errno_t
mbuf_set_timestamp_requested(mbuf_t m, uintptr_t *pktid,
mbuf_tx_compl_func callback)
{
size_t i;
if (m == NULL || !(m->m_flags & M_PKTHDR) || callback == NULL ||
pktid == NULL)
return (EINVAL);
i = get_tx_compl_callback_index(callback);
if (i == UINT32_MAX)
return (ENOENT);
#if (DEBUG || DEVELOPMENT)
VERIFY(i < sizeof(m->m_pkthdr.pkt_compl_callbacks));
#endif /* (DEBUG || DEVELOPMENT) */
if ((m->m_pkthdr.pkt_flags & PKTF_TX_COMPL_TS_REQ) == 0) {
m->m_pkthdr.pkt_compl_callbacks = 0;
m->m_pkthdr.pkt_flags |= PKTF_TX_COMPL_TS_REQ;
m->m_pkthdr.pkt_compl_context =
atomic_add_32_ov(&mbuf_tx_compl_index, 1);
#if (DEBUG || DEVELOPMENT)
if (mbuf_tx_compl_debug != 0) {
OSIncrementAtomic64(&mbuf_tx_compl_outstanding);
}
#endif /* (DEBUG || DEVELOPMENT) */
}
m->m_pkthdr.pkt_compl_callbacks |= (1 << i);
*pktid = m->m_pkthdr.pkt_compl_context;
return (0);
}
kern_return_t
thread_policy_create_work_interval(
thread_t thread,
uint64_t *work_interval_id)
{
thread_mtx_lock(thread);
if (thread->work_interval_id) {
/* already assigned a work interval ID */
thread_mtx_unlock(thread);
return (KERN_INVALID_VALUE);
}
thread->work_interval_id = OSIncrementAtomic64((volatile int64_t *)&unique_work_interval_id);
*work_interval_id = thread->work_interval_id;
thread_mtx_unlock(thread);
return KERN_SUCCESS;
}
