[PATCH 15/23] P2PS: Indicate the chosen operating frequency

Ilan Peer ilan.peer at intel.com
Thu Sep 24 13:38:05 EDT 2015


On successful P2P PD report the chosen frequency in case that the
local device is going to be the P2P GO so it can later be used to
instantiate the new P2P GO etc.

Signed-off-by: Ilan Peer <ilan.peer at intel.com>
---
 src/p2p/p2p.h                     |  3 ++-
 src/p2p/p2p_pd.c                  | 34 ++++++++++++++++++++++++----------
 wpa_supplicant/ctrl_iface.c       |  2 ++
 wpa_supplicant/p2p_supplicant.c   | 17 ++++++++++++-----
 wpa_supplicant/wpa_supplicant_i.h |  1 +
 5 files changed, 41 insertions(+), 16 deletions(-)

diff --git a/src/p2p/p2p.h b/src/p2p/p2p.h
index 8f7e19b..18763b0 100644
--- a/src/p2p/p2p.h
+++ b/src/p2p/p2p.h
@@ -1066,7 +1066,8 @@ struct p2p_config {
 				   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);
+				   const u8 *feat_cap, size_t feat_cap_len,
+				   int freq);
 
 	/**
 	 * prov_disc_resp_cb - Callback for indicating completion of PD Response
diff --git a/src/p2p/p2p_pd.c b/src/p2p/p2p_pd.c
index 13f2c32..9ec1d70 100644
--- a/src/p2p/p2p_pd.c
+++ b/src/p2p/p2p_pd.c
@@ -979,6 +979,11 @@ out:
 		wpabuf_free(resp);
 	}
 
+	freq = 0;
+	if (reject == P2P_SC_SUCCESS && conncap == P2PS_SETUP_GROUP_OWNER)
+		freq = p2p_channel_to_freq(p2p->op_reg_class,
+					   p2p->op_channel);
+
 	if (!p2p->cfg->p2ps_prov_complete) {
 		/* Don't emit anything */
 	} else if (msg.status && *msg.status != P2P_SC_SUCCESS &&
@@ -989,7 +994,7 @@ out:
 					     NULL, adv_id, session_id,
 					     0, 0, msg.persistent_ssid,
 					     msg.persistent_ssid_len,
-					     0, 0, NULL, NULL, 0);
+					     0, 0, NULL, NULL, 0, freq);
 	} else if (msg.status && *msg.status == P2P_SC_SUCCESS_DEFERRED &&
 		   p2p->p2ps_prov) {
 		p2p->p2ps_prov->status = reject;
@@ -1002,7 +1007,7 @@ out:
 						     session_id, conncap, 0,
 						     msg.persistent_ssid,
 						     msg.persistent_ssid_len, 0,
-						     0, NULL, NULL, 0);
+						     0, NULL, NULL, 0, freq);
 		else
 			p2p->cfg->p2ps_prov_complete(p2p->cfg->cb_ctx,
 						     *msg.status,
@@ -1014,7 +1019,7 @@ out:
 						     msg.persistent_ssid_len, 0,
 						     0, NULL,
 						     (const u8 *) &resp_fcap,
-						     sizeof(resp_fcap));
+						     sizeof(resp_fcap), freq);
 	} else if (msg.status && p2p->p2ps_prov) {
 		p2p->p2ps_prov->status = P2P_SC_SUCCESS;
 		p2p->cfg->p2ps_prov_complete(p2p->cfg->cb_ctx, *msg.status, sa,
@@ -1025,7 +1030,8 @@ out:
 					     msg.persistent_ssid_len,
 					     0, 0, NULL,
 					     (const u8 *) &resp_fcap,
-					     sizeof(resp_fcap));
+					     sizeof(resp_fcap),
+					     freq);
 	} else if (msg.status) {
 	} else if (auto_accept && reject == P2P_SC_SUCCESS) {
 		p2p->cfg->p2ps_prov_complete(p2p->cfg->cb_ctx, P2P_SC_SUCCESS,
@@ -1036,7 +1042,7 @@ out:
 					     msg.persistent_ssid_len,
 					     0, 0, NULL,
 					     (const u8 *) &resp_fcap,
-					     sizeof(resp_fcap));
+					     sizeof(resp_fcap), freq);
 	} else if (reject == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE &&
 		   (!msg.session_info || !msg.session_info_len)) {
 		p2p->p2ps_prov->method = msg.wps_config_methods;
@@ -1049,7 +1055,7 @@ out:
 					     msg.persistent_ssid_len,
 					     0, 1, NULL,
 					     (const u8 *) &resp_fcap,
-					     sizeof(resp_fcap));
+					     sizeof(resp_fcap), freq);
 	} else if (reject == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
 		size_t buf_len = msg.session_info_len;
 		char *buf = os_malloc(2 * buf_len + 1);
@@ -1066,7 +1072,8 @@ out:
 				session_id, conncap, passwd_id,
 				msg.persistent_ssid, msg.persistent_ssid_len,
 				0, 1, buf,
-				(const u8 *) &resp_fcap, sizeof(resp_fcap));
+				(const u8 *)&resp_fcap, sizeof(resp_fcap),
+				freq);
 
 			os_free(buf);
 		}
@@ -1399,14 +1406,21 @@ void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
 			}
 		}
 
-		if (p2p->cfg->p2ps_prov_complete)
+		if (p2p->cfg->p2ps_prov_complete) {
+			int freq = 0;
+
+			if (conncap == P2PS_SETUP_GROUP_OWNER)
+				freq = p2p_channel_to_freq(p2p->op_reg_class,
+							   p2p->op_channel);
+
 			p2p->cfg->p2ps_prov_complete(
 				p2p->cfg->cb_ctx, status, sa, adv_mac,
 				p2p->p2ps_prov->session_mac,
 				group_mac, adv_id, p2p->p2ps_prov->session_id,
 				conncap, passwd_id, msg.persistent_ssid,
 				msg.persistent_ssid_len, 1, 0, NULL,
-				msg.feature_cap, msg.feature_cap_len);
+				msg.feature_cap, msg.feature_cap_len, freq);
+		}
 		p2ps_prov_free(p2p);
 	} else if (status != P2P_SC_SUCCESS &&
 		   status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE &&
@@ -1416,7 +1430,7 @@ void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
 				p2p->cfg->cb_ctx, status, sa, adv_mac,
 				p2p->p2ps_prov->session_mac,
 				group_mac, adv_id, p2p->p2ps_prov->session_id,
-				0, 0, NULL, 0, 1, 0, NULL, NULL, 0);
+				0, 0, NULL, 0, 1, 0, NULL, NULL, 0, 0);
 		p2ps_prov_free(p2p);
 	}
 
diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 3b97806..d435421 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -6803,6 +6803,8 @@ static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
 	p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
 	p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
 	p2p_wpa_s->global->pending_p2ps_group = 0;
+	p2p_wpa_s->global->pending_p2ps_group_freq = 0;
+
 #endif /* CONFIG_P2P */
 
 #ifdef CONFIG_WPS_TESTING
diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
index be71fce..3e9ef4e 100644
--- a/wpa_supplicant/p2p_supplicant.c
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -3788,7 +3788,8 @@ static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
 				    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)
+				    const u8 *feat_cap, size_t feat_cap_len,
+				    int freq)
 {
 	struct wpa_supplicant *wpa_s = ctx;
 	u8 mac[ETH_ALEN];
@@ -3946,6 +3947,7 @@ static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
 		go_ifname[0] = '\0';
 		if (!go_wpa_s) {
 			wpa_s->global->pending_p2ps_group = 1;
+			wpa_s->global->pending_p2ps_group_freq = freq;
 
 			if (!wpas_p2p_create_iface(wpa_s))
 				os_memcpy(go_ifname, wpa_s->ifname,
@@ -3960,7 +3962,7 @@ static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
 					wpa_s, P2P_SC_FAIL_UNKNOWN_GROUP,
 					dev, adv_mac, ses_mac,
 					grp_mac, adv_id, ses_id, 0, 0,
-					NULL, 0, 0, 0, NULL, NULL, 0);
+					NULL, 0, 0, 0, NULL, NULL, 0, 0);
 				return;
 			}
 
@@ -3968,13 +3970,13 @@ static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
 			if (response_done && persistent_go) {
 				wpas_p2p_group_add_persistent(
 					wpa_s, persistent_go,
-					0, 0, 0, 0, 0, NULL,
+					0, 0, freq, 0, 0, NULL,
 					persistent_go->mode ==
 					WPAS_MODE_P2P_GO ?
 					P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE :
 					0, 0);
 			} else if (response_done) {
-				wpas_p2p_group_add(wpa_s, 1, 0, 0, 0);
+				wpas_p2p_group_add(wpa_s, 1, freq, 0, 0);
 			}
 
 			if (passwd_id == DEV_PW_P2PS_DEFAULT) {
@@ -4063,11 +4065,14 @@ static int wpas_prov_disc_resp_cb(void *ctx)
 {
 	struct wpa_supplicant *wpa_s = ctx;
 	struct wpa_ssid *persistent_go;
+	int freq;
 
 	if (!wpa_s->global->pending_p2ps_group)
 		return 0;
 
+	freq = wpa_s->global->pending_p2ps_group_freq;
 	wpa_s->global->pending_p2ps_group = 0;
+	wpa_s->global->pending_p2ps_group_freq = 0;
 
 	if (wpas_p2p_get_go_group(wpa_s))
 		return 0;
@@ -4079,7 +4084,7 @@ static int wpas_prov_disc_resp_cb(void *ctx)
 			persistent_go->mode == WPAS_MODE_P2P_GO ?
 			P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0, 0);
 	} else {
-		wpas_p2p_group_add(wpa_s, 1, 0, 0, 0);
+		wpas_p2p_group_add(wpa_s, 1, freq, 0, 0);
 	}
 
 	return 1;
@@ -5143,6 +5148,7 @@ int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
 
 	wpa_s->global->p2p_fail_on_wps_complete = 0;
 	wpa_s->global->pending_p2ps_group = 0;
+	wpa_s->global->pending_p2ps_group_freq = 0;
 	wpa_s->p2ps_method_config_any = 0;
 
 	if (go_intent < 0)
@@ -6202,6 +6208,7 @@ int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
 	u16 config_methods;
 
 	wpa_s->global->pending_p2ps_group = 0;
+	wpa_s->global->pending_p2ps_group_freq = 0;
 	wpa_s->p2p_fallback_to_go_neg = 0;
 	wpa_s->pending_pd_use = NORMAL_PD;
 	if (p2ps_prov && use == WPAS_P2P_PD_FOR_ASP) {
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index 58df48c..80dacf0 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -278,6 +278,7 @@ struct wpa_global {
 	unsigned int p2p_24ghz_social_channels:1;
 	unsigned int pending_p2ps_group:1;
 	unsigned int pending_group_iface_for_p2ps:1;
+	int pending_p2ps_group_freq;
 
 #ifdef CONFIG_WIFI_DISPLAY
 	int wifi_display;
-- 
1.9.1



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