From: Richard Cochran <richardcochran@gmail.com>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] [RFC v2 net-next 01/10] net: Add a new socket option for a future transmit time.
Date: Tue, 23 Jan 2018 19:04:36 -0800 [thread overview]
Message-ID: <20180124030436.sukodrg2t3ckazu6@localhost> (raw)
In-Reply-To: <877es81d9e.fsf@intel.com>
On Tue, Jan 23, 2018 at 01:22:37PM -0800, Vinicius Costa Gomes wrote:
> What I think would be the ideal scenario would be if the clockid
> parameter to the TBS Qdisc would not be necessary (if offload was
> enabled), but that's not quite possible right now, because there's no
> support for using the hrtimer infrastructure with dynamic clocks
> (/dev/ptp*).
We don't need hrtimer for HW offloading. Just enqueue the packets. I
thought we agreed that user space get the ordering correct. In fact,
davem insisted on it, IIRC.
Thanks,
Richard
WARNING: multiple messages have this Message-ID (diff)
From: Richard Cochran <richardcochran@gmail.com>
To: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Cc: Miroslav Lichvar <mlichvar@redhat.com>,
Jesus Sanchez-Palencia <jesus.sanchez-palencia@intel.com>,
netdev@vger.kernel.org, john.stultz@linaro.org,
Richard Cochran <rcochran@linutronix.de>,
jiri@resnulli.us, ivan.briano@intel.com, henrik@austad.us,
jhs@mojatatu.com, levi.pearson@harman.com,
intel-wired-lan@lists.osuosl.org, xiyou.wangcong@gmail.com,
tglx@linutronix.de, anna-maria@linutronix.de
Subject: Re: [Intel-wired-lan] [RFC v2 net-next 01/10] net: Add a new socket option for a future transmit time.
Date: Tue, 23 Jan 2018 19:04:36 -0800 [thread overview]
Message-ID: <20180124030436.sukodrg2t3ckazu6@localhost> (raw)
In-Reply-To: <877es81d9e.fsf@intel.com>
On Tue, Jan 23, 2018 at 01:22:37PM -0800, Vinicius Costa Gomes wrote:
> What I think would be the ideal scenario would be if the clockid
> parameter to the TBS Qdisc would not be necessary (if offload was
> enabled), but that's not quite possible right now, because there's no
> support for using the hrtimer infrastructure with dynamic clocks
> (/dev/ptp*).
We don't need hrtimer for HW offloading. Just enqueue the packets. I
thought we agreed that user space get the ordering correct. In fact,
davem insisted on it, IIRC.
Thanks,
Richard
next prev parent reply other threads:[~2018-01-24 3:04 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-17 23:06 [Intel-wired-lan] [RFC v2 net-next 00/10] Time based packet transmission Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-17 23:06 ` [Intel-wired-lan] [RFC v2 net-next 01/10] net: Add a new socket option for a future transmit time Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-18 8:42 ` [Intel-wired-lan] " Miroslav Lichvar
2018-01-18 8:42 ` Miroslav Lichvar
2018-01-18 17:13 ` Richard Cochran
2018-01-18 17:13 ` Richard Cochran
2018-02-01 0:49 ` Jesus Sanchez-Palencia
2018-02-01 0:49 ` Jesus Sanchez-Palencia
2018-02-01 4:16 ` Richard Cochran
2018-02-01 4:16 ` Richard Cochran
2018-02-01 9:27 ` Miroslav Lichvar
2018-02-01 9:27 ` Miroslav Lichvar
2018-02-01 20:55 ` Jesus Sanchez-Palencia
2018-02-01 20:55 ` Jesus Sanchez-Palencia
2018-01-23 21:22 ` Vinicius Costa Gomes
2018-01-23 21:22 ` Vinicius Costa Gomes
2018-01-24 3:04 ` Richard Cochran [this message]
2018-01-24 3:04 ` Richard Cochran
2018-01-24 22:46 ` Vinicius Costa Gomes
2018-01-24 22:46 ` Vinicius Costa Gomes
2018-01-26 2:12 ` Richard Cochran
