From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Tue, 22 Oct 2024 10:36:11 +0000 Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM --- kernel/net/mac80211/status.c | 492 ++++++++++++++++++++++++++++++++++++++++-------------- 1 files changed, 363 insertions(+), 129 deletions(-) diff --git a/kernel/net/mac80211/status.c b/kernel/net/mac80211/status.c index 32f6558..3485610 100644 --- a/kernel/net/mac80211/status.c +++ b/kernel/net/mac80211/status.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2002-2005, Instant802 Networks, Inc. * Copyright 2005-2006, Devicescape Software, Inc. * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> * Copyright 2008-2010 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/export.h> @@ -52,7 +49,8 @@ int ac; if (info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER | - IEEE80211_TX_CTL_AMPDU)) { + IEEE80211_TX_CTL_AMPDU | + IEEE80211_TX_CTL_HW_80211_ENCAP)) { ieee80211_free_txskb(&local->hw, skb); return; } @@ -69,8 +67,8 @@ info->control.jiffies = jiffies; info->control.vif = &sta->sdata->vif; - info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING | - IEEE80211_TX_INTFL_RETRANSMISSION; + info->control.flags |= IEEE80211_TX_INTCFL_NEED_TXPROCESSING; + info->flags |= IEEE80211_TX_INTFL_RETRANSMISSION; info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS; sta->status_stats.filtered++; @@ -187,18 +185,6 @@ struct ieee80211_mgmt *mgmt = (void *) skb->data; struct ieee80211_local *local = sta->local; struct ieee80211_sub_if_data *sdata = sta->sdata; - struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); - - if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) { - sta->status_stats.last_ack = jiffies; - if (txinfo->status.is_valid_ack_signal) { - sta->status_stats.last_ack_signal = - (s8)txinfo->status.ack_signal; - sta->status_stats.ack_signal_filled = true; - ewma_avg_signal_add(&sta->status_stats.avg_ack_signal, - -txinfo->status.ack_signal); - } - } if (ieee80211_is_data_qos(mgmt->frame_control)) { struct ieee80211_hdr *hdr = (void *) skb->data; @@ -257,16 +243,22 @@ tid_tx->bar_pending = true; } -static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info) +static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info, + struct ieee80211_tx_status *status) { int len = sizeof(struct ieee80211_radiotap_header); /* IEEE80211_RADIOTAP_RATE rate */ - if (info->status.rates[0].idx >= 0 && - !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS | - RATE_INFO_FLAGS_DMG | - RATE_INFO_FLAGS_EDMG | - IEEE80211_TX_RC_VHT_MCS))) + if (status && status->rate && !(status->rate->flags & + (RATE_INFO_FLAGS_MCS | + RATE_INFO_FLAGS_DMG | + RATE_INFO_FLAGS_EDMG | + RATE_INFO_FLAGS_VHT_MCS | + RATE_INFO_FLAGS_HE_MCS))) + len += 2; + else if (info->status.rates[0].idx >= 0 && + !(info->status.rates[0].flags & + (IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS))) len += 2; /* IEEE80211_RADIOTAP_TX_FLAGS */ @@ -277,7 +269,14 @@ /* IEEE80211_RADIOTAP_MCS * IEEE80211_RADIOTAP_VHT */ - if (info->status.rates[0].idx >= 0) { + if (status && status->rate) { + if (status->rate->flags & RATE_INFO_FLAGS_MCS) + len += 3; + else if (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS) + len = ALIGN(len, 2) + 12; + else if (status->rate->flags & RATE_INFO_FLAGS_HE_MCS) + len = ALIGN(len, 2) + 12; + } else if (info->status.rates[0].idx >= 0) { if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS) len += 3; else if (info->status.rates[0].flags & IEEE80211_TX_RC_VHT_MCS) @@ -291,12 +290,14 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local, struct ieee80211_supported_band *sband, struct sk_buff *skb, int retry_count, - int rtap_len, int shift) + int rtap_len, int shift, + struct ieee80211_tx_status *status) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; struct ieee80211_radiotap_header *rthdr; unsigned char *pos; + u16 legacy_rate = 0; u16 txflags; rthdr = skb_push(skb, rtap_len); @@ -315,16 +316,23 @@ */ /* IEEE80211_RADIOTAP_RATE */ - if (info->status.rates[0].idx >= 0 && - !