diff options
| author | Andrei Otcheretianski <andrei.otcheretianski@intel.com> | 2013-07-21 17:23:59 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-08-16 12:12:24 +0200 |
| commit | a20fd398666dbf5cdee3fe97722350cc10619c84 (patch) | |
| tree | a70433b643ebb44a00a611b1c297e901144435a4 /drivers/net/wireless/iwlwifi/mvm/mac80211.c | |
| parent | eafe25e0afaf45a4e38f9b3560ac774a2395c695 (diff) | |
iwlwifi: mvm: Implement CQM offloading
Use beacon statistics notification to track RSSI.
Notify mac80211 when the tresholds are crossed.
The roaming treshold is configured to be
equal to cqm_thold. If the beacon filtering command
is not supported by fw fall back and use mac80211
mechanism.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/mac80211.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 66803b99cca8..692d2ea211e8 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -575,7 +575,8 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, vif->type == NL80211_IFTYPE_STATION && !vif->p2p && mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED){ mvm->bf_allowed_vif = mvmvif; - vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; + vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | + IEEE80211_VIF_SUPPORTS_CQM_RSSI; } /* @@ -615,7 +616,8 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, out_free_bf: if (mvm->bf_allowed_vif == mvmvif) { mvm->bf_allowed_vif = NULL; - vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; + vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | + IEEE80211_VIF_SUPPORTS_CQM_RSSI); } out_remove_mac: mvmvif->phy_ctxt = NULL; @@ -681,7 +683,8 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, if (mvm->bf_allowed_vif == mvmvif) { mvm->bf_allowed_vif = NULL; - vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; + vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | + IEEE80211_VIF_SUPPORTS_CQM_RSSI); } iwl_mvm_vif_dbgfs_clean(mvm, vif); @@ -799,6 +802,10 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, if (ret) IWL_ERR(mvm, "failed to update quotas\n"); } + + /* reset rssi values */ + mvmvif->bf_data.ave_beacon_signal = 0; + if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD)) { /* Workaround for FW bug, otherwise FW disables device * power save upon disassociation @@ -825,6 +832,15 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, bss_conf->txpower); iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); } + + if (changes & BSS_CHANGED_CQM) { + IWL_DEBUG_MAC80211(mvm, "cqm info_changed"); + /* reset cqm events tracking */ + mvmvif->bf_data.last_cqm_event = 0; + ret = iwl_mvm_update_beacon_filter(mvm, vif); + if (ret) + IWL_ERR(mvm, "failed to update CQM thresholds\n"); + } } static int iwl_mvm_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |