*/
#define P2P_MAX_JOIN_SCAN_ATTEMPTS 10
+#define P2P_AUTO_PD_SCAN_ATTEMPTS 5
+
#ifndef P2P_MAX_CLIENT_IDLE
/*
* How many seconds to try to reconnect to the GO when connection in P2P client
#define P2P_MAX_CLIENT_IDLE 10
#endif /* P2P_MAX_CLIENT_IDLE */
+#ifndef P2P_MAX_INITIAL_CONN_WAIT
+/*
+ * How many seconds to wait for initial 4-way handshake to get completed after
+ * WPS provisioning step.
+ */
+#define P2P_MAX_INITIAL_CONN_WAIT 10
+#endif /* P2P_MAX_INITIAL_CONN_WAIT */
+
+#ifndef P2P_CONCURRENT_SEARCH_DELAY
+#define P2P_CONCURRENT_SEARCH_DELAY 500
+#endif /* P2P_CONCURRENT_SEARCH_DELAY */
+
+enum p2p_group_removal_reason {
+ P2P_GROUP_REMOVAL_UNKNOWN,
+ P2P_GROUP_REMOVAL_SILENT,
+ P2P_GROUP_REMOVAL_FORMATION_FAILED,
+ P2P_GROUP_REMOVAL_REQUESTED,
+ P2P_GROUP_REMOVAL_IDLE_TIMEOUT,
+ P2P_GROUP_REMOVAL_UNAVAILABLE,
+ P2P_GROUP_REMOVAL_GO_ENDING_SESSION
+};
+
static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx);
static struct wpa_supplicant *
wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
int go);
static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s);
+static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq);
static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx);
static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
- const u8 *dev_addr, enum p2p_wps_method wps_method);
-static void wpas_p2p_pd_before_join_timeout(void *eloop_ctx,
- void *timeout_ctx);
+ const u8 *dev_addr, enum p2p_wps_method wps_method,
+ int auto_join);
static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s);
static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s);
static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx);
static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s);
+static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
+ void *timeout_ctx);
+static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
+ int group_added);
+static int wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s);
static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s,
for (i = 0; i < scan_res->num; i++) {
struct wpa_scan_res *bss = scan_res->res[i];
+ struct os_time time_tmp_age, entry_ts;
+ time_tmp_age.sec = bss->age / 1000;
+ time_tmp_age.usec = (bss->age % 1000) * 1000;
+ os_time_sub(&scan_res->fetch_time, &time_tmp_age, &entry_ts);
if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid,
- bss->freq, bss->level,
+ bss->freq, &entry_ts, bss->level,
(const u8 *) (bss + 1),
bss->ie_len) > 0)
break;
static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq,
unsigned int num_req_dev_types,
- const u8 *req_dev_types, const u8 *dev_id)
+ const u8 *req_dev_types, const u8 *dev_id, u16 pw_id)
{
struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_supplicant *ifs;
struct wpa_driver_scan_params params;
int ret;
struct wpabuf *wps_ie, *ies;
int social_channels[] = { 2412, 2437, 2462, 0, 0 };
size_t ielen;
- int was_in_p2p_scan;
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return -1;
+ for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
+ if (ifs->sta_scan_pending &&
+ wpas_p2p_in_progress(wpa_s) == 2) {
+ wpa_printf(MSG_DEBUG, "Delaying P2P scan to allow "
+ "pending station mode scan to be "
+ "completed on interface %s", ifs->ifname);
+ wpa_s->global->p2p_cb_on_scan_complete = 1;
+ wpa_supplicant_req_scan(ifs, 0, 0);
+ return 1;
+ }
+ }
+
os_memset(¶ms, 0, sizeof(params));
/* P2P Wildcard SSID */
params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
wpa_s->wps->dev.p2p = 1;
- wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid,
- WPS_REQ_ENROLLEE,
+ wps_ie = wps_build_probe_req_ie(pw_id, &wpa_s->wps->dev,
+ wpa_s->wps->uuid, WPS_REQ_ENROLLEE,
num_req_dev_types, req_dev_types);
if (wps_ie == NULL)
return -1;
break;
case P2P_SCAN_FULL:
break;
- case P2P_SCAN_SPECIFIC:
- social_channels[0] = freq;
- social_channels[1] = 0;
- params.freqs = social_channels;
- break;
case P2P_SCAN_SOCIAL_PLUS_ONE:
social_channels[3] = freq;
params.freqs = social_channels;
break;
}
- was_in_p2p_scan = wpa_s->scan_res_handler == wpas_p2p_scan_res_handler;
- wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
ret = wpa_drv_scan(wpa_s, ¶ms);
wpabuf_free(ies);
if (ret) {
- wpa_s->scan_res_handler = NULL;
- if (wpa_s->scanning || was_in_p2p_scan) {
- wpa_s->p2p_cb_on_scan_complete = 1;
- ret = 1;
+ for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
+ if (ifs->scanning ||
+ ifs->scan_res_handler == wpas_p2p_scan_res_handler) {
+ wpa_s->global->p2p_cb_on_scan_complete = 1;
+ ret = 1;
+ break;
+ }
}
- }
+ } else
+ wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
return ret;
}
}
-static void wpas_p2p_group_delete(struct wpa_supplicant *wpa_s)
+static int wpas_p2p_group_delete(struct wpa_supplicant *wpa_s,
+ enum p2p_group_removal_reason removal_reason)
{
struct wpa_ssid *ssid;
char *gtype;
if (ssid == NULL) {
/*
* The current SSID was not known, but there may still be a
- * pending P2P group interface waiting for provisioning.
+ * pending P2P group interface waiting for provisioning or a
+ * P2P group that is trying to reconnect.
*/
ssid = wpa_s->conf->ssid;
while (ssid) {
- if (ssid->p2p_group &&
- (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
- (ssid->key_mgmt & WPA_KEY_MGMT_WPS)))
+ if (ssid->p2p_group && ssid->disabled != 2)
break;
ssid = ssid->next;
}
+ if (ssid == NULL &&
+ wpa_s->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)
+ {
+ wpa_printf(MSG_ERROR, "P2P: P2P group interface "
+ "not found");
+ return -1;
+ }
}
if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO)
gtype = "GO";
P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
wpa_s->ifname, wpa_s->cross_connect_uplink);
}
- switch (wpa_s->removal_reason) {
+ switch (removal_reason) {
case P2P_GROUP_REMOVAL_REQUESTED:
reason = " reason=REQUESTED";
break;
+ case P2P_GROUP_REMOVAL_FORMATION_FAILED:
+ reason = " reason=FORMATION_FAILED";
+ break;
case P2P_GROUP_REMOVAL_IDLE_TIMEOUT:
reason = " reason=IDLE";
break;
case P2P_GROUP_REMOVAL_UNAVAILABLE:
reason = " reason=UNAVAILABLE";
break;
+ case P2P_GROUP_REMOVAL_GO_ENDING_SESSION:
+ reason = " reason=GO_ENDING_SESSION";
+ break;
default:
reason = "";
break;
}
- wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_REMOVED "%s %s%s",
- wpa_s->ifname, gtype, reason);
+ if (removal_reason != P2P_GROUP_REMOVAL_SILENT) {
+ wpa_msg(wpa_s->parent, MSG_INFO,
+ P2P_EVENT_GROUP_REMOVED "%s %s%s",
+ wpa_s->ifname, gtype, reason);
+ }
- eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
+ if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
+ wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
+ if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
+ wpa_s->parent, NULL) > 0)
+ wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group formation "
+ "timeout");
- if (ssid)
+ if (removal_reason != P2P_GROUP_REMOVAL_SILENT && ssid)
wpas_notify_p2p_group_removed(wpa_s, ssid, gtype);
if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
if (wpa_s && ifname)
wpa_drv_if_remove(wpa_s, type, ifname);
os_free(ifname);
- return;
+ return 1;
}
wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network");
wpa_config_remove_network(wpa_s->conf, id);
wpa_supplicant_clear_status(wpa_s);
wpa_supplicant_cancel_sched_scan(wpa_s);
+ wpa_s->sta_scan_pending = 0;
} else {
wpa_printf(MSG_DEBUG, "P2P: Temporary group network not "
"found");
}
- wpa_supplicant_ap_deinit(wpa_s);
+ if (wpa_s->ap_iface)
+ wpa_supplicant_ap_deinit(wpa_s);
+ else
+ wpa_drv_deinit_p2p_cli(wpa_s);
+
+ return 0;
}
struct wpa_ssid *ssid, *s;
u8 *n;
size_t i;
+ int found = 0;
ssid = wpa_s->current_ssid;
if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
for (i = 0; s->p2p_client_list && i < s->num_p2p_clients; i++) {
if (os_memcmp(s->p2p_client_list + i * ETH_ALEN, addr,
- ETH_ALEN) == 0)
- return; /* already in list */
+ ETH_ALEN) != 0)
+ continue;
+
+ if (i == s->num_p2p_clients - 1)
+ return; /* already the most recent entry */
+
+ /* move the entry to mark it most recent */
+ os_memmove(s->p2p_client_list + i * ETH_ALEN,
