diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/mac.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 123 |
1 files changed, 44 insertions, 79 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index a95602473359..bd56cdb022a2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: ISC +// SPDX-License-Identifier: BSD-3-Clause-Clear /* Copyright (C) 2019 MediaTek Inc. * * Author: Ryder Lee <ryder.lee@mediatek.com> @@ -90,10 +90,7 @@ static struct mt76_wcid *mt7615_rx_get_wcid(struct mt7615_dev *dev, struct mt7615_sta *sta; struct mt76_wcid *wcid; - if (idx >= MT7615_WTBL_SIZE) - return NULL; - - wcid = rcu_dereference(dev->mt76.wcid[idx]); + wcid = mt76_wcid_ptr(dev, idx); if (unicast || !wcid) return wcid; @@ -387,10 +384,7 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) struct mt7615_sta *msta; msta = container_of(status->wcid, struct mt7615_sta, wcid); - spin_lock_bh(&dev->sta_poll_lock); - if (list_empty(&msta->poll_list)) - list_add_tail(&msta->poll_list, &dev->sta_poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); } if (mt76_is_mmio(&dev->mt76) && (rxd0 & csum_mask) == csum_mask && @@ -655,11 +649,6 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) return 0; } -void mt7615_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps) -{ -} -EXPORT_SYMBOL_GPL(mt7615_sta_ps); - static u16 mt7615_mac_tx_rate_val(struct mt7615_dev *dev, struct mt76_phy *mphy, @@ -738,7 +727,7 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi, u16 seqno = 0; if (vif) { - struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv; omac_idx = mvif->omac_idx; wmm_idx = mvif->wmm_idx; @@ -910,16 +899,19 @@ void mt7615_mac_sta_poll(struct mt7615_dev *dev) int i; INIT_LIST_HEAD(&sta_poll_list); - spin_lock_bh(&dev->sta_poll_lock); - list_splice_init(&dev->sta_poll_list, &sta_poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); + list_splice_init(&dev->mt76.sta_poll_list, &sta_poll_list); + spin_unlock_bh(&dev->mt76.sta_poll_lock); while (!list_empty(&sta_poll_list)) { bool clear = false; msta = list_first_entry(&sta_poll_list, struct mt7615_sta, - poll_list); - list_del_init(&msta->poll_list); + wcid.poll_list); + + spin_lock_bh(&dev->mt76.sta_poll_lock); + list_del_init(&msta->wcid.poll_list); + spin_unlock_bh(&dev->mt76.sta_poll_lock); addr = mt7615_mac_wtbl_addr(dev, msta->wcid.idx) + 19 * 4; @@ -1193,8 +1185,7 @@ EXPORT_SYMBOL_GPL(mt7615_mac_enable_rtscts); static int mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, struct mt76_wcid *wcid, struct ieee80211_key_conf *key, - enum mt76_cipher_type cipher, u16 cipher_mask, - enum set_key_cmd cmd) + enum mt76_cipher_type cipher, u16 cipher_mask) { u32 addr = mt7615_mac_wtbl_addr(dev, wcid->idx) + 30 * 4; u8 data[32] = {}; @@ -1203,27 +1194,18 @@ mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, struct mt76_wcid *wcid, return -EINVAL; mt76_rr_copy(dev, addr, data, sizeof(data)); - if (cmd == SET_KEY) { - if (cipher == MT_CIPHER_TKIP) { - /* Rx/Tx MIC keys are swapped */ - memcpy(data, key->key, 16); - memcpy(data + 16, key->key + 24, 8); - memcpy(data + 24, key->key + 16, 8); - } else { - if (cipher_mask == BIT(cipher)) - memcpy(data, key->key, key->keylen); - else if (cipher != MT_CIPHER_BIP_CMAC_128) - memcpy(data, key->key, 16); - if (cipher == MT_CIPHER_BIP_CMAC_128) - memcpy(data + 16, key->key, 16); - } + if (cipher == MT_CIPHER_TKIP) { + /* Rx/Tx MIC keys are swapped */ + memcpy(data, key->key, 16); + memcpy(data + 16, key->key + 24, 8); + memcpy(data + 24, key->key + 16, 8); } else { + if (cipher_mask == BIT(cipher)) + memcpy(data, key->key, key->keylen); + else if (cipher != MT_CIPHER_BIP_CMAC_128) + memcpy(data, key->key, 16); if (cipher == MT_CIPHER_BIP_CMAC_128) - memset(data + 16, 0, 16); - else if (cipher_mask) - memset(data, 0, 16); - if (!cipher_mask) - memset(data, 0, sizeof(data)); + memcpy(data + 16, key->key, 16); } mt76_wr_copy(dev, addr, data, sizeof(data)); @@ -1234,7 +1216,7 @@ mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, struct mt76_wcid *wcid, static int mt7615_mac_wtbl_update_pk(struct mt7615_dev *dev, struct