162306a36Sopenharmony_ci// SPDX-License-Identifier: ISC 262306a36Sopenharmony_ci 362306a36Sopenharmony_ci#include <linux/etherdevice.h> 462306a36Sopenharmony_ci#include <linux/timekeeping.h> 562306a36Sopenharmony_ci#include "mt7603.h" 662306a36Sopenharmony_ci#include "mac.h" 762306a36Sopenharmony_ci#include "../trace.h" 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#define MT_PSE_PAGE_SIZE 128 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_cistatic u32 1262306a36Sopenharmony_cimt7603_ac_queue_mask0(u32 mask) 1362306a36Sopenharmony_ci{ 1462306a36Sopenharmony_ci u32 ret = 0; 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci ret |= GENMASK(3, 0) * !!(mask & BIT(0)); 1762306a36Sopenharmony_ci ret |= GENMASK(8, 5) * !!(mask & BIT(1)); 1862306a36Sopenharmony_ci ret |= GENMASK(13, 10) * !!(mask & BIT(2)); 1962306a36Sopenharmony_ci ret |= GENMASK(19, 16) * !!(mask & BIT(3)); 2062306a36Sopenharmony_ci return ret; 2162306a36Sopenharmony_ci} 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_cistatic void 2462306a36Sopenharmony_cimt76_stop_tx_ac(struct mt7603_dev *dev, u32 mask) 2562306a36Sopenharmony_ci{ 2662306a36Sopenharmony_ci mt76_set(dev, MT_WF_ARB_TX_STOP_0, mt7603_ac_queue_mask0(mask)); 2762306a36Sopenharmony_ci} 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_cistatic void 3062306a36Sopenharmony_cimt76_start_tx_ac(struct mt7603_dev *dev, u32 mask) 3162306a36Sopenharmony_ci{ 3262306a36Sopenharmony_ci mt76_set(dev, MT_WF_ARB_TX_START_0, mt7603_ac_queue_mask0(mask)); 3362306a36Sopenharmony_ci} 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_civoid mt7603_mac_reset_counters(struct mt7603_dev *dev) 3662306a36Sopenharmony_ci{ 3762306a36Sopenharmony_ci int i; 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ci for (i = 0; i < 2; i++) 4062306a36Sopenharmony_ci mt76_rr(dev, MT_TX_AGG_CNT(i)); 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci memset(dev->mphy.aggr_stats, 0, sizeof(dev->mphy.aggr_stats)); 4362306a36Sopenharmony_ci} 4462306a36Sopenharmony_ci 4562306a36Sopenharmony_civoid mt7603_mac_set_timing(struct mt7603_dev *dev) 4662306a36Sopenharmony_ci{ 4762306a36Sopenharmony_ci u32 cck = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 231) | 4862306a36Sopenharmony_ci FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48); 4962306a36Sopenharmony_ci u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) | 5062306a36Sopenharmony_ci FIELD_PREP(MT_TIMEOUT_VAL_CCA, 24); 5162306a36Sopenharmony_ci int offset = 3 * dev->coverage_class; 5262306a36Sopenharmony_ci u32 reg_offset = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, offset) | 5362306a36Sopenharmony_ci FIELD_PREP(MT_TIMEOUT_VAL_CCA, offset); 5462306a36Sopenharmony_ci bool is_5ghz = dev->mphy.chandef.chan->band == NL80211_BAND_5GHZ; 5562306a36Sopenharmony_ci int sifs; 5662306a36Sopenharmony_ci u32 val; 5762306a36Sopenharmony_ci 5862306a36Sopenharmony_ci if (is_5ghz) 5962306a36Sopenharmony_ci sifs = 16; 6062306a36Sopenharmony_ci else 6162306a36Sopenharmony_ci sifs = 10; 6262306a36Sopenharmony_ci 6362306a36Sopenharmony_ci mt76_set(dev, MT_ARB_SCR, 6462306a36Sopenharmony_ci MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE); 6562306a36Sopenharmony_ci udelay(1); 6662306a36Sopenharmony_ci 6762306a36Sopenharmony_ci mt76_wr(dev, MT_TIMEOUT_CCK, cck + reg_offset); 6862306a36Sopenharmony_ci mt76_wr(dev, MT_TIMEOUT_OFDM, ofdm + reg_offset); 6962306a36Sopenharmony_ci mt76_wr(dev, MT_IFS, 7062306a36Sopenharmony_ci FIELD_PREP(MT_IFS_EIFS, 360) | 7162306a36Sopenharmony_ci FIELD_PREP(MT_IFS_RIFS, 2) | 7262306a36Sopenharmony_ci FIELD_PREP(MT_IFS_SIFS, sifs) | 7362306a36Sopenharmony_ci FIELD_PREP(MT_IFS_SLOT, dev->slottime)); 7462306a36Sopenharmony_ci 7562306a36Sopenharmony_ci if (dev->slottime < 20 || is_5ghz) 7662306a36Sopenharmony_ci val = MT7603_CFEND_RATE_DEFAULT; 7762306a36Sopenharmony_ci else 7862306a36Sopenharmony_ci val = MT7603_CFEND_RATE_11B; 7962306a36Sopenharmony_ci 8062306a36Sopenharmony_ci mt76_rmw_field(dev, MT_AGG_CONTROL, MT_AGG_CONTROL_CFEND_RATE, val); 8162306a36Sopenharmony_ci 8262306a36Sopenharmony_ci mt76_clear(dev, MT_ARB_SCR, 8362306a36Sopenharmony_ci MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE); 8462306a36Sopenharmony_ci} 8562306a36Sopenharmony_ci 8662306a36Sopenharmony_cistatic void 8762306a36Sopenharmony_cimt7603_wtbl_update(struct mt7603_dev *dev, int idx, u32 mask) 8862306a36Sopenharmony_ci{ 8962306a36Sopenharmony_ci mt76_rmw(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_WLAN_IDX, 9062306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, idx) | mask); 9162306a36Sopenharmony_ci 9262306a36Sopenharmony_ci mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000); 9362306a36Sopenharmony_ci} 9462306a36Sopenharmony_ci 9562306a36Sopenharmony_cistatic u32 9662306a36Sopenharmony_cimt7603_wtbl1_addr(int idx) 9762306a36Sopenharmony_ci{ 9862306a36Sopenharmony_ci return MT_WTBL1_BASE + idx * MT_WTBL1_SIZE; 9962306a36Sopenharmony_ci} 10062306a36Sopenharmony_ci 10162306a36Sopenharmony_cistatic u32 10262306a36Sopenharmony_cimt7603_wtbl2_addr(int idx) 10362306a36Sopenharmony_ci{ 10462306a36Sopenharmony_ci /* Mapped to WTBL2 */ 10562306a36Sopenharmony_ci return MT_PCIE_REMAP_BASE_1 + idx * MT_WTBL2_SIZE; 10662306a36Sopenharmony_ci} 10762306a36Sopenharmony_ci 10862306a36Sopenharmony_cistatic u32 10962306a36Sopenharmony_cimt7603_wtbl3_addr(int idx) 11062306a36Sopenharmony_ci{ 11162306a36Sopenharmony_ci u32 base = mt7603_wtbl2_addr(MT7603_WTBL_SIZE); 11262306a36Sopenharmony_ci 11362306a36Sopenharmony_ci return base + idx * MT_WTBL3_SIZE; 11462306a36Sopenharmony_ci} 11562306a36Sopenharmony_ci 11662306a36Sopenharmony_cistatic u32 11762306a36Sopenharmony_cimt7603_wtbl4_addr(int idx) 11862306a36Sopenharmony_ci{ 11962306a36Sopenharmony_ci u32 base = mt7603_wtbl3_addr(MT7603_WTBL_SIZE); 12062306a36Sopenharmony_ci 12162306a36Sopenharmony_ci return base + idx * MT_WTBL4_SIZE; 12262306a36Sopenharmony_ci} 12362306a36Sopenharmony_ci 12462306a36Sopenharmony_civoid mt7603_wtbl_init(struct mt7603_dev *dev, int idx, int vif, 12562306a36Sopenharmony_ci const u8 *mac_addr) 12662306a36Sopenharmony_ci{ 12762306a36Sopenharmony_ci const void *_mac = mac_addr; 12862306a36Sopenharmony_ci u32 addr = mt7603_wtbl1_addr(idx); 12962306a36Sopenharmony_ci u32 w0 = 0, w1 = 0; 13062306a36Sopenharmony_ci int i; 13162306a36Sopenharmony_ci 13262306a36Sopenharmony_ci if (_mac) { 13362306a36Sopenharmony_ci w0 = FIELD_PREP(MT_WTBL1_W0_ADDR_HI, 13462306a36Sopenharmony_ci get_unaligned_le16(_mac + 4)); 13562306a36Sopenharmony_ci w1 = FIELD_PREP(MT_WTBL1_W1_ADDR_LO, 13662306a36Sopenharmony_ci get_unaligned_le32(_mac)); 13762306a36Sopenharmony_ci } 13862306a36Sopenharmony_ci 13962306a36Sopenharmony_ci if (vif < 0) 14062306a36Sopenharmony_ci vif = 0; 14162306a36Sopenharmony_ci else 14262306a36Sopenharmony_ci w0 |= MT_WTBL1_W0_RX_CHECK_A1; 14362306a36Sopenharmony_ci w0 |= FIELD_PREP(MT_WTBL1_W0_MUAR_IDX, vif); 14462306a36Sopenharmony_ci 14562306a36Sopenharmony_ci mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000); 14662306a36Sopenharmony_ci 14762306a36Sopenharmony_ci mt76_set(dev, addr + 0 * 4, w0); 14862306a36Sopenharmony_ci mt76_set(dev, addr + 1 * 4, w1); 14962306a36Sopenharmony_ci mt76_set(dev, addr + 2 * 4, MT_WTBL1_W2_ADMISSION_CONTROL); 15062306a36Sopenharmony_ci 15162306a36Sopenharmony_ci mt76_stop_tx_ac(dev, GENMASK(3, 0)); 15262306a36Sopenharmony_ci addr = mt7603_wtbl2_addr(idx); 15362306a36Sopenharmony_ci for (i = 0; i < MT_WTBL2_SIZE; i += 4) 15462306a36Sopenharmony_ci mt76_wr(dev, addr + i, 0); 15562306a36Sopenharmony_ci mt7603_wtbl_update(dev, idx, MT_WTBL_UPDATE_WTBL2); 15662306a36Sopenharmony_ci mt76_start_tx_ac(dev, GENMASK(3, 0)); 15762306a36Sopenharmony_ci 15862306a36Sopenharmony_ci addr = mt7603_wtbl3_addr(idx); 15962306a36Sopenharmony_ci for (i = 0; i < MT_WTBL3_SIZE; i += 4) 16062306a36Sopenharmony_ci mt76_wr(dev, addr + i, 0); 16162306a36Sopenharmony_ci 16262306a36Sopenharmony_ci addr = mt7603_wtbl4_addr(idx); 16362306a36Sopenharmony_ci for (i = 0; i < MT_WTBL4_SIZE; i += 4) 16462306a36Sopenharmony_ci mt76_wr(dev, addr + i, 0); 16562306a36Sopenharmony_ci 16662306a36Sopenharmony_ci mt7603_wtbl_update(dev, idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 16762306a36Sopenharmony_ci} 16862306a36Sopenharmony_ci 16962306a36Sopenharmony_cistatic void 17062306a36Sopenharmony_cimt7603_wtbl_set_skip_tx(struct mt7603_dev *dev, int idx, bool enabled) 17162306a36Sopenharmony_ci{ 17262306a36Sopenharmony_ci u32 addr = mt7603_wtbl1_addr(idx); 17362306a36Sopenharmony_ci u32 val = mt76_rr(dev, addr + 3 * 4); 17462306a36Sopenharmony_ci 17562306a36Sopenharmony_ci val &= ~MT_WTBL1_W3_SKIP_TX; 17662306a36Sopenharmony_ci val |= enabled * MT_WTBL1_W3_SKIP_TX; 17762306a36Sopenharmony_ci 17862306a36Sopenharmony_ci mt76_wr(dev, addr + 3 * 4, val); 17962306a36Sopenharmony_ci} 18062306a36Sopenharmony_ci 18162306a36Sopenharmony_civoid mt7603_filter_tx(struct mt7603_dev *dev, int mac_idx, int idx, bool abort) 18262306a36Sopenharmony_ci{ 18362306a36Sopenharmony_ci u32 flush_mask; 18462306a36Sopenharmony_ci int i, port, queue; 18562306a36Sopenharmony_ci 18662306a36Sopenharmony_ci if (abort) { 18762306a36Sopenharmony_ci port = 3; /* PSE */ 18862306a36Sopenharmony_ci queue = 8; /* free queue */ 18962306a36Sopenharmony_ci } else { 19062306a36Sopenharmony_ci port = 0; /* HIF */ 19162306a36Sopenharmony_ci queue = 1; /* MCU queue */ 19262306a36Sopenharmony_ci } 19362306a36Sopenharmony_ci 19462306a36Sopenharmony_ci mt7603_wtbl_set_skip_tx(dev, idx, true); 19562306a36Sopenharmony_ci 19662306a36Sopenharmony_ci mt76_wr(dev, MT_TX_ABORT, MT_TX_ABORT_EN | 19762306a36Sopenharmony_ci FIELD_PREP(MT_TX_ABORT_WCID, idx)); 19862306a36Sopenharmony_ci 19962306a36Sopenharmony_ci flush_mask = MT_WF_ARB_TX_FLUSH_AC0 | 20062306a36Sopenharmony_ci MT_WF_ARB_TX_FLUSH_AC1 | 20162306a36Sopenharmony_ci MT_WF_ARB_TX_FLUSH_AC2 | 20262306a36Sopenharmony_ci MT_WF_ARB_TX_FLUSH_AC3; 20362306a36Sopenharmony_ci flush_mask <<= mac_idx; 20462306a36Sopenharmony_ci 20562306a36Sopenharmony_ci mt76_wr(dev, MT_WF_ARB_TX_FLUSH_0, flush_mask); 20662306a36Sopenharmony_ci mt76_poll(dev, MT_WF_ARB_TX_FLUSH_0, flush_mask, 0, 20000); 20762306a36Sopenharmony_ci mt76_wr(dev, MT_WF_ARB_TX_START_0, flush_mask); 20862306a36Sopenharmony_ci 20962306a36Sopenharmony_ci mt76_wr(dev, MT_TX_ABORT, 0); 21062306a36Sopenharmony_ci 21162306a36Sopenharmony_ci for (i = 0; i < 4; i++) { 21262306a36Sopenharmony_ci mt76_wr(dev, MT_DMA_FQCR0, MT_DMA_FQCR0_BUSY | 21362306a36Sopenharmony_ci FIELD_PREP(MT_DMA_FQCR0_TARGET_WCID, idx) | 21462306a36Sopenharmony_ci FIELD_PREP(MT_DMA_FQCR0_TARGET_QID, i) | 21562306a36Sopenharmony_ci FIELD_PREP(MT_DMA_FQCR0_DEST_PORT_ID, port) | 21662306a36Sopenharmony_ci FIELD_PREP(MT_DMA_FQCR0_DEST_QUEUE_ID, queue)); 21762306a36Sopenharmony_ci 21862306a36Sopenharmony_ci mt76_poll(dev, MT_DMA_FQCR0, MT_DMA_FQCR0_BUSY, 0, 5000); 21962306a36Sopenharmony_ci } 22062306a36Sopenharmony_ci 22162306a36Sopenharmony_ci WARN_ON_ONCE(mt76_rr(dev, MT_DMA_FQCR0) & MT_DMA_FQCR0_BUSY); 22262306a36Sopenharmony_ci 22362306a36Sopenharmony_ci mt7603_wtbl_set_skip_tx(dev, idx, false); 22462306a36Sopenharmony_ci} 22562306a36Sopenharmony_ci 22662306a36Sopenharmony_civoid mt7603_wtbl_set_smps(struct mt7603_dev *dev, struct mt7603_sta *sta, 22762306a36Sopenharmony_ci bool enabled) 22862306a36Sopenharmony_ci{ 22962306a36Sopenharmony_ci u32 addr = mt7603_wtbl1_addr(sta->wcid.idx); 23062306a36Sopenharmony_ci 23162306a36Sopenharmony_ci if (sta->smps == enabled) 23262306a36Sopenharmony_ci return; 23362306a36Sopenharmony_ci 23462306a36Sopenharmony_ci mt76_rmw_field(dev, addr + 2 * 4, MT_WTBL1_W2_SMPS, enabled); 23562306a36Sopenharmony_ci sta->smps = enabled; 23662306a36Sopenharmony_ci} 23762306a36Sopenharmony_ci 23862306a36Sopenharmony_civoid mt7603_wtbl_set_ps(struct mt7603_dev *dev, struct mt7603_sta *sta, 23962306a36Sopenharmony_ci bool enabled) 24062306a36Sopenharmony_ci{ 24162306a36Sopenharmony_ci int idx = sta->wcid.idx; 24262306a36Sopenharmony_ci u32 addr; 24362306a36Sopenharmony_ci 24462306a36Sopenharmony_ci spin_lock_bh(&dev->ps_lock); 