From patchwork Mon Jul 22 13:05:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kanas X-Patchwork-Id: 56879 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 7CA171BF8D; Mon, 22 Jul 2019 15:06:15 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by dpdk.org (Postfix) with ESMTP id D1CD91BF8C for ; Mon, 22 Jul 2019 15:06:13 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x6MD5NUd027466 for ; Mon, 22 Jul 2019 06:06:12 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=pfpt0818; bh=TefhrQmvBpSpiPRqVJYb1g/kT3+i5nccNdBRAf7OLOk=; b=JE3wif1nm1/zGq5PDla8/buRGuiuTjVBy7EHbMjQkJgk3/X+qTr9eCZGEo7xVTvAwpAi Tie1wzLoERQh29i7hDFmFwxOsO7RCrMkXmBUM5UwWMqLZWkInVvkfkTb9ou3Snspj8gV r5Payt8sJ5KwaYIFN9A0ytRIYCVvCQ8qWFQsOVd12dIsE4HTf6fHJb9WjBXO2bbhBPzt MgYEy3rRt/463ZHjkCwkGjGI5yTurJsNEEfmPT0y7AlevUUq9Q8BafLUKC9lIaWmBw/b ydMydFibfXpR7YGlEu8S3O+sRghdWklbTWcc1z08Vs9IDsLxP9OkgzBtLec9kft22CeJ BA== Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0a-0016f401.pphosted.com with ESMTP id 2tv0any42a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Mon, 22 Jul 2019 06:06:12 -0700 Received: from SC-EXCH03.marvell.com (10.93.176.83) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 22 Jul 2019 06:06:11 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Mon, 22 Jul 2019 06:06:11 -0700 Received: from kk-box-0.marvell.com (unknown [10.95.131.152]) by maili.marvell.com (Postfix) with ESMTP id EBF4F3F703F; Mon, 22 Jul 2019 06:06:09 -0700 (PDT) From: To: , Jerin Jacob , Nithin Dabilpuram , Kiran Kumar K CC: Krzysztof Kanas Date: Mon, 22 Jul 2019 15:05:58 +0200 Message-ID: <20190722130558.13063-1-kkanas@marvell.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:5.22.84,1.0.8 definitions=2019-07-22_10:2019-07-22,2019-07-22 signatures=0 Subject: [dpdk-dev] [PATCH] net/octeontx2: fix driver reconfiguration X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Krzysztof Kanas When configure returns error, e.g. in case not supported offloads (outer ip and sctp) driver released Rx,Tx queues. Then in case of correct configuration the driver could not start due to queues already released but the driver thought it was configured correctly. Secondly if driver returns error from configuration librte_ethdev will release, rx queues and tx queues, without chaining driver configured state. Fix that by 'releasing' configuration and changing driver state when error is returned from otx2_nix_configure. Fixes: 548b5839a32b ("net/octeontx2: add device configure operation") Signed-off-by: Krzysztof Kanas Reviewed-by: Jerin Jacob Kollanukkaran Reviewed-by: Nithin Kumar Dabilpuram --- drivers/net/octeontx2/otx2_ethdev.c | 65 +++++++++++++++++------------ 1 file changed, 38 insertions(+), 27 deletions(-) diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c index fcb1869d5871..e6f81c4c9fec 100644 --- a/drivers/net/octeontx2/otx2_ethdev.c +++ b/drivers/net/octeontx2/otx2_ethdev.c @@ -1185,38 +1185,46 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) /* Sanity checks */ if (rte_eal_has_hugepages() == 0) { otx2_err("Huge page is not configured"); - goto fail; + goto fail_configure; } if (rte_eal_iova_mode() != RTE_IOVA_VA) { otx2_err("iova mode should be va"); - goto fail; + goto fail_configure; } if (conf->link_speeds & ETH_LINK_SPEED_FIXED) { otx2_err("Setting link speed/duplex not supported"); - goto fail; + goto fail_configure; } if (conf->dcb_capability_en == 1) { otx2_err("dcb enable is not supported"); - goto fail; + goto fail_configure; } if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) { otx2_err("Flow director is not supported"); - goto fail; + goto fail_configure; } if (rxmode->mq_mode != ETH_MQ_RX_NONE && rxmode->mq_mode != ETH_MQ_RX_RSS) { otx2_err("Unsupported mq rx