Apple-2-SW/A2osX
1
0
Fork 0
mirror of https://github.com/A2osX/A2osX.git synced 2025-02-02 18:32:20 +00:00
Code Issues Projects Releases Wiki Activity

LBTCPIP:ARP rewrite

Browse Source
This commit is contained in:
Rémy GIBERT 2016-03-16 08:19:54 +01:00
parent 93fade265f
commit 5a3891650f
9 changed files with 311 additions and 265 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
A2OSX.BOOT.DSK
View File

Binary file not shown.

BIN
A2OSX.SRC.po
View File

Binary file not shown.

69
BIN/ARP.S.txt
View File

@ -13,7 +13,7 @@ AUTO 6
.INB INC/LIBSTR.I
.INB INC/LIBTCPIP.I
*--------------------------------------
ARP.TIMEOUT .EQ 50 50*100ms = 5 sec.
TIMEOUT.MAX .EQ 40 40*100ms = 4 sec.
*--------------------------------------
ZPPTR1 .EQ ZPBIN
*--------------------------------------
@ -55,7 +55,7 @@ CS.INIT >LDYA L.LIBSTR
ldy #S.PS.hARGS
lda (pPs),y
beq CS.INIT.CACHE
beq CS.INIT.DUMP
pha
>PUSHW L.DST.IP
@ -78,33 +78,31 @@ CS.INIT >LDYA L.LIBSTR
.9 lda #SYSMGR.ERRSYN
sec
rts
CS.INIT.CACHE >LIBCALL hLIBTCPIP,LIBTCPIP.ARP.GETCACHE
*--------------------------------------
CS.INIT.DUMP >LIBCALL hLIBTCPIP,LIBTCPIP.ARP.GETCACHE
>STYA ZPPTR1
>PUSHW L.MSG0
>LIBCALL hLIBSTR,LIBSTR.PRINTF
ldx #K.ARPCACHE.SIZE
.1 lda (ZPPTR1)
* beq .8
ldy #S.ARPCACHE.IP+4
.2 dey
lda (ZPPTR1),y
>PUSHA
>PUSHB (ZPPTR1),y
cpy #S.ARPCACHE.IP
bne .2
ldy #S.ARPCACHE.MAC+6
.3 dey
lda (ZPPTR1),y
>PUSHA
>PUSHB (ZPPTR1),y
cpy #S.ARPCACHE.MAC
bne .3
ldy #S.ARPCACHE.RETRYCNT
lda (ZPPTR1),y
>PUSHA
ldy #S.ARPCACHE.TTL+1
>PUSHB (ZPPTR1),y
dey
>PUSHB (ZPPTR1),y
>PUSHB (ZPPTR1)
@ -112,6 +110,7 @@ CS.INIT.CACHE >LIBCALL hLIBTCPIP,LIBTCPIP.ARP.GETCACHE
phx
>LIBCALL hLIBSTR,LIBSTR.PRINTF
plx
lda ZPPTR1
clc
adc #S.ARPCACHE
@ -119,13 +118,13 @@ CS.INIT.CACHE >LIBCALL hLIBTCPIP,LIBTCPIP.ARP.GETCACHE
bcc .4
inc ZPPTR1+1
.4 dex
bne .1
bne .1
.8 lda #0 tell TSKMGR that all done ok, but
sec we do not want to stay in memory
rts
*--------------------------------------
CS.RUN lda #ARP.TIMEOUT
sta TimeOut
CS.RUN jsr Init.Timeout
.1 lda bCTRLC
bne .9
@ -135,8 +134,9 @@ CS.RUN lda #ARP.TIMEOUT
bcc .2 success, print & exit
lda TimeOut
beq .9
jsr Wait.TimeOut
bcs .9
>SYSCALL SYS.Sleep
bra .1
@ -157,14 +157,15 @@ CS.RUN lda #ARP.TIMEOUT
rts
*--------------------------------------
CS.DOEVENT lda (pEvent)
and #S.EVT.F.TIMER is it a TIMER event?
beq .1 no....
bpl .1 is it a TIMER event?
lda TimeOut
ldy #TimeOut
lda (pData),y
beq .9
dec TimeOut
bra .9
dec
sta (pData),y
.9 sec do not discard TIMER event
rts
.1 lda (pEvent)
and #S.EVT.F.KEY is it a KEY event?
@ -189,9 +190,6 @@ CS.DOEVENT lda (pEvent)
sta bCTRLC
clc
rts
.9 sec
rts
*--------------------------------------
CS.QUIT lda hLIBTCPIP
>SYSCALL SYS.UnloadLibA
@ -200,12 +198,27 @@ CS.QUIT lda hLIBTCPIP
clc
rts
*--------------------------------------
Init.Timeout ldy #TimeOut
lda #TIMEOUT.MAX
sta (pData),y
rts
*--------------------------------------
Wait.TimeOut sec
ldy #TimeOut
lda (pData),y
beq .9
ldy #bCTRLC
lda (pData),y
bmi .9
clc
.9 rts
*--------------------------------------
CS.END
LIBSTR >PSTRING "libstr.o"
LIBTCPIP >PSTRING "libtcpip.o"
SSCANF.IP >PSTRING "%d.%d.%d.%d"
MSG0 >CSTRING "STS RET MAC Address IP Address\n"
MSG1 >CSTRING "$%h %03d %h:%h:%h:%h:%h:%h %d.%d.%d.%d\n"
MSG0 >CSTRING "STS TTL MAC Address IP Address\n"
MSG1 >CSTRING "$%h %5d %h:%h:%h:%h:%h:%h %d.%d.%d.%d\n"
MSG2 >CSTRING "%d.%d.%d.%d is at %h:%h:%h:%h:%h:%h\n"
*--------------------------------------
DS.START

