net/ipv6: Defer initialization of dst to data path
Defer setting dst input, output and error until fib entry is copied. The reject path from ip6_route_info_create is moved to a new function ip6_rt_init_dst_reject with a helper doing the conversion from fib6_type to dst error. The remainder of the new ip6_rt_init_dst is an amalgamtion of dst code from addrconf_dst_alloc and the non-reject path of ip6_route_info_create. The dst output function is always ip6_output and the input function is either ip6_input (local routes), ip6_mc_input (multicast routes) or ip6_forward (anything else). A couple of places using dst.error are updated to look at rt6i_flags. Signed-off-by:David Ahern <dsahern@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
5e670d84
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