diff options
| author | Tony Cheneau <tony.cheneau@amnesiak.org> | 2013-03-25 18:59:21 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-03-26 17:37:55 +0100 |
| commit | 8d879a3f9856fe6c6e27853a96c0beaed03acb2c (patch) | |
| tree | 68a9778444faf9aec2b8cc602893ce6bbd095fa8 /net/ieee802154 | |
| parent | netlink: have length check of rtnl msg before deref (diff) | |
| download | linux-8d879a3f9856fe6c6e27853a96c0beaed03acb2c.tar.xz linux-8d879a3f9856fe6c6e27853a96c0beaed03acb2c.zip | |
6lowpan: lowpan_is_iid_16_bit_compressable() does not detect compressible address correctly
The current test is not RFC6282 compliant. The same issue has been found
and fixed in Contiki. This patch is basically a port of their fix.
Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ieee802154')
| -rw-r--r-- | net/ieee802154/6lowpan.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ieee802154/6lowpan.h b/net/ieee802154/6lowpan.h index bba5f8336317..4b8f917658b5 100644 --- a/net/ieee802154/6lowpan.h +++ b/net/ieee802154/6lowpan.h @@ -92,9 +92,10 @@ */ #define lowpan_is_iid_16_bit_compressable(a) \ ((((a)->s6_addr16[4]) == 0) && \ - (((a)->s6_addr16[5]) == 0) && \ - (((a)->s6_addr16[6]) == 0) && \ - ((((a)->s6_addr[14]) & 0x80) == 0)) + (((a)->s6_addr[10]) == 0) && \ + (((a)->s6_addr[11]) == 0xff) && \ + (((a)->s6_addr[12]) == 0xfe) && \ + (((a)->s6_addr[13]) == 0)) /* multicast address */ #define is_addr_mcast(a) (((a)->s6_addr[0]) == 0xFF) |