From: "Asbjørn Sloth Tønnesen" <ast@fiberby.net>
To: netdev@vger.kernel.org
Cc: "Asbjørn Sloth Tønnesen" <ast@fiberby.net>,
linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>, "Felix Fietkau" <nbd@nbd.name>,
"Sean Wang" <sean.wang@mediatek.com>,
"Mark Lee" <Mark-MC.Lee@mediatek.com>,
"Lorenzo Bianconi" <lorenzo@kernel.org>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: [PATCH net-next] net: ethernet: mtk_eth_soc: flower: validate control flags
Date: Thu, 18 Apr 2024 16:18:15 +0000 [thread overview]
Message-ID: <20240418161821.189263-1-ast@fiberby.net> (raw)
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.
Only compile-tested.
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
---
drivers/net/ethernet/mediatek/mtk_ppe_offload.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
index fbb5e9d5af13..aa262e6f4b85 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
@@ -273,6 +273,10 @@ mtk_flow_offload_replace(struct mtk_eth *eth, struct flow_cls_offload *f,
flow_rule_match_control(rule, &match);
addr_type = match.key->addr_type;
+
+ if (flow_rule_has_control_flags(match.mask->flags,
+ f->common.extack))
+ return -EOPNOTSUPP;
} else {
return -EOPNOTSUPP;
}
--
2.43.0
next reply other threads:[~2024-04-18 16:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-18 16:18 Asbjørn Sloth Tønnesen [this message]
2024-04-19 12:30 ` [PATCH net-next] net: ethernet: mtk_eth_soc: flower: validate control flags Simon Horman
2024-04-23 0:53 ` patchwork-bot+netdevbpf
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