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IPv6 support for NFS server export caches

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This adds IPv6 support to the interfaces that are used to express nfsd
exports.  All addressed are stored internally as IPv6; backwards
compatibility is maintained using mapped addresses.

Thanks to Bruce Fields, Brian Haley, Neil Brown and Hideaki Joshifuji
for comments

Signed-off-by: Aurelien Charbon <aurelien.charbon@bull.net>
Cc: Neil Brown <neilb@suse.de>
Cc: Brian Haley <brian.haley@hp.com>
Cc:  YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Aurélien Charbon
2008-01-18 15:50:56 +01:00
committed by J. Bruce Fields
parent d751a7cd06
commit f15364bd4c
5 changed files with 111 additions and 45 deletions
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9
include/net/ipv6.h
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@@ -383,6 +383,15 @@ static inline int ipv6_addr_orchid(const struct in6_addr *a)
== htonl(0x20010010));
}
static inline void ipv6_addr_set_v4mapped(const __be32 addr,
struct in6_addr *v4mapped)
{
ipv6_addr_set(v4mapped,
0, 0,
htonl(0x0000FFFF),
addr);
}
/*
* find the first different bit between two addresses
* length of address must be a multiple of 32bits