diff options
Diffstat (limited to 'package/madwifi/patches/010-refcount_merge.patch')
| -rw-r--r-- | package/madwifi/patches/010-refcount_merge.patch | 2208 |
1 files changed, 2208 insertions, 0 deletions
diff --git a/package/madwifi/patches/010-refcount_merge.patch b/package/madwifi/patches/010-refcount_merge.patch new file mode 100644 index 0000000..a6c3359 --- /dev/null +++ b/package/madwifi/patches/010-refcount_merge.patch @@ -0,0 +1,2208 @@ +diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c +--- madwifi.old/ath/if_ath.c 2007-05-18 13:19:16.000000000 +0200 ++++ madwifi.dev/ath/if_ath.c 2007-05-21 08:10:46.864754176 +0200 +@@ -158,8 +158,7 @@ + static int ath_desc_alloc(struct ath_softc *); + static void ath_desc_free(struct ath_softc *); + static void ath_desc_swap(struct ath_desc *); +-static struct ieee80211_node *ath_node_alloc(struct ieee80211_node_table *, +- struct ieee80211vap *); ++static struct ieee80211_node *ath_node_alloc(struct ieee80211vap *); + static void ath_node_cleanup(struct ieee80211_node *); + static void ath_node_free(struct ieee80211_node *); + static u_int8_t ath_node_getrssi(const struct ieee80211_node *); +@@ -2385,7 +2384,7 @@ + if (ath_tx_start(sc->sc_dev, ni, bf_ff, bf_ff->bf_skb, 0) == 0) + continue; + bad: +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + if (bf_ff->bf_skb != NULL) { + dev_kfree_skb(bf_ff->bf_skb); + bf_ff->bf_skb = NULL; +@@ -2525,8 +2524,10 @@ + skb = bf->bf_skb; + ATH_FF_MAGIC_PUT(skb); + ++#if 0 + /* decrement extra node reference made when an_tx_ffbuf[] was set */ +- //ieee80211_free_node(ni); /* XXX where was it set ? */ ++ ieee80211_unref_node(&ni); /* XXX where was it set ? */ ++#endif + + DPRINTF(sc, ATH_DEBUG_XMIT | ATH_DEBUG_FF, + "%s: aggregating fast-frame\n", __func__); +@@ -2585,7 +2586,7 @@ + ff_flushbad: + DPRINTF(sc, ATH_DEBUG_XMIT | ATH_DEBUG_FF, + "%s: ff stageq flush failure\n", __func__); +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + if (bf_ff->bf_skb) { + dev_kfree_skb(bf_ff->bf_skb); + bf_ff->bf_skb = NULL; +@@ -2707,7 +2708,7 @@ + tbf->bf_node = NULL; + + if (ni != NULL) +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + + STAILQ_INSERT_TAIL(&sc->sc_txbuf, tbf, bf_list); + } +@@ -2789,7 +2790,7 @@ + /* fall thru... */ + bad: + if (ni != NULL) +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + if (bf != NULL) { + bf->bf_skb = NULL; + bf->bf_node = NULL; +@@ -3178,7 +3179,7 @@ + */ + ni = sc->sc_keyixmap[keyix]; + if (ni != NULL) { +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + sc->sc_keyixmap[keyix] = NULL; + } + /* +@@ -3189,7 +3190,7 @@ + ath_hal_keyreset(ah, keyix + 32); /* RX key */ + ni = sc->sc_keyixmap[keyix + 32]; + if (ni != NULL) { /* as above... */ +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + sc->sc_keyixmap[keyix + 32] = NULL; + } + } +@@ -3202,7 +3203,7 @@ + ath_hal_keyreset(ah, keyix + rxkeyoff); + ni = sc->sc_keyixmap[keyix + rxkeyoff]; + if (ni != NULL) { /* as above... */ +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + sc->sc_keyixmap[keyix + rxkeyoff] = NULL; + } + } +@@ -3764,10 +3765,8 @@ + dev_kfree_skb(bf->bf_skb); + bf->bf_skb = NULL; + } +- if (bf->bf_node != NULL) { +- ieee80211_free_node(bf->bf_node); +- bf->bf_node = NULL; +- } ++ if (bf->bf_node != NULL) ++ ieee80211_unref_node(&bf->bf_node); + + /* + * NB: the beacon data buffer must be 32-bit aligned; +@@ -3808,7 +3807,7 @@ + DPRINTF(sc, ATH_DEBUG_BEACON, + "%s: %s beacons, bslot %d intval %u tsfadjust(Kus) %llu\n", + __func__, sc->sc_stagbeacons ? "stagger" : "burst", +- avp->av_bslot, ni->ni_intval, (unsigned long long) tuadjust); ++ avp->av_bslot, ni->ni_intval, (long long) tuadjust); + + wh = (struct ieee80211_frame *) skb->data; + memcpy(&wh[1], &tsfadjust, sizeof(tsfadjust)); +@@ -4128,7 +4127,7 @@ + vap = sc->sc_bslot[(slot + 1) % ATH_BCBUF]; + DPRINTF(sc, ATH_DEBUG_BEACON_PROC, + "%s: slot %d [tsf %llu tsftu %u intval %u] vap %p\n", +- __func__, slot, (unsigned long long) tsf, tsftu, ic->ic_lintval, vap); ++ __func__, slot, (long long) tsf, tsftu, ic->ic_lintval, vap); + bfaddr = 0; + if (vap != NULL) { + bf = ath_beacon_generate(sc, vap, needmark); +@@ -4309,10 +4308,8 @@ + dev_kfree_skb(bf->bf_skb); + bf->bf_skb = NULL; + } +- if (bf->bf_node != NULL) { +- ieee80211_free_node(bf->bf_node); +- bf->bf_node = NULL; +- } ++ if (bf->bf_node != NULL) ++ ieee80211_unref_node(&bf->bf_node); + STAILQ_INSERT_TAIL(&sc->sc_bbuf, bf, bf_list); + } + +@@ -4331,10 +4328,8 @@ + dev_kfree_skb(bf->bf_skb); + bf->bf_skb = NULL; + } +- if (bf->bf_node != NULL) { +- ieee80211_free_node(bf->bf_node); +- bf->bf_node = NULL; +- } ++ if (bf->bf_node != NULL) ++ ieee80211_unref_node(&bf->bf_node); + } + } + +@@ -4620,7 +4615,7 @@ + /* + * Reclaim node reference. + */ +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + } + } + +@@ -4679,37 +4674,39 @@ + } + + static struct ieee80211_node * +-ath_node_alloc(struct ieee80211_node_table *nt,struct ieee80211vap *vap) ++ath_node_alloc(struct ieee80211vap *vap) + { +- struct ath_softc *sc = nt->nt_ic->ic_dev->priv; ++ struct ath_softc *sc = vap->iv_ic->ic_dev->priv; + const size_t space = sizeof(struct ath_node) + sc->sc_rc->arc_space; + struct ath_node *an; + + an = kmalloc(space, GFP_ATOMIC); +- if (an == NULL) +- return NULL; +- memset(an, 0, space); +- an->an_decomp_index = INVALID_DECOMP_INDEX; +- an->an_avgrssi = ATH_RSSI_DUMMY_MARKER; +- an->an_halstats.ns_avgbrssi = ATH_RSSI_DUMMY_MARKER; +- an->an_halstats.ns_avgrssi = ATH_RSSI_DUMMY_MARKER; +- an->an_halstats.ns_avgtxrssi = ATH_RSSI_DUMMY_MARKER; +- /* +- * ath_rate_node_init needs a VAP pointer in node +- * to decide which mgt rate to use +- */ +- an->an_node.ni_vap = vap; +- sc->sc_rc->ops->node_init(sc, an); +- +- /* U-APSD init */ +- STAILQ_INIT(&an->an_uapsd_q); +- an->an_uapsd_qdepth = 0; +- STAILQ_INIT(&an->an_uapsd_overflowq); +- an->an_uapsd_overflowqdepth = 0; +- ATH_NODE_UAPSD_LOCK_INIT(an); ++ if (an != NULL) { ++ memset(an, 0, space); ++ an->an_decomp_index = INVALID_DECOMP_INDEX; ++ an->an_avgrssi = ATH_RSSI_DUMMY_MARKER; ++ an->an_halstats.ns_avgbrssi = ATH_RSSI_DUMMY_MARKER; ++ an->an_halstats.ns_avgrssi = ATH_RSSI_DUMMY_MARKER; ++ an->an_halstats.ns_avgtxrssi = ATH_RSSI_DUMMY_MARKER; ++ /* ++ * ath_rate_node_init needs a vap pointer in node ++ * to decide which mgt rate to use ++ */ ++ an->an_node.ni_vap = vap; ++ sc->sc_rc->ops->node_init(sc, an); + +- DPRINTF(sc, ATH_DEBUG_NODE, "%s: an %p\n", __func__, an); +- return &an->an_node; ++ /* U-APSD init */ ++ STAILQ_INIT(&an->an_uapsd_q); ++ an->an_uapsd_qdepth = 0; ++ STAILQ_INIT(&an->an_uapsd_overflowq); ++ an->an_uapsd_overflowqdepth = 0; ++ ATH_NODE_UAPSD_LOCK_INIT(an); ++ ++ DPRINTF(sc, ATH_DEBUG_NODE, "%s: an %p\n", __func__, an); ++ return &an->an_node; ++ } else { ++ return NULL; ++ } + } + + static void +@@ -4719,6 +4716,7 @@ + struct ath_softc *sc = ni->ni_ic->ic_dev->priv; + struct ath_node *an = ATH_NODE(ni); + struct ath_buf *bf; ++ struct ieee80211_cb *cb = NULL; + + /* + * U-APSD cleanup +@@ -4733,15 +4731,18 @@ + while (an->an_uapsd_qdepth) { + bf = STAILQ_FIRST(&an->an_uapsd_q); + STAILQ_REMOVE_HEAD(&an->an_uapsd_q, bf_list); +- bf->bf_desc->ds_link = 0; + ++ cb = (struct ieee80211_cb *) bf->bf_skb->cb; ++ ieee80211_unref_node(&cb->ni); + dev_kfree_skb_any(bf->bf_skb); ++ ++ bf->bf_desc->ds_link = 0; + bf->bf_skb = NULL; + bf->bf_node = NULL; ++ + ATH_TXBUF_LOCK_IRQ(sc); + STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf, bf_list); + ATH_TXBUF_UNLOCK_IRQ(sc); +- ieee80211_free_node(ni); + + an->an_uapsd_qdepth--; + } +@@ -4749,19 +4750,25 @@ + while (an->an_uapsd_overflowqdepth) { + bf = STAILQ_FIRST(&an->an_uapsd_overflowq); + STAILQ_REMOVE_HEAD(&an->an_uapsd_overflowq, bf_list); +- bf->bf_desc->ds_link = 0; + ++ cb = (struct ieee80211_cb *) bf->bf_skb->cb; ++ ieee80211_unref_node(&cb->ni); + dev_kfree_skb_any(bf->bf_skb); ++ + bf->bf_skb = NULL; + bf->bf_node = NULL; ++ bf->bf_desc->ds_link = 0; ++ + ATH_TXBUF_LOCK_IRQ(sc); + STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf, bf_list); + ATH_TXBUF_UNLOCK_IRQ(sc); +- ieee80211_free_node(ni); + + an->an_uapsd_overflowqdepth--; + } + ++ /* Clean up node-specific rate things - this currently appears to always be a no-op */ ++ sc->sc_rc->ops->node_cleanup(sc, ATH_NODE(ni)); ++ + ATH_NODE_UAPSD_LOCK_IRQ(an); + sc->sc_node_cleanup(ni); + ATH_NODE_UAPSD_UNLOCK_IRQ(an); +@@ -4772,7 +4779,6 @@ + { + struct ath_softc *sc = ni->ni_ic->ic_dev->priv; + +- sc->sc_rc->ops->node_cleanup(sc, ATH_NODE(ni)); + sc->sc_node_free(ni); + #ifdef ATH_SUPERG_XR + ath_grppoll_period_update(sc); +@@ -5660,7 +5666,7 @@ + an = ATH_NODE(ieee80211_ref_node(ni)); + ATH_RSSI_LPF(an->an_avgrssi, rs->rs_rssi); + type = ieee80211_input(ni, skb, rs->rs_rssi, rs->rs_tstamp); +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + } else { + /* + * No key index or no entry, do a lookup and +@@ -5682,7 +5688,7 @@ + if (keyix != IEEE80211_KEYIX_NONE && + sc->sc_keyixmap[keyix] == NULL) + sc->sc_keyixmap[keyix] = ieee80211_ref_node(ni); +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + } else + type = ieee80211_input_all(ic, skb, + rs->rs_rssi, rs->rs_tstamp); +@@ -6478,8 +6484,7 @@ + STAILQ_REMOVE_HEAD(&an->an_uapsd_q, bf_list); + dev_kfree_skb(lastbuf->bf_skb); + lastbuf->bf_skb = NULL; +- ieee80211_free_node(lastbuf->bf_node); +- lastbuf->bf_node = NULL; ++ ieee80211_unref_node(&lastbuf->bf_node); + ATH_TXBUF_LOCK_IRQ(sc); + STAILQ_INSERT_TAIL(&sc->sc_txbuf, lastbuf, bf_list); + ATH_TXBUF_UNLOCK_IRQ(sc); +@@ -7229,7 +7234,7 @@ + * this is a DEAUTH message that was sent and the + * node was timed