^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright 2002-2005, Instant802 Networks, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright 2005-2006, Devicescape Software, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright 2008-2010 Johannes Berg <johannes@sipsolutions.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright 2013-2014 Intel Mobile Communications GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/etherdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <net/mac80211.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/unaligned.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "ieee80211_i.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "rate.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "mesh.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "led.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "wme.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct ieee80211_local *local = hw_to_local(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) int tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) skb->pkt_type = IEEE80211_TX_STATUS_MSG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) skb_queue_tail(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) &local->skb_queue : &local->skb_queue_unreliable, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) tmp = skb_queue_len(&local->skb_queue) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) skb_queue_len(&local->skb_queue_unreliable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) (skb = skb_dequeue(&local->skb_queue_unreliable))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) ieee80211_free_txskb(hw, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) tmp--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) I802_DEBUG_INC(local->tx_status_drop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) tasklet_schedule(&local->tasklet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) EXPORT_SYMBOL(ieee80211_tx_status_irqsafe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct sta_info *sta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct ieee80211_hdr *hdr = (void *)skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) IEEE80211_TX_CTL_AMPDU |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) IEEE80211_TX_CTL_HW_80211_ENCAP)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) ieee80211_free_txskb(&local->hw, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * This skb 'survived' a round-trip through the driver, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * hopefully the driver didn't mangle it too badly. However,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * we can definitely not rely on the control information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * being correct. Clear it so we don't get junk there, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * indicate that it needs new processing, but must not be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) * modified/encrypted again.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) memset(&info->control, 0, sizeof(info->control));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) info->control.jiffies = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) info->control.vif = &sta->sdata->vif;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) info->control.flags |= IEEE80211_TX_INTCFL_NEED_TXPROCESSING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) info->flags |= IEEE80211_TX_INTFL_RETRANSMISSION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) sta->status_stats.filtered++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * Clear more-data bit on filtered frames, it might be set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * but later frames might time out so it might have to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * clear again ... It's all rather unlikely (this frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * should time out first, right?) but let's not confuse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * peers unnecessarily.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) if (hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_MOREDATA))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_MOREDATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) if (ieee80211_is_data_qos(hdr->frame_control)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) u8 *p = ieee80211_get_qos_ctl(hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int tid = *p & IEEE80211_QOS_CTL_TID_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * Clear EOSP if set, this could happen e.g.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * if an absence period (us being a P2P GO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * shortens the SP.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) if (*p & IEEE80211_QOS_CTL_EOSP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) *p &= ~IEEE80211_QOS_CTL_EOSP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) ac = ieee80211_ac_from_tid(tid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) ac = IEEE80211_AC_BE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * Clear the TX filter mask for this STA when sending the next
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * packet. If the STA went to power save mode, this will happen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * when it wakes up for the next time.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) set_sta_flag(sta, WLAN_STA_CLEAR_PS_FILT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ieee80211_clear_fast_xmit(sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * This code races in the following way:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * (1) STA sends frame indicating it will go to sleep and does so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * (2) hardware/firmware adds STA to filter list, passes frame up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) * (3) hardware/firmware processes TX fifo and suppresses a frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) * (4) we get TX status before having processed the frame and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) * knowing that the STA has gone to sleep.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) * This is actually quite unlikely even when both those events are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * processed from interrupts coming in quickly after one another or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * even at the same time because we queue both TX status events and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) * RX frames to be processed by a tasklet and process them in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) * same order that they were received or TX status last. Hence, there
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * is no race as long as the frame RX is processed before the next TX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) * status, which drivers can ensure, see below.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) * Note that this can only happen if the hardware or firmware can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) * actually add STAs to the filter list, if this is done by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) * driver in response to set_tim() (which will only reduce the race
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) * this whole filtering tries to solve, not completely solve it)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) * this situation cannot happen.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * To completely solve this race drivers need to make sure that they
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * (a) don't mix the irq-safe/not irq-safe TX status/RX processing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * functions and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * (b) always process RX events before TX status events if ordering
