Function ff_rss_check

lib/ff_dpdk_if.c:2731–2767

}

int
ff_rss_check(void *softc, uint32_t saddr, uint32_t daddr,
    uint16_t sport, uint16_t dport)
{
    struct lcore_conf *qconf = &lcore_conf;
    struct ff_dpdk_if_context *ctx = ff_veth_softc_to_hostc(softc);
    uint16_t nb_queues = qconf->nb_queue_list[ctx->port_id];

    if (nb_queues <= 1) {
        return 1;
    }

    uint16_t reta_size = rss_reta_size[ctx->port_id];
    uint16_t queueid = qconf->tx_queue_id[ctx->port_id];

    uint8_t data[sizeof(saddr) + sizeof(daddr) + sizeof(sport) +
            sizeof(dport)];

    unsigned datalen = 0;

    bcopy(&saddr, &data[datalen], sizeof(saddr));
    datalen += sizeof(saddr);

    bcopy(&daddr, &data[datalen], sizeof(daddr));
    datalen += sizeof(daddr);

    bcopy(&sport, &data[datalen], sizeof(sport));
    datalen += sizeof(sport);

    bcopy(&dport, &data[datalen], sizeof(dport));
    datalen += sizeof(dport);

    uint32_t hash = 0;
    hash = toeplitz_hash(rsskey_len, rsskey, datalen, data);

    return ((hash & (reta_size - 1)) % nb_queues) == queueid;
}

void
ff_regist_packet_dispatcher(dispatch_func_t func)