From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <stable-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
	by inbox.dpdk.org (Postfix) with ESMTP id B2C13A00C2
	for <public@inbox.dpdk.org>; Thu, 23 Jun 2022 13:17:30 +0200 (CEST)
Received: from [217.70.189.124] (localhost [127.0.0.1])
	by mails.dpdk.org (Postfix) with ESMTP id A94B540A82;
	Thu, 23 Jun 2022 13:17:30 +0200 (CEST)
Received: from shelob.oktetlabs.ru (shelob.oktetlabs.ru [91.220.146.113])
 by mails.dpdk.org (Postfix) with ESMTP id 599454003F;
 Thu, 23 Jun 2022 13:17:29 +0200 (CEST)
Received: from [192.168.38.17] (aros.oktetlabs.ru [192.168.38.17])
 (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)
 key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256)
 (No client certificate requested)
 by shelob.oktetlabs.ru (Postfix) with ESMTPSA id C41D9AC;
 Thu, 23 Jun 2022 14:17:28 +0300 (MSK)
DKIM-Filter: OpenDKIM Filter v2.11.0 shelob.oktetlabs.ru C41D9AC
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=oktetlabs.ru;
 s=default; t=1655983048;
 bh=iT2zpteWrZMiHOxL64SS55Iy/XoNU3K4tPFzaRwns+0=;
 h=Date:Subject:To:Cc:References:From:In-Reply-To:From;
 b=ic0b8bxf+Z7lnuD1vfxx0pz2SSWjp59Uz+LQsC3bNDnv/Fquc+woN1RKA0A1Z6aCZ
 4P9SXLHlbxMfreZgz46kwlkWOYR60dPqDlD/pMTy9k/bn+htCyT/WEEE2+mFTz9/Fj
 GXwwSLz0vKRr0slpJKPpGo+TStgUMeOhF9I3gVXc=
Message-ID: <3ceae1bc-56ef-eaf1-4540-2669584c01a9@oktetlabs.ru>
Date: Thu, 23 Jun 2022 14:17:28 +0300
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101
 Thunderbird/91.9.0
Subject: Re: [PATCH] app/testpmd: cleanup port resources after implicit close
Content-Language: en-US
To: Dmitry Kozlyuk <dkozlyuk@nvidia.com>, dev@dpdk.org
Cc: stable@dpdk.org, Matan Azrad <matan@nvidia.com>,
 Xiaoyun Li <xiaoyun.li@intel.com>, Aman Singh <aman.deep.singh@intel.com>,
 Yuying Zhang <yuying.zhang@intel.com>
References: <20220615231212.44122-1-dkozlyuk@nvidia.com>
From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Organization: OKTET Labs
In-Reply-To: <20220615231212.44122-1-dkozlyuk@nvidia.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
X-BeenThere: stable@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: patches for DPDK stable branches <stable.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/stable>,
 <mailto:stable-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/stable/>
List-Post: <mailto:stable@dpdk.org>
List-Help: <mailto:stable-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/stable>,
 <mailto:stable-request@dpdk.org?subject=subscribe>
Errors-To: stable-bounces@dpdk.org

On 6/16/22 02:12, Dmitry Kozlyuk wrote:
> When a port was closed implicitly closed by the PMD, for example,
> if it was a representor port and its master port was detached,
> flow indirect actions could remain with their handles no longer valid.
> If a newly attached device was assigned the same ID as the closed port,
> those indirect actions became accessible again.
> Any attempt to use them resulted in an undefined behavior.
> Flow flex items had no such issue on close, but had it on detach.
> 
> Introduce flush_port_owned_resources() function
> for consistent cleanup and call it when a port is closed or detached.
> Make it flush flow rules and multicast addresses too
> because they logically belong to the port being removed.
> 
> Fixes: 55509e3a49fb ("app/testpmd: support shared flow action")
> Fixes: 59f3a8acbcdb ("app/testpmd: add flex item commands")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Dmitry Kozlyuk <dkozlyuk@nvidia.com>
> Acked-by: Matan Azrad <matan@nvidia.com>

Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>

Resolved merge conflict on apply to dpdk-next-net/main,
applied, thanks.