blob: 93bf1a493e52f8e69a4d58857912f1414416cbc8 [file] [log] [blame]
From 3841127f712794f45b9078215feaa8221ed18851 Mon Sep 17 00:00:00 2001
From: Sujuan Chen <sujuan.chen@mediatek.com>
Date: Wed, 14 Dec 2022 17:19:00 +0800
Subject: [PATCH 3012/3013] mt76: mt7915: wed: add rxwi for further in chip rro
development
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
---
dma.c | 98 +++++++++++++++++++++++++------------------------
mac80211.c | 2 +-
mt76.h | 24 +++++++-----
mt7915/dma.c | 2 -
mt7915/mmio.c | 21 ++++++-----
mt7915/mt7915.h | 1 +
tx.c | 16 ++++----
7 files changed, 86 insertions(+), 78 deletions(-)
diff --git a/dma.c b/dma.c
index 0914266..7ef272e 100644
--- a/dma.c
+++ b/dma.c
@@ -59,17 +59,17 @@ mt76_alloc_txwi(struct mt76_dev *dev)
return t;
}
-static struct mt76_txwi_cache *
+static struct mt76_rxwi_cache *
mt76_alloc_rxwi(struct mt76_dev *dev)
{
- struct mt76_txwi_cache *t;
+ struct mt76_rxwi_cache *r;
- t = kzalloc(L1_CACHE_ALIGN(sizeof(*t)), GFP_ATOMIC);
- if (!t)
+ r = kzalloc(L1_CACHE_ALIGN(sizeof(*r)), GFP_ATOMIC);
+ if (!r)
return NULL;
- t->ptr = NULL;
- return t;
+ r->ptr = NULL;
+ return r;
}
static struct mt76_txwi_cache *
@@ -88,20 +88,20 @@ __mt76_get_txwi(struct mt76_dev *dev)
return t;
}
-static struct mt76_txwi_cache *
+static struct mt76_rxwi_cache *
__mt76_get_rxwi(struct mt76_dev *dev)
{
- struct mt76_txwi_cache *t = NULL;
+ struct mt76_rxwi_cache *r = NULL;
- spin_lock(&dev->wed_lock);
+ spin_lock(&dev->lock);
if (!list_empty(&dev->rxwi_cache)) {
- t = list_first_entry(&dev->rxwi_cache, struct mt76_txwi_cache,
+ r = list_first_entry(&dev->rxwi_cache, struct mt76_rxwi_cache,
list);
- list_del(&t->list);
+ list_del(&r->list);
}
- spin_unlock(&dev->wed_lock);
+ spin_unlock(&dev->lock);
- return t;
+ return r;
}
static struct mt76_txwi_cache *
@@ -115,13 +115,13 @@ mt76_get_txwi(struct mt76_dev *dev)
return mt76_alloc_txwi(dev);
}
-struct mt76_txwi_cache *
+struct mt76_rxwi_cache *
mt76_get_rxwi(struct mt76_dev *dev)
{
- struct mt76_txwi_cache *t = __mt76_get_rxwi(dev);
+ struct mt76_rxwi_cache *r = __mt76_get_rxwi(dev);
- if (t)
- return t;
+ if (r)
+ return r;
return mt76_alloc_rxwi(dev);
}
@@ -140,14 +140,14 @@ mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t)
EXPORT_SYMBOL_GPL(mt76_put_txwi);
void
-mt76_put_rxwi(struct mt76_dev *dev, struct mt76_txwi_cache *t)
+mt76_put_rxwi(struct mt76_dev *dev, struct mt76_rxwi_cache *r)
{
- if (!t)
+ if (!r)
return;
- spin_lock(&dev->wed_lock);
- list_add(&t->list, &dev->rxwi_cache);
- spin_unlock(&dev->wed_lock);
+ spin_lock(&dev->lock);
+ list_add(&r->list, &dev->rxwi_cache);
+ spin_unlock(&dev->lock);
}
EXPORT_SYMBOL_GPL(mt76_put_rxwi);
@@ -168,13 +168,13 @@ mt76_free_pending_txwi(struct mt76_dev *dev)
void
mt76_free_pending_rxwi(struct mt76_dev *dev)
{
