added stuff for demand dialling and compression

[ppp.git] / include / net / if_ppp.h

diff --git a/include/net/if_ppp.h b/include/net/if_ppp.h
index 54d122371b54cb5ff53027fa85c26428f8326895..7f42e7325e115a411c09eb32350b174cf8f21bab 100644 (file)
--- a/include/net/if_ppp.h
+++ b/include/net/if_ppp.h
@@ -16,7 +16,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
- * $Id: if_ppp.h,v 1.2 1994/04/18 05:07:11 paulus Exp $
+ * $Id: if_ppp.h,v 1.4 1994/09/01 00:45:32 paulus Exp $
  */
 
 #ifndef _IF_PPP_H_
@@ -83,12 +83,16 @@ struct ppp_softc {
 #ifdef VJC
        struct  slcompress sc_comp; /* vjc control buffer */
 #endif
-       u_int   sc_bytessent;   /* count of octets sent *
+       u_int   sc_bytessent;   /* count of octets sent */
        u_int   sc_bytesrcvd;   /* count of octets received */
        caddr_t sc_bpf;         /* hook for BPF */
+       struct  compressor *sc_xcomp;   /* transmit compressor */
+       void    *sc_xc_state;   /* transmit compressor state */
+       struct  compressor *sc_rcomp;   /* receive decompressor */
+       void    *sc_rc_state;   /* receive decompressor state */
        
        /* Device-dependent part for async lines. */
-       u_long  sc_asyncmap[8]; /* async control character map */
+       ext_accm sc_asyncmap;   /* async control character map */
        u_long  sc_rasyncmap;   /* receive async control char map */
        struct  mbuf *sc_outm;  /* mbuf chain being output currently */
        struct  mbuf *sc_m;     /* pointer to input mbuf chain */
@@ -108,7 +112,11 @@ struct ppp_softc {
 #define SC_NO_TCP_CCID 0x00000008      /* disable VJ connection-id comp. */
 #define SC_REJ_COMP_AC 0x00000010      /* reject adrs/ctrl comp. on input */
 #define SC_REJ_COMP_TCP        0x00000020      /* reject TCP (VJ) comp. on input */
+#define SC_CCP_OPEN    0x00000040      /* Look at CCP packets */
+#define SC_CCP_UP      0x00000080      /* May send/recv compressed packets */
 #define SC_ENABLE_IP   0x00000100      /* IP packets may be exchanged */
+#define SC_XCOMP_RUN   0x00001000      /* compressor has been inited */
+#define SC_RCOMP_RUN   0x00002000      /* decompressor has been inited */
 #define SC_DEBUG       0x00010000      /* enable debug messages */
 #define SC_LOG_INPKT   0x00020000      /* log contents of good pkts recvd */
 #define SC_LOG_OUTPKT  0x00040000      /* log contents of pkts sent */
@@ -120,10 +128,33 @@ struct ppp_softc {
 #define        SC_ESCAPED      0x80000000      /* saw a PPP_ESCAPE */
 #define        SC_FLUSH        0x40000000      /* flush input until next PPP_FLAG */
 #define SC_RCV_B7_0    0x01000000      /* have rcvd char with bit 7 = 0 */
-#define SC_RCV_B7_1    0x02000000      /* have rcvd char with bit 7 = 0 */
+#define SC_RCV_B7_1    0x02000000      /* have rcvd char with bit 7 = 1 */
 #define SC_RCV_EVNP    0x04000000      /* have rcvd char with even parity */
 #define SC_RCV_ODDP    0x08000000      /* have rcvd char with odd parity */
 
+/*
+ * What to do with network protocol (NP) packets.
+ */
+
+enum NPmode {
+    NPMODE_PASS,               /* pass the packet through */
+    NPMODE_DROP,               /* silently drop the packet */
+    NPMODE_ERROR,              /* return an error */
+    NPMODE_QUEUE               /* save it up for later. */
+};
+
+struct npioctl {
+    int                protocol;       /* PPP procotol, e.g. PPP_IP */
+    enum NPmode        mode;
+};
+
+/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
+struct ppp_option_data {
+       u_char  *ptr;
+       u_int   length;
+       int     transmit;
+};
+
 /* this stuff doesn't belong here... */
 #define        PPPIOCGFLAGS    _IOR('t', 90, int)      /* get configuration flags */
 #define        PPPIOCSFLAGS    _IOW('t', 89, int)      /* set configuration flags */
@@ -138,6 +169,9 @@ struct ppp_softc {
 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
 #define PPPIOCXFERUNIT _IO('t', 78)            /* transfer PPP unit */
+#define PPPIOCSCOMPRESS        _IOW('t', 77, struct ppp_option_data)
+#define PPPIOCGNPMODE  _IOWR('t', 76, struct npioctl) /* get NP mode */
+#define PPPIOCSNPMODE  _IOW('t', 75, struct npioctl)  /* set NP mode */
 
 #ifdef ultrix 
 #define ifr_mtu ifr_ifru.ifru_metric