static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
struct p2p_go_neg_results *res)
{
+ wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR,
+ MAC2STR(res->peer_interface_addr));
wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
res->ssid, res->ssid_len);
wpa_supplicant_ap_deinit(wpa_s);
wpas_copy_go_neg_results(wpa_s, res);
if (res->wps_method == WPS_PBC)
- wpas_wps_start_pbc(wpa_s, NULL /* res->peer_interface_addr */,
- 1);
+ wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1);
else {
u16 dev_pw_id = DEV_PW_DEFAULT;
if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
{
struct wpa_supplicant *wpa_s = ctx;
- wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie);
+ wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie, NULL);
if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
static void wpas_stop_listen(void *ctx)
{
struct wpa_supplicant *wpa_s = ctx;
- if (wpa_s->off_channel_freq) {
+ if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
wpa_drv_cancel_remain_on_channel(wpa_s);
wpa_s->off_channel_freq = 0;
wpa_s->roc_waiting_drv_freq = 0;
if (s) {
wpas_p2p_group_add_persistent(
wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0);
- } else {
+ } else if (bssid) {
wpas_p2p_join(wpa_s, bssid, go_dev_addr,
wpa_s->p2p_wps_method);
}
}
+static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
+ struct p2p_channels *chan)
+{
+ int i, cla = 0;
+
+ wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
+ "band");
+
+ /* Operating class 81 - 2.4 GHz band channels 1..13 */
+ chan->reg_class[cla].reg_class = 81;
+ chan->reg_class[cla].channels = 11;
+ for (i = 0; i < 11; i++)
+ chan->reg_class[cla].channel[i] = i + 1;
+ cla++;
+
+ wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
+ "band");
+
+ /* Operating class 115 - 5 GHz, channels 36-48 */
+ chan->reg_class[cla].reg_class = 115;
+ chan->reg_class[cla].channels = 4;
+ chan->reg_class[cla].channel[0] = 36;
+ chan->reg_class[cla].channel[1] = 40;
+ chan->reg_class[cla].channel[2] = 44;
+ chan->reg_class[cla].channel[3] = 48;
+ cla++;
+
+ wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
+ "band");
+
+ /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
+ chan->reg_class[cla].reg_class = 124;
+ chan->reg_class[cla].channels = 4;
+ chan->reg_class[cla].channel[0] = 149;
+ chan->reg_class[cla].channel[1] = 153;
+ chan->reg_class[cla].channel[2] = 157;
+ chan->reg_class[cla].channel[3] = 161;
+ cla++;
+
+ chan->reg_classes = cla;
+ return 0;
+}
+
+
+static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes,
+ u16 num_modes,
+ enum hostapd_hw_mode mode)
+{
+ u16 i;
+
+ for (i = 0; i < num_modes; i++) {
+ if (modes[i].mode == mode)
+ return &modes[i];
+ }
+
+ return NULL;
+}
+
+
+static int has_channel(struct hostapd_hw_modes *mode, u8 chan)
+{
+ int i;
+
+ for (i = 0; i < mode->num_channels; i++) {
+ if (mode->channels[i].chan == chan) {
+ return !(mode->channels[i].flag &
+ (HOSTAPD_CHAN_DISABLED |
+ HOSTAPD_CHAN_PASSIVE_SCAN |
+ HOSTAPD_CHAN_NO_IBSS |
+ HOSTAPD_CHAN_RADAR));
+ }
+ }
+
+ return 0;
+}
+
+
+struct p2p_oper_class_map {
+ enum hostapd_hw_mode mode;
+ u8 op_class;
+ u8 min_chan;
+ u8 max_chan;
+ u8 inc;
+};
+
static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
- struct p2p_config *p2p)
+ struct p2p_channels *chan)
{
- struct hostapd_hw_modes *modes;
+ struct hostapd_hw_modes *modes, *mode;
u16 num_modes, flags;
- int i, cla;
- int band24 = 0, band5_low = 0, band5_high = 0;
-
- /* TODO: more detailed selection of channels within reg_class based on
- * driver capabilities */
+ int cla, op;
+ struct p2p_oper_class_map op_class[] = {
+ { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1 },
+ { HOSTAPD_MODE_IEEE80211G, 82, 14, 14, 1 },
+ { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4 },
+ { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4 },
+#if 0 /* TODO: 40 MHz channels */
+ { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1 },
+ { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1 },
+ { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8 },
+ { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8 },
+ { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8 },
+ { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8 },
+#endif
+ { -1, 0, 0, 0, 0 }
+ };
modes = wpa_drv_get_hw_feature_data(wpa_s, &num_modes, &flags);
if (modes == NULL) {
wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
"of all supported channels; assume dualband "
"support");
- band24 = band5_low = band5_high = 1;
- } else {
- for (i = 0; i < num_modes; i++) {
- struct hostapd_hw_modes *mode;
- mode = &modes[i];
- if (mode->mode == HOSTAPD_MODE_IEEE80211G) {
- band24 = 1;
- } else if (mode->mode == HOSTAPD_MODE_IEEE80211A) {
- int j;
- for (j = 0; j < mode->num_channels; j++) {
- struct hostapd_channel_data *ch;
- ch = &mode->channels[j];
- if (ch->chan == 36)
- band5_low = 1;
- else if (ch->chan == 157)
- band5_high = 1;
- }
- }
- }
+ return wpas_p2p_default_channels(wpa_s, chan);
}
cla = 0;
- if (band24) {
- wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for "
- "2.4 GHz band");
-
- /* Operating class 81 - 2.4 GHz band channels 1..13 */
- p2p->channels.reg_class[cla].reg_class = 81;
-#if 0
- p2p->channels.reg_class[cla].channels = 13;
- for (i = 0; i < 13; i++)
- p2p->channels.reg_class[cla].channel[i] = i + 1;
-#else
- p2p->channels.reg_class[cla].channels = 11;
- for (i = 0; i < 11; i++)
- p2p->channels.reg_class[cla].channel[i] = i + 1;
-#endif
- cla++;
-
-#if 0
- /* Operating class 82 - 2.4 GHz band channel 14 */
- p2p->channels.reg_class[cla].reg_class = 82;
- p2p->channels.reg_class[cla].channels = 1;
- p2p->channels.reg_class[cla].channel[0] = 14;
- cla++;
-#endif
+ for (op = 0; op_class[op].op_class; op++) {
+ struct p2p_oper_class_map *o = &op_class[op];
+ u8 ch;
+ struct p2p_reg_class *reg = NULL;
-#if 0
- /* Operating class 83 - 2.4 GHz band channels 1..9; 40 MHz */
- p2p->channels.reg_class[cla].reg_class = 83;
- p2p->channels.reg_class[cla].channels = 9;
- for (i = 0; i < 9; i++)
- p2p->channels.reg_class[cla].channel[i] = i + 1;
- cla++;
-
- /* Operating class 84 - 2.4 GHz band channels 5..13; 40 MHz */
- p2p->channels.reg_class[cla].reg_class = 84;
- p2p->channels.reg_class[cla].channels = 9;
- for (i = 0; i < 9; i++)
- p2p->channels.reg_class[cla].channel[i] = i + 5;
- cla++;
-#endif
- }
-
- if (band5_low) {
- wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for "
- "lower 5 GHz band");
-
- /* Operating class 115 - 5 GHz, channels 36-48 */
- p2p->channels.reg_class[cla].reg_class = 115;
- p2p->channels.reg_class[cla].channels = 4;
- p2p->channels.reg_class[cla].channel[0] = 36;
- p2p->channels.reg_class[cla].channel[1] = 40;
- p2p->channels.reg_class[cla].channel[2] = 44;
- p2p->channels.reg_class[cla].channel[3] = 48;
- cla++;
-
-#if 0
- /* Operating class 116 - 5 GHz, channels 36,44; 40 MHz */
- p2p->channels.reg_class[cla].reg_class = 116;
- p2p->channels.reg_class[cla].channels = 2;
- p2p->channels.reg_class[cla].channel[0] = 36;
- p2p->channels.reg_class[cla].channel[1] = 44;
- cla++;
-
- /* Operating class 117 - 5 GHz, channels 40,48; 40 MHz */
- p2p->channels.reg_class[cla].reg_class = 117;
- p2p->channels.reg_class[cla].channels = 2;
- p2p->channels.reg_class[cla].channel[0] = 40;
- p2p->channels.reg_class[cla].channel[1] = 48;
- cla++;
-#endif
- }
-
- if (band5_high) {
- wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for "
- "higher 5 GHz band");
-
- /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
- p2p->channels.reg_class[cla].reg_class = 124;
- p2p->channels.reg_class[cla].channels = 4;
- p2p->channels.reg_class[cla].channel[0] = 149;
- p2p->channels.reg_class[cla].channel[1] = 153;
- p2p->channels.reg_class[cla].channel[2] = 157;
- p2p->channels.reg_class[cla].channel[3] = 161;
- cla++;
-
-#if 0
- /* Operating class 126 - 5 GHz, channels 149,157; 40 MHz */
- p2p->channels.reg_class[cla].reg_class = 126;
- p2p->channels.reg_class[cla].channels = 2;
- p2p->channels.reg_class[cla].channel[0] = 149;
- p2p->channels.reg_class[cla].channel[1] = 157;
- cla++;
-
- /* Operating class 127 - 5 GHz, channels 153,161; 40 MHz */
- p2p->channels.reg_class[cla].reg_class = 127;
- p2p->channels.reg_class[cla].channels = 2;
- p2p->channels.reg_class[cla].channel[0] = 153;
