2019-06-04 16:11:33 +08:00
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// SPDX-License-Identifier: GPL-2.0-only
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2009-11-19 01:42:47 +08:00
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/*
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* Copyright 2002-2005, Instant802 Networks, Inc.
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* Copyright 2005-2006, Devicescape Software, Inc.
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* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
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2010-02-15 18:53:10 +08:00
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* Copyright 2008-2010 Johannes Berg <johannes@sipsolutions.net>
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2014-09-03 20:24:57 +08:00
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* Copyright 2013-2014 Intel Mobile Communications GmbH
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2009-11-19 01:42:47 +08:00
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*/
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2011-07-15 23:47:34 +08:00
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#include <linux/export.h>
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2012-03-01 22:22:09 +08:00
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#include <linux/etherdevice.h>
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2009-11-19 01:42:47 +08:00
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#include <net/mac80211.h>
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2012-02-20 18:38:41 +08:00
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#include <asm/unaligned.h>
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2009-11-19 01:42:47 +08:00
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#include "ieee80211_i.h"
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#include "rate.h"
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#include "mesh.h"
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#include "led.h"
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2011-09-29 22:04:29 +08:00
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#include "wme.h"
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2009-11-19 01:42:47 +08:00
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void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
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struct sk_buff *skb)
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{
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struct ieee80211_local *local = hw_to_local(hw);
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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int tmp;
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skb->pkt_type = IEEE80211_TX_STATUS_MSG;
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skb_queue_tail(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS ?
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&local->skb_queue : &local->skb_queue_unreliable, skb);
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tmp = skb_queue_len(&local->skb_queue) +
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skb_queue_len(&local->skb_queue_unreliable);
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while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
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(skb = skb_dequeue(&local->skb_queue_unreliable))) {
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2012-10-08 20:39:33 +08:00
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ieee80211_free_txskb(hw, skb);
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2009-11-19 01:42:47 +08:00
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tmp--;
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I802_DEBUG_INC(local->tx_status_drop);
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}
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tasklet_schedule(&local->tasklet);
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}
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EXPORT_SYMBOL(ieee80211_tx_status_irqsafe);
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static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
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struct sta_info *sta,
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struct sk_buff *skb)
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{
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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2011-09-29 22:04:29 +08:00
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struct ieee80211_hdr *hdr = (void *)skb->data;
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int ac;
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2009-11-19 01:42:47 +08:00
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2017-02-22 23:16:07 +08:00
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if (info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER |
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IEEE80211_TX_CTL_AMPDU)) {
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2016-01-06 00:42:13 +08:00
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ieee80211_free_txskb(&local->hw, skb);
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return;
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}
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2010-01-17 08:47:56 +08:00
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/*
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* This skb 'survived' a round-trip through the driver, and
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* hopefully the driver didn't mangle it too badly. However,
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2010-05-18 19:44:54 +08:00
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* we can definitely not rely on the control information
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2010-01-17 08:47:59 +08:00
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* being correct. Clear it so we don't get junk there, and
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* indicate that it needs new processing, but must not be
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* modified/encrypted again.
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2010-01-17 08:47:56 +08:00
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*/
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memset(&info->control, 0, sizeof(info->control));
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2010-01-26 02:07:39 +08:00
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info->control.jiffies = jiffies;
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info->control.vif = &sta->sdata->vif;
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2010-01-17 08:47:59 +08:00
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info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING |
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IEEE80211_TX_INTFL_RETRANSMISSION;
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2010-09-22 03:36:18 +08:00
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info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS;
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2010-01-17 08:47:56 +08:00
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2015-10-16 23:54:47 +08:00
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sta->status_stats.filtered++;
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2009-11-19 01:42:47 +08:00
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2011-09-29 22:04:31 +08:00
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/*
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* Clear more-data bit on filtered frames, it might be set
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* but later frames might time out so it might have to be
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* clear again ... It's all rather unlikely (this frame
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* should time out first, right?) but let's not confuse
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* peers unnecessarily.
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*/
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if (hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_MOREDATA))
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hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_MOREDATA);
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2011-09-29 22:04:29 +08:00
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if (ieee80211_is_data_qos(hdr->frame_control)) {
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2011-09-29 22:04:33 +08:00
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u8 *p = ieee80211_get_qos_ctl(hdr);
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int tid = *p & IEEE80211_QOS_CTL_TID_MASK;
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/*
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* Clear EOSP if set, this could happen e.g.
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* if an absence period (us being a P2P GO)
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* shortens the SP.
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*/
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if (*p & IEEE80211_QOS_CTL_EOSP)
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*p &= ~IEEE80211_QOS_CTL_EOSP;
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2017-01-24 23:42:10 +08:00
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ac = ieee80211_ac_from_tid(tid);
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2011-09-29 22:04:29 +08:00
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} else {
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ac = IEEE80211_AC_BE;
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}
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2009-11-19 01:42:47 +08:00
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/*
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* Clear the TX filter mask for this STA when sending the next
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* packet. If the STA went to power save mode, this will happen
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* when it wakes up for the next time.
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*/
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2011-09-29 22:04:36 +08:00
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set_sta_flag(sta, WLAN_STA_CLEAR_PS_FILT);
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2015-09-24 20:59:49 +08:00
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ieee80211_clear_fast_xmit(sta);
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2009-11-19 01:42:47 +08:00
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/*
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* This code races in the following way:
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*
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* (1) STA sends frame indicating it will go to sleep and does so
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* (2) hardware/firmware adds STA to filter list, passes frame up
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* (3) hardware/firmware processes TX fifo and suppresses a frame
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* (4) we get TX status before having processed the frame and
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* knowing that the STA has gone to sleep.
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*
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* This is actually quite unlikely even when both those events are
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* processed from interrupts coming in quickly after one another or
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* even at the same time because we queue both TX status events and
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* RX frames to be processed by a tasklet and process them in the
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* same order that they were received or TX status last. Hence, there
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* is no race as long as the frame RX is processed before the next TX
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* status, which drivers can ensure, see below.
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*
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* Note that this can only happen if the hardware or firmware can
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* actually add STAs to the filter list, if this is done by the
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* driver in response to set_tim() (which will only reduce the race
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* this whole filtering tries to solve, not completely solve it)
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* this situation cannot happen.
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*
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* To completely solve this race drivers need to make sure that they
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* (a) don't mix the irq-safe/not irq-safe TX status/RX processing
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* functions and
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* (b) always process RX events before TX status events if ordering
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* can be unknown, for example with different interrupt status
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* bits.
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2011-02-01 04:29:13 +08:00
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* (c) if PS mode transitions are manual (i.e. the flag
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* %IEEE80211_HW_AP_LINK_PS is set), always process PS state
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* changes before calling TX status events if ordering can be
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* unknown.
