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Date: Thu, 27 Jul 2023 09:07:28 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: netdev@...r.kernel.org
Cc: nbd@....name,
john@...ozen.org,
sean.wang@...iatek.com,
Mark-MC.Lee@...iatek.com,
davem@...emloft.net,
edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com,
lorenzo.bianconi@...hat.com,
daniel@...rotopia.org
Subject: [PATCH net-next] net: ethernet: mtk_eth_soc: enable nft hw flowtable_offload for MT7988 SoC
Enable hw Packet Process Engine (PPE) for MT7988 SoC.
Tested-by: Daniel Golle <daniel@...rotopia.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 +++
drivers/net/ethernet/mediatek/mtk_ppe.c | 19 +++++++++++++++----
drivers/net/ethernet/mediatek/mtk_ppe.h | 19 ++++++++++++++++++-
3 files changed, 36 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index d6750a58a71f..95978cf4d6a2 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -5061,6 +5061,9 @@ static const struct mtk_soc_data mt7988_data = {
.required_clks = MT7988_CLKS_BITMAP,
.required_pctl = false,
.version = 3,
+ .offload_version = 2,
+ .hash_offset = 4,
+ .foe_entry_size = MTK_FOE_ENTRY_V3_SIZE,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma_v2),
.rxd_size = sizeof(struct mtk_rx_dma_v2),
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c
index 2f0e682449ef..bf1ecb0c1c10 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
@@ -423,13 +423,22 @@ int mtk_foe_entry_set_wdma(struct mtk_eth *eth, struct mtk_foe_entry *entry,
struct mtk_foe_mac_info *l2 = mtk_foe_entry_l2(eth, entry);
u32 *ib2 = mtk_foe_entry_ib2(eth, entry);
- if (mtk_is_netsys_v2_or_greater(eth)) {
+ switch (eth->soc->version) {
+ case 3:
+ *ib2 &= ~MTK_FOE_IB2_PORT_MG_V2;
+ *ib2 |= FIELD_PREP(MTK_FOE_IB2_RX_IDX, txq) |
+ MTK_FOE_IB2_WDMA_WINFO_V2;
+ l2->w3info = FIELD_PREP(MTK_FOE_WINFO_WCID_V3, wcid) |
+ FIELD_PREP(MTK_FOE_WINFO_BSS_V3, bss);
+ break;
+ case 2:
*ib2 &= ~MTK_FOE_IB2_PORT_MG_V2;
*ib2 |= FIELD_PREP(MTK_FOE_IB2_RX_IDX, txq) |
MTK_FOE_IB2_WDMA_WINFO_V2;
l2->winfo = FIELD_PREP(MTK_FOE_WINFO_WCID, wcid) |
FIELD_PREP(MTK_FOE_WINFO_BSS, bss);
- } else {
+ break;
+ default:
*ib2 &= ~MTK_FOE_IB2_PORT_MG;
*ib2 |= MTK_FOE_IB2_WDMA_WINFO;
if (wdma_idx)
@@ -437,6 +446,7 @@ int mtk_foe_entry_set_wdma(struct mtk_eth *eth, struct mtk_foe_entry *entry,
l2->vlan2 = FIELD_PREP(MTK_FOE_VLAN2_WINFO_BSS, bss) |
FIELD_PREP(MTK_FOE_VLAN2_WINFO_WCID, wcid) |
FIELD_PREP(MTK_FOE_VLAN2_WINFO_RING, txq);
+ break;
}
return 0;
@@ -964,8 +974,7 @@ void mtk_ppe_start(struct mtk_ppe *ppe)
mtk_ppe_init_foe_table(ppe);
ppe_w32(ppe, MTK_PPE_TB_BASE, ppe->foe_phys);
- val = MTK_PPE_TB_CFG_ENTRY_80B |
- MTK_PPE_TB_CFG_AGE_NON_L4 |
+ val = MTK_PPE_TB_CFG_AGE_NON_L4 |
MTK_PPE_TB_CFG_AGE_UNBIND |
MTK_PPE_TB_CFG_AGE_TCP |
MTK_PPE_TB_CFG_AGE_UDP |
@@ -981,6 +990,8 @@ void mtk_ppe_start(struct mtk_ppe *ppe)
MTK_PPE_ENTRIES_SHIFT);
if (mtk_is_netsys_v2_or_greater(ppe->eth))
val |= MTK_PPE_TB_CFG_INFO_SEL;
+ if (!mtk_is_netsys_v3_or_greater(ppe->eth))
+ val |= MTK_PPE_TB_CFG_ENTRY_80B;
ppe_w32(ppe, MTK_PPE_TB_CFG, val);
ppe_w32(ppe, MTK_PPE_IP_PROTO_CHK,
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h
index fb6bf58172d9..e3d0ec72bc69 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe.h
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
@@ -85,6 +85,17 @@ enum {
#define MTK_FOE_WINFO_BSS GENMASK(5, 0)
#define MTK_FOE_WINFO_WCID GENMASK(15, 6)
+#define MTK_FOE_WINFO_BSS_V3 GENMASK(23, 16)
+#define MTK_FOE_WINFO_WCID_V3 GENMASK(15, 0)
+
+#define MTK_FOE_WINFO_PAO_USR_INFO GENMASK(15, 0)
+#define MTK_FOE_WINFO_PAO_TID GENMASK(19, 16)
+#define MTK_FOE_WINFO_PAO_IS_FIXEDRATE BIT(20)
+#define MTK_FOE_WINFO_PAO_IS_PRIOR BIT(21)
+#define MTK_FOE_WINFO_PAO_IS_SP BIT(22)
+#define MTK_FOE_WINFO_PAO_HF BIT(23)
+#define MTK_FOE_WINFO_PAO_AMSDU_EN BIT(24)
+
enum {
MTK_FOE_STATE_INVALID,
MTK_FOE_STATE_UNBIND,
@@ -106,8 +117,13 @@ struct mtk_foe_mac_info {
u16 pppoe_id;
u16 src_mac_lo;
+ /* netsys_v2 */
u16 minfo;
u16 winfo;
+
+ /* netsys_v3 */
+ u32 w3info;
+ u32 wpao;
};
/* software-only entry type */
@@ -218,6 +234,7 @@ struct mtk_foe_ipv6_6rd {
#define MTK_FOE_ENTRY_V1_SIZE 80
#define MTK_FOE_ENTRY_V2_SIZE 96
+#define MTK_FOE_ENTRY_V3_SIZE 128
struct mtk_foe_entry {
u32 ib1;
@@ -228,7 +245,7 @@ struct mtk_foe_entry {
struct mtk_foe_ipv4_dslite dslite;
struct mtk_foe_ipv6 ipv6;
struct mtk_foe_ipv6_6rd ipv6_6rd;
- u32 data[23];
+ u32 data[31];
};
};
--
2.41.0
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