24562306a36Sopenharmony_ci 24662306a36Sopenharmony_ci if (sta->ps == enabled) 24762306a36Sopenharmony_ci goto out; 24862306a36Sopenharmony_ci 24962306a36Sopenharmony_ci mt76_wr(dev, MT_PSE_RTA, 25062306a36Sopenharmony_ci FIELD_PREP(MT_PSE_RTA_TAG_ID, idx) | 25162306a36Sopenharmony_ci FIELD_PREP(MT_PSE_RTA_PORT_ID, 0) | 25262306a36Sopenharmony_ci FIELD_PREP(MT_PSE_RTA_QUEUE_ID, 1) | 25362306a36Sopenharmony_ci FIELD_PREP(MT_PSE_RTA_REDIRECT_EN, enabled) | 25462306a36Sopenharmony_ci MT_PSE_RTA_WRITE | MT_PSE_RTA_BUSY); 25562306a36Sopenharmony_ci 25662306a36Sopenharmony_ci mt76_poll(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY, 0, 5000); 25762306a36Sopenharmony_ci 25862306a36Sopenharmony_ci if (enabled) 25962306a36Sopenharmony_ci mt7603_filter_tx(dev, sta->vif->idx, idx, false); 26062306a36Sopenharmony_ci 26162306a36Sopenharmony_ci addr = mt7603_wtbl1_addr(idx); 26262306a36Sopenharmony_ci mt76_set(dev, MT_WTBL1_OR, MT_WTBL1_OR_PSM_WRITE); 26362306a36Sopenharmony_ci mt76_rmw(dev, addr + 3 * 4, MT_WTBL1_W3_POWER_SAVE, 26462306a36Sopenharmony_ci enabled * MT_WTBL1_W3_POWER_SAVE); 26562306a36Sopenharmony_ci mt76_clear(dev, MT_WTBL1_OR, MT_WTBL1_OR_PSM_WRITE); 26662306a36Sopenharmony_ci sta->ps = enabled; 26762306a36Sopenharmony_ci 26862306a36Sopenharmony_ciout: 26962306a36Sopenharmony_ci spin_unlock_bh(&dev->ps_lock); 27062306a36Sopenharmony_ci} 27162306a36Sopenharmony_ci 27262306a36Sopenharmony_civoid mt7603_wtbl_clear(struct mt7603_dev *dev, int idx) 27362306a36Sopenharmony_ci{ 27462306a36Sopenharmony_ci int wtbl2_frame_size = MT_PSE_PAGE_SIZE / MT_WTBL2_SIZE; 27562306a36Sopenharmony_ci int wtbl2_frame = idx / wtbl2_frame_size; 27662306a36Sopenharmony_ci int wtbl2_entry = idx % wtbl2_frame_size; 27762306a36Sopenharmony_ci 27862306a36Sopenharmony_ci int wtbl3_base_frame = MT_WTBL3_OFFSET / MT_PSE_PAGE_SIZE; 27962306a36Sopenharmony_ci int wtbl3_frame_size = MT_PSE_PAGE_SIZE / MT_WTBL3_SIZE; 28062306a36Sopenharmony_ci int wtbl3_frame = wtbl3_base_frame + idx / wtbl3_frame_size; 28162306a36Sopenharmony_ci int wtbl3_entry = (idx % wtbl3_frame_size) * 2; 28262306a36Sopenharmony_ci 28362306a36Sopenharmony_ci int wtbl4_base_frame = MT_WTBL4_OFFSET / MT_PSE_PAGE_SIZE; 28462306a36Sopenharmony_ci int wtbl4_frame_size = MT_PSE_PAGE_SIZE / MT_WTBL4_SIZE; 28562306a36Sopenharmony_ci int wtbl4_frame = wtbl4_base_frame + idx / wtbl4_frame_size; 28662306a36Sopenharmony_ci int wtbl4_entry = idx % wtbl4_frame_size; 28762306a36Sopenharmony_ci 28862306a36Sopenharmony_ci u32 addr = MT_WTBL1_BASE + idx * MT_WTBL1_SIZE; 28962306a36Sopenharmony_ci int i; 29062306a36Sopenharmony_ci 29162306a36Sopenharmony_ci mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000); 29262306a36Sopenharmony_ci 29362306a36Sopenharmony_ci mt76_wr(dev, addr + 0 * 4, 29462306a36Sopenharmony_ci MT_WTBL1_W0_RX_CHECK_A1 | 29562306a36Sopenharmony_ci MT_WTBL1_W0_RX_CHECK_A2 | 29662306a36Sopenharmony_ci MT_WTBL1_W0_RX_VALID); 29762306a36Sopenharmony_ci mt76_wr(dev, addr + 1 * 4, 0); 29862306a36Sopenharmony_ci mt76_wr(dev, addr + 2 * 4, 0); 29962306a36Sopenharmony_ci 30062306a36Sopenharmony_ci mt76_set(dev, MT_WTBL1_OR, MT_WTBL1_OR_PSM_WRITE); 30162306a36Sopenharmony_ci 30262306a36Sopenharmony_ci mt76_wr(dev, addr + 3 * 4, 30362306a36Sopenharmony_ci FIELD_PREP(MT_WTBL1_W3_WTBL2_FRAME_ID, wtbl2_frame) | 30462306a36Sopenharmony_ci FIELD_PREP(MT_WTBL1_W3_WTBL2_ENTRY_ID, wtbl2_entry) | 30562306a36Sopenharmony_ci FIELD_PREP(MT_WTBL1_W3_WTBL4_FRAME_ID, wtbl4_frame) | 30662306a36Sopenharmony_ci MT_WTBL1_W3_I_PSM | MT_WTBL1_W3_KEEP_I_PSM); 30762306a36Sopenharmony_ci mt76_wr(dev, addr + 4 * 4, 30862306a36Sopenharmony_ci FIELD_PREP(MT_WTBL1_W4_WTBL3_FRAME_ID, wtbl3_frame) | 30962306a36Sopenharmony_ci FIELD_PREP(MT_WTBL1_W4_WTBL3_ENTRY_ID, wtbl3_entry) | 31062306a36Sopenharmony_ci FIELD_PREP(MT_WTBL1_W4_WTBL4_ENTRY_ID, wtbl4_entry)); 31162306a36Sopenharmony_ci 31262306a36Sopenharmony_ci mt76_clear(dev, MT_WTBL1_OR, MT_WTBL1_OR_PSM_WRITE); 31362306a36Sopenharmony_ci 31462306a36Sopenharmony_ci addr = mt7603_wtbl2_addr(idx); 31562306a36Sopenharmony_ci 31662306a36Sopenharmony_ci /* Clear BA information */ 31762306a36Sopenharmony_ci mt76_wr(dev, addr + (15 * 4), 0); 31862306a36Sopenharmony_ci 31962306a36Sopenharmony_ci mt76_stop_tx_ac(dev, GENMASK(3, 0)); 32062306a36Sopenharmony_ci for (i = 2; i <= 4; i++) 32162306a36Sopenharmony_ci mt76_wr(dev, addr + (i * 4), 0); 32262306a36Sopenharmony_ci mt7603_wtbl_update(dev, idx, MT_WTBL_UPDATE_WTBL2); 32362306a36Sopenharmony_ci mt76_start_tx_ac(dev, GENMASK(3, 0)); 32462306a36Sopenharmony_ci 32562306a36Sopenharmony_ci mt7603_wtbl_update(dev, idx, MT_WTBL_UPDATE_RX_COUNT_CLEAR); 32662306a36Sopenharmony_ci mt7603_wtbl_update(dev, idx, MT_WTBL_UPDATE_TX_COUNT_CLEAR); 32762306a36Sopenharmony_ci mt7603_wtbl_update(dev, idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 32862306a36Sopenharmony_ci} 32962306a36Sopenharmony_ci 33062306a36Sopenharmony_civoid mt7603_wtbl_update_cap(struct mt7603_dev *dev, struct ieee80211_sta *sta) 33162306a36Sopenharmony_ci{ 33262306a36Sopenharmony_ci struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 33362306a36Sopenharmony_ci int idx = msta->wcid.idx; 33462306a36Sopenharmony_ci u8 ampdu_density; 33562306a36Sopenharmony_ci u32 addr; 33662306a36Sopenharmony_ci u32 val; 33762306a36Sopenharmony_ci 33862306a36Sopenharmony_ci addr = mt7603_wtbl1_addr(idx); 33962306a36Sopenharmony_ci 34062306a36Sopenharmony_ci ampdu_density = sta->deflink.ht_cap.ampdu_density; 34162306a36Sopenharmony_ci if (ampdu_density < IEEE80211_HT_MPDU_DENSITY_4) 34262306a36Sopenharmony_ci ampdu_density = IEEE80211_HT_MPDU_DENSITY_4; 34362306a36Sopenharmony_ci 34462306a36Sopenharmony_ci val = mt76_rr(dev, addr + 2 * 4); 34562306a36Sopenharmony_ci val &= MT_WTBL1_W2_KEY_TYPE | MT_WTBL1_W2_ADMISSION_CONTROL; 34662306a36Sopenharmony_ci val |= FIELD_PREP(MT_WTBL1_W2_AMPDU_FACTOR, 34762306a36Sopenharmony_ci sta->deflink.ht_cap.ampdu_factor) | 34862306a36Sopenharmony_ci FIELD_PREP(MT_WTBL1_W2_MPDU_DENSITY, 34962306a36Sopenharmony_ci sta->deflink.ht_cap.ampdu_density) | 35062306a36Sopenharmony_ci MT_WTBL1_W2_TXS_BAF_REPORT; 35162306a36Sopenharmony_ci 35262306a36Sopenharmony_ci if (sta->deflink.ht_cap.cap) 35362306a36Sopenharmony_ci val |= MT_WTBL1_W2_HT; 35462306a36Sopenharmony_ci if (sta->deflink.vht_cap.cap) 35562306a36Sopenharmony_ci val |= MT_WTBL1_W2_VHT; 35662306a36Sopenharmony_ci 35762306a36Sopenharmony_ci mt76_wr(dev, addr + 2 * 4, val); 35862306a36Sopenharmony_ci 35962306a36Sopenharmony_ci addr = mt7603_wtbl2_addr(idx); 36062306a36Sopenharmony_ci val = mt76_rr(dev, addr + 9 * 4); 36162306a36Sopenharmony_ci val &= ~(MT_WTBL2_W9_SHORT_GI_20 | MT_WTBL2_W9_SHORT_GI_40 | 36262306a36Sopenharmony_ci MT_WTBL2_W9_SHORT_GI_80); 36362306a36Sopenharmony_ci if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20) 36462306a36Sopenharmony_ci val |= MT_WTBL2_W9_SHORT_GI_20; 36562306a36Sopenharmony_ci if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40) 36662306a36Sopenharmony_ci val |= MT_WTBL2_W9_SHORT_GI_40; 36762306a36Sopenharmony_ci mt76_wr(dev, addr + 9 * 4, val); 36862306a36Sopenharmony_ci} 36962306a36Sopenharmony_ci 37062306a36Sopenharmony_civoid mt7603_mac_rx_ba_reset(struct mt7603_dev *dev, void *addr, u8 tid) 37162306a36Sopenharmony_ci{ 37262306a36Sopenharmony_ci mt76_wr(dev, MT_BA_CONTROL_0, get_unaligned_le32(addr)); 37362306a36Sopenharmony_ci mt76_wr(dev, MT_BA_CONTROL_1, 37462306a36Sopenharmony_ci (get_unaligned_le16(addr + 4) | 37562306a36Sopenharmony_ci FIELD_PREP(MT_BA_CONTROL_1_TID, tid) | 37662306a36Sopenharmony_ci MT_BA_CONTROL_1_RESET)); 37762306a36Sopenharmony_ci} 37862306a36Sopenharmony_ci 37962306a36Sopenharmony_civoid mt7603_mac_tx_ba_reset(struct mt7603_dev *dev, int wcid, int tid, 38062306a36Sopenharmony_ci int ba_size) 38162306a36Sopenharmony_ci{ 38262306a36Sopenharmony_ci u32 addr = mt7603_wtbl2_addr(wcid); 38362306a36Sopenharmony_ci u32 tid_mask = FIELD_PREP(MT_WTBL2_W15_BA_EN_TIDS, BIT(tid)) | 38462306a36Sopenharmony_ci (MT_WTBL2_W15_BA_WIN_SIZE << 38562306a36Sopenharmony_ci (tid * MT_WTBL2_W15_BA_WIN_SIZE_SHIFT)); 38662306a36Sopenharmony_ci u32 tid_val; 38762306a36Sopenharmony_ci int i; 38862306a36Sopenharmony_ci 38962306a36Sopenharmony_ci if (ba_size < 0) { 39062306a36Sopenharmony_ci /* disable */ 39162306a36Sopenharmony_ci mt76_clear(dev, addr + (15 * 4), tid_mask); 39262306a36Sopenharmony_ci return; 39362306a36Sopenharmony_ci } 39462306a36Sopenharmony_ci 39562306a36Sopenharmony_ci for (i = 7; i > 0; i--) { 39662306a36Sopenharmony_ci if (ba_size >= MT_AGG_SIZE_LIMIT(i)) 39762306a36Sopenharmony_ci break; 39862306a36Sopenharmony_ci } 39962306a36Sopenharmony_ci 40062306a36Sopenharmony_ci tid_val = FIELD_PREP(MT_WTBL2_W15_BA_EN_TIDS, BIT(tid)) | 40162306a36Sopenharmony_ci i << (tid * MT_WTBL2_W15_BA_WIN_SIZE_SHIFT); 40262306a36Sopenharmony_ci 40362306a36Sopenharmony_ci mt76_rmw(dev, addr + (15 * 4), tid_mask, tid_val); 40462306a36Sopenharmony_ci} 40562306a36Sopenharmony_ci 40662306a36Sopenharmony_civoid mt7603_mac_sta_poll(struct mt7603_dev *dev) 40762306a36Sopenharmony_ci{ 40862306a36Sopenharmony_ci static const u8 ac_to_tid[4] = { 40962306a36Sopenharmony_ci [IEEE80211_AC_BE] = 0, 41062306a36Sopenharmony_ci [IEEE80211_AC_BK] = 1, 41162306a36Sopenharmony_ci [IEEE80211_AC_VI] = 4, 41262306a36Sopenharmony_ci [IEEE80211_AC_VO] = 6 41362306a36Sopenharmony_ci }; 41462306a36Sopenharmony_ci struct ieee80211_sta *sta; 41562306a36Sopenharmony_ci struct mt7603_sta *msta; 41662306a36Sopenharmony_ci u32 total_airtime = 0; 41762306a36Sopenharmony_ci u32 airtime[4]; 41862306a36Sopenharmony_ci u32 addr; 41962306a36Sopenharmony_ci int i; 42062306a36Sopenharmony_ci 42162306a36Sopenharmony_ci rcu_read_lock(); 42262306a36Sopenharmony_ci 42362306a36Sopenharmony_ci while (1) { 42462306a36Sopenharmony_ci bool clear = false; 42562306a36Sopenharmony_ci 42662306a36Sopenharmony_ci spin_lock_bh(&dev->mt76.sta_poll_lock); 42762306a36Sopenharmony_ci if (list_empty(&dev->mt76.sta_poll_list)) { 42862306a36Sopenharmony_ci spin_unlock_bh(&dev->mt76.sta_poll_lock); 42962306a36Sopenharmony_ci break; 43062306a36Sopenharmony_ci } 43162306a36Sopenharmony_ci 43262306a36Sopenharmony_ci msta = list_first_entry(&dev->mt76.sta_poll_list, 43362306a36Sopenharmony_ci struct mt7603_sta, wcid.poll_list); 43462306a36Sopenharmony_ci list_del_init(&msta->wcid.poll_list); 43562306a36Sopenharmony_ci spin_unlock_bh(&dev->mt76.sta_poll_lock); 43662306a36Sopenharmony_ci 43762306a36Sopenharmony_ci addr = mt7603_wtbl4_addr(msta->wcid.idx); 43862306a36Sopenharmony_ci for (i = 0; i < 4; i++) { 43962306a36Sopenharmony_ci u32 airtime_last = msta->tx_airtime_ac[i]; 44062306a36Sopenharmony_ci 44162306a36Sopenharmony_ci msta->tx_airtime_ac[i] = mt76_rr(dev, addr + i * 8); 44262306a36Sopenharmony_ci airtime[i] = msta->tx_airtime_ac[i] - airtime_last; 44362306a36Sopenharmony_ci airtime[i] *= 32; 44462306a36Sopenharmony_ci total_airtime += airtime[i]; 44562306a36Sopenharmony_ci 44662306a36Sopenharmony_ci if (msta->tx_airtime_ac[i] & BIT(22)) 44762306a36Sopenharmony_ci clear = true; 44862306a36Sopenharmony_ci } 44962306a36Sopenharmony_ci 45062306a36Sopenharmony_ci if (clear) { 45162306a36Sopenharmony_ci mt7603_wtbl_update(dev, msta->wcid.idx, 45262306a36Sopenharmony_ci MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 45362306a36Sopenharmony_ci memset(msta->tx_airtime_ac, 0, 45462306a36Sopenharmony_ci sizeof(msta->tx_airtime_ac)); 45562306a36Sopenharmony_ci } 45662306a36Sopenharmony_ci 45762306a36Sopenharmony_ci if (!msta->wcid.sta) 45862306a36Sopenharmony_ci continue; 45962306a36Sopenharmony_ci 46062306a36Sopenharmony_ci sta = container_of((void *)msta, struct ieee80211_sta, drv_priv); 46162306a36Sopenharmony_ci for (i = 0; i < 4; i++) { 46262306a36Sopenharmony_ci struct mt76_queue *q = dev->mphy.q_tx[i]; 46362306a36Sopenharmony_ci u8 qidx = q->hw_idx; 46462306a36Sopenharmony_ci u8 tid = ac_to_tid[i]; 46562306a36Sopenharmony_ci u32 txtime = airtime[qidx]; 46662306a36Sopenharmony_ci 46762306a36Sopenharmony_ci if (!txtime) 46862306a36Sopenharmony_ci continue; 46962306a36Sopenharmony_ci 47062306a36Sopenharmony_ci ieee80211_sta_register_airtime(sta, tid, txtime, 