Wiesner András
05288d7a3c
- IGMPv2 capabilities added (report membership, leave group) - ICMP capabilities added (ping) - Tx Message Queue added
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
#ifndef ETHERLIB_TEST_MSG_QUEUE_H
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#define ETHERLIB_TEST_MSG_QUEUE_H
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#include <stdint.h>
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#include "packet.h"
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typedef struct {
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uint32_t writeIdx; ///< Next block to write
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uint32_t readIdx; ///< Next block to read
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uint32_t size; ///< Size of circular buffer
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RawPckt pckts[]; ///< Array of packets
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} MsgQueue;
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/**
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* Create Message Queue.
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* @param size size of circular buffer
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* @return pointer to MQ instance OR NULL on failure
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*/
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MsgQueue * mq_create(uint32_t size);
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/**
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* Clear circular buffer.
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* @param mq pointer to Message Queue
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*/
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void mq_clear(MsgQueue * mq);
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/**
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* Get number of available elements.
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* @param mq pointer to Message Queue
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* @return number of available elements
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*/
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uint32_t mq_avail(const MsgQueue * mq);
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/**
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* Push element to the Message Queue.
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* @param mq pointer to MQ
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* @param raw pointer to raw packet
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* @return true on success, false on failure (e.g.: queue full)
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*/
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bool mq_push(MsgQueue * mq, const RawPckt * raw);
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/**
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* Get top element.
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* @param mq pointer to MQ
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* @return top element (COPY, NOT POINTER!)
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*/
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RawPckt mq_top(MsgQueue * mq);
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/**
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* Pop top element.
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* @param mq pointer to MQ
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*/
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void mq_pop(MsgQueue * mq);
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#endif //ETHERLIB_TEST_MSG_QUEUE_H
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