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-rw-r--r--net/mac80211/status.c434
1 files changed, 227 insertions, 207 deletions
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index f6f63a0b1b72..4b38aa0e902a 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -5,12 +5,13 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2008-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright 2021-2025 Intel Corporation
*/
#include <linux/export.h>
#include <linux/etherdevice.h>
#include <net/mac80211.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include "ieee80211_i.h"
#include "rate.h"
#include "mesh.h"
@@ -71,7 +72,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
info->flags |= IEEE80211_TX_INTFL_RETRANSMISSION;
info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS;
- sta->status_stats.filtered++;
+ sta->deflink.status_stats.filtered++;
/*
* Clear more-data bit on filtered frames, it might be set
@@ -183,8 +184,6 @@ static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)
static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb)
{
struct ieee80211_mgmt *mgmt = (void *) skb->data;
- struct ieee80211_local *local = sta->local;
- struct ieee80211_sub_if_data *sdata = sta->sdata;
if (ieee80211_is_data_qos(mgmt->frame_control)) {
struct ieee80211_hdr *hdr = (void *) skb->data;
@@ -193,42 +192,6 @@ static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb)
ieee80211_check_pending_bar(sta, hdr->addr1, tid);
}
-
- if (ieee80211_is_action(mgmt->frame_control) &&
- !ieee80211_has_protected(mgmt->frame_control) &&
- mgmt->u.action.category == WLAN_CATEGORY_HT &&
- mgmt->u.action.u.ht_smps.action == WLAN_HT_ACTION_SMPS &&
- ieee80211_sdata_running(sdata)) {
- enum ieee80211_smps_mode smps_mode;
-
- switch (mgmt->u.action.u.ht_smps.smps_control) {
- case WLAN_HT_SMPS_CONTROL_DYNAMIC:
- smps_mode = IEEE80211_SMPS_DYNAMIC;
- break;
- case WLAN_HT_SMPS_CONTROL_STATIC:
- smps_mode = IEEE80211_SMPS_STATIC;
- break;
- case WLAN_HT_SMPS_CONTROL_DISABLED:
- default: /* shouldn't happen since we don't send that */
- smps_mode = IEEE80211_SMPS_OFF;
- break;
- }
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- /*
- * This update looks racy, but isn't -- if we come
- * here we've definitely got a station that we're
- * talking to, and on a managed interface that can
- * only be the AP. And the only other place updating
- * this variable in managed mode is before association.
- */
- sdata->smps_mode = smps_mode;
- ieee80211_queue_work(&local->hw, &sdata->recalc_smps);
- } else if (sdata->vif.type == NL80211_IFTYPE_AP ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
- sta->known_smps_mode = smps_mode;
- }
- }
}
static void ieee80211_set_bar_pending(struct sta_info *sta, u8 tid, u16 ssn)
@@ -246,15 +209,19 @@ static void ieee80211_set_bar_pending(struct sta_info *sta, u8 tid, u16 ssn)
static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info,
struct ieee80211_tx_status *status)
{
+ struct ieee80211_rate_status *status_rate = NULL;
int len = sizeof(struct ieee80211_radiotap_header);
+ if (status && status->n_rates)
+ status_rate = &status->rates[status->n_rates - 1];
+
/* IEEE80211_RADIOTAP_RATE rate */
- if (status && status->rate && !(status->rate->flags &
- (RATE_INFO_FLAGS_MCS |
- RATE_INFO_FLAGS_DMG |
- RATE_INFO_FLAGS_EDMG |
- RATE_INFO_FLAGS_VHT_MCS |
- RATE_INFO_FLAGS_HE_MCS)))
+ if (status_rate && !(status_rate->rate_idx.flags &
+ (RATE_INFO_FLAGS_MCS |
+ RATE_INFO_FLAGS_DMG |
+ RATE_INFO_FLAGS_EDMG |
+ RATE_INFO_FLAGS_VHT_MCS |
+ RATE_INFO_FLAGS_HE_MCS)))
len += 2;
else if (info->status.rates[0].idx >= 0 &&
!(info->status.rates[0].flags &
@@ -269,12 +236,12 @@ static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info,
/* IEEE80211_RADIOTAP_MCS
