net/i40e: fix VF runtime queues RSS config

[dpdk.git] / drivers / net / i40e / i40e_ethdev_vf.c

diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 308fb98..c77b30c 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -2598,7 +2598,10 @@ i40evf_config_rss(struct i40e_vf *vf)
        struct i40e_hw *hw = I40E_VF_TO_HW(vf);
        struct rte_eth_rss_conf rss_conf;
        uint32_t i, j, lut = 0, nb_q = (I40E_VFQF_HLUT_MAX_INDEX + 1) * 4;
+       uint32_t rss_lut_size = (I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4;
        uint16_t num;
+       uint8_t *lut_info;
+       int ret;
 
        if (vf->dev_data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
                i40evf_disable_rss(vf);
@@ -2608,12 +2611,29 @@ i40evf_config_rss(struct i40e_vf *vf)
 
        num = RTE_MIN(vf->dev_data->nb_rx_queues, I40E_MAX_QP_NUM_PER_VF);
        /* Fill out the look up table */
-       for (i = 0, j = 0; i < nb_q; i++, j++) {
-               if (j >= num)
-                       j = 0;
-               lut = (lut << 8) | j;
-               if ((i & 3) == 3)
-                       I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i >> 2), lut);
+       if (!(vf->flags & I40E_FLAG_RSS_AQ_CAPABLE)) {
+               for (i = 0, j = 0; i < nb_q; i++, j++) {
+                       if (j >= num)
+                               j = 0;
+                       lut = (lut << 8) | j;
+                       if ((i & 3) == 3)
+                               I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i >> 2), lut);
+               }
+       } else {
+               lut_info = rte_zmalloc("i40e_rss_lut", rss_lut_size, 0);
+               if (!lut_info) {
+                       PMD_DRV_LOG(ERR, "No memory can be allocated");
+                       return -ENOMEM;
+               }
+
+               for (i = 0; i < rss_lut_size; i++)
+                       lut_info[i] = i % vf->num_queue_pairs;
+
+               ret = i40evf_set_rss_lut(&vf->vsi, lut_info,
+                                        rss_lut_size);
+               rte_free(lut_info);
+               if (ret)
+                       return ret;
        }
 
        rss_conf = vf->dev_data->dev_conf.rx_adv_conf.rss_conf;