update libxt_length to revision 1 to support ipv6 jumbo frames.
Signed-off-by: Changli Gao <xiaosuo@xxxxxxxxx>
----
extensions/libxt_length.c | 5 +++--
include/linux/netfilter/xt_length.h | 2 +-
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/extensions/libxt_length.c b/extensions/libxt_length.c
index 96e8b6c..d46eb50 100644
--- a/extensions/libxt_length.c
+++ b/extensions/libxt_length.c
@@ -21,7 +21,7 @@ static const struct option length_opts[] = {
{ .name = NULL }
};
-static u_int16_t
+static u_int32_t
parse_length(const char *s)
{
unsigned int len;
@@ -47,7 +47,7 @@ parse_lengths(const char *s, struct xt_length_info *info)
cp++;
info->min = buffer[0] ? parse_length(buffer) : 0;
- info->max = cp[0] ? parse_length(cp) : 0xFFFF;
+ info->max = cp[0] ? parse_length(cp) : 0xFFFFFFFF;
}
free(buffer);
@@ -125,6 +125,7 @@ static struct xtables_match length_match = {
.print = length_print,
.save = length_save,
.extra_opts = length_opts,
+ .revision = 1,
};
void _init(void)
diff --git a/include/linux/netfilter/xt_length.h b/include/linux/netfilter/xt_length.h
index b82ed7c..a12785c 100644
--- a/include/linux/netfilter/xt_length.h
+++ b/include/linux/netfilter/xt_length.h
@@ -4,7 +4,7 @@
#include <linux/types.h>
struct xt_length_info {
- __u16 min, max;
+ __u32 min, max;
__u8 invert;
};
--
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