diff mbox

[5/5] net: ethernet: ti: cpsw: sync rates for channels in dual emac mode

Message ID 1481372630-14914-6-git-send-email-ivan.khoronzhuk@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Ivan Khoronzhuk Dec. 10, 2016, 12:23 p.m. UTC
The channels are common for both ndevs in dual emac mode. Hence, keep
in sync their rates.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
---
 drivers/net/ethernet/ti/cpsw.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

Comments

David Miller Dec. 10, 2016, 10:30 p.m. UTC | #1
From: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Date: Sat, 10 Dec 2016 14:23:50 +0200

> The channels are common for both ndevs in dual emac mode. Hence, keep
> in sync their rates.
> 
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>

Applied.
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 7ccfa63..b203143 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -2020,9 +2020,10 @@  static int cpsw_ndo_set_tx_maxrate(struct net_device *ndev, int queue, u32 rate)
 {
 	struct cpsw_priv *priv = netdev_priv(ndev);
 	struct cpsw_common *cpsw = priv->cpsw;
+	struct cpsw_slave *slave;
 	u32 min_rate;
 	u32 ch_rate;
-	int ret;
+	int i, ret;
 
 	ch_rate = netdev_get_tx_queue(ndev, queue)->tx_maxrate;
 	if (ch_rate == rate)
@@ -2053,6 +2054,15 @@  static int cpsw_ndo_set_tx_maxrate(struct net_device *ndev, int queue, u32 rate)
 	if (ret)
 		return ret;
 
+	/* update rates for slaves tx queues */
+	for (i = 0; i < cpsw->data.slaves; i++) {
+		slave = &cpsw->slaves[i];
+		if (!slave->ndev)
+			continue;
+
+		netdev_get_tx_queue(slave->ndev, queue)->tx_maxrate = rate;
+	}
+
 	cpsw_split_res(ndev);
 	return ret;
 }