Commit 5f795590 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Paolo Abeni
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net: airoha: Enable Tx drop capability for each Tx DMA ring 



This is a preliminary patch in order to enable hw Qdisc offloading.

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 912d6f66

drivers/net/ethernet/mediatek/airoha_eth.c

+4 −0
Original line number Diff line number Diff line
@@ -1789,6 +1789,10 @@ static int airoha_qdma_init_tx_queue(struct airoha_queue *q, 
		WRITE_ONCE(q->desc[i].ctrl, cpu_to_le32(val));

	}



	/* xmit ring drop default setting */

	airoha_qdma_set(qdma, REG_TX_RING_BLOCKING(qid),

			TX_RING_IRQ_BLOCKING_TX_DROP_EN_MASK);



	airoha_qdma_wr(qdma, REG_TX_RING_BASE(qid), dma_addr);

	airoha_qdma_rmw(qdma, REG_TX_CPU_IDX(qid), TX_RING_CPU_IDX_MASK,

			FIELD_PREP(TX_RING_CPU_IDX_MASK, q->head));