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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2022-11-12 16:40:36 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2022-12-01 17:29:14 +0100 |
| commit | c601baaf5cd89deda3643beee4b8a57ef151985c (patch) | |
| tree | 57ae7fcb73f7c7570a8f4605c0fe3985e7ce06b6 /drivers/net/wireless/mediatek/mt76/dma.c | |
| parent | cd372b8c99c5a5cf6a464acebb7e4a79af7ec8ae (diff) | |
| download | linux-stable-c601baaf5cd89deda3643beee4b8a57ef151985c.tar.gz linux-stable-c601baaf5cd89deda3643beee4b8a57ef151985c.tar.bz2 linux-stable-c601baaf5cd89deda3643beee4b8a57ef151985c.zip | |
wifi: mt76: add WED RX support to mt76_dma_rx_fill
Introduce the capability to refill WED RX buffers in mt76_dma_rx_fill
utility routine.
Tested-by: Daniel Golle <daniel@makrotopia.org>
Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/dma.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/dma.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 4239adde4cca..cb6e3b358aca 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -550,14 +550,26 @@ free_skb: return ret; } +static struct page_frag_cache * +mt76_dma_rx_get_frag_cache(struct mt76_dev *dev, struct mt76_queue *q) +{ + struct page_frag_cache *rx_page = &q->rx_page; + +#ifdef CONFIG_NET_MEDIATEK_SOC_WED + if ((q->flags & MT_QFLAG_WED) && + FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_RX) + rx_page = &dev->mmio.wed.rx_buf_ring.rx_page; +#endif + return rx_page; +} + static int mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q) { - dma_addr_t addr; - void *buf; - int frames = 0; + struct page_frag_cache *rx_page = mt76_dma_rx_get_frag_cache(dev, q); int len = SKB_WITH_OVERHEAD(q->buf_size); - int offset = q->buf_offset; + int frames = 0, offset = q->buf_offset; + dma_addr_t addr; if (!q->ndesc) return 0; @@ -565,9 +577,18 @@ 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_queue_buf qbuf; + 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) + break; + } - buf = page_frag_alloc(&q->rx_page, q->buf_size, GFP_ATOMIC); + buf = page_frag_alloc(rx_page, q->buf_size, GFP_ATOMIC); if (!buf) break; @@ -580,7 +601,7 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q) qbuf.addr = addr + offset; qbuf.len = len - offset; qbuf.skip_unmap = false; - mt76_dma_add_buf(dev, q, &qbuf, 1, 0, buf, NULL); + mt76_dma_add_buf(dev, q, &qbuf, 1, 0, buf, t); frames++; } |