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C++ B43_WARN_ON函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中B43_WARN_ON函数的典型用法代码示例。如果您正苦于以下问题：C++ B43_WARN_ON函数的具体用法？C++ B43_WARN_ON怎么用？C++ B43_WARN_ON使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了B43_WARN_ON函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: index_to_pioqueue_base

static u16 index_to_pioqueue_base(struct b43_wldev *dev,
				  unsigned int index)
{
	static const u16 bases[] = {
		B43_MMIO_PIO_BASE0,
		B43_MMIO_PIO_BASE1,
		B43_MMIO_PIO_BASE2,
		B43_MMIO_PIO_BASE3,
		B43_MMIO_PIO_BASE4,
		B43_MMIO_PIO_BASE5,
		B43_MMIO_PIO_BASE6,
		B43_MMIO_PIO_BASE7,
	};
	static const u16 bases_rev11[] = {
		B43_MMIO_PIO11_BASE0,
		B43_MMIO_PIO11_BASE1,
		B43_MMIO_PIO11_BASE2,
		B43_MMIO_PIO11_BASE3,
		B43_MMIO_PIO11_BASE4,
		B43_MMIO_PIO11_BASE5,
	};

	if (dev->dev->id.revision >= 11) {
		B43_WARN_ON(index >= ARRAY_SIZE(bases_rev11));
		return bases_rev11[index];
	}
	B43_WARN_ON(index >= ARRAY_SIZE(bases));
	return bases[index];
}
开发者ID:AdrianHuang，项目名称:uclinux-robutest，代码行数:29，代码来源:pio.c


示例2: b43_lcntab_write

void b43_lcntab_write(struct b43_wldev *dev, u32 offset, u32 value)
{
	u32 type;

	type = offset & B43_LCNTAB_TYPEMASK;
	offset &= 0xFFFF;

	switch (type) {
	case B43_LCNTAB_8BIT:
		B43_WARN_ON(value & ~0xFF);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, value);
		break;
	case B43_LCNTAB_16BIT:
		B43_WARN_ON(value & ~0xFFFF);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, value);
		break;
	case B43_LCNTAB_32BIT:
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_DATAHI, value >> 16);
		b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, value & 0xFFFF);
		break;
	default:
		B43_WARN_ON(1);
	}

	return;
}
开发者ID:020gzh，项目名称:linux，代码行数:29，代码来源:tables_phy_lcn.c


示例3: switch

static
struct b43_pio_txqueue *parse_cookie(struct b43_wldev *dev,
				     u16 cookie,
				      struct b43_pio_txpacket **pack)
{
	struct b43_pio *pio = &dev->pio;
	struct b43_pio_txqueue *q = NULL;
	unsigned int pack_index;

	switch (cookie & 0xF000) {
	case 0x1000:
		q = pio->tx_queue_AC_BK;
		break;
	case 0x2000:
		q = pio->tx_queue_AC_BE;
		break;
	case 0x3000:
		q = pio->tx_queue_AC_VI;
		break;
	case 0x4000:
		q = pio->tx_queue_AC_VO;
		break;
	case 0x5000:
		q = pio->tx_queue_mcast;
		break;
	}
	if (B43_WARN_ON(!q))
		return NULL;
	pack_index = (cookie & 0x0FFF);
	if (B43_WARN_ON(pack_index >= ARRAY_SIZE(q->packets)))
		return NULL;
	*pack = &q->packets[pack_index];

	return q;
}
开发者ID:AdrianHuang，项目名称:uclinux-robutest，代码行数:35，代码来源:pio.c


示例4: b43_dmacontroller_base

static u16 b43_dmacontroller_base(enum b43_dmatype type, int controller_idx)
{
	static const u16 map64[] = {
		B43_MMIO_DMA64_BASE0,
		B43_MMIO_DMA64_BASE1,
		B43_MMIO_DMA64_BASE2,
		B43_MMIO_DMA64_BASE3,
		B43_MMIO_DMA64_BASE4,
		B43_MMIO_DMA64_BASE5,
	};
	static const u16 map32[] = {
		B43_MMIO_DMA32_BASE0,
		B43_MMIO_DMA32_BASE1,
		B43_MMIO_DMA32_BASE2,
		B43_MMIO_DMA32_BASE3,
		B43_MMIO_DMA32_BASE4,
		B43_MMIO_DMA32_BASE5,
	};

