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ixl(4): skip getting link status if the last command is running

This commit is contained in:
yamaguchi 2023-10-11 04:24:24 +00:00
parent a83882d76d
commit 4ed87050af
1 changed files with 9 additions and 2 deletions
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11
sys/dev/pci/if_ixl.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_ixl.c,v 1.89 2023/03/26 19:10:33 andvar Exp $ */
/* $NetBSD: if_ixl.c,v 1.90 2023/10/11 04:24:24 yamaguchi Exp $ */
/*
* Copyright (c) 2013-2015, Intel Corporation
@ -74,7 +74,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ixl.c,v 1.89 2023/03/26 19:10:33 andvar Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_ixl.c,v 1.90 2023/10/11 04:24:24 yamaguchi Exp $");
#ifdef _KERNEL_OPT
#include "opt_net_mpsafe.h"
@ -446,6 +446,7 @@ struct ixl_atq {
struct ixl_aq_desc iatq_desc;
void (*iatq_fn)(struct ixl_softc *,
const struct ixl_aq_desc *);
bool iatq_inuse;
};
SIMPLEQ_HEAD(ixl_atq_list, ixl_atq);
@ -3604,6 +3605,9 @@ ixl_get_link_status(void *xsc)
mutex_enter(&sc->sc_atq_lock);
if (sc->sc_link_state_atq.iatq_inuse)
goto done;
iaq = &sc->sc_link_state_atq.iatq_desc;
memset(iaq, 0, sizeof(*iaq));
iaq->iaq_opcode = htole16(IXL_AQ_OP_PHY_LINK_STATUS);
@ -3617,6 +3621,7 @@ ixl_get_link_status(void *xsc)
ixl_get_link_status_done(sc, iaq);
}
done:
mutex_exit(&sc->sc_atq_lock);
}
@ -3766,6 +3771,7 @@ ixl_atq_post_locked(struct ixl_softc *sc, struct ixl_atq *iatq)
sc->sc_atq_prod = prod_next;
ixl_wr(sc, sc->sc_aq_regs->atq_tail, sc->sc_atq_prod);
iatq->iatq_inuse = true;
return 0;
}
@ -3799,6 +3805,7 @@ ixl_atq_done_locked(struct ixl_softc *sc)
iatq = (struct ixl_atq *)((intptr_t)slot->iaq_cookie);
iatq->iatq_desc = *slot;
iatq->iatq_inuse = false;
memset(slot, 0, sizeof(*slot));