mt76_wcid *wcid, enum mt76_cipher_type cipher, u16 cipher_mask, - int keyidx, enum set_key_cmd cmd) + int keyidx) { u32 addr = mt7615_mac_wtbl_addr(dev, wcid->idx), w0, w1; @@ -1253,9 +1235,7 @@ mt7615_mac_wtbl_update_pk(struct mt7615_dev *dev, struct mt76_wcid *wcid, else w0 &= ~MT_WTBL_W0_RX_IK_VALID; - if (cmd == SET_KEY && - (cipher != MT_CIPHER_BIP_CMAC_128 || - cipher_mask == BIT(cipher))) { + if (cipher != MT_CIPHER_BIP_CMAC_128 || cipher_mask == BIT(cipher)) { w0 &= ~MT_WTBL_W0_KEY_IDX; w0 |= FIELD_PREP(MT_WTBL_W0_KEY_IDX, keyidx); } @@ -1272,19 +1252,10 @@ mt7615_mac_wtbl_update_pk(struct mt7615_dev *dev, struct mt76_wcid *wcid, static void mt7615_mac_wtbl_update_cipher(struct mt7615_dev *dev, struct mt76_wcid *wcid, - enum mt76_cipher_type cipher, u16 cipher_mask, - enum set_key_cmd cmd) + enum mt76_cipher_type cipher, u16 cipher_mask) { u32 addr = mt7615_mac_wtbl_addr(dev, wcid->idx); - if (!cipher_mask) { - mt76_clear(dev, addr + 2 * 4, MT_WTBL_W2_KEY_TYPE); - return; - } - - if (cmd != SET_KEY) - return; - if (cipher == MT_CIPHER_BIP_CMAC_128 && cipher_mask & ~BIT(MT_CIPHER_BIP_CMAC_128)) return; @@ -1295,8 +1266,7 @@ mt7615_mac_wtbl_update_cipher(struct mt7615_dev *dev, struct mt76_wcid *wcid, int __mt7615_mac_wtbl_set_key(struct mt7615_dev *dev, struct mt76_wcid *wcid, - struct ieee80211_key_conf *key, - enum set_key_cmd cmd) + struct ieee80211_key_conf *key) { enum mt76_cipher_type cipher; u16 cipher_mask = wcid->cipher; @@ -1306,19 +1276,14 @@ int __mt7615_mac_wtbl_set_key(struct mt7615_dev *dev, if (cipher == MT_CIPHER_NONE) return -EOPNOTSUPP; - if (cmd == SET_KEY) - cipher_mask |= BIT(cipher); - else - cipher_mask &= ~BIT(cipher); - - mt7615_mac_wtbl_update_cipher(dev, wcid, cipher, cipher_mask, cmd); - err = mt7615_mac_wtbl_update_key(dev, wcid, key, cipher, cipher_mask, - cmd); + cipher_mask |= BIT(cipher); + mt7615_mac_wtbl_update_cipher(dev, wcid, cipher, cipher_mask); + err = mt7615_mac_wtbl_update_key(dev, wcid, key, cipher, cipher_mask); if (err < 0) return err; err = mt7615_mac_wtbl_update_pk(dev, wcid, cipher, cipher_mask, - key->keyidx, cmd); + key->keyidx); if (err < 0) return err; @@ -1329,13 +1294,12 @@ int __mt7615_mac_wtbl_set_key(struct mt7615_dev *dev, int mt7615_mac_wtbl_set_key(struct mt7615_dev *dev, struct mt76_wcid *wcid, - struct ieee80211_key_conf *key, - enum set_key_cmd cmd) + struct ieee80211_key_conf *key) { int err; spin_lock_bh(&dev->mt76.lock); - err = __mt7615_mac_wtbl_set_key(dev, wcid, key, cmd); + err = __mt7615_mac_wtbl_set_key(dev, wcid, key); spin_unlock_bh(&dev->mt76.lock); return err; @@ -1537,17 +1501,13 @@ static void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data) rcu_read_lock(); - wcid = rcu_dereference(dev->mt76.wcid[wcidx]); + wcid = mt76_wcid_ptr(dev, wcidx); if (!wcid) goto out; msta = container_of(wcid, struct mt7615_sta, wcid); sta = wcid_to_sta(wcid); - - spin_lock_bh(&dev->sta_poll_lock); - if (list_empty(&msta->poll_list)) - list_add_tail(&msta->poll_list, &dev->sta_poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); if (mt7615_mac_add_txs_skb(dev, msta, pid, txs_data)) goto out; @@ -1558,8 +1518,11 @@ static void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data) if (wcid->phy_idx && dev->mt76.phys[MT_BAND1]) mphy = dev->mt76.phys[MT_BAND1]; - if (mt7615_fill_txs(dev, msta, &info, txs_data)) + if (mt7615_fill_txs(dev, msta, &info, txs_data)) { + spin_lock_bh(&dev->mt76.rx_lock); ieee80211_tx_status_noskb(mphy->hw, sta, &info); + spin_unlock_bh(&dev->mt76.rx_lock); + } out: rcu_read_unlock(); @@ -2380,7 +2343,7 @@ void mt7615_coredump_work(struct work_struct *work) break; skb_pull(skb, sizeof(struct mt7615_mcu_rxd)); - if (data + skb->len - dump > MT76_CONNAC_COREDUMP_SZ) { + if (!dump || data + skb->len - dump > MT76_CONNAC_COREDUMP_SZ) { dev_kfree_skb(skb); continue; } @@ -2390,6 +2353,8 @@ void mt7615_coredump_work(struct work_struct *work) dev_kfree_skb(skb); } - dev_coredumpv(dev->mt76.dev, dump, MT76_CONNAC_COREDUMP_SZ, - GFP_KERNEL); + + if (dump) + dev_coredumpv(dev->mt76.dev, dump, MT76_CONNAC_COREDUMP_SZ, + GFP_KERNEL); } |