+ s->p2p_client_list + (i + 1) * ETH_ALEN,
+ (s->num_p2p_clients - i - 1) * ETH_ALEN);
+ os_memcpy(s->p2p_client_list +
+ (s->num_p2p_clients - 1) * ETH_ALEN, addr, ETH_ALEN);
+ found = 1;
+ break;
}
- n = os_realloc(s->p2p_client_list,
- (s->num_p2p_clients + 1) * ETH_ALEN);
- if (n == NULL)
- return;
- os_memcpy(n + s->num_p2p_clients * ETH_ALEN, addr, ETH_ALEN);
- s->p2p_client_list = n;
- s->num_p2p_clients++;
+ if (!found && s->num_p2p_clients < P2P_MAX_STORED_CLIENTS) {
+ n = os_realloc_array(s->p2p_client_list,
+ s->num_p2p_clients + 1, ETH_ALEN);
+ if (n == NULL)
+ return;
+ os_memcpy(n + s->num_p2p_clients * ETH_ALEN, addr, ETH_ALEN);
+ s->p2p_client_list = n;
+ s->num_p2p_clients++;
+ } else if (!found) {
+ /* Not enough room for an additional entry - drop the oldest
+ * entry */
+ os_memmove(s->p2p_client_list,
+ s->p2p_client_list + ETH_ALEN,
+ (s->num_p2p_clients - 1) * ETH_ALEN);
+ os_memcpy(s->p2p_client_list +
+ (s->num_p2p_clients - 1) * ETH_ALEN,
+ addr, ETH_ALEN);
+ }
#ifndef CONFIG_NO_CONFIG_WRITE
if (wpa_s->parent->conf->update_config &&
if (!success) {
wpa_msg(wpa_s->parent, MSG_INFO,
P2P_EVENT_GROUP_FORMATION_FAILURE);
- wpas_p2p_group_delete(wpa_s);
+ wpas_p2p_group_delete(wpa_s,
+ P2P_GROUP_REMOVAL_FORMATION_FAILED);
return;
}
if (result != OFFCHANNEL_SEND_ACTION_SUCCESS &&
wpa_s->pending_pd_before_join &&
(os_memcmp(dst, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
- os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
+ os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0) &&
+ wpa_s->p2p_fallback_to_go_neg) {
wpa_s->pending_pd_before_join = 0;
- wpa_printf(MSG_DEBUG, "P2P: Starting pending "
- "join-existing-group operation (no ACK for PD "
- "Req)");
- wpas_p2p_join_start(wpa_s);
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No ACK for PD Req "
+ "during p2p_connect-auto");
+ wpas_p2p_fallback_to_go_neg(wpa_s, 0);
+ return;
}
}
wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning");
if (wpa_s->global->p2p_group_formation == wpa_s)
wpa_s->global->p2p_group_formation = NULL;
- wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
- "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
- "go_dev_addr=" MACSTR "%s",
- wpa_s->ifname,
- wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
- ssid->frequency,
- params->passphrase ? params->passphrase : "",
- MAC2STR(wpa_s->global->p2p_dev_addr),
- params->persistent_group ? " [PERSISTENT]" : "");
+ if (os_strlen(params->passphrase) > 0) {
+ wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
+ "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
+ "go_dev_addr=" MACSTR "%s", wpa_s->ifname,
+ wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
+ ssid->frequency, params->passphrase,
+ MAC2STR(wpa_s->global->p2p_dev_addr),
+ params->persistent_group ? " [PERSISTENT]" :
+ "");
+ } else {
+ char psk[65];
+ wpa_snprintf_hex(psk, sizeof(psk), params->psk,
+ sizeof(params->psk));
+ wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
+ "%s GO ssid=\"%s\" freq=%d psk=%s "
+ "go_dev_addr=" MACSTR "%s", wpa_s->ifname,
+ wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
+ ssid->frequency, psk,
+ MAC2STR(wpa_s->global->p2p_dev_addr),
+ params->persistent_group ? " [PERSISTENT]" :
+ "");
+ }
if (params->persistent_group)
network_id = wpas_p2p_store_persistent_group(
params->peer_device_addr);
else if (wpa_s->p2p_pin[0])
wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
- wpa_s->p2p_pin, NULL, 0);
+ wpa_s->p2p_pin, NULL, 0, 0);
os_free(wpa_s->go_params);
wpa_s->go_params = NULL;
}
{
struct wpa_ssid *ssid;
- if (wpas_copy_go_neg_results(wpa_s, params) < 0)
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Starting GO");
+ if (wpas_copy_go_neg_results(wpa_s, params) < 0) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not copy GO Negotiation "
+ "results");
return;
+ }
ssid = wpa_config_add_network(wpa_s->conf);
- if (ssid == NULL)
+ if (ssid == NULL) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not add network for GO");
return;
+ }
wpa_s->show_group_started = 0;
ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
WPAS_MODE_P2P_GO;
ssid->frequency = params->freq;
+ ssid->ht40 = params->ht40;
ssid->ssid = os_zalloc(params->ssid_len + 1);
if (ssid->ssid) {
os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
ssid->key_mgmt = WPA_KEY_MGMT_PSK;
ssid->proto = WPA_PROTO_RSN;
ssid->pairwise_cipher = WPA_CIPHER_CCMP;
- ssid->passphrase = os_strdup(params->passphrase);
+ if (os_strlen(params->passphrase) > 0) {
+ ssid->passphrase = os_strdup(params->passphrase);
+ if (ssid->passphrase == NULL) {
+ wpa_msg(wpa_s, MSG_ERROR, "P2P: Failed to copy "
+ "passphrase for GO");
+ wpa_config_remove_network(wpa_s->conf, ssid->id);
+ return;
+ }
+ } else
+ ssid->passphrase = NULL;
+ ssid->psk_set = params->psk_set;
+ if (ssid->psk_set)
+ os_memcpy(ssid->psk, params->psk, sizeof(ssid->psk));
+ else if (ssid->passphrase)
+ wpa_config_update_psk(ssid);
+ ssid->ap_max_inactivity = wpa_s->parent->conf->p2p_go_max_inactivity;
wpa_s->ap_configured_cb = p2p_go_configured;
wpa_s->ap_configured_cb_ctx = wpa_s;
wpa_s->connect_without_scan = ssid;
wpa_s->reassociate = 1;
wpa_s->disconnected = 0;
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Request scan (that will be skipped) to "
+ "start GO)");
wpa_supplicant_req_scan(wpa_s, 0, 0);
}
d->p2p_group_idle = s->p2p_group_idle;
d->p2p_intra_bss = s->p2p_intra_bss;
d->persistent_reconnect = s->persistent_reconnect;
+ d->max_num_sta = s->max_num_sta;
+ d->pbc_in_m1 = s->pbc_in_m1;
}
return;
}
+ if (wpa_s->p2p_go_ht40)
+ res->ht40 = 1;
+
wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS);
wpas_notify_p2p_go_neg_completed(wpa_s, res);
+ if (res->role_go && wpa_s->p2p_persistent_id >= 0) {
+ struct wpa_ssid *ssid;
+ ssid = wpa_config_get_network(wpa_s->conf,
+ wpa_s->p2p_persistent_id);
+ if (ssid && ssid->disabled == 2 &&
+ ssid->mode == WPAS_MODE_P2P_GO && ssid->passphrase) {
+ size_t len = os_strlen(ssid->passphrase);
+ wpa_printf(MSG_DEBUG, "P2P: Override passphrase based "
+ "on requested persistent group");
+ os_memcpy(res->passphrase, ssid->passphrase, len);
+ res->passphrase[len] = '\0';
+ }
+ }
+
if (wpa_s->create_p2p_iface) {
struct wpa_supplicant *group_wpa_s =
wpas_p2p_init_group_interface(wpa_s, res->role_go);
}
+/*
+ * DNS Header section is used only to calculate compression pointers, so the
+ * contents of this data does not matter, but the length needs to be reserved
+ * in the virtual packet.
+ */
+#define DNS_HEADER_LEN 12
+
+/*
+ * 27-octet in-memory packet from P2P specification containing two implied
+ * queries for _tcp.lcoal. PTR IN and _udp.local. PTR IN
+ */
+#define P2P_SD_IN_MEMORY_LEN 27
+
+static int p2p_sd_dns_uncompress_label(char **upos, char *uend, u8 *start,
+ u8 **spos, const u8 *end)
+{
+ while (*spos < end) {
+ u8 val = ((*spos)[0] & 0xc0) >> 6;
+ int len;
+
+ if (val == 1 || val == 2) {
+ /* These are reserved values in RFC 1035 */
+ wpa_printf(MSG_DEBUG, "P2P: Invalid domain name "
+ "sequence starting with 0x%x", val);
+ return -1;
+ }
+
+ if (val == 3) {
+ u16 offset;
+ u8 *spos_tmp;
+
+ /* Offset */
+ if (*spos + 2 > end) {
+ wpa_printf(MSG_DEBUG, "P2P: No room for full "
+ "DNS offset field");
+ return -1;
+ }
+
+ offset = (((*spos)[0] & 0x3f) << 8) | (*spos)[1];
+ if (offset >= *spos - start) {
+ wpa_printf(MSG_DEBUG, "P2P: Invalid DNS "
+ "pointer offset %u", offset);
+ return -1;
+ }
+
+ (*spos) += 2;
+ spos_tmp = start + offset;
+ return p2p_sd_dns_uncompress_label(upos, uend, start,
+ &spos_tmp,
+ *spos - 2);
+ }
+
+ /* Label */
+ len = (*spos)[0] & 0x3f;
+ if (len == 0)
+ return 0;
+
+ (*spos)++;
+ if (*spos + len > end) {
+ wpa_printf(MSG_DEBUG, "P2P: Invalid domain name "
+ "sequence - no room for label with length "
+ "%u", len);
+ return -1;
+ }
+
+ if (*upos + len + 2 > uend)
+ return -2;
+
+ os_memcpy(*upos, *spos, len);
+ *spos += len;
+ *upos += len;
+ (*upos)[0] = '.';
+ (*upos)++;
+ (*upos)[0] = '\0';
+ }
+
+ return 0;
+}
+
+
+/* Uncompress domain names per RFC 1035 using the P2P SD in-memory packet.
