X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Ftf_core%2Ftf_core.h;h=44c30fa9045a69f96c12a589ec9adc2d4767ec38;hb=c87bd543a8d42ba820870ececa76f1d98057d3ad;hp=3f54ab16b02d4ef4e945eda93c71437e6c41fda3;hpb=a11f87d3b2caac31623b9f0d190bd93465b27153;p=dpdk.git diff --git a/drivers/net/bnxt/tf_core/tf_core.h b/drivers/net/bnxt/tf_core/tf_core.h index 3f54ab16b0..44c30fa904 100644 --- a/drivers/net/bnxt/tf_core/tf_core.h +++ b/drivers/net/bnxt/tf_core/tf_core.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: BSD-3-Clause - * Copyright(c) 2019-2020 Broadcom + * Copyright(c) 2019-2021 Broadcom * All rights reserved. */ @@ -10,7 +10,7 @@ #include #include #include -#include "hcapi/hcapi_cfa.h" +#include "hcapi_cfa_defs.h" #include "tf_project.h" /** @@ -21,7 +21,6 @@ /********** BEGIN Truflow Core DEFINITIONS **********/ - #define TF_KILOBYTE 1024 #define TF_MEGABYTE (1024 * 1024) @@ -43,6 +42,29 @@ enum tf_mem { TF_MEM_MAX }; +/** + * External memory control channel type + */ +enum tf_ext_mem_chan_type { + /** + * Direct memory write(Wh+/SR) + */ + TF_EXT_MEM_CHAN_TYPE_DIRECT = 0, + /** + * Ring interface MPC + */ + TF_EXT_MEM_CHAN_TYPE_RING_IF, + /** + * Use HWRM message to firmware + */ + TF_EXT_MEM_CHAN_TYPE_FW, + /** + * Use ring_if message to firmware + */ + TF_EXT_MEM_CHAN_TYPE_RING_IF_FW, + TF_EXT_MEM_CHAN_TYPE_MAX +}; + /** * EEM record AR helper * @@ -54,7 +76,6 @@ enum tf_mem { #define TF_ACT_REC_OFFSET_2_PTR(offset) ((offset) >> 4) #define TF_ACT_REC_PTR_2_OFFSET(offset) ((offset) << 4) - /* * Helper Macros */ @@ -149,37 +170,70 @@ enum tf_device_type { TF_DEVICE_TYPE_WH = 0, /**< Whitney+ */ TF_DEVICE_TYPE_SR, /**< Stingray */ TF_DEVICE_TYPE_THOR, /**< Thor */ - TF_DEVICE_TYPE_SR2, /**< Stingray2 */ TF_DEVICE_TYPE_MAX /**< Maximum */ }; +/** + * Module types + */ +enum tf_module_type { + /** + * Identifier module + */ + TF_MODULE_TYPE_IDENTIFIER, + /** + * Table type module + */ + TF_MODULE_TYPE_TABLE, + /** + * TCAM module + */ + TF_MODULE_TYPE_TCAM, + /** + * EM module + */ + TF_MODULE_TYPE_EM, + TF_MODULE_TYPE_MAX +}; + /** * Identifier resource types */ enum tf_identifier_type { /** + * WH/SR/TH * The L2 Context is returned from the L2 Ctxt TCAM lookup * and can be used in WC TCAM or EM keys to virtualize further * lookups. */ - TF_IDENT_TYPE_L2_CTXT, + TF_IDENT_TYPE_L2_CTXT_HIGH, /** + * WH/SR/TH + * The L2 Context is returned from the L2 Ctxt TCAM lookup + * and can be used in WC TCAM or EM keys to virtualize further + * lookups. + */ + TF_IDENT_TYPE_L2_CTXT_LOW, + /** + * WH/SR/TH * The WC profile func is returned from the L2 Ctxt TCAM lookup * to enable virtualization of the profile TCAM. */ TF_IDENT_TYPE_PROF_FUNC, /** + * WH/SR/TH * The WC profile ID is included in the WC lookup key * to enable virtualization of the WC TCAM hardware. */ TF_IDENT_TYPE_WC_PROF, /** + * WH/SR/TH * The EM profile ID is included in the EM lookup key - * to enable virtualization of the EM hardware. (not required for SR2 - * as it has table scope) + * to enable virtualization of the EM hardware. */ TF_IDENT_TYPE_EM_PROF, /** + * TH * The L2 func is included in the ILT result and from recycling to * enable virtualization of further lookups. */ @@ -197,61 +251,55 @@ enum tf_identifier_type { enum tf_tbl_type { /* Internal */ - /** Wh+/SR Action Record */ + /** Wh+/SR/TH Action Record */ TF_TBL_TYPE_FULL_ACT_RECORD, - /** Wh+/SR/Th Multicast Groups */ + /** TH Compact Action Record */ + TF_TBL_TYPE_COMPACT_ACT_RECORD, + /** (Future) Multicast Groups */ TF_TBL_TYPE_MCAST_GROUPS, - /** Wh+/SR Action Encap 8 Bytes */ + /** Wh+/SR/TH Action Encap 8 Bytes */ TF_TBL_TYPE_ACT_ENCAP_8B, - /** Wh+/SR Action Encap 16 Bytes */ + /** Wh+/SR/TH Action Encap 16 Bytes */ TF_TBL_TYPE_ACT_ENCAP_16B, - /** Action Encap 32 Bytes */ + /** WH+/SR/TH Action Encap 32 Bytes */ TF_TBL_TYPE_ACT_ENCAP_32B, - /** Wh+/SR Action Encap 64 Bytes */ + /** Wh+/SR/TH Action Encap 64 Bytes */ TF_TBL_TYPE_ACT_ENCAP_64B, - /** Action Source Properties SMAC */ + /** WH+/SR/TH Action Source Properties SMAC */ TF_TBL_TYPE_ACT_SP_SMAC, - /** Wh+/SR Action Source Properties SMAC IPv4 */ + /** Wh+/SR/TH Action Source Properties SMAC IPv4 */ TF_TBL_TYPE_ACT_SP_SMAC_IPV4, - /** Action Source Properties