[v2] wifi: mt76: move wed common utilities in wed.c

Message ID	9c1668060177ef158bcdd1797ffeebb1f7d979ed.1702296342.git.lorenzo@kernel.org
State	New
Headers	show Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AFB653A265 for <linux-wireless@vger.kernel.org>; Mon, 11 Dec 2023 12:07:45 +0000 (UTC) From: Lorenzo Bianconi <lorenzo@kernel.org> To: nbd@nbd.name Cc: lorenzo.bianconi@redhat.com, linux-wireless@vger.kernel.org Subject: [PATCH v2] wifi: mt76: move wed common utilities in wed.c Date: Mon, 11 Dec 2023 13:07:29 +0100 Message-ID: <9c1668060177ef158bcdd1797ffeebb1f7d979ed.1702296342.git.lorenzo@kernel.org> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	[v2] wifi: mt76: move wed common utilities in wed.c \| expand [v2] wifi: mt76: move wed common utilities in wed.c

diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile index d6575fe18c6b..f7f2d9a8ab0f 100644 --- a/drivers/net/wireless/mediatek/mt76/Makefile +++ b/drivers/net/wireless/mediatek/mt76/Makefile @@ -10,7 +10,7 @@ obj-$(CONFIG_MT792x_USB) += mt792x-usb.o mt76-y := \ mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o \ - tx.o agg-rx.o mcu.o + tx.o agg-rx.o mcu.o wed.o mt76-$(CONFIG_PCI) += pci.o mt76-$(CONFIG_NL80211_TESTMODE) += testmode.o diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 8bbb0e17229d..bb05837e30b6 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -197,9 +197,8 @@ mt76_dma_sync_idx(struct mt76_dev *dev, struct mt76_queue *q) q->tail = q->head; } -static void -__mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q, - bool reset_idx) +void __mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q, + bool reset_idx) { if (!q || !q->ndesc) return; @@ -219,8 +218,7 @@ __mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q, mt76_dma_sync_idx(dev, q); } -static void -mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q) +void mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q) { __mt76_dma_queue_reset(dev, q, true); } @@ -632,9 +630,8 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, return ret; } -static int -mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q, - bool allow_direct) +int mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q, + bool allow_direct) { int len = SKB_WITH_OVERHEAD(q->buf_size); int frames = 0; @@ -681,81 +678,6 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q, return frames; } -int mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q, bool reset) -{ -#ifdef CONFIG_NET_MEDIATEK_SOC_WED - int ret = 0, type, ring; - u16 flags; - - if (!q || !q->ndesc) - return -EINVAL; - - flags = q->flags; - if (!q->wed || !mtk_wed_device_active(q->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(q->wed, ring, q->regs, - reset); - if (!ret) - q->wed_regs = q->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, false); - - ret = mtk_wed_device_txfree_ring_setup(q->wed, q->regs); - if (!ret) - q->wed_regs = q->wed->txfree_ring.reg_base; - break; - case MT76_WED_Q_RX: - ret = mtk_wed_device_rx_ring_setup(q->wed, ring, q->regs, - reset); - if (!ret) - q->wed_regs = q->wed->rx_ring[ring].reg_base; - break; - case MT76_WED_RRO_Q_DATA: - q->flags &= ~MT_QFLAG_WED; - __mt76_dma_queue_reset(dev, q, false); - mtk_wed_device_rro_rx_ring_setup(q->wed, ring, q->regs); - q->head = q->ndesc - 1; - q->queued = q->head; - break; - case MT76_WED_RRO_Q_MSDU_PG: - q->flags &= ~MT_QFLAG_WED; - __mt76_dma_queue_reset(dev, q, false); - mtk_wed_device_msdu_pg_rx_ring_setup(q->wed, ring, q->regs); - q->head = q->ndesc - 1; - q->queued = q->head; - break; - case