/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. 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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef H_UTIL_MEM_
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#define H_UTIL_MEM_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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struct os_mempool;
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struct os_mbuf_pool;
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int mem_malloc_mempool(struct os_mempool *mempool, uint16_t num_blocks,
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uint32_t block_size, char *name, void **out_buf);
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int mem_malloc_mempool_ext(struct os_mempool_ext *mempool, uint16_t num_blocks,
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uint32_t block_size, char *name, void **out_buf);
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int mem_malloc_mbuf_pool(struct os_mempool *mempool,
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struct os_mbuf_pool *mbuf_pool, uint16_t num_blocks,
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uint32_t block_size, char *name,
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void **out_buf);
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int mem_malloc_mbufpkt_pool(struct os_mempool *mempool,
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struct os_mbuf_pool *mbuf_pool, int num_blocks,
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int block_size, char *name,
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void **out_buf);
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int mem_init_mbuf_pool(void *mem, struct os_mempool *mempool,
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struct os_mbuf_pool *mbuf_pool, int num_blocks,
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int block_size, char *name);
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/**
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* Specifies a function used as a callback. Functions of this type allocate an
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* mbuf chain meant to hold a packet fragment. The resulting mbuf must contain
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* a pkthdr.
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*
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* @param frag_size The number of data bytes that the mbuf will
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* eventually contain.
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* @param arg A generic parameter.
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*
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* @return An allocated mbuf chain on success;
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* NULL on failure.
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*/
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typedef struct os_mbuf *mem_frag_alloc_fn(uint16_t frag_size, void *arg);
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struct os_mbuf *mem_split_frag(struct os_mbuf **om, uint16_t max_frag_sz,
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mem_frag_alloc_fn *alloc_cb, void *cb_arg);
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void *mem_pullup_obj(struct os_mbuf **om, uint16_t len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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