#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+ * it is currently using, but is no longer valid for P2P use cases.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
+
#ifndef P2P_MAX_CLIENT_IDLE
/*
* How many seconds to try to reconnect to the GO when connection in P2P client
#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
};
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);
/*
{
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",
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;
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
return -1;
switch (type) {
case P2P_SCAN_SOCIAL:
- params->freqs = os_malloc(4 * sizeof(int));
+ params->freqs = os_calloc(ARRAY_SIZE(social_channels_freq) + 1,
+ sizeof(int));
if (params->freqs == NULL)
goto fail;
- params->freqs[0] = 2412;
- params->freqs[1] = 2437;
- params->freqs[2] = 2462;
- params->freqs[3] = 0;
+ 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_malloc(5 * sizeof(int));
+ params->freqs = os_calloc(ARRAY_SIZE(social_channels_freq) + 2,
+ 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;
+ 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;
}
}
+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;
+}
+
+
+/* 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;
+ struct wpa_ssid *s;
+
+ if (!wpa_s)
+ return NULL;
+
+ for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ for (s = wpa_s->conf->ssid; s; s = s->next) {
+ if (s->disabled || !s->p2p_group ||
+ s->mode != WPAS_MODE_P2P_GO)
+ 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;
+}
+
+
+/* Find an active P2P group where we are the GO */
+static struct wpa_ssid * wpas_p2p_group_go_ssid(struct wpa_supplicant *wpa_s,
+ u8 *bssid)
+{
+ struct wpa_ssid *s, *empty = NULL;
+
+ if (!wpa_s)
+ return 0;
+
+ for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ for (s = wpa_s->conf->ssid; s; s = s->next) {
+ if (s->disabled || !s->p2p_group ||
+ s->mode != WPAS_MODE_P2P_GO)
+ continue;
+
+ os_memcpy(bssid, wpa_s->own_addr, ETH_ALEN);
+ if (p2p_get_group_num_members(wpa_s->p2p_group))
+ return s;
+ empty = s;
+ }
+ }
+
+ return empty;
+}
+
+
+/* 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)
+{
+ struct wpa_supplicant *wpa_s = ctx, *tmp_wpa_s;
+ struct wpa_ssid *s;
+ u8 conncap = P2PS_SETUP_NONE;
+ unsigned int owned_members = 0;
+ unsigned int owner = 0;
+ unsigned int client = 0;
+ struct wpa_supplicant *go_wpa_s;
+ struct wpa_ssid *persistent_go;
+ int p2p_no_group_iface;
+
+ wpa_printf(MSG_DEBUG, "P2P: Conncap - in:%d role:%d", incoming, role);
+
+ /*
+ * 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);
+ persistent_go = wpas_p2p_get_persistent_go(wpa_s);
+ p2p_no_group_iface = !wpas_p2p_create_iface(wpa_s);
+
+ wpa_printf(MSG_DEBUG, "P2P: GO(iface)=%p persistent(ssid)=%p",
+ go_wpa_s, persistent_go);
+
+ for (tmp_wpa_s = wpa_s->global->ifaces; tmp_wpa_s;
+ tmp_wpa_s = tmp_wpa_s->next) {
+ for (s = tmp_wpa_s->conf->ssid; s; s = s->next) {
+ wpa_printf(MSG_DEBUG,
+ "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
+ tmp_wpa_s, s, s->disabled,
+ s->p2p_group, s->mode);
+ if (!s->disabled && s->p2p_group) {
+ if (s->mode == WPAS_MODE_P2P_GO) {
+ owned_members +=
+ p2p_get_group_num_members(
+ tmp_wpa_s->p2p_group);
+ owner++;
+ } else
+ client++;
+ }
+ }
+ }
+
+ /* If not concurrent, restrict our choices */
+ if (p2p_no_group_iface) {
+ wpa_printf(MSG_DEBUG, "P2P: p2p_no_group_iface");
+
+ if (client)
+ 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_NONE:
+ case P2PS_SETUP_NEW:
+ case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT:
+ case P2PS_SETUP_GROUP_OWNER | 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 || client)
+ 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 (client)
+ 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 (!client)
+ conncap = P2PS_SETUP_CLIENT;
+ break;
+
+ case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_NEW:
+ case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT:
+ if (client)
+ 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;
+ wpa_printf(MSG_DEBUG, "P2P: GOs:%d members:%d conncap:%d",
+ owner, owned_members, conncap);
+
+ s = wpas_p2p_get_persistent_go(wpa_s);
+
+ if (!s && !owner && p2p_no_group_iface) {
+ p2p_set_intended_addr(wpa_s->global->p2p,
+ wpa_s->own_addr);
+ } else if (!s && !owner) {
+ 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)
{
if (removal_reason != P2P_GROUP_REMOVAL_SILENT && ssid)
wpas_notify_p2p_group_removed(wpa_s, ssid, gtype);
- if (os_strcmp(gtype, "client") == 0)
+ 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_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
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)
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;
}
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 && 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);
}
- 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");
}
static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s,
- int success)
+ int success, int already_deleted)
{
struct wpa_ssid *ssid;
int client;
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,