SMAC IPv6 */ + /** WH+/SR/TH Action Source Properties SMAC IPv6 */ TF_TBL_TYPE_ACT_SP_SMAC_IPV6, - /** Wh+/SR Action Statistics 64 Bits */ + /** Wh+/SR/TH Action Statistics 64 Bits */ TF_TBL_TYPE_ACT_STATS_64, - /** Wh+/SR Action Modify L4 Src Port */ - TF_TBL_TYPE_ACT_MODIFY_SPORT, - /** Wh+/SR Action Modify L4 Dest Port */ - TF_TBL_TYPE_ACT_MODIFY_DPORT, /** Wh+/SR Action Modify IPv4 Source */ - TF_TBL_TYPE_ACT_MODIFY_IPV4_SRC, - /** Wh+/SR Action _Modify L4 Dest Port */ - TF_TBL_TYPE_ACT_MODIFY_IPV4_DEST, - /** Meter Profiles */ + TF_TBL_TYPE_ACT_MODIFY_IPV4, + /** TH 8B Modify Record */ + TF_TBL_TYPE_ACT_MODIFY_8B, + /** TH 16B Modify Record */ + TF_TBL_TYPE_ACT_MODIFY_16B, + /** TH 32B Modify Record */ + TF_TBL_TYPE_ACT_MODIFY_32B, + /** TH 64B Modify Record */ + TF_TBL_TYPE_ACT_MODIFY_64B, + /** (Future) Meter Profiles */ TF_TBL_TYPE_METER_PROF, - /** Meter Instance */ + /** (Future) Meter Instance */ TF_TBL_TYPE_METER_INST, - /** Mirror Config */ + /** Wh+/SR/Th Mirror Config */ TF_TBL_TYPE_MIRROR_CONFIG, - /** UPAR */ + /** (Future) UPAR */ TF_TBL_TYPE_UPAR, - /** SR2 Epoch 0 table */ - TF_TBL_TYPE_EPOCH0, - /** SR2 Epoch 1 table */ - TF_TBL_TYPE_EPOCH1, - /** SR2 Metadata */ + /** (Future) TH Metadata */ TF_TBL_TYPE_METADATA, - /** SR2 CT State */ + /** (Future) TH CT State */ TF_TBL_TYPE_CT_STATE, - /** SR2 Range Profile */ + /** (Future) TH Range Profile */ TF_TBL_TYPE_RANGE_PROF, - /** SR2 Range Entry */ - TF_TBL_TYPE_RANGE_ENTRY, - /** SR2 LAG Entry */ - TF_TBL_TYPE_LAG, - /** SR2 VNIC/SVIF Table */ - TF_TBL_TYPE_VNIC_SVIF, - /** Th/SR2 EM Flexible Key builder */ + /** TH EM Flexible Key builder */ TF_TBL_TYPE_EM_FKB, - /** Th/SR2 WC Flexible Key builder */ + /** TH WC Flexible Key builder */ TF_TBL_TYPE_WC_FKB, /* External */ @@ -259,18 +307,56 @@ enum tf_tbl_type { /** * External table type - initially 1 poolsize entries. * All External table types are associated with a table - * scope. Internal types are not. + * scope. Internal types are not. Currently this is + * a pool of 64B entries. */ TF_TBL_TYPE_EXT, TF_TBL_TYPE_MAX }; +/** Enable Shared TCAM Management + * + * This feature allows for management of high and low pools within + * the WC TCAM. These pools are only valid when this feature is enabled. + * + * For normal OVS-DPDK operation, this feature is not required and can + * be disabled by commenting out TF_TCAM_SHARED in this header file. + * + * Operation: + * + * When a shared session is created with WC TCAM entries allocated during + * tf_open_session(), the TF_TCAM_TBL_TYPE_WC_TCAM pool entries will be divided + * into 2 equal pools - TF_TCAM_TBL_TYPE_WC_TCAM_HIGH and + * TF_TCAM_TBL_TYPE_WC_TCAM_LOW. + * + * The user will allocate and free entries from either of these pools to obtain + * WC_TCAM entry offsets. For the WC_TCAM_HI/LO management, alloc/free is done + * using the tf_alloc_tcam_entry()/tf_free_tcam_entry() APIs for the shared + * session. + * + * The use case for this feature is so that applications can have a shared + * session and use the TF core to allocate/set/free entries within a given + * region of the WC_TCAM within the shared session. Application A only writes + * to the LOW region for example and Application B only writes to the HIGH + * region during normal operation. After Application A goes down, Application + * B may decide to overwrite the LOW region with the HIGH region's entries + * and switch to the low region. + * + * For other TCAM types in the shared session, no alloc/free operations are + * permitted. Only set should be used for other TCAM table types after getting + * the range as provided by the tf_get_resource_info() API. + * + */ +#define TF_TCAM_SHARED 1 + /** * TCAM table type */ enum tf_tcam_tbl_type { /** L2 Context TCAM */ - TF_TCAM_TBL_TYPE_L2_CTXT_TCAM, + TF_TCAM_TBL_TYPE_L2_CTXT_TCAM_HIGH, + /** L2 Context TCAM */ + TF_TCAM_TBL_TYPE_L2_CTXT_TCAM_LOW, /** Profile TCAM */ TF_TCAM_TBL_TYPE_PROF_TCAM, /** Wildcard TCAM */ @@ -281,9 +367,27 @@ enum tf_tcam_tbl_type { TF_TCAM_TBL_TYPE_CT_RULE_TCAM, /** Virtual Edge Bridge TCAM */ TF_TCAM_TBL_TYPE_VEB_TCAM, +#ifdef TF_TCAM_SHARED + /** Wildcard TCAM HI Priority */ + TF_TCAM_TBL_TYPE_WC_TCAM_HIGH, + /** Wildcard TCAM Low Priority */ + TF_TCAM_TBL_TYPE_WC_TCAM_LOW, +#endif /* TF_TCAM_SHARED */ TF_TCAM_TBL_TYPE_MAX }; +/** + * SEARCH STATUS + */ +enum tf_search_status { + /** The entry was not found, but an idx was allocated if requested. */ + MISS, + /** The entry was found, and the result/idx are valid */ + HIT, + /** The entry was not found and the table is full */ + REJECT +}; + /** * EM Resources * These defines are provisioned during @@ -392,6 +496,10 @@ struct tf_session_info { */ struct tf { struct tf_session_info *session; + /** + * the pointer to the parent bp struct + */ + void *bp; }; /** @@ -491,7 +599,8 @@ struct tf_open_session_parms { * rte_eth_dev_get_name_by_port() within the ULP. * * ctrl_chan_name will be used as part of a name for any - * shared memory allocation. + * shared memory allocation. The ctrl_chan_name is usually in format + * 0000:02:00.0. The name for shared session is 0000:02:00.0-tf_shared. */ char ctrl_chan_name[TF_SESSION_NAME_MAX]; /** @@ -550,29 +659,63 @@ struct tf_open_session_parms { * Resource allocation for the session. */ struct tf_session_resources resources; + + /** + * [in] bp + * The pointer to the parent bp struct. This is only used for HWRM + * message passing within the portability layer. The type is struct + * bnxt. + */ + void *bp; + + /** + * [out] shared_session_creator + * + * Indicates whether the application created the session if set. + * Otherwise the shared session already existed. Just for information + * purposes. + */ + int shared_session_creator; }; /** * Opens a new TruFlow Session or session client. * - * What gets created depends on the passed in tfp content. If the tfp - * does not have prior session data a new session with associated - * session client. If tfp has a session already a session client will - * be created. In both cases the session client is created using the - * provided ctrl_chan_name. + * What gets created depends on the passed in tfp content. If the tfp does not + * have prior session data a new session with associated session client. If tfp + * has a session already a session client will be created. In both cases the + * session client is created using the provided ctrl_chan_name. * - * In case of session creation TruFlow will allocate session specific - * memory, shared memory, to hold its session data. This data is - * private to TruFlow. + * In case of session creation TruFlow will allocate session specific memory to + * hold its session data. This data is private to TruFlow. * * No other TruFlow APIs will succeed unless this API is first called * and succeeds. * - * tf_open_session() returns a session id and session client id that - * is used on all other TF APIs. + * tf_open_session() returns a session id and session client id. These are + * also stored within the tfp structure passed in to all other APIs. * * A Session or session client can be closed using tf_close_session(). * + * There are 2 types of sessions - shared and not. For non-shared all + * the allocated resources are owned and managed by a single session instance. + * No other applications have access to the resources owned by the non-shared + * session. For a shared session, resources are shared between 2 applications. + * + * When the caller of tf_open_session() sets the ctrl_chan_name[] to a name + * like "0000:02:00.0-tf_shared", it is a request to create a new "shared" + * session in the firmware or access the existing shared session. There is + * only 1 shared session that can be created. If the shared session has + * already been created in the firmware, this API will return this indication + * by clearing the shared_session_creator flag. Only the first shared session + * create will have the shared_session_creator flag set. + * + * The shared session should always be the first session to be created by + * application and the last session closed due to RM management preference. + * + * Sessions remain open in the firmware until the last client of the session + * closes the session (tf_close_session()). + * * [in] tfp * Pointer to TF handle * @@ -586,6 +729,125 @@ struct tf_open_session_parms { int tf_open_session(struct tf *tfp, struct tf_open_session_parms *parms); +/** + * General internal resource info + * + * TODO: remove tf_rm_new_entry