diff options
author | Felix Fietkau <nbd@nbd.name> | 2021-12-06 15:45:54 +0300 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2022-05-13 10:39:35 +0300 |
commit | f68d67623dec9445960b52a0e9e8e60297596b4b (patch) | |
tree | e649144377b94fdf812516926a1686c01bb6ca09 | |
parent | 61b5156bf02dbd642de94eb61a3bc4ab6f8bfb71 (diff) | |
download | linux-f68d67623dec9445960b52a0e9e8e60297596b4b.tar.xz |
mt76: mt7915: add Wireless Ethernet Dispatch support
This is used to support hardware flow offloading from Ethernet to WLAN
Signed-off-by: Felix Fietkau <nbd@nbd.name>
18 files changed, 502 insertions, 94 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 83787fc01e4e..30de8be4aac1 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -7,9 +7,36 @@ #include "mt76.h" #include "dma.h" -#define Q_READ(_dev, _q, _field) readl(&(_q)->regs->_field) -#define Q_WRITE(_dev, _q, _field, _val) writel(_val, &(_q)->regs->_field) +#if IS_ENABLED(CONFIG_NET_MEDIATEK_SOC_WED) + +#define Q_READ(_dev, _q, _field) ({ \ + u32 _offset = offsetof(struct mt76_queue_regs, _field); \ + u32 _val; \ + if ((_q)->flags & MT_QFLAG_WED) \ + _val = mtk_wed_device_reg_read(&(_dev)->mmio.wed, \ + ((_q)->wed_regs + \ + _offset)); \ + else \ + _val = readl(&(_q)->regs->_field); \ + _val; \ +}) + +#define Q_WRITE(_dev, _q, _field, _val) do { \ + u32 _offset = offsetof(struct mt76_queue_regs, _field); \ + if ((_q)->flags & MT_QFLAG_WED) \ + mtk_wed_device_reg_write(&(_dev)->mmio.wed, \ + ((_q)->wed_regs + _offset), \ + _val); \ + else \ + writel(_val, &(_q)->regs->_field); \ +} while (0) + +#else + +#define Q_READ(_dev, _q, _field) readl(&(_q)->regs->_field) +#define Q_WRITE(_dev, _q, _field, _val) writel(_val, &(_q)->regs->_field) +#endif static struct mt76_txwi_cache * mt76_alloc_txwi(struct mt76_dev *dev) @@ -112,36 +139,6 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q) } static int -mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q, - int idx, int n_desc, int bufsize, - u32 ring_base) -{ - int size; - - spin_lock_init(&q->lock); - spin_lock_init(&q->cleanup_lock); - - q->regs = dev->mmio.regs + ring_base + idx * MT_RING_SIZE; - q->ndesc = n_desc; - q->buf_size = bufsize; - q->hw_idx = idx; - - size = q->ndesc * sizeof(struct mt76_desc); - q->desc = dmam_alloc_coherent(dev->dma_dev, size, &q->desc_dma, GFP_KERNEL); - if (!q->desc) - return -ENOMEM; - - size = q->ndesc * sizeof(*q->entry); - q->entry = devm_kzalloc(dev->dev, size, GFP_KERNEL); - if (!q->entry) - return -ENOMEM; - - mt76_dma_queue_reset(dev, q); - - return 0; -} - -static int mt76_dma_add_buf(struct mt76_dev *dev, struct mt76_queue *q, struct mt76_queue_buf *buf, int nbufs, u32 info, struct sk_buff *skb, void *txwi) @@ -486,6 +483,85 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q) return frames; } +static int +mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q) +{ +#ifdef CONFIG_NET_MEDIATEK_SOC_WED + struct mtk_wed_device *wed = &dev->mmio.wed; + int ret, type, ring; + u8 flags = q->flags; + + if (!mtk_wed_device_active(wed)) + q->flags &= ~MT_QFLAG_WED; + + if (!(q->flags & MT_QFLAG_WED)) + return 0; + + type = FIELD_GET(MT_QFLAG_WED_TYPE, q->flags); + ring = FIELD_GET(MT_QFLAG_WED_RING, q->flags); + + switch (type) { + case MT76_WED_Q_TX: + ret = mtk_wed_device_tx_ring_setup(wed, ring, q->regs); + if (!ret) + q->wed_regs = wed->tx_ring[ring].reg_base; + break; + case MT76_WED_Q_TXFREE: + /* WED txfree queue needs ring to be initialized before setup */ + q->flags = 0; + mt76_dma_queue_reset(dev, q); + mt76_dma_rx_fill(dev, q); + q->flags = flags; + + ret = mtk_wed_device_txfree_ring_setup(wed, q->regs); + if (!ret) + q->wed_regs = wed->txfree_ring.reg_base; + break; + default: + ret = -EINVAL; + } + + return ret; +#else + return 0; +#endif +} + +static int +mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q, + int idx, int n_desc, int bufsize, + u32 ring_base) +{ + int