* [PATCH 1/4] mt76: dma: add wrapper macro for accessing queue registers
@ 2022-05-05 11:37 Felix Fietkau
2022-05-05 11:37 ` [PATCH 2/4] mt76: add support for overriding the device used for DMA mapping Felix Fietkau
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Felix Fietkau @ 2022-05-05 11:37 UTC (permalink / raw)
To: linux-wireless
Preparation for adding indirection used for Wireless Ethernet Dispatch support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/net/wireless/mediatek/mt76/dma.c | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 09dc37bbf112..03d5beb1afdd 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -7,6 +7,10 @@
#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)
+
+
static struct mt76_txwi_cache *
mt76_alloc_txwi(struct mt76_dev *dev)
{
@@ -84,9 +88,9 @@ mt76_free_pending_txwi(struct mt76_dev *dev)
static void
mt76_dma_sync_idx(struct mt76_dev *dev, struct mt76_queue *q)
{
- writel(q->desc_dma, &q->regs->desc_base);
- writel(q->ndesc, &q->regs->ring_size);
- q->head = readl(&q->regs->dma_idx);
+ Q_WRITE(dev, q, desc_base, q->desc_dma);
+ Q_WRITE(dev, q, ring_size, q->ndesc);
+ q->head = Q_READ(dev, q, dma_idx);
q->tail = q->head;
}
@@ -102,8 +106,8 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
for (i = 0; i < q->ndesc; i++)
q->desc[i].ctrl = cpu_to_le32(MT_DMA_CTL_DMA_DONE);
- writel(0, &q->regs->cpu_idx);
- writel(0, &q->regs->dma_idx);
+ Q_WRITE(dev, q, cpu_idx, 0);
+ Q_WRITE(dev, q, dma_idx, 0);
mt76_dma_sync_idx(dev, q);
}
@@ -226,7 +230,7 @@ static void
mt76_dma_kick_queue(struct mt76_dev *dev, struct mt76_queue *q)
{
wmb();
- writel(q->head, &q->regs->cpu_idx);
+ Q_WRITE(dev, q, cpu_idx, q->head);
}
static void
@@ -242,7 +246,7 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, struct mt76_queue *q, bool flush)
if (flush)
last = -1;
else
- last = readl(&q->regs->dma_idx);
+ last = Q_READ(dev, q, dma_idx);
while (q->queued > 0 && q->tail != last) {
mt76_dma_tx_cleanup_idx(dev, q, q->tail, &entry);
@@ -254,8 +258,7 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, struct mt76_queue *q, bool flush)
}
if (!flush && q->tail == last)
- last = readl(&q->regs->dma_idx);
-
+ last = Q_READ(dev, q, dma_idx);
}
spin_unlock_bh(&q->cleanup_lock);
--
2.35.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 2/4] mt76: add support for overriding the device used for DMA mapping
2022-05-05 11:37 [PATCH 1/4] mt76: dma: add wrapper macro for accessing queue registers Felix Fietkau
@ 2022-05-05 11:37 ` Felix Fietkau
2022-05-05 11:37 ` [PATCH 3/4] mt76: make number of tokens configurable dynamically Felix Fietkau
2022-05-05 11:37 ` [PATCH 4/4] mt76: mt7915: add Wireless Ethernet Dispatch support Felix Fietkau
2 siblings, 0 replies; 4+ messages in thread
From: Felix Fietkau @ 2022-05-05 11:37 UTC (permalink / raw)
To: linux-wireless
WED support requires using non-coherent DMA, whereas the PCI device might
be configured for coherent DMA.
