104 lines
4.7 KiB
C
104 lines
4.7 KiB
C
/*
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* Copyright 2017 Cisco Systems, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _NFAPI_H_
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#define _NFAPI_H_
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#if defined(__cplusplus)
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extern "C" {
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#endif
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// todo : move to public_inc so can be used by vendor extensions
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#define MAX_BAD_TAG 3
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int nfapitooai_level(int nfapilevel);
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uint8_t push8(uint8_t in, uint8_t **out, uint8_t *end);
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uint8_t pushs8(int8_t in, uint8_t **out, uint8_t *end);
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uint8_t push16(uint16_t in, uint8_t **out, uint8_t *end);
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uint8_t pushs16(int16_t in, uint8_t **out, uint8_t *end);
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uint8_t push32(uint32_t in, uint8_t **out, uint8_t *end);
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uint8_t pushs32(int32_t in, uint8_t **out, uint8_t *end);
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uint8_t pull8(uint8_t **in, uint8_t *out, uint8_t *end);
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uint8_t pulls8(uint8_t **in, int8_t *out, uint8_t *end);
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uint8_t pull16(uint8_t **in, uint16_t *out, uint8_t *end);
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uint8_t pulls16(uint8_t **in, int16_t *out, uint8_t *end);
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uint8_t pull32(uint8_t **in, uint32_t *out, uint8_t *end);
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uint8_t pulls32(uint8_t **in, int32_t *out, uint8_t *end);
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uint32_t pullarray8(uint8_t **in, uint8_t out[], uint32_t max_len, uint32_t len, uint8_t *end);
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uint32_t pullarray16(uint8_t **in, uint16_t out[], uint32_t max_len, uint32_t len, uint8_t *end);
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uint32_t pullarrays16(uint8_t **in, int16_t out[], uint32_t max_len, uint32_t len, uint8_t *end);
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uint32_t pullarray32(uint8_t **values_to_pull,
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uint32_t out[],
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uint32_t max_num_values_to_pull,
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uint32_t num_values_to_pull,
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uint8_t *out_end);
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uint32_t pullarrays32(uint8_t **in, int32_t out[], uint32_t max_len, uint32_t len, uint8_t *end);
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uint32_t pusharray8(uint8_t in[], uint32_t max_len, uint32_t len, uint8_t **out, uint8_t *end);
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uint32_t pusharray16(uint16_t in[], uint32_t max_len, uint32_t len, uint8_t **out, uint8_t *end);
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uint32_t pusharrays16(int16_t in[], uint32_t max_len, uint32_t len, uint8_t **out, uint8_t *end);
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uint32_t pusharray32(const uint32_t *values_to_push,
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uint32_t max_num_values_to_push,
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uint32_t num_values_to_push,
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uint8_t **out,
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uint8_t *out_end);
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uint32_t pusharrays32(int32_t in[], uint32_t max_len, uint32_t len, uint8_t **out, uint8_t *end);
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typedef uint8_t (*pack_array_elem_fn)(void* elem, uint8_t **ppWritePackedMsg, uint8_t *end);
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uint8_t packarray(void* array, uint16_t elem_size, uint16_t max_count, uint16_t count, uint8_t **ppWritePackedMsg, uint8_t *end, pack_array_elem_fn fn);
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typedef uint8_t (*unpack_array_elem_fn)(void* elem, uint8_t **ppReadPackedMsg, uint8_t *end);
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uint8_t unpackarray(uint8_t **ppReadPackedMsg, void* array, uint16_t elem_size, uint16_t max_count, uint16_t count, uint8_t *end, unpack_array_elem_fn fn);
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uint8_t pack_tl(nfapi_tl_t *tl, uint8_t **ppWritePackedMsg, uint8_t *end);
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uint8_t unpack_tl(uint8_t **ppReadPackedMsg, nfapi_tl_t *tl, uint8_t *end);
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typedef uint8_t (*pack_tlv_fn)(void* tlv, uint8_t **ppWritePackedMsg, uint8_t *end);
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uint8_t pack_tlv(uint16_t tag, void *tlv, uint8_t **ppWritePackedMsg, uint8_t *end, pack_tlv_fn fn);
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uint32_t pack_vendor_extension_tlv(nfapi_tl_t* ve, uint8_t **ppWritePackedMsg, uint8_t *end, nfapi_p4_p5_codec_config_t* config);
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int unpack_vendor_extension(nfapi_tl_t* tl, uint8_t **ppReadPackedMsg, uint8_t *end, nfapi_p4_p5_codec_config_t* config, nfapi_tl_t** ve_tlv);
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typedef uint8_t (*unpack_tlv_fn)(void* tlv, uint8_t **ppWritePackedMsg, uint8_t *end);
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typedef struct
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{
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uint16_t tag;
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void* tlv;
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unpack_tlv_fn unpack_func;
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} unpack_tlv_t;
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int unpack_tlv_list(unpack_tlv_t unpack_fns[], uint16_t size, uint8_t **ppReadPackedMsg, uint8_t* packedMsgEnd, nfapi_p4_p5_codec_config_t* config, nfapi_tl_t** ve);
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uint32_t pack_p7_vendor_extension_tlv(nfapi_tl_t *ve, uint8_t **ppWritePackedMsg, uint8_t *end, nfapi_p7_codec_config_t* config);
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typedef uint8_t (*unpack_p7_tlv_fn)(void* tlv, uint8_t **ppWritePackedMsg, uint8_t *end, nfapi_p7_codec_config_t*);
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typedef struct
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{
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uint16_t tag;
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void* tlv;
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unpack_p7_tlv_fn unpack_func;
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} unpack_p7_tlv_t;
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int unpack_p7_tlv_list(unpack_p7_tlv_t unpack_fns[], uint16_t size, uint8_t **ppReadPackedMsg, uint8_t* packedMsgEnd, nfapi_p7_codec_config_t* config, nfapi_tl_t** ve);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* _NFAPI_H_ */
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