P2P_EVENT_GROUP_FORMATION_FAILURE);
+ if (already_deleted)
+ return;
wpas_p2p_group_delete(wpa_s,
P2P_GROUP_REMOVAL_FORMATION_FAILED);
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->parent, MSG_INFO,
+ P2P_EVENT_FALLBACK_TO_GO_NEG
+ "reason=no-ACK-to-PD-Req");
wpas_p2p_fallback_to_go_neg(wpa_s, 0);
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 " wps_method %d",
MAC2STR(res->peer_interface_addr),
#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,
}
+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->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 p2p_go_configured(void *ctx, void *data)
{
struct wpa_supplicant *wpa_s = ctx;
struct wpa_ssid *ssid;
int network_id = -1;
+ 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");
params->passphrase,
wpa_s->global->p2p_dev_addr,
params->persistent_group, "");
+ wpa_s->group_formation_reported = 1;
+
+ if (wpa_s->parent->p2ps_join_addr_valid) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2PS: Setting default PIN for " MACSTR,
+ MAC2STR(wpa_s->parent->p2ps_join_addr));
+ wpa_supplicant_ap_wps_pin(wpa_s,
+ wpa_s->parent->p2ps_join_addr,
+ "12345670", NULL, 0, 0);
+ wpa_s->parent->p2ps_join_addr_valid = 0;
+ }
os_get_reltime(&wpa_s->global->p2p_go_wait_client);
if (params->persistent_group) {
}
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->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;
+ }
if (os_strlen(params->passphrase) > 0) {
ssid->passphrase = os_strdup(params->passphrase);
if (ssid->passphrase == NULL) {
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) {
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);
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);
}
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)
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);
+ wpas_p2p_group_formation_failed(wpa_s, 1);
return;
}
if (group_wpa_s != wpa_s) {
}
-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%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->dev_capab, info->group_capab,
wfd_dev_info_hex ? " wfd_dev_info=0x" : "",
wfd_dev_info_hex ? wfd_dev_info_hex : "",
- info->vendor_elems ? " vendor_elems=1" : "");
+ info->vendor_elems ? " vendor_elems=1" : "",
+ new_device);
+done:
os_free(wfd_dev_info_hex);
#endif /* CONFIG_NO_STDOUT_DEBUG */
{
struct wpa_supplicant *wpa_s = ctx;
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->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
-
-/*
- * 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_display(struct wpa_supplicant *wpa_s,
+ const u8 *peer, const char *params,
+ unsigned int generated_pin)
{
- while (*spos < end) {
- u8 val = ((*spos)[0] & 0xc0) >> 6;
- int len;
-
- if (val == 1 || val == 2) {
- /* These are reserved values in RFC 1035 */
- wpa_printf(MSG_DEBUG, "P2P: Invalid domain name "
- "sequence starting with 0x%x", val);
- return -1;
- }
-
- if (val == 3) {
- u16 offset;
- u8 *spos_tmp;
-
- /* Offset */
- if (*spos + 2 > end) {
- wpa_printf(MSG_DEBUG, "P2P: No room for full "
- "DNS offset field");
- return -1;
- }
-
- offset = (((*spos)[0] & 0x3f) << 8) | (*spos)[1];
- if (offset >= *spos - start) {
- wpa_printf(MSG_DEBUG, "P2P: Invalid DNS "
- "pointer offset %u", offset);
- return -1;
- }
-
- (*spos) += 2;
- spos_tmp = start + offset;
- return p2p_sd_dns_uncompress_label(upos, uend, start,
- &spos_tmp,
- *spos - 2);
- }
-
- /* Label */
- len = (*spos)[0] & 0x3f;
- if (len == 0)
- return 0;
-
- (*spos)++;
- if (*spos + len > end) {
- wpa_printf(MSG_DEBUG, "P2P: Invalid domain name "
- "sequence - no room for label with length "
- "%u", len);
- return -1;
- }
-
- if (*upos + len + 2 > uend)
- return -2;
+ wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
+ " %08d%s", MAC2STR(peer), generated_pin, params);
+}
- os_memcpy(*upos, *spos, len);
- *spos += len;
- *upos += len;
- (*upos)[0] = '.';
- (*upos)++;
- (*upos)[0] = '\0';
- }
- return 0;
-}
-
-
-/* Uncompress domain names per RFC 1035 using the P2P SD in-memory packet.
- * Returns -1 on parsing error (invalid input sequence), -2 if output buffer is
- * not large enough */
-static int p2p_sd_dns_uncompress(char *buf, size_t buf_len, const u8 *msg,
- size_t msg_len, size_t offset)
-{
- /* 27-octet in-memory packet from P2P specification */
- const char *prefix = "\x04_tcp\x05local\x00\x00\x0C\x00\x01"
- "\x04_udp\xC0\x11\x00\x0C\x00\x01";
- u8 *tmp, *end, *spos;
- char *upos, *uend;
- int ret = 0;
-
- if (buf_len < 2)
- return -1;
- if (offset > msg_len)
- return -1;
-
- tmp = os_malloc(DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN + msg_len);
- if (tmp == NULL)
- return -1;
- spos = tmp + DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN;
- end = spos + msg_len;
- spos += offset;
-
- os_memset(tmp, 0, DNS_HEADER_LEN);
- os_memcpy(tmp + DNS_HEADER_LEN, prefix, P2P_SD_IN_MEMORY_LEN);
- os_memcpy(tmp + DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN, msg, msg_len);
-
- upos = buf;
- uend = buf + buf_len;
-
- ret = p2p_sd_dns_uncompress_label(&upos, uend, tmp, &spos, end);
- if (ret) {
- os_free(tmp);
- return ret;
- }
-
- if (upos == buf) {
- upos[0] = '.';
- upos[1] = '\0';
- } else if (upos[-1] == '.')
