{cfg,nl,mac}80211: set beacon interval and DTIM period on mesh join
Move the default mesh beacon interval and DTIM period to cfg80211
and make them accessible to nl80211. This enables setting both
values when joining an MBSS.
Previously the DTIM parameter was not set by mac80211 so the
driver's default value was used.
Signed-off-by: Marco Porsch <marco@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 3d8717a..516aded 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1036,6 +1036,8 @@
* @ie_len: length of vendor information elements
* @is_authenticated: this mesh requires authentication
* @is_secure: this mesh uses security
+ * @dtim_period: DTIM period to use
+ * @beacon_interval: beacon interval to use
* @mcast_rate: multicat rate for Mesh Node [6Mbps is the default for 802.11a]
*
* These parameters are fixed when the mesh is created.
@@ -1051,6 +1053,8 @@
u8 ie_len;
bool is_authenticated;
bool is_secure;
+ u8 dtim_period;
+ u16 beacon_interval;
int mcast_rate[IEEE80211_NUM_BANDS];
};
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 8a91dd2..36aa65f 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1666,6 +1666,9 @@
memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
sizeof(setup->mcast_rate));
+ sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
+ sdata->vif.bss_conf.dtim_period = setup->dtim_period;
+
return 0;
}
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 2458858..694e273 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -625,7 +625,6 @@
ieee80211_queue_work(&local->hw, &sdata->work);
sdata->vif.bss_conf.ht_operation_mode =
ifmsh->mshcfg.ht_opmode;
- sdata->vif.bss_conf.beacon_int = MESH_DEFAULT_BEACON_INTERVAL;
sdata->vif.bss_conf.enable_beacon = true;
sdata->vif.bss_conf.basic_rates =
ieee80211_mandatory_rates(local, band);
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index c07f6fc..aff3015 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -191,8 +191,6 @@
#define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ)
#define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ)
-#define MESH_DEFAULT_BEACON_INTERVAL 1000 /* in 1024 us units */
-
#define MESH_PATH_EXPIRE (600 * HZ)
/* Default maximum number of plinks per interface */
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index f9d6ce5..0fe8ceb 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -44,6 +44,9 @@
#define MESH_SYNC_NEIGHBOR_OFFSET_MAX 50
+#define MESH_DEFAULT_BEACON_INTERVAL 1000 /* in 1024 us units (=TUs) */
+#define MESH_DEFAULT_DTIM_PERIOD 2
+
const struct mesh_config default_mesh_config = {
.dot11MeshRetryTimeout = MESH_RET_T,
.dot11MeshConfirmTimeout = MESH_CONF_T,
@@ -79,6 +82,8 @@
.ie = NULL,
.ie_len = 0,
.is_secure = false,
+ .beacon_interval = MESH_DEFAULT_BEACON_INTERVAL,
+ .dtim_period = MESH_DEFAULT_DTIM_PERIOD,
};
int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ceb27fd..d5842eb 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -6669,6 +6669,21 @@
nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
return -EINVAL;
+ if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
+ setup.beacon_interval =
+ nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
+ if (setup.beacon_interval < 10 ||
+ setup.beacon_interval > 10000)
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
+ setup.dtim_period =
+ nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
+ if (setup.dtim_period < 1 || setup.dtim_period > 100)
+ return -EINVAL;
+ }
+
if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
/* parse additional setup parameters if given */
err = nl80211_parse_mesh_setup(info, &setup);
