From 8c19b3fe6942bba9418042f345a2d8b3a3834d17 Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Sat, 4 Sep 2021 12:16:46 +0200
Subject: [PATCH] mt76: mt7921: remove mcu rate reporting code
Git-commit: 8c19b3fe6942bba9418042f345a2d8b3a3834d17
Patch-mainline: v5.16-rc1
References: bsc#1209980
Remove unused tx rate reporting through mcu tx done event since
now tx status is fully supported
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
.../net/wireless/mediatek/mt76/mt7921/init.c | 1 -
.../net/wireless/mediatek/mt76/mt7921/mac.c | 4 -
.../net/wireless/mediatek/mt76/mt7921/main.c | 4 -
.../net/wireless/mediatek/mt76/mt7921/mcu.c | 140 ------------------
.../net/wireless/mediatek/mt76/mt7921/mcu.h | 47 ------
.../wireless/mediatek/mt76/mt7921/mt7921.h | 2 -
6 files changed, 198 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index 3e84ef8f5358..f94d0f4862c4 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -202,7 +202,6 @@ int mt7921_register_device(struct mt7921_dev *dev)
mutex_init(&dev->pm.mutex);
init_waitqueue_head(&dev->pm.wait);
spin_lock_init(&dev->pm.txq_lock);
- INIT_LIST_HEAD(&dev->phy.stats_list);
INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7921_mac_work);
INIT_DELAYED_WORK(&dev->phy.scan_work, mt7921_scan_work);
INIT_DELAYED_WORK(&dev->coredump.work, mt7921_coredump_work);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 053d44d5ba64..68ab61d4f061 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1105,7 +1105,6 @@ mt7921_mac_tx_free(struct mt7921_dev *dev, struct sk_buff *skb)
*/
if (info & MT_TX_FREE_PAIR) {
struct mt7921_sta *msta;
- struct mt7921_phy *phy;
struct mt76_wcid *wcid;
u16 idx;
@@ -1117,10 +1116,7 @@ mt7921_mac_tx_free(struct mt7921_dev *dev, struct sk_buff *skb)
continue;
msta = container_of(wcid, struct mt7921_sta, wcid);
- phy = msta->vif->phy;
spin_lock_bh(&dev->sta_poll_lock);
- if (list_empty(&msta->stats_list))
- list_add_tail(&msta->stats_list, &phy->stats_list);
if (list_empty(&msta->poll_list))
list_add_tail(&msta->poll_list, &dev->sta_poll_list);
spin_unlock_bh(&dev->sta_poll_lock);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index 874c7c18ad09..8a7b4e78c097 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -264,7 +264,6 @@ static int mt7921_add_interface(struct ieee80211_hw *hw,
idx = MT7921_WTBL_RESERVED - mvif->mt76.idx;
- INIT_LIST_HEAD(&mvif->sta.stats_list);
INIT_LIST_HEAD(&mvif->sta.poll_list);
mvif->sta.wcid.idx = idx;
mvif->sta.wcid.ext_phy = mvif->mt76.band_idx;
@@ -581,7 +580,6 @@ int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
if (idx < 0)
return -ENOSPC;
- INIT_LIST_HEAD(&msta->stats_list);
INIT_LIST_HEAD(&msta->poll_list);
msta->vif = mvif;
msta->wcid.sta = 1;
@@ -657,8 +655,6 @@ void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
spin_lock_bh(&dev->sta_poll_lock);
if (!list_empty(&msta->poll_list))
list_del_init(&msta->poll_list);
- if (!list_empty(&msta->stats_list))
- list_del_init(&msta->stats_list);
spin_unlock_bh(&dev->sta_poll_lock);
mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 9b35b5da3619..f49fc8078125 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -322,101 +322,6 @@ mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
}
-static void
-mt7921_mcu_tx_rate_parse(struct mt76_phy *mphy,
- struct mt7921_mcu_peer_cap *peer,
- struct rate_info *rate, u16 r)
-{
- struct ieee80211_supported_band *sband;
- u16 flags = 0, rate_idx;
- u8 txmode = FIELD_GET(MT_WTBL_RATE_TX_MODE, r);
- u8 gi = 0;
- u8 bw = 0;
- bool cck = false;
-
- memset(rate, 0, sizeof(*rate));
- rate->mcs = FIELD_GET(MT_WTBL_RATE_MCS, r);
- rate->nss = FIELD_GET(MT_WTBL_RATE_NSS, r) + 1;
-
- switch (peer->bw) {
- case IEEE80211_STA_RX_BW_160:
- gi = peer->g16;
- break;
- case IEEE80211_STA_RX_BW_80:
- gi = peer->g8;
- break;
- case IEEE80211_STA_RX_BW_40:
- gi = peer->g4;
- break;
- default:
- gi = peer->g2;
- break;
- }
-
- gi = txmode >= MT_PHY_TYPE_HE_SU ?
