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openwrt/target/linux/airoha/patches-6.12/038-01-v6.14-net-airoha-Enable-Tx-drop-capability-for-each-Tx-DMA.patch
Leo Barsky d62ecd6c07 kernel: 6.12: refresh patches for airoha/econet on 6.12.45
Refresh patches 6.12 for airoha and econet

Fixes: 122135b964 ("airoha: an7581: add support for kernel 6.12")
Fixes: 73d0f92460 ("kernel: Add new platform EcoNet MIPS")

Signed-off-by: Leo Barsky <leobrsky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/20073
Signed-off-by: Robert Marko <robimarko@gmail.com>
2025-09-17 19:21:20 +02:00

28 lines
1020 B
Diff

From 5f795590380476f1c9b7ed0ac945c9b0269dc23a Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Fri, 3 Jan 2025 13:17:02 +0100
Subject: [PATCH 1/4] 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: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/mediatek/airoha_eth.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/net/ethernet/mediatek/airoha_eth.c
+++ b/drivers/net/ethernet/mediatek/airoha_eth.c
@@ -1789,6 +1789,10 @@ static int airoha_qdma_init_tx_queue(str
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));