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On FIBRE devices, there are times when linkstat interrupt doesn't occur?

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reported from Andrius V. thanks.

- use polling instead of linkstat interrupt when FIBRE
- add AQ_FORCE_POLL_LINKSTAT options (not by default)
This commit is contained in:
ryo 2020-04-23 06:27:21 +00:00
parent 4efd5405d6
commit db2d1ff4ea
1 changed files with 10 additions and 2 deletions
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12
sys/dev/pci/if_aq.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_aq.c,v 1.12 2020/04/22 22:54:43 christos Exp $ */
/* $NetBSD: if_aq.c,v 1.13 2020/04/23 06:27:21 ryo Exp $ */
/**
* aQuantia Corporation Network Driver
@ -62,7 +62,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_aq.c,v 1.12 2020/04/22 22:54:43 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_aq.c,v 1.13 2020/04/23 06:27:21 ryo Exp $");
#ifdef _KERNEL_OPT
#include "opt_if_aq.h"
@ -1310,6 +1310,14 @@ aq_attach(device_t parent, device_t self, void *aux)
sc->sc_msix = false;
}
/* XXX: on FIBRE, linkstat interrupt does not occur on boot? */
if (aqp->aq_media_type == AQ_MEDIA_TYPE_FIBRE)
sc->sc_poll_linkstat = true;
#ifdef AQ_FORCE_POLL_LINKSTAT
sc->sc_poll_linkstat = true;
#endif
aprint_debug_dev(sc->sc_dev,
"ncpu=%d, pci_msix_count=%d."
" allocate %d interrupts for %d%s queues%s\n",