+ * Returns -1 on parsing error (invalid input sequence), -2 if output buffer is
+ * not large enough */
+static int p2p_sd_dns_uncompress(char *buf, size_t buf_len, const u8 *msg,
+ size_t msg_len, size_t offset)
+{
+ /* 27-octet in-memory packet from P2P specification */
+ const char *prefix = "\x04_tcp\x05local\x00\x00\x0C\x00\x01"
+ "\x04_udp\xC0\x11\x00\x0C\x00\x01";
+ u8 *tmp, *end, *spos;
+ char *upos, *uend;
+ int ret = 0;
+
+ if (buf_len < 2)
+ return -1;
+ if (offset > msg_len)
+ return -1;
+
+ tmp = os_malloc(DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN + msg_len);
+ if (tmp == NULL)
+ return -1;
+ spos = tmp + DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN;
+ end = spos + msg_len;
+ spos += offset;
+
+ os_memset(tmp, 0, DNS_HEADER_LEN);
+ os_memcpy(tmp + DNS_HEADER_LEN, prefix, P2P_SD_IN_MEMORY_LEN);
+ os_memcpy(tmp + DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN, msg, msg_len);
+
+ upos = buf;
+ uend = buf + buf_len;
+
+ ret = p2p_sd_dns_uncompress_label(&upos, uend, tmp, &spos, end);
+ if (ret) {
+ os_free(tmp);
+ return ret;
+ }
+
+ if (upos == buf) {
+ upos[0] = '.';
+ upos[1] = '\0';
+ } else if (upos[-1] == '.')
+ upos[-1] = '\0';
+
+ os_free(tmp);
+ return 0;
+}
+
+
static struct p2p_srv_bonjour *
wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s,
const struct wpabuf *query)
}
+static int match_bonjour_query(struct p2p_srv_bonjour *bsrv, const u8 *query,
+ size_t query_len)
+{
+ char str_rx[256], str_srv[256];
+
+ if (query_len < 3 || wpabuf_len(bsrv->query) < 3)
+ return 0; /* Too short to include DNS Type and Version */
+ if (os_memcmp(query + query_len - 3,
+ wpabuf_head_u8(bsrv->query) + wpabuf_len(bsrv->query) - 3,
+ 3) != 0)
+ return 0; /* Mismatch in DNS Type or Version */
+ if (query_len == wpabuf_len(bsrv->query) &&
+ os_memcmp(query, wpabuf_head(bsrv->query), query_len - 3) == 0)
+ return 1; /* Binary match */
+
+ if (p2p_sd_dns_uncompress(str_rx, sizeof(str_rx), query, query_len - 3,
+ 0))
+ return 0; /* Failed to uncompress query */
+ if (p2p_sd_dns_uncompress(str_srv, sizeof(str_srv),
+ wpabuf_head(bsrv->query),
+ wpabuf_len(bsrv->query) - 3, 0))
+ return 0; /* Failed to uncompress service */
+
+ return os_strcmp(str_rx, str_srv) == 0;
+}
+
+
static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s,
struct wpabuf *resp, u8 srv_trans_id,
const u8 *query, size_t query_len)
{
struct p2p_srv_bonjour *bsrv;
- struct wpabuf buf;
u8 *len_pos;
+ int matches = 0;
wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour",
query, query_len);
return;
}
- if (wpabuf_tailroom(resp) < 5)
- return;
- /* Length (to be filled) */
- len_pos = wpabuf_put(resp, 2);
- wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
- wpabuf_put_u8(resp, srv_trans_id);
+ dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
+ struct p2p_srv_bonjour, list) {
+ if (!match_bonjour_query(bsrv, query, query_len))
+ continue;
+
+ if (wpabuf_tailroom(resp) <
+ 5 + query_len + wpabuf_len(bsrv->resp))
+ return;
+
+ matches++;
+
+ /* Length (to be filled) */
+ len_pos = wpabuf_put(resp, 2);
+ wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
+ wpabuf_put_u8(resp, srv_trans_id);
+
+ /* Status Code */
+ wpabuf_put_u8(resp, P2P_SD_SUCCESS);
+ wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
+ wpabuf_head(bsrv->resp),
+ wpabuf_len(bsrv->resp));
+
+ /* Response Data */
+ wpabuf_put_data(resp, query, query_len); /* Key */
+ wpabuf_put_buf(resp, bsrv->resp); /* Value */
- wpabuf_set(&buf, query, query_len);
- bsrv = wpas_p2p_service_get_bonjour(wpa_s, &buf);
- if (bsrv == NULL) {
+ WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
+ }
+
+ if (matches == 0) {
wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not "
"available");
+ if (wpabuf_tailroom(resp) < 5)
+ return;
+
+ /* Length (to be filled) */
+ len_pos = wpabuf_put(resp, 2);
+ wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
+ wpabuf_put_u8(resp, srv_trans_id);
/* Status Code */
wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
/* Response Data: empty */
WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
2);
- return;
- }
-
- /* Status Code */
- wpabuf_put_u8(resp, P2P_SD_SUCCESS);
- wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
- wpabuf_head(bsrv->resp), wpabuf_len(bsrv->resp));
-
- if (wpabuf_tailroom(resp) >=
- wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) {
- /* Response Data */
- wpabuf_put_buf(resp, bsrv->query); /* Key */
- wpabuf_put_buf(resp, bsrv->resp); /* Value */
}
- WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
}
}
+#ifdef CONFIG_WIFI_DISPLAY
+static void wpas_sd_req_wfd(struct wpa_supplicant *wpa_s,
+ struct wpabuf *resp, u8 srv_trans_id,
+ const u8 *query, size_t query_len)
+{
+ const u8 *pos;
+ u8 role;
+ u8 *len_pos;
+
+ wpa_hexdump(MSG_DEBUG, "P2P: SD Request for WFD", query, query_len);
+
+ if (!wpa_s->global->wifi_display) {
+ wpa_printf(MSG_DEBUG, "P2P: WFD protocol not available");
+ wpas_sd_add_proto_not_avail(resp, P2P_SERV_WIFI_DISPLAY,
+ srv_trans_id);
+ return;
+ }
+
+ if (query_len < 1) {
+ wpa_printf(MSG_DEBUG, "P2P: Missing WFD Requested Device "
+ "Role");
+ return;
+ }
+
+ if (wpabuf_tailroom(resp) < 5)
+ return;
+
+ pos = query;
+ role = *pos++;
+ wpa_printf(MSG_DEBUG, "P2P: WSD for device role 0x%x", role);
+
+ /* TODO: role specific handling */
+
+ /* Length (to be filled) */
+ len_pos = wpabuf_put(resp, 2);
+ wpabuf_put_u8(resp, P2P_SERV_WIFI_DISPLAY);
+ wpabuf_put_u8(resp, srv_trans_id);
+ wpabuf_put_u8(resp, P2P_SD_SUCCESS); /* Status Code */
+
+ while (pos < query + query_len) {
+ if (*pos < MAX_WFD_SUBELEMS &&
+ wpa_s->global->wfd_subelem[*pos] &&
+ wpabuf_tailroom(resp) >=
+ wpabuf_len(wpa_s->global->wfd_subelem[*pos])) {
+ wpa_printf(MSG_DEBUG, "P2P: Add WSD response "
+ "subelement %u", *pos);
+ wpabuf_put_buf(resp, wpa_s->global->wfd_subelem[*pos]);
+ }
+ pos++;
+ }
+
+ WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
+}
+#endif /* CONFIG_WIFI_DISPLAY */
+
+
void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token,
u16 update_indic, const u8 *tlvs, size_t tlvs_len)
{
wpas_sd_req_upnp(wpa_s, resp, srv_trans_id,
pos, tlv_end - pos);
break;
+#ifdef CONFIG_WIFI_DISPLAY
+ case P2P_SERV_WIFI_DISPLAY:
+ wpas_sd_req_wfd(wpa_s, resp, srv_trans_id,
+ pos, tlv_end - pos);
+ break;
+#endif /* CONFIG_WIFI_DISPLAY */
default:
wpa_printf(MSG_DEBUG, "P2P: Unavailable service "
"protocol %u", srv_proto);
}
+#ifdef CONFIG_WIFI_DISPLAY
+
+static u64 wpas_p2p_sd_request_wfd(struct wpa_supplicant *wpa_s, const u8 *dst,
+ const struct wpabuf *tlvs)
+{
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
+ return 0;
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return 0;
+ return (uintptr_t) p2p_sd_request_wfd(wpa_s->global->p2p, dst, tlvs);
+}
+
+
+#define MAX_WFD_SD_SUBELEMS 20
+
+static void wfd_add_sd_req_role(struct wpabuf *tlvs, u8 id, u8 role,
+ const char *subelems)
+{
+ u8 *len;
+ const char *pos;
+ int val;
+ int count = 0;
+
+ len = wpabuf_put(tlvs, 2);
+ wpabuf_put_u8(tlvs, P2P_SERV_WIFI_DISPLAY); /* Service Protocol Type */
+ wpabuf_put_u8(tlvs, id); /* Service Transaction ID */
+
+ wpabuf_put_u8(tlvs, role);
+
+ pos = subelems;
+ while (*pos) {
+ val = atoi(pos);
+ if (val >= 0 && val < 256) {
+ wpabuf_put_u8(tlvs, val);
+ count++;
+ if (count == MAX_WFD_SD_SUBELEMS)
+ break;
+ }
+ pos = os_strchr(pos + 1, ',');
+ if (pos == NULL)
+ break;
+ pos++;
+ }
+
+ WPA_PUT_LE16(len, (u8 *) wpabuf_put(tlvs, 0) - len - 2);
+}
+
+
+u64 wpas_p2p_sd_request_wifi_display(struct wpa_supplicant *wpa_s,
+ const u8 *dst, const char *role)
+{
+ struct wpabuf *tlvs;
+ u64 ret;
+ const char *subelems;
+ u8 id = 1;
+
+ subelems = os_strchr(role, ' ');
+ if (subelems == NULL)
+ return 0;
+ subelems++;
+
+ tlvs = wpabuf_alloc(4 * (2 + 1 + 1 + 1 + MAX_WFD_SD_SUBELEMS));
+ if (tlvs == NULL)
+ return 0;
+
+ if (os_strstr(role, "[source]"))
+ wfd_add_sd_req_role(tlvs, id++, 0x00, subelems);
+ if (os_strstr(role, "[pri-sink]"))
+ wfd_add_sd_req_role(tlvs, id++, 0x01, subelems);
+ if (os_strstr(role, "[sec-sink]"))
+ wfd_add_sd_req_role(tlvs, id++, 0x02, subelems);
+ if (os_strstr(role, "[source+sink]"))
+ wfd_add_sd_req_role(tlvs, id++, 0x03, subelems);
+
+ ret = wpas_p2p_sd_request_wfd(wpa_s, dst, tlvs);
+ wpabuf_free(tlvs);
+ return ret;
+}
+
+#endif /* CONFIG_WIFI_DISPLAY */
+
+
int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, u64 req)
{
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
{
struct p2p_srv_bonjour *bsrv;
- bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
- if (bsrv) {
- wpabuf_free(query);
- wpabuf_free(bsrv->resp);
- bsrv->resp = resp;
- return 0;
- }
-
bsrv = os_zalloc(sizeof(*bsrv));
if (bsrv == NULL)
return -1;
{
struct wpa_supplicant *wpa_s = ctx;
unsigned int generated_pin = 0;
