From patchwork Fri Apr 12 11:01:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gagandeep Singh X-Patchwork-Id: 52695 X-Patchwork-Delegate: ferruh.yigit@amd.com 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 707081B131; Fri, 12 Apr 2019 13:02:02 +0200 (CEST) Received: from EUR03-VE1-obe.outbound.protection.outlook.com (mail-eopbgr50044.outbound.protection.outlook.com [40.107.5.44]) by dpdk.org (Postfix) with ESMTP id BF4895F34 for ; Fri, 12 Apr 2019 13:01:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=GRszbgTBblG2qUsNml0WJOLvK1uH2a8lEuvGp7EUVFs=; b=vbibkuyOFZ9/Jxluou4FoFiaoBAsQJKYvhdWGdP3IovJUXKtq6CPLy6j6hj9979p69z14oJa7eEAnMl386JlZReH//aYuK8fkcSkPkBCfmSw0bbDKsI5Px9aBSxTEmXKQFMjRrWL6jE2wK856Fw4a3PSYk0ibhAkTAU/YO9amQ0= Received: from VE1PR04MB6365.eurprd04.prod.outlook.com (10.255.118.78) by VE1PR04MB6384.eurprd04.prod.outlook.com (20.179.232.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1792.18; Fri, 12 Apr 2019 11:01:50 +0000 Received: from VE1PR04MB6365.eurprd04.prod.outlook.com ([fe80::f5ad:f178:4c55:13e0]) by VE1PR04MB6365.eurprd04.prod.outlook.com ([fe80::f5ad:f178:4c55:13e0%3]) with mapi id 15.20.1792.016; Fri, 12 Apr 2019 11:01:50 +0000 From: Gagandeep Singh To: "dev@dpdk.org" , "ferruh.yigit@intel.com" CC: Gagandeep Singh Thread-Topic: [PATCH v3 11/13] net/enetc: enable CRC offload feature Thread-Index: AQHU8R8hnJ0kBD1a6UuXA7meUEk/YQ== Date: Fri, 12 Apr 2019 11:01:50 +0000 Message-ID: <20190412105105.24351-12-g.singh@nxp.com> References: <1555075598-4988-1-git-send-email-g.singh@nxp.com> <20190412105105.24351-1-g.singh@nxp.com> In-Reply-To: <20190412105105.24351-1-g.singh@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: TYAPR01CA0204.jpnprd01.prod.outlook.com (2603:1096:404:29::24) To VE1PR04MB6365.eurprd04.prod.outlook.com (2603:10a6:803:12a::14) x-mailer: git-send-email 2.17.1 authentication-results: spf=none (sender IP is ) smtp.mailfrom=G.Singh@nxp.com; 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DIR:OUT; SFP:1101; SCL:1; SRVR:VE1PR04MB6384; H:VE1PR04MB6365.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: RnxOGA5cZFfXObt1O4Xhr3LXvlf/mcSYLsThVmQt7RwRXslgGPE2JjxdXMQERJxdM66rXLAihmCH++E/DsbRl2HExJAMHe+/RwPjwBypYIvcHiXtHZKFeG/5C7HxxF43g9q12YEhEHcVpytqAZx8d/g1dwuXhMul/LvkC9e3bO5zAGqryjEuUHdlf/xGBwQ7ObK3+liM2ts1WXI3XHaBQmXNQOWjnpXZMYY9a7KrIw6kRLtgQdqdbKGladsWKI0ELHyz8aFh4UPOnENiwZsfx+kyty3ki0UvGJGLBLM6o/uhwNJg7ra4GZlFOLYOAo95HxohdRUG6Tc8TCI0XmAuXDix+K+wIXDd7IdVcSuuK6aHsBzk94vK36Ewa/yv7gsKZtujO0/7TmDh8WJpmv2LKwV0/ohF686jfsNp7bYoM9w= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 63ffbc65-ed6b-4f2c-316a-08d6bf364323 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Apr 2019 11:01:50.3258 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6384 Subject: [dpdk-dev] [PATCH v3 11/13] net/enetc: enable CRC offload feature 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" CRC offload keep feature supported Signed-off-by: Gagandeep Singh --- doc/guides/nics/enetc.rst | 1 + doc/guides/nics/features/enetc.ini | 1 + drivers/net/enetc/base/enetc_hw.h | 1 + drivers/net/enetc/enetc.h | 1 + drivers/net/enetc/enetc_ethdev.c | 20 +++++++++++++++++--- drivers/net/enetc/enetc_rxtx.c | 6 ++++-- 6 files changed, 25 insertions(+), 5 deletions(-) diff --git a/doc/guides/nics/enetc.rst b/doc/guides/nics/enetc.rst index 26d61f6..2620460 100644 --- a/doc/guides/nics/enetc.rst +++ b/doc/guides/nics/enetc.rst @@ -52,6 +52,7 @@ ENETC Features - Jumbo packets - Queue Start/Stop - Deferred Queue Start +- CRC offload