net/mlx4_en: Don't allow aRFS for encapsulated packets

stable inclusion
from stable-5.10.70
commit c2598bce4152516c329934e1bfc192ce0df01a75
bugzilla: 182949 https://gitee.com/openeuler/kernel/issues/I4I3GQ

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c2598bce4152516c329934e1bfc192ce0df01a75



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[ Upstream commit fdbccea4 ]

Driver doesn't support aRFS for encapsulated packets, return early error
in such a case.

Fixes: 1eb8c695 ("net/mlx4_en: Add accelerated RFS support")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Acked-by: Weilong Chen <chenweilong@huawei.com>

Signed-off-by: Chen Jun <chenjun102@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>