27c9d80f51
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69 lines
1.5 KiB
Diff
69 lines
1.5 KiB
Diff
From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Wed, 13 Sep 2023 20:42:47 +0200
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Subject: [PATCH] net: ethernet: mtk_wed: do not assume offload callbacks are
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always set
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Check if wlan.offload_enable and wlan.offload_disable callbacks are set
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in mtk_wed_flow_add/mtk_wed_flow_remove since mt7996 will not rely
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on them.
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Reviewed-by: Simon Horman <horms@kernel.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_wed.c
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+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
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@@ -1712,19 +1712,20 @@ mtk_wed_irq_set_mask(struct mtk_wed_devi
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int mtk_wed_flow_add(int index)
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{
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struct mtk_wed_hw *hw = hw_list[index];
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- int ret;
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+ int ret = 0;
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- if (!hw || !hw->wed_dev)
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- return -ENODEV;
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+ mutex_lock(&hw_lock);
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- if (hw->num_flows) {
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- hw->num_flows++;
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- return 0;
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+ if (!hw || !hw->wed_dev) {
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+ ret = -ENODEV;
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+ goto out;
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}
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- mutex_lock(&hw_lock);
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- if (!hw->wed_dev) {
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- ret = -ENODEV;
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+ if (!hw->wed_dev->wlan.offload_enable)
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+ goto out;
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+
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+ if (hw->num_flows) {
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+ hw->num_flows++;
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goto out;
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}
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@@ -1743,14 +1744,15 @@ void mtk_wed_flow_remove(int index)
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{
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struct mtk_wed_hw *hw = hw_list[index];
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- if (!hw)
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- return;
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+ mutex_lock(&hw_lock);
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- if (--hw->num_flows)
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- return;
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+ if (!hw || !hw->wed_dev)
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+ goto out;
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- mutex_lock(&hw_lock);
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- if (!hw->wed_dev)
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+ if (!hw->wed_dev->wlan.offload_disable)
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+ goto out;
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+
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+ if (--hw->num_flows)
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goto out;
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hw->wed_dev->wlan.offload_disable(hw->wed_dev);
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