From patchwork Thu Jan 12 04:41:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srujana Challa X-Patchwork-Id: 13097528 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 354C6C54EBC for ; Thu, 12 Jan 2023 04:43:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239489AbjALEnS (ORCPT ); Wed, 11 Jan 2023 23:43:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236584AbjALEme (ORCPT ); Wed, 11 Jan 2023 23:42:34 -0500 Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93A7DDF1F for ; Wed, 11 Jan 2023 20:42:17 -0800 (PST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30C3xh2u004841; Wed, 11 Jan 2023 20:42:12 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=sEqiRpmSJHk+r/mLJ0syfwGrgE/Xez82s9VTJeYLOGg=; b=NhUxx7Frh+ay0QB2lD+KJDKaF9nikpYCaQKo2PFtrdr4n+InAxabRlJQ3p3hPh/nk0XD +tAQC06ZGggkReOTlV3yqwpDpn0LyGi2zpbjcLCC8xg/gxFoAVLn5NIEZpmX/e7bU4mR V68BirZ87tbc9MM3EVHlZT0PdAXBU68jy15RSOkJFKTWvcOqNPbi35bTaD2X9NfQuMiV 2yKtls2ikqycEYvdJ8treHJTuZBC2StnDhBqpSOAa54lhm3TPWq3RxHR59rIgNNM/gX1 flMFvXbli6mOqyf4+PelWIUr3oybECu95SD5wK2HIAzoGjB2zqur95MiT4NgaupcDcXJ rg== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3n23b2gsdb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 11 Jan 2023 20:42:12 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 11 Jan 2023 20:42:11 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.42 via Frontend Transport; Wed, 11 Jan 2023 20:42:10 -0800 Received: from localhost.localdomain (unknown [10.28.36.175]) by maili.marvell.com (Postfix) with ESMTP id 5EB973F7092; Wed, 11 Jan 2023 20:42:07 -0800 (PST) From: Srujana Challa To: CC: , , , , , , , , , , , Nithin Dabilpuram Subject: [PATCH v2 net-next,5/8] octeontx2-af: restore rxc conf after teardown sequence Date: Thu, 12 Jan 2023 10:11:44 +0530 Message-ID: <20230112044147.931159-6-schalla@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230112044147.931159-1-schalla@marvell.com> References: <20230112044147.931159-1-schalla@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: 0uIrGxsii8efiUM8dl2LTF6yZ9sI1gQr X-Proofpoint-ORIG-GUID: 0uIrGxsii8efiUM8dl2LTF6yZ9sI1gQr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2023-01-12_02,2023-01-11_03,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Nithin Dabilpuram Restore rxc timeout and threshold config after teardown sequence is complete as it is global config and not per CPT LF. Signed-off-by: Nithin Dabilpuram --- .../ethernet/marvell/octeontx2/af/rvu_cpt.c | 22 +++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c index f970cb9b0bff..302ff549284e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c @@ -812,10 +812,21 @@ int rvu_mbox_handler_cpt_sts(struct rvu *rvu, struct cpt_sts_req *req, #define RXC_ZOMBIE_COUNT GENMASK_ULL(60, 48) static void cpt_rxc_time_cfg(struct rvu *rvu, struct cpt_rxc_time_cfg_req *req, - int blkaddr) + int blkaddr, struct cpt_rxc_time_cfg_req *save) { u64 dfrg_reg; + if (save) { + /* Save older config */ + dfrg_reg = rvu_read64(rvu, blkaddr, CPT_AF_RXC_DFRG); + save->zombie_thres = FIELD_GET(RXC_ZOMBIE_THRES, dfrg_reg); + save->zombie_limit = FIELD_GET(RXC_ZOMBIE_LIMIT, dfrg_reg); + save->active_thres = FIELD_GET(RXC_ACTIVE_THRES, dfrg_reg); + save->active_limit = FIELD_GET(RXC_ACTIVE_LIMIT, dfrg_reg); + + save->step = rvu_read64(rvu, blkaddr, CPT_AF_RXC_TIME_CFG); + } + dfrg_reg = FIELD_PREP(RXC_ZOMBIE_THRES, req->zombie_thres); dfrg_reg |= FIELD_PREP(RXC_ZOMBIE_LIMIT, req->zombie_limit); dfrg_reg |= FIELD_PREP(RXC_ACTIVE_THRES, req->active_thres); @@ -840,7 +851,7 @@ int rvu_mbox_handler_cpt_rxc_time_cfg(struct rvu *rvu, !is_cpt_vf(rvu, req->hdr.pcifunc)) return CPT_AF_ERR_ACCESS_DENIED; - cpt_rxc_time_cfg(rvu, req, blkaddr); + cpt_rxc_time_cfg(rvu, req, blkaddr, NULL); return 0; } @@ -886,7 +897,7 @@ int rvu_mbox_handler_cpt_lf_reset(struct rvu *rvu, struct cpt_lf_rst_req *req, static void cpt_rxc_teardown(struct rvu *rvu, int blkaddr) { - struct cpt_rxc_time_cfg_req req; + struct cpt_rxc_time_cfg_req req, prev; int timeout = 2000; u64 reg; @@ -902,7 +913,7 @@ static void cpt_rxc_teardown(struct rvu *rvu, int blkaddr) req.active_thres = 1; req.active_limit = 1; - cpt_rxc_time_cfg(rvu, &req, blkaddr); + cpt_rxc_time_cfg(rvu, &req, blkaddr, &prev); do { reg = rvu_read64(rvu, blkaddr, CPT_AF_RXC_ACTIVE_STS); @@ -928,6 +939,9 @@ static void cpt_rxc_teardown(struct rvu *rvu, int blkaddr) if (timeout == 0) dev_warn(rvu->dev, "Poll for RXC zombie count hits hard loop counter\n"); + + /* Restore config */ + cpt_rxc_time_cfg(rvu, &prev, blkaddr, NULL); } #define INFLIGHT GENMASK_ULL(8, 0)