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) * can be unknown, for example with different interrupt status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * bits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * (c) if PS mode transitions are manual (i.e. the flag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * %IEEE80211_HW_AP_LINK_PS is set), always process PS state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) * changes before calling TX status events if ordering can be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) * unknown.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) skb_queue_len(&sta->tx_filtered[ac]) < STA_MAX_TX_BUFFER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) skb_queue_tail(&sta->tx_filtered[ac], skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) sta_info_recalc_tim(sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (!timer_pending(&local->sta_cleanup))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) mod_timer(&local->sta_cleanup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) round_jiffies(jiffies +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) STA_INFO_CLEANUP_INTERVAL));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if (!test_sta_flag(sta, WLAN_STA_PS_STA) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) !(info->flags & IEEE80211_TX_INTFL_RETRIED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) /* Software retry the packet once */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) info->flags |= IEEE80211_TX_INTFL_RETRIED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) ieee80211_add_pending_skb(local, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) ps_dbg_ratelimited(sta->sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) "dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) skb_queue_len(&sta->tx_filtered[ac]),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) !!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) ieee80211_free_txskb(&local->hw, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct tid_ampdu_tx *tid_tx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (!tid_tx || !tid_tx->bar_pending)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) tid_tx->bar_pending = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) ieee80211_send_bar(&sta->sdata->vif, addr, tid, tid_tx->failed_bar_ssn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) struct ieee80211_mgmt *mgmt = (void *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct ieee80211_local *local = sta->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) struct ieee80211_sub_if_data *sdata = sta->sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (ieee80211_is_data_qos(mgmt->frame_control)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct ieee80211_hdr *hdr = (void *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) u8 *qc = ieee80211_get_qos_ctl(hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) u16 tid = qc[0] & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) ieee80211_check_pending_bar(sta, hdr->addr1, tid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) if (ieee80211_is_action(mgmt->frame_control) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) !ieee80211_has_protected(mgmt->frame_control) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) mgmt->u.action.category == WLAN_CATEGORY_HT &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) mgmt->u.action.u.ht_smps.action == WLAN_HT_ACTION_SMPS &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) ieee80211_sdata_running(sdata)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) enum ieee80211_smps_mode smps_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) switch (mgmt->u.action.u.ht_smps.smps_control) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) case WLAN_HT_SMPS_CONTROL_DYNAMIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) smps_mode = IEEE80211_SMPS_DYNAMIC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) case WLAN_HT_SMPS_CONTROL_STATIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) smps_mode = IEEE80211_SMPS_STATIC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) case WLAN_HT_SMPS_CONTROL_DISABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) default: /* shouldn't happen since we don't send that */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) smps_mode = IEEE80211_SMPS_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) if (sdata->vif.type == NL80211_IFTYPE_STATION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) * This update looks racy, but isn't -- if we come
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) * here we've definitely got a station that we're
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) * talking to, and on a managed interface that can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * only be the AP. And the only other place updating
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) * this variable in managed mode is before association.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) sdata->smps_mode = smps_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) ieee80211_queue_work(&local->hw, &sdata->recalc_smps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) } else if (sdata->vif.type == NL80211_IFTYPE_AP ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) sta->known_smps_mode = smps_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) static void ieee80211_set_bar_pending(struct sta_info *sta, u8 tid, u16 ssn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct tid_ampdu_tx *tid_tx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) if (!tid_tx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) tid_tx->failed_bar_ssn = ssn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) tid_tx->bar_pending = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) struct ieee80211_tx_status *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) int len = sizeof(struct ieee80211_radiotap_header);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) /* IEEE80211_RADIOTAP_RATE rate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) if (status && status->rate && !(status->rate->flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) (RATE_INFO_FLAGS_MCS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) RATE_INFO_FLAGS_DMG |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) RATE_INFO_FLAGS_EDMG |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) RATE_INFO_FLAGS_VHT_MCS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) RATE_INFO_FLAGS_HE_MCS)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) len += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) else if (info->status.rates[0].idx >= 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) !(info->status.rates[0].flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) (IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) len += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /* IEEE80211_RADIOTAP_TX_FLAGS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) len += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) /* IEEE80211_RADIOTAP_DATA_RETRIES */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) len += 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) /* IEEE80211_RADIOTAP_MCS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) * IEEE80211_RADIOTAP_VHT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if (status && status->rate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) if (status->rate->flags & RATE_INFO_FLAGS_MCS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) len += 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) else if (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) len = ALIGN(len, 2) + 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) else if (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) len = ALIGN(len, 2) + 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) } else if (info->status.rates[0].idx >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) len += 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) else if (info->status.rates[0].flags & IEEE80211_TX_RC_VHT_MCS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) len = ALIGN(len, 2) + 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) struct ieee80211_supported_band *sband,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) struct