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Message-ID: <20120107225211.GF25021@electric-eye.fr.zoreil.com>
Date: Sat, 7 Jan 2012 23:52:11 +0100
From: Francois Romieu <romieu@...zoreil.com>
To: netdev@...r.kernel.org
Cc: rl@...lgate.ch, Bjarke Istrup Pedersen <gurligebis@...too.org>,
David Miller <davem@...emloft.net>
Subject: [PATCH net-next 6/7] via-rhine: per device debug level.
Signed-off-by: Francois Romieu <romieu@...zoreil.com>
---
drivers/net/ethernet/via/via-rhine.c | 169 ++++++++++++++++------------------
1 files changed, 79 insertions(+), 90 deletions(-)
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 98ec14e..e39802f 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -39,9 +39,9 @@
/* A few user-configurable values.
These may be modified when a driver module is loaded. */
-
-#define DEBUG
-static int debug = 1; /* 1 normal messages, 0 quiet .. 7 verbose. */
+static int debug = 0;
+#define RHINE_MSG_DEFAULT \
+ (0x0000)
/* Set the copy breakpoint for the copy-only-tiny-frames scheme.
Setting to > 1518 effectively disables this feature. */
@@ -130,7 +130,7 @@ MODULE_LICENSE("GPL");
module_param(debug, int, 0);
module_param(rx_copybreak, int, 0);
module_param(avoid_D3, bool, 0);
-MODULE_PARM_DESC(debug, "VIA Rhine debug level (0-7)");
+MODULE_PARM_DESC(debug, "VIA Rhine debug message flags");
MODULE_PARM_DESC(rx_copybreak, "VIA Rhine copy breakpoint for copy-only-tiny-frames");
MODULE_PARM_DESC(avoid_D3, "Avoid power state D3 (work-around for broken BIOSes)");
@@ -450,6 +450,8 @@ struct rhine_private {
struct work_struct slow_event_task;
struct work_struct reset_task;
+ u32 msg_enable;
+
/* Frequently used values: keep some adjacent for cache effect. */
u32 quirks;
struct rx_desc *rx_head_desc;
@@ -512,8 +514,8 @@ static void rhine_wait_bit(struct rhine_private *rp, u8 reg, u8 mask, bool high)
udelay(10);
}
if (i > 64) {
- netdev_dbg(rp->dev, "%s bit wait (%02x/%02x) cycle "
- "count: %04d\n", high ? "high" : "low", reg, mask, i);
+ netif_dbg(rp, hw, rp->dev, "%s bit wait (%02x/%02x) cycle "
+ "count: %04d\n", high ? "high" : "low", reg, mask, i);
}
}
@@ -613,6 +615,7 @@ static void rhine_chip_reset(struct net_device *dev)
{
struct rhine_private *rp = netdev_priv(dev);
void __iomem *ioaddr = rp->base;
+ u8 cmd1;
iowrite8(Cmd1Reset, ioaddr + ChipCmd1);
IOSYNC;
@@ -628,10 +631,9 @@ static void rhine_chip_reset(struct net_device *dev)
rhine_wait_bit_low(rp, ChipCmd1, Cmd1Reset);
}
- if (debug > 1)
- netdev_info(dev, "Reset %s\n",
- (ioread8(ioaddr + ChipCmd1) & Cmd1Reset) ?
- "failed" : "succeeded");
+ cmd1 = ioread8(ioaddr + ChipCmd1);
+ netif_info(rp, hw, dev, "Reset %s\n", (cmd1 & Cmd1Reset) ?
