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path: root/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c')
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
index a718d7a1f76c..79da48094770 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
@@ -405,8 +405,10 @@ static int aq_ethtool_get_eee(struct net_device *ndev, struct ethtool_eee *eee)
if (!aq_nic->aq_fw_ops->get_eee_rate)
return -EOPNOTSUPP;
+ mutex_lock(&aq_nic->fwreq_mutex);
err = aq_nic->aq_fw_ops->get_eee_rate(aq_nic->aq_hw, &rate,
&supported_rates);
+ mutex_unlock(&aq_nic->fwreq_mutex);
if (err < 0)
return err;
@@ -439,8 +441,10 @@ static int aq_ethtool_set_eee(struct net_device *ndev, struct ethtool_eee *eee)
!aq_nic->aq_fw_ops->set_eee_rate))
return -EOPNOTSUPP;
+ mutex_lock(&aq_nic->fwreq_mutex);
err = aq_nic->aq_fw_ops->get_eee_rate(aq_nic->aq_hw, &rate,
&supported_rates);
+ mutex_unlock(&aq_nic->fwreq_mutex);
if (err < 0)
return err;
@@ -452,20 +456,28 @@ static int aq_ethtool_set_eee(struct net_device *ndev, struct ethtool_eee *eee)
cfg->eee_speeds = 0;
}
- return aq_nic->aq_fw_ops->set_eee_rate(aq_nic->aq_hw, rate);
+ mutex_lock(&aq_nic->fwreq_mutex);
+ err = aq_nic->aq_fw_ops->set_eee_rate(aq_nic->aq_hw, rate);
+ mutex_unlock(&aq_nic->fwreq_mutex);
+
+ return err;
}
static int aq_ethtool_nway_reset(struct net_device *ndev)
{
struct aq_nic_s *aq_nic = netdev_priv(ndev);
+ int err = 0;
if (unlikely(!aq_nic->aq_fw_ops->renegotiate))
return -EOPNOTSUPP;
- if (netif_running(ndev))
- return aq_nic->aq_fw_ops->renegotiate(aq_nic->aq_hw);
+ if (netif_running(ndev)) {
+ mutex_lock(&aq_nic->fwreq_mutex);
+ err = aq_nic->aq_fw_ops->renegotiate(aq_nic->aq_hw);
+ mutex_unlock(&aq_nic->fwreq_mutex);
+ }
- return 0;
+ return err;
}
static void aq_ethtool_get_pauseparam(struct net_device *ndev,
@@ -503,7 +515,9 @@ static int aq_ethtool_set_pauseparam(struct net_device *ndev,
else
aq_nic->aq_hw->aq_nic_cfg->flow_control &= ~AQ_NIC_FC_TX;
+ mutex_lock(&aq_nic->fwreq_mutex);
err = aq_nic->aq_fw_ops->set_flow_control(aq_nic->aq_hw);
+ mutex_unlock(&aq_nic->fwreq_mutex);
return err;
}