diff options
| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-06-20 01:33:57 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-06-20 01:33:57 +0200 |
| commit | f630e43a215a3129d0c1173cae0bce6ea4855cf7 (patch) | |
| tree | 9bd9c07a59622dfb166624f79d2d71f7e076aa13 /include/net | |
| parent | ipv6: Remove options header when setsockopt's optlen is 0 (diff) | |
| download | linux-f630e43a215a3129d0c1173cae0bce6ea4855cf7.tar.xz linux-f630e43a215a3129d0c1173cae0bce6ea4855cf7.zip | |
ipv6: Drop packets for loopback address from outside of the box.
[ Based upon original report and patch by Karsten Keil. Karsten
has verified that this fixes the TAHI test case "ICMPv6 test
v6LC.5.1.2 Part F". -DaveM ]
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/ipv6.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index e0a612bc9c4e..f422f7218e1c 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -367,6 +367,12 @@ static inline int ipv6_addr_any(const struct in6_addr *a) a->s6_addr32[2] | a->s6_addr32[3] ) == 0); } +static inline int ipv6_addr_loopback(const struct in6_addr *a) +{ + return ((a->s6_addr32[0] | a->s6_addr32[1] | + a->s6_addr32[2] | (a->s6_addr32[3] ^ htonl(1))) == 0); +} + static inline int ipv6_addr_v4mapped(const struct in6_addr *a) { return ((a->s6_addr32[0] | a->s6_addr32[1] | |