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS | + + if (status && status->rate) { + if (!(status->rate->flags & (RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_DMG | RATE_INFO_FLAGS_EDMG | - IEEE80211_TX_RC_VHT_MCS))) { - u16 rate; + RATE_INFO_FLAGS_VHT_MCS | + RATE_INFO_FLAGS_HE_MCS))) + legacy_rate = status->rate->legacy; + } else if (info->status.rates[0].idx >= 0 && + !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS | + IEEE80211_TX_RC_VHT_MCS))) + legacy_rate = + sband->bitrates[info->status.rates[0].idx].bitrate; + if (legacy_rate) { rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE); - rate = sband->bitrates[info->status.rates[0].idx].bitrate; - *pos = DIV_ROUND_UP(rate, 5 * (1 << shift)); + *pos = DIV_ROUND_UP(legacy_rate, 5 * (1 << shift)); /* padding for tx flags */ pos += 2; } @@ -348,7 +356,140 @@ *pos = retry_count; pos++; - if (info->status.rates[0].idx < 0) + if (status && status->rate && + (status->rate->flags & RATE_INFO_FLAGS_MCS)) { + rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS); + pos[0] = IEEE80211_RADIOTAP_MCS_HAVE_MCS | + IEEE80211_RADIOTAP_MCS_HAVE_GI | + IEEE80211_RADIOTAP_MCS_HAVE_BW; + if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI) + pos[1] |= IEEE80211_RADIOTAP_MCS_SGI; + if (status->rate->bw == RATE_INFO_BW_40) + pos[1] |= IEEE80211_RADIOTAP_MCS_BW_40; + pos[2] = status->rate->mcs; + pos += 3; + } else if (status && status->rate && + (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)) { + u16 known = local->hw.radiotap_vht_details & + (IEEE80211_RADIOTAP_VHT_KNOWN_GI | + IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH); + + rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT); + + /* required alignment from rthdr */ + pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2); + + /* u16 known - IEEE80211_RADIOTAP_VHT_KNOWN_* */ + put_unaligned_le16(known, pos); + pos += 2; + + /* u8 flags - IEEE80211_RADIOTAP_VHT_FLAG_* */ + if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI) + *pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI; + pos++; + + /* u8 bandwidth */ + switch (status->rate->bw) { + case RATE_INFO_BW_160: + *pos = 11; + break; + case RATE_INFO_BW_80: + *pos = 4; + break; + case RATE_INFO_BW_40: + *pos = 1; + break; + default: + *pos = 0; + break; + } + pos++; + + /* u8 mcs_nss[4] */ + *pos = (status->rate->mcs << 4) | status->rate->nss; + pos += 4; + + /* u8 coding */ + pos++; + /* u8 group_id */ + pos++; + /* u16 partial_aid */ + pos += 2; + } else if (status && status->rate && + (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)) { + struct ieee80211_radiotap_he *he; + + rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_HE); + + /* required alignment from rthdr */ + pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2); + he = (struct ieee80211_radiotap_he *)pos; + + he->data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU | + IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN); + + he->data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN); + +#define HE_PREP(f, val) le16_encode_bits(val, IEEE80211_RADIOTAP_HE_##f) + + he->data6 |= HE_PREP(DATA6_NSTS, status->rate->nss); + +#define CHECK_GI(s) \ + BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_GI_##s != \ + (int)NL80211_RATE_INFO_HE_GI_##s) + + CHECK_GI(0_8); + CHECK_GI(1_6); + CHECK_GI(3_2); + + he->data3 |= HE_PREP(DATA3_DATA_MCS, status->rate->mcs); + he->data3 |= HE_PREP(DATA3_DATA_DCM, status->rate->he_dcm); + + he->data5 |= HE_PREP(DATA5_GI, status->rate->he_gi); + + switch (status->rate->bw) { + case RATE_INFO_BW_20: + he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC, + IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ); + break; + case RATE_INFO_BW_40: + he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC, + IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ); + break; + case RATE_INFO_BW_80: + he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC, + IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ); + break; + case RATE_INFO_BW_160: + he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC, + IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ); + break; + case RATE_INFO_BW_HE_RU: +#define CHECK_RU_ALLOC(s) \ + BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_##s##T != \ + NL80211_RATE_INFO_HE_RU_ALLOC_##s + 4) + + CHECK_RU_ALLOC(26); + CHECK_RU_ALLOC(52); + CHECK_RU_ALLOC(106); + CHECK_RU_ALLOC(242); + CHECK_RU_ALLOC(484); + CHECK_RU_ALLOC(996); + CHECK_RU_ALLOC(2x996); + + he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC, + status->rate->he_ru_alloc + 4); + break; + default: + WARN_ONCE(1, "Invalid SU BW %d\n", status->rate->bw); + } + + pos += sizeof(struct ieee80211_radiotap_he); + } + + if ((status && status->rate) || info->status.rates[0].idx < 0) return; /* IEEE80211_RADIOTAP_MCS @@ -487,20 +628,35 @@ u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie; struct ieee80211_sub_if_data *sdata; struct ieee80211_hdr *hdr = (void *)skb->data; + __be16 ethertype = 0; + + if (skb->len >= ETH_HLEN && skb->protocol == cpu_to_be16(ETH_P_802_3)) + skb_copy_bits(skb, 2 * ETH_ALEN, ðertype, ETH_TLEN); rcu_read_lock(); sdata = ieee80211_sdata_from_skb(local, skb); if (sdata) { - if (ieee80211_is_any_nullfunc(hdr->frame_control)) + if (ethertype == sdata->control_port_protocol || + ethertype == cpu_to_be16(ETH_P_PREAUTH)) + cfg80211_control_port_tx_status(&sdata->wdev, + cookie, + skb->data, + skb->len, + acked, + GFP_ATOMIC); + else if (ieee80211_is_any_nullfunc(hdr->frame_control)) cfg80211_probe_status(sdata->dev, hdr->addr1, cookie, acked, info->status.ack_signal, info->status.is_valid_ack_signal, GFP_ATOMIC); - else + else if (ieee80211_is_mgmt(hdr->frame_control)) cfg80211_mgmt_tx_status(&sdata->wdev, cookie, skb->data, skb->len, acked, GFP_ATOMIC); + else + pr_warn("Unknown status report in ack skb\n"); + } rcu_read_unlock(); @@ -517,11 +673,25 @@ struct sk_buff *skb, bool dropped) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + u16 tx_time_est = ieee80211_info_get_tx_time_est(info); struct ieee80211_hdr *hdr = (void *)skb->data; bool acked = info->flags & IEEE80211_TX_STAT_ACK; if (dropped) acked = false; + + if (tx_time_est) { + struct sta_info *sta; + + rcu_read_lock(); + + sta = sta_info_get_by_addrs(local, hdr->addr1, hdr->addr2); + ieee80211_sta_update_pending_airtime(local, sta, + skb_get_queue_mapping(skb), + tx_time_est, + true); + rcu_read_unlock(); + } if (info->flags & IEEE80211_TX_INTFL_MLME_CONN_TX) { struct ieee80211_sub_if_data *sdata; @@ -574,12 +744,16 @@ * - current throughput (higher value for higher tpt)? */ #define STA_LOST_PKT_THRESHOLD 50 +#define STA_LOST_PKT_TIME HZ /* 1 sec since last ACK */ #define STA_LOST_TDLS_PKT_THRESHOLD 10 #define STA_LOST_TDLS_PKT_TIME (10*HZ) /* 10secs since last ACK */ static void ieee80211_lost_packet(struct sta_info *sta, struct ieee80211_tx_info *info) { + unsigned long pkt_time = STA_LOST_PKT_TIME; + unsigned int pkt_thr = STA_LOST_PKT_THRESHOLD; + /* If driver relies on its own algorithm for station