+ char params[20];
if (wpa_s->pending_pd_before_join &&
(os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
return;
}
+ if (wpa_s->pending_pd_use == AUTO_PD_JOIN ||
+ wpa_s->pending_pd_use == AUTO_PD_GO_NEG)
+ os_snprintf(params, sizeof(params), " peer_go=%d",
+ wpa_s->pending_pd_use == AUTO_PD_JOIN);
+ else
+ params[0] = '\0';
+
if (config_methods & WPS_CONFIG_DISPLAY)
- wpas_prov_disc_local_keypad(wpa_s, peer, "");
+ wpas_prov_disc_local_keypad(wpa_s, peer, params);
else if (config_methods & WPS_CONFIG_KEYPAD) {
generated_pin = wps_generate_pin();
- wpas_prov_disc_local_display(wpa_s, peer, "", generated_pin);
+ wpas_prov_disc_local_display(wpa_s, peer, params,
+ generated_pin);
} else if (config_methods & WPS_CONFIG_PUSHBUTTON)
- wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR,
- MAC2STR(peer));
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR
+ "%s", MAC2STR(peer), params);
wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
P2P_PROV_DISC_SUCCESS,
{
struct wpa_supplicant *wpa_s = ctx;
+ if (wpa_s->p2p_fallback_to_go_neg) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: PD for p2p_connect-auto "
+ "failed - fall back to GO Negotiation");
+ wpas_p2p_fallback_to_go_neg(wpa_s, 0);
+ return;
+ }
+
+ if (status == P2P_PROV_DISC_TIMEOUT_JOIN) {
+ wpa_s->pending_pd_before_join = 0;
+ wpa_printf(MSG_DEBUG, "P2P: Starting pending "
+ "join-existing-group operation (no ACK for PD "
+ "Req attempts)");
+ wpas_p2p_join_start(wpa_s);
+ return;
+ }
+
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
+ " p2p_dev_addr=" MACSTR " status=%d",
+ MAC2STR(peer), status);
+
wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
status, 0, 0);
}
" was accepted; op_freq=%d MHz",
MAC2STR(sa), op_freq);
if (s) {
+ int go = s->mode == WPAS_MODE_P2P_GO;
wpas_p2p_group_add_persistent(
- wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0);
+ wpa_s, s, go, go ? op_freq : 0, 0);
} else if (bssid) {
+ wpa_s->user_initiated_pd = 0;
wpas_p2p_join(wpa_s, bssid, go_dev_addr,
- wpa_s->p2p_wps_method);
+ wpa_s->p2p_wps_method, 0);
}
return;
}
return;
}
+ /*
+ * The peer could have missed our ctrl::ack frame for Invitation
+ * Response and continue retransmitting the frame. To reduce the
+ * likelihood of the peer not getting successful TX status for the
+ * Invitation Response frame, wait a short time here before starting
+ * the persistent group so that we will remain on the current channel to
+ * acknowledge any possible retransmission from the peer.
+ */
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: 50 ms wait on current channel before "
+ "starting persistent group");
+ os_sleep(0, 50000);
+
wpas_p2p_group_add_persistent(wpa_s, ssid,
- ssid->mode == WPAS_MODE_P2P_GO, 0);
+ ssid->mode == WPAS_MODE_P2P_GO,
+ wpa_s->p2p_persistent_go_freq,
+ wpa_s->p2p_go_ht40);
}
enum { BW20, BW40PLUS, BW40MINUS } bw;
};
-static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
- struct p2p_channels *chan)
-{
- struct hostapd_hw_modes *mode;
- int cla, op;
- struct p2p_oper_class_map op_class[] = {
- { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 },
- { HOSTAPD_MODE_IEEE80211G, 82, 14, 14, 1, BW20 },
+static struct p2p_oper_class_map op_class[] = {
+ { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 },
#if 0 /* Do not enable HT40 on 2 GHz for now */
- { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS },
- { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS },
+ { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS },
+ { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS },
#endif
- { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 },
- { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 },
- { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS },
- { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS },
- { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS },
- { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS },
- { -1, 0, 0, 0, 0, BW20 }
- };
+ { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 },
+ { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 },
+ { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS },
+ { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS },
+ { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS },
+ { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS },
+ { -1, 0, 0, 0, 0, BW20 }
+};
+
+
+static int wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s,
+ struct hostapd_hw_modes *mode,
+ u8 channel, u8 bw)
+{
+ int flag;
+
+ if (!has_channel(wpa_s->global, mode, channel, &flag))
+ return -1;
+ if (bw == BW40MINUS &&
+ (!(flag & HOSTAPD_CHAN_HT40MINUS) ||
+ !has_channel(wpa_s->global, mode, channel - 4, NULL)))
+ return 0;
+ if (bw == BW40PLUS &&
+ (!(flag & HOSTAPD_CHAN_HT40PLUS) ||
+ !has_channel(wpa_s->global, mode, channel + 4, NULL)))
+ return 0;
+ return 1;
+}
+
+
+static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
+ struct p2p_channels *chan)
+{
+ struct hostapd_hw_modes *mode;
+ int cla, op;
if (wpa_s->hw.modes == NULL) {
wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
if (mode == NULL)
continue;
for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
- int flag;
- if (!has_channel(wpa_s->global, mode, ch, &flag))
- continue;
- if (o->bw == BW40MINUS &&
- (!(flag & HOSTAPD_CHAN_HT40MINUS) ||
- !has_channel(wpa_s->global, mode, ch - 4, NULL)))
- continue;
- if (o->bw == BW40PLUS &&
- (!(flag & HOSTAPD_CHAN_HT40PLUS) ||
- !has_channel(wpa_s->global, mode, ch + 4, NULL)))
+ if (wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw) < 1)
continue;
if (reg == NULL) {
wpa_printf(MSG_DEBUG, "P2P: Add operating "
}
+int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s,
+ struct hostapd_hw_modes *mode, u8 channel)
+{
+ int op, ret;
+
+ for (op = 0; op_class[op].op_class; op++) {
+ struct p2p_oper_class_map *o = &op_class[op];
+ u8 ch;
+
+ for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
+ if (o->mode != HOSTAPD_MODE_IEEE80211A ||
+ o->bw == BW20 || ch != channel)
+ continue;
+ ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
+ if (ret < 0)
+ continue;
+ else if (ret > 0)
+ return (o->bw == BW40MINUS) ? -1 : 1;
+ else
+ return 0;
+ }
+ }
+ return 0;
+}
+
+
static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
size_t buf_len)
{
p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
+ p2p.max_listen = wpa_s->max_remain_on_chan;
+
global->p2p = p2p_init(&p2p);
if (global->p2p == NULL)
return -1;
+ global->p2p_init_wpa_s = wpa_s;
for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
if (wpa_s->conf->wps_vendor_ext[i] == NULL)
/* Clear any stored provisioning info */
p2p_clear_provisioning_info(
wpa_s->global->p2p,
- wpa_s->go_params->peer_interface_addr);
+ wpa_s->go_params->peer_device_addr);
}
os_free(wpa_s->go_params);
wpa_s->go_params = NULL;
eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
- eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s, NULL);
wpa_s->p2p_long_listen = 0;
eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
void wpas_p2p_deinit_global(struct wpa_global *global)
{
struct wpa_supplicant *wpa_s, *tmp;
- char *ifname;
+
+ wpa_s = global->ifaces;
+ if (wpa_s)
+ wpas_p2p_service_flush(wpa_s);
if (global->p2p == NULL)
return;
/* Remove remaining P2P group interfaces */
- wpa_s = global->ifaces;
- if (wpa_s)
- wpas_p2p_service_flush(wpa_s);
while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
wpa_s = wpa_s->next;
while (wpa_s) {
- enum wpa_driver_if_type type;
tmp = global->ifaces;
while (tmp &&
(tmp == wpa_s ||
}
if (tmp == NULL)
break;
- ifname = os_strdup(tmp->ifname);
- type = wpas_p2p_if_type(tmp->p2p_group_interface);
- wpa_supplicant_remove_iface(global, tmp, 0);
- if (ifname)
- wpa_drv_if_remove(wpa_s, type, ifname);
- os_free(ifname);
+ /* Disconnect from the P2P group and deinit the interface */
+ wpas_p2p_disconnect(tmp);
}
/*
p2p_deinit(global->p2p);
global->p2p = NULL;
+ global->p2p_init_wpa_s = NULL;
}
static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
{
+ if (wpa_s->conf->p2p_no_group_iface)
+ return 0; /* separate interface disabled per configuration */
if (wpa_s->drv_flags &
(WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE |
WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P))
const u8 *peer_addr,
enum p2p_wps_method wps_method,
int go_intent, const u8 *own_interface_addr,
- unsigned int force_freq, int persistent_group)
+ unsigned int force_freq, int persistent_group,
+ struct wpa_ssid *ssid, unsigned int pref_freq)
{
if (persistent_group && wpa_s->conf->persistent_reconnect)
persistent_group = 2;
force_freq, persistent_group);
}
+ /*
+ * Increase GO config timeout if HT40 is used since it takes some time
+ * to scan channels for coex purposes before the BSS can be started.
