s390: free skbs in finite amount of time in qeth
Free sent skbs in some finite amount of time. Affected are asynchronous queue of Hipersockets devices and the output queues of all eth-devices respectively. Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>wifi-calibration
Ursula Braun
Jeff Garzik
parent
a4c48a2691
commit
1f8bdae9ef
|
|
@ -996,18 +996,25 @@ __qdio_outbound_processing(struct qdio_q *q)
|
|||
if (qdio_has_outbound_q_moved(q))
|
||||
qdio_kick_outbound_handler(q);
|
||||
|
||||
if (q->is_iqdio_q) {
|
||||
if (q->queue_type == QDIO_ZFCP_QFMT) {
|
||||
if ((!q->hydra_gives_outbound_pcis) &&
|
||||
(!qdio_is_outbound_q_done(q)))
|
||||
qdio_mark_q(q);
|
||||
}
|
||||
else if (((!q->is_iqdio_q) && (!q->is_pci_out)) ||
|
||||
(q->queue_type == QDIO_IQDIO_QFMT_ASYNCH)) {
|
||||
/*
|
||||
* for asynchronous queues, we better check, if the sent
|
||||
* buffer is already switched from PRIMED to EMPTY.
|
||||
* make sure buffer switch from PRIMED to EMPTY is noticed
|
||||
* and outbound_handler is called
|
||||
*/
|
||||
if ((q->queue_type == QDIO_IQDIO_QFMT_ASYNCH) &&
|
||||
!qdio_is_outbound_q_done(q))
|
||||
qdio_mark_q(q);
|
||||
|
||||
} else if (!q->hydra_gives_outbound_pcis)
|
||||
if (!qdio_is_outbound_q_done(q))
|
||||
qdio_mark_q(q);
|
||||
if (qdio_is_outbound_q_done(q)) {
|
||||
del_timer(&q->timer);
|
||||
} else {
|
||||
if (!timer_pending(&q->timer))
|
||||
mod_timer(&q->timer, jiffies +
|
||||
QDIO_FORCE_CHECK_TIMEOUT);
|
||||
}
|
||||
}
|
||||
|
||||
qdio_release_q(q);
|
||||
}
|
||||
|
|
@ -1826,6 +1833,7 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev,
|
|||
q->queue_type = QDIO_IQDIO_QFMT_ASYNCH;
|
||||
q->int_parm=int_parm;
|
||||
q->is_input_q=0;
|
||||
q->is_pci_out = 0;
|
||||
q->schid = irq_ptr->schid;
|
||||
q->cdev = cdev;
|
||||
q->irq_ptr = irq_ptr;
|
||||
|
|
@ -1838,6 +1846,10 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev,
|
|||
q->tasklet.data=(unsigned long)q;
|
||||
q->tasklet.func=(void(*)(unsigned long))
|
||||
&qdio_outbound_processing;
|
||||
q->timer.function=(void(*)(unsigned long))
|
||||
&qdio_outbound_processing;
|
||||
q->timer.data = (long)q;
|
||||
init_timer(&q->timer);
|
||||
|
||||
atomic_set(&q->busy_siga_counter,0);
|
||||
q->timing.busy_start=0;
|
||||
|
|
@ -2635,6 +2647,7 @@ qdio_shutdown(struct ccw_device *cdev, int how)
|
|||
|
||||
for (i=0;i<irq_ptr->no_output_qs;i++) {
|
||||
tasklet_kill(&irq_ptr->output_qs[i]->tasklet);
|
||||
del_timer(&irq_ptr->output_qs[i]->timer);
|
||||
wait_event_interruptible_timeout(cdev->private->wait_q,
|
||||
!atomic_read(&irq_ptr->
|
||||
output_qs[i]->
|
||||
|
|
@ -3458,6 +3471,10 @@ do_qdio_handle_outbound(struct qdio_q *q, unsigned int callflags,
|
|||
qdio_perf_stat_inc(&perf_stats.outbound_cnt);
|
||||
return;
|
||||
}
|
||||
if (callflags & QDIO_FLAG_PCI_OUT)
|
||||
q->is_pci_out = 1;
|
||||
else
|
||||
q->is_pci_out = 0;
