+static int
+i40evf_get_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
+{
+ struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
+ struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
+ int ret;
+
+ if (!lut)
+ return -EINVAL;
+
+ if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
+ ret = i40e_aq_get_rss_lut(hw, vsi->vsi_id, FALSE,
+ lut, lut_size);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "Failed to get RSS lookup table");
+ return ret;
+ }
+ } else {
+ uint32_t *lut_dw = (uint32_t *)lut;
+ uint16_t i, lut_size_dw = lut_size / 4;
+
+ for (i = 0; i < lut_size_dw; i++)
+ lut_dw[i] = I40E_READ_REG(hw, I40E_VFQF_HLUT(i));
+ }
+
+ return 0;
+}
+
+static int
+i40evf_set_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
+{
+ struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
+ struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
+ int ret;
+
+ if (!vsi || !lut)
+ return -EINVAL;
+
+ if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
+ ret = i40e_aq_set_rss_lut(hw, vsi->vsi_id, FALSE,
+ lut, lut_size);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "Failed to set RSS lookup table");
+ return ret;
+ }
+ } else {
+ uint32_t *lut_dw = (uint32_t *)lut;
+ uint16_t i, lut_size_dw = lut_size / 4;
+
+ for (i = 0; i < lut_size_dw; i++)
+ I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i), lut_dw[i]);
+ I40EVF_WRITE_FLUSH(hw);
+ }
+
+ return 0;
+}
+