wifi: mt76: Add rx_queue_init callback

Introduce rx_queue_init DMA callback. This is a preliminary patch to
configure RRO RX queues and decouple RRO logic from WED support.

Co-developed-by: Rex Lu <rex.lu@mediatek.com>
Signed-off-by: Rex Lu <rex.lu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250909-mt7996-rro-rework-v5-13-7d66f6eb7795@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index b8bb8cdfb69bd6aa8102bff474d8a25a881fb29d..081a3f5d387864ad596fec93542797038eed26f1 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -937,6 +937,15 @@ int mt76_dma_rx_poll(struct napi_struct *napi, int budget)
 }
 EXPORT_SYMBOL_GPL(mt76_dma_rx_poll);
 
+static void
+mt76_dma_rx_queue_init(struct mt76_dev *dev, enum mt76_rxq_id qid,
+                      int (*poll)(struct napi_struct *napi, int budget))
+{
+       netif_napi_add(dev->napi_dev, &dev->napi[qid], poll);
+       mt76_dma_rx_fill_buf(dev, &dev->q_rx[qid], false);
+       napi_enable(&dev->napi[qid]);
+}
+
 static int
 mt76_dma_init(struct mt76_dev *dev,
              int (*poll)(struct napi_struct *napi, int budget))
@@ -973,9 +982,7 @@ mt76_dma_init(struct mt76_dev *dev,
                    mt76_queue_is_wed_rro(&dev->q_rx[i]))
                        continue;
 
-               netif_napi_add(dev->napi_dev, &dev->napi[i], poll);
-               mt76_dma_rx_fill_buf(dev, &dev->q_rx[i], false);
-               napi_enable(&dev->napi[i]);
+               mt76_dma_rx_queue_init(dev, i, poll);
        }
 
        return 0;
@@ -988,6 +995,7 @@ static const struct mt76_queue_ops mt76_dma_ops = {
        .tx_queue_skb_raw = mt76_dma_tx_queue_skb_raw,
        .tx_queue_skb = mt76_dma_tx_queue_skb,
        .tx_cleanup = mt76_dma_tx_cleanup,
+       .rx_queue_init = mt76_dma_rx_queue_init,
        .rx_cleanup = mt76_dma_rx_cleanup,
        .rx_reset = mt76_dma_rx_reset,
        .kick = mt76_dma_kick_queue,

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 76f274ad9d30d77e6be008f2d75ea516bf782910..0e38334a9004383bf56b0765926a15c0b68d18a5 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -286,6 +286,9 @@ struct mt76_queue_ops {
        void (*tx_cleanup)(struct mt76_dev *dev, struct mt76_queue *q,
                           bool flush);
 
+       void (*rx_queue_init)(struct mt76_dev *dev, enum mt76_rxq_id qid,
+                             int (*poll)(struct napi_struct *napi, int budget));
+
        void (*rx_cleanup)(struct mt76_dev *dev, struct mt76_queue *q);
 
        void (*kick)(struct mt76_dev *dev, struct mt76_queue *q);
@@ -1221,6 +1224,7 @@ static inline int mt76_wed_dma_setup(struct mt76_dev *dev, struct mt76_queue *q,
 #define mt76_tx_queue_skb(dev, ...)    (dev)->mt76.queue_ops->tx_queue_skb(&((dev)->mphy), __VA_ARGS__)
 #define mt76_queue_rx_reset(dev, ...)  (dev)->mt76.queue_ops->rx_reset(&((dev)->mt76), __VA_ARGS__)
 #define mt76_queue_tx_cleanup(dev, ...)        (dev)->mt76.queue_ops->tx_cleanup(&((dev)->mt76), __VA_ARGS__)
+#define mt76_queue_rx_init(dev, ...)   (dev)->mt76.queue_ops->rx_queue_init(&((dev)->mt76), __VA_ARGS__)
 #define mt76_queue_rx_cleanup(dev, ...)        (dev)->mt76.queue_ops->rx_cleanup(&((dev)->mt76), __VA_ARGS__)
 #define mt76_queue_kick(dev, ...)      (dev)->mt76.queue_ops->kick(&((dev)->mt76), __VA_ARGS__)
 #define mt76_queue_reset(dev, ...)     (dev)->mt76.queue_ops->reset_q(&((dev)->mt76), __VA_ARGS__)