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2009-11-19 01:42:47 +08:00
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*/
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2011-09-29 22:04:36 +08:00
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if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
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2011-09-29 22:04:29 +08:00
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skb_queue_len(&sta->tx_filtered[ac]) < STA_MAX_TX_BUFFER) {
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skb_queue_tail(&sta->tx_filtered[ac], skb);
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2011-09-29 22:04:27 +08:00
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sta_info_recalc_tim(sta);
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2011-09-29 22:04:28 +08:00
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if (!timer_pending(&local->sta_cleanup))
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mod_timer(&local->sta_cleanup,
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round_jiffies(jiffies +
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STA_INFO_CLEANUP_INTERVAL));
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2009-11-19 01:42:47 +08:00
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return;
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}
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2011-09-29 22:04:36 +08:00
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if (!test_sta_flag(sta, WLAN_STA_PS_STA) &&
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2009-11-19 01:42:47 +08:00
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!(info->flags & IEEE80211_TX_INTFL_RETRIED)) {
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/* Software retry the packet once */
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info->flags |= IEEE80211_TX_INTFL_RETRIED;
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ieee80211_add_pending_skb(local, skb);
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return;
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}
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2012-06-22 17:29:50 +08:00
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ps_dbg_ratelimited(sta->sdata,
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"dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
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skb_queue_len(&sta->tx_filtered[ac]),
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!!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
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2012-10-08 20:39:33 +08:00
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ieee80211_free_txskb(&local->hw, skb);
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2009-11-19 01:42:47 +08:00
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}
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2011-08-29 03:11:01 +08:00
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static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)
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{
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struct tid_ampdu_tx *tid_tx;
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tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);
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if (!tid_tx || !tid_tx->bar_pending)
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return;
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tid_tx->bar_pending = false;
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2011-08-20 21:53:55 +08:00
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ieee80211_send_bar(&sta->sdata->vif, addr, tid, tid_tx->failed_bar_ssn);
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2011-08-29 03:11:01 +08:00
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}
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2009-12-01 20:37:02 +08:00
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static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb)
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{
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struct ieee80211_mgmt *mgmt = (void *) skb->data;
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struct ieee80211_local *local = sta->local;
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struct ieee80211_sub_if_data *sdata = sta->sdata;
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2018-02-13 13:34:46 +08:00
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struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
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2009-12-01 20:37:02 +08:00
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2018-02-13 13:34:46 +08:00
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if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
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2016-04-01 01:02:07 +08:00
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sta->status_stats.last_ack = jiffies;
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2018-02-13 13:34:46 +08:00
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if (txinfo->status.is_valid_ack_signal) {
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sta->status_stats.last_ack_signal =
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(s8)txinfo->status.ack_signal;
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sta->status_stats.ack_signal_filled = true;
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2018-04-16 22:48:41 +08:00
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ewma_avg_signal_add(&sta->status_stats.avg_ack_signal,
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-txinfo->status.ack_signal);
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2018-02-13 13:34:46 +08:00
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}
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}
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2013-09-30 03:39:34 +08:00
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2011-08-29 03:11:01 +08:00
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if (ieee80211_is_data_qos(mgmt->frame_control)) {
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struct ieee80211_hdr *hdr = (void *) skb->data;
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u8 *qc = ieee80211_get_qos_ctl(hdr);
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u16 tid = qc[0] & 0xf;
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ieee80211_check_pending_bar(sta, hdr->addr1, tid);
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}
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2009-12-01 20:37:02 +08:00
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if (ieee80211_is_action(mgmt->frame_control) &&
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2017-04-26 15:58:51 +08:00
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!ieee80211_has_protected(mgmt->frame_control) &&
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2009-12-01 20:37:02 +08:00
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mgmt->u.action.category == WLAN_CATEGORY_HT &&
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2012-09-11 20:34:12 +08:00
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mgmt->u.action.u.ht_smps.action == WLAN_HT_ACTION_SMPS &&
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ieee80211_sdata_running(sdata)) {
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2013-10-01 21:45:43 +08:00
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enum ieee80211_smps_mode smps_mode;
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2009-12-01 20:37:02 +08:00
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switch (mgmt->u.action.u.ht_smps.smps_control) {
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case WLAN_HT_SMPS_CONTROL_DYNAMIC:
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2013-10-01 21:45:43 +08:00
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smps_mode = IEEE80211_SMPS_DYNAMIC;
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2009-12-01 20:37:02 +08:00
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break;
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case WLAN_HT_SMPS_CONTROL_STATIC:
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2013-10-01 21:45:43 +08:00
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smps_mode = IEEE80211_SMPS_STATIC;
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2009-12-01 20:37:02 +08:00
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break;
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case WLAN_HT_SMPS_CONTROL_DISABLED:
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default: /* shouldn't happen since we don't send that */
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2013-10-01 21:45:43 +08:00
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smps_mode = IEEE80211_SMPS_OFF;
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2009-12-01 20:37:02 +08:00
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break;
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}
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2013-10-01 21:45:43 +08:00
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if (sdata->vif.type == NL80211_IFTYPE_STATION) {
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/*
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* This update looks racy, but isn't -- if we come
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* here we've definitely got a station that we're
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* talking to, and on a managed interface that can
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* only be the AP. And the only other place updating
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* this variable in managed mode is before association.
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*/
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sdata->smps_mode = smps_mode;
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ieee80211_queue_work(&local->hw, &sdata->recalc_smps);
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} else if (sdata->vif.type == NL80211_IFTYPE_AP ||
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sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
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sta->known_smps_mode = smps_mode;
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}
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2009-12-01 20:37:02 +08:00
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}
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}
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2011-08-29 03:11:01 +08:00
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static void ieee80211_set_bar_pending(struct sta_info *sta, u8 tid, u16 ssn)
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{
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struct tid_ampdu_tx *tid_tx;
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tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);
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if (!tid_tx)
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return;
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tid_tx->failed_bar_ssn = ssn;
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tid_tx->bar_pending = true;
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}
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2019-07-14 23:44:16 +08:00
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static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info,
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struct ieee80211_tx_status *status)
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2011-10-12 00:08:54 +08:00
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{
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int len = sizeof(struct ieee80211_radiotap_header);
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/* IEEE80211_RADIOTAP_RATE rate */
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2019-08-07 15:59:46 +08:00
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if (status && status->rate && !(status->rate->flags &
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(RATE_INFO_FLAGS_MCS |
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2019-08-18 22:35:17 +08:00
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RATE_INFO_FLAGS_DMG |
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RATE_INFO_FLAGS_EDMG |
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2019-08-07 15:59:46 +08:00
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RATE_INFO_FLAGS_VHT_MCS |
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RATE_INFO_FLAGS_HE_MCS)))
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len += 2;
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else if (info->status.rates[0].idx >= 0 &&
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!(info->status.rates[0].flags &
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(IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS)))
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2011-10-12 00:08:54 +08:00
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len += 2;
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/* IEEE80211_RADIOTAP_TX_FLAGS */
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len += 2;
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/* IEEE80211_RADIOTAP_DATA_RETRIES */
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len += 1;
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2013-07-27 17:47:04 +08:00
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/* IEEE80211_RADIOTAP_MCS
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* IEEE80211_RADIOTAP_VHT */
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2019-07-14 23:44:16 +08:00
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if (status && status->rate) {
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|
|
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) {
|
2013-07-27 17:47:04 +08:00
|
|
|
if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS)
|
|
|
|
len += 3;
|
|
|
|
else if (info->status.rates[0].flags & IEEE80211_TX_RC_VHT_MCS)
|
|
|
|
len = ALIGN(len, 2) + 12;
|
|
|
|
}
|
2011-10-12 00:08:55 +08:00
|
|
|
|
2011-10-12 00:08:54 +08:00
|
|
|
return len;
|
|
|
|
}
|
|
|
|
|
2013-07-08 22:55:53 +08:00
|
|
|
static void
|
2013-07-27 17:47:04 +08:00
|
|
|
ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
|
|
|
|
struct ieee80211_supported_band *sband,
|
2013-07-08 22:55:53 +08:00
|
|
|
struct sk_buff *skb, int retry_count,
|
2019-07-14 23:44:16 +08:00
|
|
|
int rtap_len, int shift,
|
|
|
|
struct ieee80211_tx_status *status)
|
2011-10-12 00:08:54 +08:00
|
|
|
{
|
|
|
|
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;
|
2019-07-14 23:44:16 +08:00
|
|
|
u16 legacy_rate = 0;
|
2011-11-19 00:02:16 +08:00
|
|
|
u16 txflags;
|
2011-10-12 00:08:54 +08:00
|
|
|
|
networking: make skb_push & __skb_push return void pointers
It seems like a historic accident that these return unsigned char *,
and in many places that means casts are required, more often than not.
