A2osX/LIB/LIBTCPIP.S.txt

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PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BOOT/LIB/LIBTCPIP.O
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/LIBTCPIP.I
*--------------------------------------
ZPFrameBase1 .EQ ZPLIB
ZPFrameLen1 .EQ ZPLIB+2
*ZPFramePtr1 .EQ ZPLIB+4
ZPPtrIP .EQ ZPLIB+12
ZPPtrMAC .EQ ZPLIB+14
ZPPtrDNS .EQ ZPLIB+16
ZPPtrSKT .EQ ZPLIB+18
ZPTmpPtr1 .EQ ZPLIB+20
ZPTmpPtr2 .EQ ZPLIB+22
ZPTmpPtr3 .EQ ZPLIB+24
ZPDataPtr .EQ ZPLIB+26
ZPDataLen .EQ ZPLIB+28
ZPCachePtr .EQ ZPLIB+30
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
.DA CS.END-CS.START
.DA 0
.DA 0
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA LIB.LOAD
.DA LIB.UNLOAD
.DA SET.IPCFG
.DA GET.IPCFG
.DA NEW.ICMP.FRAME
.DA NEW.TCP.FRAME
.DA NEW.UDP.FRAME
.DA NEW.IP.FRAME
.DA $ffff NEW.ARP.FRAME
.DA $ffff NEW.ETH.FRAME
.DA SEND.ICMP.FRAME
.DA SEND.TCP.FRAME
.DA SEND.UDP.FRAME
.DA SEND.IP.FRAME
.DA $ffff SEND.ARP.FRAME
.DA $ffff SEND.ETH.FRAME
.DA ARP.CLEAR
.DA ARP.QUERY
.DA ARP.ADD
.DA ARP.GETCACHE
.DA DNS.CLEAR
.DA DNS.QUERY
.DA DNS.ADD
.DA DNS.GETCACHE
.DA RCVD.FRAMEA
.DA PULSEA
.DA SKT.NEW
.DA $FFFF
.DA SKT.ACCEPTA
.DA SKT.SENDA
.DA SKT.SEND
.DA SKT.RCVDA
.DA $FFFF
.DA SKT.CLOSEA
.DA SKT.GETTABLE
.DA SKT.GETA
.DA HST.GETBYNAME
.DA HST.GETBYADDR
*--------------------------------------
L.IPCFG .DA IPCFG
L.ARP.REQ .DA ARP.REQ
L.ARP.REP .DA ARP.REP
L.DNS.SOCKET .DA DNS.SOCKET
L.DNS.MSG .DA DNS.MSG
L.ARP.CACHE .DA ARP.CACHE
L.DNS.CACHE .DA DNS.CACHE
L.SKT.TABLE .DA SKT.TABLE
L.TmpSocket .DA TmpSocket
L.TCP.MSG .DA TCP.MSG
.DA 0
*--------------------------------------
LIB.LOAD lda bFirstLoad
bne .8
jsr ARP.CLEAR
jsr DNS.CLEAR
>LDYAI K.DYNPORT.START
>STYA DYNPORT.LAST
inc bFirstLoad
.8 clc
rts
*--------------------------------------
LIB.UNLOAD clc
rts
*--------------------------------------
* PULLW = PTR to S.IPCFG
*--------------------------------------
SET.IPCFG >PULLW ZPTmpPtr1
ldy #0
.1 lda (ZPTmpPtr1),y
sta IPCFG,y
iny
cpy #S.IPCFG
bne .1
ldx #5
.2 lda IPCFG+S.IPCFG.MAC,x
sta ARP.REQ.SRCMAC,x
sta ARP.REQ.SHA,x
sta ARP.REP.SRCMAC,x
sta ARP.REP.SHA,x
dex
bpl .2
