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cmp [edx + sockets + SOCKET.LocalPort], bx
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loopnz ilu1 ; Return back if the socket is occupied
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loopnz ilu1 ; Return back if the socket is occupied
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jz ilu_exit
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inc eax ; return port not in use
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jz ilu_exit
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inc eax ; return port not in use
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ilu_exit:
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ret
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@ -171,10 +171,10 @@ get_free_socket:
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gfs1:
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sub eax, SOCKETBUFFSIZE
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cmp [eax + sockets + SOCKET.Status], dword SOCK_EMPTY
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loopnz gfs1 ; Return back if the socket is occupied
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loopnz gfs1 ; Return back if the socket is occupied
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mov eax, ecx
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pop ecx
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jz gfs_exit
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jz gfs_exit
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mov eax, 0xFFFFFFFF
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gfs_exit:
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@ -197,7 +197,7 @@ socket_open:
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call get_free_socket
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cmp eax, 0xFFFFFFFF
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jz so_exit
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jz so_exit
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; ax holds the socket number that is free. Get real address
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push eax
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@ -205,14 +205,10 @@ socket_open:
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mov [eax + SOCKET.Status], dword SOCK_OPEN
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xchg bh, bl
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mov [eax + SOCKET.LocalPort], bx
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; mov [eax + 12], byte bh ; Local port ( LS 16 bits )
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; mov [eax + 13], byte bl ; Local port ( LS 16 bits )
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xchg ch, cl
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mov [eax + SOCKET.RemotePort], cx
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; mov [eax + 20], ch ; Remote Port ( LS 16 bits )
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; mov [eax + 21], cl ; Remote Port ( LS 16 bits )
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xchg bh, bl
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mov [eax + SOCKET.LocalPort], bx
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xchg ch, cl
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mov [eax + SOCKET.RemotePort], cx
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mov ebx, [stack_ip]
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mov [eax + SOCKET.LocalIP], ebx
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@ -221,7 +217,7 @@ socket_open:
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mov esi, [0x3010]
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mov ebx, [esi+TASKDATA.pid]
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mov [eax + SOCKET.PID], ebx ; save the process ID
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mov [eax + SOCKET.PID], ebx ; save the process ID
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pop eax ; Get the socket number back, so we can return it
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so_exit:
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@ -247,7 +243,7 @@ socket_open_tcp:
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call get_free_socket
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cmp eax, 0xFFFFFFFF
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jz so_exit
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jz so_exit
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; ax holds the socket number that is free. Get real address
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push eax
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@ -259,13 +255,13 @@ socket_open_tcp:
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; TODO - check this works!
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mov [eax + SOCKET.wndsizeTimer], dword 0 ; Reset the window timer.
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xchg bh, bl
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mov [eax + SOCKET.LocalPort], bx
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xchg bh, bl
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mov [eax + SOCKET.LocalPort], bx
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; mov [eax + 12], byte bh ; Local port ( LS 16 bits )
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; mov [eax + 13], byte bl ; Local port ( LS 16 bits )
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xchg ch, cl
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mov [eax + SOCKET.RemotePort], cx
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xchg ch, cl
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mov [eax + SOCKET.RemotePort], cx
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; mov [eax + 20], ch ; Remote Port ( LS 16 bits )
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; mov [eax + 21], cl ; Remote Port ( LS 16 bits )
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@ -277,28 +273,28 @@ socket_open_tcp:
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; Now fill in TCB state
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mov ebx, TCB_LISTEN
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cmp esi, SOCKET_PASSIVE
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jz sot_001
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jz sot_001
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mov ebx, TCB_SYN_SENT
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sot_001:
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mov [eax + SOCKET.TCBState], ebx ; Indicate the state of the TCB
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mov [eax + SOCKET.TCBState], ebx ; Indicate the state of the TCB
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mov esi, [0x3010]
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mov ecx, [esi+TASKDATA.pid]
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mov [eax + SOCKET.PID], ecx ; save the process ID
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mov [eax + SOCKET.PID], ecx ; save the process ID
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cmp ebx, TCB_LISTEN
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je sot_done
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je sot_done
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; Now, if we are in active mode, then we have to send a SYN to the specified remote port
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mov eax, EMPTY_QUEUE
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call dequeue
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cmp ax, NO_BUFFER
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je sot_done
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je sot_done
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push eax
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mov bl, 0x02 ; SYN
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mov bl, 0x02 ; SYN
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mov ecx, 0
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call buildTCPPacket
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@ -342,9 +338,9 @@ sot_exit:
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;***************************************************************************
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socket_close:
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Index2RealAddr ebx
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mov eax, 0xFFFFFFFF ; assume this operation will fail..
