From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jia Yu Subject: tx_stop_queue and flow control Date: Tue, 11 Aug 2015 21:11:37 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: "dev@dpdk.org" Return-path: Received: from smtp-outbound-2.vmware.com (smtp-outbound-2.vmware.com [208.91.2.13]) by dpdk.org (Postfix) with ESMTP id 2A9CC5A5E for ; Tue, 11 Aug 2015 23:11:40 +0200 (CEST) Received: from sc9-mailhost2.vmware.com (sc9-mailhost2.vmware.com [10.113.161.72]) by smtp-outbound-2.vmware.com (Postfix) with ESMTP id 98A97286AB for ; Tue, 11 Aug 2015 14:11:36 -0700 (PDT) Received: from EX13-CAS-012.vmware.com (EX13-CAS-012.vmware.com [10.113.191.64]) by sc9-mailhost2.vmware.com (Postfix) with ESMTP id 86BE8B06CF for ; Tue, 11 Aug 2015 14:11:38 -0700 (PDT) Content-Language: en-US List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hello, DPDK drivers support tx_stop_queue, but they don't use it for flow control,= I.e. Stop upper layer calling the device tx_pkt_burst routine when there i= s no resource. I wonder if flow control is needed here, if yes, is there pl= an to add this support? Thanks, Jia