Saeed Mahameed says:

====================
mlx5-updates-2021-04-19

This patchset provides some updates to mlx5e and mlx5 SW steering drivers:

1) Tariq and Vladyslav they both provide some trivial update to mlx5e netdev.

The next 12 patches in the patchset are focused toward mlx5 SW steering:
2) 3 trivial cleanup patches

3) Dynamic Flex parser support:
   Flex parser is a HW parser that can support protocols that are not
    natively supported by the HCA, such as Geneve (TLV options) and GTP-U.
    There are 8 such parsers, and each of them can be assigned to parse a
    specific set of protocols.

4) Enable matching on Geneve TLV options

5) Use Flex parser for MPLS over UDP/GRE

6) Enable matching on tunnel GTP-U and GTP-U first extension
   header using

7) Improved QoS for SW steering internal QPair for a better insertion rate
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

ALWAYS_GUARD_BAND_SCH_Q bit in TAS config register is descripted as
this:
	0: Guard band is implemented for nonschedule queues to schedule
	   queues transition.
	1: Guard band is implemented for any queue to schedule queue
	   transition.

The driver set guard band be implemented for any queue to schedule queue
transition before, which will make each GCL time slot reserve a guard
band time that can pass the max SDU frame. Because guard band time could
not be set in tc-taprio now, it will use about 12000ns to pass 1500B max
SDU. This limits each GCL time interval to be more than 12000ns.

This patch change the guard band to be only implemented for nonschedule
queues to schedule queues transition, so that there is no need to reserve
guard band on each GCL. Users can manually add guard band time for each
schedule queues in their configuration if they want.
Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Oleksij Rempel says:

====================
provide generic net selftest support

changes v3:
- make more granular tests
- enable loopback for all PHYs by default
- fix allmodconfig build errors
- poll for link status update after switching to the loopback mode

changes v2:
- make generic selftests available for all networking devices.
- make use of net_selftest* on FEC, ag71xx and all DSA switches.
- add loopback support on more PHYs.

This patch set provides diagnostic capabilities for some iMX, ag71xx or
any DSA based devices. For proper functionality, PHY loopback support is
needed.
So far there is only initial infrastructure with basic tests.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

Most of generic selftest should be able to work with probably all ethernet
controllers. The DSA switches are not exception, so enable it by default at
least for DSA.

This patch was tested with SJA1105 and AR9331.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

With this patch the ag71xx on Atheros AR9331 will able to run generic net
selftests.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

With this patch FEC on iMX will able to run generic net selftests
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

Port some parts of the stmmac selftest and reuse it as basic generic selftest
library. This patch was tested with following combinations:
- iMX6DL FEC -> AT8035
- iMX6DL FEC -> SJA1105Q switch -> KSZ8081
- iMX6DL FEC -> SJA1105Q switch -> KSZ9031
- AR9331 ag71xx -> AR9331 PHY
- AR9331 ag71xx -> AR9331 switch -> AR9331 PHY
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

In case of loopback, in most cases we need to disable autoneg support
and force some speed configuration. Otherwise, depending on currently
active auto negotiated link speed, the loopback may or may not work.

This patch was tested with following PHYs: TJA1102, KSZ8081, KSZ9031,
AT8035, AR9331.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

The generic loopback is really generic and is defined by the 802.3
standard, we should just mandate that drivers implement a custom
loopback if the generic one cannot work.
Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

When using SW steering, rule insertion rate depends on the RDMA RC QP
performance used for writing to the ICM. During stress this QP is competing
on the HW resources with all the other QPs that are used to send data.
To protect SW steering QP's performance in such cases, we set this QP to
use isolated VL. The VL number is reserved by FW and is not exposed to the
driver.
Support for this QP on isolated VL exists only when both force-loopback and
isolate_vl_tc capabilities are set.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