NIC Driver (PMD) ~~~~~~~~~~~~~~~~ diff --git a/doc/guides/nics/features/enetc.ini b/doc/guides/nics/features/enetc.ini index bd901fa..101dc0a 100644 --- a/doc/guides/nics/features/enetc.ini +++ b/doc/guides/nics/features/enetc.ini @@ -12,6 +12,7 @@ Allmulticast mode = Y MTU update = Y Jumbo frame = Y Queue start/stop = Y +CRC offload = Y Linux VFIO = Y ARMv8 = Y Usage doc = Y diff --git a/drivers/net/enetc/base/enetc_hw.h b/drivers/net/enetc/base/enetc_hw.h index 2eb1df3..261ad15 100644 --- a/drivers/net/enetc/base/enetc_hw.h +++ b/drivers/net/enetc/base/enetc_hw.h @@ -97,6 +97,7 @@ #define ENETC_PM0_CMD_CFG 0x08008 #define ENETC_PM0_TX_EN BIT(0) #define ENETC_PM0_RX_EN BIT(1) +#define ENETC_PM0_CRC BIT(6) #define ENETC_PM0_MAXFRM 0x08014 #define ENETC_SET_TX_MTU(val) ((val) << 16) diff --git a/drivers/net/enetc/enetc.h b/drivers/net/enetc/enetc.h index e494eb8..8c830a5 100644 --- a/drivers/net/enetc/enetc.h +++ b/drivers/net/enetc/enetc.h @@ -69,6 +69,7 @@ struct enetc_bdr { void *tcisr; /* Tx */ int next_to_alloc; /* Rx */ }; + uint8_t crc_len; /* 0 if CRC stripped, 4 otherwise */ }; /* diff --git a/drivers/net/enetc/enetc_ethdev.c b/drivers/net/enetc/enetc_ethdev.c index ff9301e..ffae8ae 100644 --- a/drivers/net/enetc/enetc_ethdev.c +++ b/drivers/net/enetc/enetc_ethdev.c @@ -162,7 +162,9 @@ dev_info->max_rx_queues = MAX_RX_RINGS; dev_info->max_tx_queues = MAX_TX_RINGS; dev_info->max_rx_pktlen = ENETC_MAC_MAXFRM_SIZE; - dev_info->rx_offload_capa = DEV_RX_OFFLOAD_JUMBO_FRAME; + dev_info->rx_offload_capa = + (DEV_RX_OFFLOAD_KEEP_CRC | + DEV_RX_OFFLOAD_JUMBO_FRAME); } static int @@ -378,6 +380,7 @@ struct rte_eth_dev_data *data = dev->data; struct enetc_eth_adapter *adapter = ENETC_DEV_PRIVATE(data->dev_private); + uint64_t rx_offloads = data->dev_conf.rxmode.offloads; PMD_INIT_FUNC_TRACE(); if (nb_rx_desc > MAX_BD_COUNT) @@ -410,6 +413,9 @@ RTE_ETH_QUEUE_STATE_STOPPED; } + rx_ring->crc_len = (uint8_t)((rx_offloads & DEV_RX_OFFLOAD_KEEP_CRC) ? + ETHER_CRC_LEN : 0); + return 0; fail: rte_free(rx_ring); @@ -625,11 +631,11 @@ int enetc_stats_get(struct rte_eth_dev *dev, static int enetc_dev_configure(struct rte_eth_dev *dev) { - struct rte_eth_conf *eth_conf = &dev->data->dev_conf; - uint64_t rx_offloads = eth_conf->rxmode.offloads; struct enetc_eth_hw *hw = ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct enetc_hw *enetc_hw = &hw->hw; + struct rte_eth_conf *eth_conf = &dev->data->dev_conf; + uint64_t rx_offloads = eth_conf->rxmode.offloads; PMD_INIT_FUNC_TRACE(); @@ -647,6 +653,14 @@ int enetc_stats_get(struct rte_eth_dev *dev, dev->data->mtu = ETHER_MAX_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN; } + if (rx_offloads & DEV_RX_OFFLOAD_KEEP_CRC) { + int config; + + config = enetc_port_rd(enetc_hw, ENETC_PM0_CMD_CFG); + config |= ENETC_PM0_CRC; + enetc_port_wr(enetc_hw, ENETC_PM0_CMD_CFG, config); + } + return 0; } diff --git a/drivers/net/enetc/enetc_rxtx.c b/drivers/net/enetc/enetc_rxtx.c index 42f16ca..4a758d2 100644 --- a/drivers/net/enetc/enetc_rxtx.c +++ b/drivers/net/enetc/enetc_rxtx.c @@ -208,8 +208,10 @@ static inline void __attribute__((hot)) if (!bd_status) break; - rx_swbd->buffer_addr->pkt_len = rxbd->r.buf_len; - rx_swbd->buffer_addr->data_len = rxbd->r.buf_len; + rx_swbd->buffer_addr->pkt_len = rxbd->r.buf_len - + rx_ring->crc_len; + rx_swbd->buffer_addr->data_len = rxbd->r.buf_len - + rx_ring->crc_len; rx_swbd->buffer_addr->hash.rss = rxbd->r.rss_hash; rx_swbd->buffer_addr->ol_flags = 0; enetc_dev_rx_parse(rx_swbd->buffer_addr,