diff options
Diffstat (limited to 'net/mac80211/spectmgmt.c')
| -rw-r--r-- | net/mac80211/spectmgmt.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c index 8396b5a77e8d..8d4ec2968f8f 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); + } +} + |