Make these functions return void * and remove all the casts across
the tree, adding a (u8 *) cast only where the unsigned char pointer
was used directly, all done with the following spatch:
@@
expression SKB, LEN;
typedef u8;
identifier fn = { skb_push, __skb_push, skb_push_rcsum };
@@
- *(fn(SKB, LEN))
+ *(u8 *)fn(SKB, LEN)
@@
expression E, SKB, LEN;
identifier fn = { skb_push, __skb_push, skb_push_rcsum };
type T;
@@
- E = ((T *)(fn(SKB, LEN)))
+ E = fn(SKB, LEN)
@@
expression SKB, LEN;
identifier fn = { skb_push, __skb_push, skb_push_rcsum };
@@
- fn(SKB, LEN)[0]
+ *(u8 *)fn(SKB, LEN)
Note that the last part there converts from push(...)[0] to the
more idiomatic *(u8 *)push(...).
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16 20:29:23 +08:00
|
|
|
rthdr = skb_push(skb, rtap_len);
|
2011-10-12 00:08:54 +08:00
|
|
|
|
|
|
|
memset(rthdr, 0, rtap_len);
|
|
|
|
rthdr->it_len = cpu_to_le16(rtap_len);
|
|
|
|
rthdr->it_present =
|
|
|
|
cpu_to_le32((1 << IEEE80211_RADIOTAP_TX_FLAGS) |
|
|
|
|
(1 << IEEE80211_RADIOTAP_DATA_RETRIES));
|
|
|
|
pos = (unsigned char *)(rthdr + 1);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* XXX: Once radiotap gets the bitmap reset thing the vendor
|
|
|
|
* extensions proposal contains, we can actually report
|
|
|
|
* the whole set of tries we did.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* IEEE80211_RADIOTAP_RATE */
|
2013-07-08 22:55:53 +08:00
|
|
|
|
2019-08-07 15:59:47 +08:00
|
|
|
if (status && status->rate) {
|
|
|
|
if (!(status->rate->flags & (RATE_INFO_FLAGS_MCS |
|
2019-08-18 22:35:17 +08:00
|
|
|
RATE_INFO_FLAGS_DMG |
|
|
|
|
RATE_INFO_FLAGS_EDMG |
|
2019-08-07 15:59:47 +08:00
|
|
|
RATE_INFO_FLAGS_VHT_MCS |
|
|
|
|
RATE_INFO_FLAGS_HE_MCS)))
|
|
|
|
legacy_rate = status->rate->legacy;
|
|
|
|
} else if (info->status.rates[0].idx >= 0 &&
|
2019-07-14 23:44:16 +08:00
|
|
|
!(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) {
|
2011-10-12 00:08:54 +08:00
|
|
|
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
|
2019-07-14 23:44:16 +08:00
|
|
|
*pos = DIV_ROUND_UP(legacy_rate, 5 * (1 << shift));
|
2011-10-12 00:08:54 +08:00
|
|
|
/* padding for tx flags */
|
|
|
|
pos += 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* IEEE80211_RADIOTAP_TX_FLAGS */
|
|
|
|
txflags = 0;
|
|
|
|
if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
|
|
|
|
!is_multicast_ether_addr(hdr->addr1))
|
2011-11-19 00:02:16 +08:00
|
|
|
txflags |= IEEE80211_RADIOTAP_F_TX_FAIL;
|
2011-10-12 00:08:54 +08:00
|
|
|
|
2014-04-16 20:32:41 +08:00
|
|
|
if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
|
2011-11-19 00:02:16 +08:00
|
|
|
txflags |= IEEE80211_RADIOTAP_F_TX_CTS;
|
2014-04-16 20:32:41 +08:00
|
|
|
if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
|
2011-11-19 00:02:16 +08:00
|
|
|
txflags |= IEEE80211_RADIOTAP_F_TX_RTS;
|
2011-10-12 00:08:54 +08:00
|
|
|
|
|
|
|
put_unaligned_le16(txflags, pos);
|
|
|
|
pos += 2;
|
|
|
|
|
|
|
|
/* IEEE80211_RADIOTAP_DATA_RETRIES */
|
|
|
|
/* for now report the total retry_count */
|
|
|
|
*pos = retry_count;
|
|
|
|
pos++;
|
2011-10-12 00:08:55 +08:00
|
|
|
|
2019-07-14 23:44:16 +08:00
|
|
|
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:
|
2019-08-07 15:59:48 +08:00
|
|
|
*pos = 4;
|
2019-07-14 23:44:16 +08:00
|
|
|
break;
|
|
|
|
case RATE_INFO_BW_40:
|
|
|
|
*pos = 1;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
*pos = 0;
|
|
|
|
break;
|
|
|
|
}
|
2019-08-07 15:59:49 +08:00
|
|
|
pos++;
|
2019-07-14 23:44:16 +08:00
|
|
|
|
|
|
|
/* 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)
|
2013-07-27 17:47:04 +08:00
|
|
|
return;
|
|
|
|
|
|
|
|
/* IEEE80211_RADIOTAP_MCS
|
|
|
|
* IEEE80211_RADIOTAP_VHT */
|
|
|
|
if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS) {
|
2011-10-12 00:08:55 +08:00
|
|
|
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 (info->status.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
|
|
|
|
pos[1] |= IEEE80211_RADIOTAP_MCS_SGI;
|
|
|
|
if (info->status.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
|
|
|
|
pos[1] |= IEEE80211_RADIOTAP_MCS_BW_40;
|
|
|
|
if (info->status.rates[0].flags & IEEE80211_TX_RC_GREEN_FIELD)
|
|
|
|
pos[1] |= IEEE80211_RADIOTAP_MCS_FMT_GF;
|
|
|
|
pos[2] = info->status.rates[0].idx;
|
|
|
|
pos += 3;
|
2013-07-27 17:47:04 +08:00
|
|
|
} else if (info->status.rates[0].flags & IEEE80211_TX_RC_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);
|
2011-10-12 00:08:55 +08:00
|
|
|
|
2013-07-27 17:47:04 +08:00
|
|
|
/* u16 known - IEEE80211_RADIOTAP_VHT_KNOWN_* */
|
|
|
|
put_unaligned_le16(known, pos);
|
|
|
|
pos += 2;
|
|
|
|
|
|
|
|
/* u8 flags - IEEE80211_RADIOTAP_VHT_FLAG_* */
|
|
|
|
if (info->status.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
|
|
|
|
*pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;
|
|
|
|
pos++;
|
|
|
|
|
|
|
|
/* u8 bandwidth */
|
|
|
|
if (info->status.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
|
|
|
|
*pos = 1;
|
|
|
|
else if (info->status.rates[0].flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
|
|
|
|
*pos = 4;
|
|
|
|
else if (info->status.rates[0].flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
|
|
|
|
*pos = 11;
|
|
|
|
else /* IEEE80211_TX_RC_{20_MHZ_WIDTH,FIXME:DUP_DATA} */
|
|
|
|
*pos = 0;
|
|
|
|
pos++;
|
|
|
|
|
|
|
|
/* u8 mcs_nss[4] */
|
|
|
|
*pos = (ieee80211_rate_get_vht_mcs(&info->status.rates[0]) << 4) |
|
|
|
|
ieee80211_rate_get_vht_nss(&info->status.rates[0]);
|
|
|
|
pos += 4;
|
|
|
|
|
|
|
|
/* u8 coding */
|
|
|
|
pos++;
|
|
|
|
/* u8 group_id */
|
|
|
|
pos++;
|
|
|
|
/* u16 partial_aid */
|
|
|
|
pos += 2;
|
|
|
|
}
|
2011-10-12 00:08:54 +08:00
|
|
|
}
|
|
|
|
|
2014-11-10 00:50:08 +08:00
|
|
|
/*
|
|
|
|
* Handles the tx for TDLS teardown frames.