kickout, skip * mac80211 packet loss mechanism. */ @@ -592,21 +766,20 @@ return; sta->status_stats.lost_packets++; - if (!sta->sta.tdls && - sta->status_stats.lost_packets < STA_LOST_PKT_THRESHOLD) - return; + if (sta->sta.tdls) { + pkt_time = STA_LOST_TDLS_PKT_TIME; + pkt_thr = STA_LOST_PKT_THRESHOLD; + } /* * If we're in TDLS mode, make sure that all STA_LOST_TDLS_PKT_THRESHOLD * of the last packets were lost, and that no ACK was received in the * last STA_LOST_TDLS_PKT_TIME ms, before triggering the CQM packet-loss * mechanism. + * For non-TDLS, use STA_LOST_PKT_THRESHOLD and STA_LOST_PKT_TIME */ - if (sta->sta.tdls && - (sta->status_stats.lost_packets < STA_LOST_TDLS_PKT_THRESHOLD || - time_before(jiffies, - sta->status_stats.last_tdls_pkt_time + - STA_LOST_TDLS_PKT_TIME))) + if (sta->status_stats.lost_packets < pkt_thr || + !time_after(jiffies, sta->status_stats.last_pkt_time + pkt_time)) return; cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr, @@ -618,7 +791,6 @@ struct ieee80211_tx_info *info, int *retry_count) { - int rates_idx = -1; int count = -1; int i; @@ -640,18 +812,18 @@ count += info->status.rates[i].count; } - rates_idx = i - 1; if (count < 0) count = 0; *retry_count = count; - return rates_idx; + return i - 1; } void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, struct ieee80211_supported_band *sband, - int retry_count, int shift, bool send_to_cooked) + int retry_count, int shift, bool send_to_cooked, + struct ieee80211_tx_status *status) { struct sk_buff *skb2; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); @@ -660,14 +832,14 @@ int rtap_len; /* send frame to monitor interfaces now */ - rtap_len = ieee80211_tx_radiotap_len(info); + rtap_len = ieee80211_tx_radiotap_len(info, status); if (WARN_ON_ONCE(skb_headroom(skb) < rtap_len)) { pr_err("ieee80211_tx_status: headroom too small\n"); dev_kfree_skb(skb); return; } ieee80211_add_tx_radiotap_header(local, sband, skb, retry_count, - rtap_len, shift); + rtap_len, shift, status); /* XXX: is this sufficient for BPF? */ skb_reset_mac_header(skb); @@ -707,7 +879,8 @@ } static void __ieee80211_tx_status(struct ieee80211_hw *hw, - struct ieee80211_tx_status *status) + struct ieee80211_tx_status *status, + int rates_idx, int retry_count) { struct sk_buff *skb = status->skb; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; @@ -716,15 +889,12 @@ struct sta_info *sta; __le16 fc; struct ieee80211_supported_band *sband; - int retry_count; - int rates_idx; bool send_to_cooked; bool acked; + bool noack_success; struct ieee80211_bar *bar; int shift = 0; int tid = IEEE80211_NUM_TIDS; - - rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count); sband = local->hw.wiphy->bands[info->band]; fc = hdr->frame_control; @@ -737,21 +907,14 @@ clear_sta_flag(sta, WLAN_STA_SP); acked = !!(info->flags & IEEE80211_TX_STAT_ACK); + noack_success = !!(info->flags & + IEEE80211_TX_STAT_NOACK_TRANSMITTED); /* mesh Peer Service Period support */ if (ieee80211_vif_is_mesh(&sta->sdata->vif) && ieee80211_is_data_qos(fc)) ieee80211_mpsp_trigger_process( ieee80211_get_qos_ctl(hdr), sta, true, acked); - - if (!acked && test_sta_flag(sta, WLAN_STA_PS_STA)) { - /* - * The STA is in power save mode, so assume - * that this TX packet failed because of that. - */ - ieee80211_handle_filtered_frame(local, sta, skb); - return; - } if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL) && (ieee80211_is_data(hdr->frame_control)) && @@ -800,45 +963,17 @@ if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) { ieee80211_handle_filtered_frame(local, sta, skb); return; - } else { - if (!acked) - sta->status_stats.retry_failed++; - sta->status_stats.retry_count += retry_count; + } else