structure and use this structure + * internally. + */ +struct tf_resource_info { + uint16_t start; + uint16_t stride; +}; + +/** + * Identifier resource definition + */ +struct tf_identifier_resource_info { + /** + * Array of TF Identifiers. The index used is tf_identifier_type. + */ + struct tf_resource_info info[TF_IDENT_TYPE_MAX]; +}; + +/** + * Table type resource info definition + */ +struct tf_tbl_resource_info { + /** + * Array of TF Table types. The index used is tf_tbl_type. + */ + struct tf_resource_info info[TF_TBL_TYPE_MAX]; +}; + +/** + * TCAM type resource definition + */ +struct tf_tcam_resource_info { + /** + * Array of TF TCAM types. The index used is tf_tcam_tbl_type. + */ + struct tf_resource_info info[TF_TCAM_TBL_TYPE_MAX]; +}; + +/** + * EM type resource definition + */ +struct tf_em_resource_info { + /** + * Array of TF EM table types. The index used is tf_em_tbl_type. + */ + struct tf_resource_info info[TF_EM_TBL_TYPE_MAX]; +}; + +/** + * tf_session_resources parameter definition. + */ +struct tf_session_resource_info { + /** + * [in] Requested Identifier Resources + * + * Number of identifier resources requested for the + * session. + */ + struct tf_identifier_resource_info ident[TF_DIR_MAX]; + /** + * [in] Requested Index Table resource counts + * + * The number of index table resources requested for the + * session. + */ + struct tf_tbl_resource_info tbl[TF_DIR_MAX]; + /** + * [in] Requested TCAM Table resource counts + * + * The number of TCAM table resources requested for the + * session. + */ + + struct tf_tcam_resource_info tcam[TF_DIR_MAX]; + /** + * [in] Requested EM resource counts + * + * The number of internal EM table resources requested for the + * session. + */ + struct tf_em_resource_info em[TF_DIR_MAX]; +}; + +/** + * tf_get_session_resources parameter definition. + */ +struct tf_get_session_info_parms { + /** + * [out] the structure is used to return the information of + * allocated resources. + * + */ + struct tf_session_resource_info session_info; +}; + +/** (experimental) + * Gets info about a TruFlow Session + * + * Get info about the session which has been created. Whether it exists and + * what resource start and stride offsets are in use. This API is primarily + * intended to be used by an application which has created a shared session + * This application needs to obtain the resources which have already been + * allocated for the shared session. + * + * [in] tfp + * Pointer to TF handle + * + * [in] parms + * Pointer to get parameters + * + * Returns + * - (0) if successful. + * - (-EINVAL) on failure. + */ +int tf_get_session_info(struct tf *tfp, + struct tf_get_session_info_parms *parms); /** * Experimental * @@ -695,9 +957,9 @@ struct tf_alloc_identifier_parms { */ enum tf_identifier_type ident_type; /** - * [out] Identifier allocated + * [out] Allocated identifier */ - uint16_t id; + uint32_t id; }; /** @@ -715,7 +977,38 @@ struct tf_free_identifier_parms { /** * [in] ID to free */ - uint16_t id; + uint32_t id; + /** + * (experimental) + * [out] Current refcnt after free + */ + uint32_t ref_cnt; +}; + +/** + * tf_search_identifier parameter definition (experimental) + */ +struct tf_search_identifier_parms { + /** + * [in] receive or transmit direction + */ + enum tf_dir dir; + /** + * [in] Identifier type + */ + enum tf_identifier_type ident_type; + /** + * [in] Identifier data to search for + */ + uint32_t search_id; + /** + * [out] Set if matching identifier found + */ + bool hit; + /** + * [out] Current ref count after allocation + */ + uint32_t ref_cnt; }; /** @@ -724,6 +1017,9 @@ struct tf_free_identifier_parms { * TruFlow core will allocate a free id from the per identifier resource type * pool reserved for the session during tf_open(). No firmware is involved. * + * If shadow copy is enabled, the internal ref_cnt is set to 1 in the + * shadow table for a newly allocated resource. + * * Returns success or failure code. */ int tf_alloc_identifier(struct tf *tfp, @@ -736,11 +1032,41 @@ int tf_alloc_identifier(struct tf *tfp, * reserved for the session. No firmware is involved. During tf_close, the * complete pool is returned to the firmware. * + * additional operation (experimental) + * Decrement