+/* Update RSS hash configuration
+ */
+static int cxgbe_dev_rss_hash_update(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct port_info *pi = (struct port_info *)(dev->data->dev_private);
+ struct adapter *adapter = pi->adapter;
+ int err;
+
+ err = cxgbe_write_rss_conf(pi, rss_conf->rss_hf);
+ if (err)
+ return err;
+
+ pi->rss_hf = rss_conf->rss_hf;
+
+ if (rss_conf->rss_key) {
+ u32 key[10], mod_key[10];
+ int i, j;
+
+ memcpy(key, rss_conf->rss_key, CXGBE_DEFAULT_RSS_KEY_LEN);
+
+ for (i = 9, j = 0; i >= 0; i--, j++)
+ mod_key[j] = cpu_to_be32(key[i]);
+
+ t4_write_rss_key(adapter, mod_key, -1);
+ }
+
+ return 0;
+}
+
+/* Get RSS hash configuration
+ */
+static int cxgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct port_info *pi = (struct port_info *)(dev->data->dev_private);
+ struct adapter *adapter = pi->adapter;
+ u64 rss_hf = 0;
+ u64 flags = 0;
+ int err;
+
+ err = t4_read_config_vi_rss(adapter, adapter->mbox, pi->viid,
+ &flags, NULL);
+
+ if (err)
+ return err;
+
+ if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) {
+ rss_hf |= CXGBE_RSS_HF_TCP_IPV6_MASK;
+ if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
+ rss_hf |= CXGBE_RSS_HF_UDP_IPV6_MASK;
+ }
+
+ if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
+ rss_hf |= CXGBE_RSS_HF_IPV6_MASK;
+
+ if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) {
+ rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
+ if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
+ rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
+ }
+
+ if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
+ rss_hf |= CXGBE_RSS_HF_IPV4_MASK;
+
+ rss_conf->rss_hf = rss_hf;
+
+ if (rss_conf->rss_key) {
+ u32 key[10], mod_key[10];
+ int i, j;
+
+ t4_read_rss_key(adapter, key);
+
+ for (i = 9, j = 0; i >= 0; i--, j++)
+ mod_key[j] = be32_to_cpu(key[i]);
+
+ memcpy(rss_conf->rss_key, mod_key, CXGBE_DEFAULT_RSS_KEY_LEN);
+ }
+
+ return 0;
+}
+