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@@ -0,0 +1,251 @@
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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 2007-05-31 02:41:28.760477696 +0200
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++++ madwifi.dev/ath/if_ath.c 2007-05-31 05:33:48.314626544 +0200
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+@@ -1026,9 +1026,12 @@
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+ ic_opmode = opmode;
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+ break;
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+ case IEEE80211_M_IBSS:
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+- if (sc->sc_nvaps != 0) /* only one */
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+- return NULL;
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+- ic_opmode = opmode;
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++ if (sc->sc_nvaps == 0) /* only one */
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++ ic_opmode = opmode;
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++ else
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++ ic_opmode = IEEE80211_M_HOSTAP;
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++
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++ sc->sc_nibssvaps++;
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+ break;
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+ case IEEE80211_M_AHDEMO:
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+ case IEEE80211_M_MONITOR:
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+@@ -1058,7 +1061,7 @@
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+ return NULL;
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+ }
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+
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+- if (sc->sc_nvaps >= ATH_BCBUF) {
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++ if (sc->sc_nvaps + sc->sc_nibssvaps >= ATH_BCBUF) {
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+ printk(KERN_WARNING "too many virtual ap's (already got %d)\n", sc->sc_nvaps);
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+ return NULL;
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+ }
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+@@ -1093,8 +1096,8 @@
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+ */
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+ if (opmode == IEEE80211_M_MONITOR)
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+ dev->type = ARPHRD_IEEE80211_RADIOTAP;
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+- if ((flags & IEEE80211_CLONE_BSSID) &&
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+- sc->sc_nvaps != 0 && opmode != IEEE80211_M_WDS && sc->sc_hasbmask) {
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++ if ((flags & IEEE80211_CLONE_BSSID) && sc->sc_hasbmask &&
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++ (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_IBSS)) {
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+ struct ieee80211vap *v;
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+ unsigned int id_mask, id;
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+
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+@@ -1107,18 +1110,22 @@
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+
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+ /* do a full search to mark all the allocated VAPs */
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+ id_mask = 0;
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+- TAILQ_FOREACH(v, &ic->ic_vaps, iv_next)
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+- id_mask |= (1 << ATH_GET_VAP_ID(v->iv_myaddr));
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+-
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+- for (id = 0; id < ATH_BCBUF; id++) {
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++ TAILQ_FOREACH(v, &ic->ic_vaps, iv_next) {
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++ struct ath_vap *a = (struct ath_vap *) v->iv_dev->priv;
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++ if (a->av_bslot >= 0)
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++ id_mask |= (1 << a->av_bslot);
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++ }
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++
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++ /* IBSS mode has local always set, so don't hand out beacon slot 0 to an IBSS vap */
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++ for (id = (opmode == IEEE80211_M_IBSS ? 1 : 0); id < ATH_BCBUF; id++) {
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+ /* get the first available slot */
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+ if ((id_mask & (1 << id)) == 0) {
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+ ATH_SET_VAP_BSSID(vap->iv_myaddr, id);
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++ avp->av_bslot = id;
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+ break;
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+ }
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+ }
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+ }
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+- avp->av_bslot = -1;
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+ STAILQ_INIT(&avp->av_mcastq.axq_q);
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+ ATH_TXQ_LOCK_INIT(&avp->av_mcastq);
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+ if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_IBSS) {
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+@@ -1128,33 +1135,14 @@
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+ */
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+ avp->av_bcbuf = STAILQ_FIRST(&sc->sc_bbuf);
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+ STAILQ_REMOVE_HEAD(&sc->sc_bbuf, bf_list);
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+- if (opmode == IEEE80211_M_HOSTAP || !sc->sc_hasveol) {
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++ if ((opmode == IEEE80211_M_IBSS) || (opmode == IEEE80211_M_HOSTAP) || !sc->sc_hasveol) {
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+ unsigned int slot;
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+- /*
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+- * Assign the VAP to a beacon xmit slot. As
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+- * above, this cannot fail to find one.
