#include "ap/ap_drv_ops.h"
#include "ap/wps_hostapd.h"
#include "ap/p2p_hostapd.h"
+#include "ap/dfs.h"
#include "eapol_supp/eapol_supp_sm.h"
#include "rsn_supp/wpa.h"
#include "wpa_supplicant_i.h"
#define P2P_AUTO_PD_SCAN_ATTEMPTS 5
+/**
+ * Defines time interval in seconds when a GO needs to evacuate a frequency that
+ * it is currently using, but is no longer valid for P2P use cases.
+ */
+#define P2P_GO_FREQ_CHANGE_TIME 5
+
+/**
+ * Defines CSA parameters which are used when GO evacuates the no longer valid
+ * channel (and if the driver supports channel switch).
+ */
+#define P2P_GO_CSA_COUNT 7
+#define P2P_GO_CSA_BLOCK_TX 0
+
#ifndef P2P_MAX_CLIENT_IDLE
/*
* How many seconds to try to reconnect to the GO when connection in P2P client
#ifndef P2P_MAX_INITIAL_CONN_WAIT
/*
* How many seconds to wait for initial 4-way handshake to get completed after
- * WPS provisioning step.
+ * WPS provisioning step or after the re-invocation of a persistent group on a
+ * P2P Client.
*/
#define P2P_MAX_INITIAL_CONN_WAIT 10
#endif /* P2P_MAX_INITIAL_CONN_WAIT */
#define P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE 15
#endif /* P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE */
-#ifndef P2P_CONCURRENT_SEARCH_DELAY
-#define P2P_CONCURRENT_SEARCH_DELAY 500
-#endif /* P2P_CONCURRENT_SEARCH_DELAY */
-
#define P2P_MGMT_DEVICE_PREFIX "p2p-dev-"
+/*
+ * How many seconds to wait to re-attempt to move GOs, in case previous attempt
+ * was not possible.
+ */
+#define P2P_RECONSIDER_GO_MOVE_DELAY 30
+
enum p2p_group_removal_reason {
P2P_GROUP_REMOVAL_UNKNOWN,
P2P_GROUP_REMOVAL_SILENT,
P2P_GROUP_REMOVAL_UNAVAILABLE,
P2P_GROUP_REMOVAL_GO_ENDING_SESSION,
P2P_GROUP_REMOVAL_PSK_FAILURE,
- P2P_GROUP_REMOVAL_FREQ_CONFLICT
+ P2P_GROUP_REMOVAL_FREQ_CONFLICT,
+ P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL
};
int go);
static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s, int freq,
const u8 *ssid, size_t ssid_len);
+static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq,
+ int *force_freq, int *pref_freq, int go,
+ unsigned int *pref_freq_list,
+ unsigned int *num_pref_freq);
static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq,
const u8 *ssid, size_t ssid_len);
static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx);
static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
void *timeout_ctx);
static void wpas_p2p_group_freq_conflict(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 int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
+ int group_added);
+static void wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s);
+static void wpas_stop_listen(void *ctx);
+static void wpas_p2p_psk_failure_removal(void *eloop_ctx, void *timeout_ctx);
+static void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s);
+static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
+ enum wpa_driver_if_type type);
+static void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s,
+ int already_deleted);
+static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant *wpa_s,
+ struct wpa_used_freq_data *freqs,
+ unsigned int num);
+static void wpas_p2p_move_go(void *eloop_ctx, void *timeout_ctx);
+static int wpas_p2p_go_is_peer_freq(struct wpa_supplicant *wpa_s, int freq);
+static void
+wpas_p2p_consider_moving_gos(struct wpa_supplicant *wpa_s,
+ struct wpa_used_freq_data *freqs, unsigned int num,
+ enum wpas_p2p_channel_update_trig trig);
+static void wpas_p2p_reconsider_moving_go(void *eloop_ctx, void *timeout_ctx);
/*
* Get the frequencies that are currently in use by one or more of the virtual
* interfaces, and that are also valid for P2P operation.
*/
-static int wpas_p2p_valid_oper_freqs(struct wpa_supplicant *wpa_s,
- int *p2p_freqs, unsigned int len)
+static unsigned int
+wpas_p2p_valid_oper_freqs(struct wpa_supplicant *wpa_s,
+ struct wpa_used_freq_data *p2p_freqs,
+ unsigned int len)
{
- int *freqs;
+ struct wpa_used_freq_data *freqs;
unsigned int num, i, j;
- freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int));
+ freqs = os_calloc(wpa_s->num_multichan_concurrent,
+ sizeof(struct wpa_used_freq_data));
if (!freqs)
- return -1;
+ return 0;
- num = get_shared_radio_freqs(wpa_s, freqs,
- wpa_s->num_multichan_concurrent);
+ num = get_shared_radio_freqs_data(wpa_s, freqs,
+ wpa_s->num_multichan_concurrent);
- os_memset(p2p_freqs, 0, sizeof(int) * len);
+ os_memset(p2p_freqs, 0, sizeof(struct wpa_used_freq_data) * len);
for (i = 0, j = 0; i < num && j < len; i++) {
- if (p2p_supported_freq(wpa_s->global->p2p, freqs[i]))
+ if (p2p_supported_freq(wpa_s->global->p2p, freqs[i].freq))
p2p_freqs[j++] = freqs[i];
}
os_free(freqs);
- dump_freq_array(wpa_s, "valid for P2P", p2p_freqs, j);
+ dump_freq_data(wpa_s, "valid for P2P", p2p_freqs, j);
return j;
}
{
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return;
- if (wpa_s->parent->conf->p2p_ignore_shared_freq &&
+
+ /* Use the wpa_s used to control the P2P Device operation */
+ wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+ if (wpa_s->conf->p2p_ignore_shared_freq &&
freq > 0 && wpa_s->num_multichan_concurrent > 1 &&
wpas_p2p_num_unused_channels(wpa_s) > 0) {
wpa_printf(MSG_DEBUG, "P2P: Ignore own channel preference %d MHz due to p2p_ignore_shared_freq=1 configuration",
int ret;
if (deinit) {
- wpa_scan_free_params(params);
+ if (!work->started) {
+ wpa_scan_free_params(params);
+ return;
+ }
+
+ wpa_s->p2p_scan_work = NULL;
return;
}
work->ctx = NULL;
if (ret) {
radio_work_done(work);
+ p2p_notify_scan_trigger_status(wpa_s->global->p2p, ret);
return;
}
+ p2p_notify_scan_trigger_status(wpa_s->global->p2p, ret);
os_get_reltime(&wpa_s->scan_trigger_time);
wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
wpa_s->own_scan_requested = 1;
}
+static int wpas_p2p_search_social_channel(struct wpa_supplicant *wpa_s,
+ int freq)
+{
+ if (wpa_s->global->p2p_24ghz_social_channels &&
+ (freq == 2412 || freq == 2437 || freq == 2462)) {
+ /*
+ * Search all social channels regardless of whether these have
+ * been disabled for P2P operating channel use to avoid missing
+ * peers.
+ */
+ return 1;
+ }
+ return p2p_supported_freq(wpa_s->global->p2p, freq);
+}
+
+
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, u16 pw_id)
struct wpa_supplicant *wpa_s = ctx;
struct wpa_driver_scan_params *params = NULL;
struct wpabuf *wps_ie, *ies;
+ unsigned int num_channels = 0;
+ int social_channels_freq[] = { 2412, 2437, 2462, 60480 };
size_t ielen;
- u8 *n;
+ u8 *n, i;
+ unsigned int bands;
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return -1;
if (wps_ie == NULL)
goto fail;
+ switch (type) {
+ case P2P_SCAN_SOCIAL:
+ params->freqs = os_calloc(ARRAY_SIZE(social_channels_freq) + 1,
+ sizeof(int));
+ if (params->freqs == NULL)
+ goto fail;
+ for (i = 0; i < ARRAY_SIZE(social_channels_freq); i++) {
+ if (wpas_p2p_search_social_channel(
+ wpa_s, social_channels_freq[i]))
+ params->freqs[num_channels++] =
+ social_channels_freq[i];
+ }
+ params->freqs[num_channels++] = 0;
+ break;
+ case P2P_SCAN_FULL:
+ break;
+ case P2P_SCAN_SPECIFIC:
+ params->freqs = os_calloc(2, sizeof(int));
+ if (params->freqs == NULL)
+ goto fail;
+ params->freqs[0] = freq;
+ params->freqs[1] = 0;
+ break;
+ case P2P_SCAN_SOCIAL_PLUS_ONE:
+ params->freqs = os_calloc(ARRAY_SIZE(social_channels_freq) + 2,
+ sizeof(int));
+ if (params->freqs == NULL)
+ goto fail;
+ for (i = 0; i < ARRAY_SIZE(social_channels_freq); i++) {
+ if (wpas_p2p_search_social_channel(
+ wpa_s, social_channels_freq[i]))
+ params->freqs[num_channels++] =
+ social_channels_freq[i];
+ }
+ if (p2p_supported_freq(wpa_s->global->p2p, freq))
+ params->freqs[num_channels++] = freq;
+ params->freqs[num_channels++] = 0;
+ break;
+ }
+
ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
if (ies == NULL) {
wpabuf_put_buf(ies, wps_ie);
wpabuf_free(wps_ie);
- p2p_scan_ie(wpa_s->global->p2p, ies, dev_id);
+ bands = wpas_get_bands(wpa_s, params->freqs);
+ p2p_scan_ie(wpa_s->global->p2p, ies, dev_id, bands);
params->p2p_probe = 1;
n = os_malloc(wpabuf_len(ies));
params->extra_ies_len = wpabuf_len(ies);
wpabuf_free(ies);
- switch (type) {
- case P2P_SCAN_SOCIAL:
- params->freqs = os_malloc(4 * sizeof(int));
- if (params->freqs == NULL)
- goto fail;
- params->freqs[0] = 2412;
- params->freqs[1] = 2437;
- params->freqs[2] = 2462;
- params->freqs[3] = 0;
- break;
- case P2P_SCAN_FULL:
- break;
- case P2P_SCAN_SOCIAL_PLUS_ONE:
- params->freqs = os_malloc(5 * sizeof(int));
- if (params->freqs == NULL)
- goto fail;
- params->freqs[0] = 2412;
- params->freqs[1] = 2437;
- params->freqs[2] = 2462;
- params->freqs[3] = freq;
- params->freqs[4] = 0;
- break;
- }
-
- radio_remove_unstarted_work(wpa_s, "p2p-scan");
+ radio_remove_works(wpa_s, "p2p-scan", 0);
if (radio_add_work(wpa_s, 0, "p2p-scan", 0, wpas_p2p_trigger_scan_cb,
params) < 0)
goto fail;
}
+static void run_wpas_p2p_disconnect(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ wpa_printf(MSG_DEBUG,
+ "P2P: Complete previously requested removal of %s",
+ wpa_s->ifname);
+ wpas_p2p_disconnect(wpa_s);
+}
+
+
+static int wpas_p2p_disconnect_safely(struct wpa_supplicant *wpa_s,
+ struct wpa_supplicant *calling_wpa_s)
+{
+ if (calling_wpa_s == wpa_s && wpa_s &&
+ wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
+ /*
+ * The calling wpa_s instance is going to be removed. Do that
+ * from an eloop callback to keep the instance available until
+ * the caller has returned. This my be needed, e.g., to provide
+ * control interface responses on the per-interface socket.
+ */
+ if (eloop_register_timeout(0, 0, run_wpas_p2p_disconnect,
+ wpa_s, NULL) < 0)
+ return -1;
+ return 0;
+ }
+
+ return wpas_p2p_disconnect(wpa_s);
+}
+
+
+/* Determine total number of clients in active groups where we are the GO */
+static unsigned int p2p_group_go_member_count(struct wpa_supplicant *wpa_s)
+{
+ unsigned int count = 0;
+ struct wpa_ssid *s;
+
+ for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ for (s = wpa_s->conf->ssid; s; s = s->next) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
+ wpa_s, s, s->disabled, s->p2p_group,
+ s->mode);
+ if (!s->disabled && s->p2p_group &&
+ s->mode == WPAS_MODE_P2P_GO) {
+ count += p2p_get_group_num_members(
+ wpa_s->p2p_group);
+ }
+ }
+ }
+
+ return count;
+}
+
+
+static unsigned int p2p_is_active_persistent_group(struct wpa_supplicant *wpa_s)
+{
+ return !wpa_s->p2p_mgmt && wpa_s->current_ssid &&
+ !wpa_s->current_ssid->disabled &&
+ wpa_s->current_ssid->p2p_group &&
+ wpa_s->current_ssid->p2p_persistent_group;
+}
+
+
+static unsigned int p2p_is_active_persistent_go(struct wpa_supplicant *wpa_s)
+{
+ return p2p_is_active_persistent_group(wpa_s) &&
+ wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO;
+}
+
+
+/* Find an interface for a P2P group where we are the GO */
+static struct wpa_supplicant *
+wpas_p2p_get_go_group(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_supplicant *save = NULL;
+
+ if (!wpa_s)
+ return NULL;
+
+ for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ if (!p2p_is_active_persistent_go(wpa_s))
+ continue;
+
+ /* Prefer a group with connected clients */
+ if (p2p_get_group_num_members(wpa_s->p2p_group))
+ return wpa_s;
+ save = wpa_s;
+ }
+
+ /* No group with connected clients, so pick the one without (if any) */
+ return save;
+}
+
+
+static unsigned int p2p_is_active_persistent_cli(struct wpa_supplicant *wpa_s)
+{
+ return p2p_is_active_persistent_group(wpa_s) &&
+ wpa_s->current_ssid->mode == WPAS_MODE_INFRA;
+}
+
+
+/* Find an interface for a P2P group where we are the P2P Client */
+static struct wpa_supplicant *
+wpas_p2p_get_cli_group(struct wpa_supplicant *wpa_s)
+{
+ for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ if (p2p_is_active_persistent_cli(wpa_s))
+ return wpa_s;
+ }
+
+ return NULL;
+}
+
+
+/* Find a persistent group where we are the GO */
+static struct wpa_ssid *
+wpas_p2p_get_persistent_go(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_ssid *s;
+
+ for (s = wpa_s->conf->ssid; s; s = s->next) {
+ if (s->disabled == 2 && s->mode == WPAS_MODE_P2P_GO)
+ return s;
+ }
+
+ return NULL;
+}
+
+
+static u8 p2ps_group_capability(void *ctx, u8 incoming, u8 role,
+ unsigned int *force_freq,
+ unsigned int *pref_freq)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *s;
+ u8 conncap = P2PS_SETUP_NONE;
+ unsigned int owned_members = 0;
+ struct wpa_supplicant *go_wpa_s, *cli_wpa_s;
+ struct wpa_ssid *persistent_go;
+ int p2p_no_group_iface;
+ unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
+
+ wpa_printf(MSG_DEBUG, "P2P: Conncap - in:%d role:%d", incoming, role);
+
+ if (force_freq)
+ *force_freq = 0;
+ if (pref_freq)
+ *pref_freq = 0;
+
+ size = P2P_MAX_PREF_CHANNELS;
+ if (force_freq && pref_freq &&
+ !wpas_p2p_setup_freqs(wpa_s, 0, (int *) force_freq,
+ (int *) pref_freq, 0, pref_freq_list, &size))
+ wpas_p2p_set_own_freq_preference(wpa_s,
+ *force_freq ? *force_freq :
+ *pref_freq);
+
+ /*
+ * For non-concurrent capable devices:
+ * If persistent_go, then no new.
+ * If GO, then no client.
+ * If client, then no GO.
+ */
+ go_wpa_s = wpas_p2p_get_go_group(wpa_s);
+ if (go_wpa_s)
+ owned_members = p2p_get_group_num_members(go_wpa_s->p2p_group);
+ persistent_go = wpas_p2p_get_persistent_go(wpa_s);
+ p2p_no_group_iface = !wpas_p2p_create_iface(wpa_s);
+ cli_wpa_s = wpas_p2p_get_cli_group(wpa_s);
+
+ wpa_printf(MSG_DEBUG,
+ "P2P: GO(iface)=%p members=%u CLI(iface)=%p persistent(ssid)=%p",
+ go_wpa_s, owned_members, cli_wpa_s, persistent_go);
+
+ /* If not concurrent, restrict our choices */
+ if (p2p_no_group_iface) {
+ wpa_printf(MSG_DEBUG, "P2P: p2p_no_group_iface");
+
+ if (cli_wpa_s)
+ return P2PS_SETUP_NONE;
+
+ if (go_wpa_s) {
+ if (role == P2PS_SETUP_CLIENT ||
+ incoming == P2PS_SETUP_GROUP_OWNER ||
+ p2p_client_limit_reached(go_wpa_s->p2p_group))
+ return P2PS_SETUP_NONE;
+
+ return P2PS_SETUP_GROUP_OWNER;
+ }
+
+ if (persistent_go) {
+ if (role == P2PS_SETUP_NONE || role == P2PS_SETUP_NEW) {
+ if (!incoming)
+ return P2PS_SETUP_GROUP_OWNER |
+ P2PS_SETUP_CLIENT;
+ if (incoming == P2PS_SETUP_NEW) {
+ u8 r;
+
+ if (os_get_random(&r, sizeof(r)) < 0 ||
+ (r & 1))
+ return P2PS_SETUP_CLIENT;
+ return P2PS_SETUP_GROUP_OWNER;
+ }
+ }
+ }
+ }
+
+ /* If a required role has been specified, handle it here */
+ if (role && role != P2PS_SETUP_NEW) {
+ switch (incoming) {
+ case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_NEW:
+ case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT:
+ /*
+ * Peer has an active GO, so if the role allows it and
+ * we do not have any active roles, become client.
+ */
+ if ((role & P2PS_SETUP_CLIENT) && !go_wpa_s &&
+ !cli_wpa_s)
+ return P2PS_SETUP_CLIENT;
+
+ /* fall through */
+
+ case P2PS_SETUP_NONE:
+ case P2PS_SETUP_NEW:
+ conncap = role;
+ goto grp_owner;
+
+ case P2PS_SETUP_GROUP_OWNER:
+ /*
+ * Must be a complimentary role - cannot be a client to
+ * more than one peer.
+ */
+ if (incoming == role || cli_wpa_s)
+ return P2PS_SETUP_NONE;
+
+ return P2PS_SETUP_CLIENT;
+
+ case P2PS_SETUP_CLIENT:
+ /* Must be a complimentary role */
+ if (incoming != role) {
+ conncap = P2PS_SETUP_GROUP_OWNER;
+ goto grp_owner;
+ }
+
+ default:
+ return P2PS_SETUP_NONE;
+ }
+ }
+
+ /*
+ * For now, we only will support ownership of one group, and being a
+ * client of one group. Therefore, if we have either an existing GO
+ * group, or an existing client group, we will not do a new GO
+ * negotiation, but rather try to re-use the existing groups.
+ */
+ switch (incoming) {
+ case P2PS_SETUP_NONE:
+ case P2PS_SETUP_NEW:
+ if (cli_wpa_s)
+ conncap = P2PS_SETUP_GROUP_OWNER;
+ else if (!owned_members)
+ conncap = P2PS_SETUP_NEW;
+ else if (incoming == P2PS_SETUP_NONE)
+ conncap = P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT;
+ else
+ conncap = P2PS_SETUP_CLIENT;
+ break;
+
+ case P2PS_SETUP_CLIENT:
+ conncap = P2PS_SETUP_GROUP_OWNER;
+ break;
+
+ case P2PS_SETUP_GROUP_OWNER:
+ if (!cli_wpa_s)
+ conncap = P2PS_SETUP_CLIENT;
+ break;
+
+ case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_NEW:
+ case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT:
+ if (cli_wpa_s)
+ conncap = P2PS_SETUP_GROUP_OWNER;
+ else {
+ u8 r;
+
+ if (os_get_random(&r, sizeof(r)) < 0 ||
+ (r & 1))
+ conncap = P2PS_SETUP_CLIENT;
+ else
+ conncap = P2PS_SETUP_GROUP_OWNER;
+ }
+ break;
+
+ default:
+ return P2PS_SETUP_NONE;
+ }
+
+grp_owner:
+ if ((conncap & P2PS_SETUP_GROUP_OWNER) ||
+ (!incoming && (conncap & P2PS_SETUP_NEW))) {
+ if (go_wpa_s && p2p_client_limit_reached(go_wpa_s->p2p_group))
+ conncap &= ~P2PS_SETUP_GROUP_OWNER;
+
+ s = wpas_p2p_get_persistent_go(wpa_s);
+ if (!s && !go_wpa_s && p2p_no_group_iface) {
+ p2p_set_intended_addr(wpa_s->global->p2p,
+ wpa_s->p2p_mgmt ?
+ wpa_s->parent->own_addr :
+ wpa_s->own_addr);
+ } else if (!s && !go_wpa_s) {
+ if (wpas_p2p_add_group_interface(wpa_s,
+ WPA_IF_P2P_GO) < 0) {
+ wpa_printf(MSG_ERROR,
+ "P2P: Failed to allocate a new interface for the group");
+ return P2PS_SETUP_NONE;
+ }
+ wpa_s->global->pending_group_iface_for_p2ps = 1;
+ p2p_set_intended_addr(wpa_s->global->p2p,
+ wpa_s->pending_interface_addr);
+ }
+ }
+
+ return conncap;
+}
+
+
static int wpas_p2p_group_delete(struct wpa_supplicant *wpa_s,
enum p2p_group_removal_reason removal_reason)
{
(ssid && ssid->mode == WPAS_MODE_INFRA)) {
wpa_s->reassociate = 0;
wpa_s->disconnected = 1;
- wpa_supplicant_deauthenticate(wpa_s,
- WLAN_REASON_DEAUTH_LEAVING);
gtype = "client";
} else
gtype = "GO";
+
+ if (removal_reason != P2P_GROUP_REMOVAL_SILENT && ssid)
+ wpas_notify_p2p_group_removed(wpa_s, ssid, gtype);
+
+ if (os_strcmp(gtype, "client") == 0) {
+ wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
+ if (eloop_is_timeout_registered(wpas_p2p_psk_failure_removal,
+ wpa_s, NULL)) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: PSK failure removal was scheduled, so use PSK failure as reason for group removal");
+ removal_reason = P2P_GROUP_REMOVAL_PSK_FAILURE;
+ eloop_cancel_timeout(wpas_p2p_psk_failure_removal,
+ wpa_s, NULL);
+ }
+ }
+
if (wpa_s->cross_connect_in_use) {
wpa_s->cross_connect_in_use = 0;
- wpa_msg_global(wpa_s->parent, MSG_INFO,
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
wpa_s->ifname, wpa_s->cross_connect_uplink);
}
break;
}
if (removal_reason != P2P_GROUP_REMOVAL_SILENT) {
- wpa_msg_global(wpa_s->parent, MSG_INFO,
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
P2P_EVENT_GROUP_REMOVED "%s %s%s",
wpa_s->ifname, gtype, reason);
}
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_s->p2pdev, NULL) > 0) {
wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group formation "
"timeout");
wpa_s->p2p_in_provisioning = 0;
+ wpas_p2p_group_formation_failed(wpa_s, 1);
}
+ wpa_s->p2p_in_invitation = 0;
+ eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_p2p_reconsider_moving_go, wpa_s, NULL);
+
/*
* Make sure wait for the first client does not remain active after the
* group has been removed.
*/
wpa_s->global->p2p_go_wait_client.sec = 0;
- 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) {
struct wpa_global *global;
char *ifname;
global = wpa_s->global;
ifname = os_strdup(wpa_s->ifname);
type = wpas_p2p_if_type(wpa_s->p2p_group_interface);
+ eloop_cancel_timeout(run_wpas_p2p_disconnect, wpa_s, NULL);
wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
wpa_s = global->ifaces;
if (wpa_s && ifname)
return 1;
}
+ /*
+ * The primary interface was used for P2P group operations, so
+ * need to reset its p2pdev.
+ */
+ wpa_s->p2pdev = wpa_s->parent;
+
if (!wpa_s->p2p_go_group_formation_completed) {
wpa_s->global->p2p_group_formation = NULL;
wpa_s->p2p_in_provisioning = 0;
os_free(wpa_s->go_params);
wpa_s->go_params = NULL;
+ os_free(wpa_s->p2p_group_common_freqs);
+ wpa_s->p2p_group_common_freqs = NULL;
+ wpa_s->p2p_group_common_freqs_num = 0;
+
wpa_s->waiting_presence_resp = 0;
wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network");
else
wpa_drv_deinit_p2p_cli(wpa_s);
+ os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
+
return 0;
}
"go_dev_addr=" MACSTR,
MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr));
- return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP;
+ return !!(group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP);
}
s->auth_alg = WPA_AUTH_ALG_OPEN;
s->key_mgmt = WPA_KEY_MGMT_PSK;
s->proto = WPA_PROTO_RSN;
- s->pairwise_cipher = WPA_CIPHER_CCMP;
+ s->pbss = ssid->pbss;
+ s->pairwise_cipher = ssid->pbss ? WPA_CIPHER_GCMP : WPA_CIPHER_CCMP;
s->export_keys = 1;
if (ssid->passphrase) {
os_free(s->passphrase);
changed = 1;
}
-#ifndef CONFIG_NO_CONFIG_WRITE
if (changed && wpa_s->conf->update_config &&
wpa_config_write(wpa_s->confname, wpa_s->conf)) {
wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
}
-#endif /* CONFIG_NO_CONFIG_WRITE */
return s->id;
}
u8 *n;
size_t i;
int found = 0;
+ struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
ssid = wpa_s->current_ssid;
if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
!ssid->p2p_persistent_group)
return;
- for (s = wpa_s->parent->conf->ssid; s; s = s->next) {
+ for (s = p2p_wpa_s->conf->ssid; s; s = s->next) {
if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO)
continue;
return;
for (i = 0; s->p2p_client_list && i < s->num_p2p_clients; i++) {
- if (os_memcmp(s->p2p_client_list + i * ETH_ALEN, addr,
+ if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN, addr,
ETH_ALEN) != 0)
continue;
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_memmove(s->p2p_client_list + i * 2 * ETH_ALEN,
+ s->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
+ (s->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
os_memcpy(s->p2p_client_list +
- (s->num_p2p_clients - 1) * ETH_ALEN, addr, ETH_ALEN);
+ (s->num_p2p_clients - 1) * 2 * ETH_ALEN, addr,
+ ETH_ALEN);
+ os_memset(s->p2p_client_list +
+ (s->num_p2p_clients - 1) * 2 * ETH_ALEN + ETH_ALEN,
+ 0xff, ETH_ALEN);
found = 1;
break;
}
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);
+ s->num_p2p_clients + 1, 2 * ETH_ALEN);
if (n == NULL)
return;
- os_memcpy(n + s->num_p2p_clients * ETH_ALEN, addr, ETH_ALEN);
+ os_memcpy(n + s->num_p2p_clients * 2 * ETH_ALEN, addr,
+ ETH_ALEN);
+ os_memset(n + s->num_p2p_clients * 2 * ETH_ALEN + ETH_ALEN,
+ 0xff, ETH_ALEN);
s->p2p_client_list = n;
s->num_p2p_clients++;
- } else if (!found) {
+ } else if (!found && s->p2p_client_list) {
/* 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);
+ s->p2p_client_list + 2 * ETH_ALEN,
+ (s->num_p2p_clients - 1) * 2 * ETH_ALEN);
os_memcpy(s->p2p_client_list +
- (s->num_p2p_clients - 1) * ETH_ALEN,
+ (s->num_p2p_clients - 1) * 2 * ETH_ALEN,
addr, ETH_ALEN);
+ os_memset(s->p2p_client_list +
+ (s->num_p2p_clients - 1) * 2 * ETH_ALEN + ETH_ALEN,
+ 0xff, ETH_ALEN);
}
-#ifndef CONFIG_NO_CONFIG_WRITE
- if (wpa_s->parent->conf->update_config &&
- wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf))
+ if (p2p_wpa_s->conf->update_config &&
+ wpa_config_write(p2p_wpa_s->confname, p2p_wpa_s->conf))
wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
-#endif /* CONFIG_NO_CONFIG_WRITE */
+}
+
+
+static void wpas_p2p_group_started(struct wpa_supplicant *wpa_s,
+ int go, struct wpa_ssid *ssid, int freq,
+ const u8 *psk, const char *passphrase,
+ const u8 *go_dev_addr, int persistent,
+ const char *extra)
+{
+ const char *ssid_txt;
+ char psk_txt[65];
+
+ if (psk)
+ wpa_snprintf_hex(psk_txt, sizeof(psk_txt), psk, 32);
+ else
+ psk_txt[0] = '\0';
+
+ if (ssid)
+ ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
+ else
+ ssid_txt = "";
+
+ if (passphrase && passphrase[0] == '\0')
+ passphrase = NULL;
+
+ /*
+ * Include PSK/passphrase only in the control interface message and
+ * leave it out from the debug log entry.
+ */
+ wpa_msg_global_ctrl(wpa_s->p2pdev, MSG_INFO,
+ P2P_EVENT_GROUP_STARTED
+ "%s %s ssid=\"%s\" freq=%d%s%s%s%s%s go_dev_addr="
+ MACSTR "%s%s",
+ wpa_s->ifname, go ? "GO" : "client", ssid_txt, freq,
+ psk ? " psk=" : "", psk_txt,
+ passphrase ? " passphrase=\"" : "",
+ passphrase ? passphrase : "",
+ passphrase ? "\"" : "",
+ MAC2STR(go_dev_addr),
+ persistent ? " [PERSISTENT]" : "", extra);
+ wpa_printf(MSG_INFO, P2P_EVENT_GROUP_STARTED
+ "%s %s ssid=\"%s\" freq=%d go_dev_addr=" MACSTR "%s%s",
+ wpa_s->ifname, go ? "GO" : "client", ssid_txt, freq,
+ MAC2STR(go_dev_addr), persistent ? " [PERSISTENT]" : "",
+ extra);
}
static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s,
- int success)
+ int success, int already_deleted)
{
struct wpa_ssid *ssid;
- const char *ssid_txt;
int client;
int persistent;
u8 go_dev_addr[ETH_ALEN];
- int network_id = -1;
/*
* This callback is likely called for the main interface. Update wpa_s
wpa_s->global->p2p_group_formation = NULL;
wpa_s->p2p_in_provisioning = 0;
}
+ wpa_s->p2p_in_invitation = 0;
+ wpa_s->group_formation_reported = 1;
if (!success) {
- wpa_msg_global(wpa_s->parent, MSG_INFO,
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
P2P_EVENT_GROUP_FORMATION_FAILURE);
+ wpas_notify_p2p_group_formation_failure(wpa_s, "");
+ if (already_deleted)
+ return;
wpas_p2p_group_delete(wpa_s,
P2P_GROUP_REMOVAL_FORMATION_FAILED);
return;
}
- wpa_msg_global(wpa_s->parent, MSG_INFO,
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
P2P_EVENT_GROUP_FORMATION_SUCCESS);
ssid = wpa_s->current_ssid;
persistent = 0;
if (ssid) {
- ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
client = ssid->mode == WPAS_MODE_INFRA;
if (ssid->mode == WPAS_MODE_P2P_GO) {
persistent = ssid->p2p_persistent_group;
ssid->ssid,
ssid->ssid_len);
} else {
- ssid_txt = "";
client = wpa_s->p2p_group_interface ==
P2P_GROUP_INTERFACE_CLIENT;
os_memset(go_dev_addr, 0, ETH_ALEN);
* packets.
