From: Felix Fietkau nbd@nbd.name
[ Upstream commit 924531326e2dd4ceabe7240f2b55a88e7d894ec2 ]
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 simon.horman@corigine.com Signed-off-by: Felix Fietkau nbd@nbd.name Reviewed-by: Leon Romanovsky leonro@nvidia.com Link: https://lore.kernel.org/r/20230330120840.52079-3-nbd@nbd.name Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/mediatek/mtk_ppe.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c index 52db211d9596a..2ea539ccc0802 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;