DPDK patches and discussions
 help / color / mirror / Atom feed
From: satish <nsatishbabu@gmail.com>
To: dev@dpdk.org
Subject: Re: [dpdk-dev] Dynamic port/pipe QoS configuration
Date: Fri, 17 Oct 2014 14:59:35 -0700
Message-ID: <CADVv77pEx1-ihzFHcj1bXu_7YBSzcvwUjpBv73pGLU+raDM+iA@mail.gmail.com> (raw)
In-Reply-To: <CADVv77qR5jT3dn77iuU18UFdm4cfbTs5QJ9m0YmmPE0k0NSMew@mail.gmail.com>

Hi,
Can someone please respond to below?
Thank you.

On Mon, Oct 13, 2014 at 3:54 PM, satish <nsatishbabu@gmail.com> wrote:

> Hi,
> We are trying to provide QoS support for one of our clients using
> rte_sched.
> In our implementation we are treating each pipe as a customer.
> So, we can have maximum of 4096 customers per sub-port.
> Customers(pipe) can be added, deleted or modified dynamically. Each
> customer can have different profiles.
>
> Currently we are using DPDK-v1.6.
> Can I modify pipe profile during run time using rte_sched_pipe_config ()?
>
> Our plan is to have initial configs as below (similar to examples in DPDK)
> [1] Specify port params at the initialization of port as below
> static struct rte_sched_port_params port_param = {
> :
> :
> .n_subports_per_port = 1,
> .n_pipes_per_subport = 4096,
> .qsize = {64, 64, 64, 64},
> .pipe_profiles = pipe_profile,
> .n_pipe_profiles = 1,
> }
>
> [2]
> static struct rte_sched_subport_params subport_param[] = {
> {
> .tb_rate = Link speed (1G/10G..) divided by 8 (bits),
> .tb_size = 1000000,
>
> .tc_rate = {Same as tb_rate, Same as tb_rate, Same as tb_rate, Same as
> tb_rate},
> .tc_period = 10,
> },
> };
>
> [3]
> static struct rte_sched_pipe_params pipe_profile[] = {
> { /* Profile #0 */
> .tb_rate = Link speed (1G/10G..) divided by 8 (bits)/4096 (maximum number
> of pipes),
> .tb_size = 1000000,
>
> .tc_rate = {pipe's tb_rate, pipe's tb_rate, pipe's tb_rate, pipe's
> tb_rate},
> .tc_period = 40,
>
> .wrr_weights = {16, 4, 2, 1,  16, 4, 2, 1,  16, 4, 2, 1,  16, 4, 2, 1},
> },
> };
>
> Our plan here is to initialize the pipe with default profile and modify
> each pipe based on user configurations.
> My questions are
> [a] Can I modify pipe profile during run time using rte_sched_pipe_config
> ()? (question repeated)
> If I can modify at pipe level,
> [b] Can we have different profiles for pipes, With one default profile at
> initialization?
> [c] Can we modify port level params without deleting the port using
> rte_sched_port_config ()?
>
> Please provide your valuable comments.
> Thanks in advance.
>
> --
> Regards,
> Satish Babu
>
>


-- 
Regards,
Satish Babu

  reply	other threads:[~2014-10-17 21:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-13 22:54 satish
2014-10-17 21:59 ` satish [this message]
2014-10-18  9:16   ` Stephen Hemminger
     [not found]   ` <251C79C4-74C5-4EF9-A987-3B4DB94A31D5@intel.com>
2014-10-20 19:21     ` Dumitrescu, Cristian
2014-10-20 21:05       ` satish

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CADVv77pEx1-ihzFHcj1bXu_7YBSzcvwUjpBv73pGLU+raDM+iA@mail.gmail.com \
    --to=nsatishbabu@gmail.com \
    --cc=dev@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

DPDK patches and discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git