0); 47162306a36Sopenharmony_ci } 47262306a36Sopenharmony_ci } 47362306a36Sopenharmony_ci 47462306a36Sopenharmony_ci rcu_read_unlock(); 47562306a36Sopenharmony_ci 47662306a36Sopenharmony_ci if (!total_airtime) 47762306a36Sopenharmony_ci return; 47862306a36Sopenharmony_ci 47962306a36Sopenharmony_ci spin_lock_bh(&dev->mt76.cc_lock); 48062306a36Sopenharmony_ci dev->mphy.chan_state->cc_tx += total_airtime; 48162306a36Sopenharmony_ci spin_unlock_bh(&dev->mt76.cc_lock); 48262306a36Sopenharmony_ci} 48362306a36Sopenharmony_ci 48462306a36Sopenharmony_cistatic struct mt76_wcid * 48562306a36Sopenharmony_cimt7603_rx_get_wcid(struct mt7603_dev *dev, u8 idx, bool unicast) 48662306a36Sopenharmony_ci{ 48762306a36Sopenharmony_ci struct mt7603_sta *sta; 48862306a36Sopenharmony_ci struct mt76_wcid *wcid; 48962306a36Sopenharmony_ci 49062306a36Sopenharmony_ci if (idx >= MT7603_WTBL_SIZE) 49162306a36Sopenharmony_ci return NULL; 49262306a36Sopenharmony_ci 49362306a36Sopenharmony_ci wcid = rcu_dereference(dev->mt76.wcid[idx]); 49462306a36Sopenharmony_ci if (unicast || !wcid) 49562306a36Sopenharmony_ci return wcid; 49662306a36Sopenharmony_ci 49762306a36Sopenharmony_ci if (!wcid->sta) 49862306a36Sopenharmony_ci return NULL; 49962306a36Sopenharmony_ci 50062306a36Sopenharmony_ci sta = container_of(wcid, struct mt7603_sta, wcid); 50162306a36Sopenharmony_ci if (!sta->vif) 50262306a36Sopenharmony_ci return NULL; 50362306a36Sopenharmony_ci 50462306a36Sopenharmony_ci return &sta->vif->sta.wcid; 50562306a36Sopenharmony_ci} 50662306a36Sopenharmony_ci 50762306a36Sopenharmony_ciint 50862306a36Sopenharmony_cimt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb) 50962306a36Sopenharmony_ci{ 51062306a36Sopenharmony_ci struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; 51162306a36Sopenharmony_ci struct ieee80211_supported_band *sband; 51262306a36Sopenharmony_ci struct ieee80211_hdr *hdr; 51362306a36Sopenharmony_ci __le32 *rxd = (__le32 *)skb->data; 51462306a36Sopenharmony_ci u32 rxd0 = le32_to_cpu(rxd[0]); 51562306a36Sopenharmony_ci u32 rxd1 = le32_to_cpu(rxd[1]); 51662306a36Sopenharmony_ci u32 rxd2 = le32_to_cpu(rxd[2]); 51762306a36Sopenharmony_ci bool unicast = rxd1 & MT_RXD1_NORMAL_U2M; 51862306a36Sopenharmony_ci bool insert_ccmp_hdr = false; 51962306a36Sopenharmony_ci bool remove_pad; 52062306a36Sopenharmony_ci int idx; 52162306a36Sopenharmony_ci int i; 52262306a36Sopenharmony_ci 52362306a36Sopenharmony_ci memset(status, 0, sizeof(*status)); 52462306a36Sopenharmony_ci 52562306a36Sopenharmony_ci i = FIELD_GET(MT_RXD1_NORMAL_CH_FREQ, rxd1); 52662306a36Sopenharmony_ci sband = (i & 1) ? &dev->mphy.sband_5g.sband : &dev->mphy.sband_2g.sband; 52762306a36Sopenharmony_ci i >>= 1; 52862306a36Sopenharmony_ci 52962306a36Sopenharmony_ci idx = FIELD_GET(MT_RXD2_NORMAL_WLAN_IDX, rxd2); 53062306a36Sopenharmony_ci status->wcid = mt7603_rx_get_wcid(dev, idx, unicast); 53162306a36Sopenharmony_ci 53262306a36Sopenharmony_ci status->band = sband->band; 53362306a36Sopenharmony_ci if (i < sband->n_channels) 53462306a36Sopenharmony_ci status->freq = sband->channels[i].center_freq; 53562306a36Sopenharmony_ci 53662306a36Sopenharmony_ci if (rxd2 & MT_RXD2_NORMAL_FCS_ERR) 53762306a36Sopenharmony_ci status->flag |= RX_FLAG_FAILED_FCS_CRC; 53862306a36Sopenharmony_ci 53962306a36Sopenharmony_ci if (rxd2 & MT_RXD2_NORMAL_TKIP_MIC_ERR) 54062306a36Sopenharmony_ci status->flag |= RX_FLAG_MMIC_ERROR; 54162306a36Sopenharmony_ci 54262306a36Sopenharmony_ci /* ICV error or CCMP/BIP/WPI MIC error */ 54362306a36Sopenharmony_ci if (rxd2 & MT_RXD2_NORMAL_ICV_ERR) 54462306a36Sopenharmony_ci status->flag |= RX_FLAG_ONLY_MONITOR; 54562306a36Sopenharmony_ci 54662306a36Sopenharmony_ci if (FIELD_GET(MT_RXD2_NORMAL_SEC_MODE, rxd2) != 0 && 54762306a36Sopenharmony_ci !(rxd2 & (MT_RXD2_NORMAL_CLM | MT_RXD2_NORMAL_CM))) { 54862306a36Sopenharmony_ci status->flag |= RX_FLAG_DECRYPTED; 54962306a36Sopenharmony_ci status->flag |= RX_FLAG_IV_STRIPPED; 55062306a36Sopenharmony_ci status->flag |= RX_FLAG_MMIC_STRIPPED | RX_FLAG_MIC_STRIPPED; 55162306a36Sopenharmony_ci } 55262306a36Sopenharmony_ci 55362306a36Sopenharmony_ci remove_pad = rxd1 & MT_RXD1_NORMAL_HDR_OFFSET; 55462306a36Sopenharmony_ci 55562306a36Sopenharmony_ci if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR) 55662306a36Sopenharmony_ci return -EINVAL; 55762306a36Sopenharmony_ci 55862306a36Sopenharmony_ci if (!sband->channels) 55962306a36Sopenharmony_ci return -EINVAL; 56062306a36Sopenharmony_ci 56162306a36Sopenharmony_ci rxd += 4; 56262306a36Sopenharmony_ci if (rxd0 & MT_RXD0_NORMAL_GROUP_4) { 56362306a36Sopenharmony_ci rxd += 4; 56462306a36Sopenharmony_ci if ((u8 *)rxd - skb->data >= skb->len) 56562306a36Sopenharmony_ci return -EINVAL; 56662306a36Sopenharmony_ci } 56762306a36Sopenharmony_ci if (rxd0 & MT_RXD0_NORMAL_GROUP_1) { 56862306a36Sopenharmony_ci u8 *data = (u8 *)rxd; 56962306a36Sopenharmony_ci 57062306a36Sopenharmony_ci if (status->flag & RX_FLAG_DECRYPTED) { 57162306a36Sopenharmony_ci switch (FIELD_GET(MT_RXD2_NORMAL_SEC_MODE, rxd2)) { 57262306a36Sopenharmony_ci case MT_CIPHER_AES_CCMP: 57362306a36Sopenharmony_ci case MT_CIPHER_CCMP_CCX: 57462306a36Sopenharmony_ci case MT_CIPHER_CCMP_256: 57562306a36Sopenharmony_ci insert_ccmp_hdr = 57662306a36Sopenharmony_ci FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2); 57762306a36Sopenharmony_ci fallthrough; 57862306a36Sopenharmony_ci case MT_CIPHER_TKIP: 57962306a36Sopenharmony_ci case MT_CIPHER_TKIP_NO_MIC: 58062306a36Sopenharmony_ci case MT_CIPHER_GCMP: 58162306a36Sopenharmony_ci case MT_CIPHER_GCMP_256: 58262306a36Sopenharmony_ci status->iv[0] = data[5]; 58362306a36Sopenharmony_ci status->iv[1] = data[4]; 58462306a36Sopenharmony_ci status->iv[2] = data[3]; 58562306a36Sopenharmony_ci status->iv[3] = data[2]; 58662306a36Sopenharmony_ci status->iv[4] = data[1]; 58762306a36Sopenharmony_ci status->iv[5] = data[0]; 58862306a36Sopenharmony_ci break; 58962306a36Sopenharmony_ci default: 59062306a36Sopenharmony_ci break; 59162306a36Sopenharmony_ci } 59262306a36Sopenharmony_ci } 59362306a36Sopenharmony_ci 59462306a36Sopenharmony_ci rxd += 4; 59562306a36Sopenharmony_ci if ((u8 *)rxd - skb->data >= skb->len) 59662306a36Sopenharmony_ci return -EINVAL; 59762306a36Sopenharmony_ci } 59862306a36Sopenharmony_ci if (rxd0 & MT_RXD0_NORMAL_GROUP_2) { 59962306a36Sopenharmony_ci status->timestamp = le32_to_cpu(rxd[0]); 60062306a36Sopenharmony_ci status->flag |= RX_FLAG_MACTIME_START; 60162306a36Sopenharmony_ci 60262306a36Sopenharmony_ci if (!(rxd2 & (MT_RXD2_NORMAL_NON_AMPDU_SUB | 60362306a36Sopenharmony_ci MT_RXD2_NORMAL_NON_AMPDU))) { 60462306a36Sopenharmony_ci status->flag |= RX_FLAG_AMPDU_DETAILS; 60562306a36Sopenharmony_ci 60662306a36Sopenharmony_ci /* all subframes of an A-MPDU have the same timestamp */ 60762306a36Sopenharmony_ci if (dev->rx_ampdu_ts != status->timestamp) { 60862306a36Sopenharmony_ci if (!++dev->ampdu_ref) 60962306a36Sopenharmony_ci dev->ampdu_ref++; 61062306a36Sopenharmony_ci } 61162306a36Sopenharmony_ci dev->rx_ampdu_ts = status->timestamp; 61262306a36Sopenharmony_ci 61362306a36Sopenharmony_ci status->ampdu_ref = dev->ampdu_ref; 61462306a36Sopenharmony_ci } 61562306a36Sopenharmony_ci 61662306a36Sopenharmony_ci rxd += 2; 61762306a36Sopenharmony_ci if ((u8 *)rxd - skb->data >= skb->len) 61862306a36Sopenharmony_ci return -EINVAL; 61962306a36Sopenharmony_ci } 62062306a36Sopenharmony_ci if (rxd0 & MT_RXD0_NORMAL_GROUP_3) { 62162306a36Sopenharmony_ci u32 rxdg0 = le32_to_cpu(rxd[0]); 62262306a36Sopenharmony_ci u32 rxdg3 = le32_to_cpu(rxd[3]); 62362306a36Sopenharmony_ci bool cck = false; 62462306a36Sopenharmony_ci 62562306a36Sopenharmony_ci i = FIELD_GET(MT_RXV1_TX_RATE, rxdg0); 62662306a36Sopenharmony_ci switch (FIELD_GET(MT_RXV1_TX_MODE, rxdg0)) { 62762306a36Sopenharmony_ci case MT_PHY_TYPE_CCK: 62862306a36Sopenharmony_ci cck = true; 62962306a36Sopenharmony_ci fallthrough; 63062306a36Sopenharmony_ci case MT_PHY_TYPE_OFDM: 63162306a36Sopenharmony_ci i = mt76_get_rate(&dev->mt76, sband, i, cck); 63262306a36Sopenharmony_ci break; 63362306a36Sopenharmony_ci case MT_PHY_TYPE_HT_GF: 63462306a36Sopenharmony_ci case MT_PHY_TYPE_HT: 63562306a36Sopenharmony_ci status->encoding = RX_ENC_HT; 63662306a36Sopenharmony_ci if (i > 15) 63762306a36Sopenharmony_ci return -EINVAL; 63862306a36Sopenharmony_ci break; 63962306a36Sopenharmony_ci default: 64062306a36Sopenharmony_ci return -EINVAL; 64162306a36Sopenharmony_ci } 64262306a36Sopenharmony_ci 64362306a36Sopenharmony_ci if (rxdg0 & MT_RXV1_HT_SHORT_GI) 64462306a36Sopenharmony_ci status->enc_flags |= RX_ENC_FLAG_SHORT_GI; 64562306a36Sopenharmony_ci if (rxdg0 & MT_RXV1_HT_AD_CODE) 64662306a36Sopenharmony_ci status->enc_flags |= RX_ENC_FLAG_LDPC; 64762306a36Sopenharmony_ci 64862306a36Sopenharmony_ci status->enc_flags |= RX_ENC_FLAG_STBC_MASK * 64962306a36Sopenharmony_ci FIELD_GET(MT_RXV1_HT_STBC, rxdg0); 65062306a36Sopenharmony_ci 65162306a36Sopenharmony_ci status->rate_idx = i; 65262306a36Sopenharmony_ci 65362306a36Sopenharmony_ci status->chains = dev->mphy.antenna_mask; 65462306a36Sopenharmony_ci status->chain_signal[0] = FIELD_GET(MT_RXV4_IB_RSSI0, rxdg3) + 65562306a36Sopenharmony_ci dev->rssi_offset[0]; 65662306a36Sopenharmony_ci status->chain_signal[1] = FIELD_GET(MT_RXV4_IB_RSSI1, rxdg3) + 65762306a36Sopenharmony_ci dev->rssi_offset[1]; 65862306a36Sopenharmony_ci 65962306a36Sopenharmony_ci if (FIELD_GET(MT_RXV1_FRAME_MODE, rxdg0) == 1) 66062306a36Sopenharmony_ci status->bw = RATE_INFO_BW_40; 66162306a36Sopenharmony_ci 66262306a36Sopenharmony_ci rxd += 6; 66362306a36Sopenharmony_ci if ((u8 *)rxd - skb->data >= skb->len) 66462306a36Sopenharmony_ci return -EINVAL; 66562306a36Sopenharmony_ci } else { 66662306a36Sopenharmony_ci return -EINVAL; 66762306a36Sopenharmony_ci } 66862306a36Sopenharmony_ci 66962306a36Sopenharmony_ci skb_pull(skb, (u8 *)rxd - skb->data + 2 * remove_pad); 67062306a36Sopenharmony_ci 67162306a36Sopenharmony_ci if (insert_ccmp_hdr) { 67262306a36Sopenharmony_ci u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1); 67362306a36Sopenharmony_ci 67462306a36Sopenharmony_ci mt76_insert_ccmp_hdr(skb, key_id); 67562306a36Sopenharmony_ci } 67662306a36Sopenharmony_ci 67762306a36Sopenharmony_ci hdr = (struct ieee80211_hdr *)skb->data; 67862306a36Sopenharmony_ci if (!status->wcid || !ieee80211_is_data_qos(hdr->frame_control)) 67962306a36Sopenharmony_ci return 0; 68062306a36Sopenharmony_ci 68162306a36Sopenharmony_ci status->aggr = unicast && 68262306a36Sopenharmony_ci !ieee80211_is_qos_nullfunc(hdr->frame_control); 68362306a36Sopenharmony_ci status->qos_ctl = *ieee80211_get_qos_ctl(hdr); 68462306a36Sopenharmony_ci status->seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); 68562306a36Sopenharmony_ci 68662306a36Sopenharmony_ci return 0; 68762306a36Sopenharmony_ci} 68862306a36Sopenharmony_ci 68962306a36Sopenharmony_cistatic u16 69062306a36Sopenharmony_cimt7603_mac_tx_rate_val(struct mt7603_dev *dev, 69162306a36Sopenharmony_ci const struct ieee80211_tx_rate *rate, bool stbc, u8 *bw) 69262306a36Sopenharmony_ci{ 69362306a36Sopenharmony_ci u8 phy, nss, rate_idx; 69462306a36Sopenharmony_ci u16 rateval; 69562306a36Sopenharmony_ci 69662306a36Sopenharmony_ci *bw = 0; 69762306a36Sopenharmony_ci if (rate->flags & IEEE80211_TX_RC_MCS) { 69862306a36Sopenharmony_ci rate_idx = rate->idx; 69962306a36Sopenharmony_ci nss = 1 + (rate->idx >> 3); 70062306a36Sopenharmony_ci phy = MT_PHY_TYPE_HT; 70162306a36Sopenharmony_ci if (rate->flags & IEEE80211_TX_RC_GREEN_FIELD) 70262306a36Sopenharmony_ci phy = MT_PHY_TYPE_HT_GF; 70362306a36Sopenharmony_ci if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 70462306a36Sopenharmony_ci *bw = 1; 70562306a36Sopenharmony_ci } else { 70662306a36Sopenharmony_ci const struct ieee80211_rate *r; 70762306a36Sopenharmony_ci int band = dev->mphy.chandef.chan->band; 70862306a36Sopenharmony_ci u16 val; 70962306a36Sopenharmony_ci 71062306a36Sopenharmony_ci nss = 1; 71162306a36Sopenharmony_ci r = &mt76_hw(dev)->wiphy->bands[band]->bitrates[rate->idx]; 71262306a36Sopenharmony_ci if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) 71362306a36Sopenharmony_ci