- struct mt76_txwi_cache *t;
+ struct mt76_rxwi_cache *r;
local_bh_disable();
- while ((t = __mt76_get_rxwi(dev)) != NULL) {
- if (t->ptr)
- skb_free_frag(t->ptr);
- kfree(t);
+ while ((r = __mt76_get_rxwi(dev)) != NULL) {
+ if (r->ptr)
+ skb_free_frag(r->ptr);
+ kfree(r);
}
local_bh_enable();
}
@@ -209,7 +209,7 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
static int
mt76_dma_add_buf(struct mt76_dev *dev, struct mt76_queue *q,
struct mt76_queue_buf *buf, int nbufs, u32 info,
- struct sk_buff *skb, void *txwi)
+ struct sk_buff *skb, void *txwi, void *rxwi)
{
struct mt76_queue_entry *entry;
struct mt76_desc *desc;
@@ -227,13 +227,13 @@ mt76_dma_add_buf(struct mt76_dev *dev, struct mt76_queue *q,
if ((q->flags & MT_QFLAG_WED) &&
FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_RX) {
- struct mt76_txwi_cache *t = txwi;
+ struct mt76_rxwi_cache *r = rxwi;
int rx_token;
- if (!t)
+ if (!r)
return -ENOMEM;
- rx_token = mt76_rx_token_consume(dev, (void *)skb, t,
+ rx_token = mt76_rx_token_consume(dev, (void *)skb, r,
buf[0].addr);
if (rx_token < 0)
return -ENOMEM;
@@ -280,6 +280,7 @@ mt76_dma_add_buf(struct mt76_dev *dev, struct mt76_queue *q,
}
q->entry[idx].txwi = txwi;
+ q->entry[idx].rxwi = rxwi;
q->entry[idx].skb = skb;
q->entry[idx].wcid = 0xffff;
@@ -379,13 +380,13 @@ mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx,
u32 id, find = 0;
u32 token = FIELD_GET(MT_DMA_CTL_TOKEN,
le32_to_cpu(desc->buf1));
- struct mt76_txwi_cache *t;
+ struct mt76_rxwi_cache *r;
if (*more) {
spin_lock_bh(&dev->rx_token_lock);
- idr_for_each_entry(&dev->rx_token, t, id) {
- if (t->dma_addr == le32_to_cpu(desc->buf0)) {
+ idr_for_each_entry(&dev->rx_token, r, id) {
+ if (r->dma_addr == le32_to_cpu(desc->buf0)) {
find = 1;
desc->buf1 = FIELD_PREP(MT_DMA_CTL_TOKEN, id);
token = id;
@@ -398,11 +399,11 @@ mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx,
return NULL;
}
- t = mt76_rx_token_release(dev, token);
- if (!t)
+ r = mt76_rx_token_release(dev, token);
+ if (!r)
return NULL;
- dma_unmap_single(dev->dma_dev, t->dma_addr,
+ dma_unmap_single(dev->dma_dev, r->dma_addr,
SKB_WITH_OVERHEAD(q->buf_size),
DMA_FROM_DEVICE);
@@ -410,10 +411,10 @@ mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx,
if (!buf)
return NULL;
- memcpy(buf, t->ptr, SKB_WITH_OVERHEAD(q->buf_size));
- t->dma_addr = 0;
+ memcpy(buf, r->ptr, SKB_WITH_OVERHEAD(q->buf_size));
+ r->dma_addr = 0;
- mt76_put_rxwi(dev, t);
+ mt76_put_rxwi(dev, r);
if (drop) {
u32 ctrl = le32_to_cpu(READ_ONCE(desc->ctrl));
@@ -481,7 +482,7 @@ mt76_dma_tx_queue_skb_raw(struct mt76_dev *dev, struct mt76_queue *q,
buf.len = skb->len;
spin_lock_bh(&q->lock);
- mt76_dma_add_buf(dev, q, &buf, 1, tx_info, skb, NULL);
+ mt76_dma_add_buf(dev, q, &buf, 1, tx_info, skb, NULL, NULL);
mt76_dma_kick_queue(dev, q);