ldx #3
.3 lda IPCFG+S.IPCFG.IP,x
sta ARP.REQ.SPA,x
sta ARP.REP.SPA,x
sta DNS.SOCKET.SA,x
dex
bpl .3
lda IPCFG+S.IPCFG.HDEV
>SYSCALL SYS.GetDevByIDA
>STYA NetDevJmp+1
ldx #DEVMGR.GETINFO
jsr NetDevJmp
>STYA ZPTmpPtr2
ldy #S.DEVINFO.FLAGS
lda (ZPTmpPtr2),y
sta DevFlags
and #S.DEVINFO.NET.FLAGS.ARPOFFLOAD
beq .4
>LDYA ZPTmpPtr1
ldx #DEVMGR.SETIPCFG
jsr NetDevJmp
.4 lda hDNSSocket1
beq .41
jsr SKT.CLOSEA
.41 lda hDNSSocket2
beq .42
jsr SKT.CLOSEA
.42 lda IPCFG+S.IPCFG.DNS1
beq .6
ldx #3
.5 lda IPCFG+S.IPCFG.DNS1,x
sta DNS.SOCKET.DA,x
dex
bpl .5
>PUSHW L.DNS.SOCKET
jsr SKT.NEW
bcs .9
stx hDNSSocket1
.6 lda IPCFG+S.IPCFG.DNS2
beq .8
ldx #3
.7 lda IPCFG+S.IPCFG.DNS2,x
sta DNS.SOCKET.DA,x
dex
bpl .7
>PUSHW L.DNS.SOCKET
jsr SKT.NEW
bcs .9
stx hDNSSocket2
.8 >LDYA ZPTmpPtr1
clc
.9 rts
*--------------------------------------
* grab a copy on the fly for lib function
* OUT :
* Y,A = PTR to S.IPCFG
*--------------------------------------
GET.IPCFG >LDYA L.IPCFG
clc
rts
*--------------------------------------
* Expire = every sec
* Retry = every 100 msec
*--------------------------------------
PULSEA asl
bpl .1
jsr ARP.EXPIRE
jsr DNS.EXPIRE
.1 jmp FRM.RETRY
*--------------------------------------
ToLowerCaseA cmp #'A'
bcc .1
cmp #'Z'+1
bcs .1
adc #$20
.1 rts
*--------------------------------------
GetDynPort inc DYNPORT.LAST
bne .1
inc DYNPORT.LAST+1
lda DYNPORT.LAST
sec
sbc #K.DYNPORT.END
lda DYNPORT.LAST+1
sbc /K.DYNPORT.END
bcs .1
>LDAXI K.DYNPORT.START
>STAX DYNPORT.LAST
rts CC
.1 >LDAX DYNPORT.LAST
clc
rts
*--------------------------------------
DecDataLen lda ZPDataLen
bne .1
lda ZPDataLen+1
beq .9
dec ZPDataLen+1
.1 dec ZPDataLen
lda #$FF Make NZ
.9 rts
*--------------------------------------
NetDevJmp jmp *
*--------------------------------------
.INB LIB/LIBTCPIP.S.FRM
.INB LIB/LIBTCPIP.S.ARP
.INB LIB/LIBTCPIP.S.IP
.INB LIB/LIBTCPIP.S.ICMP
.INB LIB/LIBTCPIP.S.UDP
.INB LIB/LIBTCPIP.S.TCP
.INB LIB/LIBTCPIP.S.DNS
.INB LIB/LIBTCPIP.S.SKT
.INB LIB/LIBTCPIP.S.HST
*--------------------------------------
CS.END
*--------------------------------------
ARP.REQ .DA S.ARP-2 Frame size
ARP.REQ.DSTMAC .HS FFFFFFFFFFFF