*/
wpa_s->show_group_started = 1;
- } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) {
- char psk[65];
- wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
- wpa_msg_global(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, ssid_txt, ssid->frequency, psk,
- MAC2STR(go_dev_addr),
- persistent ? " [PERSISTENT]" : "");
- wpas_p2p_cross_connect_setup(wpa_s);
- wpas_p2p_set_group_idle_timeout(wpa_s);
} else {
- wpa_msg_global(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, ssid_txt,
- ssid ? ssid->frequency : 0,
- ssid && ssid->passphrase ? ssid->passphrase : "",
- MAC2STR(go_dev_addr),
- persistent ? " [PERSISTENT]" : "");
+ wpas_p2p_group_started(wpa_s, 1, ssid,
+ ssid ? ssid->frequency : 0,
+ ssid && ssid->passphrase == NULL &&
+ ssid->psk_set ? ssid->psk : NULL,
+ ssid ? ssid->passphrase : NULL,
+ go_dev_addr, persistent, "");
wpas_p2p_cross_connect_setup(wpa_s);
wpas_p2p_set_group_idle_timeout(wpa_s);
}
if (persistent)
- network_id = wpas_p2p_store_persistent_group(wpa_s->parent,
- ssid, go_dev_addr);
+ wpas_p2p_store_persistent_group(wpa_s->p2pdev,
+ ssid, go_dev_addr);
else {
os_free(wpa_s->global->add_psk);
wpa_s->global->add_psk = NULL;
}
- if (network_id < 0 && ssid)
- network_id = ssid->id;
+
if (!client) {
- wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0);
+ wpas_notify_p2p_group_started(wpa_s, ssid, persistent, 0);
os_get_reltime(&wpa_s->global->p2p_go_wait_client);
}
}
};
+static void wpas_p2p_free_send_action_work(struct wpa_supplicant *wpa_s)
+{
+ struct send_action_work *awork = wpa_s->p2p_send_action_work->ctx;
+
+ wpa_printf(MSG_DEBUG,
+ "P2P: Free Action frame radio work @%p (freq=%u dst="
+ MACSTR " src=" MACSTR " bssid=" MACSTR " wait_time=%u)",
+ wpa_s->p2p_send_action_work, awork->freq,
+ MAC2STR(awork->dst), MAC2STR(awork->src),
+ MAC2STR(awork->bssid), awork->wait_time);
+ wpa_hexdump(MSG_DEBUG, "P2P: Freeing pending Action frame",
+ awork->buf, awork->len);
+ os_free(awork);
+ wpa_s->p2p_send_action_work->ctx = NULL;
+ radio_work_done(wpa_s->p2p_send_action_work);
+ wpa_s->p2p_send_action_work = NULL;
+}
+
+
static void wpas_p2p_send_action_work_timeout(void *eloop_ctx,
void *timeout_ctx)
{
return;
wpa_printf(MSG_DEBUG, "P2P: Send Action frame radio work timed out");
- os_free(wpa_s->p2p_send_action_work->ctx);
- radio_work_done(wpa_s->p2p_send_action_work);
- wpa_s->p2p_send_action_work = NULL;
+ wpas_p2p_free_send_action_work(wpa_s);
}
-static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s,
- unsigned int freq,
- const u8 *dst, const u8 *src,
- const u8 *bssid,
- const u8 *data, size_t data_len,
- enum offchannel_send_action_result
- result)
+static void wpas_p2p_action_tx_clear(struct wpa_supplicant *wpa_s)
{
- enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS;
-
if (wpa_s->p2p_send_action_work) {
struct send_action_work *awork;
+
awork = wpa_s->p2p_send_action_work->ctx;
+ wpa_printf(MSG_DEBUG,
+ "P2P: Clear Action TX work @%p (wait_time=%u)",
+ wpa_s->p2p_send_action_work, awork->wait_time);
if (awork->wait_time == 0) {
- os_free(awork);
- radio_work_done(wpa_s->p2p_send_action_work);
- wpa_s->p2p_send_action_work = NULL;
+ wpas_p2p_free_send_action_work(wpa_s);
} else {
/*
* In theory, this should not be needed, but number of
wpa_s, NULL);
}
}
+}
+
+
+static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s,
+ unsigned int freq,
+ const u8 *dst, const u8 *src,
+ const u8 *bssid,
+ const u8 *data, size_t data_len,
+ enum offchannel_send_action_result
+ result)
+{
+ enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS;
+
+ wpas_p2p_action_tx_clear(wpa_s);
if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
return;
wpa_s->pending_pd_before_join = 0;
wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No ACK for PD Req "
"during p2p_connect-auto");
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
+ P2P_EVENT_FALLBACK_TO_GO_NEG
+ "reason=no-ACK-to-PD-Req");
wpas_p2p_fallback_to_go_neg(wpa_s, 0);
return;
}
struct send_action_work *awork = work->ctx;
if (deinit) {
+ if (work->started) {
+ eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
+ wpa_s, NULL);
+ wpa_s->p2p_send_action_work = NULL;
+ offchannel_send_action_done(wpa_s);
+ }
os_free(awork);
return;
}
static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
struct p2p_go_neg_results *res)
{
+ wpa_s->group_formation_reported = 0;
wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR
- " dev_addr " MACSTR,
+ " dev_addr " MACSTR " wps_method %d",
MAC2STR(res->peer_interface_addr),
- MAC2STR(res->peer_device_addr));
+ MAC2STR(res->peer_device_addr), res->wps_method);
wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
res->ssid, res->ssid_len);
wpa_supplicant_ap_deinit(wpa_s);
} else if (res->wps_method == WPS_NFC) {
wpas_wps_start_nfc(wpa_s, res->peer_device_addr,
res->peer_interface_addr,
- wpa_s->parent->p2p_oob_dev_pw,
- wpa_s->parent->p2p_oob_dev_pw_id, 1,
- wpa_s->parent->p2p_oob_dev_pw_id ==
+ wpa_s->p2pdev->p2p_oob_dev_pw,
+ wpa_s->p2pdev->p2p_oob_dev_pw_id, 1,
+ wpa_s->p2pdev->p2p_oob_dev_pw_id ==
DEV_PW_NFC_CONNECTION_HANDOVER ?
- wpa_s->parent->p2p_peer_oob_pubkey_hash :
+ wpa_s->p2pdev->p2p_peer_oob_pubkey_hash :
NULL,
- NULL, 0);
+ NULL, 0, 0);
#endif /* CONFIG_WPS_NFC */
} else {
u16 dev_pw_id = DEV_PW_DEFAULT;
+ if (wpa_s->p2p_wps_method == WPS_P2PS)
+ dev_pw_id = DEV_PW_P2PS_DEFAULT;
if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED;
wpas_wps_start_pin(wpa_s, res->peer_interface_addr,
if (!wpa_s->ap_iface)
return;
- persistent = wpas_p2p_get_persistent(wpa_s->parent, NULL, ssid->ssid,
+ persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, NULL, ssid->ssid,
ssid->ssid_len);
if (persistent == NULL)
return;
}
+static void p2p_go_dump_common_freqs(struct wpa_supplicant *wpa_s)
+{
+ unsigned int i;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Common group frequencies (len=%u):",
+ wpa_s->p2p_group_common_freqs_num);
+
+ for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++)
+ wpa_dbg(wpa_s, MSG_DEBUG, "freq[%u]: %d",
+ i, wpa_s->p2p_group_common_freqs[i]);
+}
+
+
+static void p2p_go_save_group_common_freqs(struct wpa_supplicant *wpa_s,
+ struct p2p_go_neg_results *params)
+{
+ unsigned int i, len = int_array_len(wpa_s->go_params->freq_list);
+
+ wpa_s->p2p_group_common_freqs_num = 0;
+ os_free(wpa_s->p2p_group_common_freqs);
+ wpa_s->p2p_group_common_freqs = os_calloc(len, sizeof(int));
+ if (!wpa_s->p2p_group_common_freqs)
+ return;
+
+ for (i = 0; i < len; i++) {
+ if (!wpa_s->go_params->freq_list[i])
+ break;
+ wpa_s->p2p_group_common_freqs[i] =
+ wpa_s->go_params->freq_list[i];
+ }
+ wpa_s->p2p_group_common_freqs_num = i;
+}
+
+
+static void p2p_config_write(struct wpa_supplicant *wpa_s)
+{
+#ifndef CONFIG_NO_CONFIG_WRITE
+ if (wpa_s->p2pdev->conf->update_config &&
+ wpa_config_write(wpa_s->p2pdev->confname, wpa_s->p2pdev->conf))
+ wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
+#endif /* CONFIG_NO_CONFIG_WRITE */
+}
+
+
static void p2p_go_configured(void *ctx, void *data)
{
struct wpa_supplicant *wpa_s = ctx;
struct p2p_go_neg_results *params = data;
struct wpa_ssid *ssid;
- int network_id = -1;
+
+ wpa_s->ap_configured_cb = NULL;
+ wpa_s->ap_configured_cb_ctx = NULL;
+ wpa_s->ap_configured_cb_data = NULL;
+ if (!wpa_s->go_params) {
+ wpa_printf(MSG_ERROR,
+ "P2P: p2p_go_configured() called with wpa_s->go_params == NULL");
+ return;
+ }
+
+ p2p_go_save_group_common_freqs(wpa_s, params);
+ p2p_go_dump_common_freqs(wpa_s);
ssid = wpa_s->current_ssid;
if (ssid && ssid->mode == WPAS_MODE_P2P_GO) {
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;
- if (os_strlen(params->passphrase) > 0) {
- wpa_msg_global(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_global(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]" : "");
+ wpas_p2p_group_started(wpa_s, 1, ssid, ssid->frequency,
+ params->passphrase[0] == '\0' ?
+ params->psk : NULL,
+ params->passphrase,
+ wpa_s->global->p2p_dev_addr,
+ params->persistent_group, "");
+ wpa_s->group_formation_reported = 1;
+
+ if (wpa_s->p2pdev->p2ps_method_config_any) {
+ if (is_zero_ether_addr(wpa_s->p2pdev->p2ps_join_addr)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2PS: Setting default PIN for ANY");
+ wpa_supplicant_ap_wps_pin(wpa_s, NULL,
+ "12345670", NULL, 0,
+ 0);
+ } else {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2PS: Setting default PIN for " MACSTR,
+ MAC2STR(wpa_s->p2pdev->p2ps_join_addr));
+ wpa_supplicant_ap_wps_pin(
+ wpa_s, wpa_s->p2pdev->p2ps_join_addr,
+ "12345670", NULL, 0, 0);
+ }
+ wpa_s->p2pdev->p2ps_method_config_any = 0;
}
os_get_reltime(&wpa_s->global->p2p_go_wait_client);
if (params->persistent_group) {
- network_id = wpas_p2p_store_persistent_group(
- wpa_s->parent, ssid,
+ wpas_p2p_store_persistent_group(
+ wpa_s->p2pdev, ssid,
wpa_s->global->p2p_dev_addr);
wpas_p2p_add_psk_list(wpa_s, ssid);
}
- if (network_id < 0)
- network_id = ssid->id;
- wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0);
+
+ wpas_notify_p2p_group_started(wpa_s, ssid,
+ params->persistent_group, 0);
wpas_p2p_cross_connect_setup(wpa_s);
wpas_p2p_set_group_idle_timeout(wpa_s);
wpa_s->p2p_go_group_formation_completed = 0;
wpa_s->global->p2p_group_formation = wpa_s;
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
eloop_register_timeout(
wpa_s->p2p_first_connection_timeout, 0,
wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
}
return;
params->peer_device_addr);
#ifdef CONFIG_WPS_NFC
} else if (params->wps_method == WPS_NFC) {
- if (wpa_s->parent->p2p_oob_dev_pw_id !=
+ if (wpa_s->p2pdev->p2p_oob_dev_pw_id !=
DEV_PW_NFC_CONNECTION_HANDOVER &&
- !wpa_s->parent->p2p_oob_dev_pw) {
+ !wpa_s->p2pdev->p2p_oob_dev_pw) {
wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known");
return;
}
wpas_ap_wps_add_nfc_pw(
- wpa_s, wpa_s->parent->p2p_oob_dev_pw_id,
- wpa_s->parent->p2p_oob_dev_pw,
- wpa_s->parent->p2p_peer_oob_pk_hash_known ?
- wpa_s->parent->p2p_peer_oob_pubkey_hash : NULL);
+ wpa_s, wpa_s->p2pdev->p2p_oob_dev_pw_id,
+ wpa_s->p2pdev->p2p_oob_dev_pw,
+ wpa_s->p2pdev->p2p_peer_oob_pk_hash_known ?
+ wpa_s->p2pdev->p2p_peer_oob_pubkey_hash : NULL);
#endif /* CONFIG_WPS_NFC */
} else if (wpa_s->p2p_pin[0])
wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
}
wpa_s->show_group_started = 0;
+ wpa_s->p2p_go_group_formation_completed = 0;
+ wpa_s->group_formation_reported = 0;
+ os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
wpa_config_set_network_defaults(ssid);
ssid->temporary = 1;
ssid->frequency = params->freq;
ssid->ht40 = params->ht40;
ssid->vht = params->vht;
+ ssid->max_oper_chwidth = params->max_oper_chwidth;
+ ssid->vht_center_freq2 = params->vht_center_freq2;
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->group_cipher = WPA_CIPHER_CCMP;
+ if (params->freq > 56160) {
+ /*
+ * Enable GCMP instead of CCMP as pairwise_cipher and
+ * group_cipher in 60 GHz.
+ */
+ ssid->pairwise_cipher = WPA_CIPHER_GCMP;
+ ssid->group_cipher = WPA_CIPHER_GCMP;
+ /* P2P GO in 60 GHz is always a PCP (PBSS) */
+ ssid->pbss = 1;
+ }
if (os_strlen(params->passphrase) > 0) {
ssid->passphrase = os_strdup(params->passphrase);
if (ssid->passphrase == NULL) {
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;
+ ssid->ap_max_inactivity = wpa_s->p2pdev->conf->p2p_go_max_inactivity;
wpa_s->ap_configured_cb = p2p_go_configured;
wpa_s->ap_configured_cb_ctx = wpa_s;
wpa_s->ap_configured_cb_data = wpa_s->go_params;
+ wpa_s->scan_req = NORMAL_SCAN_REQ;
wpa_s->connect_without_scan = ssid;
wpa_s->reassociate = 1;
wpa_s->disconnected = 0;
d = dst->conf;
s = src->conf;
-#define C(n) if (s->n) d->n = os_strdup(s->n)
+#define C(n) \
+do { \
+ if (s->n && !d->n) \
+ d->n = os_strdup(s->n); \
+} while (0)
+
C(device_name);
C(manufacturer);
C(model_name);
d->num_sec_device_types = s->num_sec_device_types;
d->p2p_group_idle = s->p2p_group_idle;
+ d->p2p_go_freq_change_policy = s->p2p_go_freq_change_policy;
d->p2p_intra_bss = s->p2p_intra_bss;
d->persistent_reconnect = s->persistent_reconnect;
d->max_num_sta = s->max_num_sta;
d->ignore_old_scan_res = s->ignore_old_scan_res;
d->beacon_int = s->beacon_int;
d->dtim_period = s->dtim_period;
+ d->p2p_go_ctwindow = s->p2p_go_ctwindow;
d->disassoc_low_ack = s->disassoc_low_ack;
d->disable_scan_offload = s->disable_scan_offload;
+ d->passive_scan = s->passive_scan;
- if (s->wps_nfc_dh_privkey && s->wps_nfc_dh_pubkey) {
+ if (s->wps_nfc_dh_privkey && s->wps_nfc_dh_pubkey &&
+ !d->wps_nfc_pw_from_config) {
+ wpabuf_free(d->wps_nfc_dh_privkey);
+ wpabuf_free(d->wps_nfc_dh_pubkey);
d->wps_nfc_dh_privkey = wpabuf_dup(s->wps_nfc_dh_privkey);
d->wps_nfc_dh_pubkey = wpabuf_dup(s->wps_nfc_dh_pubkey);
}
+ d->p2p_cli_probe = s->p2p_cli_probe;
}
os_snprintf(ifname, len, "p2p-%s-%d", ifname_ptr, wpa_s->p2p_group_idx);
if (os_strlen(ifname) >= IFNAMSIZ &&
os_strlen(wpa_s->ifname) < IFNAMSIZ) {
+ int res;
+
/* Try to avoid going over the IFNAMSIZ length limit */
- os_snprintf(ifname, len, "p2p-%d", wpa_s->p2p_group_idx);
+ res = os_snprintf(ifname, len, "p2p-%d", wpa_s->p2p_group_idx);
+ if (os_snprintf_error(len, res) && len)
+ ifname[len - 1] = '\0';
}
}
wpa_s->pending_interface_name);
os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
wpa_s->pending_interface_name[0] = '\0';
+ wpa_s->global->pending_group_iface_for_p2ps = 0;
}
else
iface.ctrl_interface = wpa_s->conf->ctrl_interface;
iface.driver_param = wpa_s->conf->driver_param;
- group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface);
+ group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s);
if (group_wpa_s == NULL) {
wpa_printf(MSG_ERROR, "P2P: Failed to create new "
"wpa_supplicant interface");
return NULL;
}
wpa_s->pending_interface_name[0] = '\0';
- group_wpa_s->parent = wpa_s;
group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO :
P2P_GROUP_INTERFACE_CLIENT;
wpa_s->global->p2p_group_formation = group_wpa_s;
+ wpa_s->global->pending_group_iface_for_p2ps = 0;
wpas_p2p_clone_config(group_wpa_s, wpa_s);
{
struct wpa_supplicant *wpa_s = eloop_ctx;
wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out");
- wpas_p2p_group_formation_failed(wpa_s);
+ wpas_p2p_group_formation_failed(wpa_s, 0);
}
-void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s)
+static void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s,
+ int already_deleted)
{
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
if (wpa_s->global->p2p)
p2p_group_formation_failed(wpa_s->global->p2p);
- wpas_group_formation_completed(wpa_s, 0);
+ wpas_group_formation_completed(wpa_s, 0, already_deleted);
}
{
wpa_printf(MSG_DEBUG, "P2P: Reject group formation due to WPS provisioning failure");
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
wpa_s->global->p2p_fail_on_wps_complete = 0;
}
return;
/* Speed up group formation timeout since this cannot succeed */
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
}
static void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
{
struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_supplicant *group_wpa_s;
if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
wpa_drv_cancel_remain_on_channel(wpa_s);
return;
}
+ if (!res->role_go) {
+ /* Inform driver of the operating channel of GO. */
+ wpa_drv_set_prob_oper_freq(wpa_s, res->freq);
+ }
+
if (wpa_s->p2p_go_ht40)
res->ht40 = 1;
if (wpa_s->p2p_go_vht)
res->vht = 1;
+ res->max_oper_chwidth = wpa_s->p2p_go_max_oper_chwidth;
+ res->vht_center_freq2 = wpa_s->p2p_go_vht_center_freq2;
wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS "role=%s "
"freq=%d ht40=%d peer_dev=" MACSTR " peer_iface=" MACSTR
}
if (wpa_s->create_p2p_iface) {
- struct wpa_supplicant *group_wpa_s =
+ group_wpa_s =
wpas_p2p_init_group_interface(wpa_s, res->role_go);
if (group_wpa_s == NULL) {
wpas_p2p_remove_pending_group_interface(wpa_s);
+ eloop_cancel_timeout(wpas_p2p_long_listen_timeout,
+ wpa_s, NULL);
+ wpas_p2p_group_formation_failed(wpa_s, 1);
return;
}
- if (group_wpa_s != wpa_s) {
- os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
- sizeof(group_wpa_s->p2p_pin));
- group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
- }
os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
wpa_s->pending_interface_name[0] = '\0';
- group_wpa_s->p2p_in_provisioning = 1;
-
- if (res->role_go)
- wpas_start_wps_go(group_wpa_s, res, 1);
- else
- wpas_start_wps_enrollee(group_wpa_s, res);
} else {
- wpa_s->p2p_in_provisioning = 1;
- wpa_s->global->p2p_group_formation = wpa_s;
+ group_wpa_s = wpa_s->parent;
+ wpa_s->global->p2p_group_formation = group_wpa_s;
+ if (group_wpa_s != wpa_s)
+ wpas_p2p_clone_config(group_wpa_s, wpa_s);
+ }
- if (res->role_go)
- wpas_start_wps_go(wpa_s, res, 1);
- else
- wpas_start_wps_enrollee(ctx, res);
+ group_wpa_s->p2p_in_provisioning = 1;
+ group_wpa_s->p2pdev = wpa_s;
+ if (group_wpa_s != wpa_s) {
+ os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
+ sizeof(group_wpa_s->p2p_pin));
+ group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
+ }
+ if (res->role_go) {
+ wpas_start_wps_go(group_wpa_s, res, 1);
+ } else {
+ os_get_reltime(&group_wpa_s->scan_min_time);
+ wpas_start_wps_enrollee(group_wpa_s, res);
}
wpa_s->p2p_long_listen = 0;
}
-static void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id)
+static void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id,
+ u8 go_intent)
{
struct wpa_supplicant *wpa_s = ctx;
wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR
- " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id);
+ " dev_passwd_id=%u go_intent=%u", MAC2STR(src),
+ dev_passwd_id, go_intent);
- wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
+ wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id, go_intent);
}
WFD_SUBELEM_DEVICE_INFO);
#endif /* CONFIG_WIFI_DISPLAY */
+ if (info->p2ps_instance) {
+ char str[256];
+ const u8 *buf = wpabuf_head(info->p2ps_instance);
+ size_t len = wpabuf_len(info->p2ps_instance);
+
+ while (len) {
+ u32 id;
+ u16 methods;
+ u8 str_len;
+
+ if (len < 4 + 2 + 1)
+ break;
+ id = WPA_GET_LE32(buf);
+ buf += sizeof(u32);
+ methods = WPA_GET_BE16(buf);
+ buf += sizeof(u16);
+ str_len = *buf++;
+ if (str_len > len - 4 - 2 - 1)
+ break;
+ os_memcpy(str, buf, str_len);
+ str[str_len] = '\0';
+ buf += str_len;
+ len -= str_len + sizeof(u32) + sizeof(u16) + sizeof(u8);
+
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_DEVICE_FOUND MACSTR
+ " p2p_dev_addr=" MACSTR
+ " pri_dev_type=%s name='%s'"
+ " config_methods=0x%x"
+ " dev_capab=0x%x"
+ " group_capab=0x%x"
+ " adv_id=%x asp_svc=%s%s",
+ MAC2STR(addr),
+ MAC2STR(info->p2p_device_addr),
+ wps_dev_type_bin2str(
+ info->pri_dev_type,
+ devtype, sizeof(devtype)),
+ info->device_name, methods,
+ info->dev_capab, info->group_capab,
+ id, str,
+ info->vendor_elems ?
+ " vendor_elems=1" : "");
+ }
+ goto done;
+ }
+
wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR
" p2p_dev_addr=" MACSTR
" pri_dev_type=%s name='%s' config_methods=0x%x "
- "dev_capab=0x%x group_capab=0x%x%s%s",
+ "dev_capab=0x%x group_capab=0x%x%s%s%s new=%d",
MAC2STR(addr), MAC2STR(info->p2p_device_addr),
wps_dev_type_bin2str(info->pri_dev_type, devtype,
sizeof(devtype)),
info->device_name, info->config_methods,
info->dev_capab, info->group_capab,
wfd_dev_info_hex ? " wfd_dev_info=0x" : "",
- wfd_dev_info_hex ? wfd_dev_info_hex : "");
-#endif /* CONFIG_NO_STDOUT_DEBUG */
+ wfd_dev_info_hex ? wfd_dev_info_hex : "",
+ info->vendor_elems ? " vendor_elems=1" : "",
+ new_device);
+done:
os_free(wfd_dev_info_hex);
+#endif /* CONFIG_NO_STDOUT_DEBUG */
wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device);
}
static void wpas_find_stopped(void *ctx)
{
struct wpa_supplicant *wpa_s = ctx;
+
+ if (wpa_s->p2p_scan_work && wpas_abort_ongoing_scan(wpa_s) < 0)
+ wpa_printf(MSG_DEBUG, "P2P: Abort ongoing scan failed");
+
wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_FIND_STOPPED);
+ wpas_notify_p2p_find_stopped(wpa_s);
}
{
struct wpa_supplicant *wpa_s = work->wpa_s;
struct wpas_p2p_listen_work *lwork = work->ctx;
+ unsigned int duration;
if (deinit) {
+ if (work->started) {
+ wpa_s->p2p_listen_work = NULL;
+ wpas_stop_listen(wpa_s);
+ }
wpas_p2p_listen_work_free(lwork);
return;
}
wpa_s->pending_listen_freq = lwork->freq;
wpa_s->pending_listen_duration = lwork->duration;
- if (wpa_drv_remain_on_channel(wpa_s, lwork->freq, lwork->duration) < 0)
- {
+ duration = lwork->duration;
+#ifdef CONFIG_TESTING_OPTIONS
+ if (wpa_s->extra_roc_dur) {
+ wpa_printf(MSG_DEBUG, "TESTING: Increase ROC duration %u -> %u",
+ duration, duration + wpa_s->extra_roc_dur);
+ duration += wpa_s->extra_roc_dur;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+
+ if (wpa_drv_remain_on_channel(wpa_s, lwork->freq, duration) < 0) {
wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
"to remain on channel (%u MHz) for Listen "
"state", lwork->freq);
wpa_s->roc_waiting_drv_freq = 0;
}
wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL);
- wpa_drv_probe_req_report(wpa_s, 0);
+
+ /*
+ * Don't cancel Probe Request RX reporting for a connected P2P Client
+ * handling Probe Request frames.
+ */
+ if (!wpa_s->p2p_cli_probe)
+ wpa_drv_probe_req_report(wpa_s, 0);
+
wpas_p2p_listen_work_done(wpa_s);
}
-static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf)
+static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf,
+ unsigned int freq)
{
struct wpa_supplicant *wpa_s = ctx;
- return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1);
+ return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1,
+ freq);
}
-/*
- * 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
+static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
+ const u8 *peer, const char *params,
+ unsigned int generated_pin)
+{
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
+ " %08d%s", MAC2STR(peer), generated_pin, params);
+}
-/*
- * 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)
+static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
+ const u8 *peer, const char *params)
{
- while (*spos < end) {
- u8 val = ((*spos)[0] & 0xc0) >> 6;
- int len;
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
+ "%s", MAC2STR(peer), params);
+}
- 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;
+static void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
+ const u8 *dev_addr, const u8 *pri_dev_type,
+ const char *dev_name, u16 supp_config_methods,
+ u8 dev_capab, u8 group_capab, const u8 *group_id,
+ size_t group_id_len)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ char devtype[WPS_DEV_TYPE_BUFSIZE];
+ char params[300];
+ u8 empty_dev_type[8];
+ unsigned int generated_pin = 0;
+ struct wpa_supplicant *group = NULL;
+ int res;
- /* Offset */
- if (*spos + 2 > end) {
- wpa_printf(MSG_DEBUG, "P2P: No room for full "
- "DNS offset field");
- return -1;
- }
+ if (group_id) {
+ for (group = wpa_s->global->ifaces; group; group = group->next)
+ {
+ struct wpa_ssid *s = group->current_ssid;
+ if (s != NULL &&
+ s->mode == WPAS_MODE_P2P_GO &&
+ group_id_len - ETH_ALEN == s->ssid_len &&
+ os_memcmp(group_id + ETH_ALEN, s->ssid,
+ s->ssid_len) == 0)
+ break;
+ }
+ }
- offset = (((*spos)[0] & 0x3f) << 8) | (*spos)[1];
- if (offset >= *spos - start) {
- wpa_printf(MSG_DEBUG, "P2P: Invalid DNS "
- "pointer offset %u", offset);
- return -1;
- }
+ if (pri_dev_type == NULL) {
+ os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
+ pri_dev_type = empty_dev_type;
+ }
+ res = os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
+ " pri_dev_type=%s name='%s' config_methods=0x%x "
+ "dev_capab=0x%x group_capab=0x%x%s%s",
+ MAC2STR(dev_addr),
+ wps_dev_type_bin2str(pri_dev_type, devtype,
+ sizeof(devtype)),
+ dev_name, supp_config_methods, dev_capab, group_capab,
+ group ? " group=" : "",
+ group ? group->ifname : "");
+ if (os_snprintf_error(sizeof(params), res))
+ wpa_printf(MSG_DEBUG, "P2P: PD Request event truncated");
+ params[sizeof(params) - 1] = '\0';
- (*spos) += 2;
- spos_tmp = start + offset;
- return p2p_sd_dns_uncompress_label(upos, uend, start,
- &spos_tmp,
- *spos - 2);
+ if (config_methods & WPS_CONFIG_DISPLAY) {
+ if (wps_generate_pin(&generated_pin) < 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Could not generate PIN");
+ wpas_notify_p2p_provision_discovery(
+ wpa_s, peer, 0 /* response */,
+ P2P_PROV_DISC_INFO_UNAVAILABLE, 0, 0);
+ return;
}
+ wpas_prov_disc_local_display(wpa_s, peer, params,
+ generated_pin);
+ } else if (config_methods & WPS_CONFIG_KEYPAD)
+ wpas_prov_disc_local_keypad(wpa_s, peer, params);
+ else if (config_methods & WPS_CONFIG_PUSHBUTTON)
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ
+ MACSTR "%s", MAC2STR(peer), params);
- /* Label */
- len = (*spos)[0] & 0x3f;
- if (len == 0)
- return 0;
+ wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */,
+ P2P_PROV_DISC_SUCCESS,
+ config_methods, generated_pin);
+}
- (*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;
+static void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ unsigned int generated_pin = 0;
+ char params[20];
- os_memcpy(*upos, *spos, len);
- *spos += len;
- *upos += len;
- (*upos)[0] = '.';
- (*upos)++;
- (*upos)[0] = '\0';
+ if (wpa_s->pending_pd_before_join &&
+ (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
+ os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
+ wpa_s->pending_pd_before_join = 0;
+ wpa_printf(MSG_DEBUG, "P2P: Starting pending "
+ "join-existing-group operation");
+ wpas_p2p_join_start(wpa_s, 0, NULL, 0);
+ return;
}
- return 0;
-}
+ if (wpa_s->pending_pd_use == AUTO_PD_JOIN ||
+ wpa_s->pending_pd_use == AUTO_PD_GO_NEG) {
+ int res;
+ res = os_snprintf(params, sizeof(params), " peer_go=%d",
+ wpa_s->pending_pd_use == AUTO_PD_JOIN);
+ if (os_snprintf_error(sizeof(params), res))
+ params[sizeof(params) - 1] = '\0';
+ } else
+ params[0] = '\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 (config_methods & WPS_CONFIG_DISPLAY)
+ wpas_prov_disc_local_keypad(wpa_s, peer, params);
+ else if (config_methods & WPS_CONFIG_KEYPAD) {
+ if (wps_generate_pin(&generated_pin) < 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Could not generate PIN");
+ wpas_notify_p2p_provision_discovery(
+ wpa_s, peer, 0 /* response */,
+ P2P_PROV_DISC_INFO_UNAVAILABLE, 0, 0);
+ return;
+ }
+ wpas_prov_disc_local_display(wpa_s, peer, params,
+ generated_pin);
+ } else if (config_methods & WPS_CONFIG_PUSHBUTTON)
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP
+ MACSTR "%s", MAC2STR(peer), params);
- if (buf_len < 2)
- return -1;
- if (offset > msg_len)
- return -1;
+ wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
+ P2P_PROV_DISC_SUCCESS,
+ config_methods, generated_pin);
+}
- 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);
+static void wpas_prov_disc_fail(void *ctx, const u8 *peer,
+ enum p2p_prov_disc_status status,
+ u32 adv_id, const u8 *adv_mac,
+ const char *deferred_session_resp)
+{
+ struct wpa_supplicant *wpa_s = ctx;
- upos = buf;
- uend = buf + buf_len;
+ 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");
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
+ P2P_EVENT_FALLBACK_TO_GO_NEG
+ "reason=PD-failed");
+ wpas_p2p_fallback_to_go_neg(wpa_s, 0);
+ return;
+ }
- ret = p2p_sd_dns_uncompress_label(&upos, uend, tmp, &spos, end);
- if (ret) {
- os_free(tmp);
- return ret;
+ 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, 0, NULL, 0);
+ return;
}
- if (upos == buf) {
- upos[0] = '.';
- upos[1] = '\0';
- } else if (upos[-1] == '.')