- upos[-1] = '\0';
-
- os_free(tmp);
- return 0;
-}
-
-
-static struct p2p_srv_bonjour *
-wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s,
- const struct wpabuf *query)
-{
- struct p2p_srv_bonjour *bsrv;
- size_t len;
-
- 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;
- }
- return NULL;
-}
-
-
-static struct p2p_srv_upnp *
-wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version,
- const char *service)
-{
- struct p2p_srv_upnp *usrv;
-
- 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;
- }
- return NULL;
-}
-
-
-static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto,
- u8 srv_trans_id)
-{
- u8 *len_pos;
-
- if (wpabuf_tailroom(resp) < 5)
- return;
-
- /* 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);
-}
-
-
-static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s,
- struct wpabuf *resp, u8 srv_trans_id)
-{
- struct p2p_srv_bonjour *bsrv;
- u8 *len_pos;
-
- wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services");
-
- if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
- wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
- return;
- }
-
- 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));
-
- /* Response Data */
- wpabuf_put_data(resp, query, query_len); /* Key */
- wpabuf_put_buf(resp, bsrv->resp); /* Value */
-
- WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
- }
-
- if (matches == 0) {
- wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not "
- "available");
- if (wpabuf_tailroom(resp) < 5)
- return;
-
- /* Length (to be filled) */
- len_pos = wpabuf_put(resp, 2);
- wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
- wpabuf_put_u8(resp, srv_trans_id);
-
- /* Status Code */
- wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
- /* Response Data: empty */
- WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
- 2);
- }
-}
-
-
-static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s,
- struct wpabuf *resp, u8 srv_trans_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;
- }
-
- 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;
-
- /* Length (to be filled) */
- len_pos = wpabuf_put(resp, 2);
- wpabuf_put_u8(resp, P2P_SERV_UPNP);
- wpabuf_put_u8(resp, srv_trans_id);
-
- /* 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);
- }
-}
-
-
-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;
-
- wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP",
- query, query_len);
-
- 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;
- }
-
- if (query_len == 0) {
- wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
- return;
- }
-
- 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 (os_strcmp(str, "ssdp:all") != 0 &&
- os_strstr(usrv->service, str) == NULL)
- continue;
-
- 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, ',');
-
- count++;
-
- 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);
- }
- 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 */
- }
-
- WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
-}
-
-
-#ifdef CONFIG_WIFI_DISPLAY
-static void wpas_sd_req_wfd(struct wpa_supplicant *wpa_s,
- struct wpabuf *resp, u8 srv_trans_id,
- const u8 *query, size_t query_len)
-{
- const u8 *pos;
- u8 role;
- u8 *len_pos;
-
- wpa_hexdump(MSG_DEBUG, "P2P: SD Request for WFD", query, query_len);
-
- if (!wpa_s->global->wifi_display) {
- wpa_printf(MSG_DEBUG, "P2P: WFD protocol not available");
- wpas_sd_add_proto_not_avail(resp, P2P_SERV_WIFI_DISPLAY,
- srv_trans_id);
- return;
- }
-
- if (query_len < 1) {
- wpa_printf(MSG_DEBUG, "P2P: Missing WFD Requested Device "
- "Role");
- return;
- }
-
- if (wpabuf_tailroom(resp) < 5)
- return;
-
- pos = query;
- role = *pos++;
- wpa_printf(MSG_DEBUG, "P2P: WSD for device role 0x%x", role);
-
- /* TODO: role specific handling */
-
- /* Length (to be filled) */
- len_pos = wpabuf_put(resp, 2);
- wpabuf_put_u8(resp, P2P_SERV_WIFI_DISPLAY);
- wpabuf_put_u8(resp, srv_trans_id);
- wpabuf_put_u8(resp, P2P_SD_SUCCESS); /* Status Code */
-
- while (pos < query + query_len) {
- if (*pos < MAX_WFD_SUBELEMS &&
- wpa_s->global->wfd_subelem[*pos] &&
- wpabuf_tailroom(resp) >=
- wpabuf_len(wpa_s->global->wfd_subelem[*pos])) {
- wpa_printf(MSG_DEBUG, "P2P: Add WSD response "
- "subelement %u", *pos);
- wpabuf_put_buf(resp, wpa_s->global->wfd_subelem[*pos]);
- }
- pos++;
- }
-
- WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
-}
-#endif /* CONFIG_WIFI_DISPLAY */
-
-
-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)
-{
- 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)
- 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);
- break;
- }
-
- pos = tlv_end;
- }
-
-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);
-}
-
-
-static void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic,
- const u8 *tlvs, size_t tlvs_len)
-{
- 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;
- }
- 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);
- status = *pos++;
- wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u",
- status);
-
- wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data",
- pos, tlv_end - pos);
-
- pos = tlv_end;
- }
-
- wpas_notify_p2p_sd_response(wpa_s, sa, update_indic, tlvs, tlvs_len);
-}
-
-
-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);
-}
-
-
-u64 wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst,
- u8 version, const char *query)
-{
- 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;
-}
-
-
-#ifdef CONFIG_WIFI_DISPLAY
-
-static u64 wpas_p2p_sd_request_wfd(struct wpa_supplicant *wpa_s, const u8 *dst,
- const struct wpabuf *tlvs)
-{
- if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
- return 0;
- return (uintptr_t) p2p_sd_request_wfd(wpa_s->global->p2p, dst, tlvs);
-}
-
-
-#define MAX_WFD_SD_SUBELEMS 20
-
-static void wfd_add_sd_req_role(struct wpabuf *tlvs, u8 id, u8 role,