+ */
+ p2p_set_config_timeout(wpa_s->global->p2p,
+ wpa_s->p2p_go_ht40 ? 255 : 100, 20);
+
return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
go_intent, own_interface_addr, force_freq,
- persistent_group);
+ persistent_group, ssid ? ssid->ssid : NULL,
+ ssid ? ssid->ssid_len : 0,
+ wpa_s->p2p_pd_before_go_neg, pref_freq);
}
const u8 *peer_addr,
enum p2p_wps_method wps_method,
int go_intent, const u8 *own_interface_addr,
- unsigned int force_freq, int persistent_group)
+ unsigned int force_freq, int persistent_group,
+ struct wpa_ssid *ssid, unsigned int pref_freq)
{
if (persistent_group && wpa_s->conf->persistent_reconnect)
persistent_group = 2;
return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
go_intent, own_interface_addr, force_freq,
- persistent_group);
+ persistent_group, ssid ? ssid->ssid : NULL,
+ ssid ? ssid->ssid_len : 0, pref_freq);
}
" for join operationg - stop join attempt",
MAC2STR(wpa_s->pending_join_iface_addr));
eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
+ if (wpa_s->p2p_auto_pd) {
+ wpa_s->p2p_auto_pd = 0;
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
+ " p2p_dev_addr=" MACSTR " status=N/A",
+ MAC2STR(wpa_s->pending_join_dev_addr));
+ return;
+ }
wpa_msg(wpa_s->parent, MSG_INFO,
P2P_EVENT_GROUP_FORMATION_FAILURE);
}
}
-static void wpas_p2p_pd_before_join_timeout(void *eloop_ctx, void *timeout_ctx)
+static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq)
{
- struct wpa_supplicant *wpa_s = eloop_ctx;
- if (!wpa_s->pending_pd_before_join)
- return;
- /*
- * Provision Discovery Response may have been lost - try to connect
- * anyway since we do not need any information from this PD.
- */
- wpa_printf(MSG_DEBUG, "P2P: PD timeout for join-existing-group - "
- "try to connect anyway");
- wpas_p2p_join_start(wpa_s);
+ struct wpa_supplicant *iface;
+ int shared_freq;
+ u8 bssid[ETH_ALEN];
+
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)
+ return 0;
+
+ for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
+ if (!wpas_p2p_create_iface(wpa_s) && iface == wpa_s)
+ continue;
+ if (iface->current_ssid == NULL || iface->assoc_freq == 0)
+ continue;
+ if (iface->current_ssid->mode == WPAS_MODE_AP ||
+ iface->current_ssid->mode == WPAS_MODE_P2P_GO)
+ shared_freq = iface->current_ssid->frequency;
+ else if (wpa_drv_get_bssid(iface, bssid) == 0)
+ shared_freq = iface->assoc_freq;
+ else
+ shared_freq = 0;
+
+ if (shared_freq && freq != shared_freq) {
+ wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - %s "
+ "connected on %d MHz - new connection on "
+ "%d MHz", iface->ifname, shared_freq, freq);
+ return 1;
+ }
+ }
+
+ shared_freq = wpa_drv_shared_freq(wpa_s);
+ if (shared_freq > 0 && shared_freq != freq) {
+ wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - shared "
+ "virtual interface connected on %d MHz - new "
+ "connection on %d MHz", shared_freq, freq);
+ return 1;
+ }
+
+ return 0;
+}
+
+
+static int wpas_p2p_peer_go(struct wpa_supplicant *wpa_s,
+ const u8 *peer_dev_addr)
+{
+ struct wpa_bss *bss;
+ int updated;
+
+ bss = wpa_bss_get_p2p_dev_addr(wpa_s, peer_dev_addr);
+ if (bss == NULL)
+ return -1;
+ if (bss->last_update_idx < wpa_s->bss_update_idx) {
+ wpa_printf(MSG_DEBUG, "P2P: Peer BSS entry not updated in the "
+ "last scan");
+ return 0;
+ }
+
+ updated = os_time_before(&wpa_s->p2p_auto_started, &bss->last_update);
+ wpa_printf(MSG_DEBUG, "P2P: Current BSS entry for peer updated at "
+ "%ld.%06ld (%supdated in last scan)",
+ bss->last_update.sec, bss->last_update.usec,
+ updated ? "": "not ");
+
+ return updated;
}
if (wpa_s->global->p2p_disabled)
return;
- wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for join",
- scan_res ? (int) scan_res->num : -1);
+ wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for %sjoin",
+ scan_res ? (int) scan_res->num : -1,
+ wpa_s->p2p_auto_join ? "auto_" : "");
if (scan_res)
wpas_p2p_scan_res_handler(wpa_s, scan_res);
+ if (wpa_s->p2p_auto_pd) {
+ int join = wpas_p2p_peer_go(wpa_s,
+ wpa_s->pending_join_dev_addr);
+ if (join == 0 &&
+ wpa_s->auto_pd_scan_retry < P2P_AUTO_PD_SCAN_ATTEMPTS) {
+ wpa_s->auto_pd_scan_retry++;
+ bss = wpa_bss_get_bssid(wpa_s,
+ wpa_s->pending_join_dev_addr);
+ if (bss) {
+ freq = bss->freq;
+ wpa_printf(MSG_DEBUG, "P2P: Scan retry %d for "
+ "the peer " MACSTR " at %d MHz",
+ wpa_s->auto_pd_scan_retry,
+ MAC2STR(wpa_s->
+ pending_join_dev_addr),
+ freq);
+ wpas_p2p_join_scan_req(wpa_s, freq);
+ return;
+ }
+ }
+
+ if (join < 0)
+ join = 0;
+
+ wpa_s->p2p_auto_pd = 0;
+ wpa_s->pending_pd_use = join ? AUTO_PD_JOIN : AUTO_PD_GO_NEG;
+ wpa_printf(MSG_DEBUG, "P2P: Auto PD with " MACSTR " join=%d",
+ MAC2STR(wpa_s->pending_join_dev_addr), join);
+ if (p2p_prov_disc_req(wpa_s->global->p2p,
+ wpa_s->pending_join_dev_addr,
+ wpa_s->pending_pd_config_methods, join,
+ 0, wpa_s->user_initiated_pd) < 0) {
+ wpa_s->p2p_auto_pd = 0;
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
+ " p2p_dev_addr=" MACSTR " status=N/A",
+ MAC2STR(wpa_s->pending_join_dev_addr));
+ }
+ return;
+ }
+
+ if (wpa_s->p2p_auto_join) {
+ int join = wpas_p2p_peer_go(wpa_s,
+ wpa_s->pending_join_dev_addr);
+ if (join < 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be "
+ "running a GO -> use GO Negotiation");
+ wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr,
+ wpa_s->p2p_pin, wpa_s->p2p_wps_method,
+ wpa_s->p2p_persistent_group, 0, 0, 0,
+ wpa_s->p2p_go_intent,
+ wpa_s->p2p_connect_freq,
+ wpa_s->p2p_persistent_id,
+ wpa_s->p2p_pd_before_go_neg,
+ wpa_s->p2p_go_ht40);
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO%s -> "
+ "try to join the group", join ? "" :
+ " in older scan");
+ if (!join)
+ wpa_s->p2p_fallback_to_go_neg = 1;
+ }
+
freq = p2p_get_oper_freq(wpa_s->global->p2p,
wpa_s->pending_join_iface_addr);
if (freq < 0 &&
if (freq > 0) {
u16 method;
+ if (wpas_check_freq_conflict(wpa_s, freq) > 0) {
+ wpa_msg(wpa_s->parent, MSG_INFO,
+ P2P_EVENT_GROUP_FORMATION_FAILURE
+ "reason=FREQ_CONFLICT");
+ return;
+ }
+
wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
"prior to joining an existing group (GO " MACSTR
" freq=%u MHz)",
if (p2p_prov_disc_req(wpa_s->global->p2p,
wpa_s->pending_join_dev_addr, method, 1,
- freq) < 0) {
+ freq, wpa_s->user_initiated_pd) < 0) {
wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
"Discovery Request before joining an "
"existing group");
wpa_s->pending_pd_before_join = 0;
goto start;
}
-
- /*
- * Actual join operation will be started from the Action frame
- * TX status callback (if no ACK is received) or when the
- * Provision Discovery Response is received. Use a short
- * timeout as a backup mechanism should the Provision Discovery
- * Response be lost for any reason.
- */
- eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s,
- NULL);
- eloop_register_timeout(2, 0, wpas_p2p_pd_before_join_timeout,
- wpa_s, NULL);
return;
}
}
-static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
+static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq)
{
- struct wpa_supplicant *wpa_s = eloop_ctx;
int ret;
struct wpa_driver_scan_params params;
struct wpabuf *wps_ie, *ies;
size_t ielen;
+ int freqs[2] = { 0, 0 };
os_memset(¶ms, 0, sizeof(params));
params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
wpa_s->wps->dev.p2p = 1;
- wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid,
- WPS_REQ_ENROLLEE, 0, NULL);
+ wps_ie = wps_build_probe_req_ie(DEV_PW_DEFAULT, &wpa_s->wps->dev,
+ wpa_s->wps->uuid, WPS_REQ_ENROLLEE, 0,
+ NULL);
if (wps_ie == NULL) {
wpas_p2p_scan_res_join(wpa_s, NULL);
return;
params.p2p_probe = 1;
params.extra_ies = wpabuf_head(ies);
params.extra_ies_len = wpabuf_len(ies);
+ if (freq > 0) {
+ freqs[0] = freq;
+ params.freqs = freqs;
+ }
/*
* Run a scan to update BSS table and start Provision Discovery once
* the new scan results become available.