* IEEE80211_RADIOTAP_VHT */
- if (status && status->rate) {
- if (status->rate->flags & RATE_INFO_FLAGS_MCS)
+ if (status_rate) {
+ if (status_rate->rate_idx.flags & RATE_INFO_FLAGS_MCS)
len += 3;
- else if (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)
+ else if (status_rate->rate_idx.flags & RATE_INFO_FLAGS_VHT_MCS)
len = ALIGN(len, 2) + 12;
- else if (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)
+ else if (status_rate->rate_idx.flags & RATE_INFO_FLAGS_HE_MCS)
len = ALIGN(len, 2) + 12;
} else if (info->status.rates[0].idx >= 0) {
if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS)
@@ -288,18 +255,21 @@ static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info,
static void
ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
- struct ieee80211_supported_band *sband,
struct sk_buff *skb, int retry_count,
- int rtap_len, int shift,
+ int rtap_len,
struct ieee80211_tx_status *status)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_radiotap_header *rthdr;
+ struct ieee80211_rate_status *status_rate = NULL;
unsigned char *pos;
u16 legacy_rate = 0;
u16 txflags;
+ if (status && status->n_rates)
+ status_rate = &status->rates[status->n_rates - 1];
+
rthdr = skb_push(skb, rtap_len);
memset(rthdr, 0, rtap_len);
@@ -317,22 +287,27 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
/* IEEE80211_RADIOTAP_RATE */
- if (status && status->rate) {
- if (!(status->rate->flags & (RATE_INFO_FLAGS_MCS |
- RATE_INFO_FLAGS_DMG |
- RATE_INFO_FLAGS_EDMG |
- RATE_INFO_FLAGS_VHT_MCS |
- RATE_INFO_FLAGS_HE_MCS)))
- legacy_rate = status->rate->legacy;
+ if (status_rate) {
+ if (!(status_rate->rate_idx.flags &
+ (RATE_INFO_FLAGS_MCS |
+ RATE_INFO_FLAGS_DMG |
+ RATE_INFO_FLAGS_EDMG |
+ RATE_INFO_FLAGS_VHT_MCS |
+ RATE_INFO_FLAGS_HE_MCS)))
+ legacy_rate = status_rate->rate_idx.legacy;
} else if (info->status.rates[0].idx >= 0 &&
!(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
- IEEE80211_TX_RC_VHT_MCS)))
+ IEEE80211_TX_RC_VHT_MCS))) {
+ struct ieee80211_supported_band *sband;
+
+ sband = local->hw.wiphy->bands[info->band];
legacy_rate =
sband->bitrates[info->status.rates[0].idx].bitrate;
+ }
if (legacy_rate) {
rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_RATE));
- *pos = DIV_ROUND_UP(legacy_rate, 5 * (1 << shift));
+ *pos = DIV_ROUND_UP(legacy_rate, 5);
/* padding for tx flags */
pos += 2;
}
@@ -356,20 +331,21 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
*pos = retry_count;
pos++;
- if (status && status->rate &&
- (status->rate->flags & RATE_INFO_FLAGS_MCS)) {
+ if (status_rate && (status_rate->rate_idx.flags & RATE_INFO_FLAGS_MCS))
+ {
rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_MCS));
pos[0] = IEEE80211_RADIOTAP_MCS_HAVE_MCS |
IEEE80211_RADIOTAP_MCS_HAVE_GI |
IEEE80211_RADIOTAP_MCS_HAVE_BW;
- if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI)
+ if (status_rate->rate_idx.flags & RATE_INFO_FLAGS_SHORT_GI)
pos[1] |= IEEE80211_RADIOTAP_MCS_SGI;
- if (status->rate->bw == RATE_INFO_BW_40)
+ if (status_rate->rate_idx.bw == RATE_INFO_BW_40)
pos[1] |= IEEE80211_RADIOTAP_MCS_BW_40;
- pos[2] = status->rate->mcs;
+ pos[2] = status_rate->rate_idx.mcs;
pos += 3;
- } else if (status && status->rate &&
- (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)) {
+ } else if (status_rate && (status_rate->rate_idx.flags &
+ RATE_INFO_FLAGS_VHT_MCS))
+ {
u16 known = local->hw.radiotap_vht_details &
(IEEE80211_RADIOTAP_VHT_KNOWN_GI |
IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH);
@@ -384,12 +360,12 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
pos += 2;
/* u8 flags - IEEE80211_RADIOTAP_VHT_FLAG_* */
- if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI)
+ if (status_rate->rate_idx.flags & RATE_INFO_FLAGS_SHORT_GI)
*pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;
pos++;
/* u8 bandwidth */
- switch (status->rate->bw) {
+ switch (status_rate->rate_idx.bw) {
case RATE_INFO_BW_160:
*pos = 11;
break;
@@ -406,7 +382,8 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
pos++;
/* u8 mcs_nss[4] */
- *pos = (status->rate->mcs << 4) | status->rate->nss;
+ *pos = (status_rate->rate_idx.mcs << 4) |
+ status_rate->rate_idx.nss;
pos += 4;
/* u8 coding */
@@ -415,8 +392,9 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
pos++;
/* u16 partial_aid */
pos += 2;
- } else if (status && status->rate &&
- (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)) {
+ } else if (status_rate && (status_rate->rate_idx.flags &
+ RATE_INFO_FLAGS_HE_MCS))
+ {
struct ieee80211_radiotap_he *he;
rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_HE));
@@ -434,7 +412,7 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
#define HE_PREP(f, val) le16_encode_bits(val, IEEE80211_RADIOTAP_HE_##f)
- he->data6 |= HE_PREP(DATA6_NSTS, status->rate->nss);
+ he->data6 |= HE_PREP(DATA6_NSTS, status_rate->rate_idx.nss);
#define CHECK_GI(s) \
BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_GI_##s != \
@@ -444,12 +422,12 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
CHECK_GI(1_6);
CHECK_GI(3_2);
- he->data3 |= HE_PREP(DATA3_DATA_MCS, status->rate->mcs);
- he->data3 |= HE_PREP(DATA3_DATA_DCM, status->rate->he_dcm);
+ he->data3 |= HE_PREP(DATA3_DATA_MCS, status_rate->rate_idx.mcs);
+ he->data3 |= HE_PREP(DATA3_DATA_DCM, status_rate->rate_idx.he_dcm);
- he->data5 |= HE_PREP(DATA5_GI, status->rate->he_gi);
+ he->data5 |= HE_PREP(DATA5_GI, status_rate->rate_idx.he_gi);
- switch (status->rate->bw) {
+ switch (status_rate->rate_idx.bw) {
case RATE_INFO_BW_20:
he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ);
@@ -480,16 +458,16 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
CHECK_RU_ALLOC(2x996);
he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
- status->rate->he_ru_alloc + 4);
+ status_rate->rate_idx.he_ru_alloc + 4);
break;
default:
- WARN_ONCE(1, "Invalid SU BW %d\n", status->rate->bw);
+ WARN_ONCE(1, "Invalid SU BW %d\n", status_rate->rate_idx.bw);
}
pos += sizeof(struct ieee80211_radiotap_he);
}
- if ((status && status->rate) || info->status.rates[0].idx < 0)
+ if (status_rate || info->status.rates[0].idx < 0)
return;
/* IEEE80211_RADIOTAP_MCS
@@ -594,6 +572,7 @@ static struct ieee80211_sub_if_data *
ieee80211_sdata_from_skb(struct ieee80211_local *local, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_hdr *hdr = (void *)skb->data;
if (skb->dev) {
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
@@ -607,18 +586,36 @@ ieee80211_sdata_from_skb(struct ieee80211_local *local, struct sk_buff *skb)
return NULL;
}
- return rcu_dereference(local->p2p_sdata);
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_P2P_DEVICE:
+ break;
+ case NL80211_IFTYPE_NAN:
+ if (sdata->u.nan.started)
+ break;
+ fallthrough;
+ default:
+ continue;
+ }
+
+ if (ether_addr_equal(sdata->vif.addr, hdr->addr2))
+ return sdata;
+ }
+
+ return NULL;
}
static void ieee80211_report_ack_skb(struct ieee80211_local *local,
- struct ieee80211_tx_info *info,
- bool acked, bool dropped)
+ struct sk_buff *orig_skb,
+ bool acked, bool dropped,
+ ktime_t ack_hwtstamp)
{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(orig_skb);
struct sk_buff *skb;
unsigned long flags;
spin_lock_irqsave(&local->ack_status_lock, flags);
- skb = idr_remove(&local->ack_status_frames, info->ack_frame_id);
+ skb = idr_remove(&local->ack_status_frames, info->status_data);
spin_unlock_irqrestore(&local->ack_status_lock, flags);
if (!skb)
@@ -628,6 +625,21 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_hdr *hdr = (void *)skb->data;
+ bool is_valid_ack_signal =