val = r->hw_value_short; 71462306a36Sopenharmony_ci else 71562306a36Sopenharmony_ci val = r->hw_value; 71662306a36Sopenharmony_ci 71762306a36Sopenharmony_ci phy = val >> 8; 71862306a36Sopenharmony_ci rate_idx = val & 0xff; 71962306a36Sopenharmony_ci } 72062306a36Sopenharmony_ci 72162306a36Sopenharmony_ci rateval = (FIELD_PREP(MT_TX_RATE_IDX, rate_idx) | 72262306a36Sopenharmony_ci FIELD_PREP(MT_TX_RATE_MODE, phy)); 72362306a36Sopenharmony_ci 72462306a36Sopenharmony_ci if (stbc && nss == 1) 72562306a36Sopenharmony_ci rateval |= MT_TX_RATE_STBC; 72662306a36Sopenharmony_ci 72762306a36Sopenharmony_ci return rateval; 72862306a36Sopenharmony_ci} 72962306a36Sopenharmony_ci 73062306a36Sopenharmony_civoid mt7603_wtbl_set_rates(struct mt7603_dev *dev, struct mt7603_sta *sta, 73162306a36Sopenharmony_ci struct ieee80211_tx_rate *probe_rate, 73262306a36Sopenharmony_ci struct ieee80211_tx_rate *rates) 73362306a36Sopenharmony_ci{ 73462306a36Sopenharmony_ci struct ieee80211_tx_rate *ref; 73562306a36Sopenharmony_ci int wcid = sta->wcid.idx; 73662306a36Sopenharmony_ci u32 addr = mt7603_wtbl2_addr(wcid); 73762306a36Sopenharmony_ci bool stbc = false; 73862306a36Sopenharmony_ci int n_rates = sta->n_rates; 73962306a36Sopenharmony_ci u8 bw, bw_prev, bw_idx = 0; 74062306a36Sopenharmony_ci u16 val[4]; 74162306a36Sopenharmony_ci u16 probe_val; 74262306a36Sopenharmony_ci u32 w9 = mt76_rr(dev, addr + 9 * 4); 74362306a36Sopenharmony_ci bool rateset; 74462306a36Sopenharmony_ci int i, k; 74562306a36Sopenharmony_ci 74662306a36Sopenharmony_ci if (!mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000)) 74762306a36Sopenharmony_ci return; 74862306a36Sopenharmony_ci 74962306a36Sopenharmony_ci for (i = n_rates; i < 4; i++) 75062306a36Sopenharmony_ci rates[i] = rates[n_rates - 1]; 75162306a36Sopenharmony_ci 75262306a36Sopenharmony_ci rateset = !(sta->rate_set_tsf & BIT(0)); 75362306a36Sopenharmony_ci memcpy(sta->rateset[rateset].rates, rates, 75462306a36Sopenharmony_ci sizeof(sta->rateset[rateset].rates)); 75562306a36Sopenharmony_ci if (probe_rate) { 75662306a36Sopenharmony_ci sta->rateset[rateset].probe_rate = *probe_rate; 75762306a36Sopenharmony_ci ref = &sta->rateset[rateset].probe_rate; 75862306a36Sopenharmony_ci } else { 75962306a36Sopenharmony_ci sta->rateset[rateset].probe_rate.idx = -1; 76062306a36Sopenharmony_ci ref = &sta->rateset[rateset].rates[0]; 76162306a36Sopenharmony_ci } 76262306a36Sopenharmony_ci 76362306a36Sopenharmony_ci rates = sta->rateset[rateset].rates; 76462306a36Sopenharmony_ci for (i = 0; i < ARRAY_SIZE(sta->rateset[rateset].rates); i++) { 76562306a36Sopenharmony_ci /* 76662306a36Sopenharmony_ci * We don't support switching between short and long GI 76762306a36Sopenharmony_ci * within the rate set. For accurate tx status reporting, we 76862306a36Sopenharmony_ci * need to make sure that flags match. 76962306a36Sopenharmony_ci * For improved performance, avoid duplicate entries by 77062306a36Sopenharmony_ci * decrementing the MCS index if necessary 77162306a36Sopenharmony_ci */ 77262306a36Sopenharmony_ci if ((ref->flags ^ rates[i].flags) & IEEE80211_TX_RC_SHORT_GI) 77362306a36Sopenharmony_ci rates[i].flags ^= IEEE80211_TX_RC_SHORT_GI; 77462306a36Sopenharmony_ci 77562306a36Sopenharmony_ci for (k = 0; k < i; k++) { 77662306a36Sopenharmony_ci if (rates[i].idx != rates[k].idx) 77762306a36Sopenharmony_ci continue; 77862306a36Sopenharmony_ci if ((rates[i].flags ^ rates[k].flags) & 77962306a36Sopenharmony_ci IEEE80211_TX_RC_40_MHZ_WIDTH) 78062306a36Sopenharmony_ci continue; 78162306a36Sopenharmony_ci 78262306a36Sopenharmony_ci if (!rates[i].idx) 78362306a36Sopenharmony_ci continue; 78462306a36Sopenharmony_ci 78562306a36Sopenharmony_ci rates[i].idx--; 78662306a36Sopenharmony_ci } 78762306a36Sopenharmony_ci } 78862306a36Sopenharmony_ci 78962306a36Sopenharmony_ci w9 &= MT_WTBL2_W9_SHORT_GI_20 | MT_WTBL2_W9_SHORT_GI_40 | 79062306a36Sopenharmony_ci MT_WTBL2_W9_SHORT_GI_80; 79162306a36Sopenharmony_ci 79262306a36Sopenharmony_ci val[0] = mt7603_mac_tx_rate_val(dev, &rates[0], stbc, &bw); 79362306a36Sopenharmony_ci bw_prev = bw; 79462306a36Sopenharmony_ci 79562306a36Sopenharmony_ci if (probe_rate) { 79662306a36Sopenharmony_ci probe_val = mt7603_mac_tx_rate_val(dev, probe_rate, stbc, &bw); 79762306a36Sopenharmony_ci if (bw) 79862306a36Sopenharmony_ci bw_idx = 1; 79962306a36Sopenharmony_ci else 80062306a36Sopenharmony_ci bw_prev = 0; 80162306a36Sopenharmony_ci } else { 80262306a36Sopenharmony_ci probe_val = val[0]; 80362306a36Sopenharmony_ci } 80462306a36Sopenharmony_ci 80562306a36Sopenharmony_ci w9 |= FIELD_PREP(MT_WTBL2_W9_CC_BW_SEL, bw); 80662306a36Sopenharmony_ci w9 |= FIELD_PREP(MT_WTBL2_W9_BW_CAP, bw); 80762306a36Sopenharmony_ci 80862306a36Sopenharmony_ci val[1] = mt7603_mac_tx_rate_val(dev, &rates[1], stbc, &bw); 80962306a36Sopenharmony_ci if (bw_prev) { 81062306a36Sopenharmony_ci bw_idx = 3; 81162306a36Sopenharmony_ci bw_prev = bw; 81262306a36Sopenharmony_ci } 81362306a36Sopenharmony_ci 81462306a36Sopenharmony_ci val[2] = mt7603_mac_tx_rate_val(dev, &rates[2], stbc, &bw); 81562306a36Sopenharmony_ci if (bw_prev) { 81662306a36Sopenharmony_ci bw_idx = 5; 81762306a36Sopenharmony_ci bw_prev = bw; 81862306a36Sopenharmony_ci } 81962306a36Sopenharmony_ci 82062306a36Sopenharmony_ci val[3] = mt7603_mac_tx_rate_val(dev, &rates[3], stbc, &bw); 82162306a36Sopenharmony_ci if (bw_prev) 82262306a36Sopenharmony_ci bw_idx = 7; 82362306a36Sopenharmony_ci 82462306a36Sopenharmony_ci w9 |= FIELD_PREP(MT_WTBL2_W9_CHANGE_BW_RATE, 82562306a36Sopenharmony_ci bw_idx ? bw_idx - 1 : 7); 82662306a36Sopenharmony_ci 82762306a36Sopenharmony_ci mt76_wr(dev, MT_WTBL_RIUCR0, w9); 82862306a36Sopenharmony_ci 82962306a36Sopenharmony_ci mt76_wr(dev, MT_WTBL_RIUCR1, 83062306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_RIUCR1_RATE0, probe_val) | 83162306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_RIUCR1_RATE1, val[0]) | 83262306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, val[1])); 83362306a36Sopenharmony_ci 83462306a36Sopenharmony_ci mt76_wr(dev, MT_WTBL_RIUCR2, 83562306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, val[1] >> 8) | 83662306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_RIUCR2_RATE3, val[1]) | 83762306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_RIUCR2_RATE4, val[2]) | 83862306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_RIUCR2_RATE5_LO, val[2])); 83962306a36Sopenharmony_ci 84062306a36Sopenharmony_ci mt76_wr(dev, MT_WTBL_RIUCR3, 84162306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_RIUCR3_RATE5_HI, val[2] >> 4) | 84262306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_RIUCR3_RATE6, val[3]) | 84362306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_RIUCR3_RATE7, val[3])); 84462306a36Sopenharmony_ci 84562306a36Sopenharmony_ci mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_MODE); /* TSF read */ 84662306a36Sopenharmony_ci sta->rate_set_tsf = (mt76_rr(dev, MT_LPON_UTTR0) & ~BIT(0)) | rateset; 84762306a36Sopenharmony_ci 84862306a36Sopenharmony_ci mt76_wr(dev, MT_WTBL_UPDATE, 84962306a36Sopenharmony_ci FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, wcid) | 85062306a36Sopenharmony_ci MT_WTBL_UPDATE_RATE_UPDATE | 85162306a36Sopenharmony_ci MT_WTBL_UPDATE_TX_COUNT_CLEAR); 85262306a36Sopenharmony_ci 85362306a36Sopenharmony_ci if (!(sta->wcid.tx_info & MT_WCID_TX_INFO_SET)) 85462306a36Sopenharmony_ci mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000); 85562306a36Sopenharmony_ci 85662306a36Sopenharmony_ci sta->rate_count = 2 * MT7603_RATE_RETRY * n_rates; 85762306a36Sopenharmony_ci sta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 85862306a36Sopenharmony_ci} 85962306a36Sopenharmony_ci 86062306a36Sopenharmony_cistatic enum mt76_cipher_type 86162306a36Sopenharmony_cimt7603_mac_get_key_info(struct ieee80211_key_conf *key, u8 *key_data) 86262306a36Sopenharmony_ci{ 86362306a36Sopenharmony_ci memset(key_data, 0, 32); 86462306a36Sopenharmony_ci if (!key) 86562306a36Sopenharmony_ci return MT_CIPHER_NONE; 86662306a36Sopenharmony_ci 86762306a36Sopenharmony_ci if (key->keylen > 32) 86862306a36Sopenharmony_ci return MT_CIPHER_NONE; 86962306a36Sopenharmony_ci 87062306a36Sopenharmony_ci memcpy(key_data, key->key, key->keylen); 87162306a36Sopenharmony_ci 87262306a36Sopenharmony_ci switch (key->cipher) { 87362306a36Sopenharmony_ci case WLAN_CIPHER_SUITE_WEP40: 87462306a36Sopenharmony_ci return MT_CIPHER_WEP40; 87562306a36Sopenharmony_ci case WLAN_CIPHER_SUITE_WEP104: 87662306a36Sopenharmony_ci return MT_CIPHER_WEP104; 87762306a36Sopenharmony_ci case WLAN_CIPHER_SUITE_TKIP: 87862306a36Sopenharmony_ci /* Rx/Tx MIC keys are swapped */ 87962306a36Sopenharmony_ci memcpy(key_data + 16, key->key + 24, 8); 88062306a36Sopenharmony_ci memcpy(key_data + 24, key->key + 16, 8); 88162306a36Sopenharmony_ci return MT_CIPHER_TKIP; 88262306a36Sopenharmony_ci case WLAN_CIPHER_SUITE_CCMP: 88362306a36Sopenharmony_ci return MT_CIPHER_AES_CCMP; 88462306a36Sopenharmony_ci default: 88562306a36Sopenharmony_ci return MT_CIPHER_NONE; 88662306a36Sopenharmony_ci } 88762306a36Sopenharmony_ci} 88862306a36Sopenharmony_ci 88962306a36Sopenharmony_ciint mt7603_wtbl_set_key(struct mt7603_dev *dev, int wcid, 89062306a36Sopenharmony_ci struct ieee80211_key_conf *key) 89162306a36Sopenharmony_ci{ 89262306a36Sopenharmony_ci enum mt76_cipher_type cipher; 89362306a36Sopenharmony_ci u32 addr = mt7603_wtbl3_addr(wcid); 89462306a36Sopenharmony_ci u8 key_data[32]; 89562306a36Sopenharmony_ci int key_len = sizeof(key_data); 89662306a36Sopenharmony_ci 89762306a36Sopenharmony_ci cipher = mt7603_mac_get_key_info(key, key_data); 89862306a36Sopenharmony_ci if (cipher == MT_CIPHER_NONE && key) 89962306a36Sopenharmony_ci return -EOPNOTSUPP; 90062306a36Sopenharmony_ci 90162306a36Sopenharmony_ci if (key && (cipher == MT_CIPHER_WEP40 || cipher == MT_CIPHER_WEP104)) { 90262306a36Sopenharmony_ci addr += key->keyidx * 16; 90362306a36Sopenharmony_ci key_len = 16; 90462306a36Sopenharmony_ci } 90562306a36Sopenharmony_ci 90662306a36Sopenharmony_ci mt76_wr_copy(dev, addr, key_data, key_len); 90762306a36Sopenharmony_ci 90862306a36Sopenharmony_ci addr = mt7603_wtbl1_addr(wcid); 90962306a36Sopenharmony_ci mt76_rmw_field(dev, addr + 2 * 4, MT_WTBL1_W2_KEY_TYPE, cipher); 91062306a36Sopenharmony_ci if (key) 91162306a36Sopenharmony_ci mt76_rmw_field(dev, addr, MT_WTBL1_W0_KEY_IDX, key->keyidx); 91262306a36Sopenharmony_ci mt76_rmw_field(dev, addr, MT_WTBL1_W0_RX_KEY_VALID, !!key); 91362306a36Sopenharmony_ci 91462306a36Sopenharmony_ci return 0; 91562306a36Sopenharmony_ci} 91662306a36Sopenharmony_ci 91762306a36Sopenharmony_cistatic int 91862306a36Sopenharmony_cimt7603_mac_write_txwi(struct mt7603_dev *dev, __le32 *txwi, 91962306a36Sopenharmony_ci struct sk_buff *skb, enum mt76_txq_id qid, 92062306a36Sopenharmony_ci struct mt76_wcid *wcid, struct ieee80211_sta *sta, 92162306a36Sopenharmony_ci int pid, struct ieee80211_key_conf *key) 92262306a36Sopenharmony_ci{ 92362306a36Sopenharmony_ci struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 92462306a36Sopenharmony_ci struct ieee80211_tx_rate *rate = &info->control.rates[0]; 92562306a36Sopenharmony_ci struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 92662306a36Sopenharmony_ci struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data; 92762306a36Sopenharmony_ci struct ieee80211_vif *vif = info->control.vif; 92862306a36Sopenharmony_ci struct mt76_queue *q = dev->mphy.q_tx[qid]; 92962306a36Sopenharmony_ci struct mt7603_vif *mvif; 93062306a36Sopenharmony_ci int wlan_idx; 93162306a36Sopenharmony_ci int hdr_len = ieee80211_get_hdrlen_from_skb(skb); 93262306a36Sopenharmony_ci int tx_count = 8; 93362306a36Sopenharmony_ci u8 frame_type, frame_subtype; 93462306a36Sopenharmony_ci u16 fc = le16_to_cpu(hdr->frame_control); 93562306a36Sopenharmony_ci u16 seqno = 0; 93662306a36Sopenharmony_ci u8 vif_idx = 0; 93762306a36Sopenharmony_ci u32 val; 93862306a36Sopenharmony_ci u8 bw; 93962306a36Sopenharmony_ci 94062306a36Sopenharmony_ci if (vif) { 94162306a36Sopenharmony_ci mvif = (struct mt7603_vif *)vif->drv_priv; 94262306a36Sopenharmony_ci vif_idx = mvif->idx; 94362306a36Sopenharmony_ci if (vif_idx && qid >= MT_TXQ_BEACON) 94462306a36Sopenharmony_ci vif_idx += 0x10; 94562306a36Sopenharmony_ci } 94662306a36Sopenharmony_ci 94762306a36Sopenharmony_ci if (sta) { 94862306a36Sopenharmony_ci struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 94962306a36Sopenharmony_ci 95062306a36Sopenharmony_ci tx_count = msta->rate_count; 95162306a36Sopenharmony_ci } 95262306a36Sopenharmony_ci 95362306a36Sopenharmony_ci if (wcid) 95462306a36Sopenharmony_ci wlan_idx = wcid->idx; 95562306a36Sopenharmony_ci else 95662306a36Sopenharmony_ci wlan_idx = MT7603_WTBL_RESERVED; 95762306a36Sopenharmony_ci 95862306a36Sopenharmony_ci frame_type = (fc & IEEE80211_FCTL_FTYPE) >> 2; 95962306a36Sopenharmony_ci frame_subtype = (fc & IEEE80211_FCTL_STYPE) >> 4; 96062306a36Sopenharmony_ci 96162306a36Sopenharmony_ci val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) | 96262306a36Sopenharmony_ci FIELD_PREP(MT_TXD0_Q_IDX, q->hw_idx); 96362306a36Sopenharmony_ci txwi[0] = cpu_to_le32(val); 96462306a36Sopenharmony_ci 96562306a36Sopenharmony_ci val = MT_TXD1_LONG_FORMAT | 96662306a36Sopenharmony_ci FIELD_PREP(MT_TXD1_OWN_MAC, vif_idx) | 96762306a36Sopenharmony_ci FIELD_PREP(MT_TXD1_TID, 96862306a36Sopenharmony_ci skb->priority & IEEE80211_QOS_CTL_TID_MASK) | 96962306a36Sopenharmony_ci FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_11) | 97062306a36Sopenharmony_ci FIELD_PREP(MT_TXD1_HDR_INFO, hdr_len / 2) | 97162306a36Sopenharmony_ci FIELD_PREP(MT_TXD1_WLAN_IDX, wlan_idx) | 97262306a36Sopenharmony_ci FIELD_PREP(MT_TXD1_PROTECTED, !!key); 97362306a36Sopenharmony_ci txwi[1] = cpu_to_le32(val); 97462306a36Sopenharmony_ci 97562306a36Sopenharmony_ci if (info->flags & IEEE80211_TX_CTL_NO_ACK) 97662306a36Sopenharmony_ci txwi[1] |= cpu_to_le32(MT_TXD1_NO_ACK); 97762306a36Sopenharmony_ci 97862306a36Sopenharmony_ci val = FIELD_PREP(MT_TXD2_FRAME_TYPE, frame_type) | 97962306a36Sopenharmony_ci FIELD_PREP(MT_TXD2_SUB_TYPE, frame_subtype) | 98062306a36Sopenharmony_ci FIELD_PREP(MT_TXD2_MULTICAST, 98162306a36Sopenharmony_ci is_multicast_ether_addr(hdr->addr1)); 98262306a36Sopenharmony_ci txwi[2] = cpu_to_le32(val); 98362306a36Sopenharmony_ci 98462306a36Sopenharmony_ci if (!(info->flags & IEEE80211_TX_CTL_AMPDU)) 98562306a36Sopenharmony_ci txwi[2] |= cpu_to_le32(MT_TXD2_BA_DISABLE); 98662306a36Sopenharmony_ci 98762306a36Sopenharmony_ci txwi[4] = 0; 98862306a36Sopenharmony_ci 98962306a36Sopenharmony_ci val = MT_TXD5_TX_STATUS_HOST | MT_TXD5_SW_POWER_MGMT | 99062306a36Sopenharmony_ci FIELD_PREP(MT_TXD5_PID, pid); 99162306a36Sopenharmony_ci txwi[5] = cpu_to_le32(val); 99262306a36Sopenharmony_ci 99362306a36Sopenharmony_ci txwi[6] = 0; 99462306a36Sopenharmony_ci 99562306a36Sopenharmony_ci if (rate->idx >= 0 && rate->count && 99662306a36Sopenharmony_ci !(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)) { 99762306a36Sopenharmony_ci bool stbc = info->flags & IEEE80211_TX_CTL_STBC; 99862306a36Sopenharmony_ci u16 rateval = mt7603_mac_tx_rate_val(dev, rate, stbc, &bw); 99962306a36Sopenharmony_ci 100062306a36Sopenharmony_ci txwi[2] |= cpu_to_le32(MT_TXD2_FIX_RATE); 100162306a36Sopenharmony_ci 100262306a36Sopenharmony_ci val = MT_TXD6_FIXED_BW | 100362306a36Sopenharmony_ci FIELD_PREP(MT_TXD6_BW, bw) | 100462306a36Sopenharmony_ci FIELD_PREP(MT_TXD6_TX_RATE, rateval); 100562306a36Sopenharmony_ci txwi[6] |= cpu_to_le32(val); 100662306a36Sopenharmony_ci 100762306a36Sopenharmony_ci if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 100862306a36Sopenharmony_ci txwi[6] |= cpu_to_le32(MT_TXD6_SGI); 100962306a36Sopenharmony_ci 101062306a36Sopenharmony_ci if (!(rate->flags & IEEE80211_TX_RC_MCS)) 101162306a36Sopenharmony_ci txwi[2] |= cpu_to_le32(MT_TXD2_BA_DISABLE); 101262306a36Sopenharmony_ci 101362306a36Sopenharmony_ci tx_count = rate->count; 101462306a36Sopenharmony_ci } 101562306a36Sopenharmony_ci 101662306a36Sopenharmony_ci /* use maximum tx count for beacons and buffered multicast */ 101762306a36Sopenharmony_ci if (qid >= MT_TXQ_BEACON) 101862306a36Sopenharmony_ci tx_count = 0x1f; 101962306a36Sopenharmony_ci 102062306a36Sopenharmony_ci val = FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count) | 102162306a36Sopenharmony_ci MT_TXD3_SN_VALID; 102262306a36Sopenharmony_ci 102362306a36Sopenharmony_ci if (ieee80211_is_data_qos(hdr->frame_control)) 102462306a36Sopenharmony_ci seqno = le16_to_cpu(hdr->seq_ctrl); 102562306a36Sopenharmony_ci else if (ieee80211_is_back_req(hdr->frame_control)) 102662306a36Sopenharmony_ci seqno = le16_to_cpu(bar->start_seq_num); 102762306a36Sopenharmony_ci else 102862306a36Sopenharmony_ci val &= ~MT_TXD3_SN_VALID; 102962306a36Sopenharmony_ci 103062306a36Sopenharmony_ci val |= FIELD_PREP(MT_TXD3_SEQ, seqno >> 4); 103162306a36Sopenharmony_ci 103262306a36Sopenharmony_ci txwi[3] = cpu_to_le32(val); 103362306a36Sopenharmony_ci 103462306a36Sopenharmony_ci if (key) { 103562306a36Sopenharmony_ci u64 pn = atomic64_inc_return(&key->tx_pn); 103662306a36Sopenharmony_ci 103762306a36Sopenharmony_ci txwi[3] |= cpu_to_le32(MT_TXD3_PN_VALID); 103862306a36Sopenharmony_ci txwi[4] = cpu_to_le32(pn & GENMASK(31, 0)); 103962306a36Sopenharmony_ci txwi[5] |= cpu_to_le32(FIELD_PREP(MT_TXD5_PN_HIGH, pn >> 32)); 104062306a36Sopenharmony_ci } 104162306a36Sopenharmony_ci 104262306a36Sopenharmony_ci txwi[7] = 0; 104362306a36Sopenharmony_ci 104462306a36Sopenharmony_ci return 0; 104562306a36Sopenharmony_ci} 104662306a36Sopenharmony_ci 104762306a36Sopenharmony_ciint mt7603_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, 104862306a36Sopenharmony_ci enum mt76_txq_id qid, struct mt76_wcid *wcid, 104962306a36Sopenharmony_ci struct ieee80211_sta *sta, 105062306a36Sopenharmony_ci struct mt76_tx_info *tx_info) 105162306a36Sopenharmony_ci{ 105262306a36Sopenharmony_ci struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 105362306a36Sopenharmony_ci struct mt7603_sta *msta = container_of(wcid, struct mt7603_sta, wcid); 105462306a36Sopenharmony_ci struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb); 105562306a36Sopenharmony_ci struct ieee80211_key_conf *key = info->control.hw_key; 105662306a36Sopenharmony_ci int pid; 105762306a36Sopenharmony_ci 105862306a36Sopenharmony_ci if (!wcid) 105962306a36Sopenharmony_ci wcid = &dev->global_sta.wcid; 106062306a36Sopenharmony_ci 106162306a36Sopenharmony_ci if (sta) { 106262306a36Sopenharmony_ci msta = (struct mt7603_sta *)sta->drv_priv; 106362306a36Sopenharmony_ci 106462306a36Sopenharmony_ci if ((info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER | 106562306a36Sopenharmony_ci IEEE80211_TX_CTL_CLEAR_PS_FILT)) || 106662306a36Sopenharmony_ci (info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE)) 106762306a36Sopenharmony_ci mt7603_wtbl_set_ps(dev, msta, false); 106862306a36Sopenharmony_ci 106962306a36Sopenharmony_ci mt76_tx_check_agg_ssn(sta, tx_info->skb); 107062306a36Sopenharmony_ci } 107162306a36Sopenharmony_ci 107262306a36Sopenharmony_ci pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb); 107362306a36Sopenharmony_ci 107462306a36Sopenharmony_ci if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) { 107562306a36Sopenharmony_ci spin_lock_bh(&dev->mt76.lock); 107662306a36Sopenharmony_ci mt7603_wtbl_set_rates(dev, msta, &info->control.rates[0], 107762306a36Sopenharmony_ci msta->rates); 107862306a36Sopenharmony_ci msta->rate_probe = true; 107962306a36Sopenharmony_ci spin_unlock_bh(&dev->mt76.lock); 108062306a36Sopenharmony_ci } 108162306a36Sopenharmony_ci 108262306a36Sopenharmony_ci mt7603_mac_write_txwi(dev, txwi_ptr, tx_info->skb, qid, wcid, 108362306a36Sopenharmony_ci sta, pid, key); 108462306a36Sopenharmony_ci 108562306a36Sopenharmony_ci return 0; 108662306a36Sopenharmony_ci} 108762306a36Sopenharmony_ci 108862306a36Sopenharmony_cistatic bool 108962306a36Sopenharmony_cimt7603_fill_txs(struct mt7603_dev *dev, struct mt7603_sta *sta, 109062306a36Sopenharmony_ci struct ieee80211_tx_info *info, __le32 *txs_data) 109162306a36Sopenharmony_ci{ 109262306a36Sopenharmony_ci struct ieee80211_supported_band *sband; 109362306a36Sopenharmony_ci struct mt7603_rate_set *rs; 109462306a36Sopenharmony_ci int first_idx = 0, last_idx; 109562306a36Sopenharmony_ci u32 rate_set_tsf; 109662306a36Sopenharmony_ci u32 final_rate; 109762306a36Sopenharmony_ci u32 final_rate_flags; 109862306a36Sopenharmony_ci bool rs_idx; 109962306a36Sopenharmony_ci bool ack_timeout; 110062306a36Sopenharmony_ci bool fixed_rate; 110162306a36Sopenharmony_ci bool probe; 110262306a36Sopenharmony_ci bool ampdu; 110362306a36Sopenharmony_ci bool cck = false; 110462306a36Sopenharmony_ci int count; 110562306a36Sopenharmony_ci u32 txs; 110662306a36Sopenharmony_ci int idx; 110762306a36Sopenharmony_ci int i; 110862306a36Sopenharmony_ci 110962306a36Sopenharmony_ci fixed_rate = info->status.rates[0].count; 111062306a36Sopenharmony_ci probe = !!(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE); 111162306a36Sopenharmony_ci 111262306a36Sopenharmony_ci txs = le32_to_cpu(txs_data[4]); 111362306a36Sopenharmony_ci ampdu = !fixed_rate && (txs & MT_TXS4_AMPDU); 111462306a36Sopenharmony_ci count = FIELD_GET(MT_TXS4_TX_COUNT, txs); 111562306a36Sopenharmony_ci last_idx = FIELD_GET(MT_TXS4_LAST_TX_RATE, txs); 111662306a36Sopenharmony_ci 111762306a36Sopenharmony_ci txs = le32_to_cpu(txs_data[0]); 111862306a36Sopenharmony_ci final_rate = FIELD_GET(MT_TXS0_TX_RATE, txs); 111962306a36Sopenharmony_ci ack_timeout = txs & MT_TXS0_ACK_TIMEOUT; 112062306a36Sopenharmony_ci 112162306a36Sopenharmony_ci if (!ampdu && (txs & MT_TXS0_RTS_TIMEOUT)) 112262306a36Sopenharmony_ci return false; 112362306a36Sopenharmony_ci 112462306a36Sopenharmony_ci if (txs & MT_TXS0_QUEUE_TIMEOUT) 112562306a36Sopenharmony_ci return false; 112662306a36Sopenharmony_ci 112762306a36Sopenharmony_ci if (!ack_timeout) 112862306a36Sopenharmony_ci info->flags |= IEEE80211_TX_STAT_ACK; 112962306a36Sopenharmony_ci 113062306a36Sopenharmony_ci info->status.ampdu_len = 1; 113162306a36Sopenharmony_ci info->status.ampdu_ack_len = !!(info->flags & 113262306a36Sopenharmony_ci IEEE80211_TX_STAT_ACK); 113362306a36Sopenharmony_ci 113462306a36Sopenharmony_ci if (ampdu || (info->flags & IEEE80211_TX_CTL_AMPDU)) 113562306a36Sopenharmony_ci info->flags |= IEEE80211_TX_STAT_AMPDU | IEEE80211_TX_CTL_AMPDU; 113662306a36Sopenharmony_ci 113762306a36Sopenharmony_ci first_idx = max_t(int, 0, last_idx - (count - 1) / MT7603_RATE_RETRY); 113862306a36Sopenharmony_ci 113962306a36Sopenharmony_ci if (fixed_rate && !probe) { 114062306a36Sopenharmony_ci info->status.rates[0].count = count; 114162306a36Sopenharmony_ci i = 0; 114262306a36Sopenharmony_ci goto out; 114362306a36Sopenharmony_ci } 114462306a36Sopenharmony_ci 114562306a36Sopenharmony_ci rate_set_tsf = READ_ONCE(sta->rate_set_tsf); 114662306a36Sopenharmony_ci rs_idx = !