From: Andrei Otcheretianski Date: Tue, 30 Jun 2015 09:08:28 +0000 (+0300) Subject: iwlwifi: mvm: Implement per vif frame registration API X-Git-Tag: v4.4-rc1~141^2~39^2~11^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=effd19298c7767457772d489c88f1b7ffa6e7bd9;p=platform%2Fkernel%2Flinux-exynos.git iwlwifi: mvm: Implement per vif frame registration API Implement config_iface_filter() driver op. Currently support only probe request registration for p2p client vifs, by setting MAC_FILTER_IN_PROBE_REQUEST flag in MAC_CONTEXT_CMD. This is needed since WFDS spec and certification require a P2P client to be discoverable on its operating channel. Signed-off-by: Andrei Otcheretianski Signed-off-by: Emmanuel Grumbach --- diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index 9d36ba7..ad7ad72 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -843,6 +843,9 @@ static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm, ctxt_sta->listen_interval = cpu_to_le32(mvm->hw->conf.listen_interval); ctxt_sta->assoc_id = cpu_to_le32(vif->bss_conf.aid); + if (vif->probe_req_reg && vif->bss_conf.assoc && vif->p2p) + cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST); + return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); } diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 8e69ab2..1d21e38 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -1996,6 +1996,27 @@ out: *total_flags = 0; } +static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + unsigned int filter_flags, + unsigned int changed_flags) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + /* We support only filter for probe requests */ + if (!(changed_flags & FIF_PROBE_REQ)) + return; + + /* Supported only for p2p client interfaces */ + if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || + !vif->p2p) + return; + + mutex_lock(&mvm->mutex); + iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); + mutex_unlock(&mvm->mutex); +} + #ifdef CONFIG_IWLWIFI_BCAST_FILTERING struct iwl_bcast_iter_data { struct iwl_mvm *mvm; @@ -4175,6 +4196,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = { .config = iwl_mvm_mac_config, .prepare_multicast = iwl_mvm_prepare_multicast, .configure_filter = iwl_mvm_configure_filter, + .config_iface_filter = iwl_mvm_config_iface_filter, .bss_info_changed = iwl_mvm_bss_info_changed, .hw_scan = iwl_mvm_mac_hw_scan, .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,