diff options
Diffstat (limited to 'mvm/rx.c')
| -rw-r--r-- | mvm/rx.c | 47 |
1 files changed, 38 insertions, 9 deletions
@@ -4,7 +4,7 @@ * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> #include "iwl-trans.h" @@ -560,7 +560,8 @@ static void iwl_mvm_update_link_sig(struct ieee80211_vif *vif, int sig, struct iwl_mvm_vif_link_info *link_info, struct ieee80211_bss_conf *bss_conf) { - struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(vif)->mvm; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; int thold = bss_conf->cqm_rssi_thold; int hyst = bss_conf->cqm_rssi_hyst; int last_event; @@ -625,6 +626,13 @@ static void iwl_mvm_update_link_sig(struct ieee80211_vif *vif, int sig, if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif)) return; + /* We're not in EMLSR and our signal is bad, try to switch link maybe */ + if (sig < IWL_MVM_LOW_RSSI_MLO_SCAN_THRESH && !mvmvif->esr_active) { + iwl_mvm_int_mlo_scan(mvm, vif); + return; + } + + /* We are in EMLSR, check if we need to exit */ exit_esr_thresh = iwl_mvm_get_esr_rssi_thresh(mvm, &bss_conf->chanreq.oper, @@ -738,8 +746,8 @@ static void iwl_mvm_stats_energy_iter(void *_data, u8 *energy = _data; u32 sta_id = mvmsta->deflink.sta_id; - if (WARN_ONCE(sta_id >= IWL_MVM_STATION_COUNT_MAX, "sta_id %d >= %d", - sta_id, IWL_MVM_STATION_COUNT_MAX)) + if (WARN_ONCE(sta_id >= IWL_STATION_COUNT_MAX, "sta_id %d >= %d", + sta_id, IWL_STATION_COUNT_MAX)) return; if (energy[sta_id]) @@ -781,6 +789,8 @@ static void iwl_mvm_handle_per_phy_stats(struct iwl_mvm *mvm, continue; mvm->phy_ctxts[i].channel_load_by_us = le32_to_cpu(per_phy[i].channel_load_by_us); + mvm->phy_ctxts[i].channel_load_not_by_us = + le32_to_cpu(per_phy[i].channel_load_not_by_us); } } @@ -954,6 +964,9 @@ iwl_mvm_stat_iterator_all_links(struct iwl_mvm *mvm, #define SEC_LINK_MIN_TX 3000 #define SEC_LINK_MIN_RX 400 +/* Accept a ~20% short window to avoid issues due to jitter */ +#define IWL_MVM_TPT_MIN_COUNT_WINDOW (IWL_MVM_TPT_COUNT_WINDOW_SEC * HZ * 4 / 5) + static void iwl_mvm_update_esr_mode_tpt(struct iwl_mvm *mvm) { struct ieee80211_vif *bss_vif = iwl_mvm_get_bss_vif(mvm); @@ -963,6 +976,7 @@ static void iwl_mvm_update_esr_mode_tpt(struct iwl_mvm *mvm) unsigned long sec_link_tx = 0, sec_link_rx = 0; u8 sec_link_tx_perc, sec_link_rx_perc; u8 sec_link; + bool skip = false; lockdep_assert_held(&mvm->mutex); @@ -991,7 +1005,7 @@ static void iwl_mvm_update_esr_mode_tpt(struct iwl_mvm *mvm) spin_lock_bh(&mvmsta->mpdu_counters[q].lock); /* The link IDs that doesn't exist will contain 0 */ - for (int link = 0; link < IWL_MVM_FW_MAX_LINK_ID; link++) { + for (int link = 0; link < IWL_FW_MAX_LINK_ID; link++) { total_tx += mvmsta->mpdu_counters[q].per_link[link].tx; total_rx += mvmsta->mpdu_counters[q].per_link[link].rx; } @@ -1002,15 +1016,27 @@ static void iwl_mvm_update_esr_mode_tpt(struct iwl_mvm *mvm) /* * In EMLSR we have statistics every 5 seconds, so we can reset * the counters upon every statistics notification. + * The FW sends the notification regularly, but it will be + * misaligned at the start. Skipping the measurement if it is + * short will synchronize us. */ + if (jiffies - mvmsta->mpdu_counters[q].window_start < + IWL_MVM_TPT_MIN_COUNT_WINDOW) + skip = true; + mvmsta->mpdu_counters[q].window_start = jiffies; memset(mvmsta->mpdu_counters[q].per_link, 0, sizeof(mvmsta->mpdu_counters[q].per_link)); spin_unlock_bh(&mvmsta->mpdu_counters[q].lock); } - IWL_DEBUG_STATS(mvm, "total Tx MPDUs: %ld. total Rx MPDUs: %ld\n", - total_tx, total_rx); + if (skip) { + IWL_DEBUG_INFO(mvm, "MPDU statistics window was short\n"); + return; + } + + IWL_DEBUG_INFO(mvm, "total Tx MPDUs: %ld. total Rx MPDUs: %ld\n", + total_tx, total_rx); /* If we don't have enough MPDUs - exit EMLSR */ if (total_tx < IWL_MVM_ENTER_ESR_TPT_THRESH && @@ -1020,6 +1046,9 @@ static void iwl_mvm_update_esr_mode_tpt(struct iwl_mvm *mvm) return; } + IWL_DEBUG_INFO(mvm, "Secondary Link %d: Tx MPDUs: %ld. Rx MPDUs: %ld\n", + sec_link, sec_link_tx, sec_link_rx); + /* Calculate the percentage of the secondary link TX/RX */ sec_link_tx_perc = total_tx ? sec_link_tx * 100 / total_tx : 0; sec_link_rx_perc = total_rx ? sec_link_rx * 100 / total_rx : 0; @@ -1039,7 +1068,7 @@ static void iwl_mvm_update_esr_mode_tpt(struct iwl_mvm *mvm) void iwl_mvm_handle_rx_system_oper_stats(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { - u8 average_energy[IWL_MVM_STATION_COUNT_MAX]; + u8 average_energy[IWL_STATION_COUNT_MAX]; struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_system_statistics_notif_oper *stats; int i; @@ -1098,7 +1127,7 @@ static void iwl_mvm_handle_rx_statistics_tlv(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt) { - u8 average_energy[IWL_MVM_STATION_COUNT_MAX]; + u8 average_energy[IWL_STATION_COUNT_MAX]; __le32 air_time[MAC_INDEX_AUX]; __le32 rx_bytes[MAC_INDEX_AUX]; __le32 flags = 0; |