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From: Steen Hegelund <steen.hegelund@microchip.com>
To: "David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: Steen Hegelund <steen.hegelund@microchip.com>,
	<UNGLinuxDriver@microchip.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	"Casper Andersson" <casper.casan@gmail.com>,
	Russell King <rmk+kernel@armlinux.org.uk>,
	Wan Jiabing <wanjiabing@vivo.com>,
	"Nathan Huckleberry" <nhuck@google.com>,
	<linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	"Steen Hegelund" <Steen.Hegelund@microchip.com>,
	Daniel Machon <daniel.machon@microchip.com>,
	Horatiu Vultur <horatiu.vultur@microchip.com>,
	Lars Povlsen <lars.povlsen@microchip.com>,
	Dan Carpenter <error27@gmail.com>,
	Michael Walle <michael@walle.cc>
Subject: [PATCH net-next 02/10] net: microchip: sparx5: Clear rule counter even if lookup is disabled
Date: Mon, 13 Feb 2023 10:24:18 +0100	[thread overview]
Message-ID: <20230213092426.1331379-3-steen.hegelund@microchip.com> (raw)
In-Reply-To: <20230213092426.1331379-1-steen.hegelund@microchip.com>

The rule counter must be cleared when creating a new rule, even if the VCAP
lookup is currently disabled.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
---
 drivers/net/ethernet/microchip/vcap/vcap_api.c       | 7 +++++--
 drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c | 4 ++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api.c b/drivers/net/ethernet/microchip/vcap/vcap_api.c
index 6307d59f23da..68e04d47f6fd 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api.c
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api.c
@@ -2246,6 +2246,11 @@ int vcap_add_rule(struct vcap_rule *rule)
 	if (move.count > 0)
 		vcap_move_rules(ri, &move);
 
+	/* Set the counter to zero */
+	ret = vcap_write_counter(ri, &ctr);
+	if (ret)
+		goto out;
+
 	if (ri->state == VCAP_RS_DISABLED) {
 		/* Erase the rule area */
 		ri->vctrl->ops->init(ri->ndev, ri->admin, ri->addr, ri->size);
@@ -2264,8 +2269,6 @@ int vcap_add_rule(struct vcap_rule *rule)
 		pr_err("%s:%d: rule write error: %d\n", __func__, __LINE__, ret);
 		goto out;
 	}
-	/* Set the counter to zero */
-	ret = vcap_write_counter(ri, &ctr);
 out:
 	mutex_unlock(&ri->admin->lock);
 	return ret;
diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
index b2753aac8ad2..0a1d4d740567 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
@@ -1337,8 +1337,8 @@ static void vcap_api_encode_rule_test(struct kunit *test)
 	u32 port_mask_rng_mask = 0x0f;
 	u32 igr_port_mask_value = 0xffabcd01;
 	u32 igr_port_mask_mask = ~0;
-	/* counter is written as the last operation */
-	u32 expwriteaddr[] = {792, 793, 794, 795, 796, 797, 792};
+	/* counter is written as the first operation */
+	u32 expwriteaddr[] = {792, 792, 793, 794, 795, 796, 797};
 	int idx;
 
 	vcap_test_api_init(&is2_admin);
-- 
2.39.1


  parent reply	other threads:[~2023-02-13  9:25 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-13  9:24 [PATCH net-next 00/10] Adding Sparx5 ES0 VCAP support Steen Hegelund
2023-02-13  9:24 ` [PATCH net-next 01/10] net: microchip: sparx5: Discard frames with SMAC multicast addresses Steen Hegelund
2023-02-13  9:24 ` Steen Hegelund [this message]
2023-02-13 11:29   ` [PATCH net-next 02/10] net: microchip: sparx5: Clear rule counter even if lookup is disabled Dan Carpenter
2023-02-13 12:44     ` Steen Hegelund
2023-02-13 15:06       ` Dan Carpenter
2023-02-13 15:32         ` Steen Hegelund
2023-02-13 15:38           ` Dan Carpenter
2023-02-13  9:24 ` [PATCH net-next 03/10] net: microchip: sparx5: Egress VLAN TPID configuration follows IFH Steen Hegelund
2023-02-13  9:24 ` [PATCH net-next 04/10] net: microchip: sparx5: Use chain ids without offsets when enabling rules Steen Hegelund
2023-02-13 11:05   ` Dan Carpenter
2023-02-13 12:48     ` Steen Hegelund
2023-02-13 15:07       ` Dan Carpenter
2023-02-13 15:13         ` Dan Carpenter
2023-02-13 15:46           ` Steen Hegelund
2023-02-13  9:24 ` [PATCH net-next 05/10] net: microchip: sparx5: Improve the error handling for linked rules Steen Hegelund
2023-02-13  9:24 ` [PATCH net-next 06/10] net: microchip: sparx5: Add ES0 VCAP model and updated KUNIT VCAP model Steen Hegelund
2023-02-13  9:24 ` [PATCH net-next 07/10] net: microchip: sparx5: Updated register interface with VCAP ES0 access Steen Hegelund
2023-02-13  9:24 ` [PATCH net-next 08/10] net: microchip: sparx5: Add ES0 VCAP keyset configuration for Sparx5 Steen Hegelund
2023-02-13  9:24 ` [PATCH net-next 09/10] net: microchip: sparx5: Add TC support for the ES0 VCAP Steen Hegelund
2023-02-13  9:24 ` [PATCH net-next 10/10] net: microchip: sparx5: Add TC vlan action " Steen Hegelund
2023-02-13 11:03   ` Dan Carpenter
2023-02-13 12:50     ` Steen Hegelund

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