*/
- wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
ret = wpa_drv_scan(wpa_s, ¶ms);
+ if (!ret)
+ wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
wpabuf_free(ies);
}
+static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ wpas_p2p_join_scan_req(wpa_s, 0);
+}
+
+
static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
- const u8 *dev_addr, enum p2p_wps_method wps_method)
+ const u8 *dev_addr, enum p2p_wps_method wps_method,
+ int auto_join)
{
wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
- MACSTR " dev " MACSTR ")",
- MAC2STR(iface_addr), MAC2STR(dev_addr));
+ MACSTR " dev " MACSTR ")%s",
+ MAC2STR(iface_addr), MAC2STR(dev_addr),
+ auto_join ? " (auto_join)" : "");
+ wpa_s->p2p_auto_pd = 0;
+ wpa_s->p2p_auto_join = !!auto_join;
os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
wpa_s->pending_join_wps_method = wps_method;
{
struct wpa_supplicant *group;
struct p2p_go_neg_results res;
+ struct wpa_bss *bss;
- eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s, NULL);
group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
if (group == NULL)
return -1;
os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
sizeof(group->p2p_pin));
group->p2p_wps_method = wpa_s->p2p_wps_method;
+ } else {
+ /*
+ * Need to mark the current interface for p2p_group_formation
+ * when a separate group interface is not used. This is needed
+ * to allow p2p_cancel stop a pending p2p_connect-join.
+ * wpas_p2p_init_group_interface() addresses this for the case
+ * where a separate group interface is used.
+ */
+ wpa_s->global->p2p_group_formation = wpa_s;
}
group->p2p_in_provisioning = 1;
+ group->p2p_fallback_to_go_neg = wpa_s->p2p_fallback_to_go_neg;
os_memset(&res, 0, sizeof(res));
os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
ETH_ALEN);
res.wps_method = wpa_s->pending_join_wps_method;
+ bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr);
+ if (bss) {
+ res.freq = bss->freq;
+ res.ssid_len = bss->ssid_len;
+ os_memcpy(res.ssid, bss->ssid, bss->ssid_len);
+ }
+
if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel prior to "
"starting client");
}
+static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq,
+ int *force_freq, int *pref_freq,
+ int *oper_freq)
+{
+ 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 && *pref_freq == 0 &&
+ (wpa_s->drv_flags &
+ WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
+ wpa_printf(MSG_DEBUG, "P2P: Trying to prefer the channel we "
+ "are already using (%u MHz) on another interface",
+ *oper_freq);
+ *pref_freq = *oper_freq;
+ } 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", *oper_freq);
+ *force_freq = *oper_freq;
+ }
+
+ return 0;
+}
+
+
/**
* wpas_p2p_connect - Request P2P Group Formation to be started
* @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
* @peer_addr: Address of the peer P2P Device
* @pin: PIN to use during provisioning or %NULL to indicate PBC mode
* @persistent_group: Whether to create a persistent group
+ * @auto_join: Whether to select join vs. GO Negotiation automatically
* @join: Whether to join an existing group (as a client) instead of starting
* Group Owner negotiation; @peer_addr is BSSID in that case
* @auth: Whether to only authorize the connection instead of doing that and
* initiating Group Owner negotiation
* @go_intent: GO Intent or -1 to use default
* @freq: Frequency for the group or 0 for auto-selection
+ * @persistent_id: Persistent group credentials to use for forcing GO
+ * parameters or -1 to generate new values (SSID/passphrase)
+ * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
+ * interoperability workaround when initiating group formation
+ * @ht40: Start GO with 40 MHz channel width
* 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 persistent_group, int auto_join, int join, int auth,
+ int go_intent, int freq, int persistent_id, int pd,
+ int ht40)
{
- int force_freq = 0, oper_freq = 0;
+ int force_freq = 0, pref_freq = 0, oper_freq = 0;
u8 bssid[ETH_ALEN];
- int ret = 0;
+ int ret = 0, res;
enum wpa_driver_if_type iftype;
const u8 *if_addr;
+ struct wpa_ssid *ssid = NULL;
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return -1;
+ if (persistent_id >= 0) {
+ ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
+ if (ssid == NULL || ssid->disabled != 2 ||
+ ssid->mode != WPAS_MODE_P2P_GO)
+ return -1;
+ }
+
if (go_intent < 0)
go_intent = wpa_s->conf->p2p_go_intent;
wpa_s->p2p_long_listen = 0;
wpa_s->p2p_wps_method = wps_method;
+ wpa_s->p2p_persistent_group = !!persistent_group;
+ wpa_s->p2p_persistent_id = persistent_id;
+ wpa_s->p2p_go_intent = go_intent;
+ wpa_s->p2p_connect_freq = freq;
+ wpa_s->p2p_fallback_to_go_neg = 0;
+ wpa_s->p2p_pd_before_go_neg = !!pd;
+ wpa_s->p2p_go_ht40 = !!ht40;
if (pin)
os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
} else
wpa_s->p2p_pin[0] = '\0';
- if (join) {
+ if (join || auto_join) {
u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
if (auth) {
wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
dev_addr);
}
- if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method) <
- 0)
+ if (auto_join) {
+ os_get_time(&wpa_s->p2p_auto_started);
+ wpa_printf(MSG_DEBUG, "P2P: Auto join started at "
+ "%ld.%06ld",
+ wpa_s->p2p_auto_started.sec,
+ wpa_s->p2p_auto_started.usec);
+ }
+ wpa_s->user_initiated_pd = 1;
+ if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method,
+ auto_join) < 0)
return -1;
return ret;
}
if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
- wpa_s->assoc_freq)
+ wpa_s->assoc_freq) {
oper_freq = wpa_s->assoc_freq;
- else {
+ } else {
oper_freq = wpa_drv_shared_freq(wpa_s);
if (oper_freq < 0)
oper_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", oper_freq);
- force_freq = oper_freq;
- }
+ res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
+ &oper_freq);
+ if (res)
+ return res;
wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
if (auth) {
if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
go_intent, if_addr,
- force_freq, persistent_group) < 0)
+ force_freq, persistent_group, ssid,
+ pref_freq) < 0)
return -1;
return ret;
}
if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
go_intent, if_addr, force_freq,
- persistent_group) < 0) {
+ persistent_group, ssid, pref_freq) < 0) {
if (wpa_s->create_p2p_iface)
wpas_p2p_remove_pending_group_interface(wpa_s);
return -1;
{
wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
"(p2p_long_listen=%d ms pending_action_tx=%p)",
- wpa_s->p2p_long_listen, wpa_s->pending_action_tx);
+ wpa_s->p2p_long_listen, offchannel_pending_action_tx(wpa_s));
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return;
if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
return; /* P2P module started a new operation */
- if (wpa_s->pending_action_tx)
+ if (offchannel_pending_action_tx(wpa_s))
return;
if (wpa_s->p2p_long_listen > 0)
wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan;
static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
struct p2p_go_neg_results *params,
- int freq)
+ int freq, int ht40)
{
u8 bssid[ETH_ALEN];
int res;
os_memset(params, 0, sizeof(*params));
params->role_go = 1;
+ params->ht40 = ht40;
if (freq) {
wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced "
"frequency %d MHz", freq);
wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
"frequency %d MHz", params->freq);
} else if (wpa_s->conf->p2p_oper_reg_class == 115 ||
- wpa_s->conf->p2p_oper_reg_class == 124) {
+ wpa_s->conf->p2p_oper_reg_class == 116 ||
+ wpa_s->conf->p2p_oper_reg_class == 117 ||
+ wpa_s->conf->p2p_oper_reg_class == 124 ||
+ wpa_s->conf->p2p_oper_reg_class == 126 ||
+ wpa_s->conf->p2p_oper_reg_class == 127) {
params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
"frequency %d MHz", params->freq);
{
struct wpa_supplicant *group_wpa_s;
- if (!wpas_p2p_create_iface(wpa_s))
+ if (!wpas_p2p_create_iface(wpa_s)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use same interface for group "
+ "operations");
return wpa_s;
+ }
if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
- WPA_IF_P2P_CLIENT) < 0)
+ WPA_IF_P2P_CLIENT) < 0) {
+ wpa_msg(wpa_s, MSG_ERROR, "P2P: Failed to add group interface");
return NULL;
+ }
group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
if (group_wpa_s == NULL) {
+ wpa_msg(wpa_s, MSG_ERROR, "P2P: Failed to initialize group "
+ "interface");
wpas_p2p_remove_pending_group_interface(wpa_s);
return NULL;
}
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use separate group interface %s",
+ group_wpa_s->ifname);
return group_wpa_s;
}
* i.e., without using Group Owner Negotiation.