14
INC/LIBTCPIP.I.txt
View File

@ -6,10 +6,11 @@ AUTO 6
.LIST OFF
.OP 65C02
*--------------------------------------
K.ARPCACHE.SIZE .EQ 10
K.ARPCACHE.SIZE .EQ 16
K.DNSCACHE.SIZE .EQ 10
K.SKTTABLE.SIZE .EQ 64
K.ETH.FRAME.LEN .EQ 1514
K.ARP.TTL .EQ 600
K.IP.TTL .EQ 64
K.DNS.MAXLEN .EQ 64
K.DYNPORT.START .EQ 49152
@ -94,13 +95,14 @@ S.IPCFG.DOMAIN .EQ 48 1+35 char PSTR
S.IPCFG .EQ 128
*--------------------------------------
S.ARPCACHE.STATUS .EQ 0
S.ARPCACHE.STATUS.PENDING .EQ 64
S.ARPCACHE.STATUS.PENDING .EQ 1
S.ARPCACHE.STATUS.STATIC .EQ 2
S.ARPCACHE.STATUS.RESOLVED .EQ 128
S.ARPCACHE.RETRYCNT .EQ 1
S.ARPCACHE.IP .EQ 2
S.ARPCACHE.MAC .EQ 6
S.ARPCACHE.TTL .EQ 2
S.ARPCACHE.IP .EQ 6
S.ARPCACHE.MAC .EQ 10
*
S.ARPCACHE .EQ 12
S.ARPCACHE .EQ 16
*--------------------------------------
S.DNSCACHE.STATUS .EQ 0
S.DNSCACHE.STATUS.PENDING .EQ 1

