diff options
Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_ppe.h')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_ppe.h | 156 |
1 files changed, 113 insertions, 43 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h index 242fb8f2ae65..0b7a67a958e4 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.h +++ b/drivers/net/ethernet/mediatek/mtk_ppe.h @@ -6,8 +6,7 @@ #include <linux/kernel.h> #include <linux/bitfield.h> - -#define MTK_ETH_PPE_BASE 0xc00 +#include <linux/rhashtable.h> #define MTK_PPE_ENTRIES_SHIFT 3 #define MTK_PPE_ENTRIES (1024 << MTK_PPE_ENTRIES_SHIFT) @@ -33,6 +32,15 @@ #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, @@ -48,19 +56,30 @@ enum { #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_WDMA_QID2 GENMASK(13, 12) +#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) -#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) +/* CONFIG_MEDIATEK_NETSYS_V2 */ +#define MTK_FOE_IB2_PORT_MG_V2 BIT(7) +#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) enum { MTK_FOE_STATE_INVALID, @@ -82,21 +101,21 @@ struct mtk_foe_mac_info { u16 pppoe_id; u16 src_mac_lo; + + u16 minfo; + u16 winfo; }; +/* software-only entry type */ struct mtk_foe_bridge { - u32 dest_mac_hi; + u8 dest_mac[ETH_ALEN]; + u8 src_mac[ETH_ALEN]; + u16 vlan; - u16 src_mac_lo; - u16 dest_mac_lo; - - u32 src_mac_hi; + struct {} key_end; u32 ib2; - u32 _rsv[5]; - - u32 udf_tsid; struct mtk_foe_mac_info l2; }; @@ -202,7 +221,7 @@ struct mtk_foe_entry { struct mtk_foe_ipv4_dslite dslite; struct mtk_foe_ipv6 ipv6; struct mtk_foe_ipv6_6rd ipv6_6rd; - u32 data[19]; + u32 data[23]; }; }; @@ -235,54 +254,105 @@ enum { 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; + struct {} end; + } l2_data; + }; + struct rhash_head node; + unsigned long cookie; +}; + struct mtk_ppe { + struct mtk_eth *eth; struct device *dev; void __iomem *base; int version; + char dirname[5]; - struct mtk_foe_entry *foe_table; + void *foe_table; dma_addr_t foe_phys; + u16 foe_check_time[MTK_PPE_ENTRIES]; + struct hlist_head *foe_flow; + + struct rhashtable l2_flows; + 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); +struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, + int version, int index); +void mtk_ppe_start(struct mtk_ppe *ppe); int mtk_ppe_stop(struct mtk_ppe *ppe); +void __mtk_ppe_check_skb(struct mtk_ppe *ppe, struct sk_buff *skb, u16 hash); + static inline void -mtk_foe_entry_clear(struct mtk_ppe *ppe, u16 hash) +mtk_ppe_check_skb(struct mtk_ppe *ppe, struct sk_buff *skb, u16 hash) { - ppe->foe_table[hash].ib1 = 0; - dma_wmb(); -} + u16 now, diff; -static inline int -mtk_foe_entry_timestamp(struct mtk_ppe *ppe, u16 hash) -{ - u32 ib1 = READ_ONCE(ppe->foe_table[hash].ib1); + if (!ppe) + return; + + if (hash > MTK_PPE_HASH_MASK) + return; - if (FIELD_GET(MTK_FOE_IB1_STATE, ib1) != MTK_FOE_STATE_BIND) - return -1; + now = (u16)jiffies; + diff = now - ppe->foe_check_time[hash]; + if (diff < HZ / 10) + return; - return FIELD_GET(MTK_FOE_IB1_BIND_TIMESTAMP, ib1); + ppe->foe_check_time[hash] = now; + __mtk_ppe_check_skb(ppe, skb, hash); } -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_pse_port(struct mtk_foe_entry *entry, u8 port); -int mtk_foe_entry_set_ipv4_tuple(struct mtk_foe_entry *entry, bool orig, +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_foe_entry *entry, +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_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); -int mtk_ppe_debugfs_init(struct mtk_ppe *ppe); +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); +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); #endif |