*/
int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
- int freq)
+ int freq, int ht40)
{
struct p2p_go_neg_results params;
unsigned int r;
/* Make sure we are not running find during connection establishment */
wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND");
- wpas_p2p_stop_find(wpa_s);
+ wpas_p2p_stop_find_oper(wpa_s);
if (freq == 2) {
wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
return -1;
}
- if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq))
+ if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40))
+ return -1;
+ if (params.freq &&
+ !p2p_supported_freq(wpa_s->global->p2p, params.freq)) {
+ wpa_printf(MSG_DEBUG, "P2P: The selected channel for GO "
+ "(%u MHz) is not supported for P2P uses",
+ params.freq);
return -1;
+ }
p2p_go_params(wpa_s->global->p2p, ¶ms);
params.persistent_group = persistent_group;
int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid, int addr_allocated,
- int freq)
+ int freq, int ht40)
{
struct p2p_go_neg_results params;
int go = 0;
}
/* Make sure we are not running find during connection establishment */
- wpas_p2p_stop_find(wpa_s);
+ wpas_p2p_stop_find_oper(wpa_s);
+
+ wpa_s->p2p_fallback_to_go_neg = 0;
if (ssid->mode == WPAS_MODE_INFRA)
return wpas_start_p2p_client(wpa_s, ssid, addr_allocated);
if (ssid->mode != WPAS_MODE_P2P_GO)
return -1;
- if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq))
+ if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40))
return -1;
params.role_go = 1;
- if (ssid->passphrase == NULL ||
- os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
- wpa_printf(MSG_DEBUG, "P2P: Invalid passphrase in persistent "
- "group");
- return -1;
+ params.psk_set = ssid->psk_set;
+ if (params.psk_set)
+ os_memcpy(params.psk, ssid->psk, sizeof(params.psk));
+ if (ssid->passphrase) {
+ if (os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
+ wpa_printf(MSG_ERROR, "P2P: Invalid passphrase in "
+ "persistent group");
+ return -1;
+ }
+ os_strlcpy(params.passphrase, ssid->passphrase,
+ sizeof(params.passphrase));
}
- os_strlcpy(params.passphrase, ssid->passphrase,
- sizeof(params.passphrase));
os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
params.ssid_len = ssid->ssid_len;
params.persistent_group = 1;
struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
- int persistent_group,
- int group_formation)
+ struct wpa_ssid *ssid)
{
struct p2p_group *group;
struct p2p_group_config *cfg;
if (cfg == NULL)
return NULL;
- if (persistent_group && wpa_s->conf->persistent_reconnect)
+ if (ssid->p2p_persistent_group && wpa_s->conf->persistent_reconnect)
cfg->persistent_group = 2;
- else if (persistent_group)
+ else if (ssid->p2p_persistent_group)
cfg->persistent_group = 1;
os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
if (wpa_s->max_stations &&
cfg->max_clients = wpa_s->max_stations;
else
cfg->max_clients = wpa_s->conf->max_num_sta;
+ os_memcpy(cfg->ssid, ssid->ssid, ssid->ssid_len);
+ cfg->ssid_len = ssid->ssid_len;
cfg->cb_ctx = wpa_s;
cfg->ie_update = wpas_p2p_ie_update;
cfg->idle_update = wpas_p2p_idle_update;
group = p2p_group_init(wpa_s->global->p2p, cfg);
if (group == NULL)
os_free(cfg);
- if (!group_formation)
+ if (ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION)
p2p_group_notif_formation_done(group);
wpa_s->p2p_group = group;
return group;
void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
int registrar)
{
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+
if (!wpa_s->p2p_in_provisioning) {
wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
"provisioning not in progress");
return;
}
- /* Clear any stored provisioning info */
- p2p_clear_provisioning_info(wpa_s->global->p2p, peer_addr);
+ if (ssid && ssid->mode == WPAS_MODE_INFRA) {
+ u8 go_dev_addr[ETH_ALEN];
+ os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN);
+ wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
+ ssid->ssid_len);
+ /* Clear any stored provisioning info */
+ p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr);
+ }
eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent,
NULL);
+ if (ssid && ssid->mode == WPAS_MODE_INFRA) {
+ /*
+ * Use a separate timeout for initial data connection to
+ * complete to allow the group to be removed automatically if
+ * something goes wrong in this step before the P2P group idle
+ * timeout mechanism is taken into use.
+ */
+ eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
+ wpas_p2p_group_formation_timeout,
+ wpa_s->parent, NULL);
+ }
if (wpa_s->global->p2p)
p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
if (wpa_s->go_params) {
p2p_clear_provisioning_info(
wpa_s->global->p2p,
- wpa_s->go_params->peer_interface_addr);
+ wpa_s->go_params->peer_device_addr);
}
wpas_notify_p2p_wps_failed(wpa_s, fail);
int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
- const char *config_method, int join)
+ const char *config_method,
+ enum wpas_p2p_prov_disc_use use)
{
u16 config_methods;
+ wpa_s->p2p_fallback_to_go_neg = 0;
+ wpa_s->pending_pd_use = NORMAL_PD;
if (os_strncmp(config_method, "display", 7) == 0)
config_methods = WPS_CONFIG_DISPLAY;
else if (os_strncmp(config_method, "keypad", 6) == 0)
return -1;
}
+ if (use == WPAS_P2P_PD_AUTO) {
+ os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN);
+ wpa_s->pending_pd_config_methods = config_methods;
+ wpa_s->p2p_auto_pd = 1;
+ wpa_s->p2p_auto_join = 0;
+ wpa_s->pending_pd_before_join = 0;
+ wpa_s->auto_pd_scan_retry = 0;
+ wpas_p2p_stop_find(wpa_s);
+ wpa_s->p2p_join_scan_count = 0;
+ os_get_time(&wpa_s->p2p_auto_started);
+ wpa_printf(MSG_DEBUG, "P2P: Auto PD started at %ld.%06ld",
+ wpa_s->p2p_auto_started.sec,
+ wpa_s->p2p_auto_started.usec);
+ wpas_p2p_join_scan(wpa_s, NULL);
+ return 0;
+ }
+
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
return wpa_drv_p2p_prov_disc_req(wpa_s, peer_addr,
- config_methods, join);
+ config_methods,
+ use == WPAS_P2P_PD_FOR_JOIN);
}
if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
return -1;
return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr,
- config_methods, join, 0);
+ config_methods, use == WPAS_P2P_PD_FOR_JOIN,
+ 0, 1);
}
static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
{
- if (!wpa_s->pending_action_tx)
+ if (!offchannel_pending_action_tx(wpa_s))
return;
wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
"operation request");
- wpabuf_free(wpa_s->pending_action_tx);
- wpa_s->pending_action_tx = NULL;
+ offchannel_clear_pending_action_tx(wpa_s);
}
int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
enum p2p_discovery_type type,
unsigned int num_req_dev_types, const u8 *req_dev_types,
- const u8 *dev_id)
+ const u8 *dev_id, unsigned int search_delay)
{
wpas_p2p_clear_pending_action_tx(wpa_s);
wpa_s->p2p_long_listen = 0;
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
return wpa_drv_p2p_find(wpa_s, timeout, type);
- if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL ||
+ wpa_s->p2p_in_provisioning)
return -1;
wpa_supplicant_cancel_sched_scan(wpa_s);
return p2p_find(wpa_s->global->p2p, timeout, type,
- num_req_dev_types, req_dev_types, dev_id);
+ num_req_dev_types, req_dev_types, dev_id,
+ search_delay);
}
-void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
+static int wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s)
{
wpas_p2p_clear_pending_action_tx(wpa_s);
wpa_s->p2p_long_listen = 0;
eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
- wpa_s->p2p_cb_on_scan_complete = 0;
+ wpa_s->global->p2p_cb_on_scan_complete = 0;
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
wpa_drv_p2p_stop_find(wpa_s);
- return;
+ return 1;
}
if (wpa_s->global->p2p)
p2p_stop_find(wpa_s->global->p2p);
+ return 0;
+}
+
+
+void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
+{
+ if (wpas_p2p_stop_find_oper(wpa_s) > 0)
+ return;
wpas_p2p_remove_pending_group_interface(wpa_s);
}
int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
const u8 *dst, const u8 *bssid,
- const u8 *ie, size_t ie_len)
+ const u8 *ie, size_t ie_len, int ssi_signal)
{
if (wpa_s->global->p2p_disabled)
return 0;
if (wpa_s->global->p2p == NULL)
return 0;
- return p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid,
- ie, ie_len);
+ switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid,
+ ie, ie_len)) {
+ case P2P_PREQ_NOT_P2P:
+ wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len,
+ ssi_signal);
+ /* fall through */
+ case P2P_PREQ_MALFORMED:
+ case P2P_PREQ_NOT_LISTEN:
+ case P2P_PREQ_NOT_PROCESSED:
+ default: /* make gcc happy */
+ return 0;
+ case P2P_PREQ_PROCESSED:
+ return 1;
+ }
}
/* Invite to reinvoke a persistent group */
int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
- struct wpa_ssid *ssid, const u8 *go_dev_addr)
+ struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq,
+ int ht40, int pref_freq)
{
enum p2p_invite_role role;
- u8 *bssid = NULL;
+ u8 *bssid = NULL, bssid_buf[ETH_ALEN];
+ int force_freq = 0, oper_freq = 0;
+ int res;
+ wpa_s->p2p_persistent_go_freq = freq;
+ wpa_s->p2p_go_ht40 = !!ht40;
if (ssid->mode == WPAS_MODE_P2P_GO) {
role = P2P_INVITE_ROLE_GO;
if (peer_addr == NULL) {
}
wpa_s->pending_invite_ssid_id = ssid->id;
+ if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid_buf) == 0 &&
+ wpa_s->assoc_freq) {
+ oper_freq = wpa_s->assoc_freq;
+ if (bssid == NULL)
+ bssid = bssid_buf;
+ } else {
+ oper_freq = wpa_drv_shared_freq(wpa_s);
+ if (oper_freq < 0)
+ oper_freq = 0;
+ }
+
+ res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
+ &oper_freq);
+ if (res)
+ return res;
+
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid,
ssid->ssid, ssid->ssid_len,
return -1;
return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
- ssid->ssid, ssid->ssid_len, 0, go_dev_addr, 1);
+ ssid->ssid, ssid->ssid_len, force_freq, go_dev_addr,
+ 1, pref_freq);
}
{
struct wpa_global *global = wpa_s->global;
enum p2p_invite_role role;
- u8 *bssid = NULL;
+ u8 *bssid = NULL, bssid_buf[ETH_ALEN];
struct wpa_ssid *ssid;
int persistent;
+ int force_freq = 0, oper_freq = 0, pref_freq = 0;
+ int res;
+
+ wpa_s->p2p_persistent_go_freq = 0;
+ wpa_s->p2p_go_ht40 = 0;
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
if (os_strcmp(wpa_s->ifname, ifname) == 0)
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return -1;
+ if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid_buf) == 0 &&
+ wpa_s->assoc_freq) {
+ oper_freq = wpa_s->assoc_freq;
+ if (bssid == NULL)
+ bssid = bssid_buf;
+ } else {
+ oper_freq = wpa_drv_shared_freq(wpa_s);
+ if (oper_freq < 0)
+ oper_freq = 0;
+ }
+
+ res = wpas_p2p_setup_freqs(wpa_s, 0, &force_freq, &pref_freq,
+ &oper_freq);
+ if (res)
+ return res;
+
return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
- ssid->ssid, ssid->ssid_len, wpa_s->assoc_freq,
- go_dev_addr, persistent);
+ ssid->ssid, ssid->ssid_len, force_freq,
+ go_dev_addr, persistent, pref_freq);
}
int persistent;
int freq;
+ if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) {
+ eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
+ wpa_s->parent, NULL);
+ }
+
if (!wpa_s->show_group_started || !ssid)
- return;
+ goto done;
wpa_s->show_group_started = 0;
if (network_id < 0)
network_id = ssid->id;
wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1);
+
+done:
+ if (wpa_s->global->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
+ wpa_s->global->p2p != NULL) {
+ wpa_s->global->p2p_cb_on_scan_complete = 0;
+ if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
+ "continued after successful connection");
+ p2p_increase_search_delay(
+ wpa_s->global->p2p,
+ wpas_p2p_search_delay(wpa_s));
+ }
+ }
}
static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s)
{
- return wpa_s->current_ssid != NULL &&
- wpa_s->current_ssid->p2p_group &&
+ if (wpa_s->current_ssid == NULL) {
+ /*
+ * current_ssid can be cleared when P2P client interface gets
+ * disconnected, so assume this interface was used as P2P
+ * client.
