linux-2.6-microblaze.git
3 years agonet/hamradio/6pack: Fix inconsistent indenting
Jiapeng Chong [Tue, 25 May 2021 10:55:45 +0000 (18:55 +0800)]
net/hamradio/6pack: Fix inconsistent indenting

Eliminate the follow smatch warning:

drivers/net/hamradio/6pack.c:728 sixpack_ioctl() warn: inconsistent
indenting.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: switch to dim algorithm for adaptive interrupt moderation
Huazhong Tan [Tue, 25 May 2021 09:22:03 +0000 (17:22 +0800)]
net: hns3: switch to dim algorithm for adaptive interrupt moderation

The Linux kernel has support for a dynamic interrupt moderation
algorithm known as "dimlib". Replace the custom driver-specific
implementation of dynamic interrupt moderation with the kernel's
algorithm.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: bridge: remove redundant assignment
Nigel Christian [Tue, 25 May 2021 04:05:58 +0000 (23:05 -0500)]
net: bridge: remove redundant assignment

The variable br is assigned a value that is not being read after
exiting case IFLA_STATS_LINK_XSTATS_SLAVE. The assignment is
redundant and can be removed.

Addresses-Coverity ("Unused value")
Signed-off-by: Nigel Christian <nigel.l.christian@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'wan-cleanups'
David S. Miller [Mon, 24 May 2021 21:07:39 +0000 (14:07 -0700)]
Merge branch 'wan-cleanups'

Guangbin Huang says:

====================
net: wan: clean up some code style issues

This patchset clean up some code style issues.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: add braces {} to all arms of the statement
Peng Li [Mon, 24 May 2021 14:47:17 +0000 (22:47 +0800)]
net: wan: add braces {} to all arms of the statement

Braces {} should be used on all arms of this statement.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: fix the comments style issue
Peng Li [Mon, 24 May 2021 14:47:16 +0000 (22:47 +0800)]
net: wan: fix the comments style issue

Block comments use * on subsequent lines.
Block comments use a trailing */ on a separate line.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: replace comparison to NULL with "!card"
Peng Li [Mon, 24 May 2021 14:47:15 +0000 (22:47 +0800)]
net: wan: replace comparison to NULL with "!card"

According to the chackpatch.pl, comparison to NULL could
be written "!card".

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: move out assignment in if condition
Peng Li [Mon, 24 May 2021 14:47:14 +0000 (22:47 +0800)]
net: wan: move out assignment in if condition

Should not use assignment in if condition.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: add some required spaces
Peng Li [Mon, 24 May 2021 14:47:13 +0000 (22:47 +0800)]
net: wan: add some required spaces

Add space required after that close brace '}'.
Add space required before the open parenthesis '('.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: fix the code style issue about trailing statements
Peng Li [Mon, 24 May 2021 14:47:12 +0000 (22:47 +0800)]
net: wan: fix the code style issue about trailing statements

Trailing statements should be on next line.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: code indent use tabs where possible
Peng Li [Mon, 24 May 2021 14:47:11 +0000 (22:47 +0800)]
net: wan: code indent use tabs where possible

Code indent should use tabs where possible.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: add blank line after declarations
Peng Li [Mon, 24 May 2021 14:47:10 +0000 (22:47 +0800)]
net: wan: add blank line after declarations

This patch fixes the checkpatch error about missing a blank line
after declarations.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: fix an code style issue about "foo* bar"
Peng Li [Mon, 24 May 2021 14:47:09 +0000 (22:47 +0800)]
net: wan: fix an code style issue about "foo* bar"

Fix the checkpatch error as "foo* bar" and should be "foo *bar",
and "(foo*)" should be "(foo *)".

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: remove redundant blank lines
Peng Li [Mon, 24 May 2021 14:47:08 +0000 (22:47 +0800)]
net: wan: remove redundant blank lines

This patch removes some redundant blank lines.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'sja1105-sja1110-prep'
David S. Miller [Mon, 24 May 2021 20:59:04 +0000 (13:59 -0700)]
Merge branch 'sja1105-sja1110-prep'

Vladimir Oltean says:

====================
SJA1105 DSA driver preparation for new switch introduction (SJA1110)

This series contains refactoring patches which are necessary before the
support for the new NXP SJA1110 switch can be introduced in this driver.

As far as this series is concerned, here is the list of major changes
introduced with the SJA1110:
- 11 ports vs 5
- port 0 goes to the internal microcontroller, so it is unused as far as
  DSA is concerned
- the Clock Generation Unit does not need any configuration for
  setting up the PLLs for MII/RMII/RGMII
- the L2 Policing Table contains multicast policers too, not just
  broadcast and per-traffic class. These must be minimally initialized.
- more frame buffers
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: allow the frame buffer size to be customized
Vladimir Oltean [Mon, 24 May 2021 13:14:21 +0000 (16:14 +0300)]
net: dsa: sja1105: allow the frame buffer size to be customized

The shared frame buffer of the SJA1110 is larger than that of SJA1105,
which is natural due to the fact that there are more ports.

Introduce yet another property in struct sja1105_info which encodes the
maximum number of 128 byte blocks that can be used for frame buffers.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: configure the multicast policers, if present
Vladimir Oltean [Mon, 24 May 2021 13:14:20 +0000 (16:14 +0300)]
net: dsa: sja1105: configure the multicast policers, if present

The SJA1110 policer array is similar in layout with SJA1105, except it
contains one multicast policer per port at the end.

Detect the presence of multicast policers based on the maximum number of
supported L2 Policing Table entries, and make those policers have a
shared index equal to the port's default policer. Letting the user
configure these policers is not supported at the moment.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: use sja1105_xfer_u32 for the reset procedure
Vladimir Oltean [Mon, 24 May 2021 13:14:19 +0000 (16:14 +0300)]
net: dsa: sja1105: use sja1105_xfer_u32 for the reset procedure

Using sja1105_xfer_buf results in a higher overhead and is harder to
read.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: dynamically choose the number of static config table entries
Vladimir Oltean [Mon, 24 May 2021 13:14:18 +0000 (16:14 +0300)]
net: dsa: sja1105: dynamically choose the number of static config table entries

Due to the fact that the port count is different, some static config
tables have a different number of elements in SJA1105 compared to
SJA1110. Such an example is the L2 Policing table, which has 45 entries
in SJA1105 (one per port x traffic class, and one broadcast policer per
port) and 110 entries in SJA1110 (one per port x traffic class, one
broadcast and one multicast policer per port).

