Ejemplos de dhd_os_spin_lock_init en C++ (Cpp)

Ejemplo n.º 1

Archivo: dhd_flowring.c Proyecto: FrozenCow/FIRE-ICE

void /* Initialize a flow ring's queue */
dhd_flow_queue_init(dhd_pub_t *dhdp, flow_queue_t *queue, int max)
{
	ASSERT((queue != NULL) && (max > 0));

	dll_init(&queue->list);
	queue->head = queue->tail = NULL;
	queue->len = 0;
	queue->max = max - 1;
	queue->failures = 0U;
	queue->cb = &dhd_flow_queue_overflow;
	queue->lock = dhd_os_spin_lock_init(dhdp->osh);

	if (queue->lock == NULL)
		DHD_ERROR(("%s: Failed to init spinlock for queue!\n", __FUNCTION__));
}

Ejemplo n.º 2

Archivo: dhd_flowring.c Proyecto: GREYFOXRGR/BPI-M3-bsp

/* Init Flow Ring specific data structures */
int
dhd_flow_rings_init(dhd_pub_t *dhdp, uint32 num_flow_rings)
{
	uint32 idx;
	uint32 flow_ring_table_sz;
	uint32 if_flow_lkup_sz;
	void * flowid_allocator;
	flow_ring_table_t *flow_ring_table;
	if_flow_lkup_t *if_flow_lkup = NULL;
#ifdef PCIE_TX_DEFERRAL
	uint32 count;
#endif
	void *lock = NULL;
	unsigned long flags;

	DHD_INFO(("%s\n", __FUNCTION__));

	/* Construct a 16bit flow1d allocator */
	flowid_allocator = id16_map_init(dhdp->osh,
	                       num_flow_rings - FLOW_RING_COMMON, FLOWID_RESERVED);
	if (flowid_allocator == NULL) {
		DHD_ERROR(("%s: flowid allocator init failure\n", __FUNCTION__));
		return BCME_NOMEM;
	}

	/* Allocate a flow ring table, comprising of requested number of rings */
	flow_ring_table_sz = (num_flow_rings * sizeof(flow_ring_node_t));
	flow_ring_table = (flow_ring_table_t *)MALLOC(dhdp->osh, flow_ring_table_sz);
	if (flow_ring_table == NULL) {
		DHD_ERROR(("%s: flow ring table alloc failure\n", __FUNCTION__));
		goto fail;
	}

	/* Initialize flow ring table state */
	bzero((uchar *)flow_ring_table, flow_ring_table_sz);
	for (idx = 0; idx < num_flow_rings; idx++) {
		flow_ring_table[idx].status = FLOW_RING_STATUS_CLOSED;
		flow_ring_table[idx].flowid = (uint16)idx;
		flow_ring_table[idx].lock = dhd_os_spin_lock_init(dhdp->osh);
		if (flow_ring_table[idx].lock == NULL) {
			DHD_ERROR(("%s: Failed to init spinlock for queue!\n", __FUNCTION__));
			goto fail;
		}

		dll_init(&flow_ring_table[idx].list);

		/* Initialize the per flow ring backup queue */
		dhd_flow_queue_init(dhdp, &flow_ring_table[idx].queue,
		                    FLOW_RING_QUEUE_THRESHOLD);
	}

	/* Allocate per interface hash table */
	if_flow_lkup_sz = sizeof(if_flow_lkup_t) * DHD_MAX_IFS;
	if_flow_lkup = (if_flow_lkup_t *)DHD_OS_PREALLOC(dhdp,
		DHD_PREALLOC_IF_FLOW_LKUP, if_flow_lkup_sz);
	if (if_flow_lkup == NULL) {
		DHD_ERROR(("%s: if flow lkup alloc failure\n", __FUNCTION__));
		goto fail;
	}

	/* Initialize per interface hash table */
	bzero((uchar *)if_flow_lkup, if_flow_lkup_sz);
	for (idx = 0; idx < DHD_MAX_IFS; idx++) {
		int hash_ix;
		if_flow_lkup[idx].status = 0;
		if_flow_lkup[idx].role = 0;
		for (hash_ix = 0; hash_ix < DHD_FLOWRING_HASH_SIZE; hash_ix++)
			if_flow_lkup[idx].fl_hash[hash_ix] = NULL;
	}

#ifdef PCIE_TX_DEFERRAL
	count = BITS_TO_LONGS(num_flow_rings);
	dhdp->bus->delete_flow_map = kzalloc(count, GFP_ATOMIC);
	if  (!dhdp->bus->delete_flow_map) {
		DHD_ERROR(("%s: delete_flow_map alloc failure\n", __FUNCTION__));
		goto fail;
	}
#endif

	lock = dhd_os_spin_lock_init(dhdp->osh);
	if (lock == NULL)
		goto fail;

	dhdp->flow_prio_map_type = DHD_FLOW_PRIO_AC_MAP;
	bcopy(prio2ac, dhdp->flow_prio_map, sizeof(uint8) * NUMPRIO);

	/* Now populate into dhd pub */
	DHD_FLOWID_LOCK(lock, flags);
	dhdp->num_flow_rings = num_flow_rings;
	dhdp->flowid_allocator = (void *)flowid_allocator;
	dhdp->flow_ring_table = (void *)flow_ring_table;
	dhdp->if_flow_lkup = (void *)if_flow_lkup;
	dhdp->flowid_lock = lock;
	DHD_FLOWID_UNLOCK(lock, flags);

	DHD_INFO(("%s done\n", __FUNCTION__));
	return BCME_OK;

fail:

#ifdef PCIE_TX_DEFERRAL
	if (dhdp->bus->delete_flow_map)
		kfree(dhdp->bus->delete_flow_map);
#endif
	/* Destruct the per interface flow lkup table */
	if (dhdp->if_flow_lkup != NULL) {
		DHD_OS_PREFREE(dhdp, if_flow_lkup, if_flow_lkup_sz);
	}
	if (flow_ring_table != NULL) {
		for (idx = 0; idx < num_flow_rings; idx++) {
			if (flow_ring_table[idx].lock != NULL)
				dhd_os_spin_lock_deinit(dhdp->osh, flow_ring_table[idx].lock);
		}
		MFREE(dhdp->osh, flow_ring_table, flow_ring_table_sz);
	}
	id16_map_fini(dhdp->osh, flowid_allocator);

	return BCME_NOMEM;
}