madwifi: add patch for doing ad-hoc and master mode at the same (including beacon...
authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Thu, 31 May 2007 03:41:01 +0000 (03:41 +0000)
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Thu, 31 May 2007 03:41:01 +0000 (03:41 +0000)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7409 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/madwifi/files/lib/wifi/madwifi.sh
package/madwifi/patches/121-ibss_hostap.patch [new file with mode: 0644]

index 51dedfa..5d4adc5 100755 (executable)
@@ -35,6 +35,7 @@ scan_atheros() {
        case "${adhoc:+1}:${sta:+1}:${ap+1}" in
                # valid mode combinations
                1::) wds="";;
+               1::1);;
                :1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
                :1:);;
                ::1);;
diff --git a/package/madwifi/patches/121-ibss_hostap.patch b/package/madwifi/patches/121-ibss_hostap.patch
new file mode 100644 (file)
index 0000000..a4c615d
--- /dev/null
@@ -0,0 +1,251 @@
+diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
+--- madwifi.old/ath/if_ath.c   2007-05-31 02:41:28.760477696 +0200
++++ madwifi.dev/ath/if_ath.c   2007-05-31 05:33:48.314626544 +0200
+@@ -1026,9 +1026,12 @@
+                       ic_opmode = opmode;
+               break;
+       case IEEE80211_M_IBSS:
+-              if (sc->sc_nvaps != 0)          /* only one */
+-                      return NULL;
+-              ic_opmode = opmode;
++              if (sc->sc_nvaps == 0)          /* only one */
++                      ic_opmode = opmode;
++              else
++                      ic_opmode = IEEE80211_M_HOSTAP;
++
++              sc->sc_nibssvaps++;
+               break;
+       case IEEE80211_M_AHDEMO:
+       case IEEE80211_M_MONITOR:
+@@ -1058,7 +1061,7 @@
+               return NULL;
+       }
+-      if (sc->sc_nvaps >= ATH_BCBUF) {
++      if (sc->sc_nvaps + sc->sc_nibssvaps >= ATH_BCBUF) {
+               printk(KERN_WARNING "too many virtual ap's (already got %d)\n", sc->sc_nvaps);
+               return NULL;
+       }
+@@ -1093,8 +1096,8 @@
+        */
+       if (opmode == IEEE80211_M_MONITOR)
+               dev->type = ARPHRD_IEEE80211_RADIOTAP;
+-      if ((flags & IEEE80211_CLONE_BSSID) &&
+-          sc->sc_nvaps != 0 && opmode != IEEE80211_M_WDS && sc->sc_hasbmask) {
++      if ((flags & IEEE80211_CLONE_BSSID) && sc->sc_hasbmask && 
++          (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_IBSS)) {
+               struct ieee80211vap *v;
+               unsigned int id_mask, id;
+               
+@@ -1107,18 +1110,22 @@
+               
+               /* do a full search to mark all the allocated VAPs */
+               id_mask = 0;
+-              TAILQ_FOREACH(v, &ic->ic_vaps, iv_next)
+-                      id_mask |= (1 << ATH_GET_VAP_ID(v->iv_myaddr));
+-              
+-              for (id = 0; id < ATH_BCBUF; id++) {
++              TAILQ_FOREACH(v, &ic->ic_vaps, iv_next) {
++                      struct ath_vap *a = (struct ath_vap *) v->iv_dev->priv;
++                      if (a->av_bslot >= 0)
++                              id_mask |= (1 << a->av_bslot);
++              }
++      
++              /* IBSS mode has local always set, so don't hand out beacon slot 0 to an IBSS vap */
++              for (id = (opmode == IEEE80211_M_IBSS ? 1 : 0); id < ATH_BCBUF; id++) {
+                       /* get the first available slot */
+                       if ((id_mask & (1 << id)) == 0) {
+                               ATH_SET_VAP_BSSID(vap->iv_myaddr, id);
++                              avp->av_bslot = id;
+                               break;
+                       }
+               }
+       }
+-      avp->av_bslot = -1;
+       STAILQ_INIT(&avp->av_mcastq.axq_q);
+       ATH_TXQ_LOCK_INIT(&avp->av_mcastq);
+       if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_IBSS) {
+@@ -1128,33 +1135,14 @@
+                */
+               avp->av_bcbuf = STAILQ_FIRST(&sc->sc_bbuf);
+               STAILQ_REMOVE_HEAD(&sc->sc_bbuf, bf_list);
+-              if (opmode == IEEE80211_M_HOSTAP || !sc->sc_hasveol) {
++              if ((opmode == IEEE80211_M_IBSS) || (opmode == IEEE80211_M_HOSTAP) || !sc->sc_hasveol) {
+                       unsigned int slot;
+-                      /*
+-                       * Assign the VAP to a beacon xmit slot.  As
+-                       * above, this cannot fail to find one.
