/*
 * Copyright (c) 1995 Danny Gasparovski.
 *
 * Please read the file COPYRIGHT for the
 * terms and conditions of the copyright.
 */

#ifndef _IF_H_
#define _IF_H_

#define IF_COMPRESS 0x01   /* We want compression */
#define IF_NOCOMPRESS 0x02 /* Do not do compression */
#define IF_AUTOCOMP 0x04   /* Autodetect (default) */
#define IF_NOCIDCOMP 0x08  /* CID compression */

/* Needed for FreeBSD */
#undef if_mtu
extern int if_mtu;
extern int if_mru;  /* MTU and MRU */
extern int if_comp; /* Flags for compression */
extern int if_maxlinkhdr;
extern int if_queued; /* Number of packets queued so far */
extern int if_thresh; /* Number of packets queued before we start sending
                       * (to prevent allocing too many SLIRPmbufs) */

extern struct SLIRPmbuf if_fastq;  /* fast queue (for interactive data) */
extern struct SLIRPmbuf if_batchq; /* queue for non-interactive data */
extern struct SLIRPmbuf *next_m;

#define ifs_init(ifm) ((ifm)->ifs_next = (ifm)->ifs_prev = (ifm))

/* Interface statistics */
struct slirp_ifstats {
        u_int out_pkts;     /* Output packets */
        u_int out_bytes;    /* Output bytes */
        u_int out_errpkts;  /* Output Error Packets */
        u_int out_errbytes; /* Output Error Bytes */
        u_int in_pkts;      /* Input packets */
        u_int in_bytes;     /* Input bytes */
        u_int in_errpkts;   /* Input Error Packets */
        u_int in_errbytes;  /* Input Error Bytes */

        u_int bytes_saved; /* Number of bytes that compression "saved" */
                           /* ie: number of bytes that didn't need to be sent over the link
                            * because of compression */

        u_int in_mbad; /* Bad incoming packets */
};

#endif