+ !!(info->status.flags & IEEE80211_TX_STATUS_ACK_SIGNAL_VALID);
+ struct cfg80211_tx_status status = {
+ .cookie = cookie,
+ .buf = skb->data,
+ .len = skb->len,
+ .ack = acked,
+ };
+
+ if (ieee80211_is_timing_measurement(orig_skb) ||
+ ieee80211_is_ftm(orig_skb)) {
+ status.tx_tstamp =
+ ktime_to_ns(skb_hwtstamps(orig_skb)->hwtstamp);
+ status.ack_tstamp = ktime_to_ns(ack_hwtstamp);
+ }
rcu_read_lock();
sdata = ieee80211_sdata_from_skb(local, skb);
@@ -644,12 +656,12 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
cfg80211_probe_status(sdata->dev, hdr->addr1,
cookie, acked,
info->status.ack_signal,
- info->status.is_valid_ack_signal,
+ is_valid_ack_signal,
GFP_ATOMIC);
else if (ieee80211_is_mgmt(hdr->frame_control))
- cfg80211_mgmt_tx_status(&sdata->wdev, cookie,
- skb->data, skb->len,
- acked, GFP_ATOMIC);
+ cfg80211_mgmt_tx_status_ext(&sdata->wdev,
+ &status,
+ GFP_ATOMIC);
else
pr_warn("Unknown status report in ack skb\n");
@@ -665,8 +677,62 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
}
}
+static void ieee80211_handle_smps_status(struct ieee80211_sub_if_data *sdata,
+ bool acked, u16 status_data)
+{
+ u16 sub_data = u16_get_bits(status_data, IEEE80211_STATUS_SUBDATA_MASK);
+ enum ieee80211_smps_mode smps_mode = sub_data & 3;
+ int link_id = (sub_data >> 2);
+ struct ieee80211_link_data *link;
+
+ if (!sdata || !ieee80211_sdata_running(sdata))
+ return;
+
+ if (!acked)
+ return;
+
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return;
+
+ if (WARN(link_id >= ARRAY_SIZE(sdata->link),
+ "bad SMPS status link: %d\n", link_id))
+ return;
+
+ link = rcu_dereference(sdata->link[link_id]);
+ if (!link)
+ return;
+
+ /*
+ * This update looks racy, but isn't, the only other place
+ * updating this variable is in managed mode before assoc,
+ * and we have to be associated to have a status from the
+ * action frame TX, since we cannot send it while we're not
+ * associated yet.
+ */
+ link->smps_mode = smps_mode;
+ wiphy_work_queue(sdata->local->hw.wiphy, &link->u.mgd.recalc_smps);
+}
+
+static void
+ieee80211_handle_teardown_ttlm_status(struct ieee80211_sub_if_data *sdata,
+ bool acked)
+{
+ if (!sdata || !ieee80211_sdata_running(sdata))
+ return;
+
+ if (!acked)
+ return;
+
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return;
+
+ wiphy_work_queue(sdata->local->hw.wiphy,
+ &sdata->u.mgd.teardown_ttlm_work);
+}
+
static void ieee80211_report_used_skb(struct ieee80211_local *local,
- struct sk_buff *skb, bool dropped)
+ struct sk_buff *skb, bool dropped,
+ ktime_t ack_hwtstamp)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
u16 tx_time_est = ieee80211_info_get_tx_time_est(info);
@@ -698,13 +764,10 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local,
if (!sdata) {
skb->dev = NULL;
- } else {
- unsigned int hdr_size =
- ieee80211_hdrlen(hdr->frame_control);
-
+ } else if (!dropped) {
/* Check to see if packet is a TDLS teardown packet */
if (ieee80211_is_data(hdr->frame_control) &&
- (ieee80211_get_tdls_action(skb, hdr_size) ==
+ (ieee80211_get_tdls_action(skb) ==
WLAN_TDLS_TEARDOWN)) {
ieee80211_tdls_td_tx_handle(local, sdata, skb,
info->flags);
@@ -716,8 +779,8 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local,
if (qskb) {
skb_queue_tail(&sdata->status_queue,
qskb);
- ieee80211_queue_work(&local->hw,
- &sdata->work);
+ wiphy_work_queue(local->hw.wiphy,
+ &sdata->work);
}
}
} else {
@@ -728,8 +791,27 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local,
}
rcu_read_unlock();
- } else if (info->ack_frame_id) {
- ieee80211_report_ack_skb(local, info, acked, dropped);
+ } else if (info->status_data_idr) {
+ ieee80211_report_ack_skb(local, skb, acked, dropped,
+ ack_hwtstamp);
+ } else if (info->status_data) {
+ struct ieee80211_sub_if_data *sdata;
