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madwifi: add patch for doing ad-hoc and master mode at the same (including beacon handling)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7409 3c298f89-4303-0410-b956-a3cf2f4a3e73
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nbd
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0cee365af0
@ -35,6 +35,7 @@ scan_atheros() {
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case "${adhoc:+1}:${sta:+1}:${ap+1}" in
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# valid mode combinations
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1::) wds="";;
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1::1);;
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:1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
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:1:);;
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::1);;
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251
package/madwifi/patches/121-ibss_hostap.patch
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251
package/madwifi/patches/121-ibss_hostap.patch
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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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- 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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@@ -1107,18 +1110,22 @@
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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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-#define ATH_BCBUF 4 /* number of beacon buffers */
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+#define ATH_BCBUF 8 /* number of beacon buffers */
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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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/* 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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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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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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