net: hns3: flower: validate control flags

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This driver currently doesn't support any control flags.

Use flow_rule_has_control_flags() to check for control flags,
such as can be set through `tc flower ... ip_flags frag`.

In case any control flags are masked, flow_rule_has_control_flags()
sets a NL extended error message, and we return -EOPNOTSUPP.

Also propagate extack to hclge_get_cls_key_ip(), and convert it to
return error code.

Only compile-tested.

Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Tested-by: Jijie Shao <shaojijie@huawei.com>
Link: https://lore.kernel.org/r/20240422152717.175659-1-ast@fiberby.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Asbjørn Sloth Tønnesen 2024-04-22 15:27:16 +00:00 • committed by Jakub Kicinski

parent f97e0a5eac

commit e199a5b29f

1 changed files with 15 additions and 3 deletions

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drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

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