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Rev 5524 Rev 5528
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;;          GNU GENERAL PUBLIC LICENSE                             ;;
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;;          GNU GENERAL PUBLIC LICENSE                             ;;
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;;             Version 2, June 1991                                ;;
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;;             Version 2, June 1991                                ;;
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;;                                                                 ;;
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;;                                                                 ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 5524 $
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$Revision: 5528 $
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uglobal
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uglobal
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        net_10ms        dd ?
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        net_10ms        dd ?
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        net_tmr_count   dw ?
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        net_tmr_count   dw ?
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endg
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endg
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- 
 
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DEBUG_NETWORK_ERROR     = 1
- 
 
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DEBUG_NETWORK_VERBOSE   = 0
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DEBUG_NETWORK_ERROR     = 1
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DEBUG_NETWORK_VERBOSE   = 0
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NET_DEVICES_MAX         = 16
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NET_BUFFERS             = 512
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NET_DEVICES_MAX         = 16
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NET_BUFFER_SIZE         = 2048
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NET_DEVICE_LOOPBACK     = 0
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NET_DEVICE_LOOPBACK     = 0
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NET_DEVICE_ETH          = 1
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NET_DEVICE_ETH          = 1
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NET_DEVICE_SLIP         = 2
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NET_DEVICE_SLIP         = 2
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; Network link types (link protocols)
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; Network link types (link protocols)
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NET_LINK_LOOPBACK       = 0     ;;; Really a link type?
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NET_LINK_LOOPBACK       = 0
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NET_LINK_MAC            = 1     ; Media access control (ethernet, isdn, ...)
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NET_LINK_MAC            = 1     ; Media access control (ethernet, isdn, ...)
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NET_LINK_PPP            = 2     ; Point to Point Protocol (PPPoE, ...)
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NET_LINK_PPP            = 2     ; Point to Point Protocol (PPPoE, ...)
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NET_LINK_IEEE802.11     = 3     ; IEEE 802.11 (WiFi)
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NET_LINK_IEEE802.11     = 3     ; IEEE 802.11 (WiFi)
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align 4
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align 4
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        NET_RUNNING     dd  ?
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        NET_RUNNING     dd ?
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        NET_DRV_LIST    rd NET_DEVICES_MAX
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        NET_BUFFS_FREE  rd NET_BUFFERS
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        NET_DRV_LIST    rd  NET_DEVICES_MAX
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        .current        dd ?
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endg
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endg
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;
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;
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;-----------------------------------------------------------------
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;-----------------------------------------------------------------
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align 4
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align 4
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stack_init:
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stack_init:
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; allocate network buffers
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        stdcall kernel_alloc, NET_BUFFER_SIZE*NET_BUFFERS
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        test    eax, eax
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        jz      .fail
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        mov     edi, NET_BUFFS_FREE
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        mov     ecx, NET_BUFFERS
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        cld
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  .loop:
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        stosd
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        add     eax, NET_BUFFER_SIZE
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        dec     ecx
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        jnz     .loop
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        mov     eax, NET_BUFFS_FREE
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        stosd
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; Init the network drivers list
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; Init the network drivers list
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        xor     eax, eax
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        xor     eax, eax
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        mov     edi, NET_RUNNING
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        mov     edi, NET_RUNNING
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        mov     ecx, (NET_DEVICES_MAX + 1)
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        mov     ecx, (NET_DEVICES_MAX + 1)
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        SOCKET_init
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        SOCKET_init
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        LOOP_init
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        LOOP_init
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        mov     [net_tmr_count], 0
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        ret
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        mov     [net_tmr_count], 0
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  .fail:
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  .exit:
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  .exit:
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        ret
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        ret
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- 
 
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align 4
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align 4
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proc NET_BUFF_alloc stdcall, buffersize
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        cmp     [buffersize], NET_BUFFER_SIZE
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        ja      .too_large
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        spin_lock_irqsave
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        mov     eax, [NET_BUFFS_FREE.current]
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        cmp     eax, NET_BUFFS_FREE+NET_BUFFERS*4
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        jae     .out_of_mem
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        mov     eax, [eax]
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        add     [NET_BUFFS_FREE.current], 4
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        spin_unlock_irqrestore
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        DEBUGF  1, "net alloc: 0x%x\n", eax
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        ret
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  .out_of_mem:
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        spin_unlock_irqrestore
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        xor     eax, eax
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        DEBUGF  DEBUG_NETWORK_ERROR, "NET_BUFF_alloc: out of mem!\n"
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        ret
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  .too_large:
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        xor     eax, eax
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        DEBUGF  DEBUG_NETWORK_ERROR, "NET_BUFF_alloc: too large!\n"
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NET_BUFF_alloc:
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        ret
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        jmp     kernel_alloc
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endp
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align 4
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proc NET_BUFF_free stdcall, buffer
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        DEBUGF  1, "net free: 0x%x\n", [buffer]
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        spin_lock_irqsave
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        sub     [NET_BUFFS_FREE.current], 4
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        mov     eax, [NET_BUFFS_FREE.current]
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        push    [buffer]
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        pop     dword[eax]
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        spin_unlock_irqrestore
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align 4
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