1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
--- madwifi.old/ath/if_ath.c 2007-06-01 12:22:06.641518272 +0200
+++ madwifi.dev/ath/if_ath.c 2007-06-01 12:22:55.326117088 +0200
@@ -1048,9 +1048,12 @@
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:
@@ -1080,7 +1083,7 @@
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;
}
@@ -1115,8 +1118,9 @@
*/
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) {
+ avp->av_bslot = -1;
+ if ((flags & IEEE80211_CLONE_BSSID) && sc->sc_hasbmask &&
+ (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_IBSS)) {
struct ieee80211vap *v;
unsigned int id_mask, id;
@@ -1129,18 +1133,22 @@
/* 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));
+ 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);
+ }
- for (id = 0; id < ATH_BCBUF; id++) {
+ /* 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) {
@@ -1150,33 +1158,14 @@
*/
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
@@ -1286,7 +1275,9 @@
sc->sc_stagbeacons = 0;
}
- if (vap->iv_opmode == IEEE80211_M_STA) {
+ if (vap->iv_opmode == IEEE80211_M_IBSS) {
+ sc->sc_nibssvaps--;
+ } else if (vap->iv_opmode == IEEE80211_M_STA) {
sc->sc_nstavaps--;
sc->sc_nostabeacons = 0;
} else if (vap->iv_opmode == IEEE80211_M_MONITOR)
@@ -3356,7 +3347,8 @@
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 */
@@ -5809,12 +5801,19 @@
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 2007-06-01 12:22:06.642518120 +0200
+++ madwifi.dev/ath/if_athvar.h 2007-06-01 12:21:54.640342728 +0200
@@ -199,7 +199,7 @@
#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)
@@ -594,6 +594,7 @@
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 2007-06-01 12:22:06.642518120 +0200
+++ madwifi.dev/net80211/ieee80211_beacon.c 2007-06-01 12:21:54.640342728 +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 2007-06-01 12:22:06.645517664 +0200
+++ madwifi.dev/net80211/ieee80211_input.c 2007-06-01 12:21:54.642342424 +0200
@@ -2953,7 +2953,13 @@
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
@@ -2962,12 +2968,13 @@
*/
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 2007-06-01 12:22:06.646517512 +0200
+++ madwifi.dev/net80211/ieee80211_node.c 2007-06-01 12:21:54.644342120 +0200
@@ -1082,8 +1082,25 @@
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)) {
+ 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) && 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,
|
