From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f180.google.com (mail-qk0-f180.google.com [209.85.220.180]) by dpdk.org (Postfix) with ESMTP id 0EEFF1B28B for ; Sun, 5 Nov 2017 12:53:23 +0100 (CET) Received: by mail-qk0-f180.google.com with SMTP id l194so7914169qke.13 for ; Sun, 05 Nov 2017 03:53:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=CvhuKtj/R1Fl5ZiutEXVhureyiJpp3oN0+5w0UaCUCU=; b=DsHdfJ8Yuo/P/mT83c0DDUz9DDvw8MaxKKaoznh+UJuwbYkgdhOskFLJvDB8ZQIIVm 6YorlKu8px+ZDjk8esTyDBzRozpPnrJkrF3HDzRVJ87xuoBlvsbkUuqlJVTTyKc34dzf XyZxpkORwyTY755s4DmgHatgX77OgF6XckUa89kQ9BxIc5sz/xvZGt2mnqmvFd6L0zVA HznDfxgr6yIlmNWEn6nYB6XBMBs4JKM2fvuh2phU1emxozLxSr9SYwU3STczIbcNLHrK RVtZSp42D0mIYYDYug+YGVhX5u4hJa7Vxselp6jp5uMqyPNXeH6kbc/pQzlKk1ab2Oyx w8lA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=CvhuKtj/R1Fl5ZiutEXVhureyiJpp3oN0+5w0UaCUCU=; b=i41Y/3wxpd1U7tVIMAFYF5NYANmEuP05gTVXoyBdadvK1QDizNkU2iTio+BqCTZW1g RZB/roBR+0Scz1Djndq9DDKKlsW9QboweQ6o5jLvWwzXsY5zluhrfiM2he/NddmsnJsu 9QIVzppTllSff29YXN5BKfmWt642qMKlSU/RpYEwjjcXd5GewOC4YirWlCbbkCe1YaSx FDez+BS9hTPDXathqeC71Pz5JewU2Ieh5ZeuL2N9l2zm+fsN5IQcLpN5am5dNhEYftoW AJfPhtk4IJ3HkrrsUaNyPK5FuINpTqZ00yW11vBRTggXJAosu/ApDlU3QcZcfjJ7Fyl0 YOrA== X-Gm-Message-State: AMCzsaVHvPHtaKJaZFnPUEhTCMg47CqnuqF5MT+9h5qISBap0t/uTBYd /ikNneTQVasDJJEK61XFzM1S8JNVYgWrYzT2/WQ= X-Google-Smtp-Source: ABhQp+S9Mj+Zj99flRnqfPT+by+LZo31DjxBhv8bgorcQFFgWwC3h6FejDbl9f9BKkKxtcUiJ0G/6pj6BOINtcHmfoI= X-Received: by 10.55.74.194 with SMTP id x185mr17404525qka.32.1509882802223; Sun, 05 Nov 2017 03:53:22 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.150.152 with HTTP; Sun, 5 Nov 2017 03:53:21 -0800 (PST) From: Marios-Evaggelos Kogias Date: Sun, 5 Nov 2017 12:53:21 +0100 Message-ID: To: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] scatter send X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 05 Nov 2017 11:53:23 -0000 Hello everyone, I am new to DPDK and I am trying to understand if it's possible to do a scatter send, namely use a scatter gather list of pointers to user memory instead of copying the payload in the mbuf. This is a feature supported by NIC drivers but I can't find a way to use it with DPDK. Is it exposed? Any help is more than welcome. Thanks in advance, Marios