net: ethernet: ti: cpsw: sync rates for channels in dual emac mode
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
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;
}