if (ieee80211_is_data_present(fc)) { + if (!acked && !noack_success) + sta->status_stats.msdu_failed[tid]++; - if (ieee80211_is_data_present(fc)) { - if (!acked) - sta->status_stats.msdu_failed[tid]++; - - sta->status_stats.msdu_retries[tid] += - retry_count; - } + sta->status_stats.msdu_retries[tid] += + retry_count; } - - rate_control_tx_status(local, sband, status); - if (ieee80211_vif_is_mesh(&sta->sdata->vif)) - ieee80211s_update_metric(local, sta, status); if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && acked) ieee80211_frame_acked(sta, skb); - if ((sta->sdata->vif.type == NL80211_IFTYPE_STATION) && - ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) - ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data, - acked, info->status.tx_time); - - if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) { - if (info->flags & IEEE80211_TX_STAT_ACK) { - if (sta->status_stats.lost_packets) - sta->status_stats.lost_packets = 0; - - /* Track when last TDLS packet was ACKed */ - if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH)) - sta->status_stats.last_tdls_pkt_time = - jiffies; - } else { - ieee80211_lost_packet(sta, info); - } - } } /* SNMP counters @@ -897,12 +1032,16 @@ * with this test... */ if (!local->monitors && (!send_to_cooked || !local->cooked_mntrs)) { - dev_kfree_skb(skb); + if (status->free_list) + list_add_tail(&skb->list, status->free_list); + else + dev_kfree_skb(skb); return; } /* send to monitor interfaces */ - ieee80211_tx_monitor(local, skb, sband, retry_count, shift, send_to_cooked); + ieee80211_tx_monitor(local, skb, sband, retry_count, shift, + send_to_cooked, status); } void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) @@ -913,21 +1052,15 @@ .skb = skb, .info = IEEE80211_SKB_CB(skb), }; - struct rhlist_head *tmp; struct sta_info *sta; rcu_read_lock(); - for_each_sta_info(local, hdr->addr1, sta, tmp) { - /* skip wrong virtual interface */ - if (!ether_addr_equal(hdr->addr2, sta->sdata->vif.addr)) - continue; - + sta = sta_info_get_by_addrs(local, hdr->addr1, hdr->addr2); + if (sta) status.sta = &sta->sta; - break; - } - __ieee80211_tx_status(hw, &status); + ieee80211_tx_status_ext(hw, &status); rcu_read_unlock(); } EXPORT_SYMBOL(ieee80211_tx_status); @@ -938,17 +1071,36 @@ struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_tx_info *info = status->info; struct ieee80211_sta *pubsta = status->sta; + struct sk_buff *skb = status->skb; struct ieee80211_supported_band *sband; - int retry_count; + struct sta_info *sta = NULL; + int rates_idx, retry_count; bool acked, noack_success; + u16 tx_time_est; - if (status->skb) - return __ieee80211_tx_status(hw, status); + if (pubsta) { + sta = container_of(pubsta, struct sta_info, sta); - if (!status->sta) - return; + if (status->rate) + sta->tx_stats.last_rate_info = *status->rate; + } - ieee80211_tx_get_rates(hw, info, &retry_count); + if (skb && (tx_time_est = + ieee80211_info_get_tx_time_est(IEEE80211_SKB_CB(skb))) > 0) { + /* Do this here to avoid the expensive lookup of the sta + * in ieee80211_report_used_skb(). + */ + ieee80211_sta_update_pending_airtime(local, sta, + skb_get_queue_mapping(skb), + tx_time_est, + true); + ieee80211_info_set_tx_time_est(IEEE80211_SKB_CB(skb), 0); + } + + if (!status->info) + goto free; + + rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count); sband = hw->wiphy->bands[info->band]; @@ -956,33 +1108,62 @@ noack_success = !!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED); if (pubsta) { - struct sta_info *sta; + struct ieee80211_sub_if_data *sdata = sta->sdata; - sta = container_of(pubsta, struct sta_info, sta); - - if (!acked) + if (!acked && !noack_success) sta->status_stats.retry_failed++; sta->status_stats.retry_count += retry_count; - if (acked) { - sta->status_stats.last_ack = jiffies; + if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) { + if (sdata->vif.type == NL80211_IFTYPE_STATION && + skb && !