b0687062bd
This is an automatically generated commit which aids following Kernel patch history, as git will see the move and copy as a rename thus defeating the purpose. For the original discussion see: https://lists.openwrt.org/pipermail/openwrt-devel/2023-October/041673.html Signed-off-by: Kenneth Kasilag <kenneth@kasilag.me> Link: https://github.com/openwrt/openwrt/pull/21019 Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
From c9f947769b77c8e8f318bfc8a0777e5d20c44d8d Mon Sep 17 00:00:00 2001
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From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Thu, 17 Oct 2024 16:01:41 +0200
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Subject: [PATCH] net: airoha: Reset BQL stopping the netdevice
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Run airoha_qdma_cleanup_tx_queue() in ndo_stop callback in order to
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unmap pending skbs. Moreover, reset BQL txq state stopping the netdevice,
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Reviewed-by: Hariprasad Kelam <hkelam@marvell.com>
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Message-ID: <20241017-airoha-en7581-reset-bql-v1-1-08c0c9888de5@kernel.org>
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Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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---
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drivers/net/ethernet/mediatek/airoha_eth.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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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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@@ -2489,7 +2489,7 @@ static int airoha_dev_stop(struct net_de
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{
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struct airoha_gdm_port *port = netdev_priv(dev);
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struct airoha_qdma *qdma = port->qdma;
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- int err;
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+ int i, err;
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netif_tx_disable(dev);
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err = airoha_set_gdm_ports(qdma->eth, false);
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@@ -2500,6 +2500,14 @@ static int airoha_dev_stop(struct net_de
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GLOBAL_CFG_TX_DMA_EN_MASK |
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GLOBAL_CFG_RX_DMA_EN_MASK);
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+ for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
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+ if (!qdma->q_tx[i].ndesc)
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+ continue;
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+
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+ airoha_qdma_cleanup_tx_queue(&qdma->q_tx[i]);
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+ netdev_tx_reset_subqueue(dev, i);
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+ }
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+
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return 0;
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}
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