iproute2/iproute2-2.6.22-fragtimeout.diff

--- doc/ip-cref.tex
+++ doc/ip-cref.tex	2007/07/12 09:13:47
@@ -1322,7 +1322,11 @@
     If it is not given, Linux uses the value selected with \verb|sysctl|
     variable \verb|net/ipv4/tcp_reordering|.
 
+\item \verb|fragtimeout NUMBER|
 
+--- \threeonly How many seconds to wait before expiring IP fragments
+    from the destination of this route. If not specified Linux uses
+    the \verb|sysctl| variable \verb|net/ipv4/ip_frag_timeout|.
 
 \item \verb|nexthop NEXTHOP|
 
--- ip/iproute.c
+++ ip/iproute.c	2007/07/12 09:47:17
@@ -38,6 +38,14 @@
 #define RTAX_RTTVAR RTAX_HOPS
 #endif
 
+#ifndef RTAX_FRAG_TIMEOUT
+#define RTAX_FRAG_TIMEOUT (RTAX_FEATURES+1)
+#endif
+
+#if RTAX_MAX < RTAX_FRAG_TIMEOUT
+#undef RTAX_MAX
+#define RTAX_MAX RTAX_FRAG_TIMEOUT
+#endif
 
 static const char *mx_names[RTAX_MAX+1] = {
 	[RTAX_MTU]	= "mtu",
@@ -51,6 +59,7 @@
 	[RTAX_HOPLIMIT] = "hoplimit",
 	[RTAX_INITCWND] = "initcwnd",
 	[RTAX_FEATURES] = "features",
+	[RTAX_FRAG_TIMEOUT]="fragtimeout"
 };
 static void usage(void) __attribute__((noreturn));
 
@@ -71,9 +80,9 @@
 	fprintf(stderr, "INFO_SPEC := NH OPTIONS FLAGS [ nexthop NH ]...\n");
 	fprintf(stderr, "NH := [ via ADDRESS ] [ dev STRING ] [ weight NUMBER ] NHFLAGS\n");
 	fprintf(stderr, "OPTIONS := FLAGS [ mtu NUMBER ] [ advmss NUMBER ]\n");
-	fprintf(stderr, "           [ rtt NUMBER ] [ rttvar NUMBER ]\n");
+	fprintf(stderr, "           [ rtt NUMBER ] [ rttvar NUMBER ] [ fragtimeout seconds]\n");
 	fprintf(stderr, "           [ window NUMBER] [ cwnd NUMBER ] [ initcwnd NUMBER ]\n");
-	fprintf(stderr, "           [ ssthresh NUMBER ] [ realms REALM ]\n");
+	fprintf(stderr, "           [ ssthresh NUMBER ] [ reordering NUMBER] [ realms REALM ]\n");
 	fprintf(stderr, "TYPE := [ unicast | local | broadcast | multicast | throw |\n");
 	fprintf(stderr, "          unreachable | prohibit | blackhole | nat ]\n");
 	fprintf(stderr, "TABLE_ID := [ local | main | default | all | NUMBER ]\n");
@@ -789,6 +798,14 @@
 				invarg("\"reordering\" value is invalid\n", *argv);
 			rta_addattr32(mxrta, sizeof(mxbuf), RTAX_REORDERING, reord);
 #endif
+#ifdef RTAX_FRAG_TIMEOUT
+		} else if (strcmp(*argv, "fragtimeout") == 0) {
+			unsigned timeout;
+			NEXT_ARG();
+			if (get_unsigned(&timeout, *argv, 0))
+				invarg("\"timeout\" value is invalid\n", *argv);
+			rta_addattr32(mxrta, sizeof(mxbuf), RTAX_FRAG_TIMEOUT, timeout);
+#endif
 		} else if (strcmp(*argv, "rtt") == 0) {
 			unsigned rtt;
 			NEXT_ARG();
--- man/man8/ip.8
+++ man/man8/ip.8	2007/07/12 09:26:54
@@ -1095,6 +1095,14 @@
 .BR "net/ipv4/tcp_reordering" .
 
 .TP
+.BI fragtimeout " NUMBER " "(SuSE extension currently)"
+Fragment timeout in seconds for IP fragments arriving from this distination.
+If it is not given, Linux uses the value selected with
+.B sysctl
+variable
+.BR "net/ipv4/ipfrag_timeout" .
+
+.TP
 .BI nexthop " NEXTHOP"
 the nexthop of a multipath route.
 .I NEXTHOP