Simple-Router/sr_if.h at master · Patchett/Simple-Router · GitHub

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/*-----------------------------------------------------------------------------
 * file:  sr_if.h
 * date:  Sun Oct 06 14:13:13 PDT 2002
 * Contact: casado@stanford.edu
 *
 * Description:
 *
 * Data structures and methods for handeling interfaces
 *
 *---------------------------------------------------------------------------*/

#ifndef sr_INTERFACE_H
#define sr_INTERFACE_H

#ifdef _LINUX_
    #include <stdint.h>
#endif /* _LINUX_ */

#ifdef _SOLARIS_
    #include </usr/include/sys/int_types.h>
#endif /* SOLARIS */

#ifdef _DARWIN_
    #include <inttypes.h>
#endif

#include "sr_protocol.h"

struct sr_instance;

/* ----------------------------------------------------------------------------
 * struct sr_if
 *
 * Node in the interface list for each router
 *
 * -------------------------------------------------------------------------- */

struct sr_if {
    char name[sr_IFACE_NAMELEN];
    unsigned char addr[ETHER_ADDR_LEN];
    uint32_t ip;
    uint32_t speed;
    struct sr_if *next;
};

struct sr_if *sr_get_interface(struct sr_instance *sr, const char *name);
void sr_add_interface(struct sr_instance *, const char *);
void sr_set_ether_addr(struct sr_instance *, const unsigned char *);
void sr_set_ether_ip(struct sr_instance *, uint32_t ip_nbo);
void sr_print_if_list(struct sr_instance *);
void sr_print_if(struct sr_if *);
struct sr_if *get_interface_from_ip(struct sr_instance *, uint32_t);
struct sr_if *get_interface_from_eth(struct sr_instance *, uint8_t *);


#endif /* --  sr_INTERFACE_H -- */