Similarly, the MAC Configuration Table, the L2 Forwarding table, all
have a different number of elements simply because the port count is
different, and although this can be accounted for by looking at
ds->ports, the policing table can't because of the presence of the extra
multicast policers.

The common denominator for the static config initializers for these
tables is that they must set up all the entries within that table.
So the simplest way to account for these differences in a uniform manner
is to look at struct sja1105_table_ops::max_entry_count. For the sake of
uniformity, this patch makes that change also for tables whose number of
elements did not change in SJA1110, like the xMII Mode Parameters, the
L2 Lookup Parameters, General Parameters, AVB Parameters (all of these
are singleton tables with a single entry).

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: skip CGU configuration if it's unnecessary
Vladimir Oltean [Mon, 24 May 2021 13:14:17 +0000 (16:14 +0300)]
net: dsa: sja1105: skip CGU configuration if it's unnecessary

There are two distinct code paths which enter sja1105_clocking.c, one
through sja1105_clocking_setup() and the other through
sja1105_clocking_setup_port():

sja1105_static_config_reload      sja1105_setup
              |                         |
              |      +------------------+
              |      |
              v      v
   sja1105_clocking_setup               sja1105_adjust_port_config
                 |                                   |
                 v                                   |
      sja1105_clocking_setup_port <------------------+

As opposed to SJA1105, the SJA1110 does not need any configuration of
the Clock Generation Unit in order for xMII ports to work. Just RGMII
internal delays need to be configured, and that is done inside
sja1105_clocking_setup_port for the RGMII ports.

So this patch introduces the concept of a "reserved address", which the
CGU configuration functions from sja1105_clocking.c must check before
proceeding to do anything. The SJA1110 will have reserved addresses for
the CGU PLLs for MII/RMII/RGMII.

Additionally, make sja1105_clocking_setup() a function pointer so it can
be overridden by the SJA1110. Even though nothing port-related needs to
be done in the CGU, there are some operations such as disabling the
watchdog clock which are unique to the SJA1110.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: don't assign the host port using dsa_upstream_port()
Vladimir Oltean [Mon, 24 May 2021 13:14:16 +0000 (16:14 +0300)]
net: dsa: sja1105: don't assign the host port using dsa_upstream_port()

If @port is unused, then dsa_upstream_port(ds, port) returns @port,
which means we cannot assume the CPU port can be retrieved this way.

The sja1105 switches support a single CPU port, so just iterate over the
switch ports and stop at the first CPU port we see.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: dimension the data structures for a larger port count
Vladimir Oltean [Mon, 24 May 2021 13:14:15 +0000 (16:14 +0300)]
net: dsa: sja1105: dimension the data structures for a larger port count

Introduce a SJA1105_MAX_NUM_PORTS macro which at the moment is equal to
SJA1105_NUM_PORTS (5). With the introduction of SJA1110, these
structures will need to hold information for up to 11 ports.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: avoid some work for unused ports
Vladimir Oltean [Mon, 24 May 2021 13:14:14 +0000 (16:14 +0300)]
net: dsa: sja1105: avoid some work for unused ports

Do not put unused ports in the forwarding domain, and do not allocate
FDB entries for dynamic address learning for them.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: parameterize the number of ports
Vladimir Oltean [Mon, 24 May 2021 13:14:13 +0000 (16:14 +0300)]
net: dsa: sja1105: parameterize the number of ports

The sja1105 driver will gain support for the next-gen SJA1110 switch,
which is very similar except for the fact it has more than 5 ports.

So we need to replace the hardcoded SJA1105_NUM_PORTS in this driver
with ds->num_ports. This patch is as mechanical as possible (save for
the fact that ds->num_ports is not an integer constant expression).

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'hns3-promisc-updates'
David S. Miller [Mon, 24 May 2021 20:24:09 +0000 (13:24 -0700)]
Merge branch 'hns3-promisc-updates'

Huazhong Tan says:

====================
net: hns3: add two promisc mode updates

This series includes two updates related to promisc mode for the HNS3
ethernet driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: use HCLGE_VPORT_STATE_PROMISC_CHANGE to replace HCLGE_STATE_PROMISC_CHANGED
Jian Shen [Mon, 24 May 2021 09:30:43 +0000 (17:30 +0800)]
net: hns3: use HCLGE_VPORT_STATE_PROMISC_CHANGE to replace HCLGE_STATE_PROMISC_CHANGED

Currently, PF is using HCLGE_STATE_PROMISC_CHANGED to indicate
need synchronize the promisc mode for itself, and using flag
HCLGE_VPORT_STATE_PROMISC_CHANGE for its VF. To keep consistent,
remove flag HCLGE_STATE_PROMISC_CHANGED, and use flag
HCLGE_VPORT_STATE_PROMISC_CHANGE instead.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: configure promisc mode for VF asynchronously
Jian Shen [Mon, 24 May 2021 09:30:42 +0000 (17:30 +0800)]
net: hns3: configure promisc mode for VF asynchronously

Currently, when host set VF untrusted, the driver will disable
the promisc mode of VF. It may be conflicted when the VF requests
the host to set promisc mode. So refactor it by changing promisc
mode for VF asynchronously. With this change, the promisc mode of
VF can be restored when the VF being trusted again.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonfc: st-nci: remove unnecessary assignment and label
wengjianfeng [Mon, 24 May 2021 02:11:23 +0000 (10:11 +0800)]
nfc: st-nci: remove unnecessary assignment and label

In function st_nci_hci_network_init, the variable r is assigned then
goto exit label, which just return r, so we use return to replace it.
and exit label only used once at here, so we remove exit label.