- const char *subelems)
-{
- u8 *len;
- const char *pos;
- int val;
- int count = 0;
-
- len = wpabuf_put(tlvs, 2);
- wpabuf_put_u8(tlvs, P2P_SERV_WIFI_DISPLAY); /* Service Protocol Type */
- wpabuf_put_u8(tlvs, id); /* Service Transaction ID */
-
- wpabuf_put_u8(tlvs, role);
-
- pos = subelems;
- while (*pos) {
- val = atoi(pos);
- if (val >= 0 && val < 256) {
- wpabuf_put_u8(tlvs, val);
- count++;
- if (count == MAX_WFD_SD_SUBELEMS)
- break;
- }
- pos = os_strchr(pos + 1, ',');
- if (pos == NULL)
- break;
- pos++;
- }
-
- WPA_PUT_LE16(len, (u8 *) wpabuf_put(tlvs, 0) - len - 2);
-}
-
-
-u64 wpas_p2p_sd_request_wifi_display(struct wpa_supplicant *wpa_s,
- const u8 *dst, const char *role)
-{
- struct wpabuf *tlvs;
- u64 ret;
- const char *subelems;
- u8 id = 1;
-
- subelems = os_strchr(role, ' ');
- if (subelems == NULL)
- return 0;
- subelems++;
-
- tlvs = wpabuf_alloc(4 * (2 + 1 + 1 + 1 + MAX_WFD_SD_SUBELEMS));
- if (tlvs == NULL)
- return 0;
-
- if (os_strstr(role, "[source]"))
- wfd_add_sd_req_role(tlvs, id++, 0x00, subelems);
- if (os_strstr(role, "[pri-sink]"))
- wfd_add_sd_req_role(tlvs, id++, 0x01, subelems);
- if (os_strstr(role, "[sec-sink]"))
- wfd_add_sd_req_role(tlvs, id++, 0x02, subelems);
- if (os_strstr(role, "[source+sink]"))
- wfd_add_sd_req_role(tlvs, id++, 0x03, subelems);
-
- ret = wpas_p2p_sd_request_wfd(wpa_s, dst, tlvs);
- wpabuf_free(tlvs);
- return ret;
-}
-
-#endif /* CONFIG_WIFI_DISPLAY */
-
-
-int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, u64 req)
-{
- if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
- return -1;
- return p2p_sd_cancel_request(wpa_s->global->p2p,
- (void *) (uintptr_t) req);
-}
-
-
-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);
-}
-
-
-void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s)
-{
- if (wpa_s->global->p2p)
- p2p_sd_service_update(wpa_s->global->p2p);
-}
-
-
-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);
-}
-
-
-static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv)
-{
- dl_list_del(&usrv->list);
- os_free(usrv->service);
- os_free(usrv);
-}
-
-
-void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s)
-{
- struct p2p_srv_bonjour *bsrv, *bn;
- struct p2p_srv_upnp *usrv, *un;
-
- dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour,
- struct p2p_srv_bonjour, list)
- wpas_p2p_srv_bonjour_free(bsrv);
-
- dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp,
- struct p2p_srv_upnp, list)
- wpas_p2p_srv_upnp_free(usrv);
-
- wpas_p2p_sd_service_update(wpa_s);
-}
-
-
-int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
- struct wpabuf *query, struct wpabuf *resp)
-{
- struct p2p_srv_bonjour *bsrv;
-
- 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);
-
- wpas_p2p_sd_service_update(wpa_s);
- return 0;
-}
-
-
-int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s,
- const struct wpabuf *query)
-{
- 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;
-}
-
-
-int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
- const char *service)
-{
- struct p2p_srv_upnp *usrv;
-
- 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;
- }
- dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list);
-
- wpas_p2p_sd_service_update(wpa_s);
- return 0;
-}
-
-
-int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
- const char *service)
-{
- struct p2p_srv_upnp *usrv;
-
- 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;
-}
-
-
-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);
-}
-
-
-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);
+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);
}
u8 empty_dev_type[8];
unsigned int generated_pin = 0;
struct wpa_supplicant *group = NULL;
+ int res;
if (group_id) {
for (group = wpa_s->global->ifaces; group; group = group->next)
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 : "");
+ 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';
if (config_methods & WPS_CONFIG_DISPLAY) {
}
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
+ 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';
if (config_methods & WPS_CONFIG_DISPLAY)
static void wpas_prov_disc_fail(void *ctx, const u8 *peer,
- enum p2p_prov_disc_status status)
+ enum p2p_prov_disc_status status,
+ u32 adv_id, const u8 *adv_mac,
+ const char *deferred_session_resp)
{
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");
+ wpa_msg_global(wpa_s->parent, MSG_INFO,
+ P2P_EVENT_FALLBACK_TO_GO_NEG
+ "reason=PD-failed");
wpas_p2p_fallback_to_go_neg(wpa_s, 0);
return;
}
return;
}
- wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
- " p2p_dev_addr=" MACSTR " status=%d",
- MAC2STR(peer), status);
+ 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);
}
-static int freq_included(const struct p2p_channels *channels, unsigned int freq)
+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 void wpas_p2p_go_update_common_freqs(struct wpa_supplicant *wpa_s)
+{
+ 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;
+
+ 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;
+ }
+
+ 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);
+}
+
+
+/*
+ * 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)
{
- if (channels == NULL)
- return 1; /* Assume no restrictions */
- return p2p_channels_includes_freq(channels, freq);
+ unsigned int i;
+
+ p2p_go_dump_common_freqs(wpa_s);
+ /* assume no restrictions */
+ if (!wpa_s->p2p_group_common_freqs_num)
+ return 1;
+
+ for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) {
+ if (wpa_s->p2p_group_common_freqs[i] == freq)
+ return 1;
+ }
+ return 0;
}
}
#ifdef CONFIG_WPS_NFC
- if (dev_pw_id >= 0 && wpa_s->parent->p2p_nfc_tag_enabled &&
- dev_pw_id == wpa_s->parent->p2p_oob_dev_pw_id) {
+ 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->parent->p2p_wps_method = WPS_NFC;
- wpa_s->parent->pending_join_wps_method = WPS_NFC;