- upos[-1] = '\0';
+ if (adv_id && adv_mac && deferred_session_resp) {
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
+ " p2p_dev_addr=" MACSTR " status=%d adv_id=%x"
+ " deferred_session_resp='%s'",
+ MAC2STR(peer), status, adv_id,
+ deferred_session_resp);
+ } else if (adv_id && adv_mac) {
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
+ " p2p_dev_addr=" MACSTR " status=%d adv_id=%x",
+ MAC2STR(peer), status, adv_id);
+ } else {
+ wpa_msg_global(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);
+}
- os_free(tmp);
+
+static int freq_included(struct wpa_supplicant *wpa_s,
+ const struct p2p_channels *channels,
+ unsigned int freq)
+{
+ if ((channels == NULL || p2p_channels_includes_freq(channels, freq)) &&
+ wpas_p2p_go_is_peer_freq(wpa_s, freq))
+ return 1;
return 0;
}
-static struct p2p_srv_bonjour *
-wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s,
- const struct wpabuf *query)
+static void wpas_p2p_go_update_common_freqs(struct wpa_supplicant *wpa_s)
{
- struct p2p_srv_bonjour *bsrv;
- size_t len;
+ unsigned int num = P2P_MAX_CHANNELS;
+ int *common_freqs;
+ int ret;
+
+ p2p_go_dump_common_freqs(wpa_s);
+ common_freqs = os_calloc(num, sizeof(int));
+ if (!common_freqs)
+ return;
- len = wpabuf_len(query);
- dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
- struct p2p_srv_bonjour, list) {
- if (len == wpabuf_len(bsrv->query) &&
- os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query),
- len) == 0)
- return bsrv;
+ ret = p2p_group_get_common_freqs(wpa_s->p2p_group, common_freqs, &num);
+ if (ret < 0) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Failed to get group common freqs");
+ os_free(common_freqs);
+ return;
}
- return NULL;
+
+ os_free(wpa_s->p2p_group_common_freqs);
+ wpa_s->p2p_group_common_freqs = common_freqs;
+ wpa_s->p2p_group_common_freqs_num = num;
+ p2p_go_dump_common_freqs(wpa_s);
}
-static struct p2p_srv_upnp *
-wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version,
- const char *service)
+/*
+ * Check if the given frequency is one of the possible operating frequencies
+ * set after the completion of the GO Negotiation.
+ */
+static int wpas_p2p_go_is_peer_freq(struct wpa_supplicant *wpa_s, int freq)
{
- struct p2p_srv_upnp *usrv;
+ unsigned int i;
+
+ p2p_go_dump_common_freqs(wpa_s);
+
+ /* assume no restrictions */
+ if (!wpa_s->p2p_group_common_freqs_num)
+ return 1;
- dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
- struct p2p_srv_upnp, list) {
- if (version == usrv->version &&
- os_strcmp(service, usrv->service) == 0)
- return usrv;
+ for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) {
+ if (wpa_s->p2p_group_common_freqs[i] == freq)
+ return 1;
}
- return NULL;
+ return 0;
}
-static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto,
- u8 srv_trans_id)
+static int wpas_sta_check_ecsa(struct hostapd_data *hapd,
+ struct sta_info *sta, void *ctx)
{
- u8 *len_pos;
+ int *ecsa_support = ctx;
- if (wpabuf_tailroom(resp) < 5)
- return;
+ *ecsa_support &= sta->ecsa_supported;
- /* Length (to be filled) */
- len_pos = wpabuf_put(resp, 2);
- wpabuf_put_u8(resp, srv_proto);
- wpabuf_put_u8(resp, srv_trans_id);
- /* Status Code */
- wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE);
- /* Response Data: empty */
- WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
+ return 0;
}
-static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s,
- struct wpabuf *resp, u8 srv_trans_id)
+/* Check if all the peers support eCSA */
+static int wpas_p2p_go_clients_support_ecsa(struct wpa_supplicant *wpa_s)
{
- struct p2p_srv_bonjour *bsrv;
- u8 *len_pos;
+ int ecsa_support = 1;
- wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services");
+ ap_for_each_sta(wpa_s->ap_iface->bss[0], wpas_sta_check_ecsa,
+ &ecsa_support);
- if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
- wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
- return;
- }
+ return ecsa_support;
+}
- dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
- struct p2p_srv_bonjour, list) {
- if (wpabuf_tailroom(resp) <
- 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp))
- 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_SUCCESS);
- wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
- wpabuf_head(bsrv->resp),
- 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);
- }
-}
-
-
-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;
- u8 *len_pos;
- int matches = 0;
-
- wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour",
- query, query_len);
- if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
- wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
- wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR,
- srv_trans_id);
- return;
- }
-
- if (query_len == 0) {
- wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
- return;
- }
-
- 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));
+/**
+ * Pick the best frequency to use from all the currently used frequencies.
+ */
+static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant *wpa_s,
+ struct wpa_used_freq_data *freqs,
+ unsigned int num)
+{
+ unsigned int i, c;
- /* Response Data */
- wpabuf_put_data(resp, query, query_len); /* Key */
- wpabuf_put_buf(resp, bsrv->resp); /* Value */
+ /* find a candidate freq that is supported by P2P */
+ for (c = 0; c < num; c++)
+ if (p2p_supported_freq(wpa_s->global->p2p, freqs[c].freq))
+ break;
- WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
- }
+ if (c == num)
+ return 0;
- if (matches == 0) {
- wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not "
- "available");
- if (wpabuf_tailroom(resp) < 5)
- return;
+ /* once we have a candidate, try to find a 'better' one */
+ for (i = c + 1; i < num; i++) {
+ if (!p2p_supported_freq(wpa_s->global->p2p, freqs[i].freq))
+ continue;
- /* Length (to be filled) */
- len_pos = wpabuf_put(resp, 2);
- wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
- wpabuf_put_u8(resp, srv_trans_id);
+ /*
+ * 1. Infrastructure station interfaces have higher preference.
+ * 2. P2P Clients have higher preference.
+ * 3. All others.
+ */
+ if (freqs[i].flags & WPA_FREQ_USED_BY_INFRA_STATION) {
+ c = i;
+ break;
+ }
- /* 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);
+ if ((freqs[i].flags & WPA_FREQ_USED_BY_P2P_CLIENT))
+ c = i;
}
+ return freqs[c].freq;
}
-static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s,
- struct wpabuf *resp, u8 srv_trans_id)
+static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
+ const u8 *go_dev_addr, const u8 *ssid,
+ size_t ssid_len, int *go, u8 *group_bssid,
+ int *force_freq, int persistent_group,
+ const struct p2p_channels *channels,
+ int dev_pw_id)
{
- struct p2p_srv_upnp *usrv;
- u8 *len_pos;
-
- wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services");
-
- if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
- wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
- return;
- }
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *s;
+ struct wpa_used_freq_data *freqs;
+ struct wpa_supplicant *grp;
+ int best_freq;
- dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
- struct p2p_srv_upnp, list) {
- if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service))
- return;
+ if (!persistent_group) {
+ wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
+ " to join an active group (SSID: %s)",
+ MAC2STR(sa), wpa_ssid_txt(ssid, ssid_len));
+ if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
+ (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
+ == 0 ||
+ os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
+ wpa_printf(MSG_DEBUG, "P2P: Accept previously "
+ "authorized invitation");
+ goto accept_inv;
+ }
- /* Length (to be filled) */
- len_pos = wpabuf_put(resp, 2);
- wpabuf_put_u8(resp, P2P_SERV_UPNP);
- wpabuf_put_u8(resp, srv_trans_id);
+#ifdef CONFIG_WPS_NFC
+ if (dev_pw_id >= 0 && wpa_s->p2p_nfc_tag_enabled &&
+ dev_pw_id == wpa_s->p2p_oob_dev_pw_id) {
+ wpa_printf(MSG_DEBUG, "P2P: Accept invitation based on local enabled NFC Tag");
+ wpa_s->p2p_wps_method = WPS_NFC;
+ wpa_s->pending_join_wps_method = WPS_NFC;
+ os_memcpy(wpa_s->pending_join_dev_addr,
+ go_dev_addr, ETH_ALEN);
+ os_memcpy(wpa_s->pending_join_iface_addr,
+ bssid, ETH_ALEN);
+ goto accept_inv;
+ }
+#endif /* CONFIG_WPS_NFC */
- /* Status Code */
- wpabuf_put_u8(resp, P2P_SD_SUCCESS);
- /* Response Data */
- wpabuf_put_u8(resp, usrv->version);
- wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
- usrv->service);
- wpabuf_put_str(resp, usrv->service);
- WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
- 2);
+ /*
+ * Do not accept the invitation automatically; notify user and
+ * request approval.
+ */
+ return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
}
-}
-
-static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s,
- struct wpabuf *resp, u8 srv_trans_id,
- const u8 *query, size_t query_len)
-{
- struct p2p_srv_upnp *usrv;
- u8 *len_pos;
- u8 version;
- char *str;
- int count = 0;
+ grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go);
+ if (grp) {
+ wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already "
+ "running persistent group");
+ if (*go)
+ os_memcpy(group_bssid, grp->own_addr, ETH_ALEN);
+ goto accept_inv;
+ }
- wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP",
- query, query_len);
+ if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
+ os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Accept previously initiated "
+ "invitation to re-invoke a persistent group");
+ os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
+ } else if (!wpa_s->conf->persistent_reconnect)
+ return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
- if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
- wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
- wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP,
- srv_trans_id);
- return;
+ for (s = wpa_s->conf->ssid; s; s = s->next) {
+ if (s->disabled == 2 &&
+ os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
+ s->ssid_len == ssid_len &&
+ os_memcmp(ssid, s->ssid, ssid_len) == 0)
+ break;
}
- if (query_len == 0) {
- wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
- return;
+ if (!s) {
+ wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
+ " requested reinvocation of an unknown group",
+ MAC2STR(sa));
+ return P2P_SC_FAIL_UNKNOWN_GROUP;
}
- if (wpabuf_tailroom(resp) < 5)
- return;
-
- /* Length (to be filled) */
- len_pos = wpabuf_put(resp, 2);
- wpabuf_put_u8(resp, P2P_SERV_UPNP);
- wpabuf_put_u8(resp, srv_trans_id);
-
- version = query[0];
- str = os_malloc(query_len);
- if (str == NULL)
- return;
- os_memcpy(str, query + 1, query_len - 1);
- str[query_len - 1] = '\0';
-
- dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
- struct p2p_srv_upnp, list) {
- if (version != usrv->version)
- continue;
+ if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
+ *go = 1;
+ if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
+ wpa_printf(MSG_DEBUG, "P2P: The only available "
+ "interface is already in use - reject "
+ "invitation");
+ return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
+ }
+ if (wpa_s->p2p_mgmt)
+ os_memcpy(group_bssid, wpa_s->parent->own_addr,
+ ETH_ALEN);
+ else
+ os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
+ } else if (s->mode == WPAS_MODE_P2P_GO) {
+ *go = 1;
+ if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
+ {
+ wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
+ "interface address for the group");
+ return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
+ }
+ os_memcpy(group_bssid, wpa_s->pending_interface_addr,
+ ETH_ALEN);
+ }
- if (os_strcmp(str, "ssdp:all") != 0 &&
- os_strstr(usrv->service, str) == NULL)
- continue;
+accept_inv:
+ wpas_p2p_set_own_freq_preference(wpa_s, 0);
- if (wpabuf_tailroom(resp) < 2)
- break;
- if (count == 0) {
- /* Status Code */
- wpabuf_put_u8(resp, P2P_SD_SUCCESS);
- /* Response Data */
- wpabuf_put_u8(resp, version);
- } else
- wpabuf_put_u8(resp, ',');
+ best_freq = 0;
+ freqs = os_calloc(wpa_s->num_multichan_concurrent,
+ sizeof(struct wpa_used_freq_data));
+ if (freqs) {
+ int num_channels = wpa_s->num_multichan_concurrent;
+ int num = wpas_p2p_valid_oper_freqs(wpa_s, freqs, num_channels);
+ best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
+ os_free(freqs);
+ }
- count++;
+ /* Get one of the frequencies currently in use */
+ if (best_freq > 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Trying to prefer a channel already used by one of the interfaces");
+ wpas_p2p_set_own_freq_preference(wpa_s, best_freq);
- wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
- usrv->service);
- if (wpabuf_tailroom(resp) < os_strlen(usrv->service))
- break;
- wpabuf_put_str(resp, usrv->service);
+ if (wpa_s->num_multichan_concurrent < 2 ||
+ wpas_p2p_num_unused_channels(wpa_s) < 1) {
+ wpa_printf(MSG_DEBUG, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces");
+ *force_freq = best_freq;
+ }
}
- os_free(str);
- if (count == 0) {
- wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not "
- "available");
- /* Status Code */
- wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
- /* Response Data: empty */
+ if (*force_freq > 0 && wpa_s->num_multichan_concurrent > 1 &&
+ wpas_p2p_num_unused_channels(wpa_s) > 0) {
+ if (*go == 0) {
+ /* We are the client */
+ wpa_printf(MSG_DEBUG, "P2P: Peer was found to be "
+ "running a GO but we are capable of MCC, "
+ "figure out the best channel to use");
+ *force_freq = 0;
+ } else if (!freq_included(wpa_s, channels, *force_freq)) {
+ /* We are the GO, and *force_freq is not in the
+ * intersection */
+ wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not "
+ "in intersection but we are capable of MCC, "
+ "figure out the best channel to use",
+ *force_freq);
+ *force_freq = 0;
+ }
}
- WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
+ return P2P_SC_SUCCESS;
}
-#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)
+static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
+ const u8 *ssid, size_t ssid_len,
+ const u8 *go_dev_addr, u8 status,
+ int op_freq)
{
- const u8 *pos;
- u8 role;
- u8 *len_pos;
-
- wpa_hexdump(MSG_DEBUG, "P2P: SD Request for WFD", query, query_len);
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *s;
- 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;
+ for (s = wpa_s->conf->ssid; s; s = s->next) {
+ if (s->disabled == 2 &&
+ s->ssid_len == ssid_len &&
+ os_memcmp(ssid, s->ssid, ssid_len) == 0)
+ break;
}
- if (query_len < 1) {
- wpa_printf(MSG_DEBUG, "P2P: Missing WFD Requested Device "
- "Role");
+ if (status == P2P_SC_SUCCESS) {
+ wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
+ " was accepted; op_freq=%d MHz, SSID=%s",
+ MAC2STR(sa), op_freq, wpa_ssid_txt(ssid, ssid_len));
+ if (s) {
+ int go = s->mode == WPAS_MODE_P2P_GO;
+ if (go) {
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_INVITATION_ACCEPTED
+ "sa=" MACSTR
+ " persistent=%d freq=%d",
+ MAC2STR(sa), s->id, op_freq);
+ } else {
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_INVITATION_ACCEPTED
+ "sa=" MACSTR
+ " persistent=%d",
+ MAC2STR(sa), s->id);
+ }
+ wpas_p2p_group_add_persistent(
+ wpa_s, s, go, 0, op_freq, 0, 0, 0, 0, NULL,
+ go ? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0,
+ 1);
+ } else if (bssid) {
+ wpa_s->user_initiated_pd = 0;
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_INVITATION_ACCEPTED
+ "sa=" MACSTR " go_dev_addr=" MACSTR
+ " bssid=" MACSTR " unknown-network",
+ MAC2STR(sa), MAC2STR(go_dev_addr),
+ MAC2STR(bssid));
+ wpas_p2p_join(wpa_s, bssid, go_dev_addr,
+ wpa_s->p2p_wps_method, 0, op_freq,
+ ssid, ssid_len);
+ }
return;
}
- if (wpabuf_tailroom(resp) < 5)
+ if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
+ wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
+ " was rejected (status %u)", MAC2STR(sa), status);
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]);
+ if (!s) {
+ if (bssid) {
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_INVITATION_RECEIVED
+ "sa=" MACSTR " go_dev_addr=" MACSTR
+ " bssid=" MACSTR " unknown-network",
+ MAC2STR(sa), MAC2STR(go_dev_addr),
+ MAC2STR(bssid));
+ } else {
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_INVITATION_RECEIVED
+ "sa=" MACSTR " go_dev_addr=" MACSTR
+ " unknown-network",
+ MAC2STR(sa), MAC2STR(go_dev_addr));
}
- pos++;
+ wpas_notify_p2p_invitation_received(wpa_s, sa, go_dev_addr,
+ bssid, 0, op_freq);
+ return;
}
- WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
+ if (s->mode == WPAS_MODE_P2P_GO && op_freq) {
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
+ "sa=" MACSTR " persistent=%d freq=%d",
+ MAC2STR(sa), s->id, op_freq);
+ } else {
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
+ "sa=" MACSTR " persistent=%d",
+ MAC2STR(sa), s->id);
+ }
+ wpas_notify_p2p_invitation_received(wpa_s, sa, go_dev_addr, bssid,
+ s->id, op_freq);
}
-#endif /* CONFIG_WIFI_DISPLAY */
-static void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token,
- u16 update_indic, const u8 *tlvs, size_t tlvs_len)
+static void wpas_remove_persistent_peer(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid,
+ const u8 *peer, int inv)
{
- struct wpa_supplicant *wpa_s = ctx;
- const u8 *pos = tlvs;
- const u8 *end = tlvs + tlvs_len;
- const u8 *tlv_end;
- u16 slen;
- struct wpabuf *resp;
- u8 srv_proto, srv_trans_id;
- size_t buf_len;
- char *buf;
-
- wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs",
- tlvs, tlvs_len);
- buf_len = 2 * tlvs_len + 1;
- buf = os_malloc(buf_len);
- if (buf) {
- wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
- wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d "
- MACSTR " %u %u %s",
- freq, MAC2STR(sa), dialog_token, update_indic,
- buf);
- os_free(buf);
- }
-
- if (wpa_s->p2p_sd_over_ctrl_iface) {
- wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token,
- update_indic, tlvs, tlvs_len);
- return; /* to be processed by an external program */
- }
-
- resp = wpabuf_alloc(10000);
- if (resp == NULL)
+ size_t i;
+ struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+ if (ssid == NULL)
return;
- while (pos + 1 < end) {
- wpa_printf(MSG_DEBUG, "P2P: Service Request TLV");
- slen = WPA_GET_LE16(pos);
- pos += 2;
- if (pos + slen > end || slen < 2) {
- wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data "
- "length");
- wpabuf_free(resp);
- return;
- }
- tlv_end = pos + slen;
-
- srv_proto = *pos++;
- wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
- srv_proto);
- srv_trans_id = *pos++;
- wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
- srv_trans_id);
-
- wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data",
- pos, tlv_end - pos);
-
-
- if (wpa_s->force_long_sd) {
- wpa_printf(MSG_DEBUG, "P2P: SD test - force long "
- "response");
- wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
- wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
- goto done;
- }
-
- switch (srv_proto) {
- case P2P_SERV_ALL_SERVICES:
- wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request "
- "for all services");
- if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) &&
- dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
- wpa_printf(MSG_DEBUG, "P2P: No service "
- "discovery protocols available");
- wpas_sd_add_proto_not_avail(
- resp, P2P_SERV_ALL_SERVICES,
- srv_trans_id);
- break;
- }
- wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
- wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
- break;
- case P2P_SERV_BONJOUR:
- wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id,
- pos, tlv_end - pos);
- break;
- case P2P_SERV_UPNP:
- 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);
- wpas_sd_add_proto_not_avail(resp, srv_proto,
- srv_trans_id);
+ for (i = 0; ssid->p2p_client_list && i < ssid->num_p2p_clients; i++) {
+ if (os_memcmp(ssid->p2p_client_list + i * 2 * ETH_ALEN, peer,
+ ETH_ALEN) == 0)
break;
+ }
+ if (i >= ssid->num_p2p_clients || !ssid->p2p_client_list) {
+ if (ssid->mode != WPAS_MODE_P2P_GO &&
+ os_memcmp(ssid->bssid, peer, ETH_ALEN) == 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Remove persistent group %d "
+ "due to invitation result", ssid->id);
+ wpas_notify_network_removed(wpa_s, ssid);
+ wpa_config_remove_network(wpa_s->conf, ssid->id);
+ return;
}
-
- pos = tlv_end;
+ return; /* Peer not found in client list */
}
-done:
- wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token,
- update_indic, tlvs, tlvs_len);
-
- wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp);
-
- wpabuf_free(resp);
+ wpa_printf(MSG_DEBUG, "P2P: Remove peer " MACSTR " from persistent "
+ "group %d client list%s",
+ MAC2STR(peer), ssid->id,
+ inv ? " due to invitation result" : "");
+ os_memmove(ssid->p2p_client_list + i * 2 * ETH_ALEN,
+ ssid->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
+ (ssid->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
+ ssid->num_p2p_clients--;
+ if (p2p_wpa_s->conf->update_config &&
+ wpa_config_write(p2p_wpa_s->confname, p2p_wpa_s->conf))
+ wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
}
-static void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic,
- const u8 *tlvs, size_t tlvs_len)
+static void wpas_remove_persistent_client(struct wpa_supplicant *wpa_s,
+ const u8 *peer)
{
- struct wpa_supplicant *wpa_s = ctx;
- const u8 *pos = tlvs;
- const u8 *end = tlvs + tlvs_len;
- const u8 *tlv_end;
- u16 slen;
- size_t buf_len;
- char *buf;
-
- wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs",
- tlvs, tlvs_len);
- if (tlvs_len > 1500) {
- /* TODO: better way for handling this */
- wpa_msg_ctrl(wpa_s, MSG_INFO,
- P2P_EVENT_SERV_DISC_RESP MACSTR
- " %u <long response: %u bytes>",
- MAC2STR(sa), update_indic,
- (unsigned int) tlvs_len);
- } else {
- buf_len = 2 * tlvs_len + 1;
- buf = os_malloc(buf_len);
- if (buf) {
- wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
- wpa_msg_ctrl(wpa_s, MSG_INFO,
- P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s",
- MAC2STR(sa), update_indic, buf);
- os_free(buf);
- }
- }
-
- while (pos < end) {
- u8 srv_proto, srv_trans_id, status;
-
- wpa_printf(MSG_DEBUG, "P2P: Service Response TLV");
- slen = WPA_GET_LE16(pos);
- pos += 2;
- if (pos + slen > end || slen < 3) {
- wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data "
- "length");
- return;
+ struct wpa_ssid *ssid;
+
+ wpa_s = wpa_s->global->p2p_invite_group;
+ if (wpa_s == NULL)
+ return; /* No known invitation group */
+ ssid = wpa_s->current_ssid;
+ if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
+ !ssid->p2p_persistent_group)
+ return; /* Not operating as a GO in persistent group */
+ ssid = wpas_p2p_get_persistent(wpa_s->p2pdev, peer,
+ ssid->ssid, ssid->ssid_len);
+ wpas_remove_persistent_peer(wpa_s, ssid, peer, 1);
+}
+
+
+static void wpas_invitation_result(void *ctx, int status, const u8 *bssid,
+ const struct p2p_channels *channels,
+ const u8 *peer, int neg_freq,
+ int peer_oper_freq)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *ssid;
+ int freq;
+
+ if (bssid) {
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
+ "status=%d " MACSTR,
+ status, MAC2STR(bssid));
+ } else {
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
+ "status=%d ", status);
+ }
+ wpas_notify_p2p_invitation_result(wpa_s, status, bssid);
+
+ wpa_printf(MSG_DEBUG, "P2P: Invitation result - status=%d peer=" MACSTR,
+ status, MAC2STR(peer));
+ if (wpa_s->pending_invite_ssid_id == -1) {
+ struct wpa_supplicant *group_if =
+ wpa_s->global->p2p_invite_group;
+
+ if (status == P2P_SC_FAIL_UNKNOWN_GROUP)
+ wpas_remove_persistent_client(wpa_s, peer);
+
+ /*
+ * Invitation to an active group. If this is successful and we
+ * are the GO, set the client wait to postpone some concurrent
+ * operations and to allow provisioning and connection to happen
+ * more quickly.
+ */
+ if (status == P2P_SC_SUCCESS &&
+ group_if && group_if->current_ssid &&
+ group_if->current_ssid->mode == WPAS_MODE_P2P_GO) {
+ os_get_reltime(&wpa_s->global->p2p_go_wait_client);
+#ifdef CONFIG_TESTING_OPTIONS
+ if (group_if->p2p_go_csa_on_inv) {
+ wpa_printf(MSG_DEBUG,
+ "Testing: force P2P GO CSA after invitation");
+ eloop_cancel_timeout(
+ wpas_p2p_reconsider_moving_go,
+ wpa_s, NULL);
+ eloop_register_timeout(
+ 0, 50000,
+ wpas_p2p_reconsider_moving_go,
+ wpa_s, NULL);
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
}
- tlv_end = pos + slen;
+ return;
+ }
- srv_proto = *pos++;
- wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
- srv_proto);
- srv_trans_id = *pos++;
- wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
- srv_trans_id);
- status = *pos++;
- wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u",
- status);
+ if (status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
+ wpa_printf(MSG_DEBUG, "P2P: Waiting for peer to start another "
+ "invitation exchange to indicate readiness for "
+ "re-invocation");
+ }
- wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data",
- pos, tlv_end - pos);
+ if (status != P2P_SC_SUCCESS) {
+ if (status == P2P_SC_FAIL_UNKNOWN_GROUP) {
+ ssid = wpa_config_get_network(
+ wpa_s->conf, wpa_s->pending_invite_ssid_id);
+ wpas_remove_persistent_peer(wpa_s, ssid, peer, 1);
+ }
+ wpas_p2p_remove_pending_group_interface(wpa_s);
+ return;
+ }
- pos = tlv_end;
+ ssid = wpa_config_get_network(wpa_s->conf,
+ wpa_s->pending_invite_ssid_id);
+ if (ssid == NULL) {
+ wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
+ "data matching with invitation");
+ return;
}
- wpas_notify_p2p_sd_response(wpa_s, sa, update_indic, tlvs, tlvs_len);
-}
+ /*
+ * 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);
+ if (neg_freq > 0 && ssid->mode == WPAS_MODE_P2P_GO &&
+ freq_included(wpa_s, channels, neg_freq))
+ freq = neg_freq;
+ else if (peer_oper_freq > 0 && ssid->mode != WPAS_MODE_P2P_GO &&
+ freq_included(wpa_s, channels, peer_oper_freq))
+ freq = peer_oper_freq;
+ else
+ freq = 0;
-u64 wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst,
- const struct wpabuf *tlvs)
-{
- if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
- return 0;
- return (uintptr_t) p2p_sd_request(wpa_s->global->p2p, dst, tlvs);
+ wpa_printf(MSG_DEBUG, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s",
+ freq, wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
+ wpas_p2p_group_add_persistent(wpa_s, ssid,
+ ssid->mode == WPAS_MODE_P2P_GO,
+ wpa_s->p2p_persistent_go_freq,
+ freq,
+ wpa_s->p2p_go_vht_center_freq2,
+ wpa_s->p2p_go_ht40, wpa_s->p2p_go_vht,
+ wpa_s->p2p_go_max_oper_chwidth,
+ channels,
+ ssid->mode == WPAS_MODE_P2P_GO ?