- p2p->channels.reg_class[cla].channel[1] = 161;
- cla++;
-#endif
+ mode = get_mode(modes, num_modes, o->mode);
+ if (mode == NULL)
+ continue;
+ for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
+ if (!has_channel(mode, ch))
+ continue;
+ if (reg == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Add operating "
+ "class %u", o->op_class);
+ reg = &chan->reg_class[cla];
+ cla++;
+ reg->reg_class = o->op_class;
+ }
+ reg->channel[reg->channels] = ch;
+ reg->channels++;
+ }
+ if (reg) {
+ wpa_hexdump(MSG_DEBUG, "P2P: Channels",
+ reg->channel, reg->channels);
+ }
}
- p2p->channels.reg_classes = cla;
+ chan->reg_classes = cla;
- if (modes)
- ieee80211_sta_free_hw_features(modes, num_modes);
+ ieee80211_sta_free_hw_features(modes, num_modes);
return 0;
}
} else
os_memcpy(p2p.country, "US\x04", 3);
- if (wpas_p2p_setup_channels(wpa_s, &p2p)) {
+ if (wpas_p2p_setup_channels(wpa_s, &p2p.channels)) {
wpa_printf(MSG_ERROR, "P2P: Failed to configure supported "
"channel list");
return -1;
p2p.ssid_postfix_len);
}
+ p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
+
global->p2p = p2p_init(&p2p);
if (global->p2p == NULL)
return -1;
* initiating Group Owner negotiation
* @go_intent: GO Intent or -1 to use default
* @freq: Frequency for the group or 0 for auto-selection
- * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on failure
+ * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
+ * failure, -2 on failure due to channel not currently available,
+ * -3 if forced channel is not supported
*/
int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
const char *pin, enum p2p_wps_method wps_method,
int persistent_group, int join, int auth, int go_intent,
int freq)
{
- int force_freq = 0;
+ int force_freq = 0, oper_freq = 0;
u8 bssid[ETH_ALEN];
int ret = 0;
enum wpa_driver_if_type iftype;
return ret;
}
- if (freq > 0)
- force_freq = freq;
- else if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
- wpa_s->assoc_freq)
- force_freq = wpa_s->assoc_freq;
+ if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
+ wpa_s->assoc_freq)
+ oper_freq = wpa_s->assoc_freq;
else {
- force_freq = wpa_drv_shared_freq(wpa_s);
- if (force_freq < 0)
- force_freq = 0;
+ oper_freq = wpa_drv_shared_freq(wpa_s);
+ if (oper_freq < 0)
+ oper_freq = 0;
}
- if (force_freq > 0) {
+ if (freq > 0) {
+ if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
+ wpa_printf(MSG_DEBUG, "P2P: The forced channel "
+ "(%u MHz) is not supported for P2P uses",
+ freq);
+ return -3;
+ }
+
+ if (oper_freq > 0 && freq != oper_freq &&
+ !(wpa_s->drv_flags &
+ WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
+ wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
+ "on %u MHz while connected on another "
+ "channel (%u MHz)", freq, oper_freq);
+ return -2;
+ }
+ wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
+ "requested channel (%u MHz)", freq);
+ force_freq = freq;
+ } else if (oper_freq > 0 &&
+ !p2p_supported_freq(wpa_s->global->p2p, oper_freq)) {
+ if (!(wpa_s->drv_flags &
+ WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
+ wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
+ "while connected on non-P2P supported "
+ "channel (%u MHz)", oper_freq);
+ return -2;
+ }
+ wpa_printf(MSG_DEBUG, "P2P: Current operating channel "
+ "(%u MHz) not available for P2P - try to use "
+ "another channel", oper_freq);
+ force_freq = 0;
+ } else if (oper_freq > 0) {
wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
"channel we are already using (%u MHz) on another "
- "interface", force_freq);
+ "interface", oper_freq);
+ force_freq = oper_freq;
}
wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
{
struct p2p_go_neg_results params;
+ if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) {
+ wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
+ "(%u MHz) is not supported for P2P uses",
+ freq);
+ return -1;
+ }
+
wpas_p2p_init_go_params(wpa_s, ¶ms, freq);
p2p_go_params(wpa_s->global->p2p, ¶ms);
params.persistent_group = persistent_group;
os_strlen(wpa_s->conf->p2p_ssid_postfix) :
0);
}
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
+ p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
}