out due to inactivity. + */ +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + } + + bus_unmap_single(sc->sc_bdev, bf->bf_skbaddr, +@@ -7474,7 +7479,7 @@ + } + #endif /* ATH_SUPERG_FF */ + if (bf->bf_node) +- ieee80211_free_node(bf->bf_node); ++ ieee80211_unref_node(&bf->bf_node); + + bf->bf_skb = NULL; + bf->bf_node = NULL; +diff -ur madwifi.old/net80211/ieee80211_input.c madwifi.dev/net80211/ieee80211_input.c +--- madwifi.old/net80211/ieee80211_input.c 2007-05-18 13:19:16.000000000 +0200 ++++ madwifi.dev/net80211/ieee80211_input.c 2007-05-21 08:10:46.865754024 +0200 +@@ -489,7 +489,7 @@ + nt = &ic->ic_sta; + ni_wds = ieee80211_find_wds_node(nt, wh->i_addr3); + if (ni_wds) { +- ieee80211_free_node(ni_wds); /* Decr ref count */ ++ ieee80211_unref_node(&ni_wds); /* Decr ref count */ + IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT, + wh, NULL, "%s", + "multicast echo originated from node behind me"); +@@ -543,10 +543,12 @@ + * the node table for the packet source address (addr4). + * If not, add one. + */ ++ /* XXX: Useless node mgmt API; make better */ + 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 +@@ -52,14 +52,14 @@ + * authorized. The latter timeout is shorter to more aggressively + * reclaim nodes that leave part way through the 802.1x exchange. + */ +-#define IEEE80211_INACT_WAIT 15 /* inactivity interval (secs) */ ++#define IEEE80211_INACT_WAIT 15 /* inactivity interval (secs) */ + #define IEEE80211_INACT_INIT (30/IEEE80211_INACT_WAIT) /* initial */ + #define IEEE80211_INACT_AUTH (180/IEEE80211_INACT_WAIT) /* associated but not authorized */ + #define IEEE80211_INACT_RUN (300/IEEE80211_INACT_WAIT) /* authorized */ + #define IEEE80211_INACT_PROBE (30/IEEE80211_INACT_WAIT) /* probe */ + #define IEEE80211_INACT_SCAN (300/IEEE80211_INACT_WAIT) /* scanned */ + +-#define IEEE80211_TRANS_WAIT 5 /* mgt frame tx timer (secs) */ ++#define IEEE80211_TRANS_WAIT 5 /* mgt frame tx timer (secs) */ + + #define IEEE80211_NODE_HASHSIZE 32 + /* simple hash is enough for variation of macaddr */ +@@ -94,7 +94,8 @@ + struct ieee80211_node_table *ni_table; + TAILQ_ENTRY(ieee80211_node) ni_list; + LIST_ENTRY(ieee80211_node) ni_hash; +- atomic_t ni_refcnt; ++ // ieee80211_node_lock_t ni_nodelock; /* on node - notably for ref counting */ ++ ieee80211_node_ref_count_t ni_refcnt; + u_int ni_scangen; /* gen# for timeout scan */ + u_int8_t ni_authmode; /* authentication algorithm */ + u_int16_t ni_flags; /* special-purpose state */ +@@ -121,13 +122,13 @@ + u_int16_t ni_associd; /* assoc response */ + u_int16_t ni_txpower; /* current transmit power (in 0.5 dBm) */ + u_int16_t ni_vlan; /* vlan tag */ +- u_int32_t *ni_challenge; /* shared-key challenge */ ++ u_int32_t *ni_challenge; /* shared-key challenge */ + u_int8_t *ni_wpa_ie; /* captured WPA ie */ + u_int8_t *ni_rsn_ie; /* captured RSN ie */ + u_int8_t *ni_wme_ie; /* captured WME ie */ + u_int8_t *ni_ath_ie; /* captured Atheros ie */ +- u_int16_t ni_txseqs[17]; /* tx seq per-tid */ +- u_int16_t ni_rxseqs[17]; /* rx seq previous per-tid*/ ++ u_int16_t ni_txseqs[17]; /* tx seq per-tid */ ++ u_int16_t ni_rxseqs[17]; /* rx seq previous per-tid*/ + u_int32_t ni_rxfragstamp; /* time stamp of