netdev - [PATCH net-next 4/5] sh_eth: Optionally log RX and TX status for each completed descriptor

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Date:	Thu, 26 Feb 2015 20:34:46 +0000
From:	Ben Hutchings <ben.hutchings@...ethink.co.uk>
To:	netdev@...r.kernel.org
Cc:	linux-kernel@...ts.codethink.co.uk,
	Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@...esas.com>,
	Mitsuhiro Kimura <mitsuhiro.kimura.kc@...esas.com>,
	Yoshihiro Kaneko <ykaneko0929@...il.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Subject: [PATCH net-next 4/5] sh_eth: Optionally log RX and TX status for
 each completed descriptor

Signed-off-by: Ben Hutchings <ben.hutchings@...ethink.co.uk>
---
 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 e6248b1c3ad5..38b9d87b2667 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1414,6 +1414,9 @@ 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,
@@ -1459,6 +1462,10 @@ 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++;
 
-- 
1.7.10.4




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