	if (type == B43_DMA_64BIT) {
		B43_WARN_ON(!(controller_idx >= 0 &&
			      controller_idx < ARRAY_SIZE(map64)));
		return map64[controller_idx];
	}
	B43_WARN_ON(!(controller_idx >= 0 &&
		      controller_idx < ARRAY_SIZE(map32)));
	return map32[controller_idx];
}
开发者ID:EvolutionMod，项目名称:ath10-lenovo，代码行数:28，代码来源:dma.c


示例5: b43_lcntab_read

u32 b43_lcntab_read(struct b43_wldev *dev, u32 offset)
{
	u32 type, value;

	type = offset & B43_LCNTAB_TYPEMASK;
	offset &= ~B43_LCNTAB_TYPEMASK;
	B43_WARN_ON(offset > 0xFFFF);

	switch (type) {
	case B43_LCNTAB_8BIT:
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		value = b43_phy_read(dev, B43_PHY_LCN_TABLE_DATALO) & 0xFF;
		break;
	case B43_LCNTAB_16BIT:
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		value = b43_phy_read(dev, B43_PHY_LCN_TABLE_DATALO);
		break;
	case B43_LCNTAB_32BIT:
		b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, offset);
		value = b43_phy_read(dev, B43_PHY_LCN_TABLE_DATALO);
		value |= (b43_phy_read(dev, B43_PHY_LCN_TABLE_DATAHI) << 16);
		break;
	default:
		B43_WARN_ON(1);
		value = 0;
	}

	return value;
}
开发者ID:020gzh，项目名称:linux，代码行数:29，代码来源:tables_phy_lcn.c


示例6: lo_measure_feedthrough

static u16 lo_measure_feedthrough(struct b43_wldev *dev,
				  u16 lna, u16 pga, u16 trsw_rx)
{
	struct b43_phy *phy = &dev->phy;
	u16 rfover;
	u16 feedthrough;

	if (phy->gmode) {
		lna <<= B43_PHY_RFOVERVAL_LNA_SHIFT;
		pga <<= B43_PHY_RFOVERVAL_PGA_SHIFT;

		B43_WARN_ON(lna & ~B43_PHY_RFOVERVAL_LNA);
		B43_WARN_ON(pga & ~B43_PHY_RFOVERVAL_PGA);
/*FIXME This assertion fails		B43_WARN_ON(trsw_rx & ~(B43_PHY_RFOVERVAL_TRSWRX |
				    B43_PHY_RFOVERVAL_BW));
*/
		trsw_rx &= (B43_PHY_RFOVERVAL_TRSWRX | B43_PHY_RFOVERVAL_BW);

		/* Construct the RF Override Value */
		rfover = B43_PHY_RFOVERVAL_UNK;
		rfover |= pga;
		rfover |= lna;
		rfover |= trsw_rx;
		if ((dev->dev->bus->sprom.boardflags_lo & B43_BFL_EXTLNA)
		    && phy->rev > 6)
			rfover |= B43_PHY_RFOVERVAL_EXTLNA;

		b43_phy_write(dev, B43_PHY_PGACTL, 0xE300);
		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
		udelay(10);
		rfover |= B43_PHY_RFOVERVAL_BW_LBW;
		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
		udelay(10);
		rfover |= B43_PHY_RFOVERVAL_BW_LPF;
		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
		udelay(10);
		b43_phy_write(dev, B43_PHY_PGACTL, 0xF300);
	} else {
		pga |= B43_PHY_PGACTL_UNKNOWN;
		b43_phy_write(dev, B43_PHY_PGACTL, pga);
		udelay(10);
		pga |= B43_PHY_PGACTL_LOWBANDW;
		b43_phy_write(dev, B43_PHY_PGACTL, pga);
		udelay(10);
		pga |= B43_PHY_PGACTL_LPF;
		b43_phy_write(dev, B43_PHY_PGACTL, pga);
	}
	udelay(21);
	feedthrough = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);