|
|
|
|
* If the frame wasn't ACKed by the peer - it will be re-sent through the AP
|
|
|
|
*/
|
|
|
|
static void ieee80211_tdls_td_tx_handle(struct ieee80211_local *local,
|
|
|
|
struct ieee80211_sub_if_data *sdata,
|
|
|
|
struct sk_buff *skb, u32 flags)
|
|
|
|
{
|
|
|
|
struct sk_buff *teardown_skb;
|
|
|
|
struct sk_buff *orig_teardown_skb;
|
|
|
|
bool is_teardown = false;
|
|
|
|
|
|
|
|
/* Get the teardown data we need and free the lock */
|
|
|
|
spin_lock(&sdata->u.mgd.teardown_lock);
|
|
|
|
teardown_skb = sdata->u.mgd.teardown_skb;
|
|
|
|
orig_teardown_skb = sdata->u.mgd.orig_teardown_skb;
|
|
|
|
if ((skb == orig_teardown_skb) && teardown_skb) {
|
|
|
|
sdata->u.mgd.teardown_skb = NULL;
|
|
|
|
sdata->u.mgd.orig_teardown_skb = NULL;
|
|
|
|
is_teardown = true;
|
|
|
|
}
|
|
|
|
spin_unlock(&sdata->u.mgd.teardown_lock);
|
|
|
|
|
|
|
|
if (is_teardown) {
|
|
|
|
/* This mechanism relies on being able to get ACKs */
|
2015-06-03 03:39:54 +08:00
|
|
|
WARN_ON(!ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS));
|
2014-11-10 00:50:08 +08:00
|
|
|
|
|
|
|
/* Check if peer has ACKed */
|
|
|
|
if (flags & IEEE80211_TX_STAT_ACK) {
|
|
|
|
dev_kfree_skb_any(teardown_skb);
|
|
|
|
} else {
|
|
|
|
tdls_dbg(sdata,
|
|
|
|
"TDLS Resending teardown through AP\n");
|
|
|
|
|
|
|
|
ieee80211_subif_start_xmit(teardown_skb, skb->dev);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-06-02 04:54:13 +08:00
|
|
|
static struct ieee80211_sub_if_data *
|
|
|
|
ieee80211_sdata_from_skb(struct ieee80211_local *local, struct sk_buff *skb)
|
|
|
|
{
|
|
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
|
|
|
|
if (skb->dev) {
|
|
|
|
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
|
|
|
|
if (!sdata->dev)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (skb->dev == sdata->dev)
|
|
|
|
return sdata;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return rcu_dereference(local->p2p_sdata);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ieee80211_report_ack_skb(struct ieee80211_local *local,
|
|
|
|
struct ieee80211_tx_info *info,
|
|
|
|
bool acked, bool dropped)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb;
|
|
|
|
unsigned long flags;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&local->ack_status_lock, flags);
|
2016-12-23 02:30:22 +08:00
|
|
|
skb = idr_remove(&local->ack_status_frames, info->ack_frame_id);
|
2015-06-02 04:54:13 +08:00
|
|
|
spin_unlock_irqrestore(&local->ack_status_lock, flags);
|
|
|
|
|
|
|
|
if (!skb)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
|
2015-06-02 05:14:59 +08:00
|
|
|
u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie;
|
2015-06-02 04:54:13 +08:00
|
|
|
struct ieee80211_sub_if_data *sdata;
|
2015-06-02 05:14:59 +08:00
|
|
|
struct ieee80211_hdr *hdr = (void *)skb->data;
|
2015-06-02 04:54:13 +08:00
|
|
|
|
|
|
|
rcu_read_lock();
|
|
|
|
sdata = ieee80211_sdata_from_skb(local, skb);
|
2015-06-02 05:14:59 +08:00
|
|
|
if (sdata) {
|
|
|
|
if (ieee80211_is_nullfunc(hdr->frame_control) ||
|
|
|
|
ieee80211_is_qos_nullfunc(hdr->frame_control))
|
|
|
|
cfg80211_probe_status(sdata->dev, hdr->addr1,
|
2018-02-13 13:34:46 +08:00
|
|
|
cookie, acked,
|
|
|
|
info->status.ack_signal,
|
|
|
|
info->status.is_valid_ack_signal,
|
2015-06-02 05:14:59 +08:00
|
|
|
GFP_ATOMIC);
|
|
|
|
else
|
|
|
|
cfg80211_mgmt_tx_status(&sdata->wdev, cookie,
|
|
|
|
skb->data, skb->len,
|
|
|
|
acked, GFP_ATOMIC);
|
|
|
|
}
|
2015-06-02 04:54:13 +08:00
|
|
|
rcu_read_unlock();
|
|
|
|
|
2018-09-05 13:06:13 +08:00
|
|
|
dev_kfree_skb_any(skb);
|
|
|
|
} else if (dropped) {
|
2015-06-02 04:54:13 +08:00
|
|
|
dev_kfree_skb_any(skb);
|
|
|
|
} else {
|
|
|
|
/* consumes skb */
|
|
|
|
skb_complete_wifi_ack(skb, acked);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-10-26 21:53:06 +08:00
|
|
|
static void ieee80211_report_used_skb(struct ieee80211_local *local,
|
|
|
|
struct sk_buff *skb, bool dropped)
|
|
|
|
{
|
|
|
|
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
2019-11-19 14:06:10 +08:00
|
|
|
u16 tx_time_est = ieee80211_info_get_tx_time_est(info);
|
2012-10-26 21:53:06 +08:00
|
|
|
struct ieee80211_hdr *hdr = (void *)skb->data;
|
|
|
|
bool acked = info->flags & IEEE80211_TX_STAT_ACK;
|
|
|
|
|
|
|
|
if (dropped)
|
|
|
|
acked = false;
|
|
|
|
|
2019-11-19 14:06:10 +08:00
|
|
|
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();
|
|
|
|
}
|
|
|
|
|
2015-06-02 05:14:59 +08:00
|
|
|
if (info->flags & IEEE80211_TX_INTFL_MLME_CONN_TX) {
|
2015-06-02 04:54:13 +08:00
|
|
|
struct ieee80211_sub_if_data *sdata;
|
2012-10-26 21:53:06 +08:00
|
|
|
|
|
|
|
rcu_read_lock();
|
|
|
|
|
2015-06-02 04:54:13 +08:00
|
|
|
sdata = ieee80211_sdata_from_skb(local, skb);
|
2012-10-26 21:53:06 +08:00
|
|
|
|
2013-01-29 22:02:27 +08:00
|
|
|
if (!sdata) {
|
2012-10-26 21:53:06 +08:00
|
|
|
skb->dev = NULL;
|
2015-07-27 16:11:11 +08:00
|
|
|
} else {
|
2014-11-10 00:50:08 +08:00
|
|
|
unsigned int hdr_size =
|
|
|
|
ieee80211_hdrlen(hdr->frame_control);
|
|
|
|
|
|
|
|
/* Check to see if packet is a TDLS teardown packet */
|
|
|
|
if (ieee80211_is_data(hdr->frame_control) &&
|
|
|
|
(ieee80211_get_tdls_action(skb, hdr_size) ==
|
|
|
|
WLAN_TDLS_TEARDOWN))
|
|
|
|
ieee80211_tdls_td_tx_handle(local, sdata, skb,
|
|
|
|
info->flags);
|
|
|
|
else
|
|
|
|
ieee80211_mgd_conn_tx_status(sdata,
|
|
|
|
hdr->frame_control,
|
|
|
|
acked);
|
2012-10-26 21:53:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
rcu_read_unlock();
|
2015-06-02 04:54:13 +08:00
|
|
|
} else if (info->ack_frame_id) {
|
|
|
|
ieee80211_report_ack_skb(local, info, acked, dropped);
|
2012-10-26 21:53:06 +08:00
|
|
|
}
|
2016-10-19 21:02:32 +08:00
|
|
|
|
|
|
|
if (!dropped && skb->destructor) {
|
|
|
|
skb->wifi_acked_valid = 1;
|
|
|
|
skb->wifi_acked = acked;
|
|
|
|
}
|
2017-05-28 05:59:27 +08:00
|
|
|
|
|
|
|
ieee80211_led_tx(local);
|
2018-12-15 17:03:06 +08:00
|
|
|
|
|
|
|
if (skb_has_frag_list(skb)) {
|
|
|
|
kfree_skb_list(skb_shinfo(skb)->frag_list);
|
|
|
|
skb_shinfo(skb)->frag_list = NULL;
|
|
|
|
}
|
2012-10-26 21:53:06 +08:00
|
|
|
}
|
|
|
|
|
2010-11-24 15:10:06 +08:00
|
|
|
/*
|
|
|
|
* Use a static threshold for now, best value to be determined
|
|
|
|
* by testing ...
