wpa_supplicant: Update to 29-Aug-2012 TOT
commit 6ffdc2f7bd496ace7a46e055f9714e7db4b1f722
Author: Jouni Malinen <jouni@qca.qualcomm.com>
Date: Fri Mar 2 22:31:04 2012 +0200
WFD: Add preliminary WSD request processing and response
This commit does not yet address support for different device roles,
i.e., the same set of subelements are returned regardless of which
role was indicated in the request.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
Change-Id: I9d63acce719b982c02e589bb59602382e82988c8
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/p2p/p2p.c b/src/p2p/p2p.c
index eb2821e..03380dc 100644
--- a/src/p2p/p2p.c
+++ b/src/p2p/p2p.c
@@ -172,6 +172,8 @@
return "INVITE_LISTEN";
case P2P_SEARCH_WHEN_READY:
return "SEARCH_WHEN_READY";
+ case P2P_CONTINUE_SEARCH_WHEN_READY:
+ return "CONTINUE_SEARCH_WHEN_READY";
default:
return "?";
}
@@ -725,6 +727,11 @@
break;
}
+ if (msg.wfd_subelems) {
+ wpabuf_free(dev->info.wfd_subelems);
+ dev->info.wfd_subelems = wpabuf_dup(msg.wfd_subelems);
+ }
+
if (scan_res) {
p2p_add_group_clients(p2p, p2p_dev_addr, addr, freq,
msg.group_info, msg.group_info_len);
@@ -782,6 +789,8 @@
dev->info.wps_vendor_ext[i] = NULL;
}
+ wpabuf_free(dev->info.wfd_subelems);
+
os_free(dev);
}
@@ -846,6 +855,7 @@
int freq = 0;
enum p2p_scan_type type;
u16 pw_id = DEV_PW_DEFAULT;
+ int res;
if (p2p->drv_in_listen) {
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Driver is still "
@@ -865,12 +875,18 @@
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting search");
}
- if (p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, type, freq,
- p2p->num_req_dev_types, p2p->req_dev_types,
- p2p->find_dev_id, pw_id)) {
+ res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, type, freq,
+ p2p->num_req_dev_types, p2p->req_dev_types,
+ p2p->find_dev_id, pw_id);
+ if (res < 0) {
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
"P2P: Scan request failed");
p2p_continue_find(p2p);
+ } else if (res == 1) {
+ wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Could not start "
+ "p2p_scan at this point - will try again after "
+ "previous scan completes");
+ p2p_set_state(p2p, P2P_CONTINUE_SEARCH_WHEN_READY);
} else {
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Running p2p_scan");
p2p->p2p_scan_running = 1;
@@ -975,7 +991,7 @@
int p2p_find(struct p2p_data *p2p, unsigned int timeout,
enum p2p_discovery_type type,
unsigned int num_req_dev_types, const u8 *req_dev_types,
- const u8 *dev_id)
+ const u8 *dev_id, unsigned int search_delay)
{
int res;
@@ -1009,6 +1025,8 @@
p2p->find_type = type;
p2p_device_clear_reported(p2p);
p2p_set_state(p2p, P2P_SEARCH);
+ p2p->search_delay = search_delay;
+ p2p->in_search_delay = 0;
eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
p2p->last_p2p_find_timeout = timeout;
if (timeout)
@@ -1070,13 +1088,18 @@
int p2p_other_scan_completed(struct p2p_data *p2p)
{
+ if (p2p->state == P2P_CONTINUE_SEARCH_WHEN_READY) {
+ p2p_set_state(p2p, P2P_SEARCH);
