netdev.h

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#ifndef __NET__NETDEV_H__
#define __NET__NETDEV_H__
 
#include <type.h>
#include "net/netbuff.h"
#define NETDEV_NAME_MAX_LEN 64
 
#include <type.h>
#include <ioforge/ioforge_nic.h>
 
typedef enum {
    NETDEV_TYPE_ETHERNET = 0, // Hardware fisik (E1000, RTL8139, dll)
    NETDEV_TYPE_LOOPBACK,     // Virtual localhost (127.0.0.1)
    NETDEV_TYPE_BRIDGE,     // Virtual switch
    NETDEV_TYPE_TUN,   // Layer 3 Tunnel
    NETDEV_TYPE_TAP        // Layer 2 Tunnel
} netdev_type_t;
 
typedef struct netdev netdev_t;
struct netdev_ops {
    int (*init)(struct netdev* dev);
    int (*open)(struct netdev* dev);
    int (*stop)(struct netdev* dev);
    int (*transmit)(struct netdev* dev, uint8_t* packet, uint16_t len);
    int (*set_mac)(struct netdev* dev, const uint8_t* new_mac);
    void (*bind_nic)(struct netdev* dev, struct ioforge_nic_service* nic);
    void (*unbind_nic)(struct netdev* dev);
};
 
struct netdev {
    uint64_t hash;
    boolean_t is_up;
    netdev_type_t type;
    char name[NETDEV_NAME_MAX_LEN];
    uint8_t mac[NIC_MAC_LEN];
    uint16_t mtu;
 
    struct ioforge_nic_service* nic;
    struct netdev_ops* ops;
 
    uint16_t ip_id_counter;
    // for hash map colision handling
    void* next;
};
 
int create_netdev(char* name, netdev_type_t type);
netdev_t* lookup_netdev(char* name);
uint16_t get_next_ip_id(netdev_t* dev);
#endif // __NET__NETDEV_H__