initial user mode network support

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

1 files changed, 112 insertions, 0 deletions

diff --git a/socket.h b/socket.h
new file mode 100644
index 0000000..9568e9c
--- /dev/null
+++ b/socket.h
@@ -0,0 +1,112 @@
+/*
+ * 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_ */