ARP.REQ.SRCMAC .BS 6
ARP.REQ.ETYPE .DA /S.ETH.ETHERTYPE.ARP
.DA #S.ETH.ETHERTYPE.ARP
.HS 0001.0800.06.04
ARP.REQ.OP .DA /S.ARP.OPERATION.REQ
.DA #S.ARP.OPERATION.REQ
ARP.REQ.SHA .BS 6
ARP.REQ.SPA .BS 4
ARP.REQ.THA .BS 6
ARP.REQ.TPA .BS 4
*--------------------------------------
ARP.REP .DA S.ARP-2 Frame size
ARP.REP.DSTMAC .BS 6
ARP.REP.SRCMAC .BS 6
ARP.REP.ETYPE .DA /S.ETH.ETHERTYPE.ARP
.DA #S.ETH.ETHERTYPE.ARP
.HS 0001.0800.06.04
ARP.REP.OP .DA /S.ARP.OPERATION.REP
.DA #S.ARP.OPERATION.REP
ARP.REP.SHA .BS 6
ARP.REP.SPA .BS 4
ARP.REP.THA .BS 6
ARP.REP.TPA .BS 4
*--------------------------------------
TCP.MSG .DA S.TCP-2+4 +4 bytes for MSS option
.BS 12 ETH:MAC+MAC
.DA /S.ETH.ETHERTYPE.IP
.DA #S.ETH.ETHERTYPE.IP
.DA $0045 IP:
.BS 6 LEN+ID+Frag
.DA #K.IP.TTL
.DA #S.IP.PROTOCOL.TCP
.BS 2 Checksum
.BS 8 IP:DST,SRC
.BS 4 TCP:Ports
.BS 8 SEQ,ACK
.DA #$60 6 DWORD
.BS 1 Options
.DA /K.TCP.WSIZE
.DA #K.TCP.WSIZE
.BS 4 CHK,URG
.HS 0204 MSS option
.DA /K.TCP.MSS
.DA #K.TCP.MSS
*--------------------------------------
DNS.SOCKET .DA #S.SOCKET.SOCK.DGRAM
.BS 3
DNS.SOCKET.SA .BS 4
DNS.SOCKET.SP .DA 0 Dynamic
DNS.SOCKET.DA .BS 4
DNS.SOCKET.DP .DA UDP.PORT.DNS
.BS 16
*--------------------------------------
DNS.MSG.LEN .BS 2
DNS.MSG
DNS.MSG.ID .BS 2
.DA /S.DNS.F.RD Flags=query
.DA #S.DNS.F.RD
.DA $100 QDCOUNT
.BS 6 ANCOUNT,NSCOUNT,ARCOUNT
DNS.MSG.NAME .BS K.DNS.MAXLEN+6
*--------------------------------------
IPCFG .BS S.IPCFG
ARP.CACHE .BS K.ARPCACHE.SIZE*S.ARPCACHE
DNS.CACHE .BS K.DNSCACHE.SIZE*S.DNSCACHE
SKT.TABLE .BS K.SKTTABLE.SIZE*S.SOCKET
FRM.QUEUE.Tail .BS 1
FRM.QUEUE.Head .BS 1
FRM.QUEUE.hMem .BS K.FRMQUEUE.SIZE
FRM.QUEUE.State .BS K.FRMQUEUE.SIZE
FRM.QUEUE.Retry .BS K.FRMQUEUE.SIZE
*--------------------------------------
bFirstLoad .DA #0
DevFlags .BS 1
DYNPORT.LAST .BS 2
hDNSSocket1 .BS 1
hDNSSocket2 .BS 1
DNS.HostNameLen .BS 1
DNS.HostName .BS K.DNS.MAXLEN+1
DNS.TmpCache .BS S.DNSCACHE
ARP.TmpCache .BS S.ARP
TmpDWord .BS 4
TmpSocket .BS S.SOCKET
hFrame1 .BS 1
hSocket .BS 1
TmpOffset .BS 2
HST.DecStr .BS 4
HST.IP .BS 5
IP.CHECKSUM .BS 4
*--------------------------------------
MAN
SAVE LIB/LIBTCPIP.S
ASM