456
LIB/LIBTCPIP.S.ARP.txt
View File

@ -5,6 +5,215 @@ INC 1
AUTO 6
.LIST OFF
*--------------------------------------
ARP.CLEAR ldx #K.ARPCACHE.SIZE*S.ARPCACHE
.1 dex
stz ARP.CACHE,x
txa
bne .1
clc
rts
*--------------------------------------
* ARP.QUERY
* In:
* PULLW PTR to IP
* PULLW PTR to MAC (to fill)
* Out:
* CC: hit: MAC filled
* CS: missed
*--------------------------------------
ARP.QUERY >PULLW ZPPtrIP IP
>PULLW ZPPtrMAC MAC
ARP.QUERY.I jsr ARP.FIND.BY.IP
bcs ARP.REQUEST
lda (ZPCachePtr) get status...
bpl .9 Pending...
lda ZPCachePtr
clc
adc S.ARPCACHE.MAC
sta ZPCachePtr
bcc .1
inc ZPCachePtr+1
.1 ldy #5
.2 lda (ZPCachePtr),y
sta (ZPPtrMAC),y
dey
bpl .2
clc
rts
.9 lda #ERR.ARPPENDING
sec
rts
*--------------------------------------
ARP.REQUEST ldy #3
.1 lda (ZPPtrIP),y
sta ARP.REQ.TPA,y
sta ARP.TmpCache+S.ARPCACHE.IP,y
dey
bpl .1
>PUSHW L.ARP.REQ
ldx #DEVMGR.NET.SEND
jsr NetDevJmp
bcs .9
lda #S.ARPCACHE.STATUS.PENDING
jsr ARP.ADD.I ZPPtrIP still pointing IP
lda #ERR.ARPPENDING
sec
.9 rts
*--------------------------------------
* ARP.ADD
* In:
* PULLW PTR to IP
* PULLW PTR to MAC
*--------------------------------------
ARP.ADD >PULLW ZPPtrIP IP
>PULLW ZPPtrMAC MAC
lda #S.ARPCACHE.STATUS.RESOLVED+S.ARPCACHE.STATUS.STATIC
ARP.ADD.I sta ARP.TmpCache
jsr ARP.FIND.BY.IP
bcc .5
jsr DNS.FIND.FREE
.1 lda ARP.CACHE,x get status
beq .7 empty ARP cache entry
phx
ldy #0
.2 lda (ZPPtrIP),y
cmp ARP.CACHE+S.ARPCACHE.IP,x
bne .4
inx
iny
cpy #4
bne .2
plx
bra .7 same IP,update MAC
.4 pla get back index in ARP.CACHE
clc
adc #S.ARPCACHE
cmp #K.ARPCACHE.SIZE*S.ARPCACHE
beq .5 Cache is full ?
tax
bra .1
.5 bra *
ldx #K.ARPCACHE.SIZE*S.ARPCACHE-S.ARPCACHE
.6 lda ARP.CACHE+S.ARPCACHE-1,x
sta ARP.CACHE-1,x
dex
bne .6
ldx #K.ARPCACHE.SIZE*S.ARPCACHE-S.ARPCACHE
.7 lda Status
sta ARP.CACHE,x mark ARP entry Status
lda #K.ARP.TTL
sta ARP.CACHE+S.ARPCACHE.TTL,x
lda /K.ARP.TTL
sta ARP.CACHE+S.ARPCACHE.TTL+1,x
ldy #0
phx
.8 lda (ZPPtrIP),y store IP in cache
sta ARP.CACHE+S.ARPCACHE.IP,x
iny
inx
cpy #4
bne .8
plx
lda Status
bpl .82 no MAC if "pending"
ldy #0
.81 lda (ZPPtrMAC),y store MAC in cache
sta ARP.CACHE+S.ARPCACHE.MAC,x
iny
inx
cpy #6
bne .81
.82 clc
rts
*--------------------------------------
* ARP.GETCACHE
* Out:
* Y,A = PTR to ARP.CACHE
*--------------------------------------
ARP.GETCACHE >LDYA L.ARP.CACHE
clc
rts
*--------------------------------------
* PRIVATE
*--------------------------------------
ARP.RESOLVE ldy #S.IP.DST
lda (ZPFrameBase1),y
