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-rw-r--r--drivers/net/smc91x.c58
-rw-r--r--drivers/net/smc91x.h15
2 files changed, 37 insertions, 36 deletions
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index 5e561ba4433..fd80048f7f7 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -129,7 +129,7 @@ MODULE_PARM_DESC(nowait, "set to 1 for no wait state");
/*
* Transmit timeout, default 5 seconds.
*/
-static int watchdog = 5000;
+static int watchdog = 1000;
module_param(watchdog, int, 0400);
MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds");
@@ -660,15 +660,14 @@ static void smc_hardware_send_pkt(unsigned long data)
SMC_outw(((len & 1) ? (0x2000 | buf[len-1]) : 0), ioaddr, DATA_REG);
/*
- * If THROTTLE_TX_PKTS is set, we look at the TX_EMPTY flag
- * before queueing this packet for TX, and if it's clear then
- * we stop the queue here. This will have the effect of
- * having at most 2 packets queued for TX in the chip's memory
- * at all time. If THROTTLE_TX_PKTS is not set then the queue
- * is stopped only when memory allocation (MC_ALLOC) does not
- * succeed right away.
+ * If THROTTLE_TX_PKTS is set, we stop the queue here. This will
+ * have the effect of having at most one packet queued for TX
+ * in the chip's memory at all time.
+ *
+ * If THROTTLE_TX_PKTS is not set then the queue is stopped only
+ * when memory allocation (MC_ALLOC) does not succeed right away.
*/
- if (THROTTLE_TX_PKTS && !(SMC_GET_INT() & IM_TX_EMPTY_INT))
+ if (THROTTLE_TX_PKTS)
netif_stop_queue(dev);
/* queue the packet for TX */
@@ -792,17 +791,20 @@ static void smc_tx(struct net_device *dev)
DBG(2, "%s: TX STATUS 0x%04x PNR 0x%02x\n",
dev->name, tx_status, packet_no);
- if (!(tx_status & TS_SUCCESS))
+ if (!(tx_status & ES_TX_SUC))
lp->stats.tx_errors++;
- if (tx_status & TS_LOSTCAR)
+
+ if (tx_status & ES_LOSTCARR)
lp->stats.tx_carrier_errors++;
- if (tx_status & TS_LATCOL) {
- PRINTK("%s: late collision occurred on last xmit\n", dev->name);
+ if (tx_status & (ES_LATCOL | ES_16COL)) {
+ PRINTK("%s: %s occurred on last xmit\n", dev->name,
+ (tx_status & ES_LATCOL) ?
+ "late collision" : "too many collisions");
lp->stats.tx_window_errors++;
if (!(lp->stats.tx_window_errors & 63) && net_ratelimit()) {
- printk(KERN_INFO "%s: unexpectedly large numbers of "
- "late collisions. Please check duplex "
+ printk(KERN_INFO "%s: unexpectedly large number of "
+ "bad collisions. Please check duplex "
"setting.\n", dev->name);
}
}
@@ -1236,7 +1238,7 @@ static void smc_10bt_check_media(struct net_device *dev, int init)
old_carrier = netif_carrier_ok(dev) ? 1 : 0;
SMC_SELECT_BANK(0);
- new_carrier = SMC_inw(ioaddr, EPH_STATUS_REG) & ES_LINK_OK ? 1 : 0;
+ new_carrier = (SMC_GET_EPH_STATUS() & ES_LINK_OK) ? 1 : 0;
SMC_SELECT_BANK(2);
if (init || (old_carrier != new_carrier)) {
@@ -1308,15 +1310,16 @@ static irqreturn_t smc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
if (!status)
break;
- if (status & IM_RCV_INT) {
- DBG(3, "%s: RX irq\n", dev->name);
- smc_rcv(dev);
- } else if (status & IM_TX_INT) {
+ if (status & IM_TX_INT) {
+ /* do this before RX as it will free memory quickly */
DBG(3, "%s: TX int\n", dev->name);
smc_tx(dev);
SMC_ACK_INT(IM_TX_INT);
if (THROTTLE_TX_PKTS)
netif_wake_queue(dev);
+ } else if (status & IM_RCV_INT) {
+ DBG(3, "%s: RX irq\n", dev->name);
+ smc_rcv(dev);
} else if (status & IM_ALLOC_INT) {
DBG(3, "%s: Allocation irq\n", dev->name);
tasklet_hi_schedule(&lp->tx_task);
@@ -1337,7 +1340,10 @@ static irqreturn_t smc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