The WED driver will take care of changing the PCI HIF coherent IO setting
on attach.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/net/wireless/mediatek/mt76/dma.c | 34 +++++++++----------
drivers/net/wireless/mediatek/mt76/mac80211.c | 1 +
drivers/net/wireless/mediatek/mt76/mt76.h | 1 +
3 files changed, 19 insertions(+), 17 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 03d5beb1afdd..83787fc01e4e 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -24,7 +24,7 @@ mt76_alloc_txwi(struct mt76_dev *dev)
if (!txwi)
return NULL;
- addr = dma_map_single(dev->dev, txwi, dev->drv->txwi_size,
+ addr = dma_map_single(dev->dma_dev, txwi, dev->drv->txwi_size,
DMA_TO_DEVICE);
t = (struct mt76_txwi_cache *)(txwi + dev->drv->txwi_size);
t->dma_addr = addr;
@@ -78,7 +78,7 @@ mt76_free_pending_txwi(struct mt76_dev *dev)
local_bh_disable();
while ((t = __mt76_get_txwi(dev)) != NULL) {
- dma_unmap_single(dev->dev, t->dma_addr, dev->drv->txwi_size,
+ dma_unmap_single(dev->dma_dev, t->dma_addr, dev->drv->txwi_size,
DMA_TO_DEVICE);
kfree(mt76_get_txwi_ptr(dev, t));
}
@@ -127,7 +127,7 @@ mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q,
q->hw_idx = idx;
size = q->ndesc * sizeof(struct mt76_desc);
- q->desc = dmam_alloc_coherent(dev->dev, size, &q->desc_dma, GFP_KERNEL);
+ q->desc = dmam_alloc_coherent(dev->dma_dev, size, &q->desc_dma, GFP_KERNEL);
if (!q->desc)
return -ENOMEM;
@@ -209,11 +209,11 @@ mt76_dma_tx_cleanup_idx(struct mt76_dev *dev, struct mt76_queue *q, int idx,
struct mt76_queue_entry *e = &q->entry[idx];
if (!e->skip_buf0)
- dma_unmap_single(dev->dev, e->dma_addr[0], e->dma_len[0],
+ dma_unmap_single(dev->dma_dev, e->dma_addr[0], e->dma_len[0],
DMA_TO_DEVICE);
if (!e->skip_buf1)
- dma_unmap_single(dev->dev, e->dma_addr[1], e->dma_len[1],
+ dma_unmap_single(dev->dma_dev, e->dma_addr[1], e->dma_len[1],
DMA_TO_DEVICE);
if (e->txwi == DMA_DUMMY_DATA)
@@ -293,7 +293,7 @@ mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx,
if (info)
*info = le32_to_cpu(desc->info);
- dma_unmap_single(dev->dev, buf_addr, buf_len, DMA_FROM_DEVICE);
+ dma_unmap_single(dev->dma_dev, buf_addr, buf_len, DMA_FROM_DEVICE);
e->buf = NULL;
return buf;
@@ -330,9 +330,9 @@ mt76_dma_tx_queue_skb_raw(struct mt76_dev *dev, struct mt76_queue *q,
if (q->queued + 1 >= q->ndesc - 1)
goto error;
- addr = dma_map_single(dev->dev, skb->data, skb->len,
+ addr = dma_map_single(dev->dma_dev, skb->data, skb->len,
DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(dev->dev, addr)))
+ if (unlikely(dma_mapping_error(dev->dma_dev, addr)))
goto error;
buf.addr = addr;
@@ -379,8 +379,8 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
mt76_insert_hdr_pad(skb);
len = skb_headlen(skb);
- addr = dma_map_single(dev->dev, skb->data, len, DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(dev->dev, addr)))
+ addr = dma_map_single(dev->dma_dev, skb->data, len, DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(dev->dma_dev, addr)))
goto free;
tx_info.buf[n].addr = t->dma_addr;
@@ -392,9 +392,9 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
if (n == ARRAY_SIZE(tx_info.buf))
goto unmap;
- addr = dma_map_single(dev->dev, iter->data, iter->len,
+ addr = dma_map_single(dev->dma_dev, iter->data, iter->len,
DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(dev->dev, addr)))
+ if (unlikely(dma_mapping_error(dev->dma_dev, addr)))
goto unmap;
tx_info.buf[n].addr = addr;
@@ -407,10 +407,10 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
goto unmap;
}
- dma_sync_single_for_cpu(dev->dev, t->dma_addr, dev->drv->txwi_size,
+ dma_sync_single_for_cpu(dev->dma_dev, t->dma_addr, dev->drv->txwi_size,
DMA_TO_DEVICE);
ret = dev->drv->tx_prepare_skb(dev, txwi, q->qid, wcid, sta, &tx_info);
- dma_sync_single_for_device(dev->dev, t->dma_addr, dev->drv->txwi_size,
+ dma_sync_single_for_device(dev->dma_dev, t->dma_addr, dev->drv->txwi_size,
DMA_TO_DEVICE);
