From patchwork Wed Dec 21 13:25:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steen Hegelund X-Patchwork-Id: 13078783 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 22B71C4332F for ; Wed, 21 Dec 2022 13:35:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hQrDFwKwYoNI7ODDMSlA4hxkwBJwg794Zr3lgPirxD4=; b=Gjig5UoTFDAcOK V4xcUvaJCF2b8BdDWVpjeRBV6B+fF5iCqfe9BSmW4qMG5AlTGGuTeqviL/JE++a1HP9lTdEW885u6 xbYa73WOO76eAkwgNjgLzH9FNwcnPh7yIOpOp3IahvgPuZ0lY6CeoUtlahYW4pEQCPzYB6PlqxEax zwhwlZVpnBJvWRgTSUNr61cP65bZxLh6IoAmnIeDzimEzyMiJTNEoDDvV67AAGDAO8IQWopzzeCx5 VLVsC3jfd98SZw4JRQyEfY3t2E0750gvqk1ZNWbNIE52HZoTCjVo4CQtvZxGGUOeGoXhXAyt5rD8p 27vhSpbCTgvBg0rwYEXg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p7zEM-00F7eb-Ms; Wed, 21 Dec 2022 13:33:59 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p7z6J-00F33s-N2 for linux-arm-kernel@lists.infradead.org; Wed, 21 Dec 2022 13:25:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1671629139; x=1703165139; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Jn6Qh4EKzF9+AlWQ2VgROJSkdvNeDO0+z00VKMoS2gg=; b=JNTTlZwzMQDnpsGKBSmi6L5SMUqPJeidycM9v/WsmQ7ZZB28JTSxOmNH Hjk7RrqTnc4ooHKZ5NZz8xxBs/DcNmhMWDb7MV4A0Ui1cQce+L6MTbyWt FvqZFY8hqibel2k9cy92gnHdwTL9wZC8wCmcNz1orog59lxB/PzPmUnbp kR1kU6Kf31W4E3bUTuAYx4nsFboJ9CqYqv6B1n41tZRmeM4b+NDVj5kUJ c6X1i4GFW8nDI2OVJpXSlE3bqJnBiupbUbZufe0/eufC5D2y8WbyGEMaW dS9+hCWu0ItKBFlqfTCVRfsOuXpZIT+y9mDxJp417jlIrhcjr0bAt3ZUb g==; X-IronPort-AV: E=Sophos;i="5.96,262,1665471600"; d="scan'208";a="193965097" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 21 Dec 2022 06:25:35 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Wed, 21 Dec 2022 06:25:34 -0700 Received: from den-dk-m31857.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.16 via Frontend Transport; Wed, 21 Dec 2022 06:25:31 -0700 From: Steen Hegelund To: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni CC: Steen Hegelund , , Randy Dunlap , "Casper Andersson" , Russell King , Wan Jiabing , "Nathan Huckleberry" , , , , "Steen Hegelund" , Daniel Machon , Horatiu Vultur , Lars Povlsen , Dan Carpenter Subject: [PATCH net 2/8] net: microchip: sparx5: Reset VCAP counter for new rules Date: Wed, 21 Dec 2022 14:25:11 +0100 Message-ID: <20221221132517.2699698-3-steen.hegelund@microchip.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221221132517.2699698-1-steen.hegelund@microchip.com> References: <20221221132517.2699698-1-steen.hegelund@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221221_052539_812007_A48A2654 X-CRM114-Status: GOOD ( 13.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org When a rule counter is external to the VCAP such as the Sparx5 IS2 counters are, then this counter must be reset when a new rule is created. Signed-off-by: Steen Hegelund --- drivers/net/ethernet/microchip/vcap/vcap_api.c | 3 +++ drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api.c b/drivers/net/ethernet/microchip/vcap/vcap_api.c index b9b6432f4094..67e0a3d9103a 100644 --- a/drivers/net/ethernet/microchip/vcap/vcap_api.c +++ b/drivers/net/ethernet/microchip/vcap/vcap_api.c @@ -1808,6 +1808,7 @@ int vcap_add_rule(struct vcap_rule *rule) { struct vcap_rule_internal *ri = to_intrule(rule); struct vcap_rule_move move = {0}; + struct vcap_counter ctr = {0}; int ret; ret = vcap_api_check(ri->vctrl); @@ -1833,6 +1834,8 @@ int vcap_add_rule(struct vcap_rule *rule) ret = vcap_write_rule(ri); if (ret) pr_err("%s:%d: rule write error: %d\n", __func__, __LINE__, ret); + /* 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 76a31215ebfb..944de5cb9114 100644 --- a/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c +++ b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c @@ -1343,8 +1343,8 @@ 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 not written yet, so it is not in expwriteaddr */ - u32 expwriteaddr[] = {792, 793, 794, 795, 796, 797, 0}; + /* counter is written as the last operation */ + u32 expwriteaddr[] = {792, 793, 794, 795, 796, 797, 792}; int idx; vcap_test_api_init(&is2_admin);