int mt76x2_mac_reset(struct mt76x2_dev *dev, bool hard)
{
static const u8 null_addr[ETH_ALEN] = {};
const u8 *macaddr = dev->mt76.macaddr;
u32 val;
int i, k;
if (!mt76x2_wait_for_mac(dev))
return -ETIMEDOUT;
val = mt76_rr(dev, MT_WPDMA_GLO_CFG);
val &= ~(MT_WPDMA_GLO_CFG_TX_DMA_EN |
MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
MT_WPDMA_GLO_CFG_RX_DMA_EN |
MT_WPDMA_GLO_CFG_RX_DMA_BUSY |
MT_WPDMA_GLO_CFG_DMA_BURST_SIZE);
val |= MT76_SET(MT_WPDMA_GLO_CFG_DMA_BURST_SIZE, 3);
mt76_wr(dev, MT_WPDMA_GLO_CFG, val);
mt76x2_mac_pbf_init(dev);
mt76_write_mac_initvals(dev);
mt76x2_fixup_xtal(dev);
mt76_clear(dev, MT_MAC_SYS_CTRL,
MT_MAC_SYS_CTRL_RESET_CSR |
MT_MAC_SYS_CTRL_RESET_BBP);
if (is_mt7612(dev))
mt76_clear(dev, MT_COEXCFG0, MT_COEXCFG0_COEX_EN);
mt76_set(dev, MT_EXT_CCA_CFG, 0x0000f000);
mt76_clear(dev, MT_TX_ALC_CFG_4, BIT(31));
mt76_wr(dev, MT_RF_BYPASS_0, 0x06000000);
mt76_wr(dev, MT_RF_SETTING_0, 0x08800000);
msleep(5);
mt76_wr(dev, MT_RF_BYPASS_0, 0x00000000);
mt76_wr(dev, MT_MCU_CLOCK_CTL, 0x1401);
mt76_clear(dev, MT_FCE_L2_STUFF, MT_FCE_L2_STUFF_WR_MPDU_LEN_EN);
mt76_wr(dev, MT_MAC_ADDR_DW0, get_unaligned_le32(macaddr));
mt76_wr(dev, MT_MAC_ADDR_DW1, get_unaligned_le16(macaddr + 4));
mt76_wr(dev, MT_MAC_BSSID_DW0, get_unaligned_le32(macaddr));
mt76_wr(dev, MT_MAC_BSSID_DW1, get_unaligned_le16(macaddr + 4) |
MT76_SET(MT_MAC_BSSID_DW1_MBSS_MODE, 3) | /* 8 beacons */
MT_MAC_BSSID_DW1_MBSS_LOCAL_BIT);
/* Fire a pre-TBTT interrupt 8 ms before TBTT */
mt76_rmw_field(dev, MT_INT_TIMER_CFG, MT_INT_TIMER_CFG_PRE_TBTT,
8 << 4);
mt76_wr(dev, MT_INT_TIMER_EN, 0);
mt76_wr(dev, MT_BCN_BYPASS_MASK, 0xffff);
if (!hard)
return 0;
for (i = 0; i < 256; i++)
mt76x2_mac_wcid_setup(dev, i, 0, NULL);
for (i = 0; i < 16; i++)
for (k = 0; k < 4; k++)
mt76x2_mac_shared_key_setup(dev, i, k, NULL);
for (i = 0; i < 8; i++) {
mt76x2_mac_set_bssid(dev, i, null_addr);
mt76x2_mac_set_beacon(dev, i, NULL);
}
for (i = 0; i < 16; i++)
mt76_rr(dev, MT_TX_STAT_FIFO);
mt76_set(dev, MT_MAC_APC_BSSID_H(0), MT_MAC_APC_BSSID0_H_EN);
mt76x2_init_beacon_offsets(dev);
mt76x2_set_tx_ackto(dev);
return 0;
}
static int
mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_vif *vif, struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
struct mt76x2_dev *dev = hw->priv;
struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
struct mt76x2_sta *msta;
struct mt76_wcid *wcid;
int idx = key->keyidx;
int ret;
/* fall back to sw encryption for unsupported ciphers */
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
case WLAN_CIPHER_SUITE_TKIP:
case WLAN_CIPHER_SUITE_CCMP:
break;
default:
return -EOPNOTSUPP;
}
/*
* The hardware does not support per-STA RX GTK, fall back
* to software mode for these.
*/
if ((vif->type == NL80211_IFTYPE_ADHOC ||
vif->type == NL80211_IFTYPE_MESH_POINT) &&
(key->cipher == WLAN_CIPHER_SUITE_TKIP ||
key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
return -EOPNOTSUPP;
msta = sta ? (struct mt76x2_sta *) sta->drv_priv : NULL;
wcid = msta ? &msta->wcid : &mvif->group_wcid;
if (cmd == SET_KEY) {
key->hw_key_idx = wcid->idx;
wcid->hw_key_idx = idx;
if (key->flags & IEEE80211_KEY_FLAG_RX_MGMT) {
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
wcid->sw_iv = true;
}
} else {
if (idx == wcid->hw_key_idx) {
wcid->hw_key_idx = -1;
wcid->sw_iv = true;
}
key = NULL;
}
mt76_wcid_key_setup(&dev->mt76, wcid, key);
if (!msta) {
if (key || wcid->hw_key_idx == idx) {
ret = mt76x2_mac_wcid_set_key(dev, wcid->idx, key);
if (ret)
return ret;
}
return mt76x2_mac_shared_key_setup(dev, mvif->idx, idx, key);
}
return mt76x2_mac_wcid_set_key(dev, msta->wcid.idx, key);
}