Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Steen Hegelund | 908 | 98.91% | 7 | 77.78% |
Casper Andersson | 9 | 0.98% | 1 | 11.11% |
Christophe Jaillet | 1 | 0.11% | 1 | 11.11% |
Total | 918 | 9 |
/* SPDX-License-Identifier: BSD-3-Clause */ /* Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries. * Microchip VCAP API */ #ifndef __VCAP_API__ #define __VCAP_API__ #include <linux/types.h> #include <linux/list.h> #include <linux/netdevice.h> /* Use the generated API model */ #include "vcap_ag_api.h" #define VCAP_CID_LOOKUP_SIZE 100000 /* Chains in a lookup */ #define VCAP_CID_INGRESS_L0 1000000 /* Ingress Stage 1 Lookup 0 */ #define VCAP_CID_INGRESS_L1 1100000 /* Ingress Stage 1 Lookup 1 */ #define VCAP_CID_INGRESS_L2 1200000 /* Ingress Stage 1 Lookup 2 */ #define VCAP_CID_INGRESS_L3 1300000 /* Ingress Stage 1 Lookup 3 */ #define VCAP_CID_INGRESS_L4 1400000 /* Ingress Stage 1 Lookup 4 */ #define VCAP_CID_INGRESS_L5 1500000 /* Ingress Stage 1 Lookup 5 */ #define VCAP_CID_PREROUTING_IPV6 3000000 /* Prerouting Stage */ #define VCAP_CID_PREROUTING 6000000 /* Prerouting Stage */ #define VCAP_CID_INGRESS_STAGE2_L0 8000000 /* Ingress Stage 2 Lookup 0 */ #define VCAP_CID_INGRESS_STAGE2_L1 8100000 /* Ingress Stage 2 Lookup 1 */ #define VCAP_CID_INGRESS_STAGE2_L2 8200000 /* Ingress Stage 2 Lookup 2 */ #define VCAP_CID_INGRESS_STAGE2_L3 8300000 /* Ingress Stage 2 Lookup 3 */ #define VCAP_CID_EGRESS_L0 10000000 /* Egress Lookup 0 */ #define VCAP_CID_EGRESS_L1 10100000 /* Egress Lookup 1 */ #define VCAP_CID_EGRESS_STAGE2_L0 20000000 /* Egress Stage 2 Lookup 0 */ #define VCAP_CID_EGRESS_STAGE2_L1 20100000 /* Egress Stage 2 Lookup 1 */ /* Known users of the VCAP API */ enum vcap_user { VCAP_USER_PTP, VCAP_USER_MRP, VCAP_USER_CFM, VCAP_USER_VLAN, VCAP_USER_QOS, VCAP_USER_VCAP_UTIL, VCAP_USER_TC, VCAP_USER_TC_EXTRA, /* add new users above here */ /* used to define VCAP_USER_MAX below */ __VCAP_USER_AFTER_LAST, VCAP_USER_MAX = __VCAP_USER_AFTER_LAST - 1, }; /* VCAP information used for displaying data */ struct vcap_statistics { char *name; int count; const char * const *keyfield_set_names; const char * const *actionfield_set_names; const char * const *keyfield_names; const char * const *actionfield_names; }; /* VCAP key/action field type, position and width */ struct vcap_field { u16 type; u16 width; u16 offset; }; /* VCAP keyset or actionset type and width */ struct vcap_set { u8 type_id; u8 sw_per_item; u8 sw_cnt; }; /* VCAP typegroup position and bitvalue */ struct vcap_typegroup { u16 offset; u16 width; u16 value; }; /* VCAP model data */ struct vcap_info { char *name; /* user-friendly name */ u16 rows; /* number of row in instance */ u16 sw_count; /* maximum subwords used per rule */ u16 sw_width; /* bits per subword in a keyset */ u16 sticky_width; /* sticky bits per rule */ u16 act_width; /* bits per subword in an actionset */ u16 default_cnt; /* number of default rules */ u16 require_cnt_dis; /* not used */ u16 version; /* vcap rtl version */ const struct vcap_set *keyfield_set; /* keysets */ int keyfield_set_size; /* number of keysets */ const struct vcap_set *actionfield_set; /* actionsets */ int actionfield_set_size; /* number of actionsets */ /* map of keys per keyset */ const struct vcap_field **keyfield_set_map; /* number of entries in the above map */ int *keyfield_set_map_size; /* map of actions per actionset */ const struct vcap_field **actionfield_set_map; /* number of entries in the above map */ int *actionfield_set_map_size; /* map of keyset typegroups per subword size */ const struct vcap_typegroup **keyfield_set_typegroups; /* map of actionset typegroups per subword size */ const struct vcap_typegroup **actionfield_set_typegroups; }; enum vcap_field_type { VCAP_FIELD_BIT, VCAP_FIELD_U32, VCAP_FIELD_U48, VCAP_FIELD_U56, VCAP_FIELD_U64, VCAP_FIELD_U72, VCAP_FIELD_U112, VCAP_FIELD_U128, }; /* VCAP rule data towards the VCAP cache */ struct vcap_cache_data { u32 *keystream; u32 *maskstream; u32 *actionstream; u32 counter; bool sticky; }; /* Selects which part of the rule must be updated */ enum vcap_selection { VCAP_SEL_ENTRY = 0x01, VCAP_SEL_ACTION = 0x02, VCAP_SEL_COUNTER = 0x04, VCAP_SEL_ALL = 0xff, }; /* Commands towards the VCAP cache */ enum vcap_command { VCAP_CMD_WRITE = 0, VCAP_CMD_READ = 