Commit 235ffa13 authored by Jay Cliburn's avatar Jay Cliburn Committed by Jeff Garzik
Browse files

atl1: print debug info if rrd error 



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

Signed-off-by: default avatarJay Cliburn <jacliburn@bellsouth.net>
Acked-by: default avatarChris Snook <csnook@redhat.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 460578bf

drivers/net/atlx/atl1.c

+22 −4
Original line number Diff line number Diff line
@@ -1144,14 +1144,32 @@ static void atl1_intr_rx(struct atl1_adapter *adapter) 
			/* 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;

			}