ret, size; + + spin_lock_init(&q->lock); + spin_lock_init(&q->cleanup_lock); + + q->regs = dev->mmio.regs + ring_base + idx * MT_RING_SIZE; + q->ndesc = n_desc; + q->buf_size = bufsize; + q->hw_idx = idx; + + size = q->ndesc * sizeof(struct mt76_desc); + q->desc = dmam_alloc_coherent(dev->dma_dev, size, &q->desc_dma, GFP_KERNEL); + if (!q->desc) + return -ENOMEM; + + size = q->ndesc * sizeof(*q->entry); + q->entry = devm_kzalloc(dev->dev, size, GFP_KERNEL); + if (!q->entry) + return -ENOMEM; + + ret = mt76_dma_wed_setup(dev, q); + if (ret) + return ret; + + if (q->flags != MT_WED_Q_TXFREE) + mt76_dma_queue_reset(dev, q); + + return 0; +} + static void mt76_dma_rx_cleanup(struct mt76_dev *dev, struct mt76_queue *q) { @@ -567,14 +643,29 @@ mt76_add_fragment(struct mt76_dev *dev, struct mt76_queue *q, void *data, static int mt76_dma_rx_process(struct mt76_dev *dev, struct mt76_queue *q, int budget) { - int len, data_len, done = 0; + int len, data_len, done = 0, dma_idx; struct sk_buff *skb; unsigned char *data; + bool check_ddone = false; bool more; + if (IS_ENABLED(CONFIG_NET_MEDIATEK_SOC_WED) && + q->flags == MT_WED_Q_TXFREE) { + dma_idx = Q_READ(dev, q, dma_idx); + check_ddone = true; + } + while (done < budget) { u32 info; + if (check_ddone) { + if (q->tail == dma_idx) + dma_idx = Q_READ(dev, q, dma_idx); + + if (q->tail == dma_idx) + break; + } + data = mt76_dma_dequeue(dev, q, false, &len, &info, &more); if (!data) break; @@ -715,5 +806,8 @@ void mt76_dma_cleanup(struct mt76_dev *dev) } mt76_free_pending_txwi(dev); + + if (mtk_wed_device_active(&dev->mmio.wed)) + mtk_wed_device_detach(&dev->mmio.wed); } EXPORT_SYMBOL_GPL(mt76_dma_cleanup); diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index 9056d09d6c33..18b5de55334c 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -1582,7 +1582,7 @@ EXPORT_SYMBOL_GPL(mt76_get_antenna); struct mt76_queue * mt76_init_queue(struct mt76_dev *dev, int qid, int idx, int n_desc, - int ring_base) + int ring_base, u32 flags) { struct mt76_queue *hwq; int err; @@ -1591,6 +1591,8 @@ mt76_init_queue(struct mt76_dev *dev, int qid, int idx, int n_desc, if (!hwq) return ERR_PTR(-ENOMEM); + hwq->flags = flags; + err = dev->queue_ops->alloc(dev, hwq, idx, n_desc, 0, ring_base); if (err < 0) return ERR_PTR(err); diff --git a/drivers/net/wireless/mediatek/mt76/mmio.c b/drivers/net/wireless/mediatek/mt76/mmio.c index 26353b6bce97..86e3d2ac4d0d 100644 --- a/drivers/net/wireless/mediatek/mt76/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mmio.c @@ -73,8 +73,13 @@ void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr, spin_lock_irqsave(&dev->mmio.irq_lock, flags); dev->mmio.irqmask &= ~clear; dev->mmio.irqmask |= set; - if (addr) - mt76_mmio_wr(dev, addr, dev->mmio.irqmask); + if (addr) { + if (mtk_wed_device_active(&dev->mmio.wed)) + mtk_wed_device_irq_set_mask(&dev->mmio.wed, + dev->mmio.irqmask); + else + mt76_mmio_wr(dev, addr, dev->mmio.irqmask); + } spin_unlock_irqrestore(&dev->mmio.irq_lock, flags); } EXPORT_SYMBOL_GPL(mt76_set_irq_mask); diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index dce86846e648..dc0f1b0aa34a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -13,6 +13,7 @@ #include <linux/leds.h> #include <linux/usb.h> #include <linux/average.h> +#include <linux/soc/mediatek/mtk_wed.h> #include <net/mac80211.h> #include "util.h" #include "testmode.h" @@ -26,6 +27,16 @@ #define MT76_TOKEN_FREE_THR 64 +#define MT_QFLAG_WED_RING GENMASK(1, 0) +#define MT_QFLAG_WED_TYPE GENMASK(3, 2) +#define MT_QFLAG_WED BIT(4) + +#define __MT_WED_Q(_type, _n) (MT_QFLAG_WED | \ + FIELD_PREP(MT_QFLAG_WED_TYPE, _type) | \ + FIELD_PREP(MT_QFLAG_WED_RING, _n)) +#define MT_WED_Q_TX(_n) __MT_WED_Q(MT76_WED_Q_TX, _n) +#define MT_WED_Q_TXFREE __MT_WED_Q(MT76_WED_Q_TXFREE, 0) + struct mt76_dev; struct mt76_phy; struct mt76_wcid; @@ -42,6 +53,11 @@ enum mt76_bus_type { MT76_BUS_SDIO, }; +enum mt76_wed_type { + MT76_WED_Q_TX, + MT76_WED_Q_TXFREE, +}; + struct mt76_bus_ops { u32 (*rr)(struct mt76_dev *dev, u32 offset); void (*wr)(struct mt76_dev *dev, u32 offset, u32 val); @@ -170,6 +186,9 @@ struct mt76_queue { u8 buf_offset; u8 hw_idx; u8 qid; + u8 flags; + + u32 wed_regs; dma_addr_t desc_dma; struct sk_buff *rx_head; @@ -537,6 +556,8 @@ struct mt76_mmio { void __iomem *regs; spinlock_t irq_lock; u32 irqmask; + + struct mtk_wed_device wed; }; struct mt76_rx_status { @@ -719,6 +740,7 @@ struct mt76_dev { spinlock_t token_lock; struct idr token; + u16 wed_token_count; u16 token_count; u16 token_size; @@ -944,14 +966,14 @@ int mt76_get_of_eeprom(struct mt76_dev *dev, void *data, int offset, int len); struct mt76_queue * mt76_init_queue(struct mt76_dev *dev, int qid, int idx, int n_desc, - int ring_base); + int ring_base, u32 flags); u16 mt76_calculate_default_rate(struct mt76_phy *phy, int rateidx); static inline int mt76_init_tx_queue(struct mt76_phy *phy, int qid, int idx, - int n_desc, int ring_base) + int n_desc, int ring_base, u32 flags) { struct mt76_queue *q; - q = mt76_init_queue(phy->dev, qid, idx, n_desc, ring_base); + q = mt76_init_queue(phy->dev, qid, idx, n_desc, ring_base, flags); if (IS_ERR(q)) return PTR_ERR(q); @@ -966,7 +988,7 @@ static inline int mt76_init_mcu_queue(struct mt76_dev *dev, int qid, int idx, { struct mt76_queue *q; - q = mt76_init_queue(dev, qid, idx, n_desc, ring_base); + q = mt76_init_queue(dev, qid, idx, n_desc, ring_base, 0); if (IS_ERR(q)) return PTR_ERR(q); diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/dma.c b/drivers/net/wireless/mediatek/mt76/mt7603/dma.c index 2c1c79dc7fda..f9e5857850e7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/dma.c @@ -173,13 +173,13 @@ int mt7603_dma_init(struct mt7603_dev *dev) for (i = 0; i < ARRAY_SIZE(wmm_queue_map); i++) { ret = mt76_init_tx_queue(&dev->mphy, i, wmm_queue_map[i], - MT7603_TX_RING_SIZE, MT_TX_RING_BASE); + MT7603_TX_RING_SIZE, MT_TX_RING_BASE, 0); if (ret) return ret; } ret = mt76_init_tx_queue(&dev->mphy, MT_TXQ_PSD, MT_TX_HW_QUEUE_MGMT, - MT7603_PSD_RING_SIZE, MT_TX_RING_BASE); + MT7603_PSD_RING_SIZE, MT_TX_RING_BASE, 0); if (ret) return ret; @@ -189,12 +189,12 @@ int mt7603_dma_init(struct mt7603_dev *dev) return ret; ret = mt76_init_tx_queue(&dev->mphy, MT_TXQ_BEACON, MT_TX_HW_QUEUE_BCN, - MT_MCU_RING_SIZE, MT_TX_RING_BASE); + MT_MCU_RING_SIZE, MT_TX_RING_BASE, 0); if (ret) return ret; ret = mt76_init_tx_queue(&dev->mphy, MT_TXQ_CAB, MT_TX_HW_QUEUE_BMC, - MT_MCU_RING_SIZE, MT_TX_RING_BASE); + MT_MCU_RING_SIZE, MT_TX_RING_BASE, 0); if (ret) return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c index 95dbb413678a..ce19f57de475 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c @@ -26,14 +26,14 @@ mt7622_init_tx_queues_multi(struct mt7615_dev *dev) for (i = 0; i < ARRAY_SIZE(wmm_queue_map); i++) { ret = mt76_init_tx_queue(&dev->mphy, i, wmm_queue_map[i], MT7615_TX_RING_SIZE / 2, - MT_TX_RING_BASE); + MT_TX_RING_BASE, 0); if (ret) return ret; } ret = mt76_init_tx_queue(&dev->mphy, MT_TXQ_PSD, MT7622_TXQ_MGMT, MT7615_TX_MGMT_RING_SIZE, - MT_TX_RING_BASE); + MT_TX_RING_BASE, 0); if (ret) return ret; @@ -55,7 +55,7 @@ mt7615_init_tx_queues(struct mt7615_dev *dev) return mt7622_init_tx_queues_multi(dev); ret = mt76_init_tx_queue(&dev->mphy, 0, 0, MT7615_TX_RING_SIZE, - MT_TX_RING_BASE); + MT_TX_RING_BASE, 0); if (ret) return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c index 23d2864d37fb..96ec96df6a3c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c @@ -191,13 +191,13 @@ int mt76x02_dma_init(struct mt76x02_dev *dev) for (i = 0; i < IEEE80211_NUM_ACS; i++) { ret = mt76_init_tx_queue(&dev->mphy, i, mt76_ac_to_hwq(i), MT76x02_TX_RING_SIZE, - MT_TX_RING_BASE); + MT_TX_RING_BASE, 0); if (ret) return ret; } ret = mt76_init_tx_queue(&dev->mphy, MT_TXQ_PSD, MT_TX_HW_QUEUE_MGMT, - MT76x02_PSD_RING_SIZE, MT_TX_RING_BASE); + MT76x02_PSD_RING_SIZE, MT_TX_RING_BASE, 