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
242
243
244
245
246
247
248
|
--- a/hostapd/config.c
+++ b/hostapd/config.c
@@ -1526,6 +1526,8 @@ struct hostapd_config * hostapd_config_r
line, pos);
errors++;
}
+ } else if (os_strcmp(buf, "wds_sta") == 0) {
+ bss->wds_sta = atoi(pos);
} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
bss->ap_max_inactivity = atoi(pos);
} else if (os_strcmp(buf, "country_code") == 0) {
--- a/hostapd/config.h
+++ b/hostapd/config.h
@@ -198,6 +198,7 @@ struct hostapd_bss_config {
int num_accept_mac;
struct mac_acl_entry *deny_mac;
int num_deny_mac;
+ int wds_sta;
int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
* algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -1305,6 +1305,7 @@ struct wpa_driver_ops {
const char *ifname, const u8 *addr);
int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname,
int vlan_id);
+ int (*set_wds_sta)(void *priv, const u8 *addr, int aid, int val);
/**
* commit - Optional commit changes handler
* @priv: driver private data
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -2755,7 +2755,7 @@ static void nl80211_remove_iface(struct
static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
const char *ifname,
enum nl80211_iftype iftype,
- const u8 *addr)
+ const u8 *addr, int wds)
{
struct nl_msg *msg, *flags = NULL;
int ifidx;
@@ -2786,6 +2786,8 @@ static int nl80211_create_iface_once(str
if (err)
goto nla_put_failure;
+ } else if (wds) {
+ NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds);
}
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
@@ -2816,11 +2818,11 @@ static int nl80211_create_iface_once(str
}
static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
const char *ifname, enum nl80211_iftype iftype,
- const u8 *addr)
+ const u8 *addr, int wds)
{
int ret;
- ret = nl80211_create_iface_once(drv, ifname, iftype, addr);
+ ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds);
/* if error occured and interface exists already */
if (ret == -ENFILE && if_nametoindex(ifname)) {
@@ -2830,7 +2832,7 @@ static int nl80211_create_iface(struct w
nl80211_remove_iface(drv, if_nametoindex(ifname));
/* Try to create the interface again */
- ret = nl80211_create_iface_once(drv, ifname, iftype, addr);
+ ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds);
}
return ret;
@@ -3055,7 +3057,7 @@ static struct sock_filter msock_filter_i
#if 0
/*
- * drop non-data frames, WDS frames
+ * drop non-data frames
*/
/* load the lower byte of the frame control field */
BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
@@ -3063,13 +3065,13 @@ static struct sock_filter msock_filter_i
BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c),
/* drop non-data frames */
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL),
+#endif
/* load the upper byte of the frame control field */
- BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
+ BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1),
/* mask off toDS/fromDS */
BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03),
- /* drop WDS frames */
- BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, FAIL, 0),
-#endif
+ /* accept WDS frames */
+ BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0),
/*
* add header length to index
@@ -3175,7 +3177,7 @@ nl80211_create_monitor_interface(struct
buf[IFNAMSIZ - 1] = '\0';
drv->monitor_ifidx =
- nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL);
+ nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL, 0);
if (drv->monitor_ifidx < 0)
return -1;
@@ -4155,7 +4157,7 @@ static int i802_bss_add(void *priv, cons
if (bss == NULL)
return -1;
- ifidx = nl80211_create_iface(priv, ifname, NL80211_IFTYPE_AP, bssid);