+ P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
+ 0, 1);
}
-u64 wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst,
- u8 version, const char *query)
+static int wpas_p2p_disallowed_freq(struct wpa_global *global,
+ unsigned int freq)
{
- struct wpabuf *tlvs;
- u64 ret;
-
- tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query));
- if (tlvs == NULL)
- return 0;
- wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query));
- wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */
- wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */
- wpabuf_put_u8(tlvs, version);
- wpabuf_put_str(tlvs, query);
- ret = wpas_p2p_sd_request(wpa_s, dst, tlvs);
- wpabuf_free(tlvs);
- return ret;
+ if (freq_range_list_includes(&global->p2p_go_avoid_freq, freq))
+ return 1;
+ return freq_range_list_includes(&global->p2p_disallow_freq, freq);
}
-#ifdef CONFIG_WIFI_DISPLAY
-
-static u64 wpas_p2p_sd_request_wfd(struct wpa_supplicant *wpa_s, const u8 *dst,
- const struct wpabuf *tlvs)
+static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan)
{
- 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);
+ reg->channel[reg->channels] = chan;
+ reg->channels++;
}
-#define MAX_WFD_SD_SUBELEMS 20
-
-static void wfd_add_sd_req_role(struct wpabuf *tlvs, u8 id, u8 role,
- const char *subelems)
+static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
+ struct p2p_channels *chan,
+ struct p2p_channels *cli_chan)
{
- u8 *len;
- const char *pos;
- int val;
- int count = 0;
+ int i, cla = 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 */
+ wpa_s->global->p2p_24ghz_social_channels = 1;
- wpabuf_put_u8(tlvs, role);
+ os_memset(cli_chan, 0, sizeof(*cli_chan));
- 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_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
+ "band");
- WPA_PUT_LE16(len, (u8 *) wpabuf_put(tlvs, 0) - len - 2);
-}
+ /* Operating class 81 - 2.4 GHz band channels 1..13 */
+ chan->reg_class[cla].reg_class = 81;
+ chan->reg_class[cla].channels = 0;
+ for (i = 0; i < 11; i++) {
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5))
+ wpas_p2p_add_chan(&chan->reg_class[cla], i + 1);
+ }
+ if (chan->reg_class[cla].channels)
+ cla++;
+ wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
+ "band");
-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;
+ /* Operating class 115 - 5 GHz, channels 36-48 */
+ chan->reg_class[cla].reg_class = 115;
+ chan->reg_class[cla].channels = 0;
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5))
+ wpas_p2p_add_chan(&chan->reg_class[cla], 36);
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5))
+ wpas_p2p_add_chan(&chan->reg_class[cla], 40);
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5))
+ wpas_p2p_add_chan(&chan->reg_class[cla], 44);
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5))
+ wpas_p2p_add_chan(&chan->reg_class[cla], 48);
+ if (chan->reg_class[cla].channels)
+ cla++;
- subelems = os_strchr(role, ' ');
- if (subelems == NULL)
- return 0;
- subelems++;
+ wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
+ "band");
- tlvs = wpabuf_alloc(4 * (2 + 1 + 1 + 1 + MAX_WFD_SD_SUBELEMS));
- if (tlvs == NULL)
- return 0;
+ /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
+ chan->reg_class[cla].reg_class = 124;
+ chan->reg_class[cla].channels = 0;
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5))
+ wpas_p2p_add_chan(&chan->reg_class[cla], 149);
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5))
+ wpas_p2p_add_chan(&chan->reg_class[cla], 153);
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5))
+ wpas_p2p_add_chan(&chan->reg_class[cla], 157);
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5))
+ wpas_p2p_add_chan(&chan->reg_class[cla], 161);
+ if (chan->reg_class[cla].channels)
+ cla++;
- 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;
+ chan->reg_classes = cla;
+ return 0;
}
-#endif /* CONFIG_WIFI_DISPLAY */
+enum chan_allowed {
+ NOT_ALLOWED, NO_IR, ALLOWED
+};
-int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, u64 req)
+static int has_channel(struct wpa_global *global,
+ struct hostapd_hw_modes *mode, u8 chan, int *flags)
{
- if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
- return -1;
- return p2p_sd_cancel_request(wpa_s->global->p2p,
- (void *) (uintptr_t) req);
-}
+ int i;
+ unsigned int freq;
+
+ freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) +
+ chan * 5;
+ if (wpas_p2p_disallowed_freq(global, freq))
+ return NOT_ALLOWED;
+ for (i = 0; i < mode->num_channels; i++) {
+ if (mode->channels[i].chan == chan) {
+ if (flags)
+ *flags = mode->channels[i].flag;
+ if (mode->channels[i].flag &
+ (HOSTAPD_CHAN_DISABLED |
+ HOSTAPD_CHAN_RADAR))
+ return NOT_ALLOWED;
+ if (mode->channels[i].flag & HOSTAPD_CHAN_NO_IR)
+ return NO_IR;
+ return ALLOWED;
+ }
+ }
-void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq,
- const u8 *dst, u8 dialog_token,
- const struct wpabuf *resp_tlvs)
-{
- if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
- return;
- p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token,
- resp_tlvs);
+ return NOT_ALLOWED;
}
-void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s)
+static int wpas_p2p_get_center_80mhz(struct wpa_supplicant *wpa_s,
+ struct hostapd_hw_modes *mode,
+ u8 channel)
{
- if (wpa_s->global->p2p)
- p2p_sd_service_update(wpa_s->global->p2p);
-}
+ u8 center_channels[] = { 42, 58, 106, 122, 138, 155 };
+ unsigned int i;
+ if (mode->mode != HOSTAPD_MODE_IEEE80211A)
+ return 0;
-static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv)
-{
- dl_list_del(&bsrv->list);
- wpabuf_free(bsrv->query);
- wpabuf_free(bsrv->resp);
- os_free(bsrv);
+ for (i = 0; i < ARRAY_SIZE(center_channels); i++)
+ /*
+ * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
+ * so the center channel is 6 channels away from the start/end.
+ */
+ if (channel >= center_channels[i] - 6 &&
+ channel <= center_channels[i] + 6)
+ return center_channels[i];
+
+ return 0;
}
-static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv)
+static enum chan_allowed wpas_p2p_verify_80mhz(struct wpa_supplicant *wpa_s,
+ struct hostapd_hw_modes *mode,
+ u8 channel, u8 bw)
{
- dl_list_del(&usrv->list);
- os_free(usrv->service);
- os_free(usrv);
-}
+ u8 center_chan;
+ int i, flags;
+ enum chan_allowed res, ret = ALLOWED;
+ center_chan = wpas_p2p_get_center_80mhz(wpa_s, mode, channel);
+ if (!center_chan)
+ return NOT_ALLOWED;
+ if (center_chan >= 58 && center_chan <= 138)
+ return NOT_ALLOWED; /* Do not allow DFS channels for P2P */
-void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s)
-{
- struct p2p_srv_bonjour *bsrv, *bn;
- struct p2p_srv_upnp *usrv, *un;
+ /* check all the channels are available */
+ for (i = 0; i < 4; i++) {
+ int adj_chan = center_chan - 6 + i * 4;
- dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour,
- struct p2p_srv_bonjour, list)
- wpas_p2p_srv_bonjour_free(bsrv);
+ res = has_channel(wpa_s->global, mode, adj_chan, &flags);
+ if (res == NOT_ALLOWED)
+ return NOT_ALLOWED;
+ if (res == NO_IR)
+ ret = NO_IR;
- dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp,
- struct p2p_srv_upnp, list)
- wpas_p2p_srv_upnp_free(usrv);
+ if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_70))
+ return NOT_ALLOWED;
+ if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_50))
+ return NOT_ALLOWED;
+ if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_30))
+ return NOT_ALLOWED;
+ if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_10))
+ return NOT_ALLOWED;
+ }
- wpas_p2p_sd_service_update(wpa_s);
+ return ret;
}
-int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
- struct wpabuf *query, struct wpabuf *resp)
+static int wpas_p2p_get_center_160mhz(struct wpa_supplicant *wpa_s,
+ struct hostapd_hw_modes *mode,
+ u8 channel)
{
- struct p2p_srv_bonjour *bsrv;
+ u8 center_channels[] = { 50, 114 };
+ unsigned int i;
- bsrv = os_zalloc(sizeof(*bsrv));
- if (bsrv == NULL)
- return -1;
- bsrv->query = query;
- bsrv->resp = resp;
- dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list);
+ if (mode->mode != HOSTAPD_MODE_IEEE80211A)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(center_channels); i++)
+ /*
+ * In 160 MHz, the bandwidth "spans" 28 channels (e.g., 36-64),
+ * so the center channel is 14 channels away from the start/end.
+ */
+ if (channel >= center_channels[i] - 14 &&
+ channel <= center_channels[i] + 14)
+ return center_channels[i];
- wpas_p2p_sd_service_update(wpa_s);
return 0;
}
-int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s,
- const struct wpabuf *query)
+static enum chan_allowed wpas_p2p_verify_160mhz(struct wpa_supplicant *wpa_s,
+ struct hostapd_hw_modes *mode,
+ u8 channel, u8 bw)
{
- struct p2p_srv_bonjour *bsrv;
-
- bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
- if (bsrv == NULL)
- return -1;
- wpas_p2p_srv_bonjour_free(bsrv);
- wpas_p2p_sd_service_update(wpa_s);
- return 0;
-}
+ u8 center_chan;
+ int i, flags;
+ enum chan_allowed res, ret = ALLOWED;
+ center_chan = wpas_p2p_get_center_160mhz(wpa_s, mode, channel);
+ if (!center_chan)
+ return NOT_ALLOWED;
+ /* VHT 160 MHz uses DFS channels in most countries. */
-int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
- const char *service)
-{
- struct p2p_srv_upnp *usrv;
+ /* Check all the channels are available */
+ for (i = 0; i < 8; i++) {
+ int adj_chan = center_chan - 14 + i * 4;
- if (wpas_p2p_service_get_upnp(wpa_s, version, service))
- return 0; /* Already listed */
- usrv = os_zalloc(sizeof(*usrv));
- if (usrv == NULL)
- return -1;
- usrv->version = version;
- usrv->service = os_strdup(service);
- if (usrv->service == NULL) {
- os_free(usrv);
- return -1;
+ res = has_channel(wpa_s->global, mode, adj_chan, &flags);
+ if (res == NOT_ALLOWED)
+ return NOT_ALLOWED;
+
+ if (res == NO_IR)
+ ret = NO_IR;
+
+ if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_150))
+ return NOT_ALLOWED;
+ if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_130))
+ return NOT_ALLOWED;
+ if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_110))
+ return NOT_ALLOWED;
+ if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_90))
+ return NOT_ALLOWED;
+ if (i == 4 && !(flags & HOSTAPD_CHAN_VHT_90_70))
+ return NOT_ALLOWED;
+ if (i == 5 && !(flags & HOSTAPD_CHAN_VHT_110_50))
+ return NOT_ALLOWED;
+ if (i == 6 && !(flags & HOSTAPD_CHAN_VHT_130_30))
+ return NOT_ALLOWED;
+ if (i == 7 && !(flags & HOSTAPD_CHAN_VHT_150_10))
+ return NOT_ALLOWED;
}
- dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list);
- wpas_p2p_sd_service_update(wpa_s);
- return 0;
+ return ret;
}
-int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
- const char *service)
+static enum chan_allowed wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s,
+ struct hostapd_hw_modes *mode,
+ u8 channel, u8 bw)
{
- struct p2p_srv_upnp *usrv;
+ int flag = 0;
+ enum chan_allowed res, res2;
- usrv = wpas_p2p_service_get_upnp(wpa_s, version, service);
- if (usrv == NULL)
- return -1;
- wpas_p2p_srv_upnp_free(usrv);
- wpas_p2p_sd_service_update(wpa_s);
- return 0;
+ res2 = res = has_channel(wpa_s->global, mode, channel, &flag);
+ if (bw == BW40MINUS) {
+ if (!(flag & HOSTAPD_CHAN_HT40MINUS))
+ return NOT_ALLOWED;
+ res2 = has_channel(wpa_s->global, mode, channel - 4, NULL);
+ } else if (bw == BW40PLUS) {
+ if (!(flag & HOSTAPD_CHAN_HT40PLUS))
+ return NOT_ALLOWED;
+ res2 = has_channel(wpa_s->global, mode, channel + 4, NULL);
+ } else if (bw == BW80) {
+ res2 = wpas_p2p_verify_80mhz(wpa_s, mode, channel, bw);
+ } else if (bw == BW160) {
+ res2 = wpas_p2p_verify_160mhz(wpa_s, mode, channel, bw);
+ }
+
+ if (res == NOT_ALLOWED || res2 == NOT_ALLOWED)
+ return NOT_ALLOWED;
+ if (res == NO_IR || res2 == NO_IR)
+ return NO_IR;
+ return res;
}
-static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
- const u8 *peer, const char *params,
- unsigned int generated_pin)
+static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
+ struct p2p_channels *chan,
+ struct p2p_channels *cli_chan)
{
- wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
- " %08d%s", MAC2STR(peer), generated_pin, params);
-}
+ struct hostapd_hw_modes *mode;
+ int cla, op, cli_cla;
+ if (wpa_s->hw.modes == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
+ "of all supported channels; assume dualband "
+ "support");
+ return wpas_p2p_default_channels(wpa_s, chan, cli_chan);
+ }
-static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
- const u8 *peer, const char *params)
-{
- wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
- "%s", MAC2STR(peer), params);
-}
+ cla = cli_cla = 0;
+ for (op = 0; global_op_class[op].op_class; op++) {
+ const struct oper_class_map *o = &global_op_class[op];
+ u8 ch;
+ struct p2p_reg_class *reg = NULL, *cli_reg = NULL;
-static void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
- const u8 *dev_addr, const u8 *pri_dev_type,
- const char *dev_name, u16 supp_config_methods,
- u8 dev_capab, u8 group_capab, const u8 *group_id,
- size_t group_id_len)
-{
- struct wpa_supplicant *wpa_s = ctx;
- char devtype[WPS_DEV_TYPE_BUFSIZE];
- char params[300];
- u8 empty_dev_type[8];
- unsigned int generated_pin = 0;
- struct wpa_supplicant *group = NULL;
+ if (o->p2p == NO_P2P_SUPP)
+ continue;
- if (group_id) {
- for (group = wpa_s->global->ifaces; group; group = group->next)
- {
- struct wpa_ssid *s = group->current_ssid;
- if (s != NULL &&
- s->mode == WPAS_MODE_P2P_GO &&
- group_id_len - ETH_ALEN == s->ssid_len &&
- os_memcmp(group_id + ETH_ALEN, s->ssid,
- s->ssid_len) == 0)
- break;
+ mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode);
+ if (mode == NULL)
+ continue;
+ if (mode->mode == HOSTAPD_MODE_IEEE80211G)
+ wpa_s->global->p2p_24ghz_social_channels = 1;
+ for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
+ enum chan_allowed res;
+ res = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
+ if (res == ALLOWED) {
+ 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++;
+ } else if (res == NO_IR &&
+ wpa_s->conf->p2p_add_cli_chan) {
+ if (cli_reg == NULL) {
+ wpa_printf(MSG_DEBUG, "P2P: Add operating class %u (client only)",
+ o->op_class);
+ cli_reg = &cli_chan->reg_class[cli_cla];
+ cli_cla++;
+ cli_reg->reg_class = o->op_class;
+ }
+ cli_reg->channel[cli_reg->channels] = ch;
+ cli_reg->channels++;
+ }
+ }
+ if (reg) {
+ wpa_hexdump(MSG_DEBUG, "P2P: Channels",
+ reg->channel, reg->channels);
+ }
+ if (cli_reg) {
+ wpa_hexdump(MSG_DEBUG, "P2P: Channels (client only)",
+ cli_reg->channel, cli_reg->channels);
}
}
- if (pri_dev_type == NULL) {
- os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
- pri_dev_type = empty_dev_type;
- }
- os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
- " pri_dev_type=%s name='%s' config_methods=0x%x "
- "dev_capab=0x%x group_capab=0x%x%s%s",
- MAC2STR(dev_addr),
- wps_dev_type_bin2str(pri_dev_type, devtype,
- sizeof(devtype)),
- dev_name, supp_config_methods, dev_capab, group_capab,
- group ? " group=" : "",
- group ? group->ifname : "");
- params[sizeof(params) - 1] = '\0';
-
- if (config_methods & WPS_CONFIG_DISPLAY) {
- generated_pin = wps_generate_pin();
- wpas_prov_disc_local_display(wpa_s, peer, params,
- generated_pin);
- } else if (config_methods & WPS_CONFIG_KEYPAD)
- wpas_prov_disc_local_keypad(wpa_s, peer, params);
- else if (config_methods & WPS_CONFIG_PUSHBUTTON)
- wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ
- MACSTR "%s", MAC2STR(peer), params);
+ chan->reg_classes = cla;
+ cli_chan->reg_classes = cli_cla;
- wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */,
- P2P_PROV_DISC_SUCCESS,
- config_methods, generated_pin);
+ return 0;
}
-static void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
+int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s,
+ struct hostapd_hw_modes *mode, u8 channel)
{
- struct wpa_supplicant *wpa_s = ctx;
- unsigned int generated_pin = 0;
- char params[20];
+ int op;
+ enum chan_allowed ret;
- if (wpa_s->pending_pd_before_join &&
- (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
- os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
- wpa_s->pending_pd_before_join = 0;
- wpa_printf(MSG_DEBUG, "P2P: Starting pending "
- "join-existing-group operation");
- wpas_p2p_join_start(wpa_s, 0, NULL, 0);
- return;
+ for (op = 0; global_op_class[op].op_class; op++) {
+ const struct oper_class_map *o = &global_op_class[op];
+ u8 ch;
+
+ if (o->p2p == NO_P2P_SUPP)
+ continue;
+
+ for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
+ if (o->mode != HOSTAPD_MODE_IEEE80211A ||
+ (o->bw != BW40PLUS && o->bw != BW40MINUS) ||
+ ch != channel)
+ continue;
+ ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
+ if (ret == ALLOWED)
+ return (o->bw == BW40MINUS) ? -1 : 1;
+ }
}
+ return 0;
+}
- 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, params);
- else if (config_methods & WPS_CONFIG_KEYPAD) {
- generated_pin = wps_generate_pin();
- wpas_prov_disc_local_display(wpa_s, peer, params,
- generated_pin);
- } else if (config_methods & WPS_CONFIG_PUSHBUTTON)
- wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP
- MACSTR "%s", MAC2STR(peer), params);
+int wpas_p2p_get_vht80_center(struct wpa_supplicant *wpa_s,
+ struct hostapd_hw_modes *mode, u8 channel)
+{
+ if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW80))
+ return 0;
- wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
- P2P_PROV_DISC_SUCCESS,
- config_methods, generated_pin);
+ return wpas_p2p_get_center_80mhz(wpa_s, mode, channel);
}
-static void wpas_prov_disc_fail(void *ctx, const u8 *peer,
- enum p2p_prov_disc_status status)
+int wpas_p2p_get_vht160_center(struct wpa_supplicant *wpa_s,
+ struct hostapd_hw_modes *mode, u8 channel)
+{
+ if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW160))
+ return 0;
+ return wpas_p2p_get_center_160mhz(wpa_s, mode, channel);
+}
+
+
+static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
+ size_t buf_len)
{
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;
+ for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
+ break;
}
+ if (wpa_s == NULL)
+ return -1;
- 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, 0, NULL, 0);
- return;
+ return wpa_drv_get_noa(wpa_s, buf, buf_len);
+}
+
+
+struct wpa_supplicant * wpas_get_p2p_go_iface(struct wpa_supplicant *wpa_s,
+ const u8 *ssid, size_t ssid_len)
+{
+ for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ struct wpa_ssid *s = wpa_s->current_ssid;
+ if (s == NULL)
+ continue;
+ if (s->mode != WPAS_MODE_P2P_GO &&
+ s->mode != WPAS_MODE_AP &&
+ s->mode != WPAS_MODE_P2P_GROUP_FORMATION)
+ continue;
+ if (s->ssid_len != ssid_len ||
+ os_memcmp(ssid, s->ssid, ssid_len) != 0)
+ continue;
+ return wpa_s;
}
- wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
- " p2p_dev_addr=" MACSTR " status=%d",
- MAC2STR(peer), status);
+ return NULL;
- wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
- status, 0, 0);
}
-static int freq_included(const struct p2p_channels *channels, unsigned int freq)
+struct wpa_supplicant * wpas_get_p2p_client_iface(struct wpa_supplicant *wpa_s,
+ const u8 *peer_dev_addr)
{
- if (channels == NULL)
- return 1; /* Assume no restrictions */
- return p2p_channels_includes_freq(channels, freq);
+ for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+ if (ssid && (ssid->mode != WPAS_MODE_INFRA || !ssid->p2p_group))
+ continue;
+ if (os_memcmp(wpa_s->go_dev_addr, peer_dev_addr, ETH_ALEN) == 0)
+ return wpa_s;
+ }
+ return NULL;
}
-static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
- const u8 *go_dev_addr, const u8 *ssid,
- size_t ssid_len, int *go, u8 *group_bssid,
- int *force_freq, int persistent_group,
- const struct p2p_channels *channels)
+static int wpas_go_connected(void *ctx, const u8 *dev_addr)
{
struct wpa_supplicant *wpa_s = ctx;
- struct wpa_ssid *s;
- int res;
- struct wpa_supplicant *grp;
- if (!persistent_group) {
- wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
- " to join an active group (SSID: %s)",
- MAC2STR(sa), wpa_ssid_txt(ssid, ssid_len));
- if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
- (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
- == 0 ||
- os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
- wpa_printf(MSG_DEBUG, "P2P: Accept previously "
- "authorized invitation");
- goto accept_inv;
- }
- /*
- * Do not accept the invitation automatically; notify user and
- * request approval.
- */
- return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
- }
-
- grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go);
- if (grp) {
- wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already "
- "running persistent group");
- if (*go)
- os_memcpy(group_bssid, grp->own_addr, ETH_ALEN);
- goto accept_inv;
- }
-
- if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
- os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0) {
- wpa_printf(MSG_DEBUG, "P2P: Accept previously initiated "
- "invitation to re-invoke a persistent group");
- } else if (!wpa_s->conf->persistent_reconnect)
- return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
-
- for (s = wpa_s->conf->ssid; s; s = s->next) {
- if (s->disabled == 2 &&
- os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
- s->ssid_len == ssid_len &&
- os_memcmp(ssid, s->ssid, ssid_len) == 0)
- break;
- }
-
- if (!s) {
- wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
- " requested reinvocation of an unknown group",
- MAC2STR(sa));
- return P2P_SC_FAIL_UNKNOWN_GROUP;
- }
-
- if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
- *go = 1;
- if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
- wpa_printf(MSG_DEBUG, "P2P: The only available "
- "interface is already in use - reject "
- "invitation");
- return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
- }
- os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
- } else if (s->mode == WPAS_MODE_P2P_GO) {
- *go = 1;
- if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
- {
- wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
- "interface address for the group");
- return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
- }
- os_memcpy(group_bssid, wpa_s->pending_interface_addr,
- ETH_ALEN);
- }
-
-accept_inv:
- wpas_p2p_set_own_freq_preference(wpa_s, 0);
-
- /* Get one of the frequencies currently in use */
- if (wpas_p2p_valid_oper_freqs(wpa_s, &res, 1) > 0) {
- wpa_printf(MSG_DEBUG, "P2P: Trying to prefer a channel already used by one of the interfaces");
- wpas_p2p_set_own_freq_preference(wpa_s, res);
-
- if (wpa_s->num_multichan_concurrent < 2 ||
- wpas_p2p_num_unused_channels(wpa_s) < 1) {
- wpa_printf(MSG_DEBUG, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces");
- *force_freq = res;
- }
- }
-
- if (*force_freq > 0 && wpa_s->num_multichan_concurrent > 1 &&
- wpas_p2p_num_unused_channels(wpa_s) > 0) {
- if (*go == 0) {
- /* We are the client */
- wpa_printf(MSG_DEBUG, "P2P: Peer was found to be "
- "running a GO but we are capable of MCC, "
- "figure out the best channel to use");
- *force_freq = 0;
- } else if (!freq_included(channels, *force_freq)) {
- /* We are the GO, and *force_freq is not in the
- * intersection */
- wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not "
- "in intersection but we are capable of MCC, "
- "figure out the best channel to use",
- *force_freq);
- *force_freq = 0;
- }
- }
-
- return P2P_SC_SUCCESS;
+ return wpas_get_p2p_client_iface(wpa_s, dev_addr) != NULL;
}
-static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
- const u8 *ssid, size_t ssid_len,
- const u8 *go_dev_addr, u8 status,
- int op_freq)
+static int wpas_is_concurrent_session_active(void *ctx)
{
struct wpa_supplicant *wpa_s = ctx;
- struct wpa_ssid *s;
-
- for (s = wpa_s->conf->ssid; s; s = s->next) {
- if (s->disabled == 2 &&
- s->ssid_len == ssid_len &&
- os_memcmp(ssid, s->ssid, ssid_len) == 0)
- break;
- }
-
- if (status == P2P_SC_SUCCESS) {
- wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
- " was accepted; op_freq=%d MHz, SSID=%s",
- MAC2STR(sa), op_freq, wpa_ssid_txt(ssid, ssid_len));
- if (s) {
- int go = s->mode == WPAS_MODE_P2P_GO;
- wpas_p2p_group_add_persistent(
- wpa_s, s, go, go ? op_freq : 0, 0, 0, NULL,
- go ? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0);
- } else if (bssid) {
- wpa_s->user_initiated_pd = 0;
- wpas_p2p_join(wpa_s, bssid, go_dev_addr,
- wpa_s->p2p_wps_method, 0, op_freq,
- ssid, ssid_len);
- }
- return;
- }
-
- if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
- wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
- " was rejected (status %u)", MAC2STR(sa), status);
- return;
- }
-
- if (!s) {
- if (bssid) {
- wpa_msg_global(wpa_s, MSG_INFO,
- P2P_EVENT_INVITATION_RECEIVED
- "sa=" MACSTR " go_dev_addr=" MACSTR
- " bssid=" MACSTR " unknown-network",
- MAC2STR(sa), MAC2STR(go_dev_addr),
- MAC2STR(bssid));
- } else {
- wpa_msg_global(wpa_s, MSG_INFO,
- P2P_EVENT_INVITATION_RECEIVED
- "sa=" MACSTR " go_dev_addr=" MACSTR
- " unknown-network",
- MAC2STR(sa), MAC2STR(go_dev_addr));
- }
- return;
- }
-
- if (s->mode == WPAS_MODE_P2P_GO && op_freq) {
- wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
- "sa=" MACSTR " persistent=%d freq=%d",
- MAC2STR(sa), s->id, op_freq);
- } else {
- wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
- "sa=" MACSTR " persistent=%d",
- MAC2STR(sa), s->id);
- }
-}
-
-
-static void wpas_remove_persistent_peer(struct wpa_supplicant *wpa_s,
- struct wpa_ssid *ssid,
- const u8 *peer, int inv)
-{
- size_t i;
-
- if (ssid == NULL)
- return;
+ struct wpa_supplicant *ifs;
- for (i = 0; ssid->p2p_client_list && i < ssid->num_p2p_clients; i++) {
- if (os_memcmp(ssid->p2p_client_list + i * ETH_ALEN, peer,
- ETH_ALEN) == 0)
- break;
- }
- if (i >= ssid->num_p2p_clients) {
- if (ssid->mode != WPAS_MODE_P2P_GO &&
- os_memcmp(ssid->bssid, peer, ETH_ALEN) == 0) {
- wpa_printf(MSG_DEBUG, "P2P: Remove persistent group %d "
- "due to invitation result", ssid->id);
- wpas_notify_network_removed(wpa_s, ssid);
- wpa_config_remove_network(wpa_s->conf, ssid->id);
- return;
- }
- return; /* Peer not found in client list */
+ for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
+ if (ifs == wpa_s)
+ continue;
+ if (ifs->wpa_state > WPA_ASSOCIATED)
+ return 1;
}
-
- wpa_printf(MSG_DEBUG, "P2P: Remove peer " MACSTR " from persistent "
- "group %d client list%s",
- MAC2STR(peer), ssid->id,
- inv ? " due to invitation result" : "");
- os_memmove(ssid->p2p_client_list + i * ETH_ALEN,
- ssid->p2p_client_list + (i + 1) * ETH_ALEN,
- (ssid->num_p2p_clients - i - 1) * ETH_ALEN);
- ssid->num_p2p_clients--;
-#ifndef CONFIG_NO_CONFIG_WRITE
- if (wpa_s->parent->conf->update_config &&
- wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf))
- wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
-#endif /* CONFIG_NO_CONFIG_WRITE */
-}
-
-
-static void wpas_remove_persistent_client(struct wpa_supplicant *wpa_s,
- const u8 *peer)
-{
- struct wpa_ssid *ssid;
-
- wpa_s = wpa_s->global->p2p_invite_group;
- if (wpa_s == NULL)
- return; /* No known invitation group */
- ssid = wpa_s->current_ssid;
- if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
- !ssid->p2p_persistent_group)
- return; /* Not operating as a GO in persistent group */
- ssid = wpas_p2p_get_persistent(wpa_s->parent, peer,
- ssid->ssid, ssid->ssid_len);
- wpas_remove_persistent_peer(wpa_s, ssid, peer, 1);
+ return 0;
}
-static void wpas_invitation_result(void *ctx, int status, const u8 *bssid,
- const struct p2p_channels *channels,
- const u8 *peer, int neg_freq)
+static void wpas_p2p_debug_print(void *ctx, int level, const char *msg)
{
struct wpa_supplicant *wpa_s = ctx;
- struct wpa_ssid *ssid;
- int freq;
-
- if (bssid) {
- wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
- "status=%d " MACSTR,
- status, MAC2STR(bssid));
- } else {
- wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
- "status=%d ", status);
- }
- wpas_notify_p2p_invitation_result(wpa_s, status, bssid);
-
- wpa_printf(MSG_DEBUG, "P2P: Invitation result - status=%d peer=" MACSTR,
- status, MAC2STR(peer));
- if (wpa_s->pending_invite_ssid_id == -1) {
- if (status == P2P_SC_FAIL_UNKNOWN_GROUP)
- wpas_remove_persistent_client(wpa_s, peer);
- return; /* Invitation to active group */
- }
-
- if (status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
- wpa_printf(MSG_DEBUG, "P2P: Waiting for peer to start another "
- "invitation exchange to indicate readiness for "
- "re-invocation");
- }
-
- if (status != P2P_SC_SUCCESS) {
- if (status == P2P_SC_FAIL_UNKNOWN_GROUP) {
- ssid = wpa_config_get_network(
- wpa_s->conf, wpa_s->pending_invite_ssid_id);
- wpas_remove_persistent_peer(wpa_s, ssid, peer, 1);
- }
- wpas_p2p_remove_pending_group_interface(wpa_s);
- return;
- }
-
- ssid = wpa_config_get_network(wpa_s->conf,
- wpa_s->pending_invite_ssid_id);
- if (ssid == NULL) {
- wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
- "data matching with invitation");
- 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);
-
- freq = wpa_s->p2p_persistent_go_freq;
- if (neg_freq > 0 && ssid->mode == WPAS_MODE_P2P_GO &&
- freq_included(channels, neg_freq)) {
- wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use frequence %d MHz from invitation for GO mode",
- neg_freq);
- freq = neg_freq;
- }
-
- wpas_p2p_group_add_persistent(wpa_s, ssid,
- ssid->mode == WPAS_MODE_P2P_GO,
- freq,
- wpa_s->p2p_go_ht40, wpa_s->p2p_go_vht,
- channels,
- ssid->mode == WPAS_MODE_P2P_GO ?
- P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
- 0);
-}
-
-
-static int wpas_p2p_disallowed_freq(struct wpa_global *global,
- unsigned int freq)
-{
- if (freq_range_list_includes(&global->p2p_go_avoid_freq, freq))
- return 1;
- return freq_range_list_includes(&global->p2p_disallow_freq, freq);
-}
-
-
-static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan)
-{
- reg->channel[reg->channels] = chan;
- reg->channels++;
+ wpa_msg_global(wpa_s, level, "P2P: %s", msg);
}
-static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
- struct p2p_channels *chan,
- struct p2p_channels *cli_chan)
+int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s,
+ const char *conf_p2p_dev)
{
- int i, cla = 0;
-
- os_memset(cli_chan, 0, sizeof(*cli_chan));
-
- wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
- "band");
+ struct wpa_interface iface;
+ struct wpa_supplicant *p2pdev_wpa_s;
+ char ifname[100];
+ char force_name[100];
+ int ret;
- /* Operating class 81 - 2.4 GHz band channels 1..13 */
- chan->reg_class[cla].reg_class = 81;
- chan->reg_class[cla].channels = 0;
- for (i = 0; i < 11; i++) {
- if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5))
- wpas_p2p_add_chan(&chan->reg_class[cla], i + 1);
+ ret = os_snprintf(ifname, sizeof(ifname), P2P_MGMT_DEVICE_PREFIX "%s",
+ wpa_s->ifname);
+ if (os_snprintf_error(sizeof(ifname), ret))
+ return -1;
+ force_name[0] = '\0';
+ wpa_s->pending_interface_type = WPA_IF_P2P_DEVICE;
+ ret = wpa_drv_if_add(wpa_s, WPA_IF_P2P_DEVICE, ifname, NULL, NULL,
+ force_name, wpa_s->pending_interface_addr, NULL);
+ if (ret < 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to create P2P Device interface");
+ return ret;
}
- if (chan->reg_class[cla].channels)
- cla++;
-
- wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
- "band");
+ os_strlcpy(wpa_s->pending_interface_name, ifname,
+ sizeof(wpa_s->pending_interface_name));
- /* Operating class 115 - 5 GHz, channels 36-48 */
- chan->reg_class[cla].reg_class = 115;
- chan->reg_class[cla].channels = 0;
- if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5))
- wpas_p2p_add_chan(&chan->reg_class[cla], 36);
- if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5))
- wpas_p2p_add_chan(&chan->reg_class[cla], 40);
- if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5))
- wpas_p2p_add_chan(&chan->reg_class[cla], 44);
- if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5))
- wpas_p2p_add_chan(&chan->reg_class[cla], 48);
- if (chan->reg_class[cla].channels)
- cla++;
+ os_memset(&iface, 0, sizeof(iface));
+ iface.p2p_mgmt = 1;
+ iface.ifname = wpa_s->pending_interface_name;
+ iface.driver = wpa_s->driver->name;
+ iface.driver_param = wpa_s->conf->driver_param;
- wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
- "band");
+ /*
+ * If a P2P Device configuration file was given, use it as the interface
+ * configuration file (instead of using parent's configuration file.
