Program to assign globa lIPv6 address and bind() to the previously assigned address.
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In Linux-2.6.33, the function ipv6_add_addr() in addrconf.c sets ifa->flags to IFA_F_TENTATIVE. This is set to IFA_F_PERMANENT only after "Duplicate Address Detection" procedure is completed successfully. In the above listed program, bind() is being called immediately after assigning the IP address. Hence the inet6_bind() in af_inet6.c fails since ifa->flags is still set to IFA_F_TENTATIVE. This issue can probably be resolved by using the IFA_F_NODAD flag (which disables "Duplicate address detection" procedure). So the question is, how do I pass this flag from userspace to the kernel?