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Do not reject frames with a length exactly equal to the uIP bufer size.

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This commit is contained in:
Oliver Schmidt 2013-01-30 23:39:01 +01:00
parent e88997b71c
commit 74dfff972f
2 changed files with 39 additions and 39 deletions
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18
cpu/6502/net/cs8900a.S
View file

@ -243,16 +243,16 @@ fixup29:lda rxtxreg
bne :+
inc cnt+1
; Is cnt > bufsize ?
; Is bufsize < cnt ?
: sec
lda cnt
sbc bufsize
lda cnt+1
sbc bufsize+1
bcc :+
lda bufsize
sbc cnt
lda bufsize+1
sbc cnt+1
bcs :+
; Yes, skip frame
; PACKETPP = $0102, PPDATA = PPDATA | $0040
; PACKETPP = $0102, PPDATA = PPDATA | $0040
lda #$02
ldx #$01
fixup30:sta packetpp
@ -272,7 +272,7 @@ fixup33:sta ppdata
sta ptr
stx ptr+1
ldx cnt+1
ldy #$00
ldy #$00
read:
fixup34:lda rxtxreg
sta (ptr),y
@ -330,7 +330,7 @@ fixup42:lda ppdata+1
bne :+
; No space avaliable, skip a received frame
; PACKETPP = $0102, PPDATA = PPDATA | $0040
; PACKETPP = $0102, PPDATA = PPDATA | $0040
lda #$02
ldx #$01
fixup43:sta packetpp

20
cpu/6502/net/lan91c96.S
View file

@ -262,13 +262,13 @@ fixup24:lda ethdata
sbc #$00
sta len+1
; Is len > bufsize ?
; Is bufsize < len ?
sec
lda len
sbc bufsize
lda len+1
sbc bufsize+1
bcc :+
lda bufsize
sbc len
lda bufsize+1
sbc len+1
bcs :+
; Yes, skip packet
; Remove and release RX packet from the FIFO
@ -285,8 +285,8 @@ fixup25:sta ethmmucr
ldx bufaddr+1
sta ptr
stx ptr+1
ldx len+1
ldy #$00
ldx len+1
ldy #$00
read:
fixup26:lda ethdata
sta (ptr),y
@ -395,8 +395,8 @@ fixup39:sta ethdata
bcc :+
; Yes
lda #%00100000 ; ODD
bne :++ ; Always
lda #%00100000 ; ODD
bne :++ ; Always
; No
: lda #$00