diff options
author | Felix Fietkau <nbd@nbd.name> | 2020-10-08 13:44:33 +0200 |
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committer | Felix Fietkau <nbd@nbd.name> | 2020-10-16 21:37:39 +0200 |
commit | b59d5c8f0eebb6d15d7cefe487c17fad0ee4a524 (patch) | |
tree | cacf9795dc751fc9fa815d787abf16655d8b0f78 /target/linux/generic/pending-5.4/770-15-net-ethernet-mediatek-mtk_eth_soc-add-support-for-in.patch | |
parent | ba9b6702aa3e95fa5a3a8aaa9e95c2d1e073f2f2 (diff) | |
download | upstream-b59d5c8f0eebb6d15d7cefe487c17fad0ee4a524.tar.gz upstream-b59d5c8f0eebb6d15d7cefe487c17fad0ee4a524.tar.bz2 upstream-b59d5c8f0eebb6d15d7cefe487c17fad0ee4a524.zip |
mediatek: rewrite flow offload code
The code is now much cleaner and works better than the old code.
Preparation for submitting it upstream (though with a different API)
Also add back MT7621 support and fix flow table coherence issues on
MT7622
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/generic/pending-5.4/770-15-net-ethernet-mediatek-mtk_eth_soc-add-support-for-in.patch')
-rw-r--r-- | target/linux/generic/pending-5.4/770-15-net-ethernet-mediatek-mtk_eth_soc-add-support-for-in.patch | 1058 |
1 files changed, 1058 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.4/770-15-net-ethernet-mediatek-mtk_eth_soc-add-support-for-in.patch b/target/linux/generic/pending-5.4/770-15-net-ethernet-mediatek-mtk_eth_soc-add-support-for-in.patch new file mode 100644 index 0000000000..6d729c0f08 --- /dev/null +++ b/target/linux/generic/pending-5.4/770-15-net-ethernet-mediatek-mtk_eth_soc-add-support-for-in.patch @@ -0,0 +1,1058 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Sun, 11 Oct 2020 22:23:08 +0200 +Subject: [PATCH] ethernet: mediatek: mtk_eth_soc: add support for + initializing the PPE + +The PPE (packet processing engine) is used to offload NAT/routed or even +bridged flows. This patch brings up the PPE and uses it to get a packet +hash. It also contains some functionality that will be used to bring up +flow offloading later + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + create mode 100644 drivers/net/ethernet/mediatek/mtk_ppe.c + create mode 100644 drivers/net/ethernet/mediatek/mtk_ppe.h + create mode 100644 drivers/net/ethernet/mediatek/mtk_ppe_regs.h + +--- a/drivers/net/ethernet/mediatek/Makefile ++++ b/drivers/net/ethernet/mediatek/Makefile +@@ -4,4 +4,4 @@ + # + + obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth.o +-mtk_eth-y := mtk_eth_soc.o mtk_sgmii.o mtk_eth_path.o ++mtk_eth-y := mtk_eth_soc.o mtk_sgmii.o mtk_eth_path.o mtk_ppe.o +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -2277,12 +2277,17 @@ static int mtk_open(struct net_device *d + + /* we run 2 netdevs on the same dma ring so we only bring it up once */ + if (!refcount_read(ð->dma_refcnt)) { +- int err = mtk_start_dma(eth); ++ u32 gdm_config = MTK_GDMA_TO_PDMA; ++ int err; + ++ err = mtk_start_dma(eth); + if (err) + return err; + +- mtk_gdm_config(eth, MTK_GDMA_TO_PDMA); ++ if (eth->soc->offload_version && mtk_ppe_start(ð->ppe) == 0) ++ gdm_config = MTK_GDMA_TO_PPE; ++ ++ mtk_gdm_config(eth, gdm_config); + + napi_enable(ð->tx_napi); + napi_enable(ð->rx_napi); +@@ -2352,6 +2357,9 @@ static int mtk_stop(struct net_device *d + + mtk_dma_free(eth); + ++ if (eth->soc->offload_version) ++ mtk_ppe_stop(ð->ppe); ++ + return 0; + } + +@@ -3141,6 +3149,13 @@ static int mtk_probe(struct platform_dev + goto err_free_dev; + } + ++ if (eth->soc->offload_version) { ++ err = mtk_ppe_init(ð->ppe, eth->dev, ++ eth->base + MTK_ETH_PPE_BASE, 2); ++ if (err) ++ goto err_free_dev; ++ } ++ + for (i = 0; i < MTK_MAX_DEVS; i++) { + if (!eth->netdev[i]) + continue; +@@ -3215,6 +3230,7 @@ static const struct mtk_soc_data mt7621_ + .hw_features = MTK_HW_FEATURES, + .required_clks = MT7621_CLKS_BITMAP, + .required_pctl = false, ++ .offload_version = 2, + }; + + static const struct mtk_soc_data mt7622_data = { +@@ -3223,6 +3239,7 @@ static const struct mtk_soc_data mt7622_ + .hw_features = MTK_HW_FEATURES, + .required_clks = MT7622_CLKS_BITMAP, + .required_pctl = false, ++ .offload_version = 2, + }; + + static const struct mtk_soc_data mt7623_data = { +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -16,6 +16,7 @@ + #include <linux/refcount.h> + #include <linux/phylink.h> + #include <linux/dim.h> ++#include "mtk_ppe.h" + + #define MTK_QDMA_PAGE_SIZE 2048 + #define MTK_MAX_RX_LENGTH 1536 +@@ -87,6 +88,7 @@ + #define MTK_GDMA_TCS_EN BIT(21) + #define MTK_GDMA_UCS_EN BIT(20) + #define MTK_GDMA_TO_PDMA 0x0 ++#define MTK_GDMA_TO_PPE 0x4444 + #define MTK_GDMA_DROP_ALL 0x7777 + + /* Unicast Filter MAC Address Register - Low */ +@@ -308,6 +310,12 @@ + #define RX_DMA_VID(_x) ((_x) & 0xfff) + + /* QDMA descriptor rxd4 */ ++#define MTK_RXD4_FOE_ENTRY GENMASK(13, 0) ++#define MTK_RXD4_PPE_CPU_REASON GENMASK(18, 14) ++#define MTK_RXD4_SRC_PORT GENMASK(21, 19) ++#define MTK_RXD4_ALG GENMASK(31, 22) ++ ++/* QDMA descriptor rxd4 */ + #define RX_DMA_L4_VALID BIT(24) + #define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */ + #define RX_DMA_FPORT_SHIFT 19 +@@ -807,6 +815,7 @@ struct mtk_soc_data { + u32 caps; + u32 required_clks; + bool required_pctl; ++ u8 offload_version; + netdev_features_t hw_features; + }; + +@@ -918,6 +927,8 @@ struct mtk_eth { + u32 tx_int_status_reg; + u32 rx_dma_l4_valid; + int ip_align; ++ ++ struct mtk_ppe ppe; + }; + + /* struct mtk_mac - the structure that holds the info about the MACs of the +--- /dev/null ++++ b/drivers/net/ethernet/mediatek/mtk_ppe.c +@@ -0,0 +1,497 @@ ++// SPDX-License-Identifier: GPL-2.0-only ++/* Copyright (C) 2020 Felix Fietkau <nbd@nbd.name> */ ++ ++#include <linux/kernel.h> ++#include <linux/jiffies.h> ++#include <linux/delay.h> ++#include <linux/io.h> ++#include <linux/etherdevice.h> ++#include <linux/platform_device.h> ++#include "mtk_ppe.h" ++#include "mtk_ppe_regs.h" ++ ++static void ppe_w32(struct mtk_ppe *ppe, u32 reg, u32 val) ++{ ++ writel(val, ppe->base + reg); ++} ++ ++static u32 ppe_r32(struct mtk_ppe *ppe, u32 reg) ++{ ++ return readl(ppe->base + reg); ++} ++ ++static u32 ppe_m32(struct mtk_ppe *ppe, u32 reg, u32 mask, u32 set) ++{ ++ u32 val; ++ ++ val = ppe_r32(ppe, reg); ++ val &= ~mask; ++ val |= set; ++ ppe_w32(ppe, reg, val); ++ ++ return val; ++} ++ ++static u32 ppe_set(struct mtk_ppe *ppe, u32 reg, u32 val) ++{ ++ return ppe_m32(ppe, reg, 0, val); ++} ++ ++static u32 ppe_clear(struct mtk_ppe *ppe, u32 reg, u32 val) ++{ ++ return ppe_m32(ppe, reg, val, 0); ++} ++ ++static int mtk_ppe_wait_busy(struct mtk_ppe *ppe) ++{ ++ unsigned long timeout = jiffies + HZ; ++ ++ while (time_is_before_jiffies(timeout)) { ++ if (!(ppe_r32(ppe, MTK_PPE_GLO_CFG) & MTK_PPE_GLO_CFG_BUSY)) ++ return 0; ++ ++ usleep_range(10, 20); ++ } ++ ++ dev_err(ppe->dev, "PPE table busy"); ++ ++ return -ETIMEDOUT; ++} ++ ++static void mtk_ppe_cache_clear(struct mtk_ppe *ppe) ++{ ++ ppe_set(ppe, MTK_PPE_CACHE_CTL, MTK_PPE_CACHE_CTL_CLEAR); ++ ppe_clear(ppe, MTK_PPE_CACHE_CTL, MTK_PPE_CACHE_CTL_CLEAR); ++} ++ ++static void mtk_ppe_cache_enable(struct mtk_ppe *ppe, bool enable) ++{ ++ mtk_ppe_cache_clear(ppe); ++ ++ ppe_m32(ppe, MTK_PPE_CACHE_CTL, MTK_PPE_CACHE_CTL_EN, ++ enable * MTK_PPE_CACHE_CTL_EN); ++} ++ ++static u32 mtk_ppe_hash_entry(struct mtk_foe_entry *e) ++{ ++ u32 hv1, hv2, hv3; ++ u32 hash; ++ ++ switch (FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, e->ib1)) { ++ case MTK_PPE_PKT_TYPE_BRIDGE: ++ hv1 = e->bridge.src_mac_lo; ++ hv1 ^= ((e->bridge.src_mac_hi & 0xffff) << 16); ++ hv2 = e->bridge.src_mac_hi >> 16; ++ hv2 ^= e->bridge.dest_mac_lo; ++ hv3 = e->bridge.dest_mac_hi; ++ break; ++ case MTK_PPE_PKT_TYPE_IPV4_ROUTE: ++ case MTK_PPE_PKT_TYPE_IPV4_HNAPT: ++ hv1 = e->ipv4.orig.ports; ++ hv2 = e->ipv4.orig.dest_ip; ++ hv3 = e->ipv4.orig.src_ip; ++ break; ++ case MTK_PPE_PKT_TYPE_IPV6_ROUTE_3T: ++ case MTK_PPE_PKT_TYPE_IPV6_ROUTE_5T: ++ hv1 = e->ipv6.src_ip[3] ^ e->ipv6.dest_ip[3]; ++ hv1 ^= e->ipv6.ports; ++ ++ hv2 = e->ipv6.src_ip[2] ^ e->ipv6.dest_ip[2]; ++ hv2 ^= e->ipv6.dest_ip[0]; ++ ++ hv3 = e->ipv6.src_ip[1] ^ e->ipv6.dest_ip[1]; ++ hv3 ^= e->ipv6.src_ip[0]; ++ break; ++ case MTK_PPE_PKT_TYPE_IPV4_DSLITE: ++ case MTK_PPE_PKT_TYPE_IPV6_6RD: ++ default: ++ WARN_ON_ONCE(1); ++ return MTK_PPE_HASH_MASK; ++ } ++ ++ hash = (hv1 & hv2) | ((~hv1) & hv3); ++ hash = (hash >> 24) | ((hash & 0xffffff) << 8); ++ hash ^= hv1 ^ hv2 ^ hv3; ++ hash ^= hash >> 16; ++ hash <<= 1; ++ hash &= MTK_PPE_ENTRIES - 1; ++ ++ return hash; ++} ++ ++static inline struct mtk_foe_mac_info * ++mtk_foe_entry_l2(struct mtk_foe_entry *entry) ++{ ++ int type = FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, entry->ib1); ++ ++ if (type >= MTK_PPE_PKT_TYPE_IPV4_DSLITE) ++ return &entry->ipv6.l2; ++ ++ return &entry->ipv4.l2; ++} ++ ++static inline u32 * ++mtk_foe_entry_ib2(struct mtk_foe_entry *entry) ++{ ++ int type = FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, entry->ib1); ++ ++ if (type >= MTK_PPE_PKT_TYPE_IPV4_DSLITE) ++ return &entry->ipv6.ib2; ++ ++ return &entry->ipv4.ib2; ++} ++ ++int mtk_foe_entry_prepare(struct mtk_foe_entry *entry, int type, int l4proto, ++ u8 pse_port, u8 *src_mac, u8 *dest_mac) ++{ ++ struct mtk_foe_mac_info *l2; ++ u32 ports_pad, val; ++ ++ memset(entry, 0, sizeof(*entry)); ++ ++ val = FIELD_PREP(MTK_FOE_IB1_STATE, MTK_FOE_STATE_BIND) | ++ FIELD_PREP(MTK_FOE_IB1_PACKET_TYPE, type) | ++ FIELD_PREP(MTK_FOE_IB1_UDP, l4proto == IPPROTO_UDP) | ++ MTK_FOE_IB1_BIND_TTL | ++ MTK_FOE_IB1_BIND_CACHE | ++ MTK_FOE_IB1_BIND_KEEPALIVE; ++ entry->ib1 = val; ++ ++ val = FIELD_PREP(MTK_FOE_IB2_PORT_MG, 0x3f) | ++ FIELD_PREP(MTK_FOE_IB2_PORT_AG, 0x1f) | ++ FIELD_PREP(MTK_FOE_IB2_DEST_PORT, pse_port); ++ ++ if (is_multicast_ether_addr(dest_mac)) ++ val |= MTK_FOE_IB2_MULTICAST; ++ ++ ports_pad = 0xa5a5a500 | (l4proto & 0xff); ++ if (type == MTK_PPE_PKT_TYPE_IPV4_ROUTE) ++ entry->ipv4.orig.ports = ports_pad; ++ if (type == MTK_PPE_PKT_TYPE_IPV6_ROUTE_3T) ++ entry->ipv6.ports = ports_pad; ++ ++ if (type >= MTK_PPE_PKT_TYPE_IPV4_DSLITE) { ++ entry->ipv6.ib2 = val; ++ l2 = &entry->ipv6.l2; ++ } else { ++ entry->ipv4.ib2 = val; ++ l2 = &entry->ipv4.l2; ++ } ++ ++ l2->dest_mac_hi = get_unaligned_be32(dest_mac); ++ l2->dest_mac_lo = get_unaligned_be16(dest_mac + 4); ++ l2->src_mac_hi = get_unaligned_be32(src_mac); ++ l2->src_mac_lo = get_unaligned_be16(src_mac + 4); ++ ++ if (type >= MTK_PPE_PKT_TYPE_IPV6_ROUTE_3T) ++ l2->etype = ETH_P_IPV6; ++ else ++ l2->etype = ETH_P_IP; ++ ++ return 0; ++} ++ ++int mtk_foe_entry_set_ipv4_tuple(struct mtk_foe_entry *entry, bool egress, ++ __be32 src_addr, __be16 src_port, ++ __be32 dest_addr, __be16 dest_port) ++{ ++ int type = FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, entry->ib1); ++ struct mtk_ipv4_tuple *t; ++ ++ switch (type) { ++ case MTK_PPE_PKT_TYPE_IPV4_HNAPT: ++ if (egress) { ++ t = &entry->ipv4.new; ++ break; ++ } ++ fallthrough; ++ case MTK_PPE_PKT_TYPE_IPV4_DSLITE: ++ case MTK_PPE_PKT_TYPE_IPV4_ROUTE: ++ t = &entry->ipv4.orig; ++ break; ++ case MTK_PPE_PKT_TYPE_IPV6_6RD: ++ entry->ipv6_6rd.tunnel_src_ip = be32_to_cpu(src_addr); ++ entry->ipv6_6rd.tunnel_dest_ip = be32_to_cpu(dest_addr); ++ return 0; ++ default: ++ WARN_ON_ONCE(1); ++ return -EINVAL; ++ } ++ ++ t->src_ip = be32_to_cpu(src_addr); ++ t->dest_ip = be32_to_cpu(dest_addr); ++ ++ if (type == MTK_PPE_PKT_TYPE_IPV4_ROUTE) ++ return 0; ++ ++ t->src_port = be16_to_cpu(src_port); ++ t->dest_port = be16_to_cpu(dest_port); ++ ++ return 0; ++} ++ ++int mtk_foe_entry_set_ipv6_tuple(struct mtk_foe_entry *entry, ++ __be32 *src_addr, __be16 src_port, ++ __be32 *dest_addr, __be16 dest_port) ++{ ++ int type = FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, entry->ib1); ++ u32 *src, *dest; ++ int i; ++ ++ switch (type) { ++ case MTK_PPE_PKT_TYPE_IPV4_DSLITE: ++ src = entry->dslite.tunnel_src_ip; ++ dest = entry->dslite.tunnel_dest_ip; ++ break; ++ case MTK_PPE_PKT_TYPE_IPV6_ROUTE_5T: ++ case MTK_PPE_PKT_TYPE_IPV6_6RD: ++ entry->ipv6.src_port = be16_to_cpu(src_port); ++ entry->ipv6.dest_port = be16_to_cpu(dest_port); ++ fallthrough; ++ case MTK_PPE_PKT_TYPE_IPV6_ROUTE_3T: ++ src = entry->ipv6.src_ip; ++ dest = entry->ipv6.dest_ip; ++ break; ++ default: ++ WARN_ON_ONCE(1); ++ return -EINVAL; ++ }; ++ ++ for (i = 0; i < 4; i++) ++ src[i] = be32_to_cpu(src_addr[i]); ++ for (i = 0; i < 4; i++) ++ dest[i] = be32_to_cpu(dest_addr[i]); ++ ++ return 0; ++} ++ ++int mtk_foe_entry_set_dsa(struct mtk_foe_entry *entry, int port) ++{ ++ struct mtk_foe_mac_info *l2 = mtk_foe_entry_l2(entry); ++ ++ l2->etype = BIT(port); ++ ++ if (!(entry->ib1 & MTK_FOE_IB1_BIND_VLAN_LAYER)) ++ entry->ib1 |= FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER, 1); ++ else ++ l2->etype |= BIT(8); ++ ++ entry->ib1 &= ~MTK_FOE_IB1_BIND_VLAN_TAG; ++ ++ return 0; ++} ++ ++int mtk_foe_entry_set_vlan(struct mtk_foe_entry *entry, int vid) ++{ ++ struct mtk_foe_mac_info *l2 = mtk_foe_entry_l2(entry); ++ ++ switch (FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER, entry->ib1)) { ++ case 0: ++ entry->ib1 |= MTK_FOE_IB1_BIND_VLAN_TAG | ++ FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER, 1); ++ l2->vlan1 = vid; ++ return 0; ++ case 1: ++ if (!(entry->ib1 & MTK_FOE_IB1_BIND_VLAN_TAG)) { ++ l2->vlan1 = vid; ++ l2->etype |= BIT(8); ++ } else { ++ l2->vlan2 = vid; ++ entry->ib1 += FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER, 1); ++ } ++ return 0; ++ default: ++ return -ENOSPC; ++ } ++} ++ ++int mtk_foe_entry_set_pppoe(struct mtk_foe_entry *entry, int sid) ++{ ++ struct mtk_foe_mac_info *l2 = mtk_foe_entry_l2(entry); ++ ++ if (!(entry->ib1 & MTK_FOE_IB1_BIND_VLAN_LAYER) || ++ (entry->ib1 & MTK_FOE_IB1_BIND_VLAN_TAG)) ++ l2->etype = ETH_P_PPP_SES; ++ ++ entry->ib1 |= MTK_FOE_IB1_BIND_PPPOE; ++ l2->pppoe_id = sid; ++ ++ return 0; ++} ++ ++static inline bool mtk_foe_entry_usable(struct mtk_foe_entry *entry) ++{ ++ return !(entry->ib1 & MTK_FOE_IB1_STATIC) && ++ FIELD_GET(MTK_FOE_IB1_STATE, entry->ib1) != MTK_FOE_STATE_BIND; ++} ++ ++int mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_foe_entry *entry, ++ u16 timestamp) ++{ ++ struct mtk_foe_entry *hwe; ++ u32 hash; ++ ++ timestamp &= MTK_FOE_IB1_BIND_TIMESTAMP; ++ entry->ib1 &= ~MTK_FOE_IB1_BIND_TIMESTAMP; ++ entry->ib1 |= FIELD_PREP(MTK_FOE_IB1_BIND_TIMESTAMP, timestamp); ++ ++ hash = mtk_ppe_hash_entry(entry); ++ hwe = &ppe->foe_table[hash]; ++ if (!mtk_foe_entry_usable(hwe)) { ++ hwe++; ++ hash++; ++ ++ if (!mtk_foe_entry_usable(hwe)) ++ return -ENOSPC; ++ } ++ ++ memcpy(&hwe->data, &entry->data, sizeof(hwe->data)); ++ wmb(); ++ hwe->ib1 = entry->ib1; ++ ++ dma_wmb(); ++ ++ mtk_ppe_cache_clear(ppe); ++ ++ return hash; ++} ++ ++int mtk_ppe_init(struct mtk_ppe *ppe, struct device *dev, void __iomem *base, ++ int version) ++{ ++ struct mtk_foe_entry *foe; ++ ++ /* need to allocate a separate device, since it PPE DMA access is ++ * not coherent. ++ */ ++ ppe->base = base; ++ ppe->dev = dev; ++ ppe->version = version; ++ ++ foe = dmam_alloc_coherent(ppe->dev, MTK_PPE_ENTRIES * sizeof(*foe), ++ &ppe->foe_phys, GFP_KERNEL); ++ if (!foe) ++ return -ENOMEM; ++ ++ ppe->foe_table = foe; ++ ++ return 0; ++} ++ ++static void mtk_ppe_init_foe_table(struct mtk_ppe *ppe) ++{ ++ static const u8 skip[] = { 12, 25, 38, 51, 76, 89, 102 }; ++ int i, k; ++ ++ memset(ppe->foe_table, 0, MTK_PPE_ENTRIES * sizeof(ppe->foe_table)); ++ ++ if (!IS_ENABLED(CONFIG_SOC_MT7621)) ++ return; ++ ++ /* skip all entries that cross the 1024 byte boundary */ ++ for (i = 0; i < MTK_PPE_ENTRIES; i += 128) ++ for (k = 0; k < ARRAY_SIZE(skip); k++) ++ ppe->foe_table[i + skip[k]].ib1 |= MTK_FOE_IB1_STATIC; ++} ++ ++int mtk_ppe_start(struct mtk_ppe *ppe) ++{ ++ u32 val; ++ ++ 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 | ++ MTK_PPE_TB_CFG_AGE_UNBIND | ++ MTK_PPE_TB_CFG_AGE_TCP | ++ MTK_PPE_TB_CFG_AGE_UDP | ++ MTK_PPE_TB_CFG_AGE_TCP_FIN | ++ FIELD_PREP(MTK_PPE_TB_CFG_SEARCH_MISS, ++ MTK_PPE_SEARCH_MISS_ACTION_FORWARD_BUILD) | ++ FIELD_PREP(MTK_PPE_TB_CFG_KEEPALIVE, ++ MTK_PPE_KEEPALIVE_DUP_CPU) | ++ FIELD_PREP(MTK_PPE_TB_CFG_HASH_MODE, 1) | ++ FIELD_PREP(MTK_PPE_TB_CFG_SCAN_MODE, ++ MTK_PPE_SCAN_MODE_KEEPALIVE_AGE) | ++ FIELD_PREP(MTK_PPE_TB_CFG_ENTRY_NUM, ++ MTK_PPE_ENTRIES_SHIFT); ++ ppe_w32(ppe, MTK_PPE_TB_CFG, val); ++ ++ ppe_w32(ppe, MTK_PPE_IP_PROTO_CHK, ++ MTK_PPE_IP_PROTO_CHK_IPV4 | MTK_PPE_IP_PROTO_CHK_IPV6); ++ ++ mtk_ppe_cache_enable(ppe, true); ++ ++ val = MTK_PPE_FLOW_CFG_IP4_TCP_FRAG | ++ MTK_PPE_FLOW_CFG_IP4_UDP_FRAG | ++ MTK_PPE_FLOW_CFG_IP6_3T_ROUTE | ++ MTK_PPE_FLOW_CFG_IP6_5T_ROUTE | ++ MTK_PPE_FLOW_CFG_IP6_6RD | ++ MTK_PPE_FLOW_CFG_IP4_NAT | ++ MTK_PPE_FLOW_CFG_IP4_NAPT | ++ MTK_PPE_FLOW_CFG_IP4_DSLITE | ++ MTK_PPE_FLOW_CFG_L2_BRIDGE | ++ MTK_PPE_FLOW_CFG_IP4_NAT_FRAG; ++ ppe_w32(ppe, MTK_PPE_FLOW_CFG, val); ++ ++ val = FIELD_PREP(MTK_PPE_UNBIND_AGE_MIN_PACKETS, 1000) | ++ FIELD_PREP(MTK_PPE_UNBIND_AGE_DELTA, 3); ++ ppe_w32(ppe, MTK_PPE_UNBIND_AGE, val); ++ ++ val = FIELD_PREP(MTK_PPE_BIND_AGE0_DELTA_UDP, 12) | ++ FIELD_PREP(MTK_PPE_BIND_AGE0_DELTA_NON_L4, 1); ++ ppe_w32(ppe, MTK_PPE_BIND_AGE0, val); ++ ++ val = FIELD_PREP(MTK_PPE_BIND_AGE1_DELTA_TCP_FIN, 1) | ++ FIELD_PREP(MTK_PPE_BIND_AGE1_DELTA_TCP, 7); ++ ppe_w32(ppe, MTK_PPE_BIND_AGE1, val); ++ ++ val = MTK_PPE_BIND_LIMIT0_QUARTER | MTK_PPE_BIND_LIMIT0_HALF; ++ ppe_w32(ppe, MTK_PPE_BIND_LIMIT0, val); ++ ++ val = MTK_PPE_BIND_LIMIT1_FULL | ++ FIELD_PREP(MTK_PPE_BIND_LIMIT1_NON_L4, 1); ++ ppe_w32(ppe, MTK_PPE_BIND_LIMIT1, val); ++ ++ val = FIELD_PREP(MTK_PPE_BIND_RATE_BIND, 30) | ++ FIELD_PREP(MTK_PPE_BIND_RATE_PREBIND, 1); ++ ppe_w32(ppe, MTK_PPE_BIND_RATE, val); ++ ++ /* enable PPE */ ++ val = MTK_PPE_GLO_CFG_EN | ++ MTK_PPE_GLO_CFG_IP4_L4_CS_DROP | ++ MTK_PPE_GLO_CFG_IP4_CS_DROP | ++ MTK_PPE_GLO_CFG_FLOW_DROP_UPDATE; ++ ppe_w32(ppe, MTK_PPE_GLO_CFG, val); ++ ++ ppe_w32(ppe, MTK_PPE_DEFAULT_CPU_PORT, 0); ++ ++ return 0; ++} ++ ++int mtk_ppe_stop(struct mtk_ppe *ppe) ++{ ++ u32 val; ++ int i; ++ ++ for (i = 0; i < MTK_PPE_ENTRIES; i++) ++ ppe->foe_table[i].ib1 = FIELD_PREP(MTK_FOE_IB1_STATE, ++ MTK_FOE_STATE_INVALID); ++ ++ mtk_ppe_cache_enable(ppe, false); ++ ++ /* disable offload engine */ ++ ppe_clear(ppe, MTK_PPE_GLO_CFG, MTK_PPE_GLO_CFG_EN); ++ ppe_w32(ppe, MTK_PPE_FLOW_CFG, 0); ++ ++ /* disable aging */ ++ 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 | ++ MTK_PPE_TB_CFG_AGE_TCP_FIN; ++ ppe_clear(ppe, MTK_PPE_TB_CFG, val); ++ ++ return mtk_ppe_wait_busy(ppe); ++} +--- /dev/null ++++ b/drivers/net/ethernet/mediatek/mtk_ppe.h +@@ -0,0 +1,274 @@ ++// SPDX-License-Identifier: GPL-2.0-only ++/* Copyright (C) 2020 Felix Fietkau <nbd@nbd.name> */ ++ ++#ifndef __MTK_PPE_H ++#define __MTK_PPE_H ++ ++#include <linux/kernel.h> ++#include <linux/bitfield.h> ++ ++#define MTK_ETH_PPE_BASE 0xc00 ++ ++#define MTK_PPE_ENTRIES_SHIFT 3 ++#define MTK_PPE_ENTRIES (1024 << MTK_PPE_ENTRIES_SHIFT) ++#define MTK_PPE_HASH_MASK (MTK_PPE_ENTRIES - 1) ++ ++#define MTK_FOE_IB1_UNBIND_TIMESTAMP GENMASK(7, 0) ++#define MTK_FOE_IB1_UNBIND_PACKETS GENMASK(23, 8) ++#define MTK_FOE_IB1_UNBIND_PREBIND BIT(24) ++ ++#define MTK_FOE_IB1_BIND_TIMESTAMP GENMASK(14, 0) ++#define MTK_FOE_IB1_BIND_KEEPALIVE BIT(15) ++#define MTK_FOE_IB1_BIND_VLAN_LAYER GENMASK(18, 16) ++#define MTK_FOE_IB1_BIND_PPPOE BIT(19) ++#define MTK_FOE_IB1_BIND_VLAN_TAG BIT(20) ++#define MTK_FOE_IB1_BIND_PKT_SAMPLE BIT(21) ++#define MTK_FOE_IB1_BIND_CACHE BIT(22) ++#define MTK_FOE_IB1_BIND_TUNNEL_DECAP BIT(23) ++#define MTK_FOE_IB1_BIND_TTL BIT(24) ++ ++#define MTK_FOE_IB1_PACKET_TYPE GENMASK(27, 25) ++#define MTK_FOE_IB1_STATE GENMASK(29, 28) ++#define MTK_FOE_IB1_UDP BIT(30) ++#define MTK_FOE_IB1_STATIC BIT(31) ++ ++enum { ++ MTK_PPE_PKT_TYPE_IPV4_HNAPT = 0, ++ MTK_PPE_PKT_TYPE_IPV4_ROUTE = 1, ++ MTK_PPE_PKT_TYPE_BRIDGE = 2, ++ MTK_PPE_PKT_TYPE_IPV4_DSLITE = 3, ++ MTK_PPE_PKT_TYPE_IPV6_ROUTE_3T = 4, ++ MTK_PPE_PKT_TYPE_IPV6_ROUTE_5T = 5, ++ MTK_PPE_PKT_TYPE_IPV6_6RD = 7, ++}; ++ ++#define MTK_FOE_IB2_QID GENMASK(3, 0) ++#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_WHNAT_QID2 GENMASK(13, 12) ++#define MTK_FOE_IB2_WHNAT_DEVIDX BIT(16) ++#define MTK_FOE_IB2_WHNAT_NAT BIT(17) ++ ++#define MTK_FOE_IB2_PORT_MG GENMASK(17, 12) ++ ++#define MTK_FOE_IB2_PORT_AG GENMASK(23, 18) ++ ++#define MTK_FOE_IB2_DSCP GENMASK(31, 24) ++ ++#define MTK_FOE_VLAN2_WHNAT_BSS GEMMASK(5, 0) ++#define MTK_FOE_VLAN2_WHNAT_WCID GENMASK(13, 6) ++#define MTK_FOE_VLAN2_WHNAT_RING GENMASK(15, 14) ++ ++enum { ++ MTK_FOE_STATE_INVALID, ++ MTK_FOE_STATE_UNBIND, ++ MTK_FOE_STATE_BIND, ++ MTK_FOE_STATE_FIN ++}; ++ ++struct mtk_foe_mac_info { ++ u16 vlan1; ++ u16 etype; ++ ++ u32 dest_mac_hi; ++ ++ u16 vlan2; ++ u16 dest_mac_lo; ++ ++ u32 src_mac_hi; ++ ++ u16 pppoe_id; ++ u16 src_mac_lo; ++}; ++ ++struct mtk_foe_bridge { ++ u32 dest_mac_hi; ++ ++ u16 src_mac_lo; ++ u16 dest_mac_lo; ++ ++ u32 src_mac_hi; ++ ++ u32 ib2; ++ ++ u32 _rsv[5]; ++ ++ u32 udf_tsid; ++ struct mtk_foe_mac_info l2; ++}; ++ ++struct mtk_ipv4_tuple { ++ u32 src_ip; ++ u32 dest_ip; ++ union { ++ struct { ++ u16 dest_port; ++ u16 src_port; ++ }; ++ struct { ++ u8 protocol; ++ u8 _pad[3]; /* fill with 0xa5a5a5 */ ++ }; ++ u32 ports; ++ }; ++}; ++ ++struct mtk_foe_ipv4 { ++ struct mtk_ipv4_tuple orig; ++ ++ u32 ib2; ++ ++ struct mtk_ipv4_tuple new; ++ ++ u16 timestamp; ++ u16 _rsv0[3]; ++ ++ u32 udf_tsid; ++ ++ struct mtk_foe_mac_info l2; ++}; ++ ++struct mtk_foe_ipv4_dslite { ++ struct mtk_ipv4_tuple ip4; ++ ++ u32 tunnel_src_ip[4]; ++ u32 tunnel_dest_ip[4]; ++ ++ u8 flow_label[3]; ++ u8 priority; ++ ++ u32 udf_tsid; ++ ++ u32 ib2; ++ ++ struct mtk_foe_mac_info l2; ++}; ++ ++struct mtk_foe_ipv6 { ++ u32 src_ip[4]; ++ u32 dest_ip[4]; ++ ++ union { ++ struct { ++ u8 protocol; ++ u8 _pad[3]; /* fill with 0xa5a5a5 */ ++ }; /* 3-tuple */ ++ struct { ++ u16 dest_port; ++ u16 src_port; ++ }; /* 5-tuple */ ++ u32 ports; ++ }; ++ ++ u32 _rsv[3]; ++ ++ u32 udf; ++ ++ u32 ib2; ++ struct mtk_foe_mac_info l2; ++}; ++ ++struct mtk_foe_ipv6_6rd { ++ u32 src_ip[4]; ++ u32 dest_ip[4]; ++ u16 dest_port; ++ u16 src_port; ++ ++ u32 tunnel_src_ip; ++ u32 tunnel_dest_ip; ++ ++ u16 hdr_csum; ++ u8 dscp; ++ u8 ttl; ++ ++ u8 flag; ++ u8 pad; ++ u8 per_flow_6rd_id; ++ u8 pad2; ++ ++ u32 ib2; ++ struct mtk_foe_mac_info l2; ++}; ++ ++struct mtk_foe_entry { ++ u32 ib1; ++ ++ union { ++ struct mtk_foe_bridge bridge; ++ struct mtk_foe_ipv4 ipv4; ++ struct mtk_foe_ipv4_dslite dslite; ++ struct mtk_foe_ipv6 ipv6; ++ struct mtk_foe_ipv6_6rd ipv6_6rd; ++ u32 data[19]; ++ }; ++}; ++ ++enum { ++ MTK_PPE_CPU_REASON_TTL_EXCEEDED = 0x02, ++ MTK_PPE_CPU_REASON_OPTION_HEADER = 0x03, ++ MTK_PPE_CPU_REASON_NO_FLOW = 0x07, ++ MTK_PPE_CPU_REASON_IPV4_FRAG = 0x08, ++ MTK_PPE_CPU_REASON_IPV4_DSLITE_FRAG = 0x09, ++ MTK_PPE_CPU_REASON_IPV4_DSLITE_NO_TCP_UDP = 0x0a, ++ MTK_PPE_CPU_REASON_IPV6_6RD_NO_TCP_UDP = 0x0b, ++ MTK_PPE_CPU_REASON_TCP_FIN_SYN_RST = 0x0c, ++ MTK_PPE_CPU_REASON_UN_HIT = 0x0d, ++ MTK_PPE_CPU_REASON_HIT_UNBIND = 0x0e, ++ MTK_PPE_CPU_REASON_HIT_UNBIND_RATE_REACHED = 0x0f, ++ MTK_PPE_CPU_REASON_HIT_BIND_TCP_FIN = 0x10, ++ MTK_PPE_CPU_REASON_HIT_TTL_1 = 0x11, ++ MTK_PPE_CPU_REASON_HIT_BIND_VLAN_VIOLATION = 0x12, ++ MTK_PPE_CPU_REASON_KEEPALIVE_UC_OLD_HDR = 0x13, ++ MTK_PPE_CPU_REASON_KEEPALIVE_MC_NEW_HDR = 0x14, ++ MTK_PPE_CPU_REASON_KEEPALIVE_DUP_OLD_HDR = 0x15, ++ MTK_PPE_CPU_REASON_HIT_BIND_FORCE_CPU = 0x16, ++ MTK_PPE_CPU_REASON_TUNNEL_OPTION_HEADER = 0x17, ++ MTK_PPE_CPU_REASON_MULTICAST_TO_CPU = 0x18, ++ MTK_PPE_CPU_REASON_MULTICAST_TO_GMAC1_CPU = 0x19, ++ MTK_PPE_CPU_REASON_HIT_PRE_BIND = 0x1a, ++ MTK_PPE_CPU_REASON_PACKET_SAMPLING = 0x1b, ++ MTK_PPE_CPU_REASON_EXCEED_MTU = 0x1c, ++ MTK_PPE_CPU_REASON_PPE_BYPASS = 0x1e, ++ MTK_PPE_CPU_REASON_INVALID = 0x1f, ++}; ++ ++struct mtk_ppe { ++ struct device *dev; ++ void __iomem *base; ++ int version; ++ ++ struct mtk_foe_entry *foe_table; ++ dma_addr_t foe_phys; ++ ++ void *acct_table; ++}; ++ ++int mtk_ppe_init(struct mtk_ppe *ppe, struct device *dev, void __iomem *base, ++ int version); ++int mtk_ppe_start(struct mtk_ppe *ppe); ++int mtk_ppe_stop(struct mtk_ppe *ppe); ++ ++static inline void ++mtk_foe_entry_clear(struct mtk_ppe *ppe, u16 hash) ++{ ++ ppe->foe_table[hash].ib1 = 0; ++ dma_wmb(); ++} ++ ++int mtk_foe_entry_prepare(struct mtk_foe_entry *entry, int type, int l4proto, ++ u8 pse_port, u8 *src_mac, u8 *dest_mac); ++int mtk_foe_entry_set_ipv4_tuple(struct mtk_foe_entry *entry, bool orig, ++ __be32 src_addr, __be16 src_port, ++ __be32 dest_addr, __be16 dest_port); ++int mtk_foe_entry_set_ipv6_tuple(struct mtk_foe_entry *entry, ++ __be32 *src_addr, __be16 src_port, ++ __be32 *dest_addr, __be16 dest_port); ++int mtk_foe_entry_set_dsa(struct mtk_foe_entry *entry, int port); ++int mtk_foe_entry_set_vlan(struct mtk_foe_entry *entry, int vid); ++int mtk_foe_entry_set_pppoe(struct mtk_foe_entry *entry, int sid); ++int mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_foe_entry *entry, ++ u16 timestamp); ++ ++#endif +--- /dev/null ++++ b/drivers/net/ethernet/mediatek/mtk_ppe_regs.h +@@ -0,0 +1,144 @@ ++// SPDX-License-Identifier: GPL-2.0-only ++/* Copyright (C) 2020 Felix Fietkau <nbd@nbd.name> */ ++ ++#ifndef __MTK_PPE_REGS_H ++#define __MTK_PPE_REGS_H ++ ++#define MTK_PPE_GLO_CFG 0x200 ++#define MTK_PPE_GLO_CFG_EN BIT(0) ++#define MTK_PPE_GLO_CFG_TSID_EN BIT(1) ++#define MTK_PPE_GLO_CFG_IP4_L4_CS_DROP BIT(2) ++#define MTK_PPE_GLO_CFG_IP4_CS_DROP BIT(3) ++#define MTK_PPE_GLO_CFG_TTL0_DROP BIT(4) ++#define MTK_PPE_GLO_CFG_PPE_BSWAP BIT(5) ++#define MTK_PPE_GLO_CFG_PSE_HASH_OFS BIT(6) ++#define MTK_PPE_GLO_CFG_MCAST_TB_EN BIT(7) ++#define MTK_PPE_GLO_CFG_FLOW_DROP_KA BIT(8) ++#define MTK_PPE_GLO_CFG_FLOW_DROP_UPDATE BIT(9) ++#define MTK_PPE_GLO_CFG_UDP_LITE_EN BIT(10) ++#define MTK_PPE_GLO_CFG_UDP_LEN_DROP BIT(11) ++#define MTK_PPE_GLO_CFG_MCAST_ENTRIES GNEMASK(13, 12) ++#define MTK_PPE_GLO_CFG_BUSY BIT(31) ++ ++#define MTK_PPE_FLOW_CFG 0x204 ++#define MTK_PPE_FLOW_CFG_IP4_TCP_FRAG BIT(6) ++#define MTK_PPE_FLOW_CFG_IP4_UDP_FRAG BIT(7) ++#define MTK_PPE_FLOW_CFG_IP6_3T_ROUTE BIT(8) ++#define MTK_PPE_FLOW_CFG_IP6_5T_ROUTE BIT(9) ++#define MTK_PPE_FLOW_CFG_IP6_6RD BIT(10) ++#define MTK_PPE_FLOW_CFG_IP4_NAT BIT(12) ++#define