+
+ rcu_read_lock();
+
+ sdata = ieee80211_sdata_from_skb(local, skb);
+
+ switch (u16_get_bits(info->status_data,
+ IEEE80211_STATUS_TYPE_MASK)) {
+ case IEEE80211_STATUS_TYPE_SMPS:
+ ieee80211_handle_smps_status(sdata, acked,
+ info->status_data);
+ break;
+ case IEEE80211_STATUS_TYPE_NEG_TTLM:
+ ieee80211_handle_teardown_ttlm_status(sdata, acked);
+ break;
+ }
+ rcu_read_unlock();
}
if (!dropped && skb->destructor) {
@@ -754,7 +836,6 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local,
*/
#define STA_LOST_PKT_THRESHOLD 50
#define STA_LOST_PKT_TIME HZ /* 1 sec since last ACK */
-#define STA_LOST_TDLS_PKT_THRESHOLD 10
#define STA_LOST_TDLS_PKT_TIME (10*HZ) /* 10secs since last ACK */
static void ieee80211_lost_packet(struct sta_info *sta,
@@ -774,26 +855,27 @@ static void ieee80211_lost_packet(struct sta_info *sta,
!(info->flags & IEEE80211_TX_STAT_AMPDU))
return;
- sta->status_stats.lost_packets++;
+ sta->deflink.status_stats.lost_packets++;
if (sta->sta.tdls) {
pkt_time = STA_LOST_TDLS_PKT_TIME;
pkt_thr = STA_LOST_PKT_THRESHOLD;
}
/*
- * If we're in TDLS mode, make sure that all STA_LOST_TDLS_PKT_THRESHOLD
+ * If we're in TDLS mode, make sure that all STA_LOST_PKT_THRESHOLD
* of the last packets were lost, and that no ACK was received in the
* last STA_LOST_TDLS_PKT_TIME ms, before triggering the CQM packet-loss
* mechanism.
* For non-TDLS, use STA_LOST_PKT_THRESHOLD and STA_LOST_PKT_TIME
*/
- if (sta->status_stats.lost_packets < pkt_thr ||
- !time_after(jiffies, sta->status_stats.last_pkt_time + pkt_time))
+ if (sta->deflink.status_stats.lost_packets < pkt_thr ||
+ !time_after(jiffies, sta->deflink.status_stats.last_pkt_time + pkt_time))
return;
cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr,
- sta->status_stats.lost_packets, GFP_ATOMIC);
- sta->status_stats.lost_packets = 0;
+ sta->deflink.status_stats.lost_packets,
+ GFP_ATOMIC);
+ sta->deflink.status_stats.lost_packets = 0;
}
static int ieee80211_tx_get_rates(struct ieee80211_hw *hw,
@@ -830,9 +912,7 @@ static int ieee80211_tx_get_rates(struct ieee80211_hw *hw,
}
void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_supported_band *sband,
- int retry_count, int shift, bool send_to_cooked,
- struct ieee80211_tx_status *status)
+ int retry_count, struct ieee80211_tx_status *status)
{
struct sk_buff *skb2;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -847,8 +927,8 @@ void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
dev_kfree_skb(skb);
return;
}
- ieee80211_add_tx_radiotap_header(local, sband, skb, retry_count,
- rtap_len, shift, status);
+ ieee80211_add_tx_radiotap_header(local, skb, retry_count,
+ rtap_len, status);
/* XXX: is this sufficient for BPF? */
skb_reset_mac_header(skb);
@@ -863,8 +943,7 @@ void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
if (!ieee80211_sdata_running(sdata))
continue;
- if ((sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES) &&
- !send_to_cooked)
+ if (sdata->u.mntr.flags & MONITOR_FLAG_SKIP_TX)
continue;
if (prev_dev) {
@@ -897,20 +976,15 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,
struct ieee80211_tx_info *info = status->info;
struct sta_info *sta;
__le16 fc;
- struct ieee80211_supported_band *sband;
- bool send_to_cooked;
bool acked;
bool noack_success;
struct ieee80211_bar *bar;
- int shift = 0;
int tid = IEEE80211_NUM_TIDS;
- sband = local->hw.wiphy->bands[info->band];
fc = hdr->frame_control;
if (status->sta) {
sta = container_of(status->sta, struct sta_info, sta);
- shift = ieee80211_vif_get_shift(&sta->sdata->vif);
if (info->flags & IEEE80211_TX_STATUS_EOSP)
clear_sta_flag(sta, WLAN_STA_SP);
@@ -928,7 +1002,7 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,
if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL) &&
