static void mt76_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, u32 changed) { struct mt76_dev *dev = hw->priv; struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv; mutex_lock(&dev->mutex); if (changed & BSS_CHANGED_BSSID) mt76_mac_set_bssid(dev, mvif->idx, info->bssid); if (changed & BSS_CHANGED_BEACON_INT) mt76_rmw_field(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_INTVAL, info->beacon_int << 4); if (changed & BSS_CHANGED_BEACON_ENABLED) { tasklet_disable(&dev->pre_tbtt_tasklet); mt76_mac_set_beacon_enable(dev, mvif->idx, info->enable_beacon); tasklet_enable(&dev->pre_tbtt_tasklet); } if (changed & BSS_CHANGED_ERP_SLOT) { int slottime = info->use_short_slot ? 9 : 20; mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG, MT_BKOFF_SLOT_CFG_SLOTTIME, slottime); } mutex_unlock(&dev->mutex); }
int mt76_mac_reset(struct mt76_dev *dev, bool hard) { static const u8 null_addr[ETH_ALEN] = {}; u32 val; int i, k; if (!mt76_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); mt76_mac_pbf_init(dev); mt76_write_mac_initvals(dev); mt76_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(dev->macaddr)); mt76_wr(dev, MT_MAC_ADDR_DW1, get_unaligned_le16(dev->macaddr + 4)); mt76_wr(dev, MT_MAC_BSSID_DW0, get_unaligned_le32(dev->macaddr)); mt76_wr(dev, MT_MAC_BSSID_DW1, get_unaligned_le16(dev->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++) mt76_mac_wcid_setup(dev, i, 0, NULL); for (i = 0; i < 16; i++) for (k = 0; k < 4; k++) mt76_mac_shared_key_setup(dev, i, k, NULL); for (i = 0; i < 8; i++) { mt76_mac_set_bssid(dev, i, null_addr); mt76_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); mt76_init_beacon_offsets(dev); return 0; }