From bd6f5bd70012569dc626f50f3272b9f516cf20f8 Mon Sep 17 00:00:00 2001 From: Ayala Beker Date: Sun, 20 Dec 2015 09:27:50 +0200 Subject: [PATCH] iwlwifi: mvm: don't ask beacons when P2P GO vif and no assoc sta The commit below called iwl_mvm_mac_ctxt_changed() to handle a case that the vif is a P2P GO. However iwl_mvm_mac_ctxt_cmd_go() ignores the number of associated stations and asks the FW to pass beacons anyways. Fix this by checking ap_assoc_sta_count parameter, in iwl_mvm_mac_ctxt_cmd_go() as well, and ask the FW to pass beacons only when there's at least one associated station. Signed-off-by: Ayala Beker Signed-off-by: Emmanuel Grumbach --- .../net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 44 ++++++++----------- 1 file changed, 19 insertions(+), 25 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 448b9c927b51..bf1e5eb5dbdb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -717,6 +717,8 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm, cpu_to_le32(vif->bss_conf.use_short_slot ? MAC_FLG_SHORT_SLOT : 0); + cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP); + for (i = 0; i < IEEE80211_NUM_ACS; i++) { u8 txf = iwl_mvm_ac_to_tx_fifo[i]; @@ -730,11 +732,26 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm, cmd->ac[txf].fifos_mask = BIT(txf); } - /* in AP mode, the MCAST FIFO takes the EDCA params from VO */ - if (vif->type == NL80211_IFTYPE_AP) + if (vif->type == NL80211_IFTYPE_AP) { + /* in AP mode, the MCAST FIFO takes the EDCA params from VO */ cmd->ac[IWL_MVM_TX_FIFO_VO].fifos_mask |= BIT(IWL_MVM_TX_FIFO_MCAST); + /* + * in AP mode, pass probe requests and beacons from other APs + * (needed for ht protection); when there're no any associated + * station don't ask FW to pass beacons to prevent unnecessary + * wake-ups. + */ + cmd->filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST); + if (mvmvif->ap_assoc_sta_count) { + cmd->filter_flags |= cpu_to_le32(MAC_FILTER_IN_BEACON); + IWL_DEBUG_HC(mvm, "Asking FW to pass beacons\n"); + } else { + IWL_DEBUG_HC(mvm, "No need to receive beacons\n"); + } + } + if (vif->bss_conf.qos) cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_UPDATE_EDCA); @@ -748,8 +765,6 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm, cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_TGN); if (ht_enabled) iwl_mvm_mac_ctxt_set_ht_flags(mvm, vif, cmd); - - cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP); } static int iwl_mvm_mac_ctxt_send_cmd(struct iwl_mvm *mvm, @@ -1156,7 +1171,6 @@ static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm, struct ieee80211_vif *vif, u32 action) { - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mac_ctx_cmd cmd = {}; WARN_ON(vif->type != NL80211_IFTYPE_AP || vif->p2p); @@ -1164,19 +1178,6 @@ static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm, /* Fill the common data for all mac context types */ iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action); - /* - * pass probe requests and beacons from other APs (needed - * for ht protection); when there're no any associated station - * don't ask FW to pass beacons to prevent unnecessary wake-ups. - */ - cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST); - if (mvmvif->ap_assoc_sta_count) { - cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_BEACON); - IWL_DEBUG_HC(mvm, "Asking FW to pass beacons\n"); - } else { - IWL_DEBUG_HC(mvm, "No need to receive beacons\n"); - } - /* Fill the data specific for ap mode */ iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.ap, action == FW_CTXT_ACTION_ADD); @@ -1196,13 +1197,6 @@ static int iwl_mvm_mac_ctxt_cmd_go(struct iwl_mvm *mvm, /* Fill the common data for all mac context types */ iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action); - /* - * pass probe requests and beacons from other APs (needed - * for ht protection) - */ - cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST | - MAC_FILTER_IN_BEACON); - /* Fill the data specific for GO mode */ iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.go.ap, action == FW_CTXT_ACTION_ADD); -- 2.20.1