+static int hn_rss_reta_update(struct rte_eth_dev *dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct hn_data *hv = dev->data->dev_private;
+ unsigned int i;
+ int err;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (reta_size != NDIS_HASH_INDCNT) {
+ PMD_DRV_LOG(ERR, "Hash lookup table size does not match NDIS");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < NDIS_HASH_INDCNT; i++) {
+ uint16_t idx = i / RTE_RETA_GROUP_SIZE;
+ uint16_t shift = i % RTE_RETA_GROUP_SIZE;
+ uint64_t mask = (uint64_t)1 << shift;
+
+ if (reta_conf[idx].mask & mask)
+ hv->rss_ind[i] = reta_conf[idx].reta[shift];
+ }
+
+ err = hn_rndis_conf_rss(hv, NDIS_RSS_FLAG_DISABLE);
+ if (err) {
+ PMD_DRV_LOG(NOTICE,
+ "rss disable failed");
+ return err;
+ }
+
+ err = hn_rndis_conf_rss(hv, 0);
+ if (err) {
+ PMD_DRV_LOG(NOTICE,
+ "reta reconfig failed");
+ return err;
+ }
+
+ return hn_vf_reta_hash_update(dev, reta_conf, reta_size);
+}
+
+static int hn_rss_reta_query(struct rte_eth_dev *dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct hn_data *hv = dev->data->dev_private;
+ unsigned int i;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (reta_size != NDIS_HASH_INDCNT) {
+ PMD_DRV_LOG(ERR, "Hash lookup table size does not match NDIS");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < NDIS_HASH_INDCNT; i++) {
+ uint16_t idx = i / RTE_RETA_GROUP_SIZE;
+ uint16_t shift = i % RTE_RETA_GROUP_SIZE;
+ uint64_t mask = (uint64_t)1 << shift;
+
+ if (reta_conf[idx].mask & mask)
+ reta_conf[idx].reta[shift] = hv->rss_ind[i];
+ }
+ return 0;
+}
+
+static void hn_rss_hash_init(struct hn_data *hv,
+ const struct rte_eth_rss_conf *rss_conf)
+{
+ /* Convert from DPDK RSS hash flags to NDIS hash flags */
+ hv->rss_hash = NDIS_HASH_FUNCTION_TOEPLITZ;
+
+ if (rss_conf->rss_hf & ETH_RSS_IPV4)
+ hv->rss_hash |= NDIS_HASH_IPV4;
+ if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
+ hv->rss_hash |= NDIS_HASH_TCP_IPV4;
+ if (rss_conf->rss_hf & ETH_RSS_IPV6)
+ hv->rss_hash |= NDIS_HASH_IPV6;
+ if (rss_conf->rss_hf & ETH_RSS_IPV6_EX)
+ hv->rss_hash |= NDIS_HASH_IPV6_EX;
+ if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
+ hv->rss_hash |= NDIS_HASH_TCP_IPV6;
+ if (rss_conf->rss_hf & ETH_RSS_IPV6_TCP_EX)
+ hv->rss_hash |= NDIS_HASH_TCP_IPV6_EX;
+
+ memcpy(hv->rss_key, rss_conf->rss_key ? : rss_default_key,
+ NDIS_HASH_KEYSIZE_TOEPLITZ);
+}
+
+static int hn_rss_hash_update(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct hn_data *hv = dev->data->dev_private;
+ int err;
+
+ PMD_INIT_FUNC_TRACE();
+
+ err = hn_rndis_conf_rss(hv, NDIS_RSS_FLAG_DISABLE);
+ if (err) {
+ PMD_DRV_LOG(NOTICE,
+ "rss disable failed");
+ return err;
+ }
+
+ hn_rss_hash_init(hv, rss_conf);
+
+ if (rss_conf->rss_hf != 0) {
+ err = hn_rndis_conf_rss(hv, 0);
+ if (err) {
+ PMD_DRV_LOG(NOTICE,
+ "rss reconfig failed (RSS disabled)");
+ return err;
+ }
+ }
+
+ return hn_vf_rss_hash_update(dev, rss_conf);
+}
+
+static int hn_rss_hash_conf_get(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct hn_data *hv = dev->data->dev_private;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (hv->ndis_ver < NDIS_VERSION_6_20) {
+ PMD_DRV_LOG(DEBUG, "RSS not supported on this host");
+ return -EOPNOTSUPP;
+ }
+
+ rss_conf->rss_key_len = NDIS_HASH_KEYSIZE_TOEPLITZ;
+ if (rss_conf->rss_key)
+ memcpy(rss_conf->rss_key, hv->rss_key,
+ NDIS_HASH_KEYSIZE_TOEPLITZ);
+
+ rss_conf->rss_hf = 0;
+ if (hv->rss_hash & NDIS_HASH_IPV4)
+ rss_conf->rss_hf |= ETH_RSS_IPV4;
+
+ if (hv->rss_hash & NDIS_HASH_TCP_IPV4)
+ rss_conf->rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
+
+ if (hv->rss_hash & NDIS_HASH_IPV6)
+ rss_conf->rss_hf |= ETH_RSS_IPV6;
+
+ if (hv->rss_hash & NDIS_HASH_IPV6_EX)
+ rss_conf->rss_hf |= ETH_RSS_IPV6_EX;
+
+ if (hv->rss_hash & NDIS_HASH_TCP_IPV6)
+ rss_conf->rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
+
+ if (hv->rss_hash & NDIS_HASH_TCP_IPV6_EX)
+ rss_conf->rss_hf |= ETH_RSS_IPV6_TCP_EX;
+
+ return 0;
+}
+
+static int