diff options
Diffstat (limited to 'drivers/net/r8169.c')
| -rw-r--r-- | drivers/net/r8169.c | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index c59507f8a76..b3768d84474 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1585,8 +1585,8 @@ rtl8169_hw_start(struct net_device *dev) RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); RTL_W8(EarlyTxThres, EarlyTxThld); - /* For gigabit rtl8169, MTU + header + CRC + VLAN */ - RTL_W16(RxMaxSize, tp->rx_buf_sz); + /* Low hurts. Let's disable the filtering. */ + RTL_W16(RxMaxSize, 16383); /* Set Rx Config register */ i = rtl8169_rx_config | @@ -2127,6 +2127,11 @@ rtl8169_tx_interrupt(struct net_device *dev, struct rtl8169_private *tp, } } +static inline int rtl8169_fragmented_frame(u32 status) +{ + return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag); +} + static inline void rtl8169_rx_csum(struct sk_buff *skb, struct RxDesc *desc) { u32 opts1 = le32_to_cpu(desc->opts1); @@ -2177,27 +2182,41 @@ rtl8169_rx_interrupt(struct net_device *dev, struct rtl8169_private *tp, while (rx_left > 0) { unsigned int entry = cur_rx % NUM_RX_DESC; + struct RxDesc *desc = tp->RxDescArray + entry; u32 status; rmb(); - status = le32_to_cpu(tp->RxDescArray[entry].opts1); + status = le32_to_cpu(desc->opts1); if (status & DescOwn) break; if (status & RxRES) { - printk(KERN_INFO "%s: Rx ERROR!!!\n", dev->name); + printk(KERN_INFO "%s: Rx ERROR. status = %08x\n", + dev->name, status); tp->stats.rx_errors++; if (status & (RxRWT | RxRUNT)) tp->stats.rx_length_errors++; if (status & RxCRC) tp->stats.rx_crc_errors++; + rtl8169_mark_to_asic(desc, tp->rx_buf_sz); } else { - struct RxDesc *desc = tp->RxDescArray + entry; struct sk_buff *skb = tp->Rx_skbuff[entry]; int pkt_size = (status & 0x00001FFF) - 4; void (*pci_action)(struct pci_dev *, dma_addr_t, size_t, int) = pci_dma_sync_single_for_device; + /* + * The driver does not support incoming fragmented + * frames. They are seen as a symptom of over-mtu + * sized frames. + */ + if (unlikely(rtl8169_fragmented_frame(status))) { + tp->stats.rx_dropped++; + tp->stats.rx_length_errors++; + rtl8169_mark_to_asic(desc, tp->rx_buf_sz); + goto move_on; + } + rtl8169_rx_csum(skb, desc); pci_dma_sync_single_for_cpu(tp->pci_dev, @@ -2224,7 +2243,7 @@ rtl8169_rx_interrupt(struct net_device *dev, struct rtl8169_private *tp, tp->stats.rx_bytes += pkt_size; tp->stats.rx_packets++; } - +move_on: cur_rx++; rx_left--; } |