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@@ -0,0 +1,2208 @@
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+diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
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+--- madwifi.old/ath/if_ath.c 2007-05-18 13:19:16.000000000 +0200
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++++ madwifi.dev/ath/if_ath.c 2007-05-21 08:10:46.864754176 +0200
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+@@ -158,8 +158,7 @@
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+ static int ath_desc_alloc(struct ath_softc *);
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+ static void ath_desc_free(struct ath_softc *);
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+ static void ath_desc_swap(struct ath_desc *);
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+-static struct ieee80211_node *ath_node_alloc(struct ieee80211_node_table *,
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+- struct ieee80211vap *);
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++static struct ieee80211_node *ath_node_alloc(struct ieee80211vap *);
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+ static void ath_node_cleanup(struct ieee80211_node *);
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+ static void ath_node_free(struct ieee80211_node *);
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+ static u_int8_t ath_node_getrssi(const struct ieee80211_node *);
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+@@ -2385,7 +2384,7 @@
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+ if (ath_tx_start(sc->sc_dev, ni, bf_ff, bf_ff->bf_skb, 0) == 0)
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+ continue;
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+ bad:
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ if (bf_ff->bf_skb != NULL) {
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+ dev_kfree_skb(bf_ff->bf_skb);
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+ bf_ff->bf_skb = NULL;
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+@@ -2525,8 +2524,10 @@
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+ skb = bf->bf_skb;
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+ ATH_FF_MAGIC_PUT(skb);
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+
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++#if 0
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+ /* decrement extra node reference made when an_tx_ffbuf[] was set */
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+- //ieee80211_free_node(ni); /* XXX where was it set ? */
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++ ieee80211_unref_node(&ni); /* XXX where was it set ? */
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++#endif
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+
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+ DPRINTF(sc, ATH_DEBUG_XMIT | ATH_DEBUG_FF,
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+ "%s: aggregating fast-frame\n", __func__);
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+@@ -2585,7 +2586,7 @@
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+ ff_flushbad:
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+ DPRINTF(sc, ATH_DEBUG_XMIT | ATH_DEBUG_FF,
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+ "%s: ff stageq flush failure\n", __func__);
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ if (bf_ff->bf_skb) {
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+ dev_kfree_skb(bf_ff->bf_skb);
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+ bf_ff->bf_skb = NULL;
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+@@ -2707,7 +2708,7 @@
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+ tbf->bf_node = NULL;
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+
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+ if (ni != NULL)
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+
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+ STAILQ_INSERT_TAIL(&sc->sc_txbuf, tbf, bf_list);
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+ }
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+@@ -2789,7 +2790,7 @@
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+ /* fall thru... */
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+ bad:
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+ if (ni != NULL)
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ if (bf != NULL) {
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+ bf->bf_skb = NULL;
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+ bf->bf_node = NULL;
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+@@ -3178,7 +3179,7 @@
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+ */
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+ ni = sc->sc_keyixmap[keyix];
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+ if (ni != NULL) {
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ sc->sc_keyixmap[keyix] = NULL;
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+ }
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+ /*
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+@@ -3189,7 +3190,7 @@
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+ ath_hal_keyreset(ah, keyix + 32); /* RX key */
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+ ni = sc->sc_keyixmap[keyix + 32];
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+ if (ni != NULL) { /* as above... */
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ sc->sc_keyixmap[keyix + 32] = NULL;
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+ }
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+ }
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+@@ -3202,7 +3203,7 @@
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+ ath_hal_keyreset(ah, keyix + rxkeyoff);
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+ ni = sc->sc_keyixmap[keyix + rxkeyoff];
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+ if (ni != NULL) { /* as above... */
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ sc->sc_keyixmap[keyix + rxkeyoff] = NULL;
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+ }
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+ }
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+@@ -3764,10 +3765,8 @@
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+ dev_kfree_skb(bf->bf_skb);
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+ bf->bf_skb = NULL;
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+ }
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+- if (bf->bf_node != NULL) {
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+- ieee80211_free_node(bf->bf_node);
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+- bf->bf_node = NULL;
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+- }
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++ if (bf->bf_node != NULL)
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++ ieee80211_unref_node(&bf->bf_node);
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+
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+ /*
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+ * NB: the beacon data buffer must be 32-bit aligned;
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+@@ -3808,7 +3807,7 @@
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+ DPRINTF(sc, ATH_DEBUG_BEACON,
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+ "%s: %s beacons, bslot %d intval %u tsfadjust(Kus) %llu\n",
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+ __func__, sc->sc_stagbeacons ? "stagger" : "burst",
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+- avp->av_bslot, ni->ni_intval, (unsigned long long) tuadjust);
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++ avp->av_bslot, ni->ni_intval, (long long) tuadjust);
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+
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+ wh = (struct ieee80211_frame *) skb->data;
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+ memcpy(&wh[1], &tsfadjust, sizeof(tsfadjust));
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+@@ -4128,7 +4127,7 @@
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+ vap = sc->sc_bslot[(slot + 1) % ATH_BCBUF];
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+ DPRINTF(sc, ATH_DEBUG_BEACON_PROC,
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+ "%s: slot %d [tsf %llu tsftu %u intval %u] vap %p\n",
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+- __func__, slot, (unsigned long long) tsf, tsftu, ic->ic_lintval, vap);
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++ __func__, slot, (long long) tsf, tsftu, ic->ic_lintval, vap);
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+ bfaddr = 0;
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+ if (vap != NULL) {
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+ bf = ath_beacon_generate(sc, vap, needmark);
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+@@ -4309,10 +4308,8 @@
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+ dev_kfree_skb(bf->bf_skb);
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+ bf->bf_skb = NULL;
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+ }
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+- if (bf->bf_node != NULL) {
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+- ieee80211_free_node(bf->bf_node);
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+- bf->bf_node = NULL;
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+- }
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++ if (bf->bf_node != NULL)
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++ ieee80211_unref_node(&bf->bf_node);
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+ STAILQ_INSERT_TAIL(&sc->sc_bbuf, bf, bf_list);
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+ }
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+
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+@@ -4331,10 +4328,8 @@
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+ dev_kfree_skb(bf->bf_skb);
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+ bf->bf_skb = NULL;
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+ }
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+- if (bf->bf_node != NULL) {
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+- ieee80211_free_node(bf->bf_node);
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+- bf->bf_node = NULL;
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+- }
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++ if (bf->bf_node != NULL)
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++ ieee80211_unref_node(&bf->bf_node);
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+ }
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+ }
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+
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+@@ -4620,7 +4615,7 @@
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+ /*
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+ * Reclaim node reference.
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+ */
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ }
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+ }
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+
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+@@ -4679,37 +4674,39 @@
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+ }
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+
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+ static struct ieee80211_node *
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+-ath_node_alloc(struct ieee80211_node_table *nt,struct ieee80211vap *vap)
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++ath_node_alloc(struct ieee80211vap *vap)
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+ {
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+- struct ath_softc *sc = nt->nt_ic->ic_dev->priv;
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++ struct ath_softc *sc = vap->iv_ic->ic_dev->priv;
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+ const size_t space = sizeof(struct ath_node) + sc->sc_rc->arc_space;
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+ struct ath_node *an;
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+
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+ an = kmalloc(space, GFP_ATOMIC);
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+- if (an == NULL)
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+- return NULL;
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+- memset(an, 0, space);
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+- an->an_decomp_index = INVALID_DECOMP_INDEX;
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+- an->an_avgrssi = ATH_RSSI_DUMMY_MARKER;
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+- an->an_halstats.ns_avgbrssi = ATH_RSSI_DUMMY_MARKER;
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+- an->an_halstats.ns_avgrssi = ATH_RSSI_DUMMY_MARKER;
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+- an->an_halstats.ns_avgtxrssi = ATH_RSSI_DUMMY_MARKER;
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+- /*
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+- * ath_rate_node_init needs a VAP pointer in node
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+- * to decide which mgt rate to use
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+- */
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+- an->an_node.ni_vap = vap;
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+- sc->sc_rc->ops->node_init(sc, an);
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+-
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+- /* U-APSD init */
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+- STAILQ_INIT(&an->an_uapsd_q);
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+- an->an_uapsd_qdepth = 0;
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+- STAILQ_INIT(&an->an_uapsd_overflowq);
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+- an->an_uapsd_overflowqdepth = 0;
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+- ATH_NODE_UAPSD_LOCK_INIT(an);
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++ if (an != NULL) {
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++ memset(an, 0, space);
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++ an->an_decomp_index = INVALID_DECOMP_INDEX;
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++ an->an_avgrssi = ATH_RSSI_DUMMY_MARKER;
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++ an->an_halstats.ns_avgbrssi = ATH_RSSI_DUMMY_MARKER;
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++ an->an_halstats.ns_avgrssi = ATH_RSSI_DUMMY_MARKER;
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++ an->an_halstats.ns_avgtxrssi = ATH_RSSI_DUMMY_MARKER;
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++ /*
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++ * ath_rate_node_init needs a vap pointer in node
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++ * to decide which mgt rate to use
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++ */
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++ an->an_node.ni_vap = vap;
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++ sc->sc_rc->ops->node_init(sc, an);
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+
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+- DPRINTF(sc, ATH_DEBUG_NODE, "%s: an %p\n", __func__, an);
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+- return &an->an_node;
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++ /* U-APSD init */
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++ STAILQ_INIT(&an->an_uapsd_q);
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++ an->an_uapsd_qdepth = 0;
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++ STAILQ_INIT(&an->an_uapsd_overflowq);
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++ an->an_uapsd_overflowqdepth = 0;
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++ ATH_NODE_UAPSD_LOCK_INIT(an);
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++
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++ DPRINTF(sc, ATH_DEBUG_NODE, "%s: an %p\n", __func__, an);
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++ return &an->an_node;
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++ } else {
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++ return NULL;
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++ }
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+ }
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+
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+ static void
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+@@ -4719,6 +4716,7 @@
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+ struct ath_softc *sc = ni->ni_ic->ic_dev->priv;
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+ struct ath_node *an = ATH_NODE(ni);
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+ struct ath_buf *bf;
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++ struct ieee80211_cb *cb = NULL;
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+
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+ /*
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+ * U-APSD cleanup
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+@@ -4733,15 +4731,18 @@
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+ while (an->an_uapsd_qdepth) {
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+ bf = STAILQ_FIRST(&an->an_uapsd_q);
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+ STAILQ_REMOVE_HEAD(&an->an_uapsd_q, bf_list);
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+- bf->bf_desc->ds_link = 0;
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+
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++ cb = (struct ieee80211_cb *) bf->bf_skb->cb;
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++ ieee80211_unref_node(&cb->ni);
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+ dev_kfree_skb_any(bf->bf_skb);
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++
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++ bf->bf_desc->ds_link = 0;
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+ bf->bf_skb = NULL;
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+ bf->bf_node = NULL;
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++
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+ ATH_TXBUF_LOCK_IRQ(sc);
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+ STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf, bf_list);
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+ ATH_TXBUF_UNLOCK_IRQ(sc);
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+- ieee80211_free_node(ni);
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+
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+ an->an_uapsd_qdepth--;
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+ }
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+@@ -4749,19 +4750,25 @@
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+ while (an->an_uapsd_overflowqdepth) {
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+ bf = STAILQ_FIRST(&an->an_uapsd_overflowq);
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+ STAILQ_REMOVE_HEAD(&an->an_uapsd_overflowq, bf_list);
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+- bf->bf_desc->ds_link = 0;
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+
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++ cb = (struct ieee80211_cb *) bf->bf_skb->cb;
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++ ieee80211_unref_node(&cb->ni);
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+ dev_kfree_skb_any(bf->bf_skb);
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++
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+ bf->bf_skb = NULL;
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+ bf->bf_node = NULL;
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++ bf->bf_desc->ds_link = 0;
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++
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+ ATH_TXBUF_LOCK_IRQ(sc);
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+ STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf, bf_list);
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+ ATH_TXBUF_UNLOCK_IRQ(sc);
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+- ieee80211_free_node(ni);
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+
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+ an->an_uapsd_overflowqdepth--;
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+ }
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+
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++ /* Clean up node-specific rate things - this currently appears to always be a no-op */
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++ sc->sc_rc->ops->node_cleanup(sc, ATH_NODE(ni));
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++
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+ ATH_NODE_UAPSD_LOCK_IRQ(an);
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+ sc->sc_node_cleanup(ni);
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+ ATH_NODE_UAPSD_UNLOCK_IRQ(an);
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+@@ -4772,7 +4779,6 @@
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+ {
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+ struct ath_softc *sc = ni->ni_ic->ic_dev->priv;
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+
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+- sc->sc_rc->ops->node_cleanup(sc, ATH_NODE(ni));
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+ sc->sc_node_free(ni);
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+ #ifdef ATH_SUPERG_XR
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+ ath_grppoll_period_update(sc);
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+@@ -5660,7 +5666,7 @@
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+ an = ATH_NODE(ieee80211_ref_node(ni));
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+ ATH_RSSI_LPF(an->an_avgrssi, rs->rs_rssi);
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+ type = ieee80211_input(ni, skb, rs->rs_rssi, rs->rs_tstamp);
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ } else {
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+ /*
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+ * No key index or no entry, do a lookup and
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+@@ -5682,7 +5688,7 @@
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+ if (keyix != IEEE80211_KEYIX_NONE &&
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+ sc->sc_keyixmap[keyix] == NULL)
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+ sc->sc_keyixmap[keyix] = ieee80211_ref_node(ni);
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ } else
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+ type = ieee80211_input_all(ic, skb,
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+ rs->rs_rssi, rs->rs_tstamp);
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+@@ -6478,8 +6484,7 @@
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+ STAILQ_REMOVE_HEAD(&an->an_uapsd_q, bf_list);
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+ dev_kfree_skb(lastbuf->bf_skb);
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+ lastbuf->bf_skb = NULL;
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+- ieee80211_free_node(lastbuf->bf_node);
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+- lastbuf->bf_node = NULL;
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++ ieee80211_unref_node(&lastbuf->bf_node);
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+ ATH_TXBUF_LOCK_IRQ(sc);
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+ STAILQ_INSERT_TAIL(&sc->sc_txbuf, lastbuf, bf_list);
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+ ATH_TXBUF_UNLOCK_IRQ(sc);
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+@@ -7229,7 +7234,7 @@
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+ * this is a DEAUTH message that was sent and the
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+ * node was timed out due to inactivity.