+ ifidx = nl80211_create_iface(priv, ifname, NL80211_IFTYPE_AP, bssid, 0);
if (ifidx < 0) {
os_free(bss);
return -1;
@@ -4264,7 +4266,7 @@ static int i802_if_add(const char *iface
enum hostapd_driver_if_type type, char *ifname,
const u8 *addr)
{
- if (nl80211_create_iface(priv, ifname, i802_if_type(type), addr) < 0)
+ if (nl80211_create_iface(priv, ifname, i802_if_type(type), addr, 0) < 0)
return -1;
return 0;
}
@@ -4310,6 +4312,22 @@ static int i802_set_sta_vlan(void *priv,
return -ENOBUFS;
}
+static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ char name[16];
+
+ sprintf(name, "%s.sta%d", drv->ifname, aid);
+ if (val) {
+ if (nl80211_create_iface(priv, name, NL80211_IFTYPE_AP_VLAN, NULL, 1) < 0)
+ return -1;
+ hostapd_set_iface_flags(drv, name, 1);
+ return i802_set_sta_vlan(priv, addr, name, 0);
+ } else {
+ i802_set_sta_vlan(priv, addr, drv->ifname, 0);
+ return i802_if_remove(priv, HOSTAPD_IF_VLAN, name, NULL);
+ }
+}
static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
{
@@ -4536,5 +4554,6 @@ const struct wpa_driver_ops wpa_driver_n
.if_update = i802_if_update,
.if_remove = i802_if_remove,
.set_sta_vlan = i802_set_sta_vlan,
+ .set_wds_sta = i802_set_wds_sta,
#endif /* HOSTAPD */
};
--- a/hostapd/driver_i.h
+++ b/hostapd/driver_i.h
@@ -453,6 +453,14 @@ hostapd_set_sta_vlan(const char *ifname,
}
static inline int
+hostapd_set_wds_sta(struct hostapd_data *hapd, const u8 *addr, int aid, int val)
+{
+ if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
+ return 0;
+ return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val);
+}
+
+static inline int
hostapd_driver_commit(struct hostapd_data *hapd)
{
if (hapd->driver == NULL || hapd->driver->commit == NULL)
--- a/hostapd/drv_callbacks.c
+++ b/hostapd/drv_callbacks.c
@@ -167,6 +167,7 @@ static const u8 * get_hdr_bssid(const st
if (len < 24)
return NULL;
switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
+ case WLAN_FC_FROMDS|WLAN_FC_TODS:
case WLAN_FC_TODS:
return hdr->addr1;
case WLAN_FC_FROMDS:
@@ -213,6 +214,7 @@ void hostapd_rx_from_unknown_sta(struct
{
struct sta_info *sta;
const u8 *addr;
+ u16 fc = le_to_host16(hdr->frame_control);
hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
if (hapd == NULL || hapd == HAPD_BROADCAST)
@@ -231,6 +233,14 @@ void hostapd_rx_from_unknown_sta(struct
hostapd_sta_deauth(
hapd, addr,
WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
+ } else {
+ if (!sta->wds_sta) {
+ if ((fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
+ (WLAN_FC_TODS | WLAN_FC_FROMDS)) {
+ sta->wds_sta = 1;
+ hostapd_set_wds_sta(hapd, addr, sta->aid, 1);
+ }
+ }
}
}
--- a/hostapd/sta_info.c
+++ b/hostapd/sta_info.c
@@ -120,6 +120,7 @@ void ap_free_sta(struct hostapd_data *ha
accounting_sta_stop(hapd, sta);
+ hostapd_set_wds_sta(hapd, sta->addr, sta->aid, 0);
if (!ap_sta_in_other_bss(hapd, sta, WLAN_STA_ASSOC) &&
!(sta->flags & WLAN_STA_PREAUTH))
hostapd_sta_remove(hapd, sta->addr);
--- a/hostapd/sta_info.h
+++ b/hostapd/sta_info.h
@@ -78,6 +78,7 @@ struct sta_info {
struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */
int vlan_id;
+ int wds_sta;
#ifdef CONFIG_IEEE80211N
struct ht_cap_ie ht_capabilities; /* IEEE 802.11n capabilities */
--- a/src/common/nl80211_copy.h
+++ b/src/common/nl80211_copy.h
@@ -584,6 +584,8 @@ enum nl80211_commands {
* changed then the list changed and the dump should be repeated
* completely from scratch.
*
+ * @NL80211_ATTR_4ADDR: Use 4-address frames on a virtual interface
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -714,6 +716,8 @@ enum nl80211_attrs {
NL80211_ATTR_PID,
+ NL80211_ATTR_4ADDR,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
|
