From patchwork Fri May 24 14:49:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lance Richardson X-Patchwork-Id: 53682 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 87EB81B94B; Fri, 24 May 2019 16:50:10 +0200 (CEST) Received: from mail-pl1-f193.google.com (mail-pl1-f193.google.com [209.85.214.193]) by dpdk.org (Postfix) with ESMTP id 2F32D2C2F for ; Fri, 24 May 2019 16:50:06 +0200 (CEST) Received: by mail-pl1-f193.google.com with SMTP id gn7so4254094plb.10 for ; Fri, 24 May 2019 07:50:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=z1sCqpinLghG0/BOREmO4WZBYz3Ak2cTmVnxdOH7xSg=; b=LB7ogUR3VmglKgCV1HzRQbVRLSeg9sd9CauWe+xuKoT9FaGd8w3buJsaMu2t3IutVH kty85j4khnO3UttR4VN0OlQ8WAjC39WnaYuiizNn70TwUfdbQacig0dXnQVcqb0ItHfZ HHiK6MbUxDeQNUwvT4YH2o5LEdjzI2+oKZCP0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=z1sCqpinLghG0/BOREmO4WZBYz3Ak2cTmVnxdOH7xSg=; b=pGCK1BiAa4ooavmw5IL+CVyWxl8O59vMS9V1NgpE9YSrS4Qy4SF+J5s550BNkUaV4Y H3hpuRIayAYnId9OHgspVN+pgTEViDdPGFRRU8J03/GIVCAume5TXabOr0sTRLbcZTyU JGtRFvM3CQaNa77pqr7oypjDkGlJG8Ldvfwnsj2ux4VyZgTArlCDBCGzvmO9h21Li8eB M7Oo2ZZsV/lAaOzHaaSQXCN73Rooyrg8MXSULe0dKAGWBbb0ummyZiNUxj2SfCvEQWiE JUvTGPfGeuLxkSBIfn8/Q5opHQh/XybId6iPH9ggB8H2e/w9PgTMoGgoRrxs+bbWctF1 C6OQ== X-Gm-Message-State: APjAAAV4rM6jJpyHDaRuDNq2Izh4vZEk3WUpt5+2iKmWmELQwCHXFt5X wjg7iiispwzoairYp1Fd2UOnbW1IqO/VObUPRcdyVdQPgXN2qMU64XXvrsZXlXi1GiCY4XMnJBM h/ooD/eJlER1Mx6QiJ99+Uv5ltUCY44CPwQqfUVtXgwEPNrjYeMP1NWfAmBmduha3 X-Google-Smtp-Source: APXvYqyQJVY8n/8LGnSCqJWjEjBcZ1Vu2KwmzdlKzilC+eIvCmjBAt7KxNS0X3SBo94MoTrSElTlyw== X-Received: by 2002:a17:902:9343:: with SMTP id g3mr106140154plp.260.1558709405213; Fri, 24 May 2019 07:50:05 -0700 (PDT) Received: from localhost.localdomain ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id x23sm2723705pfn.160.2019.05.24.07.50.03 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 24 May 2019 07:50:04 -0700 (PDT) From: Lance Richardson To: dev@dpdk.org Cc: ajit.khaparde@broadcom.com, ferruh.yigit@intel.com, maxime.coquelin@redhat.com, Lance Richardson Date: Fri, 24 May 2019 10:49:27 -0400 Message-Id: <20190524144935.18765-3-lance.richardson@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190524144935.18765-1-lance.richardson@broadcom.com> References: <20190521213953.25425-1-ajit.khaparde@broadcom.com> <20190524144935.18765-1-lance.richardson@broadcom.com> Subject: [dpdk-dev] [PATCH v2 02/10] net/bnxt: compute and store scattered RX status 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" In preparation for a bnxt vector-mode driver, compute and store scattered_rx status for the device when started. Signed-off-by: Lance Richardson Reviewed-by: Ajit Khaparde Reviewed-by: Maxime Coquelin --- drivers/net/bnxt/bnxt_ethdev.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index da0de211d..e0e0b72c6 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -624,6 +624,27 @@ static int bnxt_dev_lsc_intr_setup(struct rte_eth_dev *eth_dev) return 0; } +/* + * Determine whether the current configuration requires support for scattered + * receive; return 1 if scattered receive is required and 0 if not. + */ +static int bnxt_scattered_rx(struct rte_eth_dev *eth_dev) +{ + uint16_t buf_size; + int i; + + for (i = 0; i < eth_dev->data->nb_rx_queues; i++) { + struct bnxt_rx_queue *rxq = eth_dev->data->rx_queues[i]; + + buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mb_pool) - + RTE_PKTMBUF_HEADROOM); + if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len + + VLAN_TAG_SIZE * BNXT_NUM_VLANS > buf_size) + return 1; + } + return 0; +} + static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev) { struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; @@ -642,6 +663,8 @@ static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev) if (rc) goto error; + eth_dev->data->scattered_rx = bnxt_scattered_rx(eth_dev); + bnxt_link_update_op(eth_dev, 1); if (rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)