Signed-off-by: wengjianfeng <wengjianfeng@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoethernet: ucc_geth: Use kmemdup() rather than kmalloc+memcpy
YueHaibing [Mon, 24 May 2021 01:07:01 +0000 (09:07 +0800)]
ethernet: ucc_geth: Use kmemdup() rather than kmalloc+memcpy

Issue identified with Coccinelle.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: r6040: Allow restarting auto-negotiation
Florian Fainelli [Sun, 23 May 2021 15:58:42 +0000 (08:58 -0700)]
net: r6040: Allow restarting auto-negotiation

Use phy_ethtool_nway_reset() since the driver makes use of the PHY
library.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'r6040-cleanups'
David S. Miller [Mon, 24 May 2021 00:20:53 +0000 (17:20 -0700)]
Merge branch 'r6040-cleanups'

Florian Fainelli says:

====================
net: r6040: Non-functional changes

These two patches clean up the r6040 driver a little bit in preparation
for adding additional features such as dumping MAC counters and properly
dealing with DMA-API mapping.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: r6040: Use ETH_FCS_LEN
Florian Fainelli [Sun, 23 May 2021 15:54:11 +0000 (08:54 -0700)]
net: r6040: Use ETH_FCS_LEN

Instead of the open coded constant 4.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: r6040: Use logical or for MDIO operations
Florian Fainelli [Sun, 23 May 2021 15:54:10 +0000 (08:54 -0700)]
net: r6040: Use logical or for MDIO operations

This is not a functional change, but we should be using a logical or to
assign the bits we will be writing to the MDIO read and write registers.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoehea: Use DEVICE_ATTR_*() macro
YueHaibing [Sun, 23 May 2021 06:02:23 +0000 (14:02 +0800)]
ehea: Use DEVICE_ATTR_*() macro

Use DEVICE_ATTR_*() helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agosfc: falcon: use DEVICE_ATTR_*() macro
YueHaibing [Sun, 23 May 2021 03:24:09 +0000 (11:24 +0800)]
sfc: falcon: use DEVICE_ATTR_*() macro

Use DEVICE_ATTR_*() helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agosfc: use DEVICE_ATTR_*() macro
YueHaibing [Sun, 23 May 2021 03:20:30 +0000 (11:20 +0800)]
sfc: use DEVICE_ATTR_*() macro

Use DEVICE_ATTR_*() helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ftgmac100: add missing error return code in ftgmac100_probe()
Yang Yingliang [Sat, 22 May 2021 12:02:46 +0000 (20:02 +0800)]
net: ftgmac100: add missing error return code in ftgmac100_probe()

The variables will be free on path err_phy_connect, it should
return error code, or it will cause double free when calling
ftgmac100_remove().

Fixes: bd466c3fb5a4 ("net/faraday: Support NCSI mode")
Fixes: 39bfab8844a0 ("net: ftgmac100: Add support for DT phy-handle property")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agodpaa2-eth: don't print error from dpaa2_mac_connect if that's EPROBE_DEFER
Vladimir Oltean [Fri, 21 May 2021 14:12:20 +0000 (17:12 +0300)]
dpaa2-eth: don't print error from dpaa2_mac_connect if that's EPROBE_DEFER

When booting a board with DPAA2 interfaces defined statically via DPL
(as opposed to creating them dynamically using restool), the driver will
print an unspecific error message.

This change adds the error code to the message, and avoids printing
altogether if the error code is EPROBE_DEFER, because that is not a
cause of alarm.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'dpaa2-eth-of_node'
David S. Miller [Fri, 21 May 2021 21:05:04 +0000 (14:05 -0700)]
Merge branch 'dpaa2-eth-of_node'

Ioana Ciornei says:

====================
dpaa2-eth: setup the of_node

This patch set allows DSA to work with a DPAA2 master device by setting
up the of_node to point to the corresponding MAC DTS node, so that
of_find_net_device_by_node() can find it.
As an added benefit, udev rules can now be used to create a naming
scheme based on the physical MAC.

The second patch renames the debugfs directory to use the DPNI name
instead of the netdev name, since the latter can be changed after probe
time.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agodpaa2-eth: name the debugfs directory after the DPNI object
Ioana Ciornei [Fri, 21 May 2021 13:25:30 +0000 (16:25 +0300)]
dpaa2-eth: name the debugfs directory after the DPNI object

Name the debugfs directory after the DPNI object instead of the netdev
name since this can be changed after probe by udev rules.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agodpaa2-eth: setup the of_node field of the device
Ioana Ciornei [Fri, 21 May 2021 13:25:29 +0000 (16:25 +0300)]
dpaa2-eth: setup the of_node field of the device

When the DPNI object is connected to a DPMAC, setup the of_node to point
to the DTS device node of that specific MAC. This enables other drivers,
for example the DSA subsystem, to find the net_device by its device
node.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'sja1105-stats'
David S. Miller [Fri, 21 May 2021 21:01:41 +0000 (14:01 -0700)]
Merge branch 'sja1105-stats'

Vladimir Oltean says:

====================
Ethtool statistics counters cleanup for SJA1105 DSA driver

This series removes some reported data from ethtool -S which were not
counters at all, and reorganizes the code such that counters can be read
individually and not just all at once.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: don't use burst SPI reads for port statistics
Vladimir Oltean [Fri, 21 May 2021 13:16:08 +0000 (16:16 +0300)]
net: dsa: sja1105: don't use burst SPI reads for port statistics

The current internal sja1105 driver API is optimized for retrieving many
statistics counters at once. But the switch does not do atomic snapshotting
for them anyway.

In case we start reporting the hardware port counters through
ndo_get_stats64 as well, not just ethtool, it would be good to be able
to read individual port counters and not all of them.

Additionally, since Arnd Bergmann's commit ae1804de93f6 ("dsa: sja1105:
dynamically allocate stats structure"), sja1105_get_ethtool_stats
allocates memory dynamically, since struct sja1105_port_status was
deemed to consume too much stack memory. That is not ideal.
The large structure is only needed because of the burst read.
If we read statistics one by one, we can consume less memory, and
we can avoid dynamic allocation.

Additionally, latency-sensitive interfaces such as PTP operations (for
phc2sys) might suffer if the SPI mutex is being held for too long, which
happens in the case of SPI burst reads. By reading counters one by one,
we give a chance for higher priority processes to preempt and take the
SPI bus mutex for accessing the PTP clock.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: stop reporting the queue levels in ethtool port counters
Vladimir Oltean [Fri, 21 May 2021 13:16:07 +0000 (16:16 +0300)]
net: dsa: sja1105: stop reporting the queue levels in ethtool port counters

The queue levels are not counters, but instead they represent the
occupancy of the MAC TX queues. Having these in ethtool port counters is
not helpful, so remove them.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: Fix return of uninitialized variable ret
Colin Ian King [Fri, 21 May 2021 10:01:46 +0000 (11:01 +0100)]
net: hns3: Fix return of uninitialized variable ret

In the unlikely event that rule_cnt is zero the variable ret is
not assigned a value and function hclge_dbg_dump_fd_tcam can end
up returning an unitialized value in ret. Fix this by explicitly
setting ret to zero before the for-loop.

Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: b5a0b70d77b9 ("net: hns3: refactor dump fd tcam of debugfs")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoatm: Fix typo
zuoqilin [Fri, 21 May 2021 09:45:22 +0000 (17:45 +0800)]
atm: Fix typo

Change 'contol' to 'control'.

Signed-off-by: zuoqilin <zuoqilin@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: phy: Fix inconsistent indenting
Jiapeng Chong [Fri, 21 May 2021 09:40:14 +0000 (17:40 +0800)]
net: phy: Fix inconsistent indenting

Eliminate the follow smatch warning:

drivers/net/phy/phy_device.c:2886 phy_probe() warn: inconsistent
indenting.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agosfc: farch: fix compile warning in efx_farch_dimension_resources()
Yang Yingliang [Fri, 21 May 2021 03:57:21 +0000 (11:57 +0800)]
sfc: farch: fix compile warning in efx_farch_dimension_resources()

Fix the following kernel build warning when CONFIG_SFC_SRIOV is disabled:

  drivers/net/ethernet/sfc/farch.c: In function â€˜efx_farch_dimension_resources’:
  drivers/net/ethernet/sfc/farch.c:1671:21: warning: variable â€˜buftbl_min’ set but not used [-Wunused-but-set-variable]
    unsigned vi_count, buftbl_min, total_tx_channels;

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: bonding: bond_alb: Fix some typos in bond_alb.c
Wang Hai [Fri, 21 May 2021 03:31:35 +0000 (11:31 +0800)]
net: bonding: bond_alb: Fix some typos in bond_alb.c

s/becase/because/
s/reqeusts/requests/
s/funcions/functions/
s/addreses/addresses/

Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agocaif_virtio: Fix some typos in caif_virtio.c
Wang Hai [Fri, 21 May 2021 03:24:55 +0000 (11:24 +0800)]
caif_virtio: Fix some typos in caif_virtio.c

s/patckets/packets/
s/avilable/available/
s/tbe/the/

Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'wan-cleanups'
David S. Miller [Fri, 21 May 2021 20:26:41 +0000 (13:26 -0700)]
Merge branch 'wan-cleanups'

Guangbin Huang says:

====================
net: wan: clean up some code style issues

This patchset clean up some code style issues.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: add necessary () to macro argument
Peng Li [Fri, 21 May 2021 01:08:17 +0000 (09:08 +0800)]
net: wan: add necessary () to macro argument

Macro argument 'card' and 'port' may be better as
'(card)' and '(port)' to avoid precedence issues.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: add braces {} to all arms of the statement
Peng Li [Fri, 21 May 2021 01:08:16 +0000 (09:08 +0800)]
net: wan: add braces {} to all arms of the statement

Braces {} should be used on all arms of this statement.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: remove redundant blank lines
Peng Li [Fri, 21 May 2021 01:08:15 +0000 (09:08 +0800)]
net: wan: remove redundant blank lines

This patch removes some redundant blank lines.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: fix the code style issue about trailing statements
Peng Li [Fri, 21 May 2021 01:08:14 +0000 (09:08 +0800)]
net: wan: fix the code style issue about trailing statements

Trailing statements should be on next line.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: add some required spaces
Peng Li [Fri, 21 May 2021 01:08:13 +0000 (09:08 +0800)]
net: wan: add some required spaces

Add space required after that close brace '}'.
Add space required before the open parenthesis '('.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: fix an code style issue about "foo* bar"
Peng Li [Fri, 21 May 2021 01:08:12 +0000 (09:08 +0800)]
net: wan: fix an code style issue about "foo* bar"

Fix the checkpatch error as "foo* bar" should be "foo *bar".

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'sja1105-spi'
David S. Miller [Fri, 21 May 2021 20:23:29 +0000 (13:23 -0700)]
Merge branch 'sja1105-spi'

Vladimir Oltean says:

====================
Adapt the sja1105 DSA driver to the SPI controller's transfer limits

This series changes the SPI transfer procedure in sja1105 to take into
consideration the buffer size limitations that the SPI controller driver
might have.

Changes in v2:
Remove the driver's use of cs_change and send multiple, smaller SPI
messages instead of a single large one.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: adapt to a SPI controller with a limited max transfer size
Vladimir Oltean [Thu, 20 May 2021 21:16:57 +0000 (00:16 +0300)]
net: dsa: sja1105: adapt to a SPI controller with a limited max transfer size

The static config of the sja1105 switch is a long stream of bytes which
is programmed to the hardware in chunks (portions with the chip select
continuously asserted) of max 256 bytes each. Each chunk is a
spi_message composed of 2 spi_transfers: the buffer with the data and a
preceding buffer with the SPI access header.

Only that certain SPI controllers, such as the spi-sc18is602 I2C-to-SPI
bridge, cannot keep the chip select asserted for that long.
The spi_max_transfer_size() and spi_max_message_size() functions are how
the controller can impose its hardware limitations upon the SPI
peripheral driver.

For the sja1105 driver to work with these controllers, both buffers must
be smaller than the transfer limit, and their sum must be smaller than
the message limit.

Regression-tested on a switch connected to a controller with no
limitations (spi-fsl-dspi) as well as with one with caps for both
max_transfer_size and max_message_size (spi-sc18is602).

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: sja1105: send multiple spi_messages instead of using cs_change
Vladimir Oltean [Thu, 20 May 2021 21:16:56 +0000 (00:16 +0300)]
net: dsa: sja1105: send multiple spi_messages instead of using cs_change

The sja1105 driver has been described by Mark Brown as "not using the
[ SPI ] API at all idiomatically" due to the use of cs_change:
https://patchwork.kernel.org/project/netdevbpf/patch/20210520135031.2969183-1-olteanv@gmail.com/

According to include/linux/spi/spi.h, the chip select is supposed to be
asserted for the entire length of a SPI message, as long as cs_change is
false for all member transfers. The cs_change flag changes the following:

(i) When a non-final SPI transfer has cs_change = true, the chip select
    should temporarily deassert and then reassert starting with the next
    transfer.
(ii) When a final SPI transfer has cs_change = true, the chip select
     should remain asserted until the following SPI message.

