DPDK patches and discussions
 help / color / mirror / Atom feed
From: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
To: Xueming Li <xuemingl@mellanox.com>
Cc: Adrien Mazarguil <adrien.mazarguil@6wind.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	dev@dpdk.org
Subject: Re: [dpdk-dev] [RFC 1/4] ethdev: support rss level on tunnel
Date: Thu, 30 Nov 2017 09:16:24 +0100	[thread overview]
Message-ID: <20171130081624.64wc37biw5s4dgfo@laranjeiro-vm.dev.6wind.com> (raw)
In-Reply-To: <20171129173106.120828-2-xuemingl@mellanox.com>

Hi Xueming, please see the comments below,

On Thu, Nov 30, 2017 at 01:31:03AM +0800, Xueming Li wrote:
> There was no RSS hash fields level definition on tunnel, implementations
> default RSS on tunnel to outer or inner. Adding rss level enable users
> to specifiy the tunnel level of RSS hash fields.
> 
> 0:  outer most,
> 1:  inner,
> -1: inner most(PMD auto detection if nested tunnel specified in fields)

This *inner most* is confusing, what does it mean for the following
pattern vxlan / end?
This pattern is valid for any level of the VXLAN according to the NIC
capability.  With an inner most, if the PMD support 4 levels of tunnels
it will need to create the 4 rules to match the user request.
Is this what you expect by this definition?

There is also another question, according to the possible values (0, 1,
-1), it cannot handle more than 1 level explicitly, why such limitation?

> Signed-off-by: Xueming Li <xuemingl@mellanox.com>
> ---
>  lib/librte_ether/rte_flow.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/lib/librte_ether/rte_flow.h b/lib/librte_ether/rte_flow.h
> index 47c88ea..c35558c 100644
> --- a/lib/librte_ether/rte_flow.h
> +++ b/lib/librte_ether/rte_flow.h
> @@ -1078,6 +1078,7 @@ struct rte_flow_action_dup {
>   */
>  struct rte_flow_action_rss {
>  	const struct rte_eth_rss_conf *rss_conf; /**< RSS parameters. */
> +	uint8_t level; /**< RSS on tunnel level, 0:outer most, -1:inner most */
>  	uint16_t num; /**< Number of entries in queue[]. */
>  	uint16_t queue[]; /**< Queues indices to use. */
>  };
> -- 
> 1.8.3.1
> 

Thanks,

-- 
Nélio Laranjeiro
6WIND

  reply	other threads:[~2017-11-30  8:16 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-29 17:31 [dpdk-dev] [RFC 0/4] tunnel enhancements Xueming Li
2017-11-29 17:31 ` [dpdk-dev] [RFC 1/4] ethdev: support rss level on tunnel Xueming Li
2017-11-30  8:16   ` Nelio Laranjeiro [this message]
2017-11-30  8:46     ` Xueming(Steven) Li
2017-11-30 10:14       ` Nelio Laranjeiro
2017-12-03  6:08   ` [dpdk-dev] [RFC v1 0/5] tunnel enhancements Xueming Li
2017-12-03  6:08   ` [dpdk-dev] [RFC v1 1/5] ethdev: support rss level on tunnel Xueming Li
2017-12-04  8:10     ` Nelio Laranjeiro
2017-12-04  9:05       ` Xueming(Steven) Li
2017-12-04 10:32         ` Nelio Laranjeiro
2017-12-04 14:24           ` Xueming(Steven) Li
2017-12-04 15:00             ` Nelio Laranjeiro
2017-12-03  6:08   ` [dpdk-dev] [RFC v1 2/5] app/testpmd: support rte_flow rss level parsing Xueming Li
2017-12-03  6:08   ` [dpdk-dev] [RFC v1 3/5] ethdev: support GRE and L3VXLAN tunnel type Xueming Li
2017-12-03  6:08   ` [dpdk-dev] [RFC v1 4/5] app/testpmd: support l3vxlan " Xueming Li
2017-12-03  6:08   ` [dpdk-dev] [RFC v1 5/5] mbuf: add L3 VXLAN packet type Xueming Li
2017-11-29 17:31 ` [dpdk-dev] [RFC 2/4] app/testpmd: support rte_flow rss level parsing Xueming Li
2017-11-30  8:18   ` Nelio Laranjeiro
2017-11-30  8:50     ` Xueming(Steven) Li
2017-11-30 10:13       ` Nelio Laranjeiro
2017-11-29 17:31 ` [dpdk-dev] [RFC 3/4] ethdev: support GRE and L3VXLAN tunnel type Xueming Li
2017-11-29 17:31 ` [dpdk-dev] [RFC 4/4] app/testpmd: support l3vxlan " Xueming Li

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=20171130081624.64wc37biw5s4dgfo@laranjeiro-vm.dev.6wind.com \
    --to=nelio.laranjeiro@6wind.com \
    --cc=adrien.mazarguil@6wind.com \
    --cc=dev@dpdk.org \
    --cc=thomas@monjalon.net \
    --cc=xuemingl@mellanox.com \
    /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
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).