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-rw-r--r--drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c83
1 files changed, 54 insertions, 29 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index 72a9da3164d9..92a442ec7314 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -1469,16 +1469,56 @@ teardown:
}
/**
- * ice_alloc_vfs - Allocate and set up VFs resources
+ * ice_set_dflt_settings - set VF defaults during initialization/creation
+ * @pf: PF holding reference to all VFs for default configuration
+ */
+static void ice_set_dflt_settings_vfs(struct ice_pf *pf)
+{
+ int i;
+
+ ice_for_each_vf(pf, i) {
+ struct ice_vf *vf = &pf->vf[i];
+
+ vf->pf = pf;
+ vf->vf_id = i;
+ vf->vf_sw_id = pf->first_sw;
+ /* assign default capabilities */
+ set_bit(ICE_VIRTCHNL_VF_CAP_L2, &vf->vf_caps);
+ vf->spoofchk = true;
+ vf->num_vf_qs = pf->num_qps_per_vf;
+ }
+}
+
+/**
+ * ice_alloc_vfs - allocate num_vfs in the PF structure
+ * @pf: PF to store the allocated VFs in
+ * @num_vfs: number of VFs to allocate
+ */
+static int ice_alloc_vfs(struct ice_pf *pf, int num_vfs)
+{
+ struct ice_vf *vfs;
+
+ vfs = devm_kcalloc(ice_pf_to_dev(pf), num_vfs, sizeof(*vfs),
+ GFP_KERNEL);
+ if (!vfs)
+ return -ENOMEM;
+
+ pf->vf = vfs;
+ pf->num_alloc_vfs = num_vfs;
+
+ return 0;
+}
+
+/**
+ * ice_ena_vfs - enable VFs so they are ready to be used
* @pf: pointer to the PF structure
- * @num_alloc_vfs: number of VFs to allocate
+ * @num_vfs: number of VFs to enable
*/
-static int ice_alloc_vfs(struct ice_pf *pf, u16 num_alloc_vfs)
+static int ice_ena_vfs(struct ice_pf *pf, u16 num_vfs)
{
struct device *dev = ice_pf_to_dev(pf);
struct ice_hw *hw = &pf->hw;
- struct ice_vf *vfs;
- int i, ret;
+ int ret;
/* Disable global interrupt 0 so we don't try to handle the VFLR. */
wr32(hw, GLINT_DYN_CTL(pf->oicr_idx),
@@ -1486,38 +1526,24 @@ static int ice_alloc_vfs(struct ice_pf *pf, u16 num_alloc_vfs)
set_bit(__ICE_OICR_INTR_DIS, pf->state);
ice_flush(hw);
- ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
+ ret = pci_enable_sriov(pf->pdev, num_vfs);
if (ret) {
pf->num_alloc_vfs = 0;
goto err_unroll_intr;
}
- /* allocate memory */
- vfs = devm_kcalloc(dev, num_alloc_vfs, sizeof(*vfs), GFP_KERNEL);
- if (!vfs) {
- ret = -ENOMEM;
+
+ ret = ice_alloc_vfs(pf, num_vfs);
+ if (ret)
goto err_pci_disable_sriov;
- }
- pf->vf = vfs;
- pf->num_alloc_vfs = num_alloc_vfs;
if (ice_set_per_vf_res(pf)) {
dev_err(dev, "Not enough resources for %d VFs, try with fewer number of VFs\n",
- num_alloc_vfs);
+ num_vfs);
ret = -ENOSPC;
goto err_unroll_sriov;
}
- /* apply default profile */
- ice_for_each_vf(pf, i) {
- vfs[i].pf = pf;
- vfs[i].vf_sw_id = pf->first_sw;
- vfs[i].vf_id = i;
-
- /* assign default capabilities */
- set_bit(ICE_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
- vfs[i].spoofchk = true;
- vfs[i].num_vf_qs = pf->num_qps_per_vf;
- }
+ ice_set_dflt_settings_vfs(pf);
if (ice_start_vfs(pf)) {
dev_err(dev, "Failed to start VF(s)\n");
@@ -1529,9 +1555,8 @@ static int ice_alloc_vfs(struct ice_pf *pf, u16 num_alloc_vfs)
return 0;
err_unroll_sriov:
+ devm_kfree(dev, pf->vf);
pf->vf = NULL;
- devm_kfree(dev, vfs);
- vfs = NULL;
pf->num_alloc_vfs = 0;
err_pci_disable_sriov:
pci_disable_sriov(pf->pdev);
@@ -1591,8 +1616,8 @@ static int ice_pci_sriov_ena(struct ice_pf *pf, int num_vfs)
return -EOPNOTSUPP;
}
- dev_info(dev, "Allocating %d VFs\n", num_vfs);
- err = ice_alloc_vfs(pf, num_vfs);
+ dev_info(dev, "Enabling %d VFs\n", num_vfs);
+ err = ice_ena_vfs(pf, num_vfs);
if (err) {
dev_err(dev, "Failed to enable SR-IOV: %d\n", err);
return err;