Function ktls_modify_txrtlmt

freebsd/kern/uipc_ktls.c:1410–1442

#ifdef RATELIMIT
int
ktls_modify_txrtlmt(struct ktls_session *tls, uint64_t max_pacing_rate)
{
	union if_snd_tag_modify_params params = {
		.rate_limit.max_rate = max_pacing_rate,
		.rate_limit.flags = M_NOWAIT,
	};
	struct m_snd_tag *mst;
	struct ifnet *ifp;
	int error;

	/* Can't get to the inp, but it should be locked. */
	/* INP_LOCK_ASSERT(inp); */

	MPASS(tls->mode == TCP_TLS_MODE_IFNET);

	if (tls->snd_tag == NULL) {
		/*
		 * Resetting send tag, ignore this change.  The
		 * pending reset may or may not see this updated rate
		 * in the tcpcb.  If it doesn't, we will just lose
		 * this rate change.
		 */
		return (0);
	}

	MPASS(tls->snd_tag != NULL);
	MPASS(tls->snd_tag->type == IF_SND_TAG_TYPE_TLS_RATE_LIMIT);

	mst = tls->snd_tag;
	ifp = mst->ifp;
	return (ifp->if_snd_tag_modify(mst, &params));
}
#endif
#endif