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ipv6: Add IFA_F_DADFAILED flag 

Add IFA_F_DADFAILED flag to denote an IPv6 address that has
failed Duplicate Address Detection, that way tools like
/sbin/ip can be more informative.

3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
    inet6 2001:db8::1/64 scope global tentative dadfailed
       valid_lft forever preferred_lft forever

Signed-off-by: Brian Haley <brian.haley@hp.com>
This commit is contained in:
Brian Haley 2009-12-01 15:58:44 -08:00 committed by Stephen Hemminger
parent ee7ba9875d
commit f4af851bac
1 changed files with 4 additions and 0 deletions
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4
ip/ipaddress.c
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@ -506,6 +506,10 @@ int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
fprintf(fp, "dynamic ");
} else
ifa->ifa_flags &= ~IFA_F_PERMANENT;
if (ifa->ifa_flags&IFA_F_DADFAILED) {
ifa->ifa_flags &= ~IFA_F_DADFAILED;
fprintf(fp, "dadfailed ");
}
if (ifa->ifa_flags)
fprintf(fp, "flags %02x ", ifa->ifa_flags);
if (rta_tb[IFA_LABEL])