From: Jakub Kicinski <kuba@kernel.org> To: Richard Cochran <richardcochran@gmail.com> Cc: "Machnikowski, Maciej" <maciej.machnikowski@intel.com>, "netdev@vger.kernel.org" <netdev@vger.kernel.org>, "intel-wired-lan@lists.osuosl.org" <intel-wired-lan@lists.osuosl.org>, "abyagowi@fb.com" <abyagowi@fb.com>, "Nguyen, Anthony L" <anthony.l.nguyen@intel.com>, "davem@davemloft.net" <davem@davemloft.net>, "linux-kselftest@vger.kernel.org" <linux-kselftest@vger.kernel.org>, bsd@fb.com Subject: Re: [RFC v2 net-next 1/2] rtnetlink: Add new RTM_GETSYNCESTATE message to get SyncE status Date: Mon, 30 Aug 2021 16:29:09 -0700 [thread overview] Message-ID: <20210830162909.110753ec@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw) In-Reply-To: <20210830205758.GA26230@hoboy.vegasvil.org> On Mon, 30 Aug 2021 13:57:58 -0700 Richard Cochran wrote: > > Please take a look at the 10.2 Operation modes of the G.8264 and at the Figure A.1 > > which depicts the EEC. This interface is to report the status of the EEC. > > Well, I read it, and it is still fairly high level with no mention at > all of "DPLL". I hope that the new RTNL states will cover other > possible EEC implementations, too. > > The "Reference source selection mechanism" is also quite vague. Your > patch is more specific: > > +enum if_eec_src { > + IF_EEC_SRC_INVALID = 0, > + IF_EEC_SRC_UNKNOWN, > + IF_EEC_SRC_SYNCE, > + IF_EEC_SRC_GNSS, Hmm, IDK if this really belongs in RTNL. The OCP time card that Jonathan works on also wants to report signal lock, and it locks to GNSS. It doesn't have any networking functionality whatsoever. Can we add a genetlink family for clock info/configuration? From what I understood discussing this with Jonathan it sounded like most clocks today have a vendor-specific character device for configuration and reading status. I'm happy to write the plumbing if this seems like an okay idea but too much work for anyone to commit. > + IF_EEC_SRC_PTP, > + IF_EEC_SRC_EXT, > + __IF_EEC_SRC_MAX, > +}; > > But I guess your list is reasonable. It can always be expanded, right?
WARNING: multiple messages have this Message-ID (diff)
From: Jakub Kicinski <kuba@kernel.org> To: intel-wired-lan@osuosl.org Subject: [Intel-wired-lan] [RFC v2 net-next 1/2] rtnetlink: Add new RTM_GETSYNCESTATE message to get SyncE status Date: Mon, 30 Aug 2021 16:29:09 -0700 [thread overview] Message-ID: <20210830162909.110753ec@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw) In-Reply-To: <20210830205758.GA26230@hoboy.vegasvil.org> On Mon, 30 Aug 2021 13:57:58 -0700 Richard Cochran wrote: > > Please take a look at the 10.2 Operation modes of the G.8264 and at the Figure A.1 > > which depicts the EEC. This interface is to report the status of the EEC. > > Well, I read it, and it is still fairly high level with no mention at > all of "DPLL". I hope that the new RTNL states will cover other > possible EEC implementations, too. > > The "Reference source selection mechanism" is also quite vague. Your > patch is more specific: > > +enum if_eec_src { > + IF_EEC_SRC_INVALID = 0, > + IF_EEC_SRC_UNKNOWN, > + IF_EEC_SRC_SYNCE, > + IF_EEC_SRC_GNSS, Hmm, IDK if this really belongs in RTNL. The OCP time card that Jonathan works on also wants to report signal lock, and it locks to GNSS. It doesn't have any networking functionality whatsoever. Can we add a genetlink family for clock info/configuration? From what I understood discussing this with Jonathan it sounded like most clocks today have a vendor-specific character device for configuration and reading status. I'm happy to write the plumbing if this seems like an okay idea but too much work for anyone to commit. > + IF_EEC_SRC_PTP, > + IF_EEC_SRC_EXT, > + __IF_EEC_SRC_MAX, > +}; > > But I guess your list is reasonable. It can always be expanded, right?
next prev parent reply other threads:[~2021-08-30 23:29 UTC|newest] Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-29 8:05 [RFC v2 net-next 0/2] Add RTNL interface for SyncE Maciej Machnikowski 2021-08-29 8:05 ` [Intel-wired-lan] " Maciej Machnikowski 2021-08-29 8:05 ` [RFC v2 net-next 1/2] rtnetlink: Add new RTM_GETSYNCESTATE message to get SyncE status Maciej Machnikowski 2021-08-29 8:05 ` [Intel-wired-lan] " Maciej Machnikowski 2021-08-29 15:10 ` Richard Cochran 2021-08-29 15:10 ` [Intel-wired-lan] " Richard Cochran 2021-08-29 16:42 ` Machnikowski, Maciej 2021-08-29 16:42 ` [Intel-wired-lan] " Machnikowski, Maciej 2021-08-29 20:16 ` Andrew Lunn 2021-08-29 20:16 ` [Intel-wired-lan] " Andrew Lunn 2021-08-30 20:57 ` Richard Cochran 2021-08-30 20:57 ` [Intel-wired-lan] " Richard Cochran 2021-08-30 23:29 ` Jakub Kicinski [this message] 2021-08-30 23:29 ` Jakub Kicinski 2021-08-31 10:20 ` Machnikowski, Maciej 2021-08-31 10:20 ` [Intel-wired-lan] " Machnikowski, Maciej 2021-08-31 13:33 ` Jakub Kicinski 2021-08-31 13:33 ` [Intel-wired-lan] " Jakub Kicinski 2021-08-31 14:07 ` Machnikowski, Maciej 2021-08-31 14:07 ` [Intel-wired-lan] " Machnikowski, Maciej 2021-08-31 14:18 ` Jakub Kicinski 2021-08-31 14:18 ` [Intel-wired-lan] " Jakub Kicinski 2021-08-31 15:19 ` Machnikowski, Maciej 2021-08-31 15:19 ` [Intel-wired-lan] " Machnikowski, Maciej 2021-08-31 15:32 ` Jakub Kicinski 2021-08-31 15:32 ` [Intel-wired-lan] " Jakub Kicinski 2021-08-31 16:00 ` Machnikowski, Maciej 2021-08-31 16:00 ` [Intel-wired-lan] " Machnikowski, Maciej 2021-08-31 16:19 ` Richard Cochran 2021-08-31 16:19 ` [Intel-wired-lan] " Richard Cochran 2021-08-31 22:09 ` Machnikowski, Maciej 2021-08-31 22:09 ` [Intel-wired-lan] " Machnikowski, Maciej 2021-09-01 2:02 ` Jakub Kicinski 2021-09-01 2:02 ` [Intel-wired-lan] " Jakub Kicinski 2021-09-01 2:56 ` Richard Cochran 2021-09-01 2:56 ` [Intel-wired-lan] " Richard Cochran 2021-09-01 1:58 ` Jakub Kicinski 2021-09-01 1:58 ` [Intel-wired-lan] " Jakub Kicinski 2021-09-01 2:55 ` Richard Cochran 2021-09-01 2:55 ` [Intel-wired-lan] " Richard Cochran 2021-08-29 8:05 ` [RFC v2 net-next 2/2] ice: add support for reading SyncE DPLL state Maciej Machnikowski 2021-08-29 8:05 ` [Intel-wired-lan] " Maciej Machnikowski 2021-08-29 11:11 ` kernel test robot
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