| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Felix Fietkau | 1067 | 77.10% | 8 | 32.00% |
| Lorenzo Bianconi | 188 | 13.58% | 8 | 32.00% |
| Daniel Golle | 65 | 4.70% | 1 | 4.00% |
| John Crispin | 24 | 1.73% | 1 | 4.00% |
| Sean Wang | 13 | 0.94% | 2 | 8.00% |
| Sujuan Chen | 11 | 0.79% | 1 | 4.00% |
| Yan Cangang | 9 | 0.65% | 1 | 4.00% |
| Ilya Lipnitskiy | 4 | 0.29% | 1 | 4.00% |
| René van Dorst | 2 | 0.14% | 1 | 4.00% |
| Thomas Gleixner | 1 | 0.07% | 1 | 4.00% |
| Total | 1384 | 25 |
// 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> #include <linux/rhashtable.h> #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_PPE_WAIT_TIMEOUT_US 1000000 #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) /* CONFIG_MEDIATEK_NETSYS_V2 */ #define MTK_FOE_IB1_BIND_TIMESTAMP_V2 GENMASK(7, 0) #define MTK_FOE_IB1_BIND_VLAN_LAYER_V2 GENMASK(16, 14) #define MTK_FOE_IB1_BIND_PPPOE_V2 BIT(17) #define MTK_FOE_IB1_BIND_VLAN_TAG_V2 BIT(18) #define MTK_FOE_IB1_BIND_CACHE_V2 BIT(20) #define MTK_FOE_IB1_BIND_TTL_V2 BIT(22) #define MTK_FOE_IB1_PACKET_TYPE_V2 GENMASK(27, 23) 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_MIB_CNT BIT(10) #define MTK_FOE_IB2_WDMA_QID2 GENMASK(13, 12) #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) #define MTK_FOE_IB2_PORT_MG GENMASK(17, 12) #define MTK_FOE_IB2_RX_IDX GENMASK(18, 17) #define MTK_FOE_IB2_PORT_AG GENMASK(23, 18) #define MTK_FOE_IB2_DSCP GENMASK(31, 24) /* CONFIG_MEDIATEK_NETSYS_V2 */ #define MTK_FOE_IB2_QID_V2 GENMASK(6, 0) #define MTK_FOE_IB2_PORT_MG_V2 BIT(7) #define MTK_FOE_IB2_PSE_QOS_V2 BIT(8) #define MTK_FOE_IB2_DEST_PORT_V2 GENMASK(12, 9) #define MTK_FOE_IB2_MULTICAST_V2 BIT(13) #define MTK_FOE_IB2_WDMA_WINFO_V2 BIT(19) #define MTK_FOE_IB2_PORT_AG_V2 GENMASK(23, 20) #define MTK_FOE_VLAN2_WINFO_BSS GENMASK(5, 0) #define MTK_FOE_VLAN2_WINFO_WCID GENMASK(13, 6) #define MTK_FOE_VLAN2_WINFO_RING GENMASK(15, 14) #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_AMSDU_USR_INFO GENMASK(15, 0) #define MTK_FOE_WINFO_AMSDU_TID GENMASK(19, 16) #define MTK_FOE_WINFO_AMSDU_IS_FIXEDRATE BIT(20) #define MTK_FOE_WINFO_AMSDU_IS_PRIOR BIT(21) #define MTK_FOE_WINFO_AMSDU_IS_SP BIT(22) #define MTK_FOE_WINFO_AMSDU_HF BIT(23) #define MTK_FOE_WINFO_AMSDU_EN BIT(24) 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; /* netsys_v2 */ u16 minfo; u16 winfo; /* netsys_v3 */ u32 w3info; u32 amsdu; }; /* software-only entry type */ struct mtk_foe_bridge { u8 dest_mac[ETH_ALEN]; u8 src_mac[ETH_ALEN]; u16 vlan; struct {} key_end; u32 ib2; 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; }; #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; 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[31]; }; }; 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, }; enum { MTK_FLOW_TYPE_L4, MTK_FLOW_TYPE_L2, MTK_FLOW_TYPE_L2_SUBFLOW, }; struct mtk_flow_entry { union { struct hlist_node list; struct { struct rhash_head l2_node; struct hlist_head l2_flows; }; }; u8 type; s8 wed_index; u8 ppe_index; u16 hash; union { struct mtk_foe_entry data; struct { struct mtk_flow_entry *base_flow; struct hlist_node list; } l2_data; }; struct rhash_head node; unsigned long cookie; }; struct mtk_mib_entry { u32 byt_cnt_l; u16 byt_cnt_h; u32 pkt_cnt_l; u8 pkt_cnt_h; u8 _rsv0; u32 _rsv1; } __packed; struct mtk_foe_accounting { u64 bytes; u64 packets; }; struct mtk_ppe { struct mtk_eth *eth; struct device *dev; void __iomem *base; int version; char dirname[5]; bool accounting; void *foe_table; dma_addr_t foe_phys; struct mtk_mib_entry *mib_table; dma_addr_t mib_phys; u16 foe_check_time[MTK_PPE_ENTRIES]; struct hlist_head *foe_flow; struct rhashtable l2_flows; void *acct_table; }; struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, int index); void mtk_ppe_deinit(struct mtk_eth *eth); void mtk_ppe_start(struct mtk_ppe *ppe); int mtk_ppe_stop(struct mtk_ppe *ppe); int mtk_ppe_prepare_reset(struct mtk_ppe *ppe); void __mtk_ppe_check_skb(struct mtk_ppe *ppe, struct sk_buff *skb, u16 hash); static inline void mtk_ppe_check_skb(struct mtk_ppe *ppe, struct sk_buff *skb, u16 hash) { u16 now, diff; if (!ppe) return; if (hash > MTK_PPE_HASH_MASK) return; now = (u16)jiffies; diff = now - ppe->foe_check_time[hash]; if (diff < HZ / 10) return; ppe->foe_check_time[hash] = now; __mtk_ppe_check_skb(ppe, skb, hash); } int mtk_foe_entry_prepare(struct mtk_eth *eth, struct mtk_foe_entry *entry, int type, int l4proto, u8 pse_port, u8 *src_mac, u8 *dest_mac); int mtk_foe_entry_set_pse_port(struct mtk_eth *eth, struct mtk_foe_entry *entry, u8 port); int mtk_foe_entry_set_ipv4_tuple(struct mtk_eth *eth, 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_eth *eth, 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_eth *eth, struct mtk_foe_entry *entry, int port); int mtk_foe_entry_set_vlan(struct mtk_eth *eth, struct mtk_foe_entry *entry, int vid); int mtk_foe_entry_set_pppoe(struct mtk_eth *eth, struct mtk_foe_entry *entry, int sid); int mtk_foe_entry_set_wdma(struct mtk_eth *eth, struct mtk_foe_entry *entry, int wdma_idx, int txq, int bss, int wcid, bool amsdu_en); int mtk_foe_entry_set_queue(struct mtk_eth *eth, struct mtk_foe_entry *entry, unsigned int queue); int mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); void mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); int mtk_foe_entry_idle_time(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); int mtk_ppe_debugfs_init(struct mtk_ppe *ppe, int index); struct mtk_foe_accounting *mtk_foe_entry_get_mib(struct mtk_ppe *ppe, u32 index, struct mtk_foe_accounting *diff); #endif
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