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From: Edwin Peer <edwin.peer@broadcom.com>
To: David Ahern <dsahern@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>, netdev <netdev@vger.kernel.org>,
	"David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Jacob Keller <jacob.e.keller@intel.com>,
	roopa@nvidia.com, mlxsw <mlxsw@nvidia.com>
Subject: Re: [patch net-next RFC 00/10] introduce line card support for modular switch
Date: Mon, 18 Jan 2021 15:40:47 -0800	[thread overview]
Message-ID: <CAKOOJTwmaqvPrF2Dr_ZqozysOUJUKuJdGgJ7xK2f66FCHXfyvg@mail.gmail.com> (raw)
In-Reply-To: <9b940a66-8c91-34c1-e64e-42b92bf403a8@gmail.com>

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On Mon, Jan 18, 2021 at 2:57 PM David Ahern <dsahern@gmail.com> wrote:

> On 1/18/21 11:01 AM, Edwin Peer wrote:
> > I'm facing a similar issue with NIC firmware that isn't yet ready by
> > device open time, but have been resisting the urge to lie to the stack
>
> why not have the ndo_open return -EBUSY or -EAGAIN to tell S/W to try
> again 'later'?

Indeed, this is what we ended up doing, although we still need to
confirm Network Manager, systemd and whatever else our customers might
use do the necessary to satisfy the user requirement to handle the
delayed init.

Only reason I piped up is that this line card thing seems to introduce
a similar issue.

Regards,
Edwin Peer

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  reply	other threads:[~2021-01-18 23:42 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-13 12:12 [patch net-next RFC 00/10] introduce line card support for modular switch Jiri Pirko
2021-01-13 12:12 ` [patch net-next RFC 01/10] devlink: add support to create line card and expose to user Jiri Pirko
2021-01-15 15:47   ` Ido Schimmel
2021-01-13 12:12 ` [patch net-next RFC 02/10] devlink: implement line card provisioning Jiri Pirko
2021-01-15 16:03   ` Ido Schimmel
2021-01-15 16:51     ` Jiri Pirko
2021-01-15 18:09       ` Ido Schimmel
2021-01-18 12:50         ` Jiri Pirko
2021-01-13 12:12 ` [patch net-next RFC 03/10] devlink: implement line card active state Jiri Pirko
2021-01-15 16:06   ` Ido Schimmel
2021-01-15 16:52     ` Jiri Pirko
2021-01-13 12:12 ` [patch net-next RFC 04/10] devlink: append split port number to the port name Jiri Pirko
2021-01-13 12:12 ` [patch net-next RFC 05/10] devlink: add port to line card relationship set Jiri Pirko
2021-01-15 16:10   ` Ido Schimmel
2021-01-15 16:53     ` Jiri Pirko
2021-01-13 12:12 ` [patch net-next RFC 06/10] netdevsim: introduce line card support Jiri Pirko
2021-01-13 12:12 ` [patch net-next RFC 07/10] netdevsim: allow port objects to be linked with line cards Jiri Pirko
2021-01-13 12:12 ` [patch net-next RFC 08/10] netdevsim: create devlink line card object and implement provisioning Jiri Pirko
2021-01-15 16:30   ` Ido Schimmel
2021-01-15 16:54     ` Jiri Pirko
2021-01-13 12:12 ` [patch net-next RFC 09/10] netdevsim: implement line card activation Jiri Pirko
2021-01-13 12:12 ` [patch net-next RFC 10/10] selftests: add netdevsim devlink lc test Jiri Pirko
2021-01-13 13:39 ` [patch iproute2/net-next RFC] devlink: add support for linecard show and provision Jiri Pirko
2021-01-14  2:07 ` [patch net-next RFC 00/10] introduce line card support for modular switch Andrew Lunn
2021-01-14  7:39   ` Jiri Pirko
2021-01-14 22:56     ` Jacob Keller
2021-01-15 14:19       ` Jiri Pirko
2021-01-19 11:56   ` Jiri Pirko
2021-01-19 14:51     ` Andrew Lunn
2021-01-20  8:36       ` Jiri Pirko
2021-01-20 13:56         ` Andrew Lunn
2021-01-20 23:41           ` Jakub Kicinski
2021-01-21  0:01             ` Andrew Lunn
2021-01-21  0:16               ` Jakub Kicinski
2021-01-21 15:34               ` Jiri Pirko
2021-01-21 15:32             ` Jiri Pirko
2021-01-21 16:38               ` David Ahern
2021-01-22  7:28                 ` Jiri Pirko
2021-01-22 14:13                   ` Andrew Lunn
2021-01-26 11:33                     ` Jiri Pirko
2021-01-26 13:56                       ` Andrew Lunn
2021-01-27  7:57                         ` Jiri Pirko
2021-01-27 14:14                           ` Andrew Lunn
2021-01-27 14:57                             ` David Ahern
2021-01-28  8:14                             ` Jiri Pirko
2021-01-28 14:17                               ` Andrew Lunn
2021-01-29  7:20                                 ` Jiri Pirko
     [not found]                                   ` <YBQujIdnFtEhWqTF@lunn.ch>
2021-01-29 16:45                                     ` Vadim Pasternak
2021-01-29 17:31                                       ` Andrew Lunn
2021-01-30 14:19                                         ` Jiri Pirko
     [not found]                                           ` <251d1e12-1d61-0922-31f8-a8313f18f194@gmail.com>
2021-02-01  8:16                                             ` Jiri Pirko
2021-02-01 13:41                                               ` Andrew Lunn
2021-02-03 14:57                                                 ` Jiri Pirko
2021-02-03 16:26                                                   ` Andrew Lunn
2021-02-01  1:43                                       ` Andrew Lunn
2021-01-22  8:05                 ` Jiri Pirko
2021-01-19 16:23     ` David Ahern
2021-01-20  8:37       ` Jiri Pirko
2021-01-14  2:27 ` Jakub Kicinski
2021-01-14  7:48   ` Jiri Pirko
2021-01-14 23:30     ` Jakub Kicinski
2021-01-15 14:39       ` Jiri Pirko
2021-01-15 19:26         ` Jakub Kicinski
2021-01-18 13:00           ` Jiri Pirko
2021-01-18 17:59             ` Jakub Kicinski
2021-01-19 11:51               ` Jiri Pirko
2021-01-18 22:55             ` David Ahern
2021-01-22  8:01               ` Jiri Pirko
2021-01-14 22:58   ` Jacob Keller
2021-01-14 23:20     ` Jakub Kicinski
2021-01-15 14:40       ` Jiri Pirko
2021-01-15 15:43 ` Ido Schimmel
2021-01-15 16:55   ` Jiri Pirko
2021-01-15 18:01     ` Ido Schimmel
2021-01-18 13:03       ` Jiri Pirko
2021-01-18 18:01 ` Edwin Peer
2021-01-18 22:57   ` David Ahern
2021-01-18 23:40     ` Edwin Peer [this message]
2021-01-19  2:39       ` David Ahern
2021-01-19  5:06         ` Edwin Peer

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