spin_unlock_bh(&q->lock);
@@ -558,7 +559,7 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
goto unmap;
return mt76_dma_add_buf(dev, q, tx_info.buf, tx_info.nbuf,
- tx_info.info, tx_info.skb, t);
+ tx_info.info, tx_info.skb, t, NULL);
unmap:
for (n--; n > 0; n--)
@@ -598,20 +599,21 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
spin_lock_bh(&q->lock);
while (q->queued < q->ndesc - 1) {
- struct mt76_txwi_cache *t = NULL;
+ struct mt76_rxwi_cache *r = NULL;
struct mt76_queue_buf qbuf;
bool skip_alloc = false;
void *buf = NULL;
if ((q->flags & MT_QFLAG_WED) &&
FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_RX) {
- t = mt76_get_rxwi(dev);
- if (!t)
+ r = mt76_get_rxwi(dev);
+ if (!r)
break;
- if (t->ptr) {
+ /* reuse skb buf for wed rx copy*/
+ if (r->ptr) {
skip_alloc = true;
- buf = t->ptr;
+ buf = r->ptr;
}
}
@@ -630,7 +632,7 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
qbuf.addr = addr + offset;
qbuf.len = len - offset;
qbuf.skip_unmap = false;
- if (mt76_dma_add_buf(dev, q, &qbuf, 1, 0, buf, t) < 0) {
+ if (mt76_dma_add_buf(dev, q, &qbuf, 1, 0, buf, NULL, r) < 0) {
dma_unmap_single(dev->dma_dev, addr, len,
DMA_FROM_DEVICE);
skb_free_frag(buf);
diff --git a/mac80211.c b/mac80211.c
index de9ef23..818f4f0 100644
--- a/mac80211.c
+++ b/mac80211.c
@@ -597,7 +597,6 @@ mt76_alloc_device(struct device *pdev, unsigned int size,
spin_lock_init(&dev->lock);
spin_lock_init(&dev->cc_lock);
spin_lock_init(&dev->status_lock);
- spin_lock_init(&dev->wed_lock);
mutex_init(&dev->mutex);
init_waitqueue_head(&dev->tx_wait);
@@ -628,6 +627,7 @@ mt76_alloc_device(struct device *pdev, unsigned int size,
INIT_LIST_HEAD(&dev->txwi_cache);
INIT_LIST_HEAD(&dev->rxwi_cache);
dev->token_size = dev->drv->token_size;
+ dev->rx_token_size = dev->drv->rx_token_size;
for (i = 0; i < ARRAY_SIZE(dev->q_rx); i++)
skb_queue_head_init(&dev->rx_skb[i]);
diff --git a/mt76.h b/mt76.h
index b10a16f..631c4cc 100644
--- a/mt76.h
+++ b/mt76.h
@@ -166,6 +166,7 @@ struct mt76_queue_entry {
};
union {
struct mt76_txwi_cache *txwi;
+ struct mt76_rxwi_cache *rxwi;
struct urb *urb;
int buf_sz;
};
@@ -354,10 +355,15 @@ struct mt76_txwi_cache {
struct list_head list;
dma_addr_t dma_addr;
- union {
- struct sk_buff *skb;
- void *ptr;
- };
+ struct sk_buff *skb;
+};
+
+struct mt76_rxwi_cache {
+ struct list_head list;
+ dma_addr_t dma_addr;
+
+ void *ptr;
+ u32 token;
};
struct mt76_rx_tid {
@@ -441,6 +447,7 @@ struct mt76_driver_ops {
u16 txwi_size;
u16 token_size;
u8 mcs_rates;
+ u16 rx_token_size;
void (*update_survey)(struct mt76_phy *phy);
@@ -809,7 +816,6 @@ struct mt76_dev {
struct ieee80211_hw *hw;
- spinlock_t wed_lock;
spinlock_t lock;
spinlock_t cc_lock;
@@ -1400,8 +1406,8 @@ mt76_tx_status_get_hw(struct mt76_dev *dev, struct sk_buff *skb)
}
