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drivers/net/ntnic/include/flow_api.h
232 строки
9 KB
Thomas Monjalon
move SPDX tag on first line
06 ноя 2025, 00:31
06 ноя 2025, 00:31
2d21277
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/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2023 Napatech A/S */ #ifndef _FLOW_API_H_ #define _FLOW_API_H_ #include <rte_spinlock.h> #include "ntlog.h" #include "flow_api_engine.h" #include "hw_mod_backend.h" #include "stream_binary_flow_api.h" /* * Flow NIC and Eth port device management */ struct hw_mod_resource_s { uint8_t *alloc_bm; /* allocation bitmap */ uint32_t *ref; /* reference counter for each resource element */ uint32_t resource_count;/* number of total available entries */ }; /* * Device Management API */ /** * A structure used to configure the Receive Side Scaling (RSS) feature * of an Ethernet port. */ struct nt_eth_rss_conf { /** * In rte_eth_dev_rss_hash_conf_get(), the *rss_key_len* should be * greater than or equal to the *hash_key_size* which get from * rte_eth_dev_info_get() API. And the *rss_key* should contain at least * *hash_key_size* bytes. If not meet these requirements, the query * result is unreliable even if the operation returns success. * * In rte_eth_dev_rss_hash_update() or rte_eth_dev_configure(), if * *rss_key* is not NULL, the *rss_key_len* indicates the length of the * *rss_key* in bytes and it should be equal to *hash_key_size*. * If *rss_key* is NULL, drivers are free to use a random or a default key. */ uint8_t rss_key[MAX_RSS_KEY_LEN]; /** * Indicates the type of packets or the specific part of packets to * which RSS hashing is to be applied. */ uint64_t rss_hf; /** * Hash algorithm. */ enum rte_eth_hash_function algorithm; }; int nthw_sprint_rss_mask(char *str, uint16_t str_len, const char *prefix, uint64_t hash_mask); struct flow_eth_dev { /* NIC that owns this port device */ struct flow_nic_dev *ndev; /* NIC port id */ uint8_t port; /* App assigned port_id - may be DPDK port_id */ uint32_t port_id; /* 0th for exception */ struct flow_queue_id_s rx_queue[FLOW_MAX_QUEUES + 1]; /* VSWITCH has exceptions sent on queue 0 per design */ int num_queues; /* QSL_HSH index if RSS needed QSL v6+ */ int rss_target_id; /* The size of buffer for aged out flow list */ uint32_t nb_aging_objects; struct flow_eth_dev *next; }; /* registered NIC backends */ struct flow_nic_dev { uint8_t adapter_no; /* physical adapter no in the host system */ uint16_t ports; /* number of in-ports addressable on this NIC */ /* flow profile this NIC is initially prepared for */ enum flow_eth_dev_profile flow_profile; int flow_mgnt_prepared; struct hw_mod_resource_s res[RES_COUNT];/* raw NIC resource allocation table */ void *km_res_handle; void *kcc_res_handle; void *flm_mtr_handle; void *group_handle; void *hw_db_handle; void *id_table_handle; uint32_t flow_unique_id_counter; /* linked list of all flows created on this NIC */ struct flow_handle *flow_base; /* linked list of all FLM flows created on this NIC */ struct flow_handle *flow_base_flm; rte_spinlock_t flow_mtx; /* NIC backend API */ struct flow_api_backend_s be; /* linked list of created eth-port devices on this NIC */ struct flow_eth_dev *eth_base; rte_spinlock_t mtx; /* RSS hashing configuration */ struct nt_eth_rss_conf rss_conf; /* next NIC linked list */ struct flow_nic_dev *next; }; enum flow_nic_err_msg_e { ERR_SUCCESS = 0, ERR_FAILED = 1, ERR_MEMORY = 2, ERR_OUTPUT_TOO_MANY = 3, ERR_RSS_TOO_MANY_QUEUES = 4, ERR_VLAN_TYPE_NOT_SUPPORTED = 5, ERR_VXLAN_HEADER_NOT_ACCEPTED = 6, ERR_VXLAN_POP_INVALID_RECIRC_PORT = 7, ERR_VXLAN_POP_FAILED_CREATING_VTEP = 8, ERR_MATCH_VLAN_TOO_MANY = 9, ERR_MATCH_INVALID_IPV6_HDR = 10, ERR_MATCH_TOO_MANY_TUNNEL_PORTS = 11, ERR_MATCH_INVALID_OR_UNSUPPORTED_ELEM = 12, ERR_MATCH_FAILED_BY_HW_LIMITS = 13, ERR_MATCH_RESOURCE_EXHAUSTION = 14, ERR_MATCH_FAILED_TOO_COMPLEX = 15, ERR_ACTION_REPLICATION_FAILED = 16, ERR_ACTION_OUTPUT_RESOURCE_EXHAUSTION = 17, ERR_ACTION_TUNNEL_HEADER_PUSH_OUTPUT_LIMIT = 18, ERR_ACTION_INLINE_MOD_RESOURCE_EXHAUSTION = 19, ERR_ACTION_RETRANSMIT_RESOURCE_EXHAUSTION = 20, ERR_ACTION_FLOW_COUNTER_EXHAUSTION = 21, ERR_ACTION_INTERNAL_RESOURCE_EXHAUSTION = 22, ERR_INTERNAL_QSL_COMPARE_FAILED = 23, ERR_INTERNAL_CAT_FUNC_REUSE_FAILED = 24, ERR_MATCH_ENTROPHY_FAILED = 25, ERR_MATCH_CAM_EXHAUSTED = 26, ERR_INTERNAL_VIRTUAL_PORT_CREATION_FAILED = 27, ERR_ACTION_UNSUPPORTED = 28, ERR_REMOVE_FLOW_FAILED = 29, ERR_ACTION_NO_OUTPUT_DEFINED_USE_DEFAULT = 30, ERR_ACTION_NO_OUTPUT_QUEUE_FOUND = 31, ERR_MATCH_UNSUPPORTED_ETHER_TYPE = 32, ERR_OUTPUT_INVALID = 33, ERR_MATCH_PARTIAL_OFFLOAD_NOT_SUPPORTED = 34, ERR_MATCH_CAT_CAM_EXHAUSTED = 35, ERR_MATCH_KCC_KEY_CLASH = 36, ERR_MATCH_CAT_CAM_FAILED = 37, ERR_PARTIAL_FLOW_MARK_TOO_BIG = 38, ERR_FLOW_PRIORITY_VALUE_INVALID = 39, ERR_ACTION_MULTIPLE_PORT_ID_UNSUPPORTED = 40, ERR_RSS_TOO_LONG_KEY = 41, ERR_ACTION_AGE_UNSUPPORTED_GROUP_0 = 42, ERR_MSG_NO_MSG = 43, ERR_MSG_END }; void nthw_flow_nic_set_error(enum flow_nic_err_msg_e msg, struct rte_flow_error *error); /* * Resources */ extern const char *nthw_dbg_res_descr[]; #define flow_nic_set_bit(arr, x) \ do { \ uint8_t *_temp_arr = (arr); \ size_t _temp_x = (x); \ _temp_arr[_temp_x / 8] = \ (uint8_t)(_temp_arr[_temp_x / 8] | (uint8_t)(1 << (_temp_x % 8))); \ } while (0) #define flow_nic_unset_bit(arr, x) \ do { \ size_t _temp_x = (x); \ arr[_temp_x / 8] &= (uint8_t)(~(1 << (_temp_x % 8))); \ } while (0) #define flow_nic_is_bit_set(arr, x) \ ({ \ size_t _temp_x = (x); \ (arr[_temp_x / 8] & (uint8_t)(1 << (_temp_x % 8))); \ }) #define flow_nic_mark_resource_used(_ndev, res_type, index) \ do { \ struct flow_nic_dev *_temp_ndev = (_ndev); \ typeof(res_type) _temp_res_type = (res_type); \ size_t _temp_index = (index); \ NT_LOG(DBG, FILTER, "mark resource used: %s idx %zu", \ nthw_dbg_res_descr[_temp_res_type], _temp_index); \ RTE_ASSERT(flow_nic_is_bit_set(_temp_ndev->res[_temp_res_type].alloc_bm, \ _temp_index) == 0); \ flow_nic_set_bit(_temp_ndev->res[_temp_res_type].alloc_bm, _temp_index); \ } while (0) #define flow_nic_mark_resource_unused(_ndev, res_type, index) \ do { \ typeof(res_type) _temp_res_type = (res_type); \ size_t _temp_index = (index); \ NT_LOG(DBG, FILTER, "mark resource unused: %s idx %zu", \ nthw_dbg_res_descr[_temp_res_type], _temp_index); \ flow_nic_unset_bit((_ndev)->res[_temp_res_type].alloc_bm, _temp_index); \ } while (0) #define flow_nic_is_resource_used(_ndev, res_type, index) \ (!!flow_nic_is_bit_set((_ndev)->res[res_type].alloc_bm, index)) int nthw_flow_nic_alloc_resource(struct flow_nic_dev *ndev, enum res_type_e res_type, uint32_t alignment); int nthw_flow_nic_alloc_resource_config(struct flow_nic_dev *ndev, enum res_type_e res_type, unsigned int num, uint32_t alignment); void nthw_flow_nic_free_resource(struct flow_nic_dev *ndev, enum res_type_e res_type, int idx); int nthw_flow_nic_ref_resource(struct flow_nic_dev *ndev, enum res_type_e res_type, int index); int nthw_flow_nic_deref_resource(struct flow_nic_dev *ndev, enum res_type_e res_type, int index); int nthw_flow_get_flm_stats(struct flow_nic_dev *ndev, uint64_t *data, uint64_t size); int nthw_flow_get_ifr_stats(struct flow_nic_dev *ndev, uint64_t *data, uint8_t port_count); #endif