(ieee80211_is_data(hdr->frame_control)) &&
(rates_idx != -1))
- sta->tx_stats.last_rate =
+ sta->deflink.tx_stats.last_rate =
info->status.rates[rates_idx];
if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
@@ -974,34 +1048,15 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,
return;
} else if (ieee80211_is_data_present(fc)) {
if (!acked && !noack_success)
- sta->status_stats.msdu_failed[tid]++;
+ sta->deflink.status_stats.msdu_failed[tid]++;
- sta->status_stats.msdu_retries[tid] +=
+ sta->deflink.status_stats.msdu_retries[tid] +=
retry_count;
}
if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && acked)
ieee80211_frame_acked(sta, skb);
- } else if (wiphy_ext_feature_isset(local->hw.wiphy,
- NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) {
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_txq *txq;
- u32 airtime;
-
- /* Account airtime to multicast queue */
- sdata = ieee80211_sdata_from_skb(local, skb);
-
- if (sdata && (txq = sdata->vif.txq)) {
- airtime = info->status.tx_time ?:
- ieee80211_calc_expected_tx_airtime(hw,
- &sdata->vif,
- NULL,
- skb->len,
- false);
-
- ieee80211_register_airtime(txq, airtime, 0);
- }
}
/* SNMP counters
@@ -1045,33 +1100,21 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,
jiffies + msecs_to_jiffies(10));
}
- ieee80211_report_used_skb(local, skb, false);
-
- /* this was a transmitted frame, but now we want to reuse it */
- skb_orphan(skb);
-
- /* Need to make a copy before skb->cb gets cleared */
- send_to_cooked = !!(info->flags & IEEE80211_TX_CTL_INJECTED) ||
- !(ieee80211_is_data(fc));
+ ieee80211_report_used_skb(local, skb, false, status->ack_hwtstamp);
/*
* This is a bit racy but we can avoid a lot of work
* with this test...
*/
- if (!local->monitors && (!send_to_cooked || !local->cooked_mntrs)) {
- if (status->free_list)
- list_add_tail(&skb->list, status->free_list);
- else
- dev_kfree_skb(skb);
- return;
- }
-
- /* send to monitor interfaces */
- ieee80211_tx_monitor(local, skb, sband, retry_count, shift,
- send_to_cooked, status);
+ if (local->tx_mntrs)
+ ieee80211_tx_monitor(local, skb, retry_count, status);
+ else if (status->free_list)
+ list_add_tail(&skb->list, status->free_list);
+ else
+ dev_kfree_skb(skb);
}
-void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
+void ieee80211_tx_status_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_local *local = hw_to_local(hw);
@@ -1090,7 +1133,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
ieee80211_tx_status_ext(hw, &status);
rcu_read_unlock();
}
-EXPORT_SYMBOL(ieee80211_tx_status);
+EXPORT_SYMBOL(ieee80211_tx_status_skb);
void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
struct ieee80211_tx_status *status)
@@ -1099,17 +1142,17 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
struct ieee80211_tx_info *info = status->info;
struct ieee80211_sta *pubsta = status->sta;
struct sk_buff *skb = status->skb;
- struct ieee80211_supported_band *sband;
struct sta_info *sta = NULL;
int rates_idx, retry_count;
- bool acked, noack_success;
+ bool acked, noack_success, ack_signal_valid;
u16 tx_time_est;
if (pubsta) {
sta = container_of(pubsta, struct sta_info, sta);
- if (status->rate)
- sta->tx_stats.last_rate_info = *status->rate;
+ if (status->n_rates)
+ sta->deflink.tx_stats.last_rate_info =
+ status->rates[status->n_rates - 1].rate_idx;
}
if (skb && (tx_time_est =
@@ -1129,17 +1172,17 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
- sband = hw->wiphy->bands[info->band];
-
acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
noack_success = !!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED);
+ ack_signal_valid =
+ !!(info->status.flags & IEEE80211_TX_STATUS_ACK_SIGNAL_VALID);
if (pubsta) {
struct ieee80211_sub_if_data *sdata = sta->sdata;
