Commit c30c4a82 authored by Felix Fietkau's avatar Felix Fietkau Committed by David S. Miller
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net: ethernet: mtk_eth_soc: use napi_consume_skb



Should improve performance, since it can use bulk free

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Signed-off-by: default avatarIlya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 787082ab
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+12 −7
Original line number Diff line number Diff line
@@ -858,7 +858,8 @@ static int txd_to_idx(struct mtk_tx_ring *ring, struct mtk_tx_dma *dma)
	return ((void *)dma - (void *)ring->dma) / sizeof(*dma);
}

static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf)
static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf,
			 bool napi)
{
	if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) {
		if (tx_buf->flags & MTK_TX_FLAGS_SINGLE0) {
@@ -890,8 +891,12 @@ static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf)

	tx_buf->flags = 0;
	if (tx_buf->skb &&
	    (tx_buf->skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC))
	    (tx_buf->skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC)) {
		if (napi)
			napi_consume_skb(tx_buf->skb, napi);
		else
			dev_kfree_skb_any(tx_buf->skb);
	}
	tx_buf->skb = NULL;
}

@@ -1069,7 +1074,7 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev,
		tx_buf = mtk_desc_to_tx_buf(ring, itxd);

		/* unmap dma */
		mtk_tx_unmap(eth, tx_buf);
		mtk_tx_unmap(eth, tx_buf, false);

		itxd->txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU;
		if (!MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA))
@@ -1388,7 +1393,7 @@ static int mtk_poll_tx_qdma(struct mtk_eth *eth, int budget,
			done[mac]++;
			budget--;
		}
		mtk_tx_unmap(eth, tx_buf);
		mtk_tx_unmap(eth, tx_buf, true);

		ring->last_free = desc;
		atomic_inc(&ring->free_count);
@@ -1425,7 +1430,7 @@ static int mtk_poll_tx_pdma(struct mtk_eth *eth, int budget,
			budget--;
		}

		mtk_tx_unmap(eth, tx_buf);
		mtk_tx_unmap(eth, tx_buf, true);

		desc = &ring->dma[cpu];
		ring->last_free = desc;
@@ -1627,7 +1632,7 @@ static void mtk_tx_clean(struct mtk_eth *eth)

	if (ring->buf) {
		for (i = 0; i < MTK_DMA_SIZE; i++)
			mtk_tx_unmap(eth, &ring->buf[i]);
			mtk_tx_unmap(eth, &ring->buf[i], false);
		kfree(ring->buf);
		ring->buf = NULL;
	}