sk_buff *skb, int retry_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) int rtap_len, int shift,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) struct ieee80211_tx_status *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) struct ieee80211_radiotap_header *rthdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) unsigned char *pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) u16 legacy_rate = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) u16 txflags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) rthdr = skb_push(skb, rtap_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) memset(rthdr, 0, rtap_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) rthdr->it_len = cpu_to_le16(rtap_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) rthdr->it_present =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) cpu_to_le32((1 << IEEE80211_RADIOTAP_TX_FLAGS) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) (1 << IEEE80211_RADIOTAP_DATA_RETRIES));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) pos = (unsigned char *)(rthdr + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) * XXX: Once radiotap gets the bitmap reset thing the vendor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) * extensions proposal contains, we can actually report
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) * the whole set of tries we did.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) /* IEEE80211_RADIOTAP_RATE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (status && status->rate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) if (!(status->rate->flags & (RATE_INFO_FLAGS_MCS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) RATE_INFO_FLAGS_DMG |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) RATE_INFO_FLAGS_EDMG |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) RATE_INFO_FLAGS_VHT_MCS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) RATE_INFO_FLAGS_HE_MCS)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) legacy_rate = status->rate->legacy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) } else if (info->status.rates[0].idx >= 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) IEEE80211_TX_RC_VHT_MCS)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) legacy_rate =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) sband->bitrates[info->status.rates[0].idx].bitrate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) if (legacy_rate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) *pos = DIV_ROUND_UP(legacy_rate, 5 * (1 << shift));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) /* padding for tx flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) pos += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) /* IEEE80211_RADIOTAP_TX_FLAGS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) txflags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) !is_multicast_ether_addr(hdr->addr1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) txflags |= IEEE80211_RADIOTAP_F_TX_FAIL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) txflags |= IEEE80211_RADIOTAP_F_TX_CTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) txflags |= IEEE80211_RADIOTAP_F_TX_RTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) put_unaligned_le16(txflags, pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) pos += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) /* IEEE80211_RADIOTAP_DATA_RETRIES */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) /* for now report the total retry_count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) *pos = retry_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) if (status && status->rate &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) (status->rate->flags & RATE_INFO_FLAGS_MCS)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) pos[0] = IEEE80211_RADIOTAP_MCS_HAVE_MCS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) IEEE80211_RADIOTAP_MCS_HAVE_GI |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) IEEE80211_RADIOTAP_MCS_HAVE_BW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) pos[1] |= IEEE80211_RADIOTAP_MCS_SGI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (status->rate->bw == RATE_INFO_BW_40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) pos[1] |= IEEE80211_RADIOTAP_MCS_BW_40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) pos[2] = status->rate->mcs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) pos += 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) } else if (status && status->rate &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) u16 known = local->hw.radiotap_vht_details &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) (IEEE80211_RADIOTAP_VHT_KNOWN_GI |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) /* required alignment from rthdr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) /* u16 known - IEEE80211_RADIOTAP_VHT_KNOWN_* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) put_unaligned_le16(known, pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) pos += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) /* u8 flags - IEEE80211_RADIOTAP_VHT_FLAG_* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) *pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) /* u8 bandwidth */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) switch (status->rate->bw) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) case RATE_INFO_BW_160:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) *pos = 11;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) case RATE_INFO_BW_80:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) *pos = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) case RATE_INFO_BW_40:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) *pos = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) *pos = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) /* u8 mcs_nss[4] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) *pos = (status->rate->mcs << 4) | status->rate->nss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) pos += 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) /* u8 coding */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) /* u8 group_id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) /* u16 partial_aid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) pos += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) } else if (status && status->rate &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) struct ieee80211_radiotap_he *he;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_HE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) /* required alignment from rthdr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) he = (struct ieee80211_radiotap_he *)pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) he->data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) he->data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) #define HE_PREP(f, val) le16_encode_bits(val, IEEE80211_RADIOTAP_HE_##f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) he->data6 |= HE_PREP(DATA6_NSTS, status->rate->nss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) #define CHECK_GI(s) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_GI_##s != \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) (int)NL80211_RATE_INFO_HE_GI_##s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) CHECK_GI(0_8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) CHECK_GI(1_6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) CHECK_GI(3_2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) he->data3 |= HE_PREP(DATA3_DATA_MCS, status->rate->mcs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) he->data3 |= HE_PREP(DATA3_DATA_DCM, status->rate->he_dcm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) he->data5 |= HE_PREP(DATA5_GI, status->rate->he_gi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) switch (status->rate->bw) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) case RATE_INFO_BW_20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) case RATE_INFO_BW_40:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) case