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Message-ID: <20190504073522.3bc7e00d@cakuba.netronome.com> Date: Sat, 4 May 2019 07:35:22 -0400 From: Jakub Kicinski <jakub.kicinski@...ronome.com> To: Jeff Kirsher <jeffrey.t.kirsher@...el.com>, Alice Michael <alice.michael@...el.com> Cc: davem@...emloft.net, netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com, Piotr Marczak <piotr.marczak@...el.com>, Don Buchholz <donald.buchholz@...el.com> Subject: Re: [net-next v2 11/11] i40e: Introduce recovery mode support On Fri, 3 May 2019 16:09:39 -0700, Jeff Kirsher wrote: > From: Alice Michael <alice.michael@...el.com> > > This patch introduces "recovery mode" to the i40e driver. It is > part of a new Any2Any idea of upgrading the firmware. In this > approach, it is required for the driver to have support for > "transition firmware", that is used for migrating from structured > to flat firmware image. In this new, very basic mode, i40e driver > must be able to handle particular IOCTL calls from the NVM Update > Tool and run a small set of AQ commands. What's the "particular IOCTL" you speak of? This patch adds a fake netdev with a .set_eeprom callback. Are you wrapping the AQ commands in the set_eeprom now? Or is there some other IOCTL here? Let me repeat my other question - can the netdev you spawn in i40e_init_recovery_mode() pass traffic? > These additional AQ commands are part of the interface used by > the NVMUpdate tool. The NVMUpdate tool contains all of the > necessary logic to reference these new AQ commands. The end user > experience remains the same, they are using the NVMUpdate tool to > update the NVM contents. IOW to update FW users still need your special tool, but they can use ethtool -f to.. change the app-specific (DPDK) parser profiles? Joy :) > Signed-off-by: Alice Michael <alice.michael@...el.com> > Signed-off-by: Piotr Marczak <piotr.marczak@...el.com> > Tested-by: Don Buchholz <donald.buchholz@...el.com> > Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
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