	/* This is a good place to check if we need to relax a bit,
	 * as this is the main function called regularly
	 * in the LO calibration. */
	cond_resched();

	return feedthrough;
}
开发者ID:Tigrouzen，项目名称:k1099，代码行数:57，代码来源:lo.c


示例7: pio_tx_frame

static int pio_tx_frame(struct b43_pio_txqueue *q,
			struct sk_buff *skb)
{
	struct b43_wldev *dev = q->dev;
	struct b43_wl *wl = dev->wl;
	struct b43_pio_txpacket *pack;
	u16 cookie;
	int err;
	unsigned int hdrlen;
	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
	struct b43_txhdr *txhdr = (struct b43_txhdr *)wl->pio_scratchspace;

	B43_WARN_ON(list_empty(&q->packets_list));
	pack = list_entry(q->packets_list.next,
			  struct b43_pio_txpacket, list);

	cookie = generate_cookie(q, pack);
	hdrlen = b43_txhdr_size(dev);
	BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(struct b43_txhdr));
	B43_WARN_ON(sizeof(wl->pio_scratchspace) < hdrlen);
	err = b43_generate_txhdr(dev, (u8 *)txhdr, skb,
				 info, cookie);
	if (err)
		return err;

	if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
		/* Tell the firmware about the cookie of the last
		 * mcast frame, so it can clear the more-data bit in it. */
		b43_shm_write16(dev, B43_SHM_SHARED,
				B43_SHM_SH_MCASTCOOKIE, cookie);
	}

	pack->skb = skb;
	if (q->rev >= 8)
		pio_tx_frame_4byte_queue(pack, (const u8 *)txhdr, hdrlen);
	else
		pio_tx_frame_2byte_queue(pack, (const u8 *)txhdr, hdrlen);

	/* Remove it from the list of available packet slots.
	 * It will be put back when we receive the status report. */
	list_del(&pack->list);

	/* Update the queue statistics. */
	q->buffer_used += roundup(skb->len + hdrlen, 4);
	q->free_packet_slots -= 1;

	return 0;
}
开发者ID:AdrianHuang，项目名称:uclinux-robutest，代码行数:48，代码来源:pio.c


示例8: b43_pio_handle_txstatus

void b43_pio_handle_txstatus(struct b43_wldev *dev,
			     const struct b43_txstatus *status)
{
	struct b43_pio_txqueue *q;
	struct b43_pio_txpacket *pack = NULL;
	unsigned int total_len;
	struct ieee80211_tx_info *info;

	q = parse_cookie(dev, status->cookie, &pack);
	if (unlikely(!q))
		return;
	B43_WARN_ON(!pack);

	info = IEEE80211_SKB_CB(pack->skb);

	b43_fill_txstatus_report(dev, info, status);

	total_len = pack->skb->len + b43_txhdr_size(dev);
	total_len = roundup(total_len, 4);
	q->buffer_used -= total_len;
	q->free_packet_slots += 1;

	ieee80211_tx_status(dev->wl->hw, pack->skb);
	pack->skb = NULL;
	list_add(&pack->list, &q->packets_list);

	if (q->stopped) {
		ieee80211_wake_queue(dev->wl->hw, q->queue_prio);
		q->stopped = 0;
	}
}
开发者ID:AdrianHuang，项目名称:uclinux-robutest，代码行数:31，代码来源:pio.c


示例9: b43_phy_ht_op_software_rfkill

/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
static void b43_phy_ht_op_software_rfkill(struct b43_wldev *dev,
					bool blocked)
{
	if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
		b43err(dev->wl, "MAC not suspended\n");

