initial user mode network support

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

1 files changed, 104 insertions, 0 deletions

diff --git a/slirp/socket.h b/slirp/socket.h
new file mode 100644
index 0000000..d05354c
--- /dev/null
+++ b/slirp/socket.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 1995 Danny Gasparovski.
+ * 
+ * Please read the file COPYRIGHT for the 
+ * terms and conditions of the copyright.
+ */
+
+/* MINE */
+
+#ifndef _SLIRP_SOCKET_H_
+#define _SLIRP_SOCKET_H_
+
+#define SO_EXPIRE 240000
+#define SO_EXPIREFAST 10000
+
+/*
+ * Our socket structure
+ */
+
+struct socket {
+  struct socket *so_next,*so_prev;      /* For a linked list of sockets */
+
+  int s;                           /* The actual socket */
+
+			/* XXX union these with not-yet-used sbuf params */
+  struct mbuf *so_m;	           /* Pointer to the original SYN packet,
+				    * for non-blocking connect()'s, and
+				    * PING reply's */
+  struct tcpiphdr *so_ti;	   /* Pointer to the original ti within
+				    * so_mconn, for non-blocking connections */
+  int so_urgc;
+  struct in_addr so_faddr;	   /* foreign host table entry */
+  struct in_addr so_laddr;	   /* local host table entry */
+  u_int16_t so_fport;		   /* foreign port */
+  u_int16_t so_lport;		   /* local port */
+  
+  u_int8_t	so_iptos;	/* Type of service */
+  u_int8_t	so_emu;		/* Is the socket emulated? */
+  
+  u_char	so_type;		/* Type of socket, UDP or TCP */
+  int	so_state;		/* internal state flags SS_*, below */
+  
+  struct 	tcpcb *so_tcpcb;	/* pointer to TCP protocol control block */
+  u_int	so_expire;		/* When the socket will expire */
+  
+  int	so_queued;		/* Number of packets queued from this socket */
+  int	so_nqueued;		/* Number of packets queued in a row
+				 * Used to determine when to "downgrade" a session
+					 * from fastq to batchq */
+	
+  struct sbuf so_rcv;		/* Receive buffer */
+  struct sbuf so_snd;		/* Send buffer */
+  void * extra;			/* Extra pointer */
+};
+
+
+/*
+ * Socket state bits. (peer means the host on the Internet,
+ * local host means the host on the other end of the modem)
+ */
+#define SS_NOFDREF		0x001	/* No fd reference */
+
+#define SS_ISFCONNECTING	0x002	/* Socket is connecting to peer (non-blocking connect()'s) */
+#define SS_ISFCONNECTED		0x004	/* Socket is connected to peer */
+#define SS_FCANTRCVMORE		0x008	/* Socket can't receive more from peer (for half-closes) */
+#define SS_FCANTSENDMORE	0x010	/* Socket can't send more to peer (for half-closes) */
+/* #define SS_ISFDISCONNECTED	0x020*/	/* Socket has disconnected from peer, in 2MSL state */
+#define SS_FWDRAIN		0x040	/* We received a FIN, drain data and set SS_FCANTSENDMORE */
+
+#define SS_CTL			0x080
+#define SS_FACCEPTCONN		0x100	/* Socket is accepting connections from a host on the internet */
+#define SS_FACCEPTONCE		0x200	/* If set, the SS_FACCEPTCONN socket will die after one accept */
+
+extern struct socket tcb;
+
+
+#if defined(DECLARE_IOVEC) && !defined(HAVE_READV)
+struct iovec {
+	char *iov_base;
+	size_t iov_len;
+};
+#endif
+
+void so_init _P((void));
+struct socket * solookup _P((struct socket *, struct in_addr, u_int, struct in_addr, u_int));
+struct socket * socreate _P((void));
+void sofree _P((struct socket *));
+int soread _P((struct socket *));
+void sorecvoob _P((struct socket *));
+int sosendoob _P((struct socket *));
+int sowrite _P((struct socket *));
+void sorecvfrom _P((struct socket *));
+int sosendto _P((struct socket *, struct mbuf *));
+struct socket * solisten _P((u_int, u_int32_t, u_int, int));
+void sorwakeup _P((struct socket *));
+void sowwakeup _P((struct socket *));
+void soisfconnecting _P((register struct socket *));
+void soisfconnected _P((register struct socket *));
+void sofcantrcvmore _P((struct  socket *));
+void sofcantsendmore _P((struct socket *));
+void soisfdisconnected _P((struct socket *));
+void sofwdrain _P((struct socket *));
+
+#endif /* _SOCKET_H_ */