From patchwork Mon Jan 31 19:43:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiraz Saleem X-Patchwork-Id: 12731068 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 08707C433FE for ; Mon, 31 Jan 2022 19:43:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377287AbiAaTne (ORCPT ); Mon, 31 Jan 2022 14:43:34 -0500 Received: from mga03.intel.com ([134.134.136.65]:38309 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230238AbiAaTnd (ORCPT ); Mon, 31 Jan 2022 14:43:33 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643658213; x=1675194213; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=S63BXheSpHFtx85d/p+Xa7MyM+PygaUaRr6coJ1rhxk=; b=PDt6Yu+KppKnRklAedXTdBBN08FikkZOXrRnKLFbcYa8RWMS80u/Qao+ pUsy1jfFS8Jxm+OgCVP8Ty04ivTI/isrqv3nR56H1tgSMKtuBA53S8bDs tJROAskZJc2fLJeqB8+0IoSPUv1/DTC6ANjwPLAdPkh34nhsGtN53hSnj tuliyEQvQAh+gwUxCtPauyY6Fihoho3GoLj8gD4krDUfS9BbQHCM6tXy7 Z+c1c2aU2UovD+csB8QbKWu9JyszYPn5iPS5QBHerT0zEfXBy481zSE1A NYl0L9a4qMc+30xdVysqdS0fRukr6HUxvA8PG7nxoPIqfyMxMzeiS4JSi g==; X-IronPort-AV: E=McAfee;i="6200,9189,10244"; a="247489711" X-IronPort-AV: E=Sophos;i="5.88,331,1635231600"; d="scan'208";a="247489711" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jan 2022 11:43:33 -0800 X-IronPort-AV: E=Sophos;i="5.88,331,1635231600"; d="scan'208";a="537448410" Received: from ssaleem-mobl.amr.corp.intel.com ([10.255.33.15]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jan 2022 11:43:33 -0800 From: Shiraz Saleem To: linux-rdma@vger.kernel.org, netdev@vger.kernel.org Cc: Dave Ertman , Shiraz Saleem Subject: [PATCH for-next 1/3] net/ice: add support for DSCP QoS for IIDC Date: Mon, 31 Jan 2022 13:43:14 -0600 Message-Id: <20220131194316.1528-2-shiraz.saleem@intel.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20220131194316.1528-1-shiraz.saleem@intel.com> References: <20220131194316.1528-1-shiraz.saleem@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Dave Ertman The ice driver provides QoS information to auxiliary drivers through the exported function ice_get_qos_params. This function doesn't currently support L3 DSCP QoS. Add the necessary defines, structure elements and code to support DSCP QoS through the IIDC functions. Signed-off-by: Dave Ertman Signed-off-by: Tony Nguyen Signed-off-by: Shiraz Saleem --- drivers/net/ethernet/intel/ice/ice_idc.c | 5 +++++ include/linux/net/intel/iidc.h | 5 +++++ 2 files changed, 10 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice_idc.c b/drivers/net/ethernet/intel/ice/ice_idc.c index fc35801..263a2e7 100644 --- a/drivers/net/ethernet/intel/ice/ice_idc.c +++ b/drivers/net/ethernet/intel/ice/ice_idc.c @@ -227,6 +227,11 @@ void ice_get_qos_params(struct ice_pf *pf, struct iidc_qos_params *qos) for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) qos->tc_info[i].rel_bw = dcbx_cfg->etscfg.tcbwtable[i]; + + qos->pfc_mode = dcbx_cfg->pfc_mode; + if (qos->pfc_mode == IIDC_DSCP_PFC_MODE) + for (i = 0; i < IIDC_MAX_DSCP_MAPPING; i++) + qos->dscp_map[i] = dcbx_cfg->dscp_map[i]; } EXPORT_SYMBOL_GPL(ice_get_qos_params); diff --git a/include/linux/net/intel/iidc.h b/include/linux/net/intel/iidc.h index 1289593..fee9180 100644 --- a/include/linux/net/intel/iidc.h +++ b/include/linux/net/intel/iidc.h @@ -32,6 +32,9 @@ enum iidc_rdma_protocol { }; #define IIDC_MAX_USER_PRIORITY 8 +#define IIDC_MAX_DSCP_MAPPING 64 +#define IIDC_VLAN_PFC_MODE 0x0 +#define IIDC_DSCP_PFC_MODE 0x1 /* Struct to hold per RDMA Qset info */ struct iidc_rdma_qset_params { @@ -60,6 +63,8 @@ struct iidc_qos_params { u8 vport_relative_bw; u8 vport_priority_type; u8 num_tc; + u8 pfc_mode; + u8 dscp_map[IIDC_MAX_DSCP_MAPPING]; }; struct iidc_event {