Commit 79c892b8 authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: provide per-TID RX/TX MSDU counters



Implement the new counters cfg80211 can now advertise to userspace.
The TX code is in the sequence number handler, which is a bit odd,
but that place already knows the TID and frame type, so it was
easiest and least impact there.
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 6de39808
......@@ -2314,6 +2314,15 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
return RX_DROP_MONITOR;
if (rx->sta) {
/* The security index has the same property as needed
* for the rx_msdu field, i.e. it is IEEE80211_NUM_TIDS
* for non-QoS-data frames. Here we know it's a data
* frame, so count MSDUs.
*/
rx->sta->rx_msdu[rx->security_idx]++;
}
/*
* Send unexpected-4addr-frame event to hostapd. For older versions,
* also drop the frame to cooked monitor interfaces.
......
......@@ -1843,6 +1843,37 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
}
sinfo->filled |= BIT(NL80211_STA_INFO_TID_STATS);
for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++) {
struct cfg80211_tid_stats *tidstats = &sinfo->pertid[i];
if (!(tidstats->filled & BIT(NL80211_TID_STATS_RX_MSDU))) {
tidstats->filled |= BIT(NL80211_TID_STATS_RX_MSDU);
tidstats->rx_msdu = sta->rx_msdu[i];
}
if (!(tidstats->filled & BIT(NL80211_TID_STATS_TX_MSDU))) {
tidstats->filled |= BIT(NL80211_TID_STATS_TX_MSDU);
tidstats->tx_msdu = sta->tx_msdu[i];
}
if (!(tidstats->filled &
BIT(NL80211_TID_STATS_TX_MSDU_RETRIES)) &&
local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
tidstats->filled |=
BIT(NL80211_TID_STATS_TX_MSDU_RETRIES);
tidstats->tx_msdu_retries = sta->tx_msdu_retries[i];
}
if (!(tidstats->filled &
BIT(NL80211_TID_STATS_TX_MSDU_FAILED)) &&
local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
tidstats->filled |=
BIT(NL80211_TID_STATS_TX_MSDU_FAILED);
tidstats->tx_msdu_failed = sta->tx_msdu_failed[i];
}
}
if (ieee80211_vif_is_mesh(&sdata->vif)) {
#ifdef CONFIG_MAC80211_MESH
sinfo->filled |= BIT(NL80211_STA_INFO_LLID) |
......
......@@ -346,6 +346,14 @@ struct ieee80211_tx_latency_stat {
* @cipher_scheme: optional cipher scheme for this station
* @last_tdls_pkt_time: holds the time in jiffies of last TDLS pkt ACKed
* @reserved_tid: reserved TID (if any, otherwise IEEE80211_TID_UNRESERVED)
* @tx_msdu: MSDUs transmitted to this station, using IEEE80211_NUM_TID
* entry for non-QoS frames
* @tx_msdu_retries: MSDU retries for transmissions to to this station,
* using IEEE80211_NUM_TID entry for non-QoS frames
* @tx_msdu_failed: MSDU failures for transmissions to to this station,
* using IEEE80211_NUM_TID entry for non-QoS frames
* @rx_msdu: MSDUs received from this station, using IEEE80211_NUM_TID
* entry for non-QoS frames
*/
struct sta_info {
/* General information, mostly static */
......@@ -416,6 +424,10 @@ struct sta_info {
u32 last_rx_rate_vht_flag;
u8 last_rx_rate_vht_nss;
u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
u64 tx_msdu[IEEE80211_NUM_TIDS + 1];
u64 tx_msdu_retries[IEEE80211_NUM_TIDS + 1];
u64 tx_msdu_failed[IEEE80211_NUM_TIDS + 1];
u64 rx_msdu[IEEE80211_NUM_TIDS + 1];
/*
* Aggregation information, locked with lock.
......
......@@ -730,6 +730,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
struct ieee80211_bar *bar;
int rtap_len;
int shift = 0;
int tid = IEEE80211_NUM_TIDS;;
rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
......@@ -773,7 +774,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
(ieee80211_is_data_qos(fc))) {
u16 tid, ssn;
u16 ssn;
u8 *qc;
qc = ieee80211_get_qos_ctl(hdr);
......@@ -782,10 +783,14 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
& IEEE80211_SCTL_SEQ);
ieee80211_send_bar(&sta->sdata->vif, hdr->addr1,
tid, ssn);
} else if (ieee80211_is_data_qos(fc)) {
u8 *qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
}
if (!acked && ieee80211_is_back_req(fc)) {
u16 tid, control;
u16 control;
/*
* BAR failed, store the last SSN and retry sending
......@@ -813,6 +818,12 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
if (!acked)
sta->tx_retry_failed++;
sta->tx_retry_count += retry_count;
if (ieee80211_is_data_present(fc)) {
if (!acked)
sta->tx_msdu_failed[tid]++;
sta->tx_msdu_retries[tid] += retry_count;
}
}
rate_control_tx_status(local, sband, sta, skb);
......
......@@ -815,6 +815,8 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
/* for pure STA mode without beacons, we can do it */
hdr->seq_ctrl = cpu_to_le16(tx->sdata->sequence_number);
tx->sdata->sequence_number += 0x10;
if (tx->sta)
tx->sta->tx_msdu[IEEE80211_NUM_TIDS]++;
return TX_CONTINUE;
}
......@@ -831,6 +833,7 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
qc = ieee80211_get_qos_ctl(hdr);
tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
seq = &tx->sta->tid_seq[tid];
tx->sta->tx_msdu[tid]++;
hdr->seq_ctrl = cpu_to_le16(*seq);
......
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