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由 Daniel Borkmann 提交于
Currently, the tc_classid from eBPF skb context is write-only, but there's no good reason for tc programs to limit it to write-only. For example, it can be used to transfer its state via tail calls where the resulting tc_classid gets filled gradually. Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Acked-by: NAlexei Starovoitov <ast@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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