MT76_WED_RRO_Q_IND: - q->flags &= ~MT_QFLAG_WED; - mt76_dma_queue_reset(dev, q); - mt76_dma_rx_fill(dev, q, false); - mtk_wed_device_ind_rx_ring_setup(q->wed, q->regs); - break; - default: - ret = -EINVAL; - break; - } - q->flags = flags; - - return ret; -#else - return 0; -#endif -} -EXPORT_SYMBOL_GPL(mt76_dma_wed_setup); - static int mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q, int idx, int n_desc, int bufsize, @@ -800,7 +722,7 @@ mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q, if (ret) return ret; - ret = mt76_dma_wed_setup(dev, q, false); + ret = mt76_wed_dma_setup(dev, q, false); if (ret) return ret; @@ -863,7 +785,7 @@ mt76_dma_rx_reset(struct mt76_dev *dev, enum mt76_rxq_id qid) mt76_dma_rx_cleanup(dev, q); /* reset WED rx queues */ - mt76_dma_wed_setup(dev, q, true); + mt76_wed_dma_setup(dev, q, true); if (mt76_queue_is_wed_tx_free(q)) return; @@ -1052,20 +974,6 @@ void mt76_dma_attach(struct mt76_dev *dev) } EXPORT_SYMBOL_GPL(mt76_dma_attach); -void mt76_dma_wed_reset(struct mt76_dev *dev) -{ - struct mt76_mmio *mmio = &dev->mmio; - - if (!test_bit(MT76_STATE_WED_RESET, &dev->phy.state)) - return; - - complete(&mmio->wed_reset); - - if (!wait_for_completion_timeout(&mmio->wed_reset_complete, 3 * HZ)) - dev_err(dev->dev, "wed reset complete timeout\n"); -} -EXPORT_SYMBOL_GPL(mt76_dma_wed_reset); - void mt76_dma_cleanup(struct mt76_dev *dev) { int i; diff --git a/drivers/net/wireless/mediatek/mt76/dma.h b/drivers/net/wireless/mediatek/mt76/dma.h index c479cc6388ef..1de5a2b20f74 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.h +++ b/drivers/net/wireless/mediatek/mt76/dma.h @@ -79,15 +79,18 @@ enum mt76_dma_wed_ind_reason { int mt76_dma_rx_poll(struct napi_struct *napi, int budget); void mt76_dma_attach(struct mt76_dev *dev); void mt76_dma_cleanup(struct mt76_dev *dev); -int mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q, bool reset); -void mt76_dma_wed_reset(struct mt76_dev *dev); +int mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q, + bool allow_direct); +void __mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q, + bool reset_idx); +void mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q); static inline void mt76_dma_reset_tx_queue(struct mt76_dev *dev, struct mt76_queue *q) { dev->queue_ops->reset_q(dev, q); if (mtk_wed_device_active(&dev->mmio.wed)) - mt76_dma_wed_setup(dev, q, true); + mt76_wed_dma_setup(dev, q, true); } static inline void diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index 8a3a90d1bfac..5cc608d20619 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -1854,19 +1854,3 @@ enum mt76_dfs_state mt76_phy_dfs_state(struct mt76_phy *phy) return MT_DFS_STATE_ACTIVE; } EXPORT_SYMBOL_GPL(mt76_phy_dfs_state); - -#ifdef CONFIG_NET_MEDIATEK_SOC_WED -int mt76_net_setup_tc(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct net_device *netdev, enum tc_setup_type type, - void *type_data) -{ - struct mt76_phy *phy = hw->priv; - struct mtk_wed_device *wed = &phy->dev->mmio.wed; - - if (!mtk_wed_device_active(wed)) - return -EOPNOTSUPP; - - return mtk_wed_device_setup_tc(wed, netdev, type, type_data); -} -EXPORT_SYMBOL_GPL(mt76_net_setup_tc); -#endif /* CONFIG_NET_MEDIATEK_SOC_WED */ diff --git a/drivers/net/wireless/mediatek/mt76/mmio.c b/drivers/net/wireless/mediatek/mt76/mmio.c index c3e0e23e0161..cd2e9737c3bf 100644 --- a/drivers/net/wireless/mediatek/mt76/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mmio.c @@ -85,113 +85,6 @@ void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr, } EXPORT_SYMBOL_GPL(mt76_set_irq_mask); -#ifdef