|
|
|
|
* Should it depend on:
|
|
|
|
* - on # of retransmissions
|
|
|
|
* - current throughput (higher value for higher tpt)?
|
|
|
|
*/
|
|
|
|
#define STA_LOST_PKT_THRESHOLD 50
|
2014-09-04 13:28:40 +08:00
|
|
|
#define STA_LOST_TDLS_PKT_THRESHOLD 10
|
|
|
|
#define STA_LOST_TDLS_PKT_TIME (10*HZ) /* 10secs since last ACK */
|
2010-11-24 15:10:06 +08:00
|
|
|
|
2014-11-20 03:08:11 +08:00
|
|
|
static void ieee80211_lost_packet(struct sta_info *sta,
|
|
|
|
struct ieee80211_tx_info *info)
|
2014-05-24 02:05:28 +08:00
|
|
|
{
|
2016-09-14 15:18:32 +08:00
|
|
|
/* If driver relies on its own algorithm for station kickout, skip
|
|
|
|
* mac80211 packet loss mechanism.
|
|
|
|
*/
|
|
|
|
if (ieee80211_hw_check(&sta->local->hw, REPORTS_LOW_ACK))
|
|
|
|
return;
|
|
|
|
|
2014-05-24 02:05:28 +08:00
|
|
|
/* This packet was aggregated but doesn't carry status info */
|
|
|
|
if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
|
|
|
|
!(info->flags & IEEE80211_TX_STAT_AMPDU))
|
|
|
|
return;
|
|
|
|
|
2015-10-16 23:54:47 +08:00
|
|
|
sta->status_stats.lost_packets++;
|
|
|
|
if (!sta->sta.tdls &&
|
|
|
|
sta->status_stats.lost_packets < STA_LOST_PKT_THRESHOLD)
|
2014-09-04 13:28:40 +08:00
|
|
|
return;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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.
|
|
|
|
*/
|
|
|
|
if (sta->sta.tdls &&
|
2015-10-16 23:54:47 +08:00
|
|
|
(sta->status_stats.lost_packets < STA_LOST_TDLS_PKT_THRESHOLD ||
|
2014-09-04 13:28:40 +08:00
|
|
|
time_before(jiffies,
|
2015-10-16 23:54:47 +08:00
|
|
|
sta->status_stats.last_tdls_pkt_time +
|
|
|
|
STA_LOST_TDLS_PKT_TIME)))
|
2014-05-24 02:05:28 +08:00
|
|
|
return;
|
|
|
|
|
|
|
|
cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr,
|
2015-10-16 23:54:47 +08:00
|
|
|
sta->status_stats.lost_packets, GFP_ATOMIC);
|
|
|
|
sta->status_stats.lost_packets = 0;
|
2014-05-24 02:05:28 +08:00
|
|
|
}
|
|
|
|
|
2014-11-20 03:08:12 +08:00
|
|
|
static int ieee80211_tx_get_rates(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_tx_info *info,
|
|
|
|
int *retry_count)
|
2009-11-19 01:42:47 +08:00
|
|
|
{
|
2010-04-22 15:27:48 +08:00
|
|
|
int rates_idx = -1;
|
2014-11-20 03:08:12 +08:00
|
|
|
int count = -1;
|
|
|
|
int i;
|
2009-11-19 01:42:47 +08:00
|
|
|
|
|
|
|
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
|
2012-04-07 02:48:15 +08:00
|
|
|
if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
|
|
|
|
!(info->flags & IEEE80211_TX_STAT_AMPDU)) {
|
|
|
|
/* just the first aggr frame carry status info */
|
|
|
|
info->status.rates[i].idx = -1;
|
|
|
|
info->status.rates[i].count = 0;
|
|
|
|
break;
|
|
|
|
} else if (info->status.rates[i].idx < 0) {
|
2011-03-21 22:07:55 +08:00
|
|
|
break;
|
|
|
|
} else if (i >= hw->max_report_rates) {
|
|
|
|
/* the HW cannot have attempted that rate */
|
2009-11-19 01:42:47 +08:00
|
|
|
info->status.rates[i].idx = -1;
|
|
|
|
info->status.rates[i].count = 0;
|
2011-03-21 22:07:55 +08:00
|
|
|
break;
|
2009-11-19 01:42:47 +08:00
|
|
|
}
|
|
|
|
|
2014-11-20 03:08:12 +08:00
|
|
|
count += info->status.rates[i].count;
|
2009-11-19 01:42:47 +08:00
|
|
|
}
|
2011-03-21 22:07:55 +08:00
|
|
|
rates_idx = i - 1;
|
|
|
|
|
2014-11-20 03:08:12 +08:00
|
|
|
if (count < 0)
|
|
|
|
count = 0;
|
|
|
|
|
|
|
|
*retry_count = count;
|
|
|
|
return rates_idx;
|
|
|
|
}
|
|
|
|
|
2015-09-02 19:23:30 +08:00
|
|
|
void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
|
|
|
|
struct ieee80211_supported_band *sband,
|
2019-07-14 23:44:15 +08:00
|
|
|
int retry_count, int shift, bool send_to_cooked,
|
|
|
|
struct ieee80211_tx_status *status)
|
2014-11-20 03:08:12 +08:00
|
|
|
{
|
|
|
|
struct sk_buff *skb2;
|
2015-09-02 19:23:30 +08:00
|
|
|
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
|
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
struct net_device *prev_dev = NULL;
|
|
|
|
int rtap_len;
|
|
|
|
|
|
|
|
/* send frame to monitor interfaces now */
|
2019-07-14 23:44:16 +08:00
|
|
|
rtap_len = ieee80211_tx_radiotap_len(info, status);
|
2015-09-02 19:23:30 +08:00
|
|
|
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,
|
2019-07-14 23:44:16 +08:00
|
|
|
rtap_len, shift, status);
|
2015-09-02 19:23:30 +08:00
|
|
|
|
|
|
|
/* XXX: is this sufficient for BPF? */
|
2016-03-03 09:16:56 +08:00
|
|
|
skb_reset_mac_header(skb);
|
2015-09-02 19:23:30 +08:00
|
|
|
skb->ip_summed = CHECKSUM_UNNECESSARY;
|
|
|
|
skb->pkt_type = PACKET_OTHERHOST;
|
|
|
|
skb->protocol = htons(ETH_P_802_2);
|
|
|
|
memset(skb->cb, 0, sizeof(skb->cb));
|
|
|
|
|
|
|
|
rcu_read_lock();
|
|
|
|
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
|
|
|
|
if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
|
|
|
|
if (!ieee80211_sdata_running(sdata))
|
|
|
|
continue;
|
|
|
|
|
2016-08-30 04:25:15 +08:00
|
|
|
if ((sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES) &&
|
2015-09-02 19:23:30 +08:00
|
|
|
!send_to_cooked)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (prev_dev) {
|
|
|
|
skb2 = skb_clone(skb, GFP_ATOMIC);
|
|
|
|
if (skb2) {
|
|
|
|
