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The last use of gve_adminq_set_mtu() was removed by
commit 37149e9374bf ("gve: Implement packet continuation for RX.")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Praveen Kaligineedi <pkaligineedi@google.com>
Link: https://patch.msgid.link/20241211001927.253161-1-linux@treblig.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit b35108a51cf7 ("jiffies: Define secs_to_jiffies()") introduced
secs_to_jiffies(). As the value here is a multiple of 1000, use
secs_to_jiffies() instead of msecs_to_jiffies to avoid the multiplication.
This is converted using scripts/coccinelle/misc/secs_to_jiffies.cocci with
the following Coccinelle rules:
@@ constant C; @@
- msecs_to_jiffies(C * 1000)
+ secs_to_jiffies(C)
@@ constant C; @@
- msecs_to_jiffies(C * MSEC_PER_SEC)
+ secs_to_jiffies(C)
Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Link: https://patch.msgid.link/20241210-converge-secs-to-jiffies-v3-20-59479891e658@linux.microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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l2tp_eth uses the TSTATS infrastructure (dev_sw_netstats_*()) for RX
and TX packet counters and DEV_STATS_INC for dropped counters.
Consolidate that using the DSTATS infrastructure, which can
handle both packet counters and packet drops. Statistics that don't
fit DSTATS are still updated atomically with DEV_STATS_INC().
This change is inspired by the introduction of DSTATS helpers and
their use in other udp tunnel drivers:
Link: https://lore.kernel.org/all/cover.1733313925.git.gnault@redhat.com/
Signed-off-by: James Chapman <jchapman@katalix.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, rswitch driver does not utilize most of MFWD forwarding
and processing features. It only uses port-based forwarding for ETHA
ports, and direct descriptor forwarding for GWCA port.
Update rswitch_fwd_init() to enable exactly that, and keep everything
else disabled.
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Oleksij Rempel says:
====================
lan78xx: Preparations for PHYlink
This patch set is a second part of the preparatory work for migrating
the lan78xx USB Ethernet driver to the PHYlink framework. During
extensive testing, I observed that resetting the USB adapter can lead to
various read/write errors. While the errors themselves are acceptable,
they generate excessive log messages, resulting in significant log spam.
This set improves error handling to reduce logging noise by addressing
errors directly and returning early when necessary.
====================
Link: https://patch.msgid.link/20241209130751.703182-1-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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lan78xx_mdiobus_wait_not_busy
Rename `lan78xx_phy_wait_not_busy` to `lan78xx_mdiobus_wait_not_busy`
for clarity and accuracy, as the function operates on the MII bus rather
than a specific PHY. Update all references to reflect the new name.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241209130751.703182-11-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update `lan78xx_phy_wait_not_busy` to forward errors from
`lan78xx_read_reg` instead of overwriting them with `-EIO`. Replace
`-EIO` with `-ETIMEDOUT` for timeout cases, providing more specific and
appropriate error codes.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241209130751.703182-10-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update `lan78xx_set_features` to correctly return the result of
`lan78xx_write_reg`. This ensures that errors during register writes
are propagated to the caller.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241209130751.703182-7-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Simplify `lan78xx_update_reg` by directly returning the result of
`lan78xx_write_reg`. This eliminates unnecessary checks and improves
code readability.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241209130751.703182-6-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update `lan78xx_set_mac_addr` to handle errors during MAC address
register write operations. Ensure that errors are properly propagated to
the caller, improving the robustness of MAC address updates.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241209130751.703182-4-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Convert `lan78xx_init_mac_address` to return error codes and handle
failures in register read and write operations. Update `lan78xx_reset`
to check for errors during MAC address initialization and propagate them
appropriately.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241209130751.703182-3-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update `lan78xx_setup_irq_domain` to handle errors in
`lan78xx_read_reg`. Return the error code immediately if the read
operation fails, ensuring proper error propagation during IRQ domain
setup.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241209130751.703182-2-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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pcim_iomap_regions() and pcim_iomap_table() have been deprecated by the
PCI subsystem.
Replace them with pcim_iomap_region().
Additionally, pass the actual driver name to that function to improve
debug output.
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Link: https://patch.msgid.link/20241206195712.182282-2-pstanner@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Eric Dumazet says:
====================
net: prepare for removal of net->dev_index_head
This series changes rtnl_fdb_dump, last iterator using net->dev_index_head[]
First patch creates ndo_fdb_dump_context structure, to no longer
assume specific layout for the arguments.
Second patch adopts for_each_netdev_dump() in rtnl_fdb_dump(),
while changing two first fields of ndo_fdb_dump_context.
Third patch removes the padding, thus changing the location
of ctx->fdb_idx now that all users agree on how to retrive it.
After this series, the only users of net->dev_index_head
are __dev_get_by_index() and dev_get_by_index_rcu().