+ */
+ if (conf_p2p_dev) {
+ iface.confname = conf_p2p_dev;
+ iface.ctrl_interface = NULL;
+ } else {
+ iface.confname = wpa_s->confname;
+ iface.ctrl_interface = wpa_s->conf->ctrl_interface;
+ }
- /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
- chan->reg_class[cla].reg_class = 124;
- chan->reg_class[cla].channels = 0;
- if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5))
- wpas_p2p_add_chan(&chan->reg_class[cla], 149);
- if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5))
- wpas_p2p_add_chan(&chan->reg_class[cla], 153);
- if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5))
- wpas_p2p_add_chan(&chan->reg_class[cla], 157);
- if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5))
- wpas_p2p_add_chan(&chan->reg_class[cla], 161);
- if (chan->reg_class[cla].channels)
- cla++;
+ p2pdev_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s);
+ if (!p2pdev_wpa_s) {
+ wpa_printf(MSG_DEBUG, "P2P: Failed to add P2P Device interface");
+ return -1;
+ }
- chan->reg_classes = cla;
+ p2pdev_wpa_s->p2pdev = p2pdev_wpa_s;
+ wpa_s->pending_interface_name[0] = '\0';
return 0;
}
-static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes,
- u16 num_modes,
- enum hostapd_hw_mode mode)
+static void wpas_presence_resp(void *ctx, const u8 *src, u8 status,
+ const u8 *noa, size_t noa_len)
{
- u16 i;
+ struct wpa_supplicant *wpa_s, *intf = ctx;
+ char hex[100];
- for (i = 0; i < num_modes; i++) {
- if (modes[i].mode == mode)
- return &modes[i];
+ for (wpa_s = intf->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ if (wpa_s->waiting_presence_resp)
+ break;
}
+ if (!wpa_s) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No group interface was waiting for presence response");
+ return;
+ }
+ wpa_s->waiting_presence_resp = 0;
- return NULL;
+ wpa_snprintf_hex(hex, sizeof(hex), noa, noa_len);
+ wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PRESENCE_RESPONSE "src=" MACSTR
+ " status=%u noa=%s", MAC2STR(src), status, hex);
}
-enum chan_allowed {
- NOT_ALLOWED, PASSIVE_ONLY, ALLOWED
-};
-
-static int has_channel(struct wpa_global *global,
- struct hostapd_hw_modes *mode, u8 chan, int *flags)
+static int wpas_get_persistent_group(void *ctx, const u8 *addr, const u8 *ssid,
+ size_t ssid_len, u8 *go_dev_addr,
+ u8 *ret_ssid, size_t *ret_ssid_len,
+ u8 *intended_iface_addr)
{
- int i;
- unsigned int freq;
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *s;
- freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) +
- chan * 5;
- if (wpas_p2p_disallowed_freq(global, freq))
- return NOT_ALLOWED;
+ s = wpas_p2p_get_persistent(wpa_s, addr, ssid, ssid_len);
+ if (s) {
+ os_memcpy(ret_ssid, s->ssid, s->ssid_len);
+ *ret_ssid_len = s->ssid_len;
+ os_memcpy(go_dev_addr, s->bssid, ETH_ALEN);
+
+ if (s->mode != WPAS_MODE_P2P_GO) {
+ os_memset(intended_iface_addr, 0, ETH_ALEN);
+ } else if (wpas_p2p_create_iface(wpa_s)) {
+ if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO))
+ return 0;
- for (i = 0; i < mode->num_channels; i++) {
- if (mode->channels[i].chan == chan) {
- if (flags)
- *flags = mode->channels[i].flag;
- if (mode->channels[i].flag &
- (HOSTAPD_CHAN_DISABLED |
- HOSTAPD_CHAN_RADAR))
- return NOT_ALLOWED;
- if (mode->channels[i].flag &
- (HOSTAPD_CHAN_PASSIVE_SCAN |
- HOSTAPD_CHAN_NO_IBSS))
- return PASSIVE_ONLY;
- return ALLOWED;
+ os_memcpy(intended_iface_addr,
+ wpa_s->pending_interface_addr, ETH_ALEN);
+ } else {
+ os_memcpy(intended_iface_addr, wpa_s->own_addr,
+ ETH_ALEN);
}
+ return 1;
}
- return NOT_ALLOWED;
+ return 0;
}
-struct p2p_oper_class_map {
- enum hostapd_hw_mode mode;
- u8 op_class;
- u8 min_chan;
- u8 max_chan;
- u8 inc;
- enum { BW20, BW40PLUS, BW40MINUS, BW80 } bw;
-};
-
-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 },
-#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 },
+static int wpas_get_go_info(void *ctx, u8 *intended_addr,
+ u8 *ssid, size_t *ssid_len, int *group_iface,
+ unsigned int *freq)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_supplicant *go;
+ struct wpa_ssid *s;
/*
- * IEEE P802.11ac/D7.0 Table E-4 actually talks about channel center
- * frequency index 42, 58, 106, 122, 138, 155 with channel spacing of
- * 80 MHz, but currently use the following definition for simplicity
- * (these center frequencies are not actual channels, which makes
- * has_channel() fail). wpas_p2p_verify_80mhz() should take care of
- * removing invalid channels.
+ * group_iface will be set to 1 only if a dedicated interface for P2P
+ * role is required. First, we try to reuse an active GO. However,
+ * if it is not present, we will try to reactivate an existing
+ * persistent group and set group_iface to 1, so the caller will know
+ * that the pending interface should be used.
*/
- { HOSTAPD_MODE_IEEE80211A, 128, 36, 161, 4, BW80 },
- { -1, 0, 0, 0, 0, BW20 }
-};
-
+ *group_iface = 0;
-static int wpas_p2p_get_center_80mhz(struct wpa_supplicant *wpa_s,
- struct hostapd_hw_modes *mode,
- u8 channel)
-{
- u8 center_channels[] = { 42, 58, 106, 122, 138, 155 };
- unsigned int i;
+ if (freq)
+ *freq = 0;
- if (mode->mode != HOSTAPD_MODE_IEEE80211A)
- return 0;
+ go = wpas_p2p_get_go_group(wpa_s);
+ if (!go) {
+ s = wpas_p2p_get_persistent_go(wpa_s);
+ *group_iface = wpas_p2p_create_iface(wpa_s);
+ if (s)
+ os_memcpy(intended_addr, s->bssid, ETH_ALEN);
+ else
+ return 0;
+ } else {
+ s = go->current_ssid;
+ os_memcpy(intended_addr, go->own_addr, ETH_ALEN);
+ if (freq)
+ *freq = go->assoc_freq;
+ }
- for (i = 0; i < ARRAY_SIZE(center_channels); i++)
- /*
- * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
- * so the center channel is 6 channels away from the start/end.
- */
- if (channel >= center_channels[i] - 6 &&
- channel <= center_channels[i] + 6)
- return center_channels[i];
+ os_memcpy(ssid, s->ssid, s->ssid_len);
+ *ssid_len = s->ssid_len;
- return 0;
+ return 1;
}
-static enum chan_allowed wpas_p2p_verify_80mhz(struct wpa_supplicant *wpa_s,
- struct hostapd_hw_modes *mode,
- u8 channel, u8 bw)
+static int wpas_remove_stale_groups(void *ctx, const u8 *peer, const u8 *go,
+ const u8 *ssid, size_t ssid_len)
{
- u8 center_chan;
- int i, flags;
- enum chan_allowed res, ret = ALLOWED;
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *s;
+ int save_config = 0;
+ size_t i;
- center_chan = wpas_p2p_get_center_80mhz(wpa_s, mode, channel);
- if (!center_chan)
- return NOT_ALLOWED;
- if (center_chan >= 58 && center_chan <= 138)
- return NOT_ALLOWED; /* Do not allow DFS channels for P2P */
+ /* Start with our first choice of Persistent Groups */
+ while ((s = wpas_p2p_get_persistent(wpa_s, peer, NULL, 0))) {
+ if (go && ssid && ssid_len &&
+ s->ssid_len == ssid_len &&
+ os_memcmp(go, s->bssid, ETH_ALEN) == 0 &&
+ os_memcmp(ssid, s->ssid, ssid_len) == 0)
+ break;
- /* check all the channels are available */
- for (i = 0; i < 4; i++) {
- int adj_chan = center_chan - 6 + i * 4;
+ /* Remove stale persistent group */
+ if (s->mode != WPAS_MODE_P2P_GO || s->num_p2p_clients <= 1) {
+ wpa_config_remove_network(wpa_s->conf, s->id);
+ save_config = 1;
+ continue;
+ }
- res = has_channel(wpa_s->global, mode, adj_chan, &flags);
- if (res == NOT_ALLOWED)
- return NOT_ALLOWED;
- if (res == PASSIVE_ONLY)
- ret = PASSIVE_ONLY;
+ for (i = 0; i < s->num_p2p_clients; i++) {
+ if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN,
+ peer, ETH_ALEN) != 0)
+ continue;
- if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_70))
- return NOT_ALLOWED;
- if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_50))
- return NOT_ALLOWED;
- if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_30))
- return NOT_ALLOWED;
- if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_10))
- return NOT_ALLOWED;
+ os_memmove(s->p2p_client_list + i * 2 * ETH_ALEN,
+ s->p2p_client_list + (i + 1) * 2 * ETH_ALEN,
+ (s->num_p2p_clients - i - 1) * 2 * ETH_ALEN);
+ break;
+ }
+ s->num_p2p_clients--;
+ save_config = 1;
}
- return ret;
+ if (save_config)
+ p2p_config_write(wpa_s);
+
+ /* Return TRUE if valid SSID remains */
+ return s != NULL;
}
-static enum chan_allowed wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s,
- struct hostapd_hw_modes *mode,
- u8 channel, u8 bw)
+static void wpas_p2ps_get_feat_cap_str(char *buf, size_t buf_len,
+ const u8 *feat_cap, size_t feat_cap_len)
{
- int flag;
- enum chan_allowed res, res2;
+ static const char pref[] = " feature_cap=";
+ int ret;
- res2 = res = has_channel(wpa_s->global, mode, channel, &flag);
- if (bw == BW40MINUS) {
- if (!(flag & HOSTAPD_CHAN_HT40MINUS))
- return NOT_ALLOWED;
- res2 = has_channel(wpa_s->global, mode, channel - 4, NULL);
- } else if (bw == BW40PLUS) {
- if (!(flag & HOSTAPD_CHAN_HT40PLUS))
- return NOT_ALLOWED;
- res2 = has_channel(wpa_s->global, mode, channel + 4, NULL);
- } else if (bw == BW80) {
- res2 = wpas_p2p_verify_80mhz(wpa_s, mode, channel, bw);
- }
+ buf[0] = '\0';
- if (res == NOT_ALLOWED || res2 == NOT_ALLOWED)
- return NOT_ALLOWED;
- if (res == PASSIVE_ONLY || res2 == PASSIVE_ONLY)
- return PASSIVE_ONLY;
- return res;
+ /*
+ * We expect a feature capability to contain at least one byte to be
+ * reported. The string buffer provided by the caller function is
+ * expected to be big enough to contain all bytes of the attribute for
+ * known specifications. This function truncates the reported bytes if
+ * the feature capability data exceeds the string buffer size.
+ */
+ if (!feat_cap || !feat_cap_len || buf_len < sizeof(pref) + 2)
+ return;
+
+ os_memcpy(buf, pref, sizeof(pref));
+ ret = wpa_snprintf_hex(&buf[sizeof(pref) - 1],
+ buf_len - sizeof(pref) + 1,
+ feat_cap, feat_cap_len);
+
+ if (ret != (2 * (int) feat_cap_len))
+ wpa_printf(MSG_WARNING, "P2PS feature_cap bytes truncated");
}
-static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
- struct p2p_channels *chan,
- struct p2p_channels *cli_chan)
+static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
+ const u8 *adv_mac, const u8 *ses_mac,
+ const u8 *grp_mac, u32 adv_id, u32 ses_id,
+ u8 conncap, int passwd_id,
+ const u8 *persist_ssid,
+ size_t persist_ssid_size, int response_done,
+ int prov_start, const char *session_info,
+ const u8 *feat_cap, size_t feat_cap_len,
+ unsigned int freq,
+ const u8 *group_ssid, size_t group_ssid_len)
{
- struct hostapd_hw_modes *mode;
- int cla, op, cli_cla;
-
- if (wpa_s->hw.modes == NULL) {
- wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
- "of all supported channels; assume dualband "
- "support");
- return wpas_p2p_default_channels(wpa_s, chan, cli_chan);
- }
+ struct wpa_supplicant *wpa_s = ctx;
+ u8 mac[ETH_ALEN];
+ struct wpa_ssid *persistent_go, *stale, *s = NULL;
+ int save_config = 0;
+ struct wpa_supplicant *go_wpa_s;
+ char feat_cap_str[256];
- cla = cli_cla = 0;
+ if (!dev)
+ return;
- 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, *cli_reg = NULL;
+ os_memset(mac, 0, ETH_ALEN);
+ if (!adv_mac)
+ adv_mac = mac;
+ if (!ses_mac)
+ ses_mac = mac;
+ if (!grp_mac)
+ grp_mac = mac;
- mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode);
- if (mode == NULL)
- continue;
- for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
- enum chan_allowed res;
- res = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
- if (res == ALLOWED) {
- 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++;
- } else if (res == PASSIVE_ONLY &&
- wpa_s->conf->p2p_add_cli_chan) {
- if (cli_reg == NULL) {
- wpa_printf(MSG_DEBUG, "P2P: Add operating class %u (client only)",
- o->op_class);
- cli_reg = &cli_chan->reg_class[cli_cla];
- cli_cla++;
- cli_reg->reg_class = o->op_class;
- }
- cli_reg->channel[cli_reg->channels] = ch;
- cli_reg->channels++;
- }
- }
- if (reg) {
- wpa_hexdump(MSG_DEBUG, "P2P: Channels",
- reg->channel, reg->channels);
- }
- if (cli_reg) {
- wpa_hexdump(MSG_DEBUG, "P2P: Channels (client only)",
- cli_reg->channel, cli_reg->channels);
+ wpas_p2ps_get_feat_cap_str(feat_cap_str, sizeof(feat_cap_str),
+ feat_cap, feat_cap_len);
+
+ if (prov_start) {
+ if (session_info == NULL) {
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_P2PS_PROVISION_START MACSTR
+ " adv_id=%x conncap=%x"
+ " adv_mac=" MACSTR
+ " session=%x mac=" MACSTR
+ " dev_passwd_id=%d%s",
+ MAC2STR(dev), adv_id, conncap,
+ MAC2STR(adv_mac),
+ ses_id, MAC2STR(ses_mac),
+ passwd_id, feat_cap_str);
+ } else {
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_P2PS_PROVISION_START MACSTR
+ " adv_id=%x conncap=%x"
+ " adv_mac=" MACSTR
+ " session=%x mac=" MACSTR
+ " dev_passwd_id=%d info='%s'%s",
+ MAC2STR(dev), adv_id, conncap,
+ MAC2STR(adv_mac),
+ ses_id, MAC2STR(ses_mac),
+ passwd_id, session_info, feat_cap_str);
}
+ return;
}
- chan->reg_classes = cla;
- cli_chan->reg_classes = cli_cla;
+ go_wpa_s = wpas_p2p_get_go_group(wpa_s);
+ persistent_go = wpas_p2p_get_persistent_go(wpa_s);
- return 0;
-}
+ if (status && status != P2P_SC_SUCCESS_DEFERRED) {
+ if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
+ wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
+ if (persistent_go && !persistent_go->num_p2p_clients) {
+ /* remove empty persistent GO */
+ wpa_config_remove_network(wpa_s->conf,
+ persistent_go->id);
+ }
-int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s,
- struct hostapd_hw_modes *mode, u8 channel)
-{
- int op;
- enum chan_allowed ret;
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_P2PS_PROVISION_DONE MACSTR
+ " status=%d"
+ " adv_id=%x adv_mac=" MACSTR
+ " session=%x mac=" MACSTR "%s",
+ MAC2STR(dev), status,
+ adv_id, MAC2STR(adv_mac),
+ ses_id, MAC2STR(ses_mac), feat_cap_str);
+ return;
+ }
- for (op = 0; op_class[op].op_class; op++) {
- struct p2p_oper_class_map *o = &op_class[op];
- u8 ch;
+ /* Clean up stale persistent groups with this device */
+ if (persist_ssid && persist_ssid_size)
+ s = wpas_p2p_get_persistent(wpa_s, dev, persist_ssid,
+ persist_ssid_size);
- 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 == ALLOWED)
- return (o->bw == BW40MINUS) ? -1 : 1;
- }
+ if (persist_ssid && s && s->mode != WPAS_MODE_P2P_GO &&
+ is_zero_ether_addr(grp_mac)) {
+ wpa_dbg(wpa_s, MSG_ERROR,
+ "P2P: Peer device is a GO in a persistent group, but it did not provide the intended MAC address");
+ return;
}
- return 0;
-}
+ for (;;) {
+ stale = wpas_p2p_get_persistent(wpa_s, dev, NULL, 0);
+ if (!stale)
+ break;
-int wpas_p2p_get_vht80_center(struct wpa_supplicant *wpa_s,
- struct hostapd_hw_modes *mode, u8 channel)
-{
- if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW80))
- return 0;
+ if (s && s->ssid_len == stale->ssid_len &&
+ os_memcmp(stale->bssid, s->bssid, ETH_ALEN) == 0 &&
+ os_memcmp(stale->ssid, s->ssid, s->ssid_len) == 0)
+ break;
- return wpas_p2p_get_center_80mhz(wpa_s, mode, channel);
-}
+ /* Remove stale persistent group */
+ if (stale->mode != WPAS_MODE_P2P_GO ||
+ stale->num_p2p_clients <= 1) {
+ wpa_config_remove_network(wpa_s->conf, stale->id);
+ } else {
+ size_t i;
+
+ for (i = 0; i < stale->num_p2p_clients; i++) {
+ if (os_memcmp(stale->p2p_client_list +
+ i * ETH_ALEN,
+ dev, ETH_ALEN) == 0) {
+ os_memmove(stale->p2p_client_list +
+ i * ETH_ALEN,
+ stale->p2p_client_list +
+ (i + 1) * ETH_ALEN,
+ (stale->num_p2p_clients -
+ i - 1) * ETH_ALEN);
+ break;
+ }
+ }
+ stale->num_p2p_clients--;
+ }
+ save_config = 1;
+ }
+ if (save_config)
+ p2p_config_write(wpa_s);
-static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
- size_t buf_len)
-{
- struct wpa_supplicant *wpa_s = ctx;
+ if (s) {
+ if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
+ wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
+
+ if (persistent_go && s != persistent_go &&
+ !persistent_go->num_p2p_clients) {
+ /* remove empty persistent GO */
+ wpa_config_remove_network(wpa_s->conf,
+ persistent_go->id);
+ /* Save config */
+ }
- for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
- if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
- break;
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_P2PS_PROVISION_DONE MACSTR
+ " status=%d"
+ " adv_id=%x adv_mac=" MACSTR
+ " session=%x mac=" MACSTR
+ " persist=%d%s",
+ MAC2STR(dev), status,
+ adv_id, MAC2STR(adv_mac),
+ ses_id, MAC2STR(ses_mac), s->id, feat_cap_str);
+ return;
}
- if (wpa_s == NULL)
- return -1;
- return wpa_drv_get_noa(wpa_s, buf, buf_len);
-}
+ if (conncap == P2PS_SETUP_GROUP_OWNER) {
+ /*
+ * We need to copy the interface name. Simply saving a
+ * pointer isn't enough, since if we use pending_interface_name
+ * it will be overwritten when the group is added.
+ */
+ char go_ifname[100];
+
+ go_ifname[0] = '\0';
+ if (!go_wpa_s) {
+ wpa_s->global->pending_p2ps_group = 1;
+ wpa_s->global->pending_p2ps_group_freq = freq;
+
+ if (!wpas_p2p_create_iface(wpa_s))
+ os_memcpy(go_ifname, wpa_s->ifname,
+ sizeof(go_ifname));
+ else if (wpa_s->pending_interface_name[0])
+ os_memcpy(go_ifname,
+ wpa_s->pending_interface_name,
+ sizeof(go_ifname));
+
+ if (!go_ifname[0]) {
+ wpas_p2ps_prov_complete(
+ wpa_s, P2P_SC_FAIL_UNKNOWN_GROUP,
+ dev, adv_mac, ses_mac,
+ grp_mac, adv_id, ses_id, 0, 0,
+ NULL, 0, 0, 0, NULL, NULL, 0, 0,
+ NULL, 0);
+ return;
+ }
+ /* If PD Resp complete, start up the GO */
+ if (response_done && persistent_go) {
+ wpas_p2p_group_add_persistent(
+ wpa_s, persistent_go,
+ 0, 0, freq, 0, 0, 0, 0, NULL,
+ persistent_go->mode ==
+ WPAS_MODE_P2P_GO ?
+ P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
+ 0, 0);
+ } else if (response_done) {
+ wpas_p2p_group_add(wpa_s, 1, freq, 0, 0, 0, 0);
+ }
-static int wpas_go_connected(void *ctx, const u8 *dev_addr)
-{
- struct wpa_supplicant *wpa_s = ctx;
+ if (passwd_id == DEV_PW_P2PS_DEFAULT) {
+ os_memcpy(wpa_s->p2ps_join_addr, grp_mac,
+ ETH_ALEN);
+ wpa_s->p2ps_method_config_any = 1;
+ }
+ } else if (passwd_id == DEV_PW_P2PS_DEFAULT) {
+ os_memcpy(go_ifname, go_wpa_s->ifname,
+ sizeof(go_ifname));
+
+ if (is_zero_ether_addr(grp_mac)) {
+ wpa_dbg(go_wpa_s, MSG_DEBUG,
+ "P2P: Setting PIN-1 for ANY");
+ wpa_supplicant_ap_wps_pin(go_wpa_s, NULL,
+ "12345670", NULL, 0,
+ 0);
+ } else {
+ wpa_dbg(go_wpa_s, MSG_DEBUG,
+ "P2P: Setting PIN-1 for " MACSTR,
+ MAC2STR(grp_mac));
+ wpa_supplicant_ap_wps_pin(go_wpa_s, grp_mac,
+ "12345670", NULL, 0,
+ 0);
+ }
- for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
- struct wpa_ssid *ssid = wpa_s->current_ssid;
- if (ssid == NULL)
- continue;
- if (ssid->mode != WPAS_MODE_INFRA)
- continue;
- if (wpa_s->wpa_state != WPA_COMPLETED &&
- wpa_s->wpa_state != WPA_GROUP_HANDSHAKE)
- continue;
- if (os_memcmp(wpa_s->go_dev_addr, dev_addr, ETH_ALEN) == 0)
- return 1;
+ os_memcpy(wpa_s->p2ps_join_addr, grp_mac, ETH_ALEN);
+ wpa_s->p2ps_method_config_any = 1;
+ }
+
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_P2PS_PROVISION_DONE MACSTR
+ " status=%d conncap=%x"
+ " adv_id=%x adv_mac=" MACSTR
+ " session=%x mac=" MACSTR
+ " dev_passwd_id=%d go=%s%s",
+ MAC2STR(dev), status, conncap,
+ adv_id, MAC2STR(adv_mac),
+ ses_id, MAC2STR(ses_mac),
+ passwd_id, go_ifname, feat_cap_str);
+ return;
}
- return 0;
-}
+ if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
+ wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
+ if (persistent_go && !persistent_go->num_p2p_clients) {
+ /* remove empty persistent GO */
+ wpa_config_remove_network(wpa_s->conf, persistent_go->id);
+ }
-static int wpas_is_concurrent_session_active(void *ctx)
-{
- struct wpa_supplicant *wpa_s = ctx;
- struct wpa_supplicant *ifs;
+ if (conncap == P2PS_SETUP_CLIENT) {
+ char ssid_hex[32 * 2 + 1];
- for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
- if (ifs == wpa_s)
- continue;
- if (ifs->wpa_state > WPA_ASSOCIATED)
- return 1;
+ if (group_ssid)
+ wpa_snprintf_hex(ssid_hex, sizeof(ssid_hex),
+ group_ssid, group_ssid_len);
+ else
+ ssid_hex[0] = '\0';
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_P2PS_PROVISION_DONE MACSTR
+ " status=%d conncap=%x"
+ " adv_id=%x adv_mac=" MACSTR
+ " session=%x mac=" MACSTR
+ " dev_passwd_id=%d join=" MACSTR "%s%s%s",
+ MAC2STR(dev), status, conncap,
+ adv_id, MAC2STR(adv_mac),
+ ses_id, MAC2STR(ses_mac),
+ passwd_id, MAC2STR(grp_mac), feat_cap_str,
+ group_ssid ? " group_ssid=" : "", ssid_hex);
+ } else {
+ wpa_msg_global(wpa_s, MSG_INFO,
+ P2P_EVENT_P2PS_PROVISION_DONE MACSTR
+ " status=%d conncap=%x"
+ " adv_id=%x adv_mac=" MACSTR
+ " session=%x mac=" MACSTR
+ " dev_passwd_id=%d%s",
+ MAC2STR(dev), status, conncap,
+ adv_id, MAC2STR(adv_mac),
+ ses_id, MAC2STR(ses_mac),
+ passwd_id, feat_cap_str);
}
- return 0;
}
-static void wpas_p2p_debug_print(void *ctx, int level, const char *msg)
+static int _wpas_p2p_in_progress(void *ctx)
{
struct wpa_supplicant *wpa_s = ctx;
- wpa_msg_global(wpa_s, level, "P2P: %s", msg);
+ return wpas_p2p_in_progress(wpa_s);
}
-int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s)
+static int wpas_prov_disc_resp_cb(void *ctx)
{
- struct wpa_interface iface;
- struct wpa_supplicant *p2pdev_wpa_s;
- char ifname[100];
- char force_name[100];
- int ret;
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *persistent_go;
+ unsigned int freq;
- os_snprintf(ifname, sizeof(ifname), P2P_MGMT_DEVICE_PREFIX "%s",
- wpa_s->ifname);
- force_name[0] = '\0';
- wpa_s->pending_interface_type = WPA_IF_P2P_DEVICE;
- ret = wpa_drv_if_add(wpa_s, WPA_IF_P2P_DEVICE, ifname, NULL, NULL,
- force_name, wpa_s->pending_interface_addr, NULL);
- if (ret < 0) {
- wpa_printf(MSG_DEBUG, "P2P: Failed to create P2P Device interface");
- return ret;
- }
- os_strlcpy(wpa_s->pending_interface_name, ifname,
- sizeof(wpa_s->pending_interface_name));
+ if (!wpa_s->global->pending_p2ps_group)
+ return 0;
- os_memset(&iface, 0, sizeof(iface));
- iface.p2p_mgmt = 1;
- iface.ifname = wpa_s->pending_interface_name;
- iface.driver = wpa_s->driver->name;
- iface.driver_param = wpa_s->conf->driver_param;
- iface.confname = wpa_s->confname;
- p2pdev_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface);
- if (!p2pdev_wpa_s) {
- wpa_printf(MSG_DEBUG, "P2P: Failed to add P2P Device interface");
- return -1;
+ freq = wpa_s->global->pending_p2ps_group_freq;
+ wpa_s->global->pending_p2ps_group_freq = 0;
+ wpa_s->global->pending_p2ps_group = 0;
+
+ if (wpas_p2p_get_go_group(wpa_s))
+ return 0;
+ persistent_go = wpas_p2p_get_persistent_go(wpa_s);
+
+ if (persistent_go) {
+ wpas_p2p_group_add_persistent(
+ wpa_s, persistent_go, 0, 0, 0, 0, 0, 0, 0, NULL,
+ persistent_go->mode == WPAS_MODE_P2P_GO ?
+ P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0, 0);
+ } else {
+ wpas_p2p_group_add(wpa_s, 1, freq, 0, 0, 0, 0);
}
- p2pdev_wpa_s->parent = wpa_s;
- wpa_s->pending_interface_name[0] = '\0';
- return 0;
+ return 1;
}
-static void wpas_presence_resp(void *ctx, const u8 *src, u8 status,
- const u8 *noa, size_t noa_len)
+static int wpas_p2p_get_pref_freq_list(void *ctx, int go,
+ unsigned int *len,
+ unsigned int *freq_list)
{
- struct wpa_supplicant *wpa_s, *intf = ctx;
- char hex[100];
-
- for (wpa_s = intf->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
- if (wpa_s->waiting_presence_resp)
- break;
- }
- if (!wpa_s) {
- wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No group interface was waiting for presence response");
- return;
- }
- wpa_s->waiting_presence_resp = 0;
+ struct wpa_supplicant *wpa_s = ctx;
- wpa_snprintf_hex(hex, sizeof(hex), noa, noa_len);
- wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PRESENCE_RESPONSE "src=" MACSTR
- " status=%u noa=%s", MAC2STR(src), status, hex);
+ return wpa_drv_get_pref_freq_list(wpa_s, go ? WPA_IF_P2P_GO :
+ WPA_IF_P2P_CLIENT, len, freq_list);
}
int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
{
struct p2p_config p2p;
- unsigned int r;
int i;
if (wpa_s->conf->p2p_disabled)
p2p.go_connected = wpas_go_connected;
p2p.presence_resp = wpas_presence_resp;
p2p.is_concurrent_session_active = wpas_is_concurrent_session_active;
+ p2p.is_p2p_in_progress = _wpas_p2p_in_progress;
+ p2p.get_persistent_group = wpas_get_persistent_group;
+ p2p.get_go_info = wpas_get_go_info;
+ p2p.remove_stale_groups = wpas_remove_stale_groups;
+ p2p.p2ps_prov_complete = wpas_p2ps_prov_complete;
+ p2p.prov_disc_resp_cb = wpas_prov_disc_resp_cb;
+ p2p.p2ps_group_capability = p2ps_group_capability;
+ p2p.get_pref_freq_list = wpas_p2p_get_pref_freq_list;
os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN);
p2p.config_methods = wpa_s->wps->config_methods;
}
+ if (wpas_p2p_setup_channels(wpa_s, &p2p.channels, &p2p.cli_channels)) {
+ wpa_printf(MSG_ERROR,
+ "P2P: Failed to configure supported channel list");
+ return -1;
+ }
+
if (wpa_s->conf->p2p_listen_reg_class &&
wpa_s->conf->p2p_listen_channel) {
p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
p2p.channel = wpa_s->conf->p2p_listen_channel;
+ p2p.channel_forced = 1;
} else {
- p2p.reg_class = 81;
/*
* Pick one of the social channels randomly as the listen
* channel.
