EtherLib/global_state.h

59 lines
1.4 KiB
C

#ifndef ETHERLIB_GLOBAL_STATE_H
#define ETHERLIB_GLOBAL_STATE_H
#include "memory_pool.h"
#include "packet_registry.h"
#include "packet_sieve.h"
#include "eth_interface.h"
#include "timer.h"
#include "cbd_table.h"
/**
* Global EtherLib state.
*/
typedef struct {
MP * mp; ///< Memory pool for dynamic allocations
Timer * tmr; ///< Timer for internal schedule.
PcktRegistry * pcktReg; ///< Packet registry
EthInterface * ethIntf; ///< Array of Ethernet interfaces
CbdTable * cbdt; ///< Connection block descriptor table
bool initialized; ///< Indicates if EtherLib is initialized
} EthState;
extern EthState gEthState;
#define E (gEthState)
/**
* Initialize EthLib.
*/
void ethlib_init();
void process_raw_packet(const uint8_t * data, uint32_t size);
/**
* Close an existing connection (UDP, TCP etc.)
* @param d connection block descriptor
*/
void close_connection(cbd d);
/**
* Get default Ethernet interface
* @return pointer to default Ethernet interface
*/
EthInterface * get_default_interface();
/**
* Get interface by address.
* @param addr IP address of a specific interface
* @return pointer to interface OR NULL if not found
*/
EthInterface * get_interface_by_address(ip4_addr addr);
/**
* Query if EtherLib was initialized.
* @return EtherLib was initialized
*/
bool is_etherlib_initialized();
#endif //ETHERLIB_GLOBAL_STATE_H