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+- */
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+- avp->av_bslot = 0;
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+- for (slot = 0; slot < ATH_BCBUF; slot++)
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+- if (sc->sc_bslot[slot] == NULL) {
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+- /*
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+- * XXX hack, space out slots to better
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+- * deal with misses
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+- */
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+- if (slot + 1 < ATH_BCBUF &&
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+- sc->sc_bslot[slot+1] == NULL) {
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+- avp->av_bslot = slot + 1;
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+- break;
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+- }
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+- avp->av_bslot = slot;
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+- /* NB: keep looking for a double slot */
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+- }
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+ KASSERT(sc->sc_bslot[avp->av_bslot] == NULL,
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+ ("beacon slot %u not empty?", avp->av_bslot));
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+ sc->sc_bslot[avp->av_bslot] = vap;
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+ sc->sc_nbcnvaps++;
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+ }
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+- if ((opmode == IEEE80211_M_HOSTAP) && (sc->sc_hastsfadd)) {
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++ if ((sc->sc_opmode == IEEE80211_M_HOSTAP) && (sc->sc_hastsfadd)) {
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+ /*
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+ * Multiple VAPs are to transmit beacons and we
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+ * have h/w support for TSF adjusting; enable use
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+@@ -1263,7 +1251,9 @@
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+ if (sc->sc_nbcnvaps == 0)
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+ sc->sc_stagbeacons = 0;
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+ }
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+- if (vap->iv_opmode == IEEE80211_M_STA) {
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++ if (vap->iv_opmode == IEEE80211_M_IBSS) {
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++ sc->sc_nibssvaps--;
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++ } if (vap->iv_opmode == IEEE80211_M_STA) {
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+ sc->sc_nstavaps--;
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+ if (sc->sc_nostabeacons)
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+ sc->sc_nostabeacons = 0;
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+@@ -3379,7 +3369,8 @@
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+ HAL_RX_FILTER_MCAST;
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+ if (ic->ic_opmode != IEEE80211_M_STA)
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+ rfilt |= HAL_RX_FILTER_PROBEREQ;
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+- if (ic->ic_opmode != IEEE80211_M_HOSTAP && (dev->flags & IFF_PROMISC))
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++ if ((ic->ic_opmode != IEEE80211_M_HOSTAP && (dev->flags & IFF_PROMISC)) ||
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++ ((sc->sc_nvaps > 0) && (sc->sc_nibssvaps > 0)))
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+ rfilt |= HAL_RX_FILTER_PROM;
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+ if (ic->ic_opmode == IEEE80211_M_STA ||
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+ sc->sc_opmode == HAL_M_IBSS || /* NB: AHDEMO too */
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+@@ -3387,7 +3378,7 @@
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+ ((ic->ic_opmode == IEEE80211_M_HOSTAP) &&
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+ (ic->ic_protmode != IEEE80211_PROT_NONE)))
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+ rfilt |= HAL_RX_FILTER_BEACON;
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+- if (sc->sc_nmonvaps > 0)
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++ if (sc->sc_nmonvaps > 0)
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+ rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
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+ HAL_RX_FILTER_PROBEREQ | HAL_RX_FILTER_PROM);
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+ return rfilt;
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+@@ -5830,12 +5821,20 @@
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+ type = ieee80211_input(ni, skb, rs->rs_rssi, rs->rs_tstamp);
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+ ieee80211_unref_node(&ni);
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+ } else {
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++ const struct ieee80211_frame_min *wh = (const struct ieee80211_frame_min *) skb->data;
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+ /*
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+ * No key index or no entry, do a lookup and
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+ * add the node to the mapping table if possible.
