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net: qede: flower: validate control flags

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This driver currently doesn't support any control flags.

Use flow_rule_match_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_match_has_control_flags()
sets a NL extended error message, and we return -EOPNOTSUPP.

Only compile-tested.

Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240511073705.230507-1-ast@fiberby.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Asbjørn Sloth Tønnesen 2024-05-11 07:37:03 +00:00 committed by Jakub Kicinski
parent f4edb4de3f
commit 486ffc33c2
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/qlogic/qede/qede_filter.c
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@ -1848,6 +1848,9 @@ qede_parse_flow_attr(__be16 proto, struct flow_rule *rule,
return -EOPNOTSUPP;
}
if (flow_rule_match_has_control_flags(rule, extack))
return -EOPNOTSUPP;
if (proto != htons(ETH_P_IP) &&
proto != htons(ETH_P_IPV6)) {
NL_SET_ERR_MSG_FMT_MOD(extack, "Unsupported proto=0x%x",