From: "Patil, Harish" <Harish.Patil@cavium.com>
To: Thomas Monjalon <thomas@monjalon.net>,
"ferruh.yigit@intel.com" <ferruh.yigit@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
Dept-Eng DPDK Dev <Dept-EngDPDKDev@cavium.com>,
"Mody, Rasesh" <Rasesh.Mody@cavium.com>
Subject: Re: [dpdk-dev] [PATCH 1/8] net/qede: fix to disable per-VF Tx switching feature
Date: Wed, 8 Nov 2017 01:34:31 +0000 [thread overview]
Message-ID: <D6279DFE.172794%Harish.Patil@cavium.com> (raw)
In-Reply-To: <3022250.CEjPREgbVS@xps>
-----Original Message-----
From: Thomas Monjalon <thomas@monjalon.net>
Date: Tuesday, November 7, 2017 at 5:53 PM
To: "Mody, Rasesh" <Rasesh.Mody@cavium.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, Harish Patil <Harish.Patil@cavium.com>,
"ferruh.yigit@intel.com" <ferruh.yigit@intel.com>, Dept-Eng DPDK Dev
<Dept-EngDPDKDev@cavium.com>
Subject: Re: [dpdk-dev] [PATCH 1/8] net/qede: fix to disable per-VF Tx
switching feature
>Hi,
>
>07/11/2017 09:34, Rasesh Mody:
>> From: Harish Patil <harish.patil@cavium.com>
>>
>> Provide a knob to control per-VF Tx switching feature by adding a config
>> option, CONFIG_RTE_LIBRTE_QEDE_VF_TX_SWITCH. By default, it will be kept
>> in disabled state for better performance with small sized frames.
>>
>> Fixes: 2ea6f76aff40 ("qede: add core driver")
>> Cc: stable@dpdk.org
>>
>> Signed-off-by: Harish Patil <harish.patil@cavium.com>
>> ---
>> config/common_base | 1 +
>> drivers/net/qede/qede_ethdev.c | 9 ++++++++-
>> 2 files changed, 9 insertions(+), 1 deletion(-)
>>
>> --- a/config/common_base
>> +++ b/config/common_base
>> +CONFIG_RTE_LIBRTE_QEDE_VF_TX_SWITCH=n
>
>We should remove all compile-time options because they cannot be used
>when DPDK is pre-packaged.
>That's why the rule is "NO NEW COMPILE TIME OPTION".
>
>After discussion with Ferruh, this patch is accepted as a hotfix.
>But this option is expected to be removed quickly.
>I've sent a patch to remove this option in 18.02:
> http://dpdk.org/ml/archives/dev/2017-November/081488.html
>It gives you some time to supersede my patch by introducing a
>run-time driver option.
>
>Thanks
Hi Thomas,
Sure, thanks, we will address before 18.02-rc1.
Do you have any example on how to add a run-time driver option?
Does it mean to introduce some change in ethdev?
Thanks.
>
next prev parent reply other threads:[~2017-11-08 1:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-07 8:34 [dpdk-dev] [PATCH 0/8] net/qede: coverity issue fixes and bug fixes Rasesh Mody
2017-11-07 8:34 ` [dpdk-dev] [PATCH 1/8] net/qede: fix to disable per-VF Tx switching feature Rasesh Mody
2017-11-08 0:53 ` Thomas Monjalon
2017-11-08 1:34 ` Patil, Harish [this message]
2017-11-08 1:44 ` Thomas Monjalon
2017-11-08 2:34 ` Patil, Harish
2017-11-07 8:34 ` [dpdk-dev] [PATCH 2/8] net/qede: fix vxlan filter deletion Rasesh Mody
2017-11-07 8:34 ` [dpdk-dev] [PATCH 3/8] net/qede: fix to update device link structure Rasesh Mody
2017-11-07 8:34 ` [dpdk-dev] [PATCH 4/8] net/qede: remove duplicate includes Rasesh Mody
2017-11-07 8:34 ` [dpdk-dev] [PATCH 5/8] net/qede: fix to release the acquired ptt Rasesh Mody
2017-11-07 8:34 ` [dpdk-dev] [PATCH 6/8] net/qede/base: fix to initialize filter API return code Rasesh Mody
2017-11-07 8:34 ` [dpdk-dev] [PATCH 7/8] net/qede/base: fix division by zero Rasesh Mody
2017-11-07 8:34 ` [dpdk-dev] [PATCH 8/8] net/qede: fix null pointer dereferences Rasesh Mody
2017-11-07 22:53 ` [dpdk-dev] [PATCH 0/8] net/qede: coverity issue fixes and bug fixes Ferruh Yigit
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