[Bug 251052] [sctp] Throughput becomes extremely low under load

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251052

--- Comment #9 from Bryan Drewery <bdrewery@FreeBSD.org> ---
(In reply to Michael Tuexen from comment #7)

iperf3 only does this. num_ostreams is only used here so I don't think it does
anything else beyond this.

if (test->settings->num_ostreams > 0) {
    struct sctp_initmsg initmsg;

    memset(&initmsg, 0, sizeof(struct sctp_initmsg));
    initmsg.sinit_num_ostreams = test->settings->num_ostreams;

    if (setsockopt(s, IPPROTO_SCTP, SCTP_INITMSG, &initmsg, sizeof(struct
sctp_initmsg)) < 0) {
            saved_errno = errno;
            close(s);
            freeaddrinfo(server_res);
            errno = saved_errno;
            i_errno = IESETSCTPNSTREAM;
            return -1;
    }
}

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