Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ASIX AX88796 is an NE2000 compatible ethernet chip, but doesn't seem to

Browse Source 
have "remote DMA complete bit" is ISR.  So, don't wait for ISR.RDC bit
after writing a packet.
This commit is contained in:
bsh 2005-02-26 10:29:20 +00:00
parent b42e2b64d1
commit 987bbd3089
2 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/dev/ic/dp8390var.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: dp8390var.h,v 1.25 2005/02/04 02:10:36 perry Exp $ */
/* $NetBSD: dp8390var.h,v 1.26 2005/02/26 10:29:20 bsh Exp $ */
/*
* Device driver for National Semiconductor DS8390/WD83C690 based ethernet
@ -142,6 +142,12 @@ struct dp8390_softc {
#define DP8390_ATTACHED 0x0040 /* attach has succeeded */
/*
* ASIX AX88796 doesn't have remote DMA conmplete bit in ISR, so don't
* check ISR.RDC
*/
#define DP8390_NO_REMOTE_DMA_COMPLETE 0x0080
/*
* NIC register access macros
*/

8
sys/dev/ic/ne2000.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ne2000.c,v 1.45 2005/02/04 02:10:36 perry Exp $ */
/* $NetBSD: ne2000.c,v 1.46 2005/02/26 10:29:20 bsh Exp $ */
/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
@ -55,7 +55,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ne2000.c,v 1.45 2005/02/04 02:10:36 perry Exp $");
__KERNEL_RCSID(0, "$NetBSD: ne2000.c,v 1.46 2005/02/26 10:29:20 bsh Exp $");
#include "opt_ipkdb.h"
@ -624,6 +624,10 @@ ne2000_write_mbuf(sc, m, buf)
}
NIC_BARRIER(nict, nich);
/* AX88796 doesn't seem to have remote DMA complete */
if (sc->sc_flags & DP8390_NO_REMOTE_DMA_COMPLETE)
return(savelen);
/*
* Wait for remote DMA to complete. This is necessary because on the
* transmit side, data is handled internally by the NIC in bursts, and