atl1: print debug info if rrd error

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

Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Acked-by: Chris Snook <csnook@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 22 insertions, 4 deletions

diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 51eca233e1f1..4e4cb23c1836 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1144,14 +1144,32 @@ chk_rrd:
                         /* check rrd status */
                         if (likely(rrd->num_buf == 1))
                                 goto rrd_ok;
+                        else if (netif_msg_rx_err(adapter)) {
+                                dev_printk(KERN_DEBUG, &adapter->pdev->dev,
+                                        "unexpected RRD buffer count\n");
+                                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);
+                        }
 
                         /* rrd seems to be bad */
                         if (unlikely(i-- > 0)) {
                                 /* rrd may not be DMAed completely */
-                                if (netif_msg_rx_err(adapter))
-                                        dev_printk(KERN_DEBUG,
-                                                &adapter->pdev->dev,
-                                                "unexpected RRD count\n");
                                 udelay(1);
                                 goto chk_rrd;
                         }