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[IPV6] ADDRCONF: Allow non-DAD'able addresses.

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IFA_F_NODAD flag, similar to IN6_IFF_NODAD in BSDs, is introduced
to skip DAD.

This flag should be set to Mobile IPv6 Home Address(es) on Mobile
Node because DAD would fail if we should perform DAD; our Home Agent
protects our Home Address(es).

Signed-off-by: Noriaki TAKAMIYA <takamiya@po.ntts.co.jp>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Noriaki TAKAMIYA 2006-09-22 14:45:27 -07:00 • committed by David S. Miller
parent fc26d0abd5
commit 55ebaef1d5
2 changed files with 17 additions and 15 deletions
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1
include/linux/if_addr.h
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@ -38,6 +38,7 @@ enum
#define IFA_F_SECONDARY 0x01
#define IFA_F_TEMPORARY IFA_F_SECONDARY
#define IFA_F_NODAD 0x02
#define IFA_F_DEPRECATED 0x20
#define IFA_F_TENTATIVE 0x40
#define IFA_F_PERMANENT 0x80