RATE_INFO_BW_80:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) case RATE_INFO_BW_160:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) case RATE_INFO_BW_HE_RU:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) #define CHECK_RU_ALLOC(s) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_##s##T != \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) NL80211_RATE_INFO_HE_RU_ALLOC_##s + 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) CHECK_RU_ALLOC(26);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) CHECK_RU_ALLOC(52);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) CHECK_RU_ALLOC(106);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) CHECK_RU_ALLOC(242);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) CHECK_RU_ALLOC(484);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) CHECK_RU_ALLOC(996);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) CHECK_RU_ALLOC(2x996);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) status->rate->he_ru_alloc + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) WARN_ONCE(1, "Invalid SU BW %d\n", status->rate->bw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) pos += sizeof(struct ieee80211_radiotap_he);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) if ((status && status->rate) || info->status.rates[0].idx < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) /* IEEE80211_RADIOTAP_MCS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) * IEEE80211_RADIOTAP_VHT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) pos[0] = IEEE80211_RADIOTAP_MCS_HAVE_MCS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) IEEE80211_RADIOTAP_MCS_HAVE_GI |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) IEEE80211_RADIOTAP_MCS_HAVE_BW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) if (info->status.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) pos[1] |= IEEE80211_RADIOTAP_MCS_SGI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) if (info->status.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) pos[1] |= IEEE80211_RADIOTAP_MCS_BW_40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) if (info->status.rates[0].flags & IEEE80211_TX_RC_GREEN_FIELD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) pos[1] |= IEEE80211_RADIOTAP_MCS_FMT_GF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) pos[2] = info->status.rates[0].idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) pos += 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) } else if (info->status.rates[0].flags & IEEE80211_TX_RC_VHT_MCS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) u16 known = local->hw.radiotap_vht_details &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) (IEEE80211_RADIOTAP_VHT_KNOWN_GI |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) /* required alignment from rthdr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) /* u16 known - IEEE80211_RADIOTAP_VHT_KNOWN_* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) put_unaligned_le16(known, pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) pos += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) /* u8 flags - IEEE80211_RADIOTAP_VHT_FLAG_* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) if (info->status.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) *pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) /* u8 bandwidth */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (info->status.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) *pos = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) else if (info->status.rates[0].flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) *pos = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) else if (info->status.rates[0].flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) *pos = 11;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) else /* IEEE80211_TX_RC_{20_MHZ_WIDTH,FIXME:DUP_DATA} */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) *pos = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) /* u8 mcs_nss[4] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) *pos = (ieee80211_rate_get_vht_mcs(&info->status.rates[0]) << 4) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) ieee80211_rate_get_vht_nss(&info->status.rates[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) pos += 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) /* u8 coding */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) /* u8 group_id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) /* u16 partial_aid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) pos += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) * Handles the tx for TDLS teardown frames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) * If the frame wasn't ACKed by the peer - it will be re-sent through the AP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) static void ieee80211_tdls_td_tx_handle(struct ieee80211_local *local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) struct ieee80211_sub_if_data *sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) struct sk_buff *skb, u32 flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) struct sk_buff *teardown_skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) struct sk_buff *orig_teardown_skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) bool is_teardown = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) /* Get the teardown data we need and free the lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) spin_lock(&sdata->u.mgd.teardown_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) teardown_skb = sdata->u.mgd.teardown_skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) orig_teardown_skb = sdata->u.mgd.orig_teardown_skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) if ((skb == orig_teardown_skb) && teardown_skb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) sdata->u.mgd.teardown_skb = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) sdata->u.mgd.orig_teardown_skb = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) is_teardown = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) spin_unlock(&sdata->u.mgd.teardown_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) if (is_teardown) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) /* This mechanism relies on being able to get ACKs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) WARN_ON(!ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) /* Check if peer has ACKed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) if (flags & IEEE80211_TX_STAT_ACK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) dev_kfree_skb_any(teardown_skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) tdls_dbg(sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) "TDLS Resending teardown through AP\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) ieee80211_subif_start_xmit(teardown_skb, skb->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) static struct ieee80211_sub_if_data *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) ieee80211_sdata_from_skb(struct ieee80211_local *local, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) struct ieee80211_sub_if_data *sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) if (skb->dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) list_for_each_entry_rcu(sdata, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) if (!sdata->dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) if (skb->dev == sdata->dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) return sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) return rcu_dereference(local->p2p_sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) static void ieee80211_report_ack_skb(struct ieee80211_local *local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) struct ieee80211_tx_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) bool acked, bool dropped)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) spin_lock_irqsave(&local->ack_status_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) skb = idr_remove(&local->ack_status_frames, info->ack_frame_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) spin_unlock_irqrestore(&local->ack_status_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) if (!skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) struct ieee80211_sub_if_data *sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) struct ieee80211_hdr *hdr = (void *)skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) __be16 ethertype = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) if (skb->len >= ETH_HLEN && skb->protocol == cpu_to_be16(ETH_P_802_3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) skb_copy_bits(skb, 2 * ETH_ALEN, ðertype, ETH_TLEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) sdata = ieee80211_sdata_from_skb(local, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) if (sdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) if (ethertype == sdata->control_port_protocol ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) ethertype == cpu_to_be16(ETH_P_PREAUTH))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) cfg80211_control_port_tx_status(&sdata->wdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) cookie,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) skb->data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) skb->len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) acked,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) else if (ieee80211_is_any_nullfunc(hdr->frame_control))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) cfg80211_probe_status(sdata->dev, hdr->addr1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) cookie, acked,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) info->status.ack_signal,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) info->status.is_valid_ack_signal,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) else if (ieee80211_is_mgmt(hdr->frame_control))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) cfg80211_mgmt_tx_status(&sdata->wdev, cookie,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) skb->data, skb->len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) acked, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) pr_warn("Unknown status report in ack skb\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) dev_kfree_skb_any(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) } else if (dropped) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) dev_kfree_skb_any(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) /* consumes skb */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) skb_complete_wifi_ack(skb, acked);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) static void ieee80211_report_used_skb(struct ieee80211_local *local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) struct sk_buff *skb, bool dropped)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) u16 tx_time_est = ieee80211_info_get_tx_time_est(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) struct ieee80211_hdr *hdr = (void *)skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) bool acked = info->flags & IEEE80211_TX_STAT_ACK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) if (dropped)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) acked = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) if (tx_time_est) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) struct sta_info *sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) sta = sta_info_get_by_addrs(local, hdr->addr1, hdr->addr2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) ieee80211_sta_update_pending_airtime(local, sta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) skb_get_queue_mapping(skb),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) tx_time_est,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) if (info->flags & IEEE80211_TX_INTFL_MLME_CONN_TX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) struct ieee80211_sub_if_data *sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) sdata = ieee80211_sdata_from_skb(local, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) if (!sdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) skb->dev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) unsigned int hdr_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) ieee80211_hdrlen(hdr->frame_control);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) /* Check to see if packet is a TDLS teardown packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) if (ieee80211_is_data(hdr->frame_control) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) (ieee80211_get_tdls_action(skb, hdr_size) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) WLAN_TDLS_TEARDOWN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) ieee80211_tdls_td_tx_handle(local, sdata, skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) info->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) ieee80211_mgd_conn_tx_status(sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) hdr->frame_control,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) acked);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) } else if (info->ack_frame_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) ieee80211_report_ack_skb(local, info, acked, dropped);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) if (!dropped && skb->destructor) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) skb->wifi_acked_valid = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) skb->wifi_acked = acked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) ieee80211_led_tx(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) if (skb_has_frag_list(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) kfree_skb_list(skb_shinfo(skb)->frag_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) skb_shinfo(skb)->frag_list = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) * Use a static threshold for now, best value to be determined
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) * by testing ...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) * Should it depend on:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) * - on # of retransmissions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) * - current throughput (higher value for higher tpt)?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) #define STA_LOST_PKT_THRESHOLD 50
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) #define STA_LOST_PKT_TIME HZ /* 1 sec since last ACK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) #define STA_LOST_TDLS_PKT_THRESHOLD 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) #define STA_LOST_TDLS_PKT_TIME (10*HZ) /* 10secs since last ACK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) static void ieee80211_lost_packet(struct sta_info *sta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) struct ieee80211_tx_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) unsigned long pkt_time = STA_LOST_PKT_TIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) unsigned int pkt_thr = STA_LOST_PKT_THRESHOLD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) /* If driver relies on its own algorithm for station kickout, skip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) * mac80211 packet loss mechanism.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) if (ieee80211_hw_check(&sta->local->hw, REPORTS_LOW_ACK))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) /* This packet was aggregated but doesn't carry status info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) !(info->flags & IEEE80211_TX_STAT_AMPDU))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) sta->status_stats.lost_packets++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) if (sta->sta.tdls) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) pkt_time = STA_LOST_TDLS_PKT_TIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) pkt_thr = STA_LOST_PKT_THRESHOLD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) * If we're in TDLS mode, make sure that all STA_LOST_TDLS_PKT_THRESHOLD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) * of the last packets were lost, and that no ACK was received in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) * last STA_LOST_TDLS_PKT_TIME ms, before triggering the CQM packet-loss
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) * mechanism.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) * For non-TDLS, use STA_LOST_PKT_THRESHOLD and STA_LOST_PKT_TIME