The sja1105 driver only uses cs_change for its first property, to form a
single SPI message whose layout can be seen below:

                                             this is an entire, single spi_message
           _______________________________________________________________________________________________
          /                                                                                               \
          +-------------+---------------+-------------+---------------+ ... +-------------+---------------+
          | hdr_xfer[0] | chunk_xfer[0] | hdr_xfer[1] | chunk_xfer[1] |     | hdr_xfer[n] | chunk_xfer[n] |
          +-------------+---------------+-------------+---------------+ ... +-------------+---------------+
cs_change      false          true           false           true                false          false

           ____________________________  _____________________________       _____________________________
CS line __/                            \/                             \ ... /                             \__

The fact of the matter is that spi_max_message_size() has an ambiguous
meaning if any non-final transfer has cs_change = true.

If the SPI master has a limitation in that it cannot keep the chip
select asserted for more than, say, 200 bytes (like the spi-sc18is602),
the normal thing for it to do is to implement .max_transfer_size and
.max_message_size, and limit both to 200: in the "worst case" where
cs_change is always false, then the controller can, indeed, not send
messages larger than 200 bytes.

But the fact that the SPI controller's max_message_size does not
necessarily mean that we cannot send messages larger than that.
Notably, if the SPI master special-cases the transfers with cs_change
and treats every chip select toggling as an entirely new transaction,
then a SPI message can easily exceed that limit. So there is a
temptation to ignore the controller's reported max_message_size when
using cs_change = true in non-final transfers.

But that can lead to false conclusions. As Mark points out, the SPI
controller might have a different kind of limitation with the max
message size, that has nothing at all to do with how long it can keep
the chip select asserted.
For example, that might be the case if the device is able to offload the
chip select changes to the hardware as part of the data stream, and it
packs the entire stream of commands+data (corresponding to a SPI
message) into a single DMA transfer that is itself limited in size.

So the only thing we can do is avoid ambiguity by not using cs_change at
all. Instead of sending a single spi_message, we now send multiple SPI
messages as follows:

                  spi_message 0                 spi_message 1                       spi_message n
           ____________________________   ___________________________        _____________________________
          /                            \ /                           \      /                             \
          +-------------+---------------+-------------+---------------+ ... +-------------+---------------+
          | hdr_xfer[0] | chunk_xfer[0] | hdr_xfer[1] | chunk_xfer[1] |     | hdr_xfer[n] | chunk_xfer[n] |
          +-------------+---------------+-------------+---------------+ ... +-------------+---------------+
cs_change      false          true           false           true                false          false

           ____________________________  _____________________________       _____________________________
CS line __/                            \/                             \ ... /                             \__

which is clearer because the max_message_size limit is now easier to
enforce. What is transmitted on the wire stays, of course, the same.

Additionally, because we send no more than 2 transfers at a time, we now
avoid dynamic memory allocation too, which might be seen as an
improvement by some.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: phy: add driver for Motorcomm yt8511 phy
Peter Geis [Thu, 20 May 2021 16:32:30 +0000 (12:32 -0400)]
net: phy: add driver for Motorcomm yt8511 phy

Add a driver for the Motorcomm yt8511 phy that will be used in the
production Pine64 rk3566-quartz64 development board.
It supports gigabit transfer speeds, rgmii, and 125mhz clk output.

Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: xilinx_emaclite: Do not print real IOMEM pointer
YueHaibing [Wed, 19 May 2021 02:47:04 +0000 (10:47 +0800)]
net: xilinx_emaclite: Do not print real IOMEM pointer

Printing kernel pointers is discouraged because they might leak kernel
memory layout.  This fixes smatch warning:

drivers/net/ethernet/xilinx/xilinx_emaclite.c:1191 xemaclite_of_probe() warn:
 argument 4 to %08lX specifier is cast from pointer

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: cdc_ncm: use DEVICE_ATTR_RW macro
YueHaibing [Thu, 20 May 2021 13:46:19 +0000 (21:46 +0800)]
net: cdc_ncm: use DEVICE_ATTR_RW macro

Use DEVICE_ATTR_RW helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: usb: hso: use DEVICE_ATTR_RO macro
YueHaibing [Thu, 20 May 2021 13:41:16 +0000 (21:41 +0800)]
net: usb: hso: use DEVICE_ATTR_RO macro

Use DEVICE_ATTR_RO helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: atm: use DEVICE_ATTR_RO macro
YueHaibing [Thu, 20 May 2021 13:36:45 +0000 (21:36 +0800)]
net: atm: use DEVICE_ATTR_RO macro

Use DEVICE_ATTR_RO helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoselftests: net: devlink_port_split.py: skip the test if no devlink device
Po-Hsu Lin [Thu, 20 May 2021 10:49:54 +0000 (18:49 +0800)]
selftests: net: devlink_port_split.py: skip the test if no devlink device

When there is no devlink device, the following command will return:
  $ devlink -j dev show
  {dev:{}}

This will cause IndexError when trying to access the first element
in dev of this json dataset. Use the kselftest framework skip code
to skip this test in this case.

Example output with this change:
  # selftests: net: devlink_port_split.py
  # no devlink device was found, test skipped
  ok 7 selftests: net: devlink_port_split.py # SKIP

Link: https://bugs.launchpad.net/bugs/1928889
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoibmvnic: remove default label from to_string switch
Michal Suchanek [Thu, 20 May 2021 06:50:34 +0000 (08:50 +0200)]
ibmvnic: remove default label from to_string switch

This way the compiler warns when a new value is added to the enum but
not to the string translation like:

drivers/net/ethernet/ibm/ibmvnic.c: In function 'adapter_state_to_string':
drivers/net/ethernet/ibm/ibmvnic.c:832:2: warning: enumeration value 'VNIC_FOOBAR' not handled in switch [-Wswitch]
  switch (state) {
  ^~~~~~
drivers/net/ethernet/ibm/ibmvnic.c: In function 'reset_reason_to_string':
drivers/net/ethernet/ibm/ibmvnic.c:1935:2: warning: enumeration value 'VNIC_RESET_FOOBAR' not handled in switch [-Wswitch]
  switch (reason) {
  ^~~~~~

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Acked-by: Lijun Pan <lijunp213@gmail.com>
Link: https://lore.kernel.org/netdev/CAOhMmr701LecfuNM+EozqbiTxFvDiXjFdY2aYeKJYaXq9kqVDg@mail.gmail.com/
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoNFC: st21nfca: remove unnecessary variable and labels
wengjianfeng [Thu, 20 May 2021 01:05:50 +0000 (09:05 +0800)]
NFC: st21nfca: remove unnecessary variable and labels

assign vlue (EIO/EPROTO) to variable r, and goto exit label,
but just return r follow exit label, so we delete exit label,
and just replace with return sentence.