reference count. Only release resource once refcnt goes to 0 if + * shadow copy is enabled. + * * Returns success or failure code. */ int tf_free_identifier(struct tf *tfp, struct tf_free_identifier_parms *parms); +/** + * Search identifier resource (experimental) + * + * If the shadow copy is enabled search_id is used to search for a matching + * entry in the shadow table. The shadow table consists of an array of + * reference counts indexed by identifier. If a matching entry is found hit is + * set to TRUE, refcnt is increased by 1 and returned. Otherwise, hit is + * set to false and refcnt is set to 0. + * + * TODO: we may need a per table internal shadow copy enable flag to stage + * the shadow table implementation. We do not need the shadow table for other + * tables at this time so we may only want to enable the identifier shadow. + * + * TODO: remove this pseudocode below added to show that if search fails + * we shouldn't allocate a new entry but return. + * + * identifier alloc (search_en=1) + * if (ident is allocated and ref_cnt >=1) + * return ident - hit is set, incr refcnt + * else (not found) + * return + * + */ +int tf_search_identifier(struct tf *tfp, + struct tf_search_identifier_parms *parms); + /** * @page dram_table DRAM Table Scope Interface * @@ -755,7 +1081,6 @@ int tf_free_identifier(struct tf *tfp, * Current thought is that memory is allocated within core. */ - /** * tf_alloc_tbl_scope_parms definition */ @@ -816,7 +1141,9 @@ struct tf_alloc_tbl_scope_parms { */ uint32_t tbl_scope_id; }; - +/** + * tf_free_tbl_scope_parms definition + */ struct tf_free_tbl_scope_parms { /** * [in] table scope identifier @@ -824,22 +1151,30 @@ struct tf_free_tbl_scope_parms { uint32_t tbl_scope_id; }; +/** + * tf_map_tbl_scope_parms definition + */ +struct tf_map_tbl_scope_parms { + /** + * [in] table scope identifier + */ + uint32_t tbl_scope_id; + /** + * [in] Which parifs are associated with this table scope. Bit 0 + * indicates parif 0. + */ + uint16_t parif_bitmask; +}; + /** * allocate a table scope * - * On SR2 Firmware will allocate a scope ID. On other devices, the scope - * is a software construct to identify an EEM table. This function will + * The scope is a software construct to identify an EEM table. This function will * divide the hash memory/buckets and records according to the device * device constraints based upon calculations using either the number of flows * requested or the size of memory indicated. Other parameters passed in * determine the configuration (maximum key size, maximum external action record - * size. - * - * This API will allocate the table region in - * DRAM, program the PTU page table entries, and program the number of static - * buckets (if SR2) in the RX and TX CFAs. Buckets are assumed to start at - * 0 in the EM memory for the scope. Upon successful completion of this API, - * hash tables are fully initialized and ready for entries to be inserted. + * size). * * A single API is used to allocate a common table scope identifier in both * receive and transmit CFA. The scope identifier is common due to nature of @@ -862,13 +1197,31 @@ struct tf_free_tbl_scope_parms { int tf_alloc_tbl_scope(struct tf *tfp, struct tf_alloc_tbl_scope_parms *parms); +/** + * map a table scope (legacy device only Wh+/SR) + * + * Map a table scope to one or more partition interfaces (parifs). + * The parif can be remapped in the L2 context lookup for legacy devices. This + * API allows a number of parifs to be mapped to the same table scope. On + * legacy devices a table scope identifies one of 16 sets of EEM table base + * addresses and is associated with a PF communication channel. The associated + * PF must be configured for the table scope to operate. + * + * An L2 context TCAM lookup returns a remapped parif value used to + * index into the set of 16 parif_to_pf registers which are used to map to one + * of the 16 table scopes. This API allows the user to map the parifs in the + * mask to the previously allocated table scope (EEM table). + * Returns success or failure code. + */ +int tf_map_tbl_scope(struct tf *tfp, + struct tf_map_tbl_scope_parms *parms); /** * free a table scope * * Firmware checks that the table scope ID is