> -----Original Message----- > From: netdev-ow...@vger.kernel.org [mailto:netdev- > ow...@vger.kernel.org] On Behalf Of David Chappelle > Sent: Wednesday, August 19, 2015 8:05 AM > To: netdev@vger.kernel.org > Subject: Clarification on rtnetlink requests > > I am a bit confused with respect to the structure of rtnetlink requests. > It seems that in some circumstances a request can look like: > > struct request > { > struct nlmsghdr header; > struct rtgenmsg body; > }; > > and in other cases it can look like: > > struct request > { > struct nlmsghdr header; > struct ifinfomsg body; > }; > > How do I know which one to use when sending RTM_GETLINK and > RTM_GETADDR requests? Furthermore, it also seems that 'struct rtattr' > can be specified at the end of the request as well. Is there any > documentation that describes this.
RTM_GETLINK uses ifinfomsg and RTM_GETADDR uses ifaddrmsg, see man 7 rtnetlink. struct rtgenmsg is just a generic type, look at include/linux/rtnetlink.h -Anish N�����r��y����b�X��ǧv�^�){.n�+���z�^�)����w*jg��������ݢj/���z�ޖ��2�ޙ����&�)ߡ�a�����G���h��j:+v���w��٥