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On a Dlink DFE580-TX (DL-1002), attempting to transmit packets while the link 

is down cause the chip to create an IE_UpdateStats condition which can't be
cleared, causing the driver to enter an interrupt loop.
Workaround: mask IE_UpdateStats
This commit is contained in:
bouyer 2002-06-01 17:20:13 +00:00
parent 0707a91ae6
commit 208589bfca
1 changed files with 13 additions and 2 deletions
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15
sys/dev/pci/if_ste.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_ste.c,v 1.7 2001/11/13 07:48:44 lukem Exp $ */
/* $NetBSD: if_ste.c,v 1.8 2002/06/01 17:20:13 bouyer Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -42,7 +42,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ste.c,v 1.7 2001/11/13 07:48:44 lukem Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_ste.c,v 1.8 2002/06/01 17:20:13 bouyer Exp $");
#include "bpfilter.h"
@ -1263,8 +1263,19 @@ ste_init(struct ifnet *ifp)
/*
* Initialize the interrupt mask.
*/
# if 0
sc->sc_IntEnable = IE_HostError | IE_TxComplete | IE_UpdateStats |
IE_TxDMAComplete | IE_RxDMAComplete;
#else
/*
* On a Dlink DFE580-TX (DL-1002), attempting to transmit packets
* while the link is down cause the chip to create an IE_UpdateStats
* condition which can't be cleared, causing the driver to enter
* an interrupt loop. workaround: mask IE_UpdateStats
*/
sc->sc_IntEnable = IE_HostError | IE_TxComplete | /*IE_UpdateStats |*/
IE_TxDMAComplete | IE_RxDMAComplete;
#endif
bus_space_write_2(st, sh, STE_IntStatus, 0xffff);
bus_space_write_2(st, sh, STE_IntEnable, sc->sc_IntEnable);