+ */
+ return 1;
+ }
+ return wpa_s->current_ssid->p2p_group &&
wpa_s->current_ssid->mode == WPAS_MODE_INFRA;
}
wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate "
"group");
- wpa_s->removal_reason = P2P_GROUP_REMOVAL_IDLE_TIMEOUT;
- wpas_p2p_group_delete(wpa_s);
+ wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_IDLE_TIMEOUT);
}
static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s)
{
- unsigned int timeout;
+ int timeout;
+
+ if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
+ wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
- eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
return;
if (timeout == 0)
return;
+ if (timeout < 0) {
+ if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA)
+ timeout = 0; /* special client mode no-timeout */
+ else
+ return;
+ }
+
+ if (wpa_s->p2p_in_provisioning) {
+ /*
+ * Use the normal group formation timeout during the
+ * provisioning phase to avoid terminating this process too
+ * early due to group idle timeout.
+ */
+ wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
+ "during provisioning");
+ return;
+ }
+
+ if (wpa_s->show_group_started) {
+ /*
+ * Use the normal group formation timeout between the end of
+ * the provisioning phase and completion of 4-way handshake to
+ * avoid terminating this process too early due to group idle
+ * timeout.
+ */
+ wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
+ "while waiting for initial 4-way handshake to "
+ "complete");
+ return;
+ }
+
wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds",
timeout);
eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout,
}
-void wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
- u16 reason_code, const u8 *ie, size_t ie_len)
+/* Returns 1 if the interface was removed */
+int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ u16 reason_code, const u8 *ie, size_t ie_len,
+ int locally_generated)
{
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
- return;
+ return 0;
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
- return;
+ return 0;
- p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
+ if (!locally_generated)
+ p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie,
+ ie_len);
+
+ if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated &&
+ wpa_s->current_ssid &&
+ wpa_s->current_ssid->p2p_group &&
+ wpa_s->current_ssid->mode == WPAS_MODE_INFRA) {
+ wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group "
+ "session is ending");
+ if (wpas_p2p_group_delete(wpa_s,
+ P2P_GROUP_REMOVAL_GO_ENDING_SESSION)
+ > 0)
+ return 1;
+ }
+
+ return 0;
}
void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
- u16 reason_code, const u8 *ie, size_t ie_len)
+ u16 reason_code, const u8 *ie, size_t ie_len,
+ int locally_generated)
{
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return;
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
return;
- p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
+ if (!locally_generated)
+ p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie,
+ ie_len);
}
wpa_printf(MSG_ERROR, "P2P: Own oper channel update "
"failed: %d", ret);
}
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) {
+ if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan,
+ wpa_s->conf->p2p_pref_chan) < 0) {
+ wpa_printf(MSG_ERROR, "P2P: Preferred channel list "
+ "update failed");
+ }
+ }
}
wpas_p2p_disable_cross_connect(wpa_s);
else
wpas_p2p_enable_cross_connect(wpa_s);
- if (!wpa_s->ap_iface)
- eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
+ if (!wpa_s->ap_iface &&
+ eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
+ wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
}
}
+static void wpas_p2p_scan_res_ignore(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res)
+{
+ wpa_printf(MSG_DEBUG, "P2P: Ignore scan results");
+}
+
+
int wpas_p2p_cancel(struct wpa_supplicant *wpa_s)
{
struct wpa_global *global = wpa_s->global;
wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer "
MACSTR, MAC2STR(peer));
p2p_unauthorize(global->p2p, peer);
+ found = 1;
+ }
+
+ if (wpa_s->scan_res_handler == wpas_p2p_scan_res_join) {
+ wpa_printf(MSG_DEBUG, "P2P: Stop pending scan for join");
+ wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore;
+ found = 1;
+ }
+
+ if (wpa_s->pending_pd_before_join) {
+ wpa_printf(MSG_DEBUG, "P2P: Stop pending PD before join");
+ wpa_s->pending_pd_before_join = 0;
+ found = 1;
}
wpas_p2p_stop_find(wpa_s);
found = 1;
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
wpa_s->parent, NULL);
- wpas_p2p_group_delete(wpa_s);
+ if (wpa_s->p2p_in_provisioning) {
+ wpas_group_formation_completed(wpa_s, 0);
+ break;
+ }
+ wpas_p2p_group_delete(wpa_s,
+ P2P_GROUP_REMOVAL_REQUESTED);
break;
}
}
wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not "
"being available anymore");
- wpa_s->removal_reason = P2P_GROUP_REMOVAL_UNAVAILABLE;
- wpas_p2p_group_delete(wpa_s);
+ wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_UNAVAILABLE);
}
if (wpa_s == NULL)
return -1;
- wpa_s->removal_reason = P2P_GROUP_REMOVAL_REQUESTED;
- wpas_p2p_group_delete(wpa_s);
-
- return 0;
+ return wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_REQUESTED) < 0 ?
+ -1 : 0;
}
int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s)
{
+ int ret;
+
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return 0;
- return p2p_in_progress(wpa_s->global->p2p);
+ ret = p2p_in_progress(wpa_s->global->p2p);
+ if (ret == 0) {
+ /*
+ * Check whether there is an ongoing WPS provisioning step (or
+ * other parts of group formation) on another interface since
+ * p2p_in_progress() does not report this to avoid issues for
+ * scans during such provisioning step.
+ */
+ if (wpa_s->global->p2p_group_formation &&
+ wpa_s->global->p2p_group_formation != wpa_s) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Another interface (%s) "
+ "in group formation",
+ wpa_s->global->p2p_group_formation->ifname);
+ ret = 1;
+ }
+ }
+
+ return ret;
}
void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid)
-
{
if (wpa_s->p2p_in_provisioning && ssid->p2p_group &&
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
wpa_s->parent, NULL) > 0) {
+ /**
+ * Remove the network by scheduling the group formation
+ * timeout to happen immediately. The teardown code
+ * needs to be scheduled to run asynch later so that we
+ * don't delete data from under ourselves unexpectedly.
+ * Calling wpas_p2p_group_formation_timeout directly
+ * causes a series of crashes in WPS failure scenarios.
+ */
wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to "
"P2P group network getting removed");
- wpas_p2p_group_formation_timeout(wpa_s->parent, NULL);
+ eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
+ wpa_s->parent, NULL);
}
}
return;
wpas_p2p_add_persistent_group_client(wpa_s, addr);
}
+
+
+static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
+ int group_added)
+{
+ struct wpa_supplicant *group = wpa_s;
+ if (wpa_s->global->p2p_group_formation)
+ group = wpa_s->global->p2p_group_formation;
+ wpa_s = wpa_s->parent;
+ offchannel_send_action_done(wpa_s);
+ if (group_added)
+ wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT);
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Fall back to GO Negotiation");
+ wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, wpa_s->p2p_pin,
+ wpa_s->p2p_wps_method, wpa_s->p2p_persistent_group, 0,
+ 0, 0, wpa_s->p2p_go_intent, wpa_s->p2p_connect_freq,
+ wpa_s->p2p_persistent_id,
+ wpa_s->p2p_pd_before_go_neg,
+ wpa_s->p2p_go_ht40);
+}
+
+
+int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s)
+{
+ if (!wpa_s->p2p_fallback_to_go_neg ||
+ wpa_s->p2p_in_provisioning <= 5)
+ return 0;
+
+ if (wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr) > 0)
+ return 0; /* peer operating as a GO */
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: GO not found for p2p_connect-auto - "
+ "fallback to GO Negotiation");
+ wpas_p2p_fallback_to_go_neg(wpa_s, 1);
+
+ return 1;
+}
+
+
+unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s)
+{
+ const char *rn, *rn2;
+ struct wpa_supplicant *ifs;
+
+ if (wpa_s->wpa_state > WPA_SCANNING) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to "
+ "concurrent operation",
+ P2P_CONCURRENT_SEARCH_DELAY);
+ return P2P_CONCURRENT_SEARCH_DELAY;
+ }
+
+ if (!wpa_s->driver->get_radio_name)
+ return 0;
+ rn = wpa_s->driver->get_radio_name(wpa_s->drv_priv);
+ if (rn == NULL || rn[0] == '\0')
+ return 0;
+
+ for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
+ if (ifs == wpa_s || !ifs->driver->get_radio_name)
+ continue;
+
+ rn2 = ifs->driver->get_radio_name(ifs->drv_priv);
+ if (!rn2 || os_strcmp(rn, rn2) != 0)
+ continue;
+ if (ifs->wpa_state > WPA_SCANNING) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search "
+ "delay due to concurrent operation on "
+ "interface %s",
+ P2P_CONCURRENT_SEARCH_DELAY, ifs->ifname);
+ return P2P_CONCURRENT_SEARCH_DELAY;
+ }
+ }
+
+ return 0;
+}
projects / mech_eap.git / blobdiff