	/* In the following PHY ops we copy wl's dummy behaviour.
	 * TODO: Find out if reads (currently hidden in masks/masksets) are
	 * needed and replace following ops with just writes or w&r.
	 * Note: B43_PHY_HT_RF_CTL1 register is tricky, wrong operation can
	 * cause delayed (!) machine lock up. */
	if (blocked) {
		b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
	} else {
		b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
		b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x1);
		b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
		b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x2);

		if (dev->phy.radio_ver == 0x2059)
			b43_radio_2059_init(dev);
		else
			B43_WARN_ON(1);

		b43_switch_channel(dev, dev->phy.channel);
	}
}
开发者ID:openube，项目名称:android_kernel_sony_c2305，代码行数:28，代码来源:phy_ht.c


示例10: free_all_descbuffers

static void free_all_descbuffers(struct b43_dmaring *ring)
{
	struct b43_dmadesc_meta *meta;
	int i;

	if (!ring->used_slots)
		return;
	for (i = 0; i < ring->nr_slots; i++) {
		/* get meta - ignore returned value */
		ring->ops->idx2desc(ring, i, &meta);

		if (!meta->skb || b43_dma_ptr_is_poisoned(meta->skb)) {
			B43_WARN_ON(!ring->tx);
			continue;
		}
		if (ring->tx) {
			unmap_descbuffer(ring, meta->dmaaddr,
					 meta->skb->len, 1);
		} else {
			unmap_descbuffer(ring, meta->dmaaddr,
					 ring->rx_buffersize, 0);
		}
		free_descriptor_buffer(ring, meta);
	}
}
开发者ID:EvolutionMod，项目名称:ath10-lenovo，代码行数:25，代码来源:dma.c


示例11: request_slot

/* Request a slot for usage. */
static inline int request_slot(struct b43_dmaring *ring)
{
	int slot;

	B43_WARN_ON(!ring->tx);
	B43_WARN_ON(ring->stopped);
	B43_WARN_ON(free_slots(ring) == 0);

	slot = next_slot(ring, ring->current_slot);
	ring->current_slot = slot;
	ring->used_slots++;

	update_max_used_slots(ring, ring->used_slots);

	return slot;
}
开发者ID:EvolutionMod，项目名称:ath10-lenovo，代码行数:17，代码来源:dma.c


示例12: op32_fill_descriptor

static void op32_fill_descriptor(struct b43_dmaring *ring,
				 struct b43_dmadesc_generic *desc,
				 dma_addr_t dmaaddr, u16 bufsize,
				 int start, int end, int irq)
{
	struct b43_dmadesc32 *descbase = ring->descbase;
	int slot;
	u32 ctl;
	u32 addr;
	u32 addrext;

	slot = (int)(&(desc->dma32) - descbase);
	B43_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));

	addr = b43_dma_address(&ring->dev->dma, dmaaddr, B43_DMA_ADDR_LOW);
	addrext = b43_dma_address(&ring->dev->dma, dmaaddr, B43_DMA_ADDR_EXT);

	ctl = bufsize & B43_DMA32_DCTL_BYTECNT;
	if (slot == ring->nr_slots - 1)
		ctl |= B43_DMA32_DCTL_DTABLEEND;
	if (start)
		ctl |= B43_DMA32_DCTL_FRAMESTART;
	if (end)
		ctl |= B43_DMA32_DCTL_FRAMEEND;
	if (irq)
		ctl |= B43_DMA32_DCTL_IRQ;
	ctl |= (addrext << B43_DMA32_DCTL_ADDREXT_SHIFT)
	    & B43_DMA32_DCTL_ADDREXT_MASK;

	desc->dma32.control = cpu_to_le32(ctl);
	desc->dma32.address = cpu_to_le32(addr);
}
开发者ID:EvolutionMod，项目名称:ath10-lenovo，代码行数:32，代码来源:dma.c


示例13: next_slot

static inline int next_slot(struct b43_dmaring *ring, int slot)
{
	B43_WARN_ON(!(slot >= -1 && slot <= ring->nr_slots - 1));
	if (slot == ring->nr_slots - 1)
		return 0;
	return slot + 1;
}
开发者ID:EvolutionMod，项目名称:ath10-lenovo，代码行数:7，代码来源:dma.c


