Initializing port 0 ... Creating queues: nb_rxq=2 nb_txq=4... Ethdev port_id=0 invalid rss_hf: 0x3afbc, valid value: 0x38f3c

Initializing port 0 ... Creating queues: nb_rxq=2 nb_txq=4... Ethdev port_id=0 invalid rss_hf: 0x3afbc, valid value: 0x38f3c

        /* Check that device supports requested rss hash functions. */
        if ((dev_info.flow_type_rss_offloads |
             dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
            dev_info.flow_type_rss_offloads) {
                RTE_ETHDEV_LOG(ERR,
                        "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"
",
                        port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
                        dev_info.flow_type_rss_offloads);
                ret = -EINVAL;
                goto rollback;
        }

　　

static uint8_t intel_rss_key[40] =
{
    0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A,
    0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A,
    0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A,
    0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A
};

0x38f3c  --> 0011  1000  1111 0011 1100

ETH_RSS_IPV4

#define ETH_RSS_IPV4               (1ULL << 2)
#define ETH_RSS_FRAG_IPV4          (1ULL << 3)
#define ETH_RSS_NONFRAG_IPV4_TCP   (1ULL << 4)
#define ETH_RSS_NONFRAG_IPV4_UDP   (1ULL << 5)
#define ETH_RSS_NONFRAG_IPV4_SCTP  (1ULL << 6)
#define ETH_RSS_NONFRAG_IPV4_OTHER (1ULL << 7) --------不支持
#define ETH_RSS_IPV6               (1ULL << 8)
#define ETH_RSS_FRAG_IPV6          (1ULL << 9)
#define ETH_RSS_NONFRAG_IPV6_TCP   (1ULL << 10)
#define ETH_RSS_NONFRAG_IPV6_UDP   (1ULL << 11)
#define ETH_RSS_NONFRAG_IPV6_SCTP  (1ULL << 12)
#define ETH_RSS_NONFRAG_IPV6_OTHER (1ULL << 13)----------不支持
#define ETH_RSS_L2_PAYLOAD         (1ULL << 14)
#define ETH_RSS_IPV6_EX            (1ULL << 15)
#define ETH_RSS_IPV6_TCP_EX        (1ULL << 16)
#define ETH_RSS_IPV6_UDP_EX        (1ULL << 17)
#define ETH_RSS_PORT               (1ULL << 18)
#define ETH_RSS_VXLAN              (1ULL << 19)
#define ETH_RSS_GENEVE             (1ULL << 20)
#define ETH_RSS_NVGRE              (1ULL << 21)
#define ETH_RSS_GTPU               (1ULL << 23)