+ p2p_search(p2p);
+ return 1;
+ }
if (p2p->state != P2P_SEARCH_WHEN_READY)
return 0;
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting pending P2P find "
"now that previous scan was completed");
if (p2p_find(p2p, p2p->last_p2p_find_timeout, p2p->find_type,
p2p->num_req_dev_types, p2p->req_dev_types,
- p2p->find_dev_id) < 0)
+ p2p->find_dev_id, p2p->search_delay) < 0)
return 0;
return 1;
}
@@ -1442,6 +1465,11 @@
}
}
+ if (msg->wfd_subelems) {
+ wpabuf_free(dev->info.wfd_subelems);
+ dev->info.wfd_subelems = wpabuf_dup(msg->wfd_subelems);
+ }
+
if (dev->flags & P2P_DEV_PROBE_REQ_ONLY) {
dev->flags &= ~P2P_DEV_PROBE_REQ_ONLY;
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
@@ -1779,6 +1807,11 @@
p2p_copy_wps_info(dev, 1, &msg);
+ if (msg.wfd_subelems) {
+ wpabuf_free(dev->info.wfd_subelems);
+ dev->info.wfd_subelems = wpabuf_dup(msg.wfd_subelems);
+ }
+
p2p_parse_free(&msg);
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
@@ -1877,8 +1910,14 @@
struct wpabuf *buf;
u8 *len;
int pw_id = -1;
+ size_t extra = 0;
- buf = wpabuf_alloc(1000);
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p->wfd_ie_probe_resp)
+ extra = wpabuf_len(p2p->wfd_ie_probe_resp);
+#endif /* CONFIG_WIFI_DISPLAY */
+
+ buf = wpabuf_alloc(1000 + extra);
if (buf == NULL)
return NULL;
@@ -1889,6 +1928,11 @@
p2p_build_wps_ie(p2p, buf, pw_id, 1);
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p->wfd_ie_probe_resp)
+ wpabuf_put_buf(buf, p2p->wfd_ie_probe_resp);
+#endif /* CONFIG_WIFI_DISPLAY */
+
/* P2P IE */
len = p2p_buf_add_ie_hdr(buf);
p2p_buf_add_capability(buf, p2p->dev_capab &
@@ -2173,20 +2217,31 @@
struct p2p_device *peer;
size_t tmplen;
int res;
+ size_t extra = 0;
if (!p2p_group)
return p2p_assoc_req_ie_wlan_ap(p2p, bssid, buf, len, p2p_ie);
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p->wfd_ie_assoc_req)
+ extra = wpabuf_len(p2p->wfd_ie_assoc_req);
+#endif /* CONFIG_WIFI_DISPLAY */
+
/*
* (Re)Association Request - P2P IE
* P2P Capability attribute (shall be present)
* Extended Listen Timing (may be present)
* P2P Device Info attribute (shall be present)
*/
- tmp = wpabuf_alloc(200);
+ tmp = wpabuf_alloc(200 + extra);
if (tmp == NULL)
return -1;
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p->wfd_ie_assoc_req)
+ wpabuf_put_buf(tmp, p2p->wfd_ie_assoc_req);
+#endif /* CONFIG_WIFI_DISPLAY */
+
peer = bssid ? p2p_get_device(p2p, bssid) : NULL;
lpos = p2p_buf_add_ie_hdr(tmp);
@@ -2370,12 +2425,29 @@
eloop_register_timeout(P2P_PEER_EXPIRATION_INTERVAL, 0,
p2p_expiration_timeout, p2p, NULL);
+ p2p->go_timeout = 100;
+ p2p->client_timeout = 20;
+
return p2p;
}
void p2p_deinit(struct p2p_data *p2p)
{
+#ifdef CONFIG_WIFI_DISPLAY
+ wpabuf_free(p2p->wfd_ie_beacon);
+ wpabuf_free(p2p->wfd_ie_probe_req);
+ wpabuf_free(p2p->wfd_ie_probe_resp);
+ wpabuf_free(p2p->wfd_ie_assoc_req);
+ wpabuf_free(p2p->wfd_ie_invitation);
+ wpabuf_free(p2p->wfd_ie_prov_disc_req);
+ wpabuf_free(p2p->wfd_ie_prov_disc_resp);
