[PATCH] mesh: Make DTIM period configurable

[Masashi Honma <masashi.honma@xxxxxxxxx>]

Signed-off-by: Masashi Honma <masashi.honma@xxxxxxxxx>
---
 src/drivers/driver.h         |  1 +
 src/drivers/driver_nl80211.c | 16 ++++++++++++++--
 wpa_supplicant/mesh.c        |  4 ++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index 671a4b8..5d9787b 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -1135,6 +1135,7 @@ struct wpa_driver_mesh_join_params {
 	int ie_len;
 	struct hostapd_freq_params freq;
 	int beacon_int;
+	int dtim_period;
 	int max_peer_links;
 	struct wpa_driver_mesh_bss_params conf;
 #define WPA_DRIVER_MESH_FLAG_USER_MPM	0x00000001
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index b2b27a7..55d9c31 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -3468,6 +3468,17 @@ static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
 }
 
 
+static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
+{
+	if (dtim_period > 0) {
+		wpa_printf(MSG_DEBUG, "  * dtim_period=%d", dtim_period);
+		return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
+	}
+
+	return 0;
+}
+
+
 static int wpa_driver_nl80211_set_ap(void *priv,
 				     struct wpa_driver_ap_params *params)
 {
@@ -3504,7 +3515,7 @@ static int wpa_driver_nl80211_set_ap(void *priv,
 	    nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
 		    params->tail) ||
 	    nl80211_put_beacon_int(msg, params->beacon_int) ||
-	    nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
+	    nl80211_put_dtim_period(msg, params->dtim_period) ||
 	    nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
 		goto fail;
 	if (params->proberesp && params->proberesp_len) {
@@ -8391,7 +8402,8 @@ static int nl80211_join_mesh(struct i802_bss *bss,
 	    nl80211_put_freq_params(msg, &params->freq) ||
 	    nl80211_put_basic_rates(msg, params->basic_rates) ||
 	    nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
-	    nl80211_put_beacon_int(msg, params->beacon_int))
+	    nl80211_put_beacon_int(msg, params->beacon_int) ||
+	    nl80211_put_dtim_period(msg, params->dtim_period))
 		goto fail;
 
 	wpa_printf(MSG_DEBUG, "  * flags=%08X", params->flags);
diff --git a/wpa_supplicant/mesh.c b/wpa_supplicant/mesh.c
index dd534d4..cdfe51c 100644
--- a/wpa_supplicant/mesh.c
+++ b/wpa_supplicant/mesh.c
@@ -400,6 +400,10 @@ int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s,
 		params.beacon_int = ssid->beacon_int;
 	else if (wpa_s->conf->beacon_int > 0)
 		params.beacon_int = wpa_s->conf->beacon_int;
+	if (ssid->dtim_period > 0)
+		params.dtim_period = ssid->dtim_period;
+	else if (wpa_s->conf->dtim_period > 0)
+		params.dtim_period = wpa_s->conf->dtim_period;
 	params.max_peer_links = wpa_s->conf->max_peer_links;
 
 	if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) {
-- 
1.9.1


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