last rx frag */ + struct sk_buff *ni_rxfrag; /* rx frag reassembly */ + struct ieee80211_rsnparms ni_rsn; /* RSN/WPA parameters */ +@@ -156,7 +157,7 @@ + struct ieee80211_channel *ni_chan; + u_int16_t ni_fhdwell; /* FH only */ + u_int8_t ni_fhindex; /* FH only */ +- u_int8_t ni_erp; /* ERP from beacon/probe resp */ ++ u_int8_t ni_erp; /* ERP from beacon/probe resp */ + u_int16_t ni_timoff; /* byte offset to TIM ie */ + + /* others */ +@@ -168,7 +169,7 @@ + struct ieee80211vap *ni_prev_vap; /* previously associated vap */ + u_int8_t ni_uapsd; /* U-APSD per-node flags matching WMM STA Qos Info field */ + u_int8_t ni_uapsd_maxsp; /* maxsp from flags above */ +- u_int16_t ni_uapsd_trigseq[WME_NUM_AC]; /* trigger suppression on retry */ ++ u_int16_t ni_uapsd_trigseq[WME_NUM_AC]; /* trigger suppression on retry */ + __le16 ni_pschangeseq; + }; + MALLOC_DECLARE(M_80211_NODE); +@@ -186,20 +187,6 @@ + #define WME_UAPSD_NODE_INVALIDSEQ 0xffff + #define WME_UAPSD_NODE_TRIGSEQINIT(_ni) (memset(&(_ni)->ni_uapsd_trigseq[0], 0xff, sizeof((_ni)->ni_uapsd_trigseq))) + +-static __inline struct ieee80211_node * +-ieee80211_ref_node(struct ieee80211_node *ni) +-{ +- ieee80211_node_incref(ni); +- return ni; +-} +- +-static __inline void +-ieee80211_unref_node(struct ieee80211_node **ni) +-{ +- ieee80211_node_decref(*ni); +- *ni = NULL; /* guard against use */ +-} +- + void ieee80211_node_attach(struct ieee80211com *); + void ieee80211_node_detach(struct ieee80211com *); + void ieee80211_node_vattach(struct ieee80211vap *); +@@ -242,43 +229,39 @@ + * is a second table for associated stations or neighbors. + */ + struct ieee80211_node_table { ++ const char *nt_name; /* for debugging */ + struct ieee80211com *nt_ic; /* back reference */ +- ieee80211_node_lock_t nt_nodelock; /* on node table */ ++ ieee80211_node_table_lock_t nt_nodelock; /* on node table */ + TAILQ_HEAD(, ieee80211_node) nt_node; /* information of all nodes */ + ATH_LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE]; + ATH_LIST_HEAD(, ieee80211_wds_addr) nt_wds_hash[IEEE80211_NODE_HASHSIZE]; +- const char *nt_name; /* for debugging */ + ieee80211_scan_lock_t nt_scanlock; /* on nt_scangen */ + u_int nt_scangen; /* gen# for timeout scan */ + int nt_inact_init; /* initial node inact setting */ + struct timer_list nt_wds_aging_timer; /* timer to age out wds entries */ + }; + +-struct ieee80211_node *ieee80211_alloc_node(struct ieee80211_node_table *, +- struct ieee80211vap *, const u_int8_t *); +-struct ieee80211_node *ieee80211_tmp_node(struct ieee80211vap *, +- const u_int8_t *); +-struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *, ++struct ieee80211_node *ieee80211_alloc_node_table(struct ieee80211vap *, + const u_int8_t *); ++struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *, ++ const u_int8_t *, unsigned char); + void ieee80211_node_reset(struct ieee80211_node *, struct ieee80211vap *); + #ifdef IEEE80211_DEBUG_REFCNT +-void ieee80211_free_node_debug(struct ieee80211_node *, const char *, int); + struct ieee80211_node *ieee80211_find_node_debug(struct ieee80211_node_table *, + const u_int8_t *, const char *, int); + struct ieee80211_node *ieee80211_find_rxnode_debug(struct