summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/freescale/fec_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index c6b1bf797a39..09fcdc768931 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -320,6 +320,27 @@ static void *swap_buffer(void *bufaddr, int len)
return bufaddr;
}
+static void fec_dump(struct net_device *ndev)
+{
+ struct fec_enet_private *fep = netdev_priv(ndev);
+ struct bufdesc *bdp = fep->tx_bd_base;
+ unsigned int index = 0;
+
+ netdev_info(ndev, "TX ring dump\n");
+ pr_info("Nr SC addr len SKB\n");
+
+ do {
+ pr_info("%3u %c%c 0x%04x 0x%08lx %4u %p\n",
+ index,
+ bdp == fep->cur_tx ? 'S' : ' ',
+ bdp == fep->dirty_tx ? 'H' : ' ',
+ bdp->cbd_sc, bdp->cbd_bufaddr, bdp->cbd_datlen,
+ fep->tx_skbuff[index]);
+ bdp = fec_enet_get_nextdesc(bdp, fep);
+ index++;
+ } while (bdp != fep->tx_bd_base);
+}
+
static inline bool is_ipv4_pkt(struct sk_buff *skb)
{
return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
@@ -1018,6 +1039,8 @@ fec_timeout(struct net_device *ndev)
{
struct fec_enet_private *fep = netdev_priv(ndev);
+ fec_dump(ndev);
+
ndev->stats.tx_errors++;
schedule_work(&fep->tx_timeout_work);