|
||||
if (q->is_iqdio_q) {
|
||||
/* one siga for every sbal */
|
||||
while (count--)
|
||||
|
|
|
|||
|
|
@ -60,6 +60,7 @@
|
|||
#define QDIO_ACTIVATE_TIMEOUT ((5*HZ)>>10)
|
||||
#define QDIO_CLEANUP_CLEAR_TIMEOUT (20*HZ)
|
||||
#define QDIO_CLEANUP_HALT_TIMEOUT (10*HZ)
|
||||
#define QDIO_FORCE_CHECK_TIMEOUT (10*HZ)
|
||||
|
||||
enum qdio_irq_states {
|
||||
QDIO_IRQ_STATE_INACTIVE,
|
||||
|
|
@ -511,8 +512,8 @@ struct qdio_q {
|
|||
|
||||
void *irq_ptr;
|
||||
|
||||
#ifdef QDIO_USE_TIMERS_FOR_POLLING
|
||||
struct timer_list timer;
|
||||
#ifdef QDIO_USE_TIMERS_FOR_POLLING
|
||||
atomic_t timer_already_set;
|
||||
spinlock_t timer_lock;
|
||||
#else /* QDIO_USE_TIMERS_FOR_POLLING */
|
||||
|
|
@ -558,6 +559,7 @@ struct qdio_q {
|
|||
} timing;
|
||||
atomic_t busy_siga_counter;
|
||||
unsigned int queue_type;
|
||||
unsigned int is_pci_out;
|
||||
|
||||
/* leave this member at the end. won't be cleared in qdio_fill_qs */
|
||||
struct slib *slib; /* a page is allocated under this pointer,
|
||||
|
|
|
|||
|
|
@ -2816,6 +2816,7 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
|
|||
struct qeth_qdio_out_buffer *buf;
|
||||
int rc;
|
||||
int i;
|
||||
unsigned int qdio_flags;
|
||||
|
||||
QETH_DBF_TEXT(trace, 6, "flushbuf");
|
||||
|
||||
|
|
@ -2859,13 +2860,13 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
|
|||
queue->card->perf_stats.outbound_do_qdio_start_time =
|
||||
qeth_get_micros();
|
||||
}
|
||||
qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
|
||||
if (under_int)
|
||||
rc = do_QDIO(CARD_DDEV(queue->card),
|
||||
QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
|
||||
queue->queue_no, index, count, NULL);
|
||||
else
|
||||
rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
|
||||
queue->queue_no, index, count, NULL);
|
||||
qdio_flags |= QDIO_FLAG_UNDER_INTERRUPT;
|
||||
if (atomic_read(&queue->set_pci_flags_count))
|
||||
qdio_flags |= QDIO_FLAG_PCI_OUT;
|
||||
rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags,
|
||||
queue->queue_no, index, count, NULL);
|
||||
if (queue->card->options.performance_stats)
|
||||
queue->card->perf_stats.outbound_do_qdio_time +=
|
||||
qeth_get_micros() -
|
||||
|
|
@ -8498,6 +8499,7 @@ __qeth_reboot_event_card(struct device *dev, void *data)
|
|||
card = (struct qeth_card *) dev->driver_data;
|
||||
qeth_clear_ip_list(card, 0, 0);
|
||||
qeth_qdio_clear_card(card, 0);
|
||||
qeth_clear_qdio_buffers(card);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -120,6 +120,7 @@ extern unsigned long qdio_get_status(int irq);
|
|||
#define QDIO_FLAG_NO_INPUT_INTERRUPT_CONTEXT 0x08 /* no effect on
|
||||
adapter interrupts */
|
||||
#define QDIO_FLAG_DONT_SIGA 0x10
|
||||
#define QDIO_FLAG_PCI_OUT 0x20
|
||||
|
||||
extern int do_QDIO(struct ccw_device*, unsigned int flags,
|
||||
unsigned int queue_number,
|
||||
|
|
|
|||
Loading…
Reference in New Issue