initial user mode network support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@733 c046a42c-6fe2-441c-8c8c-71466251a162

slirp/if.h

@@ -0,0 +1,50 @@
+/*
+ * 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 mbufs) */
+
+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))
+
+/* 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