MTK_PPE_FLOW_CFG_IP4_NAPT BIT(13) ++#define MTK_PPE_FLOW_CFG_IP4_DSLITE BIT(14) ++#define MTK_PPE_FLOW_CFG_L2_BRIDGE BIT(15) ++#define MTK_PPE_FLOW_CFG_IP_PROTO_BLACKLIST BIT(16) ++#define MTK_PPE_FLOW_CFG_IP4_NAT_FRAG BIT(17) ++#define MTK_PPE_FLOW_CFG_IP4_HASH_FLOW_LABEL BIT(18) ++#define MTK_PPE_FLOW_CFG_IP4_HASH_GRE_KEY BIT(19) ++#define MTK_PPE_FLOW_CFG_IP6_HASH_GRE_KEY BIT(20) ++ ++#define MTK_PPE_IP_PROTO_CHK 0x208 ++#define MTK_PPE_IP_PROTO_CHK_IPV4 GENMASK(15, 0) ++#define MTK_PPE_IP_PROTO_CHK_IPV6 GENMASK(31, 16) ++ ++#define MTK_PPE_TB_CFG 0x21c ++#define MTK_PPE_TB_CFG_ENTRY_NUM GENMASK(2, 0) ++#define MTK_PPE_TB_CFG_ENTRY_80B BIT(3) ++#define MTK_PPE_TB_CFG_SEARCH_MISS GENMASK(5, 4) ++#define MTK_PPE_TB_CFG_AGE_PREBIND BIT(6) ++#define MTK_PPE_TB_CFG_AGE_NON_L4 BIT(7) ++#define MTK_PPE_TB_CFG_AGE_UNBIND BIT(8) ++#define MTK_PPE_TB_CFG_AGE_TCP BIT(9) ++#define MTK_PPE_TB_CFG_AGE_UDP BIT(10) ++#define MTK_PPE_TB_CFG_AGE_TCP_FIN BIT(11) ++#define MTK_PPE_TB_CFG_KEEPALIVE GENMASK(13, 12) ++#define MTK_PPE_TB_CFG_HASH_MODE GENMASK(15, 14) ++#define MTK_PPE_TB_CFG_SCAN_MODE GENMASK(17, 16) ++#define MTK_PPE_TB_CFG_HASH_DEBUG GENMASK(19, 18) ++ ++enum { ++ MTK_PPE_SCAN_MODE_DISABLED, ++ MTK_PPE_SCAN_MODE_CHECK_AGE, ++ MTK_PPE_SCAN_MODE_KEEPALIVE_AGE, ++}; ++ ++enum { ++ MTK_PPE_KEEPALIVE_DISABLE, ++ MTK_PPE_KEEPALIVE_UNICAST_CPU, ++ MTK_PPE_KEEPALIVE_DUP_CPU = 3, ++}; ++ ++enum { ++ MTK_PPE_SEARCH_MISS_ACTION_DROP, ++ MTK_PPE_SEARCH_MISS_ACTION_FORWARD = 2, ++ MTK_PPE_SEARCH_MISS_ACTION_FORWARD_BUILD = 3, ++}; ++ ++#define MTK_PPE_TB_BASE 0x220 ++ ++#define MTK_PPE_TB_USED 0x224 ++#define MTK_PPE_TB_USED_NUM GENMASK(13, 0) ++ ++#define MTK_PPE_BIND_RATE 0x228 ++#define MTK_PPE_BIND_RATE_BIND GENMASK(15, 0) ++#define MTK_PPE_BIND_RATE_PREBIND GENMASK(31, 16) ++ ++#define MTK_PPE_BIND_LIMIT0 0x22c ++#define MTK_PPE_BIND_LIMIT0_QUARTER GENMASK(13, 0) ++#define MTK_PPE_BIND_LIMIT0_HALF GENMASK(29, 16) ++ ++#define MTK_PPE_BIND_LIMIT1 0x230 ++#define MTK_PPE_BIND_LIMIT1_FULL GENMASK(13, 0) ++#define MTK_PPE_BIND_LIMIT1_NON_L4 GENMASK(23, 16) ++ ++#define MTK_PPE_KEEPALIVE 0x234 ++#define MTK_PPE_KEEPALIVE_TIME GENMASK(15, 0) ++#define MTK_PPE_KEEPALIVE_TIME_TCP GENMASK(23, 16) ++#define MTK_PPE_KEEPALIVE_TIME_UDP GENMASK(31, 24) ++ ++#define MTK_PPE_UNBIND_AGE 0x238 ++#define MTK_PPE_UNBIND_AGE_MIN_PACKETS GENMASK(31, 16) ++#define MTK_PPE_UNBIND_AGE_DELTA GENMASK(7, 0) ++ ++#define MTK_PPE_BIND_AGE0 0x23c ++#define MTK_PPE_BIND_AGE0_DELTA_NON_L4 GENMASK(30, 16) ++#define MTK_PPE_BIND_AGE0_DELTA_UDP GENMASK(14, 0) ++ ++#define MTK_PPE_BIND_AGE1 0x240 ++#define MTK_PPE_BIND_AGE1_DELTA_TCP_FIN GENMASK(30, 16) ++#define MTK_PPE_BIND_AGE1_DELTA_TCP GENMASK(14, 0) ++ ++#define MTK_PPE_HASH_SEED 0x244 ++ ++#define MTK_PPE_DEFAULT_CPU_PORT 0x248 ++#define MTK_PPE_DEFAULT_CPU_PORT_MASK(_n) (GENMASK(2, 0) << ((_n) * 4)) ++ ++#define MTK_PPE_MTU_DROP 0x308 ++ ++#define MTK_PPE_VLAN_MTU0 0x30c ++#define MTK_PPE_VLAN_MTU0_NONE GENMASK(13, 0) ++#define MTK_PPE_VLAN_MTU0_1TAG GENMASK(29, 16) ++ ++#define MTK_PPE_VLAN_MTU1 0x310 ++#define MTK_PPE_VLAN_MTU1_2TAG GENMASK(13, 0) ++#define MTK_PPE_VLAN_MTU1_3TAG GENMASK(29, 16) ++ ++#define MTK_PPE_VPM_TPID 0x318 ++ ++#define MTK_PPE_CACHE_CTL 0x320 ++#define MTK_PPE_CACHE_CTL_EN BIT(0) ++#define MTK_PPE_CACHE_CTL_LOCK_CLR BIT(4) ++#define MTK_PPE_CACHE_CTL_REQ BIT(8) ++#define MTK_PPE_CACHE_CTL_CLEAR BIT(9) ++#define MTK_PPE_CACHE_CTL_CMD GENMASK(13, 12) ++ ++#define MTK_PPE_MIB_CFG 0x334 ++#define MTK_PPE_MIB_CFG_EN BIT(0) ++#define MTK_PPE_MIB_CFG_RD_CLR BIT(1) ++ ++#define MTK_PPE_MIB_TB_BASE 0x338 ++ ++#define MTK_PPE_MIB_CACHE_CTL 0x350 ++#define MTK_PPE_MIB_CACHE_CTL_EN BIT(0) ++#define MTK_PPE_MIB_CACHE_CTL_FLUSH BIT(2) ++ ++#endif |