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 7a04634f063acf98159e5ee11c19ba0328dacf7e..66c3247213f67c4f06b9d435e797cca589dec86b 100644 (file)
--- 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);