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wifi: mt76: mt7996: Add MLO support to mt7996_tx_check_aggr()

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Generalize mt7996_tx_check_aggr() and mt7996_txwi_free() routines to
introduce MLO support for MT7996 driver.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-8-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2025-07-04 15:08:12 +02:00 • committed by Felix Fietkau
parent a59650a227
commit 62da647a2b
1 changed files with 21 additions and 23 deletions
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44
drivers/net/wireless/mediatek/mt76/mt7996/mac.c
View file

@ -1129,15 +1129,14 @@ u32 mt7996_wed_init_buf(void *ptr, dma_addr_t phys, int token_id)
}
static void
mt7996_tx_check_aggr(struct ieee80211_sta *sta, struct sk_buff *skb)
mt7996_tx_check_aggr(struct ieee80211_link_sta *link_sta,
struct mt76_wcid *wcid, struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP;
struct mt7996_sta_link *msta_link;
struct mt7996_sta *msta;
u16 fc, tid;
if (!sta || !(sta->deflink.ht_cap.ht_supported || sta->deflink.he_cap.has_he))
if (!(link_sta->ht_cap.ht_supported || link_sta->he_cap.has_he))
return;
tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
@ -1146,7 +1145,8 @@ mt7996_tx_check_aggr(struct ieee80211_sta *sta, struct sk_buff *skb)
if (is_8023) {
fc = IEEE80211_FTYPE_DATA |
(sta->wme ? IEEE80211_STYPE_QOS_DATA : IEEE80211_STYPE_DATA);
(link_sta->sta->wme ? IEEE80211_STYPE_QOS_DATA
: IEEE80211_STYPE_DATA);
} else {
/* No need to get precise TID for Action/Management Frame,
* since it will not meet the following Frame Control
@ -1162,19 +1162,16 @@ mt7996_tx_check_aggr(struct ieee80211_sta *sta, struct sk_buff *skb)
if (unlikely(fc != (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA)))
return;
msta = (struct mt7996_sta *)sta->drv_priv;
msta_link = &msta->deflink;
if (!test_and_set_bit(tid, &msta_link->wcid.ampdu_state))
ieee80211_start_tx_ba_session(sta, tid, 0);
if (!test_and_set_bit(tid, &wcid->ampdu_state))
ieee80211_start_tx_ba_session(link_sta->sta, tid, 0);
}
static void
mt7996_txwi_free(struct mt7996_dev *dev, struct mt76_txwi_cache *t,
struct ieee80211_sta *sta, struct list_head *free_list)
struct ieee80211_link_sta *link_sta,
struct mt76_wcid *wcid, struct list_head *free_list)
{
struct mt76_dev *mdev = &dev->mt76;
struct mt76_wcid *wcid;
__le32 *txwi;
u16 wcid_idx;
@ -1183,12 +1180,10 @@ mt7996_txwi_free(struct mt7996_dev *dev, struct mt76_txwi_cache *t,
goto out;
txwi = (__le32 *)mt76_get_txwi_ptr(mdev, t);
if (sta) {
wcid = (struct mt76_wcid *)sta->drv_priv;
if (link_sta) {
wcid_idx = wcid->idx;
if (likely(t->skb->protocol != cpu_to_be16(ETH_P_PAE)))
mt7996_tx_check_aggr(sta, t->skb);
mt7996_tx_check_aggr(link_sta, wcid, t->skb);
} else {
wcid_idx = le32_get_bits(txwi[9], MT_TXD9_WLAN_IDX);
}
@ -1207,8 +1202,8 @@ mt7996_mac_tx_free(struct mt7996_dev *dev, void *data, int len)
struct mt76_dev *mdev = &dev->mt76;
struct mt76_phy *phy2 = mdev->phys[MT_BAND1];
struct mt76_phy *phy3 = mdev->phys[MT_BAND2];
struct ieee80211_link_sta *link_sta = NULL;
struct mt76_txwi_cache *txwi;
struct ieee80211_sta *sta = NULL;
struct mt76_wcid *wcid = NULL;
LIST_HEAD(free_list);
struct sk_buff *skb, *tmp;
@ -1245,7 +1240,7 @@ mt7996_mac_tx_free(struct mt7996_dev *dev, void *data, int len)
*/
info = le32_to_cpu(*cur_info);
if (info & MT_TXFREE_INFO_PAIR) {
struct mt7996_sta_link *msta_link;
struct ieee80211_sta *sta;
u16 idx;
idx = FIELD_GET(MT_TXFREE_INFO_WLAN_ID, info);
@ -1254,9 +1249,11 @@ mt7996_mac_tx_free(struct mt7996_dev *dev, void *data, int len)
if (!sta)
goto next;
msta_link = container_of(wcid, struct mt7996_sta_link,
wcid);
mt76_wcid_add_poll(&dev->mt76, &msta_link->wcid);
link_sta = rcu_dereference(sta->link[wcid->link_id]);
if (!link_sta)
goto next;
mt76_wcid_add_poll(&dev->mt76, wcid);
next:
/* ver 7 has a new DW with pair = 1, skip it */
if (ver == 7 && ((void *)(cur_info + 1) < end) &&
@ -1289,7 +1286,8 @@ next:
if (!txwi)
continue;
mt7996_txwi_free(dev, txwi, sta, &free_list);
mt7996_txwi_free(dev, txwi, link_sta, wcid,
&free_list);
}
}
@ -1748,7 +1746,7 @@ void mt7996_tx_token_put(struct mt7996_dev *dev)
spin_lock_bh(&dev->mt76.token_lock);
idr_for_each_entry(&dev->mt76.token, txwi, id) {
mt7996_txwi_free(dev, txwi, NULL, NULL);
mt7996_txwi_free(dev, txwi, NULL, NULL, NULL);
dev->mt76.token_count--;
}
spin_unlock_bh(&dev->mt76.token_lock);