if (ret < 0)
goto unmap;
@@ -420,7 +420,7 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
unmap:
for (n--; n > 0; n--)
- dma_unmap_single(dev->dev, tx_info.buf[n].addr,
+ dma_unmap_single(dev->dma_dev, tx_info.buf[n].addr,
tx_info.buf[n].len, DMA_TO_DEVICE);
free:
@@ -465,8 +465,8 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
if (!buf)
break;
- addr = dma_map_single(dev->dev, buf, len, DMA_FROM_DEVICE);
- if (unlikely(dma_mapping_error(dev->dev, addr))) {
+ addr = dma_map_single(dev->dma_dev, buf, len, DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(dev->dma_dev, addr))) {
skb_free_frag(buf);
break;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index 8a2fedbb1451..41e59f34f02a 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -545,6 +545,7 @@ mt76_alloc_device(struct device *pdev, unsigned int size,
dev->hw = hw;
dev->dev = pdev;
dev->drv = drv_ops;
+ dev->dma_dev = pdev;
phy = &dev->phy;
phy->dev = dev;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 62131010a0bb..9a2fc77243bf 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -698,6 +698,7 @@ struct mt76_dev {
const struct mt76_driver_ops *drv;
const struct mt76_mcu_ops *mcu_ops;
struct device *dev;
+ struct device *dma_dev;
struct mt76_mcu mcu;
--
2.35.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 3/4] mt76: make number of tokens configurable dynamically
2022-05-05 11:37 [PATCH 1/4] mt76: dma: add wrapper macro for accessing queue registers Felix Fietkau
2022-05-05 11:37 ` [PATCH 2/4] mt76: add support for overriding the device used for DMA mapping Felix Fietkau
@ 2022-05-05 11:37 ` Felix Fietkau
2022-05-05 11:37 ` [PATCH 4/4] mt76: mt7915: add Wireless Ethernet Dispatch support Felix Fietkau
2 siblings, 0 replies; 4+ messages in thread
From: Felix Fietkau @ 2022-05-05 11:37 UTC (permalink / raw)
To: linux-wireless
Preparation for adding Wireless Ethernet Dispatch support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/net/wireless/mediatek/mt76/mac80211.c | 1 +
drivers/net/wireless/mediatek/mt76/mt76.h | 6 +++---
drivers/net/wireless/mediatek/mt76/tx.c | 7 +++----
3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index 41e59f34f02a..9056d09d6c33 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -580,6 +580,7 @@ mt76_alloc_device(struct device *pdev, unsigned int size,
INIT_LIST_HEAD(&dev->wcid_list);
INIT_LIST_HEAD(&dev->txwi_cache);
+ dev->token_size = dev->drv->token_size;
for (i = 0; i < ARRAY_SIZE(dev->q_rx); i++)
skb_queue_head_init(&dev->rx_skb[i]);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 9a2fc77243bf..dce86846e648 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -719,7 +719,8 @@ struct mt76_dev {
spinlock_t token_lock;
struct idr token;
- int token_count;
+ u16 token_count;
+ u16 token_size;
wait_queue_head_t tx_wait;
/* spinclock used to protect wcid pktid linked list */
@@ -1381,8 +1382,7 @@ mt76_token_get(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi)
int token;
spin_lock_bh(&dev->token_lock);
- token = idr_alloc(&dev->token, *ptxwi, 0, dev->drv->token_size,
- GFP_ATOMIC);
+ token = idr_alloc(&dev->token, *ptxwi, 0, dev->token_size, GFP_ATOMIC);
spin_unlock_bh(&dev->token_lock);
return token;
diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c
index d5a8456c108b..84fa922c977a 100644
--- a/drivers/net/wireless/mediatek/mt76/tx.c
+++ b/drivers/net/wireless/mediatek/mt76/tx.c
@@ -722,12 +722,11 @@ int mt76_token_consume(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi)
spin_lock_bh(&dev->token_lock);
- token = idr_alloc(&dev->token, *ptxwi, 0, dev->drv->token_size,
- GFP_ATOMIC);
+ token = idr_alloc(&dev->token, *ptxwi, 0, dev->token_size, GFP_ATOMIC);
if (token >= 0)
dev->token_count++;
- if (dev->token_count >= dev->drv->token_size - MT76_TOKEN_FREE_THR)
+ if (dev->token_count >= dev->token_size - MT76_TOKEN_FREE_THR)
__mt76_set_tx_blocked(dev, true);
spin_unlock_bh(&dev->token_lock);