owned by the TruFlow * session, verifies that no references to this table scope remains - * (SR2 ILT) or Profile TCAM entries for either CFA (RX/TX) direction, + * or Profile TCAM entries for either CFA (RX/TX) direction, * then frees the table scope ID. * * Returns success or failure code. @@ -879,6 +1232,8 @@ int tf_free_tbl_scope(struct tf *tfp, /** * @page tcam TCAM Access * + * @ref tf_search_tcam_entry + * * @ref tf_alloc_tcam_entry * * @ref tf_set_tcam_entry @@ -886,8 +1241,99 @@ int tf_free_tbl_scope(struct tf *tfp, * @ref tf_get_tcam_entry * * @ref tf_free_tcam_entry + * +#ifdef TF_TCAM_SHARED + * @ref tf_move_tcam_shared_entries +#endif + */ + +/** + * tf_search_tcam_entry parameter definition (experimental) */ +struct tf_search_tcam_entry_parms { + /** + * [in] receive or transmit direction + */ + enum tf_dir dir; + /** + * [in] TCAM table type + */ + enum tf_tcam_tbl_type tcam_tbl_type; + /** + * [in] Key data to match on + */ + uint8_t *key; + /** + * [in] key size in bits + */ + uint16_t key_sz_in_bits; + /** + * [in] Mask data to match on + */ + uint8_t *mask; + /** + * [in] Priority of entry requested (definition TBD) + */ + uint32_t priority; + /** + * [in] Allocate on miss. + */ + uint8_t alloc; + /** + * [out] Set if matching entry found + */ + uint8_t hit; + /** + * [out] Search result status (hit, miss, reject) + */ + enum tf_search_status search_status; + /** + * [out] Current refcnt after allocation + */ + uint16_t ref_cnt; + /** + * [in out] The result data from the search is copied here + */ + uint8_t *result; + /** + * [in out] result size in bits for the result data + */ + uint16_t result_sz_in_bits; + /** + * [out] Index found + */ + uint16_t idx; +}; +/** + * search TCAM entry (experimental) + * + * Search for a TCAM entry + * + * This function searches the shadow copy of the TCAM table for a matching + * entry. Key and mask must match for hit to be set. Only TruFlow core data + * is accessed. If shadow_copy is not enabled, an error is returned. + * + * Implementation: + * + * A hash is performed on the key/mask data and mapped to a shadow copy entry + * where the full key/mask is populated. If the full key/mask matches the + * entry, hit is set, ref_cnt is incremented, and search_status indicates what + * action the caller can take regarding setting the entry. + * + * search_status should be used as follows: + * - On Miss, the caller should create a result and call tf_set_tcam_entry with + * returned index. + * + * - On Reject, the hash table is full and the entry cannot be added. + * + * - On Hit, the result data is returned to the caller. Additionally, the + * ref_cnt is updated. + * + * Also returns success or failure code. + */ +int tf_search_tcam_entry(struct tf *tfp, + struct tf_search_tcam_entry_parms *parms); /** * tf_alloc_tcam_entry parameter definition @@ -1037,7 +1483,7 @@ struct tf_get_tcam_entry_parms { */ uint8_t *mask; /** - * [out] key size in bits + * [in/out] key size in bits */ uint16_t key_sz_in_bits; /** @@ -1045,7 +1491,7 @@ struct tf_get_tcam_entry_parms { */ uint8_t *result; /** - * [out] struct containing result size in bits + * [in/out] struct containing result size in bits */ uint16_t result_sz_in_bits; }; @@ -1100,6 +1546,41 @@ struct tf_free_tcam_entry_parms { int tf_free_tcam_entry(struct tf *tfp, struct tf_free_tcam_entry_parms *parms); +#ifdef TF_TCAM_SHARED +/** + * tf_move_tcam_shared_entries parameter definition + */ +struct tf_move_tcam_shared_entries_parms { + /** + * [in] receive or transmit direction + */ + enum tf_dir dir; + /** + * [in] TCAM table type + */ + enum tf_tcam_tbl_type tcam_tbl_type; +}; + +/** + * Move TCAM entries + * + * This API only affects the following TCAM pools within a shared session: + * + * TF_TCAM_TBL_TYPE_WC_TCAM_HIGH + * TF_TCAM_TBL_TYPE_WC_TCAM_LOW + * + * When called, all allocated entries from the high pool will be moved to + * the low pool. Then the allocated entries in the high pool will be + * cleared and freed. + * + * This API is not supported on a non-shared session. + * + * Returns success or failure code. + */ +int tf_move_tcam_shared_entries(struct tf *tfp, + struct tf_move_tcam_shared_entries_parms *parms); + +#endif /* TF_TCAM_SHARED */ /** * @page