On Fri, Feb 10, 2012 at 02:28:23PM +0800, cyl cyl wrote: > I want to add ipv6 support on my ecos board. It requires > CYGINT_IO_ETH_MULTICAST , but I can't find it in 'common ethernet > support' of 'I/O sub-system' , can anyone help me? Thanks.
In order to support IPV6, the ethernet interface you are using must support multicast. Probably the ethernet driver you are using does not have multicast, so is not implementing the interface CYGINT_IO_ETH_MULTICAST. Andrew -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss