Assume all statistics in ip(8) represented either by IFLA_STATS64 or
IFLA_STATS is 64 bit. It is clean that we can store __u32 counters of
@struct rtnl_link_stats in __u64 counters in @struct rtnl_link_stats64.
New get_rtnl_link_stats_rta() follows __print_link_stats() behaviour on
handling of stats attribute: copy no more than size of data structure
and no less than attribute length zeroing rest.
Drop print_link_stats32() as it's functionality can be handled by 64bit
variant. Move code from __print_link_stats() to print_link_stats64() and
finally rename print_link_stats64() to __print_link_stats().
More users of introduced function will come in future.
Signed-off-by: Serhey Popovych <serhe.popovych@gmail.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
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