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mov eax, 0xFFFFFFFF ; assume this operation will fail..
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cmp [ebx + SOCKET.Status], dword SOCK_EMPTY
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jz sc_exit
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jz sc_exit
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; Clear the socket varaibles
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xor eax, eax
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@ -376,9 +372,9 @@ socket_close_tcp:
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sct001:
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cmp ecx, NUMRESENDENTRIES
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je sct003 ; None left
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je sct003 ; None left
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cmp [esi], bl
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je sct002 ; found one
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je sct002 ; found one
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inc ecx
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add esi, 4
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jmp sct001
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@ -393,19 +389,19 @@ sct003:
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Index2RealAddr ebx
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mov [sktAddr], ebx
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mov eax, 0xFFFFFFFF ; assume this operation will fail..
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mov eax, 0xFFFFFFFF ; assume this operation will fail..
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cmp [ebx + SOCKET.Status], dword SOCK_EMPTY
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jz sct_exit
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jz sct_exit
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; Now construct the response, and queue for sending by IP
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mov eax, EMPTY_QUEUE
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call dequeue
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cmp ax, NO_BUFFER
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je stl_exit
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je stl_exit
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push eax
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mov bl, 0x11 ; FIN + ACK
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mov bl, 0x11 ; FIN + ACK
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mov ecx, 0
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mov esi, 0
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@ -422,13 +418,13 @@ sct003:
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; Get the socket state
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mov eax, [ebx + SOCKET.TCBState]
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cmp eax, TCB_LISTEN
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je destroyTCB
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je destroyTCB
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cmp eax, TCB_SYN_SENT
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je destroyTCB
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je destroyTCB
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cmp eax, TCB_SYN_RECEIVED
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je sct_finwait1
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je sct_finwait1
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cmp eax, TCB_ESTABLISHED
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je sct_finwait1
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je sct_finwait1
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; assume CLOSE WAIT
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; Send a fin, then enter last-ack state
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@ -518,16 +514,16 @@ socket_status:
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;***************************************************************************
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socket_read:
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Index2RealAddr ebx
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mov eax, [ebx + SOCKET.rxDataCount] ; get count of bytes
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mov eax, [ebx + SOCKET.rxDataCount] ; get count of bytes
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mov ecx, 1
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test eax, eax
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jz sr2
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jz sr2
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dec eax
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mov esi, ebx ; esi is address of socket
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mov [ebx + SOCKET.rxDataCount], eax ; store new count
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mov esi, ebx ; esi is address of socket
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mov [ebx + SOCKET.rxDataCount], eax ; store new count
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;movzx ebx, byte [ebx + SOCKET.rxData] ; get the byte
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movzx ebx, byte [ebx + SOCKETHEADERSIZE] ; get the byte
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movzx ebx, byte [ebx + SOCKETHEADERSIZE] ; get the byte
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add esi, SOCKETHEADERSIZE
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mov edi, esi
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inc esi
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@ -547,6 +543,73 @@ sor_exit:
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ret
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;***************************************************************************
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; Function
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; socket_read_packet
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;
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; Description
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; socket # in ebx
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; datapointer # in ecx
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; buffer size in edx
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; returns # of bytes copied in eax
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;
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;***************************************************************************
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socket_read_packet:
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Index2RealAddr ebx ; get real socket address
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mov eax, [ebx + SOCKET.rxDataCount] ; get count of bytes
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test eax, eax ; if count of bytes is zero..