示例14: prev_slot

static inline int prev_slot(struct b43_dmaring *ring, int slot)
{
	B43_WARN_ON(!(slot >= 0 && slot <= ring->nr_slots - 1));
	if (slot == 0)
		return ring->nr_slots - 1;
	return slot - 1;
}
开发者ID:EvolutionMod，项目名称:ath10-lenovo，代码行数:7，代码来源:dma.c


示例15: op64_fill_descriptor

static void op64_fill_descriptor(struct b43_dmaring *ring,
				 struct b43_dmadesc_generic *desc,
				 dma_addr_t dmaaddr, u16 bufsize,
				 int start, int end, int irq)
{
	struct b43_dmadesc64 *descbase = ring->descbase;
	int slot;
	u32 ctl0 = 0, ctl1 = 0;
	u32 addrlo, addrhi;
	u32 addrext;

	slot = (int)(&(desc->dma64) - descbase);
	B43_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));

	addrlo = b43_dma_address(&ring->dev->dma, dmaaddr, B43_DMA_ADDR_LOW);
	addrhi = b43_dma_address(&ring->dev->dma, dmaaddr, B43_DMA_ADDR_HIGH);
	addrext = b43_dma_address(&ring->dev->dma, dmaaddr, B43_DMA_ADDR_EXT);

	if (slot == ring->nr_slots - 1)
		ctl0 |= B43_DMA64_DCTL0_DTABLEEND;
	if (start)
		ctl0 |= B43_DMA64_DCTL0_FRAMESTART;
	if (end)
		ctl0 |= B43_DMA64_DCTL0_FRAMEEND;
	if (irq)
		ctl0 |= B43_DMA64_DCTL0_IRQ;
	ctl1 |= bufsize & B43_DMA64_DCTL1_BYTECNT;
	ctl1 |= (addrext << B43_DMA64_DCTL1_ADDREXT_SHIFT)
	    & B43_DMA64_DCTL1_ADDREXT_MASK;

	desc->dma64.control0 = cpu_to_le32(ctl0);
	desc->dma64.control1 = cpu_to_le32(ctl1);
	desc->dma64.address_low = cpu_to_le32(addrlo);
	desc->dma64.address_high = cpu_to_le32(addrhi);
}
开发者ID:EvolutionMod，项目名称:ath10-lenovo，代码行数:35，代码来源:dma.c


示例16: switch

/* Static mapping of mac80211's queues (priorities) to b43 DMA rings. */
static struct b43_dmaring *select_ring_by_priority(struct b43_wldev *dev,
						   u8 queue_prio)
{
	struct b43_dmaring *ring;

	if (dev->qos_enabled) {
		/* 0 = highest priority */
		switch (queue_prio) {
		default:
			B43_WARN_ON(1);
			/* fallthrough */
		case 0:
			ring = dev->dma.tx_ring_AC_VO;
			break;
		case 1:
			ring = dev->dma.tx_ring_AC_VI;
			break;
		case 2:
			ring = dev->dma.tx_ring_AC_BE;
			break;
		case 3:
			ring = dev->dma.tx_ring_AC_BK;
			break;
		}
	} else
		ring = dev->dma.tx_ring_AC_BE;

	return ring;
}
开发者ID:EvolutionMod，项目名称:ath10-lenovo，代码行数:30，代码来源:dma.c


示例17: b43_phy_inita

void b43_phy_inita(struct b43_wldev *dev)
{
	struct ssb_bus *bus = dev->dev->bus;
	struct b43_phy *phy = &dev->phy;