ieee80211com *, + const struct ieee80211_frame_min *, const char *, int); + struct ieee80211_node *ieee80211_find_txnode_debug(struct ieee80211vap *, + const u_int8_t *, const char *, int); +-#define ieee80211_free_node(ni) \ +- ieee80211_free_node_debug(ni, __func__, __LINE__) +-#define ieee80211_find_node(nt, mac) \ +- ieee80211_find_node_debug(nt, mac, __func__, __LINE__) +-#define ieee80211_find_rxnode(nt, wh) \ +- ieee80211_find_rxnode_debug(nt, wh, __func__, __LINE__) +-#define ieee80211_find_txnode(nt, mac) \ +- ieee80211_find_txnode_debug(nt, mac, __func__, __LINE__) ++#define ieee80211_unref_node(_ni) \ ++ ieee80211_unref_node_debug(_ni, __func__, __LINE__) ++#define ieee80211_find_node(_nt, _mac) \ ++ ieee80211_find_node_debug(_nt, _mac, __func__, __LINE__) ++#define ieee80211_find_rxnode(_nt, _wh) \ ++ ieee80211_find_rxnode_debug(_nt, _wh, __func__, __LINE__) ++#define ieee80211_find_txnode(_nt, _mac) \ ++ ieee80211_find_txnode_debug(_nt, _mac, __func__, __LINE__) + #else +-void ieee80211_free_node(struct ieee80211_node *); + + struct ieee80211_node *ieee80211_find_node(struct ieee80211_node_table *, + const u_int8_t *); +@@ -287,6 +270,53 @@ + struct ieee80211_node *ieee80211_find_txnode(struct ieee80211vap *, + const u_int8_t *); + #endif ++ ++void _ieee80211_free_node(struct ieee80211_node *); ++ ++static __inline struct ieee80211_node * ++ieee80211_ref_node(struct ieee80211_node *ni) ++{ ++ ieee80211_node_incref(ni); ++ return ni; ++} ++ ++static __inline struct ieee80211_node * ++_ieee80211_pass_node(struct ieee80211_node **pni) { ++ struct ieee80211_node *tmp = *pni; ++ *pni = NULL; ++ return (tmp); ++} ++ ++#define PASS_NODE(_ni) \ ++ _ieee80211_pass_node(&_ni) ++ ++static __inline int ++_ieee80211_unref_node(struct ieee80211_node *ni) { ++ if (ieee80211_node_dectestref(ni)) { ++ _ieee80211_free_node(ni); ++ return 1; ++ } else { ++ return 0; ++ } ++} ++ ++static __inline void ++#ifdef IEEE80211_DEBUG_REFCNT ++ieee80211_unref_node_debug(struct ieee80211_node **pni, const char *func, int line) ++#else ++ieee80211_unref_node(struct ieee80211_node **pni) ++#endif ++{ ++ struct ieee80211_node *ni = *pni; ++#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 ++ _ieee80211_unref_node(ni); ++ *pni = NULL; /* guard against use */ ++} ++ + int ieee80211_add_wds_addr(struct ieee80211_node_table *, struct ieee80211_node *, + const u_int8_t *, u_int8_t); + void ieee80211_remove_wds_addr(struct ieee80211_node_table *, const u_int8_t *); +diff -ur madwifi.old/net80211/ieee80211_output.c madwifi.dev/net80211/ieee80211_output.c +--- madwifi.old/net80211/ieee80211_output.c 2007-05-18 13:19:16.000000000 +0200 ++++ madwifi.dev/net80211/ieee80211_output.c 2007-05-21 08:10:46.870753264 +0200 +@@ -254,7 +254,7 @@ + goto bad; + } + +- cb->ni = ni; ++ cb->ni = ieee80211_ref_node(ni); + + /* power-save checks */ + if (WME_UAPSD_AC_CAN_TRIGGER(skb->priority, ni)) { +@@ -293,13 +293,14 @@ + } + #endif + ieee80211_parent_queue_xmit(skb); ++ ieee80211_unref_node(&ni); + return 0; + + bad: + if (skb != NULL) + dev_kfree_skb(skb); + if (ni != NULL) +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + return 0; + } + +@@ -453,7 +454,7 @@ + if (skb == NULL) { + /* XXX debug msg */ + vap->iv_stats.is_tx_nobuf++; +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + return -ENOMEM; + } + cb = (struct ieee80211_cb *)skb->cb; +@@ -507,16 +508,14 @@ + u_int8_t *frm; + int tid; + +- ieee80211_ref_node(ni); + skb = ieee80211_getmgtframe(&frm, 2); + if (skb == NULL) { + /* XXX debug msg */ + vap->iv_stats.is_tx_nobuf++; +- ieee80211_free_node(ni); + return -ENOMEM; + } + cb = (struct ieee80211_cb *)skb->cb; +- cb->ni = ni; ++ cb->ni = ieee80211_ref_node(ni); + + skb->priority = ac; + qwh = (struct ieee80211_qosframe *)skb_push(skb, sizeof(struct ieee80211_qosframe)); +@@ -865,7 +864,7 @@ + nt = &ic->ic_sta; + ni_wds = ieee80211_find_wds_node(nt, eh.ether_shost); + if (ni_wds) +- ieee80211_free_node(ni_wds); /* Decr ref count */ ++ ieee80211_unref_node(&ni_wds); /* Decr ref count */ + else + ieee80211_add_wds_addr(nt, ni, eh.ether_shost, 0); + } +@@ -1719,7 +1718,6 @@ + __func__, __LINE__, + ni, ether_sprintf(ni->ni_macaddr), + ieee80211_node_refcnt(ni) + 1); +- ieee80211_ref_node(ni); + + /* + * prreq frame format +@@ -1735,7 +1733,6 @@ + vap->app_ie[IEEE80211_APPIE_FRAME_PROBE_REQ].length); + if (skb == NULL) { + vap->iv_stats.is_tx_nobuf++; +- ieee80211_free_node(ni); + return -ENOMEM; + } + +@@ -1758,7 +1755,7 @@ + skb_trim(skb, frm - skb->data); + + cb = (struct ieee80211_cb *)skb->cb; +- cb->ni = ni; ++ cb->ni = ieee80211_ref_node(ni); + + wh = (struct ieee80211_frame *) + skb_push(skb, sizeof(struct ieee80211_frame)); +@@ -2234,7 +2231,7 @@ + mod_timer(&vap->iv_mgtsend, jiffies + timer * HZ); + return 0; + bad: +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + return ret; + #undef senderr + } +diff -ur madwifi.old/net80211/ieee80211_power.c madwifi.dev/net80211/ieee80211_power.c +--- madwifi.old/net80211/ieee80211_power.c 2007-05-18 13:19:16.000000000 +0200 ++++ madwifi.dev/net80211/ieee80211_power.c 2007-05-21 08:10:46.870753264 +0200 +@@ -109,13 +109,15 @@ + int + ieee80211_node_saveq_drain(struct ieee80211_node *ni) + { ++ struct ieee80211_cb *cb = NULL; + struct sk_buff *skb; + int qlen; + + IEEE80211_NODE_SAVEQ_LOCK(ni); + qlen = skb_queue_len(&ni->ni_savedq); + while ((skb = __skb_dequeue(&ni->ni_savedq)) != NULL) { +- ieee80211_free_node(ni); ++ cb = (struct ieee80211_cb *) skb->cb; ++ ieee80211_unref_node(&cb->ni); + dev_kfree_skb_any(skb); + } + IEEE80211_NODE_SAVEQ_UNLOCK(ni); +diff -ur madwifi.old/net80211/ieee80211_proto.c madwifi.dev/net80211/ieee80211_proto.c +--- madwifi.old/net80211/ieee80211_proto.c 2006-12-08 18:20:08.000000000 +0100 ++++ madwifi.dev/net80211/ieee80211_proto.c 2007-05-21 08:10:46.871753112 +0200 +@@ -1456,7 +1456,7 @@ + */ + if (vap->iv_opmode == IEEE80211_M_WDS) { + struct ieee80211_node *wds_ni; +- wds_ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->wds_mac); ++ wds_ni = ieee80211_alloc_node_table(vap, vap->wds_mac); + if (wds_ni != NULL) { + if (ieee80211_add_wds_addr(&ic->ic_sta, wds_ni, vap->wds_mac, 1) == 0) { + ieee80211_node_authorize(wds_ni); +diff -ur madwifi.old/net80211/ieee80211_var.h madwifi.dev/net80211/ieee80211_var.h +--- madwifi.old/net80211/ieee80211_var.h 2007-05-18 13:19:16.000000000 +0200 ++++ madwifi.dev/net80211/ieee80211_var.h 