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path: root/drivers/net/ixgbe/ixgbe_dcb_nl.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_dcb_nl.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_dcb_nl.c32
1 files changed, 29 insertions, 3 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c
index 5d5d390f84bf..6cbff96cc0ff 100644
--- a/drivers/net/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c
@@ -126,7 +126,10 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
netdev->netdev_ops->ndo_stop(netdev);
ixgbe_clear_interrupt_scheme(adapter);
- adapter->hw.fc.requested_mode = ixgbe_fc_pfc;
+ if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+ adapter->last_lfc_mode = adapter->hw.fc.current_mode;
+ adapter->hw.fc.requested_mode = ixgbe_fc_none;
+ }
adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
adapter->flags |= IXGBE_FLAG_DCB_ENABLED;
ixgbe_init_interrupt_scheme(adapter);
@@ -135,11 +138,13 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
} else {
/* Turn off DCB */
if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
- adapter->hw.fc.requested_mode = ixgbe_fc_default;
if (netif_running(netdev))
netdev->netdev_ops->ndo_stop(netdev);
ixgbe_clear_interrupt_scheme(adapter);
+ adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
+ adapter->temp_dcb_cfg.pfc_mode_enable = false;
+ adapter->dcb_cfg.pfc_mode_enable = false;
adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
ixgbe_init_interrupt_scheme(adapter);
@@ -329,9 +334,24 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
return ret;
}
+ if (adapter->dcb_cfg.pfc_mode_enable) {
+ if ((adapter->hw.mac.type != ixgbe_mac_82598EB) &&
+ (adapter->hw.fc.current_mode != ixgbe_fc_pfc))
+ adapter->last_lfc_mode = adapter->hw.fc.current_mode;
+ adapter->hw.fc.requested_mode = ixgbe_fc_pfc;
+ } else {
+ if (adapter->hw.mac.type != ixgbe_mac_82598EB)
+ adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
+ else
+ adapter->hw.fc.requested_mode = ixgbe_fc_none;
+ }
+
if (netif_running(netdev))
ixgbe_up(adapter);
+ if (adapter->dcb_cfg.pfc_mode_enable)
+ adapter->hw.fc.current_mode = ixgbe_fc_pfc;
+
adapter->dcb_set_bitmap = 0x00;
clear_bit(__IXGBE_RESETTING, &adapter->state);
return ret;
@@ -409,11 +429,17 @@ static u8 ixgbe_dcbnl_getpfcstate(struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
- return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED);
+ return adapter->dcb_cfg.pfc_mode_enable;
}
static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state)
{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ adapter->temp_dcb_cfg.pfc_mode_enable = state;
+ if (adapter->temp_dcb_cfg.pfc_mode_enable !=
+ adapter->dcb_cfg.pfc_mode_enable)
+ adapter->dcb_set_bitmap |= BIT_PFC;
return;
}