+ "failed" : "succeeded");
}
#ifdef USE_MMIO
@@ -706,28 +708,24 @@ static void rhine_tx_err(struct rhine_private *rp, u32 status)
struct net_device *dev = rp->dev;
if (status & IntrTxAborted) {
- if (debug > 1)
- netdev_info(dev, "Abort %08x, frame dropped\n", status);
+ netif_info(rp, tx_err, dev,
+ "Abort %08x, frame dropped\n", status);
}
if (status & IntrTxUnderrun) {
rhine_kick_tx_threshold(rp);
- if (debug > 1)
- netdev_info(dev, "Transmitter underrun, Tx threshold now %02x\n",
- rp->tx_thresh);
+ netif_info(rp, tx_err ,dev, "Transmitter underrun, "
+ "Tx threshold now %02x\n", rp->tx_thresh);
}
- if (status & IntrTxDescRace) {
- if (debug > 2)
- netdev_info(dev, "Tx descriptor write-back race\n");
- }
+ if (status & IntrTxDescRace)
+ netif_info(rp, tx_err, dev, "Tx descriptor write-back race\n");
if ((status & IntrTxError) &&
(status & (IntrTxAborted | IntrTxUnderrun | IntrTxDescRace)) == 0) {
rhine_kick_tx_threshold(rp);
- if (debug > 1)
- netdev_info(dev, "Unspecified error. Tx threshold now %02x\n",
- rp->tx_thresh);
+ netif_info(rp, tx_err, dev, "Unspecified error. "
+ "Tx threshold now %02x\n", rp->tx_thresh);
}
rhine_restart_tx(dev);
@@ -789,16 +787,12 @@ static int rhine_napipoll(struct napi_struct *napi, int budget)
if (status & RHINE_EVENT_NAPI_TX) {
if (status & RHINE_EVENT_NAPI_TX_ERR) {
- u8 cmd;
-
/* Avoid scavenging before Tx engine turned off */
rhine_wait_bit_low(rp, ChipCmd, CmdTxOn);
- cmd = ioread8(ioaddr + ChipCmd);
- if ((cmd & CmdTxOn) && (debug > 2)) {
- netdev_warn(dev, "%s: Tx engine still on\n",
- __func__);
- }
+ if (ioread8(ioaddr + ChipCmd) & CmdTxOn)
+ netif_warn(rp, tx_err, dev, "Tx still on\n");
}
+
rhine_tx(dev);
if (status & RHINE_EVENT_NAPI_TX_ERR)
@@ -943,6 +937,7 @@ static int __devinit rhine_init_one(struct pci_dev *pdev,
rp->quirks = quirks;
rp->pioaddr = pioaddr;
rp->pdev = pdev;
+ rp->msg_enable = netif_msg_init(debug, RHINE_MSG_DEFAULT);
rc = pci_request_regions(pdev, DRV_NAME);
if (rc)
@@ -1064,8 +1059,8 @@ static int __devinit rhine_init_one(struct pci_dev *pdev,
}
}
rp->mii_if.phy_id = phy_id;
- if (debug > 1 && avoid_D3)
- netdev_info(dev, "No D3 power state at shutdown\n");
+ if (avoid_D3)
+ netif_info(rp, probe, dev, "No D3 power state at shutdown\n");
return 0;
@@ -1241,7 +1236,7 @@ static void rhine_check_media(struct net_device *dev, unsigned int init_media)
struct rhine_private *rp = netdev_priv(dev);
void __iomem *ioaddr = rp->base;
- mii_check_media(&rp->mii_if, debug, init_media);
+ mii_check_media(&rp->mii_if, netif_msg_link(rp), init_media);
if (rp->mii_if.full_duplex)
iowrite8(ioread8(ioaddr + ChipCmd1) | Cmd1FDuplex,
@@ -1249,24 +1244,26 @@ static void rhine_check_media(struct net_device *dev, unsigned int init_media)
else
iowrite8(ioread8(ioaddr + ChipCmd1) & ~Cmd1FDuplex,
ioaddr + ChipCmd1);
- if (debug > 1)
- netdev_info(dev, "force_media %d, carrier %d\n",
- rp->mii_if.force_media, netif_carrier_ok(dev));
+
+ netif_info(rp, link, dev, "force_media %d, carrier %d\n",
+ rp->mii_if.force_media, netif_carrier_ok(dev));
}
/* Called after status of force_media possibly changed */
static void rhine_set_carrier(struct mii_if_info *mii)
{
+ struct net_device *dev = mii->dev;
+ struct rhine_private *rp = netdev_priv(dev);
+
if (mii->force_media) {
/* autoneg is off: Link is always assumed to be up */