2007-05-21 08:12:01.499407984 +0200 +@@ -44,6 +44,8 @@ + + #include <sys/queue.h> + ++struct ieee80211vap; ++ + #include <net80211/_ieee80211.h> + #include <net80211/ieee80211.h> + #include <net80211/ieee80211_crypto.h> +@@ -115,7 +117,6 @@ + * the underlying device and the net80211 layer is exposed here; + * e.g. device-specific callbacks. + */ +-struct ieee80211vap; + + struct ieee80211com { + struct net_device *ic_dev; /* associated device */ +@@ -236,8 +237,7 @@ + /* new station association callback/notification */ + void (*ic_newassoc)(struct ieee80211_node *, int); + /* node state management */ +- struct ieee80211_node *(*ic_node_alloc)(struct ieee80211_node_table *, +- struct ieee80211vap *); ++ struct ieee80211_node *(*ic_node_alloc)(struct ieee80211vap *); + void (*ic_node_free)(struct ieee80211_node *); + void (*ic_node_cleanup)(struct ieee80211_node *); + u_int8_t (*ic_node_getrssi)(const struct ieee80211_node *); +diff -ur madwifi.old/net80211/ieee80211_wireless.c madwifi.dev/net80211/ieee80211_wireless.c +--- madwifi.old/net80211/ieee80211_wireless.c 2007-05-18 13:19:16.000000000 +0200 ++++ madwifi.dev/net80211/ieee80211_wireless.c 2007-05-21 08:10:46.874752656 +0200 +@@ -3186,7 +3186,7 @@ + error = -ENXIO; + ieee80211_key_update_end(vap); + if (ni != NULL) +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + #ifdef ATH_SUPERG_XR + /* set the same params on the xr vap device if exists */ + if (vap->iv_xrvap && !(vap->iv_flags & IEEE80211_F_XR)) +@@ -3246,7 +3246,7 @@ + memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); + } + if (ni != NULL) +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + return (copy_to_user(iwr->u.data.pointer, &ik, sizeof(ik)) ? -EFAULT : 0); + } + +@@ -3271,7 +3271,7 @@ + return -ENOENT; /* No such entity is a more appropriate error */ + /* XXX error return */ + ieee80211_crypto_delkey(vap, &ni->ni_ucastkey, ni); +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + } else { + if (kix >= IEEE80211_WEP_NKID) + return -EINVAL; +@@ -3382,7 +3382,7 @@ + return -EINVAL; + if (dev == ni->ni_vap->iv_dev) + domlme(mlme, ni); +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + } else + ieee80211_iterate_dev_nodes(dev, &ic->ic_sta, domlme, mlme); + break; +@@ -3401,7 +3401,7 @@ + ieee80211_node_authorize(ni); + else + ieee80211_node_unauthorize(ni); +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + break; + case IEEE80211_MLME_CLEAR_STATS: + if (vap->iv_opmode != IEEE80211_M_HOSTAP) +@@ -3412,7 +3412,7 @@ + + /* clear statistics */ + memset(&ni->ni_stats, 0, sizeof(struct ieee80211_nodestats)); +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + break; + default: + return -EINVAL; +@@ -3785,7 +3785,7 @@ + ielen = sizeof(wpaie.rsn_ie); + memcpy(wpaie.rsn_ie, ni->ni_rsn_ie, ielen); + } +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + return (copy_to_user(iwr->u.data.pointer, &wpaie, sizeof(wpaie)) ? + -EFAULT : 0); + } +@@ -3813,7 +3813,7 @@ + /* NB: copy out only the statistics */ + error = copy_to_user(iwr->u.data.pointer + off, &ni->ni_stats, + iwr->u.data.length - off); +- ieee80211_free_node(ni); ++ ieee80211_unref_node(&ni); + return (error ? -EFAULT : 0); + } + |