skb2->dev = prev_dev;
|
|
|
|
netif_rx(skb2);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
prev_dev = sdata->dev;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (prev_dev) {
|
|
|
|
skb->dev = prev_dev;
|
|
|
|
netif_rx(skb);
|
|
|
|
skb = NULL;
|
|
|
|
}
|
|
|
|
rcu_read_unlock();
|
|
|
|
dev_kfree_skb(skb);
|
|
|
|
}
|
|
|
|
|
2017-04-26 23:11:37 +08:00
|
|
|
static void __ieee80211_tx_status(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_tx_status *status)
|
2015-09-02 19:23:30 +08:00
|
|
|
{
|
2017-04-26 23:11:37 +08:00
|
|
|
struct sk_buff *skb = status->skb;
|
2014-11-20 03:08:12 +08:00
|
|
|
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
|
|
|
|
struct ieee80211_local *local = hw_to_local(hw);
|
2017-04-26 23:11:37 +08:00
|
|
|
struct ieee80211_tx_info *info = status->info;
|
|
|
|
struct sta_info *sta;
|
2014-11-20 03:08:12 +08:00
|
|
|
__le16 fc;
|
|
|
|
struct ieee80211_supported_band *sband;
|
|
|
|
int retry_count;
|
|
|
|
int rates_idx;
|
|
|
|
bool send_to_cooked;
|
|
|
|
bool acked;
|
|
|
|
struct ieee80211_bar *bar;
|
|
|
|
int shift = 0;
|
2015-01-16 20:27:56 +08:00
|
|
|
int tid = IEEE80211_NUM_TIDS;
|
2019-11-19 14:06:10 +08:00
|
|
|
u16 tx_time_est;
|
2014-11-20 03:08:12 +08:00
|
|
|
|
|
|
|
rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
|
2009-11-19 01:42:47 +08:00
|
|
|
|
|
|
|
sband = local->hw.wiphy->bands[info->band];
|
2010-02-09 17:20:28 +08:00
|
|
|
fc = hdr->frame_control;
|
2009-11-19 01:42:47 +08:00
|
|
|
|
2017-04-26 23:11:37 +08:00
|
|
|
if (status->sta) {
|
|
|
|
sta = container_of(status->sta, struct sta_info, sta);
|
2013-07-08 22:55:53 +08:00
|
|
|
shift = ieee80211_vif_get_shift(&sta->sdata->vif);
|
|
|
|
|
2011-09-29 22:04:33 +08:00
|
|
|
if (info->flags & IEEE80211_TX_STATUS_EOSP)
|
2011-09-29 22:04:36 +08:00
|
|
|
clear_sta_flag(sta, WLAN_STA_SP);
|
2011-09-29 22:04:33 +08:00
|
|
|
|
2010-12-03 04:01:08 +08:00
|
|
|
acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
|
2016-08-02 16:16:57 +08:00
|
|
|
|
|
|
|
/* 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);
|
|
|
|
|
2011-09-29 22:04:36 +08:00
|
|
|
if (!acked && test_sta_flag(sta, WLAN_STA_PS_STA)) {
|
2009-11-19 01:42:47 +08:00
|
|
|
/*
|
|
|
|
* 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;
|
|
|
|
}
|
|
|
|
|
2015-06-03 03:39:54 +08:00
|
|
|
if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL) &&
|
2014-04-02 12:05:09 +08:00
|
|
|
(ieee80211_is_data(hdr->frame_control)) &&
|
2010-04-22 15:27:48 +08:00
|
|
|
(rates_idx != -1))
|
2015-10-16 23:54:47 +08:00
|
|
|
sta->tx_stats.last_rate =
|
|
|
|
info->status.rates[rates_idx];
|
2010-04-22 15:27:48 +08:00
|
|
|
|
2009-11-19 01:42:47 +08:00
|
|
|
if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
|
|
|
|
(ieee80211_is_data_qos(fc))) {
|
2014-11-21 21:26:31 +08:00
|
|
|
u16 ssn;
|
2009-11-19 01:42:47 +08:00
|
|
|
u8 *qc;
|
|
|
|
|
|
|
|
qc = ieee80211_get_qos_ctl(hdr);
|
|
|
|
tid = qc[0] & 0xf;
|
|
|
|
ssn = ((le16_to_cpu(hdr->seq_ctrl) + 0x10)
|
|
|
|
& IEEE80211_SCTL_SEQ);
|
2011-08-20 21:53:55 +08:00
|
|
|
ieee80211_send_bar(&sta->sdata->vif, hdr->addr1,
|
2009-11-19 01:42:47 +08:00
|
|
|
tid, ssn);
|
2014-11-21 21:26:31 +08:00
|
|
|
} else if (ieee80211_is_data_qos(fc)) {
|
|
|
|
u8 *qc = ieee80211_get_qos_ctl(hdr);
|
|
|
|
|
|
|
|
tid = qc[0] & 0xf;
|
2009-11-19 01:42:47 +08:00
|
|
|
}
|
|
|
|
|
2011-08-11 22:17:42 +08:00
|
|
|
if (!acked && ieee80211_is_back_req(fc)) {
|
2014-11-21 21:26:31 +08:00
|
|
|
u16 control;
|
2011-09-15 15:37:46 +08:00
|
|
|
|
2011-08-11 22:17:42 +08:00
|
|
|
/*
|
2011-09-15 15:37:46 +08:00
|
|
|
* BAR failed, store the last SSN and retry sending
|
|
|
|
* the BAR when the next unicast transmission on the
|
|
|
|
* same TID succeeds.
|
2011-08-11 22:17:42 +08:00
|
|
|
*/
|
|
|
|
bar = (struct ieee80211_bar *) skb->data;
|
2011-09-15 15:37:46 +08:00
|
|
|
control = le16_to_cpu(bar->control);
|
|
|
|
if (!(control & IEEE80211_BAR_CTRL_MULTI_TID)) {
|
2011-08-29 03:11:01 +08:00
|
|
|
u16 ssn = le16_to_cpu(bar->start_seq_num);
|
|
|
|
|
2011-09-15 15:37:46 +08:00
|
|
|
tid = (control &
|
2011-08-11 22:17:42 +08:00
|
|
|
IEEE80211_BAR_CTRL_TID_INFO_MASK) >>
|
|
|
|
IEEE80211_BAR_CTRL_TID_INFO_SHIFT;
|
2011-08-29 03:11:01 +08:00
|
|
|
|
2013-01-28 21:42:30 +08:00
|
|
|
ieee80211_set_bar_pending(sta, tid, ssn);
|
2011-08-11 22:17:42 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-11-19 01:42:47 +08:00
|
|
|
if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
|
|
|
|
ieee80211_handle_filtered_frame(local, sta, skb);
|
|
|
|
return;
|
|
|
|
} else {
|
2010-12-03 04:01:08 +08:00
|
|
|
if (!acked)
|
2015-10-16 23:54:47 +08:00
|
|
|
sta->status_stats.retry_failed++;
|
|
|
|
sta->status_stats.retry_count += retry_count;
|
2014-11-21 21:26:31 +08:00
|
|
|
|
|
|
|
if (ieee80211_is_data_present(fc)) {
|
|
|
|
if (!acked)
|
2015-10-16 23:54:47 +08:00
|
|
|
sta->status_stats.msdu_failed[tid]++;
|
|
|
|
|
|
|
|
sta->status_stats.msdu_retries[tid] +=
|
|
|
|
retry_count;
|
2014-11-21 21:26:31 +08:00
|
|
|
}
|
2009-11-19 01:42:47 +08:00
