From: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com>
Date: Tue, 10 Jul 2012 10:44:16 +0000 (+0900)
Subject: tc: u32: Fix firstfrag filter.
X-Git-Tag: v3.5.0~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=690b11f4a6b8;p=thirdparty%2Fiproute2.git

tc: u32: Fix firstfrag filter.

On current firstfrag filter, all non fragmented packets are matched.
firstfrag should check MF bit.

Signed-off-by: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com>
---

diff --git a/tc/f_u32.c b/tc/f_u32.c
index 7a04634f0..66c324721 100644
--- a/tc/f_u32.c
+++ b/tc/f_u32.c
@@ -513,7 +513,7 @@ static int parse_ip(int *argc_p, char ***argv_p, struct tc_u32_sel *sel)
 		res = pack_key16(sel, 0, 0x3FFF, 6, 0);
 	} else if (strcmp(*argv, "firstfrag") == 0) {
 		argc--; argv++;
-		res = pack_key16(sel, 0, 0x1FFF, 6, 0);
+		res = pack_key16(sel, 0x2000, 0x3FFF, 6, 0);
 	} else if (strcmp(*argv, "df") == 0) {
 		argc--; argv++;
 		res = pack_key16(sel, 0x4000, 0x4000, 6, 0);