From bece161424f332346d9a90d2bc687db0bb7b3d50 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sun, 20 Feb 2000 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2000-02-20

---
 ip/devip.c | 13 -------------
 ip/ip.c    |  6 +++++-
 ip/ip.h    | 18 ------------------
 3 files changed, 5 insertions(+), 32 deletions(-)

diff --git a/ip/devip.c b/ip/devip.c
index cfb03eddbb024a70ba3dd465123b4bc574a1de5e..5829142959de5e69aea57d622247c6b24af4c5a7 100644
--- a/ip/devip.c
+++ b/ip/devip.c
@@ -14,7 +14,6 @@ enum
 	Qbootp,
 	Qndb,
 	Qiproute,
-	Qiprouter,
 	Qipselftab,
 	Qlog,
 
@@ -158,10 +157,6 @@ ip1gen(Chan *c, int i, Dir *dp)
 		prot = 0444;
 		q = (Qid){QID(0, 0, Qipselftab), 0};
 		break;
-	case Qiprouter:
-		p = "iprouter";
-		q = (Qid){QID(0, 0, Qiprouter), 0};
-		break;
 	case Qlog:
 		p = "log";
 		q = (Qid){QID(0, 0, Qlog), 0};
@@ -203,7 +198,6 @@ ipgen(Chan *c, Dirtab*, int, int s, Dir *dp)
 	case Qndb:
 	case Qlog:
 	case Qiproute:
-	case Qiprouter:
 	case Qipselftab:
 		return ip1gen(c, TYPE(c->qid), dp);
 	case Qprotodir:
@@ -364,9 +358,6 @@ ipopen(Chan* c, int omode)
 	case Qlog:
 		netlogopen(f);
 		break;
-	case Qiprouter:
-		iprouteropen(f);
-		break;
 	case Qiproute:
 		memmove(c->tag, "none", sizeof(c->tag));
 		break;
@@ -527,10 +518,6 @@ ipclose(Chan* c)
 		if(c->flag & COPEN)
 			netlogclose(f);
 		break;
-	case Qiprouter:
-		if(c->flag & COPEN)
-			iprouterclose(f);
-		break;
 	case Qdata:
 	case Qctl:
 	case Qerr:
diff --git a/ip/ip.c b/ip/ip.c
index 72c2c4daccb4d9281747cca6f8af289cf6e5ab2c..65bd9b070c09c147bd5956124d87c46234aadfde 100644
--- a/ip/ip.c
+++ b/ip/ip.c
@@ -214,6 +214,7 @@ ipoput(Fs *f, Block *bp, int gating, int ttl, int tos)
 	}
 
 	if(eh->frag[0] & (IP_DF>>8)){
+		ip->istats.ipFragFails++;
 		ip->istats.ipOutDiscards++;
 		netlog(f, Logip, "%V: eh->frag[0] & (IP_DF>>8)\n", eh->dst);
 		goto raise;
@@ -221,6 +222,7 @@ ipoput(Fs *f, Block *bp, int gating, int ttl, int tos)
 
 	seglen = (medialen - IPHDR) & ~7;
 	if(seglen < 8){
+		ip->istats.ipFragFails++;
 		ip->istats.ipOutDiscards++;
 		netlog(f, Logip, "%V seglen < 8\n", eh->dst);
 		goto raise;
@@ -262,6 +264,7 @@ ipoput(Fs *f, Block *bp, int gating, int ttl, int tos)
 		while(chunk) {
 			if(!xp) {
 				ip->istats.ipOutDiscards++;
+				ip->istats.ipFragFails++;
 				freeblist(nb);
 				netlog(f, Logip, "!xp: chunk %d\n", chunk);
 				goto raise;
@@ -283,6 +286,7 @@ ipoput(Fs *f, Block *bp, int gating, int ttl, int tos)
 		ifc->m->bwrite(ifc, nb, V4, gate);
 		ip->istats.ipFragCreates++;
 	}
+	ip->istats.ipFragOKs++;
 raise:
 	runlock(ifc);
 	poperror();
@@ -377,7 +381,7 @@ ipiput(Fs *f, uchar *ia, Block *bp)
 	/* route */
 	if(notforme) {
 		if(!ip->iprouting){
-			useriprouter(f, ia, bp);
+			freeb(bp);
 			return;
 		}
 
diff --git a/ip/ip.h b/ip/ip.h
index 2bee2c75349bc1d4bb5c256544968522895248ab..c88206e0e77939371eb0b4425b28019667d4f87a 100644
--- a/ip/ip.h
+++ b/ip/ip.h
@@ -231,15 +231,6 @@ struct Proto
 	void		*priv;
 };
 
-/*
- *  Stream for sending packets to user level
- */
-struct IProuter {
-	QLock;
-	int	opens;
-	Queue	*q;
-};
-
 /*
  *  one per IP protocol stack
  */
@@ -257,7 +248,6 @@ struct Fs
 	IP	*ip;
 	Ipselftab	*self;
 	Arp	*arp;
-	IProuter iprouter;
 
 	Route	*v4root[1<<Lroot];	/* v4 routing forest */
 	Route	*v6root[1<<Lroot];	/* v6 routing forest */
@@ -507,14 +497,6 @@ extern void	ip_init(Fs*);
 extern char*	bootp(Ipifc*);
 extern int	bootpread(char*, ulong, int);
 
-/*
- *  iprouter.c
- */
-void	useriprouter(Fs*, uchar*, Block*);
-void	iprouteropen(Fs*);
-void	iprouterclose(Fs*);
-long	iprouterread(Fs*, void*, int);
-
 /*
  *  resolving inferno/plan9 differences
  */