CONFIG_NET_MEDIATEK_SOC_WED -void mt76_mmio_wed_release_rx_buf(struct mtk_wed_device *wed) -{ - struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed); - int i; - - for (i = 0; i < dev->rx_token_size; i++) { - struct mt76_txwi_cache *t; - - t = mt76_rx_token_release(dev, i); - if (!t || !t->ptr) - continue; - - mt76_put_page_pool_buf(t->ptr, false); - t->ptr = NULL; - - mt76_put_rxwi(dev, t); - } - - mt76_free_pending_rxwi(dev); -} -EXPORT_SYMBOL_GPL(mt76_mmio_wed_release_rx_buf); - -u32 mt76_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size) -{ - struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed); - struct mtk_wed_bm_desc *desc = wed->rx_buf_ring.desc; - struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN]; - int i, len = SKB_WITH_OVERHEAD(q->buf_size); - struct mt76_txwi_cache *t = NULL; - - for (i = 0; i < size; i++) { - enum dma_data_direction dir; - dma_addr_t addr; - u32 offset; - int token; - void *buf; - - t = mt76_get_rxwi(dev); - if (!t) - goto unmap; - - buf = mt76_get_page_pool_buf(q, &offset, q->buf_size); - if (!buf) - goto unmap; - - addr = page_pool_get_dma_addr(virt_to_head_page(buf)) + offset; - dir = page_pool_get_dma_dir(q->page_pool); - dma_sync_single_for_device(dev->dma_dev, addr, len, dir); - - desc->buf0 = cpu_to_le32(addr); - token = mt76_rx_token_consume(dev, buf, t, addr); - if (token < 0) { - mt76_put_page_pool_buf(buf, false); - goto unmap; - } - - token = FIELD_PREP(MT_DMA_CTL_TOKEN, token); -#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT - token |= FIELD_PREP(MT_DMA_CTL_SDP0_H, addr >> 32); -#endif - desc->token |= cpu_to_le32(token); - desc++; - } - - return 0; - -unmap: - if (t) - mt76_put_rxwi(dev, t); - mt76_mmio_wed_release_rx_buf(wed); - - return -ENOMEM; -} -EXPORT_SYMBOL_GPL(mt76_mmio_wed_init_rx_buf); - -int mt76_mmio_wed_offload_enable(struct mtk_wed_device *wed) -{ - struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed); - - spin_lock_bh(&dev->token_lock); - dev->token_size = wed->wlan.token_start; - spin_unlock_bh(&dev->token_lock); - - return !wait_event_timeout(dev->tx_wait, !dev->wed_token_count, HZ); -} -EXPORT_SYMBOL_GPL(mt76_mmio_wed_offload_enable); - -void mt76_mmio_wed_offload_disable(struct mtk_wed_device *wed) -{ - struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed); - - spin_lock_bh(&dev->token_lock); - dev->token_size = dev->drv->token_size; - spin_unlock_bh(&dev->token_lock); -} -EXPORT_SYMBOL_GPL(mt76_mmio_wed_offload_disable); - -void mt76_mmio_wed_reset_complete(struct mtk_wed_device *wed) -{ - struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed); - - complete(&dev->mmio.wed_reset_complete); -} -EXPORT_SYMBOL_GPL(mt76_mmio_wed_reset_complete); -#endif /*CONFIG_NET_MEDIATEK_SOC_WED */ - void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs) { static const struct mt76_bus_ops mt76_mmio_ops = { diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index b20c34d5a0f7..c7286dbeeaae 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -1081,12 +1081,6 @@ bool ____mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val, void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs); void mt76_pci_disable_aspm(struct pci_dev *pdev); -#ifdef CONFIG_NET_MEDIATEK_SOC_WED -int mt76_net_setup_tc(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct net_device *netdev, enum tc_setup_type type, - void *type_data); -#endif /*CONFIG_NET_MEDIATEK_SOC_WED */ - static inline u16 mt76_chip(struct mt76_dev *dev) { return