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+ */
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ }
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+
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+ bus_unmap_single(sc->sc_bdev, bf->bf_skbaddr,
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+@@ -7474,7 +7479,7 @@
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+ }
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+ #endif /* ATH_SUPERG_FF */
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+ if (bf->bf_node)
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+- ieee80211_free_node(bf->bf_node);
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++ ieee80211_unref_node(&bf->bf_node);
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+
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+ bf->bf_skb = NULL;
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+ bf->bf_node = NULL;
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+diff -ur madwifi.old/net80211/ieee80211_input.c madwifi.dev/net80211/ieee80211_input.c
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+--- madwifi.old/net80211/ieee80211_input.c 2007-05-18 13:19:16.000000000 +0200
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++++ madwifi.dev/net80211/ieee80211_input.c 2007-05-21 08:10:46.865754024 +0200
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+@@ -489,7 +489,7 @@
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+ nt = &ic->ic_sta;
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+ ni_wds = ieee80211_find_wds_node(nt, wh->i_addr3);
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+ if (ni_wds) {
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+- ieee80211_free_node(ni_wds); /* Decr ref count */
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++ ieee80211_unref_node(&ni_wds); /* Decr ref count */
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+ IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
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+ wh, NULL, "%s",
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+ "multicast echo originated from node behind me");
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+@@ -543,10 +543,12 @@
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+ * the node table for the packet source address (addr4).
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+ * If not, add one.
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+ */
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++ /* XXX: Useless node mgmt API; make better */
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|
|
+ if (dir == IEEE80211_FC1_DIR_DSTODS) {
|
|
|
+ struct ieee80211_node_table *nt;
|
|
|
+ struct ieee80211_frame_addr4 *wh4;
|
|
|
+ struct ieee80211_node *ni_wds;
|
|
|
++
|
|
|
+ if (!(vap->iv_flags_ext & IEEE80211_FEXT_WDS)) {
|
|
|
+ IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
|
|
|
+ wh, "data", "%s", "4 addr not allowed");
|
|
|
+@@ -569,7 +571,7 @@
|
|
|
+ if (ni_wds == NULL)
|
|
|
+ ieee80211_add_wds_addr(nt, ni, wh4->i_addr4, 0);
|
|
|
+ else
|
|
|
+- ieee80211_free_node(ni_wds); /* Decr ref count */
|
|
|
++ ieee80211_unref_node(&ni_wds); /* Decr. ref count */
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+@@ -936,7 +938,7 @@
|
|
|
+ }
|
|
|
+ ni = ieee80211_ref_node(vap->iv_bss);
|
|
|
+ type = ieee80211_input(ni, skb1, rssi, rstamp);
|
|
|
+- ieee80211_free_node(ni);
|
|
|
++ ieee80211_unref_node(&ni);
|
|
|
+ }
|
|
|
+ if (skb != NULL) /* no vaps, reclaim skb */
|
|
|
+ dev_kfree_skb(skb);
|
|
|
+@@ -986,22 +988,14 @@
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+- * Use this lock to make sure ni->ni_rxfrag is
|
|
|
+- * not freed by the timer process while we use it.
|
|
|
+- * XXX bogus
|
|
|
+- */
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(ni->ni_table);
|
|
|
+-
|
|
|
+- /*
|
|
|
+ * Update the time stamp. As a side effect, it
|
|
|
+ * also makes sure that the timer will not change
|
|
|
+ * ni->ni_rxfrag for at least 1 second, or in
|
|
|
+ * other words, for the remaining of this function.
|
|
|
++ * XXX HUGE HORRIFIC HACK
|
|
|
+ */
|
|
|
+ ni->ni_rxfragstamp = jiffies;
|
|
|
+
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(ni->ni_table);
|
|
|
+-
|
|
|
+ /*
|
|
|
+ * Validate that fragment is in order and
|
|
|
+ * related to the previous ones.
|
|
|
+@@ -1130,7 +1124,7 @@
|
|
|
+ skb = NULL;
|
|
|
+ }
|
|
|
+ /* XXX statistic? */
|
|
|
+- ieee80211_free_node(ni1);
|
|
|
++ ieee80211_unref_node(&ni1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (skb1 != NULL) {
|
|
|
+@@ -1265,6 +1259,7 @@
|
|
|
+ int rssi, u_int32_t rstamp, u_int16_t seq, u_int16_t status)
|
|
|
+ {
|
|
|
+ struct ieee80211vap *vap = ni->ni_vap;
|
|
|
++ unsigned int tmpnode = 0;
|
|
|
+
|
|
|
+ if (ni->ni_authmode == IEEE80211_AUTH_SHARED) {
|
|
|
+ IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_AUTH,
|
|
|
+@@ -1272,22 +1267,21 @@
|
|
|
+ "bad sta auth mode %u", ni->ni_authmode);
|
|
|
+ vap->iv_stats.is_rx_bad_auth++; /* XXX maybe a unique error? */
|
|
|
+ if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
|
|
|
+- /* XXX hack to workaround calling convention */
|
|
|
+-
|
|
|
+- /* XXX To send the frame to the requesting STA, we have to
|
|
|
+- * create a node for the station that we're going to reject.
|
|
|
+- * The node will be freed automatically */
|
|
|
+ if (ni == vap->iv_bss) {
|
|
|
+- ni = ieee80211_dup_bss(vap, wh->i_addr2);
|
|
|
++ ni = ieee80211_dup_bss(vap, wh->i_addr2, 0);
|
|
|
+ if (ni == NULL)
|
|
|
+ return;
|
|
|
+
|
|
|
+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
|
|
|
+ "%s: %p<%s> refcnt %d\n", __func__, ni, ether_sprintf(ni->ni_macaddr),
|
|
|
+ ieee80211_node_refcnt(ni));
|
|
|
++ tmpnode = 1;
|
|
|
+ }
|
|
|
+ IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_AUTH,
|
|
|
+ (seq + 1) | (IEEE80211_STATUS_ALG << 16));
|
|
|
++
|
|
|
++ if (tmpnode)
|
|
|
++ ieee80211_unref_node(&ni);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+@@ -1315,23 +1309,16 @@
|
|
|
+ }
|
|
|
+ /* always accept open authentication requests */
|
|
|
+ if (ni == vap->iv_bss) {
|
|
|
+- ni = ieee80211_dup_bss(vap, wh->i_addr2);
|
|
|
++ ni = ieee80211_dup_bss(vap, wh->i_addr2, 0);
|
|
|
+ if (ni == NULL)
|
|
|
+ return;
|
|
|
+
|
|
|
+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
|
|
|
+ "%s: %p<%s> refcnt %d\n", __func__, ni, ether_sprintf(ni->ni_macaddr),
|
|
|
+ ieee80211_node_refcnt(ni));
|
|
|
+-
|
|
|
+- } else if ((ni->ni_flags & IEEE80211_NODE_AREF) == 0)
|
|
|
+- (void) ieee80211_ref_node(ni);
|
|
|
+- /*
|
|
|
+- * Mark the node as referenced to reflect that it's
|
|
|
+- * reference count has been bumped to ensure it remains
|
|
|
+- * after the transaction completes.
|
|
|
+- */
|
|
|
+- ni->ni_flags |= IEEE80211_NODE_AREF;
|
|
|
+-
|
|
|
++ tmpnode = 1;
|
|
|
++ }
|
|
|
++
|
|
|
+ IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_AUTH, seq + 1);
|
|
|
+ IEEE80211_NOTE(vap, IEEE80211_MSG_DEBUG | IEEE80211_MSG_AUTH,
|
|
|
+ ni, "station authenticated (%s)", "open");
|
|
|
+@@ -1341,6 +1328,8 @@
|
|
|
+ */
|
|
|
+ if (ni->ni_authmode != IEEE80211_AUTH_8021X)
|
|
|
+ ieee80211_node_authorize(ni);
|
|
|
++ if (tmpnode)
|
|
|
++ ieee80211_unref_node(&ni);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case IEEE80211_M_STA:
|
|
|
+@@ -1379,7 +1368,7 @@
|
|
|
+ int istmp;
|
|
|
+
|
|
|
+ if (ni == vap->iv_bss) {
|
|
|
+- ni = ieee80211_tmp_node(vap, mac);
|
|
|
++ ni = ieee80211_dup_bss(vap, mac, 1);
|
|
|
+ if (ni == NULL) {
|
|
|
+ /* XXX msg */
|
|
|
+ return;
|
|
|
+@@ -1389,7 +1378,7 @@
|
|
|
+ istmp = 0;
|
|
|
+ IEEE80211_SEND_MGMT(ni, subtype, arg);
|
|
|
+ if (istmp)
|
|
|
+- ieee80211_free_node(ni);
|
|
|
++ ieee80211_unref_node(&ni);
|
|
|
+ }
|
|
|
+
|
|
|
+ static int
|
|
|
+@@ -1505,7 +1494,7 @@
|
|
|
+ switch (seq) {
|
|
|
+ case IEEE80211_AUTH_SHARED_REQUEST:
|
|
|
+ if (ni == vap->iv_bss) {
|
|
|
+- ni = ieee80211_dup_bss(vap, wh->i_addr2);
|
|
|
++ ni = ieee80211_dup_bss(vap, wh->i_addr2, 0);
|
|
|
+ if (ni == NULL) {
|
|
|
+ /* NB: no way to return an error */
|
|
|
+ return;
|
|
|
+@@ -1516,17 +1505,8 @@
|
|
|
+ ieee80211_node_refcnt(ni));
|
|
|
+
|
|
|
+ allocbs = 1;
|
|
|
+- } else {
|
|
|
+- if ((ni->ni_flags & IEEE80211_NODE_AREF) == 0)
|
|
|
+- (void) ieee80211_ref_node(ni);
|
|
|
+- allocbs = 0;
|
|
|
+ }
|
|
|
+- /*
|
|
|
+- * Mark the node as referenced to reflect that it's
|
|
|
+- * reference count has been bumped to ensure it remains
|
|
|
+- * after the transaction completes.
|
|
|
+- */
|
|
|
+- ni->ni_flags |= IEEE80211_NODE_AREF;
|
|
|
++
|
|
|
+ ni->ni_rssi = rssi;
|
|
|
+ ni->ni_rstamp = rstamp;
|
|
|
+ ni->ni_last_rx = jiffies;
|
|
|
+@@ -1620,14 +1600,13 @@
|
|
|
+ }
|
|
|
+ return;
|
|
|
+ bad:
|
|
|
+- /*
|
|
|
+- * Send an error response; but only when operating as an AP.
|
|
|
+- */
|
|
|
++ /* Send an error response; but only when operating as an AP. */
|
|
|
+ if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
|
|
|
+ /* XXX hack to workaround calling convention */
|
|
|
+ ieee80211_send_error(ni, wh->i_addr2,
|
|
|
+ IEEE80211_FC0_SUBTYPE_AUTH,
|
|
|
+ (seq + 1) | (estatus<<16));
|
|
|
++ ieee80211_node_leave(ni);
|
|
|
+ } else if (vap->iv_opmode == IEEE80211_M_STA) {
|
|
|
+ /*
|
|
|
+ * Kick the state machine. This short-circuits
|
|
|
+@@ -2600,7 +2579,7 @@
|
|
|
+ u_int8_t *frm, *efrm;
|
|
|
+ u_int8_t *ssid, *rates, *xrates, *wpa, *rsn, *wme, *ath;
|
|
|
+ u_int8_t rate;
|
|
|
+- int reassoc, resp, allocbs;
|
|
|
++ int reassoc, resp, allocbs = 0;
|
|
|
+ u_int8_t qosinfo;
|
|
|
+
|
|
|
+ wh = (struct ieee80211_frame *) skb->data;
|
|
|
+@@ -3008,13 +2987,13 @@
|
|
|
+ ni = ieee80211_fakeup_adhoc_node(vap,
|
|
|
+ wh->i_addr2);
|
|
|
+ } else {
|
|
|
+- ni = ieee80211_tmp_node(vap, wh->i_addr2);
|
|
|
++ ni = ieee80211_dup_bss(vap, wh->i_addr2, 1);
|
|
|
+ }
|
|
|
+ if (ni == NULL)
|
|
|
+ return;
|
|
|
+ allocbs = 1;
|
|
|
+- } else
|
|
|
+- allocbs = 0;
|
|
|
++ }
|
|
|
++
|
|
|
+ IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_INPUT, wh->i_addr2,
|
|
|
+ "%s", "recv probe req");
|
|
|
+ ni->ni_rssi = rssi;
|
|
|
+@@ -3037,7 +3016,7 @@
|
|
|
+ * Temporary node created just to send a
|
|
|
+ * response, reclaim immediately
|
|
|
+ */
|
|
|
+- ieee80211_free_node(ni);
|
|
|
++ ieee80211_unref_node(&ni);
|
|
|
+ } else if (ath != NULL)
|
|
|
+ ieee80211_saveath(ni, ath);
|
|
|
+ break;
|
|
|
+@@ -3067,6 +3046,9 @@
|
|
|
+ ni = vap->iv_xrvap->iv_bss;
|
|
|
+ else {
|
|
|
+ ieee80211_node_leave(ni);
|
|
|
++ /* This would be a stupid place to add a node to the table
|
|
|
++ * XR stuff needs work anyway
|
|
|
++ */
|
|
|
+ ieee80211_node_reset(ni, vap->iv_xrvap);
|
|
|
+ }
|
|
|
+ vap = vap->iv_xrvap;
|
|
|
+diff -ur madwifi.old/net80211/ieee80211_linux.c madwifi.dev/net80211/ieee80211_linux.c
|
|
|
+--- madwifi.old/net80211/ieee80211_linux.c 2007-05-18 13:19:16.000000000 +0200
|
|
|
++++ madwifi.dev/net80211/ieee80211_linux.c 2007-05-21 08:10:46.866753872 +0200
|
|
|
+@@ -358,7 +358,7 @@
|
|
|
+ struct ieee80211_node *ni;
|
|
|
+ struct ieee80211_node_table *nt = (struct ieee80211_node_table *) &vap->iv_ic->ic_sta;
|
|
|
+
|
|
|
+- //IEEE80211_NODE_LOCK(nt);
|
|
|
++ /* IEEE80211_NODE_LOCK(nt); */
|
|
|
+ TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
|
|
|
+ /* Assume each node needs 500 bytes */
|
|
|
+ if (buf + space < p + 500)
|
|
|
+@@ -376,7 +376,7 @@
|
|
|
+
|
|
|
+ }
|
|
|
+ }
|
|
|
+- //IEEE80211_NODE_UNLOCK(nt);
|
|
|
++ /* IEEE80211_NODE_UNLOCK(nt); */
|
|
|
+ return (p - buf);
|
|
|
+ }
|
|
|
+
|
|
|
+diff -ur madwifi.old/net80211/ieee80211_linux.h madwifi.dev/net80211/ieee80211_linux.h
|
|
|
+--- madwifi.old/net80211/ieee80211_linux.h 2007-05-04 15:45:58.000000000 +0200
|
|
|
++++ madwifi.dev/net80211/ieee80211_linux.h 2007-05-21 08:10:46.867753720 +0200
|
|
|
+@@ -63,6 +63,12 @@
|
|
|
+
|
|
|
+ #define IEEE80211_RESCHEDULE schedule
|
|
|
+
|
|
|
++/* Locking */
|
|
|
++/* NB: beware, spin_is_locked() is not usefully defined for !(DEBUG || SMP)
|
|
|
++ * because spinlocks do not exist in this configuration. Instead IRQs
|
|
|
++ * or pre-emption are simply disabled, as this is all that is needed.