Signed-off-by: wengjianfeng <wengjianfeng@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'bond-cleanups'
David S. Miller [Thu, 20 May 2021 22:43:25 +0000 (15:43 -0700)]
Merge branch 'bond-cleanups'

Guangbin Huang says:

====================
net: bonding: clean up some code style issues

This patchset cleans up some code style issues.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: bonding: use tabs instead of space for code indent
Yufeng Mo [Thu, 20 May 2021 06:18:35 +0000 (14:18 +0800)]
net: bonding: use tabs instead of space for code indent

Code indent should use tabs where possible, so
use tabs instead of space for code indent.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: bonding: remove unnecessary braces
Yufeng Mo [Thu, 20 May 2021 06:18:34 +0000 (14:18 +0800)]
net: bonding: remove unnecessary braces

Braces {} are not necessary for single statement blocks,
so remove these braces {}.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: bonding: fix code indent for conditional statements
Yufeng Mo [Thu, 20 May 2021 06:18:33 +0000 (14:18 +0800)]
net: bonding: fix code indent for conditional statements

Fix incorrect code indent for conditional statements.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: bonding: add some required blank lines
Yufeng Mo [Thu, 20 May 2021 06:18:32 +0000 (14:18 +0800)]
net: bonding: add some required blank lines

Add some blank lines after declarations as required.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
David S. Miller [Thu, 20 May 2021 22:13:28 +0000 (15:13 -0700)]
Merge branch '1GbE' of git://git./linux/kernel/git/tnguy/next-queue

Tony Nguyen says:

====================
1GbE Intel Wired LAN Driver Updates 2021-05-20

This series contains updates to igc driver only.

Andre Guedes says:

This series adds AF_XDP zero-copy feature to igc driver.

The initial patches do some code refactoring, preparing the code base to
land the AF_XDP zero-copy feature, avoiding code duplications. The last
patches of the series are the ones implementing the feature.

The last patch which indeed implements AF_XDP zero-copy support was
originally way too lengthy so, for the sake of code review, I broke it
up into two patches: one adding support for the RX functionality and the
other one adding TX support.
---
v2:
Patch 8/9 - "igc: Enable RX via AF_XDP zero-copy"
 * In XDP_PASS flow, copy metadata too into the skb.
 * When HW timestamp is added by the NIC, after copying it into
   a local variable, update xdp_buff->data_meta so that
   metadata length when XDP program is called 0.
 * In igc_xdp_enable_pool(), call xsk_pool_dma_unmap() on
   failure.

Known issues:
 When an XDP application is running in Tx-Only mode with Zero-Copy
 enabled, it is not expected to add the frames to the fill-queue. I have
 noticed the following two issues in this scenario:
 - If XDP_USE_NEED_WAKEUP flag is not set by application, igc_poll()
   will go into infinite loop because the buffer allocation resulting
   in igc_clean_rx_irq_zc() indicating that all work is not done and NAPI
   should keep polling. This does not occur if XDP_USE_NEED_WAKEUP
   flag is set.
 - Since there are no buffers allocated by userspace for the fill
   queue, there is no memory allocated for the NIC to copy the data
   to. If the packet received is destined to the hardware queue where
   XDP application is running, no packets are received even on other
   queues.
 Both these issues can be mitigated by adding a few frames to the
 fill queue. The second issue can also be mitigated by making sure no
 packets are being received on the hardware queue where Rx is running.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'net-leading-spaces'
David S. Miller [Thu, 20 May 2021 22:10:57 +0000 (15:10 -0700)]
Merge branch 'net-leading-spaces'

Hui Tang says:

====================
net: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running the
following commard:

        $ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomii: remove leading spaces before tabs
Hui Tang [Thu, 20 May 2021 03:47:54 +0000 (11:47 +0800)]
mii: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running
the following commard:

    $ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'

Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoifb: remove leading spaces before tabs
Hui Tang [Thu, 20 May 2021 03:47:53 +0000 (11:47 +0800)]
ifb: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running
the following commard:

    $ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'

Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: appletalk: remove leading spaces before tabs
Hui Tang [Thu, 20 May 2021 03:47:52 +0000 (11:47 +0800)]
net: appletalk: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running
the following commard:

    $ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'

Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: fddi: skfp: remove leading spaces before tabs
Hui Tang [Thu, 20 May 2021 03:47:51 +0000 (11:47 +0800)]
net: fddi: skfp: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running
the following commard:

    $ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'

Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hamradio: remove leading spaces before tabs
Hui Tang [Thu, 20 May 2021 03:47:50 +0000 (11:47 +0800)]
net: hamradio: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running
the following commard:

    $ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'

Cc: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ppp: remove leading spaces before tabs
Hui Tang [Thu, 20 May 2021 03:47:49 +0000 (11:47 +0800)]
net: ppp: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running
the following commard:

    $ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'

Cc: Tom Parkin <tparkin@katalix.com>
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: slip: remove leading spaces before tabs
Hui Tang [Thu, 20 May 2021 03:47:48 +0000 (11:47 +0800)]
net: slip: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running
the following commard:

    $ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'

Cc: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: usb: remove leading spaces before tabs
Hui Tang [Thu, 20 May 2021 03:47:47 +0000 (11:47 +0800)]
net: usb: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running
the following commard:

    $ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'

Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: wan: remove leading spaces before tabs
Hui Tang [Thu, 20 May 2021 03:47:46 +0000 (11:47 +0800)]
net: wan: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running
the following commard:

$ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'

Cc: Xie He <xie.he.0141@gmail.com>
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'hns3-debugfs'
David S. Miller [Thu, 20 May 2021 22:01:04 +0000 (15:01 -0700)]
Merge branch 'hns3-debugfs'

Huazhong Tan says:

====================
net: hns3: refactor some debugfs commands

This series refactors the debugfs command to the new
process and removes the useless debugfs file node cmd
for the HNS3 ethernet driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: remove the useless debugfs file node cmd
Yufeng Mo [Thu, 20 May 2021 02:21:44 +0000 (10:21 +0800)]
net: hns3: remove the useless debugfs file node cmd

Currently, all debugfs commands have been reconstructed, and the
debugfs file node cmd is useless. So remove this debugfs file node.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump serv info of debugfs
Yufeng Mo [Thu, 20 May 2021 02:21:43 +0000 (10:21 +0800)]
net: hns3: refactor dump serv info of debugfs

Currently, the debugfs command for serv info is implemented by
"echo xxxx > cmd", and record the inforamtion in dmesg. It's
unnecessary and heavy. To improve it, create a single file
"serv_info" for it, and query it by command "cat serv_info",
return the result to userspace, rather than record in dmesg.

