--- /dev/null
+*** /usr/sys/h/ioctl.h.orig Fri Dec 9 10:05:18 1994
+--- /usr/sys/h/ioctl.h Fri Dec 9 10:06:06 1994
+***************
+*** 405,410 ****
+--- 405,411 ----
+ #define SLPDISC 0x07 /* BSD Serial Line IP */
+ #define PCMDISC 0x08 /* Peripheral Control Module
+ for dial and button boxex */
++ #define PPPDISC 0x09 /* PPP Point-to-Point Protocol */
+ /* Line disc #'s 16-23 are
+ reserved for local extension.*/
+
+*** /usr/sys/net/net/if.h.orig Wed Aug 4 01:57:00 1993
+--- /usr/sys/net/net/if.h Fri Dec 9 09:29:11 1994
+***************
+*** 231,236 ****
+--- 231,237 ----
+ #define IFT_XETHER 0x1a /* obsolete 3MB experimental ethernet */
+ #define IFT_NSIP 0x1b /* XNS over IP */
+ #define IFT_SLIP 0x1c /* IP over generic TTY */
++ #define IFT_PPP 0x1d /* PPP over generic TTY */
+
+ /*
+ * Output queues (ifp->if_snd) and internetwork datagram level (pup level 1)
+*** /usr/sys/net/net/netisr.h.orig Fri Dec 9 09:53:17 1994
+--- /usr/sys/net/net/netisr.h Fri Dec 9 09:54:14 1994
+***************
+*** 77,82 ****
+--- 77,83 ----
+ #define NETISR_LAT 14 /* same as AF_LAT */
+ #define NETISR_BSC 15 /* same as AF_BSC */
+ #define NETISR_DLO 19 /* same as AF_OSI */
++ #define NETISR_PPP 26 /* Point-to-Point Protocol */
+
+ #define schednetisr(anisr) { set_bit_atomic(anisr,&netisr); setsoftnet(); }
+
+*** /usr/sys/net/net/conf_net.c.orig Fri Dec 9 13:29:49 1994
+--- /usr/sys/net/net/conf_net.c Fri Dec 9 13:32:50 1994
+***************
+*** 84,89 ****
+--- 84,90 ----
+ #ifdef vax
+ #include "bsc.h"
+ #endif vax
++ #include "ppp.h"
+
+
+ #if ((NETHER==0 && NFDDI==0) || NINET==0)
+***************
+*** 251,257 ****
+ };
+
+
+! extern int rawintr(), ipintr(), nsintr(), dnetintr(), dlointr(), dliintr(), latintr(), bscintr();
+ #ifdef __mips
+ extern int scsiisr();
+ #endif
+--- 252,258 ----
+ };
+
+
+! extern int rawintr(), ipintr(), nsintr(), dnetintr(), dlointr(), dliintr(), latintr(), bscintr(), pppintr();
+ #ifdef __mips
+ extern int scsiisr();
+ #endif
+***************
+*** 289,294 ****
+--- 290,298 ----
+ {NETISR_SCSI,scsiisr},
+ #endif /* NSCSI > 0 || NSII > 0 || NASC > 0 */
+ #endif /* __mips */
++ #if NPPP > 0
++ {NETISR_PPP,pppintr},
++ #endif /* NPPP */
+
+ {-1 ,0}
+ };
+*** /usr/sys/data/pseudo_data.c.orig Sat Sep 19 06:20:31 1992
+--- /usr/sys/data/pseudo_data.c Fri Dec 9 09:32:23 1994
+***************
+*** 25,30 ****
+--- 25,35 ----
+
+ #endif /* NSL > 0 */
+
++ #include "ppp.h"
++ #if NPPP > 0
++ pppattach();
++ #endif
++
+ return;
+ }
+
+*** /usr/sys/data/tty_conf_data.c.orig Sat Sep 19 06:19:21 1992
+--- /usr/sys/data/tty_conf_data.c Fri Dec 9 09:32:38 1994
+***************
+*** 83,88 ****
+--- 83,94 ----
+ int slopen(), slclose(), slinput(), sltioctl(), slstart();
+ #endif
+
++ #include "ppp.h"
++ #if NPPP > 0
++ int pppopen(), pppclose(), pppread(), pppwrite(), pppinput();
++ int ppptioctl(), pppstart();
++ #endif
++
+ #ifdef BINARY
+
+ extern int nldisp;
+***************
+*** 141,146 ****
+--- 147,161 ----
+ nodev, nodev, nodev, nodev, nodev,
+ nodev, nodev, nodev, nodev, nodev,
+ #endif
++
++ #if NPPP > 0
++ pppopen, pppclose, pppread, pppwrite, ppptioctl,
++ pppinput, nodev, nulldev, pppstart, nulldev, /* 9 - PPPDISC */
++ #else
++ nodev, nodev, nodev, nodev, nodev,
++ nodev, nodev, nodev, nodev, nodev,
++ #endif
++
+
+ };
+
+*** /usr/sys/conf/mips/files.mips.orig Sat Sep 11 06:09:28 1993
+--- /usr/sys/conf/mips/files.mips Fri Dec 9 09:32:01 1994
+***************
+*** 114,120 ****
+ io/netif/if_ln_copy.s optional ln Binary
+ io/netif/if_ne.c optional ne device-driver Binary
+ io/netif/if_sl.c optional sl device-driver Binary Unsupported
+! io/netif/slcompress.c optional sl device-driver Binary Unsupported
+ io/netif/if_qe.c optional qe device-driver Binary
+ io/netif/if_uba.c optional inet device-driver Binary
+ io/netif/if_ni.c optional bvpni device-driver Binary
+--- 114,123 ----
+ io/netif/if_ln_copy.s optional ln Binary
+ io/netif/if_ne.c optional ne device-driver Binary
+ io/netif/if_sl.c optional sl device-driver Binary Unsupported
+! io/netif/if_ppp.c optional ppp device-driver Notbinary
+! io/netif/ppp_tty.c optional ppp device-driver Notbinary
+! io/netif/bsd-comp.c optional ppp device-driver Notbinary
+! io/netif/slcompress.c optional sl or ppp device-driver Notbinary
+ io/netif/if_qe.c optional qe device-driver Binary
+ io/netif/if_uba.c optional inet device-driver Binary
+ io/netif/if_ni.c optional bvpni device-driver Binary