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| author | David S. Miller <davem@davemloft.net> | 2009-04-21 01:32:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-04-21 01:32:26 -0700 |
| commit | e5e9743bb7429f53c83ad69b432f7b661e74c3f0 (patch) | |
| tree | db3691aef0d46c4aed4a2be6dc8ab7c44c3488cb /drivers/net/macb.c | |
| parent | a0f82f64e26929776c58a5c93c2ecb38e3d82815 (diff) | |
| parent | 775d8d931581764a1ec982ebe5a927b12762fb6d (diff) | |
| download | linux-stable-e5e9743bb7429f53c83ad69b432f7b661e74c3f0.tar.gz linux-stable-e5e9743bb7429f53c83ad69b432f7b661e74c3f0.tar.bz2 linux-stable-e5e9743bb7429f53c83ad69b432f7b661e74c3f0.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/core/dev.c
Diffstat (limited to 'drivers/net/macb.c')
| -rw-r--r-- | drivers/net/macb.c | 28 |
1 files changed, 6 insertions, 22 deletions
diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 46073de290cf..e82aee41d77e 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -316,10 +316,11 @@ static void macb_tx(struct macb *bp) dev_dbg(&bp->pdev->dev, "macb_tx status = %02lx\n", (unsigned long)status); - if (status & MACB_BIT(UND)) { + if (status & (MACB_BIT(UND) | MACB_BIT(TSR_RLE))) { int i; - printk(KERN_ERR "%s: TX underrun, resetting buffers\n", - bp->dev->name); + printk(KERN_ERR "%s: TX %s, resetting buffers\n", + bp->dev->name, status & MACB_BIT(UND) ? + "underrun" : "retry limit exceeded"); /* Transfer ongoing, disable transmitter, to avoid confusion */ if (status & MACB_BIT(TGO)) @@ -520,27 +521,10 @@ static int macb_poll(struct napi_struct *napi, int budget) macb_writel(bp, RSR, status); work_done = 0; - if (!status) { - /* - * This may happen if an interrupt was pending before - * this function was called last time, and no packets - * have been received since. - */ - napi_complete(napi); - goto out; - } dev_dbg(&bp->pdev->dev, "poll: status = %08lx, budget = %d\n", (unsigned long)status, budget); - if (!(status & MACB_BIT(REC))) { - dev_warn(&bp->pdev->dev, - "No RX buffers complete, status = %02lx\n", - (unsigned long)status); - napi_complete(napi); - goto out; - } - work_done = macb_rx(bp, budget); if (work_done < budget) napi_complete(napi); @@ -549,7 +533,6 @@ static int macb_poll(struct napi_struct *napi, int budget) * We've done what we can to clean the buffers. Make sure we * get notified when new packets arrive. */ -out: macb_writel(bp, IER, MACB_RX_INT_FLAGS); /* TODO: Handle errors */ @@ -590,7 +573,8 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) } } - if (status & (MACB_BIT(TCOMP) | MACB_BIT(ISR_TUND))) + if (status & (MACB_BIT(TCOMP) | MACB_BIT(ISR_TUND) | + MACB_BIT(ISR_RLE))) macb_tx(bp); /* |