|
|
|
++ */
|
|
|
++
|
|
|
+ /*
|
|
|
+ * Beacon handler locking definitions.
|
|
|
+ * Beacon locking
|
|
|
+@@ -85,14 +91,14 @@
|
|
|
+ #define IEEE80211_LOCK(_ic) spin_lock(&(_ic)->ic_comlock)
|
|
|
+ #define IEEE80211_UNLOCK(_ic) spin_unlock(&(_ic)->ic_comlock)
|
|
|
+
|
|
|
+-/* NB: beware, spin_is_locked() is unusable for !SMP */
|
|
|
+-#if defined(CONFIG_SMP)
|
|
|
++#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
|
|
|
+ #define IEEE80211_LOCK_ASSERT(_ic) \
|
|
|
+ KASSERT(spin_is_locked(&(_ic)->ic_comlock),("ieee80211com not locked!"))
|
|
|
+ #else
|
|
|
+ #define IEEE80211_LOCK_ASSERT(_ic)
|
|
|
+ #endif
|
|
|
+
|
|
|
++
|
|
|
+ #define IEEE80211_VAPS_LOCK_INIT(_ic, _name) \
|
|
|
+ spin_lock_init(&(_ic)->ic_vapslock)
|
|
|
+ #define IEEE80211_VAPS_LOCK_DESTROY(_ic)
|
|
|
+@@ -108,11 +114,10 @@
|
|
|
+ } while (0)
|
|
|
+ #define IEEE80211_VAPS_UNLOCK_IRQ_EARLY(_ic) spin_unlock_irqrestore(&(_ic)->ic_vapslock, _vaps_lockflags)
|
|
|
+
|
|
|
+-
|
|
|
+-/* NB: beware, spin_is_locked() is unusable for !SMP */
|
|
|
+-#if defined(CONFIG_SMP)
|
|
|
++#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
|
|
|
+ #define IEEE80211_VAPS_LOCK_ASSERT(_ic) \
|
|
|
+- KASSERT(spin_is_locked(&(_ic)->ic_vapslock),("ieee80211com_vaps not locked!"))
|
|
|
++ KASSERT(spin_is_locked(&(_ic)->ic_vapslock), \
|
|
|
++ ("ieee80211com_vaps not locked!"))
|
|
|
+ #else
|
|
|
+ #define IEEE80211_VAPS_LOCK_ASSERT(_ic)
|
|
|
+ #endif
|
|
|
+@@ -121,29 +126,63 @@
|
|
|
+ /*
|
|
|
+ * Node locking definitions.
|
|
|
+ */
|
|
|
++#if 0
|
|
|
++
|
|
|
+ typedef spinlock_t ieee80211_node_lock_t;
|
|
|
+-#define IEEE80211_NODE_LOCK_INIT(_nt, _name) spin_lock_init(&(_nt)->nt_nodelock)
|
|
|
+-#define IEEE80211_NODE_LOCK_DESTROY(_nt)
|
|
|
+-#define IEEE80211_NODE_LOCK(_nt) spin_lock(&(_nt)->nt_nodelock)
|
|
|
+-#define IEEE80211_NODE_UNLOCK(_nt) spin_unlock(&(_nt)->nt_nodelock)
|
|
|
+-#define IEEE80211_NODE_LOCK_BH(_nt) spin_lock_bh(&(_nt)->nt_nodelock)
|
|
|
+-#define IEEE80211_NODE_UNLOCK_BH(_nt) spin_unlock_bh(&(_nt)->nt_nodelock)
|
|
|
+-#define IEEE80211_NODE_LOCK_IRQ(_nt) do { \
|
|
|
++#define IEEE80211_NODE_LOCK_INIT(_ni, _name) spin_lock_init(&(_ni)->ni_nodelock)
|
|
|
++#define IEEE80211_NODE_LOCK_DESTROY(_ni)
|
|
|
++#if 0 /* We should always be contesting in the same contexts */
|
|
|
++#define IEEE80211_NODE_LOCK(_ni) spin_lock(&(_ni)->ni_nodelock)
|
|
|
++#define IEEE80211_NODE_UNLOCK(_ni) spin_unlock(&(_ni)->ni_nodelock)
|
|
|
++#define IEEE80211_NODE_LOCK_BH(_ni) spin_lock_bh(&(_ni)->ni_nodelock)
|
|
|
++#define IEEE80211_NODE_UNLOCK_BH(_ni) spin_unlock_bh(&(_ni)->ni_nodelock)
|
|
|
++#endif
|
|
|
++#define IEEE80211_NODE_LOCK_IRQ(_ni) do { \
|
|
|
++ unsigned long __node_lockflags; \
|
|
|
++ spin_lock_irqsave(&(_ni)->ni_nodelock, __node_lockflags);
|
|
|
++#define IEEE80211_NODE_UNLOCK_IRQ(_ni) \
|
|
|
++ spin_unlock_irqrestore(&(_ni)->ni_nodelock, __node_lockflags); \
|
|
|
++} while(0)
|
|
|
++#define IEEE80211_NODE_UNLOCK_IRQ_EARLY(_ni) \
|
|
|
++ spin_unlock_irqrestore(&(_ni)->ni_nodelock, __node_lockflags);
|
|
|
++
|
|
|
++#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
|
|
|
++#define IEEE80211_NODE_LOCK_ASSERT(_nt) \
|
|
|
++ KASSERT(spin_is_locked(&(_ni)->ni_nodelock), \
|
|
|
++ ("802.11 node not locked!"))
|
|
|
++#else
|
|
|
++#define IEEE80211_NODE_LOCK_ASSERT(_ni)
|
|
|
++#endif
|
|
|
++
|
|
|
++#endif /* node lock */
|
|
|
++
|
|
|
++/*
|
|
|
++ * Node table locking definitions.
|
|
|
++ */
|
|
|
++typedef spinlock_t ieee80211_node_table_lock_t;
|
|
|
++#define IEEE80211_NODE_TABLE_LOCK_INIT(_nt, _name) spin_lock_init(&(_nt)->nt_nodelock)
|
|
|
++#define IEEE80211_NODE_TABLE_LOCK_DESTROY(_nt)
|
|
|
++#if 0 /* We should always be contesting in the same contexts */
|
|
|
++#define IEEE80211_NODE_TABLE_LOCK(_nt) spin_lock(&(_nt)->nt_nodelock)
|
|
|
++#define IEEE80211_NODE_TABLE_UNLOCK(_nt) spin_unlock(&(_nt)->nt_nodelock)
|
|
|
++#define IEEE80211_NODE_TABLE_LOCK_BH(_nt) spin_lock_bh(&(_nt)->nt_nodelock)
|
|
|
++#define IEEE80211_NODE_TABLE_UNLOCK_BH(_nt) spin_unlock_bh(&(_nt)->nt_nodelock)
|
|
|
++#endif
|
|
|
++#define IEEE80211_NODE_TABLE_LOCK_IRQ(_nt) do { \
|
|
|
+ unsigned long __node_lockflags; \
|
|
|
+ spin_lock_irqsave(&(_nt)->nt_nodelock, __node_lockflags);
|
|
|
+-#define IEEE80211_NODE_UNLOCK_IRQ(_nt) \
|
|
|
++#define IEEE80211_NODE_TABLE_UNLOCK_IRQ(_nt) \
|
|
|
+ spin_unlock_irqrestore(&(_nt)->nt_nodelock, __node_lockflags); \
|
|
|
+ } while(0)
|
|
|
+-#define IEEE80211_NODE_UNLOCK_IRQ_EARLY(_nt) \
|
|
|
++#define IEEE80211_NODE_TABLE_UNLOCK_IRQ_EARLY(_nt) \
|
|
|
+ spin_unlock_irqrestore(&(_nt)->nt_nodelock, __node_lockflags);
|
|
|
+
|
|
|
+-/* NB: beware, *_is_locked() are bogusly defined for UP+!PREEMPT */
|
|
|
+-#if (defined(CONFIG_SMP) || defined(CONFIG_PREEMPT)) && defined(spinlock_is_locked)
|
|
|
+-#define IEEE80211_NODE_LOCK_ASSERT(_nt) \
|
|
|
+- KASSERT(spinlock_is_locked(&(_nt)->nt_nodelock), \
|
|
|
++#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
|
|
|
++#define IEEE80211_NODE_TABLE_LOCK_ASSERT(_nt) \
|
|
|
++ KASSERT(spin_is_locked(&(_nt)->nt_nodelock), \
|
|
|
+ ("802.11 node table not locked!"))
|
|
|
+ #else
|
|
|
+-#define IEEE80211_NODE_LOCK_ASSERT(_nt)
|
|
|
++#define IEEE80211_NODE_TABLE_LOCK_ASSERT(_nt)
|
|
|
+ #endif
|
|
|
+
|
|
|
+ /*
|
|
|
+@@ -163,8 +202,7 @@
|
|
|
+ #define IEEE80211_SCAN_UNLOCK_IRQ_EARLY(_nt) \
|
|
|
+ spin_unlock_irqrestore(&(_nt)->nt_scanlock, __scan_lockflags);
|
|
|
+
|
|
|
+-/* NB: beware, spin_is_locked() is unusable for !SMP */
|
|
|
+-#if defined(CONFIG_SMP)
|
|
|
++#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
|
|
|
+ #define IEEE80211_SCAN_LOCK_ASSERT(_nt) \
|
|
|
+ KASSERT(spin_is_locked(&(_nt)->nt_scanlock), ("scangen not locked!"))
|
|
|
+ #else
|
|
|
+@@ -182,8 +220,7 @@
|
|
|
+ #define ACL_LOCK_BH(_as) spin_lock_bh(&(_as)->as_lock)
|
|
|
+ #define ACL_UNLOCK_BH(_as) spin_unlock_bh(&(_as)->as_lock)
|
|
|
+
|
|
|
+-/* NB: beware, spin_is_locked() is unusable for !SMP */
|
|
|
+-#if defined(CONFIG_SMP)
|
|
|
++#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
|
|
|
+ #define ACL_LOCK_ASSERT(_as) \
|
|
|
+ KASSERT(spin_is_locked(&(_as)->as_lock), ("ACL not locked!"))