*/
- os_get_random((u8 *) &r, sizeof(r));
- p2p.channel = 1 + (r % 3) * 5;
+ if (p2p_config_get_random_social(&p2p, &p2p.reg_class,
+ &p2p.channel) != 0) {
+ wpa_printf(MSG_INFO,
+ "P2P: No social channels supported by the driver - do not enable P2P");
+ return 0;
+ }
+ p2p.channel_forced = 0;
}
- wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d", p2p.channel);
+ wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d:%d",
+ p2p.reg_class, p2p.channel);
if (wpa_s->conf->p2p_oper_reg_class &&
wpa_s->conf->p2p_oper_channel) {
"%d:%d", p2p.op_reg_class, p2p.op_channel);
} else {
- p2p.op_reg_class = 81;
/*
- * Use random operation channel from (1, 6, 11) if no other
- * preference is indicated.
+ * Use random operation channel from 2.4 GHz band social
+ * channels (1, 6, 11) or band 60 GHz social channel (2) if no
+ * other preference is indicated.
*/
- os_get_random((u8 *) &r, sizeof(r));
- p2p.op_channel = 1 + (r % 3) * 5;
+ if (p2p_config_get_random_social(&p2p, &p2p.op_reg_class,
+ &p2p.op_channel) != 0) {
+ wpa_printf(MSG_ERROR,
+ "P2P: Failed to select random social channel as operation channel");
+ return -1;
+ }
p2p.cfg_op_channel = 0;
wpa_printf(MSG_DEBUG, "P2P: Random operating channel: "
"%d:%d", p2p.op_reg_class, p2p.op_channel);
} else
os_memcpy(p2p.country, "XX\x04", 3);
- if (wpas_p2p_setup_channels(wpa_s, &p2p.channels, &p2p.cli_channels)) {
- wpa_printf(MSG_ERROR, "P2P: Failed to configure supported "
- "channel list");
- return -1;
- }
-
os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type,
WPS_DEV_TYPE_LEN);
p2p.max_listen = wpa_s->max_remain_on_chan;
+ if (wpa_s->conf->p2p_passphrase_len >= 8 &&
+ wpa_s->conf->p2p_passphrase_len <= 63)
+ p2p.passphrase_len = wpa_s->conf->p2p_passphrase_len;
+ else
+ p2p.passphrase_len = 8;
+
global->p2p = p2p_init(&p2p);
if (global->p2p == NULL)
return -1;
os_free(wpa_s->go_params);
wpa_s->go_params = NULL;
+ eloop_cancel_timeout(wpas_p2p_psk_failure_removal, wpa_s, NULL);
eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
wpa_s->p2p_long_listen = 0;
wpabuf_free(wpa_s->p2p_oob_dev_pw);
wpa_s->p2p_oob_dev_pw = NULL;
+ os_free(wpa_s->p2p_group_common_freqs);
+ wpa_s->p2p_group_common_freqs = NULL;
+ wpa_s->p2p_group_common_freqs_num = 0;
+
/* TODO: remove group interface from the driver if this wpa_s instance
* is on top of a P2P group interface */
}
*
* This function deinitializes the global (per device) P2P module.
*/
-void wpas_p2p_deinit_global(struct wpa_global *global)
+static void wpas_p2p_deinit_global(struct wpa_global *global)
{
struct wpa_supplicant *wpa_s, *tmp;
wpa_s = global->ifaces;
- if (wpa_s)
- wpas_p2p_service_flush(wpa_s);
- if (global->p2p == NULL)
- return;
+ wpas_p2p_service_flush(global->p2p_init_wpa_s);
/* Remove remaining P2P group interfaces */
while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
{
- if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
- wpa_s->conf->p2p_no_group_iface)
+ 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 |
MAC2STR(wpa_s->pending_join_dev_addr));
return;
}
- wpa_msg_global(wpa_s->parent, MSG_INFO,
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
P2P_EVENT_GROUP_FORMATION_FAILURE);
+ wpas_notify_p2p_group_formation_failure(wpa_s, "");
}
}
static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq)
{
- int *freqs, res, num, i;
+ int res;
+ unsigned int num, i;
+ struct wpa_used_freq_data *freqs;
if (wpas_p2p_num_unused_channels(wpa_s) > 0) {
/* Multiple channels are supported and not all are in use */
return 0;
}
- freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int));
+ freqs = os_calloc(wpa_s->num_multichan_concurrent,
+ sizeof(struct wpa_used_freq_data));
if (!freqs)
return 1;
num = wpas_p2p_valid_oper_freqs(wpa_s, freqs,
wpa_s->num_multichan_concurrent);
- if (num < 0) {
- res = 1;
- goto exit_free;
- }
for (i = 0; i < num; i++) {
- if (freqs[i] == freq) {
+ if (freqs[i].freq == freq) {
wpa_printf(MSG_DEBUG, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
freq);
res = 0;
}
}
+ wpa_printf(MSG_DEBUG, "P2P: No valid operating frequencies");
res = 1;
exit_free:
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_join_dev_addr, NULL,
wpa_s->pending_pd_config_methods, join,
0, wpa_s->user_initiated_pd) < 0) {
wpa_s->p2p_auto_pd = 0;
if (join < 0) {
wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be "
"running a GO -> use GO Negotiation");
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
+ P2P_EVENT_FALLBACK_TO_GO_NEG
+ "reason=peer-not-running-GO");
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_go_vht_center_freq2,
wpa_s->p2p_persistent_id,
wpa_s->p2p_pd_before_go_neg,
wpa_s->p2p_go_ht40,
- wpa_s->p2p_go_vht);
+ wpa_s->p2p_go_vht,
+ wpa_s->p2p_go_max_oper_chwidth,
+ NULL, 0);
return;
}
wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO%s -> "
"try to join the group", join ? "" :
" in older scan");
- if (!join)
+ if (!join) {
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
+ P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED);
wpa_s->p2p_fallback_to_go_neg = 1;
+ }
}
freq = p2p_get_oper_freq(wpa_s->global->p2p,
p2p_get_interface_addr(wpa_s->global->p2p,
wpa_s->pending_join_dev_addr,
iface_addr) == 0 &&
- os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0)
- {
+ os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0
+ && !wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr)) {
wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface "
"address for join from " MACSTR " to " MACSTR
" based on newly discovered P2P peer entry",
bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr,
wpa_s->p2p_join_ssid,
wpa_s->p2p_join_ssid_len);
- }
- if (!bss) {
+ } else if (!bss) {
wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID "
MACSTR, MAC2STR(wpa_s->pending_join_iface_addr));
bss = wpa_bss_get_bssid_latest(wpa_s,
wpa_s->pending_join_iface_addr);
}
if (bss) {
+ u8 dev_addr[ETH_ALEN];
+
freq = bss->freq;
wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
"from BSS table: %d MHz (SSID %s)", freq,
wpa_ssid_txt(bss->ssid, bss->ssid_len));
+ if (p2p_parse_dev_addr((const u8 *) (bss + 1), bss->ie_len,
+ dev_addr) == 0 &&
+ os_memcmp(wpa_s->pending_join_dev_addr,
+ wpa_s->pending_join_iface_addr, ETH_ALEN) == 0 &&
+ os_memcmp(dev_addr, wpa_s->pending_join_dev_addr,
+ ETH_ALEN) != 0) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: Update target GO device address based on BSS entry: " MACSTR " (was " MACSTR ")",
+ MAC2STR(dev_addr),
+ MAC2STR(wpa_s->pending_join_dev_addr));
+ os_memcpy(wpa_s->pending_join_dev_addr, dev_addr,
+ ETH_ALEN);
+ }
}
if (freq > 0) {
u16 method;
if (wpas_check_freq_conflict(wpa_s, freq) > 0) {
- wpa_msg_global(wpa_s->parent, MSG_INFO,
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
P2P_EVENT_GROUP_FORMATION_FAILURE
"reason=FREQ_CONFLICT");
+ wpas_notify_p2p_group_formation_failure(
+ wpa_s, "FREQ_CONFLICT");
return;
}
case WPS_PBC:
method = WPS_CONFIG_PUSHBUTTON;
break;
+ case WPS_P2PS:
+ method = WPS_CONFIG_P2PS;
+ break;
default:
method = 0;
break;
}
if (p2p_prov_disc_req(wpa_s->global->p2p,
- wpa_s->pending_join_dev_addr, method, 1,
+ wpa_s->pending_join_dev_addr,
+ NULL, method, 1,
freq, wpa_s->user_initiated_pd) < 0) {
wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
"Discovery Request before joining an "
start:
/* Start join operation immediately */
- wpas_p2p_join_start(wpa_s, 0, NULL, 0);
+ wpas_p2p_join_start(wpa_s, 0, wpa_s->p2p_join_ssid,
+ wpa_s->p2p_join_ssid_len);
}
struct wpabuf *wps_ie, *ies;
size_t ielen;
int freqs[2] = { 0, 0 };
+ unsigned int bands;
os_memset(¶ms, 0, sizeof(params));
return;
}
- ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
- ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
- if (ies == NULL) {
- wpabuf_free(wps_ie);
- wpas_p2p_scan_res_join(wpa_s, NULL);
- return;
- }
- wpabuf_put_buf(ies, wps_ie);
- wpabuf_free(wps_ie);
-
- p2p_scan_ie(wpa_s->global->p2p, ies, NULL);
-
- params.p2p_probe = 1;
- params.extra_ies = wpabuf_head(ies);
- params.extra_ies_len = wpabuf_len(ies);
-
if (!freq) {
int oper_freq;
/*
params.freqs = freqs;
}
+ ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
+ ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
+ if (ies == NULL) {
+ wpabuf_free(wps_ie);
+ wpas_p2p_scan_res_join(wpa_s, NULL);
+ return;
+ }
+ wpabuf_put_buf(ies, wps_ie);
+ wpabuf_free(wps_ie);
+
+ bands = wpas_get_bands(wpa_s, freqs);
+ p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands);
+
+ params.p2p_probe = 1;
+ params.extra_ies = wpabuf_head(ies);
+ params.extra_ies_len = wpabuf_len(ies);
+
/*
* Run a scan to update BSS table and start Provision Discovery once
* the new scan results become available.
res.ssid_len = ssid_len;
os_memcpy(res.ssid, ssid, ssid_len);
} else {
- bss = wpa_bss_get_bssid_latest(wpa_s,
- wpa_s->pending_join_iface_addr);
+ if (ssid && ssid_len) {
+ bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr,
+ ssid, ssid_len);
+ } else {
+ bss = wpa_bss_get_bssid_latest(
+ wpa_s, wpa_s->pending_join_iface_addr);
+ }
if (bss) {
res.freq = bss->freq;
res.ssid_len = bss->ssid_len;
wpa_printf(MSG_DEBUG, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)",
bss->freq,
wpa_ssid_txt(bss->ssid, bss->ssid_len));
+ } else if (ssid && ssid_len) {
+ res.ssid_len = ssid_len;
+ os_memcpy(res.ssid, ssid, ssid_len);
+ wpa_printf(MSG_DEBUG, "P2P: Join target GO (SSID %s)",
+ wpa_ssid_txt(ssid, ssid_len));
}
}
static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq,
- int *force_freq, int *pref_freq, int go)
+ int *force_freq, int *pref_freq, int go,
+ unsigned int *pref_freq_list,
+ unsigned int *num_pref_freq)
{
- int *freqs, res;
- unsigned int freq_in_use = 0, num, i;
+ struct wpa_used_freq_data *freqs;
+ int res, best_freq, num_unused;
+ unsigned int freq_in_use = 0, num, i, max_pref_freq;
- freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int));
+ max_pref_freq = *num_pref_freq;
+ *num_pref_freq = 0;
+
+ freqs = os_calloc(wpa_s->num_multichan_concurrent,
+ sizeof(struct wpa_used_freq_data));
if (!freqs)
return -1;
- num = get_shared_radio_freqs(wpa_s, freqs,
- wpa_s->num_multichan_concurrent);
+ num = wpas_p2p_valid_oper_freqs(wpa_s, freqs,
+ wpa_s->num_multichan_concurrent);
+
+ /*
+ * It is possible that the total number of used frequencies is bigger
+ * than the number of frequencies used for P2P, so get the system wide
+ * number of unused frequencies.
+ */
+ num_unused = wpas_p2p_num_unused_channels(wpa_s);
+
wpa_printf(MSG_DEBUG,
- "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u",
- freq, wpa_s->num_multichan_concurrent, num);
+ "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d",
+ freq, wpa_s->num_multichan_concurrent, num, num_unused);
if (freq > 0) {
int ret;
else
ret = p2p_supported_freq_cli(wpa_s->global->p2p, freq);
if (!ret) {
- wpa_printf(MSG_DEBUG, "P2P: The forced channel "
- "(%u MHz) is not supported for P2P uses",
- freq);
- res = -3;
- goto exit_free;
+ if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
+ ieee80211_is_dfs(freq)) {
+ /*
+ * If freq is a DFS channel and DFS is offloaded
+ * to the driver, allow P2P GO to use it.
+ */
+ wpa_printf(MSG_DEBUG,
+ "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver",
+ freq);
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "P2P: The forced channel (%u MHz) is not supported for P2P uses",
+ freq);
+ res = -3;
+ goto exit_free;
+ }
}
for (i = 0; i < num; i++) {
- if (freqs[i] == freq)
+ if (freqs[i].freq == freq)
freq_in_use = 1;
}
- if (num == wpa_s->num_multichan_concurrent && !freq_in_use) {
+ if (num_unused <= 0 && !freq_in_use) {
wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
freq);
res = -2;
goto exit_ok;
}
- for (i = 0; i < num; i++) {
- if (!p2p_supported_freq(wpa_s->global->p2p, freqs[i]))
- continue;
+ best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
- if (*pref_freq == 0 && num < wpa_s->num_multichan_concurrent) {
- wpa_printf(MSG_DEBUG, "P2P: Try to prefer a frequency (%u MHz) we are already using",
- freqs[i]);
- *pref_freq = freqs[i];
+ if (!wpa_s->conf->num_p2p_pref_chan && *pref_freq == 0) {
+ enum wpa_driver_if_type iface_type;
+
+ if (go)
+ iface_type = WPA_IF_P2P_GO;
+ else
+ iface_type = WPA_IF_P2P_CLIENT;
+
+ wpa_printf(MSG_DEBUG, "P2P: best_freq=%d, go=%d",
+ best_freq, go);
+
+ res = wpa_drv_get_pref_freq_list(wpa_s, iface_type,
+ &max_pref_freq,
+ pref_freq_list);
+ if (!res && max_pref_freq > 0) {
+ *num_pref_freq = max_pref_freq;
+ i = 0;
+ while (wpas_p2p_disallowed_freq(wpa_s->global,
+ pref_freq_list[i]) &&
+ i < *num_pref_freq) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: preferred_freq_list[%d]=%d is disallowed",
+ i, pref_freq_list[i]);
+ i++;
+ }
+ if (i != *num_pref_freq) {
+ best_freq = pref_freq_list[i];
+ wpa_printf(MSG_DEBUG,
+ "P2P: Using preferred_freq_list[%d]=%d",
+ i, best_freq);
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "P2P: All driver preferred frequencies are disallowed for P2P use");
+ *num_pref_freq = 0;
+ }
} else {
- wpa_printf(MSG_DEBUG, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
- freqs[i]);
- *force_freq = freqs[i];
+ wpa_printf(MSG_DEBUG,
+ "P2P: No preferred frequency list available");
}
- break;
}
- if (i == num) {
- if (num < wpa_s->num_multichan_concurrent && num > 0) {
- wpa_printf(MSG_DEBUG, "P2P: Current operating channels are not available for P2P. Try to use another channel");
- *force_freq = 0;
- } else if (num < wpa_s->num_multichan_concurrent) {
- wpa_printf(MSG_DEBUG, "P2P: No current operating channels - try to use a new channel");
- *force_freq = 0;
+ /* We have a candidate frequency to use */
+ if (best_freq > 0) {
+ if (*pref_freq == 0 && num_unused > 0) {
+ wpa_printf(MSG_DEBUG, "P2P: Try to prefer a frequency (%u MHz) we are already using",
+ best_freq);
+ *pref_freq = best_freq;
} else {
- wpa_printf(MSG_DEBUG, "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
- res = -2;
- goto exit_free;
+ wpa_printf(MSG_DEBUG, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
+ best_freq);
+ *force_freq = best_freq;
}
+ } else if (num_unused > 0) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: Current operating channels are not available for P2P. Try to use another channel");
+ *force_freq = 0;
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
+ res = -2;
+ goto exit_free;
}
exit_ok:
* initiating Group Owner negotiation
* @go_intent: GO Intent or -1 to use default
* @freq: Frequency for the group or 0 for auto-selection
+ * @freq2: Center frequency of segment 1 for the GO operating in VHT 80P80 mode
* @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
* @vht: Start GO with VHT support
+ * @vht_chwidth: Channel width supported by GO operating with VHT support
+ * (VHT_CHANWIDTH_*).
+ * @group_ssid: Specific Group SSID for join or %NULL if not set
+ * @group_ssid_len: Length of @group_ssid in octets
* 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 auto_join, int join, int auth,
- int go_intent, int freq, int persistent_id, int pd,
- int ht40, int vht)
+ int go_intent, int freq, unsigned int vht_center_freq2,
+ int persistent_id, int pd, int ht40, int vht,
+ unsigned int vht_chwidth, const u8 *group_ssid,
+ size_t group_ssid_len)
{
int force_freq = 0, pref_freq = 0;
int ret = 0, res;
enum wpa_driver_if_type iftype;
const u8 *if_addr;
struct wpa_ssid *ssid = NULL;
+ unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return -1;
wpa_s->global->add_psk = NULL;
wpa_s->global->p2p_fail_on_wps_complete = 0;
+ wpa_s->global->pending_p2ps_group = 0;
+ wpa_s->global->pending_p2ps_group_freq = 0;
+ wpa_s->p2ps_method_config_any = 0;
if (go_intent < 0)
go_intent = wpa_s->conf->p2p_go_intent;
wpa_s->p2p_pd_before_go_neg = !!pd;
wpa_s->p2p_go_ht40 = !!ht40;
wpa_s->p2p_go_vht = !!vht;
+ wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2;
+ wpa_s->p2p_go_max_oper_chwidth = vht_chwidth;
if (pin)
os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
else if (wps_method == WPS_PIN_DISPLAY) {
- ret = wps_generate_pin();
- os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d",
- ret);
+ if (wps_generate_pin((unsigned int *) &ret) < 0)
+ return -1;
+ res = os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin),
+ "%08d", ret);
+ if (os_snprintf_error(sizeof(wpa_s->p2p_pin), res))
+ wpa_s->p2p_pin[sizeof(wpa_s->p2p_pin) - 1] = '\0';
wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
wpa_s->p2p_pin);
+ } else if (wps_method == WPS_P2PS) {
+ /* Force the P2Ps default PIN to be used */
+ os_strlcpy(wpa_s->p2p_pin, "12345670", sizeof(wpa_s->p2p_pin));
} else
wpa_s->p2p_pin[0] = '\0';
}
wpa_s->user_initiated_pd = 1;
if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method,
- auto_join, freq, NULL, 0) < 0)
+ auto_join, freq,
+ group_ssid, group_ssid_len) < 0)
return -1;
return ret;
}
+ size = P2P_MAX_PREF_CHANNELS;
res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
- go_intent == 15);
+ go_intent == 15, pref_freq_list, &size);
if (res)
return res;
wpas_p2p_set_own_freq_preference(wpa_s,
force_freq ? force_freq : pref_freq);
+ p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size);
+
wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
if (wpa_s->create_p2p_iface) {
}
if_addr = wpa_s->pending_interface_addr;
- } else
- if_addr = wpa_s->own_addr;
+ } else {
+ if (wpa_s->p2p_mgmt)
+ if_addr = wpa_s->parent->own_addr;
+ else
+ if_addr = wpa_s->own_addr;
+ os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
+ }
if (auth) {
if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
{
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return;
- if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
+ wpa_printf(MSG_DEBUG, "P2P: remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d roc_waiting_drv_freq=%d freq=%u duration=%u)",
+ wpa_s->off_channel_freq, wpa_s->pending_listen_freq,
+ wpa_s->roc_waiting_drv_freq, freq, duration);
+ if (wpa_s->off_channel_freq &&
+ wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
wpa_s->pending_listen_duration);
wpa_s->pending_listen_freq = 0;
+ } else {
+ wpa_printf(MSG_DEBUG, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
+ wpa_s->off_channel_freq, wpa_s->pending_listen_freq,
+ freq, duration);
}
}
-static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s,
- unsigned int timeout)
+int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, unsigned int timeout)
{
/* Limit maximum Listen state time based on driver limitation. */
if (timeout > wpa_s->max_remain_on_chan)
wpas_p2p_listen_work_done(wpa_s);
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return;
+ if (wpa_s->p2p_long_listen > 0)
+ wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan;
if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
return; /* P2P module started a new operation */
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;
if (wpa_s->p2p_long_listen > 0) {
wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen);
int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
{
struct wpa_global *global = wpa_s->global;
+ struct wpa_supplicant *calling_wpa_s = wpa_s;
if (os_strcmp(ifname, "*") == 0) {
struct wpa_supplicant *prev;
NOT_P2P_GROUP_INTERFACE ||
(prev->current_ssid &&
prev->current_ssid->p2p_group))
- wpas_p2p_disconnect(prev);
+ wpas_p2p_disconnect_safely(prev, calling_wpa_s);
}
return 0;
}
break;
}
- return wpas_p2p_disconnect(wpa_s);
+ return wpas_p2p_disconnect_safely(wpa_s, calling_wpa_s);
}
{
unsigned int r;
+ if (!wpa_s->conf->num_p2p_pref_chan && !freq) {
+ unsigned int i, size = P2P_MAX_PREF_CHANNELS;
+ unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS];
+ int res;
+
+ res = wpa_drv_get_pref_freq_list(wpa_s, WPA_IF_P2P_GO,
+ &size, pref_freq_list);
+ if (!res && size > 0) {
+ i = 0;
+ while (wpas_p2p_disallowed_freq(wpa_s->global,
+ pref_freq_list[i]) &&
+ i < size) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: preferred_freq_list[%d]=%d is disallowed",
+ i, pref_freq_list[i]);
+ i++;
+ }
+ if (i != size) {
+ freq = pref_freq_list[i];
+ wpa_printf(MSG_DEBUG,
+ "P2P: Using preferred_freq_list[%d]=%d",
+ i, freq);
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "P2P: All driver preferred frequencies are disallowed for P2P use");
+ }
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "P2P: No preferred frequency list available");
+ }
+ }
+
if (freq == 2) {
wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
"band");
wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
"channel: %d MHz", freq);
} else {
- os_get_random((u8 *) &r, sizeof(r));
+ if (os_get_random((u8 *) &r, sizeof(r)) < 0)
+ return -1;
freq = 2412 + (r % 3) * 25;
wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
"channel: %d MHz", freq);
wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
"channel: %d MHz", freq);
} else {
- os_get_random((u8 *) &r, sizeof(r));
+ if (os_get_random((u8 *) &r, sizeof(r)) < 0)
+ return -1;
freq = 5180 + (r % 4) * 20;
if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
wpa_printf(MSG_DEBUG, "P2P: Could not select "
}
if (freq > 0 && !p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
+ if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
+ ieee80211_is_dfs(freq)) {
+ /*
+ * If freq is a DFS channel and DFS is offloaded to the
+ * driver, allow P2P GO to use it.
+ */
+ wpa_printf(MSG_DEBUG, "P2P: "
+ "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
+ __func__, freq);
+ return freq;
+ }
wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
"(%u MHz) is not supported for P2P uses",
freq);
}
+static int wpas_p2p_supported_freq_go(struct wpa_supplicant *wpa_s,
+ const struct p2p_channels *channels,
+ int freq)
+{
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, freq) &&
+ p2p_supported_freq_go(wpa_s->global->p2p, freq) &&
+ freq_included(wpa_s, channels, freq))
+ return 1;
+ return 0;
+}
+
+
+static void wpas_p2p_select_go_freq_no_pref(struct wpa_supplicant *wpa_s,
+ struct p2p_go_neg_results *params,
+ const struct p2p_channels *channels)
+{
+ unsigned int i, r;
+
+ /* first try some random selection of the social channels */
+ if (os_get_random((u8 *) &r, sizeof(r)) < 0)
+ return;
+
+ for (i = 0; i < 3; i++) {
+ params->freq = 2412 + ((r + i) % 3) * 25;
+ if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
+ goto out;
+ }
+
+ /* try all other channels in operating class 81 */
+ for (i = 0; i < 11; i++) {
+ params->freq = 2412 + i * 5;
+
+ /* skip social channels; covered in the previous loop */
+ if (params->freq == 2412 ||
+ params->freq == 2437 ||
+ params->freq == 2462)
+ continue;
+
+ if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
+ goto out;
+ }
+
+ /* try all channels in operating class 115 */
+ for (i = 0; i < 4; i++) {
+ params->freq = 5180 + i * 20;
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
+ freq_included(wpa_s, channels, params->freq) &&
+ p2p_supported_freq(wpa_s->global->p2p, params->freq))
+ goto out;
+ }
+
+ /* try all channels in operating class 124 */
+ for (i = 0; i < 4; i++) {
+ params->freq = 5745 + i * 20;
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
+ freq_included(wpa_s, channels, params->freq) &&
+ p2p_supported_freq(wpa_s->global->p2p, params->freq))
+ goto out;
+ }
+
+ /* try social channel class 180 channel 2 */
+ params->freq = 58320 + 1 * 2160;
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
+ freq_included(wpa_s, channels, params->freq) &&
+ p2p_supported_freq(wpa_s->global->p2p, params->freq))
+ goto out;
+
+ /* try all channels in reg. class 180 */
+ for (i = 0; i < 4; i++) {
+ params->freq = 58320 + i * 2160;
+ if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
+ freq_included(wpa_s, channels, params->freq) &&
+ p2p_supported_freq(wpa_s->global->p2p, params->freq))
+ goto out;
+ }
+
+ params->freq = 0;
+ wpa_printf(MSG_DEBUG, "P2P: No 2.4, 5, or 60 GHz channel allowed");
+ return;
+out:
+ wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference known)",
+ params->freq);
+}
+
+
static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
struct p2p_go_neg_results *params,
- int freq, int ht40, int vht,
+ int freq, int vht_center_freq2, int ht40,
+ int vht, int max_oper_chwidth,
const struct p2p_channels *channels)
{
- int res, *freqs;
- unsigned int pref_freq;
+ struct wpa_used_freq_data *freqs;
+ unsigned int cand;
unsigned int num, i;
+ int ignore_no_freqs = 0;
+ int unused_channels = wpas_p2p_num_unused_channels(wpa_s) > 0;
os_memset(params, 0, sizeof(*params));
params->role_go = 1;
params->ht40 = ht40;
params->vht = vht;
+ params->max_oper_chwidth = max_oper_chwidth;
+ params->vht_center_freq2 = vht_center_freq2;
+
+ freqs = os_calloc(wpa_s->num_multichan_concurrent,
+ sizeof(struct wpa_used_freq_data));
+ if (!freqs)
+ return -1;
+
+ num = get_shared_radio_freqs_data(wpa_s, freqs,
+ wpa_s->num_multichan_concurrent);
+
+ if (wpa_s->current_ssid &&
+ wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO &&
+ wpa_s->wpa_state == WPA_COMPLETED) {
+ wpa_printf(MSG_DEBUG, "P2P: %s called for an active GO",
+ __func__);
+
+ /*
+ * If the frequency selection is done for an active P2P GO that
+ * is not sharing a frequency, allow to select a new frequency
+ * even if there are no unused frequencies as we are about to
+ * move the P2P GO so its frequency can be re-used.