- if (!netif_carrier_ok(mii->dev))
- netif_carrier_on(mii->dev);
- }
- else /* Let MMI library update carrier status */
- rhine_check_media(mii->dev, 0);
- if (debug > 1)
- netdev_info(mii->dev, "force_media %d, carrier %d\n",
- mii->force_media, netif_carrier_ok(mii->dev));
+ if (!netif_carrier_ok(dev))
+ netif_carrier_on(dev);
+ } else /* Let MMI library update carrier status */
+ rhine_check_media(dev, 0);
+
+ netif_info(rp, link, dev, "force_media %d, carrier %d\n",
+ mii->force_media, netif_carrier_ok(dev));
}
/**
@@ -1570,8 +1567,7 @@ static int rhine_open(struct net_device *dev)
if (rc)
return rc;
- if (debug > 1)
- netdev_dbg(dev, "%s() irq %d\n", __func__, rp->pdev->irq);
+ netif_dbg(rp, ifup, dev, "%s() irq %d\n", __func__, rp->pdev->irq);
rc = alloc_ring(dev);
if (rc) {
@@ -1583,10 +1579,10 @@ static int rhine_open(struct net_device *dev)
rhine_chip_reset(dev);
rhine_task_enable(rp);
init_registers(dev);
- if (debug > 2)
- netdev_dbg(dev, "%s() Done - status %04x MII status: %04x\n",
- __func__, ioread16(ioaddr + ChipCmd),
- mdio_read(dev, rp->mii_if.phy_id, MII_BMSR));
+
+ netif_dbg(rp, ifup, dev, "%s() Done - status %04x MII status: %04x\n",
+ __func__, ioread16(ioaddr + ChipCmd),
+ mdio_read(dev, rp->mii_if.phy_id, MII_BMSR));
netif_start_queue(dev);
@@ -1716,10 +1712,9 @@ static netdev_tx_t rhine_start_tx(struct sk_buff *skb,
if (rp->cur_tx == rp->dirty_tx + TX_QUEUE_LEN)
netif_stop_queue(dev);
- if (debug > 4) {
- netdev_dbg(dev, "Transmit frame #%d queued in slot %d\n",
- rp->cur_tx-1, entry);
- }
+ netif_dbg(rp, tx_queued, dev, "Transmit frame #%d queued in slot %d\n",
+ rp->cur_tx - 1, entry);
+
return NETDEV_TX_OK;
}
@@ -1740,8 +1735,7 @@ static irqreturn_t rhine_interrupt(int irq, void *dev_instance)
status = rhine_get_events(rp);
- if (debug > 4)
- netdev_dbg(dev, "Interrupt, status %08x\n", status);
+ netif_dbg(rp, intr, dev, "Interrupt, status %08x\n", status);
if (status & RHINE_EVENT) {
handled = 1;
@@ -1751,9 +1745,8 @@ static irqreturn_t rhine_interrupt(int irq, void *dev_instance)
}
if (status & ~(IntrLinkChange | IntrStatsMax | RHINE_EVENT_NAPI)) {
- if (debug > 1)
- netdev_err(dev, "Something Wicked happened! %08x\n",
- status);
+ netif_err(rp, intr, dev, "Something Wicked happened! %08x\n",
+ status);
}
return IRQ_RETVAL(handled);
@@ -1769,15 +1762,13 @@ static void rhine_tx(struct net_device *dev)
/* find and cleanup dirty tx descriptors */
while (rp->dirty_tx != rp->cur_tx) {
txstatus = le32_to_cpu(rp->tx_ring[entry].tx_status);
- if (debug > 6)
- netdev_dbg(dev, "Tx scavenge %d status %08x\n",
- entry, txstatus);
+ netif_dbg(rp, tx_done, dev, "Tx scavenge %d status %08x\n",
+ entry, txstatus);
if (txstatus & DescOwn)
break;
if (txstatus & 0x8000) {
- if (debug > 1)
- netdev_dbg(dev, "Transmit error, Tx status %08x\n",
- txstatus);
+ netif_dbg(rp, tx_done, dev,
+ "Transmit error, Tx status %08x\n", txstatus);
dev->stats.tx_errors++;
if (txstatus & 0x0400)
dev->stats.tx_carrier_errors++;
@@ -1799,10 +1790,8 @@ static void rhine_tx(struct net_device *dev)
dev->stats.collisions += (txstatus >> 3) & 0x0F;
else
dev->stats.collisions += txstatus & 0x0F;
- if (debug > 6)
- netdev_dbg(dev, "collisions: %1.1x:%1.1x\n",
- (txstatus >> 3) & 0xF,
- txstatus & 0xF);
+ netif_dbg(rp, tx_done, dev, "collisions: %1.1x:%1.1x\n",
+ (txstatus >> 3) & 0xF, txstatus & 0xF);
