diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 1562fbdd0a04..996f2bcd07a2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -358,24 +358,28 @@ static int tc_setup_cbs(struct stmmac_priv *priv, port_transmit_rate_kbps = qopt->idleslope - qopt->sendslope; - /* Port Transmit Rate and Speed Divider */ - switch (div_s64(port_transmit_rate_kbps, 1000)) { - case SPEED_10000: - case SPEED_5000: - ptr = 32; - break; - case SPEED_2500: - case SPEED_1000: - ptr = 8; - break; - case SPEED_100: - ptr = 4; - break; - default: - netdev_err(priv->dev, - "Invalid portTransmitRate %lld (idleSlope - sendSlope)\n", - port_transmit_rate_kbps); - return -EINVAL; + if (qopt->enable) { + /* Port Transmit Rate and Speed Divider */ + switch (div_s64(port_transmit_rate_kbps, 1000)) { + case SPEED_10000: + case SPEED_5000: + ptr = 32; + break; + case SPEED_2500: + case SPEED_1000: + ptr = 8; + break; + case SPEED_100: + ptr = 4; + break; + default: + netdev_err(priv->dev, + "Invalid portTransmitRate %lld (idleSlope - sendSlope)\n", + port_transmit_rate_kbps); + return -EINVAL; + } + } else { + ptr = 0; } mode_to_use = priv->plat->tx_queues_cfg[queue].mode_to_use; |