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jz .exit ; exit function (eax will be zero)
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test edx, edx ; if buffer size is zero, copy all data
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jz .copyallbytes
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cmp edx, eax ; if buffer size is larger then the bytes of data, copy all data
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jge .copyallbytes
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sub eax, edx ; store new count (data bytes in buffer - bytes we're about to copy)
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mov [ebx + SOCKET.rxDataCount], eax ;
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push eax
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mov eax, edx ; number of bytes we want to copy must be in eax
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call .startcopy ; copy to the application
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mov esi, ebx ; now we're going to copy the remaining bytes to the beginning
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add esi, SOCKETHEADERSIZE ; we dont need to copy the header
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mov edi, esi ; edi is where we're going to copy to
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add esi, edx ; esi is from where we copy
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pop ecx ; count of bytes we have left
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push ecx ; push it again so we can re-use it later
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shr ecx, 2 ; divide eax by 4
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cld
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rep movsd ; copy all full dwords
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pop ecx
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and ecx, 3
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rep movsb ; copy remaining bytes
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ret ; at last, exit
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.copyallbytes:
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xor esi, esi
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mov [ebx + SOCKET.rxDataCount], esi ; store new count (zero)
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.startcopy:
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mov edi, ecx ;
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add edi, std_application_base_address ; get data pointer to buffer in application
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mov esi, ebx ;
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add esi, SOCKETHEADERSIZE ; we dont need to copy the header
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mov ecx, eax ; eax is count of bytes
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push ecx
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shr ecx, 2 ; divide eax by 4
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cld ; copy all full dwords
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rep movsd ;
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pop ecx
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and ecx, 3
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rep movsb ; copy the rest bytes
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.exit:
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ret ; exit, or go back to shift remaining bytes if any
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;***************************************************************************
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; Function
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@ -566,13 +629,13 @@ socket_write:
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mov eax, 0xFFFFFFFF
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; If the socket is invalid, return with an error code
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cmp [ebx], dword SOCK_EMPTY
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je sw_exit
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je sw_exit
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mov eax, EMPTY_QUEUE
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call dequeue
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cmp ax, NO_BUFFER
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je sw_exit
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je sw_exit
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; Save the queue entry number
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push eax
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@ -592,19 +655,19 @@ socket_write:
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; Fill in the IP header ( some data is in the socket descriptor)
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mov eax, [ebx + 8]
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mov [edx + 12], eax ; source IP
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mov [edx + 12], eax ; source IP
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mov eax, [ebx + 16]
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mov [edx + 16], eax ; Destination IP
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mov [edx + 16], eax ; Destination IP
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mov al, 0x45
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mov [edx], al ; Version, IHL
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mov [edx], al ; Version, IHL
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xor al, al
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mov [edx + 1], al ; Type of service
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pop eax ; Get the UDP data length
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pop eax ; Get the UDP data length
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push eax
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add eax, 20 + 8 ; add IP header and UDP header lengths
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||||
add eax, 20 + 8 ; add IP header and UDP header lengths
|
||||
mov [edx + 2], ah
|
||||
mov [edx + 3], al
|
||||
xor al, al
|
||||
@ -641,9 +704,9 @@ socket_write:
|
||||
xor ax, ax
|
||||
mov [edx + 20 + 6], ax
|
||||
|
||||
pop ecx ; count of bytes to send
|
||||
mov ebx, ecx ; need the length later
|
||||
pop eax ; get callers ptr to data to send
|
||||
pop ecx ; count of bytes to send
|
||||
mov ebx, ecx ; need the length later
|
||||
pop eax ; get callers ptr to data to send
|
||||
|
||||
; Get the address of the callers data
|
||||
mov edi, [0x3010]
|
||||
@ -654,7 +717,7 @@ socket_write:
|
||||
mov edi, edx
|
||||
add edi, 28
|
||||
cld
|
||||
rep movsb ; copy the data across
|
||||
rep movsb ; copy the data across
|
||||
|
||||
; we have edx as IPbuffer ptr.
