From: Florian Fainelli <f.fainelli@gmail.com>
To: Tom Herbert <tom@herbertland.com>,
davem@davemloft.net, netdev@vger.kernel.org
Cc: kernel-team@fb.com, rick.jones2@hpe.com
Subject: Re: [PATCH net-next 0/4] xps_flows: XPS flow steering when there is no socket
Date: Thu, 1 Sep 2016 12:25:30 -0700 [thread overview]
Message-ID: <0f6c33fa-90cf-ae05-df8c-9eeb856228eb@gmail.com> (raw)
In-Reply-To: <1472688605-2613704-1-git-send-email-tom@herbertland.com>
On 08/31/2016 05:10 PM, Tom Herbert wrote:
> This patch set introduces transmit flow steering for socketless packets.
> The idea is that we record the transmit queues in a flow table that is
> indexed by skbuff hash. The flow table entries have two values: the
> queue_index and the head cnt of packets from the TX queue. We only allow
> a queue to change for a flow if the tail cnt in the TX queue advances
> beyond the recorded head cnt. That is the condition that should indicate
> that all outstanding packets for the flow have completed transmission so
> the queue can change.
>
> Tracking the inflight queue is performed as part of DQL. Two fields are
> added to the dql structure: num_enqueue_ops and num_completed_ops.
> num_enqueue_ops incremented in dql_queued and num_completed_ops is
> incremented in dql_completed by the number of operations completed (an
> new argument to the function).
>
> This patch set creates /sys/class/net/eth*/xps_dev_flow_table_cnt
> which number of entries in the XPS flow table.
If you respin, do you mind updating the sysfs documentation at
Documentation/ABI/testing/sysfs-class-net-queues with the new entries
you are adding? Thanks!
--
Florian
next prev parent reply other threads:[~2016-09-01 21:11 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-01 0:10 [PATCH net-next 0/4] xps_flows: XPS flow steering when there is no socket Tom Herbert
2016-09-01 0:10 ` [PATCH net-next 1/4] net: Set SW hash in skb_set_hash_from_sk Tom Herbert
2016-09-01 0:10 ` [PATCH net-next 2/4] dql: Add counters for number of queuing and completion operations Tom Herbert
2016-09-01 0:10 ` [PATCH net-next 3/4] net: Add xps_dev_flow_table_cnt Tom Herbert
2016-09-01 0:10 ` [PATCH net-next 4/4] xps_flows: XPS for packets that don't have a socket Tom Herbert
2016-09-01 15:36 ` Alexander Duyck
2016-09-01 15:56 ` Tom Herbert
2016-09-01 23:18 ` Alexander Duyck
2016-09-01 0:37 ` [PATCH net-next 0/4] xps_flows: XPS flow steering when there is no socket Eric Dumazet
2016-09-01 16:14 ` Tom Herbert
2016-09-01 19:25 ` Florian Fainelli [this message]
2016-09-01 19:32 ` Tom Herbert
2016-09-01 19:46 ` Florian Fainelli
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=0f6c33fa-90cf-ae05-df8c-9eeb856228eb@gmail.com \
--to=f.fainelli@gmail.com \
--cc=davem@davemloft.net \
--cc=kernel-team@fb.com \
--cc=netdev@vger.kernel.org \
--cc=rick.jones2@hpe.com \
--cc=tom@herbertland.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).