|
|
|
}
|
|
|
|
|
2017-04-26 23:11:37 +08:00
|
|
|
rate_control_tx_status(local, sband, status);
|
2009-11-19 01:42:47 +08:00
|
|
|
if (ieee80211_vif_is_mesh(&sta->sdata->vif))
|
2018-09-06 16:57:48 +08:00
|
|
|
ieee80211s_update_metric(local, sta, status);
|
2009-12-01 20:37:02 +08:00
|
|
|
|
2010-12-03 04:01:08 +08:00
|
|
|
if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && acked)
|
2009-12-01 20:37:02 +08:00
|
|
|
ieee80211_frame_acked(sta, skb);
|
2010-11-24 15:10:06 +08:00
|
|
|
|
2010-12-03 04:01:08 +08:00
|
|
|
if ((sta->sdata->vif.type == NL80211_IFTYPE_STATION) &&
|
2015-06-03 03:39:54 +08:00
|
|
|
ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
|
2014-10-07 15:38:50 +08:00
|
|
|
ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data,
|
|
|
|
acked, info->status.tx_time);
|
2010-12-03 04:01:08 +08:00
|
|
|
|
2018-12-19 09:02:08 +08:00
|
|
|
if (info->status.tx_time &&
|
|
|
|
wiphy_ext_feature_isset(local->hw.wiphy,
|
|
|
|
NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
|
|
|
|
ieee80211_sta_register_airtime(&sta->sta, tid,
|
|
|
|
info->status.tx_time, 0);
|
|
|
|
|
2019-11-19 14:06:10 +08:00
|
|
|
if ((tx_time_est = ieee80211_info_get_tx_time_est(info)) > 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(info, 0);
|
|
|
|
}
|
|
|
|
|
2015-06-03 03:39:54 +08:00
|
|
|
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
|
2010-11-24 15:10:06 +08:00
|
|
|
if (info->flags & IEEE80211_TX_STAT_ACK) {
|
2015-10-16 23:54:47 +08:00
|
|
|
if (sta->status_stats.lost_packets)
|
|
|
|
sta->status_stats.lost_packets = 0;
|
2014-09-04 13:28:40 +08:00
|
|
|
|
|
|
|
/* Track when last TDLS packet was ACKed */
|
|
|
|
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
|
2015-10-16 23:54:47 +08:00
|
|
|
sta->status_stats.last_tdls_pkt_time =
|
|
|
|
jiffies;
|
2014-05-24 02:05:28 +08:00
|
|
|
} else {
|
2014-11-20 03:08:11 +08:00
|
|
|
ieee80211_lost_packet(sta, info);
|
2010-11-24 15:10:06 +08:00
|
|
|
}
|
|
|
|
}
|
2009-11-19 01:42:47 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* SNMP counters
|
|
|
|
* Fragments are passed to low-level drivers as separate skbs, so these
|
|
|
|
* are actually fragments, not frames. Update frame counters only for
|
|
|
|
* the first fragment of the frame. */
|
2014-12-10 23:56:11 +08:00
|
|
|
if ((info->flags & IEEE80211_TX_STAT_ACK) ||
|
|
|
|
(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED)) {
|
2011-12-08 20:11:55 +08:00
|
|
|
if (ieee80211_is_first_frag(hdr->seq_ctrl)) {
|
2015-04-23 02:47:28 +08:00
|
|
|
I802_DEBUG_INC(local->dot11TransmittedFrameCount);
|
2014-12-21 21:25:28 +08:00
|
|
|
if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
|
2015-04-23 02:47:28 +08:00
|
|
|
I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);
|
2009-11-19 01:42:47 +08:00
|
|
|
if (retry_count > 0)
|
2015-04-23 02:47:28 +08:00
|
|
|
I802_DEBUG_INC(local->dot11RetryCount);
|
2009-11-19 01:42:47 +08:00
|
|
|
if (retry_count > 1)
|
2015-04-23 02:47:28 +08:00
|
|
|
I802_DEBUG_INC(local->dot11MultipleRetryCount);
|
2009-11-19 01:42:47 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* This counter shall be incremented for an acknowledged MPDU
|
|
|
|
* with an individual address in the address 1 field or an MPDU
|
|
|
|
* with a multicast address in the address 1 field of type Data
|
|
|
|
* or Management. */
|
|
|
|
if (!is_multicast_ether_addr(hdr->addr1) ||
|
2011-12-08 20:11:55 +08:00
|
|
|
ieee80211_is_data(fc) ||
|
|
|
|
ieee80211_is_mgmt(fc))
|
2015-04-23 02:47:28 +08:00
|
|
|
I802_DEBUG_INC(local->dot11TransmittedFragmentCount);
|
2009-11-19 01:42:47 +08:00
|
|
|
} else {
|
2011-12-08 20:11:55 +08:00
|
|
|
if (ieee80211_is_first_frag(hdr->seq_ctrl))
|
2015-04-23 02:47:28 +08:00
|
|
|
I802_DEBUG_INC(local->dot11FailedCount);
|
2009-11-19 01:42:47 +08:00
|
|
|
}
|
|
|
|
|
2019-11-19 13:35:38 +08:00
|
|
|
if ((ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) &&
|
|
|
|
ieee80211_has_pm(fc) &&
|
2015-06-03 03:39:54 +08:00
|
|
|
ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS) &&
|
2010-02-09 17:20:28 +08:00
|
|
|
!(info->flags & IEEE80211_TX_CTL_INJECTED) &&
|
|
|
|
local->ps_sdata && !(local->scanning)) {
|
|
|
|
if (info->flags & IEEE80211_TX_STAT_ACK) {
|
|
|
|
local->ps_sdata->u.mgd.flags |=
|
|
|
|
IEEE80211_STA_NULLFUNC_ACKED;
|
|
|
|
} else
|
|
|
|
mod_timer(&local->dynamic_ps_timer, jiffies +
|
|
|
|
msecs_to_jiffies(10));
|
|
|
|
}
|
|
|
|
|
2012-10-26 21:53:06 +08:00
|
|
|
ieee80211_report_used_skb(local, skb, false);
|
2011-11-06 21:13:34 +08:00
|
|
|
|
2009-11-19 01:42:47 +08:00
|
|
|
/* this was a transmitted frame, but now we want to reuse it */
|
|
|
|
skb_orphan(skb);
|
|
|
|
|
2010-03-11 23:28:24 +08:00
|
|
|
/* Need to make a copy before skb->cb gets cleared */
|
|
|
|
send_to_cooked = !!(info->flags & IEEE80211_TX_CTL_INJECTED) ||
|
2011-12-08 20:11:55 +08:00
|
|
|
!(ieee80211_is_data(fc));
|
2010-03-11 23:28:24 +08:00
|
|
|
|
2009-11-19 01:42:47 +08:00
|
|
|
/*
|
|
|
|
* This is a bit racy but we can avoid a lot of work
|
|
|
|
* with this test...