dev->stats.tx_bytes += rp->tx_skbuff[entry]->len;
dev->stats.tx_packets++;
}
@@ -1843,11 +1832,8 @@ static int rhine_rx(struct net_device *dev, int limit)
int count;
int entry = rp->cur_rx % RX_RING_SIZE;
- if (debug > 4) {
- netdev_dbg(dev, "%s(), entry %d status %08x\n",
- __func__, entry,
- le32_to_cpu(rp->rx_head_desc->rx_status));
- }
+ netif_dbg(rp, rx_status, dev, "%s(), entry %d status %08x\n", __func__,
+ entry, le32_to_cpu(rp->rx_head_desc->rx_status));
/* If EOP is set on the next entry, it's a new packet. Send it up. */
for (count = 0; count < limit; ++count) {
@@ -1859,9 +1845,8 @@ static int rhine_rx(struct net_device *dev, int limit)
if (desc_status & DescOwn)
break;
- if (debug > 4)
- netdev_dbg(dev, "%s() status is %08x\n",
- __func__, desc_status);
+ netif_dbg(rp, rx_status, dev, "%s() status %08x\n", __func__,
+ desc_status);
if ((desc_status & (RxWholePkt | RxErr)) != RxWholePkt) {
if ((desc_status & RxWholePkt) != RxWholePkt) {
@@ -1877,9 +1862,9 @@ static int rhine_rx(struct net_device *dev, int limit)
dev->stats.rx_length_errors++;
} else if (desc_status & RxErr) {
/* There was a error. */
- if (debug > 2)
- netdev_dbg(dev, "%s() Rx error was %08x\n",
- __func__, desc_status);
+ netif_dbg(rp, rx_err, dev,
+ "%s() Rx error %08x\n", __func__,
+ desc_status);
dev->stats.rx_errors++;
if (desc_status & 0x0030)
dev->stats.rx_length_errors++;
@@ -2000,9 +1985,8 @@ static void rhine_restart_tx(struct net_device *dev) {
}
else {
/* This should never happen */
- if (debug > 1)
- netdev_warn(dev, "%s() Another error occurred %08x\n",
- __func__, intr_status);
+ netif_warn(rp, tx_err, dev, "another error occurred %08x\n",
+ intr_status);
}
}
@@ -2025,6 +2009,9 @@ static void rhine_slow_event_task(struct work_struct *work)
if (intr_status & IntrLinkChange)
rhine_check_media(dev, 0);
+ if (intr_status & IntrPCIErr)
+ netif_warn(rp, hw, dev, "PCI error\n");
+
napi_disable(&rp->napi);
rhine_irq_disable(rp);
/* Slow and safe. Consider __napi_schedule as a replacement ? */
@@ -2144,12 +2131,16 @@ static u32 netdev_get_link(struct net_device *dev)
static u32 netdev_get_msglevel(struct net_device *dev)
{
- return debug;
+ struct rhine_private *rp = netdev_priv(dev);
+
+ return rp->msg_enable;
}
static void netdev_set_msglevel(struct net_device *dev, u32 value)
{
- debug = value;
+ struct rhine_private *rp = netdev_priv(dev);
+
+ rp->msg_enable = value;
}
static void rhine_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
@@ -2222,9 +2213,8 @@ static int rhine_close(struct net_device *dev)
napi_disable(&rp->napi);
netif_stop_queue(dev);
- if (debug > 1)
- netdev_dbg(dev, "Shutting down ethercard, status was %04x\n",
- ioread16(ioaddr + ChipCmd));
+ netif_dbg(rp, ifdown, dev, "Shutting down ethercard, status was %04x\n",
+ ioread16(ioaddr + ChipCmd));
/* Switch to loopback mode to avoid hardware races. */
iowrite8(rp->tx_thresh | 0x02, ioaddr + TxConfig);
@@ -2340,9 +2330,8 @@ static int rhine_resume(struct pci_dev *pdev)
return 0;
ret = pci_set_power_state(pdev, PCI_D0);
- if (debug > 1)
- netdev_info(dev, "Entering power state D0 %s (%d)\n",
- ret ? "failed" : "succeeded", ret);
+ netif_info(rp, drv, dev, "Entering power state D0 %s (%d)\n",
+ ret ? "failed" : "succeeded", ret);
pci_restore_state(pdev);
--
1.7.6.4
--
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