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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>I’m trying to retrieve DAD(duplicate address detection) notifications in userspace using netlink sockets.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>The code snippet is – <o:p></o:p></span></p><p class=MsoNormal style='text-indent:.5in'><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>struct sockaddr_nl addr;<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>sock = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE)<o:p></o:p></span></p><p class=MsoNormal style='text-indent:.5in'><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>addr.nl_family = AF_NETLINK;<o:p></o:p></span></p><p class=MsoNormal style='text-indent:.5in'><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>addr.nl_groups = RTMGRP_IPV6_IFADDR;<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>I’m receiving notifications when an ipv6 address added/deleted for an interface.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>But I’m not receiving any notifications when the address is in tentative state(dadfailed)<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>I think I have to play with members of struct sockaddr_nl by setting proper values to receive notifications properly.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'>Can anyone please tell me what’s wrong in my code .<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#17365D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#002060'>Thanks & Regards<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#002060'>Murali Annamneni</span><span style='color:#17365D'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 7.5pt; mso-fareast-font-family: 'Times New Roman'">
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