diff --git a/drivers/net/depca.c b/drivers/net/depca.c index 5113eef755b98cbc5104d9e4a4aff493b6a5be67..f3807aaf10aa59d01285a51eaf7e018fece1747f 100644 --- a/drivers/net/depca.c +++ b/drivers/net/depca.c @@ -1491,8 +1491,9 @@ static void __init depca_platform_probe (void) depca_io_ports[i].device = pldev; if (platform_device_add(pldev)) { - platform_device_put(pldev); depca_io_ports[i].device = NULL; + pldev->dev.platform_data = NULL; + platform_device_put(pldev); continue; } diff --git a/drivers/net/hamradio/baycom_ser_fdx.c b/drivers/net/hamradio/baycom_ser_fdx.c index 59214e74b9cf5bcd05ff614bf2a5bb3553afa41a..30baf6ecfc63c6eabe38eaa2dfd40a4b68677148 100644 --- a/drivers/net/hamradio/baycom_ser_fdx.c +++ b/drivers/net/hamradio/baycom_ser_fdx.c @@ -75,12 +75,14 @@ #include #include #include -#include -#include #include #include #include +#include +#include +#include + /* --------------------------------------------------------------------- */ #define BAYCOM_DEBUG diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c index b3750f28427926d29e101b5a0bbd5f58a619e3e6..b2a3b19d773a8c8979bcb066dc9e1059c880cb2d 100644 --- a/drivers/net/sis900.c +++ b/drivers/net/sis900.c @@ -1755,6 +1755,24 @@ static int sis900_rx(struct net_device *net_dev) } else { struct sk_buff * skb; + pci_unmap_single(sis_priv->pci_dev, + sis_priv->rx_ring[entry].bufptr, RX_BUF_SIZE, + PCI_DMA_FROMDEVICE); + + /* refill the Rx buffer, what if there is not enought + * memory for new socket buffer ?? */ + if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) { + /* + * Not enough memory to refill the buffer + * so we need to recycle the old one so + * as to avoid creating a memory hole + * in the rx ring + */ + skb = sis_priv->rx_skbuff[entry]; + sis_priv->stats.rx_dropped++; + goto refill_rx_ring; + } + /* This situation should never happen, but due to some unknow bugs, it is possible that we are working on NULL sk_buff :-( */ @@ -1768,9 +1786,6 @@ static int sis900_rx(struct net_device *net_dev) break; } - pci_unmap_single(sis_priv->pci_dev, - sis_priv->rx_ring[entry].bufptr, RX_BUF_SIZE, - PCI_DMA_FROMDEVICE); /* give the socket buffer to upper layers */ skb = sis_priv->rx_skbuff[entry]; skb_put(skb, rx_size); @@ -1783,33 +1798,14 @@ static int sis900_rx(struct net_device *net_dev) net_dev->last_rx = jiffies; sis_priv->stats.rx_bytes += rx_size; sis_priv->stats.rx_packets++; - - /* refill the Rx buffer, what if there is not enought - * memory for new socket buffer ?? */ - if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) { - /* not enough memory for skbuff, this makes a - * "hole" on the buffer ring, it is not clear - * how the hardware will react to this kind - * of degenerated buffer */ - if (netif_msg_rx_status(sis_priv)) - printk(KERN_INFO "%s: Memory squeeze," - "deferring packet.\n", - net_dev->name); - sis_priv->rx_skbuff[entry] = NULL; - /* reset buffer descriptor state */ - sis_priv->rx_ring[entry].cmdsts = 0; - sis_priv->rx_ring[entry].bufptr = 0; - sis_priv->stats.rx_dropped++; - sis_priv->cur_rx++; - break; - } + sis_priv->dirty_rx++; +refill_rx_ring: skb->dev = net_dev; sis_priv->rx_skbuff[entry] = skb; sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE; sis_priv->rx_ring[entry].bufptr = pci_map_single(sis_priv->pci_dev, skb->data, RX_BUF_SIZE, PCI_DMA_FROMDEVICE); - sis_priv->dirty_rx++; } sis_priv->cur_rx++; entry = sis_priv->cur_rx % NUM_RX_DESC; diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c index d48c024cff595ff2987be71fb33ab536c05ad5f9..6d12961cf9f93562d058e2f84835ed7d42935413 100644 --- a/drivers/usb/net/pegasus.c +++ b/drivers/usb/net/pegasus.c @@ -316,6 +316,7 @@ static int update_eth_regs_async(pegasus_t * pegasus) return ret; } +/* Returns 0 on success, error on failure */ static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd) { int i; @@ -847,10 +848,16 @@ static void intr_callback(struct urb *urb) * d[0].NO_CARRIER kicks in only with failed TX. * ... so monitoring with MII may be safest. */ - if (d[0] & NO_CARRIER) - netif_carrier_off(net); - else - netif_carrier_on(net); + if (pegasus->features & TRUST_LINK_STATUS) { + if (d[5] & LINK_STATUS) + netif_carrier_on(net); + else + netif_carrier_off(net); + } else { + /* Never set carrier _on_ based on ! NO_CARRIER */ + if (d[0] & NO_CARRIER) + netif_carrier_off(net); + } /* bytes 3-4 == rx_lostpkt, reg 2E/2F */ pegasus->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4]; @@ -950,7 +957,7 @@ static void set_carrier(struct net_device *net) pegasus_t *pegasus = netdev_priv(net); u16 tmp; - if (!read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp)) + if (read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp)) return; if (tmp & BMSR_LSTATUS) diff --git a/drivers/usb/net/pegasus.h b/drivers/usb/net/pegasus.h index c7467823cd1ca975349ec5ddfdac2ed293d7beac..c7aadb413e8c3d5a1b95d121cdfc9085c99722c7 100644 --- a/drivers/usb/net/pegasus.h +++ b/drivers/usb/net/pegasus.h @@ -11,6 +11,7 @@ #define PEGASUS_II 0x80000000 #define HAS_HOME_PNA 0x40000000 +#define TRUST_LINK_STATUS 0x20000000 #define PEGASUS_MTU 1536 #define RX_SKBS 4 @@ -203,7 +204,7 @@ PEGASUS_DEV( "AEI USB Fast Ethernet Adapter", VENDOR_AEILAB, 0x1701, PEGASUS_DEV( "Allied Telesyn Int. AT-USB100", VENDOR_ALLIEDTEL, 0xb100, DEFAULT_GPIO_RESET | PEGASUS_II ) PEGASUS_DEV( "Belkin F5D5050 USB Ethernet", VENDOR_BELKIN, 0x0121, - DEFAULT_GPIO_RESET | PEGASUS_II ) + DEFAULT_GPIO_RESET | PEGASUS_II | TRUST_LINK_STATUS ) PEGASUS_DEV( "Billionton USB-100", VENDOR_BILLIONTON, 0x0986, DEFAULT_GPIO_RESET ) PEGASUS_DEV( "Billionton USBLP-100", VENDOR_BILLIONTON, 0x0987,