net: hns3: extract macro to simplify ring stats update code

[ Upstream commit e6d72f6a

 ]

As the code to update ring stats is alike for different ring stats
type, this patch extract macro to simplify ring stats update code.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 7d89b53c

 ("net: hns3: fix miss L3E checking for rx packet")
Signed-off-by: Sasha Levin <sashal@kernel.org>