From patchwork Fri Dec 2 07:56:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Horatiu Vultur X-Patchwork-Id: 13062335 X-Patchwork-Delegate: kuba@kernel.org 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C179C4332F for ; Fri, 2 Dec 2022 07:52:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232634AbiLBHwV (ORCPT ); Fri, 2 Dec 2022 02:52:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58880 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232500AbiLBHvj (ORCPT ); Fri, 2 Dec 2022 02:51:39 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED1AAA06C5; Thu, 1 Dec 2022 23:51:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1669967498; x=1701503498; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5bmNXCaH4WkjF1B9qtqchebaca/+53Y+sh38HZJtfrI=; b=l4TxX1mfdgfex8Z1nCITDJN86kkYAOwBwoamRZS/WQnSpSWVzSBNn4c8 Mbfyf6DuT4DVw8AcmHf1T9n3ObliO4TrhXKWHIbv2ZKTTdNhn3vraJU0+ yx7lFbm9dkrAR2qEimJfehJqRMLRDIxplX0jDu/93xCtnNwWzYP0Htk+f FtRak2A99kR/laaaVDlEKb+F3CaJZvjo/tDJf6QXAkgRr9HHyXjkiOwO2 cn+FlfM758h8+hFp/vyVzpgfXlUrdQzanrP5CmKCykg2lFfngiCrQ9GDE ppFOfpnU053WQVUEGlFOm3rVT8fToFK//hdTGKDg8B9iPL92yGcyD49Jv w==; X-IronPort-AV: E=Sophos;i="5.96,210,1665471600"; d="scan'208";a="126141906" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 02 Dec 2022 00:51:38 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.12; Fri, 2 Dec 2022 00:51:30 -0700 Received: from soft-dev3-1.microsemi.net (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.12 via Frontend Transport; Fri, 2 Dec 2022 00:51:27 -0700 From: Horatiu Vultur To: , , CC: , , , , , , , , , , Horatiu Vultur Subject: [PATCH net-next v2 2/4] net: microchip: vcap: Add vcap_mod_rule Date: Fri, 2 Dec 2022 08:56:19 +0100 Message-ID: <20221202075621.1504908-3-horatiu.vultur@microchip.com> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20221202075621.1504908-1-horatiu.vultur@microchip.com> References: <20221202075621.1504908-1-horatiu.vultur@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Add the function vcap_mod_rule which allows to update an existing rule in the vcap. It is required for the rule to exist in the vcap to be able to modify it. Signed-off-by: Horatiu Vultur --- .../net/ethernet/microchip/vcap/vcap_api.c | 36 +++++++++++++++++++ .../ethernet/microchip/vcap/vcap_api_client.h | 2 ++ 2 files changed, 38 insertions(+) diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api.c b/drivers/net/ethernet/microchip/vcap/vcap_api.c index 27128313f15f1..eae4e9fe0e147 100644 --- a/drivers/net/ethernet/microchip/vcap/vcap_api.c +++ b/drivers/net/ethernet/microchip/vcap/vcap_api.c @@ -1955,6 +1955,42 @@ struct vcap_rule *vcap_get_rule(struct vcap_control *vctrl, u32 id) } EXPORT_SYMBOL_GPL(vcap_get_rule); +/* Update existing rule */ +int vcap_mod_rule(struct vcap_rule *rule) +{ + struct vcap_rule_internal *ri = to_intrule(rule); + struct vcap_counter ctr; + int err; + + err = vcap_api_check(ri->vctrl); + if (err) + return err; + + if (!vcap_lookup_rule(ri->vctrl, ri->data.id)) + return -ENOENT; + + mutex_lock(&ri->admin->lock); + /* Encode the bitstreams to the VCAP cache */ + vcap_erase_cache(ri); + err = vcap_encode_rule(ri); + if (err) + goto out; + + err = vcap_write_rule(ri); + if (err) + goto out; + + memset(&ctr, 0, sizeof(ctr)); + err = vcap_write_counter(ri, &ctr); + if (err) + goto out; + +out: + mutex_unlock(&ri->admin->lock); + return err; +} +EXPORT_SYMBOL_GPL(vcap_mod_rule); + /* Return the alignment offset for a new rule address */ static int vcap_valid_rule_move(struct vcap_rule_internal *el, int offset) { diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api_client.h b/drivers/net/ethernet/microchip/vcap/vcap_api_client.h index a354dcd741e22..fdfc5d58813bb 100644 --- a/drivers/net/ethernet/microchip/vcap/vcap_api_client.h +++ b/drivers/net/ethernet/microchip/vcap/vcap_api_client.h @@ -172,6 +172,8 @@ int vcap_del_rule(struct vcap_control *vctrl, struct net_device *ndev, u32 id); struct vcap_rule *vcap_copy_rule(struct vcap_rule *rule); /* Get rule from a VCAP instance */ struct vcap_rule *vcap_get_rule(struct vcap_control *vctrl, u32 id); +/* Update existing rule */ +int vcap_mod_rule(struct vcap_rule *rule); /* Update the keyset for the rule */ int vcap_set_rule_set_keyset(struct vcap_rule *rule,