void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
-void mt76_put_rxwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
-struct mt76_txwi_cache *mt76_get_rxwi(struct mt76_dev *dev);
+void mt76_put_rxwi(struct mt76_dev *dev, struct mt76_rxwi_cache *r);
+struct mt76_rxwi_cache *mt76_get_rxwi(struct mt76_dev *dev);
void mt76_free_pending_rxwi(struct mt76_dev *dev);
void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
struct napi_struct *napi);
@@ -1547,9 +1553,9 @@ struct mt76_txwi_cache *
mt76_token_release(struct mt76_dev *dev, int token, bool *wake);
int mt76_token_consume(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi);
void __mt76_set_tx_blocked(struct mt76_dev *dev, bool blocked);
-struct mt76_txwi_cache *mt76_rx_token_release(struct mt76_dev *dev, int token);
+struct mt76_rxwi_cache *mt76_rx_token_release(struct mt76_dev *dev, int token);
int mt76_rx_token_consume(struct mt76_dev *dev, void *ptr,
- struct mt76_txwi_cache *r, dma_addr_t phys);
+ struct mt76_rxwi_cache *r, dma_addr_t phys);
static inline void mt76_set_tx_blocked(struct mt76_dev *dev, bool blocked)
{
diff --git a/mt7915/dma.c b/mt7915/dma.c
index 3626008..9cbd362 100644
--- a/mt7915/dma.c
+++ b/mt7915/dma.c
@@ -492,7 +492,6 @@ int mt7915_dma_init(struct mt7915_dev *dev, struct mt7915_phy *phy2)
mtk_wed_get_rx_capa(&mdev->mmio.wed)) {
dev->mt76.q_rx[MT_RXQ_MAIN].flags =
MT_WED_Q_RX(MT7915_RXQ_BAND0);
- dev->mt76.rx_token_size += MT7915_RX_RING_SIZE;
}
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN],
@@ -529,7 +528,6 @@ int mt7915_dma_init(struct mt7915_dev *dev, struct mt7915_phy *phy2)
mtk_wed_get_rx_capa(&mdev->mmio.wed)) {
dev->mt76.q_rx[MT_RXQ_BAND1].flags =
MT_WED_Q_RX(MT7915_RXQ_BAND1);
- dev->mt76.rx_token_size += MT7915_RX_RING_SIZE;
}
/* rx data queue for band1 */
diff --git a/mt7915/mmio.c b/mt7915/mmio.c
index 4bc8e8c..09b3973 100644
--- a/mt7915/mmio.c
+++ b/mt7915/mmio.c
@@ -605,18 +605,18 @@ static void mt7915_mmio_wed_release_rx_buf(struct mtk_wed_device *wed)
dev = container_of(wed, struct mt7915_dev, mt76.mmio.wed);
for (i = 0; i < dev->mt76.rx_token_size; i++) {
- struct mt76_txwi_cache *t;
+ struct mt76_rxwi_cache *r;
- t = mt76_rx_token_release(&dev->mt76, i);
- if (!t || !t->ptr)
+ r = mt76_rx_token_release(&dev->mt76, i);
+ if (!r || !r->ptr)
continue;
- dma_unmap_single(dev->mt76.dma_dev, t->dma_addr,
+ dma_unmap_single(dev->mt76.dma_dev, r->dma_addr,
wed->wlan.rx_size, DMA_FROM_DEVICE);
- skb_free_frag(t->ptr);
- t->ptr = NULL;
+ skb_free_frag(r->ptr);
+ r->ptr = NULL;
- mt76_put_rxwi(&dev->mt76, t);
+ mt76_put_rxwi(&dev->mt76, r);
}
mt76_free_pending_rxwi(&dev->mt76);
@@ -641,7 +641,7 @@ static u32 mt7915_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size)
sizeof(struct skb_shared_info));
for (i = 0; i < size; i++) {