- os_memcpy(wpa_s->parent->pending_join_dev_addr,
+ 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->parent->pending_join_iface_addr,
+ os_memcpy(wpa_s->pending_join_iface_addr,
bssid, ETH_ALEN);
goto accept_inv;
}
"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)) {
+ } 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 "
const u8 *peer, int inv)
{
size_t i;
+ struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s;
if (ssid == NULL)
return;
for (i = 0; ssid->p2p_client_list && i < ssid->num_p2p_clients; i++) {
- if (os_memcmp(ssid->p2p_client_list + i * ETH_ALEN, peer,
+ if (os_memcmp(ssid->p2p_client_list + i * 2 * ETH_ALEN, peer,
ETH_ALEN) == 0)
break;
}
"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);
+ 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 (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");
}
os_sleep(0, 50000);
if (neg_freq > 0 && ssid->mode == WPAS_MODE_P2P_GO &&
- freq_included(channels, neg_freq))
+ freq_included(wpa_s, channels, neg_freq))
freq = neg_freq;
else if (peer_oper_freq > 0 && ssid->mode != WPAS_MODE_P2P_GO &&
- freq_included(channels, peer_oper_freq))
+ freq_included(wpa_s, channels, peer_oper_freq))
freq = peer_oper_freq;
else
freq = 0;
{
int i, cla = 0;
+ wpa_s->global->p2p_24ghz_social_channels = 1;
+
os_memset(cli_chan, 0, sizeof(*cli_chan));
wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
enum chan_allowed {
- NOT_ALLOWED, PASSIVE_ONLY, ALLOWED
+ NOT_ALLOWED, NO_IR, ALLOWED
};
static int has_channel(struct wpa_global *global,
(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;
+ if (mode->channels[i].flag & HOSTAPD_CHAN_NO_IR)
+ return NO_IR;
return ALLOWED;
}
}
u8 min_chan;
u8 max_chan;
u8 inc;
- enum { BW20, BW40PLUS, BW40MINUS, BW80 } bw;
+ enum { BW20, BW40PLUS, BW40MINUS, BW80, BW2160 } bw;
};
-static struct p2p_oper_class_map op_class[] = {
+static const 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 },
#endif
{ HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 },
{ HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 },
+ { HOSTAPD_MODE_IEEE80211A, 125, 149, 169, 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 },
* removing invalid channels.
*/
{ HOSTAPD_MODE_IEEE80211A, 128, 36, 161, 4, BW80 },
+ { HOSTAPD_MODE_IEEE80211AD, 180, 1, 4, 1, BW2160 },
{ -1, 0, 0, 0, 0, BW20 }
};
res = has_channel(wpa_s->global, mode, adj_chan, &flags);
if (res == NOT_ALLOWED)
return NOT_ALLOWED;
- if (res == PASSIVE_ONLY)
- ret = PASSIVE_ONLY;
+ if (res == NO_IR)
+ ret = NO_IR;
if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_70))
return NOT_ALLOWED;
if (res == NOT_ALLOWED || res2 == NOT_ALLOWED)
return NOT_ALLOWED;
- if (res == PASSIVE_ONLY || res2 == PASSIVE_ONLY)
- return PASSIVE_ONLY;
+ if (res == NO_IR || res2 == NO_IR)
+ return NO_IR;
return res;
}
cla = cli_cla = 0;
for (op = 0; op_class[op].op_class; op++) {
- struct p2p_oper_class_map *o = &op_class[op];
+ const struct p2p_oper_class_map *o = &op_class[op];
u8 ch;
struct p2p_reg_class *reg = NULL, *cli_reg = NULL;
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);
}
reg->channel[reg->channels] = ch;
reg->channels++;
- } else if (res == PASSIVE_ONLY &&
+ } 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)",
enum chan_allowed ret;
for (op = 0; op_class[op].op_class; op++) {
- struct p2p_oper_class_map *o = &op_class[op];
+ const struct p2p_oper_class_map *o = &op_class[op];
u8 ch;
for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
if (o->mode != HOSTAPD_MODE_IEEE80211A ||
- o->bw == BW20 || ch != channel)
+ (o->bw != BW40PLUS && o->bw != BW40MINUS) ||
+ ch != channel)
continue;
ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
if (ret == ALLOWED)
{
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)
+ 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;
-}
+ return NULL;
+}
+
+
+static int wpas_go_connected(void *ctx, const u8 *dev_addr)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ return wpas_get_p2p_client_iface(wpa_s, dev_addr) != NULL;
+}
+
+
+static int wpas_is_concurrent_session_active(void *ctx)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_supplicant *ifs;
+
+ for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
+ if (ifs == wpa_s)
+ continue;
+ if (ifs->wpa_state > WPA_ASSOCIATED)
+ return 1;
+ }
+ return 0;
+}
+
+
+static void wpas_p2p_debug_print(void *ctx, int level, const char *msg)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ wpa_msg_global(wpa_s, level, "P2P: %s", msg);
+}
+
+
+int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s,
+ const char *conf_p2p_dev)
+{
+ struct wpa_interface iface;
+ struct wpa_supplicant *p2pdev_wpa_s;
+ char ifname[100];
+ char force_name[100];
+ int ret;
+
+ 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;
+ }
+ os_strlcpy(wpa_s->pending_interface_name, ifname,
+ sizeof(wpa_s->pending_interface_name));
+
+ 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;
+
+ /*
+ * 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;
+ }
+
+ 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;
+ }
+
+ wpa_s->pending_interface_name[0] = '\0';
+ return 0;
+}
+
+
+static void wpas_presence_resp(void *ctx, const u8 *src, u8 status,
+ const u8 *noa, size_t noa_len)
+{
+ 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;
+
+ 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);
+}
+
+
+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)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *s;
+
+ 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;
+
+ 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 0;
+}
+
+
+static int wpas_get_go_info(void *ctx, u8 *intended_addr,
+ u8 *ssid, size_t *ssid_len, int *group_iface)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *s;
+ u8 bssid[ETH_ALEN];
+
+ /*
+ * 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.