dev->rev >> 16; @@ -1097,13 +1091,34 @@ static inline u16 mt76_rev(struct mt76_dev *dev) return dev->rev & 0xffff; } +void mt76_wed_release_rx_buf(struct mtk_wed_device *wed); +void mt76_wed_offload_disable(struct mtk_wed_device *wed); +void mt76_wed_reset_complete(struct mtk_wed_device *wed); +void mt76_wed_dma_reset(struct mt76_dev *dev); +int mt76_wed_net_setup_tc(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct net_device *netdev, enum tc_setup_type type, + void *type_data); #ifdef CONFIG_NET_MEDIATEK_SOC_WED -u32 mt76_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size); -void mt76_mmio_wed_release_rx_buf(struct mtk_wed_device *wed); -int mt76_mmio_wed_offload_enable(struct mtk_wed_device *wed); -void mt76_mmio_wed_offload_disable(struct mtk_wed_device *wed); -void mt76_mmio_wed_reset_complete(struct mtk_wed_device *wed); -#endif /*CONFIG_NET_MEDIATEK_SOC_WED */ +u32 mt76_wed_init_rx_buf(struct mtk_wed_device *wed, int size); +int mt76_wed_offload_enable(struct mtk_wed_device *wed); +int mt76_wed_dma_setup(struct mt76_dev *dev, struct mt76_queue *q, bool reset); +#else +static inline u32 mt76_wed_init_rx_buf(struct mtk_wed_device *wed, int size) +{ + return 0; +} + +static inline int mt76_wed_offload_enable(struct mtk_wed_device *wed) +{ + return 0; +} + +static inline int mt76_wed_dma_setup(struct mt76_dev *dev, struct mt76_queue *q, + bool reset) +{ + return 0; +} +#endif /* CONFIG_NET_MEDIATEK_SOC_WED */ #define mt76xx_chip(dev) mt76_chip(&((dev)->mt76)) #define mt76xx_rev(dev) mt76_rev(&((dev)->mt76)) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c index c91a1c54027f..0baa82c8df5a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c @@ -614,7 +614,7 @@ int mt7915_dma_reset(struct mt7915_dev *dev, bool force) mtk_wed_device_dma_reset(wed); mt7915_dma_disable(dev, force); - mt76_dma_wed_reset(&dev->mt76); + mt76_wed_dma_reset(&dev->mt76); /* reset hw queues */ for (i = 0; i < __MT_TXQ_MAX; i++) { diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index df2d4279790d..3709d18da0e6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -1708,6 +1708,6 @@ const struct ieee80211_ops mt7915_ops = { .set_radar_background = mt7915_set_radar_background, #ifdef CONFIG_NET_MEDIATEK_SOC_WED .net_fill_forward_path = mt7915_net_fill_forward_path, - .net_setup_tc = mt76_net_setup_tc, + .net_setup_tc = mt76_wed_net_setup_tc, #endif }; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c index aff4f21e843d..fc38cd34c067 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c @@ -672,13 +672,13 @@ int mt7915_mmio_wed_init(struct mt7915_dev *dev, void *pdev_ptr, } wed->wlan.init_buf = mt7915_wed_init_buf; - wed->wlan.offload_enable = mt76_mmio_wed_offload_enable; - wed->wlan.offload_disable = mt76_mmio_wed_offload_disable; - wed->wlan.init_rx_buf = mt76_mmio_wed_init_rx_buf; - wed->wlan.release_rx_buf = mt76_mmio_wed_release_rx_buf; + wed->wlan.offload_enable = mt76_wed_offload_enable; + wed->wlan.offload_disable = mt76_wed_offload_disable; + wed->wlan.init_rx_buf = mt76_wed_init_rx_buf; + wed->wlan.release_rx_buf = mt76_wed_release_rx_buf; wed->wlan.update_wo_rx_stats = mt7915_mmio_wed_update_rx_stats; wed->wlan.reset = mt7915_mmio_wed_reset; - wed->wlan.reset_complete = mt76_mmio_wed_reset_complete; + wed->wlan.reset_complete = mt76_wed_reset_complete; dev->mt76.rx_token_size = wed->wlan.rx_npkt; diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/dma.c b/drivers/net/wireless/mediatek/mt76/mt7996/dma.c index 483ad81b6eec..885ddf2c0d01 