mirror of https://github.com/A2osX/A2osX.git
356 lines
6.5 KiB
Plaintext
356 lines
6.5 KiB
Plaintext
NEW
|
||
AUTO 3,1
|
||
*--------------------------------------
|
||
FRM.GetTargetSKT.TCPUDP
|
||
ldy #S.TCPUDP.SRCPORT
|
||
lda (ZPFrameInPtr),y
|
||
sta SKT.REM.ADDR+S.SOCKADDR.PORT+1
|
||
iny
|
||
lda (ZPFrameInPtr),y
|
||
sta SKT.REM.ADDR+S.SOCKADDR.PORT
|
||
iny #S.TCPUDP.DSTPORT
|
||
lda (ZPFrameInPtr),y
|
||
sta SKT.LOC.ADDR+S.SOCKADDR.PORT+1
|
||
iny
|
||
lda (ZPFrameInPtr),y
|
||
sta SKT.LOC.ADDR+S.SOCKADDR.PORT
|
||
|
||
FRM.GetTargetSKT.RAW
|
||
ldy #S.IP.SRC+3
|
||
ldx #3
|
||
|
||
.1 lda (ZPFrameInPtr),y
|
||
sta SKT.REM.ADDR+S.SOCKADDR.ADDR,x
|
||
dey
|
||
dex
|
||
bpl .1
|
||
|
||
ldy #S.IP.DST+3
|
||
ldx #3
|
||
|
||
.2 lda (ZPFrameInPtr),y
|
||
sta SKT.LOC.ADDR+S.SOCKADDR.ADDR,x
|
||
dey
|
||
dex
|
||
bpl .2
|
||
|
||
rts
|
||
*--------------------------------------
|
||
* FRM.NewIP
|
||
* In:
|
||
* Y,A = DataLen
|
||
* X = S.IP.PROTOCOL.xxx
|
||
* Out:
|
||
* Y,A = Frame PTR
|
||
* X = hMem
|
||
*--------------------------------------
|
||
FRM.NewIP stx .8+1
|
||
>STYA ZPDataOutLen
|
||
cpx #S.IP.PROTOCOL.TCP
|
||
bne .1
|
||
|
||
lda #S.TCP
|
||
bra .4
|
||
|
||
.1 cpx #S.IP.PROTOCOL.UDP
|
||
bne .2
|
||
|
||
lda #S.UDP
|
||
bra .4
|
||
|
||
.2 lda #S.IP
|
||
|
||
.4 sta .5+1 save Header len for reset later
|
||
clc
|
||
adc ZPDataOutLen
|
||
sta ZPFrameOutLen
|
||
tay
|
||
lda #0
|
||
adc ZPDataOutLen+1
|
||
sta ZPFrameOutLen+1
|
||
>SYSCALL2 getmem
|
||
bcs .9
|
||
|
||
stx hFrameOut
|
||
>STYA ZPFrameOutPtr
|
||
|
||
ldy #0
|
||
.5 ldx #$ff Self Modified, header length
|
||
lda #0
|
||
|
||
.6 sta (ZPFrameOutPtr),y
|
||
iny
|
||
dex
|
||
bne .6
|
||
|
||
tya
|
||
* clc
|
||
adc ZPFrameOutPtr
|
||
sta ZPDataOutPtr
|
||
lda #0
|
||
adc ZPFrameOutPtr+1
|
||
sta ZPDataOutPtr+1
|
||
lda IPCFG+S.NETCFG.DevFlags
|
||
and #S.DCB.NIC.FLAGS.IPOFFLOAD
|
||
bne .7
|
||
|
||
ldy #S.ETH.EII.TYPE
|
||
lda /S.ETH.EII.TYPE.IP
|
||
sta (ZPFrameOutPtr),y
|
||
iny
|
||
lda #S.ETH.EII.TYPE.IP
|
||
sta (ZPFrameOutPtr),y
|
||
|
||
ldy #S.IP.V.IHL
|
||
lda #$45
|
||
sta (ZPFrameOutPtr),y
|
||
* iny
|
||
* lda #$0
|
||
* sta (ZPFrameOutPtr),y
|
||
|
||
* ldy #S.IP.FRAGMENT.FLAGS
|
||
* sta (ZPFrameOutPtr),y
|
||
* iny
|
||
* sta (ZPFrameOutPtr),y
|
||
ldy #S.IP.IDENTIFICATION+1
|
||
lda IP.ID
|
||
ldx IP.ID+1