+-                       */
+-                      avp->av_bslot = 0;
+-                      for (slot = 0; slot < ATH_BCBUF; slot++)
+-                              if (sc->sc_bslot[slot] == NULL) {
+-                                      /*
+-                                       * XXX hack, space out slots to better
+-                                       * deal with misses
+-                                       */
+-                                      if (slot + 1 < ATH_BCBUF &&
+-                                          sc->sc_bslot[slot+1] == NULL) {
+-                                              avp->av_bslot = slot + 1;
+-                                              break;
+-                                      }
+-                                      avp->av_bslot = slot;
+-                                      /* NB: keep looking for a double slot */
+-                              }
+                       KASSERT(sc->sc_bslot[avp->av_bslot] == NULL,
+                               ("beacon slot %u not empty?", avp->av_bslot));
+                       sc->sc_bslot[avp->av_bslot] = vap;
+                       sc->sc_nbcnvaps++;
+               }
+-              if ((opmode == IEEE80211_M_HOSTAP) && (sc->sc_hastsfadd)) {
++              if ((sc->sc_opmode == IEEE80211_M_HOSTAP) && (sc->sc_hastsfadd)) {
+                       /*
+                        * Multiple VAPs are to transmit beacons and we
+                        * have h/w support for TSF adjusting; enable use
+@@ -1263,7 +1251,9 @@
+               if (sc->sc_nbcnvaps == 0)
+                       sc->sc_stagbeacons = 0;
+       }
+-      if (vap->iv_opmode == IEEE80211_M_STA) {
++      if (vap->iv_opmode == IEEE80211_M_IBSS) {
++              sc->sc_nibssvaps--;     
++      } if (vap->iv_opmode == IEEE80211_M_STA) {
+               sc->sc_nstavaps--;
+               if (sc->sc_nostabeacons)
+                       sc->sc_nostabeacons = 0;
+@@ -3379,7 +3369,8 @@
+                HAL_RX_FILTER_MCAST;
+       if (ic->ic_opmode != IEEE80211_M_STA)
+               rfilt |= HAL_RX_FILTER_PROBEREQ;
+-      if (ic->ic_opmode != IEEE80211_M_HOSTAP && (dev->flags & IFF_PROMISC))
++      if ((ic->ic_opmode != IEEE80211_M_HOSTAP && (dev->flags & IFF_PROMISC)) ||
++              ((sc->sc_nvaps > 0) && (sc->sc_nibssvaps > 0)))
+               rfilt |= HAL_RX_FILTER_PROM;
+       if (ic->ic_opmode == IEEE80211_M_STA ||
+           sc->sc_opmode == HAL_M_IBSS ||      /* NB: AHDEMO too */
+@@ -3387,7 +3378,7 @@
+               ((ic->ic_opmode == IEEE80211_M_HOSTAP) &&
+                (ic->ic_protmode != IEEE80211_PROT_NONE)))
+               rfilt |= HAL_RX_FILTER_BEACON;
+-      if (sc->sc_nmonvaps > 0) 
++      if (sc->sc_nmonvaps > 0)
+               rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON | 
+                         HAL_RX_FILTER_PROBEREQ | HAL_RX_FILTER_PROM);
+       return rfilt;
+@@ -5830,12 +5821,20 @@
+                       type = ieee80211_input(ni, skb, rs->rs_rssi, rs->rs_tstamp);
+                       ieee80211_unref_node(&ni);
+               } else {
++                      const struct ieee80211_frame_min *wh = (const struct ieee80211_frame_min *) skb->data;
+                       /*
+                        * No key index or no entry, do a lookup and
+                        * add the node to the mapping table if possible.
