From e5fd13f476025f416583149313da85f8a3164414 Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Thu, 26 Feb 2015 20:34:46 +0000 Subject: [PATCH] sh_eth: Optionally log RX and TX status for each completed descriptor Signed-off-by: Ben Hutchings Signed-off-by: David S. Miller --- drivers/net/ethernet/renesas/sh_eth.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 5d9e3a77a1eb..c92dd173b994 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1417,6 +1417,9 @@ static int sh_eth_txfree(struct net_device *ndev) break; /* TACT bit must be checked before all the following reads */ rmb(); + netif_info(mdp, tx_done, ndev, + "tx entry %d status 0x%08x\n", + entry, edmac_to_cpu(mdp, txdesc->status)); /* Free the original skb. */ if (mdp->tx_skbuff[entry]) { dma_unmap_single(&ndev->dev, txdesc->addr, @@ -1462,6 +1465,10 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) if (--boguscnt < 0) break; + netif_info(mdp, rx_status, ndev, + "rx entry %d status 0x%08x len %d\n", + entry, desc_status, pkt_len); + if (!(desc_status & RDFEND)) ndev->stats.rx_length_errors++; -- 2.20.1