From patchwork Fri Jan 20 09:08:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steen Hegelund X-Patchwork-Id: 13109459 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 4E9F0C05027 for ; Fri, 20 Jan 2023 09:09:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229492AbjATJJq (ORCPT ); Fri, 20 Jan 2023 04:09:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229730AbjATJJj (ORCPT ); Fri, 20 Jan 2023 04:09:39 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D12D68C92E; Fri, 20 Jan 2023 01:09:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1674205752; x=1705741752; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8lCPPz7hDN1kRShpGAVgRQOxdgiEW3gmijidfBXGoIY=; b=YgyBZ0wic7kVTzWO01OHn3Z31TqJqw5NOSEKwSOHPhzJVJvQBndDYpN6 16MsU8N3VbbeE9r4Yn/Xw3/vrLUOjb7RM7PzE7S5Fo/DUWm/JxQ29htMV 07s2jFHdpxaGsWQ/piPl+zQmsnSUOGVa0jiMN+i3QXkG2BKB9ZfhxaCNg N6BFcLn+wIVxjwErsqD2t31cCpVVxEdcHUFuR+D7oOWS0S7jqP1cpMrxl o/IJHg0bOGpd+xMfTsTm68r4sTu/kWXTETil/3uEOlN/K9jEU6rl0Kwsl MHe8iEF8YDSgTUqiM33U6nSN/vUwH+DBUrJDO/zrFj8OvSkRGhvnPSJNz Q==; X-IronPort-AV: E=Sophos;i="5.97,231,1669100400"; d="scan'208";a="193122601" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 20 Jan 2023 02:09:10 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Fri, 20 Jan 2023 02:09:06 -0700 Received: from den-dk-m31857.microchip.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.16 via Frontend Transport; Fri, 20 Jan 2023 02:09:02 -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 , Michael Walle Subject: [PATCH net-next 7/8] net: microchip: sparx5: Add support for IS0 VCAP ethernet protocol types Date: Fri, 20 Jan 2023 10:08:30 +0100 Message-ID: <20230120090831.20032-8-steen.hegelund@microchip.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230120090831.20032-1-steen.hegelund@microchip.com> References: <20230120090831.20032-1-steen.hegelund@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org This allows the IS0 VCAP to have its own list of supported ethernet protocol types matching what is supported by the VCAPs port lookup classification. Signed-off-by: Steen Hegelund --- .../microchip/sparx5/sparx5_tc_flower.c | 24 +--------- .../microchip/sparx5/sparx5_vcap_impl.c | 46 ++++++++++++++++--- .../microchip/sparx5/sparx5_vcap_impl.h | 3 ++ 3 files changed, 43 insertions(+), 30 deletions(-) diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c index 3875b5bc984f..9e613dc5b868 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c @@ -36,16 +36,6 @@ struct sparx5_tc_flower_parse_usage { unsigned int used_keys; }; -/* These protocols have dedicated keysets in IS2 and a TC dissector - * ETH_P_ARP does not have a TC dissector - */ -static u16 sparx5_tc_known_etypes[] = { - ETH_P_ALL, - ETH_P_ARP, - ETH_P_IP, - ETH_P_IPV6, -}; - enum sparx5_is2_arp_opcode { SPX5_IS2_ARP_REQUEST, SPX5_IS2_ARP_REPLY, @@ -59,18 +49,6 @@ enum tc_arp_opcode { TC_ARP_OP_REPLY, }; -static bool sparx5_tc_is_known_etype(u16 etype) -{ - int idx; - - /* For now this only knows about IS2 traffic classification */ - for (idx = 0; idx < ARRAY_SIZE(sparx5_tc_known_etypes); ++idx) - if (sparx5_tc_known_etypes[idx] == etype) - return true; - - return false; -} - static int sparx5_tc_flower_handler_ethaddr_usage(struct sparx5_tc_flower_parse_usage *st) { enum vcap_key_field smac_key = VCAP_KF_L2_SMAC; @@ -273,7 +251,7 @@ sparx5_tc_flower_handler_basic_usage(struct sparx5_tc_flower_parse_usage *st) if (mt.mask->n_proto) { st->l3_proto = be16_to_cpu(mt.key->n_proto); - if (!sparx5_tc_is_known_etype(st->l3_proto)) { + if (!sparx5_vcap_is_known_etype(st->admin, st->l3_proto)) { err = vcap_rule_add_key_u32(st->vrule, VCAP_KF_ETYPE, st->l3_proto, ~0); if (err) diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.c b/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.c index cceb4301103b..6165518ed0f2 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.c @@ -106,6 +106,21 @@ static struct sparx5_vcap_inst { }, }; +/* These protocols have dedicated keysets in IS0 and a TC dissector */ +static u16 sparx5_vcap_is0_known_etypes[] = { + ETH_P_ALL, + ETH_P_IP, + ETH_P_IPV6, +}; + +/* These protocols have dedicated keysets in IS2 and a TC dissector */ +static u16 sparx5_vcap_is2_known_etypes[] = { + ETH_P_ALL, + ETH_P_ARP, + ETH_P_IP, + ETH_P_IPV6, +}; + static void sparx5_vcap_type_err(struct sparx5 *sparx5, struct vcap_admin *admin, const char *fname) @@ -277,10 +292,6 @@ static int sparx5_vcap_is0_get_port_keysets(struct net_device *ndev, value = spx5_rd(sparx5, ANA_CL_ADV_CL_CFG(portno, lookup)); - /* Check if the port keyset selection is enabled */ - if (!ANA_CL_ADV_CL_CFG_LOOKUP_ENA_GET(value)) - return -ENOENT; - /* Collect all keysets for the port in a list */ if (l3_proto == ETH_P_ALL) sparx5_vcap_is0_get_port_etype_keysets(keysetlist, value); @@ -333,10 +344,7 @@ static int sparx5_vcap_is2_get_port_keysets(struct net_device *ndev, int portno = port->portno; u32 value; - /* Check if the port keyset selection is enabled */ value = spx5_rd(sparx5, ANA_ACL_VCAP_S2_KEY_SEL(portno, lookup)); - if (!ANA_ACL_VCAP_S2_KEY_SEL_KEY_SEL_ENA_GET(value)) - return -ENOENT; /* Collect all keysets for the port in a list */ if (l3_proto == ETH_P_ALL || l3_proto == ETH_P_ARP) { @@ -456,6 +464,30 @@ int sparx5_vcap_get_port_keyset(struct net_device *ndev, return err; } +/* Check if the ethertype is supported by the vcap port classification */ +bool sparx5_vcap_is_known_etype(struct vcap_admin *admin, u16 etype) +{ + const u16 *known_etypes; + int size, idx; + + switch (admin->vtype) { + case VCAP_TYPE_IS0: + known_etypes = sparx5_vcap_is0_known_etypes; + size = ARRAY_SIZE(sparx5_vcap_is0_known_etypes); + break; + case VCAP_TYPE_IS2: + known_etypes = sparx5_vcap_is2_known_etypes; + size = ARRAY_SIZE(sparx5_vcap_is2_known_etypes); + break; + default: + break; + } + for (idx = 0; idx < size; ++idx) + if (known_etypes[idx] == etype) + return true; + return false; +} + /* API callback used for validating a field keyset (check the port keysets) */ static enum vcap_keyfield_set sparx5_vcap_validate_keyset(struct net_device *ndev, diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.h b/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.h index 80c99b0d50e7..aabdf4355103 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.h +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.h @@ -136,4 +136,7 @@ int sparx5_vcap_get_port_keyset(struct net_device *ndev, u16 l3_proto, struct vcap_keyset_list *kslist); +/* Check if the ethertype is supported by the vcap port classification */ +bool sparx5_vcap_is_known_etype(struct vcap_admin *admin, u16 etype); + #endif /* __SPARX5_VCAP_IMPL_H__ */