add RTL8185 and RTL8225 support, and to David Young also.
*/
-#undef DEBUG_TX_DESC2
#undef RX_DONT_PASS_UL
-#undef DEBUG_EPROM
-#undef DEBUG_RX_VERBOSE
#undef DUMMY_RX
-#undef DEBUG_ZERO_RX
-#undef DEBUG_RX_SKB
-#undef DEBUG_TX_FRAG
-#undef DEBUG_RX_FRAG
-#undef DEBUG_TX_FILLDESC
-#undef DEBUG_TX
-#undef DEBUG_IRQ
-#undef DEBUG_RX
-#undef DEBUG_RXALLOC
-#undef DEBUG_REGISTERS
-#undef DEBUG_RING
-#undef DEBUG_IRQ_TASKLET
-#undef DEBUG_TX_ALLOC
-#undef DEBUG_TX_DESC
-
-//#define DEBUG_TX
-//#define DEBUG_TX_DESC2
-//#define DEBUG_RX
-//#define DEBUG_RX_SKB
#include <linux/syscalls.h>
//#include <linux/fcntl.h>
short buffer_add(struct buffer **buffer, u32 *buf, dma_addr_t dma,
struct buffer **bufferhead)
{
-#ifdef DEBUG_RING
- DMESG("adding buffer to TX/RX struct");
-#endif
-
struct buffer *tmp;
if(! *buffer){
return (required+2 < get_curr_tx_free_desc(dev,priority));
}
-
-/* This function is only for debuging purpose */
-void check_tx_ring(struct net_device *dev, int pri)
-{
- static int maxlog =3;
- struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
- u32* tmp;
- struct buffer *buf;
- int i;
- int nic;
- u32* tail;
- u32* head;
- u32* begin;
- u32 nicbegin;
- struct buffer* buffer;
-
- maxlog --;
- if (maxlog <0 ) return;
-
- switch(pri) {
- case MANAGE_PRIORITY:
- tail = priv->txmapringtail;
- begin = priv->txmapring;
- head = priv->txmapringhead;
- nic = read_nic_dword(dev,TX_MANAGEPRIORITY_RING_ADDR);
- buffer = priv->txmapbufs;
- nicbegin = priv->txmapringdma;
- break;
-
-
- case BK_PRIORITY:
- tail = priv->txbkpringtail;
- begin = priv->txbkpring;
- head = priv->txbkpringhead;
- nic = read_nic_dword(dev,TX_BKPRIORITY_RING_ADDR);
- buffer = priv->txbkpbufs;
- nicbegin = priv->txbkpringdma;
- break;
-
- case BE_PRIORITY:
- tail = priv->txbepringtail;
- begin = priv->txbepring;
- head = priv->txbepringhead;
- nic = read_nic_dword(dev,TX_BEPRIORITY_RING_ADDR);
- buffer = priv->txbepbufs;
- nicbegin = priv->txbepringdma;
- break;
-
- case VI_PRIORITY:
- tail = priv->txvipringtail;
- begin = priv->txvipring;
- head = priv->txvipringhead;
- nic = read_nic_dword(dev,TX_VIPRIORITY_RING_ADDR);
- buffer = priv->txvipbufs;
- nicbegin = priv->txvipringdma;
- break;
-
-
- case VO_PRIORITY:
- tail = priv->txvopringtail;
- begin = priv->txvopring;
- head = priv->txvopringhead;
- nic = read_nic_dword(dev,TX_VOPRIORITY_RING_ADDR);
- buffer = priv->txvopbufs;
- nicbegin = priv->txvopringdma;
- break;
-
- case HI_PRIORITY:
- tail = priv->txhpringtail;
- begin = priv->txhpring;
- head = priv->txhpringhead;
- nic = read_nic_dword(dev,TX_HIGHPRIORITY_RING_ADDR);
- buffer = priv->txhpbufs;
- nicbegin = priv->txhpringdma;
- break;
-
- default:
- return ;
- break;
- }
-
- if(!priv->txvopbufs)
- DMESGE ("NIC TX ack, but TX queue corrupted!");
- else{
-
- for(i=0,buf=buffer, tmp=begin;
- tmp<begin+(priv->txringcount)*8;
- tmp+=8,buf=buf->next,i++)
-
- DMESG("BUF%d %s %x %s. Next : %x",i,
- *tmp & (1<<31) ? "filled" : "empty",
- *(buf->buf),
- *tmp & (1<<15)? "ok": "err", *(tmp+4));
- }
-
- return;
-}
-
-
-