The display style is below:
$ cat service_task_info
local_clock: [  114.203321]
delta: 784(ms)
last_service_task_processed: 4294918512(jiffies)
last_service_task_cnt: 4

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump mac tnl status of debugfs
Jiaran Zhang [Thu, 20 May 2021 02:21:42 +0000 (10:21 +0800)]
net: hns3: refactor dump mac tnl status of debugfs

Currently, the debugfs command for dump mac tnl status is
implemented by "echo xxxx > cmd", and record the information
in dmesg. It's unnecessary and heavy. To improve it, create
a single file "mac_tnl_status" for it, and query it by command
"cat mac_tnl_status", return the result to userspace, rather
than record in dmesg.

The display style is below:
$ cat mac_tnl_status
Recently generated mac tnl interruption:
[0111204.175437] status = 0x30
[0154120.329912] status = 0x30

Signed-off-by: Jiaran Zhang <zhangjiaran@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump qs shaper of debugfs
Guangbin Huang [Thu, 20 May 2021 02:21:41 +0000 (10:21 +0800)]
net: hns3: refactor dump qs shaper of debugfs

Currently, user gets qset shaper parameters by implementing debugfs
command "echo dump qs shaper > cmd", this command will dump info in
dmesg. It's unnecessary and heavy.

As there is "tm_qset" file in tm directory for dump qset info, to
optimize these command, merge qset shaper parameters to tm_qset
file and use cat command to get them.

The display style is below:
$ cat tm_qset
ID    MAP_PRI  LINK_VLD  MODE  DWRR  IR_B  IR_U  IR_S  BS_B  BS_S  FLAG
0000     0        1      dwrr  100   150     7     0     5    20     0
0001     0        0        sp    0   150     7     0     5    20     0

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump qos buf cfg of debugfs
Guangbin Huang [Thu, 20 May 2021 02:21:40 +0000 (10:21 +0800)]
net: hns3: refactor dump qos buf cfg of debugfs

Currently, user gets qos buffer config by implementing debugfs command
"echo dump qos buf cfg > cmd", this command will dump info in dmesg.
It's unnecessary and heavy.

To optimize it, create a single file "qos_buf_cfg" in tm directory
and use cat command to get info. It will return info to userspace,
rather than record in dmesg.

The display style is below:
$ cat qos_buf_cfg
tx_packet_buf_tc_0: 0x120
tx_packet_buf_tc_1: 0x120
tx_packet_buf_tc_2: 0x120
tx_packet_buf_tc_3: 0x120
tx_packet_buf_tc_4: 0x0
tx_packet_buf_tc_5: 0x0
tx_packet_buf_tc_6: 0x0
tx_packet_buf_tc_7: 0x0
......

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump qos pri map of debugfs
Guangbin Huang [Thu, 20 May 2021 02:21:39 +0000 (10:21 +0800)]
net: hns3: refactor dump qos pri map of debugfs

Currently, user gets priority map by implementing debugfs command
"echo dump qos pri map > cmd", this command will dump info in dmesg.
It's unnecessary and heavy.

To optimize it, create a single file "qos_pri_map" in tm directory
and use cat command to get info. It will return info to userspace,
rather than record in dmesg.

The display style is below:
$ cat qos_pri_map
vlan_to_pri: 0
PRI    TC
0       0
1       1
2       2
3       3
4       0
5       1
6       2

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump qos pause cfg of debugfs
Guangbin Huang [Thu, 20 May 2021 02:21:38 +0000 (10:21 +0800)]
net: hns3: refactor dump qos pause cfg of debugfs

Currently, user gets pause config by implementing debugfs command
"echo dump qos pause cfg > cmd", this command will dump info in dmesg.
It's unnecessary and heavy.

To optimize it, create a single file "qos_pause_cfg" in tm directory
and use cat command to get info. It will return info to userspace,
rather than record in dmesg.

The display style is below:
$ cat qos_pause_cfg
pause_trans_gap: 0x7f
pause_trans_time: 0xffff

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump tc of debugfs
Guangbin Huang [Thu, 20 May 2021 02:21:37 +0000 (10:21 +0800)]
net: hns3: refactor dump tc of debugfs

Currently, user gets tc schedule info by implementing debugfs command
"echo dump tc > cmd", this command will dump info in dmesg. It's
unnecessary and heavy.

To optimize it, create a single file "tc_sch_info" and use cat command
to get info. It will return info to userspace, rather than record in
dmesg.

The display style is below:
$ cat tc_sch_info
enabled tc number: 4
weight_offset: 14
TC    MODE  WEIGHT
0     dwrr     25
1     dwrr     25
2     dwrr     25
3     dwrr     25
4     dwrr      0
5     dwrr      0
6     dwrr      0
7     dwrr      0

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump tm of debugfs
Guangbin Huang [Thu, 20 May 2021 02:21:36 +0000 (10:21 +0800)]
net: hns3: refactor dump tm of debugfs

Currently, user gets some tm info by implementing debugfs command
"echo dump tm > cmd", this command will dump info in dmesg. It's
unnecessary and heavy.

In addition, the info of this command mixes info of qset, priority,
pg and port. Qset and priority have their own command to get info of
themself, so can remove info of qset and priority from this command.

To optimize it, create two new files "tm_pg", "tm_port" in tm directory
and use cat command to separately get info of pg and port.