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) if (sta->status_stats.lost_packets < pkt_thr ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) !time_after(jiffies, sta->status_stats.last_pkt_time + pkt_time))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) sta->status_stats.lost_packets, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) sta->status_stats.lost_packets = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) static int ieee80211_tx_get_rates(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) struct ieee80211_tx_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) int *retry_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) int count = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) !(info->flags & IEEE80211_TX_STAT_AMPDU)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) /* just the first aggr frame carry status info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) info->status.rates[i].idx = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) info->status.rates[i].count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) } else if (info->status.rates[i].idx < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) } else if (i >= hw->max_report_rates) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) /* the HW cannot have attempted that rate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) info->status.rates[i].idx = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) info->status.rates[i].count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) count += info->status.rates[i].count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) if (count < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) *retry_count = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) return i - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) struct ieee80211_supported_band *sband,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) int retry_count, int shift, bool send_to_cooked,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) struct ieee80211_tx_status *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) struct sk_buff *skb2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) struct ieee80211_sub_if_data *sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) struct net_device *prev_dev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) int rtap_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) /* send frame to monitor interfaces now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) rtap_len = ieee80211_tx_radiotap_len(info, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) if (WARN_ON_ONCE(skb_headroom(skb) < rtap_len)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) pr_err("ieee80211_tx_status: headroom too small\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) dev_kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) ieee80211_add_tx_radiotap_header(local, sband, skb, retry_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) rtap_len, shift, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) /* XXX: is this sufficient for BPF? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) skb_reset_mac_header(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) skb->ip_summed = CHECKSUM_UNNECESSARY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) skb->pkt_type = PACKET_OTHERHOST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) skb->protocol = htons(ETH_P_802_2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) memset(skb->cb, 0, sizeof(skb->cb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) list_for_each_entry_rcu(sdata, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) if (!ieee80211_sdata_running(sdata))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) if ((sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) !send_to_cooked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) if (prev_dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) skb2 = skb_clone(skb, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) if (skb2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) skb2->dev = prev_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) netif_rx(skb2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) prev_dev = sdata->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) if (prev_dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) skb->dev = prev_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) netif_rx(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) skb = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) dev_kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) static void __ieee80211_tx_status(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) struct ieee80211_tx_status *status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) int rates_idx, int retry_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) struct sk_buff *skb = status->skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) struct ieee80211_local *local = hw_to_local(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) struct ieee80211_tx_info *info = status->info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) struct sta_info *sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) __le16 fc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) struct ieee80211_supported_band *sband;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) bool send_to_cooked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) bool acked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) bool noack_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) struct ieee80211_bar *bar;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) int shift = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) int tid = IEEE80211_NUM_TIDS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) sband = local->hw.wiphy->bands[info->band];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) fc = hdr->frame_control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) if (status->sta) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) sta = container_of(status->sta, struct sta_info, sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) shift = ieee80211_vif_get_shift(&sta->sdata->vif);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) if (info->flags & IEEE80211_TX_STATUS_EOSP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) clear_sta_flag(sta, WLAN_STA_SP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) noack_success = !!(info->flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) IEEE80211_TX_STAT_NOACK_TRANSMITTED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) /* mesh Peer Service Period support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) if (ieee80211_vif_is_mesh(&sta->sdata->vif) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) ieee80211_is_data_qos(fc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) ieee80211_mpsp_trigger_process(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) ieee80211_get_qos_ctl(hdr), sta, true, acked);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) (ieee80211_is_data(hdr->frame_control)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) (rates_idx != -1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) sta->tx_stats.last_rate =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) info->status.rates[rates_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) (ieee80211_is_data_qos(fc))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) u16 ssn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) u8 *qc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) qc = ieee80211_get_qos_ctl(hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) tid = qc[0] & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) ssn = ((le16_to_cpu(hdr->seq_ctrl) + 0x10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) & IEEE80211_SCTL_SEQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) ieee80211_send_bar(&sta->sdata->vif, hdr->addr1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) tid, ssn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) } else if (ieee80211_is_data_qos(fc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) u8 *qc = ieee80211_get_qos_ctl(hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) tid = qc[0] & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) if (!acked && ieee80211_is_back_req(fc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) u16 control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) * BAR failed, store the last SSN and retry sending