|
|
|
+ #else
|
|
|
+@@ -299,6 +336,7 @@
|
|
|
+ * is the last reference, otherwise 0
|
|
|
+ * ieee80211_node_refcnt reference count for printing (only)
|
|
|
+ */
|
|
|
++typedef atomic_t ieee80211_node_ref_count_t;
|
|
|
+ #define ieee80211_node_initref(_ni) atomic_set(&(_ni)->ni_refcnt, 1)
|
|
|
+ #define ieee80211_node_incref(_ni) atomic_inc(&(_ni)->ni_refcnt)
|
|
|
+ #define ieee80211_node_decref(_ni) atomic_dec(&(_ni)->ni_refcnt)
|
|
|
+@@ -379,8 +417,8 @@
|
|
|
+ /* msecs_to_jiffies appeared in 2.6.7 and 2.4.29 */
|
|
|
+ #include <linux/delay.h>
|
|
|
+ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) && \
|
|
|
+- LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7)) || \
|
|
|
+- LINUX_VERSION_CODE < KERNEL_VERSION(2,4,29)
|
|
|
++ LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7)) || \
|
|
|
++ LINUX_VERSION_CODE < KERNEL_VERSION(2,4,29)
|
|
|
+
|
|
|
+ /* The following definitions and inline functions are
|
|
|
+ * copied from the kernel src, include/linux/jiffies.h */
|
|
|
+diff -ur madwifi.old/net80211/ieee80211_node.c madwifi.dev/net80211/ieee80211_node.c
|
|
|
+--- madwifi.old/net80211/ieee80211_node.c 2007-05-18 13:19:16.000000000 +0200
|
|
|
++++ madwifi.dev/net80211/ieee80211_node.c 2007-05-21 08:10:46.868753568 +0200
|
|
|
+@@ -65,16 +65,17 @@
|
|
|
+ #define IEEE80211_AID_ISSET(_vap, _b) \
|
|
|
+ ((_vap)->iv_aid_bitmap[IEEE80211_AID(_b) / 32] & (1 << (IEEE80211_AID(_b) % 32)))
|
|
|
+
|
|
|
++static struct ieee80211_node *ieee80211_alloc_node(struct ieee80211vap *, const u_int8_t *);
|
|
|
++
|
|
|
+ static int ieee80211_sta_join1(struct ieee80211_node *);
|
|
|
+
|
|
|
+-static struct ieee80211_node *node_alloc(struct ieee80211_node_table *,
|
|
|
+- struct ieee80211vap *);
|
|
|
++static struct ieee80211_node *node_alloc(struct ieee80211vap *);
|
|
|
+ static void node_cleanup(struct ieee80211_node *);
|
|
|
+ static void node_free(struct ieee80211_node *);
|
|
|
+ static u_int8_t node_getrssi(const struct ieee80211_node *);
|
|
|
+
|
|
|
+-static void _ieee80211_free_node(struct ieee80211_node *);
|
|
|
+-static void node_reclaim(struct ieee80211_node_table *, struct ieee80211_node*);
|
|
|
++static void _node_table_leave(struct ieee80211_node_table *, struct ieee80211_node *);
|
|
|
++static void _node_table_join(struct ieee80211_node_table *, struct ieee80211_node *);
|
|
|
+
|
|
|
+ static void ieee80211_node_timeout(unsigned long);
|
|
|
+
|
|
|
+@@ -194,8 +195,7 @@
|
|
|
+
|
|
|
+ ieee80211_node_table_reset(&ic->ic_sta, vap);
|
|
|
+ if (vap->iv_bss != NULL) {
|
|
|
+- ieee80211_free_node(vap->iv_bss);
|
|
|
+- vap->iv_bss = NULL;
|
|
|
++ ieee80211_unref_node(&vap->iv_bss);
|
|
|
+ }
|
|
|
+ if (vap->iv_aid_bitmap != NULL) {
|
|
|
+ FREE(vap->iv_aid_bitmap, M_DEVBUF);
|
|
|
+@@ -250,6 +250,7 @@
|
|
|
+ nbss->ni_txpower = obss->ni_txpower;
|
|
|
+ nbss->ni_vlan = obss->ni_vlan;
|
|
|
+ nbss->ni_rsn = obss->ni_rsn;
|
|
|
++ nbss->ni_rates = obss->ni_rates;
|
|
|
+ /* XXX statistics? */
|
|
|
+ }
|
|
|
+
|
|
|
+@@ -263,17 +264,17 @@
|
|
|
+ "%s: creating ibss on channel %u\n", __func__,
|
|
|
+ ieee80211_chan2ieee(ic, chan));
|
|
|
+
|
|
|
+- /* Check to see if we already have a node for this mac */
|
|
|
++ /* Check to see if we already have a node for this mac
|
|
|
++ * NB: we gain a node reference here
|
|
|
++ */
|
|
|
+ ni = ieee80211_find_node(&ic->ic_sta, vap->iv_myaddr);
|
|
|
+ if (ni == NULL) {
|
|
|
+- ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr);
|
|
|
++ ni = ieee80211_alloc_node_table(vap, vap->iv_myaddr);
|
|
|
+ if (ni == NULL) {
|
|
|
+ /* XXX recovery? */
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+- else
|
|
|
+- ieee80211_free_node(ni);
|
|
|
+
|
|
|
+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, "%s: %p<%s> refcnt %d\n",
|
|
|
+ __func__, vap->iv_bss, ether_sprintf(vap->iv_bss->ni_macaddr),
|
|
|
+@@ -339,7 +340,7 @@
|
|
|
+ else if (IEEE80211_IS_CHAN_QUARTER(chan))
|
|
|
+ ni->ni_rates = ic->ic_sup_quarter_rates;
|
|
|
+
|
|
|
+- (void) ieee80211_sta_join1(ieee80211_ref_node(ni));
|
|
|
++ (void) ieee80211_sta_join1(PASS_NODE(ni));
|
|
|
+ }
|
|
|
+ EXPORT_SYMBOL(ieee80211_create_ibss);
|
|
|
+
|
|
|
+@@ -363,9 +364,10 @@
|
|
|
+ /* XXX multi-bss wrong */
|
|
|
+ ieee80211_reset_erp(ic, ic->ic_curmode);
|
|
|
+
|
|
|
+- ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr);
|
|
|
++ ni = ieee80211_alloc_node_table(vap, vap->iv_myaddr);
|
|
|
+ KASSERT(ni != NULL, ("unable to setup inital BSS node"));
|
|
|
+ obss = vap->iv_bss;
|
|
|
++ /* New reference for caller */
|
|
|
+ vap->iv_bss = ieee80211_ref_node(ni);
|
|
|
+
|
|
|
+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, "%s: new bss %p<%s> refcnt %d\n",
|
|
|
+@@ -375,7 +377,8 @@
|
|
|
+ if (obss != NULL) {
|
|
|
+ copy_bss(ni, obss);
|
|
|
+ ni->ni_intval = ic->ic_lintval;
|
|
|
+- ieee80211_free_node(obss);
|
|
|
++ /* Caller's reference */
|
|
|
++ ieee80211_unref_node(&obss);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+@@ -581,7 +584,7 @@
|
|
|
+ vap->iv_state == IEEE80211_S_RUN && ssid_equal(obss, selbs));
|
|
|
+ vap->iv_bss = selbs;
|
|
|
+ if (obss != NULL)
|
|
|
+- ieee80211_free_node(obss);
|
|
|
++ ieee80211_unref_node(&obss);
|
|
|
+ ic->ic_bsschan = selbs->ni_chan;
|
|
|
+ ic->ic_curchan = ic->ic_bsschan;
|
|
|
+ ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan);
|
|
|
+@@ -638,21 +641,20 @@
|
|
|
+
|
|
|
+ ni = ieee80211_find_node(&ic->ic_sta, se->se_macaddr);
|
|
|
+ if (ni == NULL) {
|
|
|
+- ni = ieee80211_alloc_node(&ic->ic_sta, vap, se->se_macaddr);
|
|
|
++ ni = ieee80211_alloc_node_table(vap, se->se_macaddr);
|
|
|
+ if (ni == NULL) {
|
|
|
+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
|
|
|
+ "%s: Unable to allocate node for BSS: %s\n", __func__,
|
|
|
+ ether_sprintf(ni->ni_macaddr));
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+- } else
|
|
|
+- ieee80211_free_node(ni);
|
|
|
++ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ * Expand scan state into node's format.
|
|
|
+ * XXX may not need all this stuff
|
|
|
+ */
|
|
|
+- ni->ni_authmode = vap->iv_bss->ni_authmode; /* inherit authmode from iv_bss */
|
|
|
++ ni->ni_authmode = vap->iv_bss->ni_authmode; /* inherit authmode from iv_bss */
|
|
|
+ /* inherit the WPA setup as well (structure copy!) */
|
|
|
+ ni->ni_rsn = vap->iv_bss->ni_rsn;
|
|
|
+ IEEE80211_ADDR_COPY(ni->ni_bssid, se->se_bssid);
|
|
|
+@@ -686,9 +688,9 @@
|
|
|
+
|
|
|
+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
|
|
|
+ "%s: %p<%s> refcnt %d\n", __func__, ni, ether_sprintf(ni->ni_macaddr),
|
|
|
+- ieee80211_node_refcnt(ni)+1);
|
|
|
++ ieee80211_node_refcnt(ni));
|
|
|
+
|
|
|
+- return ieee80211_sta_join1(ieee80211_ref_node(ni));
|
|
|
++ return ieee80211_sta_join1(PASS_NODE(ni));
|
|
|
+ }
|
|
|
+ EXPORT_SYMBOL(ieee80211_sta_join);
|
|
|
+
|
|
|
+@@ -700,15 +702,13 @@
|
|
|
+ ieee80211_sta_leave(struct ieee80211_node *ni)
|
|
|
+ {
|
|
|
+ struct ieee80211vap *vap = ni->ni_vap;
|
|
|
+- struct ieee80211com *ic = vap->iv_ic;
|
|
|
+
|
|
|
+ /* WDS/Repeater: Stop software beacon timer for STA */
|
|
|
+ if (vap->iv_opmode == IEEE80211_M_STA &&
|
|
|
+ vap->iv_flags_ext & IEEE80211_FEXT_SWBMISS) {
|
|
|
+ del_timer(&vap->iv_swbmiss);
|
|
|
+ }
|
|
|
+-
|
|
|
+- ic->ic_node_cleanup(ni);
|
|
|
++
|
|
|
+ ieee80211_notify_node_leave(ni);
|
|
|
+ }
|
|
|
+
|
|
|
+@@ -717,11 +717,11 @@
|
|
|
+ */
|
|
|
+
|
|
|
+ static void
|
|
|
+-ieee80211_node_table_init(struct ieee80211com *ic,
|
|
|
+- struct ieee80211_node_table *nt, const char *name, int inact)
|
|
|
++ieee80211_node_table_init(struct ieee80211com *ic, struct ieee80211_node_table *nt,
|
|
|
++ const char *name, int inact)
|
|
|
+ {
|
|
|
+ nt->nt_ic = ic;
|
|
|
+- IEEE80211_NODE_LOCK_INIT(nt, ic->ic_dev->name);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_INIT(nt, ic->ic_dev->name);
|
|
|
+ IEEE80211_SCAN_LOCK_INIT(nt, ic->ic_dev->name);
|
|
|
+ TAILQ_INIT(&nt->nt_node);
|
|
|
+ nt->nt_name = name;
|
|
|
+@@ -733,11 +733,31 @@
|
|
|
+ mod_timer(&nt->nt_wds_aging_timer, jiffies + HZ * WDS_AGING_TIMER_VAL);
|
|
|
+ }
|
|
|
+
|
|
|
++static __inline void _node_table_join(struct ieee80211_node_table *nt, struct ieee80211_node *ni) {
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_ASSERT(nt);
|
|
|
++
|
|
|
++ ni->ni_table = nt;
|
|
|
++ TAILQ_INSERT_TAIL(&nt->nt_node, ieee80211_ref_node(ni), ni_list);
|
|
|
++ LIST_INSERT_HEAD(&nt->nt_hash[IEEE80211_NODE_HASH(ni->ni_macaddr)], ni, ni_hash);
|
|
|
++}
|
|
|
++
|
|
|
++static __inline void _node_table_leave(struct ieee80211_node_table *nt, struct ieee80211_node *ni) {
|
|
|
++ struct ieee80211_node *hni;
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_ASSERT(nt);
|
|
|
++
|
|
|
++ TAILQ_REMOVE(&nt->nt_node, ni, ni_list);
|
|
|
++ LIST_FOREACH(hni, &nt->nt_hash[IEEE80211_NODE_HASH(ni->ni_macaddr)], ni_hash) {
|
|
|
++ LIST_REMOVE(ni, ni_hash);
|
|
|
++ }
|
|
|
++ ni->ni_table = NULL;
|
|
|
++ _ieee80211_unref_node(ni);
|
|
|
++}
|
|
|
++
|
|
|
+ /* This is overridden by ath_node_alloc in ath/if_ath.c, and so
|
|
|
+- * should never get called
|
|
|
++ * should never get called.
|
|
|
+ */
|
|
|
+ static struct ieee80211_node *
|
|
|
+-node_alloc(struct ieee80211_node_table *nt, struct ieee80211vap *vap)
|
|
|
++node_alloc(struct ieee80211vap *vap)
|
|
|
+ {
|
|
|
+ struct ieee80211_node *ni;
|
|
|
+
|
|
|
+@@ -776,13 +796,6 @@
|
|
|
+ IEEE80211_UNLOCK_IRQ(ni->ni_ic);
|
|
|
+ }
|
|
|
+ }
|
|
|
+- /*
|
|
|
+- * Clear AREF flag that marks the authorization refcnt bump
|
|
|
+- * has happened. This is probably not needed as the node
|
|
|
+- * should always be removed from the table so not found but
|
|
|
+- * do it just in case.
|
|
|
+- */
|
|
|
+- ni->ni_flags &= ~IEEE80211_NODE_AREF;
|
|
|
+
|
|
|
+ /*
|
|
|
+ * Drain power save queue and, if needed, clear TIM.
|
|
|
+@@ -791,10 +804,7 @@
|
|
|
+ vap->iv_set_tim(ni, 0);
|
|
|
+
|
|
|
+ ni->ni_associd = 0;
|
|
|
+- if (ni->ni_challenge != NULL) {
|
|
|
+- FREE(ni->ni_challenge, M_DEVBUF);
|
|
|
+- ni->ni_challenge = NULL;
|
|
|
+- }
|
|
|
++
|
|
|
+ /*
|
|
|
+ * Preserve SSID, WPA, and WME ie's so the bss node is
|
|
|
+ * reusable during a re-auth/re-assoc state transition.
|
|
|
+@@ -819,9 +829,16 @@
|
|
|
+ static void
|
|
|
+ node_free(struct ieee80211_node *ni)
|
|
|
+ {
|
|
|
++#if 0
|
|
|
++ /* We should 'cleanup' and then free'ing should be done automatically on decref */
|
|
|
+ struct ieee80211com *ic = ni->ni_ic;
|
|
|
+
|
|
|
+ ic->ic_node_cleanup(ni);
|
|
|
++#endif
|
|
|
++ KASSERT(ieee80211_node_refcnt(ni) == 0, ("node being free whilst still referenced"));
|
|
|
++
|
|
|
++ if (ni->ni_challenge != NULL)
|
|
|
++ FREE(ni->ni_challenge, M_DEVBUF);
|
|
|
+ if (ni->ni_wpa_ie != NULL)
|
|
|
+ FREE(ni->ni_wpa_ie, M_DEVBUF);
|
|
|
+ if (ni->ni_rsn_ie != NULL)
|
|
|
+@@ -831,6 +848,7 @@
|
|
|
+ if (ni->ni_ath_ie != NULL)
|
|
|
+ FREE(ni->ni_ath_ie, M_DEVBUF);
|
|
|
+ IEEE80211_NODE_SAVEQ_DESTROY(ni);
|
|
|
++
|
|
|
+ FREE(ni, M_80211_NODE);
|
|
|
+ }
|
|
|
+
|
|
|
+@@ -847,55 +865,70 @@
|
|
|
+ * This interface is not intended for general use, it is
|
|
|
+ * used by the routines below to create entries with a
|
|
|
+ * specific purpose.
|
|
|
++ * Dont assume a BSS?
