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Staging: rtl8192e: Clean formatting in rtl8192_tx()
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Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Mike McCormack authored and Greg Kroah-Hartman committed Sep 30, 2010
1 parent 4b37700 commit 067ba6c
Showing 1 changed file with 141 additions and 148 deletions.
289 changes: 141 additions & 148 deletions drivers/staging/rtl8192e/r8192E_core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1371,172 +1371,165 @@ static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
*/
short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct rtl8192_tx_ring *ring;
unsigned long flags;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tx_desc_819x_pci *pdesc = NULL;
TX_FWINFO_8190PCI *pTxFwInfo = NULL;
dma_addr_t mapping;
bool multi_addr=false,broad_addr=false,uni_addr=false;
u8* pda_addr = NULL;
int idx;

if(priv->bdisable_nic){
RT_TRACE(COMP_ERR,"%s: ERR!! Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n", __FUNCTION__, skb->len, tcb_desc->queue_index);
struct r8192_priv *priv = ieee80211_priv(dev);
struct rtl8192_tx_ring *ring;
unsigned long flags;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tx_desc_819x_pci *pdesc = NULL;
TX_FWINFO_8190PCI *pTxFwInfo = NULL;
dma_addr_t mapping;
bool multi_addr = false, broad_addr = false, uni_addr = false;
u8 *pda_addr = NULL;
int idx;

if (priv->bdisable_nic) {
RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
skb->len, tcb_desc->queue_index);
return skb->len;
}
}

#ifdef ENABLE_LPS
priv->ieee80211->bAwakePktSent = true;
#endif

mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
/* collect the tx packets statitcs */
pda_addr = ((u8*)skb->data) + sizeof(TX_FWINFO_8190PCI);
if(is_multicast_ether_addr(pda_addr))
multi_addr = true;
else if(is_broadcast_ether_addr(pda_addr))
broad_addr = true;
else
uni_addr = true;

if(uni_addr)
priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
else if(multi_addr)
priv->stats.txbytesmulticast +=(u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
else
priv->stats.txbytesbroadcast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);

/* fill tx firmware */
pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
memset(pTxFwInfo,0,sizeof(TX_FWINFO_8190PCI));
pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80)?1:0;
pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);

/* Aggregation related */
if(tcb_desc->bAMPDUEnable) {
pTxFwInfo->AllowAggregation = 1;
pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
} else {
pTxFwInfo->AllowAggregation = 0;
pTxFwInfo->RxMF = 0;
pTxFwInfo->RxAMD = 0;
}
mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);

//
// Protection mode related
//
pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable)?1:0;
pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable)?1:0;
pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC)?1:0;
pTxFwInfo->RtsHT= (tcb_desc->rts_rate&0x80)?1:0;
pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
pTxFwInfo->RtsBandwidth = 0;
pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT==0)?(tcb_desc->bRTSUseShortPreamble?1:0):(tcb_desc->bRTSUseShortGI?1:0);
//
// Set Bandwidth and sub-channel settings.
//
if(priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40)
{
if(tcb_desc->bPacketBW)
{
pTxFwInfo->TxBandwidth = 1;
/* collect the tx packets statitcs */
pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
if (is_multicast_ether_addr(pda_addr))
multi_addr = true;
else if (is_broadcast_ether_addr(pda_addr))
broad_addr = true;
else
uni_addr = true;

if (uni_addr)
priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
else if (multi_addr)
priv->stats.txbytesmulticast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
else
priv->stats.txbytesbroadcast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);

/* fill tx firmware */
pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);

/* Aggregation related */
if (tcb_desc->bAMPDUEnable) {
pTxFwInfo->AllowAggregation = 1;
pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
} else {
pTxFwInfo->AllowAggregation = 0;
pTxFwInfo->RxMF = 0;
pTxFwInfo->RxAMD = 0;
}

/* Protection mode related */
pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
pTxFwInfo->RtsBandwidth = 0;
pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);