-/* this function is only for debugging purpose */
-void check_rxbuf(struct net_device *dev)
-{
- struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
- u32* tmp;
- struct buffer *buf;
- u8 rx_desc_size;
-
- rx_desc_size = 8;
-
- if(!priv->rxbuffer)
- DMESGE ("NIC RX ack, but RX queue corrupted!");
-
- else{
-
- for(buf=priv->rxbuffer, tmp=priv->rxring;
- tmp < priv->rxring+(priv->rxringcount)*rx_desc_size;
- tmp+=rx_desc_size, buf=buf->next)
-
- DMESG("BUF %s %x",
- *tmp & (1<<31) ? "empty" : "filled",
- *(buf->buf));
- }
-
- return;
-}
-
-
-void dump_eprom(struct net_device *dev)
-{
- int i;
- for(i=0; i<63; i++)
- DMESG("EEPROM addr %x : %x", i, eprom_read(dev,i));
-}
-
-
-void rtl8180_dump_reg(struct net_device *dev)
-{
- int i;
- int n;
- int max=0xff;
-
- DMESG("Dumping NIC register map");
-
- for(n=0;n<=max;)
- {
- printk( "\nD: %2x> ", n);
- for(i=0;i<16 && n<=max;i++,n++)
- printk("%2x ",read_nic_byte(dev,n));
- }
- printk("\n");
-}
-
-
void fix_tx_fifo(struct net_device *dev)
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
u32 *tmp;
int i;
-#ifdef DEBUG_TX_ALLOC
- DMESG("FIXING TX FIFOs");
-#endif
+
for (tmp=priv->txmapring, i=0;
i < priv->txringcount;
tmp+=8, i++){
tmp+=8, i++){
*tmp = *tmp &~ (1<<31);
}
-#ifdef DEBUG_TX_ALLOC
- DMESG("TX FIFOs FIXED");
-#endif
+
priv->txmapringtail = priv->txmapring;
priv->txmapringhead = priv->txmapring;
priv->txmapbufstail = priv->txmapbufs;
rx_desc_size = 8; // 4*8 = 32 bytes
-#ifdef DEBUG_RXALLOC
- DMESG("FIXING RX FIFO");
- check_rxbuf(dev);
-#endif
-
for (tmp=priv->rxring, rxbuf=priv->rxbufferhead;
(tmp < (priv->rxring)+(priv->rxringcount)*rx_desc_size);
tmp+=rx_desc_size,rxbuf=rxbuf->next){
*tmp |= (1<<31);
}
-#ifdef DEBUG_RXALLOC
- DMESG("RX FIFO FIXED");
- check_rxbuf(dev);
-#endif
-
priv->rxringtail=priv->rxring;
priv->rxbuffer=priv->rxbufferhead;
priv->rx_skb_complete=1;
fix_rx_fifo(dev);
-#ifdef DEBUG_RX
- DMESG("rxconf: %x %x",rxconf ,read_nic_dword(dev,RX_CONF));
-#endif
cmd=read_nic_byte(dev,CMD);
write_nic_byte(dev,CMD,cmd | (1<<CMD_RX_ENABLE_SHIFT));
fix_tx_fifo(dev);
-#ifdef DEBUG_TX
- DMESG("txconf: %x %x",txconf,read_nic_dword(dev,TX_CONF));
-#endif
-
cmd=read_nic_byte(dev,CMD);
write_nic_byte(dev,CMD,cmd | (1<<CMD_TX_ENABLE_SHIFT));
}
-#ifdef DEBUG_TX
- DMESG("Tx dma physical address: %x",dma_desc);
-#endif
-
return 0;
}
dma_tmp = pci_map_single(pdev,buf,bufsize * sizeof(u8),
PCI_DMA_FROMDEVICE);
-#ifdef DEBUG_ZERO_RX
- int j;
- for(j=0;j<bufsize;j++) ((u8*)buf)[i] = 0;
-#endif
-
//buf = (void*)pci_alloc_consistent(pdev,bufsize,&dma_tmp);
if(-1 == buffer_add(&(priv->rxbuffer), buf,dma_tmp,
&(priv->rxbufferhead))){
*(tmp+2) = (u32)dma_tmp;
*tmp = *tmp |(1<<31); // descriptor void, owned by the NIC
-#ifdef DEBUG_RXALLOC
- DMESG("Alloc %x size buffer, DMA mem @ %x, virtual mem @ %x",
- (u32)(bufsize&0xfff), (u32)dma_tmp, (u32)buf);
-#endif
-
tmp=tmp+rx_desc_size;
}
*(tmp-rx_desc_size) = *(tmp-rx_desc_size) | (1<<30); // this is the last descriptor
-
-#ifdef DEBUG_RXALLOC
- DMESG("RX DMA physical address: %x",dma_desc);
-#endif
-
