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mt76: mt7615: re-enable offloading of sequence number assignment

Browse Source 
Preparation for supporting more offload features

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2020-05-30 17:19:45 +02:00
parent d3c8299852
commit a28bef561a
3 changed files with 40 additions and 8 deletions
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42
drivers/net/wireless/mediatek/mt76/mt7615/mac.c
View File

@ -617,16 +617,19 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
}
val = FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count);
if (ieee80211_is_data_qos(hdr->frame_control)) {
seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
val |= MT_TXD3_SN_VALID;
} else if (ieee80211_is_back_req(hdr->frame_control)) {
struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data;
if (info->flags & IEEE80211_TX_CTL_INJECTED) {
seqno = le16_to_cpu(hdr->seq_ctrl);
seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(bar->start_seq_num));
val |= MT_TXD3_SN_VALID;
if (ieee80211_is_back_req(hdr->frame_control)) {
struct ieee80211_bar *bar;
bar = (struct ieee80211_bar *)skb->data;
seqno = le16_to_cpu(bar->start_seq_num);
}
val |= MT_TXD3_SN_VALID |
FIELD_PREP(MT_TXD3_SEQ, IEEE80211_SEQ_TO_SN(seqno));
}
val |= FIELD_PREP(MT_TXD3_SEQ, seqno);
txwi[3] |= cpu_to_le32(val);
@ -893,6 +896,29 @@ mt7615_mac_queue_rate_update(struct mt7615_phy *phy, struct mt7615_sta *sta,
return 0;
}
u32 mt7615_mac_get_sta_tid_sn(struct mt7615_dev *dev, int wcid, u8 tid)
{
u32 addr, val, val2;
u8 offset;
addr = mt7615_mac_wtbl_addr(dev, wcid) + 11 * 4;
offset = tid * 12;
addr += 4 * (offset / 32);
offset %= 32;
val = mt76_rr(dev, addr);
val >>= (tid % 32);
if (offset > 20) {
addr += 4;
val2 = mt76_rr(dev, addr);
val |= val2 << (32 - offset);
}
return val & GENMASK(11, 0);
}
void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
struct ieee80211_tx_rate *probe_rate,
struct ieee80211_tx_rate *rates)

5
drivers/net/wireless/mediatek/mt76/mt7615/main.c
View File

@ -660,6 +660,9 @@ mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
mtxq->aggr = true;
mtxq->send_bar = false;
mt7615_mcu_add_tx_ba(dev, params, true);
ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
ieee80211_send_bar(vif, sta->addr, tid,
IEEE80211_SN_TO_SEQ(ssn));
break;
case IEEE80211_AMPDU_TX_STOP_FLUSH:
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
@ -667,6 +670,8 @@ mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
mt7615_mcu_add_tx_ba(dev, params, false);
break;
case IEEE80211_AMPDU_TX_START:
ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
params->ssn = ssn;
mtxq->agg_ssn = IEEE80211_SN_TO_SEQ(ssn);
ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
break;

1
drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
View File

@ -516,6 +516,7 @@ int mt7615_mac_wtbl_update_key(struct mt7615_dev *dev,
enum mt7615_cipher_type cipher,
enum set_key_cmd cmd);
void mt7615_mac_reset_work(struct work_struct *work);
u32 mt7615_mac_get_sta_tid_sn(struct mt7615_dev *dev, int wcid, u8 tid);
int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq);
int mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,