+                        */
+-                      ni = ieee80211_find_rxnode(ic, 
+-                              (const struct ieee80211_frame_min *) skb->data);
++
++                      if ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PROBE_REQ)
++                              /* if this is a probe request, send it to all vaps
++                               * when looking up nodes, hostap will be preferred over ibss,
++                               * because ibss will catch all nodes */
++                              ni = NULL;
++                      else
++                              ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) skb->data);
++
+                       if (ni != NULL) {
+                               struct ath_node *an = ATH_NODE(ni);
+                               ieee80211_keyix_t keyix;
+diff -ur madwifi.old/ath/if_athvar.h madwifi.dev/ath/if_athvar.h
+--- madwifi.old/ath/if_athvar.h        2007-05-31 02:41:28.730482256 +0200
++++ madwifi.dev/ath/if_athvar.h        2007-05-31 04:36:20.707742456 +0200
+@@ -203,7 +203,7 @@
+ #define       ATH_RXBUF       40              /* number of RX buffers */
+ #define       ATH_TXBUF       200             /* number of TX buffers */
+-#define       ATH_BCBUF       4               /* number of beacon buffers */
++#define       ATH_BCBUF       8               /* number of beacon buffers */
+ /* free buffer threshold to restart net dev */
+ #define       ATH_TXBUF_FREE_THRESHOLD  (ATH_TXBUF / 20) 
+@@ -605,6 +605,7 @@
+       u_int16_t sc_nvaps;                     /* # of active virtual ap's */
+       u_int8_t sc_nstavaps;                   /* # of active station vaps */
+       u_int8_t sc_nmonvaps;                   /* # of monitor vaps */
++      u_int8_t sc_nibssvaps;                  /* # of active ibss vaps */
+       u_int8_t sc_nbcnvaps;                   /* # of vaps sending beacons */
+       u_int sc_fftxqmin;                      /* aggregation threshold */
+       HAL_INT sc_imask;                       /* interrupt mask copy */
+diff -ur madwifi.old/net80211/ieee80211_beacon.c madwifi.dev/net80211/ieee80211_beacon.c
+--- madwifi.old/net80211/ieee80211_beacon.c    2007-05-31 02:41:28.781474504 +0200
++++ madwifi.dev/net80211/ieee80211_beacon.c    2007-05-31 03:29:12.197169152 +0200
+@@ -111,7 +111,7 @@
+       bo->bo_tim = frm;
+       /* IBSS/TIM */
+-      if (vap->iv_opmode == IEEE80211_M_IBSS) {
++      if (ic->ic_opmode == IEEE80211_M_IBSS) {
+               *frm++ = IEEE80211_ELEMID_IBSSPARMS;
+               *frm++ = 2;
+               *frm++ = 0; *frm++ = 0;         /* TODO: ATIM window */
+diff -ur madwifi.old/net80211/ieee80211_input.c madwifi.dev/net80211/ieee80211_input.c
+--- madwifi.old/net80211/ieee80211_input.c     2007-05-31 02:41:28.784474048 +0200
++++ madwifi.dev/net80211/ieee80211_input.c     2007-05-31 05:36:08.577303376 +0200
+@@ -3020,7 +3020,13 @@
+                       return;
+               }
+               if (ni == vap->iv_bss) {
+-                      if (vap->iv_opmode == IEEE80211_M_IBSS) {
++                      /* this probe request may have been sent to all vaps
++                       * to give each a chance of creating a node for this.
++                       * important for hostap+ibss mode */
++                      ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) skb->data);
++                      if (ni) {
++                              allocbs = 0;
++                      } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
+                               /*
+                                * XXX Cannot tell if the sender is operating
+                                * in ibss mode.  But we need a new node to
+@@ -3029,12 +3035,13 @@
+                                */
+                               ni = ieee80211_fakeup_adhoc_node(vap,
+                                       wh->i_addr2);
++                              allocbs = 1;
+                       } else {
+                               ni = ieee80211_dup_bss(vap, wh->i_addr2, 1);
++                              allocbs = 1;
+                       }
+                       if (ni == NULL)
+                               return;
+-                      allocbs = 1;
+               }
+               IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_INPUT, wh->i_addr2,
+diff -ur madwifi.old/net80211/ieee80211_node.c madwifi.dev/net80211/ieee80211_node.c
+--- madwifi.old/net80211/ieee80211_node.c      2007-05-31 02:41:28.752478912 +0200
++++ madwifi.dev/net80211/ieee80211_node.c      2007-05-31 05:15:24.717398824 +0200
+@@ -1088,8 +1088,25 @@
+       IEEE80211_NODE_TABLE_LOCK_ASSERT(nt);
+       hash = IEEE80211_NODE_HASH(macaddr);
++      
++      /* look for non-ibss nodes first */
++      LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) {
++              if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr) && ni->ni_vap->iv_opmode != IEEE80211_M_IBSS) {
++                      ieee80211_ref_node(ni); /* mark referenced */
++#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));
++#endif
++                      return ni;
++              }
++      }
++
++      /* now look for ibss nodes */
+       LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) {
+-              if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) {
++              if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr) && ni->ni_vap->iv_opmode == IEEE80211_M_IBSS) {
+                       ieee80211_ref_node(ni); /* mark referenced */
+ #ifdef IEEE80211_DEBUG_REFCNT
+                       IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE,
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