table Table Access * @@ -1112,7 +1593,82 @@ int tf_free_tcam_entry(struct tf *tfp, * @ref tf_get_tbl_entry * * @ref tf_bulk_get_tbl_entry + * + * @ref tf_get_shared_tbl_increment + */ + +/** + * tf_alloc_tbl_entry parameter definition + */ +struct tf_search_tbl_entry_parms { + /** + * [in] Receive or transmit direction + */ + enum tf_dir dir; + /** + * [in] Type of the allocation + */ + enum tf_tbl_type type; + /** + * [in] Table scope identifier (ignored unless TF_TBL_TYPE_EXT) + */ + uint32_t tbl_scope_id; + /** + * [in] Result data to search for + */ + uint8_t *result; + /** + * [in] Result data size in bytes + */ + uint16_t result_sz_in_bytes; + /** + * [in] Allocate on miss. + */ + uint8_t alloc; + /** + * [out] Set if matching entry found + */ + uint8_t hit; + /** + * [out] Search result status (hit, miss, reject) + */ + enum tf_search_status search_status; + /** + * [out] Current ref count after allocation + */ + uint16_t ref_cnt; + /** + * [out] Idx of allocated entry or found entry + */ + uint32_t idx; +}; + +/** + * search Table Entry (experimental) + * + * This function searches the shadow copy of an index table for a matching + * entry. The result data must match for hit to be set. Only TruFlow core + * data is accessed. If shadow_copy is not enabled, an error is returned. + * + * Implementation: + * + * A hash is performed on the result data and mappe3d to a shadow copy entry + * where the result is populated. If the result matches the entry, hit is set, + * ref_cnt is incremented (if alloc), and the search status indicates what + * action the caller can take regarding setting the entry. + * + * search status should be used as follows: + * - On MISS, the caller should set the result into the returned index. + * + * - On REJECT, the caller should reject the flow since there are no resources. + * + * - On Hit, the matching index is returned to the caller. Additionally, the + * ref_cnt is updated. + * + * Also returns success or failure code. */ +int tf_search_tbl_entry(struct tf *tfp, + struct tf_search_tbl_entry_parms *parms); /** * tf_alloc_tbl_entry parameter definition @@ -1267,6 +1823,10 @@ struct tf_set_tbl_entry_parms { * [in] Entry size */ uint16_t data_sz_in_bytes; + /** + * [in] External memory channel type to use + */ + enum tf_ext_mem_chan_type chan_type; /** * [in] Entry index to write to */ @@ -1285,6 +1845,37 @@ struct tf_set_tbl_entry_parms { int tf_set_tbl_entry(struct tf *tfp, struct tf_set_tbl_entry_parms *parms); +/** + * tf_get_shared_tbl_increment parameter definition + */ +struct tf_get_shared_tbl_increment_parms { + /** + * [in] Receive or transmit direction + */ + enum tf_dir dir; + /** + * [in] Type of object to set + */ + enum tf_tbl_type type; + /** + * [out] Value to increment by for resource type + */ + uint32_t increment_cnt; +}; + +/** + * tf_get_shared_tbl_increment + * + * This API is currently only required for use in the shared + * session for Thor (p58) actions. An increment count is returned per + * type to indicate how much to increment the start by for each + * entry (see tf_resource_info) + * + * Returns success or failure code. + */ +int tf_get_shared_tbl_increment(struct tf *tfp, + struct tf_get_shared_tbl_increment_parms *parms); + /** * tf_get_tbl_entry parameter definition */ @@ -1305,6 +1896,10 @@ struct tf_get_tbl_entry_parms { * [in] Entry size */ uint16_t data_sz_in_bytes; + /** + * [in] External memory channel type to use + */ + enum tf_ext_mem_chan_type chan_type; /** * [in] Entry index to read */ @@ -1357,15 +1952,21 @@ struct tf_bulk_get_tbl_entry_parms { * structure for the physical address. */ uint64_t physical_mem_addr; + /** + * [in] External memory channel type to use + */ + enum tf_ext_mem_chan_type chan_type; }; /** * Bulk get index table entry * - * Used to retrieve a previous set index table entry. + * Used to retrieve a set of index table entries. * - * Reads and compares with the shadow table copy (if enabled) (only - * for internal objects). + * Entries within the range may not have been allocated using + * tf_alloc_tbl_entry() at the time of access. But the range must + * be within the bounds determined from tf_open_session() for the + * given table type. Currently, this is only