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Diffstat (limited to 'net/mac80211/spectmgmt.c')
-rw-r--r--net/mac80211/spectmgmt.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 8396b5a77e8..8d4ec2968f8 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -161,3 +161,24 @@ void ieee80211_process_chanswitch(struct ieee80211_sub_if_data *sdata,
jiffies + msecs_to_jiffies(sw_elem->count * bss->beacon_int));
}
}
+
+void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
+ u16 capab_info, u8 *pwr_constr_elem,
+ u8 pwr_constr_elem_len)
+{
+ struct ieee80211_conf *conf = &sdata->local->hw.conf;
+
+ if (!(capab_info & WLAN_CAPABILITY_SPECTRUM_MGMT))
+ return;
+
+ /* Power constraint IE length should be 1 octet */
+ if (pwr_constr_elem_len != 1)
+ return;
+
+ if ((*pwr_constr_elem <= conf->channel->max_power) &&
+ (*pwr_constr_elem != sdata->local->power_constr_level)) {
+ sdata->local->power_constr_level = *pwr_constr_elem;
+ ieee80211_hw_config(sdata->local, 0);
+ }
+}
+