From: Matthew Hall <mhall@mhcomputing.net>
To: Thomas Monjalon <thomas.monjalon@6wind.com>,
Helin Zhang <helin.zhang@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 3/5] i40e: support selecting hash functions
Date: Thu, 24 Jul 2014 01:14:44 -0700 [thread overview]
Message-ID: <0344b116-248f-4f64-9ef7-31be52ba8632@email.android.com> (raw)
In-Reply-To: <1454201.eyrodsIZYi@xps13>
If no reboot of the card is needed then it's probably better to add it to one of the ethtool style APIs...
--
Sent from my mobile device.
On July 24, 2014 1:07:37 AM PDT, Thomas Monjalon <thomas.monjalon@6wind.com> wrote:
>2014-07-24 01:01, Matthew Hall:
>> On Thu, Jul 24, 2014 at 09:59:23AM +0200, Thomas Monjalon wrote:
>> > Is it really a good idea to configure this kind of thing at build
>time?
>> > Maybe yes, I'm not sure.
>>
>> Whether it's safe to set at runtime probably depends what happens to
>the card
>> if it gets changed. Do you have to reset the card or the port? Or is
>it OK if
>> it's more dynamic?
>
>No, we can change configuration with rte_eth_dev_configure() before
>initializing port. So it is truly configurable.
>Requiring recompilation means it's not really configurable between 2
>runs.
>And it breaks binary packaging for Linux distributions.
>
>Many things in DPDK are configured at build time. But we should wonder
>if
>it's really a good design.
next prev parent reply other threads:[~2014-07-24 8:13 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-24 6:42 [dpdk-dev] [PATCH 0/5] Support configuring " Helin Zhang
2014-07-24 6:42 ` [dpdk-dev] [PATCH 1/5] ethdev: Rename macros of packet classification type Helin Zhang
2014-07-24 7:48 ` Thomas Monjalon
2014-07-24 8:14 ` Zhang, Helin
2014-07-24 8:19 ` Thomas Monjalon
2014-07-24 8:23 ` Zhang, Helin
2014-07-24 6:42 ` [dpdk-dev] [PATCH 2/5] ethdev: add new ops of 'check_command_supported' and 'rx_classification_filter_ctl' Helin Zhang
2014-07-24 7:56 ` Thomas Monjalon
2014-07-24 8:49 ` Zhang, Helin
2014-07-24 6:42 ` [dpdk-dev] [PATCH 3/5] i40e: support selecting hash functions Helin Zhang
2014-07-24 7:59 ` Thomas Monjalon
2014-07-24 8:01 ` Matthew Hall
2014-07-24 8:07 ` Thomas Monjalon
2014-07-24 8:14 ` Matthew Hall [this message]
2014-07-24 8:54 ` Zhang, Helin
2014-07-24 6:42 ` [dpdk-dev] [PATCH 4/5] i40e: support configuring symmetric hash function Helin Zhang
2014-07-24 6:42 ` [dpdk-dev] [PATCH 5/5] app/testpmd: new commands for configuring hash functions Helin Zhang
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