+ */
+ *group_iface = 0;
+ s = wpas_p2p_group_go_ssid(wpa_s, bssid);
+ if (!s) {
+ s = wpas_p2p_get_persistent_go(wpa_s);
+ *group_iface = wpas_p2p_create_iface(wpa_s);
+ if (s)
+ os_memcpy(bssid, s->bssid, ETH_ALEN);
+ else
+ return 0;
+ }
+
+ os_memcpy(intended_addr, bssid, ETH_ALEN);
+ os_memcpy(ssid, s->ssid, s->ssid_len);
+ *ssid_len = s->ssid_len;
+
+ return 1;
+}
+
+
+static int wpas_remove_stale_groups(void *ctx, const u8 *peer, const u8 *go,
+ const u8 *ssid, size_t ssid_len)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *s;
+ int save_config = 0;
+ size_t i;
+
+ /* 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;
+
+ /* 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;
+ }
+
+ 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;
+
+ 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;
+ }
+
+ if (save_config)
+ p2p_config_write(wpa_s);
+
+ /* Return TRUE if valid SSID remains */
+ return s != NULL;
+}
+
+
+static void wpas_p2ps_get_feat_cap_str(char *buf, size_t buf_len,
+ const u8 *feat_cap, size_t feat_cap_len)
+{
+ static const char pref[] = " feature_cap=";
+ int ret;
+
+ buf[0] = '\0';
+
+ /*
+ * 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 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)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ u8 mac[ETH_ALEN];
+ struct wpa_ssid *persistent_go, *stale, *s;
+ int save_config = 0;
+ struct wpa_supplicant *go_wpa_s;
+ char feat_cap_str[256];
+
+ if (!dev)
+ return;
+
+ os_memset(mac, 0, ETH_ALEN);
+ if (!adv_mac)
+ adv_mac = mac;
+ if (!ses_mac)
+ ses_mac = mac;
+ if (!grp_mac)
+ grp_mac = mac;
+
+ 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;
+ }
+
+ go_wpa_s = wpas_p2p_get_go_group(wpa_s);
+ persistent_go = wpas_p2p_get_persistent_go(wpa_s);
+ 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);
-static int wpas_go_connected(void *ctx, const u8 *dev_addr)
-{
- struct wpa_supplicant *wpa_s = ctx;
+ if (persistent_go && !persistent_go->num_p2p_clients) {
+ /* remove empty persistent GO */
+ wpa_config_remove_network(wpa_s->conf,
+ persistent_go->id);
+ }
- return wpas_get_p2p_client_iface(wpa_s, dev_addr) != NULL;
-}
+ 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;
+ }
+ /* Clean up stale persistent groups with this device */
+ s = wpas_p2p_get_persistent(wpa_s, dev, persist_ssid,
+ persist_ssid_size);
-static int wpas_is_concurrent_session_active(void *ctx)
-{
- struct wpa_supplicant *wpa_s = ctx;
- struct wpa_supplicant *ifs;
+ if (persist_ssid && s && s->mode != WPAS_MODE_P2P_GO &&
+ os_memcmp(grp_mac, mac, ETH_ALEN) == 0) {
+ 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;
+ }
- for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
- if (ifs == wpa_s)
- continue;
- if (ifs->wpa_state > WPA_ASSOCIATED)
- return 1;
+ for (;;) {
+ stale = wpas_p2p_get_persistent(wpa_s, dev, NULL, 0);
+ if (!stale)
+ break;
+
+ 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;
+
+ /* 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;
}
- return 0;
-}
+ if (save_config)
+ p2p_config_write(wpa_s);
-static void wpas_p2p_debug_print(void *ctx, int level, const char *msg)
-{
- struct wpa_supplicant *wpa_s = ctx;
- wpa_msg_global(wpa_s, level, "P2P: %s", msg);
-}
+ 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 */
+ }
+ 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;
+ }
-int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s)
-{
- struct wpa_interface iface;
- struct wpa_supplicant *p2pdev_wpa_s;
- char ifname[100];
- char force_name[100];
- int ret;
+ 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;
+
+ 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,
+ NULL, adv_id, ses_id, 0, 0,
+ NULL, 0, 0, 0, NULL, NULL, 0);
+ return;
+ }
- 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;
+ /* If PD Resp complete, start up the GO */
+ if (response_done && persistent_go) {
+ wpas_p2p_group_add_persistent(
+ wpa_s, persistent_go,
+ 0, 0, 0, 0, 0, NULL,
+ persistent_go->mode ==
+ WPAS_MODE_P2P_GO ?