The display style is below:
$ cat tm_pg
ID  PRI_MAP  MODE DWRR  C_IR_B  C_IR_U  C_IR_S  C_BS_B  C_BS_S ...
00   0x1f    dwrr  1       75       9       0      31      20  ...

$ cat tm_port
IR_B  IR_U  IR_S  BS_B  BS_S  FLAG  RATE(Mbps)
75     9     0    31    20    1     200000

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump tm map of debugfs
Guangbin Huang [Thu, 20 May 2021 02:21:35 +0000 (10:21 +0800)]
net: hns3: refactor dump tm map of debugfs

Currently, the debugfs command for tm map is implemented by
"echo xxxx > cmd", and record the information in dmesg. It's
unnecessary and heavy. To improve it, create a single file
"tm_map" for it, and query it by command "cat tm_map",
return the result to userspace, rather than record in dmesg.

As user can't specify queue id in cat command, driver will return info
of all queue id.

The display style is below:
$ cat tm_map
queue_id   qset_id   pri_id   tc_id
0000         0000      00       00
INDEX | TM BP QSET MAPPING:
0000  | 00000000:00000000:00000000:00000000:00000000:00000000:00000000
0256  | 00000000:00000000:00000000:00000000:00000000:00000002:00000000
0512  | 00000000:00000000:00000000:00000004:00000000:00000000:00000000
0768  | 00000000:00000008:00000000:00000000:00000000:00000000:00000000

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump fd tcam of debugfs
Hao Chen [Thu, 20 May 2021 02:21:34 +0000 (10:21 +0800)]
net: hns3: refactor dump fd tcam of debugfs

Currently, the debugfs command for fd tcam is implemented by
"echo xxxx > cmd", and record the information in dmesg. It's
unnecessary and heavy. To improve it, create a single file
"fd_tcam" for it, and query it by command "cat fd_tcam",
return the result to userspace, rather than record in dmesg.

The display style is below:
$ cat fd_tcam
read result tcam key x(31):
00000000
00000000
00000000
08000000
00000600
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
read result tcam key y(31):
00000000
00000000
00000000
f7ff0000
0000f900
00000000
00000000
00000000
00000000
00000000
00000000
00000000
0000fff8

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor queue info of debugfs
Hao Chen [Thu, 20 May 2021 02:21:33 +0000 (10:21 +0800)]
net: hns3: refactor queue info of debugfs

Currently, the debugfs command for queue info is implemented by
"echo xxxx > cmd", and record the information in dmesg. It's
unnecessary and heavy. To improve it, create two files
"rx_queue_info" and "tx_queue_info" for it, and query it
by command "cat rx_queue_info" and "cat tx_queue_info",
return the result to userspace, rather than record in dmesg.

The display style is below:
$ cat rx_queue_info
QUEUE_ID  BD_NUM  BD_LEN  TAIL  HEAD  FBDNUM  PKTNUM   ...
0           0       0     0     0       0       0      ...
1           0       0     0     0       0       0      ...
2           0       0     0     0       0       0      ...

$ cat tx_queue_info
QUEUE_ID  BD_NUM  TC  TAIL  HEAD  FBDNUM  OFFSET  PKTNUM  ...
0           0     0     0     0       0       0        0  ...
1           0     0     0     0       0       0        0  ...
2           0     0     0     0       0       0        0  ...

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor queue map of debugfs
Hao Chen [Thu, 20 May 2021 02:21:32 +0000 (10:21 +0800)]
net: hns3: refactor queue map of debugfs

Currently, the debugfs command for queue map is implemented by
"echo xxxx > cmd", and record the information in dmesg. It's
unnecessary and heavy. To improve it, create a single file
"queue_map" for it, and query it by command "cat queue_map",
return the result to userspace, rather than record in dmesg.

The display style is below:
$ cat queue_map
local_queue_id   global_queue_id   vector_id
0                0                 341

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump reg dcb info of debugfs
Yufeng Mo [Thu, 20 May 2021 02:21:31 +0000 (10:21 +0800)]
net: hns3: refactor dump reg dcb info of debugfs

Currently, the debugfs command for reg dcb info is implemented by
"echo xxxx > cmd", and record the information in dmesg. It's
unnecessary and heavy. To improve it, create a single file
"dcb" for it, and query it by command "cat dcb",
return the result to userspace, rather than record in dmesg.

The display style is below:
$ cat dcb
qset_id  roce_qset_mask  nic_qset_mask  qset_shaping_pass  qset_bp_status
0000           0x1            0x1             0x1               0x0
0001           0x1            0x1             0x1               0x0
0002           0x1            0x1             0x1               0x0
0003           0x1            0x1             0x1               0x0
0004           0x1            0x1             0x1               0x0
0005           0x1            0x1             0x1               0x0
0006           0x1            0x1             0x1               0x0
0007           0x1            0x1             0x1               0x0
pri_id  pri_mask  pri_cshaping_pass  pri_pshaping_pass
000       0x1           0x0                0x1
001       0x1           0x0                0x0
002       0x1           0x0                0x0
003       0x1           0x0                0x0
004       0x1           0x0                0x0
005       0x1           0x0                0x0
006       0x1           0x0                0x0
007       0x1           0x0                0x0
pg_id  pg_mask  pg_cshaping_pass  pg_pshaping_pass
000      0x1           0x0               0x1

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: refactor dump reg of debugfs
Yufeng Mo [Thu, 20 May 2021 02:21:30 +0000 (10:21 +0800)]
net: hns3: refactor dump reg of debugfs

Currently, the debugfs command for reg is implemented by
"echo xxxx > cmd", and record the information in dmesg. It's
unnecessary and heavy. To improve it, create some files
"bios_common/ssu/igu_egu/rpu/ncsi/rtc/ppp/rcb/tqp/mac" for it,
and query it by command "cat xxx", return the result to
userspace, rather than record in dmesg.

The display style is below:
$ cat bios_common
BP_CPU_STATE: 0x0
DFX_MSIX_INFO_NIC_0: 0xc000
DFX_MSIX_INFO_NIC_1: 0x0
DFX_MSIX_INFO_NIC_2: 0x0
DFX_MSIX_INFO_NIC_3: 0x0
DFX_MSIX_INFO_ROC_0: 0xc000
DFX_MSIX_INFO_ROC_1: 0x0
DFX_MSIX_INFO_ROC_2: 0x0
DFX_MSIX_INFO_ROC_3: 0x0

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>