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/dma.c @@ -694,7 +694,7 @@ void mt7996_dma_reset(struct mt7996_dev *dev, bool force) mtk_wed_device_dma_reset(&dev->mt76.mmio.wed); mt7996_dma_disable(dev, force); - mt76_dma_wed_reset(&dev->mt76); + mt76_wed_dma_reset(&dev->mt76); /* reset hw queues */ for (i = 0; i < __MT_TXQ_MAX; i++) { diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c index 51deea84b642..c019848d6e0f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c @@ -1495,6 +1495,6 @@ const struct ieee80211_ops mt7996_ops = { .set_radar_background = mt7996_set_radar_background, #ifdef CONFIG_NET_MEDIATEK_SOC_WED .net_fill_forward_path = mt7996_net_fill_forward_path, - .net_setup_tc = mt76_net_setup_tc, + .net_setup_tc = mt76_wed_net_setup_tc, #endif }; diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c index c50d89a445e9..f68423452ff8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c @@ -391,13 +391,13 @@ int mt7996_mmio_wed_init(struct mt7996_dev *dev, void *pdev_ptr, wed->wlan.amsdu_max_len = 1536; wed->wlan.init_buf = mt7996_wed_init_buf; - wed->wlan.init_rx_buf = mt76_mmio_wed_init_rx_buf; - wed->wlan.release_rx_buf = mt76_mmio_wed_release_rx_buf; - wed->wlan.offload_enable = mt76_mmio_wed_offload_enable; - wed->wlan.offload_disable = mt76_mmio_wed_offload_disable; + wed->wlan.init_rx_buf = mt76_wed_init_rx_buf; + wed->wlan.release_rx_buf = mt76_wed_release_rx_buf; + wed->wlan.offload_enable = mt76_wed_offload_enable; + wed->wlan.offload_disable = mt76_wed_offload_disable; if (!hif2) { wed->wlan.reset = mt7996_mmio_wed_reset; - wed->wlan.reset_complete = mt76_mmio_wed_reset_complete; + wed->wlan.reset_complete = mt76_wed_reset_complete; } if (mtk_wed_device_attach(wed)) diff --git a/drivers/net/wireless/mediatek/mt76/wed.c b/drivers/net/wireless/mediatek/mt76/wed.c new file mode 100644 index 000000000000..f89e4537555c --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/wed.c @@ -0,0 +1,213 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (C) 2023 Lorenzo Bianconi <lorenzo@kernel.org> + */ + +#include "mt76.h" +#include "dma.h" + +void mt76_wed_release_rx_buf(struct mtk_wed_device *wed) +{ + struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed); + int i; + + for (i = 0; i < dev->rx_token_size; i++) { + struct mt76_txwi_cache *t; + + t = mt76_rx_token_release(dev, i); + if (!t || !t->ptr) + continue; + + mt76_put_page_pool_buf(t->ptr, false); + t->ptr = NULL; + + mt76_put_rxwi(dev, t); + } + + mt76_free_pending_rxwi(dev); +} +EXPORT_SYMBOL_GPL(mt76_wed_release_rx_buf); + +#ifdef CONFIG_NET_MEDIATEK_SOC_WED +u32 mt76_wed_init_rx_buf(struct mtk_wed_device *wed, int size) +{ + struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed); + struct mtk_wed_bm_desc *desc = wed->rx_buf_ring.desc; + struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN]; + int i, len = SKB_WITH_OVERHEAD(q->buf_size); + struct mt76_txwi_cache *t = NULL; + + for (i = 0; i < size; i++) { + enum dma_data_direction dir; + dma_addr_t addr; + u32 offset; + int token; + void *buf; + + t = mt76_get_rxwi(dev); + if (!t) + goto unmap; + + buf = mt76_get_page_pool_buf(q, &offset, q->buf_size); + if (!buf) + goto unmap; + + addr = page_pool_get_dma_addr(virt_to_head_page(buf)) + offset; + dir = page_pool_get_dma_dir(q->page_pool); + dma_sync_single_for_device(dev->dma_dev, addr, len, dir); + + desc->buf0 = cpu_to_le32(addr); + token = mt76_rx_token_consume(dev, buf, t, addr); + if (token < 0) { + mt76_put_page_pool_buf(buf, false); + goto unmap; + } + + token = FIELD_PREP(MT_DMA_CTL_TOKEN, token); +#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT + token |= FIELD_PREP(MT_DMA_CTL_SDP0_H, addr >> 32); +#endif + desc->token |= cpu_to_le32(token); + desc++; + } + + return 0; + +unmap: + if (t) + mt76_put_rxwi(dev, t); + mt76_wed_release_rx_buf(wed); + + return -ENOMEM; +} +EXPORT_SYMBOL_GPL(mt76_wed_init_rx_buf); + +int mt76_wed_offload_enable(struct mtk_wed_device *wed) +{ + struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed); + + spin_lock_bh(&dev->token_lock); + dev->token_size = wed->wlan.token_start; + spin_unlock_bh(&dev->token_lock); + + return !wait_event_timeout(dev->tx_wait, !dev->wed_token_count, HZ); +} +EXPORT_SYMBOL_GPL(mt76_wed_offload_enable); + +int mt76_wed_dma_setup(struct mt76_dev *dev, struct mt76_queue *q, bool reset) +{ + int ret = 0, type, ring; + u16 flags; + + if (!q || !q->ndesc) + return -EINVAL; + + flags = q->flags; + if (!q->wed || !mtk_wed_device_active(q->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(q->wed, ring, q->regs, + reset); + if (!ret) + q->wed_regs = q->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, false); + + ret = mtk_wed_device_txfree_ring_setup(q->wed, q->regs); + if (!ret) + q->wed_regs = q->wed->txfree_ring.reg_base; + break; + case MT76_WED_Q_RX: + ret = mtk_wed_device_rx_ring_setup(q->wed, ring, q->regs, + reset); + if (!ret) + q->wed_regs = q->wed->rx_ring[ring].reg_base; + break; + case MT76_WED_RRO_Q_DATA: + q->flags &= ~MT_QFLAG_WED; + __mt76_dma_queue_reset(dev, q, false); + mtk_wed_device_rro_rx_ring_setup(q->wed, ring, q->regs); + q->head = q->ndesc - 1; + q->queued = q->head; + break; + case MT76_WED_RRO_Q_MSDU_PG: + q->flags &= ~MT_QFLAG_WED; + __mt76_dma_queue_reset(dev, q, false); + mtk_wed_device_msdu_pg_rx_ring_setup(q->wed, ring, q->regs); + q->head = q->ndesc - 1; + q->queued = q->head; + break; + case MT76_WED_RRO_Q_IND: + q->flags &= ~MT_QFLAG_WED; + mt76_dma_queue_reset(dev, q); + mt76_dma_rx_fill(dev, q, false); + mtk_wed_device_ind_rx_ring_setup(q->wed, q->regs); + break; + default: + ret = -EINVAL; + break; + } + q->flags = flags; + + return ret; +} +EXPORT_SYMBOL_GPL(mt76_wed_dma_setup); +#endif /*CONFIG_NET_MEDIATEK_SOC_WED */ + +void mt76_wed_offload_disable(struct mtk_wed_device *wed) +{ + struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed); + + spin_lock_bh(&dev->token_lock); + dev->token_size = dev->drv->token_size; + spin_unlock_bh(&dev->token_lock); +} +EXPORT_SYMBOL_GPL(mt76_wed_offload_disable); + +void mt76_wed_reset_complete(struct mtk_wed_device *wed) +{ + struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed); + + complete(&dev->mmio.wed_reset_complete); +} +EXPORT_SYMBOL_GPL(mt76_wed_reset_complete); + +int mt76_wed_net_setup_tc(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct net_device *netdev, enum tc_setup_type type, + void *type_data) +{ + struct mt76_phy *phy = hw->priv; + struct mtk_wed_device *wed = &phy->dev->mmio.wed; + + if (!mtk_wed_device_active(wed)) + return -EOPNOTSUPP; + + return mtk_wed_device_setup_tc(wed, netdev, type, type_data); +} +EXPORT_SYMBOL_GPL(mt76_wed_net_setup_tc); + +void mt76_wed_dma_reset(struct mt76_dev *dev) +{ + struct mt76_mmio *mmio = &dev->mmio; + + if (!test_bit(MT76_STATE_WED_RESET, &dev->phy.state)) + return; + + complete(&mmio->wed_reset); + + if (!wait_for_completion_timeout(&mmio->wed_reset_complete, 3 * HZ)) + dev_err(dev->dev, "wed reset complete timeout\n"); +} +EXPORT_SYMBOL_GPL(mt76_wed_dma_reset);

[v2] wifi: mt76: move wed common utilities in wed.c

Commit Message

Patch