0); if (ret) return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c index dad5225e223e..f3d608d2d3b2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c @@ -8,9 +8,16 @@ static int mt7915_init_tx_queues(struct mt7915_phy *phy, int idx, int n_desc, int ring_base) { + struct mt7915_dev *dev = phy->dev; int i, err; - err = mt76_init_tx_queue(phy->mt76, 0, idx, n_desc, ring_base); + if (mtk_wed_device_active(&phy->dev->mt76.mmio.wed)) { + ring_base = MT_WED_TX_RING_BASE; + idx -= MT_TXQ_ID(0); + } + + err = mt76_init_tx_queue(phy->mt76, 0, idx, n_desc, ring_base, + MT_WED_Q_TX(idx)); if (err < 0) return err; @@ -319,6 +326,14 @@ static int mt7915_dma_enable(struct mt7915_dev *dev) if (dev->dbdc_support || dev->phy.band_idx) irq_mask |= MT_INT_BAND1_RX_DONE; + if (mtk_wed_device_active(&dev->mt76.mmio.wed)) { + u32 wed_irq_mask = irq_mask; + + wed_irq_mask |= MT_INT_TX_DONE_BAND0 | MT_INT_TX_DONE_BAND1; + mt76_wr(dev, MT_INT_WED_MASK_CSR, wed_irq_mask); + mtk_wed_device_start(&dev->mt76.mmio.wed, wed_irq_mask); + } + mt7915_irq_enable(dev, irq_mask); return 0; @@ -327,6 +342,7 @@ static int mt7915_dma_enable(struct mt7915_dev *dev) int mt7915_dma_init(struct mt7915_dev *dev, struct mt7915_phy *phy2) { struct mt76_dev *mdev = &dev->mt76; + u32 wa_rx_base, wa_rx_idx; u32 hif1_ofs = 0; int ret; @@ -339,6 +355,17 @@ int mt7915_dma_init(struct mt7915_dev *dev, struct mt7915_phy *phy2) mt7915_dma_disable(dev, true); + if (mtk_wed_device_active(&dev->mt76.mmio.wed)) { + mt76_set(dev, MT_WFDMA_HOST_CONFIG, MT_WFDMA_HOST_CONFIG_WED); + + mt76_wr(dev, MT_WFDMA_WED_RING_CONTROL, + FIELD_PREP(MT_WFDMA_WED_RING_CONTROL_TX0, 18) | + FIELD_PREP(MT_WFDMA_WED_RING_CONTROL_TX1, 19) | + FIELD_PREP(MT_WFDMA_WED_RING_CONTROL_RX1, 1)); + } else { + mt76_clear(dev, MT_WFDMA_HOST_CONFIG, MT_WFDMA_HOST_CONFIG_WED); + } + /* init tx queue */ ret = mt7915_init_tx_queues(&dev->phy, MT_TXQ_ID(dev->phy.band_idx), @@ -390,11 +417,17 @@ int mt7915_dma_init(struct mt7915_dev *dev, struct mt7915_phy *phy2) return ret; /* event from WA */ + if (mtk_wed_device_active(&dev->mt76.mmio.wed)) { + wa_rx_base = MT_WED_RX_RING_BASE; + wa_rx_idx = MT7915_RXQ_MCU_WA; + dev->mt76.q_rx[MT_RXQ_MCU_WA].flags = MT_WED_Q_TXFREE; + } else { + wa_rx_base = MT_RXQ_RING_BASE(MT_RXQ_MCU_WA); + wa_rx_idx = MT_RXQ_ID(MT_RXQ_MCU_WA); + } ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA], - MT_RXQ_ID(MT_RXQ_MCU_WA), - MT7915_RX_MCU_RING_SIZE, - MT_RX_BUF_SIZE, - MT_RXQ_RING_BASE(MT_RXQ_MCU_WA)); + wa_rx_idx, MT7915_RX_MCU_RING_SIZE, + MT_RX_BUF_SIZE, wa_rx_base); if (ret) return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index cc796693ced9..a493162b4e8c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -1348,6 +1348,29 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, return 0; } +u32 mt7915_wed_init_buf(void *ptr, dma_addr_t phys, int token_id) +{ + struct mt7915_txp *txp = ptr + MT_TXD_SIZE; + __le32 *txwi = ptr; + u32 val; + + memset(ptr, 0, MT_TXD_SIZE + sizeof(*txp)); + + val = FIELD_PREP(MT_TXD0_TX_BYTES, MT_TXD_SIZE) | + FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CT); + txwi[0] = cpu_to_le32(val); + + val = MT_TXD1_LONG_FORMAT | + FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_3); + txwi[1] = cpu_to_le32(val); + + txp->token = cpu_to_le16(token_id); + txp->nbuf = 1; + txp->buf[0] = cpu_to_le32(phys + MT_TXD_SIZE + sizeof(*txp)); + + return MT_TXD_SIZE + sizeof(*txp); +} + static void mt7915_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi) { @@ -1381,7 +1404,7 @@ mt7915_txp_skb_unmap(struct mt76_dev *dev, struct mt76_txwi_cache *t) txp = mt7915_txwi_to_txp(dev, t); for (i = 0; i < txp->nbuf; i++) - dma_unmap_single(dev->dev, le32_to_cpu(txp->buf[i]), + dma_unmap_single(dev->dma_dev, le32_to_cpu(txp->buf[i]), le16_to_cpu(txp->len[i]), DMA_TO_DEVICE); } @@ -1390,6 +1413,7 @@ mt7915_txwi_free(struct mt7915_dev *dev, struct mt76_txwi_cache *t, struct ieee80211_sta *sta, struct list_head *free_list) { struct mt76_dev *mdev = &dev->mt76; + struct mt7915_sta *msta; struct mt76_wcid *wcid; __le32 *txwi; u16 wcid_idx; @@ -1402,13 +1426,24 @@ mt7915_txwi_free(struct mt7915_dev *dev, struct mt76_txwi_cache *t, if (sta) { wcid = (struct mt76_wcid *)sta->drv_priv; wcid_idx = wcid->idx; - - if (likely(t->skb->protocol != cpu_to_be16(ETH_P_PAE))) - mt7915_tx_check_aggr(sta, txwi); } else { wcid_idx = le32_get_bits(txwi[1], MT_TXD1_WLAN_IDX); + wcid = rcu_dereference(dev->mt76.wcid[wcid_idx]); + + if (wcid && wcid->sta) { + msta = container_of(wcid, struct mt7915_sta, wcid); + sta = container_of((void *)msta, struct ieee80211_sta, + drv_priv); + spin_lock_bh(&dev->sta_poll_lock); + if (list_empty(&msta->poll_list)) + list_add_tail(&msta->poll_list, &dev->sta_poll_list); + spin_unlock_bh(&dev->sta_poll_lock); + } } + if (sta && likely(t->skb->protocol != cpu_to_be16(ETH_P_PAE))) + mt7915_tx_check_aggr(sta, txwi); + __mt76_tx_complete_skb(mdev, wcid_idx, t->skb, free_list); out: @@ -1417,28 +1452,54 @@ out: } static void +mt7915_mac_tx_free_prepare(struct mt7915_dev *dev) +{ + struct mt76_dev *mdev = &dev->mt76; + struct mt76_phy *mphy_ext = mdev->phy2; + + /* clean DMA queues and unmap buffers first */ + mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_PSD], false); + mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_BE], false); + if (mphy_ext) { + mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[MT_TXQ_PSD], false); + mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[MT_TXQ_BE], false); + } +} + +static void +mt7915_mac_tx_free_done(struct mt7915_dev *dev, + struct list_head *free_list, bool wake) +{ + struct sk_buff *skb, *tmp; + + mt7915_mac_sta_poll(dev); + + if (wake) + mt76_set_tx_blocked(&dev->mt76, false); + + mt76_worker_schedule(&dev->mt76.tx_worker); + + list_for_each_entry_safe(skb, tmp, free_list, list) { + skb_list_del_init(skb); + napi_consume_skb(skb, 1); + } +} + +static void mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len) { struct mt7915_tx_free *free = (struct mt7915_tx_free *)data; struct mt76_dev *mdev = &dev->mt76; - struct mt76_phy *mphy_ext = mdev->phy2; struct mt76_txwi_cache *txwi; struct ieee80211_sta *sta = NULL; LIST_HEAD(free_list); - struct sk_buff *skb, *tmp; void *end = data + len; bool v3, wake = false; u16 total, count = 0; u32 txd = le32_to_cpu(free->txd); __le32 *cur_info; - /* clean DMA queues and unmap buffers first */ - mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_PSD], false); - mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_BE], false); - if (mphy_ext) { - mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[MT_TXQ_PSD], false); - mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[MT_TXQ_BE], false); - } + mt7915_mac_tx_free_prepare(dev); total = le16_get_bits(free->ctrl, MT_TX_FREE_MSDU_CNT); v3 = (FIELD_GET(MT_TX_FREE_VER, txd) == 0x4); @@ -1492,17 +1553,38 @@ mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len) } } - mt7915_mac_sta_poll(dev); + mt7915_mac_tx_free_done(dev, &free_list, wake); +} - if (wake) - mt76_set_tx_blocked(&dev->mt76, false); +static void +mt7915_mac_tx_free_v0(struct mt7915_dev *dev, void *data, int len) +{ + struct mt7915_tx_free *free = (struct mt7915_tx_free *)data; + struct mt76_dev *mdev = &dev->mt76; + __le16 *info = (__le16 *)free->info; + void *end = data + len; + LIST_HEAD(free_list); + bool wake = false; + u8 i, count; - mt76_worker_schedule(&dev->mt76.tx_worker); + mt7915_mac_tx_free_prepare(dev); - list_for_each_entry_safe(skb, tmp, &free_list, list) { - skb_list_del_init(skb); - napi_consume_skb(skb, 1); + count = FIELD_GET(MT_TX_FREE_MSDU_CNT_V0, le16_to_cpu(free->ctrl)); + if (WARN_ON_ONCE((void *)&info[count] > end)) + return; + + for (i = 0; i < count; i++) { + struct mt76_txwi_cache *txwi; + u16 msdu = le16_to_cpu(info[i]); + + txwi = mt76_token_release(mdev, msdu, &wake); + if (!txwi) + continue; + + mt7915_txwi_free(dev, txwi, NULL, &free_list); } + + mt7915_mac_tx_free_done(dev, &free_list, wake); } static bool @@ -1682,6 +1764,9 @@ bool mt7915_rx_check(struct mt76_dev *mdev, void *data, int len) case PKT_TYPE_TXRX_NOTIFY: mt7915_mac_tx_free(dev, data, len); return false; + case PKT_TYPE_TXRX_NOTIFY_V0: + mt7915_mac_tx_free_v0(dev, data, len); + return false; case PKT_TYPE_TXS: for (rxd += 2; rxd + 8 <= end; rxd += 8) mt7915_mac_add_txs(dev, rxd); @@ -1709,6 +1794,10 @@ void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, mt7915_mac_tx_free(dev, skb->data, skb->len); napi_consume_skb(skb, 1); break; + case PKT_TYPE_TXRX_NOTIFY_V0: + mt7915_mac_tx_free_v0(dev, skb->data, skb->len); + napi_consume_skb(skb, 1); + break; case PKT_TYPE_RX_EVENT: mt7915_mcu_rx_event(dev, skb); break; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.h b/drivers/net/wireless/mediatek/mt76/mt7915/mac.h index 5add1dd36dbe..c5fd1a618ae7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.h @@ -24,6 +24,7 @@ enum rx_pkt_type { PKT_TYPE_TXRX_NOTIFY, PKT_TYPE_RX_EVENT, PKT_TYPE_RX_FW_MONITOR = 0x0c, + PKT_TYPE_TXRX_NOTIFY_V0 = 0x18, }; /* RXD DW1 */ @@ -311,6 +312,7 @@ struct mt7915_tx_free { #define MT_TX_FREE_VER GENMASK(18, 16) #define MT_TX_FREE_MSDU_CNT GENMASK(9, 0) +#define MT_TX_FREE_MSDU_CNT_V0 GENMASK(6, 0) #define MT_TX_FREE_WLAN_ID GENMASK(23, 14) #define MT_TX_FREE_LATENCY GENMASK(12, 0) /* 0: success, others: dropped */ diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 5177b19f9154..78bf5ffa7576 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -1373,6 +1373,39 @@ out: return ret; } +#ifdef CONFIG_NET_MEDIATEK_SOC_WED +static int +mt7915_net_fill_forward_path(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct net_device_path_ctx *ctx, + struct net_device_path *path) +{ + struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; + struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; + struct mt7915_dev *dev = mt7915_hw_dev(hw); + struct mt7915_phy *phy = mt7915_hw_phy(hw); + struct mtk_wed_device *wed = &dev->mt76.mmio.wed; + + if (!mtk_wed_device_active(wed)) + return -ENODEV; + + if (msta->wcid.idx > 0xff) + return -EIO; + + path->type = DEV_PATH_MTK_WDMA; + path->dev = ctx->dev; + path->mtk_wdma.wdma_idx = wed->wdma_idx; + path->mtk_wdma.bss = mvif->mt76.idx; + path->mtk_wdma.wcid = msta->wcid.idx; + path->mtk_wdma.queue = phy != &dev->phy; + + ctx->dev = NULL; + + return 0; +} +#endif + const struct ieee80211_ops mt7915_ops = { .tx = mt7915_tx, .start = mt7915_start, @@ -1420,4 +1453,7 @@ const struct ieee80211_ops mt7915_ops = { .sta_add_debugfs = mt7915_sta_add_debugfs, #endif .set_radar_background = mt7915_set_radar_background, +#ifdef CONFIG_NET_MEDIATEK_SOC_WED + .net_fill_forward_path = mt7915_net_fill_forward_path, +#endif }; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 7594c2b44fe1..07c1a15e735d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -2496,6 +2496,9 @@ int mt7915_mcu_init(struct mt7915_dev *dev) if (ret) return ret; + if (mtk_wed_device_active(&dev->mt76.mmio.wed)) + mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(CAPABILITY), 0, 0, 0); + ret = mt7915_mcu_set_mwds(dev, 1); if (ret) return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c index 3c55d4cebbf2..c6446757ad4a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c @@ -550,15 +550,21 @@ static void mt7915_rx_poll_complete(struct mt76_dev *mdev, static void mt7915_irq_tasklet(struct tasklet_struct *t) { struct mt7915_dev *dev = from_tasklet(dev, t, irq_tasklet); + struct mtk_wed_device *wed = &dev->mt76.mmio.wed; u32 intr, intr1, mask; - mt76_wr(dev, MT_INT_MASK_CSR, 0); - if (dev->hif2) - mt76_wr(dev, MT_INT1_MASK_CSR, 0); + if (mtk_wed_device_active(wed)) { + mtk_wed_device_irq_set_mask(wed, 0); + intr = mtk_wed_device_irq_get(wed, dev->mt76.mmio.irqmask); + } else { + mt76_wr(dev, MT_INT_MASK_CSR, 0); + if (dev->hif2) + mt76_wr(dev, MT_INT1_MASK_CSR, 0); - intr = mt76_rr(dev, MT_INT_SOURCE_CSR); - intr &= dev->mt76.mmio.irqmask; - mt76_wr(dev, MT_INT_SOURCE_CSR, intr); + intr = mt76_rr(dev, MT_INT_SOURCE_CSR); + intr &= dev->mt76.mmio.irqmask; + mt76_wr(dev, MT_INT_SOURCE_CSR, intr); + } if (dev->hif2) { intr1 = mt76_rr(dev, MT_INT1_SOURCE_CSR); @@ -613,10 +619,15 @@ static void mt7915_irq_tasklet(struct tasklet_struct *t) irqreturn_t mt7915_irq_handler(int irq, void *dev_instance) { struct mt7915_dev *dev = dev_instance; + struct mtk_wed_device *wed = &dev->mt76.mmio.wed; - mt76_wr(dev, MT_INT_MASK_CSR, 0); - if (dev->hif2) - mt76_wr(dev, MT_INT1_MASK_CSR, 0); + if (mtk_wed_device_active(wed)) { + mtk_wed_device_irq_set_mask(wed, 0); + } else { + mt76_wr(dev, MT_INT_MASK_CSR, 0); + if (dev->hif2) + mt76_wr(dev, MT_INT1_MASK_CSR, 0); + } if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state)) return IRQ_NONE; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index fbb5dde588a8..fdd989f0bb99 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -435,6 +435,8 @@ struct mt7915_dev *mt7915_mmio_probe(struct device *pdev, void mt7915_wfsys_reset(struct mt7915_dev *dev); irqreturn_t mt7915_irq_handler(int irq, void *dev_instance); u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif); +u32 mt7915_wed_init_buf(void *ptr, dma_addr_t phys, int token_id); + int mt7915_register_device(struct mt7915_dev *dev); void mt7915_unregister_device(struct mt7915_dev *dev); int mt7915_eeprom_init(struct mt7915_dev *dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c index 7cea49f23941..d74f609775d3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c @@ -12,6 +12,9 @@ #include "mac.h" #include "../trace.h" +static bool wed_enable = false; +module_param(wed_enable, bool, 0644); + static LIST_HEAD(hif_list); static DEFINE_SPINLOCK(hif_lock); static u32 hif_idx; @@ -92,12 +95,79 @@ static int mt7915_pci_hif2_probe(struct pci_dev *pdev) return 0; } +#ifdef CONFIG_NET_MEDIATEK_SOC_WED +static int mt7915_wed_offload_enable(struct mtk_wed_device *wed) +{ + struct mt7915_dev *dev; + int ret; + + dev = container_of(wed, struct mt7915_dev, mt76.mmio.wed); + + spin_lock_bh(&dev->mt76.token_lock); + dev->mt76.token_size = wed->wlan.token_start; + spin_unlock_bh(&dev->mt76.token_lock); + + ret = wait_event_timeout(dev->mt76.tx_wait, + !dev->mt76.wed_token_count, HZ); + if (!ret) + return -EAGAIN; + + return 0; +} + +static void mt7915_wed_offload_disable(struct mtk_wed_device *wed) +{ + struct mt7915_dev *dev; + + dev = container_of(wed, struct mt7915_dev, mt76.mmio.wed); + + spin_lock_bh(&dev->mt76.token_lock); + dev->mt76.token_size = MT7915_TOKEN_SIZE; + spin_unlock_bh(&dev->mt76.token_lock); +} +#endif + +static int +mt7915_pci_wed_init(struct mt7915_dev *dev, struct pci_dev *pdev, int *irq) +{ +#ifdef CONFIG_NET_MEDIATEK_SOC_WED + struct mtk_wed_device *wed = &dev->mt76.mmio.wed; + int ret; + + if (!wed_enable) + return 0; + + wed->wlan.pci_dev = pdev; + wed->wlan.wpdma_phys = pci_resource_start(pdev, 0) + + MT_WFDMA_EXT_CSR_BASE; + wed->wlan.nbuf = 4096; + wed->wlan.token_start = MT7915_TOKEN_SIZE - wed->wlan.nbuf; + wed->wlan.init_buf = mt7915_wed_init_buf; + wed->wlan.offload_enable = mt7915_wed_offload_enable; + wed->wlan.offload_disable = mt7915_wed_offload_disable; + + if (mtk_wed_device_attach(wed) != 0) + return 0; + + *irq = wed->irq; + dev->mt76.dma_dev = wed->dev; + + ret = dma_set_mask(wed->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + + return 1; +#else + return 0; +#endif +} + static int mt7915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { + struct mt7915_hif *hif2 = NULL; struct mt7915_dev *dev; struct mt76_dev *mdev; - struct mt7915_hif *hif2; int irq; int ret; @@ -129,15 +199,24 @@ static int mt7915_pci_probe(struct pci_dev *pdev, mt7915_wfsys_reset(dev); hif2 = mt7915_pci_init_hif2(pdev); - ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); + ret = mt7915_pci_wed_init(dev, pdev, &irq); if (ret < 0) - goto free_device; + goto free_wed_or_irq_vector; + + if (!ret) { + hif2 = mt7915_pci_init_hif2(pdev); + + ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); + if (ret < 0) + goto free_device; + + irq = pdev->irq; + } - irq = pdev->irq; ret = devm_request_irq(mdev->dev, irq, mt7915_irq_handler, IRQF_SHARED, KBUILD_MODNAME, dev); if (ret) - goto free_irq_vector; + goto free_wed_or_irq_vector; /* master switch of PCIe tnterrupt enable */ mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); @@ -172,8 +251,11 @@ free_hif2: if (dev->hif2) put_device(dev->hif2->dev); devm_free_irq(mdev->dev, irq, dev); -free_irq_vector: - pci_free_irq_vectors(pdev); +free_wed_or_irq_vector: + if (mtk_wed_device_active(&mdev->mmio.wed)) + mtk_wed_device_detach(&mdev->mmio.wed); + else + pci_free_irq_vectors(pdev); free_device: mt76_free_device(&dev->mt76); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h index 66c60e60e921..31dffb9c949c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h @@ -577,18 +577,31 @@ enum offs_rev { /* WFDMA CSR */ #define MT_WFDMA_EXT_CSR_BASE __REG(WFDMA_EXT_CSR_ADDR) +#define MT_WFDMA_EXT_CSR_PHYS_BASE 0x18027000 #define MT_WFDMA_EXT_CSR(ofs) (MT_WFDMA_EXT_CSR_BASE + (ofs)) +#define MT_WFDMA_EXT_CSR_PHYS(ofs) (MT_WFDMA_EXT_CSR_PHYS_BASE + (ofs)) -#define MT_WFDMA_HOST_CONFIG MT_WFDMA_EXT_CSR(0x30) +#define MT_WFDMA_HOST_CONFIG MT_WFDMA_EXT_CSR_PHYS(0x30) #define MT_WFDMA_HOST_CONFIG_PDMA_BAND BIT(0) +#define MT_WFDMA_HOST_CONFIG_WED BIT(1) -#define MT_WFDMA_EXT_CSR_HIF_MISC MT_WFDMA_EXT_CSR(0x44) +#define MT_WFDMA_WED_RING_CONTROL MT_WFDMA_EXT_CSR_PHYS(0x34) +#define MT_WFDMA_WED_RING_CONTROL_TX0 GENMASK(4, 0) +#define MT_WFDMA_WED_RING_CONTROL_TX1 GENMASK(12, 8) +#define MT_WFDMA_WED_RING_CONTROL_RX1 GENMASK(20, 16) + +#define MT_WFDMA_EXT_CSR_HIF_MISC MT_WFDMA_EXT_CSR_PHYS(0x44) #define MT_WFDMA_EXT_CSR_HIF_MISC_BUSY BIT(0) #define MT_PCIE_RECOG_ID 0xd7090 #define MT_PCIE_RECOG_ID_MASK GENMASK(30, 0) #define MT_PCIE_RECOG_ID_SEM BIT(31) +#define MT_INT_WED_MASK_CSR MT_WFDMA_EXT_CSR(0x204) + +#define MT_WED_TX_RING_BASE MT_WFDMA_EXT_CSR(0x300) +#define MT_WED_RX_RING_BASE MT_WFDMA_EXT_CSR(0x400) + /* WFDMA0 PCIE1 */ #define MT_WFDMA0_PCIE1_BASE __REG(WFDMA0_PCIE1_ADDR) #define MT_WFDMA0_PCIE1(ofs) (MT_WFDMA0_PCIE1_BASE + (ofs)) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c index 34b3effe14f3..3a6b158b779e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c @@ -9,7 +9,7 @@ static int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc) { int i, err; - err = mt76_init_tx_queue(phy->mt76, 0, idx, n_desc, MT_TX_RING_BASE); + err = mt76_init_tx_queue(phy->mt76, 0, idx, n_desc, MT_TX_RING_BASE, 0); if (err < 0) return err; diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index 84fa922c977a..02067edca95e 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -726,6 +726,12 @@ int mt76_token_consume(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi) if (token >= 0) dev->token_count++; +#ifdef CONFIG_NET_MEDIATEK_SOC_WED + if (mtk_wed_device_active(&dev->mmio.wed) && + token >= dev->mmio.wed.wlan.token_start) + dev->wed_token_count++; +#endif + if (dev->token_count >= dev->token_size - MT76_TOKEN_FREE_THR) __mt76_set_tx_blocked(dev, true); @@ -743,9 +749,17 @@ mt76_token_release(struct mt76_dev *dev, int token, bool *wake) spin_lock_bh(&dev->token_lock); txwi = idr_remove(&dev->token, token); - if (txwi) + if (txwi) { dev->token_count--; +#ifdef CONFIG_NET_MEDIATEK_SOC_WED + if (mtk_wed_device_active(&dev->mmio.wed) && + token >= dev->mmio.wed.wlan.token_start && + --dev->wed_token_count == 0) + wake_up(&dev->tx_wait); +#endif + } + if (dev->token_count < dev->token_size - MT76_TOKEN_FREE_THR && dev->phy.q_tx[0]->blocked) *wake = true; |