From: Felix Fietkau Date: Thu, 30 Mar 2023 12:08:40 +0000 (+0200) Subject: net: ethernet: mtk_eth_soc: add missing ppe cache flush when deleting a flow X-Git-Tag: v6.6.17~5221^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=924531326e2dd4ceabe7240f2b55a88e7d894ec2;p=platform%2Fkernel%2Flinux-rpi.git 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. Fixes: 33fc42de3327 ("net: ethernet: mtk_eth_soc: support creating mac address based offload entries") Reviewed-by: Simon Horman Signed-off-by: Felix Fietkau Reviewed-by: Leon Romanovsky Link: https://lore.kernel.org/r/20230330120840.52079-3-nbd@nbd.name Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c index a038b99..fd07d6e 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c @@ -459,6 +459,7 @@ __mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry) 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;