From: Stephen Hemminger <shemminger@linux-foundation.org>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: netdev@vger.kernel.org
Subject: [PATCH 4/6] sky2: MIB counter overflow handling
Date: Mon, 14 May 2007 12:38:13 -0700 [thread overview]
Message-ID: <20070514193945.776516663@linux-foundation.org> (raw)
In-Reply-To: 20070514193809.867470364@linux-foundation.org
[-- Attachment #1: sky2-mib-ov.patch --]
[-- Type: text/plain, Size: 889 bytes --]
Make sure that if we ever get a MIB counter overflow interrupt (normally
masked off), that the IRQ is cleared.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
---
drivers/net/sky2.c | 6 ++++++
1 file changed, 6 insertions(+)
--- 2.6.21-rc1.orig/drivers/net/sky2.c 2007-05-14 12:10:16.000000000 -0700
+++ 2.6.21-rc1/drivers/net/sky2.c 2007-05-14 12:10:18.000000000 -0700
@@ -2345,6 +2345,12 @@ static void sky2_mac_intr(struct sky2_hw
printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n",
dev->name, status);
+ if (status & GM_IS_RX_CO_OV)
+ gma_read16(hw, port, GM_RX_IRQ_SRC);
+
+ if (status & GM_IS_TX_CO_OV)
+ gma_read16(hw, port, GM_TX_IRQ_SRC);
+
if (status & GM_IS_RX_FF_OR) {
++sky2->net_stats.rx_fifo_errors;
sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO);
--
Stephen Hemminger <shemminger@linux-foundation.org>
next prev parent reply other threads:[~2007-05-14 19:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-14 19:38 [PATCH 0/6] more sky2 patches for 2.6.22 Stephen Hemminger
2007-05-14 19:38 ` [PATCH 1/6] sky2: remove Gigabyte 88e8056 restriction Stephen Hemminger
2007-05-18 0:44 ` Jeff Garzik
2007-05-14 19:38 ` [PATCH 2/6] sky2: PHY register settings Stephen Hemminger
2007-05-14 19:38 ` [PATCH 3/6] sky2: keep track of receive alloc failures Stephen Hemminger
2007-05-14 19:38 ` Stephen Hemminger [this message]
2007-05-14 19:38 ` [PATCH 5/6] sky2: remove dual port workaround Stephen Hemminger
2007-05-14 19:38 ` [PATCH 6/6] sky2: memory barriers change Stephen Hemminger
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