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) * the BAR when the next unicast transmission on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) * same TID succeeds.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) bar = (struct ieee80211_bar *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) control = le16_to_cpu(bar->control);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) if (!(control & IEEE80211_BAR_CTRL_MULTI_TID)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) u16 ssn = le16_to_cpu(bar->start_seq_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) tid = (control &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) IEEE80211_BAR_CTRL_TID_INFO_MASK) >>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) IEEE80211_BAR_CTRL_TID_INFO_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) ieee80211_set_bar_pending(sta, tid, ssn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) ieee80211_handle_filtered_frame(local, sta, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) } else if (ieee80211_is_data_present(fc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) if (!acked && !noack_success)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) sta->status_stats.msdu_failed[tid]++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) sta->status_stats.msdu_retries[tid] +=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) retry_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && acked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) ieee80211_frame_acked(sta, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) /* SNMP counters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) * Fragments are passed to low-level drivers as separate skbs, so these
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) * are actually fragments, not frames. Update frame counters only for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) * the first fragment of the frame. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) if ((info->flags & IEEE80211_TX_STAT_ACK) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) (info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) if (ieee80211_is_first_frag(hdr->seq_ctrl)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) I802_DEBUG_INC(local->dot11TransmittedFrameCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) if (retry_count > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) I802_DEBUG_INC(local->dot11RetryCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) if (retry_count > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) I802_DEBUG_INC(local->dot11MultipleRetryCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) /* This counter shall be incremented for an acknowledged MPDU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) * with an individual address in the address 1 field or an MPDU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) * with a multicast address in the address 1 field of type Data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) * or Management. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) if (!is_multicast_ether_addr(hdr->addr1) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) ieee80211_is_data(fc) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) ieee80211_is_mgmt(fc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) I802_DEBUG_INC(local->dot11TransmittedFragmentCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) if (ieee80211_is_first_frag(hdr->seq_ctrl))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) I802_DEBUG_INC(local->dot11FailedCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) if (ieee80211_is_any_nullfunc(fc) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) ieee80211_has_pm(fc) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) !(info->flags & IEEE80211_TX_CTL_INJECTED) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) local->ps_sdata && !(local->scanning)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) if (info->flags & IEEE80211_TX_STAT_ACK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) local->ps_sdata->u.mgd.flags |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) IEEE80211_STA_NULLFUNC_ACKED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) mod_timer(&local->dynamic_ps_timer, jiffies +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) msecs_to_jiffies(10));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) ieee80211_report_used_skb(local, skb, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) /* this was a transmitted frame, but now we want to reuse it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) skb_orphan(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) /* Need to make a copy before skb->cb gets cleared */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) send_to_cooked = !!(info->flags & IEEE80211_TX_CTL_INJECTED) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) !(ieee80211_is_data(fc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) * This is a bit racy but we can avoid a lot of work
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) * with this test...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) if (!local->monitors && (!send_to_cooked || !local->cooked_mntrs)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) if (status->free_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) list_add_tail(&skb->list, status->free_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) dev_kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) /* send to monitor interfaces */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) ieee80211_tx_monitor(local, skb, sband, retry_count, shift,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) send_to_cooked, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) struct ieee80211_local *local = hw_to_local(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) struct ieee80211_tx_status status = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) .skb = skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) .info = IEEE80211_SKB_CB(skb),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) struct sta_info *sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) sta = sta_info_get_by_addrs(local, hdr->addr1, hdr->addr2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) if (sta)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) status.sta = &sta->sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) ieee80211_tx_status_ext(hw, &status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) EXPORT_SYMBOL(ieee80211_tx_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) struct ieee80211_tx_status *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) struct ieee80211_local *local = hw_to_local(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) struct ieee80211_tx_info *info = status->info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) struct ieee80211_sta *pubsta = status->sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) struct sk_buff *skb = status->skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) struct ieee80211_supported_band *sband;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) struct sta_info *sta = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) int rates_idx, retry_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) bool acked, noack_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) u16 tx_time_est;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) if (pubsta) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) sta = container_of(pubsta, struct sta_info, sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) if (status->rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) sta->tx_stats.last_rate_info = *status->rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) if (skb && (tx_time_est =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) ieee80211_info_get_tx_time_est(IEEE80211_SKB_CB(skb))) > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) /* Do this here to avoid the expensive lookup of the sta
