--- qemu/slirp/if.h	2018/04/24 16:49:25	1.1.1.2
+++ qemu/slirp/if.h	2018/04/24 17:25:57	1.1.1.3
@@ -17,47 +17,9 @@
 #define IF_MRU 1500
 #define	IF_COMP IF_AUTOCOMP	/* Flags for compression */
 
-#if 0
-/*
- * Set if_maxlinkhdr to 48 because it's 40 bytes for TCP/IP,
- * and 8 bytes for PPP, but need to have it on an 8byte boundary
- */
-#ifdef USE_PPP
-#define IF_MAXLINKHDR 48
-#else
-#define IF_MAXLINKHDR 40
-#endif
-#else
-        /* 2 for alignment, 14 for ethernet, 40 for TCP/IP */
+/* 2 for alignment, 14 for ethernet, 40 for TCP/IP */
 #define IF_MAXLINKHDR (2 + 14 + 40)
-#endif
-
-extern int	if_queued;	/* Number of packets queued so far */
-
-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
-
 #endif