When supported by the device, SW steering RoCE RC QP that is used to
write/read to/from ICM will be created with force-loopback attribute.
Such QP doesn't require GID index upon creation.
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Enable matching on tunnel GTP-U and GTP-U first extension
header using dynamic flex parser.
Signed-off-by: Muhammad Sammar <muhammads@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Query the flex_parser id that's intended for TNL_MPLS
and use an appropriate flex parser for MPLS over UDP/GRE.
Signed-off-by: Muhammad Sammar <muhammads@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Enable matching on tunnel geneve TLV option using the flex parser.
Signed-off-by: Muhammad Sammar <muhammads@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Set the flex parser ID dynamicly for ICMP instead of relying
on hardcoded values.
Signed-off-by: Muhammad Sammar <muhammads@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Flex parser is a HW parser that can support protocols that are not
natively supported by the HCA, such as Geneve (TLV options) and GTP-U.
There are 8 such parsers, and each of them can be assigned to parse a
specific set of protocols.
This patch adds misc4 match params which allows using a correct flex parser
that was programmed to the required protocol.
Signed-off-by: Muhammad Sammar <muhammads@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Remove MPLS specific fields from flex parser 3 layout.
Flex parser can be used for multiple protocols and should
not be hardcoded to a specific type.
Signed-off-by: Muhammad Sammar <muhammads@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Added the required definitions for supporting more protocols by flex parsers
(GTP-U, Geneve TLV options), and for using the right flex parser that was
configured for this protocol.
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Add error code to the error messages and removed duplicated message:
if termination table creation failed, we already get an error message
in mlx5_eswitch_termtbl_create, so no need for the additional error print
in the calling function.
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

QP doorbell size is 16 bits.
Fixing sw steering's QP doorbel bitmask, which had 20 bits.
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Rename the argument to better reflect that the meaning is
not number of records, but wheather or not we should
ring the dorbell.
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Striding RQ attributes below are mutually dependent. An unaware
change to one might take the others out of the valid range derived
by the HW caps:
- The MPWQE size in bytes
- The number of strides in a MPWQE
- The stride size

Add checks to verify they are valid and comply to the HW spec
and SW assumptions/requirements.
This is not a fix, no particular issue exists today.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

If mlx5e_devlink_port_register() fails, driver may try to register
devlink health TX and RX reporters on non-registered devlink port.

Instead, create health reporters only if mlx5e_devlink_port_register()
does not fail. And destroy reporters only if devlink_port is registered.

Also, change mlx5e_get_devlink_port() behavior and return NULL in case
port is not registered to replicate devlink's wrapper when ndo is not
implemented.
Signed-off-by: Vladyslav Tarasiuk <vladyslavt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

The changes done in commit [1] were missed by the code movements
done in [2], as they were developed in ~parallel.
Here we re-apply them.

[1] commit e4484d9d ("net/mlx5e: Enable striding RQ for Connect-X IPsec capable devices")
[2] commit b3a131c2 ("net/mlx5e: Move params logic into its dedicated file")

Fixes: b3a131c2 ("net/mlx5e: Move params logic into its dedicated file")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

ETHTOOL_MSG_MODULE_EEPROM_GET is missing from the list of messages.
ETHTOOL_MSG_MODULE_EEPROM_GET_REPLY is sadly a rather long name
so we need to adjust column length.

v2: use spaces (Andrew)

Fixes: c781ff12 ("ethtool: Allow network drivers to dump arbitrary EEPROM data")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Ido suggests we add a comment about the init of stats to -1.
This is unlikely to be clear to first time readers.
Suggested-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Michael suggest a few more stats we can expose.

$ ethtool -S eth0 --groups eth-mac
Standard stats for eth0:
eth-mac-FramesTransmittedOK: 902623288966
eth-mac-FramesReceivedOK: 28727667047
eth-mac-FrameCheckSequenceErrors: 1
eth-mac-AlignmentErrors: 0
eth-mac-OutOfRangeLengthField: 0
$ ethtool -S eth0 | grep '\(fcs\|align\|oor\)'
     rx_fcs_err_frames: 1
     rx_align_err_frames: 0
     tx_fcs_err_frames: 0
Suggested-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Radu Pirea says:

====================
TJA1103 driver

This small series adds the TJA1103 PHY driver.

