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author | Francois Romieu <romieu@fr.zoreil.com> | 2012-01-07 21:39:37 (GMT) |
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committer | Francois Romieu <romieu@fr.zoreil.com> | 2012-01-07 22:02:38 (GMT) |
commit | fc3e0f8aec05dd812cba2c1e31c3d1f5fc85e55c (patch) | |
tree | 080fdb2ce9efb232296727d1c84e9cc3eb2ed3f1 /drivers | |
parent | a384a33bb1c9ec2d99db2046b41f57023fa7d77b (diff) | |
download | linux-fsl-qoriq-fc3e0f8aec05dd812cba2c1e31c3d1f5fc85e55c.tar.xz |
via-rhine: per device debug level.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | 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); |