mode %d", rxmode->mq_mode); - goto fail; + goto fail_configure; } if (txmode->mq_mode != ETH_MQ_TX_NONE) { otx2_err("Unsupported mq tx mode %d", txmode->mq_mode); - goto fail; + goto fail_configure; + } + + if (otx2_dev_is_A0(dev) && + (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) && + ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) || + (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) { + otx2_err("Outer IP and SCTP checksum unsupported"); + goto fail_configure; } /* Free the resources allocated from the previous configure */ @@ -1230,20 +1238,11 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) nix_set_nop_rxtx_function(eth_dev); rc = nix_store_queue_cfg_and_then_release(eth_dev); if (rc) - goto fail; + goto fail_configure; otx2_nix_tm_fini(eth_dev); nix_lf_free(dev); } - if (otx2_dev_is_Ax(dev) && - (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) && - ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) || - (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) { - otx2_err("Outer IP and SCTP checksum unsupported"); - rc = -EINVAL; - goto fail; - } - dev->rx_offloads = rxmode->offloads; dev->tx_offloads = txmode->offloads; dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev); @@ -1257,7 +1256,7 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) rc = nix_lf_alloc(dev, nb_rxq, nb_txq); if (rc) { otx2_err("Failed to init nix_lf rc=%d", rc); - goto fail; + goto fail_offloads; } /* Configure RSS */ @@ -1277,14 +1276,14 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) rc = otx2_nix_vlan_offload_init(eth_dev); if (rc) { otx2_err("Failed to init vlan offload rc=%d", rc); - goto free_nix_lf; + goto tm_fini; } /* Register queue IRQs */ rc = oxt2_nix_register_queue_irqs(eth_dev); if (rc) { otx2_err("Failed to register queue interrupts rc=%d", rc); - goto free_nix_lf; + goto vlan_fini; } /* Register cq IRQs */ @@ -1292,7 +1291,7 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) if (eth_dev->data->nb_rx_queues > dev->cints) { otx2_err("Rx interrupt cannot be enabled, rxq > %d", dev->cints); - goto free_nix_lf; + goto q_irq_fini; } /* Rx interrupt feature cannot work with vector mode because, * vector mode doesn't process packets unless min 4 pkts are @@ -1304,7 +1303,7 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) rc = oxt2_nix_register_cq_irqs(eth_dev); if (rc) { otx2_err("Failed to register CQ interrupts rc=%d", rc); - goto free_nix_lf; + goto q_irq_fini; } } @@ -1312,13 +1311,13 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) rc = cgx_intlbk_enable(dev, eth_dev->data->dev_conf.lpbk_mode); if (rc) { otx2_err("Failed to configure cgx loop back mode rc=%d", rc); - goto free_nix_lf; + goto q_irq_fini; } rc = otx2_nix_rxchan_bpid_cfg(eth_dev, true); if (rc) { otx2_err("Failed to configure nix rx chan bpid cfg rc=%d", rc); - goto free_nix_lf; + goto q_irq_fini; } /* Enable PTP if it was requested by the app or if it is already @@ -1338,7 +1337,7 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) if (dev->configured == 1) { rc = nix_restore_queue_cfg(eth_dev); if (rc) - goto free_nix_lf; + goto cq_fini; } /* Update the mac address */ @@ -1362,9 +1361,21 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) dev->configured_nb_tx_qs = data->nb_tx_queues; return 0; +cq_fini: + oxt2_nix_unregister_cq_irqs(eth_dev); +q_irq_fini: + oxt2_nix_unregister_queue_irqs(eth_dev); +vlan_fini: + otx2_nix_vlan_fini(eth_dev); +tm_fini: + otx2_nix_tm_fini(eth_dev); free_nix_lf: - rc = nix_lf_free(dev); -fail: + nix_lf_free(dev); +fail_offloads: + dev->rx_offload_flags &= ~nix_rx_offload_flags(eth_dev); + dev->tx_offload_flags &= ~nix_tx_offload_flags(eth_dev); +fail_configure: + dev->configured = 0; return rc; }