- FIELD_GET(MT_WTBL_RATE_HE_GI, gi) :
- FIELD_GET(MT_WTBL_RATE_GI, gi);
-
- switch (txmode) {
- case MT_PHY_TYPE_CCK:
- cck = true;
- fallthrough;
- case MT_PHY_TYPE_OFDM:
- if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
- sband = &mphy->sband_5g.sband;
- else
- sband = &mphy->sband_2g.sband;
-
- rate_idx = FIELD_GET(MT_TX_RATE_IDX, r);
- rate_idx = mt76_get_rate(mphy->dev, sband, rate_idx,
- cck);
- rate->legacy = sband->bitrates[rate_idx].bitrate;
- break;
- case MT_PHY_TYPE_HT:
- case MT_PHY_TYPE_HT_GF:
- flags |= RATE_INFO_FLAGS_MCS;
-
- if (gi)
- flags |= RATE_INFO_FLAGS_SHORT_GI;
- break;
- case MT_PHY_TYPE_VHT:
- flags |= RATE_INFO_FLAGS_VHT_MCS;
-
- if (gi)
- flags |= RATE_INFO_FLAGS_SHORT_GI;
- break;
- case MT_PHY_TYPE_HE_SU:
- case MT_PHY_TYPE_HE_EXT_SU:
- case MT_PHY_TYPE_HE_TB:
- case MT_PHY_TYPE_HE_MU:
- rate->he_gi = gi;
- rate->he_dcm = FIELD_GET(MT_RA_RATE_DCM_EN, r);
-
- flags |= RATE_INFO_FLAGS_HE_MCS;
- break;
- default:
- break;
- }
- rate->flags = flags;
-
- bw = mt7921_mcu_chan_bw(&mphy->chandef) - FIELD_GET(MT_RA_RATE_BW, r);
-
- switch (bw) {
- case IEEE80211_STA_RX_BW_160:
- rate->bw = RATE_INFO_BW_160;
- break;
- case IEEE80211_STA_RX_BW_80:
- rate->bw = RATE_INFO_BW_80;
- break;
- case IEEE80211_STA_RX_BW_40:
- rate->bw = RATE_INFO_BW_40;
- break;
- default:
- rate->bw = RATE_INFO_BW_20;
- break;
- }
-}
-
static void
mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb)
{
@@ -516,48 +421,6 @@ mt7921_mcu_low_power_event(struct mt7921_dev *dev, struct sk_buff *skb)
trace_lp_event(dev, event->state);
}
-static void
-mt7921_mcu_tx_done_event(struct mt7921_dev *dev, struct sk_buff *skb)
-{
- struct mt7921_mcu_tx_done_event *event;
- struct mt7921_sta *msta;
- struct mt7921_phy *mphy = &dev->phy;
- struct mt7921_mcu_peer_cap peer;
- struct ieee80211_sta *sta;
- LIST_HEAD(list);
-
- skb_pull(skb, sizeof(struct mt7921_mcu_rxd));
- event = (struct mt7921_mcu_tx_done_event *)skb->data;
-
- spin_lock_bh(&dev->sta_poll_lock);
- list_splice_init(&mphy->stats_list, &list);
-
- while (!list_empty(&list)) {
- msta = list_first_entry(&list, struct mt7921_sta, stats_list);
- list_del_init(&msta->stats_list);
-
- if (msta->wcid.idx != event->wlan_idx)
- continue;
-
- spin_unlock_bh(&dev->sta_poll_lock);
-
- sta = wcid_to_sta(&msta->wcid);
-
- /* peer config based on IEEE SPEC */
- memset(&peer, 0x0, sizeof(peer));
- peer.bw = event->bw;
- peer.g2 = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20);
- peer.g4 = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40);
- peer.g8 = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80);
- peer.g16 = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160);
- mt7921_mcu_tx_rate_parse(mphy->mt76, &peer,
- &msta->stats.tx_rate,
- le16_to_cpu(event->tx_rate));
- return;
- }
- spin_unlock_bh(&dev->sta_poll_lock);
-}
-
static void
mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb)
{
@@ -584,9 +447,6 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb)
case MCU_EVENT_LP_INFO:
mt7921_mcu_low_power_event(dev, skb);
break;
- case MCU_EVENT_TX_DONE:
- mt7921_mcu_tx_done_event(dev, skb);
- break;
default:
break;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h
index c4fc74991fd4..edc0c73f8c01 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h
@@ -259,25 +259,6 @@ struct mt7921_mcu_ant_id_config {
u8 ant_id[4];
} __packed;
-struct mt7921_mcu_peer_cap {
- struct mt7921_mcu_ant_id_config ant_id_config;
-
- u8 power_offset;
- u8 bw_selector;
- u8 change_bw_rate_n;
- u8 bw;
- u8 spe_idx;
-
- u8 g2;
- u8 g4;
- u8 g8;
- u8 g16;
-
- u8 mmss;
- u8 ampdu_factor;
- u8 rsv[1];
-} __packed;
-
struct mt7921_txpwr_req {
u8 ver;
u8 action;
@@ -293,34 +274,6 @@ struct mt7921_txpwr_event {
struct mt7921_txpwr txpwr;
} __packed;
-struct mt7921_mcu_tx_done_event {
- u8 pid;
- u8 status;
- __le16 seq;
-
- u8 wlan_idx;
- u8 tx_cnt;
- __le16 tx_rate;
-
- u8 flag;
- u8 tid;
- u8 rsp_rate;
- u8 mcs;
-
- u8 bw;
- u8 tx_pwr;
- u8 reason;
- u8 rsv0[1];
-
- __le32 delay;
- __le32 timestamp;
- __le32 applied_flag;
-
- u8 txs[28];
-
- u8 rsv1[32];
-} __packed;
-
enum {
TM_SWITCH_MODE,
TM_SET_AT_CMD,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 26f175ef505e..61fa53af3840 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -84,7 +84,6 @@ struct mt7921_sta {
struct mt7921_vif *vif;
- struct list_head stats_list;
struct list_head poll_list;
u32 airtime_ac[8];
@@ -136,7 +135,6 @@ struct mt7921_phy {
u32 ampdu_ref;
struct mib_stats mib;
- struct list_head stats_list;
u8 sta_work_count;
--
2.35.3