net: hns3: refactor the debugfs for dumping FD tcam

driver inclusion
category:feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I62HX2



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On version HNAE3_DEVICE_VERSION_V2, the tcam table entry of the FD is
obtained by traversing the list recorded by the driver.

On version HNAE3_DEVICE_VERSION_V3, a new usage mode of FD is supported,
called Queue bond mode. In this mode, the hardware automatically creates
rules and the driver does not record the flow table entry.

So we needs to check the validity of the entry by traversing the entire
hardware entry to dump out the QB tcam table.

Signed-off-by: liaoguojia <liaoguojia@huawei.com>
Signed-off-by: Jiantao Xiao <xiaojiantao1@h-partners.com>
Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>