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Message-ID: <20230127130830.1481526-4-steen.hegelund@microchip.com>
Date:   Fri, 27 Jan 2023 14:08:25 +0100
From:   Steen Hegelund <steen.hegelund@...rochip.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
CC:     Steen Hegelund <steen.hegelund@...rochip.com>,
        <UNGLinuxDriver@...rochip.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        "Casper Andersson" <casper.casan@...il.com>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Wan Jiabing <wanjiabing@...o.com>,
        "Nathan Huckleberry" <nhuck@...gle.com>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        "Steen Hegelund" <Steen.Hegelund@...rochip.com>,
        Daniel Machon <daniel.machon@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Dan Carpenter <error27@...il.com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH net-next 3/8] net: microchip: sparx5: Improve error message when parsing CVLAN filter

This improves the error message when a TC filter with CVLAN tag is used and
the selected VCAP instance does not support this.

Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
---
 drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
index 8982c434cf54..f9922b35ee33 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
@@ -325,8 +325,11 @@ sparx5_tc_flower_handler_cvlan_usage(struct sparx5_tc_flower_parse_usage *st)
 	u16 tpid;
 	int err;
 
-	if (st->admin->vtype != VCAP_TYPE_IS0)
+	if (st->admin->vtype != VCAP_TYPE_IS0) {
+		NL_SET_ERR_MSG_MOD(st->fco->common.extack,
+				   "cvlan not supported in this VCAP");
 		return -EINVAL;
+	}
 
 	flow_rule_match_cvlan(st->frule, &mt);
 
-- 
2.39.1

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