diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2023-12-12 10:15:19 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2024-02-22 09:55:18 +0100 |
| commit | 3c37da57131fe5a9fd3bbda94bf583812e0d543b (patch) | |
| tree | 56f8ac48c275486f3d5c810382dbf86632d47845 | |
| parent | 8a7386e787ef4d9649930bb09cdf55ccd2102346 (diff) | |
wifi: mt76: set page_pool napi pointer for mmio devices
In order to recycle skbs in the page_pool "hot" cache in
napi_pp_put_page routine, set napi pointer for MMIO devices in
mt76_create_page_pool().
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mac80211.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76.h | 12 |
2 files changed, 21 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index e3ebadcd1499..068206e48aec 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -579,13 +579,18 @@ EXPORT_SYMBOL_GPL(mt76_unregister_phy); int mt76_create_page_pool(struct mt76_dev *dev, struct mt76_queue *q) { + bool is_qrx = mt76_queue_is_rx(dev, q); struct page_pool_params pp_params = { .order = 0, .flags = 0, .nid = NUMA_NO_NODE, .dev = dev->dma_dev, }; - int idx = q - dev->q_rx; + int idx = is_qrx ? q - dev->q_rx : -1; + + /* Allocate page_pools just for rx/wed_tx_free queues */ + if (!is_qrx && !mt76_queue_is_wed_tx_free(q)) + return 0; switch (idx) { case MT_RXQ_MAIN: @@ -604,6 +609,9 @@ int mt76_create_page_pool(struct mt76_dev *dev, struct mt76_queue *q) pp_params.dma_dir = DMA_FROM_DEVICE; pp_params.max_len = PAGE_SIZE; pp_params.offset = 0; + /* NAPI is available just for rx queues */ + if (idx >= 0 && idx < ARRAY_SIZE(dev->napi)) + pp_params.napi = &dev->napi[idx]; } q->page_pool = page_pool_create(&pp_params); diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index ac969a88438b..a91f6ddacbd9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -1607,6 +1607,18 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy, struct mt76_power_limits *dest, s8 target_power); +static inline bool mt76_queue_is_rx(struct mt76_dev *dev, struct mt76_queue *q) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(dev->q_rx); i++) { + if (q == &dev->q_rx[i]) + return true; + } + + return false; +} + static inline bool mt76_queue_is_wed_tx_free(struct mt76_queue *q) { return (q->flags & MT_QFLAG_WED) && |