2018-01-26 2:12 ` Richard Cochran
2018-02-12 22:39 ` Jesus Sanchez-Palencia
2018-02-12 22:39 ` Jesus Sanchez-Palencia
2018-02-13 9:56 ` Miroslav Lichvar
2018-02-13 9:56 ` Miroslav Lichvar
2018-01-18 17:11 ` Richard Cochran
2018-01-18 17:11 ` Richard Cochran
2018-01-23 18:12 ` [Intel-wired-lan] " Jesus Sanchez-Palencia
2018-01-23 18:12 ` Jesus Sanchez-Palencia
2018-01-19 21:15 ` [Intel-wired-lan] " Willem de Bruijn
2018-01-19 21:15 ` Willem de Bruijn
2018-01-20 2:09 ` [Intel-wired-lan] " Richard Cochran
2018-01-20 2:09 ` Richard Cochran
2018-01-25 9:12 ` [Intel-wired-lan] " Miroslav Lichvar
2018-01-25 9:12 ` Miroslav Lichvar
2018-01-25 16:52 ` Richard Cochran
2018-01-25 16:52 ` Richard Cochran
2018-01-23 18:24 ` Jesus Sanchez-Palencia
2018-01-23 18:24 ` Jesus Sanchez-Palencia
2018-01-23 20:02 ` [Intel-wired-lan] " Willem de Bruijn
2018-01-23 20:02 ` Willem de Bruijn
2018-01-17 23:06 ` [Intel-wired-lan] [RFC v2 net-next 02/10] net: ipv4: raw: Hook into time based transmission Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-18 0:28 ` [Intel-wired-lan] " Eric Dumazet
2018-01-18 0:28 ` Eric Dumazet
2018-01-17 23:06 ` [Intel-wired-lan] [RFC v2 net-next 03/10] net: ipv4: udp: " Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-17 23:06 ` [Intel-wired-lan] [RFC v2 net-next 04/10] net: packet: " Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-17 23:06 ` [Intel-wired-lan] [RFC v2 net-next 05/10] net/sched: Allow creating a Qdisc watchdog with other clocks Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-17 23:06 ` [Intel-wired-lan] [RFC v2 net-next 06/10] net/sched: Introduce the TBS Qdisc Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-18 13:35 ` [Intel-wired-lan] " Jamal Hadi Salim
2018-01-18 13:35 ` Jamal Hadi Salim
2018-01-18 13:44 ` [Intel-wired-lan] " Jamal Hadi Salim
2018-01-18 13:44 ` Jamal Hadi Salim
2018-01-23 21:45 ` [Intel-wired-lan] " Jesus Sanchez-Palencia
2018-01-23 21:45 ` Jesus Sanchez-Palencia
2018-01-18 17:18 ` [Intel-wired-lan] " Richard Cochran
2018-01-18 17:18 ` Richard Cochran
2018-01-23 22:01 ` [Intel-wired-lan] " Jesus Sanchez-Palencia
2018-01-23 22:01 ` Jesus Sanchez-Palencia
2018-01-19 21:18 ` [Intel-wired-lan] " Willem de Bruijn
2018-01-19 21:18 ` Willem de Bruijn
2018-01-17 23:06 ` [Intel-wired-lan] [RFC v2 net-next 07/10] igb: Refactor igb_configure_cbs() Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-17 23:06 ` [Intel-wired-lan] [RFC v2 net-next 08/10] igb: Only change Tx arbitration when CBS is on Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-17 23:06 ` [Intel-wired-lan] [RFC v2 net-next 09/10] igb: Refactor igb_offload_cbs() Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-17 23:06 ` [Intel-wired-lan] [RFC v2 net-next 10/10] igb: Add support for TBS offload Jesus Sanchez-Palencia
2018-01-17 23:06 ` Jesus Sanchez-Palencia
2018-01-23 5:23 ` [Intel-wired-lan] [RFC v2 net-next 00/10] Time based packet transmission Richard Cochran
2018-01-23 5:23 ` Richard Cochran
2018-01-23 5:26 ` [Intel-wired-lan] " Richard Cochran
2018-01-23 5:26 ` Richard Cochran
2018-01-23 18:07 ` [Intel-wired-lan] " Jesus Sanchez-Palencia
2018-01-23 18:07 ` Jesus Sanchez-Palencia
2018-01-24 1:43 ` [Intel-wired-lan] " Levi Pearson
2018-01-24 1:43 ` Levi Pearson
2018-01-27 0:04 ` [Intel-wired-lan] " Jesus Sanchez-Palencia
2018-01-27 0:04 ` Jesus Sanchez-Palencia
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