net: hns3: add supports pfc storm detection and suppression

driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6QRKC


CVE: NA

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To solve the problem of abnormal transmission of pauses or PFC frames,
the IMP periodically checks the transmission and reception status of
packets. If a pause frame storm occurs, the pause storm response of
the MAC address is disabled for a period of time.

Signed-off-by: Tian Jiang <jiangtian6@h-partners.com>
Signed-off-by: shaojijie <shaojijie@huawei.com>
Signed-off-by: Jiantao Xiao <xiaojiantao1@h-partners.com>