((u32)(le32_get_bits(txs_data[1], MT_TXS1_F0_TIMESTAMP) - 114762306a36Sopenharmony_ci rate_set_tsf) < 1000000); 114862306a36Sopenharmony_ci rs_idx ^= rate_set_tsf & BIT(0); 114962306a36Sopenharmony_ci rs = &sta->rateset[rs_idx]; 115062306a36Sopenharmony_ci 115162306a36Sopenharmony_ci if (!first_idx && rs->probe_rate.idx >= 0) { 115262306a36Sopenharmony_ci info->status.rates[0] = rs->probe_rate; 115362306a36Sopenharmony_ci 115462306a36Sopenharmony_ci spin_lock_bh(&dev->mt76.lock); 115562306a36Sopenharmony_ci if (sta->rate_probe) { 115662306a36Sopenharmony_ci mt7603_wtbl_set_rates(dev, sta, NULL, 115762306a36Sopenharmony_ci sta->rates); 115862306a36Sopenharmony_ci sta->rate_probe = false; 115962306a36Sopenharmony_ci } 116062306a36Sopenharmony_ci spin_unlock_bh(&dev->mt76.lock); 116162306a36Sopenharmony_ci } else { 116262306a36Sopenharmony_ci info->status.rates[0] = rs->rates[first_idx / 2]; 116362306a36Sopenharmony_ci } 116462306a36Sopenharmony_ci info->status.rates[0].count = 0; 116562306a36Sopenharmony_ci 116662306a36Sopenharmony_ci for (i = 0, idx = first_idx; count && idx <= last_idx; idx++) { 116762306a36Sopenharmony_ci struct ieee80211_tx_rate *cur_rate; 116862306a36Sopenharmony_ci int cur_count; 116962306a36Sopenharmony_ci 117062306a36Sopenharmony_ci cur_rate = &rs->rates[idx / 2]; 117162306a36Sopenharmony_ci cur_count = min_t(int, MT7603_RATE_RETRY, count); 117262306a36Sopenharmony_ci count -= cur_count; 117362306a36Sopenharmony_ci 117462306a36Sopenharmony_ci if (idx && (cur_rate->idx != info->status.rates[i].idx || 117562306a36Sopenharmony_ci cur_rate->flags != info->status.rates[i].flags)) { 117662306a36Sopenharmony_ci i++; 117762306a36Sopenharmony_ci if (i == ARRAY_SIZE(info->status.rates)) { 117862306a36Sopenharmony_ci i--; 117962306a36Sopenharmony_ci break; 118062306a36Sopenharmony_ci } 118162306a36Sopenharmony_ci 118262306a36Sopenharmony_ci info->status.rates[i] = *cur_rate; 118362306a36Sopenharmony_ci info->status.rates[i].count = 0; 118462306a36Sopenharmony_ci } 118562306a36Sopenharmony_ci 118662306a36Sopenharmony_ci info->status.rates[i].count += cur_count; 118762306a36Sopenharmony_ci } 118862306a36Sopenharmony_ci 118962306a36Sopenharmony_ciout: 119062306a36Sopenharmony_ci final_rate_flags = info->status.rates[i].flags; 119162306a36Sopenharmony_ci 119262306a36Sopenharmony_ci switch (FIELD_GET(MT_TX_RATE_MODE, final_rate)) { 119362306a36Sopenharmony_ci case MT_PHY_TYPE_CCK: 119462306a36Sopenharmony_ci cck = true; 119562306a36Sopenharmony_ci fallthrough; 119662306a36Sopenharmony_ci case MT_PHY_TYPE_OFDM: 119762306a36Sopenharmony_ci if (dev->mphy.chandef.chan->band == NL80211_BAND_5GHZ) 119862306a36Sopenharmony_ci sband = &dev->mphy.sband_5g.sband; 119962306a36Sopenharmony_ci else 120062306a36Sopenharmony_ci sband = &dev->mphy.sband_2g.sband; 120162306a36Sopenharmony_ci final_rate &= GENMASK(5, 0); 120262306a36Sopenharmony_ci final_rate = mt76_get_rate(&dev->mt76, sband, final_rate, 120362306a36Sopenharmony_ci cck); 120462306a36Sopenharmony_ci final_rate_flags = 0; 120562306a36Sopenharmony_ci break; 120662306a36Sopenharmony_ci case MT_PHY_TYPE_HT_GF: 120762306a36Sopenharmony_ci case MT_PHY_TYPE_HT: 120862306a36Sopenharmony_ci final_rate_flags |= IEEE80211_TX_RC_MCS; 120962306a36Sopenharmony_ci final_rate &= GENMASK(5, 0); 121062306a36Sopenharmony_ci if (final_rate > 15) 121162306a36Sopenharmony_ci return false; 121262306a36Sopenharmony_ci break; 121362306a36Sopenharmony_ci default: 121462306a36Sopenharmony_ci return false; 121562306a36Sopenharmony_ci } 121662306a36Sopenharmony_ci 121762306a36Sopenharmony_ci info->status.rates[i].idx = final_rate; 121862306a36Sopenharmony_ci info->status.rates[i].flags = final_rate_flags; 121962306a36Sopenharmony_ci 122062306a36Sopenharmony_ci return true; 122162306a36Sopenharmony_ci} 122262306a36Sopenharmony_ci 122362306a36Sopenharmony_cistatic bool 122462306a36Sopenharmony_cimt7603_mac_add_txs_skb(struct mt7603_dev *dev, struct mt7603_sta *sta, int pid, 122562306a36Sopenharmony_ci __le32 *txs_data) 122662306a36Sopenharmony_ci{ 122762306a36Sopenharmony_ci struct mt76_dev *mdev = &dev->mt76; 122862306a36Sopenharmony_ci struct sk_buff_head list; 122962306a36Sopenharmony_ci struct sk_buff *skb; 123062306a36Sopenharmony_ci 123162306a36Sopenharmony_ci if (pid < MT_PACKET_ID_FIRST) 123262306a36Sopenharmony_ci return false; 123362306a36Sopenharmony_ci 123462306a36Sopenharmony_ci trace_mac_txdone(mdev, sta->wcid.idx, pid); 123562306a36Sopenharmony_ci 123662306a36Sopenharmony_ci mt76_tx_status_lock(mdev, &list); 123762306a36Sopenharmony_ci skb = mt76_tx_status_skb_get(mdev, &sta->wcid, pid, &list); 123862306a36Sopenharmony_ci if (skb) { 123962306a36Sopenharmony_ci struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 124062306a36Sopenharmony_ci 124162306a36Sopenharmony_ci if (!mt7603_fill_txs(dev, sta, info, txs_data)) { 124262306a36Sopenharmony_ci info->status.rates[0].count = 0; 124362306a36Sopenharmony_ci info->status.rates[0].idx = -1; 124462306a36Sopenharmony_ci } 124562306a36Sopenharmony_ci 124662306a36Sopenharmony_ci mt76_tx_status_skb_done(mdev, skb, &list); 124762306a36Sopenharmony_ci } 124862306a36Sopenharmony_ci mt76_tx_status_unlock(mdev, &list); 124962306a36Sopenharmony_ci 125062306a36Sopenharmony_ci return !!skb; 125162306a36Sopenharmony_ci} 125262306a36Sopenharmony_ci 125362306a36Sopenharmony_civoid mt7603_mac_add_txs(struct mt7603_dev *dev, void *data) 125462306a36Sopenharmony_ci{ 125562306a36Sopenharmony_ci struct ieee80211_tx_info info = {}; 125662306a36Sopenharmony_ci struct ieee80211_sta *sta = NULL; 125762306a36Sopenharmony_ci struct mt7603_sta *msta = NULL; 125862306a36Sopenharmony_ci struct mt76_wcid *wcid; 125962306a36Sopenharmony_ci __le32 *txs_data = data; 126062306a36Sopenharmony_ci u8 wcidx; 126162306a36Sopenharmony_ci u8 pid; 126262306a36Sopenharmony_ci 126362306a36Sopenharmony_ci pid = le32_get_bits(txs_data[4], MT_TXS4_PID); 126462306a36Sopenharmony_ci wcidx = le32_get_bits(txs_data[3], MT_TXS3_WCID); 126562306a36Sopenharmony_ci 126662306a36Sopenharmony_ci if (pid == MT_PACKET_ID_NO_ACK) 126762306a36Sopenharmony_ci return; 126862306a36Sopenharmony_ci 126962306a36Sopenharmony_ci if (wcidx >= MT7603_WTBL_SIZE) 127062306a36Sopenharmony_ci return; 127162306a36Sopenharmony_ci 127262306a36Sopenharmony_ci rcu_read_lock(); 127362306a36Sopenharmony_ci 127462306a36Sopenharmony_ci wcid = rcu_dereference(dev->mt76.wcid[wcidx]); 127562306a36Sopenharmony_ci if (!wcid) 127662306a36Sopenharmony_ci goto out; 127762306a36Sopenharmony_ci 127862306a36Sopenharmony_ci msta = container_of(wcid, struct mt7603_sta, wcid); 127962306a36Sopenharmony_ci sta = wcid_to_sta(wcid); 128062306a36Sopenharmony_ci 128162306a36Sopenharmony_ci if (list_empty(&msta->wcid.poll_list)) { 128262306a36Sopenharmony_ci spin_lock_bh(&dev->mt76.sta_poll_lock); 128362306a36Sopenharmony_ci list_add_tail(&msta->wcid.poll_list, &dev->mt76.sta_poll_list); 128462306a36Sopenharmony_ci spin_unlock_bh(&dev->mt76.sta_poll_lock); 128562306a36Sopenharmony_ci } 128662306a36Sopenharmony_ci 128762306a36Sopenharmony_ci if (mt7603_mac_add_txs_skb(dev, msta, pid, txs_data)) 128862306a36Sopenharmony_ci goto out; 128962306a36Sopenharmony_ci 129062306a36Sopenharmony_ci if (wcidx >= MT7603_WTBL_STA || !sta) 129162306a36Sopenharmony_ci goto out; 129262306a36Sopenharmony_ci 129362306a36Sopenharmony_ci if (mt7603_fill_txs(dev, msta, &info, txs_data)) { 129462306a36Sopenharmony_ci spin_lock_bh(&dev->mt76.rx_lock); 129562306a36Sopenharmony_ci ieee80211_tx_status_noskb(mt76_hw(dev), sta, &info); 129662306a36Sopenharmony_ci spin_unlock_bh(&dev->mt76.rx_lock); 129762306a36Sopenharmony_ci } 129862306a36Sopenharmony_ci 129962306a36Sopenharmony_ciout: 130062306a36Sopenharmony_ci rcu_read_unlock(); 130162306a36Sopenharmony_ci} 130262306a36Sopenharmony_ci 130362306a36Sopenharmony_civoid mt7603_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e) 130462306a36Sopenharmony_ci{ 130562306a36Sopenharmony_ci struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 130662306a36Sopenharmony_ci struct sk_buff *skb = e->skb; 130762306a36Sopenharmony_ci 130862306a36Sopenharmony_ci if (!e->txwi) { 130962306a36Sopenharmony_ci dev_kfree_skb_any(skb); 131062306a36Sopenharmony_ci return; 131162306a36Sopenharmony_ci } 131262306a36Sopenharmony_ci 131362306a36Sopenharmony_ci dev->tx_hang_check = 0; 131462306a36Sopenharmony_ci mt76_tx_complete_skb(mdev, e->wcid, skb); 131562306a36Sopenharmony_ci} 131662306a36Sopenharmony_ci 131762306a36Sopenharmony_cistatic bool 131862306a36Sopenharmony_ciwait_for_wpdma(struct mt7603_dev *dev) 131962306a36Sopenharmony_ci{ 132062306a36Sopenharmony_ci return mt76_poll(dev, MT_WPDMA_GLO_CFG, 132162306a36Sopenharmony_ci MT_WPDMA_GLO_CFG_TX_DMA_BUSY | 132262306a36Sopenharmony_ci MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 132362306a36Sopenharmony_ci 0, 1000); 132462306a36Sopenharmony_ci} 132562306a36Sopenharmony_ci 132662306a36Sopenharmony_cistatic void mt7603_pse_reset(struct mt7603_dev *dev) 132762306a36Sopenharmony_ci{ 132862306a36Sopenharmony_ci /* Clear previous reset result */ 132962306a36Sopenharmony_ci if (!dev->reset_cause[RESET_CAUSE_RESET_FAILED]) 133062306a36Sopenharmony_ci mt76_clear(dev, MT_MCU_DEBUG_RESET, MT_MCU_DEBUG_RESET_PSE_S); 133162306a36Sopenharmony_ci 133262306a36Sopenharmony_ci /* Reset PSE */ 133362306a36Sopenharmony_ci mt76_set(dev, MT_MCU_DEBUG_RESET, MT_MCU_DEBUG_RESET_PSE); 133462306a36Sopenharmony_ci 133562306a36Sopenharmony_ci if (!mt76_poll_msec(dev, MT_MCU_DEBUG_RESET, 133662306a36Sopenharmony_ci MT_MCU_DEBUG_RESET_PSE_S, 133762306a36Sopenharmony_ci MT_MCU_DEBUG_RESET_PSE_S, 500)) { 133862306a36Sopenharmony_ci dev->reset_cause[RESET_CAUSE_RESET_FAILED]++; 133962306a36Sopenharmony_ci mt76_clear(dev, MT_MCU_DEBUG_RESET, MT_MCU_DEBUG_RESET_PSE); 134062306a36Sopenharmony_ci } else { 134162306a36Sopenharmony_ci dev->reset_cause[RESET_CAUSE_RESET_FAILED] = 0; 134262306a36Sopenharmony_ci mt76_clear(dev, MT_MCU_DEBUG_RESET, MT_MCU_DEBUG_RESET_QUEUES); 134362306a36Sopenharmony_ci } 134462306a36Sopenharmony_ci 134562306a36Sopenharmony_ci if (dev->reset_cause[RESET_CAUSE_RESET_FAILED] >= 3) 134662306a36Sopenharmony_ci dev->reset_cause[RESET_CAUSE_RESET_FAILED] = 0; 134762306a36Sopenharmony_ci} 134862306a36Sopenharmony_ci 134962306a36Sopenharmony_civoid mt7603_mac_dma_start(struct mt7603_dev *dev) 135062306a36Sopenharmony_ci{ 135162306a36Sopenharmony_ci mt7603_mac_start(dev); 135262306a36Sopenharmony_ci 135362306a36Sopenharmony_ci wait_for_wpdma(dev); 135462306a36Sopenharmony_ci usleep_range(50, 100); 135562306a36Sopenharmony_ci 135662306a36Sopenharmony_ci mt76_set(dev, MT_WPDMA_GLO_CFG, 135762306a36Sopenharmony_ci (MT_WPDMA_GLO_CFG_TX_DMA_EN | 135862306a36Sopenharmony_ci MT_WPDMA_GLO_CFG_RX_DMA_EN | 135962306a36Sopenharmony_ci FIELD_PREP(MT_WPDMA_GLO_CFG_DMA_BURST_SIZE, 3) | 136062306a36Sopenharmony_ci MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE)); 136162306a36Sopenharmony_ci 136262306a36Sopenharmony_ci mt7603_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL); 136362306a36Sopenharmony_ci} 136462306a36Sopenharmony_ci 136562306a36Sopenharmony_civoid mt7603_mac_start(struct mt7603_dev *dev) 136662306a36Sopenharmony_ci{ 136762306a36Sopenharmony_ci mt76_clear(dev, MT_ARB_SCR, 136862306a36Sopenharmony_ci MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE); 136962306a36Sopenharmony_ci mt76_wr(dev, MT_WF_ARB_TX_START_0, ~0); 137062306a36Sopenharmony_ci mt76_set(dev, MT_WF_ARB_RQCR, MT_WF_ARB_RQCR_RX_START); 137162306a36Sopenharmony_ci} 137262306a36Sopenharmony_ci 137362306a36Sopenharmony_civoid mt7603_mac_stop(struct mt7603_dev *dev) 137462306a36Sopenharmony_ci{ 137562306a36Sopenharmony_ci mt76_set(dev, MT_ARB_SCR, 137662306a36Sopenharmony_ci MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE); 137762306a36Sopenharmony_ci mt76_wr(dev, MT_WF_ARB_TX_START_0, 0); 137862306a36Sopenharmony_ci mt76_clear(dev, MT_WF_ARB_RQCR, MT_WF_ARB_RQCR_RX_START); 137962306a36Sopenharmony_ci} 138062306a36Sopenharmony_ci 138162306a36Sopenharmony_civoid mt7603_pse_client_reset(struct mt7603_dev *dev) 138262306a36Sopenharmony_ci{ 138362306a36Sopenharmony_ci u32 addr; 138462306a36Sopenharmony_ci 138562306a36Sopenharmony_ci addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR + 138662306a36Sopenharmony_ci MT_CLIENT_RESET_TX); 138762306a36Sopenharmony_ci 138862306a36Sopenharmony_ci /* Clear previous reset state */ 138962306a36Sopenharmony_ci mt76_clear(dev, addr, 139062306a36Sopenharmony_ci MT_CLIENT_RESET_TX_R_E_1 | 139162306a36Sopenharmony_ci MT_CLIENT_RESET_TX_R_E_2 | 139262306a36Sopenharmony_ci MT_CLIENT_RESET_TX_R_E_1_S | 139362306a36Sopenharmony_ci MT_CLIENT_RESET_TX_R_E_2_S); 139462306a36Sopenharmony_ci 139562306a36Sopenharmony_ci /* Start PSE client TX abort */ 139662306a36Sopenharmony_ci mt76_set(dev, addr, MT_CLIENT_RESET_TX_R_E_1); 139762306a36Sopenharmony_ci mt76_poll_msec(dev, addr, MT_CLIENT_RESET_TX_R_E_1_S, 139862306a36Sopenharmony_ci MT_CLIENT_RESET_TX_R_E_1_S, 500); 139962306a36Sopenharmony_ci 140062306a36Sopenharmony_ci mt76_set(dev, addr, MT_CLIENT_RESET_TX_R_E_2); 140162306a36Sopenharmony_ci mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_SW_RESET); 140262306a36Sopenharmony_ci 140362306a36Sopenharmony_ci /* Wait for PSE client to clear TX FIFO */ 140462306a36Sopenharmony_ci mt76_poll_msec(dev, addr, MT_CLIENT_RESET_TX_R_E_2_S, 140562306a36Sopenharmony_ci MT_CLIENT_RESET_TX_R_E_2_S, 500); 140662306a36Sopenharmony_ci 