Introduce wed.c in order to collect mt76 wed common codebase used by
mt7915 and mt7996 drivers.
Signed-off-by: Lorenzo Bianconi <[email protected]>
---
drivers/net/wireless/mediatek/mt76/Makefile | 2 +-
drivers/net/wireless/mediatek/mt76/dma.c | 106 +--------
drivers/net/wireless/mediatek/mt76/dma.h | 9 +-
drivers/net/wireless/mediatek/mt76/mac80211.c | 16 --
drivers/net/wireless/mediatek/mt76/mmio.c | 104 ---------
drivers/net/wireless/mediatek/mt76/mt76.h | 39 +++-
.../net/wireless/mediatek/mt76/mt7915/dma.c | 2 +-
.../net/wireless/mediatek/mt76/mt7915/main.c | 2 +-
.../net/wireless/mediatek/mt76/mt7915/mmio.c | 10 +-
.../net/wireless/mediatek/mt76/mt7996/dma.c | 2 +-
.../net/wireless/mediatek/mt76/mt7996/main.c | 2 +-
.../net/wireless/mediatek/mt76/mt7996/mmio.c | 10 +-
drivers/net/wireless/mediatek/mt76/wed.c | 210 ++++++++++++++++++
13 files changed, 265 insertions(+), 249 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/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 439cdfab6f67..d7525675f038 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);
}
@@ -622,9 +620,8 @@ 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;
@@ -671,81 +668,6 @@ 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,
@@ -790,7 +712,7 @@ 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;
@@ -853,7 +775,7 @@ 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;
@@ -1042,20 +964,6 @@ 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 c60dfb817227..8321d3427fc1 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.h
+++ b/drivers/net/wireless/mediatek/mt76/dma.h
@@ -77,15 +77,18 @@ 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 4a006409a373..cd2e9737c3bf 100644
--- a/drivers/net/wireless/mediatek/mt76/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mmio.c
@@ -85,110 +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;
- }
-
- desc->token |= cpu_to_le32(FIELD_PREP(MT_DMA_CTL_TOKEN,
- 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 b1d3f55d7034..045bb107ffaf 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -1082,12 +1082,6 @@ 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;
@@ -1098,13 +1092,34 @@ 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 0bc4681fc18a..2ca79b64ad24 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/dma.c
@@ -692,7 +692,7 @@ 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 b1119f62c946..3f24a019d149 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
@@ -392,13 +392,13 @@ 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..8ea21a13c80b
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/wed.c
@@ -0,0 +1,210 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2023 Lorenzo Bianconi <[email protected]>
+ */
+
+#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;
+ }
+
+ desc->token |= cpu_to_le32(FIELD_PREP(MT_DMA_CTL_TOKEN,
+ 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);
--
2.42.0