mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-13 22:25:03 +00:00
Code Issues Releases Wiki Activity

wifi: mt76: mmio: move mt76_mmio_wed_{init,release}_rx_buf in common code

Browse source 
Move mt76_mmio_wed_init_rx_buf and mt76_mmio_wed_release_rx_buf routines
in common code.
This is a preliminary patch to introduce WED support for mt7996

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2023-10-20 12:30:48 +02:00 committed by Felix Fietkau
parent 2fac91f2a1
commit b92158a8dc
3 changed files with 82 additions and 76 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

75
drivers/net/wireless/mediatek/mt76/mmio.c
View file

@ -4,6 +4,7 @@
*/
#include "mt76.h"
#include "dma.h"
#include "trace.h"
static u32 mt76_mmio_rr(struct mt76_dev *dev, u32 offset)
@ -84,6 +85,80 @@ 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);
#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 = {

5
drivers/net/wireless/mediatek/mt76/mt76.h
View file

@ -1057,6 +1057,11 @@ static inline u16 mt76_rev(struct mt76_dev *dev)
return dev->rev & 0xffff;
}
#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);
#endif /*CONFIG_NET_MEDIATEK_SOC_WED */
#define mt76xx_chip(dev) mt76_chip(&((dev)->mt76))
#define mt76xx_rev(dev) mt76_rev(&((dev)->mt76))

78
drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
View file

@ -567,80 +567,6 @@ static void mt7915_mmio_wed_offload_disable(struct mtk_wed_device *wed)
spin_unlock_bh(&dev->mt76.token_lock);
}
static void mt7915_mmio_wed_release_rx_buf(struct mtk_wed_device *wed)
{
struct mt7915_dev *dev;
int i;
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;
t = mt76_rx_token_release(&dev->mt76, i);
if (!t || !t->ptr)
continue;
mt76_put_page_pool_buf(t->ptr, false);
t->ptr = NULL;
mt76_put_rxwi(&dev->mt76, t);
}
mt76_free_pending_rxwi(&dev->mt76);
}
static u32 mt7915_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size)
{
struct mtk_wed_bm_desc *desc = wed->rx_buf_ring.desc;
struct mt76_txwi_cache *t = NULL;
struct mt7915_dev *dev;
struct mt76_queue *q;
int i, len;
dev = container_of(wed, struct mt7915_dev, mt76.mmio.wed);
q = &dev->mt76.q_rx[MT_RXQ_MAIN];
len = SKB_WITH_OVERHEAD(q->buf_size);
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->mt76);
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->mt76.dma_dev, addr, len, dir);
desc->buf0 = cpu_to_le32(addr);
token = mt76_rx_token_consume(&dev->mt76, 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->mt76, t);
mt7915_mmio_wed_release_rx_buf(wed);
return -ENOMEM;
}
static void mt7915_mmio_wed_update_rx_stats(struct mtk_wed_device *wed,
struct mtk_wed_wo_rx_stats *stats)
{
@ -780,8 +706,8 @@ int mt7915_mmio_wed_init(struct mt7915_dev *dev, void *pdev_ptr,
wed->wlan.init_buf = mt7915_wed_init_buf;
wed->wlan.offload_enable = mt7915_mmio_wed_offload_enable;
wed->wlan.offload_disable = mt7915_mmio_wed_offload_disable;
wed->wlan.init_rx_buf = mt7915_mmio_wed_init_rx_buf;
wed->wlan.release_rx_buf = mt7915_mmio_wed_release_rx_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.update_wo_rx_stats = mt7915_mmio_wed_update_rx_stats;
wed->wlan.reset = mt7915_mmio_wed_reset;
wed->wlan.reset_complete = mt7915_mmio_wed_reset_complete;