+ wpabuf_free(p2p->wfd_ie_go_neg);
+ wpabuf_free(p2p->wfd_dev_info);
+ wpabuf_free(p2p->wfd_assoc_bssid);
+ wpabuf_free(p2p->wfd_coupled_sink_info);
+#endif /* CONFIG_WIFI_DISPLAY */
+
eloop_cancel_timeout(p2p_expiration_timeout, p2p, NULL);
eloop_cancel_timeout(p2p_ext_listen_timeout, p2p, NULL);
eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
@@ -2723,7 +2795,13 @@
if (!success) {
p2p->pending_action_state = P2P_NO_PENDING_ACTION;
- if (p2p->state != P2P_IDLE)
+ if (p2p->user_initiated_pd &&
+ (p2p->state == P2P_SEARCH || p2p->state == P2P_LISTEN_ONLY))
+ {
+ /* Retry request from timeout to avoid busy loops */
+ p2p->pending_action_state = P2P_PENDING_PD;
+ p2p_set_timeout(p2p, 0, 50000);
+ } else if (p2p->state != P2P_IDLE)
p2p_continue_find(p2p);
else if (p2p->user_initiated_pd) {
p2p->pending_action_state = P2P_PENDING_PD;
@@ -2775,7 +2853,14 @@
void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id)
{
- u8 *len = p2p_buf_add_ie_hdr(ies);
+ u8 *len;
+
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p->wfd_ie_probe_req)
+ wpabuf_put_buf(ies, p2p->wfd_ie_probe_req);
+#endif /* CONFIG_WIFI_DISPLAY */
+
+ len = p2p_buf_add_ie_hdr(ies);
p2p_buf_add_capability(ies, p2p->dev_capab &
~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY, 0);
if (dev_id)
@@ -2794,7 +2879,14 @@
size_t p2p_scan_ie_buf_len(struct p2p_data *p2p)
{
- return 100;
+ size_t len = 100;
+
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p && p2p->wfd_ie_probe_req)
+ len += wpabuf_len(p2p->wfd_ie_probe_req);
+#endif /* CONFIG_WIFI_DISPLAY */
+
+ return len;
}
@@ -2845,7 +2937,7 @@
* channel.
*/
p2p_set_state(p2p, P2P_CONNECT);
- p2p_set_timeout(p2p, 0, 100000);
+ p2p_set_timeout(p2p, 0, success ? 200000 : 100000);
}
@@ -2861,7 +2953,7 @@
return;
}
p2p_set_state(p2p, P2P_CONNECT);
- p2p_set_timeout(p2p, 0, 100000);
+ p2p_set_timeout(p2p, 0, 250000);
}
@@ -3056,6 +3148,14 @@
p2p_set_timeout(p2p, 0, 100000);
return 1;
}
+ if (p2p->search_delay) {
+ wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Delay "
+ "search operation by %u ms",
+ p2p->search_delay);
+ p2p_set_timeout(p2p, p2p->search_delay / 1000,
+ (p2p->search_delay % 1000) * 1000);
+ return 1;
+ }
p2p_search(p2p);
return 1;
}
@@ -3250,6 +3350,16 @@
/* Check if we timed out waiting for PD req */
if (p2p->pending_action_state == P2P_PENDING_PD)
p2p_timeout_prov_disc_req(p2p);
+ if (p2p->search_delay && !p2p->in_search_delay) {
+ wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Delay "
+ "search operation by %u ms",
+ p2p->search_delay);
+ p2p->in_search_delay = 1;
+ p2p_set_timeout(p2p, p2p->search_delay / 1000,
+ (p2p->search_delay % 1000) * 1000);
+ break;
+ }
+ p2p->in_search_delay = 0;
p2p_search(p2p);
break;
case P2P_CONNECT:
@@ -3295,6 +3405,8 @@
break;
case P2P_SEARCH_WHEN_READY:
break;
+ case P2P_CONTINUE_SEARCH_WHEN_READY:
+ break;
}
}
@@ -3478,6 +3590,24 @@
pos += res;
}
+#ifdef CONFIG_WIFI_DISPLAY
+ if (dev->info.wfd_subelems) {