|
||
inc
|
||
bne .61
|
||
|
||
inx
|
||
|
||
stx IP.ID+1
|
||
|
||
.61 sta IP.ID
|
||
sta (ZPFrameOutPtr),y
|
||
dey
|
||
txa
|
||
sta (ZPFrameOutPtr),y
|
||
|
||
ldy #S.IP.TTL
|
||
lda #K.IP.TTL
|
||
sta (ZPFrameOutPtr),y
|
||
|
||
.7 ldy #S.IP.PROTOCOL
|
||
|
||
.8 lda #$ff
|
||
sta (ZPFrameOutPtr),y
|
||
.9 rts
|
||
*--------------------------------------
|
||
* clc Queue if fail
|
||
* sec DONT Queue if fail
|
||
*--------------------------------------
|
||
FRM.SendIP php
|
||
ldx #3 Copy SRC.IP even if IP offload
|
||
ldy #S.IP.SRC+3 for proper UDP/TCP CRC calculation
|
||
|
||
.1 lda IPCFG+S.IPCFG.IP,x
|
||
sta (ZPFrameOutPtr),y
|
||
dey
|
||
dex
|
||
bpl .1
|
||
|
||
lda IPCFG+S.NETCFG.DevFlags
|
||
and #S.DCB.NIC.FLAGS.IPOFFLOAD
|
||
bne .21
|
||
|
||
ldy #S.IP.TOTAL.LENGTH+1
|
||
lda ZPFrameOutLen
|
||
sec
|
||
sbc #S.ETH.EII
|
||
sta (ZPFrameOutPtr),y
|
||
dey
|
||
lda ZPFrameOutLen+1
|
||
sbc /S.ETH.EII
|
||
sta (ZPFrameOutPtr),y
|
||
lda #0
|
||
ldy #S.IP.HDR.CHECKSUM
|
||
sta (ZPFrameOutPtr),y
|
||
iny
|
||
sta (ZPFrameOutPtr),y
|
||
stz IP.CHECKSUM RESET IP CHECKSUM
|
||
stz IP.CHECKSUM+1
|
||
|
||
clc
|
||
|
||
ldy #S.IP.V.IHL
|
||
|
||
ldx #10 10 words for IP Header
|
||
|
||
.2 lda (ZPFrameOutPtr),y
|
||
adc IP.CHECKSUM
|
||
sta IP.CHECKSUM
|
||
|
||
iny
|
||
lda (ZPFrameOutPtr),y
|
||
adc IP.CHECKSUM+1
|
||
sta IP.CHECKSUM+1
|
||
iny
|
||
dex
|
||
bne .2
|
||
|
||
ldy #S.IP.HDR.CHECKSUM
|
||
lda IP.CHECKSUM
|
||
adc #0
|
||
eor #$FF
|
||
sta (ZPFrameOutPtr),y
|
||
iny
|
||
lda IP.CHECKSUM+1
|
||
adc #0
|
||
eor #$FF
|
||
sta (ZPFrameOutPtr),y
|
||
|
||
.21 ldy #S.IP.PROTOCOL
|
||
lda (ZPFrameOutPtr),y
|
||
cmp #S.IP.PROTOCOL.TCP
|
||
bne .3
|
||
|
||
jsr IP.ComputeTCPChecksum
|
||
bra .5
|
||
|
||
.3 cmp #S.IP.PROTOCOL.UDP
|
||
bne .4
|
||
|
||
lda ZPFrameOutLen
|
||
sec
|
||
sbc #S.IP
|
||
ldy #S.UDP.LENGTH+1
|
||
sta (ZPFrameOutPtr),y
|
||
lda ZPFrameOutLen+1
|
||
sbc /S.IP
|
||
dey
|
||
sta (ZPFrameOutPtr),y
|
||
jsr IP.ComputeUDPChecksum
|
||
bra .5
|
||
|
||
.4 cmp #S.IP.PROTOCOL.ICMP
|
||
bne .5
|
||
|
||
jsr IP.ComputeICMPChecksum
|
||
|
||
.5 lda IPCFG+S.NETCFG.DevFlags
|
||
and #S.DCB.NIC.FLAGS.ARPOFFLOAD
|
||
bne .6
|
||
|
||
jsr IP.SetDestMAC
|
||
bcs FRM.Queue
|
||
|
||
.6 jsr FRM.Send
|
||
bcs FRM.Queue
|
||
|
||
jsr FRM.Discard
|
||
|
||
plp