+ P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
+ 0);
+ } else if (response_done) {
+ wpas_p2p_group_add(wpa_s, 1, 0, 0, 0);
+ }
+
+ if (passwd_id == DEV_PW_P2PS_DEFAULT) {
+ os_memcpy(wpa_s->p2ps_join_addr, dev, ETH_ALEN);
+ wpa_s->p2ps_join_addr_valid = 1;
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2PS: Saving PIN for " MACSTR,
+ MAC2STR(dev));
+ }
+ } else if (passwd_id == DEV_PW_P2PS_DEFAULT) {
+ os_memcpy(go_ifname, go_wpa_s->ifname,
+ sizeof(go_ifname));
+
+ wpa_dbg(go_wpa_s, MSG_DEBUG,
+ "P2P: Setting PIN-1 For " MACSTR, MAC2STR(dev));
+ wpa_supplicant_ap_wps_pin(go_wpa_s, dev, "12345670",
+ NULL, 0, 0);
+
+ os_memcpy(wpa_s->p2ps_join_addr, dev, ETH_ALEN);
+ wpa_s->p2ps_join_addr_valid = 1;
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2PS: Saving PIN for " MACSTR, MAC2STR(dev));
+ }
+
+ 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;
}
- os_strlcpy(wpa_s->pending_interface_name, ifname,
- sizeof(wpa_s->pending_interface_name));
- 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;
+ if (go_wpa_s && !p2p_group_go_member_count(wpa_s))
+ wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname);
- /*
- * If a P2P Device configuration file was given, use it as the interface
- * configuration file (instead of using parent's configuration file.
- */
- if (wpa_s->conf_p2p_dev) {
- iface.confname = wpa_s->conf_p2p_dev;
- iface.ctrl_interface = NULL;
- } else {
- iface.confname = wpa_s->confname;
- iface.ctrl_interface = wpa_s->conf->ctrl_interface;
+ if (persistent_go && !persistent_go->num_p2p_clients) {
+ /* remove empty persistent GO */
+ wpa_config_remove_network(wpa_s->conf, persistent_go->id);
}
- iface.conf_p2p_dev = NULL;
- 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;
+ if (conncap == P2PS_SETUP_CLIENT) {
+ 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",
+ MAC2STR(dev), status, conncap,
+ adv_id, MAC2STR(adv_mac),
+ ses_id, MAC2STR(ses_mac),
+ passwd_id, MAC2STR(grp_mac), feat_cap_str);
+ } 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);
}
- p2pdev_wpa_s->parent = wpa_s;
+}
- wpa_s->pending_interface_name[0] = '\0';
- return 0;
+
+static int _wpas_p2p_in_progress(void *ctx)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ return wpas_p2p_in_progress(wpa_s);
}
-static void wpas_presence_resp(void *ctx, const u8 *src, u8 status,
- const u8 *noa, size_t noa_len)
+static int wpas_prov_disc_resp_cb(void *ctx)
{
- struct wpa_supplicant *wpa_s, *intf = ctx;
- char hex[100];
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *persistent_go;
- 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;
+ if (!wpa_s->global->pending_p2ps_group)
+ return 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, NULL,
+ persistent_go->mode == WPAS_MODE_P2P_GO ?
+ P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0);
+ } else {
+ wpas_p2p_group_add(wpa_s, 1, 0, 0, 0);
}
- wpa_s->waiting_presence_resp = 0;
- 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 1;
}
-static int _wpas_p2p_in_progress(void *ctx)
+static int wpas_p2p_get_pref_freq_list(void *ctx, int go,
+ unsigned int *len,
+ unsigned int *freq_list)
{
struct wpa_supplicant *wpa_s = ctx;
- return wpas_p2p_in_progress(wpa_s);
+
+ 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.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.
*/
- if (os_get_random((u8 *) &r, sizeof(r)) < 0)
- return -1;
- 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.
*/
- if (os_get_random((u8 *) &r, sizeof(r)) < 0)
+ 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.op_channel = 1 + (r % 3) * 5;
+ }
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);
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 */
}
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)
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->parent, 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_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->parent, 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,
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 (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 "
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)
{
struct wpa_used_freq_data *freqs;
int res, best_freq, num_unused;
- unsigned int freq_in_use = 0, num, i;
+ unsigned int freq_in_use = 0, num, i, max_pref_freq;
+
+ max_pref_freq = *num_pref_freq;
+ *num_pref_freq = 0;
freqs = os_calloc(wpa_s->num_multichan_concurrent,
sizeof(struct wpa_used_freq_data));
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++) {
best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
+ 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: No preferred frequency list available");
+ }
+ }
+
/* We have a candidate frequency to use */
if (best_freq > 0) {
if (*pref_freq == 0 && num_unused > 0) {
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;
if (go_intent < 0)
go_intent = wpa_s->conf->p2p_go_intent;
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);
+ 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
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
+ } 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;
}
-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);
}
}
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_select_freq_no_pref(struct wpa_supplicant *wpa_s,
- struct p2p_go_neg_results *params,
- const struct p2p_channels *channels)
+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 -1;
+ return;
for (i = 0; i < 3; i++) {
params->freq = 2412 + ((r + i) % 3) * 25;
- if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) &&
- freq_included(channels, params->freq))
+ if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq))
goto out;
}
- /* try all channels in reg. class 81 */
+ /* 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(channels, params->freq))
+ freq_included(wpa_s, channels, params->freq) &&
+ p2p_supported_freq(wpa_s->global->p2p, params->freq))
goto out;
}
- wpa_printf(MSG_DEBUG, "P2P: No 2.4 GHz channel allowed");
- return -1;
+ /* 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);
- return 0;
}
const struct p2p_channels *channels)
{
struct wpa_used_freq_data *freqs;
- unsigned int pref_freq, cand_freq;
+ unsigned int cand;
unsigned int num, i;
os_memset(params, 0, sizeof(*params));
params->role_go = 1;
params->ht40 = ht40;
params->vht = vht;
+
+ if (wpa_s->p2p_group_common_freqs_num)
+ wpa_printf(MSG_DEBUG, "P2P: %s called for an active GO",
+ __func__);
+
+ 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);
+
+ /* 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 (wpas_p2p_num_unused_channels(wpa_s) <= 0) {
+ 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) {
+ 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",
+ freq);
+ 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",
+ freq);
+ params->freq = freqs[i].freq;
