diff mbox

[net-next,18/40] net: fec: clear cbd_sc after transmission to help with debugging

Message ID 1454016364-30985-19-git-send-email-troy.kisky@boundarydevices.com (mailing list archive)
State New, archived
Headers show

Commit Message

Troy Kisky Jan. 28, 2016, 9:25 p.m. UTC 
When the tx queue is dumped, it is easier to see that this
entry is idle.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
---
 drivers/net/ethernet/freescale/fec_main.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

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);