+ */
+ for (i = 0; i < num; i++) {
+ if (freqs[i].freq == wpa_s->current_ssid->frequency &&
+ freqs[i].flags == 0) {
+ ignore_no_freqs = 1;
+ break;
+ }
+ }
+ }
+
+ /* try using the forced freq */
if (freq) {
- if (!freq_included(channels, freq)) {
- wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not "
- "accepted", freq);
- return -1;
+ if (!wpas_p2p_supported_freq_go(wpa_s, channels, freq)) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: Forced GO freq %d MHz not accepted",
+ freq);
+ goto fail;
+ }
+
+ for (i = 0; i < num; i++) {
+ if (freqs[i].freq == freq) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: forced freq (%d MHz) is also shared",
+ freq);
+ params->freq = freq;
+ goto success;
+ }
+ }
+
+ if (!ignore_no_freqs && !unused_channels) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: Cannot force GO on freq (%d MHz) as all the channels are in use",
+ freq);
+ goto fail;
}
- wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced "
- "frequency %d MHz", freq);
+
+ wpa_printf(MSG_DEBUG,
+ "P2P: force GO freq (%d MHz) on a free channel",
+ freq);
params->freq = freq;
- } else if (wpa_s->conf->p2p_oper_reg_class == 81 &&
- wpa_s->conf->p2p_oper_channel >= 1 &&
- wpa_s->conf->p2p_oper_channel <= 11 &&
- freq_included(channels,
- 2407 + 5 * wpa_s->conf->p2p_oper_channel)) {
+ goto success;
+ }
+
+ /* consider using one of the shared frequencies */
+ if (num &&
+ (!wpa_s->conf->p2p_ignore_shared_freq || !unused_channels)) {
+ cand = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
+ if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: Use shared freq (%d MHz) for GO",
+ cand);
+ params->freq = cand;
+ goto success;
+ }
+
+ /* try using one of the shared freqs */
+ for (i = 0; i < num; i++) {
+ if (wpas_p2p_supported_freq_go(wpa_s, channels,
+ freqs[i].freq)) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: Use shared freq (%d MHz) for GO",
+ freqs[i].freq);
+ params->freq = freqs[i].freq;
+ goto success;
+ }
+ }
+ }
+
+ if (!ignore_no_freqs && !unused_channels) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: Cannot force GO on any of the channels we are already using");
+ goto fail;
+ }
+
+ /* try using the setting from the configuration file */
+ if (wpa_s->conf->p2p_oper_reg_class == 81 &&
+ wpa_s->conf->p2p_oper_channel >= 1 &&
+ wpa_s->conf->p2p_oper_channel <= 11 &&
+ wpas_p2p_supported_freq_go(
+ wpa_s, channels,
+ 2407 + 5 * wpa_s->conf->p2p_oper_channel)) {
params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
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 == 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) &&
- freq_included(channels,
- 5000 + 5 * wpa_s->conf->p2p_oper_channel)) {
+ goto success;
+ }
+
+ if ((wpa_s->conf->p2p_oper_reg_class == 115 ||
+ 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 == 125 ||
+ wpa_s->conf->p2p_oper_reg_class == 126 ||
+ wpa_s->conf->p2p_oper_reg_class == 127) &&
+ wpas_p2p_supported_freq_go(wpa_s, channels,
+ 5000 +
+ 5 * wpa_s->conf->p2p_oper_channel)) {
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);
- } else if (wpa_s->conf->p2p_oper_channel == 0 &&
- wpa_s->best_overall_freq > 0 &&
- p2p_supported_freq_go(wpa_s->global->p2p,
- wpa_s->best_overall_freq) &&
- freq_included(channels, wpa_s->best_overall_freq)) {
+ goto success;
+ }
+
+ /* Try using best channels */
+ if (wpa_s->conf->p2p_oper_channel == 0 &&
+ wpa_s->best_overall_freq > 0 &&
+ wpas_p2p_supported_freq_go(wpa_s, channels,
+ wpa_s->best_overall_freq)) {
params->freq = wpa_s->best_overall_freq;
wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall "
"channel %d MHz", params->freq);
- } else if (wpa_s->conf->p2p_oper_channel == 0 &&
- wpa_s->best_24_freq > 0 &&
- p2p_supported_freq_go(wpa_s->global->p2p,
- wpa_s->best_24_freq) &&
- freq_included(channels, wpa_s->best_24_freq)) {
+ goto success;
+ }
+
+ if (wpa_s->conf->p2p_oper_channel == 0 &&
+ wpa_s->best_24_freq > 0 &&
+ wpas_p2p_supported_freq_go(wpa_s, channels,
+ wpa_s->best_24_freq)) {
params->freq = wpa_s->best_24_freq;
wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz "
"channel %d MHz", params->freq);
- } else if (wpa_s->conf->p2p_oper_channel == 0 &&
- wpa_s->best_5_freq > 0 &&
- p2p_supported_freq_go(wpa_s->global->p2p,
- wpa_s->best_5_freq) &&
- freq_included(channels, wpa_s->best_5_freq)) {
+ goto success;
+ }
+
+ if (wpa_s->conf->p2p_oper_channel == 0 &&
+ wpa_s->best_5_freq > 0 &&
+ wpas_p2p_supported_freq_go(wpa_s, channels,
+ wpa_s->best_5_freq)) {
params->freq = wpa_s->best_5_freq;
wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz "
"channel %d MHz", params->freq);
- } else if ((pref_freq = p2p_get_pref_freq(wpa_s->global->p2p,
- channels))) {
- params->freq = pref_freq;
+ goto success;
+ }
+
+ /* try using preferred channels */
+ cand = p2p_get_pref_freq(wpa_s->global->p2p, channels);
+ if (cand && wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
+ params->freq = cand;
wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz from preferred "
"channels", params->freq);
- } else {
- int chan;
- for (chan = 0; chan < 11; chan++) {
- params->freq = 2412 + chan * 5;
- if (!wpas_p2p_disallowed_freq(wpa_s->global,
- params->freq) &&
- freq_included(channels, params->freq))
- break;
- }
- if (chan == 11) {
- wpa_printf(MSG_DEBUG, "P2P: No 2.4 GHz channel "
- "allowed");
- return -1;
+ goto success;
+ }
+
+ /* Try using one of the group common freqs */
+ if (wpa_s->p2p_group_common_freqs) {
+ for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) {
+ cand = wpa_s->p2p_group_common_freqs[i];
+ if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
+ params->freq = cand;
+ wpa_printf(MSG_DEBUG,
+ "P2P: Use freq %d MHz common with the peer",
+ params->freq);
+ goto success;
+ }
}
- wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference "
- "known)", params->freq);
- }
-
- freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int));
- if (!freqs)
- return -1;
-
- res = wpas_p2p_valid_oper_freqs(wpa_s, freqs,
- wpa_s->num_multichan_concurrent);
- if (res < 0) {
- os_free(freqs);
- return -1;
}
- num = res;
- for (i = 0; i < num; i++) {
- if (freq && freqs[i] == freq)
- break;
- if (!freq && freq_included(channels, freqs[i])) {
- wpa_printf(MSG_DEBUG, "P2P: Force GO on a channel we are already using (%u MHz)",
- freqs[i]);
- params->freq = freqs[i];
- break;
- }
- }
+ /* no preference, select some channel */
+ wpas_p2p_select_go_freq_no_pref(wpa_s, params, channels);
- if (i == num) {
- if (wpas_p2p_num_unused_channels(wpa_s) <= 0) {
- if (freq)
- wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on freq (%u MHz) as all the channels are in use", freq);
- else
- wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on any of the channels we are already using");
- os_free(freqs);
- return -1;
- } else if (num == 0) {
- wpa_printf(MSG_DEBUG, "P2P: Use one of the free channels");
- } else {
- wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels");
- }
+ if (params->freq == 0) {
+ wpa_printf(MSG_DEBUG, "P2P: did not find a freq for GO use");
+ goto fail;
}
+success:
os_free(freqs);
return 0;
+fail:
+ os_free(freqs);
+ return -1;
}
struct wpa_supplicant *group_wpa_s;
if (!wpas_p2p_create_iface(wpa_s)) {
- wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use same interface for group "
- "operations");
+ if (wpa_s->p2p_mgmt) {
+ /*
+ * We may be called on the p2p_dev interface which
+ * cannot be used for group operations, so always use
+ * the primary interface.
+ */
+ wpa_s->parent->p2pdev = wpa_s;
+ wpa_s = wpa_s->parent;
+ }
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Use primary interface for group operations");
wpa_s->p2p_first_connection_timeout = 0;
+ if (wpa_s != wpa_s->p2pdev)
+ wpas_p2p_clone_config(wpa_s, wpa_s->p2pdev);
return wpa_s;
}
* @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
* @persistent_group: Whether to create a persistent group
* @freq: Frequency for the group or 0 to indicate no hardcoding
+ * @vht_center_freq2: segment_1 center frequency for GO operating in VHT 80P80
* @ht40: Start GO with 40 MHz channel width
* @vht: Start GO with VHT support
+ * @vht_chwidth: channel bandwidth for GO operating with VHT support
* Returns: 0 on success, -1 on failure
*
* This function creates a new P2P group with the local end as the Group Owner,
* i.e., without using Group Owner Negotiation.
*/
int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
- int freq, int ht40, int vht)
+ int freq, int vht_center_freq2, int ht40, int vht,
+ int max_oper_chwidth)
{
struct p2p_go_neg_results params;
if (freq < 0)
return -1;
- if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40, vht, NULL))
+ if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, vht_center_freq2,
+ ht40, vht, max_oper_chwidth, NULL))
return -1;
if (params.freq &&
!p2p_supported_freq_go(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;
+ if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
+ ieee80211_is_dfs(params.freq)) {
+ /*
+ * If freq is a DFS channel and DFS is offloaded to the
+ * driver, allow P2P GO to use it.
+ */
+ wpa_printf(MSG_DEBUG,
+ "P2P: %s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to driver",
+ __func__, params.freq);
+ } else {
+ 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;
static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
- struct wpa_ssid *params, int addr_allocated)
+ struct wpa_ssid *params, int addr_allocated,
+ int freq, int force_scan)
{
struct wpa_ssid *ssid;
wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
if (wpa_s == NULL)
return -1;
+ if (force_scan)
+ os_get_reltime(&wpa_s->scan_min_time);
wpa_s->p2p_last_4way_hs_fail = NULL;
wpa_supplicant_ap_deinit(wpa_s);
ssid = wpa_config_add_network(wpa_s->conf);
if (ssid == NULL)
return -1;
+ os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
wpa_config_set_network_defaults(ssid);
ssid->temporary = 1;
ssid->proto = WPA_PROTO_RSN;
- ssid->pairwise_cipher = WPA_CIPHER_CCMP;
- ssid->group_cipher = WPA_CIPHER_CCMP;
+ ssid->pbss = params->pbss;
+ ssid->pairwise_cipher = params->pbss ? WPA_CIPHER_GCMP :
+ WPA_CIPHER_CCMP;
+ ssid->group_cipher = params->pbss ? WPA_CIPHER_GCMP : WPA_CIPHER_CCMP;
ssid->key_mgmt = WPA_KEY_MGMT_PSK;
ssid->ssid = os_malloc(params->ssid_len);
if (ssid->ssid == NULL) {
ssid->passphrase = os_strdup(params->passphrase);
wpa_s->show_group_started = 1;
+ wpa_s->p2p_in_invitation = 1;
+ wpa_s->p2p_invite_go_freq = freq;
+ wpa_s->p2p_go_group_formation_completed = 0;
+ wpa_s->global->p2p_group_formation = wpa_s;
+ eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev,
+ NULL);
+ eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
+ wpas_p2p_group_formation_timeout,
+ wpa_s->p2pdev, NULL);
wpa_supplicant_select_network(wpa_s, ssid);
return 0;
int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid, int addr_allocated,
- int freq, int ht40, int vht,
+ int force_freq, int neg_freq,
+ int vht_center_freq2, int ht40,
+ int vht, int max_oper_chwidth,
const struct p2p_channels *channels,
- int connection_timeout)
+ int connection_timeout, int force_scan)
{
struct p2p_go_neg_results params;
- int go = 0;
+ int go = 0, freq;
if (ssid->disabled != 2 || ssid->ssid == NULL)
return -1;
go == (ssid->mode == WPAS_MODE_P2P_GO)) {
wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is "
"already running");
+ if (go == 0 &&
+ eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
+ wpa_s->p2pdev, NULL)) {
+ /*
+ * This can happen if Invitation Response frame was lost
+ * and the peer (GO of a persistent group) tries to
+ * invite us again. Reschedule the timeout to avoid
+ * terminating the wait for the connection too early
+ * since we now know that the peer is still trying to
+ * invite us instead of having already started the GO.
+ */
+ wpa_printf(MSG_DEBUG,
+ "P2P: Reschedule group formation timeout since peer is still trying to invite us");
+ eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
+ wpas_p2p_group_formation_timeout,
+ wpa_s->p2pdev, NULL);
+ }
return 0;
}
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 (ssid->mode == WPAS_MODE_P2P_GO) {
+ if (force_freq > 0) {
+ freq = wpas_p2p_select_go_freq(wpa_s, force_freq);
+ if (freq < 0)
+ return -1;
+ } else {
+ freq = wpas_p2p_select_go_freq(wpa_s, neg_freq);
+ if (freq < 0 ||
+ (freq > 0 && !freq_included(wpa_s, channels, freq)))
+ freq = 0;
+ }
+ } else if (ssid->mode == WPAS_MODE_INFRA) {
+ freq = neg_freq;
+ if (freq <= 0 || !freq_included(wpa_s, channels, freq)) {
+ struct os_reltime now;
+ struct wpa_bss *bss =
+ wpa_bss_get_p2p_dev_addr(wpa_s, ssid->bssid);
+
+ os_get_reltime(&now);
+ if (bss &&
+ !os_reltime_expired(&now, &bss->last_update, 5) &&
+ freq_included(wpa_s, channels, bss->freq))
+ freq = bss->freq;
+ else
+ freq = 0;
+ }
- freq = wpas_p2p_select_go_freq(wpa_s, freq);
- if (freq < 0)
+ return wpas_start_p2p_client(wpa_s, ssid, addr_allocated, freq,
+ force_scan);
+ } else {
return -1;
+ }
- if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40, vht, channels))
+ if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, vht_center_freq2,
+ ht40, vht, max_oper_chwidth, channels))
return -1;
params.role_go = 1;
if (wpa_s == NULL)
return -1;
+ p2p_channels_to_freqs(channels, params.freq_list, P2P_MAX_CHANNELS);
+
wpa_s->p2p_first_connection_timeout = connection_timeout;
wpas_start_wps_go(wpa_s, ¶ms, 0);
struct p2p_group *group;
struct p2p_group_config *cfg;
- if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL ||
+ !ssid->p2p_group)
return NULL;
cfg = os_zalloc(sizeof(*cfg));
cfg->cb_ctx = wpa_s;
cfg->ie_update = wpas_p2p_ie_update;
cfg->idle_update = wpas_p2p_idle_update;
+ cfg->ip_addr_alloc = WPA_GET_BE32(wpa_s->p2pdev->conf->ip_addr_start)
+ != 0;
group = p2p_group_init(wpa_s->global->p2p, cfg);
if (group == NULL)
p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr);
}
- eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent,
+ eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev,
NULL);
wpa_s->p2p_go_group_formation_completed = 1;
if (ssid && ssid->mode == WPAS_MODE_INFRA) {
P2P_MAX_INITIAL_CONN_WAIT);
eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
+ /* Complete group formation on successful data connection. */
+ wpa_s->p2p_go_group_formation_completed = 0;
} else if (ssid) {
/*
* Use a separate timeout for initial data connection to
P2P_MAX_INITIAL_CONN_WAIT_GO);
eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO, 0,
wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
/*
* Complete group formation on first successful data connection
*/
}
if (wpa_s->global->p2p)
p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
- wpas_group_formation_completed(wpa_s, 1);
+ wpas_group_formation_completed(wpa_s, 1, 0);
}
wpa_s->global->p2p_fail_on_wps_complete = 1;
eloop_deplete_timeout(0, 50000,
wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
}
}
int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
const char *config_method,
- enum wpas_p2p_prov_disc_use use)
+ enum wpas_p2p_prov_disc_use use,
+ struct p2ps_provision *p2ps_prov)
{
u16 config_methods;
+ wpa_s->global->pending_p2ps_group = 0;
+ wpa_s->global->pending_p2ps_group_freq = 0;
wpa_s->p2p_fallback_to_go_neg = 0;
wpa_s->pending_pd_use = NORMAL_PD;
- if (os_strncmp(config_method, "display", 7) == 0)
+ if (p2ps_prov && use == WPAS_P2P_PD_FOR_ASP) {
+ p2ps_prov->conncap = p2ps_group_capability(
+ wpa_s, P2PS_SETUP_NONE, p2ps_prov->role,
+ &p2ps_prov->force_freq, &p2ps_prov->pref_freq);
+
+ wpa_printf(MSG_DEBUG,
+ "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
+ __func__, p2ps_prov->conncap,
+ p2ps_prov->adv_id, p2ps_prov->conncap,
+ p2ps_prov->status, p2ps_prov->info);
+
+ config_methods = 0;
+ } else if (os_strncmp(config_method, "display", 7) == 0)
config_methods = WPS_CONFIG_DISPLAY;
else if (os_strncmp(config_method, "keypad", 6) == 0)
config_methods = WPS_CONFIG_KEYPAD;
config_methods = WPS_CONFIG_PUSHBUTTON;
else {
wpa_printf(MSG_DEBUG, "P2P: Unknown config method");
+ os_free(p2ps_prov);
return -1;
}
return 0;
}
- if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
+ if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) {
+ os_free(p2ps_prov);
return -1;
+ }
- return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr,
+ return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr, p2ps_prov,
config_methods, use == WPAS_P2P_PD_FOR_JOIN,
0, 1);
}
if (!offchannel_pending_action_tx(wpa_s))
return;
+ if (wpa_s->p2p_send_action_work) {
+ wpas_p2p_free_send_action_work(wpa_s);
+ eloop_cancel_timeout(wpas_p2p_send_action_work_timeout,
+ wpa_s, NULL);
+ offchannel_send_action_done(wpa_s);
+ }
+
wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
"operation request");
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, unsigned int search_delay)
+ const u8 *dev_id, unsigned int search_delay,
+ u8 seek_cnt, const char **seek_string, int freq)
{
wpas_p2p_clear_pending_action_tx(wpa_s);
wpa_s->p2p_long_listen = 0;
return p2p_find(wpa_s->global->p2p, timeout, type,
num_req_dev_types, req_dev_types, dev_id,
- search_delay);
+ search_delay, seek_cnt, seek_string, freq);
+}
+
+
+static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res)
+{
+ wpa_printf(MSG_DEBUG, "P2P: Ignore scan results");
+
+ if (wpa_s->p2p_scan_work) {
+ struct wpa_radio_work *work = wpa_s->p2p_scan_work;
+ wpa_s->p2p_scan_work = NULL;
+ radio_work_done(work);
+ }
+
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return;
+
+ /*
+ * Indicate that results have been processed so that the P2P module can
+ * continue pending tasks.
+ */
+ p2p_scan_res_handled(wpa_s->global->p2p);
}
-static int wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s)
+static void wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s)
{
wpas_p2p_clear_pending_action_tx(wpa_s);
wpa_s->p2p_long_listen = 0;
if (wpa_s->global->p2p)
p2p_stop_find(wpa_s->global->p2p);
- return 0;
+ if (wpa_s->scan_res_handler == wpas_p2p_scan_res_handler) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: Do not consider the scan results after stop_find");
+ wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore_search;
+ }
}
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);
+ wpas_p2p_stop_find_oper(wpa_s);
+ if (!wpa_s->global->pending_group_iface_for_p2ps)
+ wpas_p2p_remove_pending_group_interface(wpa_s);
}
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return -1;
+ if (wpa_s->p2p_lo_started) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: Cannot start P2P listen, it is offloaded");
+ return -1;
+ }
+
wpa_supplicant_cancel_sched_scan(wpa_s);
wpas_p2p_clear_pending_action_tx(wpa_s);
if (wpa_s->global->p2p_disabled)
return -1;
+ /*
+ * Advertize mandatory cross connection capability even on
+ * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP.
+ */
+ if (wpa_s->conf->p2p_disabled && p2p_group)
+ return -1;
if (wpa_s->global->p2p == NULL)
return -1;
if (bss == NULL)
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, int ssi_signal)
+ const u8 *ie, size_t ie_len,
+ unsigned int rx_freq, int ssi_signal)
{
if (wpa_s->global->p2p_disabled)
return 0;
return 0;
switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid,
- ie, ie_len)) {
+ ie, ie_len, rx_freq, wpa_s->p2p_lo_started)) {
case P2P_PREQ_NOT_P2P:
wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len,
ssi_signal);
void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
{
+ unsigned int bands;
+
if (wpa_s->global->p2p_disabled)
return;
if (wpa_s->global->p2p == NULL)
return;
- p2p_scan_ie(wpa_s->global->p2p, ies, NULL);
+ bands = wpas_get_bands(wpa_s, NULL);
+ p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands);
}
-void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
+static void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
{
p2p_group_deinit(wpa_s->p2p_group);
wpa_s->p2p_group = NULL;
/* 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, int freq,
- int ht40, int vht, int pref_freq)
+ int vht_center_freq2, int ht40, int vht, int max_chwidth,
+ int pref_freq)
{
enum p2p_invite_role role;
u8 *bssid = NULL;
int force_freq = 0;
int res;
int no_pref_freq_given = pref_freq == 0;
+ unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
wpa_s->global->p2p_invite_group = NULL;
if (peer_addr)
wpa_s->p2p_persistent_go_freq = freq;
wpa_s->p2p_go_ht40 = !!ht40;
+ wpa_s->p2p_go_vht = !!vht;
+ wpa_s->p2p_go_max_oper_chwidth = max_chwidth;
+ wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2;
if (ssid->mode == WPAS_MODE_P2P_GO) {
role = P2P_INVITE_ROLE_GO;
if (peer_addr == NULL) {
return -1;
}
bssid = wpa_s->pending_interface_addr;
- } else
+ } else if (wpa_s->p2p_mgmt)
+ bssid = wpa_s->parent->own_addr;
+ else
bssid = wpa_s->own_addr;
} else {
role = P2P_INVITE_ROLE_CLIENT;
}
wpa_s->pending_invite_ssid_id = ssid->id;
+ size = P2P_MAX_PREF_CHANNELS;
res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
- role == P2P_INVITE_ROLE_GO);
+ role == P2P_INVITE_ROLE_GO,
+ pref_freq_list, &size);
if (res)
return res;
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return -1;
+ p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size);
+
if (wpa_s->parent->conf->p2p_ignore_shared_freq &&
no_pref_freq_given && pref_freq > 0 &&
wpa_s->num_multichan_concurrent > 1 &&
pref_freq = 0;
}
+ /*
+ * Stop any find/listen operations before invitation and possibly
+ * connection establishment.
+ */
+ wpas_p2p_stop_find_oper(wpa_s);
+
return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
ssid->ssid, ssid->ssid_len, force_freq, go_dev_addr,
- 1, pref_freq);
+ 1, pref_freq, -1);
}
int persistent;
int freq = 0, force_freq = 0, pref_freq = 0;
int res;
+ unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size;
wpa_s->p2p_persistent_go_freq = 0;
wpa_s->p2p_go_ht40 = 0;
wpa_s->p2p_go_vht = 0;
+ wpa_s->p2p_go_vht_center_freq2 = 0;
+ wpa_s->p2p_go_max_oper_chwidth = 0;
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
if (os_strcmp(wpa_s->ifname, ifname) == 0)
wpa_s->global->p2p_invite_group = wpa_s;
persistent = ssid->p2p_persistent_group &&
- wpas_p2p_get_persistent(wpa_s->parent, peer_addr,
+ wpas_p2p_get_persistent(wpa_s->p2pdev, peer_addr,
ssid->ssid, ssid->ssid_len);
if (ssid->mode == WPAS_MODE_P2P_GO) {
freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
(int) wpa_s->assoc_freq;
}
- wpa_s->parent->pending_invite_ssid_id = -1;
+ wpa_s->p2pdev->pending_invite_ssid_id = -1;
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return -1;
+ size = P2P_MAX_PREF_CHANNELS;
res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq,
- role == P2P_INVITE_ROLE_ACTIVE_GO);
+ role == P2P_INVITE_ROLE_ACTIVE_GO,
+ pref_freq_list, &size);
if (res)
return res;
wpas_p2p_set_own_freq_preference(wpa_s, force_freq);
return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
ssid->ssid, ssid->ssid_len, force_freq,
- go_dev_addr, persistent, pref_freq);
+ go_dev_addr, persistent, pref_freq, -1);
}
void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
{
struct wpa_ssid *ssid = wpa_s->current_ssid;
- const char *ssid_txt;
u8 go_dev_addr[ETH_ALEN];
- int network_id = -1;
int persistent;
int freq;
u8 ip[3 * 4];
if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) {
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
}
if (!wpa_s->show_group_started || !ssid)
return;
wpa_s->show_group_started = 0;
+ if (!wpa_s->p2p_go_group_formation_completed &&
+ wpa_s->global->p2p_group_formation == wpa_s) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Marking group formation completed on client on data connection");
+ wpa_s->p2p_go_group_formation_completed = 1;
+ wpa_s->global->p2p_group_formation = NULL;
+ wpa_s->p2p_in_provisioning = 0;
+ wpa_s->p2p_in_invitation = 0;
+ }
- ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
os_memset(go_dev_addr, 0, ETH_ALEN);
if (ssid->bssid_set)
os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
ip_addr[0] = '\0';
if (wpa_sm_get_p2p_ip_addr(wpa_s->wpa, ip) == 0) {
- os_snprintf(ip_addr, sizeof(ip_addr), " ip_addr=%u.%u.%u.%u "
- "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
- ip[0], ip[1], ip[2], ip[3],
- ip[4], ip[5], ip[6], ip[7],
- ip[8], ip[9], ip[10], ip[11]);
- }
-
- if (ssid->passphrase == NULL && ssid->psk_set) {
- char psk[65];
- wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
- wpa_msg_global(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
- "%s client ssid=\"%s\" freq=%d psk=%s "
- "go_dev_addr=" MACSTR "%s%s",
- wpa_s->ifname, ssid_txt, freq, psk,
- MAC2STR(go_dev_addr),
- persistent ? " [PERSISTENT]" : "", ip_addr);
- } else {
- wpa_msg_global(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
- "%s client ssid=\"%s\" freq=%d "
- "passphrase=\"%s\" go_dev_addr=" MACSTR "%s%s",
- wpa_s->ifname, ssid_txt, freq,
- ssid->passphrase ? ssid->passphrase : "",
- MAC2STR(go_dev_addr),
- persistent ? " [PERSISTENT]" : "", ip_addr);
+ int res;
+
+ res = os_snprintf(ip_addr, sizeof(ip_addr),
+ " ip_addr=%u.%u.%u.%u "
+ "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
+ ip[0], ip[1], ip[2], ip[3],
+ ip[4], ip[5], ip[6], ip[7],
+ ip[8], ip[9], ip[10], ip[11]);
+ if (os_snprintf_error(sizeof(ip_addr), res))
+ ip_addr[0] = '\0';
}
+ wpas_p2p_group_started(wpa_s, 0, ssid, freq,
+ ssid->passphrase == NULL && ssid->psk_set ?
+ ssid->psk : NULL,
+ ssid->passphrase, go_dev_addr, persistent,
+ ip_addr);
+
if (persistent)
- network_id = wpas_p2p_store_persistent_group(wpa_s->parent,
- ssid, go_dev_addr);
- if (network_id < 0)
- network_id = ssid->id;
- wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1);
+ wpas_p2p_store_persistent_group(wpa_s->p2pdev,
+ ssid, go_dev_addr);
+
+ wpas_notify_p2p_group_started(wpa_s, ssid, persistent, 1);
}
u8 reg_class, channel;
int ret;
unsigned int r;
+ u8 channel_forced;
+
if (wpa_s->conf->p2p_listen_reg_class &&
wpa_s->conf->p2p_listen_channel) {
reg_class = wpa_s->conf->p2p_listen_reg_class;
channel = wpa_s->conf->p2p_listen_channel;
+ channel_forced = 1;
} else {
reg_class = 81;
/*
* Pick one of the social channels randomly as the
* listen channel.
*/
- os_get_random((u8 *) &r, sizeof(r));
- channel = 1 + (r % 3) * 5;
+ if (os_get_random((u8 *) &r, sizeof(r)) < 0)
+ channel = 1;
+ else
+ channel = 1 + (r % 3) * 5;
+ channel_forced = 0;
}
- ret = p2p_set_listen_channel(p2p, reg_class, channel);
+ ret = p2p_set_listen_channel(p2p, reg_class, channel,
+ channel_forced);
if (ret)
wpa_printf(MSG_ERROR, "P2P: Own listen channel update "
"failed: %d", ret);
* Use random operation channel from (1, 6, 11)
*if no other preference is indicated.
*/
- os_get_random((u8 *) &r, sizeof(r));
- op_channel = 1 + (r % 3) * 5;
+ if (os_get_random((u8 *) &r, sizeof(r)) < 0)
+ op_channel = 1;
+ else
+ op_channel = 1 + (r % 3) * 5;
cfg_op_channel = 0;
}
ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel,
"update failed");
}
}
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PASSPHRASE_LEN)
+ p2p_set_passphrase_len(p2p, wpa_s->conf->p2p_passphrase_len);
}
iface->cross_connect_enabled = 0;
iface->cross_connect_in_use = 0;
- wpa_msg_global(iface->parent, MSG_INFO,
+ wpa_msg_global(iface->p2pdev, MSG_INFO,
P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
iface->ifname,
iface->cross_connect_uplink);
continue;
iface->cross_connect_in_use = 1;
- wpa_msg_global(iface->parent, MSG_INFO,
+ wpa_msg_global(iface->p2pdev, MSG_INFO,
P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
iface->ifname, iface->cross_connect_uplink);
}
if (!iface->cross_connect_in_use)
continue;
- wpa_msg_global(iface->parent, MSG_INFO,
+ wpa_msg_global(iface->p2pdev, MSG_INFO,
P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
iface->ifname, iface->cross_connect_uplink);
iface->cross_connect_in_use = 0;
if (iface->drv_flags &
WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
continue;
- if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)
+ if ((iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) &&
+ iface != wpa_s->parent)
continue;
wpa_s->cross_connect_enabled = 1;
break;
wpa_s->cross_connect_in_use = 1;
- wpa_msg_global(wpa_s->parent, MSG_INFO,
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
wpa_s->ifname, wpa_s->cross_connect_uplink);
break;
wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
"session overlap");
- if (wpa_s != wpa_s->parent)
- wpa_msg_ctrl(wpa_s->parent, MSG_INFO, WPS_EVENT_OVERLAP);
- wpas_p2p_group_formation_failed(wpa_s);
+ if (wpa_s != wpa_s->p2pdev)
+ wpa_msg_ctrl(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_OVERLAP);
+ wpas_p2p_group_formation_failed(wpa_s, 0);
return 1;
}
-void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s)
+void wpas_p2p_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ wpas_p2p_notif_pbc_overlap(wpa_s);
+}
+
+
+void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s,
+ enum wpas_p2p_channel_update_trig trig)
{
struct p2p_channels chan, cli_chan;
+ struct wpa_used_freq_data *freqs = NULL;
+ unsigned int num = wpa_s->num_multichan_concurrent;
if (wpa_s->global == NULL || wpa_s->global->p2p == NULL)
return;
+ freqs = os_calloc(num, sizeof(struct wpa_used_freq_data));
+ if (!freqs)
+ return;
+
+ num = get_shared_radio_freqs_data(wpa_s, freqs, num);
+
os_memset(&chan, 0, sizeof(chan));
os_memset(&cli_chan, 0, sizeof(cli_chan));
if (wpas_p2p_setup_channels(wpa_s, &chan, &cli_chan)) {
}
p2p_update_channel_list(wpa_s->global->p2p, &chan, &cli_chan);
+
+ wpas_p2p_optimize_listen_channel(wpa_s, freqs, num);
+
+ /*
+ * The used frequencies map changed, so it is possible that a GO is
+ * using a channel that is no longer valid for P2P use. It is also
+ * possible that due to policy consideration, it would be preferable to
+ * move it to a frequency already used by other station interfaces.
+ */
+ wpas_p2p_consider_moving_gos(wpa_s, freqs, num, trig);
+
+ os_free(freqs);
}
wpa_s->ifname);
found = 1;
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
if (wpa_s->p2p_in_provisioning) {
- wpas_group_formation_completed(wpa_s, 0);
+ wpas_group_formation_completed(wpa_s, 0, 0);
break;
}
wpas_p2p_group_delete(wpa_s,
P2P_GROUP_REMOVAL_REQUESTED);
break;
+ } else if (wpa_s->p2p_in_invitation) {
+ wpa_printf(MSG_DEBUG, "P2P: Interface %s in invitation found - cancelling",
+ wpa_s->ifname);
+ found = 1;
+ wpas_p2p_group_formation_failed(wpa_s, 0);
+ break;
}
}
{
if (wpa_s->p2p_in_provisioning && ssid->p2p_group &&
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL) > 0) {
+ wpa_s->p2pdev, NULL) > 0) {
/**
* Remove the network by scheduling the group formation
* timeout to happen immediately. The teardown code
wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to "
"P2P group network getting removed");
eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL);
+ wpa_s->p2pdev, NULL);
}
}
if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL)
continue;
for (i = 0; i < s->num_p2p_clients; i++) {
- if (os_memcmp(s->p2p_client_list + i * ETH_ALEN,
+ if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN,
addr, ETH_ALEN) == 0)
return s; /* peer is P2P client in persistent
* group */
const u8 *addr)
{
if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
- wpa_s->parent, NULL) > 0) {
+ wpa_s->p2pdev, NULL) > 0) {
/*
* This can happen if WPS provisioning step is not terminated
* cleanly (e.g., P2P Client does not send WSC_Done). Since the
* provisioning step.