iny
.1 and (ZPFrameBase1),y
iny
cpy #S.IP.DST+4
bne .1
cmp #$FF
bne .3 not a broadcast....
ldy #S.ETH.DSTMAC
.2 sta (ZPFrameBase1),y
iny
cpy #S.ETH.DSTMAC+6
bne .2
clc
rts
.3 ldy #S.IP.DST+3
ldx #3
.4 lda (ZPFrameBase1),y
eor IPCFG+S.IPCFG.IP,x
and IPCFG+S.IPCFG.MASK,x
bne .5
dey
dex
bpl .4
lda ZPFrameBase1 Same network, query ARP for dest IP
clc
adc #S.IP.DST
sta ZPPtrIP
lda ZPFrameBase1+1
adc /S.IP.DST
sta ZPPtrIP+1
bra .6
.5 lda L.IPCFG Not Same network, query ARP for GW
clc
adc #S.IPCFG.GW
sta ZPPtrIP
lda L.IPCFG+1
adc /S.IPCFG.GW
sta ZPPtrIP+1
.6 lda ZPFrameBase1
clc
adc #S.ETH.DSTMAC
sta ZPPtrMAC
lda ZPFrameBase1+1
adc /S.ETH.DSTMAC
sta ZPPtrMAC+1
*--------------------------------------
*--------------------------------------
*--------------------------------------
ARP.IN ldy #S.ARP.TPA
ldx #S.IPCFG.IP
@ -71,228 +280,69 @@ ARP.IN.REP lda #S.ARP.SHA
clc
rts
*--------------------------------------
ARP.EXPIRE
clc
rts
*--------------------------------------
* ARP.CLEAR
*--------------------------------------
ARP.CLEAR ldx #K.ARPCACHE.SIZE*S.ARPCACHE
.1 stz ARP.CACHE-1,x
dex
bne .1
clc
rts
*--------------------------------------
* ARP.QUERY
* In:
* PULLW PTR to IP
* PULLW PTR to MAC (to fill)
* Out:
* CC: hit: MAC filled
* CS: missed
*--------------------------------------
ARP.QUERY >PULLW ZPPtrIP IP
>PULLW ZPPtrMAC MAC
jmp ARP.QUERY.I
*--------------------------------------
* ARP.ADD
* In:
* PULLW PTR to IP
* PULLW PTR to MAC
*--------------------------------------
ARP.ADD >PULLW ZPPtrIP IP
>PULLW ZPPtrMAC MAC
lda #S.ARPCACHE.STATUS.RESOLVED
jmp ARP.ADD.I
*--------------------------------------
* ARP.GETCACHE
* Out:
* Y,A = PTR to ARP.CACHE
*--------------------------------------
ARP.GETCACHE >LDYA L.ARP.CACHE
clc
rts
*--------------------------------------
* PRIVATE
*--------------------------------------
ARP.RESOLVE ldy #S.IP.DST
lda (ZPFrameBase1),y
ARP.EXPIRE >LDYA L.ARP.CACHE
>STYA ZPCachePtr
ldx #K.ARPCACHE.SIZE
.1 lda (ZPCachePtr)
beq .7
ldy #S.ARPCACHE.TTL
sec
lda (ZPCachePtr),y
sbc #1
sta (ZPCachePtr),y
iny
.1 and (ZPFrameBase1),y
iny
cpy #S.IP.DST+4
bne .1
cmp #$FF
bne .3 not a broadcast....
lda (ZPCachePtr),y
sbc #0
sta (ZPCachePtr),y
bcs .2
ldy #S.ETH.DSTMAC
.2 sta (ZPFrameBase1),y
iny
cpy #S.ETH.DSTMAC+6
bne .2
clc
rts
lda #0
sta (ZPCachePtr)
.3 ldy #S.IP.DST+3
ldx #3
.4 lda (ZPFrameBase1),y
eor IPCFG+S.IPCFG.IP,x
and IPCFG+S.IPCFG.MASK,x
bne .5
dey
dex
bpl .4
lda ZPFrameBase1 Same network, query ARP for dest IP
