Author: arybchik
Date: Wed Feb 18 06:21:59 2015
New Revision: 278940
URL: https://svnweb.freebsd.org/changeset/base/278940
Log:
sfxge: add driver context member with number of event queues
Mainly to unify with similar member for transmit and receive queues.
It will be used in the future for resources allocation processing.
Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)
Modified:
head/sys/dev/sfxge/sfxge.h
head/sys/dev/sfxge/sfxge_ev.c
Modified: head/sys/dev/sfxge/sfxge.h
==============================================================================
--- head/sys/dev/sfxge/sfxge.h Wed Feb 18 06:20:59 2015 (r278939)
+++ head/sys/dev/sfxge/sfxge.h Wed Feb 18 06:21:59 2015 (r278940)
@@ -260,6 +260,7 @@ struct sfxge_softc {
char tx_lock_name[SFXGE_LOCK_NAME_MAX];
#endif
+ unsigned int evq_count;
unsigned int rxq_count;
unsigned int txq_count;
};
Modified: head/sys/dev/sfxge/sfxge_ev.c
==============================================================================
--- head/sys/dev/sfxge/sfxge_ev.c Wed Feb 18 06:20:59 2015
(r278939)
+++ head/sys/dev/sfxge/sfxge_ev.c Wed Feb 18 06:21:59 2015
(r278940)
@@ -427,7 +427,7 @@ sfxge_ev_stat_update(struct sfxge_softc
sc->ev_stats_update_time = now;
/* Add event counts from each event queue in turn */
- for (index = 0; index < sc->intr.n_alloc; index++) {
+ for (index = 0; index < sc->evq_count; index++) {
evq = sc->evq[index];
SFXGE_EVQ_LOCK(evq);
efx_ev_qstats_update(evq->common, sc->ev_stats);
@@ -493,7 +493,7 @@ sfxge_int_mod_handler(SYSCTL_HANDLER_ARG
struct sfxge_intr *intr = &sc->intr;
unsigned int moderation;
int error;
- int index;
+ unsigned int index;
SFXGE_ADAPTER_LOCK(sc);
@@ -513,7 +513,7 @@ sfxge_int_mod_handler(SYSCTL_HANDLER_ARG
sc->ev_moderation = moderation;
if (intr->state == SFXGE_INTR_STARTED) {
- for (index = 0; index < intr->n_alloc; index++)
+ for (index = 0; index < sc->evq_count; index++)
sfxge_ev_qmoderate(sc, index, moderation);
}
} else {
@@ -727,7 +727,7 @@ sfxge_ev_stop(struct sfxge_softc *sc)
("Interrupts not started"));
/* Stop the event queue(s) */
- index = intr->n_alloc;
+ index = sc->evq_count;
while (--index >= 0)
sfxge_ev_qstop(sc, index);
@@ -752,7 +752,7 @@ sfxge_ev_start(struct sfxge_softc *sc)
return (rc);
/* Start the event queues */
- for (index = 0; index < intr->n_alloc; index++) {
+ for (index = 0; index < sc->evq_count; index++) {
if ((rc = sfxge_ev_qstart(sc, index)) != 0)
goto fail;
}
@@ -853,9 +853,11 @@ sfxge_ev_fini(struct sfxge_softc *sc)
sc->ev_moderation = 0;
/* Tear down the event queue(s). */
- index = intr->n_alloc;
+ index = sc->evq_count;
while (--index >= 0)
sfxge_ev_qfini(sc, index);
+
+ sc->evq_count = 0;
}
int
@@ -869,6 +871,8 @@ sfxge_ev_init(struct sfxge_softc *sc)
intr = &sc->intr;
+ sc->evq_count = intr->n_alloc;
+
KASSERT(intr->state == SFXGE_INTR_INITIALIZED,
("intr->state != SFXGE_INTR_INITIALIZED"));
@@ -884,7 +888,7 @@ sfxge_ev_init(struct sfxge_softc *sc)
/*
* Initialize the event queue(s) - one per interrupt.
*/
- for (index = 0; index < intr->n_alloc; index++) {
+ for (index = 0; index < sc->evq_count; index++) {
if ((rc = sfxge_ev_qinit(sc, index)) != 0)
goto fail;
}
@@ -899,5 +903,6 @@ fail:
while (--index >= 0)
sfxge_ev_qfini(sc, index);
+ sc->evq_count = 0;
return (rc);
}
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