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- From: Felix Fietkau <[email protected]>
- Date: Thu, 23 Mar 2023 11:19:14 +0100
- Subject: [PATCH] net: ethernet: mtk_eth_soc: add missing ppe cache flush when
- deleting a flow
- The cache needs to be flushed to ensure that the hardware stops offloading
- the flow immediately.
- Signed-off-by: Felix Fietkau <[email protected]>
- ---
- --- a/drivers/net/ethernet/mediatek/mtk_ppe.c
- +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
- @@ -464,6 +464,7 @@ __mtk_foe_entry_clear(struct mtk_ppe *pp
- hwe->ib1 &= ~MTK_FOE_IB1_STATE;
- hwe->ib1 |= FIELD_PREP(MTK_FOE_IB1_STATE, MTK_FOE_STATE_INVALID);
- dma_wmb();
- + mtk_ppe_cache_clear(ppe);
- }
- entry->hash = 0xffff;
-
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