clc
adc #S.IP.DST
sta ZPPtrIP
lda ZPFrameBase1+1
adc /S.IP.DST
sta ZPPtrIP+1
bra .6
.5 lda L.IPCFG Not Same network, query ARP for GW
clc
adc #S.IPCFG.GW
sta ZPPtrIP
lda L.IPCFG+1
adc /S.IPCFG.GW
sta ZPPtrIP+1
.6 lda ZPFrameBase1
clc
adc #S.ETH.DSTMAC
sta ZPPtrMAC
lda ZPFrameBase1+1
adc /S.ETH.DSTMAC
sta ZPPtrMAC+1
*--------------------------------------
ARP.QUERY.I ldx #0
.1 phx
lda ARP.CACHE,x
beq .5 empty ARP Cache entry, try next...
ldy #0
.2 lda ARP.CACHE+S.ARPCACHE.IP,x
cmp (ZPPtrIP),y
bne .5 wrong IP, try next...
inx
iny
cpy #4
bne .2
plx
lda ARP.CACHE,x get back status
bpl .4 Pending...
ldy #0 already resolved, get MAC
.3 lda ARP.CACHE+S.ARPCACHE.MAC,x
sta (ZPPtrMAC),y
inx
iny
cpy #6
bne .3
clc
rts
.4 inc ARP.CACHE+S.ARPCACHE.RETRYCNT,x Pending, increase Retry Count
bne .41
stz ARP.CACHE,x reached max retry,mark as free
.41 sec
rts
.5 pla
.2 lda ZPCachePtr
clc
adc #S.ARPCACHE
tax
cmp #K.ARPCACHE.SIZE*S.ARPCACHE
sta ZPCachePtr
bcc .3
inc ZPCachePtr+1
.3 dex
bne .1
rts
*--------------------------------------
ARP.REQUEST.I ldy #3
.1 lda (ZPPtrIP),y
sta ARP.REQ.TPA,y
dey
bpl .1
>PUSHW L.ARP.REQ
ldx #DEVMGR.NET.SEND
jsr NetDevJmp
ARP.FIND.BY.IP >LDYA L.ARP.CACHE
>STYA ZPCachePtr
bcs .9
lda #K.ARPCACHE.SIZE
sta TmpOffset
jsr ARP.ADD.PENDING ZPPtrIP still pointing IP
sec
.9 rts
*--------------------------------------
ARP.ADD.PENDING lda #S.ARPCACHE.STATUS.PENDING
.1 lda (ZPCachePtr)
beq .7
ARP.ADD.I sta Status
ldy #S.ARPCACHE.IP
lda (ZPCachePtr),y
ldx #0
.1 lda ARP.CACHE,x get status
beq .7 empty ARP cache entry
phx
ldy #0
.2 lda (ZPPtrIP),y
cmp ARP.CACHE+S.ARPCACHE.IP,x
bne .4
inx
iny
cpy #4
bne .2
plx
bra .7 same IP,update MAC
.4 pla get back index in ARP.CACHE
.7 lda ZPCachePtr
clc
adc #S.ARPCACHE
cmp #K.ARPCACHE.SIZE*S.ARPCACHE
beq .5 Cache is full ?
tax
bra .1
sta ZPCachePtr
bcc .8
inc ZPCachePtr+1
.5 ldx #K.ARPCACHE.SIZE*S.ARPCACHE-S.ARPCACHE
.8 dec TmpOffset
bne .1
.6 lda ARP.CACHE+S.ARPCACHE-1,x
sta ARP.CACHE-1,x
dex
bne .6
ldx #K.ARPCACHE.SIZE*S.ARPCACHE-S.ARPCACHE
.7 lda Status
sta ARP.CACHE,x mark ARP entry Status
inx
stz ARP.CACHE,x Init retry count
inx
ldy #0
.8 lda (ZPPtrIP),y store IP in cache
sta ARP.CACHE,x
inx
iny
cpy #4
bne .8
lda Status
bpl .82 no MAC if "pending"
ldy #0
.81 lda (ZPPtrMAC),y store MAC in cache
sta ARP.CACHE,x
inx
iny
cpy #6
bne .81
.82 clc
sec
rts
*--------------------------------------
ARP.FIND.FREE
*--------------------------------------
MAN
SAVE LIB/LIBTCPIP.S.ARP
LOAD LIB/LIBTCPIP.S