*/
wpa_printf(MSG_DEBUG, "P2P: Canceled P2P group formation timeout on data connection");
+
+ if (!wpa_s->p2p_go_group_formation_completed &&
+ !wpa_s->group_formation_reported) {
+ /*
+ * GO has not yet notified group formation success since
+ * the WPS step was not completed cleanly. Do that
+ * notification now since the P2P Client was able to
+ * connect and as such, must have received the
+ * credential from the WPS step.
+ */
+ if (wpa_s->global->p2p)
+ p2p_wps_success_cb(wpa_s->global->p2p, addr);
+ wpas_group_formation_completed(wpa_s, 1, 0);
+ }
}
if (!wpa_s->p2p_go_group_formation_completed) {
wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Marking group formation completed on GO on first data connection");
wpa_s->p2p_go_group_formation_completed = 1;
wpa_s->global->p2p_group_formation = NULL;
wpa_s->p2p_in_provisioning = 0;
+ wpa_s->p2p_in_invitation = 0;
}
wpa_s->global->p2p_go_wait_client.sec = 0;
if (addr == NULL)
}
-static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
- int group_added)
+static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
+ int group_added)
{
struct wpa_supplicant *group = wpa_s;
+ int ret = 0;
+
if (wpa_s->global->p2p_group_formation)
group = wpa_s->global->p2p_group_formation;
- wpa_s = wpa_s->parent;
+ wpa_s = wpa_s->global->p2p_init_wpa_s;
offchannel_send_action_done(wpa_s);
if (group_added)
- wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT);
+ ret = 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_go_vht_center_freq2,
wpa_s->p2p_persistent_id,
wpa_s->p2p_pd_before_go_neg,
wpa_s->p2p_go_ht40,
- wpa_s->p2p_go_vht);
+ wpa_s->p2p_go_vht,
+ wpa_s->p2p_go_max_oper_chwidth, NULL, 0);
+ return ret;
}
int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s)
{
+ int res;
+
if (!wpa_s->p2p_fallback_to_go_neg ||
wpa_s->p2p_in_provisioning <= 5)
return 0;
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);
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO, P2P_EVENT_FALLBACK_TO_GO_NEG
+ "reason=GO-not-found");
+ res = wpas_p2p_fallback_to_go_neg(wpa_s, 1);
- return 1;
+ return res == 1 ? 2 : 1;
}
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;
+ wpa_s->conf->p2p_search_delay);
+ return wpa_s->conf->p2p_search_delay;
}
dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
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;
+ wpa_s->conf->p2p_search_delay,
+ ifs->ifname);
+ return wpa_s->conf->p2p_search_delay;
}
}
{
struct wpa_ssid *ssid = wpa_s->current_ssid;
struct wpa_ssid *persistent;
- struct psk_list_entry *p;
+ struct psk_list_entry *p, *last;
if (psk_len != sizeof(p->psk))
return;
return;
}
- persistent = wpas_p2p_get_persistent(wpa_s->parent, NULL, ssid->ssid,
+ persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, NULL, ssid->ssid,
ssid->ssid_len);
if (!persistent) {
wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not find persistent group information to store the new PSK");
}
os_memcpy(p->psk, psk, psk_len);
- if (dl_list_len(&persistent->psk_list) > P2P_MAX_STORED_CLIENTS) {
- struct psk_list_entry *last;
- last = dl_list_last(&persistent->psk_list,
- struct psk_list_entry, list);
+ if (dl_list_len(&persistent->psk_list) > P2P_MAX_STORED_CLIENTS &&
+ (last = dl_list_last(&persistent->psk_list,
+ struct psk_list_entry, list))) {
wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove oldest PSK entry for "
MACSTR " (p2p=%u) to make room for a new one",
MAC2STR(last->addr), last->p2p);
os_free(last);
}
- wpas_p2p_remove_psk_entry(wpa_s->parent, persistent,
+ wpas_p2p_remove_psk_entry(wpa_s->p2pdev, persistent,
p2p_dev_addr ? p2p_dev_addr : mac_addr,
p2p_dev_addr == NULL);
if (p2p_dev_addr) {
}
dl_list_add(&persistent->psk_list, &p->list);
-#ifndef CONFIG_NO_CONFIG_WRITE
- if (wpa_s->parent->conf->update_config &&
- wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf))
+ if (wpa_s->p2pdev->conf->update_config &&
+ wpa_config_write(wpa_s->p2pdev->confname, wpa_s->p2pdev->conf))
wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
-#endif /* CONFIG_NO_CONFIG_WRITE */
}
{
int res;
- res = wpas_p2p_remove_psk_entry(wpa_s, s, addr, iface_addr);
- if (res > 0) {
-#ifndef CONFIG_NO_CONFIG_WRITE
- if (wpa_s->conf->update_config &&
- wpa_config_write(wpa_s->confname, wpa_s->conf))
- wpa_dbg(wpa_s, MSG_DEBUG,
- "P2P: Failed to update configuration");
-#endif /* CONFIG_NO_CONFIG_WRITE */
- }
+ res = wpas_p2p_remove_psk_entry(wpa_s, s, addr, iface_addr);
+ if (res > 0 && wpa_s->conf->update_config &&
+ wpa_config_write(wpa_s->confname, wpa_s->conf))
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Failed to update configuration");
}
{
struct wpa_ssid *s;
struct wpa_supplicant *w;
+ struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove client " MACSTR, MAC2STR(peer));
/* Remove from any persistent group */
- for (s = wpa_s->parent->conf->ssid; s; s = s->next) {
+ for (s = p2p_wpa_s->conf->ssid; s; s = s->next) {
if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO)
continue;
if (!iface_addr)
- wpas_remove_persistent_peer(wpa_s, s, peer, 0);
- wpas_p2p_remove_psk(wpa_s->parent, s, peer, iface_addr);
+ wpas_remove_persistent_peer(p2p_wpa_s, s, peer, 0);
+ wpas_p2p_remove_psk(p2p_wpa_s, s, peer, iface_addr);
}
/* Remove from any operating group */
wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
MACSTR, MAC2STR(go_dev_addr));
- persistent = wpas_p2p_get_persistent(wpa_s->parent, go_dev_addr,
+ persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, go_dev_addr,
ssid->ssid,
ssid->ssid_len);
if (persistent == NULL || persistent->mode != WPAS_MODE_INFRA) {
wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No matching persistent group stored");
goto disconnect;
}
- wpa_msg_global(wpa_s->parent, MSG_INFO,
+ wpa_msg_global(wpa_s->p2pdev, MSG_INFO,
P2P_EVENT_PERSISTENT_PSK_FAIL "%d",
persistent->id);
disconnect:
return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
WPS_NFC, 0, 0, 1, 0, wpa_s->conf->p2p_go_intent,
- params->go_freq, -1, 0, 1, 1);
+ params->go_freq, wpa_s->p2p_go_vht_center_freq2,
+ -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
+ params->go_ssid_len ? params->go_ssid : NULL,
+ params->go_ssid_len);
}
static int wpas_p2p_nfc_auth_join(struct wpa_supplicant *wpa_s,
- struct p2p_nfc_params *params)
+ struct p2p_nfc_params *params, int tag)
{
+ int res, persistent;
+ struct wpa_ssid *ssid;
+
wpa_printf(MSG_DEBUG, "P2P: Authorize join-group based on NFC "
"connection handover");
for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
- struct wpa_ssid *ssid = wpa_s->current_ssid;
+ ssid = wpa_s->current_ssid;
if (ssid == NULL)
continue;
if (ssid->mode != WPAS_MODE_P2P_GO)
return -1;
}
- if (wpa_s->parent->p2p_oob_dev_pw_id !=
+ if (wpa_s->p2pdev->p2p_oob_dev_pw_id !=
DEV_PW_NFC_CONNECTION_HANDOVER &&
- !wpa_s->parent->p2p_oob_dev_pw) {
+ !wpa_s->p2pdev->p2p_oob_dev_pw) {
wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known");
return -1;
}
- return wpas_ap_wps_add_nfc_pw(
- wpa_s, wpa_s->parent->p2p_oob_dev_pw_id,
- wpa_s->parent->p2p_oob_dev_pw,
- wpa_s->parent->p2p_peer_oob_pk_hash_known ?
- wpa_s->parent->p2p_peer_oob_pubkey_hash : NULL);
+ res = wpas_ap_wps_add_nfc_pw(
+ wpa_s, wpa_s->p2pdev->p2p_oob_dev_pw_id,
+ wpa_s->p2pdev->p2p_oob_dev_pw,
+ wpa_s->p2pdev->p2p_peer_oob_pk_hash_known ?
+ wpa_s->p2pdev->p2p_peer_oob_pubkey_hash : NULL);
+ if (res)
+ return res;
+
+ if (!tag) {
+ wpa_printf(MSG_DEBUG, "P2P: Negotiated handover - wait for peer to join without invitation");
+ return 0;
+ }
+
+ if (!params->peer ||
+ !(params->peer->dev_capab & P2P_DEV_CAPAB_INVITATION_PROCEDURE))
+ return 0;
+
+ wpa_printf(MSG_DEBUG, "P2P: Static handover - invite peer " MACSTR
+ " to join", MAC2STR(params->peer->p2p_device_addr));
+
+ wpa_s->global->p2p_invite_group = wpa_s;
+ persistent = ssid->p2p_persistent_group &&
+ wpas_p2p_get_persistent(wpa_s->p2pdev,
+ params->peer->p2p_device_addr,
+ ssid->ssid, ssid->ssid_len);
+ wpa_s->p2pdev->pending_invite_ssid_id = -1;
+
+ return p2p_invite(wpa_s->global->p2p, params->peer->p2p_device_addr,
+ P2P_INVITE_ROLE_ACTIVE_GO, wpa_s->own_addr,
+ ssid->ssid, ssid->ssid_len, ssid->frequency,
+ wpa_s->global->p2p_dev_addr, persistent, 0,
+ wpa_s->p2pdev->p2p_oob_dev_pw_id);
}
static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant *wpa_s,
- struct p2p_nfc_params *params)
+ struct p2p_nfc_params *params,
+ int forced_freq)
{
wpa_printf(MSG_DEBUG, "P2P: Initiate GO Negotiation based on NFC "
"connection handover");
return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
WPS_NFC, 0, 0, 0, 0, wpa_s->conf->p2p_go_intent,
- 0, -1, 0, 1, 1);
+ forced_freq, wpa_s->p2p_go_vht_center_freq2,
+ -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
+ NULL, 0);
}
static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant *wpa_s,
- struct p2p_nfc_params *params)
+ struct p2p_nfc_params *params,
+ int forced_freq)
{
int res;
"connection handover");
res = wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL,
WPS_NFC, 0, 0, 0, 1, wpa_s->conf->p2p_go_intent,
- 0, -1, 0, 1, 1);
+ forced_freq, wpa_s->p2p_go_vht_center_freq2,
+ -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth,
+ NULL, 0);
if (res)
return res;
static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant *wpa_s,
const struct wpabuf *data,
- int sel, int tag)
+ int sel, int tag, int forced_freq)
{
const u8 *pos, *end;
u16 len, id;
}
len = WPA_GET_BE16(pos);
pos += 2;
- if (pos + len > end) {
+ if (len > end - pos) {
wpa_printf(MSG_DEBUG, "P2P: Not enough data for WSC "
"attributes");
return -1;
}
len = WPA_GET_BE16(pos);
pos += 2;
- if (pos + len > end) {
+ if (len > end - pos) {
wpa_printf(MSG_DEBUG, "P2P: Not enough data for P2P "
"attributes");
return -1;
case JOIN_GROUP:
return wpas_p2p_nfc_join_group(wpa_s, ¶ms);
case AUTH_JOIN:
- return wpas_p2p_nfc_auth_join(wpa_s, ¶ms);
+ return wpas_p2p_nfc_auth_join(wpa_s, ¶ms, tag);
case INIT_GO_NEG:
- return wpas_p2p_nfc_init_go_neg(wpa_s, ¶ms);
+ return wpas_p2p_nfc_init_go_neg(wpa_s, ¶ms, forced_freq);
case RESP_GO_NEG:
/* TODO: use own OOB Dev Pw */
- return wpas_p2p_nfc_resp_go_neg(wpa_s, ¶ms);
+ return wpas_p2p_nfc_resp_go_neg(wpa_s, ¶ms, forced_freq);
}
return -1;
int wpas_p2p_nfc_tag_process(struct wpa_supplicant *wpa_s,
- const struct wpabuf *data)
+ const struct wpabuf *data, int forced_freq)
{
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return -1;
- return wpas_p2p_nfc_connection_handover(wpa_s, data, 1, 1);
+ return wpas_p2p_nfc_connection_handover(wpa_s, data, 1, 1, forced_freq);
}
int wpas_p2p_nfc_report_handover(struct wpa_supplicant *wpa_s, int init,
const struct wpabuf *req,
- const struct wpabuf *sel)
+ const struct wpabuf *sel, int forced_freq)
{
struct wpabuf *tmp;
int ret;
wpabuf_head(req), wpabuf_len(req));
wpa_hexdump_ascii(MSG_DEBUG, "NFC: Sel",
wpabuf_head(sel), wpabuf_len(sel));
+ if (forced_freq)
+ wpa_printf(MSG_DEBUG, "NFC: Forced freq %d", forced_freq);
tmp = ndef_parse_p2p(init ? sel : req);
if (tmp == NULL) {
wpa_printf(MSG_DEBUG, "P2P: Could not parse NDEF");
return -1;
}
- ret = wpas_p2p_nfc_connection_handover(wpa_s, tmp, init, 0);
+ ret = wpas_p2p_nfc_connection_handover(wpa_s, tmp, init, 0,
+ forced_freq);
wpabuf_free(tmp);
return ret;
return -1;
wpa_s->p2p_peer_oob_pk_hash_known = 0;
- wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
+ if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
+ wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT) {
+ /*
+ * P2P Group Interface present and the command came on group
+ * interface, so enable the token for the current interface.
+ */
+ wpa_s->create_p2p_iface = 0;
+ } else {
+ wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
+ }
if (wpa_s->create_p2p_iface) {
enum wpa_driver_if_type iftype;
}
if_addr = wpa_s->pending_interface_addr;
- } else
+ } else if (wpa_s->p2p_mgmt)
+ if_addr = wpa_s->parent->own_addr;
+ else
if_addr = wpa_s->own_addr;
wpa_s->p2p_nfc_tag_enabled = enabled;
}
#endif /* CONFIG_WPS_NFC */
+
+
+static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant *wpa_s,
+ struct wpa_used_freq_data *freqs,
+ unsigned int num)
+{
+ u8 curr_chan, cand, chan;
+ unsigned int i;
+
+ /*
+ * If possible, optimize the Listen channel to be a channel that is
+ * already used by one of the other interfaces.
+ */
+ if (!wpa_s->conf->p2p_optimize_listen_chan)
+ return;
+
+ if (!wpa_s->current_ssid || wpa_s->wpa_state != WPA_COMPLETED)
+ return;
+
+ curr_chan = p2p_get_listen_channel(wpa_s->global->p2p);
+ for (i = 0, cand = 0; i < num; i++) {
+ ieee80211_freq_to_chan(freqs[i].freq, &chan);
+ if (curr_chan == chan) {
+ cand = 0;
+ break;
+ }
+
+ if (chan == 1 || chan == 6 || chan == 11)
+ cand = chan;
+ }
+
+ if (cand) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Update Listen channel to %u based on operating channel",
+ cand);
+ p2p_set_listen_channel(wpa_s->global->p2p, 81, cand, 0);
+ }
+}
+
+
+static int wpas_p2p_move_go_csa(struct wpa_supplicant *wpa_s)
+{
+ struct hostapd_config *conf;
+ struct p2p_go_neg_results params;
+ struct csa_settings csa_settings;
+ struct wpa_ssid *current_ssid = wpa_s->current_ssid;
+ int old_freq = current_ssid->frequency;
+ int ret;
+
+ if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "CSA is not enabled");
+ return -1;
+ }
+
+ /*
+ * TODO: This function may not always work correctly. For example,
+ * when we have a running GO and a BSS on a DFS channel.
+ */
+ if (wpas_p2p_init_go_params(wpa_s, ¶ms, 0, 0, 0, 0, 0, NULL)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P CSA: Failed to select new frequency for GO");
+ return -1;
+ }
+
+ if (current_ssid->frequency == params.freq) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P CSA: Selected same frequency - not moving GO");
+ return 0;
+ }
+
+ conf = hostapd_config_defaults();
+ if (!conf) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P CSA: Failed to allocate default config");
+ return -1;
+ }
+
+ current_ssid->frequency = params.freq;
+ if (wpa_supplicant_conf_ap_ht(wpa_s, current_ssid, conf)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P CSA: Failed to create new GO config");
+ ret = -1;
+ goto out;
+ }
+
+ if (conf->hw_mode != wpa_s->ap_iface->current_mode->mode) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P CSA: CSA to a different band is not supported");
+ ret = -1;
+ goto out;
+ }
+
+ os_memset(&csa_settings, 0, sizeof(csa_settings));
+ csa_settings.cs_count = P2P_GO_CSA_COUNT;
+ csa_settings.block_tx = P2P_GO_CSA_BLOCK_TX;
+ csa_settings.freq_params.freq = params.freq;
+ csa_settings.freq_params.sec_channel_offset = conf->secondary_channel;
+ csa_settings.freq_params.ht_enabled = conf->ieee80211n;
+ csa_settings.freq_params.bandwidth = conf->secondary_channel ? 40 : 20;
+
+ if (conf->ieee80211ac) {
+ int freq1 = 0, freq2 = 0;
+ u8 chan, opclass;
+
+ if (ieee80211_freq_to_channel_ext(params.freq,
+ conf->secondary_channel,
+ conf->vht_oper_chwidth,
+ &opclass, &chan) ==
+ NUM_HOSTAPD_MODES) {
+ wpa_printf(MSG_ERROR, "P2P CSA: Bad freq");
+ ret = -1;
+ goto out;
+ }
+
+ if (conf->vht_oper_centr_freq_seg0_idx)
+ freq1 = ieee80211_chan_to_freq(
+ NULL, opclass,
+ conf->vht_oper_centr_freq_seg0_idx);
+
+ if (conf->vht_oper_centr_freq_seg1_idx)
+ freq2 = ieee80211_chan_to_freq(
+ NULL, opclass,
+ conf->vht_oper_centr_freq_seg1_idx);
+
+ if (freq1 < 0 || freq2 < 0) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P CSA: Selected invalid VHT center freqs");
+ ret = -1;
+ goto out;
+ }
+
+ csa_settings.freq_params.vht_enabled = conf->ieee80211ac;
+ csa_settings.freq_params.center_freq1 = freq1;
+ csa_settings.freq_params.center_freq2 = freq2;
+
+ switch (conf->vht_oper_chwidth) {
+ case VHT_CHANWIDTH_80MHZ:
+ case VHT_CHANWIDTH_80P80MHZ:
+ csa_settings.freq_params.bandwidth = 80;
+ break;
+ case VHT_CHANWIDTH_160MHZ:
+ csa_settings.freq_params.bandwidth = 160;
+ break;
+ }
+ }
+
+ ret = ap_switch_channel(wpa_s, &csa_settings);
+out:
+ current_ssid->frequency = old_freq;
+ hostapd_config_free(conf);
+ return ret;
+}
+
+
+static void wpas_p2p_move_go_no_csa(struct wpa_supplicant *wpa_s)
+{
+ struct p2p_go_neg_results params;
+ struct wpa_ssid *current_ssid = wpa_s->current_ssid;
+
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_REMOVE_AND_REFORM_GROUP);
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz",
+ current_ssid->frequency);
+
+ /* Stop the AP functionality */
+ /* TODO: Should do this in a way that does not indicated to possible
+ * P2P Clients in the group that the group is terminated. */
+ wpa_supplicant_ap_deinit(wpa_s);
+
+ /* Reselect the GO frequency */
+ if (wpas_p2p_init_go_params(wpa_s, ¶ms, 0, 0, 0, 0, 0, NULL)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Failed to reselect freq");
+ wpas_p2p_group_delete(wpa_s,
+ P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL);
+ return;
+ }
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New freq selected for the GO (%u MHz)",
+ params.freq);
+
+ if (params.freq &&
+ !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: Selected freq (%u MHz) is not valid for P2P",
+ params.freq);
+ wpas_p2p_group_delete(wpa_s,
+ P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL);
+ return;
+ }
+
+ /* Update the frequency */
+ current_ssid->frequency = params.freq;
+ wpa_s->connect_without_scan = current_ssid;
+ wpa_s->reassociate = 1;
+ wpa_s->disconnected = 0;
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+}
+
+
+static void wpas_p2p_move_go(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+
+ if (!wpa_s->ap_iface || !wpa_s->current_ssid)
+ return;
+
+ wpas_p2p_go_update_common_freqs(wpa_s);
+
+ /* Do not move GO in the middle of a CSA */
+ if (hostapd_csa_in_progress(wpa_s->ap_iface)) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: CSA is in progress - not moving GO");
+ return;
+ }
+
+ /*
+ * First, try a channel switch flow. If it is not supported or fails,
+ * take down the GO and bring it up again.
+ */
+ if (wpas_p2p_move_go_csa(wpa_s) < 0)
+ wpas_p2p_move_go_no_csa(wpa_s);
+}
+
+
+static void wpas_p2p_reconsider_moving_go(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ struct wpa_used_freq_data *freqs = NULL;
+ unsigned int num = wpa_s->num_multichan_concurrent;
+
+ freqs = os_calloc(num, sizeof(struct wpa_used_freq_data));
+ if (!freqs)
+ return;
+
+ num = get_shared_radio_freqs_data(wpa_s, freqs, num);
+
+ /* Previous attempt to move a GO was not possible -- try again. */
+ wpas_p2p_consider_moving_gos(wpa_s, freqs, num,
+ WPAS_P2P_CHANNEL_UPDATE_ANY);
+
+ os_free(freqs);
+}
+
+
+/*
+ * Consider moving a GO from its currently used frequency:
+ * 1. It is possible that due to regulatory consideration the frequency
+ * can no longer be used and there is a need to evacuate the GO.
+ * 2. It is possible that due to MCC considerations, it would be preferable
+ * to move the GO to a channel that is currently used by some other
+ * station interface.
+ *
+ * In case a frequency that became invalid is once again valid, cancel a
+ * previously initiated GO frequency change.
+ */
+static void wpas_p2p_consider_moving_one_go(struct wpa_supplicant *wpa_s,
+ struct wpa_used_freq_data *freqs,
+ unsigned int num)
+{
+ unsigned int i, invalid_freq = 0, policy_move = 0, flags = 0;
+ unsigned int timeout;
+ int freq;
+
+ wpas_p2p_go_update_common_freqs(wpa_s);
+
+ freq = wpa_s->current_ssid->frequency;
+ for (i = 0, invalid_freq = 0; i < num; i++) {
+ if (freqs[i].freq == freq) {
+ flags = freqs[i].flags;
+
+ /* The channel is invalid, must change it */
+ if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Freq=%d MHz no longer valid for GO",
+ freq);
+ invalid_freq = 1;
+ }
+ } else if (freqs[i].flags == 0) {
+ /* Freq is not used by any other station interface */
+ continue;
+ } else if (!p2p_supported_freq(wpa_s->global->p2p,
+ freqs[i].freq)) {
+ /* Freq is not valid for P2P use cases */
+ continue;
+ } else if (wpa_s->conf->p2p_go_freq_change_policy ==
+ P2P_GO_FREQ_MOVE_SCM) {
+ policy_move = 1;
+ } else if (wpa_s->conf->p2p_go_freq_change_policy ==
+ P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS &&
+ wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) {
+ policy_move = 1;
+ } else if ((wpa_s->conf->p2p_go_freq_change_policy ==
+ P2P_GO_FREQ_MOVE_SCM_ECSA) &&
+ wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) {
+ if (!p2p_get_group_num_members(wpa_s->p2p_group)) {
+ policy_move = 1;
+ } else if ((wpa_s->drv_flags &
+ WPA_DRIVER_FLAGS_AP_CSA) &&
+ wpas_p2p_go_clients_support_ecsa(wpa_s)) {
+ u8 chan;
+
+ /*
+ * We do not support CSA between bands, so move
+ * GO only within the same band.
+ */
+ if (wpa_s->ap_iface->current_mode->mode ==
+ ieee80211_freq_to_chan(freqs[i].freq,
+ &chan))
+ policy_move = 1;
+ }
+ }
+ }
+
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: GO move: invalid_freq=%u, policy_move=%u, flags=0x%X",
+ invalid_freq, policy_move, flags);
+
+ /*
+ * The channel is valid, or we are going to have a policy move, so
+ * cancel timeout.
+ */
+ if (!invalid_freq || policy_move) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Cancel a GO move from freq=%d MHz", freq);
+ eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
+
+ if (wpas_p2p_in_progress(wpa_s)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: GO move: policy CS is not allowed - setting timeout to re-consider GO move");
+ eloop_cancel_timeout(wpas_p2p_reconsider_moving_go,
+ wpa_s, NULL);
+ eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0,
+ wpas_p2p_reconsider_moving_go,
+ wpa_s, NULL);
+ return;
+ }
+ }
+
+ if (!invalid_freq && (!policy_move || flags != 0)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Not initiating a GO frequency change");
+ return;
+ }
+
+ /*
+ * Do not consider moving GO if it is in the middle of a CSA. When the
+ * CSA is finished this flow should be retriggered.
+ */
+ if (hostapd_csa_in_progress(wpa_s->ap_iface)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Not initiating a GO frequency change - CSA is in progress");
+ return;
+ }
+
+ if (invalid_freq && !wpas_p2p_disallowed_freq(wpa_s->global, freq))
+ timeout = P2P_GO_FREQ_CHANGE_TIME;
+ else
+ timeout = 0;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz in %d secs",
+ freq, timeout);
+ eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL);
+ eloop_register_timeout(timeout, 0, wpas_p2p_move_go, wpa_s, NULL);
+}
+
+
+static void wpas_p2p_consider_moving_gos(struct wpa_supplicant *wpa_s,
+ struct wpa_used_freq_data *freqs,
+ unsigned int num,
+ enum wpas_p2p_channel_update_trig trig)
+{
+ struct wpa_supplicant *ifs;
+
+ eloop_cancel_timeout(wpas_p2p_reconsider_moving_go, ELOOP_ALL_CTX,
+ NULL);
+
+ /*
+ * Travers all the radio interfaces, and for each GO interface, check
+ * if there is a need to move the GO from the frequency it is using,
+ * or in case the frequency is valid again, cancel the evacuation flow.
+ */
+ dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
+ radio_list) {
+ if (ifs->current_ssid == NULL ||
+ ifs->current_ssid->mode != WPAS_MODE_P2P_GO)
+ continue;
+
+ /*
+ * The GO was just started or completed channel switch, no need
+ * to move it.
+ */
+ if (wpa_s == ifs &&
+ (trig == WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE ||
+ trig == WPAS_P2P_CHANNEL_UPDATE_CS)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: GO move - schedule re-consideration");
+ eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0,
+ wpas_p2p_reconsider_moving_go,
+ wpa_s, NULL);
+ continue;
+ }
+
+ wpas_p2p_consider_moving_one_go(ifs, freqs, num);
+ }
+}
+
+
+void wpas_p2p_indicate_state_change(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ return;
+
+ wpas_p2p_update_channel_list(wpa_s,
+ WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE);
+}
+
+
+void wpas_p2p_deinit_iface(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s == wpa_s->global->p2p_init_wpa_s && wpa_s->global->p2p) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disable P2P since removing "
+ "the management interface is being removed");
+ wpas_p2p_deinit_global(wpa_s->global);
+ }
+}
+
+
+void wpas_p2p_ap_deinit(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->ap_iface->bss)
+ wpa_s->ap_iface->bss[0]->p2p_group = NULL;
+ wpas_p2p_group_deinit(wpa_s);
+}
+
+
+int wpas_p2p_lo_start(struct wpa_supplicant *wpa_s, unsigned int freq,
+ unsigned int period, unsigned int interval,
+ unsigned int count)
+{
+ struct p2p_data *p2p = wpa_s->global->p2p;
+ u8 *device_types;
+ size_t dev_types_len;
+ struct wpabuf *buf;
+ int ret;
+
+ if (wpa_s->p2p_lo_started) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P Listen offload is already started");
+ return 0;
+ }
+
+ if (wpa_s->global->p2p == NULL ||
+ !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD)) {
+ wpa_printf(MSG_DEBUG, "P2P: Listen offload not supported");
+ return -1;
+ }
+
+ if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
+ wpa_printf(MSG_ERROR, "P2P: Input channel not supported: %u",
+ freq);
+ return -1;
+ }
+
+ /* Get device type */
+ dev_types_len = (wpa_s->conf->num_sec_device_types + 1) *
+ WPS_DEV_TYPE_LEN;
+ device_types = os_malloc(dev_types_len);
+ if (!device_types)
+ return -1;
+ os_memcpy(device_types, wpa_s->conf->device_type, WPS_DEV_TYPE_LEN);
+ os_memcpy(&device_types[WPS_DEV_TYPE_LEN], wpa_s->conf->sec_device_type,
+ wpa_s->conf->num_sec_device_types * WPS_DEV_TYPE_LEN);
+
+ /* Get Probe Response IE(s) */
+ buf = p2p_build_probe_resp_template(p2p, freq);
+ if (!buf) {
+ os_free(device_types);
+ return -1;
+ }
+
+ ret = wpa_drv_p2p_lo_start(wpa_s, freq, period, interval, count,
+ device_types, dev_types_len,
+ wpabuf_mhead_u8(buf), wpabuf_len(buf));
+ if (ret < 0)
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Failed to start P2P listen offload");
+
+ os_free(device_types);
+ wpabuf_free(buf);
+
+ if (ret == 0) {
+ wpa_s->p2p_lo_started = 1;
+
+ /* Stop current P2P listen if any */
+ wpas_stop_listen(wpa_s);
+ }
+
+ return ret;
+}
+
+
+int wpas_p2p_lo_stop(struct wpa_supplicant *wpa_s)
+{
+ int ret;
+
+ if (!wpa_s->p2p_lo_started)
+ return 0;
+
+ ret = wpa_drv_p2p_lo_stop(wpa_s);
+ if (ret < 0)
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Failed to stop P2P listen offload");
+
+ wpa_s->p2p_lo_started = 0;
+ return ret;
+}
projects / mech_eap.git / blobdiff