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Date: Tue, 29 Nov 2022 18:51:37 +0900
From: Vincent Mailhol <mailhol.vincent@...adoo.fr>
To: Jiri Pirko <jiri@...dia.com>, netdev@...r.kernel.org,
Jakub Kicinski <kuba@...nel.org>
Cc: "David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org,
Boris Brezillon <bbrezillon@...nel.org>,
Arnaud Ebalard <arno@...isbad.org>,
Srujana Challa <schalla@...vell.com>,
Kurt Kanzenbach <kurt@...utronix.de>,
Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
Michael Chan <michael.chan@...adcom.com>,
Ioana Ciornei <ioana.ciornei@....com>,
Dimitris Michailidis <dmichail@...gible.com>,
Yisen Zhuang <yisen.zhuang@...wei.com>,
Salil Mehta <salil.mehta@...wei.com>,
Jesse Brandeburg <jesse.brandeburg@...el.com>,
Tony Nguyen <anthony.l.nguyen@...el.com>,
Sunil Goutham <sgoutham@...vell.com>,
Linu Cherian <lcherian@...vell.com>,
Geetha sowjanya <gakula@...vell.com>,
Jerin Jacob <jerinj@...vell.com>,
hariprasad <hkelam@...vell.com>,
Subbaraya Sundeep <sbhatta@...vell.com>,
Taras Chornyi <tchornyi@...vell.com>,
Saeed Mahameed <saeedm@...dia.com>,
Leon Romanovsky <leon@...nel.org>,
Ido Schimmel <idosch@...dia.com>,
Petr Machata <petrm@...dia.com>,
Simon Horman <simon.horman@...igine.com>,
Shannon Nelson <snelson@...sando.io>, drivers@...sando.io,
Ariel Elior <aelior@...vell.com>,
Manish Chopra <manishc@...vell.com>,
Jonathan Lemon <jonathan.lemon@...il.com>,
Vadim Fedorenko <vadfed@...com>,
Richard Cochran <richardcochran@...il.com>,
Vadim Pasternak <vadimp@...lanox.com>,
Shalom Toledo <shalomt@...lanox.com>,
linux-crypto@...r.kernel.org, intel-wired-lan@...ts.osuosl.org,
linux-rdma@...r.kernel.org, oss-drivers@...igine.com,
Jiri Pirko <jiri@...lanox.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
Hao Chen <chenhao288@...ilicon.com>,
Guangbin Huang <huangguangbin2@...wei.com>,
Minghao Chi <chi.minghao@....com.cn>,
Shijith Thotton <sthotton@...vell.com>,
Vincent Mailhol <mailhol.vincent@...adoo.fr>
Subject: [PATCH net-next v6 0/3] net: devlink: return the driver name in devlink_nl_info_fill
The driver name is available in device_driver::name. Right now,
drivers still have to report this piece of information themselves in
their devlink_ops::info_get callback function.
The goal of this series is to have the devlink core to report this
information instead of the drivers.
The first patch fulfills the actual goal of this series: modify
devlink core to report the driver name and clean-up all drivers. Both
have to be done in an atomic change to avoid attribute
duplication. This same patch also removes the
devlink_info_driver_name_put() function to prevent future drivers from
reporting the driver name themselves.
The second patch allows the core to call devlink_nl_info_fill() even
if the devlink_ops::info_get() callback is NULL. This leads to the
third and final patch which cleans up the drivers which have an empty
info_get().
---
* Changelog *
v5 -> v6:
* No change in code.
* add Reviewed-by: Jacob Keller tag.
* add Reviewed-by: Jiri Pirko tag.
* squash patches 1 and 2 together.
* [PATCH 1/3]: remove the paragraph explaining why attributes get
duplicated if nla_put() is called twice.
v4 -> v5:
* No change in code.
* [PATCH 1/4] add Tested-by: Ido Schimmel tag.
* split patch 3/3 in two patches.
v3 -> v4:
* Ido pointed out that the mlxsw did not need to be fixed:
https://lore.kernel.org/netdev/Y4ONgD4dAj8yU2%2F+@shredder/
Remove the first two patches from the series.
v2 -> v3:
* [PATCH 3/5] remove the call to devlink_info_driver_name_put() in
mlxsw driver as well (this was missing in v2, making the build
fail... sorry for the noise).
* add additional people in CC as pointed by netdev patchwork CI:
https://patchwork.kernel.org/project/netdevbpf/list/?series=699451
* use the "Link:" prefix before URL to silence checkpatch's line
length warning.
RFC v1 -> v2:
* drop the RFC tag
* big rework following the discussion on RFC:
https://lore.kernel.org/netdev/20221122154934.13937-1-mailhol.vincent@wanadoo.fr/
Went from one patch to a series of five patches:
* drop the idea to report the USB serial number following Greg's
comment:
https://lore.kernel.org/linux-usb/Y3+VfNdt%2FK7UtRcw@kroah.com/
Vincent Mailhol (3):
net: devlink: let the core report the driver name instead of the
drivers
net: devlink: make the devlink_ops::info_get() callback optional
net: devlink: clean-up empty devlink_ops::info_get()
.../marvell/octeontx2/otx2_cpt_devlink.c | 4 ---
drivers/net/dsa/hirschmann/hellcreek.c | 5 ---
drivers/net/dsa/mv88e6xxx/devlink.c | 5 ---
drivers/net/dsa/sja1105/sja1105_devlink.c | 12 ++-----
.../net/ethernet/broadcom/bnxt/bnxt_devlink.c | 4 ---
.../freescale/dpaa2/dpaa2-eth-devlink.c | 11 +-----
.../ethernet/fungible/funeth/funeth_devlink.c | 7 ----
.../hisilicon/hns3/hns3pf/hclge_devlink.c | 5 ---
.../hisilicon/hns3/hns3vf/hclgevf_devlink.c | 5 ---
drivers/net/ethernet/intel/ice/ice_devlink.c | 6 ----
.../marvell/octeontx2/af/rvu_devlink.c | 7 ----
.../marvell/octeontx2/nic/otx2_devlink.c | 15 --------
.../marvell/prestera/prestera_devlink.c | 5 ---
.../net/ethernet/mellanox/mlx5/core/devlink.c | 4 ---
drivers/net/ethernet/mellanox/mlxsw/core.c | 5 ---
.../net/ethernet/netronome/nfp/nfp_devlink.c | 4 ---
.../ethernet/pensando/ionic/ionic_devlink.c | 4 ---
drivers/net/ethernet/qlogic/qed/qed_devlink.c | 4 ---
drivers/net/netdevsim/dev.c | 3 --
drivers/ptp/ptp_ocp.c | 4 ---
include/net/devlink.h | 2 --
net/core/devlink.c | 35 ++++++++++++-------
22 files changed, 26 insertions(+), 130 deletions(-)
--
2.25.1
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