|
|
|
+ */
|
|
|
+ struct ieee80211_node *
|
|
|
+-ieee80211_alloc_node(struct ieee80211_node_table *nt,
|
|
|
+- struct ieee80211vap *vap, const u_int8_t *macaddr)
|
|
|
++ieee80211_alloc_node_table(struct ieee80211vap *vap,
|
|
|
++ const u_int8_t *macaddr)
|
|
|
+ {
|
|
|
+- struct ieee80211com *ic = nt->nt_ic;
|
|
|
++ struct ieee80211com *ic = vap->iv_ic;
|
|
|
++ struct ieee80211_node_table *nt = &ic->ic_sta;
|
|
|
+ struct ieee80211_node *ni;
|
|
|
+- int hash;
|
|
|
+
|
|
|
+- ni = ic->ic_node_alloc(nt, vap);
|
|
|
+- if (ni == NULL) {
|
|
|
+- /* XXX msg */
|
|
|
+- vap->iv_stats.is_rx_nodealloc++;
|
|
|
+- return NULL;
|
|
|
+- }
|
|
|
++ ni = ieee80211_alloc_node(vap, macaddr);
|
|
|
++ if (ni != NULL) {
|
|
|
++ ni->ni_inact = ni->ni_inact_reload = nt->nt_inact_init;
|
|
|
+
|
|
|
+- IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
|
|
|
+- "%s: %p<%s> in %s table, refcnt %d\n", __func__, ni,
|
|
|
+- ether_sprintf(macaddr), nt->nt_name,
|
|
|
+- ieee80211_node_refcnt(ni)+1);
|
|
|
++ WME_UAPSD_NODE_TRIGSEQINIT(ni);
|
|
|
++ IEEE80211_NODE_SAVEQ_INIT(ni, "unknown");
|
|
|
+
|
|
|
+- IEEE80211_ADDR_COPY(ni->ni_macaddr, macaddr);
|
|
|
+- hash = IEEE80211_NODE_HASH(macaddr);
|
|
|
+- ieee80211_node_initref(ni); /* mark referenced */
|
|
|
+- ni->ni_chan = IEEE80211_CHAN_ANYC;
|
|
|
+- ni->ni_authmode = IEEE80211_AUTH_OPEN;
|
|
|
+- ni->ni_txpower = ic->ic_txpowlimit; /* max power */
|
|
|
+- ieee80211_crypto_resetkey(vap, &ni->ni_ucastkey, IEEE80211_KEYIX_NONE);
|
|
|
+- ni->ni_inact_reload = nt->nt_inact_init;
|
|
|
+- ni->ni_inact = ni->ni_inact_reload;
|
|
|
+- ni->ni_ath_defkeyindex = IEEE80211_INVAL_DEFKEY;
|
|
|
+- ni->ni_rxkeyoff = 0;
|
|
|
+- IEEE80211_NODE_SAVEQ_INIT(ni, "unknown");
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
++ _node_table_join(nt, ni);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
++ }
|
|
|
+
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
+- ni->ni_vap = vap;
|
|
|
+- ni->ni_ic = ic;
|
|
|
+- ni->ni_table = nt;
|
|
|
+- TAILQ_INSERT_TAIL(&nt->nt_node, ni, ni_list);
|
|
|
+- LIST_INSERT_HEAD(&nt->nt_hash[hash], ni, ni_hash);
|
|
|
+- ni->ni_rxfrag = NULL;
|
|
|
+- ni->ni_challenge = NULL;
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ return ni;
|
|
|
++}
|
|
|
++EXPORT_SYMBOL(ieee80211_alloc_node_table);
|
|
|
++
|
|
|
++/* Allocate a node structure and initialise specialised structures
|
|
|
++ * This function does not add the node to the node table, thus this
|
|
|
++ * node will not be found using ieee80211_find_*node.
|
|
|
++ * This is useful when sending one off errors or request denials.
|
|
|
++ */
|
|
|
++static struct ieee80211_node *
|
|
|
++ieee80211_alloc_node(struct ieee80211vap *vap, const u_int8_t *macaddr)
|
|
|
++{
|
|
|
++ struct ieee80211com *ic = vap->iv_ic;
|
|
|
++ struct ieee80211_node *ni;
|
|
|
++
|
|
|
++ /* This always allocates zeroed memoery */
|
|
|
++ ni = ic->ic_node_alloc(vap);
|
|
|
++ if (ni != NULL) {
|
|
|
++ IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
|
|
|
++ "%s: %p<%s> refcnt %d\n", __func__, ni, ether_sprintf(macaddr),
|
|
|
++ ieee80211_node_refcnt(ni)+1);
|
|
|
+
|
|
|
+- WME_UAPSD_NODE_TRIGSEQINIT(ni);
|
|
|
++ ieee80211_node_initref(ni); /* mark referenced */
|
|
|
++
|
|
|
++ IEEE80211_ADDR_COPY(ni->ni_macaddr, macaddr);
|
|
|
++
|
|
|
++ ni->ni_chan = IEEE80211_CHAN_ANYC;
|
|
|
++ ni->ni_authmode = IEEE80211_AUTH_OPEN;
|
|
|
++ ni->ni_txpower = ic->ic_txpowlimit;
|
|
|
++
|
|
|
++ ieee80211_crypto_resetkey(vap, &ni->ni_ucastkey,
|
|
|
++ IEEE80211_KEYIX_NONE);
|
|
|
++ ni->ni_ath_defkeyindex = IEEE80211_INVAL_DEFKEY;
|
|
|
+
|
|
|
++ ni->ni_vap = vap;
|
|
|
++ ni->ni_ic = ic;
|
|
|
++ } else {
|
|
|
++ /* XXX msg */
|
|
|
++ vap->iv_stats.is_rx_nodealloc++;
|
|
|
++ }
|
|
|
+ return ni;
|
|
|
+ }
|
|
|
+-EXPORT_SYMBOL(ieee80211_alloc_node);
|
|
|
+
|
|
|
+ /* Add wds address to the node table */
|
|
|
+ int
|
|
|
+@@ -917,11 +950,11 @@
|
|
|
+ wds->wds_agingcount = WDS_AGING_COUNT;
|
|
|
+ hash = IEEE80211_NODE_HASH(macaddr);
|
|
|
+ IEEE80211_ADDR_COPY(wds->wds_macaddr, macaddr);
|
|
|
+- ieee80211_ref_node(ni); /* Reference node */
|
|
|
+- wds->wds_ni = ni;
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
++
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
++ wds->wds_ni = ieee80211_ref_node(ni);
|
|
|
+ LIST_INSERT_HEAD(&nt->nt_wds_hash[hash], wds, wds_hash);
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+ EXPORT_SYMBOL(ieee80211_add_wds_addr);
|
|
|
+@@ -934,22 +967,19 @@
|
|
|
+ struct ieee80211_wds_addr *wds, *twds;
|
|
|
+
|
|
|
+ hash = IEEE80211_NODE_HASH(macaddr);
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
+ LIST_FOREACH_SAFE(wds, &nt->nt_wds_hash[hash], wds_hash, twds) {
|
|
|
+ if (IEEE80211_ADDR_EQ(wds->wds_macaddr, macaddr)) {
|
|
|
+- if (ieee80211_node_dectestref(wds->wds_ni)) {
|
|
|
+- _ieee80211_free_node(wds->wds_ni);
|
|
|
+- LIST_REMOVE(wds, wds_hash);
|
|
|
+- FREE(wds, M_80211_WDS);
|
|
|
+- break;
|
|
|
+- }
|
|
|
++ LIST_REMOVE(wds, wds_hash);
|
|
|
++ ieee80211_unref_node(&wds->wds_ni);
|
|
|
++ FREE(wds, M_80211_WDS);
|
|
|
++ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
+ }
|
|
|
+ EXPORT_SYMBOL(ieee80211_remove_wds_addr);
|
|
|
+
|
|
|
+-
|
|
|
+ /* Remove node references from wds table */
|
|
|
+ void
|
|
|
+ ieee80211_del_wds_node(struct ieee80211_node_table *nt, struct ieee80211_node *ni)
|
|
|
+@@ -957,19 +987,17 @@
|
|
|
+ int hash;
|
|
|
+ struct ieee80211_wds_addr *wds, *twds;
|
|
|
+
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
+ for (hash = 0; hash < IEEE80211_NODE_HASHSIZE; hash++) {
|
|
|
+ LIST_FOREACH_SAFE(wds, &nt->nt_wds_hash[hash], wds_hash, twds) {
|
|
|
+ if (wds->wds_ni == ni) {
|
|
|
+- if (ieee80211_node_dectestref(ni)) {
|
|
|
+- _ieee80211_free_node(ni);
|
|
|
+- LIST_REMOVE(wds, wds_hash);
|
|
|
+- FREE(wds, M_80211_WDS);
|
|
|
+- }
|
|
|
++ LIST_REMOVE(wds, wds_hash);
|
|
|
++ ieee80211_unref_node(&wds->wds_ni);
|
|
|
++ FREE(wds, M_80211_WDS);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
+ }
|
|
|
+ EXPORT_SYMBOL(ieee80211_del_wds_node);
|
|
|
+
|
|
|
+@@ -980,88 +1008,46 @@
|
|
|
+ int hash;
|
|
|
+ struct ieee80211_wds_addr *wds, *twds;
|
|
|
+
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
+ for (hash = 0; hash < IEEE80211_NODE_HASHSIZE; hash++) {
|
|
|
+ LIST_FOREACH_SAFE(wds, &nt->nt_wds_hash[hash], wds_hash, twds) {
|
|
|
+ if (wds->wds_agingcount != WDS_AGING_STATIC) {
|
|
|
+ if (!wds->wds_agingcount) {
|
|
|
+- if (ieee80211_node_dectestref(wds->wds_ni)) {
|
|
|
+- _ieee80211_free_node(wds->wds_ni);
|
|
|
+- LIST_REMOVE(wds, wds_hash);
|
|
|
+- FREE(wds, M_80211_WDS);
|
|
|
+- }
|
|
|
++ LIST_REMOVE(wds, wds_hash);
|
|
|
++ ieee80211_unref_node(&wds->wds_ni);
|
|
|
++ FREE(wds, M_80211_WDS);
|
|
|
+ } else
|
|
|
+ wds->wds_agingcount--;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
+ mod_timer(&nt->nt_wds_aging_timer, jiffies + HZ * WDS_AGING_TIMER_VAL);
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /*
|
|
|
+- * Craft a temporary node suitable for sending a management frame
|
|
|
+- * to the specified station. We craft only as much state as we
|
|
|
+- * need to do the work since the node will be immediately reclaimed
|
|
|
+- * once the send completes.
|
|
|
+- */
|
|
|
+-struct ieee80211_node *
|
|
|
+-ieee80211_tmp_node(struct ieee80211vap *vap, const u_int8_t *macaddr)
|
|
|
+-{
|
|
|
+- struct ieee80211com *ic = vap->iv_ic;
|
|
|
+- struct ieee80211_node *ni;
|
|
|
+-
|
|
|
+- ni = ic->ic_node_alloc(&ic->ic_sta,vap);
|
|
|
+- if (ni != NULL) {
|
|
|
+- IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
|
|
|
+- "%s: %p<%s> refcnt %d\n", __func__, ni, ether_sprintf(macaddr),
|
|
|
+- ieee80211_node_refcnt(ni)+1);
|
|
|
+-
|
|
|
+- IEEE80211_ADDR_COPY(ni->ni_macaddr, macaddr);
|
|
|
+- IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_bss->ni_bssid);
|
|
|
+- ieee80211_node_initref(ni); /* mark referenced */
|
|
|
+- ni->ni_txpower = vap->iv_bss->ni_txpower;
|
|
|
+- ni->ni_vap = vap;
|
|
|
+- /* NB: required by ieee80211_fix_rate */
|
|
|
+- ieee80211_node_set_chan(ic, ni);
|
|
|
+- ieee80211_crypto_resetkey(vap, &ni->ni_ucastkey,
|
|
|
+- IEEE80211_KEYIX_NONE);
|
|
|
+- /* XXX optimize away */
|
|
|
+- IEEE80211_NODE_SAVEQ_INIT(ni, "unknown");
|
|
|
+-
|
|
|
+- ni->ni_table = NULL; /* NB: pedantic */
|
|
|
+- ni->ni_ic = ic;
|
|
|
+- ni->ni_rxfrag = NULL;
|
|
|
+- ni->ni_challenge = NULL;
|
|
|
+- } else {
|
|
|
+- /* XXX msg */
|
|
|
+- vap->iv_stats.is_rx_nodealloc++;
|
|
|
+- }
|
|
|
+- return ni;
|
|
|
+-}
|
|
|
+-
|
|
|
+-/*
|
|
|
+ * Add the specified station to the station table.
|
|
|
+ */
|
|
|
+ struct ieee80211_node *
|
|
|
+-ieee80211_dup_bss(struct ieee80211vap *vap, const u_int8_t *macaddr)
|
|
|
++ieee80211_dup_bss(struct ieee80211vap *vap, const u_int8_t *macaddr,
|
|
|
++ unsigned char tmp)
|
|
|
+ {
|
|
|
+- struct ieee80211com *ic = vap->iv_ic;
|
|
|
+ struct ieee80211_node *ni;
|
|
|
++
|
|
|
++ /* FIXME: Hack */
|
|
|
++ if (tmp)
|
|
|
++ ni = ieee80211_alloc_node(vap, macaddr);
|
|
|
++ else
|
|
|
++ ni = ieee80211_alloc_node_table(vap, macaddr);
|
|
|
+
|
|
|
+- ni = ieee80211_alloc_node(&ic->ic_sta, vap, macaddr);
|
|
|
+ if (ni != NULL) {
|
|
|
+- /*
|
|
|
+- * Inherit from iv_bss.
|
|
|
+- */
|
|
|
+- ni->ni_authmode = vap->iv_bss->ni_authmode;
|
|
|
+- ni->ni_txpower = vap->iv_bss->ni_txpower;
|
|
|
+- ni->ni_vlan = vap->iv_bss->ni_vlan; /* XXX?? */
|
|
|
++ copy_bss(ni, vap->iv_bss);
|
|
|
+ IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_bss->ni_bssid);
|
|
|
+- ieee80211_node_set_chan(ic, ni);
|
|
|
+- ni->ni_rsn = vap->iv_bss->ni_rsn;
|
|
|
+- ni->ni_rxfrag = NULL;
|
|
|
++ /* Do this only for nodes that already have a BSS. Otherwise
|
|
|
++ * ic_bsschan is not set and we get a KASSERT failure.