- struct mt76_txwi_cache *t = mt76_get_rxwi(&dev->mt76);
+ struct mt76_rxwi_cache *r = mt76_get_rxwi(&dev->mt76);
dma_addr_t phy_addr;
int token;
void *ptr;
@@ -660,7 +660,7 @@ static u32 mt7915_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size)
}
desc->buf0 = cpu_to_le32(phy_addr);
- token = mt76_rx_token_consume(&dev->mt76, ptr, t, phy_addr);
+ token = mt76_rx_token_consume(&dev->mt76, ptr, r, phy_addr);
if (token < 0) {
dma_unmap_single(dev->mt76.dma_dev, phy_addr,
wed->wlan.rx_size, DMA_TO_DEVICE);
@@ -788,7 +788,7 @@ int mt7915_mmio_wed_init(struct mt7915_dev *dev, void *pdev_ptr,
wed->wlan.update_wo_rx_stats = mt7915_mmio_wed_update_rx_stats;
wed->wlan.ser_trigger = mt7915_wed_trigger_ser;
- dev->mt76.rx_token_size = wed->wlan.rx_npkt;
+ dev->mt76.rx_token_size += wed->wlan.rx_npkt;
if (mtk_wed_device_attach(wed))
return 0;
@@ -994,6 +994,7 @@ struct mt7915_dev *mt7915_mmio_probe(struct device *pdev,
SURVEY_INFO_TIME_RX |
SURVEY_INFO_TIME_BSS_RX,
.token_size = MT7915_TOKEN_SIZE,
+ .rx_token_size = MT7915_RX_TOKEN_SIZE,
.tx_prepare_skb = mt7915_tx_prepare_skb,
.tx_complete_skb = mt76_connac_tx_complete_skb,
.rx_skb = mt7915_queue_rx_skb,
diff --git a/mt7915/mt7915.h b/mt7915/mt7915.h
index 30e878f..58ed90b 100644
--- a/mt7915/mt7915.h
+++ b/mt7915/mt7915.h
@@ -57,6 +57,7 @@
#define MT7915_EEPROM_BLOCK_SIZE 16
#define MT7915_TOKEN_SIZE 8192
#define MT7915_HW_TOKEN_SIZE 4096
+#define MT7915_RX_TOKEN_SIZE 4096
#define MT7915_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */
#define MT7915_CFEND_RATE_11B 0x03 /* 11B LP, 11M */
diff --git a/tx.c b/tx.c
index 6d55566..a72b777 100644
--- a/tx.c
+++ b/tx.c
@@ -756,16 +756,16 @@ int mt76_token_consume(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi)
EXPORT_SYMBOL_GPL(mt76_token_consume);
int mt76_rx_token_consume(struct mt76_dev *dev, void *ptr,
- struct mt76_txwi_cache *t, dma_addr_t phys)
+ struct mt76_rxwi_cache *r, dma_addr_t phys)
{
int token;
spin_lock_bh(&dev->rx_token_lock);
- token = idr_alloc(&dev->rx_token, t, 0, dev->rx_token_size,
+ token = idr_alloc(&dev->rx_token, r, 0, dev->rx_token_size,
GFP_ATOMIC);
if (token >= 0) {
- t->ptr = ptr;
- t->dma_addr = phys;
+ r->ptr = ptr;
+ r->dma_addr = phys;
}
spin_unlock_bh(&dev->rx_token_lock);
@@ -802,15 +802,15 @@ mt76_token_release(struct mt76_dev *dev, int token, bool *wake)
}
EXPORT_SYMBOL_GPL(mt76_token_release);
-struct mt76_txwi_cache *
+struct mt76_rxwi_cache *
mt76_rx_token_release(struct mt76_dev *dev, int token)
{
- struct mt76_txwi_cache *t;
+ struct mt76_rxwi_cache *r;
spin_lock_bh(&dev->rx_token_lock);
- t = idr_remove(&dev->rx_token, token);
+ r = idr_remove(&dev->rx_token, token);
spin_unlock_bh(&dev->rx_token_lock);
- return t;
+ return r;
}
EXPORT_SYMBOL_GPL(mt76_rx_token_release);
--
2.36.1