return 0;
}
priv->rx_skb_complete = 1;
}
-#ifdef DEBUG_RX_FRAG
- DMESG("Iteration.. len %x",len);
- if(first) DMESG ("First descriptor");
- if(last) DMESG("Last descriptor");
-
-#endif
-#ifdef DEBUG_RX_VERBOSE
- print_buffer( priv->rxbuffer->buf, len);
-#endif
-
signal=(unsigned char)(((*(priv->rxringtail+3))& (0x00ff0000))>>16);
signal=(signal&0xfe)>>1; // Modify by hikaru 6.6
if(!priv->rx_skb_complete){
/* seems that HW sometimes fails to reiceve and
doesn't provide the last descriptor */
-#ifdef DEBUG_RX_SKB
- DMESG("going to free incomplete skb");
-#endif
dev_kfree_skb_any(priv->rx_skb);
priv->stats.rxnolast++;
-#ifdef DEBUG_RX_SKB
- DMESG("free incomplete skb OK");
-#endif
}
/* support for prism header has been originally added by Christian */
if(priv->prism_hdr && priv->ieee80211->iw_mode == IW_MODE_MONITOR){
}else{
priv->rx_skb = dev_alloc_skb(len+2);
if( !priv->rx_skb) goto drop;
-#ifdef DEBUG_RX_SKB
- DMESG("Alloc initial skb %x",len+2);
-#endif
}
priv->rx_skb_complete=0;
if(!tmp_skb) goto drop;
tmp_skb->dev=dev;
-#ifdef DEBUG_RX_SKB
- DMESG("Realloc skb %x",len+2);
-#endif
-#ifdef DEBUG_RX_SKB
- DMESG("going copy prev frag %x",priv->rx_skb->len);
-#endif
memcpy(skb_put(tmp_skb,priv->rx_skb->len),
priv->rx_skb->data,
priv->rx_skb->len);
-#ifdef DEBUG_RX_SKB
- DMESG("skb copy prev frag complete");
-#endif
dev_kfree_skb_any(priv->rx_skb);
-#ifdef DEBUG_RX_SKB
- DMESG("prev skb free ok");
-#endif
priv->rx_skb=tmp_skb;
}
}
-#ifdef DEBUG_RX_SKB
- DMESG("going to copy current payload %x",len);
-#endif
+
if(!priv->rx_skb_complete) {
if(padding) {
memcpy(skb_put(priv->rx_skb,len),
priv->rxbuffer->buf,len);
}
}
-#ifdef DEBUG_RX_SKB
- DMESG("current fragment skb copy complete");
-#endif
if(last && !priv->rx_skb_complete){
-
-#ifdef DEBUG_RX_SKB
- DMESG("Got last fragment");
-#endif
-
if(priv->rx_skb->len > 4)
skb_trim(priv->rx_skb,priv->rx_skb->len-4);
-#ifdef DEBUG_RX_SKB
- DMESG("yanked out crc, passing to the upper layer");
-#endif
-
#ifndef RX_DONT_PASS_UL
if(!ieee80211_rx(priv->ieee80211,
priv->rx_skb, &stats)){
-#ifdef DEBUG_RX
- DMESGW("Packet not consumed");
-#endif
#endif // RX_DONT_PASS_UL
dev_kfree_skb_any(priv->rx_skb);
#ifndef RX_DONT_PASS_UL
}
#endif
-#ifdef DEBUG_RX
- else{
- DMESG("Rcv frag");
- }
-#endif
priv->rx_skb_complete=1;
}
//wmb();
-#ifdef DEBUG_RX
- DMESG("Current descriptor: %x",(u32)priv->rxringtail);
-#endif
//unsigned long flags;
//spin_lock_irqsave(&priv->irq_lock,flags);
temp_tail = tail;
//printk("================================>buflen = %d, remain = %d!\n", buflen,remain);
while(remain!=0){
-#ifdef DEBUG_TX_FRAG
- DMESG("TX iteration");
-#endif
-#ifdef DEBUG_TX
- DMESG("TX: filling descriptor %x",(u32)tail);
-#endif
mb();
if(!buflist){
DMESGE("TX buffer error, cannot TX frames. pri %d.", priority);
DMESGW("No more TX desc, returning %x of %x",
remain,len);
priv->stats.txrdu++;
-#ifdef DEBUG_TX_DESC
- check_tx_ring(dev,priority);
- // netif_stop_queue(dev);
- // netif_carrier_off(dev);
-#endif
// spin_unlock_irqrestore(&priv->tx_lock,flags);
return remain;
