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28 lines
1020 B
Diff
28 lines
1020 B
Diff
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From 5f795590380476f1c9b7ed0ac945c9b0269dc23a Mon Sep 17 00:00:00 2001
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From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Fri, 3 Jan 2025 13:17:02 +0100
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Subject: [PATCH 1/4] net: airoha: Enable Tx drop capability for each Tx DMA
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ring
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This is a preliminary patch in order to enable hw Qdisc offloading.
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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---
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drivers/net/ethernet/mediatek/airoha_eth.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/net/ethernet/mediatek/airoha_eth.c
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+++ b/drivers/net/ethernet/mediatek/airoha_eth.c
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@@ -1790,6 +1790,10 @@ static int airoha_qdma_init_tx_queue(str
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WRITE_ONCE(q->desc[i].ctrl, cpu_to_le32(val));
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}
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+ /* xmit ring drop default setting */
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+ airoha_qdma_set(qdma, REG_TX_RING_BLOCKING(qid),
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+ TX_RING_IRQ_BLOCKING_TX_DROP_EN_MASK);
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+
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airoha_qdma_wr(qdma, REG_TX_RING_BASE(qid), dma_addr);
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airoha_qdma_rmw(qdma, REG_TX_CPU_IDX(qid), TX_RING_CPU_IDX_MASK,
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FIELD_PREP(TX_RING_CPU_IDX_MASK, q->head));
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