From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id E07EB4234D; Tue, 10 Oct 2023 17:55:42 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CE7DB40A6C; Tue, 10 Oct 2023 17:55:42 +0200 (CEST) Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) by mails.dpdk.org (Postfix) with ESMTP id 871954029F for ; Tue, 10 Oct 2023 17:55:41 +0200 (CEST) Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-690d2441b95so4303478b3a.1 for ; Tue, 10 Oct 2023 08:55:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1696953341; x=1697558141; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=WdSLgu7Rimm2Z9bzFwMrcT+bO2StsiAUZFcaXUIkVkA=; b=sqGU1Wtaf4IuEIueBu77+SflcjZ1aZFoLXAafy1m2rFcdN3pXAqDFa6gKXmuggH5A3 g24nDDOgLsxL45CbviKpgzYW+yY5I57ZanHgrnZTTRS+pplbuCirkCcXICuYIUrED6AE oQg95MivcdjSU6IJoDpvvP5QnD6aSwnuL2VLXXd5ReCSHsuOoaUKFhbqT6trmkNBAig4 TOCEhKMkGuKP2qfJq6Sytb7djDnDKsnPm7phbAoiOhox6hb45delDEmQKZ69m7DfMrQ5 khRs1lC73aVrqcEBDrh1dF3c/hm2GKsFJfrrTai2zeUdQMIpRfiOrs7wh7FZtVCSFRQm FWgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696953341; x=1697558141; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=WdSLgu7Rimm2Z9bzFwMrcT+bO2StsiAUZFcaXUIkVkA=; b=uZFz3W3WIXiwc8w0JDP4+wK1kArBVLeWiab88HHYGVGPx7YNga+TxINNA8UiftphIh Lw+nBHoAbEq43bbixtWGlB5svJ5Izd44xHLrMR5TBYGvHJVumwxyY4WbCmpnkSu/O223 gbmnnAeVf7KIMJhu5ZmHRbmRk0/HrsG2jbj9hZ9COPVYR132Vhxm4WQdrxPPalf0te1l HMPY4/qkK/QLnMnmunj8EbtSHahMrwdT6iFxmeXWMZmf9CTtMe/YLuCgt8abscCsZKdx oUnkDhpKcFM8dqSNlyiuESfdMnLpUcXE3LsD/qX9pjt9oYjN414z8q2qfRlSsbOpvpQX qQVA== X-Gm-Message-State: AOJu0YxgOHw1c3Y4fdQX+9ENaUU1NbzhKE/KOHeOXNoeg5mtgGcyM0oX cOPAAk+lsX47vcOisdkDrQRBnA== X-Google-Smtp-Source: AGHT+IEItu/pTeOCpSLw31dRxAsO8dC5MM9hU5nO/bwOT+rx/LVYqZxJgUbhvt7DdBygXiGV+8P9tQ== X-Received: by 2002:a05:6a00:99c:b0:690:fd48:1aa4 with SMTP id u28-20020a056a00099c00b00690fd481aa4mr23974638pfg.0.1696953340669; Tue, 10 Oct 2023 08:55:40 -0700 (PDT) Received: from hermes.local (204-195-126-68.wavecable.com. [204.195.126.68]) by smtp.gmail.com with ESMTPSA id u13-20020a62ed0d000000b006930db1e6cfsm8425092pfh.62.2023.10.10.08.55.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Oct 2023 08:55:40 -0700 (PDT) Date: Tue, 10 Oct 2023 08:55:38 -0700 From: Stephen Hemminger To: Sam Andrew Cc: "dev@dpdk.org" , "ferruh.yigit@amd.com" , "andrew.rybchenko@oktetlabs.ru" , Long Li Subject: Re: [PATCH v2] net/netvsc: add support for mtu_set Message-ID: <20231010085538.623e2107@hermes.local> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Fri, 6 Oct 2023 20:09:09 +0000 Sam Andrew wrote: > Add support for changing the netvsc MTU. The MTU can only be set at nvs > initialization, therefore to change the MTU the underlying vmbus > channel(s) are torn down and the vmbus device unmapped and remapped. The > existing rx and tx queue(s) are reconnected to the new vmbus channel(s). > > Signed-off-by: Sam Andrew > --- Acked-by: Stephen Hemminger