|
|
|
++ * Required by ieee80211_fix_rate */
|
|
|
++ ieee80211_node_set_chan(vap->iv_ic, ni);
|
|
|
+ }
|
|
|
+ return ni;
|
|
|
+ }
|
|
|
+@@ -1069,19 +1055,16 @@
|
|
|
+ static struct ieee80211_node *
|
|
|
+ _ieee80211_find_wds_node(struct ieee80211_node_table *nt, const u_int8_t *macaddr)
|
|
|
+ {
|
|
|
+- struct ieee80211_node *ni;
|
|
|
+ struct ieee80211_wds_addr *wds;
|
|
|
+ int hash;
|
|
|
+- IEEE80211_NODE_LOCK_ASSERT(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_ASSERT(nt);
|
|
|
+
|
|
|
+ hash = IEEE80211_NODE_HASH(macaddr);
|
|
|
+ LIST_FOREACH(wds, &nt->nt_wds_hash[hash], wds_hash) {
|
|
|
+ if (IEEE80211_ADDR_EQ(wds->wds_macaddr, macaddr)) {
|
|
|
+- ni = wds->wds_ni;
|
|
|
+ if (wds->wds_agingcount != WDS_AGING_STATIC)
|
|
|
+ wds->wds_agingcount = WDS_AGING_COUNT; /* reset the aging count */
|
|
|
+- ieee80211_ref_node(ni);
|
|
|
+- return ni;
|
|
|
++ return ieee80211_ref_node(wds->wds_ni);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return NULL;
|
|
|
+@@ -1099,7 +1082,7 @@
|
|
|
+ int hash;
|
|
|
+ struct ieee80211_wds_addr *wds;
|
|
|
+
|
|
|
+- IEEE80211_NODE_LOCK_ASSERT(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_ASSERT(nt);
|
|
|
+
|
|
|
+ hash = IEEE80211_NODE_HASH(macaddr);
|
|
|
+ LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) {
|
|
|
+@@ -1120,9 +1103,7 @@
|
|
|
+ nodes. */
|
|
|
+ LIST_FOREACH(wds, &nt->nt_wds_hash[hash], wds_hash) {
|
|
|
+ if (IEEE80211_ADDR_EQ(wds->wds_macaddr, macaddr)) {
|
|
|
+- ni = wds->wds_ni;
|
|
|
+- ieee80211_ref_node(ni);
|
|
|
+- return ni;
|
|
|
++ return ieee80211_ref_node(wds->wds_ni);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return NULL;
|
|
|
+@@ -1137,9 +1118,9 @@
|
|
|
+ {
|
|
|
+ struct ieee80211_node *ni;
|
|
|
+
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
+ ni = _ieee80211_find_wds_node(nt, macaddr);
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
+ return ni;
|
|
|
+ }
|
|
|
+ EXPORT_SYMBOL(ieee80211_find_wds_node);
|
|
|
+@@ -1154,9 +1135,9 @@
|
|
|
+ {
|
|
|
+ struct ieee80211_node *ni;
|
|
|
+
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
+ ni = _ieee80211_find_node(nt, macaddr);
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
+ return ni;
|
|
|
+ }
|
|
|
+ #ifdef IEEE80211_DEBUG_REFCNT
|
|
|
+@@ -1179,7 +1160,7 @@
|
|
|
+ {
|
|
|
+ struct ieee80211_node *ni;
|
|
|
+
|
|
|
+- ni = ieee80211_dup_bss(vap, macaddr);
|
|
|
++ ni = ieee80211_dup_bss(vap, macaddr, 0);
|
|
|
+ if (ni != NULL) {
|
|
|
+ /* XXX no rate negotiation; just dup */
|
|
|
+ ni->ni_rates = vap->iv_bss->ni_rates;
|
|
|
+@@ -1202,14 +1183,13 @@
|
|
|
+ * driver has an opportunity to setup it's private state.
|
|
|
+ */
|
|
|
+ struct ieee80211_node *
|
|
|
+-ieee80211_add_neighbor(struct ieee80211vap *vap, const struct ieee80211_frame *wh,
|
|
|
++ieee80211_add_neighbor(struct ieee80211vap *vap, const struct ieee80211_frame *wh,
|
|
|
+ const struct ieee80211_scanparams *sp)
|
|
|
+ {
|
|
|
+ struct ieee80211com *ic = vap->iv_ic;
|
|
|
+ struct ieee80211_node *ni;
|
|
|
+
|
|
|
+- ni = ieee80211_dup_bss(vap, wh->i_addr2); /* XXX alloc_node? */
|
|
|
+- /* TODO: not really putting itself in a table */
|
|
|
++ ni = ieee80211_dup_bss(vap, wh->i_addr2, 1);
|
|
|
+ if (ni != NULL) {
|
|
|
+ ni->ni_esslen = sp->ssid[1];
|
|
|
+ memcpy(ni->ni_essid, sp->ssid + 2, sp->ssid[1]);
|
|
|
+@@ -1284,12 +1264,12 @@
|
|
|
+ /* XXX check ic_bss first in station mode */
|
|
|
+ /* XXX 4-address frames? */
|
|
|
+ nt = &ic->ic_sta;
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
+ if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
|
|
|
+ ni = _ieee80211_find_node(nt, wh->i_addr1);
|
|
|
+ else
|
|
|
+ ni = _ieee80211_find_node(nt, wh->i_addr2);
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
+
|
|
|
+ return ni;
|
|
|
+ #undef IS_PSPOLL
|
|
|
+@@ -1326,9 +1306,9 @@
|
|
|
+
|
|
|
+ /* XXX can't hold lock across dup_bss due to recursive locking */
|
|
|
+ nt = &vap->iv_ic->ic_sta;
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
+ ni = _ieee80211_find_node(nt, mac);
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
+
|
|
|
+ if (ni == NULL) {
|
|
|
+ if (vap->iv_opmode == IEEE80211_M_IBSS ||
|
|
|
+@@ -1355,11 +1335,9 @@
|
|
|
+ EXPORT_SYMBOL(ieee80211_find_txnode);
|
|
|
+ #endif
|
|
|
+
|
|
|
+-/* Caller must lock the IEEE80211_NODE_LOCK
|
|
|
+- *
|
|
|
+- * Context: hwIRQ, softIRQ and process context
|
|
|
++/* Context: hwIRQ, softIRQ and process context
|
|
|
+ */
|
|
|
+-static void
|
|
|
++void
|
|
|
+ _ieee80211_free_node(struct ieee80211_node *ni)
|
|
|
+ {
|
|
|
+ struct ieee80211vap *vap = ni->ni_vap;
|
|
|
+@@ -1373,117 +1351,36 @@
|
|
|
+
|
|
|
+ if (vap->iv_aid_bitmap != NULL)
|
|
|
+ IEEE80211_AID_CLR(vap, ni->ni_associd);
|
|
|
+- if (nt != NULL) {
|
|
|
+- TAILQ_REMOVE(&nt->nt_node, ni, ni_list);
|
|
|
+- LIST_REMOVE(ni, ni_hash);
|
|
|
+- }
|
|
|
++
|
|
|
+ vap->iv_ic->ic_node_free(ni);
|
|
|
+ }
|
|
|
++EXPORT_SYMBOL(_ieee80211_free_node);
|
|
|
+
|
|
|
+-void
|
|
|
+-#ifdef IEEE80211_DEBUG_REFCNT
|
|
|
+-ieee80211_free_node_debug(struct ieee80211_node *ni, const char *func, int line)
|
|
|
+-#else
|
|
|
+-ieee80211_free_node(struct ieee80211_node *ni)
|
|
|
+-#endif
|
|
|
++static void _reset_node(void *arg, struct ieee80211_node *ni)
|
|
|
+ {
|
|
|
+- struct ieee80211_node_table *nt = ni->ni_table;
|
|
|
+- struct ieee80211com *ic = ni->ni_ic;
|
|
|
++ if (ni->ni_associd != 0) {
|
|
|
++ struct ieee80211vap *vap = ni->ni_vap;
|
|
|
+
|
|
|
+-#ifdef IEEE80211_DEBUG_REFCNT
|
|
|
+- IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE,
|
|
|
+- "%s (%s:%u) %p<%s> refcnt %d\n", __func__, func, line, ni,
|
|
|
+- ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni) - 1);
|
|
|
+-#endif
|
|
|
+- /*
|
|
|
+- * XXX: may need to lock out the following race. we dectestref
|
|
|
+- * and determine it's time to free the node. between the if()
|
|
|
+- * and lock, we take an rx intr to receive a frame from this
|
|
|
+- * node. the rx path (tasklet or intr) bumps this node's
|
|
|
+- * refcnt and xmits a response frame. eventually that response
|
|
|
+- * will get reaped, and the reaping code will attempt to use
|
|
|
+- * the node. the code below will delete the node prior
|
|
|
+- * to the reap and we could get a crash.
|
|
|
+- *
|
|
|
+- * as a stopgap before delving deeper, lock intrs to
|
|
|
+- * prevent this case.
|
|
|
+- */
|
|
|
+- IEEE80211_LOCK_IRQ(ic);
|
|
|
+- if (ieee80211_node_dectestref(ni)) {
|
|
|
+- /*
|
|
|
+- * Beware; if the node is marked gone then it's already
|
|
|
+- * been removed from the table and we cannot assume the
|
|
|
+- * table still exists. Regardless, there's no need to lock
|
|
|
+- * the table.
|
|
|
+- */
|
|
|
+- if (ni->ni_table != NULL) {
|
|
|
+- IEEE80211_NODE_LOCK(nt);
|
|
|
+- _ieee80211_free_node(ni);
|
|
|
+- IEEE80211_NODE_UNLOCK(nt);
|
|
|
+- } else
|
|
|
+- _ieee80211_free_node(ni);
|
|
|
++ if (vap->iv_auth->ia_node_leave != NULL)
|
|
|
++ vap->iv_auth->ia_node_leave(ni);
|
|
|
++ if (vap->iv_aid_bitmap != NULL)
|
|
|
++ IEEE80211_AID_CLR(vap, ni->ni_associd);
|
|
|
+ }
|
|
|
+- IEEE80211_UNLOCK_IRQ(ic);
|
|
|
+-}
|
|
|
+-#ifdef IEEE80211_DEBUG_REFCNT
|
|
|
+-EXPORT_SYMBOL(ieee80211_free_node_debug);
|
|
|
+-#else
|
|
|
+-EXPORT_SYMBOL(ieee80211_free_node);
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-/*
|
|
|
+- * Reclaim a node. If this is the last reference count then
|
|
|
+- * do the normal free work. Otherwise remove it from the node
|
|
|
+- * table and mark it gone by clearing the back-reference.
|
|
|
+- */
|
|
|
+-static void
|
|
|
+-node_reclaim(struct ieee80211_node_table *nt, struct ieee80211_node *ni)
|
|
|
+-{
|
|
|
+
|
|
|
+- IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE,
|
|
|
+- "%s: remove %p<%s> from %s table, refcnt %d\n",
|
|
|
+- __func__, ni, ether_sprintf(ni->ni_macaddr),
|
|
|
+- nt->nt_name, ieee80211_node_refcnt(ni)-1);
|
|
|
+- if (!ieee80211_node_dectestref(ni)) {
|
|
|
+- /*
|
|
|
+- * Other references are present, just remove the
|
|
|
+- * node from the table so it cannot be found. When
|
|
|
+- * the references are dropped storage will be
|
|
|
+- * reclaimed. This normally only happens for ic_bss.
|
|
|
+- */
|
|
|
+- TAILQ_REMOVE(&nt->nt_node, ni, ni_list);
|
|
|
+- LIST_REMOVE(ni, ni_hash);
|
|
|
+- ni->ni_table = NULL; /* clear reference */
|
|
|
+- } else
|
|
|
+- _ieee80211_free_node(ni);
|
|
|
++ ieee80211_node_leave(ni);
|
|
|
+ }
|
|
|
+
|
|
|
+ static void
|
|
|
+ ieee80211_node_table_reset(struct ieee80211_node_table *nt,
|
|
|
+- struct ieee80211vap *match)
|
|
|
++ struct ieee80211vap *vap)
|
|
|
+ {
|
|
|
+- struct ieee80211_node *ni, *next;
|
|
|
+-
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
+- TAILQ_FOREACH_SAFE(ni, &nt->nt_node, ni_list, next) {
|
|
|
+- if (match != NULL && ni->ni_vap != match)
|
|
|
+- continue;
|
|
|
+- if (ni->ni_associd != 0) {
|
|
|
+- struct ieee80211vap *vap = ni->ni_vap;
|
|
|
+-
|
|
|
+- if (vap->iv_auth->ia_node_leave != NULL)
|
|
|
+- vap->iv_auth->ia_node_leave(ni);
|
|
|
+- if (vap->iv_aid_bitmap != NULL)
|
|
|
+- IEEE80211_AID_CLR(vap, ni->ni_associd);
|
|
|
+- }
|
|
|
+- node_reclaim(nt, ni);
|
|
|
+- }
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ ieee80211_iterate_dev_nodes(vap->iv_dev, nt, _reset_node, NULL);
|
|
|
+ }
|
|
|
+
|
|
|
+ static void
|
|
|
+ ieee80211_node_table_cleanup(struct ieee80211_node_table *nt)
|
|
|
+ {
|
|
|
++ struct ieee80211com *ic = nt->nt_ic;
|
|
|
+ struct ieee80211_node *ni, *next;
|
|
|
+
|
|
|
+ TAILQ_FOREACH_SAFE(ni, &nt->nt_node, ni_list, next) {
|
|
|
+@@ -1495,11 +1392,11 @@
|
|
|
+ if (vap->iv_aid_bitmap != NULL)
|
|
|
+ IEEE80211_AID_CLR(vap, ni->ni_associd);
|
|
|
+ }
|
|
|
+- node_reclaim(nt, ni);
|
|
|
++ ic->ic_node_cleanup(ni);
|
|
|
+ }
|
|
|
+ del_timer(&nt->nt_wds_aging_timer);
|
|
|
+ IEEE80211_SCAN_LOCK_DESTROY(nt);
|
|
|
+- IEEE80211_NODE_LOCK_DESTROY(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_DESTROY(nt);
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+@@ -1527,19 +1424,22 @@
|
|
|
+ IEEE80211_SCAN_LOCK_IRQ(nt);
|
|
|
+ gen = ++nt->nt_scangen;
|
|
|
+ restart:
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
+ TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
|
|
|
+ if (ni->ni_scangen == gen) /* previously handled */
|
|
|
+ continue;
|
|
|
++ /* Temporary entries should no longer be in the node table */
|
|
|
+ /*
|
|
|
+ * Ignore entries for which have yet to receive an
|
|
|
+ * authentication frame. These are transient and
|
|
|
+ * will be reclaimed when the last reference to them
|
|
|
+ * goes away (when frame xmits complete).
|
|
|
+ */
|
|
|
+- if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
|
|
|
+- (ni->ni_flags & IEEE80211_NODE_AREF) == 0)
|
|
|
+- continue;
|
|
|
++ /*
|
|
|
++ *if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
|
|
|
++ * (ni->ni_flags & IEEE80211_NODE_AREF) == 0)
|
|
|
++ * continue;
|
|
|
++ */
|
|
|
+ ni->ni_scangen = gen;
|
|
|
+ /*
|
|
|
+ * Free fragment if not needed anymore
|
|
|
+@@ -1591,7 +1491,7 @@
|
|
|
+ * ref for us as needed.
