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path: root/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c')
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c83
1 files changed, 65 insertions, 18 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
index 46c8b8a3907c..50ce0d6c09ef 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
@@ -433,12 +433,16 @@ void i40evf_add_ether_addrs(struct i40evf_adapter *adapter)
adapter->current_op);
return;
}
+
+ spin_lock_bh(&adapter->mac_vlan_list_lock);
+
list_for_each_entry(f, &adapter->mac_filter_list, list) {
if (f->add)
count++;
}
if (!count) {
adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_MAC_FILTER;
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
}
adapter->current_op = VIRTCHNL_OP_ADD_ETH_ADDR;
@@ -456,8 +460,10 @@ void i40evf_add_ether_addrs(struct i40evf_adapter *adapter)
}
veal = kzalloc(len, GFP_KERNEL);
- if (!veal)
+ if (!veal) {
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
+ }
veal->vsi_id = adapter->vsi_res->vsi_id;
veal->num_elements = count;
@@ -472,6 +478,9 @@ void i40evf_add_ether_addrs(struct i40evf_adapter *adapter)
}
if (!more)
adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_MAC_FILTER;
+
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
+
i40evf_send_pf_msg(adapter, VIRTCHNL_OP_ADD_ETH_ADDR,
(u8 *)veal, len);
kfree(veal);
@@ -498,12 +507,16 @@ void i40evf_del_ether_addrs(struct i40evf_adapter *adapter)
adapter->current_op);
return;
}
+
+ spin_lock_bh(&adapter->mac_vlan_list_lock);
+
list_for_each_entry(f, &adapter->mac_filter_list, list) {
if (f->remove)
count++;
}
if (!count) {
adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_MAC_FILTER;
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
}
adapter->current_op = VIRTCHNL_OP_DEL_ETH_ADDR;
@@ -520,8 +533,10 @@ void i40evf_del_ether_addrs(struct i40evf_adapter *adapter)
more = true;
}
veal = kzalloc(len, GFP_KERNEL);
- if (!veal)
+ if (!veal) {
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
+ }
veal->vsi_id = adapter->vsi_res->vsi_id;
veal->num_elements = count;
@@ -537,6 +552,9 @@ void i40evf_del_ether_addrs(struct i40evf_adapter *adapter)
}
if (!more)
adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_MAC_FILTER;
+
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
+
i40evf_send_pf_msg(adapter, VIRTCHNL_OP_DEL_ETH_ADDR,
(u8 *)veal, len);
kfree(veal);
@@ -564,12 +582,15 @@ void i40evf_add_vlans(struct i40evf_adapter *adapter)
return;
}
+ spin_lock_bh(&adapter->mac_vlan_list_lock);
+
list_for_each_entry(f, &adapter->vlan_filter_list, list) {
if (f->add)
count++;
}
if (!count) {
adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_VLAN_FILTER;
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
}
adapter->current_op = VIRTCHNL_OP_ADD_VLAN;
@@ -586,8 +607,10 @@ void i40evf_add_vlans(struct i40evf_adapter *adapter)
more = true;
}
vvfl = kzalloc(len, GFP_KERNEL);
- if (!vvfl)
+ if (!vvfl) {
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
+ }
vvfl->vsi_id = adapter->vsi_res->vsi_id;
vvfl->num_elements = count;
@@ -602,6 +625,9 @@ void i40evf_add_vlans(struct i40evf_adapter *adapter)
}
if (!more)
adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_VLAN_FILTER;
+
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
+
i40evf_send_pf_msg(adapter, VIRTCHNL_OP_ADD_VLAN, (u8 *)vvfl, len);
kfree(vvfl);
}
@@ -628,12 +654,15 @@ void i40evf_del_vlans(struct i40evf_adapter *adapter)
return;
}
+ spin_lock_bh(&adapter->mac_vlan_list_lock);
+
list_for_each_entry(f, &adapter->vlan_filter_list, list) {
if (f->remove)
count++;
}
if (!count) {
adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_VLAN_FILTER;
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
}
adapter->current_op = VIRTCHNL_OP_DEL_VLAN;
@@ -650,8 +679,10 @@ void i40evf_del_vlans(struct i40evf_adapter *adapter)
more = true;
}
vvfl = kzalloc(len, GFP_KERNEL);
- if (!vvfl)
+ if (!vvfl) {
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
+ }
vvfl->vsi_id = adapter->vsi_res->vsi_id;
vvfl->num_elements = count;
@@ -667,6 +698,9 @@ void i40evf_del_vlans(struct i40evf_adapter *adapter)
}
if (!more)
adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_VLAN_FILTER;
+
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
+
i40evf_send_pf_msg(adapter, VIRTCHNL_OP_DEL_VLAN, (u8 *)vvfl, len);
kfree(vvfl);
}
@@ -705,8 +739,10 @@ void i40evf_set_promiscuous(struct i40evf_adapter *adapter, int flags)
}
if (!flags) {
- adapter->flags &= ~I40EVF_FLAG_PROMISC_ON;
- adapter->aq_required &= ~I40EVF_FLAG_AQ_RELEASE_PROMISC;
+ adapter->flags &= ~(I40EVF_FLAG_PROMISC_ON |
+ I40EVF_FLAG_ALLMULTI_ON);
+ adapter->aq_required &= ~(I40EVF_FLAG_AQ_RELEASE_PROMISC |
+ I40EVF_FLAG_AQ_RELEASE_ALLMULTI);
dev_info(&adapter->pdev->dev, "Leaving promiscuous mode\n");
}
@@ -965,23 +1001,34 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,
if (v_opcode == VIRTCHNL_OP_EVENT) {
struct virtchnl_pf_event *vpe =
(struct virtchnl_pf_event *)msg;
+ bool link_up = vpe->event_data.link_event.link_status;
switch (vpe->event) {
case VIRTCHNL_EVENT_LINK_CHANGE:
adapter->link_speed =
vpe->event_data.link_event.link_speed;
- if (adapter->link_up !=
- vpe->event_data.link_event.link_status) {
- adapter->link_up =
- vpe->event_data.link_event.link_status;
- if (adapter->link_up) {
- netif_tx_start_all_queues(netdev);
- netif_carrier_on(netdev);
- } else {
- netif_tx_stop_all_queues(netdev);
- netif_carrier_off(netdev);
- }
- i40evf_print_link_message(adapter);
+
+ /* we've already got the right link status, bail */
+ if (adapter->link_up == link_up)
+ break;
+
+ /* If we get link up message and start queues before
+ * our queues are configured it will trigger a TX hang.
+ * In that case, just ignore the link status message,
+ * we'll get another one after we enable queues and
+ * actually prepared to send traffic.
+ */
+ if (link_up && adapter->state != __I40EVF_RUNNING)
+ break;
+
+ adapter->link_up = link_up;
+ if (link_up) {
+ netif_tx_start_all_queues(netdev);
+ netif_carrier_on(netdev);
+ } else {
+ netif_tx_stop_all_queues(netdev);
+ netif_carrier_off(netdev);
}
+ i40evf_print_link_message(adapter);
break;
case VIRTCHNL_EVENT_RESET_IMPENDING:
dev_info(&adapter->pdev->dev, "PF reset warning received\n");
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