(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) + ieee80211_sta_tx_notify(sdata, (void *) skb->data, + acked, info->status.tx_time); - if (sta->status_stats.lost_packets) - sta->status_stats.lost_packets = 0; + if (acked) { + sta->status_stats.last_ack = jiffies; - /* Track when last TDLS packet was ACKed */ - if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH)) - sta->status_stats.last_tdls_pkt_time = jiffies; - } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) { - return; - } else { - ieee80211_lost_packet(sta, info); + if (sta->status_stats.lost_packets) + sta->status_stats.lost_packets = 0; + + /* Track when last packet was ACKed */ + sta->status_stats.last_pkt_time = jiffies; + + /* Reset connection monitor */ + if (sdata->vif.type == NL80211_IFTYPE_STATION && + unlikely(sdata->u.mgd.probe_send_count > 0)) + sdata->u.mgd.probe_send_count = 0; + + if (info->status.is_valid_ack_signal) { + sta->status_stats.last_ack_signal = + (s8)info->status.ack_signal; + sta->status_stats.ack_signal_filled = true; + ewma_avg_signal_add(&sta->status_stats.avg_ack_signal, + -info->status.ack_signal); + } + } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) { + /* + * The STA is in power save mode, so assume + * that this TX packet failed because of that. + */ + if (skb) + ieee80211_handle_filtered_frame(local, sta, skb); + return; + } else if (noack_success) { + /* nothing to do here, do not account as lost */ + } else { + ieee80211_lost_packet(sta, info); + } } rate_control_tx_status(local, sband, status); if (ieee80211_vif_is_mesh(&sta->sdata->vif)) ieee80211s_update_metric(local, sta, status); } + + if (skb && !(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) + return __ieee80211_tx_status(hw, status, rates_idx, + retry_count); if (acked || noack_success) { I802_DEBUG_INC(local->dot11TransmittedFrameCount); @@ -995,9 +1176,62 @@ } else { I802_DEBUG_INC(local->dot11FailedCount); } + +free: + if (!skb) + return; + + ieee80211_report_used_skb(local, skb, false); + if (status->free_list) + list_add_tail(&skb->list, status->free_list); + else + dev_kfree_skb(skb); } EXPORT_SYMBOL(ieee80211_tx_status_ext); +void ieee80211_tx_rate_update(struct ieee80211_hw *hw, + struct ieee80211_sta *pubsta, + struct ieee80211_tx_info *info) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct ieee80211_supported_band *sband = hw->wiphy->bands[info->band]; + struct sta_info *sta = container_of(pubsta, struct sta_info, sta); + struct ieee80211_tx_status status = { + .info = info, + .sta = pubsta, + }; + + rate_control_tx_status(local, sband, &status); + + if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) + sta->tx_stats.last_rate = info->status.rates[0]; +} +EXPORT_SYMBOL(ieee80211_tx_rate_update); + +void ieee80211_tx_status_8023(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct sk_buff *skb) +{ + struct ieee80211_sub_if_data *sdata; + struct ieee80211_tx_status status = { + .skb = skb, + .info = IEEE80211_SKB_CB(skb), + }; + struct sta_info *sta; + + sdata = vif_to_sdata(vif); + + rcu_read_lock(); + + if (!ieee80211_lookup_ra_sta(sdata, skb, &sta) && !IS_ERR(sta)) + status.sta = &sta->sta; + + ieee80211_tx_status_ext(hw, &status); + + rcu_read_unlock(); +} +EXPORT_SYMBOL(ieee80211_tx_status_8023); + void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets) { struct sta_info *sta = container_of(pubsta, struct sta_info, sta); 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