|
|
|
+ */
|
|
|
+ ieee80211_ref_node(ni);
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ_EARLY(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ_EARLY(nt);
|
|
|
+ ieee80211_send_nulldata(ni);
|
|
|
+ /* XXX stat? */
|
|
|
+ goto restart;
|
|
|
+@@ -1614,18 +1514,18 @@
|
|
|
+ */
|
|
|
+ ni->ni_vap->iv_stats.is_node_timeout++;
|
|
|
+ ieee80211_ref_node(ni);
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ_EARLY(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ_EARLY(nt);
|
|
|
+ if (ni->ni_associd != 0) {
|
|
|
+ IEEE80211_SEND_MGMT(ni,
|
|
|
+ IEEE80211_FC0_SUBTYPE_DEAUTH,
|
|
|
+ IEEE80211_REASON_AUTH_EXPIRE);
|
|
|
+ }
|
|
|
+ ieee80211_node_leave(ni);
|
|
|
+- ieee80211_free_node(ni);
|
|
|
++ ieee80211_unref_node(&ni);
|
|
|
+ goto restart;
|
|
|
+ }
|
|
|
+ }
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
+
|
|
|
+ IEEE80211_SCAN_UNLOCK_IRQ(nt);
|
|
|
+ }
|
|
|
+@@ -1660,21 +1560,23 @@
|
|
|
+
|
|
|
+ IEEE80211_SCAN_LOCK_IRQ(nt);
|
|
|
+ gen = ++nt->nt_scangen;
|
|
|
++
|
|
|
+ restart:
|
|
|
+- IEEE80211_NODE_LOCK(nt);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
+ TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
|
|
|
+ if (dev != NULL && ni->ni_vap->iv_dev != dev)
|
|
|
+ continue; /* skip node not for this vap */
|
|
|
+ if (ni->ni_scangen != gen) {
|
|
|
+ ni->ni_scangen = gen;
|
|
|
+ (void) ieee80211_ref_node(ni);
|
|
|
+- IEEE80211_NODE_UNLOCK(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ_EARLY(nt);
|
|
|
+ (*f)(arg, ni);
|
|
|
+- ieee80211_free_node(ni);
|
|
|
++
|
|
|
++ ieee80211_unref_node(&ni);
|
|
|
+ goto restart;
|
|
|
+ }
|
|
|
+ }
|
|
|
+- IEEE80211_NODE_UNLOCK(nt);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
+
|
|
|
+ IEEE80211_SCAN_UNLOCK_IRQ(nt);
|
|
|
+ }
|
|
|
+@@ -1948,9 +1850,20 @@
|
|
|
+ "station with aid %d leaves (refcnt %u)",
|
|
|
+ IEEE80211_NODE_AID(ni), ieee80211_node_refcnt(ni));
|
|
|
+
|
|
|
++ /* From this point onwards we can no longer find the node,
|
|
|
++ * so no more references are generated
|
|
|
++ */
|
|
|
++ ieee80211_remove_wds_addr(nt, ni->ni_macaddr);
|
|
|
++ ieee80211_del_wds_node(nt, ni);
|
|
|
++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
|
|
|
++ _node_table_leave(nt, ni);
|
|
|
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
|
|
|
++
|
|
|
+ /*
|
|
|
+ * If node wasn't previously associated all
|
|
|
+ * we need to do is reclaim the reference.
|
|
|
++ * This also goes for nodes that are auth'ed but
|
|
|
++ * not associated.
|
|
|
+ */
|
|
|
+ /* XXX ibss mode bypasses 11g and notification */
|
|
|
+ if (ni->ni_associd == 0)
|
|
|
+@@ -1968,9 +1881,11 @@
|
|
|
+ IEEE80211_LOCK_IRQ(ic);
|
|
|
+ if (vap->iv_aid_bitmap != NULL)
|
|
|
+ IEEE80211_AID_CLR(vap, ni->ni_associd);
|
|
|
++
|
|
|
+ ni->ni_associd = 0;
|
|
|
+ vap->iv_sta_assoc--;
|
|
|
+ ic->ic_sta_assoc--;
|
|
|
++
|
|
|
+ #ifdef ATH_SUPERG_XR
|
|
|
+ if (ni->ni_vap->iv_flags & IEEE80211_F_XR)
|
|
|
+ ic->ic_xr_sta_assoc--;
|
|
|
+@@ -1981,6 +1896,7 @@
|
|
|
+ if (IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
|
|
|
+ ieee80211_node_leave_11g(ni);
|
|
|
+ IEEE80211_UNLOCK_IRQ(ic);
|
|
|
++
|
|
|
+ /*
|
|
|
+ * Cleanup station state. In particular clear various
|
|
|
+ * state that might otherwise be reused if the node
|
|
|
+@@ -1990,19 +1906,10 @@
|
|
|
+ ieee80211_sta_leave(ni);
|
|
|
+ done:
|
|
|
+ /*
|
|
|
+- * Remove the node from any table it's recorded in and
|
|
|
+- * drop the caller's reference. Removal from the table
|
|
|
+- * is important to ensure the node is not reprocessed
|
|
|
+- * for inactivity.
|
|
|
+- */
|
|
|
+- if (nt != NULL) {
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
+- node_reclaim(nt, ni);
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
+- ieee80211_remove_wds_addr(nt,ni->ni_macaddr);
|
|
|
+- ieee80211_del_wds_node(nt,ni);
|
|
|
+- } else
|
|
|
+- ieee80211_free_node(ni);
|
|
|
++ * Run a cleanup and then drop the caller's reference
|
|
|
++ */
|
|
|
++ ic->ic_node_cleanup(ni);
|
|
|
++ ieee80211_unref_node(&ni);
|
|
|
+ }
|
|
|
+ EXPORT_SYMBOL(ieee80211_node_leave);
|
|
|
+
|
|
|
+@@ -2062,25 +1969,8 @@
|
|
|
+ void
|
|
|
+ ieee80211_node_reset(struct ieee80211_node *ni, struct ieee80211vap *vap)
|
|
|
+ {
|
|
|
+- if (ni != NULL) {
|
|
|
+- struct ieee80211_node_table *nt = ni->ni_table;
|
|
|
+- if (!nt)
|
|
|
+- nt = &vap->iv_ic->ic_sta;
|
|
|
+- IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_bss->ni_bssid);
|
|
|
+- ni->ni_prev_vap = ni->ni_vap;
|
|
|
+- ni->ni_vap = vap;
|
|
|
+- ni->ni_ic = vap->iv_ic;
|
|
|
+- /*
|
|
|
+- * if node not found in the node table
|
|
|
+- * add it to the node table .
|
|
|
+- */
|
|
|
+- if(nt && ieee80211_find_node(nt, ni->ni_macaddr) != ni) {
|
|
|
+- int hash = IEEE80211_NODE_HASH(ni->ni_macaddr);
|
|
|
+- IEEE80211_NODE_LOCK_IRQ(nt);
|
|
|
+- TAILQ_INSERT_TAIL(&nt->nt_node, ni, ni_list);
|
|
|
+- LIST_INSERT_HEAD(&nt->nt_hash[hash], ni, ni_hash);
|
|
|
+- ni->ni_table = nt;
|
|
|
+- IEEE80211_NODE_UNLOCK_IRQ(nt);
|
|
|
+- }
|
|
|
+- }
|
|
|
++ IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_bss->ni_bssid);
|
|
|
++ ni->ni_prev_vap = ni->ni_vap;
|
|
|
++ ni->ni_vap = vap;
|
|
|
++ ni->ni_ic = vap->iv_ic;
|
|
|
+ }
|
|
|
+diff -ur madwifi.old/net80211/ieee80211_node.h madwifi.dev/net80211/ieee80211_node.h
|
|
|
+--- madwifi.old/net80211/ieee80211_node.h 2007-03-06 11:59:28.000000000 +0100
|
|
|
++++ madwifi.dev/net80211/ieee80211_node.h 2007-05-21 08:10:46.869753416 +0200
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+@@ -52,14 +52,14 @@
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+ * authorized. The latter timeout is shorter to more aggressively
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+ * reclaim nodes that leave part way through the 802.1x exchange.
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+ */
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+-#define IEEE80211_INACT_WAIT 15 /* inactivity interval (secs) */
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++#define IEEE80211_INACT_WAIT 15 /* inactivity interval (secs) */
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+ #define IEEE80211_INACT_INIT (30/IEEE80211_INACT_WAIT) /* initial */
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+ #define IEEE80211_INACT_AUTH (180/IEEE80211_INACT_WAIT) /* associated but not authorized */
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+ #define IEEE80211_INACT_RUN (300/IEEE80211_INACT_WAIT) /* authorized */
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+ #define IEEE80211_INACT_PROBE (30/IEEE80211_INACT_WAIT) /* probe */
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+ #define IEEE80211_INACT_SCAN (300/IEEE80211_INACT_WAIT) /* scanned */
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+
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+-#define IEEE80211_TRANS_WAIT 5 /* mgt frame tx timer (secs) */
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++#define IEEE80211_TRANS_WAIT 5 /* mgt frame tx timer (secs) */
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+
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+ #define IEEE80211_NODE_HASHSIZE 32
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+ /* simple hash is enough for variation of macaddr */
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+@@ -94,7 +94,8 @@
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+ struct ieee80211_node_table *ni_table;
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+ TAILQ_ENTRY(ieee80211_node) ni_list;
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+ LIST_ENTRY(ieee80211_node) ni_hash;
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+- atomic_t ni_refcnt;
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++ // ieee80211_node_lock_t ni_nodelock; /* on node - notably for ref counting */
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++ ieee80211_node_ref_count_t ni_refcnt;
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+ u_int ni_scangen; /* gen# for timeout scan */
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+ u_int8_t ni_authmode; /* authentication algorithm */
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+ u_int16_t ni_flags; /* special-purpose state */
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+@@ -121,13 +122,13 @@
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+ u_int16_t ni_associd; /* assoc response */
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+ u_int16_t ni_txpower; /* current transmit power (in 0.5 dBm) */
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+ u_int16_t ni_vlan; /* vlan tag */
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+- u_int32_t *ni_challenge; /* shared-key challenge */
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++ u_int32_t *ni_challenge; /* shared-key challenge */
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+ u_int8_t *ni_wpa_ie; /* captured WPA ie */
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+ u_int8_t *ni_rsn_ie; /* captured RSN ie */
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+ u_int8_t *ni_wme_ie; /* captured WME ie */
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+ u_int8_t *ni_ath_ie; /* captured Atheros ie */
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+- u_int16_t ni_txseqs[17]; /* tx seq per-tid */
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+- u_int16_t ni_rxseqs[17]; /* rx seq previous per-tid*/
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++ u_int16_t ni_txseqs[17]; /* tx seq per-tid */
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++ u_int16_t ni_rxseqs[17]; /* rx seq previous per-tid*/
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+ u_int32_t ni_rxfragstamp; /* time stamp of last rx frag */
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+ struct sk_buff *ni_rxfrag; /* rx frag reassembly */
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+ struct ieee80211_rsnparms ni_rsn; /* RSN/WPA parameters */
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+@@ -156,7 +157,7 @@
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+ struct ieee80211_channel *ni_chan;
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+ u_int16_t ni_fhdwell; /* FH only */
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+ u_int8_t ni_fhindex; /* FH only */
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+- u_int8_t ni_erp; /* ERP from beacon/probe resp */
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++ u_int8_t ni_erp; /* ERP from beacon/probe resp */
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+ u_int16_t ni_timoff; /* byte offset to TIM ie */
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+
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+ /* others */
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+@@ -168,7 +169,7 @@
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+ struct ieee80211vap *ni_prev_vap; /* previously associated vap */
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+ u_int8_t ni_uapsd; /* U-APSD per-node flags matching WMM STA Qos Info field */
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+ u_int8_t ni_uapsd_maxsp; /* maxsp from flags above */
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+- u_int16_t ni_uapsd_trigseq[WME_NUM_AC]; /* trigger suppression on retry */
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++ u_int16_t ni_uapsd_trigseq[WME_NUM_AC]; /* trigger suppression on retry */
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+ __le16 ni_pschangeseq;
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+ };
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+ MALLOC_DECLARE(M_80211_NODE);
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+@@ -186,20 +187,6 @@
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+ #define WME_UAPSD_NODE_INVALIDSEQ 0xffff
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+ #define WME_UAPSD_NODE_TRIGSEQINIT(_ni) (memset(&(_ni)->ni_uapsd_trigseq[0], 0xff, sizeof((_ni)->ni_uapsd_trigseq)))
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+
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+-static __inline struct ieee80211_node *
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+-ieee80211_ref_node(struct ieee80211_node *ni)
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+-{
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+- ieee80211_node_incref(ni);
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+- return ni;
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+-}
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+-
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+-static __inline void
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+-ieee80211_unref_node(struct ieee80211_node **ni)
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+-{
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+- ieee80211_node_decref(*ni);
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+- *ni = NULL; /* guard against use */
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+-}
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+-
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+ void ieee80211_node_attach(struct ieee80211com *);
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+ void ieee80211_node_detach(struct ieee80211com *);
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+ void ieee80211_node_vattach(struct ieee80211vap *);
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+@@ -242,43 +229,39 @@
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+ * is a second table for associated stations or neighbors.
