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/power.c | |
| parent | eafe25e0afaf45a4e38f9b3560ac774a2395c695 (diff) | |
| download | linux-a20fd398666dbf5cdee3fe97722350cc10619c84.tar.gz | |
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/power.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/power.c | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index 9c9b5bafb577..a5529b85de8b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -110,6 +110,23 @@ int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, return ret; } +static +void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_beacon_filter_cmd *cmd) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (vif->bss_conf.cqm_rssi_thold) { + cmd->bf_energy_delta = + cpu_to_le32(vif->bss_conf.cqm_rssi_hyst); + /* fw uses an absolute value for this */ + cmd->bf_roaming_state = + cpu_to_le32(-vif->bss_conf.cqm_rssi_thold); + } + cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled); +} + int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm, struct ieee80211_vif *vif, bool enable) { @@ -120,12 +137,14 @@ int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm, .ba_enable_beacon_abort = cpu_to_le32(enable), }; - if (!mvmvif->bf_enabled) + if (!mvmvif->bf_data.bf_enabled) return 0; if (mvm->cur_ucode == IWL_UCODE_WOWLAN) cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3); + mvmvif->bf_data.ba_enabled = enable; + iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, &cmd); iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); return iwl_mvm_beacon_filter_send_cmd(mvm, &cmd); } @@ -510,11 +529,12 @@ int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, vif->type != NL80211_IFTYPE_STATION || vif->p2p) return 0; + iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, &cmd); iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd); if (!ret) - mvmvif->bf_enabled = true; + mvmvif->bf_data.bf_enabled = true; return ret; } @@ -533,11 +553,22 @@ int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd); if (!ret) - mvmvif->bf_enabled = false; + mvmvif->bf_data.bf_enabled = false; return ret; } +int iwl_mvm_update_beacon_filter(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (!mvmvif->bf_data.bf_enabled) + return 0; + + return iwl_mvm_enable_beacon_filter(mvm, vif); +} + const struct iwl_mvm_power_ops pm_mac_ops = { .power_update_mode = iwl_mvm_power_mac_update_mode, .power_disable = iwl_mvm_power_mac_disable, |