diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/common.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/enh_desc.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/norm_desc.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 205 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 21 |
8 files changed, 129 insertions, 118 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index d0b814e..0319d64 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -67,6 +67,7 @@ struct stmmac_extra_stats { unsigned long ipc_csum_error; unsigned long rx_collision; unsigned long rx_crc; + unsigned long dribbling_bit; unsigned long rx_length; unsigned long rx_mii; unsigned long rx_multicast; diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c index d879763..ad1b627 100644 --- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c @@ -201,7 +201,7 @@ static int enh_desc_get_rx_status(void *data, struct stmmac_extra_stats *x, if (unlikely(p->des01.erx.dribbling)) { CHIP_DBG(KERN_ERR "GMAC RX: dribbling error\n"); - ret = discard_frame; + x->dribbling_bit++; } if (unlikely(p->des01.erx.sa_filter_fail)) { CHIP_DBG(KERN_ERR "GMAC RX : Source Address filter fail\n"); diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c index fda5d2b..25953bb 100644 --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c @@ -104,7 +104,7 @@ static int ndesc_get_rx_status(void *data, struct stmmac_extra_stats *x, ret = discard_frame; } if (unlikely(p->des01.rx.dribbling)) - ret = discard_frame; + x->dribbling_bit++; if (unlikely(p->des01.rx.length_error)) { x->rx_length++; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 1207400..b4b095f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -21,7 +21,7 @@ *******************************************************************************/ #define STMMAC_RESOURCE_NAME "stmmaceth" -#define DRV_MODULE_VERSION "Dec_2011" +#define DRV_MODULE_VERSION "Feb_2012" #include <linux/stmmac.h> #include <linux/phy.h> #include "common.h" @@ -97,4 +97,5 @@ int stmmac_resume(struct net_device *ndev); int stmmac_suspend(struct net_device *ndev); int stmmac_dvr_remove(struct net_device *ndev); struct stmmac_priv *stmmac_dvr_probe(struct device *device, - struct plat_stmmacenet_data *plat_dat); + struct plat_stmmacenet_data *plat_dat, + void __iomem *addr); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index 9573303..f98e151 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -47,23 +47,25 @@ struct stmmac_stats { offsetof(struct stmmac_priv, xstats.m)} static const struct stmmac_stats stmmac_gstrings_stats[] = { + /* Transmit errors */ STMMAC_STAT(tx_underflow), STMMAC_STAT(tx_carrier), STMMAC_STAT(tx_losscarrier), STMMAC_STAT(vlan_tag), STMMAC_STAT(tx_deferred), STMMAC_STAT(tx_vlan), - STMMAC_STAT(rx_vlan), STMMAC_STAT(tx_jabber), STMMAC_STAT(tx_frame_flushed), STMMAC_STAT(tx_payload_error), STMMAC_STAT(tx_ip_header_error), + /* Receive errors */ STMMAC_STAT(rx_desc), STMMAC_STAT(sa_filter_fail), STMMAC_STAT(overflow_error), STMMAC_STAT(ipc_csum_error), STMMAC_STAT(rx_collision), STMMAC_STAT(rx_crc), + STMMAC_STAT(dribbling_bit), STMMAC_STAT(rx_length), STMMAC_STAT(rx_mii), STMMAC_STAT(rx_multicast), @@ -73,6 +75,8 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = { STMMAC_STAT(sa_rx_filter_fail), STMMAC_STAT(rx_missed_cntr), STMMAC_STAT(rx_overflow_cntr), + STMMAC_STAT(rx_vlan), + /* Tx/Rx IRQ errors */ STMMAC_STAT(tx_undeflow_irq), STMMAC_STAT(tx_process_stopped_irq), STMMAC_STAT(tx_jabber_irq), @@ -82,6 +86,7 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = { STMMAC_STAT(rx_watchdog_irq), STMMAC_STAT(tx_early_irq), STMMAC_STAT(fatal_bus_error_irq), + /* Extra info */ STMMAC_STAT(threshold), STMMAC_STAT(tx_pkt_n), STMMAC_STAT(rx_pkt_n), diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index