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) * in ieee80211_report_used_skb().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) ieee80211_sta_update_pending_airtime(local, sta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) skb_get_queue_mapping(skb),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) tx_time_est,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) ieee80211_info_set_tx_time_est(IEEE80211_SKB_CB(skb), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) if (!status->info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) goto free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) sband = hw->wiphy->bands[info->band];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) noack_success = !!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) if (pubsta) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) struct ieee80211_sub_if_data *sdata = sta->sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) if (!acked && !noack_success)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) sta->status_stats.retry_failed++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) sta->status_stats.retry_count += retry_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) if (sdata->vif.type == NL80211_IFTYPE_STATION &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) skb && !(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) ieee80211_sta_tx_notify(sdata, (void *) skb->data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) acked, info->status.tx_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) if (acked) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) sta->status_stats.last_ack = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) if (sta->status_stats.lost_packets)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) sta->status_stats.lost_packets = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) /* Track when last packet was ACKed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) sta->status_stats.last_pkt_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) /* Reset connection monitor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) if (sdata->vif.type == NL80211_IFTYPE_STATION &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) unlikely(sdata->u.mgd.probe_send_count > 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) sdata->u.mgd.probe_send_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) if (info->status.is_valid_ack_signal) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) sta->status_stats.last_ack_signal =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) (s8)info->status.ack_signal;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) sta->status_stats.ack_signal_filled = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) ewma_avg_signal_add(&sta->status_stats.avg_ack_signal,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) -info->status.ack_signal);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) * The STA is in power save mode, so assume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) * that this TX packet failed because of that.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) if (skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) ieee80211_handle_filtered_frame(local, sta, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) } else if (noack_success) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) /* nothing to do here, do not account as lost */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) ieee80211_lost_packet(sta, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) rate_control_tx_status(local, sband, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) if (ieee80211_vif_is_mesh(&sta->sdata->vif))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) ieee80211s_update_metric(local, sta, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) if (skb && !(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) return __ieee80211_tx_status(hw, status, rates_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) retry_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) if (acked || noack_success) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) I802_DEBUG_INC(local->dot11TransmittedFrameCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) if (!pubsta)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) if (retry_count > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) I802_DEBUG_INC(local->dot11RetryCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) if (retry_count > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) I802_DEBUG_INC(local->dot11MultipleRetryCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) I802_DEBUG_INC(local->dot11FailedCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) if (!skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) ieee80211_report_used_skb(local, skb, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) if (status->free_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) list_add_tail(&skb->list, status->free_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) dev_kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) EXPORT_SYMBOL(ieee80211_tx_status_ext);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) void ieee80211_tx_rate_update(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) struct ieee80211_sta *pubsta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) struct ieee80211_tx_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) struct ieee80211_local *local = hw_to_local(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) struct ieee80211_supported_band *sband = hw->wiphy->bands[info->band];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) struct ieee80211_tx_status status = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) .info = info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) .sta = pubsta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) rate_control_tx_status(local, sband, &status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) sta->tx_stats.last_rate = info->status.rates[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) EXPORT_SYMBOL(ieee80211_tx_rate_update);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) void ieee80211_tx_status_8023(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) struct ieee80211_vif *vif,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) struct ieee80211_sub_if_data *sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) struct ieee80211_tx_status status = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) .skb = skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) .info = IEEE80211_SKB_CB(skb),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) struct sta_info *sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) sdata = vif_to_sdata(vif);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) if (!ieee80211_lookup_ra_sta(sdata, skb, &sta) && !IS_ERR(sta))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) status.sta = &sta->sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) ieee80211_tx_status_ext(hw, &status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) EXPORT_SYMBOL(ieee80211_tx_status_8023);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) num_packets, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) EXPORT_SYMBOL(ieee80211_report_low_ack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) struct ieee80211_local *local = hw_to_local(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) ieee80211_report_used_skb(local, skb, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) dev_kfree_skb_any(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) EXPORT_SYMBOL(ieee80211_free_txskb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) struct sk_buff_head *skbs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) while ((skb = __skb_dequeue(skbs)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) ieee80211_free_txskb(hw, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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