提交 71fd570b 编写于 作者: D Don Skidmore 提交者: David S. Miller

ixgbe: fix ethtool -A|a behavior

We were basicly ignoring ethtool users request for FC autoneg
and replying to queries with a "best guess".  This patch
enables the driver to store if we want to enable/disable
autoneg FC and do the correct behavior.
Signed-off-by: NDon Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 a20a1199
......@@ -411,7 +411,8 @@ static s32 ixgbe_setup_fc_82598(struct ixgbe_hw *hw, s32 packetbuf_num)
/* Decide whether to use autoneg or not. */
hw->mac.ops.check_link(hw, &speed, &link_up, false);
if (hw->phy.multispeed_fiber && (speed == IXGBE_LINK_SPEED_1GB_FULL))
if (!hw->fc.disable_fc_autoneg && hw->phy.multispeed_fiber &&
(speed == IXGBE_LINK_SPEED_1GB_FULL))
ret_val = ixgbe_fc_autoneg(hw);
if (ret_val)
......
......@@ -1937,7 +1937,8 @@ s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
/* Decide whether to use autoneg or not. */
hw->mac.ops.check_link(hw, &speed, &link_up, false);
if (hw->phy.multispeed_fiber && (speed == IXGBE_LINK_SPEED_1GB_FULL))
if (!hw->fc.disable_fc_autoneg && hw->phy.multispeed_fiber &&
(speed == IXGBE_LINK_SPEED_1GB_FULL))
ret_val = ixgbe_fc_autoneg(hw);
if (ret_val)
......
......@@ -234,7 +234,16 @@ static void ixgbe_get_pauseparam(struct net_device *netdev,
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
pause->autoneg = (hw->fc.current_mode == ixgbe_fc_full ? 1 : 0);
/*
* Flow Control Autoneg isn't on if
* - we didn't ask for it OR
* - it failed, we know this by tx & rx being off
*/
if (hw->fc.disable_fc_autoneg ||
(hw->fc.current_mode == ixgbe_fc_none))
pause->autoneg = 0;
else
pause->autoneg = 1;
if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
pause->rx_pause = 1;
......@@ -252,8 +261,12 @@ static int ixgbe_set_pauseparam(struct net_device *netdev,
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
if ((pause->autoneg == AUTONEG_ENABLE) ||
(pause->rx_pause && pause->tx_pause))
if (pause->autoneg != AUTONEG_ENABLE)
hw->fc.disable_fc_autoneg = true;
else
hw->fc.disable_fc_autoneg = false;
if (pause->rx_pause && pause->tx_pause)
hw->fc.requested_mode = ixgbe_fc_full;
else if (pause->rx_pause && !pause->tx_pause)
hw->fc.requested_mode = ixgbe_fc_rx_pause;
......
......@@ -3167,10 +3167,12 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
/* default flow control settings */
hw->fc.requested_mode = ixgbe_fc_full;
hw->fc.current_mode = ixgbe_fc_full; /* init for ethtool output */
hw->fc.high_water = IXGBE_DEFAULT_FCRTH;
hw->fc.low_water = IXGBE_DEFAULT_FCRTL;
hw->fc.pause_time = IXGBE_DEFAULT_FCPAUSE;
hw->fc.send_xon = true;
hw->fc.disable_fc_autoneg = false;
/* enable itr by default in dynamic mode */
adapter->itr_setting = 1;
......
......@@ -2005,6 +2005,7 @@ struct ixgbe_fc_info {
u16 pause_time; /* Flow Control Pause timer */
bool send_xon; /* Flow control send XON */
bool strict_ieee; /* Strict IEEE mode */
bool disable_fc_autoneg; /* Turn off autoneg FC mode */
enum ixgbe_fc_mode current_mode; /* FC mode in effect */
enum ixgbe_fc_mode requested_mode; /* FC mode requested by caller */
};
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册