used for collecting statistics. * * Returns success or failure code. Failure will be returned if the * provided data buffer is too small for the data type requested. @@ -1399,10 +2000,6 @@ struct tf_insert_em_entry_parms { * [in] ID of table scope to use (external only) */ uint32_t tbl_scope_id; - /** - * [in] ID of table interface to use (SR2 only) - */ - uint32_t tbl_if_id; /** * [in] ptr to structure containing key fields */ @@ -1423,6 +2020,10 @@ struct tf_insert_em_entry_parms { * [in] duplicate check flag */ uint8_t dup_check; + /** + * [in] External memory channel type to use + */ + enum tf_ext_mem_chan_type chan_type; /** * [out] Flow handle value for the inserted entry. This is encoded * as the entries[4]:bucket[2]:hashId[1]:hash[14] @@ -1439,6 +2040,35 @@ struct tf_insert_em_entry_parms { * tf_delete_em_entry parameter definition */ struct tf_delete_em_entry_parms { + /** + * [in] receive or transmit direction + */ + enum tf_dir dir; + /** + * [in] internal or external + */ + enum tf_mem mem; + /** + * [in] ID of table scope to use (external only) + */ + uint32_t tbl_scope_id; + /** + * [out] The index of the entry + */ + uint16_t index; + /** + * [in] External memory channel type to use + */ + enum tf_ext_mem_chan_type chan_type; + /** + * [in] structure containing flow delete handle information + */ + uint64_t flow_handle; +}; +/** + * tf_move_em_entry parameter definition + */ +struct tf_move_em_entry_parms { /** * [in] receive or transmit direction */ @@ -1464,6 +2094,14 @@ struct tf_delete_em_entry_parms { * [out] The index of the entry */ uint16_t index; + /** + * [in] External memory channel type to use + */ + enum tf_ext_mem_chan_type chan_type; + /** + * [in] The index of the new EM record + */ + uint32_t new_index; /** * [in] structure containing flow delete handle information */ @@ -1485,10 +2123,6 @@ struct tf_search_em_entry_parms { * [in] ID of table scope to use (external only) */ uint32_t tbl_scope_id; - /** - * [in] ID of table interface to use (SR2 only) - */ - uint32_t tbl_if_id; /** * [in] ptr to structure containing key fields */ @@ -1506,10 +2140,9 @@ struct tf_search_em_entry_parms { */ uint16_t em_record_sz_in_bits; /** - * [in] epoch group IDs of entry to lookup - * 2 element array with 2 ids. (SR2 only) + * [in] External memory channel type to use */ - uint16_t *epochs; + enum tf_ext_mem_chan_type chan_type; /** * [in] ptr to structure containing flow delete handle */ @@ -1534,9 +2167,6 @@ struct tf_search_em_entry_parms { * This API inserts an exact match entry into DRAM EM table memory of the * specified direction and table scope. * - * When inserting an entry into an exact match table, the TruFlow library may - * need to allocate a dynamic bucket for the entry (SR2 only). - * * The insertion of duplicate entries in an EM table is not permitted. If a * TruFlow application can guarantee that it will never insert duplicates, it * can disable duplicate checking by passing a zero value in the dup_check @@ -1637,6 +2267,7 @@ enum tf_tunnel_encap_offsets { enum tf_global_config_type { TF_TUNNEL_ENCAP, /**< Tunnel Encap Config(TECT) */ TF_ACTION_BLOCK, /**< Action Block Config(ABCR) */ + TF_COUNTER_CFG, /**< Counter Configuration (CNTRS_CTRL) */ TF_GLOBAL_CFG_TYPE_MAX }; @@ -1662,6 +2293,12 @@ struct tf_global_cfg_parms { * get - Read the full configuration */ uint8_t *config; + /** + * [in] Configuration mask + * set - Read, Modify with mask and Write + * get - unused + */ + uint8_t *config_mask; /** * [in] struct containing size */ @@ -1709,10 +2346,10 @@ enum tf_if_tbl_type { TF_IF_TBL_TYPE_PROF_PARIF_ERR_ACT_REC_PTR, /** Default Error Profile TCAM Miss Action Record Pointer Table */ TF_IF_TBL_TYPE_LKUP_PARIF_DFLT_ACT_REC_PTR, - /** SR2 Ingress lookup table */ + /** Ingress lookup table */ TF_IF_TBL_TYPE_ILT, - /** SR2 VNIC/SVIF Table */ - TF_IF_TBL_TYPE_VNIC_SVIF, + /** VNIC/SVIF Properties Table */ + TF_IF_TBL_TYPE_VSPT, TF_IF_TBL_TYPE_MAX }; @@ -1731,7 +2368,7 @@ struct tf_set_if_tbl_entry_parms { /** * [in] Entry data */ - uint32_t *data; + uint8_t *data; /** * [in] Entry size */ @@ -1768,7 +2405,7 @@ struct tf_get_if_tbl_entry_parms { /** * [out] Entry data */ - uint32_t *data; + uint8_t *data; /** * [in] Entry size */