From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 19 Feb 2024 03:26:26 +0000 Subject: [PATCH] add r8169 read mac form eeprom --- kernel/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 530 ++++++++++++++++++++++++++++++---------------------------- 1 files changed, 274 insertions(+), 256 deletions(-) diff --git a/kernel/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/kernel/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index d90d583..6a8bf9b 100644 --- a/kernel/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/kernel/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -5,9 +5,9 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -18,11 +18,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, - * USA - * * The full GNU General Public License is included in this distribution * in the file called COPYING. * @@ -32,9 +27,9 @@ * * BSD LICENSE * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -100,11 +95,6 @@ bool found_vif; }; -struct iwl_mvm_hw_queues_iface_iterator_data { - struct ieee80211_vif *exclude_vif; - unsigned long used_hw_queues; -}; - static void iwl_mvm_mac_tsf_id_iter(void *_data, u8 *mac, struct ieee80211_vif *vif) { @@ -125,12 +115,12 @@ * client in the system. * * The firmware will decide according to the MAC type which - * will be the master and slave. Clients that need to sync - * with a remote station will be the master, and an AP or GO - * will be the slave. + * will be the leader and follower. Clients that need to sync + * with a remote station will be the leader, and an AP or GO + * will be the follower. * - * Depending on the new interface type it can be slaved to - * or become the master of an existing interface. + * Depending on the new interface type it can be following + * or become the leader of an existing interface. */ switch (data->vif->type) { case NL80211_IFTYPE_STATION: @@ -211,61 +201,6 @@ data->preferred_tsf = NUM_TSF_IDS; } -/* - * Get the mask of the queues used by the vif - */ -u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif) -{ - u32 qmask = 0, ac; - - if (vif->type == NL80211_IFTYPE_P2P_DEVICE) - return BIT(IWL_MVM_OFFCHANNEL_QUEUE); - - for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { - if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE) - qmask |= BIT(vif->hw_queue[ac]); - } - - if (vif->type == NL80211_IFTYPE_AP || - vif->type == NL80211_IFTYPE_ADHOC) - qmask |= BIT(vif->cab_queue); - - return qmask; -} - -static void iwl_mvm_iface_hw_queues_iter(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_mvm_hw_queues_iface_iterator_data *data = _data; - - /* exclude the given vif */ - if (vif == data->exclude_vif) - return; - - data->used_hw_queues |= iwl_mvm_mac_get_queues_mask(vif); -} - -unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, - struct ieee80211_vif *exclude_vif) -{ - struct iwl_mvm_hw_queues_iface_iterator_data data = { - .exclude_vif = exclude_vif, - .used_hw_queues = - BIT(IWL_MVM_OFFCHANNEL_QUEUE) | - BIT(mvm->aux_queue) | - BIT(IWL_MVM_DQA_GCAST_QUEUE), - }; - - lockdep_assert_held(&mvm->mutex); - - /* mark all VIF used hw queues */ - ieee80211_iterate_active_interfaces_atomic( - mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL, - iwl_mvm_iface_hw_queues_iter, &data); - - return data.used_hw_queues; -} - static void iwl_mvm_mac_iface_iterator(void *_data, u8 *mac, struct ieee80211_vif *vif) { @@ -325,9 +260,7 @@ .preferred_tsf = NUM_TSF_IDS, .found_vif = false, }; - u32 ac; - int ret, i, queue_limit; - unsigned long used_hw_queues; + int ret, i; lockdep_assert_held(&mvm->mutex); @@ -362,8 +295,6 @@ ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL, iwl_mvm_mac_iface_iterator, &data); - - used_hw_queues = iwl_mvm_get_used_hw_queues(mvm, vif); /* * In the case we're getting here during resume, it's similar to @@ -406,40 +337,9 @@ INIT_LIST_HEAD(&mvmvif->time_event_data.list); mvmvif->time_event_data.id = TE_MAX; - /* No need to allocate data queues to P2P Device MAC.*/ - if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { - for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) - vif->hw_queue[ac] = IEEE80211_INVAL_HW_QUEUE; - + /* No need to allocate data queues to P2P Device MAC and NAN.*/ + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) return 0; - } - - /* - * queues in mac80211 almost entirely independent of - * the ones here - no real limit - */ - queue_limit = IEEE80211_MAX_QUEUES; - BUILD_BUG_ON(IEEE80211_MAX_QUEUES > - BITS_PER_BYTE * - sizeof(mvm->hw_queue_to_mac80211[0])); - - /* - * Find available queues, and allocate them to the ACs. When in - * DQA-mode they aren't really used, and this is done only so the - * mac80211 ieee80211_check_queues() function won't fail - */ - for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { - u8 queue = find_first_zero_bit(&used_hw_queues, queue_limit); - - if (queue >= queue_limit) { - IWL_ERR(mvm, "Failed to allocate queue\n"); - ret = -EIO; - goto exit_fail; - } - - __set_bit(queue, &used_hw_queues); - vif->hw_queue[ac] = queue; - } /* Allocate the CAB queue for softAP and GO interfaces */ if (vif->type == NL80211_IFTYPE_AP || @@ -449,9 +349,6 @@ * queue value (when queue is enabled). */ mvmvif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE; - vif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE; - } else { - vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; } mvmvif->bcast_sta.sta_id = IWL_MVM_INVALID_STA; @@ -465,8 +362,6 @@ exit_fail: memset(mvmvif, 0, sizeof(struct iwl_mvm_vif)); - memset(vif->hw_queue, IEEE80211_INVAL_HW_QUEUE, sizeof(vif->hw_queue)); - vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; return ret; } @@ -657,19 +552,20 @@ cpu_to_le32(vif->bss_conf.use_short_slot ? MAC_FLG_SHORT_SLOT : 0); - cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP); + cmd->filter_flags = 0; for (i = 0; i < IEEE80211_NUM_ACS; i++) { u8 txf = iwl_mvm_mac_ac_to_tx_fifo(mvm, i); + u8 ucode_ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); - cmd->ac[txf].cw_min = + cmd->ac[ucode_ac].cw_min = cpu_to_le16(mvmvif->queue_params[i].cw_min); - cmd->ac[txf].cw_max = + cmd->ac[ucode_ac].cw_max = cpu_to_le16(mvmvif->queue_params[i].cw_max); - cmd->ac[txf].edca_txop = + cmd->ac[ucode_ac].edca_txop = cpu_to_le16(mvmvif->queue_params[i].txop * 32); - cmd->ac[txf].aifsn = mvmvif->queue_params[i].aifs; - cmd->ac[txf].fifos_mask = BIT(txf); + cmd->ac[ucode_ac].aifsn = mvmvif->queue_params[i].aifs; + cmd->ac[ucode_ac].fifos_mask = BIT(txf); } if (vif->bss_conf.qos) @@ -725,6 +621,8 @@ /* We need the dtim_period to set the MAC as associated */ if (vif->bss_conf.assoc && vif->bss_conf.dtim_period && !force_assoc_off) { + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + u8 ap_sta_id = mvmvif->ap_sta_id; u32 dtim_offs; /* @@ -760,6 +658,29 @@ dtim_offs); ctxt_sta->is_assoc = cpu_to_le32(1); + + /* + * allow multicast data frames only as long as the station is + * authorized, i.e., GTK keys are already installed (if needed) + */ + if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { + struct ieee80211_sta *sta; + + rcu_read_lock(); + + sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); + if (!IS_ERR_OR_NULL(sta)) { + struct iwl_mvm_sta *mvmsta = + iwl_mvm_sta_from_mac80211(sta); + + if (mvmsta->sta_state == + IEEE80211_STA_AUTHORIZED) + cmd.filter_flags |= + cpu_to_le32(MAC_FILTER_ACCEPT_GRP); + } + + rcu_read_unlock(); + } } else { ctxt_sta->is_assoc = cpu_to_le32(0); @@ -770,13 +691,8 @@ } ctxt_sta->bi = cpu_to_le32(vif->bss_conf.beacon_int); - ctxt_sta->bi_reciprocal = - cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int)); ctxt_sta->dtim_interval = cpu_to_le32(vif->bss_conf.beacon_int * vif->bss_conf.dtim_period); - ctxt_sta->dtim_reciprocal = - cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int * - vif->bss_conf.dtim_period)); ctxt_sta->listen_interval = cpu_to_le32(mvm->hw->conf.listen_interval); ctxt_sta->assoc_id = cpu_to_le32(vif->bss_conf.aid); @@ -784,9 +700,16 @@ if (vif->probe_req_reg && vif->bss_conf.assoc && vif->p2p) cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST); - if (vif->bss_conf.assoc && vif->bss_conf.he_support && - !iwlwifi_mod_params.disable_11ax) + if (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax) { cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_11AX); + if (vif->bss_conf.twt_requester && IWL_MVM_USE_TWT) { + ctxt_sta->data_policy |= cpu_to_le32(TWT_SUPPORTED); + if (vif->bss_conf.twt_protected) + ctxt_sta->data_policy |= + cpu_to_le32(PROTECTED_TWT_SUPPORTED); + } + } + return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); } @@ -807,7 +730,8 @@ MAC_FILTER_IN_CONTROL_AND_MGMT | MAC_FILTER_IN_BEACON | MAC_FILTER_IN_PROBE_REQUEST | - MAC_FILTER_IN_CRC32); + MAC_FILTER_IN_CRC32 | + MAC_FILTER_ACCEPT_GRP); ieee80211_hw_set(mvm->hw, RX_INCLUDES_FCS); /* Allocate sniffer station */ @@ -831,12 +755,11 @@ iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action); cmd.filter_flags = cpu_to_le32(MAC_FILTER_IN_BEACON | - MAC_FILTER_IN_PROBE_REQUEST); + MAC_FILTER_IN_PROBE_REQUEST | + MAC_FILTER_ACCEPT_GRP); /* cmd.ibss.beacon_time/cmd.ibss.beacon_tsf are curently ignored */ cmd.ibss.bi = cpu_to_le32(vif->bss_conf.beacon_int); - cmd.ibss.bi_reciprocal = - cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int)); /* TODO: Assumes that the beacon id == mac context id */ cmd.ibss.beacon_template = cpu_to_le32(mvmvif->id); @@ -869,8 +792,6 @@ iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action); - cmd.protection_flags |= cpu_to_le32(MAC_PROT_FLG_TGG_PROTECT); - /* Override the filter flags to accept only probe requests */ cmd.filter_flags = cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST); @@ -890,9 +811,9 @@ return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); } -static void iwl_mvm_mac_ctxt_set_tim(struct iwl_mvm *mvm, - __le32 *tim_index, __le32 *tim_size, - u8 *beacon, u32 frame_size) +void iwl_mvm_mac_ctxt_set_tim(struct iwl_mvm *mvm, + __le32 *tim_index, __le32 *tim_size, + u8 *beacon, u32 frame_size) { u32 tim_idx; struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; @@ -932,15 +853,14 @@ return ie - beacon; } -static u8 iwl_mvm_mac_ctxt_get_lowest_rate(struct ieee80211_tx_info *info, - struct ieee80211_vif *vif) +u8 iwl_mvm_mac_ctxt_get_lowest_rate(struct ieee80211_tx_info *info, + struct ieee80211_vif *vif) { u8 rate; - - if (info->band == NL80211_BAND_5GHZ || vif->p2p) - rate = IWL_FIRST_OFDM_RATE; - else + if (info->band == NL80211_BAND_2GHZ && !vif->p2p) rate = IWL_FIRST_CCK_RATE; + else + rate = IWL_FIRST_OFDM_RATE; return rate; } @@ -968,11 +888,8 @@ tx->tx_flags = cpu_to_le32(tx_flags); if (!fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION)) { - mvm->mgmt_last_antenna_idx = - iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm), - mvm->mgmt_last_antenna_idx); - } + IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION)) + iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); tx->rate_n_flags = cpu_to_le32(BIT(mvm->mgmt_last_antenna_idx) << @@ -986,9 +903,9 @@ } -static int iwl_mvm_mac_ctxt_send_beacon_cmd(struct iwl_mvm *mvm, - struct sk_buff *beacon, - void *data, int len) +int iwl_mvm_mac_ctxt_send_beacon_cmd(struct iwl_mvm *mvm, + struct sk_buff *beacon, + void *data, int len) { struct iwl_host_cmd cmd = { .id = BEACON_TEMPLATE_CMD, @@ -1091,12 +1008,15 @@ sizeof(beacon_cmd)); } -static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct sk_buff *beacon) +int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct sk_buff *beacon) { if (WARN_ON(!beacon)) return -EINVAL; + + if (IWL_MVM_NON_TRANSMITTING_AP) + return 0; if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CSA_AND_TBTT_OFFLOAD)) @@ -1122,6 +1042,13 @@ beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL); if (!beacon) return -ENOMEM; + +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (mvm->beacon_inject_active) { + dev_kfree_skb(beacon); + return -EBUSY; + } +#endif ret = iwl_mvm_mac_ctxt_send_beacon(mvm, vif, beacon); dev_kfree_skb(beacon); @@ -1186,17 +1113,12 @@ } ctxt_ap->bi = cpu_to_le32(vif->bss_conf.beacon_int); - ctxt_ap->bi_reciprocal = - cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int)); ctxt_ap->dtim_interval = cpu_to_le32(vif->bss_conf.beacon_int * vif->bss_conf.dtim_period); - ctxt_ap->dtim_reciprocal = - cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int * - vif->bss_conf.dtim_period)); if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) - ctxt_ap->mcast_qid = cpu_to_le32(vif->cab_queue); + ctxt_ap->mcast_qid = cpu_to_le32(mvmvif->cab_queue); /* * Only set the beacon time when the MAC is being added, when we @@ -1219,9 +1141,7 @@ ieee80211_tu_to_usec(data.beacon_int * rand / 100); } else { - mvmvif->ap_beacon_time = - iwl_read_prph(mvm->trans, - DEVICE_SYSTEM_TIME_REG); + mvmvif->ap_beacon_time = iwl_mvm_get_systime(mvm); } } @@ -1384,8 +1304,8 @@ mvmvif->csa_countdown = true; - if (!ieee80211_csa_is_complete(csa_vif)) { - int c = ieee80211_csa_update_counter(csa_vif); + if (!ieee80211_beacon_cntdwn_is_complete(csa_vif)) { + int c = ieee80211_beacon_update_cntdwn(csa_vif); iwl_mvm_mac_ctxt_beacon_changed(mvm, csa_vif); if (csa_vif->p2p && @@ -1413,7 +1333,7 @@ { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_extended_beacon_notif *beacon = (void *)pkt->data; - struct iwl_mvm_tx_resp *beacon_notify_hdr; + struct iwl_extended_beacon_notif_v5 *beacon_v5 = (void *)pkt->data; struct ieee80211_vif *csa_vif; struct ieee80211_vif *tx_blocked_vif; struct agg_tx_status *agg_status; @@ -1421,18 +1341,29 @@ lockdep_assert_held(&mvm->mutex); - beacon_notify_hdr = &beacon->beacon_notify_hdr; mvm->ap_last_beacon_gp2 = le32_to_cpu(beacon->gp2); - mvm->ibss_manager = beacon->ibss_mgr_status != 0; - agg_status = iwl_mvm_get_agg_status(mvm, beacon_notify_hdr); - status = le16_to_cpu(agg_status->status) & TX_STATUS_MSK; - IWL_DEBUG_RX(mvm, - "beacon status %#x retries:%d tsf:0x%16llX gp2:0x%X rate:%d\n", - status, beacon_notify_hdr->failure_frame, - le64_to_cpu(beacon->tsf), - mvm->ap_last_beacon_gp2, - le32_to_cpu(beacon_notify_hdr->initial_rate)); + if (!iwl_mvm_is_short_beacon_notif_supported(mvm)) { + struct iwl_mvm_tx_resp *beacon_notify_hdr = + &beacon_v5->beacon_notify_hdr; + + mvm->ibss_manager = beacon_v5->ibss_mgr_status != 0; + agg_status = iwl_mvm_get_agg_status(mvm, beacon_notify_hdr); + status = le16_to_cpu(agg_status->status) & TX_STATUS_MSK; + IWL_DEBUG_RX(mvm, + "beacon status %#x retries:%d tsf:0x%016llX gp2:0x%X rate:%d\n", + status, beacon_notify_hdr->failure_frame, + le64_to_cpu(beacon->tsf), + mvm->ap_last_beacon_gp2, + le32_to_cpu(beacon_notify_hdr->initial_rate)); + } else { + mvm->ibss_manager = beacon->ibss_mgr_status != 0; + status = le32_to_cpu(beacon->status) & TX_STATUS_MSK; + IWL_DEBUG_RX(mvm, + "beacon status %#x tsf:0x%016llX gp2:0x%X\n", + status, le64_to_cpu(beacon->tsf), + mvm->ap_last_beacon_gp2); + } csa_vif = rcu_dereference_protected(mvm->csa_vif, lockdep_is_held(&mvm->mutex)); @@ -1465,59 +1396,18 @@ } } -static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_missed_beacons_notif *missed_beacons = _data; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_mvm *mvm = mvmvif->mvm; - struct iwl_fw_dbg_trigger_missed_bcon *bcon_trig; - struct iwl_fw_dbg_trigger_tlv *trigger; - u32 stop_trig_missed_bcon, stop_trig_missed_bcon_since_rx; - u32 rx_missed_bcon, rx_missed_bcon_since_rx; - - if (mvmvif->id != (u16)le32_to_cpu(missed_beacons->mac_id)) - return; - - rx_missed_bcon = le32_to_cpu(missed_beacons->consec_missed_beacons); - rx_missed_bcon_since_rx = - le32_to_cpu(missed_beacons->consec_missed_beacons_since_last_rx); - /* - * TODO: the threshold should be adjusted based on latency conditions, - * and/or in case of a CS flow on one of the other AP vifs. - */ - if (le32_to_cpu(missed_beacons->consec_missed_beacons_since_last_rx) > - IWL_MVM_MISSED_BEACONS_THRESHOLD) - ieee80211_beacon_loss(vif); - - if (!iwl_fw_dbg_trigger_enabled(mvm->fw, - FW_DBG_TRIGGER_MISSED_BEACONS)) - return; - - trigger = iwl_fw_dbg_get_trigger(mvm->fw, - FW_DBG_TRIGGER_MISSED_BEACONS); - bcon_trig = (void *)trigger->data; - stop_trig_missed_bcon = le32_to_cpu(bcon_trig->stop_consec_missed_bcon); - stop_trig_missed_bcon_since_rx = - le32_to_cpu(bcon_trig->stop_consec_missed_bcon_since_rx); - - /* TODO: implement start trigger */ - - if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, - ieee80211_vif_to_wdev(vif), - trigger)) - return; - - if (rx_missed_bcon_since_rx >= stop_trig_missed_bcon_since_rx || - rx_missed_bcon >= stop_trig_missed_bcon) - iwl_fw_dbg_collect_trig(&mvm->fwrt, trigger, NULL); -} - void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_missed_beacons_notif *mb = (void *)pkt->data; + struct iwl_fw_dbg_trigger_missed_bcon *bcon_trig; + struct iwl_fw_dbg_trigger_tlv *trigger; + u32 stop_trig_missed_bcon, stop_trig_missed_bcon_since_rx; + u32 rx_missed_bcon, rx_missed_bcon_since_rx; + struct ieee80211_vif *vif; + u32 id = le32_to_cpu(mb->mac_id); + union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; IWL_DEBUG_INFO(mvm, "missed bcn mac_id=%u, consecutive=%u (%u, %u, %u)\n", @@ -1527,10 +1417,45 @@ le32_to_cpu(mb->num_recvd_beacons), le32_to_cpu(mb->num_expected_beacons)); - ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_beacon_loss_iterator, - mb); + rcu_read_lock(); + + vif = iwl_mvm_rcu_dereference_vif_id(mvm, id, true); + if (!vif) + goto out; + + rx_missed_bcon = le32_to_cpu(mb->consec_missed_beacons); + rx_missed_bcon_since_rx = + le32_to_cpu(mb->consec_missed_beacons_since_last_rx); + /* + * TODO: the threshold should be adjusted based on latency conditions, + * and/or in case of a CS flow on one of the other AP vifs. + */ + if (rx_missed_bcon > IWL_MVM_MISSED_BEACONS_THRESHOLD_LONG) + iwl_mvm_connection_loss(mvm, vif, "missed beacons"); + else if (rx_missed_bcon_since_rx > IWL_MVM_MISSED_BEACONS_THRESHOLD) + ieee80211_beacon_loss(vif); + + iwl_dbg_tlv_time_point(&mvm->fwrt, + IWL_FW_INI_TIME_POINT_MISSED_BEACONS, &tp_data); + + trigger = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), + FW_DBG_TRIGGER_MISSED_BEACONS); + if (!trigger) + goto out; + + bcon_trig = (void *)trigger->data; + stop_trig_missed_bcon = le32_to_cpu(bcon_trig->stop_consec_missed_bcon); + stop_trig_missed_bcon_since_rx = + le32_to_cpu(bcon_trig->stop_consec_missed_bcon_since_rx); + + /* TODO: implement start trigger */ + + if (rx_missed_bcon_since_rx >= stop_trig_missed_bcon_since_rx || + rx_missed_bcon >= stop_trig_missed_bcon) + iwl_fw_dbg_collect_trig(&mvm->fwrt, trigger, NULL); + +out: + rcu_read_unlock(); } void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, @@ -1572,47 +1497,140 @@ ieee80211_rx_napi(mvm->hw, NULL, skb, NULL); } +void iwl_mvm_probe_resp_data_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_probe_resp_data_notif *notif = (void *)pkt->data; + struct iwl_probe_resp_data *old_data, *new_data; + int len = iwl_rx_packet_payload_len(pkt); + u32 id = le32_to_cpu(notif->mac_id); + struct ieee80211_vif *vif; + struct iwl_mvm_vif *mvmvif; + + if (WARN_ON_ONCE(len < sizeof(*notif))) + return; + + IWL_DEBUG_INFO(mvm, "Probe response data notif: noa %d, csa %d\n", + notif->noa_active, notif->csa_counter); + + vif = iwl_mvm_rcu_dereference_vif_id(mvm, id, false); + if (!vif) + return; + + mvmvif = iwl_mvm_vif_from_mac80211(vif); + + new_data = kzalloc(sizeof(*new_data), GFP_KERNEL); + if (!new_data) + return; + + memcpy(&new_data->notif, notif, sizeof(new_data->notif)); + + /* noa_attr contains 1 reserved byte, need to substruct it */ + new_data->noa_len = sizeof(struct ieee80211_vendor_ie) + + sizeof(new_data->notif.noa_attr) - 1; + + /* + * If it's a one time NoA, only one descriptor is needed, + * adjust the length according to len_low. + */ + if (new_data->notif.noa_attr.len_low == + sizeof(struct ieee80211_p2p_noa_desc) + 2) + new_data->noa_len -= sizeof(struct ieee80211_p2p_noa_desc); + + old_data = rcu_dereference_protected(mvmvif->probe_resp_data, + lockdep_is_held(&mvmvif->mvm->mutex)); + rcu_assign_pointer(mvmvif->probe_resp_data, new_data); + + if (old_data) + kfree_rcu(old_data, rcu_head); + + if (notif->csa_counter != IWL_PROBE_RESP_DATA_NO_CSA && + notif->csa_counter >= 1) + ieee80211_beacon_set_cntdwn(vif, notif->csa_counter); +} + void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_channel_switch_noa_notif *notif = (void *)pkt->data; - struct ieee80211_vif *csa_vif; + struct ieee80211_vif *csa_vif, *vif; struct iwl_mvm_vif *mvmvif; int len = iwl_rx_packet_payload_len(pkt); - u32 id_n_color; + u32 id_n_color, csa_id, mac_id; if (WARN_ON_ONCE(len < sizeof(*notif))) return; + id_n_color = le32_to_cpu(notif->id_and_color); + mac_id = id_n_color & FW_CTXT_ID_MSK; + + if (WARN_ON_ONCE(mac_id >= NUM_MAC_INDEX_DRIVER)) + return; + + rcu_read_lock(); + vif = rcu_dereference(mvm->vif_id_to_mac[mac_id]); + mvmvif = iwl_mvm_vif_from_mac80211(vif); + + switch (vif->type) { + case NL80211_IFTYPE_AP: + csa_vif = rcu_dereference(mvm->csa_vif); + if (WARN_ON(!csa_vif || !csa_vif->csa_active || + csa_vif != vif)) + goto out_unlock; + + csa_id = FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color); + if (WARN(csa_id != id_n_color, + "channel switch noa notification on unexpected vif (csa_vif=%d, notif=%d)", + csa_id, id_n_color)) + goto out_unlock; + + IWL_DEBUG_INFO(mvm, "Channel Switch Started Notification\n"); + + schedule_delayed_work(&mvm->cs_tx_unblock_dwork, + msecs_to_jiffies(IWL_MVM_CS_UNBLOCK_TX_TIMEOUT * + csa_vif->bss_conf.beacon_int)); + + ieee80211_csa_finish(csa_vif); + + rcu_read_unlock(); + + RCU_INIT_POINTER(mvm->csa_vif, NULL); + return; + case NL80211_IFTYPE_STATION: + iwl_mvm_csa_client_absent(mvm, vif); + cancel_delayed_work(&mvmvif->csa_work); + ieee80211_chswitch_done(vif, true); + break; + default: + /* should never happen */ + WARN_ON_ONCE(1); + break; + } +out_unlock: + rcu_read_unlock(); +} + +void iwl_mvm_rx_missed_vap_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_missed_vap_notif *mb = (void *)pkt->data; + struct ieee80211_vif *vif; + u32 id = le32_to_cpu(mb->mac_id); + + IWL_DEBUG_INFO(mvm, + "missed_vap notify mac_id=%u, num_beacon_intervals_elapsed=%u, profile_periodicity=%u\n", + le32_to_cpu(mb->mac_id), + mb->num_beacon_intervals_elapsed, + mb->profile_periodicity); + rcu_read_lock(); - csa_vif = rcu_dereference(mvm->csa_vif); - if (WARN_ON(!csa_vif || !csa_vif->csa_active)) - goto out_unlock; + vif = iwl_mvm_rcu_dereference_vif_id(mvm, id, true); + if (vif) + iwl_mvm_connection_loss(mvm, vif, "missed vap beacon"); - id_n_color = le32_to_cpu(notif->id_and_color); - - mvmvif = iwl_mvm_vif_from_mac80211(csa_vif); - if (WARN(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color) != id_n_color, - "channel switch noa notification on unexpected vif (csa_vif=%d, notif=%d)", - FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color), id_n_color)) - goto out_unlock; - - IWL_DEBUG_INFO(mvm, "Channel Switch Started Notification\n"); - - schedule_delayed_work(&mvm->cs_tx_unblock_dwork, - msecs_to_jiffies(IWL_MVM_CS_UNBLOCK_TX_TIMEOUT * - csa_vif->bss_conf.beacon_int)); - - ieee80211_csa_finish(csa_vif); - - rcu_read_unlock(); - - RCU_INIT_POINTER(mvm->csa_vif, NULL); - - return; - -out_unlock: rcu_read_unlock(); } -- Gitblit v1.6.2