linux-kernel - [PATCH 05/26] atl1: print debug info if rrd error

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Message-Id: <1199152804-3889-6-git-send-email-jacliburn@bellsouth.net>
Date:	Mon, 31 Dec 2007 19:59:43 -0600
From:	jacliburn@...lsouth.net
To:	jeff@...zik.org
Cc:	csnook@...hat.com, linux-kernel@...r.kernel.org,
	atl1-devel@...ts.sourceforge.net,
	Jay Cliburn <jacliburn@...lsouth.net>
Subject: [PATCH 05/26] atl1: print debug info if rrd error

From: Jay Cliburn <jacliburn@...lsouth.net>

Add some debug dev_printks if we encounter a bad receive return descriptor.

Signed-off-by: Jay Cliburn <jacliburn@...lsouth.net>
---
 drivers/net/atlx/atl1.c |   21 ++++++++++++++++++++-
 1 files changed, 20 insertions(+), 1 deletions(-)

diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 239641f..262d3ca 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1127,7 +1127,26 @@ static void atl1_intr_rx(struct atl1_adapter *adapter)
 		if (likely(rrd->xsz.valid)) {	/* packet valid */
 chk_rrd:
 			/* check rrd status */
-			if (likely(rrd->num_buf == 1))
+			if (rrd->num_buf != 1) {
+				dev_printk(KERN_DEBUG, &adapter->pdev->dev,
+					"rx_buf_len = %d\n",
+					adapter->rx_buffer_len);
+				dev_printk(KERN_DEBUG, &adapter->pdev->dev,
+					"RRD num_buf = %d\n",
+					rrd->num_buf);
+				dev_printk(KERN_DEBUG, &adapter->pdev->dev,
+					"RRD pkt_len = %d\n",
+					rrd->xsz.xsum_sz.pkt_size);
+				dev_printk(KERN_DEBUG, &adapter->pdev->dev,
+					"RRD pkt_flg = 0x%08X\n",
+					rrd->pkt_flg);
+				dev_printk(KERN_DEBUG, &adapter->pdev->dev,
+					"RRD err_flg = 0x%08X\n",
+					rrd->err_flg);
+				dev_printk(KERN_DEBUG, &adapter->pdev->dev,
+					"RRD vlan_tag = 0x%08X\n",
+					rrd->vlan_tag);
+			} else
 				goto rrd_ok;
 
 			/* rrd seems to be bad */
-- 
1.5.3.3

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