From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dirk.lenz@ng4t.com>
Received: from mail.ud15.udmedia.de (ud15.udmedia.de [194.117.254.55])
 by dpdk.org (Postfix) with ESMTP id D4903374C
 for <users@dpdk.org>; Thu,  3 Aug 2017 15:45:39 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=ng4t.com; h=to:from
 :subject:message-id:date:mime-version:content-type
 :content-transfer-encoding; s=k1; bh=+/rbgGdKbK2fhkmLaZ2V7EQwlHb
 WZU651688lbQ7Vwo=; b=pyEQ/5j2rrfekIURIk0qei3rQukyYfHKVgyT/yxzuHk
 E/N562mvyMDC/SK3GuVrwuByPCbYVWj0pVBTgEpR31md7rVzCNLi4XKQD3EPL7w2
 zOeCVP9YPx6EzVhUKPm6GqMSN2bAb0Nd2KLKXijURvaDADkEFLAXDjNC6bRJ+lNs
 =
Received: (qmail 13344 invoked from network); 3 Aug 2017 15:45:39 +0200
Received: from unknown (HELO ?IPv6:2a02:8106:1:f900:2e0:4cff:fe68:158b?)
 (ud15?2p5@2a02:8106:1:f900:2e0:4cff:fe68:158b)
 by mail.ud15.udmedia.de with ESMTPSA (ECDHE-RSA-AES128-GCM-SHA256 encrypted,
 authenticated); 3 Aug 2017 15:45:39 +0200
To: users@dpdk.org
From: Dirk-Holger Lenz <dirk.lenz@ng4t.com>
Message-ID: <933d585b-6e5e-f032-040f-2f99bab733ff@ng4t.com>
Date: Thu, 3 Aug 2017 15:45:39 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101
 Icedove/45.6.0
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Subject: [dpdk-users] cannot allocate more than one vdev device of a type
X-BeenThere: users@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK usage discussions <users.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/users>,
 <mailto:users-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/users/>
List-Post: <mailto:users@dpdk.org>
List-Help: <mailto:users-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/users>,
 <mailto:users-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Thu, 03 Aug 2017 13:45:40 -0000

it is not possible to allocate more than one vdev of a type

(e.g. crypto_openssl or crypto_aesni_mb).

Our application may use several crypto devices which may

be virtual devices.

In the past it was possible to have several arguments of

--vdev (as much as devices needed)

(e.g. --vdev=crypto_openssl) given to rte_eal_init().

In the current version (17.08rc3) in any case only one device

is allocated.

In our case we are using dpdk built as shared libraries.

This happens due to the check in vdev_scan():

         dev = find_vdev(devargs->name);
         if (dev)
             continue;

and in rte_cryptodev_pmd_allocate()

     if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
         CDEV_LOG_ERR("Crypto device with name %s already "
                 "allocated!", name);
         return NULL;
     }