// *tail = *tail | (1<<16);
if(remain==len && !descfrag) {
ownbit_flag = false; //added by david woo,2007.12.14
-#ifdef DEBUG_TX_FRAG
- DMESG("First descriptor");
-#endif
*tail = *tail| (1<<29) ; //fist segment of the packet
*tail = *tail |(len);
} else {
duration = rtl8180_len2duration(len,
rate,&ext);
-
-#ifdef DEBUG_TX
- DMESG("PLCP duration %d",duration );
- //DMESG("drift %d",drift);
- DMESG("extension %s", (ext==1) ? "on":"off");
-#endif
*(tail+1) = *(tail+1) | ((duration & 0x7fff)<<16);
if(ext) *(tail+1) = *(tail+1) |(1<<31); //plcp length extension
}
if(morefrag) *tail = (*tail) | (1<<17); // more fragment
if(!remain) *tail = (*tail) | (1<<28); // last segment of frame
-#ifdef DEBUG_TX_FRAG
- if(!remain)DMESG("Last descriptor");
- if(morefrag)DMESG("More frag");
-#endif
*(tail+5) = *(tail+5)|(2<<27);
*(tail+7) = *(tail+7)|(1<<4);
*tail = *tail | (1<<31); // descriptor ready to be txed
}
-#ifdef DEBUG_TX_DESC2
- printk("tx desc is:\n");
- DMESG("%8x %8x %8x %8x %8x %8x %8x %8x", tail[0], tail[1], tail[2], tail[3],
- tail[4], tail[5], tail[6], tail[7]);
-#endif
-
if((tail - begin)/8 == count-1)
tail=begin;
word = eprom_read(dev,EPROM_TXPW_CH1_2 + j);
priv->chtxpwr[i]=word & 0xff;
priv->chtxpwr[i+1]=(word & 0xff00)>>8;
-#ifdef DEBUG_EPROM
- DMESG("tx word %x:%x",j,word);
- DMESG("ch %d pwr %x",i,priv->chtxpwr[i]);
- DMESG("ch %d pwr %x",i+1,priv->chtxpwr[i+1]);
-#endif
}
if(priv->card_8185){
for(i=1,j=0; i<14; i+=2,j++){
word = eprom_read(dev,EPROM_TXPW_OFDM_CH1_2 + j);
priv->chtxpwr_ofdm[i]=word & 0xff;
priv->chtxpwr_ofdm[i+1]=(word & 0xff00)>>8;
-#ifdef DEBUG_EPROM
- DMESG("ofdm tx word %x:%x",j,word);
- DMESG("ofdm ch %d pwr %x",i,priv->chtxpwr_ofdm[i]);
- DMESG("ofdm ch %d pwr %x",i+1,priv->chtxpwr_ofdm[i+1]);
-#endif
}
}
//{by amy 080312
DMESG("IRQ %d",dev->irq);
}
-#ifdef DEBUG_EPROM
- dump_eprom(dev);
-#endif
-
return 0;
}
if(phy == data){ //SUCCESS!
force_pci_posting(dev);
mdelay(3); //random value
-#ifdef DEBUG_BB
- DMESG("Phy wr %x,%x",adr,data);
-#endif
return;
}else{
force_pci_posting(dev);
rtl8180_set_mode(dev,EPROM_CMD_NORMAL);
write_nic_dword(dev,INT_TIMEOUT,0);
-#ifdef DEBUG_REGISTERS
- rtl8180_dump_reg(dev);
-#endif
if(!priv->card_8185)
{
nicv = (u32*) ((nic - nicbegin) + (u8*)begin);
if((head <= tail && (nicv > tail || nicv < head)) ||
(head > tail && (nicv > tail && nicv < head))){
-
DMESGW("nic has lost pointer");
-#ifdef DEBUG_TX_DESC
- //check_tx_ring(dev,NORM_PRIORITY);
- check_tx_ring(dev,pri);
-#endif
spin_unlock_irqrestore(&priv->tx_lock,flag);
rtl8180_restart(dev);
return;
}
priv->stats.ints++;
-#ifdef DEBUG_IRQ
- DMESG("NIC irq %x",inta);
-#endif
//priv->irqpending = inta;
}
if(inta & ISR_THPDER){
-#ifdef DEBUG_TX
- DMESG ("TX high priority ERR");
-#endif
priv->stats.txhperr++;
rtl8180_tx_isr(dev,HI_PRIORITY,1);
priv->ieee80211->stats.tx_errors++;
}
if(inta & ISR_THPDOK){ //High priority tx ok
-#ifdef DEBUG_TX
- DMESG ("TX high priority OK");
-#endif
// priv->NumTxOkTotal++;
//priv->NumTxOkInPeriod++; //YJ,del,080828
priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
if(inta & ISR_RER) {
priv->stats.rxerr++;
-#ifdef DEBUG_RX
- DMESGW("RX error int");
-#endif
}
if(inta & ISR_TBKDER){ //corresponding to BK_PRIORITY
priv->stats.txbkperr++;
priv->ieee80211->stats.tx_errors++;
-#ifdef DEBUG_TX
- DMESGW("TX bkp error int");
-#endif
//tasklet_schedule(&priv->irq_tx_tasklet);
rtl8180_tx_isr(dev,BK_PRIORITY,1);
rtl8180_try_wake_queue(dev, BE_PRIORITY);
if(inta & ISR_TBEDER){ //corresponding to BE_PRIORITY
priv->stats.txbeperr++;
priv->ieee80211->stats.tx_errors++;
-#ifdef DEBUG_TX
- DMESGW("TX bep error int");
-#endif
rtl8180_tx_isr(dev,BE_PRIORITY,1);
//tasklet_schedule(&priv->irq_tx_tasklet);
rtl8180_try_wake_queue(dev, BE_PRIORITY);
if(inta & ISR_TNPDER){ //corresponding to VO_PRIORITY
priv->stats.txnperr++;
priv->ieee80211->stats.tx_errors++;
-#ifdef DEBUG_TX
- DMESGW("TX np error int");
-#endif
//tasklet_schedule(&priv->irq_tx_tasklet);
rtl8180_tx_isr(dev,NORM_PRIORITY,1);
rtl8180_try_wake_queue(dev, NORM_PRIORITY);
if(inta & ISR_TLPDER){ //corresponding to VI_PRIORITY
priv->stats.txlperr++;
priv->ieee80211->stats.tx_errors++;
-#ifdef DEBUG_TX
- DMESGW("TX lp error int");
-#endif
rtl8180_tx_isr(dev,LOW_PRIORITY,1);
//tasklet_schedule(&priv->irq_tx_tasklet);
rtl8180_try_wake_queue(dev, LOW_PRIORITY);
}
if(inta & ISR_ROK){
-#ifdef DEBUG_RX
- DMESG("Frame arrived !");
-#endif
//priv->NumRxOkInPeriod++; //YJ,del,080828
priv->stats.rxint++;
tasklet_schedule(&priv->irq_rx_tasklet);
}
if(inta & ISR_RQoSOK ){
-#ifdef DEBUG_RX
- DMESG("QoS Frame arrived !");
-#endif
//priv->NumRxOkInPeriod++; //YJ,del,080828
priv->stats.rxint++;
tasklet_schedule(&priv->irq_rx_tasklet);
}
if(inta & ISR_RDU){
-//#ifdef DEBUG_RX
DMESGW("No RX descriptor available");
priv->stats.rxrdu++;
-//#endif
tasklet_schedule(&priv->irq_rx_tasklet);
/*queue_work(priv->workqueue ,&priv->restart_work);*/
}
if(inta & ISR_RXFOVW){
-#ifdef DEBUG_RX
- DMESGW("RX fifo overflow");
-#endif
priv->stats.rxoverflow++;
tasklet_schedule(&priv->irq_rx_tasklet);
//queue_work(priv->workqueue ,&priv->restart_work);
if(inta & ISR_TXFOVW) priv->stats.txoverflow++;
if(inta & ISR_TNPDOK){ //Normal priority tx ok
-#ifdef DEBUG_TX
- DMESG ("TX normal priority OK");
-#endif
// priv->NumTxOkTotal++;
//priv->NumTxOkInPeriod++; //YJ,del,080828
priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
}
if(inta & ISR_TLPDOK){ //Low priority tx ok
-#ifdef DEBUG_TX
- DMESG ("TX low priority OK");
-#endif
// priv->NumTxOkTotal++;
//priv->NumTxOkInPeriod++; //YJ,del,080828
priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
if(inta & ISR_TBKDOK){ //corresponding to BK_PRIORITY
priv->stats.txbkpokint++;
-#ifdef DEBUG_TX
- DMESGW("TX bk priority ok");
-#endif
// priv->NumTxOkTotal++;
//priv->NumTxOkInPeriod++; //YJ,del,080828
priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
if(inta & ISR_TBEDOK){ //corresponding to BE_PRIORITY
priv->stats.txbeperr++;
-#ifdef DEBUG_TX
- DMESGW("TX be priority ok");
-#endif
// priv->NumTxOkTotal++;
//priv->NumTxOkInPeriod++; //YJ,del,080828
priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff