via-rhine: per device debug level.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
This commit is contained in:
Francois Romieu
parent
a384a33bb1
commit
fc3e0f8aec
@ -39,9 +39,9 @@
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/* A few user-configurable values.
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These may be modified when a driver module is loaded. */
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#define DEBUG
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static int debug = 1; /* 1 normal messages, 0 quiet .. 7 verbose. */
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static int debug = 0;
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#define RHINE_MSG_DEFAULT \
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(0x0000)
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/* Set the copy breakpoint for the copy-only-tiny-frames scheme.
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Setting to > 1518 effectively disables this feature. */
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@ -130,7 +130,7 @@ MODULE_LICENSE("GPL");
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module_param(debug, int, 0);
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module_param(rx_copybreak, int, 0);
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module_param(avoid_D3, bool, 0);
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MODULE_PARM_DESC(debug, "VIA Rhine debug level (0-7)");
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MODULE_PARM_DESC(debug, "VIA Rhine debug message flags");
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MODULE_PARM_DESC(rx_copybreak, "VIA Rhine copy breakpoint for copy-only-tiny-frames");
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MODULE_PARM_DESC(avoid_D3, "Avoid power state D3 (work-around for broken BIOSes)");
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@ -450,6 +450,8 @@ struct rhine_private {
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struct work_struct slow_event_task;
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struct work_struct reset_task;
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u32 msg_enable;
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/* Frequently used values: keep some adjacent for cache effect. */
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u32 quirks;
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struct rx_desc *rx_head_desc;
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@ -512,8 +514,8 @@ static void rhine_wait_bit(struct rhine_private *rp, u8 reg, u8 mask, bool high)
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udelay(10);
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}
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if (i > 64) {
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netdev_dbg(rp->dev, "%s bit wait (%02x/%02x) cycle "
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"count: %04d\n", high ? "high" : "low", reg, mask, i);
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netif_dbg(rp, hw, rp->dev, "%s bit wait (%02x/%02x) cycle "
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"count: %04d\n", high ? "high" : "low", reg, mask, i);
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}
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}
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@ -613,6 +615,7 @@ static void rhine_chip_reset(struct net_device *dev)
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{
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struct rhine_private *rp = netdev_priv(dev);
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void __iomem *ioaddr = rp->base;
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u8 cmd1;
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iowrite8(Cmd1Reset, ioaddr + ChipCmd1);
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IOSYNC;
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@ -628,10 +631,9 @@ static void rhine_chip_reset(struct net_device *dev)
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rhine_wait_bit_low(rp, ChipCmd1, Cmd1Reset);
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}
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if (debug > 1)
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netdev_info(dev, "Reset %s\n",
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(ioread8(ioaddr + ChipCmd1) & Cmd1Reset) ?
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"failed" : "succeeded");
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cmd1 = ioread8(ioaddr + ChipCmd1);
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netif_info(rp, hw, dev, "Reset %s\n", (cmd1 & Cmd1Reset) ?
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"failed" : "succeeded");
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}
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#ifdef USE_MMIO
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@ -706,28 +708,24 @@ static void rhine_tx_err(struct rhine_private *rp, u32 status)
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struct net_device *dev = rp->dev;
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if (status & IntrTxAborted) {
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if (debug > 1)
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netdev_info(dev, "Abort %08x, frame dropped\n", status);
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netif_info(rp, tx_err, dev,
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"Abort %08x, frame dropped\n", status);
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}
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if (status & IntrTxUnderrun) {
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rhine_kick_tx_threshold(rp);
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if (debug > 1)
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netdev_info(dev, "Transmitter underrun, Tx threshold now %02x\n",
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rp->tx_thresh);
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netif_info(rp, tx_err ,dev, "Transmitter underrun, "
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"Tx threshold now %02x\n", rp->tx_thresh);
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}
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if (status & IntrTxDescRace) {
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if (debug > 2)
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netdev_info(dev, "Tx descriptor write-back race\n");
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}
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if (status & IntrTxDescRace)
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netif_info(rp, tx_err, dev, "Tx descriptor write-back race\n");
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if ((status & IntrTxError) &&
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(status & (IntrTxAborted | IntrTxUnderrun | IntrTxDescRace)) == 0) {
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rhine_kick_tx_threshold(rp);
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if (debug > 1)
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netdev_info(dev, "Unspecified error. Tx threshold now %02x\n",
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rp->tx_thresh);
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netif_info(rp, tx_err, dev, "Unspecified error. "
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"Tx threshold now %02x\n", rp->tx_thresh);
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}
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rhine_restart_tx(dev);
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@ -789,16 +787,12 @@ static int rhine_napipoll(struct napi_struct *napi, int budget)
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if (status & RHINE_EVENT_NAPI_TX) {
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if (status & RHINE_EVENT_NAPI_TX_ERR) {
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u8 cmd;
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/* Avoid scavenging before Tx engine turned off */
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rhine_wait_bit_low(rp, ChipCmd, CmdTxOn);
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cmd = ioread8(ioaddr + ChipCmd);
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if ((cmd & CmdTxOn) && (debug > 2)) {
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netdev_warn(dev, "%s: Tx engine still on\n",
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__func__);
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}
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if (ioread8(ioaddr + ChipCmd) & CmdTxOn)
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netif_warn(rp, tx_err, dev, "Tx still on\n");
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}
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rhine_tx(dev);
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if (status & RHINE_EVENT_NAPI_TX_ERR)
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@ -943,6 +937,7 @@ static int __devinit rhine_init_one(struct pci_dev *pdev,
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rp->quirks = quirks;
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rp->pioaddr = pioaddr;
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rp->pdev = pdev;
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rp->msg_enable = netif_msg_init(debug, RHINE_MSG_DEFAULT);
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rc = pci_request_regions(pdev, DRV_NAME);
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if (rc)
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@ -1064,8 +1059,8 @@ static int __devinit rhine_init_one(struct pci_dev *pdev,
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}
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}
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rp->mii_if.phy_id = phy_id;
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if (debug > 1 && avoid_D3)
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netdev_info(dev, "No D3 power state at shutdown\n");
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if (avoid_D3)
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netif_info(rp, probe, dev, "No D3 power state at shutdown\n");
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return 0;
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@ -1241,7 +1236,7 @@ static void rhine_check_media(struct net_device *dev, unsigned int init_media)
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struct rhine_private *rp = netdev_priv(dev);
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void __iomem *ioaddr = rp->base;
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mii_check_media(&rp->mii_if, debug, init_media);
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mii_check_media(&rp->mii_if, netif_msg_link(rp), init_media);
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if (rp->mii_if.full_duplex)
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iowrite8(ioread8(ioaddr + ChipCmd1) | Cmd1FDuplex,
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@ -1249,24 +1244,26 @@ static void rhine_check_media(struct net_device *dev, unsigned int init_media)
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else
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iowrite8(ioread8(ioaddr + ChipCmd1) & ~Cmd1FDuplex,
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ioaddr + ChipCmd1);
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if (debug > 1)
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netdev_info(dev, "force_media %d, carrier %d\n",
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rp->mii_if.force_media, netif_carrier_ok(dev));
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netif_info(rp, link, dev, "force_media %d, carrier %d\n",
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rp->mii_if.force_media, netif_carrier_ok(dev));
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}
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/* Called after status of force_media possibly changed */
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static void rhine_set_carrier(struct mii_if_info *mii)
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{
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struct net_device *dev = mii->dev;
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struct rhine_private *rp = netdev_priv(dev);
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if (mii->force_media) {
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/* autoneg is off: Link is always assumed to be up */
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if (!netif_carrier_ok(mii->dev))
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netif_carrier_on(mii->dev);
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}
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else /* Let MMI library update carrier status */
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rhine_check_media(mii->dev, 0);
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if (debug > 1)
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netdev_info(mii->dev, "force_media %d, carrier %d\n",
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mii->force_media, netif_carrier_ok(mii->dev));
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if (!netif_carrier_ok(dev))
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netif_carrier_on(dev);
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} else /* Let MMI library update carrier status */
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rhine_check_media(dev, 0);
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netif_info(rp, link, dev, "force_media %d, carrier %d\n",
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mii->force_media, netif_carrier_ok(dev));
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}
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/**
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@ -1570,8 +1567,7 @@ static int rhine_open(struct net_device *dev)
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if (rc)
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return rc;
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if (debug > 1)
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netdev_dbg(dev, "%s() irq %d\n", __func__, rp->pdev->irq);
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netif_dbg(rp, ifup, dev, "%s() irq %d\n", __func__, rp->pdev->irq);
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rc = alloc_ring(dev);
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if (rc) {
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@ -1583,10 +1579,10 @@ static int rhine_open(struct net_device *dev)
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rhine_chip_reset(dev);
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rhine_task_enable(rp);
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init_registers(dev);
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if (debug > 2)
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netdev_dbg(dev, "%s() Done - status %04x MII status: %04x\n",
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__func__, ioread16(ioaddr + ChipCmd),
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mdio_read(dev, rp->mii_if.phy_id, MII_BMSR));
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netif_dbg(rp, ifup, dev, "%s() Done - status %04x MII status: %04x\n",
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__func__, ioread16(ioaddr + ChipCmd),
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mdio_read(dev, rp->mii_if.phy_id, MII_BMSR));
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netif_start_queue(dev);
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@ -1716,10 +1712,9 @@ static netdev_tx_t rhine_start_tx(struct sk_buff *skb,
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if (rp->cur_tx == rp->dirty_tx + TX_QUEUE_LEN)
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netif_stop_queue(dev);
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if (debug > 4) {
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netdev_dbg(dev, "Transmit frame #%d queued in slot %d\n",
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rp->cur_tx-1, entry);
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}
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netif_dbg(rp, tx_queued, dev, "Transmit frame #%d queued in slot %d\n",
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rp->cur_tx - 1, entry);
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return NETDEV_TX_OK;
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}
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@ -1740,8 +1735,7 @@ static irqreturn_t rhine_interrupt(int irq, void *dev_instance)
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status = rhine_get_events(rp);
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if (debug > 4)
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netdev_dbg(dev, "Interrupt, status %08x\n", status);
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netif_dbg(rp, intr, dev, "Interrupt, status %08x\n", status);
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if (status & RHINE_EVENT) {
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handled = 1;
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@ -1751,9 +1745,8 @@ static irqreturn_t rhine_interrupt(int irq, void *dev_instance)
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}
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if (status & ~(IntrLinkChange | IntrStatsMax | RHINE_EVENT_NAPI)) {
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if (debug > 1)
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netdev_err(dev, "Something Wicked happened! %08x\n",
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status);
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netif_err(rp, intr, dev, "Something Wicked happened! %08x\n",
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status);
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}
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return IRQ_RETVAL(handled);
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@ -1769,15 +1762,13 @@ static void rhine_tx(struct net_device *dev)
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/* find and cleanup dirty tx descriptors */
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while (rp->dirty_tx != rp->cur_tx) {
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txstatus = le32_to_cpu(rp->tx_ring[entry].tx_status);
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if (debug > 6)
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netdev_dbg(dev, "Tx scavenge %d status %08x\n",
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entry, txstatus);
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netif_dbg(rp, tx_done, dev, "Tx scavenge %d status %08x\n",
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entry, txstatus);
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if (txstatus & DescOwn)
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break;
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if (txstatus & 0x8000) {
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if (debug > 1)
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netdev_dbg(dev, "Transmit error, Tx status %08x\n",
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txstatus);
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netif_dbg(rp, tx_done, dev,
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"Transmit error, Tx status %08x\n", txstatus);
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dev->stats.tx_errors++;
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if (txstatus & 0x0400)
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dev->stats.tx_carrier_errors++;
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@ -1799,10 +1790,8 @@ static void rhine_tx(struct net_device *dev)
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dev->stats.collisions += (txstatus >> 3) & 0x0F;
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else
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dev->stats.collisions += txstatus & 0x0F;
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if (debug > 6)
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netdev_dbg(dev, "collisions: %1.1x:%1.1x\n",
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(txstatus >> 3) & 0xF,
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txstatus & 0xF);
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netif_dbg(rp, tx_done, dev, "collisions: %1.1x:%1.1x\n",
