diff options
author | Arik Nemtsov <arik@wizery.com> | 2014-06-10 19:56:27 +0300 |
---|---|---|
committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-07-07 21:41:24 +0300 |
commit | f59e0e3cd8c1d57a1e5e94607b54221eccd3fdf3 (patch) | |
tree | b57751d9c16934de254f6f0b35fe20ac33637e55 | |
parent | fa3d07e47f2411aa9ccb54192c4f978c60a9e111 (diff) | |
download | linux-f59e0e3cd8c1d57a1e5e94607b54221eccd3fdf3.tar.bz2 |
iwlwifi: mvm: teardown TDLS peers when initiating DCM
The FW currently doesn't optimally support TDLS in DCM mode. Teardown
all TDLS peers when we have more than a single phy context.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 8aa6fa46c628..2eb6ebee4467 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -1885,6 +1885,28 @@ static void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, iwl_mvm_power_update_mac(mvm); } +static void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm) +{ + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvmsta; + int i; + + lockdep_assert_held(&mvm->mutex); + + for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], + lockdep_is_held(&mvm->mutex)); + if (!sta || IS_ERR(sta) || !sta->tdls) + continue; + + mvmsta = iwl_mvm_sta_from_mac80211(sta); + ieee80211_tdls_oper_request(mvmsta->vif, sta->addr, + NL80211_TDLS_TEARDOWN, + WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED, + GFP_KERNEL); + } +} + static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, @@ -1954,6 +1976,11 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, true); } else if (old_state == IEEE80211_STA_ASSOC && new_state == IEEE80211_STA_AUTHORIZED) { + + /* we don't support TDLS during DCM */ + if (iwl_mvm_phy_ctx_count(mvm) > 1) + iwl_mvm_teardown_tdls_peers(mvm); + /* enable beacon filtering */ WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); ret = 0; |