/* multiple collisions */
lp->stats.collisions += card_stats & 0xF;
} else if (status & IM_RX_OVRN_INT) {
- DBG(1, "%s: RX overrun\n", dev->name);
+ DBG(1, "%s: RX overrun (EPH_ST 0x%04x)\n", dev->name,
+ ({ int eph_st; SMC_SELECT_BANK(0);
+ eph_st = SMC_GET_EPH_STATUS();
+ SMC_SELECT_BANK(2); eph_st; }) );
SMC_ACK_INT(IM_RX_OVRN_INT);
lp->stats.rx_errors++;
lp->stats.rx_fifo_errors++;
@@ -1389,7 +1395,7 @@ static void smc_timeout(struct net_device *dev)
{
struct smc_local *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
- int status, mask, meminfo, fifo;
+ int status, mask, eph_st, meminfo, fifo;
DBG(2, "%s: %s\n", dev->name, __FUNCTION__);
@@ -1398,11 +1404,13 @@ static void smc_timeout(struct net_device *dev)
mask = SMC_GET_INT_MASK();
fifo = SMC_GET_FIFO();
SMC_SELECT_BANK(0);
+ eph_st = SMC_GET_EPH_STATUS();
meminfo = SMC_GET_MIR();
SMC_SELECT_BANK(2);
spin_unlock_irq(&lp->lock);
- PRINTK( "%s: INT 0x%02x MASK 0x%02x MEM 0x%04x FIFO 0x%04x\n",
- dev->name, status, mask, meminfo, fifo );
+ PRINTK( "%s: TX timeout (INT 0x%02x INTMASK 0x%02x "
+ "MEM 0x%04x FIFO 0x%04x EPH_ST 0x%04x)\n",
+ dev->name, status, mask, meminfo, fifo, eph_st );
smc_reset(dev);
smc_enable(dev);
@@ -1863,7 +1871,7 @@ static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr)
SMC_SELECT_BANK(1);
val = SMC_GET_BASE();
val = ((val & 0x1F00) >> 3) << SMC_IO_SHIFT;
- if (((unsigned long)ioaddr & ((PAGE_SIZE-1)<<SMC_IO_SHIFT)) != val) { /*XXX: WTF? */
+ if (((unsigned int)ioaddr & (0x3e0 << SMC_IO_SHIFT)) != val) {
printk("%s: IOADDR %p doesn't match configuration (%x).\n",
CARDNAME, ioaddr, val);
}
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index ddd2688e7d3..946528e6b74 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -151,7 +151,7 @@
/* We actually can't write halfwords properly if not word aligned */
static inline void
-SMC_outw(u16 val, unsigned long ioaddr, int reg)
+SMC_outw(u16 val, void __iomem *ioaddr, int reg)
{
if (reg & 2) {
unsigned int v = val << 16;
@@ -317,7 +317,7 @@ static inline void SMC_outsw (unsigned long a, int r, unsigned char* p, int l)
#define SMC_insl(a, r, p, l) \
smc_pxa_dma_insl(a, lp->physaddr, r, dev->dma, p, l)
static inline void
-smc_pxa_dma_insl(u_long ioaddr, u_long physaddr, int reg, int dma,
+smc_pxa_dma_insl(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
u_char *buf, int len)
{
dma_addr_t dmabuf;
@@ -355,7 +355,7 @@ smc_pxa_dma_insl(u_long ioaddr, u_long physaddr, int reg, int dma,
#define SMC_insw(a, r, p, l) \
smc_pxa_dma_insw(a, lp->physaddr, r, dev->dma, p, l)
static inline void
-smc_pxa_dma_insw(u_long ioaddr, u_long physaddr, int reg, int dma,
+smc_pxa_dma_insw(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
u_char *buf, int len)
{
dma_addr_t dmabuf;
@@ -681,14 +681,6 @@ static const char * chip_ids[ 16 ] = {
/*
- . Transmit status bits
-*/
-#define TS_SUCCESS 0x0001
-#define TS_LOSTCAR 0x0400
-#define TS_LATCOL 0x0200
-#define TS_16COL 0x0010
-
-/*
. Receive status bits
*/
#define RS_ALGNERR 0x8000
@@ -845,6 +837,7 @@ static const char * chip_ids[ 16 ] = {
#define SMC_GET_FIFO() SMC_inw( ioaddr, FIFO_REG )
#define SMC_GET_PTR() SMC_inw( ioaddr, PTR_REG )
#define SMC_SET_PTR(x) SMC_outw( x, ioaddr, PTR_REG )
+#define SMC_GET_EPH_STATUS() SMC_inw( ioaddr, EPH_STATUS_REG )
#define SMC_GET_RCR() SMC_inw( ioaddr, RCR_REG )
#define SMC_SET_RCR(x) SMC_outw( x, ioaddr, RCR_REG )
#define SMC_GET_REV() SMC_inw( ioaddr, REV_REG )
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-16 04:21:25 +0000