ab36dfc..e85ffbd 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -241,7 +241,7 @@ static void stmmac_adjust_link(struct net_device *dev) case 1000: if (likely(priv->plat->has_gmac)) ctrl &= ~priv->hw->link.port; - stmmac_hw_fix_mac_speed(priv); + stmmac_hw_fix_mac_speed(priv); break; case 100: case 10: @@ -785,7 +785,7 @@ static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv) u32 uid = ((hwid & 0x0000ff00) >> 8); u32 synid = (hwid & 0x000000ff); - pr_info("STMMAC - user ID: 0x%x, Synopsys ID: 0x%x\n", + pr_info("stmmac - user ID: 0x%x, Synopsys ID: 0x%x\n", uid, synid); return synid; @@ -869,38 +869,6 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv) return hw_cap; } -/** - * stmmac_mac_device_setup - * @dev : device pointer - * Description: this is to attach the GMAC or MAC 10/100 - * main core structures that will be completed during the - * open step. - */ -static int stmmac_mac_device_setup(struct net_device *dev) -{ - struct stmmac_priv *priv = netdev_priv(dev); - - struct mac_device_info *device; - - if (priv->plat->has_gmac) - device = dwmac1000_setup(priv->ioaddr); - else - device = dwmac100_setup(priv->ioaddr); - - if (!device) - return -ENOMEM; - - priv->hw = device; - priv->hw->ring = &ring_mode_ops; - - if (device_can_wakeup(priv->device)) { - priv->wolopts = WAKE_MAGIC; /* Magic Frame as default */ - enable_irq_wake(priv->wol_irq); - } - - return 0; -} - static void stmmac_check_ether_addr(struct stmmac_priv *priv) { /* verify if the MAC address is valid, in case of failures it @@ -930,20 +898,8 @@ static int stmmac_open(struct net_device *dev) struct stmmac_priv *priv = netdev_priv(dev); int ret; - /* MAC HW device setup */ - ret = stmmac_mac_device_setup(dev); - if (ret < 0) - return ret; - stmmac_check_ether_addr(priv); - stmmac_verify_args(); - - /* Override with kernel parameters if supplied XXX CRS XXX - * this needs to have multiple instances */ - if ((phyaddr >= 0) && (phyaddr <= 31)) - priv->plat->phy_addr = phyaddr; - /* MDIO bus Registration */ ret = stmmac_mdio_register(dev); if (ret < 0) { @@ -975,44 +931,6 @@ static int stmmac_open(struct net_device *dev) goto open_error; } - stmmac_get_synopsys_id(priv); - - priv->hw_cap_support = stmmac_get_hw_features(priv); - - if (priv->hw_cap_support) { - pr_info(" Support DMA HW capability register"); - - /* We can override some gmac/dma configuration fields: e.g. - * enh_desc, tx_coe (e.g. that are passed through the - * platform) with the values from the HW capability - * register (if supported). - */ - priv->plat->enh_desc = priv->dma_cap.enh_desc; - priv->plat->tx_coe = priv->dma_cap.tx_coe; - priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up; - - /* By default disable wol on magic frame if not supported */ - if (!priv->dma_cap.pmt_magic_frame) - priv->wolopts &= ~WAKE_MAGIC; - - } else - pr_info(" No HW DMA feature register supported"); - - /* Select the enhnaced/normal descriptor structures */ - stmmac_selec_desc_mode(priv); - - /* PMT module is not integrated in all the MAC devices. */ - if (priv->plat->pmt) { - pr_info(" Remote wake-up capable\n"); - device_set_wakeup_capable(priv->device, 1); - } - - priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr); - if (priv->rx_coe) - pr_info(" Checksum Offload Engine supported\n"); - if (priv->plat->tx_coe) - pr_info(" Checksum insertion supported\n"); - /* Create and initialize the TX/RX descriptors chains. */ priv->dma_tx_size = STMMAC_ALIGN(dma_txsize); priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize); @@ -1029,14 +947,14 @@ static int stmmac_open(struct net_device *dev) /* Copy the MAC addr into the HW */ priv->hw->mac->set_umac_addr(priv->ioaddr, dev->dev_addr, 0); + /* If required, perform hw setup of the bus. */ if (priv->plat->bus_setup) priv->plat->bus_setup(priv->ioaddr); + /* Initialize the MAC Core */ priv->hw->mac->core_init(priv->ioaddr); - netdev_update_features(dev); - /* Request the IRQ lines */ ret = request_irq(dev->irq, stmmac_interrupt, IRQF_SHARED, dev->name, dev); @@ -1046,6 +964,17 @@ static int stmmac_open(struct net_device *dev) goto open_error; } + /* Request the Wake IRQ in case of another line is used for WoL */ + if (priv->wol_irq != dev->irq) { + ret = request_irq(priv->wol_irq, stmmac_interrupt, + IRQF_SHARED, dev->name, dev); + if (unlikely(ret < 0)) { + pr_err("%s: ERROR: allocating the ext WoL IRQ %d " + "(error: %d)\n", __func__, priv->wol_irq, ret); + goto open_error_wolirq; + } + } + /* Enable the MAC Rx/Tx */ stmmac_set_mac(priv->ioaddr, true); @@ -1061,7 +990,7 @@ static int stmmac_open(struct net_device *dev) #ifdef CONFIG_STMMAC_DEBUG_FS ret = stmmac_init_fs(dev); if (ret < 0) - pr_warning("\tFailed debugFS registration"); + pr_warning("%s: failed debugFS registration\n", __func__); #endif /* Start the ball rolling... */ DBG(probe, DEBUG, "%s: DMA RX/TX processes started...\n", dev->name); @@ -1071,6 +1000,7 @@ static int stmmac_open(struct net_device *dev) #ifdef CONFIG_STMMAC_TIMER priv->tm->timer_start(tmrate); #endif + /* Dump DMA/MAC registers */ if (netif_msg_hw(priv)) { priv->hw->mac->dump_regs(priv->ioaddr); @@ -1086,6 +1016,9 @@ static int stmmac_open(struct net_device *dev) return 0; +open_error_wolirq: + free_irq(dev->irq, dev); + open_error: #ifdef CONFIG_STMMAC_TIMER kfree(priv->tm); @@ -1126,6 +1059,8 @@ static int stmmac_release(struct net_device *dev) /* Free the IRQ lines */ free_irq(dev->irq, dev); + if (priv->wol_irq != dev->irq) + free_irq(priv->wol_irq, dev); /* Stop TX/RX DMA and clear the descriptors */ priv->hw->dma->stop_tx(priv->ioaddr); @@ -1788,13 +1723,77 @@ static const struct net_device_ops stmmac_netdev_ops = { }; /** + * stmmac_hw_init - Init the MAC device + * @priv : pointer to the private device structure. + * Description: this function detects which MAC device + * (GMAC/MAC10-100) has to attached, checks the HW capability + * (if supported) and sets the driver's features (for example + * to use the ring or chaine mode or support the normal/enh + * descriptor structure). + */ +static int stmmac_hw_init(struct stmmac_priv *priv) +{ + int ret = 0; + struct mac_device_info *mac; + + /* Identify the MAC HW device */ + if (priv->plat->has_gmac) + mac = dwmac1000_setup(priv->ioaddr); + else + mac = dwmac100_setup(priv->ioaddr); + if (!mac) + return -ENOMEM; + + priv->hw = mac; + + /* To use the chained or ring mode */ + priv->hw->ring = &ring_mode_ops; + + /* Get and dump the chip ID */ + stmmac_get_synopsys_id(priv); + + /* Get the HW capability (new GMAC newer than 3.50a) */ + priv->hw_cap_support = stmmac_get_hw_features(priv); + if (priv->hw_cap_support) { + pr_info(" DMA HW capability register supported"); + + /* We can override some gmac/dma configuration fields: e.g. + * enh_desc, tx_coe (e.g. that are passed through the + * platform) with the values from the HW capability + * register (if supported). + */ + priv->plat->enh_desc = priv->dma_cap.enh_desc; + priv->plat->tx_coe = priv->dma_cap.tx_coe; + priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up; + } else + pr_info(" No HW DMA feature register supported"); + + /* Select the enhnaced/normal descriptor structures */ + stmmac_selec_desc_mode(priv); + + priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr); + if (priv->rx_coe) + pr_info(" RX Checksum Offload Engine supported\n"); + if (priv->plat->tx_coe) + pr_info(" TX Checksum insertion supported\n"); + + if (priv->plat->pmt) { + pr_info(" Wake-Up On Lan supported\n"); + device_set_wakeup_capable(priv->device, 1); + } + + return ret; +} + +/** * stmmac_dvr_probe * @device: device pointer * Description: this is the main probe function used to * call the alloc_etherdev, allocate the priv structure. */ struct stmmac_priv *stmmac_dvr_probe(struct device *device, - struct plat_stmmacenet_data *plat_dat) + struct plat_stmmacenet_data *plat_dat, + void __iomem *addr) { int ret = 0; struct net_device *ndev = NULL; @@ -1812,10 +1811,27 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device, ether_setup(ndev); - ndev->netdev_ops = &stmmac_netdev_ops; stmmac_set_ethtool_ops(ndev); + priv->pause = pause; + priv->plat = plat_dat; + priv->ioaddr = addr; + priv->dev->base_addr = (unsigned long)addr; + + /* Verify driver arguments */ + stmmac_verify_args(); + + /* Override with kernel parameters if supplied XXX CRS XXX + * this needs to have multiple instances */ + if ((phyaddr >= 0) && (phyaddr <= 31)) + priv->plat->phy_addr = phyaddr; + + /* Init MAC and get the capabilities */ + stmmac_hw_init(priv); + + ndev->netdev_ops = &stmmac_netdev_ops; - ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_RXCSUM; ndev->features |= ndev->hw_features | NETIF_F_HIGHDMA; ndev->watchdog_timeo = msecs_to_jiffies(watchdog); #ifdef STMMAC_VLAN_TAG_USED @@ -1827,8 +1843,6 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device, if (flow_ctrl) priv->flow_ctrl = FLOW_AUTO; /* RX/TX pause on */ - priv->pause = pause; - priv->plat = plat_dat; netif_napi_add(ndev, &priv->napi, stmmac_poll, 64); spin_lock_init(&priv->lock); @@ -1836,15 +1850,10 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device, ret = register_netdev(ndev); if (ret) { - pr_err("%s: ERROR %i registering the device\n", - __func__, ret); + pr_err("%s: ERROR %i registering the device\n", __func__, ret); goto error; } - DBG(probe, DEBUG, "%s: Scatter/Gather: %s - HW checksums: %s\n", - ndev->name, (ndev->features & NETIF_F_SG) ? "on" : "off", - (ndev->features & NETIF_F_IP_CSUM) ? "on" : "off"); - return priv; error: diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c index 4e12884..da66ed7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c @@ -96,13 +96,11 @@ static int __devinit stmmac_pci_probe(struct pci_dev *pdev, stmmac_default_data(); - priv = stmmac_dvr_probe(&(pdev->dev), &plat_dat); + priv = stmmac_dvr_probe(&(pdev->dev), &plat_dat, addr); if (!priv) { pr_err("%s: main driver probe failed", __func__); goto err_out; } - priv->ioaddr = addr; - priv->dev->base_addr = (unsigned long)addr; priv->dev->irq = pdev->irq; priv->wol_irq = pdev->irq; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 11af27e..3aad981 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -59,16 +59,20 @@ static int stmmac_pltfr_probe(struct platform_device *pdev) goto out_release_region; } plat_dat = pdev->dev.platform_data; - priv = stmmac_dvr_probe(&(pdev->dev), plat_dat); + + /* Custom initialisation (if needed)*/ + if (plat_dat->init) { + ret = plat_dat->init(pdev); + if (unlikely(ret)) + goto out_unmap; + } + + priv = stmmac_dvr_probe(&(pdev->dev), plat_dat, addr); if (!priv) { pr_err("%s: main driver probe failed", __func__); goto out_unmap; } - priv->ioaddr = addr; - /* Set the I/O base addr */ - priv->dev->base_addr = (unsigned long)addr; - /* Get the MAC information */ priv->dev->irq = platform_get_irq_byname(pdev, "macirq"); if (priv->dev->irq == -ENXIO) { @@ -92,13 +96,6 @@ static int stmmac_pltfr_probe(struct platform_device *pdev) platform_set_drvdata(pdev, priv->dev); - /* Custom initialisation */ - if (priv->plat->init) { - ret = priv->plat->init(pdev); - if (unlikely(ret)) - goto out_unmap; - } - pr_debug("STMMAC platform driver registration completed"); return 0; |