+ goto success;
+ }
+ }
+ }
+
+ if (wpas_p2p_num_unused_channels(wpa_s) <= 0) {
+ 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;
- wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz from preferred "
- "channels", params->freq);
- } else {
- /* no preference, select some channel */
- if (wpas_p2p_select_freq_no_pref(wpa_s, params, channels) < 0)
- return -1;
+ goto success;
}
- 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);
-
- cand_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
-
- /* First try the best used frequency if possible */
- if (!freq && cand_freq > 0 && freq_included(channels, cand_freq)) {
- params->freq = cand_freq;
- } else if (!freq) {
- /* Try any of the used frequencies */
- for (i = 0; i < num; i++) {
- if (freq_included(channels, freqs[i].freq)) {
- wpa_printf(MSG_DEBUG, "P2P: Force GO on a channel we are already using (%u MHz)",
- freqs[i].freq);
- params->freq = freqs[i].freq;
- break;
+ /* 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);
+ 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;
}
}
+ }
- if (i == num) {
- if (wpas_p2p_num_unused_channels(wpa_s) <= 0) {
- wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on any of the channels we are already using");
- os_free(freqs);
- return -1;
- } else {
- wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels");
- }
- }
- } else {
- for (i = 0; i < num; i++) {
- if (freqs[i].freq == freq)
- 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);
- os_free(freqs);
- return -1;
- } else {
- wpa_printf(MSG_DEBUG, "P2P: 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;
}
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;
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;
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->parent, 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->parent, NULL);
+ }
return 0;
}
wpa_s->p2p_fallback_to_go_neg = 0;
- 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(channels, freq)))
- freq = 0;
- }
+ 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;
+ }
- if (ssid->mode == WPAS_MODE_INFRA)
return wpas_start_p2p_client(wpa_s, ssid, addr_allocated, freq);
-
- if (ssid->mode != WPAS_MODE_P2P_GO)
+ } else {
return -1;
+ }
if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40, vht, channels))
return -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);
}
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);
}
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->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);
+ 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);
}
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)
return -1;
- if (wpa_s->conf->p2p_disabled)
+ /*
+ * 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;
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)) {
case P2P_PREQ_NOT_P2P:
wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len,
ssi_signal);
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->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;
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);
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;
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);
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]);
+ 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,
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;
"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);
+ wpas_p2p_group_formation_failed(wpa_s, 0);
return 1;
}
}
-void wpas_p2p_update_channel_list(struct wpa_supplicant *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_supplicant *ifs;
+ 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);
- for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
- int freq;
- if (!ifs->current_ssid ||
- !ifs->current_ssid->p2p_group ||
- (ifs->current_ssid->mode != WPAS_MODE_P2P_GO &&
- ifs->current_ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION))
- continue;
- freq = ifs->current_ssid->frequency;
- if (freq_included(&chan, freq)) {
- wpa_dbg(ifs, MSG_DEBUG,
- "P2P GO operating frequency %d MHz in valid range",
- freq);
- continue;
- }
+ wpas_p2p_optimize_listen_channel(wpa_s, freqs, num);
- wpa_dbg(ifs, MSG_DEBUG,
- "P2P GO operating in invalid frequency %d MHz", freq);
- /* TODO: Consider using CSA or removing the group within
- * wpa_supplicant */
- wpa_msg(ifs, MSG_INFO, P2P_EVENT_REMOVE_AND_REFORM_GROUP);
- }
+ /*
+ * 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);
}
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
wpa_s->parent, 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,
wpa_printf(MSG_DEBUG, "P2P: Interface %s in invitation found - cancelling",
wpa_s->ifname);
found = 1;
- wpas_p2p_group_formation_failed(wpa_s);
+ wpas_p2p_group_formation_failed(wpa_s, 0);
}
}
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 */
* 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");
}
-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,
wpa_s->p2p_pd_before_go_neg,
wpa_s->p2p_go_ht40,
wpa_s->p2p_go_vht);
+ 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->parent, 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;
}
{
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 */
}
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;
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 (cand) {
wpa_dbg(wpa_s, MSG_DEBUG,
- "P2P: Update Listen channel to %u baased on operating channel",
+ "P2P: Update Listen channel to %u based on operating channel",
cand);
p2p_set_listen_channel(wpa_s->global->p2p, 81, cand, 0);
}
}
-void wpas_p2p_indicate_state_change(struct wpa_supplicant *wpa_s)
+static int wpas_p2p_move_go_csa(struct wpa_supplicant *wpa_s)
{
- struct wpa_used_freq_data *freqs;
- unsigned int num = wpa_s->num_multichan_concurrent;
+ if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "CSA is not enabled");
+ return -1;
+ }
- if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
+ /* TODO: Add CSA support */
+ wpa_dbg(wpa_s, MSG_DEBUG, "Moving GO with CSA is not implemented");
+ return -1;
+}
+
+
+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, 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 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)
+ 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;
+ }
- if (!wpa_s->current_ssid || wpa_s->wpa_state != WPA_COMPLETED)
+ /* 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);
+
+ /*
+ * 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);
- wpas_p2p_optimize_listen_channel(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;
+ }
+ }
+
+ 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;
+ }
+
+ 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->parent)
- wpas_p2p_group_remove(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");
projects / mech_eap.git / blobdiff