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 A65F1428D4; Wed, 5 Apr 2023 16:26:37 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id DE04642D42; Wed, 5 Apr 2023 16:25:55 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by mails.dpdk.org (Postfix) with ESMTP id B088042C54 for ; Wed, 5 Apr 2023 16:25:54 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 335EBFh2017887 for ; Wed, 5 Apr 2023 07:25:54 -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=g2oSSYSpuEb/nji/hRmb6a8FMC/OU5kIgE8gDyDC0XA=; b=XzrUQ0ZQXeJAkK/h3lOJJJdhluk0p/bfuWlTCNXhFpN6t6KIvzNs1yClJ28oYBfbBjIe 5z4IlbByy34qDW1VWpmfcF3c9UKsZifE4pG6XiF+aGOmk5m3A3/+puPCcBVLSu6YdUbr VXwVFuOUmONtivhizRrW5y9JwV3K35QiT05bFxwxqd7BP860luAwMUIePYCD9BcOuo4J cg+liN1ILrKq0molgmcG7izROjdLl7Xx3Lu1FrRrPkvN3ML+QJQQfp4Pc2VCZ0TRd5K5 Fr9tOwxo/kKvSVPZizYOGWcLIzA1wNPPf20afpWgupNaJN6AGot+a2m8miW8KnYNMEdN 6w== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3prpnd5gsg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Wed, 05 Apr 2023 07:25:53 -0700 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 15.0.1497.48; Wed, 5 Apr 2023 07:25:51 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Wed, 5 Apr 2023 07:25:51 -0700 Received: from localhost.marvell.com (unknown [10.106.27.249]) by maili.marvell.com (Postfix) with ESMTP id 799813F7050; Wed, 5 Apr 2023 07:25:51 -0700 (PDT) From: Sathesh Edara To: , , , "Radha Mohan Chintakuntla" , Veerasenareddy Burru CC: Subject: [PATCH v2 07/10] net/octeon_ep: update queue size checks Date: Wed, 5 Apr 2023 07:25:33 -0700 Message-ID: <20230405142537.1899973-8-sedara@marvell.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230405142537.1899973-1-sedara@marvell.com> References: <20230404141855.1025625-2-sedara@marvell.com> <20230405142537.1899973-1-sedara@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-ORIG-GUID: UYkMd460S4KayJEjJNG2CM4s4jr9s0aV X-Proofpoint-GUID: UYkMd460S4KayJEjJNG2CM4s4jr9s0aV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-05_09,2023-04-05_01,2023-02-09_01 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org This patch updates the output queue size checks to ensure that queue is larger than backpressure watermark.Add setting of default queue sizes to the minimum so that applications like testpmd can be started without explicit queue size arguments. Signed-off-by: Sathesh Edara --- drivers/net/octeon_ep/otx_ep_common.h | 9 +++++++-- drivers/net/octeon_ep/otx_ep_ethdev.c | 12 ++++++++++-- drivers/net/octeon_ep/otx_ep_rxtx.h | 4 ++-- 3 files changed, 19 insertions(+), 6 deletions(-) diff --git a/drivers/net/octeon_ep/otx_ep_common.h b/drivers/net/octeon_ep/otx_ep_common.h index 1d9da5954e..3beec71968 100644 --- a/drivers/net/octeon_ep/otx_ep_common.h +++ b/drivers/net/octeon_ep/otx_ep_common.h @@ -11,8 +11,13 @@ #define OTX_EP_MAX_RINGS_PER_VF (8) #define OTX_EP_CFG_IO_QUEUES OTX_EP_MAX_RINGS_PER_VF #define OTX_EP_64BYTE_INSTR (64) -#define OTX_EP_MIN_IQ_DESCRIPTORS (128) -#define OTX_EP_MIN_OQ_DESCRIPTORS (128) +/* + * Backpressure for SDP is configured on Octeon, and the minimum queue sizes + * must be much larger than the backpressure watermark configured in the Octeon + * SDP driver. IQ and OQ backpressure configurations are separate. + */ +#define OTX_EP_MIN_IQ_DESCRIPTORS (2048) +#define OTX_EP_MIN_OQ_DESCRIPTORS (2048) #define OTX_EP_MAX_IQ_DESCRIPTORS (8192) #define OTX_EP_MAX_OQ_DESCRIPTORS (8192) #define OTX_EP_OQ_BUF_SIZE (2048) diff --git a/drivers/net/octeon_ep/otx_ep_ethdev.c b/drivers/net/octeon_ep/otx_ep_ethdev.c index 30a7a450fb..0f710b1ffa 100644 --- a/drivers/net/octeon_ep/otx_ep_ethdev.c +++ b/drivers/net/octeon_ep/otx_ep_ethdev.c @@ -48,6 +48,9 @@ otx_ep_dev_info_get(struct rte_eth_dev *eth_dev, devinfo->rx_desc_lim = otx_ep_rx_desc_lim; devinfo->tx_desc_lim = otx_ep_tx_desc_lim; + devinfo->default_rxportconf.ring_size = OTX_EP_MIN_OQ_DESCRIPTORS; + devinfo->default_txportconf.ring_size = OTX_EP_MIN_IQ_DESCRIPTORS; + return 0; } @@ -274,8 +277,8 @@ otx_ep_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no, return -EINVAL; } if (num_rx_descs < (SDP_GBL_WMARK * 8)) { - otx_ep_err("Invalid rx desc number should at least be greater than 8xwmark %u\n", - num_rx_descs); + otx_ep_err("Invalid rx desc number(%u) should at least be greater than 8xwmark %u\n", + num_rx_descs, (SDP_GBL_WMARK * 8)); return -EINVAL; } @@ -357,6 +360,11 @@ otx_ep_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no, num_tx_descs); return -EINVAL; } + if (num_tx_descs < (SDP_GBL_WMARK * 8)) { + otx_ep_err("Invalid tx desc number(%u) should at least be greater than 8*wmark(%u)\n", + num_tx_descs, (SDP_GBL_WMARK * 8)); + return -EINVAL; + } retval = otx_ep_setup_iqs(otx_epvf, q_no, num_tx_descs, socket_id); diff --git a/drivers/net/octeon_ep/otx_ep_rxtx.h b/drivers/net/octeon_ep/otx_ep_rxtx.h index 1527d350b5..7012888100 100644 --- a/drivers/net/octeon_ep/otx_ep_rxtx.h +++ b/drivers/net/octeon_ep/otx_ep_rxtx.h @@ -7,8 +7,8 @@ #include -#define OTX_EP_RXD_ALIGN 1 -#define OTX_EP_TXD_ALIGN 1 +#define OTX_EP_RXD_ALIGN 2 +#define OTX_EP_TXD_ALIGN 2 #define OTX_EP_IQ_SEND_FAILED (-1) #define OTX_EP_IQ_SEND_SUCCESS (0) -- 2.31.1