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Rev 837 Rev 914
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;;                                                              ;;
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;;                                                              ;;
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;;10.01.2007 Bugfix for checksum function from Paolo Franchetti ;;
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;;10.01.2007 Bugfix for checksum function from Paolo Franchetti ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 593 $
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$Revision: 914 $
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;
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;
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;*******************************************************************
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;*******************************************************************
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uglobal
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uglobal
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StackCounters:
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StackCounters:
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  dumped_rx_count:    dd  0
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  dumped_rx_count     dd  0
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  arp_tx_count:       dd  0
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  arp_tx_count:       dd  0
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  arp_rx_count:       dd  0
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  arp_rx_count:       dd  0
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  ip_rx_count:	      dd  0
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  ip_rx_count:	      dd  0
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  ip_tx_count:	      dd  0
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  ip_tx_count:	      dd  0
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endg
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endg
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; socket buffers
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; socket buffers
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SOCKETBUFFSIZE	   equ	      4096  ; state + config + buffer.
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SOCKETBUFFSIZE	   equ	      4096  ; state + config + buffer.
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SOCKETHEADERSIZE   equ	      76    ; thus 4096 - SOCKETHEADERSIZE bytes data
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SOCKETHEADERSIZE   equ	      76+8+8  ; thus 4096 - SOCKETHEADERSIZE bytes data
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NUM_SOCKETS	   equ	      16    ; Number of open sockets supported. Was 20
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;NUM_SOCKETS        equ        16    ; Number of open sockets supported. Was 20
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; TODO :: empty memory area
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; TODO :: empty memory area
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; Address of selected socket
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; Address of selected socket
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sktAddr 	     equ   stack_data + 32
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;sktAddr              equ   stack_data + 32
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; Parameter to checksum routine - data ptr
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; Parameter to checksum routine - data ptr
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checkAdd1	     equ   stack_data + 36
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checkAdd1	     equ   stack_data + 36
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; holds the TCP/UDP pseudo header. SA|DA|0|prot|UDP len|
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; holds the TCP/UDP pseudo header. SA|DA|0|prot|UDP len|
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pseudoHeader	     equ   stack_data + 50
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pseudoHeader	     equ   stack_data + 50
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; receive and transmit IP buffer allocation
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; receive and transmit IP buffer allocation
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sockets 	     equ   stack_data + 62
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;sockets              equ   stack_data + 62
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Next_free2	     equ   sockets + (SOCKETBUFFSIZE * NUM_SOCKETS)
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Next_free2 equ stack_data + 62;Next_free2           equ   sockets + (SOCKETBUFFSIZE * NUM_SOCKETS)
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; 1560 byte buffer for rx / tx ethernet packets
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; 1560 byte buffer for rx / tx ethernet packets
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Ether_buffer	     equ   Next_free2
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Ether_buffer	     equ   Next_free2
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Next_free3	     equ   Ether_buffer + 1518
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Next_free3	     equ   Ether_buffer + 1518
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;                    equ    resendBuffer + ( IPBUFFSIZE * NUMRESENDENTRIES )
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;                    equ    resendBuffer + ( IPBUFFSIZE * NUMRESENDENTRIES )
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- 
 
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;resendQ             equ     0x770000
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;resendBuffer        equ     resendQ + ( 4 * NUMRESENDENTRIES ) ; for TCP        ; XTODO: validate size
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resendBuffer	    equ     resendQ + ( 8 * NUMRESENDENTRIES ) ; for TCP
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;resendQ             equ     0x770000
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uglobal
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resendBuffer	    equ     resendQ + ( 4 * NUMRESENDENTRIES ) ; for TCP
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net_sockets rd 2
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endg
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; Below, the main network layer source code is included
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; Below, the main network layer source code is included
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;
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;
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include "queue.inc"
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include "queue.inc"
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include "eth_drv/ethernet.inc"
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include "eth_drv/ethernet.inc"
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include "ip.inc"
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include "ip.inc"
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include "icmp.inc"
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include "tcp.inc"
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include "udp.inc"
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include "socket.inc"
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include "socket.inc"
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;***************************************************************************
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;***************************************************************************
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;   Function
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;   Function
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;***************************************************************************
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;***************************************************************************
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stack_init:
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stack_init:
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	; Init two address spaces with default values
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	; Init two address spaces with default values
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	_memset_dw	stack_data_start, 0, 0x20000/4
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	_memset_dw	stack_data_start, 0, 0x20000/4
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	_memset_dw	resendQ, 0, NUMRESENDENTRIES * 2
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	mov	[net_sockets], 0
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	_memset_dw	resendQ, 0xFFFFFFFF, NUMRESENDENTRIES
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	mov	[net_sockets + 4], 0
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	; Queries initialization
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	; Queries initialization