+/*
+ * Additional RSS configurations based on vmxnet v4+ APIs
+ */
+int
+vmxnet3_v4_rss_configure(struct rte_eth_dev *dev)
+{
+ struct vmxnet3_hw *hw = dev->data->dev_private;
+ Vmxnet3_DriverShared *shared = hw->shared;
+ Vmxnet3_CmdInfo *cmdInfo = &shared->cu.cmdInfo;
+ struct rte_eth_rss_conf *port_rss_conf;
+ uint64_t rss_hf;
+ uint32_t ret;
+
+ PMD_INIT_FUNC_TRACE();
+
+ cmdInfo->setRSSFields = 0;
+ port_rss_conf = &dev->data->dev_conf.rx_adv_conf.rss_conf;
+ rss_hf = port_rss_conf->rss_hf &
+ (VMXNET3_V4_RSS_MASK | VMXNET3_RSS_OFFLOAD_ALL);
+
+ if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
+ cmdInfo->setRSSFields |= VMXNET3_RSS_FIELDS_TCPIP4;
+ if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
+ cmdInfo->setRSSFields |= VMXNET3_RSS_FIELDS_TCPIP6;
+ if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
+ cmdInfo->setRSSFields |= VMXNET3_RSS_FIELDS_UDPIP4;
+ if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
+ cmdInfo->setRSSFields |= VMXNET3_RSS_FIELDS_UDPIP6;
+
+ VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
+ VMXNET3_CMD_SET_RSS_FIELDS);
+ ret = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD);
+
+ if (ret != VMXNET3_SUCCESS) {
+ PMD_DRV_LOG(ERR, "Set RSS fields (v4) failed: %d", ret);
+ }
+
+ return ret;
+}
+