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From OpenBSD hifn7751.c revision 1.149: enable the command-wait interrupt

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even if there's only one request in the queue.  Sometimes we seem to miss
multiple interrupts, and command-wait saves us.
This commit is contained in:
tls 2005-10-15 04:31:20 +00:00
parent 387175fffe
commit 15cb9441e1
1 changed files with 10 additions and 2 deletions
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12
sys/dev/pci/hifn7751.c
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@ -1,4 +1,4 @@
/* $NetBSD: hifn7751.c,v 1.23 2005/06/28 00:28:42 thorpej Exp $ */
/* $NetBSD: hifn7751.c,v 1.24 2005/10/15 04:31:20 tls Exp $ */
/* $FreeBSD: hifn7751.c,v 1.5.2.7 2003/10/08 23:52:00 sam Exp $ */
/* $OpenBSD: hifn7751.c,v 1.140 2003/08/01 17:55:54 deraadt Exp $ */
@ -48,7 +48,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: hifn7751.c,v 1.23 2005/06/28 00:28:42 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: hifn7751.c,v 1.24 2005/10/15 04:31:20 tls Exp $");
#include "rnd.h"
#include "opencrypto.h"
@ -1702,11 +1702,19 @@ hifn_crypto(struct hifn_softc *sc, struct hifn_command *cmd,
* We don't worry about missing an interrupt (which a "command wait"
* interrupt salvages us from), unless there is more than one command
* in the queue.
*
* XXX We do seem to miss some interrupts. So we always enable
* XXX command wait. From OpenBSD revision 1.149.
*
*/
#if 0
if (dma->cmdu > 1) {
#endif
sc->sc_dmaier |= HIFN_DMAIER_C_WAIT;
WRITE_REG_1(sc, HIFN_1_DMA_IER, sc->sc_dmaier);
#if 0
}
#endif
hifnstats.hst_ipackets++;
hifnstats.hst_ibytes += cmd->src_map->dm_mapsize;