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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AT5PR8401MB1027.NAMPRD84.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: a0f926e0-4c68-4aa8-667b-08d895e63975 X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Dec 2020 10:45:31.0957 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 105b2061-b669-4b31-92ac-24d304d195dc X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 6n8Mx1deFRR/Qac6a5RGEUMp9PUgq5ekugbU9tEMGu3EWSek/kpfijF78QLTrIBiz2hpQ9VqcacZfKR/ubKvcA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AT5PR8401MB0548 X-OriginatorOrg: hpe.com X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312, 18.0.737 definitions=2020-12-01_04:2020-11-30, 2020-12-01 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 mlxscore=0 spamscore=0 mlxlogscore=605 priorityscore=1501 phishscore=0 bulkscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012010069 Subject: [dpdk-users] Queue pairs in C626 QAT Card 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: , Errors-To: users-bounces@dpdk.org Sender: "users" Hi, What is the maximum number of queue pairs in C626 QAT card? >From rte_cryptodev_info_get(), it seems that the maximum number is 2. Is th= is correct? Can it be increased via configuration or is this set in hardware? I have a DPDK application running 5 instances on 5 CPUs. I need the QAT VF = to be bound to each of the CPUs. But, this limitation of 2 queue pairs mean= s that only 2 of the CPUs can communicate with QAT VF at any given point.=20 Regards, Venkatesh