	/* This lowlevel A-PHY init is also called from G-PHY init.
	 * So we must not access phy->a, if called from G-PHY code.
	 */
	B43_WARN_ON((phy->type != B43_PHYTYPE_A) &&
		    (phy->type != B43_PHYTYPE_G));

	might_sleep();

	if (phy->rev >= 6) {
		if (phy->type == B43_PHYTYPE_A)
			b43_phy_write(dev, B43_PHY_OFDM(0x1B),
				b43_phy_read(dev, B43_PHY_OFDM(0x1B)) & ~0x1000);
		if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
			b43_phy_write(dev, B43_PHY_ENCORE,
				b43_phy_read(dev, B43_PHY_ENCORE) | 0x0010);
		else
			b43_phy_write(dev, B43_PHY_ENCORE,
				b43_phy_read(dev, B43_PHY_ENCORE) & ~0x1010);
	}

	b43_wa_all(dev);

	if (phy->type == B43_PHYTYPE_A) {
		if (phy->gmode && (phy->rev < 3))
			b43_phy_write(dev, 0x0034,
				b43_phy_read(dev, 0x0034) | 0x0001);
		b43_phy_rssiagc(dev, 0);

		b43_phy_write(dev, B43_PHY_CRS0,
			b43_phy_read(dev, B43_PHY_CRS0) | B43_PHY_CRS0_EN);

		b43_radio_init2060(dev);

		if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
		    ((bus->boardinfo.type == SSB_BOARD_BU4306) ||
		     (bus->boardinfo.type == SSB_BOARD_BU4309))) {
			; //TODO: A PHY LO
		}

		if (phy->rev >= 3)
			b43_phy_ww(dev);

		hardware_pctl_init_aphy(dev);

		//TODO: radar detection
	}

	if ((phy->type == B43_PHYTYPE_G) &&
	    (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL)) {
		b43_phy_write(dev, B43_PHY_OFDM(0x6E),
				  (b43_phy_read(dev, B43_PHY_OFDM(0x6E))
				   & 0xE000) | 0x3CF);
	}
}
开发者ID:E-LLP，项目名称:n900，代码行数:59，代码来源:phy_a.c


示例18: sync_descbuffer_for_device

static inline
    void sync_descbuffer_for_device(struct b43_dmaring *ring,
				    dma_addr_t addr, size_t len)
{
	B43_WARN_ON(ring->tx);
	dma_sync_single_for_device(ring->dev->dev->dma_dev,
				   addr, len, DMA_FROM_DEVICE);
}
开发者ID:EvolutionMod，项目名称:ath10-lenovo，代码行数:8，代码来源:dma.c


示例19: b43_aphy_op_radio_write

static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
{
	/* Register 1 is a 32-bit register. */
	B43_WARN_ON(reg == 1);

	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
}
开发者ID:AppEngine，项目名称:linux-2.6，代码行数:8，代码来源:phy_a.c


示例20: pio_tx_frame

static int pio_tx_frame(struct b43_pio_txqueue *q,
			struct sk_buff *skb)
{
	struct b43_wldev *dev = q->dev;
	struct b43_wl *wl = dev->wl;
	struct b43_pio_txpacket *pack;
	u16 cookie;
	int err;
	unsigned int hdrlen;
	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
	struct b43_txhdr *txhdr = (struct b43_txhdr *)wl->pio_scratchspace;

	B43_WARN_ON(list_empty(&q->packets_list));
	pack = list_entry(q->packets_list.next,
			  struct b43_pio_txpacket, list);

	cookie = generate_cookie(q, pack);
	hdrlen = b43_txhdr_size(dev);
	BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(struct b43_txhdr));
	B43_WARN_ON(sizeof(wl->pio_scratchspace) < hdrlen);
	err = b43_generate_txhdr(dev, (u8 *)txhdr, skb,
				 info, cookie);
	if (err)
		return err;

	if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
		b43_shm_write16(dev, B43_SHM_SHARED,
				B43_SHM_SH_MCASTCOOKIE, cookie);
	}

	pack->skb = skb;
	if (q->rev >= 8)
		pio_tx_frame_4byte_queue(pack, (const u8 *)txhdr, hdrlen);
	else
		pio_tx_frame_2byte_queue(pack, (const u8 *)txhdr, hdrlen);

	list_del(&pack->list);

	
	q->buffer_used += roundup(skb->len + hdrlen, 4);
	q->free_packet_slots -= 1;

	return 0;
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:44，代码来源:pio.c



注：本文中的B43_WARN_ON函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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