if (!acked && !noack_success)
- sta->status_stats.retry_failed++;
- sta->status_stats.retry_count += retry_count;
+ sta->deflink.status_stats.retry_failed++;
+ sta->deflink.status_stats.retry_count += retry_count;
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
@@ -1148,24 +1191,24 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
acked, info->status.tx_time);
if (acked) {
- sta->status_stats.last_ack = jiffies;
+ sta->deflink.status_stats.last_ack = jiffies;
- if (sta->status_stats.lost_packets)
- sta->status_stats.lost_packets = 0;
+ if (sta->deflink.status_stats.lost_packets)
+ sta->deflink.status_stats.lost_packets = 0;
/* Track when last packet was ACKed */
- sta->status_stats.last_pkt_time = jiffies;
+ sta->deflink.status_stats.last_pkt_time = jiffies;
/* Reset connection monitor */
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
unlikely(sdata->u.mgd.probe_send_count > 0))
sdata->u.mgd.probe_send_count = 0;
- if (info->status.is_valid_ack_signal) {
- sta->status_stats.last_ack_signal =
+ if (ack_signal_valid) {
+ sta->deflink.status_stats.last_ack_signal =
(s8)info->status.ack_signal;
- sta->status_stats.ack_signal_filled = true;
- ewma_avg_signal_add(&sta->status_stats.avg_ack_signal,
+ sta->deflink.status_stats.ack_signal_filled = true;
+ ewma_avg_signal_add(&sta->deflink.status_stats.avg_ack_signal,
-info->status.ack_signal);
}
} else if (test_sta_flag(sta, WLAN_STA_PS_STA)) {
@@ -1183,7 +1226,7 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
}
}
- rate_control_tx_status(local, sband, status);
+ rate_control_tx_status(local, status);
if (ieee80211_vif_is_mesh(&sta->sdata->vif))
ieee80211s_update_metric(local, sta, status);
}
@@ -1208,7 +1251,7 @@ free:
if (!skb)
return;
- ieee80211_report_used_skb(local, skb, false);
+ ieee80211_report_used_skb(local, skb, false, status->ack_hwtstamp);
if (status->free_list)
list_add_tail(&skb->list, status->free_list);
else
@@ -1221,44 +1264,19 @@ void ieee80211_tx_rate_update(struct ieee80211_hw *hw,
struct ieee80211_tx_info *info)
{
struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_supported_band *sband = hw->wiphy->bands[info->band];
struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
struct ieee80211_tx_status status = {
.info = info,
.sta = pubsta,
};
- rate_control_tx_status(local, sband, &status);
+ rate_control_tx_status(local, &status);
if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
- sta->tx_stats.last_rate = info->status.rates[0];
+ sta->deflink.tx_stats.last_rate = info->status.rates[0];
}
EXPORT_SYMBOL(ieee80211_tx_rate_update);
-void ieee80211_tx_status_8023(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct sk_buff *skb)
-{
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_tx_status status = {
- .skb = skb,
- .info = IEEE80211_SKB_CB(skb),
- };
- struct sta_info *sta;
-
- sdata = vif_to_sdata(vif);
-
- rcu_read_lock();
-
- if (!ieee80211_lookup_ra_sta(sdata, skb, &sta) && !IS_ERR(sta))
- status.sta = &sta->sta;
-
- ieee80211_tx_status_ext(hw, &status);
-
- rcu_read_unlock();
-}
-EXPORT_SYMBOL(ieee80211_tx_status_8023);
-
void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets)
{
struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
@@ -1270,8 +1288,9 @@ EXPORT_SYMBOL(ieee80211_report_low_ack);
void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ieee80211_local *local = hw_to_local(hw);
+ ktime_t kt = ktime_set(0, 0);
- ieee80211_report_used_skb(local, skb, true);
+ ieee80211_report_used_skb(local, skb, true, kt);
dev_kfree_skb_any(skb);
}
EXPORT_SYMBOL(ieee80211_free_txskb);
@@ -1284,3 +1303,4 @@ void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
while ((skb = __skb_dequeue(skbs)))
ieee80211_free_txskb(hw, skb);
}
+EXPORT_SYMBOL(ieee80211_purge_tx_queue);