@@ -747,7 +746,7 @@ mt76_token_release(struct mt76_dev *dev, int token, bool *wake)
if (txwi)
dev->token_count--;
- if (dev->token_count < dev->drv->token_size - MT76_TOKEN_FREE_THR &&
+ if (dev->token_count < dev->token_size - MT76_TOKEN_FREE_THR &&
dev->phy.q_tx[0]->blocked)
*wake = true;
--
2.35.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 4/4] mt76: mt7915: add Wireless Ethernet Dispatch support
2022-05-05 11:37 [PATCH 1/4] mt76: dma: add wrapper macro for accessing queue registers Felix Fietkau
2022-05-05 11:37 ` [PATCH 2/4] mt76: add support for overriding the device used for DMA mapping Felix Fietkau
2022-05-05 11:37 ` [PATCH 3/4] mt76: make number of tokens configurable dynamically Felix Fietkau
@ 2022-05-05 11:37 ` Felix Fietkau
2 siblings, 0 replies; 4+ messages in thread
From: Felix Fietkau @ 2022-05-05 11:37 UTC (permalink / raw)
To: linux-wireless
This is used to support hardware flow offloading from Ethernet to WLAN
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/net/wireless/mediatek/mt76/dma.c | 160 ++++++++++++++----
drivers/net/wireless/mediatek/mt76/mac80211.c | 4 +-
drivers/net/wireless/mediatek/mt76/mmio.c | 9 +-
drivers/net/wireless/mediatek/mt76/mt76.h | 30 +++-
.../net/wireless/mediatek/mt76/mt7603/dma.c | 8 +-
.../net/wireless/mediatek/mt76/mt7615/dma.c | 6 +-
.../net/wireless/mediatek/mt76/mt76x02_mmio.c | 4 +-
.../net/wireless/mediatek/mt76/mt7915/dma.c | 43 ++++-
.../net/wireless/mediatek/mt76/mt7915/mac.c | 129 +++++++++++---
.../net/wireless/mediatek/mt76/mt7915/mac.h | 2 +
.../net/wireless/mediatek/mt76/mt7915/main.c | 36 ++++
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 3 +
.../net/wireless/mediatek/mt76/mt7915/mmio.c | 29 +++-
.../wireless/mediatek/mt76/mt7915/mt7915.h | 2 +
.../net/wireless/mediatek/mt76/mt7915/pci.c | 96 ++++++++++-
.../net/wireless/mediatek/mt76/mt7915/regs.h | 17 +-
.../net/wireless/mediatek/mt76/mt7921/dma.c | 2 +-
drivers/net/wireless/mediatek/mt76/tx.c | 16 +-
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)
@@ -111,36 +138,6 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
mt76_dma_sync_idx(dev, 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,
@@ -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 37b092e3ea51..590cff9dcfb1 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 00aefea1bf61..3a79a2d4f288 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 8bcd8afa0d3a..0fa3c7c39529 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 66a312a9c008..c2d655cd7672 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 98defd796e1d..944ba29bef3b 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:
@@ -1416,29 +1451,55 @@ mt7915_txwi_free(struct mt7915_dev *dev, struct mt76_txwi_cache *t,
mt76_put_txwi(mdev, t);
}
+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 @@ mt7915_set_radar_background(struct ieee80211_hw *hw,
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 26e23bd93154..531c4a22bfc6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -434,6 +434,8 @@ 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 @@ static int mt7915_pci_probe(struct pci_dev *pdev,
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 ca7e20fb5fc0..2939cf9be355 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;
--
2.35.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
end of thread, other threads:[~2022-05-05 11:38 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-05-05 11:37 [PATCH 1/4] mt76: dma: add wrapper macro for accessing queue registers Felix Fietkau
2022-05-05 11:37 ` [PATCH 2/4] mt76: add support for overriding the device used for DMA mapping Felix Fietkau
2022-05-05 11:37 ` [PATCH 3/4] mt76: make number of tokens configurable dynamically Felix Fietkau
2022-05-05 11:37 ` [PATCH 4/4] mt76: mt7915: add Wireless Ethernet Dispatch support Felix Fietkau
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