From 0a36b82adc4660322dc9d1423fa8966917e60ed2 Mon Sep 17 00:00:00 2001
From: glebius <glebius@FreeBSD.org>
Date: Thu, 29 Jul 2004 05:59:43 +0000
Subject: Add configuration option "set pppoe [standard|3Com]" which allows to
 configure mode for ng_pppoe(4) node under control.

Reviewed by:	brian
Approved by:	julian (mentor)
---
 usr.sbin/ppp/command.c  | 16 ++++++++++++++++
 usr.sbin/ppp/ether.c    | 16 ++++++++++++++--
 usr.sbin/ppp/physical.c |  8 ++++++++
 usr.sbin/ppp/physical.h |  3 +++
 usr.sbin/ppp/ppp.8.m4   |  7 ++++++-
 5 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/usr.sbin/ppp/command.c b/usr.sbin/ppp/command.c
index f233ee2..034a306 100644
--- a/usr.sbin/ppp/command.c
+++ b/usr.sbin/ppp/command.c
@@ -143,6 +143,7 @@
 #define	VAR_MPPE	36
 #define	VAR_IPV6CPRETRY	37
 #define	VAR_RAD_ALIVE	38
+#define	VAR_PPPOE	39
 
 /* ``accept|deny|disable|enable'' masks */
 #define NEG_HISMASK (1)
@@ -2294,6 +2295,18 @@ SetVariable(struct cmdargs const *arg)
         }
     }
     break;
+
+  case VAR_PPPOE:
+    if (strcasecmp(argp, "3Com") == 0)
+      physical_SetPPPoEnonstandard(arg->cx->physical, 1);
+    else if (strcasecmp(argp, "standard") == 0)
+      physical_SetPPPoEnonstandard(arg->cx->physical, 0);
+    else {
+      log_Printf(LogWARN, "PPPoE standard value must be \"standard\" or \"3Com\"\n");
+      res = 1;
+    }
+    break;
+
   }
 
   return res;
@@ -2422,6 +2435,9 @@ static struct cmdtab const SetCommands[] = {
   "vj values", "set vj slots|slotcomp [value]"},
   {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
   "Display this message", "set help|? [command]", SetCommands},
+  {"pppoe", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
+   "Connect using standard/3Com mode", "set pppoe [standard|3Com]",
+   (const char *)VAR_PPPOE},
   {NULL, NULL, NULL},
 };
 
diff --git a/usr.sbin/ppp/ether.c b/usr.sbin/ppp/ether.c
index 77ad7e5..ce0bfd2 100644
--- a/usr.sbin/ppp/ether.c
+++ b/usr.sbin/ppp/ether.c
@@ -443,7 +443,7 @@ ether_Create(struct physical *p)
   struct ng_mesg *resp;
   const struct hooklist *hlist;
   const struct nodeinfo *ninfo;
-  char *path, *sessionid;
+  char *path, *sessionid, *mode;
   int ifacelen, f;
 
   dev = NULL;
@@ -621,6 +621,19 @@ ether_Create(struct physical *p)
       log_Printf(LogWARN, "%s: Failed to set the IFF_UP flag on %s\n",
                  p->link.name, path);
 
+    snprintf(connectpath, sizeof connectpath, ".:%s", dev->hook);
+
+    /* Configure node to 3Com mode if needed */
+    if (p->cfg.pppoe_configured) {
+      mode = p->cfg.nonstandard_pppoe ? NG_PPPOE_NONSTANDARD : NG_PPPOE_STANDARD;
+      if (NgSendMsg(dev->cs, connectpath, NGM_PPPOE_COOKIE,
+		NGM_PPPOE_SETMODE, mode, strlen(mode) + 1) == -1) {
+        log_Printf(LogWARN, "``%s'': Cannot configure netgraph node: %s\n",
+                 connectpath, strerror(errno));
+        return ether_Abandon(dev, p);
+      }
+    }
+
     /* And finally, request a connection to the given provider */
 
     data = (struct ngpppoe_init_data *)alloca(sizeof *data + providerlen);
@@ -628,7 +641,6 @@ ether_Create(struct physical *p)
     memcpy(data->data, provider, providerlen);
     data->data_len = providerlen;
 
-    snprintf(connectpath, sizeof connectpath, ".:%s", dev->hook);
     log_Printf(LogDEBUG, "Sending PPPOE_CONNECT to %s\n", connectpath);
     if (NgSendMsg(dev->cs, connectpath, NGM_PPPOE_COOKIE,
                   NGM_PPPOE_CONNECT, data, sizeof *data + providerlen) == -1) {
diff --git a/usr.sbin/ppp/physical.c b/usr.sbin/ppp/physical.c
index ec93fcc..1483b66 100644
--- a/usr.sbin/ppp/physical.c
+++ b/usr.sbin/ppp/physical.c
@@ -1129,3 +1129,11 @@ physical_Slot(struct physical *p)
 
   return -1;
 }
+
+int
+physical_SetPPPoEnonstandard(struct physical *p, int enable)
+{
+   p->cfg.nonstandard_pppoe = enable ? 1 : 0;
+   p->cfg.pppoe_configured = 1;
+   return 1;
+}
diff --git a/usr.sbin/ppp/physical.h b/usr.sbin/ppp/physical.h
index f1e3ec5..222c5e6 100644
--- a/usr.sbin/ppp/physical.h
+++ b/usr.sbin/ppp/physical.h
@@ -104,6 +104,8 @@ struct physical {
 
   struct {
     unsigned rts_cts : 1;      /* Is rts/cts enabled ? */
+    unsigned nonstandard_pppoe : 1; /* Is PPPoE mode nonstandard */
+    unsigned pppoe_configured : 1; /* temporary hack */
     unsigned parity;           /* What parity is enabled? (tty flags) */
     unsigned speed;            /* tty speed */
 
@@ -171,3 +173,4 @@ extern int physical_AwaitCarrier(struct physical *);
 extern void physical_SetDescriptor(struct physical *);
 extern void physical_SetAsyncParams(struct physical *, u_int32_t, u_int32_t);
 extern int physical_Slot(struct physical *);
+extern int physical_SetPPPoEnonstandatd(struct physical *, int);
diff --git a/usr.sbin/ppp/ppp.8.m4 b/usr.sbin/ppp/ppp.8.m4
index 1f8dce4..e0d2743 100644
--- a/usr.sbin/ppp/ppp.8.m4
+++ b/usr.sbin/ppp/ppp.8.m4
@@ -27,7 +27,7 @@ changecom(,)dnl
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 20, 1995
+.Dd July 20, 2004
 .Dt PPP 8
 .Os
 .Sh NAME
@@ -5256,6 +5256,11 @@ below.
 In
 .Fl background
 mode, each number is attempted at most once.
+.It set pppoe Op standard|3Com
+This option configures the underlying
+.Xr ng_pppoe 4
+node to either standard RFC2516 PPPoE or proprietary 3Com mode.
+If not set the system default will be used.
 .It set Op proc Ns Xo
 .No title Op Ar value
 .Xc
-- 
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