140762306a36Sopenharmony_ci /* Clear PSE client TX abort state */ 140862306a36Sopenharmony_ci mt76_clear(dev, addr, 140962306a36Sopenharmony_ci MT_CLIENT_RESET_TX_R_E_1 | 141062306a36Sopenharmony_ci MT_CLIENT_RESET_TX_R_E_2); 141162306a36Sopenharmony_ci} 141262306a36Sopenharmony_ci 141362306a36Sopenharmony_cistatic void mt7603_dma_sched_reset(struct mt7603_dev *dev) 141462306a36Sopenharmony_ci{ 141562306a36Sopenharmony_ci if (!is_mt7628(dev)) 141662306a36Sopenharmony_ci return; 141762306a36Sopenharmony_ci 141862306a36Sopenharmony_ci mt76_set(dev, MT_SCH_4, MT_SCH_4_RESET); 141962306a36Sopenharmony_ci mt76_clear(dev, MT_SCH_4, MT_SCH_4_RESET); 142062306a36Sopenharmony_ci} 142162306a36Sopenharmony_ci 142262306a36Sopenharmony_cistatic void mt7603_mac_watchdog_reset(struct mt7603_dev *dev) 142362306a36Sopenharmony_ci{ 142462306a36Sopenharmony_ci int beacon_int = dev->mt76.beacon_int; 142562306a36Sopenharmony_ci u32 mask = dev->mt76.mmio.irqmask; 142662306a36Sopenharmony_ci int i; 142762306a36Sopenharmony_ci 142862306a36Sopenharmony_ci ieee80211_stop_queues(dev->mt76.hw); 142962306a36Sopenharmony_ci set_bit(MT76_RESET, &dev->mphy.state); 143062306a36Sopenharmony_ci 143162306a36Sopenharmony_ci /* lock/unlock all queues to ensure that no tx is pending */ 143262306a36Sopenharmony_ci mt76_txq_schedule_all(&dev->mphy); 143362306a36Sopenharmony_ci 143462306a36Sopenharmony_ci mt76_worker_disable(&dev->mt76.tx_worker); 143562306a36Sopenharmony_ci tasklet_disable(&dev->mt76.pre_tbtt_tasklet); 143662306a36Sopenharmony_ci napi_disable(&dev->mt76.napi[0]); 143762306a36Sopenharmony_ci napi_disable(&dev->mt76.napi[1]); 143862306a36Sopenharmony_ci napi_disable(&dev->mt76.tx_napi); 143962306a36Sopenharmony_ci 144062306a36Sopenharmony_ci mutex_lock(&dev->mt76.mutex); 144162306a36Sopenharmony_ci 144262306a36Sopenharmony_ci mt7603_beacon_set_timer(dev, -1, 0); 144362306a36Sopenharmony_ci 144462306a36Sopenharmony_ci mt7603_mac_stop(dev); 144562306a36Sopenharmony_ci 144662306a36Sopenharmony_ci mt76_clear(dev, MT_WPDMA_GLO_CFG, 144762306a36Sopenharmony_ci MT_WPDMA_GLO_CFG_RX_DMA_EN | MT_WPDMA_GLO_CFG_TX_DMA_EN | 144862306a36Sopenharmony_ci MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE); 144962306a36Sopenharmony_ci usleep_range(1000, 2000); 145062306a36Sopenharmony_ci 145162306a36Sopenharmony_ci mt7603_irq_disable(dev, mask); 145262306a36Sopenharmony_ci 145362306a36Sopenharmony_ci mt7603_pse_client_reset(dev); 145462306a36Sopenharmony_ci 145562306a36Sopenharmony_ci mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], true); 145662306a36Sopenharmony_ci for (i = 0; i < __MT_TXQ_MAX; i++) 145762306a36Sopenharmony_ci mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[i], true); 145862306a36Sopenharmony_ci 145962306a36Sopenharmony_ci mt7603_dma_sched_reset(dev); 146062306a36Sopenharmony_ci 146162306a36Sopenharmony_ci mt76_tx_status_check(&dev->mt76, true); 146262306a36Sopenharmony_ci 146362306a36Sopenharmony_ci mt76_for_each_q_rx(&dev->mt76, i) { 146462306a36Sopenharmony_ci mt76_queue_rx_reset(dev, i); 146562306a36Sopenharmony_ci } 146662306a36Sopenharmony_ci 146762306a36Sopenharmony_ci if (dev->reset_cause[RESET_CAUSE_RESET_FAILED] || 146862306a36Sopenharmony_ci dev->cur_reset_cause == RESET_CAUSE_RX_PSE_BUSY) 146962306a36Sopenharmony_ci mt7603_pse_reset(dev); 147062306a36Sopenharmony_ci 147162306a36Sopenharmony_ci if (!dev->reset_cause[RESET_CAUSE_RESET_FAILED]) { 147262306a36Sopenharmony_ci mt7603_mac_dma_start(dev); 147362306a36Sopenharmony_ci 147462306a36Sopenharmony_ci mt7603_irq_enable(dev, mask); 147562306a36Sopenharmony_ci 147662306a36Sopenharmony_ci clear_bit(MT76_RESET, &dev->mphy.state); 147762306a36Sopenharmony_ci } 147862306a36Sopenharmony_ci 147962306a36Sopenharmony_ci mutex_unlock(&dev->mt76.mutex); 148062306a36Sopenharmony_ci 148162306a36Sopenharmony_ci mt76_worker_enable(&dev->mt76.tx_worker); 148262306a36Sopenharmony_ci 148362306a36Sopenharmony_ci tasklet_enable(&dev->mt76.pre_tbtt_tasklet); 148462306a36Sopenharmony_ci mt7603_beacon_set_timer(dev, -1, beacon_int); 148562306a36Sopenharmony_ci 148662306a36Sopenharmony_ci local_bh_disable(); 148762306a36Sopenharmony_ci napi_enable(&dev->mt76.tx_napi); 148862306a36Sopenharmony_ci napi_schedule(&dev->mt76.tx_napi); 148962306a36Sopenharmony_ci 149062306a36Sopenharmony_ci napi_enable(&dev->mt76.napi[0]); 149162306a36Sopenharmony_ci napi_schedule(&dev->mt76.napi[0]); 149262306a36Sopenharmony_ci 149362306a36Sopenharmony_ci napi_enable(&dev->mt76.napi[1]); 149462306a36Sopenharmony_ci napi_schedule(&dev->mt76.napi[1]); 149562306a36Sopenharmony_ci local_bh_enable(); 149662306a36Sopenharmony_ci 149762306a36Sopenharmony_ci ieee80211_wake_queues(dev->mt76.hw); 149862306a36Sopenharmony_ci mt76_txq_schedule_all(&dev->mphy); 149962306a36Sopenharmony_ci} 150062306a36Sopenharmony_ci 150162306a36Sopenharmony_cistatic u32 mt7603_dma_debug(struct mt7603_dev *dev, u8 index) 150262306a36Sopenharmony_ci{ 150362306a36Sopenharmony_ci u32 val; 150462306a36Sopenharmony_ci 150562306a36Sopenharmony_ci mt76_wr(dev, MT_WPDMA_DEBUG, 150662306a36Sopenharmony_ci FIELD_PREP(MT_WPDMA_DEBUG_IDX, index) | 150762306a36Sopenharmony_ci MT_WPDMA_DEBUG_SEL); 150862306a36Sopenharmony_ci 150962306a36Sopenharmony_ci val = mt76_rr(dev, MT_WPDMA_DEBUG); 151062306a36Sopenharmony_ci return FIELD_GET(MT_WPDMA_DEBUG_VALUE, val); 151162306a36Sopenharmony_ci} 151262306a36Sopenharmony_ci 151362306a36Sopenharmony_cistatic bool mt7603_rx_fifo_busy(struct mt7603_dev *dev) 151462306a36Sopenharmony_ci{ 151562306a36Sopenharmony_ci if (is_mt7628(dev)) 151662306a36Sopenharmony_ci return mt7603_dma_debug(dev, 9) & BIT(9); 151762306a36Sopenharmony_ci 151862306a36Sopenharmony_ci return mt7603_dma_debug(dev, 2) & BIT(8); 151962306a36Sopenharmony_ci} 152062306a36Sopenharmony_ci 152162306a36Sopenharmony_cistatic bool mt7603_rx_dma_busy(struct mt7603_dev *dev) 152262306a36Sopenharmony_ci{ 152362306a36Sopenharmony_ci if (!(mt76_rr(dev, MT_WPDMA_GLO_CFG) & MT_WPDMA_GLO_CFG_RX_DMA_BUSY)) 152462306a36Sopenharmony_ci return false; 152562306a36Sopenharmony_ci 152662306a36Sopenharmony_ci return mt7603_rx_fifo_busy(dev); 152762306a36Sopenharmony_ci} 152862306a36Sopenharmony_ci 152962306a36Sopenharmony_cistatic bool mt7603_tx_dma_busy(struct mt7603_dev *dev) 153062306a36Sopenharmony_ci{ 153162306a36Sopenharmony_ci u32 val; 153262306a36Sopenharmony_ci 153362306a36Sopenharmony_ci if (!(mt76_rr(dev, MT_WPDMA_GLO_CFG) & MT_WPDMA_GLO_CFG_TX_DMA_BUSY)) 153462306a36Sopenharmony_ci return false; 153562306a36Sopenharmony_ci 153662306a36Sopenharmony_ci val = mt7603_dma_debug(dev, 9); 153762306a36Sopenharmony_ci return (val & BIT(8)) && (val & 0xf) != 0xf; 153862306a36Sopenharmony_ci} 153962306a36Sopenharmony_ci 154062306a36Sopenharmony_cistatic bool mt7603_tx_hang(struct mt7603_dev *dev) 154162306a36Sopenharmony_ci{ 154262306a36Sopenharmony_ci struct mt76_queue *q; 154362306a36Sopenharmony_ci u32 dma_idx, prev_dma_idx; 154462306a36Sopenharmony_ci int i; 154562306a36Sopenharmony_ci 154662306a36Sopenharmony_ci for (i = 0; i < 4; i++) { 154762306a36Sopenharmony_ci q = dev->mphy.q_tx[i]; 154862306a36Sopenharmony_ci 154962306a36Sopenharmony_ci if (!q->queued) 155062306a36Sopenharmony_ci continue; 155162306a36Sopenharmony_ci 155262306a36Sopenharmony_ci prev_dma_idx = dev->tx_dma_idx[i]; 155362306a36Sopenharmony_ci dma_idx = readl(&q->regs->dma_idx); 155462306a36Sopenharmony_ci dev->tx_dma_idx[i] = dma_idx; 155562306a36Sopenharmony_ci 155662306a36Sopenharmony_ci if (dma_idx == prev_dma_idx && 155762306a36Sopenharmony_ci dma_idx != readl(&q->regs->cpu_idx)) 155862306a36Sopenharmony_ci break; 155962306a36Sopenharmony_ci } 156062306a36Sopenharmony_ci 156162306a36Sopenharmony_ci return i < 4; 156262306a36Sopenharmony_ci} 156362306a36Sopenharmony_ci 156462306a36Sopenharmony_cistatic bool mt7603_rx_pse_busy(struct mt7603_dev *dev) 156562306a36Sopenharmony_ci{ 156662306a36Sopenharmony_ci u32 addr, val; 156762306a36Sopenharmony_ci 156862306a36Sopenharmony_ci if (mt7603_rx_fifo_busy(dev)) 156962306a36Sopenharmony_ci goto out; 157062306a36Sopenharmony_ci 157162306a36Sopenharmony_ci addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR + MT_CLIENT_STATUS); 157262306a36Sopenharmony_ci mt76_wr(dev, addr, 3); 157362306a36Sopenharmony_ci val = mt76_rr(dev, addr) >> 16; 157462306a36Sopenharmony_ci 157562306a36Sopenharmony_ci if (!(val & BIT(0))) 157662306a36Sopenharmony_ci return false; 157762306a36Sopenharmony_ci 157862306a36Sopenharmony_ci if (is_mt7628(dev)) 157962306a36Sopenharmony_ci val &= 0xa000; 158062306a36Sopenharmony_ci else 158162306a36Sopenharmony_ci val &= 0x8000; 158262306a36Sopenharmony_ci if (!val) 158362306a36Sopenharmony_ci return false; 158462306a36Sopenharmony_ci 158562306a36Sopenharmony_ciout: 158662306a36Sopenharmony_ci if (mt76_rr(dev, MT_INT_SOURCE_CSR) & 158762306a36Sopenharmony_ci (MT_INT_RX_DONE(0) | MT_INT_RX_DONE(1))) 158862306a36Sopenharmony_ci return false; 158962306a36Sopenharmony_ci 159062306a36Sopenharmony_ci return true; 159162306a36Sopenharmony_ci} 159262306a36Sopenharmony_ci 159362306a36Sopenharmony_cistatic bool 159462306a36Sopenharmony_cimt7603_watchdog_check(struct mt7603_dev *dev, u8 *counter, 159562306a36Sopenharmony_ci enum mt7603_reset_cause cause, 159662306a36Sopenharmony_ci bool (*check)(struct mt7603_dev *dev)) 159762306a36Sopenharmony_ci{ 159862306a36Sopenharmony_ci if (dev->reset_test == cause + 1) { 159962306a36Sopenharmony_ci dev->reset_test = 0; 160062306a36Sopenharmony_ci goto trigger; 160162306a36Sopenharmony_ci } 160262306a36Sopenharmony_ci 160362306a36Sopenharmony_ci if (check) { 160462306a36Sopenharmony_ci if (!check(dev) && *counter < MT7603_WATCHDOG_TIMEOUT) { 160562306a36Sopenharmony_ci *counter = 0; 160662306a36Sopenharmony_ci return false; 160762306a36Sopenharmony_ci } 160862306a36Sopenharmony_ci 160962306a36Sopenharmony_ci (*counter)++; 161062306a36Sopenharmony_ci } 161162306a36Sopenharmony_ci 161262306a36Sopenharmony_ci if (*counter < MT7603_WATCHDOG_TIMEOUT) 161362306a36Sopenharmony_ci return false; 161462306a36Sopenharmony_citrigger: 161562306a36Sopenharmony_ci dev->cur_reset_cause = cause; 161662306a36Sopenharmony_ci dev->reset_cause[cause]++; 161762306a36Sopenharmony_ci return true; 161862306a36Sopenharmony_ci} 161962306a36Sopenharmony_ci 162062306a36Sopenharmony_civoid mt7603_update_channel(struct mt76_phy *mphy) 162162306a36Sopenharmony_ci{ 162262306a36Sopenharmony_ci struct mt7603_dev *dev = container_of(mphy->dev, struct mt7603_dev, mt76); 162362306a36Sopenharmony_ci struct mt76_channel_state *state; 162462306a36Sopenharmony_ci 162562306a36Sopenharmony_ci state = mphy->chan_state; 162662306a36Sopenharmony_ci state->cc_busy += mt76_rr(dev, MT_MIB_STAT_CCA); 162762306a36Sopenharmony_ci} 162862306a36Sopenharmony_ci 162962306a36Sopenharmony_civoid 163062306a36Sopenharmony_cimt7603_edcca_set_strict(struct mt7603_dev *dev, bool val) 163162306a36Sopenharmony_ci{ 163262306a36Sopenharmony_ci u32 rxtd_6 = 0xd7c80000; 163362306a36Sopenharmony_ci 163462306a36Sopenharmony_ci if (val == dev->ed_strict_mode) 163562306a36Sopenharmony_ci return; 163662306a36Sopenharmony_ci 163762306a36Sopenharmony_ci dev->ed_strict_mode = val; 163862306a36Sopenharmony_ci 163962306a36Sopenharmony_ci /* Ensure that ED/CCA does not trigger if disabled */ 164062306a36Sopenharmony_ci if (!dev->ed_monitor) 164162306a36Sopenharmony_ci rxtd_6 |= FIELD_PREP(MT_RXTD_6_CCAED_TH, 0x34); 164262306a36Sopenharmony_ci else 164362306a36Sopenharmony_ci rxtd_6 |= FIELD_PREP(MT_RXTD_6_CCAED_TH, 0x7d); 164462306a36Sopenharmony_ci 164562306a36Sopenharmony_ci if (dev->ed_monitor && !dev->ed_strict_mode) 164662306a36Sopenharmony_ci rxtd_6 |= FIELD_PREP(MT_RXTD_6_ACI_TH, 0x0f); 164762306a36Sopenharmony_ci else 164862306a36Sopenharmony_ci rxtd_6 |= FIELD_PREP(MT_RXTD_6_ACI_TH, 0x10); 164962306a36Sopenharmony_ci 165062306a36Sopenharmony_ci mt76_wr(dev, MT_RXTD(6), rxtd_6); 165162306a36Sopenharmony_ci 165262306a36Sopenharmony_ci mt76_rmw_field(dev, MT_RXTD(13), MT_RXTD_13_ACI_TH_EN, 165362306a36Sopenharmony_ci dev->ed_monitor && !dev->ed_strict_mode); 165462306a36Sopenharmony_ci} 165562306a36Sopenharmony_ci 