From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id AB2A642B8C for ; Wed, 24 May 2023 12:04:25 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A3FCF42D3D; Wed, 24 May 2023 12:04:25 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by mails.dpdk.org (Postfix) with ESMTP id DEDCE42D3A; Wed, 24 May 2023 12:04:23 +0200 (CEST) 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 34O4qkcr025799; Wed, 24 May 2023 03:04:23 -0700 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=5i/IaoIyazB/pztADepzup2UCsXXaLvQ9O24IvPVhnc=; b=O8kpJsTdHlGdB+qJ3fA59/5cGt2PTFVXZ5rKNYXEJTXgDiExYmvShI5DcS5h5Y8wfCjZ IVhWDbk8wnAAhHRYiP1tPuUJM49yg4nFzFCUkgOoPp9CIWVi5XBJjHnEejeKwlfYHRkl Zwi3u/ADoOP28Fu57VsGPaT5e5LMYeIpl8G/wcmef0miLpnXgqS1e3iT6XFzGF06iv1A KgsMXY2Xa6/ZeumLhag06Xd1gtFd4Tmt7cMPT7QRFuyE4JwVIU0ayAOfTHqo3cjiPhlU 6Ro8P53Ee0QOPRzQVHeRppbOjDMpZ1XsCRm/izfGH/g8WOHTDgiiK6UPn1WWe/HzrGcj 5g== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3qsbxes2p5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 24 May 2023 03:04:22 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Wed, 24 May 2023 03:04:21 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Wed, 24 May 2023 03:04:21 -0700 Received: from hyd1588t430.caveonetworks.com (unknown [10.29.52.204]) by maili.marvell.com (Postfix) with ESMTP id B317C3F70B3; Wed, 24 May 2023 03:04:18 -0700 (PDT) From: Nithin Dabilpuram To: Nithin Kumar Dabilpuram , Kiran Kumar K , Sunil Kumar Kori , Satha Rao CC: , , Rahul Bhansali , Subject: [PATCH v2 03/32] common/cnxk: fix CPT backpressure disable on LBK Date: Wed, 24 May 2023 15:33:38 +0530 Message-ID: <20230524100407.3796139-3-ndabilpuram@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230524100407.3796139-1-ndabilpuram@marvell.com> References: <20230411091144.1087887-1-ndabilpuram@marvell.com> <20230524100407.3796139-1-ndabilpuram@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-ORIG-GUID: nrWAmMLHp5Ake8Co0A8I--pQOmx8RGcK X-Proofpoint-GUID: nrWAmMLHp5Ake8Co0A8I--pQOmx8RGcK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-24_05,2023-05-23_02,2023-05-22_02 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org From: Rahul Bhansali For LBK interfaces, roc_nix_inl_inb_is_enabled() is false, hence backpressure on CPT is disabled and causing CQ full interrupt. NIXX_AF_RX_CHAN[0x800]_CFG is global config for all PF, VF of RPM/LBK, hence backpressure disable on CPT is not required. Fixes: 0663a84524e ("common/cnxk: enable backpressure on CPT with inline inbound") cc: stable@dpdk.org Signed-off-by: Rahul Bhansali --- drivers/common/cnxk/roc_nix_fc.c | 18 ++---------------- 1 file changed, 2 insertions(+), 16 deletions(-) diff --git a/drivers/common/cnxk/roc_nix_fc.c b/drivers/common/cnxk/roc_nix_fc.c index 8b7659fb9a..19334b1eb0 100644 --- a/drivers/common/cnxk/roc_nix_fc.c +++ b/drivers/common/cnxk/roc_nix_fc.c @@ -87,25 +87,11 @@ nix_fc_rxchan_bpid_set(struct roc_nix *roc_nix, bool enable) if (rc) goto exit; nix->cpt_lbpid = rsp->chan_bpid[0] & 0x1FF; - } else { - req = mbox_alloc_msg_nix_cpt_bp_disable(mbox); - if (req == NULL) - goto exit; - req->chan_base = 0; - if (roc_nix_is_lbk(roc_nix) || roc_nix_is_sdp(roc_nix)) - req->chan_cnt = NIX_LBK_MAX_CHAN; - else - req->chan_cnt = NIX_CGX_MAX_CHAN; - req->bpid_per_chan = 0; - - rc = mbox_process_msg(mbox, (void *)&rsp); - if (rc) - goto exit; - nix->cpt_lbpid = 0; } /* CPT to NIX BP on all channels */ - if (!roc_feature_nix_has_rxchan_multi_bpid() || !nix->cpt_nixbpid) + if (!roc_feature_nix_has_rxchan_multi_bpid() || !nix->cpt_nixbpid || + !roc_nix_inl_inb_is_enabled(roc_nix)) goto exit; mbox_put(mbox); -- 2.25.1