/* Set Bandwidth and sub-channel settings. */
if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
if (tcb_desc->bPacketBW) {
pTxFwInfo->TxBandwidth = 1;
#ifdef RTL8190P
pTxFwInfo->TxSubCarrier = 3;
pTxFwInfo->TxSubCarrier = 3;
#else
pTxFwInfo->TxSubCarrier = 0; //By SD3's Jerry suggestion, use duplicated mode, cosa 04012008
/* use duplicated mode */
pTxFwInfo->TxSubCarrier = 0;
#endif
}
else
{
pTxFwInfo->TxBandwidth = 0;
pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
}
} else {
pTxFwInfo->TxBandwidth = 0;
pTxFwInfo->TxSubCarrier = 0;
}
} else {
pTxFwInfo->TxBandwidth = 0;
pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
}
} else {
pTxFwInfo->TxBandwidth = 0;
pTxFwInfo->TxSubCarrier = 0;
}

spin_lock_irqsave(&priv->irq_th_lock,flags);
ring = &priv->tx_ring[tcb_desc->queue_index];
if (tcb_desc->queue_index != BEACON_QUEUE) {
idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
} else {
idx = 0;
}
spin_lock_irqsave(&priv->irq_th_lock, flags);
ring = &priv->tx_ring[tcb_desc->queue_index];
if (tcb_desc->queue_index != BEACON_QUEUE)
idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
else
idx = 0;

pdesc = &ring->desc[idx];
if((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
RT_TRACE(COMP_ERR,"No more TX desc@%d, ring->idx = %d,idx = %d,%x",
tcb_desc->queue_index,ring->idx, idx,skb->len);
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
return skb->len;
}
pdesc = &ring->desc[idx];
if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x",
tcb_desc->queue_index, ring->idx, idx, skb->len);
spin_unlock_irqrestore(&priv->irq_th_lock, flags);
return skb->len;
}

/* fill tx descriptor */
memset((u8*)pdesc,0,12);
/*DWORD 0*/
pdesc->LINIP = 0;
pdesc->CmdInit = 1;
pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; //We must add 8!! Emily
pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);

/*DWORD 1*/
pdesc->SecCAMID= 0;
pdesc->RATid = tcb_desc->RATRIndex;


pdesc->NoEnc = 1;
pdesc->SecType = 0x0;
if (tcb_desc->bHwSec) {
switch (priv->ieee80211->pairwise_key_type) {
case KEY_TYPE_WEP40:
case KEY_TYPE_WEP104:
pdesc->SecType = 0x1;
pdesc->NoEnc = 0;
break;
case KEY_TYPE_TKIP:
pdesc->SecType = 0x2;
pdesc->NoEnc = 0;
break;
case KEY_TYPE_CCMP:
pdesc->SecType = 0x3;
pdesc->NoEnc = 0;
break;
case KEY_TYPE_NA:
pdesc->SecType = 0x0;
pdesc->NoEnc = 1;
break;
}
}
/* fill tx descriptor */
memset(pdesc, 0, 12);

//
// Set Packet ID
//
pdesc->PktId = 0x0;
/*DWORD 0*/
pdesc->LINIP = 0;
pdesc->CmdInit = 1;
pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);

pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
/*DWORD 1*/
pdesc->SecCAMID = 0;
pdesc->RATid = tcb_desc->RATRIndex;

pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
pdesc->NoEnc = 1;
pdesc->SecType = 0x0;
if (tcb_desc->bHwSec) {
switch (priv->ieee80211->pairwise_key_type) {
case KEY_TYPE_WEP40:
case KEY_TYPE_WEP104:
pdesc->SecType = 0x1;
pdesc->NoEnc = 0;
break;
case KEY_TYPE_TKIP:
pdesc->SecType = 0x2;
pdesc->NoEnc = 0;
break;
case KEY_TYPE_CCMP:
pdesc->SecType = 0x3;
pdesc->NoEnc = 0;
break;
case KEY_TYPE_NA:
pdesc->SecType = 0x0;
pdesc->NoEnc = 1;
break;
}
}

pdesc->FirstSeg =1;
pdesc->LastSeg = 1;
pdesc->TxBufferSize = skb->len;
/* Set Packet ID */
pdesc->PktId = 0x0;

pdesc->TxBuffAddr = cpu_to_le32(mapping);
__skb_queue_tail(&ring->queue, skb);
pdesc->OWN = 1;
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
dev->trans_start = jiffies;
write_nic_word(dev,TPPoll,0x01<<tcb_desc->queue_index);
return 0;
pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);

pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;

pdesc->FirstSeg = 1;
pdesc->LastSeg = 1;
pdesc->TxBufferSize = skb->len;

pdesc->TxBuffAddr = cpu_to_le32(mapping);
__skb_queue_tail(&ring->queue, skb);
pdesc->OWN = 1;
spin_unlock_irqrestore(&priv->irq_th_lock, flags);
dev->trans_start = jiffies;
write_nic_word(dev, TPPoll, 0x01<<tcb_desc->queue_index);
return 0;
}

static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
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