Re: [dpdk-stable] patch 'app/testpmd: fix offloads config' has been queued to LTS release 18.11.3

[Kevin Traynor <ktraynor@redhat.com>]

On 23/08/2019 10:59, Kevin Traynor wrote:
> On 23/08/2019 10:43, Kevin Traynor wrote:
>> Hi,
>>
>> FYI, your patch has been queued to LTS release 18.11.3
>>
>> Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
>> It will be pushed if I get no objections before 08/28/19. So please
>> shout if anyone has objections.
>>
> 
> Hi, the first of these 2 squashed patches in isolation caused a
> regression found by Intel validation team which required a lot of
> investigation and it being reverted at the last moment before 18.11.2.
> 
> In this case I would like an Ack from Zhao and one of the testpmd
> maintainers that they will support this before applying the patch below.
> 

Ping Zhao and testpmd maintainers

> thanks,
> Kevin.
> 
>> Also note that after the patch there's a diff of the upstream commit vs the
>> patch applied to the branch. This will indicate if there was any rebasing
>> needed to apply to the stable branch. If there were code changes for rebasing
>> (ie: not only metadata diffs), please double check that the rebase was
>> correctly done.
>>
>> Queued patches are on a temporary branch at:
>> https://github.com/kevintraynor/dpdk-stable-queue
>>
>> This queued commit can be viewed at:
>> https://github.com/kevintraynor/dpdk-stable-queue/commit/df34973221d9e24d74b5381e540e95561ae69458
>>
>> Thanks.
>>
>> Kevin Traynor
>>
>> ---
>> From df34973221d9e24d74b5381e540e95561ae69458 Mon Sep 17 00:00:00 2001
>> From: Wei Zhao <wei.zhao1@intel.com>
>> Date: Thu, 9 May 2019 15:20:47 +0800
>> Subject: [PATCH] app/testpmd: fix offloads config
>>
>> [ upstream commit 5e91aeef218c452c370aacf74265c7a42b67dffa ]
>> [ upstream commit 575e0fd1a0b33b5b6c977f743fd4ba27b3523517 ]
>>
>> This is a squashed commit of the above upstream master commits.
>>
>> 5e91aeef218c was previously applied to stable as:
>> c14f54bd7fea ("app/testpmd: fix offload flags after port config")
>> but had to be reverted in:
>> 4d1815fe6a73 ("Revert "app/testpmd: fix offload flags after port config"")
>> as it caused a regression.
>>
>> Now that 575e0fd1a0b3 is available in upstream master to fix that
>> regression, squashing those two commits and applying to stable.
>>
>> Original upstream master commit messages:
>>
>> commit 5e91aeef218c452c370aacf74265c7a42b67dffa
>> Author: Wei Zhao <wei.zhao1@intel.com>
>> Date:   Thu May 9 15:20:47 2019 +0800
>>
>>     app/testpmd: fix offload flags after port config
>>
>>     There is an error in function rxtx_port_config(), which may overwrite
>>     offloads configuration get from function launch_args_parse() when run
>>     testpmd app. So rxtx_port_config() should do "or" for port offloads.
>>
>>     Fixes: d44f8a485f5d ("app/testpmd: enable per queue configure")
>>     Cc: stable@dpdk.org
>>
>>     Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
>>     Tested-by: Peng Yuan <yuan.peng@intel.com>
>>
>> commit 575e0fd1a0b33b5b6c977f743fd4ba27b3523517
>> Author: Wei Zhao <wei.zhao1@intel.com>
>> Date:   Mon Jun 10 14:45:10 2019 +0800
>>
>>     app/testpmd: fix offloads config
>>
>>     There is no need to use default offloads configuration
>>     if offloads configuration has been pass down from upper layer.
>>     The default offloads are overwritten if not zero.
>>
>>     Fixes: 5e91aeef218c ("app/testpmd: fix offload flags after port config")
>>     Cc: stable@dpdk.org
>>
>>     Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
>>     Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
>>
>> Cc: Wenzhuo Lu <wenzhuo.lu@intel.com>
>> Cc: Jingjing Wu <jingjing.wu@intel.com>
>> Cc: Bernard Iremonger <bernard.iremonger@intel.com>
>> ---
>>  app/test-pmd/testpmd.c | 7 +++++++
>>  1 file changed, 7 insertions(+)
>>
>> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
>> index b4215c75d..41283b481 100644
>> --- a/app/test-pmd/testpmd.c
>> +++ b/app/test-pmd/testpmd.c
>> @@ -2736,7 +2736,11 @@ rxtx_port_config(struct rte_port *port)
>>  {
>>  	uint16_t qid;
>> +	uint64_t offloads;
>>  
>>  	for (qid = 0; qid < nb_rxq; qid++) {
>> +		offloads = port->rx_conf[qid].offloads;
>>  		port->rx_conf[qid] = port->dev_info.default_rxconf;
>> +		if (offloads != 0)
>> +			port->rx_conf[qid].offloads = offloads;
>>  
>>  		/* Check if any Rx parameters have been passed */
>> @@ -2760,5 +2764,8 @@ rxtx_port_config(struct rte_port *port)
>>  
>>  	for (qid = 0; qid < nb_txq; qid++) {
>> +		offloads = port->tx_conf[qid].offloads;
>>  		port->tx_conf[qid] = port->dev_info.default_txconf;
>> +		if (offloads != 0)
>> +			port->tx_conf[qid].offloads = offloads;
>>  
>>  		/* Check if any Tx parameters have been passed */
>>
>