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+ */
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+ struct ieee80211_node_table {
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++ const char *nt_name; /* for debugging */
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+ struct ieee80211com *nt_ic; /* back reference */
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+- ieee80211_node_lock_t nt_nodelock; /* on node table */
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++ ieee80211_node_table_lock_t nt_nodelock; /* on node table */
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+ TAILQ_HEAD(, ieee80211_node) nt_node; /* information of all nodes */
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+ ATH_LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE];
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+ ATH_LIST_HEAD(, ieee80211_wds_addr) nt_wds_hash[IEEE80211_NODE_HASHSIZE];
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+- const char *nt_name; /* for debugging */
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+ ieee80211_scan_lock_t nt_scanlock; /* on nt_scangen */
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+ u_int nt_scangen; /* gen# for timeout scan */
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+ int nt_inact_init; /* initial node inact setting */
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+ struct timer_list nt_wds_aging_timer; /* timer to age out wds entries */
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+ };
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+
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+-struct ieee80211_node *ieee80211_alloc_node(struct ieee80211_node_table *,
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+- struct ieee80211vap *, const u_int8_t *);
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+-struct ieee80211_node *ieee80211_tmp_node(struct ieee80211vap *,
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+- const u_int8_t *);
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+-struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *,
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++struct ieee80211_node *ieee80211_alloc_node_table(struct ieee80211vap *,
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+ const u_int8_t *);
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++struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *,
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++ const u_int8_t *, unsigned char);
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+ void ieee80211_node_reset(struct ieee80211_node *, struct ieee80211vap *);
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+ #ifdef IEEE80211_DEBUG_REFCNT
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+-void ieee80211_free_node_debug(struct ieee80211_node *, const char *, int);
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+ struct ieee80211_node *ieee80211_find_node_debug(struct ieee80211_node_table *,
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+ const u_int8_t *, const char *, int);
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+ struct ieee80211_node *ieee80211_find_rxnode_debug(struct ieee80211com *,
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+ const struct ieee80211_frame_min *, const char *, int);
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+ struct ieee80211_node *ieee80211_find_txnode_debug(struct ieee80211vap *,
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+ const u_int8_t *, const char *, int);
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+-#define ieee80211_free_node(ni) \
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+- ieee80211_free_node_debug(ni, __func__, __LINE__)
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+-#define ieee80211_find_node(nt, mac) \
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+- ieee80211_find_node_debug(nt, mac, __func__, __LINE__)
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+-#define ieee80211_find_rxnode(nt, wh) \
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+- ieee80211_find_rxnode_debug(nt, wh, __func__, __LINE__)
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+-#define ieee80211_find_txnode(nt, mac) \
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+- ieee80211_find_txnode_debug(nt, mac, __func__, __LINE__)
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++#define ieee80211_unref_node(_ni) \
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++ ieee80211_unref_node_debug(_ni, __func__, __LINE__)
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++#define ieee80211_find_node(_nt, _mac) \
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++ ieee80211_find_node_debug(_nt, _mac, __func__, __LINE__)
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++#define ieee80211_find_rxnode(_nt, _wh) \
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++ ieee80211_find_rxnode_debug(_nt, _wh, __func__, __LINE__)
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++#define ieee80211_find_txnode(_nt, _mac) \
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++ ieee80211_find_txnode_debug(_nt, _mac, __func__, __LINE__)
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+ #else
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+-void ieee80211_free_node(struct ieee80211_node *);
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+
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+ struct ieee80211_node *ieee80211_find_node(struct ieee80211_node_table *,
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+ const u_int8_t *);
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+@@ -287,6 +270,53 @@
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+ struct ieee80211_node *ieee80211_find_txnode(struct ieee80211vap *,
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+ const u_int8_t *);
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+ #endif
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++
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++void _ieee80211_free_node(struct ieee80211_node *);
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++
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++static __inline struct ieee80211_node *
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++ieee80211_ref_node(struct ieee80211_node *ni)
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++{
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++ ieee80211_node_incref(ni);
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++ return ni;
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++}
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++
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++static __inline struct ieee80211_node *
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++_ieee80211_pass_node(struct ieee80211_node **pni) {
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++ struct ieee80211_node *tmp = *pni;
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++ *pni = NULL;
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++ return (tmp);
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++}
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++
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++#define PASS_NODE(_ni) \
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++ _ieee80211_pass_node(&_ni)
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++
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++static __inline int
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++_ieee80211_unref_node(struct ieee80211_node *ni) {
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++ if (ieee80211_node_dectestref(ni)) {
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++ _ieee80211_free_node(ni);
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++ return 1;
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++ } else {
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++ return 0;
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++ }
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++}
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++
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++static __inline void
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++#ifdef IEEE80211_DEBUG_REFCNT
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++ieee80211_unref_node_debug(struct ieee80211_node **pni, const char *func, int line)
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++#else
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++ieee80211_unref_node(struct ieee80211_node **pni)
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++#endif
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++{
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++ struct ieee80211_node *ni = *pni;
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++#ifdef IEEE80211_DEBUG_REFCNT
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++ IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE,
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++ "%s (%s:%u) %p<%s> refcnt %d\n", __func__, func, line, ni,
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++ ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni) - 1);
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++#endif
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++ _ieee80211_unref_node(ni);
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++ *pni = NULL; /* guard against use */
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++}
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++
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+ int ieee80211_add_wds_addr(struct ieee80211_node_table *, struct ieee80211_node *,
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+ const u_int8_t *, u_int8_t);
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+ void ieee80211_remove_wds_addr(struct ieee80211_node_table *, const u_int8_t *);
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+diff -ur madwifi.old/net80211/ieee80211_output.c madwifi.dev/net80211/ieee80211_output.c
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+--- madwifi.old/net80211/ieee80211_output.c 2007-05-18 13:19:16.000000000 +0200
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++++ madwifi.dev/net80211/ieee80211_output.c 2007-05-21 08:10:46.870753264 +0200
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+@@ -254,7 +254,7 @@
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+ goto bad;
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+ }
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+
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+- cb->ni = ni;
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++ cb->ni = ieee80211_ref_node(ni);
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+
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+ /* power-save checks */
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+ if (WME_UAPSD_AC_CAN_TRIGGER(skb->priority, ni)) {
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+@@ -293,13 +293,14 @@
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+ }
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+ #endif
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+ ieee80211_parent_queue_xmit(skb);
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++ ieee80211_unref_node(&ni);
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+ return 0;
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+
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+ bad:
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+ if (skb != NULL)
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+ dev_kfree_skb(skb);
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+ if (ni != NULL)
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ return 0;
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+ }
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+
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+@@ -453,7 +454,7 @@
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+ if (skb == NULL) {
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+ /* XXX debug msg */
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+ vap->iv_stats.is_tx_nobuf++;
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ return -ENOMEM;
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+ }
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+ cb = (struct ieee80211_cb *)skb->cb;
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+@@ -507,16 +508,14 @@
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+ u_int8_t *frm;
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+ int tid;
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+
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+- ieee80211_ref_node(ni);
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+ skb = ieee80211_getmgtframe(&frm, 2);
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+ if (skb == NULL) {
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+ /* XXX debug msg */
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+ vap->iv_stats.is_tx_nobuf++;
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+- ieee80211_free_node(ni);
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+ return -ENOMEM;
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+ }
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+ cb = (struct ieee80211_cb *)skb->cb;
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+- cb->ni = ni;
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++ cb->ni = ieee80211_ref_node(ni);
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+
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+ skb->priority = ac;
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+ qwh = (struct ieee80211_qosframe *)skb_push(skb, sizeof(struct ieee80211_qosframe));
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+@@ -865,7 +864,7 @@
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+ nt = &ic->ic_sta;
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+ ni_wds = ieee80211_find_wds_node(nt, eh.ether_shost);
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+ if (ni_wds)
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+- ieee80211_free_node(ni_wds); /* Decr ref count */
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++ ieee80211_unref_node(&ni_wds); /* Decr ref count */
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+ else
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+ ieee80211_add_wds_addr(nt, ni, eh.ether_shost, 0);
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+ }
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+@@ -1719,7 +1718,6 @@
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+ __func__, __LINE__,
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+ ni, ether_sprintf(ni->ni_macaddr),
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+ ieee80211_node_refcnt(ni) + 1);
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+- ieee80211_ref_node(ni);
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+
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+ /*
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+ * prreq frame format
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+@@ -1735,7 +1733,6 @@
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+ vap->app_ie[IEEE80211_APPIE_FRAME_PROBE_REQ].length);
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+ if (skb == NULL) {
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+ vap->iv_stats.is_tx_nobuf++;
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+- ieee80211_free_node(ni);
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+ return -ENOMEM;
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+ }
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+
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+@@ -1758,7 +1755,7 @@
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+ skb_trim(skb, frm - skb->data);
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+
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+ cb = (struct ieee80211_cb *)skb->cb;
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+- cb->ni = ni;
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++ cb->ni = ieee80211_ref_node(ni);
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+
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+ wh = (struct ieee80211_frame *)
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+ skb_push(skb, sizeof(struct ieee80211_frame));
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+@@ -2234,7 +2231,7 @@
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+ mod_timer(&vap->iv_mgtsend, jiffies + timer * HZ);
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+ return 0;
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+ bad:
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ return ret;
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+ #undef senderr
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+ }
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+diff -ur madwifi.old/net80211/ieee80211_power.c madwifi.dev/net80211/ieee80211_power.c
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+--- madwifi.old/net80211/ieee80211_power.c 2007-05-18 13:19:16.000000000 +0200
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++++ madwifi.dev/net80211/ieee80211_power.c 2007-05-21 08:10:46.870753264 +0200
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+@@ -109,13 +109,15 @@
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+ int
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+ ieee80211_node_saveq_drain(struct ieee80211_node *ni)
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+ {
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++ struct ieee80211_cb *cb = NULL;
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+ struct sk_buff *skb;
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+ int qlen;
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+
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+ IEEE80211_NODE_SAVEQ_LOCK(ni);
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+ qlen = skb_queue_len(&ni->ni_savedq);
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+ while ((skb = __skb_dequeue(&ni->ni_savedq)) != NULL) {
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+- ieee80211_free_node(ni);
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++ cb = (struct ieee80211_cb *) skb->cb;
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++ ieee80211_unref_node(&cb->ni);
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+ dev_kfree_skb_any(skb);
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+ }
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+ IEEE80211_NODE_SAVEQ_UNLOCK(ni);
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+diff -ur madwifi.old/net80211/ieee80211_proto.c madwifi.dev/net80211/ieee80211_proto.c
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+--- madwifi.old/net80211/ieee80211_proto.c 2006-12-08 18:20:08.000000000 +0100
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++++ madwifi.dev/net80211/ieee80211_proto.c 2007-05-21 08:10:46.871753112 +0200
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+@@ -1456,7 +1456,7 @@
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+ */
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+ if (vap->iv_opmode == IEEE80211_M_WDS) {
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+ struct ieee80211_node *wds_ni;
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+- wds_ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->wds_mac);
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++ wds_ni = ieee80211_alloc_node_table(vap, vap->wds_mac);
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+ if (wds_ni != NULL) {
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+ if (ieee80211_add_wds_addr(&ic->ic_sta, wds_ni, vap->wds_mac, 1) == 0) {
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+ ieee80211_node_authorize(wds_ni);
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+diff -ur madwifi.old/net80211/ieee80211_var.h madwifi.dev/net80211/ieee80211_var.h
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+--- madwifi.old/net80211/ieee80211_var.h 2007-05-18 13:19:16.000000000 +0200
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++++ madwifi.dev/net80211/ieee80211_var.h 2007-05-21 08:12:01.499407984 +0200
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+@@ -44,6 +44,8 @@
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+
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+ #include <sys/queue.h>
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+
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++struct ieee80211vap;
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++
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+ #include <net80211/_ieee80211.h>
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+ #include <net80211/ieee80211.h>
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+ #include <net80211/ieee80211_crypto.h>
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+@@ -115,7 +117,6 @@
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+ * the underlying device and the net80211 layer is exposed here;
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+ * e.g. device-specific callbacks.
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+ */
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+-struct ieee80211vap;
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+
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+ struct ieee80211com {
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+ struct net_device *ic_dev; /* associated device */
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+@@ -236,8 +237,7 @@
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+ /* new station association callback/notification */
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+ void (*ic_newassoc)(struct ieee80211_node *, int);
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+ /* node state management */
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+- struct ieee80211_node *(*ic_node_alloc)(struct ieee80211_node_table *,
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+- struct ieee80211vap *);
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++ struct ieee80211_node *(*ic_node_alloc)(struct ieee80211vap *);
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+ void (*ic_node_free)(struct ieee80211_node *);
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+ void (*ic_node_cleanup)(struct ieee80211_node *);
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+ u_int8_t (*ic_node_getrssi)(const struct ieee80211_node *);
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+diff -ur madwifi.old/net80211/ieee80211_wireless.c madwifi.dev/net80211/ieee80211_wireless.c
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+--- madwifi.old/net80211/ieee80211_wireless.c 2007-05-18 13:19:16.000000000 +0200
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++++ madwifi.dev/net80211/ieee80211_wireless.c 2007-05-21 08:10:46.874752656 +0200
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+@@ -3186,7 +3186,7 @@
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+ error = -ENXIO;
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+ ieee80211_key_update_end(vap);
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+ if (ni != NULL)
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ #ifdef ATH_SUPERG_XR
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+ /* set the same params on the xr vap device if exists */
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+ if (vap->iv_xrvap && !(vap->iv_flags & IEEE80211_F_XR))
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+@@ -3246,7 +3246,7 @@
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+ memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
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+ }
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+ if (ni != NULL)
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ return (copy_to_user(iwr->u.data.pointer, &ik, sizeof(ik)) ? -EFAULT : 0);
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+ }
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+
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+@@ -3271,7 +3271,7 @@
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+ return -ENOENT; /* No such entity is a more appropriate error */
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+ /* XXX error return */
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+ ieee80211_crypto_delkey(vap, &ni->ni_ucastkey, ni);
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ } else {
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+ if (kix >= IEEE80211_WEP_NKID)
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+ return -EINVAL;
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+@@ -3382,7 +3382,7 @@
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+ return -EINVAL;
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+ if (dev == ni->ni_vap->iv_dev)
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+ domlme(mlme, ni);
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ } else
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+ ieee80211_iterate_dev_nodes(dev, &ic->ic_sta, domlme, mlme);
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+ break;
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+@@ -3401,7 +3401,7 @@
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+ ieee80211_node_authorize(ni);
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+ else
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+ ieee80211_node_unauthorize(ni);
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ break;
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+ case IEEE80211_MLME_CLEAR_STATS:
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+ if (vap->iv_opmode != IEEE80211_M_HOSTAP)
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+@@ -3412,7 +3412,7 @@
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+
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+ /* clear statistics */
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+ memset(&ni->ni_stats, 0, sizeof(struct ieee80211_nodestats));
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ break;
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+ default:
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+ return -EINVAL;
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+@@ -3785,7 +3785,7 @@
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+ ielen = sizeof(wpaie.rsn_ie);
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+ memcpy(wpaie.rsn_ie, ni->ni_rsn_ie, ielen);
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+ }
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ return (copy_to_user(iwr->u.data.pointer, &wpaie, sizeof(wpaie)) ?
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+ -EFAULT : 0);
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+ }
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+@@ -3813,7 +3813,7 @@
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+ /* NB: copy out only the statistics */
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+ error = copy_to_user(iwr->u.data.pointer + off, &ni->ni_stats,
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+ iwr->u.data.length - off);
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+- ieee80211_free_node(ni);
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++ ieee80211_unref_node(&ni);
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+ return (error ? -EFAULT : 0);
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+ }
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+
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