1, VCAP_CMD_MOVE_DOWN = 2, VCAP_CMD_MOVE_UP = 3, VCAP_CMD_INITIALIZE = 4, }; enum vcap_rule_error { VCAP_ERR_NONE = 0, /* No known error */ VCAP_ERR_NO_ADMIN, /* No admin instance */ VCAP_ERR_NO_NETDEV, /* No netdev instance */ VCAP_ERR_NO_KEYSET_MATCH, /* No keyset matched the rule keys */ VCAP_ERR_NO_ACTIONSET_MATCH, /* No actionset matched the rule actions */ VCAP_ERR_NO_PORT_KEYSET_MATCH, /* No port keyset matched the rule keys */ }; /* Administration of each VCAP instance */ struct vcap_admin { struct list_head list; /* for insertion in vcap_control */ struct list_head rules; /* list of rules */ struct list_head enabled; /* list of enabled ports */ struct mutex lock; /* control access to rules */ enum vcap_type vtype; /* type of vcap */ int vinst; /* instance number within the same type */ int first_cid; /* first chain id in this vcap */ int last_cid; /* last chain id in this vcap */ int tgt_inst; /* hardware instance number */ int lookups; /* number of lookups in this vcap type */ int lookups_per_instance; /* number of lookups in this instance */ int last_valid_addr; /* top of address range to be used */ int first_valid_addr; /* bottom of address range to be used */ int last_used_addr; /* address of lowest added rule */ bool w32be; /* vcap uses "32bit-word big-endian" encoding */ bool ingress; /* chain traffic direction */ struct vcap_cache_data cache; /* encoded rule data */ }; /* Client supplied VCAP rule data */ struct vcap_rule { int vcap_chain_id; /* chain used for this rule */ enum vcap_user user; /* rule owner */ u16 priority; u32 id; /* vcap rule id, must be unique, 0 will auto-generate a value */ u64 cookie; /* used by the client to identify the rule */ struct list_head keyfields; /* list of vcap_client_keyfield */ struct list_head actionfields; /* list of vcap_client_actionfield */ enum vcap_keyfield_set keyset; /* keyset used: may be derived from fields */ enum vcap_actionfield_set actionset; /* actionset used: may be derived from fields */ enum vcap_rule_error exterr; /* extended error - used by TC */ u64 client; /* space for client defined data */ }; /* List of keysets */ struct vcap_keyset_list { int max; /* size of the keyset list */ int cnt; /* count of keysets actually in the list */ enum vcap_keyfield_set *keysets; /* the list of keysets */ }; /* List of actionsets */ struct vcap_actionset_list { int max; /* size of the actionset list */ int cnt; /* count of actionsets actually in the list */ enum vcap_actionfield_set *actionsets; /* the list of actionsets */ }; /* Client output printf-like function with destination */ struct vcap_output_print { __printf(2, 3) void (*prf)(void *out, const char *fmt, ...); void *dst; }; /* Client supplied VCAP callback operations */ struct vcap_operations { /* validate port keyset operation */ enum vcap_keyfield_set (*validate_keyset) (struct net_device *ndev, struct vcap_admin *admin, struct vcap_rule *rule, struct vcap_keyset_list *kslist, u16 l3_proto); /* add default rule fields for the selected keyset operations */ void (*add_default_fields) (struct net_device *ndev, struct vcap_admin *admin, struct vcap_rule *rule); /* cache operations */ void (*cache_erase) (struct vcap_admin *admin); void (*cache_write) (struct net_device *ndev, struct vcap_admin *admin, enum vcap_selection sel, u32 idx, u32 count); void (*cache_read) (struct net_device *ndev, struct vcap_admin *admin, enum vcap_selection sel, u32 idx, u32 count); /* block operations */ void (*init) (struct net_device *ndev, struct vcap_admin *admin, u32 addr, u32 count); void (*update) (struct net_device *ndev, struct vcap_admin *admin, enum vcap_command cmd, enum vcap_selection sel, u32 addr); void (*move) (struct net_device *ndev, struct vcap_admin *admin, u32 addr, int offset, int count); /* informational */ int (*port_info) (struct net_device *ndev, struct vcap_admin *admin, struct vcap_output_print *out); }; /* VCAP API Client control interface */ struct vcap_control { const struct vcap_operations *ops; /* client supplied operations */ const struct vcap_info *vcaps; /* client supplied vcap models */ const struct vcap_statistics *stats; /* client supplied vcap stats */ struct list_head list; /* list of vcap instances */ }; #endif /* __VCAP_API__ */
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