11
LIB/LIBTCPIP.S.ICMP.txt
View File

@ -28,7 +28,7 @@ ICMP.IN ldy #S.ICMP.TYPE
ldx #3
.2 lda (ZPFrameBase1),y
sta TmpIP,x
sta ARP.TmpCache+S.ARPCACHE.IP,x
dey
dex
bpl .2
@ -36,7 +36,7 @@ ICMP.IN ldy #S.ICMP.TYPE
ldy #S.IP.DST+3
ldx #3
.3 lda TmpIP,x
.3 lda ARP.TmpCache+S.ARPCACHE.IP,x
sta (ZPFrameBase1),y
dey
dex
@ -46,14 +46,13 @@ ICMP.IN ldy #S.ICMP.TYPE
ldx #5
.4 lda (ZPFrameBase1),y
sta TmpMAC,x
sta ARP.TmpCache+S.ARPCACHE.MAC,x
dey
dex
bpl .4
>PUSHW L.TmpMAC
>PUSHW L.TmpIP
jsr ARP.ADD
lda #S.ARPCACHE.STATUS.RESOLVED
jsr ARP.ADD.I
jmp SEND.ICMP.FRAME.I
.9 sec

14
LIB/LIBTCPIP.S.SKT.txt
View File

@ -76,19 +76,7 @@ SKT.NEW >PULLW ZPTmpPtr1
dey
bpl .7
lda ZPTmpPtr1
clc
adc #S.SOCKET.DST.ADDR
sta ZPPtrIP
lda ZPTmpPtr1+1
adc /S.SOCKET.DST.ADDR
sta ZPPtrIP+1
lda (ZPPtrIP)
beq .8
jsr ARP.REQUEST.I
.8 ldx TmpOffset
ldx TmpOffset
>LDYA ZPTmpPtr3
clc
rts

5
LIB/LIBTCPIP.S.txt
View File

@ -95,8 +95,6 @@ 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.TmpMAC .DA TmpMAC
L.TmpIP .DA TmpIP
L.TmpSocket .DA TmpSocket
L.TCP.MSG .DA TCP.MSG
.DA 0
@ -340,8 +338,7 @@ hDNSSocket2 .BS 1
DNS.HostNameLen .BS 1
DNS.HostName .BS K.DNS.MAXLEN+1
DNS.TmpCache .BS S.DNSCACHE
TmpMAC .BS 6
TmpIP .BS 4
ARP.TmpCache .BS S.ARP
TmpDWord .BS 4
TmpSocket .BS S.SOCKET
hFrame1 .BS 1

7
SBIN/TCPIP.S.txt
View File

@ -12,11 +12,8 @@ AUTO 6
.INB INC/A2OSX.I
.INB INC/LIBTCPIP.I
*--------------------------------------
ZPFrameBase1 .EQ ZPBIN
ZPFrameLen1 .EQ ZPBIN+2
ZPFramePtr1 .EQ ZPBIN+4
ZPIPCfgPtr .EQ ZPBIN+12
ZPIPDevPtr .EQ ZPBIN+14
ZPIPCfgPtr .EQ ZPBIN
ZPIPDevPtr .EQ ZPBIN+2
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------