+#if EFSYS_OPT_RX_SCALE
+efx_rx_hash_type_t
+sfc_rte_to_efx_hash_type(uint64_t rss_hf)
+{
+ efx_rx_hash_type_t efx_hash_types = 0;
+
+ if ((rss_hf & (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
+ ETH_RSS_NONFRAG_IPV4_OTHER)) != 0)
+ efx_hash_types |= EFX_RX_HASH_IPV4;
+
+ if ((rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) != 0)
+ efx_hash_types |= EFX_RX_HASH_TCPIPV4;
+
+ if ((rss_hf & (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
+ ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_IPV6_EX)) != 0)
+ efx_hash_types |= EFX_RX_HASH_IPV6;
+
+ if ((rss_hf & (ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_IPV6_TCP_EX)) != 0)
+ efx_hash_types |= EFX_RX_HASH_TCPIPV6;
+
+ return efx_hash_types;
+}
+
+uint64_t
+sfc_efx_to_rte_hash_type(efx_rx_hash_type_t efx_hash_types)
+{
+ uint64_t rss_hf = 0;
+
+ if ((efx_hash_types & EFX_RX_HASH_IPV4) != 0)
+ rss_hf |= (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
+ ETH_RSS_NONFRAG_IPV4_OTHER);
+
+ if ((efx_hash_types & EFX_RX_HASH_TCPIPV4) != 0)
+ rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
+
+ if ((efx_hash_types & EFX_RX_HASH_IPV6) != 0)
+ rss_hf |= (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
+ ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_IPV6_EX);
+
+ if ((efx_hash_types & EFX_RX_HASH_TCPIPV6) != 0)
+ rss_hf |= (ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_IPV6_TCP_EX);
+
+ return rss_hf;
+}
+#endif
+
+static int
+sfc_rx_rss_config(struct sfc_adapter *sa)
+{
+ int rc = 0;
+
+#if EFSYS_OPT_RX_SCALE
+ if (sa->rss_channels > 1) {
+ rc = efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
+ sa->rss_hash_types, B_TRUE);
+ if (rc != 0)
+ goto finish;
+
+ rc = efx_rx_scale_key_set(sa->nic, sa->rss_key,
+ sizeof(sa->rss_key));
+ if (rc != 0)
+ goto finish;
+
+ rc = efx_rx_scale_tbl_set(sa->nic, sa->rss_tbl,
+ sizeof(sa->rss_tbl));
+ }
+
+finish:
+#endif
+ return rc;
+}
+