165662306a36Sopenharmony_cistatic void 165762306a36Sopenharmony_cimt7603_edcca_check(struct mt7603_dev *dev) 165862306a36Sopenharmony_ci{ 165962306a36Sopenharmony_ci u32 val = mt76_rr(dev, MT_AGC(41)); 166062306a36Sopenharmony_ci ktime_t cur_time; 166162306a36Sopenharmony_ci int rssi0, rssi1; 166262306a36Sopenharmony_ci u32 active; 166362306a36Sopenharmony_ci u32 ed_busy; 166462306a36Sopenharmony_ci 166562306a36Sopenharmony_ci if (!dev->ed_monitor) 166662306a36Sopenharmony_ci return; 166762306a36Sopenharmony_ci 166862306a36Sopenharmony_ci rssi0 = FIELD_GET(MT_AGC_41_RSSI_0, val); 166962306a36Sopenharmony_ci if (rssi0 > 128) 167062306a36Sopenharmony_ci rssi0 -= 256; 167162306a36Sopenharmony_ci 167262306a36Sopenharmony_ci if (dev->mphy.antenna_mask & BIT(1)) { 167362306a36Sopenharmony_ci rssi1 = FIELD_GET(MT_AGC_41_RSSI_1, val); 167462306a36Sopenharmony_ci if (rssi1 > 128) 167562306a36Sopenharmony_ci rssi1 -= 256; 167662306a36Sopenharmony_ci } else { 167762306a36Sopenharmony_ci rssi1 = rssi0; 167862306a36Sopenharmony_ci } 167962306a36Sopenharmony_ci 168062306a36Sopenharmony_ci if (max(rssi0, rssi1) >= -40 && 168162306a36Sopenharmony_ci dev->ed_strong_signal < MT7603_EDCCA_BLOCK_TH) 168262306a36Sopenharmony_ci dev->ed_strong_signal++; 168362306a36Sopenharmony_ci else if (dev->ed_strong_signal > 0) 168462306a36Sopenharmony_ci dev->ed_strong_signal--; 168562306a36Sopenharmony_ci 168662306a36Sopenharmony_ci cur_time = ktime_get_boottime(); 168762306a36Sopenharmony_ci ed_busy = mt76_rr(dev, MT_MIB_STAT_ED) & MT_MIB_STAT_ED_MASK; 168862306a36Sopenharmony_ci 168962306a36Sopenharmony_ci active = ktime_to_us(ktime_sub(cur_time, dev->ed_time)); 169062306a36Sopenharmony_ci dev->ed_time = cur_time; 169162306a36Sopenharmony_ci 169262306a36Sopenharmony_ci if (!active) 169362306a36Sopenharmony_ci return; 169462306a36Sopenharmony_ci 169562306a36Sopenharmony_ci if (100 * ed_busy / active > 90) { 169662306a36Sopenharmony_ci if (dev->ed_trigger < 0) 169762306a36Sopenharmony_ci dev->ed_trigger = 0; 169862306a36Sopenharmony_ci dev->ed_trigger++; 169962306a36Sopenharmony_ci } else { 170062306a36Sopenharmony_ci if (dev->ed_trigger > 0) 170162306a36Sopenharmony_ci dev->ed_trigger = 0; 170262306a36Sopenharmony_ci dev->ed_trigger--; 170362306a36Sopenharmony_ci } 170462306a36Sopenharmony_ci 170562306a36Sopenharmony_ci if (dev->ed_trigger > MT7603_EDCCA_BLOCK_TH || 170662306a36Sopenharmony_ci dev->ed_strong_signal < MT7603_EDCCA_BLOCK_TH / 2) { 170762306a36Sopenharmony_ci mt7603_edcca_set_strict(dev, true); 170862306a36Sopenharmony_ci } else if (dev->ed_trigger < -MT7603_EDCCA_BLOCK_TH) { 170962306a36Sopenharmony_ci mt7603_edcca_set_strict(dev, false); 171062306a36Sopenharmony_ci } 171162306a36Sopenharmony_ci 171262306a36Sopenharmony_ci if (dev->ed_trigger > MT7603_EDCCA_BLOCK_TH) 171362306a36Sopenharmony_ci dev->ed_trigger = MT7603_EDCCA_BLOCK_TH; 171462306a36Sopenharmony_ci else if (dev->ed_trigger < -MT7603_EDCCA_BLOCK_TH) 171562306a36Sopenharmony_ci dev->ed_trigger = -MT7603_EDCCA_BLOCK_TH; 171662306a36Sopenharmony_ci} 171762306a36Sopenharmony_ci 171862306a36Sopenharmony_civoid mt7603_cca_stats_reset(struct mt7603_dev *dev) 171962306a36Sopenharmony_ci{ 172062306a36Sopenharmony_ci mt76_set(dev, MT_PHYCTRL(2), MT_PHYCTRL_2_STATUS_RESET); 172162306a36Sopenharmony_ci mt76_clear(dev, MT_PHYCTRL(2), MT_PHYCTRL_2_STATUS_RESET); 172262306a36Sopenharmony_ci mt76_set(dev, MT_PHYCTRL(2), MT_PHYCTRL_2_STATUS_EN); 172362306a36Sopenharmony_ci} 172462306a36Sopenharmony_ci 172562306a36Sopenharmony_cistatic void 172662306a36Sopenharmony_cimt7603_adjust_sensitivity(struct mt7603_dev *dev) 172762306a36Sopenharmony_ci{ 172862306a36Sopenharmony_ci u32 agc0 = dev->agc0, agc3 = dev->agc3; 172962306a36Sopenharmony_ci u32 adj; 173062306a36Sopenharmony_ci 173162306a36Sopenharmony_ci if (!dev->sensitivity || dev->sensitivity < -100) { 173262306a36Sopenharmony_ci dev->sensitivity = 0; 173362306a36Sopenharmony_ci } else if (dev->sensitivity <= -84) { 173462306a36Sopenharmony_ci adj = 7 + (dev->sensitivity + 92) / 2; 173562306a36Sopenharmony_ci 173662306a36Sopenharmony_ci agc0 = 0x56f0076f; 173762306a36Sopenharmony_ci agc0 |= adj << 12; 173862306a36Sopenharmony_ci agc0 |= adj << 16; 173962306a36Sopenharmony_ci agc3 = 0x81d0d5e3; 174062306a36Sopenharmony_ci } else if (dev->sensitivity <= -72) { 174162306a36Sopenharmony_ci adj = 7 + (dev->sensitivity + 80) / 2; 174262306a36Sopenharmony_ci 174362306a36Sopenharmony_ci agc0 = 0x6af0006f; 174462306a36Sopenharmony_ci agc0 |= adj << 8; 174562306a36Sopenharmony_ci agc0 |= adj << 12; 174662306a36Sopenharmony_ci agc0 |= adj << 16; 174762306a36Sopenharmony_ci 174862306a36Sopenharmony_ci agc3 = 0x8181d5e3; 174962306a36Sopenharmony_ci } else { 175062306a36Sopenharmony_ci if (dev->sensitivity > -54) 175162306a36Sopenharmony_ci dev->sensitivity = -54; 175262306a36Sopenharmony_ci 175362306a36Sopenharmony_ci adj = 7 + (dev->sensitivity + 80) / 2; 175462306a36Sopenharmony_ci 175562306a36Sopenharmony_ci agc0 = 0x7ff0000f; 175662306a36Sopenharmony_ci agc0 |= adj << 4; 175762306a36Sopenharmony_ci agc0 |= adj << 8; 175862306a36Sopenharmony_ci agc0 |= adj << 12; 175962306a36Sopenharmony_ci agc0 |= adj << 16; 176062306a36Sopenharmony_ci 176162306a36Sopenharmony_ci agc3 = 0x818181e3; 176262306a36Sopenharmony_ci } 176362306a36Sopenharmony_ci 176462306a36Sopenharmony_ci mt76_wr(dev, MT_AGC(0), agc0); 176562306a36Sopenharmony_ci mt76_wr(dev, MT_AGC1(0), agc0); 176662306a36Sopenharmony_ci 176762306a36Sopenharmony_ci mt76_wr(dev, MT_AGC(3), agc3); 176862306a36Sopenharmony_ci mt76_wr(dev, MT_AGC1(3), agc3); 176962306a36Sopenharmony_ci} 177062306a36Sopenharmony_ci 177162306a36Sopenharmony_cistatic void 177262306a36Sopenharmony_cimt7603_false_cca_check(struct mt7603_dev *dev) 177362306a36Sopenharmony_ci{ 177462306a36Sopenharmony_ci int pd_cck, pd_ofdm, mdrdy_cck, mdrdy_ofdm; 177562306a36Sopenharmony_ci int false_cca; 177662306a36Sopenharmony_ci int min_signal; 177762306a36Sopenharmony_ci u32 val; 177862306a36Sopenharmony_ci 177962306a36Sopenharmony_ci if (!dev->dynamic_sensitivity) 178062306a36Sopenharmony_ci return; 178162306a36Sopenharmony_ci 178262306a36Sopenharmony_ci val = mt76_rr(dev, MT_PHYCTRL_STAT_PD); 178362306a36Sopenharmony_ci pd_cck = FIELD_GET(MT_PHYCTRL_STAT_PD_CCK, val); 178462306a36Sopenharmony_ci pd_ofdm = FIELD_GET(MT_PHYCTRL_STAT_PD_OFDM, val); 178562306a36Sopenharmony_ci 178662306a36Sopenharmony_ci val = mt76_rr(dev, MT_PHYCTRL_STAT_MDRDY); 178762306a36Sopenharmony_ci mdrdy_cck = FIELD_GET(MT_PHYCTRL_STAT_MDRDY_CCK, val); 178862306a36Sopenharmony_ci mdrdy_ofdm = FIELD_GET(MT_PHYCTRL_STAT_MDRDY_OFDM, val); 178962306a36Sopenharmony_ci 179062306a36Sopenharmony_ci dev->false_cca_ofdm = pd_ofdm - mdrdy_ofdm; 179162306a36Sopenharmony_ci dev->false_cca_cck = pd_cck - mdrdy_cck; 179262306a36Sopenharmony_ci 179362306a36Sopenharmony_ci mt7603_cca_stats_reset(dev); 179462306a36Sopenharmony_ci 179562306a36Sopenharmony_ci min_signal = mt76_get_min_avg_rssi(&dev->mt76, false); 179662306a36Sopenharmony_ci if (!min_signal) { 179762306a36Sopenharmony_ci dev->sensitivity = 0; 179862306a36Sopenharmony_ci dev->last_cca_adj = jiffies; 179962306a36Sopenharmony_ci goto out; 180062306a36Sopenharmony_ci } 180162306a36Sopenharmony_ci 180262306a36Sopenharmony_ci min_signal -= 15; 180362306a36Sopenharmony_ci 180462306a36Sopenharmony_ci false_cca = dev->false_cca_ofdm + dev->false_cca_cck; 180562306a36Sopenharmony_ci if (false_cca > 600 && 180662306a36Sopenharmony_ci dev->sensitivity < -100 + dev->sensitivity_limit) { 180762306a36Sopenharmony_ci if (!dev->sensitivity) 180862306a36Sopenharmony_ci dev->sensitivity = -92; 180962306a36Sopenharmony_ci else 181062306a36Sopenharmony_ci dev->sensitivity += 2; 181162306a36Sopenharmony_ci dev->last_cca_adj = jiffies; 181262306a36Sopenharmony_ci } else if (false_cca < 100 || 181362306a36Sopenharmony_ci time_after(jiffies, dev->last_cca_adj + 10 * HZ)) { 181462306a36Sopenharmony_ci dev->last_cca_adj = jiffies; 181562306a36Sopenharmony_ci if (!dev->sensitivity) 181662306a36Sopenharmony_ci goto out; 181762306a36Sopenharmony_ci 181862306a36Sopenharmony_ci dev->sensitivity -= 2; 181962306a36Sopenharmony_ci } 182062306a36Sopenharmony_ci 182162306a36Sopenharmony_ci if (dev->sensitivity && dev->sensitivity > min_signal) { 182262306a36Sopenharmony_ci dev->sensitivity = min_signal; 182362306a36Sopenharmony_ci dev->last_cca_adj = jiffies; 182462306a36Sopenharmony_ci } 182562306a36Sopenharmony_ci 182662306a36Sopenharmony_ciout: 182762306a36Sopenharmony_ci mt7603_adjust_sensitivity(dev); 182862306a36Sopenharmony_ci} 182962306a36Sopenharmony_ci 183062306a36Sopenharmony_civoid mt7603_mac_work(struct work_struct *work) 183162306a36Sopenharmony_ci{ 183262306a36Sopenharmony_ci struct mt7603_dev *dev = container_of(work, struct mt7603_dev, 183362306a36Sopenharmony_ci mphy.mac_work.work); 183462306a36Sopenharmony_ci bool reset = false; 183562306a36Sopenharmony_ci int i, idx; 183662306a36Sopenharmony_ci 183762306a36Sopenharmony_ci mt76_tx_status_check(&dev->mt76, false); 183862306a36Sopenharmony_ci 183962306a36Sopenharmony_ci mutex_lock(&dev->mt76.mutex); 184062306a36Sopenharmony_ci 184162306a36Sopenharmony_ci dev->mphy.mac_work_count++; 184262306a36Sopenharmony_ci mt76_update_survey(&dev->mphy); 184362306a36Sopenharmony_ci mt7603_edcca_check(dev); 184462306a36Sopenharmony_ci 184562306a36Sopenharmony_ci for (i = 0, idx = 0; i < 2; i++) { 184662306a36Sopenharmony_ci u32 val = mt76_rr(dev, MT_TX_AGG_CNT(i)); 184762306a36Sopenharmony_ci 184862306a36Sopenharmony_ci dev->mphy.aggr_stats[idx++] += val & 0xffff; 184962306a36Sopenharmony_ci dev->mphy.aggr_stats[idx++] += val >> 16; 185062306a36Sopenharmony_ci } 185162306a36Sopenharmony_ci 185262306a36Sopenharmony_ci if (dev->mphy.mac_work_count == 10) 185362306a36Sopenharmony_ci mt7603_false_cca_check(dev); 185462306a36Sopenharmony_ci 185562306a36Sopenharmony_ci if (mt7603_watchdog_check(dev, &dev->rx_pse_check, 185662306a36Sopenharmony_ci RESET_CAUSE_RX_PSE_BUSY, 185762306a36Sopenharmony_ci mt7603_rx_pse_busy) || 185862306a36Sopenharmony_ci mt7603_watchdog_check(dev, &dev->beacon_check, 185962306a36Sopenharmony_ci RESET_CAUSE_BEACON_STUCK, 186062306a36Sopenharmony_ci NULL) || 186162306a36Sopenharmony_ci mt7603_watchdog_check(dev, &dev->tx_hang_check, 186262306a36Sopenharmony_ci RESET_CAUSE_TX_HANG, 186362306a36Sopenharmony_ci mt7603_tx_hang) || 186462306a36Sopenharmony_ci mt7603_watchdog_check(dev, &dev->tx_dma_check, 186562306a36Sopenharmony_ci RESET_CAUSE_TX_BUSY, 186662306a36Sopenharmony_ci mt7603_tx_dma_busy) || 186762306a36Sopenharmony_ci mt7603_watchdog_check(dev, &dev->rx_dma_check, 186862306a36Sopenharmony_ci RESET_CAUSE_RX_BUSY, 186962306a36Sopenharmony_ci mt7603_rx_dma_busy) || 187062306a36Sopenharmony_ci mt7603_watchdog_check(dev, &dev->mcu_hang, 187162306a36Sopenharmony_ci RESET_CAUSE_MCU_HANG, 187262306a36Sopenharmony_ci NULL) || 187362306a36Sopenharmony_ci dev->reset_cause[RESET_CAUSE_RESET_FAILED]) { 187462306a36Sopenharmony_ci dev->beacon_check = 0; 187562306a36Sopenharmony_ci dev->tx_dma_check = 0; 187662306a36Sopenharmony_ci dev->tx_hang_check = 0; 187762306a36Sopenharmony_ci dev->rx_dma_check = 0; 187862306a36Sopenharmony_ci dev->rx_pse_check = 0; 187962306a36Sopenharmony_ci dev->mcu_hang = 0; 188062306a36Sopenharmony_ci dev->rx_dma_idx = ~0; 188162306a36Sopenharmony_ci memset(dev->tx_dma_idx, 0xff, sizeof(dev->tx_dma_idx)); 188262306a36Sopenharmony_ci reset = true; 188362306a36Sopenharmony_ci dev->mphy.mac_work_count = 0; 188462306a36Sopenharmony_ci } 188562306a36Sopenharmony_ci 188662306a36Sopenharmony_ci if (dev->mphy.mac_work_count >= 10) 188762306a36Sopenharmony_ci dev->mphy.mac_work_count = 0; 188862306a36Sopenharmony_ci 188962306a36Sopenharmony_ci mutex_unlock(&dev->mt76.mutex); 189062306a36Sopenharmony_ci 189162306a36Sopenharmony_ci if (reset) 189262306a36Sopenharmony_ci mt7603_mac_watchdog_reset(dev); 189362306a36Sopenharmony_ci 189462306a36Sopenharmony_ci ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work, 189562306a36Sopenharmony_ci msecs_to_jiffies(MT7603_WATCHDOG_TIME)); 189662306a36Sopenharmony_ci} 1897