We have to evaluate if switching them to dev_by_index xarray
would be sensible.
v1: https://lore.kernel.org/20241207162248.18536-1-edumazet@google.com/T/#m800755d4b16c7f335927a76d9f52ebd37f7f077c
====================
Link: https://patch.msgid.link/20241209100747.2269613-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I chose to remove this field in a separate patch to ease
potential bisection, in case one ndo_fdb_dump() is still
using the old way (cb->args[2] instead of ctx->fdb_idx)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20241209100747.2269613-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This is the last netdev iterator still using net->dev_index_head[].
Convert to modern for_each_netdev_dump() for better scalability,
and use common patterns in our stack.
Following patch in this series removes the pad field
in struct ndo_fdb_dump_context.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20241209100747.2269613-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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rtnl_fdb_dump() and various ndo_fdb_dump() helpers share
a hidden layout of cb->ctx.
Before switching rtnl_fdb_dump() to for_each_netdev_dump()
in the following patch, make this more explicit.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20241209100747.2269613-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Instead of using DP83822_DEVADDR which is locally defined use
MDIO_MMD_VEND2.
Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241209-dp83822-mdio-mmd-vend2-v1-1-4473c7284b94@liebherr.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There is a typo in dev_err message: fliter -> filter.
Fix it via codespell.
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241209124804.9789-1-algonell@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use the proper API instead of open coding it.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20241208234955.31910-1-frederic@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The extern declarations should be in a header file that corresponds to
their definition, move these extern declarations to its header file.
Some of them have nowhere to go, so move them to hwif.h since they are
referenced in hwif.c only.
dwmac100_* dwmac1000_* dwmac4_* dwmac410_* dwmac510_* stay in hwif.h,
otherwise you will be flooded with name conflicts from dwmac100.h,
dwmac1000.h and dwmac4.h if hwif.c try to #include these .h files.
Compile tested only.
No functional change intended.
Suggested-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Furong Xu <0x1207@gmail.com>
Link: https://patch.msgid.link/20241208070202.203931-1-0x1207@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Andrew Lunn says:
====================
dsa: mv88e6xxx: Refactor statistics ready for RMU support
Marvell Ethernet switches support sending commands to the switch
inside Ethernet frames, which the Remote Management Unit, RMU,
handles. One such command retries all the RMON statistics. The
switches however have other statistics which cannot be retried by this
bulk method, so need to be gathered individually.
This patch series refactors the existing statistics code into a
structure that will allow RMU integration in a future patchset.
There should be no functional change as a result of this refactoring.
====================
Link: https://patch.msgid.link/20241207-v6-13-rc1-net-next-mv88e6xxx-stats-refactor-v1-0-b9960f839846@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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With moving information about available statistics into the info
structure, the test becomes identical. Consolidate them into a single
test.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241207-v6-13-rc1-net-next-mv88e6xxx-stats-refactor-v1-2-b9960f839846@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Different families of switches have different statistics available.
This information is current hard coded into functions, however this
information will also soon be needed when getting statistics from the
RMU. Move it into the info structure.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241207-v6-13-rc1-net-next-mv88e6xxx-stats-refactor-v1-1-b9960f839846@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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'add-support-for-synopsis-dwmac-ip-on-nxp-automotive-socs-s32g2xx-s32g3xx-s32r45'
Jan Petrous via says:
====================
Add support for Synopsis DWMAC IP on NXP Automotive SoCs S32G2xx/S32G3xx/S32R45
The SoC series S32G2xx and S32G3xx feature one DWMAC instance,
the SoC S32R45 has two instances. The devices can use RGMII/RMII/MII
interface over Pinctrl device or the output can be routed
to the embedded SerDes for SGMII connectivity.
The provided stmmac glue code implements only basic functionality,
interface support is restricted to RGMII only. More, including
SGMII/SerDes support will come later.
This patchset adds stmmac glue driver based on downstream NXP git [0].
[0] https://github.com/nxp-auto-linux/linux
v7: https://lore.kernel.org/20241202-upstream_s32cc_gmac-v7-0-bc3e1f9f656e@oss.nxp.com
v6: https://lore.kernel.org/20241124-upstream_s32cc_gmac-v6-0-dc5718ccf001@oss.nxp.com
v5: https://lore.kernel.org/20241119-upstream_s32cc_gmac-v5-0-7dcc90fcffef@oss.nxp.com
v4: https://lore.kernel.org/20241028-upstream_s32cc_gmac-v4-0-03618f10e3e2@oss.nxp.com
v3: https://lore.kernel.org/20241013-upstream_s32cc_gmac-v3-0-d84b5a67b930@oss.nxp.com
====================
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-0-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add myself as NXP S32G/R DWMAC Ethernet driver maintainer.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-15-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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NXP S32G2xx/S32G3xx and S32R45 are automotive grade SoCs
that integrate one or two Synopsys DWMAC 5.10/5.20 IPs.
The basic driver supports only RGMII interface.
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-14-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add basic description for DWMAC ethernet IP on NXP S32G2xx, S32G3xx
and S32R45 automotive series SoCs.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-13-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Utilize a new helper function rgmii_clock().
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-12-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Utilize a new helper function rgmii_clock().
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-11-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Utilize a new helper function rgmii_clock().
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-10-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Utilize a new helper function rgmii_clock().
