diff options
| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-04-10 15:42:09 +0900 |
|---|---|---|
| committer | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-04-12 13:43:17 +0900 |
| commit | dfd982baff01c18e3e1717c97fdac79c28f105ce (patch) | |
| tree | 70c7c7f90bbcb8b522030170cd73816c9d5ec72d /net/ipv6/addrconf.c | |
| parent | 3eb84f49290461e2b83d6e8ee1f3f0e504340c8b (diff) | |
[IPV6] ADDRCONF: Uninline ipv6_isatap_eui64().
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index b17fafc56241..d15f3e095e7e 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1494,6 +1494,29 @@ static int addrconf_ifid_infiniband(u8 *eui, struct net_device *dev) return 0; } +int __ipv6_isatap_ifid(u8 *eui, __be32 addr) +{ + eui[0] = (ipv4_is_zeronet(addr) || ipv4_is_private_10(addr) || + ipv4_is_loopback(addr) || ipv4_is_linklocal_169(addr) || + ipv4_is_private_172(addr) || ipv4_is_test_192(addr) || + ipv4_is_anycast_6to4(addr) || ipv4_is_private_192(addr) || + ipv4_is_test_198(addr) || ipv4_is_multicast(addr) || + ipv4_is_lbcast(addr)) ? 0x00 : 0x02; + eui[1] = 0; + eui[2] = 0x5E; + eui[3] = 0xFE; + memcpy(eui + 4, &addr, 4); + return 0; +} +EXPORT_SYMBOL(__ipv6_isatap_ifid); + +static int addrconf_ifid_sit(u8 *eui, struct net_device *dev) +{ + if (dev->priv_flags & IFF_ISATAP) + return __ipv6_isatap_ifid(eui, *(__be32 *)dev->dev_addr); + return -1; +} + static int ipv6_generate_eui64(u8 *eui, struct net_device *dev) { switch (dev->type) { @@ -1506,8 +1529,7 @@ static int ipv6_generate_eui64(u8 *eui, struct net_device *dev) case ARPHRD_INFINIBAND: return addrconf_ifid_infiniband(eui, dev); case ARPHRD_SIT: - if (dev->priv_flags & IFF_ISATAP) - return ipv6_isatap_eui64(eui, *(__be32 *)dev->dev_addr); + return addrconf_ifid_sit(eui, dev); } return -1; } |