Changes in v3:
 - use phy_read_mmd_poll_timeout instead of spin_until_cond
 - changed the phy name from a generic one to something specific
 - minor indentation change

Changes in v2:
 - implemented genphy_c45_pma_suspend/genphy_c45_pma_suspend
 - set default internal delays set to 2ns(90 degrees)
 - added "VEND1_" prefix to the register definitions
 - disable rxid in case of txid
 - disable txid in case of rxid
 - disable internal delays in rgmii mode
 - reduced max line length to 80 characters
 - rebased on top of net-next/master
 - use genphy_c45_loopback as .set_loopback callback
 - renamed the driver from nxp-c45 to nxp-c45-tja11xx
 - used phy phy_set_bits_mmd/phy_clear_bits_mmd instead on phy_write_mmd where
 I had to set/clear one bit.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

Add driver for tja1103 driver and for future NXP C45 PHYs.
Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Add generic PMA suspend and resume callback functions for C45 PHYs.
Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

Add PCI match for AC3X 98DX3265 device which is supported by the current
driver and firmware.
Signed-off-by: Vadym Kochan <vkochan@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

On driver probe, kmemleak reported the following memory leak which was
due to allocated bitmap that was not being freed in stmmac_dvr_probe().

unreferenced object 0xffff9276014b13c0 (size 8):
  comm "systemd-udevd", pid 2143, jiffies 4294681112 (age 116.720s)
  hex dump (first 8 bytes):
    00 00 00 00 00 00 00 00                          ........
  backtrace:
    [<00000000c51e34b2>] stmmac_dvr_probe+0x1c0/0x440 [stmmac]
    [<00000000b530eb41>] intel_eth_pci_probe.cold+0x2b/0x14e [dwmac_intel]
    [<00000000b10f8929>] pci_device_probe+0xd2/0x150
    [<00000000fb254c74>] really_probe+0xf8/0x410
    [<0000000034128a59>] driver_probe_device+0x5d/0x150
    [<00000000016104d5>] device_driver_attach+0x53/0x60
    [<00000000cb18cd07>] __driver_attach+0x96/0x140
    [<00000000da9ffd5c>] bus_for_each_dev+0x7a/0xc0
    [<00000000af061a88>] bus_add_driver+0x184/0x1f0
    [<000000008be5c1c5>] driver_register+0x6c/0xc0
    [<0000000052b18a9e>] do_one_initcall+0x4d/0x210
    [<00000000154d4f07>] do_init_module+0x5c/0x230
    [<000000009b648d09>] load_module+0x2a5a/0x2d40
    [<000000000d86b76d>] __do_sys_finit_module+0xb5/0x120
    [<000000002b0cef95>] do_syscall_64+0x33/0x40
    [<0000000067b45bbb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: bba2556e ("net: stmmac: Enable RX via AF_XDP zero-copy")
Cc: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Wong Vee Khee <vee.khee.wong@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Thomas Bogendoerfer says:

====================
net: Korina improvements

While converting Mikrotik RB532 support to use device tree I stumbled
over the korina ethernet driver, which used way too many MIPS specific
hacks. This series cleans this all up and adds support for device tree.

Changes in v6:
 - remove korina from resource names and adapt DT binding to it
 - removed superfluous braces around of_get_mac_address

Changes in v5:
  - fixed email address in binding document, which prevented sending it

Changes in v4:
  - improve error returns in mdio_read further
  - added clock name and improved clk handling
  - fixed binding errors

Changes in v3:
  - use readl_poll_timeout_atomic in mdio_wait
  - return -ETIMEDOUT, if mdio_wait failed
  - added DT binding and changed name to idt,3243x-emac
  - fixed usage of of_get_mac_address for net-next

Changes in v2:
  - added device tree support to get rid of idt_cpu_freq
  - fixed compile test on 64bit archs
  - fixed descriptor current address handling by storing/using mapped
    dma addresses (dma controller modifies current address)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

Add device tree bindings for ethernet controller integrated into
IDT 79RC3243x SoCs.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

Move structs/defines for ethernet/dma register into driver, since they
are only used for this driver and remove any MIPS specific includes.
This makes it possible to COMPILE_TEST the driver.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

With device tree clock is provided via CCF. For non device tree
use a maximum clock value to not overclock the PHY. The non device
tree usage will go away after platform is converted to DT.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

If there is no mac address passed via platform data try to get it via
device tree and fall back to a random mac address, if all fail.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

Get rid of access to struct korina_device by just passing the mac
address via platform data and use drvdata for passing netdev to remove
function.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

Instead of messing with MIPS specific macros use DMA API for mapping
descriptors and skbs.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

Remove helpers, which are only used in one call site.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David S. Miller <davem@davemloft.net>