Cronyx/Sigma sync/async serial driver with PPP support

from Serge Vakulenko

1 files changed, 70 insertions, 0 deletions

diff --git a/sys/net/if_sppp.h b/sys/net/if_sppp.h
new file mode 100644
index 0000000..c915977
--- /dev/null
+++ b/sys/net/if_sppp.h
@@ -0,0 +1,70 @@
+/*
+ * Defines for synchronous PPP/Cisco link level subroutines.
+ *
+ * Copyright (C) 1994 Cronyx Ltd.
+ * Author: Serge Vakulenko, <vak@zebub.msk.su>
+ *
+ * This software is distributed with NO WARRANTIES, not even the implied
+ * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Authors grant any other persons or organisations permission to use
+ * or modify this software as long as this message is kept with the software,
+ * all derivative works or modified versions.
+ *
+ * Version 1.1, Thu Oct 27 21:15:02 MSK 1994
+ */
+
+#ifndef _NET_IF_HDLC_H_
+#define _NET_IF_HDLC_H_ 1
+
+struct slcp {
+	u_short state;          /* state machine */
+	u_long  magic;          /* local magic number */
+	u_long  rmagic;         /* remote magic number */
+	u_char  lastid;         /* id of last keepalive echo request */
+};
+
+struct sipcp {
+	u_short state;          /* state machine */
+};
+
+struct sppp {
+	struct  ifnet pp_if;    /* network interface data */
+	struct  ifqueue pp_fastq; /* fast output queue */
+	struct  sppp *pp_next;  /* next interface in keepalive list */
+	u_int   pp_flags;       /* use Cisco protocol instead of PPP */
+	u_short pp_alivecnt;    /* keepalive packets counter */
+	u_short pp_loopcnt;     /* loopback detection counter */
+	u_long  pp_seq;         /* local sequence number */
+	u_long  pp_rseq;        /* remote sequence number */
+	struct slcp lcp;        /* LCP params */
+	struct sipcp ipcp;      /* IPCP params */
+};
+
+#define PP_KEEPALIVE    0x01    /* use keepalive protocol */
+#define PP_CISCO        0x02    /* use Cisco protocol instead of PPP */
+
+#define PP_MTU          1500    /* max. transmit unit */
+
+#define LCP_STATE_CLOSED        0       /* LCP state: closed (conf-req sent) */
+#define LCP_STATE_ACK_RCVD      1       /* LCP state: conf-ack received */
+#define LCP_STATE_ACK_SENT      2       /* LCP state: conf-ack sent */
+#define LCP_STATE_OPENED        3       /* LCP state: opened */
+
+#define IPCP_STATE_CLOSED       0       /* IPCP state: closed (conf-req sent) */
+#define IPCP_STATE_ACK_RCVD     1       /* IPCP state: conf-ack received */
+#define IPCP_STATE_ACK_SENT     2       /* IPCP state: conf-ack sent */
+#define IPCP_STATE_OPENED       3       /* IPCP state: opened */
+
+#ifdef KERNEL
+void sppp_attach (struct ifnet *ifp);
+void sppp_detach (struct ifnet *ifp);
+void sppp_input (struct ifnet *ifp, struct mbuf *m);
+int sppp_output (struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst,
+	struct rtentry *rt);
+int sppp_ioctl (struct ifnet *ifp, int cmd, caddr_t data);
+struct mbuf *sppp_dequeue (struct ifnet *ifp);
+void sppp_flush (struct ifnet *ifp);
+#endif
+
+#endif /* _NET_IF_HDLC_H_ */