From mboxrd@z Thu Jan 1 00:00:00 1970 From: Troy Kisky Subject: [PATCH net-next 18/40] net: fec: clear cbd_sc after transmission to help with debugging Date: Thu, 28 Jan 2016 14:25:42 -0700 Message-ID: <1454016364-30985-19-git-send-email-troy.kisky@boundarydevices.com> References: <1454016364-30985-1-git-send-email-troy.kisky@boundarydevices.com> Cc: fabio.estevam@freescale.com, l.stach@pengutronix.de, andrew@lunn.ch, tremyfr@gmail.com, linux@arm.linux.org.uk, linux-arm-kernel@lists.infradead.org, laci@boundarydevices.com, shawnguo@kernel.org, Troy Kisky To: netdev@vger.kernel.org, davem@davemloft.net, B38611@freescale.com Return-path: Received: from mail-pa0-f54.google.com ([209.85.220.54]:34226 "EHLO mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755524AbcA1V2j (ORCPT ); Thu, 28 Jan 2016 16:28:39 -0500 Received: by mail-pa0-f54.google.com with SMTP id uo6so29720502pac.1 for ; Thu, 28 Jan 2016 13:28:38 -0800 (PST) In-Reply-To: <1454016364-30985-1-git-send-email-troy.kisky@boundarydevices.com> Sender: netdev-owner@vger.kernel.org List-ID: When the tx queue is dumped, it is easier to see that this entry is idle. Signed-off-by: Troy Kisky --- drivers/net/ethernet/freescale/fec_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index fcbbf0d..1759705 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1161,6 +1161,7 @@ static void fec_txq(struct net_device *ndev, struct fec_enet_private *fep, } break; } + bdp->cbd_sc = (bdp == txq->bd.last) ? BD_SC_WRAP : 0; index = fec_enet_get_bd_index(bdp, &txq->bd); -- 2.5.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: troy.kisky@boundarydevices.com (Troy Kisky) Date: Thu, 28 Jan 2016 14:25:42 -0700 Subject: [PATCH net-next 18/40] net: fec: clear cbd_sc after transmission to help with debugging In-Reply-To: <1454016364-30985-1-git-send-email-troy.kisky@boundarydevices.com> References: <1454016364-30985-1-git-send-email-troy.kisky@boundarydevices.com> Message-ID: <1454016364-30985-19-git-send-email-troy.kisky@boundarydevices.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org When the tx queue is dumped, it is easier to see that this entry is idle. Signed-off-by: Troy Kisky --- drivers/net/ethernet/freescale/fec_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index fcbbf0d..1759705 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1161,6 +1161,7 @@ static void fec_txq(struct net_device *ndev, struct fec_enet_private *fep, } break; } + bdp->cbd_sc = (bdp == txq->bd.last) ? BD_SC_WRAP : 0; index = fec_enet_get_bd_index(bdp, &txq->bd); -- 2.5.0