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
FRM.Queue plp
|
||
bcs FRM.Discard DONT queue
|
||
|
||
ldy hFrameOut no hFrame, cannot queue for retry
|
||
beq FRM.Discard.9
|
||
|
||
ldx FRM.QUEUE.Head
|
||
inx
|
||
cpx #K.FRMQUEUE.SIZE
|
||
bne .1
|
||
|
||
ldx #0
|
||
|
||
.1 cpx FRM.QUEUE.Tail
|
||
beq FRM.Discard CS
|
||
ldy FRM.QUEUE.Head
|
||
stx FRM.QUEUE.Head
|
||
|
||
sta FRM.QUEUE.State,y
|
||
lda #K.FRMSEND.RETRY
|
||
sta FRM.QUEUE.Retry,y
|
||
lda hFrameOut
|
||
sta FRM.QUEUE.hMem,y
|
||
lda ZPFrameOutLen
|
||
sta FRM.QUEUE.LenL,y
|
||
lda ZPFrameOutLen+1
|
||
sta FRM.QUEUE.LenH,y
|
||
clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
FRM.Discard lda hFrameOut
|
||
beq FRM.Discard.9
|
||
|
||
stz hFrameOut
|
||
>SYSCALL2 FreeMem
|
||
|
||
FRM.Discard.9 sec
|
||
rts
|
||
*--------------------------------------
|
||
FRM.Retry ldx FRM.QUEUE.Tail
|
||
|
||
.1 cpx FRM.QUEUE.Head
|
||
beq .8 Queue is empty, exit...
|
||
|
||
lda FRM.QUEUE.LenL,x
|
||
sta ZPFrameOutLen
|
||
lda FRM.QUEUE.LenH,x
|
||
sta ZPFrameOutLen+1
|
||
|
||
lda FRM.QUEUE.hMem,x
|
||
>SYSCALL2 GetMemPtr
|
||
>STYA ZPFrameOutPtr
|
||
ldx FRM.QUEUE.Tail
|
||
lda FRM.QUEUE.State,x
|
||
cmp #ERR.ARP.PENDING
|
||
bne .2
|
||
|
||
jsr IP.SetDestMAC Err is ARP or higher, retry getting MAC
|
||
bcs .3 still error getting dest MAC
|
||
|
||
.2 jsr FRM.Send try sending again to DRV
|
||
bcc .4
|
||
|
||
.3 ldx FRM.QUEUE.Tail
|
||
sta FRM.QUEUE.State,x save error...
|
||
dec FRM.QUEUE.Retry,x
|
||
bne .8 exit....until next run!
|
||
|
||
.4 ldx FRM.QUEUE.Tail
|
||
lda FRM.QUEUE.hMem,x Success,or max retry, discard entry
|
||
inx
|
||
cpx #K.FRMQUEUE.SIZE
|
||
bne .5
|
||
|
||
ldx #0
|
||
.5 stx FRM.QUEUE.Tail
|
||
>SYSCALL2 FreeMem
|
||
bra FRM.Retry
|
||
|
||
.8 rts
|
||
*--------------------------------------
|
||
FRM.Send ldx #3
|
||
|
||
.1 lda ZPFrameOutPtr,x Get Frame Ptr & Len
|
||
sta IOCTL+S.IOCTL.BUFPTR,x
|
||
dex
|
||
bpl .1
|
||
|
||
FRM.Send.IOCTL >PUSHB IPCFG+S.NETCFG.DevID
|
||
>PUSHBI IOCTL.WRITE
|
||
>PUSHW L.IOCTL
|
||
>SYSCALL2 IOCTL
|
||
rts
|
||
*--------------------------------------
|
||
FRM.DiscardIn lda hFrameIn
|
||
beq .8
|
||
|
||
stz hFrameIn
|
||
|
||
>SYSCALL2 FreeMem
|
||
|
||
.8 clc
|
||
rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE usr/src/lib/libtcpip.s.frm
|
||
LOAD usr/src/lib/libtcpip.s
|
||
ASM
|