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Differential D2655 Diff 5892 sys/net80211/ieee80211_power.c

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sys/net80211/ieee80211_power.c

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*/ */
static void static void
pwrsave_flushq(struct ieee80211_node *ni) pwrsave_flushq(struct ieee80211_node *ni)
{ {
struct ieee80211_psq *psq = &ni->ni_psq; struct ieee80211_psq *psq = &ni->ni_psq;
struct ieee80211com *ic = ni->ni_ic; struct ieee80211com *ic = ni->ni_ic;
struct ieee80211vap *vap = ni->ni_vap; struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211_psq_head *qhead; struct ieee80211_psq_head *qhead;
struct ifnet *parent, *ifp;
struct mbuf *parent_q = NULL, *ifp_q = NULL; struct mbuf *parent_q = NULL, *ifp_q = NULL;
struct mbuf *m; struct mbuf *m;
IEEE80211_NOTE(vap, IEEE80211_MSG_POWER, ni, IEEE80211_NOTE(vap, IEEE80211_MSG_POWER, ni,
"flush ps queue, %u packets queued", psq->psq_len); "flush ps queue, %u packets queued", psq->psq_len);
IEEE80211_PSQ_LOCK(psq); IEEE80211_PSQ_LOCK(psq);
qhead = &psq->psq_head[0]; /* 802.11 frames */ qhead = &psq->psq_head[0]; /* 802.11 frames */
if (qhead->head != NULL) { if (qhead->head != NULL) {
/* XXX could dispatch through vap and check M_ENCAP */ /* XXX could dispatch through vap and check M_ENCAP */
parent = vap->iv_ic->ic_ifp;
/* XXX need different driver interface */ /* XXX need different driver interface */
/* XXX bypasses q max and OACTIVE */ /* XXX bypasses q max and OACTIVE */
parent_q = qhead->head; parent_q = qhead->head;
qhead->head = qhead->tail = NULL; qhead->head = qhead->tail = NULL;
qhead->len = 0; qhead->len = 0;
} else }
parent = NULL;
qhead = &psq->psq_head[1]; /* 802.3 frames */ qhead = &psq->psq_head[1]; /* 802.3 frames */
if (qhead->head != NULL) { if (qhead->head != NULL) {
ifp = vap->iv_ifp;
/* XXX need different driver interface */ /* XXX need different driver interface */
/* XXX bypasses q max and OACTIVE */ /* XXX bypasses q max and OACTIVE */
ifp_q = qhead->head; ifp_q = qhead->head;
qhead->head = qhead->tail = NULL; qhead->head = qhead->tail = NULL;
qhead->len = 0; qhead->len = 0;
} else }
ifp = NULL;
psq->psq_len = 0; psq->psq_len = 0;
IEEE80211_PSQ_UNLOCK(psq); IEEE80211_PSQ_UNLOCK(psq);
/* NB: do this outside the psq lock */ /* NB: do this outside the psq lock */
/* XXX packets might get reordered if parent is OACTIVE */ /* XXX packets might get reordered if parent is OACTIVE */
/* parent frames, should be encapsulated */ /* parent frames, should be encapsulated */
if (parent != NULL) {
while (parent_q != NULL) { while (parent_q != NULL) {
m = parent_q; m = parent_q;
parent_q = m->m_nextpkt; parent_q = m->m_nextpkt;
m->m_nextpkt = NULL; m->m_nextpkt = NULL;
/* must be encapsulated */ /* must be encapsulated */
KASSERT((m->m_flags & M_ENCAP), KASSERT((m->m_flags & M_ENCAP),
("%s: parentq with non-M_ENCAP frame!\n", ("%s: parentq with non-M_ENCAP frame!\n",
__func__)); __func__));
/* /*
* For encaped frames, we need to free the node * For encaped frames, we need to free the node
* reference upon failure. * reference upon failure.
*/ */
if (ieee80211_parent_xmitpkt(ic, m) != 0) if (ieee80211_parent_xmitpkt(ic, m) != 0)
ieee80211_free_node(ni); ieee80211_free_node(ni);
} }
}
/* VAP frames, aren't encapsulated */ /* VAP frames, aren't encapsulated */
if (ifp != NULL) {
while (ifp_q != NULL) { while (ifp_q != NULL) {
m = ifp_q; m = ifp_q;
ifp_q = m->m_nextpkt; ifp_q = m->m_nextpkt;
m->m_nextpkt = NULL; m->m_nextpkt = NULL;
KASSERT((!(m->m_flags & M_ENCAP)), KASSERT((!(m->m_flags & M_ENCAP)),
("%s: vapq with M_ENCAP frame!\n", __func__)); ("%s: vapq with M_ENCAP frame!\n", __func__));
(void) ieee80211_vap_xmitpkt(vap, m); (void) ieee80211_vap_xmitpkt(vap, m);
}
} }
} }
/* /*
* Handle station power-save state change. * Handle station power-save state change.
*/ */
void void
ieee80211_node_pwrsave(struct ieee80211_node *ni, int enable) ieee80211_node_pwrsave(struct ieee80211_node *ni, int enable)
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