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    Subject[RFC PATCH net-next 1/4] net: introduce backup_classid to struct skbuff

    introduce backup_classid to struct skbuff,
    we can use it to backup sk_classid when net_ns switch.

    Signed-off-by: Libo Chen <clbchenlibo.chen@huawei.com>
    ---
    include/linux/skbuff.h | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
    index c5cd016..b76e871 100644
    --- a/include/linux/skbuff.h
    +++ b/include/linux/skbuff.h
    @@ -492,6 +492,9 @@ struct sk_buff {
    #ifdef CONFIG_NET_CLS_ACT
    __u16 tc_verd; /* traffic control verdict */
    #endif
    +#ifdef CONFIG_NET_CLS_CGROUP
    + __u32 backup_classid;
    +#endif
    #endif

    __u16 queue_mapping;
    --
    1.8.2.2



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