|
||||
; Fill in the UDP checksum
|
||||
@ -663,7 +726,7 @@ socket_write:
|
||||
mov [pseudoHeader], eax
|
||||
mov eax, [edx + 16]
|
||||
mov [pseudoHeader+4], eax
|
||||
mov ax, 0x1100 ; 0 + protocol
|
||||
mov ax, 0x1100 ; 0 + protocol
|
||||
mov [pseudoHeader+8], ax
|
||||
add ebx, 8
|
||||
mov eax, ebx
|
||||
@ -677,7 +740,7 @@ socket_write:
|
||||
add eax, 20
|
||||
mov [checkAdd2], eax
|
||||
mov eax, ebx
|
||||
mov [checkSize2], ax ; was eax!! mjh 8/7/02
|
||||
mov [checkSize2], ax ; was eax!! mjh 8/7/02
|
||||
|
||||
call checksum
|
||||
|
||||
@ -695,7 +758,7 @@ sw_001:
|
||||
mov [edx + 20 + 7], al
|
||||
|
||||
; Fill in the IP header checksum
|
||||
GET_IHL ecx,edx ; get IP-Header length
|
||||
GET_IHL ecx,edx ; get IP-Header length
|
||||
stdcall checksum_jb,edx,ecx ; buf_ptr, buf_size
|
||||
|
||||
mov [edx + 10], ah
|
||||
@ -744,7 +807,7 @@ socket_write_tcp:
|
||||
mov eax, 0xFFFFFFFF
|
||||
; If the socket is invalid, return with an error code
|
||||
cmp [ebx], dword SOCK_EMPTY
|
||||
je swt_exit
|
||||
je swt_exit
|
||||
|
||||
; If the sockets window timer is nonzero, do not queue packet
|
||||
; TODO - done
|
||||
@ -754,11 +817,11 @@ socket_write_tcp:
|
||||
mov eax, EMPTY_QUEUE
|
||||
call dequeue
|
||||
cmp ax, NO_BUFFER
|
||||
je swt_exit
|
||||
je swt_exit
|
||||
|
||||
push eax
|
||||
|
||||
mov bl, 0x10 ; ACK
|
||||
mov bl, 0x10 ; ACK
|
||||
|
||||
; Get the address of the callers data
|
||||
mov edi, [0x3010]
|
||||
@ -790,7 +853,7 @@ socket_write_tcp:
|
||||
swt_notlocal:
|
||||
pop ecx
|
||||
|
||||
push ebx ; save ipbuffer number
|
||||
push ebx ; save ipbuffer number
|
||||
|
||||
call queue
|
||||
|
||||
@ -810,9 +873,9 @@ swt_notlocal:
|
||||
|
||||
swt003:
|
||||
cmp ecx, NUMRESENDENTRIES
|
||||
je swt001 ; None found
|
||||
je swt001 ; None found
|
||||
cmp [esi], byte 0xFF
|
||||
je swt002 ; found one
|
||||
je swt002 ; found one
|
||||
inc ecx
|
||||
add esi, 4
|
||||
jmp swt003
|
||||
@ -830,7 +893,7 @@ swt002:
|
||||
|
||||
mov eax, [sktAddr]
|
||||
sub eax, sockets
|
||||
shr eax, 12 ; get skt #
|
||||
shr eax, 12 ; get skt #
|
||||
mov [esi], al
|
||||
mov [esi + 1], byte TCP_RETRIES
|
||||
mov [esi + 2], word TCP_TIMEOUT
|
||||
|
||||
@ -269,15 +269,13 @@ endp
|
||||
|
||||
checksum:
|
||||
pusha
|
||||
|
||||
mov eax, [checkAdd1]
|
||||
xor edx, edx ; edx is the accumulative checksum
|
||||
xor ebx, ebx
|
||||
mov cx, [checkSize1]
|
||||
shr cx, 1
|
||||
jz cs1_1
|
||||
|
||||
mov eax, [checkAdd1]
|
||||
|
||||
cs1:
|
||||
mov bh, [eax]
|
||||
mov bl, [eax + 1]
|
||||
@ -301,11 +299,11 @@ cs_test2:
|
||||
cmp cx, 0
|
||||
jz cs_exit ; Finished if no 2nd buffer
|
||||
|
||||
mov eax, [checkAdd2]
|
||||
|
||||
shr cx, 1
|
||||
jz cs2_1
|
||||
|
||||
mov eax, [checkAdd2]
|
||||
|
||||
cs2:
|
||||
mov bh, [eax]
|
||||
mov bl, [eax + 1]
|
||||
@ -673,6 +671,13 @@ nots9:
|
||||
|
||||
|
||||
nots10:
|
||||
cmp eax, 11
|
||||
jnz nots11
|
||||
|
||||
call socket_read_packet
|
||||
ret
|
||||
|
||||
nots11:
|
||||
cmp eax, 254
|
||||
jnz notdump
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user