From 49508ecd257df28a4adb093479ea08c6d6216eb5 Mon Sep 17 00:00:00 2001 From: Wenzhuo Lu Date: Wed, 8 Jul 2015 09:14:05 +0800 Subject: [PATCH] ixgbe: allow to disable flow control There's a parameter "autoneg on|off" in testpmd CLI "set flow_ctrl ...". This parameter is used to enable/disable auto negotiation for flow control. But it's not supported yet. The auto negotiation is enabled by default, we have no way to disable it. This patch lets the parameter "autoneg on|off" be supproted. Signed-off-by: Wenzhuo Lu Acked-by: Changchun Ouyang --- drivers/net/ixgbe/ixgbe_ethdev.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index aa6074fda2..8d68125262 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -2576,8 +2576,6 @@ ixgbe_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) PMD_INIT_FUNC_TRACE(); hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - if (fc_conf->autoneg != !hw->fc.disable_fc_autoneg) - return -ENOTSUP; rx_buf_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)); PMD_INIT_LOG(DEBUG, "Rx packet buffer size = 0x%x", rx_buf_size); @@ -2598,6 +2596,7 @@ ixgbe_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) hw->fc.high_water[0] = fc_conf->high_water; hw->fc.low_water[0] = fc_conf->low_water; hw->fc.send_xon = fc_conf->send_xon; + hw->fc.disable_fc_autoneg = !fc_conf->autoneg; err = ixgbe_fc_enable(hw); -- 2.20.1