+ res = os_snprintf(pos, end - pos, "wfd_subelems=");
+ if (res < 0 || res >= end - pos)
+ return pos - buf;
+ pos += res;
+
+ pos += wpa_snprintf_hex(pos, end - pos,
+ wpabuf_head(dev->info.wfd_subelems),
+ wpabuf_len(dev->info.wfd_subelems));
+
+ res = os_snprintf(pos, end - pos, "\n");
+ if (res < 0 || res >= end - pos)
+ return pos - buf;
+ pos += res;
+ }
+#endif /* CONFIG_WIFI_DISPLAY */
+
return pos - buf;
}
@@ -4085,5 +4215,150 @@
{
if (p2p == NULL)
return 0;
+ if (p2p->state == P2P_SEARCH || p2p->state == P2P_SEARCH_WHEN_READY ||
+ p2p->state == P2P_CONTINUE_SEARCH_WHEN_READY)
+ return 2;
return p2p->state != P2P_IDLE && p2p->state != P2P_PROVISIONING;
}
+
+
+void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout,
+ u8 client_timeout)
+{
+ if (p2p) {
+ p2p->go_timeout = go_timeout;
+ p2p->client_timeout = client_timeout;
+ }
+}
+
+
+void p2p_increase_search_delay(struct p2p_data *p2p, unsigned int delay)
+{
+ if (p2p && p2p->search_delay < delay)
+ p2p->search_delay = delay;
+}
+
+
+#ifdef CONFIG_WIFI_DISPLAY
+
+static void p2p_update_wfd_ie_groups(struct p2p_data *p2p)
+{
+ size_t g;
+ struct p2p_group *group;
+
+ for (g = 0; g < p2p->num_groups; g++) {
+ group = p2p->groups[g];
+ p2p_group_update_ies(group);
+ }
+}
+
+
+int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_beacon);
+ p2p->wfd_ie_beacon = ie;
+ p2p_update_wfd_ie_groups(p2p);
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_probe_req);
+ p2p->wfd_ie_probe_req = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_probe_resp);
+ p2p->wfd_ie_probe_resp = ie;
+ p2p_update_wfd_ie_groups(p2p);
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_assoc_req);
+ p2p->wfd_ie_assoc_req = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_invitation);
+ p2p->wfd_ie_invitation = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_prov_disc_req);
+ p2p->wfd_ie_prov_disc_req = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_prov_disc_resp);
+ p2p->wfd_ie_prov_disc_resp = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_go_neg);
+ p2p->wfd_ie_go_neg = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem)
+{
+ wpabuf_free(p2p->wfd_dev_info);
+ if (elem) {
+ p2p->wfd_dev_info = wpabuf_dup(elem);
+ if (p2p->wfd_dev_info == NULL)
+ return -1;
+ } else
+ p2p->wfd_dev_info = NULL;
+
+ return 0;
+}
+
+
+int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem)
+{
+ wpabuf_free(p2p->wfd_assoc_bssid);
+ if (elem) {
+ p2p->wfd_assoc_bssid = wpabuf_dup(elem);
+ if (p2p->wfd_assoc_bssid == NULL)
+ return -1;
+ } else
+ p2p->wfd_assoc_bssid = NULL;
+
+ return 0;
+}
+
+
+int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p,
+ const struct wpabuf *elem)
+{
+ wpabuf_free(p2p->wfd_coupled_sink_info);
+ if (elem) {
+ p2p->wfd_coupled_sink_info = wpabuf_dup(elem);
+ if (p2p->wfd_coupled_sink_info == NULL)
+ return -1;
+ } else
+ p2p->wfd_coupled_sink_info = NULL;
+
+ return 0;
+}
+
+#endif /* CONFIG_WIFI_DISPLAY */