From patchwork Tue Feb 16 20:35:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Boyer X-Patchwork-Id: 87952 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 87ACAA054D; Tue, 16 Feb 2021 21:37:17 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B6EE41607F8; Tue, 16 Feb 2021 21:36:15 +0100 (CET) Received: from mail-pj1-f51.google.com (mail-pj1-f51.google.com [209.85.216.51]) by mails.dpdk.org (Postfix) with ESMTP id 037A31607E9 for ; Tue, 16 Feb 2021 21:36:12 +0100 (CET) Received: by mail-pj1-f51.google.com with SMTP id lw17so343818pjb.0 for ; Tue, 16 Feb 2021 12:36:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pensando.io; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=V9VjYlSVf32bhSmUdw4SxVRm/unR0FmVoWPnEw8Hl0k=; b=ibVbvuK33GUiwP+hoDrNVHxo1SJLaA2N0QL7tkEVoZ+3UDg1+Ufr99cG57I4Az2btZ EQuv1YSEcg/vdEY8WJQCV8Fm5wK3goY11ciPRI1kzjwVUCfPG6agVD+zknmRDbr7LUC4 M1Q0sgvAg7/F9JVC3/naSTwbFDp2Pj9Ie/oRyw1Ksbprag5D0Hnbc3ds2ZYTTr+b1lm3 XEjnQc/AKGwnVAP5k2RvttadvDMOTiuWbQPZzT9tFin0zbss7dX+WKu7A4uHlmeRLYqL ukK+1XH+i+WFHaee/O0+34vKSpzectmcxtBil3XgddACPL8LwqxbEdDmyLlHKc89K27V 4djQ== 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:in-reply-to:references; bh=V9VjYlSVf32bhSmUdw4SxVRm/unR0FmVoWPnEw8Hl0k=; b=hiXM+a+ZxaggW6sh24NeHeyfk8j2oMa+u6h72d51tH2Zgh0ND/mM5H3E4MUUIsfrjZ y0tEzUkutHHk/EfQbJjeYN1ZAQnCieDwZzQNdtdIfjNBj0u3C+Z3XDux1ySD8jHXzMf/ n8XE0Q+aVd7vMM6Q5Iqi382T7X8a+lB5nM19/PgFVVB6vru9zD54jxaa/WBuZJchTgI1 yLGI70jMbn8f3xlQKVAv8D1/PXvWAZkGZQYRdFeXj5R7G2aYkRxCsOL4SOimhXXCO0mX j0xR5uEWrQkxFubfYF5MQ5Ffhmtjj79ujJV4EuFNUoh/++5XZWYF0WXD9mVaBw1dGL0P JbTg== X-Gm-Message-State: AOAM533Zg2LokyT/O8lxgfvwOLRNiwWV6gx/QTRcjzUJ20VnVgIcnTwY cvfvrhEcSl4x/ogZr7WYULrNYafI9JXQdw== X-Google-Smtp-Source: ABdhPJzDuR/Be4v8Bpb7Egyo9mIDfggJixurKII3F8tb/i/R9VtelcAo4FqVwVNL3nZj4QQD99BIFQ== X-Received: by 2002:a17:90a:eb02:: with SMTP id j2mr4517547pjz.226.1613507771056; Tue, 16 Feb 2021 12:36:11 -0800 (PST) Received: from driver-dev1.pensando.io ([12.226.153.42]) by smtp.gmail.com with ESMTPSA id u17sm11371pgh.72.2021.02.16.12.36.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Feb 2021 12:36:10 -0800 (PST) From: Andrew Boyer To: dev@dpdk.org Cc: Alfredo Cardigliano , Andrew Boyer , Vishwas Danivas Date: Tue, 16 Feb 2021 12:35:38 -0800 Message-Id: <20210216203540.29290-14-aboyer@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210216203540.29290-1-aboyer@pensando.io> References: <20210216203540.29290-1-aboyer@pensando.io> In-Reply-To: <20210204195853.13411-1-aboyer@pensando.io> References: <20210204195853.13411-1-aboyer@pensando.io> Subject: [dpdk-dev] [PATCH v2 13/15] net/ionic: send as many packets as possible 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 Sender: "dev" Rather than dropping the whole burst if some don't fit. This improves performance. Signed-off-by: Andrew Boyer Signed-off-by: Vishwas Danivas --- drivers/net/ionic/ionic_rxtx.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/net/ionic/ionic_rxtx.c b/drivers/net/ionic/ionic_rxtx.c index bb67c497a1..b4bdeabad1 100644 --- a/drivers/net/ionic/ionic_rxtx.c +++ b/drivers/net/ionic/ionic_rxtx.c @@ -536,15 +536,16 @@ ionic_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, struct ionic_tx_stats *stats = &txq->stats; uint32_t next_q_head_idx; uint32_t bytes_tx = 0; - uint16_t nb_tx = 0; + uint16_t nb_avail, nb_tx = 0; int err; /* Cleaning old buffers */ ionic_tx_flush(txq); - if (unlikely(ionic_q_space_avail(q) < nb_pkts)) { - stats->stop += nb_pkts; - return 0; + nb_avail = ionic_q_space_avail(q); + if (unlikely(nb_avail < nb_pkts)) { + stats->stop += nb_pkts - nb_avail; + nb_pkts = nb_avail; } while (nb_tx < nb_pkts) {