|
|
|
|
*/
|
2010-03-11 23:28:24 +08:00
|
|
|
if (!local->monitors && (!send_to_cooked || !local->cooked_mntrs)) {
|
2009-11-19 01:42:47 +08:00
|
|
|
dev_kfree_skb(skb);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2015-09-02 19:23:30 +08:00
|
|
|
/* send to monitor interfaces */
|
2019-07-14 23:44:15 +08:00
|
|
|
ieee80211_tx_monitor(local, skb, sband, retry_count, shift,
|
|
|
|
send_to_cooked, status);
|
2009-11-19 01:42:47 +08:00
|
|
|
}
|
2017-04-26 23:11:37 +08:00
|
|
|
|
|
|
|
void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
|
|
|
|
{
|
|
|
|
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
|
|
|
|
struct ieee80211_local *local = hw_to_local(hw);
|
|
|
|
struct ieee80211_tx_status status = {
|
|
|
|
.skb = skb,
|
|
|
|
.info = IEEE80211_SKB_CB(skb),
|
|
|
|
};
|
|
|
|
struct sta_info *sta;
|
|
|
|
|
|
|
|
rcu_read_lock();
|
|
|
|
|
2019-11-12 21:08:35 +08:00
|
|
|
sta = sta_info_get_by_addrs(local, hdr->addr1, hdr->addr2);
|
|
|
|
if (sta)
|
2017-04-26 23:11:37 +08:00
|
|
|
status.sta = &sta->sta;
|
|
|
|
|
|
|
|
__ieee80211_tx_status(hw, &status);
|
|
|
|
rcu_read_unlock();
|
|
|
|
}
|
2009-11-19 01:42:47 +08:00
|
|
|
EXPORT_SYMBOL(ieee80211_tx_status);
|
2011-04-18 19:22:28 +08:00
|
|
|
|
2017-04-26 23:11:37 +08:00
|
|
|
void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_tx_status *status)
|
2017-04-26 23:11:36 +08:00
|
|
|
{
|
|
|
|
struct ieee80211_local *local = hw_to_local(hw);
|
2017-04-26 23:11:37 +08:00
|
|
|
struct ieee80211_tx_info *info = status->info;
|
|
|
|
struct ieee80211_sta *pubsta = status->sta;
|
2017-04-26 23:11:36 +08:00
|
|
|
struct ieee80211_supported_band *sband;
|
|
|
|
int retry_count;
|
|
|
|
bool acked, noack_success;
|
|
|
|
|
2017-04-26 23:11:37 +08:00
|
|
|
if (status->skb)
|
|
|
|
return __ieee80211_tx_status(hw, status);
|
|
|
|
|
|
|
|
if (!status->sta)
|
|
|
|
return;
|
|
|
|
|
2017-04-26 23:11:36 +08:00
|
|
|
ieee80211_tx_get_rates(hw, info, &retry_count);
|
|
|
|
|
|
|
|
sband = hw->wiphy->bands[info->band];
|
|
|
|
|
|
|
|
acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
|
|
|
|
noack_success = !!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED);
|
|
|
|
|
|
|
|
if (pubsta) {
|
|
|
|
struct sta_info *sta;
|
|
|
|
|
|
|
|
sta = container_of(pubsta, struct sta_info, sta);
|
|
|
|
|
|
|
|
if (!acked)
|
|
|
|
sta->status_stats.retry_failed++;
|
|
|
|
sta->status_stats.retry_count += retry_count;
|
|
|
|
|
|
|
|
if (acked) {
|
|
|
|
sta->status_stats.last_ack = jiffies;
|
|
|
|
|
|
|
|
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;
|
2018-11-14 03:32:13 +08:00
|
|
|
} else if (test_sta_flag(sta, WLAN_STA_PS_STA)) {
|
|
|
|
return;
|
2017-04-26 23:11:36 +08:00
|
|
|
} else {
|
|
|
|
ieee80211_lost_packet(sta, info);
|
|
|
|
}
|
|
|
|
|
2017-04-26 23:11:37 +08:00
|
|
|
rate_control_tx_status(local, sband, status);
|
2018-09-06 16:57:48 +08:00
|
|
|
if (ieee80211_vif_is_mesh(&sta->sdata->vif))
|
|
|
|
ieee80211s_update_metric(local, sta, status);
|
2017-04-26 23:11:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
if (acked || noack_success) {
|
|
|
|
I802_DEBUG_INC(local->dot11TransmittedFrameCount);
|
|
|
|
if (!pubsta)
|
|
|
|
I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);
|
|
|
|
if (retry_count > 0)
|
|
|
|
I802_DEBUG_INC(local->dot11RetryCount);
|
|
|
|
if (retry_count > 1)
|
|
|
|
I802_DEBUG_INC(local->dot11MultipleRetryCount);
|
|
|
|
} else {
|
|
|
|
I802_DEBUG_INC(local->dot11FailedCount);
|
|
|
|
}
|
|
|
|
}
|
2017-04-26 23:11:37 +08:00
|
|
|
EXPORT_SYMBOL(ieee80211_tx_status_ext);
|
2017-04-26 23:11:36 +08:00
|
|
|
|
2018-10-11 20:45:03 +08:00
|
|
|
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);
|
|
|
|
|
2019-11-25 18:04:37 +08:00
|
|
|
void ieee80211_tx_status_8023(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
struct sk_buff *skb)
|
|
|
|
{
|
|
|
|
struct ieee80211_local *local = hw_to_local(hw);
|
|
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
|
|
|
struct sta_info *sta;
|
|
|
|
int retry_count;
|
|
|
|
int rates_idx;
|
|
|
|
bool acked;
|
|
|
|
|
|
|
|
sdata = vif_to_sdata(vif);
|
|
|
|
|
|
|
|
acked = info->flags & IEEE80211_TX_STAT_ACK;
|
|
|
|
rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
|
|
|
|
|
|
|
|
rcu_read_lock();
|
|
|
|
|
|
|
|
if (ieee80211_lookup_ra_sta(sdata, skb, &sta))
|
|
|
|
goto counters_update;
|
|
|
|
|
|
|
|
if (IS_ERR(sta))
|
|
|
|
goto counters_update;
|
|
|
|
|
|
|
|
if (!acked)
|
|
|
|
sta->status_stats.retry_failed++;
|
|
|
|
|
|
|
|
if (rates_idx != -1)
|
|
|
|
sta->tx_stats.last_rate = info->status.rates[rates_idx];
|
|
|
|
|
|
|
|
sta->status_stats.retry_count += retry_count;
|
|
|
|
|
|
|
|
if (ieee80211_hw_check(hw, REPORTS_TX_ACK_STATUS)) {
|
|
|
|
if (acked && vif->type == NL80211_IFTYPE_STATION)
|
|
|
|
ieee80211_sta_reset_conn_monitor(sdata);
|
|
|
|
|
|
|
|
sta->status_stats.last_ack = jiffies;
|
|
|
|
if (info->flags & IEEE80211_TX_STAT_ACK) {
|
|
|
|
if (sta->status_stats.lost_packets)
|
|
|
|
sta->status_stats.lost_packets = 0;
|
|
|
|
|
|
|
|
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
|
|
|
|
sta->status_stats.last_tdls_pkt_time = jiffies;
|
|
|
|
} else {
|
|
|
|
ieee80211_lost_packet(sta, info);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
counters_update:
|
|
|
|
rcu_read_unlock();
|
|
|
|
ieee80211_led_tx(local);
|
|
|
|
|
|
|
|
if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
|
|
|
|
!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED))
|
|
|
|
goto skip_stats_update;
|
|
|
|
|
|
|
|
I802_DEBUG_INC(local->dot11TransmittedFrameCount);
|
|
|
|
if (is_multicast_ether_addr(skb->data))
|
|
|
|
I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);
|
|
|
|
if (retry_count > 0)
|
|
|
|
I802_DEBUG_INC(local->dot11RetryCount);
|
|
|
|
if (retry_count > 1)
|
|
|
|
I802_DEBUG_INC(local->dot11MultipleRetryCount);
|
|
|
|
|
|
|
|
skip_stats_update:
|
|
|
|
ieee80211_report_used_skb(local, skb, false);
|
|
|
|
dev_kfree_skb(skb);
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(ieee80211_tx_status_8023);
|
|
|
|
|
2011-04-18 19:22:28 +08:00
|
|
|
void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets)
|
|
|
|
{
|
|
|
|
struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
|
|
|
|
cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr,
|
|
|
|
num_packets, GFP_ATOMIC);
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(ieee80211_report_low_ack);
|
2011-11-04 18:18:10 +08:00
|
|
|
|
|
|
|
void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb)
|
|
|
|
{
|
2011-11-06 21:13:34 +08:00
|
|
|
struct ieee80211_local *local = hw_to_local(hw);
|
|
|
|
|
2012-10-26 21:53:06 +08:00
|
|
|
ieee80211_report_used_skb(local, skb, true);
|
2011-11-04 18:18:10 +08:00
|
|
|
dev_kfree_skb_any(skb);
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(ieee80211_free_txskb);
|
2012-11-10 10:44:14 +08:00
|
|
|
|
|
|
|
void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
|
|
|
|
struct sk_buff_head *skbs)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb;
|
|
|
|
|
|
|
|
while ((skb = __skb_dequeue(skbs)))
|
|
|
|
ieee80211_free_txskb(hw, skb);
|
|
|
|
}
|