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+ */
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+- ni = ieee80211_find_rxnode(ic,
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+- (const struct ieee80211_frame_min *) skb->data);
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++
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++ if ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PROBE_REQ)
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++ /* if this is a probe request, send it to all vaps
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++ * when looking up nodes, hostap will be preferred over ibss,
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++ * because ibss will catch all nodes */
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++ ni = NULL;
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++ else
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++ ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) skb->data);
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++
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+ if (ni != NULL) {
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+ struct ath_node *an = ATH_NODE(ni);
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+ ieee80211_keyix_t keyix;
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+diff -ur madwifi.old/ath/if_athvar.h madwifi.dev/ath/if_athvar.h
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+--- madwifi.old/ath/if_athvar.h 2007-05-31 02:41:28.730482256 +0200
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++++ madwifi.dev/ath/if_athvar.h 2007-05-31 04:36:20.707742456 +0200
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+@@ -203,7 +203,7 @@
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+ #define ATH_RXBUF 40 /* number of RX buffers */
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+ #define ATH_TXBUF 200 /* number of TX buffers */
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+
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+-#define ATH_BCBUF 4 /* number of beacon buffers */
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++#define ATH_BCBUF 8 /* number of beacon buffers */
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+
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+ /* free buffer threshold to restart net dev */
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+ #define ATH_TXBUF_FREE_THRESHOLD (ATH_TXBUF / 20)
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+@@ -605,6 +605,7 @@
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+ u_int16_t sc_nvaps; /* # of active virtual ap's */
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+ u_int8_t sc_nstavaps; /* # of active station vaps */
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+ u_int8_t sc_nmonvaps; /* # of monitor vaps */
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++ u_int8_t sc_nibssvaps; /* # of active ibss vaps */
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+ u_int8_t sc_nbcnvaps; /* # of vaps sending beacons */
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+ u_int sc_fftxqmin; /* aggregation threshold */
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+ HAL_INT sc_imask; /* interrupt mask copy */
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+diff -ur madwifi.old/net80211/ieee80211_beacon.c madwifi.dev/net80211/ieee80211_beacon.c
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+--- madwifi.old/net80211/ieee80211_beacon.c 2007-05-31 02:41:28.781474504 +0200
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++++ madwifi.dev/net80211/ieee80211_beacon.c 2007-05-31 03:29:12.197169152 +0200
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+@@ -111,7 +111,7 @@
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+ bo->bo_tim = frm;
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+
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+ /* IBSS/TIM */
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+- if (vap->iv_opmode == IEEE80211_M_IBSS) {
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++ if (ic->ic_opmode == IEEE80211_M_IBSS) {
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+ *frm++ = IEEE80211_ELEMID_IBSSPARMS;
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+ *frm++ = 2;
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+ *frm++ = 0; *frm++ = 0; /* TODO: ATIM window */
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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 2007-05-31 02:41:28.784474048 +0200
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++++ madwifi.dev/net80211/ieee80211_input.c 2007-05-31 05:36:08.577303376 +0200
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+@@ -3020,7 +3020,13 @@
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+ return;
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+ }
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+ if (ni == vap->iv_bss) {
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+- if (vap->iv_opmode == IEEE80211_M_IBSS) {
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++ /* this probe request may have been sent to all vaps
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++ * to give each a chance of creating a node for this.
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++ * important for hostap+ibss mode */
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++ ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) skb->data);
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++ if (ni) {
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++ allocbs = 0;
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++ } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
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+ /*
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+ * XXX Cannot tell if the sender is operating
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+ * in ibss mode. But we need a new node to
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+@@ -3029,12 +3035,13 @@
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+ */
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+ ni = ieee80211_fakeup_adhoc_node(vap,
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+ wh->i_addr2);
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++ allocbs = 1;
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+ } else {
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+ ni = ieee80211_dup_bss(vap, wh->i_addr2, 1);
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++ allocbs = 1;
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+ }
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+ if (ni == NULL)
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+ return;
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+- allocbs = 1;
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+ }
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+
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+ IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_INPUT, wh->i_addr2,
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+diff -ur madwifi.old/net80211/ieee80211_node.c madwifi.dev/net80211/ieee80211_node.c
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+--- madwifi.old/net80211/ieee80211_node.c 2007-05-31 02:41:28.752478912 +0200
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++++ madwifi.dev/net80211/ieee80211_node.c 2007-05-31 05:15:24.717398824 +0200
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+@@ -1088,8 +1088,25 @@
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+ IEEE80211_NODE_TABLE_LOCK_ASSERT(nt);
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+
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+ hash = IEEE80211_NODE_HASH(macaddr);
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++
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++ /* look for non-ibss nodes first */
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++ LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) {
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++ if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr) && ni->ni_vap->iv_opmode != IEEE80211_M_IBSS) {
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++ ieee80211_ref_node(ni); /* mark referenced */
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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__,
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++ func, line,
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++ ni, ether_sprintf(ni->ni_macaddr),
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++ ieee80211_node_refcnt(ni));
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++#endif
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++ return ni;
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++ }
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++ }
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++
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++ /* now look for ibss nodes */
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+ LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) {
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+- if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) {
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++ if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr) && ni->ni_vap->iv_opmode == IEEE80211_M_IBSS) {
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+ ieee80211_ref_node(ni); /* mark referenced */
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+ #ifdef IEEE80211_DEBUG_REFCNT
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+ IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE,
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Felix Fietkau