aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c64
1 files changed, 59 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index ac5698ed0b11..8e0a247e7e5a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -1675,13 +1675,20 @@ err_out:
int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
{
struct i40e_pf *pf = pci_get_drvdata(pdev);
+ int ret = 0;
+
+ if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
+ dev_warn(&pdev->dev, "Unable to configure VFs, other operation is pending.\n");
+ return -EAGAIN;
+ }
if (num_vfs) {
if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
}
- return i40e_pci_sriov_enable(pdev, num_vfs);
+ ret = i40e_pci_sriov_enable(pdev, num_vfs);
+ goto sriov_configure_out;
}
if (!pci_vfs_assigned(pf->pdev)) {
@@ -1690,9 +1697,12 @@ int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
} else {
dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto sriov_configure_out;
}
- return 0;
+sriov_configure_out:
+ clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
+ return ret;
}
/***********************virtual channel routines******************/
@@ -3893,6 +3903,11 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
goto error_param;
}
+ if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
+ dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
+ return -EAGAIN;
+ }
+
if (is_multicast_ether_addr(mac)) {
dev_err(&pf->pdev->dev,
"Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
@@ -3941,6 +3956,7 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
dev_info(&pf->pdev->dev, "Bring down and up the VF interface to make this change effective.\n");
error_param:
+ clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
return ret;
}
@@ -3992,6 +4008,11 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
struct i40e_vf *vf;
int ret = 0;
+ if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
+ dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
+ return -EAGAIN;
+ }
+
/* validate the request */
ret = i40e_validate_vf(pf, vf_id);
if (ret)
@@ -4107,6 +4128,7 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
ret = 0;
error_pvid:
+ clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
return ret;
}
@@ -4128,6 +4150,11 @@ int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
struct i40e_vf *vf;
int ret = 0;
+ if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
+ dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
+ return -EAGAIN;
+ }
+
/* validate the request */
ret = i40e_validate_vf(pf, vf_id);
if (ret)
@@ -4154,6 +4181,7 @@ int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
vf->tx_rate = max_tx_rate;
error:
+ clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
return ret;
}
@@ -4174,6 +4202,11 @@ int i40e_ndo_get_vf_config(struct net_device *netdev,
struct i40e_vf *vf;
int ret = 0;
+ if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
+ dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
+ return -EAGAIN;
+ }
+
/* validate the request */
ret = i40e_validate_vf(pf, vf_id);
if (ret)
@@ -4209,6 +4242,7 @@ int i40e_ndo_get_vf_config(struct net_device *netdev,
ret = 0;
error_param:
+ clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
return ret;
}
@@ -4230,6 +4264,11 @@ int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
int abs_vf_id;
int ret = 0;
+ if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
+ dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
+ return -EAGAIN;
+ }
+
/* validate the request */
if (vf_id >= pf->num_alloc_vfs) {
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
@@ -4273,6 +4312,7 @@ int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
0, (u8 *)&pfe, sizeof(pfe), NULL);
error_out:
+ clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
return ret;
}
@@ -4294,6 +4334,11 @@ int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
struct i40e_vf *vf;
int ret = 0;
+ if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
+ dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
+ return -EAGAIN;
+ }
+
/* validate the request */
if (vf_id >= pf->num_alloc_vfs) {
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
@@ -4327,6 +4372,7 @@ int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
ret = -EIO;
}
out:
+ clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
return ret;
}
@@ -4345,15 +4391,22 @@ int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
struct i40e_vf *vf;
int ret = 0;
+ if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
+ dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
+ return -EAGAIN;
+ }
+
/* validate the request */
if (vf_id >= pf->num_alloc_vfs) {
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
if (pf->flags & I40E_FLAG_MFP_ENABLED) {
dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
vf = &pf->vf[vf_id];
@@ -4376,5 +4429,6 @@ int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
}
out:
+ clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
return ret;
}