void
iwm_mvm_protect_session(struct iwm_softc *sc, struct iwm_vap *ivp,
uint32_t duration, uint32_t max_delay)
{
struct iwm_time_event_cmd time_cmd = {};
time_cmd.action = htole32(IWM_FW_CTXT_ACTION_ADD);
time_cmd.id_and_color =
htole32(IWM_FW_CMD_ID_AND_COLOR(ivp->id, ivp->color));
time_cmd.id = htole32(IWM_TE_BSS_STA_AGGRESSIVE_ASSOC);
time_cmd.apply_time = htole32(0);
time_cmd.max_frags = IWM_TE_V2_FRAG_NONE;
time_cmd.max_delay = htole32(max_delay);
/* TODO: why do we need to interval = bi if it is not periodic? */
time_cmd.interval = htole32(1);
time_cmd.duration = htole32(duration);
time_cmd.repeat = 1;
time_cmd.policy
= htole16(IWM_TE_V2_NOTIF_HOST_EVENT_START |
IWM_TE_V2_NOTIF_HOST_EVENT_END |
IWM_T2_V2_START_IMMEDIATELY);
iwm_mvm_time_event_send_add(sc, ivp, /*te_data*/NULL, &time_cmd);
}
void
iwm_mvm_protect_session(struct iwm_softc *sc, struct iwm_vap *ivp,
uint32_t duration, uint32_t max_delay, boolean_t wait_for_notif)
{
const uint16_t te_notif_response[] = { IWM_TIME_EVENT_NOTIFICATION };
struct iwm_notification_wait wait_te_notif;
struct iwm_time_event_cmd time_cmd = {};
/* Do nothing if a time event is already scheduled. */
if (sc->sc_flags & IWM_FLAG_TE_ACTIVE)
return;
time_cmd.action = htole32(IWM_FW_CTXT_ACTION_ADD);
time_cmd.id_and_color =
htole32(IWM_FW_CMD_ID_AND_COLOR(ivp->id, ivp->color));
time_cmd.id = htole32(IWM_TE_BSS_STA_AGGRESSIVE_ASSOC);
time_cmd.apply_time = htole32(0);
time_cmd.max_frags = IWM_TE_V2_FRAG_NONE;
time_cmd.max_delay = htole32(max_delay);
/* TODO: why do we need to interval = bi if it is not periodic? */
time_cmd.interval = htole32(1);
time_cmd.duration = htole32(duration);
time_cmd.repeat = 1;
time_cmd.policy = htole16(IWM_TE_V2_NOTIF_HOST_EVENT_START |
IWM_TE_V2_NOTIF_HOST_EVENT_END |
IWM_T2_V2_START_IMMEDIATELY);
if (!wait_for_notif) {
iwm_mvm_time_event_send_add(sc, ivp, /*te_data*/NULL, &time_cmd);
DELAY(100);
sc->sc_flags |= IWM_FLAG_TE_ACTIVE;
return;
}
/*
* Create notification_wait for the TIME_EVENT_NOTIFICATION to use
* right after we send the time event
*/
iwm_init_notification_wait(sc->sc_notif_wait, &wait_te_notif,
te_notif_response, NELEM(te_notif_response),
iwm_mvm_te_notif, /*te_data*/NULL);
/* If TE was sent OK - wait for the notification that started */
if (iwm_mvm_time_event_send_add(sc, ivp, /*te_data*/NULL, &time_cmd)) {
IWM_DPRINTF(sc, IWM_DEBUG_TE,
"%s: Failed to add TE to protect session\n", __func__);
iwm_remove_notification(sc->sc_notif_wait, &wait_te_notif);
} else {
sc->sc_flags |= IWM_FLAG_TE_ACTIVE;
IWM_UNLOCK(sc);
if (iwm_wait_notification(sc->sc_notif_wait, &wait_te_notif,
TU_TO_HZ(max_delay))) {
IWM_DPRINTF(sc, IWM_DEBUG_TE,
"%s: Failed to protect session until TE\n",
__func__);
}
IWM_LOCK(sc);
}
}
