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[54.225.227.206]) by mx.google.com with ESMTPS id r103si5871284qkr.92.2015.03.26.12.24.25 (version=TLSv1 cipher=RC4-SHA bits=128/128); Thu, 26 Mar 2015 12:24:26 -0700 (PDT) Received-SPF: none (google.com: lng-odp-bounces@lists.linaro.org does not designate permitted sender hosts) client-ip=54.225.227.206; Received: from localhost ([127.0.0.1] helo=ip-10-35-177-41.ec2.internal) by ip-10-35-177-41.ec2.internal with esmtp (Exim 4.76) (envelope-from ) id 1YbDOB-0000By-JM; Thu, 26 Mar 2015 19:24:23 +0000 Received: from mail-wi0-f173.google.com ([209.85.212.173]) by ip-10-35-177-41.ec2.internal with esmtp (Exim 4.76) (envelope-from ) id 1YbDNZ-00006a-Md for lng-odp@lists.linaro.org; Thu, 26 Mar 2015 19:23:45 +0000 Received: by wixm2 with SMTP id m2so18897318wix.0 for ; Thu, 26 Mar 2015 12:23:40 -0700 (PDT) X-Received: by 10.194.121.136 with SMTP id lk8mr29638121wjb.49.1427397820317; Thu, 26 Mar 2015 12:23:40 -0700 (PDT) Received: from localhost.localdomain ([90.152.119.35]) by mx.google.com with ESMTPSA id g5sm9673433wjr.19.2015.03.26.12.23.39 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 26 Mar 2015 12:23:39 -0700 (PDT) From: Zoltan Kiss To: lng-odp@lists.linaro.org Date: Thu, 26 Mar 2015 19:23:22 +0000 Message-Id: <1427397805-27395-4-git-send-email-zoltan.kiss@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1427397805-27395-1-git-send-email-zoltan.kiss@linaro.org> References: <1427397805-27395-1-git-send-email-zoltan.kiss@linaro.org> X-Topics: patch Subject: [lng-odp] [PATCH v2 3/6] netdev-odp: Increase packet pool size X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , MIME-Version: 1.0 Errors-To: lng-odp-bounces@lists.linaro.org Sender: lng-odp-bounces@lists.linaro.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: zoltan.kiss@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.53 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 DPDK needs this otherwise it saturates the whole pool too fast. For some reason it doesn't work properly if the pool size is too small. Use a 2^q - 1 number as suggested by rte_mempool_create. Signed-off-by: Zoltan Kiss --- v2: decrease by one on DPDK's recommendation lib/netdev-odp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/netdev-odp.c b/lib/netdev-odp.c index 385401f..ae944f7 100644 --- a/lib/netdev-odp.c +++ b/lib/netdev-odp.c @@ -49,7 +49,7 @@ VLOG_DEFINE_THIS_MODULE(odp); -#define SHM_PKT_POOL_NUM_BUFS 512 +#define SHM_PKT_POOL_NUM_BUFS 32768 - 1 #define SHM_PKT_POOL_BUF_SIZE 1856 #define SHM_OFPBUF_NUM_BUFS 512