#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 mbufs) */
+#define IF_MTU 1500
+#define IF_MRU 1500
+#define IF_COMP IF_AUTOCOMP /* Flags for compression */
-extern struct mbuf if_fastq; /* fast queue (for interactive data) */
-extern struct mbuf if_batchq; /* queue for non-interactive data */
-extern struct mbuf *next_m;
-
-#define ifs_init(ifm) ((ifm)->ifs_next = (ifm)->ifs_prev = (ifm))
-
-#ifdef LOG_ENABLED
-/* 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
+/* 2 for alignment, 14 for ethernet, 40 for TCP/IP */
+#define IF_MAXLINKHDR (2 + 14 + 40)
#endif