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authorNicolas Pitre <nico@cam.org>2005-04-12 16:21:11 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-05-27 22:21:16 -0400
commit8de901150f3c58b019b2a3ce497d23ab662dbb8b (patch)
tree87f9bd69ab2b40cd51041a13022bfaa5755d516b /drivers/net
parenteb1d6988130d5f2716ba1d53197caab0fdc31b94 (diff)
[PATCH] smc91x: improve diagnostic info
... and remove duplicate status defines. Signed-off-by: Nicolas Pitre <nico@cam.org> Index: linux-2.6/drivers/net/smc91x.c ===================================================================
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/smc91x.c30
-rw-r--r--drivers/net/smc91x.h9
2 files changed, 20 insertions, 19 deletions
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index 1e2b860dab2..a6c0628fdb2 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -792,17 +792,20 @@ 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 +1239,7 @@ 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)) {
@@ -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);
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index c3bf0cf7cf9..946528e6b74 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -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 )