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(txstatus >> 3) & 0xF, txstatus & 0xF);
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dev->stats.tx_bytes += rp->tx_skbuff[entry]->len;
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dev->stats.tx_packets++;
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}
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@ -1843,11 +1832,8 @@ static int rhine_rx(struct net_device *dev, int limit)
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int count;
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int entry = rp->cur_rx % RX_RING_SIZE;
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if (debug > 4) {
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netdev_dbg(dev, "%s(), entry %d status %08x\n",
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__func__, entry,
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le32_to_cpu(rp->rx_head_desc->rx_status));
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}
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netif_dbg(rp, rx_status, dev, "%s(), entry %d status %08x\n", __func__,
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entry, le32_to_cpu(rp->rx_head_desc->rx_status));
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/* If EOP is set on the next entry, it's a new packet. Send it up. */
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for (count = 0; count < limit; ++count) {
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@ -1859,9 +1845,8 @@ static int rhine_rx(struct net_device *dev, int limit)
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if (desc_status & DescOwn)
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break;
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if (debug > 4)
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netdev_dbg(dev, "%s() status is %08x\n",
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__func__, desc_status);
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netif_dbg(rp, rx_status, dev, "%s() status %08x\n", __func__,
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desc_status);
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if ((desc_status & (RxWholePkt | RxErr)) != RxWholePkt) {
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if ((desc_status & RxWholePkt) != RxWholePkt) {
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@ -1877,9 +1862,9 @@ static int rhine_rx(struct net_device *dev, int limit)
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dev->stats.rx_length_errors++;
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} else if (desc_status & RxErr) {
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/* There was a error. */
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if (debug > 2)
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netdev_dbg(dev, "%s() Rx error was %08x\n",
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__func__, desc_status);
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netif_dbg(rp, rx_err, dev,
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"%s() Rx error %08x\n", __func__,
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desc_status);
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dev->stats.rx_errors++;
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if (desc_status & 0x0030)
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dev->stats.rx_length_errors++;
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@ -2000,9 +1985,8 @@ static void rhine_restart_tx(struct net_device *dev) {
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}
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else {
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/* This should never happen */
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if (debug > 1)
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netdev_warn(dev, "%s() Another error occurred %08x\n",
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__func__, intr_status);
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netif_warn(rp, tx_err, dev, "another error occurred %08x\n",
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intr_status);
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}
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}
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@ -2025,6 +2009,9 @@ static void rhine_slow_event_task(struct work_struct *work)
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if (intr_status & IntrLinkChange)
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rhine_check_media(dev, 0);
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if (intr_status & IntrPCIErr)
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netif_warn(rp, hw, dev, "PCI error\n");
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napi_disable(&rp->napi);
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rhine_irq_disable(rp);
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/* Slow and safe. Consider __napi_schedule as a replacement ? */
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@ -2144,12 +2131,16 @@ static u32 netdev_get_link(struct net_device *dev)
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static u32 netdev_get_msglevel(struct net_device *dev)
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{
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return debug;
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struct rhine_private *rp = netdev_priv(dev);
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return rp->msg_enable;
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}
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static void netdev_set_msglevel(struct net_device *dev, u32 value)
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{
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debug = value;
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struct rhine_private *rp = netdev_priv(dev);
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rp->msg_enable = value;
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}
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static void rhine_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
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@ -2222,9 +2213,8 @@ static int rhine_close(struct net_device *dev)
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napi_disable(&rp->napi);
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netif_stop_queue(dev);
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if (debug > 1)
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netdev_dbg(dev, "Shutting down ethercard, status was %04x\n",
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ioread16(ioaddr + ChipCmd));
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netif_dbg(rp, ifdown, dev, "Shutting down ethercard, status was %04x\n",
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ioread16(ioaddr + ChipCmd));
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/* Switch to loopback mode to avoid hardware races. */
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iowrite8(rp->tx_thresh | 0x02, ioaddr + TxConfig);
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@ -2340,9 +2330,8 @@ static int rhine_resume(struct pci_dev *pdev)
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return 0;
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ret = pci_set_power_state(pdev, PCI_D0);
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if (debug > 1)
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netdev_info(dev, "Entering power state D0 %s (%d)\n",
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ret ? "failed" : "succeeded", ret);
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netif_info(rp, drv, dev, "Entering power state D0 %s (%d)\n",
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ret ? "failed" : "succeeded", ret);
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pci_restore_state(pdev);
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