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-9-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Utilize a new helper function rgmii_clock().
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-8-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Utilize a new helper function rgmii_clock().
When in, remove dead code in kmb_eth_fix_mac_speed().
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-7-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Utilize a new helper function rgmii_clock().
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-6-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Utilize a new helper function rgmii_clock().
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-5-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The RGMII interface supports three data rates: 10/100 Mbps
and 1 Gbps. These speeds correspond to clock frequencies
of 2.5/25 MHz and 125 MHz, respectively.
Many Ethernet drivers, including glues in stmmac, follow
a similar pattern of converting RGMII speed to clock frequency.
To simplify code, define the helper rgmii_clock(speed)
to convert connection speed to clock frequency.
Suggested-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-4-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The clock API clk_get_rate() returns unsigned long value.
Expand affected members of stmmac platform data and
convert the stmmac_clk_csr_set() and dwmac4_core_init() methods
to defining the unsigned long clk_rate local variables.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-3-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add support for CSR clock range up to 800 MHz.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-2-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The comment in declaration of STMMAC_CSR_250_300M
incorrectly describes the constant as '/* MDC = clk_scr_i/122 */'
but the DWC Ether QOS Handbook version 5.20a says it is
CSR clock/124.
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-1-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This field is set but never used.
GWCA is rswitch CPU interface module which connects rswitch to the
host over AXI bus. Speed of the switch ports is not anyhow related to
GWCA operation.
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/20241206192140.1714-2-nikita.yoush@cogentembedded.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In rswitch_ether_port_init_all(), only enabled ports are initialized.
Then, rswitch_ether_port_deinit_all() shall also only deinitialize
enabled ports.
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/20241206192140.1714-1-nikita.yoush@cogentembedded.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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These APIs are needed to support applications that use netlink to get VF
information from a PF driver.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Link: https://patch.msgid.link/20241206064135.2331790-1-srasheed@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Petr Machata says:
====================
vxlan: Support user-defined reserved bits
Currently the VXLAN header validation works by vxlan_rcv() going feature
by feature, each feature clearing the bits that it consumes. If anything
is left unparsed at the end, the packet is rejected.
Unfortunately there are machines out there that send VXLAN packets with
reserved bits set, even if they are configured to not use the
corresponding features. One such report is here[1], and we have heard
similar complaints from our customers as well.
This patchset adds an attribute that makes it configurable which bits
the user wishes to tolerate and which they consider reserved. This was
recommended in [1] as well.
A knob like that inevitably allows users to set as reserved bits that
are in fact required for the features enabled by the netdevice, such as
GPE. This is detected, and such configurations are rejected.
In patches #1..#7, the reserved bits validation code is gradually moved
away from the unparsed approach described above, to one where a given
set of valid bits is precomputed and then the packet is validated
against that.
In patch #8, this precomputed set is made configurable through a new
attribute IFLA_VXLAN_RESERVED_BITS.
Patches #9 and #10 massage the testsuite a bit, so that patch #11 can
introduce a selftest for the resreved bits feature.
The corresponding iproute2 support is available in [2].
[1] https://lore.kernel.org/netdev/db8b9e19-ad75-44d3-bfb2-46590d426ff5@proxmox.com/
[2] https://github.com/pmachata/iproute2/commits/vxlan_reserved_bits/
====================
Link: https://patch.msgid.link/cover.1733412063.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Run VXLAN packets through a gateway. Flip individual bits of the packet
and/or reserved bits of the gateway, and check that the gateway treats the
packets as expected.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/388bef3c30ebc887d4e64cd86a362e2df2f2d2e1.1733412063.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add ip_link_set_addr(), ip_link_set_up(), ip_addr_add() and ip_route_add()
to the suite of helpers that automatically schedule a corresponding
cleanup.
When setting a new MAC, one needs to remember the old address first. Move
mac_get() from forwarding/ to that end.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/add6bcbe30828fd01363266df20c338cf13aaf25.1733412063.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Let's have a verb in that function name to make it clearer what's going on.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/fbf7c53a429b340b9cff5831280ea8c305a224f9.1733412063.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The set of bits that the VXLAN netdevice currently considers reserved is
defined by the features enabled at the netdevice construction. In order to
make this configurable, add an attribute, IFLA_VXLAN_RESERVED_BITS. The
payload is a pair of big-endian u32's covering the VXLAN header. This is
validated against the set of flags used by the various enabled VXLAN
features, and attempts to override bits used by an enabled feature are
bounced.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/c657275e5ceed301e62c69fe8e559e32909442e2.1733412063.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The code currently validates the VXLAN header in two ways: first by
comparing it with the set of reserved bits, constructed ahead of time
during the netdevice construction; and second by gradually clearing the
bits off a separate copy of VXLAN header, "unparsed". Drop the latter
validation method.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/4559f16c5664c189b3a4ee6f5da91f552ad4821c.1733412063.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The VXLAN driver so far has not increased the error counters for packets
that set reserved bits. It does so for other packet errors, so do it for
this case as well.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/d096084167d56706d620afe5136cf37a2d34d1b9.1733412063.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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