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- From: Felix Fietkau <[email protected]>
- Date: Thu, 23 Mar 2023 21:45:43 +0100
- Subject: [PATCH] net: ethernet: mediatek: fix ppe flow accounting for v1
- hardware
- Older chips (like MT7622) use a different bit in ib2 to enable hardware
- counter support.
- Signed-off-by: Felix Fietkau <[email protected]>
- ---
- --- a/drivers/net/ethernet/mediatek/mtk_ppe.c
- +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
- @@ -605,6 +605,7 @@ __mtk_foe_entry_commit(struct mtk_ppe *p
- struct mtk_eth *eth = ppe->eth;
- u16 timestamp = mtk_eth_timestamp(eth);
- struct mtk_foe_entry *hwe;
- + u32 val;
-
- if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
- entry->ib1 &= ~MTK_FOE_IB1_BIND_TIMESTAMP_V2;
- @@ -621,8 +622,13 @@ __mtk_foe_entry_commit(struct mtk_ppe *p
- wmb();
- hwe->ib1 = entry->ib1;
-
- - if (ppe->accounting)
- - *mtk_foe_entry_ib2(eth, hwe) |= MTK_FOE_IB2_MIB_CNT;
- + if (ppe->accounting) {
- + if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
- + val = MTK_FOE_IB2_MIB_CNT_V2;
- + else
- + val = MTK_FOE_IB2_MIB_CNT;
- + *mtk_foe_entry_ib2(eth, hwe) |= val;
- + }
-
- dma_wmb();
-
- --- a/drivers/net/ethernet/mediatek/mtk_ppe.h
- +++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
- @@ -55,9 +55,10 @@ enum {
- #define MTK_FOE_IB2_PSE_QOS BIT(4)
- #define MTK_FOE_IB2_DEST_PORT GENMASK(7, 5)
- #define MTK_FOE_IB2_MULTICAST BIT(8)
- +#define MTK_FOE_IB2_MIB_CNT BIT(10)
-
- #define MTK_FOE_IB2_WDMA_QID2 GENMASK(13, 12)
- -#define MTK_FOE_IB2_MIB_CNT BIT(15)
- +#define MTK_FOE_IB2_MIB_CNT_V2 BIT(15)
- #define MTK_FOE_IB2_WDMA_DEVIDX BIT(16)
- #define MTK_FOE_IB2_WDMA_WINFO BIT(17)
-
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