52 lines
1.5 KiB
Diff
52 lines
1.5 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Thu, 23 Mar 2023 21:45:43 +0100
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Subject: [PATCH] net: ethernet: mediatek: fix ppe flow accounting for v1
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hardware
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Older chips (like MT7622) use a different bit in ib2 to enable hardware
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counter support.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
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+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
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@@ -640,6 +640,7 @@ __mtk_foe_entry_commit(struct mtk_ppe *p
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struct mtk_eth *eth = ppe->eth;
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u16 timestamp = mtk_eth_timestamp(eth);
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struct mtk_foe_entry *hwe;
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+ u32 val;
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if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
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entry->ib1 &= ~MTK_FOE_IB1_BIND_TIMESTAMP_V2;
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@@ -656,8 +657,13 @@ __mtk_foe_entry_commit(struct mtk_ppe *p
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wmb();
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hwe->ib1 = entry->ib1;
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- if (ppe->accounting)
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- *mtk_foe_entry_ib2(eth, hwe) |= MTK_FOE_IB2_MIB_CNT;
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+ if (ppe->accounting) {
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+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
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+ val = MTK_FOE_IB2_MIB_CNT_V2;
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+ else
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+ val = MTK_FOE_IB2_MIB_CNT;
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+ *mtk_foe_entry_ib2(eth, hwe) |= val;
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+ }
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dma_wmb();
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--- a/drivers/net/ethernet/mediatek/mtk_ppe.h
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+++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
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@@ -55,9 +55,10 @@ enum {
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#define MTK_FOE_IB2_PSE_QOS BIT(4)
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#define MTK_FOE_IB2_DEST_PORT GENMASK(7, 5)
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#define MTK_FOE_IB2_MULTICAST BIT(8)
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+#define MTK_FOE_IB2_MIB_CNT BIT(10)
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#define MTK_FOE_IB2_WDMA_QID2 GENMASK(13, 12)
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-#define MTK_FOE_IB2_MIB_CNT BIT(15)
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+#define MTK_FOE_IB2_MIB_CNT_V2 BIT(15)
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#define MTK_FOE_IB2_WDMA_DEVIDX BIT(16)
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#define MTK_FOE_IB2_WDMA_WINFO BIT(17)
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