+int
+i40e_rss_conf_init(struct i40e_rte_flow_rss_conf *out,
+ const struct rte_flow_action_rss *in)
+{
+ if (in->key_len > RTE_DIM(out->key) ||
+ in->queue_num > RTE_DIM(out->queue))
+ return -EINVAL;
+ if (!in->key && in->key_len)
+ return -EINVAL;
+ out->conf = (struct rte_flow_action_rss){
+ .func = in->func,
+ .level = in->level,
+ .types = in->types,
+ .key_len = in->key_len,
+ .queue_num = in->queue_num,
+ .queue = memcpy(out->queue, in->queue,
+ sizeof(*in->queue) * in->queue_num),
+ };
+ if (in->key)
+ out->conf.key = memcpy(out->key, in->key, in->key_len);
+ return 0;
+}
+
+/* Write HENA register to enable hash */
+static int
+i40e_rss_hash_set(struct i40e_pf *pf, struct i40e_rte_flow_rss_conf *rss_conf)
+{
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ uint8_t *key = (void *)(uintptr_t)rss_conf->conf.key;
+ uint64_t hena;
+ int ret;
+
+ ret = i40e_set_rss_key(pf->main_vsi, key,
+ rss_conf->conf.key_len);
+ if (ret)
+ return ret;
+
+ hena = i40e_config_hena(pf->adapter, rss_conf->conf.types);
+ i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (uint32_t)hena);
+ i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (uint32_t)(hena >> 32));
+ I40E_WRITE_FLUSH(hw);
+
+ return 0;
+}
+
+/* Configure hash input set */
+static int
+i40e_rss_conf_hash_inset(struct i40e_pf *pf, uint64_t types)
+{
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ struct rte_eth_input_set_conf conf;
+ uint64_t mask0;
+ int ret = 0;
+ uint32_t j;
+ int i;
+ static const struct {
+ uint64_t type;
+ enum rte_eth_input_set_field field;
+ } inset_match_table[] = {
+ {ETH_RSS_FRAG_IPV4 | ETH_RSS_L3_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L3_SRC_IP4},
+ {ETH_RSS_FRAG_IPV4 | ETH_RSS_L3_DST_ONLY,
+ RTE_ETH_INPUT_SET_L3_DST_IP4},
+ {ETH_RSS_FRAG_IPV4 | ETH_RSS_L4_SRC_ONLY,
+ RTE_ETH_INPUT_SET_UNKNOWN},
+ {ETH_RSS_FRAG_IPV4 | ETH_RSS_L4_DST_ONLY,
+ RTE_ETH_INPUT_SET_UNKNOWN},
+
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L3_SRC_IP4},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY,
+ RTE_ETH_INPUT_SET_L3_DST_IP4},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L4_TCP_SRC_PORT},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_DST_ONLY,
+ RTE_ETH_INPUT_SET_L4_TCP_DST_PORT},
+
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L3_SRC_IP4},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY,
+ RTE_ETH_INPUT_SET_L3_DST_IP4},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L4_UDP_SRC_PORT},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_DST_ONLY,
+ RTE_ETH_INPUT_SET_L4_UDP_DST_PORT},
+
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L3_SRC_IP4},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY,
+ RTE_ETH_INPUT_SET_L3_DST_IP4},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L4_SCTP_SRC_PORT},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_DST_ONLY,
+ RTE_ETH_INPUT_SET_L4_SCTP_DST_PORT},
+
+ {ETH_RSS_NONFRAG_IPV4_OTHER | ETH_RSS_L3_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L3_SRC_IP4},
+ {ETH_RSS_NONFRAG_IPV4_OTHER | ETH_RSS_L3_DST_ONLY,
+ RTE_ETH_INPUT_SET_L3_DST_IP4},
+ {ETH_RSS_NONFRAG_IPV4_OTHER | ETH_RSS_L4_SRC_ONLY,
+ RTE_ETH_INPUT_SET_UNKNOWN},
+ {ETH_RSS_NONFRAG_IPV4_OTHER | ETH_RSS_L4_DST_ONLY,
+ RTE_ETH_INPUT_SET_UNKNOWN},
+
+ {ETH_RSS_FRAG_IPV6 | ETH_RSS_L3_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L3_SRC_IP6},
+ {ETH_RSS_FRAG_IPV6 | ETH_RSS_L3_DST_ONLY,
+ RTE_ETH_INPUT_SET_L3_DST_IP6},
+ {ETH_RSS_FRAG_IPV6 | ETH_RSS_L4_SRC_ONLY,
+ RTE_ETH_INPUT_SET_UNKNOWN},
+ {ETH_RSS_FRAG_IPV6 | ETH_RSS_L4_DST_ONLY,
+ RTE_ETH_INPUT_SET_UNKNOWN},
+
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L3_SRC_IP6},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY,
+ RTE_ETH_INPUT_SET_L3_DST_IP6},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L4_TCP_SRC_PORT},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_DST_ONLY,
+ RTE_ETH_INPUT_SET_L4_TCP_DST_PORT},
+
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L3_SRC_IP6},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY,
+ RTE_ETH_INPUT_SET_L3_DST_IP6},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L4_UDP_SRC_PORT},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_DST_ONLY,
+ RTE_ETH_INPUT_SET_L4_UDP_DST_PORT},
+
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L3_SRC_IP6},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY,
+ RTE_ETH_INPUT_SET_L3_DST_IP6},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L4_SCTP_SRC_PORT},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_DST_ONLY,
+ RTE_ETH_INPUT_SET_L4_SCTP_DST_PORT},
+
+ {ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_L3_SRC_ONLY,
+ RTE_ETH_INPUT_SET_L3_SRC_IP6},
+ {ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_L3_DST_ONLY,
+ RTE_ETH_INPUT_SET_L3_DST_IP6},
+ {ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_L4_SRC_ONLY,
+ RTE_ETH_INPUT_SET_UNKNOWN},
+ {ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_L4_DST_ONLY,
+ RTE_ETH_INPUT_SET_UNKNOWN},
+ };
+
+ mask0 = types & pf->adapter->flow_types_mask;
+ conf.op = RTE_ETH_INPUT_SET_SELECT;
+ conf.inset_size = 0;
+ for (i = RTE_ETH_FLOW_UNKNOWN + 1; i < RTE_ETH_FLOW_MAX; i++) {
+ if (mask0 & (1ULL << i)) {
+ conf.flow_type = i;
+ break;
+ }
+ }
+
+ for (j = 0; j < RTE_DIM(inset_match_table); j++) {
+ if ((types & inset_match_table[j].type) ==
+ inset_match_table[j].type) {
+ if (inset_match_table[j].field ==
+ RTE_ETH_INPUT_SET_UNKNOWN)
+ return -EINVAL;
+
+ conf.field[conf.inset_size] =
+ inset_match_table[j].field;
+ conf.inset_size++;
+ }
+ }
+
+ if (conf.inset_size) {
+ ret = i40e_hash_filter_inset_select(hw, &conf);
+ if (ret)
+ return ret;
+ }
+
+ return ret;
+}
+
+/* Look up the conflicted rule then mark it as invalid */