Please pull from the 'misc-fixes' branch of
rsync://rsync.kernel.org/pub/scm/linux/kernel/git/jgarzik/netdev-2.6.git
to obtain r8169 and 3c574_cs fixes. diffstat/shortlog/patch attached.
Jeff
drivers/net/pcmcia/3c574_cs.c | 3 +++
drivers/net/r8169.c | 31 +++++++++++++++++++++++++------
2 files changed, 28 insertions(+), 6 deletions(-)
<[email protected]>:
Automatic merge of /spare/repo/netdev-2.6 branch r8169-fix
Automatic merge of rsync://rsync.kernel.org/.../torvalds/linux-2.6.git branch HEAD
Daniel Ritz <[email protected]>:
3c574_cs: disable interrupts in el3_close
Francois Romieu <[email protected]>:
[PATCH] r8169: incoming frame length check
diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c
--- a/drivers/net/pcmcia/3c574_cs.c
+++ b/drivers/net/pcmcia/3c574_cs.c
@@ -1274,6 +1274,9 @@ static int el3_close(struct net_device *
spin_lock_irqsave(&lp->window_lock, flags);
update_stats(dev);
spin_unlock_irqrestore(&lp->window_lock, flags);
+
+ /* force interrupts off */
+ outw(SetIntrEnb | 0x0000, ioaddr + EL3_CMD);
}
link->open--;
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
--- 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 *
}
}
+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 *
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 *
tp->stats.rx_bytes += pkt_size;
tp->stats.rx_packets++;
}
-
+move_on:
cur_rx++;
rx_left--;
}
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