diff options
Diffstat (limited to 'net/mac80211/tx.c')
| -rw-r--r-- | net/mac80211/tx.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 535de3161a78..062e125a324c 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -4084,6 +4084,31 @@ unlock: } EXPORT_SYMBOL(ieee80211_csa_update_counter); +void ieee80211_csa_set_counter(struct ieee80211_vif *vif, u8 counter) +{ + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); + struct beacon_data *beacon = NULL; + + rcu_read_lock(); + + if (sdata->vif.type == NL80211_IFTYPE_AP) + beacon = rcu_dereference(sdata->u.ap.beacon); + else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) + beacon = rcu_dereference(sdata->u.ibss.presp); + else if (ieee80211_vif_is_mesh(&sdata->vif)) + beacon = rcu_dereference(sdata->u.mesh.beacon); + + if (!beacon) + goto unlock; + + if (counter < beacon->csa_current_counter) + beacon->csa_current_counter = counter; + +unlock: + rcu_read_unlock(); +} +EXPORT_SYMBOL(ieee80211_csa_set_counter); + bool ieee80211_csa_is_complete(struct ieee80211_vif *vif) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |