diff options
| author | Gregory Greenman <gregory.greenman@intel.com> | 2018-04-20 13:49:24 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2018-05-07 21:50:15 +0300 |
| commit | 03737001e463d458c13510fcb64179b3368aaeee (patch) | |
| tree | d3806e1452b144726562b5b77ddb09ad4f2e3575 /net/mac80211 | |
| parent | a403f3bf6390f085b7864814fb17567718c5a22c (diff) | |
| download | linux-03737001e463d458c13510fcb64179b3368aaeee.tar.xz | |
mac80211: add api to set CSA counter in mac80211
Sometimes the most updated CSA counter values are known only
to the device. Add an API to pass this data to mac80211.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
| -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); |